CN219866203U - Plug-in type planetary assembly and mining planetary reducer - Google Patents
Plug-in type planetary assembly and mining planetary reducer Download PDFInfo
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- CN219866203U CN219866203U CN202320982141.2U CN202320982141U CN219866203U CN 219866203 U CN219866203 U CN 219866203U CN 202320982141 U CN202320982141 U CN 202320982141U CN 219866203 U CN219866203 U CN 219866203U
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- limiting plate
- planetary
- planet carrier
- planetary gear
- blind hole
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 13
- 238000005065 mining Methods 0.000 title claims abstract description 10
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 239000000969 carrier Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
A plug-in type planetary assembly comprises a planetary gear structure, a planetary carrier and a limiting plate; blind holes uniformly distributed along the circumference are formed in the end face of the planet carrier along the axial direction of the planet carrier; the planetary gear structure is correspondingly rotatably arranged in each blind hole, and the meshing end of the planetary gear structure is positioned outside the blind hole; the limiting plate is arranged on the end face of the planet carrier, provided with the blind hole, and is positioned on one side, far away from the planet carrier, of the planet carrier structure, and a gap is reserved between the limiting plate and the meshing end of the planet carrier structure. When the planetary gear structure is disassembled, the planetary gear structure can be integrally pulled out from the planetary carrier only by disassembling the limiting plate, so that the quick disassembly of the planetary gear structure is realized; and secondly, the planet carrier adopts an open structure, and compared with a double-wall structure, the planet carrier can be machined by clamping and turning only once, so that the machining efficiency is improved. A mining planetary reducer is also provided.
Description
Technical Field
The utility model relates to the technical field of mining reducers, in particular to a plug-in type planetary assembly and a mining planetary reducer.
Background
The planetary reducer is an industrial product with wide application, the performance of which can be compared with other military grade reducer products, but has the price of the industrial grade product, and is mainly used for the slewing mechanism of a tower crane, and can also be used as a matching component for the industries of hoisting, excavating, transporting, building and the like. Planetary reducers generally include planetary gears, planetary carriers, sun gears, external ring gears, and the like; wherein, planet wheel and planet carrier are collectively called as a planet assembly.
At present, most planetary carriers in a planetary assembly of a mining speed reducer are of a double-wall split type or a double-wall integral type structure, planetary gears are fixed between two walls through shafts and bearings, and when the planetary gears are dismounted, special tools are required to be combined with heating or freezing parts to be mounted smoothly, so that the planetary gears are relatively complex to dismount; secondly, the planet wheel shaft holes of the double-wall split type planet carrier and the positioning surfaces of the planet wheels positioned between the two walls and axially positioned are required to be machined on two machine tools, and in the machining process, the two machine tools and clamping are required to be replaced and clamped twice, so that the working procedure is complicated, and the machining efficiency is seriously affected.
Disclosure of Invention
In order to solve the technical problems in the prior art, it is necessary to provide a plug-in planetary assembly.
A plug-in type planetary assembly comprises a planetary gear structure, a planetary carrier and a limiting plate;
blind holes uniformly distributed in circumference are formed in the end face of the planet carrier along the axial direction of the planet carrier;
the planetary gear structure is correspondingly rotatably arranged in each blind hole, and the meshing end of the planetary gear structure is positioned outside each blind hole;
the limiting plate is arranged on the end face of the planet carrier, provided with the blind hole, and is positioned on one side, far away from the planet carrier, of the planet carrier structure, and a gap is reserved between the limiting plate and the meshing end of the planet carrier structure.
Preferably, the planetary gear structure comprises a planetary gear body, the planetary gear body is arranged in the blind hole along the axial direction of the blind hole, the engagement end of the planetary gear body is positioned outside the blind hole, and the planetary gear body is sleeved with a first bearing and a second bearing which are attached to the inner wall of the blind hole.
Preferably, the end part of the planetary wheel body, which is close to the limiting plate, is provided with a wear-resistant ring, and a gap is reserved between the wear-resistant ring and the limiting plate.
Preferably, a limiting sleeve is arranged on one side, close to the planetary wheel body, of the limiting plate, and two end parts of the limiting sleeve are respectively abutted against the limiting plate and the planetary carrier.
Preferably, the limiting plate is provided with a fastening screw, and the fastening screw sequentially penetrates through the limiting plate and the limiting sleeve and is inserted into the planet carrier to integrally connect the limiting plate and the planet carrier.
Preferably, a wear-resistant layer is arranged on one side of the wear-resistant ring, which is close to the limiting plate.
Preferably, the clearance between the wear-resistant ring and the limiting plate is 0.4-0.6 mm.
It is also necessary to provide a mining planetary reducer.
A mining planetary reducer comprises the plug-in type planetary assembly.
According to the technical scheme, the plug-in type planetary assembly provided by the utility model comprises a planetary gear structure, a planetary carrier and a limiting plate; blind holes uniformly distributed along the circumference are formed in the end face of the planet carrier along the axial direction of the planet carrier; the planetary gear structure is correspondingly rotatably arranged in each blind hole, and the meshing end of the planetary gear structure is positioned outside the blind hole; the limiting plate is arranged on the end face of the planet carrier, provided with the blind hole, and is positioned on one side, far away from the planet carrier, of the planet carrier structure, and a gap is reserved between the limiting plate and the meshing end of the planet carrier structure. When the planetary gear structure is disassembled, the planetary gear structure can be integrally pulled out from the planetary carrier only by disassembling the limiting plate, so that the quick disassembly of the planetary gear structure is realized; and secondly, the planet carrier adopts an open structure, and compared with a double-wall structure, the planet carrier can be machined by clamping and turning only once, so that the machining efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: the planetary gear structure 01, the planetary gear body 11, the first bearing 12, the second bearing 13, the planetary carrier 02, the blind hole 21, the limiting plate 03, the wear-resisting ring 04, the limiting sleeve 05 and the fastening screw 06.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," "lower," and the like are used for indicating orientations or positional relationships, merely to facilitate the description of the present utility model and simplify the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present utility model.
Referring to fig. 1, in one embodiment, the present utility model provides a plug-in planetary assembly, which includes a planetary gear structure 01, a planetary carrier 02, and a limiting plate 03; the end face of the planet carrier 02 is provided with blind holes 21, the blind holes 21 are arranged along the axial direction of the planet carrier 02, and the blind holes 21 are circumferentially and uniformly distributed along the circumferential direction of the planet carrier 02. A corresponding rotation of the planet structure 01 is mounted in each blind hole 21, and the engagement end of the planet structure 01 is located outside the blind hole 21. The limiting plate 03 is arranged on the end face, provided with the blind hole 21, of the planet carrier 02, the limiting plate 03 is located on one side, far away from the planet carrier 02, of the planet wheel structure 01, and a gap is reserved between the limiting plate 03 and the meshing end of the planet wheel structure 01. When the planet wheel structure 01 is detached, the planet wheel structure 01 can be integrally pulled out of the planet carrier 02 only by detaching the limiting plate 03, so that the planet wheel structure 01 is quickly detached; and secondly, the planet carrier 02 adopts an open structure, and compared with a double-wall structure, the processing can be finished by only once clamping and one lathe, so that the processing efficiency is improved.
In one embodiment, the planetary gear structure 01 comprises a planetary gear body 11, the planetary gear body 11 is arranged in the blind hole 21 along the axial direction of the blind hole 21, the engagement end of the planetary gear body 11 is positioned outside the blind hole 21, and the planetary gear body 11 is sleeved with a first bearing 12 and a second bearing 13 which are attached to the inner wall of the blind hole 21. The first bearing 12 and the second bearing 13 are disposed at equal intervals in the axial direction of the planetary wheel body 11.
In one embodiment, the end part of the planetary wheel body 11, which is close to the limiting plate 03, is provided with a wear-resistant ring 04, and a gap is reserved between the wear-resistant ring 04 and the limiting plate 03; namely, the thickness of the wear-resistant ring 04 protruding out of the planetary wheel body 11 is smaller than the gap between the limiting plate 03 and the meshing end of the planetary wheel body 11; wherein, the clearance between the wear-resisting ring and the limiting plate is preferably 0.4-0.6 mm.
Specifically, a wear-resistant layer is arranged on one side of the wear-resistant ring 04, which is close to the limiting plate 03; the wear-resistant layer is formed integrally with the wear-resistant ring 04 by cladding techniques. In the normal operation process, when the planetary wheel body 11 moves to one side of the limiting plate 03 along the axial direction, the wear-resisting layer can be in contact with the limiting plate 03, and under the rotation of the planetary wheel body 11, the wear-resisting layer can relatively rotate with the limiting plate 03 to form friction loss, so that the planetary wheel body 11 can be protected by the wear-resisting layer.
In one embodiment, a limiting sleeve 05 is arranged on one side, close to the planetary wheel body 11, of the limiting plate 03, and two end parts of the limiting sleeve 05 respectively abut against the limiting plate 03 and the planetary frame 02; the distance between the limiting plate 03 and the planet carrier 02 can be defined by the limiting sleeve 05.
Specifically, a fastening screw 06 is mounted on the limiting plate 03, and the fastening screw 06 sequentially passes through the limiting plate 03 and the limiting sleeve 05 and is inserted into the planet carrier 02, so that the limiting plate 03 and the planet carrier 02 are connected into a whole.
In one embodiment, the utility model provides a mining planetary reducer comprising a plug-in planetary assembly.
The plug-in type planetary assembly comprises a planetary gear structure 01, a planetary carrier 02 and a limiting plate 03; the end face of the planet carrier 02 is provided with blind holes 21, the blind holes 21 are arranged along the axial direction of the planet carrier 02, and the blind holes 21 are circumferentially and uniformly distributed along the circumferential direction of the planet carrier 02. A corresponding rotation of the planet structure 01 is mounted in each blind hole 21, and the engagement end of the planet structure 01 is located outside the blind hole 21. The limiting plate 03 is arranged on the end face, provided with the blind hole 21, of the planet carrier 02, the limiting plate 03 is located on one side, far away from the planet carrier 02, of the planet wheel structure 01, and a gap is reserved between the limiting plate 03 and the meshing end of the planet wheel structure 01. When the planet wheel structure 01 is detached, the planet wheel structure 01 can be integrally pulled out of the planet carrier 02 only by detaching the limiting plate 03, so that the planet wheel structure 01 is quickly detached; and secondly, the planet carrier 02 adopts an open structure, and compared with a double-wall structure, the processing can be finished by only once clamping and one lathe, so that the processing efficiency is improved.
In one embodiment, the planetary gear structure 01 comprises a planetary gear body 11, the planetary gear body 11 is arranged in the blind hole 21 along the axial direction of the blind hole 21, the engagement end of the planetary gear body 11 is positioned outside the blind hole 21, and the planetary gear body 11 is sleeved with a first bearing 12 and a second bearing 13 which are attached to the inner wall of the blind hole 21. The first bearing 12 and the second bearing 13 are disposed at equal intervals in the axial direction of the planetary wheel body 11.
In one embodiment, the end part of the planetary wheel body 11, which is close to the limiting plate 03, is provided with a wear-resistant ring 04, and a gap is reserved between the wear-resistant ring 04 and the limiting plate 03; namely, the thickness of the wear-resistant ring 04 protruding out of the planetary wheel body 11 is smaller than the gap between the limiting plate 03 and the meshing end of the planetary wheel body 11; wherein, the clearance between the wear-resisting ring and the limiting plate is preferably 0.4-0.6 mm.
Specifically, a wear-resistant layer is arranged on one side of the wear-resistant ring 04, which is close to the limiting plate 03; the wear-resistant layer is formed integrally with the wear-resistant ring 04 by cladding techniques. In the normal operation process, when the planetary wheel body 11 moves to one side of the limiting plate 03 along the axial direction, the wear-resisting layer can be in contact with the limiting plate 03, and under the rotation of the planetary wheel body 11, the wear-resisting layer can relatively rotate with the limiting plate 03 to form friction loss, so that the planetary wheel body 11 can be protected by the wear-resisting layer.
In one embodiment, a limiting sleeve 05 is arranged on one side, close to the planetary wheel body 11, of the limiting plate 03, and two end parts of the limiting sleeve 05 respectively abut against the limiting plate 03 and the planetary frame 02; the distance between the limiting plate 03 and the planet carrier 02 can be defined by the limiting sleeve 05.
Specifically, a fastening screw 06 is mounted on the limiting plate 03, and the fastening screw 06 sequentially passes through the limiting plate 03 and the limiting sleeve 05 and is inserted into the planetary wheel body 11 to integrally connect the limiting plate 03 and the planetary frame 02.
The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a cartridge formula planet subassembly which characterized in that: comprises a planet wheel structure, a planet carrier and a limiting plate;
blind holes uniformly distributed in circumference are formed in the end face of the planet carrier along the axial direction of the planet carrier;
the planetary gear structure is correspondingly rotatably arranged in each blind hole, and the meshing end of the planetary gear structure is positioned outside each blind hole;
the limiting plate is arranged on the end face of the planet carrier, provided with the blind hole, and is positioned on one side, far away from the planet carrier, of the planet carrier structure, and a gap is reserved between the limiting plate and the meshing end of the planet carrier structure.
2. The cartridge-type planetary assembly according to claim 1, wherein: the planetary gear structure comprises a planetary gear body, the planetary gear body is arranged in the blind hole along the axis direction of the blind hole, the meshing end of the planetary gear body is positioned outside the blind hole, and a first bearing and a second bearing which are attached to the inner wall of the blind hole are sleeved on the planetary gear body.
3. The cartridge-type planetary assembly according to claim 2, wherein: the end part of the planetary wheel body, which is close to the limiting plate, is provided with a wear-resistant ring, and a gap is reserved between the wear-resistant ring and the limiting plate.
4. A cartridge-type planetary assembly according to claim 2 or 3, characterized in that: and one side of the limiting plate, which is close to the planetary wheel body, is provided with a limiting sleeve, and two end parts of the limiting sleeve are respectively abutted against the limiting plate and the planetary carrier.
5. The cartridge-type planetary assembly according to claim 4, wherein: the limiting plate is provided with a fastening screw, and the fastening screw sequentially penetrates through the limiting plate and the limiting sleeve and is inserted into the planet carrier to connect the limiting plate and the planet carrier into a whole.
6. A cartridge-type planetary assembly according to claim 3, characterized in that: and one side of the wear-resistant ring, which is close to the limiting plate, is provided with a wear-resistant layer.
7. A cartridge-type planetary assembly according to claim 3, characterized in that: the gap between the wear-resistant ring and the limiting plate is 0.4-0.6 mm.
8. The utility model provides a mining planetary reducer which characterized in that: comprising a cartridge-type planetary assembly according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982141.2U CN219866203U (en) | 2023-04-26 | 2023-04-26 | Plug-in type planetary assembly and mining planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982141.2U CN219866203U (en) | 2023-04-26 | 2023-04-26 | Plug-in type planetary assembly and mining planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866203U true CN219866203U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320982141.2U Active CN219866203U (en) | 2023-04-26 | 2023-04-26 | Plug-in type planetary assembly and mining planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866203U (en) |
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2023
- 2023-04-26 CN CN202320982141.2U patent/CN219866203U/en active Active
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