finedrill

GY-300A Core Drilling Rig

The GY-300A drilling rig is a medium-shallow hole core drilling rig. It is not only suitable for large and small diameter core drilling with alloy and diamond as the main materials, but also can be used for engineering geological survey and engineering construction in the fields of construction engineering, hydropower engineering, highway, railway, port, etc.

The drilling rig has the following features:

1. The drilling rig has more (8 gears) speed levels and a reasonable speed range.

2. Low speed, high torque, wide range of use. In addition to high-speed drilling, it can also perform low-speed large-diameter drilling.

3. It has two reverse speeds, which makes it safe and less labor-intensive to handle accidents in the hole.

4. The drilling rig has a large installed power and can be equipped with a diesel engine or an electric motor.

5. The drilling rig has advanced structure, reasonable layout, flexible and reliable operation, and is easy to maintain, service and repair.

6. The drilling rig is small in size, light in weight and easy to disassemble.

7. The feed stroke of the drilling rig vertical shaft is as long as 600mm, which is conducive to improving drilling efficiency and reducing the occurrence of accidents such as drill sticking.

8. The vehicle can be moved smoothly, fixed simply and reliably, the high-speed drilling has good stability, and the hole opening distance is large.

9. The drilling pressure gauge adopts an oil-filled shock-proof structure, the drilling pressure value scale is simple, the indication is accurate, and the instrument has a long service life.

10. The drilling rig chuck adopts hydraulic pin type, which can clamp reliably and will not damage the active drill rod.

Parameter

1. Drilling capability

Core Drilling

Drill pipe category

Drill pipe specifications

Drilling depth

Domestic drill pipe

Internal thickened drill pipe

42mm drill rod

480m

50mm drill rod

350m

60mm drill rod

250m

Rope Coring Drill Pipe

55.5 mm drill rod

400m

71mm drill rod

290m

89mm drill rod

230m

DCDMA (Diamond Core Drill Manufacturers Association) Drill Rod

Rope Coring Drill Pipe

BQ Drill Pipe

440m

NQ Drill Pipe

290m

HQ Drill Pipe

195m

PQ Drill Pipe

135m

2. Drilling Angle

0°~360°

3. Power machine

model

power

Speed

weight

(1) Electric motor

Y180L-4

22KW

1470 r/min

190kg

(2) Diesel engine

4L68

24KW

1500 r/min

215kg

4. Rotator

Type: Dual cylinder hydraulic feed mechanical rotary

Vertical shaft through hole diameter

φ80mm

Vertical shaft speed: rpm

Forward (r/min)

58 101 160 221 234 406 640 885

Reverse (r/min)

46 183

Vertical shaft maximum torque

3000N·m

Vertical axis travel

600mm

Maximum lifting force of vertical shaft

60KN

Maximum pressure of vertical shaft

45KN

5. Winch

Type: Planetary gear transmission

Wire rope diameter

φ14mm

Drum wire rope capacity

45m (five floors)

Maximum lifting force of single rope

30KN

Wire rope lifting speed

Roll line speed (m/s)

(Second floor)

0.45 0.785 1.24 1.71

6. Clutch

Type: Dry double-disc spring-loaded friction clutch (normally closed)

7. Hydraulic system

(1) System pressure

Rated pressure

8Mpa

Maximum pressure

10Mpa

(2) Oil pump

Type: Gear oil pump (CB-E25)

Displacement

25mL/r

Rated speed

1500r/min

Rated pressure

16Mpa

Maximum pressure

20Mpa

8. Rack

Type: Sliding skid type (with sliding base)

Drilling rig travel

460mm

Keep the hole distance

260mm

9. Overall dimensions of drilling rig (length × width × height)

2510×950×1820mm

10. Drilling rig weight (excluding power machine)

About 1300kg

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