EP3569765B1 - Roadway limiting element and method for opening a roadway limiting element and use of a fluidics device for opening a roadway limiting element - Google Patents

Roadway limiting element and method for opening a roadway limiting element and use of a fluidics device for opening a roadway limiting element Download PDF

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Publication number
EP3569765B1
EP3569765B1 EP18172636.5A EP18172636A EP3569765B1 EP 3569765 B1 EP3569765 B1 EP 3569765B1 EP 18172636 A EP18172636 A EP 18172636A EP 3569765 B1 EP3569765 B1 EP 3569765B1
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EP
European Patent Office
Prior art keywords
roadway
telescopic
fluidic device
delimitation
roadway delimitation
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EP18172636.5A
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German (de)
French (fr)
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EP3569765A1 (en
Inventor
Herrmann Wenger
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Wenger Projekte und Coaching
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Wenger Projekte und Coaching
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Priority to EP18172636.5A priority Critical patent/EP3569765B1/en
Publication of EP3569765A1 publication Critical patent/EP3569765A1/en
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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
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/12—Continuous barriers extending along roads or between traffic lanes and having means for providing occasional passage, e.g. for emergency vehicles

Definitions

  • the present invention relates to a roadway delimiting element and a method for opening a roadway delimiting element and the use of a fluidic device for opening a roadway delimiting element.
  • roadway delimitation elements colloquially also called crash barriers
  • the purpose of lane delimitation is to hold vehicles back on the roadway in the event of an accident.
  • generic roadway delimitation elements should make it possible to provide a passage for emergencies.
  • a device for opening/closing a passage in a lane boundary has become known. It is a lane delimitation element which is designed in two parts. A first element is stationary and a second element is arranged to be movable relative to this first stationary element.
  • the DE 20 2004 011 860 U1 it is proposed to move a telescopic element by hydraulics with a motor drive. This design is disadvantageous because it has a complex structure, requires additional energy sources and requires complex maintenance.
  • GB 2 479 722 A shows a lane boundary element with a fluidic device.
  • a lane delimitation element which comprises a stationary element and a telescopic element.
  • the telescopic element can be moved relative to the stationary element, with the telescopic element being displaceable in particular into a crash barrier element.
  • the telescopic element and the stationary element are connected or can be connected by means of a locking device.
  • the locking device is connected to a fluidic device by means of a force transmission element, in particular a traction drive.
  • the locking device and the telescopic element can be moved by the fluid power device.
  • the fluidic device includes a pressure accumulator.
  • Equipping the roadway boundary element with a fluidic device that has a pressure accumulator enables the locking device and telescopic element to be moved in a power-saving manner, independently of an external energy source.
  • no further motorized drive device is provided.
  • the fluid-technical device can be configured as hydraulic or as pneumatic. If the telescopic element can be moved into a crash barrier element, the telescopic element can be moved without requiring any further space.
  • the roadway delimiting element preferably has fastening elements, in particular threads.
  • the fastening elements are located in particular at the body's center of gravity of the lane delimitation element.
  • the attachment options serve to attach lifting lugs.
  • a lane delimitation element preferably comprises a gripping element.
  • the locking device can be opened by actuating the handle element.
  • the handle element By using the handle element, in particular the telescopic element can be moved, in particular when the pressure accumulator of the fluid power device is not filled.
  • the lane delimitation element is independent of the existing pressure and the functionality of the fluid-technical device and can always be operated in an emergency.
  • the telescopic element preferably has a stroke length of at least 1.6 m.
  • Such a width of the emergency opening allows fire-fighting support vehicles to pass through without any problems.
  • the fluidic device of a lane delimitation element comprises a moving element, in particular a hydraulic or pneumatic cylinder, a connecting device and an operating element, in particular a release button.
  • a moving element such as a hydraulic or pneumatic cylinder easily converts the pressure from the accumulator into motion which can be transmitted to the power transmission element by a connecting device such as ferrules, joints, rings, hooks, turnbuckles or other suitable devices.
  • a connecting device such as ferrules, joints, rings, hooks, turnbuckles or other suitable devices.
  • the fluidic device of the lane delimitation element is preferably arranged outside of the telescopic element.
  • the fluidic device is arranged in a crash barrier element.
  • the telescopic element is less heavy and can be moved with less effort. If the hydraulic device is arranged in a crash barrier element, it is exposed to fewer external influences and therefore requires less maintenance. Furthermore, no additional cover is required, which requires less material and thus reduces the manufacturing costs.
  • the roadway delimiting element or the crash barrier element preferably comprises a closable opening, in particular a cover which can be fastened with screws, preferably in order to enable access to the fluid-technical device.
  • a closable opening allows easy access to the fluid power device for maintenance work such as oil changes without the need for complete disassembly. This saves time and effort.
  • the fluidic device or at least parts thereof is attached to a carrier element.
  • the carrier element is in particular a plate with a wall thickness between 1-10 mm.
  • the plate is made of steel.
  • the carrier element is essentially formed in a crash barrier element. The carrier element with the fluidic device can be removed in particular from the crash barrier element.
  • a defective fluidic device can be eliminated by fastening the fluidic device to a carrier element exchange quickly and easily. If such a carrier element is located in a crash barrier element, it is protected from many external influences. If the carrier element with the fluidic device can be removed from the crash barrier element, the expenditure of time and work is reduced.
  • the support element can be made of steel, aluminium, plastic or any other suitable material that forms a cheap and stable variant for a support element.
  • the fluidic device of a lane delimitation element includes a hand pump with which the pressure accumulator of the fluidic device can be charged.
  • charging means increasing the internal pressure of the pressure accumulator by pumping in a fluid, such as a liquid, in particular hydraulic oil or air.
  • a fluid such as a liquid, in particular hydraulic oil or air.
  • the hand pump may be positioned at an angle W in another element, such as the guardrail element, the angle W being in the range of 20° to 60°.
  • the angle W is formed between a longitudinal axis of a cylinder of the hand pump and the longitudinal axis of the crash barrier element.
  • At least one pressure sensor is preferably formed in the pressure accumulator of the fluid power device, the pressure sensor preferably being connected to a data transmission unit.
  • the pressure sensor can be arranged in the pressure accumulator or in a connected line which has the same pressure level or allows conclusions to be drawn about the pressure level in the pressure accumulator.
  • the fluidic device of the lane delimitation element preferably comprises a valve and a movement element, in particular a hydraulic or pneumatic cylinder.
  • the movement speed of the moving element can be adjusted by the valve, in particular by adjusting the mass flow of the fluid through the valve.
  • the movement speed can be adjusted in such a way that the displacement time of the telescopic element over its stroke length is 5-10 seconds.
  • Such a hydraulic device makes it possible for an opening time for the emergency opening to be selected that corresponds to the given situation and/or the requirements.
  • the operating element of the fluid power device can include a locking pin. Movement of the operating element can be blocked by attaching the locking pin.
  • the operating element preferably has a diameter of 100 mm.
  • the advantage of such a control element is that even people with a motor handicap are able to operate the emergency opening and thus save themselves.
  • the control element can be made of plastic, another plastic or similar suitable material.
  • the lane delimitation element withstands the impact at a level T3 according to EN 1317-2.
  • the lane delimitation element preferably comprises an opening tap.
  • the opening tap of the fluid power device can be opened and closed by an operating element.
  • the operation of the lane delimitation element is quick and easy as a result.
  • the object is further achieved by a method for opening a lane delimitation element.
  • the task is solved by a lane delimitation element as described above.
  • a locking device is moved through the fluid power device.
  • the movement of the locking device unlocks the connection between the telescopic element and the stationary element.
  • a telescopic element is moved, in particular shifted into a crash barrier element, by the continuation of the movement of the fluid power device.
  • a lane delimitation element can thus be opened easily.
  • Roadway boundary elements are typically set up along a roadway in the direction of travel.
  • Lane boundary elements therefore typically have an elongated extension Lane direction, wherein the lane delimitation elements have a longitudinal axis which extends in the direction of travel in the intended use of the lane delimitation element.
  • the stationary element and the telescopic element of the lane delimitation element and the crash barrier element each have two side walls.
  • side walls are elements that are arranged laterally with respect to a vertical plane extending through the longitudinal axis.
  • the side walls of the telescopic element and the crash barrier element are each connected to one another and are each formed parallel to one another. They are preferably connected to one another in such a way that the telescopic element and/or the crash barrier element are designed as a hollow profile.
  • the telescopic element is arranged within the crash barrier element so as to be displaceable along a longitudinal axis, with the telescope element being essentially surrounded by the crash barrier element in a cross section transverse to the longitudinal axis.
  • Both the telescopic element and the stationary element as well as the crash barrier element have a cross section that is symmetrical to a vertical plane extending through the longitudinal axis L.
  • the roadway delimiting element can have a traction drive, in particular a cable drive, for displacing the telescopic element relative to the stationary element.
  • the traction drive can be arranged between a side wall of the crash barrier element and a side wall of the telescopic element, in particular in a depression in the telescopic element, and extends in the direction of the longitudinal axis.
  • the indentation on the telescopic element can be placed essentially centrally in relation to a vertical height of the telescopic element, which essentially corresponds to the external dimensions of the telescopic element. This means that the depression is in the middle third of the telescopic element.
  • the traction drive can be arranged vertically, that is to say that an axis of rotation of the drive will extend essentially horizontally.
  • the traction drive is arranged in a bulge of the crash barrier element, or that the roadway delimiting element has two traction drives that lie opposite one another.
  • the vertical arrangement of the traction drive makes it possible to dispense with additional support for the individual strands. It is possible that the traction mechanism has a gear reduction.
  • each lane delimitation element It is possible to equip each lane delimitation element with a crank, which can be inserted into the coupling if necessary.
  • the crank can be countersunk on the lane delimitation element. This means that a separate crank does not have to be provided for each lane delimitation element.
  • a coupling between the traction drive and the crank can be arranged countersunk in the side wall.
  • the telescopic element can be mounted on the crash barrier element by means of rollers.
  • the rollers are preferably located within the crash barrier element and are operatively connected to one or more surfaces of the crash barrier element that are on the inside of the crash barrier element.
  • the rollers are in particular arranged in pairs and can be arranged diametrically opposite one another or offset.
  • the rollers support a side wall of the telescopic element on a side wall of the crash barrier element. One This enables vertical guidance.
  • rollers are provided in pairs at the top and bottom of the telescopic element. This allows the telescopic element to be guided horizontally.
  • a support roller is formed on the telescopic element to absorb at least a portion of the telescopic element's own weight.
  • the lane delimitation element includes a locking device that can be designed as a hook and bolt. It is conceivable to design the hook with a tapered fastening link, with a distance between the fastening link and a pivot point being greater in a first position than the distance between the fastening link and the pivot point in a second position.
  • the first element of the locking device can be designed as a disc with an eccentric.
  • Stationary element, telescopic element and crash barrier element can be made of sheet metal elements.
  • the crash barrier element and the stationary element of the roadway delimiting element can essentially have the contour of an upside-down T.
  • the arms of the T form a base
  • the leg of the T forms a hollow profile.
  • the telescopic element is located within the leg of the crash barrier element.
  • the base of the crash barrier element and the stationary element can have a base plate that closes off the hollow profile.
  • Both telescopic element and stationary element as the crash barrier element is also preferably designed as a welded construction.
  • the figure 1 shows a roadway delimiting element 100.
  • the roadway delimiting element has three main elements, the stationary element 10, the telescopic element 20 and the locking device 30. These elements are arranged in such a way that the locking device 30 forms a detachable connection between the stationary element 10 and the telescopic element 20.
  • the stationary member 10 has a substantially T-shaped cross-sectional shape.
  • the crossbar of the T forms a 300mm wide base, which is arranged at the bottom when used as intended.
  • the leg of the stationary element 10 is essentially a hollow profile.
  • the stationary element 10 has an inner element 42 which is similar in shape to the telescopic element 20 (cf. 4 , 6 ) on.
  • the telescopic element 20 can be moved into a crash barrier element 40 .
  • the crash barrier element 40 has essentially the same contour as the stationary element 10.
  • various rollers 23, 24 and 25 are arranged in the telescopic element 20 (cf. figure 5 ).
  • the locking device 30 comprises a hook 32 and a bolt 31, a handle 35 being attached to the hook 32 and a guide bolt 39 being attached below the hook 32 (cf. 4 ).
  • the telescopic element is 1665 mm long, the stationary element is 2800 mm and the crash barrier element is 7000 mm long.
  • the total length of the lane delimitation element 100 is 5000 mm, the total height is 510 mm.
  • Roadway delimiting element 100 is typically arranged along a roadway (not shown here) and therefore has a longitudinal axis L in the direction of travel.
  • FIG 2 shows the crash barrier element 40 in a sectional view.
  • the fluidic device 50 is arranged in the crash barrier element 40, here a hydraulic device 50, which is arranged on a carrier element 67 made of steel.
  • the hydraulic device 50 consists of the four main elements pressure accumulator 51, hydraulic cylinder 52, hand pump 53 and operating element 54.
  • the pressure accumulator 51 is configured parallel to the longitudinal axis L of the crash barrier element 40 (cf. figure 1 ).
  • the pressure accumulator 51 is connected to an accumulator safety block 55 .
  • the storage safety block 55 is connected both to a flow control valve 56 and to a manometer 57 which indicates the pressure in the hydraulic line 66 .
  • the opening speed of the emergency opening can be adjusted by the flow cross section of the measuring throttle of the flow control valve is increased or decreased by the cock 64.
  • the hydraulic cylinder 52 is essentially formed below the pressure accumulator 51 parallel to the longitudinal axis L of the crash barrier element 40 .
  • the hand pump 53 is formed on the rear side of the hydraulic cylinder, with the axis of the cylinder of the hand pump 53 forming an angle W of 45° to the longitudinal axis L. However, the hand pump 53 can also be arranged at a different angle.
  • a check valve 58 is connected to the hand pump 53 .
  • the hand pump 53 has a lever 59 that can be operated through an opening in the guardrail member 40 located in the leg end of the guardrail member 40 .
  • the opening can be closed with a cover 60 .
  • the cover 60 can be fixed with screws. However, the cover 60 could also be clamped or attached in any other suitable manner.
  • a tank 61 is arranged below the hand pump 53, the longitudinal axis of the cylinder forming an angle W to the longitudinal axis L of 45°. However, the tank 61 could also be arranged at a different angle.
  • the operating element 54 is formed in a further opening in the crash barrier element 40 , this further opening being a continuous incision in the leg end of the crash barrier element 40 , as a result of which the operating element 54 can be operated from both sides of the crash barrier element 40 .
  • the operating element 54 is connected to an opening tap 62 .
  • the hydraulic line 63 from the tank 61 to the check valve 58 of the hand pump 53 is blocked by the opening cock 62.
  • the manometer 58 is connected to this line 63 .
  • a hydraulic line 65 leads from the hydraulic cylinder connection A to the tank 61.
  • Another hydraulic line 66 leads from the flow control valve 56 of the pressure accumulator 51 to the cylinder connection B.
  • the hydraulic lines are arranged between the pressure accumulator 51 and the hydraulic cylinder 52.
  • the opening cock 62 is rotated by the angle K of 90° by pressing down the operating element 54, as a result of which the hydraulic line 63 between the hydraulic cylinder 52 and the tank 61 is opened.
  • the hydraulic oil can escape from cylinder port A.
  • the hydraulic oil in the pressure accumulator 51 flows out through the safety block 55 and the flow control valve 56 into the cylinder connection B and thus retracts the hydraulic cylinder 52 .
  • the operating element 54 is pulled out, as a result of which the opening cock 62 is turned back by the angle K of 90° and the hydraulic line 63 is thereby closed.
  • hydraulic oil is pumped from the tank 61 into the cylinder port A by moving the lever 59 of the hand pump 53 .
  • the hydraulic oil from cylinder port B is pressed back into pressure accumulator 51 by flow control valve 56 and safety block 55 .
  • LoRaWAN Long Range Wide Area Network
  • the manometer which is connected to the pressure accumulator, is connected to a data transmission unit.
  • Other suitable monitoring systems can also be used, provided that this system covers the entire field of application of the lane delimitation element.
  • figure 3 shows a longitudinal section of the connecting device 70 between the hydraulic cylinder 52 and the force transmission element 80 in the form of a traction drive such as a cable, in particular a steel cable.
  • a traction drive such as a cable, in particular a steel cable.
  • chains, belts or other long-moving power transmission elements could also be used.
  • a guide tube 71 is fastened to the rear end of the telescopic element 20 with a fastening element 72 .
  • Piston rod 73 of hydraulic cylinder 52, connecting element 74, turnbuckle 75 and cable clamp 76 are formed in guide tube 71.
  • the piston rod 73 of the hydraulic cylinder 52 is connected to a connecting member 74 by means of the turnbuckle 75 .
  • the connecting link 74 in turn is also connected to the rope clamp 76 .
  • the cable clamp 76 connects the power transmission element 80 to the connecting device 70.
  • FIG 4 shows the locking device 30.
  • the locking device 30 is formed from two main elements, a retaining bolt 31 and a hook 32 with a tapering contour.
  • the hook 32 is designed as a disc with an eccentric.
  • the retaining bolt 31 is arranged on the stationary element 10, the hook 32 on the telescopic element 20.
  • the hook 32 is rotatably mounted about a pivot pin 33.
  • a guide pin 39 is arranged below the hook 32 .
  • the hook 32 can be rotated in the direction of arrow P.
  • a fastening link 34 is arranged on the hook 32 .
  • the fastening link 34 has a first distance X1 and a second distance X2 from the pivot bolt 33, ie it is tapering.
  • the attachment backdrop 34 is set up with this distance to come into operative connection with the retaining bolt 31.
  • the distance X1 is greater than the distance X2.
  • the hook 32 can be engaged with the retaining bolt 31.
  • the guide bolt 39 brings the telescopic element 20 and the stationary element 10 together in such a way that a connection is facilitated.
  • a prestress is created between the telescopic element 20 and the stationary element 10 . They are definitely connected to that.
  • FIG 5 shows the telescopic element 20 in a sectional view. You can see the hook 32 and the traction drive 80, as well as the rollers 24 and 25, which are arranged on the telescopic element. Further rollers 23 are arranged on the crash barrier element 40 . The rollers 23, 24 and 25 support the telescopic element 20 and facilitate the sliding of the telescopic element 20.
  • the rollers 24 are arranged at the top and bottom of the telescopic element 20, with the upper rollers 24 being offset from the lower ones.
  • the telescopic element 20 has four lower and four upper pairs of rollers 24, i.e. a total of sixteen rollers 24.
  • the rollers 23 are two diametrically opposite lateral rollers 23 arranged on the crash barrier element 40, whereby they are located in the recess 26 of the side wall of the telescopic element 20 (cf. Fig.6 ).
  • the roller 25 is located below the hook and behind the guide pin and comes into contact with the ground, thereby supporting the telescopic element 20 and facilitating movement of the telescopic element 20 over the ground.
  • rollers 23, 24 and 25 mentioned can also be used.
  • the axis of rotation 33 of the hook 32 is mounted on the side walls of the telescopic element 20 , the hook 32 being arranged essentially on the front side of the telescopic element 20 .
  • a stop bolt 36 is positioned adjacent the hook 32 .
  • the hook 32 is provided with a bulge 37 to which a connecting bolt 38 is attached.
  • a traction drive 80 here a cable 80, is attached to the connecting bolt 38.
  • the telescopic element 20 Before the emergency opening is opened, the telescopic element 20 is fully extended, the telescopic element 20 is in position C.
  • the piston rod 73 of the hydraulic cylinder 52 is released figure 3 moved in. This is carried out by the connection device 70 figure 3 to a train on the traction drive 80, which is guided over a roller 81.
  • the hook 32 is rotated about its axis of rotation by the train on the traction drive 80 until the bulge 37 reaches the stop bolt 36 .
  • the telescopic element 20 moves away from the stationary element 10 until the position B of the stroke length HL of the telescopic element 20 is reached.
  • the stroke length HL of the telescopic element 20 is the shortest distance between the hook 32 and the end face of the stationary element 10, i.e. positions B and C. This results in an opening in the roadway boundary element 100.
  • a thread is cut at the center of gravity SP, to which a lifting eyelet, hook or other suitable fastening element is attached can become.
  • the cross section of figure 6 is marked in it.
  • the figure 6 shows a cross-section along line A of FIG figure 5 .
  • the telescopic element 20 is arranged within the crash barrier element 40 . Both elements are essentially each formed from two separate halves. A one-piece production would also be conceivable. Both elements have a cross section that is symmetrical to a vertical plane extending through the longitudinal axis L. The side walls of the crash barrier element 40 and the telescopic element 20 are parallel to one another.
  • the telescopic element 20 has an essentially rectangular cross-section, the side walls of the telescopic element 20 for supporting the rollers 23 having a recess 26 halfway up the telescopic element 20, which extends parallel to the longitudinal axis L.
  • the two side walls are curved inward at the upper and lower ends to allow the rollers 24 to be stored. But it is also conceivable to attach the rollers 24 in a different way.
  • the base of the crash barrier element 40 has a base plate 41 which closes off the hollow profile of the crash barrier element 40 .
  • the rollers 24 are visible, which support the telescopic element 20 in relation to the crash barrier element 40 .
  • the rollers 24 lying below are in contact with the base of the crash barrier element 10 and roll over this base.
  • further rollers 24 are arranged offset in the upper area of the telescopic element 20 (cf. figure 5 ), which limit the mobility of the telescopic element vertically upwards.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Description

Die vorliegende Erfindung betrifft ein Fahrbahnbegrenzungselement, sowie ein Verfahren zum Öffnen eines Fahrbahnbegrenzungselements und die Verwendung einer fluidtechnischen Vorrichtung zum Öffnen eines Fahrbahnbegrenzungselements.The present invention relates to a roadway delimiting element and a method for opening a roadway delimiting element and the use of a fluidic device for opening a roadway delimiting element.

Aus dem Stand der Technik sind verschiedene solche Fahrbahnbegrenzungselemente, umgangssprachlich auch Leitplanken genannt, bekannt. Zweck der Fahrbahnbegrenzung ist es, Fahrzeuge bei einem Unfall auf der Fahrbahn zurückzuhalten. Gattungsgemässe Fahrbahnbegrenzungselemente sollen es aber ermöglichen, einen Durchlass für Notfälle bereitzustellen.Various such roadway delimitation elements, colloquially also called crash barriers, are known from the prior art. The purpose of lane delimitation is to hold vehicles back on the roadway in the event of an accident. However, generic roadway delimitation elements should make it possible to provide a passage for emergencies.

Dabei ist mit der DE 20 2004 011 860 U1 eine Vorrichtung zum Öffnen/Schliessen einer Durchfahrt in einer Fahrbahnbegrenzung bekannt geworden. Es handelt sich um ein Fahrbahnbegrenzungselement, welches zweiteilig ausgebildet ist. Ein erstes Element ist stationär und ein zweites Element relativ zu diesem ersten stationären Element verfahrbar angeordnet. In der DE 20 2004 011 860 U1 wird vorgeschlagen, ein Teleskopelement durch eine Hydraulik mit einem motorischen Antrieb zu verschieben. Diese Ausführung ist nachteilig, da sie komplex aufgebaut ist, zusätzliche Energiequellen benötigt und eine aufwändige Wartung erfordert.Here is with the DE 20 2004 011 860 U1 a device for opening/closing a passage in a lane boundary has become known. It is a lane delimitation element which is designed in two parts. A first element is stationary and a second element is arranged to be movable relative to this first stationary element. In the DE 20 2004 011 860 U1 it is proposed to move a telescopic element by hydraulics with a motor drive. This design is disadvantageous because it has a complex structure, requires additional energy sources and requires complex maintenance.

GB 2 479 722 A zeigt ein Fahrbahnbegrenzungselement mit einer fluidtechnischen Vorrichtung. GB 2 479 722 A shows a lane boundary element with a fluidic device.

Es ist Aufgabe der Erfindung diese und weitere Nachteile des Standes der Technik zu beheben und insbesondere ein Fahrbahnbegrenzungselement, das schnell und einfach öffenbar ist und ein Verfahren zum Öffnen eines Fahrbahnbegrenzungselements bereitzustellen, das schnell und einfach ist.It is the object of the invention to eliminate these and other disadvantages of the prior art and in particular to provide a roadway delimitation element that can be opened quickly and easily and a method for opening a roadway delimitation element that is quick and easy.

Diese Aufgabe wird durch eine Vorrichtung und ein Verfahren gemäss den unabhängigen Ansprüchen gelöst.This object is solved by a device and a method according to the independent claims.

Es wird die Aufgabe durch ein Fahrbahnbegrenzungselement gelöst, welches ein stationäres Element und eine Teleskopelement umfasst. Das Teleskopelement ist relativ zum stationären Element bewegbar, wobei das Teleskopelement insbesondere in ein Leitplankenelement verschiebbar ist. Das Teleskopelement und das stationäre Element sind mittels einer Verriegelungsvorrichtung verbunden oder verbindbar. Die Verriegelungsvorrichtung ist mittels eines Kraftübertragungselements, insbesondere eines Zugmitteltriebs, mit einer fluidtechnischen Vorrichtung verbunden. Die Verriegelungsvorrichtung und das Teleskopelement sind durch die fluidtechnische Vorrichtung bewegbar. Die fluidtechnische Vorrichtung umfasst einen Druckspeicher.The object is achieved by a lane delimitation element which comprises a stationary element and a telescopic element. The telescopic element can be moved relative to the stationary element, with the telescopic element being displaceable in particular into a crash barrier element. The telescopic element and the stationary element are connected or can be connected by means of a locking device. The locking device is connected to a fluidic device by means of a force transmission element, in particular a traction drive. The locking device and the telescopic element can be moved by the fluid power device. The fluidic device includes a pressure accumulator.

Die Ausstattung des Fahrbahnbegrenzungselements mit einer fluidtechnischen Vorrichtung, die einen Druckspeicher aufweist, ermöglicht eine kraftsparende Bewegung von Verriegelungsvorrichtung und Teleskopelement unabhängig von einer externen Energiequelle. Insbesondere ist keine weitere motorische Antriebsvorrichtung vorgesehen. Durch den Verzicht auf einen motorischen Antrieb ist das Fahrbahnbegrenzungselement einfacher und billiger herzustellen und zu warten. Die fluidtechnische Vorrichtung kann als Hydraulik oder auch als Pneumatik ausgestaltet sein. Ist das Teleskopelement in ein Leitplankenelement verschiebbar, kann das Teleskopelement verschoben werden, ohne weiteren Platz zu benötigen.Equipping the roadway boundary element with a fluidic device that has a pressure accumulator enables the locking device and telescopic element to be moved in a power-saving manner, independently of an external energy source. In particular, no further motorized drive device is provided. By dispensing with a motor drive, the lane delimitation element is simpler and cheaper to manufacture and maintain. The fluid-technical device can be configured as hydraulic or as pneumatic. If the telescopic element can be moved into a crash barrier element, the telescopic element can be moved without requiring any further space.

Vorzugsweise weist das Fahrbahnbegrenzungselement Befestigungselemente, insbesondere Gewinde, auf. Die Befestigungselemente befinden sich insbesondere am Körperschwerpunkt des Fahrbahnbegrenzungselements. Insbesondere dienen die Befestigungsmöglichkeiten der Befestigung von Hebeösen.The roadway delimiting element preferably has fastening elements, in particular threads. The fastening elements are located in particular at the body's center of gravity of the lane delimitation element. In particular, the attachment options serve to attach lifting lugs.

Dies ermöglicht es, das Fahrbahnbegrenzungselement während des Transports leicht und schnell zu befestigen und damit die Ladungssicherheit zu erhöhen. Ist das Gewinde am Körperschwerpunkt angebracht, wird die Sicherheit weiter erhöht, da das Gleichgewicht der Ladung erhalten und so eine Bewegung wie Kippen oder übermässiges Schwenken verhindert wird. Die Ausgestaltung der Befestigung als Gewinde erlaubt es, Montage und Demontage von Schrauben, Hebeösen oder weiteren Befestigungsmöglichkeiten mit Gewinden einfach und rasch vorzunehmen.This makes it possible to fasten the lane delimitation element easily and quickly during transport and thus to increase load security. Is the thread at the body's center of gravity fitted, safety is further enhanced by maintaining the balance of the load, preventing movement such as tipping or excessive slewing. The design of the attachment as a thread makes it easy and quick to assemble and disassemble screws, lifting lugs or other fastening options with threads.

Vorzugsweise umfasst ein Fahrbahnbegrenzungselement ein Griffelement. Durch eine Betätigung des Griffelements ist die Verriegelungsvorrichtung öffenbar. Durch eine Verwendung des Griffelements ist insbesondere das Teleskopelement bewegbar, insbesondere dann, wenn der Druckspeicher der fluidtechnischen Vorrichtung nicht gefüllt ist.A lane delimitation element preferably comprises a gripping element. The locking device can be opened by actuating the handle element. By using the handle element, in particular the telescopic element can be moved, in particular when the pressure accumulator of the fluid power device is not filled.

Mit einem solchen Griffelement ist das Fahrbahnbegrenzungselement unabhängig vom vorhandenen Druck und der Funktionstüchtigkeit der fluidtechnischen Vorrichtung und kann in einem Notfall immer bedient werden.With such a grip element, the lane delimitation element is independent of the existing pressure and the functionality of the fluid-technical device and can always be operated in an emergency.

Vorzugsweise weist das Teleskopelement eine Hublänge von mindestens 1.6 m auf.The telescopic element preferably has a stroke length of at least 1.6 m.

Eine solche Breite der Notöffnung erlaubt eine problemlose Durchfahrt von Löschunterstützungsfahrzeugen.Such a width of the emergency opening allows fire-fighting support vehicles to pass through without any problems.

Vorzugsweise umfasst die fluidtechnische Vorrichtung eines Fahrbahnbegrenzungselements ein Bewegungselement, insbesondere einen Hydraulik- oder Pneumatikzylinder, eine Verbindungsvorrichtung und ein Bedienelement, insbesondere einen Auslöseknopf.Preferably, the fluidic device of a lane delimitation element comprises a moving element, in particular a hydraulic or pneumatic cylinder, a connecting device and an operating element, in particular a release button.

Durch ein Bewegungselement wie ein Hydraulik- oder Pneumatikzylinder lässt sich der Druck aus dem Druckspeicher leicht in eine Bewegung umwandeln, die durch eine Verbindungsvorrichtung wie Klemmhülsen, Gelenke, Ringe, Haken, Spannschlösser oder andere geeignete Vorrichtungen an das Kraftübertragungselement übertragen werden kann. Ist die fluidtechnische Vorrichtung mit einem Bedienknopf ausgestattet, wird die Benutzung der Notöffnung durch die anwesenden Personen und damit ihre Selbstrettung ermöglicht.A moving element such as a hydraulic or pneumatic cylinder easily converts the pressure from the accumulator into motion which can be transmitted to the power transmission element by a connecting device such as ferrules, joints, rings, hooks, turnbuckles or other suitable devices. Is the fluid power device with a Equipped with an operating button, the use of the emergency opening by the people present and thus their self-rescue is made possible.

Vorzugsweise ist die fluidtechnische Vorrichtung des Fahrbahnbegrenzungselements ausserhalb des Teleskopelements angeordnet. Insbesondere ist die fluidtechnische Vorrichtung in einem Leitplankenelement angeordnet.The fluidic device of the lane delimitation element is preferably arranged outside of the telescopic element. In particular, the fluidic device is arranged in a crash barrier element.

Dadurch wird das Teleskopelement weniger schwer und lässt sich mit weniger Kraftaufwand bewegen. Ist die Hydraulikvorrichtung in einem Leitplankenelement angeordnet, ist es weniger Ausseneinflüssen ausgesetzt und muss somit weniger gewartet werden. Weiter wird keine zusätzliche Abdeckung benötigt, was weniger Material benötigt und somit die Herstellungskosten reduziert.As a result, the telescopic element is less heavy and can be moved with less effort. If the hydraulic device is arranged in a crash barrier element, it is exposed to fewer external influences and therefore requires less maintenance. Furthermore, no additional cover is required, which requires less material and thus reduces the manufacturing costs.

Vorzugsweise umfasst das Fahrbahnbegrenzungselement oder das Leitplankenelement eine verschliessbare Öffnung, insbesondere einen Deckel, der mit Schrauben befestigbar ist, bevorzugt um einen Zugang zur fluidtechnischen Vorrichtung zu ermöglichen.The roadway delimiting element or the crash barrier element preferably comprises a closable opening, in particular a cover which can be fastened with screws, preferably in order to enable access to the fluid-technical device.

Eine verschliessbare Öffnung ermöglicht einen einfachen Zugriff auf die fluidtechnische Vorrichtung, um Wartungsarbeiten wie Ölwechsel vorzunehmen, ohne dass eine vollständige Demontage nötig ist. Damit werden Zeit- und Arbeitsaufwand verringert.A closable opening allows easy access to the fluid power device for maintenance work such as oil changes without the need for complete disassembly. This saves time and effort.

Vorzugsweise ist die fluidtechnische Vorrichtung oder zumindest Teile davon auf einem Trägerelement befestigt. Das Trägerelement ist insbesondere eine Platte mit einer Wandstärke zwischen 1-10 mm. Die Platte ist insbesondere aus Stahl. Das Trägerelement ist im Wesentlichen in einem Leitplankenelement ausgebildet. Das Trägerelement mit der fluidtechnischen Vorrichtung ist insbesondere aus dem Leitplankenelement entfernbar.Preferably, the fluidic device or at least parts thereof is attached to a carrier element. The carrier element is in particular a plate with a wall thickness between 1-10 mm. In particular, the plate is made of steel. The carrier element is essentially formed in a crash barrier element. The carrier element with the fluidic device can be removed in particular from the crash barrier element.

Durch eine Befestigung der fluidtechnischen Vorrichtung an einem Trägerelement lässt sich eine defekte fluidtechnische Vorrichtung einfach und schnell austauschen. Befindet sich ein solches Trägerelement in einem Leitplankenelement, ist es vor vielen Ausseneinflüssen geschützt. Ist das Trägerelement mit der fluidtechnischen Vorrichtung aus dem Leitplankenelement entfernbar, wird Zeit- und Arbeitsaufwand verringert. Das Trägerelement kann aus Stahl, Aluminium, Plastik oder einem sonstigen, geeigneten Material sein, das eine billige und stabile Variante für ein Trägerelement bildet.A defective fluidic device can be eliminated by fastening the fluidic device to a carrier element exchange quickly and easily. If such a carrier element is located in a crash barrier element, it is protected from many external influences. If the carrier element with the fluidic device can be removed from the crash barrier element, the expenditure of time and work is reduced. The support element can be made of steel, aluminium, plastic or any other suitable material that forms a cheap and stable variant for a support element.

Vorzugsweise umfasst die fluidtechnische Vorrichtung eines Fahrbahnbegrenzungselements eine Handpumpe, mit der der Druckspeicher der fluidtechnischen Vorrichtung aufladbar ist.Preferably, the fluidic device of a lane delimitation element includes a hand pump with which the pressure accumulator of the fluidic device can be charged.

Dies ermöglicht ein Aufladen unabhängig vom Standort des Fahrbahnbegrenzungselements und von den dort vorhandenen Einrichtungen. Aufladen bedeutet im Rahmen dieser Erfindung das Erhöhen des Innendrucks des Druckspeichers durch Einpumpen eines Fluids, wie einer Flüssigkeit, insbesondere ein Hydrauliköl oder Luft. Damit die Handpumpe einfach untergebracht und bedient werden kann, kann sie in einem Winkel W in einem anderen Element, wie dem Leitplankenelement, angeordnet sein, wobei der Winkel W im Bereich von 20° bis 60° liegt. Der Winkel W ist im Rahmen der Erfindung zwischen einer Längsachse eines Zylinders der Handpumpe und der Längsachse des Leitplankenelementes ausgebildet.This enables charging regardless of the location of the lane delimitation element and the facilities available there. In the context of this invention, charging means increasing the internal pressure of the pressure accumulator by pumping in a fluid, such as a liquid, in particular hydraulic oil or air. In order for the hand pump to be easily accommodated and operated, it may be positioned at an angle W in another element, such as the guardrail element, the angle W being in the range of 20° to 60°. Within the scope of the invention, the angle W is formed between a longitudinal axis of a cylinder of the hand pump and the longitudinal axis of the crash barrier element.

Vorzugsweise ist mindestens ein Drucksensor im Druckspeicher der fluidtechnischen Vorrichtung ausgebildet, wobei der Drucksensor bevorzugt mit einer Datenübertragungseinheit verbunden ist.At least one pressure sensor is preferably formed in the pressure accumulator of the fluid power device, the pressure sensor preferably being connected to a data transmission unit.

So wird mit geringem Zeit- und Arbeitsaufwand sichergestellt, dass die fluidtechnische Vorrichtung genügend Druck aufweist und so funktionstüchtig ist. Der Drucksensor kann im Druckspeicher oder einer verbundenen Leitung angeordnet sein, die ein gleiches Druckniveau aufweist, oder Rückschlüsse auf das Druckniveau im Druckspeicher zulässt.In this way, it is ensured with little expenditure of time and effort that the fluid power device has sufficient pressure and is thus functional. The pressure sensor can be arranged in the pressure accumulator or in a connected line which has the same pressure level or allows conclusions to be drawn about the pressure level in the pressure accumulator.

Vorzugsweise umfasst die fluidtechnische Vorrichtung des Fahrbahnbegrenzungselements ein Ventil und ein Bewegungselement, insbesondere einen Hydraulik- oder Pneumatikzylinder. Die Bewegungsgeschwindigkeit des Bewegungselements ist durch das Ventil, insbesondere die Einstellung des Massenstroms des Fluides durch das Ventil, einstellbar. Insbesondere ist die Bewegungsgeschwindigkeit so einstellbar, dass die Verschiebezeit des Teleskopelements über seine Hublänge 5-10 Sekunden beträgt.The fluidic device of the lane delimitation element preferably comprises a valve and a movement element, in particular a hydraulic or pneumatic cylinder. The movement speed of the moving element can be adjusted by the valve, in particular by adjusting the mass flow of the fluid through the valve. In particular, the movement speed can be adjusted in such a way that the displacement time of the telescopic element over its stroke length is 5-10 seconds.

Durch eine solche Hydraulikvorrichtung wird es ermöglicht, dass eine Öffnungszeit der Notöffnung gewählt werden kann, die der gegebenen Situation und/oder den Vorgaben entspricht.Such a hydraulic device makes it possible for an opening time for the emergency opening to be selected that corresponds to the given situation and/or the requirements.

Das Bedienelement der fluidtechnischen Vorrichtung kann einen Sicherungsstift umfassen. Durch Anbringung des Sicherungsstifts ist eine Bewegung des Bedienelements blockierbar.The operating element of the fluid power device can include a locking pin. Movement of the operating element can be blocked by attaching the locking pin.

Dadurch wird die Sicherheit erhöht. Vorzugsweise weist das Bedienelement einen Durchmesser von 100 mm auf. Der Vorteil eines solchen Bedienelements ist, dass auch Personen mit einem motorischen Handicap in der Lage sind, die Notöffnung zu bedienen und sich so selbst zu retten. Das Bedienelement kann aus Plastik, einem anderen Kunststoff oder ähnlichen geeigneten Material sein. In einer bevorzugten Variante ist der Anprall eines Fahrzeugs, insbesondere Personenwagens, mit einer Masse von 1300 kg, einer Geschwindigkeit von 80 km/h in einem Anprallwinkel von 8° und/oder eines Fahrzeugs, insbesondere Lastwagens, mit einer Masse von 10000 kg, einer Geschwindigkeit von 70km/h in einem Anprallwinkel von 8° durch die Verriegelungsvorrichtung des Fahrbahnbegrenzungselements aufhaltbar. Dadurch hält das Fahrbahnbegrenzungselement dem Anprall auf einem Niveau T3 nach EN 1317-2 stand.This increases security. The operating element preferably has a diameter of 100 mm. The advantage of such a control element is that even people with a motor handicap are able to operate the emergency opening and thus save themselves. The control element can be made of plastic, another plastic or similar suitable material. In a preferred variant, the impact of a vehicle, in particular a passenger car, with a mass of 1300 kg, a speed of 80 km/h at an impact angle of 8° and/or a vehicle, in particular a truck, with a mass of 10000 kg, A speed of 70km/h can be stopped at an impact angle of 8° by the locking device of the lane delimitation element. As a result, the lane delimitation element withstands the impact at a level T3 according to EN 1317-2.

Vorzugsweise umfasst das Fahrbahnbegrenzungselement einen Öffnungshahn. Der Öffnungshahn der fluidtechnischen Vorrichtung ist durch ein Bedienelement öffenbar und schliessbar.The lane delimitation element preferably comprises an opening tap. The opening tap of the fluid power device can be opened and closed by an operating element.

Die Bedienung des Fahrbahnbegrenzungselements ist dadurch einfach und schnell.The operation of the lane delimitation element is quick and easy as a result.

Die Aufgabe wird weiter durch ein Verfahren zum Öffnen eines Fahrbahnbegrenzungselements gelöst. Es wird die Aufgabe durch ein Fahrbahnbegrenzungselement wie vorgehend beschrieben gelöst. Es wird zunächst eine Verriegelungsvorrichtung durch die fluidtechnische Vorrichtung bewegt. Durch die Bewegung der Verriegelungsvorrichtung wird die Verbindung zwischen Teleskopelement und stationärem Element entriegelt. Nach dem Entriegeln der Verbindung wird durch die Fortsetzung der Bewegung der fluidtechnischen Vorrichtung ein Teleskopelement bewegt, insbesondere in ein Leitplankenelement verschoben.The object is further achieved by a method for opening a lane delimitation element. The task is solved by a lane delimitation element as described above. First, a locking device is moved through the fluid power device. The movement of the locking device unlocks the connection between the telescopic element and the stationary element. After the connection has been unlocked, a telescopic element is moved, in particular shifted into a crash barrier element, by the continuation of the movement of the fluid power device.

Vorteil dieses Verfahrens ist, dass sowohl Entriegeln der Verriegelung von stationärem Element und Teleskopelement und die Bewegung des Teleskopelements alleine durch das Fortsetzen der Bewegung der fluidtechnischen Vorrichtung bewirkt wird. Es ist kein weiterer Antrieb oder Bewegung der fluidtechnischen Vorrichtung notwendig. Damit ist das Verfahren einfach und zuverlässig.The advantage of this method is that both the unlocking of the locking of the stationary element and the telescopic element and the movement of the telescopic element are brought about solely by the continuation of the movement of the fluid power device. No further drive or movement of the fluid power device is necessary. This makes the process simple and reliable.

Zur Lösung der Aufgabe führt weiter die Verwendung einer fluidtechnischen Vorrichtung mit Druckspeicher zur Bewegung eines Teleskopelementes und eines Verriegelungselementes eines Fahrbahnbegrenzungselementes wie vorhergehend beschrieben.The use of a fluid power device with a pressure accumulator for moving a telescopic element and a locking element of a roadway delimitation element as described above also leads to the solution of the task.

Somit lässt sich ein Fahrbahnbegrenzungselement leicht öffnen. Fahrbahnbegrenzungselemente werden typischerweise entlang einer Fahrbahn in Fahrtrichtung aufgestellt. Fahrbahnbegrenzungselemente weisen daher typischerweise eine längliche Erstreckung in Fahrbahnrichtung auf, wobei die Fahrbahnbegrenzungselemente eine Längsachse aufweisen, die sich im bestimmungsgemässen Gebrauch des Fahrbahnbegrenzungselementes in Fahrtrichtung erstreckt.A lane delimitation element can thus be opened easily. Roadway boundary elements are typically set up along a roadway in the direction of travel. Lane boundary elements therefore typically have an elongated extension Lane direction, wherein the lane delimitation elements have a longitudinal axis which extends in the direction of travel in the intended use of the lane delimitation element.

Das stationäre Element und das Teleskopelement des Fahrbahnbegrenzungselements sowie das Leitplankenelement weisen je zwei Seitenwände auf. Definitionsgemäss sind Seitenwände Elemente, die in Bezug zu einer sich durch die Längsachse erstreckenden vertikalen Ebene lateral angeordnet sind. Die Seitenwände des Teleskopelements und des Leitplankenelements sind je miteinander verbunden und sind je parallel zueinander ausgebildet. Vorzugsweise sind sie derart miteinander verbunden, dass das Teleskopelement und/oder das Leitplankenelement als Hohlprofil ausgebildet sind. Das Teleskopelement ist innerhalb des Leitplankenelements entlang einer Längsachse verschiebbar angeordnet, wobei in einem Querschnitt quer zur Längsachse das Teleskopelement im Wesentlichen vom Leitplankenelement umschlossen ist. Sowohl das Teleskopelement und das stationäre Element wie auch das Leitplankenelement weisen einen zu einer sich durch die Längsachse L erstreckende Vertikalebene symmetrischen Querschnitt auf.The stationary element and the telescopic element of the lane delimitation element and the crash barrier element each have two side walls. By definition, side walls are elements that are arranged laterally with respect to a vertical plane extending through the longitudinal axis. The side walls of the telescopic element and the crash barrier element are each connected to one another and are each formed parallel to one another. They are preferably connected to one another in such a way that the telescopic element and/or the crash barrier element are designed as a hollow profile. The telescopic element is arranged within the crash barrier element so as to be displaceable along a longitudinal axis, with the telescope element being essentially surrounded by the crash barrier element in a cross section transverse to the longitudinal axis. Both the telescopic element and the stationary element as well as the crash barrier element have a cross section that is symmetrical to a vertical plane extending through the longitudinal axis L.

Das Fahrbahnbegrenzungselement kann einen Zugmitteltrieb, insbesondere einen Seiltrieb, zum Verschieben des Teleskopelementes relativ zum stationären Element aufweisen. Der Zugmitteltrieb kann zwischen einer Seitenwand des Leitplankenelements und einer Seitenwand des Teleskopelementes, insbesondere in einer Vertiefung des Teleskopelementes, angeordnet sein und erstreckt sich in Richtung der Längsachse. Die Vertiefung am Teleskopelement kann in Bezug auf eine vertikale Höhe des Teleskopelementes, welche im Wesentlichen den Aussenabmessungen des Teleskopelementes entspricht, im Wesentlichen mittig platziert sein. Das heisst, die Vertiefung befindet sich im mittleren Drittel des Teleskopelementes.The roadway delimiting element can have a traction drive, in particular a cable drive, for displacing the telescopic element relative to the stationary element. The traction drive can be arranged between a side wall of the crash barrier element and a side wall of the telescopic element, in particular in a depression in the telescopic element, and extends in the direction of the longitudinal axis. The indentation on the telescopic element can be placed essentially centrally in relation to a vertical height of the telescopic element, which essentially corresponds to the external dimensions of the telescopic element. This means that the depression is in the middle third of the telescopic element.

Der Zugmitteltrieb kann vertikal angeordnet sein, das heisst, eine Drehachse des Antriebes wird sich im Wesentlichen horizontal erstrecken. Zusätzlich oder alternativ kann es vorgesehen sein, den Zugmitteltrieb in einer Auswölbung des Leitplankenelements anzuordnen oder dass das Fahrbahnbegrenzungselement zwei einander gegenüberliegende Zugmitteltriebe aufweist.The traction drive can be arranged vertically, that is to say that an axis of rotation of the drive will extend essentially horizontally. In addition or as an alternative, it can be provided that the traction drive is arranged in a bulge of the crash barrier element, or that the roadway delimiting element has two traction drives that lie opposite one another.

Die vertikale Anordnung des Zugmitteltriebes ermöglicht es, auf eine zusätzliche Abstützung der einzelnen Trume zu Verzichten. Es ist möglich, dass der Zugmitteltrieb eine Untersetzung aufweist.The vertical arrangement of the traction drive makes it possible to dispense with additional support for the individual strands. It is possible that the traction mechanism has a gear reduction.

Es ist möglich, jedes Fahrbahnbegrenzungselement mit einer Kurbel auszurüsten, die im Bedarfsfall in die Kupplung eingesetzt wird. Die Kurbel kann zu diesem Zweck am Fahrbahnbegrenzungselement versenkt angebracht sein. Damit muss nicht für jedes Fahrbahnbegrenzungselement eine separate Kurbel vorgesehen werden. Um das Fahrbahnbegrenzungselement zu benutzen, d.h. um das Teleskopelement gegenüber dem stationären Element relativ zu verfahren, genügt es somit, dass der Arbeiter, oder der Benutzer, der das Fahrbahnbegrenzungselement manipuliert, lediglich mit einer einzigen Kurbel ausgerüstet sein muss. Eine Kupplung zwischen dem Zugmitteltrieb und der Kurbel kann in der Seitenwand versenkt angeordnet sein.It is possible to equip each lane delimitation element with a crank, which can be inserted into the coupling if necessary. For this purpose, the crank can be countersunk on the lane delimitation element. This means that a separate crank does not have to be provided for each lane delimitation element. In order to use the lane-limiting element, i.e. to move the telescopic element relative to the stationary element, it is thus sufficient that the worker or the user who manipulates the lane-limiting element only needs to be equipped with a single crank. A coupling between the traction drive and the crank can be arranged countersunk in the side wall.

Das Teleskopelement kann mittels Rollen am Leitplankenelement gelagert sein. Die Rollen befinden sich bevorzugt innerhalb des Leitplankenelements und sind mit einer oder mehreren in Leitplankenelement innenliegenden Flächen des Leitplankenelements in Wirkverbindung. Die Rollen sind insbesondere paarweise angeordnet und können diametral oder versetzt gegenüberliegend angeordnet sein. Dabei stützen die Rollen eine Seitenwand des Teleskopelementes auf einer Seitenwand des Leitplankenelements ab. Eine vertikale Führung ist dadurch ermöglicht. Zudem sind am Teleskopelement oben und unten jeweils paarweise Rollen vorgesehen. Damit ist eine horizontale Führung des Teleskopelementes ermöglicht. Zusätzlich ist am Teleskopelement eine Stützrolle zur Aufnahme zumindest eines Teiles des Eigengewichtes des Teleskopelementes ausgebildet. Das heisst, beim Verfahren oder Teleskopieren des Teleskopelementes entfernt sich ein Ende des Teleskopelementes in Bezug auf das Leitplankenelement. Durch das Eigengewicht des Teleskopelementes neigt dieses dazu, mit diesem Ende nach unten gebogen zu werden. Durch die Stützrolle kann das verhindert werden.The telescopic element can be mounted on the crash barrier element by means of rollers. The rollers are preferably located within the crash barrier element and are operatively connected to one or more surfaces of the crash barrier element that are on the inside of the crash barrier element. The rollers are in particular arranged in pairs and can be arranged diametrically opposite one another or offset. The rollers support a side wall of the telescopic element on a side wall of the crash barrier element. One This enables vertical guidance. In addition, rollers are provided in pairs at the top and bottom of the telescopic element. This allows the telescopic element to be guided horizontally. In addition, a support roller is formed on the telescopic element to absorb at least a portion of the telescopic element's own weight. This means that when the telescopic element is moved or telescoped, one end of the telescopic element moves away in relation to the crash barrier element. Due to the telescopic element's own weight, this tends to be bent downwards with this end. This can be prevented by the support roller.

Das Fahrbahnbegrenzungselement umfasst eine Verriegelungsvorrichtung, die als Haken und Bolzen ausgebildet sein kann. Es ist vorstellbar, den Haken mit einer zulaufenden Befestigungskulisse auszubilden, wobei ein Abstand der Befestigungskulisse zu einem Drehpunkt in einer ersten Position grösser ist als der Abstand der Befestigungskulisse zum Drehpunkt in einer zweiten Position. Dabei kann das erste Element der Verriegelungsvorrichtung als Scheibe mit einem Exzenter ausgebildet sein.The lane delimitation element includes a locking device that can be designed as a hook and bolt. It is conceivable to design the hook with a tapered fastening link, with a distance between the fastening link and a pivot point being greater in a first position than the distance between the fastening link and the pivot point in a second position. The first element of the locking device can be designed as a disc with an eccentric.

Stationäres Element, Teleskopelement und Leitplankenelement können aus Blechelementen gefertigt sein. In Bezug zur Lage des Fahrbahnbegrenzungselementes bei bestimmungsgemässen Gebrauch kann das Leitplankenelement und das stationäre Elements des Fahrbahnbegrenzungselements im Wesentlichen die Kontur eines auf den Kopf gestellten T's aufweisen. Die Arme des T's bilden einen Sockel, der Schenkel des T's bildet ein Hohlprofil. Innerhalb des Schenkels des Leitplankenelements befindet sich das Teleskopelement. Der Sockel des Leitplankenelements und des stationären Elements können eine Bodenplatte aufweisen, die das Hohlprofil abschliessen. Sowohl Teleskopelement und stationäres Element als auch das Leitplankenelement sind vorzugsweise als Schweisskonstruktion ausgebildet.Stationary element, telescopic element and crash barrier element can be made of sheet metal elements. In relation to the position of the roadway delimiting element when used as intended, the crash barrier element and the stationary element of the roadway delimiting element can essentially have the contour of an upside-down T. The arms of the T form a base, the leg of the T forms a hollow profile. The telescopic element is located within the leg of the crash barrier element. The base of the crash barrier element and the stationary element can have a base plate that closes off the hollow profile. Both telescopic element and stationary element as the crash barrier element is also preferably designed as a welded construction.

Eine Ausführungsform eines Fahrbahnbegrenzungselements wird anhand nachfolgender Figuren beispielhaft erklärt. Es zeigt:

Figur 1:
Fahrbahnbegrenzungselement in perspektivischer Darstellung
Figur 2:
Querschnitt durch das Leitplankenelement
Figur 3:
Querschnitt durch die Verbindungsvorrichtung der Hydraulikvorrichtung
Figur 4:
Detail der Verriegelungsvorrichtung
Figur 5:
Querschnitt durch das Teleskopelement
Figur 6:
Querschnitt durch das Leitplankenelement und Teleskopelement
An embodiment of a lane delimitation element is explained by way of example with reference to the following figures. It shows:
Figure 1:
Lane delimitation element in a perspective view
Figure 2:
Cross section through the crash barrier element
Figure 3:
Cross section through the connecting device of the hydraulic device
Figure 4:
Detail of the locking device
Figure 5:
Cross section through the telescopic element
Figure 6:
Cross section through the crash barrier element and telescopic element

Die Figur 1 zeigt ein Fahrbahnbegrenzungselement 100. Das Fahrbahnbegrenzungselement weist drei Hauptelemente auf, das stationäre Element 10, das Teleskopelement 20 und die Verriegelungsvorrichtung 30. Diese Elemente sind so angeordnet, dass die Verriegelungsvorrichtung 30 zwischen stationärem Element 10 und Teleskopelement 20 eine lösbare Verbindung bildet.the figure 1 shows a roadway delimiting element 100. The roadway delimiting element has three main elements, the stationary element 10, the telescopic element 20 and the locking device 30. These elements are arranged in such a way that the locking device 30 forms a detachable connection between the stationary element 10 and the telescopic element 20.

Das stationäre Element 10 hat im Wesentlichen eine T-förmige Querschnittsform. Der Querbalken des T bildet einen 300mm breiten Sockel, der im bestimmungsgemässen Einsatz unten angeordnet ist. Der Schenkel des stationären Elements 10 ist im Wesentlichen ein Hohlprofil. Das stationäre Element 10 weist ein seiner Form dem Teleskopelement 20 gleichendes Innenelement 42 (vgl. Fig. 4, Fig. 6) auf.The stationary member 10 has a substantially T-shaped cross-sectional shape. The crossbar of the T forms a 300mm wide base, which is arranged at the bottom when used as intended. The leg of the stationary element 10 is essentially a hollow profile. The stationary element 10 has an inner element 42 which is similar in shape to the telescopic element 20 (cf. 4 , 6 ) on.

Das Teleskopelement 20 lässt sich in ein Leitplankenelement 40 verschieben. Das Leitplankenelement 40 hat im Wesentlichen die gleiche Kontur wie das stationäre Element 10. Um das Verschieben des Teleskopelementes 20 zu erleichtern, sind im Teleskopelement 20 verschiedene Rollen 23, 24 und 25 angeordnet (vgl. Figur 5). Die Verriegelungsvorrichtung 30 umfasst einen Haken 32 und einen Bolzen 31, wobei am Haken 32 ein Griff 35 und unterhalb des Hakens 32 ein Führungsbolzen 39 angebracht ist (vgl. Fig. 4). Das Teleskopelement ist 1665 mm, das stationäre Element 2800 mm und das Leitplankenelement 7000 mm lang. Die Gesamtlänge des Fahrbahnbegrenzungselements 100 beträgt 5000mm, die Gesamthöhe 510 mm.The telescopic element 20 can be moved into a crash barrier element 40 . The crash barrier element 40 has essentially the same contour as the stationary element 10. In order to facilitate the displacement of the telescopic element 20, various rollers 23, 24 and 25 are arranged in the telescopic element 20 (cf. figure 5 ). The locking device 30 comprises a hook 32 and a bolt 31, a handle 35 being attached to the hook 32 and a guide bolt 39 being attached below the hook 32 (cf. 4 ). The telescopic element is 1665 mm long, the stationary element is 2800 mm and the crash barrier element is 7000 mm long. The total length of the lane delimitation element 100 is 5000 mm, the total height is 510 mm.

Das Fahrbahnbegrenzungselement 100 ist typischerweise entlang einer hier nicht gezeigten Fahrbahn angeordnet und weist daher in Fahrtrichtung eine Längsachse L auf.Roadway delimiting element 100 is typically arranged along a roadway (not shown here) and therefore has a longitudinal axis L in the direction of travel.

Figur 2 zeigt das Leitplankenelement 40 in Schnittdarstellung. Im Leitplankenelement 40 ist die fluidtechnische Vorrichtung 50 angeordnet, hier eine Hydraulikvorrichtung 50, die auf einem Trägerelement 67 aus Stahl angeordnet ist. figure 2 shows the crash barrier element 40 in a sectional view. The fluidic device 50 is arranged in the crash barrier element 40, here a hydraulic device 50, which is arranged on a carrier element 67 made of steel.

Die Hydraulikvorrichtung 50 besteht aus den vier Hauptelementen Druckspeicher 51, Hydraulikzylinder 52, Handpumpe 53 und Bedienelement 54.The hydraulic device 50 consists of the four main elements pressure accumulator 51, hydraulic cylinder 52, hand pump 53 and operating element 54.

Der Druckspeicher 51 ist parallel zur Längsachse L des Leitplankenelements 40 ausgebildet (vgl. Figur 1). Der Druckspeicher 51 ist mit einem Speichersicherheitsblock 55 verbunden. Der Speichersicherheitsblock 55 ist sowohl mit einem Stromregelventil 56 wie auch mit einem Manometer 57 verbunden, das den Druck in der Hydraulikleitung 66 anzeigt. Durch das Stromregelventil 56 lässt sich die Öffnungsgeschwindigkeit der Notöffnung einstellen, indem der Durchflussquerschnitt der Messdrossel des Stromregelventils durch den Hahn 64 vergrössert oder verkleinert wird.The pressure accumulator 51 is configured parallel to the longitudinal axis L of the crash barrier element 40 (cf. figure 1 ). The pressure accumulator 51 is connected to an accumulator safety block 55 . The storage safety block 55 is connected both to a flow control valve 56 and to a manometer 57 which indicates the pressure in the hydraulic line 66 . Through the flow control valve 56, the opening speed of the emergency opening can be adjusted by the flow cross section of the measuring throttle of the flow control valve is increased or decreased by the cock 64.

Der Hydraulikzylinder 52 ist im Wesentlichen unterhalb des Druckspeichers 51 parallel zur Längsachse L des Leitplankenelements 40 ausgebildet. Die Handpumpe 53 ist auf der Rückseite des Hydraulikzylinders ausgebildet, wobei die Achse des Zylinders der Handpumpe 53 zur Längsachse L einen Winkel W von 45° bildet. Die Handpumpe 53 kann aber auch in einem anderen Winkel angeordnet werden.The hydraulic cylinder 52 is essentially formed below the pressure accumulator 51 parallel to the longitudinal axis L of the crash barrier element 40 . The hand pump 53 is formed on the rear side of the hydraulic cylinder, with the axis of the cylinder of the hand pump 53 forming an angle W of 45° to the longitudinal axis L. However, the hand pump 53 can also be arranged at a different angle.

Ein Rückschlagventil 58 ist mit der Handpumpe 53 verbunden. Die Handpumpe 53 weist einen Hebel 59 auf, der durch eine Öffnung im Leitplankenelement 40 bedient werden kann, die sich im Schenkelende des Leitplankenelements 40 befindet. Die Öffnung kann mit einem Deckel 60 verschlossen werden. Der Deckel 60 kann mit Schrauben befestigt werden. Der Deckel 60 könnte jedoch auch geklemmt oder auf eine sonstige geeignete Art befestigt werden. Unterhalb der Handpumpe 53 ist ein Tank 61 angeordnet, wobei die Längsachse des Zylinders zur Längsachse L einen Winkel W von 45° bildet. Der Tank 61 könnte aber auch in einem anderen Winkel angeordnet sein.A check valve 58 is connected to the hand pump 53 . The hand pump 53 has a lever 59 that can be operated through an opening in the guardrail member 40 located in the leg end of the guardrail member 40 . The opening can be closed with a cover 60 . The cover 60 can be fixed with screws. However, the cover 60 could also be clamped or attached in any other suitable manner. A tank 61 is arranged below the hand pump 53, the longitudinal axis of the cylinder forming an angle W to the longitudinal axis L of 45°. However, the tank 61 could also be arranged at a different angle.

Das Bedienelement 54 ist in einer weiteren Öffnung im Leitplankenelement 40 ausgebildet, wobei diese weitere Öffnung ein durchgängiger Einschnitt im Schenkelende des Leitplankenelements 40 ist, wodurch das Bedienelement 54 von beiden Seiten des Leitplankenelements 40 bedient werden kann. Das Bedienelement 54 ist mit einem Öffnungshahn 62 verbunden.The operating element 54 is formed in a further opening in the crash barrier element 40 , this further opening being a continuous incision in the leg end of the crash barrier element 40 , as a result of which the operating element 54 can be operated from both sides of the crash barrier element 40 . The operating element 54 is connected to an opening tap 62 .

Die Hydraulikleitung 63 vom Tank 61 zum Rückschlagventil 58 der Handpumpe 53 wird durch den Öffnungshahn 62 versperrt. An dieser Leitung 63 ist der Manometer 58 angeschlossen. Eine Hydraulikleitung 65 führt vom Hydraulikzylinderanschluss A zum Tank 61. Eine weitere Hydraulikleitung 66 führt vom Stromregelventil 56 des Druckspeichers 51 zum Zylinderanschluss B. Die Hydraulikleitungen sind zwischen Druckspeicher 51 und Hydraulikzylinder 52 angeordnet.The hydraulic line 63 from the tank 61 to the check valve 58 of the hand pump 53 is blocked by the opening cock 62. The manometer 58 is connected to this line 63 . A hydraulic line 65 leads from the hydraulic cylinder connection A to the tank 61. Another hydraulic line 66 leads from the flow control valve 56 of the pressure accumulator 51 to the cylinder connection B. The hydraulic lines are arranged between the pressure accumulator 51 and the hydraulic cylinder 52.

Zum Verschieben des Teleskopelements 20 in das Leitplankenelement 40, also zum Öffnen der Notöffnung, wird durch Herunterdrücken des Bedienelements 54 der Öffnungshahn 62 um den Winkel K von 90° gedreht, wodurch die Hydraulikleitung 63 zwischen Hydraulikzylinder 52 und Tank 61 geöffnet wird. Das Hydrauliköl kann aus dem Zylinderanschluss A entweichen. Das im Druckspeicher 51 befindliche Hydrauliköl fliesst durch den Sicherheitsblock 55 und das Stromregelventil 56 heraus in den Zylinderanschluss B und fährt den Hydraulikzylinder 52 so ein.To move the telescopic element 20 into the crash barrier element 40, i.e. to open the emergency opening, the opening cock 62 is rotated by the angle K of 90° by pressing down the operating element 54, as a result of which the hydraulic line 63 between the hydraulic cylinder 52 and the tank 61 is opened. The hydraulic oil can escape from cylinder port A. The hydraulic oil in the pressure accumulator 51 flows out through the safety block 55 and the flow control valve 56 into the cylinder connection B and thus retracts the hydraulic cylinder 52 .

Zum Schliessen der Notöffnung wird das Bedienelement 54 herausgezogen, wodurch sich der Öffnungshahn 62 um den Winkel K von 90° zurück gedreht und die Hydraulikleitung 63 dadurch verschlossen wird. Alternativ oder zusätzlich durch Bewegung des Hebels 59 der Handpumpe 53 wird Hydrauliköl vom Tank 61 in den Zylinderanschluss A gepumpt. Das Hydrauliköl aus dem Zylinderanschluss B wird durch Stromregelventil 56 und Sicherheitsblock 55 in den Druckspeicher 51 zurückgepresst.To close the emergency opening, the operating element 54 is pulled out, as a result of which the opening cock 62 is turned back by the angle K of 90° and the hydraulic line 63 is thereby closed. Alternatively or additionally, hydraulic oil is pumped from the tank 61 into the cylinder port A by moving the lever 59 of the hand pump 53 . The hydraulic oil from cylinder port B is pressed back into pressure accumulator 51 by flow control valve 56 and safety block 55 .

Eine Fernüberwachung des Druckspeicher mittels LoRaWAN-Technologie(Long Range Wide Area Network) ist möglich, wo dieses Netz in der Einsatzregion des Fahrbahnbegrenzungselements vorhanden ist. Dazu wird das Manometer, das mit dem Druckspeicher verbunden ist, mit einer Datenübertragungseinheit verbunden. Es können aber auch andere geeignete Überwachungssysteme verwendet werden, unter Voraussetzung, dass dieses System das ganze Einsatzgebiet des Fahrbahnbegrenzungselements abdeckt.Remote monitoring of the pressure accumulator using LoRaWAN technology (Long Range Wide Area Network) is possible where this network is available in the region of use of the lane boundary element. To do this, the manometer, which is connected to the pressure accumulator, is connected to a data transmission unit. However, other suitable monitoring systems can also be used, provided that this system covers the entire field of application of the lane delimitation element.

Figur 3 zeigt einen Längsschnitt der Verbindungsvorrichtung 70 zwischen Hydraulikzylinder 52 und Kraftübertragungselement 80 in Form eines Zugmitteltriebs wie ein Seil, insbesondere ein Stahlseil. Es könnten aber auch Ketten, Riemen oder andere lange bewegliche Kraftübertragungselemente genutzt werden. figure 3 shows a longitudinal section of the connecting device 70 between the hydraulic cylinder 52 and the force transmission element 80 in the form of a traction drive such as a cable, in particular a steel cable. However, chains, belts or other long-moving power transmission elements could also be used.

Ein Führungsrohr 71 ist mit einem Befestigungselement 72 am hinteren Ende des Teleskopelements 20 befestigt. Im Führungsrohr 71 sind Kolbenstange 73 des Hydraulikzylinders 52, Verbindungselement 74, Spannschloss 75 und Seilklemme 76 ausgebildet. Die Kolbenstange 73 des Hydraulikzylinders 52 ist mittels des Spannschlosses 75 mit einem Verbindungsglied 74 verbunden. Das Verbindungsglied 74 wiederum ist auch mit der Seilklemme 76 verbunden. Die Seilklemme 76 verbindet das Kraftübertragungselement 80 mit der Verbindungsvorrichtung 70. Unabhängig von der Funktionstüchtigkeit der Fluidtechnische Vorrichtung 50, insbesondere bei einem leeren Druckspeicher 51, kann das Teleskopelement 20 bewegt, die Notöffnung also geöffnet und geschlossen werden. Durch Betätigen des Handgriffelements 35 (Figur 5) wird das Führungsrohr 71 über der Kolbenstange 73 verschoben.A guide tube 71 is fastened to the rear end of the telescopic element 20 with a fastening element 72 . Piston rod 73 of hydraulic cylinder 52, connecting element 74, turnbuckle 75 and cable clamp 76 are formed in guide tube 71. The piston rod 73 of the hydraulic cylinder 52 is connected to a connecting member 74 by means of the turnbuckle 75 . The connecting link 74 in turn is also connected to the rope clamp 76 . The cable clamp 76 connects the power transmission element 80 to the connecting device 70. Regardless of the functionality of the fluid power device 50, in particular when the pressure accumulator 51 is empty, the telescopic element 20 can be moved, the emergency opening can therefore be opened and closed. By actuating the handle element 35 ( figure 5 ) the guide tube 71 is pushed over the piston rod 73.

Figur 4 zeigt die Verriegelungsvorrichtung 30. Die Verriegelungsvorrichtung 30 ist vorliegend aus zwei Hauptelementen ausgebildet, einem Haltebolzen 31 und einem Haken 32 mit einer zulaufenden Kontur. Der Haken 32 ist vorliegend als eine Scheibe mit einem Exzenter ausgebildet. Der Haltebolzen 31 ist am stationären Element 10 angeordnet, der Haken 32 am Teleskopelement 20. Der Haken 32 ist um einen Drehbolzen 33 drehbar gelagert. Unterhalb des Hakens 32 ist ein Führungsbolzen 39 angeordnet. Der Haken 32 kann in Pfeilrichtung P gedreht werden. Am Haken 32 ist eine Befestigungskulisse 34 angeordnet. Die Befestigungskulisse 34 weist zum Drehbolzen 33 einen ersten Abstand X1 und einen zweiten Abstand X2 auf, ist also zulaufend. Die Befestigungskulisse 34 ist mit diesem Abstand dazu eingerichtet, mit dem Haltebolzen 31 in Wirkverbindung zu treten. Der Abstand X1 ist dabei grösser als der Abstand X2. Somit kann der Haken 32 mit dem Haltebolzen 31 in Eingriff gebracht werden. Durch Drehen des Hakens 32 in Pfeilrichtung P wird ein Abstand zwischen dem Teleskopelement 20 und dem stationären Element 10 verkürzt. Der Führungsbolzen 39 führt Teleskopelement 20 und stationäres Element 10 so zusammen, dass eine Verbindung erleichtert wird. Sobald die Stirnseiten von Teleskopelement 20 und stationärem Element 10 aufeinander treffen und der Haken 32 weiter in Pfeilrichtung P gedreht wird, entsteht zwischen den Teleskopelement 20 und stationärem Element 10 eine Vorspannung. Damit sind sie sicher verbunden. figure 4 shows the locking device 30. In the present case, the locking device 30 is formed from two main elements, a retaining bolt 31 and a hook 32 with a tapering contour. In the present case, the hook 32 is designed as a disc with an eccentric. The retaining bolt 31 is arranged on the stationary element 10, the hook 32 on the telescopic element 20. The hook 32 is rotatably mounted about a pivot pin 33. A guide pin 39 is arranged below the hook 32 . The hook 32 can be rotated in the direction of arrow P. A fastening link 34 is arranged on the hook 32 . The fastening link 34 has a first distance X1 and a second distance X2 from the pivot bolt 33, ie it is tapering. The attachment backdrop 34 is set up with this distance to come into operative connection with the retaining bolt 31. The distance X1 is greater than the distance X2. Thus, the hook 32 can be engaged with the retaining bolt 31. By rotating the hook 32 in the direction of arrow P, a distance between the telescopic member 20 and the stationary member 10 is shortened. The guide bolt 39 brings the telescopic element 20 and the stationary element 10 together in such a way that a connection is facilitated. As soon as the end faces of the telescopic element 20 and the stationary element 10 meet and the hook 32 is rotated further in the direction of the arrow P, a prestress is created between the telescopic element 20 and the stationary element 10 . They are definitely connected to that.

Figur 5 zeigt das Teleskopelement 20 in einer Schnittansicht. Zu sehen ist der Haken 32 und der Zugmitteltrieb 80, sowie die Rollen 24 und 25, welche am Teleskopelement angeordnet sind. Weiter Rollen 23 sind am Leitplankenelement 40 angeordnet. Die Rollen 23, 24 und 25 stützen das Teleskopelement 20 ab und erleichtern das Verschieben des Teleskopelementes 20. figure 5 shows the telescopic element 20 in a sectional view. You can see the hook 32 and the traction drive 80, as well as the rollers 24 and 25, which are arranged on the telescopic element. Further rollers 23 are arranged on the crash barrier element 40 . The rollers 23, 24 and 25 support the telescopic element 20 and facilitate the sliding of the telescopic element 20.

Die Rollen 24 sind oben und unten am Teleskopelement 20 angeordnet, wobei die oberen Rollen 24 versetzt zu den unteren angeordnet sind. Das Teleskopelement 20 weist vier untere und vier obere Rollenpaare 24 auf, also insgesamt sechzehn Rollen 24.The rollers 24 are arranged at the top and bottom of the telescopic element 20, with the upper rollers 24 being offset from the lower ones. The telescopic element 20 has four lower and four upper pairs of rollers 24, i.e. a total of sixteen rollers 24.

Die Rollen 23 sind am Leitplankenelement 40 zwei sich diametral gegenüberliegende, seitliche Rollen 23 angeordnet, wobei sie sich in der Vertiefung 26 der Seitenwand des Teleskopelements 20 befinden (vgl. Fig.6).The rollers 23 are two diametrically opposite lateral rollers 23 arranged on the crash barrier element 40, whereby they are located in the recess 26 of the side wall of the telescopic element 20 (cf. Fig.6 ).

Die Rolle 25 ist unterhalb des Hakens und hinter dem Führungsbolzen angeordnet und kommt mit dem Untergrund in Kontakt, wodurch sie das Teleskopelement 20 abstützt und das Bewegen des Teleskopelements 20 über den Untergrund erleichtert.The roller 25 is located below the hook and behind the guide pin and comes into contact with the ground, thereby supporting the telescopic element 20 and facilitating movement of the telescopic element 20 over the ground.

Es können aber auch mehr oder weniger als die genannten Rollen 23, 24 und 25 verwendet werden.However, more or fewer than the rollers 23, 24 and 25 mentioned can also be used.

Die Drehachse 33 des Hakens 32 ist an den Seitenwänden des Teleskopelements 20 gelagert, wobei der Haken 32 im Wesentlichen an der vorderen Seite des Teleskopelements 20 angeordnet ist. Ein Stoppbolzen 36 ist neben dem Haken 32 angeordnet. Der Haken 32 ist mit einer Wölbung 37 versehen, an der ein Verbindungsbolzen 38 befestigt ist. Am Verbindungsbolzen 38 ist ein Zugmitteltrieb 80, hier ein Seil 80, befestigt.The axis of rotation 33 of the hook 32 is mounted on the side walls of the telescopic element 20 , the hook 32 being arranged essentially on the front side of the telescopic element 20 . A stop bolt 36 is positioned adjacent the hook 32 . The hook 32 is provided with a bulge 37 to which a connecting bolt 38 is attached. A traction drive 80, here a cable 80, is attached to the connecting bolt 38.

Vor dem Öffnen der Notöffnung ist das Teleskopelement 20 vollkommen ausgefahren, das Teleskopelement 20 befindet sich in der Position C. Beim Öffnen der Notöffnung wird die Kolbenstange 73 des Hydraulikzylinders 52 aus Figur 3 eingezogen. Das führt durch die Verbindungsvorrichtung 70 aus Figur 3 zu einem Zug am Zugmitteltrieb 80, der über eine Rolle 81 geführt wird. Durch den Zug am Zugmitteltrieb 80 wird der Haken 32 um seine Drehachse gedreht wird, bis die Wölbung 37 den Stoppbolzen 36 erreicht. Ist dieser erreicht, bewegt sich das Teleskopelement 20 vom stationären Element 10 weg, bis die Position B der Hublänge HL des Teleskopelements 20 erreicht ist. Die Hublänge HL des Teleskopelementes 20 ist die kürzeste Distanz zwischen dem Haken 32 und der Stirnseite des stationären Elements 10, also der Position B und C. Dadurch ergibt sich eine Öffnung im Fahrbahnbegrenzungselement 100.Before the emergency opening is opened, the telescopic element 20 is fully extended, the telescopic element 20 is in position C. When the emergency opening is opened, the piston rod 73 of the hydraulic cylinder 52 is released figure 3 moved in. This is carried out by the connection device 70 figure 3 to a train on the traction drive 80, which is guided over a roller 81. The hook 32 is rotated about its axis of rotation by the train on the traction drive 80 until the bulge 37 reaches the stop bolt 36 . When this is reached, the telescopic element 20 moves away from the stationary element 10 until the position B of the stroke length HL of the telescopic element 20 is reached. The stroke length HL of the telescopic element 20 is the shortest distance between the hook 32 and the end face of the stationary element 10, i.e. positions B and C. This results in an opening in the roadway boundary element 100.

Am Schwerpunkt SP ist ein Gewinde geschnitten, woran eine Hebeöse, Haken oder sonstige geeignete Befestigungselemente angebracht werden können. Der Querschnitt der Figur 6 ist darin eingezeichnet.A thread is cut at the center of gravity SP, to which a lifting eyelet, hook or other suitable fastening element is attached can become. The cross section of figure 6 is marked in it.

Die Figur 6 zeigt einen Querschnitt entlang der Linie A aus der Figur 5. Das Teleskopelement 20 ist innerhalb des Leitplankenelements 40 angeordnet. Beide Elemente sind im Wesentlichen je aus zwei separaten Hälften gebildet. Eine einstückige Fertigung wäre aber ebenso vorstellbar. Beide Elemente weisen einen zu einer sich durch die Längsachse L erstreckende Vertikalebene symmetrischen Querschnitt auf. Die Seitenwände des Leitplankenelementes 40 und des Teleskopelementes 20 sind parallel zueinander ausgebildet. Das Teleskopelement 20 weist einen im Wesentlichen rechteckigen Querschnitt auf, wobei die Seitenwänden des Teleskopelements 20 zur Lagerung der Rollen 23 eine Vertiefung 26 in halber Höhe des Teleskopelements 20 auf, die sich parallel zur Längsachse L erstreckt. Zudem sind die beiden Seitenwände an den oberen und unteren Enden nach Innen gekrümmt, um eine Lagerung der Rollen 24 zu erlauben. Es ist aber auch denkbar, die Rollen 24 auf eine andere Weise zu befestigen.the figure 6 shows a cross-section along line A of FIG figure 5 . The telescopic element 20 is arranged within the crash barrier element 40 . Both elements are essentially each formed from two separate halves. A one-piece production would also be conceivable. Both elements have a cross section that is symmetrical to a vertical plane extending through the longitudinal axis L. The side walls of the crash barrier element 40 and the telescopic element 20 are parallel to one another. The telescopic element 20 has an essentially rectangular cross-section, the side walls of the telescopic element 20 for supporting the rollers 23 having a recess 26 halfway up the telescopic element 20, which extends parallel to the longitudinal axis L. In addition, the two side walls are curved inward at the upper and lower ends to allow the rollers 24 to be stored. But it is also conceivable to attach the rollers 24 in a different way.

Der Sockel des Leitplankenelementes 40 weist eine Bodenplatte 41 auf, die das Hohlprofil des Leitplankenelementes 40 abschliesst. In der Figur 6 sind die Rollen 24 sichtbar, welche das Teleskopelement 20 gegenüber dem Leitplankenelement 40 abstützen. Die in der Figur 6 unten liegenden Rollen 24 sind in Kontakt mit dem Sockel des Leitplankenelements 10 und rollen über diesen Sockel ab. Zudem sind versetzt am oberen Bereich des Teleskopelementes 20 weitere Rollen 24 angeordnet (vgl. Figur 5), die das Teleskopelement vertikal nach oben in seiner Mobilität begrenzen.The base of the crash barrier element 40 has a base plate 41 which closes off the hollow profile of the crash barrier element 40 . In the figure 6 the rollers 24 are visible, which support the telescopic element 20 in relation to the crash barrier element 40 . The one in the figure 6 The rollers 24 lying below are in contact with the base of the crash barrier element 10 and roll over this base. In addition, further rollers 24 are arranged offset in the upper area of the telescopic element 20 (cf. figure 5 ), which limit the mobility of the telescopic element vertically upwards.

Claims (15)

  1. Roadway delimitation element (100) comprising a stationary element (10) and a telescopic element (20), the telescopic element (20) being movable relative to the stationary element (10), the telescopic element (20) being displaceable in particular into a crash barrier element (40), the telescopic element (20) and the stationary element (10) being connected or connectable by means of a locking device (30), characterized in that the locking device (30) is connected to a fluidic device (50) by means of a force transmission element (80), in particular a traction drive (80), the locking device (30) and the telescopic element (20) being movable by the fluidic device (50), the fluidic device (50) comprising a pressure accumulator (51).
  2. Roadway delimitation element (100) according to claim 1, characterized in that the roadway delimitation element (100) has fastening elements, in particular threads, which are located in particular at the body center of gravity of the roadway delimitation element (100), the fastening elements serving in particular for fastening lifting eyes.
  3. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the roadway delimitation element (100) comprises a handle element (35), wherein the locking device (30) can be opened by actuating the handle element (35), wherein in particular the telescopic element (20) can be moved by using the handle element (35), in particular when the pressure accumulator (51) of the fluidic device (50) is not filled.
  4. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the telescopic element (20) has a stroke length of at least 1.6 meters.
  5. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the fluidic device (50) of the roadway delimitation element (100) comprises a movement element (52), in particular a hydraulic or pneumatic cylinder, a connecting device (70) and an operating element (54), in particular a release button (54).
  6. Roadway delimitation element (100) according to one of the preceding claims, wherein the fluidic device (50) of the roadway delimitation element (100) is arranged outside the telescopic element (20), in particular in a crash barrier element (40).
  7. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the roadway delimitation element (100) or the crash barrier element (40) comprises a closable opening (60), in particular a base (60), which can be fastened with screws, preferably to allow access to the fluidic device (50).
  8. Roadway delimitation element (100) according to one of the preceding claims, wherein the fluidic device (50) or at least parts thereof is fastened on a support element (67), in particular a plate (67) with a wall thickness of 1-10 mm, in particular a plate (67) of steel, wherein the support element (67) is substantially formed in a crash barrier element (40), wherein in particular the support element (67) with the fluidic device (50) is removable from the crash barrier element (40).
  9. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the fluidic device (50) of the roadway delimitation element (100) comprises a hand pump (53) with which the pressure accumulator (51) of the fluidic device (50) can be charged.
  10. Roadway delimitation element (100) according to one of the preceding claims, characterized in that at least one pressure sensor is formed in the pressure accumulator (51) of the fluidic device (50), the pressure sensor preferably being connected to a data transmission unit.
  11. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the fluid-technical device (50) of the roadway delimitation element (100) comprises a valve (64) and a movement element (52), in particular a hydraulic or pneumatic cylinder, wherein the speed of movement of the movement element (52) is adjustable by a valve (55), in particular the adjustment of the mass flow by the valve (55), wherein the speed of movement is adjustable in particular such that the displacement time of the telescopic element (20) over its stroke length is between 5-10 seconds.
  12. Roadway delimitation element (100) according to one of the claims 5-11, characterized in that the operating element (54) of the fluidic device (50) comprises a securing pin, wherein a movement of the operating element (54) can be blocked by attaching the securing pin.
  13. Roadway delimitation element (100) according to one of the preceding claims, characterized in that the roadway delimitation element comprises an opening tap (62), the opening tap (62) of the fluidic device (50) being openable and closable by an operating element (54).
  14. Method for opening a roadway delimitation element (100) according to one of the preceeding claims, characterized in that first a locking device (30) is moved by a fluidic device (50), wherein the connection between telescopic element (20) and stationary element (10) is unlocked by the movement of the locking device (30), wherein after the unlocking of the connection a telescopic element (20) is moved, in particular displaced into a crash barrier element (40), by the continuation of the movement of the fluidic device (50).
  15. Use of a fluidic device (50) with pressure accumulator (51) for moving a telescopic element (20) and a locking element (32) of a roadway delimitation element (100) according to any of claims 1-13.
EP18172636.5A 2018-05-16 2018-05-16 Roadway limiting element and method for opening a roadway limiting element and use of a fluidics device for opening a roadway limiting element Active EP3569765B1 (en)

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EP18172636.5A EP3569765B1 (en) 2018-05-16 2018-05-16 Roadway limiting element and method for opening a roadway limiting element and use of a fluidics device for opening a roadway limiting element

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EP18172636.5A EP3569765B1 (en) 2018-05-16 2018-05-16 Roadway limiting element and method for opening a roadway limiting element and use of a fluidics device for opening a roadway limiting element

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EP3569765A1 EP3569765A1 (en) 2019-11-20
EP3569765B1 true EP3569765B1 (en) 2022-10-26

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DE202020105599U1 (en) 2020-09-30 2022-01-11 Avs Group Gmbh traffic control wall
WO2022262963A1 (en) 2021-06-16 2022-12-22 Wenger, Projekte Und Coaching Traffic lane boundary assembly, and method for diverting vehicles

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US4690583A (en) * 1986-04-08 1987-09-01 Faulconer Harry A Flat folding alternating barrier
DE202004011860U1 (en) 2004-07-28 2004-12-30 Sps Schutzplanken Gmbh Traffic control barrier with movable sections which slide into fixed sections and with movable reinforcing supports for both the movable sections and fixed sections
GB2479722B (en) * 2010-04-19 2015-08-05 Heald Technologies Ltd Security barrier
US8985890B2 (en) * 2011-07-21 2015-03-24 Gary D. Miracle Vertically actuated vehicle barrier system

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