The invention relates to a crane torque limiting system. The crane torque limiting system includes a reference positioning device, a mobile positioning device, a pressure sensor, a data processor anda torque limiting host; the reference positioning device is arranged on a vehicle body or a crane turntable; the mobile positioning device is arranged on the boom head of a telescopic boom; the pressure sensor is arranged on a cylinder used for lifting the telescopic boom; the reference positioning device and the mobile positioning device are connected to the data processor; the data processor andthe pressure sensor are connected to the torque limiting host; the data processor receives positioning information of the reference positioning device and the mobile positioning device, and obtains the length of the telescopic boom, the luffing angle of the telescopic boom and the amplitude of the telescopic boom according to the received positioning information; and the torque limiting host obtains the crane lifting weight according to the length of the telescopic boom, the luffing angle of the telescopic boom, the amplitude of the telescopic boom and the pressure value of the pressure sensor. The torque limiting system disclosed by the invention has high precision, and is safe and reliable.
本发明涉及一种起重机力矩限制系统,包括基准定位装置、移动定位装置、压力传感器、数据处理器和力矩限制主机;基准定位装置设置于车身或起重机转台上,移动定位装置设置于伸缩臂臂头,压力传感器设置于用于顶起伸缩臂的油缸上,基准定位装置和移动定位装置连接数据处理器,数据处理器和压力传感器连接力矩限制主机;数据处理器接收基准定位装置和移动定位装置的定位信息,并根据接收的定位信息得到伸缩臂臂长、伸缩臂的变幅角度和伸缩臂的幅度;力矩限制主机根据伸缩臂臂长、伸缩臂的变幅角度、伸缩臂的幅度和压力传感器的压力值得到起重机吊重重量。本发明中力矩限制系统精度高,安全可靠。
Crane torque limiting system
一种起重机力矩限制系统
2020-11-06
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Torque limiting device at variable-amplitude fixed end of crane
European Patent Office | 2015
|Mobile crane, moment limiting system of mobile crane and moment limiting method of mobile crane
European Patent Office | 2015
|European Patent Office | 2015
|