каталог механизированных крепей фирмы Tagor

TECHNICAL PARAMETERS FOR HYDRAULIC ROOF SUPPORT Range of height – max – min Operation range Approved slopes of longwall – longitudinal – transversal Support centre Number of legs Capacity per leg – at yield – at set Support density 3.25 m 1.4 m 1.6÷3.2 m Advance rate Advance forces – shield – AFC 35° +/- 15° 1.5 m 2 pcs 2.28 MN (for 25 MPa) 1.54 MN (for 32 MPa) 1.97 MN 0.792÷0.934 MPa 0.8 m (for 25 MPa) (for 32 MPa) (for 25 MPa) (for 32 MPa) 0.357 MN 0.458 MN 0.160 MN 0.207 MN Bering pressure – on the floor 2.17 MPa – on the roof 0.98 MPa Controls system adjacent, pilot type with multicore hose Supply pressure min 25÷32 MPa Hydraulic liquid class HFAE or HFAS Total mass 14 157 kg TECHNICAL PARAMETERS FOR HYDRAULIC ROOF SUPPORT Range of height Support density Legs Capacity per leg Total mass 1,25÷2,4 m 0,68÷0,86 MN/m2 2 x O320 with layers DURACHROM® 3,217 MN 13 550 kg Hydraulic roof support is equipped with stainless, layers DURACHROM® type. An application of this technology increases anticorrosive features of all protected surfaces at 3 times more than for electro-plated elements. Structures are manufactured accordingly to the extreme American requirements – 60.000 testing cycles. TECHNICAL PARAMETERS FOR HYDRAULIC ROOF SUPPORT System of operation Range of height – max – min Operation range Approved slopes of longwall – longitudinal – transversal Support centre Number of legs Capacity per leg – at yeild – at set Advance rate “one web back” 3.4 m 1.4 m 1.6÷3.3 m do 35° +/- 15° 1.5 m 2 pcs (for 47 MPa) (for 25 MPa) (for 30 MPa) 3.779 MN 2.01 MN 2.57 MN 0.8 MPa Support denisty – calculated with tip to face distance 0.979÷1.17 MPa – Calculated without tip to face distance 1.07÷1.28 MPa Advance forces – shield (for 25 MPa) 0.357 MN (for 30 MPa) 0.429 MN – AFC (for 25 MPa) 0.161 MN (for 30 MPa) 0.194 MN Max. operating pressures – on floor 2.96 MPa – on roof 1.28 MPa Controls systems E-H system Supply pressure min 25÷30 MPa Hydraulic liquid oil – in – water emulsion HFAE or HFAS class Total mass 18 200 kg TECHNICAL PARAMETERS FOR HYDRAULIC ROOF SUPPORT Range of height – max – min Operation range Approved slopes of longwall – longitudinal – transversal Support centre Number of legs Capacity per leg – at yield – at set Support density 4.5 m 2.2 m 2.6÷4.4 m 35° +/- 15° 1.5 m 2 pcs 2.62 MN 1.77 MN 0.96 MPa Advance rate Advance forces – shield – AFC Bering pressure – on floor – on roof Controls system Supply pressure Hydraulic liquid Total mass 0.8 m 0.502 MN 0.242 MN 1.83 MPa 1.15 MPa adjacent min 25 MPa O/W emulsion 19 026 kg