EP1426523B1 - Scaffold platform - Google Patents

Abstract

A system of building construction scaffolding has upright and horizontal members linked by horizontal foot panels upper horizontal surfaces. The sheet metal panels are essentially downward-directed shallow metal boxes with short and long sidewalls. The long sidewalls esp. incorporate a regular series of small (20) and elongated (22) apertures.

Description

TECHNICAL AREA

The present invention relates to a scaffold floor for a scaffold, podium or a grandstand, in particular system scaffold with predetermined system dimensions, or as part of a work surface with a tread, two webs connected to the tread and frontally arranged connection units for releasably connecting the scaffold floor to supporting components, in particular Scaffolding components, wherein each web has a plurality of recesses through which a cross-connection profile rod can be inserted or a connection unit can be connected and which are arranged in web longitudinal direction in one or more predetermined grid / s, the recesses of the two webs are arranged congruently as seen in a side view.

STATE OF THE ART

There are scaffold floors of the type mentioned, for example, for use in the context of the known Layher flash scaffold system or Layher Allround scaffolding system known for a long time. The scaffolding floors have a U-shaped cross-section with formed on both longitudinal side edges, down-facing webs. About connection units, the scaffolding floors are mounted on the front side to cross bars of the scaffolding system. Such scaffold floors are used in large numbers of scaffolding systems and have proven themselves in the past.

In the US-A-4,984,654 is a scaffold floor of the type mentioned disclosed. This multi-part scaffolding floor has on the left and right side longitudinal edge arranged webs. The webs have grid-shaped recesses arranged vertically offset in the longitudinal direction, wherein hollow profiles are firmly connected as cross-connection profiles between the recesses or webs. These hollow profiles are used for permanent connection of the two webs and at the same time for connection of scaffold posts, which is accomplished by the scaffold post has in its lower end a protruding elastic profile which is inserted into the hollow profile from the outside and via an existing end plate in connection can be clamped with a screw screwed from the outside, wherein the tension is achieved in that by pressing the plate to the elastic profile of this widens and braced in the hollow section.

In the DE 195 15 062 A discloses a scaffolding floor, which has in its webs in the longitudinal direction grid-shaped recesses arranged. The recesses are made by cutting out the double-walled web in a U-shape and then bending the U-shape by 180 ° in the cut-out area, with the purpose of connecting the two wall parts of the double-walled web overall can achieve a higher load capacity.

In the DE 15 59 034 A a bifurcating scaffolding is described, which has two adjacently arranged scaffold floors, which are collapsible by hinges and can be removed or attached from located on the front side ladders. On the outside webs of the scaffold floor bolts are provided, which serve for the connection of perforated Diagonalstäben.

PRESENTATION OF THE INVENTION

Based on the cited prior art, the present invention has the object or technical problem to provide a scaffold floor, which increases the variability in the assembly and use of scaffolding systems, while maintaining its economic production, easy to install, allows a variable design of scaffolding floor surfaces, Even with already created scaffolding, and opens up opportunities to increase loads of scaffolding and reduce occurring under load deflections.

The scaffold floor according to the invention is given by the features of independent claim 1. Advantageous embodiments and further developments are the subject of claims dependent directly or indirectly from the independent claim 1.

The scaffold floor according to the invention is accordingly characterized in that the scaffold floor has a substantially U-shaped cross section with two spaced-apart webs with recesses, the recesses of each web in the longitudinal direction in an axis, and the length dimensions of the recesses in the longitudinal direction alternately a different Have measure.

By providing recesses, it is possible to insert cross-connection profile bars, which allows a coupling juxtaposed pads. At the same time, it is also possible to connect further elements at least temporarily, in the recess, via connection units, be it scaffolding components or other materials or equipment required as part of the activity of an artisan.

A connection of scaffolding components or other scaffolding floors with different system length dimensions is easily possible. Preferably, the recesses are arranged symmetrically to the longitudinal center of the web raster.

In order to produce a compatibility with the system dimensions of scaffolding components, which are already known in the market, an advantageous embodiment is characterized in that the grid dimension of the recesses is at least partially selected so that an integer multiple of the grid dimension the meter (1000 mm) results.

In order to ensure compatibility with regard to system framework components which are constructed on a metric system dimension and system framework components which are based on the system dimension of the known and proven Layher flash scaffold system or Layher all-round scaffold system, a particularly advantageous embodiment variant is characterized in that in that two recesses which are symmetrical to the longitudinal center of the web are arranged in an adapter pitch which is chosen to be so large that the sum of the adapter pitch and an integral multiple of the pitch of the remaining recesses results in a system dimension of the system framework.

A particularly well-proven in practice embodiment is characterized in that the grid dimension of the recesses 125 mm (millimeters) and the adapter grid size is 197 mm (millimeters). However, the grid dimensions can also assume other values. For example, advantageous adapter pitches are 197 mm + n * 250 mm, where n = 0, 1, 2, 3, ....

A preferred embodiment is characterized in that the recesses have a rounded inner contour, in particular circular and / or slot-shaped inner contour.

Alternatively, another proven embodiment is characterized in that the recesses have a polygonal inner contour, in particular a square or rectangular inner contour.

In order to further increase the stability in the connection or storage area of the recesses for connection units or connection profiles, an advantageous embodiment is characterized in that a cross-sectional stiffening is present in the peripheral area of a recess, for example, as a folded inward or outward or as a convex or concave Querschnittswölbung is trained.

As a material for the scaffold floors is for example steel, aluminum or plastic into consideration.

Furthermore, the variability is increased by the fact that in the recesses of the webs of the scaffold floors cross connection profile bars are used and these cross connection profile bars vertical connection profile bars - for example via pipe couplings - can be connected, in the same way a connection with the / above or below the scaffolding days / n can produce. Console units can then be coupled to these vertical connection profile bars at any height, wherein the described design of the grid system of the recesses of the webs of the scaffolding floors ensures that further scaffold floor coverings conforming to the system can be connected in a simple manner to the console units connected to the vertical connection profile bars.

Another great advantage of the scaffold floors according to the invention is that the provision of recesses reduces the weight of the individual scaffolding floor without adversely affecting the static load-bearing capacity. This weight saving significantly increases assembly and disassembly friendliness.

Finally, the recesses arranged in the webs of the scaffold bottoms form an easy way of attaching devices which serve in vertical transport or in the replenishment of material (for example elevator roller).

Furthermore, the existing in the webs of the scaffolding floors recesses offer easy options (for example, using S-shaped connection devices) tools, material, paint buckets, or garments or other equipment whose Positioning on the respective scaffold floor is at least temporarily not advantageous to hang or connect.

Furthermore, the recesses in the web of the scaffolding floors offer the possibility of providing hooking possibilities for handles, by means of which the scaffold floor can be inserted or removed more quickly.

Finally, the scaffolding floor according to the invention also offers the possibility of reducing stacked scaffold floors through the use of inserted cross connection profile bars and connected vertical connecting rods, the span of the scaffold floors, especially when the vertical connection profile bars are mounted directly on the ground or ground, which is particularly advantageous at high loads because this significantly reduces the deflections.

Furthermore, it is easily possible to form rigid corners within a scaffold system by connecting in a simple manner a connection profile bar to a plugged into the recess / s of the scaffold floor cross-connection profile bar and also connect the other end to the existing scaffolding components.

It is also easily possible to combine two or three coupled via the cross-connection profile bars scaffolding floors to a work surface, which can then be used for example by a suitable substructure as a working floor surface, in particular scissor table.

The provision of recesses in the webs of the scaffold floors also offers the advantageous possibility, fall protection measures almost in every position to be able to mount by, for example, the fall protection belt in a simple manner in each existing in almost any position recess of the web of the scaffolding floor.

To increase the flexural rigidity and load capacity and to reduce the deflection of individual scaffold planks, it is also possible to use cross-connection profile bars laterally reinforcing members, such as carrier profiles to connect, which can be done for example via pipe coupling units in a simple manner, if the carrier to be stiffened formed as tubes are.

Finally, it is possible in a simple manner, to use the laterally projecting end portion of inserted into the recesses of the scaffold floors connecting profile bars for the connection of railings or to the board board attachment.

As already mentioned, a wide variety of formations of the inner contour of the recesses can be used. Due to the possibility of mixing different hole shapes and pitch patterns, the connection of other components can be optimally utilized by implementing the possibility of many plug options in the longitudinal direction of the web of the scaffolding floor. With the scaffolding floor according to the invention it is possible to implement floors in the metric measure and, for example, in the system dimension of the known Layher scaffolding systems "Blitz" and "Allround". At the same time, the scaffold floor described can be used in different scaffolding systems, for example, depending on the design of the terminal units as Anschlußkralleneinheiten for hanging in upwardly open U-profiles, for hanging in round tubes or for hanging in pins.

Further embodiments and advantages of the invention will become apparent from the features further listed in the claims as well as by the embodiments given below. The features of the claims may be combined in any manner as far as they are not obviously mutually exclusive.

BRIEF DESCRIPTION OF THE DRAWING

Fig. 1a, b, c

schematische Perspektivdarstellung eines Gerüstbodens, der einen U-förmigen Querschnitt mit nach unten weisenden Stegen besitzt, wobei innerhalb der Stege in Längsrichtung rasterförmig angeordnete Ausnehmungen vorhanden sind, jeweils mit unterschiedlicher Ausgestaltung von stirnseitig vorhandenen Anschlusseinheiten,

Fig. 2

schematischer Querschnitt durch den Gerüstboden gemäß Fig. 1a entlang Schnittführung I-I,

Fig. 3a, b, c

schematischer Detailquerschnitt durch den Steg des Gerüstbodens gemäß Detail I von Fig. 2 mit konstruktiv unterschiedlicher Ausbildung einer Querschnittsversteifung im Randbereich der Ausnehmung,

Fig. 4a bis e

schematische Seitenansicht von Gerüstböden mit rasterförmig im Steg in Längsrichtung angeordneten Ausnehmungen mit unterschiedlichen Systemmaßen,

Fig. 5

schematische Seitenansicht von Gerüstböden, die nebeneinander anordenbar sind und über nicht dargestellte Querverbindungsprofilstäbe miteinander koppelbar sind, wobei die nebenseitig angeordneten Gerüstböden nach unten versetzt dargestellt sind,

Fig. 6

schematische Draufsicht auf eine Gerüstbodenfläche, bei der konsolflächenbildende Gerüstböden über vorhandene Querverbindungsprofilstäbe aufgesteckt sind,

Fig. 7

schematische Seitenansicht von Gerüstböden, die nebeneinander anordenbar sind und über nicht dargestellte Querverbindungsprofilstäbe miteinander koppelbar sind, wobei die nebenseitig angeordneten Gerüstböden nach unten versetzt dargestellt sind und gleichzeitig die Kopplung von nebeneinander liegenden Gerüstböden über zwei Systemfelder des Gerüstsystems hinweg dargestellt ist,

Fig. 8

schematische Draufsicht auf eine Gerüstbodenfläche, bei der konsolflächenbildende Gerüstböden über vorhandene Querverbindungsprofilstäbe aufgesteckt sind,

Fig. 9

schematische ausschnittsweise Perspektivdarstellung aus einem Gerüstsystem mit drei Gerüstetagen, wobei unter Einsatz von Gerüstböden mit im Steg vorhandenen Ausnehmungen in Verbindung mit durch die Stegausnehmung gesteckten Querverbindungsprofilstäben die Ausbildung von Konsolbereichen dargestellt ist (unterste Gerüstetage in Fig. 9) und unter Einsatz von Gerüstböden mit Ausnehmungen in Verbindung mit in die Ausnehmung eingesteckten Querverbindungsprofilstäben und an die Querverbindungsprofilstäbe angeschlossenen Vertikalverbindungsprofilstäben der Einsatz einer an den Vertikalverbindungsprofilstäben höhenmäßig beliebig anordenbaren Konsoleinrichtung dargestellt ist (mittlere und obere Gerüstetage gemäß Fig. 9),

Fig. 10

schematischer Teilausschnitt aus einem Gerüstsystem, bei dem übereinander angeordnete Gerüstbelagsebenen durch Einsatz eines Vertikalverbindungsprofilstabes, der an in die Ausnehmungen der Gerüstböden eingesteckte Querverbindungsprofilstäbe angeschlossen und der auf dem Boden gelagert ist,

Fig. 11

schematischer Teilausschnitt aus einem Gerüstsystem, bei dem übereinander angeordnete Gerüstbelagsebenen durch Einsatz von drei Vertikalverbindungsprofilstäben, die in die Ausnehmungen der Gerüstböden eingesteckte Querverbindungsprofilstäbe angeschlossen sind,

Fig. 12

schematische ausschnittsweise Seitenansicht eines Gerüstsystems, bei dem über in die Ausnehmungen zweier übereinander angeordneter Gerüstböden eingesteckter Querverbindungsprofilstäbe der Anschluss eines Diagonalprofilstabes dargestellt ist,

Fig. 13

schematische ausschnittsweise Seitenansicht eines Gerüstsystems, bei dem über in die Ausnehmungen eines Gerüstbodens eingesteckten Querverbindungsprofilstäbe der Anschluss von zwei Diagonalprofilstäben zur Ausbildung von biegesteifen Ecken dargestellt ist,

Fig. 14

schematische Detailperspektivdarstellung von nebeneinander angeordneten Gerüstböden, die durch in die Ausnehmungen der Stege eingesteckten Querverbindungsprofilstäbe statisch miteinander verbunden werden, wobei die Querverbindungsprofilstäbe an Obergurte von Gitterträgern angeschlossen sind (parallele Anordnung der Gerüstböden zum Gitterträger),

Fig. 15

schematische Detailperspektivdarstellung von nebeneinander angeordneten Gerüstböden, die durch Einstecken von Querverbindungsprofilstäben statisch miteinander in Wirkverbindung gebracht werden und die mit ihren Anschlusseinheiten in Obergurte von Gitterträgern eingehängt sind (senkrechte Anordnung der Gerüstböden zum Gitterträger) ,

Fig. 16a, b

schematische Querschnittsdarstellung durch einen Gerüstboden mit seitlich über in die Ausnehmungen der Stege des Gerüstbodens eingesteckten Querverbindungsprofilstäbe angeschlossenen Tragprofilen zur Erhöhung der Tragfähigkeit und zur Verringerung der Durchbiegung,

Fig. 17

schematische Detailperspektivdarstellung eines Ausschnitts aus einem Gerüstsystem, bei dem drei übereinander angeordnete Gerüstetagen über in die Ausnehmungen der Stege eingesteckten Querverbindungsprofilstäbe mit jeweils daran angeschlossenen Vertikalverbindungsprofilstäben statisch miteinander gekoppelt werden,

Fig. 18

schematische Perspektivdarstellung der Ausbildung einer Palette, gebildet durch nebeneinander angeordnete Gerüstböden, die über in die Ausnehmungen der Stege eingesteckten Querverbindungsprofilstäbe statisch mitwirkend miteinander verbunden sind,

Fig. 19

schematische Seitenansicht einer Arbeitsbodenfläche, die aus mehreren nebeneinander angeordneten und mittels in die Ausnehmungen eingesteckten Querverbindungsprofilstäben gekoppelten Gerüstböden besteht, wobei an die Querverbindungsprofilstäbe eine tragende Unterkonstruktion angeschlossen ist,

Fig. 20

schematische Seitenansicht einer Arbeitsbodenfläche gemäß Fig. 19 mit oberseitig an in die Ausnehmungen eingesteckten Querverbindungsprofilstäben angeschlossener Geländervorrichtung und

Fig. 21

schematische Seitenansicht von zwei hintereinander angeordneten Gerüstböden und einem Gerüstboden, der neben den beiden Gerüstböden anordenbar ist und über nicht näher dargestellte Querverbindungsprofilstäbe angekoppelt ist, wobei der nebenseitig angeordnete Gerüstboden nach unten versetzt dargestellt ist.

The invention and advantageous embodiments and developments thereof are described in more detail below with reference to the examples shown in the drawing and explained. The features to be taken from the description and the drawing can be applied individually according to the invention or to a plurality of them in any desired combination. Show it:

Fig. 1a, b, c

schematic perspective view of a scaffolding floor, which has a U-shaped cross-section with downwardly pointing webs, wherein within the webs in the longitudinal direction grid-shaped recesses are provided, each with a different configuration of end face existing terminal units,

Fig. 2

schematic cross section through the scaffold floor according to Fig. 1a along cutting guide II,

Fig. 3a, b, c

schematic detail cross section through the web of the scaffold floor according to detail I of Fig. 2 with structurally different design of a cross-sectional stiffening in the edge region of the recess,

Fig. 4a to e

schematic side view of scaffold floors with raster-shaped in the web longitudinally arranged recesses with different system dimensions,

Fig. 5

schematic side view of scaffold floors, which are arranged side by side and can be coupled to each other via cross-connection profile bars, not shown, wherein the scaffolding floors arranged side by side are shown offset down,

Fig. 6

schematic plan view of a scaffold floor surface, in which the surface forming scaffolding floors are fitted over existing cross-connection profile bars,

Fig. 7

schematic side view of scaffold floors, which can be arranged side by side and can be coupled to each other via not shown cross-connection profile bars, wherein the scaffold floors arranged side by side are shown offset down and at the same time the coupling of adjacent scaffolding floors is shown across two system fields of the scaffolding system,

Fig. 8

schematic plan view of a scaffold floor surface, in which the surface forming scaffolding floors are fitted over existing cross-connection profile bars,

Fig. 9

schematic fragmentary perspective view of a scaffold system with three scaffoldings, wherein the use of scaffolding floors with recesses present in the web in connection with inserted through the ridge cross-connection profile bars representing the formation of console areas is (lowest equipment days in Fig. 9 ) and using scaffolding floors with recesses in connection with cross-connection profile bars inserted in the recess and vertical connection profile bars connected to the cross-connection profile bars, the use of a console device which can be arranged at any height on the vertical connection profile bars is shown (middle and upper equipping position according to FIGS Fig. 9 )

Fig. 10

schematic partial section of a scaffolding system, in which superimposed scaffolding levels by using a vertical connection profile bar which is connected to inserted into the recesses of the scaffold floors cross connection profile bars and which is mounted on the ground,

Fig. 11

schematic partial section of a scaffolding system, in which superimposed scaffolding levels are connected by the use of three vertical connection profile bars, which are connected in the recesses of the scaffold floors cross-connection profile bars,

Fig. 12

schematic fragmentary side view of a scaffold system, in which over the recesses of two stacked scaffolding floors inserted cross-connection profile rods of the connection of a diagonal profile bar is shown,

Fig. 13

schematic fragmentary side view of a scaffold system, in which over the inserted into the recesses of a scaffold floor cross-connection profile bars of the connection of two diagonal profile bars is shown for the formation of rigid corners,

Fig. 14

schematic detail perspective view of juxtaposed scaffolding floors, which are statically interconnected by inserted into the recesses of the webs cross-connection profile bars, the cross-connection profile bars are connected to upper chords of lattice girders (parallel arrangement of the scaffold floors to the lattice girder),

Fig. 15

schematic detailed perspective view of juxtaposed scaffolding floors, which are statically brought into operative connection by inserting cross connection profile bars and which are hung with their connection units in upper chords of lattice girders (vertical arrangement of the scaffold floors to the lattice girder),

Fig. 16a, b

schematic cross-sectional representation through a scaffold floor with laterally connected via in the recesses of the webs of the scaffold floor cross-connection profile bars supporting profiles to increase the load capacity and to reduce the deflection,

Fig. 17

schematic detailed perspective view of a section of a scaffolding system, in which three superposed scaffoldings are statically coupled to each other via vertical cross-sectional profile bars inserted into the recesses of the webs, with respectively connected vertical connection profile bars,

Fig. 18

schematic perspective view of the formation of a pallet, formed by adjacently arranged scaffolding floors, which are statically cooperatively connected to one another via cross-connection profile bars inserted into the recesses of the webs,

Fig. 19

schematic side view of a working floor surface, which consists of a plurality of juxtaposed and coupled by means of inserted into the recesses cross connection profile bars scaffolding floors, wherein the cross-connection profile bars a supporting substructure is connected,

Fig. 20

schematic side view of a working floor surface according to Fig. 19 with railing device connected to the upper side at cross connection profile bars inserted in the recesses and

Fig. 21

schematic side view of two successively arranged scaffolding floors and a scaffold floor, which can be arranged next to the two scaffolding floors and is coupled via cross-connection profile bars not shown, wherein the scaffold floor arranged side by side is shown offset down.

WAYS FOR CARRYING OUT THE INVENTION

In Fig. 1a schematically a scaffold floor 10.4 is shown in a perspective, according to Fig. 2 a substantially U-shaped cross-section with a top side existing tread 12 with holes 13 and formed on the longitudinal side edges downwardly facing webs 14 has.

At the respective end faces downwardly facing Stirnendplatten 15 are formed, to which two terminal units 16 are connected, which have an L-shaped cross section with a downwardly pointing leg. Such connection units 16 are used to mount the scaffold floor 10.4, for example, in a horizontal bar of a scaffold system, which has an upwardly facing U-shaped profile cross-section.

In each web 14 through recesses 20, 22 are provided with closed inner peripheral contour. In this case, first recesses 20 are formed, which have a circular inner peripheral contour with the diameter L1 or H. In addition, second recesses 22 are present, which have the height H and the length L2.

The recesses 20, 22 are arranged symmetrically to the longitudinal center in a predetermined grid in the bar longitudinal direction.

The two first recesses 20, which are arranged symmetrically with respect to the center, have an adapter pitch A. The subsequent thereto to the front end side first and second recesses 20, 22 are arranged in the grid R. In this case, a circular first recess 20 and subsequently an elongated hole-shaped second recess 22 and so on is always present alternately.

The illustrated recesses 20, 22 are exemplary embodiments. There may also be recesses which have a polygonal inner peripheral contour, for example in the form of a square or rectangle.

In Fig. 1b is the end portion of the scaffold floor 10.4 shown, in which at the end face 15, a terminal unit 17 is connected, in their two End regions each having a continuous recess 19 and therefore can be mounted on the scaffold system existing pin. Fig. 1c shows the end portion of the scaffold board 10.4 with two connected to the front side 15 terminal units 18, which have a part-circular cross-sectional contour and are thus suitable to be mounted in round tube profiles.

As in Fig. 2 represented the recesses 20, 22 can be produced in a simple manner by punching. It proceeds according to the embodiment Fig. 2 the wall of the web to the recess 20, 22 out straight.

However, it is also possible to provide a cross-sectional reinforcement in the peripheral region of each recess. Possible embodiments of such a cross-sectional reinforcement, which is preferably produced by cold deformation, are in the Fig. 3a to c shown. According to Fig. 3a the cross-sectional reinforcement is implemented in such a way that a convex curvature 42 is impressed into the web wall immediately around the periphery of the recess 20. In Fig. 3b is a convex curvature 44 impressed in the edge region of the recess, which has a certain distance from the recess 20, that is, from the region of the convex curvature 44 to the edge of the recess, a wall projection 46 is present. According to Fig. 3c the cross-sectional stiffening is implemented in this embodiment in that the web wall in the peripheral edge region of the recess 20 has a folded edge 48, such that the folded edge 48 is slightly inclined inwards.

In the Fig. 4a to e are scaffolding floors 10, 10.1, 10.2, 10.3, 10.4 shown in a side view, which have different system lengths and respectively the same latching system with the locking dimensions A for the two inner first Recesses 20 and R for the remaining recesses 20, 22, wherein also here the first and second recesses 20, 22 are present alternately in the longitudinal direction. The illustrated scaffold floors 10, 10.1, 10.2, 10.3, 10.4 differ in their length to the effect that starting from the scaffold floor 10 according to Fig. 4e each additional scaffold floor shown above has a length extended by a fixed system raster length SR.

As in Fig. 4a illustrated is the grid of the recesses 20, 22 in the sum formed so that spaced recesses 20, 22 are present, the distance of which correspond to the system dimensions S1, S2, S3, for example, a system framework.

In the illustrated embodiment, the grid dimension A is 197 mm (millimeters) and the grid dimension R 125 mm (millimeters). The grid dimensions S1, S2 and S3 are 1572, 2072 and 2572 mm (millimeters). The system raster length SR is 500 mm (millimeters).

Due to the design of the recesses in the illustrated grid measurement system and the provision of oblong holes, a wide variety of system lengths for connecting system components can be implemented, which offers great advantages, in particular with regard to the variability of the use of such scaffold floors within a scaffolding system. This is particularly the case when a coupling takes place via the scaffolding floors via additional components, which will be described below. So it is no problem to implement the system dimensions of the well-known Layher Allround scaffolding system or Layher flash scaffolding system or to use scaffolding floors whose system dimensions are based on a metric system.

The coupling of adjacent scaffolding floors 10, 10.1 to 10.5 is in the Fig. 5 to 8 described by way of example. So shows Fig. 6 a plan view of the framework bottom surface of a system framework. The normal framework field has vertical stems 24 and horizontal bars 26 which connect the vertical stems 24 together (connections not shown in detail) and in which the framework floors 10 are suspended via their connection units 16. The scaffolding surface formed by the two scaffold floors 10.3 can now be extended in a simple manner with scaffold console surfaces. For this purpose, transverse connecting profile bars 30 are inserted through the corresponding recesses 20, 22 at the corresponding points in the transverse direction, which laterally project beyond the two scaffolding floors 10.3 in the inserted state. On the projecting region of the cross-connection profile bars 30 are from the outside two scaffolding floors 10 (in Fig. 6 left above) and two scaffolding floors 10.2 (in Fig. 6 Bottom right shown), that is, the cross-connection profile bars 30 are threaded into the corresponding recesses 20 and 22 of the scaffold floors 10 and 10.2. The cross-connection profile bars 30 furthermore have a protrusion on both sides, to which fixation units can be detachably connected, which prevent a gap from forming between the attached scaffolding floors 10 or 10.2. The cross-connection profile bars 30 have the further effect that the existing scaffolding floors 10.3 of the system framework cooperate statically co-supporting, that is used in only one load of a scaffold floor 10.3 of the adjoining for load transfer, which has a reduction of the deflection result.

As cross-connection profile bars 30, for example, steel round tubes can be used, which have a diameter of 33.7 mm (millimeters), which diameter in Steel profile range is common. At the same time, the recesses 20, 22 have a height H which is slightly larger than the diameter of the inserted transverse connection profile bars 30.

The fixing units 40 may preferably be formed as pipe coupling units, which will be used in large numbers in scaffolding construction and then at the same time still offer the possibility to allow in addition to the fixation of adjacent scaffold floors and the connection of other scaffolding profile elements.

In Fig. 5 is schematically shown in a side view of the connection of scaffolding floors 10 to a scaffold floor 10.3 with different length offset, wherein adjacently arranged scaffolding floors 10.3, 10 in Fig. 5 are arranged one below the other. Corresponding recesses 20, 22, through each of which a cross-connection profile bar can be inserted, are schematically linked to arrows P.

Fig. 8 shows by way of example a further embodiment of the training of console surfaces by laterally attaching scaffolding floors 10.2, 10.3 on in existing scaffold floors 10.4 inserted cross-connection profile bars 30. It is also possible to achieve scaffold floor expansions that extend at least partially over two scaffolding fields (in Fig. 8 shown below).

Fig. 7 shows similar to Fig. 5 the arrangement of juxtaposed scaffolding floors with different length offset partly running over two scaffolding fields, whereby here also the adjoining scaffolding floors are arranged vertically offset in the representation. Corresponding recesses 20, 22, through each one Cross-connection profile bar can be introduced are schematically linked to arrows P.

In Fig. 9 is a section of a system framework such as the Layher flash scaffold system shown, are used in the frame members with vertical stems 24 and horizontal bar 26. Overall, three scaffolding floors are shown. Each scaffold floor is formed by two suspended in the horizontal bar 26 scaffold floors 10.4. Through the recesses in the webs 14 of the scaffold floors 10.4, two cross-connection profile bars 30 are respectively inserted in the third and third points in each case by both adjacently arranged scaffolding floors 10.4 on the upper and middle scaffold floor, which project slightly beyond the front side. In this projecting area, in each case a vertical connection profile bar 32 is connected via coupling units not shown to the cross-connection profile bar 30 of the upper and lower equipment days. Through these two vertical connection profile bars 32, a support structure is provided on the - as in Fig. 9 exemplified - more scaffolding elements as in the present case console units 38 can be connected. The vertical connection profile bars 32 are standard scaffolding tubes and, due to the geometry of the grid dimension of the recesses of the scaffolding floors 10.4, are arranged in the longitudinal direction in the framework system dimension S2. As a result, in a simple manner in the two console units 38, a system scaffold floor 10 can be hung easily. A major advantage of this design is that the console units 38 can be connected at virtually any height (arrow h) between the upper and middle scaffold floor levels.

In the lower scaffold floor, two scaffolding floors 10.4 are also suspended in the horizontal bar 26.

In the third points are through the recess of the scaffolding floors 10.4 cross-connection profile rods 30 inserted therethrough, which project forward and form a cantilever. In this overhanging area, two further scaffolding floors 10.4 are plugged on, so that a console surface results which corresponds to the scaffold floor area within the system scaffolding. In order that no gap forms between the plugged-on scaffold floors, in the protruding remaining end area of the cross-connection profile bars 30 in FIG Fig. 9 fuser units not shown in detail.

In Fig. 10 is a side view of a portion of a scaffolding system shown in which in each scaffold floor 10.4 in a vertical line each a cross-connection profile bar 30 is inserted through the corresponding recesses, wherein at its überkragendem end a vertical connection profile bar 32 is connected in each scaffolding floor level, except for the ground is guided. As a result, the span of the respective scaffolding floors 10.4 is about halved, which has increased payloads and lower deflections under load result.

Fig. 11 differs from the presentation according to Fig. 10 in that in this embodiment a total of three vertical connection profile bars 32 are connected to cross connection profile bars 30.

In Fig. 12 schematically shows the connection of a formed as a diagonal bar connection profile bar 34 is shown, which is also connected via inserted cross-connection profile bars 30, which are inserted inserted in a corresponding positioning on the scaffold floor 10.4.

Fig. 13 shows the possibility, by means of inclined connecting profile rods 34, which are each connected to a cross-connection profile bar 30 and a vertical stem 24 to produce rigid frame corners.

Fig. 14 shows a fragmentary perspective view of the formation of a scaffold floor surface between two lattice girders 50 in a first embodiment. Between the two lattice girders 50, at the level of the respective upper chord 52, four scaffolding bottoms 10.4 extending parallel to the upper chord 52 are arranged, which are coupled to one another via two cross-connection profile bars 30 arranged approximately in the thirds. The end regions of the cross-connection profile bars 30 are connected to the upper flange 52 of the respective lattice girder 50 via schematically illustrated connection units 54. The connection units 54 may be, for example, pipe coupling units, provided that the top flange is designed as a tubular profile.

A further embodiment variant for forming a framework floor surface between two lattice girders 60 is shown in FIG Fig. 15 shown schematically in perspective. The scaffold bottoms 10.4 arranged between the two spaced lattice girders 60 at the level of the respective upper girths 62 run perpendicular to the upper gill 62 and are suspended in a simple manner via their connection units in the upper girth 62 designed as an upwardly open U-profile. Approximately in the third-third points are parallel to the lattice girder 60 through the recesses of the webs of the scaffolding floors 10.4 cross-connection profile bars 30 inserted, which connect the adjacent scaffolding floors 10.4 to a common plate. Also in this construction loads that are on a scaffold floor 10.4 occur, not alone removed from this one scaffold floor but distributed to adjacent scaffold floors 10.4.

Fig. 16a and b show schematically in cross section a way to increase the load of a scaffold floor 10.4 in a simple manner. For this purpose, parallel to the longitudinal edge of the scaffold floor 10.4 support profile carrier available, according to Fig. 16a as I-profile 70 or as tube profile 72 according to Fig. 16b can be trained. The profiles 70, 72 are used to carry static under load in that at least one cross-connection profile bar 30 is inserted through the web recesses 20 of the framework floor 10.4, whose respective end region is connected to the I-profile 70 or the tube profile 72. In this connection units 74.1 and 74.2 are used, which are adapted to the corresponding geometry of the respective profile 70, 72.

In Fig. 17 schematically a section of a scaffolding system is shown, in which also vertical connection profile connecting rods 32 are connected to cross-connection profile bars 30, similar to the in 10 and 11 illustrated embodiments. However, here the connecting profile bars 32 are not led to the bottom area but couple three superimposed scaffold floor, so that a load occurring on a scaffold floor distributed on three scaffolding floors. In contrast to the representation in Fig. 10 Here are still two spaced vertical connection profile bars 32 used. The vertical connection profile bars 32 are connected to the cross connection profile bars 30 both on the front side and on the rear side of the system frame.

Fig. 18 schematically shows the formation of a pallet, which is formed in the embodiment by five juxtaposed scaffolding floors 10.4, wherein in the recesses of the webs a total of four cross-connection profile bars 30 are inserted in a relatively narrow grid. Means for releasably fixing the cross connection profile bars 30 in the inserted state are in Fig. 18 not shown in detail.

Fig. 19 schematically shows the formation of a so-called scissor table, in which, for example, two adjacently arranged scaffolding floors 10.4 are present as a working floor surface. Through the recesses of the framework floors 10.4 a total of four cross-connection profile bars 30 are inserted in the end and in the thirds points, so that the two adjacent scaffolding floors 10.4 act as a plate.

To the two outer cross-connection profile bars 30, a vertical rod 80 is connected via pipe coupling units, not shown, which is supported on the ground. To stabilize the scissors table, two diagonal bars 82 are present, which together with the scaffold floor 10.4 and the vertical bar 80 form a bending-resistant corner. The diagonal bars 82 are connected on the upper side in each case to the cross-connection profile bars 30 inserted in the third-point points and are connected on the underside in the lower end area of the vertical bar 80.

Fig. 20 schematically shows the simple connection of a railing construction 84 consisting of vertical stems 86 and horizontal bars 88 to a scaffold floor 10.4 with Stegausnehmungen by the vertical stems 36 are connected in the protruding end of inserted into the recesses of the scaffold floor 10 cross connection profile bars 30 in a simple manner.

Inserted cross-connection profiles can also be used as a lifting protection for scaffold floors by connecting the profiles firmly to the floor via connected elements.

In Fig. 21 are two consecutively arranged steel scaffolding floors 10.5 shown, each having an enlarged Adapterrastermaß AS and each have in their thirds three arranged in grid R recesses 20, 22.

The grid dimension in the illustrated embodiment is 1197 mm (millimeters) and the grid dimension R 125 mm (millimeters). The pitch AS can be formed according to the formula 197 mm + n * 250 mm, where n = 0, 1, 2, 3, ....

Below is a scaffold floor 10.4 is shown, which is arranged laterally offset to the two scaffold floors 10.5 and is coupled via not shown cross-connection profile bars to the two scaffolding floors 10.5. Corresponding recesses 20, 22, through each of which a cross-connection profile bar can be inserted, are schematically linked to arrows P.

The provision of only three recesses 20, 22 in the area of the thirds points allows relatively high loads for the scaffold floor 10.5, but at the same time given by the recesses variable connection options are given.

Claims (12)

1. Platform (10) for a scaffold, podium or a stand, in particular system scaffold with predetermined system dimensions (S1, S2, S3), or as part of a working surface, having

   - a walk-on surface (12),

   - two crosspieces (14), which are attached to the walk-on surface (12), and

   - end-side attachment units (16) for the releasable attachment of the scaffold platform (10) to load-bearing components, in particular scaffold components, wherein

   - each crosspiece (14) has a plurality of apertures (20, 22) through which a transverse profiled connecting bar (30) can be plugged, or an attachment unit can be attached, and which are arranged at one or more predetermined unit spacing/s (A, R), as seen in the longitudinal direction of the crosspiece,

   - wherein the apertures (20, 22) of the two crosspieces (14) are arranged congruently, as seen in side view,

   characterized in that

   - the scaffold platform (10) has essentially a single-piece U-shaped cross section with two crosspieces (14) which are integrally formed at a spacing apart from one another and contain apertures (20, 22),

   - the apertures (20, 22) of each crosspiece (14) are located along an axis in a longitudinal direction, and

   - the length dimensions (L1, L2) of the apertures (20, 22) differ alternately in the longitudinal direction.
2. Scaffold base according to Claim 1,
   characterized in that

   - the apertures (20, 22) are arranged at unit spacings symmetrically in relation to the longitudinal centre of the crosspiece (14).
3. Scaffold platform according to Claim 1 or 2,
   characterized in that
   the unit-spacing dimension (R) of the apertures (20, 22) is selected, at least in certain regions, such that a whole-numbered multiple of the unit-spacing dimension (R) is equal to a metre (1000 mm).
4. Scaffold platform according to one or more of the preceding claims,
   characterized in that
   two apertures (20) which are present symmetrically in relation to the longitudinal centre of the crosspiece are spaced apart by an adaptor unit-spacing dimension (A) which is selected to be such that the sum of the adaptor unit-spacing dimension (A) and a whole-numbered multiple of the unit-spacing dimension (R) of the rest of the apertures (20, 22) is equal to a system dimension (S1, S2, S3) of the system scaffold.
5. Scaffold platform according to Claim 3 or 4,
   characterized in that
   the unit-spacing dimension (R) is 125 mm (millimetres).
6. Scaffold platform according to Claim 4 or 5,
   characterized in that
   the adaptor unit-spacing dimension (A) is 197 mm (millimetres) + n * 250 mm (millimetres), where n = 0, 1, 2, 3, etc.
7. Scaffold platform according to one or more of the preceding claims,
   characterized in that
   the apertures (20, 22) have a rounded inner contour, in particular a circular and/or slot-like inner contour.
8. Scaffold platform according to one or more of preceding Claims 1 to 6,
   characterized in that
   the apertures have a polygonal inner contour, in particular a square or rectangular inner contour.
9. Scaffold platform according to one or more of the preceding claims,
   characterized in that
   a cross-sectional reinforcement is present in the peripheral/circumferential region of the respective aperture (20, 22).
10. Scaffold platform according to Claim 9,
    characterized in that
    the cross-sectional reinforcement is formed by an inwardly or outwardly oriented angled portion.
11. Scaffold platform according to Claim 9,
    characterized in that
    the cross-sectional reinforcement is formed by a concave or convex curvature of the cross-sectional contour.
12. Scaffold platform according to one or more of the preceding claims,
    characterized in that
    the scaffold platform consists of steel, aluminium or plastic.

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