Impact-resistant wheel set

The utility model relates to an anti-impact wheel set which comprises a wheel set body and a supporting part, the wheel set body is connected to the lower portion of the supporting part, the wheel set body comprises at least two trundles, the supporting part comprises a main shaft and a shaft sleeve, the shaft sleeve is arranged on the main shaft in a sleeved mode, and a boss and an anti-pressure piece are arranged on the surface of the top of the main shaft. The boss is sleeved with the compression-resistant piece, grooves are formed in the peripheral side surfaces of the outer side of the main shaft and the inner side of the shaft sleeve, the grooves are matched to form a track, and a plurality of metal balls are arranged in the track. Compared with the prior art, the utility model has the advantages of strong impact resistance, long service life and the like. 本实用新型涉及一种抗冲击轮组，包括轮组和支撑部，所述轮组连接于所述支撑部的下方，所述轮组包括至少两个脚轮，所述支撑部包括主轴和轴套，所述轴套套设在所述主轴上，所述主轴的顶部表面设有凸台和抗压件，所述抗压件套接于所述凸台，所述主轴外侧和轴套内侧的周侧表面上均设有凹槽，所述凹槽相配合形成轨道，所述轨道