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ZL20-7/750 Electric Locomotive

What is ZL20-7/750 Electric Locomotive? ZL20-7/750 Electric Locomotive is a kind of trolley locomotives which are designed for horizontal rail transport especially in mines and enclosed spaces, to th

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What is ZL20-7/750 Electric Locomotive?

ZL20-7/750 Electric Locomotive is a kind of trolley locomotives which are designed for horizontal rail transport especially in mines and enclosed spaces, to the non-hazardous areas without explosion risks. They are certified according to European safety standards and meet their requirements. Transmission of torque moment from the electric motors is through the axle gearbox to travel wheels. The chassis is of dual-axle type and travel wheels are secured with interchangeable rims. Suspension of locomotives is provided by elastic rubber-metal blocks of sagittal shape. The electric motors are maintenance-free, three-phase, asynchronous, with external cooling, and with power from 30kW to 2x75 kW. Speed and engine torque is controlled by the frequency converter. Trolleys and axle bus-bars/pantographs are fitted with carbon or aluminum strips. Engine and brake control is proportional by means of one lever in its entire range of travel speed.

Locomotive braking is performed by two independent systems on both axles: electrodynamic – it means by electric motors through mechanical gears and mechanical – it means by mechanical dual circuit brake and by mechanical action through direct linkage to travel wheels. Brake control is proportional and maximum brake force/stopping power is self-adjustable. Parking brake is automatic. The security system provides automatic stop of the locomotive engine in a case of failure mode and when exceeding the temperature and pressure limit values. The driver is informed about all conditions on the dashboard, and such information is saved into control system memory.


Features of ZL20-7/750 Electric Locomotive


Great tractive effort

Heavy duty loading capacity

Smoothly climbing and moving

Safe braking control system

Reliable and easy operation

Simple maintenance

25-30% energy saving compared to DC driving type

Less emission, Eco-Friendly


Main Parameter of ZL20-7/750 Electric Locomotive

Model Number:

ZL20-7/750

Tar Adhesive Weight

20t

Rated voltage Rated Voltage

750V

Hourly output motor x number Power

110x2kW

Maximum speed Max. Speed

35.7km/h

Hour clock speed Rated Speed

18.6km/h

Maximum tractive force Max. Traction

49kN

Hourly variation Rated Traction

39.2kN

Wheelbase Wheelbase

3000mm

By the minimum curve radius Min. Turning Radius

30m

Rolling diameter of Wheel Diameter

840mm

Gauge Track Gauge

762mm

Overall dimensions LxWxH

7500x2300x3690mm

Speed control mode Control Mode

Speed resistance Resistance

Braking Brake Mode

Resistance, mechanical Resistance, air brake, Mechanical and Pneumatic Brake

Figure Images of ZL20-7/750 Electric Locomotive

ZL20-7/750 Electric LocomotiveZL20-7/750 Electric LocomotiveZL20-7/750 Electric Locomotive

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