Crankshaft detecting, clamping and rotating device

The utility model discloses a crankshaft detection clamping and rotating device, which comprises a clamping plate, a driving plate, a chuck and a screw rod, and is characterized in that one surface ofthe clamping plate is provided with a sinking groove, two ends of the bottom of the clamping plate are respectively provided with two screw hole through holes, and two inner sides of the clamping plate are provided with through holes; the thickness of the driving plate is equal to that of one end of the clamping plate, the front end of the driving plate is matched with the clamping plate, and therear end of the driving plate is connected with the poke rod; a through hole sinking groove is formed in the bottom of the driving plate and is connected with the clamping plate; through holes are formed in two inner sides of the chuck and are connected with the screw rod, so that the screw rod passes through the through holes. The crankshaft clamping device has the advantages of being simple instructure, high in universa