JPS6223173U - - Google Patents
Info
- Publication number
- JPS6223173U JPS6223173U JP11459485U JP11459485U JPS6223173U JP S6223173 U JPS6223173 U JP S6223173U JP 11459485 U JP11459485 U JP 11459485U JP 11459485 U JP11459485 U JP 11459485U JP S6223173 U JPS6223173 U JP S6223173U
- Authority
- JP
- Japan
- Prior art keywords
- steering angle
- control
- hydraulic cylinder
- valve
- rear wheel
- 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
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は、この考案の一実施例を示す舵角制御
装置の概略構成図、第２図は、第１図における比
較判断部の回路ブロツク図、第３図および第４図
は、第１図に示す舵角制御装置の作動説明図、第
５図は、この考案の別の実施例の要部のみを示す
概略構成図である。
１……前輪、２……ハンドル、４……前輪舵角
センサー、５……後輪、８……油圧シリンダー、
９……ピストンロツド、１０……後輪舵角センサ
ー、１１……油圧ポンプ、１２……エンジン、１
７……電磁切換弁、１８……開閉制御弁、１９…
…舵角制御回路、２０……駆動回路、２１……比
較判断部、２２……車速センサー、２３……増巾
器、２４……イグニシヨンスイツチ。
FIG. 1 is a schematic configuration diagram of a steering angle control device showing an embodiment of this invention, FIG. 2 is a circuit block diagram of a comparison/judgment section in FIG. 1, and FIGS. FIG. 5, which is an explanatory diagram of the operation of the steering angle control device shown in the figure, is a schematic configuration diagram showing only the main parts of another embodiment of this invention. 1... Front wheel, 2... Handle, 4... Front wheel steering angle sensor, 5... Rear wheel, 8... Hydraulic cylinder,
9... Piston rod, 10... Rear wheel steering angle sensor, 11... Hydraulic pump, 12... Engine, 1
7...Solenoid switching valve, 18...Opening/closing control valve, 19...
... Rudder angle control circuit, 20 ... Drive circuit, 21 ... Comparison judgment section, 22 ... Vehicle speed sensor, 23 ... Amplifier, 24 ... Ignition switch.
Claims (1)
圧シリンダーを駆動して後輪を操舵する舵角制御
装置において、前記電磁切換弁と前記油圧シリン
ダーとの間の油路に介装された常閉の開閉制御弁
と、前記開閉制御弁を開閉制御するとともに、異
常時には前記開閉制御弁を閉成して前記油圧シリ
ンダーをそのときの作動位置に保持する制御部と
を備えた舵角制御装置。 In a steering angle control device that steers a rear wheel by driving a hydraulic cylinder for rear wheel steering through hydraulic control of an electromagnetic switching valve, the steering angle control device is provided in an oil passage between the electromagnetic switching valve and the hydraulic cylinder. A steering angle control comprising: a normally closed on-off control valve; and a control unit that controls opening and closing of the on-off control valve and, in the event of an abnormality, closes the on-off control valve to maintain the hydraulic cylinder at the operating position at that time. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11459485U JPS6223173U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11459485U JPS6223173U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6223173U true JPS6223173U (en) | 1987-02-12 |
Family
ID=30997480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11459485U Pending JPS6223173U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6223173U (en) |
-
1985
- 1985-07-26 JP JP11459485U patent/JPS6223173U/ja active Pending