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WO2008080377A1 - Élément de raccordement pour fixer un renfort à un tube intérieur d'un étai télescopique, et étai télescopique pourvu d'un tel élément de raccordement - Google Patents

Élément de raccordement pour fixer un renfort à un tube intérieur d'un étai télescopique, et étai télescopique pourvu d'un tel élément de raccordement Download PDF

Info

Publication number
WO2008080377A1
WO2008080377A1 PCT/DE2007/002184 DE2007002184W WO2008080377A1 WO 2008080377 A1 WO2008080377 A1 WO 2008080377A1 DE 2007002184 W DE2007002184 W DE 2007002184W WO 2008080377 A1 WO2008080377 A1 WO 2008080377A1
Authority
WO
WIPO (PCT)
Prior art keywords
prop
outer tube
inner tube
connecting element
fastening
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.)
Ceased
Application number
PCT/DE2007/002184
Other languages
German (de)
English (en)
Inventor
Gerhard Dingler
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP07846387.4A priority Critical patent/EP2097595B1/fr
Priority to DE112007003383T priority patent/DE112007003383A5/de
Publication of WO2008080377A1 publication Critical patent/WO2008080377A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, 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
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/02Connections between parts of the scaffold with separate coupling elements
    • E04G7/06Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation

Definitions

  • connection element for fastening a stiffener to an inner tube of a telescopic prop and telescopic prop with such a connection element
  • the invention relates to a connecting element for fastening a stiffener on an inner tube of a telescopic, an outer tube and the inner tube sliding inner tube having prop with the features of the preamble of claim 1 and a telescopic prop with such a connection element with the features of the preamble of claim. 7
  • 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.
  • T-slots In the T-slots is a fastening with
  • 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 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 spaced parallel to each other erected props is smaller on the outer tubes and the inner tubes. If the stiffeners are obliquely arranged struts, the distance difference can possibly be compensated. If frames are used to stiffen the props, it is not easy to compensate for the distance. To solve this problem, it is possible to attach the stiffeners tangentially to the props.
  • said European Patent EP 0 553 665 B1 proposes to form the outer tube with hollow, longitudinally extending bulges in the cross-section 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 between 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 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 a connection element with the features of claim 1 and a telescopic prop in accordance with claim 7.
  • the invention Connection element has a device for fixing to the inner tube of the prop. 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 connection element according to the invention has a device for fastening the reinforcement, which in particular but not necessarily has the same cross section as the fastening device of the outer tube of the support for the stiffening.
  • the outer tube of the prop has a T-slot or a cross-sectionally T- or mushroom-shaped rib as a means for attaching the stiffener
  • the connecting element has a T-slot or a T-shaped or mushroom-shaped rib.
  • 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 attachment means of the connection element has the same cross section as the attachment means of the outer tube.
  • the fastening device for the stiffening of the connecting element according to the invention when the connecting element is attached to the inner tube of the prop, the same radial distance from an imaginary axis of the prop as the attachment means of the outer tube of the prop for stiffening.
  • two or more longitudinally of the props of 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.
  • connection element according to the invention props can be connected to their inner tubes with the same stiffeners as on their outer tubes.
  • the fastening device of the connecting element on an undercut for a positive, engaging behind the stiffening element.
  • the undercut is formed for example by a T-groove or a T or mushroom-shaped rib. Also, for example, an L-shaped rib with only one-sided undercut is conceivable.
  • 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 section of not more than 180 ° and which is set and fastened from one side to the inner tube of the prop
  • the collar may have, for example, two halves which extend in the circumferential direction over approximately 180 ° in each case 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.
  • fastening means of the connecting element and the outer tube of the prop are not aligned with each other but angularly offset from each other.
  • the connecting element has both with the fastening device of the outer tube aligned and angularly offset fastening means. This is possible, for example, when the connection element is not secured by positive locking in its rotational position on the inner tube of the prop.
  • angularly offset fasteners braces can be attached in different directions on the outer tube of the prop and the connection element. This allows a diagonal bracing.
  • the invention relates to a telescopic prop with an outer tube and a displaceable in the outer tube inner tube, wherein the Inner tube, a connection element is fixed, as has been explained above. (Claim 7).
  • Figure 2 shows a connection element according to the invention in front view attached to an inner tube of the prop of Figure 1;
  • FIG 3 shows the connection element of Figure 2 in a perspective view in the open state.
  • 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.
  • the connecting element 11 according to the invention shown in FIG. 3 is designed as an open collar.
  • 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.
  • the collar halves 12 of the connecting element 11 in the closed state form an octagon like the outer tube 2 of the prop 1 and have four T-slots 14 which correspond to the T-slots 6 of the outer tube 2.
  • 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 plates 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 can be seen in FIG.
  • 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 seen as in Figure 2 tighten on the inner tube 3 of the prop 1, ie fasten.
  • the connecting element 11 thus has, due to its design as an openable cuff, whose sleeve halves 12 are clamped together, a device for fastening 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 connection element 11 in the axial direction, d. H. in its height held 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, with respect to the inner tube 3 is specified 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.
  • a frame 7 is shown as a stiffening element with a hammer head screw. 8 is fastened in the T-slot 14 of the connection 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention vise à pouvoir fixer un renfort (7), par exemple un bâti, à un tube intérieur (3) d'un étai (1). L'invention fournit à cet effet un élément de raccordement (11) sous la forme d'une manchette pouvant être ouverte et pouvant être fixée sur le tube intérieur (3). Cette manchette présente une section correspondant à un tube extérieur (2) de l'étai (1), et notamment un dispositif de fixation approprié (14) pour le renfort (7). L'invention permet à un renfort (7), qui peut être fixé sur le tube extérieur (2) de l'étai (1), d'être également fixé sans modifications sur le tube intérieur (3) de l'étai (1).
PCT/DE2007/002184 2007-01-05 2007-12-01 Élément de raccordement pour fixer un renfort à un tube intérieur d'un étai télescopique, et étai télescopique pourvu d'un tel élément de raccordement Ceased WO2008080377A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07846387.4A EP2097595B1 (fr) 2007-01-05 2007-12-01 Étai télescopique
DE112007003383T DE112007003383A5 (de) 2007-01-05 2007-12-01 Anschlusselement zur Befestigung einer Aussteifung an einem Innenrohr einer teleskopierbaren Baustütze und teleskopierbare Baustütze mit einem solchen Anschlusselement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007001170.0 2007-01-05
DE200710001170 DE102007001170B3 (de) 2007-01-05 2007-01-05 Anschlusselement zur Befestigung einer Aussteifung an einem Innenrohr einer teleskopierbaren Baustütze und teleskopierbare Baustütze mit einem solchen Anschlusselement

Publications (1)

Publication Number Publication Date
WO2008080377A1 true WO2008080377A1 (fr) 2008-07-10

Family

ID=39466043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2007/002184 Ceased WO2008080377A1 (fr) 2007-01-05 2007-12-01 Élément de raccordement pour fixer un renfort à un tube intérieur d'un étai télescopique, et étai télescopique pourvu d'un tel élément de raccordement

Country Status (3)

Country Link
EP (1) EP2097595B1 (fr)
DE (2) DE102007001170B3 (fr)
WO (1) WO2008080377A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027890A1 (de) 2010-04-16 2011-12-01 Harsco Infrastructure Services Gmbh Mehrteiliges manschettenartiges Anschlusselement und teleskopierbares Vertikalrohr mit demselben
NO333028B1 (no) * 2010-11-08 2013-02-18 Alustar As Fremgangsmate for a lase en baerekrans til en stillassoyle.
DE102013009401A1 (de) * 2013-06-05 2014-12-11 Roland Hörnstein GmbH & Co. KG Hubstempel für Fahrzeughebebühnen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553665A1 (fr) 1992-01-25 1993-08-04 Peri Gmbh Echafaudage
EP0665348B1 (fr) 1994-01-08 1997-10-29 Gerhard Dingler Etai téléscopique pour la construction de bâtiments
DE202004002593U1 (de) * 2004-02-19 2004-06-09 Wilhelm Layher Vermögensverwaltungs-Gmbh Anschlusselement für Verbindungsvorrichtungen für Gerüstelemente
GB2407842A (en) * 2003-11-07 2005-05-11 Sgb Services Ltd Scaffold clamp for externally-threaded scaffold leg

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324830A2 (fr) * 1975-09-19 1977-04-15 Self Lock Echafaudages Echafaudage prefabrique
GB2262562B (en) * 1991-12-20 1994-10-19 Sgb Holdings Ltd Improvements in or relating to a shoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0553665A1 (fr) 1992-01-25 1993-08-04 Peri Gmbh Echafaudage
EP0553665B1 (fr) 1992-01-25 1996-05-15 Peri Gmbh Echafaudage
EP0665348B1 (fr) 1994-01-08 1997-10-29 Gerhard Dingler Etai téléscopique pour la construction de bâtiments
GB2407842A (en) * 2003-11-07 2005-05-11 Sgb Services Ltd Scaffold clamp for externally-threaded scaffold leg
DE202004002593U1 (de) * 2004-02-19 2004-06-09 Wilhelm Layher Vermögensverwaltungs-Gmbh Anschlusselement für Verbindungsvorrichtungen für Gerüstelemente

Also Published As

Publication number Publication date
DE102007001170B3 (de) 2008-07-03
EP2097595A1 (fr) 2009-09-09
EP2097595B1 (fr) 2016-06-29
DE112007003383A5 (de) 2009-12-03

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