DE202012004889U1 - Emergency opening for a mobile protective wall - Google Patents

Abstract

Device for forming an opening in a mobile protective wall (1) for installation between a first and a second standardized and similarly constructed mobile protective wall element (2, 4) in a protective wall constructed from a plurality of such standardized and similar mobile protective wall elements (2, 4) (6) for directing motor vehicle traffic, at least comprising a first wall element (8) which can be coupled to the first mobile protective wall element (2) and a second wall element (10) which can be coupled to the second protective wall element (4), wherein the first and second wall elements (8, 10) are releasably connected to one another to form a closed wall section and are separable from one another to form the opening, the weight of the first and second wall parts (8, 10) each being less than or equal to half the weight of a standardized mobile bulkhead element (2, 4) and / or wherein the length of the first and the second W Change element (8, 10) less than or equal to half the length of a standardized bulkhead element (2, ...

Description

The invention relates to a device for forming an opening in a mobile protective wall for use in traffic or on highways according to the subject of claim 1.

For the separation of the meeting traffic temporarily mobile protective walls or transportable protective devices on roads and highways are set up on the basis of regulations and guidelines. These protective devices are usually built along the traffic flow against the agreement of vehicles in the meeting traffic or against the agreement from the roadway. These are systems that are assembled by individual elements as a longitudinal device on a roadway or a mostly paved surface laterally positioned along the flow of traffic. These systems are arbitrary for longer distances and z. B. between 500, 1,000 or 5,000 to 9,000 m as a road safety device in the form of an assembled "band" set up. The overall height is at least 500 mm and can not be overrun. In particular, these are protective wall elements of the type MET-ON II LB 12/50 with a standardized length of 6,000 mm.

The protective wall as a composite system complies with an official regulation, whereby the composite system fulfills the special requirements for the stopping of decommissioning vehicles due to special approvals. Thus, the weight, the connection between the individual elements, the associated assembly and disassembly, as well as the transportation for the function and use of these protective walls form the basis. In particular, the solid bond between the individual elements is functional for the retention of vehicles. These protective wall systems are used in traffic regulations for construction sites on roads and motorways in accordance with the regulations. As a result of the temporary traffic routing at jobs / construction sites with narrow lanes, Fahrverkehrsverschwenkungen and special traffic obstructions arise in these traffic management higher traffic hazards and as a result an increased accident events. For this reason, the portable-protective devices are used.

Such a protective device or such a mobile protective wall system is for example from the DE 20 2011 104 387 U1 known.

With the increased accident rate in the construction site traffic routes, the requirement for rescue and emergency services, as well as police operations, towing services, civil protection, etc. is particularly increased. With the increased accident rate, the congestion is increased and thus the approaches of rescue and emergency services, police, etc. significantly impeded, delayed or even made impossible. The road users are guided and held with the continuous protective wall system with their vehicles on the respective directional lane in an alley. Moving out of this lane in an emergency or entering the lane is not possible. The approach of the other directional roadway, in particular of rescue and emergency services, police or civil protection is possible, but switching to a place of deployment on the opposite lane is not possible through the closed barrier systems.

It is therefore an object of the present invention to provide a possibility for rescue and emergency services or the like to get to the scene of the accident or to the place of deployment faster in emergency situations in protected areas with protective wall areas.

The solution of the aforementioned object is achieved by a device according to claim 1 for forming an opening in a mobile protective wall, i. H. a so-called emergency opening for installation in any place or in a defined position or gap between a first and a second standardized and uniformly constructed mobile protective wall element in a constructed of a plurality of such standardized and uniform mobile protective wall elements protective wall for guiding motor vehicle traffic, in particular in construction sites. Such an emergency opening comprises at least a first wall element that can be coupled to the first mobile protective wall element and a second wall element which can be coupled to the second protective wall element, wherein the first and second wall element for forming a closed wall section at least indirectly and preferably directly to each other detachably connected and according to the creation of the opening easily separable from each other. In addition, the weight of the first and the second wall part is in each case at most or less than half the weight of a standardized mobile protective wall element, and / or the length of the first and the second wall element is at most or less than half the length of a standardized protective wall element ,

The term "coupled" is preferably to be understood as meaning an operative connection which can be generated by means of a screw connection and which is suitable for transmitting forces, which occur in particular when motor vehicles enter the protective wall or the emergency opening. The Screw connection preferably acts in the longitudinal direction of the protective wall.

The emergency opening is integrated anywhere in the protective wall system designed as a continuous "band" or can be integrated there where the responsible traffic authority makes the order and instructions for it. The entire system is compatible with each other over the length of the track due to the construction of the individual components. The dismantling or opening of the emergency opening is preferably carried out by the lifting of the individual Wandungselelemente and removing these elements by preferably not more than two people. By this simple removal, d. H. without need for large emergency vehicles, crane vehicles, hoists or the like, an emergency opening for the passage can be made within a few minutes. The installation and closing of the emergency openings is done in a very short time with very little effort. The installation of emergency openings as a transit is of particular importance for the rapid accessibility of rescue and emergency services, police operations, towing services, civil protection, etc. The need for possible traffic diversion can also be covered in special situations. D. H. It can be formed by the use of emergency opening according to the invention such traffic evacuation.

This is advantageous because the emergency opening according to the invention meets the requirements of the Ministry of Transport to provide an emergency opening for transits, which can be opened and closed in a very short time and meets the required safety requirements.

According to a preferred embodiment of the present invention, at least a third and a fourth wall elements are provided, which are connectable or connected to each other and with the first and second wall element, wherein the third wall element in addition to the first wall element and the fourth wall element in addition to the second Wall element is connected. Preferably, the weight of each wall element is less than a third or even less than a quarter of the weight of a single standardized protective wall element.

This embodiment is advantageous since, depending on the situation, the emergency opening can be made flexible. In particular, any number of wall elements can be used to form the emergency opening. Advantageously, the wall elements complement each other in their length straight to a standardized protective wall element.

According to a further preferred embodiment of the present invention, at least one fifth wall element is provided, wherein the five wall elements are detachably connected together to form a closed wall section. Again, in terms of length, the above applies.

The short and lightweight wall elements (in short: elements) are preferably connected to each other with one screw or with multiple screws, preferably in the longitudinal direction, and may preferably with deposited at the emergency opening tools such. As a wrench for the screw size in question, be unscrewed from any rescue and emergency service, etc. in a very short time. The localization of the emergency opening is clearly recognizable by the short and thus lightweight construction of the elements compared to the other, longer system elements in the transportable protective device.

According to a further preferred embodiment of the present invention, at least two of the wall elements have a substantially identical or exactly identical structural form.

This embodiment is advantageous because it increases the number of identical parts and thus reduces the costs for the individual components of the device. Furthermore, the device or emergency opening is so much more flexible use. Furthermore, the individual wall elements are so much easier to store and manage.

According to a further preferred embodiment of the present invention, the wall elements particularly preferably have an open frame structure made of steel and are clamped or braced together in the longitudinal direction, preferably screwed or screwed. "Open" means in this case particularly preferred that no filling material, such. As concrete or recycled plastic, provided for weighting of the wall parts or coupled to the frame structure.

Preferably, a screwing of the emergency opening according to the invention forming wall elements takes place together in the same manner as that of the DE 20 2011 104 387 U1 known screwing two protective wall elements. The subject matter or the disclosure of the DE 20 2011 104 387 U1 is added to the subject matter of the present invention by reference in its entirety.

At the same time, the transportable protection system or protective wall system with the compatible Construction of emergency openings functional. The material, in particular the material of the frame structure of the wall elements or of the profiles used, is preferably a metal, in particular iron, aluminum or steel, preferably hot-dip galvanized. As a lightweight construction, it is in terms of volume and weight for handling by preferably one or two people without special hoist or techn. heavy equipment designed for very fast removal and installation.

This embodiment is advantageous because the wall elements are so easy, cheap and stable to produce. Furthermore, a screw connection between the wall elements can likewise be easily and reliably released or generated by anyone.

According to a further preferred embodiment of the present invention, a user manual for operating the emergency opening is arranged on at least one wall element.

The removable and installable short elements preferably have a clearly recognizable, large, easily visible and weather-resistant sticker with a short, concise written installation instructions and visual representations of the steps to create the emergency opening by non-professionals.

According to a further preferred embodiment of the present invention, the first and / or the second wall element are provided with visual signs which indicate the location of the emergency opening.

For recognizability in the dark and bad weather, for example red / white reflective vertical marking is preferably attached to the beginning and end of the emergency opening or alternatively or in the middle of the emergency opening on or on the protective wall system.

This embodiment is advantageous because finding the emergency opening is made even easier by the visual signs.

According to a further preferred embodiment of the present invention, at least or exactly one wall element is a dilatation element.

The dilatation element preferably has a first and a second substantially vertical profile element, wherein on the first vertical profile element at least a first and a second each substantially horizontally oriented profile element is arranged and wherein on the second vertical profile element, a third and a fourth respectively in the Is arranged substantially horizontally oriented profile element, wherein the first and the third horizontal profile element and the second and the fourth horizontal profile element in pairs to form a distance changing means for setting a defined distance and / or to compensate for changes in length of the emergency opening or the protective wall between the first and interacting with the second vertical profile element. In this case, the first and the third horizontal profile element as well as the second and the fourth horizontal profile element can particularly preferably be positively coupled to one another, at least in the transverse direction of the protective wall system.

This last embodiment is advantageous because a unique longitudinal guide is created by the individual profile elements, whereby the distance change is ensured without jamming. Furthermore, the dilatation element is particularly preferably added to facilitate the removal and installation of the short wall elements of the emergency opening, whereby any stresses (in particular thermal expansions or shrinkages) in the system and a possible jamming during removal and installation of the wall elements are prevented without the Functionality of the emergency opening or the protective wall to affect.

According to another preferred embodiment of the present invention, the adjustable distance between the first and second vertical profile elements is between 250 mm and 850 mm and preferably between substantially or exactly 450 mm and substantially or exactly 650 mm.

This embodiment is advantageous because potentially occurring stresses in the region of the emergency opening are prevented by the dilation element as a result of this adjustment region. Furthermore, installation inaccuracies can be compensated.

According to a further preferred embodiment of the present invention, the first and the third wall element are arranged on one side of the dilation element, and on the other side of the dilation element, the second and fourth wall element are arranged, wherein the dilation element is connected to the third and the fourth wall element contacting , It is also conceivable that the third and fourth wall element are arranged between the first wall element and the dilation element, or that the third and fourth wall element are arranged between the second wall element and the dilation element.

These embodiments are advantageous because they allow a quick disassembly or opening of the emergency opening, because in particular after the removal of the dilatation, the first and third and the second and fourth wall element are independent of the other pair disassembled.

According to a further preferred embodiment of the present invention, the first and second horizontal profile element store a bolt which is aligned substantially in the vertical direction when the protective wall is properly positioned, and the third and fourth horizontal profile elements each have at least or exactly one slot oriented in the longitudinal direction of the protective wall, through which the bolt is guided. For the vertical guidance of the bolt between the horizontal profile elements corresponding sleeve parts may be provided.

This embodiment is advantageous because due to the interaction of the bolt with the slots of the horizontal profile elements a very smooth and especially defined distance change is vornehmbar.

According to a further preferred embodiment of the present invention, the vertical and / or horizontal profile elements are formed as open profiles, in particular as U-profiles, wherein preferably in the vertical direction the highest arranged pair of horizontal profile elements is arranged such that their profile openings oriented upwards are. Furthermore, at least the vertically arranged lowest pair of horizontal profile elements may be arranged such that their profile openings are oriented downwards. Preferably, a further pair of horizontal profile elements is arranged between the upper pair of horizontal profile elements and the lower pair of horizontal profile elements, the profile opening of which preferably also points downwards.

According to a further preferred embodiment of the present invention, at least one mounting tool is arranged captive on at least one wall element such that in a collision of a vehicle with the wall element a throwing away of the assembly tool, in particular a wrench, is structurally prevented. Preferably, two emergency fitting corresponding to the Schraubmaß fitting keys are present, which are preferably attached to the emergency and rescue service well recognizable two short elements of the emergency opening so that they are thrown in a possible accident at this point not on the market.

This embodiment is advantageous because on the one hand ensures that the emergency and rescue services can easily cause opening or dismantling the emergency opening, and on the other hand ensures that the emergency opening itself, in particular by the tools arranged thereon, no danger for the traffic arises.

According to a further preferred embodiment of the present invention, the weight of each wall element is less than 80 kg, and preferably less than 60 kg, in particular substantially exactly or less than 50 kg, such. B. substantially or exactly 45 kg, 40 kg, 35 kg, 30 kg or a value in between. The length of each wall element is substantially, exactly or less than 2000 mm, in particular substantially, exactly or less than 1500 mm, wherein a wall element designed as a dilation element preferably even only a length of substantially, exactly or smaller than 1000 mm, in particular of substantially, exactly or smaller than 500 mm.

The emergency opening is thus preferably made with short elements with a low weight of up to 50 kg and any length of these individual elements according to the requirements of the traffic authority and marked.

Furthermore, if required, the invention also extends to a mobile protective wall with a previously described emergency opening and at least one first and one second standardized mobile protective wall element.

Further advantages, objects and features of the present invention will be explained with reference to the following description of attached figures, in which an example of a device for facilitating a passage through a mobile protective wall or its components are shown. Components of the device or the emergency opening, which in the figures at least substantially coincide with regard to their function, can hereby be identified by the same reference numerals.

It shows:

1a a three-dimensional view of a frame part of a known from the prior art mobile protective wall element;

1b a three-dimensional detail view of a coupling between two known from the prior art mobile protective wall elements;

2a a three-dimensional view of a weighted mobile protective wall element known from the prior art;

2 B a three-dimensional detail view of a coupling between two weighted mobile protective wall elements known from the prior art;

3 a schematic representation of the use of a mobile protective wall;

4 a further schematic representation of an open mobile protective wall with the involvement of an emergency opening according to the invention;

5 a further schematic representation of a closed or weighted mobile protective wall with integration of an emergency opening according to the invention;

6a a three-dimensional representation of a wall element, as it is preferably used in the emergency opening according to the invention;

6b a three-dimensional detail view of a coupling between two wall elements used in the emergency opening according to the invention;

7 a three-dimensional representation of a wall formed as a dilation element wall element, as it is preferably used in the emergency opening according to the invention; and

8th a representation of a can be arranged on a wall element or attached instruction manual.

In 1a is a frame part of a standardized mobile protective wall element 2 . 4 shown. The protective wall element 2 . 4 is particularly preferred of the type METON II LB 12/50 × 6000 (ie with a length of 6000 mm) and is used on roads and highways as a restraint system for vehicles. In particular, by a series of a plurality of such protective wall elements 2 . 4 becomes a protective wall 6 (see. 3 to 5 ) educated. The protective wall element 2 . 4 has a first vertical frame element 62 and a second vertical frame member 64 supported by an upper horizontal frame element (profile part) 63 and a lower composite horizontal frame member (profile part) 65 connected to each other. Between the upper and lower horizontal frame elements 63 . 65 Four are the horizontal frame elements 63 . 65 interconnecting vertical stabilization elements (posts) 66 arranged.

In 1b is a detailed representation of a coupling or screwing 68 two standardized mobile barrier elements 2 . 4 shown in the longitudinal direction. The screw connection 68 connects two vertical frame elements 62 . 64 the mobile protective wall elements 2 . 4 , in particular using a post-like vertical connecting element, which is not discussed here.

In 2a is another mobile protective wall element 2 . 4 shown, for weighting a filling material or a filling body, in particular a concrete body 70 , which has the stabilizing elements 66 - If present - at least partially encloses and the mass of the wall element 2 . 4 elevated.

In 2 B is a three-dimensional detail view of the screw connection 68 two mobile barrier walls weighted with concrete 2 . 4 shown. The representation essentially corresponds to the illustration in FIG 1b However, it is apparent that despite the concrete body 70 a screw connection 68 the protective wall elements 2 . 4 due to recesses 71 . 72 is possible.

In 3 is a protective wall 6 ( EN 1317-2 accordingly) for directing vehicle traffic in the area of a construction site 7 shown. The protective wall 6 has two emergency openings shown schematically 1 and between them arranged mobile protective wall elements 2 . 4 according to z. B. 1a or 2a on. The emergency openings 1 are preferably substantially or exactly 6.5 m, 8 m or 9.5 m long. It is possible that the emergency openings 1 have different lengths from each other. The emergency openings 1 are arranged in this representation in a straight stretch. In principle, it is possible that they or one of them are additionally or alternatively provided in a curved piece.

In 4 is a mobile protective wall 6 shown to the oncoming traffic separation in a more detailed representation. This representation can be on the one hand in a three-dimensional view, the standard mobile protective wall elements 2 . 4 between which the emergency opening 1 on the other hand, in the upper partial view, a two-dimensional side view of the emergency opening 1 shown. The length of the emergency opening 1 varies by the number of wall elements 8th . 10 . 12 . 14 . 16 the to the emergency opening 1 be used. Im in 4 case shown is the emergency opening 1 6.5 m long, because the preferably uniform wall elements 8th . 10 . 12 . 14 particularly preferably each have a length l of 1.5 m and the wall element 16 as a dilating element 22 is formed, preferably has a length l 'of 0.5 m. According to need is the emergency opening 1 however, by any number of wall elements 8th . 10 . 12 . 14 . 16 built up. So the emergency opening z. B. exactly 2, 3, 4, 5, 6, 7, 8, 9 or 10 wall elements, wherein each third, fourth or fifth wall element particularly preferably has a dilatation element 22 is.

The wall element 8th preferably in the region of the transition to the first mobile protective wall element 2 an optical display device 20 , in particular a visual sign on. The visual sign 20 preferably has the dimensions 250 × 125 mm and is preferably formed on both sides red / white and retroreflective. The wall element 10 also preferably in the region of the transition to the second mobile protective wall element 4 a corresponding optical display device 20 , in particular also a visual mark on. The visual sign 20 preferably also has the dimensions 250 × 125 mm and is also preferably formed on both sides red / white and retroreflective. The reference number 5 indicates the other mobile protective wall elements through which the entire protective wall 6 is formed. The other mobile protective wall elements 5 and the first and second mobile barrier members 2 . 4 are usually or always identically formed or of the same type and thus at least substantially identical, so that they are in particular interconnectable.

The representation in 5 corresponds essentially to the representation of 4 It is only the structure of the mobile protective wall elements 2 . 4 . 5 different, since these are complained executed, z. B. as concrete wall elements.

In 6a is a three-dimensional representation of a wall element 8th . 10 . 12 . 14 shown as the first wall element or as a guide part of the emergency opening 1 can be designated. This wall element 8th . 10 . 12 . 14 is due to its standardized construction with each other first wall element or guide part 8th . 10 . 12 . 14 , with a dilatation element 16 . 22 (see. 6 ) and / or with a mobile protective wall element 2 . 4 can be coupled or connected.

Such a coupling or connection, which is preferably carried out releasably, via one of the two terminal vertical frame members 52 . 54 , The vertical frame elements preferably form 52 . 54 in the longitudinal direction (x-direction) of the wall element 8th . 10 . 12 . 14 on both sides a conclusion or a limitation of the wall element 8th . 10 . 12 . 14 out. The vertical profile elements are preferred 52 . 54 in each case as outwardly open profiles, in particular U-profiles formed. However, it is also possible that the vertical frame elements 52 . 54 have other profile shapes, such. B. double T-profiles. Furthermore, it is conceivable that the vertical frame elements 52 . 54 are designed as closed profiles, the z. B. have a rectangular cross-section. The term "vertical" is preferred here as substantially vertical (z-direction) and / or during installation of the wall element 8th . 10 . 12 . 14 or the emergency opening 1 to understand on a horizontal surface as a vertical on this surface. Furthermore, said wall elements can also have terminal, substantially smooth, flat abutment surfaces (pressure surfaces), as in US Pat DE 20 2012 003 240 of the same applicant.

The two vertical frame elements 52 . 54 are preferred by a first horizontal frame member or profile part 53 and an on either side to the outside (y-direction) angled second horizontal frame member or profile part 55 connected with each other. The first horizontal frame element 53 is above or in an upper region of the vertical frame elements 52 . 54 arranged, and the second horizontal frame element 55 is below or in a lower region of the vertical frame elements 52 . 54 arranged. The second horizontal frame element 55 With its bends, it preferably touches the ground or the ground or the road and is preferably designed such that it has a stable standing position of a single wall element 8th . 10 . 12 . 14 on the underground allows. Particularly preferably, the second horizontal frame element extends 55 at least in the region of the angled portions so transversely to the longitudinal direction of the wall element 8th . 10 . 12 . 14 in that it is the multiple width (extension in y-direction) of the first horizontal frame element 53 having.

The first and second horizontal frame members 53 . 55 are preferably also designed as outwardly at least partially open profiles, in particular U-profiles. At least the first horizontal frame element is preferred 53 in the region of the transition to the first and second vertical frame element 52 . 54 at reference numerals 53a , B upwards each open, wherein it may be formed between the transition areas as a closed profile. However, it is also possible that the frame member is fully opened or closed, but with the openings 53a , b due to better accessibility of breakthroughs 52a . 54a placed in the upper part of the vertical frame elements 52 . 54 are provided, a lighter connection, in particular screwing, the wall element 8th . 10 . 12 . 14 with another wall element 8th . 10 . 12 . 14 . 16 or a mobile protective wall element 2 . 4 allows. This comes in accordance with 6b a bolt 43 used by a sleeve 42 , which is arranged in the upper region of an unspecified connection element, is guided. reference numeral 43a denotes the bolt head of the bolt 43 ,

Between the vertical frame elements 52 . 54 is also preferably at least one or exactly one vertical stabilization element (post) 56 provided, which the first and the second horizontal frame member 53 . 55 connects with each other. The vertical stabilizing element 56 is preferably used for stiffening the wall element 8th . 10 . 12 . 14 , Preferred are on the vertical stabilizing element 56 arranged one or more, in particular two reflectors 57 for reflecting light.

In 6b is a detail view of a connection, in particular a screw connection 43 , two wall elements 8th . 10 shown. It can be seen from this illustration that the screw or the bolt 43 in the upper area of the vertical frame elements 52 . 54 the wall elements 8th . 10 connects, as already pointed out.

In 7 is a three-dimensional representation of the as a dilating element 22 trained wall element 16 displayed. The dilatation element 22 serves to two wall elements 8th . 10 . 12 . 14 connect to each other, wherein the distance between the wall elements to be connected 8th . 10 . 12 . 14 in a certain range, in particular between 300 mm and 1000 mm and preferably between 450 mm and 640 mm. It is also possible by means of the dilation element 22 a wall element 8th . 10 . 12 . 14 and a mobile protective wall element 2 . 4 to connect with each other.

The dilatation element 22 has, analogously to the described wall elements, a first and a second vertical frame element (profile part) 24 . 26 on, over horizontal frame elements (profile parts) 28 . 30 . 32 . 34 . 36 . 38 connected to each other. Here are the first horizontal frame element 28 , the second horizontal frame element 30 and the third horizontal frame element 32 fixed to the first vertical frame member 24 arranged, in particular welded, and the fourth horizontal frame element 34 , the fifth horizontal frame element 36 and the sixth horizontal frame member 38 are fixed to the second vertical frame member 26 arranged, in particular welded. The horizontal frame element pairs 28 . 38 such as 30 . 36 such as 32 . 34 In this case, they preferably act in the manner of a guide in the longitudinal direction of the dilation element 22 form-fitting together. For this purpose, the frame elements are each formed as U-profile parts, wherein the frame elements 28 . 30 . 32 have a relatively larger clear cross section and the frame members 34 . 36 . 38 encompass or overlap so that the latter are led into the former. The horizontal frame elements 34 . 36 . 38 have preferably oriented in the x direction slots 40 in which one through the remaining horizontal frame elements 28 . 30 . 32 plugged bolt 43 is movable. The bolt 43 is additionally by means of vertical sleeve elements 42 guided, each between adjacent horizontal frame elements 28 . 30 and 30 . 32 are arranged and keep these defined at a distance. reference numeral 43a refers to the head of the bolt 43 ; the associated nut is below the element 38 arranged and in 7 not visible. About a relative displacement of the horizontal profile parts to each other in accordance with the bolt 43 guided tour inside the oblong holes 40 is about the change in distance of the vertical profile parts 24 . 26 a length compensation within the emergency opening allows. The horizontal frame elements 32 . 34 are preferably formed as outwardly open U-profiles, wherein at least the fourth horizontal frame member 34 in the transition region to the second vertical frame element 26 an opening 35 has, which is preferably rectangular or U-shaped. The first, second, fifth and sixth horizontal frame elements 28 . 30 . 36 . 38 can each also be designed as a U-profile or as a closed, rectangular in cross section profile.

The first and second vertical frame members 24 . 26 have in their upper regions or end regions, in particular approximately at the level of the third and fourth horizontal frame elements 32 . 34 , first and second connection openings 44 . 46 for performing a connection means (eg, bolt) for connecting the respective vertical frame member 24 . 26 with another wall element 8th . 10 . 12 . 14 or a mobile protective wall element 2 . 4 on, cf. reference numeral 52a . 54a in 6b , These connection openings 44 . 46 may be formed as holes, in particular as round holes or - as shown - as in the z-direction extending slots. It is also possible that the dilation element 22 has only two pairs of horizontal frame elements. In principle, it is also possible that the dilation element 22 even just a pair of horizontal frame elements 30 . 36 having.

In 8th is a manual 74 Shown, for example, on one or all of the wall elements 8th . 10 . 12 . 14 . 16 arranged detachably or non-detachably, in particular pinned, glued, painted or engraved, can be. The user manual 72 is for an emergency opening 1 consisting of five wall parts 8th . 10 . 12 . 14 . 16 , which in turn consists of four leadership parts 8th . 10 . 12 . 14 and a dilation element 16 . 22 exist, designed. The letter A becomes the dilatation element 22 denoted by the letter B, the guide elements 8th . 10 . 12 . 14 are designated, and by the letter C are the individual wall parts connecting together Designated connecting means or screws. In addition, by the instruction manual 74 an expansion method is described, comprising the steps of: loosening and removing all screws C, lifting the part A and lifting all parts B. Furthermore, the operating instructions also specify a mounting method, comprising the steps: two parts B lift, insert screws C. ; Lift part A, insert screws C; lift in two parts B, insert screws C; Tighten all screws C with normal force. The required tool is preferably secured in the emergency opening itself and easily retrievable mounted (not shown).

LIST OF REFERENCE NUMBERS

1

Emergency opening

2

First mobile protective wall element

4

Second mobile protective wall element

5

Another mobile protective wall element

6

bulkhead

7

roadworks

8th

First wall element

10

Second wall element

12

Third wall element

14

Fourth wall element

16

Fifth wall element

20

hand signals

22

dilation

24

First vertical profile element

26

Second vertical profile element

28

First horizontal profile element

30

Second horizontal profile element

32

Third horizontal profile element

34

Fourth horizontal profile element

35

opening

36

Fifth horizontal profile element

38

Sixth horizontal profile element

40

Long hole

42

shell

43

bolts

43a

head

44

First connection opening

46

Second connection opening

48

First breakthrough

50

Second breakthrough

52

First vertical frame element

52a

breakthrough

53

First horizontal frame element

53a

opening

53b

opening

54

Second vertical frame element

54a

breakthrough

55

Second horizontal frame element

56

Vertical stabilization element

57

reflector

62

First vertical frame element of the mobile protective wall element

63

Upper horizontal frame element

64

Second vertical frame element of the mobile protective wall element

65

Lower horizontal frame element

66

Vertical stabilizing element of the mobile protective wall element

67

packing

68

screw

70

concrete body

71

recess

72

recess

74

operation manual

x

length direction

y

width direction

z

height direction

l

length

l '

length

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202011104387 U1 [0004, 0018, 0018]
• DE 202012003240 [0063]

Cited non-patent literature

• EN 1317-2 [0058]

Claims (16)

Device for forming an opening in a mobile protective wall ( 1 ) for installation between a first and a second standardized and similarly constructed mobile protective wall element ( 2 . 4 ) in one of a plurality of such standardized and similar mobile protective wall elements ( 2 . 4 ) constructed protective wall ( 6 ) for guiding motor vehicle traffic, at least comprising a first wall element ( 8th ) connected to the first mobile protective wall element ( 2 ) is coupled and a second wall element ( 10 ) connected to the second protective wall element ( 4 ) is coupled, wherein the first and second wall element ( 8th . 10 ) are releasably connected together to form a closed wall portion and separable from each other to form the opening, wherein the weight of the first and second wall portions ( 8th . 10 ) each less than or equal to half the weight of a standardized mobile protective wall element ( 2 . 4 ) and / or wherein the length of the first and the second wall element ( 8th . 10 ) each less than or equal to half the length of a standardized protective wall element ( 2 . 4 ). Apparatus according to claim 1, characterized in that at least a third and a fourth wall elements ( 12 . 14 ) and preferably a fifth wall element ( 16 ) are provided, which are connected in pairs and between the first and second wall element ( 8th . 10 ), wherein the third wall element ( 12 ) in addition to the first wall element ( 8th ) and the fourth wall element ( 14 ) in addition to the second wall element ( 10 ) are releasably connected together to form a closed wall portion. Apparatus according to claim 1 or 2, characterized in that at least two wall elements ( 8th . 10 . 12 . 14 . 16 ) have a substantially identical structural shape. Device according to one of the preceding claims, characterized in that the wall elements ( 8th . 10 . 12 . 14 . 16 ) have an open, made of steel frame structure and braced with each other in the longitudinal direction, preferably screwed, are. Device according to one of the preceding claims, characterized in that on at least one wall element ( 8th . 10 . 12 . 14 . 16 ) a user manual ( 74 ) is arranged for displaying the procedure necessary for forming the opening in the mobile protective wall. Device according to one of the preceding claims, characterized in that at least one of the wall elements, preferably the first and / or the second wall element ( 8th . 10 ), with a readily visible marking, preferably with red / white retroreflective visual signs ( 20 ) is provided. Device according to one of the preceding claims, characterized in that at least one of the wall elements ( 8th . 10 . 12 . 14 . 16 ) a dilatation element ( 22 ), the dilation element ( 22 ) a first and a second substantially each vertical profile element ( 24 . 26 ), wherein on the first vertical profile element ( 24 ) at least a first and a second respectively substantially horizontally oriented profile element ( 28 . 30 ) and wherein on the second vertical profile element ( 26 ) a third and a fourth respectively substantially horizontally oriented profile element ( 36 . 38 ) are arranged, wherein the first and the fourth horizontal profile element ( 28 . 38 ) as well as the second and the third horizontal profile element ( 30 . 36 ) cooperate in such a way that a distance between the first and the second vertical profile element ( 24 . 26 ) is adjustable, wherein the adjustable distance between the first and second vertical profile element ( 24 . 26 ) between 250 mm and 850 mm and preferably between 450 mm and 650 mm. Device according to claim 7, characterized in that on the one hand the dilatation element ( 22 ) at least the first wall element ( 8th ) and on the other hand the dilation element ( 22 ) at least the second wall element ( 10 ) is arranged. Device according to claim 2 and claim 8, characterized in that between the first wall element ( 8th ) and the dilatation element ( 22 ) the third wall element ( 12 ) is arranged and between the second wall element ( 10 ) and the dilatation element ( 22 ) the fourth wall element ( 14 ) is arranged. Device according to claim 2 and claim 8, characterized in that between the first wall element ( 8th ) and the dilatation element ( 22 ) the third and fourth wall element ( 12 . 14 ) are arranged or between the second wall element ( 10 ) and the dilatation element ( 22 ) the third and fourth wall element ( 12 . 14 ) are arranged. Device according to one of claims 7 to 10, characterized in that the first and fourth horizontal profile element ( 28 . 38 ) and the second and third horizontal profile elements ( 30 . 36 ) are positively coupled to each other at least in the transverse direction (y) of the Wandungsabschnitts. Device according to one of claims 7 to 11, characterized in that the first and second horizontal profile element ( 28 . 30 ) have vertically aligned openings, in which a substantially in the vertical direction (z) aligned bolt ( 43 ) and that the third and fourth horizontal profile elements ( 30 . 36 ) horizontal (x) elongated holes ( 40 ), by which the bolt ( 43 ) is guided. Device according to one of claims 7 to 12, characterized in that the vertical and / or horizontal profile elements ( 24 . 26 . 28 . 30 . 36 . 38 ) are designed as open profiles, in particular as U-profiles. Apparatus according to claim 13, characterized in that in the vertical direction (z) highest arranged pair of horizontal profile elements is arranged such that their profile openings are oriented upwards, and that at least in the vertical direction (z) lowest arranged pair of horizontal profile elements ( 28 . 38 ) is arranged such that their profile openings are oriented downwards. Device according to one of the preceding claims, characterized in that on at least one wall element ( 8th . 10 . 12 . 14 . 16 ) an assembly tool for releasing the connections between the wall elements ( 8th . 10 . 12 . 14 . 16 ) is arranged captive such that in a collision of a vehicle with the wall element ( 8th . 10 . 12 . 14 . 16 ) throwing away the assembly tool is structurally prevented. Device according to one of the preceding claims, characterized in that the weight of each wall element ( 8th . 10 . 12 . 14 . 16 ) is less than 60 kg, in particular substantially or exactly 50 kg, and / or that the length of each wall element ( 8th . 10 . 12 . 14 . 16 ) is substantially or less than 1500 mm.

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