Hydraulic Leg Drill Yyt28, Electric Drive Hydraulic Rock Drill

• Certification: CE, ISO 9001:2000
• Transport Package: Sea
• Specification: 1.4*2.6*1.1M
• Trademark: GoldenMoral
• Origin: China
• Model NO.: YYT28
• HS Code: 84671900
• Production Capacity: 100 Unit/Month

Product Description

YYT28 hydraulic leg drill:
its powerful percussion and rotation, low-power, low noise, long life, obvious advantages and so on, is widely used in rock excavation project. YY26 hydraulic rock drill absorb advanced technologies at home and abroad, it also has the unique advantages in the following:
(1) The three main functions automatic Control (patent): percussion,rotation,push synchronization. Improve double footage speed, lower more than half power consumption.
(2) Through-hole oil motor (patent): no need for mechanical transmission, small size, long life, and great torque.
(3) Cooling-water system (patent): all-round cooling machine, blow slag cleanly.
(4) Flexible hydraulic legs (patent): single drill leg's energy ; reduce the probability of stick the rod, benefit a smooth operation.
(5) Brake-chuck (patent): ensure the drillman safety when the rod tail breaken, the structure lightweight, action flexibility.
(6) The pressure lubricating oil chuck bushing (patent): chuck bushing and seclude bushing lubricate directly, reliable and convenient.
(7) Complete specifications: a power station with multis-rig, flexible portfolio.
Powerful drilling
High durability
Easy and safe operation
Perfect leg-drill balance
Performance equal to air flushing

Specifications

shank

Water flushing

Air flushing

Weight kg

Length Overall mm

Piston Stroke mm

Piston Dia mm

Oil flow L/ min

22×108

√

√

26

600

24

30

32-35

Hydraulic Pressure Mpa

Impact Energy J

Impact Frequency J

Torque Nm

Spin Speed r/min

Drilling Hole dia mm

Water Pressure Mpa

15-17.5

55-65

55-60

50-55

250-300

φ32-46

0.1-0.3

support leg
Weight kg	Length mm	Length  mm(extended)	Feed length  mm	Feed cylinder Dia mm
12.5	1400	2600	1110	47