| 摘要 |
本发明提供一种通道挖掘机，其能够不使用大型、大容量之电动马达便可增强切削刀盘之旋转驱动力，并且可空出轴心位置而将各机器以合理之方式加以布局。;本发明系一种通道挖掘机1，其于将切削刀盘6加以旋转驱动之旋转轴9所被设置之前主体部2，以能够更换之方式将具备有用于旋转驱动旋转轴之油压马达之临时后主体部加以连结，而于从立坑内朝向前方地盘进发之后，与临时后主体部进行更换，且将具备有用于旋转驱动旋转轴之电动马达27之正式后主体部4连结至前主体部，并更进一步地进行挖掘，且于正式后主体部，设置有与前主体部之旋转轴以串列之方式直接连结之旋转传递轴31，并且于旋转传递轴之转轴周围，以相互隔开间隔之方式配设复数个电动马达，并设置中心齿轮36于旋转传递轴，并且将由各电动马达所分别被旋转驱动之复数个驱动齿轮38啮合于中心齿轮。;A shield machine 1 having a front shell body 2 which is connected to an exchangeable temporary rear shell body at a time of launching from a pit to an anterior ground and is connected to a regular rear shell body 4 as a replacement part of the temporary rear shell body at a time of further excavating the anterior ground after the launch, the front shell body having a rotational shaft 9 rotating a cutter head 6, the temporary rear shell body having a hydraulic motor for driving the rotational shaft, and the regular rear shell body having an electric motor 27 for driving the rotational shaft, the shield machine includes a rotary transmission shaft 31 which is provided with the regular rear shell body and is directly connected, in series, with the rotational shaft of the front shell body, a plurality of the above electric motors which are arranged around a rotational axis of the rotary transmission shaft, the electric motors placed with space apart each other, a center gear 36 which is provided with the rotary transmission shaft, and a plurality of drive gears 38 which are respectively driven by electric motors and are engaged with the center gear. |
