ROTUNDA HEIGHT ADJUSTMENT DEVICE FOR BOARDING BRIDGE

摘要

According to the present invention, a height adjustment device for adjusting a rotunda of a boarding bridge is provided. The rotunda height adjustment device for a boarding bridge comprises: an external column fixed to the ground and having an inner space formed therein; an internal column which fixes a rotunda, and which is coupled so as to be slidable in the inner space such that rising and lowering is enabled; a driving unit which makes the internal column move vertically and translationally with respect to external column, and which is provided so as to be exposed to the outside of the external column and the internal column; and a power unit for controlling the driving unit. Therefore, the rotunda height adjustment device can be inspected, repaired for a defect thereof, and easily replaced.