EP3230537B1 - Cadre de treillis, support de charpente modulaire et structure de pontage et/ou de support - Google Patents

Cadre de treillis, support de charpente modulaire et structure de pontage et/ou de support Download PDF

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Publication number
EP3230537B1
EP3230537B1 EP16713283.6A EP16713283A EP3230537B1 EP 3230537 B1 EP3230537 B1 EP 3230537B1 EP 16713283 A EP16713283 A EP 16713283A EP 3230537 B1 EP3230537 B1 EP 3230537B1
Authority
EP
European Patent Office
Prior art keywords
thread
post
rosette
diagonal
rosettes
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
EP16713283.6A
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German (de)
English (en)
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EP3230537A1 (fr
Inventor
Helmut Kreller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilhelm Layher Verwaltungs GmbH
Original Assignee
Wilhelm Layher Verwaltungs GmbH
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Publication date
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Priority to PL16713283T priority Critical patent/PL3230537T3/pl
Publication of EP3230537A1 publication Critical patent/EP3230537A1/fr
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    • 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
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • E04G5/165—Lintel for scaffoldings
    • 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
    • E04G7/307—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 with tying means for connecting the bars or members
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal

Definitions

  • EP 2 253 764 A2 discloses the preamble of claim 1.
  • Several of these truss frames can be assembled into a modular truss girder, which has become known in practice under the name Layher Allround bridge girder.
  • This bridge girder for example, is over-dimensioned for spans of approx. 13 m to 20 m with a traffic load of approx. 0.5 kN / m 2 and therefore not economical for these spans.
  • An increase of the binder is possible due to an adjustable diagonal bracing.
  • a major disadvantage of this bridge carrier is that it has to be mounted outside the system dimensions of the modular scaffold system.
  • the weight of the heaviest item of truss frame is 56 kg, so that a hoist is required for installation.
  • a truss frame characterized in that it is the connecting elements to rosettes for connection of and / or to connection heads of scaffolding components, and that in the region of each post pipe end attached two parallel connection plates in a longitudinal axis of the respective Post tube, preferably also the longitudinal axis of the respective cross bar, containing common imaginary plane are arranged and extend away from each other, and that in the region of or at least two, each same crossbar associated post pipe ends of the post pipes each one Outer circumference of the respective post tube is fully, preferably uninterrupted, enclosing connecting body is welded, and that in the region of these post tube ends of the post tubes attached respective two connection plates are at least either welded to the respective connecting body or to the respective connecting body and to the respective post tube.
  • 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, in each case the same crossbar associated post pipe ends of the post pipes each a the outer periphery of the respective post tube fully, preferably uninterrupted or uninterrupted, enclosing connecting body is welded, and that in the region of these post pipe ends of the post pipes attached respective two connection plates at least either on the respective connecting body or on the respective connecting body and are welded to the respective post tube, which can be said about the cross bar transferred "incoming" forces particularly advantageous substantially on the connecting body and are transferred from this to a further connection plate of the connection plates and, if at this other connection plate another cross bar, preferably parallel to the said cross bar of the truss frame, preferably at the same crossbar height, is releasably secured to be transferred to this other cross bar.
  • 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.
  • a rosette of rosettes is arranged in the area or in the vicinity of at least those post pipe ends to which the respective connecting body is welded, and that in each case a rosette part this rosette protrudes into and through a receiving slot of each connecting plate of the respective two connecting plates fastened in the region of these post tube ends.
  • connection bodies are connecting sleeves and / or that at least two of the connecting bodies are connecting rosettes or connecting discs, with or without apertures.
  • connection bodies 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 cylindrical, connecting sleeve of the at least two connecting sleeves has an outer diameter which is selected such that between a connecting wedge, by means of which the connection head of the scaffold component is releasably keyed to the associated rosette and the outside diameter spanning, preferably substantially circular cylindrical, outer surface of the connecting sleeve a gap is trained.
  • 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 In ready-assembled state of the truss frame according to the invention, the diagonal element is mounted without play.
  • each rosette of the rosettes of the immediately adjacent rosette Rosettes in a distance corresponding to the simplicity of the grid dimension is welded together to the respective post tube.
  • each post tube of the post tubes has a rosette closest to the respective post tube end and that at least one post tube of the post tubes is connected to a scaffold post of a modular scaffold by means of a preferably commercially available tubular connector the scaffolding handle a plurality of rosettes are fixed in a grid spacing corresponding to each other, of which each rosette is designed substantially the same as the rosettes of the post pipes, and wherein a scaffold stem of the scaffold stem nearest rosette of the scaffold stem from the nearest rosette of the post tube end a rosette distance which corresponds to an integer multiple of the pitch or the pitch of the pitch.
  • 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.
  • the Searchnverstell- and clamping element has both an internal thread and an external thread, while it is the first thread of the second diagonal bar to an internal thread and the second thread of the first diagonal bar to an external thread or while it the first thread of the second diagonal bar is an external thread and the second thread of the first diagonal bar is an internal thread.
  • the first pitch is at least twice greater than the second pitch and / or that the first pitch is at least 5 mm or approximately 10 mm and that the second pitch has an amount that is either in one Range is 1 mm to 4 mm or about 3 mm.
  • first thread of the internverstell- and clamping element and the first thread of the second diagonal bar are each associated with a first thread type, ie identical first thread types
  • second thread of Implementation- and clamping element and the second thread of the first diagonal bar are each associated with a second thread type, ie identical second thread types, which are different from the first thread type.
  • the first thread of the length adjusting and tensioning element and the first thread of the second diagonal bar are each a Dywidag thread and that the second thread of the length adjustment and tensioning element and the second thread of the first diagonal bar is in each case a metric thread.
  • the truss frame 20 is composed of several rod-shaped steel parts detachable again.
  • Essential items are two identical, elongated post tubes 21, two equal, elongated cross bar 22 and at least one adjustable in length, elongated diagonal element 23.
  • the two post tubes 21 and the two transverse bars 22 and the at least one diagonal element 23 are articulated and detachable via bolts 24 connected with each other.
  • the two post pipes 21 are arranged substantially parallel to each other.
  • the two transverse bars 22 are also arranged substantially parallel to each other.
  • the cross bars 22 are arranged substantially perpendicular to the post pipes 21.
  • the post pipes 21 and cross bar 22 are connected to a frame 25.
  • the longitudinal axes 26 of the post tubes 21 and the longitudinal axes 27 of the cross bar 22 span a truss level 28.
  • the bolt axes 29 of the bolts 24 are arranged perpendicular to the longitudinal axes 26 of the post pipes 21 and perpendicular to the longitudinal axes 27 of the cross bar 22 and perpendicular to the said truss level 28.
  • the post tubes 21 and the transverse bars 22 are connected or braced by means of the at least one diagonal element 23 to form a stable truss frame 20.
  • the at least one diagonal element 23 is installed or tensioned without play.
  • the truss frame 20 is used to build a bridging and / or supporting structure, not shown in the figures. Therein, the truss frame 20 is intended installed so that the post pipes 21 are arranged vertically or vertically. In the installed or installed state horizontal crossbar 22 form straps of the framework 20. In the installed or installed state of the lower or first cross bar 22 forms a lower flange or a component of a lower chord, while the upper and second crossbar 22 a Obergurt or forms part of a top girth.
  • Each transverse bar 22 extends substantially straight along its longitudinal axis 27.
  • the longitudinal axis 27 of the in the FIGS. 1 to 4 each shown below, the first cross bar 22 has from the longitudinal axis 27 of the in the FIGS. 1 to 4 each shown above, the second cross bar 22 a distance 32.
  • 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 in the FIGS. 1 to 3 each lower, first Pfostenrohrende 33.1 and one of them away, in the FIGS. 1 to 3 each upper, second post pipe end 33.2.
  • the cross bars 22 are formed with square or square tubes 34. These have a thickness or width or an outer diameter of preferably 60 mm and a wall thickness of preferably 4 mm.
  • Each cross bar 22 has a in the FIGS. 1 . 2 and 4 each left shown, first crossbar end 35.1 and one of them away, in the FIGS. 1 . 2 and 4 each shown on the right, second crossbar end 35.2.
  • each post pipe end 33.1, 33.2 of the post pipes 21 are two connecting plates 36.1; 36.2 steel fastened. These are connection, binding or gusset plates.
  • the two first and lower terminal plates 36.1 associated with the first and lower post tube ends 33.1 of the first and left post tubes 21 and the first and lower post plates 36.1 associated with the first and lower post tube ends 36.1 of the second and right post tubes 21 are the same .
  • the two second or upper connection plates 36.2 assigned to the second or upper post tube end 33.2 of the first or left post tube 21 and the two second or upper connection plates 36.2 assigned to the second or upper post tube end 33.2 of the second or right post tube 21 are the same designed.
  • connection plates 36.1 each; 36.2 of the four connection plates 36.1; 36.2 each post tube 21 are arranged in pairs at the same height and each form a terminal plate pair 37.1; 37.2.
  • the two connection plates 36.1; 36.2 each connection plate pair 37.1; 37.2 of each post tube 21 are arranged in an imaginary common plane 38 parallel to each other, which contains the longitudinal axis 26 of the respective post tube 21.
  • the two connection plates 36.1; 36.2 each connection plate pair 37.1; 37.2 of each post tube 21 extend away from each other in opposite directions.
  • Each connection plate 36.1; 36.2 of the connection plates 36.1; 36.2 has a butterfly wing-shaped outer contour.
  • Each connection plate 36.1; 36.2 has two connecting lugs 39.1, 40.1; 39.2, 40.2.
  • Each terminal lug 39.1, 40.1; 39.2, 40.2 has a passage opening 48 for a bolt 24.
  • each connecting body connecting sleeve 41 is a round tube made of steel or around a section of a round tube made of steel.
  • Each connecting sleeve 41 has a substantially circular cylindrical inner peripheral surface and a substantially circular cylindrical outer peripheral surface 42.
  • Each connecting sleeve has an inner diameter which is slightly larger than the respective outer diameter 43 of the respective post tube 21.
  • Each connecting sleeve 41 has an outer diameter 45, preferably approximately 60.3 mm.
  • Each connection sleeve 41 encloses the outer circumference 44 of the respective post tube 21 completely and uninterrupted.
  • Each connection sleeve 41 is welded at its sleeve ends facing away from each other to the post tube 21 inserted therein.
  • the respective connecting sleeve 41 associated, second or upper connection plates 36.2 each have a receiving slot 47.
  • the latter is open to the respective post tube 21 facing side of the respective second or upper connection plate 36.2 out.
  • Said receiving slot 47 is viewed in the direction of the longitudinal axis 26 of the respective post tube 21 between the respective two connecting straps 39.1, 40.1 of the respective second or upper connecting plate 36.2 or between the passage openings 48 of the respective two connecting straps 39.1, 40.1 of the respective second or upper connection plate 36.2 arranged.
  • the respective two second or upper connecting plates 36.2 of each post tube 21 are each plugged with their receiving slot 47 on a perforated disk 50, also referred to as a rosette. Last is in each case in the region of the provided with the connecting sleeve 41, second or upper post tube end 33.2 of the respective post tube 21 at this firmly welded.
  • the respective two second or upper connection plates 36.2 are welded to both the respective connecting sleeve 41 and to the respective post tube 21, as well as to the respectively associated perforated disc 50.
  • the respective two second or upper connection plates 36.2, the associated connection sleeve 41 and the associated perforated disc 50 each form a second or upper connection unit 52.
  • 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 through-holes are covered by the, preferably parallel, slot walls of the respective second or upper connecting plate 36.2 delimiting the respective receiving slot 47 of the respective second or upper connecting plate 36.2. The four large through holes and two of the four small through holes remain so free.
  • a cross bar 22 of the two crossbars 22 is in each case releasably connected in each case by means of a bolt 24, which by the respective passage opening 48 of the respective crossbar connecting plate 39.1; 39.2 is inserted.
  • Each pin 24 extends with its pin longitudinal axis 29 perpendicular to the longitudinal axes 26, 27 of the post tubes 21 and the cross bar 22 and thus perpendicular to the said truss level 28th
  • the diagonal element 23 is also about bolts 24 on diagonally opposite, to each other extending diagonal element connecting lugs 40.1, 40.2 both a second or upper connection plate 36.2 of the second or upper connection plates 36.2, for example, the first or left post tube 21, as well as on a first or lower connection plate 36.1 of the first and lower connection plates 36.1, for example, the second or right post tube 21, releasably connected.
  • Each of these bolts 24 extends with its pin longitudinal axis 29 perpendicular to the longitudinal axes 49, 26, 27 of the diagonal element 23, the post tubes 21 and the cross bar 22 through a respective through opening 48 of the respective diagonal connecting lug 40.1, 40.2 therethrough.
  • Each transverse bar 22 comprises a straight square or square tube 34 which extends substantially over its entire length.
  • a connection connector 54 is inserted into each of the tube ends of the respective square or square tube 34 and fixed there, preferably by welding ,
  • Each terminal connector 54 includes two terminal tabs.
  • the two connecting lugs are arranged parallel to each other at a distance from each other. The distance is slightly larger than the wall thickness of the respectively associated connection plate 36.1, 36.2.
  • Each terminal lug of the connection connector 54 has a passage opening for a bolt 24.
  • 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 post tube 21 is except those mentioned above, in the FIGS. 1 . 2 and 3 each top perforated disk 50, which is partially received in the receiving slot 47 of the slotted, second or upper connecting plate 36.2, also three more identical perforated disks 50 are welded. All perforated discs 50 of each post tube 21 are each viewed in the direction of the longitudinal axis 26 of the respective post tube 21 in a simple distance of the grid dimension of a modular scaffold or a modular scaffold system, in particular the Layher Allround modular scaffolding or modular scaffold system, corresponding distance 55 to each other. Preferably, this distance 55 is about 500 mm.
  • each post pipe 21 that perforated disk 50 of the perforated disks 50, which has the greatest distance from the second or upper post pipe end 33.2 or which is assigned to the first or lower post pipe end 33.1, is formed by one at the respective first and lower post pipe end 33.1 End edge of the respective pole tube 21 a distance 59.
  • 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.
  • each post tube 21 is in a, preferably about 145 mm to 155 mm amount, distance 56 to that at the respective first or lower post pipe end 33.1 formed end edge of the respective post pipe 21 a also referred to as a connecting body connection disk 57 made of solid material welded.
  • Each connecting disk 57 has an outer diameter, preferably approximately 100 mm.
  • Each connecting disc 57 has a, preferably the perforated disc thickness of the perforated discs 50 corresponding disc thickness.
  • the slice thickness is about 9 mm or about 10 mm.
  • Each connecting disk 57 has, viewed in the direction of the longitudinal axis 26 of the respective post pipe 21, a distance 58 to the nearest perforated disk 50.
  • this distance 58 is about 245 mm.
  • the function of the respective connecting disk 57 essentially corresponds to the function of the respective connecting sleeve 41. Accordingly, instead of the respective connecting disk 57, a, preferably the same, connecting sleeve would be conceivable, as is provided on the opposite, second or upper post pipe end 33.2 of the post pipes 21 ,
  • Each connecting disk 57 is partially accommodated in a receiving slot 46 of a connecting plate 36. 1 of the respective first and lower connecting plates 36. 1 which is open toward the respective post pipe 21.
  • Each first or lower connection plate 36.1 is welded both to the respective post tube 21 and to the respective connection disc 57.
  • Each connecting disk 57 forms a first or lower connecting unit 51 with the respectively associated two first and lower connecting plates 36.
  • each connecting disk 57 is arranged at the level of the crossbar connecting plate 39.1 of the respective first and lower terminal plate 36.1. This is preferably such that the respective horizontal center plane of the connecting disk 57 and the bore axis of the respective crossbar connecting lug lie in an imaginary common plane. As a result, the longitudinal axis 27 of the first or lower transverse bar 22 is approximately aligned with the respective horizontal center plane of the respective connecting disk 57. As a result, the forces "arriving" via the first or lower transverse bolt 22 can be optimally transferred to the respective connecting disk 57.
  • the diagonal element 23 comprises two diagonal bars 60.1, 60.2, namely a straight first diagonal bar 60.1 and a straight second diagonal bar 60.2.
  • the diagonal bars 60.1, 60.2 are each Dywidag bars or a Dywidag external thread having tension rods.
  • Each diagonal bar 60.1, 60.2 has a first diagonal bar end 61.1; 61.2 and one of them pointing in an opposite direction away second diagonal bar end 61.2; 62.2.
  • the in the FIGS. 1 and 2 each shown at the bottom right first diagonal bar 60.1 has a first Diagonalstabin and in the FIGS. 1 and 2 each shown on the left second diagonal bar 60.2 has a second Diagonalstabhow.
  • the second diagonal bar length is smaller than the first diagonal bar length, or vice versa.
  • Each diagonal bar 60.1, 60.2 is connected to a first diagonal bar end 61.1; 62.1 of its two diagonal bar ends 61.1, 61.2; 62.1, 62.2 on one as a length adjustment or turnbuckle designated Suitenverstell- and clamping element 65 attached.
  • 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 Pressnverstell- and clamping element 65 has at each of its ends facing away from each other ends 66.1, 66.2 an internal thread 63.1, 63.2, in which in each case the external thread 64.1, 64.2 of the associated Diagonalstabendes 61.1; 62.1 of the respective diagonal bar 60.1, 60.2 is screwed.
  • the threads of the external threads 64.1, 64.2 of the diagonal bars 60.1, 60.2 and the threads of the internal threads 63.1, 63.2 of the length adjustment and tensioning element 65 are designed to match one another such that when the length adjustment and tensioning element 65 is rotated about its longitudinal axis 78 in a first direction of rotation the two diagonal bars 60.1, 60.2 are moved towards one another and that, when the length adjustment and tensioning element 65 is rotated in a second direction of rotation opposite to the first direction of rotation, the two digonal bars 60.1, 60.2 are moved away from each other in opposite directions.
  • Each diagonal bar 60.1, 60.2 points at its first diagonal bar end 61.1; 62.2 pointing away second diagonal bar end 61.2; 62.2 a there rotatably connected to the respective diagonal bar 60.1, 60.2 connected to the fastening body 67.
  • Each fastening body 67 has two connecting straps which extend away from the respective diagonal bar 60.1 60.2 at a distance parallel to each other.
  • Each connecting lug of these connecting lugs has a passage opening for a bolt 24.
  • the passage openings for the bolts 24 are circular-cylindrical through-holes.
  • the bolts 24 are circular cylindrical bolts.
  • the truss frame 20 can preferably be assembled together as follows: First, a frame 25 is constructed from the two post pipes 21 and from the two cross bars 22. Subsequently, the diagonal element 23 is installed in the frame 25. Subsequently, the Constell- and clamping element 65 is rotated in the said first direction of rotation about its longitudinal axis 78 until brought about by the succession to move the two diagonal bars 60.1, 60.2 while shortening the length of the diagonal element 23 the said frame 25 forming the posts tubes 21 and Cross bar 22 connected to each other without play or are clamped. In the finished assembled truss frame 20 so the post pipes 21 and the cross bar 22 are connected to each other via the diagonal element 23 without play or clamped.
  • 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, front, vertical wedge abutment surface of an upper head portion 73 of the connection head 70 and an outer, front, vertical abutment surface 74 of the upper head portion 73 of the connection head 70, with which this is supported in the festgekeiltten by means of the connecting wedge 72 state on the outer surface of the post tube 21.
  • This is in the wedged state between the front, vertical wedge abutment surface 75 of the connecting wedge 72 and the outer periphery of the wedge abutment surface 75 opposite the connecting sleeve 41, a vertical gap 76 is formed.
  • 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 connecting wedge 72, by means of which the connecting head 70 of the scaffold component 71 on the associated perforated disc 50 is releasably keyed and the outer diameter 45 spanning outer surface of Connecting sleeve 41, a gap 76 is formed.
  • the perforated disks 50 are also referred to as connection elements.
  • 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 delimited by wall parts of a connecting piece 81 of the actuating plate 79.
  • the connecting piece 81 is provided with a through hole 82, the bore axis 83 perpendicular to the longitudinal axis 78 of the actuator plate 79 is arranged and the longitudinal axis 78 intersects.
  • the through-hole 82 is used to push through an actuating element, not shown in the figures, for example, an actuating rod, by means of which a tension of the first diagonal bar 60.1 and the second diagonal bar 60.2 of the diagonal element 23 can be achieved against each other (see. FIGS. 1 and 2 ).
  • first slot 80.1 passing through first long nut 84.1 is arranged and at the second end 66.2 is a second slot 80.2 passing through the second long nut 84.2 arranged.
  • the first long nut 84.1 and the second long nut 84.2 are welded to the actuator plate 79.
  • the first long nut 84.1 has a first internally threaded bore 86.1 extending along its first longitudinal mother axis 85.1 parallel to the longitudinal axis 78 of the actuating plate 79.
  • the second long nut 84.2 has a second internally threaded bore 86.2 extending along its second longitudinal nut axis 85.2 parallel to the longitudinal axis 78 of the actuating plate 79.
  • the first internally threaded bore 86.1 of the first long nut 84.1 has a first internal thread 63.1.
  • the second internally threaded bore 86.2 of the second long nut 84.2 has a second internal thread 63.2.
  • the first internal thread 63.1 and the second internal thread 63.2 are each threads rotating in the same direction.
  • the first internal thread 63.1 and the second internal thread 63.2 are each a right-handed thread, which is also referred to as a right-hand thread.
  • the first internal thread 63.1 differs from the second internal thread 63.2 both in terms of its thread type and in terms of his slope.
  • the first female thread 63.1 is a Dywidag thread having a first pitch of 10 mm
  • the second internal thread 63.2 is a metric thread having a second pitch of 3 mm.
  • On the second external thread 64.2 of the first diagonal bar 60.1 can, as in the FIGS. 6 to 8 shown, in a region between the second long nut 84.2 and the connection element 88 of the end fitting 77, a nut 89 screwed.
  • This mother 89 can, as in the FIGS. 6 to 8 shown, preferably after the length adjustment or after the distortion of the diagonal element 23 by means of the turnbuckle 65, by tightening the nut 89, preferably in a clockwise direction, braced against the second long nut 84.2, so that the nut 89 can then act as a lock nut.
  • first internal thread 63.1 of the first long nut 84.1 of the turnbuckle 65 can, as in the FIGS. 1 and 2 a matching first external thread 64.1 of a second diagonal bar 60.2 be screwed releasably or be screwed.
  • the first external thread 64.1 of the second diagonal bar 60.2 is a right-hand thread in the form of a Dywidag thread with a pitch of 10 mm.
  • the inventive design and training of the turnbuckle 65 a more accurate Verspann-possibility is created as with a turnbuckle, in which two rotating in opposite directions female thread or a left-hand thread and a right-hand thread, are provided with identical pitches.
  • 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.
  • a length adjustment and tensioning element may be used which has a right-hand thread at one end of its ends and a left-hand thread at its other end, or vice versa the two diagonal bars have either a right-hand thread or a left-hand thread.

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  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (15)

  1. Cadre (20) en treillis, dévolu à la constitution d'une structure de pontage et/ou de support et composé de plusieurs pièces métalliques individuelles en forme de tiges, à savoir d'au moins deux tubulures parallèles de soutien (21) de forme allongée, qui s'étendent respectivement dans la direction de leur axe longitudinal (26) et sont pourvues d'un pourtour extérieur (44) respectif ; d'au moins deux verrous transversaux parallèles (22) de forme allongée, qui s'étendent respectivement dans la direction de leur axe longitudinal (27) et perpendiculairement auxdites tubulures de soutien (21) ; et d'au moins un élément diagonal (23) de forme allongée, dont la longueur peut être réglée à l'aide d'un moyen intégré (65) de réglage en longueur et qui s'étend, dans la direction de son axe longitudinal (49), entre des zones d'angle (53.1, 53.2) diagonalement opposées dudit cadre (20) en treillis, chacune (21) desdites tubulures de soutien (21) comportant des extrémités (33.1, 33.2) pointant à distance l'une de l'autre, sachant que deux platines parallèles de rattachement (36.1, 36.2), respectivement fixées dans la région de chacune (33.1, 33.2) desdites extrémités (33.1, 33.2) des tubulures de soutien, s'étendent parallèlement aux axes longitudinaux (26) desdites tubulures de soutien (21) et parallèlement aux axes longitudinaux (27) des verrous transversaux (22), chaque verrou transversal (22) étant muni d'extrémités (35.1, 35.2) qui pointent à distance l'une de l'autre et sont respectivement fixées de manière articulée et libérable, au moyen d'un boulon (24) respectif, à une platine de rattachement associée (36.1, 36.2) au sein desdites platines de rattachement (36.1, 36.2), sachant que ledit élément diagonal (23), à présence minimale, est doté d'extrémités (61.2, 62.2) pointant à distance l'une de l'autre et respectivement fixées de manière articulée et libérable, au moyen d'un boulon (24) respectif, à une platine de rattachement associée (36.1, 36.2) parmi lesdites platines de rattachement (36.1, 36.2), les boulons (24) comportant des axes (29) qui s'étendent perpendiculairement aux axes longitudinaux (26, 27) desdites tubulures de soutien (21) et desdits verrous transversaux (22), et sachant qu'au moins deux ou au moins trois ou au moins quatre ou au moins cinq éléments de rattachement (50), dévolus au rattachement de composants d'échafaudage (71) et/ou au rattachement à des composants d'échafaudage (71), sont assujettis par soudage à chaque tubulure de soutien (21) suivant un espacement (55) correspondant à un multiple entier d'une cote modulaire d'un échafaudage modulaire,
    caractérisé par le fait
    que les éléments de rattachement (50) se présentent comme des rosettes dévolues au rattachement de têtes de solidarisation (70) et/ou au rattachement à des têtes de solidarisation (70) de composants d'échafaudage (71) ; par le fait que les deux platines parallèles de rattachement (36.1 ; 36.2), fixées dans la région de chaque extrémité (33.1, 33.2) de tubulure de soutien, sont situées dans un plan virtuel commun (38) contenant l'axe longitudinal (26) de la tubulure de soutien (21) considérée, et pointent à distance l'une de l'autre ; par le fait qu'un corps de liaison (41, 57) respectif, ceinturant l'intégralité du pourtour extérieur (44) de ladite tubulure de soutien (21) considérée, est consigné à demeure par soudage dans la région d'extrémités, ou sur au moins deux extrémités (33.1, 33.2) desdites tubulures de soutien (21) qui sont respectivement associées au même verrou transversal (22) ; et par le fait que les deux platines de rattachement (36.1, 36.2) respectives, fixées dans la région de ces extrémités (33.1, 33.2) des tubulures de soutien (21), sont assujetties par soudage soit au corps de liaison (41, 57) considéré, soit audit corps de liaison (41, 57) considéré et à la tubulure de soutien (21) considérée.
  2. Cadre en treillis selon la revendication 1, caractérisé par le fait qu'une rosette respective, au sein des rosettes (50), est disposée dans la région ou à proximité d'au moins les extrémités (33.1, 33.2) des tubulures de soutien (21) auxquelles le corps de liaison (41, 57) considéré est assujetti par soudage ; et par le fait qu'une partie respective de cette rosette (50) s'engage, à chaque fois, dans et à travers une fente réceptrice (46, 47) des deux platines de rattachement respectives (36.1, 36.2) fixées auxdites extrémités (33.1, 33.2) desdites tubulures de soutien (21), dans la région de ces dernières.
  3. Cadre en treillis selon la revendication 2, caractérisé par le fait que chaque platine de rattachement (36.1, 36.2), munie de la fente réceptrice (46, 47), est assujettie par soudage au corps de liaison (41, 57), à la tubulure de soutien (21) et à la rosette (50).
  4. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait qu'au moins deux, parmi les corps de liaison (41), se présentent comme des douilles de solidarisation ; et/ou par le fait qu'au moins deux, parmi les corps de liaison (57), se présentent comme des rosettes de solidarisation ou comme des disques de solidarisation pourvu(e)s ou dépourvu(e)s d'évidements.
  5. Cadre en treillis selon la revendication 4, caractérisé par le fait que chaque douille de solidarisation (41), au sein des deux douilles de solidarisation (41) à présence minimale, est configurée de façon telle qu'une tête de solidarisation (70) d'un composant d'échafaudage (71) puisse être clavetée rigidement, de manière libérable, sur une rosette (50) associée à la douille de solidarisation (41) considérée, au moyen d'une clavette d'assemblage (72), sans interférence avec ladite douille de solidarisation (41).
  6. Cadre en treillis selon la revendication 4 ou 5, caractérisé par le fait que chaque douille de solidarisation (41), au sein des deux douilles de solidarisation (41) à présence minimale, est pourvue d'un diamètre extérieur (45) choisi de telle sorte qu'un interstice (76) soit réservé entre une clavette, ou la clavette d'assemblage (72) au moyen de laquelle une tête, ou la tête de solidarisation (70) du composant d'échafaudage (71) est clavetée rigidement de manière libérable sur la rosette associée (50), et une surface extérieure de ladite douille de solidarisation (41) qui démarque ledit diamètre extérieur (45).
  7. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait que chaque rosette (50), au sein des rosettes (50), est assujettie par soudage à la tubulure de soutien (21) considérée, par la rosette (50) directement voisine au sein desdites rosettes (50), suivant un espacement mutuel (55) correspondant à la valeur simple de la cote modulaire.
  8. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait que chacune (21) des tubulures de soutien (21) comporte, au sein des rosettes (50), une rosette (50) la plus rapprochée de l'extrémité respective (33.1, 33.2) d'une tubulure de soutien ; et par le fait qu'au moins une tubulure de soutien (21), parmi lesdites tubulures de soutien (21), est reliée à un poteau d'un échafaudage modulaire au moyen d'un raccord tubulaire, sachant que plusieurs rosettes sont fixées audit poteau d'échafaudage suivant un espacement mutuel correspondant à la cote modulaire, rosettes dont chacune présente, pour l'essentiel, une configuration identique à celle des rosettes (50) des tubulures de soutien (21), et sachant que la rosette dudit poteau d'échafaudage qui est la plus rapprochée d'une extrémité dudit poteau d'échafaudage présente, par rapport à la rosette (50) de l'extrémité (33.1, 33.2) de la tubulure de soutien (21) qui occupe l'emplacement le plus proche, un espacement correspondant à un multiple entier de la cote modulaire ou à la valeur simple de ladite cote modulaire.
  9. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait qu'au moins une rosette (50) au sein des rosettes (50), ou au moins deux ou au moins trois ou au moins quatre desdites rosettes (50), comporte(nt) des trous de passage dédiés à l'emboîtement d'un élément de jonction d'une tête de solidarisation d'un composant, ou du composant d'échafaudage, et/ou à l'enfichage d'une clavette ou de la clavette d'assemblage (72) réalisée pour claveter rigidement, sur une rosette (50) au sein desdites rosettes (50), une tête ou ladite tête de solidarisation (70) d'un composant, ou dudit composant d'échafaudage (71).
  10. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait qu'au moins une rosette (50) au sein des rosettes (50), ou au moins deux ou au moins trois ou au moins quatre desdites rosettes (50), se présente(nt) comme un (des) disque(s) perforé(s).
  11. Cadre en treillis selon l'une des revendications précédentes, caractérisé par le fait que le moyen (65) de réglage en longueur se présente comme un élément de réglage en longueur et de serrage qui comporte un premier filetage (63.1), dans la région de sa première extrémité (66.1), et comporte un second filetage (63.2) dans la région de sa seconde extrémité (66.2) pointant à l'opposé de ladite première extrémité (66.1) ; par le fait que l'élément diagonal (23) comprend une première barrette diagonale (60.1) et une seconde barrette diagonale (60.2), ladite première barrette diagonale (60.1) étant dotée d'un second filetage (64.2) au niveau de sa première extrémité (61.1), et ladite seconde barrette diagonale (60.2) étant pourvue d'un premier filetage (64.1) au niveau de sa première extrémité (62.1), sachant que le premier filetage (63.1) de l'élément de réglage en longueur et de serrage coopère par vissage avec le premier filetage (64.1) de la seconde barrette diagonale (60.2), avec faculté de rotation mutuelle autour d'un premier axe de rotation (85.1 ; 78), et sachant que le second filetage (63.2) dudit élément de réglage en longueur et de serrage coopère par vissage avec le second filetage (64.2) de la première barrette diagonale (60.1), avec faculté de rotation mutuelle autour d'un second axe de rotation (85.2 ; 78) ; et par le fait que ledit premier filetage (63.1) dudit élément de réglage en longueur et de serrage, ledit second filetage (63.2) dudit élément de réglage en longueur et de serrage, ledit premier filetage (64.1) de ladite seconde barrette diagonale (60.2), et ledit second filetage (64.2) de ladite première barrette diagonale (60.1), sont des filetages tournant dans le même sens, sachant que ledit premier filetage (63.1) dudit élément de réglage en longueur et de serrage, et ledit premier filetage (64.1) de ladite seconde barrette diagonale (60.2), coopérant par vissage avec ce dernier, présentent respectivement un premier pas, et sachant que ledit second filetage (63.2) dudit élément de réglage en longueur et de serrage, et ledit second filetage (64.2) de ladite première barrette diagonale (60.1), coopérant par vissage avec ce dernier, présentent respectivement un second pas dont le dimensionnement diffère de celui dudit premier pas.
  12. Cadre en treillis selon la revendication 11, caractérisé par le fait que le premier filetage (63.1) de l'élément de réglage en longueur et de serrage, et le premier filetage (64.1) de la seconde barrette diagonale (60.2), sont respectivement associés à un premier type de filetage ; et par le fait que le second filetage (63.2) dudit élément de réglage en longueur et de serrage, et le second filetage (64.2) de la première barrette diagonale (60.1), sont respectivement associés à un second type de filetage différant dudit premier type de filetage.
  13. Cadre en treillis selon la revendication 12, caractérisé par le fait que le premier filetage (63.1) de l'élément de réglage en longueur et de serrage, et le premier filetage (64.1) de la seconde barrette diagonale (60.2), se présentent respectivement comme un filetage Dywidag ; et par le fait que le second filetage (63.2) dudit élément de réglage en longueur et de serrage, et le second filetage (64.2) de la première barrette diagonale (60.1), se présentent respectivement comme un filetage métrique.
  14. Support modulaire en treillis, constitué de plusieurs cadres en treillis conformes à l'une des revendications précédentes et disposés dans un plan de treillis commun, de façon telle que plusieurs verrous transversaux identiques les uns aux autres ou ne différant deux à deux que par leur longueur, dans chaque cadre en treillis, et mutuellement identiques pour le reste, soient agencés horizontalement en série et soient fixés de manière articulée et libérable, au moyen des boulons associés, aux platines de rattachement associées équipant les tubulures de soutien associées, identiques les unes aux autres, au nombre minimal de trois ou plus, qui s'étendent à chaque fois perpendiculairement auxdits verrous transversaux, sachant que des verrous transversaux, au nombre minimal de deux ou plus au sein desdits verrous transversaux, donnent naissance à une membrure supérieure dans laquelle les axes longitudinaux desdits verrous transversaux sont disposés pour l'essentiel coaxialement, ou avec alignement, et sachant que plusieurs verrous transversaux, au nombre minimal de deux ou plus au sein desdits verrous transversaux, donnent naissance à une membrure inférieure dans laquelle les axes longitudinaux desdits verrous transversaux sont disposés pour l'essentiel coaxialement, ou avec alignement.
  15. Structure de pontage et/ou de support comprenant au moins un ou plusieurs cadre(s) en treillis conforme(s) à l'une des revendications 1 à 13, ou un support en treillis conforme à la revendication 14.
EP16713283.6A 2015-03-05 2016-01-27 Cadre de treillis, support de charpente modulaire et structure de pontage et/ou de support Active EP3230537B1 (fr)

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DE102015103209.0A DE102015103209A1 (de) 2015-03-05 2015-03-05 Fachwerkrahmen, modularer Fachwerkträger und Überbrückungs- und/oder Tragkonstruktion
PCT/DE2016/100030 WO2016138889A1 (fr) 2015-03-05 2016-01-27 Cadre de treillis, support de charpente modulaire et structure de pontage et/ou de support

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DE102016106486A1 (de) 2016-04-08 2017-10-12 Wilhelm Layher Verwaltungs-Gmbh Modularer Fachwerkträger
CN107227841A (zh) * 2017-05-25 2017-10-03 成都市容德建筑劳务有限公司 一种加强紧固型脚手架
USD913526S1 (en) * 2018-01-10 2021-03-16 Nikken Lease Kogyo Co., Ltd. Pressing member of horizontal supporter for scaffolds
CN109441007A (zh) * 2018-09-27 2019-03-08 上海市建筑装饰工程集团有限公司 大面积屋面桁架吊杆系统
CN112211392A (zh) * 2020-09-28 2021-01-12 安徽长青建筑制品有限公司 一种建筑施工用脚手架支撑加固结构
CN113152677B (zh) * 2021-05-20 2024-09-20 浙江兴土桥梁专用装备制造有限公司 一种贝雷片
CN114482567B (zh) * 2022-01-17 2023-02-28 天元建设集团有限公司 可重复利用装配式钢支撑连接装置
CN114592679A (zh) * 2022-03-22 2022-06-07 中建七局交通建设有限公司 一种可调节的盘扣斜杆
CN115839162A (zh) * 2022-12-03 2023-03-24 江苏速捷模架科技有限公司 一种围护系统施工平台模块的花篮系统及安装工艺
CN115817758B (zh) * 2022-12-03 2024-05-14 江苏速捷模架科技有限公司 一种围护系统施工平台

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DE2439273C3 (de) * 1974-08-16 1981-12-17 Thyssen Röhrenhandel GmbH, 4000 Düsseldorf In Fachwerkschüsse unterteilter Gerüststützturm
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PL3230537T3 (pl) 2018-10-31
WO2016138889A1 (fr) 2016-09-09
US10196830B2 (en) 2019-02-05
NZ733154A (en) 2018-08-31
ES2674896T3 (es) 2018-07-04
AU2016228041A1 (en) 2017-08-17
EP3230537A1 (fr) 2017-10-18
AU2016228041B2 (en) 2017-09-14
DE112016000255A5 (de) 2017-10-05
BR112017016158B1 (pt) 2022-08-16
ZA201704329B (en) 2018-08-29
US20180266123A1 (en) 2018-09-20
DE102015103209A1 (de) 2016-09-08
BR112017016158A2 (pt) 2018-04-17

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