CN219684820U - Auxiliary positioning and supporting device for accurate grinding of inner wall of hydraulic cylinder barrel - Google Patents
Auxiliary positioning and supporting device for accurate grinding of inner wall of hydraulic cylinder barrel Download PDFInfo
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- CN219684820U CN219684820U CN202321074652.0U CN202321074652U CN219684820U CN 219684820 U CN219684820 U CN 219684820U CN 202321074652 U CN202321074652 U CN 202321074652U CN 219684820 U CN219684820 U CN 219684820U
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- 238000009434 installation Methods 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an auxiliary positioning support device for fine grinding of an inner wall of a hydraulic cylinder, which belongs to the technical field of auxiliary positioning support devices for hydraulic cylinder processing, and aims at solving the problem that the auxiliary positioning support device can incline to a certain extent, so that the fine grinding quality of the inner wall of the hydraulic cylinder can be reduced when the hydraulic cylinder is processed in a certain inclined state; according to the hydraulic cylinder barrel fixing device, the hydraulic cylinder barrel fixed on the supporting plate can be in a horizontal state, so that the quality of fine grinding machining of the hydraulic cylinder barrel can be ensured, economic loss caused by machining of the hydraulic cylinder barrel in an inclined state is avoided, and the practicability of the hydraulic cylinder barrel fixing device is improved.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinder barrel processing supporting devices, and particularly relates to an auxiliary positioning supporting device for accurate grinding of an inner wall of a hydraulic cylinder barrel.
Background
The hydraulic cylinder barrel is used as a main component of products such as a hydraulic cylinder, a mining single prop, a hydraulic support, a gun barrel and the like, the service life and the reliability of the whole product are directly influenced by the quality of the processing of the hydraulic cylinder barrel, the cylinder barrel is high in processing requirement, the requirement on the roughness of the inner surface of the hydraulic cylinder barrel is Ra0.4-0.8 & um, the coaxiality and the wear resistance of the hydraulic cylinder barrel are strict, and the hydraulic cylinder barrel is limited by using a corresponding auxiliary positioning and supporting device when the inner wall of the hydraulic cylinder barrel is finely ground.
Although the auxiliary positioning and supporting device for the hydraulic cylinder barrel in the prior art can realize the limiting effect on the hydraulic cylinder barrel, in the process of actual use, the auxiliary positioning and supporting device possibly has a certain degree of inclination due to the error of the installation position or the installation time of the auxiliary positioning and supporting device, so that the hydraulic cylinder barrel is in a certain inclination state, the accurate grinding quality of the inner wall of the hydraulic cylinder barrel can be reduced during processing in the state, the hydraulic cylinder barrel after the processing is finished can not meet the use requirement, and certain economic loss is caused, so that the hydraulic cylinder barrel is unfavorable for use.
Therefore, there is a need for an auxiliary positioning support device for fine grinding of the inner wall of a hydraulic cylinder, which solves the problem that the auxiliary positioning support device in the prior art may incline to a certain extent, so that the fine grinding quality of the inner wall of the hydraulic cylinder is reduced when the hydraulic cylinder is in a certain inclined state.
Disclosure of Invention
The utility model aims to provide an auxiliary positioning and supporting device for fine grinding of the inner wall of a hydraulic cylinder barrel, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic cylinder inner wall fine grinding auxiliary positioning strutting arrangement, includes the installation base, the surface rotation of installation base top one side is connected with the backup pad, the fixed surface of backup pad one end has bubble spirit level, two be the symmetric distribution's pole grooves have been seted up on the surface of installation base top opposite side, one of them the inside rotation in pole groove is connected with first threaded rod, the outer peripheral face threaded connection of first threaded rod has first thread bush, another the inside in pole groove is fixed with the gag lever post, the outer peripheral face slip cap of gag lever post is equipped with the stop collar, the intermediate position department of first thread bush and stop collar is fixed with the connecting plate, the top of first thread bush and stop collar articulates there is first movable rod, the top of first movable rod articulates with the surface of backup pad bottom mutually, one side of first threaded rod passes the installation base and extends the outside of installation base, the outer peripheral face fixed cover of first threaded rod extension installation base outside part is equipped with first gear, the surface rotation of installation base one side is connected with the dwang, the outer peripheral face fixed cover of dwang is equipped with the second gear, be connected with the meshing between first gear and the first gear.
In the scheme, it is to be noted that a plurality of reinforcing grooves are evenly formed in the middle position of the two rod grooves at the top of the mounting base, two openings which are symmetrically distributed are formed in the surface of two sides of the connecting plate in a penetrating mode, sliding blocks which are symmetrically distributed are inserted into the openings, and first bolts which are symmetrically distributed are connected with the surfaces of two ends of the connecting plate in a threaded mode.
It is further worth to say that the surface that the first bolt is close to one side each other extends to adjacent position open-ended inside and is the rotation with the surface of adjacent position slider and be connected the setting, the surface of slider runs through threaded connection and has the second bolt, the bottom of second bolt extends to adjacent position stiffening groove's inside.
It is still further to be noted that the intermediate position department of backup pad top surface has seted up the standing groove, the inner wall of standing groove is fixed with the magnetic chuck, the both sides position department of backup pad top surface is fixed with and is the fixed framework of symmetric distribution, the internal surface rotation of fixed framework is connected with the second threaded rod, the one side that fixed framework is close to each other is provided with the splint that are symmetric distribution, the outer peripheral face threaded connection of second threaded rod has two second thread bush, one side of second thread bush articulates there is the second movable rod, one side that the second movable rod is close to adjacent position splint articulates with the surface of adjacent position splint mutually.
As a preferred embodiment, one end of the second threaded rod penetrates through the adjacent position fixing frame body and extends out of the fixing frame body, a belt pulley is fixedly sleeved at a position, extending to the outer portion of the adjacent position fixing frame body, of the second threaded rod, and a connecting belt is arranged at the middle position of the two belt pulleys.
As a preferred implementation mode, the top surface of the supporting plate is provided with a storage groove at the bottom of the two clamping plates, an embedded rod is fixed in the storage groove, a connecting sleeve which is arranged in an L shape is sleeved on the outer peripheral surface of the embedded rod in a sliding manner, and one side of the connecting sleeve is fixed with the surface of the adjacent fixed frame body.
Compared with the prior art, the auxiliary positioning and supporting device for fine grinding of the inner wall of the hydraulic cylinder barrel provided by the utility model at least comprises the following beneficial effects:
(1) Through bubble spirit level and first movable rod, the bubble spirit level can be used for observing whether the backup pad is in under the incline condition, if the bubble spirit level is in under the incline condition make first movable rod take place the angle variation until under adjusting the backup pad to the horizontality to can be in under the horizontality to the fixed hydraulic cylinder of backup pad, thereby can ensure the quality of hydraulic cylinder fine grinding processing, thereby avoid because the hydraulic cylinder is in the economic loss that processing caused under the incline condition, thereby improved the practicality of the device.
(2) Through magnetic chuck and splint, the magnetic chuck can magnetically inhale the surface of adsorbing the hydraulic cylinder bottom to the direction motion that is close to each other in step at two splint, thereby can the centre gripping fix the surface of hydraulic cylinder both sides, thereby can fix the hydraulic cylinder fast, and possess certain firm effect, thereby improved the device's use convenience.
Drawings
FIG. 1 is a schematic perspective view of the present utility model in front view;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic perspective view of a connecting plate according to the present utility model;
fig. 4 is a schematic cross-sectional view of a perspective structure of a support plate according to the present utility model.
In the figure: 1. a mounting base; 2. a support plate; 3. a bubble level; 4. a mounting groove; 5. a magnetic chuck; 6. a rod groove; 7. a first threaded rod; 8. a first gear; 9. a rotating lever; 10. a second gear; 11. a first threaded sleeve; 12. a limit rod; 13. a limit sleeve; 14. a connecting plate; 15. a reinforcing groove; 16. an opening; 17. a first bolt; 18. a slide block; 19. a second bolt; 20. fixing the frame; 21. a first movable lever; 22. a clamping plate; 23. a second movable rod; 24. a second threaded rod; 25. a belt pulley; 26. a connecting belt; 27. a second threaded sleeve; 28. a storage groove; 29. an embedded rod; 30. and (5) connecting the sleeve.
Detailed Description
Referring to fig. 1-4, the utility model provides an auxiliary positioning support device for fine grinding of an inner wall of a hydraulic cylinder barrel, which comprises a mounting base 1, wherein a supporting plate 2 is rotatably connected to the surface of one side of the top of the mounting base 1, a bubble level 3 is fixed to the surface of one end of the supporting plate 2, two symmetrically distributed rod grooves 6 are formed in the surface of the other side of the top of the mounting base 1, a first threaded rod 7 is rotatably connected to the inner part of one rod groove 6, a first thread bush 11 is in threaded connection with the outer peripheral surface of the first threaded rod 7, a limiting rod 12 is fixed to the inner part of the other rod groove 6, a limiting sleeve 13 is arranged on the outer peripheral surface sliding sleeve of the limiting rod 12, a connecting plate 14 is fixed to the middle position of the first thread bush 11 and the limiting sleeve 13, a first movable rod 21 is hinged to the top of the first thread bush 11 and the top of the limiting sleeve 13, the top of the first movable rod 21 is hinged to the surface of the bottom of the supporting plate 2, one side of the first threaded rod 7 penetrates through the installation base 1 and extends out of the installation base 1, a first gear 8 is fixedly sleeved on the outer peripheral surface of the outer part of the first threaded rod 7 extending out of the installation base 1, a rotating rod 9 is rotatably connected to the surface of one side of the installation base 1, a second gear 10 is fixedly sleeved on the outer peripheral surface of the rotating rod 9, the second gear 10 is in meshed connection with the first gear 8, after the installation base 1 is installed, whether the supporting plate 2 is in a horizontal state or not is judged by observing the bubble level meter 3, if the supporting plate is in the horizontal state, the hydraulic cylinder is directly fixed, if the supporting plate is not in the horizontal state, the first threaded rod 7 is rotated to enable the first movable rod 21 to change in angle, and the supporting plate 2 is adjusted to be fixed in the horizontal state.
As further shown in fig. 1 and 3, it is worth specifically describing that a plurality of reinforcing grooves 15 are uniformly formed in the middle position of the two rod grooves 6 at the top of the mounting base 1, two symmetrically distributed openings 16 are formed in the surfaces of two sides of the connecting plate 14 in a penetrating manner, symmetrically distributed sliding blocks 18 are inserted into the interiors of the two openings 16, first bolts 17 are symmetrically distributed in threaded connection with the surfaces of two ends of the connecting plate 14, the surfaces of the first bolts 17 close to each other extend to the interiors of the openings 16 at the adjacent positions and are rotatably connected with the surfaces of the sliding blocks 18 at the adjacent positions, second bolts 19 are connected with the surfaces of the sliding blocks 18 in penetrating manner, the bottoms of the second bolts 19 extend to the interiors of the reinforcing grooves 15 at the adjacent positions, when the connecting plate 14 moves to the corresponding positions along the horizontal direction along with the first threaded sleeve 11, the sliding blocks 18 at the adjacent positions move along the horizontal direction under the interference effect of the inner walls of the openings 16, the second bolts 19 can move to the top positions of the reinforcing grooves 15 at the adjacent positions, and then the second bolts 19 are rotated to enable the second bolts 19 to extend to the bottoms of the adjacent positions to be movably embedded into the reinforcing grooves 21 at the bottoms of the adjacent positions under the threaded structures of the adjacent position sliding blocks 18.
Further, as shown in fig. 1 and fig. 4, it is worth specifically explaining that the intermediate position department of backup pad 2 top surface has seted up mounting groove 4, the inner wall of mounting groove 4 is fixed with magnetic chuck 5, the both sides position department of backup pad 2 top surface is fixed with and is symmetrical distribution's fixed framework 20, the internal surface rotation of fixed framework 20 is connected with second threaded rod 24, the one side that fixed framework 20 is close to each other is provided with and is symmetrical distribution's splint 22, the outer peripheral face threaded connection of second threaded rod 24 has two second thread bush 27, one side of second thread bush 27 articulates there is second movable rod 23, one side that second movable rod 23 is close to adjacent position splint 22 is articulated with adjacent position splint 22's surface, through making second threaded rod 24 rotate and because second thread bush 27 receive the interference spacing effect of adjacent position fixed framework 20 to second thread bush 27 and the both ends of second threaded rod 24 outer peripheral face be provided with opposite screw thread structure, thereby make two adjacent second thread bush 27 can be in its internal wall the corresponding screw thread structure and second threaded rod 24 and the mutual position outside face of second threaded rod 24 and make the mutual hydraulic pressure change and make the mutual movable rod's of moving direction of the second movable rod 23 and make the mutual movable rod 23 move towards the opposite direction.
Further, as shown in fig. 2, it is worth specifically describing that one end of the second threaded rod 24 passes through the adjacent fixed frame 20 and extends out of the fixed frame 20, the second threaded rod 24 extends to the position of the outer portion of the adjacent fixed frame 20 and is fixedly sleeved with a belt pulley 25, a connecting belt 26 is arranged at the middle position of the two belt pulleys 25, and by rotating one of the second threaded rods 24, the belt pulley 25 at the adjacent position rotates, so that the other belt pulley 25 drives the other second threaded rod 24 to rotate under the connection action of the connecting belt 26.
The scheme comprises the following working processes: in the actual use process, when a user needs to fix the support plate 2 after installing the installation base 1, if the installation base is in a horizontal state, the hydraulic cylinder barrel is directly fixed through observation, if the installation base is not in the horizontal state, the second gear 10 rotates through rotating the rotating rod 9, so that the second gear 10 and the first gear 8 are meshed, the first threaded rod 7 can rotate, the user can slightly adjust the angle of the first threaded rod 7 due to the size difference between the first gear 8 and the second gear 10, and the inner wall of the rod groove 6 can play a role of abutting and limiting the first threaded sleeve 11, so that the first threaded sleeve 11 moves in the horizontal direction under the cooperation between the inner threaded structure of the inner wall of the first threaded sleeve and the outer threaded structure of the outer peripheral surface of the first threaded rod 7, so that the limit sleeve 13 can slide along the outer circumferential surface of the limit rod 12 under the connection action of the connection plate 14, thereby playing a further limit role, so that the two first movable rods 21 can synchronously change angles, so that the support plate 2 can change angles until the support plate 2 can be in a horizontal state, then the bottom of the hydraulic cylinder barrel is placed in the placement groove 4 and is adsorbed to the bottom of the hydraulic cylinder barrel under the magnetic attraction action of the magnetic chuck 5, thereby playing a limiting role on the hydraulic cylinder barrel, then one of the second threaded rods 24 is rotated, so that the pulleys 25 at adjacent positions are rotated, so that the other pulley 25 drives the other second threaded rod 24 to rotate under the connection action of the connection belt 26, because the second thread sleeve 27 receives the interference limiting effect of the inner wall of the adjacent position fixing frame body 20 on the second thread sleeve 27 and opposite thread structures are arranged at two ends of the outer circumferential surface of the second threaded rod 24, the two adjacent second thread sleeves 27 can move towards the direction close to each other under the matching effect between the inner thread structure of the inner wall of the second thread sleeve and the outer thread structure of the corresponding position of the outer circumferential surface of the second threaded rod 24, so that the second movable rod 23 is subjected to angle change, the clamping plate 22 can move towards the direction close to each other, and the hydraulic cylinder barrel arranged at the top of the magnetic chuck 5 is clamped and fixed.
The working process can be as follows: through bubble spirit level 3 and first movable rod 21, bubble spirit level 3 can be used for observing whether backup pad 2 is in under the incline condition, if bubble spirit level 3 is in under the incline condition make first movable rod 21 take place the angle variation until under adjusting backup pad 2 to the horizontality, thereby can be in under the horizontality to the fixed hydraulic cylinder of backup pad 2, thereby can ensure the quality of hydraulic cylinder fine grinding processing, thereby avoid because hydraulic cylinder is in the economic loss that the processing caused under the incline condition, thereby the practicality of the device has been improved, through magnetic chuck 5 and splint 22, magnetic chuck 5 can the magnetism inhale the surface of hydraulic cylinder bottom, and move to the direction that is close to each other in the synchronization of two splint 22, thereby can the centre gripping be fixed the surface of hydraulic cylinder both sides, thereby can fix the hydraulic cylinder fast, and possess certain firm effect, thereby the use convenience of the device has been improved.
Further, as shown in fig. 4, it is worth specifically explaining that the top surface of the supporting plate 2 is provided with a storage groove 28 at the position of the bottoms of the two clamping plates 22, an embedded rod 29 is fixed in the storage groove 28, the outer peripheral surface of the embedded rod 29 is slidably sleeved with a connecting sleeve 30 which is in an L shape, one side of the connecting sleeve 30 is fixed with the surface of the adjacent position fixing frame 20, and when the clamping plates 22 move in the direction approaching to each other, the connecting sleeve 30 is driven to slide along the position of the embedded rod 29 at the adjacent position in the storage groove 28, so that a further limiting effect is achieved on the movement track of the clamping plates 22, and the movement process is more stable.
To sum up: through bubble spirit level 3 and first movable rod 21, bubble spirit level 3 can be used for observing whether backup pad 2 is in under the incline condition, if bubble spirit level 3 is in under the incline condition make first movable rod 21 take place the angle variation until under adjusting backup pad 2 to the horizontality, thereby can be in under the horizontality to the fixed hydraulic cylinder of backup pad 2, thereby can ensure the quality of hydraulic cylinder fine grinding processing, thereby avoid because hydraulic cylinder is in the economic loss that the processing caused under the incline condition, thereby the practicality of the device has been improved, through magnetic chuck 5 and splint 22, magnetic chuck 5 can the magnetism inhale the surface of hydraulic cylinder bottom, and move to the direction that is close to each other in the synchronization of two splint 22, thereby can the centre gripping be fixed the surface of hydraulic cylinder both sides, thereby can fix the hydraulic cylinder fast, and possess certain firm effect, thereby the use convenience of the device has been improved.
The components adopted by the utility model are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present utility model still fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a hydraulic cylinder inner wall fine grinding auxiliary positioning strutting arrangement, includes mounting base (1), its characterized in that:
the surface of one side of the top of the mounting base (1) is rotationally connected with a supporting plate (2), and a bubble level (3) is fixed on the surface of one end of the supporting plate (2);
two symmetrically distributed rod grooves (6) are formed in the surface of the other side of the top of the mounting base (1);
a first threaded rod (7) is rotatably connected to the inside of one rod groove (6), and a first thread sleeve (11) is in threaded connection with the outer peripheral surface of the first threaded rod (7);
a limiting rod (12) is fixed in the other rod groove (6), and a limiting sleeve (13) is sleeved on the outer peripheral surface of the limiting rod (12) in a sliding manner;
a connecting plate (14) is fixed at the middle position of the first thread bush (11) and the limiting sleeve (13), and a first movable rod (21) is hinged to the tops of the first thread bush (11) and the limiting sleeve (13);
the top of first movable rod (21) is articulated with the surface of backup pad (2) bottom, one side of first threaded rod (7) is passed installation base (1) and is extended the outside of installation base (1), the fixed cover in outer peripheral face of the outside part of installation base (1) is extended to first threaded rod (7) is equipped with first gear (8), the surface rotation of installation base (1) one side is connected with dwang (9), the fixed cover in outer peripheral face of dwang (9) is equipped with second gear (10), be the meshing between second gear (10) and first gear (8) and be connected the setting.
2. The hydraulic cylinder inner wall fine grinding auxiliary positioning support device according to claim 1, wherein:
a plurality of reinforcing grooves (15) are uniformly formed in the middle of the two rod grooves (6) at the top of the mounting base (1);
two openings (16) which are symmetrically distributed are formed in the surfaces of two sides of the connecting plate (14) in a penetrating mode, sliding blocks (18) which are symmetrically distributed are inserted into the openings (16), and first bolts (17) which are symmetrically distributed are connected with the surfaces of two ends of the connecting plate (14) in a threaded mode.
3. The hydraulic cylinder inner wall fine grinding auxiliary positioning support device according to claim 2, wherein:
the surface that is close to one side each other of first bolt (17) extends to adjacent position opening (16) inside and is the rotation with the surface of adjacent position slider (18) and be connected the setting, the surface of slider (18) runs through threaded connection has second bolt (19), the bottom of second bolt (19) extends to adjacent position reinforcement groove (15) inside.
4. The hydraulic cylinder inner wall fine grinding auxiliary positioning support device according to claim 1, wherein:
a placement groove (4) is formed in the middle position of the top surface of the supporting plate (2);
a magnetic chuck (5) is fixed on the inner wall of the placement groove (4);
fixed frame bodies (20) which are symmetrically distributed are fixed at the two side positions of the top surface of the supporting plate (2);
the inner surface of the fixed frame body (20) is rotatably connected with a second threaded rod (24);
clamping plates (22) which are symmetrically distributed are arranged on one side, close to each other, of the fixed frame body (20), and two second thread sleeves (27) are connected to the outer peripheral surface of the second threaded rod (24) in a threaded manner;
one side of the second thread sleeve (27) is hinged with a second movable rod (23), and one side of the second movable rod (23) close to the adjacent position clamping plate (22) is hinged with the surface of the adjacent position clamping plate (22).
5. The hydraulic cylinder inner wall fine grinding auxiliary positioning support device according to claim 4, wherein:
one end of the second threaded rod (24) penetrates through the adjacent position fixing frame body (20) and extends out of the fixing frame body (20);
the second threaded rod (24) extends to the position adjacent to the outer part of the fixed frame body (20) and is fixedly sleeved with a belt pulley (25);
a connecting belt (26) is arranged at the middle position of the two pulleys (25).
6. The hydraulic cylinder inner wall fine grinding auxiliary positioning support device according to claim 4, wherein:
the top surface of the supporting plate (2) is provided with a storage groove (28) at the bottom of the two clamping plates (22);
an embedded rod (29) is fixed in the storage groove (28);
the outer peripheral surface of the embedded rod (29) is slidably sleeved with an L-shaped connecting sleeve (30), and one side of the connecting sleeve (30) is fixed with the surface of the adjacent position fixing frame body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074652.0U CN219684820U (en) | 2023-05-08 | 2023-05-08 | Auxiliary positioning and supporting device for accurate grinding of inner wall of hydraulic cylinder barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074652.0U CN219684820U (en) | 2023-05-08 | 2023-05-08 | Auxiliary positioning and supporting device for accurate grinding of inner wall of hydraulic cylinder barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684820U true CN219684820U (en) | 2023-09-15 |
Family
ID=87970499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074652.0U Active CN219684820U (en) | 2023-05-08 | 2023-05-08 | Auxiliary positioning and supporting device for accurate grinding of inner wall of hydraulic cylinder barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684820U (en) |
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2023
- 2023-05-08 CN CN202321074652.0U patent/CN219684820U/en active Active
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