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:What is a rotary cast in place pile?: For the good cohesive rock soil layer, dry or clear water drilling technology can be adopted, without mud wall protection. For loose and easy to collapse formations, or groundwater distribution, unstable wall, it is necessary to use static mud wall drilling technology, and put in protective wall slurry or stabilizing liquid into the hole.

Q:How a rotary drilling rig: The first real iron man and then after a rope hauled the rig pulled the car

Q:What is the lifting force of the main hoist of a rotary drilling rig?: The rotary drilling rig has two winches,A main hoistA secondary winch,Among them, the auxiliary winding is of some auxiliary function, such as hanging a protecting cylinder or something, and the main hoist is used for lifting the drill pipeUnder normal circumstances the main hoist is responsible for the drill pipe and the drill bit weight can be, but when the drill will be mud suction and pore wall friction in the air, so the main hoist lifting force of the drill bit and is generally greater than the gravity, sometimes if there are some things above the pressure in the collapse of the drill rod can better reflect the main hoist lift characteristics.

Q:The advantages and disadvantages of the rotary drilling rig and impact drilling machine used in the construction of bridge bored pile foundation: Three see is a friction pile or pile support, support pile must use cyclotron drill, or go after drilling friction pile on the pile bottom sediment is not high, can be used to drill, but to ensure the aperture piles in Yangtze River bridge 3 meters are used for drilling rotary drill rig. Positive cycle rig. Reverse circulation drilling rig (pump suction or air lift). Full bore rig. Punching and drilling. Manual hole digging.... Have to look at geology, there are advantages and disadvantages, and pile diameter, the bottom water level, the amount of engineering, land or on the work rack, the length of the pile, and so on, ah!Rotary drill: wide range of application. That is, the mud wall, the hole is not easy. Drilling speed is slow in rock geology;

Q:Attention problems of rotary drilling rig: 1 remove the inspection cover near the base of the boom.2. Remove bolts, washers, lower cover and gasket.3, check the gasket, if there is obvious damage, should replace the gasket.4. Check the grease surface. Grease should be evenly distributed at the bottom of the tank.5. Check whether the grease is contaminated or discolored.6 grease should be replaced if the grease is contaminated or discolored by water.7. Lift the boom and transfer the upper structure to the 1/4 ring.8 repeat the procedure 7 1/4 cycles.

Q:How about the collapse of rotary drilling machine?: The term "drilling machine" generally refers to the equipment for drilling the earth's crust. Differential screw feeding type, hydraulic feeding type drilling machine; rotary - rope decompression type, hydraulic cylinder decompression type drilling rig; mobile rotary type - full hydraulic power head type, mechanical power head drill. Vibratory drill. Composite rig: vibration, impact, rotation, static pressure and other functions in different combinations of drilling rig together. The former Ministry of Geology and mineral resources in the Department of "DZ3-79" in the provisions of the rig category (table 3-1), all with Chinese Pinyin letters.

Q:The structure and principle of hydraulic rotary drilling rig are discussed!: Hydraulic and electrical should be explained on the spot. It's not good to explain to youConclusion: to know the hydraulic rotary drill movements, each action is respectively connected with the two pipes into one, you can get ahead from, the following are some pilot valve block and control the small tube, you can find the back from the cab, find the valve block. Look, where are the controls? Don't see so many pipes.Electrical is also very simple, the electrical cabinet is the core, but also divided into several blocks, divided into several major areas, the decomposition of control on the line.

Q:What kind of hydraulic oil is used in XCMG XR220 rotary drilling rig?: Summer fever is normal, at about 50-60 degrees on the line, the use of hydraulic oil is no problem, check the system has no leakage, and if there is leakage, and then a good hydraulic oil will also be hot.

Q:What are the components of rotary drilling rig Jixietaiban? How to calculate?: This contract according to the geology and site conditions have different changes, according to a 24 hour standard, a drill, a crane, a forklift, each driver two, a site manager, coolie four, perfusion six, a welder, purchasing a drill, water pump and other auxiliary vessel some general tools, according to the size of pile, geological conditions of pricing, how much money per meter.

Q:How much does a rotary rig for Sany cost? A?: Why is the price will appear in the same type of price is not the same situation at the time of the purchase of 31 of the rotary drilling rig? It is because it differs from other configurations, such as hydraulic motor, Rexroth, PARKER, and domestic. There is a speed reducer, Rexroth, BREVINI, domestic, which made the configuration of low price.

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