Technical data Drilling rig LB 20
Concept and characteristics Kelly rope Kelly bar Leader top for Kelly rope Leader top for auxiliary rope Tensioning cylinder for crowd system Rotary Inclination device Casing driver Auxiliary winch Kelly winch Crowd winch Casing oscillator Radius adjustment device Undercarriage • High engine output with automatic engine speed control • Controlled entirely from cab • Sturdy and solid rig design • Solid parallel kinematics on the basic machine • High pull and push forces • High torque • Completely
Dimensions Basic machine LB 20 5° 15° 8° 8° 21230 528 900 3450 4700 700 3490 R 5445 36 20 Technical data Total height Max. pull, leader on ground Max. torque Stepless leader inclination Lateral inclination Forward inclination Backward inclination 4200 Operating weight 21.23 m 300 kN 209 kNm Total weight with 700 mm 3–web grousers with 800 mm 3–web grousers 68.5 t 68.9 t The operating weight includes the basic machine (with rotary and Kelly bar MD 20/3/24) and 8 t counterweight.
Transport dimensions and weights 3000 3400 14635 1120 700 3000 4425 5445 4765 Transport - leader folded* Dimensions and weights includes the basic machine (ready for operation) with leader, without working tools (such as rotary, Kelly bar etc.) and without counterweight. Leader length 17.91 m 51.
Transport dimensions and weights 2050 3000 7180 3000 700 5445 1470 1120 310 3400 1555 435 3000 1560 Transport basic machine Counterweight Rotary ready for operation, without counterweight. Weight Transport weight Transport weight 8.05 t 32.8 t 5.3 t BA 200 20120 2390 2590 2375 3545 Transport leader Dimensions and weights includes the leader without working tools (such as rotary, Kelly bar etc.).
Rotary BA 200 with shock absorber Gearbox frame Drive motors Kelly bar Shock absorber Gearbox Cardanic joint Casing driver BA 200 • 2-stage-gear drive for flexible adaptation to soil conditions • Due to stepless speed control via joystick optimum and precise alignment and rock drilling is possible even at low speed levels; it is not required to preselect an operating mode • Kelly shock absorber and rubber bearing relieve the material and reduce noise emission • Thanks to the Kelly shock abso
Kelly drilling A 1900 X Display for Kelly drilling Kelly bars Technical data Drilling drive - torque Drilling drive - speed Drilling drive - torque Drilling drive - speed 1 gear 1st gear 2nd gear 2nd gear st 209 34 109 66 kNm rpm kNm rpm Performance data Max. drilling diameter* Max. drilling diameter* *) Other drilling diameters available on request. 1500 mm uncased 1200 mm cased MD 20/3/24 A X Drilling depth Weight Kelly Ø (mm) (mm) (m) (t) (mm) 9800 6900 22.3 4.
Continuous flight auger drilling Auger with auger guide Display for continuous flight auger drilling Technical data Drilling drive - torque Drilling drive - speed Drilling drive - torque Drilling drive - speed Performance data 1st gear 1st gear 2nd gear 2nd gear 209 34 109 66 kNm rpm kNm rpm Drilling depth with auger cleaner* 13.0 m Drilling depth without auger cleaner* 13.6 m Drilling depth with 6 m Kelly extension, without auger cleaner 19.6 m Max.
Double rotary drilling Model DBA 80 Display for double rotary drilling Technical data Drilling drive I - torque Drilling drive I - speed Drilling drive I - torque Drilling drive I - speed Drilling drive II - torque Drilling drive II - speed Drilling drive II - torque Drilling drive II - speed 1st gear 1st gear 2nd gear 2nd gear 1st gear 1st gear 2nd gear 2nd gear 83 14 41 28 62 19 31 38 kNm rpm kNm rpm kNm rpm kNm rpm Max. drilling diameter* 620 mm Max. drilling depth 13.6 m Max.
Twin mix equipment Model DMA 35 Display for soil mixing Technical data Drilling drive - torque Drilling drive - speed Drilling drive - torque Drilling drive - speed 1st gear 1st gear 2st gear 2st gear 35 38 17.5 76 kNm rpm kNm rpm Max. drilling depth 13.6 m Max. drilling diameter* 700 mm *) Other diameters available on request.
Technical description Engine Control Power rating according to ISO 9249, 270 kW (362 hp) at 2000 rpm Engine type Liebherr D 936 L A6 Fuel tank 700 l capacity with continuous level indicator and reserve warning Engine complies with NRMM exhaust certification EPA/CARB Tier 3 and 97/68 EC Stage III A. Hydraulic system The main pumps are operated by a distributor gearbox. Axial piston displacement pumps work in open circuits supplying oil only when needed (flow control on demand).
Process data recording system - PDE® (additional equipment) The Liebherr process data recording system PDE® constantly records the relevant process data during the working process. 59% pile number 10% 12A/23 Ø60cm 3.5 m 3.78 m 4.0 m 4.5 m 5.0 m 5.
