CN215634450U - Inner ring of high-bearing impact-resistant tapered roller bearing - Google Patents
Inner ring of high-bearing impact-resistant tapered roller bearing Download PDFInfo
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- CN215634450U CN215634450U CN202120639705.3U CN202120639705U CN215634450U CN 215634450 U CN215634450 U CN 215634450U CN 202120639705 U CN202120639705 U CN 202120639705U CN 215634450 U CN215634450 U CN 215634450U
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Abstract
The utility model relates to the technical field of tapered roller bearings, and discloses an inner ring of a high-bearing impact-resistant tapered roller bearing, which is of a conical ring structure with an outer cone and an inner cone, and comprises: the roller raceway between the large cone ring gear and the small cone ring gear is set to be an arc-shaped protruding raceway, the arc-shaped protruding section of the arc-shaped protruding raceway is a streamline arc protrusion, and the streamline arc protrusion of the arc-shaped protruding raceway is positioned in the middle of the roller raceway between the large cone ring gear and the small cone ring gear; the large blocking section of the conical ring is an inclined triangular body with a large top and a small bottom and comprises a large end edge, a large blocking edge and a large top edge, and the small blocking section of the conical ring is a trapezoidal body with a small top and a small bottom and comprises a small end edge, a small blocking edge and a small top edge. The bearing has the load function of a high-bearing roller and the impact resistance function of an inner ring shaft, and the formed high-bearing tapered roller bearing has the functions of high-bearing radial load and axial load, and has the advantages of reasonable structure, convenience in assembly, high production efficiency and long service life.
Description
Technical Field
The utility model relates to the technical field of tapered roller bearings, in particular to an inner ring of a high-bearing 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 and the inner ring 4 are abraded in different degrees, the abraded tapered roller 3 and the inner ring 4 cannot 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 an inner ring of a high-bearing impact-resistant tapered roller bearing.
In order to realize the purpose, the utility model adopts the following technical scheme:
an inner ring of a high-bearing impact-resistant tapered roller bearing is a cone ring structure of an outer cone and an inner circle, and comprises: the roller raceway between the large cone ring gear and the small cone ring gear is set to be an arc-shaped protruding raceway, the arc-shaped protruding section of the arc-shaped protruding raceway is a streamline arc protrusion, and the streamline arc protrusion of the arc-shaped protruding raceway is positioned in the middle of the roller raceway between the large cone ring gear and the small cone ring gear; the large blocking section of the conical ring is an inclined triangular body with a large top and a small bottom and comprises a large end edge, a large blocking edge and a large top edge, and the small blocking section of the conical ring is a trapezoidal body with a small top and a large bottom and comprises a small end edge, a small blocking edge and a small top edge; the large end edge of the large conical ring baffle is parallel to the small end edge of the small conical ring baffle, and the large flange of the large conical ring baffle is parallel to the small flange of the small conical ring baffle; the big top edge of the big cone ring baffle and the small top edge of the small cone ring baffle are in the same straight line direction.
The inner ring of the high-bearing impact-resistant tapered roller bearing is characterized in that the arc protruding position of the arc protruding raceway is positioned on the roller raceway which is far from the tapered ring.
The inner ring of the high-bearing impact-resistant tapered roller bearing is characterized in that the arc protruding position of the arc protruding raceway is positioned on the roller raceway which is close to the tapered ring by a small distance.
The included angle between the large top edge and the large end edge of the large baffle of the conical ring 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.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model provides a high inner circle that bears shock-resistant tapered roller bearing, through the design preparation of the protruding raceway of arc of roller raceway, has the high load function that bears the roller, still has the impact function of resistant inner race axle, and its structure cooperates through the roller and the outer lane of design, and the high tapered roller bearing that bears who constitutes has the high radial load and the single direction axial load function that bears, and its structural design is reasonable, simple manufacture, convenient assembling, and 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 diagram of the structure of an inner ring of the high-load tapered roller bearing;
FIG. 3 is a schematic view of a roller structure of a 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, an inner ring 4 of a high-load-bearing impact-resistant tapered roller bearing is of a cone ring structure with an outer cone and an inner cone, and includes: 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 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.
The arc protruding position of the arc protruding raceway of the inner ring of the high-bearing impact-resistant tapered roller bearing can also be positioned on the roller raceway which is close to the tapered ring by a large distance. The arc protruding position of the arc protruding roller path can also be positioned on the roller path which is close to the small distance of the conical ring. The included angle between the large top edge and the large end edge of the large baffle of the conical ring of the inner ring of the high-bearing impact-resistant tapered roller bearing 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.
Example 1
The utility model provides a high inner circle 4 that bears shock-resistant tapered roller bearing bears the weight of shock-resistant tapered roller bearing of high through the high impact-resistant tapered roller bearing that bears who assembles with roller 3, holder 2, outer lane 1, wherein adopt outer lane 1 is the ring body structure of the interior cone of excircle, include: the large ring body gear, the small ring body gear and the outer ring roller raceway 1.3, the outer ring roller raceway 1.3 between the large ring body gear and the small ring body gear is set to be an arc-protruding raceway, and the arc-protruding section of the arc-protruding raceway is a streamline roller arc-protruding part. The streamline arc protrusion of the arc protrusion raceway is positioned in the middle of the roller raceway between the large ring body gear and the small ring body gear; the large blocking section of the ring body is a trapezoid body with a small top and a large bottom, and comprises an outer ring large end edge 1.6, an outer ring large blocking edge 1.4 and an outer ring large top edge 105;
the small baffle section of the ring body is an inclined triangular body with a large top and a small bottom, and comprises an outer ring small end edge 1.7, an outer ring small baffle edge 1.2 and an outer ring small top edge 1.1; the outer ring large end edge 1.6 of the ring body large baffle is parallel to the outer ring small end edge 1.7 of the ring body small baffle, and the outer ring large baffle edge 1.4 of the ring body large baffle is parallel to the outer ring small baffle edge 1.2 of the ring body small baffle; the large top edge 1.5 of the outer ring of the large ring block and the small top edge 1.1 of the outer ring of the small ring block are in the same straight line direction. The included angle between the large top edge of the large retainer of the ring body of the outer 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 retaining edge is set to be a chamfer. The included angle between the small top edge of the small baffle of the ring body and the small end edge is set to be a chamfer, and the included angle between the small top edge and the small baffle edge is set to be a chamfer. As shown in fig. 4.
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 roller 3 is a tapered curved roller body having a curved body with a thin middle and gradually enlarged ends, and 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. As shown in fig. 3.
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 (4)
1. The utility model provides a high inner circle that bears shock-resistant tapered roller bearing, is the cone ring structure of circle in the outer awl, characterized by: the method comprises the following steps: the roller raceway between the large cone ring gear and the small cone ring gear is set to be an arc-shaped protruding raceway, the arc-shaped protruding section of the arc-shaped protruding raceway is a streamline arc protrusion, and the streamline arc protrusion of the arc-shaped protruding raceway is positioned in the middle of the roller raceway between the large cone ring gear and the small cone ring gear; the large blocking section of the conical ring is an inclined triangular body with a large top and a small bottom and comprises a large end edge, a large blocking edge and a large top edge, and the small blocking section of the conical ring is a trapezoidal body with a small top and a large bottom and comprises a small end edge, a small blocking edge and a small top edge; the large end edge of the large conical ring baffle is parallel to the small end edge of the small conical ring baffle, and the large flange of the large conical ring baffle is parallel to the small flange of the small conical ring baffle; the big top edge of the big cone ring baffle and the small top edge of the small cone ring baffle are in the same straight line direction.
2. The inner ring of a high load-bearing impact-resistant tapered roller bearing according to claim 1, wherein: and the arc protruding position of the arc protruding roller path is positioned on the roller path which is close to the conical ring.
3. The inner ring of a high load-bearing impact-resistant tapered roller bearing according to claim 1, wherein: and the arc protruding position of the arc protruding roller path is positioned on the roller path which is close to the small distance of the conical ring.
4. The inner ring of a high load-bearing impact-resistant tapered roller bearing according to claim 1, wherein: the included angle between the large top edge of the large baffle of the conical ring 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639705.3U CN215634450U (en) | 2021-03-30 | 2021-03-30 | Inner ring of high-bearing impact-resistant tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120639705.3U CN215634450U (en) | 2021-03-30 | 2021-03-30 | Inner ring of high-bearing impact-resistant tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634450U true CN215634450U (en) | 2022-01-25 |
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ID=79913926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120639705.3U Expired - Fee Related CN215634450U (en) | 2021-03-30 | 2021-03-30 | Inner ring of high-bearing impact-resistant tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634450U (en) |
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2021
- 2021-03-30 CN CN202120639705.3U patent/CN215634450U/en not_active Expired - Fee Related
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| 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 |