EP0369197A1 - Clamp for connecting form work panels together - Google Patents

Clamp for connecting form work panels together Download PDF

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Publication number
EP0369197A1
EP0369197A1 EP89119603A EP89119603A EP0369197A1 EP 0369197 A1 EP0369197 A1 EP 0369197A1 EP 89119603 A EP89119603 A EP 89119603A EP 89119603 A EP89119603 A EP 89119603A EP 0369197 A1 EP0369197 A1 EP 0369197A1
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EP
European Patent Office
Prior art keywords
eccentric
clamping jaws
legs
clamping
adjusting
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EP89119603A
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German (de)
French (fr)
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EP0369197B1 (en
Inventor
Johann Badstieber
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Individual
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Priority to AT89119603T priority Critical patent/ATE69634T1/en
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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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the invention relates to a clamp for connecting formwork panels arranged side by side in one plane, which have circumferential edge profiles, in particular hollow profiles, with two clamping jaws pivotable against the mutually facing longitudinal surfaces of the adjacent edge profiles and compressing them, and an actuating element for pivoting these clamping jaws, the each of the two clamping jaws at their end facing away from their clamping point has an adjusting leg at an angle to them, these adjusting legs of the two clamping jaws are directed towards one another and both clamping jaws are pivotably mounted on a support approximately in the corner region of their two adjusting legs.
  • DE-PS 27 59 966 shows a clamp in which the clamping legs cannot be pivoted, but can be pulled against one another and braced by a part which passes through the adjusting legs together.
  • EP-OS 0 201 887 is a bracket of the beginning mentioned type known, in which the two jaws have a common joint and the two adjustment legs are pivotable relative to each other by a screw passing through them.
  • the joint is arranged in a corner at the transition of a clamping jaw to its adjusting leg, so that the two clamping jaws are acted upon when adjusting on different lever arms and it is not ensured that a uniform force transmission takes place, which can be used to align the two edge profiles to be connected .
  • the support for receiving the adjustment or swivel legs and the joints and the eccentric has a stop surface facing the profiles to be braced, which is parallel to the formlining and to the webs facing away from the formwork Hollow profiles runs.
  • the cross member receiving the bearings or joints of the clamping jaws has a U-shaped cross section, the U cross bar facing the edge profiles to be connected and aligned and forming the stop and alignment surface.
  • the U-shape has the advantage that the adjustment legs can be arranged in the interior of this cross member and their swivel joints can be supported on the two U-legs, ie on both sides. In addition, this results in a good rigidity and strength of this support, which has the triple function of accommodating the pivot bearings for the clamping jaws and adjusting legs, the eccentrics to allow storage in an elongated hole and to form an alignment surface for the edge profiles.
  • a bracket designated as a whole by 1 is used to connect formwork panels arranged next to one another in one plane, which have circumferential edge profiles 2, in the exemplary embodiment hollow profiles, wherein only these hollow profiles 2 are shown in FIGS. 1 and 2 without the formwork skins to be attached to them.
  • the clamp 1 has two swiveling and compressing clamping jaws 3 against the longitudinal surfaces 2a of the adjoining edge profiles 2, and an actuating element to be described for this pivoting of the clamping jaws 3.
  • the two clamping jaws 3 each have at their end facing away from their clamping point 3a an adjusting leg 4 at an angle to them, the adjusting legs 4 of the two clamping jaws 3 facing each other.
  • Both jaws 3 are pivotally mounted on a common support 5 approximately in the corner area at the transition to their legs 4.
  • the swivel joints 6 can be seen particularly well in FIGS. 1 and 2.
  • the clamping jaws 3 and their adjusting legs 4 are each arranged approximately at right angles to one another and the adjusting legs 4 are approximately in the direction of extension of the Carrier 5 oriented.
  • the support 5 for receiving the adjustment or swivel legs 4 and the joints 6 and the eccentric 7 has a stop surface 9 facing the profiles 2 to be tensioned, which runs parallel to the formlining and to the webs 2b of the hollow profiles 2 facing away from the formwork facing and is arranged in the embodiment on the outside of the crossbar 5a.
  • the clamping jaws 3 have projections which fit into corresponding depressions 10 of the hollow profiles 2, these projections and the depressions 10 in a manner known per se for inclined surfaces for tightening the stop surface 9 of the cross member 5 or its crossbar 5a against the hollow profiles Have 2.
  • the bracing of the clamp 1 thus advantageously also precisely aligns the edge webs or edge supports 2 of the formwork panels to be connected and thus of their formlining.
  • eccentric 7 is connected to an actuating lever 11 - in one piece in the exemplary embodiment - so that the entire clamp can be operated very simply by pivoting this actuating lever 11 from the one shown in FIG Fig. 2 shown position is possible.
  • This actuating lever 11 arranged on the eccentric disk 7 is located approximately parallel to the formwork skin and approximately at right angles to the clamping jaws 3 when the clamping jaws 3 are open (FIG. 1), while the area of greatest eccentricity of the eccentric disk 7 is approximately at a right angle the actuating lever 11 extending line and is arranged approximately in the direction of orientation of the elongated hole 8.
  • the length of the elongated hole 8 for the bearing pin 7a of the eccentric 7 corresponds at least to the greatest eccentricity of the eccentric 7, so that the displacement of its bearing pin 7a, which is forced when the eccentric disk 7 is rotated, and thus the pivoting of the adjustment limbs and the clamping jaws 3 can take place undisturbed.
  • the eccentricity of the eccentric 7 and the length of the elongated hole 8 for the pivot pin 7a of the eccentric 7 are dimensioned so large that the two adjustment legs 4 of the jaws 3 in the closed position (FIG. 2) form an obtuse angle with their side facing the formlining , while in the open position such an obtuse angle is formed on the other side, so that a dead center is overcome when tensioning and self-locking of the closed position is achieved.
  • bracket 1 and its joints 6 and the eccentric bearing pin 7, which is arranged in the middle between the two joints 6 parallel to them and is displaceable is that the pivoting path of the eccentric lever in a circular segment area facing away from the formwork and the edge webs 2 and thereby a plane running perpendicular to the formwork, so that this movement of the eccentric lever 11 takes place very comfortably and without hindrance by the formwork, both when closing and when opening the clamp 1 .
  • the pivot pin 7a of the eccentric 7 does not necessarily have to be guided in an elongated hole 8, but is already guided sufficiently precisely transversely to the direction of the formlining by the attachment to the two adjusting legs 4 in their overlap region. It is only important that the eccentric 7 engages with its pivot 7a or the like axis in the area of the overlap on both adjustment legs 4 and that its outer circumference rests on the side of the crossbar 5a of the carrier 5 facing away from the hollow profiles 2. Due to the increasing distance of the outer circumference of the eccentric 7 from its pivot 7a, the rotation of the pivot 7a relative to the transverse web 5a and thus the pivoting of the adjustment leg 4 is caused by the rotation of the eccentric 7.

Abstract

PCT No. PCT/DE89/00658 Sec. 371 Date May 13, 1991 Sec. 102(e) Date May 13, 1991 PCT Filed Oct. 18, 1989 PCT Pub. No. WO90/05225 PCT Pub. Date May 17, 1990.A clamp for connecting a pair of formwork panels which are to be disposed side-by-side in a common plane has two clamping members. Each of the clamping members includes a clamping arm for urging the panels together and an adjusting arm which is approximately perpendicular to the respective clamping arm. The clamping members are pivotally mounted on a U-shaped support and the adjusting arms are disposed internally of the support with their free ends overlapping. The clamping arms project from the support and are located on the same side of the latter as the transverse web bridging the legs of the support. The legs are provided with registering openings which are elongated transversely of the adjusting arms. A pivot extends through the overlapping ends of the adjusting arms and into the openings. The pivot is guided by the openings for movement transversely of the adjusting arms and carries an eccentric disc which is arranged to bear against the transverse web of the support. An actuating lever for the clamping members is integral with the disc and projects from the support approximately perpendicular to the clamping arms.

Description

Die Erfindung betrifft eine Klammer zum Verbinden von in einer Ebene nebeneinander angeordneten Schaltafeln, die umlaufende Randprofile, insbesondere Hohlprofile haben, mit zwei gegen die voneinander abgewandten Längsflächen der aneinander liegenden Randprofile schwenkbaren und diese zusammendrückenden Spannbacken und einem Betatigungs­element für die Verschwenkung dieser Spannbacken, wobei die beiden Spannbacken jeweils an ihrem von ihrer Klemm­stelle abgewandten Ende einen im Winkel zu ihnen stehen­den Verstell-Schenkel aufweisen, diese Verstell-Schenkel der beiden Spannbacken aufeinander zu gerichtet sind und beide Spannbacken etwa im Eckbereich ihrer beiden Ver­stellschenkel an einem Träger schwenkbar gelagert sind.The invention relates to a clamp for connecting formwork panels arranged side by side in one plane, which have circumferential edge profiles, in particular hollow profiles, with two clamping jaws pivotable against the mutually facing longitudinal surfaces of the adjacent edge profiles and compressing them, and an actuating element for pivoting these clamping jaws, the each of the two clamping jaws at their end facing away from their clamping point has an adjusting leg at an angle to them, these adjusting legs of the two clamping jaws are directed towards one another and both clamping jaws are pivotably mounted on a support approximately in the corner region of their two adjusting legs.

Derartige Klammern zum Verbinden insbesondere großflächi­ger Schaltafeln sind in unterschiedlichen Ausführungs­formen bekannt. Die DE-PS 27 59 966 zeigt dabei eine Klammer, bei welcher die Klemmschenkel nicht schwenkbar, sondern durch einen die Verstellschenkel gemeinsam durch­setzenden Teil gegeneinander gezogen und verspannt werden können.Such clips for connecting, in particular, large-area formwork panels are known in different embodiments. DE-PS 27 59 966 shows a clamp in which the clamping legs cannot be pivoted, but can be pulled against one another and braced by a part which passes through the adjusting legs together.

Aus der EP-OS 0 201 887 ist eine Klammer der eingangs er­ wähnten Art bekannt, bei welcher die beiden Spannbacken ein gemeinsames Gelenk haben und die beiden Verstellschenkel durch eine sie durchsetzende Schraube relativ zueinander verschwenkbar sind. Dabei ist das Gelenk in einer Ecke am Übergang einer Spannbacke zu ihrem Verstellschenkel ange­ordnet, so daß die beiden Spannbacken beim Verstellen an unterschiedlichen Hebelarmen beaufschlagt werden und nicht sichergestellt ist, daß eine gleichmäßige Kraftübertragung erfolgt, die zum Ausrichten der beiden zu verbindenden Rand­profile ausgenutzt werden kann. Zwar zeigt diese Vorver­öffentlichung auch noch eine Lösung mit symmetrisch ange­ordneten, jeweils ein eigenes Schwenkgelenk aufweisenden Klemmbacken, jedoch ist dabei die Verstellung über eine durch eine Schraube verstellbare Mutter vorgesehen, was neben der unerwünschten Verwendung eines Gewindes im Be­reich der Betonierarbeiten auch zu Reibungen und Verschleiß an den Verstellschenkeln und außerdem zu einem erhöhten Her­stellungsaufwand bei der Montage führt. Darüberhinaus be­deutet die Verwendung eines Gewindes zum Verstellen der Klemmschenkel einen höheren Zeitaufwand, bis ein genügend großer Verstellweg und eine genügend große Klemmkraft er­zeugt sind.From EP-OS 0 201 887 is a bracket of the beginning mentioned type known, in which the two jaws have a common joint and the two adjustment legs are pivotable relative to each other by a screw passing through them. The joint is arranged in a corner at the transition of a clamping jaw to its adjusting leg, so that the two clamping jaws are acted upon when adjusting on different lever arms and it is not ensured that a uniform force transmission takes place, which can be used to align the two edge profiles to be connected . Although this previous publication also shows a solution with symmetrically arranged clamping jaws, each with its own swivel joint, the adjustment via a screw-adjustable nut is provided, which in addition to the undesired use of a thread in the area of the concrete work also leads to friction and wear the adjustment legs and also leads to increased manufacturing costs during assembly. In addition, the use of a thread for adjusting the clamping legs means a higher expenditure of time until a sufficiently large adjustment path and a sufficiently large clamping force are generated.

Es besteht deshalb die Aufgabe, eine Klammer der eingangs erwähnten Art zu schaffen, die einfach im Aufbau ist, gleichzeitig beim Verbinden der Schaltafeln deren Ausrich­ten ermöglicht und sehr schnell in Gebrauchslage gebracht, aber auch wieder entfernt werden kann. Dennoch sollen die Klemmkräfte und vor allem die Verstellbewegungen möglichst gleichmäßig an beiden Spannbacken etwa symmetrisch zu der Trennfuge zwischen den beiden Schaltafeln aufgebracht wer­den können.It is therefore the task of creating a clip of the type mentioned at the outset which is simple in construction, at the same time enables alignment when connecting the formwork panels and can be brought into the position of use very quickly, but can also be removed again. Nevertheless, the clamping forces and above all the adjustment movements should be able to be applied as evenly as possible on both clamping jaws, approximately symmetrically to the parting line between the two formwork panels.

Die Lösung dieser Aufgabe besteht darin, daß sich die Enden der beiden Verstellschenkel überlappen und daß im Bereich der Überlappung der beiden Verstellschenkel an beiden ge­meinsam ein Exzenter angreift, dessen Dreh- oder Schwenkla­gerung senkrecht zur Schalhaut verschiebbar ist. Wird der gemeinsame Ex­zenter verdreht, werden also die Verstellschenkel ver­schwenkt und gleichzeitig in Richtung des Langloches, also senkrecht zur Schalhaut eine entsprechende Reaktionskraft aufgebracht, so daß der Träger gleichzeitig gegen die Außen­seiten der Randprofile gedrückt wird und diese gegenseitig ausrichten kann. Dabei genügt in vorteilhafter Weise eine einzige Drehbewegung des Exzenters, um sofort die gewünschte Verspannung oder umgekehrt die gewünschte Lösebewegung durch­zuführen. Dies geschieht am zweckmäßigsten dadurch, daß der Exzenter mit einem Betätigungshebel, vorzugsweise einstückig, verbunden ist. Eine verdrehbare Spindel mit entsprechender Drehlagerung und verstellbarer Mutter od. dgl. aufwendige Maschinenteile werden auf einfache Weise vermieden.The solution to this problem is that the ends of the two adjustment legs overlap and that in the area the overlap of the two adjustment legs on both jointly acts on an eccentric, the rotary or pivot bearing of which can be displaced perpendicular to the formlining. If the common eccentric is rotated, the adjustment legs are pivoted and, at the same time, a corresponding reaction force is applied in the direction of the elongated hole, that is to say perpendicular to the formlining, so that the carrier is simultaneously pressed against the outer sides of the edge profiles and can align them mutually. In this case, a single rotary movement of the eccentric is advantageously sufficient to immediately carry out the desired tensioning or vice versa the desired release movement. This is most conveniently done in that the eccentric is connected to an actuating lever, preferably in one piece. A rotatable spindle with a corresponding rotary bearing and an adjustable nut or the like. Elaborate machine parts are avoided in a simple manner.

Für die gewünschte Ausrichtung der beiden Schaltafeln ist es vorteilhaft, wenn der Träger zur Aufnahme der Verstell- oder Schwenk-Schenkel und der Gelenke sowie des Exzenters eine den zu verspannenden Profilen zugewandte Anschlagfläche auf­weist, die parallel zur Schalhaut und zu den der Schalhaut abgewandten Stegen der Hohlprofile verläuft. Dabei ist es besonders günstig, wenn dieser die Lager oder Gelenke der Spannbacken aufnehmende Querträger einen U-förmigen Quer­schnitt hat, wobei der U-Quersteg den zu verbindenden und auszurichtenden Randprofilen zugewandt ist und die Anschlag- und Ausrichtfläche bildet. Die U-Form hat dabei den Vorteil, daß die Verstell-Schenkel in dem inneren dieses Querträgers angeordnet und ihre Schwenkgelenke an den beiden U-Schenkeln, also beidseits, gelagert werden können. Außerdem ergibt sich dadurch eine gute Steifigkeit und Festigkeit dieses Trägers, der die dreifache Funktion erfüllt, die Schwenklager für die Klemmbacken und Verstellschenkel aufzunehmen, die Exzenter­ lagerung in einem Langloch zu ermöglichen und eine Ausricht­fläche für die Randprofile zu bilden.For the desired alignment of the two formwork panels, it is advantageous if the support for receiving the adjustment or swivel legs and the joints and the eccentric has a stop surface facing the profiles to be braced, which is parallel to the formlining and to the webs facing away from the formwork Hollow profiles runs. It is particularly expedient if the cross member receiving the bearings or joints of the clamping jaws has a U-shaped cross section, the U cross bar facing the edge profiles to be connected and aligned and forming the stop and alignment surface. The U-shape has the advantage that the adjustment legs can be arranged in the interior of this cross member and their swivel joints can be supported on the two U-legs, ie on both sides. In addition, this results in a good rigidity and strength of this support, which has the triple function of accommodating the pivot bearings for the clamping jaws and adjusting legs, the eccentrics to allow storage in an elongated hole and to form an alignment surface for the edge profiles.

Ausgestaltungen der Erfindung sind Gegenstand weiterer An­sprüche.Embodiments of the invention are the subject of further claims.

Vor allem die Kombination einzelner oder mehrerer der vorbe­schriebenen und der in den weiteren Ansprüchen enthaltenen Merkmale und Maßnahmen ergibt eine Exzenter-Klammer, bei welcher die Exzentrizität einer einzigen Exzenterscheibe dazu ausgenutzt wird, zwei jeweils getrennt schwenkbar ge­lagerte Klemmbacken gleichzeitig und gleichmäßig mit einer einzigen Drehbewegung des Exzenters verschwenken zu können, ohne daß aufwendige Schraubverbindungen notwendig sind. Da­bei ist weiterhin vorteilhaft, daß die bei der Verschwenkung in Klemmstellung an der Exzenterlagerung auftretende Reak­tionskraft zum Ausrichten der Schaltafeln ausgenutzt werden kann.Above all, the combination of one or more of the features and measures described above and those contained in the further claims results in an eccentric clamp, in which the eccentricity of a single eccentric disc is used to simultaneously and uniformly pivot two separately mounted clamping jaws with a single rotary movement of the To be able to pivot the eccentric without the need for complex screw connections. It is also advantageous that the reaction force occurring when pivoting in the clamping position on the eccentric bearing can be used to align the formwork panels.

Nachstehend ist die Erfindung mit ihren ihr als wesentlich zugehörenden Einzelheiten anhand der Zeichnung in einem Aus­führungsbeispiel noch näher beschrieben. Es zeigt in etwas schematisierter Darstellung:

  • Fig. 1 eine Draufsicht einer erfindungsgemäßen Klammer in geöffneter Position, jedoch vorbereitet zum Ver­spannen zweier aneinander liegender hohler Randpro­file zweier nicht näher dargestellter, in einer ge­meinsamen Ebene liegender Schaltafeln,
  • Fig. 2 eine der Fig. 1 entsprechende Darstellung nach dem Schließen und Verspannen der Klammer und
  • Fig. 3 eine Rückansicht der Klammer gemäß dem Pfeil A in Fig. 2.
The invention is described in greater detail below with its details that are essential to it, using the drawing in an exemplary embodiment. It shows in a somewhat schematic representation:
  • 1 is a plan view of a clip according to the invention in the open position, but prepared for bracing two adjacent hollow edge profiles of two formwork panels, not shown, located in a common plane,
  • Fig. 2 is a representation corresponding to Fig. 1 after closing and tensioning the clip and
  • 3 shows a rear view of the clip according to arrow A in FIG. 2.

Eine im Ganzen mit 1 bezeichnete Klammer dient zum Verbinden von in einer Ebene nebeneinander angeordneten Schaltafeln, die umlaufende Randprofile 2, im Ausführungsbeispiel Hohl­profile haben, wobei in den Figuren 1 und 2 nur diese Hohl­profile 2 ohne die daran anzubringenden Schalhäute darge­stellt sind.A bracket designated as a whole by 1 is used to connect formwork panels arranged next to one another in one plane, which have circumferential edge profiles 2, in the exemplary embodiment hollow profiles, wherein only these hollow profiles 2 are shown in FIGS. 1 and 2 without the formwork skins to be attached to them.

Die Klammer 1 hat jeweils zwei gegen die voneinander abge­wandten Längsflächen 2a der aneinander liegenden Randpro­file 2 schwenkbare und diese zusammendrückende Spannbacken 3 und ein noch zu beschreibendes Betätigungselement für diese Verschwenkung der Spannbacken 3. Die beiden Spann­backen 3 haben jeweils an ihrem von ihrer Klemmstelle 3a abgewandten Ende einen im Winkel zu ihnen stehenden Ver­stell-Schenkel 4, wobei die Verstell-Schenkel 4 der beiden Spannbacken 3 aufeinander zugerichtet sind. Beide Spann­backen 3 sind etwa im Eckbereich am Übergang zu ihren Schen­keln 4 an einem gemeinsamen Träger 5 schwenkbar gelagert. Die Schwenkgelenke 6 erkennt man vor allem gut in den Fig. 1 und 2.The clamp 1 has two swiveling and compressing clamping jaws 3 against the longitudinal surfaces 2a of the adjoining edge profiles 2, and an actuating element to be described for this pivoting of the clamping jaws 3. The two clamping jaws 3 each have at their end facing away from their clamping point 3a an adjusting leg 4 at an angle to them, the adjusting legs 4 of the two clamping jaws 3 facing each other. Both jaws 3 are pivotally mounted on a common support 5 approximately in the corner area at the transition to their legs 4. The swivel joints 6 can be seen particularly well in FIGS. 1 and 2.

Anhand der Fig. 3 wird deutlich, daß sich die Enden der beiden Verstell-Schenkel 4 überlappen, wobei diese Schenkel 4 jeweils aus übereinander liegenden Flachelementen 4a ge­bildet sind, die in- und übereinander greifen können. Im Bereich der Überlappung der beiden Verstell-Schenkel 4 greift an beiden gemeinsam ein Exzenter 7 mit Hilfe seines Drehzapfens 7a an, der in einem senkrecht zur nicht näher dargestellten Schalhaut angeordneten Langloch 8 des Trägers 5 verschiebbar ist. Die eigentliche Exzenterscheibe 7 stützt sich bei ihrer Verdrehung an dem Träger 5 und dabei an einem noch zu beschreibenden Quersteg 5a ab.3 that the ends of the two adjustment legs 4 overlap, these legs 4 each being formed from superimposed flat elements 4a which can engage in and over one another. In the area of the overlap of the two adjustment legs 4, an eccentric 7 acts on both together with the aid of its pivot 7a, which is displaceable in an elongated hole 8 of the carrier 5 arranged perpendicular to the formlining (not shown in any more detail). The actual eccentric disc 7 is supported when it rotates on the carrier 5 and thereby on a crosspiece 5a to be described.

Die Spannbacken 3 und ihre Verstell-Schenkel 4 sind jeweils etwa rechtwinklig zueinander angeordnet und die Verstell-­Schenkel 4 sind dabei etwa in der Erstreckungsrichtung des Trägers 5 orientiert. Der zur Aufnahme der Verstell- oder Schwenk-Schenkel 4 und der Gelenke 6 sowie des Exzenters 7 dienende Träger 5 weist eine den zu verspannenden Profilen 2 zugewandte Anschlagfläche 9 auf, die parallel zur Schal­haut und zu den der Schalhaut abgewandten Stegen 2b der Hohlprofile 2 verläuft und im Ausführungsbeispiel an der Außenseite des Quersteges 5a angeordnet ist.The clamping jaws 3 and their adjusting legs 4 are each arranged approximately at right angles to one another and the adjusting legs 4 are approximately in the direction of extension of the Carrier 5 oriented. The support 5 for receiving the adjustment or swivel legs 4 and the joints 6 and the eccentric 7 has a stop surface 9 facing the profiles 2 to be tensioned, which runs parallel to the formlining and to the webs 2b of the hollow profiles 2 facing away from the formwork facing and is arranged in the embodiment on the outside of the crossbar 5a.

Zur Bildung der Klemmstellen 3a haben die Spannbacken 3 Vorsprünge, die in entsprechende Einsenkungen 10 der Hohl­profile 2 passen, wobei diese Vorsprünge und die Einsen­kungen 10 in an sich bekannter Weise Schrägflächen zum An­ziehen der Anschlagfläche 9 des Querträgers 5 bzw. seines Quersteges 5a gegen die Hohlprofile 2 haben. Das Verspannen der Klammer 1 bewirkt also in vorteilhafter Weise auch ein genaues Ausrichten der Randstege oder Randträger 2 der zu verbindenden Schaltafeln und damit von deren Schalhäuten.To form the clamping points 3a, the clamping jaws 3 have projections which fit into corresponding depressions 10 of the hollow profiles 2, these projections and the depressions 10 in a manner known per se for inclined surfaces for tightening the stop surface 9 of the cross member 5 or its crossbar 5a against the hollow profiles Have 2. The bracing of the clamp 1 thus advantageously also precisely aligns the edge webs or edge supports 2 of the formwork panels to be connected and thus of their formlining.

Der die Schwenklager 6 der Spannbacken 3 aufnehmende Quer­träger 5 hat gemäß Fig. 3 einen U-förmigen Querschnitt, wobei der U-Quersteg 5a den zu verbindenden Randprofilen 2 zugewandt ist und die Anschlag- und Ausrichtfläche 5 bildet bzw. aufweist.3 has a U-shaped cross-section, the U-crosspiece 5a facing the edge profiles 2 to be connected and forming or having the stop and alignment surface 5.

In allen 3 Figuren erkennt man, daß der Exzenter 7 mit ei- nem Betätigungshebel 11 - im Ausführungsbeispiel einstückig - verbunden ist, so daß die Bedienung der gesamten Klammer sehr einfach durch die Verschwenkung dieses Betätigungs­hebels 11 aus der in Fig. 1 erkennbaren in die in Fig. 2 dargestellte Lage möglich ist.It can be seen in all 3 figures that the eccentric 7 is connected to an actuating lever 11 - in one piece in the exemplary embodiment - so that the entire clamp can be operated very simply by pivoting this actuating lever 11 from the one shown in FIG Fig. 2 shown position is possible.

Dieser an der Exzenterscheibe 7 angeordnete Betätigungs­hebel 11 befindet sich bei geöffneten Spannbacken 3 (Fig. 1) etwa parallel zu der Schalhaut und etwa rechtwinklig zu den Spannbacken 3, während der Bereich der größten Exzentrizi­tät der Exzenterscheibe 7 auf einer etwa rechtwinklig zu dem Betätigungshebel 11 verlaufenden Linie und dabei unge­fähr auch in Orientierungsrichtung des Langloches 8 ange­ordnet ist.This actuating lever 11 arranged on the eccentric disk 7 is located approximately parallel to the formwork skin and approximately at right angles to the clamping jaws 3 when the clamping jaws 3 are open (FIG. 1), while the area of greatest eccentricity of the eccentric disk 7 is approximately at a right angle the actuating lever 11 extending line and is arranged approximately in the direction of orientation of the elongated hole 8.

Die Länge des Langloches 8 für den Lagerstift 7a des Ex­zenters 7 entspricht dabei wenigstens der größten Exzen­trizität des Exzenters 7, damit die bei der Verdrehung der Exzenterscheibe 7 erzwungene Verschiebung ihres Lager­stiftes 7a und damit die Verschwenkung der Verstellschenkel und der Klemmbacken 3 ungestört erfolgen kann. Dabei sind die Exzentrizität der Exzenterscheibe 7 und die Länge des Langloches 8 für den Schwenkstift 7a des Exzenters 7 so groß bemessen, daß die beiden Verstellschenkel 4 der Spann­backen 3 in Schließstellung (Fig. 2) einen stumpfen Winkel mit ihrer der Schalhaut zugewandten Seite miteinander bil­den, während in Öffnungsstellung ein solcher stumpfer Win­kel gerade nach der anderen Seite gebildet ist, so daß also beim Verspannen ein Totpunkt überwunden und eine Selbstsicherung der Schließstellung erzielt wird.The length of the elongated hole 8 for the bearing pin 7a of the eccentric 7 corresponds at least to the greatest eccentricity of the eccentric 7, so that the displacement of its bearing pin 7a, which is forced when the eccentric disk 7 is rotated, and thus the pivoting of the adjustment limbs and the clamping jaws 3 can take place undisturbed. The eccentricity of the eccentric 7 and the length of the elongated hole 8 for the pivot pin 7a of the eccentric 7 are dimensioned so large that the two adjustment legs 4 of the jaws 3 in the closed position (FIG. 2) form an obtuse angle with their side facing the formlining , while in the open position such an obtuse angle is formed on the other side, so that a dead center is overcome when tensioning and self-locking of the closed position is achieved.

Bei sehr genauem symmetrischem Kraftangriff, der die beiden Randprofile 2 nicht nur zusammendrückt, sondern auch aus­richtet, wird dennoch die gesamte Bedienung sowohl beim Fixieren als auch beim Lösen der Klammer sehr einfach und vor allem schnell durchgeführt.With a very precise symmetrical application of force, which not only compresses the two edge profiles 2, but also aligns them, the entire operation is nevertheless carried out very easily and, above all, quickly, both when fixing and when releasing the clamp.

Ein weiterer Vorteil der erfindungsgemäßen Ausbildung und Anordnung der Klammer 1 sowie ihrer Gelenke 6 und des Ex­zenter-Lagerstiftes 7, der in der Mitte zwischen den bei­den Gelenken 6 parallel zu diesen angeordnet ist und ver­schiebbar ist, besteht noch darin, daß der Schwenkweg des Exzenterhebels in einem von der Schalung und den Randstegen 2 abgewandten Kreissegment-Bereich und dabei einer senk­recht zur Schalung verlaufenden Ebene liegt, so daß diese Bewegung des Exzenterhebels 11 sehr bequem und ohne Behin­derung durch die Schalung erfolgt und zwar sowohl beim Schließen als auch beim Öffnen der Klammer 1.Another advantage of the inventive design and arrangement of the bracket 1 and its joints 6 and the eccentric bearing pin 7, which is arranged in the middle between the two joints 6 parallel to them and is displaceable, is that the pivoting path of the eccentric lever in a circular segment area facing away from the formwork and the edge webs 2 and thereby a plane running perpendicular to the formwork, so that this movement of the eccentric lever 11 takes place very comfortably and without hindrance by the formwork, both when closing and when opening the clamp 1 .

Es sei noch erwähnt, daß der Schwenkstift 7a des Exzenters 7 nicht unbedingt in einem Langloch 8 geführt sein muß, sondern bereits durch die Befestigung an den beiden Ver­stellschenkeln 4 in deren Überlappungsbereich genügend genau quer zur Richtung der Schalhaut geführt wird. Wichtig ist nur, daß der Exzenter 7 mit seinem Drehzapfen 7a oder dergleichen Achse im Bereich der Überlappung an beiden Verstellschenkeln 4 angreift und sein Außenumfang an der den Hohlprofilen 2 abgewandten Seite des Quersteges 5a des Trägers 5 anliegt. Durch den zunehmenden Abstand des Außenumfanges des Exzenters 7 von seinem Drehzapfen 7a wird so durch die Verdrehung des Exzenters 7 die Ver­schiebung des Drehzapfens 7a relativ zu dem Quersteg 5a und damit die Verschwenkung der Verstell-Schenkel 4 bewirkt.It should also be mentioned that the pivot pin 7a of the eccentric 7 does not necessarily have to be guided in an elongated hole 8, but is already guided sufficiently precisely transversely to the direction of the formlining by the attachment to the two adjusting legs 4 in their overlap region. It is only important that the eccentric 7 engages with its pivot 7a or the like axis in the area of the overlap on both adjustment legs 4 and that its outer circumference rests on the side of the crossbar 5a of the carrier 5 facing away from the hollow profiles 2. Due to the increasing distance of the outer circumference of the eccentric 7 from its pivot 7a, the rotation of the pivot 7a relative to the transverse web 5a and thus the pivoting of the adjustment leg 4 is caused by the rotation of the eccentric 7.

Claims (11)

1. Klammer (1) zum Verbinden von in einer Ebene neben­einander angeordneten Schaltafeln, die umlaufende Rand­profile (2), insbesondere Hohlprofile od. dgl. haben, mit zwei gegen die voneinander abgewandten Längsflächen (2a) der aneinanderliegenden Randprofile (2) schwenk­baren und diese zusammendrückenden Spannbacken (3) und einem Betätigungselement für die Verschwenkung dieser Spannbacken (3), wobei die beiden Spannbacken (3) je­weils an ihrem von ihrer Klemmstelle (3a) abgewandten Ende einen im Winkel zu ihnen stehenden Verstell-Schen­kel (4) aufweisen, diese Verstell-Schenkel (4) der bei­den Spannbacken (3) aufeinander zu gerichtet sind und beide Spannbacken (3) etwa im Eckbereich ihrer beiden Schenkel (4) an einem Träger (5) schwenkbar gelagert sind, dadurch gekennzeichnet, daß sich die Enden der beiden Verstell-Schenkel (4) über­lappen und daß im Bereich der Überlappung der beiden Verstellschenkel (4) an beiden gemeinsam ein Exzenter (7) angreift, dessen Dreh- oder Schwenklagerung (7a) senkrecht zur Schalhaut verschiebbar ist.1.clamp (1) for connecting formwork panels arranged side by side in one plane, which have peripheral edge profiles (2), in particular hollow profiles or the like, with two pivotable against the longitudinal surfaces (2a) of the adjacent edge profiles (2) facing away from one another and these compressing clamping jaws (3) and an actuating element for pivoting these clamping jaws (3), the two clamping jaws (3) each having an angle leg (4) at an angle to them at their end facing away from their clamping point (3a) Adjusting legs (4) of the two clamping jaws (3) are directed towards each other and both clamping jaws (3) are pivotably mounted on a support (5) approximately in the corner region of their two legs (4), characterized in that the ends of the two Adjustment legs (4) overlap and that in the area of overlap of the two adjustment legs (4) an eccentric (7) acts on both of them, its pivot or pivot bearing ung (7a) can be moved perpendicular to the formlining. 2. Klammer nach Anspruch 1, dadurch gekennzeichnet, daß die Verstell-Schenkel jeweils aus zwei übereinander liegenden Flachelementen (4a) bestehen, die sich im Überlappungsbereich jeweils über- und untergreifen.2. Clamp according to claim 1, characterized in that the adjustment legs each consist of two superimposed flat elements (4a), which overlap and underlap in the overlap area. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekenn­zeichnet, daß die Spannbacken (3) und ihre Verstell-­Schenkel (4) etwa rechtwinklig zueinander angeordnet sind und die Verstell-Schenkel (4) etwa in der Erstrek­kungsrichtung des Trägers (5) orientiert sind.3. Apparatus according to claim 1 or 2, characterized in that the clamping jaws (3) and their adjusting legs (4) are arranged approximately at right angles to one another and the adjusting legs (4) are oriented approximately in the direction of extent of the carrier (5) . 4. Klammer nach einem der Ansprüche 1 bis 3, dadurch ge­kennzeichnet, daß der zur Aufnahme der Verstell- oder Schwenkschenkel (4) und der Gelenke (6) sowie des Ex­zenters (7) dienende Träger (5) eine den zu verspannen­den Profilen (2) zugewandte Anschlagfläche (9) aufweist, die parallel zur Schalhaut und zu den der Schalhaut ab­gewandten Stegen (2b) der Hohlprofile (2) verläuft und insbesondere an der Außenseite eines Quersteges (5a) angeordnet ist.4. Clamp according to one of claims 1 to 3, characterized in that the for receiving the adjusting or pivoting legs (4) and the joints (6) and the eccentric (7) serving carrier (5) one of the profiles to be braced (2nd ) has facing stop surface (9), which runs parallel to the formlining and to the webs (2b) facing away from the formwork, of the hollow profiles (2) and is arranged in particular on the outside of a transverse web (5a). 5. Klammer nach einem der Ansprüche 1 bis 4, dadurch ge­kennzeichnet, daß die Spannbacken (3) Vorsprünge auf­weisen, die in entsprechende Einsenkungen (10) der Hohlprofile (2) passen und daß diese Vorsprünge und die Einsenkungen (10) vorzugsweise Schrägflächen zum An­ziehen der Anschlagfläche (9) des Querträgers (5) der Klammer gegen die Hohlprofile (2) haben.5. Clamp according to one of claims 1 to 4, characterized in that the clamping jaws (3) have projections which fit into corresponding depressions (10) of the hollow profiles (2) and that these projections and the depressions (10) are preferably inclined surfaces for tightening the stop surface (9) of the cross member (5) of the clip against the hollow profiles (2). 6. Klammer nach einem der Ansprüche 1 bis 5, dadurch ge­kennzeichnet, daß der die Schwenklager (6) der Spann­backen (3) aufnehmende Querträger (5) einen U-förmigen Querschnitt hat, wobei der U-Quersteg (5a) den zu ver­bindenden Randprofilen (2) zugewandt ist und die An­schlag- und Ausrichtfläche (5a) bildet.6. Clamp according to one of claims 1 to 5, characterized in that the pivot bearing (6) of the clamping jaws (3) receiving the cross member (5) has a U-shaped cross section, the U-cross bar (5a) the edge profiles to be connected (2) faces and forms the stop and alignment surface (5a). 7. Klammer nach einem der Ansprüche 1 bis 6, dadurch ge­kennzeichnet, daß der Exzenter (7) mit einem Betätigungs­hebel (11), vorzugsweise einstückig, verbunden ist.7. Clip according to one of claims 1 to 6, characterized in that the eccentric (7) with an actuating lever (11), preferably in one piece, is connected. 8. Klammer nach einem der Ansprüche 1 bis 7, dadurch ge­kennzeichnet, daß der an der Exzenterscheibe (7) ange­ordnete Betätigungshebel (11) bei geöffneten Spannbacken (3) etwa parallel zu der Schalhaut und etwa rechtwinklig zu den Spannbacken (3) angeordnet ist und daß der Be­reich der größten Exzentrizität der Exzenterscheibe (7) auf einer etwa rechtwinklig zu dem Betätigungshebel (11) verlaufenden Linie angeordnet ist.8. Clamp according to one of claims 1 to 7, characterized in that the actuating lever (11) arranged on the eccentric disc (7) is arranged approximately parallel to the formlining and approximately at right angles to the clamping jaws (3) when the clamping jaws (3) are open and that the area of greatest eccentricity of the eccentric disc (7) is arranged on a line running approximately at right angles to the actuating lever (11). 9. Klammer nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Dreh- und Schwenklagerung (7a) in einem in dem Träger (5) angeordneten Langloch (8) geführt ist und die Länge des Langloches (8) für den Lagerstift (7a) od.dgl. des Exzenters (7) vorzugsweise wenigstens der größten Exzentrizität des Exzenters (7) entspricht.9. Clamp according to one of claims 1 to 8, characterized in that the rotary and pivot bearing (7a) is guided in a slot (8) arranged in the carrier (5) and the length of the slot (8) for the bearing pin ( 7a) or the like. of the eccentric (7) preferably corresponds to at least the greatest eccentricity of the eccentric (7). 10. Klammer nach einem der Ansprüche 1 bis 9, dadurch ge­kennzeichnet, daß die Exzentrizität der Exzenterscheibe (7) und die Länge des Langloches (8) für den Schwenk­stift (7a) des Exzenters (7) so groß sind, daß die bei­den Verstell-Schenkel (4) der Spannbacken (3) in Schließ­stellung einen stumpfen Winkel auf ihrer der Schalhaut zugewandten Seite miteinander bilden.10. Clamp according to one of claims 1 to 9, characterized in that the eccentricity of the eccentric disc (7) and the length of the elongated hole (8) for the pivot pin (7a) of the eccentric (7) are so large that the two adjustment Legs (4) of the clamping jaws (3) in the closed position form an obtuse angle with one another on their side facing the formlining. 11. Klammer nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Exzenter (7) mit seinem Drehzapfen (7a) oder dergleichen Achse im Bereich der Überlappung an beiden Verstell-Schenkeln (4) angreift und sein Außenumfang an der den Hohlprofilen (2) abgewandten Seite des Quersteges (5a) des Trägers (5) anliegt oder wirksam ist.11. Clamp according to one of the preceding claims, characterized in that the eccentric (7) engages with its pivot (7a) or the like axis in the region of the overlap on both adjusting legs (4) and its outer circumference on the hollow profiles (2) opposite side of the crossbar (5a) of the carrier (5) is present or is effective.
EP89119603A 1988-11-12 1989-10-23 Clamp for connecting form work panels together Expired - Lifetime EP0369197B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89119603T ATE69634T1 (en) 1988-11-12 1989-10-23 CLIP FOR CONNECTING PANELS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8814208U DE8814208U1 (en) 1988-11-12 1988-11-12
DE8814208U 1988-11-12

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EP0369197A1 true EP0369197A1 (en) 1990-05-23
EP0369197B1 EP0369197B1 (en) 1991-11-21

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EP (1) EP0369197B1 (en)
JP (1) JPH0656055B2 (en)
KR (1) KR950008100B1 (en)
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AT (1) ATE69634T1 (en)
AU (1) AU631148B2 (en)
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DE (2) DE8814208U1 (en)
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ES (1) ES2019058T3 (en)
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ES2046935A2 (en) * 1991-08-30 1994-02-01 Encofrados J Alsina Sa Device for connecting shutter panels
EP0565476A1 (en) * 1992-04-09 1993-10-13 Ulma, S.Coop. Ltda. Framework joining cramp for modular shuttering
EP0674068A1 (en) * 1994-01-22 1995-09-27 PASCHAL-WERK G. MAIER GmbH Clamps for connecting form elements clamping arms engaging the border sections
US5570500A (en) * 1994-01-22 1996-11-05 Paschal-Werk G. Maier Gmbh Clamp for connecting form panels with clamping jaws urging sections of panels together at their edges
TR28908A (en) * 1994-01-22 1997-08-04 Maier G Paschal Werk Clamping gripper clamping the edge profiles for connecting casting molds.
WO2002090687A1 (en) * 2001-04-24 2002-11-14 Boris Sakharov Concrete form frame and concrete form panel made using said concrete form frame
KR100602910B1 (en) * 2006-02-08 2006-07-20 (주)휴먼텍코리아건축사사무소 A cast clamp using architecture
EP1842985A2 (en) * 2006-04-04 2007-10-10 PPS Dietle International GmbH Connecting device for connecting two formwork elements
DE102006016879A1 (en) * 2006-04-04 2007-10-18 Pps Dietle International Gmbh Connecting device for connecting two circuit elements
DE102006016879A8 (en) * 2006-04-04 2008-01-17 Pps Dietle International Gmbh Connecting device for connecting two formwork elements
DE102006016879B4 (en) * 2006-04-04 2009-04-09 Pps Dietle International Gmbh Connecting device for connecting two formwork elements
EP1842985A3 (en) * 2006-04-04 2009-12-09 PPS Dietle International GmbH Connecting device for connecting two formwork elements

Also Published As

Publication number Publication date
AU631148B2 (en) 1992-11-19
MY104473A (en) 1994-04-30
DE58900477D1 (en) 1992-01-02
EP0369197B1 (en) 1991-11-21
EG18762A (en) 1994-01-30
GR3003198T3 (en) 1993-02-17
CA2002724A1 (en) 1990-05-12
LV10753B (en) 1995-12-20
KR950008100B1 (en) 1995-07-25
CN1042751A (en) 1990-06-06
HU208351B (en) 1993-09-28
KR900702161A (en) 1990-12-06
PT9189T (en) 1996-01-31
HK81692A (en) 1992-10-30
MA21676A1 (en) 1990-07-01
NO911828D0 (en) 1991-05-10
JPH0656055B2 (en) 1994-07-27
LT3577B (en) 1995-12-27
NO178240C (en) 1996-02-14
NO911828L (en) 1991-05-10
DK87791D0 (en) 1991-05-10
ES2019058T3 (en) 1997-08-01
AU4416989A (en) 1990-05-28
JPH03503557A (en) 1991-08-08
ATE69634T1 (en) 1991-12-15
PT92273A (en) 1990-05-31
DK165016B (en) 1992-09-28
SG57492G (en) 1992-09-04
LTIP1439A (en) 1995-05-25
ES2019058A4 (en) 1991-06-01
IL92263A0 (en) 1990-07-26
DE8814208U1 (en) 1989-01-05
US5146816A (en) 1992-09-15
DK165016C (en) 1993-02-08
FI911018A0 (en) 1991-02-28
DK87791A (en) 1991-06-26
RU2042774C1 (en) 1995-08-27
HU896109D0 (en) 1992-04-28
HUT60356A (en) 1992-08-28
CN1019221B (en) 1992-11-25
IL92263A (en) 1991-06-10
LV10753A (en) 1995-08-20
NO178240B (en) 1995-11-06
WO1990005225A1 (en) 1990-05-17

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