Two-wing chambering simultaneous casing drilling tool convenient to assemble

The utility model discloses a convenient-to-assemble two-wing broaching casing drilling tool, which comprises a connecting component and a fixed block, a brake plate is attached to the top of the bottom end of the connecting component, a movable rod is welded at the bottom of the brake plate, the fixed block moves on the outer wall of the middle part of the movable rod, and a limiting ring is screwed on the outer wall of the bottom of the movable rod. A protruding block adheres to the outer wall of the fixing block, a main body is welded to the inner wall of the fixing block, a rotary connecting block is welded to the top of the main body, the outer wall of the bottom of the main body and the protective shell are fixed through rivets, a positioning block is installed at the bottom of the main body, a drill bit is welded to the bottom of the positioning block, and a connecting pipe is arranged on the outer wall of the drill bit. The top of the connecting pipe is connected with a fixing cavity. According to the