CN220869913U - Auxiliary installation tool for cylindrical roller bearing - Google Patents
Auxiliary installation tool for cylindrical roller bearing Download PDFInfo
- Publication number
- CN220869913U CN220869913U CN202322799271.5U CN202322799271U CN220869913U CN 220869913 U CN220869913 U CN 220869913U CN 202322799271 U CN202322799271 U CN 202322799271U CN 220869913 U CN220869913 U CN 220869913U
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- bearing
- inner ring
- bearing inner
- sleeve
- cylindrical roller
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- 238000009434 installation Methods 0.000 title claims abstract description 48
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides an auxiliary installation tool for a cylindrical roller bearing, which is provided with a rotating shaft, wherein a bearing is fixedly arranged on the outer circumferential surface of the rotating shaft, a bearing outer ring and a bearing inner ring are arranged on the bearing, a cylindrical roller assembly is fixedly arranged between the bearing outer ring and the bearing inner ring, one side of the bearing inner ring is provided with an auxiliary bearing installation sleeve, the auxiliary bearing installation sleeve is provided with an auxiliary bearing installation surface, the end surface of the auxiliary bearing installation surface, which is positioned at the outermost side, is provided with an auxiliary bearing installation sleeve outer guide chamfer, and the outer diameter of the auxiliary bearing installation surface is smaller than the outer diameter of a supporting surface of the bearing inner ring and is not smaller than the minimum outer diameter of a transition inclined plane of the bearing inner ring. The problem that when a cylindrical roller assembly is installed, the roller on the cylindrical roller assembly is easy to collide with the surface of the side wall of the bearing inner ring, so that the roller or the surface of the bearing inner ring is damaged is solved. The utility model can be widely applied to the installation work of the cylindrical roller bearing.
Description
Technical Field
The utility model relates to a bearing installation tool, in particular to an auxiliary installation tool for a cylindrical roller bearing.
Background
The cylindrical roller bearing has the characteristics of high load, low noise and high rotating speed, and the inner ring, the outer ring and the roller components of the cylindrical roller bearing are of a separable structure, so that great convenience is brought to installation and repair work, and the cylindrical roller bearing is widely applied to industries such as fans, railways, wind power generation, automobiles and the like.
When the cylindrical roller bearing is installed, firstly, the bearing inner ring is fixedly installed on the rotating shaft, then the roller component is installed on the outer circumferential surface of the bearing inner ring, but when the roller component is installed, the roller on the roller component is easy to collide with the side wall surface of the bearing inner ring, so that the surface of the roller or the bearing inner ring is damaged, the maintenance or replacement cost is increased, unnecessary part loss is caused, the whole assembly progress of equipment is delayed, the working efficiency is reduced, and particularly when a large-sized bearing is installed on a shaft system with a large diameter, the problem that parts are damaged frequently occurs, so that an auxiliary installation tool for the cylindrical roller bearing is needed to solve the technical problem.
Disclosure of utility model
The utility model aims at the technical problems and provides an auxiliary installation tool for a cylindrical roller bearing, which can avoid the problem that when a roller assembly is installed, a roller on the roller assembly collides with the surface of the side wall of the bearing inner ring, so that the surface of the roller or the bearing inner ring is damaged, avoid unnecessary loss of equipment parts, ensure the overall assembly progress of the equipment and improve the working efficiency.
Therefore, the technical scheme of the utility model is that the auxiliary installation tool for the cylindrical roller bearing is provided with a rotating shaft, a first shaft shoulder of the rotating shaft and a second shaft shoulder of the rotating shaft are arranged on the rotating shaft, a bearing inner ring fixing surface is arranged between the first shaft shoulder of the rotating shaft and the second shaft shoulder of the rotating shaft, a bearing is fixedly arranged on the bearing inner ring fixing surface, a bearing outer ring and a bearing inner ring are arranged on the bearing, and a cylindrical roller assembly is fixedly arranged between the bearing outer ring and the bearing inner ring;
a shaft sleeve is arranged on the bearing inner ring fixing surface between the bearing inner ring and the rotating shaft second shaft shoulder, one side of the shaft sleeve is fixedly connected with the side surface of the bearing inner ring, the other side of the shaft sleeve is fixedly connected with the rotating shaft second shaft shoulder, the outer circumferential surface of the bearing inner ring is provided with a bearing inner ring supporting surface, and two ends of the bearing inner ring supporting surface are respectively provided with a bearing inner ring transition inclined surface;
The outer circumferential surface of the bearing outer ring is provided with a bearing fixing seat, one side of the bearing fixing seat is fixedly connected with the outer circumferential surface of the bearing outer ring, and the other side of the bearing fixing seat is fixedly connected with the wall body;
The bearing inner ring is located the bearing inner ring supporting surface on one side of keeping away from the axle sleeve and fixedly is equipped with bearing auxiliary installation cover, is equipped with bearing auxiliary installation face on the bearing auxiliary installation cover, is equipped with bearing auxiliary installation cover outside direction chamfer on the terminal surface that bearing auxiliary installation face is located the outside, and bearing auxiliary installation face's external diameter size is less than bearing inner ring supporting surface's external diameter size and is not less than bearing inner ring transition inclined plane's minimum external diameter size.
Preferably, the inner circumferential surface of the bearing auxiliary installation sleeve is provided with an inner guide chamfer of the bearing auxiliary installation sleeve on the innermost end surface.
Preferably, the inner circumferential surface of the bearing auxiliary mounting sleeve is provided with an internal thread, and the fixing surface of the bearing inner ring is provided with an external thread which is meshed and connected with the internal thread.
Preferably, after the bearing auxiliary installation sleeve, the bearing inner ring, the shaft sleeve and the second shaft shoulder of the rotating shaft are fixedly connected, the outermost end surface of the bearing auxiliary installation sleeve is positioned at the outer side of the first shaft shoulder of the rotating shaft.
The bearing auxiliary mounting sleeve has the beneficial effects that after the bearing inner ring is mounted, the bearing auxiliary mounting sleeve is fixed to the side surface of the bearing inner ring, and as the outer diameter of the bearing auxiliary mounting surface is smaller than the outer diameter of the bearing inner ring supporting surface and is not smaller than the minimum outer diameter of the transition inclined surface of the bearing inner ring, the outer diameter of the bearing auxiliary mounting surface is smaller than the inner diameter of the cylindrical roller assembly, and when the bearing inner ring is mounted, the inner ring of the cylindrical roller assembly can smoothly pass through the bearing auxiliary mounting surface and is mounted on the bearing inner ring supporting surface, so that the roller on the cylindrical roller assembly is prevented from knocking against the side wall of the bearing inner ring.
And because the outer guide chamfer of the bearing auxiliary installation sleeve is arranged on the end face of the outermost side of the bearing auxiliary installation surface, the inner ring of the cylindrical roller assembly penetrates through the bearing auxiliary installation surface to play a good guide role, meanwhile, the roller on the cylindrical roller assembly is prevented from knocking against the side wall of the bearing auxiliary installation sleeve, unnecessary loss of equipment parts is further avoided, the whole assembly progress of the equipment is ensured, and the working efficiency is improved.
Drawings
FIG. 1 is a diagram of the installation effect of the present utility model;
FIG. 2 is a diagram of the structure of the rotating shaft of the present utility model;
FIG. 3 is a perspective view of the bearing auxiliary installation sleeve structure of the utility model;
FIG. 4 is a right side view of the bearing auxiliary installation sleeve of the present utility model;
fig. 5 is an enlarged view of fig. 1 at a in accordance with the present utility model.
The symbols in the drawings illustrate:
1. A rotation shaft; 101. a first shaft shoulder of the rotating shaft; 102. a second shoulder of the rotating shaft; 103. a bearing inner ring fixing surface; 104. an external thread; 2. a bearing; 201. a bearing outer ring; 202. a bearing inner ring; 20201. a bearing inner ring transition inclined plane; 20202. a bearing inner ring supporting surface; 203. a cylindrical roller assembly; 3. a wall body; 4. a bearing fixing seat; 5. a shaft sleeve; 6. bearing auxiliary installation sleeve; 601. bearing auxiliary installation sleeve outer guide chamfer; 602. a bearing auxiliary mounting surface; 603. guide chamfering in the bearing auxiliary mounting sleeve; 604. and (5) an internal thread.
Detailed Description
The utility model is further described below with reference to examples.
As can be seen from fig. 1 to fig. 5, the auxiliary installation tool for the cylindrical roller bearing is provided with a rotating shaft 1, a first shaft shoulder 101 and a second shaft shoulder 102 of the rotating shaft are arranged on the rotating shaft 1, a bearing inner ring fixing surface 103 is arranged between the first shaft shoulder 101 and the second shaft shoulder 102 of the rotating shaft, a bearing 2 is fixedly arranged on the bearing inner ring fixing surface 103, a bearing outer ring 201 and a bearing inner ring 202 are arranged on the bearing 2, and a cylindrical roller assembly 203 is fixedly arranged between the bearing outer ring 201 and the bearing inner ring 202.
A shaft sleeve 5 is arranged on the bearing inner ring fixing surface 103 between the bearing inner ring 202 and the rotating shaft second shaft shoulder 102, one side of the shaft sleeve 5 is fixedly connected with the side surface of the bearing inner ring 202, the other side of the shaft sleeve 5 is fixedly connected with the rotating shaft second shaft shoulder 102, the outer circumferential surface of the bearing inner ring 202 is provided with a bearing inner ring supporting surface 20202, and two ends of the bearing inner ring supporting surface 20202 are respectively provided with a bearing inner ring transition inclined surface 20201.
The outer circumferential surface of the bearing outer ring 201 is provided with a bearing fixing seat 4, one side of the bearing fixing seat 4 is fixedly connected with the outer circumferential surface of the bearing outer ring 201, the other side of the bearing fixing seat 4 is fixedly connected with the wall body 3, and the bearing fixing seat 4 plays a role in radially supporting the bearing outer ring 201.
The side, far away from the shaft sleeve 5, of the bearing inner ring 202 is fixedly provided with a bearing auxiliary mounting sleeve 6 on a bearing inner ring supporting surface 20202, the bearing auxiliary mounting sleeve 6 is provided with a bearing auxiliary mounting surface 602, the end surface, which is positioned at the outermost side, of the bearing auxiliary mounting surface 602 is provided with a bearing auxiliary mounting sleeve outer guide chamfer 601, the bearing auxiliary mounting sleeve 6 is inserted into the inner ring of the cylindrical roller assembly 203 to play a guiding role, meanwhile, the roller on the cylindrical roller assembly 203 can be prevented from knocking against the side wall of the bearing auxiliary mounting sleeve 6, the outer diameter of the bearing auxiliary mounting surface 602 is smaller than the outer diameter of the bearing inner ring supporting surface 20202 and is not smaller than the minimum outer diameter of a bearing inner ring transition inclined surface 20201, the outer diameter of the bearing auxiliary mounting surface 602 is smaller than the inner diameter of the cylindrical roller assembly 203, the inner ring of the cylindrical roller assembly 203 can be ensured to pass through the bearing auxiliary mounting surface 602 smoothly, and the side wall of the bearing inner ring 202 can be prevented from being directly mounted on the bearing inner ring supporting surface 20202, and the roller on the cylindrical roller assembly 203 is prevented from knocking against the side wall of the bearing inner ring 202.
The inner circumferential surface of the bearing auxiliary installation sleeve 6 is provided with the inner guide chamfer 603 of the bearing auxiliary installation sleeve on the innermost end surface, so that the bearing auxiliary installation sleeve 6 plays a guiding role when being inserted into the bearing inner ring fixing surface 103, the bearing auxiliary installation sleeve 6 can be fast and accurately fixed to the side surface of the bearing inner ring 202, and the working efficiency is improved.
The internal circumference of the auxiliary bearing mounting sleeve 6 is provided with an internal thread 604, the bearing inner ring fixing surface 103 is provided with an external thread 104 meshed with the internal thread 604, and when the auxiliary bearing mounting sleeve is used, the auxiliary bearing mounting sleeve 6 and the bearing inner ring fixing surface 103 are fixedly connected through threads, so that the stability of the process of mounting the cylindrical roller assembly 203 can be ensured, and the hidden danger of collision of the roller on the cylindrical roller assembly 203 caused by shaking of the auxiliary bearing mounting sleeve 6 in the mounting process is avoided.
After the bearing auxiliary installation sleeve 6, the bearing inner ring 202, the shaft sleeve 5 and the rotating shaft second shaft shoulder 102 are fixedly connected, the outermost end face of the bearing auxiliary installation sleeve 6 is positioned on the outer side of the rotating shaft first shaft shoulder 101, and the problem that the rotating shaft first shaft shoulder 101 is damaged due to collision of rollers on the cylindrical roller assembly 203 with the rotating shaft first shaft shoulder 101 when the cylindrical roller assembly 203 is installed can be avoided.
However, the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the utility model are intended to fall within the scope of the claims.
Claims (4)
1. The utility model provides a cylindrical roller bearing auxiliary installation frock is equipped with the rotation axis, characterized by: the rotary shaft is provided with a first shaft shoulder and a second shaft shoulder, a bearing inner ring fixing surface is arranged between the first shaft shoulder and the second shaft shoulder, a bearing is fixedly arranged on the bearing inner ring fixing surface, a bearing outer ring and a bearing inner ring are arranged on the bearing, and a cylindrical roller assembly is fixedly arranged between the bearing outer ring and the bearing inner ring;
A shaft sleeve is arranged on the bearing inner ring fixing surface between the bearing inner ring and the second shaft shoulder of the rotating shaft, one side of the shaft sleeve is fixedly connected with the side surface of the bearing inner ring, the other side of the shaft sleeve is fixedly connected with the second shaft shoulder of the rotating shaft, the outer circumferential surface of the bearing inner ring is provided with a bearing inner ring supporting surface, and two ends of the bearing inner ring supporting surface are respectively provided with a bearing inner ring transition inclined surface;
the outer circumferential surface of the bearing outer ring is provided with a bearing fixing seat, one side of the bearing fixing seat is fixedly connected with the outer circumferential surface of the bearing outer ring, and the other side of the bearing fixing seat is fixedly connected with a wall body;
A bearing auxiliary mounting sleeve is fixedly arranged on the bearing inner ring supporting surface at one side of the bearing inner ring far away from the shaft sleeve, a bearing auxiliary mounting surface is arranged on the bearing auxiliary mounting sleeve, the outer guide chamfer of the bearing auxiliary mounting sleeve is arranged on the end face of the bearing auxiliary mounting surface, which is positioned at the outermost side, and the outer diameter of the bearing auxiliary mounting surface is smaller than the outer diameter of the bearing inner ring supporting surface and is not smaller than the minimum outer diameter of the bearing inner ring transition inclined surface.
2. The cylindrical roller bearing auxiliary installation tool according to claim 1, wherein: the inner circumferential surface of the bearing auxiliary installation sleeve is provided with an inner guide chamfer of the bearing auxiliary installation sleeve on the end surface of the innermost side.
3. The cylindrical roller bearing auxiliary installation tool according to claim 1, wherein: the inner circumferential surface of the bearing auxiliary mounting sleeve is provided with an internal thread, and the fixing surface of the bearing inner ring is provided with an external thread which is meshed and connected with the internal thread.
4. The cylindrical roller bearing auxiliary installation tool according to claim 1, wherein: after the bearing auxiliary mounting sleeve, the bearing inner ring, the shaft sleeve and the rotating shaft second shaft shoulder are fixedly connected, the outermost end face of the bearing auxiliary mounting sleeve is positioned on the outer side of the rotating shaft first shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322799271.5U CN220869913U (en) | 2023-10-18 | 2023-10-18 | Auxiliary installation tool for cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322799271.5U CN220869913U (en) | 2023-10-18 | 2023-10-18 | Auxiliary installation tool for cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869913U true CN220869913U (en) | 2024-04-30 |
Family
ID=90815680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322799271.5U Active CN220869913U (en) | 2023-10-18 | 2023-10-18 | Auxiliary installation tool for cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869913U (en) |
-
2023
- 2023-10-18 CN CN202322799271.5U patent/CN220869913U/en active Active
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