CN216306025U - Rotor machine with axial positioning function and power equipment - Google Patents
Rotor machine with axial positioning function and power equipment Download PDFInfo
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- CN216306025U CN216306025U CN202122650391.XU CN202122650391U CN216306025U CN 216306025 U CN216306025 U CN 216306025U CN 202122650391 U CN202122650391 U CN 202122650391U CN 216306025 U CN216306025 U CN 216306025U
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- needle bearing
- axial positioning
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Abstract
The utility model belongs to the technical field of engines, and provides a rotor machine with axial positioning and power equipment. The rotor machine with the axial positioning function comprises a positioning disc, a positioning disc and a positioning disc, wherein the positioning disc is arranged at one end of a gear at the position of a front end cover of the rotor machine; the first needle bearing and the second needle bearing are respectively arranged at two ends of the positioning disc; the first needle bearing is also contacted with a shaft shoulder of the eccentric shaft through a first gasket; the second needle bearing is also contacted with the balance weight through a second gasket; and the locking nut is used for locking and positioning the eccentric shaft in the axial direction.
Description
Technical Field
The utility model belongs to the technical field of engines, and particularly relates to a rotor machine with axial positioning and power equipment.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Aiming at the structure and the positioning of the eccentric shaft of the rotor machine, the eccentric shaft mostly adopts a multi-step structure, and the axial positioning mostly adopts a standard cylindrical roller bearing. Because of the use structure requirement of the cylindrical roller bearing, a positioning shaft shoulder and a bearing end cover are required, the axial length of the eccentric shaft and the whole machine is increased, and the weight of the whole machine is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides a rotor machine with axial positioning and power equipment, which can reduce the volume of the rotor machine and increase the specific power of the rotor machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a first aspect of the utility model provides a rotor machine with axial positioning, comprising:
the positioning disc is arranged at one end of the gear at the position of the front end cover of the rotor machine;
the first needle bearing and the second needle bearing are respectively arranged at two ends of the positioning disc; the first needle bearing is also contacted with a shaft shoulder of the eccentric shaft through a first gasket; the second needle bearing is also contacted with the balance weight through a second gasket;
and the locking nut is used for locking and positioning the eccentric shaft in the axial direction.
In one embodiment, the first needle bearing, the second needle bearing, the positioning disk and the second spacer are axially contacted with the spacer in the shaft.
In one embodiment, the spacer has a thickness that is the gap between the first and second needle bearings.
As an embodiment, the counterweight is also in contact with the sprocket.
In one embodiment, the sprocket is also in contact with the pulley.
In one embodiment, a bearing bush is further disposed outside the eccentric shaft.
In one embodiment, a cover is further disposed on the outer side of the rotor machine with the axial positioning function.
A second aspect of the utility model provides a power plant comprising a rotor machine with axial positioning as described above.
In one embodiment, the rotor machine is arranged outside the stator.
In one embodiment, the power equipment is externally provided with a shell.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the positioning disc is arranged at the front end cover of the rotor machine, the first needle roller bearing and the second needle roller bearing are respectively arranged at two ends of the positioning disc, the first needle roller bearing is also contacted with the shaft shoulder of the eccentric shaft through the first gasket, the second needle roller bearing is also contacted with the balance weight through the second gasket, and the locking nut is used for axially locking and positioning the eccentric shaft, so that the axial positioning of the eccentric shaft is completed, the axial length of the whole eccentric shaft is obviously reduced, the volume of the whole machine is reduced, and the weight is lightened.
The shaft insides of the first needle bearing, the second needle bearing, the positioning plate and the second gasket are in axial contact with the spacer bush, and the gap of the needle bearing can be adjusted by adjusting the thickness of the spacer bush, so that a good motion state is ensured.
Advantages of additional aspects of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic view of a rotor machine with axial positioning according to an embodiment of the present invention;
fig. 2 is a schematic view of a conventional rotor machine with axial positioning.
The eccentric shaft 1, the bearing bush 2, the gear 3, the front end cover 4, the positioning disc 5, the first gasket 6, the first needle bearing 7, the spacer 8, the second needle bearing 9, the second gasket 10, the counterweight 11, the chain wheel 12, the belt wheel 13, the lock nut 14, the cover 15, the rotor 16, the first cylindrical roller bearing 17, the first cylindrical roller bearing end cover 18, the front cover 19, the copper bush 20, the second cylindrical roller bearing 21 and the second cylindrical roller bearing end cover 22.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example one
Fig. 2 shows a schematic view of a conventional rotor machine with axial positioning. In fig. 2, the eccentric shaft 1 in the rotor 16 is a multi-step structure, and the cylindrical roller bearings used in the multi-step structure are a first cylindrical roller bearing 17 and a second cylindrical roller bearing 21, but because the use structure of the cylindrical roller bearings requires a positioning shoulder and a bearing end cover, end covers are installed on the end surfaces of the first cylindrical roller bearing 17 and the second cylindrical roller bearing 21, wherein the first cylindrical roller bearing end cover 18 is installed on the end surface of the first cylindrical roller bearing 17, and the second cylindrical roller bearing end cover 22 is installed on the end surface of the second cylindrical roller bearing 21. The axial positioning structure in fig. 2 increases the axial length of the eccentric shaft and the whole machine, and simultaneously increases the weight of the whole machine.
In order to solve the above technical problem in fig. 2, the present embodiment provides a rotor machine with axial positioning, referring to fig. 1, which includes:
the positioning disc 5 is arranged at one end of the gear 3 at the position of the front end cover 4 of the rotor machine;
a first needle bearing 7 and a second needle bearing 9 which are respectively arranged at two ends of the positioning plate 5; the first needle bearing 7 is also contacted with the shaft shoulder of the eccentric shaft 1 through a first gasket 6; the second needle bearing 9 is also in contact with a counterweight 11 through a second gasket 10;
and a locking nut 14 for axially locking and positioning the eccentric shaft 4.
In one specific embodiment, the first needle bearing 7, the second needle bearing 9, the positioning disk 5 and the second gasket 10 are axially contacted with the spacer 8 in the shaft. The spacer 8 has a thickness corresponding to a clearance between the first needle bearing 7 and the second needle bearing 9. Therefore, the gap of the needle bearing can be adjusted by adjusting the thickness of the spacer bush, and a good motion state is ensured.
In fig. 1, the balancing weight 11 is also in contact with the sprocket 12. The sprocket 12 is also in pulley contact with a belt 13.
In specific implementation, a bearing bush 2 is further arranged outside the eccentric shaft 1. The outer side of the rotor machine with axial positioning is also provided with a cover 15.
The positioning disc is installed at the position of a front end cover of the rotor machine, the first needle bearing and the second needle bearing are respectively installed at two ends of the positioning disc, the first needle bearing is contacted with a shaft shoulder of the eccentric shaft through a first gasket, the second needle bearing is contacted with a balance weight through a second gasket, the locking nut is used for axially locking and positioning the eccentric shaft, and the axial positioning of the eccentric shaft is completed, so that the axial length of the whole eccentric shaft is obviously reduced, the size of the whole machine is reduced, and the weight is reduced.
Example two
The present embodiment provides a power plant comprising a rotor machine with axial positioning as described above.
In some embodiments, the rotor machine is disposed outside the stator.
In other embodiments, a housing is also provided external to the power plant.
It should be noted here that other structures of the power plant are all existing structures, and are not described here again.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rotor machine with axial positioning, comprising:
the positioning disc is arranged at one end of the gear at the position of the front end cover of the rotor machine;
the first needle bearing and the second needle bearing are respectively arranged at two ends of the positioning disc; the first needle bearing is also contacted with a shaft shoulder of the eccentric shaft through a first gasket; the second needle bearing is also contacted with the balance weight through a second gasket;
and the locking nut is used for locking and positioning the eccentric shaft in the axial direction.
2. The rotor machine with axial positioning of claim 1, wherein the first needle bearing, the second needle bearing, the positioning disk and the second spacer are in axial contact with the spacer in the shaft.
3. The rotor machine with axial positioning of claim 2, wherein the spacer has a thickness of a clearance between the first and second needle bearings.
4. The rotor machine with axial positioning of claim 1, wherein the counterweight is also in contact with a sprocket.
5. The rotor machine with axial positioning of claim 4, wherein the sprocket is also in contact with a pulley.
6. The rotor machine with axial positioning as recited in claim 1, wherein a bushing is further provided outside the eccentric shaft.
7. The rotor machine with axial positioning of claim 1, wherein the outside of the rotor machine with axial positioning is further provided with a cover.
8. A power plant characterized by comprising a rotor machine with axial positioning according to any one of claims 1-7.
9. The power plant of claim 8, wherein the rotor machine is disposed outside the stator.
10. The power plant of claim 8, wherein the power plant exterior is further provided with a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650391.XU CN216306025U (en) | 2021-11-01 | 2021-11-01 | Rotor machine with axial positioning function and power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650391.XU CN216306025U (en) | 2021-11-01 | 2021-11-01 | Rotor machine with axial positioning function and power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306025U true CN216306025U (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122650391.XU Active CN216306025U (en) | 2021-11-01 | 2021-11-01 | Rotor machine with axial positioning function and power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306025U (en) |
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2021
- 2021-11-01 CN CN202122650391.XU patent/CN216306025U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230615 Address after: No. 1234 Taihang Road, Nanshi District, Baoding City, Hebei Province, 071033 Patentee after: Xing Huanyong Address before: 028000 north of Qinghe street and east of Tonghuo railway, Tongliao Economic and Technological Development Zone, Inner Mongolia Autonomous Region Patentee before: Tongliao hydrogen Drive Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: Room 4418, Building 3, Jiangcheng R&D Park, No. 1088, Jiangcheng Road, Sutong Science and Technology Industrial Park, Nantong City, Jiangsu Province, 226000 (T1) Patentee after: Nantong Xiuli Environmental Protection Technology Development Center (L.P.) Address before: No. 1234 Taihang Road, Nanshi District, Baoding City, Hebei Province, 071033 Patentee before: Xing Huanyong |