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GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

Brand Name:Shitan
Certification:ISO
Model Number:ST200
Minimum Order Quantity:1 set
Delivery Time:7 days
Payment Terms:L/C, T/T, Western Union
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Location: Jinzhou Hebei China
Address: Xiaoshang Village, Yingli Town, Jinzhou City, Hebei Province, China
Supplier`s last login times: within 28 hours
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GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor


Geological Drilling Rig Machine brief introduction

The GK-200 mobile drilling rig is a kind of widely used and hydraulic feeding drill, which has the characteristics of big power, great lifting force (2T) and high transmission torque. It can be used in engineering geological survey of railway, hydropower, transportation, bridge, foundation and other buildings, geological core drilling and physical exploration and so on.

Geological Drilling Rig Machine parameter

Drill Rig Specification
Drilling depth200m
Drilling Diameter75mm,91mm,110mm,130mm,150mm,300mm
Drilling rod diameter50mm
Drilling Angle90°-75°
Dimensions(L×W×H)1750×850×1300 (mm)
Weight1050kg/set
Swivel Head
Spindle Speed115, 230, 505, 1010r/min
Spindle stroke450mm
Spindle Dia.65mm (53x59 Kelly)
Upward displacement speed of drilling vertical spindle0.05m/s
Downward displacement speed of drilling vertical spindle0.067m/s
Spindle pull-down max15KN
Spindle lifting capacity max25KN
Vertical maximum output torque1.5KN.m
Hoist
Max. Lifting capacity(single rope)20KN.m
Lifting rotating speed20; 40; 90; 168r/min
Hoisting drum linear velocity (two levels)0.17; 0.35; 0.73; 1.5m/s
Durm Diameter140mm
Wire rope diameter9.3mm
Wire rope capability40m
Gear Pump
ModelYBC-12/125
Rated pressure12.5Mpa
Displacement20ml/r
Rated Speed2000r/min
Diesel Engine
ModelZS1115
Rated Power16.2KW
Rated Speed2200r/min
Mud Pump
ModelBW-160
Displacement38, 58 ,90, 160 L/min
Pressure1.3 Mpa

How about the features of it ?


1. With hydraulic automaatic feeding device, elevated drilling efficiency.
2. Large torque and drilling diameter.
3. With a spherial jaw holding mechanism and the rod replacement without breakdwn, high efficiency.
4. Compact structure, small volume, lightweight, high detachability, easy transportation and suitable for the operations in plains or mountain areas.
5. Adoping large drive pipe, double guide rod, increase the stability.

What is the construction technology of de watering well?


Well point measurement and positioning → hole digging and casing embedding → drilling rig in place → drilling → hoisting well pipe → back-filling filter material (coarse sand or gravel) between well pipe and hole wall → hole washing → drainage pump in well pipe and installation of pumping control circuit → trial pumping → normal operation of well point → de watering completion, pipe pulling → well sealing.

The de watering shall be carried out 20 days before the excavation of the foundation pit, so as to drain the stagnant water in the stratum in advance, reduce the groundwater level, improve the self stabilization capacity of the soil layer, and smoothly carry out the anhydrous operation. During the de watering operation, the water level observation of each well shall be done well, and the change of the head of the confined aquifer shall be mastered in time
















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GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

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