Degassing device for fluid mechanical test system

The invention discloses a degassing device for a fluid mechanical test system. The degassing device mainly comprises an outer frame, a spiral piece, a middle pipe, an exhaust module, a degassing shell, a rotating shaft, a lock shaft seat and a driving module, a middle pipe is fixedly installed in the middle of the inner side of the outer frame in a penetrating mode, a spiral piece is fixedly installed on the outer side of the middle pipe, drainage heads are assembled at the upper end and the lower end of the middle pipe, collecting pipes are installed at the left ends of the two drainage headsthrough tee joints, and lock shaft seats are fixedly installed on the inner walls, close to the drainage heads, of the upper end and the lower end of the middle pipe. The device is reasonable in structural design, flexible and stable in structure, and high in automation degree, self-adaption is conducted according to the real-time situation, under the minimum water outlet amount, thorough gas exhaust and the effect of a