Thermal power plant bearing puller

The utility model provides a bearing puller for a thermal power plant, and relates to the field of bearing pullers. The thermal power plant bearing puller comprises a cylinder and a jacking mechanism, the cylinder comprises a cylinder body, a fixing end and a supporting end, the fixing end and the supporting end are arranged at the two ends of the cylinder body, the fixing end is provided with an opening allowing a bearing to be placed in, the jacking mechanism is fixedly connected to the supporting end, and a piston shaft of the jacking mechanism can stretch out of the fixing end. The cylinder is provided with a movable opening and a sliding block used for fixing an inner ring and an outer ring of the bearing, the sliding block is installed in the movable opening and slides inwards relative to the cylinder, the fixed end is further provided with a limiting piece used for fixing the sliding block, and the limiting piece abuts against the sliding block. The center shaft of the bearing can be jacked through the