JPS6087256U - Front loader hydraulic control device - Google Patents

Front loader hydraulic control device

Info

Publication number
JPS6087256U
JPS6087256U JP17897583U JP17897583U JPS6087256U JP S6087256 U JPS6087256 U JP S6087256U JP 17897583 U JP17897583 U JP 17897583U JP 17897583 U JP17897583 U JP 17897583U JP S6087256 U JPS6087256 U JP S6087256U
Authority
JP
Japan
Prior art keywords
hydraulic
front loader
control device
control valve
hydraulic cylinder
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
JP17897583U
Other languages
Japanese (ja)
Other versions
JPH0329396Y2 (en
Inventor
義人 出井
好洋 加藤
稲森　秋男
孝 五軒矢
Original Assignee
株式会社クボタ
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 株式会社クボタ filed Critical 株式会社クボタ
Priority to JP17897583U priority Critical patent/JPS6087256U/en
Publication of JPS6087256U publication Critical patent/JPS6087256U/en
Application granted granted Critical
Publication of JPH0329396Y2 publication Critical patent/JPH0329396Y2/ja
Granted legal-status Critical Current

Links

Landscapes

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

第１図及び第２図は本考案の第１実施例を示し、第１図
は全体側面図、第２図は油圧回路図、第３図及び第４図
の各図は本考案の第２、第３各実施例を示す油圧回路図
、第５図及び第６図は本考案の第４実施例を示し、第５
図は全体側面図、第６図は油圧回路図である。 １・・・トラクタ、３・・・作業機昇降用油圧装置、４
・・・フロントローダ、６・・・ブーム、７・・・ブー
ムシリンダ、８・・・作業部、９・・・ブームシリンダ
制御弁、１０・・・油圧ポンプ、１４・・・アンロード
弁、２５゜２６・・・第１、第２アンロード弁、２９・
・・作業部シリンダ、３０・・・作業部シリンダ制御弁
。1 and 2 show a first embodiment of the present invention, FIG. 1 is an overall side view, FIG. 2 is a hydraulic circuit diagram, and each of FIGS. 3 and 4 is a second embodiment of the present invention. , 3. Hydraulic circuit diagrams showing each embodiment, FIGS. 5 and 6 show a 4th embodiment of the present invention, and 5.
The figure is an overall side view, and FIG. 6 is a hydraulic circuit diagram. 1... Tractor, 3... Hydraulic device for lifting and lowering work equipment, 4
...Front loader, 6...Boom, 7...Boom cylinder, 8...Working part, 9...Boom cylinder control valve, 10...Hydraulic pump, 14...Unload valve, 25°26...first and second unload valves, 29.
... Working part cylinder, 30... Working part cylinder control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧装置を備えるトラクタに、油圧シリンダを−備える
フロントローダを装着し、油圧装置と、油圧シリンダを
制御する油圧シリンダ制御弁と、油圧ポンプとを上記の
順で直列に接続したものにおいて、油圧シリンダ制御弁
と油圧装置とを接続する油路を油圧シリンダ制御弁の操
作時にタンクと連通させる制御弁を備えたことを特徴と
するフロントローダの油圧制御装置。A front loader equipped with a hydraulic cylinder is attached to a tractor equipped with a hydraulic system, and the hydraulic system, a hydraulic cylinder control valve for controlling the hydraulic cylinder, and a hydraulic pump are connected in series in the above order, and the hydraulic cylinder A hydraulic control device for a front loader, comprising a control valve that communicates an oil path connecting a control valve and a hydraulic device with a tank when a hydraulic cylinder control valve is operated.
JP17897583U 1983-11-18 1983-11-18 Front loader hydraulic control device Granted JPS6087256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17897583U JPS6087256U (en) 1983-11-18 1983-11-18 Front loader hydraulic control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17897583U JPS6087256U (en) 1983-11-18 1983-11-18 Front loader hydraulic control device

Publications (2)

Publication Number Publication Date
JPS6087256U true JPS6087256U (en) 1985-06-15
JPH0329396Y2 JPH0329396Y2 (en) 1991-06-24

Family

ID=30388429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17897583U Granted JPS6087256U (en) 1983-11-18 1983-11-18 Front loader hydraulic control device

Country Status (1)

Country Link
JP (1) JPS6087256U (en)

Also Published As

Publication number Publication date
JPH0329396Y2 (en) 1991-06-24

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