JPS6140804U - Agricultural tractor work equipment control valve - Google Patents

Agricultural tractor work equipment control valve

Info

Publication number
JPS6140804U
JPS6140804U JP12558784U JP12558784U JPS6140804U JP S6140804 U JPS6140804 U JP S6140804U JP 12558784 U JP12558784 U JP 12558784U JP 12558784 U JP12558784 U JP 12558784U JP S6140804 U JPS6140804 U JP S6140804U
Authority
JP
Japan
Prior art keywords
valve
control valve
agricultural tractor
flow control
work equipment
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
JP12558784U
Other languages
Japanese (ja)
Other versions
JPH033121Y2 (en
Inventor
薫徳 咲川
Original Assignee
株式会社 神崎高級工機製作所
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 神崎高級工機製作所 filed Critical 株式会社 神崎高級工機製作所
Priority to JP12558784U priority Critical patent/JPS6140804U/en
Publication of JPS6140804U publication Critical patent/JPS6140804U/en
Application granted granted Critical
Publication of JPH033121Y2 publication Critical patent/JPH033121Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • 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]

第１図は本考案の農用トラクターの作業機制御装置の全
体ブロック線図。 第２図は電気系統を主に示した制御ブロック線図。 第３図はオートデブスコントロール状態における各機器
のタイミングチャートを示す区面。 第４図はポジションコントロール状態におけるタイミン
グチャートを示す図面。 第５図は本考案の制御のフローチャート区。第６図は油
圧制御線図。 第７図は油圧コントロールパルブ装置の平面図。 第８図はフローコントロール弁用の切換弁Ｅ、上げ用ア
ンロード弁Ｆ部の断面図、第９図はフローコントロール
弁Ｈ部の断面図。 第１０図は下げ用チェックバルブＧ及びチェックバルブ
Ｊ部分の断面図。 第１１図はバルブケースの左側面図。 第１２図は御酒側面図。第１３図は後面図。 第１４図はフローコントロール弁用切換弁Ｅの拡大断面
区である。 Ａ・・・下げ用パイロット弁、Ｂ・・・フローコントロ
ール用パイロット弁、Ｄ・・・上げ用パイロット弁、Ｅ
・・・フローコントロール弁用の切換弁、Ｆ・・・上げ
用アンロード弁、Ｇ・・・下げ用チェック弁、Ｊ・・・
チエツク弁。FIG. 1 is an overall block diagram of the working machine control device for an agricultural tractor according to the present invention. FIG. 2 is a control block diagram mainly showing the electrical system. FIG. 3 is a section showing a timing chart of each device in the auto-debs control state. FIG. 4 is a drawing showing a timing chart in a position control state. FIG. 5 is a flowchart of the control of the present invention. Figure 6 is a hydraulic control diagram. FIG. 7 is a plan view of the hydraulic control valve device. FIG. 8 is a sectional view of the switching valve E for the flow control valve and the F section of the lifting unloading valve, and FIG. 9 is a sectional view of the H section of the flow control valve. FIG. 10 is a sectional view of the lowering check valve G and check valve J portion. Figure 11 is a left side view of the valve case. Figure 12 is a side view of sake. Figure 13 is a rear view. FIG. 14 is an enlarged cross-sectional view of the switching valve E for a flow control valve. A... Pilot valve for lowering, B... Pilot valve for flow control, D... Pilot valve for raising, E
...Switching valve for flow control valve, F...Unload valve for raising, G...Check valve for lowering, J...
Check valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 農用トラクターのリフトアーム回動用油圧シリンダーの
圧油を制御する作業機コントロール弁において、上げ用
アンロード弁Ｆ、下げ用チェック弁Ｇ１フローコントロ
ール弁Ｈ及びフローコントロニル弁用の切換弁Ｅを設け
、これらの弁を作動させる電磁パイロット弁として、上
げ用パイ垣ット弁Ｄ１下げ用パイロット弁Ａ１フローコ
ントロール用パイロット弁Ｂを付設し、ポジションコン
トロール、オートデブスコントロールに応じて、フロー
コントロール弁Ｈの作動、非作動を自動的に切り換える
ことを特徴とする農用トラクターの作業機コントロール
弁。In the work equipment control valve that controls the pressure oil of the hydraulic cylinder for rotating the lift arm of an agricultural tractor, an unloading valve F for raising, a check valve G1 for lowering, a flow control valve H, and a switching valve E for the flow control valve are provided, As electromagnetic pilot valves that operate these valves, a pie-cut valve D for raising, a pilot valve A for lowering, and a pilot valve B for flow control are attached, and the flow control valve H is operated according to position control and auto fat control. A work machine control valve for an agricultural tractor, which is characterized by automatically switching between non-operation and non-operation.
JP12558784U 1984-08-17 1984-08-17 Agricultural tractor work equipment control valve Granted JPS6140804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12558784U JPS6140804U (en) 1984-08-17 1984-08-17 Agricultural tractor work equipment control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12558784U JPS6140804U (en) 1984-08-17 1984-08-17 Agricultural tractor work equipment control valve

Publications (2)

Publication Number Publication Date
JPS6140804U true JPS6140804U (en) 1986-03-15
JPH033121Y2 JPH033121Y2 (en) 1991-01-28

Family

ID=30684282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12558784U Granted JPS6140804U (en) 1984-08-17 1984-08-17 Agricultural tractor work equipment control valve

Country Status (1)

Country Link
JP (1) JPS6140804U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345112U (en) * 1986-09-09 1988-03-26
JPS6384402A (en) * 1986-09-26 1988-04-15 井関農機株式会社 Falling valve cut apparatus in earth working machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345112U (en) * 1986-09-09 1988-03-26
JPS6384402A (en) * 1986-09-26 1988-04-15 井関農機株式会社 Falling valve cut apparatus in earth working machine

Also Published As

Publication number Publication date
JPH033121Y2 (en) 1991-01-28

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