The utility model relates to photovoltaic support technical field discloses the prefabricated concrete structure for photovoltaic support installation, it includes the window
machine, the bottom movable joint of window
machine has the bottom plate, the surface fixed connection of bottom plate top has the slide rail, the surface fixed connection of bottom plate is located the limit stop at slide rail both sides, the surface
screw thread connection of bottom plate is located the limit stop one side has bolt. The sleeve frame for fixing photovoltaic support can use nut and first threaded column to carry out the convenient dismounting, using connecting plate and nut, utilizing second threaded column and third threaded column on concrete
pier, multiple concrete piers can be connected together, make the lower structure of photovoltaic support whole more stable, the through slot structure on connecting plate can satisfy the connecting demand of different interval concrete
pier, multiple connecting plate combination, still can make the array type arrangement connection of large quantity concrete
pier, to satisfy the
layout demand of large area photovoltaic panel.