Blast hole charging device for blasting construction

A blast hole charging device for blasting construction comprises a charging rod and a box body. A rotating rod is arranged in the box body; the bottom of the rotating rod is inserted into a concave hole in the bottom of the box body and can rotate, and the top of the rotating rod extends out of the box body and is provided with a bent part to form a hand rocker; a spring steel tape is wound on the middle part of the rotating rod; one end of the spring steel tape is fixed on the rotating rod, and the other end of the spring steel tape extends out of the side wall of the box body and is movably connected with the charging rod; when the hand rocker is rotated, the rotating rod in the box body is driven to rotate, the spring steel tape wound on the rotating rod is released, the charging rod outside the box body is pushed to advance in a blast hole, and charging is carried out at a proper position. The charging rod is driven by the spring steel tape to move forwards, the charging depth can be strictly controlled,