JPH01148103U - - Google Patents

Info

Publication number
JPH01148103U
JPH01148103U JP4422788U JP4422788U JPH01148103U JP H01148103 U JPH01148103 U JP H01148103U JP 4422788 U JP4422788 U JP 4422788U JP 4422788 U JP4422788 U JP 4422788U JP H01148103 U JPH01148103 U JP H01148103U
Authority
JP
Japan
Prior art keywords
valve
pressure
passage
side passage
operates
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
JP4422788U
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 JP4422788U priority Critical patent/JPH01148103U/ja
Publication of JPH01148103U publication Critical patent/JPH01148103U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は、本考案の実施例の回路図。第２図は
本考案と従来技術のバイパス通路の流過特性線図
。第３図は従来技術の回路図。 ２，２ａ……アクチユエータ、３，３ａ……方
向切換弁、４……カウンタバランスバルブ、５…
…低圧リリーフ弁、６……絞り、１１……供給側
通路、１２……排出側通路、１３……バイパス通
路。

Claims (1)

  1. 【実用新案登録請求の範囲】 方向切換弁の操作によつて油圧アクチユエータ
    をそれに加わる荷重と同一方向へ駆動させる回路
    の排出側通路に、前記方向切換弁からアクチユエ
    ータへの供給側通路の圧力が一定値に達すると作
    動するカウンタバランスバルブを設け、前記供給
    側通路から分岐させタンクに接続する通路にその
    セツト圧を前記カウンタバランスバルブを作動さ
    せるパイロツト圧よりもやや高めとした低圧リリ
    ーフ弁を設けた、シヨツク防止回路において、 前記低圧リリーフ弁の上流側又は下流側に絞り
    を設けた構成としたことを特長とするシヨツク防
    止回路。
JP4422788U 1988-03-31 1988-03-31 Pending JPH01148103U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4422788U JPH01148103U (ja) 1988-03-31 1988-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4422788U JPH01148103U (ja) 1988-03-31 1988-03-31

Publications (1)

Publication Number Publication Date
JPH01148103U true JPH01148103U (ja) 1989-10-13

Family

ID=31270595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4422788U Pending JPH01148103U (ja) 1988-03-31 1988-03-31

Country Status (1)

Country Link
JP (1) JPH01148103U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467861A (en) * 1977-11-09 1979-05-31 Kawasaki Heavy Ind Ltd Oil pressure controller
JPS581806B2 (ja) * 1978-10-25 1983-01-13 三菱重工業株式会社 三軸方向振動台の分離制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467861A (en) * 1977-11-09 1979-05-31 Kawasaki Heavy Ind Ltd Oil pressure controller
JPS581806B2 (ja) * 1978-10-25 1983-01-13 三菱重工業株式会社 三軸方向振動台の分離制御装置

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