JPH0348406U - - Google Patents

Info

Publication number
JPH0348406U
JPH0348406U JP9421990U JP9421990U JPH0348406U JP H0348406 U JPH0348406 U JP H0348406U JP 9421990 U JP9421990 U JP 9421990U JP 9421990 U JP9421990 U JP 9421990U JP H0348406 U JPH0348406 U JP H0348406U
Authority
JP
Japan
Prior art keywords
plowing depth
link
top link
hydraulic cylinder
tractor
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
JP9421990U
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 JP9421990U priority Critical patent/JPH0348406U/ja
Publication of JPH0348406U publication Critical patent/JPH0348406U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すものであり、第1
図は本案機の一部破断左側面図、第2図はその要
部平面図、第3図は本案機の要部油圧回路図、第
4図は制御系のブロツク図である。 1……トラクタ本体、2……プラウ耕耘作業機
、3……3点リンク機構、4……演算制御装置、
6……選択スイツチ、11……油圧シリンダ、1
2……ロワーリンク、13……リフトリンク、1
4……リフトアーム、15……トツプリンクブラ
ケツト、21……プラウ、51……位置センサ、
52……耕深センサ、53……トツプリンクセン
サ、54……リンク長設定器、55……耕深設定
器、V……方向制御弁、V……電磁弁、Sa
,Sb……ソレノイド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 油圧シリンダによつて上下方向に回動されるリ
    フトアームにより昇降されるロワーリンクと、そ
    の上方に配されたトツプリンクとにより相対高さ
    位置可変に耕耘用の作業機を連結するようにした
    トラクタにおいて、油圧シリンダを含み伸縮可能
    としたトツプリンクと、耕深センサとを備え、該
    耕深センサの検知量に従いトツプリンクを伸縮さ
    せて耕深制御を行うべくなしてあることを特徴と
    するトラクタ。
JP9421990U 1990-09-07 1990-09-07 Pending JPH0348406U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9421990U JPH0348406U (ja) 1990-09-07 1990-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9421990U JPH0348406U (ja) 1990-09-07 1990-09-07

Publications (1)

Publication Number Publication Date
JPH0348406U true JPH0348406U (ja) 1991-05-09

Family

ID=31643561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9421990U Pending JPH0348406U (ja) 1990-09-07 1990-09-07

Country Status (1)

Country Link
JP (1) JPH0348406U (ja)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887167A (en) * 1956-06-06 1959-05-19 Deere & Co Hitch device
JPS5163501A (ja) * 1974-11-29 1976-06-02 Komatsu Mfg Co Ltd Burudoozanadokensetsusharyo niokeru bureedojidoseigyosochi
JPS5293516A (en) * 1976-01-20 1977-08-06 Yanmar Agricult Equip Rice transplanting machine
JPS52146903A (en) * 1976-06-01 1977-12-07 Komatsu Mfg Co Ltd Device for automatically controlling working machine of construction vehicle
JPS535042U (ja) * 1976-06-28 1978-01-18
JPS5338513A (en) * 1976-09-21 1978-04-08 Iseki Agricult Mach Riding type rice transplanting machine
JPS5340601B2 (ja) * 1974-11-08 1978-10-28
JPS55156504A (en) * 1979-05-26 1980-12-05 Sato Zoki Co Ltd Lifting and lowering control device for working machine on tractor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887167A (en) * 1956-06-06 1959-05-19 Deere & Co Hitch device
JPS5340601B2 (ja) * 1974-11-08 1978-10-28
JPS5163501A (ja) * 1974-11-29 1976-06-02 Komatsu Mfg Co Ltd Burudoozanadokensetsusharyo niokeru bureedojidoseigyosochi
JPS5293516A (en) * 1976-01-20 1977-08-06 Yanmar Agricult Equip Rice transplanting machine
JPS52146903A (en) * 1976-06-01 1977-12-07 Komatsu Mfg Co Ltd Device for automatically controlling working machine of construction vehicle
JPS535042U (ja) * 1976-06-28 1978-01-18
JPS5338513A (en) * 1976-09-21 1978-04-08 Iseki Agricult Mach Riding type rice transplanting machine
JPS55156504A (en) * 1979-05-26 1980-12-05 Sato Zoki Co Ltd Lifting and lowering control device for working machine on tractor

Similar Documents

Publication Publication Date Title
JPH0348406U (ja)
JPS63109708U (ja)
JPH0348404U (ja)
JPS62193805U (ja)
JPS6350504U (ja)
JPS62169907U (ja)
JPS63160104U (ja)
JPS6443614U (ja)
JPS6315707U (ja)
JPS58113312U (ja) トラクタ
JPH01108010U (ja)
JPH0331807U (ja)
JPH0184504U (ja)
JPS6320709U (ja)
JPS6375106U (ja)
JPS6310825U (ja)
JPS61122618U (ja)
JPH0198507U (ja)
JPS6270706U (ja)
JPH0443913U (ja)
JPS63196905U (ja)
JPS63129409U (ja)
JPS6156816U (ja)
JPS6371607U (ja)
JPS632413U (ja)