Double-curved-surface reticulated shell steel structure pre-assembling unit

The utility model relates to a double-curved-surface reticulated shell steel structure pre-assembling unit. An L-shaped steel plate is arranged above the flange of each connecting end of each panel point, an L-shaped steel plate is arranged below the flange of each connecting end of each panel point, a baffle and an L-shaped steel plate are respectively arranged on the upper side and the lower side of the connecting end of each steel structural part, two L-shaped steel plates on an identical side are fixedly connected through connecting rods and nuts, and the connecting ends of seven set of panel points are fixedly connected with the baffles of the connecting ends of the steel structural parts to form an assembling unit through the L-shaped steel plate, bolts and the nuts. The number of the connecting ends of the panel points is six, and the intersection angles and the torsional angles of the six connecting ends are different. The double-curved-surface reticulated shell steel structure pre-assembling unit ado