CN110253472A - A kind of quick fastening mechanism for electric four-wheeled Vehicle Processing - Google Patents
A kind of quick fastening mechanism for electric four-wheeled Vehicle Processing Download PDFInfo
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- CN110253472A CN110253472A CN201910530038.2A CN201910530038A CN110253472A CN 110253472 A CN110253472 A CN 110253472A CN 201910530038 A CN201910530038 A CN 201910530038A CN 110253472 A CN110253472 A CN 110253472A
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- fixedly connected
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- hole
- electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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Abstract
The present invention relates to electric vehicle assembly tool technical fields, and disclose a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing, including fixed frame, two fixed plates are fixedly connected at the left and right ends upper edge of fixed frame, rectangular shaft is connected to by rectangular through-hole sliding sleeve between two fixed plates, two opposite one end of rectangular shaft both pass through rectangular through-hole and are fixedly connected with grip block, the inner wall of two sides all around of fixed frame is fixedly connected to fixed block, the side of fixed block is connect by transmission mechanism with grip block, the left and right sides is fixedly connected to support plate at the upper end-face edge of fixed frame.This is used for the quick fastening mechanism of electric four-wheeled Vehicle Processing, stablize the position between rear axle stand and steel plate without man-hour manually hand-held when use, the labor intensity for mitigating manual assembly can also realize assembly process without multiple Workforce Operations, and time saving and energy saving fastening speed is also fast.
Description
Technical field
The present invention relates to electric vehicle assembly tool technical field, specially a kind of Quick fastening for electric four-wheeled Vehicle Processing
Gu mechanism.
Background technique
Electric four-wheel vehicle is using electric power as the four-wheel scooter of power, mostly park Sightseeing Bus and mobility scooter for old people, residual
Disease scooter.Electric four-wheel vehicle is using battery as power source, and battery mainly has lead-acid battery and lithium battery.Electric four-wheeled scooter
It is used in the world primarily directed to the elderly and the disabled, easy to operate, speed is slower, safety and stability.Also, it is electric four-wheeled
The rear axle of vehicle uses steel plate damping, similar with jubilee wagen, when production is assembled, passes through the steel plate damping bullet for selecting varying strength
Spring can meet the manned demand of different loadings.
In the prior art, electric four-wheel vehicle is although easy to operate, and speed is slower, safety and stability, and different by selecting
The steel plate damping spring of intensity can meet the manned demand of different loadings, but when assembling steel plate and rear axle, it is usually artificial
It is hand-held to carry out fastening assembly, not only to stablize rear axle stand, also want the position of fixation steel plate and rear axle stand, the labour of manual assembly is strong
Degree is big, and assembly process needs multiple Workforce Operations, and time-consuming and laborious assembling speed is also slow.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing,
Have when assembling steel plate and rear axle, stablizes the position between rear axle stand and steel plate, the labour of manual assembly without man-hour manually hand-held
The advantages that intensity is small, and assembly process is not necessarily to multiple Workforce Operations, and time saving and energy saving assembling speed is also fast, solves and is assembling
When steel plate and rear axle, usual man-hour manually hand-held is assembled, and not only to stablize rear axle stand, also wants the position of fixation steel plate and rear axle stand
It sets, the large labor intensity of manual assembly, and assembly process needs multiple Workforce Operations, time-consuming and laborious assembling speed is also slow
Problem.
(2) technical solution
In order to achieve the above object, the invention provides the following technical scheme: it is a kind of for the quick of electric four-wheeled Vehicle Processing
Retention mechanism, including fixed frame, are fixedly connected to two fixed plates at the left and right ends upper edge of the fixed frame, and two
Rectangular shaft is connected to by rectangular through-hole sliding sleeve between the fixed plate, two opposite one end of the rectangular shaft both pass through square
Shape through-hole is simultaneously fixedly connected with grip block, and the inner wall of two sides all around of the fixed frame is fixedly connected to fixed block, described
The side of fixed block is connect by transmission mechanism with grip block, and the left and right sides is fixedly connected at the upper end-face edge of the fixed frame
There is support plate, the upper end of two support plates offers rectangular channel, connects in the rectangular channel by fixed mechanism limited
Position plate, rear side is fixedly connected with column at the upper end-face edge of the fixed frame, and the side of the column is fixedly connected with cross bar, institute
The upper end for stating cross bar is fixedly connected with hydraulic cylinder, and the output end of the hydraulic cylinder is fixed with compression bar, and the lower end of the compression bar is solid
Surely it is connected with briquetting, and the lower end of briquetting offers limiting slot, the opposite two sides of the limiting slot respectively opposite with briquetting two
End connection.
Preferably, the transmission mechanism includes the drive rod being slidably socketed on fixed block by through-hole, the drive rod
Upper end be fixedly connected with top plate, the lower end of the drive rod passes through through-hole and is fixedly connected with connecting plate, the connecting plate phase
Pair two sides pass through shaft and be rotatably connected to pull rod, two one end of the pull rod far from connecting plate pass through pivot pin respectively with
The lower end of two grip blocks is rotatablely connected, and sliding sleeve is connected to the first spring on the bar wall of the drive rod, first spring
One end is fixedly connected with connecting plate, and the other end of first spring is fixedly connected with ring block, the inside of the ring block with
The bar wall of drive rod is fixedly connected.
Preferably, the fixed mechanism includes two fixed links being slidably socketed by mounting hole in rectangular channel side, and two
One end of a fixed link is fixedly connected with connecting rod jointly, and the fixed link passes through mounting hole simultaneously far from one end of connecting rod
It is fixedly connected with the side of limit plate, the bar wall of the connecting rod is equipped with locating rod, passes through circle on the bar wall of the locating rod
The bar wall of hole and connecting rod is slidably socketed, and one end of the locating rod is fixedly connected with rectangular block, the other end of the locating rod
It is fixedly connected across circular hole and with the side of support plate, the side of the circular hole offers cylinder groove, is equipped in the cylinder groove
Position-limit mechanism is uniformly provided with multiple limiting slots matched with position-limit mechanism on the bar wall of the locating rod.
Preferably, the position-limit mechanism includes the limited block being slidably socketed in cylinder groove, and one end of the limited block is prolonged
It extends in limiting slot and offers inclined surface, the other end of the limited block is fixedly connected with second spring, the second spring
It is fixedly connected with the side of cylinder groove far from one end of limited block, offers on the bar wall of the connecting rod and be connected to cylinder groove
Strip through-hole, sliding sleeve is connected to brake block in the strip through-hole, one end of the brake block pass through strip through-hole and with limit
The side of block is fixedly connected.
Preferably, the side of the limited block is fixedly connected with sliding block, and the side of the cylinder groove offers sliding slot, described
Sliding slot is matched with sliding block.
Preferably, the side of the column is fixedly connected with support rod, offers limit hole on the bar wall of the support rod,
The support rod is slidably socketed by the bar wall of limit hole and compression bar.
Preferably, the lower edge four corners of the fixed frame are fixedly connected to support column.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing, have
Below the utility model has the advantages that
1, the quick fastening mechanism for being used for electric four-wheeled Vehicle Processing will be subtracted by the way that rectangular channel on the supporting plate is arranged
Shake steel plate is placed in rectangular channel, moves connecting rod with hand push, connecting rod stress drives fixed link to keep limit plate mobile, and limit plate moves
The dynamic vibration damper steel plate squeezed in rectangular channel, so as to manually hold vibration damper steel plate when avoiding assembly, connecting rod is on the securing lever
When mobile, second spring pushes limited block to be moved in limiting slot, so as to be limited with limiting slot cooperation to connecting rod,
So that fixed link and limit plate jointly limit vibration damper steel plate.
2, the quick fastening mechanism for being used for electric four-wheeled Vehicle Processing will be electronic by the top plate being arranged in fixed frame
The rear axle of carriage is placed on top plate, starts hydraulic cylinder, and hydraulic cylinder works push compression bar to keep briquetting mobile, and briquetting is mobile to be squeezed
Drive rod keeps connecting plate mobile, and connecting plate is mobile to drive pull rod to make two grip block relative movements, and grip block movement can be to rear
Bridge is clamped fixation, uses tool Quick fastening rear axle and vibration damper steel plate convenient for worker, hydraulic cylinder resets after assembling, after removing
Bridge, the first spring pushes ring block and fixed block resets drive rod and top plate, convenient for continuously carrying out to rear axle and vibration damper steel plate
Quick fastening.
Detailed description of the invention
Fig. 1 is a kind of quick fastening mechanism structural schematic diagram for electric four-wheeled Vehicle Processing proposed by the present invention；
Fig. 2 is a kind of left view cross-sectional view of quick fastening mechanism Fig. 1 for electric four-wheeled Vehicle Processing proposed by the present invention；
Fig. 3 is that support plate is bowed in a kind of quick fastening mechanism Fig. 1 for electric four-wheeled Vehicle Processing proposed by the present invention
Depending on structural schematic diagram；
Fig. 4 is the part knot in a kind of quick fastening mechanism Fig. 3 for electric four-wheeled Vehicle Processing proposed by the present invention at A
Structure enlarged drawing；
Fig. 5 is fixed frame and solid in a kind of quick fastening mechanism Fig. 1 for electric four-wheeled Vehicle Processing proposed by the present invention
Fixed board overlooking structure diagram.
In figure: 1 fixed frame, 2 columns, 3 hydraulic cylinders, 4 cross bars, 5 support rods, 6 briquettings, 7 top plates, 8 compression bars, 9 support plates, 10
Grip block, 11 rectangular shafts, 12 fixed plates, 13 pull rods, 14 connecting plates, 15 fixed blocks, 16 first springs, 17 support columns, 18 rectangles
Block, 19 locating rods, 20 connecting rods, 21 fixed links, 22 limit plates, 23 brake block, 24 second springs, 25 sliding slots, 26 sliding blocks, 27 limits
Position block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing, including fixed frame 1, fixed frame 1
Left and right ends upper edge at be fixedly connected to two fixed plates 12, it is sliding to pass through rectangular through-hole between two fixed plates 12
Dynamic to be socketed with rectangular shaft 11, two opposite one end of rectangular shaft 11 both pass through rectangular through-hole and are fixedly connected with grip block 10, Gu
The inner wall of two sides all around for determining frame 1 is fixedly connected to fixed block 15, and the side of fixed block 15 passes through transmission mechanism and clamping
Block 10 connects, and the left and right sides is fixedly connected to support plate 9 at the upper end-face edge of fixed frame 1, and the upper end of two support plates 9 is opened
Equipped with rectangular channel, limit plate 22 is connected with by fixed mechanism in rectangular channel, rear side is fixedly connected at the upper end-face edge of fixed frame 1
There is column 2, the side of column 2 is fixedly connected with cross bar 4, and the upper end of cross bar 4 is fixedly connected with hydraulic cylinder 3, the output of hydraulic cylinder 3
End is fixed with compression bar 8, and the lower end of compression bar 8 is fixedly connected with briquetting 6, and the lower end of briquetting 6 offers limiting slot, limiting slot phase
Pair both ends opposite with briquetting 6 are connected to respectively for two sides, the side of column 2 is fixedly connected with support rod 5, the bar wall of support rod 5
On offer limit hole, support rod 5 is slidably socketed by the bar wall of limit hole and compression bar 8, the lower edge four corners of fixed frame 1
It is fixedly connected to support column 17.
Transmission mechanism includes the drive rod being slidably socketed on fixed block 15 by through-hole, and the upper end of drive rod is fixedly connected
There is top plate 7, the lower end of drive rod passes through through-hole and is fixedly connected with connecting plate 14, and the opposite two sides of connecting plate 14 pass through shaft
It is rotatably connected to pull rod 13, two one end of pull rod 13 far from connecting plate 14 pass through pivot pin respectively and under two grip blocks 10
End is rotatablely connected, and sliding sleeve is connected to the first spring 16 on the bar wall of drive rod, and one end of the first spring 16 and connecting plate 14 are fixed
Connection, the other end of the first spring 16 are fixedly connected with ring block, and the inside of ring block is fixedly connected with the bar wall of drive rod, pressure
The mobile drive rod that squeezes of block 6 keeps connecting plate 14 mobile, and connecting plate 14 is mobile to drive pull rod 13 to relatively move two grip blocks 10,
10 movement of grip block can be clamped fixation to rear axle, use tool Quick fastening rear axle and vibration damper steel plate, group convenient for worker
Hydraulic cylinder 3 resets after dress, removes rear axle, and the first spring 16 pushes ring block and fixed block 15 resets drive rod and top plate 7, just
In continuously carrying out Quick fastening to rear axle and vibration damper steel plate, fixed mechanism includes being slidably socketed by mounting hole in rectangular channel side
Two fixed links 21, one end of two fixed links 21 is fixedly connected with connecting rod 20 jointly, and fixed link 21 is far from connecting rod 20
One end pass through and mounting hole and be fixedly connected with the side of limit plate 22, the bar wall of connecting rod 20 is equipped with locating rod 19, positioning
It is slidably socketed on the bar wall of bar 19 by circular hole and the bar wall of connecting rod 20, one end of locating rod 19 is fixedly connected with rectangular block
18, the other end of locating rod 19 passes through circular hole and is fixedly connected with the side of support plate 9, and the side of circular hole offers cylinder groove,
It is equipped with position-limit mechanism in cylinder groove, is uniformly provided with multiple limiting slots matched with position-limit mechanism on the bar wall of locating rod 19,
Connecting rod 20 is pushed, 20 stress of connecting rod drives fixed link 21 to keep limit plate 22 mobile, and limit plate 22 is mobile to be squeezed in rectangular channel
Vibration damper steel plate, so as to avoid assembly when manually hold vibration damper steel plate, connecting rod 20 in locating rod 19 when moving, second
Spring 24 pushes limited block 27 to be moved in limiting slot, so as to limit with limiting slot cooperation to connecting rod 20, in turn
So that fixed link 21 and limit plate 22 jointly limit vibration damper steel plate, the labor intensity of worker, position-limit mechanism packet are alleviated
The limited block 27 being slidably socketed in cylinder groove is included, one end of limited block 27 extends in limiting slot and offers inclined surface, limits
The other end of position block 27 is fixedly connected with second spring 24, the side of second spring 24 one end and cylinder groove far from limited block 27
It is fixedly connected, the strip through-hole being connected to cylinder groove is offered on the bar wall of connecting rod 20, sliding sleeve is connected to system in strip through-hole
Motion block 23, one end of brake block 23 pass through strip through-hole and are fixedly connected with the side of limited block 27, and the side of limited block 27 is solid
Surely it is connected with sliding block 26, the side of cylinder groove offers sliding slot 25, and sliding slot 25 is matched with sliding block 26.
In conclusion this is used for the quick fastening mechanism of electric four-wheeled Vehicle Processing, in use, vibration damper steel plate is placed on square
In shape slot, connecting rod 20 is moved with hand push, 20 stress of connecting rod drives fixed link 21 to keep limit plate 22 mobile, and limit plate 22 is mobile to be squeezed
The vibration damper steel plate in rectangular channel is pressed, so as to manually hold vibration damper steel plate when avoiding assembly, connecting rod 20 is in locating rod 19
When mobile, second spring 24 pushes limited block 27 to be moved in limiting slot, so as to limiting slot cooperation to connecting rod 20 into
Row limit, so that fixed link 21 and limit plate 22 jointly limit vibration damper steel plate, the rear axle of electric four-wheel vehicle is put
It sets on top plate 7, starts hydraulic cylinder 3,3 Work Promote compression bar 8 of hydraulic cylinder keeps briquetting 6 mobile, and the mobile drive rod that squeezes of briquetting 6 makes
Connecting plate 14 is mobile, and connecting plate 14 is mobile to drive pull rod 13 to relatively move two grip blocks 10, and 10 movement of grip block can be right
Rear axle is clamped fixation, uses tool Quick fastening rear axle and vibration damper steel plate convenient for worker, and hydraulic cylinder 3 resets after assembling, takes
Lower rear axle, the first spring 16 pushes ring block and fixed block 15 resets drive rod and top plate 7, convenient for continuously to rear axle and damping
Steel plate carries out Quick fastening.
It should be noted that term " includes " or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not clear
The other element listed, or further include for elements inherent to such a process, method, article, or device.Do not having more
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element
There is also other identical elements in method, article or equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing, including fixed frame (1), it is characterised in that: the fixation
It is fixedly connected to two fixed plates (12) at the left and right ends upper edge of frame (1), between two fixed plates (12)
It is connected to rectangular shaft (11) by rectangular through-hole sliding sleeve, two opposite one end of the rectangular shaft (11) both pass through rectangular through-hole simultaneously
It is fixedly connected with grip block (10), the inner wall of two sides all around of the fixed frame (1) is fixedly connected to fixed block (15), institute
The side for stating fixed block (15) is connect by transmission mechanism with grip block (10), at the upper end-face edge of the fixed frame (1) or so
Two sides are fixedly connected to support plate (9), and the upper end of two support plates (9) offers rectangular channel, in the rectangular channel
It being connected with limit plate (22) by fixed mechanism, rear side is fixedly connected with column (2) at the upper end-face edge of the fixed frame (1),
The side of the column (2) is fixedly connected with cross bar (4), and the upper end of the cross bar (4) is fixedly connected with hydraulic cylinder (3), described
The output end of hydraulic cylinder (3) is fixed with compression bar (8), and the lower end of the compression bar (8) is fixedly connected with briquetting (6), and briquetting (6)
Lower end offer limiting slot, both ends opposite with briquetting (6) are connected to the opposite two sides of the limiting slot respectively.
2. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 1, it is characterised in that: described
Transmission mechanism includes the drive rod being slidably socketed on fixed block (15) by through-hole, and the upper end of the drive rod is fixedly connected with
Top plate (7), the lower end of the drive rod pass through through-hole and are fixedly connected with connecting plate (14), the connecting plate (14) it is opposite two
Side passes through shaft and is rotatably connected to pull rod (13), and two pull rods (13) pass through pivot pin far from the one end of connecting plate (14)
It being rotatablely connected respectively with the lower end of two grip blocks (10), sliding sleeve is connected to the first spring (16) on the bar wall of the drive rod,
One end of first spring (16) is fixedly connected with connecting plate (14), and the other end of first spring (16) is fixedly connected with
Ring block, the inside of the ring block are fixedly connected with the bar wall of drive rod.
3. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 1, it is characterised in that: described
Fixed mechanism includes two fixed links (21) being slidably socketed by mounting hole in rectangular channel side, two fixed links (21)
One end be fixedly connected with jointly connecting rod (20), the fixed link (21) far from connecting rod (20) one end pass through mounting hole simultaneously
It is fixedly connected with the side of limit plate (22), the bar wall of the connecting rod (20) is equipped with locating rod (19), the locating rod
(19) it is slidably socketed on bar wall by circular hole and the bar wall of connecting rod (20), one end of the locating rod (19) is fixedly connected with
Rectangular block (18), the other end of the locating rod (19) pass through circular hole and are fixedly connected with the side of support plate (9), the circular hole
Side offer cylinder groove, position-limit mechanism is equipped in the cylinder groove, is uniformly provided on the bar wall of the locating rod (19)
Multiple limiting slots matched with position-limit mechanism.
4. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 3, it is characterised in that: described
Position-limit mechanism includes the limited block (27) being slidably socketed in cylinder groove, and one end of the limited block (27) extends in limiting slot
And inclined surface is offered, the other end of the limited block (27) is fixedly connected with second spring (24), the second spring (24)
It is fixedly connected, is offered on the bar wall of the connecting rod (20) and cylinder with the side of cylinder groove far from the one end of limited block (27)
The strip through-hole of slot connection, sliding sleeve is connected to brake block (23) in the strip through-hole, and one end of the brake block (23) passes through
Strip through-hole is simultaneously fixedly connected with the side of limited block (27).
5. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 4, it is characterised in that: described
The side of limited block (27) is fixedly connected with sliding block (26), and the side of the cylinder groove offers sliding slot (25), the sliding slot
(25) it is matched with sliding block (26).
6. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 1, it is characterised in that: described
The side of column (2) is fixedly connected with support rod (5), offers limit hole, the support rod on the bar wall of the support rod (5)
(5) it is slidably socketed by the bar wall of limit hole and compression bar (8).
7. a kind of quick fastening mechanism for electric four-wheeled Vehicle Processing according to claim 1, it is characterised in that: described
The lower edge four corners of fixed frame (1) are fixedly connected to support column (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530038.2A CN110253472A (en) | 2019-06-19 | 2019-06-19 | A kind of quick fastening mechanism for electric four-wheeled Vehicle Processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530038.2A CN110253472A (en) | 2019-06-19 | 2019-06-19 | A kind of quick fastening mechanism for electric four-wheeled Vehicle Processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110253472A true CN110253472A (en) | 2019-09-20 |
Family
ID=67919219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910530038.2A Pending CN110253472A (en) | 2019-06-19 | 2019-06-19 | A kind of quick fastening mechanism for electric four-wheeled Vehicle Processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110253472A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112475707A (en) * | 2020-12-10 | 2021-03-12 | 郴州市天地青龙工程机械设备有限公司 | Bucket machining equipment |
| CN113145600A (en) * | 2021-03-26 | 2021-07-23 | 重庆汽车消声器有限责任公司 | Equipment for automatically circularly cleaning three-way catalyst in bath mode |
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| CN201350605Y (en) * | 2009-01-20 | 2009-11-25 | 衡阳风顺车桥有限公司 | Retractable type clamp for assembling automobile rear axle assembly |
| CN104875147A (en) * | 2015-05-26 | 2015-09-02 | 重庆长安汽车股份有限公司 | Tool for combining automotive rear axle and plate spring |
| CN108000458A (en) * | 2017-12-01 | 2018-05-08 | 柳州市钜嘉机械有限公司 | A kind of clamping device of automobile gauge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112475707A (en) * | 2020-12-10 | 2021-03-12 | 郴州市天地青龙工程机械设备有限公司 | Bucket machining equipment |
| CN113145600A (en) * | 2021-03-26 | 2021-07-23 | 重庆汽车消声器有限责任公司 | Equipment for automatically circularly cleaning three-way catalyst in bath mode |
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Application publication date: 20190920 |