CN204161460U - A kind of multi-axle off-road vehicle double-front-axle steering driving device - Google Patents
A kind of multi-axle off-road vehicle double-front-axle steering driving device Download PDFInfo
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- CN204161460U CN204161460U CN201420620984.9U CN201420620984U CN204161460U CN 204161460 U CN204161460 U CN 204161460U CN 201420620984 U CN201420620984 U CN 201420620984U CN 204161460 U CN204161460 U CN 204161460U
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Abstract
The utility model relates to a kind of multi-axle off-road vehicle double-front-axle steering driving device, improves and turns to driving efficiency and Steering sensitivity, has steering reversal ability strong, the advantages such as steering feel is good, and protective capacities is strong.This double-front-axle steering driving device comprises steering shaft (2), angle driver (3), transmission shaft (4), deflector (5), steering drop arm (6), tierod (30), turns to column assembly and steering track rod, described in turn to that column assembly comprises front steering column assembly, an axle steer column assembly, centre turn to column assembly and two axle steer column assemblies; The input shaft of deflector (5) is fixedly connected with transmission shaft (4), angle driver (3), steering shaft (2) one end successively, and the output shaft of deflector (5) turns to column assembly and two axle steer column assemblies to be connected with steering drop arm (6), steering track rod I (7), front steering column assembly, an axle steer column assembly, centre successively.
Description
Technical field
The utility model belongs to technical field of vehicle, is specifically related to a kind of multi-axle off-road vehicle double-front-axle steering driving device.
Background technology
The arrangement form of existing multi-axle off-road vehicle double-front-axle steering driving device is substantially identical with the arrangement form of traditional civil car, and deflector, transmission shaft are all be arranged in frame outside.As shown in Figure 1, the deflector 8 of existing multi-axle off-road vehicle double-front-axle steering system is arranged between an axle, two axles, to the input shaft of deflector 8, three angle drivers (first jiao of driver 2, second jiao of driver 4 and triangle driver 7) and three transmission shafts (the first transmission shaft 3, second driving shaft 5, second driving shaft 6) are adopted from steering shaft 1, by three break-ins of three angle drivers, steering shaft 1 output torque above vehicle frame is delivered to the input shaft end of deflector 8, then drives the action of steering gear by the output shaft of deflector 8.Because each angle driver and transmission shaft have certain tolerance clearance, therefore can not reach the driving efficiency of 100%, often an increase angle driver or transmission shaft all can reduce the driving efficiency of steering transmission linkage.Adopt that the steering transmission linkage driving efficiency of polygonal driver and many transmission shafts is low, gap is large, the corner of bearing circle 9 can be caused to have larger play motion, affect the sensitieness turned to, also can be unfavorable for steering reversal and steering feel.
Utility model content
The purpose of this utility model is to provide a kind of multi-axle off-road vehicle double-front-axle steering device, improves and turns to driving efficiency and Steering sensitivity, has steering reversal ability strong, the advantages such as steering feel is good, and protective capacities is strong.
The technical solution of the utility model is, a kind of multi-axle off-road vehicle double-front-axle steering driving device comprises steering shaft, angle driver, transmission shaft, deflector, steering drop arm, tierod, turns to column assembly and steering track rod, and this double-front-axle steering driving device is positioned at inside frame assembly; Describedly turn to that column assembly comprises front steering column assembly, an axle steer column assembly, centre turn to column assembly and two axle steer column assemblies; One axle steer column assembly is identical with the existing column assembly structure that turns to the structure of two axle steer column assemblies, and described front steering column assembly comprises pitman arm, lower pitman arm and front steering column; Described steering track rod comprises steering track rod I, steering track rod II, steering track rod III and steering track rod IV; Described centre turns to column assembly to comprise middle pitman arm and centre turns to column.
Deflector is fixed on vehicle frame, and near an axle, the input shaft of deflector is fixedly connected with transmission shaft, angle driver, steering shaft one end successively, the steering shaft other end is fixedly connected with bearing circle, the output shaft of deflector is fixedly connected with steering drop arm one end, and the steering drop arm other end and steering track rod I one end are rotationally connected, and steering track rod I other end and upper pitman arm one end are rotationally connected, the upper pitman arm other end and front steering column are fixedly linked, and front steering column is fixed on frame assembly;
Steering track rod III one end is fixedly connected with lower pitman arm one end, steering track rod III other end and an axle right steering rocking arm are fixedly linked, the lower pitman arm other end and front steering column are fixedly linked, one axle right steering rocking arm is fixed on an axle right steering column, and an axle right steering column is fixed on the right side of frame assembly;
Be rotationally connected in the middle part of steering track rod II one end and upper pitman arm, in the middle of steering track rod II other end, pitman arm one end is rotatedly connected, and the middle pitman arm other end and centre turn to column to be fixedly linked, and centre turns to column to be fixed on the left of frame assembly;
Be rotationally connected in the middle part of steering track rod IV one end and middle pitman arm, steering track rod IV other end and two axle right steering one end are rotatedly connected.
The beneficial effects of the utility model are, 1) an angle driver and a transmission shaft is adopted to carry out moment of torsion transmission between cross-country car steering shaft of the present utility model to deflector input end, relatively adopt the steering gear of polygonal driver and many transmission shafts, effectively raise driving efficiency, efficiency can improve more than 10%, and steering reversal ability and steering feel all increase simultaneously; 2) because the deflector of cross-country car of the present utility model is arranged in frame inside, other functor such as steering oil pipe also all needs to be arranged in frame inside, therefore, the utility model not only increases driving efficiency, decrease connection parts, also enhance the protective capacities of turning function part, there is the advantages such as structure is simple, connection and reasonable arrangement; 3) adopt driving device of the present utility model, do not need to carry out any change to steering swivel system remainder, applicability is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing multi-axle off-road vehicle double-front-axle steering driving device;
Fig. 2 is the structural representation of a kind of multi-axle off-road vehicle double-front-axle steering of the utility model driving device.
Detailed description of the invention
As shown in Figure 2, a kind of multi-axle off-road vehicle double-front-axle steering of the utility model driving device is positioned at inside frame assembly 34, and it comprises steering shaft 2, angle driver, transmission shaft 4, deflector 5, steering drop arm 6, tierod 30, turns to column assembly and steering track rod.Turn to that column assembly comprises front steering column assembly, an axle steer column assembly, centre turn to column assembly and two axle steer column assemblies.One axle steer column assembly is identical with the existing column assembly structure that turns to the structure of two axle steer column assemblies, include left and right two pitman arms and two turn to column.Front steering column assembly comprises pitman arm 8, lower pitman arm 10 and front steering column 32.Described steering track rod comprises steering track rod I 7, steering track rod II 1, steering track rod III 12 and steering track rod IV 18.Centre turns to column assembly to comprise middle pitman arm 17 and centre turns to column 26.One axle steer column assembly and two axle steer column assemblies are all positioned at frame assembly 34.
Deflector 5 is positioned at inside frame assembly 34, and deflector 5 is fixed on vehicle frame, and near an axle, the input shaft end of deflector 5, transmission shaft 4, angle driver 3, steering shaft 2 one end are fixedly connected sequentially, and steering shaft 2 other end is fixedly connected with bearing circle 1.Bearing circle 1 rotates and drives steering shaft 2, angle driver 3, transmission shaft 4 and deflector 5 input shaft to rotate successively.The output shaft of deflector 5 is fixedly connected with steering drop arm 6 one end, steering track rod I 7 one end and steering drop arm 6 other end are rotationally connected, steering track rod I 7 other end and upper pitman arm 8 one end are rotationally connected, upper pitman arm 8 other end and front steering column 32 are fixedly linked, and front steering column 32 is fixed on frame assembly 34.
Steering track rod III 12 one end is fixedly connected with lower pitman arm 10 one end, steering track rod III 12 other end and an axle right steering rocking arm 14 are fixedly linked, lower pitman arm 10 other end and front steering column 32 are fixedly linked, one axle right steering rocking arm 14 is fixed on an axle right steering column 13, one axle right steering column 13 is fixed on the right side of frame assembly 34
Be rotationally connected in the middle part of steering track rod II 11 one end and upper pitman arm 8, in the middle of steering track rod II 11 other end, pitman arm 17 one end is rotatedly connected, middle pitman arm 17 other end and centre turn to column 26 to be fixedly linked, and centre turns to column 26 to be fixed on the left of frame assembly 34
Be rotationally connected in the middle part of steering track rod IV 18 one end and middle pitman arm 17, steering track rod IV 18 other end and two axle right steering rocking arm 20 one end are rotatedly connected.
Transmission operation principle of the present utility model: the input torque of bearing circle 1 is delivered to angle driver 3 by steering shaft 2, transmission shaft 4 is delivered to after angle driver 3 break-in, transmission shaft 4 transfers torque to the input shaft of deflector 5, deflector 5 is delivered to steering drop arm 6 by deflector 5 output shaft after being amplified by input torque, steering drop arm 6 produces steering effort, steering effort is passed through steering track rod I 7 and is delivered to upper pitman arm 8 and lower pitman arm 10 by steering drop arm 6, the power output of lower pitman arm 10 is by steering track rod III 12, one axle right steering rocking arm 14, one axle steer intermediate rod 30, one axle left steering rocking arm 28 is delivered to axle left steering pull bar 29 and an axle right steering pull bar 15, an axle revolver limit assembly and right limit assembly of taking turns is driven to turn to finally by an axle left steering pull bar 29 and an axle right steering pull bar 15,
The power output of upper pitman arm 8 is delivered to two axle left steering pull bar 23 and two axle right steering pull bars 21 by steering track rod II 11, middle pitman arm 17, steering track rod IV 18, two axle right steering rocking arm 20, two axle steer intermediate rod 24, two axle left steering rocking arm 22, drives two axle revolver limit assemblies and right limit assembly of taking turns to turn to finally by two axle left steering pull bars 23 and two axle right steering pull bars 21.
Claims (1)
1. a multi-axle off-road vehicle double-front-axle steering driving device, it is characterized in that: this double-front-axle steering driving device comprises steering shaft (2), angle driver (3), transmission shaft (4), deflector (5), steering drop arm (6), tierod (30), turns to column assembly and steering track rod, this double-front-axle steering driving device is positioned at frame assembly (34) inner side; Describedly turn to that column assembly comprises front steering column assembly, an axle steer column assembly, centre turn to column assembly and two axle steer column assemblies; One axle steer column assembly is identical with the existing column assembly structure that turns to the structure of two axle steer column assemblies, and described front steering column assembly comprises pitman arm (8), lower pitman arm (10) and front steering column (32); Described steering track rod comprises steering track rod I (7), steering track rod II (11), steering track rod III (12) and steering track rod IV (18); Described centre turns to column assembly to comprise middle pitman arm (17) and centre turns to column (26);
Deflector (5) is fixed on vehicle frame, and near an axle, the input shaft of deflector (5) successively with transmission shaft (4), angle driver (3), steering shaft (2) one end is fixedly connected with, steering shaft (2) other end is fixedly connected with bearing circle (1), the output shaft of deflector (5) is fixedly connected with steering drop arm (6) one end, steering drop arm (6) other end and steering track rod I (7) one end are rotationally connected, steering track rod I (7) other end and upper pitman arm (8) one end are rotationally connected, upper pitman arm (8) other end and front steering column (32) are fixedly linked, front steering column (32) is fixed on frame assembly (34),
Steering track rod III (12) one end is fixedly connected with lower pitman arm (10) one end, steering track rod III (12) other end and an axle right steering rocking arm (14) are fixedly linked, lower pitman arm (10) other end and front steering column (32) are fixedly linked, one axle right steering rocking arm (14) is fixed on an axle right steering column (13), and an axle right steering column (13) is fixed on frame assembly (34) right side;
Steering track rod II (11) one end and upper pitman arm (8) middle part are rotationally connected, in the middle of steering track rod II (11) other end, pitman arm (17) one end is rotatedly connected, middle pitman arm (17) other end and centre turn to column (26) to be fixedly linked, and centre turns to column (26) to be fixed on frame assembly (34) left side;
Steering track rod IV (18) one end and middle pitman arm (17) middle part are rotationally connected, and steering track rod IV (18) other end and two axle right steering rocking arm (20) one end are rotatedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620984.9U CN204161460U (en) | 2014-10-24 | 2014-10-24 | A kind of multi-axle off-road vehicle double-front-axle steering driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620984.9U CN204161460U (en) | 2014-10-24 | 2014-10-24 | A kind of multi-axle off-road vehicle double-front-axle steering driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204161460U true CN204161460U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420620984.9U Active CN204161460U (en) | 2014-10-24 | 2014-10-24 | A kind of multi-axle off-road vehicle double-front-axle steering driving device |
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| CN (1) | CN204161460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933689A (en) * | 2017-12-14 | 2018-04-20 | 北奔重型汽车集团有限公司 | A kind of independent suspension multi-axle off-road vehicle double steering device steering transmission linkage |
-
2014
- 2014-10-24 CN CN201420620984.9U patent/CN204161460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933689A (en) * | 2017-12-14 | 2018-04-20 | 北奔重型汽车集团有限公司 | A kind of independent suspension multi-axle off-road vehicle double steering device steering transmission linkage |
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| C14 | Grant of patent or utility model | ||
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