JPS5973454U - Hydraulic circuit of swing excavator - Google Patents
Hydraulic circuit of swing excavatorInfo
- 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
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)
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.
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) |
-
1982
- 1982-11-10 JP JP16920182U patent/JPS5973454U/en active Pending
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