JPS63174608U - - Google Patents

Info

Publication number
JPS63174608U
JPS63174608U JP11783586U JP11783586U JPS63174608U JP S63174608 U JPS63174608 U JP S63174608U JP 11783586 U JP11783586 U JP 11783586U JP 11783586 U JP11783586 U JP 11783586U JP S63174608 U JPS63174608 U JP S63174608U
Authority
JP
Japan
Prior art keywords
control member
hydraulic
tractor
working machine
hydraulic 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.)
Pending
Application number
JP11783586U
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 JP11783586U priority Critical patent/JPS63174608U/ja
Publication of JPS63174608U publication Critical patent/JPS63174608U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第1図は油圧回路図、第2図は全体の側面図、
第3図は耕深制御回路図、第4図乃至第5図は各
ソレノイドのタイミングチヤートである。 1……トラクタ、2……作業機、31……昇降
制御部材、36……油圧交番供給要素。

Claims (1)

    【実用新案登録請求の範囲】
  1. トラクタの後方に昇降自在に装着させる作業機
    の支持高さを適宜可変調節する油圧昇降制御部材
    を備えた構造において、前記昇降制御部材に最大
    及び最小流量の油圧を交互に繰返し連続供給する
    油圧交番供給要素を、前記昇降制御部材の油圧供
    給回路に設けたことを特徴とするトラクタの作業
    機制御装置。
JP11783586U 1986-07-30 1986-07-30 Pending JPS63174608U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11783586U JPS63174608U (ja) 1986-07-30 1986-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11783586U JPS63174608U (ja) 1986-07-30 1986-07-30

Publications (1)

Publication Number Publication Date
JPS63174608U true JPS63174608U (ja) 1988-11-14

Family

ID=31003721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11783586U Pending JPS63174608U (ja) 1986-07-30 1986-07-30

Country Status (1)

Country Link
JP (1) JPS63174608U (ja)

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