JPS6444269U - - Google Patents
Info
- Publication number
- JPS6444269U JPS6444269U JP13825087U JP13825087U JPS6444269U JP S6444269 U JPS6444269 U JP S6444269U JP 13825087 U JP13825087 U JP 13825087U JP 13825087 U JP13825087 U JP 13825087U JP S6444269 U JPS6444269 U JP S6444269U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- valve body
- control input
- input member
- 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
- 238000006073 displacement reaction Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
図面は本考案の一実施例を示し、第１図は本考
案に係る油圧制御装置が適用された車両の全輪操
舵装置の後輪操舵油圧回路図、第２図は第１図に
示す舵角・車速感応リンク機構１２の作動特性を
示し、車速Ｖと操舵比Ｒθ／Ｆθとの関係を示す
グラフである。
１……後輪、２……パワーシリンダ、２ｂ……
タイロツド（出力部材）、３……アーム、４……
サーボバルブ、６……オイルポンプ（油圧源）、
７……制御バルブ、８……油圧アクチユエータ、
１２……舵角・車速感応リンク機構、１４……車
速アクチユエータ、１６……オイルポンプ、４０
……バルブ本体、４１……スプール（制御入力部
材）。
The drawings show one embodiment of the present invention, and FIG. 1 is a rear wheel steering hydraulic circuit diagram of an all-wheel steering system for a vehicle to which the hydraulic control device according to the present invention is applied, and FIG. 2 is a hydraulic circuit diagram of the rear wheel steering system shown in FIG. 7 is a graph showing the operating characteristics of the angle/vehicle speed sensitive link mechanism 12 and showing the relationship between vehicle speed V and steering ratio Rθ/Fθ. 1... Rear wheel, 2... Power cylinder, 2b...
Tie rod (output member), 3... Arm, 4...
Servo valve, 6...Oil pump (hydraulic source),
7...Control valve, 8...Hydraulic actuator,
12... Rudder angle/vehicle speed sensitive link mechanism, 14... Vehicle speed actuator, 16... Oil pump, 40
... Valve body, 41 ... Spool (control input member).
Claims (1)
応動して出力部材を変位させるパワーシリンダと
、該パワーシリンダと前記油圧源間に介装され、
バルブ本体とこのバルブ本体に摺動可能に嵌装さ
れる制御入力部材とを有し、該制御入力部材と前
記バルブ本体との相対変位量に応じ前記パワーシ
リンダに供給される作動油圧を制御し、前記バル
ブ本体が前記パワーシリンダの出力部材に係合さ
れて該出力部材の変位に伴つて前記バルブ本体と
制御入力部材の相対変位量を小ならしめる方向に
移動する変位追従型サーボバルブと、該サーボバ
ルブからドレン側に排出される作動油圧に応動し
て前記制御入力部材を作動させ、前記バルブ本体
に対して相対変位させる油圧アクチユエータと、
該油圧アクチユエータと前記サーボバルブとの間
に介装され、油圧アクチユエータへの作動油の供
給を制御する制御バルブとを備えてなることを特
徴とする油圧制御装置。 a hydraulic power source, a power cylinder that displaces an output member in response to working hydraulic pressure supplied from the hydraulic power source, and interposed between the power cylinder and the hydraulic power source,
It has a valve body and a control input member slidably fitted into the valve body, and controls the hydraulic pressure supplied to the power cylinder according to the amount of relative displacement between the control input member and the valve body. , a displacement-following servo valve in which the valve body is engaged with an output member of the power cylinder and moves in a direction that reduces the amount of relative displacement between the valve body and the control input member as the output member is displaced; a hydraulic actuator that operates the control input member in response to hydraulic pressure discharged from the servo valve to the drain side and displaces the control input member relative to the valve body;
A hydraulic control device comprising: a control valve interposed between the hydraulic actuator and the servo valve to control supply of hydraulic fluid to the hydraulic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13825087U JPS6444269U (en) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13825087U JPS6444269U (en) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6444269U true JPS6444269U (en) | 1989-03-16 |
Family
ID=31400414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13825087U Pending JPS6444269U (en) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6444269U (en) |
-
1987
- 1987-09-11 JP JP13825087U patent/JPS6444269U/ja active Pending
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