EP3899142A1 - Niveauausgleichselement und gedrängesperre - Google Patents
Niveauausgleichselement und gedrängesperreInfo
- Publication number
- EP3899142A1 EP3899142A1 EP19823897.4A EP19823897A EP3899142A1 EP 3899142 A1 EP3899142 A1 EP 3899142A1 EP 19823897 A EP19823897 A EP 19823897A EP 3899142 A1 EP3899142 A1 EP 3899142A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- posts
- post
- element according
- front panel
- vertical frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
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- 238000000429 assembly Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
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- 230000033001 locomotion Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 230000002441 reversible effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
- E01F13/022—Pedestrian barriers; Barriers for channelling or controlling crowds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/18—Corrals, i.e. easily transportable or demountable enclosures
Definitions
- the invention relates to a leveling element according to the features of claim 1 and a crowbar with the features of claim 22.
- US Pat. No. 6,296,234 B1 discloses a transportable barrier for a crowding block.
- This type of barrier is also known as a stage grille.
- Stage grids or barriers are characterized by the fact that they have to withstand high loads from the crowds. On the other hand, they should have a relatively low weight, since the stage grilles have to be set up quickly before concerts and dismantled quickly after concerts.
- the transport volume should also be low.
- the stage grilles are preferably folding constructions that can be folded flat.
- the known stage grilles have a bottom frame part and an approximately center on the bottom frame part vertical frame part. The two frame parts are articulated to one another via diagonal struts. In the foot area of the vertical frame part, the coupling with the bottom frame part takes place, so that the barrier is ready for use. The coupling is released for transport and the vertical part is folded down.
- stage grille The stability of a stage grille is based on the one hand on the fact that people stand on one side of the stage grille on the horizontal frame part and that the stage grille is pressed onto the floor.
- the firm bond with the neighboring stage grids also contributes to stability.
- stage grids For stability and resilience, it is important that the stage grids have a flat contact with the ground. Sloping or slightly rising surfaces continuously in the longitudinal direction of the blockage barrier are not critical as long as the slope of the slope does not change or change.
- a stage has to be set up for a major outdoor event, it may be necessary to level the ground in front of the stage and level it with a caterpillar, for example.
- This has the disadvantage that sludge is formed when it rains. If the ground is solid, individual stage grids are relined if necessary, so that a level contact surface is created. As a result, however, individual sections of the crush barrier are somewhat higher, so that you can get caught there with your foot under the crush barrier. Movement in the crowd lock, for example under the influence of large crowds, can cause injuries.
- Such problems can occur, for example, in the area of drainage channels, which due to the superstructure with the crowbar cannot be used in a functionally appropriate manner. The same problems arise on both sides adjacent to one-off surveys. Proceeding from this, the object of the invention is to demonstrate the possibility of being able to erect a barrier which is constructed from transportable barriers more securely if the ground level has local elevations or local depressions in the longitudinal direction of the barrier.
- a suitable crowding block is the subject of protection claim 22.
- the level compensation element serves to connect transportable barriers of a crowding block. It has a vertical frame that has a left post and a right post. The posts are arranged at a horizontal distance from one another. The horizontal distance can be set at least in a height range of the level compensation element. This allows the posts to be parallel or at an acute angle to each other.
- a front panel is arranged in front of the vertical frame. It is emphasized that the front panel extends in the longitudinal and vertical directions of the crowbar, but towards the audience, i.e. is placed on the front in front of the adjustable post. This does not restrict the freedom of movement of the posts.
- the front panel can theoretically also have sections, not arranged in front of, but between the posts.
- Reinforcing elements for stiffening the front panel can be arranged outside of the range of motion of the posts.
- the front panel is preferably at least as wide as the set horizontal distance so that there is no gap on the front. In the installation situation, the front panel holds especially in front of neighboring barriers.
- the level compensation element is not used to support portable barriers, but is mounted on the side between the barriers of the crowbar.
- the level compensation element should in particular be able to, not only Compensate for changes in the height of the subsurface in the longitudinal direction of the barrier, but at the same time absorb and transmit the same forces as the adjacent standard barriers.
- the left and right posts are firmly but releasably connected to a left or right barrier, in particular clamped or screwed.
- the invention assumes that the left and right barriers are arranged at an angle to one another with respect to the floor level.
- the invention is not used to compensate for angles to a curvature to the front and back, i. H. compensate in the longitudinal course of the crowding barrier, for example in the area of a corner or an arcuate course.
- the level compensation element is also not used to bridge horizontal height differences, i.e. vertical, step-like jumps. It is used to connect barriers to one another in a load-bearing manner, the upper edges of which are arranged at the same height, but are not at an extended angle but at an obtuse angle to one another.
- the left post is therefore to be coupled with the adjacent left barrier and the right post with the adjacent right barrier.
- the posts are adjustable relative to each other so that they can not necessarily be parallel, but also at an acute angle to each other.
- An acute angle is greater than 0 ° and less than 90 °.
- the acute angle can be open upwards or downwards.
- One or more connecting means between the posts create a firm, highly resilient bandage, through which not only the posts, but also the adjacent barriers are firmly but releasably connected.
- a front panel which is at least as wide as the set horizontal distance between the posts, the horizontal distance denoting the clear width between the left and right posts. Because the horizontal distance is variable at least in some areas, a correspondingly wide front panel can ensure that there are no interruptions or openings in the front of the blockage barrier. For technical reasons, openings in the front area are only permitted to a very limited extent. In particular, it must be prevented that a finger gets into an opening that is too large. In general, all openings must be smaller than 8 mm in diameter.
- the leveling element according to the invention makes it unnecessary to level uneven surfaces.
- the crowd lock can be built up faster.
- sludge formation is significantly reduced even in the event of precipitation.
- the bottom-side assemblies of the barriers are also significantly closer to the floor in the area of depressions or elevations. Trip hazards and risk of injury are minimized.
- the level compensation element according to the invention goes far beyond the function of merely closing a wedge-shaped opening within a crowding block. This would also be possible by simply bridging the openings by screwing on metal sheets. Such sheets or barriers that are improperly connected to each other can create weak points in the crowding barrier. Parts of the crowd lock could move relative to each other at the weak point. Dangerous situations can arise on both sides of the crowding block.
- the level compensation element according to the invention is used explicitly to provide a resilient connection between adjacent barriers and not only to bridge a gap.
- the leveling element preferably has a cross connector in the area of the vertical frame. At least one of the posts for adjusting the angle between the adjacent posts is pivotally mounted on the cross connector.
- the bearing is in particular via swivel joints, so that forces acting radially on the swivel joints can be transmitted via the cross connector.
- both posts are pivotally mounted on the cross connector. If both posts are pivotally mounted on the cross connection, the adjustment range of the leveling element is larger.
- the cross connector has the function of transferring forces acting on one post to the other post.
- the cross connector is a shear-resistant component that can withstand tensile and compressive loads. It must be taken into account that the barriers are usually screwed together with bolts that have a diameter of 12 mm.
- the pivot bearings also preferably have correspondingly strong pivot axes, via which high tensile and compressive forces can be transmitted.
- the cross connector is in particular arranged horizontally.
- transverse means that it extends in the longitudinal direction of the thrust barrier and thus in the longitudinal direction of the level compensation element.
- Such a cross connector is arranged in particular in the foot region of the vertical frame.
- the foot area of the vertical frame is the lower area of the vertical frame. Due to its rigid construction and its yoke-like function, the cross connector essentially determines the width of the leveling element. Where the two posts are connected by the cross-user, the distance between the left and right posts cannot be changed. This is in particular the lower height range of the level compensation element.
- the level compensation element preferably has a predetermined width.
- the leveling element has the same width at the upper end as at the lower end.
- the leveling element is therefore essentially rectangular, its upper height area being variable in width by adjusting the posts.
- the setting in the upper height range is easier to implement than in the foot area, because here the base assembly is arranged, which in this case should also be adjustable in width.
- the posts are particularly adjustable independently of one another. This means that one of the posts is exactly vertical, for example, or runs parallel to the adjacent barrier, while the other post is set to a certain angle.
- the angular position of the cross connector and thus the foot area of the vertical frame can be influenced in the desired manner become.
- each of the posts can be adjusted by a smaller angle.
- the two smaller angles are preferably identical.
- the respective angled section of the base assembly is less than the neighboring barrier. This in turn simplifies screwing.
- the vertical frame has at least one central post.
- This center post is located between the left post and the right post. It is possible to provide several separate center posts or a single and wider center post for wider leveling elements. These several middle posts are then not exactly in the middle between the left and right posts, but at a distance from the center.
- the arrangement of the posts is preferably symmetrical with respect to a central vertical axis of the leveling element.
- the preferably only central post is connected to the right post and / or the left post via at least one adjusting element in each case.
- Each of the control elements is connected to the center post.
- the middle post is at a sufficient distance from the left and right posts so that they can be adjusted as desired. However, the distance should not be large enough to create a weak point between the left and right posts.
- the control elements must therefore be designed to be sufficiently resilient.
- the adjusting elements are located at a distance from the cross connector.
- the cross connector, the posts and the actuating elements create a rectangle and, depending on the setting of the actuating elements, a trapezoidal frame that connects neighboring barriers to tensile and compressive loads. This frame preferably meets the same power transmission requirements as a barrier.
- the middle post with which the adjusting elements are connected can also be counted to this vertical frame.
- the left and right posts are indirectly connected to each other via the control elements and the middle post.
- the center post is a first abutment with respect to the actuator.
- the second abutment is located on the outer post.
- the middle post is therefore two abutments.
- the positioning of the adjusting elements must in particular be such that by changing the angular position of a post relative to the central post, no stresses are introduced into the central post itself.
- the adjusting elements are in particular also pivotably arranged relative to the central post and / or the respective outer post.
- the at least one adjusting element preferably has an adjusting spindle.
- Such an adjusting spindle is supported on one side on one of the two outer posts and on the other side on the central post in order to continuously adjust the horizontal distance to the central posts.
- Such an adjusting spindle is, in particular, a threaded rod, in particular a screw with a tool engagement surface, in particular for an Allen key.
- the connected post can be swiveled steplessly into the desired position via such an adjusting spindle.
- the adjusting spindle can increase or decrease the horizontal distance to the other post.
- the adjusting spindle can be fixed in the desired position, for example by means of lock nuts.
- the thread pitch of the adjusting spindle is self-locking. This creates a shear and pressure-resistant connection.
- the posts are screwed or clamped to the adjacent barriers in the installed position.
- the type of connection technology depends on the design of the adjacent barriers.
- coupling elements for a plug connection with adjacent barriers are preferably arranged at the upper ends of the posts.
- the coupling elements are a male piece and, on the other hand, a female piece adapted to the design of the adjacent barriers.
- a height-adjustable handrail is arranged on the vertical frame relative to the coupling elements.
- a handrail is with such Crowds are extremely important because people are looking for support. At the scramble barriers, visitors brace themselves on the handrail and hold on to it. The handrail is often pulled and shaken a lot. With a leveling element, it is therefore very important to be able to bridge the handrail as far as possible without major protrusions.
- the handrail is lowered as far as possible. If the posts have been placed far outwards so that they protrude from under the handrail, there is a small height offset that is no larger than 2 mm. This offset is not so large that there is a risk of injury here.
- the handrail is preferably configured in a U-shape or essentially in an arc shape open at the bottom. It overlaps the ends of the posts and the coupling elements on the upper side, wherein depending on the position of a post at least one coupling element designed as a father part can protrude above the handrail. If the upper ends of the posts have a small horizontal distance, the handrail is designed to also overlap the handrails of the adjacent barrier at the end.
- the inner dimensions of the handrail in the area of the leveling element are therefore somewhat larger than the handrail in the area of the adjacent barriers. Inevitable gaps between the handrail of the leveling element, the posts or to the neighboring handrails of the barriers can be taped using suitable adhesive tapes to prevent injuries as a precaution.
- the handrail can be adjusted in height together with the front panel.
- the handrail is preferably a one-piece, in particular one-piece integral part of the front panel.
- the handrail is preferably not only attached to the front panel or cohesively connected to it, but is itself formed from the front panel.
- the front panel is in particular a sheet metal component. This sheet metal component has been rearranged in a U-shape so that the handrail is made of the material of the front panel itself.
- the handrail bridges the horizontal gap between the ends of the posts, so that the leveling element is seamlessly closed from the front to the top.
- the height adjustment can in particular be fixed so that the handrail presses firmly on the posts from above and thus provides additional stiffening in the area of the handrail. If the distance between the posts is to be changed, the handrail must be raised or its fixation loosened beforehand.
- the front panel is connected to the at least one center post. Fixing the front panel is very important, as it should not rattle or generally vibrate under the influence of sound or under the influence of vibrations that are to be introduced into the crowd lock.
- the front panel must be so stable that it cannot be bent back manually. At the same time, however, it should be light so that the transport weight of the level compensation element is not too high.
- the connection with the middle post, which extends from bottom to top, is ideal for supporting the front panel.
- the overlapping of the posts by means of the handrail ensures the correct orientation and parallel guidance to the posts.
- a connection to the outer posts is also theoretically possible, but requires more complex push connections on the back of the front panel.
- the middle post is preferably also arranged such that it can be displaced in height.
- a push connection is provided on the middle post. This thrust connection enables a height shift relative to the posts on the edge.
- the push connection is preferably post between the cross connector and the middle.
- the middle post which is connected to the edge-side posts via the actuating elements, has suitable abutments for this purpose, which also Allow height shift in the area of the control elements.
- housing-like bearing receptacles with suitable elongated holes are arranged on the mullions.
- the relatively high but slender front panel cannot slip between the outer posts because it is wider than the clear horizontal distance between the outer posts.
- the front panel can completely cover a vertically standing outer post in its vertical basic position.
- the guidance of the central post and thus the fixing of the front panel is improved if at least one guide arm is arranged at a parallel distance from the front panel and is guided vertically on the edge-side posts.
- a guide arm is arranged in particular on the back of the central post facing away from the front panel. In the simplest way, this can be a profile that fits into recesses in the edge-side posts or in the simplest case is only arranged on the rear sides of the edge-side posts, i.e. this engages behind.
- Such a guide arm can have the same width as the front panel.
- an H-shaped guide results in cross-section together with the central post, which prevents displacement of the central post towards the front in the central area as securely as Lift the front panel off the front or twist the front panel around a vertical axis.
- the at least one guide arm can, in particular, be wider than the vertical frame and, in the installation situation, can reach behind one or, if the width is appropriate, also partially behind both adjacent barriers.
- a guide arm serves at the same time as a stop when installing the level compensation element on a barrier or when installing an adjacent barrier on the level compensation element.
- the outer posts of the barrier or the leveling element must be congruent with each other so that they are in the Can easily be screwed together within the intended tolerances.
- the guide arm prevents the vertical frame from being bent relative to the vertical part of the adjacent barriers, despite all the screw connections.
- the height of the at least one central post is in particular infinitely adjustable with respect to the cross connector and can be fixed to the cross connector at the set height.
- the fixation can take place in particular via a tensioning device with a screw connection.
- the screw serves as a self-locking spindle to adjust the height of the middle post and thus to adjust the height of the front panel and the handrail.
- the necessary vertical tensile force can be applied via a screw mounted on the cross connector in order to pull the handrail against the posts from above in order to avoid a gap formation in the area of the handrail.
- the level compensation element according to the invention preferably has a very flat design, adapted to the depth of the transportable barriers in the vertical frame area.
- the vertical frame is connected to a frame-shaped floor assembly.
- This floor assembly also serves to connect adjacent barriers in the floor area at a parallel distance from one another.
- the base assembly is adapted to the design of the adjacent barriers and can have suitable coupling elements for a plug connection with adjacent barriers.
- the base assembly is preferably easily separable from the vertical frame and can be connected to it again. Screw connections can be made at exactly the same places where the barriers are usually to be screwed together. These are usually the same screw connections with which the vertical elements of the barriers are held in the desired position. For this purpose, corresponding openings are provided on the frame of the base assembly. At the same time, the vertical frame of the leveling element can also be attached to the floor assemblies via said screw openings. With a single screw, a connection of the vertical frame can Floor assembly and simultaneously to the adjacent barrier.
- the screws are removed so that the vertical frame can be separated from the floor assembly.
- the vertical frame can be coupled to the floor assembly for space-saving transport in a parallel arrangement.
- transport hooks can be arranged on the vertical frame. These transport hooks can hold the vertical frame on the floor assembly and vice versa. In this way, the right base assembly is always available for a vertical frame.
- the leveling element is preferably comparatively narrow with a width of 180 to 500 mm, preferably 200 mm to 300 mm. In contrast, common barriers have a width of over 1000 mm, e.g. 1080 mm.
- the leveling element has a compact design and enables a relatively large adjustment range for the angles to be set, even in confined spaces. With wider leveling elements, it may be necessary to support the vertical frame to the rear. This can be done via at least one rear, pivotally attached support, which is arranged at an acute angle to the vertical frame and to the floor assembly and can be coupled to the floor assembly.
- Such a support can be coupled to the vertically extending posts via suitable articulated connections.
- the base assembly preferably extends to the front and underside of the front panel to such an extent that it has the same dimensions as the corresponding base assemblies of adjacent barriers. This avoids steps and tripping hazards.
- the base assembly should preferably also extend to the rear and below the edge-side posts. In this way, gaps to adjacent floor modules of adjacent barriers are avoided. A simple screw connection is made possible.
- the level compensation element is integrated into the crowded barrier without any need to adapt the barriers.
- couplings for a power transmission in the longitudinal direction of the thrust block are arranged on the edge posts.
- the vertical frame is designed to transmit the forces acting on the couplings in a shear-resistant manner from one post on the edge to the other post on the other side. For this it is necessary that the couplings on the edge-side posts are designed to be shear-resistant.
- the couplings are, for example, openings, such as sleeves for inserting or inserting a screw bolt.
- the post can be screwed to the adjacent barrier via the at least one screw bolt.
- the post in turn is connected to the central post via the actuating element, in particular in the form of a spindle, and this in turn is connected to the other post on the edge via a further spindle.
- the post on the edge is in turn connected to the next barrier via its coupling and a corresponding screw connection. Overall, this creates a shear-resistant and tensile connection in the area of the crowbar.
- edge protection can be provided on the edges of the front panel.
- the edge protector can be a strip which is U-shaped in cross section and is guided over the edges. This can be a plastic lip.
- the thrust block according to the invention with at least one level compensation element, as described above, is characterized in that the level compensation element is narrower than adjacent barriers when viewed in the longitudinal direction of the thrust block.
- the leveling elements are special types of barriers that are not intended to bridge larger sections of the crowbar, but rather to accommodate uneven floors, e.g. Superscript or in the area of depressions to compensate.
- the level compensation element has a relatively narrow, rectangular cross section in its front view of the front panel. At larger angles it is possible to choose a cross-section for the front panel that is trapezoidal from the outset and tapers upwards. As a result, the entire leveling element is oriented with respect to its outer edges of the posts in order to be used in depressions in which the top-side runways of adjacent barriers are at a smaller distance from one another than the bottom-side floor assembly points vice versa.
- level compensation elements that already have a trapezoidal cross section in the basic position, which widens upwards.
- the front panel is therefore wider at the top than at the bottom. From the start, the posts on the edge are located at a greater distance in the upper flea area than in the lower flea area.
- one post is essentially vertical, while a second post is arranged at an angle from the outset.
- the front panel is trapezoidal, but with only one oblique side that runs from top to bottom.
- the narrower end can be at the upper end of the level compensating element or alternatively at the lower end of the level compensating element.
- the coupling means of the leveling elements are designed in such a way that no two leveling elements of identical construction can be coupled directly to one another. Crowds and stage grids are subject to extreme loads, which can only be made possible by a particularly rigid and rigid construction. Due to the adjustment options provided on the leveling elements and the associated pivot bearings in the invention, there is a certain amount of play in the area of the leveling element. If several such leveling elements were installed side by side, the play could add up in a negative way, so that the torsional rigidity of the entire crowd lock is adversely affected. Therefore, only one level compensation element is preferably always arranged between adjacent barriers.
- the leveling element according to the invention preferably has a width of approximately 200 mm, which can be widened to 280 mm at the upper end or can be reduced to 120 mm. This means that an angle change of approximately plus / minus 4 ° can be bridged continuously.
- the leveling element has a smooth front in the area of the front panel.
- the upstand in the area of the front panel is preferably not greater than 2 mm.
- Figure 1 is a front view of a crowbar in a first arrangement
- Figure 2 shows the crowbar of Figure 1 in a perspective view
- Figure 3 shows the crowd lock of Figure 1 in a further arrangement
- Figure 4 shows the crowbar of Figure 3 in a perspective view
- Figure 5 shows the leveling element of Figures 1 -4 in a perspective
- Figure 6 shows the leveling element of Figure 5 in a side view
- Figure 7 shows the level compensation element of Figures 5 and 6 in one
- Figure 8 is a rear view of the vertical frame of the
- Figure 10 is a perspective view of the level compensating element of
- FIG. 11 shows section B from FIG. 10
- FIG. 12 shows section C from FIG. 12
- Figure 13 is a perspective view of the edge post and a
- Figure 14 is a perspective view of a cross connector of the
- Figure 15 is a front view of the level compensating element at maximum
- FIG. 16 shows a rear view of the level compensation element of FIG. 15 with the lateral posts deflected to the maximum
- FIG. 17 shows a front view of the level compensating element of FIG. 15 with the posts folded maximally inwards
- Figure 18 is a rear view of the level compensating element of Figure 17 with posts and wasted to the maximum
- Figure 19 is a perspective view of a rear view of the
- FIG. 1 shows a front view of a crowbar 1 which has two identically transportable barriers 2, 3 and a level compensating element 4 between the two barriers 2, 3.
- FIG. 2 shows said crow lock 1 in a perspective view.
- the level compensation element 4 is narrowed above.
- FIG. 2 also shows a coordinate system, the abbreviations V for the front, Fl for the rear, L for the left, R for the right, 0 for the top and U for the bottom.
- This coordinate system and the terms for front, back, left, right, top and bottom are referred to below.
- Figures 1 and 2 show the crowbar from the front.
- the front of crowd lock 1 is the side on which are arranged the people who gather, for example, in front of a stage.
- Such a crowd lock 1 can also be referred to as a stage grille.
- the crowd lock 1 can be extended as required due to its modular structure. Only a partial section is shown.
- the barriers 2, 3 consist of metal, in particular steel or an aluminum alloy, and can be coupled rigidly to one another. To do this, they are precisely aligned and screwed together.
- the special feature of the illustrated blockage barrier 1 is the incorporation of a level compensation element 4.
- the level compensation element 4 is located between the two barriers and serves to connect barriers 2, 3 which are aligned in the longitudinal direction of the blockage barrier, but in relation to the vertical direction in Are at an angle to each other, for example because the ground level has a depression or the riot barrier rises or falls in the further course.
- Figures 1 and 2 show an embodiment in which a barrier 2 is aligned exactly horizontally and the floor level below the other barrier 3 rises slightly. The result of this is that the two barriers 2, 3 would abut each other in the area of their top handrail, but the foot area cannot be screwed together.
- the level compensation element 4 takes on this function as a bridge element and compensates for the angular offset in the vertical direction between the two barriers 2 and 3.
- the exemplary embodiment in FIG. 3 shows the crow lock 1 with exactly the same components, ie with the two barriers 2, 3 and with the leveling element 4 arranged between them, which connects the two barriers 2, 3.
- the terrain level in the image plane drops to the right, so that the right barrier 3 in the image plane is arranged lower at its right end than at its left end.
- the distance between the barriers 2, 3 at the handrail is greater than at the lower end.
- the same level compensation element 4 as in FIGS. 1 and 2 bridges the wedge-shaped or trapezoidal area between the barriers 2, 3. It is only set to an opposite angle, without that a gap or a weak point arises in the crowding block 1.
- the level compensation element 4 is set further above.
- FIG. 5 shows a leveling element 4 in a basic position and without the connected barriers 2, 3.
- the leveling element 4 has two main assemblies: a vertical assembly with a vertical frame 5 and a floor assembly 6.
- the floor assembly 6 comprises a rectangular frame composed of hollow profiles. In the basic position, the base assembly 6 is just as wide as the vertical frame 5.
- FIG. 6 shows a side view of the base assembly 6 and the vertical frame 5 of the leveling element 4, also in the basic position.
- the proportions of the vertical frame 5 and the base assembly 6 are adapted to the dimensions of the adjacent barriers 2, 3 (FIGS. 1-4).
- the barriers 2, 3 can be folded up after use and transported flat.
- the vertical frame 5 can also be placed flat on the base assembly 6.
- Figure 7 shows the transport position. For this is the vertical frame
- the vertical frame 5 was not independent, but is held in the installed position by the two adjacent barriers 2, 3. Also the connection to the floor assembly
- the base assembly 6 is only required in the installation position.
- the base assembly 6 is screwed to the vertical frame 5 and to the adjacent barriers 2, 3 at the same time.
- the base assembly 6 can thus be transported together with the vertical frame 5.
- FIG. 8 shows the vertical frame 5 in a view from the rear.
- the vertical frame 5 has a right-hand post 8 and a left-hand post 9 in the viewing direction from the rear to the front, and a middle post 10 between the two posts 8, 9.
- the two outer posts 8, 9 are pivotally mounted at their lower ends on a cross connector 11 .
- hinge pin 12 arranged, which extend from the front to the rear, so that the posts 8, 9 can be pivoted to the left and right.
- the transport hooks 7 are each arranged in the area of the upper ends of the posts 8, 9 and once in the area of the lower end of one of the posts 9.
- the transport hooks 7 are spring-loaded and, in the rest position, do not protrude beyond the outer edge sides 28, 29 of the posts 8, 9. They are pulled inwards by the spring force. They can be manually pulled outwards and snapped into place with the base assembly 6.
- the area between the outer post 8 and the middle post 10 is bridged by a front panel 13, as can be seen in FIG. 5 in the front view.
- the front panel 13 is a flat, flat sheet metal which extends from the foot region of the vertical frame 5 to its upper end.
- the front panel 13 is rectangular and in the position shown as wide as the level compensation element 14 in the basic position, i.e. if both posts 8, 9 are arranged parallel to each other and perpendicular.
- the front panel 13 extends from an outer side 28 of the right-hand post 8 to the opposite outer side 29 of the left-hand post 9.
- the front panel 13 is connected to the via a plurality of fastenings 14, in particular in the form of screws or welded connections
- the front panel is made of one piece of material into a flange run 15, as can be seen particularly well in FIG. 11.
- the front panel 13 is closed over the entire surface.
- the Flandlauf 15 consists of a U-shaped bevel, which adjoins the rear of the front panel 13 and overlaps all posts 8, 9, 10 on the top.
- FIG. 9 shows section A of FIG. 8. In the position shown, the three posts 8, 9, 10 run parallel to one another. You are in a basic position. The basic position is also that
- the middle post 10 is connected to the adjacent right post 8 or left post 9 via an adjusting element 16, 17.
- the control elements 16, 17 are in the height is offset from each other so that they are at a vertical distance from each other. They overlap in the horizontal direction.
- the actuating elements 16, 17 are configured identically because of their spatial position in mirror-inverted fashion.
- Each of the adjusting elements 16, 17 has an adjusting spindle 18, 19.
- the adjusting spindles 18, 19 each have a head 20, 21 with a tool engagement surface for an Allen key (FIG. 11).
- the adjusting spindles 18, 19 each pass through a bearing block 22, 23 on the right-hand post 8 or left-hand post 9.
- a washer 49 with a sufficiently large diameter is arranged between the respective head 20, 21 and the respective bearing block 22, 23.
- the bearing blocks 22, 23 each have openings for the spindles 8, 9 which are sufficiently large to be able to compensate for angular changes in the spindles 8, 9 relative to the bearing blocks 22, 23.
- the adjusting spindles 18, 19 also pass through a threaded body 24, 25 which is mounted in a housing 26, 27 in a rotationally fixed manner.
- the housing 26, 27 is fastened to a rear side of the central post 10.
- the housing 26, 27 is configured such that the threaded body 24, 25 is secured against longitudinal displacement in the direction of the adjusting spindle 18, 19 and also against rotation in the circumferential direction of the adjusting spindle 18, 19, but the openings in the housing 26, 27 are , through which the adjusting spindles 18, 19 also grip, so large that certain angular positions of the adjusting spindles 18, 19 can be compensated for relative to the housing 26, 27.
- inner surfaces of the housing 26, 27 or else the contact surfaces of the threaded body 24, 25 with the inner surfaces of the housing 26, 27 can be designed to be spherical, in order to avoid stresses with inclined adjusting spindles 18, 19, which both cause the Adjusting spindles 18, 19 would complicate, as would stresses in the housings 26, 27 and threaded bodies 24, 25.
- FIG. 9 shows that the adjusting spindles 18, 19 do not protrude beyond the outer sides 28, 29, but are in this position completely behind the posts 8-10.
- FIG. 11 shows a perspective view of FIG. 9. It can be seen that a coupling 30, 31 in the form of a cylindrical sleeve is arranged on the right-hand post 8 and the left-hand post 9 below the adjusting elements 16, 17. The longitudinal directions of the couplings 30, 31 are aligned with corresponding ones Couplings on the barriers 2, 3. Screw bolts are guided through these couplings 30, 31 in order to screw together adjacent components of the crowbar 1.
- coupling elements 32, 33 are arranged at the upper ends of the left and right posts 8, 9. These coupling elements 32, 33 can be easily recognized without the covering handrail 15 in the detailed illustration according to FIG. 13.
- the right in the image plane of Figure 13 coupling element 30 on the right post 8 is a nut.
- the matching counterpart is attached to the left post 9.
- the front panel 13 which is connected to the center post 10.
- the middle post 10 has a guide arm 36 projecting transversely on both sides approximately in the middle height region. It is fastened on the back of the middle post 10.
- FIG. 8 shows that the guide arm 36 protrudes on both sides over the edge-side posts 8, 9 and therefore even reaches over the posts of the barriers 2, 3 in the installed position (FIGS. 1-4).
- a special feature of the middle post 10 is that it can be shifted in height.
- the middle post 10 can be adjusted in height relative to the right and left posts 8, 9 via a vertical push connection 37.
- the vertical thrust connection 37 is realized by several contact points between the edge posts 8, 9 and the center post 10.
- the thrust connection 37 comes about in that the front panel 13 bears against the outer posts 8, 9 on the front side, while the guide arm 36 bears against the rear sides of the edge posts 8, 9.
- the handrail 15 engages around the upper ends of the posts 8, 9, or those there arranged coupling elements 32, 33.
- Another component of the vertical thrust connection is a contact point with the cross connector 11 at the foot end of the vertical frame 5.
- the structure of the cross connector 11 is shown in Figure 14.
- the cross connector 11 is initially a in the longitudinal direction of the barrier, ie. H. from left to right, extending connecting element with horizontal spacing of the arranged bores for receiving said hinge pin 12 (Figure 8).
- two downwardly projecting tabs 38, 39 are arranged on the cross connector 11.
- the two tabs 38, 39 have cross holes.
- the tabs 38, 39 can be screwed to the frame of the base assembly 6 via the transverse bores.
- the cross connector 11, designed as a flat iron rests with its narrow lower edge on the top of the base assembly 6 (FIG. 19).
- the pin 40 has a rectangular cross section to match the inner cross section of the central post 10. Preferably, all posts 8, 9, 10 have the same cross section .
- the pin 40 is a guide pin for the middle post 10.
- FIG. 12 shows that the pin 40 fits into the middle post 10 from below.
- the center post 10 is not fixedly connected to the pin 40, but with respect to it in the longitudinal direction of the pin 40, i.e. vertical, movable.
- the clamping device 41 comprises a spindle 42, in particular in the form of a screw bolt.
- the spindle 42 is rotatably mounted on a bearing block 43 on the back of the cross connector 11.
- a housing 44 there is a non-rotatable threaded body 45.
- the adjusting spindle 42 can be actuated.
- the housing 44 is pulled with the threaded body 45 downward in the direction of the cross connector 11.
- the middle post 10 is shifted downward.
- the front panel 13 is slightly shortened on the underside so that it does not come into contact with the base assembly 5. This can be seen, for example, in FIG. 15.
- the underside 47 of the front panel 13 is located slightly above the underside 48 of the cross connector 11.
- FIGS. 15 and 16 show a front and a rear view of the level compensation element 4.
- the adjusting spindles 18, 19 are adjusted to such an extent that the outer posts 8, 9 are each at a positive angle W1, W2 to the central longitudinal axis MLA of the Middle post 10 are arranged.
- the angles W1, W2 are identical in this exemplary embodiment. However, they can be set independently of one another. In this embodiment, they are each about 2 ° and therefore add up to the angle W3 of a total of 4 °.
- the width of the two outer posts 8, 9 is 40 mm.
- width B1 of the leveling element 4 has been increased by the width B2 (40 mm) starting from 200 mm.
- the total width in the upper area of the leveling element 4 is thus 280 mm.
- the width in the lower area remains unchanged.
- the front panel 13 completely covers the space between the posts 8, 9.
- the width B1 corresponds to the horizontal distance between the left and right posts, which can be set to a maximum without gaps.
- the tensioning device 41 is actuated at the lower end and the handrail 15 is pulled down over the middle post 10, so that no upturns greater than 2 mm to the top-side coupling elements 32, 33, which arise in this case under protrude the handrail 15.
- the coupling elements 32, 33 still grip under the handrail 15 even when the handrail 15 is pulled down, so that the handrail 15 has an abutment downward. It can be clearly seen from the illustration in FIG. 16 that the adjusting spindles 18, 19 are now at an acute angle to the central longitudinal axis MLA.
- FIGS. 17 and 18 show the reverse configuration to FIGS. 15 and 16, that is to say that the outer posts 8, 9 have been maximally adjusted inwards.
- FIG. 17 therefore shows no posts 8, 9 projecting on the edge, since they are located completely behind the front panel 13.
- the width B1 which corresponds to the width of the front panel 13, is significantly greater than the horizontal distance A1 between the edge posts 8, 9 (FIG. 18).
- the angles W1, W2 can also be compensated in the opposite direction and order of magnitude, ie in the sum of the angles W3.
- the front panel 13 is invariable in the width B1.
- the front panel 13 has a constant width B1 in all configurations, which also bridges the gap between the adjacent posts 8, 9 in this case. Since the front panel 13 is arranged on the front of the posts 8, 9, the front panel 13 also overlaps the adjacent barriers 2, 3 in a wedge shape in this case.
- the handrail 15 also overlaps the adjacent handrails of the barriers 2, 3. For this reason, the tensioning device 41 must first be released until the posts 8, 9 are screwed to the adjacent barriers and the adjusting devices 16, 17 are set correctly.
- the handrail 15 with the front panel 13 and the middle post 10 is pulled down over the tensioning device 41 until the handrail 15 rests on the adjacent handrails.
- the gap for example, be taped up with armored tape. Disassembly is done in reverse order.
- FIG. 19 shows a perspective view of the rear tensioning device 41 of the leveling element 4 in the installed position between two barriers 2, 3. It can be seen that the cross connector 11 rests on the top of the base assembly 6, while its downwardly projecting tabs 38, 39 between grasp the frame of the floor assembly 16. The dash-dotted line shows the position of bolts, not shown, which can be inserted through the transverse bores in the tabs 38, 39. Corresponding cross bores are located in the base assembly 6 of the level compensating element 4 and in the base assemblies of the adjacent barriers 2, 3.
- the adjusting spindles 18, 19, 42 are adjusted due to the long adjustment paths, in particular by means of an electrically operated screwing tool. For this reason, the heads of the adjusting spindles 18, 19, 42 are positioned in such a way that they can be easily reached and actuated by electrically operated screwing tools.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018107358.3U DE202018107358U1 (de) | 2018-12-20 | 2018-12-20 | Niveauausgleichselement und Gedrängesperre |
PCT/DE2019/101023 WO2020125854A1 (de) | 2018-12-20 | 2019-11-29 | Niveauausgleichselement und gedrängesperre |
Publications (1)
Publication Number | Publication Date |
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EP3899142A1 true EP3899142A1 (de) | 2021-10-27 |
Family
ID=65235398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19823897.4A Withdrawn EP3899142A1 (de) | 2018-12-20 | 2019-11-29 | Niveauausgleichselement und gedrängesperre |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3899142A1 (de) |
DE (1) | DE202018107358U1 (de) |
WO (1) | WO2020125854A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2641585B1 (fr) * | 1989-01-10 | 1991-04-19 | Guillet Sa | Systeme de liaison et de blocage de tubulures coaxiales |
NL1008328C2 (nl) | 1998-02-17 | 1999-08-18 | Robert De Boer | Dranghek. |
CA2278955A1 (en) * | 1999-07-23 | 2001-01-23 | George U. Le Heiget | Animal containment panelling |
GB2504456B (en) * | 2012-06-01 | 2018-06-06 | Garic Ltd | Temporary fencing panel |
-
2018
- 2018-12-20 DE DE202018107358.3U patent/DE202018107358U1/de active Active
-
2019
- 2019-11-29 WO PCT/DE2019/101023 patent/WO2020125854A1/de unknown
- 2019-11-29 EP EP19823897.4A patent/EP3899142A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
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DE202018107358U1 (de) | 2019-01-16 |
WO2020125854A1 (de) | 2020-06-25 |
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