JPS60151965U - Construction machinery unloading circuit - Google Patents

Construction machinery unloading circuit

Info

Publication number
JPS60151965U
JPS60151965U JP3764584U JP3764584U JPS60151965U JP S60151965 U JPS60151965 U JP S60151965U JP 3764584 U JP3764584 U JP 3764584U JP 3764584 U JP3764584 U JP 3764584U JP S60151965 U JPS60151965 U JP S60151965U
Authority
JP
Japan
Prior art keywords
construction machinery
unloading circuit
pilot pressure
servo cylinder
machinery unloading
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
JP3764584U
Other languages
Japanese (ja)
Inventor
上原　一男
健三 田中
三好　八岑
鯉渕　芳栄
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP3764584U priority Critical patent/JPS60151965U/en
Publication of JPS60151965U publication Critical patent/JPS60151965U/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。 ２５は可変ポンプ、２６はサーボシリンダ、３０は管路
、４１はアンロード弁。 １」 汀−屯The drawing is a circuit diagram showing an embodiment of this invention. Ru. 25 is a variable pump, 26 is a servo cylinder, 30 is a pipe line, and 41 is an unload valve. 1” Ting-Tun

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] サーボシリンダ２６により斜板傾転角が制御される可変
ポンプ２５の吐出管路３０に、上記サーボシリンダ２６
ヘパイロツト圧が供給されているとき遮断され、パイロ
ット圧の消滅とともに連通されるアンロード弁４１を接
続してなる建設機械のアンロード回路。The servo cylinder 26 is connected to the discharge pipe 30 of the variable pump 25 whose swash plate tilt angle is controlled by the servo cylinder 26.
An unloading circuit for construction machinery connected to an unloading valve 41 which is shut off when pilot pressure is supplied and opened when the pilot pressure disappears.
JP3764584U 1984-03-16 1984-03-16 Construction machinery unloading circuit Pending JPS60151965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3764584U JPS60151965U (en) 1984-03-16 1984-03-16 Construction machinery unloading circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3764584U JPS60151965U (en) 1984-03-16 1984-03-16 Construction machinery unloading circuit

Publications (1)

Publication Number Publication Date
JPS60151965U true JPS60151965U (en) 1985-10-09

Family

ID=30543918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3764584U Pending JPS60151965U (en) 1984-03-16 1984-03-16 Construction machinery unloading circuit

Country Status (1)

Country Link
JP (1) JPS60151965U (en)

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