| 摘要 |
PROBLEM TO BE SOLVED: To easily and efficiently remove a rotating shaft of a direction changing machine without the need for a time and labor of a worker, and to repair it.SOLUTION: A direction changing machine C is sandwiched by first and second rod-shaped frame bodies 1, 2, and the direction changing machine and the rod-shaped frame bodies are fixed, a core shaft which protrudes from the back face of a support frame body 50 of the direction changing machine C is inserted into a notch 2a formed at the second rod-shaped frame body, and made to protrude to the external face of the second rod-shaped frame body 2, long bolts 4, 5 supported to both ends of the first and second rod-shaped frame bodies 1, 2 are arranged, the end of a long nut 10 screwed to a tip of an extrusion bolt 8 which penetrates the center of a third rod-shaped frame body 3 is screwed to a core bolt part of the core shaft of the direction changing machine C, the long bolts 4, 5 are inserted into both ends of the third rod-shaped frame body 3 to fix the third rod-shaped frame body 3, the extrusion bolt 8 is moved and made to protrude by turning an extrusion nut 9 screwed to the external periphery of the extrusion bolt 8, and the core shaft in which the core bolt part is screwed to the long nut 10 is extruded and removed. |
