Shot blasting cleaning device for outer wall of large externally-reinforced steel pipe

The utility model discloses an outer wall shot blasting cleaning device for a large externally-reinforced steel pipe, which comprises a steel pipe, rollers are arranged at the lower end of the steel pipe and positioned on a ground rail trolley, a cover body is arranged on the outer side of the steel pipe, a shot blasting device is arranged at the upper end of the cover body, and double-door bodies are arranged at two ends of the cover body. A first silica gel sealing plate is arranged at the position, close to the inner side face of the double-door body, in the cover body, the steel pipe penetrates through the first silica gel sealing plate, the inner side face of the steel pipe is attached to the first silica gel sealing plate, shots can be effectively prevented from splashing out of an operation area, and the use safety is greatly improved. 本实用新型公开了一种大型外加筋钢管的外壁抛丸清理装置，包括钢管，钢管的下端设置有滚轮，所述滚轮位于地轨小车上，所述钢管的外侧设置有罩体，所述抛丸器设置在罩体的上端，罩体的两端均设置有双开门体，罩体内部靠近双开门体的内侧面设置有第一硅胶密封板，所述钢管穿过所述第一硅胶密封板且钢管的内侧面与第一硅胶密封板相贴合，本大型外加筋钢管的外壁抛丸清