Safety device for suspension of ceiling fan

A safety device for suspension of a ceiling fan comprises a suspension wheel, a suspension piece, a suspension pole, a suspension clamp and an motor shaft, wherein the suspension wheel is installed on a roof suspension hook, an upper hole of the suspension piece and the suspension wheel are fixed by a button head bolt, a lower hole of the suspension piece and the upper end of the suspension pole, an upper hole of the suspension clamp and the lower end of the suspension pole, and a lower hole of the suspension clamp and the motor shaft are respectively fixed by bolts, a steel rope is also arranged between the suspension wheel and the motor shaft; and one end of the steel rope surrounds the suspension wheel, the suspension piece and the roof suspension hook, and then is fixed on the upper end of the suspension pole, and the other end of the steel rope penetrates through the inner wall of the suspension pole and then is fixed on the motor shaft. According to the safety device, the steel rope is arranged between