EP2943628B1 - Verbindungseinrichtung für schaltafeln - Google Patents

Verbindungseinrichtung für schaltafeln Download PDF

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Publication number
EP2943628B1
EP2943628B1 EP14700082.2A EP14700082A EP2943628B1 EP 2943628 B1 EP2943628 B1 EP 2943628B1 EP 14700082 A EP14700082 A EP 14700082A EP 2943628 B1 EP2943628 B1 EP 2943628B1
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EP
European Patent Office
Prior art keywords
connecting device
claw
wedge
pivotable claw
clamping means
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
EP14700082.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2943628A1 (de
Inventor
Georg GRZONDZIEL
Mike BERWIG
Volker KLEHR
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.)
Huennebeck Deutschland GmbH
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Huennebeck 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 Huennebeck GmbH filed Critical Huennebeck GmbH
Priority to PL14700082T priority Critical patent/PL2943628T3/pl
Publication of EP2943628A1 publication Critical patent/EP2943628A1/de
Application granted granted Critical
Publication of EP2943628B1 publication Critical patent/EP2943628B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
    • 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
    • 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
    • E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements

Definitions

  • the invention relates to a connecting device according to claim 1 for formwork panels for the manufacture of concrete structures.
  • the invention further relates to a system according to claim 14 comprising the connecting device and two formwork panels.
  • a formwork panel on the front of a formwork and on the back of the formwork supporting elements such as side members, crossbar and frame. Supporting elements are usually made of metal.
  • the formlining is usually made of wood, a wooden material and / or plastic. From a plurality of formwork panels formworks are formed for the production of walls, ceilings or the like.
  • a formwork in the context of the present invention is used in formwork technology for concreting reinforced concrete structures.
  • formwork panels are arranged side by side and / or one above the other and connected to one another with the aid of one or more connecting devices.
  • two side-by-side formwork panels are connected to one another by one or more connection devices in order to fix the position and arrangement of the formwork panels.
  • a connection device is from the document DE 103 30 462 A1 known as the "turnbuckle device”. This includes two mutually displaceable claws. A wedge or the like is provided to displace the two claws for connecting two formwork panels so that they support supporting elements of two formwork panels in their desired position.
  • the two sides of a wall to be concreted are bounded by facing formwork.
  • the front, ie the formwork, of each formwork then adjoins the concrete.
  • Yourself opposite formworks are usually held by a plurality of anchor systems, the anchor rods of an anchor system are inserted through openings in the formwork and secured at their ends to the respective formwork supporting elements so that at least the force acting on the anchor rods during concreting tensile force becomes.
  • the two ends of the anchor rods have threads on which nuts are screwed as Ankerfix isten.
  • the central region of an anchor rod, to which concrete can be adjacent during concreting basically either has a smooth surface or at least is enveloped by a sleeve with a smooth surface.
  • Spacers may be placed between the shell skins in the volume of the wall to be concreted, which can absorb the compressive forces created during concreting, thereby ensuring that these compressive forces do not undesirably affect the wall thickness, i. Reduce,
  • the locking devices can be attached to the formwork panels so that they are able to absorb pressure forces.
  • EP0953778A1 discloses a locking arrangement for concrete formwork with a nut assembly for quick assembly.
  • the publication DE8009687U1 describes a device for releasably connecting a carrier of a formwork element with a substantially horizontally and transversely to the support extending steel bar or the like with two interconnected pairs of retaining legs.
  • the publication DE10160482A1 shows a clamp coupling for particular scaffold tubes, which is formed of saddle piece halves, at the ends of each clamp halves are pivotally mounted on the linkages.
  • the publication DE10028556C1 discloses a clamp for connecting two adjacent formwork elements of a concrete formwork with two jaws, one of which is pivotally mounted on the other. Similar devices are further disclosed in the references BE1012700A3 . ES2292272A1 and AT407412B described. document AT 396381 B discloses a connection device having the features of the preamble of claim 1. It is an object of the invention to provide a connection device which simplifies the mounting and / or dismounting of formwork.
  • a connecting device comprises the features of claim 1.
  • the dependent claims relate to advantageous embodiments.
  • a connecting device for formwork panels with a formwork skin and the formwork supporting elements for the production of concrete structures wherein the connecting means comprises two claws and a tensioning means, in particular a wedge or a clamping screw to the two claws for connecting Move two formwork panels against each other so that the supporting elements are held by two formwork panels in their desired position.
  • the connecting device provides a pivotable claw which is such that the claw can be pivoted back and forth between an initial position and an end position, specifically around an axis of the connecting device.
  • the connecting device in the assembled state ensures that the supporting elements of two formwork panels in their The one claw then bears against a supporting element of the formwork panel and the other claw contacts a supporting element of the further formwork panel which is arranged above or next to it.
  • these supporting elements are frame elements of a formwork panel.
  • connection device By means of the connection device according to the invention with a pivotable claw, a particularly simple mounting of the formwork panels to a formwork and / or dismantling of a formwork is made possible. Furthermore, by providing a pivotable claw, a particularly compact connection device can be provided and / or a particularly large opening angle between the claws can be made possible.
  • the pivoting about a fixed axis of the connecting device reduces the degree of freedom and thus additionally facilitates the mounting and dismounting of the connecting device for the user.
  • Assembly and disassembly of the connecting device means mounting the shuttering panels to a formwork by means of the connecting device or removing the connecting device from a formwork.
  • a connecting device is provided with a middle position between a starting position and an end position, which are adopted by attachment to the supporting elements can.
  • the connecting device according to the invention By means of the connecting device according to the invention with central position and the thus reduced pivoting path into the end position, the user is enabled to mount and dismount the connecting device particularly quickly and easily. Furthermore, thanks to the invention, a reduced or shortened clamping means can be used for the connecting device.
  • an actuating means for pivoting the pivotable claw is provided in the middle position.
  • the actuating means according to the invention is designed as a projection on the pivotable claw, which can be actuated by attaching the connecting device to the supporting elements. By providing a projection can be achieved in a particularly simple manner that the connecting device can be brought into the middle position when attaching to the supporting elements without an additional step.
  • the projection of the pivotable claw is triangular in shape, preferably with a leg angle of 30 ° to 40 °, preferably 35 °, and / or has a rounded tip, preferably with a radius of 3 mm to 6 mm, preferably 4 mm to 5 mm, more preferably 4.5 mm.
  • Tip of the projection means the region of the outer contour of the projection, which comes when attaching the connecting means in the initial position to the supporting elements in first contact with the supporting elements.
  • the triangular shape of the projection and the rounded tip of the projection effect an advantageous force transmission of the supporting elements over the tip of the projection on the claw, whereby a particularly high stability, wear resistance and safe function of pivoting can be achieved.
  • the axis of the connecting device between the actuating means and a nose of the pivotable claw is arranged, which passes in the end position of the connecting device in a groove of a supporting element, for example in the German patent application with the application number 102012214396.3 known way.
  • the connecting device mounted very quickly and the clamping means are particularly short dimensions.
  • the actuating means is arranged so that the power arm is shorter than the load arm.
  • Kraftarm means the distance from the axis to the force line of the force, which is exerted by a supporting element when attaching to the connecting device in the starting position on the actuating means.
  • Load arm means the distance from the axis to the nose of the pivotable claw. Characterized in that the power arm is shorter than the load arm, a short movement of the actuating means when pivoting from the starting position to the center position cause a large movement of the nose of the pivotable claw. Because the attachment of the connecting device to the supporting elements pivoting the pivotable claw need not be generated by the clamping means, the clamping means can be made smaller and shorter.
  • a restoring means which presses a claw, in particular the pivotable claw, in the direction of the starting position.
  • a return means may in particular be a prestressed spring or torsion spring, which runs, for example, about the axis of the connection device, Disturbing movements of the claws during handling and during preparation can thus be avoided.
  • the clamps aim at the attachment and removal of the connecting means of the supporting elements to the starting position, so an open Pratzenauscardi. The handling, assembly and disassembly can be facilitated to a special degree for the user.
  • the connecting device is such that a translational movement of the clamping means a Pivoting the pivotable claw can cause, especially in the direction of end position and / or starting position.
  • the direction of movement of the clamping means is preferably oriented parallel to the grooves of the supporting elements or, parallel to the axis of the connecting device.
  • the translational movement direction of the clamping means parallel to the grooves in the supporting elements makes it possible to provide a connecting device with a particularly small space requirement.
  • the advantages of converting a translational movement into a pivoting movement by means of a wedge as a clamping device and pivotable claw include the possibility of using a hammer or similar tool for inserting the wedge and moving the connecting device into the end position and a particularly large self-locking in the end position.
  • a worm gear could be used in which a translational movement of a helical worm drives a rotationally movable gear, which could be firmly connected to the pivotable claw.
  • the disadvantages of this embodiment would be in the increased manufacturing cost, the lower self-locking of the transmission in the final position and the increased wear when using a hammer.
  • the pivotable claw has a lever arm which can be pivoted by inserting the clamping means for moving the claw to the end position, wherein preferably the axis of the connecting means between the lever arm and the nose of the pivotable claw is arranged.
  • the lever arm is designed such that the force arm of the lever arm relative to the interface of the Lever arm with the clamping means is longer than the power arm of the actuating element. This makes it possible that a force applied to the lever arm compared to the application of the same force on the actuating element can have a greater contact force of the pivotable claw on the supporting elements result. The user thus needs only apply a particularly small force to move the connecting device in the end position.
  • the pivotable claw is formed between the nose and the lever arm L-shaped, wherein the axis is preferably arranged in the deflection region of the L-shape. In the deflection area, the arms of an L-shape meet with different orientations. Due to the L-shaped configuration of the pivotable claw with arrangement of the axis in the deflection region, a particularly compact connecting device with a small pivoting radius and a small pivoting arc length can be provided.
  • the deflection region of the L-shaped pivotable claw is rounded. By rounding off in the deflection region, voltage peaks in the end position of the connection device can be reduced, thus providing a connection device with a particularly long service life.
  • a housing of the connecting device comprises a sliding bearing for the clamping means, in particular wedge.
  • the sliding bearing is arranged so that upon insertion of the clamping means in the connecting means, the clamping means between the lever arm of the pivotable claw and the sliding bearing of the housing is driven.
  • a particularly simple embodiment of such a sliding bearing can be realized by the provision of two bearing surfaces, which are arranged so that the interface of the clamping means is centered between the two bearing surfaces with the lever arm.
  • the housing of the connecting device comprises a guide for a translational movement of the clamping means, in particular wedge, preferably by means of two slots, failures, for example, by the slipping of the clamping means of the lever arm of the pivotable claw during assembly can be avoided.
  • a guide for a translational movement of the clamping means when inserted into the connecting device so that a particularly reliable functioning connection device can be provided,
  • Such a guide can be implemented by two slots in the housing with particularly low production costs.
  • the housing is made of formed sheet metal parts, in particular with an upper part for application to the supporting elements and forms a sliding bearing for the clamping means, in particular wedge, and a U-profile for suspending the axis and for introducing slots for guiding the clamping means.
  • the tensioning means in particular wedge, at least two sections with different pitch angles, wherein the first section with the smallest pitch angle is preferably arranged so that the first portion of the clamping means in the end position with the pivotable claw is engaged.
  • This embodiment is based on the finding that a small pitch angle causes a low gear ratio of the translational movement or feed force of the tensioning means, in particular wedge, in a pivoting or torque of the pivotable claw and a large pitch angle corresponding to a large transmission ratio.
  • a section with a large pitch angle is initially provided for a delivery of the claws, that is, pivoting of the claws in the vicinity of the end position.
  • a portion of the clamping means, in particular wedge, with a low pitch angle ensures that a particularly low force of the user is able to move the pivotable claw in the end position.
  • the first portion of the tensioning means in particular wedge, a pitch angle of preferably greater than 2 °, preferably greater than 4 °, most preferably greater than 6 ° and preferably less than 12 °, preferably less than 10 °, most preferably less than 8 °.
  • a second section for advancing the pivotable claw has a pitch angle of preferably greater than 15 °, preferably greater than 20 °, very particularly preferably greater than 25 ° and preferably less than 40 °, preferably less than 35 °, very particularly preferably less than 30 ° or preferably less than 60 ° , preferably less than 55 °, most preferably less than 50 °.
  • the clamping means in particular wedge, a recess for locking the clamping means with a fixed orientation in the initial position, in particular a U-shaped recess.
  • a recess for locking the clamping means with a fixed orientation in the initial position, in particular a U-shaped recess.
  • the U-shaped recess is adapted to the end of the lever arm of the pivotable claw, in particular by providing a clearance and / or chamfering the side walls of the U-shaped recess. In this way, a particularly reliable pure pivoting or insertion of the lever arm of the pivotable claw can be achieved in the recess.
  • the clamping means in particular wedge, at the end passed through the housing a bore for attaching a stop means, such as bolts or rivets, on and at the other end of the clamping means an expansion, in particular T-shaped.
  • a stop means such as bolts or rivets
  • the tensioning means can be held captive in the area guided by the housing in the connecting device with the aid of the fastening means fastened thereto, whereby a particularly reliably functioning connecting device can be provided.
  • the T-profile at the other end of the clamping means, in particular wedge the disassembly is simplified in that a stop surface for a hammer or similar tool for moving out of the clamping means is provided from the connecting device.
  • the expansion causes increased stability when using a hammer or similar tool during assembly.
  • the clamping means is a clamping screw.
  • a clamping screw is a threaded component.
  • the connecting device is such that the clamping screw can be screwed vertically into the bottom of the U-profile in order to pivot the pivotable claw in the end position, in the starting position or in the center position. Due to the vertical orientation of the clamping screw to the housing of the connecting device, the user receives a particularly good access to the clamping screw for the purpose of screwing in or out.
  • a claw preferably both claws, are forked in such a way that the two prongs of the fork can embrace a cross bar.
  • the cross bar is a U-shaped supporting element, which is aligned perpendicular to the abutment surface with the adjacent and to be connected panel.
  • a bifurcated claw makes it possible that the claw on both webs or side walls of the crossbar rests and thus can absorb very high forces.
  • the actuating means is arranged in the form of a projection for pivoting the pivotable claw in the middle position between two ends of the pivotable claw. According to the invention, the one end, the nose and the other end of the lever arm.
  • the connection device can be operated more easily.
  • the actuating means is arranged in the form of a projection for pivoting the pivotable claw in the middle position between the axis or pivot axis of the pivotable claw and one end of the pivotable claw.
  • the end is the nose or the lever arm.
  • the connection device can be operated more easily.
  • the actuating means extends in the form of a projection for pivoting the pivotable claw inwards into the middle position, preferably substantially orthogonal to the axis or pivot axis of the pivotable claw and / or substantially orthogonal to the pivotable claw with hidden actuating means.
  • Substantially orthogonal means an angle between 30 ° and 150 °, preferably between 45 ° and 135 °, more preferably between 60 ° and 120 °, most preferably between 80 ° and 100 °.
  • "Inner” means a region which can be enclosed in a curved or, for example, L-shaped pivotable claw by connecting the two ends of the pivotable claw or is. The connection device can be operated more easily.
  • Connected in this context means that the connecting device can still be connected to the switchboard even if the connecting device is not used to connect the switchboard with another panel. Therefore, “connected” also includes that the connecting device is or can be connected to the switchboard regardless of the mounting state. So this connection does not have to be solved for assembly or disassembly, so for example for connecting the panel with an adjacent or above arranged panel.
  • connection device in this context means according to that the connecting device can be solved at least by means of tools from the board.
  • a mechanical connection is present when the connecting device is connected by positive engagement and / or frictional connection with the control panel, in which connection a cohesive connection is not construed as a mechanical connection.
  • Such a connection device can be connected in the context of the invention with the formwork panel.
  • connection device is connected to the formwork board in such a way that no tool is required for such a release.
  • connection means is attached to two supporting members of the formwork panel, preferably such that at least one component of the connection means can be reciprocated between the two supporting members.
  • the system is such that a rod of the connector is attached to one or two supporting members of the panel.
  • the system is such that at least one further component of the connection device is movably connected to the rod.
  • connection means comprises a component having a slot through which a rod of the connection means passes.
  • the system is such that at least one component of the connection device can be moved against a supporting element of the formwork panel such that the at least one component is capable of initiating the load into the at least one supportive component that occurs when the formwork panel passes through Connecting device is connected to another panel or is.
  • the system is such that the connecting means comprises a bar having a widened area such that the bar, but not the widened area, can be inserted through a hole in a supporting element of the formwork panel.
  • the system is such that the widened area is wedge-shaped.
  • a connecting device for the system is such that the connecting device with a fastening device, in particular comprising a rod, which can be mechanically detachably connected to at least one supporting element of the formwork panel, and at least one further component, with the two together adjacent formwork panels can be connected for concreting.
  • a fastening device in particular comprising a rod, which can be mechanically detachably connected to at least one supporting element of the formwork panel, and at least one further component, with the two together adjacent formwork panels can be connected for concreting.
  • connection means is such that the at least one further component pivots about the rod and the pivoting movement relative to the rod can be fixed, preferably in two different positions.
  • the connecting device provides a holding device for holding the at least one further component in a parking position, wherein the holding device comprises in particular a spring and / or a magnet.
  • the connecting device is such that the connecting device comprises two claws, which are movable relative to one another, and a wedge, by means of which the two claws can be moved toward one another.
  • connection means is such that the wedge comprises a hook-shaped end.
  • the connecting device is such that the rod of the connecting device is passed through a slot of a claw.
  • the connecting device is such that the rod comprises a section whose cross-section is adapted to the oblong hole in such a way that a pivoting movement of the at least one further component of the connecting device around the rod can be prevented.
  • the connecting device provides a wedge, which is such that it can be fixed in a rest position of at least one further component of the connecting device in an inclined position.
  • the center position can be achieved by manually actuating the pivotable claw.
  • manually pressing the pivoting claw manages in particular that the wedge falls into a middle position, which facilitates further driving with the hammer.
  • the center position described is achieved by pivoting the wedge, in particular from its locking position and usually away from the board in the direction of the user, the pivotable claw can be pivoted into the central position, but the wedge still remains in the locked position.
  • Both of the aforementioned embodiments particularly facilitate the assembly in the connection of two formwork panels.
  • FIG. 1 shows an embodiment of the connecting device according to the invention for connecting two formwork panels for the production of concrete structures.
  • the connecting device has a fixed or fixedly connected to the housing 15 claw 2 and a pivotable claw 1 and a wedge 3.
  • a rivet 4 forms the axis of the connecting device about which the pivotable claw 1 can be pivoted from the starting position to the end position.
  • the pivotable claw 1 In the end position, the pivotable claw 1 is pivoted so that the lugs 5, 6 engage in a respective groove of the supporting elements for holding the formwork panels in the desired position.
  • clamping surfaces 12, 13 of the claws 1, 2 To the lugs 5, 6 below, ie in the direction of the axis, clamping surfaces 12, 13 of the claws 1, 2 for pressing against a corresponding contour of the supporting elements.
  • the lugs 5, 6 and clamping surfaces 12, 13 are usually oriented approximately mirror-symmetrically and connect the supporting elements of two formwork panels frictionally.
  • the concrete can not bleed so, so do not leak in the liquid state between the two connected by the connecting panel panels.
  • FIGS. 1 and 2 show a connecting device which provides a center position between the starting position and end position, which is precisely taken when the rounded tip 8 of the triangular projection 7 of the pivotable claw 1 by attaching to the supporting elements in one with the contact surface 17 of the upper part 16 of the housing 15 aligned position has arrived.
  • a preloaded torsion spring 9 is arranged wound around the rivets 4, that the pivotable claw 1 is constantly pressed in the direction of the starting position, ie in the direction of a mutually open position of the claws.
  • the rivet 4 is captive and positive fit connected to the housing 15 and that by means of two opposite holes on the side walls of the U-section 18 of the housing 15th
  • the transverse bore of the pivotable claw 1 in the deflection region 10 of the pivotable claw 1 is arranged and the pivotable claw 1 L-shaped.
  • the deflection region 10 is formed rounded to achieve a longer life of the pivotable claw under load, in which in the Figures 1 and 2 shown embodiment of the connecting device, a pivoting of the pivotable claw 1 by a translational movement 14 of the wedge 3 is effected.
  • the direction of movement of the wedge 3 is oriented parallel to the grooves of the supporting elements to allow a particularly small space of the connecting device and easier access for a tool such as a hammer.
  • the translational movement 14 of the wedge 3 is guided through the housing 15.
  • two opposing slots 20 are introduced into the side walls of the U-profile 18.
  • each have a support surface 21 is provided, which are also formed inexpensively by means of a forming process.
  • the wedge 3 is disposed between the lever arm 11 of the pivotable claw 1 and the two bearing surfaces 21, so that the insertion of the wedge 3 in the connecting device by the cross-sectional enlargement of the wedge 3 at the interface with the lever arm 11, a pivoting of the lever arm 11 and thus the can cause pivoting claw 1 in the end position.
  • FIG. 3 shows the wedge 3 In side view.
  • the wedge 3 has a straight surface on the side facing the bearing surfaces 21.
  • the opposite side, ie the side facing the lever arm 11, reveals in profile a profile with several sections (FIG. Fig. 3 ).
  • the first portion 22 of the wedge is the portion which is in the end position with the pivotable claw engaged and the lowest pitch angle 26 has.
  • the second section 23 is shorter than the first section 22 and has a larger pitch angle 27 compared to the first section 22.
  • the third section 24 comprises a U-shaped recess 31 with a side wall 28 to the second section 23 and the opposite side wall 29 to the fourth section 25.
  • the fourth section 25 has a straight surface and leads to the end of the wedge third
  • a transverse bore 30 for attaching a rivet is introduced as a stop means to cause the wedge 3 is always guided through both slots 20 of the U-profile 18 and can not be released from the connecting device.
  • the connecting device can be brought by pulling the wedge 3 from the connecting device in the starting position.
  • the starting position is reached when the lever arm 11 enters the U-shaped recess 31.
  • the side walls 28, 29 are chamfered. Thanks to the preloaded torsion spring 9 when pulling out the wedge 3 of Lever arm 11 is always pressed against the wedge 3, so that the translational movement 14 can be done in a straight line and without disturbing tilting movements and held firmly in the initial position of the lever arm 11 in the U-shaped recess 31 and thus locked.
  • the wedge 3 can therefore perform no translational movement 14 in the starting position due to the blocking side walls 28, 29. Characterized in that the claws 1, 2 can be fixed to each other in the starting position with a particularly large opening angle, the connecting device can be particularly easily and quickly recognized for mounting on the supporting elements.
  • the connecting device By attaching the connecting device to supporting elements, the connecting device is in the middle position.
  • the lever arm 11 is pivoted in the middle position so that only the side wall 29 and no longer the side wall 28 constitute a barrier to a translational movement 14 of the wedge.
  • a large pivoting path of the pivotable claw 1 is generated by the large pitch angle 27 of the second portion 23 with only a short feed path of the wedge 3 in the connecting device, thus allowing a quick delivery.
  • the small pitch angle 26 of the first portion 22 ensures that when pressing the lugs 5, 6 and clamping surfaces 12, 13 to the supporting elements a small force applied to the wedge 3 feed force can cause a large contact force. If the manual force of the user is not sufficient, he / she is free to use a hammer to move the connection device into its end position.
  • the T-profile 32 at the end of the wedge 3 ensures that the wedge 3 can withstand the use of a hammer.
  • In the end position causes the low pitch angle 26 of the first portion 22 a particularly large self-locking.
  • a recess 33 for the torsion spring 9 is inserted into the lever arm 11 so that the lever arm 11 can rest flush in the end position on the bottom of the U-profile 18.
  • the T-profile 32 serves as a stop surface for a hammer or similar tool for moving the wedge 3 out of the connecting device.
  • the housing 15 of the in the Figures 1 and 2 shown embodiment of the connecting device is constructed of simple sheet metal parts with very little effort.
  • the housing 15 comprises a U-profile 18, an upper part 16 and a corner part 19 for stabilization and as a stop for the pivotable claw in the event of disengagement of the wedge from the connecting device,
  • the center position can also be achieved by manual actuation of the pivotable claw 1.
  • the wedge 3 is then conveyed, for example, by gravity into a position which particularly facilitates further driving in with the hammer.
  • a starting position can be achieved by a manual pivoting of the wedge 3 away from the board in the direction of the user that the pivotable claw 1 can be pivoted so that the pivotable claw 1 can take an orientation as in the center position.
  • the wedge 3 is prevented in such a pivoting by the blocking side walls 28, 29 to a translational movement 14. Both functions described are able to facilitate the joining of two formwork panels by the connecting device in particular.
  • FIG. 4 shows a further embodiment of the connecting device with the fork-shaped claws 1, 2, the tines can embrace a cross bar.
  • the prongs have beads 34 which are such that the beads 34 both increase the strength of the prongs or fork-shaped claws 1, 2 and also allow a particularly good power transmission to the webs or side walls of the crossbar.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP14700082.2A 2013-01-08 2014-01-07 Verbindungseinrichtung für schaltafeln Active EP2943628B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14700082T PL2943628T3 (pl) 2013-01-08 2014-01-07 Urządzenie łączące dla tarcz deskowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013200147.9A DE102013200147A1 (de) 2013-01-08 2013-01-08 Verbindungseinrichtung für Schaltafeln
PCT/EP2014/050119 WO2014108383A1 (de) 2013-01-08 2014-01-07 Verbindungseinrichtung für schaltafeln

Publications (2)

Publication Number Publication Date
EP2943628A1 EP2943628A1 (de) 2015-11-18
EP2943628B1 true EP2943628B1 (de) 2018-01-03

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EP14700082.2A Active EP2943628B1 (de) 2013-01-08 2014-01-07 Verbindungseinrichtung für schaltafeln

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US (1) US9487961B2 (es)
EP (1) EP2943628B1 (es)
DE (1) DE102013200147A1 (es)
ES (1) ES2657688T3 (es)
PL (1) PL2943628T3 (es)
WO (1) WO2014108383A1 (es)

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Publication number Priority date Publication date Assignee Title
CN104295099B (zh) * 2014-09-09 2016-06-08 广州市艺达机械有限公司 模板拼装用连接卡具
WO2020225216A1 (en) * 2019-05-07 2020-11-12 Peri Gmbh A wedge-clip connector assembly
CN111173280A (zh) * 2020-01-22 2020-05-19 广东亚旺模架技术有限公司 夹固式复合铝合金建筑模板系统

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DE8009687U1 (de) * 1980-04-09 1980-07-10 Fa. E. & G. Kronsteiner, Krieglach, Steiermark (Oesterreich) Vorrichtung zum loesbaren verbinden eines traegers eines schalungselementes mit einem stahlriegel o.dgl.
US4529163A (en) * 1984-04-20 1985-07-16 Gerhard Dingler Combination of form panels and form lock devices
ATE78314T1 (de) * 1987-08-26 1992-08-15 Hollmann Niels Rahmenschalungs-verbindungsschloss.
AT396381B (de) * 1991-11-11 1993-08-25 Ringer Kg Klemmvorrichtung zum zusammenspannen der profilrahmen aneinanderstossender schalungstafeln
IT1260794B (it) * 1992-05-18 1996-04-22 Franz Ohrwalder Morsetto di serraggio per l'unione di pannelloni di casseforme e sistema di azione.
FR2778214B1 (fr) * 1998-04-30 2000-06-16 Bianchetti Jacques Dispositif ecrou de mise en place rapide, a deux demi-ecrous et agencement de blocage notamment pour coffrage de beton, utilisant un tel dispositif ecrou
BE1012700A3 (nl) * 1999-06-02 2001-02-06 Cometal Nv Klem voor een betonbekisting.
DE10028556C1 (de) * 2000-06-09 2001-09-27 Meyer Keller Noe Schalttech Spannzwinge zur Verbindung von zwei aneinandergrenzenden Schalungselementen einer Betonschalung
DE10160482A1 (de) * 2001-12-08 2003-10-02 Peri Gmbh Klemmkupplung
DE10330462A1 (de) 2003-07-05 2005-01-27 Peri Gmbh Einhakbare Spannschlossvorrichtung
ES2292272B1 (es) * 2004-06-24 2008-10-01 Transformados Muper, S.L. Mecanismo para la sujecion de paneles de muro adyacentes.
US20060208152A1 (en) * 2005-03-15 2006-09-21 Mccracken Robert Clamp for interconnecting components of concrete forming apparatus
US8769911B2 (en) * 2010-08-11 2014-07-08 Honeywell International Inc. Connectors and roof anchor systems comprising a connector
DE102012214396A1 (de) 2012-08-13 2014-02-13 Harsco Infrastructure Services Gmbh Wandschalung mit Verbindungseinrichtung
DE102012217823A1 (de) 2012-09-28 2014-04-03 Harsco Infrastructure Services Gmbh Wandschalung mit Abdichtungssystem

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Publication number Publication date
EP2943628A1 (de) 2015-11-18
DE102013200147A1 (de) 2014-07-24
ES2657688T3 (es) 2018-03-06
US20150308131A1 (en) 2015-10-29
US9487961B2 (en) 2016-11-08
WO2014108383A1 (de) 2014-07-17
PL2943628T3 (pl) 2018-04-30

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