It drives the inspection platform or working device to rotate 360 degrees. This function allows the inspection vehicle to flexibly meet the inspection needs from all directions of the bridge, whether it is the sides, underside, or hard-to-reach corners. Through the precise control of the rotation cylinder, the vehicle can easily reach and deploy for operations. The efficient and stable operation of the rotation cylinder provides comprehensive, all-angle inspection capabilities, greatly enhancing the efficiency and accuracy of bridge inspections.