CN112299306A - Workshop material is handheld machine fork truck for transport - Google Patents
Workshop material is handheld machine fork truck for transport Download PDFInfo
- Publication number
- CN112299306A CN112299306A CN202011216999.5A CN202011216999A CN112299306A CN 112299306 A CN112299306 A CN 112299306A CN 202011216999 A CN202011216999 A CN 202011216999A CN 112299306 A CN112299306 A CN 112299306A
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- China
- Prior art keywords
- brake
- fixedly connected
- block
- forklift
- piece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07572—Propulsion arrangements
Abstract
The invention relates to the technical field of hydraulic forklifts, and discloses a handheld forklift for workshop material handling. Through the brake spare, the slider, the setting of movable block, when this hydraulic fork truck need brake, the control pneumatic cylinder extension, the movable block removes, make the slider stretch out downwards to gradually at compression spring's elasticity effect, until the clutch blocks and the contact of walking wheel, it is along with rotatory to drive the brake spare main part under the frictional force effect, and jack-up will walk the wheel when rotatory walking bottom the wheel, brake, not only can carry out quick braking when needs are braked hydraulic fork truck, and the brake spare can replace walking wheel and ground to take place the friction when braking, can prevent that the walking wheel from taking place the eccentric wear when braking, cause the walking wheel damage, the life of extension walking wheel.
Description
Technical Field
The invention relates to the technical field of hydraulic forklifts, in particular to a handheld forklift for workshop material handling.
Background
Hand-held forklift, i.e. hand-operated hydraulic forklift, also called hand-lifting loading and short-distance transportation dual-purpose vehicle, because no spark and electromagnetic field are generated. The lifting device is particularly suitable for automobile loading and unloading and loading and unloading transportation of inflammable, explosive and fire-forbidden articles in places such as workshops, warehouses, docks, stations, goods yards and the like, and has the characteristics of balanced lifting, flexible rotation, convenient operation and the like.
However, the conventional hand-held forklift still has the following problems in the actual use process: firstly, the traditional hand-held mechanical forklift does not have a brake device, which leads to that the running speed of the hydraulic forklift must be strictly controlled when the hydraulic forklift transports goods to prevent the goods from being out of control, but the hand-held hydraulic forklift only depends on manpower to operate, and unsafe factors exist, especially when the hand-held hydraulic forklift goes up and down a slope, the hydraulic forklift in goods transportation is difficult to control only by workers, once the conditions that the speed of the forklift going down the slope is too fast, or the forklift runs down the slope and the like occur, the goods are easy to be damaged in transportation, economic loss is caused, and the personal safety of the workers can be damaged, therefore, the brake device which can automatically limit the speed and brake quickly when the hydraulic forklift is transported is designed.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the handheld forklift for workshop material handling, which has the advantages of automatically limiting the running speed of the hydraulic forklift, quickly braking and preventing the walking wheels from being seriously worn, and solves the problems in the background technology.
The invention provides the following technical scheme: a handheld forklift for workshop material handling comprises a carrying plate, wherein a roller is movably sleeved at the bottom of one end of the carrying plate, a support is fixedly connected to the upper part of the other end of the carrying plate, a supporting plate is movably sleeved at one side of the support, a connecting piece is fixedly connected to the upper part of the supporting plate, a pushing handle is movably sleeved at the upper end of the connecting piece, a supporting shaft is fixedly connected to the bottom of the supporting plate, a travelling wheel is movably sleeved at the bottom of the supporting shaft, brake pieces are movably sleeved at two sides of the travelling wheel, a fixing device is arranged at the upper end of each brake piece, a plurality of groups of compression springs are fixedly arranged in each brake piece, a sliding block is fixedly connected to the other end of each compression spring, a friction block is fixedly connected to the other end of each sliding block, hydraulic oil cavities are formed in two sides of, the brake pad is characterized in that movable blocks are movably sleeved on two sides of the limiting groove, one end of each movable block, extending out of the corresponding brake piece, is fixedly connected with an elastic piece, a hydraulic cylinder fixedly connected with the movable blocks is arranged in the middle of each elastic piece, and a brake pad movably sleeved with the corresponding brake piece is arranged at the bottom of each hydraulic oil cavity.
Preferably, the roller comprises a roller body, a friction ring and a liquid storage cavity formed in the friction ring, six groups of reset springs which are arranged in an equal circumference mode are fixedly installed in the roller body, a piston block is fixedly connected to the other end of each reset spring, and ejector blocks movably sleeved with the roller body are installed on two sides of the liquid storage cavity.
Preferably, fixing device includes the fixed block with backup pad fixed connection and installs the stopper in brake spare upper end both sides, the equal fixed mounting in both sides of fixed block has supporting spring, supporting spring's other end fixedly connected with shelves pole, the shelves pole contacts with the stopper when not braking.
Preferably, the bottom of the sliding block is provided with a conical surface, and the conical surface is matched with an inclined surface of one end, close to the sliding block, of the movable block.
Preferably, the upper end surface of the brake piece is a non-smooth plane made of a friction plate.
The invention has the following beneficial effects:
1. through the arrangement of the brake piece, the slide block and the movable block, when the hydraulic forklift needs to brake, the hydraulic cylinder is controlled to extend to drive the movable blocks at two sides to move, in the moving process of the movable block, the sliding block gradually extends downwards under the action of the elastic force of the compression spring until the friction block is contacted with the travelling wheel, the brake piece body is driven to rotate along with the rotation under the action of friction force, the brake piece loses the limitation of the fixing device and rotates to the bottom of the walking wheel until the walking wheel is jacked up, the sliding friction between the walking wheel and the ground of the hydraulic forklift is changed into the sliding friction between the brake piece and the ground for braking, the hydraulic forklift can be quickly braked when the hydraulic forklift needs to be braked, and the brake spare can replace the walking wheel to take place the friction with ground when the braking, can prevent that the walking wheel from taking place the eccentric wear when braking, causes the walking wheel damage, prolongs the life of walking wheel.
2. Through the piston piece, the kicking block, the setting of friction ring, if this hydraulic fork truck when speeding because downhill path or staff error cause hydraulic fork truck transportation goods, because the gyro wheel can be fast rotatory, the piston piece overcomes reset spring's pulling force under centrifugal force effect this moment and moves to the outside, and extrude hydraulic oil, make the kicking block of both sides ejecting and the contact of friction ring, carry out the speed limit to the gyro wheel, and along with the gyro wheel speed is faster, centrifugal force is big more, the kicking block is big more with friction ring frictional force promptly, thereby reach the effect of carrying out the speed limit to hydraulic fork truck is automatic according to the speed of fork truck operation.
Drawings
FIG. 1 is a schematic view of a hydraulic lift truck of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the brake mounting arrangement of the present invention;
FIG. 4 is a schematic view of the installation of the movable block of the structure of the present invention;
FIG. 5 is an enlarged view of the structure A of the present invention;
FIG. 6 is a schematic view of the interior of a roller according to the present invention;
FIG. 7 is a schematic cross-sectional view of the middle portion of the roller according to the present invention.
In the figure: 1. a loading plate; 2. a roller; 21. a wheel body; 22. a return spring; 23. a piston block; 24. a liquid storage cavity; 25. a top block; 26. a friction ring; 3. a support; 4. a support plate; 5. a connecting member; 6. a push handle; 7. a support shaft; 8. a traveling wheel; 9. a braking member; 10. a fixing device; 101. a fixed block; 102. a limiting block; 103. a support spring; 104. a gear lever; 11. a compression spring; 12. a slider; 13. a friction block; 14. a movable block; 15. a limiting groove; 16. an elastic member; 17. a hydraulic cylinder; 18. a hydraulic oil chamber; 19. a brake pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a handheld forklift for workshop material handling comprises a carrying plate 1, a roller 2 is movably sleeved at the bottom of one end of the carrying plate 1, a support 3 is fixedly connected to the upper portion of the other end of the carrying plate 1, a support plate 4 is movably sleeved at one side of the support 3, a connecting piece 5 is fixedly connected to the upper portion of the support plate 4, a push handle 6 is movably sleeved at the upper end of the connecting piece 5, a support shaft 7 is fixedly connected to the bottom of the support plate 4, a walking wheel 8 is movably sleeved at the bottom of the support shaft 7, brake pieces 9 are movably sleeved at two sides of the walking wheel 8, the upper end surface of each brake piece 9 is a non-smooth plane made of a friction plate, a fixing device 10 is arranged at the upper end of each brake piece 9, a plurality of groups of compression springs 11 are fixedly installed inside each brake piece 9, a slide block 12 is, the hydraulic oil cavity 18 is formed in each of two sides of the brake piece 9, the limiting groove 15 is formed in the front face of the brake piece 9, the movable blocks 14 are movably sleeved on two sides of the limiting groove 15, one end, extending out of the brake piece 9, of each movable block 14 is fixedly connected with an elastic piece 16, a hydraulic cylinder 17 fixedly connected with the movable blocks 14 is arranged in the middle of each elastic piece 16, and a brake block 19 movably sleeved with the brake piece 9 is arranged at the bottom of each hydraulic oil cavity 18.
Wherein, the roller 2 comprises a roller body 21, a friction ring 26 and a liquid storage cavity 24 arranged in the friction ring, six groups of reset springs 22 which are arranged in the same circumference are fixedly arranged in the roller body 21, the other end of the reset spring 22 is fixedly connected with a piston block 23, two sides of the liquid storage cavity 24 are both provided with ejector blocks 25 which are movably sleeved with the roller body 21, if the hydraulic forklift is driven at an overspeed when the hydraulic forklift transports goods due to downhill or error of workers, since the roller 2 is rotated rapidly, the piston block 23 is moved outward against the tensile force of the return spring 22 by the centrifugal force, and presses the hydraulic oil so that the ejector pads 25 on both sides are ejected out to contact with the friction ring 26, the speed of the roller 2 is limited, and as the speed of the roller 2 is faster, the centrifugal force is larger, namely, the friction force between the top block 25 and the friction ring 26 is larger, so that the function of automatically limiting the speed of the hydraulic forklift according to the running speed of the forklift is achieved.
Wherein, fixing device 10 includes fixed block 101 with backup pad 4 fixed connection and installs the stopper 102 in the both sides of brake spare 9 upper end, the equal fixed mounting in both sides of fixed block 101 has supporting spring 103, the other end fixedly connected with shelves pole 104 of supporting spring 103, shelves pole 104 contacts with stopper 102 when not braking, through the setting of fixing device 10, when this hydraulic fork truck normal speed work, stopper 102 that brake spare 9 upper end set up will contact with shelves pole 104, and stopper 102 will support tightly with shelves pole 104 all the time under the supporting force effect of supporting spring 103, make brake spare 9 keep upright state when this hydraulic fork truck normal operating, can not cause the influence to this hydraulic fork truck's normal operating.
Wherein, the bottom of the slide block 12 is provided with a conical surface, and is matched with the inclined plane of one end of the movable block 14 close to the slide block 12, when the hydraulic forklift needs to brake, the hydraulic cylinder 17 extends to drive the movable blocks 14 at two sides to move, in the moving process of the movable block 14, the slide block 12 gradually extends downwards under the elastic action of the compression spring 11 until the friction block 13 contacts with the walking wheel 8, the main body of the brake piece 9 is driven to rotate along with the rotation under the action of the friction force, the brake piece 9 loses the limitation of the fixing device 10, the rotation is carried out to the bottom of the walking wheel 8 until the walking wheel 8 is jacked up, the sliding friction of the hydraulic forklift from the walking wheel 8 and the ground is changed into the sliding friction force of the brake piece 9 and the ground to brake, not only can be quickly braked when the hydraulic forklift needs to brake, but also the brake piece 9 can replace the, can prevent that walking wheel 8 from taking place the eccentric wear when braking, cause 8 injuries of walking wheel, prolong 8's of walking wheel.
According to the working principle, after goods are installed on the carrying plate 1, a worker holds the pushing handle by hand to transport the goods, if the hydraulic forklift runs at an overspeed when transporting the goods due to downhill or error of the worker, the roller 2 can rotate rapidly, so that the ejector blocks 25 on two sides are ejected out to be in contact with the friction ring 26 to limit the speed of the roller 2, and the centrifugal force is larger along with the higher speed of the roller 2, namely the friction force between the ejector blocks 25 and the friction ring 26 is larger, so that the effect of automatically limiting the speed of the hydraulic forklift according to the running speed of the forklift is achieved; when the hydraulic forklift needs to brake, the hydraulic cylinder 17 is controlled to extend to drive the movable blocks 14 at two sides to move, in the moving process of the movable blocks 14, the sliding block 12 gradually extends downwards under the elastic action of the compression spring 11 until the friction block 13 is contacted with the walking wheels 8, the main body of the brake piece 9 is driven to rotate under the action of friction force, the brake piece 9 loses the limitation of the fixing device 10 and rotates to the bottom of the walking wheels 8 until the walking wheels 8 are jacked up, the sliding friction between the walking wheels 8 and the ground of the hydraulic forklift is changed into the sliding friction between the brake piece 9 and the ground for braking, not only can the hydraulic forklift be quickly braked when the hydraulic forklift needs to be braked, but also the brake piece 9 can replace the walking wheels 8 to rub against the ground when the brake is carried out, the walking wheels 8 can be prevented from being worn eccentrically when the brake is carried out, the damage to the walking wheels 8 is caused, and the brake piece 9 is rotated to the position right above the travelling wheel 8 after braking, and is fixed by the fixing device 10, so that the brake piece can be used again.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a workshop material handling is with cell-phone fork truck, is including carrying thing board (1), gyro wheel (2) have been cup jointed in the bottom activity of carrying thing board (1) one end, upper portion fixedly connected with support (3) of carrying thing board (1) other end, backup pad (4) have been cup jointed in one side activity of support (3), the upper portion fixedly connected with connecting piece (5) of backup pad (4), the upper end activity of connecting piece (5) has been cup jointed and has been pushed away (6), the bottom fixedly connected with back shaft (7) of backup pad (4), walking wheel (8), its characterized in that have been cup jointed in the bottom activity of back shaft (7): brake pieces (9) are movably sleeved on two sides of the travelling wheel (8), a fixing device (10) is arranged at the upper end of each brake piece (9), a plurality of groups of compression springs (11) are fixedly arranged in the brake piece (9), the other end of the compression spring (11) is fixedly connected with a sliding block (12), the other end of the sliding block (12) is fixedly connected with a friction block (13), both sides of the brake piece (9) are provided with hydraulic oil cavities (18), the front surface of the brake piece (9) is provided with a limit groove (15), the two sides of the limit groove (15) are movably sleeved with movable blocks (14), one end of each movable block (14) extending out of the brake piece (9) is fixedly connected with an elastic piece (16), a hydraulic cylinder (17) fixedly connected with the movable block (14) is arranged in the middle of the elastic piece (16), and a brake block (19) movably sleeved with the brake piece (9) is arranged at the bottom of the hydraulic oil cavity (18).
2. The hand-held forklift for workshop materials handling of claim 1, wherein: the roller (2) comprises a roller body (21), a friction ring (26) and a liquid storage cavity (24) formed in the friction ring, six groups of reset springs (22) which are arranged in an equal circumference mode are fixedly arranged in the roller body (21), the other ends of the reset springs (22) are fixedly connected with piston blocks (23), and ejector blocks (25) movably sleeved with the roller body (21) are mounted on two sides of the liquid storage cavity (24).
3. The hand-held forklift for workshop materials handling of claim 1, wherein: fixing device (10) include with backup pad (4) fixed connection fixed block (101) and install stopper (102) in brake spare (9) upper end both sides, the equal fixed mounting in both sides of fixed block (101) has supporting spring (103), the other end fixedly connected with shelves pole (104) of supporting spring (103), shelves pole (104) contact with stopper (102) when not braking.
4. The hand-held forklift for workshop materials handling of claim 1, wherein: the bottom of the sliding block (12) is provided with a conical surface, and the conical surface is matched with an inclined surface at one end, close to the sliding block (12), of the movable block (14).
5. The hand-held forklift for workshop materials handling of claim 1, wherein: the upper end face of the brake piece (9) is a non-smooth plane made of a friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011216999.5A CN112299306B (en) | 2020-11-04 | 2020-11-04 | Workshop material is handheld machine fork truck for transport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011216999.5A CN112299306B (en) | 2020-11-04 | 2020-11-04 | Workshop material is handheld machine fork truck for transport |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112299306A true CN112299306A (en) | 2021-02-02 |
| CN112299306B CN112299306B (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011216999.5A Active CN112299306B (en) | 2020-11-04 | 2020-11-04 | Workshop material is handheld machine fork truck for transport |
Country Status (1)
| Country | Link |
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| CN (1) | CN112299306B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162197A (en) * | 2021-12-10 | 2022-03-11 | 宣城鑫途智能装备有限公司 | Braking device of quick switching trolley for assembling automobile parts |
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| JPH10250541A (en) * | 1997-03-17 | 1998-09-22 | Toyota Autom Loom Works Ltd | Brake hydraulic pressure control device |
| JP2001247018A (en) * | 2000-03-07 | 2001-09-11 | Tadashi Akashi | Vehicle emergency braking device |
| CN101592200A (en) * | 2009-06-16 | 2009-12-02 | 王世新 | Hydraulic brake |
| JP2011063111A (en) * | 2009-09-17 | 2011-03-31 | Nien-Min Tai | Brake structure of hydraulic pallet truck |
| CN102514555A (en) * | 2011-12-28 | 2012-06-27 | 朱洪儒 | Vehicle and brake system |
| CN107117139A (en) * | 2017-05-16 | 2017-09-01 | 张蓉 | A kind of brake energy recovery system based on flywheel |
| CN107265366A (en) * | 2017-06-06 | 2017-10-20 | 上海海事大学 | A kind of railway contact line maintenance tower wagon with driving, brake and apparatus capable of fluctuating |
| CN108017018A (en) * | 2016-10-31 | 2018-05-11 | 天津启智成科技有限公司 | A kind of handling is dedicated can shock-absorbing type hand pulling type hydraulic forklift |
| CN109592606A (en) * | 2019-01-24 | 2019-04-09 | 东莞市久能机械有限公司 | Multifunctional carrier |
| CN110331534A (en) * | 2019-07-31 | 2019-10-15 | 毛祥溪 | A kind of woven fabric cleaning drying device |
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2020
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250541A (en) * | 1997-03-17 | 1998-09-22 | Toyota Autom Loom Works Ltd | Brake hydraulic pressure control device |
| JP2001247018A (en) * | 2000-03-07 | 2001-09-11 | Tadashi Akashi | Vehicle emergency braking device |
| CN101592200A (en) * | 2009-06-16 | 2009-12-02 | 王世新 | Hydraulic brake |
| JP2011063111A (en) * | 2009-09-17 | 2011-03-31 | Nien-Min Tai | Brake structure of hydraulic pallet truck |
| CN102514555A (en) * | 2011-12-28 | 2012-06-27 | 朱洪儒 | Vehicle and brake system |
| CN108017018A (en) * | 2016-10-31 | 2018-05-11 | 天津启智成科技有限公司 | A kind of handling is dedicated can shock-absorbing type hand pulling type hydraulic forklift |
| CN107117139A (en) * | 2017-05-16 | 2017-09-01 | 张蓉 | A kind of brake energy recovery system based on flywheel |
| CN107265366A (en) * | 2017-06-06 | 2017-10-20 | 上海海事大学 | A kind of railway contact line maintenance tower wagon with driving, brake and apparatus capable of fluctuating |
| CN109592606A (en) * | 2019-01-24 | 2019-04-09 | 东莞市久能机械有限公司 | Multifunctional carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162197A (en) * | 2021-12-10 | 2022-03-11 | 宣城鑫途智能装备有限公司 | Braking device of quick switching trolley for assembling automobile parts |
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| CN112299306B (en) | 2022-06-10 |
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Effective date of registration: 20220518 Address after: 315000 No. 599, Zhenxing South Road, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province (self declaration) Applicant after: Zhejiang Jiuyun Automation Technology Co.,Ltd. Address before: 471003 Yijiang Industrial Park, No.8 Zhuofei Road, Jianxi District, Luoyang City, Henan Province Applicant before: Feng Chaofeng |
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