SILENCER FOR TUNNEL AND SILENCER SYSTEM

• Main Authors: ISHIWATARI YASUHIRO, UEMURA YOSHIYUKI, NAKAZAWA SHINJI, TOMIZAWA HIDEO, KOBAYASHI MASAHIKO, UDA MAKOTO
• Format: Patent
• Language: English; Japanese
• Published: 16.08.2018
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

PROBLEM TO BE SOLVED: To provide a silencer for a tunnel capable of reducing noise occurred by a pit face while movable in response to a shape of the tunnel easily.SOLUTION: A silencer 10 for a tunnel mainly comprises a first support part 100, a silencer part 300 and a barrier 500. The first support part 100 is mainly composed of a first arch frame 110, two base parts 120 extending in a longitudinal direction of a tunnel 20, a plurality of chain blocks 130 mounted to the first arch frame 110 and eight wheels 140 mounted to a bottom surface of the base part 120. The silencer part 300 is constituted by connecting four silencer units 310 in a channel shape with a length of 4.5 m, a height of 4.1 m and a width of 5 m in a longitudinal direction. The barrier 500 mainly comprises a barrier frame body 510, barrier balloons 520, 530 and a barrier air pump (not shown) connected to the barrier balloons 520, 530 for pumping air.SELECTED DRAWING: Figure 1 【課題】トンネルの形状に合わせて容易に移動可能でありながら、切羽から発生する騒音を低減可能なトンネル用消音器を得る。【解決手段】トンネル用消音器１０は、第１の支持部１００と、消音部３００と、隔壁５００とを主に備える。第１の支持部１００は、第１のアーチフレーム１１０と、トンネル２０の長手方向に延びる２本の基部１２０と、第１のアーチフレーム１１０に取り付けられた複数のチェーンブロック１３０と、基部１２０の底面に取り付けられた８つの車輪１４０とから主に構成される。消音部３００は、長さ４．５ｍ、高さ４．１ｍ、幅５ｍのコの字型形状を有する４つの消音ユニット３１０を長手方向に接続して成る。隔壁５００は、隔壁枠体５１０と、隔壁バルーン５２０、５３０と、隔壁バルーン５２０、５３０に接続されて空気を送り込む隔壁エアーポンプ（図示されない）とを主に備える。【選択図】図１