ADTs and
RDTs
MAINTENANCE
The electric dumper truck, which was world’s largest Plus Energy vehicle (capable of (Lithium Storage GmbH), and inverter
designed and built over 18 months and has exporting electricity). Over the next 10 years, (Aradex AG) are all new designs based on
completed its first test runs, breaks no less the truck will transport more than 300 000 the latest generation of industrial products. In
than three world records: tonnes a year, saving 1 300 tonnes of CO 2 and September/October 2017, these components
• 1 000 000ℓ of diesel. were installed into the empty chassis of the
It is the largest and most powerful battery-
operated electric tyred vehicle ever.
•
•
When in operation, the eDumper produces
Komatsu HD 605-7. The hydraulic pumps
It is fitted with the largest-ever battery CO 2 -free electricity, as it conveys limestone for the multi-disk brakes, tipper drive, servo
manufactured for an electric vehicle. and marlstone from an extraction area situated support, and pre-loading of the auxiliary
It saves more CO 2 than any other higher than the processing plant below, with braking system are driven by another 200kW
individual vehicle before it. the gravitational potential energy converted electric motor from the Bernese Oberland
to electricity. Unlike a diesel-engined vehicle, (Brienzer Motoren AG).
The powerful diesel engine has been
The initial test runs were conducted in the eDumper never has to be refuelled; power Lommis in the canton of Thurgau, before generated using energy recovery braking on replaced by a dark grey electric motor capable
the roadworthy machine arrived in the the fully laden downhill run is used to charge of producing a continuous output of 700kW,
Rondchâtel industrial zones in Péry-La Heutte the batteries for the unladen return trip. If and the 700kWh storage battery, consisting
in November, to have a new structure, all the calculations are correct, the eMining of four blocks, is fitted into the engine space
comprising a steel/rubber tipper, fitted dumper will even be able to export power and the space normally occupied by the diesel
to the rear. The eDumper then travelled to the local grid in breaks between working. tank. The hydraulic pumps for the multi-disk
through a 2.2km tunnel into the La Tscharner Twenty journeys per shift should result in a brakes, tipper drive, servo support, and
extraction area, where it will be tested under daily surplus of 200kWh. preloading of the auxiliary braking system are
the harshest conditions and handed over
in spring 2018 to Ciments Vigier SA as the
The motor (Oswald Motoren GmbH),
transmission (Puls Getriebe GmbH), batteries
driven by another 200kW electric motor from
the Bernese Oberland. The diesel tank has
JANUARY 2018
33