EP3708712B1 - Pneumatic barrier - Google Patents

Pneumatic barrier Download PDF

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Publication number
EP3708712B1
EP3708712B1 EP20155542.2A EP20155542A EP3708712B1 EP 3708712 B1 EP3708712 B1 EP 3708712B1 EP 20155542 A EP20155542 A EP 20155542A EP 3708712 B1 EP3708712 B1 EP 3708712B1
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EP
European Patent Office
Prior art keywords
tubular sleeve
barrier
compressed air
pneumatic
unwound
Prior art date
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EP20155542.2A
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German (de)
French (fr)
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EP3708712A1 (en
Inventor
Bernhard Reisinger
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Individual
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/024—Removable barriers with permanently installed base members, e.g. to provide occasional passage
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/028—Flexible barrier members, e.g. cords; Means for rendering same conspicuous; Adapted supports, e.g. with storage reel
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/048—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates

Definitions

  • the present invention relates to a pneumatic barrier which comprises a housing in which a tubular casing and means connected to the tubular casing for supplying and removing compressed air into / from the tubular casing are arranged, the tubular casing has at least one spring element along its substantially entire length, which holds the tubular cover in a rolled-up basic state of the tubular cover, whereby the tubular cover counteracts the spring force of the at least by subjecting the tubular cover to compressed air by the means for supplying and removing compressed air a spring element is brought from the rolled-up basic state of the tubular sheath into a rolled-out operating state of the tubular sheath and when the tubular sheath is moved from its rolled-out operating state to its rolled-up basic state by the spring force of the at least one Spring element, the compressed air contained in the tubular sleeve escapes via the means for supplying and removing compressed air.
  • barriers which usually consist of a movable rod and one or two supports, the rod also being referred to as a barrier boom, have been known for a long time.
  • Such barriers in particular acting as road locks for vehicles, are often used at level crossings, toll booths, parking garages, forest roads, but also in public spaces, as well as on private or internal premises.
  • the movable barrier booms to prevent a vehicle from passing through are usually made of a solid material, for example metal, in particular aluminum, a metal alloy or a plastic reinforced with organic or inorganic fibers, in particular glass fiber reinforced plastic or carbon fiber reinforced plastic.
  • barrier booms made of metal or plastic has often proven to be disadvantageous, because when the vehicle passes the barrier, it is caused by a driving error by the vehicle user or also due to a technical defect in the barrier when the vehicle makes contact with the barrier or the barrier makes contact with the vehicle, damage to the vehicle and / or the barrier can occur.
  • barriers are known, in particular in parking garages and similar applications, which have an obstacle detection established by appropriate sensors, this obstacle detection merely making contact between the vehicle and the barrier can prevent when the barrier boom moves from a vertical alignment of the barrier boom into a horizontal alignment of the barrier boom and the vehicle is in the area detected by the sensors during this movement of the barrier boom. Damage to the vehicle and / or the barrier due to unintentional contact with the barrier by the vehicle in the horizontal alignment of the barrier boom, on the other hand, cannot be prevented at all with such an obstacle detection.
  • Pneumatic barriers according to the preamble of claim 1 are off WO 2001/38644 A1 and KR 2015 0000879 U known. Furthermore, pneumatic barriers are off EP 2 037 044 A1 known.
  • Pneumatic barriers known from the prior art do not have any means which counteract an inclination of the barrier caused by gravity in its rolled-out operating state in the direction of the floor, which disadvantageously cannot guarantee a horizontal alignment of the barrier in its rolled-out operating state.
  • the object of the invention is therefore to provide a barrier which avoids the disadvantages of the prior art.
  • the pneumatic barrier according to the invention has at least one spring element along its tubular sheath along its essentially entire length, which spring element holds the tubular sheath in a rolled-up basic state of the tubular sheath.
  • the tubular casing When the tubular casing is moved from its rolled-out operating state to its rolled-up basic state by the spring force of the at least one spring element, the compressed air contained in the tubular casing escapes via the means for supplying and removing compressed air.
  • the advantage is thus obtained that even if the barrier is contacted by a vehicle or the vehicle is contacted by the barrier, no or only very little damage occurs to the vehicle and / or the barrier and that the support element closes the pneumatic barrier when it is extended their operating state counteracts a possible inclination of the tubular casing and keeps it in a horizontal orientation at all times.
  • the pneumatic barrier is used at a level crossing, for example, the vehicle can easily get out of the danger area onto the railroad tracks without damaging the vehicle or those inside People are exposed to an additional risk from the collision with the hard barriers.
  • such a pneumatic barrier solves the problem of damage to vehicles and / or barriers, for example in parking garages when entering and leaving or in industrial halls when marking safety zones, since the vehicles when they come into contact with the hose-like cover filled with compressed air just like the hose-like cover Cover remain undamaged.
  • the pneumatic barriers in particular open up the new possibility of wrong-way drivers who move their vehicle against the prescribed direction of travel, especially on motorway entrances, particularly effectively to indicate their incorrect behavior, since the vehicle comes into contact with the pneumatic barrier at an increased speed of the wrong-way driving vehicle, the visual and acoustic warning effect for the wrong-way driver is very high, but the vehicle is not significantly damaged and is not braked abruptly. Furthermore, contacting the vehicle in this way through the pneumatic barrier has a far greater signaling effect than the yellow warning signs used on motorway entrances in Austria.
  • the pneumatic barrier also advantageously has a low energy consumption, since the tubular casing is only extended and retracted via the means for supplying and removing the compressed air and no further electric motors are required.
  • the tubular cover which acts as a barrier boom, is always inside the housing of the barrier, which means that it is protected from dust and dirt.
  • the at least one spring element is formed from steel, in particular from spring steel.
  • the at least one spring element is a spiral spring or a scroll spring.
  • the speed at which the tubular casing is brought from its basic state to its operating state and from its operating state to its basic state is set by a pressure control valve connected to the means for supplying and removing the compressed air.
  • the barrier can advantageously be retracted and extended at a speed suitable for the respective application. For example, when the barrier is used as protection against wrong-way driving, the barrier can be extended very quickly, while when used in a parking garage it can be extended at a slower speed than in the aforementioned case.
  • the tubular casing in its operating state is received in a support at its end facing away from the housing.
  • the support can, for example, have a V-shape in which the barrier boom of the pneumatic barrier is received.
  • the tubular casing has a round, rectangular or triangular cross-section in its operating state.
  • the optical appearance of the barrier can thus be determined by the selection of the cross section.
  • the tubular casing has lighting means along its substantially entire length.
  • the barrier can thus advantageously be perceived even better by a vehicle driver. This is particularly important in poor lighting conditions, for example when dazzled by sunlight or in the dark.
  • the barrier can be used as a red light support at crossings in train or pedestrian passages, in which case the barrier can extend and retract with a time delay in relation to the red light.
  • the barrier also has a telecommunication unit and at least one pressure sensor connected to the telecommunication unit for periodically determining the pressure applied by the means for supplying and removing compressed air.
  • the telecommunication unit is designed to, upon detection of falling below a preset minimum pressure and exceeding of a preset maximum pressure by the at least one pressure sensor to transmit a message which signals that the preset minimum pressure has not been reached or that the preset maximum pressure has been exceeded to a receiving device, in particular a mobile phone.
  • the barrier is supplied with power via an accumulator.
  • an accumulator This advantageously eliminates the need for a power connection at the place of use of the pneumatic barrier, so that the place of use of the pneumatic barrier is extremely flexible.
  • the barrier can be set up to protect workers on the street or on the motorway, whereby the barrier can be placed on the hard shoulder or in parking lots and the area to be protected can be cordoned off by extending the tubular cover. Due to its low weight compared to a conventional barrier, the barrier can be mounted on a tripod, for example.
  • the barrier can also be mounted at the rear of a vehicle, for example at the rear of a truck or a van, in order to protect the exiting driver of the vehicle from the following traffic, in which case the barrier can be connected to the compressed air system of the vehicle .
  • Figure 1 shows a pneumatic barrier 1, which has a housing 2 and means for supplying and removing compressed air 4. Furthermore, the pneumatic barrier 1 has a tubular sheath 3, which is connected to the means for supplying and removing compressed air 4 via compressed air connection means 12.
  • the compressed air connection means 12 can be configured, for example, as a compressed air hose.
  • the pneumatic barrier 1 can have a curtain 11 on its housing 2, which is preferably made of plastic or aluminum and is suitable for protecting the components of the pneumatic barrier 1 accommodated in the housing 2, in particular the tubular cover 3, from dust and rain to protect.
  • the curtain 11 can also be selected from another, preferably corrosion-resistant and water-repellent material.
  • the pneumatic barrier 1 can also have a pneumatically controllable flap to protect the components accommodated in the housing 2.
  • the tubular sheath 3 furthermore has at least one spring element 5 along its essentially entire length and is located in FIG Figure 1
  • the illustrated embodiment in a rolled-up basic state 6 of the tubular casing 3, in which the tubular casing 3 is not acted upon by the means for supplying and removing compressed air 4.
  • the at least one spring element 5 can be connected to the tubular sleeve 3, for example, by an adhesive connection or by another material connection, but alternatively also by a suitable form-fitting or force-fitting connection.
  • the at least one spring element 5 of the tubular sheath 3 holds the tubular sheath 3 in its rolled-up basic state 6 through its spring force other suitable spring type and any other suitable spring material for the at least one spring element 5 can be used.
  • the at least one spring element 5 can be a thermally preformed spring steel with a different width and thickness.
  • the spring elements 5 can also be combined in such a way that each spring element 5 has a different width and thickness.
  • the tubular sheath 3 was rolled out from the rolled-up basic state 6 of the tubular sheath 3 into a rolled out state 6 of the tubular sheath 3 against the spring force of the at least one spring element 5 by applying compressed air to the tubular sheath 3 by the means for supplying and discharging compressed air 4
  • Operating state 7 of the tubular casing 3 spent.
  • the tubular cover 3 functions as a barrier boom, whereby, due to the material-related properties of the tubular cover 3, no damage to a vehicle and no injury to a person occurs when it comes into contact with the tubular cover 3, the tubular cover 3 being preferred is made of a plastic.
  • the at least one spring element 5 can be arranged on the upper side and / or the lower side of the tubular casing 3. In addition, at least one spring element 5 can also be arranged along the side surfaces of the tubular casing 3. For example, by arranging several spring elements 5 on the tubular cover 3, the resulting increased rigidity of the tubular cover 3 counteracts any inclination of the tubular cover 3 in its rolled out operating state 7.
  • the tubular casing 3 When the supply of compressed air is interrupted, the tubular casing 3 is returned to its rolled-up basic state 6 from its rolled-out operating state 7 by the spring force of the at least one spring element 5, with the compressed air contained in the tubular casing 3 via the means for supplying and removing compressed air 4 escapes.
  • the means for supplying and removing compressed air 4 can, as in Figure 2 shown, comprise a compressor 13, which is connected to a compressed air reservoir 14 via compressed air connection means 12, as well as a pressure regulating valve 9.
  • the compressed air reservoir 14 can be formed, for example, from three compressed air storage bottles connected to one another, with a different number of compressed air storage bottles also being possible.
  • another suitable pressure storage vessel can also be used as a compressed air storage device.
  • the barrier can also be connected directly to the compressed air network without storage.
  • the amount of compressed air which is supplied to the tubular casing can be regulated via the pressure regulating valve 9.
  • compressed air can thus be supplied from the compressed air reservoir 14 via the compressed air connection means 12 to the pressure regulating valve 9 in such a way that only the amount of compressed air corresponding to the setting of the pressure regulating valve 9 reaches the tubular casing 3 via the pressure regulating valve 9 and the excess compressed air escapes via the pressure regulating valve 9.
  • the speed at which the hose-like sheath 3 is brought into its operating state 7 can thus be set in an uncomplicated manner via the pressure regulating valve 9.
  • the compressed air pressed from the tubular casing 3 by the spring force of the at least one spring element 5 can also escape via the pressure regulating valve 9.
  • the speed at which the tubular sheath 3 is brought into its rolled-up basic state 6, can be set via the pressure control valve 9.
  • the means for supplying and removing compressed air 4 can also have a vent valve 15, via which the compressed air pressed from the tubular sleeve 3 escapes when the tubular casing 3 is moved from its rolled-out operating state 7 to its rolled-up basic state 6.
  • the vent valve 15 and / or the pressure regulating valve 9 can have a sound-absorbing element in order to reduce the volume of the pneumatic barrier 1 during operation.
  • the speed of transfer from the basic state 6 to the operating state 7 and the speed of the transfer from the operating state 7 to the basic state 6 can be different.
  • the valve setting of the flow rate of the compressed air via the valve setting of the flow rate of the compressed air, the change between the basic state 6 and the operating state 7 between a fast and slow retraction and extension of the hose-like cover 3 can be smoothly adjusted.
  • the tubular sheath 3 according to the invention in its rolled-out operating state 7 has a support element 8, in particular a cable train, along its essentially entire length.
  • the support element 8 is designed as a support element having a multiplicity of chain-like elements connected to one another.
  • the support element 8 counteracts a possible inclination of the tubular casing 3 and keeps it in a horizontal orientation at all times.
  • the support element 8 can also be configured from lego-brick-like plastic elements that can be connected to one another.
  • the tubular casing 3 can be received in a support, which is not shown in the figures, the part of the support receiving the tubular casing 3 preferably having a V-shape.
  • the part of the support that receives the tubular sheath 3 can also have a different shape, for example a U-shape, a semicircular shape, a triangular shape or a square shape, as well as any other shape suitable for receiving the tubular sheath 3.
  • the tubular sheath 3 can also have different cross-sections, preferably a triangular, square or round cross-section, other cross-sectional shapes also being possible.
  • the barrier can be produced in any color and with any paintwork, as well as with any lettering.
  • the tubular casing 3 can have lighting means 10 along its essentially entire length.
  • the interior of the housing 2 can also be illuminated by lighting means.
  • the lighting means 10 can be designed, for example, as LED lighting means or halogen lighting means.
  • the pneumatic barrier 1 can be supplied via an accumulator 16 which can be arranged in the housing 2.
  • the pneumatic barrier 1 can thus be used independently of the presence of a stationary power supply, which means that it can be used in an extremely versatile manner.

Description

Die vorliegende Erfindung betrifft eine pneumatische Schranke, welche ein Gehäuse umfasst, in welchem eine schlauchförmige Hülle, sowie mit der schlauchförmigen Hülle verbundene Mittel zum Zu- und Abführen von Druckluft in die/aus der schlauchförmige(n) Hülle angeordnet sind, wobei die schlauchförmige Hülle entlang ihrer im Wesentlichen gesamten Länge zumindest ein Federelement aufweist, welches die schlauchförmige Hülle in einem eingerollten Grundzustand der schlauchförmigen Hülle hält, wobei durch Beaufschlagen der schlauchförmigen Hülle mit Druckluft durch die Mittel zum Zu- und Abführen von Druckluft die schlauchförmige Hülle entgegen der Federkraft des zumindest einen Federelementes aus dem eingerollten Grundzustand der schlauchförmigen Hülle in einen ausgerollten Betriebszustand der schlauchförmigen Hülle verbracht wird und beim Verbringen der schlauchförmigen Hülle aus ihrem ausgerollten Betriebszustand in ihren eingerollten Grundzustand durch die Federkraft des zumindest einen Federelementes die in der schlauchförmigen Hülle enthaltene Druckluft über die Mittel zum Zu- und Abführen von Druckluft entweicht.The present invention relates to a pneumatic barrier which comprises a housing in which a tubular casing and means connected to the tubular casing for supplying and removing compressed air into / from the tubular casing are arranged, the tubular casing has at least one spring element along its substantially entire length, which holds the tubular cover in a rolled-up basic state of the tubular cover, whereby the tubular cover counteracts the spring force of the at least by subjecting the tubular cover to compressed air by the means for supplying and removing compressed air a spring element is brought from the rolled-up basic state of the tubular sheath into a rolled-out operating state of the tubular sheath and when the tubular sheath is moved from its rolled-out operating state to its rolled-up basic state by the spring force of the at least one Spring element, the compressed air contained in the tubular sleeve escapes via the means for supplying and removing compressed air.

Auf dem Gebiet der baulichen Vorrichtungen zum Sperren von Wegen sind herkömmliche Schranken, welche üblicherweise aus einer beweglichen Stange sowie ein bis zwei Stützen bestehen, wobei die Stange auch als Schrankenbaum bezeichnet wird, seit langem bekannt. Derartige, insbesondere als Wegsperre für Fahrzeuge fungierende Schranken sind häufig an Bahnübergängen, Mautstellen, Parkhäusern, Forstwegen aber auch im öffentlichen Raum, sowie in privatem oder innerbetrieblichem Gelände in Verwendung. Meistens sind die beweglichen Schrankenbäume zum Verhindern des Passierens durch ein Fahrzeug aus einem festen Material gefertigt, beispielsweise aus Metall, insbesondere Aluminium, aus einer Metalllegierung oder auch aus einem mit organischen oder anorganischen Fasern verstärkten Kunststoff, insbesondere aus glasfaserverstärktem Kunststoff oder kohlenstofffaserverstärktem Kunststoff.In the field of structural devices for blocking paths, conventional barriers, which usually consist of a movable rod and one or two supports, the rod also being referred to as a barrier boom, have been known for a long time. Such barriers, in particular acting as road locks for vehicles, are often used at level crossings, toll booths, parking garages, forest roads, but also in public spaces, as well as on private or internal premises. The movable barrier booms to prevent a vehicle from passing through are usually made of a solid material, for example metal, in particular aluminum, a metal alloy or a plastic reinforced with organic or inorganic fibers, in particular glass fiber reinforced plastic or carbon fiber reinforced plastic.

Hierbei ist zu beachten, dass insbesondere bei Bahnübergangen im Fall einer Positionierung eines Fahrzeugs zwischen zwei geschlossenen Schranken auf dem Bahngleis ein Durchbrechen der Schranke und in Folge ein Gelangen des Fahrzeugs aus dem von den Schranken abgesperrten Gefahrenbereich aus Sicherheitsgründen auf jeden Fall zu ermöglichen ist. Deshalb muss das Material bei Bahnübergängen leicht verformbar sein und darf bei Bruch nicht splittern, um ein leichtes Durchbrechen der Schranke durch das Fahrzeug zu gewährleisten, weshalb bisher üblicherweise Aluminium oder Kunststoff für Schranken bei Bahnübergängen als Material herangezogen wurde.It should be noted that, in particular at level crossings, if a vehicle is positioned between two closed barriers on the railroad track, it must be possible to break through the barrier and, as a result, to allow the vehicle to exit the danger area blocked by the barriers for safety reasons. For this reason, the material at level crossings must be easily deformable and must not splinter in the event of breakage in order to ensure that the barrier can easily be broken through by the vehicle, which is why aluminum or plastic has traditionally been used as a material for barriers at level crossings.

Sowohl bei der Anwendung einer Schranke bei Bahnübergängen als auch bei anderen Anwendungen, insbesondere bei Schranken in Parkhäusern, hat sich das Verwenden von aus Metall oder Kunststoff gefertigten Schrankenbäumen oft als nachteilig erwiesen, da es beim Passieren der Schranke durch das Fahrzeug aufgrund eines Fahrfehlers des Fahrzeugbenutzers oder auch aufgrund eines technischen Defekts der Schranke bei einer Kontaktierung der Schranke durch das Fahrzeug oder einer Kontaktierung des Fahrzeugs durch die Schranke zu einer Beschädigung des Fahrzeugs und/oder der Schranke kommen kann.Both when using a barrier at level crossings as well as in other applications, in particular with barriers in parking garages, the use of barrier booms made of metal or plastic has often proven to be disadvantageous, because when the vehicle passes the barrier, it is caused by a driving error by the vehicle user or also due to a technical defect in the barrier when the vehicle makes contact with the barrier or the barrier makes contact with the vehicle, damage to the vehicle and / or the barrier can occur.

Um eine derartige Beschädigung des Fahrzeugs und/oder der Schranke bei einem unbeabsichtigten Kontakt zwischen Schranke und Fahrzeug zu vermeiden, sind insbesondere bei Parkhäusern und ähnlichen Anwendungen Schranken bekannt, welche über eine durch entsprechende Sensorik etablierte Hinderniserkennung verfügen, wobei diese Hinderniserkennung lediglich eine Kontaktierung zwischen Fahrzeug und Schranke verhindern kann, wenn der Schrankenbaum aus einer vertikalen Ausrichtung des Schrankenbaums in eine horizontale Ausrichtung des Schrankenbaums verfährt und sich das Fahrzeug während dieser Bewegung des Schrankenbaums im von den Sensoren erfassten Bereich befindet. Eine Beschädigung des Fahrzeugs und/oder der Schranke durch unbeabsichtigtes Kontaktieren der Schranke durch das Fahrzeug in der horizontalen Ausrichtung des Schrankenbaums hingegen kann mit einer derartigen Hinderniserkennung überhaupt nicht verhindert werden.In order to avoid such damage to the vehicle and / or the barrier in the event of unintentional contact between the barrier and the vehicle, barriers are known, in particular in parking garages and similar applications, which have an obstacle detection established by appropriate sensors, this obstacle detection merely making contact between the vehicle and the barrier can prevent when the barrier boom moves from a vertical alignment of the barrier boom into a horizontal alignment of the barrier boom and the vehicle is in the area detected by the sensors during this movement of the barrier boom. Damage to the vehicle and / or the barrier due to unintentional contact with the barrier by the vehicle in the horizontal alignment of the barrier boom, on the other hand, cannot be prevented at all with such an obstacle detection.

Solche Beschädigungen eines Fahrzeugs und/oder einer Schranke führen meistens zu kostspieligen Schadensersatzforderungen gegenüber dem Schrankeninhaber durch den Fahrzeuginhaber, wodurch in Folge zuerst geklärt werden muss, wer die Verantwortung für die Beschädigung des Fahrzeugs und/oder der Schranke trägt, und weiterer Folge dem Fahrzeuginhaber von dem Schrankeninhaber ein Schadensersatz geleistet werden muss, sofern ein Verschulden des Schrankeninhabers vorliegt, wodurch ein solches Verfahren langwierig und kostenintensiv ist.Such damage to a vehicle and / or a barrier usually leads to costly claims for damages against the barrier owner by the vehicle owner, which means that it must first be clarified who is responsible for the damage to the vehicle and / or the barrier, and subsequently to the vehicle owner The barrier owner must be compensated if the barrier owner is at fault, which makes such a procedure lengthy and costly.

Des Weiteren werden Schrankenbäume derartiger Schranken insbesondere in Parkhäusern durch ihre ständige Exposition gegenüber den im Parkhaus anwesenden Staub- und Schmutzpartikeln schnell schmutzig, weshalb sie regelmäßig gereinigt werden müssen. Darüber hinaus sind derartige Schranken durch die Vielzahl an benötigten Komponenten, welche einen Elektromotor, ein mechanisches Getriebe sowie Zahnräder umfassen, einerseits aufwändig zu installieren und weisen andererseits einen hohen Bedarf an elektrischer Energie auf, durch welchen insbesondere ein wirtschaftlich effizienter Betrieb mit einem Akkumulator nicht realisierbar ist. Aus diesem Grund ist die Eignung derartige Schranken für einen mobilen Einsatz eingeschränkt.Furthermore, the booms of such barriers, especially in multi-storey car parks, become dirty quickly due to their constant exposure to the dust and dirt particles present in the multi-storey car park, which is why they have to be cleaned regularly. In addition, due to the large number of components required, which include an electric motor, a mechanical transmission and gears, such barriers are on the one hand complex to install and on the other hand have a high demand for electrical energy, which in particular does not allow economically efficient operation with an accumulator is. For this reason, the suitability of such barriers for mobile use is limited.

Pneumatische Schranken gemäß dem Oberbegriff des Anspruchs 1 sind aus WO 2001/38644 A1 und KR 2015 0000879 U bekannt. Weiters sind pneumatische Schranken aus EP 2 037 044 A1 bekannt.Pneumatic barriers according to the preamble of claim 1 are off WO 2001/38644 A1 and KR 2015 0000879 U known. Furthermore, pneumatic barriers are off EP 2 037 044 A1 known.

Aus dem Stand der Technik bekannte pneumatische Schranken verfügen allerdings über keine Mittel, welche eine durch die Schwerkraft bedingte Neigung der Schranke in ihrem ausgerollten Betriebszustand in Richtung des Bodens entgegenwirken, wodurch nachteilhafterweise eine horizontale Ausrichtung der Schranke in ihrem ausgerollten Betriebszustand nicht gewährleistet werden kann.Pneumatic barriers known from the prior art, however, do not have any means which counteract an inclination of the barrier caused by gravity in its rolled-out operating state in the direction of the floor, which disadvantageously cannot guarantee a horizontal alignment of the barrier in its rolled-out operating state.

Die Aufgabe der Erfindung besteht daher darin, eine Schranke zur Verfügung zu stellen, welche die Nachteile des Standes der Technik vermeidet.The object of the invention is therefore to provide a barrier which avoids the disadvantages of the prior art.

Diese Aufgabe wird durch Bereitstellen einer pneumatischen Schranke mit den Merkmalen von Anspruch 1 gelöst.This object is achieved by providing a pneumatic barrier with the features of claim 1.

Die erfindungsgemäße pneumatische Schranke weist entlang ihrer schlauchförmigen Hülle entlang ihrer im Wesentlichen gesamten Länge zumindest ein Federelement auf, welches die schlauchförmige Hülle in einem eingerollten Grundzustand der schlauchförmigen Hülle hält. Durch Beaufschlagen der schlauchförmigen Hülle mit Druckluft durch die Mittel zum Zu-und Abführen von Druckluft wird die schlauchförmige Hülle entgegen der Federkraft des zumindest einen Federelementes aus dem eingerollten Grundzustand der schlauchförmigen Hülle in einen ausgerollten Betriebszustand der schlauchförmigen Hülle verbracht, wobei die schlauchförmige Hülle zur horizontalen Ausrichtung der schlauchförmigen Hülle in ihrem Betriebszustand entlang ihrer im Wesentlichen gesamten Länge ein eine Vielzahl an kettenartigen, miteinander verbundenen Elementen aufweisendes Stützelement, insbesondere eine Kabelschleppe, aufweist. Beim Verbringen der schlauchförmigen Hülle aus ihrem ausgerollten Betriebszustand in ihren eingerollten Grundzustand durch die Federkraft des zumindest einen Federelementes entweicht die in der schlauchförmigen Hülle enthaltene Druckluft über die Mittel zum Zu- und Abführen von Druckluft. Somit ist der Vorteil erhalten, dass selbst bei einer Kontaktierung der Schranke durch ein Fahrzeug oder einer Kontaktierung des Fahrzeugs durch die Schranke keine oder lediglich eine sehr geringe Beschädigung des Fahrzeuges und/oder der Schranke entsteht und dass das Stützelement die pneumatische Schranke beim Ausfahren derselben in ihren Betriebszustand einer möglichen Neigung der schlauchförmigen Hülle entgegenwirkt und diese zu jedem Zeitpunkt in einer horizontalen Ausrichtung hält. Bei einer Anwendung der pneumatischen Schranke bei einem Bahnübergang etwa kann das Fahrzeug somit problemlos aus dem Gefahrenbereich auf den Bahngleisen gelangen, ohne dass das Fahrzeug beschädigt und die darin befindlichen Personen einer zusätzlichen Gefährdung durch die Kollision mit dem harten Schranken ausgesetzt sind.The pneumatic barrier according to the invention has at least one spring element along its tubular sheath along its essentially entire length, which spring element holds the tubular sheath in a rolled-up basic state of the tubular sheath. By applying compressed air to the hose-shaped cover by the means for supplying and removing compressed air, the hose-shaped cover is moved against the spring force of the at least one spring element from the rolled-up basic state of the hose-shaped cover to a rolled-out operating state of the hose-shaped cover, with the hose-shaped cover becoming horizontal Alignment of the tubular sheath in its operating state along its essentially entire length has a support element having a plurality of chain-like, interconnected elements, in particular a cable train. When the tubular casing is moved from its rolled-out operating state to its rolled-up basic state by the spring force of the at least one spring element, the compressed air contained in the tubular casing escapes via the means for supplying and removing compressed air. The advantage is thus obtained that even if the barrier is contacted by a vehicle or the vehicle is contacted by the barrier, no or only very little damage occurs to the vehicle and / or the barrier and that the support element closes the pneumatic barrier when it is extended their operating state counteracts a possible inclination of the tubular casing and keeps it in a horizontal orientation at all times. When the pneumatic barrier is used at a level crossing, for example, the vehicle can easily get out of the danger area onto the railroad tracks without damaging the vehicle or those inside People are exposed to an additional risk from the collision with the hard barriers.

Des Weiteren löst eine derartige pneumatische Schranke das Problem der Beschädigung von Fahrzeugen und/oder Schranken, beispielsweise in Parkhäusern beim Ein- und Ausfahren oder in Industriehallen beim Markieren von Sicherheitszonen, da die Fahrzeuge bei Kontakt mit der mit Druckluft gefüllten schlauchartigen Hülle ebenso wie die schlauchartige Hülle unbeschädigt bleiben.Furthermore, such a pneumatic barrier solves the problem of damage to vehicles and / or barriers, for example in parking garages when entering and leaving or in industrial halls when marking safety zones, since the vehicles when they come into contact with the hose-like cover filled with compressed air just like the hose-like cover Cover remain undamaged.

Darüber hinaus eröffnet sich durch den pneumatischen Schranken insbesondere die neue Möglichkeit, Falschfahrer, welche sich insbesondere auf Autobahnauffahrten mit ihrem Fahrzeug entgegen der vorgeschriebenen Fahrtrichtung bewegen, besonders effektiv auf ihr Fehlverhalten hinzuweisen, da durch den Kontakt des Fahrzeuges mit der pneumatischen Schranke bei einer erhöhten Geschwindigkeit des falschfahrenden Fahrzeuges die optische und akustische Warnwirkung für den Falschfahrer sehr hoch ist, wobei das Fahrzeug jedoch nicht nennenswert beschädigt und auch nicht abrupt abgebremst wird. Des Weiteren hat eine derartige Kontaktierung des Fahrzeugs durch die pneumatische Schranke eine weit höhere Signalwirkung als die in Österreich auf Autobahnauffahrten eingesetzten gelben Warnschilder.In addition, the pneumatic barriers in particular open up the new possibility of wrong-way drivers who move their vehicle against the prescribed direction of travel, especially on motorway entrances, particularly effectively to indicate their incorrect behavior, since the vehicle comes into contact with the pneumatic barrier at an increased speed of the wrong-way driving vehicle, the visual and acoustic warning effect for the wrong-way driver is very high, but the vehicle is not significantly damaged and is not braked abruptly. Furthermore, contacting the vehicle in this way through the pneumatic barrier has a far greater signaling effect than the yellow warning signs used on motorway entrances in Austria.

Die pneumatische Schranke weist des Weiteren vorteilhafterweise einen geringen Energieverbrauch auf, da das Ein- und Ausfahren der schlauchförmigen Hülle lediglich über die Mittel zum Z u- und Abführen der Druckluft geschieht und keine weiteren elektrischen Motoren benötigt werden.The pneumatic barrier also advantageously has a low energy consumption, since the tubular casing is only extended and retracted via the means for supplying and removing the compressed air and no further electric motors are required.

Des Weiteren befindet sich die als Schrankenbaum fungierende schlauchförmige Hülle in ihrem eingerollten Grundzustand stets innerhalb des Gehäuses der Schranke, wodurch sie vor Staub und Schmutz geschützt ist.Furthermore, in its rolled-up basic state, the tubular cover, which acts as a barrier boom, is always inside the housing of the barrier, which means that it is protected from dust and dirt.

Gemäß einer bevorzugten Ausführungsform ist das zumindest eine Federelement aus Stahl, insbesondere aus Federstahl, geformt. Durch die geeignete Materialauswahl kann einerseits die Geschwindigkeit des Einrollens der schlauchförmigen Hülle eingestellt werden und andererseits der Schwellwert der von den Mitteln zum Zu- und Abführen von Druckluft applizierten Druckluft zum Ausrollen der schlauchförmigen Hülle eingestellt werden.According to a preferred embodiment, the at least one spring element is formed from steel, in particular from spring steel. By selecting a suitable material, on the one hand the speed of the rolling up of the tubular casing can be set and on the other hand the threshold value of the compressed air applied by the means for supplying and removing compressed air to roll out the tubular casing can be set.

Gemäß einer weiteren bevorzugten Ausführungsform ist das zumindest eine Federelement eine Spiralfeder oder eine Rollfeder. Somit kann durch die Auswahl einer geeigneten Feder mit geeigneter Breite und Stärke, welche eine dem Anwendungszweck entsprechende Kraft-Weg-Kennlinie aufweist, das Verhalten der schlauchförmigen Hülle beim Ein- und Ausrollen noch besser eingestellt werden.According to a further preferred embodiment, the at least one spring element is a spiral spring or a scroll spring. Thus, by selecting a suitable spring with a suitable width and strength, which has a force-displacement characteristic that corresponds to the application has, the behavior of the tubular casing when rolling in and out can be adjusted even better.

Gemäß einer weiteren bevorzugten Ausführungsform wird die Geschwindigkeit, mit welcher die schlauchförmige Hülle aus ihrem Grundzustand in ihren Betriebszustand sowie von ihrem Betriebszustand in ihren Grundzustand verbracht wird, durch ein mit den Mitteln zum Zu-und Abführen der Druckluft verbundenes Druckregelventil eingestellt. Somit kann vorteilhafterweise je nach Anwendungszweck die Schranke mit einer für den jeweiligen Anwendungszweck geeigneten Geschwindigkeit ein- und ausgefahren werden. Beispielsweise kann bei einer Verwendung der Schranke als Schutz gegen Falschfahren die Schranke sehr schnell ausgefahren werden, während sie bei Verwendung in einem Parkhaus mit einer geringeren Geschwindigkeit als im vorgenannten Fall ausgefahren werden kann.According to a further preferred embodiment, the speed at which the tubular casing is brought from its basic state to its operating state and from its operating state to its basic state is set by a pressure control valve connected to the means for supplying and removing the compressed air. Thus, depending on the application, the barrier can advantageously be retracted and extended at a speed suitable for the respective application. For example, when the barrier is used as protection against wrong-way driving, the barrier can be extended very quickly, while when used in a parking garage it can be extended at a slower speed than in the aforementioned case.

Gemäß einer weiteren bevorzugten Ausführungsform wird die schlauchförmige Hülle in ihrem Betriebszustand an ihrem dem Gehäuse abgewandten Ende in einer Stütze aufgenommen. Hierdurch kann vorteilhafterweise die horizontale Ausrichtung des Schrankenbaums der pneumatischen Schranke besonders einfach gehalten werden. Die Stütze kann beispielsweise eine V-Form aufweisen, in welcher der Schrankenbaum der pneumatischen Schranke aufgenommen wird.According to a further preferred embodiment, the tubular casing in its operating state is received in a support at its end facing away from the housing. In this way, the horizontal alignment of the barrier boom of the pneumatic barrier can advantageously be kept particularly simple. The support can, for example, have a V-shape in which the barrier boom of the pneumatic barrier is received.

Gemäß einer weiteren bevorzugten Ausführungsform weist die schlauchförmige Hülle in ihrem Betriebszustand einen runden, rechteckigen oder dreiecksförmigen Querschnitt auf. Somit kann durch die Auswahl des Querschnitts das optische Erscheinungsbild der Schranke bestimmt werden.According to a further preferred embodiment, the tubular casing has a round, rectangular or triangular cross-section in its operating state. The optical appearance of the barrier can thus be determined by the selection of the cross section.

Gemäß einer weiteren bevorzugten Ausführungsform weist die schlauchförmige Hülle entlang ihrer im Wesentlichen gesamten Länge Leuchtmittel auf. Somit kann die Schranke vorteilhafterweise von einem Fahrzeuglenker noch besser wahrgenommen werden. Dies ist insbesondere bei schlechten Lichtverhältnissen, beispielsweise bei Blendung durch Sonnenlicht oder bei Dunkelheit, von großer Bedeutung. Insbesondere kann die Schranke als Rotlichtunterstützung bei Kreuzungen bei Bahn- oder Fußgängerdurchgängen verwendet werden, wobei in diesem Fall die Schranke in Bezug auf das Rotlicht zeitlich verzögert aus-und einfahren kann.According to a further preferred embodiment, the tubular casing has lighting means along its substantially entire length. The barrier can thus advantageously be perceived even better by a vehicle driver. This is particularly important in poor lighting conditions, for example when dazzled by sunlight or in the dark. In particular, the barrier can be used as a red light support at crossings in train or pedestrian passages, in which case the barrier can extend and retract with a time delay in relation to the red light.

Gemäß einer weiteren bevorzugten Ausführungsform weist die Schranke ferner eine Fernmeldeeinheit sowie zumindest einen mit der Fernmeldeeinheit verbundenen Drucksensor zum periodischen Ermitteln des durch die Mittel zum Zu- und Abführen von Druckluft beaufschlagten Druckes auf. Die Fernmeldeeinheit ist dazu ausgebildet, bei einer Detektion eines Unterschreitens eines voreingestellten Minimaldruckes sowie eines Überschreitens eines voreingestellten Maximaldruckes durch den zumindest einen Drucksensor eine Nachricht, welche das Unterschreiten des voreingestellten Minimaldruckes oder das Überschreiten des voreingestellten Maximaldruckes signalisiert, an ein Empfangsgerät, insbesondere ein Mobiltelefon, zu übermitteln. Somit ist der Vorteil erhalten, dass durch die Fernmeldeeinheit und die Sensoren überwacht werden kann, dass die Druckverhältnisse der Schranke in ihrem Betrieb ordnungsgemäß hergestellt sind, wobei im Falle eines zu niedrigen oder zu hohen Druckes eine Wartung der Schranke durch die Benachrichtigung der Druckabweichung über das Empfangsgerät ohne jede Verzögerung eingeleitet werden kann.According to a further preferred embodiment, the barrier also has a telecommunication unit and at least one pressure sensor connected to the telecommunication unit for periodically determining the pressure applied by the means for supplying and removing compressed air. The telecommunication unit is designed to, upon detection of falling below a preset minimum pressure and exceeding of a preset maximum pressure by the at least one pressure sensor to transmit a message which signals that the preset minimum pressure has not been reached or that the preset maximum pressure has been exceeded to a receiving device, in particular a mobile phone. This has the advantage that the telecommunication unit and the sensors can monitor that the pressure conditions of the barrier are properly established in their operation, with maintenance of the barrier being carried out by notifying the pressure deviation via the in the event of a pressure that is too low or too high Receiving device can be initiated without any delay.

Gemäß einer weiteren bevorzugten Ausführungsform erfolgt die Stromversorgung der Schranke über einen Akkumulator. Hierdurch entfällt vorteilhafterweise die Notwendigkeit eines Stromanschlusses am Einsatzort der pneumatischen Schranke, wodurch der Einsatzort der pneumatischen Schranke äußerst flexibel ist. So kann die Schranke etwa aufgestellt werden, um Arbeiter auf der Straße oder auf der Autobahn zu schützen, wobei der Schranken am Pannenstreifen oder auf Parkplätzen platziert werden kann und der zu schützende Bereich durch das Ausfahren der schlauchförmigen Hülle abgesperrt werden kann. Hierbei kann die Schranke aufgrund ihres, im Vergleich zu einer herkömmlichen Schranke, geringen Gewichts beispielsweise auf einem Dreibein montiert werden. Des Weiteren kann die Schranke auch am Heck eines Fahrzeuges, beispielsweise am Heck eines LKWs oder eines Transporters, montiert werden, um den aussteigenden Fahrer des Fahrzeuges vor dem nachkommenden Verkehr zu schützen, wobei die Schranke in diesem Fall mit dem Druckluftsystem des Fahrzeuges verbunden sein kann.According to a further preferred embodiment, the barrier is supplied with power via an accumulator. This advantageously eliminates the need for a power connection at the place of use of the pneumatic barrier, so that the place of use of the pneumatic barrier is extremely flexible. For example, the barrier can be set up to protect workers on the street or on the motorway, whereby the barrier can be placed on the hard shoulder or in parking lots and the area to be protected can be cordoned off by extending the tubular cover. Due to its low weight compared to a conventional barrier, the barrier can be mounted on a tripod, for example. Furthermore, the barrier can also be mounted at the rear of a vehicle, for example at the rear of a truck or a van, in order to protect the exiting driver of the vehicle from the following traffic, in which case the barrier can be connected to the compressed air system of the vehicle .

Die erfindungsgemäße Schranke wird nun anhand von Ausführungsbeispielen unter Bezugnahme auf die Figuren näher erläutert.

  • Figur 1 zeigt eine schematische Schnittansicht einer erfindungsgemäßen Ausführungsform einer pneumatischen Schranke, welche eine schlauchförmige Hülle aufweist, in einem eingerollten Grundzustand der schlauchförmigen Hülle.
  • Figur 2 zeigt eine schematische Schnittansicht einer weiteren erfindungsgemäßen Ausführungsform einer pneumatischen Schranke, welche eine schlauchförmige Hülle aufweist, in einem ausgerollten Betriebszustand der schlauchförmigen Hülle.
The barrier according to the invention will now be explained in more detail on the basis of exemplary embodiments with reference to the figures.
  • Figure 1 shows a schematic sectional view of an embodiment according to the invention of a pneumatic barrier, which has a tubular casing, in a rolled-up basic state of the tubular casing.
  • Figure 2 shows a schematic sectional view of a further embodiment according to the invention of a pneumatic barrier, which has a tubular casing, in a rolled-out operating state of the tubular casing.

Figur 1 zeigt eine pneumatische Schranke 1, welche ein Gehäuse 2 sowie Mittel zum Zu- und Abführen von Druckluft 4 aufweist. Des Weiteren weist die pneumatische Schranke 1 eine schlauchförmige Hülle 3 auf, welche über Druckluftverbindungsmittel 12 mit den Mittel zum Zu- und Abführen von Druckluft 4 verbunden ist. Die Druckluftverbindungsmittel 12 können beispielsweise als Druckluftschlauch ausgestaltet sein. Figure 1 shows a pneumatic barrier 1, which has a housing 2 and means for supplying and removing compressed air 4. Furthermore, the pneumatic barrier 1 has a tubular sheath 3, which is connected to the means for supplying and removing compressed air 4 via compressed air connection means 12. The compressed air connection means 12 can be configured, for example, as a compressed air hose.

Darüber hinaus kann die pneumatische Schranke 1 an ihrem Gehäuse 2 einen Vorhang 11 aufweisen, welcher bevorzugt aus Kunststoff oder Aluminium hergestellt ist und dazu geeignet ist, die im Gehäuse 2 aufgenommenen Komponenten der pneumatischen Schranke 1, insbesondere die schlauchförmige Hülle 3, vor Staub und Regen zu schützen. Alternativ dazu kann der Vorhang 11 auch aus einem anderen, bevorzugt korrosionsresistentem und wasserabweisenden, Material ausgewählt sein. Alternativ dazu kann die pneumatische Schranke 1 auch eine pneumatisch ansteuerbare Klappe zum Schutz der im Gehäuse 2 aufgenommenen Komponenten aufweisen.In addition, the pneumatic barrier 1 can have a curtain 11 on its housing 2, which is preferably made of plastic or aluminum and is suitable for protecting the components of the pneumatic barrier 1 accommodated in the housing 2, in particular the tubular cover 3, from dust and rain to protect. As an alternative to this, the curtain 11 can also be selected from another, preferably corrosion-resistant and water-repellent material. As an alternative to this, the pneumatic barrier 1 can also have a pneumatically controllable flap to protect the components accommodated in the housing 2.

Die schlauchförmige Hülle 3 weist des Weiteren entlang ihrer im Wesentlichen gesamten Länge zumindest ein Federelement 5 auf und liegt in der in Figur 1 dargestellten Ausführungsform in einem eingerollten Grundzustand 6 der schlauchförmigen Hülle 3 vor, in welchem keine Beaufschlagung der schlauchförmigen Hülle 3 durch die Mittel zum Zu- und Abführen von Druckluft 4 vorliegt. Das zumindest eine Federelement 5 kann beispielsweise durch eine Klebeverbindung oder durch eine andere stoffschlüssige Verbindung, alternativ dazu jedoch auch durch eine geeignete form- oder kraftschlüssige Verbindung mit der schlauchförmigen Hülle 3 verbunden sein.The tubular sheath 3 furthermore has at least one spring element 5 along its essentially entire length and is located in FIG Figure 1 The illustrated embodiment in a rolled-up basic state 6 of the tubular casing 3, in which the tubular casing 3 is not acted upon by the means for supplying and removing compressed air 4. The at least one spring element 5 can be connected to the tubular sleeve 3, for example, by an adhesive connection or by another material connection, but alternatively also by a suitable form-fitting or force-fitting connection.

Das zumindest eine Federelement 5 der schlauchförmigen Hülle 3 hält durch seine Federkraft die schlauchförmige Hülle 3 in ihrem eingerollten Grundzustand 6. Das zumindest eine Federelement 5 ist bevorzugt aus Stahl, insbesondere aus Federstahl, geformt und ist bevorzugt eine Spiralfeder oder eine Rollfeder, wobei auch jede andere geeignete Federart und jedes andere geeignete Federmaterial für das zumindest eine Federelement 5 verwendet werden kann. Des Weiteren kann das zumindest eine Federelement 5 ein thermisch vorgeformter Federstahl mit unterschiedlicher Breite und Stärke sein. Darüber hinaus können die Federelemente 5 auch derart kombiniert werden, dass jedes Federelement 5 eine unterschiedliche Breite und Stärke aufweist.The at least one spring element 5 of the tubular sheath 3 holds the tubular sheath 3 in its rolled-up basic state 6 through its spring force other suitable spring type and any other suitable spring material for the at least one spring element 5 can be used. Furthermore, the at least one spring element 5 can be a thermally preformed spring steel with a different width and thickness. In addition, the spring elements 5 can also be combined in such a way that each spring element 5 has a different width and thickness.

In der in Figur 2 dargestellten Ausführungsform der pneumatischen Schranke 1 wurde die schlauchförmige Hülle 3 durch Beaufschlagen der schlauchförmigen Hülle 3 mit Druckluft durch die Mittel zum Zu- und Abführen von Druckluft 4 entgegen der Federkraft des zumindest einen Federelementes 5 aus dem eingerollten Grundzustand 6 der schlauchförmigen Hülle 3 in einen ausgerollten Betriebszustand 7 der schlauchförmigen Hülle 3 verbracht. In ihrem ausgerollten Betriebszustand 7 fungiert die schlauchförmige Hülle 3 als Schrankenbaum, wobei aufgrund der materialbedingten Eigenschaften der schlauchförmigen Hülle 3 keine Beschädigung eines Fahrzeuges und keine Verletzung einer Person bei einem Kontakt desselben/derselben mit der schlauchförmigen Hülle 3 auftritt, wobei die schlauchförmige Hülle 3 bevorzugt aus einem Kunststoff gefertigt ist.In the in Figure 2 In the illustrated embodiment of the pneumatic barrier 1, the tubular sheath 3 was rolled out from the rolled-up basic state 6 of the tubular sheath 3 into a rolled out state 6 of the tubular sheath 3 against the spring force of the at least one spring element 5 by applying compressed air to the tubular sheath 3 by the means for supplying and discharging compressed air 4 Operating state 7 of the tubular casing 3 spent. In its unrolled operating state 7, the tubular cover 3 functions as a barrier boom, whereby, due to the material-related properties of the tubular cover 3, no damage to a vehicle and no injury to a person occurs when it comes into contact with the tubular cover 3, the tubular cover 3 being preferred is made of a plastic.

Das zumindest eine Federelement 5 kann an der Oberseite und/oder der Unterseite der schlauchförmigen Hülle 3 angeordnet sein. Darüber hinaus kann/können auch entlang der Seitenflächen der schlauchförmigen Hülle 3 zumindest ein Federelement 5 angeordnet sein. So kann beispielsweise durch die Anordnung mehrerer Federelemente 5 an der schlauchförmigen Hülle 3 durch die daraus resultierende erhöhte Steifigkeit der schlauchförmigen Hülle 3 einer etwaigen Neigung der schlauchförmigen Hülle 3 in ihrem ausgerollten Betriebszustand 7 entgegengewirkt werden.The at least one spring element 5 can be arranged on the upper side and / or the lower side of the tubular casing 3. In addition, at least one spring element 5 can also be arranged along the side surfaces of the tubular casing 3. For example, by arranging several spring elements 5 on the tubular cover 3, the resulting increased rigidity of the tubular cover 3 counteracts any inclination of the tubular cover 3 in its rolled out operating state 7.

Bei einer Unterbrechung der Druckluftzufuhr wird die schlauchförmigen Hülle 3 aus ihrem ausgerollten Betriebszustand 7 durch die Federkraft des zumindest einen Federelementes 5 wieder in ihren eingerollten Grundzustand 6 verbracht, wobei die in der schlauchförmigen Hülle 3 enthaltene Druckluft über die Mittel zum Zu- und Abführen von Druckluft 4 entweicht.When the supply of compressed air is interrupted, the tubular casing 3 is returned to its rolled-up basic state 6 from its rolled-out operating state 7 by the spring force of the at least one spring element 5, with the compressed air contained in the tubular casing 3 via the means for supplying and removing compressed air 4 escapes.

Die Mittel zum Zu- und Abführen von Druckluft 4 können, wie in Figur 2 dargestellt, einen Kompressor 13, welcher über Druckluftverbindungsmittel 12 mit einem Druckluftspeicher 14 verbunden ist, sowie ein Druckregelventil 9 umfassen. Der Druckluftspeicher 14 kann beispielsweise aus drei miteinander verbundenen Druckluftspeicherflaschen gebildet sein, wobei auch eine andere Anzahl an Druckluftspeicherflaschen möglich ist. Alternativ dazu kann auch ein anderes geeignetes Druckspeichergefäß als Druckluftspeicher verwendet werden. Bei einem direkten Druckluftanschluss, beispielsweise in Fabriken und Industriehallen, kann der Schranken auch direkt am Druckluftnetz ohne Speicher angeschlossen werden.The means for supplying and removing compressed air 4 can, as in Figure 2 shown, comprise a compressor 13, which is connected to a compressed air reservoir 14 via compressed air connection means 12, as well as a pressure regulating valve 9. The compressed air reservoir 14 can be formed, for example, from three compressed air storage bottles connected to one another, with a different number of compressed air storage bottles also being possible. Alternatively, another suitable pressure storage vessel can also be used as a compressed air storage device. With a direct compressed air connection, for example in factories and industrial halls, the barrier can also be connected directly to the compressed air network without storage.

Über das Druckregelventil 9 kann insbesondere die Menge der Druckluft, welche der schlauchförmigen Hülle zugeführt wird, reguliert werden. Beispielsweise kann somit aus dem Druckluftspeicher 14 über die Druckluftverbindungsmittel 12 dem Druckregelventil 9 Druckluft derart zugeführt werden, dass nur die der Einstellung des Druckregelventils 9 entsprechende Druckluftmenge über das Druckregelventil 9 in die schlauchförmige Hülle 3 gelangt und die überschüssige Druckluft über das Druckregelventil 9 entweicht. Somit kann die Geschwindigkeit, mit welcher die schlauchartige Hülle 3 in ihren Betriebszustand 7 verbracht wird, über das Druckregelventil 9 unkompliziert eingestellt werden.In particular, the amount of compressed air which is supplied to the tubular casing can be regulated via the pressure regulating valve 9. For example, compressed air can thus be supplied from the compressed air reservoir 14 via the compressed air connection means 12 to the pressure regulating valve 9 in such a way that only the amount of compressed air corresponding to the setting of the pressure regulating valve 9 reaches the tubular casing 3 via the pressure regulating valve 9 and the excess compressed air escapes via the pressure regulating valve 9. The speed at which the hose-like sheath 3 is brought into its operating state 7 can thus be set in an uncomplicated manner via the pressure regulating valve 9.

Des Weiteren kann beim Verbringen der schlauchförmigen Hülle 3 aus ihrem ausgerollten Betriebszustand 7 in ihren eingerollten Grundzustand 6 die aus der schlauchförmigen Hülle 3 durch die Federkraft des zumindest einen Federelements 5 gepresste Druckluft ebenfalls über das Druckregelventil 9 entweichen. Somit kann die Geschwindigkeit, mit welcher die schlauchartige Hülle 3 in ihren eingerollten Grundzustand 6 verbracht wird, über das Druckregelventil 9 eingestellt werden.Furthermore, when the tubular casing 3 is moved from its rolled-out operating state 7 to its rolled-up basic state 6, the compressed air pressed from the tubular casing 3 by the spring force of the at least one spring element 5 can also escape via the pressure regulating valve 9. Thus, the speed at which the tubular sheath 3 is brought into its rolled-up basic state 6, can be set via the pressure control valve 9.

In einer alternativen Ausführungsvariante können die Mittel zum Zu- und Abführen von Druckluft 4 außerdem zusätzlich ein Entlüftungsventil 15 aufweisen, über welches beim Verbringen der schlauchförmigen Hülle 3 aus ihrem ausgerollten Betriebszustand 7 in ihren eingerollten Grundzustand 6 die aus der schlauchförmigen Hülle 3 gepresste Druckluft entweicht. Des Weiteren kann das Entlüftungsventil 15 und/oder das Druckregelventil 9 ein schalldämpfendes Element aufweisen, um die Lautstärke der pneumatischen Schranke 1 im Betrieb zu reduzieren.In an alternative embodiment, the means for supplying and removing compressed air 4 can also have a vent valve 15, via which the compressed air pressed from the tubular sleeve 3 escapes when the tubular casing 3 is moved from its rolled-out operating state 7 to its rolled-up basic state 6. Furthermore, the vent valve 15 and / or the pressure regulating valve 9 can have a sound-absorbing element in order to reduce the volume of the pneumatic barrier 1 during operation.

Somit können in dieser alternativen Ausführungsform bei einer unterschiedlichen Einstellung des Entlüftungsventils 15 und des Druckregelventils 9 die Geschwindigkeit des Verbringens aus dem Grundzustand 6 in den Betriebszustand 7 und die Geschwindigkeit des Verbringens aus dem Betriebszustand 7 in den Grundzustand 6 unterschiedlich sein. Im Allgemeinen kann über die Ventileinstellung der Durchflussmenge der Druckluft der Wechsel zwischen dem Grundzustand 6 und dem Betriebszustand 7 zwischen einem schnellen und langsamen Ein-und Ausfahren der schlauchartigen Hülle 3 fließend eingestellt werden.Thus, in this alternative embodiment, with a different setting of the vent valve 15 and the pressure regulating valve 9, the speed of transfer from the basic state 6 to the operating state 7 and the speed of the transfer from the operating state 7 to the basic state 6 can be different. In general, via the valve setting of the flow rate of the compressed air, the change between the basic state 6 and the operating state 7 between a fast and slow retraction and extension of the hose-like cover 3 can be smoothly adjusted.

Wie Figur 2 entnommen werden kann, weist die schlauchförmige Hülle 3 erfindungsgemäß in ihrem ausgerollten Betriebszustand 7 entlang ihrer im Wesentlichen gesamten Länge ein Stützelement 8, insbesondere eine Kabelschleppe, auf. Das Stützelement 8 ist dabei als ein eine Vielzahl an kettenartigen, miteinander verbundenen Elementen aufweisendes Stützelement ausgebildet. Das Stützelement 8 wirkt einer möglichen Neigung der schlauchförmigen Hülle 3 entgegen und hält diese zu jedem Zeitpunkt in einer horizontalen Ausrichtung. In einer alternativen Ausführungsvariante, die nicht Teil der Erfindung ist, kann das Stützelement 8 auch aus miteinander verbindbaren, legosteinartigen Kunststoffelementen ausgestaltet sein.As Figure 2 can be removed, the tubular sheath 3 according to the invention in its rolled-out operating state 7 has a support element 8, in particular a cable train, along its essentially entire length. The support element 8 is designed as a support element having a multiplicity of chain-like elements connected to one another. The support element 8 counteracts a possible inclination of the tubular casing 3 and keeps it in a horizontal orientation at all times. In an alternative embodiment, which is not part of the invention, the support element 8 can also be configured from lego-brick-like plastic elements that can be connected to one another.

Darüber hinaus kann die schlauchförmigen Hülle 3 zu ihrer horizontalen Ausrichtung in einer Stütze aufgenommen sein, welche nicht in den Figuren abgebildet ist, wobei der die schlauchförmige Hülle 3 aufnehmende Teil der Stütze bevorzugt eine V-Form aufweist. Alternativ dazu kann der die schlauchförmige Hülle 3 aufnehmende Teil der Stütze auch eine andere Form aufweisen, beispielsweise eine U-Form, eine halbkreisförmige Form, eine dreieckige Form oder eine viereckige Form, sowie jegliche andere zur Aufnahme der schlauchartigen Hülle 3 geeignete Form. Auch die schlauchförmige Hülle 3 kann verschiedene Querschnitte aufweisen, bevorzugt einen dreieckigen, viereckigen oder runden Querschnitt, wobei auch andere Querschnittsformen möglich sind. Der Schranken kann in jeder beliebige Farbe und mit jeder beliebigen Lackierung hergestellt werden sowie mit jeder Beschriftung hergestellt werden.In addition, for its horizontal alignment, the tubular casing 3 can be received in a support, which is not shown in the figures, the part of the support receiving the tubular casing 3 preferably having a V-shape. As an alternative to this, the part of the support that receives the tubular sheath 3 can also have a different shape, for example a U-shape, a semicircular shape, a triangular shape or a square shape, as well as any other shape suitable for receiving the tubular sheath 3. The tubular sheath 3 can also have different cross-sections, preferably a triangular, square or round cross-section, other cross-sectional shapes also being possible. The barrier can be produced in any color and with any paintwork, as well as with any lettering.

Des Weiteren kann die schlauchförmigen Hülle 3 in ihrem Betriebszustand 7 entlang ihrer im Wesentlichen gesamten Länge Leuchtmittel 10 aufweisen. Alternativ oder ergänzend hierzu kann auch das Innere des Gehäuses 2 durch Leuchtmittel beleuchtet werden. Die Leuchtmittel 10 können beispielsweise als LED-Leuchtmittel oder Halogenleuchtmittel ausgestaltet sein.Furthermore, in its operating state 7, the tubular casing 3 can have lighting means 10 along its essentially entire length. As an alternative or in addition to this, the interior of the housing 2 can also be illuminated by lighting means. The lighting means 10 can be designed, for example, as LED lighting means or halogen lighting means.

Die Versorgung der pneumatischen Schranke 1 kann aufgrund des relativ geringen Stromverbrauchs der Mittel zum Zu- und Abführen von Druckluft 4 über einen Akkumulator 16 erfolgen, der im Gehäuse 2 angeordnet sein kann. Somit kann die pneumatische Schranke 1 unabhängig vom Vorhandensein einer stationären Stromversorgung eingesetzt werden, wodurch sie äußerst vielseitig eingesetzt werden kann.Due to the relatively low power consumption of the means for supplying and removing compressed air 4, the pneumatic barrier 1 can be supplied via an accumulator 16 which can be arranged in the housing 2. The pneumatic barrier 1 can thus be used independently of the presence of a stationary power supply, which means that it can be used in an extremely versatile manner.

Claims (9)

  1. A pneumatic barrier (1), comprising a housing (2), in which there is arranged a tubular sleeve (3) as well as means connected to the tubular sleeve (3) for delivering and discharging compressed air (4) into / from the tubular sleeve (3), wherein the tubular sleeve (3) has along the essentially entire length thereof at least one spring element (5), which maintains the tubular sleeve (3) in a wound-up basic condition (6) of the tubular sleeve (3), wherein by applying compressed air by the means for delivering and discharging compressed air (4) onto the tubular sleeve (4) in opposition to the spring force of the at least one spring element (5) the tubular sleeve (3) is brought from the wound-up basic condition (6) of the tubular sleeve (3) into an unwound operational condition (7) of the tubular sleeve (3) and wherein while bringing the tubular sleeve (3) from its unwound operational condition (7) into its wound-up basic condition (6) by the spring force of the at least one spring element (5), the compressed air contained in the tubular sleeve (3) escapes via the means for delivering and discharging compressed air (4),
    characterized in that
    the tubular sleeve (3) has for the horizontal orientation of the tubular sleeve (3) in its unwound operational condition (7) along essentially the entire length thereof a support element (8) having a plurality of chain-like elements connected to one another, in particular a cable drag chain.
  2. A pneumatic barrier (1) according to claim 1, characterized in that the at least one spring element (5) is made from steel, in particular spring steel.
  3. A pneumatic barrier (1) according to claim 1 or claim 2, characterized in that the at least one spring element (5) is a coil spring or a roller spring.
  4. A pneumatic barrier (1) according to any of claims 1 to 3, characterized in that the velocity at which the tubular sleeve (3) is brought from its wound-up basic condition (6) into its unwound operational condition (7) as well as from its unwound operational condition (7) into its wound-up basic condition (6) is adjusted by way of a pressure control valve (9) connected to the means for delivering and discharging compressed air (4).
  5. A pneumatic barrier (1) according to any of claims 1 to 4, characterized in that the tubular sleeve (3) in its unwound operational condition (7) is accommodated at the end thereof facing away from the housing (2) within a support.
  6. A pneumatic barrier (1) according to any of claims 1 to 5, characterized in that the tubular sleeve (3) in its unwound operational condition (7) has a round, rectangular or triangular cross-section.
  7. A pneumatic barrier (1) according to any of claims 1 to 6, characterized in that the tubular sleeve (3) has along the entire length thereof lighting appliances (10).
  8. A pneumatic barrier (1) according to any of claims 1 to 7, characterized in that the barrier (1) further has a communication unit as well as at last one pressure sensor connected to the communication unit for periodically determining the pressure applied by the means for delivering and discharging compressed air (4), wherein the communication unit is configured to transmit upon detection of a drop below a preset minimum pressure as well as of an excess of a preset maximum pressure by the at least one sensor a notice, which signalises the drop below the preset minimum pressure or the excess of the preset maximum pressure, to a receiver, in particular a mobile phone.
  9. A pneumatic barrier (1) according to any of claims 1 to 8, characterized in that the supply of the barrier (1) with electrical energy is carried out via an accumulator.
EP20155542.2A 2019-03-14 2020-02-05 Pneumatic barrier Active EP3708712B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT600672019A AT522253A2 (en) 2019-03-14 2019-03-14 si-be security restriction

Publications (2)

Publication Number Publication Date
EP3708712A1 EP3708712A1 (en) 2020-09-16
EP3708712B1 true EP3708712B1 (en) 2021-09-22

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Application Number Title Priority Date Filing Date
EP20155542.2A Active EP3708712B1 (en) 2019-03-14 2020-02-05 Pneumatic barrier

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EP (1) EP3708712B1 (en)
AT (1) AT522253A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410264B (en) * 1999-11-24 2003-03-25 Hribernig Armin DEVICE FOR THE OBSTACLE OF MOTOR VEHICLES DRIVING ON A TRAILER AGAINST THE DIRECTION REQUIRED THERE
WO2003027398A1 (en) * 2001-09-21 2003-04-03 Prospective Concepts Ag Pneumatic barrier
FR2921081B1 (en) * 2007-09-14 2009-12-04 Sanef ROAD BEARING SYSTEM FOR REALIZING A RABATTING BEVERAGE
KR20150000879U (en) * 2013-08-20 2015-03-02 박호범 School Zone Crosswalk with air tubes blocking device

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AT522253A2 (en) 2020-09-15

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