Positioning structure of gearbox shell

The utility model relates to the field of positioning structures. The positioning structure of the gearbox shell comprises a shell body, the device comprises a base and a connecting column, the base is detachably connected with the connecting column; a first groove and a first hole are formed in one end of the base; fixed sections are arranged at the bottoms of the connecting columns; the fixing section is fixed to the first groove of the base, the connecting column comprises a fixing section, a transition section and a limiting section from bottom to top, a positioning hole is formed in the upper end of the limiting section, a through hole is formed in the transition section, the through hole is connected with the first hole through a bolt or a positioning pin, and therefore the positioning structure can adapt to shells of various specifications by replacing different connecting columns. 本实用新型涉及定位结构领域，具体涉及一种变速箱外壳的定位结构，包括底座和连接柱，底座与连接柱为可拆卸的连接，底座一端设置有第一凹槽和第一孔，连接柱底部设置有固定段，固定段与底座的第一凹槽固定，连接柱由下至上分别为固定段、过渡段和限位段，限位段上