Electrical engineering exposed line pipe protection device

The utility model discloses an electrical engineering exposed line pipe protection device which comprises a positioning frame, adjusting rods are installed on the inner walls of the two ends of the positioning frame, sleeves are arranged on the outer walls of the adjusting rods in a sleeved mode, and clamping rods are fixedly connected to the upper surfaces of the sleeves. The gear is fixedly mounted at the end part of the adjusting rod, and a limiting mechanism is arranged on the inner wall of the positioning frame above the gear; the protective shell is installed on the upper surface of the positioning frame through bolts, pipe sleeves are fixed to the two ends of the protective shell in a penetrating mode, clamping pieces are movably connected to the inner walls of the pipe sleeves, tooth protrusions are fixedly arranged on the inner walls of the clamping pieces, limiting rubber blocks are fixedly connected to the lower end portions of the clamping pieces, and transverse buttons are movably connected to th