CN207161523U - A kind of double-row conical bearing for elevator traction machine - Google Patents
A kind of double-row conical bearing for elevator traction machine Download PDFInfo
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- CN207161523U CN207161523U CN201721019818.3U CN201721019818U CN207161523U CN 207161523 U CN207161523 U CN 207161523U CN 201721019818 U CN201721019818 U CN 201721019818U CN 207161523 U CN207161523 U CN 207161523U
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- outer ring
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Abstract
The utility model discloses a kind of double-row conical bearing for elevator traction machine, two groups of inner rings including outer ring and inside the outer ring, two groups of retainers are provided between the outer ring and the inner ring, multiple taper rollers are provided with any retainer, the outside of the inner ring sets fluted, cone spacer is provided with the axial direction between inner ring described in two groups, the middle part of the outer ring is provided with multiple through holes in radial direction insertion, both sides inside the outer ring are provided with bayonet socket, sealing ring is provided with the bayonet socket, it is provided with the sealing ring in the middle part of lip and draws oily lip, the sealing ring is provided with the main lip of sealing and sealing pair lip close to the side of the inner ring.The utility model extends the service life of bearing, improves the reliability and stability of bearing, and the bearing capacity of bearing is strong, and guidance accuracy is high, and noise is small.
Description
【Technical field】
It the utility model is related to the technical field of bearing, more particularly to a kind of double-row conical for elevator traction machine
Bearing.
【Background technology】
At present, the bearing used in elevator traction machine is mainly self-aligning roller bearing, deep groove ball bearing and taper roll bearing,
The main frame requires very high to the precision of bearing, vibration, life-span and sealing property.The shafting structure of traction machine host mainly has
Three big mainstream configurations, one are：A set of self-aligning roller bearing and a set of deep groove ball bearing；Secondly it is：Two sets of circles installed side by side
Taper roller bearing；Thirdly it is：Two sets of deep groove ball bearings installed side by side.Its structure is complex, and the main shaft of traction machine is longer, peace
It is big to fill space, it is inconvenient for use, and poor sealing performance, noise are larger, it is impossible to better meet the requirement of traction machine.
【Utility model content】
In view of this, it is overcome the deficiencies in the prior art, the utility model provides a kind of biserial for elevator traction machine
Taper roll bearing, by the improvement of structure, the structure of traction machine main shaft is simplified, cost and energy consumption is reduced, improves axle
The guidance accuracy held, noise is small, and sealing property is strong.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of double-row conical bearing for elevator traction machine, including outer ring with double raceway and in the outer ring
Two groups of inner rings in portion, two groups of retainers are provided between the outer ring and the inner ring, are provided with any retainer more
Individual taper roller, the outside setting of the inner ring is fluted, and the taper roller matches together in the groove, inner ring described in two groups
Between be provided with cone spacer in the axial direction, the middle part of the outer ring is provided with multiple through holes in radial direction insertion, described outer
Both sides inside circle are provided with bayonet socket, are provided with sealing ring in the bayonet socket, are provided with and draw in the middle part of lip under the sealing ring
Oily lip, the sealing ring are provided with the main lip of sealing and sealing pair lip close to the side of the inner ring, and lubricating oil is through described logical
Hole, taper roller draw in oily lip described in progressively penetrating into, and the double-row conical bearing is described to draw in oily lip when rotating
Lubricating oil flows into the surface of the taper roller, and the taper roller surface forms oil film, improves running accuracy, and extension uses the longevity
Life, the groove limit the movement locus of the taper roller, improve the bearing capacity of bearing, the setting of the inner spacing collar
The installation requirement of bearing is reduced, further increases the precision of bearing.
Preferably, one end of the retainer is provided with reinforcement, the intensity of bearing is improved, using reliable.
Further, the surface roughness of the inwall of the outer ring and the groove is 0.125um, and the operating of bearing hinders
Power is small, and precision is high.
Further, the quantity of the through hole is 4, and equally annular is set.
Further, the exterior annular of the outer ring is provided with oil-feed tank, and the through hole is communicated in the oil-feed tank, it is described enter
The setting of oil groove and through hole is easy to lubricating oil to enter the inside of bearing, the surface of the taper roller is formed oil film, prolongs
The service life of long bearing.
Further, the sealing ring realizes the two-way interference of axial-radial with the outer ring, ensures bearing in normal work,
Avoid the seal and the outer ring occur it is relative slide, the main lip of the sealing and sealing pair lip are homogeneously butted on described
The outer wall of inner ring, while high sealing performance is met, reduce the moment of friction of bearing.
Further, by improving the accuracy of manufacture of bearing, the related ginseng such as circularity, percent ripple, Wall-Thickness Difference of rolling surface is controlled
Number, optimize the angle of inclination of the groove, it is 14 ° 10 ' to make the angle of inclination, and with the taper roller precision-fit, fortune
Turn precision height, noise is small.
The beneficial effects of the utility model are：(1) length of traction machine main shaft is shortened, simplifies the knot of traction machine main shaft
Structure, make traction machine structure compacter, reduce cost and energy consumption；(2) use double sealing structure, make it have waterproof and dustproof,
The functions such as leakproof fat so that Bearing inner can keep good lubricant environment, so as to extend the service life of bearing, improve
Reliability and stability；(3) improvement of bearing arrangement is passed through so that the bearing capacity of bearing is strong, and guidance accuracy is high, noise
It is small.
【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 structural representation of inner ring in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram at A in Fig. 1.
In figure, 1, outer ring, 2, inner ring, 3, taper roller, 4, retainer, 5, inner spacing collar, 6, through hole, 7, sealing ring, 8, recessed
Groove, 9, bayonet socket, 10, draw oily lip, 11, sealing pair lip, 12, the main lip of sealing, 13, reinforcement, 14, oil-feed tank.
【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 double-row conical bearing for elevator traction machine, including outer ring with double raceway 1 and
Two groups of inner rings 2 inside the outer ring 1, are provided with two groups of retainers 4, Ren Yisuo between the outer ring 1 and the inner ring 2
State and multiple taper rollers 3 are provided with retainer 4, the outside of the inner ring 2 sets fluted 8, and the taper roller 3 is engaged
It is provided with cone spacer 5 in the axial direction between the groove 8, inner ring 2 described in two groups, the middle part of the outer ring 1 is in radial direction side
Equidistant penetrate is provided with four through holes 6, the both sides inside the outer ring 1 are provided with bayonet socket 9, are provided with the bayonet socket 9
Sealing ring 7, it is provided with the middle part of described 9 times lips of sealing ring and draws oily lip 10, the sealing ring 7 is close to the side of the inner ring 2
The main lip 12 of sealing and sealing pair lip 11 are provided with, lubricating oil progressively penetrates into described draw through the through hole 6, taper roller 3
In oily lip 10, for the double-row conical bearing when rotating, the lubricating oil drawn in oily lip 10 flows to the taper roller
3, the surface of taper roller 3 forms oil film, improves running accuracy, increases the service life, the groove 8 limits the circular cone
The movement locus of roller 3, improves the bearing capacity of bearing, and the setting of the inner spacing collar 5 reduces the installation requirement of bearing, entered
One step improves the precision of bearing.
One end of the retainer 4 is provided with reinforcement 13, the intensity of bearing is improved, using reliable.
The inwall of the outer ring 1 and the surface roughness of the groove 8 are 0.125um, and the running resistance of bearing is small,
Precision is high.
The exterior annular of the outer ring 1 is provided with oil-feed tank 14, and the through hole 6 is communicated in the oil-feed tank 14, it is described enter
The setting of oil groove 14 and through hole 6 is easy to lubricating oil to enter the inside of bearing, the surface of the taper roller 3 is formed oil
Film, extend the service life of bearing.
The sealing ring 7 realizes the two-way interference of axial-radial with the outer ring 1, ensures that bearing in normal work, avoids
The seal 7 and the outer ring 1 occur it is relative slide, the main lip 12 of the sealing and sealing pair lip 11 are homogeneously butted on institute
The outer wall of inner ring 2 is stated, while high sealing performance is met, reduces the moment of friction of bearing.
By improving the accuracy of manufacture of bearing, the relevant parameters such as the circularity, percent ripple, Wall-Thickness Difference of rolling surface are controlled, are optimized
The angle of inclination of the groove 8, it is 14 ° 10 ' to make the inclination angle beta, and smart with the precision-fit of taper roller 3, operating
Degree is high, and noise is small.
As shown in figure 1, by taking model 352022X2-2RSQ double-row conical bearing as an example, the external diameter of outer ring 1 is
170mm, the diameter of bore of inner ring 2 is 110mm, and after heat treatment hardness is 59-64HRC for outer ring 1 and inner ring 2.In use, sealing
The inner side of circle 7 is marked with lubricating grease, and sealing ring 7 rotates with outer ring 1, and lubricating grease lubricates to taper roller 3, improves the operating of bearing
Precision, increase the service life；Meanwhile taper roller 3 is equipped with groove 8, improves bearing capacity.
The utility model simplifies the structure of traction machine main shaft, reduces cost and energy consumption, and extend bearing uses the longevity
Life, improves the reliability and stability of bearing, and the bearing capacity of bearing is strong, and guidance accuracy is high, and noise is small.
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 double-row conical bearing for elevator traction machine, including outer ring with double raceway and inside the outer ring
Two groups of inner rings, two groups of retainers are provided between the outer ring and the inner ring, are provided with any retainer multiple
Taper roller, it is characterised in that the outside of the inner ring sets fluted, and the taper roller matches together in the groove, and two
Cone spacer is provided between the group inner ring in the axial direction, the middle part of the outer ring is provided with multiple lead in radial direction insertion
Hole, the both sides inside the outer ring are provided with bayonet socket, are provided with sealing ring in the bayonet socket, the middle part of lip under the sealing ring
It is provided with and draws oily lip, the sealing ring is provided with the main lip of sealing and sealing pair lip close to the side of the inner ring.
2. a kind of double-row conical bearing for elevator traction machine according to claim 1, it is characterised in that described
One end of retainer is provided with reinforcement.
3. a kind of double-row conical bearing for elevator traction machine according to claim 1, it is characterised in that described
The surface roughness of the inwall of outer ring and the groove is 0.125um.
4. a kind of double-row conical bearing for elevator traction machine according to claim 1, it is characterised in that described
The quantity of through hole is 4, and equally annular is set.
5. a kind of double-row conical bearing for elevator traction machine according to claim 1, it is characterised in that described
The exterior annular of outer ring is provided with oil-feed tank, and the through hole is communicated in the oil-feed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019818.3U CN207161523U (en) | 2017-08-15 | 2017-08-15 | A kind of double-row conical bearing for elevator traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019818.3U CN207161523U (en) | 2017-08-15 | 2017-08-15 | A kind of double-row conical bearing for elevator traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161523U true CN207161523U (en) | 2018-03-30 |
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ID=61716726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721019818.3U Active CN207161523U (en) | 2017-08-15 | 2017-08-15 | A kind of double-row conical bearing for elevator traction machine |
Country Status (1)
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|---|---|
| CN (1) | CN207161523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425525A (en) * | 2019-01-09 | 2020-07-17 | 斯凯孚公司 | Rolling contact bearing with improved performance |
-
2017
- 2017-08-15 CN CN201721019818.3U patent/CN207161523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425525A (en) * | 2019-01-09 | 2020-07-17 | 斯凯孚公司 | Rolling contact bearing with improved performance |
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