Abstract: Aiming at the problems of big horse pulls a small carriage and non-flameproof electrical equipments of Dingqi mine cable wire belt,through analyzing the working condition and performance of wire cable belt original components,it was determined that the explosion-proof AC motor replaced non-flameproof DC motor,double output shaft reducer replaced the original single one and the wheel between motor and reducer was processed and replaced,and ZJT series of mining flame-proof and intrinsic frequency control electric control device,holdback and motor cooling water weakened system were installed.After reconstruction of mine cable wire belt,the operation status of the mine cable wire belt is good.