CN115256306B

CN115256306B - A press-fitting device for a belt-driven power device and a method of using the same

Info

Publication number: CN115256306B
Application number: CN202211078701.8A
Authority: CN
Inventors: 张广彪
Original assignee: Suzhou Alton Electrical and Mechanical Industry Co Ltd
Current assignee: Suzhou Alton Electrical and Mechanical Industry Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2024-11-15
Anticipated expiration: 2042-07-07
Also published as: CN114871726B; CN114871726A; CN115256306A

Abstract

The application provides press mounting equipment of a belt transmission power device and a using method thereof, wherein the press mounting equipment has high press-connection working efficiency and avoids the installation damage of a belt, and the press mounting equipment comprises a bottom base, an upper movable plate, a first belt pulley placing seat, a second belt pulley placing seat, a first pressing mechanism and a second pressing mechanism, wherein the horizontal distance between a first belt pulley placed on the first belt pulley placing seat and a second belt pulley placed on the second belt pulley placing seat is gradually increased in the process that the second belt pulley placing seat moves from a first position to a second position; when the second belt pulley placing seat is at a second position relative to the first belt pulley placing seat, the first downward pressing mechanism and the second downward pressing mechanism synchronously move downwards to be correspondingly matched with the first belt pulley placing seat and the second belt pulley placing seat along with the downward movement of the upper movable plate.

Description

Press mounting equipment of belt transmission power device and using method thereof

[ Field of technology ]

The patent application relates to a press-fitting device of a belt transmission power device and a using method thereof.

[ Background Art ]

The prior press mounting equipment comprises a bottom base, an upper movable plate capable of moving up and down, a placing seat arranged on the bottom base, and a pressing mechanism arranged on the upper movable plate and correspondingly positioned above the placing seat, wherein the bottom base is positioned below the upper movable plate and is opposite to the upper movable plate at an upper-lower interval, and the pressing mechanism synchronously moves downwards towards the placing seat along with the downward movement of the upper movable plate so as to press together an article (such as a belt pulley and a motor rotating shaft) to be press-mounted with the placing seat; the existing belt transmission power device comprises a motor, a small belt pulley, a large belt pulley, a belt, a large belt pulley wheel shaft corresponding to the large belt pulley and a frame, wherein the small belt pulley is fixedly connected with a rotating shaft of the motor to rotate under the driving of the motor, the belt is in transmission connection between the small belt pulley and the large belt pulley so that the large belt pulley rotates under the driving of the small belt pulley, the large belt pulley wheel shaft is fixedly arranged on an inner ring of the large belt pulley and a wheel shaft bearing to be connected with the large belt pulley and the wheel shaft bearing, and some air compressors can use the belt transmission power device as a part of a pump of an air compressor. Usually, when assembling the belt transmission power device, a motor and an axle bearing are mounted on a frame, a large pulley axle and a large pulley are mounted together, then a small pulley is pressed and connected to a rotating shaft of the motor by using corresponding press-fit equipment, and the large pulley axle and the axle bearing are pressed and connected together by using other press-fit equipment (because different processed objects are different, the corresponding press-fit equipment is often different, the used press-fit equipment is more complicated and low in efficiency), and then the belt is sleeved on the small pulley and the large pulley (usually by means of a belt auxiliary mounting tool, because the operation is too laborious by bare hands), and because the relative positions of the small pulley and the large pulley are basically fixed, the belt can be mounted on the small pulley and the large pulley only by bending and folding after the belt is pulled by using large force, so that the difficulty is great and the damage to the belt is easily caused.

[ Invention ]

The technical problem that this patent application solved lies in the installation damage that raises the efficiency and avoids the belt.

The press-fitting equipment of the belt transmission power device comprises a bottom base and an upper movable plate capable of moving up and down, wherein the upper movable plate is positioned above the bottom base and is opposite to the bottom base in an up-down interval manner, the belt transmission power device comprises a motor, a first belt pulley, a second belt pulley and a belt, the first belt pulley, the second belt pulley and the belt can be fixed together with a rotating shaft of the motor to rotate under the driving of the motor, the belt is in transmission connection between the first belt pulley and the second belt pulley so that the second belt pulley can rotate under the driving of the first belt pulley, the press-fitting equipment of the belt transmission power device further comprises a first belt pulley placing seat capable of placing the first belt pulley, a second belt pulley placing seat capable of placing the second belt pulley, a first pressing mechanism corresponding to the first belt pulley placing seat and a second pressing mechanism corresponding to the second belt pulley placing seat, the first belt pulley placing seat and the first pressing mechanism and the second pressing mechanism are arranged on the bottom base, and the first pressing mechanism and the second pressing mechanism can move up and down synchronously; the second pulley placing seat is provided with a first position relative to the first pulley placing seat and a second position relative to the first pulley placing seat, the second pulley placing seat can transversely move between the first position and the second position relative to the first pulley placing seat, and the horizontal distance between the second pulley placing seat and the first pulley placing seat is smaller than the horizontal distance between the second pulley placing seat and the first pulley placing seat when the second pulley placing seat is at the first position; in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased.

Because the horizontal distance between the first belt pulley placing seat and the second belt pulley placing seat can be adjusted, when the horizontal distance is relatively smaller, namely the second belt pulley placing seat is arranged at the first position, the belt is relatively easy to sleeve on the first belt pulley and the second belt pulley, the first belt pulley and the second belt pulley form loose fit with the belt to a certain extent, the second belt pulley placing seat is moved from the first position to the second position relative to the first belt pulley placing seat, and the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat is gradually increased to tension the belt, so that the tensioning of the belt is easily completed after the belt is loose fit with the first belt pulley and the second belt pulley, the whole installation process of the belt does not need to forcibly twist the turnover belt, and the installation damage of the belt is avoided; because the first pressing mechanism and the second pressing mechanism can synchronously move up and down along with the upper movable plate, the first pressing mechanism and the second pressing mechanism can synchronously press down to carry out crimping work, and the crimping work efficiency is improved.

For this equipment, after the second belt pulley is placed the seat and has been moved to the second position and tensioning belt for first belt pulley and has been placed the seat, can follow-up crimping work by the efficient follow-up that carries out, utilize locating the first mechanism of pushing down of fly leaf and second mechanism of pushing down and follow the synchronous downwardly moving of fly leaf promptly, thereby can place the seat with first belt pulley, the seat is placed to the second belt pulley and the cooperation carries out crimping work corresponding to, but the installation and the later crimping work of belt closely link up and first mechanism and second mechanism of pushing down can be synchronous down and take off and place seat, second belt pulley of below and place the seat and correspond the cooperation and carry out crimping work, synchronous pushing down efficient. To sum up, based on the pressure equipment of this patent application's belt drive power device, can realize improving belt drive power device's packaging efficiency and avoid the installation damage of belt.

Optionally, the belt driving power device further includes a second pulley axle corresponding to the second pulley, and an axle bearing corresponding to the second pulley axle, when the second pulley placing seat is located at a second position relative to the first pulley placing seat, the first pressing mechanism and the second pressing mechanism synchronously move downwards along with the downward movement of the upper movable plate, and the first pressing mechanism moves downwards towards the first pulley placing seat to press the first pulley together with the rotating shaft of the motor, and the second pressing mechanism moves downwards towards the second pulley placing seat to press the axle bearing together with the second pulley axle with the second pulley placing seat.

Optionally, the first pushing mechanism is provided with a first top core and a top core installation seat corresponding to the first top core, the first top core is installed and fixed on the top core installation seat, the first top core is used for pushing downwards against the rotating shaft of the motor, the top core installation seat is fixed on the upper movable plate, the top core installation seat is provided with a containing hole, the first top core is installed in the containing hole, and the inner wall of the containing hole is provided with internal threads so as to be in threaded connection with external threads on the first top core; the upper end of the rotating shaft of the motor can be embedded into the part of the accommodating hole, which is positioned below the first top core, and is propped up by the first top core.

Optionally, the press-mounting device of the belt transmission power device is further provided with a pressure-bearing cover plate located at the upper side of the upper movable plate, the upper movable plate is provided with a first mounting through hole corresponding to the top core mounting seat and a second mounting through hole corresponding to the second pressing mechanism, the top core mounting seat is locked on the upper movable plate and at least partially accommodated in the first mounting through hole, the second pressing mechanism is locked on the upper movable plate and at least partially accommodated in the second mounting through hole, the pressure-bearing cover plate is locked on the upper movable plate, and the first mounting through hole and the second mounting through hole are covered by the pressure-bearing cover plate; the upper movable plate and the top core mounting seat are respectively provided with corresponding lock screw holes so as to lock the top core mounting seat on the upper movable plate through corresponding first screws; the upper movable plate and the second pressing mechanism are respectively provided with corresponding lock screw holes so that the second pressing mechanism can be locked on the upper movable plate through corresponding second screws; the pressure-bearing cover plate is also provided with a first through hole corresponding to the first screw and a second through hole corresponding to the second screw, the first through hole can be used for the first screw to pass through, the second through hole can be used for the second screw to pass through, the first screw does not exceed the first through hole upwards, and the second screw does not exceed the second through hole upwards.

Optionally, the bottom base is equipped with the main base plate, is fixed in the bed hedgehopping platform of main base plate, and the bed hedgehopping platform is located the upside of main base plate, and the seat is placed to the second belt pulley and is set up on the bed hedgehopping platform and is raised by the bed hedgehopping platform, and the seat is placed to the second belt pulley is equipped with first guiding portion, and the bed hedgehopping platform is equipped with the second guiding portion with the cooperation of first guiding portion in order to guide the sideslip of seat is placed to the second belt pulley, and one of first guiding portion and second guiding portion is the spout, and another of first guiding portion and second guiding portion is the guide rail with spout complex.

Optionally, the second pulley mount is horizontally movable relative to the first pulley mount between a first position and a second position; the second guiding part is the spout, first guiding part be with spout complex guide rail, the bed hedgehopping platform is equipped with main part, the installation is fixed in the detachable dog of main part, main part is equipped with the holding tank that link up the relative both sides of bed hedgehopping platform in the direction of movement of second belt pulley placing seat, second belt pulley placing seat part holds in the holding tank, a portion of holding tank is sheltered from by the dog and forms second guiding part, the dog is in the first guiding part of upside backstop of first guiding part, in order to block that the second belt pulley placing seat upwards breaks away from the holding tank.

Optionally, the press mounting device of the belt transmission power device is further provided with a plurality of first guide posts, a plurality of first springs, a plurality of first linear bearings and at least one height limiting post for limiting the height of the upper movable plate moving downwards to a proper position, wherein the lower ends of the height limiting posts are fixed on the bottom base, the first guide posts penetrate through the upper movable plate, the first springs are sleeved on the corresponding first guide posts, and the lower ends of the first springs are supported on the bottom base; the first linear bearing is fixed on the upper movable plate and sleeved on the corresponding first guide post, and the first spring is in a compressed state between the first linear bearing and the upper movable plate so as to provide upward support for the upper movable plate; the height limiting column is provided with a detachable adjusting block positioned at the top end of the height limiting column, and the upper movable plate is pressed down to move down to a proper position and then is abutted against the adjusting block.

Optionally, the second belt pulley placing seat is provided with a base, a plurality of positioning blocks positioned on the upper side of the base and a second top core, the upper surface of the base is used for placing the second belt pulley, the second belt pulley is provided with a plurality of spokes, and the positioning blocks are used for being embedded between the adjacent spokes so as to position the second belt pulley on the second belt pulley placing seat; the positioning block is fixed on the base, the upper surface of the base is concavely provided with a plurality of concave marks corresponding to the positioning block and first pits for placing the second top core, the shape of the concave marks is matched with the lower ends of the corresponding positioning blocks, and the lower ends of the positioning blocks are embedded in the corresponding concave marks; the second top core is used for propping against the second pulley axle, is arranged in the first pit and is fixed on the base.

Optionally, the first pulley placing seat is fixed relative to the bottom base and the second pulley placing seat is movable relative to the bottom base, the press mounting device of the belt transmission power device is further provided with a shifting device capable of driving the second pulley placing seat to move between the first position and the second position, the shifting device is provided with a movable connecting rod, and the shifting device pushes and pulls the second pulley placing seat to transversely move the second pulley placing seat by means of the connecting rod.

Optionally, the press-fitting device of the belt transmission power device is further provided with a movable seat capable of moving up and down, at least one second guide post and at least one second spring for supporting the movable seat, the movable seat and the second belt pulley placing seat are positioned at the left side and the right side of the first belt pulley placing seat, and the second belt pulley placing seat is gradually far away from the movable seat and the first belt pulley placing seat in the process of moving from the first position to the second position; the belt transmission power device further comprises a frame, a motor and a wheel bearing can be arranged on the frame, the lower end of a second guide column is fixed on a bottom base, a second spring is sleeved on the corresponding second guide column and used for supporting the movable seat upwards, the frame can be lapped on the movable seat to generate downward pressing force on the movable seat, the movable seat can move downwards under the pressing force, and the pressing force is at least partially derived from the gravity of the frame; when the frame is separated from the movable seat and the movable seat is not pressed downwards by the frame, the movable seat moves upwards to be reset to an initial height under the supporting action of the second spring.

Optionally, the press mounting device of the belt transmission power device is further provided with a shifting device capable of driving the second belt pulley placing seat to move between the first position and the second position, the shifting device, the second belt pulley placing seat, the first belt pulley placing seat and the movable seat are sequentially distributed in the left-right direction, and the second belt pulley placing seat moves from the first position to the second position under the pulling of the shifting device and gradually moves away from the movable seat and the first belt pulley placing seat.

Optionally, the movable seat is provided with a leaning part, a first side blocking part and a second side blocking part for the frame to lean on, the leaning part, the first side blocking part and the second side blocking part are positioned on one side of the movable seat, which is close to the second belt pulley placing seat, the first side blocking part extends upwards from one end of the leaning part, the second side blocking part extends upwards from the opposite end of the leaning part, the first side blocking part, the leaning part and the second side blocking part are connected into a U-shaped limiting frame, and the corresponding part of the frame can be downwards embedded into the U-shaped limiting frame to lean on the leaning part.

Optionally, the press-fitting device of the belt transmission power device is further provided with a third guide part for guiding the movable seat to move up and down, the movable seat is further provided with a supporting mechanism, a fourth guide part correspondingly matched with the third guide part, a leaning part for the rack to lean against, and a vertical plate part, the leaning part is connected with and protrudes out of the vertical plate part laterally, and the fourth guide part and the supporting mechanism are fixed on the vertical plate part and are positioned on two opposite sides of the vertical plate part with the leaning part; one of the third guide part and the fourth guide part is provided with a chute, and the other of the third guide part and the fourth guide part is a guide rail matched with the chute; the upper end of the second spring upwards pushes against the supporting mechanism to support the movable seat, the supporting mechanism is provided with at least one second linear bearing sleeved on the corresponding second guide post, and the second spring is in a compressed state between the second linear bearing and the bottom base to provide upwards support for the movable seat.

Optionally, the press-fitting device of the belt transmission power device is further provided with a first positioning plate vertically arranged on the bottom base and used for fixing a third guiding part, the lower end of the first positioning plate is fixed on the bottom base, a sliding groove is formed in a fourth guiding part, the third guiding part is a guide rail matched with the sliding groove, the leaning part is positioned at one side, close to the second belt pulley placing seat, of the lower end of the vertical plate part, the supporting mechanism is positioned at one side, far away from the second belt pulley placing seat, of the upper end of the vertical plate part, the fourth guiding part is positioned at the lower side of the supporting mechanism, the number of the second guide posts is two, and the third guiding part and the first positioning plate which are fixed together are centrally arranged between the two second guide posts; the support mechanism is also provided with a support, the second linear bearing is fixed on the support, the support is provided with a yielding through groove, and the third guide part can penetrate through the yielding through groove along the up-down direction and penetrate through the support.

Optionally, the press-fitting device of the belt transmission power device is further provided with at least one stop column, a second positioning plate fixed relative to the bottom base, and a displacement device capable of driving the second belt pulley placing seat to move between a first position and a second position, wherein the stop column is positioned at one side of the second belt pulley placing seat far away from the first belt pulley placing seat, and the second belt pulley placing seat is stopped by the stop column and is positioned at the second position when moving from the first position to the second position; the stop post is fixed on the second positioning plate and is in a suspended state relative to the bottom base, the second belt pulley placing seat can horizontally move between a first position and a second position relative to the first belt pulley placing seat, and the stop post is horizontally provided with a second belt pulley placing seat for stopping the horizontal movement of the stop post; the shifting device is provided with a connecting rod, the shifting device pushes and pulls the second belt pulley placing seat by means of the connecting rod so as to move the second belt pulley placing seat, and the connecting rod penetrates through the second locating plate.

The application also provides a use method of the press-fitting equipment of the belt transmission power device, the press-fitting equipment of the belt transmission power device comprises a bottom base and an upper movable plate capable of moving up and down, the upper movable plate is positioned above the bottom base and is opposite to the bottom base in an up-down interval, the belt transmission power device comprises a motor, a first belt pulley, a second belt pulley, a belt, a frame, a second belt pulley wheel shaft corresponding to the second belt pulley and a wheel axle bearing corresponding to the second belt pulley wheel shaft, the belt is in transmission connection between the first belt pulley and the second belt pulley, so that the second belt pulley can rotate under the drive of the first belt pulley, the motor and the wheel axle bearing can be arranged on the frame, the press-fitting equipment of the belt transmission power device also comprises a first belt pulley placing seat, a second belt pulley placing seat, a first pressing mechanism corresponding to the first belt pulley placing seat, a second pressing mechanism corresponding to the second belt pulley placing seat and a movable seat capable of moving up and down, the second belt pulley placing seat has a first position relative to the first belt pulley placing seat, a second belt pulley placing seat is placed horizontally between the second belt pulley placing seat and the first belt pulley placing seat and the second belt pulley placing seat, and the second belt pulley placing seat is placed horizontally between the first belt pulley placing seat and the second belt pulley seat and the second belt placing seat; in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased; the application method of the press-fitting equipment of the belt transmission power device comprises the following steps of:

Step one, placing a first belt pulley on a first belt pulley placing seat and placing a second belt pulley fixed together with a second belt pulley axle on a second belt pulley placing seat;

Step two, when the second belt pulley placing seat is at a first position relative to the first belt pulley placing seat, the belt is sleeved on the first belt pulley and the second belt pulley, and then the second belt pulley placing seat is moved from the first position to the second position relative to the first belt pulley placing seat, so that the belt sleeved on the first belt pulley and the second belt pulley is tensioned;

Step three, under the state that the frame, the motor and the wheel bearing are installed together, the frame is put on a movable seat, and the movable seat moves downwards along with the frame;

And step four, along with the downward movement of the upper movable plate, the first downward pressing mechanism and the second downward pressing mechanism synchronously move downwards, and the first downward pressing mechanism moves downwards towards the first belt pulley placing seat to be in press connection with the rotating shaft of the motor through the first belt pulley placing seat, and the second downward pressing mechanism moves downwards towards the second belt pulley placing seat to be in press connection with the second belt pulley placing seat through the wheel bearing and the second belt pulley wheel shaft.

Optionally, for step four, in the process that the first pressing mechanism moves downward towards the first pulley placing seat, the first pulley placing seat supports the first pulley and the first pressing mechanism presses the rotating shaft of the motor to gradually press the rotating shaft of the motor into the first pulley, so that the first pulley and the rotating shaft of the motor are in press connection; in the process that the second pushing mechanism moves downwards towards the second belt pulley placing seat, the second belt pulley placing seat supports the second belt pulley axle and the inner ring of the wheel axle bearing is sleeved and fixed on the second belt pulley axle by the second pushing mechanism, so that the wheel axle bearing and the second belt pulley axle are in compression joint.

Optionally, the belt transmission power device further comprises a first belt pulley end cover, the first belt pulley end cover is arranged at the upper end of the first belt pulley, the outer periphery of the first belt pulley end cover is beyond the outer periphery of the upper end of the first belt pulley in the radial direction, and the first belt pulley end cover is provided with a mounting through hole for the rotating shaft of the motor to penetrate; and step three, the movable seat moves downwards under the supporting pressure of the frame until the inner ring of the wheel bearing arranged on the frame is in abutment with the wheel shaft of the second belt pulley and/or the rotating shaft of the motor arranged on the frame is in abutment with the end cover of the first belt pulley arranged at the upper end of the first belt pulley, wherein the supporting pressure is at least partially derived from the gravity of the frame.

Optionally, for the second step, after the belt is sleeved on the first belt pulley and the second belt pulley, the first belt pulley end cover is placed on the first belt pulley, and then the second belt pulley placing seat is moved from the first position to the second position; and step three, in the downward movement process of the movable seat under the supporting pressure of the rack, the rack which is supported on the movable seat is supported to prevent the rack from toppling over until the inner ring of the wheel bearing arranged on the rack is in abutment with the wheel shaft of the second belt pulley and/or the rotating shaft of the motor arranged on the rack is in abutment with the end cover of the first belt pulley arranged at the upper end of the first belt pulley.

[ Description of the drawings ]

FIG. 1 is a perspective view of the press-fitting apparatus of the present application (second pulley mount in a first position);

FIG. 2 is another perspective view of the press-fitting apparatus of the present application (second pulley mount in first position);

FIG. 3 is an exploded view of the press-fitting apparatus of the present patent application;

Fig. 4 is a perspective view of the press-fitting apparatus of the present application with the first pulley, the second pulley, the belt, etc. placed (the second pulley placement seat is in the first position);

FIG. 5 is a perspective view of the press-fitting apparatus of the present application with a belt drive power device (the second pulley mount is in the second position and the upper fly plate has been blocked by the height-limiting post and moved downward into position);

FIG. 6 is a vertical cross-sectional view of the press-fitting apparatus of the present application (second pulley placement seat in a first position);

FIG. 7 is a vertical cross-sectional view of the press-fitting apparatus of the present application with the belt drive power device (the second pulley mount is in the second position and the belt drive power device is shown crimped in place);

Fig. 8 is another vertical sectional view (section perpendicular to the left-right direction) of the press-fitting apparatus of the present patent application;

Fig. 9 is a perspective view of the press-fitting apparatus of the present patent application with parts removed and with the first pulley, the second pulley, etc. placed (the second pulley placement seat is located at the first position).

[ Detailed description ] of the invention

Referring to fig. 1 to 9, a press-fitting apparatus of a belt transmission power device, the belt transmission power device comprises a motor 10, a first belt pulley 11, a second belt pulley 12 and a belt 13, wherein the first belt pulley 11, the second belt pulley 12 and the belt 13 can be fixed together with a rotating shaft 100 of the motor 10 to rotate under the driving of the motor 10, the press-fitting apparatus comprises a bottom base 2, an upper movable plate 30 capable of moving up and down, a first belt pulley placing seat 40 for placing the first belt pulley 11, a second belt pulley placing seat 41 for placing the second belt pulley 12, a first pressing mechanism 50 and a second pressing mechanism 51; the belt 13 is in transmission connection between the first belt pulley 11 and the second belt pulley 12 so that the second belt pulley 12 can rotate under the drive of the first belt pulley 11; the upper movable plate 30 is positioned above the bottom base 2, the upper movable plate 30 is opposite to the bottom base 2 at an upper-lower interval, the first belt pulley placing seat 40 and the second belt pulley placing seat 41 are arranged on the bottom base 2, the first pressing mechanism 50 and the second pressing mechanism 51 are arranged on the upper movable plate 30, and the first pressing mechanism 50 and the second pressing mechanism 51 can synchronously move up and down along with the upper movable plate 30; the first pressing mechanism 50 is correspondingly matched with the first belt pulley placing seat 40, and the second pressing mechanism 51 is correspondingly matched with the second belt pulley placing seat 41; the second pulley placement seat 41 has a first position relative to the first pulley placement seat 40, a second position relative to the first pulley placement seat 40, the second pulley placement seat 41 being laterally movable relative to the first pulley placement seat 40 between the first position and the second position, the horizontal spacing between the second pulley placement seat 41 and the first pulley placement seat 40 being smaller in the first position than the horizontal spacing between the second pulley placement seat 41 and the first pulley placement seat 40 in the second position; during the process that the second pulley placing seat 41 moves from the first position to the second position relative to the first pulley placing seat 40, the horizontal distance between the first pulley 11 placed on the first pulley placing seat 40 and the second pulley 12 placed on the second pulley placing seat 41 is gradually increased, so that the belt 13 sleeved on the first pulley 11 and the second pulley 12 is gradually tensioned; When the second pulley placing seat 41 is at the second position relative to the first pulley placing seat 40, with the downward movement of the upper movable plate 30, the first pressing mechanism 50 and the second pressing mechanism 51 synchronously move downward to be correspondingly matched with the first pulley placing seat 40 and the second pulley placing seat 41 (namely, the first pressing mechanism 50 and the second pressing mechanism 51 synchronously move downward and the first pressing mechanism 50 moves downward to be correspondingly matched with the first pulley placing seat 40 below and the second pressing mechanism 51 moves downward to be correspondingly matched with the second pulley placing seat 41 below) so as to perform corresponding pressing work; The second pulley holder 41 is moved to the second position with respect to the first pulley holder 40, and then the subsequent press-bonding work is performed, so that the belt can be easily fitted over the first pulley 11 and the second pulley 12 with relative ease when the horizontal distance between the first pulley 11 and the second pulley 12 is relatively small, that is, the second pulley holder 41 is in the first position (see fig. 4), and at this time, a certain loose fit is formed between both the first pulley 11 and the second pulley 12 and the belt 13, and the horizontal distance between the second pulley holder 41 and the first pulley holder 40 is increased from the first position to the second position with respect to the first pulley holder 40, To tension the belt 13, thereby easily completing the tensioning of the belt 13 after the belt 13 is loosely fitted on the first pulley 11 and the second pulley 12, without forcibly twisting the folded belt 13 during the whole installation process of the belt 13, avoiding the installation damage of the belt 13, and just after the second pulley placing seat 41 moves to the second position relative to the first pulley placing seat 40 to tension the belt 13, the subsequent pressing work can be performed, the first pressing mechanism 50 fixed on the upper movable plate 30 moves downwards in synchronization with the second pressing mechanism 51 to be correspondingly matched with the first pulley placing seat 40 and the second pulley placing seat 41, so that the press-connection work is performed, the tension of the belt 13 can be closely engaged with the press-connection work described above and the first pressing mechanism 50 and the second pressing mechanism 51 work synchronously with high efficiency. In this embodiment, the belt 13, the first pulley 11, and the second pulley 12 are toothed, respectively, and the inner circumferential surface of the belt 13 is provided with a plurality of internal teeth, and the outer circumferential surface of the first pulley 11 and the outer circumferential surface of the second pulley 12 are provided with a plurality of external teeth for meshing with the internal teeth of the belt 13.

The belt drive power device further includes a second pulley axle 14 corresponding to the second pulley 12, an axle bearing 15 corresponding to the second pulley axle 14; when the second pulley placing seat 41 is located at the second position with respect to the first pulley placing seat 40, the first pressing mechanism 50, the second pressing mechanism 51 move downward simultaneously with the downward movement of the upper movable plate 30 and the first pressing mechanism 50 moves downward toward the first pulley placing seat 40 to press the first pulley 11 against the rotating shaft 100 of the motor 10 with the first pulley placing seat 40 and the second pressing mechanism 51 moves downward toward the second pulley placing seat 41 to press the wheel bearing 15 against the second pulley axle 14 with the second pulley placing seat 41. The first pressing mechanism 50 and the second pressing mechanism 51 are fixed to the upper movable plate 30 so as to be movable up and down in synchronization with the upper movable plate 30. For the cooperation between the first pressing mechanism 50 and the first pulley placing seat 40, in short, the first pressing mechanism 50 presses down on the upper face and the first pulley placing seat 40 abuts down, so that the cooperation completes the press-bonding work; also, for the fitting between the second pressing mechanism 51 and the second pulley placing seat 41, in short, the second pressing mechanism 51 presses down on the upper face and the second pulley placing seat 41 abuts down, so that the fitting completes the crimping work. The upper movable plate 30 is in a horizontal state.

The first pressing mechanism 50 is provided with a first top core 500, the first top core 500 is used for pressing down against the rotating shaft 100 of the motor 10, and the first top core 500 is directly or indirectly fixed on the upper movable plate 30. The first top core 500 is located directly above the first pulley receiving seat 40. The first top core 500 may be aligned with the rotational shaft 100 of the motor 10 to vertically downwardly abut the rotational shaft 100 of the motor 10.

The first pressing mechanism 50 is further provided with a top core installation seat 501 corresponding to the first top core 500, the top core installation seat 501 is fixed on the upper movable plate 30, the first top core 500 is fixedly installed on the top core installation seat 501, the top core installation seat 501 is provided with a containing hole 502, the first top core 500 is installed in the containing hole 502, and the inner wall of the containing hole 502 is provided with internal threads so as to be in threaded connection with external threads on the first top core 500, so that the first top core 500 is convenient to replace and the depth of the first top core 500 in the containing hole 502 is convenient to adjust so as to adapt to different rotating shafts 100; the upper end of the rotating shaft 100 of the motor 10 can be embedded into the part of the accommodating hole 502 below the first top core 500 and is propped up by the first top core 500, so that the accommodating hole 502 plays a certain role in limiting and protecting the rotating shaft 100 of the motor 10, the upper end of the rotating shaft 100 of the motor 10 is not easy to misplace, and the depth of the upper end of the rotating shaft 100 of the motor 10 embedded into the accommodating hole 502 is conveniently adjusted by adjusting the depth of the first top core 500 in the accommodating hole 502; before the first core 500 is screwed into the receiving hole 502, the first core 500 may be fastened to the inner wall of the receiving hole 502 and the outer part Zhou Jiajiao of the first core 500 to enhance the firmness of the first core 500 in the receiving hole 502. The top core mounting seat 501 is locked to the upper movable plate 30 by screws. The second pressing mechanism 51 is fastened to the upper movable plate 30 by a screw.

The press-mounting apparatus is further provided with a pressure-bearing cover plate 31 disposed on the upper side of the upper movable plate 30, the upper movable plate 30 is provided with a first mounting through hole 300 corresponding to the top core mounting seat 501 and a second mounting through hole 301 corresponding to the second pressing mechanism 51, the top core mounting seat 501 is locked on the upper movable plate 30 and at least partially accommodated in the first mounting through hole 300, the second pressing mechanism 51 is locked on the upper movable plate 30 and at least partially accommodated in the second mounting through hole 301, the pressure-bearing cover plate 31 is locked on the upper movable plate 30, and both the first mounting through hole 300 and the second mounting through hole 301 are covered by the pressure-bearing cover plate 31, so as to inhibit dust accumulation and collision damage of the first mounting through hole 300 and the second mounting through hole 301. The press mounting equipment of the belt transmission power device of the patent application is usually required to be matched with a press (such as a hydraulic press) for use, the upper movable plate 30 moves downwards under the downward pressing action of a press head (also called a hammer head) of the press, the pressure-bearing cover plate 31 directly receives the downward pressing of the press head of the press, the upper movable plate 30 is indirectly pressed down by the press head of the press, the press head of the press is prevented from directly pressing the upper movable plate 30, the upper movable plate 30 is prevented from being worn or damaged due to direct pressure bearing, and the increase of the pressure-bearing area of the upper movable plate 30 is facilitated; the pressure-bearing cover plate 31 is relatively easy to replace, so that there is no need to worry about excessive wear of the pressure-bearing cover plate 31. The components of the press-fitting device of the belt transmission power device of the embodiment have high strength, and are preferably made of high-quality steel materials. The upper movable plate 30 and the top core mounting seat 501 are respectively provided with corresponding lock screw holes so as to lock the top core mounting seat 501 on the upper movable plate 30 through corresponding first screws (not shown); the upper movable plate 30 and the second depressing mechanism 51 are respectively provided with corresponding lock screw holes so as to lock the second depressing mechanism 51 on the upper movable plate 30 by corresponding second screws (not shown); the pressure-bearing cover plate 31 is provided with a first through hole 310 corresponding to the first screw and a second through hole 311 corresponding to the second screw, the first through hole 310 can be penetrated by the first screw, the second through hole 311 can be penetrated by the second screw, the first screw does not exceed the first through hole 310 upwards, and the second screw does not exceed the second through hole 311 upwards. So set up, make things convenient for the dismouting of first screw, second screw to make things convenient for the dismouting of top core mount pad 501, second push down mechanism 51, and pressure-bearing apron 31 can play the guard action to first screw, second screw, does benefit to and avoids first screw, second screw to be collided and damage or become flexible, thereby guarantees the firm of top core mount pad 501, second push down mechanism 51. The second pressing mechanism 51 extends downwards from the upper movable plate 30, the second pressing mechanism 51 is provided with a yielding hole 510, the yielding hole 510 is at least partially located at the lower end 511 of the second pressing mechanism 51, the lower end 511 of the second pressing mechanism 51 is used for downwards abutting against the inner ring 150 of the wheel shaft bearing 15 so as to fix the inner ring 150 of the wheel shaft bearing 15 on the second pulley shaft 14 in a sleeved mode, and the yielding hole 510 is used for the upper end of the second pulley shaft 14 to extend into. The wheel bearing 15 is a ball bearing.

The bottom base 2 is provided with a main base plate 20 and a heightening platform 21 fixed on the main base plate 20, the heightening platform 21 is positioned on the upper side of the main base plate 20, the second belt pulley placing seat 41 is arranged on the heightening platform 21 and is heightened by the heightening platform 21, the second belt pulley placing seat 41 is provided with a first guide part 410, the heightening platform 21 is provided with a second guide part 210 matched with the first guide part 410 to guide the second belt pulley placing seat 41 to transversely move, one of the first guide part 410 and the second guide part 210 is a chute, and the other of the first guide part 410 and the second guide part 210 is a guide rail matched with the chute; the second pulley receiving seat 41 is horizontally movable relative to the first pulley receiving seat 40 between a first position and a second position; in this embodiment, the second guiding portion 210 is a sliding slot, and the first guiding portion 410 is a guiding rail matched with the sliding slot; the elevating platform 21 is provided with a main body 211 and a detachable stopper 212 mounted and fixed on the main body 211, the main body 211 is provided with a containing groove 2110 penetrating through two opposite sides of the elevating platform 21 in the moving direction of the second pulley placing seat 41, the second pulley placing seat 41 is partially contained in the containing groove 2110, a part of the containing groove 2110 is shielded by the stopper 212 to form a second guiding part 210, the stopper 212 stops the first guiding part 410 on the upper side of the first guiding part 410 to prevent the second pulley placing seat 41 from being separated from the containing groove 2110 upwards. In this embodiment, the moving direction of the second pulley holder 41 is a left-right direction, the main body 211 may be a metal block, the main body 211 and the main base 20 are respectively provided with corresponding locking screw holes, so that the main body 211 is locked on the main base 20 by screws, and the main base 20 is in a horizontal state.

The press mounting equipment is further provided with a plurality of first guide posts 60, a plurality of first springs 61, a plurality of first linear bearings 62 and at least one height limiting post 63 for limiting the height of the upper movable plate 30 which moves down to the proper position, wherein the lower ends of the height limiting posts 63 are fixed on the bottom base 2, the first guide posts 60 penetrate through the upper movable plate 30, the first springs 61 are sleeved on the corresponding first guide posts 60, and the lower ends of the first springs 61 are supported on the bottom base 2; the first linear bearings 62 are fixed to the upper movable plate 30 and are sleeved on the corresponding first guide posts 60, and the first springs 61 are in a compressed state between the first linear bearings 62 and the upper movable plate 30 to provide upward support for the upper movable plate 30. So designed, the upper movable plate 30 is facilitated to move up and down smoothly and stably along the first guide post 60. The upper movable plate 30 is blocked by the height limiting posts 63 when being pressed down to the height limiting posts 63 by an external force, so that the upper movable plate 30 moves down to the right position, and the height limiting posts 63 limit the height of the upper movable plate 30 to the right position, thereby preventing the upper movable plate 30 from being excessive. After the upper movable plate 30 moves down to the height limiting column 63, the press-fitting work of the press-fitting equipment of the belt transmission power device is completed. Each first guide post 60 is erected on the bottom base 2, and the first guide posts 60 are locked on the main base plate 20 by screws. A first stop piece 64 is arranged at the upper end of the first guide pillar 60; when the pressure head of the press is separated from the press mounting equipment of the belt transmission power device, and therefore the upper movable plate 30 is not pressed down by the press, the upper movable plate 30 moves upwards and returns to the first stop piece 64 under the supporting action of the first spring 61; specifically, when the upper movable plate 30 is not pressed down by the press, the upper movable plate 30 moves up until it is stopped by the first stopper 64 under the supporting action of the first spring 61, and thus the reset is completed. The first linear bearing 62 is provided with a first sheath 620, the first guide post 60 penetrates through the first sheath 620, the upper end of the first spring 61 is pressed against the first sheath 620 upwards, and the upper end of the first sheath 620 is abutted against the upper movable plate 30. In this embodiment, the number of the first guide posts 60 and the first springs 61 is four.

The height limiting column 63 is provided with a detachable adjusting block 630 positioned at the top end of the height limiting column, and the upper movable plate 30 is pressed down to move down to be in contact with the adjusting block 630, so that when the height of the upper movable plate 30 which moves down to be in place needs to be changed, the whole height limiting column 63 does not need to be replaced, and the height of the height limiting column 63 can be adjusted by replacing the height limiting column with the adjusting block 630 with other height sizes. The height limiting post 63 is locked to the upper end of the height limiting post 63 by a screw. In this embodiment, the number of the height limiting columns 63 is four, and the four height limiting columns 63 are distributed at four corners of the bottom base 2 in an upright state, so as to be able to bear the downward pressure of the upper movable plate 30 uniformly and stably, and prevent the upper movable plate 30 from tilting. The lower ends of the height-limiting posts 63 and the main base plate 20 are respectively provided with corresponding lock screw holes so as to lock the height-limiting posts 63 on the main base plate 20 by screws.

The second pulley placing seat 41 is provided with a base 411 and a plurality of positioning blocks 412 positioned on the upper side of the base 411, the upper surface of the base 411 is used for placing the second pulley 12, the second pulley 12 is provided with a plurality of spokes 120, and the positioning blocks 412 are used for being embedded between the adjacent spokes 120 so as to position the second pulley 12 on the second pulley placing seat 41; the positioning block 412 is fixed on the base 411, specifically, the base 411 and the positioning block 412 are respectively provided with corresponding lock screw holes so as to lock the positioning block 412 on the base 411 by screws; the upper surface of the base 411 is concavely provided with a plurality of concaves 413 corresponding to the positioning blocks 412, the shape of the concaves 413 is matched with the lower ends of the corresponding positioning blocks 412, and the lower ends of the positioning blocks 412 are embedded in the corresponding concaves 413. In this embodiment, the base 411 is a metal block, and the first guiding portion 410 is a part of the base 411. The second pulley placing seat 41 is further provided with a second top core 414, the second top core 414 is used for propping against the second pulley axle 14, a first pit 415 for placing the second top core 414 is further formed on the upper surface of the base 411, and the second top core 414 is placed in the first pit 415 and fixed on the base 411. When it is desired to match a different second pulley axle 14, this can be conveniently accomplished by replacing the second top core 414 with another height dimension. The second pulley 12 is provided with an eccentric shaft mounting portion 121, and the upper surface of the base 411 is further formed with a second recess 416 directly connected to the first recess 415, the second recess 416 accommodating the eccentric shaft mounting portion 121. The second top core 414 and the base 411 are respectively provided with corresponding lock screw holes so as to lock the second top core 414 to the base 411 by screws. In this embodiment, the number of spokes 120 and positioning blocks 412 is 3.

In this embodiment, the first pulley receiving seat 40 is fixed relative to the bottom base 2 and the second pulley receiving seat 41 is movable relative to the bottom base 2, and further, the first pulley receiving seat 40 and the main base 20 are respectively provided with corresponding locking screw holes for locking the first pulley receiving seat 40 to the main base 20 by screws. The press mounting equipment of the belt transmission power device is also provided with a shifting device 7 capable of driving the second belt pulley placing seat 41 to move between a first position and a second position, the shifting device 7 is provided with a movable connecting rod 70, an air cylinder 71, a piston 72 positioned in the air cylinder 71 and connected with the connecting rod 70, and a control handle 73, and the shifting device 7 pushes and pulls the second belt pulley placing seat 41 by the connecting rod 70 so as to transversely move the second belt pulley placing seat 41; specifically, the air pressure in the cylinder 71 is controlled to generate an air pressure difference to drive the piston 72 to move in the cylinder 71, and the movement of the piston 72 in the cylinder 71 drives the link 70 to move synchronously, so that the second pulley placing seat 41 connected with the link 70 can be moved; the displacement device 7 can selectively drive the second pulley arrangement seat 41 to the first position or the second position based on the control handle 73 being in different positions; in fig. 1, 2, 4, 9, the control handle 73 is in the initial position, with the second pulley mount 41 in the first position; in fig. 5, control handle 73 is pulled down to another position, at which time second pulley mount 41 is moved to the second position. The connecting rod 70 is horizontally arranged, and the second pulley placing seat 41 can horizontally move between the first position and the second position under the driving of the connecting rod 70. The displacement device 7 in this embodiment is an existing product in the market, which is produced and sold by aldehyder company, and is a pull rod type pneumatic member, and the further specific structure thereof is not described again; instead of using the displacement device 7 of the present embodiment, it is of course also possible to purchase or design other mechanical or electrical means for displacing the second pulley receiving seat 41. The second pulley housing seat 41 is provided with a connection block 417 fixed to the base 411, the connection block 417 is locked to the base 411 by a screw, and one end of the link 70 is locked to the connection block 417 by a screw.

The belt transmission power device further comprises a frame 16, the motor 10 and the wheel bearing 15 can be arranged on the frame 16 so as to be used for subsequent assembly as a whole, the press-fit equipment of the belt transmission power device is further provided with a movable seat 8 capable of moving up and down, at least one second guide pillar 90 and at least one second spring 91 for supporting the movable seat 8, the movable seat 8 can be used for being supported by the frame 16, the movable seat 8 and the second belt pulley placing seat 41 are positioned on the left side and the right side of the first belt pulley placing seat 40, and the second belt pulley placing seat 41 is gradually far away from the movable seat 8 and the first belt pulley placing seat 40 in the process of moving from the first position to the second position; the upper movable plate 30 is located above the second guide posts 90 and is spaced up and down from the second guide posts 90, the lower ends of the second guide posts 90 are fixed on the bottom base 2, the second springs 91 are sleeved on the corresponding second guide posts 90 to support the movable seat 8 upwards, the frame 16 can be abutted against the movable seat 8 to generate downward pressing force on the movable seat 8, the movable seat 8 can move downwards under the pressing force, and the pressing force is at least partially derived from the gravity of the frame 16; when the frame 16 is separated from the movable seat 8, so that the movable seat 8 is not pressed downward by the frame 16, the movable seat 8 moves upward under the supporting action of the second spring 91 to return to an initial height (the movable seat 8 is at the initial height in fig. 1,2,4, 6, 8, and 9). The aforementioned pressing force in the present embodiment is mainly derived from the gravity of the frame 16 and the gravity of the motor 10 fixed on the frame 16. The second stop piece 92 is installed at the upper end of the second guide post 90, when the frame 16 is separated from the movable seat 8, and thus the movable seat 8 is not pressed downwards by the frame 16, under the supporting action of the second spring 91, the movable seat 8 moves upwards to the second stop piece 92 to be stopped by the second stop piece 92, and is reset to the initial height. The movable seat 8 is suspended under the support of the second spring 91. The movable seat 8 and the shifting device 7 are positioned at the left and right sides of the second belt pulley placing seat 41 and the first belt pulley placing seat 40, the shifting device 7, the second belt pulley placing seat 41, the first belt pulley placing seat 40 and the movable seat 8 are sequentially distributed in the left and right direction, and the second belt pulley placing seat 41 moves from the first position to the second position under the pulling of the shifting device 7 and gradually moves away from the movable seat 8 and the first belt pulley placing seat 40. The frame 16 is a one-piece, unitary member of metal, preferably stainless steel.

The movable seat 8 is provided with a leaning part 80, a first side blocking part 81 and a second side blocking part 82 which are used for leaning the frame 16, the leaning part 80, the first side blocking part 81 and the second side blocking part 82 are positioned on one side of the movable seat 8 close to the second belt pulley placing seat 41, the first side blocking part 81 extends upwards from one end of the leaning part 80, the second side blocking part 82 extends upwards from the opposite end of the leaning part 80, and the first side blocking part 81, the leaning part 80 and the second side blocking part 82 are connected into a U-shaped limiting frame, and the corresponding part of the frame 16 can be embedded into the U-shaped limiting frame downwards to lean on the leaning part 80; it should be noted that, in this embodiment, the corresponding portion of the frame 16 may also be laterally embedded into the U-shaped limiting frame. The press-fitting equipment of the belt transmission power device is also provided with a third guide part 93 for guiding the movable seat 8 to move up and down, the movable seat 8 is also provided with a supporting mechanism, a fourth guide part 83 and a vertical plate part 84 which are correspondingly matched with the third guide part 93, the leaning part 80 is connected with and laterally protrudes out of the vertical plate part 84, and the fourth guide part 83 and the supporting mechanism are fixed on the vertical plate part 84 and are positioned on two opposite sides of the vertical plate part 84 with the leaning part 80; one of the third guide part 93 and the fourth guide part 83 is formed with a chute, and the other of the third guide part 93 and the fourth guide part 83 is a guide rail matched with the chute; the upper end of the second spring 91 pushes up the supporting mechanism to support the movable seat 8, the supporting mechanism is provided with at least one second linear bearing 85 sleeved on the corresponding second guide post 90, and the second spring 91 is in a compressed state between the second linear bearing 85 and the bottom base 2 to provide upward support for the movable seat 8. The press-fitting device is further provided with a first positioning plate 94 which is vertically arranged on the bottom base 2 and is used for fixing a third guide part 93, the lower end of the first positioning plate 94 is fixed on the bottom base 2, a chute is formed on the fourth guide part 83, the third guide part 93 is a guide rail matched with the chute, and the leaning part 80 is positioned on one side, close to the second belt pulley placing seat 41, of the lower end of the vertical plate part 84, so that the leaning part 80 is sunk to a lower position, and the rack 16 is also convenient to lean; the supporting mechanism is positioned at one side of the upper end of the vertical plate part 84 far away from the second belt pulley placing seat 41, the fourth guiding part 83 is positioned at the lower side of the supporting mechanism, the number of the second guide posts 90 is two, and the third guiding part 93 and the first positioning plate 94 which are fixed together are arranged between the two second guide posts 90 in the middle; The support mechanism is also provided with a bracket 86, the second linear bearing 85 is fixed on the bracket 86, the bracket 86 is provided with a yielding through groove 860, and the third guide part 93 can penetrate through the yielding through groove 860 along the up-down direction and penetrate through the bracket 86; the design is beneficial to the stable up-and-down movement of the movable seat 8. The leaning portion 80 is located on a side of the riser portion 84 facing the second pulley placing seat 41, and the supporting mechanism, the fourth guiding portion 83, the first positioning plate 94, and the second guide post 90 are all located on a side of the riser portion 84 facing away from the second pulley placing seat 41, so as to facilitate emptying of a side of the riser portion 84 facing the second pulley placing seat 41 (i.e., a side of the leaning portion 80), and provide more sufficient space to facilitate the rack 16 leaning on the leaning portion 80. The riser portion 84 and the bracket 86 are provided with corresponding lock screw holes, respectively, for locking the riser portion 84 and the bracket 86 together by screws. The bracket 86 has a U-shape. The second linear bearing 85 is provided with a second sheath 850, the second guide post 90 penetrates through the second sheath 850, the upper end of the second spring 91 is pressed against the second sheath 850 upwards, and the upper end of the second sheath 850 is abutted against the bracket 86. The first side blocking part 81, the leaning part 80 and the second side blocking part 82 are respectively and integrally connected to the vertical plate part 84, and the vertical plate part 84 and the bracket 86 are respectively provided with corresponding locking screw holes so as to lock the vertical plate part 84 and the bracket 86 together through screws; The riser portion 84 and the fourth guide portion 83 are provided with corresponding lock screw holes, respectively, so that the riser portion 84 and the fourth guide portion 83 are locked together by screws.

The press-fitting device is further provided with at least one stop post 95, wherein the stop post 95 is positioned on one side of the second pulley placing seat 41 far away from the first pulley placing seat 40, and the second pulley placing seat 41 is stopped by the stop post 95 and is positioned at the second position when moving from the first position to the second position; the stopper post 95 prevents the second pulley placing seat 41 from being excessively displaced. When the second pulley placing seat 41 is moved from the first position to the second position, the base 411 of the second pulley placing seat 41 is stopped by the stopper post 95.

The aforementioned press-fitting apparatus is further provided with a second positioning plate 96 fixed relative to the bottom base 2, and the stopper post 95 is fixed to the second positioning plate 96 so as to be in a suspended state relative to the bottom base 2, and the stopper post 95 is horizontally provided with the second pulley placement seat 41 for stopping the horizontal movement of the second pulley placement seat. The bottom base 2 is provided with a fixing plate 22 for fixing a second positioning plate 96, the fixing plate 22 is attached to the main substrate 20 and locked to the main substrate 20, the second positioning plate 96 stands on the upper side of the main substrate 20 in a state perpendicular to the main substrate 20, and the second positioning plate 96 is locked to the fixing plate 22, thereby indirectly locked to the main substrate 20. The fixing plate 22 and the main base plate 20 are respectively provided with corresponding locking screw holes so as to lock the fixing plate 22 on the main base plate 20 through screws; the second positioning plate 96 and the fixing plate 22 are provided with corresponding lock screw holes, respectively, so that the second positioning plate 96 is locked to the fixing plate 22 by screws. The link 70 extends through the second positioning plate 96.

The first pulley arrangement seat 40 is fixed relative to the bottom base 2 and the second pulley arrangement seat 41 is movable relative to the bottom base 2; the first pulley placing seat 40 is vertically arranged on the bottom base 2, the first pulley placing seat 40 is locked on the bottom base 2 through a screw, the movable pin 87 capable of moving up and down and the third spring 88 for propping against the movable pin 87 are further arranged on the press mounting equipment, the first pulley placing seat 40 is provided with a third through hole 400 for the movable pin 87 to penetrate, the movable pin 87 and the third spring 88 are respectively and at least partially positioned inside the first pulley placing seat 40, the third spring 88 is propped between the movable pin 87 and the bottom base 2, and the movable pin 87 can penetrate through the third through hole 400 and extend into the first pulley 11 to limit the first pulley 11 on the first pulley placing seat 40.

The belt transmission power device of the present embodiment is applied to an air compressor, constitutes a part of a pump of the air compressor, and is configured to drive a rod piston (not shown) of the pump to reciprocate in a cylinder (not shown) of the pump to compress air. One end of a connecting rod piston of the pump is pivotally connected with an eccentric shaft (not shown) of the pump, and the eccentric shaft of the pump is fixedly arranged at an eccentric shaft mounting position 121; when compressed air is carried out, the motor 10 drives the first belt pulley 11, and then the belt 13 drives the second belt pulley 12 indirectly, and under the drive of the second belt pulley 12, the connecting rod piston of the pump reciprocates in the cylinder of the pump to compress the air; the cylinders of the pump are typically mounted and secured to the frame 16. In this embodiment, the first pulley 11 is a small pulley, and the second pulley 12 is a large pulley. The belt transmission power device further comprises a first belt pulley end cover 17, the first belt pulley end cover 17 is arranged at the upper end of the first belt pulley 11, the first belt pulley end cover 17 is provided with a mounting through hole 170 for the rotating shaft 100 of the motor 10 to penetrate, and the outer periphery of the first belt pulley end cover 17 is radially beyond the outer periphery of the upper end of the first belt pulley 11, and the radial direction is the radial direction of the first belt pulley 11; the outer peripheral edge of the first pulley end cover 17 is circular, and the mounting port 170 is located in the middle of the first pulley end cover 17.

The application also provides a using method of the press-fitting equipment, which comprises the following steps:

Step one, placing a first pulley 11 on a first pulley placing seat 40 and placing a second pulley 12 fixed together with a second pulley axle 14 on a second pulley placing seat 41;

Step two, when the second pulley placing seat 41 is at the first position relative to the first pulley placing seat 40, the belt 13 is sleeved on the first pulley 11 and the second pulley 12, and then the second pulley placing seat 41 is moved from the first position to the second position relative to the first pulley placing seat 40, so that the belt 13 sleeved on the first pulley 11 and the second pulley 12 is tensioned;

Step three, in a state that the frame 16, the motor 10 and the wheel axle bearing 15 are mounted together, the frame 16 is put on the movable seat 8, and the movable seat 8 moves downwards along with the frame 16;

Step four, along with the downward movement of the upper movable plate 30, the first pressing mechanism 50 and the second pressing mechanism 51 synchronously move downward, and the first pressing mechanism 50 moves downward toward the first pulley placing seat 40 to press the first pulley 11 against the rotating shaft 100 of the motor 10 with the first pulley placing seat 40, and the second pressing mechanism 51 moves downward toward the second pulley placing seat 41 to press the wheel bearing 15 against the second pulley axle 14 with the second pulley placing seat 41.

For step four, in the process of moving the first pressing mechanism 50 downward toward the first pulley placing seat 40, the first pulley placing seat 40 pushes the first pulley 11 against and the first pressing mechanism 50 presses the rotating shaft 100 of the motor 10 down against the rotating shaft 100 of the motor 10 to gradually press the rotating shaft 100 of the motor 10 into the first pulley 11, thereby pressing the first pulley 11 and the rotating shaft 100 of the motor 10 together; in the process that the second pressing mechanism 51 moves downwards towards the second pulley placing seat 41, the second pulley placing seat 41 pushes the second pulley axle 14 against and the second pressing mechanism 51 presses the inner ring 150 of the wheel axle bearing 15 to fix the inner ring 150 of the wheel axle bearing 15 on the second pulley axle 14 in a sleeved mode, and therefore the wheel axle bearing 15 and the second pulley axle 14 are pressed together.

The axial direction of the first pulley 11 placed behind the first pulley placing seat 40 and the axial direction of the second pulley 12 placed behind the second pulley placing seat 41 should be as vertical as possible to facilitate the crimping work. For step four, the first pressing mechanism 50 presses the rotating shaft 100 of the motor 10 through the first top core 500, and the second top core 414 of the second pulley placing seat 41 presses the second pulley axle 14 against.

For step four, the upper movable plate 30 moves downward by the pressing force of the press ram until it is stopped by the height limiting column 63, and the motor 10, the wheel bearing 15 and the frame 16 move downward in synchronization with each other, with the rotation shaft 100 of the motor 10 moving downward by the first pressing mechanism pressing down and the inner ring 150 of the wheel bearing 15 moving downward by the second pressing mechanism pressing down.

For step three, the mobile seat 8 moves downwards under an abutment force of the frame 16, said abutment force being at least partially derived from the weight of the frame 16; in addition, for step three, the movable seat 8 moves downward under the pressing force of the frame 16 until the inner race 150 of the wheel bearing 15 mounted to the frame 16 abuts against the second pulley wheel shaft 14 and/or the rotating shaft 100 of the motor 10 mounted to the frame 16 abuts against the first pulley end cover 17 mounted to the upper end of the first pulley 11.

For the second step, after the belt 13 is put on the first pulley 11 and the second pulley 12, the first pulley end cover 17 is put on the first pulley 11, and then the second pulley placing seat 41 is moved from the first position to the second position; for step three, the movable seat 8, during the downward movement under the pressing force of the frame 16, holds the frame 16 resting on the movable seat 8 to prevent the frame 16 from tilting until the inner race 150 of the wheel bearing 15 mounted on the frame 16 abuts against the second pulley wheel shaft 14 and/or the rotating shaft 100 of the motor 10 mounted on the frame 16 abuts against the first pulley end cap 17 mounted on the upper end of the first pulley 11. The abutment between the inner race 150 of the wheel bearing 15 mounted to the frame 16 and the second pulley axle 14 in this embodiment is synchronized with the abutment between the rotating shaft 100 of the motor 10 mounted to the frame 16 and the first pulley end cap 17 mounted to the upper end of the first pulley 11. Referring to fig. 7, after the press-connection is completed, the inner ring 150, the outer ring 151, and the frame 16 of the wheel bearing 15 are abutted against the positioning block 412, and the lower end 511 of the second pressing mechanism 51 is inserted into the frame 16; after the crimping is completed, the inner ring 150 of the wheel bearing 15 is interference-fitted with the second pulley wheel shaft 14 to be fixed to the second pulley wheel shaft 14 and the first pulley 11 and the first pulley end cover 17 are interference-fitted with the rotating shaft 100 of the motor 10 to be fixed to the rotating shaft 100 of the motor 10.

Claims

1. The utility model provides a belt drive power device's pressure equipment, belt drive power device includes the motor, can supply to fix with the pivot of motor together in order to rotate first belt pulley, second belt pulley under the drive of motor, thereby supply the transmission to connect between first belt pulley and second belt pulley can be under the drive of first belt pulley pivoted belt, its characterized in that: the press mounting equipment of the belt transmission power device comprises a bottom base, an upper movable plate capable of moving up and down, a first belt pulley placing seat capable of placing a first belt pulley, a second belt pulley placing seat capable of placing a second belt pulley, a first pressing mechanism corresponding to the first belt pulley placing seat and a second pressing mechanism corresponding to the second belt pulley placing seat, wherein the bottom base is positioned below the upper movable plate and is opposite to the upper movable plate in an up-down interval, the first belt pulley placing seat and the second belt pulley placing seat are arranged on the bottom base, the first pressing mechanism and the second pressing mechanism are arranged on the upper movable plate, and the first pressing mechanism and the second pressing mechanism can synchronously move up and down along with the upper movable plate; the second pulley placing seat is provided with a first position relative to the first pulley placing seat and a second position relative to the first pulley placing seat, the second pulley placing seat can transversely move between the first position and the second position relative to the first pulley placing seat, and the horizontal distance between the second pulley placing seat and the first pulley placing seat is smaller than the horizontal distance between the second pulley placing seat and the first pulley placing seat when the second pulley placing seat is at the first position; in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased; the press mounting equipment of the belt transmission power device is further provided with a plurality of first guide posts, a plurality of first springs, a plurality of first linear bearings and at least one height limiting post for limiting the height of the upper movable plate which moves down to the right position, wherein the lower ends of the height limiting posts are fixed on the bottom base, the first guide posts penetrate through the upper movable plate, the first springs are sleeved on the corresponding first guide posts, and the lower ends of the first springs are supported on the bottom base; the first linear bearings are fixed on the upper movable plate and sleeved on the corresponding first guide posts, and the first springs are in a compressed state between the first linear bearings and the bottom base to provide upward support for the upper movable plate.

2. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the first pushing mechanism is provided with a first top core, the first top core is used for pushing downwards against the rotating shaft of the motor, and the first top core is directly or indirectly fixed on the upper movable plate;

The first pressing mechanism is also provided with a jacking core installation seat corresponding to the first jacking core, the jacking core installation seat is fixed on the upper movable plate, the jacking core installation seat is provided with a containing hole, the first jacking core is installed in the containing hole, and the inner wall of the containing hole is provided with internal threads so as to be in threaded connection with external threads on the first jacking core; the upper end of the rotating shaft of the motor can be embedded into the part of the accommodating hole, which is positioned below the first top core, and is propped up by the first top core.

3. The press-fitting apparatus of a belt drive power unit according to claim 2, wherein: the upper movable plate is provided with a first installation through hole corresponding to the top core installation seat and a second installation through hole corresponding to the second pressing mechanism, the top core installation seat is locked on the upper movable plate and at least partially accommodated in the first installation through hole, the second pressing mechanism is locked on the upper movable plate and at least partially accommodated in the second installation through hole, the pressure-bearing cover plate is locked on the upper movable plate, and the first installation through hole and the second installation through hole are covered by the pressure-bearing cover plate; the upper movable plate and the top core mounting seat are respectively provided with corresponding lock screw holes so as to lock the top core mounting seat on the upper movable plate through corresponding first screws; the upper movable plate and the second pressing mechanism are respectively provided with corresponding lock screw holes so that the second pressing mechanism can be locked on the upper movable plate through corresponding second screws; the pressure-bearing cover plate is also provided with a first through hole corresponding to the first screw and a second through hole corresponding to the second screw, the first through hole can be used for the first screw to pass through, the second through hole can be used for the second screw to pass through, the first screw does not exceed the first through hole upwards, and the second screw does not exceed the second through hole upwards.

4. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the base is equipped with the master substrate, be fixed in the bed hedgehopping platform of master substrate, bed hedgehopping platform is located the upside of master substrate, and the seat is placed to the second belt pulley and is set up on the bed hedgehopping platform and be raised by the bed hedgehopping platform, and the seat is placed to the second belt pulley is equipped with first guiding portion, and the bed hedgehopping platform is equipped with the second guiding portion with the cooperation of first guiding portion is in order to guide the sideslip of second belt pulley placement seat, and one of first guiding portion and second guiding portion is the spout, and another of first guiding portion and second guiding portion is with spout complex guide rail.

5. The press-fitting apparatus of a belt drive power unit as claimed in claim 4, wherein: the second belt pulley placing seat can horizontally move between a first position and a second position relative to the first belt pulley placing seat; the second guiding part is the spout, first guiding part be with spout complex guide rail, the bed hedgehopping platform is equipped with main part, the installation is fixed in the detachable dog of main part, main part is equipped with the holding tank that link up the relative both sides of bed hedgehopping platform in the direction of movement of second belt pulley placing seat, second belt pulley placing seat part holds in the holding tank, a portion of holding tank is sheltered from by the dog and forms second guiding part, the dog is in the first guiding part of upside backstop of first guiding part, in order to block that the second belt pulley placing seat upwards breaks away from the holding tank.

6. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the height limiting column is provided with a detachable adjusting block positioned at the top end of the height limiting column, and the upper movable plate is pressed down to move down to a proper position and then is abutted against the adjusting block; each first guide pillar is respectively erected on the bottom base; the upper end of the first guide post is provided with a first stop piece.

7. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the second belt pulley placing seat is provided with a base, a plurality of positioning blocks and a second top core, the positioning blocks are positioned on the upper side of the base, the upper surface of the base is used for placing a second belt pulley, the second belt pulley is provided with a plurality of spokes, and the positioning blocks are used for being embedded between the adjacent spokes so as to position the second belt pulley on the second belt pulley placing seat; the positioning block is fixed on the base, the upper surface of the base is concavely provided with a plurality of concave marks corresponding to the positioning block and first pits for placing the second top core, the shape of the concave marks is matched with the lower ends of the corresponding positioning blocks, and the lower ends of the positioning blocks are embedded in the corresponding concave marks; the belt transmission power device is also provided with a second belt pulley axle corresponding to the second belt pulley, the second top core is used for propping against the second belt pulley axle, and the second top core is arranged in the first pit and fixed on the base.

8. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the first belt pulley placing seat is fixed relative to the bottom base and the second belt pulley placing seat is movable relative to the bottom base, the press mounting equipment of the belt transmission power device is further provided with a shifting device capable of driving the second belt pulley placing seat to move between a first position and a second position, the shifting device is provided with a movable connecting rod, and the shifting device pushes and pulls the second belt pulley placing seat by means of the connecting rod so as to transversely move the second belt pulley placing seat.

9. The press-fitting apparatus of a belt drive power unit as claimed in claim 8, wherein: the connecting rod is horizontally arranged, and the second belt pulley placing seat can horizontally move between the first position and the second position under the drive of the connecting rod.

10. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the belt transmission power device further comprises a frame, the press-fitting equipment of the belt transmission power device is further provided with a movable seat capable of moving up and down, at least one second guide pillar and at least one second spring for supporting the movable seat, the movable seat and the second belt pulley placing seat are positioned at the left side and the right side of the first belt pulley placing seat, and the second belt pulley placing seat is gradually far away from the movable seat and the first belt pulley placing seat in the process of moving from the first position to the second position; the lower end of the second guide post is fixed on the bottom base, the second spring is sleeved on the corresponding second guide post and used for supporting the movable seat upwards, the stand can be propped against the movable seat to generate downward propping force on the movable seat, the movable seat can move downwards under the propping force, and the propping force is at least partially derived from the gravity of the stand; when the frame is separated from the movable seat and the movable seat is not pressed downwards by the frame, the movable seat moves upwards to be reset to an initial height under the supporting action of the second spring.

11. The press-fitting apparatus of a belt drive power unit as claimed in claim 10, wherein: the shifting device is further provided with a shifting device capable of driving the second belt pulley placing seat to move between the first position and the second position, the shifting device, the second belt pulley placing seat, the first belt pulley placing seat and the movable seat are sequentially distributed in the left-right direction, and the second belt pulley placing seat moves from the first position to the second position under the pulling of the shifting device and gradually moves away from the movable seat and the first belt pulley placing seat.

12. The press-fitting apparatus of a belt drive power unit as claimed in claim 10, wherein: the movable seat is provided with a leaning part, a first side blocking part and a second side blocking part, wherein the leaning part, the first side blocking part and the second side blocking part are used for being lapped by the frame, the first side blocking part and the second side blocking part are positioned on one side, close to the second belt pulley placing seat, of the movable seat, the first side blocking part extends upwards from one end of the leaning part, the second side blocking part extends upwards from the opposite end of the leaning part, the first side blocking part, the leaning part and the second side blocking part are connected into a U-shaped limiting frame, and the corresponding part of the U-shaped limiting frame can be downwards embedded into the U-shaped limiting frame to be lapped on the leaning part.

13. The press-fitting apparatus of a belt drive power unit as claimed in claim 10, wherein: the movable seat is also provided with a supporting mechanism, a fourth guiding part correspondingly matched with the third guiding part, a leaning part for the rack to lean against, and a vertical plate part, wherein the leaning part is connected with and laterally protrudes out of the vertical plate part, and the fourth guiding part and the supporting mechanism are fixed on the vertical plate part and are positioned at two opposite sides of the vertical plate part; one of the third guide part and the fourth guide part is provided with a chute, and the other of the third guide part and the fourth guide part is a guide rail matched with the chute; the upper end of the second spring upwards pushes against the supporting mechanism to support the movable seat, the supporting mechanism is provided with at least one second linear bearing sleeved on the corresponding second guide post, and the second spring is in a compressed state between the second linear bearing and the bottom base to provide upwards support for the movable seat.

14. The belt drive power unit press-fitting apparatus as claimed in claim 13, wherein: the device is characterized by further comprising a first positioning plate which is vertically arranged on the bottom base and used for fixing a third guide part, wherein the lower end of the first positioning plate is fixed on the bottom base, a chute is formed in a fourth guide part, the third guide part is a guide rail matched with the chute, the lap part is positioned at one side, close to the second belt pulley placing seat, of the lower end of the vertical plate part, the upper end of the vertical plate part is positioned at one side, far from the second belt pulley placing seat, of the supporting mechanism, the fourth guide part is positioned at the lower side of the supporting mechanism, the number of the second guide posts is two, and the third guide part and the first positioning plate which are fixed together are arranged between the two second guide posts in the middle; the support mechanism is also provided with a support, the second linear bearing is fixed on the support, the support is provided with a yielding through groove, and the third guide part can penetrate through the yielding through groove along the up-down direction and penetrate through the support.

15. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: at least one stop post is arranged on one side of the second belt pulley placing seat far away from the first belt pulley placing seat, the second belt pulley placing seat is stopped by the stopping post and is positioned at the second position when moving from the first position to the second position;

The press-fitting equipment of the belt transmission power device is also provided with a second positioning plate fixed relative to the bottom base, and a shifting device capable of driving the second belt pulley placing seat to move between a first position and a second position, wherein the stop column is fixed on the second positioning plate and is in a suspended state relative to the bottom base, the second belt pulley placing seat can horizontally move between the first position and the second position, and the stop column is horizontally provided with the second belt pulley placing seat for stopping the horizontal movement; the shifting device is provided with a connecting rod, the shifting device pushes and pulls the second belt pulley placing seat by means of the connecting rod so as to move the second belt pulley placing seat, and the connecting rod penetrates through the second locating plate.

16. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the belt transmission power device further comprises a second pulley wheel shaft corresponding to the second pulley and a wheel bearing corresponding to the second pulley wheel shaft, when the second pulley wheel placing seat is located at a second position relative to the first pulley wheel placing seat, the first pressing mechanism and the second pressing mechanism synchronously move downwards along with the downward movement of the upper movable plate, and the first pressing mechanism moves downwards towards the first pulley wheel placing seat to press the first pulley wheel with the rotating shaft of the motor together, and the second pressing mechanism moves downwards towards the second pulley wheel placing seat to press the wheel bearing with the second pulley wheel shaft together.

17. The belt drive power unit press-fitting apparatus as claimed in claim 16, wherein: the second pushes down the mechanism and extends downwards from last fly leaf, and the second pushes down the mechanism and is equipped with the hole of stepping down, and the hole of stepping down is located the lower extreme of second pushing down the mechanism at least partially, and the lower extreme of second pushes down the mechanism supplies to push down the inner circle of wheel axle bearing in order to cup joint the inner circle of wheel axle bearing and fix on the second belt pulley shaft, and the upper end of two belt pulley shafts of stepping down Kong Gongdi stretches into wherein.

18. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased, so that the belt sleeved on the first belt pulley and the second belt pulley is gradually tensioned; when the second belt pulley placing seat is at a second position relative to the first belt pulley placing seat, the first downward pressing mechanism and the second downward pressing mechanism synchronously move downwards along with the downward movement of the upper movable plate so as to correspondingly match with the first belt pulley placing seat and the second belt pulley placing seat to perform corresponding crimping work.

19. The press-fitting apparatus of a belt drive power unit according to claim 1, wherein: the first pulley arrangement is fixed relative to the bottom base and the second pulley arrangement is movable relative to the bottom base; the first belt pulley is a small belt pulley, the second belt pulley is a large belt pulley, the belt transmission power device also comprises a first belt pulley end cover which is arranged at the upper end of the first belt pulley, the first belt pulley end cover is provided with a mounting through hole for the rotating shaft of the motor to penetrate through, and the outer periphery of the first belt pulley end cover is beyond the outer periphery of the upper end of the first belt pulley in the radial direction.