Drilling pile top elevation control device

The utility model discloses a bored pile top elevation control device, which relates to the technical field of bored pile over-grouting prevention and comprises an elevation control rod main body, an adjustable hook component arranged on the outer side wall of the elevation control rod main body and a floating plate component arranged on the side wall of the end part of the elevation control rod main body, the elevation control rod body comprises a connecting steel pipe, a threaded opening is formed in the outer side wall of the end of the connecting steel pipe, the adjustable hook assembly is arranged on the outer side wall of the connecting steel pipe, the floating plate assembly is arranged on the side wall of the end of the connecting steel pipe, and the floating plate assembly is in threaded connection with the threaded opening in the outer side wall of the end of the connecting steel pipe. In the pouring process of the cast-in-situ bored pile, the device is hung on a round pipe at the top of a pile casi