Protective fence convenient to butt-joint and install

The utility model discloses a protective fence convenient for butt joint installation, and relates to the technical field of protective fences, the protective fence comprises a first fence body, telescopic limiting rods and a second fence body, the two sides of the upper end of the first fence body are welded with insertion blocks, and the two sides of the lower end of the first fence body are provided with the telescopic limiting rods; the inserting blocks are connected with first inserting frames welded to the upper ends of second fence bodies in an inserting mode, and second inserting frames are welded to the two sides of the lower ends of the second fence bodies. According to the protective fence convenient to butt-joint and install, a balancing weight is placed on the ground, a connecting column welded to the top of the balancing weight is connected with a limiting sleeve column welded to the middle of a second fence body in an inserted mode, and after inserting is finished, inserting blocks and telescop