CN101537989B - Jack of quick lift - Google Patents
Jack of quick lift Download PDFInfo
- Publication number
- CN101537989B CN101537989B CN2009101266726A CN200910126672A CN101537989B CN 101537989 B CN101537989 B CN 101537989B CN 2009101266726 A CN2009101266726 A CN 2009101266726A CN 200910126672 A CN200910126672 A CN 200910126672A CN 101537989 B CN101537989 B CN 101537989B
- Authority
- CN
- China
- Prior art keywords
- rod
- jack
- gear
- handle
- telescopic sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a jack of quick lift, consisting of a driving device and a hoisting device. The jack is characterized in that: one end of a screw is provided with a quick lift device. When in use, the jack is put under an object to be jacked up; if the upper plane of the jack is comparatively far from the object to be jacked up, a flexible sleeve can be drawn quickly to drive the screw to be drawn out, and consequently, the top of the jack touches the object to be jacked up quickly; then a locating sleeve is rotated to lead an inner hole boss of a grip end to enter a circular tooth socket of the locating sleeve and be automatically locked and positioned; and subsequently a ratchet spanner is rotated to cause the screw to rotate to jack up the object. When in descending, reverse operation is conducted to cause load to be removed from the jack; and then the flexible sleeve is retracted in the grip to reset the jack. Proved by use, the jack-up operation of the jack is quick and saves time, the working efficiency is improved by more than 2 times, and the jack is safe, reliable, light in weight and convenient in use.
Description
Technical Field
The invention relates to a jack for lifting, in particular to a jack capable of being quickly pulled.
Background
The jack is widely applied to hoisting operation, generally manual operation, and the portable jack is light in weight, convenient to carry and wide in application range, but the lifting speed is low, the efficiency is low, and the use is influenced.
Disclosure of Invention
The invention aims to provide a portable jack capable of being lifted quickly, which has high use efficiency and saves time, and in order to realize the purpose, the jack provided by the invention consists of a driving device and a lifting device, and is characterized in that: one end of the screw rod is provided with a quick lifting device.
A jack capable of being quickly pulled up consists of a driving device and a lifting device, wherein one end of a screw rod 19 is provided with the quick pulling-up device,
wherein,
the drive device includes: the ratchet wrench 1, the connecting nut 15 and the screw rod 19;
the hoisting device comprises: the connecting device comprises a joint 8, a rear connecting rod 9, a rear pin 10, a connecting plate 11, a front pin 12, a front connecting rod 14 and a connecting nut 15;
the quick pulling device comprises: the telescopic sleeve 2, the boss 3, the handle 4 and the screw rod 19;
the screw rod 19 penetrates out of the central hole of the joint 8 and the telescopic sleeve 2 in sequence to be connected with the ratchet wrench 1, the joint 8 is connected with one end of the handle 4, most of the telescopic sleeve 2 is arranged in the handle 4, the other end of the telescopic sleeve 2 penetrates out of one end of the handle 4, a plurality of annular tooth sockets 5 are arranged on the outer diameter of the telescopic sleeve 2, a plurality of straight grooves 17 are axially arranged on the outer diameter of the telescopic sleeve 2, the straight grooves 17 are matched with the inner hole bosses 3 at the end of the handle 4,
the handle 4 is provided with a brake lever 24 and a pressure lever 21, the inclined plane of the end of the brake lever 24 faces the direction of the joint 8 and is inserted into the annular tooth groove 5 of the telescopic sleeve 2 from the radial hole of the end of the handle 4, the pressure lever 21 is horizontally arranged, the middle part of the pressure lever is movably arranged on the handle 4 by a pin, one end of the pressure lever 21 is inserted into the hole of the middle part of the brake lever 24, the other end of the pressure lever extends out of the handle 4, the other end of the brake lever 24 is provided with a spring 23, one end of the spring 23 is propped against the boss of the brake lever 24, and the other end of the.
One end of the screw rod 19 passes through the axis of the handle 4, the tail end extends out, a gear 27 arranged on the handle 4 is meshed with the screw rod 19, a plurality of uniformly distributed annular tooth grooves 5 are arranged on the outer diameter of the end, meshed with the gear 27, of the screw rod 19, the gear 27 and U-shaped brackets 29 inserted into two sides of the gear 27 are arranged on the handle 4 through a gear shaft, the outer diameter of the gear 27 is an inward concave arc surface, is matched with the outer diameter of the screw rod 19, and also comprises a pusher dog 28, the pusher dog 28 is movably connected with the right side of the upper part in a U-shaped bracket 29 by a pin shaft and is matched with the gear 27, a tension spring 26 arranged in a pusher dog groove on the pin shaft presses the pusher dog 28 to be meshed with the gear 27, the brake lever 24 is arranged at the left side of the U-shaped bracket 29, the spring 23 presses the brake lever 24 to enable the brake claw at the other side to be meshed with the gear 27, directly below the gear 27, below the screw 19, there is a roller 30, above which a U-shaped bracket 29 is attached to the operating rod 25.
The gear 27 mounted on the handle 4 also meshes with the intermediate gear 32, the intermediate gear 32 meshes with the pinion 33, and the pinion 33 meshes with the screw 19.
The handle 4 is provided with an axial groove 36, one side of the axial groove 36 is provided with a plurality of positioning grooves 34 at intervals, the positioning sleeve 2 is provided with a positioning rod 35, and the positioning rod 35 can move and be positioned in the axial groove 36 and the positioning grooves 34.
Still include driving cylinder 46, in the one end pole portion of the actuating lever 47 that stretches out from driving cylinder 46, insert scalable location's regulation pole 48, ann spring 13 on actuating lever 47 and regulation pole 48, ann link 49 is installed to the one end that does not insert at regulation pole 48, the one end of respectively swing joint a plurality of back connecting rod 9 on a plurality of connecting plate of driving cylinder 46 periphery, the other end of back connecting rod 9 and the one end swing joint of a plurality of even board 11, even the other end of board 11 is connected a plurality of front connecting rod 14, the other end of front connecting rod 14 is connected respectively with a plurality of connecting plate of connecting frame 49 periphery.
The oil pump further comprises a piston cylinder 41, an operating rod 25 is movably connected to an installation rod 40 at the end part of the piston cylinder 41, the middle part of the operating rod 25 is movably connected with a piston 38 in the piston cylinder 41 through a connecting rod, the piston cylinder 41 is isolated from a driving cylinder 46 through a sealing cover 42 and is communicated with an oil outlet pipe through an oil inlet pipe, the other end of the oil inlet pipe penetrates through a piston head at one end of a driving rod 47 arranged in the driving cylinder 46 and is movably installed in a sealing mode, an oil inlet check valve 39 is arranged on the oil inlet pipe close to the piston cylinder 41 in the driving cylinder 46, the other end of the oil outlet pipe is connected into the driving cylinder 46 through a hose, an oil outlet check valve 43 is arranged on the oil outlet pipe in the driving cylinder 46, the piston head penetrating through the driving rod 47 in the driving cylinder 46 is installed in an oil pipe in a sealing mode.
The handle 4 is provided with an eccentric gear 20, and the eccentric gear 20 is meshed with an annular tooth groove 5 on the outer diameter of the telescopic sleeve 2.
The use proves that: the jack has the advantages of high lifting operation speed, time saving, working efficiency improvement by more than 2 times, safety, reliability, light weight, portability and convenient use.
Drawings
FIG. 1 is a schematic view of an overall structure of a jack;
FIG. 2 is a schematic end view taken at A-A of FIG. 1;
FIG. 3 is a schematic end view at B-B of FIG. 1;
FIG. 4 is a schematic view of the structure of the bellows of FIG. 1 braked by the eccentric gear;
FIG. 5 is a schematic top view at C-C of FIG. 4;
FIG. 6 is a schematic view of the telescoping sleeve of FIG. 1 controlled by a plug-in brake;
FIG. 7 is a schematic view of a structure in which a screw rod is lifted by a gear;
fig. 8 is a schematic top view at D-D of fig. 7.
FIG. 9 is a schematic structural view of a multi-stage gear shifting mechanism driving a screw to lift;
FIG. 10 is a schematic top view of the telescoping sleeve;
FIG. 11 is a schematic view of a pulling-up structure of the bellows;
FIG. 12 is a schematic top view of FIG. 11;
FIG. 13 is a schematic structural view of a manual hydraulic horizontal quick lifting jack;
referring to the drawings, specific components in the drawings are explained in detail in the order of fig. 1 to 13: in fig. 1: 1. ratchet wrench, 2, telescopic sleeve, 3, boss, 4, handle, 5, annular tooth space, 6, hole, 7, screw, 8, joint, 9, rear connecting rod, 10, rear pin, 11, connecting plate, 12, front pin, 13, spring, 14, front connecting rod, 15, connecting nut, 16, thrust bearing, 17, straight groove, 18, screw, 19, screw rod, 20, eccentric gear in fig. 4, 21, compression bar, 22, screw cover, 23, spring, 24, brake bar in fig. 6, 25, operating rod, 26, tension spring, 27, gear, 28, dial, 29, U-shaped bracket, 30, roller, 31, handle in fig. 9, 32, middle gear, 33, pinion, 34, positioning groove, 35, positioning rod, 36, axial groove in fig. 13, 37, movable hinge, 38, piston, 39, check valve, 40, mounting rod, 41, piston cylinder, 42. a sealing cover 43, an oil outlet one-way valve 44, a valve 45, a hose 46, a driving cylinder 47, a driving rod 48, an adjusting rod 49 and a connecting frame.
Detailed Description
Referring to the drawings, the invention is further explained according to the sequence of claims, fig. 1 is a schematic diagram of the overall structure of a quick-lifting jack of the invention, which is composed of a quick-lifting mechanism, a driving mechanism and a lifting mechanism, and is characterized in that: one end of the screw rod is provided with a quick pulling device.
Its quick pulling-up device includes: the telescopic sleeve 2, the boss 3, the handle 4 and the screw rod 19; the drive device includes: the ratchet wrench 1, the connecting nut 15 and the screw rod 19; the hoisting device comprises: the connecting device comprises a connector 8, a rear connecting rod 9, a rear pin 10, a connecting plate 11, a front pin 12, a front connecting rod 14 and a connecting nut 15.
The screw rod 19 penetrates out of the central hole of the joint 8 and the telescopic sleeve 2 in sequence to be connected with the ratchet wrench 1, the joint 8 is connected with one end of the handle 4, most of the telescopic sleeve 2 is arranged in the handle 4, and the other end of the telescopic sleeve penetrates out of one end of the handle 4.
The outer diameter of the telescopic sleeve 2 is provided with a plurality of annular tooth sockets 5, the outer diameter of the telescopic sleeve 2 is axially provided with a plurality of straight grooves 17, the straight grooves 17 are matched with the inner hole bosses 3 at the end of the handle 4, as shown in figure 1, when the jack is used, the jack is placed below a lifting object, if the upper end of the jack is far away from the lifting object, the telescopic sleeve 2 can be quickly pulled out and drives the screw rod 19 to be pulled out, so that the top of the jack can quickly contact the lifting object, then, the positioning sleeve 2 is rotated, the inner hole bosses 3 at the end of the handle 4 enter the annular tooth sockets 5 of the positioning sleeve 2 to be positioned, the ratchet wheel wrench 1 is rotated to enable the screw rod 19 to rotate the lifting object, and when the lifting object descends, the reverse operation is carried out, so that the jack unloads, and the telescopic sleeve 2 retracts into the handle.
In fig. 4, the eccentric gear 20 installed in the straight groove 17 on the handle 4 is engaged with the annular tooth socket 5 on the outer diameter of the telescopic sleeve 2, and is a structure for braking the telescopic sleeve 2 by using the eccentric gear 20, when in use, the telescopic sleeve 2 is quickly pulled up, then the ratchet wrench is moved to lift the jack, the eccentric gear 20 can automatically lock the telescopic sleeve 2, and when in reset, the eccentric gear is reversely rotated.
In fig. 6, the inclined plane of the end of the brake lever 24 mounted on the handle 4 faces the direction of the joint 8 and is inserted into the annular tooth space 5 of the telescopic sleeve 2 from the radial hole of the end of the handle 4, the press lever 21 is horizontally mounted, the middle part of the press lever is movably mounted on the handle 4 by a pin, one end of the press lever 21 is inserted into the hole of the middle part of the brake lever 24, the other end of the press lever extends out of the handle 4, the other end of the brake lever 24 is provided with a spring 23, one end of the spring 23 props against the boss of the brake lever 24, and the other end is pressed by a spiral cover 22 mounted on the handle 4.
In fig. 7, one end of a screw rod 19 passes through the axis of a handle 4, the tail end extends out, in a straight groove 17 of the handle 4, the screw rod 19 is meshed with a gear 27 arranged in the straight groove 17, the outer diameter of one end of the screw rod 19 meshed with the gear 27 is provided with a plurality of uniformly distributed annular tooth grooves 5, the gear 27 and a U-shaped bracket 29 inserted at two sides of the gear 27 are arranged on the handle 4 by a gear shaft, the outer diameter of the gear 27 is an inward concave arc surface and is matched with the outer diameter of the screw rod 19, a pusher dog 28 is movably connected with the upper right side in the U-shaped bracket 29 by a pin shaft and is matched with the gear 27, a tension spring 26 arranged in a pusher dog groove on the pin shaft presses the pusher dog to be meshed with the gear 27, a brake lever 24 is arranged at the left side of the U-shaped bracket 29, a spring 23 presses the brake dog 24 to be meshed with the gear 27 at the other side, a roller 30 is arranged below the screw rod 19, an operating lever 25 connected with the U, when the device is used, firstly, the handle 31 is pulled to enable the screw 19 to quickly pull up the jack to lift under the condition of no load, when the load is pulled, the operating rod 25 is moved back and forth to enable the gear 27 to rotate and drive the screw 19 to pull the rear connecting rod 9 and the front connecting rod 14 to lift, and when the device is reset, the operating rod 25 is pulled backwards to jack the brake rod 24 to release the brake.
In fig. 9, the gear 27 mounted on the grip 4 may be engaged with the middle gear 32, the middle gear 32 is engaged with the pinion 33, and the pinion 33 is engaged with the screw 19.
In fig. 11, a plurality of positioning grooves 34 are spaced on one side of an axial groove 36 of the handle 4, the positioning rod 35 on the positioning sleeve 2 can move and be positioned in the axial groove 36 and the positioning grooves 34, when in use, the positioning sleeve 2 is pulled out, the positioning rod 35 moves in the axial groove 36 at the same time, and the positioning sleeve 2 rotates in the radial direction after being in place, so that the positioning rod 35 is screwed into the positioning groove 34 for positioning, and the resetting operation is reversed.
In fig. 13, the quick lifting device includes: a driving rod 47, an adjusting rod 48 and a positioning rod 35; the drive device includes: the operating handle 25, the positioning rod 35, the piston 38, the oil inlet one-way valve 39, the piston cylinder 41, the sealing cover 42, the oil outlet one-way valve 43, the valve 44, the driving cylinder 46 and the oil inlet and outlet pipes; the hoisting device comprises: rear connecting rod 9, connecting plate 11, front connecting rod 14 and connecting frame 49.
A telescopic positioning adjusting rod 48 is inserted into the rod part at the other end of a driving rod 47 extending out of the driving cylinder 46, springs 13 are arranged on the driving rod 47 and the adjusting rod 48, a connecting frame 49 is arranged at the other end of the adjusting rod 48, a plurality of rear connecting rods 9 are respectively and movably connected on a plurality of connecting plates on the periphery of the driving cylinder 46, the other end of each rear connecting rod 9 is movably connected with a plurality of connecting plates 11, the other end of each connecting plate 11 is connected with a plurality of front connecting rods 14, and the other end of each front connecting rod 14 is respectively connected with a plurality of connecting plates on the periphery of the connecting frame;
the mounting rod 40 at the end of the piston cylinder 41 is movably connected with the operating rod 25, the middle part of the operating rod 25 is movably connected with the piston 38 in the piston cylinder 41 by a connecting rod, the piston cylinder 41 is isolated from the driving cylinder 46 by a sealing cover 42 and is communicated with an oil outlet pipe by an oil inlet pipe, the other end of the oil inlet pipe passes through the piston head at one end of the driving rod 47 arranged in the driving cylinder 46, the oil inlet check valve 39 is arranged on the oil inlet pipe close to the piston cylinder 41 in the driving cylinder 46, the other end of the oil outlet pipe is connected in the driving cylinder 46 by a hose, the oil outlet check valve 43 is arranged on the oil outlet pipe in the driving cylinder 46, the oil inlet pipe is arranged on the piston head of the driving rod 47 in the driving cylinder 46, the valve 44 is movably arranged in a sealing way, the valve 44 is arranged at one end of the oil pipe close to the piston cylinder 41, when in use, if the upper end of the jack is far away from the, the top of the jack is enabled to contact with a hoisting object quickly, time is saved, then load operation is carried out, the operating rod 25 is moved back and forth to enable the piston 38 to suck oil from an oil outlet pipe in the driving cylinder into the piston cylinder 41, the next stroke of the piston presses the oil into a cavity between the piston head of the driving rod 47 and the inner end of the driving cylinder 46, the driving rod 47 retracts inwards, the jack is lifted, the valve 44 is opened during resetting, pressure is relieved, and the spring 13 on the driving rod 47 and the adjusting rod 48 can reset automatically.
The above description is only a preferred embodiment of the present invention, and their features can be easily combined with each other into various technical solutions, and the scope of the present invention should include several modifications and improvements that can be made by those skilled in the art without departing from the principle of the present invention.
Claims (7)
1. A jack capable of being quickly pulled up consists of a driving device and a lifting device, wherein one end of a screw rod (19) is provided with the quick pulling-up device,
wherein,
the drive device includes: a ratchet wrench (1), a connecting nut (15) and a screw rod (19);
the hoisting device comprises: the connecting device comprises a joint (8), a rear connecting rod (9), a rear pin (10), a connecting plate (11), a front pin (12), a front connecting rod (14) and a connecting nut (15);
the quick pulling device comprises: the telescopic sleeve (2), the boss (3), the handle (4) and the screw (19);
the screw rod (19) penetrates out of a center hole of the joint (8) and the telescopic sleeve (2) in sequence to be connected with the ratchet wrench (1), the joint (8) is connected with one end of the handle (4), most parts of the telescopic sleeve (2) are arranged in the handle (4), the other end of the telescopic sleeve (2) penetrates out of one end of the handle (4), a plurality of annular tooth sockets (5) are arranged on the outer diameter of the telescopic sleeve (2), a plurality of straight grooves (17) are axially arranged on the outer diameter of the telescopic sleeve (2), the straight grooves (17) are matched with the inner hole bosses (3) at the end of the handle (4),
the method is characterized in that:
the handle (4) is provided with a brake rod (24) and a pressure lever (21), the inclined plane of the end of the brake rod (24) faces the direction of the joint (8) and is inserted into the annular tooth groove (5) of the telescopic sleeve (2) from the radial hole of the end of the handle (4), the pressure lever (21) is horizontally arranged, the middle part of the pressure lever is movably arranged on the handle (4) by a pin, one end of the pressure lever (21) is inserted into the hole in the middle part of the brake rod (24), the other end of the pressure lever extends out of the handle (4), the other end of the brake rod (24) is provided with a spring (23), one end of the spring (23) props against the boss of the brake rod (24), and the other end of the spring is pressed by a spiral cover (.
2. A jack that is quickly raised as claimed in claim 1, wherein: one end of a screw rod (19) passes through the axle center of a grip (4), the tail end of the screw rod extends out, a gear (27) arranged on the grip (4) is meshed with the screw rod (19), the outer diameter of one end of the screw rod (19) meshed with the gear (27) is provided with a plurality of uniformly distributed annular tooth grooves (5), the gear (27) and a U-shaped bracket (29) inserted into two sides of the gear (27) are arranged on the grip (4) through a gear shaft, the outer diameter of the gear (27) is an inward concave arc surface and is matched with the outer diameter of the screw rod (19), the mechanical brake device also comprises a pusher dog (28), the pusher dog (28) is movably connected with the right side of the upper part in the U-shaped bracket (29) through a pin shaft and is matched with the gear (27), a tension spring (26) arranged in a groove on the pin shaft presses the pusher dog (28) to be meshed with the gear (27), a brake rod (24) is arranged on the left side of the U-shaped bracket (29), and the spring (23, a roller (30) is arranged under the screw rod (19) right below the gear (27), and an operating rod (25) connected with the roller is arranged above the U-shaped bracket (29).
3. A jack that is quickly raised as claimed in claim 2, wherein: the gear (27) arranged on the handle (4) is also meshed with a middle gear (32), the middle gear (32) is meshed with a pinion (33), and the pinion (33) is meshed with the screw (19).
4. A jack that is quickly raised as claimed in claim 1, wherein: the handle (4) is provided with an axial groove (36), one side of the axial groove (36) is provided with a plurality of positioning grooves (34) at intervals, the positioning sleeve (2) is provided with a positioning rod (35), and the positioning rod (35) can move and be positioned in the axial groove (36) and the positioning grooves (34).
5. A jack that is quickly raised as claimed in claim 1, wherein: still include drive cylinder (46), in the one end pole portion of actuating lever (47) that stretches out from drive cylinder (46), insert scalable location regulation pole (48), ann spring (13) on actuating lever (47) and regulation pole (48), link (49) are installed to the one end of adjusting pole (48) not male, the one end of a plurality of back connecting rod (9) of difference swing joint on a plurality of connecting plate of drive cylinder (46) periphery, the other end of back connecting rod (9) and the one end swing joint of a plurality of even board (11), link a plurality of front connecting rod (14) are connected to the other end of board (11), the other end and the link (49) periphery a plurality of connecting plate of front connecting rod (14) are connected respectively.
6. A jack for rapid lifting as claimed in claim 1 or 5 wherein: the device also comprises a piston cylinder (41), an operating rod (25) is movably connected on a mounting rod (40) at the end part of the piston cylinder (41), the middle part of the operating rod (25) is movably connected with a piston (38) in the piston cylinder (41) by a connecting rod, the piston cylinder (41) is isolated from a driving cylinder (46) by a sealing cover (42) and communicated with an oil outlet pipe by an oil inlet pipe, the other end of the oil inlet pipe penetrates through a piston head at one end of a driving rod (47) arranged in the driving cylinder (46) and is movably mounted in a sealing way, an oil inlet check valve (39) is arranged on an oil inlet pipe close to the piston cylinder (41) in the driving cylinder (46), the other end of the oil outlet pipe is connected in the driving cylinder (46) through a hose, an oil outlet one-way valve (43) is arranged on the oil outlet pipe in the driving cylinder (46), the piston head which passes through the driving rod (47) is arranged in the driving cylinder (46) and is provided with an oil pipe which is movably arranged in a sealing way, and one end of the oil pipe close to the piston cylinder (41) is provided with a valve (44).
7. A jack that is quickly raised as claimed in claim 1, wherein: an eccentric gear (20) is arranged on the handle (4), and the eccentric gear (20) is meshed with an annular tooth groove (5) on the outer diameter of the telescopic sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101266726A CN101537989B (en) | 2008-09-19 | 2009-03-06 | Jack of quick lift |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810139860.8 | 2008-09-19 | ||
| CN200810139860 | 2008-09-19 | ||
| CN2009101266726A CN101537989B (en) | 2008-09-19 | 2009-03-06 | Jack of quick lift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101537989A CN101537989A (en) | 2009-09-23 |
| CN101537989B true CN101537989B (en) | 2012-02-01 |
Family
ID=41121430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101266726A Expired - Fee Related CN101537989B (en) | 2008-09-19 | 2009-03-06 | Jack of quick lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101537989B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583187A (en) * | 2011-01-12 | 2012-07-18 | 孙长顺 | Spring strip type conveying method |
| CN108189817A (en) * | 2016-05-30 | 2018-06-22 | 衢州市易凡设计有限公司 | A kind of three folding bridge-type deliverance apparatus of hydraulic pressure with self-locking |
| CN108275616A (en) * | 2016-05-30 | 2018-07-13 | 衢州市易凡设计有限公司 | A kind of method of suing and labouring of three folding rescue aid of light-duty hand-rail type expansion self-locking |
| CN105819385B (en) * | 2016-05-30 | 2018-01-19 | 衢州市易凡设计有限公司 | Rescue method of a hand-cranked three-fold tensile bridge rescue device |
| CN105946813B (en) * | 2016-05-30 | 2018-03-20 | 衢州市易凡设计有限公司 | A hydraulic three-fold tensile bridge rescue device |
| CN108002281A (en) * | 2016-05-30 | 2018-05-08 | 衢州市易凡设计有限公司 | A kind of method of suing and labouring of the cross slide rescue aid of hand-rail type expansion self-locking |
| CN108248570A (en) * | 2016-05-30 | 2018-07-06 | 衢州市易凡设计有限公司 | A kind of method of suing and labouring of the three folding bridge-type deliverance apparatus with self-locking hydraulic pressure |
| CN107934837A (en) * | 2016-05-30 | 2018-04-20 | 衢州市易凡设计有限公司 | A kind of equipment of hydraulic self-locking cross slide rescue |
| CN105836664B (en) * | 2016-05-30 | 2018-01-12 | 衢州市易凡设计有限公司 | A hand-cranked three-fold bridge rescue device |
| CN108217504A (en) * | 2016-05-30 | 2018-06-29 | 衢州市易凡设计有限公司 | A kind of supporting rod of the supporting heavy of semipermanent quick-expansion |
| CN108263989A (en) * | 2016-05-30 | 2018-07-10 | 衢州市易凡设计有限公司 | A kind of three hand folding bridge-type lightweight rescue aids |
| CN107963576A (en) * | 2016-05-30 | 2018-04-27 | 衢州市易凡设计有限公司 | A kind of method of suing and labouring of the cross slide deliverance apparatus of hand-rail type self-locking |
| CN108358116A (en) * | 2016-05-30 | 2018-08-03 | 衢州市易凡设计有限公司 | A kind of fluid pressure type cross sliding rail deliverance apparatus |
| CN108454824B (en) * | 2018-04-23 | 2021-07-13 | 哈尔滨工业大学 | A multi-stage telescopic wing mechanism |
| CN108669751A (en) * | 2018-05-04 | 2018-10-19 | 温岭斯凯乐流水线设备制造有限公司 | A kind of student learns to use multi-functional stationery box and its application method |
| CN111470444A (en) * | 2020-05-25 | 2020-07-31 | 宁波天益齿轴齿轮有限公司 | High-load jack |
| CN112332157B (en) * | 2020-11-24 | 2022-05-17 | 国创移动能源创新中心(江苏)有限公司 | Elastic protection device for chassis charging port |
| CN114455498B (en) * | 2022-01-26 | 2024-04-09 | 浙江工业大学 | A pump-controlled electro-hydraulic jack without external oil source |
| CN115259008A (en) * | 2022-07-13 | 2022-11-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Screw lift with telescopic and rotary lead screw |
| CN115057383B (en) * | 2022-07-18 | 2024-07-26 | 宁波天益齿轴齿轮有限公司 | High-efficiency hydraulic jack |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702458A (en) * | 1986-06-02 | 1987-10-27 | Kendrick Billy J | Quick release jack |
| CN2148070Y (en) * | 1993-01-28 | 1993-12-01 | 马同乐 | Fast lifting jack for car |
| CN2278683Y (en) * | 1996-10-18 | 1998-04-15 | 李子阳 | Quick rise-and-fall jack and its cranking bar |
| CN2434292Y (en) * | 2000-08-23 | 2001-06-13 | 黄健 | Quick lift jack |
| CN2575081Y (en) * | 2002-09-18 | 2003-09-24 | 台山市英利实业有限公司 | Electric jack |
| US6910677B1 (en) * | 2003-05-28 | 2005-06-28 | Terry R. Miller | Portable power jack device |
-
2009
- 2009-03-06 CN CN2009101266726A patent/CN101537989B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702458A (en) * | 1986-06-02 | 1987-10-27 | Kendrick Billy J | Quick release jack |
| CN2148070Y (en) * | 1993-01-28 | 1993-12-01 | 马同乐 | Fast lifting jack for car |
| CN2278683Y (en) * | 1996-10-18 | 1998-04-15 | 李子阳 | Quick rise-and-fall jack and its cranking bar |
| CN2434292Y (en) * | 2000-08-23 | 2001-06-13 | 黄健 | Quick lift jack |
| CN2575081Y (en) * | 2002-09-18 | 2003-09-24 | 台山市英利实业有限公司 | Electric jack |
| US6910677B1 (en) * | 2003-05-28 | 2005-06-28 | Terry R. Miller | Portable power jack device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101537989A (en) | 2009-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101537989B (en) | Jack of quick lift | |
| CN102267050B (en) | Hydraulic pretightening device for automatic regroup bolts | |
| US8366077B2 (en) | Jack structure for a clutch | |
| CN204279667U (en) | A kind of hydraulic lifting turning device of automobile cab | |
| CN110142722B (en) | Nut dismounting device for construction | |
| CN101597015B (en) | Hydraulic jacking mechanism | |
| CN201027153Y (en) | High-speed manual hydraulic jack | |
| CN107542637B (en) | Manual and pedal dual-purpose hydraulic pump | |
| CN209740588U (en) | Self-locking jack | |
| CN115057383B (en) | High-efficiency hydraulic jack | |
| CN201272670Y (en) | Separation type single-acting spherojoint earthquake rescuing hydraulic jack | |
| CN220745222U (en) | Jack appurtenance | |
| CN108425693A (en) | A kind of continuous setting prop pre-tightening apparatus of mechanical constant-resistance individual prop and method | |
| CN201161452Y (en) | Pneumatic and manual dual-purpose press | |
| CN215946608U (en) | Anti-falling safety device of hydraulic jack | |
| CN201272671Y (en) | Separation type double-acting spherojoint earthquake rescuing hydraulic jack | |
| CN213711011U (en) | Automatic locking mechanism of lock lever | |
| CN223573068U (en) | A flotation machine belt pulley remover | |
| CN104162875B (en) | A kind of special tooling for the assembling of jack stage clip | |
| CN201124575Y (en) | Hydraulic drawing device of press | |
| CN107215803B (en) | Oil pressure type jack | |
| CN207027370U (en) | A kind of hydraulic turbine connecting lever connecting shaft, set extracting tool | |
| CN113955664B (en) | Hydraulic pump device for hydraulic jack | |
| CN206017113U (en) | Multi-purpose tool for hydraulic adjustment and balance of pumping unit | |
| CN2247584Y (en) | Hydraulic self-clamp device for detaching wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA CONSTRUCTION INDUSTRIAL EQUIPMENT INSTALLATI Free format text: FORMER OWNER: BAI TIANHAI Effective date: 20100430 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250014 NO.274, JINGSHI EAST ROAD, JINAN CITY, SHANDONG PROVINCE TO: 210046 NO.9, YAOJIA ROAD, XIXIA DISTRICT, NANJING CITY, JIANGSU PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20100430 Address after: Qixia District of Nanjing City, Jiangsu province 210046 Yao Jia Lu No. 9 Applicant after: China Construction Industrial Equipment Installation Co., Ltd. Address before: 250014, No. ten East 274 Road, Shandong, Ji'nan Applicant before: Bai Tianhai |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CCEED INDUSTRIAL EQUIPMENT INSTALLATION CO., LTD. Free format text: FORMER NAME: CHINA CONSTRUCTION INDUSTRIAL EQUIPMENT INSTALLATION CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Yaohuamen Yao Jia Lu Qixia District of Nanjing City, Jiangsu Province, No. 9 210046 Patentee after: China Construction Industrial Equipment Installation Co., Ltd. Address before: Qixia District of Nanjing City, Jiangsu province 210046 Yao Jia Lu No. 9 Patentee before: China Construction Industrial Equipment Installation Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20190306 |