| 摘要 |
<p>Self-propelled equipment to bore in tunnels, which comprises the following operational units: - a tracked vehicle (11) bearing a revolvable turret (12) with a control stand (34), the turret being able to revolve by 360 DEG , - a pair of support structures (14) connected to the opposite ends of the turret (12) and retractably (16) anchored thereto (12), - telescopic columns (20) actuated by rotation and displacement means (17-18-19) connected to the support structures (14), - a boring device (15) connected to the telescopic columns (20) and bearing a drilling head (22) for a boring shaft (23) and reinforcements, - means (33) to monitor the displacement and rotation of the telescopic columns (20), and - a service crane (36) secured to the turret (12).</p> |
