Auxiliary installation device for preventing curtain wall keel from overturning and installation and use method of auxiliary installation device

The invention discloses a curtain wall keel overturn-preventing auxiliary mounting device and a mounting and using method thereof.The curtain wall keel overturn-preventing auxiliary mounting device comprises a straight steel ruler, the straight steel ruler is provided with a sliding groove and a plurality of supports slidably mounted on the sliding groove, the tops of the supports are connected with mechanical arms, and the top ends of the mechanical arms are provided with adjusting rods; a cavity is formed in the end of the adjusting rod, and telescopic pieces are further arranged at the two ends of the cavity. The steel ruler provides a stable installation position for other assemblies, meanwhile, the steel ruler can limit and support the vertical keel through the mechanical arm, the adjusting rod, the cavity and the telescopic piece, the keel is prevented from overturning towards the four sides, it is guaranteed that the vertical keel is perpendicular to the ground, and the keel welding quality is improved