CN114310782B - Anti-loose pin shaft and production method - Google Patents
Anti-loose pin shaft and production method Download PDFInfo
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- CN114310782B CN114310782B CN202210053683.1A CN202210053683A CN114310782B CN 114310782 B CN114310782 B CN 114310782B CN 202210053683 A CN202210053683 A CN 202210053683A CN 114310782 B CN114310782 B CN 114310782B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 241001397809 Hakea leucoptera Species 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses an anti-falling pin shaft and a production method thereof, wherein the anti-falling pin shaft comprises a bottom plate, a fixed seat is fixedly connected to the right side of the top of the bottom plate, a pin sleeve is arranged at the top of the fixed seat, an anti-falling pin mechanism is arranged in the pin sleeve, and a clamping and fixing mechanism is arranged at the top of the fixed seat; the clamping and fixing mechanism comprises a vertical plate fixedly connected to the right side of the top of the fixing seat, a vertical groove is formed in the left side of the vertical plate in a penetrating mode, a clamping plate is connected to the left side of the vertical plate in a sliding mode, a connecting block is fixedly connected to the right side of the clamping plate, the right side of the connecting block penetrates through the vertical groove and extends to the inside of the vertical groove, the connecting block is connected with the inside of the vertical groove in a sliding mode, and a groove is formed in the left side of the top of the fixing seat. According to the anti-drop pin shaft and the production method, through the arrangement of the clamping and fixing mechanism, the pin sleeve is clamped and fixed, the pin shaft and the pin sleeve are convenient to assemble and connect, and the practicability is very strong.
Description
Technical Field
The invention relates to the technical field of anti-derailing pin shafts, in particular to an anti-derailing pin shaft and a production method thereof.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach.
The existing pin shaft is easy to be out of pin with the pin sleeve in the use process, accidents are easy to occur, in addition, the pin shaft needs to be assembled and connected with the pin sleeve after production, but the pin sleeve is inconvenient to fix, in addition, the pin shaft is generally manually inserted into the pin sleeve for assembly, time and labor are wasted, the working efficiency is low, and the pin shaft capable of preventing the pin from being out of pin and the production method are provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-loose pin shaft and a production method thereof, which solve the problems that the existing pin shaft is easy to be out of pin with a pin sleeve in the use process, the pin sleeve is inconvenient to fix, and the assembly mode of the pin shaft and the pin sleeve is backward.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the anti-drop pin shaft comprises a bottom plate, wherein a fixed seat is fixedly connected to the right side of the top of the bottom plate, a pin sleeve is arranged at the top of the fixed seat, an anti-drop pin mechanism is arranged in the pin sleeve, and a clamping and fixing mechanism is arranged at the top of the fixed seat; the clamping and fixing mechanism comprises a vertical plate fixedly connected to the right side of the top of the fixing seat, a vertical groove is formed in the left side of the vertical plate in a penetrating mode, a clamping plate is connected to the left side of the vertical plate in a sliding mode, a connecting block is fixedly connected to the right side of the clamping plate, the right side of the connecting block penetrates through the vertical groove and extends to the inside of the vertical groove, the connecting block is connected with the inside of the vertical groove in a sliding mode, a groove is formed in the left side of the top of the fixing seat in a penetrating mode, the bottom of the pin bush penetrates through the groove and extends to the inside of the groove, the top of the fixing seat is connected with a first threaded rod in a rotating mode, the top of the first threaded rod penetrates through the clamping plate and extends to the top of the clamping plate, the outer surface of the first threaded rod is in threaded connection with the inner surface of the clamping plate, and the bottom of the first threaded rod is fixedly connected with a first rotating handle in a contact extrusion mode with the top of the pin bush.
Preferably, the anti-drop pin mechanism comprises a transverse groove formed in the front side and the rear side of the inner surface of the pin sleeve, the front side and the rear side of the pin sleeve are both connected with sliding rods in a sliding mode, and the opposite ends of the two sliding rods penetrate through the pin sleeve and extend to the inner portion of the transverse groove.
Preferably, the opposite ends of the two sliding rods are fixedly connected with clamping blocks, the outer surfaces of the two sliding rods are sleeved with springs, and the opposite ends of the two springs are fixedly connected with one side of the clamping blocks.
Preferably, two ends that the spring kept away from mutually all with the inner wall fixed connection of transverse slot, two the slide bar kept away from mutually one end all fixedly connected with fixed handle.
Preferably, the left side fixedly connected with mount pad at bottom plate top, square groove has been seted up at the top of mount pad, it is connected with the second threaded rod to rotate between the left and right sides of square groove inner wall, the left end of second threaded rod runs through the mount pad and extends to the left side of mount pad.
Preferably, the left end fixedly connected with second rotation handle of second threaded rod, the internal surface sliding connection of square groove has the slider, the surface of second threaded rod and the internal surface threaded connection of slider, the front and back side at slider top is all fixedly connected with fixed plate.
Preferably, the opposite sides of the two fixing plates are fixedly connected with hydraulic rods, the opposite ends of the two hydraulic rods are fixedly connected with clamping arc plates, a pin shaft is arranged between the opposite sides of the two clamping arc plates, and the opposite sides of the two clamping arc plates are in contact extrusion with the outer surface of the pin shaft.
Preferably, slots are formed in the front side and the rear side of the pin shaft, the right end of the pin shaft penetrates through the pin sleeve and extends to the inside of the pin sleeve, the opposite ends of the two clamping blocks penetrate through the slots and extend to the inside of the slots, and the outer surfaces of the two clamping blocks are clamped with the inner surfaces of the slots.
The invention also discloses a production method of the anti-derailing pin shaft, which comprises the following steps:
s1, firstly, placing a pin bush in a groove, further rotating a first rotating handle, driving a first threaded rod to rotate by the first rotating handle, driving a clamping plate to move downwards by the first threaded rod, driving a connecting block to slide downwards along the inner surface of a vertical groove by the clamping plate, and finally enabling the clamping plate to clamp and fix the pin bush;
s2, further rotating the second rotating handle to enable the second rotating handle to drive the second threaded rod to rotate, meanwhile, the second threaded rod drives the sliding block to slide rightwards along the inner surface of the square groove, finally, the sliding block drives the pin shaft to be inserted into the pin sleeve, the loosening hydraulic rod is further closed, the hydraulic rod drives the two clamping arc plates to loosen the pin shaft, and the pin shaft and the pin sleeve are connected;
s3, after the pin shaft is inserted into the pin sleeve, the pin shaft is contacted with the cambered surfaces of the two clamping blocks and extruded, and finally the pin shaft starts to push the two sliding blocks to move back to back, meanwhile, the two clamping blocks drive the two sliding rods to slide back to back, meanwhile, the two clamping blocks start to extrude the compression spring, and when two slots on the pin shaft are in butt joint with the clamping blocks, the spring resets and drives the two clamping blocks to slide into the slots.
Advantageous effects
The invention provides an anti-derailing pin shaft and a production method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) According to the anti-drop pin shaft and the production method, the pin sleeve is placed in the groove, the first rotating handle is further rotated, meanwhile, the first rotating handle drives the first threaded rod to rotate, meanwhile, the first threaded rod drives the clamping plate to move downwards, meanwhile, the clamping plate drives the connecting block to slide downwards along the inner surface of the vertical groove, finally, the clamping plate clamps and fixes the pin sleeve, the pin sleeve is clamped and fixed through the arrangement of the clamping and fixing mechanism, the pin sleeve is conveniently and further assembled and connected with the pin sleeve, and the practicability is very high.
(2) According to the anti-drop pin shaft and the production method, the second rotating handle is rotated, so that the second rotating handle drives the second threaded rod to rotate, meanwhile, the second threaded rod drives the sliding block to slide rightwards along the inner surface of the square groove, the sliding block finally drives the pin shaft to be inserted into the pin sleeve, the loosening hydraulic rod is further closed, the hydraulic rod drives the two clamping arc plates to loosen the pin shaft, the pin shaft is connected with the pin sleeve, manual insertion into the pin sleeve by manpower is avoided, time and physical strength are saved, and work efficiency is improved.
(3) According to the anti-drop pin shaft and the production method, after the pin shaft is inserted into the pin sleeve, the pin shaft is contacted with the cambered surfaces of the two clamping blocks and extruded, finally, the pin shaft starts to push the two sliding blocks to move back, meanwhile, the two clamping blocks drive the two sliding rods to slide back, meanwhile, the two clamping blocks start to extrude the compression spring, when the two slots on the pin shaft are in butt joint with the clamping blocks, the spring drives the two clamping blocks to slide into the slots, through the arrangement of the anti-drop pin mechanism, the pin shaft is quickly connected with the pin sleeve, meanwhile, the pin shaft is prevented from being separated from the pin sleeve when the stress is overlarge, and the anti-drop pin effect is achieved.
Drawings
FIG. 1 is a perspective view of an external structure of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a diagram showing the connection state of the pin shaft and the pin sleeve according to the invention;
FIG. 4 is a cross-sectional view of a pin sleeve of the present invention;
fig. 5 is a partial structural perspective view of the present invention.
In the figure: 1-bottom plate, 2-fixing base, 3-pin bush, 4-anti-releasing pin mechanism, 5-clamping fixing mechanism, 51-vertical plate, 52-vertical groove, 53-clamping plate, 54-connecting block, 55-groove, 56-first threaded rod, 57-first rotating handle, 41-transverse groove, 42-sliding rod, 43-clamping block, 44-spring, 45-fixed handle, 6-mounting seat, 7-square groove, 8-second threaded rod, 9-second rotating handle, 10-sliding block, 11-fixed plate, 12-hydraulic rod, 13-clamping arc plate, 14-pin shaft and 15-slot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the anti-drop pin shaft comprises a bottom plate 1, a fixed seat 2 is fixedly connected to the right side of the top of the bottom plate 1, a pin bush 3 is arranged at the top of the fixed seat 2, an anti-drop pin mechanism 4 is arranged in the pin bush 3, and a clamping and fixing mechanism 5 is arranged at the top of the fixed seat 2; the clamping and fixing mechanism 5 comprises a vertical plate 51 fixedly connected to the right side of the top of the fixed seat 2, a vertical groove 52 is penetrated and arranged on the left side of the vertical plate 51, a clamping plate 53 is connected to the left side of the vertical plate 51 in a sliding way, a connecting block 54 is fixedly connected to the right side of the clamping plate 53, the right side of the connecting block 54 penetrates through the vertical groove 52 and extends to the inside of the vertical groove 52, the connecting block 54 is connected with the inside of the vertical groove 52 in a sliding way, a groove 55 is arranged on the left side of the top of the fixed seat 2, the groove 55 is matched with the size of the pin bush 3, the bottom of the pin bush 3 penetrates through the groove 55 and extends to the inside of the groove 55, the top of the fixed seat 2 is positioned on the left side of the vertical plate 51 and is rotationally connected with a first threaded rod 56, the top of the first threaded rod 56 penetrates through the clamping plate 53 and extends to the top of the clamping plate 53, the outer surface of the first threaded rod 56 is in threaded connection with the inner surface of the clamping plate 53, and the top of the first threaded rod 56 is fixedly connected with a first rotating handle 57, the bottom of the clamping plate 53 is extruded in contact with the top of the pin bush 3, the anti-drop pin mechanism 4 comprises a transverse groove 41 arranged on the front side and the rear side of the inner surface of the pin bush 3, the front side and the rear side of the pin bush 3 are respectively connected with a sliding rod 42 in a sliding way, the opposite ends of the two sliding rods 42 respectively penetrate through the pin bush 3 and extend into the transverse groove 41, the opposite ends of the two sliding rods 42 are respectively fixedly connected with a clamping block 43, the opposite sides of the two clamping blocks 43 are respectively provided with an arc surface, the contact extrusion with the pin shaft 14 is facilitated, the outer surfaces of the two sliding rods 42 are respectively sleeved with a spring 44, the opposite ends of the two springs 44 are respectively fixedly connected with one side of the clamping blocks 43, the end, away from each other, of the two sliding rods 42 is respectively fixedly connected with a fixed handle 45, the left side of the top of the bottom plate 1 is fixedly connected with a mounting seat 6, the top of the mounting seat 6 is provided with a square groove 7, the left end of the second threaded rod 8 penetrates through the mounting seat 6 and extends to the left side of the mounting seat 6, the left end of the second threaded rod 8 is fixedly connected with the second rotating handle 9, the inner surface of the square groove 7 is slidably connected with the sliding block 10, the outer surface of the second threaded rod 8 is in threaded connection with the inner surface of the sliding block 10, the front side and the rear side of the top of the sliding block 10 are fixedly connected with the fixing plate 11, the opposite sides of the two fixing plates 11 are fixedly connected with the hydraulic rods 12, the hydraulic rods 12 are controlled by an external switch and electrically connected with an external power supply, the opposite ends of the two hydraulic rods 12 are fixedly connected with the clamping arc plates 13, a pin shaft 14 is arranged between the opposite sides of the two clamping arc plates 13, the opposite sides of the two clamping arc plates 13 are in contact extrusion with the outer surface of the pin shaft 14, the front side and the rear side of the pin shaft 14 are respectively provided with the slot 15, the right end of the pin shaft 14 penetrates through the pin sleeve 3 and extends to the inside of the pin sleeve 3, the opposite ends of the two clamping blocks 43 penetrate through the slot 15 and extend to the inside the slot 15, and are in the inside of the slot 15 respectively, and the opposite ends of the two clamping blocks 43 are connected with the inner surfaces 43.
The invention also discloses a production method of the anti-derailing pin shaft, which comprises the following steps:
s1, firstly, placing the pin bush 3 in the groove 55, further rotating the first rotating handle 57, driving the first threaded rod 56 to rotate by the first rotating handle 57, driving the clamping plate 53 to move downwards by the first threaded rod 56, driving the connecting block 54 to slide downwards along the inner surface of the vertical groove 52 by the clamping plate 53, and finally enabling the clamping plate 53 to clamp and fix the pin bush 3;
s2, further rotating the second rotating handle 9, so that the second rotating handle 9 drives the second threaded rod 8 to rotate, meanwhile, the second threaded rod 8 drives the sliding block 10 to slide rightwards along the inner surface of the square groove 7, finally, the sliding block 10 drives the pin shaft 14 to be inserted into the pin sleeve 3, the loosening hydraulic rod 12 is further closed, the hydraulic rod 12 drives the two clamping arc plates 13 to loosen the pin shaft 14, and the pin shaft 14 is connected with the pin sleeve 3;
s3, after the pin shaft 14 is inserted into the pin sleeve 3, the pin shaft 14 is contacted with the cambered surfaces of the two clamping blocks 43 and extruded, and finally the pin shaft 14 starts to push the two sliding blocks 10 to move back, meanwhile, the two clamping blocks 43 drive the two sliding rods 42 to slide back, meanwhile, the two clamping blocks 43 start to extrude the compression spring 44, and when the two slots 15 on the pin shaft 14 are in butt joint with the clamping blocks 43, the spring 44 resets and drives the two clamping blocks 43 to slide into the slots 15.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an anticreep round pin axle, includes bottom plate (1), its characterized in that: the right side of the top of the bottom plate (1) is fixedly connected with a fixing seat (2), the top of the fixing seat (2) is provided with a pin sleeve (3), the inside of the pin sleeve (3) is provided with an anti-drop pin mechanism (4), and the top of the fixing seat (2) is provided with a clamping and fixing mechanism (5);
the clamping and fixing mechanism (5) comprises a vertical plate (51) fixedly connected to the right side of the top of the fixing seat (2), a vertical groove (52) is formed in the left side of the vertical plate (51) in a penetrating mode, a clamping plate (53) is connected to the left side of the vertical plate (51) in a rotating mode, a connecting block (54) is fixedly connected to the right side of the clamping plate (53), the right side of the connecting block (54) penetrates through the vertical groove (52) and extends to the inside of the vertical groove (52), the connecting block (54) is in sliding connection with the inside of the vertical groove (52), a groove (55) is formed in the left side of the top of the fixing seat (2), the bottom of the pin sleeve (3) penetrates through the groove (55) and extends to the inside of the groove (55), a first threaded rod (56) is connected to the left side of the vertical plate (51) in a rotating mode, the top of the first threaded rod (56) penetrates through the clamping plate (53) and extends to the top of the clamping plate (53), the outer surface of the first threaded rod (56) is connected with the inner surface of the clamping plate (52) in a sliding mode, and the top of the first threaded rod (56) is fixedly connected with the top of the handle (53) in a pressing mode.
The anti-drop pin mechanism (4) comprises transverse grooves (41) formed in the front side and the rear side of the inner surface of the pin sleeve (3), sliding rods (42) are slidably connected to the front side and the rear side of the pin sleeve (3), opposite ends of the two sliding rods (42) penetrate through the pin sleeve (3) and extend into the transverse grooves (41), clamping blocks (43) are fixedly connected to the opposite ends of the two sliding rods (42), springs (44) are sleeved on the outer surfaces of the two sliding rods (42), opposite ends of the two springs (44) are fixedly connected with one sides of the clamping blocks (43), one ends, away from each other, of the two springs (44) are fixedly connected with the inner walls of the transverse grooves (41), and fixed handles (45) are fixedly connected to the ends, away from each other, of the two sliding rods (42);
the left side fixedly connected with mount pad (6) at bottom plate (1) top, square groove (7) have been seted up at the top of mount pad (6), rotate between the left and right sides of square groove (7) inner wall and be connected with second threaded rod (8), the left end of second threaded rod (8) runs through mount pad (6) and extends to the left side of mount pad (6), the left end fixedly connected with second rotation handle (9) of second threaded rod (8), the internal surface sliding connection of square groove (7) has slider (10), the surface of second threaded rod (8) and the internal surface threaded connection of slider (10), the front and back side at slider (10) top all fixedly connected with fixed plate (11), two the opposite sides of fixed plate (11) all fixedly connected with hydraulic rod (12), two the opposite ends of hydraulic rod (12) all fixedly connected with clamp arc board (13), be provided with round pin axle (14) between the opposite sides of two clamp board (13), two clamp board (13) the surface sliding connection has slider (10) on the surface of round pin axle (14) and the inside of round pin axle (3) all, the inside of round pin axle (14) all runs through the arc cover (14) and runs through the external surface of round pin axle (3), opposite ends of the two clamping blocks (43) penetrate through the slot (15) and extend into the slot (15), and outer surfaces of the two clamping blocks (43) are clamped with inner surfaces of the slot (15);
the production method of the anti-drop pin shaft specifically comprises the following steps:
s1, firstly, placing a pin sleeve (3) in a groove (55), further rotating a first rotating handle (57), simultaneously driving a first threaded rod (56) to rotate by the first rotating handle (57), simultaneously driving a clamping plate (53) to move downwards by the first threaded rod (56), simultaneously driving a connecting block (54) to slide downwards along the inner surface of a vertical groove (52) by the clamping plate (53), and finally enabling the clamping plate (53) to clamp and fix the pin sleeve (3);
s2, further rotating the second rotating handle (9), enabling the second rotating handle (9) to drive the second threaded rod (8) to rotate, enabling the second threaded rod (8) to drive the sliding block (10) to slide rightwards along the inner surface of the square groove (7), finally enabling the sliding block (10) to drive the pin shaft (14) to be inserted into the pin bush (3), further closing the loosening hydraulic rod (12), enabling the hydraulic rod (12) to drive the two clamping arc plates (13) to loosen the pin shaft (14), and enabling the pin shaft (14) to be connected with the pin bush (3);
s3, after the pin shaft (14) is inserted into the pin sleeve (3), the pin shaft (14) is in contact with the cambered surfaces of the two clamping blocks (43) and is extruded, and finally the pin shaft (14) starts to push the two sliding blocks (10) to move back, meanwhile, the two clamping blocks (43) drive the two sliding rods (42) to slide back, meanwhile, the two clamping blocks (43) start to extrude the compression spring (44), and when the two slots (15) on the pin shaft (14) are in butt joint with the clamping blocks (43), the spring (44) returns and drives the two clamping blocks (43) to slide into the slots (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053683.1A CN114310782B (en) | 2022-01-18 | 2022-01-18 | Anti-loose pin shaft and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053683.1A CN114310782B (en) | 2022-01-18 | 2022-01-18 | Anti-loose pin shaft and production method |
Publications (2)
| Publication Number | Publication Date |
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| CN114310782A CN114310782A (en) | 2022-04-12 |
| CN114310782B true CN114310782B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210053683.1A Active CN114310782B (en) | 2022-01-18 | 2022-01-18 | Anti-loose pin shaft and production method |
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| CN (1) | CN114310782B (en) |
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| CN107309836A (en) * | 2017-08-22 | 2017-11-03 | 施双收 | Multifunctional pulling rider |
| KR101870336B1 (en) * | 2016-12-30 | 2018-06-22 | 우제훈 | Chain pin disassemble device |
| CN209007469U (en) * | 2018-11-05 | 2019-06-21 | 博格华纳汽车零部件(天津)有限公司 | It is a kind of for installing the clutch kludge of outer clutch-driven piston |
| JP2019188582A (en) * | 2018-04-28 | 2019-10-31 | 福建省通通発科技発展有限公司 | Highly efficient and new type jig component for work-piece clamping |
| CN212386500U (en) * | 2020-05-15 | 2021-01-22 | 唐利山 | Coal mine car bolt anti-disengaging device |
| CN214066746U (en) * | 2020-12-10 | 2021-08-27 | 漳州市和泰工程检测有限公司 | Portable building material detection device |
| CN214818239U (en) * | 2021-03-26 | 2021-11-23 | 浙江一铭机车部件有限公司 | Automatic assembly device for bushing |
| WO2021237632A1 (en) * | 2020-05-29 | 2021-12-02 | 南京溧水高新创业投资管理有限公司 | Metal component grinding device with positioning function |
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2022
- 2022-01-18 CN CN202210053683.1A patent/CN114310782B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997961A (en) * | 1975-09-11 | 1976-12-21 | Sandrick John A | Portable press device |
| KR101870336B1 (en) * | 2016-12-30 | 2018-06-22 | 우제훈 | Chain pin disassemble device |
| CN106926191A (en) * | 2017-04-12 | 2017-07-07 | 万向钱潮传动轴有限公司 | Connection fork provision for disengagement in the middle of a kind of power transmission shaft |
| CN107309836A (en) * | 2017-08-22 | 2017-11-03 | 施双收 | Multifunctional pulling rider |
| JP2019188582A (en) * | 2018-04-28 | 2019-10-31 | 福建省通通発科技発展有限公司 | Highly efficient and new type jig component for work-piece clamping |
| CN209007469U (en) * | 2018-11-05 | 2019-06-21 | 博格华纳汽车零部件(天津)有限公司 | It is a kind of for installing the clutch kludge of outer clutch-driven piston |
| CN212386500U (en) * | 2020-05-15 | 2021-01-22 | 唐利山 | Coal mine car bolt anti-disengaging device |
| WO2021237632A1 (en) * | 2020-05-29 | 2021-12-02 | 南京溧水高新创业投资管理有限公司 | Metal component grinding device with positioning function |
| CN214066746U (en) * | 2020-12-10 | 2021-08-27 | 漳州市和泰工程检测有限公司 | Portable building material detection device |
| CN214818239U (en) * | 2021-03-26 | 2021-11-23 | 浙江一铭机车部件有限公司 | Automatic assembly device for bushing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114310782A (en) | 2022-04-12 |
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