Truss diagonal web member device

The invention discloses a truss diagonal web member device, which is characterized in that a diagonal web member is wide in the middle and narrow at two ends, and comprises two vertical steel plates; first upper and lower flange steel plates are arranged at the middle wide parts of the vertical steel plates; a first round hole for pin shaft connection is formed in the end part of the vertical steel plate; a node plate is arranged on the truss node, and a second round hole is correspondingly formed in the node plate and used for being connected with the first round hole through a pin shaft; and an inclined transition section is arranged between the end part of the vertical steel plate and the middle section. According to the truss diagonal web member device, due to the fact that the arrangement mode of the middle sections, the end portions and the transition sections is adopted, a unique shuttle-shaped diagonal web member is formed, and the truss diagonal web member device has the advantages of being convenien