JPS5969252U - Multi-joint mechanism hydraulic control device - Google Patents
Multi-joint mechanism hydraulic control deviceInfo
- Publication number
- JPS5969252U JPS5969252U JP16574382U JP16574382U JPS5969252U JP S5969252 U JPS5969252 U JP S5969252U JP 16574382 U JP16574382 U JP 16574382U JP 16574382 U JP16574382 U JP 16574382U JP S5969252 U JPS5969252 U JP S5969252U
- Authority
- JP
- Japan
- Prior art keywords
- joint mechanism
- control device
- hydraulic control
- switching valve
- valve
- 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
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1. 2. 3図は油圧パワーショベルの多関節゛機
構を示す説明図、第4図は従来の液圧制御装置を示す回
路図、第5図は本案に係る多関節機構の液圧制御装置の
一実施例を示す回路図である。
1〜14・・・多関節機構、8. 11. 14・・・
シリンダ、32・・・ハイロットポンプ、36・・・コ
ントロール弁、40・・・パイロン)弁、51.52・
・・切換弁。1st. 2. Fig. 3 is an explanatory diagram showing a multi-joint mechanism of a hydraulic power shovel, Fig. 4 is a circuit diagram showing a conventional hydraulic pressure control device, and Fig. 5 is an embodiment of the multi-joint mechanism hydraulic control device according to the present invention. FIG. 1-14...Multi-joint mechanism, 8. 11. 14...
Cylinder, 32...Hilot pump, 36...Control valve, 40...Pylon) valve, 51.52.
...Switching valve.
Claims (1)
介して駆動、制御する多関節機構の液圧制御装置におい
て、ある1つのシリンダを駆動して他のシリンダに負圧
が生じたときに同負圧によ−り作動する切換弁51と、
同切換弁51が作動したときにパイロットポンプからパ
イロット弁を経てコントロール弁に至る回路を遮断する
切換弁52とを具えていることを特徴とした多関節機構
の液圧制御装置。In a hydraulic pressure control device for a multi-joint mechanism that drives and controls a multi-joint mechanism such as a hydraulic power shovel via multiple cylinders, when one cylinder is driven and negative pressure is generated in other cylinders, the same negative pressure occurs. a switching valve 51 operated by pressure;
A multi-joint mechanism hydraulic control device comprising a switching valve 52 that shuts off a circuit from the pilot pump to the control valve via the pilot valve when the switching valve 51 is activated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16574382U JPS5969252U (en) | 1982-11-02 | 1982-11-02 | Multi-joint mechanism hydraulic control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16574382U JPS5969252U (en) | 1982-11-02 | 1982-11-02 | Multi-joint mechanism hydraulic control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5969252U true JPS5969252U (en) | 1984-05-10 |
JPH0320367Y2 JPH0320367Y2 (en) | 1991-05-01 |
Family
ID=30363038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16574382U Granted JPS5969252U (en) | 1982-11-02 | 1982-11-02 | Multi-joint mechanism hydraulic control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5969252U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01111928A (en) * | 1987-10-26 | 1989-04-28 | Hitachi Constr Mach Co Ltd | Oil-pressure driver for loading shovel |
-
1982
- 1982-11-02 JP JP16574382U patent/JPS5969252U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01111928A (en) * | 1987-10-26 | 1989-04-28 | Hitachi Constr Mach Co Ltd | Oil-pressure driver for loading shovel |
Also Published As
Publication number | Publication date |
---|---|
JPH0320367Y2 (en) | 1991-05-01 |
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