| 摘要 |
PROBLEM TO BE SOLVED: To relieve stress concentration to a local part of a power distribution box in a ground installation column.SOLUTION: The invention of the present application is the ground installation column having a cylindrical body 1 extending in the vertical direction, a wiring opening part 4 provided on an outer peripheral surface of the cylindrical body 1 and penetrating through the inside of the cylindrical body 1 and a sleeve part 5 integrally formed with the cylindrical body 1 by continuously rising with a peripheral edge part of the opening part 4 of the cylindrical body 1 toward the front from the peripheral edge of the opening part 4, in which the sleeve part 5 constitutes a power distribution box, and provides the ground installation column, in which a crossing part 8 between an outer peripheral surface of the sleeve part 5 and the outer peripheral surface of the cylindrical body 1 forms a concave curved surface. |
