JPS6238782U - - Google Patents
Info
- Publication number
- JPS6238782U JPS6238782U JP13101285U JP13101285U JPS6238782U JP S6238782 U JPS6238782 U JP S6238782U JP 13101285 U JP13101285 U JP 13101285U JP 13101285 U JP13101285 U JP 13101285U JP S6238782 U JPS6238782 U JP S6238782U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic cylinder
- rotation
- wheels
- rotary valve
- wheel steering
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案の一実施例に係わる４輪操舵装
置を示す図、第２図はリンク比可変機構を示す図
、第３図は車速に対する後輪の操舵方向を示す図
、第４図はリンク比可変機構の他の例を示す図で
ある。
１１，２３…油圧シリンダ、１２，２４…ピス
トンロツド、１３…ロータリバルブ、１４…イン
プツトシヤフト、１５，１６…連結棒、１８…プ
ツシユプルワイヤ、２０…ラツク、２１…ピニオ
ン。
Fig. 1 is a diagram showing a four-wheel steering system according to an embodiment of the present invention, Fig. 2 is a diagram showing a variable link ratio mechanism, Fig. 3 is a diagram showing the steering direction of the rear wheels with respect to vehicle speed, and Fig. 4 FIG. 3 is a diagram showing another example of the variable link ratio mechanism. DESCRIPTION OF SYMBOLS 11, 23... Hydraulic cylinder, 12, 24... Piston rod, 13... Rotary valve, 14... Input shaft, 15, 16... Connecting rod, 18... Push-pull wire, 20... Rack, 21... Pinion.
Claims (1)
応じて回転し、入力軸の回転に応じて選択的に油
圧シリンダ内の左右の部屋に選択的に油圧を送り
込んで車輪を操舵する前輪用ロータリ弁と、後輪
操舵用油圧シリンダと、入力軸の回転に応じて選
択的に油圧シリンダ内の左右の室に選択的に油圧
を送り込んで車輪を操舵する後輪用ロータリ弁と
、車速に応じた油圧を発生する油圧発生回路と、
上記前輪操舵用油圧シリンダのピストンロツドの
動きを上記後輪用ロータリ弁の回転に伝え上記油
圧発生回路からの油圧に基づきリンク比を車速に
応じて変化させるリンク比可変機構とを具備した
ことを特徴とする４輪操舵装置。 A hydraulic cylinder for steering the front wheels, and a rotary valve for the front wheels that rotates in response to the rotation of the handle and selectively sends hydraulic pressure to the left and right chambers in the hydraulic cylinder in response to the rotation of the input shaft to steer the wheels. , a hydraulic cylinder for rear wheel steering, a rotary valve for the rear wheels that selectively sends hydraulic pressure to the left and right chambers in the hydraulic cylinder to steer the wheels according to the rotation of the input shaft, and a hydraulic cylinder according to the vehicle speed. A hydraulic pressure generation circuit that generates
It is characterized by comprising a link ratio variable mechanism that transmits the movement of the piston rod of the front wheel steering hydraulic cylinder to the rotation of the rear wheel rotary valve and changes the link ratio in accordance with the vehicle speed based on the oil pressure from the oil pressure generation circuit. A four-wheel steering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13101285U JPS6238782U (en) | 1985-08-28 | 1985-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13101285U JPS6238782U (en) | 1985-08-28 | 1985-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6238782U true JPS6238782U (en) | 1987-03-07 |
Family
ID=31029061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13101285U Pending JPS6238782U (en) | 1985-08-28 | 1985-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0181382U (en) * | 1987-11-20 | 1989-05-31 |
-
1985
- 1985-08-28 JP JP13101285U patent/JPS6238782U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0181382U (en) * | 1987-11-20 | 1989-05-31 |
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