SRS Product Folder-eng

Road-Rail vehicles

One road –rail vehicle from the 2010:s2010 LRB17 With snow clearance equipment.1992 VRB 17 Second generation platform vehicle for overheadline maintenance to Holland22010 LRB, VRB, FRB - Development of high ambienttemperature Road Rail Vehicles adapted for Saud Arabia1990 BRB Bridge inspection vehicles delivered to CanadianNational Rail Road2011 FRB 25 Road Rail Maintenance Vehicle with snowclearance equipment.2010 KRT 65 New Road Rail Recue Crane with 150 ton liftingcapacity1989 VRB 17 new platform vehicle for overhead linemaintenance in Holland1994 Development of first 25 ton Road Rail Vehicle from SRS.2010 FRB 32 First SRS Road Rail Vehicle in 32 ton range withnew type Palfinger crane2009 LRB 25 First Cantenary maintenance and service vehiclein 25 tom range with SRS Lift.2007 SRB Road Rail Vehicle for Flush But Welding system fromSchlatter.2005 VRB Recovery vehicle for high speed line in Korea with100 km/h top speed.2004 KRT 36 Articulated Rail Road Trailer with 72 tm hydraulicCrane.2003 LRB With battery power for working in tunnels.2002 RB 25 Modular base vehicle with container lock systemsfor carrying various modules.2000 RB 7 – 10 Hydrostatically driven Road Rail Vehicles in 7 to10 ton range delivered to NL and GB1987 FRB First multipurpose vehicle with hydraulic crane for SJin Sweden.1986 LRB First SRS Road Rail Vehicle delivered to UK1986 Since then we have delivered more than 500 vehiclesworld wide.1985 Bridge inspection vehicle, BRB 7-4, Sweden and USA.1984 Lift rail vehicle LRB 8-3 – first 3-arm lift, Holland.1983 First export outside Europe, Lift rail vehicle LRB toCanada.1982 Lift rail vehicle LRB 8-21 with front steering axle and fullyinsulated cage, Gothenburg’s Tram System, Sweden.1981 First exported lift rail vehicle, LRB, to the Danish StateRailway in Denmark.1978 Second generation lift rail vehicle LRB with front rail axleplaced in front of the front road axle.1999 KRT 33 New concept for Road Rail Recue crane on SRSRoad Rail Vehicle1997 BRB 25 with new 12-5 Bridge Inspection Booms- More than 500 road rail vehicles delivered world wideSRS Sjölanders History1976 First road-rail vehicle for overhead lines equipped withlift – “lift rail vehicle” – LRB with front rail axle placedbehind front road axle.One of the first road-rail vehicles from the 1940:s.Two-way vehicles can also be used for a longer periodof time at the actual work site than a pure track-boundThe investment costs for a two-way vehicle aregenerally considerably lower than for a vehicle that isentirely track-bound.The vehicle can be fitted with a variety of equipment –a modular system – which means that these can easilybe adapted for different types of work tasks with a highdegree of usability.A two-way vehicle can be driven on the road asclosely to the work site and track as is possible. Afterwhich, the vehicle can be driven up onto the track andcontinue to the work site, perform the work and thendrive back to the drive on/off point. This reduces thetransport time on the track considerably. The effectiveworking time is therefore increased.The continuous increase in rail traffic brings with it anincreased need for maintenance activities. On stretcheswith high traffic intensity and thus increased wear,maintenance must be performed more frequentlyand faster, to minimize disturbances to the ordinarytraffic. A general trend is that the available track-timefor maintenance work is decreasing. This has meantincreased costs when using conventional track-boundmachines and working methods. The demand forefficient and flexible machines and working methodshas therefore increased.3SRS Sjölanders has more than 30 years experienceof supplying two-way vehicles, both nationallyand internationally. Vehicles that are designed andmanufactured in accordance with the strict safetyregulations that apply to track-bound vehicles. The twoway concept in combination with newly developed toolsand working methods is the modern way of safely andefficiently performing the maintenance activities that21st century railways demand.The modern two-way technology increases inimportance, due to both technical and economicalfactors, through its greater flexibility, higher usabilityand reasonable investment and operational costs.The vehicle is highly mechanised and can be equippedwith an automated steering system, which reduces thenumber of operators and thus reduces operating costs.A two-way vehicle is normally built up on a standardtruck chassis. This provides great economic advantages,something that gives lower investment costs and goodavailability to service via authorised workshops withgood geographic coverage.vehicle, due to the transport distance to the work sitegenerally being shorter for the two-way vehicle. Inaddition, the two-way vehicle can be loaded at the depotand transport material by road, drive up onto the trackand continue to the work site without having to reload.Why road-rail vehicles?w w w. s r s - r o a d ra i l . c o m

Reliable, smooth and quick at crossings.Properly and quickly performed withlateral movement legs, without the needfor a level crossing. All this withouteffecting traffic on adjacent tracks.Design equivalent to a train on rails. Railtravelling equipment front and backprovides the vehicle with a stable workingplatform.Can be driven at 70-80 km/h bothforwards and backwards.LowReliable under all weather conditions. EUapproved integration with the vehicle’sbraking system.Behaves like a track-bound vehicle whencrossing points, level crossings and thirdrails.Solid safety statistics after more than 500vehicles have been delivered to a largenumber of countries. Safety is built-in atthe design stage. A stable work place.Driving On/OffDesignSpeedOperating costsBraking abilityRail trackingSafety4Steel against steelCharacteristicQuestionable braking ability due to weatherconditions.Reduced speed required to cross points, levelcrossings and other crossings to ensure a safepassage.Large variations between wet and dry rails.Considerably higher. Wear on the gearbox andtyres along with “derailing” result in higheroperating costs.In most countries, restricted to about 30 km/hforward speed on rails and technically evenlower speed backwards.Trucks rebuilt for driving on rails.Rubber tyres in their normal position provideless stability to the work platform.Slower transfer to rail at level crossings andunreliable without level crossings.Rubber tyresSteel against steel with hydrostatic drive versus rubber tyredriveThe design allows driving on and off without thevehicle encroaching on the free space for the adjacenttrack.Two-way vehicles can also be complemented with adevice for lateral movement, which subject to certainconditions allows driving on and off without using alevel crossing. With the SRS system it is also possible toquickly and easily drive on/off in a relatively tight curve.This means that every track disposition/working periodcan be used more efficiently, with shorter transporttimes to the work site, which gives increased effectiveworking time on the track.The design of the SRS rail travelling system provides forfast and safe driving on/off of rails. Which gives bothtime and cost savings. Compared with conventionalsystems, SRS rail travelling system requires less spaceduring the driving on/off procedure. The requirementfor transfer width is about half of the length of thevehicle.The design provides impressive performance on therails especially concerning safety, traction, rail tracking,braking ability, speed and comfort.SRS Sjölander’s patented two-way system is equippedwith hydrostatic drive, which means that there is nocontact between the chassis’ ordinary rubber tyres andthe railway rails. When the vehicle is track-bound, itrests entirely on the rail wheels.5The SRS system is normally supplied with un-insulatedrail wheels, in order to effect the signal system, but therail travelling unit can also be supplied with insulatedwheels. The SRS system allows remote control of thevehicle from e.g. a lift, a working platform or from acrane. This means that no driver is required in the cabduring this work, which saves money and time, and alsoeliminates the risk of misunderstanding between thedriver and the operator.Braking capacity and traction are in the same class asrail-bound vehicles, which increases safety. No wear onthe rubber tyres with the SRS two-way system, sincethey do not have contact with the rails. This gives aconsiderable saving in costs since the tyres do not needchanging so often due to the extreme wear caused byrail contact.This means: Minimal risk for derailment when crossing points, wingrails and level crossings. Technically, there are no special speed restrictionsrequirements in curves, points and level crossings. Rapid transport to and from the work site.SRS two-way vehicles are normally designed for a speedof 70 km/h on the track. In comparison with rubbertyre-driven systems, the SRS system functions with thehighest safety within its speed range, since the vehicletravels on rail wheels and therefore in principle, has thesame characteristics as a purely rail-bound vehicle onthe track.SRS road-rail vehicles – advantagesw w w. s r s - r o a d ra i l . c o m