Long spiral pressure grouting concrete pile position monitoring device

The utility model relates to a long spiral pressure grouting concrete pile position monitoring device, and belongs to the technical field of concrete piles, the long spiral pressure grouting concrete pile position monitoring device comprises a positioning plate, a vertical rod and a cross rod, one end of the vertical rod is inserted in the ground, the vertical rod is vertically arranged, one end of the cross rod is fixedly connected with the top end of the vertical rod, and the other end is overhung in the direction away from the vertical rod; the sliding direction horizontally slides in the length direction of the cross rod, and the positioning plate is in adsorption connection with the outer wall of a positioning ring of the drilling machine; a first alarm is fixed to the transverse rod, the first alarm is located between the positioning plate and the vertical rod, and when the positioning plate slides to abut against the first alarm, the first alarm gives an alarm, and the concrete pile construction monito