STEEL STRUCTURE OF A ELECTRIC TRAINLINE SUPPORTER

摘要

The present invention relates to a catenary bracket steel structures , inside tunnels across the tunnel longitudinal beam which is fixed to the upper end portions ; An upper body provided on an upper portion of the beam along the longitudinal direction of the beam ; A lower body provided in the lower portion of the beam to correspond to the upper body; And a position adjustment unit for adjusting the upper body and spaced-apart distance is provided between the lower body; Includes . Accordance with the present invention, the height and tilt adjustment of the catenary section is provided in the tunnel and the uneven wear teuleojim as possible is provided the effect that can prevent in advance . Further , the catenary the replacement cycle becomes longer provide replacement costs and maintenance costs are also savings in labor costs , etc. are excellent effect . ;