Middle section main chord member point splicing device

The utility model discloses a middle section main chord member point splicing device which comprises a ground rail fixedly mounted on the ground; the fixed joint positioner is fixedly mounted at one axial end of the ground rail; the movable joint positioner is movably mounted on the ground rail and can move on the ground rail in the rail direction; the fixed joint positioner and the movable joint positioner are each provided with a clamping piece, the clamping pieces are used for clamping a to-be-welded joint, taper pin structures are installed on the clamping pieces, and the taper pin structures are used for being matched with holes in the joint. The device provided by the utility model can improve the universality of the joint positioning structure of the middle section truss arm group pipe structure, improve the replacement and debugging efficiency of middle section truss arm process equipment, and improve the welding gap reserving precision of middle section truss arm group pipe welding. 本实用新型公开了一种中间节主弦杆拼