JPS6168161U - - Google Patents

Info

Publication number
JPS6168161U
JPS6168161U JP15403584U JP15403584U JPS6168161U JP S6168161 U JPS6168161 U JP S6168161U JP 15403584 U JP15403584 U JP 15403584U JP 15403584 U JP15403584 U JP 15403584U JP S6168161 U JPS6168161 U JP S6168161U
Authority
JP
Japan
Prior art keywords
flow
control valve
arm
hydraulic excavator
flow rate
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
JP15403584U
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 JP15403584U priority Critical patent/JPS6168161U/ja
Publication of JPS6168161U publication Critical patent/JPS6168161U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す油圧回路図、第
２図は流量制御弁の一例を示す断面図、第３図は
油圧シヨベルの一例を示す側面図である。 ５…アームシリンダ、５ａ…ヘツド側油室、５
ｂ…ロツド側油室、６…アーム、９…油圧ポンプ
、１０…アーム用方向制御弁、１１，１２…流路
、１３…逆止弁、１４…流量制御弁、１６…可変
絞り部、１８…パイロツト流路、１９…圧力制御
弁、２０…パイロツトポンプ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 油圧シヨベルのアームを回動させるアームシリ
    ンダのロツド側とヘツド側の各油室に接続された
    流路のうち、アーム引き作動時に戻り側となる流
    路に、前記シリンダ側への油の供給のみを許容す
    る逆止弁と、外部パイロツト圧によつて開口面積
    が調節される可変絞り部を有する流量制御弁とを
    パラレルに接続するとともに、前記流量制御弁の
    パイロツト部に導くパイロツト圧を制御する遠隔
    操作式圧力制御弁を設けてなることを特徴とする
    油圧シヨベルの油圧回路。
JP15403584U 1984-10-11 1984-10-11 Pending JPS6168161U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15403584U JPS6168161U (ja) 1984-10-11 1984-10-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15403584U JPS6168161U (ja) 1984-10-11 1984-10-11

Publications (1)

Publication Number Publication Date
JPS6168161U true JPS6168161U (ja) 1986-05-10

Family

ID=30712029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15403584U Pending JPS6168161U (ja) 1984-10-11 1984-10-11

Country Status (1)

Country Link
JP (1) JPS6168161U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198682U (ja) * 1987-06-08 1988-12-21
WO1990001588A1 (en) * 1988-08-02 1990-02-22 Kabushiki Kaisha Komatsu Seisakusho Moving speed regulator for hydraulically driven working machines

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043384A (ja) * 1973-08-21 1975-04-19
JPS5816266B2 (ja) * 1975-06-09 1983-03-30 日本電気株式会社 ジキバブルヨウメンナイジカイハツセイキ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043384A (ja) * 1973-08-21 1975-04-19
JPS5816266B2 (ja) * 1975-06-09 1983-03-30 日本電気株式会社 ジキバブルヨウメンナイジカイハツセイキ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198682U (ja) * 1987-06-08 1988-12-21
WO1990001588A1 (en) * 1988-08-02 1990-02-22 Kabushiki Kaisha Komatsu Seisakusho Moving speed regulator for hydraulically driven working machines

Similar Documents

Publication Publication Date Title
JPH01171984U (ja)
JPS6168161U (ja)
JPS61204006U (ja)
JPS6168160U (ja)
JPS6182105U (ja)
JPS62169052U (ja)
JPH0196502U (ja)
JPH01118173U (ja)
JPS61186805U (ja)
JPH01163201U (ja)
JPS6175501U (ja)
JPS6432974U (ja)
JPS6173801U (ja)
JPH0216804U (ja)
JPH0271101U (ja)
JPH02135779U (ja)
JPH01171983U (ja)
JPS61102656U (ja)
JPH01158803U (ja)
JPH031286U (ja)
JPH0477079U (ja)
JPS6335591U (ja)
JPS63195105U (ja)
JPH0214896U (ja)
JPS6252302U (ja)