A tunnel excavating machine of high-speed construction capable of completely stopping invasion of water and allowing covering members to be assembled easily is provided. This tunnel excavating machine comprises: a cylindrical excavating machine main portion 1 provided with a cutter head 4 and fit to an external periphery of an existing segment S through a tail seal 23; a cylindrical excavating machine auxiliary portion 2 fit to the inside of the excavating machine main portion 1 movably in the back and forth directions and provided with an erector 25 for assembling the segments; a plurality of main propulsion jacks 22 disposed between the main portion 1 and the auxiliary portion 2; and a plurality of auxiliary propulsion jacks 22 mounted on the auxiliary portion 2 and capable of being retracted with respect to the segment S.

Uma máquina excavating do túnel da construção de alta velocidade capaz completamente de parar a invasão da água e de permitir que os membros do covering sejam montados fàcilmente é fornecida. Esta máquina excavating do túnel compreende: uma parcela principal excavating cilíndrica 1 da máquina forneceu com uma cabeça de cortador 4 e o ajuste a uma periferia externa de um segmento existente S através de um selo 23 da cauda; um ajuste auxiliar excavating cilíndrico da parcela 2 da máquina ao interior da parcela principal excavating 1 da máquina mòvel nos sentidos para a frente e para trás e desde que com um instalador 25 para montar os segmentos; um plurality da propulsão principal levanta 22 dispostos entre a parcela principal 1 e a parcela auxiliar 2; e um plurality dos jaques auxiliares 22 da propulsão montou na parcela auxiliar 2 e capaz de ser retraído com respeito ao segmento S.

 
Web www.patentalert.com

< Conversion of gypsum stacks to waste containment facilities and related construction and business methods

< Method of drilling, analyzing and stabilizing a terrestrial or other planetary subsurface formation

> System and apparatus for excavating contaminated pilings

> Tethered buoyant support for risers to a floating production vessel

~ 00081