EP3230537B1 - Truss frame, modular truss girder and bridging and/or support construction - Google Patents

Description

The invention relates to a truss frame for building a bridging and / or supporting structure, in particular for the construction of a modular truss bearer for a bridging and / or supporting structure or a bridge and / or supporting structure, such as pedestrian bridge, catwalk, podium or scaffolding or support for a Scaffold or scaffolding, substructure for a scaffold or podium or a scaffold or podium, or suspension for a suspension scaffold or a suspension scaffold, the truss frame consists of several, detachable, rod-shaped items made of metal, especially steel, namely at least two elongated, each extending in the direction of its longitudinal axis, each having an outer periphery (44) having, parallel post pipes, at least two elongated, each extending in the direction of its longitudinal axis, parallel Querriegeln, perpendicular to the post pipes extend, and from at least one, elongated, adjustable by means of an integrated length adjustment means in its length, in particular backlash-mounted, diagonal element, extending in the direction of its longitudinal axis between itself diagonally opposite corner regions of the truss frame, each post tube of the post tubes facing away from Pfostenrohrenden, to each of which two parallel connection plates are fixed, which are parallel to the longitudinal axes of the post tubes and parallel to the longitudinal axes of Crossbars extending, and wherein each crossbar has mutually away facing crossbar locking ends, which are each hinged and releasably secured to an associated terminal plate of the connection plates by means of a respective bolt, and wherein the at least one diagonal element facing away from each other diagonal element ends, each at an associated terminal plate of Connecting plates are pivotally and releasably secured by means of a respective bolt, and wherein the bolts have bolt axes which extend transversely or perpendicular to the longitudinal axes of the post pipes and the cross bar, u nd wherein at least two or at least three or at least four or at least five connecting elements for connecting scaffolding components and / or to scaffold components are welded to each post tube in a distance corresponding to an integer multiple of a grid dimension of a modular scaffold.
Such a framework framework is for example from the DE 10 2009 021 424 A1 or the parallel EP 2 253 764 A2 become known to the applicant.

EP 2 253 764 A2 discloses the preamble of claim 1. Several of these truss frames can be assembled into a modular truss girder, which has become known in practice under the name Layher Allround bridge girder. This bridge girder, for example, is over-dimensioned for spans of approx. 13 m to 20 m with a traffic load of approx. 0.5 kN / m ² and therefore not economical for these spans. An increase of the binder is possible due to an adjustable diagonal bracing. A major disadvantage of this bridge carrier is that it has to be mounted outside the system dimensions of the modular scaffold system. In addition, the weight of the heaviest item of truss frame is 56 kg, so that a hoist is required for installation.
It is an object of the invention to provide a truss frame of the type mentioned above, which is particularly easy and inexpensive to produce at advantageous Längenverstell- and clamping possibilities of its diagonal element, the advantageous possibilities for cultivation and / or further construction within the horizontal and vertical system dimensions of known modular scaffolding, in particular of the Layher Allround modular scaffold or for compatibility with these modular scaffoldings and also offers advantageous possibilities for manual handling of the heaviest item, so that a hoist is avoidable.

This object is achieved in a truss frame according to claim 1, characterized in that it is the connecting elements to rosettes for connection of and / or to connection heads of scaffolding components, and that in the region of each post pipe end attached two parallel connection plates in a longitudinal axis of the respective Post tube, preferably also the longitudinal axis of the respective cross bar, containing common imaginary plane are arranged and extend away from each other, and that in the region of or at least two, each same crossbar associated post pipe ends of the post pipes each one Outer circumference of the respective post tube is fully, preferably uninterrupted, enclosing connecting body is welded, and that in the region of these post tube ends of the post tubes attached respective two connection plates are at least either welded to the respective connecting body or to the respective connecting body and to the respective post tube.

Due to the fact that the connecting elements are rosettes for connecting and / or connecting heads of scaffolding components, advantageous possibilities for attachment and / or further construction within the horizontal and vertical system dimensions of known modular scaffolds, in particular the Layher Allround modular scaffolding or for a compatibility with these modular scaffolding realized.

The fact that the two parallel connecting plates fastened in the region of each post tube end are arranged in a common imaginary plane containing the longitudinal axis of the respective post tube, preferably also the longitudinal axis of the respective transverse bar, and extend away from one another, and that in the region of or at least two, in each case the same crossbar associated post pipe ends of the post pipes each a the outer periphery of the respective post tube fully, preferably uninterrupted or uninterrupted, enclosing connecting body is welded, and that in the region of these post pipe ends of the post pipes attached respective two connection plates at least either on the respective connecting body or on the respective connecting body and are welded to the respective post tube, which can be said about the cross bar transferred "incoming" forces particularly advantageous substantially on the connecting body and are transferred from this to a further connection plate of the connection plates and, if at this other connection plate another cross bar, preferably parallel to the said cross bar of the truss frame, preferably at the same crossbar height, is releasably secured to be transferred to this other cross bar. Furthermore, overstressing, for example compression, of the respective post tube of the post tubes in the respective connection region is prevented, in particular because of the outer circumference of the respective post tube in full, preferably uninterrupted or uninterrupted, surrounding connecting body.

The measures according to the invention overall, the weight of the heaviest item, namely the respective post tube, be significantly reduced, in particular to only 15 kg, so that an assembly without lifting equipment is manually possible.

The post pipes are preferably round pipes or post round pipes. As a result, special accessories, such as special adapters or special couplings, can be dispensed with in order to connect the truss frame or truss to an existing modular scaffolding within the system dimensions.

According to a particularly preferred embodiment it can be provided that in each case a rosette of rosettes is arranged in the area or in the vicinity of at least those post pipe ends to which the respective connecting body is welded, and that in each case a rosette part this rosette protrudes into and through a receiving slot of each connecting plate of the respective two connecting plates fastened in the region of these post tube ends. As a result, an even further improved transmission of force in the critical connection area and a further reduced weight can be achieved, and connection possibilities in the grid dimension also result in this area.

It can be provided according to an advantageous development that each receiving slot having connection plate is welded to the connecting body, to the post tube and to the rosette. This makes it possible to achieve an even better power transmission in the critical connection area.

It may preferably be provided that at least two of the connecting bodies are connecting sleeves and / or that at least two of the connecting bodies are connecting rosettes or connecting discs, with or without apertures. Such connection bodies are particularly simple and inexpensive to produce or available.

According to a preferred embodiment, it can be provided that each connection sleeve of the at least two connection sleeves is designed such that a connection head of a frame component can be fixed by means of a connection wedge to a rosette associated with the respective connection sleeve without collision with the connection sleeve or without collision.

According to a very particularly preferred embodiment, it may be provided that each, preferably substantially circular cylindrical, connecting sleeve of the at least two connecting sleeves has an outer diameter which is selected such that between a connecting wedge, by means of which the connection head of the scaffold component is releasably keyed to the associated rosette and the outside diameter spanning, preferably substantially circular cylindrical, outer surface of the connecting sleeve a gap is trained. Preferably, the gap is about 1 mm to 2 mm.

The above measures make it possible to further improve the compatibility of the truss frame according to the invention with known modular scaffolds, in particular with the Lahyer Allround modular scaffold, with extended connection possibilities for or from system-compatible scaffolding components.

According to an advantageous development, it can be provided that the diagonal element comprises a length adjusting and tensioning device, by means of which the diagonal element can be shortened in its length, so that an elevation and / or prestressing of the truss frame or truss or truss truss comprising the truss frame can be adjusted. In ready-assembled state of the truss frame according to the invention, the diagonal element is mounted without play.

According to a preferred embodiment it can be provided that each rosette of the rosettes of the immediately adjacent rosette Rosettes in a distance corresponding to the simplicity of the grid dimension is welded together to the respective post tube. As a result, the compatibility with known modular scaffold systems, in particular with the Layher Allround modular scaffold system, is further improved and additional connection possibilities for scaffold system components are created.

According to a very particularly preferred embodiment, it may be provided that each post tube of the post tubes has a rosette closest to the respective post tube end and that at least one post tube of the post tubes is connected to a scaffold post of a modular scaffold by means of a preferably commercially available tubular connector the scaffolding handle a plurality of rosettes are fixed in a grid spacing corresponding to each other, of which each rosette is designed substantially the same as the rosettes of the post pipes, and wherein a scaffold stem of the scaffold stem nearest rosette of the scaffold stem from the nearest rosette of the post tube end a rosette distance which corresponds to an integer multiple of the pitch or the pitch of the pitch. Through these measures, a cultivation and / or further construction, both within the vertical system dimensions and within the horizontal system dimensions of known modular scaffoldings, especially of the Layher Allround modular scaffolding is particularly possible. This is in contrast to the situation in the above-mentioned Layher Allround bridge girder, in which structurally caused a lateral offset of the longitudinal axis of the vertical posts used there, at which side connection heads are attached to the longitudinal axes of these connecting heads by means of their connecting wedges releasably mediate their rosettes connectable scaffolding components. Apart from that, if you want to continue building coaxially with the longitudinal axis of the posts of the bridge girder within the vertical system dimensions, there must be a special accessory in the form of a rosette Post attachment provided, handled separately and plugged into the square tube of the post of the bridge girder. This is expensive.

According to a preferred embodiment it can be provided that at least one rosette of the rosettes or at least two or at least three or at least four of the rosettes through holes for inserting a connection element of a connection head of a scaffold component and / or for passing a connection wedge for wedging a connection head of a scaffold component to a rosette the rosettes and / or that it is at least one rosette of rosettes or at least two or at least three or at least four of the rosettes are perforated discs. As a result, a special compatibility with known modular scaffolding, in particular with the Layher Allround modular scaffolding can be achieved.

According to a particularly preferred embodiment, it may be provided that the length adjustment means is a length adjustment and tensioning element which has a first thread in the region of its first end or at its first end and which in the region of its from the first end, preferably in an opposite direction, facing away from the second end or at its from the first end, preferably in an opposite direction, facing away from the second end has a second thread, and that the diagonal element comprises a first diagonal bar and a second diagonal bar, wherein the first diagonal bar has at its first diagonal bar end a second thread, and wherein the second diagonal bar has at its first Diagonalstabende a first thread, and wherein the first thread of the Längenverstell- and Clamping element with the first thread of the second diagonal bar relative to each other rotatable about a first axis of rotation, preferably releasably, is screwed, and wherein the second thread of Längenverstell- and clamping element with the second thread of the first diagonal bar relative to one another, preferably coaxially to the first axis of rotation arranged, second rotational axis rotatable, preferably releasably, is screwed, and that the first thread of the Längenverstell- and clamping element, the second thread of Längenverstell- and clamping element, the first thread of the second diagonal bar and the second thread of the first diagonal bar in each case in a same direction are rotating threads, so either right-handed thread or right-hand thread or left-handed thread or left-hand thread are, and wherein the first thread of the Längenverstell- and clamping element and thus screwed first thread of the second diagonal bar each have a first pitch, so identical first Steigun gene, and wherein the second thread of the Längenverstell- and clamping element and screwed therewith the second thread of the first diagonal bar each have a second pitch, so identical second pitches, which is different from the first pitch or are different. By these measures can be achieved particularly advantageous Längenverstell- and clamping possibilities of the diagonal element. Characterized in that the first internal thread, the second internal thread, the first external thread and the second external thread are respectively in the same direction rotating threads and that the first internal thread and the first external thread each having a first pitch, while the second internal thread and the second external thread each have a second slope, which is different in size from the first slope, more accurate Verspann opportunities are created as using a Längenverstell- and tensioning element according to the prior art, which has a right-handed internal thread and a left-handed internal thread whose pitch is identical, in combination with two diagonal bars according to the prior art, each rotating in the same direction external thread with each have identical pitch, such as the internal threads of Längenverstell- and clamping element according to the prior art. Längenverstell- and clamping elements according to the prior art, which are also referred to as turnbuckles, always have at their ends facing away from each other with identical or identical pitches, with one of the threads is always a right-hand thread and another of the thread is a left-hand thread is. In the embodiment according to the invention, the length adjustment and tension is made possible by the different pitches in combination with the rotating in the same direction threads. As a result, on the one hand, rapid length adjustment or clamping can be achieved and, on the other hand, accurately adjustable length adjustment or clamping.

According to an advantageous embodiment, the first thread and the second thread of the length adjustment and tensioning element can each be an internal thread and the second thread of the first diagonal bar and the first thread of the second diagonal bar can each be an external thread , It is understood, however, that the first thread and the second thread of the length adjustment and tensioning element can each be an external thread and that the second thread of the first diagonal bar and the first thread of the second diagonal bar are each one Internal thread can act. Also, other thread combinations are conceivable in which the Längenverstell- and clamping element has both an internal thread and an external thread, while it is the first thread of the second diagonal bar to an internal thread and the second thread of the first diagonal bar to an external thread or while it the first thread of the second diagonal bar is an external thread and the second thread of the first diagonal bar is an internal thread.

According to a preferred development, it can be provided that the first pitch is at least twice greater than the second pitch and / or that the first pitch is at least 5 mm or approximately 10 mm and that the second pitch has an amount that is either in one Range is 1 mm to 4 mm or about 3 mm. As a result, the above advantages can be achieved to a particular extent.

According to a preferred embodiment it can be provided that the first thread of the Längenverstell- and clamping element and the first thread of the second diagonal bar are each associated with a first thread type, ie identical first thread types, and that the second thread of Längenverstell- and clamping element and the second thread of the first diagonal bar are each associated with a second thread type, ie identical second thread types, which are different from the first thread type. These measures are in contrast to the known from the prior art constructions in which the internal thread of Längenverstell- and clamping element or the turnbuckle and the associated external thread the diagonal bars always have identical thread types.

According to an advantageous development, it may be provided that the first thread of the length adjusting and tensioning element and the first thread of the second diagonal bar are each a Dywidag thread and that the second thread of the length adjustment and tensioning element and the second thread of the first diagonal bar is in each case a metric thread. This provides a more accurate Längenverstell- and clamping possibility created when using two diagonal bars with Dywidag external threads in combination with a length adjustment and clamping element with two matching Dywidag internal threads according to the prior art. On the other hand, length adjustment and bracing is possible faster than with two threaded rods with metric threads.

Fig. 1

eine dreidimensionale Ansicht eines erfindungsgemäßen Fachwerk-Rahmens;

Fig. 2

den Fachwerkrahmen gemäß Fig. 1 in einer Draufsicht;

Fig. 3

den Fachwerkrahmen gemäß Fig. 2 in einer Seitenansicht von links;

Fig. 4

den Fachwerkrahmen gemäß Fig. 2 in einer Oberansicht;

Fig. 5

einen stark vergrößerten Ausschnitt im Bereich der oberen Anschlusseinheit des Fachwerkrahmens in einer Ansicht gemäß Fig. 3, wobei an einer Lochscheibe der Anschlusseinheit ein Anschlusskopf eines Gerüstbauteils mit einem sich in seiner Verriegelungsstellung befindlichen Anschlusskeil verkeilt ist;

Fig. 6

eine dreidimensionale Ansicht eines bevorzugten Ausführungsbeispiels eines Spannschlosses zusammen mit einem Endfitting;

Fig. 7

das Spannschloss mit Endfitting gemäß Figur 6 in einer Draufsicht;

Fig. 8

das Spannschloss mit Endfitting gemäß Figur 6 in einer Seitenansicht.

The invention also relates to a modular truss girder, which is composed of a plurality of arranged in a common lattice level, truss frame according to the invention, in particular according to one of claims 1 to 13, preferably constructed such that several mutually identical or in pairs per truss frame only in their length and different otherwise mutually equal crossbars are arranged horizontally in series and by means of the associated bolts to the associated connection plates of the associated, each perpendicular to the crossbars extending at least three or more, mutually identical post pipes are articulated and releasably secured, wherein at least two or more crossbars Crossbar form a top flange, wherein the longitudinal axes of the crossbars are arranged substantially coaxially or in alignment, and wherein at least two or more crossbars of the crossbars form a bottom flange, wherein the longitudinal axes of the crossbars are arranged substantially coaxially or in alignment.
The invention also relates to a bridging and / or supporting construction, for example a pedestrian bridge, a catwalk, a podium or a scaffold or a scaffold for a scaffold or a scaffold, a substructure for a scaffold or podium or a scaffold or podium, or a suspension for a suspended scaffold or a suspension scaffold, with at least one or more truss frames according to the invention, according to one of claims 1 to 13, or with a truss girder according to the invention, according to claim 14. It is understood that the above features and measures can be combined within the scope of the claims.
Further features, advantages and aspects of the invention will become apparent from the claims and from the following description part, in which a preferred embodiment of the invention with reference to the figures.
Show it:

Fig. 1

a three-dimensional view of a framework framework according to the invention;

Fig. 2

according to the framework framework Fig. 1 in a plan view;

Fig. 3

according to the framework framework Fig. 2 in a side view from the left;

Fig. 4

according to the framework framework Fig. 2 in a top view;

Fig. 5

a greatly enlarged section in the area of the upper connection unit of the truss frame in a view according to Fig. 3 , wherein at a perforated disc of the connection unit, a connection head of a framework component is wedged with a connection wedge located in its locking position;

Fig. 6

a three-dimensional view of a preferred embodiment of a turnbuckle together with an end fitting;

Fig. 7

the turnbuckle with end fitting according to FIG. 6 in a plan view;

Fig. 8

the turnbuckle with end fitting according to FIG. 6 in a side view.

The truss frame 20 according to the invention is composed of several rod-shaped steel parts detachable again. Essential items are two identical, elongated post tubes 21, two equal, elongated cross bar 22 and at least one adjustable in length, elongated diagonal element 23. The two post tubes 21 and the two transverse bars 22 and the at least one diagonal element 23 are articulated and detachable via bolts 24 connected with each other. The two post pipes 21 are arranged substantially parallel to each other. The two transverse bars 22 are also arranged substantially parallel to each other. The cross bars 22 are arranged substantially perpendicular to the post pipes 21. The post pipes 21 and cross bar 22 are connected to a frame 25. The longitudinal axes 26 of the post tubes 21 and the longitudinal axes 27 of the cross bar 22 span a truss level 28. The bolt axes 29 of the bolts 24 are arranged perpendicular to the longitudinal axes 26 of the post pipes 21 and perpendicular to the longitudinal axes 27 of the cross bar 22 and perpendicular to the said truss level 28. The post tubes 21 and the transverse bars 22 are connected or braced by means of the at least one diagonal element 23 to form a stable truss frame 20. Here, the at least one diagonal element 23 is installed or tensioned without play.

The truss frame 20 is used to build a bridging and / or supporting structure, not shown in the figures. Therein, the truss frame 20 is intended installed so that the post pipes 21 are arranged vertically or vertically. In the installed or installed state horizontal crossbar 22 form straps of the framework 20. In the installed or installed state of the lower or first cross bar 22 forms a lower flange or a component of a lower chord, while the upper and second crossbar 22 a Obergurt or forms part of a top girth.

Each post tube 21 has a, preferably 2000 mm amount, length 30. Each post tube 21 extends substantially straight along its longitudinal axis 26. The longitudinal axis 26 of the in the FIGS. 1 to 4 each left shown, first post tube 21 has from the longitudinal axis 26 of the in the FIGS. 1 to 4 each shown on the right, second post tube 21 a distance 31. This distance 31 corresponds to a system distance of a modular scaffold system. Preferably, said distance 31 is a system distance of the Layher Allround modular scaffolding system. For example, said distance 31 is about 2070 mm.

Each transverse bar 22 extends substantially straight along its longitudinal axis 27. The longitudinal axis 27 of the in the FIGS. 1 to 4 each shown below, the first cross bar 22 has from the longitudinal axis 27 of the in the FIGS. 1 to 4 each shown above, the second cross bar 22 a distance 32. Preferably, this distance 32 is about 1800 mm.

Preferably, the post pipes 21 are round tubes or post round tubes. Preferably, the post tubes 21 each have an outer diameter 43 of 48.3 mm and a wall thickness of about 3.2 mm or about 4.0 mm. Preferably, the post pipes 21 are made of S355 grade steel. Each post tube 21 has a in the FIGS. 1 to 3 each lower, first Pfostenrohrende 33.1 and one of them away, in the FIGS. 1 to 3 each upper, second post pipe end 33.2.

The cross bars 22 are formed with square or square tubes 34. These have a thickness or width or an outer diameter of preferably 60 mm and a wall thickness of preferably 4 mm. Each cross bar 22 has a in the FIGS. 1 . 2 and 4 each left shown, first crossbar end 35.1 and one of them away, in the FIGS. 1 . 2 and 4 each shown on the right, second crossbar end 35.2.

In the region of each post pipe end 33.1, 33.2 of the post pipes 21 are two connecting plates 36.1; 36.2 steel fastened. These are connection, binding or gusset plates. The two first and lower terminal plates 36.1 associated with the first and lower post tube ends 33.1 of the first and left post tubes 21 and the first and lower post plates 36.1 associated with the first and lower post tube ends 36.1 of the second and right post tubes 21 are the same , The two second or upper connection plates 36.2 assigned to the second or upper post tube end 33.2 of the first or left post tube 21 and the two second or upper connection plates 36.2 assigned to the second or upper post tube end 33.2 of the second or right post tube 21 are the same designed.

Two connection plates 36.1 each; 36.2 of the four connection plates 36.1; 36.2 each post tube 21 are arranged in pairs at the same height and each form a terminal plate pair 37.1; 37.2. The two connection plates 36.1; 36.2 each connection plate pair 37.1; 37.2 of each post tube 21 are arranged in an imaginary common plane 38 parallel to each other, which contains the longitudinal axis 26 of the respective post tube 21. The two connection plates 36.1; 36.2 each connection plate pair 37.1; 37.2 of each post tube 21 extend away from each other in opposite directions. Each connection plate 36.1; 36.2 of the connection plates 36.1; 36.2 has a butterfly wing-shaped outer contour. Each connection plate 36.1; 36.2 has two connecting lugs 39.1, 40.1; 39.2, 40.2. Each terminal lug 39.1, 40.1; 39.2, 40.2 has a passage opening 48 for a bolt 24.

At the pointing in the same direction, second or upper Pfostenrohrenden 33.2 of the post pipes 21 each one also referred to as a connecting body connecting sleeve 41 is attached. Each connecting sleeve 41 is a round tube made of steel or around a section of a round tube made of steel. Each connecting sleeve 41 has a substantially circular cylindrical inner peripheral surface and a substantially circular cylindrical outer peripheral surface 42. Each connecting sleeve has an inner diameter which is slightly larger than the respective outer diameter 43 of the respective post tube 21. Each connecting sleeve 41 has an outer diameter 45, preferably approximately 60.3 mm. Each connection sleeve 41 encloses the outer circumference 44 of the respective post tube 21 completely and uninterrupted. Each connection sleeve 41 is welded at its sleeve ends facing away from each other to the post tube 21 inserted therein.

The respective connecting sleeve 41 associated, second or upper connection plates 36.2 each have a receiving slot 47. The latter is open to the respective post tube 21 facing side of the respective second or upper connection plate 36.2 out. Said receiving slot 47 is viewed in the direction of the longitudinal axis 26 of the respective post tube 21 between the respective two connecting straps 39.1, 40.1 of the respective second or upper connecting plate 36.2 or between the passage openings 48 of the respective two connecting straps 39.1, 40.1 of the respective second or upper connection plate 36.2 arranged.

The respective two second or upper connecting plates 36.2 of each post tube 21 are each plugged with their receiving slot 47 on a perforated disk 50, also referred to as a rosette. Last is in each case in the region of the provided with the connecting sleeve 41, second or upper post tube end 33.2 of the respective post tube 21 at this firmly welded. The respective two second or upper connection plates 36.2 are welded to both the respective connecting sleeve 41 and to the respective post tube 21, as well as to the respectively associated perforated disc 50. The respective two second or upper connection plates 36.2, the associated connection sleeve 41 and the associated perforated disc 50 each form a second or upper connection unit 52.

Each perforated disc 50 of each post tube 21 is designed in a manner known per se with parallel side surfaces which have a spacing corresponding to the perforated disc thickness, preferably 9 mm to 10 mm, relative to each other. Each perforated disc 50 of each post tube 21 has, in a manner known per se, eight through holes, which are each offset at a circumferential angle of 45 degrees to one another. In this case, four small through-holes and four large through-holes are provided in a conventional manner, which are each arranged alternately, so that viewed in the circumferential direction, between each two small through holes, a large through hole and between each two large through holes a small through hole is arranged.

The perforated disks 50 arranged in the region of the connecting sleeves 41 and the slit, second or upper connecting plates 36.2 arranged there are each welded to the respective post pipe 21 and welded to the respective slotted second or upper connecting plate 36.2 so that six of their eight through holes remain free , wherein in each case three through-holes remain free with respect to each of the two facing away from each other terminal plate sides of the respective slotted, second or upper connection plate 36.2. In addition, these perforated disks 50 are arranged such that in each case two small through-holes of the four small through-holes are covered by the, preferably parallel, slot walls of the respective second or upper connecting plate 36.2 delimiting the respective receiving slot 47 of the respective second or upper connecting plate 36.2. The four large through holes and two of the four small through holes remain so free.

At the pairwise arranged at the same height opposite each other, extending towards each other crossbar connecting plates 39.1; 39.2 of the connection plates 36.1; 36.2 of the two post pipes 21, a cross bar 22 of the two crossbars 22 is in each case releasably connected in each case by means of a bolt 24, which by the respective passage opening 48 of the respective crossbar connecting plate 39.1; 39.2 is inserted. Each pin 24 extends with its pin longitudinal axis 29 perpendicular to the longitudinal axes 26, 27 of the post tubes 21 and the cross bar 22 and thus perpendicular to the said truss level 28th

In diagonally opposite corner areas, for example in the in the FIGS. 1 and 2 top left and bottom right shown corner portions 53.1, 53.2 of the truss frame 20, the diagonal element 23 is also about bolts 24 on diagonally opposite, to each other extending diagonal element connecting lugs 40.1, 40.2 both a second or upper connection plate 36.2 of the second or upper connection plates 36.2, for example, the first or left post tube 21, as well as on a first or lower connection plate 36.1 of the first and lower connection plates 36.1, for example, the second or right post tube 21, releasably connected. Each of these bolts 24 extends with its pin longitudinal axis 29 perpendicular to the longitudinal axes 49, 26, 27 of the diagonal element 23, the post tubes 21 and the cross bar 22 through a respective through opening 48 of the respective diagonal connecting lug 40.1, 40.2 therethrough.

Each transverse bar 22 comprises a straight square or square tube 34 which extends substantially over its entire length. A connection connector 54 is inserted into each of the tube ends of the respective square or square tube 34 and fixed there, preferably by welding , Each terminal connector 54 includes two terminal tabs. The two connecting lugs are arranged parallel to each other at a distance from each other. The distance is slightly larger than the wall thickness of the respectively associated connection plate 36.1, 36.2. Each terminal lug of the connection connector 54 has a passage opening for a bolt 24. In the assembled state, each cross bar 22 with its connecting plates arranged at both ends is in each case plugged onto a crossbar connecting lug 39.1, 39.2 of a connecting plate 36.1, 36.2 of the connecting plates of a post tube 21 of the post tubes 21. The through holes of the respective two terminal lugs of the respective connection connector 54 of the respective cross bar 22 with the through hole 48 of the respective crossbar connecting lug 39.1, 39.2 of the respective connection plate 36.1, 36.2, wherein in each case a pin 24 of the pin 24 is inserted through the respective three through openings.

At each post tube 21 are except those mentioned above, in the FIGS. 1 . 2 and 3 each top perforated disk 50, which is partially received in the receiving slot 47 of the slotted, second or upper connecting plate 36.2, also three more identical perforated disks 50 are welded. All perforated discs 50 of each post tube 21 are each viewed in the direction of the longitudinal axis 26 of the respective post tube 21 in a simple distance of the grid dimension of a modular scaffold or a modular scaffold system, in particular the Layher Allround modular scaffolding or modular scaffold system, corresponding distance 55 to each other. Preferably, this distance 55 is about 500 mm. In the case of each post pipe 21, that perforated disk 50 of the perforated disks 50, which has the greatest distance from the second or upper post pipe end 33.2 or which is assigned to the first or lower post pipe end 33.1, is formed by one at the respective first and lower post pipe end 33.1 End edge of the respective pole tube 21 a distance 59. Preferably, this distance 59 is about 400 mm. Each perforated disc 50 has an outer diameter, preferably approximately 123.5 mm. Each perforated disc has a, preferably about 9 mm or about 10 mm amount of perforated disc thickness.

At each post tube 21 is in a, preferably about 145 mm to 155 mm amount, distance 56 to that at the respective first or lower post pipe end 33.1 formed end edge of the respective post pipe 21 a also referred to as a connecting body connection disk 57 made of solid material welded. Each connecting disk 57 has an outer diameter, preferably approximately 100 mm. Each connecting disc 57 has a, preferably the perforated disc thickness of the perforated discs 50 corresponding disc thickness. Preferably, the slice thickness is about 9 mm or about 10 mm. Each connecting disk 57 has, viewed in the direction of the longitudinal axis 26 of the respective post pipe 21, a distance 58 to the nearest perforated disk 50. Preferably, this distance 58 is about 245 mm. The function of the respective connecting disk 57 essentially corresponds to the function of the respective connecting sleeve 41. Accordingly, instead of the respective connecting disk 57, a, preferably the same, connecting sleeve would be conceivable, as is provided on the opposite, second or upper post pipe end 33.2 of the post pipes 21 ,

Each connecting disk 57 is partially accommodated in a receiving slot 46 of a connecting plate 36. 1 of the respective first and lower connecting plates 36. 1 which is open toward the respective post pipe 21. Each first or lower connection plate 36.1 is welded both to the respective post tube 21 and to the respective connection disc 57. Each connecting disk 57 forms a first or lower connecting unit 51 with the respectively associated two first and lower connecting plates 36.

In contrast, in each case to the position of the perforated disc 50, which the connecting sleeve 41 comprehensive, second or upper terminal unit 52 is assigned, each connecting disk 57 is arranged at the level of the crossbar connecting plate 39.1 of the respective first and lower terminal plate 36.1. This is preferably such that the respective horizontal center plane of the connecting disk 57 and the bore axis of the respective crossbar connecting lug lie in an imaginary common plane. As a result, the longitudinal axis 27 of the first or lower transverse bar 22 is approximately aligned with the respective horizontal center plane of the respective connecting disk 57. As a result, the forces "arriving" via the first or lower transverse bolt 22 can be optimally transferred to the respective connecting disk 57.

The diagonal element 23 comprises two diagonal bars 60.1, 60.2, namely a straight first diagonal bar 60.1 and a straight second diagonal bar 60.2. The diagonal bars 60.1, 60.2 are each Dywidag bars or a Dywidag external thread having tension rods. Each diagonal bar 60.1, 60.2 has a first diagonal bar end 61.1; 61.2 and one of them pointing in an opposite direction away second diagonal bar end 61.2; 62.2. The in the FIGS. 1 and 2 each shown at the bottom right first diagonal bar 60.1 has a first Diagonalstablänge and in the FIGS. 1 and 2 each shown on the left second diagonal bar 60.2 has a second Diagonalstablänge. Preferably, the second diagonal bar length is smaller than the first diagonal bar length, or vice versa.

Each diagonal bar 60.1, 60.2 is connected to a first diagonal bar end 61.1; 62.1 of its two diagonal bar ends 61.1, 61.2; 62.1, 62.2 on one as a length adjustment or turnbuckle designated Längenverstell- and clamping element 65 attached. By means of Längenverstell- and clamping element 65, the diagonal element 23 is adjusted in length and braced with the frame 25 formed from the two post tubes 21 and the two cross bars 22 to the stable truss frame 20. The Längenverstell- and clamping element 65 has at each of its ends facing away from each other ends 66.1, 66.2 an internal thread 63.1, 63.2, in which in each case the external thread 64.1, 64.2 of the associated Diagonalstabendes 61.1; 62.1 of the respective diagonal bar 60.1, 60.2 is screwed. The threads of the external threads 64.1, 64.2 of the diagonal bars 60.1, 60.2 and the threads of the internal threads 63.1, 63.2 of the length adjustment and tensioning element 65 are designed to match one another such that when the length adjustment and tensioning element 65 is rotated about its longitudinal axis 78 in a first direction of rotation the two diagonal bars 60.1, 60.2 are moved towards one another and that, when the length adjustment and tensioning element 65 is rotated in a second direction of rotation opposite to the first direction of rotation, the two digonal bars 60.1, 60.2 are moved away from each other in opposite directions.

Each diagonal bar 60.1, 60.2 points at its first diagonal bar end 61.1; 62.2 pointing away second diagonal bar end 61.2; 62.2 a there rotatably connected to the respective diagonal bar 60.1, 60.2 connected to the fastening body 67. Each fastening body 67 has two connecting straps which extend away from the respective diagonal bar 60.1 60.2 at a distance parallel to each other. Each connecting lug of these connecting lugs has a passage opening for a bolt 24. Im at the respectively assigned diagonal terminal lug 40.1, 40.2 of the respective connection plate 36.1, 36.2 of the respective post tube 21 mounted state, the passage openings of said terminal lugs of the respective diagonal bar 60.1, 60.2 are aligned with the respective passage opening 48 of the respective diagonal connecting lug 61.1; 62.1, wherein in each case a bolt 24 of the bolt 24 is inserted through each of the three mutually aligned through holes.

The passage openings for the bolts 24 are circular-cylindrical through-holes. The bolts 24 are circular cylindrical bolts.

The truss frame 20 according to the invention can preferably be assembled together as follows: First, a frame 25 is constructed from the two post pipes 21 and from the two cross bars 22. Subsequently, the diagonal element 23 is installed in the frame 25. Subsequently, the Längenverstell- and clamping element 65 is rotated in the said first direction of rotation about its longitudinal axis 78 until brought about by the succession to move the two diagonal bars 60.1, 60.2 while shortening the length of the diagonal element 23 the said frame 25 forming the posts tubes 21 and Cross bar 22 connected to each other without play or are clamped. In the finished assembled truss frame 20 so the post pipes 21 and the cross bar 22 are connected to each other via the diagonal element 23 without play or clamped. By bracing a targeted elevation of at least one truss frame according to the invention 20 and therein by means of corresponding bolts releasably connected, another same or similar crossbars and at least one further connected same or similar Post pipe and at least one arranged in the same or similar manner between a post pipe of the post pipes of the truss frame 20 according to the invention and the adjacent further post pipe, further or similar diagonal element formed binder or truss carrier can be achieved.

At each perforated disc 50 of the perforated discs 50 of the post tubes 21, a connecting head 70 of a scaffolding component 71 can be releasably connected and wedged in a manner known per se by means of a connecting wedge 72. In order to make this possible also at the perforated disks 50, which are arranged in the region of the respective second or upper post pipe end 33.2 of the post pipes 21, at the post pipe ends 33.2 the respective connecting sleeve 41 is attached, each connecting sleeve 41 has an outer diameter 45, which is selected is that a, in particular known, connection head 70 of one or the modular scaffold system, in particular the Layher Allround modular scaffold system, by means of a connecting wedge 72 on the connecting sleeve 41 associated perforated disc 50 without a collision with the connecting sleeve 41 is festkeilbar. For this purpose, the outer diameter 45 of the connecting sleeve 41 is set smaller than a smallest distance between an inner, front, vertical wedge abutment surface of an upper head portion 73 of the connection head 70 and an outer, front, vertical abutment surface 74 of the upper head portion 73 of the connection head 70, with which this is supported in the festgekeiltten by means of the connecting wedge 72 state on the outer surface of the post tube 21. This is in the wedged state between the front, vertical wedge abutment surface 75 of the connecting wedge 72 and the outer periphery of the wedge abutment surface 75 opposite the connecting sleeve 41, a vertical gap 76 is formed. With an outer diameter 45 of the connecting sleeve 41 of 60.3 mm, the gap 76 is about 2.1 mm. In other words, the outer diameter 45 of each connecting sleeve 41 of the at least two connecting sleeves 41 is selected such that between the connecting wedge 72, by means of which the connecting head 70 of the scaffold component 71 on the associated perforated disc 50 is releasably keyed and the outer diameter 45 spanning outer surface of Connecting sleeve 41, a gap 76 is formed. The perforated disks 50 are also referred to as connection elements.

In the FIGS. 6 to 8 is a preferred embodiment of a also known as length adjustment or Längenverstell- and clamping element turnbuckle 65 shown together with an end fitting 77 releasably secured thereto. The turnbuckle 65 comprises an actuating plate 79 extending along a longitudinal axis 78. The actuating plate 79 consists of, preferably galvanized, steel. The actuation plate 79, when viewed in the direction of its longitudinal axis 78, has two ends 66.1, 66.2, namely a first end 66.1 and a second end 66.2 extending away therefrom in an opposite direction. The actuator plate 79 is provided with two slots 80,1 extending in the direction of its longitudinal axis 78. 80.2 provided, namely a first slot 80.1 and a second slot 80.2, which are open on both sides of the actuator plate 79 out. Viewed toward one another in the direction of the longitudinal axis 78 of the actuating plate 79, the first slot 80. 1 and the second slot 80. 2 are delimited by wall parts of a connecting piece 81 of the actuating plate 79. The connecting piece 81 is provided with a through hole 82, the bore axis 83 perpendicular to the longitudinal axis 78 of the actuator plate 79 is arranged and the longitudinal axis 78 intersects. The through-hole 82 is used to push through an actuating element, not shown in the figures, for example, an actuating rod, by means of which a tension of the first diagonal bar 60.1 and the second diagonal bar 60.2 of the diagonal element 23 can be achieved against each other (see. FIGS. 1 and 2 ).

At the first end 66.1 of the actuator plate 79 a first slot 80.1 passing through first long nut 84.1 is arranged and at the second end 66.2 is a second slot 80.2 passing through the second long nut 84.2 arranged. The first long nut 84.1 and the second long nut 84.2 are welded to the actuator plate 79. The first long nut 84.1 has a first internally threaded bore 86.1 extending along its first longitudinal mother axis 85.1 parallel to the longitudinal axis 78 of the actuating plate 79. The second long nut 84.2 has a second internally threaded bore 86.2 extending along its second longitudinal nut axis 85.2 parallel to the longitudinal axis 78 of the actuating plate 79. The first internally threaded bore 86.1 of the first long nut 84.1 has a first internal thread 63.1. The second internally threaded bore 86.2 of the second long nut 84.2 has a second internal thread 63.2. The first internal thread 63.1 and the second internal thread 63.2 are each threads rotating in the same direction. Preferably, the first internal thread 63.1 and the second internal thread 63.2 are each a right-handed thread, which is also referred to as a right-hand thread. The first internal thread 63.1 differs from the second internal thread 63.2 both in terms of its thread type and in terms of his slope. In the in the FIGS. 6 to 8 In the preferred embodiment shown, the first female thread 63.1 is a Dywidag thread having a first pitch of 10 mm, while the second internal thread 63.2 is a metric thread having a second pitch of 3 mm.

In the second internal thread 63.2 of the second long nut 84.2 of the turnbuckle 65, a matching second external thread 64.2 of a first diagonal bar 60.1 is detachably screwed. This second external thread 64.2 is a right-hand thread in the form of a metric thread with a pitch of 3 mm. The first diagonal bar 60.1 is part of the end fitting 77. The end fitting 77 has a connection element 88 provided with through bores 87.1, 87.2 for inserting a bolt 24 for fastening the end fitting 77 by means of a bolt 24 to one of the connection plates 36.1 to 36.4. According to the in the FIGS. 1 and 2 The exemplary embodiment shown may be, for example, the first connection plate 36.1 shown at the bottom right there.

On the second external thread 64.2 of the first diagonal bar 60.1 can, as in the FIGS. 6 to 8 shown, in a region between the second long nut 84.2 and the connection element 88 of the end fitting 77, a nut 89 screwed. This mother 89 can, as in the FIGS. 6 to 8 shown, preferably after the length adjustment or after the distortion of the diagonal element 23 by means of the turnbuckle 65, by tightening the nut 89, preferably in a clockwise direction, braced against the second long nut 84.2, so that the nut 89 can then act as a lock nut.

In the first internal thread 63.1 of the first long nut 84.1 of the turnbuckle 65 can, as in the FIGS. 1 and 2 a matching first external thread 64.1 of a second diagonal bar 60.2 be screwed releasably or be screwed. The first external thread 64.1 of the second diagonal bar 60.2 is a right-hand thread in the form of a Dywidag thread with a pitch of 10 mm.

The inventive design and training of the turnbuckle 65 a more accurate Verspann-possibility is created as with a turnbuckle, in which two rotating in opposite directions female thread or a left-hand thread and a right-hand thread, are provided with identical pitches. In another consideration, in the turnbuckle 65, tightening is faster possible than with a turnbuckle having two internal threads, each with identical thread type, for example, metric threads, with identical, for example, 3 mm amounts, gradients.

In the turnbuckle 65, the length adjustment or bracing can be realized or realized by means of threads that rotate in the same direction and have different pitches.

It is understood that instead of the preferred turnbuckle 65 shown in the figures, alternatively a length adjustment and tensioning element may be used which has a right-hand thread at one end of its ends and a left-hand thread at its other end, or vice versa the two diagonal bars have either a right-hand thread or a left-hand thread.

LIST OF REFERENCE NUMBERS

20

Truss frame

21

Post tube / post round tube

22

crossbars

23

diagonal element

24

bolt

25

frame

26

Longitudinal axis of 21

27

Longitudinal axis of 22

28

Tudor level / level

29

Bolt axis / bolt longitudinal axis of 24

30

Length of 21

31

distance

32

distance

33.1

(first, lower) post pipe end

33.2

(second, upper) post pipe end

34

Square tube / square tube

35.1

(first) crossbar end

35.2

(second) crossbar end

36.1

(first / lower) connection plate

36.2

(second / upper) connection plate

37.1

(first / lower) connection plate pair

37.2

(second / upper) connection plate pair

38

level

39.1

(first / lower) (crossbar) terminal lug

39.2

(second / upper) (crossbar) terminal lug

40.1

(first / lower) (diagonal element) terminal lug

40.2

(second / upper) (diagonal element) terminal lug

41

Connecting body / connecting sleeve

42

Outer peripheral surface of 41

43

Outer diameter of 21

44

Outer circumference of 21

45

Outer diameter of 41

46

Recording slot of 36.1

47

Recording slot of 36.2

48

Through opening / Duch hole

49

Longitudinal axis of 23

50

Terminal / Rosette / perforated disc

51

(first / lower) connection unit

52

(second / upper connection unit

53.1

(first / lower) corner area

53.2

(second / upper) corner area

54

terminal connector

55

Distance / grid

56

distance

57

Connecting body / connecting disk

58

distance

59

distance

60.1

(first / lower) diagonal bar

60.2

(second / upper) diagonal bar

61.1

(first / upper) diagonal staff end of 60.1

61.2

(second / lower) Diagonal bar end of 60.1 / (first / lower) diagonal element end of 23

62.1

(first / lower) diagonal staff end of 60.2

62.2

(second / upper) Diagonal bar end of 60.2 / (second / upper) diagonal element end of 23

63.1

(first) thread / internal thread

63.2

(first) thread / internal thread

64.1

(second) thread / external thread

64.2

(second) thread / external thread

65

Length adjustment / Längenverstell- and clamping element / turnbuckle

66.1

(first / upper) end of 65

66.2

(second / lower) end of 65

67

mounting body

70

connection head

71

Scaffolding part

72

connecting wedge

73

(upper) headboard of 70

74

(vertical) contact surface of 73

75

(front / vertical) wedge contact surface of 72

76

(vertical) gap

77

end fitting

78

Longitudinal axis / rotation axis of 65

79

operating plate

80.1

(first) slot

80.2

(second) slot

81

joint

82

Through Hole

83

Bore axis of 82

84.1

(first) long-mother

84.2

(second) long-mother

85.1

(first) mother longitudinal axis / rotation axis

85.2

(second) mother longitudinal axis / rotation axis

86.1

(first) threaded hole / tapped hole

86.2

(second) threaded hole / female threaded hole

87.1

Through Hole

87.2

Through Hole

88

connecting element

89

mother

Claims (15)

1. Truss frame (20) for construction of a bridging and/or support construction, which frame consists of a plurality of rod-shaped individual parts of metal, namely of at least two elongate parallel post tubes (21) each extending in the direction of the longitudinal axis (26) thereof and each having an outer circumference (44), at least two elongate parallel crossbars (22) each extending in the direction of the longitudinal axis (27) thereof, which crossbars extend perpendicularly to the post tubes (21), and at least one elongate diagonal element (23) which is adjustable in its length by way of integrated length adjusting means (65) and which extends in the direction of the longitudinal axis (49) thereof between diagonally opposite corner regions (53.1, 53.2) of the truss frame (20), wherein each post tube (21) of the post tubes (21) has post tube ends (33.1, 33.2) facing away from one another, wherein two parallel connecting plates (36.1, 36.2) are respectively secured in the region of each post tube end (33.1, 33.2) of the post tube ends (33.1, 33.2) and extend parallel to the longitudinal axes (26) of the post tubes (21) and parallel to the longitudinal axes (27) of the crossbars (22), wherein each crossbar (22) has crossbar ends (35.1, 35.2) which face away from one another and which are each pivotably and detachably secured to an associated connecting plate (36.1, 36.2) of the connecting plates (36.1, 36.2) by means of a respective bolt (24), wherein the at least one diagonal element (23) has diagonal element ends (61.2, 62.2) which face away from one another and which are each pivotably and detachably secured to an associated connecting plate (36.1, 36.2) of the connecting plates (36.1, 36.2) by means of a respective bolt (24), wherein the bolts (24) have bolt axes (29) which extend perpendicularly to the longitudinal axes (26, 27) of the post tubes (21) and the crossbars (22), and wherein at least two or at least three or at least four or at least five connecting elements (50) for connection of scaffolding components (71) and/or to scaffolding components (71) are fixedly welded to each post tube (21) at a mutual spacing (55) corresponding with an integral multiple of a grid dimension of a modular scaffolding,
   characterised in that
   the connecting elements (50) are rosettes for connection of and/or to connecting heads (70) of scaffolding components (71), that the two parallel connecting plates (36.1; 36.2), which are secured in the region of each post tube end (33.1, 33.2), are arranged in a common notional plane (38), which contains the longitudinal axis (26) of the respective post tube, and extend away from one another, that a respective connecting body (41, 57) is fixedly welded in the region of or to at least two post tube ends (33.1, 33.2), which are each associated with the same crossbar (22), of the post tubes (21) and surround the outer circumference (44) of the respective post tube (21) over the whole circumference and that the two connecting plates (36.1, 36.2) respectively secured in the region of these post tube ends (33.1, 33.2) of the post tubes (21) are fixedly welded either to the respective connecting body (41, 57) or to the respective connecting body (41, 57) and the respective post tube (21).
2. Truss frame according to claim 1, characterised in that a respective rosette of the rosettes (50) is arranged in the region or in the vicinity of at least those post tube ends (33.1, 33.2) of the post tubes (21) to which the respective connecting body (41, 57) is fixedly welded and that a respective rosette part of this rosette (50) respectively projects into and through a receiving slot (46, 47) of the two connecting plates (36.1, 36.2) respectively secured in the region of these post tube ends (33.1, 33.2) of the post tubes (21) to these.
3. Truss frame according to claim 2, characterised in that each connecting plate (36.1, 36.2) having the receiving slot (46, 47) is fixedly welded to the connecting body (41, 57), to the post tube (21) and to the rosette (50).
4. Truss frame according to any one of the preceding claims, characterised in that at least two of the connecting bodies (41) are connecting sleeves and/or at least two of the connecting bodies (57) are connecting rosettes or connecting discs, with or without interruptions.
5. Truss frame according to claim 4, characterised in that each connecting sleeve (41) of the at least two connecting sleeves (41) is formed in such a way that a connecting head (70) of a scaffolding component (71) can be releasably firmly wedge-connected by means of a connecting wedge (72) with a rosette (50), which is associated with the respective connecting sleeve (41), without collision with the connecting sleeve (41).
6. Truss frame according to claim 4 or 5, characterised in that each connecting sleeve (41) of the at least two connecting sleeves (41) has an outer diameter (45) which is so selected that a gap (76) is formed between a or the connecting wedge (72), by means of which a or the connecting head (70) of the scaffolding component (71) is releasably firmly wedge-connected with the associated rosette (50), and an outer surface, which spans the outer diameter (45), of the connecting sleeve (41).
7. Truss frame according to any one of the preceding claims, characterised in that each rosette (50) of the rosettes (50) is fixedly welded to the respective post tube (21) at a mutual spacing (55), which corresponds with the simple grid dimension, from the directly adjacent rosette (50) of the rosettes (50).
8. Truss frame according to any one of the preceding claims, characterised in that each post tube (21) of the post tubes (21) has a rosette (50), which lies closest to the respective post tube end (33.1, 33.2), of the rosettes (50) and that at least one post tube (21) of the post tubes (21) is connected with a scaffolding post of a modular scaffolding by means of a tube connector, wherein several rosettes are secured to the scaffolding post at a mutual spacing corresponding with the grid dimension, each rosette being of substantially the same form as the rosettes (50) of the post tubes (21), and wherein the rosette, which lies closest to the scaffolding post end of the scaffolding post, of the scaffolding post has from the closest rosette (50) of the post tube end (33.1, 33.2) of the post tube (21) a rosette spacing corresponding with an integral multiple of the grid dimension or with the simple grid dimension.
9. Truss frame according to any one of the preceding claims, characterised in that at least one rosette (50) of the rosettes (50) or at least two or at least three or at least four of the rosettes (50) has or have passage openings for the plugging-through of a connecting element of a connecting head of a or the scaffolding component and/or for the plugging-through of a or the connecting wedge (72) for firm wedge-connection of a or the connecting head (70) of a or the scaffolding component (71) to a rosette (50) of the rosettes (50).
10. Truss frame according to any one of the preceding claims, characterised in that at least one rosette (50) of the rosettes (50) or at least two or at least three or at least four of the rosettes (50) is an apertured disc or are apertured discs.
11. Truss frame according to any one of the preceding claims, characterised in that the length adjusting means (65) is a length adjusting and clamping element, which has a first thread (63.1) in the region of its first end (66.1) and a second thread (63.2) in the region of its second end (66.2) facing away from the first end (66.1), that the diagonal element (23) comprises a first diagonal rod (60.1) and a second diagonal rod (60.2), wherein the first diagonal rod (60.1) has a second thread (64.2) at its first diagonal rod end (61.1), wherein the second diagonal rod (60.2) has a first thread (64.1) at its first diagonal rod end (62.1), wherein the first thread (63.1) of the length adjusting and clamping element is screwed to the first thread (64.1) of the second diagonal rod (60.2) rotatably relative to one another about a first axis (85.1, 78) of rotation, wherein the second thread (63.2) of the length adjusting and clamping element is screwed to the second thread (64.2) of the first diagonal rod (60.1) rotatably relative to one another about a second axis (85.2; 78) of rotation, and that the first thread (63.1) of the length adjusting and clamping element, the second thread (63.2) of the length adjusting and clamping element, the first thread (64.1) of the second diagonal rod (60.2) and the second thread (64.2) of the first diagonal rod (60.2) are threads turning in the same direction, wherein the first thread (63.1) of the length adjusting and clamping element and the first thread (64.1), which is screwed thereto, of the second diagonal rod (60.2) each have a first pitch and wherein the second thread (63.2) of the length adjusting and clamping element and the second thread (64.2), which is screwed thereto, of the first diagonal rod (60.1) respectively have a second pitch of a different size by comparison with the first pitch.
12. Truss frame according to claim 11, characterised in that the first thread (63.1) of the length adjusting clamping element and the first thread (64.1) of the second diagonal rod (60.2) are each associated with a first form of thread and that the second thread (63.2) of the length adjusting and clamping element and the second thread (64.2) of the first diagonal rod (60.1) are each associated with a second form of thread which is different by comparison with the first form of thread.
13. Truss frame according to claim 12, characterised in that the first thread (63.1) of the length adjusting and clamping element and the first thread (64.1) of the second diagonal rod (60.2) are each a Dywidag thread and that the second thread (63.2) of the length adjusting and clamping element and the second thread (64.2) of the first diagonal rod (61.2) are each a metric thread.
14. Modular truss girder which is so constructed from a plurality of truss frames, which are arranged in a common truss plane, according to any one of the preceding claims that several crossbars, which are identical with one another or in pairs per truss frame differ only in their length and are otherwise identical with one another, are arranged horizontally in a row and are pivotably and detachably secured by means of the associated bolts to the associated connecting plates of the associated at least three or more mutually identical post tubes each extending perpendicularly to the crossbars, wherein at least two or more crossbars of the crossbars form a top chord in which the longitudinal axes of the crossbars are arranged substantially coaxially or in alignment and wherein at least two or more several crossbars of the crossbars form a lower chord in which the longitudinal axes of the crossbars are arranged substantially coaxially or in alignment.
15. Bridging and/or support construction with at least one or more truss frames according to any one of claims 1 to 13 or with a truss girder according to claim 14.

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