JPS5969252U - Multi-joint mechanism hydraulic control device - Google Patents

Multi-joint mechanism hydraulic control device

Info

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
Application number
JP16574382U
Other languages
Japanese (ja)
Other versions
JPH0320367Y2 (en
Inventor
阿部　美平
土居崎　圓治
長浜　利夫
野坂　寛
Original Assignee
新キャタピラ−三菱株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 新キャタピラ−三菱株式会社 filed Critical 新キャタピラ−三菱株式会社
Priority to JP16574382U priority Critical patent/JPS5969252U/en
Publication of JPS5969252U publication Critical patent/JPS5969252U/en
Application granted granted Critical
Publication of JPH0320367Y2 publication Critical patent/JPH0320367Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧パワーショベル等の多関節機構を複数のシリンダを
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.
JP16574382U 1982-11-02 1982-11-02 Multi-joint mechanism hydraulic control device Granted JPS5969252U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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