CN201633472U - Rear drive axle assembly with disc brake - Google Patents
Rear drive axle assembly with disc brake Download PDFInfo
- Publication number
- CN201633472U CN201633472U CN2009202336473U CN200920233647U CN201633472U CN 201633472 U CN201633472 U CN 201633472U CN 2009202336473 U CN2009202336473 U CN 2009202336473U CN 200920233647 U CN200920233647 U CN 200920233647U CN 201633472 U CN201633472 U CN 201633472U
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- Prior art keywords
- brake
- disc brake
- wheel hub
- wheel
- inter
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- Expired - Lifetime
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Abstract
The utility model provides a rear drive axle assembly with a disc brake, which has simple mounting structure, is convenient, stable and reliable. The rear drive axle assembly with the disc brake comprises a rear axle housing, an axle shaft, a main speed reducer and an inter-wheel differential; the main speed reducer and the inter-wheel differential are respectively mounted in a main speed reducer housing and the rear axle housing, and a wheel hub is mounted on the rear axle housing by a wheel hub inner bearing and a wheel hub outer bearing; the main speed reducer, the inter-wheel differential, the axle shaft and the wheel hub are sequentially connected with each other; a brake caliper assembly of the disc brake is fixed on the rear axle housing by a transition bracket; and a brake disc of the disc brake is fixed on the wheel hub.
Description
Technical field
The utility model relates to the rear driving axle assembly.
Background technology
Existing home market large-tonnage trucks, large and medium bus use turns to that the part brake overwhelming majority is drum brake assembly in the rear driving axle assembly.In using the drum brake mechanism process, problems such as brake wheel heating, brake wheel fracture, squeal, braking failure happen occasionally, and because brake system plays an important role in the car load use, the traffic accident major part that causes because of the drg problem all can produce very big property damage or personal injury, along with improving and the lifting of automobile manufacture industry standard of state's laws rules, adopt the rear driving axle assembly of plate disc brake structure progressively to popularize.
Compare with drum brake mechanism, plate disc brake has following advantage: the brake efficiency height, hysteretic loss is little, thermostable type good, good heat dissipation effect, safe, in light weight.Compare the rear driving axle assembly that same model has drum brake mechanism, whole bridge weight can alleviate about 60Kg the oil consumption of reduction car load that also can be indirect.
But in the existing rear driving axle assembly with plate disc brake, the connection structure more complicated of plate disc brake and rear driving axle assembly, cost is higher.
Summary of the invention
The purpose of this utility model provides simple, the convenient and reliable and stable rear driving axle assembly with plate disc brake of a kind of mounting structure.
The rear driving axle assembly that this has plate disc brake comprises rear-axle casing, semiaxis, wheel hub, main reduction gear, inter-wheel differential; Main reduction gear and inter-wheel differential are installed in respectively in final drive casing and the rear-axle casing, and wheel hub passes through the inside and outside bearing installation of wheel hub on rear-axle casing; Main reduction gear, inter-wheel differential, semiaxis, wheel hub are connected successively; Brake caliper assembly in the plate disc brake is fixed on the rear-axle casing by transition bracket; The brake disc of plate disc brake is fixed on the wheel hub.
The beneficial effects of the utility model: by transition bracket the brake caliper assembly in the plate disc brake is positioned on the rear-axle casing, easy to connect, use reliable.
As improvement, braking clamp body is installed on the transition bracket by bolt, and transition bracket is installed on the rear-axle casing by bolt.By bolted connection, easy accessibility.
As improvement, described plate disc brake is the plate disc brake of compression air brake.
Description of drawings
Fig. 1 is a rear driving axle assembly structure scheme drawing of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the connection diagram of compression air brake plate disc brake and rear-axle casing.
Fig. 4 is the transition bracket structural representation.
The specific embodiment
The assembly of drive axle shown in the figure is made up of main deceleration strip differential assembly 1, rear-axle casing 2, wheel hub 7, brake disc 10, brake caliper assembly 4 and semiaxis 3.Main reduction gear and inter-wheel differential are installed in respectively in final drive casing and the rear-axle casing, and wheel hub 7 is rotatably installed on the rear-axle casing 2 by hub inner bearing 8, wheel hub outer bearing 6; Semiaxis 3 rotates and is arranged in the rear-axle casing 2.Main reduction gear, inter-wheel differential, semiaxis 3, wheel hub 7, brake disc 10 are connected successively.The flange of semiaxis outer end is connected with wheel hub.Brake disc is connected with wheel hub by interior hexagonal cylinder head bolt.
The brake caliper assembly 4 of compression air brake plate disc brake installs 11 on rear axle housing assembly by transition bracket, and transition bracket 11 is installed on the rear-axle casing by interior hexagonal cylinder head bolt, and brake caliper assembly 4 is installed on the transition bracket by interior hexagonal cylinder head bolt.
During use, power passes to semiaxis from the input of gearbox output end through main reduction gear and inter-wheel differential, and the flange by the semiaxis outer end is passed to wheel through wheel hub at last.
Claims (3)
1. have the rear driving axle assembly of plate disc brake, comprise rear-axle casing, semiaxis, wheel hub, main reduction gear, inter-wheel differential; Main reduction gear and inter-wheel differential are installed in respectively in final drive casing and the rear-axle casing, and wheel hub passes through the inside and outside bearing installation of wheel hub on rear-axle casing; Main reduction gear, inter-wheel differential, semiaxis, wheel hub are connected successively; It is characterized in that: the brake caliper assembly in the plate disc brake is fixed on the rear-axle casing by transition bracket; The brake disc of plate disc brake is fixed on the wheel hub.
2. rear driving axle assembly according to claim 1 is characterized in that: described plate disc brake be the plate disc brake of compression air brake.
3. rear driving axle assembly according to claim 1 is characterized in that: brake caliper assembly is installed on the transition bracket by bolt, and transition bracket is installed on the rear-axle casing by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202336473U CN201633472U (en) | 2009-07-31 | 2009-07-31 | Rear drive axle assembly with disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202336473U CN201633472U (en) | 2009-07-31 | 2009-07-31 | Rear drive axle assembly with disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201633472U true CN201633472U (en) | 2010-11-17 |
Family
ID=43077953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202336473U Expired - Lifetime CN201633472U (en) | 2009-07-31 | 2009-07-31 | Rear drive axle assembly with disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201633472U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287403A (en) * | 2013-06-20 | 2013-09-11 | 东风汽车公司 | Air pressure disc brake and externally-threaded hub reduction gear arrangement structure assembly |
| CN103802602A (en) * | 2012-11-13 | 2014-05-21 | 中国重汽集团济南动力有限公司 | Single-stage speed reduction driving axle for heavy truck |
| CN105252967A (en) * | 2015-10-28 | 2016-01-20 | 芜湖蓬翔车桥有限公司 | Dual-purpose rear axle assembly |
| CN109572634A (en) * | 2018-12-20 | 2019-04-05 | 内蒙古北方重型汽车股份有限公司 | The dry disc type rear brake device of machine driving mine car |
-
2009
- 2009-07-31 CN CN2009202336473U patent/CN201633472U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802602A (en) * | 2012-11-13 | 2014-05-21 | 中国重汽集团济南动力有限公司 | Single-stage speed reduction driving axle for heavy truck |
| CN103287403A (en) * | 2013-06-20 | 2013-09-11 | 东风汽车公司 | Air pressure disc brake and externally-threaded hub reduction gear arrangement structure assembly |
| CN105252967A (en) * | 2015-10-28 | 2016-01-20 | 芜湖蓬翔车桥有限公司 | Dual-purpose rear axle assembly |
| CN109572634A (en) * | 2018-12-20 | 2019-04-05 | 内蒙古北方重型汽车股份有限公司 | The dry disc type rear brake device of machine driving mine car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |