JPH0341211U - - Google Patents

Info

Publication number
JPH0341211U
JPH0341211U JP10104789U JP10104789U JPH0341211U JP H0341211 U JPH0341211 U JP H0341211U JP 10104789 U JP10104789 U JP 10104789U JP 10104789 U JP10104789 U JP 10104789U JP H0341211 U JPH0341211 U JP H0341211U
Authority
JP
Japan
Prior art keywords
load
line
load holding
valve
holding
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
JP10104789U
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 JP10104789U priority Critical patent/JPH0341211U/ja
Publication of JPH0341211U publication Critical patent/JPH0341211U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は本考案の油圧および電気回路図、第2
図は従来例を示す。 1……コントロールバルブ、a……負荷上げ側
パイロツト回路、b……負荷下げ側パイロツト管
路、2……パイロツト弁、2′……操作レバー、
3……負荷保持管路、4……チエツク弁、5……
パイロツト管路、6……パイロツトチエツク弁、
7……保持切換弁、8……保持管路、9……負荷
保持弁、10……アクチユエータ、P……ポンプ
、T……タンク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 負荷を上下させるアクチユエータ10と負荷保
    持管路3との間に挿入された負荷保持弁9の保持
    切換弁7のパイロツト管路5を、前記アクチユエ
    ータ10のコントロールバルブ1の負荷下げ側パ
    イロツト管路bに連通させると共にチエツク弁4
    を介して前記負荷保持管路3に接続し、前記チエ
    ツク弁4はパイロツト管路5側から負荷保持管路
    3側への流通のみを許容することを特徴とする負
    荷保持油圧回路。
JP10104789U 1989-08-31 1989-08-31 Pending JPH0341211U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10104789U JPH0341211U (ja) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10104789U JPH0341211U (ja) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0341211U true JPH0341211U (ja) 1991-04-19

Family

ID=31650020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10104789U Pending JPH0341211U (ja) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0341211U (ja)

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