EP3402938A1 - Modularer fachwerkträger - Google Patents
Modularer fachwerkträgerInfo
- Publication number
- EP3402938A1 EP3402938A1 EP17718817.4A EP17718817A EP3402938A1 EP 3402938 A1 EP3402938 A1 EP 3402938A1 EP 17718817 A EP17718817 A EP 17718817A EP 3402938 A1 EP3402938 A1 EP 3402938A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- post
- truss
- longitudinal axis
- support
- strut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/242—Safety or protective measures preventing damage to building parts or finishing work during construction for temporarily covering the whole worksite, e.g. building, trench
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/38—Arched girders or portal frames
- E04C3/40—Arched girders or portal frames of metal
Definitions
- the invention relates to a truss girder made of metal, in particular of steel, for the construction of a bridging and / or supporting structure which is made up of several individual parts made of metal, in particular steel, comprising a plurality of elongated, preferably parallel, post pipes, a plurality of elongated, preferably parallel, crossbar and at least one, in particular clearance mounted, diagonal element, each post tube of the post tubes extending in the direction of its longitudinal axis, in particular rectilinear, and wherein the crossbar each in the direction of its longitudinal axis, preferably perpendicular to the post tubes, in particular straight, extend, and wherein the at least one diagonal element extends in the direction of its longitudinal axis, in particular rectilinear or substantially rectilinear, between diagonally opposite corner regions of the truss girder, of which a first corner region of a first post pipe of the post pipes and a first girder is formed of the girder and of which a second corner region
- Such a lattice girder has become known, for example, from DE 10 2009 021 424 A1 or the applicant's copending EP 2 253 764 A2.
- truss girders can be assembled to form a modular truss girder known in practice as the Layher Allround 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.
- a truss with the features mentioned, in particular by the fact that it is at the connection elements to rosettes for connecting and / or to connection heads of scaffolding components, and that - either the first crossbar part of a rigid first framework made of metal , in particular of steel, is such that the first transverse bar in the mounted state of the truss carrier forms a Obergurtprofil of the first framework, and wherein the first framework comprises a in the direction of its longitudinal axis, preferably rectilinearly extending first transverse strut, in the mounted state the truss girder forms a lower chord profile of the first truss, and wherein the first truss comprises a plurality of support struts extending between the first transverse strut and the first transverse bar in the direction of their respective longitudinal axis, preferably rectilinear, of which a plurality or substantially all or all of the support struts ben with ih ren support strut ends are welded to
- 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 of the Layher Allround, become possible Modular stand or realized for compatibility with these modular stands.
- the first cross bar is an integral part of a rigid first framework made of metal, in particular steel, so that the first cross bar in the assembled state of the truss carrier forms a Obergurtprofil the first framework, and wherein the first framework is a extending in the direction of its longitudinal axis, preferably straight, extending first transverse strut, which forms a Untergurtprofil the first framework in the mounted state of the truss, and wherein the first te framework comprises a plurality of struts extending between the first cross member and the first cross bar in the direction of her respective longitudinal axis, preferably rectilinearly, of which a plurality or substantially all or all of the support struts are welded with their strut ends to both the first crossbar and the first crossbar, and that the longitudinal axis of the first crossbar and the longitudinal axis of the first crossbar e include an acute angle, or if, according to a second solution ternative a rigid second
- Truss comprises a in the direction of its longitudinal axis, preferably rectilinear, extending first transverse strut, which forms a Untergurtprofil the second framework in the assembled state of the truss girder, and wherein the second truss comprises a in the direction of its longitudinal axis, preferably rectilinearly, extending second transverse strut which in the assembled state of the truss girder forms a top chord profile of the second truss, and wherein the second truss comprises a plurality of struts extending between the first cross strut and the second cross strut in the direction of their respective longitudinal axis, preferably rectilinearly, of which several or substantially - chen all or all support struts are welded with its support strut ends both on the first cross member and on the second cross member, and that include the longitudinal axis of the first cross member and the longitudinal axis of the second cross member an acute angle, such fratechnikträ
- the first transverse strut is a round tube or a square tube, preferably a rectangular tube. If it is the first cross strut is a round tube, in particular in the integrated first framework according to the first alternative solution, a particularly advantageous, releasable attachment of the truss girder by means of, preferably each two coupling half-shells comprehensive round tube couplings on a support allows. This may be an already known support or an inventive support.
- this allows a particularly advantageous support on rollers of a roller carrier, for example a so-called carriage, so that the truss carrier alone or together with one of this supported construction, in particular a roof, preferably a cassette roof or a keder roof, can be moved in the direction of the longitudinal axis of the transverse strut.
- the first transverse strut is a square tube, in particular a rectangular tube, the respective truss is stiffened even better, as a result of which even larger loads can be reliably transferred.
- the separate second framework according to the second alternative solution can be omitted for releasably securing the truss on a support on the use of, preferably two coupling half-shells, round tube couplings, so that in comparison to the use of a framework according to the first alternative solution time-saving assembly and disassembly is possible.
- time-saving assembly and disassembly is possible.
- the truss according to the second alternative solution to a separate support, in particular a separate support beams, be dispensed with, so that, accordingly, weight can be saved.
- first connection element is welded in the region or at a first transverse strut end of the second transverse strut and that the second connection element is welded in the region or at a second transverse strut end of the second transverse strut facing away from the first transverse strut end.
- first post tube and the second post tube are arranged parallel to one another in a post tube spacing and that the first connection element and the second connection element are arranged parallel to each other in one or the connection element spacing, that of the post tube Distance equals.
- first connecting element is detachably connected to the first post tube and the second connecting element is detachably connected to the second post tube
- first connecting element is detachably connected to the first post tube by means of a first tubular connector
- second connection element to the second post pipe by means of a second pipe connector
- the first connection element is a first connection tube or a first connection sleeve and that the second connection element is a second connection tube or a second connection sleeve. This allows particularly advantageous connection or connection options.
- the respective pipe connector can be inserted with a first pipe connector part in the associated post pipe and be inserted with a second pipe connector part in the associated connection pipe.
- the respective raw connector can be fully inserted both into the associated post tube and into the connection tube assigned to it.
- the pipe connector may preferably be a pipe.
- the tube may have an outer diameter that is preferably slightly smaller than an inner diameter of the associated post tube and the associated connection tube.
- the respective connecting pipe may have an outer diameter which corresponds to the outer diameter of the respective associated post pipe.
- all connection pipes and all associated post pipes can each have the same size outer diameter.
- the respective connecting pipe may have an inner diameter which corresponds to the inner diameter of the respective associated post pipe.
- connection pipes and all associated post pipes can each have the same size inner diameter.
- the second transverse strut or its longitudinal axis and the first transverse bar or its longitudinal axis are arranged in parallel.
- a plurality of support struts or at least three of the support struts are formed as round tubes. Round pipes are available at low cost and have a minimum weight compared to other pipe profile cross sections.
- fastening elements such as pipe couplings, pipe flanges, rosettes or perforated disks, can be fastened particularly advantageously to round pipes by means of which further components, in particular scaffolding components, can advantageously be fastened to the truss.
- Proportion of trained as a round tubes struts extending perpendicular to the longitudinal axis of the first cross strut results in very advantageous mounting options for, in particular already existing, fasteners, for example, for rosettes, which may preferably be perforated discs.
- At least two round tubes of the round tubes can each at least one, preferably designed as a perforated disc, rosette for connecting and / or to connecting heads of scaffolding components, in particular of stiffening components, be welded.
- At least one round tube of the round tubes preferably at one of the first o- the second framework on a transverse side limiting round tube or on the longest round tube of the round tubes, at least two rosettes for connecting and / or to Connecting heads of scaffolding components in one Numerous multiples of a grid dimension of a modular stand corresponding fixed distance welded to each other.
- the rosettes make it possible to connect and / or to connection heads of scaffolding components, or to allow them to be installed and / or extended within the horizontal and vertical system dimensions of known modular scaffolds, in particular the Layher Allround modular scaffolding, or for compatibility with these modular scaffolds.
- Support struts or are welded to the two support struts - or on the first cross member and on the second cross member or on the first cross member and on a support strut of the two adjacent support struts or on the second cross member and on a support strut of the two adjacent support struts or on the two support struts are welded.
- Such diagonal support struts can advantageously be used for the transmission of tensile forces, for example when a roof is supported on the truss girder according to the invention, in particular on its second transverse bar or upper girth, in particular on the snow.
- the support struts are partly round tubes and partly quadrangular tubes or rectangular tubes.
- additional square tubes or rectangular tubes offer the Part larger forces transferring welds in the transition region of the respective pipe end to the so-welded component.
- the longitudinal axes of the post tubes, the longitudinal axes of the cross bars, the longitudinal axes of the support struts and either the longitudinal axis of the first cross member or both the longitudinal axis of the first cross member and the longitudinal axis of the second cross member in an imaginary, common Truss level are arranged. This allows particularly advantageous power transmission ratios and an advantageous static design.
- each post tube of the post tubes has an outer periphery and post tube ends facing away from each other, wherein two parallel connection plates are fixed in the region of each post tube end of the post tube ends, which are parallel to the longitudinal axes of the post tubes and parallel to the Longitudinal axes of the crossbars extend away from one another and which are arranged in a longitudinal axis of the respective post tube, preferably also the longitudinal axis of the respective cross bar, containing, common, imaginary plane, and wherein each cross bar facing away from each other crossbar ends, each at an associated terminal plate of Connecting plates, preferably by means of a respective bolt of the bolt articulated, preferably releasably, are fixed, and wherein the at least one diagonal element facing away from each other diagonal element ends, each at one associated terminal plate of the connection plates, preferably by means of a respective bolt of the bolt articulated, preferably releasably secured, and wherein in the range of or at least two, each same
- each post tube end is 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, each with the same cross bar associated post pipe ends of the post pipes each a the outer circumference of the respective post tube fully, preferably uninterrupted or uninterrupted, enclosing connecting body is welded, and that in the region of these posts tube ends of the post tubes attached respective two connection plates at least either on the respective connecting body or are welded to the respective connecting body and to the respective post pipe, the "incoming" forces transmitted via the said transverse bolt can be particularly advantageous in essence union 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 this other cross bar be transferred.
- the post pipes are preferably round pipes or post round pipes.
- 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.
- each a rosette of rosettes is arranged and that each a rosette part of this rosette each in and through a receiving slot each Connecting plate of the respective two mounted in the region of these post pipe ends connecting plates protrudes.
- each receiving slot having the connection plate is festgeschwei on the connecting body, on the post tube and on the rosette. As a result, an even better power transmission can be achieved in the critical connection area.
- connection bodies are connecting sleeves and / or that at least two of the connecting bodies are connecting rosettes or connecting disks, with or without apertures.
- Such connections Body are particularly simple and inexpensive to produce or available.
- 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.
- each, preferably substantially circular, connecting sleeve of the at least two connecting sleeves has a Au walked messr, which is selected such that between a connection wedge, by means of which the connection head of the scaffold component on the associated rosette releasably wedged is and a the outer diameter spanning, preferably substantially circular cylindrical, outer surface of the connecting sleeve is formed a gap.
- the gap is about 1 mm to 2 mm.
- 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.
- the diagonal element is mounted without play.
- each rosette of the rosettes of the immediately adjacent rosette of rosettes in a distance corresponding to the simplicity of the grid dimension is welded together to the respective post tube or to the at least one round tube.
- 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 tube connector.
- a scaffold stem of the scaffold stem nearest rosette of the scaffold stem from the nearest rosette the post pipe end has a rosette spacing, which corresponds to an integral multiple of the grid or the simplicity of the grid.
- At least one rosette of the rosettes or at least two or at least three or at least four of the rosettes or all rosettes through holes for insertion of a connection element of a connection head of a scaffold component and / or for insertion of a connection wedge for wedging a connection head a scaffold component on a rosette of the rosettes and / or that it is perforated discs in at least one rosette of the rosettes or at least two or at least three or at least four of the rosettes or in all rosettes.
- Clamping element which has a first thread in the region of its first end or at its first end and 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 a opposite direction, second end facing away has a second thread
- the diagonal element comprises a first diagonal bar and a second diagonal bar, wherein the first diagonal bar at its first Diagonalstabende a second thread, and wherein the second diagonal bar at its first Diagonalstabende a first Has thread, and wherein the first thread of the Solnverstell- 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 ofSearchnverstell- and clamping element with the second thread of the first diagonal bar relative to one another, preferably arranged coaxially to the first axis of rotation, second Rotary axis rotatable, preferably releasably, is screw
- 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.
- Other thread combinations are also conceivable in which the length adjusting and tensioning element has both an internal thread and an external thread, while the first thread of the second diagonal bar is an internal thread and the second thread of the first diagonal rod is an external thread or while 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.
- the first pitch is at least twice as large as 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 a range of 1 mm to 4 mm or about 3 mm.
- Thread ofdomnverstell- and clamping element and the first thread of the second diagonal bar are each associated with a first thread, ie identical first thread types, and that the second thread of the strignverstell- and clamping element and the second thread of the first diagonal bar respectively a second thread, so identical second Thread types are assigned, which is different from the first thread type or are.
- 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 adjusting and
- Clamping element and in the second thread of the first diagonal bar is in each case a metric thread.
- This provides a more accurateHonverstell- 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.
- length adjustment and bracing is possible faster than with two threaded rods with metric threads.
- the invention also relates to an arrangement comprising a lattice girder according to the invention, in particular according to one of claims 1 to 17, a support support for the respective framework and a further, preferably rigid, Truss made of metal comprising a in the direction of its longitudinal axis, preferably rectilinear, extending Obergurtprofil considered, viewed in the direction of its longitudinal axis, at least three or at least five or at least seven or at least nine or at least ten, each in one, preferably the same size Having spaced-apart through holes whose hole axes extend perpendicular to the longitudinal axis of the upper chord, wherein extending through at least one through hole of the through holes, preferably releasable, fastening bolts, by means of which the Auflager modifier is releasably secured to the Obergurtprofil the other specialist werkriads, wherein the support post by means of the fastening bolt, viewed in the direction of the longitudinal axis of the Obergurtprofil
- either the support beam has a through hole whose hole axis extends perpendicular to the longitudinal axis of the Auflagerbalkens and the Auflager relative by means of a through-hole extending, preferably releasable, fastening bolt so releasably connected to the Auflagerbalken
- the Auflagerbalken and Obergurtprofil the other truss girder are pivotable relative to each other about a perpendicular to the longitudinal axis of the Auflagerbalkens and / or Obergurtprofils extending pivot axis - or the first transverse strut of the second
- Truss has a through hole whose hole axis is perpendicular to extending the longitudinal axis of the first transverse strut and the Auflager employment by means of a through the through hole
- Kirckenden, preferably releasable, fastening bolt is releasably connected to the first cross member such that the first cross member of the second framework and the Obergurtprofil the other truss bearer relative to each other about a vertically to the
- Longitudinal axis of the first transverse strut and / or the Obergurtprofils extending pivot axis are pivotable.
- the support beam viewed in the direction of its longitudinal axis, has at least three or at least five or at least seven or at least nine or at least ten, each in a, preferably equal, spaced-apart through holes whose Lochachsen extend perpendicular to the longitudinal axis of the support beam, wherein a through hole of the through holes a, preferably detachable,
- Fastening bolt extends, by means of which the support beam is releasably secured to the support post, wherein the support support by means of the fastening bolt, viewed in the direction of the longitudinal axis of the Auflagerbalkens, at several the through holes of the Auflagerbalkens associated fastening positions detachably fastened - or the first transverse strut of the second
- Truss viewed in the direction of its longitudinal axis, at least three or at least five or at least seven or at least nine or at least ten, each in a, preferably equal to each other, spaced through holes whose hole axes are perpendicular to the longitudinal axis of the first transverse strut, wherein extending through a through hole of the through holes, preferably releasable, fastening bolts, by means of which the first cross member is releasably secured to the support post, the support post by means of the fastening bolt, viewed in the direction of the longitudinal axis of the first cross member, associated with a plurality of the through holes of the first cross member Fixing positions is releasably fastened.
- the Auflager M is releasably secured to the Obergurtprofil of the other truss bearer or on the support beam or on the first cross member of the first or second framework either by means of at least one fastening bolt extending through a through hole of the respective through holes or is releasably secured by at least two fastening bolts, each extending through a through hole of the respective through holes.
- the invention also relates to a bridging and / or supporting structure, for example a pedestrian bridge, a walkway, a podium or a scaffold or a support for a scaffold or a scaffold, a substructure for a scaffold or for a podium or for a roof, in particular for a coffered roof or for a keder roof, or a scaffold or a podium or a roof, in particular a cassette roof or a keder roof, or a suspension for a suspension framework or a hanging scaffold, with at least one lattice girder according to the invention, in particular according to one of claims 1 to 21 ,
- Figure 1 is a plan view of a gable roof designed as gable roof with two truss beams according to the invention according to a first embodiment.
- Fig. 2 is an enlarged plan view in the region of the left in Figure 1 shown
- FIG. 3 shows a three-dimensional view of a truss frame
- FIG. 4 shows the truss frame according to FIG. 3 in a plan view
- FIG. 5 shows the truss frame according to FIG. 4 in a top view
- connection head of a scaffold component with a connection wedge located in its locking position is keyed to a perforated disk of the connection unit;
- FIG. 7 shows the truss frame according to FIG. 4 in a side view from the left;
- Fig. 8 is a three-dimensional view of a preferred embodiment of a turnbuckle together with an end fitting
- FIG. 9 shows the turnbuckle with end fitting according to FIG. 8 in a plan view
- FIG. 10 shows the turnbuckle with end fitting according to FIG. 8 in a side view
- Fig. 1 1 is an enlarged detail of Figure 2;
- Fig. 12 is a cross-sectional view taken along section lines 12-12 in Fig. 11;
- FIG. 13 shows a top view of a saddle roof formed as Kederdachs with two truss beams according to the invention according to a second embodiment.
- FIG. 14 shows an enlarged plan view in the region of the truss girder shown on the left in FIG. 13;
- FIG. 15 shows an enlarged detail of FIG. 14
- FIG. 16 is a perspective view of a framework according to the invention according to the second embodiment.
- FIG. 17 is a side view of the framework according to FIG. 16; FIG.
- Fig. 18 is a cross-sectional view taken along section lines 18-18 in Fig. 15;
- FIGS. 1 and 13 each show a top view of a keder roof designed as a saddle roof with a bridging support 90.1 or 90.2, each with a plurality of truss frames 20; 20.1, 20.2, with a first truss frame 91 and with two inventive first truss beams 120.1, 120.1 and 120.2, 120.2 is formed.
- the first truss beams 120.1 according to the invention; 120.1 are supported in each case via a support 92 or via a support support 93 on a further truss 120.3, which can also be marked as a lattice girder.
- FIGS. 2 and 11 As well as FIGS.
- two connecting heads 95 designed as wedge heads are mounted on the outside, parallel vertical tubes 94. 1, 94. 2 of this further truss carrier 120. measure a module stand corresponding distance 96 welded to each other.
- a scaffold post 97.1, 97.2 is releasably fixed via perforated disks 50 by means of a respective connecting wedge.
- the perforated discs 50 of the two parallel scaffold stems 97.1, 97.2 are in the grid dimension of a modular framework corresponding distance
- an elongated, adjustable-length connecting means 99.1, 99.2 is detachably fastened respectively in the region of the truss girder 120.1, 120.2 according to the invention, which can also be referred to as a "drawstring".
- the two first truss beams 120.1, 120.1 according to the invention are each constructed with a truss frame 20.1.
- all but the first truss frame 91 are all others
- Timber frame 20.1 has the same structure and design.
- the two inventive second truss girders 120.2, 120.2 each constructed with a truss frame 20.2.
- this bridging support 90.2 with the exception of the two truss frames 20.2 and with the exception of the truss truss frame 91, all other truss frames 20.1 have the same design and design.
- FIGS. 2 and 14 One of the truss frames 20.1 of the bridging support 90.1 is shown in FIGS. 2 and 14, respectively on the right, obliquely above the respective first truss beam 120.1 or 120.2 according to the invention and separately in FIGS. 3 and 4.
- FIG. 11 A detail of the first truss beam 120.1 according to the invention according to the first exemplary embodiment according to the invention is shown in FIG. 11, together with a
- FIG. 15 A section of the second truss girder according to the invention 1 20.2 according to the second embodiment is shown in Figure 15, together with a
- Each truss frame 20 is composed of several rod-shaped steel parts detachable again.
- Essential individual parts are two identical, elongated post tubes 21, two equal, elongated crossbars 22 and at least one length-adjustable, elongated diagonal element 23.
- the truss girder 120.1 according to the invention; 120.2 or their truss frames 20.1, 20.2 each comprise two corresponding, adjustable in length, elongated, diagonal elements 23.1, 23.2, as shown in particular from Figures 1 and 2 or 13 and 14.
- the two post tubes 21 and the two transverse bars 22 and the at least one diagonal element 23 are connected via releasable bolts 24 articulated and releasably connected to 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 at a Frame 25 connected.
- 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.
- the at least one diagonal element 23 is installed or tensioned without play.
- the truss frame is used or a plurality of corresponding truss frames 20 serve to build the Bridging and / or supporting structure shown in Figures 1 and 13. Therein, each truss frame 20; 20.1, 20.2 intended installed so that the post pipes 21 are arranged vertically.
- 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 first post tube 21 shown on the left in each of FIGS. 3 to 5 has a second post tube 21 from the longitudinal axis 26 of the second post tube 21 shown on the right in FIGS Distance 31 on.
- This distance 31 corresponds to a system distance of a modular scaffold system.
- said distance 31 is a system distance of the Layher Allround modular scaffolding system.
- said distance 31 is about 2070 mm or 1572 mm.
- Each transverse bar 22 extends substantially straight along its longitudinal axis 27.
- the longitudinal axis 27 of the in Figures 3 to 5 respectively below shown, first cross bar 22 has a distance 32 from the longitudinal axis 27 of the in Figures 3 to 5 respectively shown above, the second cross bar 22.
- this distance 32 is about 1800 mm.
- the post pipes 21 are round tubes or post round tubes.
- 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.
- the post pipes 21 are made of S355 grade steel.
- Each post tube 21 has a first post tube end 33.1 in FIGS. 3, 4 and 7 and a second post tube end 33.2 pointing away therefrom and in FIGS. 3, 4 and 7 respectively.
- 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 transverse bar 22 has a first transverse bar end 35.1 shown on the left in FIGS. 3 to 5 and a second transverse bar end 35.2 pointing away therefrom and shown on the right in FIGS.
- 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 connections for binder 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.
- 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-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.
- each 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 an essentially 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 connecting sleeve 41 encloses the outer circumference 44 of the respective post tube 21 completely and uninterruptedly.
- Each connection sleeve 41 is welded at its mutually facing away sleeve ends to the post tube 21 inserted therein.
- Connection plates 36.2 each have a receiving slot 47.
- the latter is open to the respective post pipe 21 side facing the respective second and upper connection plate 36.2.
- 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 two
- 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 orifice plate 50 of each post tube 21 has, in a manner known per se, eight through-holes, each of which is offset from one another at a circumferential angle of 45 degrees. In this case, four small through-holes and four large through-holes are also provided, which are arranged alternately, so that viewed in the circumferential direction, a large through-hole is arranged between each two small through-holes and a small through-hole is provided between each two large through-holes is.
- 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.
- these perforated disks 50 are arranged such that in each case two small through-holes of the four small
- a transverse rail 22 of the two transverse bars 22 is in each case releasably connected by means of a releasable bolt 24, which is again detachably connected through the respective passage opening 48 of the respective crossbar connecting lug 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
- the at least one diagonal element 23 is likewise via detachable bolts 24 on diagonally opposite, mutually extending diagonal elements Connection tabs 40.1, 40.2 both a second or upper connection plate 36.2 of the second or upper connection plates 36.2, for example of the first or left post tube 21, and on a first or lower connection plate 36.1 of the first and lower connection plates 36.1, for example of the second or right post tube 21, detachably connected again.
- Each of these bolts 24 extends with his
- 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.
- 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.
- each top perforated disc 50 which partially in the receiving slot 47 of the slotted, second or upper connecting plate 36.2 is recorded, even three more identical perforated disks 50 are welded.
- All perforated disks 50 of each post pipe 21 are each viewed in the direction of the longitudinal axis 26 of the respective post pipe 21 in a distance 55 corresponding to one another of the modular spacing of a modular scaffold or modular scaffold system, in particular the Layher Allround modular scaffold or modular scaffold system.
- this distance 55 is about 500 mm.
- each post tube 21 that perforated disc 50 of the perforated discs 50, which has the greatest distance from the second or upper post tube end 33.2 or which is assigned to the first or lower post tube end 33.1, points from one to the respective first and lower post tube end 33.1 trained front edge of the respective pole tube 21 a distance 59.
- 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.
- connection disk 57 made of solid material, also referred to as a connecting body is welded in a distance 56, preferably about 145 mm to 155 mm, to the end edge of the respective post pipe 21 formed on the respective first and lower post pipe end 33.1.
- Each connecting disk 57 has an outer diameter, preferably approximately 100 mm.
- Each connecting disk 57 has a disk thickness corresponding, preferably, to the perforated disk thickness of the perforated disks 50.
- the pane thickness is approximately
- 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.
- connecting sleeve instead of the respective connecting disk 57, one, Preferably the same, connecting sleeve conceivable as it is provided on the opposite, second or upper Pfostenrohrende 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.
- each connecting disc 57 is arranged at the height of the transverse locking connecting tab 39.1 of the respective first and lower connecting 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 in each case Dywidag bars or tension rods which have a Dywidag external thread.
- Each diagonal bar 60.1, 60.2 has a first diagonal bar end 61 .1; 61 .2 and one of them, in an opposite direction, facing away from the second diagonal position. end 61.2; 62.2.
- the first diagonal bar 60.1 shown at the bottom right in FIGS. 3 and 4 has a first diagonal bar length
- the second diagonal bar 60.2 shown at the left in FIGS. 3 and 4 has a second diagonal bar length.
- 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 staffs 61 .1, 61 .2; 62.1, 62.2 attached to a length adjustment means or turnbuckle designated Suitenverstell- 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 length adjustment and tensioning element 65 has an internal thread 63.1, 63.2 at each of its ends 66.1, 66.2 pointing away from each other, into which in each case the external thread 64.1, 64.2 of the associated diagonal bar end 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 toward 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 diagonal bars 60.1, 60.2 are moved away from each other in opposite directions.
- Each diagonal bar 60.1, 60.2 has at its from 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 lugs on, which extend at a distance parallel to each other from the respective diagonal bar 60.1 60.2 away.
- Each connecting lug of these connecting lugs has a passage opening for a bolt 24.
- the passage openings for the bolts 24 are circular-cylindrical through-holes.
- the bolts 24 are circular cylindrical bolts.
- the truss frame 20 may preferably be assembled together as follows: First, a frame 25 is constructed from the two post tubes 21 and from the two cross bars 22. Subsequently, the at least one diagonal element 23 is installed in the frame 25. Subsequently, the respective length adjustment and tensioning element 65 is rotated in the first direction of rotation about its longitudinal axis 78, until the two diagonal bars 60.1, 60.2 moved toward one another by simultaneous shortening of the length of the at least one diagonal element 23 cause the same Frame 25 forming post pipes 21 and transverse bolt 22 are connected to each other without play or 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 at least one diagonal element 23 without play or clamped.
- a specific elevation of a further at least one truss frame 20 and releasably connected thereto by means of corresponding, releasable bolts, further identical or similar crossbars and at least one further connected thereto can be increased.
- ren identical 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 and the adjacent other post pipe, further or similar diagonal element formed binder or truss carrier can be achieved.
- each 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.
- 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.
- the outer diameter 45 of the connecting sleeve 41 is set smaller than a smallest distance between an inner, upstream, vertical wedge abutment surface of an upper head part 73 of the connection head 70 and an outer, front, vertical abutment surface 74 of the upper head part 73 of the connection head 70, with which it is supported in the state wedged by means of the connecting wedge 72 on the outer surface of the post tube 21.
- a vertical gap 76 is formed in the wedged state between the front, vertical wedge abutment surface 75 of the connecting wedge 72 and the outer circumference of the connecting sleeve 41 located opposite the wedge abutment surface 75.
- the gap 76 is about 2.1 mm.
- the outer diameter 45 of each connecting sleeve 41 of the at least two connecting sleeves 41 is selected such that between the
- connection head 70 of the frame member 71st at the associated perforated disc 50 is releasably wedged and the outer diameter 45 spanning outer surface of the connecting sleeve 41, a gap 76 is formed.
- the perforated disks 50 are also referred to as connection elements.
- FIGS. 8 to 10 show a preferred exemplary embodiment of a turnbuckle 65, also referred to as a length adjustment means or a length adjustment and tensioning element, together with an end fitting 77 fastened detachably 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.
- first slot 80.1 and a second slot 80.2 which are open on both sides of the actuator plate 79 out.
- first slot 80. 1 and the second slot 80. 2 are bounded 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 is arranged perpendicular to the longitudinal axis 78 of the actuator plate 79 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 Figures 3 and 4).
- a first slot 80.1 passing through the first slot 80.1 is arranged and on the second
- End 66.2 is a second slot 80.2 passing through a 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 one along its second
- 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.
- 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
- the first female thread 63.1 is a dibber thread having a first pitch of 10 mm
- the second internal thread 63.2 is a metric thread having a second pitch Slope of 3 mm.
- 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 holes 87.1, 87.2 for inserting a bolt 24 for fastening the end fitting 77 by means of a detachable bolt 24 on one of the connection plates 36.1 to 36.4 , According to the embodiment shown in FIGS. 3 and 4, shown embodiment may be, for example, each shown there on the bottom right first connection plate 36.1.
- a nut 89 can be screwed onto the second external thread 64. 2 of the first diagonal bar 60. 1 in a region between the second long nut 84. 2 and the connection element 88 of the end fitting 77. As shown in FIGS. 8 to 10, this nut 89 can preferably be braced against the second long nut 84.2 after the length adjustment or after the tensioning of the diagonal element 23 with the aid of the turnbuckle 65, by turning the nut 89, preferably in a clockwise direction so that the nut 89 can then act as a lock nut.
- first internal thread 63.1 of the first long nut 84.1 of the turnbuckle 65 as shown in Figures 3 and 4, a matching first external thread 64.1 of a second diagonal bar 60.2 be screwed or screwed releasably.
- 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. Due to the inventive design and training of turnbuckle
- a more precise Verspann-possibility is created as with a turnbuckle, in which two in opposite directions rotating internal threads or a left-hand thread and a right-hand thread, are provided with identical pitches.
- 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.
- 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 one shown in the figures, preferred
- Turnbuckle 65 or alternatively a Pope-hand thread may be used, which has a right-hand thread at one end and a left-hand thread at its other end, or vice versa, while the two diagonal bars either a right-hand thread or a left-hand thread aufwei- sen.
- the truss frame 20 is used to build a bridging and / or supporting structure is constructed of several, in particular rod-shaped, individual parts of metal, comprising two elongated, each in
- each post pipe end 33.1, 33.2 of the post pipes 21 are each two parallel connection plates 36.1, 36.2 attached, in one of the longitudinal axes 26, 27 of the post tubes 21 and the cross bar 22 contained, common, imaginary
- Each cross bar 22 has crossbar ends 35.1, 35.2 pointing away from each other, which are each fastened to a connection plate 36.1, 36.2 of the connection plates 36.1, 36.2, preferably by means of one, in particular releasable, pin 24, preferably articulated and detachable.
- the diagonal element 23 has facing away diagonal element ends 61 .2, 62.2, each at a connection plate 36.1, 36.2 of the connection plates 36.1, 36.2, preferably by means of one, in particular releasable, pin 24, preferably articulated and releasably secured.
- one connecting body 41, 57 enclosing the outer circumference 44 of the respective post tube 21 is firmly welded.
- the respective two connecting plates 36.1, 36.2 fastened in the region of these post tube ends 33.1, 33.2 are at least welded firmly to the respective connecting body 41, 57.
- the first truss girder 120.1 according to the invention, with the exception of its lower chord 101.l, has the same design as the truss frame or gantries 20.
- the lower girder is characterized by the same reference numerals 101.1 of the first truss girder 120.1 is likewise formed with a lower transverse bar 22, which is here additionally marked by the reference numeral 22.1 for the sake of better distinctness
- the further, upper transverse bar 22 of the first truss girder 120.1, which, for better distinctness, is additionally denoted by the reference sign 22.2 is the upper flange 102.1 of the first truss girder 120.1
- Post tubes 21 of the first truss girder 120.1 are for better distinctness because additionally with the reference numerals 21 .1 and 21 .2 characterized.
- Said first transverse bar 22.1 of the first truss girder 120.1 is part of the rigid first truss 100.1 made of metal, so that the first Cross bar 22.1 forms a top flange 103 of the first framework 100.1.
- the first truss 100.1 comprises a first transverse strut 104, which extends in the direction of its longitudinal axis 105 and forms a lower chord profile 106 of the first truss 100.1.
- the first cross strut 104 is a round tube.
- the first truss 100.1 includes a plurality of support struts 107 which extend between the first transverse strut 104 and the first transverse latch 22.1 in the direction of their respective longitudinal axis.
- the support struts 107 are welded, with the exception of a central diagonal support strut 107.4, with their support strut ends both on the first cross bar 22.1 and on the first cross strut 104.
- the said diagonal support strut 107.4 is with her one
- Support strut end welded to the first cross bar 22.1, while their other support strut end is welded to a perpendicular to the first cross member 104 extending support strut 107.3.
- the longitudinal axis 27 of the first transverse bar 22. 1 and the longitudinal axis 105 of the first transverse bar 104 enclose an acute angle 108, for example 20 degrees.
- the angle 108 corresponds to the roof pitch.
- the first framework 100.1 comprises seven support struts 107; 107.1 to 107.7.
- the five support struts 107.1, 107.2, 107.3, 107.5, 107.7 are formed with round tubes.
- the two support struts 107.2, 107.6 are formed with rectangular tubes. Of the formed with round tubes five support struts 107.1,
- 107.2, 107.3, 107.5, 107.7 are two support struts 107.2, 107.7 diagonal support struts.
- the three further support struts 107.1, 107.3, 107.5 formed with round tubes are vertical support struts. These extend with their longitudinal axes in each case perpendicular to the longitudinal axis 105 of the first transverse strut 104 parallel to each other.
- a first vertical support strut 107.1 of these three vertical support struts 107.1, 107.3, 107.5 delimits the first framework 100.1 on a first outer side 109.1 of its two outer sides 109.1, 109.2.
- This first vertical support strut 107.1 has the largest length of the three vertical support struts 107.1, 107.3, 107.5. on.
- the second vertical support strut 107.3 which is spaced apart in the direction of the other outer side 109.2 from the first support strut 107.1, has a second length which is smaller than the length of the first vertical support strut 107.1 and which is greater than the length of the third vertical - Support strut 107.5, viewed in the direction of the said other outer side 109.2 toward, is arranged at a horizontal distance from the second vertical support strut 107.3.
- On the third vertical support strut 107.5 a single perforated disc 50 is welded to the connection of and / or terminal heads of scaffolding components.
- At the first vertical support strut 107.1 are two perforated disks 50 for connection of and / or to connection heads of
- the lower perforated disc 50 of these two perforated discs 50 is mounted at a distance from the first transverse strut 104, which corresponds to the distance of the perforated disc 50 attached to the third vertical support strut from the first transverse strut 104.
- a first diagonal support strut 107.2 of the four diagonal support struts 107.2, 107.4, 107.6, 107.7 extends.
- This first diagonal support strut 107.2 is a round tube.
- a second diagonal support strut 107.4 which is a rectangular tube.
- a third diagonal support strut 107.6 extends along its longitudinal axis approximately perpendicular to the longitudinal axis of the second diagonal support strut 107.4.
- the third diagonal support strut 107.6 is a rectangular tube.
- the third diagonal support strut 107.6 extends between the third vertical support strut 107.6.
- the fourth diagonal support strut 107.7 is a round tube.
- the fourth diagonal support strut 107.7 is the shortest of the total seven support struts 107.
- Diagonal support strut 107.4 and the fourth diagonal support strut 107.7 are in approximately the same directions.
- the two support struts 107.4, 107.6 designed as rectangular tubes have a rectangular cross-section, the longer side of the respective rectangular tube extending in the direction of the longitudinal axis 105 of the first transverse strut 104.
- An essential feature of the first truss girder 120.1 according to the invention is that the longitudinal axes 26 of the post pipes 21 .1, 21 .2, the longitudinal axes 27 of the cross bars 22.1, 22.2, the longitudinal axis 105 of the first cross member 104 and the longitudinal axes of the support struts 107.1 to 107.7 in an imaginary, common truss level 28 are arranged.
- the first truss girder 120.1 is supported on the support beam 1 14 and the bearing support 93 containing bearing 92, which is supported on the other truss girder 120.3. These components form a support arrangement.
- the further truss girder 120.3 contains a in the direction of its longitudinal axis 1 1 1 extending Obergurtprofil 1 10.
- the Obergurtprofil 1 10 has viewed in the direction of its longitudinal axis 1 1 1, at least three or at least five or at least ten, for example, fifteen, each at a distance from each other arranged through holes 1 12 on.
- Immediately adjacent through holes 1 12 are arranged at equal intervals to each other.
- the hole axes of the through holes 1 12 extend perpendicular to the longitudinal axis 1 1 1 of Obergurtprofils 1 10.
- At least one through hole 1 12 of the through holes or through at least two of the through holes 1 12 or through at least three of the through holes 1 12 extends one or each a releasable fastening bolt 1 13, by means of which or the support 92 is releasably secured to the upper flange section 1 10 of the other truss carrier 120.3.
- the support 92 is by means of the releasable fastening bolts 1 13, viewed in the direction of the longitudinal axis 1 1 1 of the Obergurtprofils 1 10, detachably fastened to a plurality of the through holes 1 12 of the Obergurtprofils 1 10 associated mounting positions.
- the support 92 is a rocker.
- the rocker comprises the support post 93 and the support beam 1 14 extending in the direction of its longitudinal axis.
- the support beam 1 14 is pivotable relative to the support support 93 about a pivot axis extending perpendicularly to the longitudinal axis of the support beam 1 14.
- the support beam 1 14 has viewed in the direction of its longitudinal axis 1 15 a plurality of, for example, seventeen, through holes 16 1. Immediately adjacent through holes 16 of these through holes 16 are arranged at an equal distance from one another.
- the hole axes of the through holes 1 16 extend perpendicular to the longitudinal axis 1 15 of the support beam 1 14.
- a through hole 1 16 of the through holes 1 16 of the support bar extends a single, releasable fastening bolt 1 13, by means of which the support beam 1 14 on the Auflager 100 93rd detachably and is pivotally mounted relative to this about the pivot axis.
- the support beam 1 14 is by means of one
- the first truss 120.1 is based on his first truss 100.1, especially on its trained as a round tube first cross member 104 on the support beam 1 14 and is releasably secured thereto by means of a coupling connection.
- a coupling connection For this purpose, several, viewed in the direction of the longitudinal axis 1 15 of the support beam 1 14, offset from one another arranged round pipe couplings can be provided.
- Each round tube coupling of these round tube couplings may each comprise two coupling half shells (see Figures 2 and 1 1).
- the second truss beam 120.2 according to the invention will be described in more detail below. Compared with the embodiment shown in Figures 1 1 and 12 the same components are in the second truss 120.2 with
- the second truss girder 120.2 according to the invention comprises a second gantry frame 20.2, which is fundamentally the same design as the first truss frame 20.1 of the first truss girder 120.1 or the one in FIGS Figures 3 to 5 and 7 shown truss frame
- the truss frame 20.2 of the second truss girder 120.2 differs from the truss frame 20; 20.1 of the first truss girder 120.1 by a smaller width.
- the length of the two transverse bars 22.1, 22.2 and thus the respective length of the lower belt 101 .2 and the upper belt 102.2 of the second truss frame 20.2 of the second truss carrier 120.2 is smaller than the length of the two transverse bars 22.1, 22.2 of the truss frame 20.1 of the first truss 120.1.
- the post pipe distance 31 .2 also corresponds to a system distance of a modular scaffold system.
- said post pipe distance 31 .2 is a system distance of the Layher Allround modular scaffolding system.
- said post tube spacing 31 .2 is about 1572 mm.
- the second girder girder 120.2 of the first girder 120.2 is the first Crossbar 22.1 containing truss frame 20.2 and the rigid second truss 100.2 made of metal separate components or components that are releasably attached to each other.
- This second truss 100.2 is structurally similar to the first truss 100.1.
- a first essential difference is that in the second truss 100.2, the second transverse strut 1 17 forming an upper chord is in each case provided with a connection element at its two transverse strut ends 1 18.1, 1 18 Connecting sleeve or to a connecting pipe 1 19.1, 1 19.2 acts. This is in the direction of a first connecting pipe axis
- the first connecting pipe 1 19.1 is at a first transverse strut end 1 18.1 of the two transverse strut ends 1 18.1, 1 18.2 of the second cross member 1 17 and the upper belt on the outer circumference of the second cross member 1 17 j. of the upper belt.
- the second connecting pipe extending in the direction of a second connecting pipe axis 121 .2, also referred to as a second connecting element
- first connection pipe 1 19.1 and the second connection pipe 1 19.1 extend in a same direction away from the second transverse strut 17 and away from the upper flange.
- the first connecting pipe 1 19.1 or its first connecting pipe axis 121 .1 and the second connecting pipe 1 19.2 or its second connecting pipe axis 121 .2 extend parallel to one another in a connecting pipe distance 131 which corresponds to the post pipe distance 31 .2 of the first Post tube 21 .1 of the second post tube 21 .2 corresponds.
- a further difference, according to the embodiment of the second framework 100.2 shown in particular in FIGS. 16 and 17, is that the first transverse strut 122 forming the lower flange, viewed in the direction of its longitudinal axis 123, has a plurality of at least three or at least five or more at least ten, each in a, preferably equal, spaced apart through holes 124 is provided.
- the hole axes of the through holes 124 extend perpendicular to the longitudinal axis 123 of the first transverse strut 122.
- the first transverse strut 122 or the lower flange of the second truss 101 .2 is a square tube.
- the square tube can, viewed in a sectional plane perpendicular to the longitudinal axis 123, preferably have a rectangular cross-section.
- the square tube then designed as a rectangular tube is arranged in the second truss 100.2 such that the longer transverse axis of the square tube in the mounted state forms a vertical axis.
- the second framework 100.2 comprises seven support struts 107.
- support struts 107 are the same except for a few differences and arranged as the support struts 107 of the first framework 100.1.
- the second truss in the case of the diagonal support strut 107.2 which extends between the outside, long, designed as a round tube and two perforated discs 50 support strut 107.1 and in the direction of the second outer side 109.2 of the second specialist plant 100.2 next, designed as a round tube, provided with no perforated disc support strut 107.3 extends, not a round tube, but a square rectangular tube.
- the further diagonal support strut 107.4 which is formed between the said, designed as a round tube, with no perforated disc support strut 107.3 and in the direction of the second outer side 109.2 of the second framework 100.2 next, designed as a round tube, with a single perforated disc 50 provided support strut 107.5 stretches, not welded to the lower flange of the second framework 100.2 forming the first cross member 104, but on the said, designed as a round tube, with no perforated disc provided support strut 107.3.
- 107.1, 107.3, 107.5, 107.6, 107.7 of the second framework 100.2 are arranged and designed substantially the same as the corresponding support struts 107.1, 107.3, 107.5, 107.6, 107.7 of the first framework 100.1.
- the perforated disc arrangement and design in the second framework 100.2 corresponds to the perforated disc arrangement and perforated disc design in the first framework 100.1.
- the second truss 100.2 is detachably connected via its two connecting pipes 1 19.1, 1 19.2 with the truss frame 20.2. This is such that the first connecting pipe 1 19.1 is detachably connected to the first post pipe 21 .1 of the truss frame 20. 2 by means of a pipe connector 125, as shown in FIG.
- Pipe connector 125 is detachably connected to the second post pipe 21 .2 of the truss frame 20.2.
- the respective pipe connector 125 is inserted with a first pipe connector part in the associated post pipe 21 .1, 21 .2 and inserted with a second pipe connector part in the associated connection pipe 1 19.1, 1 19.2.
- Each pipe connector 125 is on the one hand with the associated post pipe 21 .1, 21 .2 and on the other hand with the associated connection pipe 1 19.1, 1 19.2 bolted by bolts and / or screwed by means of screws.
- connection technique is compared to a coupling connection, as it is realized in the first embodiment shown in particular in Figures 2 and 1 1, much more time-saving.
- the second truss 100.2 Due to the provided in the second truss 100.2 connection pipes 1 19.1, 1 19.2, the second truss 100.2 can also be used so that instead of the special post pipes 21 .1, 21 .2 of the truss frame 22.2 simple standard module scaffolding posts, especially Layher Allround scaffolding posts on which a bearing forming second framework 100.2 can be mounted.
- the distance 131 between the two connecting pipes 1 19.1, 1 19.2 corresponds to a system distance of a modular scaffold system, preferably a system distance of the Layher Allround modular scaffolding system, ie, for example, about 1572 mm, then the detachably mounted on the connecting pipes 1 19.1, 1 19.2, Parallel standard scaffolds also the corresponding system distance 31 .2 to each other.
- the first transverse strut 122 of the second framework 100.2 forming the lower flange can also be designed as a round tube.
- This embodiment variant is particularly preferred if, instead of a stationary solution, as shown by way of example in the figures, a mobile solution is to be realized.
- a mobile solution is to be realized.
- designed as a round tube bottom flange of the second framework can be mounted on casters of a trolley, not shown in the figures.
- the first transverse strut 122 forming the lower girdle of the second truss 100.2 is connected by means of a single releasable fastening bolt 1 13 extending through a through hole 124 of the through holes of the first transverse strut 122. attached to the inscribable as Auflager recording Auflager 100 93 releasably attached.
- the support post 93 can be releasably secured by means of a fastening bolt 1 13, viewed in the direction of the longitudinal axis 123 of the first cross member 122, at a plurality of fastening positions associated with the through holes 124 of the first cross member 122.
- a fastening bolt 1 13 viewed in the direction of the longitudinal axis 123 of the first cross member 122, at a plurality of fastening positions associated with the through holes 124 of the first cross member 122.
- the bearing support 93 is at least one releasable fastening bolt 1 13 or at least two releasable fastening bolts or at least three detachable fastening bolt 1 13, of which the or each fastening bolt 1 13 through a through hole 1 12 of the through holes 1 12 of the upper flange 1 10 of the other truss 120.3 extends, on the upper flange 1 10 of the other truss 120.3 releasably attached. Also in this case, a seesaw is realized.
- This rocker comprises the support post 93 and the first transverse strut 122 forming the lower flange of the rigid second truss 100.2.
- the first transverse strut 122 may also be referred to as a support beam.
- the first transverse strut 122 and consequently the entire rigid second truss 100. 2 can be inclined relative to the abutment support 93 about a vertical position. be pivoted to the longitudinal axis 123 of the first cross member 122 extending pivot axis.
- the pivot axis is also predetermined here by the single bolt 1 13, by means of which the support support 93 and the first transverse strut 122 of the second framework 100.2 are releasably connected to one another.
- An essential feature of the second embodiment of the second truss beam 120.2 according to the invention is that the longitudinal axes 26 of the post pipes 21 .1, 21 .2, the longitudinal axes 27 of the cross bar 22.1, 22.1, the longitudinal axes 123, 127, the cross struts 123, 1 17, the connecting tube axes
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17718817T PL3402938T3 (pl) | 2016-04-08 | 2017-03-27 | Modułowy dźwigar kratownicowy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016106486.6A DE102016106486A1 (de) | 2016-04-08 | 2016-04-08 | Modularer Fachwerkträger |
PCT/DE2017/100246 WO2017174066A1 (de) | 2016-04-08 | 2017-03-27 | Modularer fachwerkträger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3402938A1 true EP3402938A1 (de) | 2018-11-21 |
EP3402938B1 EP3402938B1 (de) | 2019-05-22 |
Family
ID=58609339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17718817.4A Active EP3402938B1 (de) | 2016-04-08 | 2017-03-27 | Modularer fachwerkträger |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3402938B1 (de) |
DE (2) | DE102016106486A1 (de) |
ES (1) | ES2740875T3 (de) |
PL (1) | PL3402938T3 (de) |
WO (1) | WO2017174066A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT522359B1 (de) | 2019-03-25 | 2021-04-15 | Progress Holding Ag | Verbindungsvorrichtung zum kraftschlüssigen Verbinden wenigstens zweier Betonfertigteile |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9110828U1 (de) * | 1991-08-22 | 1992-01-09 | Guenter Rux Gmbh, 5800 Hagen, De | |
DE59912391D1 (de) * | 1999-03-12 | 2005-09-15 | Layher W Vermogensverw Gmbh | Schnell-Montage-Hallendach |
DE102009021424A1 (de) | 2009-05-14 | 2010-11-18 | Wilhelm Layher Verwaltungs-Gmbh | Rahmenförmiges Fachwerk |
DE102013206584A1 (de) * | 2013-04-12 | 2014-10-16 | Peri Gmbh | Planenrolle |
AU2015263826A1 (en) * | 2014-05-19 | 2016-10-27 | Form 700 Pty Ltd | A joiner |
DE202014106083U1 (de) * | 2014-12-16 | 2015-01-14 | B+P Gerüstbau Gmbh | Schnell-Montage-Wetterschutzdach |
KR102270677B1 (ko) | 2015-01-13 | 2021-06-29 | 현대모비스 주식회사 | 차량 안전 주행 장치 |
DE102015103209A1 (de) | 2015-03-05 | 2016-09-08 | Wilhelm Layher Verwaltungs-Gmbh | Fachwerkrahmen, modularer Fachwerkträger und Überbrückungs- und/oder Tragkonstruktion |
-
2016
- 2016-04-08 DE DE102016106486.6A patent/DE102016106486A1/de not_active Withdrawn
-
2017
- 2017-03-27 WO PCT/DE2017/100246 patent/WO2017174066A1/de active Application Filing
- 2017-03-27 ES ES17718817T patent/ES2740875T3/es active Active
- 2017-03-27 EP EP17718817.4A patent/EP3402938B1/de active Active
- 2017-03-27 DE DE112017001864.1T patent/DE112017001864A5/de active Pending
- 2017-03-27 PL PL17718817T patent/PL3402938T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
WO2017174066A1 (de) | 2017-10-12 |
PL3402938T3 (pl) | 2020-04-30 |
EP3402938B1 (de) | 2019-05-22 |
DE102016106486A1 (de) | 2017-10-12 |
ES2740875T3 (es) | 2020-02-06 |
DE112017001864A5 (de) | 2019-01-17 |
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