Hydraulic Support System GMK 067/135 – Technological solution

Modern system of barrier-type support, developed by R&D department of KANT, Ltd., designed for working thin layers with capacity of 0.9 - 1.35 meters in difficult geological conditions, including heavy roofs and weak soils, compatible with all types of combines and scraper conveyors.
System is designed in accordance with international standards for underground coal mining, meets all European requirements and safety regulations, and provides the most efficient management of the roof and the soil.

Basic characteristics

Parameters Size type 1 Size type 2
Capacity of serviced coal layers, м  0.9 - 1.35 1.1 - 1.6
Resistance of the system, kN  4090 - 4620 4200 - 4750
Incremental resistance for 1 m2 of supported surface area, kN/м2 580 - 650 590 - 675
Coefficient of sliding apart, no less than 1.8 1.8
Coefficient of initial delta, no less than 0.7 0.7
Maximum effort of single hydraulic stand, kN 2500 2500
Number of hydraulic stands 2(along) 2(along)
Average incremental pressure on soil, MPa 2.0 2.0
Maximum speak of the mounting, m/min 4.0 4.0
Step of system fixation, m 1.5 1.5
Step of system movement, m 0.63; 0.7; 0.8
Power during system movement, kN 392 392
Effort to move converoy 230 230
Height, mm 670 - 1250 820 - 1480
Width 1450 1450
Length, no more than 5840(4200 without console) 5840(4200 without console)
Coefficient of roof tightening, no less than 0.9 0.9
Maximum leaning angle of the formation striking (degrees) ±35 ±35
Maximum leaning angle of the formation up and down (degrees) ±10 ±10
Weight, kg 9600 9700


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