To provide a rear carriage device capable of relaxing the total length restriction even when moving in a curved tunnel by a wheel portion that directly contacts to an inner surface of a tunnel.SOLUTION: A rear carriage apparatus 100 according to the present invention includes: a gate-shaped frame 10 having a pair of legs 11; a plurality of wheel portions 20 which is respectively provided on a first leg portion 11a and a second leg portion 11b constituting the pair of leg portions 11 and which supports the frame 10 to be able to move in the back and forth direction of a tunnel by contacting an inner surface 2 of the tunnel; and a slide mechanism 30 that displaces a wheel portion 20 of the first leg portion 11a and the wheel portion 20 of the second leg portion 11b in synchronization at the same direction of the left and right direction of the tunnel relative to the frame 10.SELECTED DRAWING: Figure 3
【課題】トンネル内面に直接接触する車輪部により曲線トンネル内を移動する場合でも、全長制限を緩和可能な後方台車装置を提供する。【解決手段】この後方台車装置100は、一対の脚部11を有する門型形状のフレーム10と、一対の脚部11を構成する第1脚部11aと第2脚部11bとにそれぞれ設けられ、トンネル内面2に接触してフレーム10をトンネル前後方向へ移動可能に支持する複数の車輪部20と、第1脚部11aの車輪部20と、第2脚部11bの車輪部20とを、フレーム10に対してトンネル左右方向の同一方向へ同期して変位させるスライド機構30と、を備える。【選択図】図3
REAR CARRIAGE DEVICE
後方台車装置
2019-10-31
Patent
Electronic Resource
Japanese
IPC: | E21F Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels , SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS / B61B RAILWAY SYSTEMS , Eisenbahnanlagen / E21D SHAFTS , Schächte |