PROBLEM TO BE SOLVED: To provide a nest building prevention net support which reduces the effort of a work to attach a nest building prevention net to a beam erected above the railway track.SOLUTION: The nest building prevention net support 1 is used for installing a nest building prevention net on the inside of a beam of frame structure supported above the railway track while straddling in the width direction, and includes a support body 3 which extends from one end side to the other end side of the inner surface of the nest building prevention net in contact therewith and supports the nest building prevention net. The support body 3 is attached to the upper inside of the beam in the extension direction of the beam while supporting the nest building prevention net.COPYRIGHT: (C)2012,JPO&INPIT【課題】営巣防止網を鉄道軌道の上方に架設された梁に取り付ける作業の労力を軽減する営巣防止網支持具を提供する。【解決手段】営巣防止網支持具1は、車両軌道の上方を幅方向に跨いで支持されたフレーム構造の梁の内側に営巣防止網を設けるためのものであり、営巣防止網の内面の一端側から他端側に亘って接触して延びて該営巣防止網を支持する支持本体部3を備える。支持本体部3は、営巣防止網を支持した状態で梁の内側上部に梁の延びる方向に沿って取り付けられる。【選択図】 図1