| 摘要 |
FIELD: transport.SUBSTANCE: balloon-borne hoisting gear comprises the main platform assembly, balloon canopy unit (20) filled with gas easier than air that features sufficient lift to retain its weight and weight of connected onboard cables (30). Operating load weight is carried by several balloon-borne booster units (51) filled with gas easier than air to slide on onboard cables (30) that features sufficient lift to retain its weight and weight of said connected onboard cables to altitude below said canopy at its crown. This device can turn about its vertical axis.EFFECT: higher stability.15 cl, 8 dwg |
