CN110000597B - Manual flexible clamping mechanism - Google Patents
Manual flexible clamping mechanism Download PDFInfo
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- CN110000597B CN110000597B CN201910429065.0A CN201910429065A CN110000597B CN 110000597 B CN110000597 B CN 110000597B CN 201910429065 A CN201910429065 A CN 201910429065A CN 110000597 B CN110000597 B CN 110000597B
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- clamp body
- seat
- clamping
- clamping mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/043—Construction of the grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a manual flexible clamping mechanism, which comprises: a connecting seat; the overturning clamp body is arranged on the connecting seat; the clamping block is arranged on the overturning clamp body and used for clamping a workpiece; and the position adjusting assembly is arranged between the overturning clamp body and the clamping block, can be arranged on the overturning clamp body in a sliding manner, and is relatively fixed on the overturning clamp body after reaching a clamping position. When the manual flexible clamping mechanism is used, the manual flexible clamping mechanism is fixed on a tire model through the connecting seat, when a workpiece needs to be clamped, the relative position of the position adjusting assembly relative to the overturning clamp body is adjusted to be suitable for the clamping size of the workpiece, and the overturning clamp body is rotated to tightly push the clamping block. Therefore, the manual flexible clamping mechanism can clamp workpieces of different specifications, the interchangeability of the manual flexible clamping mechanism is improved, and the utilization efficiency of the manual flexible clamping mechanism is improved.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a manual flexible clamping mechanism.
Background
The manual flexible clamping mechanism is a tool used for clamping a vehicle model on a tire model during workshop transfer. However, the interchangeability of manual flexible clamping mechanisms in the truck industry is low. Therefore, when the workshop is transformed, if the structure and the size of the new vehicle type and the original vehicle type are greatly different, the manual flexible clamping mechanism used by the original vehicle type cannot be used any more. The method usually adopts the steps of reserving the manual flexible clamping mechanism of the original vehicle type for standby, and designing and producing the manual flexible clamping mechanism matched with the new vehicle type. This reduces the utility of the manual flexible clamping mechanism.
Therefore, how to improve the utilization rate of the manual flexible clamping mechanism becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a manual flexible clamping mechanism, which aims to improve the utilization rate of the manual flexible clamping mechanism.
In order to achieve the purpose, the invention provides the following technical scheme:
a manual flexible clamping mechanism comprising: a connecting seat; the overturning clamp body is arranged on the connecting seat; and the clamping block is arranged on the overturning clamp body and used for clamping a workpiece, and the manual flexible clamping mechanism further comprises: the position adjusting assembly is arranged between the overturning clamp body and the clamping block, can be arranged on the overturning clamp body in a sliding mode, and is relatively fixed on the overturning clamp body after reaching a clamping position.
In one embodiment of the present invention, the turning clamp body is provided with a sliding groove in sliding fit with the position adjusting assembly.
In one embodiment of the invention, the number of the sliding grooves is two, the two sliding grooves are respectively a first sliding groove located on the extending portion of the overturning fixture body in the length direction and a second sliding groove located on the extending portion of the overturning fixture body in the width direction, each sliding groove is provided with a position adjusting assembly, and each position adjusting assembly is provided with a clamping block.
In one embodiment of the present invention, the position adjustment assembly includes:
the adjusting seat is in sliding fit with the sliding groove in the first direction, and one end of the adjusting seat is provided with a positioning step; and
the clamping plate is arranged at the other end of the adjusting seat through a fastener, the screwing-in amount of the fastener is adjusted in the second direction, the clamping plate and the positioning step can be clamped on the overturning clamp body, and the second direction is perpendicular to the first direction.
In one embodiment of the present invention, the position adjustment assembly further comprises: the positioning block is arranged on the adjusting seat, a fixing screw is arranged on the positioning block, and a positioning hole matched with the fixing screw is formed in the groove wall of the sliding groove.
In one embodiment of the present invention, the positioning block is fixed on the adjusting seat through an adjusting screw, and rotating the adjusting screw can adjust a distance between the adjusting seat and the positioning block in the first direction.
In one embodiment of the present invention, the number of the adjusting screws is two, and the adjusting screws are symmetrically arranged between the adjusting seat and the positioning block.
In one embodiment of the present invention, the number of the positioning blocks is two, and the two positioning blocks are arranged on both sides of the adjusting seat in the first direction.
In one embodiment of the invention, the clamping block comprises a screw rod in threaded fit with the adjusting seat and a pressing block arranged at one end of the screw rod, and the other end of the screw rod is provided with an operation hole.
In one embodiment of the invention, a clamping seat is arranged between the turning clamp body and the connecting seat, in the rotation direction of the turning clamp body, one end of the clamping seat is provided with an avoidance notch, the other end of the clamping seat is provided with a positioning baffle plate for preventing the turning clamp body from continuously rotating, the clamping seat is provided with a first fixing hole, the turning clamp body is provided with a second fixing hole, and when the turning clamp body and the clamping seat are turned and clamped, the first fixing hole and the second fixing hole are overlapped to install a bolt.
In one embodiment of the invention, the overturning clamp body is hinged on the connecting seat through a detachable pin shaft; and the overturning clamp body, the connecting seat and the clamping seat share one pin shaft.
According to the technical scheme, when the manual flexible clamping mechanism is used, the manual flexible clamping mechanism is fixed on a tire model through the connecting seat, when a workpiece needs to be clamped, the relative position of the position adjusting assembly relative to the overturning clamp body is adjusted to be suitable for the clamping size of the workpiece, and the overturning clamp body is rotated to tightly push the clamping block. Therefore, the manual flexible clamping mechanism can clamp workpieces of different specifications, the interchangeability of the manual flexible clamping mechanism is improved, and the utilization efficiency of the manual flexible clamping mechanism is improved. In addition, after the tire type is changed, the connecting seat is detachably connected with the overturning clamp body, the connecting seat can be quickly disassembled and assembled, and the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a manual flexible clamping mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a manual flexible clamping mechanism according to an embodiment of the present invention;
fig. 3 is a schematic front view of a turning clamp according to an embodiment of the present invention;
fig. 4 is a schematic top view of the turning clamp according to the embodiment of the present invention;
FIG. 5 is a schematic perspective view of a position adjustment assembly according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of an adjusting base according to an embodiment of the present invention;
FIG. 7 is a schematic front view of a clamping block according to an embodiment of the present invention;
FIG. 8 is a schematic top view of a clamping block according to an embodiment of the present invention;
fig. 9 is a schematic perspective view of a connection seat according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a clamping seat according to an embodiment of the present invention.
In the figure, 100 is a connecting seat, 200 is a turnover fixture body, 300 is a clamping block, 400 is a position adjusting component, 500 is a clamping seat, 600 is a pin shaft, and 700 is a bolt;
101 is a first avoidance gap, 102 is a first positioning baffle, 103 is a first pin hole, 201 is a sliding groove, 202 is a first overturning clamp plate, 203 is a second overturning clamp plate, 204 is a connecting block, 205 is a first positioning hole, 206 is a second positioning hole, 207 is a second pin hole, 208 is a first fixing hole, 201-1 is a first sliding groove, 201-2 is a second sliding groove, 301 is a screw rod, 302 is a pressing block, 303 is an operating hole, 401 is an adjusting seat, 402 is a clamping plate, 403 is a fastener, 404 is a positioning block, 405 is a fixing screw, 406 is an adjusting screw, 401-1 is a positioning step, 501 is a second avoidance gap, 502 is a second positioning baffle, 503 is a third pin hole, and 504 is a second fixing hole.
Detailed Description
The core of the invention is to provide a manual flexible clamping mechanism to improve the utilization rate of the manual flexible clamping mechanism.
The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 to 10, a manual flexible clamping mechanism according to an embodiment of the present invention includes: a connecting socket 100; a turning clamp body 200 provided on the connecting seat 100; and a clamping block 300 provided on the overturning jig body 200 for clamping a workpiece; and the position adjusting assembly 400 is arranged between the overturning clamp body 200 and the clamping block 300, and the position adjusting assembly 400 is slidably arranged on the overturning clamp body 200 and is relatively fixed on the overturning clamp body 200 after reaching a clamping position.
When the manual flexible clamping mechanism is used, the manual flexible clamping mechanism is fixed on a tire model through the connecting seat 100, when a workpiece needs to be clamped, the relative position of the position adjusting assembly 400 relative to the overturning clamp body 200 is adjusted to be suitable for the clamping size of the workpiece, and the overturning clamp body 200 is rotated to tightly push the clamping block 300. Therefore, the manual flexible clamping mechanism can clamp workpieces of different specifications, the interchangeability of the manual flexible clamping mechanism is improved, and the utilization efficiency of the manual flexible clamping mechanism is improved.
Referring to fig. 3 and 4, in the embodiment of the present invention, in order to adjust the relative position of the position adjusting assembly 400 with respect to the turning clamp body 200, a sliding groove 201 slidably engaged with the position adjusting assembly 400 is disposed on the turning clamp body 200. Wherein, the sliding chute 201 is directly arranged on the overturning fixture body 200;
or the turning clamp body 200 comprises two turning clamp plates which are oppositely arranged, namely a first turning clamp plate 202 and a second turning clamp plate 203, key parts of the two turning clamp plates are connected through a connecting block 204, and a sliding groove 201 is formed between the two turning clamp plates. In the embodiment of the invention, a first sliding groove 201-1 is formed in a part of the overturning fixture body 200 extending in the length direction, a second sliding groove 201-2 is formed in a part of the overturning fixture body 200 extending in the width direction, a position adjusting assembly 400 is arranged on each sliding groove 201, and a position adjusting assembly 400 is correspondingly arranged on each position adjusting assembly 400.
In fig. 1, the oy direction is a longitudinal direction of the turning clamp body 200, and the ox direction is a width direction of the turning clamp body 200, wherein the longitudinal direction and the width direction of the turning clamp body 200 are changed along with a position of the turning clamp body 200 relative to the connecting base 100. When in the clamping position, the length direction of the turning clamp body 200 is the vertical direction, and the width direction of the turning clamp body 200 is the horizontal direction. Therefore, when in the clamping position, the position adjusting assembly 400 disposed on the first sliding groove 201-1 can adjust the pressing point in the vertical direction on the overturning clamp body 200, and the position adjusting assembly 400 disposed on the second sliding groove 201-2 can adjust the pressing point in the horizontal direction on the overturning clamp body 200.
The position adjusting assembly 400 is used for driving the clamping block 300 to move on the overturning clamp body 200, and the structure capable of realizing the position adjustment is within the protection scope of the invention. In one embodiment of the present invention, the structure of the position adjustment assembly 400 is specifically disclosed, which comprises:
an adjusting seat 401 in sliding fit with the sliding groove 201 in the first direction, wherein one end of the adjusting seat 401 is provided with a positioning step 401-1; and
the clamping plate 402 and the positioning step 401-1 can be clamped to the flip clamp body 200 by adjusting the screwing amount of the fastener 403 in a second direction perpendicular to the first direction by the clamping plate 402 with the fastener 403 disposed at the other end of the adjustment seat 401.
Since the number of the position adjusting assemblies 400 is two, the two position adjusting assemblies 400 are respectively arranged at the first sliding chute 201-1 and the second sliding chute 201-2, wherein the first direction of the position adjusting assembly 400 arranged at the first sliding chute 201-1 is the length direction of the turning clamp body 200. The position adjusting assembly 400 is disposed at the second sliding groove 201-2, and the first direction thereof is the width direction of the overturning jig body 200.
Further, in order to improve the connection strength of the position adjusting assembly 400 with respect to the overturning fixture body 200, the position adjusting assembly 400 further comprises: a positioning block 404 arranged on the adjusting seat 401, a fixing screw 405 arranged on the positioning block 404, and a positioning hole matched with the fixing screw 405 arranged on the groove wall of the sliding groove 201. The adjusting seat 401 is fixed in the positioning hole by the fixing screw 405 on the positioning block 404, so that the movement of the adjusting seat 401 relative to the overturning fixture body 200 in the first direction is further limited.
A plurality of first positioning holes 205 are provided on a groove wall provided at the first sliding groove 201-1, and the plurality of first positioning holes 205 are adapted to be engaged with the fixing screw 405 of the position adjusting assembly 400 provided at the first sliding groove 201-1. A plurality of second positioning holes 206 are provided on a groove wall provided at the second chute 201-2, and the plurality of second positioning holes 206 are used for the position adjusting assembly 400 provided at the second chute 201-2.
In order to further finely adjust the position of the position adjusting assembly 400 in the first direction relative to the reversed fixture body 200, the positioning block 404 is fixed on the adjusting seat 401 through an adjusting screw 406, and the distance between the adjusting seat 401 and the positioning block 404 in the first direction can be adjusted by rotating the adjusting screw 406. The distance between the adjusting seat 401 and the positioning block 404 is adjusted by rotating the adjusting screw 406 to adapt to the installation of different positioning holes on the groove wall, so as to achieve the purpose of finely adjusting the position of the position adjusting assembly 400 relative to the turning clamp body 200.
In order to ensure the uniformity of the force, the number of the adjusting screws 406 is two, and the adjusting screws are symmetrically arranged between the adjusting seat 401 and the positioning block 404. Further, the number of the positioning blocks 404 is two, and two positioning blocks 404 are disposed on both sides of the adjustment seat 401 in the first direction.
The purpose of the clamping block 300 is to achieve the purpose of clamping a workpiece by adjusting the extending length of the clamping block 300 when the overturning clamp body 200 is overturned to the clamping position. The structure of the clamping block 300 in the invention is the same as the prior art, the stretching is realized through threads, the specific clamping block 300 comprises a screw rod 301 in threaded fit with an adjusting seat 401 and a pressing block 302 arranged at one end of the screw rod, and the other end of the screw rod 301 is provided with an operation hole 303. When the screw rod 301 needs to be rotated, the operating handle penetrates through the operating hole 303, and the rotating length of the screw rod 301 can be adjusted by rotating the operating handle.
In one embodiment of the present invention, a clamping seat 500 is disposed between the turning clamp body 200 and the connecting seat 100, in a rotation direction of the turning clamp body 200, an avoiding gap is disposed at one end of the clamping seat 500, a positioning baffle plate for preventing the turning clamp body 200 from continuing to rotate is disposed at the other end of the clamping seat 500, the clamping seat 500 is disposed with a first fixing hole 208, the turning clamp body 200 is disposed with a second fixing hole 504, and when the turning clamp body 200 and the clamping seat 500 are turned and clamped, the first fixing hole 208 and the second fixing hole 504 are overlapped to install the plug pin 700.
In one embodiment of the present invention, the turning clamp body 200 is hinged to the connecting seat 100 by a detachable pin 600; and the turnover fixture body 200, the connecting seat 100 and the clamping seat 500 share one pin 600.
Be provided with the first breach 101 of dodging on specific connecting seat 100, this first breach 101 of dodging setting can guarantee that upset anchor clamps body 200 can overturn smoothly, and connecting seat 100 is provided with first locating baffle 102 with the first relative position of dodging breach 101, and the setting of first locating baffle 102 can be followed the certain degree and blockked upset anchor clamps body 200 and continue the upset, still is provided with on connecting seat 100 and presss from both sides first pinhole 103 of body 200 articulated with the upset.
The bottom of the turning clamp body 200 is provided with a second pin hole 207 matched with the first pin hole 103, and a first fixing hole 208 for fixing at the clamping position.
The corresponding clamping seat 500 is provided with a second avoidance notch 501 corresponding to the first avoidance notch 101, the second avoidance notch 501 is also arranged to ensure that the overturning clamp body 200 can overturn smoothly, a second positioning baffle plate 502 is further arranged at a position of the clamping seat 500 opposite to the second avoidance notch 501, the second positioning baffle plate 502 is used for stopping the overturning clamp body 200 from overturning continuously, a third pin hole 503 corresponding to the first pin hole 103 is further arranged on the clamping seat 500, and a second fixing hole 504 corresponding to the first fixing hole 208 is further arranged on the clamping seat 500.
The clamping seat 500 is inserted into the connecting seat 100, the turning clamp body 200 is inserted into the clamping seat 500, the first pin hole 103, the second pin hole 207 and the third pin hole 503 are overlapped and then simultaneously penetrate through the pin shaft 600, and the pin shaft 600 is detachably arranged in each pin hole, namely, the clamping seat 500, the connecting seat 100 and the turning clamp body 200 share one pin shaft 600. When the overturning clamp body 200 is overturned to the clamping position, the first fixing hole 208 and the second fixing hole 504 are overlapped, and the overturning clamp body 200 can be relatively fixed on the clamping seat 500 by inserting the bolt 700 into the first fixing hole 208 and the second fixing hole 504, so that the clamping operation of the clamping block 300 is ensured.
In the above structure, since the clamping seat 500, the connecting seat 100 and the turning clamp body 200 are detachably connected, the clamping seat 500 and the turning clamp body 200 can be detached from the connecting seat 100 and put in storage, so that the repeated use is realized. The coupling socket 100 left on the tire type is less damaged in an open air environment.
In addition, the clamping seat 500, the connecting seat 100 and the overturning clamp body 200 share one pin shaft 600, so that the connecting seat 100 has the minimum structure.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A manual flexible clamping mechanism comprising: a connecting seat; the overturning clamp body is arranged on the connecting seat; and the clamping block is arranged on the overturning clamp body and used for clamping a workpiece, and the manual flexible clamping mechanism is characterized by further comprising: the position adjusting assembly is arranged between the overturning clamp body and the clamping block, can be slidably arranged on the overturning clamp body, and is relatively fixed on the overturning clamp body after reaching a clamping position; be provided with on the upset anchor clamps body with position control assembly sliding fit's spout, position control assembly includes: the adjusting seat is in sliding fit with the sliding groove in the first direction, and one end of the adjusting seat is provided with a positioning step; the clamping plate is arranged at the other end of the adjusting seat through a fastener, the screwing amount of the fastener is adjusted in the second direction, the clamping plate and the positioning step can be clamped on the overturning clamp body, and the second direction is perpendicular to the first direction.
2. The manual flexible clamping mechanism of claim 1, wherein the number of the sliding grooves is two, and the two sliding grooves are respectively a first sliding groove located on the length direction extending portion of the turning clamp body and a second sliding groove located on the width direction extending portion of the turning clamp body, each sliding groove is provided with a position adjusting assembly, and each position adjusting assembly is provided with a clamping block.
3. The manual flexible clamping mechanism of claim 1, wherein said position adjustment assembly further comprises: the positioning block is arranged on the adjusting seat, a fixing screw is arranged on the positioning block, and a positioning hole matched with the fixing screw is formed in the groove wall of the sliding groove.
4. The manual flexible clamping mechanism of claim 3, wherein the positioning block is fixed to the adjustment base by an adjustment screw, and rotation of the adjustment screw adjusts the distance between the adjustment base and the positioning block in the first direction.
5. The manual flexible clamping mechanism of claim 4, wherein the number of the adjusting screws is two, and the adjusting screws are symmetrically arranged between the adjusting seat and the positioning block.
6. The manual flexible clamping mechanism of claim 5, wherein the number of said positioning blocks is two, and two of said positioning blocks are disposed on both sides of said adjustment seat in the first direction.
7. The manual flexible clamping mechanism according to claim 1, wherein the clamping block comprises a screw rod in threaded engagement with the adjustment seat and a pressing block disposed at one end of the screw rod, and an operation hole is disposed at the other end of the screw rod.
8. The manual flexible clamping mechanism according to claim 7, wherein a clamping seat is disposed between the turning clamp body and the connecting seat, an avoiding notch is disposed at one end of the clamping seat in a rotation direction of the turning clamp body, a positioning baffle plate for preventing the turning clamp body from continuing to rotate is disposed at the other end of the clamping seat, the clamping seat is provided with a first fixing hole, a second fixing hole is disposed on the turning clamp body, and when the turning clamp body and the clamping seat are turned and clamped, the first fixing hole and the second fixing hole are overlapped to install a bolt.
9. The manual flexible clamping mechanism of claim 8, wherein said flip clamp body is hinged to said connecting base by a detachable pin; and the overturning clamp body, the connecting seat and the clamping seat share one pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429065.0A CN110000597B (en) | 2019-05-22 | 2019-05-22 | Manual flexible clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429065.0A CN110000597B (en) | 2019-05-22 | 2019-05-22 | Manual flexible clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110000597A CN110000597A (en) | 2019-07-12 |
| CN110000597B true CN110000597B (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910429065.0A Active CN110000597B (en) | 2019-05-22 | 2019-05-22 | Manual flexible clamping mechanism |
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| Country | Link |
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| CN (1) | CN110000597B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0338642A3 (en) * | 1988-04-20 | 1990-05-30 | du Quesne, Francis | Apparatus for mounting automotive vehicle tyres |
| KR100953308B1 (en) * | 2007-10-29 | 2010-04-20 | 현대자동차주식회사 | Jig device for roof welding of vehicles |
| CN201201139Y (en) * | 2008-06-02 | 2009-03-04 | 齐齐哈尔轨道交通装备有限责任公司 | Universal car body and base frame tilter |
| CN201950406U (en) * | 2010-12-10 | 2011-08-31 | 中国第一汽车集团公司 | Novel flexible clamping positioning device for multi-vehicle type vehicle frame |
| CN201983804U (en) * | 2011-03-14 | 2011-09-21 | 深圳市嘉之宏电子有限公司 | Flexible circuit board clamping mechanism |
| CN203254114U (en) * | 2013-05-24 | 2013-10-30 | 厦门金龙旅行车有限公司 | Passenger car body closing tool device |
| CN103551783A (en) * | 2013-11-04 | 2014-02-05 | 上汽通用五菱汽车股份有限公司 | Flexible car soft tool platform |
| CN204339169U (en) * | 2014-12-04 | 2015-05-20 | 南车株洲电力机车有限公司 | The flexible manufacturing frock of Welding frame structure |
| CN206998706U (en) * | 2017-07-27 | 2018-02-13 | 昆山群发机械设备有限公司 | A kind of vehicle body fixing tool with side crops industry flexibility switch unit |
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2019
- 2019-05-22 CN CN201910429065.0A patent/CN110000597B/en active Active
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