Turnover iron stand for speed changer assemblies

The utility model discloses a turnover iron stand for speed changer assemblies, which comprises a frame type bearing main body, a frictional limiting mechanism, a support folding mechanism and an elastic anti-loosening mechanism, wherein the frame type bearing main body comprises a middle bearing transverse beam, a peripheral bearing longitudinal beam, a peripheral bearing transverse beam, a middle bearing longitudinal beam, a lower-layer load-bearing transverse beam, a lower-layer load-bearing longitudinal beam, a limiting fixation plate, an upright post and a sealing plate; the frictional limiting mechanism comprises a first limiting bracket, a first rubber limiting block, a second limiting bracket and a second rubber limiting block; and the four corners of the lower-layer load-bearing transverse beam are provided with superposing leg posts, folding support upright posts are arranged on the superposing leg posts, supporting upright posts are arranged on the folding support upright posts, and the supporting