CN105186763A - Motor bearing structure - Google Patents
Motor bearing structure Download PDFInfo
- Publication number
- CN105186763A CN105186763A CN201510663454.1A CN201510663454A CN105186763A CN 105186763 A CN105186763 A CN 105186763A CN 201510663454 A CN201510663454 A CN 201510663454A CN 105186763 A CN105186763 A CN 105186763A
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- bearing
- end cap
- deep groove
- groove ball
- face
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Abstract
The invention relates to a motor bearing structure, and the structure comprises an end cover, a deep groove ball bearing, a cylindrical roller bearing, and a bearing outer cover. An inner hole of a rear end of the end cover is fixed on a rotating shaft, and the front end of the end cover is fixed on a motor case. The bearing outer cover is fixed at the front end of the end cover, and forms a bearing chamber along with an inner cavity of the end cover. The deep groove ball bearing and the cylindrical roller bearing are disposed in the bearing chamber, and the deep groove ball bearing is in gap connection with the bearing chamber. The structure is provided with two bearings, and a first check ring is disposed in front of the cylindrical roller bearing for holding the cylindrical roller bearing. A spring piece and a second check ring are disposed between the cylindrical roller bearing and the deep groove ball bearing for holding the deep groove ball bearing. The deep groove ball bearing holds an inner end face of the end cover and a second shaft shoulder on the rotating shaft, thereby enabling an axial force of the rotating shaft of the motor to be distributed and adjusted at a plurality of places, and guaranteeing the stable and reliable axial stress. The cylindrical roller bearing bears a radial force, thereby enabling the operation of the motor to be stable, enabling the vibration to be small, enabling the noise to be small, and enabling the service life to be long.
Description
Technical field
The present invention relates to a kind of motor bearing structure.
Background technology
The bearing of motor is support component important between stators and rotators, and be used for ensureing that motor air gap evenly and the effect such as transfer charge, correct choice and utilization bearing is the pith of motor designs.According to the different qualities of motor, as self structure, loadtype, working speed, bearing life etc., the bearing of motor is selected also to make a world of difference, and only has and selects suitable bearing, the inherent characteristic of competence exertion bearing, ensures the reliability service of motor.Existing motor bearing structure curve bearing and base bearing are directly equipped with, and this structure is in operation the power of having certain impact, and bearing is fragile, cause motor to run and easily go wrong.
Summary of the invention
Technical problem solved by the invention is to provide a kind of motor bearing structure, to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
The invention provides a kind of motor bearing structure, comprise the end cap being sleeved on different shaft shoulder relevant position in rotating shaft successively, deep groove ball bearing, cylinder roller bearing, bearing end cover, the endoporus of described end cap rear end is fixed in rotating shaft, end cap front end is fixed on casing, described bearing end cover is fixed on the front end of end cap, the inner chamber of bearing end cover and end cap forms bearing chamber, deep groove ball bearing, cylinder roller bearing is arranged in bearing chamber, described deep groove ball bearing and bearing chamber recessed bond ing, spring leaf and the first back-up ring are installed between deep groove ball bearing and cylinder roller bearing, the outer ring of the corresponding described deep groove ball bearing of spring leaf and cylinder roller bearing, the inner ring of the corresponding described deep groove ball bearing of the first back-up ring and cylinder roller bearing, the front end of cylinder roller bearing is provided with the second back-up ring.
The outer peripheral face of end cap of the present invention is provided with a flange, and the rear end face of flange coordinates with the concave station on casing, and the front end face of flange coordinates with the briquetting being fixed on casing front end face.
The front end face of end cap of the present invention is concordant with the front end face of casing, and the junction of the front end face of the front end face of end cap and casing is provided with a cross section is U-shaped U-type groove, and the cross section of briquetting is character cut in bas-relief shape, and briquetting is arranged in U-type groove.
Briquetting of the present invention is fixed on casing by bolt and the second packing ring.
Rotating shaft position corresponding to end cap of the present invention is provided with felt collar oil sealing.
Rotating shaft position corresponding to bearing end cover of the present invention is provided with outside framework oil seal.
Bearing end cover of the present invention is fixed on end cap by screw and the first packing ring, and the junction of bearing end cover and end cap is provided with an O type circle.
The junction of end cap of the present invention and casing is provided with the 2nd O type circle.
Motor bearing structure installation method, concrete steps are as follows:
Rotating shaft installs bearing end cover, cylinder roller bearing, deep groove ball bearing and end cap from front to back successively, and the front end face of end cap is concordant with the front end face of casing, and in the U-type groove of the front end face of end cap and the front end face contact position of casing, the briquetting that a cross section is character cut in bas-relief shape is installed, end cap is positioned at the front end face of the flange on the outer peripheral face of front end and the bottom surface of briquetting simultaneously, flanged rear face coordinates with the concave station on casing, briquetting is fixed on casing by bolt, the second packing ring, to carry out axial location to end cap; Bearing end cover is fixed on the front end of end cap by screw, the first packing ring, and the inner chamber of bearing end cover and end cap forms bearing chamber, and cylinder roller bearing, deep groove ball bearing are arranged in bearing chamber; First back-up ring is arranged on front side of cylinder roller bearing, for carrying out axial location to cylinder roller bearing and fixing, and the first back-up ring is corresponding with the inner ring of cylinder roller bearing, second back-up ring and spring leaf are installed between cylinder roller bearing and deep groove ball bearing, second back-up ring is corresponding with the inner ring of cylinder roller bearing, deep groove ball bearing, and spring leaf is corresponding with the outer ring of cylinder roller bearing, deep groove ball bearing; First shaft shoulder is arranged on the rear side of the second back-up ring, and the rear end face of deep groove ball bearing coordinates with second shaft shoulder in rotating shaft; In addition, the rotating shaft position corresponding to endoporus that end cap is positioned at rear end installs felt collar oil sealing, mounting framework oil sealing on rotating shaft position corresponding to bearing end cover, and an O RunddichtringO is installed in the screw junction of bearing end cover and end cap, the 2nd O RunddichtringO is installed in the junction of end cap and casing, and then improves motor bearing structure sealing property.
Advantage and beneficial effect:
The present invention adopts cylinder roller bearing and the configuration of deep groove ball bearing duplex bearing, and the first back-up ring is set before cylinder roller bearing to hold cylinder roller bearing, spring leaf and the second back-up ring is provided with to hold deep groove ball bearing between cylinder roller bearing and deep groove ball bearing duplex bearing, deep groove ball bearing holds again second shaft shoulder in the inner face of end cap and rotating shaft, make the axially loaded of machine shaft can distribute adjustment in many places, and spring leaf can play shockproof buffer effect, matched in clearance is adopted between deep groove ball bearing configuration and bearing chamber, ensure that axially loaded is steadily reliable, cylinder roller bearing bears radial load, make motor running steady, vibrate little, noise is low, life-span is long.The present invention simultaneously also adopts outside framework oil seal, felt collar oil sealing, O RunddichtringO to seal, and improves sealing property, safe and reliable to operation.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of embodiment of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Fig. 1 is the structure chart of a kind of embodiment of the present invention, and it comprises outside framework oil seal 1, first back-up ring 2, bearing end cover 3, an O RunddichtringO 4, screw 5, first packing ring 6, end cap 7, briquetting 8, bolt 9, second packing ring 10, the 2nd O RunddichtringO 11, cylinder roller bearing 12, spring leaf 13, second back-up ring 14, deep groove ball bearing 15, felt collar oil sealing 16, casing 17, rotating shaft 18.Conveniently, below describe in the left end of accompanying drawing 1 shaft 18 for front end is described.
What this motor bearing structure was arranged on machine shaft 18 stretches end, comprises the bearing end cover 3 be arranged on successively from front to back in rotating shaft 18, cylinder roller bearing 12, deep groove ball bearing 15, end cap 7.
Endoporus end cap 7 being positioned at rear end is fixed in rotating shaft 18, the front end face of end cap 7 is concordant with the front end face of casing 17, and the front end face contact position of the front end face of end cap 7 and casing 17 has a cross section is U-shaped U-type groove, the briquetting 8 that one cross section is character cut in bas-relief shape is installed in U-type groove, outer peripheral face end cap 7 being positioned at front end is provided with flange 19, the rear end face of flange 19 coordinates with the concave station on casing 19, the front end face of flange 19 and the bottom surface of briquetting 8, briquetting 8 is fixed on casing 17 by bolt 9 and the second packing ring 10, thus end cap 7 is carried out axial location.
Bearing end cover 3 is fixed on the front end of end cap 7 by screw 5 and the first packing ring 6, and bearing end cover 3 constitutes bearing chamber with the inner chamber of end cap 7, and cylinder roller bearing 12, deep groove ball bearing 15 are arranged in bearing chamber.
Cylinder roller bearing 12 carries out axial location by the first back-up ring 2 and fixes, first back-up ring 2 is arranged on front side of cylinder roller bearing 12, and it is corresponding with the inner ring of cylinder roller bearing 12, the second back-up ring 14 and spring leaf 13 is provided with between cylinder roller bearing 12 and deep groove ball bearing 15, second back-up ring 14 is corresponding with the inner ring of cylinder roller bearing 12 and deep groove ball bearing 15, and spring leaf 13 is corresponding with the outer ring of cylinder roller bearing 12 and deep groove ball bearing 15.Rear side rotating shaft 18 being positioned at second gear circle 14 is also provided with first shaft shoulder 20.The rear end face of deep groove ball bearing 15 coordinates with second shaft shoulder 21 in rotating shaft 18.
The rotating shaft position corresponding to endoporus that end cap 7 is positioned at rear end is provided with felt collar oil sealing 16, rotating shaft position corresponding to bearing end cover 3 is provided with outside framework oil seal 1, bearing end cover 3 is provided with an O RunddichtringO 4 with the screw junction of end cap 7, and end cap 7 is provided with the 2nd O RunddichtringO 11 with the junction of casing 17.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (9)
1. a motor bearing structure, it is characterized in that, comprise the end cap being sleeved on different shaft shoulder relevant position in rotating shaft successively, deep groove ball bearing, cylinder roller bearing, bearing end cover, the endoporus of described end cap rear end is fixed in rotating shaft, end cap front end is fixed on casing, described bearing end cover is fixed on the front end of end cap, the inner chamber of bearing end cover and end cap forms bearing chamber, deep groove ball bearing, cylinder roller bearing is arranged in bearing chamber, described deep groove ball bearing and bearing chamber recessed bond ing, spring leaf and the first back-up ring are installed between deep groove ball bearing and cylinder roller bearing, the outer ring of the corresponding described deep groove ball bearing of spring leaf and cylinder roller bearing, the inner ring of the corresponding described deep groove ball bearing of the first back-up ring and cylinder roller bearing, the front end of cylinder roller bearing is provided with the second back-up ring.
2. a kind of motor bearing structure according to claim 1, is characterized in that, the outer peripheral face of described end cap is provided with a flange, and the rear end face of flange coordinates with the concave station on casing, and the front end face of flange coordinates with the briquetting being fixed on casing front end face.
3. a kind of motor bearing structure according to claim 2, it is characterized in that, the front end face of described end cap is concordant with the front end face of casing, and the junction of the front end face of the front end face of end cap and casing is provided with a cross section is U-shaped U-type groove, the cross section of briquetting is character cut in bas-relief shape, and briquetting is arranged in U-type groove.
4. a kind of motor bearing structure according to claim 2, is characterized in that, described briquetting is fixed on casing by bolt and the second packing ring.
5. a kind of motor bearing structure according to claim 1, is characterized in that, the rotating shaft position corresponding to described end cap is provided with felt collar oil sealing.
6. a kind of motor bearing structure according to claim 1, is characterized in that, the rotating shaft position corresponding to described bearing end cover is provided with outside framework oil seal.
7. a kind of motor bearing structure according to claim 1, is characterized in that, described bearing end cover is fixed on end cap by screw and the first packing ring, and the junction of bearing end cover and end cap is provided with an O type circle.
8. a kind of motor bearing structure according to claim 1, is characterized in that, described end cap and the junction of casing are provided with the 2nd O type circle.
9. motor bearing structure installation method, is characterized in that, concrete steps are as follows:
Rotating shaft installs bearing end cover, cylinder roller bearing, deep groove ball bearing and end cap from front to back successively, and the front end face of end cap is concordant with the front end face of casing, and in the U-type groove of the front end face of end cap and the front end face contact position of casing, the briquetting that a cross section is character cut in bas-relief shape is installed, end cap is positioned at the front end face of the flange on the outer peripheral face of front end and the bottom surface of briquetting simultaneously, flanged rear face coordinates with the concave station on casing, briquetting is fixed on casing by bolt, the second packing ring, to carry out axial location to end cap; Bearing end cover is fixed on the front end of end cap by screw, the first packing ring, and the inner chamber of bearing end cover and end cap forms bearing chamber, and cylinder roller bearing, deep groove ball bearing are arranged in bearing chamber; First back-up ring is arranged on front side of cylinder roller bearing, for carrying out axial location to cylinder roller bearing and fixing, and the first back-up ring is corresponding with the inner ring of cylinder roller bearing, second back-up ring and spring leaf are installed between cylinder roller bearing and deep groove ball bearing, second back-up ring is corresponding with the inner ring of cylinder roller bearing, deep groove ball bearing, and spring leaf is corresponding with the outer ring of cylinder roller bearing, deep groove ball bearing; First shaft shoulder is arranged on the rear side of the second back-up ring, and the rear end face of deep groove ball bearing coordinates with second shaft shoulder in rotating shaft; In addition, the rotating shaft position corresponding to endoporus that end cap is positioned at rear end installs felt collar oil sealing, mounting framework oil sealing on rotating shaft position corresponding to bearing end cover, and an O RunddichtringO is installed in the screw junction of bearing end cover and end cap, the 2nd O RunddichtringO is installed in the junction of end cap and casing, and then improves motor bearing structure sealing property.
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 |
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| CN105186763A true CN105186763A (en) | 2015-12-23 |
| CN105186763B 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223379A (en) * | 2016-12-12 | 2018-06-29 | 斯凯孚公司 | The bearing group of studdle formula compressor drum and the assembly method of compressor |
| WO2019214189A1 (en) * | 2018-05-08 | 2019-11-14 | 中车永济电机有限公司 | Double-bearing structure for positioning end of traction motor |
| 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 |
| CN115967219B (en) * | 2022-08-11 | 2024-04-23 | 河南豫通电机股份公司 | Multi-bearing mounting structure for vibration motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101764452A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | High-pressure motor bearing protective device |
| 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 |
| 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 |
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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 |
| CN101764452A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | High-pressure motor bearing protective device |
| 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 |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223379A (en) * | 2016-12-12 | 2018-06-29 | 斯凯孚公司 | The bearing group of studdle formula compressor drum and the assembly method of compressor |
| WO2019214189A1 (en) * | 2018-05-08 | 2019-11-14 | 中车永济电机有限公司 | Double-bearing structure for positioning end of traction motor |
| 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 |
| CN115967219B (en) * | 2022-08-11 | 2024-04-23 | 河南豫通电机股份公司 | Multi-bearing mounting structure for vibration 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105186763B (en) | 2018-11-27 |
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