Callback form
Name
Phone
Time to call
 
export@rudgormash.ru

Tel: +7(473) 244-70-12

News

 
18.05.2017
A training session “How to set up and operate the hydraulic and electric drives of all types for SBSH drilling rigs” took place at RUDGORMASH.   The head of the Training center Aleksey Dronov told us the details of the event:   - We received here at Rudgormash the inquiry f
 
04.04.2017
  Dear colleagues!  On April 25-27 we would like to invite you to an already traditional for us exhibition MINING WORLD RUSSIA-2017.   Pavilion 2, Hall 8, stand A203 .   There you will be able to meet our specialists, receive a technical consultation from them, and discuss
 
24.03.2017
  It consisted of CEO, vice president of the Business council on cooperation with Russian Federation, president of the Mining Chamber of Mongolia – Badamsuren Hoohor and CEO's foreign trade Consultant - Purvee Yadamjav. The aim of the visit was introduction of Mongol company's representa


 

The drilling equipment

Rotary drilling rig SBSH-250MNA-32

Rotary drilling rig SBSH-250MNA-32
 
Electric drilling rig. The machine serves to drill technological blast holes in rocks with hardness of 6-18 units according to prof. Protodyakonov scale at open mines. The drill consists of the crawler-mounting unit, the machine room and the cabin and the mast mounted on it.

Crawler-mounting unit of the drill consist of two independent bogies connected by axis with the drives on each bogie.

Track links and wheels are made of high-alloy steel with heat treatment according to unique technology.
Crawler tension is handled by a hydraulic cylinder of double-action type.
The inclined frame surface and application of supporting rollers on console axis protects the rollers from mudding by sluggish ores in wet conditions. Bearings filled with lubrication for a whole service lifetime are situated in the bearings unit.

 

Machine room is a welded construction encased in metal plates.

The insides are:
-compressor unit;
- oil pumping station with its basic elements like the major pump with the regulated productivity that feeds the required force to the drill tool and performs other operations; the axillary pump that provides fast lifting and lowering of the drill tool to make screwing and unscrewing operations; rotation unit and track drives; electric cabinets and other equipment.

 

Two frequency drives by Schneider Electric control the asynchronous electric motors of the track during traveling of the drill. During drilling the frequency drives switch to control asynchronous electric motors of the rotation unit and hydraulic pump.

As an option, the drill can be equipped with dry system of dust suppression that includes the dust trap, the primary refining cyclone and exhaust fan.

 

 

Cabin of the drill is welded, all-metal. It has heat/cold insulation on the walls, ceiling and floor and it provides comfortable conditions for the operator. To lower vibration when drilling the cabin can be mounted on jacks and thus separated from the machine room.

 

Anti-vibration height adjustable chair for an operator is situated in the cabin. The panels with indication of drilling parameters are used to control the drilling process and the work of the main units on the machine. Doors with secure locks and weatherstripping provide hermetical isolation while air conditioner supplies clean air and thus provides excess pressure. If the temperature lowers below zero a heater switches on. Comfortable windows provide a good view of a working process of all main parts.

 

 

Mast is a spatial construction that is attached to the pillars through sliding bearings.

The mast is lifted or lowered by two hydraulic cylinders. It is fixed with two holders.

 

Thorough technical characteristics

 

SBSH-250MNA-32

Version-37-37-01-37-02-37-03-37-04-37-05-37-06-37-07
Hole diameter, mm 250  250  250  250  250  250  190  250 
Rod length, m 8,2  8,2  8,2  8,2  8,2  8,2  8,2  8,2 
Number of rods 6 (two
separators) 
6 (two
separators) 
Depth of drilling, m 32  32  47  47  32  32  55  32 
Dust suppression wet  wet  wet  wet  wet  wet  wet  wet 
Supply voltage, V 380  380  380  380  380  6000  380  6000 
Total power, kWt 460  430  460  490  490  490  500  500 
Motor power of rotation unit, kW 90
direct
current 
90
direct
current 
90
direct
current 
90
alternating
current
with
frequency
regulation 
90
alternating
current
with
frequency
regulation 
90
alternating
current
with
frequency
regulation 
90
direct
current 
90
direct
current 
Speed of lifting and lowering of the drill rod string,
m/min
25/25  25/25  25/25  25/25  25/25  25/25  25/25  25/25 
Speed of drill rod delivery to the face,
m/min.
0...3  0...3  0...3  0...3  0...3  0...3  0...3  0...3 
Compressor capacity, m3/min 32  32  32  32  32  32  32  32 
Drill rod rotation frequency, rpm. 0...120  0...120  0...120  0...120  0...120  0...120  0...120  0...120 
Power of the track drive, kWt 2 х 35
direct
current,
regulated
speed 
2 х 22
alternating
current –
non
regulated
speed 
2 х 35
direct
current
regulated
speed 
2 х 45
alternating
current –
regulated
speed
(frequency
regulation) 
2 х 45
alternating
current –
regulated
speed
(frequency
regulation) 
2 х 45
alternating
current –
regulated
speed
(frequency
regulation) 
2 х 50
direct
current,
regulated
speed 
2 х 50
direct
current,
regulated
speed 
Traveling speed, km/h 0-1,3  0,77  0-1,3  0-1,8  0-1,8  0-1,8  0-1,8  0-1,8 
Maximal gradeability, angle degree (°) 12  12  12  12  12  12  12  12 
Mass, kg. 80 000  80 000  80 000  80 000  80 000  80 000  90 000  85 000 
Overal dimensions with the mast up, m
lenght
width
height 

10.5
5.7
16.2 

10.5
5.7
16.2 

10.5
5.7
16.2 

10.5
5.7
16.2 

10.5
5.7
16.2 

10.5
5.7
16.2 

9.9
6.0
19.8 

10.5
5.7
16.2 
Overal dimensions with the mast down, m
lenght
width
height 

15.6
5.7
6.6 

15.6
5.7
7.1 

15.6
5.7
7.1 

15.6
5.7
6.6 

15.6
5.7
6.6 

15.6
5.7
6.6 

19.2
6.0
7.3 

15.6
5.7
6.6 
 

A set of optional equipment for the drilling rig:

  • diesel drive;

  • compressor units with productivity of 25-50m³ by Ukrrossmetal (Ukraine), Atlas Copco, Kazancompressormash, Remeza (Belarus) or Gardner Denver (Finland)

  • hydraulic equipment by Bosch Rexroth;

  • drilling rod of L – 9,5m;

  • rods of diameters: 146mm; 168mm; 180mm; 219mm;

  • dry system of dust suppression ;

  • centralized lubrication by Lincoln brand;

  • portable electric heating fan for heating the machine room;

  • on-board controller that gathers and analyzes drilling data and indicates the results on the board display. It is possible to set data through the keyboard and to have two-way communication with a dispatcher.

 

  «MMC RUDGORMASH»
tel/fax +7 (473) 244-70-12
E-mail: export@rudgormash.ru