The invention discloses a rear door frame assembly of a dump truck. The rear door frame assembly comprises a floor beam and two groups of boundary beam components which are of the same structures and are symmetrically installed at the two ends of the floor beam. The boundary beam components are perpendicular to the floor beam, each group of the boundary beam components comprises a foundation longitudinal frame beam, a heightened longitudinal frame beam and a rocker arm, the bottom ends of the foundation longitudinal frame beams are fixed onto the floor beam, the top ends of the foundation longitudinal frame beams are fixedly connected with the heightened longitudinal frame beams, the rocker arms are fixed to the ends of the heightened longitudinal frame beams, and reinforcing ribs are connected between the foundation longitudinal frame beams and the floor beam. According to the invention, the heightened longitudinal frame beams are added, the loading capacity of the dump truck is increased, the loaded material is prevented from scattering, the connecting ways between the heightened longitudinal frame beams and the foundation longitudinal frame beams and between the heightened longitudinal frame beams and the rocker arms are changed, the strength is improved, the bearing capacity is high, damage is not easily caused, the structure is simple, assembly and disassembly are convenient, and the requirement of users can be met.


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    Title :

    Rear door frame assembly of dump truck


    Contributors:
    HE YONGJUN (author) / HE JIASHENG (author) / HE JIAXIAN (author) / HUANG JIDONG (author) / LAI WEIHUA (author)

    Publication date :

    2015-10-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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