EP2097595B1 - Telescopic construction support - Google Patents
Telescopic construction support Download PDFInfo
- Publication number
- EP2097595B1 EP2097595B1 EP07846387.4A EP07846387A EP2097595B1 EP 2097595 B1 EP2097595 B1 EP 2097595B1 EP 07846387 A EP07846387 A EP 07846387A EP 2097595 B1 EP2097595 B1 EP 2097595B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner tube
- outer tube
- prop
- connecting element
- tube
- 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.)
- Not-in-force
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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
- E04G25/00—Shores or struts; Chocks
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
-
- 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
Definitions
- the invention relates to a telescoping prop with an outer tube, an inner tube displaceable in the outer tube and a connection element for fastening a stiffener on the inner tube having the features of the preamble of claim 1.
- Telescopic supports are known, they are used, for example, for setting up slab formwork or scaffolding.
- Known telescopic props have an outer tube and an inner tube, which is displaceable for length or height adjustment in the outer tube. Because of the displaceability of the inner tube in the outer tube, the props are referred to as telescopic.
- the inner tube can be fixed in steps or steplessly in the outer tube.
- stiffeners can, for example Struts or frames, the frames are usually formed as a triangular braced grid frame.
- the outer tubes of known, telescoping props for example, T-grooves or T-shaped or mushroom-shaped ribs in cross-section.
- the T-slots can be fitted with hammer-head bolts or plate-shaped nuts, also known as T-slot nuts or T-slot nuts.
- T-slot nuts or T-slot nuts For attachment to T-shaped or mushroom-shaped ribs brackets are known.
- the T-slots or T-shaped or mushroom-shaped ribs can also generally be understood as a fastening device for stiffeners.
- a telescopic prop of the type described above discloses the European patent EP 0 665 348 B1 ,
- the well-known prop has a cross-sectionally octagonal outer tube and a telescoping in this, smooth-walled inner tube.
- the inner tube has transverse holes for length and height adjustment of the prop, which are penetrated by a mandrel of a nut.
- the octagonal outer cross-section in the cross section has four, each offset by 90 ° to each other T-slots for attachment of stiffeners with, for example, hammer head screws or plate-shaped, can be used in the T-nuts.
- the prop is kinky at the transition from the outer tube to the inner tube.
- a stiffening on the inner tube is desirable.
- an outer diameter of the outer tube is larger than an outer diameter of the inner tube.
- the clear distance of the outer tubes of two parallel spaced parallel to each other props is smaller on the outer tubes than on the inner tubes. If the stiffeners are obliquely arranged struts, the distance difference can possibly be compensated. If frames are used to brace the brackets, it is not easy to compensate for the distance.
- the said European patent EP 0 553 665 B1 to form the outer tube with mushroom-shaped in cross-section, hollow, longitudinally extending bulges instead of T-shaped or mushroom-shaped ribs as fastening devices.
- the inner tube has mushroom-shaped ribs in cross section, which are located in the hollow, mushroom-shaped bulges of the outer tube. Lateral grooves of the mushroom-shaped protrusions of the outer tube and the mushroom-shaped ribs of the inner tube are arranged at the same radial distance from an imaginary axis of the prop.
- the attachment of the stiffener is carried out with a clip which engages in the lateral grooves of the mushroom-shaped bulges of the outer tube or the mushroom-shaped ribs of the inner tube.
- the distance of the lateral grooves of the imaginary axis of the prop in the inner tube and the outer tube is the same, the distance of the lateral grooves of the mushroom-shaped bulges of the outer tube and the mushroom-shaped ribs of the inner tube of two spaced apart parallel to each other props is the same. It can thereby connect the outer and the inner tube of the two spaced parallel parallel props with the same stiffeners.
- the patent application GB 2 407 842 A proposes an openable, in front view U-shaped sleeve, which is placed on the inner tube of a telescoping prop and the two flaps, which are pivotally mounted on the sleeve, closable to the inner tube of the prop and closable by means of a screw on the inner tube , Noses engage in a thread of the inner tube and thus secure the sleeve in axial Direction on the inner tube.
- the cuff has three T-slots for attachment of struts.
- GB 2 407 842 A discloses the features of the introductory part of claim 1.
- the utility model DE 20 2004 002 593 U1 discloses a sleeve which consists of an axially divided into two halves sleeve, which are pivotally connected to each other for attachment to an inner tube of a prop and connected with a screw and can be tensioned.
- the axially split sleeve has an internal thread that engages a thread of the inner tube of the prop.
- Each half of the sleeve has a half perforated disc forming a radial flange provided with recesses for attachment of stiffeners which are connected and keyed with through wedges.
- the object of the invention is to propose another possibility with which the inner tubes of two spaced apart parallel to each other, telescoping props with the same stiffener as the outer tubes of the props are connectable.
- This object is achieved by the features of claim 1.
- the inventive telescopic prop has an outer tube, an inner tube displaceable in the outer tube, and a detachably attached to the inner tube Connection element on. This may be, for example, one or more tension straps which can be laid around the inner tube and which are fastened or attachable to the connecting element.
- the outer tube of the prop and the connecting element have congruent and mutually aligned T-slots, T, L or mushroom-shaped ribs as means for attaching a stiffener.
- the device of the connecting element for fastening the stiffening is corresponding to the fastening device of the outer tube of the brace for the stiffening.
- correspondence is meant that the stiffener with the same connection means, so for example a hammer head screw or a clamp, both on the fastening means of the outer tube of the prop as well as on the fastening means of the connecting element can be fastened.
- the fastening device of the connecting element has the same cross-section as the fastening device of the outer tube. Furthermore, the fastening device for the stiffening of the connecting element according to the invention and the fastening device for the stiffening of the outer tube are aligned when the connecting element is fastened to the inner tube of the prop.
- the invention has the advantage that a stiffener can be attached at will to the outer tubes or inner tubes of two spaced parallel to each other props erected. Also, it is easily possible to have a stiffener that two or more longitudinally of the props from each other has spaced attachment points to attach with the connection element according to the invention on the inner tube and directly on the outer tube of the prop. With the connecting element according to the invention props can be connected to their inner tubes with the same stiffeners as on their outer tubes.
- An embodiment of the invention provides that the connecting element in the region of the fastening device has a cross-section matching the outer tube of the prop in the region of the fastening device.
- the fastening device of the connecting element has, as already stated above, the same cross-section as the fastening device of the outer tube of the prop. This reliably ensures that a stiffener, which is attachable to the outer tube of the prop, by means of the connecting element according to the invention also on the inner tube of the prop can be fastened.
- An embodiment of the invention provides that the connecting element as a whole, ie not only in the region of the fastening device, has a cross-section matching the outer tube of the prop.
- connection element according to the invention can be designed for example as a so-called “shoe”, which extends over a limited peripheral portion of not more than 180 ° and which is set and fixed from one side to the inner tube of the prop.
- An embodiment of the invention provides a connection element designed as an openable sleeve.
- the sleeve may, for example, have two halves extending in the circumferential direction over approximately 180 ° each and the opening for example by means of a hinge can be pivoted apart and together. With the sleeve, it is possible to continue a cross section of the outer tube substantially unchanged on the inner tube.
- An embodiment of the invention provides a positive locking element, which engages positively in a complementary connection device of the inner tube of the prop when connected to the inner tube connecting element.
- the form-fitting element may for example be a pin which engages in a hole of the inner tube of the prop.
- a nose is conceivable, which engages in a thread of the inner tube of the prop, if the inner tube has an external thread for length or height adjustment.
- a reversal, ie, a protruding from the inner tube outward, engaging in a complementary recess of the connecting element positive locking element is possible within the scope of this embodiment of the invention.
- the interlocking element holds the connecting element in the axial direction and / or in the circumferential direction on the inner tube of the prop. By the latter, it is possible to ensure an aligned alignment of the fastening device of the connecting element and the fastening device of the outer tube of the prop, provided that the inner tube in the outer tube rotatably and rotationally guided.
- telescopic prop 1 has an outer tube 2 and a displaceable in the outer tube 2 inner tube 3. Because of the displaceability of the two tubes 2, 3, the prop 1 is referred to as telescopic.
- the inner tube 3 is a cylindrical, smooth-walled tube at one end face of a front plate 4 is welded.
- the front plate 4 serves as a foot of the prop 1, for connecting the prop 1 with another prop 1 or for attachment of a head, not shown, for example, for attachment of a slab formwork, not shown on the prop 1.
- the inner tube 3 has a number of transversely continuous holes 5 which are axially mounted at preferably equal intervals.
- the inner tube 3 is made of steel, for example.
- the outer tube 2 is cylindrical inside for slidably receiving and guiding the inner tube 3 and octagonal outside. It has four T-slots 6 for attachment of stiffeners. Another, in particular larger number of T-slots is possible, for example, eight T-slots. As a result, the angular distances from T-slot to T-slot are smaller (not shown).
- a fragment of a frame 7 is shown as a stiffening element. With the Reference numeral 7 is actually designated an end of a pipe forming a cross member of the frame 7. The attachment takes place with engaging in the T-slots 6 hammer head screws 8.
- the frame 7 shown by way of example is a lattice frame with shoes 9 on both sides, which are recognized in the region of one of the T-slots 6 on the outer tube 2, wherein the shoes 9 edges 10th of the outer tube 2 laterally overlap the respective T-slot 6.
- the outer tube 2 is a profile tube with constant over its length cross section, which is made for example of steel or preferably an aluminum alloy. The preparation can be done for example by extrusion, rod drawing or continuous casting.
- connecting element 11 is formed as an openable sleeve.
- the connecting element 11 is divided in the longitudinal direction into two sleeve halves 12, each extending over approximately 180 ° in the circumferential direction.
- Each cuff half 12 may be referred to as a shoe by itself.
- the two sleeve halves 12 are formed as a hinge 13 and pivotally connected to each other for opening and closing.
- Inner sides of the sleeve halves 12 are cylindrical with the same radius as an outer side of the inner tube 3. How good in FIG.
- the T-slots 14 of the connecting element 11 are not only corresponding to the T-slots 6 of the outer tube 2, but they are congruent.
- the octagonal outline of the closed terminal 11 is congruent with the outline of the outer tube 2.
- the T-grooves 6, 14 of the outer tube 2 and the terminal member 11 may also generally as fastening means or means for fixing a stiffener such as Frame 7 are understood. Due to their design as T-grooves 6, 14, the fastening devices have undercuts.
- the sleeve halves 12 of the connecting element 11 have, at their longitudinal edges opposite the hinge 13, radially outward ribs 15 which are angled at 90 ° to the side at their free longitudinal edges.
- the ribs 15 are characterized in cross-section L-shaped, their outer edges are formed as bevels 16.
- the ribs 15 are provided with closed at both ends longitudinal slots 17 for the engagement of plate nuts 18.
- the plate nuts 18 have an approximately square shape in plan view, they have a center hole with internal thread into which a threaded bolt 19 is screwed. By a locking varnish, a spot weld, a plastic deformation or the like.
- the threaded bolt 19 are rotationally fixed with the plate nuts 18.
- a closing plate 20 is arranged, which has a center hole through which the threaded bolt 19 protrudes.
- the closing plate 20 is rectangular in plan view, its longitudinal edges are angled as a wing 21 obliquely outwards and in the direction of the connecting element 11 standing.
- the wings 21 have the same slope as the slopes 16 of the L-shaped ribs 15 of the collar halves 12 of the connection element 11.
- the wings 21 of the closing plates 20 engage over the ribs 15 at their bevels 16 as shown in FIG FIG. 2 you can see.
- the respective closing plate 20 With a screwed onto the threaded bolt 19 wing nut 22, the respective closing plate 20 can be tensioned inwards and keeps the connection element 11 closed, wherein it clamps the sleeve halves 12 to the L-shaped ribs 15 due to the inclination of the wings 21 and the bevels 16.
- the connection element 11 can be as in FIG. 2 to be clamped on the inner tube 3 of the prop 1, ie fasten.
- the connecting element 11 thus has, due to its design as an openable sleeve, the sleeve halves 12 are clamped together, a means for fixing to the inner tube 3 of the prop 1.
- Other closures for the Cuff such as wedges or toggle are possible (not shown).
- One of the two sleeve halves 12 of the connecting element 11 has a short, inwardly projecting pin, which forms a form-locking element 23.
- the connecting element 11 is attached to the inner tube 3 so that the pin forming the positive locking element 23 engages in one of the holes 5 of the inner tube 3.
- the hole 5 of the inner tube 3 forms a complementary connection means for the pin forming the positive locking element 23, in which the pin engages positively.
- the connecting element 11 is held in the axial direction, ie in its height, on the inner tube 3 of the prop 1.
- the positive-locking element 23 aligns the connecting element 11 in its angular position on the inner tube 3.
- the connecting element 11 Since the angular position of the outer tube 2 is specified with respect to the inner tube 3 via a special nut, not shown for length or height adjustment of the prop 1, the connecting element 11 is arranged congruent to the outer tube 2.
- the connecting element 11 allows the attachment of a stiffening element, which is fastened to the outer tube 2 of the prop 1, in the same way on the inner tube 3 of the prop 1.
- FIG. 2 is like in FIG. 1 a frame 7 shown as a stiffening element, which is fastened with a hammer head screw 8 in the T-groove 14 of the connecting element 11.
- the sleeve halves 12 of the connection element 11 are profile half tubes with a constant cross section over their length.
- the sleeve halves 12 are identical and assembled in mirror image at its hinge 13. They consist for example of steel or in particular of an aluminum alloy and are as well as the outer tube 2 of the prop 1 produced by extrusion or pultrusion.
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Description
Die Erfindung betrifft eine teleskopierbare Baustütze mit einem Außenrohr, einem im Außenrohr verschiebbaren Innenrohr und mit einem Anschlusselement zur Befestigung einer Aussteifung am Innenrohr mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a telescoping prop with an outer tube, an inner tube displaceable in the outer tube and a connection element for fastening a stiffener on the inner tube having the features of the preamble of claim 1.
Teleskopierbare Baustützen sind bekannt, sie werden beispielsweise zum Aufstellen von Deckenschalungen oder Traggerüsten verwendet. Bekannte teleskopierbare Baustützen weisen ein Außenrohr und ein Innenrohr auf, das zur Längen- bzw. Höheneinstellung im Außenrohr verschiebbar ist. Wegen der Verschiebbarkeit des Innenrohrs im Außenrohr werden die Baustützen als teleskopierbar bezeichnet. Zur Längen- bzw. Höheneinstellung ist das Innenrohr in Stufen oder stufenlos im Außenrohr feststellbar.Telescopic supports are known, they are used, for example, for setting up slab formwork or scaffolding. Known telescopic props have an outer tube and an inner tube, which is displaceable for length or height adjustment in the outer tube. Because of the displaceability of the inner tube in the outer tube, the props are referred to as telescopic. For length and height adjustment, the inner tube can be fixed in steps or steplessly in the outer tube.
Für einen stabilen Aufbau ist es bekannt, zwei mit Abstand parallel nebeneinander aufgestellte Baustützen durch eine oder mehrere Aussteifungen in verschiedenen Höhen zu verbinden. Die Aussteifungen können beispielsweise Streben oder Rahmen sein, wobei die Rahmen üblicherweise als dreiecksförmig verstrebte Gitterrahmen ausgebildet sind.For a stable construction, it is known to connect two spaced apart parallel juxtaposed props by one or more stiffeners at different heights. The stiffeners can, for example Struts or frames, the frames are usually formed as a triangular braced grid frame.
Zur Befestigung der Aussteifungen weisen die Außenrohre bekannter, teleskopierbarer Baustützen, beispielsweise T-Nuten oder im Querschnitt T- oder pilzförmige Rippen auf. In den T-Nuten ist eine Befestigung mit Hammerkopfschrauben oder plattenförmigen, auch als T-Nutenmuttern oder T-Nutensteine bezeichneten Muttern möglich. Zur Befestigung an T-förmigen oder pilzförmigen Rippen sind Klammern bekannt. Die T-Nuten oder T- oder pilzförmigen Rippen können allgemein auch als Befestigungseinrichtung für Aussteifungen aufgefasst werden.For attachment of the stiffeners, the outer tubes of known, telescoping props, for example, T-grooves or T-shaped or mushroom-shaped ribs in cross-section. The T-slots can be fitted with hammer-head bolts or plate-shaped nuts, also known as T-slot nuts or T-slot nuts. For attachment to T-shaped or mushroom-shaped ribs brackets are known. The T-slots or T-shaped or mushroom-shaped ribs can also generally be understood as a fastening device for stiffeners.
Eine teleskopierbare Baustütze der vorstehend erläuterten Art offenbart das Europäische Patent
Ist das Innenrohr weit aus dem Außenrohr einer Baustütze herausgezogen und steckt folglich nur ein kurzes Stück im Außenrohr, ist die Baustütze am Übergang vom Außenrohr zum Innenrohr knickgefährdet. In diesem Fall ist eine Aussteifung am Innenrohr erstrebenswert. Dabei besteht das Problem, dass ein Außendurchmesser des Außenrohrs größer als ein Außendurchmesser des Innenrohrs ist. Der lichte Abstand der Außenrohre zweier mit Abstand parallel zueinander aufgestellter Baustützen ist an den Außenrohren kleiner als an den Innenrohren. Sind die Aussteifungen schräg angeordnete Streben, lässt sich der Abstandsunterschied möglicherweise ausgleichen. Werden zur Aussteifung der Baustützen Rahmen verwendet, ist ein Abstandsausgleich nicht ohne weiteres möglich.If the inner tube is pulled far out of the outer tube of a prop and therefore only a short distance in the outer tube, the prop is kinky at the transition from the outer tube to the inner tube. In this case, a stiffening on the inner tube is desirable. There is the problem that an outer diameter of the outer tube is larger than an outer diameter of the inner tube. The clear distance of the outer tubes of two parallel spaced parallel to each other props is smaller on the outer tubes than on the inner tubes. If the stiffeners are obliquely arranged struts, the distance difference can possibly be compensated. If frames are used to brace the brackets, it is not easy to compensate for the distance.
Zur Lösung dieses Problems ist es möglich, die Aussteifungen tangential an den Baustützen zu befestigen. Damit ist gemeint, dass die Aussteifungen nicht an den einander zugewandten Seiten oder Umfangsstellen der Baustützen befestigt werden, sondern an Seiten oder Umfangsstellen der Baustützen, die parallel zu einer gedachten Mittelebene durch gedachte Achsen der beiden Baustützen verlaufen. Diese Lösung schlägt beispielsweise das Europäische Patent
Als andere Lösungsmöglichkeit schlägt das genannte Europäische Patent
Die Patentanmeldung
Das Gebrauchsmuster
Die Erfindung hat den Vorteil, dass sich eine Aussteifung nach Belieben an den Außenrohren oder Innenrohren zweier mit Abstand parallel zueinander aufgestellter Baustützen befestigen lässt. Auch ist es problemlos möglich, eine Aussteifung, die zwei oder mehr in Längsrichtung der Baustützen voneinander beabstandete Befestigungsstellen aufweist, mit dem erfindungsgemäßen Anschlusselement am Innenrohr und unmittelbar am Außenrohr der Baustütze zu befestigen. Mit dem erfindungsgemäßen Anschlusselement können Baustützen an ihren Innenrohren mit denselben Aussteifungen verbunden werden wie an ihren Außenrohren.The invention has the advantage that a stiffener can be attached at will to the outer tubes or inner tubes of two spaced parallel to each other props erected. Also, it is easily possible to have a stiffener that two or more longitudinally of the props from each other has spaced attachment points to attach with the connection element according to the invention on the inner tube and directly on the outer tube of the prop. With the connecting element according to the invention props can be connected to their inner tubes with the same stiffeners as on their outer tubes.
Eine Ausgestaltung der Erfindung sieht vor, dass das Anschlusselement im Bereich der Befestigungseinrichtung einen mit dem Außenrohr der Baustütze im Bereich der Befestigungseinrichtung übereinstimmenden Querschnitt aufweist. Die Befestigungseinrichtung des Anschlusselements weist, wie schon oben gesagt, denselben Querschnitt wie die Befestigungseinrichtung des Außenrohrs der Baustütze auf. Damit ist zuverlässig sichergestellt, dass eine Aussteifung, die am Außenrohr der Baustütze befestigbar ist, mittels des erfindungsgemäßen Anschlusselements auch am Innenrohr der Baustütze befestigbar ist.An embodiment of the invention provides that the connecting element in the region of the fastening device has a cross-section matching the outer tube of the prop in the region of the fastening device. The fastening device of the connecting element has, as already stated above, the same cross-section as the fastening device of the outer tube of the prop. This reliably ensures that a stiffener, which is attachable to the outer tube of the prop, by means of the connecting element according to the invention also on the inner tube of the prop can be fastened.
Eine Ausgestaltung der Erfindung sieht vor, dass das Anschlusselement insgesamt, also nicht nur im Bereich der Befestigungseinrichtung, einen mit dem Außenrohr der Baustütze übereinstimmenden Querschnitt aufweist.An embodiment of the invention provides that the connecting element as a whole, ie not only in the region of the fastening device, has a cross-section matching the outer tube of the prop.
Das erfindungsgemäße Anschlusselement kann beispielsweise als sog. "Schuh" ausgebildet sein, der sich über einen begrenzten Umfangsabschnitt von nicht mehr als 180° erstreckt und der von einer Seite an das Innenrohr der Baustütze gesetzt und befestigt wird. Eine Ausgestaltung der Erfindung sieht ein als öffenbare Manschette ausgebildetes Anschlusselement vor. Die Manschette kann beispielsweise zwei Hälften haben, die sich in Umfangsrichtung über jeweils etwa 180° erstrecken und die zum Öffnen beispielsweise mittels eines Scharniers auseinander- und zusammenschwenkbar sind. Mit der Manschette ist es möglich, einen Querschnitt des Außenrohrs im Wesentlichen unverändert am Innenrohr fortzusetzen.The connection element according to the invention can be designed for example as a so-called "shoe", which extends over a limited peripheral portion of not more than 180 ° and which is set and fixed from one side to the inner tube of the prop. An embodiment of the invention provides a connection element designed as an openable sleeve. The sleeve may, for example, have two halves extending in the circumferential direction over approximately 180 ° each and the opening for example by means of a hinge can be pivoted apart and together. With the sleeve, it is possible to continue a cross section of the outer tube substantially unchanged on the inner tube.
Eine Ausgestaltung der Erfindung sieht ein Formschlusselement vor, das bei am Innenrohr befestigtem Anschlusselement formschlüssig in eine komplementäre Anschlusseinrichtung des Innenrohrs der Baustütze eingreift. Das Formschlusselement kann beispielsweise ein Zapfen sein, der in ein Loch des Innenrohrs der Baustütze eingreift. Auch ist beispielsweise eine Nase denkbar, die in ein Gewinde des Innenrohrs der Baustütze eingreift, sofern das Innenrohr ein Außengewinde zur Längen- bzw. Höheneinstellung aufweist. Auch eine Umkehrung, also ein vom Innenrohr nach außen abstehendes, in eine komplementäre Ausnehmung des Anschlusselements eingreifendes Formschlusselement, ist im Rahmen dieser Ausgestaltung der Erfindung möglich. Das Formschlusselement hält das Anschlusselement in axialer Richtung und/oder in Umfangsrichtung am Innenrohr der Baustütze. Durch letzteres lässt sich eine fluchtende Ausrichtung der Befestigungseinrichtung des Anschlusselements und der Befestigungseinrichtung des Außenrohrs der Baustütze sicherstellen, sofern auch das Innenrohr im Außenrohr drehfest und drehlagerichtig geführt ist.An embodiment of the invention provides a positive locking element, which engages positively in a complementary connection device of the inner tube of the prop when connected to the inner tube connecting element. The form-fitting element may for example be a pin which engages in a hole of the inner tube of the prop. Also, for example, a nose is conceivable, which engages in a thread of the inner tube of the prop, if the inner tube has an external thread for length or height adjustment. A reversal, ie, a protruding from the inner tube outward, engaging in a complementary recess of the connecting element positive locking element is possible within the scope of this embodiment of the invention. The interlocking element holds the connecting element in the axial direction and / or in the circumferential direction on the inner tube of the prop. By the latter, it is possible to ensure an aligned alignment of the fastening device of the connecting element and the fastening device of the outer tube of the prop, provided that the inner tube in the outer tube rotatably and rotationally guided.
Innenrohr ein Anschlusselement befestigt ist, wie es vorstehend erläutert worden ist. (Anspruch 7).Inner tube, a connection element is fixed, as has been explained above. (Claim 7).
Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:
- Figur 1
- eine teleskopierbare Baustütze in einer Querschnittdarstellung;
Figur 2- ein Anschlusselement in Stirnansicht befestigt an einem Innenrohr der Baustütze aus
Figur 1 ; und Figur 3- das
Anschlusselement aus Figur 2 in perspektivischer Darstellung in offenem Zustand.
- FIG. 1
- a telescopic prop in a cross-sectional view;
- FIG. 2
- a connection element in front view attached to an inner tube of the prop
FIG. 1 ; and - FIG. 3
- the connection element
FIG. 2 in perspective in open condition.
Die in
Das Außenrohr 2 ist innen zylinderförmig zur verschiebbaren Aufnahme und Führung des Innenrohrs 3 und außen achteckig. Es weist vier T-Nuten 6 zur Befestigung von Aussteifungen auf. Auch eine andere, insbesondere größere Anzahl T-Nuten ist möglich, beispielsweise acht T-Nuten. Dadurch sind die Winkelabstände von T-Nut zu T-Nut kleiner (nicht dargestellt). Beispielhaft ist ein Bruchstück eines Rahmens 7 als Aussteifungselement dargestellt. Mit der Bezugszahl 7 ist genau genommen ein Ende eines Rohrs bezeichnet, das eine Traverse des Rahmens 7 bildet. Die Befestigung erfolgt mit in die T-Nuten 6 eingreifender Hammerkopfschrauben 8. Der beispielhaft dargestellte Rahmen 7 ist ein Gitterrohrrahmen mit Schuhen 9 auf beiden Seiten, die im Bereich einer der T-Nuten 6 am Außenrohr 2 angesetzt werden, wobei die Schuhe 9 Kanten 10 des Außenrohrs 2 seitlich der jeweiligen T-Nut 6 übergreifen. Das ist an sich bekannt und soll an dieser Stelle nicht näher erläutert werden. Das Außenrohr 2 ist ein Profilrohr mit über seine Länge gleichbleibendem Querschnitt, das beispielsweise aus Stahl oder vorzugsweise einer Aluminiumlegierung hergestellt ist. Die Herstellung kann beispielsweise durch Strangpressen, Stangenziehen oder Stranggießen erfolgen.The
Das in
Wie gut in
How good in
Zum Schließen und Spannen weisen die Manschettenhälften 12 des Anschlusselements 11 an ihren dem Scharnier 13 gegenüberliegenden Längsrändern radial nach außen stehende Rippen 15 auf, die an ihren freien Längsrändern um 90° zur Seite stehend abgewinkelt sind. Die Rippen 15 sind dadurch im Querschnitt L-förmig, ihre Außenränder sind als Schrägen 16 ausgebildet.For closing and clamping, the sleeve halves 12 of the connecting
Die Rippen 15 sind mit an beiden Enden geschlossenen Längsschlitzen 17 für den Eingriff von Plattenmuttern 18 versehen. Die Plattenmuttern 18 weisen eine in Draufsicht näherungsweise quadratische Form auf, sie haben ein Mittelloch mit Innengewinde, in das ein Gewindebolzen 19 geschraubt ist. Durch einen Sicherungslack, einen Schweißpunkt, eine plastische Verformung oder dgl. sind die Gewindebolzen 19 drehfest mit den Plattenmuttern 18. Auf jedem Gewindebolzen 19 ist eine Schließplatte 20 angeordnet, die ein Mittelloch aufweist, durch das der Gewindebolzen 19 ragt. Die Schließplatte 20 ist in Draufsicht rechteckig, ihre Längsränder sind als Flügel 21 schräg nach außen und in Richtung des Anschlusselements 11 stehend abgewinkelt. Die Flügel 21 weisen dieselbe Schräge wie die Schrägen 16 der L-förmigen Rippen 15 der Manschettenhälften 12 des Anschlusselements 11 auf. In geschlossenem Zustand übergreifen die Flügel 21 der Schließplatten 20 die Rippen 15 an deren Schrägen 16 wie es in
Eine der beiden Manschettenhälften 12 des Anschlusselements 11 weist einen kurzen, nach innen überstehenden Zapfen auf, der ein Formschlusselement 23 bildet. Zur Befestigung am Innenrohr 3 der Baustütze 1 wird das Anschlusselement 11 so am Innenrohr 3 angesetzt, dass der das Formschlusselement 23 bildende Zapfen in eines der Löcher 5 des Innenrohrs 3 eingreift. Das Loch 5 des Innenrohr 3 bildet eine komplementäre Anschlusseinrichtung für den das Formschlusselement 23 bildenden Zapfen, in das der Zapfen formschlüssig eingreift. Dadurch ist das Anschlusselement 11 in axialer Richtung, d. h. in seiner Höhe, am Innenrohr 3 der Baustütze 1 gehalten. Außerdem richtet das Formschlusselement 23 das Anschlusselement 11 in seiner Winkellage am Innenrohr 3 aus. Da auch die Winkellage des Außenrohrs 2 in Bezug auf das Innenrohr 3 über eine nicht dargestellte Spezialmutter zur Längen- bzw. Höheneinstellung der Baustütze 1 vorgegeben ist, ist das Anschlusselement 11 deckungsgleich zum Außenrohr 2 angeordnet. Das Anschlusselement 11 ermöglicht die Befestigung eines Aussteifungselements, das am Außenrohr 2 der Baustütze 1 befestigbar ist, in gleicher Weise auch am Innenrohr 3 der Baustütze 1. In
Die Manschettenhälften 12 des Anschlusselements 11 sind Profilhalbrohre mit über ihre Länge gleichbleibendem Querschnitt. Im dargestellten Ausführungsbeispiel der Erfindung sind die Manschettenhälften 12 identisch und spiegelbildlich an ihrem Scharnier 13 zusammengesetzt. Sie bestehen beispielsweise aus Stahl oder insbesondere aus einer Aluminiumlegierung und sind ebenso wie das Außenrohr 2 der Baustütze 1 durch Strangpressen oder Strangziehen herstellbar.The sleeve halves 12 of the
Claims (4)
- A telescopic construction support with an outer tube (2) and an inner tube (3) slidable within the outer tube (2), wherein the outer tube (2) has a device (6) for fastening bracing (7), and including a connecting element (11) which is releasably fastened to the inner tube (3) of the construction support and which has a device (14) for fastening the bracing (7), characterised in that the fastening devices (6, 14) of the connecting element (11) and of the outer tube (2) of the construction support (1) have T grooves or T, L or mushroom head-shaped ribs, which are congruent and aligned with one another.
- A construction support as claimed in Claim 1, characterised in that the connecting element (11) has a cross-section matching the outer tube (2) of the construction support (1).
- A construction support as claimed in Claim 1 or 2, characterised in that the connecting element (11) is constructed in the form of an openable collar.
- A construction support as claimed in one of Claims 1 to 3, characterised in that the connecting element (11) has a form fitting element (23) for a positive engagement with a complementary connecting device (5) on the inner tube (3) of the construction support (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710001170 DE102007001170B3 (en) | 2007-01-05 | 2007-01-05 | Connecting element for mounting bracing at inner pipe of telescopic construction support, has outer pipe and inner pipe, where mounting device is provided for mounting at inner pipe of construction support |
| PCT/DE2007/002184 WO2008080377A1 (en) | 2007-01-05 | 2007-12-01 | Connector element for fastening a reinforcement piece to an interior pipe of a telescoping construction support, and telescoping construction support having such a connector element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2097595A1 EP2097595A1 (en) | 2009-09-09 |
| EP2097595B1 true EP2097595B1 (en) | 2016-06-29 |
Family
ID=39466043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07846387.4A Not-in-force EP2097595B1 (en) | 2007-01-05 | 2007-12-01 | Telescopic construction support |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2097595B1 (en) |
| DE (2) | DE102007001170B3 (en) |
| WO (1) | WO2008080377A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010027890A1 (en) | 2010-04-16 | 2011-12-01 | Harsco Infrastructure Services Gmbh | Multi-piece sleeve-like connecting element for attaching stiffeners on inner tube of e.g. vertical pipes, has stiffeners uniformly arranged in specific distance at specific angle around connecting element |
| NO333028B1 (en) * | 2010-11-08 | 2013-02-18 | Alustar As | Method of loading a support crane to a scaffold column. |
| DE102013009401A1 (en) * | 2013-06-05 | 2014-12-11 | Roland Hörnstein GmbH & Co. KG | Lifting plunger for vehicle lifts |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2324830A2 (en) * | 1975-09-19 | 1977-04-15 | Self Lock Echafaudages | PREFABRICATED SCAFFOLDING |
| GB2262562B (en) * | 1991-12-20 | 1994-10-19 | Sgb Holdings Ltd | Improvements in or relating to a shoring system |
| DE4201958A1 (en) * | 1992-01-25 | 1993-08-05 | Peri Gmbh | CARRYING FRAME |
| DE4400360A1 (en) * | 1994-01-08 | 1995-07-13 | Gerhard Dingler | support |
| GB2407842B (en) * | 2003-11-07 | 2006-03-01 | Sgb Services Ltd | Shoring system comprising a scaffold clamp |
| DE202004002593U1 (en) * | 2004-02-19 | 2004-06-09 | Wilhelm Layher Vermögensverwaltungs-Gmbh | Termination element for coupling devices of scaffolding frame e.g. for supporting concrete shuttering |
-
2007
- 2007-01-05 DE DE200710001170 patent/DE102007001170B3/en not_active Expired - Fee Related
- 2007-12-01 WO PCT/DE2007/002184 patent/WO2008080377A1/en not_active Ceased
- 2007-12-01 DE DE112007003383T patent/DE112007003383A5/en not_active Withdrawn
- 2007-12-01 EP EP07846387.4A patent/EP2097595B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| DE112007003383A5 (en) | 2009-12-03 |
| WO2008080377A1 (en) | 2008-07-10 |
| EP2097595A1 (en) | 2009-09-09 |
| DE102007001170B3 (en) | 2008-07-03 |
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