CN101592192A - A kind of method of compensating abrasion of rubber bearing bush - Google Patents
A kind of method of compensating abrasion of rubber bearing bush Download PDFInfo
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- CN101592192A CN101592192A CNA2009101156529A CN200910115652A CN101592192A CN 101592192 A CN101592192 A CN 101592192A CN A2009101156529 A CNA2009101156529 A CN A2009101156529A CN 200910115652 A CN200910115652 A CN 200910115652A CN 101592192 A CN101592192 A CN 101592192A
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- rubber bearing
- bearing bush
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- bearing shell
- rubber
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Abstract
A kind of method of compensating abrasion of rubber bearing bush belongs to the mechanical transmissioning technology field.The present invention is provided with guiding groove (2) and adjusts bolt (6) in the rubber bearing bush body, adopt the water lubricating rubber bearing shell structure in gap between can regulate and the axle journal, by regulating bolt, the rubber bearing bush body bushing (4) that has water lubricating rubber bearing shell piece (5) is moved radially to main shaft along guiding groove, realize compensation the rubber bearing bush wearing and tearing.The present invention is used in the rotating machinery of working in the water, is particularly useful for water turbine.
Description
Technical field
The present invention relates to the compensation method after rubber bearing bush weares and teares, belong to the mechanical transmissioning technology field.
Background technique
Long-term rotating machinery of in water, working, as the axial flow water turbine, its main transmission section is worked under water, owing to be difficult to realize the sealing of bearing shell, can't adopt grease lubricating bearing or oil-lubricated bearing, so the water turbine main transmission section adopts water lubricating rubber bearing shell structure usually, rely on the main shaft high speed rotating to make the water between water lubricating rubber bearing shell working surface and the main journal on water lubricating rubber bearing shell working surface, form the water lubrication film, play supports main shaft and reduce main journal and the rubber bearing bush working surface between the effect that rubs, also can limit the distortion of main shaft effectively and rock.The water lubricating rubber bearing shell structure that most for a long time water turbine adopt all is a monolithic construction, though this structure can form the water lubrication film with certain rigidity when beginning on water lubricating rubber bearing shell working surface, but after water turbine work a period of time, the continuous wearing and tearing of main journal and rubber bearing bush working surface will make the gap between rubber bearing bush working surface and the main journal constantly enlarge, the film formed condition of water lubrication also runs down, can't form until the water lubrication film, this will make further aggravation of wearing and tearing, cause the water turbine cisco unity malfunction, transmission efficiency and working efficiency all descend significantly.Therefore, making gap between rubber bearing bush working surface and the main journal remain on certain reasonable value is the primary condition that forms the water lubrication film with certain rigidity on the water lubricating rubber bearing shell working surface.In order to make water turbine keep higher transmission efficiency and working efficiency; when finding that transmission efficiency and working efficiency obviously descend when being excesssive gap between rubber bearing bush working surface and the main journal; the water turbine of employing integrated type water lubricating rubber bearing shell structure must be shut down and be carried out integral demounting; again change the bush seat assembly that the water lubricating rubber bearing shell is housed; the generation outage of during shutdown maintenance, having to; each change integrated type water lubricating rubber bearing shell all be equivalent to an overhaul or in repair; big, the consuming time length of workload, maintenance expenses height have increased the operating cost in power station.
Summary of the invention
Purpose of the present invention is to seek a kind of compensation method that solves behind the water lubricating rubber bearing bush abrasion, does not need the dismounting machine, just can in time compensate the gap that the rubber bearing bush wearing and tearing cause, and makes the rotating mechanical energy proper functioning of working in water.
The present invention is achieved by the following technical solutions:
The present invention changes traditional integrated type water lubricating rubber bearing shell into the polylith of certain adjusting play water lubricating rubber bearing shell piece each other, every water lubricating rubber bearing shell piece all can move in the corresponding guiding groove on the bearing shell body, and make each piece water lubricating rubber bearing shell can be separately implemented at the positive and negative displacement of bearing shell body central direction, thereby the split type water lubricating rubber bearing shell of each piece is adjusted easily according to the abrasion condition of rubber bearing bush and main journal by the screw drive that is arranged on the bearing shell body.
Method of the present invention is to be provided with guiding groove and to adjust bolt in the rubber bearing bush body, adopt the water lubricating rubber bearing shell structure in gap between can regulate and the axle journal, by regulating bolt, the rubber bearing bush body bushing that has water lubricating rubber bearing shell piece is moved radially to main shaft along guiding groove, realize compensation the rubber bearing bush wearing and tearing.
Being used for rubber bearing bush of the present invention is the water lubricating rubber bearing shell in gap between a kind of can regulate and the axle journal, it is combined by polylith water lubricating rubber bearing shell piece, between piece and the piece certain interval is arranged, each piece water lubricating rubber bearing shell piece can be under external force, radially move a certain distance, cause excesssive gap between main shaft and bearing shell owing to bearing bush abrasion with compensation.Accompanying drawing 2 is the rubber bearing bush schematic representation of being made up of 3 water lubricating rubber bearing shell pieces, and (51) are water lubricating rubber bearing shell piece, and (52) are the gap between piece and the piece.
The present invention's beneficial effect compared with prior art is that the rubber bearing bush that uses on the traditional water turbine is an overall structure form, behind the bearing bush abrasion, can't compensate, and can only shut down the rubber bearing bush that carries out the dismounting and change wearing and tearing.After adopting the present invention; the bearing shell that uses is adjustable water lubricating rubber bearing shell; can reach the purpose of regulating the gap between rubber bearing bush and the axle by adjusting bolt; when finding the rubber bearing bush wearing and tearing; just need not shut down and in time to adjust; make on the one hand the center of water lubricating rubber bearing shell working surface of the new formation that the split type water lubricating rubber bearing shell of each piece forms after adjustment concentric with the alignment of shafts; main is to make the gap between bearing shell and the main journal remain on optimum Working; help reducing main shaft at work rock and rubber bearing bush and main journal between friction; improve transmission efficiency and water turbine working life, also greatly reduced the operating cost in power station simultaneously.
The present invention is used in the rotating machinery of working in the water, is particularly useful for water turbine.
Description of drawings
Accompanying drawing 1 is rubber bearing bush assembling schematic representation
Picture in picture number expression: (1) main shaft; (2) guiding groove; (3) bolt; (4) rubber bearing bush body bushing; (5) rubber bearing bush; (6) adjust bolt; (7) supporting lid; (8) differential under; (9) rubber bearing bush body; (10) rubber bearing bush body gland;
Accompanying drawing 2 is a can regulate water lubricating rubber bearing shell schematic representation
Embodiment
The embodiment of the invention as shown in Figure 1.The rubber bearing bush (5) that rubber bearing bush body (9) holds main shaft (1), combined by polylith water lubricating rubber bearing shell piece, with the rubber bearing bush body bushing (4) of quantity such as water lubricating rubber bearing shell piece, be provided with the guiding groove vertical (2) in rubber bearing bush body inside with main shaft, rubber bearing bush body (9) garden was provided with on week adjusts bolt (6), adjust the central position of bolt screw over against the rubber bearing bush lining, regulate to adjust bolt can promote rubber bearing bush along guiding groove to main axle moving, realize regulating the purpose of rubber bearing bush compensation rubber bearing bush wearing and tearing.
Main shaft (1) is installed in the rubber bearing bush body (9), rubber bearing bush (5) is combined by polylith water lubricating rubber bearing shell piece, the rubber axis tile fragment is embedded on the rubber bearing bush body bushing (4), the rubber bearing bush body bushing is to press watt shape steel body that forms by the 45# forging, and garden arc radius is identical with the outer garden of rubber axis tile fragment radius in it; Rubber bearing bush (5) and rubber bearing bush body bushing (4) be at interior garden Zhou Fangxiang parcel main shaft (1), and the rubber axis tile fragment can coexist on the direction perpendicular to main shaft with rubber bearing bush body bushing one, and the guiding groove in the rubber bearing bush body moves.With rubber bearing bush body (9) Wai Yuanchu of each corresponding section, rubber axis tile fragment central position, all correspondence is provided with and adjusts bolt (6), when there are wearing and tearing in certain piece rubber axis tile fragment, just can regulate the adjustment bolt that points to this part rubber axis tile fragment, this adjusts the rubber bearing bush body bushing that bolt promotes to adhere to this part rubber axis tile fragment, the rubber bearing bush body bushing moves to major axes orientation along guiding groove, till the gap of adjusting to needed bearing shell and axle.
Claims (2)
1, a kind of method of compensating abrasion of rubber bearing bush, it is characterized in that, described method is provided with guiding groove and adjusts bolt in the rubber bearing bush body, adopt adjustable water lubricating rubber bearing shell structure, by regulating bolt, the rubber bearing bush body bushing that has water lubricating rubber bearing shell piece is moved radially to main shaft along guiding groove, realize compensation the rubber bearing bush wearing and tearing.
2, the method for a kind of compensating abrasion of rubber bearing bush according to claim 1 is characterized in that, described method can only compensate adjustment to adjustable water lubricating rubber bearing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101156529A CN101592192B (en) | 2009-07-07 | 2009-07-07 | Method for compensating abrasion of rubber bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101156529A CN101592192B (en) | 2009-07-07 | 2009-07-07 | Method for compensating abrasion of rubber bearing bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592192A true CN101592192A (en) | 2009-12-02 |
| CN101592192B CN101592192B (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101156529A Expired - Fee Related CN101592192B (en) | 2009-07-07 | 2009-07-07 | Method for compensating abrasion of rubber bearing bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101592192B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742548A (en) * | 2013-12-31 | 2014-04-23 | 江苏南铸科技股份有限公司 | Guide shaft support |
| CN104358653A (en) * | 2014-11-27 | 2015-02-18 | 天津市天发重型水电设备制造有限公司 | Novel bearing and main shaft combined sealing structure |
| CN104405768A (en) * | 2014-11-13 | 2015-03-11 | 重庆海山橡塑化工有限公司 | Rubber bearing |
| CN112295494A (en) * | 2020-10-20 | 2021-02-02 | 本钢板材股份有限公司 | Stirring tank main shaft supports fixing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5813768A (en) * | 1997-05-16 | 1998-09-29 | Thomson Industries, Inc. | Self-aligning bearing structure |
| CN2392038Y (en) * | 1998-12-02 | 2000-08-16 | 祁增荣 | Sealing device for ball mill main shaft |
| DE102005031593A1 (en) * | 2005-07-06 | 2007-01-11 | Schaeffler Kg | Seal for the bearing eye of a clamping system |
| CN2881197Y (en) * | 2006-03-21 | 2007-03-21 | 秦巧英 | Sliding bearing capable of compensating wearing gap |
| CN2916240Y (en) * | 2006-06-28 | 2007-06-27 | 哈尔滨电机厂有限责任公司 | Water-lubricating silicon carbide radial bearing |
| CN200958455Y (en) * | 2006-07-15 | 2007-10-10 | 湖南云箭集团有限公司 | Hydraulic-guiding tile and gland structure for hydraulic-guiding bearing |
-
2009
- 2009-07-07 CN CN2009101156529A patent/CN101592192B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742548A (en) * | 2013-12-31 | 2014-04-23 | 江苏南铸科技股份有限公司 | Guide shaft support |
| CN103742548B (en) * | 2013-12-31 | 2016-07-06 | 江苏南铸科技股份有限公司 | A kind of guide shaft support |
| CN104405768A (en) * | 2014-11-13 | 2015-03-11 | 重庆海山橡塑化工有限公司 | Rubber bearing |
| CN104358653A (en) * | 2014-11-27 | 2015-02-18 | 天津市天发重型水电设备制造有限公司 | Novel bearing and main shaft combined sealing structure |
| CN112295494A (en) * | 2020-10-20 | 2021-02-02 | 本钢板材股份有限公司 | Stirring tank main shaft supports fixing device |
| CN112295494B (en) * | 2020-10-20 | 2022-08-05 | 本钢板材股份有限公司 | Stirring tank main shaft supports fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101592192B (en) | 2010-09-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for compensating abrasion of rubber bearing bush Effective date of registration: 20171215 Granted publication date: 20100915 Pledgee: Jiangxi Lianhua rural commercial bank Limited by Share Ltd Pledgor: Jiangxi Lianhua Hydraulic Turbine Plant Registration number: 2017360000038 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191125 Granted publication date: 20100915 Pledgee: Jiangxi Lianhua rural commercial bank Limited by Share Ltd Pledgor: Jiangxi Lianhua Hydraulic Turbine Plant Registration number: 2017360000038 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |