Gy-300A Rotary Hydraulic Core Drilling Machine for Borehole Water Well/Geotechnical Study

Product Description

Product Description GY-300A is a core drilling rig for medium and shallow hole. It is applied not only to alloy and diamond core drilling with different calibers but also can be used for geological prospecting works, fluid ore drilling in surface layer and shot holes and drilling vent holes, drilling in hydrology, water wells and large bores. It has been widely used in such areas as road and railway construction, water resources and hydropower, and architecture.
Product Features 1. Large torque, 8 rotation speeds in an appropriate range, large drilling capability.
2.The rig has two reverse rotation speeds to facilitate drilling and handle drilling problems.
3. Long feeding distance(600mm), higher drilling efficiency, lower probability of drilling problems.
4. Hydraulic pin chuck, able to reliably lock the Kelly bar without tiny damage to it.
5. The rig has large drilling capability with small size and light weight.
6. Mineral exploration, water well boring, pile hole boring.
Note: GY-300T is a model developed on the basis of GY-300A, which is integrated with a hydraulic tower system. The hydraulic tower can be set at different angles for incline drilling.
Product Parameters The technical parameters of the GY-300 hydraulic core drilling rig:

1.Drilling capacity

Core Drilling

Drilling rod type

Drilling rod size

Drilling depth

Drilling rod( China)

Inner thicken drilling rod

42mm

480m

50mm

350m

60mm

250m

Wireline drilling rods

55.5mm

400m

71mm

290m

89mm

230m

DCDMA Drilling rod

Wire drilling rods

BQ

440M

NQ

290M

HQ

195M

PQ

135M

2.Spindle Turnable angle

0-360°

3.Power

Model

Power

R.speed

Weight

Electric Motor

Y180L-4

22kw

1470r/min

190kgs

Diesel engine

4L68

24kw

1500r/min

215kgs

4.Rotary Table

Type

Double-cylinder feeding and mechanical rotation

Spindle diameter

80mm

Spindle speed

Forward(r/min) 58 101 160 221 234 406 640 885

Reverse(r/min) 46 183

Max. torque

3000N*M

Feeding travel of spindle

600mm

Max.uplifting force of spindle

60KN

Max.feeding force of spindle

45KN

5.Hoist

Type

Planetary gear transmission system

Diameter of wire rope

14mm

Bobbin capacity

45m(6 layers)

Max. hoisting force (single rope)

30KN

Lifting speed

Hoisting velocity(second layer)0.45 0.785 1.24 1.71

6.Clutch

Type

A typical 130-type vehicle-specific dry single-disc friction clutch

7.Hyraulic system

System pressure

Rated pressure

8Mpa

Max. pressure

10Mpa

Oil pump

Type

Oil gear pump(CB-E25)

Displacement

25ml/r

Rated speed

1500r/min

Rated pressure

16Mpa

Max. pressure

20Mpa

8.Frame

Type

Sliding type (with base frame

Movable travel of drill

460mm

Distance between drill and hole-opening

260mm

9. Dimension (L*W*H)

2510*950*1820MM

10 Weight (engine is not included)

1300kgs

11.GY-300T with hydraulic tower

Vertical height

9m

Adjusted angles of drill-tower (can drill horizontal holes)

45-90°

Lifting height

8m

Dimension

4*4*9m

Weight(include frame)

1300kgs

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