A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The hydraulic control system comprises a first main pump, a second main pump, a rotary pump, an electric control main valve, a walking hydraulic motor, a rotary motor, a movable arm oil cylinder, a bucket rod oil cylinder, a bucket oil cylinder, an electric control handle, an electric control pedal, a controller and a sensor. The first main pump and the second main pump output hydraulic oil to the electric control main valve, the rotary pump and the rotary motor form an independent closed rotary system, the rotary pump outputs the hydraulic oil to the rotary motor, and the electric control main valve comprises a bucket rod valve link, a walking valve link, a bucket valve link and a movable arm valve link which are communicated with a bucket rod oil cylinder, a walking hydraulic motor, a bucket oil cylinder and a movable arm oil cylinder respectively. And the controller calculates and controls the hydraulic oil flow and the power required by the load based on the received action signal, the speed signal, the priority signal, the engine rotating speed signal and the load pressure signal. Accurate control over all actions is achieved, the composite actions are optimally matched, and the working efficiency of the excavator is effectively improved.
本发明公开了挖掘机液压控制系统及挖掘机控制方法，该液压控制系统包括第一和第二主泵、回转泵、电控主阀、行走液压马达、回转马达、动臂油缸、斗杆油缸、铲斗油缸、电控手柄、电控脚踏、控制器、传感器，第一和第二主泵将液压油输出到电控主阀，回转泵和回转马达构成独立的闭式回转系统，回转泵将液压油输出到回转马达，电控主阀包括分别连通于斗杆油缸、行走液压马达、铲斗油缸、动臂油缸的斗杆阀联、行走阀联、铲斗阀联、动臂阀联，控制器基于接收的动作信号、速度信号、优先信号、发动机转速信号及负载压力信号，进行液压油流量和负载所需功率的计算和控制。本发明实现各个动作的精准控制，使复合动作达到最佳匹配，有效提高挖掘机作业效率。
The hydraulic control system comprises a first main pump, a second main pump, a rotary pump, an electric control main valve, a walking hydraulic motor, a rotary motor, a movable arm oil cylinder, a bucket rod oil cylinder, a bucket oil cylinder, an electric control handle, an electric control pedal, a controller and a sensor. The first main pump and the second main pump output hydraulic oil to the electric control main valve, the rotary pump and the rotary motor form an independent closed rotary system, the rotary pump outputs the hydraulic oil to the rotary motor, and the electric control main valve comprises a bucket rod valve link, a walking valve link, a bucket valve link and a movable arm valve link which are communicated with a bucket rod oil cylinder, a walking hydraulic motor, a bucket oil cylinder and a movable arm oil cylinder respectively. And the controller calculates and controls the hydraulic oil flow and the power required by the load based on the received action signal, the speed signal, the priority signal, the engine rotating speed signal and the load pressure signal. Accurate control over all actions is achieved, the composite actions are optimally matched, and the working efficiency of the excavator is effectively improved.
本发明公开了挖掘机液压控制系统及挖掘机控制方法，该液压控制系统包括第一和第二主泵、回转泵、电控主阀、行走液压马达、回转马达、动臂油缸、斗杆油缸、铲斗油缸、电控手柄、电控脚踏、控制器、传感器，第一和第二主泵将液压油输出到电控主阀，回转泵和回转马达构成独立的闭式回转系统，回转泵将液压油输出到回转马达，电控主阀包括分别连通于斗杆油缸、行走液压马达、铲斗油缸、动臂油缸的斗杆阀联、行走阀联、铲斗阀联、动臂阀联，控制器基于接收的动作信号、速度信号、优先信号、发动机转速信号及负载压力信号，进行液压油流量和负载所需功率的计算和控制。本发明实现各个动作的精准控制，使复合动作达到最佳匹配，有效提高挖掘机作业效率。
Excavator hydraulic control system and excavator control method
挖掘机液压控制系统及挖掘机控制方法
2023-05-09
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
Hydraulic excavator control system, hydraulic excavator and control method
| European Patent Office | 2023
Hydraulic control system, excavator and excavator control method
| European Patent Office | 2020
| European Patent Office | 2022
Excavator hydraulic system, excavator and control method
| European Patent Office | 2020