JPH01123971U - - Google Patents
Info
- Publication number
- JPH01123971U JPH01123971U JP1806388U JP1806388U JPH01123971U JP H01123971 U JPH01123971 U JP H01123971U JP 1806388 U JP1806388 U JP 1806388U JP 1806388 U JP1806388 U JP 1806388U JP H01123971 U JPH01123971 U JP H01123971U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- hydraulic pressure
- actuator
- vehicle
- switching valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図はこの考案の車両用後輪操舵装置の一実
施例を示す構成図、第２図は上記例の装置におけ
る制御回路が実行する制御プログラムを示すフロ
ーチヤート、第３図はこの考案の他の実施例にお
ける制御回路が実行する制御プログラムを示すフ
ローチヤートである。
１……前輪、２……後輪、３……ステアリング
ホイール、４……ステアリングギヤ、５……コン
トロールバルブ、９……パワーシリンダ、１０…
…アクチユエータ、１２……切換弁、１３……制
御回路、１４……車速センサ、１５……操舵角セ
ンサ。
FIG. 1 is a block diagram showing an embodiment of the vehicle rear wheel steering device of this invention, FIG. 2 is a flowchart showing a control program executed by the control circuit in the device of the above example, and FIG. 7 is a flowchart showing a control program executed by a control circuit in another embodiment. 1... Front wheel, 2... Rear wheel, 3... Steering wheel, 4... Steering gear, 5... Control valve, 9... Power cylinder, 10...
...actuator, 12 ... switching valve, 13 ... control circuit, 14 ... vehicle speed sensor, 15 ... steering angle sensor.
Claims (1)
弁の作動により作動油圧を与えられて前輪の転舵
を補助するパワーシリンダと、 前記作動油圧を導かれて後輪と前輪と逆方向へ
転舵するアクチユエータと、 前記アクチユエータへ前記作動油圧を導く油圧
回路中に設けられた切換弁と、 車速が所定速度以上の場合に前記切換弁を作動
させて前記アクチユエータへの前記作動油圧の供
給を遮断する制御手段とを具える車両用後輪操舵
装置において、 前記ステアリングホイールの急操舵を検知する
急操舵検知手段を設け、 前記制御手段が、前記急操舵検知手段の出力信
号に基づき前記ステアリングホイールの急操舵時
に前記切換弁を作動させて前記アクチユエータへ
の前記作動油圧の供給を遮断することを特徴とす
る、車両用後輪操舵装置。[Claims for Utility Model Registration] A power cylinder that is supplied with hydraulic pressure by the operation of a hydraulic pressure regulating valve based on steering of a steering wheel to assist in steering the front wheels; an actuator that steers the vehicle in a direction; a switching valve provided in a hydraulic circuit that guides the hydraulic pressure to the actuator; and when the vehicle speed is higher than a predetermined speed, the switching valve is actuated to direct the hydraulic pressure to the actuator. A rear wheel steering device for a vehicle, comprising: a control means for cutting off supply; a sudden steering detection means for detecting sudden steering of the steering wheel; A rear wheel steering device for a vehicle, characterized in that the switching valve is actuated to cut off the supply of the hydraulic pressure to the actuator when a steering wheel is suddenly turned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1806388U JPH01123971U (en) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1806388U JPH01123971U (en) | 1988-02-16 | 1988-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01123971U true JPH01123971U (en) | 1989-08-23 |
Family
ID=31232369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1806388U Pending JPH01123971U (en) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01123971U (en) |
-
1988
- 1988-02-16 JP JP1806388U patent/JPH01123971U/ja active Pending
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