JPS6424703U - - Google Patents

Info

Publication number
JPS6424703U
JPS6424703U JP11911287U JP11911287U JPS6424703U JP S6424703 U JPS6424703 U JP S6424703U JP 11911287 U JP11911287 U JP 11911287U JP 11911287 U JP11911287 U JP 11911287U JP S6424703 U JPS6424703 U JP S6424703U
Authority
JP
Japan
Prior art keywords
valve
type switching
switching valve
pilot type
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.)
Granted
Application number
JP11911287U
Other languages
English (en)
Other versions
JPH066247Y2 (ja
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 JP1987119112U priority Critical patent/JPH066247Y2/ja
Publication of JPS6424703U publication Critical patent/JPS6424703U/ja
Application granted granted Critical
Publication of JPH066247Y2 publication Critical patent/JPH066247Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例の油圧回路図、第2図
は従来装置の油圧回路図である。 1……液圧源(液圧ポンプ)、3……作動シリ
ンダ、4,5……液室、7……パイロツト式切換
弁、11,12……流路、14……ロジツク弁、
15……ばね室、16……2次側ポート、17…
…スプリングセツトパイロツト式切換弁、18…
…パイロツトライン、19……チエツク弁付絞り
弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 液圧源と作動シリンダの両液室とをパイロツト
    式切換弁を介して接続し、作動シリンダの一方の
    液室とパイロツト式切換弁とをつなぐ流路にロジ
    ツク弁を配設すると共に、このロジツク弁のばね
    室を、パイロツト式切換弁の機能位置から中立位
    置への切換わりと共にタンクに中立位置から機能
    位置への切換わりと共にロジツク弁の2次側ポー
    トに接続するスプリングセツトパイロツト式切換
    弁を備えた作動シリンダ液圧回路において、前記
    スプリングセツトパイロツト式切換弁のパイロツ
    トラインにチエツク弁付絞り弁を配設したことを
    特徴とする作動シリンダ制御装置。
JP1987119112U 1987-08-03 1987-08-03 作動シリンダ制御装置 Expired - Lifetime JPH066247Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987119112U JPH066247Y2 (ja) 1987-08-03 1987-08-03 作動シリンダ制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987119112U JPH066247Y2 (ja) 1987-08-03 1987-08-03 作動シリンダ制御装置

Publications (2)

Publication Number Publication Date
JPS6424703U true JPS6424703U (ja) 1989-02-10
JPH066247Y2 JPH066247Y2 (ja) 1994-02-16

Family

ID=31364059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987119112U Expired - Lifetime JPH066247Y2 (ja) 1987-08-03 1987-08-03 作動シリンダ制御装置

Country Status (1)

Country Link
JP (1) JPH066247Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008115942A (ja) * 2006-11-02 2008-05-22 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7211687B2 (ja) 2018-10-17 2023-01-24 キャタピラー エス エー アール エル 降下防止弁装置、ブレード装置および作業機械

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62140204U (ja) * 1986-02-28 1987-09-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62140204U (ja) * 1986-02-28 1987-09-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008115942A (ja) * 2006-11-02 2008-05-22 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置

Also Published As

Publication number Publication date
JPH066247Y2 (ja) 1994-02-16

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