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SHOVEL
EKG-20
3 - 16...24 - 40 t - 750 t
mMain dipper capacityDipper payload Working mass
Main drive control systemDrive system
Climatic version
TECHNICAL PARAMETERS
ELECTRIC DRIVE
Drive system :– –
–
–
high weighted power factor (0,95);low content of upper harmonics in power supply
network; electrical braking of units in case of 6kV power supply
network failure;energy efficiency;
–
–
frequency converter and induction motor.
TC2, working temperature: -40°С; +45°С.
Protection:–
–
–
– –
–
– –
protection from internal and external short circuits and overloads;
protection from overload (overheating) of IGBT transistors;
protection from open-phase operation and wrong phase sequencing;
protection from motor voltage overload; protection from power supply line voltage overload and
voltage drops; protection from frequency converter cooling system
ventilation failure; protection from insulation resistance drop;protection from drive self rotation.
Auxiliary drivesAux. equipment power supply voltage:– – – – – –
aux. drives – 380 V;lighting – 220 V;AC control circuits – 220 V;DC control circuits – 110 V;warning circuits – 24 V;clearance and emergency lighting – 12 V.
Working lightingCablesProtection
FRONTALEQUIPMENT
Frontal equipment design – rigid rack-type crowd mechanism with double-beam stick and sheave-less dipper suspension.
2
–– – –
LED lights and floodlightsself-extinguishing cables.from electric shocks.from resistance level drop.
.
DipperDesignMaterial
Connectionwith the stickDipper door brakes
––
––
–
cast front wall, door, yoke and teeth
are made of high-manganese steel. rear wall is welded of rolled plates.. 4-point hinged joints (with heavy-
duty bushings, pins, and axles). disc brakes mounted on the rear
wall.
decast and welded.
BoomBoom design
Crowd mechanismGearbox
CouplingConnection with the revolving frameBoom suspensionBoom point sheaveBrake
–
–
–
– –
–
–
–
all-welded box-section boom with heat-treated transverse and longitudinal diaphragm plates and forged parts. The frame of the boom is heat-treated. The boom has increased strength and torsion-proofness for digging rocky soil.
mounted in the middle of the boom.
two-stage gearbox with external rack-and-pinion gear.
with flexible elements, coupling diameter 50 mm. hinged joints in 2 points.
four guy ropes, rope diameter 70 mm.
double-groove cast sheaves with heat-treated working surface.
pneumatic normally-closed shoe brake.
WWW.URALMASH.RU
MECHANISMOF FRAME
Rest area
Bottom cabin
3
StickDesignGear rack
– –
double spaced heat-treated box beams.forged rack with open gearing.
Dipper door winchConstructionMotor power
– –
gearless winch.motor power.
Hoist winchDriveGearboxDrums Couplings
Brakes
– – –
–
–
two electric motorstwo-stage gearbox with spur gears. cantilever double-groove drums with heat-treated
grooves spline-mounted on the shaft. the couplings are combined with brake pulleys, coup-
lings with flexible elements, coupling diameter 50mm. pneumatic normally-closed shoe brakes.
Revolving frameDesign Boom support Connection of frame partsCounterweight box
–
–
–
–
heavy-duty heat treated three-piece torsion-resistant box frame.
force transmission through parallel longitudinal beams.
heavy-duty fasteners М24.
box-type housing filled with up to 85 t of 45-60 mm diameter balls.
Swing gearDriveDrive gearboxBrakes Swing circle
Swing speed
– – – –
–
vertical flanged electric motors.4 two-stage planetary gearboxes.pneumatic normally-closed shoe brakes. with external gear ring and roller circle
with 40 taper rollers.0 – 3 rpm.
Operator's cabinDesignTop cabin
Operator's seat
Control joysticksWindows
VentilationClimate controlAudio communicationInformation system
Video monitoring system
– –
–
– –
– – –
–
–
two level bracket-mounted cabin.with resilient suspension, working
and rest areas, and panoramic windshield.
anatomical weight-adjustable seat with vibration-isolating mount.
installed in operator's seat consoles.shatterproof glass, windscreen
wiper, and a sunscreen.superpressure system.automaticbuilt-in.
excavator units monitoring system that can store/display warning messages and excavator performance data on a screen.
five cameras provide the operator with a view on: dipper working area, entry ladder, inside the housing, cable drum, left side of the excavator.
SHOVEL EKG-20
–
–
table, documentation racks, microwave oven, and refrigerator.
cabinet with operating documentation, work bench and racks for small tools and spare parts.
CARRIAGE
LUBRICATIONSYSTEM
4
TECHNICAL PARAMETERS
CarriageDesign Propel driveGearboxes
BrakeTrackSupport rollersIdlersCarrier rollersDrive rollersTakeup devicesMovement speed
–
––
–––
––––
–
and side box frames.
one electric motor for each track. two-stage onboard gearbox and two-stage attached
gearbox with spur gearing. pneumatic normally-closed shoe brake. maintenance-free design, 48 1800mm-wide links. 6 on each frame.
1 on each frame 4 on each frame elevated roller with replaceable cams built-in hydraulic cylinders
0-1,1 km/h.
three-modular carriage with heat-treated central part
Cable drumDesign
CapacityQuantity of layersCable diameter
–
–––
attached with automatic reeving.
min. 350 m of cable 2 54-59 mm
Centralized lubrication system of EKG-20Type
Lubrication pumps
Lubricantcontainers
Tank of the carriagelubrication pump
–
––––
–
Automatic centralized lubrication system for bearings of the revolving frame units, frontal equipment, and carriage, and for open gearings and rolling surfaces of the frontal equipment and slewing mechanisms.
Barrel pump for lubricating rolling bearings Barrel pump for lubricating open gearings Pump for lubricating the carriage Standard 200l barrels with lubricant for rolling
bearings and open gearings. Empty barrels shall be replaced with full ones.
5 l tank of the carriage lubrication pump shall be filled with a lubricant gun through a filling nipple.
Pneumatic systemConfiguration
Air receiver capacityDrierCapacityPressureControl
–
–––––
screw compressor unit in noise-abating enclosure.
3 1,08 м , diaphragm type.
3 1,15 m /min 0,92 MPa electropneumatic valves.
Mechanical equipment protection system.Main drive control algorithms include the set of interlocks, providing:
––––––––
dipper lift limitation stick movement limitation bucket protection from dipper throw boom protection from impacts boom overhoist protection limitation of side loads when digging and handling oversized materials excavator tilt angle limitation hoist rope unwinding length limitation
Auxiliary equipment HoistAuxiliary winch
––
lifting capacity 500 kg. lifting capacity 2500 kg.
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OPERATING PARAMETERS
MASSES AND OVERALL DIMENSIONS750
0,245(2,5)
12,74
10
0,85
12,3
85
17,67
16
3,36
8,32
20
40
75
16,4
14,9
10,7
12
16-24
170
27
22,2
19,6
5
5
3Main dipper capacity, m3Dipper capacity range, m
Dipper payload, t
Dipper sheave force, t
Crowd force, max, t
Time of working cycle, s
Digging height, max, m
Digging radius, max, m
Clean-up radius, m
Dumping radius, max, m
Dumping height, max, m
[ C ]
[ C ]
[ C ]
[ C ]
[ C ]
[ C ]
[ C ]
[ C ]
[ C ]
[ D ]
[ Е ]
[ В ]
[ А ]
Working tilt angle, degrees
Gradeability, degrees
Working mass, t
Mass of ballast, t2Ground bearing pressure, MPa (kg/cm )
Height of boom point sheaves, m
Height of A-frame, m
Max. clearance radius over boom point sheaves, m
Max. clearance radius over revolving frame, m
Clearance under frame, m
Ground clearance, m
Operator's eye level, m
Overall width, m
[ G ]
[ G ]
[ G ]
[ G ]
[ K ]
[ H ]
[ I ]
[ J ]
[ M ]
[ N ]
[ L ]
SHOVEL EKG-20A
K
J
N
C
G
I H
B
E
D
M
L
SWING GEAR & BEARING ASSEMBLY Design
Swing gear diameter, mm
number of teeth / module
with conical rollers
160/32
5171
6
FRONT-END EQUIPMENT Crowd mechanism type
Stick make
Boom make
Boom sheave diameter, mm
rack
single beam
double beam
2280
ELECTRIC EQUIPMENT Electric drive type
Voltage, kV
Frequency, Hz
Main transformer power, kVA
6
1600
50
frequency converterand induction motor
GEARBOXES
Two-stage in-line
Two-stage in-line
Two-stage planetary
Qty, pcDesignGearbox
Propel
Crowd
Hoist
Swing
2
1
1
4
REVOLVING FRAME Length, m
Width, m
13,4
9,2
PROPEL MECHANISM Design
Overall length, m
Overall width, m
Track gauge, m
Track width, m
number of links
pitch of links, mm
Speed, km/h
11,2
7,29
48
1,1
9,31
1,8
500
two-crawler mounting withlarge diameter rollers
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ROPES AND GUY STRANDS
Hoist
Boom suspension
Dipper door opening
Auxiliary winch
GOST
GOST
Guy strand
GOST
Diameter, mmQty, pcTypeStructure
2
4
1
1
Length, m
57
15,5
70
13,5
91
15
22
250
Parameters of motorsin main drives of EKG-20
Hoist motor
Crowd motor
Swing motor
Propel motor
Dipper door opening motor
Cable reel motor
АДРЭ-С 600-8 УХЛ2
АДРВЭ-С 150-8 УХЛ2
Д 32 УХЛ1
АДРЭ-С 325-8 УХЛ1
АДРЭ 200-8 УХЛ1
Д 12 УХЛ2
Rotationalspeed, rpmPower, kWMotor typeDescription
600
325
150
200
12
2,5
Qty, pcs
560/840
750
780
500
500/1000
1180
2
1
4
2
1
1
7
SHOVEL EKG-20
WEIGHT AND DIMENSIONSOF MAIN ASSEMBLY UNITS
3DIPPER 20 m
Height – 5780
Width 4325
Length 3390
, mm
, mm –
, mm –
Weight, t – 35
STICK
Height – 1460
Width 3485
Length 11710
, mm
, mm –
, mm –
Weight, t – 24.7
BOOM
Width, mm – 1370
, mm –
, mm –
Weight, t – 65
Width with attachments 5680
Length 17000
RACK
Height – 8600
Width 3900
Length 6500
, mm
, mm –
, mm –
Weight, t – 14.6
TRACK MOVE
Height – 2300
Width 7510
Length 10920
, mm
, mm –
, mm –
Weight (assembled track frame), t– 72
TRACK
Track Height – 407
Track Width 710
Track Length 1800
, mm
, mm –
, mm –
Track weight, t – 0.78
Track chain weight, t – 40.34
8
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GEARBOX
Height – 2190
Width 1750
Length 1255
, mm
, mm –
, mm –
Weight, t – 4.99
EXCAVATOR CABIN
Width, mm – 1900
, mm –
, mm –
Weight, t – 5.3
Height 5005
Length 5300
CABLE DRUM
Height – 1920
Width 4540
, mm
, mm –
Weight, t – 4.9
DRUM WINCH WITH ROPE
Diameter – 1350
Width 770
Diameter of Rope 57
, mm
, mm –
, mm –
Weight (without rope), t – 2.38
CROWN GEAR
Outside diameter – 5171,2
Height 360
, mm
, mm –
Weight, t – 10.9
LOWER FRAME
Height, mm – 2054
Width 4576
Length 4380
, mm–
, mm –
Weight, t – 28.6
9
SHOVEL EKG-20
200
125 320
117
SUSPECTOR HOUSING
Height – 3421, mm
Weight, t – 0.66
CRANE BEAM
Length, mm – 6361
, mm –
Weight, t – 0.41
Height 1128
CIRCLE ROLLER
Height – 240
4200
, mm
Diameter, mm –
Weight, t – 9.4
SWINGING MECHANISM
Height – 4210, mm
Weight, t – 22.125
VENTILATION UNIT
Height – 2372
Width 7925
, mm
, mm –
Weight, t – 3.023
10
WEIGHT AND DIMENSIONSOF MAIN ASSEMBLY UNITS
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MIDDLE SECTIONOF THE TURNTABLE
Width, mm – 4500
Height, mm –
, mm –
Weight, t – 18.2
1270
Length 4780
COMPRESSOR STATION
Height – 1996
Width 790
, mm
, mm –
Length, mm – 1700
Weight, t – 1.076
CENTRAL PIVOT
Diameter, mm
, mm –
Weight, t – 4.81
– 580
Height 2733
THE FRONT SECTIONOF THE TURNTABLE
Height – 1980
Width 4500
Length 7200
, mm
, mm –
, mm –
Weight, t – 39
GEAR WINCH
Height – 2740
Width 2400
Length 4249
, mm
, mm –
, mm –
Weight, t – 37.7
COUNTERWEIGHT HOUSING
Height – 4315
Width 9200
, mm
, mm –
Weight, t – 17.7
11
SHOVEL EKG-20
4
16
8
12
0
ДМ8008-ВУф
kgf/cm
1.5
2
Uralmashplant is one of the leading Russian machine-building plants. For more than 80 years Uralmashplant has been a key provider of basic machinery for mining, chemical, metallurgical, construction, oil-and-gas, and power engineering industries, since fundamental national industries have originated here, at the Ural heavy machine-building plant.
The trademark "UZTM" is well-known all over the world. The plant supplies its products to CIS countries, Western and Eastern Europe, Middle East, South and Southeastern Asia, Africa, North and Latin America. Uralmashplant has its own highly efficient design center. The plant comprises welding, machining and assembly, heat-treatment, and toolmaking facilities.
Uralmashplant offers complex solutions from technology development and engineering to supply, installation, and maintenance services. Uralmashplant offers to its customers highly-effective, reliable, low maintenance, energy-saving, and highly automated equipment designed with a glance to actual ecological requirements.
CONTACTS
620012, Pervoi Pyatiletki Sq., Ekaterinburg, RussiaE-mail: Fax: Information Service: Sales DirectionProcurement and Logistics DirectionPress CenterMuseum of Uralmash History
[email protected]+7 (343) 336-60-40
+7 (343) 336-69-79 +7 (343) 327-59-31+7 (343) 336-69-01+7 (343) 336-60-54+7 (343) 327-10-63
ABOUT US
Mining equipment:– – – – –
crawler-type excavators,walking and crawler-mounted draglines,jaw and cone crushers for all reduction stages,ball and rod mills, autogenous and semi-autogenous mills,crushing and screening plants for producing cubiform particles.
MAIN PRODUCTS
Metallurgical equipment: Lifting and handling equipment:– – – – – –
sintering equipment, heavy metallurgical cranes,indurating equipment, lifting equipment for nuclear power plants,rolling mill rolls general-purpose special and EOT cranes.