EP2253764B1 - Treillis en forme de cadre - Google Patents

Treillis en forme de cadre Download PDF

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Publication number
EP2253764B1
EP2253764B1 EP10155430.1A EP10155430A EP2253764B1 EP 2253764 B1 EP2253764 B1 EP 2253764B1 EP 10155430 A EP10155430 A EP 10155430A EP 2253764 B1 EP2253764 B1 EP 2253764B1
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EP
European Patent Office
Prior art keywords
post
scaffolding
framework
heads
modular
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.)
Active
Application number
EP10155430.1A
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German (de)
English (en)
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EP2253764A2 (fr
EP2253764A3 (fr
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Wilhelm Layher Verwaltungs GmbH
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Wilhelm Layher Verwaltungs GmbH
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Priority to PL10155430T priority Critical patent/PL2253764T3/pl
Publication of EP2253764A2 publication Critical patent/EP2253764A2/fr
Publication of EP2253764A3 publication Critical patent/EP2253764A3/fr
Application granted granted Critical
Publication of EP2253764B1 publication Critical patent/EP2253764B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D6/00—Truss-type bridges
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect

Definitions

  • the invention relates to a frame-shaped framework for the construction of a bridging and / or supporting structure, in particular for the construction of a modular truss girder for a bridging and / or supporting structure, for example a pedestrian bridge, a catwalk, a podium or a scaffold consisting of several, again detachable ,
  • Bar-shaped items of metal namely at least two, preferably tubular, post, is composed of at least two transverse elements and at least one diagonal element, wherein in the built or installed state, the mutually parallel vertical posts and extending perpendicular to each other parallel, horizontal transverse elements are releasably interconnected by means of bolts, the horizontal bolt axes extending transversely, preferably perpendicularly, to the longitudinal axes of the posts and to the longitudinal axes of the transverse elements, and wherein the, preferably adjustable in length, diagonal element in diagona l opposite areas is releasably secured by bolts, the horizontal bolt axes extend trans
  • It is a modular, bolted steel truss structure, which is connected as a load-bearing unit to the actual scaffolding construction of a modular scaffold.
  • the truss is offset parallel to the bridge and connected to one side welded wedge heads.
  • the intervening module-scaffold construction here carries only the floors and serves as a stiffener.
  • This separate truss construction has a comparatively high load capacity.
  • this truss construction is only very limited use and also with respect to the recordable or transferable forces and moments, in particular perpendicular to the truss level, is limited.
  • the connecting means in the form of a perforated disc for connection of scaffolding components and / or to scaffolding components of one or the modular scaffold includes, and wherein in or in each upwardly open post pipe and / or in the post opening of the one or each post of the or each post attachment is inserted, and wherein the perforated disc, or the respective inserted into the post tube and / or in the post opening of the or of the respective post and at this vertically supporting post attachment in an integer multiple of the grid corresponding, preferably an integer multiple of 50 cm, in particular 50 cm, amounting, vertical distance to a multiple connection head, in particular to the top multiple connection head, this post is arranged, particularly advantageous extended possibilities be achieved for a vertical arrival and / or the continuation and thus for extended application and application possibilities.
  • the post attachment can be constructed such that always a perforated disc spacing, in particular 50 cm, is complied with.
  • This measure corresponds to the grid dimension of the modular scaffold system or allround scaffold of the applicant.
  • first connection head and the arranged at the same height second connection head of one or each multiple or double connection head are designed symmetrically to the truss level and / or the same. Accordingly, the first terminal head and the same height arranged second connection head form a connection head pair.
  • a first multiple connection head is arranged in the region of a first or lower post end of the post and if a second multiple connection head is arranged in the region of a second or upper post end of the post facing away from the first post end are.
  • each post has at least or exactly three, preferably four or exactly four, multiple connection heads, which are each arranged at vertical distances from each other.
  • the third multiple connection head arranged between the first and the second multiple connection head can preferably be fastened to the post at the level of a railing element or railing to be connected. This results in particular in this area particularly advantageous stabilization and support options.
  • the multiple connection heads are arranged in a vertical distance corresponding to an integer multiple of the grid dimension, preferably an integer multiple of 50 cm.
  • the truss structure can be optimally attached to or integrated into a modular scaffolding and thereby a multiplicity of new, extended application and application possibilities can be realized.
  • a third multiple connection head can be arranged in a vertical distance corresponding to an integer multiple of the grid dimension, preferably of 100 cm, to the first multiple connection head arranged at the lower post end of the post.
  • a fourth multiple terminal head may be arranged at a vertical pitch corresponding to an integer multiple of the pitch, preferably 50 cm, to the second multiple terminal head disposed at the upper post end of the post, in particular, the fourth multiple terminal head from the third multiple -Connection head may have an integer multiple of the grid dimension corresponding vertical distance, preferably of 100 cm.
  • the first multiple connection head may preferably have a vertical distance of 250 cm from the second multiple connection head.
  • the connecting heads of the multiple or double connection heads extending in the same direction away from the post in each case in such a horizontal transverse distance to the truss level or to the longitudinal axis of the post on the post are fastened in that at one of at least one of these connection heads, preferably at a plurality of these connection heads, by means of a respective connecting wedge via a plugged into the respective Aufsteckschlitz these connection heads connection means, preferably in the form of a rosette, in particular in the form of a perforated disc, connected scaffolding component, for example scaffold tube ,
  • a modular scaffolding the longitudinal axis of the scaffold component and the parallel truss level or longitudinal axis of the Post have a horizontal center distance of 154 mm.
  • the framework according to the invention can be ideally combined with the modular scaffold system of the Applicant, ie with the all-round scaffold or with a modular scaffolding system which may be appropriate.
  • the center distance of 154 mm corresponds exactly to that measure, which results from the connection of two stems one or the modular framework, in particular so-called all-round stems, with an existing standard component, namely a so-called "double wedge head".
  • a module-scaffold construction or an all-round construction can be connected to the truss level on both sides also above and / or below the posts.
  • the respective two, extending in opposite directions away from the post away connecting heads of the multiple or double connection heads respectively in such a horizontal transverse distance to the truss level or to the longitudinal axis of the post are fastened to the post, in that at these two or respectively two connecting heads of at least one multiple or double connection head, preferably several of the multiple or double connection heads, by means of a respective connecting wedge via a plugged into the respective Aufsteckschlitz these connection heads connection means, preferably in the form of a rosette, in particular in the form of a perforated disc, connected scaffold components, for example scaffolding tubes, in particular stems, a modular scaffold, the parallel longitudinal axes of the two scaffolding components a horizontal center distance of 308 mm isen.
  • connection heads fastened at the same height to the post can be arranged symmetrically with respect to a plane containing the longitudinal axis of the post, in particular lattice plane.
  • each post in each case two each in the longitudinal direction of the crossbar from the post ends in opposite directions away, mutually parallel, plate-shaped connection elements, in particular tie or connecting plates, in a horizontal transverse distance, preferably perpendicular, are fixed to the lattice level, preferably by welding, the same size or is greater than the thickness or the edge length or the outer diameter of the respective post end, and wherein on the connecting elements, the crossbar and / or the diagonal element or the diagonal elements is releasably secured by the bolts or are.
  • each post has at its mutually facing away post ends in each case at least one plate-shaped connection element, in particular a binding, node or connecting plate, via which the respective post is releasably connected to the respective crossbar by means of the bolts ,
  • the connection elements and the connection heads of each post can preferably be arranged and configured symmetrically both to the truss level and to a normal or perpendicular plane.
  • connection elements in particular the binding or node or connecting plates, in each case at the transverse in the direction, preferably perpendicular, to the lattice plane facing away from each other outer sides of the post ends, preferably by welding, are attached.
  • the connecting elements in particular the binding or node or connecting plates, arranged symmetrically to the truss level and / or symmetrical to a normal or perpendicular to the truss level, also imaginary, transverse plane and / or trained or are designed.
  • the diagonal element can advantageously be designed with a diagonal bar and / or with a diagonal tube. Furthermore, the diagonal element can preferably be adjustable in length.
  • the transverse elements may preferably be tubular, in particular designed with one or as a tube.
  • the diagonal element is arranged and / or fixed to the connecting elements such that the longitudinal axis of the diagonal element in a, preferably 5 to 15 mm, in particular 10 mm, amounting, transverse distance or offset transversely to the Truss level is arranged.
  • the installation of crossed diagonals in a framework or frame field is possible. This results in even better stabilization or force and / or torque absorption and / or transmission conditions.
  • an anchoring element can be used with clamping device.
  • the diagonal element can be adjusted in length and so-called elevations in the truss can be realized in a simple manner.
  • a bias voltage can be realized.
  • a further improvement of the truss can be achieved in that the transverse elements are designed as, preferably identical or identically designed, crossbar respectively for transmitting increased or high tensile and compressive forces, so that the crossbar and the posts form a stable truss frame.
  • Such a designed truss frame can also record or transmit increased bending moments perpendicular to the truss level and / or on the posts relative to their longitudinal axes acting torsional or torsional moments.
  • the crossbar may preferably be made of a simple square tube with preferably one hole at each end for the bolt connection.
  • the two crossbars can be designed as the same components. This simplifies the assembly and allows particularly favorable production costs.
  • two intersecting, preferably equally formed, diagonal elements be releasably secured in corner regions of the frame-shaped framework, in particular of the truss frame.
  • the intersecting diagonal elements can both be adjustable in length.
  • the invention also relates to a modular lattice girder, which is composed of a plurality, in particular in a common lattice level, trusses, preferably truss frame, constructed according to one of claims 1 to 11, preferably such that a plurality of mutually identical transverse elements are arranged horizontally in series and by means of bolts are detachably mounted such that their longitudinal axes are arranged substantially coaxially or in alignment and form a top chord formed of a plurality of cross members and a bottom chord formed of a plurality of the cross members, the cross members over at least three or more, perpendicular to each other, with each other same post are releasably connected to each other.
  • the invention also relates to a bridging and / or supporting structure, in particular a pedestrian bridge, catwalk, podium, scaffolding, scaffolding for a scaffold or a scaffold, substructure for a scaffold or podium or a scaffold or podium, or suspension for a suspension scaffold or a suspension scaffold, with at least one truss, preferably with at least one truss frame, according to one of claims 1 to 11 or with a truss girder according to claim 12.
  • the truss or truss frame or truss girder are fixed with its posts on the attached thereto, preferably welded, connecting heads of the multiple connection heads so on stems of the stems and horizontal, possibly also diagonal, scaffolding components modular scaffold in that the connection heads of the posts with their slip-on slots are attached to the connecting means, preferably rosettes, in particular perforated disks, which are vertically spaced from each other and vertically spaced from one another by the spacing of the modular stand vertically spaced from each other Attached wedges, so are wedged.
  • the posts are formed essentially with, preferably a quadrangular inner and / or outer cross-section having post pipes or square and / or square post pipes and / or that the crossbar substantially with, preferably one quadrangular internal and / or external cross-section having, transverse bar tubes or square and / or square transverse bar tubes are formed.
  • the diagonal element or the diagonal elements can preferably be designed with round rods or with round threaded rods. So you can have a substantially round cross-section. But if necessary, they can also be designed with pipes, in particular with round pipes. It is understood that the posts and / or the cross bar can also be designed as a round cross-section or as round tubes.
  • the crossbars are designed in one piece.
  • the crossbars on their facing away from each other ends have a through hole through which a bolt is inserted, by means of which or which the cross bar with the posts are releasably, preferably articulated, connected.
  • the through-holes may be provided in parts of the cross bar, which is made in one piece with the remaining part of the cross bar.
  • the cross bar may also be designed as one over its entire length with a substantially constant cross-section and / or continuous.
  • crossbars are designed as cross bar tubes, in particular as square cross bar tubes, preferably with a quadrangular inner and outer cross section.
  • each post is formed symmetrically both to the truss level and to a normal or perpendicular plane.
  • the bolts are preferably locking pins, which are pushed through through holes of the parts to be connected or interconnected.
  • the bolts may have a stopper or bolt head at one end.
  • the bolts can be designed with an insertion bevel at an insertion end, in particular at the insertion end facing away from the stop or bolt head.
  • the bolts may preferably be secured with securing elements against unintentional loosening. These may be securing pins or securing plugs and / or securing rings. It is understood, however, that the bolts may also be threaded bolts. These can be screwed into matching threads of the parts to be joined or the parts connected to each other. They may preferably be secured by means of nuts, preferably self-locking nuts.
  • the truss 20 is designed as a truss frame 21. This or this is composed of several, detachable, rod-shaped items made of metal. As essential items are two identical posts 30, two equal cross members 32 and at least one, preferably adjustable in length, diagonal element 35 to call. In the assembled or installed state, the two posts 30 and the two transverse elements 32 and the at least one diagonal element are detachably connected via bolts 37 such that the two posts 30 are substantially parallel to each other and the two transverse elements 32 also substantially parallel to each other, however are each arranged substantially perpendicular to the posts 30. This, a frame forming post 30 and cross members 32 are connected by the at least one diagonal element 35 together to form a stable truss frame 21 and braced.
  • the longitudinal axes 41 of the posts 30 and the longitudinal axis 42 of the transverse elements 32 span a truss level 50.
  • the posts 30 are formed with post tubes 30.1, which are square tubes 31. These preferably have a thickness 34 or width or an outer diameter of in each case 80 mm and a wall thickness of 4 mm here.
  • the transverse elements 32 are formed with square tubes 33. These also have here a thickness or width or an outer diameter of 80 mm here and one Wall thickness from here also 4 mm.
  • the post tubes 30.1 of the posts 30 and the transverse locking tubes of the transverse elements 32 here have the same cross-sections or are designed to have the same cross-section.
  • the posts 30 have at their lower post ends 56 and at their upper post ends 57 each have two plate-shaped connection elements 80.1 and 80.2. These are preferably binding, knot or connecting plates. These connection elements 80.1 and 80.2 extend away from the posts 30 in opposite directions 77 and 78 and are welded parallel to one another on the outer surfaces 39.1 and 39.2 of the posts 30 extending transversely or perpendicular to the trussing plane 50 and away from each other ,
  • the connecting elements 80.1 and 80.2 here have a butterfly-shaped outer contour. They each have four wings or tabs 106.1, 106.2, 107.1, 107.2, which are each provided with through-holes 68 for the bolts 37 (see, eg, FIG. FIG. 13 ). At the provided in the corners 43.1 to 43.4 wings or tabs 106.1, 106.2 each have a transverse element 32 is releasably connected by means of a bolt 37 again. In the diagonally opposite corner areas, for example the corner areas 43.1 and 43.3, one or the diagonal element 35 is also detachably connected via bolts 35 to the diagonally opposite wings or lugs 107.1, 107.2 of the connection elements 80.1 and 80.2.
  • transverse locking tubes have in the region of their ends facing away from each other through holes 68, through which the bolts 37 are also inserted therethrough, as through the through holes 68 of the wings or flaps 106.1, 106.2 of the connection elements 80.1 and 80.2.
  • an inner tube piece 99 is inserted at the ends of the transverse bar tubes 32, whose outer contour substantially corresponds to the inner contour of the respective tube end of the transverse bar or cross member 32.
  • the inner tube pieces 99 are welded to the cross-member tube or square tube 33 of the transverse elements 32.
  • the inner pipe pieces 99 serve to reduce the hole friction pressure in the region of the through holes 68.
  • the holes 68 in the cross members 32 have a horizontal distance 96 to each other here, which is about 183 cm here. Accordingly, the longitudinal axes 41 of the two posts 30 of the framework 20 also substantially this distance 96 to each other.
  • the holes 68 of the wings or lugs 106.1, 106.2 of the connection elements 80.1, 80.2, to which the transverse elements 32 are detachably connected by means of the bolts 37, have a vertical distance 95 here, which is 271.2 cm. Accordingly, the here horizontal longitudinal axes 42 of the two transverse elements 32 of the truss 20 substantially this distance 95 to each other.
  • each post 30 has vertically and / or in the longitudinal direction of the longitudinal axis 41 of the posts 30 spaced multiple connection heads 55.1 to 55.4, which in each case are double connection heads, specifically in the form of connection head pairs.
  • Each multiple or double connection head 55.1 to 55.4 here has two in opposite directions from the longitudinal axis 41 of the respective post or extending from the truss level 50 away connecting heads 45.1, 45.2.
  • These connection heads 45.1 and 45.2 are mating wedge heads suitable for a modular framework 70, in particular for the applicant's modular framework. These taper towards their respective free connection end. They have vertical outer surfaces, which are arranged at an acute angle of about 41 to 45 degrees, preferably 44 degrees to each other.
  • connection heads 45.1 and 45.2 has an upper head part 46.1 and a lower head part 46.2, between which a horizontal insertion slot 47 in the installed position for attaching a connecting means 72, preferably a rosette, in particular a perforated disc 72, as for example in FIG. 19 , where it is illustrated by the example of a post attachment 75, is formed.
  • Each connection head 45.1, 45.2 has an upper wedge opening 49.2 in its upper head part 46.1 and a lower wedge opening 49.2 for inserting a connecting wedge 48 in its lower head part 46.2.
  • the connecting wedge 48 is captively fastened to the respective connection head 45.
  • connection head 45.1, 45.2 has, at its upper head part 46.1 and at its lower head part 46.2, preferably concave, rounded, in particular with a radius or part-circular design, contact surfaces for engagement with a particular vertical, scaffold component, preferably a scaffold pole or scaffolding tube, in particular a stem 71, a modular framework 70 (see. FIGS. 22 to 25 ) on.
  • connection head 55.1 to 55.4 is designed such that its connection heads 45.1 and 45.2 are arranged at the same vertical height.
  • the connection heads 45.1 and 45.2 are connected to the post pipe 30.1 of the post 30 each connected by welding.
  • the two connection heads 45.1 and 45.2 are arranged on both sides and symmetrically to the truss level 50.
  • the connection heads 45.1 and 45.2 are each attached via spacers 51 and 52 to the respective post tube 30.1 of the post 30.
  • the respective connection heads 45.1 and 45.2 are welded to the respective spacers 51 and 52 and the respective spacers 51 and 52 are welded to the outer sides 39.1, 39.2 of the respective post tubes 30.1 of the posts 30 facing away from each other.
  • connection heads 45.1 and 45.2 of the lowermost or first multiple or double connection head 55.1 are welded with their spacers 52 to the plate-shaped connection elements 80.1, 80.2, so here the binding, node, or terminal plates, which in turn are themselves welded to the respective post tube 30.1 of the respective post 30. Accordingly, the spacers 52 have a length 52.1 that is smaller than the length 51.1 of the other spacers 51.
  • Each post 30 has at its lower post end 56 a square base plate 98 which is welded to the post tube 30.1 of the post 30 at the lower post end 56.
  • each post 30 has four multiple or double connection heads 55.1 to 55.4, which are each arranged at vertical intervals 58, 59, 60 spaced from each other. Accordingly, the respective connection or wedge heads 45.1 and 45.2 of the respective multiple or double connection head 55.1 to 55.4 also at these distances 58, 59, 60 to each other, arranged in pairs at the same height.
  • the first multiple or double connection head 55.1 or its two connecting or wedge heads 45.1 and 45.2 are arranged at a distance 97.1 to the lower contact surface of the foot plate 98 or to the lower end of the respective post 30. This distance 97.1 is here 120.5 mm.
  • the second multiple or double connection head and accordingly its two connecting or wedge heads 45.1 and 45.2 have a distance 97.2 to the lower surface of the foot plate or to the lower end of the respective post 30, which is 1120.5 mm here. Accordingly, the distance 58 between the second multiple connection head 55.2 and the first or lower multiple connection head 55.1 is 55.1 or the vertical distance 58 is their connection or wedge heads 45.1 and 45.2, in this case 1000 mm , This corresponds to twice the grid dimension 73 ( FIG. 22 ) of a modular framework 20, in particular of the modular framework of the Applicant.
  • the third multiple or double connection head 55.3 and its connecting or wedge heads 45.1 and 45.2 have from the footprint of the foot plate 98 and of the lower end of the post 30 at a distance 97.3, which is here 2,120.5 mm. Accordingly, the third multiple connection head 55.3 has a distance 59 from the second multiple connection head 55.2 and consequently from their respective connection heads or wedge heads 45.1 and 45.2, which here likewise amounts to 1000 mm and accordingly likewise twice the grid dimension is 73.
  • the fourth or topmost multiple or double connection head 55.4 has a distance 97.4 from the contact surface of the foot plate 98 or from the lower end of the post 30, which is 2.620.5 mm here.
  • the topmost multiple or double connection head 55.4 with its connection or wedge heads 45.1 and 45.2 to the third multiple or double connection head 55.3 and its connection or wedge heads 45.1 and 45.2 has a spacing 60 which is here 500 mm and which accordingly corresponds to the grid 73.
  • the fourth or uppermost multiple or double connection head 55.4 has a distance 61 from the lowermost or first multiple connection head 55.1, which here amounts to 250 cm and which accordingly corresponds to five times the grid dimension 73 here.
  • Said vertical distances of the multiple or double connection heads 55.1 to 55.4 respectively relate to the slot center or half vertical slot width of the respective horizontal attachment slots 47.
  • the posts 30 are each designed both substantially symmetrically to the truss plane 50 containing its longitudinal axis 41 and substantially symmetrical to the plane or transverse plane 53 containing its longitudinal axis 45 and formed perpendicular to the truss plane 50.
  • connection heads 45.1 and 45.2 of the multiple or double-connection heads 55.1 to 55.2 each attached in such a manner in a horizontal transverse distance 64 to the truss level 50 and to the longitudinal axis 41 of the post 30 to the post 30 that at one of these connection heads 45.1 and 45.2 by means of a connecting wedge 48 via a in the respective Aufsteckschlitz 47 of respective connection head 45.1 or 45.2 inserted connection means 72, preferably in the form of a rosette or in the form of a perforated disc, connected scaffolding component, for example scaffolding tube, here stem 71 (in FIG.
  • a modular frame 70 the longitudinal axis 74 of the scaffold component, ie here the stem 71, and the parallel truss plane 50 and longitudinal axis 41 of the post 30 in a horizontal axis or transverse distance 64 of 154 mm.
  • an all-round construction or components of a modular scaffolding 70 can be connected to the truss 20 perpendicular to the truss level 50 in a particularly simple and favorable manner, preferably with the aid of a separate, so-called double wedge head.
  • connection heads 45.1 and 45.2 of the multiple or double-connection heads 55.1 to 55.4 here the example of the lower or first multiple or double connection head shown in such a horizontal or transverse distance 65 to the truss level 50 and to the longitudinal axis 41 of the post 30 attached to the post 30, that at these two arranged at the same height connection heads 45.1 and 45.2, by means of a respective connecting wedge 48 via a in the respective Aufsteckschlitz 47 of these connection heads 45.1 and 45.2 plugged connection means 72, preferably in the form of a Rosette, here in the form of a perforated disc (in FIG. 12 not shown), to closed scaffolding components, for example scaffolding tubes, here stems 71, a modular scaffold 70, the parallel longitudinal axes 74 of the scaffolding components, here the stems 71, a horizontal center distance 65 of 308 mm.
  • closed scaffolding components for example scaffolding tubes, here stems 71, a modular scaffold 70, the parallel longitudinal axes 74 of the scaffolding components, here the stems 71
  • the posts 30 are each formed with an upwardly open, that is an upper post opening 38 having, post tube 30.1, in or into which a post attachment 75 can be inserted ( FIGS. 17 and 18 ).
  • the post attachment 75 has in the region of its lower end a trained as a square tube insert tube 79 which can be inserted into the provided at the upper post end 57 of the post tube 30.1 post opening 38.
  • the insertion tube 79 has an edge length or width or thickness or an outer diameter of 70 or 70 ⁇ 70 mm.
  • the insertion tube 79 has a wall thickness of 4 mm.
  • the post attachment 75 is designed with a round tube 82 which, in terms of its dimensions, corresponds to a round tube of a post 71 of the modular scaffold 70.
  • the round tube 82 preferably has an outer diameter of 48.3 mm and a wall thickness of, for example, 3.2 mm.
  • a connecting means 72 here fastened in the form of a perforated disc 72 by welding.
  • per se known orifice plate 72 may preferably be provided with a total of eight spaced over the circumference in equal circumferential angles spaced-apart through holes, which in a circumferential angle of 45 degrees to each other can be arranged. In this case, preferably small and large connection holes may be arranged alternately.
  • FIG. 18 illustrates align the longitudinal axis of the round tube 82 of the post cap 75 and the longitudinal axis 41 of the post. Accordingly, then falls the perforated disc center of the perforated disc 72 with the longitudinal axis 41 of the post 30 together.
  • the use of a post attachment 75 according to the invention on or on the truss 20 according to the invention can be raised or lowered on the axle according to the invention.
  • the perforated disc 72 is arranged or attached to the circular tube 82 of the plug-in tube 79 in the post tube 30.1 of the post 30 post attachment 75 such that the perforated disc 72 of the connecting heads 45.1 and 45.2 of the fourth or top multiple or Double connection head 55.4 has a vertical distance 76, which here corresponds to the grid dimension 73 of the modular framework 70 and thus here is 50 cm.
  • the diagonal element 35 is designed with a diagonal rod or tension rod 36 and at the same end with two fastening elements 101 and 102. These fasteners 101 and 102 each have terminal tabs with openings 69.1 and 69.2, through which the through Wings or tabs 107.1, 107.2 of the connecting elements 80.1 and 80.2 plugged bolts 37 are also inserted through it, so that the diagonal element 35 is releasably secured by means of bolts 37 to the truss frame 21.
  • the diagonal or tension rod 35.1 of the diagonal element 35 can, for example, as in FIG. 1 shown, in the corner areas 43.1 and 43.3 be releasably secured, while a second, not shown in the figures same diagonal element in the two other opposite corner areas 43.2 and 43.4 can be releasably attached.
  • the invention also relates to a modular truss girder 22, as it is for example in FIG. 2 is illustrated.
  • a truss girder 22 is made up of a plurality of trusses 20, in particular a truss frame 21, arranged in a common truss level 50, as it is, for example, in FIG FIG. 1 is illustrated.
  • a plurality of equal cross members 32 arranged horizontally and releasably secured by bolts 37 such that their longitudinal axes 42 are arranged substantially coaxially or in alignment.
  • transverse elements 32 form a top flange 66 and a bottom flange 67 of the truss girder 22.
  • the transverse elements 32 of the upper flange 66 and the transverse elements 32 of the lower flange 67 are releasably connected to each other via at least three, substantially perpendicular to the transverse elements 32 extending, same post 30.
  • the invention also relates to bridging and / or supporting structures, as for example in the FIGS. 22 to 25 are illustrated.
  • FIG. 22 is a part of a pedestrian bridge 23 illustrated, which is designed with several trusses 20 and truss frame 21, in this case with two mutually parallel truss girders 22.
  • the two truss girders 22 are stiffened by a modular scaffold 71 constructed between them.
  • This truss is designed with stems 71 to which perforated disks 72 spaced vertically 50 cm from here are fastened.
  • the Aufsteckschlitze 47 of the inwardly projecting connection heads 45.1 of the multiple or double connection heads 55.1 to 55.4 of the frameworks 20 or truss frame 21 or truss 22 are plugged and wedged there by means of connecting wedges 48.
  • connection or wedge heads 45 are similar, in particular with the same system parts as the connection or wedge heads 45.1, 45.2 of the multiple or double connection heads 55.1 to 55.4 designed.
  • the stems 71 are also connected and stiffened by means of horizontal bars 83 and horizontal diagonals 85 via corresponding connecting or wedge heads.
  • the pedestrian bridge 24 is designed with floors, here with so-called event shelves 92, which are supported on cross beams, here on so-called event trusses 91, which in turn are fastened to perforated disks 72 of two adjacent stems 71 by means of corresponding connection or wedge heads.
  • the arranged at the beginning of the Auskragungs- or bridging region of the pedestrian bridge 24 posts 30 are supported with their foot plates 98 via special bearings 86 on a cross member 88, which in turn is supported on two so-called heavy-load supports 87, here as a bundle of four stems 71 are designed.
  • the transverse direction between the heavy-duty supports 87 can be stiffened with system material, since the inner stems 71 of the four bundles of the transverse load supports 87 are exactly "in axis" of the overlying module or all-round construction.
  • the truss girders 21 themselves do not run "in axis" of the module or all-round construction.
  • the corresponding offset is compensated at the bearings 86 by the additional cross member 88, which passes the load centric on the heavy load support 87.
  • connecting heads 45.2 of the multiple or double connection heads 55.1 to 55.4 of the post 30 can, as in FIG. 22 illustrated on the top left, screen or wall panels 89 are attached.
  • the screening or wall panels preferably so-called Protect panels, can be fastened via separate connecting elements, in particular so-called double wedge heads 90.
  • An upper system connection of the wall or sight protection plates 89 can also be connected, preferably via a separate double wedge head 90, to the perforated plate 72 of the post attachment 75 inserted in the respective posts 30.
  • the whole truss structure or the truss girder 22 are designed such that in axis vertically upwards and downwards in the system or module frame 70 can be easily continued, even on both sides of the post 30 transversely or perpendicular to the truss level 50th
  • the truss 20 and the truss frame 21 and the truss 22 is with its posts 30 on the attached connecting heads 45.1, 45.2 of the multiple or double connection heads 55.1 to 55.4 such on the stems 71 of the stems 71 and horizontal, if necessary Also mounted diagonal, scaffolding components 83, 84, 85, modular scaffolding 70 that the connection heads 45.1, 45.2 of the post 30 with their Aufsteckschlitzen 47 on the here 50 cm amount grid 73 of the modular scaffold 70 vertically spaced from each other on the vertical stems 71st attached perforated discs 72 attached and fastened there by means of the connecting wedges 48, so are wedged.
  • FIG. 23 is the use of trusses according to the invention 20 or truss frame 21, especially constructed from it truss girders 22 according to the invention, as a substructure 25 for a podium 24 illustrated. It is also, as in FIG. 23 shown right, a projection 94 realized.
  • This is based on the frameworks of the invention 20 or truss frame 21 or truss girders 22 in particular made possible by the fact that the lower cross members 32 are designed according to the upper cross members 32 and accordingly not only tensile loads, but also high or increased pressure loads can accommodate ,
  • FIG. 24 is the use of the timber frame 20 according to the invention or the framework frame formed therefrom 21, in particular of truss girders 21 formed therefrom, illustrated as a suspension 27 for a suspension scaffold 26, which in turn is a modular scaffold 70.
  • three truss girders 22 arranged transversely to one another and in the longitudinal direction parallel to one another are shown, which in turn are supported at their ends via posts 30 on transverse load supports 87, which in turn are connected via horizontal scaffolding components 83 via connecting heads or wedge heads are firmly connected.
  • connection heads 45.1 and 45.2 of the multiple or double connection heads 55.1 to 55.4 of the posts 30 are partially, namely in the region of the suspension frame 26, two stems 71 attached. In the region of the lower ends of these two stems 71, stems 71 of the suspension framework 26 are connected, preferably via separate double wedge heads 90.
  • FIG. 25 is the use of truss systems according to the invention 20 or truss frame 21, in particular from it constructed truss girders 22, for a support 29 of a framework 28 illustrates, which is also a modular scaffold 70.
  • post pipes 30.1 and the upper post openings 38 of the post 30 post attachments 75 are inserted.
  • stems 71 of the modular scaffold 70 are attached, so that therefore the vertical stem axes of the stems 71 "in axis" with the longitudinal axes 41 of the posts 30 are arranged.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (14)

  1. Treillis en forme de cadre (20) pour la construction d'une structure de pontage et/ou de support, constitué de plusieurs parties individuelles amovibles en formes de tiges en métal, à savoir d'au moins deux montants (30), d'au moins deux éléments transversaux (32) et d'au moins un élément diagonal (35) et, dans l'état monté ou intégré, les montants (30) verticaux parallèles entre eux et les éléments transversaux (32) perpendiculaires à ceux-ci, horizontaux et parallèles entre eux étant reliés entre eux de manière amovible à l'aide de boulons (37), dont les axes horizontaux s'étendent transversalement par rapport aux axes longitudinaux (41, 42) des montants (30) et des éléments transversaux (32) et l'élément diagonal (35) étant fixé de manière amovible à l'aide de boulons (37) dans des zones diagonalement opposées (43.1, 43.3), et, sur chaque montant (30) au moins deux premières têtes de raccordement (45.1) munies de fentes d'emboîtement (47) étant fixées entre elles avec des cales de raccordement (48) pour le raccordement d'éléments d'échafaudage et/ou à des éléments d'échafaudage, sur une distance verticale (58, 59, 60, 61) correspondant à un multiple entier d'une dimension modulaire (73) d'un échafaudage modulaire (70), caractérisé en ce que, sur chaque montant (30) sont fixées au moins deux deuxièmes têtes de raccordement (45.2) munies de fentes d'emboîtement (47) avec des cales de raccordement (48) pour le raccordement d'éléments d'échafaudage et/ou sur des éléments d'échafaudage, à une hauteur verticale égale aux premières têtes de raccordement (45.1), et en ce que la première tête de raccordement (45.1) et la deuxième tête de raccordement (45.2) disposée à la même hauteur sont disposées des deux côtés et/ou symétriquement par rapport à un plan du treillis (50) traversant les axes longitudinaux (41, 42) des montants (30) et des éléments transversaux (32), de façon à ce que, sur chaque montant (30), sont prévus au moins deux têtes de raccordement multiples (55.1 à 55.4) disposées avec une distance verticale (58, 59, 60, 61) entre elles, comprenant au moins une première tête de raccordement (45.1) et au moins une deuxième tête de raccordement (45.2), un des montants (30) ou chaque montant (30) étant conçu comme un tube de montant (30.1) ouvert vers le haut et/ou avec une ouverture de montant supérieure (38) pour l'insertion d'un chapeau de montant (75), qui comprend un élément de raccordement (72) sous la forme d'une grille (72) pour le raccordement d'éléments d'échafaudage et/ou à des éléments d'échafaudage de l'échafaudage modulaire (70), et le chapeau de montant (75) étant inséré dans le ou dans chaque tube de montant ouvert (30.1) et/ou dans l'ouverture de montant (38) d'un ou de chaque montant (30), et la grille du chapeau de montant (75) inséré dans le tube de montant (30.1) et/ou dans l'ouverture de montant (38) du montant (30), le chapeau de montant (75) est inséré, et s'appuyant verticalement sur celui-ci, étant disposée à une distance verticale (76) correspondant à un multiple entier de la dimension modulaire (73) par rapport à une tête de raccordement multiple (55.4) de ce montant (30).
  2. Treillis selon la revendication 1, caractérisé en ce que la grille du chapeau de montant (75) inséré dans le tube de montant (30.1) et/ou dans l'ouverture de montant (38) du montant (30), et s'appuyant verticalement sur celui-ci, est disposée à une distance verticale (76) correspondant à un multiple entier de la dimension modulaire (73), un multiple entier de 50 cm, plus particulièrement 50 cm, par rapport à une tête de raccordement multiple (55.4) de ce montant (30).
  3. Treillis selon l'une des revendications précédentes, caractérisé en ce que la grille du chapeau de montant (75) inséré dans le tube de montant (30.1) et/ou dans l'ouverture de montant (38) du montant (30), et s'appuyant verticalement sur celui-ci, est disposée à une distance verticale (76) correspondant à un multiple entier de la dimension modulaire (73) par rapport à une tête de raccordement multiple (55.4) la plus haute de ce montant (30).
  4. Treillis selon l'une des revendications précédentes, caractérisé en ce que la première tête de raccordement (45.1) et la deuxième tête de raccordement (45.2) disposée à la même hauteur d'une ou des deux têtes de raccordement multiples (55.1 à 55.4) sont conçues de manière symétrique par rapport au plan du treillis (50) et/ou de manière identique.
  5. Treillis selon l'une des revendications précédentes, caractérisé en ce que chaque montant (30) comprend au moins ou exactement trois, de préférence quatre ou exactement quatre, têtes de raccordement multiples (55.1 à 55.4), qui sont disposées à des distances verticales (58, 59, 60, 61) entre elles.
  6. Treillis selon l'une des revendications précédentes, caractérisé en ce que les têtes de raccordement multiples (55.1 à 55.4) sont disposées entre elles à une distance verticale (58, 59, 60, 61) correspondant à un multiple entier de la dimension modulaire (73), de préférence égale à un multiple entier de 50 cm.
  7. Treillis selon l'une des revendications précédentes, caractérisé en ce que les têtes de raccordement (45.1 à 45.2) des têtes de raccordement multiples (55.1 à 55.4), s'éloignant du montant (30) dans la même direction (62.1 à 62.2), sont fixées à une distance transversale (64) du plan du treillis (50) ou de l'axe longitudinal (41) du montant (30) sur le montant (30), de façon à ce que, pour un élément d'échafaudage, de préférence sous la forme d'une rosette, plus particulièrement sous la forme d'une grille, par exemple un tube d'échafaudage, plus particulièrement une tige (71), relié à ces têtes de raccordement (45.1 ou 45.2) à l'aide d'une cale de raccordement (48) par l'intermédiaire d'un élément de raccordement (72) inséré dans la fente d'emboîtement (47) de ces têtes de raccordement (45.1 ou 45.2), d'un échafaudage modulaire (70), l'axe longitudinal (74) de l'élément d'échafaudage et le plan du treillis (50) ou l'axe longitudinal (41) du montant (30), parallèle à celui-ci, présentent une distance axiale horizontale (64) de 154 mm.
  8. Treillis selon l'une des revendications précédentes, caractérisé en ce que les deux têtes de raccordement (45.1 et 45.2) des têtes de raccordement multiples (55.1 à 55.4) s'éloignant du montant (30) dans des directions (62.1 et 62.2) opposées sont fixées au montant (30) à une distance transversale (65) horizontale par rapport au plan du treillis (50) ou à l'axe longitudinal (41) du montant (30), de façon à ce que, pour des éléments d'échafaudage, de préférence sous la forme d'une rosette, plus particulièrement sous la forme d'une grille, par exemple des tubes d'échafaudage, plus particulièrement des tiges (71), reliés à ces têtes de raccordement (45.1 ou 45.2) à l'aide d'une cale de raccordement (48) par l'intermédiaire d'un élément de raccordement (72) inséré dans la fente d'emboîtement (47) de ces têtes de raccordement (45.1 ou 45.2), d'un échafaudage modulaire (70), les axes longitudinaux parallèles (74) des éléments d'échafaudage présentent une distance axiale horizontale (65) de 308 mm.
  9. Treillis selon l'une des revendications précédentes, caractérisé en ce que, sur la première extrémité du montant ou l'extrémité inférieure du montant (56) et/ou sur la deuxième extrémité du montant ou l'extrémité supérieure du montant (57) de chaque montant, sont fixés des éléments de raccordement (80) en forme de plaques, parallèles entre eux, s'éloignant dans la direction longitudinale (44) des éléments transversaux (32) des extrémités des montants (56, 57) dans des directions opposées (77, 78), plus particulièrement des tôles de liaison, des goussets ou des tôles de raccordement, de préférence par soudure, à une distance transversale horizontale (81), de préférence perpendiculairement au plan du treillis (50), de préférence par soudure, de taille égale ou supérieure à l'épaisseur (34) ou au diamètre extérieur (34) de l'extrémité du montant (56, 57) correspondante, et les éléments transversaux (32) et/ou l'élément diagonal (35) ou les éléments diagonaux étant fixé(s) sur les éléments de raccordement (80) de manière amovible à l'aide des boulons (37).
  10. Treillis selon l'une des revendications précédentes, caractérisé en ce que l'élément diagonal (35) est fixé aux éléments de raccordement (80.1, 80.2) de façon à ce que l'axe longitudinal (35.1) de l'élément diagonal (35) est disposé à une distance transversale (54) du plan du treillis (50) de préférence égale à 5 à 15 mm, plus particulièrement 10 mm.
  11. Treillis selon l'une des revendications précédentes, caractérisé en ce que les éléments transversaux (32) sont conçus comme des traverses de préférence de formes similaires ou identiques pour la transmission de forces de traction et de pression augmentées ou élevées, de façon à ce que les traverses (32) et les montants (30) forment un cadre en treillis (21) stable.
  12. Support de treillis modulaire (22), constitué de plusieurs treillis (20), plus particulièrement de plusieurs cadres de treillis (21), disposés dans un plan de treillis commun (50), selon l'une des revendications précédentes, de préférence de façon à ce que plusieurs éléments transversaux (32) identiques entre eux soient disposés horizontalement en série et soient fixés de manière amovible à l'aide de boulons (37) de façon à ce que leurs axes longitudinaux (42) soient disposés de manière coaxiale ou alignée et forment une membrure supérieure (66) constituée de plusieurs des éléments transversaux (32) et une membrure inférieure (67) constituée de plusieurs des éléments transversaux (32), les éléments transversaux (32) étant reliés de manière amovible entre eux à l'aide d'au moins trois montants (30) ou plus identiques entre eux s'étendant perpendiculairement par rapport à ceux-ci.
  13. Structure de pontage et/ou de support, plus particulièrement ponts piéton (23), passerelle, podium (24), échafaudage (26), soutènement (29) pour un échafaudage (28) ou d'un échafaudage (28), infrastructure (25) pour un échafaudage ou podium (24) ou d'un échafaudage ou d'un podium (24), ou suspension (27) pour un échafaudage de suspension (26), avec au moins un treillis (20), plus particulièrement avec au moins un cadre de treillis (21), selon l'une des revendications 1 à 11 ou avec un support de treillis (22) selon la revendication 12.
  14. Structure de pontage et/ou de support selon la revendication 14, caractérisé en ce que le treillis (20) ou le cadre de treillis (21) ou le support de treillis (22) est fixé avec ses montants (30) par l'intermédiaire des têtes de raccordement (45.1, 45.2) des têtes de raccordement multiples (55.1 à 55.4), fixées à ceux-ci, de préférence soudés, aux tiges d'un échafaudage modulaire (70) constitué des tiges (71) et de composants d'échafaudage (83, 84, 85) horizontaux, le cas échéant également diagonaux, de telle sorte que les têtes de raccordement (45.1, 45.2) des montants (30) avec leurs fentes d'emboîtement (47) soient insérés sur les éléments de raccordement (72), de préférence des rosettes, plus particulièrement des grilles, fixés sur les tiges verticales (71) à une distance verticale, de préférence de 50 cm ou égal à la dimension modulaire (73) représentant un multiple entier de 50 cm, de l'échafaudage modulaire (70), et fixés dessus à l'aide des cales de raccordement (48).
EP10155430.1A 2009-05-14 2010-03-04 Treillis en forme de cadre Active EP2253764B1 (fr)

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US10106992B2 (en) * 2015-09-23 2018-10-23 Oda Systems Ltd Bracket for an access platform
DE102015012275A1 (de) * 2015-09-24 2017-03-30 Wilhelm Layher Verwaltungs-Gmbh Gitterträger und Gitterträgersystem, insbesondere zum universellen Einsatz innerhalb eines bekannten Arbeits- und Schutzgerüsts
DE102016001747A1 (de) 2016-02-16 2017-08-17 Wilhelm Layher Verwaltungs-Gmbh Fachwerktragsystem zum Aufbau einer Tragkonstruktion
DE102016106486A1 (de) 2016-04-08 2017-10-12 Wilhelm Layher Verwaltungs-Gmbh Modularer Fachwerkträger
DE102016109972A1 (de) * 2016-05-31 2017-11-30 Wilhelm Layher Verwaltungs-Gmbh Vertikalträgerbaugruppe für einen Schwerlast-Gerüstturm
CN107558608B (zh) * 2017-09-11 2023-04-18 武汉理工大学 一种格构钢架连接节点及施工方法
CN108265617B (zh) * 2017-12-26 2019-12-10 中国船舶重工集团应急预警与救援装备股份有限公司 用于连接两种不同规格装配式公路钢桥桁架片的连接装置
CN109363755A (zh) * 2018-11-27 2019-02-22 张钰 一种多功能双头加压螺钉
CN111395210B (zh) * 2020-04-07 2021-10-22 浙江大学 一种用体外预应力筋提高桁架梁桥承载能力的方法
CN113338618A (zh) * 2021-05-26 2021-09-03 中国五冶集团有限公司 一种建筑结构物模板用支架
DE102021214133A1 (de) * 2021-12-10 2023-06-15 Doka Gmbh Gerüstmodul für ein Trag- oder Stützgerüst
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PL2253764T3 (pl) 2013-11-29
DE102009021424A1 (de) 2010-11-18
EP2253764A2 (fr) 2010-11-24
EP2253764A3 (fr) 2012-05-02

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