DE60121104T2 - Roadway protection provided with at least one protective screen - Google Patents

Abstract

The safety barrier, comprising at least one horizontal rail (3) fastened to vertical supports (1) via spacers (2), and a lower screen (10) to prevent two-wheeled vehicles sliding under it in the event of an accident, has the screen fitted below the rail on brackets (14) made from a material and with dimensions that allow them to bend under the force of a substantial impact, with the screen pivoting relative to the rail. The brackets are in the form of separate components attached to the rail and screen by fixings (18, 19).

Description

The The present invention relates to security barriers that are located along lanes of vehicles and at least have a spar parallel to the ground and vertical supports.

These Barriers have the disadvantage that they occupy a lower space persist the spar, which has a height sufficient that one in accidents and on the ground sliding motorcyclists seriously injured themselves can, either that this between the soil and the lower part of the beam is pinched, or because this flung against vertical supports which are located behind the spar, namely supports that numerous, rigid and blunt, i. are extremely dangerous.

In order to the barriers not only for the occupants of cars, trucks and buses have a protective effect, for .... As well the users of motorcycles with or without sidecar, and generally speaking for all persons who happen to be on the lanes are thrown, it has already been thought to close the lower space by means of a flat shield, the is formed of plates attached to each other.

The known solutions to date however, were not complete satisfactory, in particular for reasons of rigidity affecting the proposed shields are intrinsic and the difficulties at the attachment that entail this.

• – Das Patent FR 2 556 755 , das ein Zwischenstück beschreibt, das sich zwischen dem Holm und jeder Vertikalstütze befindet, das als solches unter der Bezeichnung "Abstandhalter" bekannt ist und das sich von den üblichen Stücken dadurch unterscheidet, dass dieses "Montageeinrichtungen, die die Befestigung zusätzlicher Elemente gestattet", besitzt, die soweit es die vorliegenden Ausführungen betrifft, eine Vertikalabschirmung sein können, die sich unter dem Holm befindet.

To set the state of the art, the following documents can be cited:

• - The patent FR 2 556 755 which describes an intermediate piece located between the spar and each vertical support, known as such under the name "spacer" and which differs from the usual pieces in that this "mounting means which allows the attachment of additional elements", has, as far as the present embodiments, a vertical shield can be, which is located under the spar.

• – Das Patent FR 2 751 998 , das eine Vorrichtung beschreibt, die insbesondere dazu bestimmt ist "einen Motorradfahrer nach einem Sturz zu anzuhalten" und die durch den Zusammenbau von Stücken zu einem Kasten bzw. einem Caisson gebildet wird, bevor die Vertikalstützen einer Sicherheitsbarriere umgeben werden, wobei eine Vereinigung dieser durch horizontale Metallstangen vorliegt.

This solution is to be ruled out since the mounting means are essentially holes prior to receiving the screws, as set out in claim 2 of this patent, and these holes greatly change the mechanical properties of the spacer and since a re-thinking of the entire barrier must be made for them despite the weakening of the spacers may have their function.

• - The patent FR 2 751 998 patent, which describes a device intended in particular to "stop a motorcyclist after a fall" and which is formed by the assembly of pieces into a box or caisson before the vertical supports of a safety barrier are surrounded, a combination of which horizontal metal bars is present.

• – die eigentlichen Kästen sind hohl und aus einem Synthetikmaterial von der Art, dass diese eine eigene Elastizität aufweisen, deren Hauptnachteil darin besteht, dass diese die verunglückte Person und/oder das verunglückte Motorrad auf den Fahrstreifen zurückdrückt, wenn diese Person und/oder dieses Motorrad gegen diese geschleudert wird, wobei immer danach gestrebt wird, diese Wirkung der elastischen Rückkehr aus evidenten Sicherheitsgründen zu vermeiden,
• – die horizontalen Metallstangen drücken gegen die Vertikalstützen und diese Baugruppe ist sehr starr, d.h. sehr aggressiv für ein gegen diese geschleudertes Objekt, sei es ein Motorrad oder ein menschlicher Körper.

These boxes have a very high price not only due to their manufacturing cost but also due to the mounting difficulty, since the boxes must be assembled in situ, the horizontal metal bars must be engaged, as a proper alignment must be achieved and ensures the locking of the assembly must become. If everything is in place, the result obtained is practically unusable due to the mechanical properties of this device, which on the contrary has two complementary disadvantages instead of shock absorption and protection of an accident victim:

• - The actual boxes are hollow and made of a synthetic material such that they have their own elasticity, the main disadvantage is that this pushes back the victim and / or the accident motorcycle on the lane, if this person and / or this motorcycle is thrown against them, always striving to avoid this effect of elastic return for obvious safety reasons,
• - The horizontal metal bars press against the vertical supports and this assembly is very rigid, ie very aggressive for a project against this flung object, be it a motorcycle or a human body.

• – Das Patent DE 299 03 787 , das eine Sicherheitsbarriere beschreibt, deren Holm spezifisch in Form eines Kastens 3 umgesetzt ist, unter dem eine Abschirmung 5 ohne biegsamen Arm direkt befestigt ist, und die Kraftbeine 30 aufweist, die die Abschirmung 5 und die Vertikalstützen 16 aussteifen.

Consequently, an object thrown against this device bounces back to the lane when the impact is not too great, and this is squashed against the group of rod-props when the impact is violent. It is added that the boxes made of synthetic material can be damaged and therefore can have cracks whose edges can injure a body.

• - The patent DE 299 03 787 which describes a safety barrier whose spar specifically in the form of a box 3 is implemented, under which a shield 5 without flexible arm is directly attached, and the power legs 30 that has the shielding 5 and the vertical supports 16 stiffen.

The absence of arms, which are as much resistant to bending elements as the shield is suspended from and the presence of power legs 30 radically resist the rotation of the shield 5 to the top, though this takes a significant impact. The spar is a specific model that does not exist anywhere in reality and that does not correspond to normalized structures.

• – Das Patent FR 2546932 , das eine Sicherheitsbarriere beschreibt, die eine Abschirmung 25 besitzt, die an ihren oberen Teil und ihrem unteren Teil befestigt ist, was jegliches Drehen der Abschirmung untersagt, wenn diese eine deutlichen Stoß erhält.

Consequently, and in contrast to the invention, the shield 5 not be installed on existing security barriers.

• - The patent FR 2546932 that describes a safety barrier that is a shield 25 which is attached to its upper part and its lower part, which prohibits any rotation of the shield when it receives a significant impact.

In addition, the feet are 26 through which the shield 25 on the vertical supports 12 - 13 are attached (according to the execution of 5 and 6 ) no functional elements that participate in the shock absorption, but simple fastening devices.

• – Das Patent NL-C-1008542, das eine Sicherheitsbarriere beschreibt, die dazu bestimmt ist, entlang von Fahrstreifen von Fahrzeugen angeordnet zu sein, und die einen Horizontalholm, der an Vertikalstützen befestigt ist und ferner eine untere Schutzabschirmung aufweist, die mit der Barriere nur aufgrund der Aufhängung verbunden ist und am Holm befestigt ist, wobei die untere Abschirmung so gestaltet ist, dass diese sich unter der Wirkung eines mittleren Stoßes elastisch verformt, den die Abschirmung bei einem Verkehrsunfall aufnimmt. Diese Abschirmung weist ferner Einrichtungen auf, die im Fall eines deutlichen Stoßes nicht elastisch und mit Widerstand verformbar sind.

In case of a significant impact on the shield 25 it does not rotate, as none of these two horizontal edges, the upper and the lower, are free and thus they can only deform under force, without a change in their position, which is determined by their immobilization in the upper and lower part.

• Patent NL-C-1008542, which describes a safety barrier intended to be arranged along lanes of vehicles and which has a horizontal spar attached to vertical supports and further comprising a lower protective shield which is connected to the barrier only due to the suspension and is attached to the spar, wherein the lower shield is designed so that it elastically deforms under the action of a central shock, which receives the shield in a traffic accident. This shield also includes means which are non-elastic and deformable in the event of a significant impact.

The The present invention completely deviates from known solutions and allows the implementation of protective shields that are easy to mount and are of the same effects of recording Energy benefits without elasticity, like the spars of corresponding ones Barriers.

To For this purpose, the invention has a safety barrier to the task, which is intended to be arranged along lanes of vehicles to be, and which has at least one horizontal spar, the vertical supports is attached, and further at least one lower shield, which is referred to as a "protective shield" and which has two edges, one upper and one lower, and the intended for a runaway of an injured two-wheeled vehicle, that glides flat on the lane and / or its on the lane Earth fallen users under the spar to counter resistance, characterized in that the lower protective shield with the Barrier alone in the suspended State is connected by arms that extend over the upper edge of the lower Shield extend and at the individual spar or on the the spars, the closest is attached to the ground, with the lower shield without any attachment down to the arms, for an observer who is himself located on the lane, in a middle, essentially vertical plane, which is clearly located to this side of the vertical columns, extends freely, with the arms made of a material and with dimensions are executed in such a way that these functional elements form the barrier that is so dimensioned are that under the effect of a distinct shock, the this shield in a traffic accident picks up, not elastic bend and cause rotation of the lower shield with resistance.

The The invention also has a safety barrier to the problem, which is determined, arranged along lanes of vehicles to be, and which has at least one horizontal spar, the vertical supports is attached, and further at least one lower shield, which is called a "protective shield", which has two edges, one upper and one lower, and which intended for a runaway of an injured two-wheeled vehicle, that glides flat on the lane and / or its on the lane Earth fallen users under the spar to counter resistance, when the lower protective shield with the barrier only in the suspended state is connected by arms that extend over the upper edge of the lower Umbrella and the barrier at the same facility or the same device are attached as those through which the single spar or the one of the spars closest to the Ground is at the vertical supports is fastened, wherein the lower shield for a Observer, who is on the lane, without any Attachment to the arms in a middle, essentially vertical plane, which is clearly located to this side of the vertical columns, extends freely, with the arms made of a material and with dimensions executed in such a way These are the functional elements that make up the barrier that is so dimensioned are that under the effect of a distinct shock, the does not take this shield in a traffic accident bend elastically and rotate the lower shield with resistance cause.

The invention also has a safety barrier to the object intended to be arranged along lanes of vehicles having at least one horizontal spar fastened to vertical supports, and further comprising at least one lower shield referred to as a "protective shield" having two edges, one upper and lower and which is intended to resist passage of an accidental two-wheeled vehicle sliding flat on the lane and / or its fallen-to-earth user under the stile, at which the lower protective shield with the barrier is connected by arms only in the suspended state and is connected to the individual spar or that of the spars closest to the ground by its upper edge, wherein the lower shield without any other attachment for an observer who is on the lane located, in a central, substantially vertical plane, this clearly ts from the vertical supports, the upper edge forming an upper continuous extension penetrated by mounting holes on the spar which are distributed over the entire length of the shield at a certain distance from the free edge of the extension, the extension are made of a material and with dimensions such that these functional elements form the barrier, which are dimensioned so that they do not bend elastically under the effect of a significant impact which this shield absorbs in a traffic accident and a rotation of the lower shield with Cause resistance.

• – unterscheiden sich die Arme von der untere Abschirmung und sind diese an der untere Abschirmung befestigt,
• – sind die Arme so gestaltet, dass diese jeweils einen oberen Befestigungsfuß, der bestimmt ist, an dem Holm befestigt zu sein, einen unteren Befestigungsfuß, der bestimmt ist, an der unteren Schutzabschirmung befestigt zu sein, und einen medianen Teil aufweist, der die zwei Befestigungsfüße vereinigt und der sich direkt oder nach Biegung(en) und/oder Rundbiegung(en) für einen Beobachter, der sich auf dem Fahrstreifen befindet, über den untersten Teil des Holms hinaus erstreckt,
• – ist der obere Befestigungsfuß an dem Holm durch die gleiche Einrichtung oder die gleichen Einrichtungen befestigt, wie die, durch die der Holm an den Vertikalstützen befestigt ist,
• – weist die Barriere ein Zwischenelement, das als "Abstandshalter" bezeichnet wird, auf, das zwischen jede vertikale Stütze und den Holm eingefügt ist, wobei der obere Befestigungsfuß zwischen den Holm und dem Abstandshalter angeordnet ist und die Befestigungseinrichtungen den Holm und jeden Abstandshalter vereinigen, indem die Löcher des Fußes überquert werden, wobei letztgenannter durch diese Einrichtungen zwischen den Holm und jeden Abstandshalter kräftig gedrückt ist,
• – ist der Holm durch Segmente gebildet, die miteinander in Reihe befestigt sind und von denen jeder durch ein Metallprofil mit zwei Wellen, die überlagert sind und durch zwei geneigte divergierende Flügel, einen oberen und einen unteren, verlängert sind, deren Kanten frei sind und entgegengesetzt zum Fahrstreifen ausgerichtet sind, wobei der Holm an den Vertikalstützen durch seinen medianen Teil, der sich zwischen den zwei Welle befindet, befestigt ist, und wobei die Barriere dadurch gekennzeichnet, dass der obere Befestigungsfuß an dem unteren Teil des Holms angebracht wird und an dem unteren Teil befestigt wird,
• – ist der mediane Teil von jedem Arm rundgebogen, um dem unteren Profil des unteren Flügels des Holms zu folgen,
• – ist der obere Befestigungsfuß an dem oberen Teil der unteren Welle angebracht und an diesem oberen Teil befestigt,
• – ist der mediane Teil von jedem Arm rundgebogen, um den oberen Profil der untere Welle des Holms zu folgen,
• – weist die untere Schutzabschirmung eine im Wesentlichen vertikale, ebene Fläche und zumindest einen Rand, der entgegengesetzt zum Fahrstreifen gebogen ist, auf,
• – ist der Rand schräg zum Boden gebogen und befindet sich dieser in der Nähe, sogar in Berührung mit den Vertikalstützen,
• – weist die untere Schutzabschirmung eine im Wesentlichen vertikale Fläche auf, die für einen Beobachter, der sich auf dem Fahrstreifen befindet, einen Wechsel von zumindest zwei Wellen, jeweils konvex und konkav, bildet,
• – hat die untere Abschirmung einen unteren konvexen Teil, der in einer freien Kante endet, die entgegengesetzt zum Fahrstreifen ausgerichtet ist,
• – sind die Arme nur gedacht und bilden diese eine obere Verlängerung der unteren Abschirmung,
• – ist die Verlängerung angepasst, sich an die Kontur eines Teils des Holms, an dem diese befestigt ist, anzuschließen,
• – weist die Barriere einen Holm aus Holz auf, der durch eine hintere Nut geschlitzt ist, in der sich ein Metallprofil befindet, an dem die Stützarme der unteren Abschirmung (10) unabhängig von der Befestigung des Holms an den Vertikalstützen befestigt sind,
• – weist die Barriere außer der unteren Abschirmung eine obere Abschirmung auf, die horizontal angeordnet ist und die sich für einen Beobachter, der sich auf dem Fahrstreifen befindet, von dem oberen Teil des Holms, an dem diese durch Arme befestigt ist, bis über die Senkrechte zu den Vertikalstützen hinaus, erstreckt
• – unterscheiden sich die Arme von der oberen horizontalen Abschirmung und sind die Arme an dieser befestigt,
• – sind die Arme so gestaltet, dass diese jeweils einen Befestigungsfuß, der als "vorderer" bezeichnet wird, der dazu bestimmt ist an dem oberen Teil des Holms angebracht zu sein, einen Befestigungsfuß, der als "hinterer" bezeichnet wird und dazu bestimmt ist, an einer oberen horizontalen Abschirmung befestigt zu werden, und einen medianen Teil aufweist, der die zwei Befestigungsfüße vereinigt und der sich direkt oder nach Biegung(en) und/oder Rundbiegung(en) auf eine Höhe erstreckt, die höher als die des höchsten Teils des Holms und als der höchste Punkt der vertikalen Stützen ist,
• – ist der Holm durch Segmente gebildet, die miteinander in einer Linie befestigt sind und jeweils durch ein Metallprofil mit zwei überlagerte Wellen gebildet sind, die durch geneigte divergierende Flügel verlängert sind, einen obere und einen unteren, deren Ränder frei sind und entgegengesetzt zum Fahrstreifen ausgerichtet sind, und ist die Barriere dadurch gekennzeichnet, dass der vordere Befestigungsfuß an dem oberen Teil des oberen Flügels abgebracht und an dem oberen Teil befestigt ist,
• – ist der mediane Teil von jedem Arm rundgebogen, um dem hohen Profil des oberen Flügels des Holms zu folgen,
• – ist der vordere Befestigungsfuß an dem oberen Teil der oberen Welle angebracht und an diesem oberen Teil befestigt,
• – ist der mediane Teil von jedem Arm rundgebogen, um den hohen Profil der oberen Welle des Holms zu folgen,
• – weist die obere Schutzabschirmung eine im Wesentlichen horizontale, ebene Fläche und zumindest einen zum Boden gebogenen Rand auf.

According to further features of this safety barrier:

• The arms differ from the lower shield and are attached to the lower shield,
• The arms are designed to each have an upper mounting leg intended to be fastened to the beam, a lower mounting foot intended to be fixed to the lower protective shield and a median part comprising the two Mounting feet and that extends beyond the lowermost part of the beam, directly or after bending (s) and / or round bending (s) for an observer located on the lane,
• The upper attachment foot is attached to the spar by the same means or means as those by which the spar is attached to the vertical supports,
• The barrier comprises an intermediate element referred to as a "spacer" interposed between each vertical support and the strut, the upper attachment leg being disposed between the strut and the spacer and the attachment means uniting the strut and each spacer, by crossing the holes of the foot, the latter being strongly pressed by these means between the spar and each spacer,
• - The spar is formed by segments which are fastened together in series and each of which is extended by a metal profile with two shafts superimposed and extended by two inclined divergent wings, an upper and a lower, the edges of which are free and opposite are aligned to the lane, wherein the spar is attached to the vertical supports by its median part which is located between the two shaft, and wherein the barrier is characterized in that the upper mounting foot is attached to the lower part of the spar and to the lower Part is attached,
• The median part of each arm is rounded to follow the lower profile of the lower wing of the spar,
• The upper attachment foot is attached to the upper part of the lower shaft and fixed to this upper part,
• The median part of each arm is rounded to follow the upper profile of the lower shaft of the spar,
• The lower protective shield has a substantially vertical, flat surface and at least one edge which is bent in the opposite direction to the lane,
• - the edge is bent at an angle to the ground and is close to it, even in contact with the vertical supports,
• The lower protective shield has a substantially vertical surface which, for an observer located on the lane, forms a change of at least two waves, respectively convex and concave,
• The lower shield has a lower convex part which terminates in a free edge which is opposite to the lane,
• - The arms are only thought and make this an upper extension of the lower shield,
• The extension is adapted to connect to the contour of a part of the beam to which it is attached,
• The barrier comprises a wooden spar slotted by a rear groove in which there is a metal profile to which the lower shield support arms ( 10 ) are attached to the vertical supports, regardless of the attachment of the spar,
• The barrier has, in addition to the lower shield, an upper shield which is arranged horizontally and which, for an observer located on the lane, extends from the upper part of the beam to which it is attached by arms, to above the vertical to the Verti kalstützen addition, extends
• The arms are different from the upper horizontal shield and the arms are attached to it,
• The arms are designed so that they each have a fixing foot, referred to as "front", which is intended to be attached to the upper part of the stile, a fixing foot, which is called "rear" and intended to to be attached to an upper horizontal shield, and having a median part which joins the two fixing feet and which extends directly or after bending (s) and / or round bends to a height higher than that of the highest part of the Holms and as the highest point of the vertical supports,
• - The spar is formed by segments which are fastened together in a line and are each formed by a metal profile with two superposed waves, which are extended by inclined diverging wings, an upper and a lower, the edges of which are free and opposite to the lane aligned and the barrier is characterized in that the front mounting foot is mounted on the upper part of the upper wing and attached to the upper part,
• The median part of each arm is rounded to follow the high profile of the upper wing of the spar,
• The front attachment foot is attached to the upper part of the upper shaft and fixed to this upper part,
• The median part of each arm is rounded to follow the high profile of the upper shaft of the spar,
• - The upper protective shield on a substantially horizontal, flat surface and at least one edge bent to the ground.

The Invention will become apparent from the following detailed description with reference to the accompanying drawings clearly. Of course they are Description and the drawing only by way of example indicating and not restrictive interpreted.

The 1 Figure 11 is a schematic partial view of a safety barrier according to the invention, the lower shield of which is suspended on arms fixed to the lower part of the lower shaft of the beam.

2 is a schematic sectional view of the safety barrier 1 ,

3 Figure 11 is a schematic sectional view of a safety barrier according to the invention, the lower shield of which is suspended on arms fixed to the upper part of the lower shaft of the beam.

4 Fig. 12 is a schematic perspective view of a suspension arm of the lower barrier of the barrier 3 ,

5 Figure 3 is a schematic sectional view of a safety barrier according to the invention, the lower shield of which is suspended on arms which are also secured to the upper part of the lower shaft of the shield, but which have a special profile.

6 Fig. 12 is a schematic perspective view of a suspension arm of the lower barrier of the barrier 5 ,

The 7 . 8th and 9 Figure 3 are schematic sectional views of a safety barrier according to the invention, the lower shield of which is suspended on arms fixed to the median part of the spar, corresponding to three different variants of the profile of these arms.

The 10 Fig. 3 is a schematic sectional view of the safety barrier according to the invention of the type having three cross-section bars arranged one above the other.

The 11 and 12 Fig. 2 are schematic sectional views of a barrier according to the invention of the type having a wooden beam fastened to vertical supports also made of wood, the lower shield being suspended on arms which are apparently formed by an upper extension of the screen.

The 13 Fig. 3 is a schematic partial section in the perspective of a safety barrier according to the invention of the type having a wooden beam fixed to vertical supports also made of wood, the lower shield being suspended on arms which extend through the rear part of the beam these are attached.

The 14 . 15 and 16 Fig. 2 are schematic sectional views of a barrier according to the invention having an upper shield secured to arms fixed to the spar at three different locations, ie at the upper part of the upper shaft, at the median part of the spar and at the lower part the upper shaft.

In the 1 and 2 a safety barrier according to the invention is shown which, with this example, is based on a standard base, ie vertical supports 1 , which are fixed to the ground, spacers 2 at the top of the columns 1 are attached, and a spar 3 is implemented, the are formed by segments of metal profile which are fastened to each other with a slight covering of the downstream ends by the upstream (in the direction of travel of the vehicles), as "fish scales", as is known, wherein the spar two longitudinal waves arranged one above the other 4 and 5 which has a flattening relationship 6 are symmetrical and through respective wings 7 and 8th are extended, the free edges opposite to the lane A of the vehicles, located in 1 located in front, are directed.

According to the invention, the safety barrier has a lower protective shield 10 on that in 1 prior to mounting in front of the barrier while in place 2 is shown in their place, with these on the spar 3 through arms 11 is suspended and this the space that is between the lower end of the spar 3 and the floor is completely covered.

In the example of 1 and 2 the barrier has an arm 11 up, perpendicular to each vertical support 1 runs, and each of these arms 11 is formed by a metal band, in particular of galvanized steel, such as the spar, and is bent to an upper foot 12 , a lower foot 13 and a median part 14 , here two V-branches 15 and 16 has to form. The upper foot 12 is through a slot 17 notched, intended to be in view of one or more holes (not visible in the drawing) placed in the spar for this purpose 3 are introduced, the attachment of the arm 11 through his foot 12 by means of a screw or several screws 18 that takes the holes of the spar 3 and the slot 17 traverse behind every screw 18 by a mother 19 is blocked.

The under foot 13 is through a vertical opening 20 crossed, which is destined to look at an opening 21 which also runs vertically and into the shield 10 is to be located.

The shield 10 is formed by a sheet metal bent near its two longitudinal edges, around a middle plane part and two edges with 45 °, an upper one 22 and a lower one 23 , to build. The upper edge 22 is exactly on the branch 16 of the median part 14 installed in the position in 2 is shown and which corresponds to the assumption where the lower edge 23 the shield 10 must occupy its maximum lower position to be near the ground, with a small space left out.

When the spar 3 would be located near the ground, it would be necessary that the shield would be movable up again, which is due to an interaction of the two openings 20 and 21 receives, because these can take different relative positions in the height, without therefore the attachment of a screw 18 and her locking mother 19 is prevented.

As a reminder, it is stated that the spar 3 on spacers 2 by screws 18 is fastened, on the one hand, with those in the flattening 6 recessed holes (not visible in the drawing) and, on the other hand, with the front surface of each spacer 2 engage, these screws 18 also by standard nuts 19 are blocked.

A safety barrier according to the invention can be implemented from all parts by the assembly of new components, in which case the holes of the spar, which are used to attach the arms 11 are intended to be implemented in the workshop. Thereafter, the procedure is as usual. Provision of vertical supports 1 and the spacer 2 and then the attachment of the spar 3 ( 1 ).

Then the arms will 11 placed and this at the spar 3 attached, then the shield 10 intended ( 1 ) and this against the lower feet 13 the poor 11 attached, as it is excited by the dotted arrows. The screws 18 be with the connected openings 20 and 21 engaged and it becomes the height location of the shield 10 adjusted before the screws 18 through nuts 19 , as explained above, be blocked.

Thus, a safety barrier is provided which is provided with a lower safety shield as shown in FIG 2 is shown.

But a safety barrier according to the invention can also be implemented starting from an already existing base, which is already mounted in situ: vertical supports 1 , Spacers 2 and spar 3 ,

For this it is sufficient to have fixing holes for the arms 11 contribute. After insertion and attachment of the arms 11 , the situation of 1 and it will be implemented by fixing the segments of the shield to the arms 11 completed after adjusting its height. It is observed that here the upper mounting foot 12 against the lower part of the spar, the shaft 4 and / or the wing 7 is brought.

The median part 14 of the arm 11 in V-shape allows at least partial deformation by Rotation of the shield 10 according to the arrow F1, as it is in 2 is shown schematically. Because the arm 11 Made as a metal band, the deformation is the median part 14 when subjected to a substantially horizontal impact, definitely, ie that there is no elastic return and that the deformation resistance is established by suitably the thickness of the arm 11 forming metal band is calculated, taking into account the selected metal.

But above all, the perfect freedom of shielding 10 at its lower part (the edge 23 above the ground) and the attachment of the arm 11 at the spar 3 , and in particular in the lower part of this, allow that of the appropriate deformability of the spar 3 Benefit is drawn in the way that the shielding 10 , the arm 11 and the spar 3 together form a deformable structure whose properties result from the more or less complex combination of the abilities peculiar to each of the components.

1 can be seen that the shield 10 through additional opening in addition to the opening 21 is crossed. An opening 24 is aligned and located below the opening 21 and two more openings 25 and 26 are one above the other and are each aligned horizontally with the opening 21 and the opening 24 ,

These openings are intended to receive screws for attaching a shielding segment to an identical other segment (not shown), the end of one covering the end of the other like scales, like the segments supporting the spar 3 form. Meanwhile, good results could be found in experiments if the shielding segments were not fastened to each other but, on the contrary, a narrow gap was left between them, which allowed the shielding segments to deform individually according to their point of impact, whereby the deformation would be less kinetic Energy is received, whereby the victim is given a less traumatizing reaction. Further, since the adjacent shield segments have not been deformed, the restoration of the barrier is easier and cheaper.

In 3 is shown that the plate 12 of the arm 11 at the shield 10 is still hung on the lower part of the spar 3 is attached, below the flattening 6 but up on the wave 4 and not below.

In 4 is the single arm 11 shown, whose lower foot 13 is vertical and in the extension of the median part 14 which in turn is flat and vertical, lies.

This embodiment is well adapted to barriers whose wings 7 and 8th extend a little backwards from the barrier as the arm 11 can go directly down to below the lowest level of the wing 7 ,

With this embodiment, the shield has 10 no upper edge 22 and their adjustment of height is by simple vertical displacement on the tentatively fortified arms 11 performed.

5 FIG. 12 illustrates a variant of the previous embodiment, which is adapted to the case where it is desired that the shield 10 also the upper edge 22 has, in particular for reasons of rigidity, since, as is known, a longitudinal bending in a sheet with respect to the creation of an edge is a means of stiffening, as a result of a transverse bending is prevented.

Thus, it is necessary, the height of the shield 10 to be able to adjust better with respect to the soil, and must be the edge 22 can be in height.

The arm 11 ( 6 ) thus has a median part 14 whose profile indicates the correct positioning of the upper foot 12 under the upper part of the lower shaft 4 and the lower foot 13 behind the shield 10 below the height of the edge 22 is adjusted.

The upper foot 12 is identical to that of the arm 11 from 4 and is with a sloping plane 27 firmly connected, whose inclination is that of the spacer 2 which it avoids (to which it is not attached), with the inclined plane 27 to a vertical part 28 followed, in turn, to an oblique return 29 connects with the lower foot 13 is firmly connected.

The attachment of the shield 10 at the bottom of the foot 13 is always by screwing openings 20 and 24 made and it was shown here that you can not just screw a single group 18 - Mother 19 could provide, but two superimposed ( 5 ).

5 it can be seen that the shield 10 is in the upper position while these are in 4 is in the lower position, according to the above given guidance for the adjustment of the height of the shield 10 ,

Referring now to the 7 and 8th become two ways of implementation shown analogous to those of 3 and 5 are what the profile of the arm 11 concerns, and which have as a property, the attachment of the arms 11 at the spar 3 provided by the same system and in the same place as the attachment of the spar 3 at the spacers 2 ie that the upper mounting foot 12 between the front surface of the spacer 2 and the back surface of the flattening 6 of the spar 3 brought is.

Except for the simplification of fixing by the same screws 18 - nuts 19 in the standard holes of the spacer 2 and the spar 3 brought, this arrangement has the advantage that the area of attachment of the arm 11 is increased and thus that they have a greater height of the type that their radius of rotation under the action of a horizontal impact on the lower part of the shield 10 is longer.

7 It can be seen that the rotation corresponding to arrow F2 as an axis, the horizontal line of the front surface of the spacer 2 against which the arm 11 bends, has. In 8th the axis of rotation is the bending line which is the inclined plane 27 and the vertical part 28 combines.

9 represents a variant of the embodiment of 8th in which the lower mounting foot 13 with an oblique extension 30 is provided, whose length and inclination are determined backwards in the way that the free edge of this extension with the vertical support 1 in contact, which is arranged perpendicular thereto.

If on the shield 10 a push is applied, this back and leaves this the arm 11 rotate as it is in 8th is shown, corresponding to arrow F4, but further deforms the extension 30 down and rub against the vertical support 1 in that it behaves like a deforming element, the rotation of the shield 10 slows down and increases their resistance.

It the parameters in question are selected: type and thickness of the metal, Length of the radius of rotation (equivalent to to a lever arm), profile of the arms, etc., depending on the sought Flexibility, recalling that this flexibility is not confused with elasticity which is a serious error in the present case By the nature is that here the flexibility for the safety shield the more or less big one ability for deformation in the direction of the received shock without return in the opposite direction is to best absorb the kinetic energy from this shock.

In 10 a safety barrier of one type is shown; which is different from that of the previous examples.

This safety barrier has three spars one above the other 40 . 41 . 42 on, directly on the vertical supports 1 are fixed, without the interposition of spacers, and whose profile has no waves, because this is closed on itself.

The lower safety shield 10 is on arms 11 with a profile similar to that of the arm of 7 , hung, though the median part 14 that attaches to the upper mounting foot 12 and the lower mounting foot 13 is closed with a simple inclined segment, the benefits of which is not the avoidance of a free edge of a wing, since there is no wave or wing here, but the transmission of the vertical plane of the shield 10 in the direction of the lane A so that it (for an observer, who is on the lane A) on this side of the front surface of the lower beam 42 and from a stop 43 , which is part of the structure of the barrier, is located.

The upper foot 12 is at the spar 42 fastened by the same fastening device as the one that holds the spar 42 on a vertical support 1 attached, which is analogous to the above with respect to the 7 and 8th Is described.

For fixing the shield 10 are only groups screws 18 - nuts 19 for the lower foot 13 necessary, with the other fastener in any case for the attachment of the spar 42 on the vertical supports 1 necessary.

The application of the invention for this type of barrier is thus particularly simple, since all elements can be prepared in the workshop and mounted in place on a barrier that is already in place. The only possible fit is to replace the existing bolts that support the spar 42 on vertical supports 1 Attach, by slightly longer screws, to the insertion of the upper foot 12 to allow, and this depending on the thickness of this.

In the 11 and 12 is a safety barrier of the known type shown, a wooden spar 50 having, on vertical supports 51 is attached, which are also made of wood.

There are variants of these barriers: some have a wooden spar and metallic vertical supports, exposed or with wooden cladding, others have wooden spars reinforced with metal profiles interposed between the wooden beam part of the spar and the vertical supports, etc. This is intended to show the adaptation of the invention to a spar which is partially or entirely made of wood.

The solution made of wood were made of aesthetic establish selected so that not the natural look a landscape is changed by a barrier made of metal is made, the wood remains almost unnoticed or in In any case fits very well into a landscape.

These Worry leads to make the security barrier as inconspicuous as possible, and it will endeavor to the security barrier (the one for Lane of vehicles is determined) of a conventional Barrier resemble to leave, which is generally appropriate to the wandering to avoid animals.

The safety shield thus has to be "overlooked" and avoids the use of more or less visible metal elements, especially the arms 11 that are meant here, ie not from the actual shielding 10 differ.

This is thus designed to be an upper continuous extension 10a which is penetrated by holes (not visible in the drawing) that extend over the entire length of the shield 10 are distributed, with a certain distance from the free edge of the extension 10a and in each of which a fastening device is engaged, such as a sleeper screw 52 in the wood of the spar 50 is turned.

The extension 10a has a waveform corresponding to an arc with the same radius as the spar 1 , according to a more or less extended bow against the spar 50 to be attached.

In 11 is the extension 10a under the spar 50 attached and in an area that extends in front of the vertical axis x of the spar 50 is located, with the shield 10 Thus, before it is always clear before the vertical supports 51 is arranged, as has also been explained several times before.

In this situation is the extension 10a relatively small, as it is applied only on a sheet of small size.

In 12 will be the extension 10a under the spar 50 and mounted in an area located behind the vertical axis x of the spar 50 located, and there the shield 10 always clearly in front of the vertical supports 51 is to be hung, here is the extension 10a extended, as this is to be applied to a sheet which is at least equal to that of the circumference of the spar 50 from the free edge of the extension 10a covered, perpendicular to the vertical axis x. The shield 10 could be even as described and illustrated for the above embodiments.

Meanwhile, since the spar 50 is formed by wood pieces are joined together at the ends, its lowest part higher than the lowest part of a metal profile with two shafts of the type that the lever arm, equal to the length of the axis of rotation of the shield 10 is at a shock is very large and this is the shield 10 could make it too flexible.

That's why in these 11 and 12 a shield 10 shown having a profile in waveform with respect to its stiffening.

In 11 has the shield 10 for an observer located on the lane A of vehicles, two longitudinal depressions 10b and 10c and two longitudinal convexities 10d and 10e on.

The lower convexity 10e represents a lower extension 10f of the same or similar radius of curvature to form a wing capable of having one or more vertical supports 51 to create the same effects as those with respect to 9 described in terms of extension 30 , but these are not repeated here.

In 12 has the shield 10 for an observer, who is on the lane A for vehicles, a single longitudinal recess 10g between two longitudinal convexities 10h and 10i on.

The lower convexity 10i represents a lower extension 10j of the same or similar radius of curvature to form a wing capable of having one or more vertical supports 51 to create the same effects as those with respect to 9 described in terms of extension 30 , but these are not repeated here.

13 shows a special embodiment of the invention, in which the barrier is a spar 50 made of wood and vertical supports 51 also made of wood, but the spar 50 a longitudinal groove 53 has, in which the metal profile 54 located with C-shaped cross section.

The core 55 of the profile 54 is located at the bottom of the groove and the branches 56 have the same depth as the groove 53 so that the returns 54 the outer contour of the spar 50 bring out and these due to their opposite position a longitudinal slot 58 create, narrower than the groove 53 is.

The shield 10 is at the spar 50 through arms 11 hung up, which has an upper mounting foot 12 and a lower mounting foot 13 have, both are vertical and offset and by a middle part 14 which is slightly slanted, connected.

The foot 12 is with a slot 17 for a screw or a bolt 18 slotted, the / by a special mother 59 (for a type known in the art) is compressed with an elongated shape, the horizontal insertion of this in the slot 58 allowed and against branches 56 of the profile 54 blocked when it is placed in the vertical position.

Because of this blocking is the mother 59 immobilized and can the screw 18 be screwed from the outside to the foot 12 of the arm 11 anywhere on the profile 54 and thus of the spar 3 to fix.

The latter is on vertical supports 51 fixed by any means, regardless of the attachment of the arms 11 before supporting the shield 10 ,

As already described, the shield is 10 at the foot 13 of the arm 11 through a screw 18 and a mother 19 attached.

Referring now to the 14 to 16 For example, an embodiment of the invention may be taken in accordance with three different variants, which is to provide a safety barrier with an upper safety shield independent of the lower safety shield 10 with regard to the 1 to 13 was to be provided.

experiments have shown that in a car accident passengers sometimes thrown up and fall back onto the security barrier. This is especially the case for users of motorcycles, drivers or passenger, although this also applies to users of touring cars or busses that sometimes get thrown out of the vehicle become. The existing security barriers are all designed to that these are the consequences of side impacts and not vertical impacts of lower downwards.

The vertical supports with or without spacers are especially aggressive for one human body, who falls to this with force, there the supports a vertical inertia and have a vertical stiffness that are very significant and making them completely unfit for this, the kinetic energy of a falling body on this to absorb, and, if the material damage, this in a vehicle can cause are considered negligible, this is not in the same way for the Attack on persons obviously, since the vertical supports the Total kinetic energy transferred to the human body, the in most cases does not resist and the result being very bad fractures, like the pelvis, the fracture of the spine, especially the cervical vertebra, Stomach breakthroughs etc. are.

Of the Holm itself can be dangerous be when the human body thrown from top to bottom or from behind to top This is because the free edge of the upper wing acts and cuts it were cases from substantially more complete Beheading observed.

The upper shield 60 according to the invention extends horizontally from front to back and their free end 61 , which is furthest away from the lane A, is located beyond the perpendicular of the vertical supports 1 in the manner of a canopy.

The shield 60 is at the spar 3 through arms 62 attached, similar to the arms 11 are, and thus a mounting foot 63 for attaching these to the spar 3 , a mounting foot 64 , for attaching these to the screen 60 and a middle part 65 which may have different profiles according to the particular shapes of the elements forming the safety barrier. It is observed that the shielding 60 is held only by one of its longitudinal sides so that it is allowed, from top to bottom by turning accordingly the same principle as that above for the shield 10 has been described, to back down.

In 14 is the arm 63 under the upper part of the spar 3 attached and is his foot 63 adjusted so that it fits well against the upper wing 8th of the spar 3 is attached, and, in certain cases, can be provided that the foot 63 partly against the wing 8th and partly against the upper shaft 5 is attached.

The upper shield 60 is flat and has a clamping edge 66 which has turned over to the ground, thus any risk due to the cutting nature of the free edge 61 is avoided.

15 is a variant to be seen in which the arm 11 the lower shield 10 and the arm 62 the upper shield 60 in one piece are formed and a common mounting foot 12 - 63 exhibit that between the flattening 6 of the spar 3 and the front surface of the spacer 2 is placed, causing the lower arm 11 and the upper arm 62 be implemented in a single bending operation and wherein the only arm that results from this, by means of a single fastening device of the spar 3 on the front surface of the spacer 2 is attached.

In 16 is the lower shield 10 through the foot 12 of the arm 11 at the upper part of the lower shaft 4 attached and is the upper shield 60 through the foot 63 of the arm 62 at the lower part of the upper shaft 5 attached.

In this assembly is of interest that the fortifications of the two arms 11 and 62 regarding the flattening 6 and the fasteners of the spar 3 at the spacer 2 are symmetrical.

The fastening devices are preferably the groups screws 18 - nuts 19 and that the heads of the screws are not aggressive in the case of impact, are the screws 18 preferably of the round-head type, and these are engaged with holes funnel-shaped, as is known. These precautions are especially for attaching the upper shield 60 on the arms 62 recommended.

The invention allows the adaptation of a lower protective shield 10 and / or an upper protective shield 60 to all safety barrier types, since in a simple way the profile of the arms can be adapted to the different possible spars.

The spar 3 from 16 has a profile somewhat different from that of the spars of the previous figures, yet the upper and lower raised machined parts have been termed "shaft", although both have flat frontal sections, as this does not alter the application of the invention is known and it can be seen that the lower wing 7 and the upper wing 8th are relatively short. To prevent the free edge of the upper wing 8th is exposed and thus represents a potential danger, the median part 65 the poor 62 be given a profile, so the median part 65 to the free edge of the wing 8th is bent, and then bent back to close the space that is beyond this free edge, which in no way the bending ability of the arms 62 reduced.

Claims (27)

A safety barrier intended to be arranged along lanes for vehicles and having at least one horizontal spar attached to vertical supports and further comprising a lower shield, referred to as a "protective shield", having two edges, an upper one and a lower one, intended to resist a passage of an accidental two-wheeled vehicle gliding flat on the lane or its fallen-to-earth user under the beam, characterized in that the lower protective shield ( 10 ) is connected to the barrier solely by the fact that it is blocked by arms ( 11 ) suspended above the upper edge of the lower shield ( 10 ) and at the individual spar ( 3 ) or on the ( 42 ) of the spars ( 40 . 41 . 42 ), which is closest to the ground, are attached, wherein the lower shield ( 10 ) without any further attachment than by the arms ( 11 ) for an observer, located on the lane (A), in a substantially vertical median plane which is clearly located to the side of the vertical supports ( 1 extends freely, with the arms ( 11 ) are made of a material and of dimensions such that these functional elements constitute the barrier, which are dimensioned to be deformed under the effect of a considerable impact which the shielding ( 10 ) in a traffic accident, do not bend elastically and a rotation of the lower shield ( 10 ) with a resistance effect. Safety barrier intended to be arranged along lanes for vehicles and having at least one horizontal beam ( 3 ) mounted on vertical supports ( 1 ), and further comprising a shield ( 10 ), which is referred to as a "protective screen", having two edges, one upper and one lower, intended to prevent an accidental two-wheeled vehicle gliding flat on the lane or its fallen user on the ground to resist the spar, characterized in that the lower protective shield ( 10 ) is connected to the barrier solely by the fact that it is blocked by arms ( 11 ) suspended above the upper edge of the lower shield ( 10 ) and which are attached to the barrier by the same device or devices by which the 3 ) or the one of the spars, which is closest to the ground, to the vertical supports ( 1 ) is attached, wherein the lower shield ( 10 ) without any further attachment than by the arms ( 11 ) for an observer, located on the lane (A), in a substantially vertical median plane which is clearly located to the side of the vertical supports ( 1 extends freely, with the arms ( 11 ) are made of a material and of dimensions such that these functional elements form the barrier, which are dimensioned so that they are under the effect of a considerable shock, the shield ( 10 ) in a traffic accident, do not bend elastically and a rotation of the lower shield ( 10 ) with a resistance effect. Safety barrier according to claim 2, characterized in that this at least one horizontal spar ( 3 ), which on the vertical supports ( 1 ) by means of spacers ( 2 ), the lower protective shield ( 10 ) is connected to the barrier solely by the fact that it is blocked by arms ( 11 ) suspended above the upper edge of the lower shield ( 10 ) and at the individual spar ( 3 ) or on which the spars, which is closest to the ground, by the same system and in the same place as the attachment of the spar to the spacers ( 2 ) are attached. Safety barrier according to claim 1, 2 or 3, characterized in that the arms ( 11 ) from the lower shield ( 10 ) and are attached to this. Safety barrier according to claim 1, 2 or 3, characterized in that the arms are designed so that they each have an upper mounting foot ( 12 ), which is intended on the spar ( 3 ), a lower mounting foot ( 13 ), which is intended to be attached to the lower protective shield ( 10 ) and a median part ( 14 ) having the two mounting feet ( 12 . 13 ) which, for an observer on the lane (A), extends directly from or after bending and / or round bending over the lowest part of the lane ( 3 - 42 ). Safety barrier according to claim 5, when dependent on claim 2 or 3, characterized in that the upper mounting foot ( 12 ) by the same institutions ( 18 - 10 ), like those through which the spar ( 3 ) on the vertical supports ( 1 ) is attached to the spar ( 3 ) is attached. Safety barrier according to claim 5, when dependent on claim 3, characterized in that the upper attachment foot ( 12 ) between the spar ( 3 ) and the spacer ( 2 ), wherein the fastening devices ( 18 - 19 ) the spar ( 3 ) and each spacer ( 2 ) unite by removing holes of the foot ( 12 ), the latter between the spar ( 3 ) and each spacer ( 2 ) through these facilities ( 18 - 19 ) is pressed forcefully. A safety barrier according to claim 5, when dependent on claim 1, the spar of which ( 3 ) is formed by segments which are fastened together in a row and each by a metal profile with two superposed waves ( 4 and 5 ) formed by inclined, diverging wings, an upper ( 8th ) and a lower ( 7 ), whose edges are directed freely and opposite to the lane (A), wherein the spar ( 3 ) on the vertical supports ( 1 ) through its middle part ( 6 ), which is located between the two shafts ( 4 . 5 ), characterized in that the upper mounting foot ( 12 ) at the lower part of the spar ( 3 ) is attached and attached to this lower part. Safety barrier according to claim 8, characterized in that the median part ( 14 ) of each arm ( 11 ) is bent around to the low profile of the lower wing ( 7 ) of the spar ( 3 ) to follow. Safety barrier according to claim 8, characterized in that the upper mounting foot ( 12 ) at the upper part of the lower shaft ( 4 ) is attached and attached to this upper part. Safety barrier according to claim 8, characterized in that the median part ( 14 ) of each arm is bent around to the high profile of the lower shaft ( 4 ) of the spar ( 3 ) to follow. Safety barrier according to claim 1, 2 or 3, characterized in that the lower protective screen ( 10 ) an area that is substantially vertically planar and at least one edge ( 22 . 23 ), which is opposite to the lane (A) is bent. Safety barrier according to claim 12, characterized in that the edge ( 23 ) is bent at an angle to the ground and is in the vicinity of, even in contact with, vertical supports ( 1 ) is located. Safety barrier according to claim 1, characterized in that the lower protective shield ( 10 ) has a substantially vertical surface, which, for an observer located on the lane (A), a change of at least two waves which are convex ( 10d . 10e ; 10h . 10i ) or concave ( 10b . 10c ; 10g ). Safety barrier according to claim 13, characterized in that the lower shield ( 10 ) has a lower convex part terminating in a free edge which is opposite to the lane (A). A safety barrier intended to be arranged along lanes for vehicles and having at least one horizontal spar attached to vertical supports, and further comprising a lower shield serving as a protective shield mung, which has two edges, an upper and a lower, and which is intended to resist a passage of an accidental two-wheeled vehicle gliding flat on the lane or its fallen-to-earth user under the beam , characterized in that the lower protective shield ( 10 ) is connected to the barrier solely by the fact that it is connected to the 3 . 50 ) or on the ( 42 ) of the spars ( 40 . 41 . 42 ), which is closest to the ground with its upper edge, is hung and fixed thereto, the lower shield, without any further attachment to an observer located on the lane (A), in a substantially vertical median plane clearly on this side of the vertical supports ( 1 ), wherein the upper edge has a continuous upper extension ( 10a ) at a certain distance from the free edge of the extension ( 10a ) is penetrated by holes for attachment to the spar, which are distributed over the entire length of the shield, wherein the extension ( 10a ) is made of a material and corresponding dimensions, so that these functional elements form the barrier, which are dimensioned such that, under the effect of a considerable impact, the shielding ( 10 ) in a traffic accident, do not bend elastically and a rotation of the lower shield ( 10 ) with a resistance effect. Safety barrier according to claim 16, characterized in that the extension ( 10a ) so that they conform to the contour of a part of the spar ( 50 ), to which it is attached, connects. Safety barrier according to claim 1, characterized in that it comprises a spar ( 50 ) made of wood, which by a rear groove ( 53 ), in which a metal profile ( 54 ), on the support arms ( 11 ) of the lower shield ( 10 ) regardless of the attachment of the spar ( 50 ) on the vertical supports ( 51 ) are attached. Safety barrier according to claim 1, characterized in that it has, in addition to the lower shield ( 10 ) an upper shield ( 60 ), which is arranged horizontally and which, for an observer, who is on the lane (A), from the upper part of the spar ( 3 ), where these are indicated by arms ( 62 ) above the vertical to the vertical supports ( 1 ) extends. Safety barrier according to claim 19, characterized in that the arms ( 62 ) from the upper horizontal shield ( 60 ) and are attached to this. Safety barrier according to claim 20, characterized in that the arms ( 62 ) are designed so that they each have a designated as "front" mounting foot ( 63 ), which is intended to be at the upper part of the spar ( 3 ), a fastening foot (referred to as "rear") ( 64 ), which is intended to be fixed to the horizontal, upper shield ( 60 ) and a median part ( 65 ) having the two mounting feet ( 63 . 64 ) and which extends directly or after bending and / or round bending to a height higher than that of the at most part of the beam ( 3 ) and as the highest point of the vertical supports ( 1 ). A safety barrier according to claim 21, the spar of which is formed by segments secured together in series and each formed by a metal profile with two superimposed corrugations elongated by inclined diverging wings, upper and lower, with their edges free are aligned and opposite to the lane, characterized in that the front mounting foot ( 63 ) at the upper part of the upper wing ( 8th ) and attached to this upper part. Safety barrier according to claim 20, characterized in that the median part ( 65 ) of each arm ( 62 ) is bent around to the high profile of the upper wing ( 8th ) of the spar ( 3 ) to follow. Safety barrier according to claim 20, characterized in that the front mounting foot ( 63 ) at the upper part of the upper shaft ( 8th ) and attached to this upper part. Safety barrier according to claim 24, characterized in that the median part ( 65 ) of each arm ( 63 ) is bent around to the high profile of the upper shaft ( 8th ) of the spar ( 3 ) to follow. Safety barrier according to one of claims 19 to 25, characterized in that the upper protective shield ( 60 ) has a substantially horizontal flat surface and at least one edge ( 66 ), which is bent towards the ground, has. Safety barrier according to claim 3, characterized in that it except the lower shield ( 10 ) an upper shield ( 60 ), which is arranged horizontally, wherein the shields ( 10 . 60 ) with the barrier through a single arm, which has a mounting foot ( 12 - 63 ), by which this at the single spar ( 3 ) or which is attached to the spars, which is closest to the ground, by the same system and at the same location as the attachment of the spar to the Ab stand holders ( 2 ) are connected.