A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Excavator energy recovery system, energy recovery method and excavator
The invention relates to an excavator energy recovery system, an excavator energy recovery method and an excavator. The excavator energy recovery system comprises a hydraulic fluid tank (1), a first pump (2), a first control valve (3), a movable arm oil cylinder (4), a first switch valve (5), an energy accumulator (6), a second switch valve (7), a sensor and a controller (8); the first pump is in fluid communication with the hydraulic fluid tank, the first control valve is communicated with the first pump, the movable arm oil cylinder is communicated with the first control valve, stretching and retracting of the movable arm oil cylinder are achieved through switching of the first control valve, the first switch valve is connected between a large cavity of the movable arm oil cylinder and the first control valve, and the second switch valve is connected between the large cavity of the movable arm oil cylinder and the energy accumulator; and the sensor is used for detecting the pressure of a preset position in the energy recovery system, the controller is in signal connection with the first switch valve, the second switch valve and the sensor, and the controller controls opening and closing of the first switch valve and the second switch valve according to the detection result of the sensor.
本发明涉及一种挖掘机能量回收系统、能量回收方法和挖掘机，其中挖掘机能量回收系统包括液压流体箱(1)、第一泵(2)、第一控制阀(3)、动臂油缸(4)、第一开关阀(5)、蓄能器(6)、第二开关阀(7)、传感器和控制器(8)，第一泵与液压流体箱流体连通，第一控制阀与第一泵连通，动臂油缸与第一控制阀连通，并通过第一控制阀的切换实现动臂油缸的伸缩，第一开关阀连接在动臂油缸的大腔和第一控制阀之间，第二开关阀连接在动臂油缸的大腔和蓄能器之间，传感器用于检测能量回收系统中预设位置的压力，控制器与第一开关阀、第二开关阀和传感器信号连接，控制器根据传感器的检测结果控制第一开关阀和第二开关阀的开闭。
Excavator energy recovery system, energy recovery method and excavator
The invention relates to an excavator energy recovery system, an excavator energy recovery method and an excavator. The excavator energy recovery system comprises a hydraulic fluid tank (1), a first pump (2), a first control valve (3), a movable arm oil cylinder (4), a first switch valve (5), an energy accumulator (6), a second switch valve (7), a sensor and a controller (8); the first pump is in fluid communication with the hydraulic fluid tank, the first control valve is communicated with the first pump, the movable arm oil cylinder is communicated with the first control valve, stretching and retracting of the movable arm oil cylinder are achieved through switching of the first control valve, the first switch valve is connected between a large cavity of the movable arm oil cylinder and the first control valve, and the second switch valve is connected between the large cavity of the movable arm oil cylinder and the energy accumulator; and the sensor is used for detecting the pressure of a preset position in the energy recovery system, the controller is in signal connection with the first switch valve, the second switch valve and the sensor, and the controller controls opening and closing of the first switch valve and the second switch valve according to the detection result of the sensor.
本发明涉及一种挖掘机能量回收系统、能量回收方法和挖掘机，其中挖掘机能量回收系统包括液压流体箱(1)、第一泵(2)、第一控制阀(3)、动臂油缸(4)、第一开关阀(5)、蓄能器(6)、第二开关阀(7)、传感器和控制器(8)，第一泵与液压流体箱流体连通，第一控制阀与第一泵连通，动臂油缸与第一控制阀连通，并通过第一控制阀的切换实现动臂油缸的伸缩，第一开关阀连接在动臂油缸的大腔和第一控制阀之间，第二开关阀连接在动臂油缸的大腔和蓄能器之间，传感器用于检测能量回收系统中预设位置的压力，控制器与第一开关阀、第二开关阀和传感器信号连接，控制器根据传感器的检测结果控制第一开关阀和第二开关阀的开闭。
Excavator energy recovery system, energy recovery method and excavator
挖掘机能量回收系统、能量回收方法和挖掘机
JIN YUEFENG (author) / GENG JIAWEN (author) / NIU DONGDONG (author) / WANG XUTONG (author) / WANG LU (author)
2021-04-20
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
Excavator energy recovery method and device, excavator and storage medium
| European Patent Office | 2024
Excavator potential energy recovery control method and system, excavator and storage medium
| European Patent Office | 2021
Excavator rotation energy recovery control method and system, excavator and storage medium
| European Patent Office | 2021