Controllable temperature friction wear testing machine of wet or dry

The utility model discloses a controllable temperature friction wear testing machine of wet or dry, including loading device, go up test sample clamping device, test sample clamping device, pivot, first oil groove, second oil groove and infinitely variable motor down, loading device and last test sample clamping device are connected, go up test sample clamping device and all install the brass hotplate with test sample clamping device's inside down, the one end and the lower test sample clamping device of pivot are connected, the bottom that the other end passed first oil groove is passed through the shaft coupling and is connected with the infinitely variable motor, fluid passage oil circuit in the second oil groove can reach the lower specimen surface of lower test sample clamping devicecentre gripping, the bottom of first oil groove is equipped with the outage, and fluid passage outage and oil circuit in the first oil groove can reach the multistage free setting groove in the second oil groove. The utility