JPH01103478U - - Google Patents
Info
- Publication number
- JPH01103478U JPH01103478U JP19997887U JP19997887U JPH01103478U JP H01103478 U JPH01103478 U JP H01103478U JP 19997887 U JP19997887 U JP 19997887U JP 19997887 U JP19997887 U JP 19997887U JP H01103478 U JPH01103478 U JP H01103478U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pilot
- flow path
- stop valve
- pilot flow
- 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
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
図面第1,2図はこの考案の実施例を示すもの
で、第1図は回路図、第2図はストツプ弁の断面
図、第3,4図は第2実施例を示すもので、第3
図はストツプ弁の図記号、第4図はストツプ弁の
断面図、第5図は従来の回路図である。
P……ポンプ、10,11……パワーシリンダ
、b……コントロールバルブユニツト、V……切
換弁、18,21……パイロツト流路、c……ス
トツプバルブ機構、35……ストツプ弁。
Figures 1 and 2 show an embodiment of this invention; Figure 1 is a circuit diagram; Figure 2 is a cross-sectional view of the stop valve; Figures 3 and 4 are a second embodiment; 3
The figure shows the symbol of a stop valve, FIG. 4 is a sectional view of the stop valve, and FIG. 5 is a conventional circuit diagram. P... Pump, 10, 11... Power cylinder, b... Control valve unit, V... Switching valve, 18, 21... Pilot flow path, c... Stop valve mechanism, 35... 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
設け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、一方のパイロツト流路に1つの
ストツプ弁を設けるとともに、このストツプ弁は
、ノーマル位置で当該一方のパイロツト流路を開
き、その切り換え位置で当該一方のパイロツト流
路の供給流れを阻止したり、あるいはその戻り流
れを阻止したりする構成にし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. The valve is equipped with a stop valve mechanism provided in a pilot flow path connecting the pilot chamber of the valve, and this stop valve mechanism is provided with one stop valve in one pilot flow path, and this stop valve is in a normal position. A steering control device configured to open a pilot flow path and block the supply flow of one pilot flow path or the return flow at the switching position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19997887U JPH01103478U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19997887U JPH01103478U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01103478U true JPH01103478U (en) | 1989-07-12 |
Family
ID=31490407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19997887U Pending JPH01103478U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01103478U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5341414A (en) * | 1976-09-27 | 1978-04-14 | Takeda Chem Ind Ltd | Hydrate crystals of carbocromene hydrochloride |
JPS60143184A (en) * | 1983-12-29 | 1985-07-29 | Hino Motors Ltd | Control valve for power steering |
-
1987
- 1987-12-28 JP JP19997887U patent/JPH01103478U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5341414A (en) * | 1976-09-27 | 1978-04-14 | Takeda Chem Ind Ltd | Hydrate crystals of carbocromene hydrochloride |
JPS60143184A (en) * | 1983-12-29 | 1985-07-29 | Hino Motors Ltd | Control valve for power steering |