7495 Electric Rope Shovel

7495 Electric Rope Shovel

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Electric rope shovels have been successfully removing overburden and ore on mine sites around the world for more than a century. Driven by a vision to make these highly productive machines safer, more reliable and even more productive, we challenged the status quo and built an electric rope shovel that’s better.

Dimensions

Dipper payload
120 tons
Dipper capacity
30.6-62.7 m3 (40-82 yd3)
Length of boom
67.0 ft
Overall length of dipper handle
47.0 ft
Dipper payload (Available dipper payloads up to 109 tonnes [120 tons] when specified)
120 tons
Note
Dependent on application and material density

Weights

Net weight, domestic, without ballast or dipper
2173820.0 lb
Working weight, with dipper and standard links
3056000 lb
Ballast (furnished by customer)
667150 lb
Note
These weights will vary slightly depending upon dipper and optional equipment selection
Note
All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) treads

Main Structures

Crawler Mounting – Total effective bearing area (259.1 cm treads)
46.6 m2 (288 kPa); 501.7 ft2 (41.8 psi)
Hoist
A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.
Planetary Propel
Dual-motor independent drive
Revolving Frame (Center Section) – Welded, impact-resistant steel: Length
27.49 ft
Revolving Frame (Center Section) – Welded, impact-resistant steel: Width
12.07 ft
Swing
Two planetary gearboxes, each driven by a vertically mounted motor, are mounted on either side of the revolving frame.
Swing (cont'd)
Dual-output pinion shafts from each gearbox engage the swing rack.
Turntable – Forged rim, alloy steel swing rack pitch diameter
17.26 ft
Turntable – Number of tapered rollers
50
Turntable – Tapered rollers diameter
10.75 in
Turntable – Tapered, forged alloy steel roller rails diameter
14.83 ft
Turntable – Teeth external cut (face)
9.5 in
Upper works overall width (including standard walkways)
41.9 ft
Crawler Dimensions – Overall width 200.7 cm (79 in) treads, standard
36 ft
Crawler Dimensions – Overall width 259.1 cm (102 in) treads
38 ft
Ground Bearing Pressure – Total effective bearing area (200.7 cm treads)
36 m2 (380 kPa); 386 ft2 (55 psi)
Ground Bearing Pressure – Total effective bearing area (259.1 cm treads)
47 m2 (297 kPa); 501 ft2 (43 psi)
Ground Bearing Pressure – Note
Ground bearing pressure is dependent upon many factors
Planetary Propel
Dual-motor independent drive
Swing
Two planetary gearboxes, each driven by a vertically mounted motor, are located on either side of the revolving frame. Dual-output pinion shafts from each gearbox engage the swing rack.
Hoist
A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.

Lube System

Components
Six pumps (four for open gear lubricant and two for grease) located in an insulated, heated, double-walled lube room
Type
Automatic, single-line system for open gear lubricant and grease
Components
External FastFil from lower level

Electrical

Distribution System Requirements – Machine on separate system
4000 kVA
Lights
HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, and utility room.
Lights
Incandescent lights for ground lights and on walkways.
Main Electrical Systems – Transformer, auxiliary
350 kVA, 7200V primary
Trail cable (supplied by customer)
SHD-3-#1/0 at 8000V
Transformer, auxiliary
350 kVA, 7200V primary
Drive
IGBT Acutrol drive system
Power Requirements – Voltage
3 phase, 50/60 Hz, 7,200V
Power Requirements – 50 Hz
6,000V, 6,600V, 7,200V, 11,000V
Power Requirements – 60 Hz
7,200V, 13,800V
Power Requirements – Average power demand
934-1308 kW
Power Requirements – Peak power
3737 kW
Power Requirements – Note
Other voltage options available to suit customer requirements
System voltage (nominal)
50/60 Hz, 7,200V

Front End

Boom – Boom
welded, impact-resistant steel
Boom – Boom point sheave diameters
96.0 in
Boom – Boom point sheaves
twin-grooved, flame-hardened
Boom – Handle diameter
34.0 in
Boom – Wall thickness (nominal)
3.0 in
Rope Data – Dipper trip – Type
single
Rope Data – Hoist – Construction
8 x 37
Rope Data – Hoist – Diameter
2.75 in
Rope Data – Hoist – No.
2
Rope Data – Hoist – Type
twin dual
Rope Data – Retract – Construction
8 × 37
Rope Data – Retract – Diameter
2.5 in
Rope Data – Retract – No.
1
Rope Data – Retract – Type
single dual
Type
One piece, forged, seamless tubular dipper handle and wide-spread boom point sheaves equipped with hoist ropes and dipper padlocks to stabilize dipper handle.
Rope Data: Hoist – No.
2
Rope Data: Crowd – No.
1
Rope Data: Retract – No.
1
Rope Data: Boom suspension – No.
4
Rope Data: Dipper trip – No.
1
Rope Data: Hoist – Diameter
2.75 in
Rope Data: Crowd – Diameter
2.5 in
Rope Data: Retract – Diameter
2.5 in
Rope Data: Boom suspension – Diameter
3.25 in
Rope Data: Dipper trip – Diameter
0.75 in
Rope Data: Note
High impact ropes available as an option
Crowd
Rope Crowd with the crowd machinery is located at the front center of the revolving frame, consisting of motor, brake, drum and gearing. Plastic-impregnated crowd and retract ropes are used to move the dipper handle fore and aft.
Crowd
(Optional) HydraCrowd, hydraulic power skid, located at the front center of the revolving frame deck, powers a large hydraulic cylinder to move the dipper handle fore and aft.

Dimensions/Working Ranges

Maximum dumping radius
71.0 ft
Dipper capacities
30.6-62.7 m3 (40-82 yd3)
Dipper payload
120 tons
Maximum dumping height
28.9 ft
Operating weight
3056000 lb

Dimensions – Optimal Working Ranges

Maximum clearance radius (revolving frame)
30.64 ft
Maximum cutting height
58.4 ft
Maximum cutting radius
82.68 ft
Maximum dumping radius
71.0 ft
Operator’s eye level
34.81 ft
Overall width
43.0 ft
Radius of level floor
57.32 ft

Dimensions (Approximate) – Optimal Working Ranges*

Dumping height – with clearance to open dipper door
28.9 ft
Cutting height (maximum)
53.5 ft
Cutting radius (maximum)
80.0 ft
Radius of level floor
56.1 ft
Revolving frame tail swing radius
30.5 ft
Note
Optimal working ranges based on loading a Cat 797F truck.
Note
*All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) treads.