Motorcar chassis dynamometer machine dedicated wind cooling eddy current machine

The utility model discloses a special air-cooled eddy current machine for an automobile chassis dynamometer, which comprises a rack. A stator with a eddy current wire and a pure ferromagnet fixation is fixed in the rack, an eddy current machine shaft is inserted through the stator and is arranged on the stator rotatablely, each end of the eddy current machine shaft is provided with a rotor, a force calibrating rod mounting seat in fit with a calibrating rod of a force calibrating device is arranged on the rack. The utility model has the technical advantages that because a special force calibrating rod mounting seat is arranged on the rack and the force calibrating device can be mounted on the rack conveniently, which makes the force calibrating operation easy and convenient and obtains high measurement precision.