CN209225237U - A kind of 4-wheel Steering Control System and four-wheel steering mechanism - Google Patents
A kind of 4-wheel Steering Control System and four-wheel steering mechanism Download PDFInfo
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- CN209225237U CN209225237U CN201821789078.6U CN201821789078U CN209225237U CN 209225237 U CN209225237 U CN 209225237U CN 201821789078 U CN201821789078 U CN 201821789078U CN 209225237 U CN209225237 U CN 209225237U
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- oil cylinder
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Abstract
The utility model provides a kind of 4-wheel Steering Control System suitable for simply needing, including diverter, solenoid valve and oil cylinder, solenoid valve includes solenoid valve 1, solenoid valve 2, solenoid valve 3 and solenoid valve 4, oil cylinder includes preceding bridge oil cylinder and rear axle oil cylinder, each oil cylinder is respectively provided with working hole 1 and working hole 2, the diverter has oil inlet, oil outlet, operating valve A and operating valve B, the solenoid valve has main oil inlet, operating valve A and operating valve B, four kinds of steering patterns can be run, turning radius is small, thus the four-wheel steering mechanism of control system control may be implemented in the turning in narrow space, it the operation such as turns around.
Description
Technical field
The utility model relates to arrive engineering machinery field, and in particular to arrive a kind of 4-wheel Steering Control System.
Background technique
The working environment of engineering machinery field is complicated, and barrier is more, in smaller area vehicle be frequently necessary to complete to turn to,
It the operation such as turns around, existing engineering truck is front-wheel steer, and turning radius is big, operating difficulties, cannot be applicable in the evil of engineering machinery
Bad environment, widely applied hydraulic power-assist steering system in existing commercial vehicle field, but four rotation in commercial vehicle field
It is the stability of automobile when running at high speed pursued to system, and pursues the conveniency of motor turning when running at a low speed, therefore is existing
The steering mechanism of the four wheels of some control automobiles is generally all complex or higher cost, manufacture difficulty are big.
Utility model content
In view of the deficiencies of the prior art, the utility model provides the four-wheel steering control that a kind of structure is simple, at low cost
System solves the disadvantage that the turning radius of existing engineering machinery vehicle is big, operating difficulties.
The utility model is to solve above-mentioned technical problem by technical solution once:
A kind of 4-wheel Steering Control System, including diverter, solenoid valve and oil cylinder, solenoid valve include solenoid valve 1, solenoid valve
2, solenoid valve 3 and solenoid valve 4, oil cylinder include preceding bridge oil cylinder and rear axle oil cylinder, and each oil cylinder is respectively provided with working hole 1 and working hole
2, the diverter has oil inlet, oil outlet, operating valve A and operating valve B, and the solenoid valve has main oil inlet, operating valve A
It is connected to the operating valve A of operating valve B, the diverter with the main oil inlet of solenoid valve 2 and solenoid valve 4, the work of the diverter
Make valve B to be connected to the main oil inlet of solenoid valve 1 and solenoid valve 3, the working hole 1 of the operating valve A of solenoid valve 1 and preceding bridge oil cylinder connects
It is logical, the operating valve B of solenoid valve 1 respectively with the working hole 1 of rear axle oil cylinder, the operating valve A of solenoid valve 3, solenoid valve 4 operating valve B
Connection, the operating valve A of solenoid valve 2 is connected to the working hole 2 of preceding bridge oil cylinder, the operating valve B of solenoid valve 2 respectively with solenoid valve 3
Operating valve B, the operating valve A of solenoid valve 4, rear axle oil cylinder working hole 2 be connected to, the operating valve A of solenoid valve 3 respectively with rear axle oil cylinder
Working hole 1, solenoid valve 4 operating valve B connection, the working hole 2 of the operating valve B of solenoid valve 3 and rear axle oil cylinder, solenoid valve 4
Operating valve A connection, the operating valve A of solenoid valve 4 are connected to the working hole 2 of rear axle oil cylinder, operating valve B and the rear axle oil of solenoid valve 4
The working hole A of cylinder is connected to.
It further, further include angular transducer and gyroscope, for detecting wheel rotation angle and vehicle body slip angle, with
Switch steering pattern in real time convenient for driver, master controller is connected the angular transducer respectively with gyroscope, the master control
Bridge oil cylinder and rear axle oil cylinder before device control processed connects.
A kind of four-wheel steering mechanism controlled by 4-wheel Steering Control System, including vehicle bridge, wheel, which is characterized in that can
Run four kinds of steering patterns, the operating valve A of front steering mode, solenoid valve 1 and solenoid valve 2 is opened, and front-wheel turns in the same direction；After turn
To mode, the operating valve B of solenoid valve 1 and solenoid valve 2 is opened, and rear-wheel turns in the same direction；Front and back steering pattern in the same direction, solenoid valve 1
It is opened with the operating valve A and the operating valve B of solenoid valve 3 and solenoid valve 4 of solenoid valve 2, four-wheel turns in the same direction；Front and back counter steering
Mode is opened for the operating valve A and the operating valve B of solenoid valve 3 and solenoid valve 4 of solenoid valve 1 and solenoid valve 2, and front-wheel turns in the same direction
To rear-wheel turns in the same direction, front-wheel and rear-wheel counter steering.
Further, further include rear axle wabbler mechanism, the rear axle wabbler mechanism include rear axle, rear axle wave limited block,
Rear axle rotary sleeve, rear axle locating shaft, positioning sleeve, rear axle locating shaft be it is cylindric, have among rear axle rotary sleeve and rear axle locating shaft
The circular hole to match, there are two positioning sleeves for the lower part of frame chassis rear end, and one end of rear axle locating shaft is deeply to rear axle rotary sleeve
In, the other end passes through two positioning sleeves, and two rear axles wave limited block and divide right and left, and is mounted on the rear end of frame chassis, and divide
Not Wei Yu two transmission shafts of rear axle or so surface.
It further, further include two buffer stoppers, the buffer stopper is mounted on rear axle, is located at rear axle and is waved limit
The underface of block.
On the basis of meeting general knowledge known in this field, above-mentioned each optimum condition can any combination, both the utility model
Embodiment.
The beneficial effects of the utility model are:
The utility model provides a kind of 4-wheel Steering Control System suitable for simply needing, including diverter, electromagnetism
Valve and oil cylinder can run four kinds of steering patterns, and turning radius is small, and thus the four-wheel steering mechanism of control system control may be implemented in
Turning in narrow space, the operation such as turn around.Furthermore four-wheel steering mechanism also has a rear axle swing function, and vehicle bridge is on road when walking
As the height of landform realizes that vehicle bridge teeters around locating shaft when the injustice of face, limit control of the rocking tendency on stringer
System, to be suitable for the road surface of various fluctuatings on construction site, on this basis rear axle wave the underface of limited block also this
There is buffer stopper, to reduce the abrasion that rear axle waves limited block to rear axle when rear axle waves.
Figure of description
Fig. 1 is the hydraulic schematic diagram of the utility model 4-wheel Steering Control System；
Fig. 2 is the utility model four-wheel steering mechanism；
Fig. 3 is rear axle structure Local map of the utility model to look up visual angle；
Fig. 4 is that the utility model rear axle waves figure；
Fig. 5 is the utility model front steering mode state figure；
Fig. 6 is the utility model rear steering mode state figure；
Fig. 7 is steering pattern state diagram in the same direction before and after the utility model；
Fig. 8 is counter steering mode state figure before and after the utility model.
Wherein, bridge oil cylinder before 1-, 2- rear axle oil cylinder, 3- solenoid valve Isosorbide-5-Nitrae-solenoid valve 2,5- solenoid valve 3,6- solenoid valve 4,7-
Diverter, 8- frame chassis, bridge before 9-, 10- rear axle, 11- locating piece, 12- rear axle rotary sleeve, 13- rear axle locating shaft, after 14-
Bridge waves limited block, 15- buffer stopper.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
It is as shown in Figure 1 the hydraulic schematic diagram of the 4-wheel Steering Control System of the utility model, including diverter, solenoid valve
And oil cylinder, solenoid valve include solenoid valve 1, solenoid valve 2, solenoid valve 3 and solenoid valve 4, oil cylinder includes preceding bridge oil cylinder and rear axle oil
Cylinder, each oil cylinder are respectively provided with working hole 1 and working hole 2, and the diverter has oil inlet, oil outlet, operating valve A and operating valve
B, the solenoid valve have main oil inlet, operating valve A and operating valve B, the operating valve A and solenoid valve 2 and electromagnetism of the diverter
The main oil inlet of valve 4 is connected to, and the operating valve B of the diverter is connected to the main oil inlet of solenoid valve 1 and solenoid valve 3, solenoid valve 1
Operating valve A be connected to the working hole 1 of preceding bridge oil cylinder, the operating valve B of solenoid valve 1 respectively with working hole 1, the electromagnetism of rear axle oil cylinder
The operating valve B connection of the operating valve A, solenoid valve 4 of valve 3, the operating valve A of solenoid valve 2 are connected to the working hole 2 of preceding bridge oil cylinder, electricity
The operating valve B of magnet valve 2 is connected to the working hole 2 of the operating valve B of solenoid valve 3, the operating valve A of solenoid valve 4, rear axle oil cylinder respectively,
The operating valve A of solenoid valve 3 is connected to the operating valve B of the working hole 1 of rear axle oil cylinder, solenoid valve 4 respectively, the operating valve B of solenoid valve 3
It is connected to the operating valve A of the working hole 2 of rear axle oil cylinder, solenoid valve 4, the operating valve A of solenoid valve 4 and the working hole 2 of rear axle oil cylinder
Connection, the operating valve B of solenoid valve 4 are connected to the working hole A of rear axle oil cylinder.
A kind of four-wheel steering mechanism controlled by 4-wheel Steering Control System as shown in Figure 2, including vehicle bridge, wheel, after
Bridge wabbler mechanism can run four kinds of steering patterns, and front steering mode, rear steering mode, front and back wheel turn in the same direction, front and back turns in the same direction
To mode；The rear axle wabbler mechanism includes that rear axle, rear axle wave limited block, rear axle rotary sleeve, rear axle locating shaft, positioning sleeve,
Rear axle locating shaft be it is cylindric, have the circular hole to match with rear axle locating shaft among rear axle rotary sleeve, under frame chassis rear end
There are two positioning sleeves in portion, and one end of rear axle locating shaft is deeply into rear axle rotary sleeve, and the other end is after two positioning sleeves, two
Bridge waves limited block and divides right and left, be mounted on the rear end of frame chassis, and be located at rear axle or so two transmission shafts just on
Side, the buffer stopper are mounted on rear axle, are located at the underface that rear axle waves limited block.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of 4-wheel Steering Control System, which is characterized in that including diverter, solenoid valve and oil cylinder, solenoid valve includes electromagnetism
Valve 1, solenoid valve 2, solenoid valve 3 and solenoid valve 4, oil cylinder include preceding bridge oil cylinder and rear axle oil cylinder, and each oil cylinder is respectively provided with work
Mouthful 1 and working hole 2, the diverter has oil inlet, oil outlet, operating valve A and an operating valve B, the solenoid valve have it is main into
The operating valve A of hydraulic fluid port, operating valve A and operating valve B, the diverter are connected to the main oil inlet of solenoid valve 2 and solenoid valve 4, institute
The operating valve B for stating diverter is connected to the main oil inlet of solenoid valve 1 and solenoid valve 3, the operating valve A of solenoid valve 1 and preceding bridge oil cylinder
Working hole 1 be connected to, the operating valve B of solenoid valve 1 operating valve A, the solenoid valve with the working hole 1 of rear axle oil cylinder, solenoid valve 3 respectively
4 operating valve B connection, the operating valve A of solenoid valve 2 is connected to the working hole 2 of preceding bridge oil cylinder, the operating valve B of solenoid valve 2 respectively with
The connection of working hole 2 of the operating valve B of solenoid valve 3, the operating valve A of solenoid valve 4, rear axle oil cylinder, the operating valve A difference of solenoid valve 3
It is connected to the operating valve B of the working hole 1 of rear axle oil cylinder, solenoid valve 4, the working hole 2 of the operating valve B of solenoid valve 3 and rear axle oil cylinder,
The operating valve A of solenoid valve 4 is connected to, and the operating valve A of solenoid valve 4 is connected to the working hole 2 of rear axle oil cylinder, the operating valve B of solenoid valve 4
It is connected to the working hole A of rear axle oil cylinder.
2. a kind of 4-wheel Steering Control System according to claim 1, which is characterized in that further include angular transducer and top
Spiral shell instrument, for detecting wheel rotation angle and vehicle body slip angle, in order to which driver switches steering pattern in real time, the angle is passed
Master controller is connected sensor respectively with gyroscope, bridge oil cylinder and rear axle oil cylinder before the master controller control connects.
3. a kind of four-wheel steering mechanism that 4-wheel Steering Control System described in claim 1 is set, including vehicle bridge, wheel,
It is characterized in that, further includes rear axle wabbler mechanism, the rear axle wabbler mechanism includes rear axle, rear axle waves limited block, rear axle rotates
Set, rear axle locating shaft, positioning sleeve, rear axle locating shaft be it is cylindric, have among rear axle rotary sleeve and match with rear axle locating shaft
Circular hole, there are two positioning sleeve, the other end into rear axle rotary sleeve is goed deep into one end of rear axle locating shaft for the lower part of frame chassis rear end
Across two positioning sleeves, two rear axles wave limited block and divide right and left, and are mounted on the rear end of frame chassis, and be located at rear axle
The surface of two transmission shafts in left and right.
4. four-wheel steering mechanism according to claim 3, which is characterized in that further include two buffer stoppers, the buffer stopper
It is mounted on rear axle, is located at the underface that rear axle waves limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789078.6U CN209225237U (en) | 2018-11-01 | 2018-11-01 | A kind of 4-wheel Steering Control System and four-wheel steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789078.6U CN209225237U (en) | 2018-11-01 | 2018-11-01 | A kind of 4-wheel Steering Control System and four-wheel steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209225237U true CN209225237U (en) | 2019-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821789078.6U Active CN209225237U (en) | 2018-11-01 | 2018-11-01 | A kind of 4-wheel Steering Control System and four-wheel steering mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447667A (en) * | 2022-09-19 | 2022-12-09 | 江苏徐工工程机械研究院有限公司 | Steering system of loader-digger and control method |
-
2018
- 2018-11-01 CN CN201821789078.6U patent/CN209225237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447667A (en) * | 2022-09-19 | 2022-12-09 | 江苏徐工工程机械研究院有限公司 | Steering system of loader-digger and control method |
| CN115447667B (en) * | 2022-09-19 | 2023-07-28 | 江苏徐工工程机械研究院有限公司 | Steering system of backhoe loader and control method |
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