JPS5984060U - Bulldozer earth mover hydraulic circuit - Google Patents

Bulldozer earth mover hydraulic circuit

Info

Publication number
JPS5984060U
JPS5984060U JP18014282U JP18014282U JPS5984060U JP S5984060 U JPS5984060 U JP S5984060U JP 18014282 U JP18014282 U JP 18014282U JP 18014282 U JP18014282 U JP 18014282U JP S5984060 U JPS5984060 U JP S5984060U
Authority
JP
Japan
Prior art keywords
bulldozer
hydraulic circuit
valve
earth mover
mover hydraulic
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
JP18014282U
Other languages
Japanese (ja)
Inventor
寺井 明夫
大田 宏
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP18014282U priority Critical patent/JPS5984060U/en
Publication of JPS5984060U publication Critical patent/JPS5984060U/en
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (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 drawings]

図面はこの考案の一実施例を示し、第1図は回路図、第
2図は操作弁の詳細図である。 3は操作弁、31ないし3.はポジション、4は切換え
弁、7aはスプールランド。“
The drawings show an embodiment of this invention, with FIG. 1 being a circuit diagram and FIG. 2 being a detailed diagram of the operating valve. 3 is an operating valve, 31 to 3. is the position, 4 is the switching valve, and 7a is the spool land. “

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 土工機を上下動するリフトシリンダ6を操作弁3により
制御するものにおいて、上記操作弁3の保持ポジション
32におけるポート3a、  3b、  3cとスプー
ルランド7aのシップ量lを少さくすると共に、上記操
作弁3とリフトシリンダ6の−に、上記操作弁3の保持
ポジション32時遮断され、その他のポジション3.、
 33. 3.へ入れたとき、に連通される切換え弁4
を設けてなるブルドーザの土工機油圧回路。
In a device in which a lift cylinder 6 that moves an earthmoving machine up and down is controlled by an operation valve 3, the ship amount l of the ports 3a, 3b, 3c and the spool land 7a at the holding position 32 of the operation valve 3 is reduced, and the above-mentioned operation - between the valve 3 and the lift cylinder 6, the operation valve 3 is shut off at the holding position 32, and at the other positions 3. ,
33. 3. switching valve 4 that is communicated with when the
A bulldozer earthmoving machine hydraulic circuit.
JP18014282U 1982-11-30 1982-11-30 Bulldozer earth mover hydraulic circuit Pending JPS5984060U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18014282U JPS5984060U (en) 1982-11-30 1982-11-30 Bulldozer earth mover hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18014282U JPS5984060U (en) 1982-11-30 1982-11-30 Bulldozer earth mover hydraulic circuit

Publications (1)

Publication Number Publication Date
JPS5984060U true JPS5984060U (en) 1984-06-06

Family

ID=30390675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18014282U Pending JPS5984060U (en) 1982-11-30 1982-11-30 Bulldozer earth mover hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS5984060U (en)

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