Steel structure agricultural greenhouse fixing seat

The utility model discloses a steel structure agricultural greenhouse fixing seat, and relates to the technical field of agriculture. The soil breaking device comprises a base tube, spiral soil breaking fan blades are fixed to the outer circle face of the base tube, a mounting ring plate is fixed to the top of the base tube, and a mounting base matched with the base tube is fixed to the upper surface of the mounting ring plate through bolts; a threaded rod penetrates through the mounting ring plate, the bottom end of the threaded rod is rotationally connected with an annular sliding plate slidably connected with the base pipe, and a limiting column is fixed to the bottom of the annular sliding plate. The base pipe can be screwed into the ground without digging the soil, the labor amount and the manual labor intensity are reduced, the contact area of the base pipe in the soil and the soil can be increased through the extension insertion plate, the stability of the fixing base is improved, the base pipe is prev