Device for controlling deformation of a large-scale crankshaft

A device for controlling deformation of a large-scale crankshaft, comprising:

• a crankshaft holder that is arranged for fixing a crankshaft so that the crankshaft is aligned with an axis;
• a regulatory bracket that is arranged on the crankshaft holder at a position corresponding to the crankshaft;
• and
• a high-energy acoustic beam transducer that is arranged on the regulatory bracket and is provided with an end part coupled with the crankshaft, wherein the crankshaft holder includes a mounting plate disposed horizontally, a plurality of fixing plates vertically arranged on the mounting plate and provided, at end parts of the fixing plates, with first fixing openings in an opening shape, and limiting plates arranged at the end parts of the fixing plates and provided, at positions corresponding to the first fixing openings, with second fixing openings in an opening shape, wherein the limiting plates being fixedly connected with the fixing plates so as to fix the crankshaft in the first fixing openings and the second fixing openings.