Device for controlling perpendicularity of pile foundation pit reinforcement cage

The utility model provides a device for controlling the perpendicularity of a pile foundation pit reinforcement cage, which comprises a fixing frame, the fixing frame comprises four adjusting seat plates which are connected end to end, a bottom plate is detachably arranged on the adjusting seat plates, the bottom plate is connected with a top plate through a supporting rod, the bottom plate and the top plate are respectively provided with a driving rocker, one side of the driving rocker is provided with a limiting lock plate, and the limiting lock plate is connected with the bottom plate. The limiting lock plate is used for controlling the perpendicularity of the reinforcement cage. The device is simple and reliable in structure, convenient to operate, wide in application range and convenient and fast to adjust and maintain, and the problems of quality diseases such as pile breakage and hole collapse caused by the fact that the perpendicularity does not meet requirements in the descending process of the reinf