MGJ-50L Crawler Drill Rig for Anchoring and Jet-grouting

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MGJ-50L Crawler Drill Rig for Anchoring andJet-grouting

Applications：

MGJ-50L crawler drill rig for anchoringand jet-grouting is a type of integration of crawler, mud pump and controlpanel based on original MGJ-50 drill rig for anchoring and jet-grouting. Itfeatures long feed stroke, large capacity, easy to operate and move etc. It isbetter idea anchoring drill rig for anchoring bar, consolidating andstrengthening engineering and all other engineering geological drilling.Thedrilling rig is mainly used in soil and rock anchoring, consolidation of roadbase, dam base and retaining wall, and blasting hole drilling and jet-grouting.

MAIN SPECIFICATIONS：

1. The drill rig is withmechanical transmission and hydraulic feed, drill hole dia. is mainly110—130mm(can reach 180mm), drilling capacity 60 m, can drill at any anglebetween horizontal and vertical.

2. Long feeding stroke reaching2300 mm with 2 m drill rod.

3. Using with rotation drillingand percussion –rotation drilling, drill efficiently.

4. Support cylinder, it is easyto adjust the angle of the mast.

5. With crawler, it is easy andfast to find out the drill hole position.

Main TechnicalSpecifications

1 Power unit
Diesel engine	ZS1115 15kW 2200r/min
2 Base pre-meter
Drilling hole dia	130mm mainly (can reach 180mm)
Drilling capacity	60m
Drilling angle	any angle between vertical and horizontal
Drill rod	Φ50mm or Φ73mm; length 2 m
Rated pull force	22kN
Rated push force	14.6kN
Lifting speed	0.259 m/s
Max. torque	2984N·m
3．Top-drive head:
Type	mechanical top-drive head
Stroke	800 mm (the shortest mast type)
Speed	48;88;162;281 r/min,reverse speed:39r/min
4 Oil pump
Model	CBK1020/8-396R
Flow	20+8.1 mL/r
Rate speed	1500 r/min
Max. pressure	8MPa
Working pressure	16MPa
5 Crawler
Model	DP101CT
Max. tow force	27.5 KN
Crawling speed	1.17 km/h
Crawling angle	less than 30°
6 Mud pump
Model	BW120QF
7 Overal dimension
Drilling vertical hole	L×W×H: 3130×1920×4090
Drilling horizontal hole(transportation state)	L×W×H: 3550×1920×1820
8 Weight of drill body
excluding the power unit	900Kg
Whole weight	2850kg

Q:Rotary drilling rig when piling, the drill bit off the hole in the pile, how to fish ah?: The depths of the parts are steel material, jack with a solenoid (suction of 500 kg is enough), tied to a rope and power line down, should be able to smooth lifting. Let go of their depth should be clear, can also be judged according to the change of weight is sucked, if you can see or hear it is more convenient.

Q:Why not use rotary drilling rig instead of manual digging pile?: 1, can not find the right rig.2, on a drilling rig drilling too difficult.3, have luck, want to save money.

Q:How much do you charge for a day rig?: Also, if you rent the rig, you must request a drill safety certificate, and the operator's operation certificate, you must carefully check, because there are more false. If there is no test of engineering equipment, a safety accident, you have to bear responsibility.

Q:How heavy is the 250 auger rig?: There is a SR360 rotary rig, the largest 200 ton rig in Asia

Q:What is the drilling speed of rotary drilling machine?: I just want to know that a range is the speed at which a hole is drilledIf you want to say the condition, the pressure is 6 tons. The construction stratum is a common surface soil layerQuaternary unconsolidated layer, gravel layer and bedrock layerAbout two meters in diameter

Q:How can the drill pipe cracking of rotary drilling rig be welded?: Tell you, you remember, it's a friction welded joint! If it is not friction welding, it is deceptive. Because the oil drill pipe is friction welded. There is a welding and cutting equipment company in Harbin. I used to work as a technician there. Can help you with this problem.

Q:What are the hidden dangers during the construction stage of rotary drilling rig?: You said the dry operation of rotary bored pile is that track rotarydiggingmachine (Sany more) in the hole on the drill directly under the earth, next to a loader pushed the dry soil in time. This caterpillar rotary drilling friction pile in Loess Plateau is appropriate. The water level is low, the length of pile formation Little Rock. The rotary drilling speed, no water, no hole collapse, no wall. But hit the water and rock layer is more trouble.

Q:Is there a need for slurry retaining wall for rotary drilling cast-in-place pile?: The rotary drilling adopts the form of power head, and uses the powerful torque to directly dig the soil or gravel and so on. First of all, the rotary drilling, drilling technology and impact drilling, artificial hole separation.

Q:What are the reasons for partial drilling of rotary drilling machine?: Geology: partial hole geology is the main reason, if the geological are loess layer, clay layer, so the hole will not appear error phenomenon, mostly by the geological changes, weathered rock, rock distribution and the drilling bucket uneven stress and the formation of.

Q:What brand of rotary drill is good?: Abroad, Bauer, I used the Futian leiwo, is awesome, Carter chassis, three motor reducer, power head multi speed control, embedding ability of super strong, often machine is an open day.

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