Underground henge is manufactured to provide roof support, depending on roof conditions.
Rigid Props
Rigid Underground henge is available in 3 types
- 25 tons
- 55 tons
- 100 tons
Rigild Underground Henge
25 Tons
- Light weight
- Easily transportable
- Heights can be customizable according to customer requirement
- 4” height adjustment
- Re-usable
- No deterioration
55 Tons
- Customizable heights
- 12” height adjustment
- Optional size head and base plates
- Can also be used in conjunction with Beams
- Less air restriction than conventional wood cribbing
- Quick and easy installation
- No deterioration
55 Tons
- Pizza Head plate (2’ Diameter)
- Canadian Head Plate
- 12” X 16” X 2” Head Plate
- Channel Head Plate(Optional Size)
- Base Plates can be ordered in various sizes upon request
Yielding Underground Henge
Application
- Long wall recoveries
- Tailgate supports
- Main gate supports Belt line entries
- Bleeder entries
- To replace cribs
- To support beams
- Intersection support
Features
- 2 ft height extension (minimum)
- High load capacity (25 -50 t)
- Stable yield of 2 ft
- Can be preloaded (by using a JackPot or similar)
- Can be fitted with different sized and shaped head and base plates
Advantages
- No tools needed to set the props
- The underground henge can be re-installed if not under load
- Single person installation
- Relatively light weight
- Quick and easy installation