JPS5862802U - Work equipment lifting device - Google Patents

Work equipment lifting device

Info

Publication number
JPS5862802U
JPS5862802U JP15669681U JP15669681U JPS5862802U JP S5862802 U JPS5862802 U JP S5862802U JP 15669681 U JP15669681 U JP 15669681U JP 15669681 U JP15669681 U JP 15669681U JP S5862802 U JPS5862802 U JP S5862802U
Authority
JP
Japan
Prior art keywords
work equipment
lifting device
equipment lifting
hydraulic cylinder
control valve
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
JP15669681U
Other languages
Japanese (ja)
Inventor
吉藤　博章
Original Assignee
ヤンマー農機株式会社
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 by ヤンマー農機株式会社 filed Critical ヤンマー農機株式会社
Priority to JP15669681U priority Critical patent/JPS5862802U/en
Publication of JPS5862802U publication Critical patent/JPS5862802U/en
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の実施例を余すものであり、第１図は本案
装置を搭載してなるトラクタの一部破砕略示側面図、第
２図は本案装置の油圧回路図である。 １・・・トップリンク、２・・中ワリンク、３・・・ロ
ータリ、５・・・リフトアーム、６・・・油圧シリンダ
、７・・・電磁弁、７ａ、　　７ｂ、　　Ｉ　ＩＣ・・
・ソレノイド、８・・・逆止弁付可変絞り弁、９・・・
油圧ポンプ、１０・・・タンク、１１・・・電磁リリー
フ弁、１２・・・リリーフ弁、８１・・・逆止弁。The drawings show an embodiment of the present invention, and FIG. 1 is a partially exploded schematic side view of a tractor equipped with the device of the present invention, and FIG. 2 is a hydraulic circuit diagram of the device of the present invention. 1... Top link, 2... Middle wall link, 3... Rotary, 5... Lift arm, 6... Hydraulic cylinder, 7... Solenoid valve, 7a, 7b, I IC...
・Solenoid, 8... Variable throttle valve with check valve, 9...
Hydraulic pump, 10... Tank, 11... Electromagnetic relief valve, 12... Relief valve, 81... Check valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧シリンダにより作業機を昇降させる作業機昇降装置
において、前記油圧シリンダへの圧油供給路に比例制御
弁を設け、該比例制御弁により前記油圧シリンダ内の油
圧を制御する構成としたことを特徴とする作業機昇降装
置。A work equipment lifting device for raising and lowering a work equipment using a hydraulic cylinder, characterized in that a proportional control valve is provided in a pressure oil supply path to the hydraulic cylinder, and the hydraulic pressure in the hydraulic cylinder is controlled by the proportional control valve. Work equipment lifting device.
JP15669681U 1981-10-20 1981-10-20 Work equipment lifting device Pending JPS5862802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15669681U JPS5862802U (en) 1981-10-20 1981-10-20 Work equipment lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15669681U JPS5862802U (en) 1981-10-20 1981-10-20 Work equipment lifting device

Publications (1)

Publication Number Publication Date
JPS5862802U true JPS5862802U (en) 1983-04-27

Family

ID=29949232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15669681U Pending JPS5862802U (en) 1981-10-20 1981-10-20 Work equipment lifting device

Country Status (1)

Country Link
JP (1) JPS5862802U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07213108A (en) * 1994-02-28 1995-08-15 Iseki & Co Ltd Hydraulic pressure controlling apparatus for power vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07213108A (en) * 1994-02-28 1995-08-15 Iseki & Co Ltd Hydraulic pressure controlling apparatus for power vehicle

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