EP1061178A1 - Passage for road median barrier - Google Patents

Passage for road median barrier Download PDF

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Publication number
EP1061178A1
EP1061178A1 EP00401731A EP00401731A EP1061178A1 EP 1061178 A1 EP1061178 A1 EP 1061178A1 EP 00401731 A EP00401731 A EP 00401731A EP 00401731 A EP00401731 A EP 00401731A EP 1061178 A1 EP1061178 A1 EP 1061178A1
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EP
European Patent Office
Prior art keywords
arm
module
modules
ground
locking
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.)
Granted
Application number
EP00401731A
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German (de)
French (fr)
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EP1061178B1 (en
Inventor
Caroline Ottavi
Raymond Olive
Pierre Calvin
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Colas SA
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Colas SA
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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
    • E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers

Definitions

  • the present invention relates to a median interruption device central. It has applications in the field of road engineering and more particularly in the technique of traffic lane dividers.
  • Traffic lane separation devices that are commonly used can be classified into two broad groups based of their behavior in the event of an impact.
  • the first group presents minimal deformation in the event of impact and tends to return the vehicle to its lane.
  • the separators belonging to this group are therefore relatively rigid or semi-rigid and are generally anchored in the ground and / or made up of elements of mass very important.
  • This group of separators is the most used and includes the wall in concrete or concrete separator and the metal barrier anchored to the ground or slide single or double file consisting of supports inserted into the ground, spacers and sliding elements.
  • the second group tends to move in the event of a shock for absorb the energy of the shock.
  • the separators of this group are deformed and / or therefore move towards the opposite traffic lane when installed in TPC over a distance depending on the impact conditions.
  • These separators are generally used in temporary installations, construction sites for example, or in areas where the deformation of the separator does not does not have consequences, i.e. areas where the central reservation is large. Standards have been defined for the holding capacities of these two separator groups.
  • separators of the first group which are generally intended to occupy their long-term position or definitely between traffic lanes. For the rest we will use the term permanent separator to designate them.
  • the object of the invention is therefore to remedy these drawbacks and to propose a central embankment interruption device for communication between traffic lanes which has a holding capacity of the same level or, again, close to those of permanent separators upstream and downstream over a width of a few meters to several tens of meters and which can be maneuvered quickly and without heavy equipment by a operator.
  • the invention therefore relates to a median interruption device central with permanent separator for communication area between circulation with a closed position ensuring continuity of separation of traffic lanes and open positions respectively emergency and traffic changeover where traffic lanes are communication, consisting of assembled metal modules and with supports stuck in the ground.
  • FIG. 1 an exemplary embodiment of the device according to the invention is represented. It has two articulated arms 2, 2 'joined by a module locking device 10.
  • the device is intended to be placed in an area of communication between two traffic lanes on a central reservation.
  • a first end of the device continues with a permanent separator concrete barrier type 3 and a second end of the device by a 3 'safety barrier via two connection modules 50 and 50 '.
  • Each of the arms 2 and 2 ' is made up of four arm modules 20 about 3.5 meters in length, an arm then measuring 14 meters in length.
  • the arm modules 20 are joined together at the level of zones assembly 21.
  • Each arm module 20 has on each of its two lateral faces, continuous and closed, at least two grooves 23.
  • the locking module 10 has two continuous flat side faces.
  • the continuity means that the module is not open laterally, limiting the consequences in the event of a collision with a biker.
  • the width of the communication is then about 28 meters.
  • Each of arms 2 and 2 ' is movable in the horizontal plane around a pivot axis forming a joint 33 and 33 'respectively.
  • the joint 33 or 33 ' is located on the end of the arm 2 or 2 'adjacent to the corresponding connection module 50, 50'.
  • the ends of the arms 2, 2 'opposite the joints 33 and 33' are joined between them via the locking module 10.
  • the pivot axis forming articulation 33 or 33 ' is stuck in the ground substantially vertically so that on a horizontal communication area, the arms move in rotation horizontally.
  • An arm module 20 comprises at least one support 30 or its equivalent in the form of the pivot axis forming a joint 33, 33 ', which is stuck in the ground.
  • the modules forming the device are essentially made of galvanized steel sheets, reinforcements, spacers for support and are essentially hollow.
  • the steel used has at least the characteristics of S 235 JR steel according to NF EN 10 025 and is suitable for galvanizing according to NF A 35-503. The galvanization will be obtained by dipping according to NF A 91-121.
  • the two arms are collinear with each other on the central reservation 5 and the locking module 10 is translated into overlap on one of the arms 2 in order to produce an emergency opening in the communication area.
  • an emergency opening of approximately 4 meters is obtained.
  • the supports 30, in this position, are stuck in the ground in their sheaths.
  • the arms have been moved in rotation around the joints 33 and 33 ' to allow traffic to switch between two or four lanes according to the opening angle.
  • Concrete blocks 4 can be placed in front from the end of the arm and parallel to the axis of circulation.
  • a means of attachment between the end corresponding arm and concrete block is planned.
  • the supports 30 were extracted from the ground where they were inserted in their sheaths.
  • the supports can be reinserted into the ground in sheaths which, in time normal, communication not open, will be closed by a cover at the level of the roadway in order to avoid filling them with various debris and / or to obstruct the circulation.
  • a cover at the level of the roadway in order to avoid filling them with various debris and / or to obstruct the circulation.
  • Such a removable cover may also be provided for scabbards located on the central reservation. The sleeves will then be closed during traffic change.
  • Figure 3 is a view of the closed device according to Figure 1 detailing more particularly the locking module 10 and the arm modules 20 adjacent.
  • the locking module rests at both ends on the corresponding ends of said arm modules.
  • the module locking and the arm modules are keyed together by keys 15.
  • the locking module can move in translation on the arm modules, stops are provided in order to limit the deflection of said arm locking module.
  • a first series of stops 29 ′ stopping the module locking 10 in the closed position is arranged on the arm module 20 end of arm 2 '.
  • a second series of stops 29 stopping the locking module 10 in the open position is arranged on an arm module of the arm 2.
  • the locking module has been translated into an overlap on arm 2.
  • the keying means 15 have been removed and will preferably be stored in a receptacle provided in the device. However when the opening must be maintained, keying means 15 ′ may also be used to fix the locking module in this open position. Means of bearings described later are used for this purpose and allow the operation of the locking module by a single operator without heavy means.
  • the translation of the locking module can be facilitated by a handle or a removable push arm.
  • Figure 5 shows a cross section of a module locking 10 at the end comprising a removable caster 13.
  • the end comprising said roller 13 is opposite the arm receiving in translation of said locking module so that the opening of said element of translation locking and overlapping may be maximum, the modules arms 20 internally comprising reinforcements 26, supports 30, and other elements which may oppose the internal passage of said caster retractable 13.
  • the removable caster 13 In a closed device, the removable caster 13 is retracted and does not rest on the ground. When opening the device, the removable caster 13 is lowered or tilted to touch the ground.
  • the lowering or tilting of the caster can be achieved by any means known to those skilled in the art including screw system, mechanical actuator, actuator pneumatic, hydraulic or electric.
  • Roulette will preferably be fixed and oriented to be able to roll in the axis of the locking module.
  • the caster is pivotally mounted by in relation to its support axis. This configuration is useful when the wheel still rests on the ground when rotating the corresponding arm to opening.
  • the locking module 10 has in cross section a approximately trapezoidal and symmetrical shape at the base, on the side of the ground, broad and upper apex, opposite, narrow.
  • the side walls joining the ends of the base and top as well as the top wall forming apexes are substantially flat and continuous.
  • the basis of module 10 is opened. At the base of module 10, laterally, along each side are arranged two ground support plates 16.
  • ground support plates are intended to improve the stability and the retaining capacity of the device in the event of impact, the vehicle wheel (s) pressing the support plate on the ground.
  • the internal faces of the two side walls of the locking module comprise metal profiles 11 in U intended to reinforce the rigidity of the module. These profiles 11 are preferably welded and are each arranged at a height corresponding to the grooves 23, described later, of the arm modules 20 so that the translation of the module 10 on the arm 2 can be do it without a hitch.
  • Side guide rollers 12 are arranged regularly along said sections 11. The lateral guide rollers 12 are intended to circulate in the grooves 23 arranged on the walls side of the arm modules 20.
  • the locking module is preferably made from a single metal plate which is folded. However, it is also envisaged that the locking module is produced by the joining of two or more metal plates by welding and / or bolting.
  • FIG. 6 allows to visualize thanks to a section transverse of an arm at a locking module two modes of realization of the system allowing the rolling of the locking module 10 on the arm modules 20 of arm 2 at the top of the device.
  • FIG. 6 at least one pair of rollers of upper guide 14 is fixed to the top wall of the module locking 10. Roller tracks 24 are available on the parts side of the upper face of the top walls of the arm modules 20.
  • the cut passes through an internal reinforcement 26 of arm module 20.
  • the base of the internal reinforcement 26 may descend to the level of the ground support plates 28.
  • the locking module 10 has rollers for lateral guides 12 and upper 14, allowing translation into covering of said module 10 on the corresponding arm 2.
  • the keying means 15 are shown, however they may be arranged at other levels in height and along the modules.
  • at least one pair of rollers 27 is fixed towards the top of the arm 2 and the raceways 17 are available on the underside of the top wall of the locking module 10.
  • the section goes through an internal reinforcement 26 'supporting the pair of rollers 27. In this mode, casters are therefore provided both on the locking module and on the arm.
  • the respective dimensions of the locking module 10 and the arm modules 20 are adapted so that the translation of the module of locking 10 on the arm 2 is done without obstacle.
  • the arm module 20 has at its base and laterally ground support plates 28 having the same function as those, 16, of the locking 10.
  • the shape of the support plates 16 of the module locking 10 allows their translation on those, 28, of the arm module 20.
  • the central part of the top of the arm modules is open allowing access to internal elements and in particular to supports 30, retractable pivoting axes on casters 40 and allowing the passage of the removable caster 13 of the locking module 10.
  • An arm module 20 a approximately the following dimensions: 0.8 m high, 0.6 m width at the base and 0.9 m including the two ground support plates 28, each of the support plates 16 or 28 having an approximate width of 0.15 m.
  • An arm module 20 has an approximate length of 3.5 m.
  • the module Lock 10 has an approximate length of 6 meters.
  • the thickness of metal plates is preferably 3 mm except for the module locking where a thickness of 4 mm is preferred.
  • FIG. 8 is a cross section of an arm module 20 at the level of a support 30.
  • the support In the device at rest, in the closed position, the support is stuck in the ground, inserted in a sheath 31. The sheath is stuck in the ground.
  • the arm module 20 has an approximate external shape trapezoidal equivalent to that of the locking module 10.
  • the walls side of the arm module 20, however, have grooves 23 longitudinal intended to improve the rigidity of the device. In this example As an embodiment, two grooves 23 per side wall are provided. Plates ground support 28 are arranged laterally on each side along a module to improve the stability and holding capacity of the module in case of choc.
  • the module will preferably be carried out by the combination of two folded metal plates.
  • the support 30 passes through a spacer 32, said spacer being fixed to the two side walls of the arm module 20.
  • the spacer 32 consists of three elements bolted together.
  • the spacer may be made in one piece and / or the elements welded together.
  • the support 30 being stuck in the ground in a sheath 31, its length will be preferably as it will be included in the internal template of the module arm 20. In other embodiments, some of these supports may be longer and possibly exceed the template of the standard module.
  • the arm end supports 2 2 must not prevent the translation in overlap of the locking module on the end of said arm as well when they are stuck in the ground in their sheaths or when are extracted.
  • a removable locking ring 34 is provided either above the spacer in order to prevent the support 30 from going too deep into the sleeve 31, either through the spacer 32 and the support 30 in order to block all relative movement between these two parts.
  • Two corresponding holes are provided in the support and possibly in correspondence in the spacer, in order to be able to insert said blocking ring 34.
  • a equivalent locking means could be provided between the sleeve 31 and the support 30 in order to block any relative movement between the two when the support is stuck in the ground.
  • This last blocking means is placed under the ground level so that the scabbard does not protrude and it will preferably be masked by cowling when the supports are removed, the device being open, so as not to obstruct traffic.
  • Locking rings can be removed individually but it is also expected that they can be disengaged simultaneously from all media. In the latter case, all circles will be connected to a cable or a linkage and one or more return springs bringing the rounds into the engagement and blocking position will be provided. he it will therefore suffice that the operator pulls on the cable or the linkage to disengage the round.
  • a round guide secured to the spacer will keep the round in position axial during these engagement and disengagement movements. Of means of transmission will be provided between the cables or the linkage different modules assembled together.
  • the supports 30 will be extracted from their sheaths 31 in order to completely free them from the ground.
  • the supports 30 can then be either completely removed from the device, either left in place in the device by providing as before a blocking ring 34 'arranged so that the support is immobilized in a position where it is no longer engaged in the ground. In the latter case, the support exceeds the upper part of the standard module template. This is a disadvantage at the end of arm 2 where the locking module 10 must be translated into overlap. Also, in this area, we prefer to remove the supports 30 of the device completely.
  • the spacer has a hinge allowing to tilt the support out of its sheath 31 horizontally so that said support is fully included in the template of the arm module 20 and does not obstruct the opening of the locking module 10. Extraction from the sheath 31 of the support 30 is produced by any means, manually, by a gear system or mechanical and / or hydraulic cylinders and / or pneumatic and / or electric.
  • FIG. 9 represents the spacer 32 of FIG. 8 seen from above where the three elements are secured by bolting.
  • Bolt holes are preferably oblong to make up for the clearances.
  • the support 30 is preferably consisting of a metal tube with a diameter of 101.6 mm and 3.6 mm thick, the sheath then having a diameter of 114.3 mm and a thickness of 3.6 mm.
  • the part embedded in the ground as well as the length of the scabbard is approximately 700 mm, but this value will be modulated in depending on the terrain.
  • the diameter of the support passing through the spacer is 114.3 mm.
  • the pivot axis for rotation forming the joint 33 or 33 ' is essentially constructed according to the principles described for the supports.
  • the chosen axis will be a tube metallic which allows the rotation of the spacer, said tube being preferably permanently fixed in the ground.
  • the pivot axis being able to be maintained at its upper part by an articulation holding arm 38 or 38 'of the connection module 50 or 50 'as explained later, the tube can be placed in the ground in a scabbard.
  • more than one spacer may be provided at the level of the joint 33, 33 ′ in order to strengthen it. If two spacers are used for the joint, the first will be arranged towards the upper part of the corresponding arm module and the second towards the lower part.
  • Figure 10 shows a cross section of an arm module 20 at the level of a retractable pivoting foot on castors 40.
  • the pivoting of the foot allows, when the casters are on the ground, a rolling according to all possible directions.
  • the device being closed, the feet are retracted and do not not rest on the ground, the modules then resting through the support plates 28 on the ground.
  • the feet are operated by any means enabling them to be lowered to the ground by a gear or screw jack system or mechanical or pneumatic or hydraulic or electric, so that they rest on the ground and lift the module and therefore the arm.
  • the operator With the arm raised, the operator can easily open the device for tilting the circulation by pushing and rotating the arms 2, 2 'around their joints 33, 33'.
  • the retractable swivel feet on casters are retracted so that the modules rest on the ground again.
  • the supports 30 can then possibly be re-implanted in the ground and the ends of the arms can possibly be attached to concrete blocks 4.
  • the movements of all the roller feet 40 of the modules 20 of one arm will synchronous by a common mechanical transmission of the axis type of transmission and gear, cylinder, pneumatic, hydraulic, or electric. he it is also envisaged that the movement of withdrawal and / or establishment of supports 30 and descent and / or ascent of the roller feet 40 are synchronous.
  • connection frame 35 has bolt holes 25 on its side walls. These holes are oblong to make up for the clearances and metal expansion. Said end of the second module is positioned on the protruding part of the connecting frame of the first module in order to align the bolt holes for these two elements.
  • connection frame 35 has a role of internal stiffening reinforcement and of securing the side walls of the arm modules 20. In this mode of embodiment, the side walls of the modules are in continuity one of the other.
  • the connection framework includes means for passage of a support, said frame then having all the functions of a spacer and a simple connecting frame.
  • connection between two arm modules is by overlapping the walls lateral according to two possibilities.
  • the end walls of one of the modules are offset either backwards or overflows from the general plane of the walls.
  • Ends of two types are then defined, in the general plan and out of the general plan, and can mate.
  • overlapping inserts will be bolted to the walls of the two ends of two adjacent modules like external splints or bilateral.
  • FIG. 13 shows the connection area between a separator permanent type of safety barrier 3 'and an arm 2 of the device.
  • a module connection 50 ' is arranged between the end of the slide 3' and the end of the arm 2 ′ comprising the articulation 33 ′.
  • the 50 'connection module has a beveled end fitting between the two metal profiles of the slide 3, as can be seen in FIG. 13c.
  • an articulation holding arm 38 ′ is fixed to the part upper end of the connection module 50 'arm side 2'.
  • the arm support 38 ' allows to fix the upper part, protruding from the module arm 20, of the pivot axis forming a hinge 33 ′.
  • the holding arm 38 ′ can be omitted.
  • the module connection 50 ' will preferably be fixed on the end of the slide 3' and preferably include internal reinforcements and one or more supports files in the ground which will preferably be anchored in the ground.
  • the length approximate of this connection module is 3.50 meters.
  • the walls side of the arm module 20 comprising the articulation 33 ′ will preferably covered towards the joint so that the splines 23 are hidden, the lateral profile then being similar to that of the connection module 50 ', Figures 13a and 13b.
  • FIG 14 shows a top view of the connection area between a permanent separator of the concrete wall type 3 and the articulated end an arm 2.
  • the connection module 50 comprises a holding arm 38.
  • the arm 38 is fixed to the upper part of the pivot axis forming joint 33.
  • the approximate minimum length of this module connection is 1.50 meters in order to pass from the profile of the separator permanent concrete to the profile of the arm modules.
  • Module 50 will preferably fixed by bolting on the end of the permanent separator 3.
  • the section passes through reinforcements 26 and 26 ' metal or spacers 32 internal to the arm modules.
  • These elements are intended to secure the side walls and strengthen the structure of arm modules 20.
  • the respective numbers of internal reinforcements 26, 26 ', spacers 32, inside the arm modules 20 or connection modules 50, 50 ' will depend on the desired holding capacity for the device.
  • For a 3.5 meter long arm module including a connecting frame module 35 provision is preferably made for a support and an internal reinforcement. If one higher holding capacity is sought, at least two supports and two reinforcements will be provided. However all possible combinations of numbers of these elements are envisaged, the aim being to obtain a capacity enough restraint for the best cost.
  • the modules 10, 20, 50, 50 ' are preferably symmetrical with respect to a vertical median plane longitudinal.
  • the operator can push each arm on a road with a slope of around 4%, no load greater than 40 kg being carried despite an arm weight over 1500 Kg. During these operations, the operator is under protection of the device.
  • a device comprising only one arm is considered. It includes a first connection module on the separator permanent upstream, an articulated arm, a locking module according to the previous description and a second connection module which can receive the end of the locking module and be locked there. Said second module of connection connecting to the permanent downstream separator. Besides, it is envisaged that the operation of the device is partially or totally remote-controlled, electrical, pneumatic effectors, hydraulic and sensors ensuring and controlling the movements of different moving parts.
  • the arm modules 20 are partially or fully standardized and can be used indifferently along an arm.
  • the stops 29 and 29 ' will be removable for only be placed according to the needs and the mode of connection between the modules 20 will be chosen accordingly, or that module 20 does not have no connecting frame or that an overlapping system is chosen.
  • the transmission of the control of the movements of the supports 30 and of the feet retractable swivel castors 40 may, as indicated, be common and synchronous or not. Likewise for the locking rounds 34. Furthermore, this or these transmissions can be done in a common way along the arm for all these moving parts.
  • a transmission axis longitudinal can be terminated at each end of a module by a device coupling allowing, when the arm modules are assembled, coupling and transmission of the command from one end to the other of the arm and to the next arm.
  • a means of limiting the arm travel during its rotation, means of restraint either included in the device.
  • This means can be a brake acting on the rollers of one or several retractable pivot axes 40, a cable connected to the arm and anchored to the ground on the central reservation, a stop anchored to the ground near the articulation according to two positions or a simple block placed on the ground at the desired location for the arm in the open position for tilting Traffic.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Paving Structures (AREA)
  • Transplanting Machines (AREA)
  • Control And Safety Of Cranes (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Looms (AREA)
  • Finger-Pressure Massage (AREA)
  • Tents Or Canopies (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Soil Working Implements (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

The trapezoidal locking module (10) can translate on the second end of the arm (2) to ensure emergency opening. Each lateral wall has along its internal surface two U-shaped rigidifying sections (11) comprising two side guide casters (12) and a removable caster located at one end of the module. A pair of upper guide casters (14) is fixed on the top wall. The central reservation is composed of metal trapezoidal modules comprising retractable supports engaged in sleeves stuck in the ground. The supports are positioned in braces integral with side walls. The reservation comprises an arm (2) composed of an arm module (20). The arm at its first end rotates around a vertical articulation. The arm has a retractable pivoting base on casters which lifts and allows rotation of the arm. Castor tracks (24) are on the side parts of the walls' upper surface. There is an internal reinforcement (26) for the arm the base of which extends down to ground support plates (28).

Description

La présente invention concerne un dispositif d'interruption de terre-plein central. Elle a des applications dans le domaine de la technique routière et plus particulièrement dans la technique des séparateurs de voies de circulation.The present invention relates to a median interruption device central. It has applications in the field of road engineering and more particularly in the technique of traffic lane dividers.

Les dispositifs de séparation des voies de circulation qui sont couramment utilisés peuvent être classés en deux grands groupes en fonction de leur comportement en cas de choc.Traffic lane separation devices that are commonly used can be classified into two broad groups based of their behavior in the event of an impact.

Le premier groupe présente une déformation minimale en cas de choc et tend à renvoyer le véhicule vers sa voie de circulation . Les séparateurs appartenant à ce groupe sont donc relativement rigides ou semi-rigides et sont généralement ancrés dans le sol et/ou constitués d'éléments de masse très importante. Ce groupe de séparateur est le plus utilisé et comprend le mur en béton ou séparateur béton et la barrière métallique ancrée au sol ou glissière simple ou double file constituée de supports fichés dans le sol, d'entretoises et d'éléments de glissement.The first group presents minimal deformation in the event of impact and tends to return the vehicle to its lane. The separators belonging to this group are therefore relatively rigid or semi-rigid and are generally anchored in the ground and / or made up of elements of mass very important. This group of separators is the most used and includes the wall in concrete or concrete separator and the metal barrier anchored to the ground or slide single or double file consisting of supports inserted into the ground, spacers and sliding elements.

Le second groupe, par contre, tend à se déplacer en cas de choc pour absorber l'énergie du choc. Les séparateurs de ce groupe se déforment et/ou se déplacent donc vers la voie de circulation opposée lorsqu'ils sont implantés en TPC sur une distance dépendant des conditions de l'impact. Ces séparateurs sont généralement utilisés dans des installations temporaires, chantiers par exemple, ou dans des zones où la déformation du séparateur ne porte pas à conséquences, c'est-à-dire des zones où le terre-plein central est large. Des normes ont été définies quant aux capacités de retenue de ces deux groupes de séparateurs.The second group, on the other hand, tends to move in the event of a shock for absorb the energy of the shock. The separators of this group are deformed and / or therefore move towards the opposite traffic lane when installed in TPC over a distance depending on the impact conditions. These separators are generally used in temporary installations, construction sites for example, or in areas where the deformation of the separator does not does not have consequences, i.e. areas where the central reservation is large. Standards have been defined for the holding capacities of these two separator groups.

On considère ici plus particulièrement les séparateurs du premier groupe qui sont généralement destinés à occuper leur position à long terme ou définitivement entre les voies de circulation. Pour la suite on utilisera le terme de séparateur permanent pour les désigner.We consider here more particularly the separators of the first group which are generally intended to occupy their long-term position or definitely between traffic lanes. For the rest we will use the term permanent separator to designate them.

Pour permettre des communications à travers les terre-plein centraux comportant des séparateurs permanents, ces derniers sont interrompus, par exemple dans le cadre d'une autoroute, tous les deux kilomètres environ. Aux endroits correspondant, ou zones de communication, les séparateurs sont amovibles. Cependant, afin que la sécurité puisse être assurée tout le long de l'autoroute, la capacité de retenue des séparateurs, au droit de ladite zone de communication, doit être suffisante et idéalement de même niveau de retenue ou, encore, équivalente à celle des séparateurs permanents d'amont et d'aval. Dans les dispositifs connus, la facilité et la rapidité d'ouverture sont des fonctions inverses de la capacité de retenue à cause de la présence de l'ancrage dans le sol et/ou le poids des séparateurs. Si la capacité de retenue est plus faible, la zone correspondante doit être la plus courte possible et doit être disposée sur une portion de l'autoroute ne présentant aucun risque particulier de sortie de route. Or, si, pour un passage d'urgence, une largeur de quelque mètres de la zone de communication est suffisante, par contre, pour le basculement de la circulation d'un coté du terre plein vers l'autre, une largeur de plusieurs dizaines de mètres est nécessaire. Par ailleurs, il est des cas où un basculement des voies de circulation doit être envisagé régulièrement. C'est en particulier le cas aux abords de péages ou, encore, dans les zones montagneuses présentant des galeries qui doivent être entretenues et où il est préférable de fermer complètement la circulation en la basculant sur la voie opposée.To allow communications through the central reservation with permanent separators, these are interrupted by example within the framework of a motorway, approximately every two kilometers. To the corresponding places, or communication zones, the dividers are removable. However, so that security can be assured throughout the highway, the containment capacity of the separators, in line with the said zone of communication, must be sufficient and ideally of the same level of restraint or, again, equivalent to that of permanent upstream and downstream separators. In known devices, the ease and speed of opening are inverse functions of the holding capacity due to the presence of anchoring in the ground and / or the weight of the separators. If the holding capacity is weaker, the corresponding zone must be as short as possible and must be located on a portion of the highway that presents no risk particular road exit. However, if, for an emergency passage, a width of a few meters from the communication area is sufficient, however, for the tilting of traffic from one side of the solid ground to the other, a width several tens of meters is necessary. Besides, there are cases where tipping lanes should be considered regularly. It is in particular the case near tolls or, even, in the zones mountainous with galleries that need to be maintained and where it is better to completely close the traffic by tilting it on the track opposite.

Ainsi, si l'on connaít dans l'état de la technique des dispositifs de retenue pour zone de communication qui peuvent être ouverts ou fermés par une personne seule sans matériel lourd, ces derniers ne concernent que des largeurs de passage d'une dizaine de mètres ne pouvant être utilisées pour le basculement des voies de circulation et/ou qui présentent des capacités de retenue réduite par rapport aux séparateurs permanents.Thus, if we know in the state of the art retaining devices for communication area which can be opened or closed by a no one alone without heavy equipment, these only concern passage widths of around ten meters which cannot be used for tipping of traffic lanes and / or with traffic reduced retention compared to permanent separators.

Le but de l'invention est donc de remédier à ces inconvénients et de proposer un dispositif d'interruption de terre-plein central pour zone de communication entre voies de circulation qui présente une capacité de retenue de même niveau ou, encore, voisine de celles des séparateurs permanents d'amont et d'aval sur une largeur de quelques mètres à plusieurs dizaines de mètres et qui soit manoeuvrable rapidement et sans matériel lourd par un opérateur.The object of the invention is therefore to remedy these drawbacks and to propose a central embankment interruption device for communication between traffic lanes which has a holding capacity of the same level or, again, close to those of permanent separators upstream and downstream over a width of a few meters to several tens of meters and which can be maneuvered quickly and without heavy equipment by a operator.

L'invention concerne donc un dispositif d'interruption de terre-plein central à séparateur permanent pour zone de communication entre voies de circulation présentant une position de fermeture assurant la continuité de la séparation des voies de circulation et des positions d'ouverture respectivement d'urgence et de basculement de la circulation où les voies de circulation sont mises en communication, constitué de modules métalliques assemblés et comportant des supports fichés dans le sol.The invention therefore relates to a median interruption device central with permanent separator for communication area between circulation with a closed position ensuring continuity of separation of traffic lanes and open positions respectively emergency and traffic changeover where traffic lanes are communication, consisting of assembled metal modules and with supports stuck in the ground.

Selon l'invention, le dispositif comporte:

  • au moins un bras constitué d'au moins un module de bras, ledit module ayant deux parois latérales, ledit bras étant mobile en rotation autour d'un axe vertical formant articulation à une première de ses extrémités, ledit bras comportant au moins un pied pivotant escamotable comportant des roulettes destiné à soulever et à permettre la rotation dudit bras afin d'assurer une ouverture facile de basculement de la circulation;
  • un module de verrouillage mobile en translation sur le bras afin d'assurer une ouverture d'urgence.
According to the invention, the device comprises:
  • at least one arm consisting of at least one arm module, said module having two side walls, said arm being movable in rotation about a vertical axis forming a joint at a first of its ends, said arm comprising at least one pivoting foot retractable comprising rollers intended to lift and allow the rotation of said arm in order to ensure an easy opening of tilting of the circulation;
  • a mobile locking module in translation on the arm to ensure emergency opening.

L'invention concerne également les caractéristiques ci-après, considérées isolément ou selon toutes leurs combinaisons techniques possibles:

  • deux modules de raccordement sont disposés entre les deux extrémités du dispositif et les deux extrémités des séparateurs permanents, lesdits modules de raccordement étant destinés à assurer la continuité de la séparation avec les deux séparateurs permanents adjacents ;
  • chaque support est disposé dans un fourreau fiché dans le sol, ledit support étant rétractable afin d'être désengagé hors du sol et étant disposé dans une entretoise, ladite entretoise étant solidaire des parois latérales d'un module de bras.
  • les modules de bras et de verrouillage ont un profil trapézoïdal, les parois latérales desdits modules sont fermées et des plaques d'appuis au sol sont disposées latéralement à la base desdits modules, afin de renforcer les capacités de retenue desdits modules.
  • le module de bras est rigidifié par au moins deux cannelures disposées le long de chaque paroi latérale et par au moins un renfort interne.
  • chaque paroi latérale du module de verrouillage comporte le long de sa face interne au moins deux profilés en U pour rigidification, chacun desdits profilés comportant au moins deux roulettes de guidage latérales réparties le long desdits profilés et en ce qu'une roulette amovible est disposée à une extrémité dudit module.
  • chaque module de bras destiné à recevoir en recouvrement par translation le module de verrouillage comporte à sa face supérieure au moins une paire de roulettes.
  • l'entretoise comporte une articulation afin que le support amovible, une fois rétracté hors du sol, puisse être basculé vers l'horizontale afin de rester à l'intérieur du gabarit défini par un module de bras.
  • l'axe formant articulation est un support fiché dans le sol constitué d'un tube métallique rond et en ce que le tube est disposé dans au moins une entretoise comportant un passage circulaire adapté, ladite entretoise étant solidaire des parois latérales d'un module de bras.
  • le dispositif comporte un moyen de retenue destiné à limiter l'ouverture en rotation du bras jusqu'à une position prédéfinie.
  • l'assemblage entre un premier module de bras et un second module de même bras, est assurée par boulonnage ou clavetage de l'extrémité correspondante du deuxième module sur un cadre de liaison solidaire et débordant du premier module.
  • l'assemblage entre un premier module de bras et un second module de même bras, est assuré par chevauchement recouvrant et boulonnage ou clavetage des extrémités correspondantes desdits modules.
  • l'assemblage entre deux modules d'un même bras, est assuré par boulonnage ou clavetage d'une pièce rapportée chevauchant et recouvrant les extrémités correspondantes desdits modules.
  • le dispositif étant fermé, le module de verrouillage est claveté sur les modules de bras adjacents.
  • le module de raccordement disposé entre l'extrémité du bras comportant l'articulation et le séparateur permanent présente deux parois latérales fermées et comporte à sa partie supérieure un bras de maintien d'articulation.
  • le module de bras mesure approximativement 0,8 m de hauteur, 0,6 m de largeur à la base, la base se poursuivant latéralement par deux plaques d'appuis au sol de 0,15 m de largeur chacune, 0,27 m de largeur au sommet pour une longueur de 3,5 m.
  • des butées sont prévues sur les modules de bras, afin de limiter les mouvements de translation en recouvrement du module de verrouillage.
  • les mouvements de montée et de descente de l'axe pivotant escamotable comportant des roulettes sont commandés par un moyen du type vérin à vis ou similaire.
  • dans un bras, les mouvements de montée et de descente du pied pivotant escamotable comportant des roulettes et les mouvements de montée et de descente du support peut être commandés par un moyen unique et synchronisés.
  • la longueur courante du dispositif est d'au moins 32 m et il comporte deux bras, chacun des bras comportant au moins quatre modules de bras.
The invention also relates to the following characteristics, considered in isolation or in all their possible technical combinations:
  • two connection modules are arranged between the two ends of the device and the two ends of the permanent separators, said connection modules being intended to ensure the continuity of the separation with the two adjacent permanent separators;
  • each support is arranged in a sheath inserted into the ground, said support being retractable so as to be disengaged out of the ground and being arranged in a spacer, said spacer being integral with the side walls of an arm module.
  • the arm and locking modules have a trapezoidal profile, the side walls of said modules are closed and ground support plates are arranged laterally at the base of said modules, in order to reinforce the retaining capacities of said modules.
  • the arm module is stiffened by at least two grooves arranged along each side wall and by at least one internal reinforcement.
  • each side wall of the locking module comprises, along its internal face, at least two U-shaped profiles for stiffening, each of said profiles comprising at least two lateral guide rollers distributed along said profiles and in that a removable caster is arranged at one end of said module.
  • each arm module intended to receive in overlapping by translation the locking module comprises at its upper face at least one pair of rollers.
  • the spacer has a hinge so that the removable support, once retracted from the ground, can be tilted horizontally in order to remain inside the template defined by an arm module.
  • the axis forming a hinge is a support inserted into the ground consisting of a round metal tube and in that the tube is disposed in at least one spacer comprising a suitable circular passage, said spacer being integral with the side walls of a module of arms.
  • the device comprises a retaining means intended to limit the opening in rotation of the arm to a predefined position.
  • the assembly between a first arm module and a second module of the same arm is ensured by bolting or keying the corresponding end of the second module on a connecting frame integral and projecting from the first module.
  • the assembly between a first arm module and a second module of the same arm is ensured by overlapping overlapping and bolting or keying of the corresponding ends of said modules.
  • the assembly between two modules of the same arm is ensured by bolting or keying of an overlapping insert covering and covering the corresponding ends of said modules.
  • the device being closed, the locking module is keyed onto the adjacent arm modules.
  • the connection module disposed between the end of the arm comprising the articulation and the permanent separator has two closed side walls and comprises at its upper part an articulation holding arm.
  • the arm module measures approximately 0.8 m in height, 0.6 m in width at the base, the base continuing laterally by two ground support plates of 0.15 m in width each, 0.27 m in width at the top for a length of 3.5 m.
  • stops are provided on the arm modules, in order to limit the translational movements in overlap of the locking module.
  • the upward and downward movements of the retractable pivoting axis comprising rollers are controlled by means of the screw jack type or the like.
  • in an arm, the movements of raising and lowering of the retractable pivoting foot comprising rollers and the movements of raising and lowering of the support can be controlled by a single means and synchronized.
  • the current length of the device is at least 32 m and it comprises two arms, each of the arms comprising at least four arm modules.

D'autres avantages et caractéristiques de l'invention ressortiront à la lecture de la description d'exemples de réalisation à l'aide de dessins.Other advantages and characteristics of the invention will become apparent from the reading the description of exemplary embodiments using drawings.

Dans ces dessins:

  • La figure 1 représente une vue latérale d'un dispositif en position fermée.
  • La figure 2 représente un dispositif dans plusieurs positions d'ouverture et vu de dessus.
  • La figure 3 représente une vue latérale du dispositif détaillant le module de verrouillage en position fermée.
  • La figure 4 représente une vue latérale du dispositif détaillant le module de verrouillage dans une position d'ouverture.
  • La figure 5 représente une coupe transversale d'un module de verrouillage au niveau d'une roulette escamotable.
  • La figure 6 représente une coupe transversale d'un bras au niveau d'un module de verrouillage selon un premier mode de réalisation.
  • La figure 7 représente une coupe transversale d'un bras au niveau d'un module de verrouillage selon un second mode de réalisation.
  • La figure 8 représente une coupe transversale d'un module de bras au niveau d'un support .
  • La figure 9 représente une vue supérieure d'un support et de l'entretoise correspondante.
  • La figure 10 représente une coupe transversale d'un module de bras au niveau d'un pied pivotant escamotable comportant des roulettes.
  • La figure 11 représente une coupe transversale d'une liaison entre deux modules de bras selon un premier mode de réalisation.
  • La figure 12 représente une vue latérale d'une zone de liaison entre deux modules de bras selon un premier mode de réalisation.
  • La figure 13 représente une vue latérale de la zone de raccordement entre une glissière métallique permanente et le dispositif selon l'invention.
  • Les figures 13a, 13b, 13c, représentent des vues en coupes transversales du dispositif de la figure 13 selon les sections A-A, B-B et C-C respectivement.
  • La figure 14 représente une vue supérieure de la zone de raccordement entre un mur de béton et le dispositif selon l'invention.
  • La figure 15 représente un exemple de commande mécanique synchronisée des supports et des pieds amovibles.
In these drawings:
  • Figure 1 shows a side view of a device in the closed position.
  • Figure 2 shows a device in several open positions and seen from above.
  • Figure 3 shows a side view of the device detailing the locking module in the closed position.
  • Figure 4 shows a side view of the device detailing the locking module in an open position.
  • Figure 5 shows a cross section of a locking module at a retractable wheel.
  • Figure 6 shows a cross section of an arm at a locking module according to a first embodiment.
  • Figure 7 shows a cross section of an arm at a locking module according to a second embodiment.
  • Figure 8 shows a cross section of an arm module at a support.
  • Figure 9 shows a top view of a support and the corresponding spacer.
  • FIG. 10 represents a cross section of an arm module at the level of a retractable pivoting foot comprising rollers.
  • FIG. 11 represents a cross section of a connection between two arm modules according to a first embodiment.
  • FIG. 12 represents a side view of a connection zone between two arm modules according to a first embodiment.
  • FIG. 13 shows a side view of the connection zone between a permanent metal slide and the device according to the invention.
  • Figures 13a, 13b, 13c show cross-sectional views of the device of Figure 13 according to sections AA, BB and CC respectively.
  • FIG. 14 represents a top view of the connection zone between a concrete wall and the device according to the invention.
  • FIG. 15 represents an example of synchronized mechanical control of the supports and of the removable feet.

Sur la figure 1, un exemple de réalisation du dispositif selon l'invention est représenté. Il comporte deux bras articulés 2, 2' réunis par un module de verrouillage 10. Le dispositif est destiné à être placé dans une zone de communication entre deux voies de circulation sur un terre-plein central. Une première extrémité du dispositif se poursuit par un séparateur permanent du type barrière de béton 3 et une seconde extrémité du dispositif par une glissière de sécurité 3' par l'intermédiaire de deux modules de raccordement 50 et 50'. Chacun des bras 2 et 2' est constitué de quatre modules de bras 20 d'environ 3,5 mètres de longueur, un bras mesurant alors 14 mètres de longueur. Les modules de bras 20 sont réunis entre eux au niveau de zones d'assemblage 21. Chaque module de bras 20 présente sur chacune de ses deux faces latérales, continues et fermées, au moins deux cannelures 23. Le module de verrouillage 10 comporte deux faces latérales planes continues. La continuité signifie que le module n'est pas ouvert latéralement, limitant les conséquences en cas de choc avec un motard. La largeur de la zone de communication est alors d'environ 28 mètres. Chacun des bras 2 et 2' est mobile dans le plan horizontal autour d'un axe pivot formant une articulation 33 et 33' respectivement. L'articulation 33 ou 33' est située sur l'extrémité du bras 2 ou 2' adjacente au module de raccordement 50, 50' correspondant. Les extrémités des bras 2, 2' opposées aux articulations 33 et 33' sont réunies entre elles par l'intermédiaire du module de verrouillage 10. L'axe pivot formant articulation 33 ou 33' est fiché dans le sol sensiblement verticalement afin que sur une zone de communication horizontale, les bras se déplacent en rotation horizontalement. Un module de bras 20 comporte au moins un support 30 ou son équivalent sous forme de l'axe pivot formant une articulation 33, 33', qui est fiché dans le sol. Les modules formant le dispositif sont essentiellement constitués de tôles d'acier, galvanisés, de renforts, d'entretoises pour support et sont essentiellement creux. L'acier utilisé a au moins les caractéristiques de l'acier S 235 JR selon NF EN 10 025 et est apte à la galvanisation selon NF A 35-503. La galvanisation sera obtenue par trempage selon NF A 91-121.In FIG. 1, an exemplary embodiment of the device according to the invention is represented. It has two articulated arms 2, 2 'joined by a module locking device 10. The device is intended to be placed in an area of communication between two traffic lanes on a central reservation. A first end of the device continues with a permanent separator concrete barrier type 3 and a second end of the device by a 3 'safety barrier via two connection modules 50 and 50 '. Each of the arms 2 and 2 'is made up of four arm modules 20 about 3.5 meters in length, an arm then measuring 14 meters in length. The arm modules 20 are joined together at the level of zones assembly 21. Each arm module 20 has on each of its two lateral faces, continuous and closed, at least two grooves 23. The locking module 10 has two continuous flat side faces. The continuity means that the module is not open laterally, limiting the consequences in the event of a collision with a biker. The width of the communication is then about 28 meters. Each of arms 2 and 2 'is movable in the horizontal plane around a pivot axis forming a joint 33 and 33 'respectively. The joint 33 or 33 'is located on the end of the arm 2 or 2 'adjacent to the corresponding connection module 50, 50'. The ends of the arms 2, 2 'opposite the joints 33 and 33' are joined between them via the locking module 10. The pivot axis forming articulation 33 or 33 'is stuck in the ground substantially vertically so that on a horizontal communication area, the arms move in rotation horizontally. An arm module 20 comprises at least one support 30 or its equivalent in the form of the pivot axis forming a joint 33, 33 ', which is stuck in the ground. The modules forming the device are essentially made of galvanized steel sheets, reinforcements, spacers for support and are essentially hollow. The steel used has at least the characteristics of S 235 JR steel according to NF EN 10 025 and is suitable for galvanizing according to NF A 35-503. The galvanization will be obtained by dipping according to NF A 91-121.

Sur la figure 2, le dispositif est représenté ouvert selon trois possibilités données à titre d'exemple.In Figure 2, the device is shown open in three possibilities given as an example.

Dans une première position, les deux bras sont colinéaires entre eux sur le terre-plein central 5 et le module de verrouillage 10 est translaté en recouvrement sur l'un des bras 2 afin de réaliser une ouverture d'urgence dans la zone de communication. Pour un module de verrouillage de longueur approximative de 6 mètres, une ouverture d'urgence d'environ 4 mètres est obtenue. Les supports 30, dans cette position, sont fichés dans le sol dans leurs fourreaux.In a first position, the two arms are collinear with each other on the central reservation 5 and the locking module 10 is translated into overlap on one of the arms 2 in order to produce an emergency opening in the communication area. For a length locking module approximately 6 meters, an emergency opening of approximately 4 meters is obtained. The supports 30, in this position, are stuck in the ground in their sheaths.

Dans les configurations suivantes d'ouverture représentées sur la même figure 2, les bras ont été déplacés en rotation autour des l'articulations 33 et 33' afin de permettre le basculement de la circulation entre deux ou quatre voies suivant l'angle d'ouverture. Des blocs de béton 4 peuvent être placés en avant de l'extrémité du bras et parallèlement à l'axe de circulation. Dans un mode particulier de mise en oeuvre, un moyen d'accrochage entre l'extrémité correspondante du bras et le bloc de béton, est prévu. Afin de permettre la rotation des bras, les supports 30 ont été extraits du sol où ils étaient insérés dans leurs fourreaux. Une fois la position d'ouverture du dispositif atteinte, les supports pourront être réinsérés dans le sol dans des fourreaux qui, en temps normal, communication non ouverte, seront fermés par un capotage au niveau de la chaussée afin d'éviter leur remplissage par divers débris et/ou d'entraver la circulation. Un tel capotage amovible pourra aussi être prévu pour les fourreaux situés sur le terre plein central. Les fourreaux seront alors fermés lors du basculement de la circulation.In the following opening configurations shown on the same Figure 2, the arms have been moved in rotation around the joints 33 and 33 ' to allow traffic to switch between two or four lanes according to the opening angle. Concrete blocks 4 can be placed in front from the end of the arm and parallel to the axis of circulation. In a mode particular implementation, a means of attachment between the end corresponding arm and concrete block, is planned. In order to allow the rotation of the arms, the supports 30 were extracted from the ground where they were inserted in their sheaths. Once the open position of the device is reached, the supports can be reinserted into the ground in sheaths which, in time normal, communication not open, will be closed by a cover at the level of the roadway in order to avoid filling them with various debris and / or to obstruct the circulation. Such a removable cover may also be provided for scabbards located on the central reservation. The sleeves will then be closed during traffic change.

La figure 3 est une vue du dispositif fermé selon la figure 1 détaillant plus particulièrement le module de verrouillage 10 et les modules de bras 20 adjacents. Le module de verrouillage repose à ses deux extrémités sur les extrémités correspondantes desdits modules de bras. Le module de verrouillage et les modules de bras sont clavetés entre eux par des clavettes 15. Le module de verrouillage pouvant se déplacer en translation sur les modules de bras, des butées sont prévues afin de limiter le débattement dudit module de verrouillage. Une première série de butées 29' arrêtant le module de verrouillage 10 en position fermée est disposée sur le module de bras 20 d'extrémité du bras 2'.Figure 3 is a view of the closed device according to Figure 1 detailing more particularly the locking module 10 and the arm modules 20 adjacent. The locking module rests at both ends on the corresponding ends of said arm modules. The module locking and the arm modules are keyed together by keys 15. The locking module can move in translation on the arm modules, stops are provided in order to limit the deflection of said arm locking module. A first series of stops 29 ′ stopping the module locking 10 in the closed position is arranged on the arm module 20 end of arm 2 '.

Sur la figure 4 représentant le dispositif dans une première position d'ouverture, une seconde série de butées 29 arrêtant le module de verrouillage 10 en position ouverte est disposée sur un module de bras du bras 2. Le module de verrouillage a été translaté en recouvrement sur le bras 2. Les moyens de clavetage 15 ont été retirés et seront, de préférence, stockés dans un réceptacle prévu dans le dispositif. Cependant lorsque l'ouverture doit être maintenue, des moyens de clavetage 15' pourront aussi être utilisés pour fixer le module de verrouillage dans cette position d'ouverture. Des moyens de roulement décrits ultérieurement sont utilisés à cette fin et permettent la manoeuvre du module de verrouillage par un seul opérateur sans moyen lourd. La translation du module de verrouillage pourra être facilitée par une poignée ou un bras de poussée amovible.In Figure 4 showing the device in a first position opening, a second series of stops 29 stopping the locking module 10 in the open position is arranged on an arm module of the arm 2. The locking module has been translated into an overlap on arm 2. The keying means 15 have been removed and will preferably be stored in a receptacle provided in the device. However when the opening must be maintained, keying means 15 ′ may also be used to fix the locking module in this open position. Means of bearings described later are used for this purpose and allow the operation of the locking module by a single operator without heavy means. The translation of the locking module can be facilitated by a handle or a removable push arm.

La figure 5 représente une coupe transversale d'un module de verrouillage 10 au niveau de l'extrémité comportant une roulette amovible 13. L'extrémité comportant ladite roulette 13 est à l'opposé du bras recevant en translation ledit module de verrouillage afin que l'ouverture dudit élément de verrouillage en translation et recouvrement puisse être maximale, les modules de bras 20 comportant intérieurement des renforts 26, des supports 30 , et d'autres éléments pouvant s'opposer au passage interne de ladite roulette escamotable 13. Dans un dispositif fermé, la roulette amovible 13 est escamotée et ne repose pas sur le sol. Lors de l'ouverture du dispositif, la roulette amovible 13 est descendue ou basculée pour toucher le sol. La descente ou le basculement de la roulette peut être obtenue par tout moyen connu de l'homme du métier dont système à vis, vérin mécanique, vérin pneumatique, hydraulique ou électrique. La roulette sera préférentiellement fixe et orientée pour pouvoir rouler dans l'axe du module de verrouillage. Cependant, il est aussi envisagé que la roulette soit montée pivotante par rapport à son axe support. Cette configuration est utile lorsque la roulette repose encore sur le sol lors de la rotation du bras correspondant pour ouverture. Le module de verrouillage 10 présente en coupe transversale une forme approximativement trapézoïdale et symétrique à base, du coté du sol, large et sommet supérieur, opposé, étroit. Les parois latérales joignant les extrémités de la base et du sommet ainsi que la paroi supérieure formant sommet sont sensiblement planes et continues. La base du module 10 est ouverte. A la base du module 10, latéralement, le long de chaque côté sont disposées deux plaques d'appui au sol 16. Ces plaques d'appui au sol sont destinées à améliorer la stabilité et la capacité de retenue du dispositif en cas de choc, la ou les roues du véhicule plaquant la plaque d'appui sur le sol. Les faces internes des deux parois latérales du module de verrouillage comportent des profilés 11 métalliques en U destinés à renforcer la rigidité du module. Ces profilés 11 sont préférentiellement soudés et sont disposés chacun à une hauteur correspondant aux cannelures 23, décrites ultérieurement, des modules de bras 20 afin que la translation du module 10 sur le bras 2 puisse se faire sans encombre. Des roulettes de guidage latérales 12 sont disposées régulièrement le long desdits profilés 11. Les roulettes de guidage latérales 12 sont destinées à circuler dans les cannelures 23 aménagées sur les parois latérales des modules de bras 20. Le module de verrouillage est préférentiellement réalisé à partir d'une seule plaque de métal qui est pliée. Cependant il est aussi envisagé que le module de verrouillage soit réalisé par la réunion de deux, ou plus, plaques de métal par soudure et/ou boulonnage.Figure 5 shows a cross section of a module locking 10 at the end comprising a removable caster 13. The end comprising said roller 13 is opposite the arm receiving in translation of said locking module so that the opening of said element of translation locking and overlapping may be maximum, the modules arms 20 internally comprising reinforcements 26, supports 30, and other elements which may oppose the internal passage of said caster retractable 13. In a closed device, the removable caster 13 is retracted and does not rest on the ground. When opening the device, the removable caster 13 is lowered or tilted to touch the ground. The lowering or tilting of the caster can be achieved by any means known to those skilled in the art including screw system, mechanical actuator, actuator pneumatic, hydraulic or electric. Roulette will preferably be fixed and oriented to be able to roll in the axis of the locking module. However, it is also envisaged that the caster is pivotally mounted by in relation to its support axis. This configuration is useful when the wheel still rests on the ground when rotating the corresponding arm to opening. The locking module 10 has in cross section a approximately trapezoidal and symmetrical shape at the base, on the side of the ground, broad and upper apex, opposite, narrow. The side walls joining the ends of the base and top as well as the top wall forming apexes are substantially flat and continuous. The basis of module 10 is opened. At the base of module 10, laterally, along each side are arranged two ground support plates 16. These ground support plates are intended to improve the stability and the retaining capacity of the device in the event of impact, the vehicle wheel (s) pressing the support plate on the ground. The internal faces of the two side walls of the locking module comprise metal profiles 11 in U intended to reinforce the rigidity of the module. These profiles 11 are preferably welded and are each arranged at a height corresponding to the grooves 23, described later, of the arm modules 20 so that the translation of the module 10 on the arm 2 can be do it without a hitch. Side guide rollers 12 are arranged regularly along said sections 11. The lateral guide rollers 12 are intended to circulate in the grooves 23 arranged on the walls side of the arm modules 20. The locking module is preferably made from a single metal plate which is folded. However, it is also envisaged that the locking module is produced by the joining of two or more metal plates by welding and / or bolting.

Les figures 6 et 7 permettent de visualiser grâce à une coupe transversale d'un bras au niveau d'un module de verrouillage deux modes de réalisation du système permettant le roulement du module de verrouillage 10 sur les modules de bras 20 du bras 2 à la partie supérieure du dispositif. Dans le premier mode de réalisation, figure 6, au moins une paire de roulettes de guidage supérieure 14 est fixée sur la paroi de sommet du module de verrouillage 10. Des chemins de roulement 24 sont disponibles sur les parties latérales de la face supérieure des parois de sommet des modules de bras 20. La coupe passe par un renfort interne 26 de module de bras 20. La base du renfort interne 26 pourra descendre jusqu'au niveau des plaques d'appui au sol 28. Dans ce mode, seul le module de verrouillage 10 comporte des roulettes de guidage latérales 12 et supérieures 14, permettant la translation en recouvrement dudit module 10 sur le bras 2 correspondant. Sur cette figure sont représentés les moyens de clavetage 15, cependant ils pourront être disposés à d'autres niveaux en hauteur et le long des modules. Dans le second mode de réalisation, figure 7, au moins une paire de roulettes 27 est fixée vers le sommet du bras 2 et des chemins de roulement 17 sont disponibles sur la face inférieure de la paroi de sommet du module de verrouillage 10. La coupe passe par un renfort interne 26' supportant la paire de roulettes 27. Dans ce mode, des roulettes sont donc prévues à la fois sur le module de verrouillage et sur le bras.Figures 6 and 7 allow to visualize thanks to a section transverse of an arm at a locking module two modes of realization of the system allowing the rolling of the locking module 10 on the arm modules 20 of arm 2 at the top of the device. In the first embodiment, FIG. 6, at least one pair of rollers of upper guide 14 is fixed to the top wall of the module locking 10. Roller tracks 24 are available on the parts side of the upper face of the top walls of the arm modules 20. The cut passes through an internal reinforcement 26 of arm module 20. The base of the internal reinforcement 26 may descend to the level of the ground support plates 28. In this mode, only the locking module 10 has rollers for lateral guides 12 and upper 14, allowing translation into covering of said module 10 on the corresponding arm 2. In this figure the keying means 15 are shown, however they may be arranged at other levels in height and along the modules. In the second embodiment, FIG. 7, at least one pair of rollers 27 is fixed towards the top of the arm 2 and the raceways 17 are available on the underside of the top wall of the locking module 10. The section goes through an internal reinforcement 26 'supporting the pair of rollers 27. In this mode, casters are therefore provided both on the locking module and on the arm.

Les dimensions respectives du module de verrouillage 10 et des modules de bras 20 sont adaptées afin que la translation du module de verrouillage 10 sur le bras 2 se fasse sans obstacle. On peut noter sur les figures 6 et 7 que le module de bras 20 possède à sa base et latéralement des plaques d'appui au sol 28 ayant la même fonction que celles, 16, du module de verrouillage 10. Cependant la forme des plaques d'appui 16 du module de verrouillage 10 permet leur translation sur celles, 28, du module de bras 20. On notera aussi que la partie centrale du sommet des modules de bras est ouverte permettant l'accès aux éléments internes et en particulier aux supports 30, aux axes pivotants escamotables à roulettes 40 et permettant le passage de la roulette amovible 13 du module de verrouillage 10. Un module de bras 20, a approximativement les dimensions suivantes: 0,8 m de hauteur, 0,6 m de largeur à la base et 0,9 m en comptant les deux plaques d'appui au sol 28, chacune des plaques d'appui 16 ou 28 ayant une largeur approximative de 0,15 m. Un module de bras 20 a une longueur approximative de 3,5 m. Le module de verrouillage 10 a une longueur approximative de 6 mètres. L'épaisseur des plaques de métal est préférentiellement de 3 mm sauf pour le module de verrouillage où une épaisseur de 4 mm est préférée.The respective dimensions of the locking module 10 and the arm modules 20 are adapted so that the translation of the module of locking 10 on the arm 2 is done without obstacle. We can note on the Figures 6 and 7 that the arm module 20 has at its base and laterally ground support plates 28 having the same function as those, 16, of the locking 10. However, the shape of the support plates 16 of the module locking 10 allows their translation on those, 28, of the arm module 20. On also note that the central part of the top of the arm modules is open allowing access to internal elements and in particular to supports 30, retractable pivoting axes on casters 40 and allowing the passage of the removable caster 13 of the locking module 10. An arm module 20, a approximately the following dimensions: 0.8 m high, 0.6 m width at the base and 0.9 m including the two ground support plates 28, each of the support plates 16 or 28 having an approximate width of 0.15 m. An arm module 20 has an approximate length of 3.5 m. The module Lock 10 has an approximate length of 6 meters. The thickness of metal plates is preferably 3 mm except for the module locking where a thickness of 4 mm is preferred.

La figure 8 est une coupe transversale d'un module de bras 20 au niveau d'un support 30. Dans le dispositif au repos, en position fermée, le support est fiché dans le sol, inséré dans un fourreau 31. Le fourreau est fiché dans le sol. Le module de bras 20 a un gabarit extérieur de forme approximativement trapézoïdale équivalente à celle du module de verrouillage 10. Les parois latérales du module de bras 20 présentent cependant des cannelures 23 longitudinales destinées à améliorer la rigidité du dispositif. Dans cet exemple de réalisation, deux cannelures 23 par paroi latérale sont prévues. Des plaques d'appui au sol 28 sont disposées latéralement de chaque côté le long d'un module afin d'améliorer la stabilité et la capacité de retenue du module en cas de choc. Le module sera préférentiellement réalisé par la réunion de deux plaques métalliques pliées. Le support 30 passe dans une entretoise 32, ladite entretoise étant fixée aux deux parois latérales du module de bras 20. Dans ce mode particulier de réalisation, l'entretoise 32 est constituée de trois éléments boulonnés entre eux. Cependant, dans d'autres modes de réalisation, l'entretoise pourra être réalisée monobloc et/ou les éléments soudés entre eux. Le support 30 étant fiché dans le sol dans un fourreau 31, sa longueur sera préférentiellement telle qu'il sera compris dans le gabarit interne du module de bras 20. Dans d'autres modes de réalisation, certains de ces support pourront être plus long et éventuellement dépasser du gabarit du module standard. Cependant les supports 30 d'extrémité de bras 2 ne devront pas empêcher la translation en recouvrement du module de verrouillage sur l'extrémité dudit bras aussi bien lorsqu'ils sont fichés dans le sol dans leurs fourreaux ou lorsqu'ils sont extraits. Afin de maintenir en place le support 30 par rapport à l'entretoise 32, un rond de blocage 34 amovible est prévu soit au-dessus de l'entretoise afin d'empêcher que le support 30 ne descende trop profondément dans le fourreau 31, soit à travers l'entretoise 32 et le support 30 afin de bloquer tout mouvement relatif entre ces deux pièces. Deux orifices correspondants sont prévus dans le support et, éventuellement, en correspondance, dans l'entretoise, afin de pouvoir insérer ledit rond de blocage 34. De même, un moyen de blocage équivalent pourra être prévu entre le fourreau 31 et le support 30 afin de bloquer tout mouvement relatif entre les deux lorsque le support est fiché dans le sol. Ce dernier moyen de blocage est placé sous le niveau du sol afin que le fourreau ne dépasse pas et il sera préférentiellement masqué par capotage lorsque les supports sont retirés, le dispositif étant ouvert, pour ne pas entraver la circulation. Les ronds de blocage peuvent être enlevés individuellement mais il est aussi prévu qu'ils puissent être désengagés simultanément de tous les supports. Dans ce dernier cas, tous les ronds seront reliés à un câble ou à une tringlerie et un ou plusieurs ressorts de rappel ramenant les ronds en position d'engagement et de blocage seront prévus. Il suffira donc que l'opérateur tire sur le câble ou la tringlerie pour désengager les ronds. Un guide de rond solidaire de l'entretoise maintiendra le rond en position axiale lors de ces mouvements d'engagement et de désengagement. Des moyens de transmission seront prévus entre les câbles ou la tringlerie des différents modules assemblés entre eux.FIG. 8 is a cross section of an arm module 20 at the level of a support 30. In the device at rest, in the closed position, the support is stuck in the ground, inserted in a sheath 31. The sheath is stuck in the ground. The arm module 20 has an approximate external shape trapezoidal equivalent to that of the locking module 10. The walls side of the arm module 20, however, have grooves 23 longitudinal intended to improve the rigidity of the device. In this example As an embodiment, two grooves 23 per side wall are provided. Plates ground support 28 are arranged laterally on each side along a module to improve the stability and holding capacity of the module in case of choc. The module will preferably be carried out by the combination of two folded metal plates. The support 30 passes through a spacer 32, said spacer being fixed to the two side walls of the arm module 20. In this particular embodiment, the spacer 32 consists of three elements bolted together. However, in other embodiments, the spacer may be made in one piece and / or the elements welded together. The support 30 being stuck in the ground in a sheath 31, its length will be preferably as it will be included in the internal template of the module arm 20. In other embodiments, some of these supports may be longer and possibly exceed the template of the standard module. However, the arm end supports 2 2 must not prevent the translation in overlap of the locking module on the end of said arm as well when they are stuck in the ground in their sheaths or when are extracted. In order to hold in place the support 30 relative to the spacer 32, a removable locking ring 34 is provided either above the spacer in order to prevent the support 30 from going too deep into the sleeve 31, either through the spacer 32 and the support 30 in order to block all relative movement between these two parts. Two corresponding holes are provided in the support and possibly in correspondence in the spacer, in order to be able to insert said blocking ring 34. Likewise, a equivalent locking means could be provided between the sleeve 31 and the support 30 in order to block any relative movement between the two when the support is stuck in the ground. This last blocking means is placed under the ground level so that the scabbard does not protrude and it will preferably be masked by cowling when the supports are removed, the device being open, so as not to obstruct traffic. Locking rings can be removed individually but it is also expected that they can be disengaged simultaneously from all media. In the latter case, all circles will be connected to a cable or a linkage and one or more return springs bringing the rounds into the engagement and blocking position will be provided. he it will therefore suffice that the operator pulls on the cable or the linkage to disengage the round. A round guide secured to the spacer will keep the round in position axial during these engagement and disengagement movements. Of means of transmission will be provided between the cables or the linkage different modules assembled together.

Afin de permettre l'ouverture de la zone de communication, les supports 30 seront extraits de leurs fourreaux 31 afin de les dégager complètement du sol. Les supports 30 pourront être alors, soit complètement retirés du dispositif, soit laissés en place dans le dispositif en prévoyant comme précédemment un rond de blocage 34' disposé de telle façon que le support soit immobilisé dans une position où il n'est plus engagé dans le sol. Dans ce dernier cas, le support dépasse la partie supérieure du gabarit du module standard. Ceci est un inconvénient à l'extrémité du bras 2 où le module de verrouillage 10 doit être translaté en recouvrement. Aussi, dans cette zone, on préférera retirer complètement les supports 30 du dispositif. Il est cependant envisagé dans un autre mode de réalisation que l'entretoise comporte une articulation permettant de basculer vers l'horizontale le support sorti de son fourreau 31 afin que ledit support soit totalement compris dans le gabarit du module de bras 20 et n'entrave pas l'ouverture du module de verrouillage 10. L'extraction hors du fourreau 31 du support 30 est réalisée par tout moyen, manuellement, par un système d'engrenage ou de vérins mécaniques et/ou hydrauliques et/ou pneumatiques et/ou électriques.In order to allow the opening of the communication area, the supports 30 will be extracted from their sheaths 31 in order to completely free them from the ground. The supports 30 can then be either completely removed from the device, either left in place in the device by providing as before a blocking ring 34 'arranged so that the support is immobilized in a position where it is no longer engaged in the ground. In the latter case, the support exceeds the upper part of the standard module template. This is a disadvantage at the end of arm 2 where the locking module 10 must be translated into overlap. Also, in this area, we prefer to remove the supports 30 of the device completely. It is however envisaged in a another embodiment that the spacer has a hinge allowing to tilt the support out of its sheath 31 horizontally so that said support is fully included in the template of the arm module 20 and does not obstruct the opening of the locking module 10. Extraction from the sheath 31 of the support 30 is produced by any means, manually, by a gear system or mechanical and / or hydraulic cylinders and / or pneumatic and / or electric.

La figure 9 représente l'entretoise 32 de la figure 8 vue de dessus où les trois éléments sont solidarisés par boulonnage. Les orifices de boulonnage sont préférentiellement oblongs pour rattraper les jeux. Le support 30 est préférentiellement constitué d'un tube métallique de diamètre 101,6 mm et d'épaisseur 3,6 mm, le fourreau ayant alors un diamètre de 114,3 mm et une épaisseur de 3,6 mm. La partie fichée dans le sol ainsi que la longueur du fourreau est approximativement de 700 mm, mais cette valeur sera modulée en fonction du terrain. Le diamètre de passage du support dans l'entretoise est de 114,3 mm. Cependant, il est aussi envisagé d'utiliser d'autres formes de supports, par exemple en U ou carré ou rectangulaire. L'axe de pivot pour rotation formant l'articulation 33 ou 33' est essentiellement construit selon les principes décrits pour les supports. Cependant l'axe choisi sera un tube métallique qui permet la rotation de l'entretoise, ledit tube étant préférentiellement fixé à demeure dans le sol. Cependant dans d'autres modes de mise en oeuvre, l'axe de pivot pouvant être maintenu à sa partie supérieure par un bras de maintient d'articulation 38 ou 38' du module de raccordement 50 ou 50' comme expliqué ultérieurement, le tube pourra être disposé dans le sol dans un fourreau. Par ailleurs, il pourra être prévu plus d'une entretoise au niveau de l'articulation 33, 33' afin de la renforcer. Si deux entretoises sont utilisées pour l'articulation, la première sera disposée vers la partie supérieure du module de bras correspondant et la seconde vers la partie inférieure. FIG. 9 represents the spacer 32 of FIG. 8 seen from above where the three elements are secured by bolting. Bolt holes are preferably oblong to make up for the clearances. The support 30 is preferably consisting of a metal tube with a diameter of 101.6 mm and 3.6 mm thick, the sheath then having a diameter of 114.3 mm and a thickness of 3.6 mm. The part embedded in the ground as well as the length of the scabbard is approximately 700 mm, but this value will be modulated in depending on the terrain. The diameter of the support passing through the spacer is 114.3 mm. However, it is also envisaged to use other forms of supports, for example in U or square or rectangular. The pivot axis for rotation forming the joint 33 or 33 'is essentially constructed according to the principles described for the supports. However the chosen axis will be a tube metallic which allows the rotation of the spacer, said tube being preferably permanently fixed in the ground. However in other modes of implementation, the pivot axis being able to be maintained at its upper part by an articulation holding arm 38 or 38 'of the connection module 50 or 50 'as explained later, the tube can be placed in the ground in a scabbard. In addition, more than one spacer may be provided at the level of the joint 33, 33 ′ in order to strengthen it. If two spacers are used for the joint, the first will be arranged towards the upper part of the corresponding arm module and the second towards the lower part.

La Figure 10 représente une coupe transversale d'un module de bras 20 au niveau d'un pied pivotant escamotable à roulettes 40. Le pivotement du pied permet, lorsque les roulettes sont au sol, un roulement selon toutes les directions possibles. Le dispositif étant fermé, les pieds sont escamotés et ne reposent pas sur le sol, les modules reposant alors par l'intermédiaire des plaques d'appui 28 sur le sol. Pour l'ouverture du dispositif, les pieds sont actionnés par tout moyen permettant de les descendre sur le sol par un système d'engrenage ou de vérins à vis ou mécanique ou pneumatique ou hydraulique ou électrique, afin qu'ils reposent sur le sol et soulèvent le module et donc le bras. Le bras étant soulevé, l'opérateur peut aisément ouvrir le dispositif pour basculement de la circulation en poussant et faisant pivoter les bras 2, 2' autour de leurs articulations 33, 33'. Une fois la position désirée du bras atteinte, les pieds pivotants escamotables à roulettes sont rétractés afin que les modules reposent de nouveau sur le sol. Les supports 30 peuvent alors éventuellement être réimplantés dans le sol et les extrémité des bras peuvent éventuellement être fixées à des blocs de béton 4. De préférence, les mouvements de tous les pieds à roulettes 40 des modules 20 d'un bras seront synchrone par une transmission commune mécanique du type axe de transmission et engrenage, vérin, pneumatique, hydraulique, ou électrique. Il est aussi envisagé que le mouvement de retrait et/ou de mise en place des supports 30 et de descente et/ou de remontée des pieds à roulettes 40 soient synchrones. Un exemple d'un tel dispositif purement mécanique est donné à la figure 15 où une crémaillère incomplète n'engrène le pied à roulettes 40 que lorsque le support est suffisamment désengagé de son fourreau. Les autres modes de mobilisation utiliseront des organes effecteurs contrôlés par des contacteurs, valves ou autres équivalents, commandés en fonction du positionnement des supports 30 et des pieds à roulettes 40. Dans un module de bras 20 comportant à la fois au moins un support et au moins un pied à roulettes 40, les mouvements de ces deux éléments se font donc de façon synchrone, une transmission 36 comportant à ses deux extrémités un organe d'accouplement 37 à l'organe d'accouplement correspondant de la transmission du module adjacent ou à une manivelle ou tout autre dispositif permettant la mise en mouvement de la transmission. Il est cependant envisagé que la mise en mouvement puisse se faire à tout niveau de la transmission par un moyen de prise et/ou de renvoi. De même le synchronisme pourra être réalisé dans un bras 2, 2' réalisé par assemblage de tout type de différents module de bras 20.Figure 10 shows a cross section of an arm module 20 at the level of a retractable pivoting foot on castors 40. The pivoting of the foot allows, when the casters are on the ground, a rolling according to all possible directions. The device being closed, the feet are retracted and do not not rest on the ground, the modules then resting through the support plates 28 on the ground. To open the device, the feet are operated by any means enabling them to be lowered to the ground by a gear or screw jack system or mechanical or pneumatic or hydraulic or electric, so that they rest on the ground and lift the module and therefore the arm. With the arm raised, the operator can easily open the device for tilting the circulation by pushing and rotating the arms 2, 2 'around their joints 33, 33'. Once the desired position of the arm reached, the retractable swivel feet on casters are retracted so that the modules rest on the ground again. The supports 30 can then possibly be re-implanted in the ground and the ends of the arms can possibly be attached to concrete blocks 4. Preferably, the movements of all the roller feet 40 of the modules 20 of one arm will synchronous by a common mechanical transmission of the axis type of transmission and gear, cylinder, pneumatic, hydraulic, or electric. he it is also envisaged that the movement of withdrawal and / or establishment of supports 30 and descent and / or ascent of the roller feet 40 are synchronous. An example of such a purely mechanical device is given in Figure 15 where an incomplete rack only meshes the roller stand 40 when the support is sufficiently disengaged from its sheath. Others modes of mobilization will use effector organs controlled by contactors, valves or other equivalent, controlled according to the positioning of the supports 30 and of the roller feet 40. In a module of arms 20 comprising both at least one support and at least one foot castors 40, the movements of these two elements are therefore synchronous, a transmission 36 comprising at its two ends a member coupling 37 to the corresponding coupling member of the transmission of the adjacent module or to a crank or any other device allowing the setting in motion of the transmission. However, it is envisaged that the implementation in motion can be done at any level of transmission by any means outlet and / or return. Likewise synchronism can be achieved in a arm 2, 2 ′ produced by assembling any type of different arm module 20.

Plusieurs modes de réalisation sont envisagés pour solidariser entre eux deux modules de bras 20 adjacents au niveau de la zone d'assemblage 21. La figure 11 représente en coupe transversale la jonction entre deux modules de bras 20 selon un premier mode. Dans ce mode, l'extrémité d'un premier module 20 comporte intérieurement un cadre de liaison 35 métallique, ledit cadre étant soudé audit module et débordant de celui-ci. L'extrémité correspondante du second module 20 comporte des orifices de boulonnage 25 sur ses parois latérales. Ces orifices sont oblongs pour rattraper les jeux et la dilatation du métal. Ladite extrémité du second module est positionnée sur la partie débordante du cadre de liaison du premier module afin d'aligner les orifices de boulonnage de ces deux éléments. En plus de son rôle d'élément de liaison, le cadre de liaison 35 a un rôle de renfort interne rigidificateur et de solidarisation des parois latérales des modules de bras 20. Dans ce mode de réalisation, les parois latérales des modules sont dans la continuité l'une de l'autre. Il est aussi envisagé que le cadre de liaison comporte des moyens de passage d'un support, ledit cadre ayant alors toutes les fonctions d'une entretoise et d'un cadre de liaison simple.Several embodiments are envisaged to join together two arm modules 20 adjacent to the assembly area 21. The Figure 11 shows in cross section the junction between two modules of arm 20 according to a first mode. In this mode, the end of a first module 20 internally comprises a metallic connection frame 35, said frame being welded to and overflowing from said module. The end second module 20 has bolt holes 25 on its side walls. These holes are oblong to make up for the clearances and metal expansion. Said end of the second module is positioned on the protruding part of the connecting frame of the first module in order to align the bolt holes for these two elements. In addition to its role as an element of connection, the connection frame 35 has a role of internal stiffening reinforcement and of securing the side walls of the arm modules 20. In this mode of embodiment, the side walls of the modules are in continuity one of the other. It is also envisaged that the connection framework includes means for passage of a support, said frame then having all the functions of a spacer and a simple connecting frame.

Dans d'autres modes de réalisation de la liaison, il est envisagé que la liaison entre deux modules de bras se fasse par recouvrement des parois latérales selon deux possibilités. Dans la première, par chevauchement partiel des extrémités des modules, les parois d'extrémité d'un des modules sont décalées soit en retrait soit en débordement par rapport au plan général des parois. Des extrémités de deux types sont alors définies, dans le plan général et hors du plan général, et peuvent s'accoupler. Dans la seconde possibilité, des plaques rapportées chevauchantes seront boulonnées sur les parois des deux extrémités de deux modules adjacents à la manière d'éclisses externes ou bilatérales.In other embodiments of the link, it is envisaged that the connection between two arm modules is by overlapping the walls lateral according to two possibilities. In the first, by partial overlap of the ends of the modules, the end walls of one of the modules are offset either backwards or overflows from the general plane of the walls. Ends of two types are then defined, in the general plan and out of the general plan, and can mate. In the second possibility, overlapping inserts will be bolted to the walls of the two ends of two adjacent modules like external splints or bilateral.

La Figure 13 représente la zone de raccordement entre un séparateur permanent du type glissière de sécurité 3' et un bras 2 du dispositif. Un module de raccordement 50' est disposé entre l'extrémité de la glissière 3' et l'extrémité du bras 2' comportant l'articulation 33'. Le module de raccordement 50' présente une extrémité biseautée s'insérant entre les deux profilés métalliques de la glissière 3, ainsi que visible figure 13c. Dans ce mode particulier de réalisation, un bras de maintient d'articulation 38' est fixé sur la partie supérieure de l'extrémité du module de raccordement 50' coté bras 2'. Le bras de maintient 38' permet de fixer la partie supérieure, dépassant du module de bras 20, de l'axe pivot formant articulation 33'. Dans d'autres modes de réalisation, et en particulier lorsque l'axe pivot formant articulation est ancré dans le sol, le bras de maintient 38' pourra être omis. Le module de raccordement 50' sera préférentiellement fixé sur l'extrémité de la glissière 3' et comportera préférentiellement des renforts internes et un ou plusieurs supports fichés dans le sol qui seront préférentiellement ancrés dans le sol. La longueur approximative de ce module de raccordement est de 3,50 mètres. Les parois latérales du module de bras 20 comportant l'articulation 33' seront préférentiellement recouvertes vers l'articulation de façon à ce que les cannelures 23 soient masquées, le profil latéral étant alors similaire à celui du module de raccordement 50', figures 13a et 13b.Figure 13 shows the connection area between a separator permanent type of safety barrier 3 'and an arm 2 of the device. A module connection 50 'is arranged between the end of the slide 3' and the end of the arm 2 ′ comprising the articulation 33 ′. The 50 'connection module has a beveled end fitting between the two metal profiles of the slide 3, as can be seen in FIG. 13c. In this particular mode of embodiment, an articulation holding arm 38 ′ is fixed to the part upper end of the connection module 50 'arm side 2'. The arm support 38 'allows to fix the upper part, protruding from the module arm 20, of the pivot axis forming a hinge 33 ′. In other modes of embodiment, and in particular when the pivot axis forming a joint is anchored in the ground, the holding arm 38 ′ can be omitted. The module connection 50 'will preferably be fixed on the end of the slide 3' and preferably include internal reinforcements and one or more supports files in the ground which will preferably be anchored in the ground. The length approximate of this connection module is 3.50 meters. The walls side of the arm module 20 comprising the articulation 33 ′ will preferably covered towards the joint so that the splines 23 are hidden, the lateral profile then being similar to that of the connection module 50 ', Figures 13a and 13b.

La Figure 14 représente une vue supérieure de la zone de raccordement entre un séparateur permanent du type mur de béton 3 et l'extrémité articulée d'un bras 2. Le module de raccordement 50 comporte un bras de maintient d'articulation 38. Le bras 38 est fixé à la partie supérieure de l'axe pivot formant articulation 33. La longueur approximative minimale de ce module de raccordement est de 1,50 mètres afin de passer du profil du séparateur permanent béton au profil des modules de bras. Le module 50 sera préférentiellement fixé par boulonnage sur l'extrémité du séparateur permanent 3.Figure 14 shows a top view of the connection area between a permanent separator of the concrete wall type 3 and the articulated end an arm 2. The connection module 50 comprises a holding arm 38. The arm 38 is fixed to the upper part of the pivot axis forming joint 33. The approximate minimum length of this module connection is 1.50 meters in order to pass from the profile of the separator permanent concrete to the profile of the arm modules. Module 50 will preferably fixed by bolting on the end of the permanent separator 3.

Sur les figures 6, 7, 8, 9 la coupe passe par des renforts 26 et 26' métalliques ou des entretoises 32 internes aux modules de bras. Ces éléments sont destinés à solidariser les parois latérales et renforcer la structure des modules de bras 20. Les nombres respectifs de renforts internes 26, 26', d'entretoises 32, à l'intérieur des modules de bras 20 ou de raccordement 50, 50' seront fonction de la capacité de retenue voulue pour le dispositif. Pour un module de bras de 3,5 mètres de long comportant un cadre de liaison de module 35, on prévoit de préférence un support et un renfort interne. Si une capacité de retenue supérieure est recherchée, au minimum deux supports et deux renforts seront prévus. Cependant toutes les combinaisons possibles de nombres de ces éléments sont envisagés, le but étant d'obtenir une capacité de retenue suffisante pour le meilleur coût. Les modules 10, 20, 50, 50' sont préférentiellement symétriques par rapport à un plan médian vertical longitudinal.In Figures 6, 7, 8, 9 the section passes through reinforcements 26 and 26 ' metal or spacers 32 internal to the arm modules. These elements are intended to secure the side walls and strengthen the structure of arm modules 20. The respective numbers of internal reinforcements 26, 26 ', spacers 32, inside the arm modules 20 or connection modules 50, 50 'will depend on the desired holding capacity for the device. For a 3.5 meter long arm module including a connecting frame module 35, provision is preferably made for a support and an internal reinforcement. If one higher holding capacity is sought, at least two supports and two reinforcements will be provided. However all possible combinations of numbers of these elements are envisaged, the aim being to obtain a capacity enough restraint for the best cost. The modules 10, 20, 50, 50 'are preferably symmetrical with respect to a vertical median plane longitudinal.

Des essais effectués avec un dispositif à deux bras pour une longueur totale de 32 mètres, ont montré que l'ouverture pour basculement de la circulation pouvait être réalisée par un seul opérateur sans matériel particulier lourd, en particulier de levage, en moins de 15 minutes. L'opérateur peut pousser chaque bras sur une route présentant un dévers de l'ordre de 4%, aucune charge supérieure à 40 kg n'étant à porter malgré un poids de bras supérieur à 1500 Kg. Lors de ces opérations, l'opérateur est sous la protection du dispositif.Tests carried out with a device with two arms for a length total of 32 meters, showed that the opening for tilting the circulation could be carried out by a single operator without special equipment heavy, especially lifting, in less than 15 minutes. The operator can push each arm on a road with a slope of around 4%, no load greater than 40 kg being carried despite an arm weight over 1500 Kg. During these operations, the operator is under protection of the device.

Les signes de référence insérés après les caractéristiques mentionnées dans les revendications, ont pour seul but de faciliter la compréhension de ces dernières et n'en limitent aucunement la portée. D'autre part les exemples de mise en oeuvre ne sont donnés qu'a titre indicatif et illustratif et toutes les combinaisons possibles de ces exemples ainsi que des variantes font partie de la description. En particulier, un dispositif ne comportant qu'un seul bras est envisagé. Il comporte un premier module de raccordement sur le séparateur permanent d'amont, un bras articulé, un module de verrouillage selon la description précédente et un second module de raccordement qui peut recevoir l'extrémité du module de verrouillage et y être claveté. Ledit second module de raccordement se raccordant au séparateur permanent d'aval. Par ailleurs il est envisagé que le fonctionnement du dispositif soit partiellement ou totalement télécommandé, des organes effecteurs électriques, pneumatiques, hydrauliques et des capteurs assurant et contrôlant les mouvements des différents éléments mobiles. Il est aussi envisagé que les modules de bras 20 soient partiellement ou totalement standardisés et qu'ils puissent être utilisés indifféremment le long d'un bras. Dans ce cas, on préférera le mode de réalisation présenté à la figure 6, les butées 29 et 29' seront amovibles pour être seulement placées en fonction des besoins et le mode de liaison entre les modules 20 sera choisi en conséquence, soit que le module 20 ne comporte pas de cadre de liaison soit qu'un système à recouvrement soit choisi. La transmission de la commande des mouvements des supports 30 et des pieds pivotants escamotables à roulettes 40 pourra, comme indiqué, être commune et synchrone ou non. De même pour les ronds de blocage 34. Par ailleurs cette ou ces transmissions pourront se faire d'une manière commune le long du bras pour tous ces organes mobiles. Par exemple un axe de transmission longitudinal pourra se terminer à chaque extrémité d'un module par un dispositif de couplage permettant, lorsque les modules de bras sont réunis, l'accouplement et la transmission de la commande d'un bout à l'autre du bras et vers le bras suivant. Enfin, il est prévu qu'un moyen permettant de limiter le débattement du bras lors de sa rotation, moyen de retenue, soit inclus dans le dispositif. Ce moyen pouvant être un frein agissant sur les roulettes d'un ou plusieurs axes pivotants escamotables 40, un câble relié au bras et ancré au sol sur le terre plein central, une butée ancrée au sol à proximité de l'articulation selon deux positions ou une simple cale posée au sol à l'emplacement souhaité pour le bras en position d'ouverture pour basculement de la circulation.The reference signs inserted after the mentioned characteristics in the claims, have the sole purpose of facilitating the understanding of these and do not limit its scope. On the other hand the examples of implementation are given for information and illustration only and all possible combinations of these examples as well as variants are part of the description. In particular, a device comprising only one arm is considered. It includes a first connection module on the separator permanent upstream, an articulated arm, a locking module according to the previous description and a second connection module which can receive the end of the locking module and be locked there. Said second module of connection connecting to the permanent downstream separator. Besides, it is envisaged that the operation of the device is partially or totally remote-controlled, electrical, pneumatic effectors, hydraulic and sensors ensuring and controlling the movements of different moving parts. It is also envisaged that the arm modules 20 are partially or fully standardized and can be used indifferently along an arm. In this case, we will prefer the embodiment shown in Figure 6, the stops 29 and 29 'will be removable for only be placed according to the needs and the mode of connection between the modules 20 will be chosen accordingly, or that module 20 does not have no connecting frame or that an overlapping system is chosen. The transmission of the control of the movements of the supports 30 and of the feet retractable swivel castors 40 may, as indicated, be common and synchronous or not. Likewise for the locking rounds 34. Furthermore, this or these transmissions can be done in a common way along the arm for all these moving parts. For example a transmission axis longitudinal can be terminated at each end of a module by a device coupling allowing, when the arm modules are assembled, coupling and transmission of the command from one end to the other of the arm and to the next arm. Finally, it is intended that a means of limiting the arm travel during its rotation, means of restraint, either included in the device. This means can be a brake acting on the rollers of one or several retractable pivot axes 40, a cable connected to the arm and anchored to the ground on the central reservation, a stop anchored to the ground near the articulation according to two positions or a simple block placed on the ground at the desired location for the arm in the open position for tilting Traffic.

Claims (13)

Dispositif d'interruption de terre-plein central à séparateur permanent pour zone de communication entre voies de circulation présentant une position de fermeture assurant la continuité de la séparation des voies de circulation et des positions d'ouverture par rotation pour basculement de la circulation où les voies de circulation sont mises en communication, le dispositif étant constitué de modules métalliques trapézoïdaux assemblés et ayant des parois latérales fermées, lesdits modules métalliques comportant des supports (30) rétractables engagés dans des fourreaux (31) fiché dans le sol, lesdits supports étant disposé dans des entretoises (32), lesdites entretoises (32) étant solidaires des parois latérales, le dispositif comportant au moins un bras (2, 2') ayant deux extrémités opposées et constitué d'au moins un module de bras (20) ledit bras (2, 2') à sa première extrémité étant mobile en rotation autour d'un axe vertical formant articulation (33, 33') et ledit bras comportant au moins un pied pivotant escamotable à roulettes (40) destiné à soulever et à permettre la rotation dudit bras autour de l'articulation afin d'assurer l'ouverture pour basculement de la circulation,
caractérisé en ce qu'il comporte en outre un module de verrouillage (10) à profil trapézoïdal mobile en translation sur la seconde extrémité du bras (2) afin d'assurer une ouverture d'urgence, chaque paroi latérale (18) du module de verrouillage comportant le long de sa face interne au moins deux profilés en U (11) pour rigidification, chacun desdits profilés comportant au moins deux roulettes de guidage latérales (12) réparties le long desdits profilés et en ce qu'une roulette amovible (13) est disposée à une extrémité dudit module de verrouillage (10).Interruption device of central reservation with permanent separator for communication area between traffic lanes having a closed position ensuring the continuity of the separation of traffic lanes and rotationally open positions for switching traffic where the traffic lanes are placed in communication, the device consisting of trapezoidal metal modules assembled and having closed side walls, said metal modules comprising retractable supports (30) engaged in sheaths (31) stuck in the ground, said supports being arranged in spacers (32), said spacers (32) being integral with the side walls, the device comprising at least one arm (2, 2 ') having two opposite ends and consisting of at least one arm module (20) said arm (2, 2 ') at its first end being movable in rotation about a vertical axis forming a joint (33, 3 3 ′) and said arm comprising at least one retractable pivoting foot on casters (40) intended to lift and allow the rotation of said arm around the articulation in order to ensure the opening for tilting of the circulation,
characterized in that it further comprises a locking module (10) with a trapezoidal profile movable in translation on the second end of the arm (2) in order to ensure emergency opening, each side wall (18) of the module locking comprising along its internal face at least two U-shaped profiles (11) for stiffening, each of said profiles comprising at least two lateral guide rollers (12) distributed along said profiles and in that a removable caster (13) is arranged at one end of said locking module (10). Dispositif selon la revendication 1, caractérisé en ce que des plaques d'appuis au sol (16, 28) sont disposées latéralement à la base desdits modules (10, 20), afin de renforcer les capacités de retenue desdits modules.Device according to claim 1, characterized in that floor support plates (16, 28) are arranged laterally at the base of said modules (10, 20), in order to strengthen the capacities of retention of said modules. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le module de bras (20) est rigidifié par au moins deux cannelures (23) disposées le long de chaque paroi latérale (22) et par au moins un renfort interne (26, 26').Device according to claim 1 or 2, characterized in that that the arm module (20) is stiffened by at least two grooves (23) arranged along each side wall (22) and by at least one internal reinforcement (26, 26 '). Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le module de verrouillage (10) comporte à sa partie supérieure au moins deux paires de roulettes de guidage supérieures (14) réparties le long dudit module (10).Device according to one of claims 1 to 3, characterized in that the locking module (10) has in its part upper at least two pairs of guide rollers upper (14) distributed along said module (10). Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que chaque module de bras (20) destiné à recevoir en recouvrement par translation le module de verrouillage (10) comporte à sa face supérieure au moins une paire de roulettes (27).Device according to one of claims 1 to 3, characterized in that each arm module (20) intended to receive in translational overlap the locking module (10) has on its upper face at least one pair of rollers (27). Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'entretoise (32) comporte une articulation afin que le support (30) amovible, une fois rétractée hors du sol, puisse être basculé vers l'horizontale afin de rester à l'intérieur du gabarit défini par un module de bras (20).Device according to any one of the claims previous characterized in that the spacer (32) has a articulation so that the removable support (30), once retracted above ground, can be tilted horizontally to stay at inside the template defined by an arm module (20). Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'axe formant articulation (33) est un support fiché dans le sol constitué d'un tube métallique rond et en ce que le tube est disposé dans au moins une entretoise comportant un passage circulaire adapté, ladite entretoise étant solidaire des parois latérales (22) d'un module de bras (2, 2').Device according to any one of the claims previous characterized in that the hinge pin (33) is a support stuck in the ground consisting of a round metal tube and in that the tube is placed in at least one spacer having a suitable circular passage, said spacer being integral with the side walls (22) of an arm module (2, 2 '). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans un bras (2, 2'), l'assemblage entre un premier module de bras et un second module de bras est assuré par boulonnage ou clavetage de l'extrémité correspondante du deuxième module sur un cadre de liaison (35) solidaire et débordant du premier module.Device according to any one of the claims above, characterized in that, in an arm (2, 2 '), the assembly between a first arm module and a second module arm is secured by bolting or keying the end correspondent of the second module on a connecting frame (35) integral and overflowing with the first module. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte deux modules de raccordement (50, 50') destinés à assurer la continuité de la séparation avec les deux séparateurs permanents adjacents (3,3') et en ce que le module de raccordement (50, 50') disposé entre l'extrémité du bras (2, 2') comportant l'articulation (33, 33') et le séparateur permanent (3, 3') présente deux parois latérales fermées et en ce qu'il comporte à sa partie supérieure un bras de maintien d'articulation (38, 38').Device according to any one of the claims previous, characterized in that it comprises two modules of connection (50, 50 ') intended to ensure continuity of the separation with the two adjacent permanent dividers (3.3 ') and in that the connection module (50, 50 ') disposed between the end of the arm (2, 2 ') comprising the articulation (33, 33') and the permanent separator (3, 3 ') has two side walls closed and in that it has at its upper part an arm of joint support (38, 38 '). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le module de bras (20) mesure approximativement 0,8 m de hauteur, 0,6 m de largeur à la base, la base se poursuivant latéralement par deux plaques d'appuis au sol (28) de 0,15 m de largeur chacune, 0,27 m de largeur au sommet pour une longueur de 3,5 m.Device according to any one of the claims previous, characterized in that the arm module (20) measures approximately 0.8 m high, 0.6 m wide at the base, the base continuing laterally by two ground support plates (28) 0.15 m wide each, 0.27 m wide at the top for a length of 3.5 m. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les mouvements de montée et de descente du pied pivotant escamotable comportant des roulettes (40) sont commandés par un moyen du type vérin à vis.Device according to any one of the claims previous, characterized in that the upward movements and lowering of the retractable swivel base with castors (40) are controlled by means of the screw jack type. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans un bras (2, 2'), les mouvements de montée et de descente du pied pivotant escamotable comportant des roulettes (40) et les mouvements de montée et de descente du support (30) sont commandés par un moyen unique et synchronisés.Device according to any one of the claims above, characterized in that, in an arm (2, 2 '), the swivel foot up and down movements retractable comprising rollers (40) and the movements of raising and lowering of the support (30) are controlled by a unique and synchronized means. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que sa longueur est d'au moins 32 m et qu'il comporte deux bras (2, 2'), chacun des bras comportant au moins quatre modules de bras (20).Device according to any one of the claims previous, characterized in that its length is at least 32 m and that it comprises two arms (2, 2 '), each of the arms comprising at least four arm modules (20).
EP00401731A 1999-06-18 2000-06-16 Passage for road median barrier Expired - Lifetime EP1061178B1 (en)

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FR9907781A FR2795106B1 (en) 1999-06-18 1999-06-18 CENTRAL FULL TERRUP INTERRUPTION DEVICE
FR9907781 1999-06-18

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AT (1) ATE278842T1 (en)
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EP1489233A1 (en) * 2003-06-20 2004-12-22 Balisage Sécurité Service- B.S.S. Lateral transposition device for temporary lane dividers
FR2856415A1 (en) * 2003-06-20 2004-12-24 Balisage Securite Service B S DEVICE FOR THE TRANSPOSITION OF SEPARATING ELEMENTS FOR ROADWAYS
WO2017118475A1 (en) * 2016-01-05 2017-07-13 Wenger, Projekte Und Coaching Movable crash barrier section
WO2017118620A1 (en) * 2016-01-05 2017-07-13 Wenger, Projekte Und Coaching Movable crash barrier section
US10697140B2 (en) 2016-01-05 2020-06-30 Wenger, Projekte Und Coaching Movable crash barrier section
CN111335169A (en) * 2020-03-10 2020-06-26 中铁城建集团第三工程有限公司 Movable type bridge anti-collision retaining wall template system

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ATE278842T1 (en) 2004-10-15
US6402421B1 (en) 2002-06-11
FR2795106B1 (en) 2001-09-07
CA2312411A1 (en) 2000-12-18
DE60014502T2 (en) 2006-02-09
ES2228426T3 (en) 2005-04-16
CA2312411C (en) 2007-08-21
FR2795106A1 (en) 2000-12-22
PT1061178E (en) 2005-02-28
DE60014502D1 (en) 2004-11-11
EP1061178B1 (en) 2004-10-06
DK1061178T3 (en) 2005-02-07

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