Edge warping prevention device for waterproof roll laying

The utility model relates to the field of coiled material laying, in particular to an edge warping prevention device for waterproof coiled material laying, which comprises a cart, a cart handle is mounted on one side wall of the cart, an adjusting handle is mounted on one side wall, perpendicular to the cart handle, of the cart, and a second motor is arranged on one side of the adjusting handle. The output end of the second motor extends into the cart, the output end of the second motor is in transmission connection with a conveying mechanism, the conveying mechanism comprises a second transmission rod, and the second transmission rod is in transmission connection with the output end of the second motor. By arranging the first gear, the second gear and the conveying rollers, the two sets of conveying rollers extrude the waterproof coiled material, so that the surface of the waterproof coiled material is smooth in the conveying process, then the waterproof coiled material is laid on the ground, and the working