Aluminum alloy wind-resistant roller shutter door for coastal cities

The invention relates to the technical field of aluminum alloy roller shutter doors, in particular to an aluminum alloy wind-resistant roller shutter door for a coastal city. The curtain piece structures are evenly distributed at the lower end of the rolling folding shaft, the bearing rod is fixed to the lower end of one curtain piece structure, a motor driving roller connected with a screw is arranged at one end of the rolling folding shaft, a guide roller connected with a screw is arranged at the other end of the rolling folding shaft, and a supporting rod connected with a screw is arranged at one end of the rolling folding shaft. Wherein one end of the supporting rod is provided with a buffering plate connected through a screw, guide rails are placed on the two sides below the winding folding shaft, T-shaped guiding grooves are formed in the middle ends of the guide rails in a penetrating mode, and the upper ends of the guide rails penetrate through the T-shaped guiding grooves and are provided with guidin