CN101508241A - Steer drive front-axle - Google Patents
Steer drive front-axle Download PDFInfo
- Publication number
- CN101508241A CN101508241A CNA2009101113222A CN200910111322A CN101508241A CN 101508241 A CN101508241 A CN 101508241A CN A2009101113222 A CNA2009101113222 A CN A2009101113222A CN 200910111322 A CN200910111322 A CN 200910111322A CN 101508241 A CN101508241 A CN 101508241A
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- Prior art keywords
- axle
- steering
- axle housing
- universal
- wheel hub
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- Arrangement And Driving Of Transmission Devices (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Retarders (AREA)
Abstract
The invention provides a steering drive front axle with simple structure and convenient maintenance, which comprises an axle case, braking devices, hubs, a transmission device and steering devices, wherein the axle case is approximately extended axially and has a hollow structure; the transmission device comprises a main reducer and universal transmission; the main reducer is arranged on the middle part on the inner side of the axle case for converting radial torque input of an engine to axial torque output; two braking devices are arranged on inner sides of the hubs at two ends of the axle case respectively; two hubs are rotatably arranged at the two ends of the axle case respectively; the universal transmission is arranged in a steering knuckle to transmit axial torque output of the main reducer to the hubs capable of rotating relative to the braking devices; the steering devices are arranged between the axle case and the hubs and control steering angles of the hubs through the steering knuckle to realize steering of an automobile; and a shaft housing for connecting a chassis of the automobile is integrally formed on the axle case. The steering drive front axle is mainly used for front drive of engineering machinery and agricultural machinery.
Description
Technical field
The present invention relates to a kind of steer drive front-axle, it is mainly used in the pre-driver of construction machinery and equipment and farm machinery.
Background technology
Steer drive front-axle has been known, it comprises axle housing, brake equipment, wheel hub, driving device and steering hardware, described axle housing roughly is and extends axially and for hollow structure, driving device comprises main reduction gear (comprising diff) and universal transmission two parts, main reduction gear (comprising diff) is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, brake equipment is located at the wheel hub inboard and is used for vehicle braked, two wheel hubs are located at the brake equipment outside respectively rotationally, universal transmission is located at and is used in the steering swivel axial moment of torsion output is delivered to wheel hub, like this when mounting of tyre is changeing on the hub, driving device converts the takeoff output of driving engine the rotation of tire to, and steering hardware is located at and is used to control the corner of two tires between axle housing and the wheel hub and then realizes turning to of automobile.This kind steer drive front-axle generally is fixed on the below, chassis of automobile by axle sleeve, when installing, at two connecting rods of axle housing outside welding, these two connecting rods and axle housing structure roughly triangular in shape, the other end of two connecting rods respectively with axle sleeve welding, be connected by bolt and connecting rod between the axle housing that also has and the axle sleeve.The weak point of aforementioned two kinds of axle sleeve fixed forms is the work capacitys that increase axle housing and chassis dismounting, and artificial the installation causes error to increase, and cost rises maintaining inconvenience.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, maintaining steer drive front-axle easily.
The technical solution adopted in the present invention is such: a kind of steer drive front-axle, comprise axle housing, brake equipment, wheel hub, driving device and steering hardware, described axle housing roughly is and extends axially and for hollow structure, driving device comprises main reduction gear and universal transmission two parts, main reduction gear is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at described wheel hub inboard, axle housing two ends respectively, two wheel hubs are located at the axle housing two ends respectively rotationally, universal transmission is located in the steering swivel and the axial moment of torsion output of main reduction gear is passed on the commentaries on classics hub that can rotate with respect to brake equipment, what steering hardware was located between axle housing and the wheel hub that the corner of controlling wheel hub by steering swivel realizes automobile turns to the one-body molded axle sleeve that is connected usefulness with car chassis that is provided with on the described axle housing.
Above-mentioned steer drive front-axle, described universal transmission comprises inner shaft, outer semiaxis and universal-joint, and inner shaft one end is connected with the axial moment of torsion mouth of main reduction gear, and the inner shaft other end is connected with universal-joint, outer semiaxis one end is connected with wheel hub, and the outer semiaxis other end is connected with universal-joint.
Above-mentioned steer drive front-axle, described two brake equipment inboards are respectively equipped with two steering swivels, described each steering swivel comprises and turns to endosphere and turn to ectosphere, described axle housing two ends are connected with the endosphere that turns to of steering swivel respectively, and described two brake equipments, wheel hub are connected with the ectosphere that turns to of each steering swivel respectively successively.
By adopting the aforementioned techniques scheme, the invention has the beneficial effects as follows: be used on the described propons and fixing axle sleeve and the one-body molded setting of axle housing in chassis, when casting, can disposablely finish axle housing the location of axle sleeve like this, need not the overwork amount in fixing with the chassis, maintaining is all very convenient; Further improving is by adopting aforementioned universal driving structure, make propons possess the function that turns to and drive simultaneously, and turns to light more flexibly.
Description of drawings
Fig. 1 is the block diagram of embodiment;
Fig. 2 is the block diagram at another visual angle of embodiment;
Fig. 3 is the universal-joint block diagram of embodiment;
The specific embodiment
With reference to figure 1, Fig. 2 and Fig. 3, embodiment discloses a kind of steer drive front-axle, comprise axle housing 1, brake equipment 2, wheel hub 3, driving device 4 and steering hardware 5, described axle housing 1 roughly is and extends axially and for hollow structure, here define propons and be fixed in chassis when below, along the normal direction of travel of automobile for radially, with this radially perpendicular direction be horizontal, the power of described driving engine is radially imported by transmission gearbox, axially output after main reduction gear (the comprising diff) transmission in flange 41 and axle housing 1.In the present embodiment, driving device 4 comprises main reduction gear (comprising diff) transmission and universal transmission two parts, main reduction gear (comprising diff) transmission is located at axle housing 1 middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, its flange 41 1 ends are used for being connected with the driving engine mouth, be converted to axial moment of torsion output through main reduction gear (the comprising diff) transmission in the axle housing 1, described universal transmission comprises inner shaft 43, outer semiaxis 42 and universal-joint 44, inner shaft 43 1 ends are connected with the axial moment of torsion mouth of main reduction gear (comprising diff), inner shaft 43 other ends are connected with universal-joint 44, outer semiaxis 42 1 ends are connected with wheel hub 2, outer semiaxis 42 other ends are connected with universal-joint 44, and the articulated position of inner shaft 43 and outer semiaxis 42 and universal-joint 44 is along universal-joint 44 the axial transfer torque smoothly that staggers mutually when making the hard-over of wheel hub 2 reach 40 ° still.Steering swivel comprises and turns to endosphere 52 and turn to ectosphere 51, be connected with the ectosphere 51 that turns to of two steering swivels respectively on each brake equipment 2, the two ends of described axle housing 1 connect with the endosphere 52 that turns to of corresponding steering swivel, main shaft 54 is passed through in turning to endosphere 52 and turning to of described steering swivel between the ectosphere 51, bearings etc. connect setting, can relatively rotate, and turn to two of two ends, axle housing 1 same side that hinged being provided with turns to oil cylinder 53 between the ectosphere 51, by turning to oil cylinder 53 to drive, but two of described axle housing 1 axial two ends turn to ectosphere 51 locking phases to realize motor turning, the one-body molded axle sleeve 12 that is connected usefulness with car chassis that is provided with on the described axle housing 1 for turning to endosphere 52 to rotate.
Claims (3)
1, a kind of steer drive front-axle, it is characterized in that: comprise axle housing, brake equipment, wheel hub, driving device and steering hardware, described axle housing roughly is and extends axially and for hollow structure, driving device comprises main reduction gear and universal transmission two parts, main reduction gear is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at described wheel hub inboard, axle housing two ends respectively, two wheel hubs are located at the axle housing two ends respectively rotationally, universal transmission is located in the steering swivel and the axial moment of torsion output of main reduction gear is passed on the commentaries on classics hub that can rotate with respect to brake equipment, what steering hardware was located between axle housing and the wheel hub that the corner of controlling wheel hub by steering swivel realizes automobile turns to the one-body molded axle sleeve that is connected usefulness with car chassis that is provided with on the described axle housing.
2, steer drive front-axle according to claim 1, it is characterized in that: described universal transmission comprises inner shaft, outer semiaxis and universal-joint, inner shaft one end is connected with the axial moment of torsion mouth of main reduction gear, the inner shaft other end is connected with universal-joint, outer semiaxis one end is connected with wheel hub, and the outer semiaxis other end is connected with universal-joint.
3, steer drive front-axle according to claim 1 and 2, it is characterized in that: described two brake equipment inboards are respectively equipped with two steering swivels, described each steering swivel comprises and turns to endosphere and turn to ectosphere, described axle housing two ends are connected with the endosphere that turns to of steering swivel respectively, and described two brake equipments, wheel hub are connected with the ectosphere that turns to of each steering swivel respectively successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101113222A CN101508241A (en) | 2009-03-24 | 2009-03-24 | Steer drive front-axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101113222A CN101508241A (en) | 2009-03-24 | 2009-03-24 | Steer drive front-axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101508241A true CN101508241A (en) | 2009-08-19 |
Family
ID=41000836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101113222A Pending CN101508241A (en) | 2009-03-24 | 2009-03-24 | Steer drive front-axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101508241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774404A (en) * | 2016-03-11 | 2016-07-20 | 石家庄里工机械有限公司 | Vehicle steering driving structure |
| CN107284135A (en) * | 2017-05-31 | 2017-10-24 | 北京航空航天大学 | A kind of steering and driving axle of normally gap |
-
2009
- 2009-03-24 CN CNA2009101113222A patent/CN101508241A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774404A (en) * | 2016-03-11 | 2016-07-20 | 石家庄里工机械有限公司 | Vehicle steering driving structure |
| CN105774404B (en) * | 2016-03-11 | 2018-05-08 | 石家庄里工机械有限公司 | A kind of steering driving structure of vehicle |
| CN107284135A (en) * | 2017-05-31 | 2017-10-24 | 北京航空航天大学 | A kind of steering and driving axle of normally gap |
| CN107284135B (en) * | 2017-05-31 | 2019-12-31 | 北京航空航天大学 | Steering drive axle with normal ground clearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090819 |