CN102820750B - High-speed motor end cover type sliding bearing assembly method - Google Patents
High-speed motor end cover type sliding bearing assembly method Download PDFInfo
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- CN102820750B CN102820750B CN201210317829.5A CN201210317829A CN102820750B CN 102820750 B CN102820750 B CN 102820750B CN 201210317829 A CN201210317829 A CN 201210317829A CN 102820750 B CN102820750 B CN 102820750B
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Abstract
The invention discloses a high-speed motor end cover type sliding bearing assembly method. The method comprises the steps that a lower bearing base and an end cover mounting seam are in running-in, a bearing bush and a bearing bush base, and the bearing bush and a shaft are in double-surface running-in, and the magnitude of interference between the bearing base and the bearing bush can be measured by using a equal-altitude filler gauge and is adjusted, so that the bearing base is installed by using a sliding method, the bearing bush is installed by utilizing an oil lubricating method, the position of the bearing bush in the bearing seat can be adjusted by utilizing a tray rotating and center adjusting method, an upper bearing base and the lower bearing base can be positioned and fastened, and other parts are installed in position. According to the method, the occurrence times of undesired effects that when a high-speed motor is operated, the sliding bearing is high in temperature and subjected to bush burning and vibrates and the like can be reduced and even can be avoided, and the whole assembly quality of the motor end cover type sliding bearing can be promoted.
Description
Technical field
The present invention relates to the assembly method of sliding bearing, be specifically related to a kind of assembly method of end cover type sliding bearing for high-speed motor.
Background technology
End cover type sliding bearing is mainly used in big-and-middle-sized high-speed electric expreess locomotive, and its service behaviour and assembly quality directly affect performance and the useful life of high-speed electric expreess locomotive.Electric motor end cap formula sliding bearing generally adopts split mechanism, the bearing pedestal that is sliding bearing comprises the bearing seat of honour and bearing base, and the bearing shell of sliding bearing comprises lower watt of axle on watt and axle, and this split plain bearing mounting or dismounting are convenient, the gap of bearing shell and axle can be adjusted, and its application is comparatively extensive.The performance factor of General Influence end cover type sliding bearing is mainly variations in temperature, adopt the produced high-speed slide bearing of traditional assembly method in the time that motor moves, because motor speed is too high, easily occur that bearing temperature is high, the bad phenomenon such as tile kilning, vibration are large, prior art has the cooling recirculation system of employing and makes bearing cooling at end cap arranged outside bar shaped fin, these are mainly structure, above-mentioned shortcoming to be improved, and do not improve from assembly technology.
Summary of the invention
The applicant improves for above-mentioned shortcoming of the prior art, a kind of end cover type sliding bearing for high-speed motor assembly method is provided, its can effectively reduce even avoid that in the time that high-speed electric expreess locomotive moves sliding bearing temperature is high, the appearance of the bad phenomenon such as tile kilning, vibration are large, promoted the overall assembly quality of electric motor end cap formula sliding bearing.
Technical scheme of the present invention is as follows:
End cover type sliding bearing for high-speed motor assembly method, it comprises following steps:
A, bearing base and end cap are installed to seam facing-up;
B, axle on watt and the bearing seat of honour, rotating shaft are carried out to facing-up, carry out facing-up by lower axle watt with bearing base, rotating shaft;
C, lower axle watt is packed in bearing base, installation shaft on watt, by the bearing seat of honour and bearing base zoarium, measures the magnitude of interference between described bearing shell and described bearing pedestal, and carries out magnitude of interference adjustment;
D, the bearing seat of honour and bearing base are disintegrated, by sliding scale, bearing base is installed, lift by bearing base or sling after by its left-hand thread to rotating shaft, described installation seam on described installation seam and the end cap of bearing base aligns, lower of sliding bearing, is installed to described in end cap relevant position on seam by bearing base; By lower watt of oil lubrication method installation shaft, moderate lubrication oil is smeared at the back side under axle watt, and lower watt of axle is installed in bearing base smoothly; Installation shaft on watt and the bearing seat of honour again;
E, use dish modulation heart method are adjusted the position of described bearing shell in described bearing pedestal, on the spindle nose of rotating shaft, screw are installed, and prize screw and make rotating shaft rotation, adjust the position of described bearing shell in described bearing pedestal;
F, by urgent the bearing seat of honour and bearing base location and be fastenedly connected, other parts are in place.
Its further technical scheme is:
This step of the magnitude of interference between the described bearing shell of measurement and described bearing pedestal in described C step, adopts contour clearance gauge method to measure the described magnitude of interference;
In described D step, before bearing base being installed with sliding scale, on the bearing guard of rotating shaft, place in advance soft silicon rubber slab;
Installation shaft on watt in described D step and this step at the bearing seat of honour, require to install and lock shaft on watt, installs but do not lock the bearing seat of honour.
Technique effect of the present invention:
The present invention, by by end cap and bearing base facing-up, makes end cap and bearing pedestal that seam contact area is installed and increases, and can strengthen stability and the rigidity of bearing pedestal, reduces the vibration of bearing; By bearing shell and bush seat, bearing shell and axle are carried out to facing-up, can improve the distribution of lubricating oil film, improve the lubrication property of bearing, thereby reduce the possibility of Bearing Segment Burning, and reduce the vibration of bearing; By the adjustment of the magnitude of interference between bearing shell and bearing pedestal, can reduce the vibration of bearing; By sliding scale installation shaft bearing, can avoid bearing pedestal to install not in place; By oil lubrication method, bearing shell is installed, easy to operate and do not damage bush seat insulating barrier; Turn centralizing method by dish and adjust the position of bearing shell in bearing pedestal, can reduce the possibility of Bearing Segment Burning, reduce the vibration of bearing.
Brief description of the drawings
Fig. 1 is the half sectional view of mounting structure of the present invention.
Fig. 2 is the internal structure schematic diagram of described electric motor end cap formula sliding bearing.
Fig. 3 is the flow chart of assembly method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Fig. 3 is the flow chart of assembly method of the present invention, in conjunction with the mounting structure of the electric motor end cap formula sliding bearing shown in Fig. 1, Fig. 2, be that described electric motor end cap formula sliding bearing is Split type structure, the bearing pedestal of described sliding bearing comprises the bearing seat of honour 3 and bearing base 2, the bearing shell of described sliding bearing comprises lower watt 6, axle on watt 4 and axle, and assembly method of the present invention comprises following steps:
A, bearing base 2 and end cap 5 are installed to seam facing-up;
B, axle on watt 4 and the bearing seat of honour 3, rotating shaft 1 are carried out to facing-up, carry out facing-up by lower axle watt 6 with bearing base 2, rotating shaft 1;
C, lower axle watt 6 is packed in bearing base 2, installation shaft on watt 4, by the bearing seat of honour 3 and bearing base 2 zoariums, measures the magnitude of interference between described bearing shell and described bearing pedestal, and carries out magnitude of interference adjustment;
D, the bearing seat of honour 3 and bearing base 2 are disintegrated, by sliding scale, bearing base 2 is installed, lift by bearing base 2 or sling after by its left-hand thread to rotating shaft 1, described installation seam on described installation seam and the end cap 5 of bearing base 2 aligns, lower 2, sliding bearing, is installed to described in end cap 5 relevant position on seam by bearing base 2; By lower watt 6 of oil lubrication method installation shaft, under axle, moderate lubrication oil is smeared at watts 6 the back side, and axle is installed to for lower watt 6 in bearing base 2 smoothly; Installation shaft on watt 4 and the bearing seat of honour 3 again;
E, use dish modulation heart method are adjusted the position of described bearing shell in described bearing pedestal, on the spindle nose of rotating shaft 1, screw are installed, and prize screw rotating shaft 1 is rotated, and adjust the position of described bearing shell in described bearing pedestal;
F, the bearing seat of honour 3 and bearing base 2 are located urgent and be fastenedly connected, other parts are in place.
Particularly, in A step, bearing base 2 and end cap 5 are installed to seam facing-up, end cap 5 and the installation seam contact area of bearing base 2 are increased, can strengthen stability and the rigidity of described bearing pedestal, reduce the vibration of bearing;
In B step, by axle on watt 4 and the bearing seat of honour 3, rotating shaft 1 are carried out to facing-up, carry out facing-up by lower axle watt 6 with bearing base 2, rotating shaft 1, can improve the distribution of lubricating oil film, improve the lubrication property of bearing, thereby reduce the possibility of Bearing Segment Burning, and reduce the vibration of bearing;
In C step, adopt contour clearance gauge method to measure the magnitude of interference between described bearing shell and described bearing pedestal, disintegrate by the bearing seat of honour 3 and bearing base 2, lower axle watt 6 is packed in bearing base 2, a clearance gauge is placed respectively in the position at four angles on bearing base 2 amalgamation faces, and guarantee that four clearance gauges are contour, then between axle on watt 4 and the bearing seat of honour 3, put into a galvanized wire, installation shaft on watt 4 and the bearing seat of honour 3, and lower watt 6, lock shaft on watt 4 and axle, locking action makes the thickness of described galvanized wire have certain variation, again axle on watt 4 and the bearing seat of honour 3 are dismantled, take out described galvanized wire, and the thickness of described galvanized wire is measured, by the magnitude of interference described in the outcome measurement of measuring.And need to adjust the situation of the described magnitude of interference, mainly refer to the situation that the magnitude of interference is too small, now, can be by in-migration under the center of bearing base 2 be adjusted to the described magnitude of interference.By the adjustment of the magnitude of interference, can reduce the vibration of bearing;
In D step, by sliding scale, bearing base 2 is installed, on the bearing guard of rotating shaft 1, first place one of soft silicon rubber slab, can make bearing base 2 be in place by described sliding scale, and avoid the bearing guard of rotating shaft 1 to sustain damage; By lower watt 6 of described oil lubrication method installation shaft, it is easy to operate and do not damage the insulating barrier of described bearing pedestal; When installation shaft on watt 4 and the bearing seat of honour 3, require to install and lock shaft on watt 4, install but do not lock the bearing seat of honour 3;
In E step, turn centralizing method by described dish and adjust the position of described bearing shell in described bearing pedestal, can reduce the possibility of Bearing Segment Burning, reduce the vibration of bearing;
In F step, by using bolt tight between the bearing seat of honour 3 and bearing base 2, urgent with alignment pin, other parts are in place.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of amendment.
Claims (4)
1. end cover type sliding bearing for high-speed motor assembly method, is characterized in that, comprises following steps:
A, bearing base (2) and end cap (5) are installed to seam facing-up;
B, axle on watt (4) and the bearing seat of honour (3), rotating shaft (1) are carried out to facing-up, lower axle watt (6) and bearing base (2), rotating shaft (1) are carried out to facing-up;
C, lower axle watt (6) are packed in bearing base (2), installation shaft on watt (4), by the bearing seat of honour (3) and bearing base (2) zoarium, measures the magnitude of interference between described bearing shell and described bearing pedestal, and carries out magnitude of interference adjustment;
D, the bearing seat of honour (3) and bearing base (2) are disintegrated, by sliding scale, bearing base (2) is installed, lift by bearing base (2) or sling after by its left-hand thread in rotating shaft (1), described installation seam on described installation seam and the end cap (5) of bearing base (2) aligns, lower of sliding bearing (2), is installed to relevant position on the described seam of end cap (5) by bearing base (2); By lower watt of oil lubrication method installation shaft (6), under axle, moderate lubrication oil is smeared at the back side of watt (6), and axle lower watt (6) is installed in bearing base (2) smoothly; Installation shaft on watt (4) and the bearing seat of honour (3) again;
E, use dish modulation heart method are adjusted the position of described bearing shell in described bearing pedestal, on the spindle nose of rotating shaft (1), screw are installed, and prize screw and make rotating shaft (1) rotation, adjust the position of described bearing shell in described bearing pedestal;
F, the bearing seat of honour (3) and bearing base (2) are located urgent and be fastenedly connected, other parts are in place.
2. by end cover type sliding bearing for high-speed motor assembly method claimed in claim 1, it is characterized in that: this step of the magnitude of interference between the described bearing shell of measurement and described bearing pedestal in described C step, adopt contour clearance gauge method to measure the described magnitude of interference, disintegrate by the bearing seat of honour (3) and bearing base (2), lower axle watt (6) are packed in bearing base (2), a clearance gauge is placed respectively in the position at four angles on bearing base (2) amalgamation face, and guarantee that four clearance gauges are contour, then between axle on watt (4) and the bearing seat of honour (3), put into a galvanized wire, installation shaft on watt (4) and the bearing seat of honour (3), and lock shaft on watt (4) and lower watt of axle (6), locking action makes the thickness of described galvanized wire have certain variation, again by axle on watt (4) and the bearing seat of honour (3) dismounting, take out described galvanized wire, and the thickness of described galvanized wire is measured, by the magnitude of interference described in the outcome measurement of measuring.
3. by end cover type sliding bearing for high-speed motor assembly method claimed in claim 1, it is characterized in that: in described D step, bearing base (2) is being installed before with sliding scale, on the bearing guard of rotating shaft (1), is being placed in advance soft silicon rubber slab.
4. by end cover type sliding bearing for high-speed motor assembly method claimed in claim 1, it is characterized in that: the installation shaft on watt (4) in described D step and this step of the bearing seat of honour (3), require to install and lock shaft on watt (4), install but do not lock the bearing seat of honour (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317829.5A CN102820750B (en) | 2012-08-31 | 2012-08-31 | High-speed motor end cover type sliding bearing assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317829.5A CN102820750B (en) | 2012-08-31 | 2012-08-31 | High-speed motor end cover type sliding bearing assembly method |
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| CN102820750A CN102820750A (en) | 2012-12-12 |
| CN102820750B true CN102820750B (en) | 2014-06-11 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103016544B (en) * | 2012-12-29 | 2016-08-17 | 湖南崇德工业科技有限公司 | For regulating Universal plug and making, the installation method in sliding bearing gap |
| CN104283379A (en) * | 2013-11-12 | 2015-01-14 | 西安励致科技有限公司 | Assembling method for weight loading bearings of precision motor and drive mechanism |
| CN104038001A (en) * | 2014-07-02 | 2014-09-10 | 南车戚墅堰机车有限公司 | Traction motor end cover bearing press-fitting tool |
| CN104949601B (en) * | 2015-07-15 | 2017-11-07 | 南车株洲电机有限公司 | A kind of motor bearings fit-up gap detection method and device |
| CN106059211A (en) * | 2016-07-12 | 2016-10-26 | 贵州大学 | Method for mounting needle bearing on four-wheel-driven power divider motor casing |
| CN108438507A (en) * | 2018-05-17 | 2018-08-24 | 哈尔滨电气动力装备有限公司 | Motor slip bearing protects watt device |
| CN109510379B (en) * | 2018-11-26 | 2023-11-17 | 歌尔股份有限公司 | Motor |
| CN112660199B (en) * | 2020-12-25 | 2024-02-06 | 中车永济电机有限公司 | Data storage and early warning method for monitoring bearing state of rail transit traction motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201218112Y (en) * | 2008-07-08 | 2009-04-08 | 哈尔滨电机厂有限责任公司 | Air-cooling turbine generator bearing |
| KR101063341B1 (en) * | 2010-06-18 | 2011-09-07 | 주식회사 삼홍사 | Motor and method of manufacturing the same |
| CN201913547U (en) * | 2010-11-02 | 2011-08-03 | 云南合信源机床有限责任公司 | Novel main shaft system of grinding machine |
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