Henan Zhongsui Engineering Equipment Co., Ltd.
How a shield machine TBM build a tunnel
- Dec 22, 2017 -

The shield machine is like a "iron earthworm" where it passes through a long tunnel was built.

A control room

Control the operation room of the thrust, speed and direction of the shield machine.

B screw earth conveyor

The helical platters deliver the blades of clay and rock to the belt conveyor, which is then transported out of the tunnel by the refuse truck.

C Tunnel segment assembly

In order to assemble the shield pieces, the shield segment is composed of six pieces of segments, and the width of the segment is usually 1.5 meters