The representatives of “Klesovski quarry “TECHNOBUD” company came to see the commissioning and testing works of the throw screen GIT52M.
The testings went well and the customers were remained satisfied with the new equipment. A maintenance engineer Cherota R.
The 12-th International Exhibition “Mining equipment, extraction and concentration of ores and minerals” MWUz-2017 took place on November 15. This is the major international exhibition of mining and metallurgical complex in Uzbekistan, that unites the leading manufacturers and sp
LLC HC “Rudgormash” manufactured the new throw screens GST-62B and sent them to the client.
The throw screens were produced for the needs of PJSC “Severstal” (Cherepovets metallurgical complex) according to the customer’s documentation.
The throw s
Hydroficated rotary drilling rig with an electric drive serves to drill blast holes in rocks with hardness from 6 to 18 units according to prof. Protodyakonov scale at open mines as well as to drill deviated contour holes.
The components of the drill are situated on the platform which stands on the crawler mounting unit of excavator type.
All mechanisms of hydraulic system are fed by the major pump driven by an electric drive of 75kW powered by the voltage of 380 V.
The mast is a spacious welded construction with an open front side made of square pipes. Inside the mast there are a rotation and feeding mechanism, a separator for rods, a rest device and a screwing and unscrewing mechanism of the drill tool.
Load bearing constructions are made of alloy steel;
Hydraulic components are mobile and manufactured by Bosch Rexroth company;
The drives have load safety factor that greatly increases the life cycle of the major units;
the motors are cavitation protected even when the drilling rig travels downhill;
productivity regulation of the main pumps can be done upon customer’s request based on the operations it performs. The power of the actuating motor is diminished due to the optimal use of the regulated pump’s power specifications;
seamless connections of pipes and high-pressure hoses are applied in the hydraulic system that eliminates the problem of oil leaking;
modern measuring instruments are used to control the process of drilling;
all auxiliary operations are automated;
the track motors switch off during the drill towing;
optimal center adjustment of the machine with the mast up or down is provided on the drill.
Hole diameter, mm
160; 171; 215; 230
Hole depth, m
Rod length, m
Number of rods, items
4 (3 in a separator)
Angles of inclined drilling,degrees.
0; 15; 30
Type of drill tool delivery to the face
By two hydraulic motors with in-board brake valves.
Axial feed force to the face, kN
Axial force to the drill tool head, kN
Speed drill tool delivery when drilling
Lifting and lowering of the drill tool, m/min
Up to 48
Rotation unit drive
Two hydraulic motors
Torque of the drill tool, Nm
10 000 ... 12 000
Rotation frequency of the drill bit, r/min
CRAWLER MOUNTING MECHANISM
2 х 160 l/min
Traveling speed, km/h
Maximum gradeability, degrees.
Crawler track specific pressure,kPa
28 or 40 (at your choice)
Operating pressure, MPa
3 (stroke- 1200mm)
Mast rotating hydraulic jacks, items
POWER STATION PARAMETERS
Feeding voltage, V
Power of electric motor drive, kW
Electric equipment of hydraulic control valve
24 V, of direct current
Gross installed capacity at most, kW.
Wet or dry (at your choice)
OVERALL DIMENSIONS OF THE DRILL
With the mast up: length/height/width, m
10 / 5,6 / 15,5
With the mast down: length/height/width, m
15 / 5,6 / 5,3
Upon the Customer’s request the drill can be supplied with a number of optional equipment.