EP2586916A1 - Surface-cleaning tool for road maintenance vehicles - Google Patents
Surface-cleaning tool for road maintenance vehicles Download PDFInfo
- Publication number
- EP2586916A1 EP2586916A1 EP12188678.2A EP12188678A EP2586916A1 EP 2586916 A1 EP2586916 A1 EP 2586916A1 EP 12188678 A EP12188678 A EP 12188678A EP 2586916 A1 EP2586916 A1 EP 2586916A1
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- EP
- European Patent Office
- Prior art keywords
- carrier plate
- cleaning tool
- vehicle
- ground
- tool according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
Definitions
- the invention relates to a surface cleaning tool intended to be used on a road maintenance vehicle, such as a sweeper, motorized type or not.
- the road vehicles are in known manner composed of a front structure which is intended to control the machine, extending rearwardly by a chassis receiving a tank which is intended to collect the waste which is collected by means of generally located under the chassis or at the front of the vehicle, via a suction system and a turbine.
- the suction means are associated with a turbine in order to generate an air flow which makes it possible to collect debris or waste present on the ground or on the surface to be treated, then to ensure the transfer and the deposit inside the receiving tank.
- the waste that is on the area to be cleaned is initially grouped in an area that is located substantially under the vehicle frame, and they are then collected by means of the conduit.
- suction which is powered by the turbine. This turbine creates a flow of air which has the effect of allowing the collection of waste collected by the brushes and their transfer through the suction duct to the vein, the sucked air being then evacuated to the outside of tank.
- Solutions of known type have shown their effectiveness in a certain number of situations, when the zone to be treated is regular and does not present constraints imposing maneuvers or operation in reverse, for example deformations on the ground, a slope or again. the presence of numerous and asymmetrical obstacles.
- Known solutions have shown their limits when the road does not have a homogeneous surface. The problem to be solved is therefore to optimize the treatment of irregular surfaces, allowing the passage of the vehicle equipped with the cleaning device both in forward and in motion rear, without risk of blockage or damage to obstacles present, for example a vehicle that would be parked along the road.
- the cleaning means are most often an assembly comprising at least two side brushes with rotating brushes which are mounted on a support formed of two arms articulated about a vertical axis.
- the suction nozzle is placed under the chassis of the vehicle recessed brushes.
- a road vehicle of this type is for example illustrated in the document DE 911 55 78.9 .
- a first difficulty lies in the fact that the brushes can not be adjusted in real time to adapt to the terrain configuration.
- Devices are known that allow to ensure a height adjustment or width of all cleaning, or each brush individually.
- the document DE 911 55 78.9 mentioned above shows a vehicle which comprises two identical sets arranged symmetrically on either side of the longitudinal axis of the vehicle and each consisting of two brushes articulated on a double arm. Each set includes a fixed back brush and an adjustable front brush in the horizontal plane.
- the continuous adjustment of the brushes is not possible and the height must in particular be predefined and preset in the workshop before intervention and start-up of the vehicle. It is therefore not possible to adapt the positioning of the brushes according to the configuration of the terrain and obstacles encountered.
- the document DE20 2006 006573 illustrates the known prior art of the applicant which is closest to the invention as defined by the claims.
- This document describes a surface cleaning tool for a road maintenance vehicle, of the type comprising a frame on which are mounted a cabin in the front part, a tank in the rear part, brushing means arranged on a carrier plate provided with its base of a peripheral skirt in several parts and suction means comprising a suction nozzle connected to the upper part of the carrier plate, above the brushing means for generating a flow of air directly through said means of brushing.
- This solution is not fully satisfactory because it does not ensure an uninterrupted air supply within the enclosure defined by the peripheral skirt, whatever the direction of movement of the vehicle.
- the known solutions have another disadvantage, related to the insufficient grouping of waste before passage of the brushing tool.
- the waste which is scattered over the surface to be treated is more or less reduced towards the center of the cleaning device which corresponds to the longitudinal central axis of the vehicle according to its direction of movement, to then be sucked by the nozzle which is located behind the brushes.
- This configuration leaves on the ground, and especially when it is irregular or when the vehicle must move back, many waste that escape the samples, resulting in reduced efficiency of cleaning.
- the invention proposes to remedy the various disadvantages indicated above by providing a cleaning tool directly integral with the suction means and comprising a body receiving one or more rotating brushes movable along three axes, inside which a depression is maintained continuously to ensure a perfect seal, a peripheral scraping tool placed under this body to ensure a treatment of the area when the vehicle back.
- the cleaning tool according to the invention is mounted on a vehicle composed of a frame on which are mounted a cabin in the front part, a tank in the rear part, and comprises suction means and control means. brushing.
- the brushing means comprise at least one rotary brush, mounted in front of the vehicle on a carrier plate connected to a coupling structure to the chassis of the vehicle, comprising means for adjusting the position of the blade in at least two directions, each independently of the other.
- the brushing means comprise three brushes (1) of vertical axis, arranged on a carrier plate (2) at the front of the frame to form a monobloc cleaning module, and the position of the brushes can be adjusted in three directions, each independently of the others.
- the carrier plate (2) consists of an element of substantially triangular shape, the enlarged portion corresponding to the base of the triangle, is disposed forwardly in the direction of travel of the vehicle and the rear part narrowed, corresponding to the top of the triangle, is connected to the free end of a hinged structure (3) protruding forward of the vehicle frame.
- the structure (3) which will be described in more detail below, is provided for connecting the cleaning tool to the chassis of the vehicle, allowing installation or rapid removal, and for connecting the suction means, in particular a nozzle (10).
- the brushes (1) are mounted on the carrier plate (2) along a vertical axis perpendicular to the longitudinal axis of the tool, so that two of the brushes are each arranged at one of the two lateral ends of the part widened carrier plate (2), and the third broom back to the end of the narrowed portion of said carrier plate, the axes of the three brushes (1) thus forming a triangle.
- the carrier plate (2) is mounted at the end of the coupling structure (3) which is controlled by a tilt cylinder (4). Under the action of the cylinder (4), the structure (3), and therefore the carrier plate (2) with the brushes (1), can be moved in the horizontal plane, from right to left and vice versa, according to the longitudinal axis of movement of the vehicle.
- the displacement of the carrier plate (2) in the vertical plane is controlled by the lifting system of the vehicle (not shown), which is directly associated with the coupling structure (3) by means of a shaft (27) removable.
- the figure 5 schematically represents the tool according to the invention, in its normal position of use, that is to say parallel to the ground.
- the tool can be detached so that the brushes (1) are no longer in contact with the ground, by removing the pin (27).
- the assembly is then placed on the ramp, the lift system of the carrier vehicle is lowered and the axis (27) is reintroduced, as seen in FIG. figure 6 .
- the front portion of the tool will thus be raised at an angle x relative to the ground, and maintained in a temporary crossing position.
- the suction means comprise a turbine (not shown) of conventional type (and which will therefore not be described in the following description) and a flexible conduit (11) cooperating with the turbine.
- a turbine not shown
- One of the ends of the conduit (11) is connected to the collection tank by means of a coupling plate (12), and the other end is extended by the suction nozzle (10) positioned above the brushes ( 1), and provided to ensure the collection of waste brought by the brushes (1) towards the central axis of the vehicle.
- the flexible duct / suction nozzle assembly (10 and 11) is connected to the carrier plate (2) by two identical articulated parallelograms (5a, 5b), which are arranged opposite each other at the ends. rear side of the carrier plate (2). More particularly, and as we see in the figure 2 , each of the parallelograms (5a and 5b) consists of two parallel arms (5 '), the ends of which are articulated along a horizontal axis (6) around ball joints (6a, 6b, 6c and 6d) mounted at the respective ends of two vertical supports (7) substantially parallel to each other and substantially perpendicular to the carrier plate (2).
- the cleaning block being hinged at the end of a structure allowing movement in at least two directions, its movements are directly induced by the obstacles encountered and / or the peculiarities of the area to be treated, and it is no longer necessary to associating with the cleaning block support elements in contact with the ground, such as for example wheels, as was necessary with the solutions illustrated by the known documents of the prior art.
- the carrier plate (2) is exclusively supported by the coupling structure (3) fixed to the chassis of the vehicle, and has no support means on the ground in its lower part, the brushes of the brushes (1) being the only ones parts of the implement that are in contact with the ground when the vehicle is running.
- roller (26), damper at each of the two front ends of the carrier plate (2).
- the carrier plate (2) is provided at its base with a peripheral skirt (13) made of a flexible material.
- the skirt (13) comprises different parts that will be described below, and whose dimensions are determined so as to cover the space remaining between the lower edge of the carrier plate (2) and the ground when the tool is in position use - that is to say, the brushes being in contact with the ground - so to define a confined enclosure under said carrier plate (2).
- the pressure differential between, on the one hand, this confined chamber which corresponds to the zone treated by the cleaning block, and on the other hand the external environment, can be adjusted by adjusting from the control cabin the speed of the connected turbine. at the other end of the flexible conduit (11) and communicating with the waste tank.
- the front part of the skirt (13), that is to say the one situated opposite the coupling structure (3), consists of a flap (14) movable, articulated on a hinge (15). ).
- the flap (14) is associated with pivoting means for tilting the hinge when the vehicle is in reverse, so that the flap (14) scrapes the ground.
- the pivoting means consist of lateral inverters (16) each comprising a straight upper part of axis parallel to the flap (14) and acting as a connecting surface, extended by a lower part bent forwardly. , whose length is defined so that its free end is flush with the ground when the vehicle is in the forward position, the tool being parallel to the ground.
- the flap (14) In forward movement, and insofar as a depression is maintained in the enclosure created under the carrier plate (2), the flap (14) is pushed backwards and held in the up position by the inverters (16) and / or by the airflow sucked through the carrier plate (2), as soon as it is in contact with the ground, as can be seen in figure 7 .
- the tilting of the inverters (16) to the rear is limited by a stop (17). This allows in particular to ensure uninterrupted air supply within the enclosure defined by the peripheral skirt (13) under the carrier plate (2).
- the inverters (16) take up a high position by tilting forward, with a corresponding downward movement of the flap (14) which will not be locked in the up position and will then act as scraper, as one sees it figure 8 .
- this tilting movement can also be controlled by any other means (hydraulic or electrical jack or cable etc .... outside replacing or in addition to the inverter (16).
- the flap (14) thus treats the entire surface concerned by bringing back to the rotary brushes (1) the waste and particles that are present to allow their suction with the same efficiency as when the vehicle is in forward movement, while managing the volume of air admitted into the enclosure formed under the carrier plate (2) when the vehicle is in forward motion, in order to maintain a sufficient supply to ensure efficient suction without dropping the voluntarily maintained depression under the tray carrier (2).
- the rear part of the skirt (13), that is to say the one situated close to the coupling structure (3), consists of a strip (18) made of a flexible material, for example rubber, fixed on both sides on the carrier plate (2) and closing the rear wall of the enclosure defined under the carrier plate (2).
- the band (18) acts as a scraper and pushes the debris to the ground by grouping them in the suction zone in correspondence of the nozzle (10).
- the side walls of the skirt (13) connecting the flap (14) and the flexible strip (18) consist of rigid connecting side strips designed to prevent projections on the sides of debris grouped towards the brushes (1) by the strip (18) or the flap (14), depending on whether the vehicle is moving forward or backward.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Cleaning In General (AREA)
Abstract
Description
L'invention concerne un outil de nettoyage de surfaces prévu pour être utilisé sur un véhicule d'entretien de voirie, comme par exemple une balayeuse, de type motorisé ou non.The invention relates to a surface cleaning tool intended to be used on a road maintenance vehicle, such as a sweeper, motorized type or not.
Les véhicules de voirie sont de manière connue composés d'une structure avant qui est destinée au pilotage de l'engin, se prolongeant vers l'arrière par un châssis recevant une cuve qui est prévue pour collecter les déchets qui sont prélevés par des moyens de nettoyage situés en général sous le châssis ou en partie avant du véhicule, par l'intermédiaire d'un système d'aspiration et d'une turbine.The road vehicles are in known manner composed of a front structure which is intended to control the machine, extending rearwardly by a chassis receiving a tank which is intended to collect the waste which is collected by means of generally located under the chassis or at the front of the vehicle, via a suction system and a turbine.
Plus particulièrement, les moyens d'aspiration sont associés à une turbine afin de générer un flux d'air qui permet de prélever des débris ou des déchets présents sur le sol ou sur la surface à traiter, puis d'en assurer le transfert et la dépose à l'intérieur de la cuve réceptrice. Dans les véhicules de nettoyage urbains couramment présents sur le marché, les déchets qui se trouvent sur la zone à nettoyer sont dans un premier temps regroupés dans une zone qui est située sensiblement sous le châssis du véhicule, et ils sont ensuite collectés au moyen du conduit d'aspiration qui est alimenté par la turbine. Cette turbine crée un flux d'air qui a pour effet de permettre le prélèvement des déchets collectés par les brosses et leur transfert au travers du conduit d'aspiration jusqu'à la veine, l'air aspiré étant ensuite évacué vers l'extérieur de la cuve.More particularly, the suction means are associated with a turbine in order to generate an air flow which makes it possible to collect debris or waste present on the ground or on the surface to be treated, then to ensure the transfer and the deposit inside the receiving tank. In urban cleaning vehicles commonly present on the market, the waste that is on the area to be cleaned is initially grouped in an area that is located substantially under the vehicle frame, and they are then collected by means of the conduit. suction which is powered by the turbine. This turbine creates a flow of air which has the effect of allowing the collection of waste collected by the brushes and their transfer through the suction duct to the vein, the sucked air being then evacuated to the outside of tank.
Les solutions de type connu ont montré leur efficacité dans un certain nombre de situations, lorsque la zone à traiter est régulière et ne présente pas des contraintes imposant des manoeuvres ou un fonctionnement en marche arrière, par exemple des déformations au sol, une déclivité ou encore la présence d'obstacles nombreux et asymétriques. Les solutions connues ont cependant montré leurs limites lorsque la voirie ne présente pas une surface homogène. Le problème à résoudre est donc d'optimiser le traitement de surfaces irrégulières, en permettant le passage du véhicule équipé du dispositif de nettoyage aussi bien en marche avant qu'en marche arrière, sans risque de blocage ou d'endommagement des obstacles présents, par exemple un véhicule qui serait garé en bordure de voie. Dans les véhicules de type connu, les moyens de nettoyage sont constitués le plus souvent d'un ensemble comportant au moins deux balais latéraux à brosses rotatives qui sont montées sur un support formé de deux bras articulés autour d'un axe vertical. La buse d'aspiration est placée sous le châssis du véhicule en retrait des brosses. Un véhicule de voirie de ce type est par exemple illustré dans le document
Une première difficulté réside dans le fait que les brosses ne peuvent pas être réglées en temps réel pour s'adapter à la configuration du terrain. On connaît certes des dispositifs qui permettent d'assurer un réglage en hauteur ou en largeur de l'ensemble des nettoyages, voire de chacune des brosses individuellement. Par exemple, le document
Le document
Egalement, les solutions connues présentent un autre inconvénient, lié au regroupement insuffisant des déchets avant passage de l'outil de brossage. Dans les dispositifs connus, les déchets qui sont éparpillés sur la surface à traiter sont plus ou moins ramenés vers le centre du dispositif de nettoyage qui correspond à l'axe central longitudinal du véhicule selon sa direction de déplacement, pour être ensuite aspirés par la buse qui est située en arrière des brosses. Cette configuration laisse sur le sol, et surtout lorsque celui-ci est irrégulier ou lorsque le véhicule doit reculer, de nombreux déchets qui ainsi échappent aux prélèvements, d'où une efficacité amoindrie du nettoyage.Also, the known solutions have another disadvantage, related to the insufficient grouping of waste before passage of the brushing tool. In the known devices, the waste which is scattered over the surface to be treated is more or less reduced towards the center of the cleaning device which corresponds to the longitudinal central axis of the vehicle according to its direction of movement, to then be sucked by the nozzle which is located behind the brushes. This configuration leaves on the ground, and especially when it is irregular or when the vehicle must move back, many waste that escape the samples, resulting in reduced efficiency of cleaning.
L'invention se propose de remédier aux différents inconvénients signalés ci-dessus en réalisant un outil de nettoyage directement solidaire des moyens d'aspiration et comportant un corps recevant une ou plusieurs brosses rotatives mobiles selon trois axes, à l'intérieur duquel une dépression est maintenue en continue pour assurer une parfaite étanchéité, un outil de raclage périphérique placé sous ce corps permettant d'assurer un traitement de la zone lorsque le véhicule recule.The invention proposes to remedy the various disadvantages indicated above by providing a cleaning tool directly integral with the suction means and comprising a body receiving one or more rotating brushes movable along three axes, inside which a depression is maintained continuously to ensure a perfect seal, a peripheral scraping tool placed under this body to ensure a treatment of the area when the vehicle back.
La présente invention sera mieux comprise au travers de la description ci-après d'un mode de réalisation donné à titre d'exemple non limitatif, et en référence aux figures annexées dans lesquelles :
- la
figure 1 est une vue du dessus d'un outil de nettoyage selon l'invention, - la
figure 2 est une vue partielle en coupe du dessus de l'outil de nettoyage selon l'invention. - la
figure 3 est une vue en élévation de trois-quarts avant de l'outil de nettoyage selon l'invention, - la
figure 4 est une vue en élévation de trois-quarts arrière de l'outil de nettoyage selon l'invention, - la
figure 5 est une vue latérale de la partie avant de l'outil de nettoyage, en position de travail, - la
figure 6 est une vue latérale de la partie avant de l'outil de nettoyage, en position relevée, - la
figure 7 est une vue schématique de détail montrant l'extrémité avant de l'outil de nettoyage, le véhicule étant en marche avant, et - la
figure 8 est une vue schématique de détail montrant l'extrémité avant de l'outil de nettoyage, le véhicule étant en marche arrière.
- the
figure 1 is a view from above of a cleaning tool according to the invention, - the
figure 2 is a partial sectional view of the top of the cleaning tool according to the invention. - the
figure 3 is an elevational view of three-quarters front of the cleaning tool according to the invention, - the
figure 4 is a three-quarter rear elevational view of the cleaning tool according to the invention, - the
figure 5 is a side view of the front part of the cleaning tool, in working position, - the
figure 6 is a side view of the front portion of the cleaning tool, in the raised position, - the
figure 7 is a schematic detail view showing the front end of the cleaning tool, the vehicle being in forward motion, and - the
figure 8 is a schematic detail view showing the front end of the cleaning tool, the vehicle being in reverse.
De manière classique, l'outil de nettoyage selon l'invention est monté sur un véhicule composé d'un châssis sur lequel sont montés une cabine en partie avant, une cuve en partie arrière, et comprend des moyens d'aspiration et des moyens de brossage. Ces différents éléments sont bien connus et ne sont donc pas représentés ou détaillés sur les figures.In a conventional manner, the cleaning tool according to the invention is mounted on a vehicle composed of a frame on which are mounted a cabin in the front part, a tank in the rear part, and comprises suction means and control means. brushing. These various elements are well known and are therefore not shown or detailed in the figures.
Les moyens de brossage comportent au moins un balai rotatif, monté en avant du véhicule sur un plateau porteur relié à une structure d'accouplement au châssis du véhicule, comportant des moyens pour assurer un réglage de la position du balai selon au moins deux directions, chacune indépendamment de l'autre. Dans l'exemple de réalisation donné dans la description et représenté sur les figures annexées, et notamment la
Le plateau porteur (2) est constitué d'un élément de forme sensiblement triangulaire, dont la partie élargie, correspondant à la base du triangle, est disposée vers l'avant selon le sens de déplacement du véhicule et la partie arrière rétrécie, correspondant au sommet du triangle, est reliée à l'extrémité libre d'une structure articulée (3) saillante en avant du châssis du véhicule. La structure (3), qui sera décrite plus en détail ci-après, est prévue pour relier l'outil de nettoyage au châssis du véhicule, en autorisant une pose, respectivement une dépose rapide, et pour raccorder les moyens d'aspiration, notamment une buse (10).The carrier plate (2) consists of an element of substantially triangular shape, the enlarged portion corresponding to the base of the triangle, is disposed forwardly in the direction of travel of the vehicle and the rear part narrowed, corresponding to the top of the triangle, is connected to the free end of a hinged structure (3) protruding forward of the vehicle frame. The structure (3), which will be described in more detail below, is provided for connecting the cleaning tool to the chassis of the vehicle, allowing installation or rapid removal, and for connecting the suction means, in particular a nozzle (10).
Les balais (1) sont montées sur le plateau porteur (2) selon un axe vertical perpendiculaire par rapport à l'axe longitudinal de l'outil, de telle sorte que deux des balais soient disposés chacun à une des deux extrémités latérales de la partie élargie du plateau porteur (2), et le troisième balai en arrière à l'extrémité de la partie rétrécie dudit plateau porteur, les axes des trois balais (1) formant ainsi un triangle. Le plateau porteur (2) est monté en extrémité de la structure d'accouplement (3) qui est commandée par un vérin de basculement (4). Sous l'action du vérin (4), la structure (3), et donc le plateau porteur (2) avec les brosses (1), peuvent être déplacés dans le plan horizontal, de la droite vers la gauche et inversement, selon l'axe longitudinal de déplacement du véhicule.The brushes (1) are mounted on the carrier plate (2) along a vertical axis perpendicular to the longitudinal axis of the tool, so that two of the brushes are each arranged at one of the two lateral ends of the part widened carrier plate (2), and the third broom back to the end of the narrowed portion of said carrier plate, the axes of the three brushes (1) thus forming a triangle. The carrier plate (2) is mounted at the end of the coupling structure (3) which is controlled by a tilt cylinder (4). Under the action of the cylinder (4), the structure (3), and therefore the carrier plate (2) with the brushes (1), can be moved in the horizontal plane, from right to left and vice versa, according to the longitudinal axis of movement of the vehicle.
Le déplacement du plateau porteur (2) dans le plan vertical est commandé par le système de relevage du véhicule (non représenté), qui est directement associé à la structure d'accouplement (3) au moyen d'un axe (27) amovible.The displacement of the carrier plate (2) in the vertical plane is controlled by the lifting system of the vehicle (not shown), which is directly associated with the coupling structure (3) by means of a shaft (27) removable.
La
Les moyens d'aspiration comportent une turbine (non représentée), de type classique (et qui de ce fait ne sera pas décrite dans la suite de la description) et un conduit flexible (11) coopérant avec la turbine. Une des extrémités du conduit (11) est reliée à la cuve de collecte au moyen d'une platine d'accouplement (12), et l'autre extrémité est prolongée par la buse d'aspiration (10) positionnée au dessus des balais (1), et prévue pour assurer la collecte des déchets ramenés par les balais (1) vers l'axe central du véhicule.The suction means comprise a turbine (not shown) of conventional type (and which will therefore not be described in the following description) and a flexible conduit (11) cooperating with the turbine. One of the ends of the conduit (11) is connected to the collection tank by means of a coupling plate (12), and the other end is extended by the suction nozzle (10) positioned above the brushes ( 1), and provided to ensure the collection of waste brought by the brushes (1) towards the central axis of the vehicle.
L'ensemble conduit flexible / buse d'aspiration (10 et 11) est relié au plateau porteur (2) par deux parallélogrammes (5a, 5b) articulés identiques, qui sont disposés à l'opposé l'un de l'autre aux extrémités latérales arrières du plateau porteur (2). Plus particulièrement, et comme on le voit à la
Ces modalités structurelles permettent donc un déplacement en temps réel du plateau porteur (2) avec les balais (1) selon plusieurs directions, ici trois : par glissement dans le plan horizontal au moyen du vérin (4) ou dans le plan vertical et par basculement autour de l'axe longitudinal du véhicule. On optimise l'efficacité de la collecte des déchets qui sont regroupés par les balais (1), en générant un flux d'air directement à travers les brosses et en réduisant au minimum la distance qui sépare le point de regroupement des déchets de leur point d'aspiration.These structural modalities therefore allow a real-time displacement of the carrier plate (2) with the brushes (1) in several directions, here three: by sliding in the horizontal plane by means of the jack (4) or in the vertical plane and by tilting around the longitudinal axis of the vehicle. The efficiency of the collection of waste that is grouped by the brushes (1) is optimized by generating a flow of air directly through the brushes and minimizing the distance between the point of consolidation of the waste and its point. suction.
Sur le dessus du plateau porteur (2), entre les extrémités supérieures des deux parallélogrammes (5a, 5b), on dispose un réservoir (8) pour des produits de nettoyage, dont le débit est commandé par une pompe doseuse (9).On the top of the carrier plate (2), between the upper ends of the two parallelograms (5a, 5b), there is a reservoir (8) for cleaning products, the flow rate is controlled by a metering pump (9).
Le bloc de nettoyage étant articulé en extrémité d'une structure permettant un mouvement selon au moins deux directions, ses déplacements sont directement induits par les obstacles rencontrés et/ou les particularités de la zone à traiter, et il n'est plus nécessaire d'associer au bloc de nettoyage des éléments de support en contact avec le sol, comme par exemples des roulettes, comme cela restait nécessaire avec les solutions illustrées par les documents connus de l'art antérieur.The cleaning block being hinged at the end of a structure allowing movement in at least two directions, its movements are directly induced by the obstacles encountered and / or the peculiarities of the area to be treated, and it is no longer necessary to associating with the cleaning block support elements in contact with the ground, such as for example wheels, as was necessary with the solutions illustrated by the known documents of the prior art.
En effet, comme on le voit sur les
On supprime ainsi un élément qui parfois constituait le maillon faible des ensembles de nettoyage, en raison de sa fragilité et de son usure rapide.This eliminates an element that sometimes constituted the weakest link cleaning sets, because of its fragility and its rapid wear.
Pour absorber d'éventuels chocs latéraux, on prévoit un galet (26), amortisseur à chacune des deux extrémités avant du plateau porteur (2). Les galets (26), qui sont en rotation libre autour d'un axe vertical, permettent de replacer l'outil dans sa position optimale de fonctionnement en cas d'impact sur l'un ou l'autre des côtés du plateau porteur (2).To absorb any lateral shocks, there is provided a roller (26), damper at each of the two front ends of the carrier plate (2). The rollers (26), which are freely rotatable about a vertical axis, enable the tool to be returned to its optimum operating position in the event of impact on either side of the carrier plate (2 ).
Le plateau porteur (2) est doté à sa base d'une jupe périphérique (13) réalisée dans un matériau souple.The carrier plate (2) is provided at its base with a peripheral skirt (13) made of a flexible material.
La jupe (13) comporte différentes parties qui vont être décrites ci-dessous, et dont les dimensions sont déterminées de manière à recouvrir l'espace subsistant entre le bord inférieur du plateau porteur (2) et le sol lorsque l'outil est en position d'utilisation - c'est-à-dire les brosses étant en contact avec sol - pour ainsi définir une enceinte confinée sous ledit plateau porteur (2).The skirt (13) comprises different parts that will be described below, and whose dimensions are determined so as to cover the space remaining between the lower edge of the carrier plate (2) and the ground when the tool is in position use - that is to say, the brushes being in contact with the ground - so to define a confined enclosure under said carrier plate (2).
La présence d'une jupe périphérique partiellement étanche permet d'une part de maintenir les déchets qui sont collectés dans la zone d'aspiration telle que définie ci-avant, en évitant des projections et des pertes vers l'extérieur, et surtout de maintenir à l'intérieur de l'enceinte formée entre la paroi inférieure du plateau porteur (2) et le sol une dépression pour ainsi optimiser l'effet d'aspiration.The presence of a partially impermeable peripheral skirt makes it possible on the one hand to maintain the waste that is collected in the suction zone as defined above, avoiding projections and losses to the outside, and especially to maintain inside the enclosure formed between the lower wall of the carrier plate (2) and the ground a depression to thereby optimize the suction effect.
En effet, en maintenant dans la zone confinée formée sous le plateau porteur (2) une pression inférieure à la pression atmosphérique, on maintient les déchets à l'intérieur de cette zone, et leur collecte par aspiration s'en trouve facilitée.Indeed, by maintaining in the confined area formed under the carrier plate (2) a pressure below atmospheric pressure, the waste is maintained within this area, and their collection by suction is facilitated.
Le différentiel de pression entre, d'une part cette enceinte confinée qui correspond à la zone traitée par le bloc de nettoyage, et d'autre part le milieu extérieur, peut être réglé en ajustant depuis la cabine de commande le régime de la turbine reliée à l'autre extrémité du conduit flexible (11) et communiquant avec la cuve à déchets.The pressure differential between, on the one hand, this confined chamber which corresponds to the zone treated by the cleaning block, and on the other hand the external environment, can be adjusted by adjusting from the control cabin the speed of the connected turbine. at the other end of the flexible conduit (11) and communicating with the waste tank.
On observera dès ce stade que la combinaison des différentes particularités décrites ci-dessus permet grandement d'améliorer les performances de nettoyage.It will be observed at this stage that the combination of the different features described above greatly improves the cleaning performance.
La partie avant de la jupe (13), c'est-à-dire celle située à l'opposé de la structure d'accouplement (3), est constituée d'une bavette (14) mobile, articulée sur une charnière (15). La bavette (14) est associée à des moyens de pivotement permettant de basculer la charnière lorsque le véhicule est en marche arrière, de telle sorte que la bavette (14) racle le sol.The front part of the skirt (13), that is to say the one situated opposite the coupling structure (3), consists of a flap (14) movable, articulated on a hinge (15). ). The flap (14) is associated with pivoting means for tilting the hinge when the vehicle is in reverse, so that the flap (14) scrapes the ground.
Plus particulièrement, les moyens de pivotement sont constitués d'inverseurs (16) latéraux comportant chacun une partie supérieure droite d'axe parallèle à la bavette (14) et faisant fonction de surface de liaison, prolongée par une partie inférieure recourbée vers l'avant, dont la longueur est définie de manière à ce que son extrémité libre affleure le sol lorsque le véhicule est en position de marche avant, l'outil étant parallèle au sol.More particularly, the pivoting means consist of lateral inverters (16) each comprising a straight upper part of axis parallel to the flap (14) and acting as a connecting surface, extended by a lower part bent forwardly. , whose length is defined so that its free end is flush with the ground when the vehicle is in the forward position, the tool being parallel to the ground.
En marche avant, et dans la mesure où une dépression est maintenue dans l'enceinte créée sous le plateau porteur (2), la bavette (14) est repoussée vers l'arrière et maintenue en position haute par les inverseurs (16) et/ou par le flux d'air aspiré à travers le plateau porteur (2), dès contact avec le sol, comme on le voit en
En marche arrière, les inverseurs (16) reprennent une position haute en basculant vers l'avant, avec un déplacement corrélatif vers le bas de la bavette (14) qui ne sera pas bloquée en position haute et fera alors office de racleur, comme on le voit
Selon d'autres formes possibles de réalisation, ce mouvement de basculement peut aussi être commandé par tout autre moyen (vérin hydraulique ou électrique ou câble etc.... extérieur en remplacement ou en complément de l'inverseur (16).According to other possible embodiments, this tilting movement can also be controlled by any other means (hydraulic or electrical jack or cable etc .... outside replacing or in addition to the inverter (16).
La bavette (14) traite ainsi l'intégralité de la surface concernée en ramenant vers les balais rotatifs (1) les déchets et particules qui y sont présents pour permettre leur aspiration avec la même efficacité que lorsque le véhicule est en marche avant, tout en gérant le volume d'air admis dans l'enceinte formée sous le plateau porteur (2) lorsque le véhicule est en marche avant, afin de maintenir une alimentation suffisante pour assurer une aspiration efficace sans pour autant faire chuter la dépression volontairement entretenue sous le plateau porteur (2).The flap (14) thus treats the entire surface concerned by bringing back to the rotary brushes (1) the waste and particles that are present to allow their suction with the same efficiency as when the vehicle is in forward movement, while managing the volume of air admitted into the enclosure formed under the carrier plate (2) when the vehicle is in forward motion, in order to maintain a sufficient supply to ensure efficient suction without dropping the voluntarily maintained depression under the tray carrier (2).
La partie arrière de la jupe (13), c'est-à-dire celle située à proximité de la structure d'accouplement (3), est constituée par une bande (18) réalisée dans un matériau souple, par exemple du caoutchouc, fixée de part et d'autre sur le plateau porteur (2) et venant fermer la paroi arrière de l'enceinte définie sous le plateau porteur (2). En marche avant, la bande (18) fait fonction de racleur et repousse les débris au sol en les regroupant dans la zone d'aspiration en correspondance de la buse (10).The rear part of the skirt (13), that is to say the one situated close to the coupling structure (3), consists of a strip (18) made of a flexible material, for example rubber, fixed on both sides on the carrier plate (2) and closing the rear wall of the enclosure defined under the carrier plate (2). In forward movement, the band (18) acts as a scraper and pushes the debris to the ground by grouping them in the suction zone in correspondence of the nozzle (10).
Enfin, les parois latérales de la jupe (13) reliant la bavette (14) et la bande souple (18) sont constituées de bandes latérales de liaison rigides destinées à empêcher les projections sur les côtés de débris regroupés vers les balais (1) par la bande (18), respectivement la bavette (14), selon que le véhicule est en marche avant ou arrière.Finally, the side walls of the skirt (13) connecting the flap (14) and the flexible strip (18) consist of rigid connecting side strips designed to prevent projections on the sides of debris grouped towards the brushes (1) by the strip (18) or the flap (14), depending on whether the vehicle is moving forward or backward.
La description qui précède permet de constater les apports de l'outil de nettoyage selon l'invention. Le maintien d'une dépression ininterrompue dans l'outil de nettoyage combiné au positionnement de la buse d'aspiration directement dans le bloc de nettoyage et au travers des brosses, avec une mobilité en temps réel dudit bloc selon au moins deux directions élimine en très grande partie tout risque de perke ou d'oubli sur le sol des particules et déchets ressemblés. Cette modalité originale permet au véhicule de travailler en marche arrière avec la même efficacité et les mêmes performances que lorsqu'il est en marche avant.The above description makes it possible to note the contributions of the cleaning tool according to the invention. The maintenance of an uninterrupted depression in the cleaning tool combined with the positioning of the suction nozzle directly in the cleaning block and through the brushes, with a real-time mobility of said block in at least two directions eliminates in very much of all risk of perke or forgetfulness on the ground of particles and similar waste. This original mode allows the vehicle to work in reverse with the same efficiency and performance as when it is moving forward.
Claims (7)
sur lequel sont montés une cabine en partie avant, une cuve en partie arrière, et un outil de nettoyage associant des moyens d'aspiration et des moyens de brossage composés d'au moins un balai rotatif (1) d'axe vertical à l'avant du châssis,
lesdits moyens de brossage étant disposés sur un plateau porteur (2) doté à sa base d'une jupe périphérique (13) définissant une enceinte,
et lesdits moyens d'aspiration comportant une buse d'aspiration (10) positionnée au dessus des moyens de brossage (1), pour générer un flux d'air directement à travers lesdits moyens de brossage, la jupe (13) comportant à l'avant une bavette (14), articulée sur une charnière (15) associée à des moyens de pivotement pour basculer ladite charnière lorsque le véhicule est en marche arrière, de telle sorte que ladite bavette racle le sol,
caractérisé en ce que les moyens de pivotement sont constitués d'inverseurs (16) latéraux dont la longueur est définie de manière à ce que leurs extrémités libres affleurent le sol lorsque le véhicule est en position de marche avant, l'outil étant parallèle au sol, et la bavette (14) étant repoussée vers l'arrière et maintenue en position haute par lesdits inverseurs (16) et/ou par le flux d'air aspiré à travers le plateau porteur (2), dès contact avec le sol.Surface cleaning tool for a road maintenance vehicle of the type comprising a chassis
on which are mounted a cabin at the front, a tank at the rear, and a cleaning tool combining suction means and brushing means composed of at least one rotary broom (1) of vertical axis to the front of the chassis,
said brushing means being arranged on a carrier plate (2) provided at its base with a peripheral skirt (13) defining an enclosure,
and said suction means having a suction nozzle (10) positioned above the brushing means (1), for generating a flow of air directly through said brushing means, the skirt (13) comprising at least one before a flap (14), articulated on a hinge (15) associated with pivoting means for tilting said hinge when the vehicle is in reverse, so that said flap scrapes the ground,
characterized in that the pivoting means are constituted by lateral inverters (16) whose length is defined so that their free ends are flush with the ground when the vehicle is in the forward position, the tool being parallel to the ground , and the flap (14) being pushed backwards and maintained in the up position by said inverters (16) and / or by the air flow sucked through the carrier plate (2), as soon as the floor is touched.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1103244A FR2981670A1 (en) | 2011-10-24 | 2011-10-24 | TOOL FOR CLEANING SURFACES FOR ROAD MAINTENANCE VEHICLES |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2586916A1 true EP2586916A1 (en) | 2013-05-01 |
EP2586916B1 EP2586916B1 (en) | 2016-06-22 |
Family
ID=47002777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12188678.2A Not-in-force EP2586916B1 (en) | 2011-10-24 | 2012-10-16 | Surface-cleaning tool for road maintenance vehicles |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2586916B1 (en) |
FR (1) | FR2981670A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057154B (en) * | 1956-08-09 | 1959-05-14 | Fritz Roth K G | Round brooms for sweepers |
US3474483A (en) * | 1967-03-13 | 1969-10-28 | Carl E Heidland | Trash picker |
US4320556A (en) * | 1980-09-12 | 1982-03-23 | Tennant Company | Surface maintenance equipment |
DE9115578U1 (en) | 1991-12-16 | 1992-02-20 | Fa. Horst Ochsenfeld, O-6500 Gera | Scrubber dryer |
WO1998048116A1 (en) * | 1997-04-23 | 1998-10-29 | Disab Vacuum Technology Ab | Sweeping machine |
US20030070252A1 (en) * | 2001-10-12 | 2003-04-17 | Roger Pedlar | Scrubbing machine passive recycling |
DE202006006573U1 (en) | 2006-04-25 | 2006-07-06 | Airmatic Gesellschaft für Umwelt und Technik mbH | Device for cleaning floor surfaces |
-
2011
- 2011-10-24 FR FR1103244A patent/FR2981670A1/en not_active Withdrawn
-
2012
- 2012-10-16 EP EP12188678.2A patent/EP2586916B1/en not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057154B (en) * | 1956-08-09 | 1959-05-14 | Fritz Roth K G | Round brooms for sweepers |
US3474483A (en) * | 1967-03-13 | 1969-10-28 | Carl E Heidland | Trash picker |
US4320556A (en) * | 1980-09-12 | 1982-03-23 | Tennant Company | Surface maintenance equipment |
DE9115578U1 (en) | 1991-12-16 | 1992-02-20 | Fa. Horst Ochsenfeld, O-6500 Gera | Scrubber dryer |
WO1998048116A1 (en) * | 1997-04-23 | 1998-10-29 | Disab Vacuum Technology Ab | Sweeping machine |
US20030070252A1 (en) * | 2001-10-12 | 2003-04-17 | Roger Pedlar | Scrubbing machine passive recycling |
DE202006006573U1 (en) | 2006-04-25 | 2006-07-06 | Airmatic Gesellschaft für Umwelt und Technik mbH | Device for cleaning floor surfaces |
Also Published As
Publication number | Publication date |
---|---|
FR2981670A1 (en) | 2013-04-26 |
EP2586916B1 (en) | 2016-06-22 |
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