JPS6229975U - - Google Patents
Info
- Publication number
- JPS6229975U JPS6229975U JP12211385U JP12211385U JPS6229975U JP S6229975 U JPS6229975 U JP S6229975U JP 12211385 U JP12211385 U JP 12211385U JP 12211385 U JP12211385 U JP 12211385U JP S6229975 U JPS6229975 U JP S6229975U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- valve mechanism
- switching
- valve
- 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.)
- Granted
Links
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
図面第１図はこの考案の実施例を示す要部の回
路図、第２図は従来の制御装置の回路図である。
１０，１１……パワーシリンダ、ａ……ステア
リングバルブ機構、Ｖ……切換弁、１８，２１…
…パイロツト流路、ｃ……ストツプバルブ機構、
２２，２３……ストツプ弁。
FIG. 1 is a circuit diagram of a main part showing an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional control device. 10, 11... Power cylinder, a... Steering valve mechanism, V... Switching valve, 18, 21...
...pilot flow path, c...stop valve mechanism,
22, 23...Stop valve.
Claims (1)
ワーシリンダに供給する作動油を制御する切換弁
と、この切換弁のパイロツト室に供給するパイロ
ツト流量を制御するコントロールバルブユニツト
と、このコントロールバルブユニツトと上記切換
弁のパイロツト室とを接続するパイロツト流路に
接続したストツプバルブ機構とを備え、このスト
ツプバルブ機構は、そのノーマル位置で上記パイ
ロツト流路を開放し、切換位置でこのパイロツト
流路を閉じる構成にするとともに、限界操舵角直
前に、このストツプバルブ機構を上記切換位置に
切換える構成にしたステアリング制御装置におい
て、ストツプバルブ機構を切換位置に切換えたと
き、このストツプバルブ機構とステアリングバル
ブ機構との間におけるパイロツト流路をタンクに
連通させる機構を設けたステアリング制御装置。 A power cylinder that specifies the steering direction, a switching valve that controls the hydraulic oil supplied to the power cylinder, a control valve unit that controls the pilot flow rate that is supplied to the pilot chamber of the switching valve, and this control valve unit and the switching valve. and a stop valve mechanism connected to a pilot passage connecting the pilot chamber of the valve, the stop valve mechanism opening the pilot passage in its normal position and closing the pilot passage in its switching position. In a steering control device configured to switch the stop valve mechanism to the switching position just before the limit steering angle, when the stop valve mechanism is switched to the switching position, the pilot flow path between the stop valve mechanism and the steering valve mechanism is closed to the tank. A steering control device equipped with a mechanism that communicates with the
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985122113U JPH0730454Y2 (en) | 1985-08-08 | 1985-08-08 | Steering control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985122113U JPH0730454Y2 (en) | 1985-08-08 | 1985-08-08 | Steering control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6229975U true JPS6229975U (en) | 1987-02-23 |
| JPH0730454Y2 JPH0730454Y2 (en) | 1995-07-12 |
Family
ID=31012004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985122113U Expired - Lifetime JPH0730454Y2 (en) | 1985-08-08 | 1985-08-08 | Steering control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730454Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194603U (en) * | 1983-06-10 | 1984-12-24 | 株式会社 加藤製作所 | Switching delay prevention device for directional valves |
| JPS60103073U (en) * | 1983-12-20 | 1985-07-13 | カヤバ工業株式会社 | steering circuit |
-
1985
- 1985-08-08 JP JP1985122113U patent/JPH0730454Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194603U (en) * | 1983-06-10 | 1984-12-24 | 株式会社 加藤製作所 | Switching delay prevention device for directional valves |
| JPS60103073U (en) * | 1983-12-20 | 1985-07-13 | カヤバ工業株式会社 | steering circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730454Y2 (en) | 1995-07-12 |