CN205017151U - Motor bearing structure - Google Patents
Motor bearing structure Download PDFInfo
- Publication number
- CN205017151U CN205017151U CN201520795450.4U CN201520795450U CN205017151U CN 205017151 U CN205017151 U CN 205017151U CN 201520795450 U CN201520795450 U CN 201520795450U CN 205017151 U CN205017151 U CN 205017151U
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- CN
- China
- Prior art keywords
- bearing
- deep groove
- groove ball
- end cap
- face
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a motor bearing structure, including end cover, deep groove ball bearing, cylindrical roller bearing, bearing enclosing cover, the hole of end cover rear end fix in the pivot, the end cover front end is fixed on the casing, the bearing enclosing cover fix the front end at the end cover, the bearing enclosing cover constitutes the bearing room with the inner chamber of end cover, deep groove ball bearing, cylindrical roller bearing are installed at the bearing indoorly, deep groove ball bearing and bearing room gap junction. The utility model discloses the duplex bearing configuration, and set up first retaining ring hold the cylindrical roller bearing before the cylindrical roller bearing, be equipped with the spring leaf and deep groove ball bearing is held to the second retaining ring between cylindrical roller bearing and deep groove ball bearing duplex bearing, deep groove ball bearing holds the interior terminal surface and the epaxial second shaft shoulder of commentaries on classics of end cover again, make motor shaft's a lot of punishment auxiliary tone festival of axial atress, guarantee that the axial atress is steady reliable, the cylindrical roller bearing bears the radial force, messenger's motor operates steadily, vibrate for a short time, stable running and low noise, and service lifetime is long.
Description
Technical field
The utility model 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.
Utility model content
The technical problem that the utility model solves is to provide a kind of motor bearing structure, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
The utility model 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 described in the utility model 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 described in the utility model 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 described in the utility model is fixed on casing by bolt and the second packing ring.
Rotating shaft position corresponding to end cap described in the utility model is provided with felt collar oil sealing.
Rotating shaft position corresponding to bearing end cover described in the utility model is provided with outside framework oil seal.
Bearing end cover described in the utility model 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 described in the utility model 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 utility model 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 utility model also adopts outside framework oil seal, felt collar oil sealing, O RunddichtringO to seal simultaneously, 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 utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Fig. 1 is the structure chart of a kind of embodiment of the present utility model, 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 utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795450.4U CN205017151U (en) | 2015-10-15 | 2015-10-15 | Motor bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520795450.4U CN205017151U (en) | 2015-10-15 | 2015-10-15 | Motor bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017151U true CN205017151U (en) | 2016-02-03 |
Family
ID=55215733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520795450.4U Withdrawn - After Issue CN205017151U (en) | 2015-10-15 | 2015-10-15 | Motor bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| CN117595559A (en) * | 2024-01-18 | 2024-02-23 | 沈阳电机制造有限公司 | Large-sized high-voltage three-phase synchronous motor |
-
2015
- 2015-10-15 CN CN201520795450.4U patent/CN205017151U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| CN105186763B (en) * | 2015-10-15 | 2018-11-27 | 苏州萨伯工业设计有限公司 | A kind of motor bearing structure |
| CN117595559A (en) * | 2024-01-18 | 2024-02-23 | 沈阳电机制造有限公司 | Large-sized high-voltage three-phase synchronous motor |
| CN117595559B (en) * | 2024-01-18 | 2024-03-29 | 沈阳电机制造有限公司 | Large-sized high-voltage three-phase synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20181127 |
|
| AV01 | Patent right actively abandoned |