CN215634440U - Roller of impact-resistant tapered roller bearing - Google Patents
Roller of impact-resistant tapered roller bearing Download PDFInfo
- Publication number
- CN215634440U CN215634440U CN202120639721.2U CN202120639721U CN215634440U CN 215634440 U CN215634440 U CN 215634440U CN 202120639721 U CN202120639721 U CN 202120639721U CN 215634440 U CN215634440 U CN 215634440U
- Authority
- CN
- China
- Prior art keywords
- roller
- end surface
- curve
- small
- tapered
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the technical field of tapered roller bearings, and discloses a roller of an impact-resistant tapered roller bearing, which is a tapered curve roller body with a curve body with a thin middle part and gradually enlarged two ends, and comprises: the roller curved surface is arranged between the large roller end surface and the small roller end surface, the large roller end surface and the small roller end surface are circular planes, the diameter of the large roller end surface is larger than that of the small roller end surface, and the circular planes of the large roller end surface and the small roller end surface are concentric circles. The utility model has the high-bearing load function by designing and manufacturing the upper arc-shaped curve and the lower arc-shaped curve of the roller, and the high-bearing tapered roller bearing formed by the bearing has the functions of high-bearing radial load and single-direction axial load, and has the advantages of reasonable structural design, simple manufacture, convenient assembly, high production efficiency and prolonged service life.
Description
Technical Field
The utility model relates to the technical field of tapered roller bearings, in particular to a roller of an impact-resistant tapered roller bearing.
Background
The tapered roller bearing is an important part in the modern mechanical equipment, belongs to a separable bearing, and comprises an outer ring 1 and an inner assembly, and can bear radial load and unidirectional axial load. Conventional tapered roller bearings are generally constructed such that tapered rollers 3 are retained on an inner ring 4 of the bearing by a cage 2, as shown in fig. 1. After long-time movement, the tapered roller 3 can be worn to different degrees, the worn tapered roller can not move according to the original action track completely, swing can occur in the original limiting space, and the service life of the tapered roller bearing is shortened.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides a roller of an impact-resistant tapered roller bearing.
In order to realize the purpose, the utility model adopts the following technical scheme:
a roller of an impact-resistant tapered roller bearing, said roller 3 being provided as a tapered curved roller body of a curved body having a thin middle and gradually larger ends, comprising: the roller end surface structure comprises a roller large end surface 3.1, a roller small end surface 3.3 and a roller curved surface 3.2, wherein the roller curved surface 3.2 is arranged between the roller large end surface 3.1 and the roller small end surface 3.3, the roller large end surface 3.1 and the roller small end surface 3.3 are circular planes, the diameter of the roller large end surface 3.1 is larger than that of the roller small end surface 3.3, and the circular planes of the roller large end surface 3.1 and the roller small end surface 3.3 are concentric circles; an upper arc curve and a lower arc curve of the axial central section of the roller curved surface 3.2 are symmetrical, and the track of the upper arc curve corresponds to an outer ring arc protruding raceway of the tapered roller bearing; the lower arc-shaped curve track corresponds to an inner ring arc protruding raceway of the tapered roller bearing, and an upper arc-shaped curve and a lower arc-shaped curve sink of the roller curved surface 3.2 are positioned in the middle of the curve.
The roller of the impact-resistant tapered roller bearing is characterized in that the upper arc-shaped curve and the lower arc-shaped curve of the curved surface 3.2 of the roller are positioned at the curve positions close to the large end surface 3.1 of the roller.
A roller of an impact-resistant tapered roller bearing is characterized in that: the upper arc-shaped curve and the lower arc-shaped curve of the roller curved surface 3.2 are positioned at the curve position close to the small end surface 3.3 of the roller.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model provides an impact-resistant tapered roller bearing's roller, through the last camber curve of roller and the design preparation of lower camber curve, the roller has the high load function that bears, and through the outer lane and the inner circle cooperation of design, the high tapered roller bearing that bears of constitution has the high radial load and the single direction axial load function that bears, tapered roller bearing's roller, its structural design is reasonable, simple manufacture, convenient assembling, production efficiency is high, has improved tapered roller bearing life.
Drawings
FIG. 1 is a schematic structural view of a conventional tapered roller bearing;
FIG. 2 is a schematic view of a roller structure of a high-load tapered roller bearing;
FIG. 3 is a schematic structural diagram of an inner ring of the high-load tapered roller bearing;
FIG. 4 is a schematic structural diagram of an outer ring of the high-load tapered roller bearing;
fig. 5 is a schematic structural diagram of a retainer of the high-load tapered roller bearing.
Detailed Description
As shown in fig. 2, a roller of an impact-resistant tapered roller bearing, in which the roller 3 is provided as a tapered curved roller body having a curved body with a thin middle portion and gradually enlarged ends, includes: the roller end surface structure comprises a roller large end surface 3.1, a roller small end surface 3.3 and a roller curved surface 3.2, wherein the roller curved surface 3.2 is arranged between the roller large end surface 3.1 and the roller small end surface 3.3, the roller large end surface 3.1 and the roller small end surface 3.3 are circular planes, the diameter of the roller large end surface 3.1 is larger than that of the roller small end surface 3.3, and the circular planes of the roller large end surface 3.1 and the roller small end surface 3.3 are concentric circles;
an upper arc curve and a lower arc curve of the axial central section of the roller curved surface 3.2 are symmetrical, and the track of the upper arc curve corresponds to an outer ring arc protruding raceway of the tapered roller bearing; the lower arc-shaped curve track corresponds to an inner ring arc protruding raceway of the tapered roller bearing, and an upper arc-shaped curve and a lower arc-shaped curve sink of the roller curved surface 3.2 are positioned in the middle of the curve. The upper arc-shaped curve and the lower arc-shaped curve of the roller curved surface 3.2 are positioned at the curve position close to the large end surface 3.1 of the roller. The upper arc-shaped curve and the lower arc-shaped curve of the roller curved surface 3.2 are positioned at the curve position close to the small end surface 3.3 of the roller.
Example 1
A roller 3 of an impact-resistant tapered roller bearing is a high-bearing impact-resistant tapered roller bearing formed by assembling a retainer 2, an inner ring 4 and an outer ring 1, wherein the roller 3 is arranged as a tapered curve roller body of a curve body with a thin middle part and two gradually enlarged ends, and comprises: the roller end surface structure comprises a roller large end surface 3.1, a roller small end surface 3.3 and a roller curved surface 3.2, wherein the roller curved surface 3.2 is arranged between the roller large end surface 3.1 and the roller small end surface 3.3, the roller large end surface 3.1 and the roller small end surface 3.3 are circular planes, the diameter of the roller large end surface 3.1 is larger than that of the roller small end surface 3.3, and the circular planes of the roller large end surface 3.1 and the roller small end surface 3.3 are concentric circles; an upper arc curve and a lower arc curve of the axial central section of the roller curved surface 3.2 are symmetrical, and the track of the upper arc curve corresponds to an outer ring arc protruding raceway of the tapered roller bearing; the lower arc-shaped curve track corresponds to an inner ring arc protruding raceway of the tapered roller bearing, and an upper arc-shaped curve and a lower arc-shaped curve sink of the roller curved surface 3.2 are positioned in the middle of the curve. The upper arc-shaped curve and the lower arc-shaped curve of the roller curved surface 3.2 are positioned at the curve position close to the large end surface 3.1 of the roller. The upper arc-shaped curve and the lower arc-shaped curve of the roller curved surface 3.2 are positioned at the curve position close to the small end surface 3.3 of the roller.
The inner ring 4 of the high-bearing impact-resistant tapered roller bearing adopted is a conical ring structure of an outer cone inner circle, and comprises: the cone ring large gear, the cone ring small gear and the inner ring roller path 4.3 are arranged, the inner ring roller path 4.3 between the cone ring large gear and the cone ring small gear is arranged to be an arc protruding roller path, the arc protruding section of the arc protruding roller path is a streamline roller arc protrusion, and the streamline arc protrusion of the arc protruding roller path is positioned in the middle position of the roller path between the cone ring large gear and the cone ring small gear; the large blocking section of the conical ring of the inner ring 4 is an inclined triangular body with a large top and a small bottom, and comprises a large end edge 4.6, a large blocking edge 4.4 and a large top edge 4.5, and the small blocking section of the conical ring is a trapezoidal body with a large top and a small bottom, and comprises a small end edge 4.7, a small blocking edge 4.2 and a small top edge 4.1; the large end edge 4.6 of the large conical ring baffle is parallel to the small end edge 4.7 of the small conical ring baffle, and the large flange 4.4 of the large conical ring baffle is parallel to the small flange 4.2 of the small conical ring baffle; the large top edge 4.5 of the large cone ring stop and the small top edge 4.1 of the small cone ring stop are in the same straight line direction. As shown in fig. 3.
The arc protruding position of the inner arc protruding raceway of the outer ring of the tapered roller bearing can also be positioned on the roller raceway close to the large stop of the ring body and corresponds to the arc protruding position of the inner arc protruding raceway of the inner ring of the tapered roller bearing, which is positioned on the roller raceway close to the large stop of the tapered ring.
The arc protruding position of the inner arc protruding raceway of the outer ring of the tapered roller bearing can also be positioned on a roller raceway close to the small block of the ring body, and the arc protruding position of the inner arc protruding raceway of the tapered roller bearing is corresponding to the roller raceway close to the small block of the tapered ring. The included angle between the large top edge of the large cone ring baffle of the inner ring of the tapered roller bearing and the large end edge is set to be a chamfer, and the included angle between the large top edge and the large baffle edge is set to be a chamfer. The outer ring outer wall of the outer ring is of a tubular surface structure. The inner ring inner wall of the inner ring is of a tubular surface structure,
the roller 3 between the outer ring of the tapered roller bearing and the inner ring of the tapered roller bearing is a tapered curved roller which is thin in the middle and gradually enlarged in two ends and is correspondingly contacted with the arc protruding raceway of the inner ring.
The retainer 2 of the tapered roller bearing is a tapered annular body, and a roller hole arranged on the tapered annular body corresponds to the tapered curved roller body; tapered roller bearing's holder is the circular cone ring structure, the structural equipartition of circular cone ring is provided with the quadrangle roller hole of placing tapered curved roller 3, and the quadrangle roller hole includes: the long edge 2.1 of the roller hole, the short edge 2.3 of the roller hole, the long edge 2.1 of the roller hole are parallel to the short edge 2.3 of the roller hole, the two side edges of the long edge 2.1 of the roller hole and the short edge 2.3 of the roller hole are the roller waist edges 2.2, the roller waist edges 2.2 on the two side edges are symmetrical arc curves, and the concave points of the middle positions of the arc curves of the roller waist edges 2.2 on the two side edges are symmetrical.
The pockets of the symmetrical arc curves of the roller waist edges 2.2 on the two side edges of the retainer 2 of the tapered roller bearing are arranged at positions close to the long edges 2.1 of the roller holes. The pockets of the symmetrical arc curves of the roller waist edges 2.2 on the two side edges of the retainer 2 of the tapered roller bearing are arranged at positions close to the roller hole short edges 2.3. As shown in fig. 5.
Claims (3)
1. A roller of an impact-resistant tapered roller bearing is characterized in that: the roller is a tapered curved roller body which is provided with a curved body with a middle thin part and two gradually enlarged ends, and comprises: the roller curved surface is arranged between the large roller end surface and the small roller end surface, the large roller end surface and the small roller end surface are circular planes, the diameter of the large roller end surface is larger than that of the small roller end surface, and the circular planes of the large roller end surface and the small roller end surface are concentric circles; the upper arc-shaped curve and the lower arc-shaped curve of the axial center section of the roller curved surface are symmetrical, and the track of the upper arc-shaped curve corresponds to the outer ring arc protruding raceway of the tapered roller bearing; the lower arc-shaped curve track corresponds to an inner ring arc protruding raceway of the tapered roller bearing, and an upper arc-shaped curve and a lower arc-shaped curve recess of the roller curved surface are located in the middle of the curve.
2. The roller of an impact-resistant tapered roller bearing according to claim 1, wherein: the upper and lower arcuate curve pockets of the roller curve are located at curve positions near the large end faces of the rollers.
3. The roller of an impact-resistant tapered roller bearing according to claim 1, wherein: the upper and lower arcuate curve pockets of the roller curve are located at curve positions near the small end faces of the rollers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120639721.2U CN215634440U (en) | 2021-03-30 | 2021-03-30 | Roller of impact-resistant tapered roller bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120639721.2U CN215634440U (en) | 2021-03-30 | 2021-03-30 | Roller of impact-resistant tapered roller bearing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215634440U true CN215634440U (en) | 2022-01-25 |
Family
ID=79913933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120639721.2U Expired - Fee Related CN215634440U (en) | 2021-03-30 | 2021-03-30 | Roller of impact-resistant tapered roller bearing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215634440U (en) |
-
2021
- 2021-03-30 CN CN202120639721.2U patent/CN215634440U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100532868C (en) | Self-aligning rolling bearing and cage for said self-aligning rolling bearing | |
CN101666354B (en) | Magnetic suspension combined ball bearing | |
CN215634440U (en) | Roller of impact-resistant tapered roller bearing | |
CN215634447U (en) | Retainer of tapered roller bearing | |
CN215634449U (en) | Outer ring of high-bearing tapered roller bearing | |
CN215634450U (en) | Inner ring of high-bearing impact-resistant tapered roller bearing | |
CN211975670U (en) | Tapered roller bearing with spring retaining ring | |
CN210978195U (en) | Axial heavy-load double-row angular contact bearing | |
CN207212936U (en) | A kind of double inner ring two-row ball bearings with positioning hole | |
CN211009563U (en) | Heavy-duty bearing for punch press | |
CN210397454U (en) | High-speed lightweight transmission bearing | |
CN213134717U (en) | Tapered roller bearing retainer riveting die | |
CN208935153U (en) | Dissection type plane bearing | |
CN218152001U (en) | Enhanced guide type light series tapered roller bearing | |
CN220869893U (en) | Lubrication type injection molding bearing retainer | |
CN220754486U (en) | External industrial robot motor sealing ring | |
CN214998830U (en) | Self-aligning rolling bearing | |
CN111188831A (en) | Ferrule guide type thrust cylindrical roller bearing | |
CN215762824U (en) | High-speed railway bearing retainer lock point structure | |
CN215567343U (en) | Flange inner ring and automobile hub bearing unit | |
CN203730548U (en) | Angular contact ball bearing | |
CN211901275U (en) | Ferrule guide type thrust cylindrical roller bearing | |
CN214424909U (en) | Bearing structure | |
CN211117135U (en) | Self-aligning cylindrical roller bearing | |
CN221281670U (en) | Combined globe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |