CN207161522U - A kind of taper roll bearing for planetary reducer - Google Patents
A kind of taper roll bearing for planetary reducer Download PDFInfo
- Publication number
- CN207161522U CN207161522U CN201721046406.9U CN201721046406U CN207161522U CN 207161522 U CN207161522 U CN 207161522U CN 201721046406 U CN201721046406 U CN 201721046406U CN 207161522 U CN207161522 U CN 207161522U
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- China
- Prior art keywords
- bearing
- sealing ring
- planetary reducer
- inner race
- backing plate
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Abstract
The utility model discloses a kind of taper roll bearing for planetary reducer, including bearing outer ring, bearing inner race, taper roller and retainer, the retainer is between the bearing outer ring and the bearing inner race, the taper roller is arranged on the retainer, the taper roll bearing also includes the first seal washer and the second seal washer, first seal washer includes the first backing plate and the first sealing ring, the lower end of first backing plate is mutually butted on the upper end of the bearing inner race, the lower end of first sealing ring is mutually butted on the upper end of the bearing outer ring；Second seal washer includes the second backing plate and the second sealing ring, and the upper end of second backing plate is mutually butted on the lower end of the bearing outer ring, and the upper end of second sealing ring is mutually butted on the lower end of the bearing inner race.The utility model improves the running accuracy and run stability of bearing, reduces the working service cost of planetary reducer, improves the transmission accuracy of planetary reducer.
Description
【Technical field】
It the utility model is related to the technical field of bearing, more particularly to a kind of taper roller axle for planetary reducer
Hold.
【Background technology】
Planetary reducer is a kind of widely used industrial products, and it has small volume, transmission efficiency, reduction range
Extensively, many advantages, such as precision is high.Planetary reducer is as precision drive part, its internal bearing set and planetary profit
Sliding system is particularly critical.Lubricating system is also lubricated while being lubricated to planetary gear to bearing.However, with use
The passage of time, the friction between planetary gear, the finely ground particles in lubricating oil increase, and the quality of lubricating oil is worse and worse.
Second-rate lubricating oil has a strong impact on the transmission accuracy of bearing during to bearing lubrication, shortens the service life of bearing,
So as to reduce the transmission accuracy of planetary reducer, working service cost is improved.
【Utility model content】
In view of this, it is overcome the deficiencies in the prior art, the utility model provides a kind of circular cone for planetary reducer
Roller bearing, by the improvement of bearing arrangement, seal washer is set up, effectively prevents the entrance of finely ground particles in lubricating oil,
The running accuracy of bearing is improved, so as to improve the transmission accuracy of planetary reducer, reduces the use dimension of planetary reducer
Protect cost.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of taper roll bearing for planetary reducer, including bearing outer ring, bearing inner race, taper roller and guarantor
Frame is held, for the retainer between the bearing outer ring and the bearing inner race, the taper roller is arranged at the holding
On frame, the taper roll bearing also includes the first seal washer and the second seal washer, and first seal washer includes the
One backing plate and the first sealing ring, the lower end of first backing plate are mutually butted on the upper end of the bearing inner race, first sealing
The lower end of circle is mutually butted on the upper end of the bearing outer ring；Second seal washer includes the second backing plate and the second sealing ring,
The upper end of second backing plate is mutually butted on the lower end of the bearing outer ring, and the upper end of second sealing ring is mutually butted on the bearing
The lower end of inner ring.
The setting of first seal washer and the second seal washer effectively prevents finely ground particles in lubricating oil
Into improving the running accuracy and run stability of bearing.
Preferably, the lower end surface of first sealing ring is provided with the first oblique groove, and first oblique groove
Point to the outside of the bearing outer ring, while being arranged on of first oblique groove ensure that good seal performance, reduce
Contact area between first sealing ring and the bearing outer ring, frictional resistance is small, smooth running.
Further, the lateral surface of first sealing ring is provided with multiple first drum filtration blocks.
Further, the upper end end face of second sealing ring is provided with the second oblique groove, and described second oblique recessed
Groove points to the inner side of the bearing inner race, while being arranged on of second oblique groove ensure that good seal performance, subtracts
Small contact area between second sealing ring and the bearing inner race, frictional resistance is small, smooth running.
Further, the medial surface of second sealing ring is provided with multiple second drum filtration blocks, and lubricating oil is from described
Bearing inner is penetrated into first drum filtration block and the second drum filtration block, is easy to the lubrication of the taper roller,
The filter block set simultaneously in cydariform is advantageous to installation with fixed, difficult for drop-off.
The beneficial effects of the utility model are：(1) by setting first seal washer and the second seal washer to have
Effect prevents the entrance of finely ground particles in lubricating oil, the running accuracy and run stability of bearing is improved, so as to improve
The transmission accuracy of planetary reducer, the working service cost of planetary reducer is reduced, extends service life；(2) institute is set
The first oblique groove and the second oblique groove are stated, improves sealing property, reduces frictional resistance, transmission efficiency.
【Brief description of the drawings】
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlargement structural representation at A in Fig. 1；
Fig. 3 is the partial enlargement structural representation at B in Fig. 1；
Fig. 4 is use state diagram of the present utility model.
In figure, 1, bearing outer ring, 2, taper roller, 3, bearing inner race, the 4, first seal washer, the 5, first backing plate, 6,
One sealing ring, 7, retainer, the 8, second seal washer, the 9, second sealing ring, the 10, second backing plate, the 11, first drum filtration block,
12nd, the first oblique groove, the 13, second drum filtration block, the 14, second oblique groove, 15, support, 16, power transmission shaft.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to figs. 1 to Fig. 3, a kind of taper roll bearing for planetary reducer, including bearing outer ring 1, bearing inner race
3rd, taper roller 2 and retainer 7, the retainer 7 is between the bearing outer ring 1 and the bearing inner race 3, the circle
Cone roller 2 is arranged on the retainer 7, and the taper roll bearing also includes the first seal washer 4 and the second seal washer
8, first seal washer 4 includes the first backing plate 5 and the first sealing ring 6, and the lower end of first backing plate 5 is mutually butted on described
The upper end of bearing inner race 3, the lower end of first sealing ring 6 are mutually butted on the upper end of the bearing outer ring 1；Second sealing gasket
Circle 8 includes the second backing plate 10 and the second sealing ring 9, and the upper end of second backing plate 10 is mutually butted under the bearing outer ring 1
End, the upper end of second sealing ring 9 is mutually butted on the lower end of the bearing inner race 3.
The sealing ring 9 of first sealing ring 6 and second is made using polytetrafluoroethylene (PTFE), and its coefficient of friction is small, close
Envelope is reliable.The backing plate 10 of first backing plate 5 and second is made using stainless steel, and its hardness is high, and resistance to corrosion is strong.Institute
The effective entrance for preventing finely ground particles in lubricating oil of setting of the first seal washer 4 and the second seal washer 8 is stated, is improved
The running accuracy and run stability of bearing.
The lower end surface of first sealing ring 6 is provided with the first oblique groove 12, and first oblique groove 12 refers to
To the outside of the bearing outer ring 1, while being arranged on of first oblique groove 12 ensure that good seal performance, reduce
Contact area between first sealing ring 6 and the bearing outer ring 1, frictional resistance is small, smooth running.
The upper end end face of second sealing ring 9 is provided with the second oblique groove 14, and second oblique groove 14 refers to
To the inner side of the bearing inner race 3, while being arranged on of second oblique groove 14 ensure that good seal performance, reduce
Contact area between second sealing ring 9 and the bearing inner race 3, frictional resistance is small, smooth running.
The equidistant annular of lateral surface of first sealing ring 6 is provided with six the first drum filtration blocks 11, and described second
The equidistant annular of medial surface of sealing ring 9 is provided with six the second drum filtration blocks 13, the first drum filtration block 11 and
Second drum filtration block 13 is made using wool felt, and lubricating oil is from the first drum filtration block 11 and described second
Bearing inner is penetrated into drum filtration block 13, is easy to the lubrication of the taper roller 2, while the filter block set in cydariform has
Beneficial to installation and fix, it is difficult for drop-off.
As shown in figure 4, in use, the upper end of the first backing plate 5 is mutually butted on the shaft shoulder of power transmission shaft 16, the lower end of the second backing plate 10
The inside of support 15 is mutually butted on, the first seal washer 4 and the second seal washer 8 effectively prevent finely ground particles in lubricating oil
Entrance, improve the running accuracy and run stability of bearing, so as to improve the transmission accuracy of planetary reducer, extend
Service life, reduce the working service cost of planetary reducer.
The utility model improves the running accuracy and run stability of bearing, reduces the working service of planetary reducer
Cost, the service life of planetary reducer is extended, improve the transmission accuracy of planetary reducer.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of taper roll bearing for planetary reducer, including bearing outer ring, bearing inner race, taper roller and holding
Frame, for the retainer between the bearing outer ring and the bearing inner race, the taper roller is arranged at the retainer
On, it is characterised in that the taper roll bearing also includes the first seal washer and the second seal washer, first sealing gasket
Circle includes the first backing plate and the first sealing ring, and the lower end of first backing plate is mutually butted on the upper end of the bearing inner race, described
The lower end of first sealing ring is mutually butted on the upper end of the bearing outer ring；Second seal washer includes the second backing plate and second
Sealing ring, the upper end of second backing plate are mutually butted on the lower end of the bearing outer ring, and the upper end of second sealing ring is mutually butted on
The lower end of the bearing inner race.
2. a kind of taper roll bearing for planetary reducer according to claim 1, it is characterised in that described first
The lower end surface of sealing ring is provided with the first oblique groove, and first oblique groove points to the outside of the bearing outer ring.
3. a kind of taper roll bearing for planetary reducer according to claim 1 or 2, it is characterised in that described
The lateral surface of first sealing ring is provided with multiple first drum filtration blocks.
4. a kind of taper roll bearing for planetary reducer according to claim 1, it is characterised in that described second
The upper end end face of sealing ring is provided with the second oblique groove, and second oblique groove points to the inner side of the bearing inner race.
5. a kind of taper roll bearing for planetary reducer according to claim 1 or 4, it is characterised in that described
The medial surface of second sealing ring is provided with multiple second drum filtration blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046406.9U CN207161522U (en) | 2017-08-21 | 2017-08-21 | A kind of taper roll bearing for planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046406.9U CN207161522U (en) | 2017-08-21 | 2017-08-21 | A kind of taper roll bearing for planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161522U true CN207161522U (en) | 2018-03-30 |
Family
ID=61717993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046406.9U Active CN207161522U (en) | 2017-08-21 | 2017-08-21 | A kind of taper roll bearing for planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288011A (en) * | 2018-12-06 | 2020-06-16 | 丹佛斯动力系统公司 | Cover plate and seal carrier for eliminating bearing end gap |
-
2017
- 2017-08-21 CN CN201721046406.9U patent/CN207161522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288011A (en) * | 2018-12-06 | 2020-06-16 | 丹佛斯动力系统公司 | Cover plate and seal carrier for eliminating bearing end gap |
| US11365763B2 (en) | 2018-12-06 | 2022-06-21 | Danfoss Power Solutions Inc. | Cover plate and seal carrier that eliminates bearing endplay |
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