DEVICE FOR PLACEMENT OF TUNNEL SUBSTANCING SECTORS FOR TUNNEL AND SUSTAINING SECTOR FOR USE WITH SUCH DEVICE.

摘要

Sector placement deviceTunnel lift for tunneling and lift sectorfor use with said device.;Sector placement device (10) oftunnel lift attachable to a mole type tunnel boring machine thatcomprises: a rotating disk (1) mounted concentrically to theTBM shaft, receiving means (2), stems (3) ofimmobilization embedded in the means (2) of reception andprovided with means (4a, 4b) of immobilization of sectors oflift, stamping means and protection means. Hesupport sector (10) of use with said device has aarc-shaped profile of circumference and is provided with means(15) of union that allow the union with other sectors ofcontiguous lift according to the longitudinal directions andcircumferential tunnel.