JPH0341203U - - Google Patents

Info

Publication number
JPH0341203U
JPH0341203U JP10304689U JP10304689U JPH0341203U JP H0341203 U JPH0341203 U JP H0341203U JP 10304689 U JP10304689 U JP 10304689U JP 10304689 U JP10304689 U JP 10304689U JP H0341203 U JPH0341203 U JP H0341203U
Authority
JP
Japan
Prior art keywords
swing motor
relief valve
pressure
swing
motor circuit
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
JP10304689U
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 JP10304689U priority Critical patent/JPH0341203U/ja
Publication of JPH0341203U publication Critical patent/JPH0341203U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図はこの考案にかかる旋回モータ回路図、
第2図は油圧シヨベルの側面図、第3図は従来技
術の旋回モータ回路図である。 2……上部旋回体、3……旋回モータ、5,6
,35,36……リリーフ弁、9……旋回用パイ
ロツト切換弁、12,13……メインポンプ、1
4……パイロツトポンプ、20……旋回用リモコ
ン弁、21,43……シヤトル弁、37,38…
…リリーフ設定圧可変機構、41,42……増圧
作動用ポート。

Claims (1)

    【実用新案登録請求の範囲】
  1. 旋回モータの起動時または停止時における高圧
    油を逃がすようにしたリリーフ弁をそなえた旋回
    モータ回路において、旋回モータに、リリーフ設
    定圧可変機構をそなえたリリーフ弁を接続し、そ
    のリリーフ弁の増圧作動用ポートに旋回パイロツ
    ト圧を作用せしめるように構成したことを特徴と
    する旋回モータ回路。
JP10304689U 1989-08-31 1989-08-31 Pending JPH0341203U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10304689U JPH0341203U (ja) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10304689U JPH0341203U (ja) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0341203U true JPH0341203U (ja) 1991-04-19

Family

ID=31651909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10304689U Pending JPH0341203U (ja) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0341203U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012737A1 (en) * 1992-12-02 1994-06-09 Kabushiki Kaisha Komatsu Seisakusho Swing hydraulic circuit in construction machine
JP2001065504A (ja) * 1999-07-27 2001-03-16 Caterpillar Inc 作業機械の電気油圧システムの方法と装置
EP1384902A3 (en) * 1996-06-28 2004-02-25 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Construction machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175607A (ja) * 1983-03-24 1984-10-04 Nippon Air Brake Co Ltd アクチユエ−タの駆動回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175607A (ja) * 1983-03-24 1984-10-04 Nippon Air Brake Co Ltd アクチユエ−タの駆動回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012737A1 (en) * 1992-12-02 1994-06-09 Kabushiki Kaisha Komatsu Seisakusho Swing hydraulic circuit in construction machine
EP1384902A3 (en) * 1996-06-28 2004-02-25 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Construction machine
JP2001065504A (ja) * 1999-07-27 2001-03-16 Caterpillar Inc 作業機械の電気油圧システムの方法と装置

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