CN120004124A - Dual power hydraulic drive system grabber - Google Patents
Dual power hydraulic drive system grabber Download PDFInfo
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- CN120004124A CN120004124A CN202510500570.5A CN202510500570A CN120004124A CN 120004124 A CN120004124 A CN 120004124A CN 202510500570 A CN202510500570 A CN 202510500570A CN 120004124 A CN120004124 A CN 120004124A
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- grabbing
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- rod
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/02—Bucket grabs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of grabbing machines, and particularly relates to a grabbing machine of a double-power hydraulic driving system, which comprises a frame body assembly, wherein a driving assembly is arranged at the bottom of the frame body assembly, a suspension assembly is movably connected to one side of the top of the frame body assembly, a grabbing assembly is arranged at the other end of the suspension assembly, the frame body assembly comprises a frame, the driving assembly comprises a diesel engine and a motor, a main valve is arranged on one side of the frame, an oil tank is arranged on the other side of the frame, the suspension assembly comprises a bent arm and a gooseneck arm, the grabbing assembly comprises two grabbing hoppers, a fixing frame is arranged above the grabbing hoppers, two supporting plates are symmetrically arranged on the inner walls of the grabbing hoppers, and vent holes are formed in the supporting plates.
Description
Technical Field
The invention belongs to the technical field of grabbing machines, and particularly relates to a grabbing machine with a double-power hydraulic driving system.
Background
At present, due to limited sites of wood processing enterprises, raw materials which are received more in the high-yield season of timber felling are required to be stacked and piled, a general grab bucket of a timber grabbing machine is connected and suspended below a main arm through a steel wire rope to stack, and the timber grabbing machine is used for loading and unloading materials by using an excavator, and is used for driving a hydraulic pump to realize various actions by using a diesel engine as power, and the two technologies are common for transporting timber and piling.
The Chinese patent application CN116553205A discloses a material grabbing machine which comprises a main machine, a hopper driving and retaining mechanism and a material grabbing device, wherein the hopper is provided with more than two hopper petals and can excavate and grab materials by changing the hopper from an open state to a closed state, one end of the hopper driving and retaining mechanism is connected with the top of the hopper, and the material grabbing machine is high in material grabbing difficulty and low in material grabbing precision.
The Chinese patent CN108622653B provides a grabbing and feeding robot which comprises a moving unit, a bottom plate, a rotary lifting unit, a supporting plate, a sliding block A, a sliding rail A, a rack rod plate, a first motor mounting seat, a grabbing unit, a first motor, a gear, a second motor and a flange adapter plate, and is characterized in that the two moving units are respectively arranged on two sides of the bottom plate, and the grabbing efficiency of the grabbing machine is low and the grabbing effect is poor.
The material grabbing machine is mainly a single-power hydraulic driving system, and when the hydraulic driving system is damaged, the material grabbing machine needs to be maintained for a long time, so that the follow-up normal grabbing efficiency is reduced.
When the grabbing machine grabs the wood, a large amount of impurities are attached to the outer surface of the wood, and if the impurities are not cleaned in time, the inner wall of the grabbing bucket is polluted, and meanwhile the quality of the wood is correspondingly reduced.
After the timber is grabbed, the timber is unevenly distributed in the grabbing bucket, and then the timber is easy to shake and collide in the grabbing bucket when being transported and recovered in the follow-up process, so that the safety and stability of the timber and the grabbing bucket are reduced.
Simultaneously, when timber rotates along with the grab bucket, the timber can also impact with the grab bucket inner wall under the centrifugal force effect, and then causes the damage of grab bucket.
And when snatching fill and transporting timber to the vehicle top and retrieving, if two snatch fill open to both sides, then snatch the inside timber of fill and can directly drop to the vehicle top, and then not only can cause the influence to the stationarity and the security of vehicle, can also make timber appear striking risk such as breaking simultaneously.
Disclosure of Invention
Aiming at the problems, the invention provides a grabbing machine with a double-power hydraulic driving system.
The material grabbing machine of the double-power hydraulic driving system comprises a frame body component, wherein a driving component is arranged at the bottom of the frame body component, a suspension component is movably connected to one side of the top of the frame body component, and a grabbing component is arranged at the other end of the suspension component;
the frame body assembly comprises a frame;
The driving assembly comprises a diesel engine and a motor, a main valve is arranged on one side of the frame, and an oil tank is arranged on the other side of the frame;
The suspension assembly comprises a bending arm and a gooseneck arm;
The utility model discloses a scraper blade, including the subassembly that snatchs, snatch the subassembly and including two snatchs, the top that snatchs is equipped with the mount, the inner wall symmetry that snatchs the fill is equipped with two backup pads, the air vent has been seted up to the backup pad inside, the intercommunicating pore has evenly been seted up to one side of air vent, the inside sealed sliding connection of intercommunicating pore has sealed slider, the arc supporting slot has been seted up to sealed slider's both sides, the inner wall in arc supporting slot all is equipped with pressure sensor, the equal sliding connection in both sides of backup pad has the removal scraper blade.
The invention correspondingly obtains the extrusion force of the wood to the arc-shaped supporting groove through the pressure value detected by the pressure sensor, correspondingly adjusts the position of the wood, further ensures stable and accurate grabbing and transferring of the wood, correspondingly adjusts the moving distance of the sealing sliding block in the communication hole by means of the pressure value change detected by the pressure sensor in the transferring process, further improves the supporting stability of the arc-shaped supporting groove to the wood, correspondingly adjusts the moving distance of the moving scraping plate in the moving process of the sealing sliding block, realizes the scraping wind power cleaning effect on the inner wall of the grabbing bucket, and sequentially moves downwards and retracts to the inside of the communication hole when the grabbing bucket moves to the upper side of a vehicle, thereby realizing stable and continuous unloading and recycling of the wood in the grabbing bucket.
Preferably, the bottom of frame rotates and is connected with rotary platform, rotary platform's both sides all symmetry are equipped with two drive division, the input of drive division is equipped with drive division, the surface transmission of drive division is connected with the sprocket, just rotary platform's bottom evenly is equipped with a plurality of flexible supporting parts.
Preferably, one side of the frame is provided with an escalator, the top of the escalator is provided with a plurality of guardrails, the side walls of the guardrails are fixedly connected with the side walls of the frame, one side of the top of the frame is provided with a control room, the other side of the top of the frame is provided with a power distribution cabinet, and the power distribution cabinet is electrically connected with the control room.
Preferably, the bottom of diesel engine and motor all is connected with the top fixed connection of frame, the output of diesel engine is connected with first main pump through elastic coupling, the input of first main pump is linked together with the output of oil tank, the output of first main pump is equipped with first check valve, the output of first check valve is linked together with the input of main valve, just the circulation direction of first check valve is along first main pump one-way to main valve end.
Preferably, the output end of the motor is provided with a second main pump through an elastic coupling, the input end of the second main pump is communicated with the output end of the oil tank, the output end of the second main pump is provided with a second one-way valve, the output end of the second one-way valve is communicated with the input end of the main valve, and the circulation direction of the second one-way valve is from the second main pump to the main valve end in a one-way.
Preferably, a positioning seat is arranged on one side of the top of the frame, the top of the positioning seat is hinged with the bottom of the bending arm, the top of the bending arm is hinged with the end part of the gooseneck two arms, the top of the positioning seat is hinged with a main hydraulic rod, the output end of the main hydraulic rod is hinged with the side wall of the bending arm through a hinging seat, a negative hydraulic rod is arranged on the side wall of the main hydraulic rod, and the output end of the negative hydraulic rod is hinged with the side wall of the gooseneck two arms through a hinging seat.
Preferably, the bottom of gooseneck both arms articulates there is the connecting seat, the bottom of connecting seat articulates there is the movable seat, the bottom of movable seat is equipped with the safety cover, the bottom axle center department of safety cover is connected with the rotation tooth through center bearing rotation, the bottom of rotation tooth and the top fixed connection of mount, the lateral wall of movable seat is equipped with the installation cover, the top of installation cover is equipped with the rotation motor, the bottom output of rotation motor passes the installation cover and is equipped with the initiative tooth, initiative tooth and rotation tooth intermeshing.
Preferably, the bottom of mount is equipped with elasticity and supports the piece, the both sides of mount are rotated and are connected with the dwang, the surface of dwang is rotated through the bearing with the inner wall of snatching the fill and is connected, the inner wall of snatching the fill is equipped with the gag lever post, the other end of gag lever post is rotated through the bearing with the surface of dwang and is connected, the both sides wall symmetry of mount is equipped with hydraulic clamp lever, the bottom output of hydraulic clamp lever is rotated with the inner wall of gag lever post and is connected, the output of main valve all is linked together with the input of main hydraulic stem, negative hydraulic stem and hydraulic clamp lever.
Preferably, the surface of snatching the fill is equipped with a plurality of strengthening ribs, the inclined strut face has been seted up to the tip of backup pad, snatch the inside of fill and pass the strengthening rib and evenly seted up a plurality of discharge openings, one side of snatching the fill is equipped with the forced draught blower, the output of forced draught blower passes strengthening rib and backup pad and is linked together with the air vent, the interior bottom of air vent evenly is equipped with a plurality of electric putter, electric putter's output and sealing slider's lateral wall fixed connection, arc supporting groove inner wall is equipped with the elastic pad and with timber surface assorted, pressure sensor is used for detecting the pressure value that arc supporting groove lateral wall received.
Preferably, the one end that the air vent was kept away from to the intercommunicating pore is passed the backup pad and is linked together with snatching the fill inner chamber, the inside of backup pad evenly is equipped with a plurality of butt joint holes, a plurality of butt joint hole is all linked together with the air vent to the terminal surface, a plurality of butt joint Kong Xiangbei is corresponding with the lateral wall that removes the scraper blade to the terminal surface, the bottom symmetry of sealed slider is equipped with two follower plates, the matching hole has been seted up to the inside of follower plate, matching hole and butt joint hole assorted, the lateral wall of backup pad evenly is equipped with a plurality of coupling springs, the other end of coupling spring and the lateral wall fixed connection who removes the scraper blade, the bottom that removes the scraper blade evenly is equipped with a plurality of cleaning holes.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the double-power hydraulic driving system is simple to operate, safe and stable, reduces labor intensity, improves working efficiency, reduces production cost, enlarges working range, realizes maintenance operation without stopping machine, and further improves the grabbing efficiency and grabbing effect on wood.
2. According to the invention, the grabbing bucket can also realize omnibearing elastic grabbing of the wood in the grabbing process of the wood, so that the wrapping and fixing effects of the wood are improved, the impurities attached to the outer surface of the wood are cleanly recovered by means of high-frequency vibration of the wood after grabbing is completed, and the recovery quality of the wood is effectively improved by matching with the reciprocating high-frequency movement of the moving scraping plate and the wind force effect of the butting hole, so that the pollution to the normal grabbing of the subsequent wood is avoided.
3. According to the invention, after the timber is grabbed, the position of the timber between the two support plates is correspondingly adjusted, so that the stability and the accuracy of the center of gravity of the timber are ensured, and the subsequent shaking of the timber and damage to the timber caused by lowering and grabbing the hopper during the rotation of the timber are avoided.
4. According to the invention, the supporting force of the arc-shaped supporting groove on the side wall of the sealing slide block on the side wall of the wood is correspondingly adjusted through the pressure value change detected by the pressure sensor in the process of grabbing and transferring the wood, so that the stability and the accuracy of the wood above the supporting plate are further ensured.
5. According to the invention, after the grabbing bucket transports the timber above the vehicle, the sealing sliding blocks sequentially and reversely move to realize the uniform-speed layer-by-layer blanking of the timber, so that the uniformity and stability of the timber blanking recovery are effectively ensured, and the damage to the vehicle or the timber caused by stacking and blanking of the timber is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of another embodiment of the present invention;
FIG. 3 is a schematic rear perspective view of the present invention;
FIG. 4 is a schematic perspective view of a grabbing assembly according to the present invention;
FIG. 5 is a schematic diagram of the front internal perspective view of the grasping assembly according to the invention;
FIG. 6 is a schematic view of a partially exploded perspective view of a rotating tooth in the grasping assembly according to the invention;
FIG. 7 is a schematic front internal perspective view of a grab bucket in the grabbing assembly of the present invention;
FIG. 8 is an enlarged schematic view of FIG. 7 at A;
FIG. 9 is a schematic bottom internal perspective view of a grab bucket in the grabbing assembly of the present invention;
FIG. 10 is an enlarged schematic view of FIG. 9B;
Fig. 11 is a partially exploded perspective view of a support plate in the grasping assembly according to the invention.
In the figure, 1, a frame body assembly; 101, a frame; 102, a chain wheel; 103, drive section, 104, drive section, 105, control chamber, 106, guardrail, 107, escalator, 108, power distribution cabinet, 109, rotary platform, 2, drive assembly, 201, diesel engine, 202, motor, 203, elastic coupling, 204, first main pump, 205, second main pump, 206, first check valve, 207, second check valve, 208, main valve, 209, tank, 3, suspension assembly, 301, positioning seat, 302, bent arm, 303, main hydraulic lever, 304, gooseneck two arms, 305, negative hydraulic lever, 306, hinge seat, 4, gripping assembly, 401, gripping bucket, 402, rotating lever, 403, fixed frame, 404, protective cover, 405, rotating tooth, 406, center bearing, 407, rotating motor, 408, driving tooth, 409, mounting cover, 410, movable seat, 411, discharge orifice, 412, reinforcing rib, 413, limit lever, 414, support plate, 415, vent, 416, communication orifice, 417, electric push rod, 418, sealing slide, arc support groove, 420, pressure plate, 421, 422, support plate, 423, 426, spring attachment, bracket, seat, 428, bracket, seat, flexible attachment, seat, 427, flexible attachment, and flexible attachment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-11, the grabbing machine of the dual-power hydraulic driving system comprises a frame body assembly 1, wherein a driving assembly 2 is arranged at the bottom of the frame body assembly 1, the frame body assembly 1 moves and realizes adjustment and change of grabbing positions, a suspension assembly 3 is movably connected to one side of the top of the frame body assembly 1, the driving assembly 2 improves hydraulic power for the suspension assembly 3 and further improves working stability and efficiency of the suspension assembly 3, a grabbing assembly 4 is arranged at the other end of the suspension assembly 3, the grabbing assembly 4 grabs timber, and correspondingly improves stable grabbing placement of timber in different sizes and positions, and recovery efficiency and recovery effect of timber are improved.
The frame body assembly 1 comprises a frame 101, a rotary platform 109 is rotatably connected to the bottom of the frame 101, the rotary platform 109 drives the frame 101 to rotate in any direction, the rotation range of the frame 101 and the subsequent grabbing angle are further improved, two sides of the rotary platform 109 are symmetrically provided with two transmission parts 104, the transmission parts 104 are in gear transmission, the input end of the transmission parts 104 is provided with a driving part 103, the driving part 103 is driven by a driving motor, the outer surface of the transmission part 104 is in transmission connection with a chain wheel 102, the driving part 103 is started and drives the chain wheel 102 to rotate through the driving part 104, so that mobility of the rotary platform 109 and the frame 101 above is achieved, a plurality of telescopic supporting parts are uniformly arranged at the bottom of the rotary platform 109, and are of telescopic supporting rod structures.
One side of the frame 101 is provided with an escalator 107, the top of the escalator 107 is provided with a plurality of guardrails 106, the side walls of the guardrails 106 are fixedly connected with the side walls of the frame 101, the escalator 107 is convenient for operators to reach the upper side of the frame 101 for operation and maintenance, one side of the top of the frame 101 is provided with a control room 105, the other side of the top of the frame 101 is provided with a power distribution cabinet 108, the power distribution cabinet 108 is electrically connected with the control room 105, the power distribution cabinet 108 supplies power to the control room 105 and each electric control element above the frame 101, and the control room 105 is electrically controlled by each electric and hydraulic element.
The driving assembly 2 comprises a diesel engine 201 and a motor 202, a main valve 208 is arranged on one side of the frame 101, an oil tank 209 is arranged on the other side of the frame 101, the diesel engine 201 and the motor 202 can control the main valve 208, hydraulic oil in the oil tank 209 is discharged along the main valve 208 and realizes subsequent hydraulic operation, and then the double-power hydraulic driving system is realized.
The bottom of diesel engine 201 and motor 202 all with the top fixed connection of frame 101, the output of diesel engine 201 is connected with first main pump 204 through elastic coupling 203, the input of first main pump 204 is linked together with the output of oil tank 209, diesel engine 201 starts and drives first main pump 204 work through elastic coupling 203, first main pump 204 draws out the inside hydraulic oil of oil tank 209, the output of first main pump 204 is equipped with first check valve 206, the output of first check valve 206 is linked together with the input of main valve 208, then first main pump 204 lets in the inside of main valve 208 with the hydraulic oil in the oil tank 209 along first check valve 206, and then realize subsequent hydraulic support process, and the circulation direction of first check valve 206 is along first main pump 204 one-way to main valve 208 end, under the one-way restriction effect of first check valve 206, the hydraulic oil that follows first check valve 206 exhaust only can get into 208 and can not get into the inside of second check valve 207 and take place backward flow when first main pump 204 starts.
The output end of the motor 202 is provided with a second main pump 205 through the elastic coupling 203, the input end of the second main pump 205 is communicated with the input end of the oil tank 209, and similarly, when the second main pump 205 is started, hydraulic oil in the oil tank 209 is pumped out, the output end of the second main pump 205 is provided with a second one-way valve 207, the output end of the second one-way valve 207 is communicated with the input end of the main valve 208, hydraulic oil is introduced into the main valve 208 through the second main pump 205 along the second one-way valve 207 to circulate, and the circulation direction of the second one-way valve 207 is from the one-way direction of the second main pump 205 to the main valve 208, so that hydraulic oil pumped out by the second main pump 205 can only enter the main valve 208 under the one-way limiting action of the second one-way valve 207 and cannot flow back to the first one-way valve 206 to generate backflow, so that the stability and safety of the double-power hydraulic driving system are further improved, and mutual obstruction caused when the diesel engine 201 and the motor 202 work is avoided.
The suspension assembly 3 comprises a bending arm 302 and a gooseneck two-arm 304, the bending arm 302 and the gooseneck two-arm 304 are matched and realize the adjustment of the position and the height of the grabbing assembly 4, a positioning seat 301 is arranged on one side of the top of the frame 101, the position of the positioning seat 301 is unchanged, the top of the positioning seat 301 is hinged with the bottom of the bending arm 302, the bending arm 302 can hinge and rotate around the positioning seat 301, the top of the bending arm 302 is hinged with the end of the gooseneck two-arm 304, the gooseneck two-arm 304 rotates around the bending arm 302, the stability and the grabbing range of the hinge and rotation are further improved, a main hydraulic rod 303 is hinged at the top of the positioning seat 301, the output end of the main hydraulic rod 303 is hinged with the side wall of the bending arm 302 through a hinge seat 306, a negative hydraulic rod 305 is arranged on the side wall of the main hydraulic rod 303, the output end of the negative hydraulic rod 305 is hinged with the side wall of the gooseneck two-arm 304 through the hinge seat 306, and the negative hydraulic rod 305 is started and driven to rotate around the hinge and rotate angle of the top of the bending arm 302.
The grabbing component 4 comprises two grabbing hoppers 401, the grabbing hoppers 401 grab wood, a fixing frame 403 is arranged above the grabbing hoppers 401, the fixing frame 403 is connected with the grabbing hoppers 401, a connecting seat 428 is hinged to the bottom of each gooseneck two arm 304, a movable seat 410 is hinged to the bottom of each connecting seat 428, the movable seat 410 and the connecting seat 428 are matched to improve the mobility and stability of the gooseneck two arms 304 driving the grabbing hoppers 401 to move, a protective cover 404 is arranged at the bottom of each movable seat 410, rotating teeth 405 are rotatably connected to the bottom axis of each protective cover 404 through a central bearing 406, the rotating teeth 405 rotate inside the protective cover 404 through the central bearing 406, the bottoms of the rotating teeth 405 are fixedly connected with the top of the fixing frame 403, the rotating teeth 405 rotate to synchronously drive the fixing frame 403 to rotate, a mounting cover 409 is arranged on the side wall of each movable seat 410, a rotating motor 407 is arranged on the top of each mounting cover 409, a driving tooth 408 is arranged on the bottom output end of each rotating motor 407, the driving tooth 408 is meshed with the rotating teeth 405 and synchronously drives the fixing frame 403 to rotate, and the two grabbing hoppers 401 are further improved in the grabbing quality and the grabbing quality are guaranteed.
The bottom of mount 403 is equipped with elasticity and supports piece 430, elasticity supports piece 430 can carry out elastic support to the timber top of snatching the inside of fill 401, further improve the stability of snatching timber, the both sides rotation of mount 403 is connected with dwang 402, the surface of dwang 402 passes through the bearing rotation with the inner wall of snatching the fill 401 and is connected, snatch fill 401 can take place articulated rotation in step round dwang 402, further improve the stability of snatching fill 401 snatch work, the inner wall of snatching fill 401 is equipped with gag lever 413, the other end of gag lever post 413 passes through the bearing rotation with the surface of dwang 402 and is connected, the gag lever post 413 carries out the clamping spacing to snatch fill 401 both sides, and cooperation elasticity supports piece 430 and realizes snatch the omnidirectional parcel of the inside timber of snatching fill 401, the both sides wall symmetry of mount 403 is equipped with hydraulic clamp rod 429, the bottom output of hydraulic clamp rod 429 and the inner wall rotation of gag lever 413 are connected, hydraulic clamp rod 429 starts and the output is elongated, then the output of hydraulic clamp rod 429 drives two snatch fill 401 to be close to each other through gag lever 413, two snatch fill 401 and snatch the stability of work, the main valve, the output end that snatch main valve 208 all and main valve 208 and main valve, hydraulic clamp 305 and hydraulic clamp rod 305 and negative clamp rod 305 and hydraulic clamp system's hydraulic pressure input are guaranteed to the hydraulic pressure that the performance is guaranteed to be broken and the hydraulic pressure system is guaranteed to the problem that the hydraulic pressure is simultaneously to be set up and is guaranteed to the hydraulic pressure stability because of the performance is guaranteed to the input and is guaranteed to the stability.
The inner wall symmetry of snatch fill 401 is equipped with two backup pads 414, two backup pads 414 carry out stable support to timber top, avoid timber and snatch fill 401 inner wall direct extrusion contact and cause pollution etc., the surface of snatch fill 401 is equipped with a plurality of strengthening ribs 412, the setting of strengthening rib 412 improves the support stability of snatch fill 401, the inclined strut face 431 has been seted up to the tip of backup pad 414, when snatch fill 401 snatch ground timber, timber directly moves to the backup pad 414 top under the slip effect of inclined strut face 431 and supports, snatch fill 401 inside and pass the strengthening rib 412 evenly and offered a plurality of discharge holes 411, the impurity etc. of timber surface all drops to snatch fill 401 inner wall and discharges along discharge hole 411, further improve the cleanliness of timber surface and snatch fill 401 inner wall.
The air vent 415 is formed in the supporting plate 414, the blower 427 is arranged on one side of the grabbing bucket 401, the output end of the blower 427 penetrates through the reinforcing rib 412 and the supporting plate 414 and is communicated with the air vent 415, the blower 427 is started and circulates gas inside the air vent 415, the communication hole 416 is uniformly formed in one side of the air vent 415, one end of the communication hole 416, which is far away from the air vent 415, penetrates through the supporting plate 414 and is communicated with the inner cavity of the grabbing bucket 401, the sealing slide 418 is hermetically and slidingly connected with the sealing slide 418, the sealing slide 418 extends out of the communication hole 416 and elastically supports the side wall of the wood, a plurality of electric push rods 417 are uniformly arranged at the inner bottom of the air vent 415, the output end of the electric push rods 417 is fixedly connected with the side wall of the sealing slide 418, the electric push rods 417 are started and extend out of the sealing slide 418 along the communication hole 416, arc-shaped supporting grooves 419 are formed in two sides of the sealing slide 418, the inner walls of the arc-shaped supporting grooves 419 are provided with elastic pads and are matched with the outer surfaces of the wood, the inner walls of the arc-shaped supporting grooves 419 are used for supporting and correcting the side walls of the wood, the placement stability and the supportability of the force sensor inside the grabbing bucket 401 are further improved, the inner walls of the arc-shaped supporting grooves 419 are provided with pressure 420, the pressure values of the pressure sensors are used for detecting the pressure side walls of the arc-shaped side walls 419, and the pressure sensors are detected.
The inside of backup pad 414 evenly is equipped with a plurality of butt joint holes 423, a plurality of butt joint holes 423 face each other the terminal surface all with the air vent 415 be linked together, then the inside gas of air vent 415 is discharged along multistage butt joint hole 423, further improve and carry out wind-force cleaning to the impurity etc. that snatchs the bucket 401 inner wall and adhere to, the both sides of backup pad 414 all sliding connection has movable scraper blade 425, a plurality of butt joint holes 423 face each other the terminal surface all with movable scraper blade 425's lateral wall corresponding, it reciprocates at the bucket 401 inner wall and scrapes the cleaning to snatch bucket 401 inner wall to drive movable scraper blade 425 under the effect of docking hole 423 discharge wind-force, further improve the cleaning performance and the mediation nature of bucket 401 inner wall, avoid snatch bucket 401 inner wall attached impurity to be more and reduce the effect of snatching to follow-up timber, the bottom symmetry of sealing slider 418 is equipped with two follower plates 421, the inside of follower plate 421 has been seted up the matching hole 422, the matching hole 422 matches with the butt joint hole 423, the inside when the slider 418 reciprocates in the intercommunicating hole 416, sealing slider 418 drives the follower plate 421 and reciprocates down, follower plate 421, the follow-up hole 422 moves down, the reciprocating blade 422 moves, the inside hole 423 is driven by the butt joint hole 422 and moves down, the change in the corresponding hole 423 of the inside hole 423 is moved, and the inside the change of the size of the inside hole 423 is adjusted to be applied to the lift the movable scraper blade to the inside the bucket 401, and the change of the impact force of the inside wall is guaranteed.
The lateral wall of backup pad 414 evenly is equipped with a plurality of coupling springs 424, coupling springs 424's the other end and the lateral wall fixed connection of removal scraper blade 425, coupling springs 424's setting further improves the elasticity reset effect of removal scraper blade 425, the bottom of removal scraper blade 425 evenly is equipped with a plurality of clean holes 426, the setting of clean hole 426 is convenient for snatch the inside impurity of bucket 401 and circulates, further improve the removal scraper blade 425 and to snatch the clean quality of scraping of bucket 401 inner wall, and because removal scraper blade 425 different positions receive the different wind-force size of butt joint hole 423 exhaust, removal scraper blade 425 extension coupling springs 424 is at the inside removal distance difference of bucket 401, consequently removal scraper blade 425 can correspond to take place the skew, and then not only correspond to improve the scraping effect of removal scraper blade 425 to snatch bucket 401 inner wall different positions, removal scraper blade 425 corresponds simultaneously and drives clean hole 426 position change and adjust the circulation position of snatch bucket 401 inner wall adhesion impurity, guarantee that the impurity homoenergetic is continuously stably discharged along a plurality of discharge holes 411.
The existing material grabbing machine is mostly a single-power hydraulic driving system, when the hydraulic driving system is damaged, the material grabbing machine needs to be maintained for a long time, further the subsequent normal grabbing efficiency is reduced, when the material grabbing machine grabs wood, a large amount of impurities are adhered to the outer surface of the wood, if the impurities are not cleaned in time, the inner wall of the grabbing bucket 401 is polluted, meanwhile, the quality of the wood is correspondingly reduced, after the wood is grabbed, the wood is unevenly distributed in the inner position of the grabbing bucket 401, further, when the wood is transported and recovered in the follow-up mode, shaking collision is easy to occur in the grabbing bucket 401, the safety and stability of the wood and the grabbing bucket 401 are reduced, meanwhile, when the wood rotates along with the grabbing bucket 401, the wood also collides with the inner wall of the grabbing bucket 401 under the centrifugal force, further, the grabbing bucket 401 is damaged, and when the wood is transported to the upper portion of a vehicle, if the two grabbing buckets 401 are opened to the two sides, the wood in the grabbing bucket is directly dropped to the upper portion of the vehicle, further, the wood in the grabbing bucket 401 is prevented from being broken, and the like.
In order to solve the above problems, when the material grabbing machine of the dual-power hydraulic driving system is in actual use, the control chamber 105 firstly controls the driving part 103 to start and drives the chain wheel 102 to rotate through the transmission part 104, the chain wheel 102 drives the rotary platform 109 and the frame 101 above to move to a proper position, the driving part 103 stops working, the telescopic supporting part starts and stably supports with the ground, and then the grabbing and rotating effect of the follow-up grabbing bucket 401 on wood is improved.
After that, the control chamber 105 controls the diesel engine 201 to start and drives the first main pump 204 to start through the elastic coupling 203, the first main pump 204 applies suction force to the oil tank 209 and enables hydraulic oil in the oil tank 209 to enter the main valve 208 along the first one-way valve 206, and the hydraulic oil reaches the inside of the main hydraulic rod 303, the negative hydraulic rod 305 or the hydraulic clamping rod 429 along the main valve 208, so that the position height of the grabbing bucket 401 is correspondingly adjusted, and the grabbing quality and grabbing efficiency are improved.
If the diesel engine 201 is damaged, the control chamber 105 controls the motor 202 to start and drives the second main pump 205 to start through the elastic coupling 203, the second main pump 205 applies suction force to the oil tank 209 and enables hydraulic oil to enter the main valve 208 along the second one-way valve 207, the hydraulic oil continuously reaches the inside of the main hydraulic rod 303, the negative hydraulic rod 305 or the hydraulic clamping rod 429 along the main valve 208, correspondingly, the output stability and the high efficiency of the hydraulic oil are improved, the diesel engine 201 and the motor 202 are replaced, the continuous operation of the grabbing machine is further ensured, and the problems of low grabbing efficiency and the like caused by maintenance are avoided.
The main hydraulic rod 303 is started to drive the bending arm 302 to move around the positioning seat 301, the other end of the bending arm 302 drives the gooseneck two arms 304 to synchronously move, meanwhile, the negative hydraulic rod 305 drives the gooseneck two arms 304 to synchronously drive the connecting seat 428 to move, the connecting seat 428 drives the lower fixing frame 403 to move, and the fixing frame 403 drives the two grabbing hoppers 401 to move through the rotating rods 402 on two sides, so that the follow-up adjustment of the position height of the grabbing hoppers 401 is realized.
When the grab bucket 401 moves above the wood, the control chamber 105 controls the hydraulic clamping rod 429 to start and the output end to stretch, the output end of the hydraulic clamping rod 429 drives the limiting rod 413 to rotate around the rotating rod 402, the limiting rod 413 synchronously drives the two grab buckets 401 to move around the rotating rod 402 towards the mutually approaching ends, the two grab buckets 401 grab the wood on the ground, in the grabbing process, the control chamber 105 controls the plurality of electric push rods 417 to start and the output end to shorten to an initial value, the electric push rods 417 drive the sealing slide blocks 418 to move downwards along the communication holes 416 to the initial value, the top of the sealing slide blocks 418 and the top of the supporting plate 414 are in the same horizontal plane, therefore the inclined supporting surface 431 along the top of the supporting plate 414 is continuously piled up above the supporting plate 414 under the grabbing action of the grab bucket 401 on the wood, the wood side wall inside the grab bucket 401 is limited by the limiting rod 413, and the wood on the top of the grab bucket 401 is supported and limited by the elastic supporting block 430, so that the stability and the supportability of the wood inside the grab bucket 401 are further improved.
After the two grabbing hoppers 401 are closed, the control room 105 controls the plurality of electric push rods 417 to be started and the output ends to stretch, the top output ends of the electric push rods 417 drive the sealing sliding blocks 418 to move along the communication holes 416 towards the ends far away from the ventilation holes 415, arc-shaped supporting grooves 419 on two sides of the tops of the sealing sliding blocks 418 are inserted between two adjacent woods and are in elastic contact with the side walls of the woods, the pressure sensor 420 detects a pressure value, the lowest woods are elastically supported by the arc-shaped supporting grooves 419 on the side walls of the plurality of sealing sliding blocks 418, and the limiting rods 413 and the elastic supporting blocks 430 on the peripheral sides are matched to jointly realize omnibearing elastic clamping and wrapping on the woods in other positions, so that damage caused by shaking and collision with the inner walls of the grabbing hoppers 401 during transferring and blanking of the follow-up woods is avoided.
And because the outer surface of timber is easy to adhere to impurity, then control room 105 control electric putter 417 starts and the output is constantly elongated to shorten, electric putter 417 drives sealed slider 418 along intercommunicating pore 416 constantly reciprocates in step, the arc supporting groove 419 of sealed slider 418 both sides constantly exerts the effect down to the timber both sides of lower side and drives timber and vibrate about snatch the inside of fighting 401, with the help of this vibratory force not only improve the compact effect to timber, guarantee timber and closely laminate and distribute in snatch the inside of fighting 401, improve the compactibility and the space utilization of follow-up timber unloading loading, the timber vibrates up and down and bumps the in-process with backup pad 414 and can also break away from cleanly with the impurity of surface simultaneously, avoid this impurity to reduce the snatch recovery quality of timber.
And timber surface is cleaned by vibration and falls the impurity that falls down and grab bucket 401 inside, control room 105 control forced draught blower 427 starts and lets in gas to the air vent 415 inside simultaneously, and sealed slider 418 drives the follower 421 of both sides and reciprocates along the intercommunicating pore 416 when reciprocating, follower 421 drives inside matching hole 422 and reciprocates, and because matching hole 422 and butt joint hole 423 dislocation distribution area constantly change, the inside gas of air vent 415 constantly changes to both sides exhaust amount of wind along matching hole 422 and butt joint hole 423's coincident position, this changing gas volume direct action is to moving scraper blade 425 lateral wall, and then drive moving scraper blade 425 extension coupling spring 424 to keeping away from backup pad 414 end removal distance and change, moving scraper blade 425 reciprocating motion in-process transversely scrapes the inner wall of grab bucket 401, and the setting of cleaning hole 426 realizes the dislocation striking off effect of moving scraper blade 425 to grab bucket 401 inner wall, avoid grab bucket 401 inner wall adnexed impurity too big and influence moving scraper blade 425 reciprocating motion's stability and high efficiency, moving scraper blade 423 cooperation hole 423 exhaust amount of wind volume to change constantly changes to both sides exhaust amount of wind power to realize scraping off the inner wall to grab bucket 401, and clean the effect of following the impurity that the following the effect of scraping the inner wall of grab bucket 401 is guaranteed, clean the effect is thoroughly avoided.
After the vibration cleaning of the timber inside the grab bucket 401 is completed, the control room 105 controls the electric push rod 417 to start, the output end drives the sealing sliding block 418 to move to a proper position outwards along the communication hole 416, the arc-shaped supporting grooves 419 on two sides of the sealing sliding block 418 and the side wall elastic support of the timber are used, the pressure sensor 420 detects the pressure value of the timber above, when the weight distribution of the timber above the two side supporting plates 414 is uneven, the center of gravity of the timber is not located between the two supporting plates 414, and at the moment, the problems of timber shaking, tilting and the like can occur when the timber is transported and discharged.
For example, the plurality of electric pushers 417 drive the sealing slide blocks 418 to rise to the same height, the tops of the plurality of woods in the grabbing bucket 401 are not in mutual extrusion contact with the bottoms of the elastic supporting blocks 430 and the limiting rods 413, the sum of the pressure values detected by the plurality of pressure sensors 420 above the two side supporting plates 414 is equal, which means that the woods are at uniform positions above the supporting plates 414, and the two supporting plates 414 stably support the woods, when the sum of the pressure values detected by the plurality of pressure sensors 420 on one side is greater than that on the other side, which means that the weight of the woods on the one side is greater than that on the other side, the control chamber 105 controls the plurality of electric pushers 417 on the one side to start and the output ends to stretch, the output ends of the electric pushers 417 drive the sealing slide blocks 418 to move outwards along the communication holes 416, the sealing slide blocks 418 on the two sides are driven by the arc supporting grooves 419 on the two sides to rise at the same height, the two sides of the sealing slide blocks are synchronously controlled by the arc supporting grooves 419 on the two sides, and the two sides of the wood supporting plates 414 are synchronously controlled to slide to move to the two sides, and the pressure values of the wood is synchronously controlled to move to the wood is synchronously, and the pressure values of the wood is controlled to be in the opposite sides of the supporting plates 414 is synchronously detected on the supporting plates 414, and the wood is synchronously moved to move to the wood is moved to the opposite sides to the supporting plates 414.
Then, the electric push rod 417 is started and drives the sealing slide block 418 to move upwards to the same height along the communication hole 416, the arc-shaped supporting grooves 419 on two sides of the sealing slide block 418 apply extrusion force to the bottoms of the woods, so that the tops of the woods in the grabbing bucket 401 are guaranteed to be in extrusion contact with the bottoms of the limiting rods 413 and the elastic supporting blocks 430, when the wood volume at a certain position above the supporting plate 414 on the same side is large, the pressure value detected by the pressure sensor 420 is increased and is larger than a preset pressure value, in order to guarantee that the woods can be stably supported above the supporting plate 414, the control room 105 controls the electric push rod 417 at the position to start and the output end of the electric push rod 417 to be shortened, the output end of the electric push rod 417 drives the sealing slide block 418 to move inwards along the communication hole 416, the supporting force of the arc-shaped supporting grooves 419 on the side of the sealing slide block 418 on the woods is reduced to the optimal degree, and the pressure value detected by the pressure sensor 420 reaches the preset pressure value.
And when the sealing slide block 418 moves inwards along the communication hole 416, the sealing slide block 418 synchronously drives the two follow-up plates 421 on two sides to move, the follow-up plates 421 on two sides drive the matching holes 422 to move, the overlapping area of the matching holes 422 and the butt joint holes 423 is increased, the gas in the vent holes 415 increases the gas quantity exhausted towards two sides along the overlapping area of the matching holes 422 and the butt joint holes 423, the increased gas quantity not only exerts a wind force on the moving scraper 425 and drives the moving scraper 425 to stretch the connecting spring 424 to move towards the end far away from the supporting plate 414, but also can clean the wood on one side with larger volume by wind force, thereby improving the scraping and recycling cleaning effect on the falling impurities of the wood, and ensuring the stable cleaning and recycling quality of the wood in the grabbing bucket 401.
After the timber is grabbed and fixed, the control room 105 controls the rotary motor 407 to start and drive the driving teeth 408 to rotate, the driving teeth 408 are meshed with the rotary teeth 405 and drive the fixing frame 403 to rotate, the fixing frame 403 drives the grabbing hoppers 401 on two sides to rotate, and the grabbing hoppers 401 drive the timber inside to rotate, so that the timber transporting effect is further achieved.
And in the transportation process, because the timber receives centrifugal force, then timber can take place lateral shifting in snatch the bucket 401 inside, because the timber surface is not even, consequently, when timber takes place lateral shifting in backup pad 414 top, the pressure value that pressure sensor 420 detected changes, no matter the pressure value that pressure sensor 420 detected increases or reduces this moment, control room 105 all controls electric putter 417 start-up and the output extension, electric putter's 417 output drives sealed slider 418 along intercommunicating pore 416 outside removal, sealed slider 418 both sides arc supporting groove 419 drives timber and upwards moves, the timber further improves self clamping stability under the elastic support effect of the elastic support piece 430 of gag lever post 413 and top of both sides, avoided snatch bucket 401 effectively and take place centrifugal break away condition in transportation process to timber, guarantee that timber can be transported by stable and accurately.
After that, when the grab bucket 401 moves above the vehicle and then needs to be subjected to blanking, the control room 105 firstly controls the blower 427 to stop working, the hydraulic clamping rods 429 on two sides are started and the output ends are shortened, the output ends of the hydraulic clamping rods 429 drive the limiting rods 413 to move around the rotating rods 402 in the mutually-away direction, the limiting rods 413 synchronously drive the grab bucket 401 on two sides to slowly rotate in the mutually-away direction, in the rotating process, wood in the middle position continuously slides down to the upper part of the vehicle under the action of gravity, the pressure value detected by the pressure sensor 420 on the side wall of the arc-shaped supporting groove 419 on one side of the fixing frame 403 is continuously reduced, when the pressure value detected by the pressure sensor 420 on the side of the fixing frame 403 is zero, and the pressure value detected by the other side pressure sensor 420 is not zero, the control room 105 controls the electric push rod 417 on the side to start and the output ends to be shortened to the initial value, the electric push rod 417 moves down to the distance and retracts to the inside the communication hole 416, the arc-shaped supporting groove on the side wall of the sealing slide 418 is separated from the arc-shaped supporting of the wood under the action of the gravity of the wood, the pressure value continuously slides down to the upper part of the supporting plate 414 under the action of the wood, the condition that the pressure value is zero, the wood is repeatedly slides down to the lower the wood on the side of the supporting plate 419 is completely to realize the vehicle, and the quality is repeatedly-down in the process of the material is guaranteed, and the material is continuously reduced, and the quality is stably stacked down on the inside the vehicle is guaranteed.
After the blanking of the timber is completed, the grabbing bucket 401 is moved and separated from the upper part of the vehicle, at the moment, the sealing sliding blocks 418 drive the two side follow-up plates 421 to move downwards to the minimum value, the overlapping area of the matching holes 422 and the butting holes 423 reaches the maximum value, the control chamber 105 controls the blower 427 to start and introduce gas into the ventilation holes 415, the gas is discharged to the two sides along the ventilation holes 415, the matching holes 422 and the butting holes 423, the gas not only applies thrust to the side wall of the moving scraping plate 425 and enables the moving scraping plate 425 to scrape and clean the inner wall of the grabbing bucket 401, but also can clean the inner wall of the grabbing bucket 401 by wind force under the wind force, so that impurities attached to the inner wall of the grabbing bucket 401 are uniformly discharged along the opening, and impurities and the like blocked in the discharge holes 411 can be reversely discharged downwards, and pollution caused by the impurities to grabbing of the subsequent timber is avoided.
The grab bucket 401 is then moved over the subsequent lumber and the process is repeated to grab and rotate the subsequent lumber over the vehicle and recover.
The double-power hydraulic driving system is simple to operate, safe and stable, labor intensity is reduced, working efficiency is improved, production cost is reduced, an operation range is enlarged, maintenance operation is not stopped, grabbing efficiency and grabbing effect of wood are further improved, the grabbing bucket 401 can also achieve omnibearing elastic grabbing of the wood in the grabbing process of the wood, the wrapping fixing effect of the wood is improved, clean recovery of impurities attached to the outer surface of the wood is achieved by means of high-frequency vibration of the wood after grabbing is completed, the wood recovery quality is effectively improved by matching with reciprocating high-frequency movement of the moving scraper 425 and wind force discharged by the abutting holes 423, pollution to subsequent normal grabbing of the wood is avoided, the position of the wood between the two supporting plates 414 is correspondingly adjusted after grabbing of the wood is completed, gravity center stability and accuracy of the wood are guaranteed, the wood is prevented from shaking and being damaged when the wood is rotated, meanwhile, the supporting force of the side walls of the sealing slide block 418 is correspondingly adjusted by means of change of pressure values detected by the pressure sensors 420 in the grabbing and transporting process of the wood, the wood is further guaranteed, the stability of the wood is guaranteed to be accurately grabbed in the upper direction of the supporting plates 414, the wood is prevented from being damaged by the vehicle, or the wood is prevented from being stacked up and down in sequence, and the vehicle is prevented from being stably and being stacked up down in a certain order.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
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| JPH03262838A (en) * | 1990-03-12 | 1991-11-22 | Hikoma Seisakusho Kk | Safety mechanism for deep-digging excavator |
| WO2009054736A1 (en) * | 2007-10-23 | 2009-04-30 | Actronic Limited | Weight calculation compensation |
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2025
- 2025-04-21 CN CN202510500570.5A patent/CN120004124B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03262838A (en) * | 1990-03-12 | 1991-11-22 | Hikoma Seisakusho Kk | Safety mechanism for deep-digging excavator |
| WO2009054736A1 (en) * | 2007-10-23 | 2009-04-30 | Actronic Limited | Weight calculation compensation |
| CN108408608A (en) * | 2018-04-13 | 2018-08-17 | 江苏高德液压机械有限公司 | With vehicle grapple structure |
| CN110745694A (en) * | 2019-10-29 | 2020-02-04 | 合肥市春华起重机械有限公司 | Precise positioning and grabbing equipment for crane and working method of precise positioning and grabbing equipment |
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