GUIDE UNIT FOR DRILL BEAMS

摘要

The guide unit for drill beams has body with openings. In the body springy elements are fixed with the ends, on the springy elements centering elements are installed. Each of springy elements is with one end rigidly fixed in the bushing and installed with that end in one of threaded openings of the stands of the body, and the free ends of the springy elements are placed in coaxial to threaded openings of the body cylindrical openings of the centering element. At that, part of the cylindrical openings is made as through ones, and part of those û as dead ones. In each through opening free ends of two springy elements are placed.