JPS60450U - Construction machinery hydraulic circuit - Google Patents

Construction machinery hydraulic circuit

Info

Publication number
JPS60450U
JPS60450U JP8981183U JP8981183U JPS60450U JP S60450 U JPS60450 U JP S60450U JP 8981183 U JP8981183 U JP 8981183U JP 8981183 U JP8981183 U JP 8981183U JP S60450 U JPS60450 U JP S60450U
Authority
JP
Japan
Prior art keywords
hydraulic circuit
construction machinery
machinery hydraulic
controls
cylinder
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
JP8981183U
Other languages
Japanese (ja)
Inventor
長友 正嗣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP8981183U priority Critical patent/JPS60450U/en
Publication of JPS60450U publication Critical patent/JPS60450U/en
Pending legal-status Critical Current

Links

Landscapes

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

図面はこの考案の一実施例を示す回路図である。 3はパケット操作弁、4はリフト操作弁、5はアタッチ
メント操作弁、8はパケットシリンダ、9はリフトシリ
ンダで11はアタッチメントシリンダ。
The drawing is a circuit diagram showing an embodiment of this invention. 3 is a packet operation valve, 4 is a lift operation valve, 5 is an attachment operation valve, 8 is a packet cylinder, 9 is a lift cylinder, and 11 is an attachment cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パケットシリンダ8を制御するパケット操作弁3とリフ
トシリンダ9を制御するリフト操作弁4を直列接続する
と共に、上記各操作弁3.4と、アタッチメントシリン
ダ11を制御するアタッチメント操作弁5を並列接続し
てなる建設機械の作業機油圧回路。
The packet operation valve 3 that controls the packet cylinder 8 and the lift operation valve 4 that controls the lift cylinder 9 are connected in series, and each of the above operation valves 3.4 and the attachment operation valve 5 that controls the attachment cylinder 11 are connected in parallel. Hydraulic circuit for construction machinery.
JP8981183U 1983-06-14 1983-06-14 Construction machinery hydraulic circuit Pending JPS60450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8981183U JPS60450U (en) 1983-06-14 1983-06-14 Construction machinery hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8981183U JPS60450U (en) 1983-06-14 1983-06-14 Construction machinery hydraulic circuit

Publications (1)

Publication Number Publication Date
JPS60450U true JPS60450U (en) 1985-01-05

Family

ID=30219704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8981183U Pending JPS60450U (en) 1983-06-14 1983-06-14 Construction machinery hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS60450U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020128819A (en) * 2016-09-27 2020-08-27 株式会社クボタ Hydraulic system of work machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020128819A (en) * 2016-09-27 2020-08-27 株式会社クボタ Hydraulic system of work machine

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