The invention relates to a circuit breaker handcart and a wheel assembly thereof. The wheel assembly of the circuit breaker handcart comprises a U-shaped plate which comprises a first plate section and a second plate section, the first plate section is provided with a first mounting hole, the second plate section is provided with a second mounting hole, and the two mounting holes are coaxially arranged; the wheel is located between the first plate section and the second plate section and provided with a wheel hole; the wheel shaft is a step shaft which sequentially penetrates through the first mounting hole, the second mounting hole and the wheel hole, the wheel shaft comprises a first shaft section, a second shaft section, a third shaft section and a fourth shaft section, and the diameters of the first shaft section, the second shaft section, the third shaft section and the fourth shaft section are sequentially reduced; a fixed nut is threadedly connected with thefourth shaft section. a bearing is located between the third shaft section and the wheel; the third shaft section is sleeved with the limiting sleeve, and the limiting sleeve is located between the bearing and the second plate section; a first step face is arranged between the first shaft section and the second shaft section, a second step face is arranged between the second shaft section and the third shaft section, a third step face is arranged between the third shaft section and the fourth shaft section, and the distance between the first step face and the second step face is larger than the thickness of the first plate section.

    本发明涉及一种断路器手车及其车轮组件。断路器手车的车轮组件包括:U型板,包括第一板段和第二板段,第一板段上设有第一安装孔,第二板段上设有第二安装孔,两个安装孔同轴布置;车轮,处于第一、二板段之间,车轮具有车轮孔;轮轴,为依次穿过第一、二安装孔和车轮孔的台阶轴,轮轴包括直径依次减小的第一轴段、第二轴段、第三轴段及第四轴段,第四轴段上螺纹连接有固定螺母;轴承,处于第三轴段与车轮之间;限位套,套设在第三轴段上,且处于轴承和第二板段之间;第一、二轴段之间设有第一台阶面,第二、三轴段之间设有第二台阶面,第三、四轴段之间设有第三台阶面,第一、二台阶面的距离大于第一板段的厚度。


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    Title :

    Circuit breaker handcart and wheel assembly thereof


    Additional title:

    一种断路器手车及其车轮组件


    Contributors:
    ZHU ZHIHAO (author) / FEI XIANG (author) / LU LIUYANG (author) / SHA YUNPENG (author) / LI WEILING (author) / WANG HAIYAN (author) / YUAN DUANLEI (author) / MA MINGLE (author) / ZUO ZHIHUA (author)

    Publication date :

    2021-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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