Abstract:
A tunnel air-conditioning apparatus for air-conditioning a movable tunnel connected to a rotunda, the tunnel air-conditioning and heating apparatus may include an indoor unit that is mounted on the movable tunnel; an outdoor unit that is mounted on and connected to the indoor unit; and an outdoor-unit support unit that supports the outdoor unit to make the outdoor unit mounted on the indoor unit, wherein the outdoor-unit support unit may lift or lower the outdoor unit so as to adjust the space formed on the top part of the indoor unit.
Abstract:
A movable boarding bridge includes: an inner tunnel; an outer tunnel disposed on an outer surface of the inner tunnel so as to slide on the inner tunnel; a roller arranged on the external surface of the inner tunnel; and a rainwater gutter-type rail arranged on the internal surface of the outer tunnel, and configured to guide the roller such that the roller moves along the rail and to allow inflowing rainwater from the outside to flow therethrough, wherein the rainwater gutter-type rail may be configured such that the rainwater gutter is not seen from the inner tunnel through which passengers pass.
Abstract:
A movable boarding bridge is disclosed. The movable boarding bridge comprises: an inner tunnel; an outer tunnel disposed on an outer surface of the inner tunnel so as to slide on the inner tunnel; a roller arranged on the external surface of the inner tunnel; and a rainwater gutter-type rail arranged on the internal surface of the outer tunnel, and configured to guide the roller such that the roller moves along the rail and to allow inflowing rainwater from the outside to flow therethrough, wherein the rainwater gutter-type rail may be configured such that the rainwater gutter is not seen from the inner tunnel through which passengers pass.
Abstract:
A height adjustment device for a rotunda can comprise: an outer column which fixes a rotunda and ascends and descends; an inner column which is connected to the outer column; a vertical screw which is placed on the lower end of the rotunda; a nut which is interlocked in correspondence to the outside diameter of the vertical screw; and rails which are provided on one side of the outer column or the inner column and are formed in correspondence to each other so as to assist the ascent and descent of the outer column.
Abstract:
A height adjustment device for a rotunda can comprise: an outer column which fixes a rotunda and ascends and descends; an inner column which is connected to the outer column; a vertical screw which is placed on the lower end of the rotunda; a nut which is interlocked in correspondence to the outside diameter of the vertical screw; and rails which are provided on one side of the outer column or the inner column and are formed in correspondence to each other so as to assist the ascent and descent of the outer column.