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Mine trolley locomotives with electric drive

Mine trolley locomotives with electric drive – detail

Mine trolley locomotives are designed for the horizontal rail track haulage in mines, for moist and dusty enviroment without explosion hazard of coal dust and natural gas.

Locomotives are driven by two asynchronous electric motors with independent cooling and with speed regulation by frequency converter that guarantees both steady drive and braking. Braking is organised by two independent braking systems for both axles, electrodynamic brake – by electro motors and mechanical double circuit brake, directly on running wheel. The locomotive has one lockable cabin with view and steering in both directions.

 

 

Type ET-08 ET-11 ET-14 ET-17 ET-20 ET-23 ET-33
Maximum pull (kN)
(adhesia coef. 0,25)
20 27,5 35 42,5 50 57,5 82,5
Electromotors three phase asynchronous
Power (kW) 2×30 2×45 2×60 2×60 2×75 2×75 4×75
Speed control speed changer
Weight (t) 8 11 14 17 20 23 33
Gauge (mm) 600 – 1200 600 – 1200 750 – 1200 750 – 1200 750 – 1200 750 – 1200 750 – 1435
Minimum curve radius (m) 10 13 15 18 20 20 25
Number of axles / propelled 2 / 2 2 / 2 2 / 2 2 / 2 2 / 2 2 / 2 4 / 4
Max. speed (km/h) 18 18 18 18 20 20 30
Height of cabin (mm) 1600 – 1800 1600 – 1800 1650 – 1800 1650 – 1800 1700 – 1800 1700 – 1800 1700 – 2000
Height of machinery (mm) 1200 1200 1250 1300 1410 1410 1500
Width (mm) 1000 – 1300 1100 – 1300 1350 – 1800 1350 – 1800 1350 – 1800 1350 – 1800 1500 – 1850
Length total (mm) 4700 – 5300 5000 – 5500 5000 – 5500 5000 – 5500 5000 – 5500 5000 – 5500 7000 – 7700
Headroom over rail (mm) 80 100 120 120 120 120 120
Overhead contact circuit height (mm) 2200 ±200 2200 ±200 2200 ±200 2200 ±200 2200 ±200 2200 ±200 2300 ±200
Trolley voltage (V) 250 ±25 250 ±25 250 ±25 250 ±25 250 ±25 250 ±25 275 ±25
Auxiliary accumulator (V/Ah) 24 / 150 24 / 150 24 / 150 24 / 150 24 / 150 24 / 150 24 / 150
write: 04.06.2018 | update: 03.08.2018 | number of times: 452

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BJS Slovakia s.r.o.
Address: Sokolská 12, 960 01   Zvolen

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