CN219337561U - Fixing tool for mounting anti-falling bearing inside raceway planet wheel - Google Patents
Fixing tool for mounting anti-falling bearing inside raceway planet wheel Download PDFInfo
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- CN219337561U CN219337561U CN202320082628.5U CN202320082628U CN219337561U CN 219337561 U CN219337561 U CN 219337561U CN 202320082628 U CN202320082628 U CN 202320082628U CN 219337561 U CN219337561 U CN 219337561U
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- bearing
- tapered roller
- raceway
- roller bearing
- planet wheel
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a fixing tool for installing an inner bearing of a raceway planet wheel, which comprises the following components: the tensioning mechanism comprises a bearing fixing end cover, a bearing fixing spacer bush, a bearing fixing shaft sleeve, a lower tapered roller bearing, an upper tapered roller bearing, a hexagonal head bolt and a flat washer, wherein the bearing fixing end cover is used for compressing the upper tapered roller bearing and the lower tapered roller bearing, and the bearing fixing spacer bush is used for limiting and positioning the upper tapered roller bearing and the lower tapered roller bearing. The utility model can solve the problem that the lower end bearing is prevented from falling after the inner bearing is arranged when the structure design of the retainer ring-free ring in the raceway planet wheel is designed, reduces the working strength of operators, improves the assembly efficiency, has simple structure principle, is convenient for workers to install, operate and maintain, and can realize convenient disassembly under the condition of limited space installation positions.
Description
Technical Field
The utility model relates to the technical field of mechanical assembly, in particular to a fixing tool for preventing a bearing in a raceway planet gear from falling.
Background
Planetary gears refer to a system of gears that, in addition to being able to rotate about their own axis of rotation as do fixed-axis gears, also rotate with the planet carrier about the axis of the other gears. Rotation about its own axis is called "rotation", rotation about other gear axes is called "revolution", just like a planet in the solar system, and is thus named; when the bearing is arranged in the raceway planet wheel, the bearing is fixed through the bearing fixing tool, the end face of the raceway is free of a retainer ring structure after the bearing is arranged at the inner raceway position, and the bearing of the raceway below can fall off.
Disclosure of Invention
The utility model aims to provide a fixing tool for installing an inner bearing of a raceway planet wheel, which can solve the problem that a lower end bearing is prevented from falling after an inner bearing is installed when the inner retainer ring-free structure of the raceway planet wheel is designed, reduce the working strength of operators, improve the assembly efficiency, has a simple structure principle, is convenient for workers to install, operate and maintain, and can be conveniently dismantled under the condition of limited space installation positions.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a fixed frock for installing inside bearing anti drop of raceway planet wheel includes:
the tensioning mechanism comprises a bearing fixing end cover, a bearing fixing spacer bush, a bearing fixing shaft sleeve, a lower tapered roller bearing, an upper tapered roller bearing, a hexagon head bolt and a flat gasket;
the tensioning mechanism is matched with the raceway planet wheel for use as shown in fig. 1, the bearing fixing end cover structure is shown in fig. 2, and the bearing fixing end cover is used for pressing an upper tapered roller bearing and a lower tapered roller bearing;
the bearing fixing spacer is shown in fig. 3 and is used for limiting and positioning the upper tapered roller bearing and the lower tapered roller bearing;
the bearing fixing shaft sleeve is shown in fig. 4, and is used for connecting an upper tapered roller bearing and a lower tapered roller bearing in series;
the machining of the upper tapered roller bearing and the lower tapered roller bearing after combination is shown in fig. 5.
Preferably, the bearing fixing end cover is fixedly connected with the bearing fixing shaft sleeve through the hexagon head bolt.
Preferably, the hexagonal head bolt is also provided with a flat washer, and the hexagonal head bolt and the flat washer are used for realizing the connection with the bearing fixing shaft sleeve.
Preferably, the inner parts of the tensioning mechanism and the raceway planet gears are sequentially provided with a first raceway planet gear inner bearing and a second raceway planet gear inner bearing.
Preferably, the bearing fixing shaft sleeve is used for installing an upper tapered roller bearing and a lower tapered roller bearing in series, and the positions of the upper tapered roller bearing and the lower tapered roller bearing correspond to the positions of the inner bearings of the raceway planet gears through the bearing fixing spacer.
The utility model has at least the following beneficial effects:
according to the utility model, the problem that the lower end bearing falls off after the inner bearing is installed when the structure design of the retainer ring-free ring in the raceway planet wheel is solved, the working strength of operators is reduced, the assembly efficiency is improved, the structure principle is simple, the installation operation and maintenance of workers are convenient, and the convenient dismantling can be realized under the condition that the space installation position is limited.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of an installation structure of a fixing tool for installing an inner bearing of a raceway planet wheel to prevent falling;
fig. 2 is a schematic structural view of a bearing fixing end cover in a fixing tool for installing an inner bearing of a raceway planetary gear in the utility model;
FIG. 3 is a schematic structural view of a bearing fixing spacer in the fixing tool for installing the anti-drop bearing in the raceway planet wheel;
fig. 4 is a schematic structural view of a bearing fixing sleeve in the fixing tool for installing the anti-drop bearing in the raceway planetary gear of the utility model;
fig. 5 is a schematic structural view of upper and lower tapered roller bearings in the fixing tool for preventing the inner bearing of the raceway planetary gear from falling.
Reference numerals illustrate:
1. a bearing fixing end cover; 2. a flat gasket; 3. a hex head bolt; 4. a bearing fixing spacer bush; 5. a bearing fixing shaft sleeve; 6. a lower tapered roller bearing; 7. an upper tapered roller bearing; 8. the first raceway planet wheel inner bearing; 9. the inner bearing of the second raceway planet wheel; 10. and (3) a raceway planet wheel.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Referring to fig. 1 to 5, in the embodiment of the present utility model,
the utility model provides a fixed frock that is used for installing raceway planet wheel inside bearing anti drop, this fixed frock includes the tight mechanism that rises, and the tight mechanism that rises includes bearing fixed end cover 1, bearing fixed spacer 4, bearing fixed axle sleeve 5, lower tapered roller bearing 6, upper tapered roller bearing 7, hexagon head bolt 3 and plain washer 2;
the tensioning mechanism is matched with the raceway planet wheel 10 for use as shown in fig. 1, the structure of the bearing fixing end cover 1 is shown in fig. 2, and the bearing fixing end cover 1 is used for compressing the upper tapered roller bearing 7 and the lower tapered roller bearing 6;
the bearing fixing spacer 4 is shown in fig. 3, and the bearing fixing spacer 4 is used for limiting and positioning the upper tapered roller bearing 7 and the lower tapered roller bearing 6;
the bearing fixing shaft sleeve 5 is shown in fig. 4, and the bearing fixing shaft sleeve 5 is used for connecting an upper tapered roller bearing 7 and a lower tapered roller bearing 6 in series;
wherein, the processing of the upper tapered roller bearing 7 and the lower tapered roller bearing 6 after combination is shown in fig. 5;
the bearing fixing end cover 1 is fixedly connected with the bearing fixing shaft sleeve 5 through a hexagon head bolt 3;
wherein, the hexagon head bolt 3 is also provided with a plain washer 2;
through adopting above-mentioned technical scheme, can solve the inside no retaining ring structural design of raceway planet wheel 10, prevent the problem that lower extreme bearing dropped after the installation inner bearing, reduce operating personnel's working strength, improve assembly efficiency, the structural principle is simple moreover, makes things convenient for workman's installation operation and maintenance to under the limited condition in space mounted position, can also realize convenient demolishment.
The working principle of the utility model is as follows: the bearing fixing shaft sleeve 5 is used for installing the upper tapered roller bearing 7 and the lower tapered roller bearing 6 in series, the positions of the upper tapered roller bearing 7 and the lower tapered roller bearing 6 correspond to the positions of the inner bearings of the raceway planet gears 10 through the bearing fixing spacer 4, then the bearing fixing end cover 1 is installed on the upper tapered roller bearing 7, the connection with the bearing fixing shaft sleeve 5 is realized through the hexagon head bolt 3 and the plain washer 2, finally the hexagon head bolt 3 is screwed down to press the bearing fixing end cover 1 in a pressing mode, the inner rings and the outer rings of the upper tapered roller bearing 7 and the lower tapered roller bearing 6 slide axially, the expansion effect is achieved, and in the continuous pressing process, friction force produced by the bearing fixing tool enables the inner bearings 8 of the first raceway planet gears and the inner bearings 9 of the second raceway planet gears in the raceway planet gears 10 to form a series connection, namely: the mutual tension force is acted, so that when the raceway planet wheel 10 is installed, the problem that the bearing falls off can be effectively solved by virtue of the mutual tension force between the internal bearings, and after the installation is finished, the upper tapered roller bearing 7 and the lower tapered roller bearing 6 can be caused to show a shrinkage trend by loosening the hexagon head bolt 3, so that the bearing fixing tool is lifted out from the upper part of the inner hole of the raceway planet wheel 10, and the effect of conveniently dismantling the tool in a narrow space position range is achieved;
in summary, the utility model can solve the problem that the lower end bearing is prevented from falling after the inner bearing is installed when the raceway planet wheel 10 is designed without a retainer ring structure, reduces the working strength of operators, improves the assembly efficiency, has simple structure principle, is convenient for workers to install, operate and maintain, and can realize convenient disassembly under the condition of limited space installation positions.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (5)
1. A fixed frock for installing inside bearing anti drop of raceway planet wheel, its characterized in that includes:
the tensioning mechanism comprises a bearing fixing end cover (1), a bearing fixing spacer bush (4), a bearing fixing shaft sleeve (5), a lower tapered roller bearing (6), an upper tapered roller bearing (7), a hexagonal head bolt (3) and a flat washer (2), wherein:
the tensioning mechanism is matched with the raceway planet wheel (10), and the bearing fixing end cover (1) is used for pressing the upper tapered roller bearing (7) and the lower tapered roller bearing (6);
the bearing fixing spacer bush (4) is used for limiting and positioning the upper tapered roller bearing (7) and the lower tapered roller bearing (6);
the bearing fixing shaft sleeve (5) is used for connecting an upper tapered roller bearing (7) and a lower tapered roller bearing (6) in series.
2. The fixing tool for installing the inner bearing of the raceway planet gear to prevent falling according to claim 1, wherein the fixing tool is characterized in that: the bearing fixing end cover (1) is fixedly connected with the bearing fixing shaft sleeve (5) through the hexagon head bolt (3).
3. The fixing tool for installing the inner bearing of the raceway planet gear to prevent falling according to claim 2, wherein: and the hexagonal head bolt (3) is also provided with a flat washer (2), and the hexagonal head bolt (3) and the flat washer (2) are used for realizing the connection with the bearing fixing shaft sleeve (5).
4. A fixed tooling for installing an inner bearing anti-drop of a raceway planet according to claim 3, characterized in that: the inner parts of the tensioning mechanism and the raceway planet wheel (10) are sequentially provided with a first raceway planet wheel inner bearing (8) and a second raceway planet wheel inner bearing (9).
5. The fixed tooling for installing the inner bearing of the raceway planet wheel to prevent falling according to claim 4, wherein: the bearing fixing shaft sleeve (5) is used for installing an upper tapered roller bearing (7) and a lower tapered roller bearing (6) in series, and the positions of the upper tapered roller bearing (7) and the lower tapered roller bearing (6) correspond to the positions of the inner bearings of the raceway planet gears (10) through the bearing fixing spacer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082628.5U CN219337561U (en) | 2023-01-28 | 2023-01-28 | Fixing tool for mounting anti-falling bearing inside raceway planet wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082628.5U CN219337561U (en) | 2023-01-28 | 2023-01-28 | Fixing tool for mounting anti-falling bearing inside raceway planet wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219337561U true CN219337561U (en) | 2023-07-14 |
Family
ID=87108576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320082628.5U Active CN219337561U (en) | 2023-01-28 | 2023-01-28 | Fixing tool for mounting anti-falling bearing inside raceway planet wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219337561U (en) |
-
2023
- 2023-01-28 CN CN202320082628.5U patent/CN219337561U/en active Active
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