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20 Tons Traction Electric Locomotive for Mine Tunnel Transportation

China 20 Tons Traction Electric Locomotive for Mine Tunnel Transportation, Find details about China Trolley Locomotive, Electric Locomotive from 20 Tons Traction Electric Locomotive for Mine Tunnel Transportation

Model NO.
CJY20/6, 7, 9G
Trademark
SHAOLI
Specification
20 Tons
Origin
Xiangtan, China
Model NO.
CJY20/6, 7, 9G
Trademark
SHAOLI
Specification
20 Tons
Origin
Xiangtan, China
20 Tons Traction Electric Locomotive for Mine Tunnel TransportationTechnical Specifications
Model NameCJY20/6,7,9G(B)CJY20/6,7,9GPZL20-7,9/750-3 Middle cab
Adhesive Weight20 tons
Track Gauge600, 762 or 900mm
Hourly System Traction39.23kN37.3kN40.6kN41.04kN39.2kN
Max. Traction49kN52kN52.9kN
Hourly System Speed15km/h14.4km/h10.5km/h12.5km/h18.6km/h
Voltage550V750V
Power of Electric Motor85kW*278kW*265kW*275kW*2110kW*2
Length7100 or 7400mm7500mm
Width1600 or 1750mm2300mm
Height1900mm3340mm
Wheelbase2200 or 2500mm3000mm
Wheel DiameterΦ840mm
Height of  Pantograph2000~3200mm4050~4500mm
Height of Traction320/430mm430mm
Min. Turning Radius12,25 or 30m30m
Speed Regulating ModeResistance or IGBT AC converterResistance or IGBT 
Braking ModeMechanical,Electric and Air Brake
Frame
Constructed in welded steel and suspended by leaf spring or rubber studs on grease bearing seats with tapered roller bearings.
Speed control
In order to achieve continuous and stepless speed regulation, they have an electronic speed controller with high reliability.
The AC converters convert the DC from trolley line into AC and the controller adjusts the speed of AC motors by the power frequency of the AC converter.
AC motor
Comparing with DC motors, the 3 phases AC motors have no carbon brushes and any other quick-wear parts.
Brakes
Pneumatic brake to the four wheels by brake shoes. Stop brake by manual mechanical brake.
Sanders
Pneumatic (or mechanical) sanding system to the rails.
Buffers and motor suspension
The locomotive has two buffers with spring shock absorbers to achieve complete shock absorption against collisions. Equally, the motor is suspended from the chassis by a spring brace.

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