Ah Tay Kiyu rate system of shield machine

摘要

(57) [summary] [purpose] is provided separately from the mechanical rotation center and ball corners, Excessive force or effect to the ball corners, to prevent the gap from occurring. [Constitute] a shield body 1 to form from the front shield 1a and a rear shield 1b, and front and rear shield 1a, In the shield machine connected freely bent via a spherical corners 3 between 1b, said front and rear shield 1a, during 1b, and a connecting means for connecting freely bent front and rear shields 1a, and 1b in all directions, By providing the left and right bending cylinder 6 that is bent in the vertical bending cylinders 5 and the left and right direction bending longitudinal shield 1a, and 1b in the vertical direction, since the front and rear shield 1a about the connecting means, 1b is rotated, ball corners excessive force or act on 3, is not generated gap.