JPS61206756U - - Google Patents

Info

Publication number
JPS61206756U
JPS61206756U JP8744085U JP8744085U JPS61206756U JP S61206756 U JPS61206756 U JP S61206756U JP 8744085 U JP8744085 U JP 8744085U JP 8744085 U JP8744085 U JP 8744085U JP S61206756 U JPS61206756 U JP S61206756U
Authority
JP
Japan
Prior art keywords
valve
operating
operating device
power shovel
pilot
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
Application number
JP8744085U
Other languages
English (en)
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 filed Critical
Priority to JP8744085U priority Critical patent/JPS61206756U/ja
Publication of JPS61206756U publication Critical patent/JPS61206756U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す回路図、第２図
のＡ，Ｂはシヤトル弁の他例を示す説明図である
。 １はブームシリンダ、２はアームシリンダ、３
はバケツトシリンダ、４，５は操作弁群、６ａ，
６ｂ，７ａ，７ｂ，８ａ，８ｂ，９ａ，９ｂは操
作弁、１２は圧力比例制御弁、１４はシヤトル弁
、１５は電磁比例制御弁、１７はコントローラ。

Claims (1)

    【実用新案登録請求の範囲】
  1. パイロツト圧にて切換制御される操作弁を介し
    て油圧源とアクチエータを接続したパワーシヨベ
    ルの操作装置において、操作弁のパイロツト回路
    に、シヤトル弁等のパイロツト圧切換弁を介して
    圧力比例制御弁と電気油圧サーボ弁を接続したこ
    とを特徴とするパワーシヨベルの操作装置。
JP8744085U 1985-06-12 1985-06-12 Pending JPS61206756U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8744085U JPS61206756U (ja) 1985-06-12 1985-06-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8744085U JPS61206756U (ja) 1985-06-12 1985-06-12

Publications (1)

Publication Number Publication Date
JPS61206756U true JPS61206756U (ja) 1986-12-27

Family

ID=30639658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8744085U Pending JPS61206756U (ja) 1985-06-12 1985-06-12

Country Status (1)

Country Link
JP (1) JPS61206756U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0250449U (ja) * 1988-09-29 1990-04-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0250449U (ja) * 1988-09-29 1990-04-09

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