Shield tunneling machine cutter wear testing machine

The utility model relates to the field of shield tunneling machines, in particular to a shield tunneling machine cutter abrasion testing machine which comprises a base, a bearing table fixedly installed on the top of the base, a supporting plate fixed to one side of the top of the base, a lifting plate connected to one side wall of the supporting plate, and a testing mechanism fixed to the bottom of the lifting plate. The frame body is fixed to the bottom of the lifting plate, a testing roller is rotationally installed in an inner cavity of the frame body, a motor is fixedly installed on one side wall of the frame body, and a transmission shaft of the motor penetrates through one side wall of the frame body and is fixedly connected with one end of the testing roller. The first dust collecting cover is arranged at the top of the inner cavity of the frame body, so that chippings adhered to the surface of the testing roller can be sucked away when the testing roller is used for carrying out abrasion testing on t