JPS6229974U - - Google Patents
Info
- Publication number
- JPS6229974U JPS6229974U JP12211285U JP12211285U JPS6229974U JP S6229974 U JPS6229974 U JP S6229974U JP 12211285 U JP12211285 U JP 12211285U JP 12211285 U JP12211285 U JP 12211285U JP S6229974 U JPS6229974 U JP S6229974U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- flow path
- valve
- switching
- 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１〜３図はこの考案の第１〜３実施例を
示す要部の回路図、第４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、ｂ……コント
ロールバルブユニツト、Ｖ……切換弁、１８，２
１……パイロツト流路、ｃ……ストツプバルブ機
構、４４，４５，５０，５１……流通機構として
のオリフイス、４６，４７……流通機構としての
リリーフ弁。
Figures 1 to 3 are circuit diagrams of essential parts showing the first to third embodiments of this invention, and Figure 4 is a circuit diagram of a conventional control device. 10, 11...Power cylinder, b...Control valve unit, V...Switching valve, 18,2
1...Pilot channel, c...Stop valve mechanism, 44, 45, 50, 51...Orifice as a flow mechanism, 46, 47...Relief valve as a flow mechanism.
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、上記パイロツト流路が閉じられたときにも、
それに絞り抵抗を付与しつつ所定量の流れを許容
する流通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 flow path connecting the pilot chamber of the valve, and this stop valve mechanism is configured to open the pilot flow path in its normal position and close the pilot flow path in its switching position. In the steering control device configured to switch the stop valve mechanism to the switching position immediately before the limit steering angle, even when the pilot flow path is closed,
A steering control device that is equipped with a flow mechanism that allows a predetermined amount of flow while providing throttle resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12211285U JPS6229974U (en) | 1985-08-08 | 1985-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12211285U JPS6229974U (en) | 1985-08-08 | 1985-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6229974U true JPS6229974U (en) | 1987-02-23 |
Family
ID=31012002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12211285U Pending JPS6229974U (en) | 1985-08-08 | 1985-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6229974U (en) |
-
1985
- 1985-08-08 JP JP12211285U patent/JPS6229974U/ja active Pending
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