ES2382787A1 - Snowblower for airport runways (Machine-translation by Google Translate, not legally binding) - Google Patents

Snowblower for airport runways (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2382787A1
ES2382787A1 ES201200091A ES201200091A ES2382787A1 ES 2382787 A1 ES2382787 A1 ES 2382787A1 ES 201200091 A ES201200091 A ES 201200091A ES 201200091 A ES201200091 A ES 201200091A ES 2382787 A1 ES2382787 A1 ES 2382787A1
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arms
track
snowplow
attack
snow
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ES2382787B1 (en
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Heliodoro Rios Valcarcel
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/06Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades
    • E01H5/065Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades characterised by the form of the snow-plough blade, e.g. flexible, or by snow-plough blade accessories

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

Snowblower for airport runways. Large snowfalls over airports cause interruptions in service with multiple canceled flights, problems for passengers, etc. To date snow plows have been used, which efficiency is very low, so that when it comes to copious snowfalls, when these machines reach the end of the track, the principle has already been covered with snow again. The invention consists of a snowplow that in a single sweeping operation is capable of cleaning the entire track, in a minimum time, by means of the device of two arms (1, 1 ') hingedly joined by a hinge (2), each of which are provided on both sides with snow blades (3), arms capable of forming an angle of attack oriented towards one or the other of the ends of the track and which is dragged by winches (13) driven by motors (17, 18, 18 '). The pair of arms (1, 1 ') integrally affects the track (4) in all its width, and located at one end of the track is dragged by the said engines to the other end, as previously stated in a single sweeping operation and in an extremely short time. (Machine-translation by Google Translate, not legally binding)

Description

Quitanieves para pistas de aeropuertos.Snow plow for airport runways.

Objeto de la invenciónObject of the invention

La presente invención se refiere a un quitanieves, que ha sido especialmente concebido para la limpieza de las pistas de despegue y aterrizaje en aeropuertos, constituyendo un elemento integrado en las estructuras del propio aeropuerto.The present invention relates to a snow plow, which has been specially designed for cleaning the takeoff and landing runways at airports, constituting a element integrated into the structures of the airport itself.

El objeto de la invención es conseguir una rápida eliminación de la nieve caída sobre las pistas, que impida que una nevada las haga inutilizables, realizando la limpieza en un período de tiempo extremadamente corto, de manera que la interferencia de la nevada en el tráfico aéreo sea mínima.The object of the invention is to achieve a Rapid removal of snow falling on the slopes, which prevents that a snowfall makes them unusable, cleaning in a extremely short period of time, so that the Snowfall interference in air traffic is minimal.

La invención se sitúa pues en el ámbito de la aeronáutica, mas concretamente en el de las pistas para despegue y aterrizaje de aeronaves.The invention thus falls within the scope of the aeronautics, more specifically in the one of the tracks to take off and aircraft landing.

Antecedentes de la invenciónBackground of the invention

Los efectos que la nieve trae consigo en las pistas de un aeropuerto son de vital importancia materializándose en multitud de vuelos cancelados, con las consecuentes pérdidas económicas, perjuicios para los pasajeros, etc., a lo que hay que añadir además que en muchas ocasiones el problema se plantea para aeronaves procedentes de otros aeropuertos, que se ven sin posibilidad de aterrizar cuando llegan a destino lo que supone su desvío hacia lugares en que no existe el problema, lo que supone a su vez un consumo extra de combustible, retrasos importantes en la hora de llegada, etc.The effects that snow brings on Airport runways are of vital importance materializing in multitude of canceled flights, with the consequent losses economic, damages for passengers, etc., to what you have to also add that in many cases the problem arises to aircraft from other airports, which are seen without possibility of landing when they arrive at their destination what their diversion to places where there is no problem, which means in turn an extra fuel consumption, significant delays in the arrival time, etc.

En la actualidad y tratando de resolver este problema, se utilizan máquinas quitanieves convencionales, similares a las que se utilizan en las autopistas y otras vías de comunicación, máquinas que en el caso de grandes nevadas son ineficaces por cuanto que cuando llegan al final de la pista ésta ya se ha cubierto de nieve de nuevo por su otro extremo, y
viceversa.
Currently, and trying to solve this problem, conventional snow plows are used, similar to those used on highways and other communication routes, machines that in the case of heavy snowfall are ineffective because when they reach the end of the This track has already been covered with snow again at its other end, and
vice versa.

Descripción de la invenciónDescription of the invention

El quitanieves para pistas de aeropuertos que la invención propone resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, ya que permite la eliminación de la nieve en un período de tiempo extremadamente corto, suficiente como para que, en el peor de los casos, entre cada dos ciclos operativos del quitanieves pueda efectuarse el despegue o el aterrizaje de al menos una aeronave con condiciones de seguridad.The snow plow for airport runways that the proposed invention resolves in a fully satisfactory way the problematic previously exposed, since it allows the elimination of snow in an extremely short period of time, enough so that, in the worst case, between every two cycles snow plow operations can take off or landing of at least one aircraft with conditions of security.

Para ello y de forma mas concreta el quitanieves está estructurado a partir de dos brazos capacitados para formar un determinado ángulo, similar al de la pala de una máquina quitanieves convencional, brazos que en su conjunto afectan a una superficie de barrido acorde con la anchura de la pista y con la particularidad de que están unidos entre sí articuladamente, de manera que su vértice de ataque queda orientado adecuadamente en los desplazamientos de dichos brazos hacia uno y otro de los extremos de la pista. En este sentido cada brazo está constituido mediante dos palas contrapuestas, de perfil curvo, resultando operativa una u otra en función del sentido de desplazamiento del quitanieves.To do this and more specifically the snowplow it is structured from two arms trained to form a certain angle, similar to that of a snowplow blade conventional, arms that as a whole affect a surface of sweeping according to the width of the track and the particularity of that are articulated together, so that their vertex of attack is properly oriented in the movements of said arms towards each other of the ends of the track. In this direction each arm is constituted by two blades opposed, curved profile, being operative one or the other in function of the direction of travel of the snowplow.

La bisagra de articulación establecida entre ambos brazos determina una amplia abertura en el vértice de ataque, donde la nieve tiende a acumularse. Para resolver este problema se ha previsto que las dos palas de cada brazo estén relacionadas entre sí mediante piñones y cremalleras en orden a variar su posición relativa para conseguir un óptimo grado de aproximación.The articulation hinge established between both arms determine a wide opening at the apex of attack, where snow tends to accumulate. To solve this problem you has foreseen that the two blades of each arm are related between yes by pinions and zippers in order to vary their position relative to achieve an optimal degree of approximation.

En cualquier caso se ha previsto también la disposición sobre dicho vértice de ataque de un escudo angular, a base de dos piezas independientes, capaces de contactar entre sí por sus extremos próximos en la cara de ataque del quitanieves y de separarse en la cara opuesta para permitir la angulación adecuada de los brazos.In any case, the provision on said vertex of attack of an angular shield, to base of two independent pieces, able to contact each other by its proximal ends on the snowplow's attack face and separate on the opposite face to allow adequate angulation of the arms

Las dos piezas de este escudo estarán montadas sobre guías de los brazos respectivos y podrán ser accionadas por cualquier medio convencional, como por ejemplo cremalleras, cilindros hidráulicos o neumáticos, etc.The two pieces of this shield will be mounted on guides of the respective arms and may be operated by any conventional means, such as zippers, hydraulic or pneumatic cylinders, etc.

Como complemento de la estructura descrita, en la superficie de la pista se establecen tres guías longitudinales, una central y dos laterales y simétricas, que quedan embebidas en sendos canales y por las que se deslizan respectivos patines, uno situado en correspondencia con el vértice definido por los brazos, y otros dos en cualquier punto adecuado de cada uno de estos dos brazos. Guías y patines están configurados de manera que impidan la elevación de los brazos por efecto de la nieve que se va acumulando sobre los mismos.As a complement to the structure described, in The surface of the track is set three longitudinal guides, a central and two lateral and symmetrical, which are embedded in two channels and through which respective skates slide, one located in correspondence with the vertex defined by the arms, and two others at any suitable point of each of these two arms. Guides and skates are configured to prevent elevation of the arms due to the snow that accumulates about them.

El arrastre del quitanieves propiamente dicho, es decir de la pareja de brazos angular, se lleva a cabo con la colaboración de respectivos cabestrantes, a los que están asociados los patines citados y con el concurso de tres motores, preferentemente eléctricos, que se sitúan en un foso establecido en correspondencia con uno de los extremos de la pista, con la particularidad además de que el motor central está asistido por un fin de carrera que provoca la parada del mismo cuando el vértice del quitanieves propiamente dicho alcanza uno de los extremos de la pista, mientras que los otros dos motores continúan en funcionamiento hasta que ambos brazos quedan alineados transversalmente, contando a su vez estos dos motores laterales auxiliares con fines de carrera que provocan la automática parada de los mismos cuando los brazos adoptan la citada posición limite de alineación transversal.The snowplow drag itself, that is to say the angular arm pair, it is carried out with the collaboration of respective winches, to which they are associated the skates cited and with the contest of three engines, preferably electric, which are located in a pit established in correspondence with one end of the track, with the particularity in addition to the fact that the central engine is assisted by a the end of the race that causes it to stop when the vertex of Snowplow itself reaches one end of the track while the other two engines continue in operation until both arms are aligned transversely, in turn counting these two lateral motors auxiliary for career purposes that cause the automatic stop of the same when the arms adopt the aforementioned limit position of cross alignment.

Los patines y sus complementarias guías están situados de manera que el borde inferior de las dobles palas queda separado del suelo en una pequeña magnitud, del orden de 5 a 10 mm, para evitar el roce de dichas palas con la pista, situándose en correspondencia con este espacio un faldón de goma o similar.The skates and their complementary guides are located so that the bottom edge of the double blades is separated from the ground in a small magnitude, of the order of 5 to 10 mm, to avoid rubbing said blades with the track, standing at correspondence with this space a rubber skirt or similar.

Descripción de los dibujosDescription of the drawings

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as an integral part of said description, a set of drawings where with character Illustrative and not limiting, the following has been represented:

La figura 1.- Muestra, según una representación esquemática en perspectiva, un quitanieves para pistas de aeropuertos realizado de acuerdo con el objeto de la presente invención.Figure 1.- Shows, according to a representation schematic in perspective, a snow plow for tracks airports carried out in accordance with the purpose of this invention.

La figura 2.- Muestra también según una representación esquemática y en perspectiva, el extremo del quitanieves correspondiente al grupo de motorización, en posición inicial del recorrido sobre la pista del aeropuerto.Figure 2.- Shows also according to a schematic and perspective representation, the end of snow plow corresponding to the motor group, in position initial of the route on the airport runway.

La figura 3.- Muestra un detalle similar al de la figura 2, pero ahora según una vista en planta.Figure 3.- Shows a detail similar to that of Figure 2, but now according to a plan view.

La figura 4.- Muestra un detalle parcial en perspectiva de uno de los brazos que participan en el quitanieves.Figure 4.- Shows a partial detail in perspective of one of the arms involved in the snowplow.

La figura 5.- Muestra un detalle en sección transversal de una de las guías establecidas sobre la pista de aterrizaje, con su correspondiente patín.Figure 5.- Shows a detail in section cross section of one of the guides established on the track landing, with its corresponding skate.

La figura 6.- Muestra, finalmente, una representación esquemática en alzado lateral del quitanieves en su conjunto montado sobre una pista de aterrizaje, sobre la que se ha representado además esquemáticamente la trayectoria de una aeronave en su aterrizaje y despegue.Figure 6.- Shows, finally, a schematic representation in side elevation of the snowplow in its set mounted on a runway, on which it has also schematically represented the trajectory of an aircraft on landing and take off.

Realización preferente de la invenciónPreferred Embodiment of the Invention

A la vista de las figuras reseñadas y en particular de la figura 1, puede observarse como el quitanieves que la invención propone está constituido mediante una pareja de brazos (1, 1') unidos articuladamente entre sí mediante una bisagra (2) o cualquier otro medio de articulación apropiado, estando cada uno de estos brazos (1, 1') estructurado mediante una pareja de palas (3) curvas, similares a las palas de una máquina quitanieves convencional, aunque obviamente de tamaño extraordinariamente mayor puesto que la pareja de brazos (1, 1') en su conjunto afecta en toda su anchura a la pista de aterrizaje (4), lo que también se observa en la citada figura 1.In view of the figures outlined and in particular of figure 1, can be seen as the snowplow that the proposed invention is constituted by a pair of arms (1, 1 ') joined together with each other by a hinge (2) or any other appropriate means of articulation, each being these arms (1, 1 ') structured by a pair of blades (3) curves, similar to the blades of a snow plow conventional, although obviously of extraordinarily larger size since the pair of arms (1, 1 ') as a whole affects all its width to the runway (4), which is also observed in the cited figure 1.

Esta unión articulada entre los brazos (1, 1') tiene como evidente finalidad permitir invertir el ángulo de ataque del quitanieves, orientando en todo momento el vértice definido por sus brazos en el sentido de avance de los mismos, tal como se desprende de la observación de las figuras 2 y 3.This articulated joint between the arms (1, 1 ') its obvious purpose is to allow the angle of attack to be reversed of the snowblower, orienting at all times the vertex defined by your arms in the same direction as you it follows from the observation of figures 2 and 3.

Las palas (3) que configuran cada brazo pueden ser monopieza en el seno del mismo, o bien pueden estar relacionadas con posibilidad de desplazamiento longitudinal relativo, tal como muestra la figura 4, en cuyo caso dichas palas (3) tienen sus caras enfrentadas a respectivas cremalleras (5) a través de las que se relacionan con el concurso de piñones no representados, y todo ello en orden a que el extremo interno de tales brazos se separe o se aproxime a nivel de la bisagra (2), para cubrir en la mayor medida posible la bisagra (2).The blades (3) that make up each arm can be a single piece within it, or they can be related with the possibility of relative longitudinal displacement, such as shows figure 4, in which case said blades (3) have their faces facing respective zippers (5) through which related to the contest of pine nuts not represented, and all this in order that the inner end of such arms be separated or Approximately at the level of the hinge (2), to cover to the greatest extent hinge possible (2).

No obstante se ha previsto que para evitar cualquier riesgo de deposición de nieve sobre el vértice definido por los brazos (1, 1'), éstos incorporen en cada una de sus caras, sendas parejas de piezas deslizantes (6), una para cada pala (3), de manera que estas piezas deslizantes son susceptibles de constituir prolongaciones de las palas que cierran perfectamente el vértice de ataque de las mismas en el sentido de avance, mientras que se separan en la cara opuesta del quitanieves, para permitir la angulación de los brazos.However, it is planned to avoid any risk of snow deposition on the defined vertex by the arms (1, 1 '), these incorporate in each of their faces, two pairs of sliding parts (6), one for each blade (3), of so that these sliding parts are likely to constitute extensions of the blades that perfectly close the vertex of attack of them in the direction of advancement while separate on the opposite side of the snowblower, to allow angulation of the arms

Para la movilización de estos brazos articulados (1, 1') se ha previsto que en la pista de aterrizaje (4) se establezcan al menos una acanaladura central (7) y dos acanaladuras laterales (8, 8'); como la representada en la figura 5, que reciben en su seno a sendas guías o llantas (9), sólidamente unidas al suelo y por ejemplo con la sección en "T" de dicha figura 5, en orden a que sobre estas líneas (9) descansen patines (10) que a la vez que descargan el peso de los brazos (1, 1') sobre la cara superior de las guías (9) a través del cojinete (11), inmovilizan a los brazos frente a esfuerzos tendentes a la elevación de los mismos, debidos a la acumulación de nieve, mediante otros cojinetes latero-inferiores (12).For the mobilization of these articulated arms (1, 1 ') it is planned that on the landing strip (4) establish at least one central groove (7) and two grooves lateral (8, 8 '); as depicted in figure 5, which they receive in its bosom to paths guides or tires (9), solidly attached to the ground and for example with the "T" section of said figure 5, in order that on these lines (9) rest skates (10) that at the same time unload the weight of the arms (1, 1 ') on the upper face of the guides (9) through the bearing (11), immobilize the arms against efforts to raise them, due to snow accumulation, through other bearings latero-inferiors (12).

Los citados patines (10) son desplazables en uno u otro sentido a lo largo de las guías (9) al estar rígidamente unidos a respectivos cabestrantes (13) que se desplazan entre poleas extremas (14 y 15) y que recorren en trayectoria de ida y vuelta las acanaladuras (7, 8, 8').The aforementioned skates (10) are movable in one or another direction along the guides (9) to be rigidly attached to respective winches (13) that move between pulleys extreme (14 and 15) and that travel in round-trip trajectories grooves (7, 8, 8 ').

Estos cabestrantes están relacionados, mediante medios de transmisión complementarios (16), con respectivos motores (17, 18, 18') encargados de arrastrar los brazos (1, 1'), es decir el quitanieves propiamente dicho, en uno u otro sentido a lo largo de la pista (4).These winches are related, by complementary transmission means (16), with respective engines (17, 18, 18 ') responsible for dragging the arms (1, 1'), that is the snowplow itself, in one way or another along of the track (4).

El motor central (17) están provisto de un fin de carrera que provoca la automática parada del mismo cuando el vértice del quitanieves propiamente dicho, es decir el vértice definido por los brazos (1, 1') llega a cualquiera de los extremos de la pista (4), momento en el que los motores auxiliares (18, 18') siguen girando hasta conseguir la situación limite mostrada en la figura 6, en la que ambos brazos (1, 1') quedan alineados transversalmente y situados junto a las balizas (19) de señalización del inicio y final de pista.The central motor (17) is provided with an end of race that causes the automatic stop of the same when the vertex of the snow plow itself, that is to say the vertex defined by the arms (1, 1 ') reaches either end of the track (4), at which time the auxiliary engines (18, 18 ') continue turning until the limit situation shown in the Figure 6, in which both arms (1, 1 ') are aligned transversely and located next to the signaling beacons (19) of the beginning and end of the track.

Estos motores y sus auxiliares medios de transmisión quedan alojados en un foso (20) operativamente establecido en correspondencia con uno de los extremos de la pista, obviamente fuera de la línea de aterrizaje y despegue que ha sido referenciada con (21) en la citada figura 6.These engines and their auxiliary means of transmission are housed in a pit (20) operationally established in correspondence with one end of the track, obviously off the landing line and take off that has been referenced with (21) in the cited figure 6.

Una potencia y velocidad adecuada para los motores (17, 18, 18'), trae consigo el rápido barrido longitudinal de la pista (4) en una única maniobra, por otro lado totalmente automatizada al poderse realizar mediante accionamiento sobre un simple pulsador, deja la pista (4) en perfectas condiciones de uso, expeliendo totalmente la nieve fuera de ella.A power and speed suitable for engines (17, 18, 18 '), brings with it the rapid longitudinal sweep of the track (4) in a single maneuver, on the other hand totally automated when it can be done by actuating on a simple push-button, leave the track (4) in perfect conditions of use, totally expelling the snow out of it.

Claims (5)

1. Quitanieves para pistas de aeropuertos, caracterizado por estar constituido mediante una pareja de brazos (1, 1') relacionados entre sí por uno de sus extremos mediante una bisagra (2) que permite variar la angulación definida por los mismos, y orientar el vértice de ataque de dichos brazos hacia uno u otro extremo de la pista, constituyendo tales brazos el quitanieves propiamente dicho y siendo desplazables a lo largo de la pista mediante un cabestrante longitudinal y central (13) y una pareja de cabestrantes laterales y simétricos, que recorren longitudinalmente la pista (4) de uno a otro extremo de la misma entre poleas (14, 15), que reciben el movimiento mediante transmisiones de respectivos motores (17, 18, 18').1. Snowplow for airport runways, characterized by being constituted by a pair of arms (1, 1 ') interconnected by one of its ends by means of a hinge (2) that allows to vary the angulation defined by them, and orient the vertex of attack of said arms towards one or the other end of the track, such arms constituting the snow plow itself and being movable along the track by means of a longitudinal and central winch (13) and a pair of lateral and symmetrical winches, which they run longitudinally along the track (4) from one end to the other between pulleys (14, 15), which receive the movement by means of transmissions from respective engines (17, 18, 18 '). 2. Quitanieves para pistas de aeropuertos, según reivindicación 1, caracterizado porque cada uno de los brazos citados está constituido mediante dos palas quitanieves (3) contrapuestas, estando dichas palas (3) solidarizadas entre sí dentro de cada brazo (1, 1'), estando conectadas mediante cremalleras (5) y piñones intermedios, que permiten el desplazamiento longitudinal de unas con respecto a las otras.2. Snow plow for airport runways, according to claim 1, characterized in that each of the aforementioned arms is constituted by two opposing snow plows (3), said blades (3) being joined together within each arm (1, 1 ') , being connected by zippers (5) and intermediate pinions, which allow the longitudinal displacement of some with respect to the others. 3. Quitanieves para pistas de aeropuertos, según reivindicaciones anteriores, caracterizado porque sobre el vértice de ataque se sitúa un escudo que cubre integralmente la bisagra (2), materializándose dicho escudo en piezas (6) longitudinalmente desplazables sobre la cara de ataque y la cara posterior del quitanieves propiamente dicho, sobre el extremo interno de las palas (3), contando dicho escudo con medios de movilización automática de sus piezas para aproximación y distanciamiento de las mismas con respecto a la bisagra.3. Snowplow for runways of airports, according to previous claims, characterized in that a shield that integrally covers the hinge (2) is placed on the attack vertex, said shield materializing in longitudinally movable parts (6) on the attack face and face after the snowplow itself, on the inner end of the blades (3), said shield with means of automatic mobilization of its pieces for approximation and distancing of the same with respect to the hinge. 4. Quitanieves para pistas de aeropuertos, según reivindicaciones anteriores, caracterizado porque el motor (17) que tracciona del vértice de ataque del quitanieves, está dotado de un fin de carrera que provoca la automática parada del mismo cuando dicho vértice de ataque alcanza uno de los extremos de la pista, mientras que los motores auxiliares (18, 18') cuentan con respectivos fines de carrera que provocan la parada de los mismos con posterioridad a la del motor intermedio (17), cuando los brazos (1, 1') del quitanieves, se alinean transversalmente.4. Snowplow for airport runways, according to previous claims, characterized in that the engine (17) that pulls from the attack vertex of the snowplow, is provided with an end of stroke that causes the automatic stop of the same when said attack vertex reaches one of the ends of the track, while the auxiliary engines (18, 18 ') have respective race ends that cause them to stop after the intermediate engine (17), when the arms (1, 1') of the snowplow, they line up transversely. 5. Quitanieves para pistas de aeropuertos, según reivindicaciones anteriores, caracterizado porque los brazos (1, 1') descansan sobre patines (10) que a su vez lo hacen sobre guías (9) establecidas a lo largo de canales longitudinales (7, 8, 8') dispuestos en la pista (4), contando dichas guías (9) con medios de retención para los patines (10) frente a la tendencia a la elevación de los brazos (1, 1'), materializados en cojinetes (11).5. Snow plow for airport runways, according to previous claims, characterized in that the arms (1, 1 ') rest on skates (10) which in turn do so on guides (9) established along longitudinal channels (7, 8 , 8 ') arranged on the track (4), said guides (9) having retention means for the skates (10) against the tendency to lift the arms (1, 1'), materialized in bearings (11 ).
ES201200091A 2012-02-02 2012-02-02 Snowplow for airport runways Expired - Fee Related ES2382787B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232538A (en) * 2022-01-12 2022-03-25 湖北国际物流机场有限公司 Full-coverage cleaning device for airport runway

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803733A (en) * 1972-10-05 1974-04-16 R Ramsey Convertible snow plow with slidable closing wings
US5791072A (en) * 1997-01-21 1998-08-11 Schbot; Michel Snowplow with adjustable handle
US6044579A (en) * 1993-04-26 2000-04-04 Sno-Way International, Inc. Articulated snowplow system
EP1531203A1 (en) * 2003-11-14 2005-05-18 A2C-Atelier De Conception Et De Construction Snowplough blade, in fixed V-position, open to the front, steerable by a hydraulic or mechanical system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803733A (en) * 1972-10-05 1974-04-16 R Ramsey Convertible snow plow with slidable closing wings
US6044579A (en) * 1993-04-26 2000-04-04 Sno-Way International, Inc. Articulated snowplow system
US5791072A (en) * 1997-01-21 1998-08-11 Schbot; Michel Snowplow with adjustable handle
EP1531203A1 (en) * 2003-11-14 2005-05-18 A2C-Atelier De Conception Et De Construction Snowplough blade, in fixed V-position, open to the front, steerable by a hydraulic or mechanical system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114232538A (en) * 2022-01-12 2022-03-25 湖北国际物流机场有限公司 Full-coverage cleaning device for airport runway

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