EP3569765A1 - 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 PDFInfo
- Publication number
- EP3569765A1 EP3569765A1 EP18172636.5A EP18172636A EP3569765A1 EP 3569765 A1 EP3569765 A1 EP 3569765A1 EP 18172636 A EP18172636 A EP 18172636A EP 3569765 A1 EP3569765 A1 EP 3569765A1
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- European Patent Office
- Prior art keywords
- roadway
- telescopic
- delimiting
- fluid power
- guard rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012530 fluid Substances 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- 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 limiting element, as well as a method for opening a roadway boundary element and the use of a fluid power device for opening a roadway boundary element.
- guardrails Various such roadway boundary elements, colloquially called guardrails, are known from the prior art.
- the purpose of the lane boundary is to keep vehicles in the event of an accident on the road.
- Generic Fahrbahnbegrenzungs comprise but allow to provide a passage for emergencies.
- a roadway limiting element which comprises a stationary element and a telescopic element.
- the telescopic element is movable relative to the stationary element, wherein the telescopic element is displaceable in particular in a guard rail element.
- the telescopic element and the stationary element are connected or connectable by means of a locking device.
- the locking device is connected by means of a power transmission element, in particular a traction mechanism drive, with a fluid power device.
- the locking device and the telescopic element are movable by the fluid power device.
- the fluid power device comprises a pressure accumulator.
- the equipment of the roadway boundary element with a fluidic device having a pressure accumulator allows a force-saving movement of locking device and telescopic element independently of an external power source.
- no further motor drive device is provided.
- the fluidic device may be configured as hydraulics or as pneumatics. If the telescopic element can be displaced into a guard rail element, the telescopic element can be moved without requiring further space.
- the roadway limiting element preferably has fastening elements, in particular threads.
- the fastening elements are located in particular at the center of gravity of the roadway boundary element.
- the mounting options serve the attachment of lifting lugs.
- a roadway limiting element preferably comprises a grip element.
- the locking device can be opened.
- the grip element in particular the telescopic element is movable, in particular when the pressure accumulator of the fluid power device is not filled.
- the road boundary element is independent of the existing pressure and the functionality of the fluid power device and can always be operated in an emergency.
- the telescopic element has a stroke length of at least 1.6 m.
- Such a width of the emergency opening allows easy passage of extinguishing support vehicles.
- the fluidic device of a roadway limiting element comprises a movement element, in particular a hydraulic or pneumatic cylinder, a connecting device and a control element, in particular a release button.
- a moving element such as a hydraulic or pneumatic cylinder
- the pressure from the accumulator can be easily converted into a movement that can be transmitted to the power transmission element by a connecting device such as collars, joints, rings, hooks, turnbuckles or other suitable devices.
- a connecting device such as collars, joints, rings, hooks, turnbuckles or other suitable devices.
- the fluidic device of the roadway limiting element is arranged outside the telescopic element.
- the fluid power device is arranged in a guard rail element.
- the telescopic element is less heavy and can be moved with less force.
- the hydraulic device is arranged in a guard rail element, it is exposed to less external influences and thus less maintenance. Further, no additional cover is needed, which requires less material and thus reduces manufacturing costs.
- the road boundary element or the guard rail element comprises a closable opening, in particular a cover which can be fastened with screws, preferably to allow access to the fluid power device.
- a closable opening allows easy access to the fluidic device to perform maintenance such as oil changes without requiring complete disassembly. This reduces time and effort.
- the fluid power device or at least parts thereof is mounted on a support member.
- the support element is in particular a plate with a wall thickness between 1-10 mm.
- the plate is made of steel in particular.
- the carrier element is formed substantially in a guard rail element. The carrier element with the fluidic device can be removed in particular from the guard rail element.
- the support member may be made of steel, aluminum, plastic or other suitable material that forms a cheap and stable variant for a support member.
- the fluid-technical device of a road boundary element preferably comprises a hand pump with which the pressure reservoir of the fluid power device can be charged.
- Charging in the context of this invention means increasing the internal pressure of the pressure accumulator by pumping in a fluid, such as a fluid, in particular a hydraulic oil or air. So that the hand pump can be easily accommodated and operated, it can be arranged at an angle W in another element, such as the guard rail element, the angle W being in the range of 20 ° to 60 °.
- the angle W is formed in the context of the invention between a longitudinal axis of a cylinder of the hand pump and the longitudinal axis of the guard rail element.
- At least one pressure sensor is formed in the pressure accumulator of the fluid power device, wherein the pressure sensor is preferably connected to a data transmission unit.
- the pressure sensor can be arranged in the pressure accumulator or a connected line, which has a same pressure level, or allows conclusions about the pressure level in the pressure accumulator.
- the fluidic device of the roadway limiting element comprises a valve and a movement element, in particular a hydraulic or pneumatic cylinder.
- the speed of movement of the moving element is adjustable by the valve, in particular the adjustment of the mass flow of the fluid through the valve.
- the movement speed is adjustable so that the displacement time of the telescopic element over its stroke length is 5-10 seconds.
- an opening time of the emergency opening can be selected, which corresponds to the given situation and / or the specifications.
- the operating element of the fluid power device may comprise a locking pin. By attaching the locking pin movement of the control element is blocked.
- the control element has a diameter of 100 mm.
- the advantage of such an operating element is that even persons with a motoric handicap are able to operate the emergency opening and thus save themselves.
- the control element may be made of plastic, another plastic or similar suitable material.
- a vehicle in particular passenger car, with a mass of 1300 kg, a speed of 80 km / h in an impact angle of 8 ° and / or a vehicle, especially a truck, with a mass of 10000 kg, a Speed of 70km / h in an impact angle of 8 ° by the locking device of the road boundary element available.
- the road boundary element withstands the impact at a level T3 according to EN 1317-2.
- the roadway limiting element preferably comprises an opening cock.
- the opening tap of the fluid power device can be opened and closed by an operating element.
- the operation of the road boundary element is thus easy and fast.
- the object is further achieved by a method for opening a road boundary element.
- the object is achieved by a road boundary 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 by the continuation of the movement of the fluid power device, in particular displaced into a guard rail element.
- a road boundary element can be easily opened.
- Roadway boundary elements therefore typically have an elongated extent Lane direction, wherein the roadway boundary elements have a longitudinal axis extending in the intended use of the roadway boundary element in the direction of travel.
- the stationary element and the telescopic element of the roadway boundary element and the guard rail element each have two side walls.
- sidewalls are elements that are laterally disposed relative to a vertical plane extending through the longitudinal axis.
- the side walls of the telescopic element and the guard rail element are each connected to each other and are each formed parallel to each other. Preferably, they are connected to each other such that the telescopic element and / or the guard rail element are formed as a hollow profile.
- the telescopic element is arranged displaceably within the guard rail element along a longitudinal axis, wherein in a cross-section transverse to the longitudinal axis, the telescopic element is substantially enclosed by the guard rail element.
- Both the telescopic element and the stationary element as well as the guard rail element have a symmetrical to a extending through the longitudinal axis L vertical plane cross-section.
- the roadway limiting element may have a traction mechanism drive, in particular a cable drive, for displacing the telescopic element relative to the stationary element.
- the traction mechanism can be arranged between a side wall of the guard rail element and a side wall of the telescopic element, in particular in a recess of the telescopic element, and extends in the direction of the longitudinal axis.
- the recess on the telescopic element can be placed substantially centrally with respect to a vertical height of the telescopic element, which essentially corresponds to the outer dimensions of the telescopic element. This means that the depression is located in the middle third of the telescopic element.
- the traction mechanism can be arranged vertically, that is, a rotation axis of the drive will extend substantially horizontally. Additionally or alternatively, it can be provided to arrange the traction mechanism drive in a bulge of the guard rail element or that the road boundary element has two mutually opposite traction mechanism drives.
- the vertical arrangement of the traction mechanism drive makes it possible to dispense with an additional support of the individual dreams. It is possible that the traction mechanism drive has a reduction.
- each road boundary element It is possible to equip each road boundary element with a crank, which is used in case of need in the coupling.
- the crank can be mounted sunk for this purpose on the road boundary element.
- a separate crank does not have to be provided for each road boundary element.
- the telescopic element can be mounted by means of rollers on the guard rail element.
- the rollers are preferably located within the guard rail element and are in operative connection with one or more in Leitbrankenelement inner surfaces of the guard rail element.
- the rollers are in particular arranged in pairs and may be arranged diametrically or offset from each other.
- the rollers support a side wall of the telescopic element on a side wall of the guard rail element. A vertical guidance is thereby made possible.
- rollers are provided in pairs on top and bottom of the telescopic element. For a horizontal guidance of the telescopic element is possible.
- a support roller for receiving at least a portion of the dead weight of the telescopic element is formed on the telescopic element.
- one end of the telescopic element moves away with respect to the guard rail element. Due to the weight of the telescopic element this tends to be bent with this end down. This can be prevented by the support roller.
- the roadway limiting element comprises a locking device which may be designed as a hook and bolt. It is conceivable to form the hook with a tapered mounting slot, wherein a distance of the Befestistskulisse to a pivot point in a first position is greater than the distance of the Befest modskulisse to the pivot point in a second position.
- the first element of the locking device may be formed as a disc with an eccentric.
- Stationary element, telescopic element and guard rail element can be made of sheet metal elements.
- the guard rail element and the stationary element of the road boundary element may substantially have the contour of an upside down T's.
- the arms of the T form a base, the leg of the T forms a hollow profile.
- Within the leg of the crash barrier element is the telescopic element.
- the base of the guardrail element and the stationary element may have a bottom plate, which close the hollow profile.
- Both telescopic element and stationary element as also the crash barrier element are preferably designed as a welded construction.
- the FIG. 1 shows a roadway boundary element 100.
- the roadway boundary element has three main elements, the stationary element 10, the telescopic element 20 and the locking device 30. These elements are arranged so that the locking device 30 between the stationary element 10 and telescopic element 20 forms a detachable connection.
- the stationary element 10 has a substantially T-shaped cross-sectional shape. The crossbeam of the T forms a 300mm wide base, which is located below in accordance with the intended use.
- 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. Fig. 4 . Fig. 6 ) on.
- the telescopic element 20 can be moved into a crash barrier element 40.
- the guard rail element 40 has substantially the same contour as the stationary element 10.
- 20 different rollers 23, 24 and 25 are arranged in the telescopic element (see. FIG. 5 ).
- the locking device 30 comprises a hook 32 and a bolt 31, wherein on the hook 32, a handle 35 and below the hook 32, a guide pin 39 is mounted (see. Fig. 4 ).
- the telescopic element is 1665 mm, the stationary element 2800 mm and the guard rail element 7000 mm long.
- the total length of the road boundary element 100 is 5000mm, the total height 510 mm.
- the roadway limiting 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 fluid power device 50 is arranged, here a hydraulic device 50, which is arranged on a support member 67 made of steel.
- the hydraulic device 50 consists of the four main elements pressure accumulator 51, hydraulic cylinder 52, hand pump 53 and control element 54th
- the pressure accumulator 51 is formed parallel to the longitudinal axis L of the crash barrier element 40 (cf. FIG. 1 ).
- the pressure accumulator 51 is connected to a memory safety block 55.
- the memory safety block 55 is connected to both a flow control valve 56 and a pressure gauge 57, which indicates the pressure in the hydraulic line 66.
- the flow control valve 56 By 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 enlarged or reduced by the stopcock 64.
- the hydraulic cylinder 52 is formed substantially 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 back of the hydraulic cylinder, wherein the axis of the cylinder of the hand pump 53 to the longitudinal axis L forms an angle W of 45 °.
- the hand pump 53 can also be arranged at a different angle.
- a check valve 58 is connected to the manual pump 53.
- the hand pump 53 has a lever 59 which can be operated through an opening in the guard rail element 40, which is located in the leg end of the guard rail element 40. The opening can be closed with a cover 60.
- the lid 60 can be fastened with screws. However, the lid 60 could also be clamped or attached in any other suitable manner.
- a tank 61 is arranged below the hand pump 53, wherein the longitudinal axis of the cylinder to the longitudinal axis L forms an angle W of 45 °.
- the tank 61 could also be arranged at a different angle.
- the operating element 54 is formed in a further opening in the guard rail element 40, wherein this further opening is a continuous cut in the leg end of the guard rail element 40, as a result of which the operating element 54 can be operated from both sides of the guard rail 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 manual pump 53 is blocked by the opening tap 62. At this line 63 of the manometer 58 is connected.
- a hydraulic line 65 leads from the hydraulic cylinder port A to the tank 61.
- Another hydraulic line 66 leads from the flow control valve 56 of the pressure accumulator 51 to the cylinder port B.
- the hydraulic lines are arranged between pressure accumulator 51 and hydraulic cylinder 52.
- the opening cock 62 is rotated by the angle K of 90 ° by depressing the operating element 54, whereby the hydraulic line 63 between the hydraulic cylinder 52 and tank 61 is opened.
- the hydraulic oil can escape from the cylinder port A.
- the hydraulic oil in the pressure accumulator 51 flows through the safety block 55 and the flow control valve 56 out into the cylinder port B and drives the hydraulic cylinder 52 so.
- the control element 54 is pulled out, whereby the opening tap 62 is rotated by the angle K of 90 ° back and the hydraulic line 63 is thereby closed.
- hydraulic oil is pumped from the tank 61 into the cylinder port A.
- the hydraulic oil from the cylinder port B is pressed back into the pressure accumulator 51 by the flow control valve 56 and safety block 55.
- LoRaWAN Long Range Wide Area Network
- the manometer which is connected to the pressure accumulator, connected to a data transmission unit.
- other suitable monitoring systems may be used, provided that this system covers the entire field of application of the roadway boundary element.
- FIG. 3 shows a longitudinal section of the connecting device 70 between the hydraulic cylinder 52 and power transmission element 80 in the form of a traction mechanism such as a rope, in particular a steel cable. But it could also be used chains, belts or other long movable power transmission elements.
- a guide tube 71 is fastened with a fastening element 72 at the rear end of the telescopic element 20.
- piston rod 73 of the hydraulic cylinder 52, connecting element 74, turnbuckle 75 and cable clamp 76 are formed in the guide tube 71 .
- the piston rod 73 of the hydraulic cylinder 52 is connected by means of the turnbuckle 75 with a connecting member 74.
- the connecting member 74 in turn is also connected to the cable clamp 76.
- the cable clamp 76 connects the power transmission element 80 with the connecting device 70.
- the telescopic element 20 can be moved so the emergency opening to be opened and closed.
- the handle element 35 By actuating the handle element 35 (FIG. FIG. 5 ), the guide tube 71 is moved over the piston rod 73.
- FIG. 4 shows the locking device 30.
- the locking device 30 is presently formed of two main elements, a retaining pin 31 and a hook 32 with a tapered contour.
- the hook 32 is presently 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. Below the hook 32, a guide pin 39 is arranged. The hook 32 can be rotated in the direction of arrow P.
- a mounting slide 34 is arranged on the hook 32.
- the mounting slide 34 has a first distance X1 and a second distance X2 to the pivot pin 33, so it is tapered.
- the mounting backdrop 34 is configured with this distance to interact with the retaining pin 31 in operative connection.
- the distance X1 is greater than the distance X2.
- the hook 32 can be brought into engagement with the retaining bolt 31.
- the guide pin 39 guides telescopic element 20 and stationary element 10 together so that a connection is facilitated.
- a bias is created between the telescopic element 20 and the stationary element 10. They are connected securely.
- FIG. 5 shows the telescopic element 20 in a sectional view. You can see the hook 32 and the traction mechanism 80, and the rollers 24 and 25, which are arranged on the telescopic element. Next rollers 23 are arranged on the guard rail element 40. The rollers 23, 24 and 25 support the telescopic element 20 and facilitate the displacement of the telescopic element 20th
- the rollers 24 are arranged at the top and bottom of the telescopic element 20, wherein the upper rollers 24 are arranged offset to the lower.
- the telescopic element 20 has four lower and four upper pairs of rollers 24, so a total of sixteen rollers 24th
- the rollers 23 are arranged on the guard rail element 40 has two diametrically opposed, lateral rollers 23, wherein they are located in the recess 26 of the side wall of the telescopic element 20 (see. Figure 6 ).
- the roller 25 is located below the hook and behind the guide pin and comes into contact with the ground, whereby it supports the telescopic element 20 and facilitates the movement of the telescopic element 20 over the ground.
- rollers 23, 24 and 25 can also be used.
- the axis of rotation 33 of the hook 32 is mounted on the side walls of the telescopic element 20, wherein the hook 32 is arranged substantially on the front side of the telescopic element 20.
- a stop pin 36 is disposed adjacent to the hook 32.
- the hook 32 is provided with a curvature 37, to which a connecting bolt 38 is attached.
- a traction mechanism 80 here a rope 80, attached.
- the telescopic element 20 Before opening the emergency opening, the telescopic element 20 is fully extended, the telescopic element 20 is in the position C.
- the piston rod 73 of the hydraulic cylinder 52 is off FIG. 3 moved in. This is done by the connection device 70 FIG. 3 to a train on the traction mechanism 80, which is guided over a roller 81.
- the train on the traction mechanism drive 80 By the train on the traction mechanism drive 80, the hook 32 is rotated about its axis of rotation until the curvature 37 reaches the stop pin 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, that is to say the position B and C. This results in an opening in the road boundary element 100.
- a thread is cut, to which a lifting eye, hook or other suitable fasteners attached can be.
- the cross section of the FIG. 6 is marked in it.
- the FIG. 6 shows a cross section along the line A of the FIG. 5 ,
- the telescopic element 20 is arranged within the guard rail element 40. Both elements are essentially each formed from two separate halves. A one-piece production would be just as conceivable. Both elements have a symmetrical to a vertical axis extending through the longitudinal axis L vertical cross-section.
- the side walls of the guard rail element 40 and the telescopic element 20 are formed parallel to each other.
- the telescopic element 20 has a substantially rectangular cross section, wherein the side walls of the telescopic element 20 for supporting the rollers 23 a recess 26 at half the height of the telescopic element 20, which extends parallel to the longitudinal axis L.
- the two side walls at the upper and lower ends are curved inwards to allow storage of the rollers 24. But it is also conceivable to secure 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 relative to the guard rail element 40.
- the in the FIG. 6 down rollers 24 are in contact with the base of the crash barrier element 10 and roll over this base.
- offset 20 at the top of the telescopic element more rollers 24 are arranged (see. FIG. 5 ), which limit the telescopic element vertically upwards in its mobility.
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Abstract
Die Erfindung betrifft ein Fahrbahnbegrenzungselement (100), das ein stationäres Element (10) und ein Teleskopelement (20) umfasst. Das Teleskopelement (20) ist relativ zum stationären Element (10) bewegbar ist. Das Teleskopelement (20) ist insbesondere in ein Leitplankenelement (40) verschiebbar. Das Teleskopelement (20) und das stationäre Element (10) sind mittels einer Verriegelungsvorrichtung (30) verbunden oder verbindbar. Die Verriegelungsvorrichtung (30) ist mittels eines Kraftübertragungselements (80), insbesondere eines Zugmitteltriebs (80), mit einer fluidtechnischen Vorrichtung (50) verbunden. Die Verriegelungsvorrichtung (30) und das Teleskopelement (20) sind durch die fluidtechnische Vorrichtung (50) bewegbar. Die fluidtechnische Vorrichtung (50) umfasst einen Druckspeicher (51).The invention relates to a roadway boundary element (100) which comprises a stationary element (10) and a telescopic element (20). The telescopic element (20) can be moved relative to the stationary element (10). The telescopic element (20) can in particular be displaced into a guardrail element (40). The telescopic element (20) and the stationary element (10) are connected or connectable by means of a locking device (30). The locking device (30) is connected to a fluid technology device (50) by means of a force transmission element (80), in particular a traction mechanism drive (80). The locking device (30) and the telescopic element (20) can be moved by the fluid technology device (50). The fluid technology device (50) comprises a pressure accumulator (51).
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 limiting element, as well as a method for opening a roadway boundary element and the use of a fluid power device for opening a roadway boundary 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 boundary elements, colloquially called guardrails, are known from the prior art. The purpose of the lane boundary is to keep vehicles in the event of an accident on the road. Generic Fahrbahnbegrenzungselemente but allow to provide a passage for emergencies.
Dabei ist mit der
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 an object of the invention to overcome these and other disadvantages of the prior art, and more particularly to a roadway delimiting element which is quickly and easily opened and to provide a method of opening a roadway delimiting element which is quick and easy.
Diese Aufgabe wird durch eine Vorrichtung und ein Verfahren gemäss den unabhängigen Ansprüchen gelöst.This object is achieved by an apparatus and a method according to the independent claims.
Insbesondere 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.In particular, the object is achieved by a roadway limiting element which comprises a stationary element and a telescopic element. The telescopic element is movable relative to the stationary element, wherein the telescopic element is displaceable in particular in a guard rail element. The telescopic element and the stationary element are connected or connectable by means of a locking device. The locking device is connected by means of a power transmission element, in particular a traction mechanism drive, with a fluid power device. The locking device and the telescopic element are movable by the fluid power device. The fluid power device comprises 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.The equipment of the roadway boundary element with a fluidic device having a pressure accumulator, allows a force-saving movement of locking device and telescopic element independently of an external power source. In particular, no further motor drive device is provided. By dispensing with a motor drive the road boundary element is easier and cheaper to manufacture and maintain. The fluidic device may be configured as hydraulics or as pneumatics. If the telescopic element can be displaced into a guard rail element, the telescopic element can be moved without requiring 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 limiting element preferably has fastening elements, in particular threads. The fastening elements are located in particular at the center of gravity of the roadway boundary element. In particular, the mounting options serve the attachment of 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 easily and quickly secure the road boundary element during transport and thus increase the cargo security. Is the thread at the center of gravity In addition, the safety is further increased since the balance of the charge is maintained and thus a movement such as tilting or excessive pivoting is prevented. The design of the attachment as a thread allows easy and quick to make mounting and dismounting of screws, lifting lugs or other mounting 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 roadway limiting element preferably comprises a grip element. By actuating the handle element, the locking device can be opened. By using the grip element in particular the telescopic element is movable, 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 handle element, the road boundary element is independent of the existing pressure and the functionality of the fluid power device and can always be operated in an emergency.
Vorzugsweise weist das Teleskopelement eine Hublänge von mindestens 1.6 m auf.Preferably, the telescopic element 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 easy passage of extinguishing support vehicles.
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 roadway limiting element comprises a movement element, in particular a hydraulic or pneumatic cylinder, a connecting device and a control 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.By a moving element such as a hydraulic or pneumatic cylinder, the pressure from the accumulator can be easily converted into a movement that can be transmitted to the power transmission element by a connecting device such as collars, joints, rings, hooks, turnbuckles or other suitable devices. Is the fluid power device with a Control button equipped, the use of the emergency opening by the people present and thus their self-rescue is enabled.
Vorzugsweise ist die fluidtechnische Vorrichtung des Fahrbahnbegrenzungselements ausserhalb des Teleskopelements angeordnet. Insbesondere ist die fluidtechnische Vorrichtung in einem Leitplankenelement angeordnet.Preferably, the fluidic device of the roadway limiting element is arranged outside the telescopic element. In particular, the fluid power device is arranged in a guard rail 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 force. The hydraulic device is arranged in a guard rail element, it is exposed to less external influences and thus less maintenance. Further, no additional cover is needed, which requires less material and thus reduces 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.Preferably, the road boundary element or the guard rail element comprises a closable opening, in particular a cover which can be fastened with screws, preferably to allow access to the fluid power 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 fluidic device to perform maintenance such as oil changes without requiring complete disassembly. This reduces 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 fluid power device or at least parts thereof is mounted on a support member. The support element is in particular a plate with a wall thickness between 1-10 mm. The plate is made of steel in particular. The carrier element is formed substantially in a guard rail element. The carrier element with the fluidic device can be removed in particular from the guard rail 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.By attaching the fluidic device to a support member can be a defective fluid technical device swap easily and quickly. If such a carrier element is located in a guard rail element, it is protected against many external influences. If the carrier element with the fluidic device can be removed from the guard rail element, the time and effort required is reduced. The support member may be made of steel, aluminum, plastic or other suitable material that forms a cheap and stable variant for a support member.
Vorzugsweise umfasst die fluidtechnische Vorrichtung eines Fahrbahnbegrenzungselements eine Handpumpe, mit der der Druckspeicher der fluidtechnischen Vorrichtung aufladbar ist.The fluid-technical device of a road boundary element preferably comprises a hand pump with which the pressure reservoir of the fluid power 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 allows charging regardless of the location of the road boundary element and the facilities available there. Charging in the context of this invention means increasing the internal pressure of the pressure accumulator by pumping in a fluid, such as a fluid, in particular a hydraulic oil or air. So that the hand pump can be easily accommodated and operated, it can be arranged at an angle W in another element, such as the guard rail element, the angle W being in the range of 20 ° to 60 °. The angle W is formed in the context of the invention between a longitudinal axis of a cylinder of the hand pump and the longitudinal axis of the guard rail element.
Vorzugsweise ist mindestens ein Drucksensor im Druckspeicher der fluidtechnischen Vorrichtung ausgebildet, wobei der Drucksensor bevorzugt mit einer Datenübertragungseinheit verbunden ist.Preferably, at least one pressure sensor is formed in the pressure accumulator of the fluid power device, wherein the pressure sensor is preferably 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.So it is ensured with little time and effort that the fluid power device has sufficient pressure and is so functional. The pressure sensor can be arranged in the pressure accumulator or a connected line, which has a same pressure level, or allows conclusions 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.Preferably, the fluidic device of the roadway limiting element comprises a valve and a movement element, in particular a hydraulic or pneumatic cylinder. The speed of movement of the moving element is adjustable by the valve, in particular the adjustment of the mass flow of the fluid through the valve. In particular, the movement speed is adjustable so 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.By such a hydraulic device, it is possible that an opening time of the emergency opening can be selected, which corresponds to the given situation and / or the specifications.
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 may comprise a locking pin. By attaching the locking pin movement of the control element is blocked.
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 safety. Preferably, the control element has a diameter of 100 mm. The advantage of such an operating element is that even persons with a motoric handicap are able to operate the emergency opening and thus save themselves. The control element may be made of plastic, another plastic or similar suitable material. In a preferred variant is the impact of a vehicle, in particular passenger car, with a mass of 1300 kg, a speed of 80 km / h in an impact angle of 8 ° and / or a vehicle, especially a truck, with a mass of 10000 kg, a Speed of 70km / h in an impact angle of 8 ° by the locking device of the road boundary element available. As a result, the road boundary 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 roadway limiting element preferably comprises an opening cock. 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 road boundary element is thus easy and fast.
Die Aufgabe wird weiter durch ein Verfahren zum Öffnen eines Fahrbahnbegrenzungselements gelöst. Insbesondere 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 road boundary element. In particular, the object is achieved by a road boundary 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 unlocking the connection, a telescopic element is moved by the continuation of the movement of the fluid power device, in particular displaced into a guard rail element.
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.Advantage of this method is that both unlocking the locking of the stationary element and telescopic element and the movement of the telescopic element is effected solely by the continuation of the movement of the fluid power device. There is no further drive or movement of the fluid power device necessary. This makes the procedure 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.To achieve the object further leads to the use of a fluid power device with pressure accumulator for moving a telescopic element and a locking element of a roadway boundary element as described above.
Somit lässt sich ein Fahrbahnbegrenzungselement leicht öffnen.Thus, a road boundary element can be easily opened.
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. 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.Fahrbahnbegrenzungselemente are typically placed along a road in the direction of travel. Roadway boundary elements therefore typically have an elongated extent Lane direction, wherein the roadway boundary elements have a longitudinal axis extending in the intended use of the roadway boundary element in the direction of travel. The stationary element and the telescopic element of the roadway boundary element and the guard rail element each have two side walls. By definition, sidewalls are elements that are laterally disposed relative to a vertical plane extending through the longitudinal axis. The side walls of the telescopic element and the guard rail element are each connected to each other and are each formed parallel to each other. Preferably, they are connected to each other such that the telescopic element and / or the guard rail element are formed as a hollow profile. The telescopic element is arranged displaceably within the guard rail element along a longitudinal axis, wherein in a cross-section transverse to the longitudinal axis, the telescopic element is substantially enclosed by the guard rail element. Both the telescopic element and the stationary element as well as the guard rail element have a symmetrical to a extending through the longitudinal axis L vertical plane cross-section.
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 limiting element may have a traction mechanism drive, in particular a cable drive, for displacing the telescopic element relative to the stationary element. The traction mechanism can be arranged between a side wall of the guard rail element and a side wall of the telescopic element, in particular in a recess of the telescopic element, and extends in the direction of the longitudinal axis. The recess on the telescopic element can be placed substantially centrally with respect to a vertical height of the telescopic element, which essentially corresponds to the outer dimensions of the telescopic element. This means that the depression is located 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 mechanism can be arranged vertically, that is, a rotation axis of the drive will extend substantially horizontally. Additionally or alternatively, it can be provided to arrange the traction mechanism drive in a bulge of the guard rail element or that the road boundary element has two mutually opposite traction mechanism drives.
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 mechanism drive makes it possible to dispense with an additional support of the individual dreams. It is possible that the traction mechanism drive has a 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 road boundary element with a crank, which is used in case of need in the coupling. The crank can be mounted sunk for this purpose on the road boundary element. Thus, a separate crank does not have to be provided for each road boundary element. To use the lane boundary member, i. Thus, in order to relatively move the telescopic element relative to the stationary element, it is sufficient that the worker, or the user manipulating the roadway boundary element, need only be equipped with a single crank. A coupling between the traction drive and the crank can be sunk 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 by means of rollers on the guard rail element. The rollers are preferably located within the guard rail element and are in operative connection with one or more in Leitbrankenelement inner surfaces of the guard rail element. The rollers are in particular arranged in pairs and may be arranged diametrically or offset from each other. The rollers support a side wall of the telescopic element on a side wall of the guard rail element. A vertical guidance is thereby made possible. In addition, rollers are provided in pairs on top and bottom of the telescopic element. For a horizontal guidance of the telescopic element is possible. In addition, a support roller for receiving at least a portion of the dead weight of the telescopic element is formed on the telescopic element. That is, in the process or telescoping of the telescopic element, one end of the telescopic element moves away with respect to the guard rail element. Due to the weight of the telescopic element this tends to be bent with this end down. 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 roadway limiting element comprises a locking device which may be designed as a hook and bolt. It is conceivable to form the hook with a tapered mounting slot, wherein a distance of the Befestigungskulisse to a pivot point in a first position is greater than the distance of the Befestigungskulisse to the pivot point in a second position. In this case, the first element of the locking device may be formed 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 guard rail element can be made of sheet metal elements. In relation to the position of the road boundary element when used as intended, the guard rail element and the stationary element of the road boundary element may substantially have the contour of an upside down T's. The arms of the T form a base, the leg of the T forms a hollow profile. Within the leg of the crash barrier element is the telescopic element. The base of the guardrail element and the stationary element may have a bottom plate, which close the hollow profile. Both telescopic element and stationary element as also the crash barrier element are 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
- FIG. 1:
- Lane boundary element in perspective view
- FIG. 2:
- Cross section through the guard rail element
- FIG. 3:
- Cross section through the connecting device of the hydraulic device
- FIG. 4:
- Detail of the locking device
- FIG. 5:
- Cross section through the telescopic element
- FIG. 6:
- Cross section through the guard rail element and telescopic element
Die
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.
The
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.
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
The telescopic element is 1665 mm, the stationary element 2800 mm and the guard rail element 7000 mm long. The total length of the
Das Fahrbahnbegrenzungselement 100 ist typischerweise entlang einer hier nicht gezeigten Fahrbahn angeordnet und weist daher in Fahrtrichtung eine Längsachse L auf.The
Die Hydraulikvorrichtung 50 besteht aus den vier Hauptelementen Druckspeicher 51, Hydraulikzylinder 52, Handpumpe 53 und Bedienelement 54.The
Der Druckspeicher 51 ist parallel zur Längsachse L des Leitplankenelements 40 ausgebildet (vgl.
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
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
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
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
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
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
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 by means of LoRaWAN technology (Long Range Wide Area Network) is possible, where this network is present in the application region of the road boundary element. For this purpose, the manometer, which is connected to the pressure accumulator, connected to a data transmission unit. However, other suitable monitoring systems may be used, provided that this system covers the entire field of application of the roadway boundary element.
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 (
A guide tube 71 is fastened with a
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
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.
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
Es können aber auch mehr oder weniger als die genannten Rollen 23, 24 und 25 verwendet werden.However, more or less than the mentioned
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
A
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
Am Schwerpunkt SP ist ein Gewinde geschnitten, woran eine Hebeöse, Haken oder sonstige geeignete Befestigungselemente angebracht werden können. Der Querschnitt der
Die
Der Sockel des Leitplankenelementes 40 weist eine Bodenplatte 41 auf, die das Hohlprofil des Leitplankenelementes 40 abschliesst. In der
Claims (15)
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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 true EP3569765A1 (en) | 2019-11-20 |
EP3569765B1 EP3569765B1 (en) | 2022-10-26 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
RU2800181C1 (en) * | 2022-11-07 | 2023-07-19 | Общество С Ограниченной Ответственностью "Торговый Дом "Безопасность. Сети. Связь" | Anti-ram device |
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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 |
GB2479722A (en) * | 2010-04-19 | 2011-10-26 | Heald Ltd | Retractable security barrier for vehicles |
US20130189030A1 (en) * | 2011-07-21 | 2013-07-25 | Gary D. Miracle | Vertically actuated vehicle barrier system |
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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 |
GB2479722A (en) * | 2010-04-19 | 2011-10-26 | Heald Ltd | Retractable security barrier for vehicles |
US20130189030A1 (en) * | 2011-07-21 | 2013-07-25 | Gary D. Miracle | Vertically actuated vehicle barrier system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
RU2800181C1 (en) * | 2022-11-07 | 2023-07-19 | Общество С Ограниченной Ответственностью "Торговый Дом "Безопасность. Сети. Связь" | Anti-ram device |
Also Published As
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EP3569765B1 (en) | 2022-10-26 |
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