Device for drawing off gallery support UiK UDR-A

1

1

Device for drawing off gallery support UiK UDR-A was designed to increase effectiveness of liquidation work with simultaneous increase of work safety during withdrawing support e.g. in longwall galleries, drifts, etc. The device can be used in mine workings classified to “a”, “b” and “c” level of methane explosion hazard and class “A” or “B” of coal dust explosion hazard. The device has been classified to group I, category M2 due to application in explosion hazard atmosphere (acc. to Directive 94/4/EC).

TECHNICAL SPECIFICATION

Device length „Lmin/Lmax” 4010/5290 [mm]
Height of fixed part of device 1955 [mm]
Device width 1715 - 2200 [mm]
Device deadweight 10 000 [kg]
Supply pressure 25÷30 [MPa]
Stroke of “flitter” shifter 1000÷1600 [mm]
Stroke of “withdrawing” actuator 650÷1000 [mm]
Stroke of “withdrawing” prop 747÷1885 [mm]
Towing power of “flitter” shifter 2×193,7 [kN]
Towing power of “withdrawing” actuator 188,5 [kN]
Yield force of “withdrawing” actuator 942,5 [kN]
Workings longitudinal inclinations (angular) max. 25 degrees after lift
max. 15 degrees after decline
Workings transverse inclinations (angular) max. ±5 degrees
Workings range ŁP7 ÷ ŁP10