ES2629088A1 - Trailer and platform with autopropulated electric shaft for heavy transportation in road (Machine-translation by Google Translate, not legally binding) - Google Patents

Trailer and platform with autopropulated electric shaft for heavy transportation in road (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2629088A1
ES2629088A1 ES201730371A ES201730371A ES2629088A1 ES 2629088 A1 ES2629088 A1 ES 2629088A1 ES 201730371 A ES201730371 A ES 201730371A ES 201730371 A ES201730371 A ES 201730371A ES 2629088 A1 ES2629088 A1 ES 2629088A1
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Spain
Prior art keywords
platform
trailer
electric
self
electric motors
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Granted
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ES201730371A
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Spanish (es)
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ES2629088B1 (en
Inventor
Rafael SERRANO PEREZ
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D59/00Trailers with driven ground wheels or the like
    • B62D59/04Trailers with driven ground wheels or the like driven from propulsion unit on trailer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/02Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

Trailer and platform (100) with self-propelled electric axle (1) for heavy transport, of the type that is related to a tractor unit (200); and wherein said platform (100) comprises at least one self-propelled electric shaft (1) with two electric motors (2, 2 ') where each of said electric motors (2, 2') is embedded in the self-propelled electric shaft (1) and configured to act individually on each of the wheels (101, 101 ') connected to the self-propelled electric axis (1) and where said electric motors (2, 2') are powered by at least one battery (4) placed in the floor of the platform (100), said battery (4) being electrically rechargeable by means of a plurality of photocells (7) arranged in the upper part of the trailer and platform (100). (Machine-translation by Google Translate, not legally binding)

Description

REMOLQUE Y PLATAFORMA CON EJE ELÉCTRICO AUTOPROPULSADO PARA TRANSPORTE PESADO EN CARRETERA TRAILER AND PLATFORM WITH SELF-PROPELLED ELECTRIC SHAFT FOR HEAVY ROAD TRANSPORTATION

La presente invención está referida a un remolque o plataforma del tipo que está vinculado a una unidad tractora para el transporte pesado en carretera y que tiene la particularidad de comprender, al menos, un eje autopropulsado mediante dos motores eléctricos, lo que permite, entre otras ventajas, un mejor The present invention relates to a trailer or platform of the type that is linked to a tractor unit for the heavy road transport and that has the peculiarity of comprise at least one self-propelled shaft by two motors electrical, which allows, among other advantages, a better

1 control del convoy, un menor consumo de combustible y, consecuentemente, una reducción de las emisiones contaminantes de la propia unidad tractora. 1 control of the convoy, lower fuel consumption and, consequently, a reduction in the pollutant emissions of the tractor unit itself.

Estado de la técnica State of the art

1 Un remolque o semirremolque es, por definición, un vehículo que carece de propulsión propia y que está diseñada para soportar una determinada carga, debiendo asociarse de forma obligada con una unidad tractora autopropulsada para tener movilidad. Esta unidad tractora es sobre la que recae la fuerza de tracción necesaria. También sobre la unidad tractora recae parte de la inercia y carga que soporta el remolque. 1 A trailer or semi-trailer is, by definition, a vehicle that lacks its own propulsion and is designed to withstand a certain load, and must be associated with a self-propelled tractor unit for mobility. This tractor unit is on which the necessary tensile force falls. Also on the tractor unit lies part of the inertia and load that the trailer supports.

Por otro lado, habitualmente, el remolque es intercambiable, es decir, cuenta con medios de sujeción que permite su vinculación física con distintas unidades tractoras y se conforman en base a un chasis con sus correspondientes ejes para las ruedas, generalmente un mínimo de dos y hasta cuatro y cinco ejes, que soportar una superficie de carga, sea del tipo plataforma, furgón o contenedor y que, dependiendo de su peso y dimensiones, incorpora frenos propios relacionados con los frenos de la unidad tractora a través de una central electrónica situada en la cabina. On the other hand, usually, the trailer is interchangeable, it is that is, it has fastening means that allows its bonding physics with different tractor units and conform based on a chassis with its corresponding axles for the wheels, generally a minimum of two and up to four and five axes, which support a loading surface, be it of the platform type, van or container and that, depending on its weight and dimensions, incorporates own brakes related to the brakes of the tractor unit through an electronic central located in the cabin.

En cualquier caso, los distintos tipos de remolques existentes In any case, the different types of existing trailers

en el mercado comparten una característica esencial ya mencionada, i.e. carecen de propulsión propia, con lo que siempre cuentan con una tara añadida para la unidad tractora que se suma al peso de la carga. La única innovación en ese aspecto son los denominados <<ejes portadores>> del tipo eje de giro libre y que trabaja en tándem, incorporando un mecanismo neumático que permite su elevación para disminuir su peso sobre las ruedas y el desgaste de las mismas o su descenso para soportar el peso de la carga según las necesidades de la in the market share an essential feature since mentioned, i.e. they lack their own propulsion, which they always have an added tare for the tractor unit that It adds to the weight of the load. The only innovation in that aspect they are called << carrier axes >> of the axis of rotation type free and working in tandem, incorporating a mechanism tire that allows its elevation to reduce its weight on the wheels and their wear or their descent to bear the weight of the load according to the needs of the

1 conducción. 1 driving

Para evitar estos inconvenientes, se conoce el documento WO2016116655 que describe un semirremolque o plataforma para transportes pesados y especiales que incluye, al menos, un eje To avoid these inconveniences, the document is known WO2016116655 describing a semi-trailer or platform for heavy and special transport that includes at least one axis

1 autopropulsado mediante motores eléctricos. Además, el documento EP2394889 está referido a un tráiler equipado con un sistema de tracción adicional que describe un elemento arrastrado que puede ser un remolque o semirremolque, el cual comprende en, al menos uno de los ejes, un par de motores eléctricos simétricos e independientes amarrados cada uno de ellos a una de las ruedas. De igual modo, los documentos US2005000739, US7338335, FR2854122 y WO2013076607 divulgan remolques que incluyen, al menos, un eje autopropulsado con un par de motores eléctricos independientes conectados a cada una de las ruedas que lo propulsan. 1 self-propelled by electric motors. In addition, EP2394889 refers to a trailer equipped with an additional traction system that describes a dragged element that can be a trailer or semi-trailer, which comprises at least one of the axles, a pair of symmetrical and independent electric motors each one tied to one of the wheels. Similarly, documents US2005000739, US7338335, FR2854122 and WO2013076607 disclose trailers that include at least one self-propelled axle with a pair of independent electric motors connected to each of the wheels that propel it.

No obstante, en los documentos citados no se describe ningún sistema con los motores dispuestos de forma contigua e independiente entre ellos, encastrados en el eje, por lo que es necesario un sistema que, facilitando la propulsión del remolque, cualquiera de las ruedas pueda ser empleada de forma independiente como rueda motriz. However, the documents cited do not describe any system with motors arranged contiguously and independent between them, embedded in the shaft, so it is a system that, facilitating the propulsion of the trailer, any of the wheels can be used in a way independent as a driving wheel.

Descripción de la invención Description of the invention

Es un objeto de la invención un remolque y plataforma con eje It is an object of the invention a trailer and axle platform

autopropulsado eléctrico para transporte pesado en carretera que, estando conectado con la central electrónica de la unidad tractora, comprende un par de motores eléctricos en, al menos, un eje de las ruedas del citado remolque y plataforma. Los motores están asociados uno a cada rueda y, convenientemente dimensionados, se encastran en el eje, pero no se alojan en su interior tunelizado. Es decir, el eje no puede estar tunelizado, porque pierde características mecánicas de resistencia y, además, esta solución complica sobre manera las conexiones de self-propelled electric for heavy road transport which, being connected to the electronic control unit of the unit tractor unit, comprises a pair of electric motors in at least an axle of the wheels of said trailer and platform. The engines are associated one to each wheel and, conveniently dimensioned, they are embedded in the shaft, but not housed in their tunneled interior. That is, the axis cannot be tunneled, because it loses mechanical resistance characteristics and, In addition, this solution complicates the connections of

1 los motores. 1 engines.

Los motores eléctricos son independientes entre sí, tanto físicamente como en funcionamiento. Por tanto, pueden funcionar de uno en uno, por separado (por ejemplo, con un motor eléctrico Electric motors are independent of each other, both physically as in operation. Therefore, they can work one by one, separately (for example, with an electric motor

1 encendido y el otro apagado) trabajando a la par de forma simultánea. El uso de dos motores responde a la necesidad de obtener más potencia sin cargar el eje con un peso excesivo. El resto de la estructura del eje se ajusta a una configuración convencional con los discos o platos situados en sus extremos y vinculados a los espárragos para el acople de la llanta y de las ruedas correspondientes. Cuando gira el eje de la fuerza de los motores eléctricos dispuestos conectados con él, el giro se transmite a los discos o platos y de éstos a las llantas y las ruedas. 1 on and the other off) working simultaneously. The use of two engines responds to the need to obtain more power without loading the axle with excessive weight. The rest of the axle structure conforms to a conventional configuration with the discs or plates located at its ends and linked to the studs for the coupling of the rim and the corresponding wheels. When the axis of force of the electric motors arranged connected to it rotates, the rotation is transmitted to the discs or plates and from these to the tires and wheels.

El par de motores eléctricos son de tipo convencional (por ejemplo, los descritos en WO9840235) instalados en, al menos, un eje del remolque o plataforma y que están alimentados por, al menos, una batería, preferentemente de litio o equivalente, dispuesta en el piso del remolque o plataforma y que, a su vez, se recarga por medio de celdas, placas solares o células convenientemente situadas en la parte superior o cubierta del remolque. Es importante tener en cuenta que, no todos los ejes del remolque o plataforma incorporan un par de motores eléctricos, debiendo quedar, al menos, un eje libre. The torque of electric motors are of the conventional type (for example, those described in WO9840235) installed in at least one trailer axle or platform and that are powered by, at less, a battery, preferably lithium or equivalent, arranged on the floor of the trailer or platform and which, in turn, recharges by means of cells, solar panels or cells conveniently located on the top or deck of the trailer. It is important to keep in mind that, not all axes of the trailer or platform incorporate a couple of engines electrical, at least one free shaft must remain.

Como ya ha sido indicado, los motores eléctricos actúan sobre sus ruedas respectivas de forma individualizada, de tal forma que desde la central electrónica de la cabeza o unidad tractora es posible actuar sobre uno u otro motor, o ambos a la vez (para cada uno de los ejes motrices que tenga el remolque) girando en este último caso de manera coordinada y lógicamente a la misma velocidad. As already indicated, electric motors act on their respective wheels individually, in such a way that from the electronic central of the head or tractor unit it is possible to act on one or the other engine, or both at the same time (for each of the drive axles that the trailer has) turning in this last case in a coordinated way and logically to it speed.

1 La posibilidad de activación independiente de cada una de las ruedas en el eje motriz del remolque o plataforma otorgan una gran versatilidad a la invención frente a los documentos conocidos en el estado de la técnica, puesto que en determinadas ocasiones puede ser necesario el empleo de un único motor en el 1 The possibility of independent activation of each of the wheels on the driving axle of the trailer or platform gives the invention great versatility compared to the documents known in the state of the art, since on certain occasions the use of a single engine in the

1 eje autopropulsado, por ejemplo, cuando hay poca carga o es necesario compensar la inercia del remolque en determinados giros, además de la preservación de la vida útil de los motores y baterías. 1 self-propelled axle, for example, when there is little load or it is necessary to compensate the inertia of the trailer in certain turns, in addition to preserving the life of the motors and batteries

A lo largo de la descripción y las reivindicaciones la palabra "comprende" y sus variantes no pretenden excluir otras características técnicas, aditivos, componentes o pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la descripción y en parte de la práctica de la invención. Los siguientes ejemplos y dibujos se proporcionan a modo de ilustración, y no se pretende que restrinjan la presente invención. Además, la presente invención cubre todas las posibles combinaciones de realizaciones particulares y preferidas aquí indicadas. Throughout the description and the claims the word "understand" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For experts in the field, other objects, advantages and features of the invention will be apparent in part from the description and in part of the practice of the invention. The following examples and drawings are provided by way of illustration, and are not intended to restrict this invention. In addition, the present invention covers all possible combinations of particular embodiments and preferred here indicated.

Breve descripción de las figuras Brief description of the figures

A continuación, se pasa a describir de manera muy breve una serie de dibujos que ayudan a comprender mejor la invención y Next, a brief description of a series of drawings that help to better understand the invention and

que se relacionan expresamente con una realización de dicha invención que se presenta como un ejemplo no limitativo de ésta. that expressly relate to an embodiment of said invention presented as a non-limiting example of this.

La FIG.1 muestra una vista esquemática de un convoy que incluye la plataforma (100) de acuerdo con la presente invención. FIG. 1 shows a schematic view of a convoy that includes platform (100) in accordance with this invention.

La FIG.2 muestra una vista esquemática en detalle de un eje eléctrico autopropulsado (1) de acuerdo con la presente FIG. 2 shows a schematic detail view of an axis. self-propelled electric (1) in accordance with this

1 invención. 1 invention

La FIG.3 muestra una segunda vista esquemática de un convoy que incluye la plataforma (100) de acuerdo con la presente invención. FIG. 3 shows a second schematic view of a convoy which includes the platform (100) in accordance with this invention.

Exposición de un modo detallado de realización de la invención Statement of a detailed embodiment of the invention

Tal y como se puede observar en las figuras adjuntas, el dispositivo de la invención es una plataforma (100) o chasis destinado a soportar el remolque propiamente dicho. En la presente memoria descriptiva, plataforma y remolque (100) son usados en conjunto o por separado indistintamente, estando referida esta característica al mismo elemento físico. As can be seen in the attached figures, the device of the invention is a platform (100) or chassis intended to support the trailer itself. In the Present specification, platform and trailer (100) are used together or separately interchangeably, being Referring this characteristic to the same physical element.

La plataforma (100) incorpora al menos un eje motriz (1) de configuración preferentemente tubular, en los que se ajustan unas ruedas (101,101’) del tipo convencionalmente utilizado en los remolques y plataformas (100) de transporte pesado en carretera. The platform (100) incorporates at least one drive shaft (1) of preferably tubular configuration, in which they fit wheels (101,101 ’) of the type conventionally used in the heavy transport trailers and platforms (100) in highway.

En una realización preferida, al menos uno de los ejes motrices (1,1’) comprende, encastrados en este eje motriz (1), dos motores eléctricos (2,2’) que actúan individualmente sobre las ruedas (101,101’), un motor eléctrico por cada rueda. Los motores eléctricos (2,2’) están conectados con sus respectivas In a preferred embodiment, at least one of the driving axles (1,1 ’) includes, embedded in this drive shaft (1), two electric motors (2,2 ’) that act individually on the wheels (101,101 ’), an electric motor for each wheel. The electric motors (2,2 ’) are connected to their respective

ruedas (101,101’) a través de dos porciones o partes del eje motriz (10,10’) a través de los discos o platos correspondientes y, en su caso, del cardan si se trata de ejes no colineales. wheels (101,101 ’) through two parts or parts of the axle motor (10,10 ’) through the corresponding discs or plates and, where appropriate, of the cardan if it is non-collinear axes.

Los motores eléctricos (2,2’) convierte unos ejes tradicionales Electric motors (2.2 ’) converts traditional axles

(1) en unos ejes autopropulsados que están conectados con una (1) on self-propelled shafts that are connected with a

central electrónica (3) situada en la unidad o cabeza tractora (200). Así pues, al menos un eje (1) de un remolque y plataforma electronic control unit (3) located in the unit or tractor unit (200). Thus, at least one axle (1) of a trailer and platform

(100) convencional se convierte en autopropulsado al incluir de (100) conventional becomes self-propelled by including

1 forma ventajosa un par de motores eléctricos (2,2’) encastrados sobre el propio eje (1) y debidamente fijados al mismo por unos medios de anclaje. 1 advantageously a pair of electric motors (2.2 ’) embedded in the shaft itself (1) and duly fixed thereto by anchoring means.

Estos motores eléctricos (2,2’) están dispuestos de forma These electric motors (2,2 ’) are arranged so

1 contigua, para ahorrar espacio en el eje motriz (1) y contribuir a su estabilidad por el reparto de cargas sobre el mismo eje motriz (1). No obstante, ambos motores eléctricos (2,2’) están encastrados de forma independiente sobre el eje motriz (1), sin relación mecánica entre ellos, de tal forma que cada uno de dichos motores eléctricos (2,2’) puede accionar de forma individualizada a su respectiva rueda (101,101’) a la que se encuentra asociada, según las directrices programadas en la central electrónica (3) de la unidad tractora (200). 1 contiguous, to save space on the drive shaft (1) and contribute to its stability by the distribution of loads on the same drive shaft (1). However, both electric motors (2.2 ') are embedded independently on the drive shaft (1), without mechanical relationship between them, so that each of said electric motors (2.2') can actuate individualized form to its respective wheel (101,101 ') to which it is associated, according to the guidelines programmed in the electronic control unit (3) of the tractor unit (200).

Los motores eléctricos (2,2’) transmiten su movimiento de giro a través del eje motriz (1) a un plato o disco (5,5’) que, a su vez, queda asociado mediante espárragos (6,6’) al conjunto formado por las llantas y las ruedas (101,101’). Además, los motores eléctricos (2,2’) están alimentados por, al menos, una batería (4), preferentemente de litio o similar y que queda dispuesta en el piso de la plataforma (100). Estas baterías, a su vez, se recargan por medio de unas placas solares (7) colocadas sobre el propio remolque. The electric motors (2,2 ’) transmit their turning movement to through the drive shaft (1) to a plate or disc (5.5 ’) which, at its once, it is associated by studs (6.6 ’) to the set formed by tires and wheels (101,101 ’). In addition, the electric motors (2,2 ’) are powered by at least one battery (4), preferably lithium or similar and that remains arranged on the floor of the platform (100). These batteries, to in turn, they are recharged by means of solar panels (7) placed on the trailer itself.

En base a lo anterior, cabe señalar que la incorporación de Based on the above, it should be noted that the incorporation of

motores eléctricos (2,2’) a los ejes de un remolque y plataforma electric motors (2,2 ’) to the axles of a trailer and platform

(100) para transporte pesado implica ventajas sustanciales en la conducción. Efectivamente, el empleo de la invención consigue un mayor control del convoy, puesto que permite elegir, ya sea de forma manual o previamente programado en la central electrónica (100) for heavy transport implies substantial advantages in the driving. Indeed, the use of the invention achieves a greater control of the convoy, since it allows you to choose from either manually or previously programmed in the electronic exchange

(3) de la unidad tractora (200) distintas variables en la conducción del mismo como, por ejemplo, la velocidad de giro de los motores eléctricos (2,2’), la activación de los mismos, el (3) of the tractor unit (200) different variables in the driving it, such as the turning speed of electric motors (2.2 ’), their activation, the

número de motores eléctricos (2,2’) y el eje motriz (1) que está 1 activo para soportar el peso e inercia de la carga. number of electric motors (2.2 ’) and the drive shaft (1) that is 1 active to support the weight and inertia of the load.

Del mismo modo, trabajar con motores eléctricos (2,2’) en los ejes (1) del remolque y plataforma (100) impone un ahorro significativo del combustible consumido por la unidad tractora Similarly, work with electric motors (2.2 ’) in the axles (1) of the trailer and platform (100) imposes savings Significant fuel consumed by the tractor unit

1 (200) y una disminución de emisiones contaminantes. Lógicamente, la conformación de los ejes motrices (1) es variable en base las necesidades y características de cada vehículo, de igual modo que ocurre con los ejes convencionales, en lo que varía su longitud o estructura, modelo y características de las llantas y ruedas (101,101’). 1 (200) and a decrease in pollutant emissions. Logically, the conformation of the driving axles (1) is variable based on the needs and characteristics of each vehicle, in the same way as with the conventional axles, in what varies its length or structure, model and characteristics of the tires and wheels (101,101 ').

Particularmente, la presente invención aumenta la fuerza de tracción del convoy y de agarre de las ruedas, con mayor seguridad en pendientes pronunciadas, tanto en subidas como en bajadas y situaciones inesperadas en la conducción como, por ejemplo, la disminución del efecto tijera en frenadas bruscas o desplazamientos de la carga soportada. El trabajo de los motores eléctricos (2,2’) es igualmente positivo al no requerir transmisiones y marchas al tiempo que, al ser autoventilados, no necesitan de ningún sistema adicional de refrigeración o de ventilación externa, lo que les hace idóneos para ser encastrados en el eje motriz (1). Particularly, the present invention increases the strength of convoy and wheel grip traction, with increased safety on steep slopes, both on climbs and on drops and unexpected driving situations such as For example, the reduction of the scissor effect in sudden braking or displacements of the supported load. The work of the engines Electrical (2,2 ’) is equally positive as it does not require transmissions and gears while being self-ventilated, not need any additional cooling system or external ventilation, which makes them suitable for being embedded in the drive shaft (1).

Claims (5)

REIVINDICACIONES 1. Un remolque y plataforma (100) con eje eléctrico autopropulsado (1) para transporte pesado, del tipo que está relacionado con una unidad tractora (200); y donde dicha plataforma (100) comprende al menos un eje eléctrico autopropulsado (1) con dos motores eléctricos (2,2’) caracterizado porque cada uno de dichos motores eléctricos (2,2’) está encastrado en el eje eléctrico autopropulsado 1. A trailer and platform (100) with electric axle self-propelled (1) for heavy transport, of the type that it is related to a tractor unit (200); and where said platform (100) comprises at least one electric axis self-propelled (1) with two electric motors (2.2 ’) characterized in that each of said electric motors (2,2 ’) is embedded in the self-propelled electric shaft
(1) y configurado para actuar individualmente sobre cada una de las ruedas (101,101’) conectadas con el eje eléctrico autopropulsado (1) y donde dichos motores eléctricos (2,2’) están alimentados por al menos una batería (4) colocada en el piso de la plataforma (100), (1) and configured to act individually on each of the wheels (101,101 ') connected to the self-propelled electric axle (1) and where said electric motors (2,2') are powered by at least one battery (4) placed in the platform floor (100),
siendo dicha batería (4) recargable eléctricamente mediante una pluralidad de fotocélulas (7) dispuestas en la parte superior del remolque y plataforma (100). said battery (4) being electrically rechargeable by means of a plurality of photocells (7) arranged in the upper part of the trailer and platform (100).
2. El remolque y plataforma (100) de acuerdo con la reivindicación 1 en donde los motores eléctricos (2,2’) están conectados y comandados con la central electrónica 2. The trailer and platform (100) according to the claim 1 wherein the electric motors (2.2 ’) are connected and commanded with the electronic central (3) de la unidad tractora (200). (3) of the tractor unit (200).
3. 3.
El remolque y plataforma (100) de acuerdo con cualquiera de las reivindicaciones 1 y 2 en donde al menos un eje de la plataforma (100) no es eléctrico ni autopropulsado. The trailer and platform (100) according to any of claims 1 and 2 wherein at least one axis of the Platform (100) is not electric or self-propelled.
4. Four.
Un método de propulsión de un remolque y plataforma (100) para el transporte pesado en carretera como el descrito en cualquiera de las reivindicaciones 1 a 3 que se caracteriza porque comprende las etapas de: (a) proporcionar dos motores eléctricos (2,2’); (b) actuar individualmente sobre cada una de las ruedas (101,101’) conectados con un eje eléctrico autopropulsado (1) de la plataforma (100); y donde la actuación de los motores eléctricos (2,2’) sobre las ruedas (101,101’) está regulado por medio de una A method of propulsion of a trailer and platform (100) for heavy road transport as described in any one of claims 1 to 3 characterized because it comprises the stages of: (a) providing two electric motors (2,2 ’); (b) act individually on each of the wheels (101,101 ’) connected with an axle self-propelled electric (1) platform (100); Y where the performance of electric motors (2.2 ’) on The wheels (101,101 ’) are regulated by means of a
central electrónica (3) de la unidad tractora (200). electronic control unit (3) of the tractor unit (200).
5. 5.
El método de acuerdo con la reivindicación 4 donde los The method according to claim 4 wherein the
motores engines
eléctricos (2,2’) actúan sobre las ruedas electric (2.2 ’) act on the wheels
(101,101’) (101,101 ’)
independientemente, de uno en uno, o independently, from one in one, or
sincronizados girando a la misma velocidad. synchronized spinning at the same speed.
ES201730371A 2017-03-20 2017-03-20 TRAILER AND PLATFORM WITH SELF-PROPELLED ELECTRIC SHAFT FOR HEAVY ROAD TRANSPORTATION Active ES2629088B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030029651A1 (en) * 1999-02-03 2003-02-13 Palmeri Frank A. Electronically controlled tractor trailer propulsion braking and stability systems
FR2929582A1 (en) * 2008-04-07 2009-10-09 Gerard Koehler Motorized electromechanical coupling device for trailer's rear axle and unmarked front wheel drive cabin, has station with motors and supply devices so that frequency difference between supply devices drives axle rotation to rotate wheels
WO2012078168A1 (en) * 2010-12-10 2012-06-14 International Truck Intellectual Property Company, Llc Hybrid tandem drive axle of a truck vehicle
US20150051795A1 (en) * 2011-09-23 2015-02-19 Deere & Company Steering control for vehicle trains
ES2536151A1 (en) * 2015-01-25 2015-05-20 Rafael SERRANO PÉREZ Semitrailers and platforms with self-propelled axles for heavy and special transports (Machine-translation by Google Translate, not legally binding)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030029651A1 (en) * 1999-02-03 2003-02-13 Palmeri Frank A. Electronically controlled tractor trailer propulsion braking and stability systems
FR2929582A1 (en) * 2008-04-07 2009-10-09 Gerard Koehler Motorized electromechanical coupling device for trailer's rear axle and unmarked front wheel drive cabin, has station with motors and supply devices so that frequency difference between supply devices drives axle rotation to rotate wheels
WO2012078168A1 (en) * 2010-12-10 2012-06-14 International Truck Intellectual Property Company, Llc Hybrid tandem drive axle of a truck vehicle
US20150051795A1 (en) * 2011-09-23 2015-02-19 Deere & Company Steering control for vehicle trains
ES2536151A1 (en) * 2015-01-25 2015-05-20 Rafael SERRANO PÉREZ Semitrailers and platforms with self-propelled axles for heavy and special transports (Machine-translation by Google Translate, not legally binding)

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