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KY-250D Rotary Blast Hole Drilling Rig

KY-250D Rotary Blast Hole Drilling Rig

Description
KY-250D blast hole drilling rig is high in performance, which is manufactured in line with the set industry standards under the supervision of our technical team. Our organization is involved in offering blasthole drills, which are widely used in construction and other engineering related industries. Blast hole drilling rigs are perfect for carrying out all types of drilling operations by DTH method in mines, quarries, and construction projects.

Advantages
1. All the drives of this KY-250D blasthole drill adopt full hydraulic system. The drilling hole’s location is controlled by guide handles. The action and speed can be adjusted at any time. Thus this blast hole drilling rig is convenient to operate and precise to locate, which can greatly improve working efficiency and adaptability.
2. Main components of this KY-250D blasthole drill introduce imported brands, which guarantee the machine’s reliability.
3. We are able to adapt to the changing needs of our customers and we can manufacture this blast hole drilling rig according to our customers’ specifications.

Features
1. This KY-250D blasthole drill is using 6 kv or 10 kv high voltage power supply.
2. The driving cab of this blast hole drilling rig adopts double structure, which can prevent heat and keep warm. The driving cab is also equipped with air conditioner, electric heater, etc. The window also uses double glass.
3. KY-250D type blasthole drill adopts AC variable frequency motor. It also utilizes high drilling frame, which can hole the depth of 18m at once.
4. This blast hole drilling rig is leveled by four hydraulic jacks. It can work on the roughness of 400mm.
5. The hydraulic system manual multi-way valve and electro-hydraulic directional control valve of this blasthole drill adopt imported parts, and pneumatic components adopt Japan SMC products.
6. Rotation, elevation and walk of this blast hole drilling rig are all driven by AC frequency conversion motor. They are controlled by three level inverter vector to realize stepless speed regulation.
7. The caterpillar stents, balance beam, platform and drilling frame of this blasthole drill are made by low alloy steel. And their service life can reach 10 years.
8. Dust removal system of this blast hole drilling rig uses compressed air injection type or pump water supply type. The northern region utilizes water tank heating, water heating, etc. to prevent freeze.
9. Various kind accessories of the blasthole drill are configured completely, such as electric welding machine, vise, common and special tools, etc.
10. AC frequency inverter, programmable controller (PLC) and HMI graphic operation terminal of the blast hole drilling rig all adopt imported parts.
11. This KY-250D blasthole drill is equipped with indicator, displayer, etc., which can monitor working conditions.
12. This blast hole drilling rig is stable to operate with no need of maintenance at front 2000 hours.

Technical Parameters of KY-250D Blasthole Drill

Type: KY-250D
Punching Diameter: 220~270MM
Hole Angle: 90°
Hole Depth: 18M Once
Rock Hardness Coefficient: f=5-20
Axial Pressure: 370Kn
Rotating Speed: 0~88r.pm
Rotary Torque: 7930NM
Lifting Capacity: 270KN
Lifting Speed: 0-21 m/min
Feed Speed: 0~2.1 m/min
Slagging Air Compressor Blast Capacity: 36 m³/min
Slagging Air Compressor Wind Pressure: 0.5MPa
Traveling Speed: 1 Km/h
Traveling Type: Crawler
Traveling Power: Motor
Grade Ability: 21%
Total Power: 390KW
Weight: 107T
External Dimensions:
Vertical: 12.1x6.21x25.06M
Horizontal: 24.27x6.21x7.214M

Founded in March, 2003, Nanchang Kama Co., Ltd specializes in research, development, production and sales of mining machinery. Due to the strict control of source and quality of parts from international famous brand like Deutz engine, Dana transmission and torque converter, etc, Kama machines can always give customers satisfaction. Blast hole drilling rig (Blasthole drill) has been for sale for many years, winning widespread recognition and praise. If you are interested in this product, please feel free to contact us.

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