Three-cylinder crankshaft tempering clamping deformation control device

The utility model is applicable to the technical field of crankshaft processing control, and discloses a three-cylinder crankshaft tempering clamping deformation control device, which is used for clamping and fixing a three-cylinder crankshaft and comprises a shell, a positioning component, a first clamping component and a second clamping component. The shell is provided with a cavity; the positioning assembly is arranged in the cavity and used for fixing the crankshaft; the first clamping assembly is arranged in the cavity, and the first clamping assembly can move in the first direction and clamp the crankshaft; the second clamping assembly is arranged in the cavity, and the second clamping assembly can move in the second direction and clamp the crankshaft; the first direction and the axial direction of the crankshaft form a first preset included angle alpha, and the second direction and the axial direction of the crankshaft form a second preset included angle beta. According to the device, the crankshaft is