The invention discloses a dumper. According to the dumper, a lifting and carriage linkage device of the dumper comprises a carriage body, a rear door, an oil tank, a hydraulic pump, a lifting oil cylinder, a hand-operated direction valve, a stop block, a first pressure switch, a second pressure switch, a tensioning motor, a worm, a worm wheel, a magnetic ring, a sensor, a main controller, a motordriver and a mounting frame. The worm wheel is fixedly connected to the rear door, a machine body of the tensioning motor is fixedly connected to the mounting frame, and an output shaft of the tensioning motor is in transmission connection with the worm. The worm is in transmission connection with the worm wheel; the magnetic ring is fixedly connected to an output shaft of the tensioning motor; the sensor is fixedly connected to a machine body of the tensioning motor; the stop block is fixedly connected to the carriage body, and the first pressure switch, the second pressure switch, the motordriver and the sensor are all electrically connected with the main controller; and the tensioning motor is electrically connected with the motor driver. The rear door can be automatically opened whenthe piston rod of the lifting oil cylinder stretches out, and the rear door can be automatically closed when the piston rod of the lifting oil cylinder retracts.

    一种自卸车,该自卸车的举升和车厢联动装置包括厢体、后门、油箱、液压泵、举升油缸、手动换向阀、挡块、第一压力开关、第二压力开关、张紧电机、蜗杆、蜗轮、磁环、传感器、主控制器、电机驱动器和安装架;蜗轮固定连接在后门上,张紧电机的机体固定连接在安装架上,张紧电机的输出轴与蜗杆传动连接;蜗杆与蜗轮传动连接;磁环固定连接在张紧电机的输出轴上;传感器固定连接在张紧电机的机体上;挡块固定连接在厢体上,第一压力开关、第二压力开关、电机驱动器和传感器均与主控制器电连接;张紧电机与电机驱动器电连接。本发明可实现举升油缸的活塞杆伸出时后门自动打开,举升油缸的活塞杆缩回时后门自动关闭。


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    Title :

    Dumper


    Additional title:

    一种自卸车


    Publication date :

    2021-01-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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