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SM series Anchor Drill Rig is applicable to the construction of rock bolt, anchor rope, geological drilling, grouting reinforcement and underground micro pile in different types of geological conditions such as soil, clay, gravel, rock-soil and water-bearing stratum; it can realize double-deck rotary drilling or percussive-rotary drilling and auger drilling (through screw rod). By matching with air compressor and down-hole hammer, they can realize follow-up drilling of casing pipe. By matching with shotcrete equipment, they can realize the construction technology of churning and supporting.
The cooperation of two groups of carriage and four-bar linkage mechanism can realize multi-directional rotation or tilt, so as to make the roofbolter realize the left, right, front, down and a variety of tilt movements, greatly enhancing the site adaptability and flexibility of the roofbolter.
The main control system of SM series roofbolter adopts reliable proportional technology, which not only can realize stepless speed adjustment, but also can realize high and low speed switching quickly. The operation is more simple, easy, and reliable.
| Overall dimension of complete vehicle (mm) | 7430×2350×2800 |
| Travelling speed | 4.5 km/h |
| Gradeability | 30° |
| Maximum traction | 132kN |
| Engine power | Weichai Deutz 155kW（2300rpm） |
| Flow of hydraulic system | 200L/min+200L/min+35L/min |
| Pressure of hydraulic system | 250bar |
| Push force/Pull force | 100/100 kN |
| Drilling speed | 60/40、10/5 m/min |
| Drilling stroke | 4020mm |
| Maximum rotation speed | 102/51 r/min |
| Maximum rotation torque | 6800/13600 Nm |
| Impact frequency | 2400/1900/1200 Min-1 |
| Impact energy | 420/535/835 Nm |
| Drill hole diameter | ≤φ400 mm (Standard state: φ90-φ180 mm) |
| Drilling depth | ≤200m (According to geological conditions and operating methods) |
It is equipped with a mobile main control console. The operator can freely adjust the operating position according to the actual condition of the construction site, so as to achieve the optimum operating angle.
Through the movement of a group of cylinders which are mounted on the roofbolter chassis, the angle of upper vehicle assembly relative to lower vehicle assembly can be adjusted, in order to make sure the crawler can fully contact the uneven ground and make the upper-vehicle assembly keep level, so that the roofbolter can have a good stability when it moves and travels on uneven ground. Moreover, the center of gravity of complete machine can be kept stable when the roofbolter runs uphill and downhill in the condition of large gradient.
What applications and geological conditions is the SM series Anchor Drill Rig suitable for?
The SM series is designed for rock bolts, anchor ropes, geological drilling, grouting reinforcement, and underground micro piles. It handles various geological conditions, including soil, clay, gravel, rock-soil, and water-bearing stratums.
How does the carriage and linkage mechanism improve flexibility on site?
The system features two groups of carriage and a four-bar linkage mechanism. Together, they allow multi-directional rotation and tilting (left, right, front, down), which maximizes site adaptability.
What is the advantage of the adjustable upper-vehicle design?
Cylinders mounted on the chassis adjust the angle between the upper and lower vehicle. This keeps the crawler in full contact with uneven ground, maintains a level upper assembly, and stabilizes the machine’s center of gravity on steep gradients.
What control technology is used for operating the roofbolter?
The main control system utilizes reliable proportional technology, facilitating stepless speed adjustments and quick high/low speed switching via a mobile control console for optimal operator positioning.
What are the drilling limits for diameter and depth?
The rig supports a drill hole diameter up to φ400 mm (with a standard range of φ90-φ180 mm) and can drill to depths of ≤200 meters, depending on geological conditions and methods.
Can this rig perform follow-up casing drilling?
Yes. By pairing the machine with an air compressor and down-hole hammer, it is capable of executing follow-up drilling of casing pipes.
