JPS59102663U - Hydraulic circuit for swing equipment - Google Patents

Hydraulic circuit for swing equipment

Info

Publication number
JPS59102663U
JPS59102663U JP19687082U JP19687082U JPS59102663U JP S59102663 U JPS59102663 U JP S59102663U JP 19687082 U JP19687082 U JP 19687082U JP 19687082 U JP19687082 U JP 19687082U JP S59102663 U JPS59102663 U JP S59102663U
Authority
JP
Japan
Prior art keywords
hydraulic circuit
swing
swing equipment
control valve
engine
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
JP19687082U
Other languages
Japanese (ja)
Inventor
「たか」野　靖郎
Original Assignee
石川島播磨重工業株式会社
石川島建機株式会社
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 by 石川島播磨重工業株式会社, 石川島建機株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP19687082U priority Critical patent/JPS59102663U/en
Publication of JPS59102663U publication Critical patent/JPS59102663U/en
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Jib Cranes (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の旋回装置用油圧回路の説明図、第２図は
本考案の旋回装置用油圧回路の説明図である。 図中、１は油圧ポンプ、２はコントロールバルブ、３は
クッション弁、４は旋回モータ、６はシャットオフバル
ブを示す。FIG. 1 is an explanatory diagram of a conventional hydraulic circuit for a swing device, and FIG. 2 is an explanatory diagram of a hydraulic circuit for a swing device according to the present invention. In the figure, 1 is a hydraulic pump, 2 is a control valve, 3 is a cushion valve, 4 is a swing motor, and 6 is a shutoff valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンにより駆動される油圧ポンプからコントロール
バルブを経て送られる圧油により旋回モータを回転させ
る旋回装置用油圧回路において、前記コントロールバル
ブの旋回モータ側にエンジン停止時の油圧変化に基づい
て開閉するシャットオフバルブを設けたことを特徴とす
る旋回装置用油圧回路。In a hydraulic circuit for a swing device that rotates a swing motor using pressure oil sent from a hydraulic pump driven by an engine via a control valve, there is a shutoff on the swing motor side of the control valve that opens and closes based on changes in oil pressure when the engine is stopped. A hydraulic circuit for a swing device characterized by being provided with a valve.
JP19687082U 1982-12-27 1982-12-27 Hydraulic circuit for swing equipment Pending JPS59102663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19687082U JPS59102663U (en) 1982-12-27 1982-12-27 Hydraulic circuit for swing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19687082U JPS59102663U (en) 1982-12-27 1982-12-27 Hydraulic circuit for swing equipment

Publications (1)

Publication Number Publication Date
JPS59102663U true JPS59102663U (en) 1984-07-10

Family

ID=30422119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19687082U Pending JPS59102663U (en) 1982-12-27 1982-12-27 Hydraulic circuit for swing equipment

Country Status (1)

Country Link
JP (1) JPS59102663U (en)

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