Gold Member Since 2013
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Qingdao Grandplan Technology Co., Ltd.

Borehole Rig, Drill Rig, Rig manufacturer / supplier in China, offering Borehole Rig/Sample Coring Drill Rig, Gpl-1.5 Underground Diesel LHD/ Underground Loader, Sjz Series Vertical Shaft Drill and so on.

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Borehole Rig/Sample Coring Drill Rig

FOB Price: US $50,000-80,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $50,000-80,000/ Set
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Port: Qingdao, China
Production Capacity: 200PCS/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: GP90-1
  • Condition: New
  • Drill Hole Diameter: Aq Bq Hq Nq Pq Sq
  • Bit Type: Diamond Bit
  • Name: Borehole Rig
  • Drilling Depth(M): 1-500
  • Material of Rod: Steel
  • Transport Package: Export Standard Packing
  • Origin: China
  • Certification: CE, ISO 9001:2000
  • Motor: AC Motor
  • Drill Hole Depth: >300m
  • Drilling Way: Rotary
  • Model: Gp90-1
  • Hole Dia.(mm): Aq, Bq, Hq
  • Trademark: GRANDPLAN
  • Specification: AS PER YOUR REQUEST
Product Description
Borehole Rig/Sample Coring Drill Rig

GP90-1 All Hydraulic Diamond Core Drilling Rig
Performance and Specifications
Rod, Hole and Depth (with wire line)
Drilling depth(m)Hole Dia.(mm)Rod Dia.(mm)Material of Rod
Depth are based on vertical hole
Working Parameters
Main shaft rotation speed without load: ≥1700r/min (speed reducer ratio 2.2:1) ≥820r/min (speed reducer ratio 3.5:1)
Main shaft rotation speed with load: ≥1300r/min (speed reducer ratio 2.2:1)
Drilling output: 40-60m per 6 hours for general conditions, if hardness is not big, drilling output will be more.
Torque of axle: ≥650 Nm(speed reducer ratio 2.2:1 rotation speed 400 rpm) Axle pushing force: >53KN
Axle pulling force: >66KN Drilling angle: 0-360° Surface obliquity: 30°-90° Drive head stroke: 1600 mm
Water consumption: 5-10m3/day,depending on different climate and this is for cycled use. Core recovery: ≥75% if the ore body structure is not integrated.
≥85% if the ore body structure is integrated.
Total weight: 1750 kg(main body:550kg+ Power unit:700kg+ Operation panel:112kg) Outer dimensions:
Main body:2370×300×500mm Power unit:1530×1100×1210mm Operation panel:550×450×1150mm
Main Body
The machine body is composed of the following parts:
1.  Chuck and speed reducer assembly including:
l Speed reducer: ratio 2.2:1
l Chuck and guide sleeve
l Hydraulic motor

n Working pressure: 20Mpa
n Maximum pressure:25 Mpa
n Theoretical drainage: 80ml/r, the minimum drainage 35ml/r
1. Holder assembly
2. Bed body
Oil cylinder in bed body adopt GG012-80/40x800x1060 Chain adopt 1# and 1 1/4# two kinds of bush roller chain.
Power handcart
Power handcart is composed of the following parts:
1. Y series three-phase squirrel-cage asynchronism motor
l Voltage: 380 V
l Frequency: 50 Hz
l Rotational frequency: 1480 r/min
l Power: 55Kw
2. High pressure axial plunger pump
l Motor oil way plunger pump(main pump)
n Rated pressure: 31.5 Mpa
n Theoretical drainage: 800 ml./r(90% of the oil pump drainage)
n Max. theoretical torque: 439.6 Nm
l Feed oil cylinder oil way plunger pump(service pump)
n Rated pressure: 31.5 Mpa
n Theoretical drainage: 10.9 ml/r
n Max. theoretical torque: 54.8 Nm
3.  Oil filter
Filtration accuracy: 10 µm 4. Cooler
l Oil pressure: 1.6 Mpa(max)
l Water pressure: 1 Mpa(max)
5.  Relief valve
l Rated flow: 401/min
l Adjustment pressure scope: 16-32 MPa
6. Electrical drive pump for hydraulic oil refill: used for adding hydraulic oil
7. Walking wheel
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