JPS5891002U

JPS5891002U - hydraulic circuit

Info

Publication number: JPS5891002U
Application number: JP18652381U
Authority: JP
Inventors: 大関　雅彦; 中込　幸直
Original assignee: カヤバ工業株式会社
Priority date: 1981-12-15
Filing date: 1981-12-15
Publication date: 1983-06-20

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]

第１図は従来のバルブ連動機構の概略図、第２図はこの
考案の回路図、第３〜５図は一方の回路システム側のコ
ントロールバルブを示スモので、第３図は第１実施例の
断面図、第４図は第２実施例の断面図、第５図は第３実
施例の断面図、第６図は他方の回路システム側のコント
ロールバルブの断面図である。８．９・・・ポンプ、ａ、ｂ・・・回路システムミ１１
゜１７・・・コント−ロールバルブ、２９・・・タンク
通路、３θ、３１，５０．５１・・・オリフィス。 −□ ″　　　　　　　　　　　　　４７見３− 〇−一？Fig. 1 is a schematic diagram of a conventional valve interlocking mechanism, Fig. 2 is a circuit diagram of this invention, Figs. 3 to 5 show control valves on one side of the circuit system, and Fig. 3 shows the first embodiment. 4 is a sectional view of the second embodiment, FIG. 5 is a sectional view of the third embodiment, and FIG. 6 is a sectional view of the control valve on the other circuit system side. 8.9...Pump, a, b...Circuit system Mi11
゜17... Control valve, 29... Tank passage, 3θ, 31, 50.51... Orifice. -□ ″ 47 look 3- 〇-1?

Claims

[Scope of utility model registration request]

Equipped with multiple pumps, each with an independent circuit system,
In a hydraulic circuit in which the required control valves of one circuit system and the required control valves of another circuit system are linked to combine the discharge amounts of multiple pumps into one actuator, a tank passage of the control valve of one circuit system is A hydraulic circuit with an orifice and a configuration in which the differential pressure generated before and after the orifice is guided as pilot pressure for the required control valves of other circuit systems.