PURPOSE: To provide a stick material hanging-down device which keeps both the hanging-down force and the up and down change amount of a hanging-down stick material within a proper range and can make the strengthwise design load of the hanging-down stick material small and can conduct support without causing the damage of the stick material and its upper end connection portion.

CONSTITUTION: A regulating valve 21 is provided between a fluid cushion mechanism 13 and an accumulator 20, and the amplitude of the up and down movement speed and the amplitude of the up and down movement displacement of a hanging-down stick material are detected by means of detectors 26, 27, and the opening of the regulating valve 21 is controlled by means of the displacement controller 29 of a controller 28. The flow passage resistance of oil that flows into/out of the fluid cushion mechanism 13 is changed, and by generating passively proper resistance force that is in accordance with the movement speed of the oil, the stick material is supported by means of the joining force of spring force and resistance force. As a result, load change generated between the fluid cushion mechanism 13 of a floating body 11 and the hanging-down stick material 17 is reduced by means of a simple mechanism.