JPS6249638U - - Google Patents

Info

Publication number
JPS6249638U
JPS6249638U JP14066585U JP14066585U JPS6249638U JP S6249638 U JPS6249638 U JP S6249638U JP 14066585 U JP14066585 U JP 14066585U JP 14066585 U JP14066585 U JP 14066585U JP S6249638 U JPS6249638 U JP S6249638U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
hydraulic
engine
switch
engine rotation
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
JP14066585U
Other languages
English (en)
Other versions
JPH0335858Y2 (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 JP14066585U priority Critical patent/JPH0335858Y2/ja
Publication of JPS6249638U publication Critical patent/JPS6249638U/ja
Application granted granted Critical
Publication of JPH0335858Y2 publication Critical patent/JPH0335858Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Description

【図面の簡単な説明】
第1図乃至第3図は本考案油圧シヨベルのエン
ジン回転制御装置に使用する油圧回路の実施例で
あり、第1図はエンジン停止状態を示し、第2図
はエンジンの最高回転数付近で油圧シヨベルが稼
動中の状態を示し、第3図はエンジンの最高回転
数付近で無負荷状態を示す。第4図は従来装置の
油圧回路を示す。 1……エンジン、2……アクセルレバー、3,
4,5……油圧ポンプ、6,7……切換弁、8,
26……リリーフバルブ、11……カム、12…
…ローラ、14,15……スイツチ、23A……
ガバナ制御レバー、25……油圧シリンダ。

Claims (1)

    【実用新案登録請求の範囲】
  1. エンジン回転低減用油圧シリンダの駆動用とし
    て専用の回路を設け、前記回路中には、電磁弁で
    制御される高、低圧2ケのリリーフバルブを配設
    し、前記油圧シリンダのストロークを2段階に作
    動させ、また油圧シヨベルの切換弁の動きを検知
    するスイツチを設け、前記スイツチにより前記エ
    ンジン回転低減用油圧シリンダのON,OFF用
    電磁弁を制御するようにしたことを特徴とする油
    圧シヨベルのエンジン回転制御装置。
JP14066585U 1985-09-17 1985-09-17 Expired JPH0335858Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14066585U JPH0335858Y2 (ja) 1985-09-17 1985-09-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14066585U JPH0335858Y2 (ja) 1985-09-17 1985-09-17

Publications (2)

Publication Number Publication Date
JPS6249638U true JPS6249638U (ja) 1987-03-27
JPH0335858Y2 JPH0335858Y2 (ja) 1991-07-30

Family

ID=31047725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14066585U Expired JPH0335858Y2 (ja) 1985-09-17 1985-09-17

Country Status (1)

Country Link
JP (1) JPH0335858Y2 (ja)

Also Published As

Publication number Publication date
JPH0335858Y2 (ja) 1991-07-30

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