| 摘要 |
PROBLEM TO BE SOLVED: To provide a strut driving apparatus capable of reducing labor of an operator, shortening an operation time, driving and pulling out a strut. SOLUTION: This strut driving apparatus is equipped with a pair of holding parts 41 for holding a strut m, bending parts 39 for bending the strut m held on the holding parts 41 into an arch state and a driving part 32 for lifting and lowering the bending part 39. The holding parts 41 are constituted of stationary parts attached to the bending parts 39 and a movable part moving at a fixed angle to the stationary parts.
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