Crankshaft cleaning appts

The utility model relates to a crankshaft cleaning device, and the crankshaft cleaning device includes an engine body, a cleaning fluid tank, a pump unit, a cleaning fluid conveying pipe, a transmission device, a cleaning chamber and an electronic control part. A plurality of groups of crankshaft fixture, a drive center driven by the transmission device and a revolving center are arranged inside the cleaning chamber. The crankshaft fixture is composed of a fixture body, a lower bearing support, a lower backing, an upper backing, a gland and a cylinder. The lower bearing support is hinged with the gland. The gland driven by the cylinder clamps or loosens the crankshaft. Cleaning fluid throughholes are arranged on the lower bearing support, the lower backing, the upper backing and the gland correspondingly. The utility model is compact in structure, small in volume, as well as high in cleaning efficiency, and can perform comprehensive cleaning for the vertical oil hole, the oblique oil hole and the surface of the crankshaft, increase the cleaness of the crankshaft, and can greatly reduce the labor intensity of the workers.