The invention discloses a cart trundle with a steering, positioning and braking mechanism and a preparation method of the cart trundle, and relates to the technical field of moving devices. The cart trundle with a steering positioning brake mechanism comprises a trundle and the steering positioning brake mechanism, a steering positioning brake device is made of a magnesium-aluminum alloy composite material, the trundle is made of polyurethane, and the magnesium-aluminum alloy composite material comprises 3-5% of silicon, 0.2-1% of iron, 0.2-1% of manganese, 0.2-1% of magnesium, 0.2-0.5% of nickel, 2-5% of copper, 0.5-1% of zinc, 0.2-0.5% of tin and 85-95% of aluminum, and the polyurethane is prepared from the following components in percentage by weight: 30-40% of low-molecular-weight polyether, 40-50% of toluene diisocyanate and 10-20% oftrimethylol propane. The cart trundle comprises a trundle main body and a steering positioning device, and the cart trundle prepared by the invention has high wear resistance and strength, can fix the advancing direction of the trundle, can move in all directions when the cart trundle is not braked, and can only go straight and cannot be steered after being braked.

    本发明公开了一种具有转向定位刹车机构的推车脚轮及其制备方法,涉及移动装置技术领域。本发明为一种具有转向定位刹车机构的推车脚轮,该推车脚轮包括脚轮以及转向定位刹车机构,其中转向定位刹车装置的材质为镁铝合金复合材料,脚轮的材质为聚氨酯,该镁铝合金复合材料所含成分分别为硅3‑5%,铁0.2‑1%,锰0.2‑1%,镁0.2‑1%,镍0.2‑0.5%,铜2‑5%,锌0.5‑1%,锡0.2‑0.5%和铝85‑95%,该聚氨酯所含成分分别为低分子量聚醚30‑40%;甲苯二异氰酸酯40‑50%和三羟甲基丙烷10‑20%,本发明中包括脚轮主体以及转向定位装置,本发明配制的推车脚轮,具有更好的耐磨性以及强度,并且可对脚轮行进方向进行固定,在推车脚轮不刹车时可全方位行动,在刹车后只能直行不能转向。


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    Title :

    Cart trundle with steering, positioning and braking mechanism and preparation method of cart trundle


    Additional title:

    一种具有转向定位刹车机构的推车脚轮及其制备方法


    Contributors:

    Publication date :

    2021-04-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / C22C Legierungen , ALLOYS



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