An automatic locking and opening device for the rear door of a dump truck box comprises locks, connecting rods, U-shaped forks and locking levers and is characterized in that the locks, the connecting rods, the U-shaped forks and the locking levers are sequentially connected to form the automatic locking and opening device and arranged on both sides of the bottom of the dump truck box. Two bow-shaped pressing plates are respectively arranged on a main frame under the locking levers to press the other ends of the locking levers, and two limit shafts are respectively arranged in front of the vertical ends of the locking levers to limit the stretch amplitude of the locking levers. The automatic locking and opening device has the advantages that the device is simple in structure, easy to mount, low in price and long in service life, energy can be saved, additional power is not needed, the device can automatically open the rear door of the dump truck box when the dump truck box is lifted and can automatically lock the rear door of the dump truck box after the dump truck box drops, operation procedures by a driver are reduced, and work efficiency of a dump truck is increased.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Automatic locking and opening device for rear door of dump truck box


    Beteiligte:
    ZHOU FENG (Autor:in)

    Erscheinungsdatum :

    29.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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



    DUMP TRUCK REAR DOOR AUTOMATIC OPENING AND CLOSING DEVICE

    CHOI CHEON HYEOK | Europäisches Patentamt | 2023

    Freier Zugriff

    Locking method and device suitable for rear box door of dump truck

    REN LIANJUN | Europäisches Patentamt | 2022

    Freier Zugriff

    Rear door assembly of dump truck

    HE YONGJUN / HE JIASHENG / HE JIAXIAN et al. | Europäisches Patentamt | 2015

    Freier Zugriff

    Rear door frame assembly of dump truck

    HE YONGJUN / HE JIASHENG / HE JIAXIAN et al. | Europäisches Patentamt | 2015

    Freier Zugriff

    Dump truck compartment body rear baffle locking and opening mechanism for road construction

    WANG XINGWANG | Europäisches Patentamt | 2021

    Freier Zugriff