| 摘要 |
PROBLEM TO BE SOLVED: To positively lay various concrete products with different sizes even in an execution site of a narrow foundation width. SOLUTION: A pair of carriers 1a and 1b are provided with a running gear, lifting devices 21, 22, and 23, sliding devices 14, 15, 16, 17, and 18, and shaft feeding devices 32, 34, 35, 36, and 37. The carriers carries and conveys the concrete products in one end side on a conveying part 1 of this installing machine comprised by being connected by joint members 6 of various length for providing various intervals, the concrete products are raised at a predetermined area, and the carriers are withdrawn for lowering and installing the concrete products.
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