DT2-30D Double Boom Jumbo for Steep Slope

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Introduction of DT2-30D Double Boom Jumbo:

Combined with borehole and blasting, double boom mining jumbo drill can cooperate well with muck loaders. DT2-30 hydraulic underground crawler drilling jumbos are composed of drill booms, rock drills, hydraulic systems, and so on. Besides, optional configurations are offered to improve working performance. This jumbo offers a good working condition for operators.

1. Hydraulic Drill Boom

Double boom mining jumbo drill is equipped with special hydraulic drill boom.

(1) Blasthole distance is designed in high accuracy and parallelism so that location is precise and drilling speed is increased.

(2) Telescopic booms can make up drilling scale which is beyond drilling capacity of drill booms.

(3) In hydraulic underground crawler drilling jumbos, cross-section of main boom is in quadrate shape. In this way, drill boom accept stress more evenly. Besides, main boom can rotate within 180°.

2. Rock Drill

(1) DT2-30 double boom mining jumbo drill employs Montabert rock drill whose drilling efficiency is 2 to 4 times that of traditional ones.

(2) It can drill rocks whose maximum hardness is up to 15.

(3) Hydraulic compensation can decrease failures in drilling. Besides, to prolong working life of rock drill, the drill shank is specially designed to eliminate reactive force caused by impact force.

3. Hydraulic System

(1) To avoid cavitation erosion in oil pumps, we put oil tanks over oil pumps when designing hydraulic underground crawler drilling jumbos.

(2) DT2-30 double boom mining jumbo drill utilize multiple oil filter to guarantee high-purity oil, which can decrease working failure of hydraulic system.

(3) Oil flow volume in pumps is reasonable, which helps oil stay at suitable temperature.

(4) Hydraulic pressure is enlarged gradually to make a good transformation from boosting force to impact force.

(5) To make operation more comfortable, manual handle is applied.

4. Standard Configuration

Standard configurations of DT2-30 double boom mining jumbo drill are Montebert HC25 hydraulic rock drill, hydraulic cable drum, booster pump, air compressor, lift security ceiling (FOPS standard) and large-power working light.

5. Optional Configurations

Hydraulic pump and large/small-power diesel engine are optional for hydraulic underground crawler drilling jumbos.

Drilling Speed	0.8 - 2 m/min
Drill Boom Length	3090/2475 mm
Drilling Hole Diameter	Φ28 mm - Φ102 mm
Hole Depth	2700/2100 mm
Excavation Face (Width × Height)	≤7.5 m × 5.3 m
Travel Speed	25 m/min
Gradeability	≤14°
Creeper Tread Width	330 mm
Rock Drill	2 × HYD200
	2 × HC25/HC50 (Montebert optional)
Dimension (Length × Width × Height)	9065 × 1350 × 2615 mm
Weight	12100 kg

Total Power	77.2 kw
Main Electric Engine	75 kw
Voltage	380V - 1140V
Frequency	50-60 Hz

Main Hydraulic pump	2 × Plunger Pump + 2 × Plunger Pump
Max. Working Pressure	20 Mpa
Oil Tank Capacity	500 L
Cooling Medium	Water
Operation Panel	2

Boom Quality	2
Compensation	1550 mm
Drilling Way	Hydraulically Translational Motion
Rotation	± 180°
Boom Swing Scale	14°/ 35°
Lifting Scale	+55°/ -16°
Pitching Up/Down (Impeller)	+35°/-15°
Swing Scale (Impeller)	+35°/-12°
Telescopic Length	８50 mm

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