The utility model provides a quick rolling gear of rotation trash cleaning machine, it includes the motor fan cover, covers the middle part at motor fan and is equipped with the bolt hole, and the bolt passing through is in the bolt hole, and the bolt tail end passes through connecting device to be connected with the spanner, and connecting device includes preceding connecting portion and back connecting portion, and preceding connecting portion can cooperate be connected with the bolt tail end to be fixed, and back connecting portion can be connected fixedly with the cooperation of spanner front end. The utility model discloses it is loaded down with trivial details to solve the process of changing when changing the break pin now, problem that efficiency is not high.