Framework oil seal testing device

The utility model discloses a framework oil seal testing device, which comprises a rack, a mounting frame, a hydraulic motor, a rotary support frame, an oil way system and a load simulation mechanism, the mounting frame, the rotary support frame and the load simulation mechanism are respectively fixed on the rack at intervals, the hydraulic motor is fixed on the mounting frame and is communicated with an oil tank through the oil way system, and the oil way system is communicated with the oil tank through the oil way system. A framework oil seal to be tested is installed on an output shaft of the hydraulic motor and located in an output sealing cover of the hydraulic motor, a transmission shaft is rotationally arranged on the rotary supporting frame, one end of the transmission shaft is coaxially fixed to the output shaft of the hydraulic motor, and the other end of the transmission shaft is coaxially fixed to the input end of the load simulation mechanism. The device has the advantages of simple structure and