Introduction Of EBZ55 Tunnel Boring Machine
To fulfill medium and small coal mine requirement, EBZ55 Tunnel Boring Machine is designed with small outer size, moderate weight, and low ground specific pressure, easy to be transported and disassemble & assemble in underground coal mines.
Features of EBZ55 Tunnel Boring Machine
Its cutting reducer seals well, automatic lubrication ,small size and all life non-maintenance.
The electric system runs safety and reliably with complete protection functions against short circuit, over loading and phase failure;
Economic control handles make comfortable operation.
Easy to operate.
Operator can handle and daily maintain after short term training.
Parameters of EBZ55 Tunnel Boring Machine
|
Items
|
EBZ55
|
EBZ75
|
|
Main
|
|
|
(Telescopic Boom)
|
|
Parameters
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|
|
|
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Dimension (m)
|
7.4×2.0×1.5
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7.4×2.0×1.5
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|
Max. Locating Cutting Height/Width (m)
|
3.5/4.2
|
4.2/4.7
|
|
Undirectional Compressive Strength of Rock (Mpa)
|
≤50
|
≤50
|
|
Dinting Depth (mm)
|
200
|
200
|
|
Ground Clearance (mm)
|
180
|
180
|
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Applied Tunnel Gradient (°)
|
±18
|
±18
|
|
Ground Specific Pressure (Mpa)
|
0.12
|
0.12
|
|
Total Weight (t)
|
20
|
20
|
|
Total Rated Power (kW)
|
156 (Including The Secondary Conveyor)
|
156 (Including The Secondary Conveyor)
|
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Power Voltage (V)
|
1140/660
|
1140/660
|
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Cutting Power (kW)
|
55
|
75
|
|
Cutting
|
|
|
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Part
|
|
|
|
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Rotate Speed of Cutting Head (r/min)
|
46
|
46
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Average Single-Blade Force (N)
|
3900
|
3900
|
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Travelling Mode
|
Crawler Track
|
Crawler Track
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Travelling System
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|
|
|
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Travelling Speed (m/min)
|
0~8.5
|
0~8.5
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|
Brake Mode
|
Mechanical Friction Plate of Braking
|
Mechanical Friction Plate of Braking
|
|
Rated Pressure (MPa)
|
16
|
16
|
|
Hydraulic
|
|
|
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System
|
|
|
|
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Pump Station Power (kW)
|
30
|
30
|
|
Effective Tank Capacity (L)
|
250
|
250
|
|
Loading Mode
|
Independent Star Wheel
|
Independent Star Wheel
|
|
Loading and Conveying System
|
|
|
|
|
Conveying Mode
|
Twin Ourboard Chain Scraper
|
Twin Ourboard Chain Scraper
|
|
Shovel Width (m)
|
2
|
2
|
|
Star Wheel Rotate Speed (r/min)
|
25
|
25
|
|
Conveying Speed (r/min)
|
42
|
60
|
|
Conveying Capacity (m3/h)
|
150
|
150
|
|
Dust Suppression
|
Inner and outer spray system
|
Inner and outer spray system
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|
Water
|
|
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System
|
|
|
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Water Pressure (Mpa)
|
3~8
|
3~8
|
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Capacity (L/min)
|
≥50
|
≥50
|
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Max. Non-removable Part
|
Max.Dimension (m)
|
2.85×0.76×1.1
|
2.85×0.76×1.1
|
|
Max. Weight (t)
|
2.02
|
2
|
Photos of EBZ55 Tunnel Boring Machine
