Automatic lubricating device for elevator

The utility model discloses an automatic lubricating device for an elevator, which relates to the technical field of mine elevators and comprises an oil storage tank, and a vertical plate is arranged on the side face of the oil storage tank. Two booster pumps are arranged on the upper surface of the oil storage tank; a plurality of fixing plates are vertically arranged on the inner surface of the vertical plate, rotating wheels are arranged in the fixing plates, a main shaft is fixed to the centers of the rotating wheels, penetrates through the rotating wheels and extends towards the two sides, bearings are arranged in one ends of the fixing plates, the main shaft penetrates through the bearings, and cams are arranged at the two ends of the main shaft; oil outlet pipes are vertically arranged on the side face of the booster pump, the oil outlet pipes are parallel to the fixing plate, the oil outlet pipes are arranged outside the fixing plate, oil inlet pipes are vertically arranged at the other ends of the oi