The invention discloses a gantry crane double-speed motor control system which comprises a handheld remote control transmitter, a wireless receiver installed on a gantry crane, a relay assembly used for controlling a double-speed motor and a three-phase alternating current contactor assembly. The output end of the wireless receiver is electrically connected with the input end of the relay assembly, the output end of the relay assembly is electrically connected with the input end of the three-phase alternating current contactor, and the output end of the three-phase alternating current contactor is electrically connected with the input control end of the corresponding double-speed motor. The relay assembly comprises a lifting relay control assembly, a walking relay control assembly and a variable amplitude relay control assembly. The output end of the wireless receiver is electrically connected with the input end of the lifting relay control assembly, the input end of the walking relay control assembly and the input end of the variable amplitude relay control assembly. The device is reliable in operation and simple and convenient to operate.
本发明公开了一种龙门起重机双速电机控制系统,包括手持遥控发射器、安装在龙门起重器上的无线接收器、用于控制双速电机的继电器组件和三相交流接触器组件,所述手持遥控发射器与所述无线接收器无线通信连接,无线接收器的输出端与继电器组件的输入端电气连接,继电器组件的输出端与所述三相交流接触器的输入端电气连接,三相交流接触器的输出端分与对应的双速电机的输入控制端电气连接,继电器组件包括升降继电器控制组件、行走继电器控制组件和变幅继电器控制组件,无线接收器的输出端分别与升降继电器控制组件的输入端、行走继电器控制组件的输入端和变幅继电器控制组件的输入端电气连接。本发明运行可靠,而且操作简单方便。
Double-speed motor control system of gantry crane
一种龙门起重机双速电机控制系统
2023-06-23
Patent
Electronic Resource
Chinese