CN211001542U - Auxiliary steering device of multifunctional vehicle - Google Patents
Auxiliary steering device of multifunctional vehicle Download PDFInfo
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- CN211001542U CN211001542U CN201922132387.7U CN201922132387U CN211001542U CN 211001542 U CN211001542 U CN 211001542U CN 201922132387 U CN201922132387 U CN 201922132387U CN 211001542 U CN211001542 U CN 211001542U
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Abstract
A multi-function vehicle auxiliary steering apparatus includes front and rear wheels. The first oil cylinder and the second oil cylinder are arranged between the rear wheels, and the electronic control unit controls and operates the steering control valve group and the centering control valve group, so that the traction force of a steering axle can be increased, the steering driving force of the rear axle is increased, the lateral force can be increased, and the driving stability and the driving safety of the vehicle are improved; through with preceding middle-sized wheel and rear wheel respectively independent operation to supplementary there is the power-assisted steering system, can realize adjusting the operation according to the mode of turning to of different operating modes to the rear wheel, can show the wearing and tearing that reduce the tire, improve tire life. The utility model discloses install effectual improvement and turned to operating stability.
Description
Technical Field
The utility model relates to the technical field of vehicles, specifically indicate a supplementary device that turns to of multi-purpose vehicle.
Background
The steering system, which is an important component of a vehicle, affects many properties of the vehicle. The traditional mechanical linkage multi-axle steering system is the result of adopting weighted comprehensive optimization and compromise for various different working conditions. And the multiple steering modes of the whole vehicle are difficult to achieve the optimal state at low speed. Tire wear is also exacerbated as the number of bridges increases. There are many factors that affect tire wear, such as wheel alignment, steering system assembly error, early wear of the ball joint, wheel shimmy, etc. When the traditional multi-axle vehicle shakes. The whole vehicle can generate violent swing and perform snake-like motion. So that the vehicle handling stability, riding comfort and tire life are severely affected.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problems to be solved by the invention are as follows: poor steering stability.
In order to solve the technical problems, the invention adopts the following technical scheme: a utility vehicle assists steering device, includes the front wheel, its characterized in that: the two front wheels are arranged in bilateral symmetry, the rear sides of the two front wheels are provided with two middle wheels, a first cross rod is arranged between the two front wheels and the middle wheels, the two ends of the first cross rod are movably connected with first connecting rods, one end of each first connecting rod, far away from the first cross rod, is respectively connected with the front wheels and the middle wheels, the end, far away from the first cross rod, of the two first connecting rods on the left side is movably connected with a second connecting rod, one end, far away from the first connecting rod, of the two second connecting rods is movably connected with the same movable rod, the front end of each movable rod is provided with a steering angle sensor, the steering angle sensor is connected with a steering wheel, the rear sides of the middle wheels are provided with two rear wheels, a second cross rod is arranged between the two rear wheels, the two ends of the two second cross rods are movably connected with a third connecting rod, one end, far away from the second cross rod, the third connecting rod is located swing joint first hydro-cylinder on the lateral wall between left side rear wheel and the second horizontal pole, be provided with steering control valves on the first hydro-cylinder, the left side the third connecting rod is kept away from left side rear wheel one end and is extended second horizontal pole swing joint and have the second hydro-cylinder, be provided with centering control valves on the second hydro-cylinder, steering control valves, centering control valves and steering angle sensor electric connection have same electronic control unit.
Preferably, the steering control valve bank and the centering control valve bank are connected with each other, a vehicle-mounted steering pump is arranged between the steering control valve bank and the centering control valve bank, and the technical characteristics are as follows: the steering or centering operation of the rear wheels can be realized, and the stability of the steering operation is improved.
Preferably, a vehicle speed sensor is arranged in the front wheel on the right side, the vehicle speed sensor is electrically connected with an electronic control unit, the electronic control unit is electrically connected with a tachometer, and the technical characteristics are as follows: the real-time monitoring of the vehicle speed can be realized, and the control of different modes can be realized through the vehicle speed sensor.
Preferably, a control sensor is arranged on the inner side of the rear wheel on the right side, the control sensor and the electronic control unit are electrically connected, and the technical characteristics are as follows: and the steering state of the rear wheel is controlled and operated, so that errors are avoided.
Preferably, an angle control sensor is arranged on the third connecting rod on the right side, the angle control sensor is electrically connected with the electronic control unit, and the technical characteristics are as follows: the monitoring operation of the steering angle of the rear wheel is realized, and the error of the steering angle is avoided.
Preferably, the centering control valve bank is connected with an emergency power unit, and the technical characteristics are as follows: the steering of the rear wheels can be manually controlled according to actual needs or emergency situations.
Preferably, the electronic control unit is electrically connected with a fault indicator lamp and a fault diagnosis port, the input voltage of the electronic control unit is set to be 24 volts, and the technical characteristics are as follows: the maintenance operation of the system device is convenient.
Compared with the prior art, the invention has at least the following advantages:
1. the first oil cylinder and the second oil cylinder are arranged between the rear wheels, and the electronic control unit controls and operates the steering control valve group and the centering control valve group, so that the traction force of a steering axle can be increased, the steering driving force of the rear axle is increased, the lateral force can be increased, and the driving stability and the driving safety of the vehicle are improved;
2. through with preceding middle-sized wheel and rear wheel respectively independent operation to supplementary there is the power-assisted steering system, can realize adjusting the operation according to the mode of turning to of different operating modes to the rear wheel, can show the wearing and tearing that reduce the tire, improve tire life.
Drawings
FIG. 1 is a schematic structural view of the apparatus;
FIG. 2 is a schematic structural diagram of an all-wheel steering mode of the device;
fig. 3 is a schematic structural diagram of a road running mode of the device.
In the figure, 1, front wheel; 2. a middle wheel; 3. a first cross bar; 4. a first link; 5. a second link; 6. a movable rod; 7. a steering angle sensor; 8. a steering wheel; 9. a rear wheel; 10. a second cross bar; 11. a third link; 12. a steering control valve group; 13. centering the control valve group; 14. an electronic control unit; 15. a vehicle-mounted steering pump; 16. a vehicle speed sensor; 17. a tachometer; 18. a control sensor; 19. an angle control sensor; 20. an emergency power unit; 21. a fault indicator light; 22. a fault diagnosis port; 23. a first cylinder; 24. and a second oil cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a multi-function vehicle auxiliary steering apparatus includes a front wheel 1, characterized in that: the two front wheels 1 are arranged symmetrically left and right, a vehicle speed sensor 16 is arranged in the front wheel 1 on the right side, the vehicle speed sensor 16 is electrically connected with an electronic control unit 14, a tachometer 17 is electrically connected on the electronic control unit 14, real-time monitoring of vehicle speed can be realized, control of different modes is realized through the vehicle speed sensor 16, two middle wheels 2 are arranged on the rear sides of the two front wheels 1, a first cross rod 3 is arranged between the two front wheels 1 and the middle wheels 2, both ends of the first cross rod 3 are movably connected with first connecting rods 4, one ends of the first connecting rods 4 far away from the first cross rod 3 are respectively connected with the front wheels 1 and the middle wheels 2, one ends of the two first connecting rods 4 on the left side far away from the first cross rod 3 are respectively movably connected with second connecting rods 5, one end of the two second connecting rods 5 far away from the first connecting rod 4 is movably connected with a same movable rod 6, and the front end of, a steering wheel 8 is connected on a steering angle sensor 7, two rear wheels 9 are arranged at the rear side of a middle wheel 2, a control sensor 18 is arranged at the inner side of the right rear wheel 9, the control sensor 18 is electrically connected with an electronic control unit 14, the steering state of the rear wheels 9 is controlled and operated, errors are avoided, a second cross rod 10 is arranged between the two rear wheels 9, two ends of the two second cross rods 10 are movably connected with third connecting rods 11, one ends of the third connecting rods 11, far away from the second cross rods 10, are movably connected with the rear wheels 9, an angle control sensor 19 is arranged on the right third connecting rod 11, the angle control sensor 19 is electrically connected with the electronic control unit 14, the steering angle of the rear wheels 9 is monitored and operated, the steering angle is prevented from being mistaken, a first oil cylinder 23 is movably connected on the side wall of the third connecting rod 11, which is positioned between the left rear wheel 9 and the second cross rod 10, a steering control valve group 12 is arranged on a first oil cylinder 23, one end of a left third connecting rod 11, which is far away from a left rear wheel 9, extends out of a second cross rod 10 and is movably connected with a second oil cylinder 24, a centering control valve group 13 is arranged on the second oil cylinder 24, the steering control valve group 12, the centering control valve group 13 and a steering angle sensor 7 are electrically connected with a same electronic control unit 14, the steering control valve group 12 and the centering control valve group 13 are mutually connected, a vehicle-mounted steering pump 15 is arranged between the steering control valve group 12 and the centering control valve group 13, steering or centering operation on the rear wheel 9 can be realized, the stability of steering operation is improved, an emergency power unit 20 is connected on the centering control valve group 13, manual control operation can be carried out on steering of the rear wheel 9 according to actual needs or needs of emergency situations, a fault indicator lamp 21 and a fault diagnosis port 22 are electrically connected on, the input voltage of the electronic control unit 14 is set at 24 volts to facilitate maintenance operations on the system apparatus.
The working principle of the device is as follows: when the device is used, under the condition that the vehicle speed is less than 20 kilometers per hour, the device is in an all-wheel steering mode, the steering wheel 8 drives the movable rod 6 to move, the movable rod 6 drives the left front wheel 1 and the middle wheel 2 to rotate by the same angle through the second connecting rod 5, the left front wheel 1 and the middle wheel 2 drive the first connecting rod 4 at the other end through the first cross rod 3, the first connecting rod 4 drives the right front wheel 1 and the right middle wheel 2 to rotate by the same angle, meanwhile, the steering angle sensor 7 is sent out through the rotation of the steering wheel 8, the signal of the steering angle sensor 7 enters the electronic control unit 14 to be processed, so that the electronic control unit 14 controls the steering control valve group 12 and the centering control valve group 13, the steering control valve group 12 controls the first oil cylinder 23, the vehicle-mounted steering pump 15 is started, and the hydraulic rod of the first oil cylinder 23 drives the left third connecting rod 11 to move, the third connecting rod 11 drives the rear wheel 9 to rotate by a certain angle which is opposite to the rotation direction of the rear wheel 9, the third connecting rod 11 at the other end of the second cross rod 10 is driven to move through the movement of the third connecting rod 11, the rear wheel 9 at the other side rotates by the same angle as the rear wheel 9 at the other side, the turning radius can be effectively reduced, and the steering operation performance of the vehicle is greatly improved;
when the vehicle speed is more than 20 kilometers per hour, the vehicle is in a road running mode, the steering wheel 8 drives the movable rod 6 to move, the movable rod 6 drives the front wheel 1 and the middle wheel 2 on the left side to rotate by the same angle through the second connecting rod 5, the front wheel 1 and the middle wheel 2 on the left side drive the first connecting rod 4 on the other end to move through the first cross rod 3, the front wheel 1 and the middle wheel 2 on the right side are driven to rotate by the same angle through the first connecting rod 4, meanwhile, the steering angle sensor 7 is sent out a signal through the rotation of the steering wheel 8, the signal of the steering angle sensor 7 enters the electronic control unit 14 to be processed, the electronic control unit 14 controls the centering control valve group 13, the centering control valve group 13 controls the second oil cylinder 24, the vehicle-mounted steering pump 15 is started, the hydraulic rod of the second oil cylinder 24 drives the third connecting rod 11 on the left side to move, and the third connecting rod 11 drives, the second cross rod 10 is driven to move by the movement of the third connecting rod 11, the second cross rod 10 drives the third connecting rod 11 on the other side to move, the rear wheels 9 on the other side are kept to be centered, the two rear wheels 9 are ensured to operate in a centered mode when the vehicle turns, the stability of the vehicle when the vehicle turns can be ensured, and therefore the steering operation performance of the vehicle is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A multi-function vehicle auxiliary steering apparatus includes a front wheel (1), characterized in that: the front wheel (1) is provided with two left and right symmetrically, the rear sides of the two front wheels (1) are provided with two middle wheels (2), a first cross rod (3) is arranged between the two front wheels (1) and the middle wheels (2), the two ends of the first cross rod (3) are movably connected with first connecting rods (4), one ends of the first connecting rods (4) far away from the first cross rod (3) are respectively connected with the front wheels (1) and the middle wheels (2), the two ends of the left side of the front wheel (4) far away from the first cross rod (3) are movably connected with second connecting rods (5), one ends of the two second connecting rods (5) far away from the first connecting rods (4) are movably connected with the same movable rod (6), the front ends of the movable rods (6) are provided with steering angle sensors (7), and the steering angle sensors (7) are connected with steering wheels (8), the rear side of well wheel (2) is provided with two rear wheels (9), two be provided with second horizontal pole (10), two between rear wheel (9) swing joint setting between second horizontal pole (10) one end and rear wheel (9) is kept away from in third connecting rod (11), swing joint has first hydro-cylinder (23) on the lateral wall that third connecting rod (11) are located between left side rear wheel (9) and second horizontal pole (10), be provided with steering control valves (12) on first hydro-cylinder (23), the left side rear wheel (9) one end is kept away from in third connecting rod (11) and is extended second horizontal pole (10) swing joint and have second hydro-cylinder (24), be provided with centering control valves (13) on second hydro-cylinder (24), steering control valves (12), centering control valves (13) and steering angle sensor (7) electric connection have same electronic control unit(s) (one side: (9) 14).
2. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: interconnect sets up between steering control valves (12) and centering control valves (13), be provided with on-vehicle steering pump (15) between steering control valves (12) and centering control valves (13).
3. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: a vehicle speed sensor (16) is arranged in the front wheel (1) on the right side, the vehicle speed sensor (16) is electrically connected with an electronic control unit (14), and the electronic control unit (14) is electrically connected with a tachometer (17).
4. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: the inner side of the rear wheel (9) on the right side is provided with a control sensor (18), and the control sensor (18) is electrically connected with the electronic control unit (14).
5. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: an angle control sensor (19) is arranged on the third connecting rod (11) on the right side, and the angle control sensor (19) is electrically connected with the electronic control unit (14).
6. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: and the centering control valve group (13) is connected with an emergency power unit (20).
7. The utility vehicle auxiliary steering apparatus according to claim 1, characterized in that: the electronic control unit (14) is electrically connected with a fault indicator lamp (21) and a fault diagnosis port (22), and the input voltage of the electronic control unit (14) is set to be 24 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132387.7U CN211001542U (en) | 2019-12-03 | 2019-12-03 | Auxiliary steering device of multifunctional vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132387.7U CN211001542U (en) | 2019-12-03 | 2019-12-03 | Auxiliary steering device of multifunctional vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211001542U true CN211001542U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922132387.7U Active CN211001542U (en) | 2019-12-03 | 2019-12-03 | Auxiliary steering device of multifunctional vehicle |
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| CN (1) | CN211001542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771944A (en) * | 2021-08-31 | 2021-12-10 | 浙江中车电车有限公司 | Chassis structure of electric motor coach and steering method |
-
2019
- 2019-12-03 CN CN201922132387.7U patent/CN211001542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771944A (en) * | 2021-08-31 | 2021-12-10 | 浙江中车电车有限公司 | Chassis structure of electric motor coach and steering method |
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