Monitoring device for filling of cast-in-place pile

The utility model discloses a monitoring device for filling of a filling pile, which comprises a filling pipe control terminal and a display control terminal which are connected with a display through a data line, a fixed plate is fixed on the outer surface of a filling pipe, a floating plate is arranged below the fixed plate, the floating plate is sleeved on the outer side of the filling pipe in a sliding manner, and the floating plate is connected with the display through a data line. Six fixing rods are fixed to the bottom face of the fixing plate, six connecting rods are fixed to the upper surface of the floating plate, the top ends of the connecting rods are slidably inserted into the bottom ends of the fixing rods, supporting rings are slidably installed on the outer sides of the top ends of the connecting rods, and the supporting rings are connected to the bottom ends of the fixing rods through screws; pressure sensors are fixed to the upper end face of the supporting ring and the interior of the top e