JPS59178008U - Auxiliary control valve device for agricultural tractors - Google Patents

Auxiliary control valve device for agricultural tractors

Info

Publication number
JPS59178008U
JPS59178008U JP7434283U JP7434283U JPS59178008U JP S59178008 U JPS59178008 U JP S59178008U JP 7434283 U JP7434283 U JP 7434283U JP 7434283 U JP7434283 U JP 7434283U JP S59178008 U JPS59178008 U JP S59178008U
Authority
JP
Japan
Prior art keywords
control valve
auxiliary control
acting
valve device
agricultural tractors
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
JP7434283U
Other languages
Japanese (ja)
Other versions
JPH0440411Y2 (en
Inventor
俊明 西
Original Assignee
ヤンマーディーゼル株式会社
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 ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP7434283U priority Critical patent/JPS59178008U/en
Publication of JPS59178008U publication Critical patent/JPS59178008U/en
Application granted granted Critical
Publication of JPH0440411Y2 publication Critical patent/JPH0440411Y2/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図は農用トラクターの油圧装置の右側面図。 第２図、第３図、第４図は補助コントロールバルブの上
面図、側面断面図、上面断面図。第５図は補助コントロ
ールバルブの回路図。第６図はＡポートへの圧油流入状
態の図面。第７図は中立状態の図面。第８図はＢポート
への圧油流力状態の一面。第９図はフローティング状態
の図面である。 ■・・・補助コントロールバルブ、１・・・油圧ケース
、５・・・リフトアーム、６・・・操作？バー、７・・
・スプール、ａ・・・絞り部。 −１１１１１■Figure 1 is a right side view of the hydraulic system of an agricultural tractor. 2, 3, and 4 are a top view, a side sectional view, and a top sectional view of the auxiliary control valve. Figure 5 is a circuit diagram of the auxiliary control valve. FIG. 6 is a drawing of the state of pressure oil flowing into the A port. Figure 7 is a drawing of the neutral state. Figure 8 shows one aspect of the hydraulic fluid flow state to the B port. FIG. 9 is a drawing of the floating state. ■...Auxiliary control valve, 1...Hydraulic case, 5...Lift arm, 6...Operation? Bar, 7...
・Spool, a...Aperture part. -11111■

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）農用トラクターの油圧ケースの壁面にリフトアー
ムへの圧油をカット芽フして使用する外部作業機用の複
動形補助コントロールバルブを設け、吐出口の一方を閉
じることにより単動用としても使用可能としたことを特
徴とする農用トラクターの補助コントロールバルブ。(1) A double-acting auxiliary control valve for external working equipment is installed on the wall of the hydraulic case of the agricultural tractor to cut off the pressure oil to the lift arm, and by closing one of the discharge ports, it can be used for single-acting. An auxiliary control valve for agricultural tractors, which is characterized in that it can also be used. （２）単動用シリンダーとして使用する場合にのみ下降
時に絞り効果が発生すべく、フロート状態のスプールを
偏在させた位置でタンクポートとの間に絞り部を設けた
ことを特徴とする実用新案登録請求の範囲第１項記載の
農用トラクターの補助コントロールバルブ。(2) Registration of a utility model characterized in that a throttle part is provided between the floating spool and the tank port at unevenly distributed positions so that a throttle effect occurs when descending only when used as a single-acting cylinder. An auxiliary control valve for an agricultural tractor according to claim 1.
JP7434283U 1983-05-17 1983-05-17 Auxiliary control valve device for agricultural tractors Granted JPS59178008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7434283U JPS59178008U (en) 1983-05-17 1983-05-17 Auxiliary control valve device for agricultural tractors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7434283U JPS59178008U (en) 1983-05-17 1983-05-17 Auxiliary control valve device for agricultural tractors

Publications (2)

Publication Number Publication Date
JPS59178008U true JPS59178008U (en) 1984-11-28
JPH0440411Y2 JPH0440411Y2 (en) 1992-09-22

Family

ID=30204434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7434283U Granted JPS59178008U (en) 1983-05-17 1983-05-17 Auxiliary control valve device for agricultural tractors

Country Status (1)

Country Link
JP (1) JPS59178008U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006250263A (en) * 2005-03-11 2006-09-21 Kayaba Ind Co Ltd Direction control valve
JP2017223236A (en) * 2016-06-13 2017-12-21 Ｋｙｂエンジニアリングアンドサービス株式会社 Selector valve and wood splitter
JP2018080761A (en) * 2016-11-16 2018-05-24 株式会社クボタ Control valve and service car including the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643305U (en) * 1979-09-14 1981-04-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435108A (en) * 1977-08-24 1979-03-15 Showa Electric Wire & Cable Co Ltd Manufacture of highly heat resistant aluminum alloy wire

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643305U (en) * 1979-09-14 1981-04-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006250263A (en) * 2005-03-11 2006-09-21 Kayaba Ind Co Ltd Direction control valve
JP2017223236A (en) * 2016-06-13 2017-12-21 Ｋｙｂエンジニアリングアンドサービス株式会社 Selector valve and wood splitter
JP2018080761A (en) * 2016-11-16 2018-05-24 株式会社クボタ Control valve and service car including the same

Also Published As

Publication number Publication date
JPH0440411Y2 (en) 1992-09-22

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