JPS62176253U - - Google Patents

Info

Publication number
JPS62176253U
JPS62176253U JP6393386U JP6393386U JPS62176253U JP S62176253 U JPS62176253 U JP S62176253U JP 6393386 U JP6393386 U JP 6393386U JP 6393386 U JP6393386 U JP 6393386U JP S62176253 U JPS62176253 U JP S62176253U
Authority
JP
Japan
Prior art keywords
switching valve
oil passage
pilot
hydraulic
pilot pressure
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.)
Granted
Application number
JP6393386U
Other languages
English (en)
Other versions
JPH0442367Y2 (ja
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 JP6393386U priority Critical patent/JPH0442367Y2/ja
Publication of JPS62176253U publication Critical patent/JPS62176253U/ja
Application granted granted Critical
Publication of JPH0442367Y2 publication Critical patent/JPH0442367Y2/ja
Expired legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の油圧回路図、第２図は従来技
術の油圧回路図である。 １，２……リモートコントロール弁、３……旋
回モータ、４……アームシリンダ、５，６……切
換弁、９……油圧ポンプ、１７……シヤトル弁、
２０……可変絞り部、２１，２２，２９……リリ
ーフ弁、２３……パイロツト油路切換弁、２４…
…絞り部位置付切換弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. リモートコントロール弁操作にて導出されるパ
    イロツト圧により切換弁を切換えて、油圧ポンプ
    の吐出圧油を各種油圧アクチユエータに供給する
    油圧シヨベルの油圧回路において、アーム用切換
    弁と旋回用切換弁とを連通するメイン油路中間部
    に絞り部位置付切換弁を設け、また旋回モータ用
    リリーフ弁の出口側にパイロツト油路切換弁を配
    置し、該パイロツト油路切換弁の連通油路セクシ
    ヨンを絞り部位置付切換弁のパイロツト圧受圧部
    へ切換連通可能に接続するとともに、上記パイロ
    ツト油路切換弁のパイロツト圧受圧部をアーム用
    切換弁のパイロツト圧受圧部側へ接続せしめる如
    く構成されていることを特徴とする油圧シヨベル
    の油圧回路。
JP6393386U 1986-04-25 1986-04-25 Expired JPH0442367Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6393386U JPH0442367Y2 (ja) 1986-04-25 1986-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6393386U JPH0442367Y2 (ja) 1986-04-25 1986-04-25

Publications (2)

Publication Number Publication Date
JPS62176253U true JPS62176253U (ja) 1987-11-09
JPH0442367Y2 JPH0442367Y2 (ja) 1992-10-06

Family

ID=30899621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6393386U Expired JPH0442367Y2 (ja) 1986-04-25 1986-04-25

Country Status (1)

Country Link
JP (1) JPH0442367Y2 (ja)

Also Published As

Publication number Publication date
JPH0442367Y2 (ja) 1992-10-06

Similar Documents

Publication Publication Date Title
JPS62196260U (ja)
JPS62176253U (ja)
JPH0341203U (ja)
JPS63198644U (ja)
JPH0192501U (ja)
JPS63156242U (ja)
JPH01120562U (ja)
JPS63151558U (ja)
JPH0237959U (ja)
JPH0312005U (ja)
JPH0183906U (ja)
JPS63198645U (ja)
JPH043103U (ja)
JPS6244956U (ja)
JPS63151557U (ja)
JPH0215648U (ja)
JPS6285565U (ja)
JPH0291201U (ja)
JPS63151556U (ja)
JPH0187302U (ja)
JPS6414260U (ja)
JPS61160302U (ja)
JPH01119457U (ja)
JPH03103358U (ja)
JPS62169052U (ja)