CN201304854Y - Bearing unit of driving gear - Google Patents
Bearing unit of driving gear Download PDFInfo
- Publication number
- CN201304854Y CN201304854Y CNU2008201638537U CN200820163853U CN201304854Y CN 201304854 Y CN201304854 Y CN 201304854Y CN U2008201638537 U CNU2008201638537 U CN U2008201638537U CN 200820163853 U CN200820163853 U CN 200820163853U CN 201304854 Y CN201304854 Y CN 201304854Y
- Authority
- CN
- China
- Prior art keywords
- unit
- outer ring
- driving gear
- rolling
- bearing unit
- 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 - Lifetime
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a bearing unit of a driving gear, which comprises an outer ring of the unit, two inner rings, two conical rollers, two retainer and a lock catch. The two conical parallel inner rolling paths are arranged on the inner side of the outer ring of the unit and matched with outer rolling paths of the two inner rings respectively, forming two rolling raceways; the two inner rings are positioned and fixed via the lock catch; the two conic rollers are placed inside the two retainer respectively, guided by the retainer, and positioned inside the two rolling raceways in rolling contact; and the outer ring (1) of the unit is provided with a flange used for being directly connected with the casing of a bridge transition box. The bearing unit of the driving gear of the utility model is an entirety with adjusted pretightening force without other adjustment via an adjusting shim, and has the advantages of simplified structure, simple and convenient installation, reduction of production and assembly time for transmission mechanism in the bridge center in a double-linked drive as well as assurance of the best use effect of the bearing.
Description
[technical field]
The utility model relates to auto parts and components, relates in particular to the duplex that is used for heavy-duty commercial vehicle and drives the initiatively driving gear shaft bearing unit of the pivoting support of bevel pinion shaft of jackshaft central control mechanism.
[background technology]
The duplex of heavy-duty commercial vehicle drives in the jackshaft central control mechanism at present, and the pivoting support of driving gear all is to constitute with the single-row medium-sized tapered roller bearing mounted in pairs of two covers through the strictness apolegamy.Combine by a plurality of parts such as coro bearng, spacer ring, bearing seat, outer ring gland, bearings cap shim.
In fitting process, the bearing installation parts are more, and assembling is complicated, and the adjusting of bearing pre-fastening realizes by the bearing cap shim on the gland of adjust a bearing outer ring.And locating distance main, ring gear is to realize by the bearing cap shim of adjust a bearing shell and transition case joint face.Like this, in the central control mechanism fitting process, usually the adjustment because of the relative position of master, ring gear has changed the good bearing pre-fastening of adjusted, needs the predetermincd tension of repetition adjust a bearing again.And the adjustment effect of bearing pre-fastening directly has influence on bearing load carrying capacity, and this has restricted the quality that drives the jackshaft central control mechanism on the one hand, has also influenced the production efficiency of whole chassis fitting line on the other hand.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, a kind of driving gear shaft bearing unit is proposed, can adjust predetermincd tension and Stability Analysis of Structures in advance, can shorten duplex and drive jackshaft central control mechanism production time of setting up, and guarantee bearing unit result of use the best.
For achieving the above object, the utility model proposes a kind of driving gear shaft bearing unit, comprise outer ring, unit, two inner rings, two row tapered rollers, two width of cloth retainer and snap closes, the inboard of outer ring, described unit is provided with the parallel conical interior raceway of two row, cooperate with the outer raceway of two inner rings respectively, constitute two rolling raceways; Two inner rings are by the snap close positioning and fixing; Two row tapered rollers are placed in respectively in the two secondary retainers, and by the retainer guiding, two row tapered rollers lay respectively in two rolling raceways, with the raceway rolling touch; Have on the outer ring, unit 1 and be used for and the direct coupled flange of pontic transition tank shell.
As preferably, the center of gyration distance of described two row tapered rollers is 30mm-40mm, promptly at same installing space, in the bearing unit center of gyration of two row tapered rollers apart from than the center of gyration of original design apart from having increased 6mm～12mm, make driving gear shorten more than 5%, thereby effectively improved the rigidity of duplex driving jackshaft central control mechanism to the distance of bearing fulcrum.
As preferably, be symmetrically distributed with four oil holes around the outer ring, described unit.Four oil holes that distribute all around of bearing unit outer ring obtain to lubricate fully in the time of can ensureing taper roller running in it.
As preferably, the plain line of the outer raceway circular conical surface of the interior raceway of outer ring, described unit and inner ring all has convexity.Thereby make bearing unit can obtain higher load-carrying capacity, can significantly improve the rolling contact fatigue drag again, guarantee that bearing unit has very high reliability.
The beneficial effects of the utility model: the utility model driving gear shaft bearing unit is the integral body that predetermincd tension has been adjusted, do not need to adopt again bearing cap shim adjustment, can be directly installed on the pontic transition tank shell, simple installation, shorten duplex greatly and driven jackshaft central control mechanism production time of setting up, and guaranteed bearing unit result of use the best.Not only improve the quality of driving jackshaft central control mechanism, and improved the production efficiency of whole chassis fitting line.Improved load-carrying capacity and the serviceability of heavy duty truck with double drive axle, simultaneously because the bearing unit installation and maintenance are very convenient, improve the production efficiency of assembling and the quality of double drive axle central control mechanism greatly, had extraordinary economic benefit and social benefit.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of the utility model driving gear shaft bearing unit.
[specific embodiment]
Consult Fig. 1, the driving gear shaft bearing unit comprises outer ring, unit 1, two inner rings 2, two row tapered rollers 3, two width of cloth retainers 4 and snap closes 5, and the inboard of outer ring, described unit 1 is provided with raceway in parallel conical of two row, cooperate with the outer raceway of two inner rings 2 respectively, constitute two rolling raceways; Two inner rings 2 are by snap close 5 positioning and fixing; Two row tapered rollers 3 are placed in respectively in the two secondary retainers 4, and by retainer 4 guiding, two row tapered rollers 3 lay respectively in two rolling raceways, with the raceway rolling touch; Have on the outer ring, unit 1 and be used for and the direct coupled flange of pontic transition tank shell.Whole unit is a fixing integral body, and its predetermincd tension is adjusted, and does not need that bearing cap shim is set again and regulates, and simplifies the structure, and has improved production efficiency.
In limited installing space, the center of gyration distance of described two row tapered rollers 3 is 30mm-40mm, promptly with original same installing space, in the bearing unit center of gyration of two row tapered rollers apart from than the center of gyration of original design apart from having increased 6mm～12mm, make driving gear shorten more than 5%, thereby effectively improved the rigidity of duplex driving jackshaft central control mechanism to the distance of bearing fulcrum.Be symmetrically distributed with four oil holes 6 around the outer ring, described unit 1.Obtain lubricated fully in the time of can ensureing taper roller 3 runnings in it.The plain line of the outer raceway circular conical surface of the interior raceway of outer ring, described unit 1 and inner ring 2 all has convexity.Taper roller 3 assemblies adopt the preferential optimal design of intensity, and roller end face is a spherical crown.Thereby make bearing unit can obtain higher load-carrying capacity, can significantly improve the rolling contact fatigue drag again, guarantee that bearing unit has very high reliability.
In the above main drive gear bearing unit assembly process, mix up bearing pre-fastening in advance.
The application of this later-model driving gear shaft bearing unit, further improved load-carrying capacity and the serviceability of heavy duty truck with double drive axle, simultaneously because the bearing unit installation and maintenance are very convenient, improve the production efficiency of assembling and the quality of double drive axle central control mechanism greatly, had extraordinary economic benefit and social benefit.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (4)
1. driving gear shaft bearing unit, it is characterized in that: comprise outer ring, unit (1), two inner rings (2), two row tapered rollers (3), two width of cloth retainers (4) and snap close (5), the inboard of outer ring, described unit (1) is provided with the parallel conical interior raceway of two row, outer raceway with two inner rings (2) cooperates respectively, constitutes two rolling raceways; Two inner rings (2) are by snap close (5) positioning and fixing; Two row tapered rollers (3) are placed in respectively in the two secondary retainers (4), and by retainer (4) guiding, two row tapered rollers (3) lay respectively in two rolling raceways, with the raceway rolling touch; Have on the outer ring, unit 1 and be used for and the direct coupled flange of pontic transition tank shell.
2. driving gear shaft bearing unit as claimed in claim 1 is characterized in that: the center of gyration of described two row tapered rollers (3) is apart from being 30mm-40mm.
3. driving gear shaft bearing unit as claimed in claim 1 is characterized in that: be symmetrically distributed with four oil holes (6) around the outer ring, described unit (1).
4. as claim 1 or 2 or 3 described driving gear shaft bearing units, it is characterized in that: the plain line of the outer raceway circular conical surface of the interior raceway of outer ring, described unit (1) and inner ring (2) all has convexity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201638537U CN201304854Y (en) | 2008-09-02 | 2008-09-02 | Bearing unit of driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201638537U CN201304854Y (en) | 2008-09-02 | 2008-09-02 | Bearing unit of driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304854Y true CN201304854Y (en) | 2009-09-09 |
Family
ID=41097316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201638537U Expired - Lifetime CN201304854Y (en) | 2008-09-02 | 2008-09-02 | Bearing unit of driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304854Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391560B (en) * | 2008-09-02 | 2010-12-29 | 浙江兆丰机电股份有限公司 | Bearing unit of drive gear wheel |
| CN102767564A (en) * | 2012-08-01 | 2012-11-07 | 优必胜（苏州）轴承有限公司 | Gear bearing for planetary gear |
| CN103790945A (en) * | 2012-10-31 | 2014-05-14 | 优必胜(上海)精密轴承制造有限公司 | Second-generation tapered roller bearing of speed reducer industry |
| CN104121283A (en) * | 2014-06-25 | 2014-10-29 | 芜湖众绅机械制造有限公司 | Hub bearing unit for non-driving wheel |
| CN104121285A (en) * | 2014-06-25 | 2014-10-29 | 芜湖众绅机械制造有限公司 | High-precision heavy-load integrated hub unit with oil nozzle |
| CN104141691A (en) * | 2013-05-07 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Commercial vehicle tandem axle output end bearing |
| CN105937552A (en) * | 2016-06-30 | 2016-09-14 | 常州光洋轴承股份有限公司 | Flanged cylindrical roller bearing used for gearbox and preparation process for outer ring thereof |
| US12100417B2 (en) | 2021-09-07 | 2024-09-24 | Capital One Services, Llc | Systems and methods for detecting emotion from audio files |
-
2008
- 2008-09-02 CN CNU2008201638537U patent/CN201304854Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391560B (en) * | 2008-09-02 | 2010-12-29 | 浙江兆丰机电股份有限公司 | Bearing unit of drive gear wheel |
| CN102767564A (en) * | 2012-08-01 | 2012-11-07 | 优必胜（苏州）轴承有限公司 | Gear bearing for planetary gear |
| CN103790945A (en) * | 2012-10-31 | 2014-05-14 | 优必胜(上海)精密轴承制造有限公司 | Second-generation tapered roller bearing of speed reducer industry |
| CN104141691A (en) * | 2013-05-07 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Commercial vehicle tandem axle output end bearing |
| CN104141691B (en) * | 2013-05-07 | 2017-06-27 | 襄阳汽车轴承股份有限公司 | A kind of commercial car penetrating bridge exports end bearing |
| CN104121283A (en) * | 2014-06-25 | 2014-10-29 | 芜湖众绅机械制造有限公司 | Hub bearing unit for non-driving wheel |
| CN104121285A (en) * | 2014-06-25 | 2014-10-29 | 芜湖众绅机械制造有限公司 | High-precision heavy-load integrated hub unit with oil nozzle |
| CN105937552A (en) * | 2016-06-30 | 2016-09-14 | 常州光洋轴承股份有限公司 | Flanged cylindrical roller bearing used for gearbox and preparation process for outer ring thereof |
| US12100417B2 (en) | 2021-09-07 | 2024-09-24 | Capital One Services, Llc | Systems and methods for detecting emotion from audio files |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201304854Y (en) | Bearing unit of driving gear | |
| CN205639286U (en) | Planet pulls transmission speed reduction bearing | |
| CN201368188Y (en) | Supporting structure for planet gear | |
| CN101391560B (en) | Bearing unit of drive gear wheel | |
| CN201636203U (en) | Double-row tapered roller bearing for automobile main reducer | |
| CN104019213A (en) | Main reducer assembly with unit bearing with integrated flange and bearing base | |
| CN201347963Y (en) | Bidirectional thrust conical roller bearing | |
| CN201953705U (en) | Combined bearing for vertical planetary gear box of nuclear power circulating water pump | |
| CN204549726U (en) | A kind of novel double wrap sheave structure | |
| CN204004316U (en) | The integrated unit bearing master of bead bearing support subtracts assembly | |
| CN105658999A (en) | Support device for light-structure differential transmission device | |
| CN201763806U (en) | Wheel hub unit having three rows of angular-contact ball bearings | |
| CN108591251A (en) | Bearing unit of drive gear wheel | |
| CN201310561Y (en) | Gearbox bearing input mechanism | |
| CN203095371U (en) | Head sheave device of multi-rope friction type lifting machine | |
| CN203157648U (en) | Balanced suspension system using cone-shaped rubber bearings | |
| RU2649106C2 (en) | Towing bearing assembly for railway wheels | |
| CN203272023U (en) | Connecting structure of cabin under frame and main shaft | |
| CN201368131Y (en) | Integral retainer for oversize thrust roller bearing | |
| CN102213230B (en) | Combined bearing used for vertical epicyclic gearbox of nuclear power circulating water pump | |
| RU2469218C2 (en) | Assembly method of bearings of pure rolling on basis of standard rolling bodies | |
| CN205371582U (en) | Spacing antifriction structure of axial | |
| CN202579681U (en) | Support structure of transmission driving shaft | |
| CN202768744U (en) | Axle hub reduction gear assembly | |
| CN102996766B (en) | Dual-clutch transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHAOFENG MECHANICAL + ELECTRICAL CO., LTD Free format text: FORMER NAME: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee after: Zhejiang Zhaofeng Mechanical and Electronic Co., Ltd. Address before: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee before: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20080902 |