JPS5932705U

JPS5932705U - Actuator simultaneous operation device

Info

Publication number: JPS5932705U
Application number: JP12743282U
Authority: JP
Inventors: 石崎　健治
Original assignee: 内田油圧機器工業株式会社
Priority date: 1982-08-25
Filing date: 1982-08-25
Publication date: 1984-02-29

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

[Brief explanation of the drawing]

６　　　第１図は掘削用建設機械の側面図、第２図はそ
：　　の油圧回路図、第３図は本考案装置の実施例の線
三　　図、第４図はその要部の具体例の截断側面図であ
−る。１・・・圧油供給回路、３．　３ａ、　　３ｂ、　　３
Ｃ・・・切換弁、４，４ａ、４ｂ、４Ｃ−・・アクチュ
エータ、５・・・１　　作動回路、６・・・シャトル弁
、７・・・スプール、８・・・可変絞り装置、９・・・
タンク戻り流路、１′３・・・パイロット回路。6 Figure 1 is a side view of an excavating construction machine, Figure 2 is a hydraulic circuit diagram, Figure 3 is a line diagram of an embodiment of the device of the present invention, and Figure 4 is a specific example of its main parts. FIG. 1...pressure oil supply circuit, 3. 3a, 3b, 3
C...Switching valve, 4, 4a, 4b, 4C-...Actuator, 5...1 Operating circuit, 6...Shuttle valve, 7...Spool, 8...Variable throttle device, 9...・・・
Tank return flow path, 1'3...Pilot circuit.

Claims

[Scope of utility model registration request]

In a pressurized oil supply circuit in which a plurality of switching valves each having a red color attached to a different actuator are provided, a shuttle valve is provided in the f1 movement circuit connecting one switching valve and its actuator, and this A simultaneous actuator operation device in which the extracted pressure is applied to the spool of another switching valve via a pilot circuit to a variable throttling device provided to throttle the tank return flow path.