CN201953706U - Bearing structure of special motor for direct-connected centrifugal pump - Google Patents
Bearing structure of special motor for direct-connected centrifugal pump Download PDFInfo
- Publication number
- CN201953706U CN201953706U CN2011200809253U CN201120080925U CN201953706U CN 201953706 U CN201953706 U CN 201953706U CN 2011200809253 U CN2011200809253 U CN 2011200809253U CN 201120080925 U CN201120080925 U CN 201120080925U CN 201953706 U CN201953706 U CN 201953706U
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- CN
- China
- Prior art keywords
- bearing
- bearings
- bearing structure
- direct
- centrifugal pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a bearing structure of a motor, in particular to a bearing structure of a special motor for a direct-connected centrifugal pump. The bearing structure comprises bearings, a motor shaft and bearing end caps, wherein the bearings are arranged in an end cap of the motor, the motor shaft is matched with inner rings of the bearings, and the bearing end caps are arranged on two sides of the bearings. The technical scheme includes that the bearings are coupled angular contact bearings mounted in a pairing manner, the wide end faces of outer rings of the two bearings are opposite, the wide end faces of the inner rings of the two bearings are abutted to a shaft shoulder, and the other sides of the wide end faces of the inner rings of the two bearings are pre-fastened by the aid of retaining nuts. By the aid of the bearing structure, the problem of water pump quality caused by axial movement of bearings and larger axial force in the prior art is solved so that the service life of a water pump is prolonged.
Description
Technical field
The utility model relates to a kind of gear mechanism of motor, particularly a kind of bearing structure of direct-connected centrifugal pump motor special.
Background technique
The motor shaft of direct-connected centrifugal pump and pump shaft are the same axises, because aspect factors such as water pump vane axially loaded area does not wait, water pump often stops shutdown all can make water pump produce axial force, and this axial force is that different period different direction change, and therefore can make axle produce an axial play.The bearing structure of existing direct-connected centrifugal pump motor special can not bear bigger axial force, nor the axial float of energy restrictive axes.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned defective of prior art, provides a kind of larger axis that can bear to power, and the bearing structure of the direct-connected centrifugal pump motor special of the axial float of the reliable restrictive axes of energy.
The utility model comprises the bearing (ball) cover that is arranged on bearing, the motor shaft that cooperates with bearing inner race in the electric motor end cap and is arranged on the bearing both sides, its technical solution is that described bearing is the angular contact bearing that paired duplex is installed, the wide end surface of two bearings outer ring is relative, wide end surface one side of two bearings inner ring is resisted against on the shaft shoulder, side locking nut pretension.
After adopting said structure, the utility model solved in the prior art because of bearing axial float and larger axis to the water pump quality problems that power causes, prolonged the working life of water pump.
Description of drawings
Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.
Fig. 1: the structural representation of present embodiment.
Embodiment
As shown in the figure, present embodiment comprises bearing, motor shaft 2 that cooperates with bearing inner race that is arranged in the electric motor end cap 1 and the bearing (ball) cover 3 that is arranged on the bearing both sides, described bearing is the angular contact bearing 41,42 that paired duplex is installed, the wide end surface of two bearings 41,42 outer rings is relative, wide end surface one side of two bearings 41,42 inner rings is resisted against on the shaft shoulder, side locking nut 5 pretensions.For guaranteeing the axial no play of axle, needing between bearing (ball) cover and the bearing does not have the gap in the present embodiment.Locking nut in the present embodiment is two round nuts, can certainly replace with other locking mechanism.
Claims (3)
1. the bearing structure of a direct-connected centrifugal pump motor special, comprise the bearing (ball) cover that is arranged on bearing, the motor shaft that cooperates with bearing inner race in the electric motor end cap and is arranged on the bearing both sides, it is characterized in that: described bearing is the angular contact bearing that paired duplex is installed, the wide end surface of two bearings outer ring is relative, wide end surface one side of two bearings inner ring is resisted against on the shaft shoulder, side locking nut pretension.
2. the bearing structure of a kind of direct-connected centrifugal pump motor special according to claim 1 is characterized in that: do not have the gap between bearing (ball) cover and the bearing.
3. the bearing structure of a kind of direct-connected centrifugal pump motor special according to claim 1 and 2 is characterized in that: described locking nut is two round nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809253U CN201953706U (en) | 2011-03-24 | 2011-03-24 | Bearing structure of special motor for direct-connected centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809253U CN201953706U (en) | 2011-03-24 | 2011-03-24 | Bearing structure of special motor for direct-connected centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953706U true CN201953706U (en) | 2011-08-31 |
Family
ID=44497818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200809253U Expired - Fee Related CN201953706U (en) | 2011-03-24 | 2011-03-24 | Bearing structure of special motor for direct-connected centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623235A (en) * | 2021-09-23 | 2021-11-09 | 浙江浙能绍兴滨海热电有限责任公司 | Clean water pump and water pressure adjusting method applying same |
-
2011
- 2011-03-24 CN CN2011200809253U patent/CN201953706U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623235A (en) * | 2021-09-23 | 2021-11-09 | 浙江浙能绍兴滨海热电有限责任公司 | Clean water pump and water pressure adjusting method applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20120324 |