CN201221570Y - Dust-proof bearing base - Google Patents
Dust-proof bearing base Download PDFInfo
- Publication number
- CN201221570Y CN201221570Y CNU2008201084771U CN200820108477U CN201221570Y CN 201221570 Y CN201221570 Y CN 201221570Y CN U2008201084771 U CNU2008201084771 U CN U2008201084771U CN 200820108477 U CN200820108477 U CN 200820108477U CN 201221570 Y CN201221570 Y CN 201221570Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- bearing seat
- self
- shield
- rotating shaft
- 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
Links
- 239000002184 metal Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 5
- 238000012423 maintenance Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model discloses a dustproof bearing block, comprising a bearing block casing. A self sealing bearing and a rotating shaft are arranged in a cavity which is enclosed by the bearing block casing. The self sealing bearing is sheathed on the rotating shaft; wherein, a reinforced seal is sheathed outside the upper bearing chamber of the rotating shaft. The reinforced seal is sheathed in a double layer sealing place formed between the internal side of the self sealing bearing and the self sealing bearing. The dustproof bearing block has good dust proof effect and prolongs the service life of the bearing.
Description
Technical field
The utility model relates to a kind of bearing support, particularly relates to a kind of shield bearing seat.
Background technique
Bearing is a kind of very important component in the contemporary machinery, and its major function is supporting rotating shaft or other moving body, and guiding rotation or moving movement also bears by axle or parts on shaft transmission and the load of coming.
The bearing of working in the heavier environment of some dust is often because entering of dust causes damage of bearings.Coal-feeding conveyer head roll bearing in the field, colliery is exactly to work in very serious dust atmosphere, and the dust prevention of existing coal-feeding conveyer head roll bearing support only limits to self-enclosed bearing, very easily causes damage of bearings in the working environment of high dust.
And present coal-feeding conveyer bearing support does not have access opening, makes maintenance bother very much, takes the bearing maintenance apart and might damage bearing, and not taking bearing apart often is to wait damage of bearings to find, brings many losses to production, and makes working efficiency lower.Will change bearing after damage of bearings also bothers very much, sometimes also need fire operation that bearing support is cut open and could continue to change bearing, make that the cycle of changing bearing is long especially, prolonged man-hour, and can bring very big danger at zone, colliery fire operation.
Therefore be necessary to design a kind of bearing support, to address the above problem.
The model utility content
A purpose of the present utility model is to provide a kind of bearing support, solves because entering of dust causes damage of bearings.
Another purpose of the present utility model provides a kind of bearing support, solves the problem of being inconvenient to check bearing.
The utility model also has a purpose to provide a kind of bearing support, solves to change the slow shortcoming of bearing.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of shield bearing seat comprises the bearing support shell, is placed with bearing and rotating shaft in the cavity that the bearing support shell surrounds, and bearings is sheathed in the rotating shaft, and wherein, described rotating shaft upper bearing (metal) outdoor also supporting sleeve is provided with seal arrangement.
Preferably, described seal arrangement is an outside framework oil seal.
Preferably, described bearing is self-enclosed bearing.
Preferably, described outside framework oil seal is two.
Preferably, described outside framework oil seal diameter difference.
Preferably, on the straight line of rotating shaft place, offer access opening on the described bearing shell.
Preferably, described access opening is circular.
Preferably, the diameter of described access opening is greater than bearing diameter.
Preferably, described access opening is provided with end cap.
Preferably, be provided with screw around the described end cap, and be furnished with bolt, described end cap is fixedlyed connected with the bearing support shell by bolt.
The shield bearing seat bearing chamber of the present utility model outside is arranged with outside framework oil seal, forms double-layer seal with self-enclosed bearing, and dustproof effect is better, has improved the working life that bearing is worked under the environment of high dust.
And, outside framework oil seal is that to be set between bearing chamber and the head roll be self-enclosed bearing outside in the shield bearing seat of the present utility model, directly in high dust atmosphere, work, outside framework oil seal is damaged even be in operation, self-enclosed bearing still can guarantee work a period of time, has avoided the emergentness of self-enclosed damage of bearings.The bearing support shell is provided with access opening and end cap makes self-enclosed bearing to overhaul more easily and to change.Directly open end cap during maintenance and just can check whether self-enclosed bearing damages, might bring damage to self-enclosed bearing when having avoided opening originally the maintenance of bearing support shell.Open end cap when changing self-enclosed bearing and just can directly change, do not need fire operation, the danger of the operation of having avoided under the coal dust environment, getting angry, the time of changing self-enclosed bearing simultaneously also shortens significantly.Improved manufacturing efficiency, reduced cost.
Description of drawings
Fig. 1 is a bearing support sectional view of the present utility model.
Wherein, the self-enclosed bearing of 1-, 2-end cap, 3-rotating shaft, 4-outside framework oil seal, 5-bolt.
Embodiment
Be described in detail below in conjunction with the shield bearing seat of accompanying drawing the utility model most preferred embodiment.
With reference to Fig. 1, this shield bearing seat comprises bearing support shell (not marking among the figure), is placed with self-enclosed bearing 1 and rotating shaft 3 in the cavity that the bearing support shell surrounds, and self-enclosed bearing 1 is supported in the rotating shaft 3.The outside, rotating shaft upper bearing (metal) chambers (not marking among the figure) 3 also is arranged with seal arrangement, and seal arrangement is an outside framework oil seal 4 in the present embodiment, and those of ordinary skills know that seal arrangement and self-enclosed bearing 1 should be as limits.
The bearing support shell of rotating shaft 3 correspondences is provided with the access opening (not shown), with convenient self-enclosed bearing 1 is overhauled, being arranged so that when overhauling of access opening need not be taken the damaged condition that self-enclosed bearing 1 just can be known self-enclosed bearing 1 apart, and according to circumstances in time changes.
Access opening in the present embodiment is circular, and access opening can also be square other shapes that waits, and those of ordinary skills are clear, and the shape of access opening and size are not exceeded with this embodiment.The diameter of access opening or the length of side are identical with the diameter of outside framework oil seal 4, most preferably the access opening diameter is than outside framework oil seal 4 slightly larger in diameter, more conveniently so directly change self-enclosed bearing 1 from access opening, when having avoided the self-enclosed bearing 1 of original replacing, need get angry and cut the drawback that bearing support could be changed self-enclosed bearing 1 open.Improve the efficient of changing self-enclosed bearing 1, greatly shortened maintenance duration, reduced the cost of overhaul.
Part stretches out access opening beyond the self-enclosed bearing 1 of rotating shaft 3, only needs just can see by access opening the damaged condition of self-enclosed bearing 1 during maintenance, can in time change self-enclosed bearing 1 according to damaged condition.Avoid causing incuring loss through delay the duration because of the unexpected damage of self-enclosed bearing 1.
Be provided with the first screw (not shown) around the access opening, access opening is outside equipped with an end cap 2, end cap 2 can contain self-enclosed bearing 1 and stretch out the outer part of access opening, be provided with the second screw (not shown) around on the end cap 2, and with access opening around first screw match, end cap 2 is fixedlyed connected by bolt 5, first screw, second screw with the bearing shell, can not exceed between end cap 2 and bearing shell by clearly means of fixation of those of ordinary skills such as be fixed, screw thread is fixing with present embodiment yet.
The formation double seal of working in coordination of outside framework oil seal 4 and self-enclosed bearing 1, make the rugged environment of bearing chamber and coal-feeding conveyer (not shown) inside separate, effectively reduced dust and entered bearing chamber inside, prevented from that too much dust from entering in the inner self-enclosed bearing 1 of bearing chamber to cause self-enclosed bearing 1 bite.Improve the working life of self-enclosed bearing 1 under the working environment of high dust, increased work efficiency, reduced the cost of overhaul.
The self-enclosed structure of self-enclosed in a preferred embodiment bearing 1 and outside framework oil seal 4 are not the one designs, therefore, outside framework oil seal 4 is damaged even be in operation, self-enclosed bearing 1 still can guarantee work a period of time, the emergentness of having avoided self-enclosed bearing 1 to damage prevents to bring excessive loss because of self-enclosed bearing 1 damages suddenly to production.
The utility model second preferred embodiment and first preferred embodiment are basic identical, and different is by the outside framework oil seal 4 among the seal ring (not shown) replacement embodiment one in second preferred embodiment.Can certainly intersect with outside framework oil seal 4 by seal ring and be used, perhaps be used between seal ring and seal ring, outside framework oil seal 4 and the outside framework oil seal 4, utilize seal ring and seal ring, the seal ring of different-diameter and the outside framework oil seal 4 and the outside framework oil seal 4 of outside framework oil seal 4 or different-diameter of different-diameter to cooperate, the sound slit of 4 of rotating shaft and seal ring, outside framework oil seals is crossed one another block, dustproof effect is better.
The setting of mentioning herein, connect be meant welding, clamping, be spirally connected, related domain common version such as riveted joint.Other structures of this coal-feeding conveyer head roll bearing support and the bearing support of prior art are basic identical, do not repeat them here.
Though describe the utility model in detail with reference to specific embodiments, it is pointed out that these embodiments only are used for understanding better the utility model.It will be apparent to those skilled in that under the situation that does not depart from spirit and scope of the present utility model, making some variations and revise on the basis of the foregoing description all is the scope that the utility model is protected.
Claims (10)
1. a shield bearing seat is characterized in that, described shield bearing seat comprises the bearing support shell, be placed with bearing and rotating shaft in the cavity that described bearing support shell surrounds, bearings is sheathed in the rotating shaft, and wherein, described rotating shaft upper bearing (metal) outdoor also supporting sleeve is provided with seal arrangement.
2. shield bearing seat according to claim 1 is characterized in that, described seal arrangement is an outside framework oil seal.
3. shield bearing seat according to claim 1 is characterized in that, described bearing is self-enclosed bearing.
4. shield bearing seat according to claim 2 is characterized in that, described outside framework oil seal is two.
5. shield bearing seat according to claim 4 is characterized in that, described outside framework oil seal diameter difference.
6. shield bearing seat according to claim 1 and 2 is characterized in that, offers access opening on the described bearing shell on the straight line of rotating shaft place.
7. shield bearing seat according to claim 6 is characterized in that, described access opening is circular.
8. shield bearing seat according to claim 6 is characterized in that the diameter of described access opening is greater than bearing diameter.
9. shield bearing seat according to claim 6 is characterized in that described access opening is provided with end cap.
10. shield bearing seat according to claim 9 is characterized in that, is provided with screw around the described end cap, and is furnished with nut, and described end cap is fixedlyed connected with the bearing support shell by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201084771U CN201221570Y (en) | 2008-06-02 | 2008-06-02 | Dust-proof bearing base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201084771U CN201221570Y (en) | 2008-06-02 | 2008-06-02 | Dust-proof bearing base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221570Y true CN201221570Y (en) | 2009-04-15 |
Family
ID=40575078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201084771U Expired - Lifetime CN201221570Y (en) | 2008-06-02 | 2008-06-02 | Dust-proof bearing base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221570Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373465A (en) * | 2014-10-27 | 2015-02-25 | 广西三零一机械有限公司 | Bearing dustproof device |
| CN107740784A (en) * | 2017-10-17 | 2018-02-27 | 珠海格力电器股份有限公司 | Mounting structure for rotating shaft and tower fan |
-
2008
- 2008-06-02 CN CNU2008201084771U patent/CN201221570Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373465A (en) * | 2014-10-27 | 2015-02-25 | 广西三零一机械有限公司 | Bearing dustproof device |
| CN107740784A (en) * | 2017-10-17 | 2018-02-27 | 珠海格力电器股份有限公司 | Mounting structure for rotating shaft and tower fan |
| CN107740784B (en) * | 2017-10-17 | 2023-10-27 | 珠海格力电器股份有限公司 | Rotating shaft mounting structure and tower fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090731 Address after: Beijing City, Dongcheng District No. 16 Andrew intercontinental building 4, zip code: 100011 Co-patentee after: Beijing Guohua Electric Power Co., Ltd. Patentee after: China Shenhua Energy Co Co-patentee after: Hebei Guohua Cangdong Power Generation Co., Ltd. Address before: Beijing City, Dongcheng District No. 16 Andrew intercontinental building 4, zip code: 100011 Patentee before: China Shenhua Energy Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |