Movable protection device for construction engineering

The movable protection device comprises a balance weight seat, a plurality of guide pipes are fixedly connected to the top end of the balance weight seat, the top ends of the guide pipes are jointly and fixedly connected with a top plate, a containing groove is formed in the bottom of the balance weight seat, and a spring is fixedly connected to the inner wall of the containing groove; the bottom of the spring is fixedly connected with a box body through an installation groove, a plurality of limiting balls are embedded in the bottom of the box body, the two sides of the bottom of the balance weight base are fixedly connected with protection rods, and the two ends of the balance weight base are rotationally connected with a hanging base and a hanging ring respectively. The arrangement of the storage box body, the arrangement of the hanging seats and the hanging rings facilitates the better connection of a plurality of counterweight seats, the better use of the device is facilitated, the arrangement of the gui