Stable hoisting device for mechanical engineering

The utility model discloses a stable hoisting device for mechanical engineering. Mounting base, a column is fixedly mounted in the center of the top of the mounting base; the upper end of the stand column is fixedly mounted on one side of the boom bottom surface; a U-shaped frame is fixedly mounted on one side of the top surface of the mounting base; first through holes are formed in the two sidesof the U-shaped frame correspondingly. A main shaft is arranged in the U-shaped frame; two ends of the main shaft respectively penetrate through the corresponding first through holes and are in bearing connection with the first through holes; a first wire wheel is fixedly mounted at the periphery of the main shaft; a motor is fixedly mounted on one side of the U-shaped frame, an output shaft of the motor is fixedly connected with one end of a spindle, a sleeve is mounted on a bearing on the other side of the U-shaped frame, the spindle penetrates through the sleeve, a clamping groove is formed in the back of the spin