JPS5951861U - Hydraulic power shovel hydraulic circuit - Google Patents

Hydraulic power shovel hydraulic circuit

Info

Publication number
JPS5951861U
JPS5951861U JP14692282U JP14692282U JPS5951861U JP S5951861 U JPS5951861 U JP S5951861U JP 14692282 U JP14692282 U JP 14692282U JP 14692282 U JP14692282 U JP 14692282U JP S5951861 U JPS5951861 U JP S5951861U
Authority
JP
Japan
Prior art keywords
hydraulic
power shovel
operation valve
hydraulic circuit
hydraulic power
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
JP14692282U
Other languages
Japanese (ja)
Inventor
敏雄 三宅
森谷　幸雄
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 JP14692282U priority Critical patent/JPS5951861U/en
Publication of JPS5951861U publication Critical patent/JPS5951861U/en
Pending legal-status Critical Current

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  • 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 the drawing]

第１図は従来の油圧回路図、第２図は本考案の実施例を
示す油圧回路図である。 Ｐはポンプ、１は吐出路、２は旋回用操作弁、３１はア
ーム用操作弁、１３は入口ポート、１４はロードチェッ
ク弁、１５はパイロット路、２ａは入口ポート。FIG. 1 is a conventional hydraulic circuit diagram, and FIG. 2 is a hydraulic circuit diagram showing an embodiment of the present invention. P is a pump, 1 is a discharge path, 2 is a swing operation valve, 31 is an arm operation valve, 13 is an inlet port, 14 is a load check valve, 15 is a pilot path, and 2a is an inlet port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプＰの吐出路１に旋回用操作弁２、アーム用操作弁
３□をパラレルに接続し、アーム用操作弁３１の入口ポ
ート１３に、パイロット圧で流通流量を制御されるロー
ドチェック弁１４を設ケ、このロードチェック弁１４の
パイロット路１５を旋回用操作弁２の入口ポート２ａに
接続したことを特徴とする油圧パワーショベルの油圧回
路。゛A swing operation valve 2 and an arm operation valve 3□ are connected in parallel to the discharge path 1 of the pump P, and a load check valve 14 whose flow rate is controlled by pilot pressure is connected to the inlet port 13 of the arm operation valve 31. A hydraulic circuit for a hydraulic power shovel, characterized in that a pilot path 15 of the load check valve 14 is connected to an inlet port 2a of a swing operation valve 2.゛
JP14692282U 1982-09-30 1982-09-30 Hydraulic power shovel hydraulic circuit Pending JPS5951861U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14692282U JPS5951861U (en) 1982-09-30 1982-09-30 Hydraulic power shovel hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14692282U JPS5951861U (en) 1982-09-30 1982-09-30 Hydraulic power shovel hydraulic circuit

Publications (1)

Publication Number Publication Date
JPS5951861U true JPS5951861U (en) 1984-04-05

Family

ID=30326875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14692282U Pending JPS5951861U (en) 1982-09-30 1982-09-30 Hydraulic power shovel hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS5951861U (en)

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