Unloading and descent of mining shield weighing 90 tons and a diameter of 3 meters in the area Ramenky (Moscow).
The photo is only the front part of the main rotor, which is involved in the drill.
It shall be accompanied at least another 4, including a computerized control module.
ROP - 10 meters in the 12-hour shift. Price sinking of 1 meter - 800 thousand rubles.
These shields are tunnels for cable collectors.
In this case, the collector, leading to a projected station Ramenky.
The depth of the reservoir - 30 meters.
The teeth of the superalloys.
Sami rotary mechanisms that move the shield.