This news article was originally written in Spanish. It has been automatically translated for your convenience. Reasonable efforts have been made to provide an accurate translation, however, no automated translation is perfect nor is it intended to replace a human translator. The original article in Spanish can be viewed at ‘All in One’, el nuevo sistema de dirección “dócil e inteligente” para remolques de A.D.R.

‘All in One', the new system of docile “and intelligent steering” for trailers of To.D.R.

To.D.R.22/10/2012

The range consolidated of axles of steering To.D.R. it puts already to disposal of the users axles of autodirección and axles of steering forced by tow agricultural. However the experience of the agriculturalists, that has been always a reference for the technicians of To.D.R. In the design of new products, has given some valuable suggestions, that in little time have transformed in an inventive system of steering.

Often the one who has to realise manoeuvres in spaces reduced is adherent of the steering forced installed in the tow, but when it has to face big fast routes in the roads feels conditioned in the driving because the tow, much more weighed that the tractor, imposes his paths to the automotora anticipating the manoeuvre of the driver that warns interferences in the driving, with reactions often unpredictable to the steering wheel of the tractor.

In these situations, to the driver would like him have an autodirección to feel the owner of the half, since the tow would adapt his path only after the tractor has begun already the curve. But it would have to resignar to realise his manoeuvres without the possibility to change the steering of the wheels of the tow, because the geometry of the axis of autodirección forces him to block the steering in the manoeuvres under way backwards, that is to say, precisely when more it needs it. Manoeuvres with the steering blocked means big obstinacy of the engine with a high consumption of fuel and wear of the tyres, that drag all the time.

The solution of To.D.R.

The first fundamental phase of each project To.D.R., that is to say, listen the suggestions of the users, has allowed to realise an axis of autodirección bisteeringal, that selects automatically the function of autodirección according to the steering of course and gives hygiene to the driver in the fast routes increasing the stability of the tow. There is not need of equipment devoted in the tractor, as it would need the axis of steering forced, therefore the user does not need to join up always the same tractor to the same tow.

Of the problems associated with the use of the steering forced, the bond to an alone automotora is alone the one who notices more. In reality other complications condition the system and to his user, that discovers them only with the use.

In the first place, the attachment of the tow to the tractor, operation that requires precision and skill, has to realise going down of the tractor and is difficult and complicated for an alone person. It does not be necessary to forget, but, that the device of control of the steering finds usually placed in the rudder of the tow and, in the case of tridem with double steering, conditions seriously the manoeuvrability of the tractor where the tyres can interfere with him in the enclosed curves and in manoeuvre.

Is even more complicated the situation for the vehicles with an alone steering because in this case the busy volume in the rudder is asymmetric, therefore the user is subject in the manoeuvres in a steering and is freer in the another, if it agrees of where finds the device.

The recently cream axis of the house To.D.R. It frees to the user of these problems: all the functions find in an only axis of steering, ‘All in One'. A compact construction characterised by actuators oleodinámicos that integrate also the bars of attachment, according to the technological election consolidated that has determined the success of the Dual generation Mode of the axles of steering ADR in the last years.

His versatilidad of use is due to an accionamiento electro-hydraulics. The operation of the system is the one of a simple electronic team that governs a device of control oleodinámico compact, monobloque, easy to install in the frame of the tow. It does not need any predisposition in the tractor, is sufficient the enchufe for the electrical current and the enchufe hydraulics that have in endowment all the automotoras. The device is very protected, smart to face the environingingmental conditions and of operation more severe.

A simple and effective operation

When the vehicle proceeds under way advance a sensor detects the steering of rotation of the wheel and the control electro-hydraulics enables the operation of autodirección for the course forward, in this way the vehicle proceeds with the wheels that range spontaneously in rectilinear and follow the path imposed by the tractor in the curves.

In case of investment of course the sensor detects the variation in the steering of rotation of the wheel and the control electro-hydraulics enables the operation of the autodirección for the course backwards, like this the vehicle can manoeuvre with ease. The driver operates with greater precision, the tractor moves with ease because the tyres of the tow do not drag by the terrain, last more and the consumption of fuel reduces .

The control electro-hydraulics of the axis ‘All in One' stabilises automatically the tow in these conditions. The sensors of the wheels, in addition to detecting the steering of course, measure also the speed of the vehicle and go into action the unit of electronic control to freeze the axis of steering in position of rectilinear course when it surpasses a speed predefinida.

In critical conditions of route, as it can be a particularly pronounced slope or the course by a no uniform terrain and with hold precarious, the blockade of the steering can be activated manually, directly from the cabin of driving of the tractor, with a signpost of simple and intuitive control.