Foaming crack pouring glue filling depth tester

The utility model discloses a foaming crack pouring glue filling depth tester which comprises a fixing frame, a tank body is fixedly connected to the fixing frame, a first piston is connected to the inner wall of the tank body in a sliding mode, a fixing rod is fixedly connected into the first piston, and a groove is formed in the bottom of the fixing rod. An output shaft of a motor drives a second bevel gear to rotate to drive a second piston to move, so that the second piston moves to the position above a feeding pipe, foaming crack pouring glue is added into a tank body through the feeding pipe, the driving end of an air cylinder drives a fixing rod to move so as to drive a first piston to move, and the first piston extrudes the foaming crack pouring glue; bubbles in the foaming crack pouring glue are eliminated, then the cover plate is pulled to enable the sealing ring on the cover plate to be separated from the sealing groove, air is exhausted through the sleeve, the movable rod can be pushed to stretch