CN217736030U - Tapered roller bearing load-increasing structure and automobile gear box transmission support bearing - Google Patents
Tapered roller bearing load-increasing structure and automobile gear box transmission support bearing Download PDFInfo
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- CN217736030U CN217736030U CN202221872007.9U CN202221872007U CN217736030U CN 217736030 U CN217736030 U CN 217736030U CN 202221872007 U CN202221872007 U CN 202221872007U CN 217736030 U CN217736030 U CN 217736030U
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Abstract
The utility model provides a tapered roller bearing load-increasing structure and car gear box transmission support bearing. Belongs to the technical field of automobile parts. The bearing mainly solves the problem that a manufacturer cannot change the spatial layout position of related parts of a gear box when needing a large-size bearing with high bearing capacity. It is mainly characterized in that: the device comprises a load-increasing rear transmission support bearing, which consists of an outer ring, an inner ring, a rolling body and a retainer; the height of the transmission support bearing after load increase is equal to the sum of the height of the transmission support bearing before load increase and the thickness of the outer boss, and is less than or equal to the installation height of the automobile gear box; the inner diameter and the outer diameter of the transmission support bearing after load increase are the same as those of the transmission support bearing before load increase. The utility model has the characteristics of but make full use of gear box inner space, keep the general assembly height of pristine condition bearing unchangeable and the multiplicable 20% of bearing capacity about, mainly used improves automobile gear box shafting both ends support position automobile gear box transmission support bearing's bearing capacity.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, concretely relates to tapered roller bearing carries structure and by its car gear box transmission support bearing who constitutes, the product is applied to car gear box shafting both ends position.
Background
The space position in the automobile transmission gear box is compact, and the bearing design selection meets the design space requirement and the bearing capacity requirement under various load spectrums. A commonly used structure of a transmission support bearing of an automobile gearbox is a common tapered roller bearing, as shown in figure 1, in the practical application process, the spatial layout of the gearbox needs to be readjusted due to the fact that the bearing capacity is insufficient, and the size of the bearing is increased. The height of the conventional tapered roller bearing shown in fig. 1, i.e., the distance between the outer ring large end face and the inner ring large end face, is T.
Through the analysis of the layout space of the gear box, the adjustable margin after the internal design of the gear box is almost very small, and a host manufacturer generally cannot adjust redundant space positions for the bearing. Under the condition, a bearing manufacturer needs to improve the design of a bearing structure in a limited space to increase the bearing capacity of the bearing so as to meet the requirement of working conditions.
At present, after the transmission support bearing of the automobile gear box is arranged at two ends of a shafting of the automobile gear box, only an idle space exists in the automobile gear box in the axial direction, and the idle axial space in the automobile gear box is only utilized to increase the bearing capacity of the bearing so as to meet the requirement of a host manufacturer on working condition load.
Disclosure of Invention
One of the objectives of the present invention is to provide a tapered roller bearing load-increasing structure. The utility model discloses a further aim at provides an automobile gear box transmission support bearing who contains load-carrying structure, under the prerequisite that does not change original gear box spatial position, idle axial and radial space in the make full use of gear box carry out redesign to bearing internal dimension, provide a bearing design scheme of high bearing capacity to satisfy host computer producer's operating mode load requirement.
The utility model discloses technical solution of load-increasing structure is: the utility model provides a tapered roller bearing carries structure, includes the inner circle, its characterized in that: and an outer boss is arranged at the position corresponding to the outer diameter of the large end surface of the inner ring.
The utility model discloses among the technical solution of load-increasing structure outer boss set up on the position of the big terminal surface of inner circle and inner circle external diameter handing-over.
The utility model discloses among the technical solution of load-increasing structure outer boss begin from the big terminal surface of inner circle and arrange along 360 of circumference.
The utility model discloses among the technical solution of load-increasing structure the little terminal surface internal diameter of inner circle meet corresponding position and be equipped with interior boss.
The utility model discloses among the technical solution of load-carrying structure the inner boss set up on the position of the little terminal surface of inner circle and inner circle internal diameter handing-over.
The utility model discloses among the technical solution of load-carrying structure the interior boss protruding in the little terminal surface of inner circle and 360 arrange along the circumference.
The utility model discloses transmission support bearing's technical solution can be: the utility model provides an automobile gear box transmission support bearing who contains loading structure which characterized in that: the device comprises a load-increasing rear transmission support bearing, which consists of an outer ring, an inner ring, a rolling body and a retainer; the height of the transmission support bearing after load increase is equal to the sum of the height of the transmission support bearing before load increase and the thickness of the outer boss, and is less than or equal to the installation height of the automobile gear box; the inner diameter and the outer diameter of the transmission support bearing after load increase are the same as those of the transmission support bearing before load increase.
The utility model discloses transmission support bearing's technical solution can also be: the utility model provides an automobile gear box transmission support bearing who contains load-increasing structure which characterized in that: the device comprises a load-increasing rear transmission support bearing, which consists of an outer ring, an inner ring, a rolling body and a retainer; the height of the transmission support bearing after load increase is equal to the sum of the height of the transmission support bearing before load increase and the thickness of the outer boss, and is less than or equal to the installation height of the automobile gear box; the inner diameter and the outer diameter of the transmission support bearing after the load is increased are the same as those of the transmission support bearing before the load is increased; the outer end face of the inner boss is positioned inside or outside the large end face of the outer ring.
The utility model discloses among the technical solution of transmission support bearing the load-increasing back transmission support bearing's rolling body length and external diameter be greater than before the load-increasing rolling body length and the external diameter of transmission support bearing.
The utility model discloses a transmission support bearing technical solution in the raceway size of outer lane and inner circle can wholly outwards extend.
The utility model discloses following positive effect has:
the utility model discloses tapered roller bearing, make full use of gear box inner space, inner circle terminal surface set up the circumference boss, and the raceway size can wholly outwards extend, increases roller length size, and bearing capacity multiplicable about 20%.
The utility model discloses tapered roller bearing can keep the original condition bearing assembly height unchangeable, and the bearing external diameter is unchangeable, and the internal diameter is unchangeable to make the host computer producer need not to readjust gear box part overall arrangement.
The utility model discloses mainly used improves automobile gear case shafting both ends support position automobile gear case transmission support bearing's bearing capacity.
Drawings
FIG. 1 is a schematic diagram of a conventional structure of a transmission support bearing of an automobile gearbox.
Fig. 2 is a schematic view of the assembly structure of the present invention.
Fig. 3 is a schematic view of the inner ring structure of the present invention.
In the figure: 01. an outer ring; 02. an inner ring; 03. a rolling body; 04. a cage; 05. an outer boss; 06. an inner boss.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2-3. The utility model relates to an embodiment that contains automobile gear box transmission support bearing of load-increasing structure for load-increasing back transmission support bearing comprises outer lane 01, inner circle 02, rolling element 03 and holder 04 etc.. The height of the transmission support bearing after load increase is equal to the sum of the height T of the transmission support bearing before load increase and the thickness of the outer boss 05, and is less than or equal to the installation height of the automobile gear box. The inner diameter and the outer diameter of the transmission support bearing after loading are the same as those of the transmission support bearing before loading.
The inner ring 02 has the same structure and the same inner diameter as the inner ring of the transmission support bearing before load increase except for the sizes of the outer boss 05, the inner boss 06 and the raceway. The inner ring of the transmission support bearing before load increase is the inner ring of a conventional conical bearing. The outer boss 05 is arranged at a position corresponding to the joint of the large end face of the inner ring 02 and the outer diameter of the inner ring 02, and the outer boss 05 is arranged at 360 degrees on the circumference of the large end face of the inner ring. The thickness and the radial dimension of the outer boss 05 are reasonably designed according to the installation space in the automobile gearbox and the bearing capacity needing to be improved, but the sum of the thickness and the dimension of the outer boss 05 and the height T of the transmission support bearing before load increase should not exceed the installation height of the automobile gearbox. The inner boss 06 is arranged at the position where the small end face of the inner ring 02 is connected with the inner diameter of the inner ring 02, and the inner boss 06 is arranged at 360 degrees on the circumference of the small end face of the inner ring 02. The outer end face of the inner boss 06 is located inside or outside the large end face of the outer ring 01, and the height of the transmission support bearing after load increase is not changed or influenced.
The outer ring 01 is the same as the outer ring structure of the transmission support bearing before load increase except for the size and height of a raceway, and the outer diameter is the same. The outer ring of the transmission support bearing before load increase is the outer ring of a conventional conical bearing.
The rolling elements 03 are identical in structure to the rolling elements of the transmission support bearing before load increase except for length and outer diameter dimensions. The rolling body of the transmission support bearing before load increase is the rolling body of a conventional conical bearing.
The cage 04 is identical in structure to the cage of the drive support bearing before the load is added, except for the length and width dimensions of the window hole. The retainer of the transmission support bearing before load increase is a retainer of a conventional conical bearing.
After the large end face and the small end face of the inner ring 02 are respectively provided with the circumferential outer boss 05 and the circumferential inner boss 06, the sizes of the raceways of the inner ring 02 and the outer ring 01 can integrally extend outwards, the length and the outer diameter of the rolling body 03 can be increased, and the bearing capacity of the transmission support bearing is obviously increased after load is increased.
The utility model discloses under the prerequisite that does not change original gear box spatial position and bearing total assembly height, idle axial and radial space in the make full use of gear box carry out redesign to bearing inner dimension, increase the roller size, and the bearing capacity of bearing can improve about 20% to satisfy the operating mode load requirement of host computer producer.
The utility model discloses a load-carrying structure still can be used to improve the bearing capacity that does not have radial installation idle space and has the ordinary tapered roller bearing of axial installation idle space to satisfy its operating mode requirement.
Claims (10)
1. A tapered roller bearing carries structure, includes inner circle (02), its characterized in that: and an outer boss (05) is arranged at the position corresponding to the outer diameter of the large end surface of the inner ring (02).
2. The tapered roller bearing load-increasing structure according to claim 1, characterized in that: the outer boss (05) is arranged at the position where the large end surface of the inner ring (02) is connected with the outer diameter of the inner ring.
3. A tapered roller bearing load-increasing structure according to claim 2, characterized in that: the outer boss (05) starts from the large end face of the inner ring (02) and is arranged along the circumference by 360 degrees.
4. A tapered roller bearing load-increasing structure according to claim 1, 2 or 3, characterized in that: an inner boss (06) is arranged at the position corresponding to the inner diameter of the small end face of the inner ring (02).
5. The tapered roller bearing load-increasing structure according to claim 4, characterized in that: the inner boss (06) is arranged at the position where the small end surface of the inner ring (02) is connected with the inner diameter of the inner ring.
6. The tapered roller bearing load-increasing structure according to claim 5, characterized in that: the inner boss (06) starts from the small end face of the inner ring (02) and is arranged along the circumference by 360 degrees.
7. An automotive gearbox drive support bearing comprising the load-carrying structure according to any one of claims 1 to 6, characterized in that: the device comprises a load-increasing rear transmission support bearing, which consists of an outer ring (01), an inner ring (02), a rolling body (03) and a retainer (04); the height of the transmission support bearing after load increase is equal to the sum of the height (T) of the transmission support bearing before load increase and the thickness of the outer boss (05), and is less than or equal to the installation height of the automobile gear box; the inner diameter and the outer diameter of the transmission support bearing after load increase are the same as those of the transmission support bearing before load increase.
8. An automotive gearbox drive support bearing comprising the load-carrying structure according to any one of claims 4 to 6, characterized in that: the device comprises a load-increasing rear transmission support bearing, which consists of an outer ring (01), an inner ring (02), a rolling body (03) and a retainer (04); the height of the transmission support bearing after load increase is equal to the sum of the height (T) of the transmission support bearing before load increase and the thickness of the outer boss (05), and is less than or equal to the installation height of the automobile gear box; the inner diameter and the outer diameter of the transmission support bearing after the load is increased are the same as those of the transmission support bearing before the load is increased; the outer end face of the inner boss (06) is positioned inside or outside the large end face of the outer ring (01).
9. The automotive gearbox transmission support bearing with load-carrying structure as set forth in claim 7 or 8, wherein: the length and the outer diameter of a rolling body (03) of the transmission support bearing after the load is increased are larger than those of the rolling body of the transmission support bearing before the load is increased.
10. The automotive gearbox drive support bearing with load-carrying structure as set forth in claim 9, wherein: the size of the raceways of the outer ring (01) and the inner ring (02) can extend outwards integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221872007.9U CN217736030U (en) | 2022-07-20 | 2022-07-20 | Tapered roller bearing load-increasing structure and automobile gear box transmission support bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221872007.9U CN217736030U (en) | 2022-07-20 | 2022-07-20 | Tapered roller bearing load-increasing structure and automobile gear box transmission support bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736030U true CN217736030U (en) | 2022-11-04 |
Family
ID=83850011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221872007.9U Active CN217736030U (en) | 2022-07-20 | 2022-07-20 | Tapered roller bearing load-increasing structure and automobile gear box transmission support bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736030U (en) |
-
2022
- 2022-07-20 CN CN202221872007.9U patent/CN217736030U/en active Active
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