| 摘要 |
This liquefied hydrogen loading arm (1), which is capable of moving liquefied hydrogen, is provided with: a support frame structure (10) provided with a base riser (11) erected on the ground surface, an inboard boom (12), an outboard boom (15), and a counterweight (16); a flexible vacuum-insulated double pipe (30) which is provided with a flexible metal inner pipe, a flexible metal outer pipe externally fitted to the inner pipe, and a vacuum layer, and which is disposed in a space below the support frame structure (10), and in an curved shape protruding upwards; a vacuum-insulated double connection pipe (40) which is connected to the tip of the vacuum-insulated double pipe, and which is coupled to the tip of the outboard boom; and a midsection support mechanism (50) which supports, on the support frame structure (10) via a hard curved member curved so as to protrude upwards, a midsection of the vacuum-insulated double pipe in the length direction. |
