Geotechnical Portable Hydraulic Borewell Drilling Machine Underground Drilling
underground portable well drilling machine
,underground portable water well drilling rig
,600kg portable well drilling machine
This 200 Meters Depth Geotechnical Machinery Portable Water Well Drilling Rig is designed to solve problems in well drilling, geological exploration, and soil testing. It is a medium shallow hole core drilling machine with advantages of small size, light weight, large power, and wide application range. Particularly suitable for constructions of hydroelectric power stations, highways, railroads, and harbors.
| Parameter | Specifications |
|---|---|
| Drilling diameter (mm) | 75, 91, 110, 130, 150, 300 |
| Drilling depth (m) | 200, 150, 100, 70, 50, 30 |
| Drill pipe diameter (mm) | 42, 50 |
| Drilling angle (°) | 90~75 |
| Equipment size (L × B × H) | 1730 × 860 × 1360 (mm) |
| Rig weight (except engine) | 700 kg |
| Parameter | Specifications |
|---|---|
| Spindle speed (four gear) (r/min) | 115, 230, 505, 1010 |
| Spindle travel (mm) | 450 |
| Spindle no-load lifting maximum moving speed (m/s) | 0.05 |
| Spindle no load drop maximum movement speed (m/s) | 0.067 |
| Spindle maximum feed pressure (KN) | 15 |
| Spindle maximum lifting force (KN) | 25 |
| Spindle maximum output torque (KN•m) | 1.5 |
| Parameter | Specifications |
|---|---|
| Winch maximum lifting force (single rope) | 20 KN |
| Reel speed (r/min) | 20, 39, 85, 170 |
| Reel circumferential speed (m/s) | 0.172, 0.345, 0.738, 1.476 |
| Reel diameter (mm) | 140 |
| Wire rope diameter (mm) | 9.3 |
| Wire rope density (m) | 40 |
| Brake diameter (mm) | 278 |
| Brake band width (mm) | 50 |
- Very powerful performance in soil, sand, hard rock, and various land conditions
- Three types of drill bits available (three-wing bit, alloy bit, and diamond bit) for both soft and hard ground, with diamond drill bit particularly effective for hard rocks
- Hydraulic control system for greatly improved working efficiency and labor savings
- Mounted wheel or trailer configuration for easy transport by car or tractor
- Power options: diesel engine or electric motor, available as per request
The drill bit plays a crucial role in water well drilling operations. Bit quality directly affects drilling efficiency and quality. Proper selection and usage are essential for optimal production and operation.
- After completing the drilling structure, replace the central drilling tool promptly. Clean the hole bottom and blow away residue. Lift the drilling tool slowly when the lifting force is just sufficient.
- During drilling, monitor and summarize drill bit performance. Observe casing follow-up situation, understand specific hole conditions, and maintain hole cleanliness. Avoid forcing the drill bit during extraction.
- When excess rock slag accumulates at the hole bottom, causing eccentric bit rotation issues, apply air pressure to clean the hole. Allow the DTH hammer to work briefly before lifting the central drilling tool again.
- Regularly check surface paint for looseness and operating parts for rust
- Regularly inspect reinforcement for looseness
- Regularly examine welding positions for faulty welding and desoldering
- Perform no-load operation according to safety procedures, idling for 20 minutes
- Check hydraulic transmission system operation, hydraulic seals, oil pipes, and connectors for leaks
- Monitor temperature and verify vacuum pressure gauge functionality
- Inspect reinforcement for looseness and ensure all operations are sensitive and reliable



Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products:
Pneumatic Drilling Rig / Air Drilling Rig(ST-180,ST-200,ST-260,ST-300,ST-350,ST-400,ST450,ST-450,ST-500, ST-600,ST-800 and other Pneumatic water well drilling Rigs.), Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig(ST-30,ST-50,XY-1A, XY-1B, XY-2, XY-2B,GK180, GK200, GY150, GY200 and 30 impact drill rig, ZLJ series tunnel drilling rig and other geological drilling machines)Crawler Track Undercarriage, Drilling Mud Pump(BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps), Drilling Air Compressor, Water Well Drill Bits(PDC Drill Bit, Tricone Bit, DTH Button Bit), Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter
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