CN114260866A - Agricultural machinery maintenance prevents device of turning on one's side - Google Patents
Agricultural machinery maintenance prevents device of turning on one's side Download PDFInfo
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- CN114260866A CN114260866A CN202210071743.2A CN202210071743A CN114260866A CN 114260866 A CN114260866 A CN 114260866A CN 202210071743 A CN202210071743 A CN 202210071743A CN 114260866 A CN114260866 A CN 114260866A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 44
- 230000002265 prevention Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 238000012271 agricultural production Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008602 contraction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention relates to the field of agricultural production, in particular to a device for preventing agricultural machinery from being turned on during maintenance, which comprises a supporting bottom plate, a supporting top plate, a placing table, an auxiliary supporting assembly, a triggering assembly and a driving assembly, wherein the placing table is connected to the upper part of the supporting top plate in a sliding mode, the auxiliary supporting assembly comprises a telescopic connecting rod which is connected to the bottom of the supporting top plate in a rotating mode, auxiliary supporting of the supporting top plate is carried out when the placing table slides, and meanwhile the triggering assembly and the driving assembly are respectively used for driving the telescopic connecting rod to rotate to a preset angle and carry out telescopic supporting when the placing table slides to a preset stroke.
Description
Technical Field
The invention relates to the field of agricultural production, in particular to a rollover prevention device for maintenance of agricultural machinery.
Background
With the rapid development of agricultural technology in China, more and more specialized and mechanized agricultural equipment replaces traditional production equipment, so that the efficiency of agricultural production is improved, the manpower requirement of agricultural production is reduced, and a large amount of manpower resources are liberated to engage in other industries.
Along with the use of agricultural machinery in a large number, daily maintenance tasks of agricultural machinery also increase gradually, wherein a large amount of agricultural machinery maintenance tasks need the operation personnel to carry out the operation on the spot, and the operation personnel uses simple and easy maintenance platform to place the agricultural machinery that damages usually, and the agricultural machinery probably takes place the displacement to rock in the in-process of maintenance, can lead to placing the maintenance device unstability of agricultural machinery to turn on one's side in the serious time, seriously influences agricultural machinery and operation personnel's safety.
Disclosure of Invention
The invention aims to provide a rollover prevention device for maintenance of agricultural machinery, which aims to solve the problem that after an operator usually uses a simple maintenance platform to place a damaged agricultural machinery, the agricultural machinery may be displaced in the maintenance process, and the maintenance device for placing the agricultural machinery may be unstably turned over when the maintenance device is serious.
In order to achieve the above object, the present invention provides a device for preventing side turning during maintenance of agricultural machinery, which comprises a supporting bottom plate and a supporting top plate, wherein a lifting assembly is arranged on the supporting bottom plate, the lifting assembly is connected with the supporting top plate and is used for adjusting the height of the supporting top plate, and the device further comprises:
the placing table is connected to the upper part of the supporting top plate in a sliding mode and used for placing the agricultural machine to be maintained;
the auxiliary supporting assemblies are used for supporting the auxiliary support of the top plate when the placing table slides, and comprise telescopic connecting rods and first elastic pieces, fixed ends of the telescopic connecting rods are rotatably connected to the bottom of the supporting top plate, one ends of the first elastic pieces are connected to rod bodies of the telescopic connecting rods, the other ends of the first elastic pieces are connected to supporting columns at the bottom of the supporting top plate, and the first elastic pieces are used for driving movable ends of the telescopic connecting rods to rotate towards the ground;
the trigger assembly is arranged in a placing cavity formed in the upper portion of the supporting top plate and comprises a second elastic piece, a driving block, a transmission portion and a limiting block, wherein the driving block is connected to the bottom of the placing table and connected with the transmission portion through the second elastic piece, the transmission portion is connected with one end of the limiting block, the other end of the limiting block acts in a limiting hole formed in the telescopic connecting rod through a communicating hole in the bottom of the placing cavity, the limiting block is matched with the limiting hole and used for fixing and limiting the telescopic connecting rod, the transmission portion is driven to move through sliding of the placing table to drive the limiting block to be accommodated in the communicating hole and separated from the limiting hole, and the telescopic connecting rod can be driven by the first elastic piece to rotate;
when the agricultural machinery is used, when the agricultural machinery is displaced and drives the placing table to slide in the maintenance process, the driving block drives the corresponding limiting block to move through the transmission of the second elastic piece and the transmission part and to be accommodated in the communicating hole, when the limiting block is separated from the limiting hole of the telescopic connecting rod, the telescopic connecting rod is driven to rotate towards the ground through the first elastic piece, the telescopic connecting rod is still in a contraction state at the moment, when the telescopic connecting rod rotates to a preset angle, the telescopic connecting rod is abutted to the supporting column at the bottom of the supporting top plate and drives the driving assembly to act on the telescopic connecting rod, so that the telescopic connecting rod is extended, and the movable end of the telescopic connecting rod is abutted to the ground for supporting;
according to the invention, the placing table is used as a trigger signal to move and slide along with the agricultural machine, so that the automatic auxiliary supporting operation of the device is realized, and the stability of the device is improved.
As a further scheme of the invention, the transmission part comprises two groups of wedge blocks in sliding connection with inclined surfaces, the two groups of wedge blocks are respectively in sliding connection with the placing cavity, one group of wedge blocks is connected with the driving block through the second elastic piece, the other group of wedge blocks is connected with the limiting block, the limiting blocks on the corresponding side are driven to be accommodated into the communicating hole when the placing table slides to one side through sliding fit of the two groups of wedge blocks, meanwhile, the connecting sides of the inclined surfaces of the two groups of wedge blocks are respectively provided with the guide blocks and the guide grooves, and separation of the two groups of wedge blocks is avoided through matching of the guide blocks and the guide grooves.
As a further scheme of the invention, two sets of stop blocks are arranged in the placing cavity and used for limiting the moving stroke of the driving block, wherein the stop block close to one side of the driving block is used for limiting the maximum sliding stroke of the placing table, and the stop block far away from the driving block is used for preventing the transmission part and the limiting column on the side from moving when the placing table slides to a direction different from the side direction, so that the telescopic connecting rod on the side is prevented from rotating.
As a further scheme of the invention, the telescopic connecting rod comprises a fixed sleeve and a movable rod, a sliding cavity for the movable rod to slide is arranged in the fixed sleeve, and one end of the movable rod is elastically connected with the sealing end of the fixed sleeve through a third elastic part;
the device also comprises a driving assembly which is arranged on the telescopic connecting rod and is used for being matched with the supporting column to stretch the telescopic connecting rod when the telescopic connecting rod rotates to a preset position;
specifically, the driving assembly comprises a driving column and a clamping block elastically connected with the driving column, one end of the driving column and one end of the clamping block are slidably connected into a mounting hole formed in the fixed sleeve, the other end of the clamping block is slidably connected into a mounting hole formed in the movable rod, when the telescopic connecting rod rotates to be connected with the supporting column, the driving block drives the clamping block to be completely accommodated into the mounting hole of the movable rod under the driving of the tail end of the supporting column, and the movable rod extends out of the fixed sleeve in a loosening state;
further supplementarily, the support column end is equipped with the butt seat, the butt seat is used for rotating with telescopic link and drives the operation with the driving block butt when predetermineeing the position, promotes the driving block and removes.
As a further scheme of the invention, the lifting assembly comprises a plurality of groups of transmission connecting rods, each transmission connecting rod comprises two groups of transmission rods connected in an X structure, fixed ends of the two groups of transmission rods are respectively and rotatably connected to fixed seats arranged on the supporting bottom plate and the supporting top plate, movable ends of the two groups of transmission rods are respectively and rotatably connected to sliding grooves formed in the supporting bottom plate and the supporting top plate, movable ends of the plurality of groups of transmission rods are connected through connecting rods, and the connecting rods are connected with driving pieces arranged on the supporting bottom plate through connecting plates.
Compared with the prior art, when the agricultural machine is used, when the agricultural machine displaces and drives the placing table to slide in the maintenance process, the telescopic connecting rod in the moving direction of the placing table is driven to rotate towards the ground through the trigger assembly, and meanwhile, the telescopic connecting rod is still in a contraction state.
Drawings
Fig. 1 is a schematic structural diagram of a device for preventing agricultural machinery from rolling over during maintenance.
Fig. 2 is a schematic view of the connection between the top supporting plate and the placing table provided by the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
Fig. 4 is an enlarged schematic view of the invention at B in fig. 2.
Fig. 5 is a schematic structural view of the telescopic link according to the present invention in a telescopic state.
Fig. 6 is an enlarged schematic view of the invention at C in fig. 5.
Fig. 7 is a schematic structural diagram of the lifting assembly provided in the present invention.
Fig. 8 is a schematic structural view of a telescopic link according to the present invention.
Fig. 9 is a schematic structural diagram of a wedge-shaped block provided by the present invention.
In the drawings: 1-a support floor; 2-supporting the top plate; 201-support column; 2011-abutment seat; 3-a lifting assembly; 301-a drive link; 302-a fixed seat; 303-a sliding groove; 304-a connecting rod; 4-driving the cylinder; 401-connecting plate; 5, placing a table; 6-an auxiliary support component; 601-a telescopic link; 6011-a movable rod; 6012-a third resilient member; 6013-fixing the sleeve; 602-a first resilient member; 7-a trigger component; 701-a driving block; 702-a second resilient member; 703-a wedge block; 704-a limiting block; 8-a drive assembly; 801-a clamping block; 802-drive column; 803-fourth spring.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
As shown in fig. 1 and 2, in the embodiment of the invention, an agricultural machinery maintenance rollover prevention device comprises a support bottom plate 1 and a support top plate 2, wherein a lifting assembly 3 is arranged on the support bottom plate 1, the lifting assembly 3 is connected with the support top plate 2 and is used for adjusting the height of the support top plate 2, and the device further comprises a placing table 5 which is connected to the upper part of the support top plate 2 in a sliding manner and is used for placing an agricultural machinery to be maintained;
as shown in fig. 2 and 4, the auxiliary support assemblies 6, which are multiple in number, are used for supporting the auxiliary support of the top plate 2 when the placing table 5 slides, and include a telescopic link 601 and a first elastic member 602, a fixed end of the telescopic link 601 is rotatably connected to the bottom of the top plate 2, one end of the first elastic member 602 is connected to a rod body of the telescopic link 601, and the other end of the first elastic member is connected to the supporting column 201 at the bottom of the top plate 2, the first elastic member 602 is used for driving a movable end of the telescopic link 601 to rotate towards the ground, wherein when the telescopic link 601 is in a retracted state, the first elastic member 602 is used for providing a pulling force for driving the telescopic link 601 to rotate;
as shown in fig. 3, the trigger assembly 7 is disposed in a placing cavity formed in the upper portion of the supporting top plate 2, and includes a second elastic member 702, a driving block 701, a transmission portion and a limiting block 704, wherein the driving block 701 is connected to the bottom of the placing table 5, the driving block 701 is connected to the transmission portion through the second elastic member 702, the transmission portion is connected to one end of the limiting block 704, the other end of the limiting block 704 acts on a limiting hole formed in the telescopic connecting rod 601 through a communication hole formed in the bottom of the placing chamber, the limiting block 704 is matched with the limiting hole and used for fixing and limiting the telescopic connecting rod 601, the transmission portion is driven to move by the placing table 5 in a sliding manner to drive the limiting block 704 to be accommodated in the communication hole and separated from the limiting hole, and at this time, the telescopic connecting rod 601 can be driven by the first elastic member 602 to rotate;
when the agricultural machinery is used, when the agricultural machinery displaces and drives the placing table 5 to slide in the maintenance process, the driving block 701 drives the corresponding limiting block 704 to move and store in the communicating hole through the transmission of the second elastic piece 702 and the transmission part, when the limiting block 704 is separated from the limiting hole of the telescopic connecting rod 601, the telescopic connecting rod 601 is driven to rotate towards the ground through the first elastic piece 602, and at the moment, the telescopic connecting rod 601 is still in a contraction state;
as shown in fig. 5, when the telescopic link 601 rotates to a predetermined angle, the telescopic link 601 abuts against the supporting pillar 201 at the bottom of the supporting top plate 2, and drives the driving assembly 8 to act on the telescopic link 601, so that the telescopic link 601 extends, and the movable end of the telescopic link 601 abuts against the ground.
As shown in fig. 6, in the embodiment of the present invention, the transmission portion includes two sets of wedge blocks 703 connected in a sliding manner on the inclined surface, the two sets of wedge blocks 703 are respectively connected in a sliding manner on the placing cavity, one set of wedge blocks 703 is connected with the driving block 701 through the second elastic member 702, the other set of wedge blocks 703 is connected with the limiting block 704, and the two sets of wedge blocks 703 are in sliding fit, so that when the placing table 5 slides to one side, the limiting block 704 on the corresponding side is driven to be accommodated in the communicating hole;
meanwhile, as shown in fig. 9, the inclined connection sides of the wedges 703 are respectively provided with a guide groove, and the two sets of wedges 703 are prevented from being separated by the cooperation of the guide grooves;
in practice, of course, other components with transmission capability may be used, for example, a transmission link structure may be used, and the driving block 701 and the limiting block 704 are in transmission connection through the transmission link 301 structure, so that the driving block 701 can drive the limiting block 704 to move during displacement,
as shown in fig. 1, in the embodiment of the present invention, two sets of stoppers 705 are disposed in the placing cavity, the two sets of stoppers 705 are mounted on the top supporting plate 2, the two sets of stoppers 705 are used for limiting the moving stroke of the driving block 701, wherein the stopper 705 near the driving block 701 is used for limiting the maximum sliding stroke of the placing table 5, and the stopper 705 far from the driving block 701 is used for preventing the driving part and the stopper on the side from moving when the placing table 5 slides to a direction different from the side direction, so as to prevent the telescopic link 601 on the side from rotating.
As shown in fig. 8, in the embodiment of the present invention, the telescopic link 601 includes a fixed sleeve 6013 and a movable rod 6011, a sliding cavity for the movable rod 6011 to slide is disposed in the fixed sleeve 6013, one end of the movable rod 6011 is elastically connected to a sealing end of the fixed sleeve 6013 through a third elastic member 6012, and when the movable rod 6011 is accommodated in the fixed sleeve 6013, the third elastic member 6012 is in a compressed state;
the device further comprises a driving assembly 8 which is arranged on the telescopic connecting rod 601 and used for being matched with the supporting column 201 to stretch and retract the telescopic connecting rod 601 when the telescopic connecting rod 601 rotates to a preset position.
Specifically, as shown in fig. 5, the driving assembly 8 includes a driving column 802 and a clamping block 801, the driving column 802 and the clamping block 801 are elastically connected through a fourth elastic member 803, one end of the driving column 802 and one end of the clamping block 801 are slidably connected in a mounting hole formed in a fixed sleeve 6013, the other end of the clamping block 801 is slidably connected in a mounting hole formed in a movable rod 6011, when the telescopic link 601 rotates to be connected with the supporting column 201, the driving block 701 drives the clamping block 801 to be completely accommodated in the mounting hole of the movable rod 6011 by the end of the supporting column 201, the movable rod 6011 is in a relaxed state, and the movable rod 6011 extends out of the fixed sleeve 6013 through the elastic force of a third elastic member 6012;
the installation hole of the clamping block 801 is provided at the end side of the movable rod 6011 in the present invention, and the installation hole of the clamping block 801 may be actually provided at another position close to the support column 201 side such as a shaft in design, which is not particularly limited in the present invention.
Further additionally, as shown in fig. 6, an abutting seat 2011 is arranged at the tail end of the supporting column 201, and the abutting seat 2011 is used for abutting against the driving block 701 to perform driving operation when the supporting column rotates to a preset position with the telescopic connecting rod 601 to push the driving block 701 to move;
in the present invention, the first elastic member 602, the second elastic member 702, the third elastic member 6012, and the fourth elastic member 803 are preferably a first spring, a second spring, a third spring, and a fourth spring, respectively, although other members with elastic connection capability may be used in actual design, for example, a spring plate or a torsion spring, etc., which is not limited in the present invention.
As shown in fig. 7, in the embodiment of the present invention, the lifting assembly includes a plurality of sets of transmission connecting rods, the transmission connecting rod 301 includes two sets of transmission rods connected in an X structure, fixed ends of the two sets of transmission rods are respectively and rotatably connected to fixing seats 302 disposed on the supporting base plate 1 and the supporting top plate 2, movable ends of the two sets of transmission rods are respectively and rotatably connected to sliding grooves 303 disposed on the supporting base plate 1 and the supporting top plate 2, movable ends of the plurality of sets of transmission rods are connected by a connecting rod 304, the connecting rod 304 is connected to a driving member disposed on the supporting base plate 1 by a connecting plate 401, the driving member may be a driving cylinder 4 or hydraulic pressure, and the telescopic cylinder drives the transmission connecting rod 301 to rotate, so as to lift the supporting top plate 2;
in practice, a screw structure or other structures may be used instead of the transmission link rod, as long as the requirement for lifting the top supporting plate 2 is satisfied.
In summary, when the agricultural machinery is in use, when the agricultural machinery is displaced and drives the placing table 5 to slide in the maintenance process, the trigger assembly 7 drives the telescopic connecting rod 601 in the moving direction of the placing table 5 to rotate towards the ground, and at the same time, the telescopic connecting rod 601 is still in a contraction state, when the telescopic connecting rod 601 rotates to a preset angle, the driving assembly 8 is matched with the supporting column 201 at the bottom of the supporting top plate 2, so that the movable rod 6011 in the telescopic connecting rod 601 is loosened, and the fixing sleeve 6013 is extended to abut against the ground for supporting.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides an agricultural machinery maintenance prevents device of turning on one's side, includes supporting baseplate and supporting roof, wherein be equipped with lifting unit on the supporting baseplate, lifting unit is connected with the supporting roof for the height of adjustment supporting roof, its characterized in that, the device still includes:
the placing table is connected to the upper part of the supporting top plate in a sliding mode and used for placing the agricultural machine to be maintained;
the auxiliary supporting assemblies are used for supporting the auxiliary support of the top plate when the placing table slides, and comprise telescopic connecting rods and first elastic pieces, fixed ends of the telescopic connecting rods are rotatably connected to the bottom of the supporting top plate, one ends of the first elastic pieces are connected to rod bodies of the telescopic connecting rods, the other ends of the first elastic pieces are connected to supporting columns at the bottom of the supporting top plate, and the first elastic pieces are used for driving movable ends of the telescopic connecting rods to rotate towards the ground;
trigger the subassembly, set up the intracavity of placing of seting up on supporting roof upper portion, including second elastic component, drive block, transmission portion and stopper, wherein the drive block is connected and is being placed the platform bottom, and the drive block passes through the second elastic component and is connected with transmission portion, transmission portion is connected with stopper one end, the other end of stopper is through placing the spacing downthehole that the intercommunicating pore effect of chamber bottom was seted up on telescopic link, stopper and spacing hole cooperation for fix spacingly to telescopic link, slide through placing the platform and drive the transmission portion and remove, drive the stopper and accomodate to the intercommunicating pore downthehole, and break away from spacing hole.
2. The agricultural machinery maintenance rollover prevention device according to claim 1, wherein the transmission portion comprises two sets of inclined plane sliding connection wedge blocks, the two sets of wedge blocks are respectively connected to the placement cavity in a sliding manner, one set of wedge blocks is connected with the driving block through the second elastic piece, the other set of wedge blocks is connected with the limiting blocks, and the limiting blocks on the corresponding sides are driven to be accommodated into the communication holes when the placement platform slides to one side through sliding fit of the two sets of wedge blocks.
3. The agricultural machinery maintenance side-turn prevention device as claimed in claim 2, wherein two sets of stoppers are arranged in the placing cavity, and the two sets of stoppers are used for limiting the moving stroke of the driving block.
4. The agricultural machinery maintenance rollover prevention device as defined in claim 1, wherein the telescopic connecting rod comprises a fixed sleeve and a movable rod, a sliding cavity for the movable rod to slide is arranged in the fixed sleeve, and one end of the movable rod is elastically connected with a sealing end of the fixed sleeve through a third elastic member.
5. The agricultural machinery maintenance rollover prevention device as claimed in claim 4, further comprising a driving assembly mounted on the telescopic connecting rod and used for being matched with the supporting column to stretch and retract the telescopic connecting rod when the telescopic connecting rod rotates to a preset position.
6. The agricultural machinery maintenance rollover prevention device according to claim 5, wherein the driving assembly comprises a driving column and a clamping block elastically connected with the driving column, one end of the driving column and one end of the clamping block are slidably connected in a mounting hole formed in the fixed sleeve, the other end of the clamping block is slidably connected in a mounting hole formed in the movable rod, when the telescopic connecting rod rotates to be connected with the supporting column, the driving block drives the clamping block to be completely accommodated in the mounting hole of the movable rod by the supporting column, and the movable rod is in a loosening state.
7. The agricultural machinery maintenance rollover prevention device as claimed in claim 6, wherein the support column is provided at a distal end thereof with an abutment seat, and the abutment seat is used for abutting against the driving block to perform driving operation when the support column rotates to a preset position with the telescopic link.
8. The agricultural machinery maintenance rollover prevention device according to any one of claims 1 to 7, wherein the lifting assembly comprises a plurality of sets of transmission connecting rods, the transmission connecting rods comprise two sets of transmission rods connected in an X structure, fixed ends of the two sets of transmission rods are respectively and rotatably connected to fixed seats arranged on the supporting bottom plate and the supporting top plate, movable ends of the two sets of transmission rods are respectively and rotatably connected to sliding grooves formed in the supporting bottom plate and the supporting top plate, movable ends of the plurality of sets of transmission rods are connected through connecting rods, and the connecting rods are connected with driving pieces arranged on the supporting bottom plate through connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071743.2A CN114260866B (en) | 2022-01-21 | 2022-01-21 | Agricultural machinery maintenance prevents device of turning on one's side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071743.2A CN114260866B (en) | 2022-01-21 | 2022-01-21 | Agricultural machinery maintenance prevents device of turning on one's side |
Publications (2)
| Publication Number | Publication Date |
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| CN114260866A true CN114260866A (en) | 2022-04-01 |
| CN114260866B CN114260866B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210071743.2A Active CN114260866B (en) | 2022-01-21 | 2022-01-21 | Agricultural machinery maintenance prevents device of turning on one's side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670168A (en) * | 2022-04-22 | 2022-06-28 | 浙江世仓智能仓储设备有限公司 | Shuttle maintenance auxiliary structure |
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2022
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| DE20023688U1 (en) * | 2000-06-19 | 2005-08-11 | Berger, Erwin | Trolley for transporting door between work stations and supporting it during processing has posts at each end which carry holders consisting of bars which are thinner than the door and are positioned symmetrically at each end of it |
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| CN114670168A (en) * | 2022-04-22 | 2022-06-28 | 浙江世仓智能仓储设备有限公司 | Shuttle maintenance auxiliary structure |
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| CN114260866B (en) | 2024-04-19 |
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