HORIZONTAL JACK MOUNTING STRUCTURE OF TUBING DEVICE

摘要

PROBLEM TO BE SOLVED: To perform construction work with the closest approach to a wall. SOLUTION: A horizontal jack mounting part 17 is formed in the outer side surfaces of two facing short sides 3b except the side surfaces of two facing long sides 3a of a base frame 3 for supporting a cylinder 2 for making a casing rotating mechanism 1 ascend/descend.