JPS5614605A - Hydraulic driving method and system for actuator - Google Patents
Hydraulic driving method and system for actuatorInfo
- Publication number
- JPS5614605A JPS5614605A JP8742179A JP8742179A JPS5614605A JP S5614605 A JPS5614605 A JP S5614605A JP 8742179 A JP8742179 A JP 8742179A JP 8742179 A JP8742179 A JP 8742179A JP S5614605 A JPS5614605 A JP S5614605A
- Authority
- JP
- Japan
- Prior art keywords
- actuators
- pump
- valves
- controlled
- output
- 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.)
- Granted
Links
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
PURPOSE: To improve the operability of various actuators upon a simultaneous operation of the actuators, by detecting the condition and magnitude of the load of each of the actuators and effecting a meter-out control and pump output control of each antuator in accordance with the thus-detected condition and magnitude of the load.
CONSTITUTION: Change-over valves 32, 34 are respectively provided with output lines 35, 36 of a pump 37 to control the fluid communications between the pump 37 and actuators 27, 30 or tank 44 respectively. Throttle valves 39, 42 and open/close valves 40, 43 are provided parallelly with their corresponding return lines 38, 41 from the actuators 27, 30. The change-over valves 32, 34 can be controlled in accordance with the conditions and magnitudes of the loads of their corresponding actuators 27, 30. Thus, when the actuators 27, 30 are operated as motors, they are controlled by the output from the pump 37. On the other hand, when the actuators 27, 30 are operated as pumps, they are meter-out controlled by their respective throttle valves 39, 42. Consequently, the operability of the actuators has been improved.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8742179A JPS5614605A (en) | 1979-07-12 | 1979-07-12 | Hydraulic driving method and system for actuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8742179A JPS5614605A (en) | 1979-07-12 | 1979-07-12 | Hydraulic driving method and system for actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5614605A true JPS5614605A (en) | 1981-02-12 |
JPS6314201B2 JPS6314201B2 (en) | 1988-03-30 |
Family
ID=13914405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8742179A Granted JPS5614605A (en) | 1979-07-12 | 1979-07-12 | Hydraulic driving method and system for actuator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5614605A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837238A (en) * | 1981-08-28 | 1983-03-04 | Iseki & Co Ltd | Flow rate controller in loader |
JPS5991238A (en) * | 1982-09-23 | 1984-05-25 | ヴイツカ−ズ・インコ−ポレ−テツド | System for controlling hydraulic force distribution between electromotor and machinery in engine driven vehicle |
JPS6051508A (en) * | 1983-08-31 | 1985-03-23 | Toyota Motor Corp | Apparatus for removing moisture in recirculated oil |
JPS6233947A (en) * | 1985-08-07 | 1987-02-13 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
JPS6233948A (en) * | 1985-08-07 | 1987-02-13 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
JPS6294622A (en) * | 1985-10-22 | 1987-05-01 | Komatsu Ltd | Controller for construction machine |
JPS62206127A (en) * | 1986-03-06 | 1987-09-10 | Hitachi Constr Mach Co Ltd | Hydraulic controller for civil construction machine |
JPS6412106A (en) * | 1987-07-06 | 1989-01-17 | Kayaba Industry Co Ltd | Priority operation control device for high-load actuator |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5246277A (en) * | 1975-10-08 | 1977-04-12 | Daikin Ind Ltd | Fluid system |
JPS5316174A (en) * | 1976-07-27 | 1978-02-14 | Budzich Tadeusz | Load control device |
-
1979
- 1979-07-12 JP JP8742179A patent/JPS5614605A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5246277A (en) * | 1975-10-08 | 1977-04-12 | Daikin Ind Ltd | Fluid system |
JPS5316174A (en) * | 1976-07-27 | 1978-02-14 | Budzich Tadeusz | Load control device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837238A (en) * | 1981-08-28 | 1983-03-04 | Iseki & Co Ltd | Flow rate controller in loader |
JPS5991238A (en) * | 1982-09-23 | 1984-05-25 | ヴイツカ−ズ・インコ−ポレ−テツド | System for controlling hydraulic force distribution between electromotor and machinery in engine driven vehicle |
JPH0421019B2 (en) * | 1982-09-23 | 1992-04-08 | Vickers Inc | |
JPS6051508A (en) * | 1983-08-31 | 1985-03-23 | Toyota Motor Corp | Apparatus for removing moisture in recirculated oil |
JPS6233947A (en) * | 1985-08-07 | 1987-02-13 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
JPS6233948A (en) * | 1985-08-07 | 1987-02-13 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
JPS6294622A (en) * | 1985-10-22 | 1987-05-01 | Komatsu Ltd | Controller for construction machine |
JPS62206127A (en) * | 1986-03-06 | 1987-09-10 | Hitachi Constr Mach Co Ltd | Hydraulic controller for civil construction machine |
JPS6412106A (en) * | 1987-07-06 | 1989-01-17 | Kayaba Industry Co Ltd | Priority operation control device for high-load actuator |
Also Published As
Publication number | Publication date |
---|---|
JPS6314201B2 (en) | 1988-03-30 |
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