CN114260866B - 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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- CN114260866B CN114260866B CN202210071743.2A CN202210071743A CN114260866B CN 114260866 B CN114260866 B CN 114260866B CN 202210071743 A CN202210071743 A CN 202210071743A CN 114260866 B CN114260866 B CN 114260866B
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- connecting rod
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- 238000012423 maintenance Methods 0.000 title claims abstract description 23
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000004891 communication Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012271 agricultural production Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The invention relates to the field of agricultural production, in particular to an agricultural machine maintenance rollover prevention device 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, the 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 to 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 agricultural machinery maintenance.
Background
With the rapid development of agricultural technology in China, more specialized and mechanized agricultural equipment replaces traditional production equipment, so that the efficiency of agricultural production is improved, and meanwhile, the manpower requirement of agricultural production is reduced, so that a large amount of manpower resources are liberated to engage in other industries.
With the massive use of the agricultural machinery, the daily maintenance tasks of the agricultural machinery are also gradually increased, wherein a large number of agricultural machinery maintenance tasks require operators to perform on site operation, the operators usually use a simple maintenance platform to place the damaged agricultural machinery, the agricultural machinery can shift and shake in the maintenance process, and the instability and rollover of a maintenance device for placing the agricultural machinery can be caused when the maintenance is serious, so that the safety of the agricultural machinery and the operators is seriously affected.
Disclosure of Invention
The invention aims to provide a side-turning prevention device for agricultural machinery maintenance, which solves the problems that at present, after a worker usually uses a simple maintenance platform to place a damaged agricultural machinery, the agricultural machinery is likely to shift in the maintenance process, and the maintenance device for placing the agricultural machinery is likely to be unstable and side-turned in severe cases.
In order to achieve the above object, the present invention provides an agricultural machinery maintenance rollover prevention device, comprising a supporting bottom plate and a supporting top plate, wherein the supporting bottom plate is provided with a lifting assembly, the lifting assembly is connected with the supporting top plate and is used for adjusting the height of the supporting top plate, the device further comprises:
the placing table is connected to the upper part of the supporting top plate in a sliding manner and is used for placing the agricultural machinery to be maintained;
The auxiliary supporting components are in a plurality of groups and are used for carrying out auxiliary supporting on the supporting top plate when the placing table slides, and the auxiliary supporting components comprise a telescopic connecting rod and a first elastic piece, wherein the fixed end of the telescopic connecting rod is rotationally connected to the bottom of the supporting top plate, one end of the first elastic piece is connected to the rod body of the telescopic connecting rod, the other end of the first elastic piece is connected to a supporting column at the bottom of the supporting top plate, and the first elastic piece is used for driving the movable end of the telescopic connecting rod to rotate towards the ground;
The trigger assembly is arranged in a placing cavity formed in the upper part of the supporting top plate and comprises a second elastic piece, a driving block, a transmission part and a limiting block, wherein the driving block is connected to the bottom of the placing table, the driving block is connected with the transmission part through the second elastic piece, the transmission part 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 fixedly limiting the telescopic connecting rod, the placing table slides to drive the transmission part to move, the limiting block is driven to be stored in the communicating hole and separated from the limiting hole, and at the moment, the telescopic connecting rod can be driven by the first elastic piece to rotate;
When the telescopic connecting rod is still in a contracted state at the moment, when the telescopic connecting rod rotates to a preset angle, the telescopic connecting rod is abutted with a support column at the bottom of the support top plate, the driving assembly is driven to act on the telescopic connecting rod, so that the telescopic connecting rod stretches, and the movable end of the telescopic connecting rod is abutted with the ground for supporting;
According to the invention, the placement table is used as a trigger signal to shift and slide along with the agricultural machinery, 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 which are connected in a sliding manner, the two groups of wedge blocks are respectively connected to the placement cavity in a sliding manner, one group of wedge blocks are connected with the driving block through a second elastic piece, the other group of wedge blocks are connected with the limiting block, the limiting block on the corresponding side is driven to be accommodated in the communication hole through sliding fit of the two groups of wedge blocks when the placement table slides to one side, and meanwhile, the inclined connection sides of the two groups of wedge blocks are respectively provided with a guide block and a guide groove, and the two groups of wedge blocks are prevented from being separated through the fit of the guide blocks and the guide grooves.
As a further scheme of the invention, two groups of stop blocks are arranged in the placing cavity, the two groups of stop blocks are 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 sliding maximum stroke of the placing table, and the stop block far away from the driving block is used for preventing the placing table from moving to the transmission part and the limiting column at the side when the placing table slides to the direction different from the side direction, so that the telescopic connecting rod at 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 sliding the movable rod 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 piece;
The device also comprises a driving assembly, a driving assembly and a driving assembly, wherein the driving assembly is arranged on the telescopic connecting rod and is used for carrying out telescopic connection rod expansion by being matched with the supporting column when the telescopic connecting rod rotates to a preset position;
Specifically, the driving assembly comprises a driving column and a clamping block which is elastically connected with the driving column, one ends of the driving column and the clamping block are slidably connected in a mounting hole formed in the fixed sleeve, the other ends of the clamping blocks are 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 is driven by the tail end of the supporting column to drive the clamping block to be fully accommodated in the movable rod mounting hole, and the movable rod is in a loose state and stretches out of the fixed sleeve;
Further supplement, the support column end is equipped with the butt seat, the butt seat is used for carrying out the drive operation with the drive piece butt when rotating to preset position with the flexible connecting rod, promotes the drive piece and removes.
As a further scheme of the invention, the lifting assembly comprises a plurality of groups of transmission connecting rods, the transmission connecting rods comprise two groups of transmission rods which are 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 in 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 is displaced in the maintenance process and drives the placement table to slide, the trigger component drives the telescopic connecting rod in the moving direction of the placement table to rotate towards the ground, meanwhile, the telescopic connecting rod is still in a contracted state, when the telescopic connecting rod rotates to a preset angle, the driving component is matched with the support column at the bottom of the support top plate, so that the movable rod in the telescopic connecting rod is loosened, the fixed sleeve is stretched to be in abutting support with the ground, and the automatic auxiliary support operation of the device is realized by taking the displacement sliding of the placement table along with the agricultural machine as a trigger signal, so that the stability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of a rollover prevention device for agricultural machinery maintenance.
Fig. 2 is a schematic diagram of connection between a supporting top plate and a placing table according to the present invention.
Fig. 3 is an enlarged schematic view of fig. 2a provided in the present invention.
Fig. 4 is an enlarged schematic view of fig. 2B provided by the present invention.
Fig. 5 is a schematic structural view of a telescopic link according to the present invention.
Fig. 6 is an enlarged schematic view of fig. 5C provided by the present invention.
Fig. 7 is a schematic structural diagram of a lifting assembly according to 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 view of a wedge block according to the present invention.
In the accompanying drawings: 1-a supporting base plate; 2-supporting a top plate; 201-supporting columns; 2011-a butt seat; 3-lifting assembly; 301-a transmission link; 302-a fixed seat; 303-a sliding groove; 304-connecting rods; 4-driving a cylinder; 401-connecting plates; 5-placing a table; 6-an auxiliary support assembly; 601-telescoping link; 6011-movable bar; 6012-third spring; 6013-fixing sleeve; 602-a first spring; 7-triggering the assembly; 701-a drive block; 702-a second spring; 703-wedge blocks; 704-limiting blocks; 8-a drive assembly; 801-clamping blocks; 802-drive columns; 803-fourth spring.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
As shown in fig. 1 and fig. 2, in the embodiment of the invention, an agricultural machinery maintenance rollover prevention device comprises a supporting bottom plate 1 and a supporting top plate 2, wherein a lifting assembly 3 is arranged on the supporting bottom plate 1, the lifting assembly 3 is connected with the supporting top plate 2 and is used for adjusting the height of the supporting top plate 2, and the device further comprises a placing table 5 which is connected to the upper part of the supporting top plate 2 in a sliding manner and is used for placing an agricultural machinery to be maintained;
As shown in fig. 2 and fig. 4, the auxiliary supporting components 6 are in a plurality of groups and are used for carrying out auxiliary supporting of the supporting top plate 2 when the placing table 5 slides, and the auxiliary supporting components comprise a telescopic connecting rod 601 and a first elastic piece 602, wherein the fixed end of the telescopic connecting rod 601 is rotatably connected to the bottom of the supporting top plate 2, one end of the first elastic piece 602 is connected to a rod body of the telescopic connecting rod 601, the other end of the first elastic piece 602 is connected to a supporting column 201 at the bottom of the supporting top plate 2, and the first elastic piece 602 is used for driving the movable end of the telescopic connecting rod 601 to rotate towards the ground, wherein when the telescopic connecting rod 601 is in a retracted state, the first elastic piece 602 is used for providing a pulling force for driving the telescopic connecting rod 601 to rotate;
As shown in fig. 3, the trigger component 7 is disposed in a placement cavity formed at 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 placement 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 in a limiting hole formed on the telescopic connecting rod 601 through a communication hole formed at the bottom of the placement cavity, the limiting block 704 is matched with the limiting hole, and is used for fixing and limiting the telescopic connecting rod 601, and the placement table 5 slides to drive the transmission portion to move, so that the limiting block 704 is driven to be accommodated in the communication hole and is separated from the limiting hole, and at this time, the telescopic connecting rod 601 can be driven to rotate by the first elastic member 602;
When the telescopic connecting rod is used, when the agricultural machinery is displaced in the maintenance process and drives the placing table 5 to slide, the driving block 701 drives the corresponding limiting block 704 to move through the transmission of the second elastic piece 702 and the transmission part, the limiting block is stored in the communication hole, and 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 contracted state;
as shown in fig. 5, when the telescopic link 601 rotates to a preset angle, the telescopic link 601 abuts against the support column 201 at the bottom of the support top plate 2, and drives the driving assembly 8 to act on the telescopic link 601, so that the telescopic link 601 stretches, and the movable end of the telescopic link 601 abuts against the ground for support.
As shown in fig. 6, in the embodiment of the present invention, the transmission portion includes two sets of wedge blocks 703 slidingly connected with each other through inclined planes, the two sets of wedge blocks 703 are respectively slidingly connected to the placement 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 slidingly matched, so that when the placement table 5 slides to one side, the limiting block 704 on the corresponding side is driven to be accommodated in the communication hole;
meanwhile, as shown in fig. 9, the inclined connecting sides of the wedge blocks 703 are respectively provided with a guide groove, and the two groups of wedge blocks 703 are prevented from being separated by the cooperation of the guide grooves;
Of course, in practical design, other components with transmission capability can be used, for example, a transmission link structure can be selected, 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 placement cavity, the two sets of stoppers 705 are mounted on the supporting top plate 2, and the two sets of stoppers 705 are used for limiting the movement stroke of the driving block 701, wherein the stopper 705 near one side of the driving block 701 is used for limiting the maximum sliding stroke of the placement table 5, and the stopper 705 far from the side of the driving block 701 is used for preventing the movement of the transmission part and the limiting block at that side when the placement table 5 slides in a direction different from that at that side, so as to prevent the rotation of the telescopic link 601 at that side.
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 sliding the movable rod 6011 is provided in the fixed sleeve 6013, one end of the movable rod 6011 is elastically connected with a sealed 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 at this time;
The device further comprises a driving assembly 8, which is installed on the telescopic connecting rod 601 and is used for carrying out telescopic connection rod 601 in cooperation with the supporting column 201 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, where the driving column 802 and the clamping block 801 are elastically connected by a fourth elastic member 803, one ends of the driving column 802 and the clamping block 801 are slidably connected in a mounting hole formed in the fixed sleeve 6013, the other ends of the clamping block 801 are slidably connected in a mounting hole formed in the movable rod 6011, and when the telescopic connecting rod 601 rotates to be connected with the supporting column 201, the driving block 701 is driven by the end of the supporting column 201 to drive the clamping block 801 to be completely accommodated in the mounting hole of the movable rod 6011, the movable rod 6011 is in a relaxed state, and the movable rod 6011 extends out of the fixed sleeve 6013 by the elastic force of the third elastic member 6012;
In the present invention, the mounting hole of the clamping block 801 is provided at the end side of the movable rod 6011, and the mounting hole of the clamping block 801 may be provided at other positions, such as the shaft, near the support column 201 in the design process, and the present invention is not limited thereto.
Further, as shown in fig. 6, an abutment 2011 is disposed at the end of the support column 201, and the abutment 2011 is configured to abut against the driving block 701 to perform driving operation when the telescopic link 601 rotates to a preset position, so as 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 components having elastic connection capability, such as a reed or a torsion spring, etc., may be used in the design, and the present invention is not limited thereto.
As shown in fig. 7, in the embodiment of the present invention, the lifting assembly includes a plurality of groups of transmission links, the transmission links 301 includes two groups of transmission links connected in an X structure, wherein fixed ends of the two groups of transmission links are respectively rotatably connected to fixing bases 302 disposed on the supporting bottom plate 1 and the supporting top plate 2, movable ends are respectively rotatably connected to sliding grooves 303 disposed on the supporting bottom plate 1 and the supporting top plate 2, the movable ends of the plurality of groups of transmission links are connected through connecting rods 304, the connecting rods 304 are connected with driving members disposed on the supporting bottom plate 1 through connecting plates 401, the driving members may be driving cylinders 4 or hydraulic pressure, etc., and the transmission links 301 are driven to rotate through telescopic cylinders, so as to realize lifting of the supporting top plate 2;
Of course, in practical design, other structures such as a screw structure can be used instead of the transmission connecting rod selected by the invention, so long as the lifting requirement of the supporting top plate 2 can be met.
When the agricultural machine is in use, the telescopic connecting rod 601 in the moving direction of the placing table 5 is driven to rotate towards the ground through the triggering component 7 when the agricultural machine is displaced in the maintenance process and drives the placing table 5 to slide, meanwhile, the telescopic connecting rod 601 is still in a contracted state, when the telescopic connecting rod 601 rotates to a preset angle, the driving component 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, the fixed sleeve 6013 is extended to be in abutting support with the ground, and the placing table 5 is driven to shift and slide along with the agricultural machine to serve as a triggering signal through the agricultural machine, so that automatic auxiliary supporting operation of the device is realized, and the stability of the device is improved.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 in a specific case.
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 (3)
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 supporting roof for adjust the height that supports the 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 manner and is used for placing the agricultural machinery to be maintained;
The auxiliary supporting components are in a plurality of groups and are used for carrying out auxiliary supporting on the supporting top plate when the placing table slides, and the auxiliary supporting components comprise a telescopic connecting rod and a first elastic piece, wherein the fixed end of the telescopic connecting rod is rotationally connected to the bottom of the supporting top plate, one end of the first elastic piece is connected to the rod body of the telescopic connecting rod, the other end of the first elastic piece is connected to a supporting column at the bottom of the supporting top plate, and the first elastic piece is used for driving the movable end of the telescopic connecting rod to rotate towards the ground;
The trigger assembly is arranged in a placing cavity formed in the upper part of the supporting top plate and comprises a second elastic piece, a driving block, a transmission part and a limiting block, wherein the driving block is connected to the bottom of the placing table, the driving block is connected with the transmission part through the second elastic piece, the transmission part 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 fixedly limiting the telescopic connecting rod, and the driving part is driven to move through the sliding of the placing table to drive the limiting block to be stored in the communicating hole and separate from the limiting hole;
The transmission part comprises two groups of wedge blocks which are in sliding connection with each other in an inclined plane, the two groups of wedge blocks are respectively and slidably connected to the placing cavity, one group of wedge blocks is connected with the driving block through a second elastic piece, the other group of wedge blocks is connected with the limiting block, and the two groups of wedge blocks are in sliding fit, so that the limiting block on the corresponding side is driven to be stored in the communication hole when the placing table slides to one side;
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 piece;
The driving assembly is arranged on the telescopic connecting rod and is used for being matched with the support column to stretch out and draw back the telescopic connecting rod when the telescopic connecting rod rotates to a preset position;
The driving assembly comprises a driving column and a clamping block which is elastically connected with the driving column, one ends of the driving column and the clamping block are slidably connected in a mounting hole formed in the fixed sleeve, the other ends of the clamping blocks are 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 is driven by the supporting column to drive the clamping block to be fully accommodated in the movable rod mounting hole, and the movable rod is in a loosening state;
the support column is terminal to be equipped with the butt seat, the butt seat is used for carrying out the drive operation with the drive piece butt when rotating to preset position with the flexible connecting rod.
2. The agricultural machinery maintenance rollover prevention device according to claim 1, wherein two sets of stoppers are provided in the placement chamber, and the two sets of stoppers are used for limiting the movement stroke of the driving block.
3. The agricultural machinery maintenance rollover prevention device according to any one of claims 1 to 2, wherein the lifting assembly comprises a plurality of groups of transmission links, the transmission links comprise two groups of transmission rods connected in an X-shaped structure, fixed ends of the two groups of transmission rods are respectively and rotatably connected to fixed bases arranged on the supporting base plate and the supporting top plate, movable ends of the two groups of transmission rods are respectively and rotatably connected to sliding grooves arranged on the supporting base 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 base plate through connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071743.2A CN114260866B (en) | 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 | Agricultural machinery maintenance prevents device of turning on one's side |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114260866A CN114260866A (en) | 2022-04-01 |
| CN114260866B true CN114260866B (en) | 2024-04-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR101396579B1 (en) * | 2013-05-15 | 2014-05-20 | 한국해양과학기술원 | Inspection apparatus for side wall of structure |
| CN211759498U (en) * | 2020-01-20 | 2020-10-27 | 天津森茂科技有限公司 | Welding fixture for maintenance of agricultural machinery |
| CN111963867A (en) * | 2020-08-21 | 2020-11-20 | 孙文站 | Auxiliary device for electrical equipment installation |
| CN113910177A (en) * | 2021-09-17 | 2022-01-11 | 安徽科汇金属网架有限公司 | Working table |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR101396579B1 (en) * | 2013-05-15 | 2014-05-20 | 한국해양과학기술원 | Inspection apparatus for side wall of structure |
| CN211759498U (en) * | 2020-01-20 | 2020-10-27 | 天津森茂科技有限公司 | Welding fixture for maintenance of agricultural machinery |
| CN111963867A (en) * | 2020-08-21 | 2020-11-20 | 孙文站 | Auxiliary device for electrical equipment installation |
| CN113910177A (en) * | 2021-09-17 | 2022-01-11 | 安徽科汇金属网架有限公司 | Working table |
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| 关于农机维修管理工作相关问题的思考;潘超然;《农机使用与维修》;20200810;142 * |
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