CN105186763B - A kind of motor bearing structure - Google Patents
A kind of motor bearing structure Download PDFInfo
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- CN105186763B CN105186763B CN201510663454.1A CN201510663454A CN105186763B CN 105186763 B CN105186763 B CN 105186763B CN 201510663454 A CN201510663454 A CN 201510663454A CN 105186763 B CN105186763 B CN 105186763B
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- bearing
- end cap
- cylinder roller
- groove ball
- face
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Abstract
The present invention relates to a kind of motor bearing structures, including end cap, deep groove ball bearing, cylinder roller bearing, bearing cover, the inner hole of the end cap rear end is fixed in shaft, end cap front end is fixed on casing, the bearing cover is fixed on the front end of end cap, the inner cavity of bearing cover and end cap constitutes bearing chamber, and deep groove ball bearing, cylinder roller bearing are mounted in bearing chamber, and the deep groove ball bearing is connect with bearing chamber gap.Duplex bearing configuration of the present invention, and the first retaining ring is set before cylinder roller bearing to hold cylinder roller bearing, spring leaf and the second retaining ring are equipped between cylinder roller bearing and deep groove ball bearing duplex bearing to hold deep groove ball bearing, deep groove ball bearing holds second shaft shoulder on the inner face and shaft of end cap again, so that the axially loaded of machine shaft can many places distribution adjust, guarantee that axially loaded is steadily reliable, cylinder roller bearing bears radial force, makes that motor running is steady, with small vibration, noise is low, the service life is long.
Description
Technical field
The present invention relates to a kind of motor bearing structures.
Background technique
The bearing of motor is support member important between stator and rotor, for guaranteeing motor air gap uniformly and passing
The effects of passing load correctly selects and applies bearing to be the pith of motor designs.According to the different characteristics of motor,
The bearing selection of such as structure of itself, loadtype, working speed, bearing life, motor is also made a world of difference, and is only selected
Suitable bearing, the inherent characteristic of competence exertion bearing guarantee the reliability service of motor.Existing motor bearing structure is bent
Ball bearing and base bearing are directly equipped with, which has certain impact power in operation, and bearing is easy to damage, leads to motor
Operation is easy to appear problem.
Summary of the invention
Technical problem solved by the invention is to provide a kind of motor bearing structure, to solve in above-mentioned background technique
The shortcomings that.
Technical problem solved by the invention is realized using following technical scheme：
The present invention provides a kind of motor bearing structure, the end including being successively sleeved on different shaft shoulders corresponding position in shaft
The inner hole of lid, deep groove ball bearing, cylinder roller bearing, bearing cover, the end cap rear end is fixed in shaft, end cap front end
It is fixed on casing, the bearing cover is fixed on the front end of end cap, and the inner cavity composition bearing chamber of bearing cover and end cap is deep
Ditch ball bearing, cylinder roller bearing are mounted in bearing chamber, and the deep groove ball bearing is connect with bearing chamber gap, deep-groove ball axis
It holds and spring leaf and the second retaining ring is installed between cylinder roller bearing, spring leaf corresponds to the deep groove ball bearing and cylindrical roller
The outer ring of bearing, the first retaining ring correspond to the inner ring of the deep groove ball bearing and cylinder roller bearing, the front end of cylinder roller bearing
Equipped with the first retaining ring.
The outer peripheral surface of end cap of the present invention is equipped with a flange, the concave station cooperation on the rear end face and casing of flange,
The front end face of flange cooperates with the briquetting for being fixed on casing front end face.
The front end face of end cap of the present invention and the front end face of casing are concordant, and the front end of the front end face of end cap and casing
It is U-shaped U-type groove that the junction in face, which is equipped with a section, and the section of briquetting is character cut in bas-relief shape, and briquetting is mounted in U-type groove.
Briquetting of the present invention is fixed on casing by bolt and second packing ring.
Rotating shaft position corresponding to end cap of the present invention is equipped with felt collar oil sealing.
Rotating shaft position corresponding to bearing cover of the present invention is equipped with outside framework oil seal.
Bearing cover of the present invention is fixed on end cap by screw and the first washer, and bearing cover and end cap
Junction is equipped with the first O-ring.
The junction of end cap and casing of the present invention is equipped with the second O-ring.
Motor bearing structure installation method, specific step is as follows：
Bearing cover, cylinder roller bearing, deep groove ball bearing and end cap, and end cap are successively installed from front to back in shaft
Front end face it is concordant with the front end face of casing, and installed in the U-type groove of the front end face contact position of the front end face of end cap and casing
One section is the briquetting of character cut in bas-relief shape, while being located at the front end face of flange and the bottom surface of briquetting on the outer peripheral surface of front end on end cap and matching
Close, the concave station on flanged rear face and casing cooperates, and briquetting is fixed on casing by bolt, second packing ring, with to end cap into
Row axially position；Bearing cover is fixed on the front end of end cap, the inner cavity composition of bearing cover and end cap by screw, the first washer
Bearing chamber, cylinder roller bearing, deep groove ball bearing are mounted in bearing chamber；First retaining ring is mounted on front side of cylinder roller bearing,
For carrying out axially position and fixation to cylinder roller bearing, and the first retaining ring is corresponding with the inner ring of cylinder roller bearing, cylinder
Second retaining ring and spring leaf, the second retaining ring and cylinder roller bearing, deep-groove ball axis are installed between roller bearing and deep groove ball bearing
The inner ring held is corresponding, and spring leaf is corresponding with the outer ring of cylinder roller bearing, deep groove ball bearing；First shaft shoulder is mounted on the second retaining ring
Rear side, second shaft shoulder cooperation on the rear end face and shaft of deep groove ball bearing；In addition, end cap is located at corresponding to the inner hole of rear end
Rotating shaft position on felt collar oil sealing is installed, mounting framework oil sealing on rotating shaft position corresponding to bearing cover, and bearing cover with
The screw connection of end cap installs the first O-ring seal, the second O-ring seal of junction installation of end cap and casing, Jin Erti
High motor bearing structure sealing performance.
Advantage and beneficial effect：
The present invention is configured using cylinder roller bearing and deep groove ball bearing duplex bearing, and is arranged before cylinder roller bearing the
One retaining ring holds cylinder roller bearing, and spring leaf and second are equipped between cylinder roller bearing and deep groove ball bearing duplex bearing
Retaining ring holds deep groove ball bearing, and deep groove ball bearing holds second shaft shoulder on the inner face and shaft of end cap again, so that motor
The axially loaded of shaft can many places distribution adjust, and spring leaf can play shockproof buffer, and deep groove ball bearing configures and bearing chamber
Between be gap-matched, guarantee that axially loaded is steadily reliable, cylinder roller bearing bears radial force, keeps motor running flat
Surely, with small vibration, noise is low, the service life is long.The present invention is also sealed using outside framework oil seal, felt collar oil sealing, O-ring seal simultaneously,
Sealing performance is improved, it is safe and reliable to operation.
Detailed description of the invention
Fig. 1 is a kind of structure chart of embodiment of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Fig. 1 be a kind of embodiment of the invention structure chart, it include outside framework oil seal 1, the first retaining ring 2, bearing cover 3,
First O-ring seal 4, screw 5, the first washer 6, end cap 7, briquetting 8, bolt 9, second packing ring 10, the second O-ring seal 11,
Cylinder roller bearing 12, spring leaf 13, the second retaining ring 14, deep groove ball bearing 15, felt collar oil sealing 16, casing 17, shaft 18.In order to
Conveniently, it is described using the left end of shaft 18 in attached drawing 1 as front end in being described below.
What this motor bearing structure was mounted on machine shaft 18 stretches end, including is sequentially arranged in shaft 18 from front to back
Bearing cover 3, cylinder roller bearing 12, deep groove ball bearing 15, end cap 7.
Inner hole on end cap 7 positioned at rear end is fixed in shaft 18, and the front end face of end cap 7 and the front end face of casing 17 are flat
Together, and the front end face contact position of the front end face of end cap 7 and casing 17 is provided with a section as U-shaped U-type groove, is equipped in U-type groove
One section is the briquetting 8 of character cut in bas-relief shape, and the outer peripheral surface that front end is located on end cap 7 is equipped with flange 19, the rear end face and machine of flange 19
Concave station cooperation on shell 19, the front end face of flange 19 and the bottom surface of briquetting 8, briquetting 8 are solid by bolt 9 and second packing ring 10
It is scheduled on casing 17, end cap 7 is thus subjected to axially position.
Bearing cover 3 is fixed on the front end of end cap 7, the inner cavity of bearing cover 3 and end cap 7 by screw 5 and the first washer 6
Bearing chamber is constituted, cylinder roller bearing 12, deep groove ball bearing 15 are mounted in bearing chamber.
Cylinder roller bearing 12 carries out axially position and fixation by the first retaining ring 2, and the first retaining ring 2 is arranged in cylindrical roller
12 front side of bearing, and it is corresponding with the inner ring of cylinder roller bearing 12, it is equipped between cylinder roller bearing 12 and deep groove ball bearing 15
Second retaining ring 14 and spring leaf 13, the second retaining ring 14 is corresponding with the inner ring of cylinder roller bearing 12 and deep groove ball bearing 15, spring
Piece 13 is corresponding with the outer ring of cylinder roller bearing 12 and deep groove ball bearing 15.Rear side in shaft 18 positioned at second gear circle 14 is also set
There is first shaft shoulder 20.The rear end face of deep groove ball bearing 15 and second shaft shoulder 21 in shaft 18 cooperate.
End cap 7 is located at rotating shaft position corresponding to the inner hole of rear end equipped with felt collar oil sealing 16, corresponding to bearing cover 3
Rotating shaft position is equipped with outside framework oil seal 1, and bearing cover 3 and the screw connection of end cap 7 are equipped with the first O-ring seal 4, end cap 7
The second O-ring seal 11 is equipped with the junction of casing 17.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of motor bearing structure, which is characterized in that the end including being successively sleeved on different shaft shoulders corresponding position in shaft
The inner hole of lid, deep groove ball bearing, cylinder roller bearing, bearing cover, the end cap rear end is fixed in shaft, end cap front end
It is fixed on casing, the bearing cover is fixed on the front end of end cap, and the inner cavity composition bearing chamber of bearing cover and end cap is deep
Ditch ball bearing, cylinder roller bearing are mounted in bearing chamber, and the deep groove ball bearing is connect with bearing chamber gap, deep-groove ball axis
It holds and spring leaf and the second retaining ring is installed between cylinder roller bearing, spring leaf corresponds to the deep groove ball bearing and cylindrical roller
The outer ring of bearing, the first retaining ring correspond to the inner ring of the deep groove ball bearing and cylinder roller bearing, the front end of cylinder roller bearing
Equipped with the first retaining ring；The outer peripheral surface of the end cap is equipped with a flange, the concave station cooperation on the rear end face and casing of flange, convex
The front end face of edge cooperates with the briquetting for being fixed on casing front end face；The front end face of the end cap and the front end face of casing are concordant,
And it is U-shaped U-type groove that the junction of the front end face of the front end face and casing of end cap, which is equipped with a section, the section of briquetting is character cut in bas-relief
Shape, briquetting are mounted in U-type groove.
2. a kind of motor bearing structure according to claim 1, which is characterized in that the briquetting passes through bolt and the
Two washers are fixed on casing.
3. a kind of motor bearing structure according to claim 1, which is characterized in that shaft corresponding to the end cap
Position is equipped with felt collar oil sealing.
4. a kind of motor bearing structure according to claim 1, which is characterized in that corresponding to the bearing cover
Rotating shaft position is equipped with outside framework oil seal.
5. a kind of motor bearing structure according to claim 1, which is characterized in that the bearing cover passes through screw
It is fixed on end cap with the first washer, and the junction of bearing cover and end cap is equipped with the first O-ring.
6. a kind of motor bearing structure according to claim 1, which is characterized in that the connection of the end cap and casing
Place is equipped with the second O-ring.
7. motor bearing structure installation method, which is characterized in that specific step is as follows：
Bearing cover, cylinder roller bearing, deep groove ball bearing and end cap are successively installed from front to back in shaft, and before end cap
End face is concordant with the front end face of casing, and one section is installed in the U-type groove of the front end face contact position of the front end face of end cap and casing
Face is the briquetting of character cut in bas-relief shape, while the bottom surface of the front end face for the flange being located on the outer peripheral surface of front end on end cap and briquetting,
Concave station on flanged rear face and casing cooperates, and briquetting is fixed on casing by bolt, second packing ring, to carry out axis to end cap
To positioning；Bearing cover is fixed on the front end of end cap, the inner cavity composition bearing of bearing cover and end cap by screw, the first washer
Room, cylinder roller bearing, deep groove ball bearing are mounted in bearing chamber；First retaining ring is mounted on front side of cylinder roller bearing, is used for
Axially position and fixation are carried out to cylinder roller bearing, and the first retaining ring is corresponding with the inner ring of cylinder roller bearing, cylindrical roller
Second retaining ring and spring leaf be installed, the second retaining ring and cylinder roller bearing, deep groove ball bearing between bearing and deep groove ball bearing
Inner ring is corresponding, and spring leaf is corresponding with the outer ring of cylinder roller bearing, deep groove ball bearing；After first shaft shoulder is mounted on the second retaining ring
Side, second shaft shoulder cooperation on the rear end face and shaft of deep groove ball bearing；Turn in addition, end cap is located at corresponding to the inner hole of rear end
Felt collar oil sealing is installed on shaft position, mounting framework oil sealing on rotating shaft position corresponding to bearing cover, and bearing cover and end cap
Screw connection the first O-ring seal is installed, the second O-ring seal is installed in the junction of end cap and casing, and then improves electricity
Motivation bearing arrangement sealing performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663454.1A CN105186763B (en) | 2015-10-15 | 2015-10-15 | A kind of motor bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663454.1A CN105186763B (en) | 2015-10-15 | 2015-10-15 | A kind of motor bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105186763A CN105186763A (en) | 2015-12-23 |
| CN105186763B true CN105186763B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510663454.1A Active CN105186763B (en) | 2015-10-15 | 2015-10-15 | A kind of motor bearing structure |
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| Country | Link |
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| CN (1) | CN105186763B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016224670A1 (en) * | 2016-12-12 | 2018-06-14 | Aktiebolaget Skf | Bearing assembly for supporting a screw compressor rotor and method for mounting a screw compressor |
| CN108696037A (en) * | 2018-05-08 | 2018-10-23 | 中车永济电机有限公司 | A kind of traction electric machine positioning end dual bearing structure |
| CN111654152A (en) * | 2020-06-15 | 2020-09-11 | 博雅工道（北京）机器人科技有限公司 | Single-drive double-shaft motor and mechanical arm |
| CN115967219A (en) * | 2022-08-11 | 2023-04-14 | 河南豫通电机股份公司 | Multi-bearing mounting structure for vibrating motor |
| CN116952567A (en) * | 2023-08-24 | 2023-10-27 | 西南交通大学 | Fatigue test device and method for power closed gear rack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101764452A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | High-pressure motor bearing protective device |
| CN101867270A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Special high-voltage three-phase asynchronous motor for compressor |
| CN102723803A (en) * | 2012-06-26 | 2012-10-10 | 东方电气（乐山）新能源设备有限公司 | Novel wind driven generator bearing structure |
| CN205017151U (en) * | 2015-10-15 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
-
2015
- 2015-10-15 CN CN201510663454.1A patent/CN105186763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867270A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Special high-voltage three-phase asynchronous motor for compressor |
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101764452A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | High-pressure motor bearing protective device |
| CN102723803A (en) * | 2012-06-26 | 2012-10-10 | 东方电气（乐山）新能源设备有限公司 | Novel wind driven generator bearing structure |
| CN205017151U (en) * | 2015-10-15 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
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| Publication number | Publication date |
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| CN105186763A (en) | 2015-12-23 |
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