EP0097272A2 - Connection device for a collapsible framework - Google Patents

Connection device for a collapsible framework Download PDF

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Publication number
EP0097272A2
EP0097272A2 EP83105526A EP83105526A EP0097272A2 EP 0097272 A2 EP0097272 A2 EP 0097272A2 EP 83105526 A EP83105526 A EP 83105526A EP 83105526 A EP83105526 A EP 83105526A EP 0097272 A2 EP0097272 A2 EP 0097272A2
Authority
EP
European Patent Office
Prior art keywords
plate
gusset plate
gusset
post
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83105526A
Other languages
German (de)
French (fr)
Other versions
EP0097272B1 (en
EP0097272A3 (en
Inventor
Ewald Rüter
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.)
E Rueter GmbH
E RUTER GmbH
Original Assignee
E Rueter GmbH
E RUTER GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by E Rueter GmbH, E RUTER GmbH filed Critical E Rueter GmbH
Priority to AT83105526T priority Critical patent/ATE22140T1/en
Publication of EP0097272A2 publication Critical patent/EP0097272A2/en
Publication of EP0097272A3 publication Critical patent/EP0097272A3/en
Application granted granted Critical
Publication of EP0097272B1 publication Critical patent/EP0097272B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2406—Connection nodes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2409—Hooks, dovetails or other interlocking connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2466—Details of the elongated load-supporting parts
    • E04B2001/2472—Elongated load-supporting part formed from a number of parallel profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral
    • Y10T403/343—Unilateral of plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/44—Three or more members connected at single locus
    • Y10T403/443—All encompassed

Definitions

  • the invention relates to a device for the connection of separable truss structures consisting of tie rods and girders running transversely thereto, the tie rods each having a first, rigid gusset plate at one end and a second, detachable gusset plate at the other end, which laterally project beyond the tie rod Areas have recesses, furthermore at least two hooks are arranged on the opposite sides of the supports, which pass through the recesses of the gusset plates in opposite directions, and interlocks are provided which cause the supports to be clamped between the gusset plates.
  • the hook-like projections are laterally striving from the supports and the recesses in the gusset plates are designed as slots running in the direction of the connected supports, into which the support end parts are inserted, which have extensions through which the hook-like projections extend and are inclined Create tightening areas on the edges of the extensions facing away from the column.
  • the object of the invention is now to improve a device of the type described above in such a way that, while maintaining the advantages already achieved in the prior art, a considerable simplification of the connecting device itself as well as the assembly can be achieved with simple means and a simpler and cheaper production results.
  • the solution to this problem is characterized in that an opening is arranged in at least one of the support hooks penetrating the recesses of the first gusset plate, through which a wedge-shaped assembly tool is inserted, which clamps the first gusset plate to the support, and in the end face facing away from the first gusset plate an axially directed node rod Threaded bore is provided, into which a screw which passes through the second, centrally perforated gusset plate and is supported with a head on the outside of the gusset plate is screwed under axial prestress.
  • the other girders can be hooked into the other recesses of the first gusset plate, after which only the second gusset plate has to be plugged onto the hooks on the upper belt side of all girders and connected to the gusset rod by means of the screw.
  • the wedge-shaped assembly tool can then be released for reuse.
  • a material and weight-saving design consists in that the knot rod has a regular, polygonal one has a special square hollow profile, and that in the end portion of the node rod facing away from the first gusset plate, a disc adapted to the inner cross section of the node rod with a threaded bore axially extending to the node rod is firmly inserted.
  • a further considerable simplification of the further development of the assembly is characterized in that in the end part of the tie rod facing away from the first gusset plate, an axially parallel, front-end slit is arranged in all longitudinal sides and that each of the end faces of the carrier has a slot in the opposite one inserted, struts with the head on the inside of the node rod supporting itself.
  • the beams are already held in the correct position in the area of their upper straps relative to the common node bar even before the second gusset plate is connected.
  • the disc is close the free end of the knot bar and in the area of the slots and that the knot bar slots are provided in the pane opposite to the head bolt through openings.
  • a further advantageous embodiment of the above-described object is that the screw has a shaft length which is greater than the hook length in such a way that when the screw is loosened and penetrates the second gusset plate and when the second gusset plate is lifted off the knot bar, the supports can be attached to the knot bar without hindrance.
  • the second gusset plate is captively connected to the gusset rod even during assembly of the carrier.
  • a first gusset plate 2 is welded to a vertically oriented node rod 1 with a square hollow profile on the lower end face thereof.
  • a disc 3 is inserted which is adapted to the inner cross section of the node rod and which is permanently connected to the node rod 1 by welds.
  • the disk 3 has an axially directed threaded bore 4, which is formed by a screw nut 5 welded to the disk 3.
  • a head screw 6 is screwed into the threaded bore 4, the shaft of which passes through a second gusset plate 7, which is correspondingly perforated in the center, in such a way that the head of the screw 6 can be supported on the outside of the gusset plate 7.
  • the gusset plates 2 and 7 are congruent, have an octagonal shape and extend beyond the gusset bar 1 on all sides.
  • slot-like slot-like recesses 10 are provided which run in the direction of the trusses 8 and 9, respectively.
  • a longitudinal slot 13 opening on the end face is arranged opposite the truss girders on each longitudinal side of the tie rod.
  • head bolts 14 are provided on the supports 8 and 9, the shafts of which can be inserted into the slots and the heads of which are then supported on the inside slot edges.
  • the length of the bolt shafts is only slightly larger than the thickness of the knot bar walls.
  • head bolt insertion openings 15 are also provided in the disc 3.
  • the screw 6 has a shaft length which is so greater than the length of the hooks 11 that, as can be seen from FIG. 1, when the screw 6 is loosened and the gusset plate 7 is lifted off the gusset bar 1, the girders are attached to the gusset bar 1 unhindered.
  • the knot bar 1 was first connected to the support 8, which was already held at one end in a fixed manner, the hooks 11 of the support 8 on the lower belt reaching through the recesses 10 of the gusset plate 2 and a wedge-shaped assembly tool 16 being driven into the opening 12 of the hooks 11 has been, which presses the gusset plate 12 firmly against the underside of the carrier 8.
  • the head bolt 14 of the carrier 8 has been inserted into the slot 13 of the gusset plate 1 assigned to it, so that the gusset rod 1 is also connected to the carrier 8 in a form-fitting and correct position.
  • the gusset plate 7 is attached in such a way that the hooks 11 of all the supports pass through the recesses 10 assigned to them, after which the screw 6 is tightened by means of a torque wrench.
  • the wedge-shaped assembly device can then be released for reuse.
  • the girders 8 and 9 are supported on the gussets 2 and 7 with relatively small, raised surfaces 17 arranged at a distance from the hooks 11 at the end of the girders.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

A construction assembly for making a collapsible structure has a post extending along and defining an upright post axis and having one end formed with an axially centered threaded bore open in one axial direction, normally upward. A first plate fixed on the post offset in the opposite axial direction, normally downward, from the one end extends generally perpendicular to the axis and is formed with at least one vertically throughgoing cutout offset from the post axis. A frame has a first fitting formed with a projection extending in the opposite direction through the hole and formed on the side of the first plate directed in this opposite direction with a passage that is throughgoing parallel to the first plate, and a second fitting at the one post end and formed with a projection extending in the one direction. A locking member engaged through the passage bears in the one direction on the first plate. A second plate extending generally perpendicular to the post axis is formed at the axis with a throughgoing bore and offset from the axis with a vertically throughgoing cutout through which extends the projection of the second fitting. A bolt threaded in the bore of the post passes through the bore of the second plate and has a head bearing in the opposite direction on the second plate. Thus the bolt presses the second plate down on the second fitting to lock the frame to the post.

Description

Die Erfindung betrifft eine Vorrichtung zur Verbindung von aus Knotenstäben und dazu quer verlaufenden Trägern bestehende, zerlegbare Fachwerksbauten, wobei die Knotenstäbe jeweils an einem Ende ein erstes, starres Knotenblech und am anderen Ende ein zweites, lösbares Knotenblech aufweisen, die in ihren den Knotenstab seitlich überragenden Bereichen Ausnehmungen haben, wobei ferner an den gegenüberliegenden Seiten der Träger mindestens je zwei Haken angeordnet sind, welche einander entgegengerichtet die Ausnehmungen der Knotenbleche durchgreifen, und wobei Verriegelungen vorgesehen sind, die eine Einspannung der Träger zwischen den Knotenblechen bewirken.The invention relates to a device for the connection of separable truss structures consisting of tie rods and girders running transversely thereto, the tie rods each having a first, rigid gusset plate at one end and a second, detachable gusset plate at the other end, which laterally project beyond the tie rod Areas have recesses, furthermore at least two hooks are arranged on the opposite sides of the supports, which pass through the recesses of the gusset plates in opposite directions, and interlocks are provided which cause the supports to be clamped between the gusset plates.

Aus der deutschen Offenlegungsschrift 26 25 455 ist eine Verbindung für aus Säulen und quer dazu verlaufenden Trägern bestehende, zerlegbare Fachwerksbauten bekannt, wobei die Säulen aus stockwerkshohen Säulenteilen bestehen, die an ihren Enden über den Querschnitt der Säule hinausragende, in horizontalen Ebenen liegende Knotenbleche mit in ihrem überragenden Bereich vorgesehenen Aufnehmungen aufweisen, wobei an gegenüberliegenden Seiten des Trägers hakenartige Vorsprünge vorgesehen sind, die die Ausnehmungen der Knotenbleche durchgreifen und wobei keilartige Riegel vorgesehen sind, die einen Anzug des Trägers in Richtung auf die Säule und das Knotenblech bewirken.From the German Offenlegungsschrift 26 25 455 a connection is known for separable half-timbered buildings consisting of pillars and transversely extending beams, the pillars consisting of floor-to-ceiling pillar parts, the ends of which protrude beyond the cross section of the pillar and lie in horizontal planes with gusset plates in have protruding areas provided receptacles, hook-like projections are provided on opposite sides of the carrier, which penetrate through the recesses of the gusset plates and wedge-like bars are provided, which pull the carrier towards the column and the gusset plate.

Ferner sind hierbei die hakenartigen Vorsprünge von den Trägern seitlich abstrebend angeordnet und die Ausnehmungen in den Knotenblechen sind als in Richtung der angeschlossenen Träger verlaufende Schlitze ausgebildet, in die die Trägerendteile eingesteckt sind, welche Erweiterungen aufweisen, durch die die hakenartigen Vorsprünge hindurchgreifen und sich mit schrägen Anzugsflächen an den der Säule abgewandten Kanten der Erweiterungen anlegen.Furthermore, the hook-like projections are laterally striving from the supports and the recesses in the gusset plates are designed as slots running in the direction of the connected supports, into which the support end parts are inserted, which have extensions through which the hook-like projections extend and are inclined Create tightening areas on the edges of the extensions facing away from the column.

Aus der betrieblichen Praxis ist es hierzu außerdem bekannt, anstelle von stockwerkshohen Säulenteilen trägerhohe Knotenstäbe vorzusehen, die sich jeweils von den Untergurten bis zu den Obergurten der Fachwerksträger erstrecken, um mehrere Träger in einem Knotenpunkt freitragend miteinander zu verbinden.In addition, it is known from operational practice to provide support-high node bars instead of floor-to-ceiling column parts, each of which extends from the lower chords to the upper chords of the compartment extend the work carrier in order to connect several carriers in a self-supporting manner at a node.

Dabei ist es allerdings notwendig, jeden Träger am Knotenstab mittels zweier keilförmiger Riegel festzulegen, so daß bei vier in einem Knotenpunkt zusammentreffenden Trägern, also 8 Riegel zu setzen sind.However, it is necessary to fix each girder to the node bar by means of two wedge-shaped bolts, so that when there are four girders meeting at a node, 8 bolts are to be set.

Diese hierbei erforderlichen Maßnahmen sind aber relativ umständlich und zeitraubend.However, the measures required here are relatively cumbersome and time-consuming.

Aufgabe der Erfindung ist es nun, eine Vorrichtung der vorbeschriebenen Art derart zu verbessern, daß unter Beibehaltung der beim Stand der Technik bereits erreichten Vorteile darüber hinaus mit einfachen Mitteln eine erhebliche Vereinfachung der Verbindungsvorrichtung selbst als auch der Montage erreichbar ist und eine einfachere und preiswertere Herstellung ergibt.The object of the invention is now to improve a device of the type described above in such a way that, while maintaining the advantages already achieved in the prior art, a considerable simplification of the connecting device itself as well as the assembly can be achieved with simple means and a simpler and cheaper production results.

Die Lösung dieser Aufgabe ist dadurch gekennzeichnet, daß mindestens in einem der die Ausnehmungen des ersten Knotenbleches durchgreifenden Trägerhaken ein Durchbruch angeordnet ist, durch den ein keilförmiges, das erste Knotenblech an den Träger anspannendes Montagewerkzeug hindurchgesteckt ist, und daß in der dem ersten Knotenblech abgewandten Stirnseite des Knotenstabes eine axial gerichtete Gewindebohrung vorgesehen ist, in die eine das zweite, mittig gelochte Knotenblech durchgreifende und mit einem Kopf außenseitig des Knotenbleches sich abstützende Schraube unter axialer Vorspannung eingeschraubt ist.The solution to this problem is characterized in that an opening is arranged in at least one of the support hooks penetrating the recesses of the first gusset plate, through which a wedge-shaped assembly tool is inserted, which clamps the first gusset plate to the support, and in the end face facing away from the first gusset plate an axially directed node rod Threaded bore is provided, into which a screw which passes through the second, centrally perforated gusset plate and is supported with a head on the outside of the gusset plate is screwed under axial prestress.

Jene Ausgestaltung erlaubt die Träger nunmehr wie folgt miteinander zu verbinden:

  • Zunächst wird am freien Ende eines bereits ortsfest gehalterten Trägers der Knotenstab angeschlossen, wobei die untergurtseitigen Haken die Ausnehmungen des starren, ersten Knotenbleches durchgreifen und wobei diese Steckverbindung mittels des keilförmigen Montagewerkzeuges gesichert wird.
That configuration now allows the carriers to be connected to one another as follows:
  • First, the node rod is connected to the free end of a carrier that is already held in a fixed position, the hooks on the lower belt reaching through the recesses of the rigid, first gusset plate, and this plug connection is secured by means of the wedge-shaped assembly tool.

Alsdann können in die anderen Aussparungen des ersten Knotenbleches die weiteren Träger eingehängt werden, wonach nur noch das zweite Knotenblech auf die obergurtseitigen Haken aller Träger aufgesteckt und mit dem Knotenstab mittels der Schraube verbunden werden muß. Danach kann das keilförmige Montagewerkzeug zur Wiederverwendung gelöst werden.Then the other girders can be hooked into the other recesses of the first gusset plate, after which only the second gusset plate has to be plugged onto the hooks on the upper belt side of all girders and connected to the gusset rod by means of the screw. The wedge-shaped assembly tool can then be released for reuse.

Eine material- und gewichtssparende Ausgestaltung besteht hierzu darin, daß der Knotenstab ein regelmäßiges, vieleckiges insbesondere quadratisches Hohlprofil aufweist, und daß in den dem ersten Knotenblech abgewandten Endteil des Knotenstabes eine dem Innenquerschnitt des Knotenstabes angepaßte Scheibe mit einer zum Knotenstab axial verlaufenden Gewindebohrung fest eingefügt ist.A material and weight-saving design consists in that the knot rod has a regular, polygonal one has a special square hollow profile, and that in the end portion of the node rod facing away from the first gusset plate, a disc adapted to the inner cross section of the node rod with a threaded bore axially extending to the node rod is firmly inserted.

Eine die Montage weiterhin erhebliche Vereinfachung der Weiterbildung ist dadurch gekennzeichnet, daß in dem dem ersten Knotenblech abgewandten Endteil des Knotenstabes in allen Längsseiten je ein achsparallel verlaufender, stirnseitig ausmündender Schlitz angeordnet ist und daß von den Stirnseiten der Träger je ein in den jeweils gegenüber befindlichen Schlitz eingesteckter, mit dem Kopf innenseitig des Knotenstabes sich abstützender Bolzen abstrebt.A further considerable simplification of the further development of the assembly is characterized in that in the end part of the tie rod facing away from the first gusset plate, an axially parallel, front-end slit is arranged in all longitudinal sides and that each of the end faces of the carrier has a slot in the opposite one inserted, struts with the head on the inside of the node rod supporting itself.

Hierdurch sind die Träger bereits schon vor dem Anschluß des zweiten Knotenbleches auch im Bereich ihrer Obergurte relativ zum gemeinsamen Knotenstab lagerichtig gehalten.As a result, the beams are already held in the correct position in the area of their upper straps relative to the common node bar even before the second gusset plate is connected.

Dabei ist es zur Erzielung einer hohen Formfestigkeit des Knotenstabes im Bereich der Schlitze vorteilhaft, wenn die Scheibe nahe der freien Knotenstabstirnseite und im Bereich der Schlitze angeordnet ist und daß in der Scheibe den Knotenstabschlitzen gegenüber Kopfbolzendurchstecköffnungen vorgesehen sind.To achieve a high dimensional stability of the node rod in the area of the slots, it is advantageous if the disc is close the free end of the knot bar and in the area of the slots and that the knot bar slots are provided in the pane opposite to the head bolt through openings.

Eine weitere vorteilhafte Ausgestaltung des vorbeschriebenen Gegenstandes besteht darin, daß die Schraube eine gegenüber der Hakenlänge so größere Schaftlänge aufweist, daß bei gelockerter, das zweite Knotenblech durchgreifender Schraube und bei vom Knotenstab abgehobenem, zweiten Knotenblech die Träger an den Knotenstab ungehindert anhängbar sind.A further advantageous embodiment of the above-described object is that the screw has a shaft length which is greater than the hook length in such a way that when the screw is loosened and penetrates the second gusset plate and when the second gusset plate is lifted off the knot bar, the supports can be attached to the knot bar without hindrance.

Hierdurch ist das zweite Knotenblech auch während der Montage der Träger mit dem Knotenstab unverlierbar verbunden.As a result, the second gusset plate is captively connected to the gusset rod even during assembly of the carrier.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawings and will be described in more detail below.

Es zeigen

  • Fig. 1 eine Knotenverbindung von Fachwerkträgern während der Montage in der Vorderansicht, teilweise aufgebrochen;
  • Fig. 2 desgleichen fertig montiert;
  • Fig. 3 desgleichen in Richtung der Linie III-III der Fig. 1 gesehen.
Show it
  • Figure 1 shows a node connection of trusses during assembly in the front view, partially broken away.
  • Fig. 2 also fully assembled;
  • Fig. 3 also seen in the direction of line III-III of Fig. 1.

Hierbei ist an einem vertikal gerichteten Knotenstab 1 quadratischen Hohlprofiles an deren unteren Stirnseite ein erstes Knotenblech 2 angeschweißt.In this case, a first gusset plate 2 is welded to a vertically oriented node rod 1 with a square hollow profile on the lower end face thereof.

In den oberen freien Endteil des Knotenstabes 1 ist eine dem Innenquerschnitt des Knotenstabes angepaßte Scheibe 3 eingefügt, die durch Schweißnähte mit dem Knotenstab 1 unlösbar verbunden ist.In the upper free end part of the node rod 1, a disc 3 is inserted which is adapted to the inner cross section of the node rod and which is permanently connected to the node rod 1 by welds.

Die Scheibe 3 besitzt eine axial gerichtete Gewindebohrung 4, die durch eine an der Scheibe 3 angeschweißte Schraubenmutter 5 gebildet ist.The disk 3 has an axially directed threaded bore 4, which is formed by a screw nut 5 welded to the disk 3.

In die Gewindebohrung 4 ist eine Kopfschraube 6 eingeschraubt, deren Schaft ein mittig entsprechend gelochtes, zweites Knotenblech 7 so durchgreift, daß sich der Kopf der Schraube 6 außenseitig des Knotenbleches 7 abstützen kann.A head screw 6 is screwed into the threaded bore 4, the shaft of which passes through a second gusset plate 7, which is correspondingly perforated in the center, in such a way that the head of the screw 6 can be supported on the outside of the gusset plate 7.

Die Knotenbleche 2 und 7 sind deckungsgleich ausgebildet, haben eine achteckige Gestalt und reichen allseitig über den Knotenstab 1 hinaus.The gusset plates 2 and 7 are congruent, have an octagonal shape and extend beyond the gusset bar 1 on all sides.

In den den Knotenstab seitlich überragenden Bereichen der Knotenblech 2 und 7 sind schlitzartige, in Richtung der Fachwerksträger 8 bzw. 9 verlaufende schlitzartige Ausnehmungen 10 vorgesehen.In the regions of the gusset plate 2 and 7 projecting laterally beyond the node bar, slot-like slot-like recesses 10 are provided which run in the direction of the trusses 8 and 9, respectively.

Ferner sind an den Enden der Fachwerksträger 8 und 9, wie aus der deutschen Offenlegungsschrift 26 25 455 bekannt, sowohl untergurtseitig als auch obergurtseitig jeweils zwei einander entgegengerichtete Haken 11 angeordnet, die die Ausnehmungen 10 durchgreifen.Furthermore, at the ends of the trusses 8 and 9, as is known from German Offenlegungsschrift 26 25 455, two mutually opposing hooks 11 are arranged on both the lower and upper chord sides, which pass through the recesses 10.

Außerdem sind in den Knotenblechen 2 und 7 noch weitere, nicht dargestellte Ausnehmungen zum Anschluß von ebenfalls nicht gezeigten, weiteren, zu den Fachwerksträgern 8 und 9 rechtwinklig gerichteten Fachwerksträgern vorgesehen.In addition, in the gusset plates 2 and 7 there are further recesses, not shown, for connecting further, also not shown, further truss girders directed at right angles to the truss girders 8 and 9.

In den Haken 11 sind Durchbrüche 12 angeordnet, deren Funktionen noch beschrieben werden.In the hook 11 openings 12 are arranged, the functions of which will be described.

In dem dem Knotenblech 7 zugewandten Endteil des Knotenstabes 1 ist in jeder Knotenstablängsseite den Fachwerksträgern jeweils gegenüber ein längsverlaufender, stirnseitig ausmündender Schlitz 13 angeordnet.In the end part of the tie rod 1 facing the gusset plate 7, a longitudinal slot 13 opening on the end face is arranged opposite the truss girders on each longitudinal side of the tie rod.

Diesen Schlitzen 13 jeweils gegenüber sind an den Trägern 8 und 9 Kopfbolzen 14 vorgesehen, deren Schäfte in die Schlitze eingesteckt werden können und deren Köpfe sich dann an den innenseitigen Schlitzrändern abstützen.Opposite these slots 13, head bolts 14 are provided on the supports 8 and 9, the shafts of which can be inserted into the slots and the heads of which are then supported on the inside slot edges.

Dabei ist die Länge der Bolzenschäfte nur geringfügig größer als die Dicke der Knotenstabwände.The length of the bolt shafts is only slightly larger than the thickness of the knot bar walls.

Damit die Scheibe das Einstecken der Kopfbolzen 14 in die Schlitze 13 nicht behindert, sind in der Scheibe 3 noch Kopfbolzendurchsteck- öffnungen 15 vorgesehen.So that the disc does not hinder the insertion of the head bolts 14 into the slots 13, head bolt insertion openings 15 are also provided in the disc 3.

Die Schraube 6 hat eine gegenüber der Länge der Haken 11 so größere Schaftlänge, daß, wie aus der Fig. 1 ersichtlich, bei gelockerter Schraube 6 und bei vom Knotenstab 1 abgehobenen Knotenblech 7 die Träger an dem Knotenstab 1 ungehindert angehängt werden.The screw 6 has a shaft length which is so greater than the length of the hooks 11 that, as can be seen from FIG. 1, when the screw 6 is loosened and the gusset plate 7 is lifted off the gusset bar 1, the girders are attached to the gusset bar 1 unhindered.

Zuvor ist jedoch zunächst der Knotenstab 1 an den mit dem einen Ende bereits ortsfest gehalterter Träger 8 angeschlossen worden, wobei die untergurtseitigen Haken 11 des Trägers 8 die Ausnehmungen 10 des Knotenbleches 2 durchgreifen und wobei in den Durchbruch 12 der Haken 11 ein keilförmiges Montagewerkzeug 16 eingetrieben worden ist, der das Knotenblech 12 fest an die Unterseite des Trägers 8 anpreßt.Prior to this, however, the knot bar 1 was first connected to the support 8, which was already held at one end in a fixed manner, the hooks 11 of the support 8 on the lower belt reaching through the recesses 10 of the gusset plate 2 and a wedge-shaped assembly tool 16 being driven into the opening 12 of the hooks 11 has been, which presses the gusset plate 12 firmly against the underside of the carrier 8.

Außerdem ist gleichzeitig der Kopfbolzen 14 des Trägers 8 in den ihm zugeordneten Schlitz 13 des Knotenbleches 1 eingesteckt worden, so daß der Knotenstab 1 auch obergurtseitig formschlüssig und lagerichtig mit dem Träger 8 verbunden ist.In addition, the head bolt 14 of the carrier 8 has been inserted into the slot 13 of the gusset plate 1 assigned to it, so that the gusset rod 1 is also connected to the carrier 8 in a form-fitting and correct position.

Sind dann alle Träger in den gemeinsamen Knotenstab 1 eingehängt worden, wird das Knotenblech 7 so aufgesteckt, daß die Haken 11 aller Träger die ihnen zugeordneten Ausnehmungen 10 durchgreifen, wonach die Schraube 6 mittels eines Drehmomentschlüssels angezogen wird.Once all the supports have been suspended in the common node rod 1, the gusset plate 7 is attached in such a way that the hooks 11 of all the supports pass through the recesses 10 assigned to them, after which the screw 6 is tightened by means of a torque wrench.

Danach kann das keilförmige Montagegerät zur Wiederverwendung gelöst werden.The wedge-shaped assembly device can then be released for reuse.

Um möglichst kleine Biegemomente im Bereich der Knotenbleche 2 und 7 zu erhalten, stützen sich die Träger 8 und 9 mit relativ kleinen, erhabenen, mit Abstand von den Haken 11 am Ende der Träger angeordneten Flächen 17 an den Knotenstäben 2 bzw. 7 ab.In order to obtain the smallest possible bending moments in the area of the gusset plates 2 and 7, the girders 8 and 9 are supported on the gussets 2 and 7 with relatively small, raised surfaces 17 arranged at a distance from the hooks 11 at the end of the girders.

Claims (5)

1. Vorrichtung zur Verbindung von aus Knotenstäben und dazu quer verlaufenden Trägern bestehende, zerlegbare Fachwerksbauten, wobei die Knotenstäbe jeweils an einem Ende ein erstes, starres Knotenblech und am anderen Ende ein zweites, lösbares Knotenblech aufweisen, die in ihren den Knotenstab seitlich überragenden Bereichen Ausnehmungen haben, wobei ferner an den gegenüberliegenden Seiten der Träger mindestens je zwei Haken angeordnet sind, welche einander entgegengerichtet die Ausnehmungen der Knotenbleche durchgreifen, und wobei Verriegelungen. vorgesehen sind, die eine Einspannung der Träger zwischen den Knotenblechen bewirken, dadurch gekennzeichnet, daß mindestens in einem der die Ausnehmungen (10) des ersten Knotenbleches (2) durchgreifenden Trägerhaken (11) ein Durchbruch (12) angeordnet ist, durch den ein keilförmiges, das erste Knotenblech (2) an den Träger (8) anspannendes Montagewerkzeug (16) hindurchgesteckt ist, und daß in der dem ersten Knotenblech (2) abgewandten Stirnseite des Knotenstabes (1) eine axial gerichtete Gewindebohrung (4) vorgesehen ist, in die eine das zweite, mittig gelochte Knotenblech (7) durchgreifende und mit einem Kopf außenseitig des Knotenbleches (7) sich abstützende Schraube (6) unter axialer Vorspannung eingeschraubt ist.1.Device for the connection of separable half-timbered buildings consisting of tie rods and girders extending transversely thereto, the tie rods each having a first rigid gusset plate at one end and a second, detachable gusset plate at the other end, which have recesses in their laterally projecting areas of the tie rod have, furthermore, at least two hooks are arranged on the opposite sides of the carrier, which engage opposite each other through the recesses of the gusset plates, and wherein latches. are provided which cause the girders to be clamped between the gusset plates, characterized in that an opening (12) is arranged in at least one of the girder hooks (11) penetrating the recesses (10) of the first gusset plate (2), through which a wedge-shaped, the first gusset plate (2) is inserted through the mounting tool (16) which clamps on the carrier (8), and that in the end face of the gusset rod (1) facing away from the first gusset plate (2) an axially directed threaded bore (4) is provided, into which a screw (6) which passes through the second, centrally perforated gusset plate (7) and is supported with a head on the outside of the gusset plate (7) is screwed in under axial prestress. 2. Vorrichtung nach Anspruch l, dadurch gekennzeichnet, daß der Knotenstab (1) ein regelmäßiges, vieleckiges, insbesondere quadratisches Hohlprofil aufweist und daß in den dem ersten Knotenblech (2) abgewandten Endteil des Knotenstabes (1) eine dem Innenquerschnitt des Knotenstabes (1) angepaßte Scheibe (3) mit einer zum Knotenstab (1) axial verlaufenden Gewindebohrung (4) fest eingefügt ist.2. Apparatus according to claim l, characterized in that the knot bar (1) has a regular, polygonal, in particular square hollow profile and that in the end part of the knot bar (1) facing away from the first knot plate (2) one of the inner cross section of the knot bar (1) adapted washer (3) with a threaded hole (4) axially extending to the node rod (1) is firmly inserted. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß in dem dem ersten Knotenblech (2) abgewandten Endteil des Knotenstabes (1) in allen Längsseiten je ein achsparallel verlaufender, stirnseitig ausmündender Schlitz (13) angeordnet ist und daß von den Stirnseiten der Träger (8,9) je ein in den jeweils gegenüber befindlichen Schlitz (13) eingesteckter, mit dem Kopf innenseitig des Knotenstabes (1) sich abstützender Bolzen (14) abstrebt.3. Apparatus according to claim 2, characterized in that in the end part of the node rod (1) facing away from the first gusset plate (2) in each of the longitudinal sides there is an axially parallel, end-opening slot (13) and that the end faces of the carrier ( 8,9) each with a head inserted into the slot (13) located opposite each other Bolts (14) supporting on the inside of the node rod (1). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Scheibe (3) nahe der freien Knotenstabstirnseite und im Bereich der Schlitze (13) angeordnet ist und daß in der Scheibe (3) den Knotenstabschlitzen (13) gegenüber Kopfbolzendurchsteck- öffnungen (15) vorgesehen sind.4. The device according to claim 3, characterized in that the disc (3) is arranged near the free node rod end and in the region of the slots (13) and that in the disc (3) the node rod slots (13) opposite head bolt through openings (15) are provided. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schraube (6) eine gegenüber der Hakenlänge so größere Schaftlänge aufweist, daß bei gelockerter, das zweite Knotenblech (7) durchgreifender Schraube (6) und bei vom Knotenstab (1) abgehobenem zweiten Knotenblech (7) die Träger (9) an den Knotenstab (1) ungehindert anhängbar sind.5. Device according to one of claims 1 to 4, characterized in that the screw (6) has a shaft length which is so greater than the hook length that when the second knot plate (7) is loosened, the screw (6) passes through and from the knot bar (1 ) raised second gusset plate (7), the supports (9) can be attached to the node rod (1) without hindrance.
EP83105526A 1982-06-18 1983-06-04 Connection device for a collapsible framework Expired EP0097272B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83105526T ATE22140T1 (en) 1982-06-18 1983-06-04 CONNECTING DEVICE FOR DETACHABLE FRAMEWORK STRUCTURES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3222811A DE3222811C1 (en) 1982-06-18 1982-06-18 Connection device for dismantled half-timbered buildings
DE3222811 1982-06-18

Publications (3)

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EP0097272A2 true EP0097272A2 (en) 1984-01-04
EP0097272A3 EP0097272A3 (en) 1985-05-15
EP0097272B1 EP0097272B1 (en) 1986-09-10

Family

ID=6166288

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Application Number Title Priority Date Filing Date
EP83105526A Expired EP0097272B1 (en) 1982-06-18 1983-06-04 Connection device for a collapsible framework

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US (1) US4566245A (en)
EP (1) EP0097272B1 (en)
AT (1) ATE22140T1 (en)
DE (2) DE3222811C1 (en)

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US7779599B2 (en) * 2004-03-31 2010-08-24 Safway Services, Llc Articulating work platform support system, work platform system, and methods of use thereof
US8123001B1 (en) 2008-03-18 2012-02-28 Paul Kristen, Inc. Modular platform/ scaffolding

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Also Published As

Publication number Publication date
EP0097272B1 (en) 1986-09-10
ATE22140T1 (en) 1986-09-15
US4566245A (en) 1986-01-28
DE3366034D1 (en) 1986-10-16
EP0097272A3 (en) 1985-05-15
DE3222811C1 (en) 1983-11-17

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