The invention discloses a truck rear-end collision protection device, which comprises a fixed support frame, a spare wheel hanging mechanism, a spare wheel and a push rod, wherein the fixed support frame is fixedly arranged on a truck girder arranged at the bottom of a truck; the top of the spare wheel hanging mechanism is arranged on the fixed support frame; the axis part of the spare wheel is hung on the bottom of the spare wheel hanging mechanism; the upper end surface of the spare wheel is hinged onto the truck girder; one end of the push rod is connected with a truck rear bumper; the other end of the push rod is connected with the spare wheel hanging mechanism; and the push rod is used for driving the spare wheel to clockwise rotate around a hinging point of the spare wheel and the truck girder. The truck rear-end collision protection device has the advantages that when the rear-end collision occurs, the truck rear bumper is bent through being collided with a car; the push rod is driven to forwards move; the push rod drives the spare wheel hanging mechanism, so that the spare wheel clockwise rotates around the hinging point of the spare wheel and the truck girder; and when the car continuously advances, the spare wheel jacks the middle lower part of a car head of the car. The middle lower part of the car head of the car has high strength, and can bear greater impact force, so that the goal of preventing the car from entering the bottom of the truck through the spare wheel is achieved; and the car crash is avoided.


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    Title :

    Truck rear-end collision protection device


    Contributors:
    WANG JIAN (author) / WANG ZIJING (author) / GAO JIE (author)

    Publication date :

    2015-08-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge



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