Stable rock sampling equipment for geological exploration

The invention belongs to the technical field of geological exploration, and relates to stable rock sampling equipment for geological exploration. Comprising a supporting frame, the supporting frame is fixedly connected with a lifting motor, an output shaft of the lifting motor is fixedly connected with a screw rod, the screw rod is in threaded connection with a lifting plate, the lifting plate is fixedly connected with a lifting rod, the telescopic end of the lifting rod is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with a transmission motor. An output shaft of the transmission motor is in threaded connection with a sample barrel, the lower part of the sample barrel is in sliding connection with a drill bit, the lower side surface of the lifting plate is fixedly connected with a telescopic rod, the supporting frame is provided with an electric sliding rail, a sliding block is arranged in the electric sliding rail, the sliding block is fixedly connected with the sliding fr