The invention discloses a trolley for a construction site. The trolley comprises a trolley body, an axle and two rolling wheels, the axle is arranged on the lower surface of the trolley body, and the two rolling wheels are installed at the two ends of the axle respectively. The trolley further comprises two height adjustment damping mechanisms. Each height adjustment damping mechanism comprises a damping cylinder body, a supporting rod, a damping spring and an adjusting pipe, wherein the upper end of the damping cylinder body is connected with the lower surface of the trolley body, the body of the supporting rod is provided with a clamping platform, the upper end of the supporting rod is embedded in the lower end of the damping cylinder body, the supporting rod is sleeved with the damping spring, one end of the damping spring is connected with the lower end of the damping cylinder body, the other end of the damping spring is connected with the clamping platform, a plurality of threaded holes are formed in the lower end of the supporting rod, the adjusting pipe is arranged on the axle, a plurality of threaded holes are formed in the wall of the adjusting pipe, the lower end of the supporting rod is embedded in the adjusting pipe, and the supporting rod and the adjusting pipe are fixed with a bolt matched with the corresponding threaded holes. Vibration of the trolley body can be reduced, and meanwhile the height of the trolley body can be adjusted.


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    Title :

    Trolley for construction site


    Contributors:
    XUE BINGQUAN (author) / HU BIN (author) / XU JUN (author)

    Publication date :

    2015-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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