Auxiliary positioning device for pile top concrete over-pouring

The utility model discloses an auxiliary positioning device for pile top concrete over-pouring, which belongs to the field of auxiliary equipment for pile foundation pile top over-pouring construction and comprises a positioning cylinder, a connecting piece, a telescopic rod, a floating plate and a limiting block. The positioning cylinder is arranged in the pile foundation casing; the connecting piece is arranged on the positioning cylinder and is detachably connected with the pile foundation protection cylinder; the telescopic rod is arranged in the positioning cylinder in a sliding manner; the floating plate is arranged at the bottom of the telescopic rod; and the limiting block is arranged at the top of the telescopic rod. The device is hung on a pile foundation casing through the connecting piece, the concrete over-filling height is judged through the rising height of the telescopic rod, real-time monitoring can be achieved, positioning is accurate, the over-filling height of the pile top of a pile founda