CN221170385U - Double-row cone bearing with integrated high-torque special-shaped holes - Google Patents
Double-row cone bearing with integrated high-torque special-shaped holes Download PDFInfo
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- CN221170385U CN221170385U CN202322916837.8U CN202322916837U CN221170385U CN 221170385 U CN221170385 U CN 221170385U CN 202322916837 U CN202322916837 U CN 202322916837U CN 221170385 U CN221170385 U CN 221170385U
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- hole
- bearing
- flower
- cone bearing
- torque
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- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 206010066054 Dysmorphism Diseases 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to the technical field of bearing product production, and particularly relates to an integrated double-row conical bearing with high-torque special-shaped holes. The metal retainer is adopted, so that the bearing is more durable and has long service life, and the problems of complex installation and damaged bearing precision are solved; the inner diameter of the inner ring is a flower-shaped inner hole, the contact area is large, large torque transmission can be realized, any shaft part is not required to be added, the structure is more stable, the installation and the disassembly are more convenient, and the technical skill requirement on installation personnel is not high.
Description
Technical Field
The utility model relates to the technical field of bearing product production, in particular to an integrated double-row cone bearing with high-torque special-shaped holes.
Background
The double-row cone bearing is structurally characterized in that both the inner raceway and the outer raceway are of conical structures, and the contact points between the rollers and the raceways are conical, so that the double-row cone bearing has the capability of bearing radial and axial loads. The main application field of the double-row cone bearing is engineering machinery, the working environment of the engineering machinery is usually bad, and the engineering machinery needs to bear larger load and impact, so that a bearing with high strength and high wear resistance needs to be used.
The traditional double-row conical bearing comprises two parts such as an outer ring, an inner ring, rollers, a retainer and the like, wherein the inner rings are cylindrical holes in inner diameter and are used for being installed in interference fit or transition fit with a shaft matched with the inner rings.
The prior structure needs to be provided with the shaft part matched with the inner ring if torque transmission is to be realized, and the spline is machined in the inner hole of the shaft part to realize real torque transmission, but the complexity and the machining cost of installation are increased, the technical skill requirements on installation personnel are high, and the improper installation mode can greatly influence the bearing quality.
The processing technology of the shaft part for processing the spline can transmit torque, but has higher processing precision requirement on the internal and external spline, increases cost and is not suitable for transmitting large torque in engineering machinery.
Disclosure of utility model
The utility model aims to provide an integrated double-row cone bearing with high-torque special-shaped holes, which solves the problems of increased shaft parts, complex installation and inapplicability to large torque transmission in the technical background.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an integrated high moment of torsion dysmorphism hole's biserial cone bearing, includes two outer lanes, an integrated inner circle, two rows of tapered rollers and two iron holders, with the integrated inner circle of two inner circles of traditional structure bearing, possesses rigidity, stable in structure's characteristics. And the metal retainer is adopted, so that the device is more durable and has long service life.
As a preferable technical scheme of the utility model, the inner diameter of the inner ring is directly processed into the inner hole with the flower-shaped structure to transmit torque, and the contact surface of the inner hole with the flower-shaped structure is large, so that great torque transmission can be realized, and the service life of the bearing is prolonged. The shaft parts and the processing spline are not required to be added, the structure is more stable, and the installation and the disassembly are more convenient.
As a preferable technical scheme of the utility model, the inner hole of the flower-shaped structure is machined by adopting forming broaching on the basis of positioning the inner diameter of the turning, so that the concentricity of the inner hole of the flower-shaped structure and the roller path is ensured, the inner hole of the flower-shaped structure and each end face adopt fillet transition, and the stress concentration is reduced.
As a preferable technical scheme of the utility model, the assembly high dimensional tolerance of the two outer rings of the outer ring and the inner ring is controlled to be within 0-0.2, and the assembly high dimensional tolerance of the inner ring to the large end face of the outer ring is controlled to be within 0-0.1.
By adopting the technical scheme, the inner ring is integrated into a whole, so that the installation is simplified, the bearing has the characteristics of good rigidity and stable structure, and the problems of complex installation and damaged bearing precision are solved; the inner diameter of the inner ring is a flower-shaped inner hole, the contact area is large, large torque transmission can be realized, any shaft part is not required to be added, the structure is more stable, the installation and the disassembly are more convenient, and the technical skill requirement on installation personnel is not high.
Drawings
FIG. 1 is a front view of the structure of an integrated high torque shaped hole double row cone bearing of the present utility model;
FIG. 2 is an axial view of the inner race of the double row cone bearing with integrated high torque shaped holes according to the present utility model;
The reference numerals are as follows:
1-outer race, 2-inner race, 4-rollers, 7-metal cage in FIG. 1; in the second figure, the inner holes of the 21-flower-shaped structures are 21 a-round inner holes and 21 b-square inner holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an integrated high moment of torsion dysmorphism hole's biserial cone bearing, includes two outer lane 1, inner circle 2, two rows of rollers 4 and two metal holders 7, two inner circle 2 both sides are arranged in to two outer lane 1 symmetry, and two rows of rollers 4 are arranged in between inner circle 2 and the outer lane 1 through the holder 7, and rethread riveting instrument carries out the riveting respectively to two holders 7 and resets.
The inner ring 2 is provided with an inner hole 21 with a flower-shaped structure, and is in fillet transition with each end face. The inner hole 21 of the flower-shaped structure is machined by forming broaching on the basis of positioning the inner diameter of the inner ring 2 in the turning process, so that concentricity of the inner hole of the flower-shaped structure and the roller path is ensured.
The assembly height of the two outer rings 1 of the inner ring 2 and the outer ring 1 is controlled to be within 0-0.2, and the assembly height from the inner ring to the large end surface of the outer ring 1 is controlled to be within 0-0.1.
The double-row cone bearing with the integrated high-torque special-shaped holes has the beneficial effects that: the inner ring 2 is of an integrated integral structure, the bearing structure is more stable, the rigidity is better, and the installation and the disassembly are more convenient. The problem that the bearing precision is affected due to the fact that the raceway is deformed due to interference or transition fit in the installation process, the product quality is further adversely affected, and the service life is affected is mainly solved, and meanwhile the risk that the product quality is affected due to the fact that the installation mode is unsuitable is also reduced.
The inner ring 2 is provided with a flower-shaped inner hole 21, the flower-shaped inner hole 21 is formed by combining a circular inner hole 21a and a square inner hole 21b, the side length of the square inner hole 21b accounts for 90% -95% of the diameter of the circular inner hole 21a, the flower-shaped inner hole 21 is positioned by turning the circular inner hole, the shape and position precision of the flower-shaped inner hole and a roller path is guaranteed by adopting a shaping broaching process, the flower-shaped inner hole is machined on the inner diameter of the inner ring 2 to realize the transmission of large torque, the problem that a shaft part is required to be added to machine a spline to realize the transmission of small torque in the traditional process is solved, and the quality is improved. The inner hole of the flower-shaped structure and each end face adopt fillet transition, so that stress concentration is reduced.
Claims (3)
1. The utility model provides a biserial cone bearing in integrated high moment of torsion dysmorphism hole, includes two outer lane (1), inner circle (2), two rows of rollers (4) and two metal holder (7), two inner circle (2) both sides are arranged in to two outer lane (1) symmetry, and two rows of rollers (4) are arranged in between inner circle (2) and outer lane (1) through holder (7), inner circle (2) are equipped with flower-shaped structure hole (21), and flower-shaped structure hole (21) are formed by circular hole (21 a) and square hole (21 b) combination, and wherein square hole (21 b) side length accounts for circular hole (21 a) diameter ratio at 90% -95%, and flower-shaped structure hole (21) are with car processing circular hole location.
2. An integrated high torque profiled bore double row cone bearing as claimed in claim 1, wherein: the inner ring (2) is of an integrated integral structure.
3. An integrated high torque profiled bore double row cone bearing as claimed in claim 1, wherein: the high dimensional tolerance of the inner ring (2) and the outer ring (1) for controlling the assembly of the two outer rings (1) is within 0-0.2, and the high dimensional tolerance of the inner ring (2) to the large end face of the outer ring (1) is within 0-0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916837.8U CN221170385U (en) | 2023-10-30 | 2023-10-30 | Double-row cone bearing with integrated high-torque special-shaped holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916837.8U CN221170385U (en) | 2023-10-30 | 2023-10-30 | Double-row cone bearing with integrated high-torque special-shaped holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170385U true CN221170385U (en) | 2024-06-18 |
Family
ID=91531647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322916837.8U Active CN221170385U (en) | 2023-10-30 | 2023-10-30 | Double-row cone bearing with integrated high-torque special-shaped holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170385U (en) |
-
2023
- 2023-10-30 CN CN202322916837.8U patent/CN221170385U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |