JPS5973454U - Hydraulic circuit of swing excavator - Google Patents

Hydraulic circuit of swing excavator

Info

Publication number
JPS5973454U
JPS5973454U JP16920182U JP16920182U JPS5973454U JP S5973454 U JPS5973454 U JP S5973454U JP 16920182 U JP16920182 U JP 16920182U JP 16920182 U JP16920182 U JP 16920182U JP S5973454 U JPS5973454 U JP S5973454U
Authority
JP
Japan
Prior art keywords
swing
hydraulic circuit
throttle position
valve
swing excavator
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
JP16920182U
Other languages
Japanese (ja)
Inventor
小竹 寿一
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 JP16920182U priority Critical patent/JPS5973454U/en
Publication of JPS5973454U publication Critical patent/JPS5973454U/en
Pending legal-status Critical Current

Links

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す回路図である。 1は油圧ポンプ、2は旋回操作弁、3はアーム操作弁、
4はアームシリンダ、7はブレーキ弁、8は旋回回路、
9は旋回モータ、10は切換え弁、10□は遮断ポジシ
ョン、10□は絞りポジション。
The drawing is a circuit diagram showing an embodiment of this invention. 1 is a hydraulic pump, 2 is a swing operation valve, 3 is an arm operation valve,
4 is an arm cylinder, 7 is a brake valve, 8 is a swing circuit,
9 is a swing motor, 10 is a switching valve, 10□ is a cutoff position, and 10□ is a throttle position.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプ1からの油圧をパラレル接続された旋回操作
弁2及びアーム操作弁3を介して旋回回路8に設けられ
た旋回モータ9及びアームシリンダ4へ夫々供給すると
共に、上記旋回回路8に設けられたブレーキ弁7に、遮
断ポジション10□及び絞りポジション10□を有する
切換え弁10を並列接続すると共に、上記切換え弁10
を旋回操作弁2の操作時絞りポジション10□へ切換え
るようにしてなる旋回掘削機の油圧回路。
Hydraulic pressure from the hydraulic pump 1 is supplied to the swing motor 9 and arm cylinder 4 provided in the swing circuit 8 through the swing operation valve 2 and arm operation valve 3 connected in parallel, respectively, and the A switching valve 10 having a cutoff position 10 □ and a throttle position 10 □ is connected in parallel to the brake valve 7 .
A hydraulic circuit for a swing excavator, in which the throttle position is switched to the throttle position 10□ when the swing operation valve 2 is operated.
JP16920182U 1982-11-10 1982-11-10 Hydraulic circuit of swing excavator Pending JPS5973454U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16920182U JPS5973454U (en) 1982-11-10 1982-11-10 Hydraulic circuit of swing excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16920182U JPS5973454U (en) 1982-11-10 1982-11-10 Hydraulic circuit of swing excavator

Publications (1)

Publication Number Publication Date
JPS5973454U true JPS5973454U (en) 1984-05-18

Family

ID=30369703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16920182U Pending JPS5973454U (en) 1982-11-10 1982-11-10 Hydraulic circuit of swing excavator

Country Status (1)

Country Link
JP (1) JPS5973454U (en)

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