BTA drilling quick-stop device and method

A boring and trepanning association (BTA) drilling quick-stop device (QSD), comprising a base, wherein the base comprises a hollow cavity, a side portion of the base is provided with an opening communicating with the hollow cavity, the opening is closed by a through cover, a horizontally movable fixture is disposed in the hollow cavity, a stopper is disposed at a top portion of the base, a bottom portion of the stopper is disposed lower than a top portion of the fixture to stop the fixture from moving during processing, and an elastic element is disposed between the through cover and a side portion of the fixture to push the fixture to move after processing;

• wherein
• the fixture is configured to be a C-shaped structure as a whole, and comprises an accommodating space for accommodating a workpiece, the side portion of the fixture is provided with an opening, and the opening in the side portion of the fixture communicates with the accommodating space for the workpiece to extend out of the fixture;
• wherein,
• the opening in the side portion of the fixture is arranged in a same direction with the opening in the side portion of the base.