The utility model discloses a quick winding and unwinding devices of electric power rail, including base, support column, backup pad and pivot, the support column is installed on the base, and the backup pad lower extreme is connected on the support column and the backup pad can be rotated on the support column, and a side of backup pad is connected with the pivot, and the pivot is vertical form and arranges to its axle center free rotation can be wound in the pivot. The utility model discloses when collecting the rail, with each the one end fixed connection of rail on the buckle of upper end,then with the rail along the recess winding in the backup pad to can effectively protect the rail through the pivot, prevent its heavy wear, after the winding, can on the lower extreme buckle with the other end fixed connection of rail, when needs use the rail, untie the other end of rail, then can relieve the rail easily through the rotation of backup pad to, can lay around equipment through thebracing piece, need not look for other support frames and so on more in addition, very big improvement the installation effectiveness of rail.