JPS6193552U - - Google Patents

Info

Publication number
JPS6193552U
JPS6193552U JP17861884U JP17861884U JPS6193552U JP S6193552 U JPS6193552 U JP S6193552U JP 17861884 U JP17861884 U JP 17861884U JP 17861884 U JP17861884 U JP 17861884U JP S6193552 U JPS6193552 U JP S6193552U
Authority
JP
Japan
Prior art keywords
pilot
hydraulic pressure
traveling
set hydraulic
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.)
Pending
Application number
JP17861884U
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 JP17861884U priority Critical patent/JPS6193552U/ja
Publication of JPS6193552U publication Critical patent/JPS6193552U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)

Description

【図面の簡単な説明】
第１図は本考案一実施例の構成説明図、第２図
は従来の油圧セツト圧力可変回路装置の構成説明
図である。 １は走行用ポンプ、６は走行操作弁、８は２段
リリーフ弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 走行用ポンプ１の吐出側に設けられてリリーフ
    セツト油圧を設定する２段リリーフ弁８の圧力導
    入ポート８Ａに、走行操作弁６のパイロツト操作
    回路Ａのパイロツト油圧を導入するようにしたこ
    とを特徴とするパワーシヨベルのセツト油圧可変
    回路装置。
JP17861884U 1984-11-27 1984-11-27 Pending JPS6193552U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17861884U JPS6193552U (ja) 1984-11-27 1984-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17861884U JPS6193552U (ja) 1984-11-27 1984-11-27

Publications (1)

Publication Number Publication Date
JPS6193552U true JPS6193552U (ja) 1986-06-17

Family

ID=30736183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17861884U Pending JPS6193552U (ja) 1984-11-27 1984-11-27

Country Status (1)

Country Link
JP (1) JPS6193552U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008190A1 (en) * 1988-02-25 1989-09-08 Kabushiki Kaisya Komatsu Seisakusyo Hydraulic control unit of hydraulic excavators

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254876A (en) * 1975-10-28 1977-05-04 Caterpillar Tractor Co Balance change valve for changing pressure which is held at central position by means of spring

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254876A (en) * 1975-10-28 1977-05-04 Caterpillar Tractor Co Balance change valve for changing pressure which is held at central position by means of spring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008190A1 (en) * 1988-02-25 1989-09-08 Kabushiki Kaisya Komatsu Seisakusyo Hydraulic control unit of hydraulic excavators

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