CN204425089U - The insulation bearing fixed structure of high reliability - Google Patents
The insulation bearing fixed structure of high reliability Download PDFInfo
- Publication number
- CN204425089U CN204425089U CN201520168878.6U CN201520168878U CN204425089U CN 204425089 U CN204425089 U CN 204425089U CN 201520168878 U CN201520168878 U CN 201520168878U CN 204425089 U CN204425089 U CN 204425089U
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- bearing
- insulation
- small end
- insulation bearing
- cover
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- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model is a kind of insulation bearing fixed structure of high reliability, solve existing insulation bearing mount fixing structure due to its fault of construction, easily damage bearing outer ring insulating coating during the installation and removal existed, cause bearing to scrap, produce security hidden trouble.The utility model is made up of insulation bearing, support, outer bearing cover, internal sealed ring, outer seal ring, large end cap and small end cover, when assembling and dismantle, utilize heating installation and removal insulation bearing, insulation bearing outer ring insulating coating can not damage, ensure that and motor useful life can not produce potential safety hazard.Efficiently solve the technology drawback that bearing insulation coating is easily damaged, reliability is low that traditional structure exists.
Description
Technical field
The utility model relates to the Assembly And Disassembly technical field of motor, is specially a kind of insulation bearing fixed structure and assembly and disassembly methods thereof of high reliability.
Background technology
Motor provides equipment as a kind of power, can be that mechanical energy exports electric energy conversion, therefore be used widely in many industries.Motor is made up of two large basic element of character stators and rotators, and stator maintains static, and rotor rotates, and realizes this function and must rely on motor bearings at both ends, and bearing forms the indispensable part of electric machine structure, and bearing is once break down, and motor can only shut down.Motor is in operation process, bearing is originally in High Rotation Speed, due to the existence of motor shaft electric current, potential difference is there is between bearing enclose, often after the short time is run, cause bearing galvanic corrosion because the potential difference of bearing own produces electric discharge, burn out a bearing because frictional heat produces amount of heat when the bearing after galvanic corrosion runs up, make motor cisco unity malfunction.In order to head it off, Production of bearing producer plates the generation of insulating barrier partition shaft current at bearing outer ring, avoids bearing galvanic corrosion.But motor manufacturer is when assembly and disassembly motor, because insulation bearing fixed installation unreasonable structure causes bearing outer ring to collide with, local or all damage outer ring insulating coating, and any local damage of bearing outer ring insulating coating all cannot cut off the generation of shaft current, cause motor to run middle (center) bearing galvanic corrosion, substantially reduce motor useful life.The bearing that insulating coating damages can only be scrapped, and add cost, even if insulating coating does not damage, but through irrational installation and removal, insulating coating is also subject to artificial destruction, leaves potential safety hazard.
Summary of the invention
The purpose of this utility model is to solve existing insulation bearing mount fixing structure due to its fault of construction, bearing outer ring insulating coating is easily damaged during the installation and removal existed, bearing is caused to scrap, produce security hidden trouble, and a kind of insulation bearing fixed structure and assembly and disassembly methods thereof of high reliability are provided.
The utility model is achieved by the following technical solution:
A kind of insulation bearing fixed structure of high reliability, comprise insulation bearing, support, outer bearing cover, internal sealed ring and outer seal ring, also comprise large end cap and small end cover simultaneously, wherein, large end cap is arranged on support, small end cover is arranged on the center mounting hole of large end cap, be assemblied on rotor in the center mounting hole that insulation bearing is arranged on small end cover simultaneously, outer bearing cover is arranged on the center mounting hole outboard end of small end cover, the center mounting hole medial extremity that internal sealed ring is arranged on small end cover is assemblied on rotor simultaneously, the center mounting hole outboard end that outer seal ring is arranged on outer bearing cover is encapsulated on rotor outer end simultaneously.
The assembly and disassembly methods of the insulation bearing fixed structure of the utility model high reliability is as follows:
1) assembling comprises the steps: a, large end cap is arranged on support; B, small end cover to be heated, afterwards insulation bearing is put into the center mounting hole of small end cover, owing to being add thermal expansion assembling, therefore insulation bearing outer ring insulating coating can not damage; C, internal sealed ring heating collar is contained on rotor, afterwards the small end cover being assembled with insulation bearing is heated again and insulation bearing is assemblied on rotor, internal sealed ring being arranged on the center mounting hole medial extremity of small end cover simultaneously; D, covering ring seal is contained on rotor outer end, outer seal ring is arranged on the center mounting hole outboard end of outer bearing cover simultaneously; E, small end cover is laterally assemblied on the center mounting hole of large end cap; Above-mentioned whole assembling process available protecting insulation bearing outer ring insulating coating.
2) dismounting comprises the steps: a, dismantles lower outside seal ring and outer bearing cover; B, rotor to be extracted out from large end cap and support together with small end cover, insulation bearing; C, heating small end cover, by small end cover together with insulation bearing from rotor dismounting under; D, small end cover heat small end cover separately after pulling down, and after small end cover adds thermal expansion, are taken out by insulation bearing from small end cover; Whole unloading process available protecting insulation bearing outer ring insulating coating.
After the insulation bearing fixed structure adopting the utility model high reliability and assembly and disassembly methods thereof, efficiently solve the technology drawback that bearing insulation coating is easily damaged, reliability is low that traditional structure exists.By comparison, adopt the traction electric machine tool of technical solutions of the utility model to have the following advantages: when assembling and dismantle, utilize heating installation and removal insulation bearing, insulation bearing outer ring insulating coating can not damage, ensure that and motor useful life can not produce potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
In figure: 1-insulation bearing, 2-support, 3-outer bearing cover, 4-internal sealed ring, 5-outer seal ring, the large end cap of 6-, 7-small end cover, 8-rotor.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described:
As shown in Figure 1, a kind of insulation bearing fixed structure of high reliability, comprise insulation bearing 1, support 2, outer bearing cover 3, internal sealed ring 4 and outer seal ring 5, also comprise large end cap 6 and small end cover 7 simultaneously, wherein, large end cap 6 is arranged on support 2, small end cover 7 is arranged on the center mounting hole of large end cap 6, be assemblied on rotor 8 in the center mounting hole that insulation bearing 1 is arranged on small end cover 7 simultaneously, outer bearing cover 3 is arranged on the center mounting hole outboard end of small end cover 7, the center mounting hole medial extremity that internal sealed ring 4 is arranged on small end cover 7 is assemblied on rotor 8 simultaneously, the center mounting hole outboard end that outer seal ring 5 is arranged on outer bearing cover 3 is encapsulated on rotor 8 outer end simultaneously.
The assembly and disassembly methods of the insulation bearing fixed structure of above-mentioned high reliability is as follows:
1) assembling comprises the steps: a, large end cap 6 is arranged on support 2; B, small end cover 7 to be heated, afterwards insulation bearing 1 is put into the center mounting hole of small end cover 7, owing to being add thermal expansion assembling, therefore insulation bearing 1 outer ring insulating coating can not damage; C, internal sealed ring 4 heating collar is contained on rotor 8, afterwards the small end cover 7 being assembled with insulation bearing 1 is again heated and is assemblied on rotor 8 by insulation bearing 1, internal sealed ring 4 being arranged on the center mounting hole medial extremity of small end cover 7 simultaneously; D, outer seal ring 5 is encapsulated on rotor 8 outer end, outer seal ring 5 is arranged on the center mounting hole outboard end of outer bearing cover 3 simultaneously; E, small end cover 7 is laterally assemblied on the center mounting hole of large end cap 6;
2) dismounting comprises the steps: a, dismantles lower outside seal ring 5 and outer bearing cover 3; B, rotor 8 to be extracted out from large end cap 6 and support 2 together with small end cover 7, insulation bearing 1; C, heating small end cover 7, by small end cover 7 together with insulation bearing 1 from rotor 8 dismantle under; After d, small end cover 7 are pulled down, heating small end cover 7, after small end cover 7 adds thermal expansion, takes out insulation bearing 1 from small end cover 7 separately.
Claims (1)
1. the insulation bearing fixed structure of a high reliability, comprise insulation bearing (1), support (2), outer bearing cover (3), internal sealed ring (4) and outer seal ring (5), it is characterized in that: also comprise large end cap (6) and small end cover (7), wherein, large end cap (6) is arranged on support (2), small end cover (7) is arranged on the center mounting hole of large end cap (6), be assemblied on rotor (8) in the center mounting hole that insulation bearing (1) is arranged on small end cover (7) simultaneously, outer bearing cover (3) is arranged on the center mounting hole outboard end of small end cover (7), the center mounting hole medial extremity that internal sealed ring (4) is arranged on small end cover (7) is assemblied on rotor (8) simultaneously, the center mounting hole outboard end that outer seal ring (5) is arranged on outer bearing cover (3) is encapsulated on rotor (8) outer end simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168878.6U CN204425089U (en) | 2015-03-25 | 2015-03-25 | The insulation bearing fixed structure of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168878.6U CN204425089U (en) | 2015-03-25 | 2015-03-25 | The insulation bearing fixed structure of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425089U true CN204425089U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520168878.6U Active CN204425089U (en) | 2015-03-25 | 2015-03-25 | The insulation bearing fixed structure of high reliability |
Country Status (1)
| Country | Link |
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| CN (1) | CN204425089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702038A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | High-reliability insulated bearing fixing structure and method for disassembling and assembling the structure |
-
2015
- 2015-03-25 CN CN201520168878.6U patent/CN204425089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702038A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | High-reliability insulated bearing fixing structure and method for disassembling and assembling the structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |