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    • 7. 发明专利
    • Face containment device
    • 面包装置
    • JP2012202092A
    • 2012-10-22
    • JP2011067047
    • 2011-03-25
    • Ohbayashi CorpToko:Kk株式会社大林組株式会社東宏
    • ISHIYAMA TOMONOBUKOBAYASHI MAKOTONAKAMURA AKIRAKOBAYASHI MASAHIKO
    • E21F5/20E21F1/14
    • PROBLEM TO BE SOLVED: To provide a face containment device for exhausting polluted air while preventing the polluted air generated near a face during constructing a tunnel from spreading into the tunnel.SOLUTION: The face containment device for preventing the spread of polluted air during constructing the tunnel where an exhaust pipe is installed comprises: a balloon formed by a bagged body; and a gate-shaped balloon truck on which the balloon is installed. With air flowing in and out of the bagged body, the expansion and shrinkage of the balloon are controlled. In the state that the balloon expands, the balloon has close contact with the exhaust pipe installed in the tunnel and with the ceiling wall face and the inner wall side face of the tunnel to close openings near the ceiling, side parts and center of the tunnel. Moving means installed on the right and left columns of the balloon truck can move the balloon truck.
    • 要解决的问题:提供一种用于排出污染空气的面罩容纳装置,同时防止在构造隧道期间产生的污染空气扩散到隧道内。 解决方案:用于防止污染空气在构造安装排气管的隧道期间扩散的面罩装置包括:由袋装体形成的气囊; 和安装气球的门形气球卡车。 随着空气流入和流出袋状体,气囊的膨胀和收缩受到控制。 在气囊膨胀的状态下,气囊与安装在隧道中的排气管和隧道的顶壁面和内壁侧面紧密接触,以封闭天花板,隧道侧面和中心附近的开口 。 安装在气球卡车右侧和左侧的移动装置可移动气球卡车。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Concrete spraying apparatus
    • 混凝土喷涂设备
    • JP2010090541A
    • 2010-04-22
    • JP2008258814
    • 2008-10-03
    • Ohbayashi Corp株式会社大林組
    • KINASHI HIDEOMATSUZAKI TOSHINORIKAMIYA NOBUKIITO SATORUHOSHINO KATSUYOSHIKOBAYASHI MAKOTOMIYOSHI NOBUHIRO
    • E21D11/10
    • PROBLEM TO BE SOLVED: To provide a concrete spraying apparatus which is not affected by concrete rebounding from a wall surface of a tunnel, and which can spray the concrete from a proper spraying distance.
      SOLUTION: This concrete spraying apparatus 10 includes: a manipulator 14, the leading end of which is fitted with a nozzle 20 for emitting a jet of concrete; a box-shaped protective case 30 which is attached to the leading end of the manipulator 14, and which makes an area at least in the spraying direction of the nozzle 20 transparent; a laser range finder 31 which is housed in the protective case 30 so as to apply laser beams in the spraying direction of the nozzle 20; a determination means which computes a distance from a leading end of the nozzle 20 to a concrete wall surface on the basis of the result of measurement performed by the laser range finder 31, and which determines whether or not the computed distance falls within a predetermined range; and an alarm means for giving an alarm when the distance computed by the determination means is judged to fall out of the predetermined range.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种不受隧道壁面的混凝土回弹影响的混凝土喷射装置,并且可以从适当的喷射距离喷射混凝土。 解决方案:该混凝土喷射装置10包括:操纵器14,其前端装有用于发射混凝土射流的喷嘴20; 安装在机械手14的前端的箱形保护壳30,其至少使喷嘴20的喷射方向的区域透明; 激光测距仪31,其被容纳在保护壳体30中,以沿喷嘴20的喷射方向施加激光束; 基于由激光测距仪31进行的测量结果计算从喷嘴20的前端到混凝土墙面的距离的判定单元,其判定计算出的距离是否在预定范围内 ; 以及当判断装置计算的距离被判定为超出预定范围时发出报警的报警装置。 版权所有(C)2010,JPO&INPIT