CN220058160U - Axle bed subassembly of taut axle - Google Patents
Axle bed subassembly of taut axle Download PDFInfo
- Publication number
- CN220058160U CN220058160U CN202321478630.0U CN202321478630U CN220058160U CN 220058160 U CN220058160 U CN 220058160U CN 202321478630 U CN202321478630 U CN 202321478630U CN 220058160 U CN220058160 U CN 220058160U
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- Prior art keywords
- shaft
- axle
- tensioning
- shaft seat
- seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 238000005299 abrasion Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a shaft seat assembly of a tensioning shaft, which relates to the technical field of shaft seat assemblies and comprises a fixing mechanism, wherein the interior of the fixing mechanism is fixedly connected with a shaft seat mechanism, and the interior of the shaft seat mechanism is lapped with the tensioning shaft mechanism. According to the utility model, the shaft sleeve is driven to rotate by the tensioning shaft, so that the shaft sleeve drives the rolling wheel to roll along the inner wall of the rolling groove II, meanwhile, the balls roll along the sliding groove to limit the rotating shaft, so that the rotating shaft is more stable in the rotating process, the contact area between the shaft sleeve and the rotating ring is smaller due to the arrangement of the rolling wheel, the friction force is smaller during rotation, the transmission effect is better, the abrasion is slower, the service life of the shaft sleeve is longer, and the problems that most of the tensioning shaft is directly contacted with the shaft seat in the use process of the shaft seat assembly of the tensioning shaft, the contact area of the tensioning shaft and the shaft seat is large, the friction force between the tensioning shaft and the shaft seat is larger, the abrasion to the shaft seat is quicker while the transmission effect is poor, and the use is inconvenient are solved.
Description
Technical Field
The utility model relates to the technical field of shaft seat assemblies, in particular to a shaft seat assembly of a tensioning shaft.
Background
The excavator travelling mechanism mainly completes the actions of advancing, retreating, steering and the like of the excavator. Particularly, in large-sized excavators such as coal excavators, for example, various types of excavators such as WK-55, WK-35, WK-20, PH2800XP, and the like, a tension wheel device is an indispensable part of an excavator traveling mechanism. The tensioner device acts as one of the tensioner (or tensioner, guide) devices in a "four wheel-on-one" device for tensioning the track chain, guiding the track chain in its rotation, and simultaneously receiving the forces exerted by the track on it. Structurally, the tightening wheel device adopts a mandrel transmission mode, namely, the tightening wheel rotates while the shaft does not rotate, and the tightening shaft is arranged in shaft holes of shaft seats at two sides. The tensioning shaft seat is arranged on the slide ways at two sides of the crawler frame of the excavator.
For example, chinese patent publication No. CN215166007U discloses a shaft seat and a tightening shaft assembly for a tightening shaft, the shaft seat for a tightening shaft includes a plurality of shaft seat split bodies, each shaft seat split body is provided with an axially extending groove, a connecting surface is formed on the outer side of the groove, the shaft seat split bodies are used for being connected in turn in the circumferential direction to form the shaft seat, and the adjacent connecting surfaces are abutted to each other to enable the groove to form a through hole for the tightening shaft to pass through, and the shaft seat for the tightening shaft adopts a split structure, thereby facilitating installation and disassembly and facilitating replacement and maintenance operation.
The following problems exist in the prior art:
in the prior art, in the use process of the shaft seat assembly of the tensioning shaft, most of the tensioning shaft is directly contacted with the shaft seat, when the pulling-in shaft rotates, the contact area of the tensioning shaft and the shaft seat is large, so that the friction force between the tensioning shaft and the shaft seat is large, the transmission effect is poor, the abrasion to the shaft seat is rapid, and the use is inconvenient; in the prior art, in the using process of the shaft seat, lubricating oil is not convenient to add into the shaft seat, so that the interior of the shaft seat is rusted to influence the transmission effect, and the use is inconvenient.
Disclosure of Invention
The present utility model provides a shaft seat assembly for a tightening shaft, so as to solve the problems set forth in the above-mentioned background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the axle seat assembly of the tensioning axle comprises a fixing mechanism, wherein an axle seat mechanism is fixedly connected to the inside of the fixing mechanism, and the tensioning axle mechanism is lapped inside the axle seat mechanism; the fixing mechanism comprises a fixing block and a fixing screw, and the inside of the fixing block is in threaded connection with the surface of the fixing screw; the axle seat mechanism comprises a supporting ring and a rotating ring, wherein the inner wall of the supporting ring is fixedly connected with the surface of the rotating ring, and a groove is formed in the rotating ring.
The technical scheme of the utility model is further improved as follows: the inside of recess is provided with the wheel that rolls, the inside fixedly connected with axis of rotation of wheel that rolls.
The technical scheme of the utility model is further improved as follows: the inside overlap joint of axis of rotation one end has the ball, the sliding tray has been seted up to the both sides of recess inner chamber.
The technical scheme of the utility model is further improved as follows: the inner wall of the sliding groove is overlapped with the surface of the ball, a rolling groove I is formed in the top of the inner cavity of the groove, and the inner wall of the rolling groove I is overlapped with the surface of the rolling wheel.
The technical scheme of the utility model is further improved as follows: the tensioning shaft mechanism comprises a tensioning shaft and a shaft sleeve, the surface of the tensioning shaft is fixedly connected with the inner wall of the shaft sleeve, and a rolling groove II is formed in the surface of the shaft sleeve.
The technical scheme of the utility model is further improved as follows: the inner wall of the rolling groove II is overlapped with the surface of the rolling wheel, and an oil filling hole is formed in the fixing block.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a shaft seat assembly of a tensioning shaft, which adopts the mutual matching of a supporting ring, a rotating ring, a groove, a rolling wheel, a rotating shaft, balls, a sliding groove and a rolling groove I, and drives a shaft sleeve to rotate through the tensioning shaft, so that the shaft sleeve drives the rolling wheel to roll along the inner wall of the rolling groove II, and meanwhile, the balls roll along the sliding groove to limit the rotating shaft, so that the rotating shaft is more stable in the rotating process, the rolling wheel is arranged to enable the contact area between the shaft sleeve and the rotating ring to be smaller, the friction force is smaller in the rotating process, the transmission effect is better, the abrasion is slower, the service life of the shaft sleeve is longer, the problems that most of the shaft sleeve assembly of the tensioning shaft is in direct contact with the shaft seat in the use process, the contact area between the tensioning shaft and the shaft seat is large, the friction force between the tensioning shaft and the shaft seat is poor, the abrasion to the shaft seat is faster, and the use is inconvenient are solved.
2. The utility model provides a shaft seat assembly of a tensioning shaft, which adopts the mutual matching among the tensioning shaft, a shaft sleeve, a rolling groove II and oil injection holes, and ensures that the tensioning shaft is not in direct contact with a rotating ring through the arrangement of the shaft sleeve, so that the bearing force of the tensioning shaft is prevented from being influenced by abrasion caused by the tensioning shaft directly, and the lubricating oil can be injected into a shaft seat mechanism through the oil injection holes through the arrangement of the oil injection holes, so that the friction force is further reduced while the rust inside the shaft seat is effectively prevented, the shaft seat is more convenient to use, and the problems that the transmission effect is influenced by the rust inside the shaft seat and the use is inconvenient due to the inconvenience of adding the lubricating oil into the shaft seat in the use process of the shaft seat are solved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic longitudinal sectional view of the present utility model;
fig. 4 is an enlarged schematic view of fig. 2A according to the present utility model.
In the figure: 1. a fixing mechanism; 11. a fixed block; 12. a set screw; 2. a shaft seat mechanism; 21. a support ring; 22. a rotating ring; 23. a groove; 24. a rolling wheel; 25. a rotating shaft; 26. a ball; 27. a sliding groove; 28. a rolling groove I; 3. a tensioning shaft mechanism; 31. a tightening shaft; 32. a shaft sleeve; 33. a rolling groove II; 34. and an oil filling hole.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a shaft seat assembly of a tensioning shaft, which comprises a fixing mechanism 1, wherein the interior of the fixing mechanism 1 is fixedly connected with a shaft seat mechanism 2, and the interior of the shaft seat mechanism 2 is lapped with a tensioning shaft mechanism 3; the fixing mechanism 1 comprises a fixing block 11 and a fixing screw 12, wherein the inside of the fixing block 11 is in threaded connection with the surface of the fixing screw 12; the axle seat mechanism 2 comprises a supporting ring 21 and a rotating ring 22, wherein the inner wall of the supporting ring 21 is fixedly connected with the surface of the rotating ring 22, and a groove 23 is formed in the rotating ring 22.
In the present embodiment, the fixing block 11 is fixed at a predetermined position by the fixing screws 12, and the plurality of fixing screws 12 are provided to make the process of use thereof more stable.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inside of recess 23 is provided with the roll wheel 24, and the inside fixedly connected with axis of rotation 25 of roll wheel 24, and the inside overlap joint of axis of rotation 25 one end has ball 26, and slide groove 27 has been seted up to the both sides of recess 23 inner chamber, and slide groove 27's inner wall and ball 26's surface overlap joint, and roll groove one 28 has been seted up at the top of recess 23 inner chamber, and roll groove one 28's inner wall and roll wheel 24's surface overlap joint.
In this embodiment, when the tightening shaft 31 rotates, the tightening shaft 31 drives the shaft sleeve 32 to rotate, so that the shaft sleeve 32 drives the rolling wheel 24 to roll along the inner wall of the rolling groove two 33, meanwhile, in the rotating process, the balls 26 roll along the sliding groove 27 to limit the rotating shaft 25, so that the rotating shaft 25 is more stable in the rotating process, the rolling wheel 24 is arranged to enable the contact area between the shaft sleeve 32 and the rotating ring 22 to be smaller, the friction force is smaller during rotation, the transmission effect is better, the abrasion is slower, the service life of the shaft sleeve is longer, the problem that in the use process of the shaft seat assembly of the tightening shaft, most of the tightening shaft is directly contacted with the shaft seat, when the tightening shaft rotates, the contact area of the tightening shaft and the shaft seat is large, the friction force between the tightening shaft and the shaft seat is poor, the abrasion to the shaft seat is faster, and the use is inconvenient is solved.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the tensioning shaft mechanism 3 comprises a tensioning shaft 31 and a shaft sleeve 32, the surface of the tensioning shaft 31 is fixedly connected with the inner wall of the shaft sleeve 32, a rolling groove II 33 is formed in the surface of the shaft sleeve 32, the inner wall of the rolling groove II 33 is in lap joint with the surface of the rolling wheel 24, and an oil injection hole 34 is formed in the fixing block 11.
In this embodiment, make the tight axle 31 of pulling up and rotate the ring 22 direct contact not through the setting of axle sleeve 32, avoid directly causing wearing and tearing to the tight axle 31 and influence the tolerance of tight axle 31, through the setting of oil filler point 34, make lubricating oil can directly pour into inside the axle bed mechanism 2 through oil filler point 34, make frictional force further reduce when can effectively avoiding the inside rustiness of axle bed, make the axle bed more convenient to use, the in-process that has solved at the axle bed to use, be inconvenient for adding lubricating oil to the axle bed inside, lead to the inside rustiness of axle bed and influence the transmission effect, inconvenient use's problem.
The working principle of the shaft seat assembly of the tightening shaft is specifically described below.
As shown in fig. 1-4, when the axle seat assembly of the tensioning axle is used, firstly, the fixing block 11 is fixed at a preset position through the fixing screws 12, meanwhile, the use process of the fixing screws 12 is more stable, when the tensioning axle 31 rotates, the tensioning axle 31 drives the axle sleeve 32 to rotate, the axle sleeve 32 drives the rolling wheel 24 to roll along the inner wall of the rolling groove two 33, meanwhile, in the rotating process, the ball 26 rolls along the sliding groove 27 to limit the rotating axle 25, so that the rotating axle seat assembly is more stable in the rotating process, the contact area between the axle sleeve 32 and the rotating ring 22 is smaller due to the arrangement of the rolling wheel 24, the friction force is smaller during rotation, the transmission effect is better, the abrasion is slower, the service life of the axle sleeve is longer, meanwhile, the tensioning axle 31 is not in direct contact with the rotating ring 22 due to the arrangement of the axle sleeve 32, the abrasion is avoided to directly influence on the bearing force of the tensioning axle 31, and the lubricating oil can be directly injected into the axle seat mechanism 2 through the arrangement of the oil injection hole 34, the friction force is further reduced while the rust inside the axle seat is effectively avoided, and the axle seat assembly is more convenient to use.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a take-up shaft's axle bed subassembly, includes fixed establishment (1), its characterized in that: the inside of the fixing mechanism (1) is fixedly connected with a shaft seat mechanism (2), and the inside of the shaft seat mechanism (2) is lapped with a tensioning shaft mechanism (3);
the fixing mechanism (1) comprises a fixing block (11) and a fixing screw (12), wherein the inside of the fixing block (11) is in threaded connection with the surface of the fixing screw (12);
the shaft seat mechanism (2) comprises a supporting ring (21) and a rotating ring (22), wherein the inner wall of the supporting ring (21) is fixedly connected with the surface of the rotating ring (22), and a groove (23) is formed in the rotating ring (22).
2. The axle seat assembly of a take-up axle of claim 1, wherein: the inside of recess (23) is provided with rolling wheel (24), the inside fixedly connected with axis of rotation (25) of rolling wheel (24).
3. The axle seat assembly of a take-up axle of claim 2, wherein: the inside overlap joint of axis of rotation (25) one end has ball (26), sliding groove (27) have been seted up to both sides of recess (23) inner chamber.
4. A tensioning shaft axle seat assembly as defined in claim 3, wherein: the inner wall of the sliding groove (27) is in lap joint with the surface of the ball (26), a rolling groove I (28) is formed in the top of the inner cavity of the groove (23), and the inner wall of the rolling groove I (28) is in lap joint with the surface of the rolling wheel (24).
5. The axle seat assembly of a take-up axle of claim 1, wherein: the tensioning shaft mechanism (3) comprises a tensioning shaft (31) and a shaft sleeve (32), the surface of the tensioning shaft (31) is fixedly connected with the inner wall of the shaft sleeve (32), and a rolling groove II (33) is formed in the surface of the shaft sleeve (32).
6. The axle seat assembly of a take-up axle of claim 5, wherein: the inner wall of the rolling groove II (33) is overlapped with the surface of the rolling wheel (24), and an oil filling hole (34) is formed in the fixed block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478630.0U CN220058160U (en) | 2023-06-09 | 2023-06-09 | Axle bed subassembly of taut axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478630.0U CN220058160U (en) | 2023-06-09 | 2023-06-09 | Axle bed subassembly of taut axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058160U true CN220058160U (en) | 2023-11-21 |
Family
ID=88754510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321478630.0U Active CN220058160U (en) | 2023-06-09 | 2023-06-09 | Axle bed subassembly of taut axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058160U (en) |
-
2023
- 2023-06-09 CN CN202321478630.0U patent/CN220058160U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |