JPS60178602U - Hydraulic circuit of hydraulic machine - Google Patents

Hydraulic circuit of hydraulic machine

Info

Publication number
JPS60178602U
JPS60178602U JP6607284U JP6607284U JPS60178602U JP S60178602 U JPS60178602 U JP S60178602U JP 6607284 U JP6607284 U JP 6607284U JP 6607284 U JP6607284 U JP 6607284U JP S60178602 U JPS60178602 U JP S60178602U
Authority
JP
Japan
Prior art keywords
hydraulic
directional control
circuit
machine
hydraulic 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
JP6607284U
Other languages
Japanese (ja)
Inventor
朝倉 信勝
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP6607284U priority Critical patent/JPS60178602U/en
Publication of JPS60178602U publication Critical patent/JPS60178602U/en
Pending legal-status Critical Current

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Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Component Parts Of Construction Machinery (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 the drawing]

第1図は従来の油圧機械の油圧回路の一例として挙げた
油圧ショベルの油圧回路の基本構成を示す回路図、第2
図は本考案の油圧機械の油圧回路の一実施例の基本構成
を示す回路図である。 3・・・・・・方向切換弁、4・・・・・・ブームシリ
くダ(アクチュエータ)、6・・・・・・作動油ヨンク
、1セ・・量弁体、14・・・・・・管路。
Figure 1 is a circuit diagram showing the basic configuration of the hydraulic circuit of a hydraulic excavator, which is taken as an example of the hydraulic circuit of a conventional hydraulic machine.
The figure is a circuit diagram showing the basic configuration of an embodiment of the hydraulic circuit of the hydraulic machine of the present invention. 3...Directional switching valve, 4...Boom cylinder (actuator), 6...Hydraulic oil valve, 1st volume valve body, 14...・Pipeline.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アクチュエータの駆動を制御する方向切換弁−と、この
方向切換弁に連絡される作動油タンクと、これらの方向
切換弁と作動油タンクとを連絡する管路とを備えた油圧
機械の油圧回路において、上記方向切換弁のタンク戻り
油側の出口近傍の上記管路部分に、直動形の弁体を配置
したことを特徴とする油圧機械の油圧回路。
In a hydraulic circuit of a hydraulic machine including a directional control valve for controlling the drive of an actuator, a hydraulic oil tank connected to the directional control valve, and a pipe line connecting these directional control valves and the hydraulic oil tank. A hydraulic circuit for a hydraulic machine, characterized in that a direct-acting valve body is disposed in the conduit portion near the outlet on the tank return oil side of the directional switching valve.
JP6607284U 1984-05-08 1984-05-08 Hydraulic circuit of hydraulic machine Pending JPS60178602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6607284U JPS60178602U (en) 1984-05-08 1984-05-08 Hydraulic circuit of hydraulic machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6607284U JPS60178602U (en) 1984-05-08 1984-05-08 Hydraulic circuit of hydraulic machine

Publications (1)

Publication Number Publication Date
JPS60178602U true JPS60178602U (en) 1985-11-27

Family

ID=30598636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6607284U Pending JPS60178602U (en) 1984-05-08 1984-05-08 Hydraulic circuit of hydraulic machine

Country Status (1)

Country Link
JP (1) JPS60178602U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830110A (en) * 1971-08-22 1973-04-20
JPS4841987B1 (en) * 1967-02-17 1973-12-10
JPS5754624A (en) * 1980-09-18 1982-04-01 Hitachi Constr Mach Co Ltd Hydraulic control circuit for pile driving hammer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841987B1 (en) * 1967-02-17 1973-12-10
JPS4830110A (en) * 1971-08-22 1973-04-20
JPS5754624A (en) * 1980-09-18 1982-04-01 Hitachi Constr Mach Co Ltd Hydraulic control circuit for pile driving hammer

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