CN201629628U - Device for eliminating noise of bearing - Google Patents
Device for eliminating noise of bearing Download PDFInfo
- Publication number
- CN201629628U CN201629628U CN2010201098216U CN201020109821U CN201629628U CN 201629628 U CN201629628 U CN 201629628U CN 2010201098216 U CN2010201098216 U CN 2010201098216U CN 201020109821 U CN201020109821 U CN 201020109821U CN 201629628 U CN201629628 U CN 201629628U
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- CN
- China
- Prior art keywords
- bearing
- external fixation
- rotating shaft
- end cap
- steel ball
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a device for eliminating noise of a bearing, which comprises a rotating shaft, a bearing and end covers, wherein the bearing is sleeved on the rotating shaft, the end covers are arranged on the two sides of the bearing, the end covers and the rotating shaft are commonly enclosed to form a sealed cavity for packing the bearing, the bearing comprises an inner motion ring, a steel ball and an outer fixing ring, and an elastic piece which is arranged between the outer fixing ring and the end covers is arranged in the sealed cavity. The elastic piece applies pre-pressure to the bearing, when the steel ball generates high speed circular motion, the opportunities of collision between the steel ball and the outer fixing ring and an inner fixing ring can be reduced, thereby eliminating the noise which is sent by the bearing because of high frequency collision of the steel ball.
Description
Technical field
The utility model relates to electrical generator fields, in particular for eliminating the device of generator amature bearing noise.
Background technology
In the generator of prior art, in generator unit stator, the effect of bearing makes setting position be fixed on the one hand by Bearing Installation in the rotating shaft of generator amature, can make the rotor rotation of friction as much as possible on the other hand again.Because generator amature is in the high speed rotating state in the real work midium or long term, makes bearing in the rotating shaft also follow rotating shaft and do high speed rotating.General bearing comprises interior motion ring, steel ball, external fixation ring, interior motion ring set is fixed in rotating shaft and with rotating shaft, between interior motion ring and the outward transport rotating ring is steel ball, because steel ball is movable between interior motion ring and external fixation ring, in the bearing high speed rotating, steel ball also is in the high speed rotating state, and steel ball is motion ring or the collision of external fixation ring internally, and this high-frequency collision makes and can send ear-piercing sound by bearing.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of elimination bearing noise device, can eliminate the noise that the generator amature bearing sends when high speed rotating.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of elimination bearing noise device, comprise rotating shaft, be enclosed within the bearing in the rotating shaft, be positioned at the bearing end covers at two sides, described end cap, rotating shaft surround the enclosed cavity of parcel bearing jointly, and described bearing comprises interior motion ring, steel ball, external fixation ring; Between external fixation ring and end cap, be provided with elastic component in the described enclosed cavity.Increased elastic component between bearing and the end cap, elastic component is subjected to a precompression and is in contraction state, and elastic component generation elastic deformation is also exerted pressure to the external fixation ring and the end cap of bearing, and this pressure has limited the motion of moving towards of bearing to a certain extent.Under the normal condition, generator amature is in high speed rotating, drive lower bearing at rotor also is in high speed rotating, owing to be provided with certain interval between interior motion ring and the external fixation ring, in the bearing high speed rotating, steel ball is done circular motion at a high speed, under the extruding force of elastic component, make the external fixation ring of bearing that axial skew must not take place, thereby limited the offset of steel ball, steel ball reduces the chance that collision is given birth in steel ball and external fixation ring and interior motion environment-development when the high speed circular motion, thus the noise that the collision of elimination bearing invar pearl high frequency is sent.
As improvement, between external fixation ring and two end caps, be equipped with elastic component in the described enclosed cavity.
As improvement, described elastic component is a spring, described spring one end and external fixation loop contacts, and the other end contacts with end cap.
As further improvement, described end cap madial wall is provided with installing hole, and described spring is located in the installing hole.
As improvement, described elastic component is a spring pad, described spring pad one end and external fixation loop contacts, and the other end contacts with end cap.
The beneficial effect that the utility model is compared with prior art brought is:
Between external fixation ring and end cap, be provided with elastic component in the enclosed cavity, make bearing when high speed rotating takes place, make the external fixation ring of bearing that axial skew must not take place, thereby limited the offset of steel ball, steel ball is when the high speed circular motion, reduce steel ball and external fixation ring and interior motion environment-development and give birth to the chance of collision, thus the noise that the collision of elimination bearing invar pearl high frequency is sent.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is embodiment 2 structural representations.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of elimination bearing noise device comprises rotating shaft 7, is enclosed within the bearing 1 in the rotating shaft 7, is positioned at the left end cap 3 and the right end cap 6 of bearing 1 both sides.Described left end cap 3, right end cap 6, rotating shaft 7 surround the enclosed cavity 10 of parcel bearing 1 jointly.Motion ring 2, steel ball 5, external fixation ring 4 in described bearing 1 comprises, described in motion ring 2 be enclosed within the rotating shaft 7 and with rotating shaft 7 motions.As shown in Figure 2, described right end cap 6 madial walls are provided with installing hole 9, between external fixation ring 4 and right end cap 6, be provided with elastic component in the described enclosed cavity 10, described elastic component is a spring 8, described spring 8 is located in the installing hole 9, and spring 8 one ends contact with external fixation ring 4, and the other end contacts with right end cap 6, and bearing 1 external fixation ring 4 other ends contact with left end cap 3.Spring 8 is subjected to a precompression and is in contraction state, and elastic component generation elastic deformation is also exerted pressure to the external fixation ring 4 and the right end cap 6 of bearing 1, and this pressure has limited the motion of moving towards of bearing 1 to a certain extent.Under the normal condition, generator amature is in high speed rotating, drive lower bearing 1 at rotor also is in high speed rotating, owing to be provided with certain interval between interior motion ring 2 and the external fixation ring 4, in bearing 1 high speed rotating, steel ball 5 is done circular motion at a high speed, under the extruding force of elastic component, make the external fixation ring 4 of bearing 1 that axial skew must not take place, thereby limited the offset of steel ball 5, steel ball 5 reduces the chance that steel ball 5 and external fixation ring 4 and interior motion ring 2 bump when the high speed circular motion, thus the noise that the collision of elimination bearing 1 invar pearl 5 high frequencies is sent.
As shown in Figure 3, a kind of elimination bearing noise device comprises rotating shaft 7, is enclosed within the bearing 1 in the rotating shaft 7, is positioned at the left end cap 3 and the right end cap 6 of bearing 1 both sides.Described left end cap 3, right end cap 6, rotating shaft 7 surround the enclosed cavity 10 of parcel bearing 1 jointly.Motion ring 2, steel ball 5, external fixation ring 4 in described bearing 1 comprises, described in motion ring 2 be enclosed within the rotating shaft 7 and with rotating shaft 7 motions.Different is with embodiment 1, is equipped with elastic component in the described enclosed cavity 10 between external fixation ring 4 and left and right end cap 3,6, and described elastic component is a spring pad 11.Spring pad 11 1 ends that are in the right contact with external fixation ring 4, and the other end contacts with right end cap 6, and spring pad 11 1 ends that are in left end contact with external fixation ring 4, and the other end contacts with left end cap 3.Spring pad 11 in the present embodiment is the same with the effect that spring 8 among the embodiment 1 is played, when the high speed circular motion takes place in steel ball 5, all can reduce steel ball 5 and give birth to the chance of colliding with external fixation ring 4 and interior motion environment-development, thus the noise that the collision of elimination bearing 1 invar pearl 5 high frequencies is sent.
A kind of elimination bearing noise device of the present utility model, not only simple in structure, and can eliminate the noise that the generator amature bearing sends when high speed rotating.All have the utility model structure and just do to revise in form, all belongs to protection category of the present utility model.
Claims (5)
1. an elimination bearing noise device comprises rotating shaft, is enclosed within the bearing in the rotating shaft, is positioned at the bearing end covers at two sides, and described end cap, rotating shaft surround the enclosed cavity of parcel bearing jointly, and described bearing comprises interior motion ring, steel ball, external fixation ring; It is characterized in that: between external fixation ring and end cap, be provided with elastic component in the described enclosed cavity.
2. elimination bearing noise device according to claim 1 is characterized in that: be equipped with elastic component in the described enclosed cavity between external fixation ring and two end caps.
3. elimination bearing noise device according to claim 1 and 2, it is characterized in that: described elastic component is a spring, described spring one end and external fixation loop contacts, the other end contacts with end cap.
4. elimination bearing noise device according to claim 3, it is characterized in that: described end cap madial wall is provided with installing hole, and described spring is located in the installing hole.
5. elimination bearing noise device according to claim 1 and 2, it is characterized in that: described elastic component is a spring pad, described spring pad one end and external fixation loop contacts, the other end contacts with end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201098216U CN201629628U (en) | 2010-02-04 | 2010-02-04 | Device for eliminating noise of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201098216U CN201629628U (en) | 2010-02-04 | 2010-02-04 | Device for eliminating noise of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629628U true CN201629628U (en) | 2010-11-10 |
Family
ID=43061027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201098216U Expired - Lifetime CN201629628U (en) | 2010-02-04 | 2010-02-04 | Device for eliminating noise of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071592A (en) * | 2019-05-23 | 2019-07-30 | 浙江金轴电气有限公司 | A kind of anti-skidding connection structure of shaft bearing |
-
2010
- 2010-02-04 CN CN2010201098216U patent/CN201629628U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071592A (en) * | 2019-05-23 | 2019-07-30 | 浙江金轴电气有限公司 | A kind of anti-skidding connection structure of shaft bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510460 Guangdong city of Guangzhou Province Ya Yao Zhen Ya Yuan Nan Lu, Huadu District Patentee after: Guangzhou ENGGA Generators Co., Ltd. Address before: 510460 Guangdong city of Guangzhou Province Ya Yao Zhen Ya Yuan Nan Lu, Huadu District Patentee before: Guangzhou Engga Generators Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150929 Address after: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee after: Eng (Yangjiang) Electric Co., Ltd. Address before: 510460 Guangdong city of Guangzhou Province Ya Yao Zhen Ya Yuan Nan Lu, Huadu District Patentee before: Guangzhou ENGGA Generators Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee after: British Electric (Yangjiang) Limited by Share Ltd Address before: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee before: Eng (Yangjiang) Electric Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |
|
| CX01 | Expiry of patent term |