Large antenna framework and assembling method thereof

The invention discloses a large-scale antenna skeleton and an assembling method thereof, the antenna skeleton comprises a main bearing frame, a plurality of antenna installation parts and a skeleton splicing assembly, the main bearing frame comprises a plurality of assembling modules, the antenna installation parts and the skeleton splicing assembly are arranged on the plurality of assembling modules, and the main bearing frame comprises a plurality of assembling modules. The antenna array is installed on the main bearing frame through the plurality of antenna installation members, and the plurality of antenna skeletons are connected along the up-down direction and the left-right direction of the main bearing frame through the skeleton splicing assembly. Flange mounting surfaces of the plurality of assembly modules are subjected to factory finish machining and modular production, the precision of the antenna mounting surfaces after the antenna framework is erected is effectively improved, the size expansion o