EP4056785B1 - Dispositif d'appui, élément d'appui du plafond, système de coffrage du plafond et procédé de décoffrage d'un panneau de coffrage du plafond - Google Patents

Dispositif d'appui, élément d'appui du plafond, système de coffrage du plafond et procédé de décoffrage d'un panneau de coffrage du plafond Download PDF

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Publication number
EP4056785B1
EP4056785B1 EP22155530.3A EP22155530A EP4056785B1 EP 4056785 B1 EP4056785 B1 EP 4056785B1 EP 22155530 A EP22155530 A EP 22155530A EP 4056785 B1 EP4056785 B1 EP 4056785B1
Authority
EP
European Patent Office
Prior art keywords
support
ceiling
locking element
elements
formwork panel
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
EP22155530.3A
Other languages
German (de)
English (en)
Other versions
EP4056785C0 (fr
EP4056785A1 (fr
Inventor
Wilfried Häberle
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.)
Peri SE
Original Assignee
Peri SE
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Filing date
Publication date
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Publication of EP4056785A1 publication Critical patent/EP4056785A1/fr
Application granted granted Critical
Publication of EP4056785B1 publication Critical patent/EP4056785B1/fr
Publication of EP4056785C0 publication Critical patent/EP4056785C0/fr
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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
    • 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
    • E04G11/483—Supporting heads
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • 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
    • E04G11/38—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 for plane ceilings of concrete
    • 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
    • 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
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • E04G19/003—Arrangements for stabilising the forms or for moving the forms from one place to another
    • 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
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • E04G5/165—Lintel for scaffoldings
    • 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
    • E04G11/486—Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads
    • 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
    • E04G2025/006—Heads therefor, e.g. pivotable

Definitions

  • the invention relates to a support device for a ceiling support for supporting a ceiling formwork panel.
  • the invention also relates to a ceiling support according to claim 10 and a ceiling formwork system according to claim 12.
  • the invention also relates to a method for stripping a ceiling formwork panel, which is supported by at least one ceiling prop, according to claim 13.
  • Ceiling formwork systems for producing ceilings, in particular for concreting concrete ceilings are known in various designs from the prior art.
  • Known ceiling formwork systems can, for example, have a system of steel or wooden beams on which formwork panels that form the underside of the concrete ceiling are placed.
  • the formwork panels can also be attached to a rigid substructure, usually made of steel or aluminum beams.
  • a substructure with a formwork panel attached thereto is generally referred to as a panel or as a ceiling formwork panel.
  • the slab formwork panels can also be made of a polymer.
  • the ceiling formwork panel is usually supported by means of support elements, in particular ceiling props.
  • ceiling supports are often telescopic so that the ceiling support can be adjusted to different heights.
  • Extensions are also known from the prior art, which can be mounted on an upper end of the ceiling support, usually on an adapter slat located there.
  • So-called support heads are formed or mounted at the upper end of the ceiling support or at the upper end of the extension of the ceiling support.
  • the support heads can be integral with the ceiling support or an extension of the ceiling support, but it is usually provided that the support heads are detachably mounted.
  • the prop heads extend the slab props axially in the direction of the concrete slab to be created.
  • the support heads are designed in such a way that they act on the ceiling formwork panels, preferably can hook into suitable structures that are present there, as a result of which such ceiling formwork systems can be set up quickly.
  • the slab formwork system formed by the slab formwork panels and the slab props is under load.
  • this load means that the ceiling formwork panels can only be loosened with difficulty.
  • a spindle device which the ceiling supports typically have, can be used to lower the ceiling supports and thus to lower the support head.
  • a method for stripping a ceiling formwork panel is known, for which reference is made in particular to the description of FIGS. 1a to 1f.
  • a support head with lowerable support height for a ceiling support is also known.
  • support heads which can be pivoted according to the desired inclination of the concrete slab and can be fixed in the pivoted position.
  • support heads which can be pivoted according to the desired inclination of the concrete slab and can be fixed in the pivoted position.
  • ceiling formwork panels in particular large-panel ceiling formwork
  • the ceiling formwork panels can be swiveled upwards from a safe position from a lower level. After swiveling up, the ceiling formwork panel is then supported by a ceiling prop with a suitable support head.
  • a side edge of the ceiling formwork panel to be swiveled up is hooked onto a ceiling support that has already been erected.
  • the ceiling formwork panel can then be swiveled up with a formwork aid, which is generally a telescopic rod.
  • the formwork for the slab formwork panels is stripped downwards, since stripping upwards is not possible due to the concrete slab.
  • the ceiling supports In order for the formwork to be removed from the ceiling formwork panels, the ceiling supports must first be lowered at least along one side edge of the ceiling formwork panels to such an extent that they no longer engage in the ceiling formwork panels.
  • a problem when stripping ceiling formwork panels is that when the ceiling formwork panels are pivoted away or pivoted down, the supporting heads of the ceiling props, which were previously lowered, are in the pivoting path. This makes it difficult to simply and safely dismantle the slab formwork panels.
  • the prop heads are usually lowered by the spindle mechanism of the floor props.
  • the spindle travel is limited and is generally not sufficient to completely remove the support head from the pivoting path of the ceiling formwork panels.
  • unscrewing is such that the support head is no longer in the pivoting path of the ceiling formwork panels, strenuous and time-consuming.
  • EP 3 401 463 A1 discloses a support device for a ceiling prop for supporting a ceiling formwork panel, the support device having a support element which can be pivoted between a working position and a tilted position, the support element supporting the ceiling formwork panel in the working position.
  • the present invention is therefore based on the object of creating a support device for a ceiling prop for supporting a ceiling formwork panel, which allows simple and safe stripping or simple and safe dismantling of the ceiling formwork panel.
  • the present invention is also based on the object of creating a ceiling prop that enables a simple and safe stripping or a simple and quick dismantling of a ceiling formwork panel.
  • the invention is also based on the object of creating a ceiling formwork system which enables simple and safe stripping or simple and safe dismantling of a ceiling formwork panel.
  • the present invention is based on the object of providing a method for stripping a ceiling formwork panel, with which the ceiling formwork panel can be easily and safely stripped or dismantled.
  • the support device according to the invention for a ceiling prop for supporting a ceiling formwork panel has at least one upper elongate support element and one lower elongate support element.
  • the support elements are pivotally connected to one another, the support elements being able to be brought into a working position in which the support elements are preferably aligned coaxially with one another, and the support elements being pivotable into a tilted position in which the support elements are tilted by a tilting angle with respect to one another.
  • a locking element is provided, which secures the support elements against pivoting in the working position, with the locking element bridging a connecting region between the two supporting elements in the working position.
  • the locking element can be brought into a release position in which the locking element is arranged outside of the connection area.
  • the ceiling support can in particular be a scaffolding post or a vertical post.
  • the ceiling support can also have a scaffolding post or a vertical post as a component.
  • a support device for a ceiling prop is designed in such a way that it has at least one upper elongated support element and one lower elongated support element which are pivotably connected to one another.
  • This makes it possible to align the support device in a working position in such a way that it can absorb the weight forces that arise when creating a concrete slab, in particular when concreting a concrete slab, in the usual way.
  • the support elements in the working position are preferably aligned parallel, in particular coaxially, to one another, so that the forces that occur can be advantageously transmitted.
  • the support elements are generally aligned in such a way that they run coaxially to the longitudinal axis of the ceiling support.
  • the supporting elements are aligned orthogonally to the underside of the ceiling to be produced and are therefore also aligned orthogonally to the underside of the ceiling formwork panels. If a sloping ceiling is to be produced, it can preferably be provided that the support elements are not aligned orthogonally to the ceiling to be produced or the underside of the ceiling formwork panels, but run at an angle to the orthogonal. However, the support elements are preferably aligned coaxially with the ceiling support, which is preferably placed orthogonally on a plane which is located below the ceiling to be constructed.
  • the support elements are connected to one another in such a way that the support elements can be pivoted into a tilted position.
  • the upper elongate support element is swung out. This makes it possible to pivot a support head, which is connected to the upper elongate support element, in such a way that the support head is no longer in the pivoting path of the ceiling formwork panels when they are pivoted downwards for the purpose of stripping.
  • the elongate support elements are secured against pivoting in the working position.
  • a locking element is provided according to the invention, which secures the support elements against pivoting.
  • the locking element bridges a connecting area between the two support elements in the working position. This reliably prevents the support elements from pivoting unintentionally into the tilted position. Furthermore, the stability of the two support elements in the working position is supported by bridging the connection area.
  • Bringing the supporting elements into a tilted position in particular by tilting the upper supporting element by a tilting angle relative to the lower supporting element, can be achieved in a simple manner according to the invention by arranging the locking element outside of the connection region, preferably by displacing it accordingly.
  • the result of this is that the locking element no longer covers the connection area, as a result of which the two support elements can be pivoted relative to one another, for example using a corresponding joint.
  • connection area is to be understood within the scope of the invention in particular that the locking element does not prevent pivoting of the support elements relative to one another or that the locking element does not intersect a plane of the connection area.
  • the locking element is preferably displaced in such a way that it is located above the connection area and preferably extends no further downwards than the upper support element. This solution has the advantage that the locking element does not move independently into the release position.
  • the locking element is located below the connection area in the released position, preferably in such a way that the locking element does not extend further upwards in the direction of the connection area, like the lower support element.
  • the locking element performs a movement that runs parallel to the longitudinal axis of the upper support element and/or the longitudinal axis of the lower support element, with the longitudinal axes of the support elements preferably being aligned coaxially with one another in the working position.
  • the locking element In order to bring the locking element into a release position, it is also conceivable for the locking element to be constructed in two parts, with a first locking part being pushed upwards and a second locking part being pushed downwards in order to arrange the locking element as a whole outside of the connection area. In this solution it can be provided in the working position that the first locking part locks with the second locking part.
  • the support device is designed to be pivotable or pivotable away, it is possible to pivot the ceiling formwork panels away without colliding.
  • the support device according to the invention also simplifies shuttering or assembly of the ceiling formwork panels from below by prior pivoting away of the support device or the upper elongate support element. This means that shuttering from below can be carried out effectively, efficiently and safely.
  • the shuttering and shuttering of the slab formwork panels can thus be carried out from a safe position from below.
  • the locking element in the working position extends from a lower end area of the upper support element to an upper end area of the lower support element and thereby bridges the connection area.
  • connection area can be bridged in a particularly advantageous manner, which prevents the upper support element from being accidentally pivoted out of the working position and also the support elements in the Working position can be additionally stabilized.
  • the locking element rests at least in sections on an inner wall and/or an outer wall of the support elements in the working position.
  • the locking element is in close contact with the inner wall and/or the outer wall of the support element.
  • the support elements are particularly advantageously stabilized.
  • the locking element can be designed in such a way that it surrounds the two support elements on the outside or bears against the outer walls of the support elements.
  • the locking element can, for example, be rod-shaped or plate-shaped and can surround the support elements on the outside.
  • the locking element can have one or more locking members, for example several rod- or plate-shaped members. If necessary, the locking members can also be connected to one another, for example in order to form a cage which encompasses the support elements on the outside. In a particularly advantageous embodiment, which is explained in more detail below, it can be provided that the locking element is tubular or sleeve-shaped, for example as a support sleeve or sliding sleeve.
  • the locking element bears against an inner wall of the support elements.
  • the support elements can be tubular, for example.
  • the locking element can be arranged within the tubular support elements.
  • one or both support elements have a slot through which an operating part, which is connected to the locking element arranged inside the tubular support elements, protrudes in order to move the locking element along the longitudinal axes of the support elements, in particular upwards and downwards , to move.
  • the locking element forms a guide with the support elements in order to move the locking element between the working position and the release position in a guided manner.
  • the locking element and the support elements are designed in such a way that they form a guide in order to be able to move the locking element in a guided and defined manner from the working position into the release position.
  • This can be a rail guide or a linear guide, for example.
  • other configurations, in particular form-fitting configurations, are also possible, which enable a defined displacement of the locking element, preferably along the longitudinal axes of the support elements, in particular coaxially, from the working position into the release position.
  • the outer diameters of the support elements are essentially identical, preferably identical, at least in the end areas adjoining the connection area.
  • the support elements have an identical outer diameter or an identically designed outer circumference. It is particularly advantageous if the support elements have an identical outer diameter at least in the end areas in which they adjoin the connection area, ie the upper end area of the lower support element and the lower end area of the upper support element.
  • the loads can thus be advantageously absorbed and the locking element can also be moved particularly advantageously, in particular if this is designed in such a way that the locking element bears against the outer walls of the support elements, preferably circumferentially.
  • the support elements it is also possible for the support elements to have different outer diameters. Provision can be made here, for example, for the lower support element to have a larger outside diameter than the upper support element.
  • the locking element encompasses the support elements on the outside, it can be provided that the locking element is designed as a sleeve which has two different outer diameters, so that in the working position the sleeve sits on the shoulder of the lower support element formed by the increase in diameter and after can be displaced up in the direction of the upper support member in the release position.
  • the outside diameter of the connecting area is the same as or smaller than the outside diameter of the lower end area of the upper support element and/or the upper end area of the lower support element.
  • connection area is the same size as or smaller than the outer diameter of one of the support elements or preferably both support elements, the locking element can be brought into the working position in a particularly simple manner in such a way that the locking element closes the connection area between the two support elements bridged or covered.
  • the lower support element is a lower support tube and/or the upper support element is an upper support tube.
  • the support elements are designed as support tubes, that is to say tubular.
  • the lower support element is thus preferably designed as a lower support tube and the upper support element as an upper support tube.
  • support elements are support tubes.
  • the features that are shown with regard to the support tubes can also be provided as support elements in the case of a general design of the support tubes, unless this is structurally excluded.
  • features that are mentioned with regard to the support elements are particularly and particularly advantageously suitable if the support elements are support tubes.
  • the locking element provided according to the invention can be used in a particularly advantageous manner with support tubes, both in such a way that the locking element bears against an inner wall of the support tubes—at least in sections—and in such a way that the locking element bears on an outer wall of the support tubes—at least in sections , to secure the support tubes against unintentional swiveling in the working position.
  • the locking element is a displaceable support sleeve.
  • a design of the locking element as a displaceable support sleeve has proven to be particularly suitable.
  • a support sleeve can be designed in a simple manner in such a way that it bridges the connection area in the working position and can be displaced from there into a release position.
  • the support sleeve can also be designed in a simple manner in such a way that at least sections of it bear against the outer walls of the end regions of the support elements in order to stabilize the support tubes in relation to one another in the working position.
  • the formation of a guide between the locking element and the support elements in order to move the locking element between the working position and the release position is also possible in a simple manner.
  • the use of a support sleeve is particularly advantageous if the support elements are support tubes.
  • the support sleeve is preferably designed as a sliding sleeve.
  • the support sleeve in the working position encompasses the lower end area of the upper support tube and the upper end area of the lower support tube at least in sections on the outside, preferably fitting snugly.
  • a design of the support sleeve such that it encompasses the lower end area of the upper support tube and the upper end area of the lower support tube at least in sections on the outside has proven to be particularly suitable.
  • the inner wall of the support sleeve preferably rests closely against the outer walls of the support tubes, so that these are stabilized, particularly in the working position.
  • the support sleeve is displaceable coaxially with respect to the upper support tube and/or the lower support tube in order to bring the support sleeve into the release position.
  • the support sleeve and the support tubes are designed in such a way that the support sleeve can be moved or brought from the working position to the release position by a movement that runs coaxially to the support tubes, i.e. along the longitudinal axes of the support tubes is. Such a movement can also be carried out particularly easily for the user.
  • the lower support tube has a stop, preferably a stop ring, on which a lower front end of the support sleeve rests in the working position.
  • a stop in particular a stop ring or at least a partially ring-shaped stop segment, which runs completely around the lower support tube on the outside, has proven to be particularly suitable for reliably defining the position that the support sleeve should assume in the working position.
  • the stop can also advantageously be designed as a partially ring-shaped stop segment, particularly if the lower support tube has a cross section that deviates from the circular shape, it also being possible for several stop segments to be provided.
  • the support sleeve has an operating element, for example a projection, an overhang or preferably an operating ring, which runs around the support sleeve on the outside, preferably in the shape of a ring or part of a ring, so that an operator can operate the support sleeve particularly easily, in particular coaxially from the working position can move to the release position.
  • an operating element for example a projection, an overhang or preferably an operating ring, which runs around the support sleeve on the outside, preferably in the shape of a ring or part of a ring, so that an operator can operate the support sleeve particularly easily, in particular coaxially from the working position can move to the release position.
  • the tilting angle between the upper support element and the lower support element in the tilted position is 5 to 90 degrees, preferably 10 to 80 degrees, more preferably 15 to 70 degrees and particularly preferably 20 to 60 degrees, very particularly preferably 20 to 45 degrees, in particular 30 to 35 degrees, in particular 32.5 degrees.
  • the aforementioned values for the tilting angle in particular an angle of 30 to 35 degrees, have proven to be particularly suitable in order to ensure that a support head, which is formed on the upper support tube or can be attached to the upper support tube, is out of the pivoting path of the slab formwork panels can be swung out.
  • the support device is designed in such a way that the support tubes can only assume two stable positions, the first position being the working position, which is secured by the locking element, in particular the support sleeve, and the second position being the tilted position.
  • the two support tubes are either in the working position or are pivoted out to the maximum and assume the tilted position, with the tilting angle relative to the working position being particularly preferably between 30 and 35 degrees, in particular 32.5 degrees.
  • an upper front end of the lower support element has a bevel.
  • an upper front end of the lower support element in particular in an embodiment as a support tube, has a bevel, ie an angle cut.
  • the bevel or angle cut makes it possible to bring the upper support element, in particular an upper support tube, from the working position into the tilted position in a particularly simple manner.
  • a lower front end of the upper support element can rest against the bevel of the upper front end of the lower support tube in the tilted position. This results in stable positioning of the support tubes in the tilted position.
  • the bevel is designed in such a way that 40% to 90%, preferably 50% to 90%, in particular 50% to 75%, of the upper front end of the lower support element is provided with a bevel.
  • the pivoting movement between the support tubes can be implemented, for example, by a rotary joint, a ball joint, a hinge or the like. In a special way, it can also be suitable if the pivoting movement is realized by a slotted guide.
  • the support tubes are pivotably connected to one another via a pivot.
  • connection of the support tubes via an axis of rotation has proven to be particularly suitable, since a defined movement that is also not susceptible to damage can be implemented in this way.
  • one of the support tubes has bores, preferably elongated holes, in order to fix the axis of rotation.
  • Fixing the axis of rotation in bores, preferably oblong holes, in a support tube has proven to be particularly suitable for achieving reliable and safe pivoting of the support tubes.
  • the formation of the bores as elongated holes makes it possible in an advantageous manner that a lifting movement can also be carried out when the upper support tube is pivoted from the working position into the tilted position. This facilitates the pivoting process.
  • the elongated holes enable or support an advantageous pivoting of the upper support tube in relation to the lower support tube. To do this, the upper support tube is moved vertically a little or a small distance along the length of the elongated holes, resulting in a height difference compensation when tilting.
  • the slotted holes also prevent forces from being transmitted to the axis of rotation passed through the slotted holes.
  • the axis of rotation always has vertical play in the elongated holes.
  • the axis of rotation is arranged in the elongated holes in such a way that no forces, in particular no pressure forces, act on it when the support head is in the working position, ie is not pivoted.
  • the axis of rotation and the elongated holes are therefore designed in such a way that the axis of rotation has vertical play in the elongated holes in the working position upwards and preferably also downwards.
  • the axis of rotation is preferably designed as a bolt.
  • a connecting element is fixed to one of the support tubes, preferably to an inner wall of the support tube, and the connecting element has one or more bores through which the axis of rotation fixed to the other support tube is guided in such a way that the connecting element the axis of rotation can be pivoted.
  • the connecting element can have any suitable shape, preferably such that the connecting element can be fixed to an inner wall of the support tube, preferably such that the connecting element can be fixed to two opposite inner wall sides of the support tube.
  • the connecting element and the support tube can have corresponding fastening bores, with the aid of which the connecting element can be connected to the support tube.
  • the connecting element can preferably be a profile element, in particular with a design that is essentially rectangular in cross section, wherein the outer contour can optionally be adapted to the curvature of the inner wall of the support tube, for which it can be sufficient if the longitudinal running side edges of the connecting element are flattened or provided with a radius.
  • the connecting element can preferably be tubular.
  • an outer contour of the connecting element is adapted at least in sections to an inner contour of the upper support element, preferably in such a way that the outer contour bears against the inner contour of the upper support element at least in two sections, preferably in three sections, preferably in such a way that at least 5% of the outer contour of the connecting element bears against the inner contour of the upper support element.
  • the aforementioned configuration has proven to be advantageous in order to realize a secure connection of the connecting element to the upper support element. Provision can be made for the outer contour of the connecting element and the inner contour of the upper support element to be designed in such a way that the connecting element is secured against rotation in the upper support element.
  • the connecting element has at least two, preferably exactly two, parallel and spaced apart surfaces, in each of which one of the bores is introduced in such a way that the bores guide the axis of rotation in a defined manner.
  • the connecting element can also be designed as a hinge or as a T-profile.
  • an outer circumference of the lower support tube and/or an outer circumference of the upper support tube and an inner circumference of the support sleeve have a circular cross-section or a non-circular cross-section, preferably a lemon-shaped cross-section (lemon shape), a rectangular cross-section, a triangular cross-section, a triangular lemon-shaped cross-section, a star-shaped cross-section or a polygonal cross-section.
  • a configuration of the lower support tube and the upper support tube as well as the support sleeve in such a way that they have a circular cross section can be achieved in a particularly simple and cost-effective manner.
  • the outer circumference of the lower support tube and/or the outer circumference of the upper support tube and the inner circumference of the support sleeve have a cross section that deviates from the circular shape.
  • the non-circular cross-section may preferably be a lemon-shaped cross-section.
  • an elliptical cross section any desired polygonal cross section, in particular a triangular cross section, or a quadrangular cross section, in particular a rectangular cross section, is also possible.
  • the outer diameter of the upper support tube and/or the lower support tube with a circular cross section is 40 to 80 mm, preferably 40 to 70 mm, in particular 40 to 60 mm, preferably 50 mm +/- 2 mm, or in the case of a non-circular cross-section, the length of a long axis of the cross-section of the upper support tube and/or the lower support tube is 40 to 80 mm, preferably 40 to 70 mm, in particular 40 to 60 mm, preferably 51 mm +/- 2 mm and the length of a short axis of the cross section is 5 to 25 mm shorter, preferably 17 mm +/- 2 mm.
  • the wall thickness of the upper support tube and/or the wall thickness of the lower support tube and/or the wall thickness of the support sleeve is 2 to 8 mm, in particular 3 to 6 mm, preferably 3 to 5 mm, in particular 3.5 to 4 is 5 mm.
  • the support tubes together have a length of 200 to 600 mm, preferably 300 to 500 mm, in particular 350 to 450 mm.
  • the aforementioned values for an overall length of the upper and lower support tubes have proven to be particularly suitable.
  • the above values are also generally suitable for an upper support element and a lower support element.
  • the length of the upper support tube is at least 1.5 times, preferably 2 times, the length of the lower support tube and/or the length of the upper support tube is less than 4 times, preferably is less than 3 times the length of the lower support tube.
  • the aforementioned values have also turned out to be particularly suitable for ensuring the most stable possible construction of the support device and for enabling the upper support tube to be pivoted out in such a way that a support head is no longer in the pivoting path of the floor formwork panel when it is being shuttered or shuttered.
  • the lower support tube is designed as a support foot, that is, in addition to a tubular design, a preferably plate-shaped support is also provided.
  • the plate-shaped support can be welded to the support tube or connected in some other way, preferably with a material fit.
  • a one-piece design is also possible.
  • the plate can have holes with the help of which the plate and thus the support leg can be easily and detachably fixed to the top of a ceiling support.
  • the plate can thus be designed as an adapter surface or as an adapter element.
  • a spindle device is provided in order to change the overall length of the support device and the ceiling support.
  • Spindle devices for changing the length of a ceiling support are known in principle from the prior art. In particular, this can involve so-called head spindles.
  • the spindle device can be formed both on the ceiling support and on the support device or also on an extension of the ceiling support.
  • the function of the spindle device is to change the overall length of the support device and the ceiling support, in particular to ensure that a support head fixed to the support device can be raised and lowered, in particular to bring it into engagement with the ceiling formwork panels.
  • an upper end area of the upper support element has an upper adapter element for releasably fixing a support head for the ceiling formwork panel or if a support head for the ceiling formwork panel is formed on an upper end area of the upper support element.
  • an upper end area of the support element has an upper adapter element to which a support head for the ceiling formwork panel can be fixed.
  • the upper adapter element can preferably be designed in the form of a plate and preferably have a plurality of bores to which the correspondingly designed support head can be fixed.
  • This solution makes it possible with the support device to use different support heads.
  • the support heads can be designed for the corresponding intended task and in particular can be adapted to the corresponding ceiling formwork panel.
  • the support heads can be, in particular, a support head made of steel or polymer, but also a so-called lowering head, preferably made of steel.
  • the support head is formed in one piece with the upper end area of the upper support element, ie the support head is permanently connected to the upper end area of the upper support element.
  • a lower end region of the lower support element has a lower adapter element for detachable attachment to the ceiling support or if the ceiling support, an extension of the ceiling support or a spindle device is formed on a lower end region of the lower support element.
  • the lower end region of the lower support element has a lower adapter plate, with the aid of which the lower support element can be detachably fastened to the ceiling support.
  • the lower adapter element can preferably be designed as a plate.
  • the lower support element is designed as a support foot and thus already has the lower adapter element.
  • the lower adapter element makes it possible to connect the support device to a ceiling support and to disconnect it again as required.
  • the ceiling support an extension of the ceiling support or a spindle device, for example a head spindle, is designed in one piece or cannot be detached from a lower end region of the lower support element.
  • the support device is designed as an adapter and/or as an attachment for a detachable connection to an upper end of the ceiling support.
  • This solution has proven to be particularly suitable for using the support device as required and connecting it accordingly to a ceiling support.
  • the support device is designed as an adapter and/or as an extension or as an attachment for the detachable connection with a support head.
  • the support device can thus be connected to a support head or detached from it again as required.
  • the support device has a support head or the support head is part of the support device.
  • the ceiling support is a scaffolding post or a part of the ceiling support is formed by a scaffolding post.
  • the present invention also relates to a ceiling prop with a support device according to one of Claims 1 to 9, the support device preferably having one or more of the aforementioned features.
  • the support device is detachably fixed to an upper end of the ceiling prop or is designed in one piece with the ceiling prop.
  • the ceiling support has a spindle device or a spindle device is provided in order to raise or lower the support device.
  • the present invention also relates to a ceiling formwork system having at least one ceiling formwork panel, at least one ceiling prop and at least one support device for the ceiling prop according to one of claims 1 to 9, wherein the support device preferably has one or more of the aforementioned features.
  • the invention also relates to a method for stripping a ceiling formwork panel that is supported by at least one ceiling prop, after which the ceiling prop is first lowered by means of a spindle device to such an extent that a support head, to which the ceiling prop is connected via a pivotable support device, disengages from the ceiling formwork panel is brought, after which the support head is then pivoted by means of the support device by a tilting angle in such a way that the support head is not in a pivoting path of the ceiling formwork panel when it is about a pivot axis that runs along a side edge of the ceiling formwork panel that is not adjacent to the ceiling support is pivoted below.
  • the method according to the invention has turned out to be particularly suitable for demoulding a ceiling formwork panel safely and reliably.
  • the method according to the invention can also be used to mount a ceiling formwork panel from below or to enclose it.
  • the support head is first pivoted or tilted away, then the ceiling formwork panel is pivoted up. After the ceiling formwork panel has been pivoted up, the support head is then in a working position pivoted and brought into engagement with the ceiling formwork panel preferably by a spindle device.
  • the support device which carries the support head, can preferably be designed in such a way as was described above with regard to the support device according to the invention.
  • a locking element which bridges a connecting area between an upper support element and a lower support element, is moved from a working position in which the locking element secures the support elements against swiveling to a release position in which the Locking element is arranged outside of the connection area, preferably such that the locking element is displaced coaxially to the support elements.
  • the support elements are preferably support tubes of the type already described above.
  • the upper support element is pivoted about an axis of rotation fixed to the lower support element in order to bring the upper support element into the tilted position.
  • the method according to the invention for stripping a ceiling formwork panel can preferably have one or more of the following work steps.
  • a left ceiling support and with it a support device is lowered by 10 to 50 mm, preferably by about 25 mm, preferably by means of a spindle device, in particular having a spindle nut.
  • a right-hand ceiling support and with it a support device are moved by 25 mm to 100 mm, preferably 35 mm to 70 mm, particularly preferably 40 mm to 55 mm, in particular by approx. 50 mm, using a spindle device, preferably having a spindle nut , lowered.
  • the lowering can also take place over a longer distance, for example up to 500 mm, but this is not preferable, since a spindle over a smaller distance is advantageous.
  • the right-hand side of the ceiling formwork panel is lifted again using a formwork aid, preferably until the edge of the panel touches the concrete ceiling.
  • a formwork aid preferably until the edge of the panel touches the concrete ceiling.
  • a support sleeve of the released support device is pushed upwards in such a way that the support sleeve is in the release position. This makes it possible to swivel away an upper support tube or the support head.
  • the support head or the upper support tube is pivoted by applying a force, in particular a horizontal force, in the direction "away from the switched-on ceiling formwork panel" up to the tilted position or up to a stop.
  • the support head is pivoted outwards to such an extent that the support head is preferably no longer located below the ceiling formwork panel, which is to be lowered or pivoted away after the support head has been pivoted away. At least the support head is pivoted outwards far enough that it is no longer in the lowering or pivoting path of the ceiling formwork panel.
  • the slab formwork panels are pivoted into a vertical position using the formwork aid.
  • the pivoting movement of the ceiling formwork panel takes place about a pivot axis that runs along a side edge of the ceiling formwork panel that is not adjacent to the ceiling support whose support device was pivoted into the tilted position.
  • the pivot axis results in a known manner from the fact that the ceiling formwork panels are usually attached to at least one, in which two or more ceiling props are suspended, in the exemplary embodiment on two left-hand ceiling props, namely a front left ceiling prop and a rear left ceiling prop, which together share a pivot axis provide when the right ceiling prop, usually two right ceiling props, namely a front right ceiling prop and a rear right ceiling prop, as described above, lowered and their support means are swung out.
  • the measures described above are usually carried out on two left-hand ceiling props and two right-hand ceiling props.
  • the above measures can also be carried out on two rear and two front ceiling props.
  • Ceiling formwork panels usually have a rectangular shape, preferably with a side length of 2 m by 1 m.
  • a ceiling formwork panel can be swiveled out both on the short side and on the long side, which means that the swivel axis runs both on a short side of the rectangular ceiling formwork panel and on a long side of the ceiling formwork panel.
  • the support heads of the ceiling props that are not adjacent to the pivot axis are tilted outwards, as described above, in such a way that they are not in the pivoting path when the ceiling formwork panel is pivoted down.
  • there are two ceiling props the support heads of which are swiveled out accordingly, but it can also be provided that more than two ceiling props or just one ceiling prop are positioned on the corresponding side.
  • the method according to the invention for stripping a ceiling formwork panel has been described above with reference to the support device according to the invention.
  • the method according to the invention can be implemented with any pivotable support device that is suitable for pivoting the support head in such a way that the support head is not in a pivoting path of the ceiling formwork panel when the latter is about a pivot axis that runs along a side edge of the ceiling formwork panel. which is not adjacent to the ceiling support, is pivoted downwards.
  • the Figures 1 to 5 show a ceiling formwork system 1, in which four ceiling formwork panels 2 and a plurality of ceiling supports 3 are shown as an example.
  • the ceiling formwork panels 2 form a formwork in order to be able to produce or cast a ceiling, in particular a storey ceiling, in particular made of concrete.
  • a support device 4 according to the invention is detachably fixed to an upper end of the ceiling supports 3 in each case.
  • the support device 4 can also be designed in one piece with the ceiling support 3, in particular the upper end of the ceiling support 3.
  • each of the ceiling supports 3 shown there is provided with a support device 4 according to the invention.
  • this is optional. If necessary, ceiling supports that are not provided with a support device 4 according to the invention can also be used.
  • the ceiling supports 3 shown have a spindle device 5 in order to raise or lower the support device 4 as required.
  • spindle devices 5 are known in principle from the general state of the art and typically have a spindle nut, with the aid of which the overall length of the ceiling support 3, in particular the support device 4, can be lengthened or reduced.
  • the ceiling supports 3 have a fastening element, preferably a fastening plate, to which the support device 4 can be fixed, preferably detachably, as will be explained in more detail below.
  • a support head 6 is arranged at an upper end of the support device 4 and engages in a basically known manner in a ceiling formwork panel 2 in order to hold it in position.
  • the support head 6 is detachably connected to the support device 4 .
  • the support head 6 can also be formed in one piece with the support device 4 .
  • a possible embodiment of a support head 6 is also in figure 21 shown.
  • FIGS. 6 to 23 show two advantageous embodiments of the support device according to the invention.
  • the support head 6 can be releasably connected to the support device 4 .
  • the two exemplary embodiments are to be understood in such a way that the support head 6 can also be designed in one piece with the support device 4 .
  • the support head 6 can be part of the support device 4 .
  • the support device 4 has at least one upper elongate support element 7 and one lower elongate support element 8 .
  • the support elements 7, 8 are pivotally connected to each other.
  • the Figures 6 to 14 show a representation of the support elements 7, 8 in a working position.
  • the longitudinal axes of the support elements 7, 8 preferably run parallel to one another, so that the weight forces to be absorbed by the ceiling to be cast can be advantageously absorbed.
  • the support elements 7, 8 or their longitudinal axes are aligned coaxially with one another.
  • the supporting elements 7, 8 can be pivoted into a tilted position in which the supporting elements 7, 8 are pivoted by a tilting angle ⁇ with respect to one another.
  • the Figures 15 to 17 show a representation of the support elements 7, 8 in the tilted position.
  • FIG 5 shows how a support head 6 can be swiveled out when the support elements 7, 8 are swiveled into a tilted position relative to one another.
  • the support device 4 has a locking element 9 which secures the support elements 7, 8 against pivoting in the working position.
  • the Figures 6 to 13 and the figure 21 show the locking element 9 in the working position, in which it secures the support elements 7, 8 against pivoting.
  • the locking element 9 bridges a connection area 10 between the two support elements 7, 8 in the working position.
  • the connection area 10 or the articulated connection between the upper support element 7 and the lower support element 8 is thus formed by the locking element 9 covered that the support elements 7, 8 can not be pivoted or are not pivoted into the tilted position.
  • the locking element 9 can be brought into a release position in which the locking element 9 is arranged outside of the connection area 10, ie in which the locking element 9 no longer bridges the connection area 10 or releases it.
  • the locking element 9 is moved upwards from the working position until it has reached the release position, that is to say until the locking element 9 is outside of the connection area 10 .
  • the locking element 9 extends in the working position from a lower end area of the upper support element 7 to an upper end area of the lower support element 8 and thereby bridges the connection area 10 .
  • the exemplary embodiment also provides that the locking element 9 and the support elements 7, 8 are designed in such a way that the locking element 9 rests against an inner wall and/or an outer wall of the support elements 7, 8 in the working position.
  • the exemplary embodiment shows that the locking element 9 rests against the outer walls of the support elements 7, 8 in the working position.
  • the locking element 9 forms a guide with the support elements 7, 8 in order to move the locking element 9 between the working position and the release position in a guided manner.
  • This is preferably a linear guide that enables the locking element 9 to be displaced along the longitudinal axes of the support elements 7, 8, in particular coaxially.
  • the locking element 9 and the support elements 7, 8 are designed in such a way that, in addition to a linear guide, there is also a guide that secures the locking element 9 against twisting relative to the support elements 7, 8.
  • the outer diameters or the outer circumferences of the support elements 7 , 8 are identical at least in the end areas of the support elements 7 , 8 adjoining the connection area 10 . This makes it possible to move the locking element 9 back and forth particularly easily between the working position and the release position.
  • the exemplary embodiment also provides that the outer diameter of the connecting area 10 is the same as or smaller than the outer diameter of the lower end area of the upper support element 7 and/or the upper end area of the lower support element 8.
  • the features in the exemplary embodiment are to be understood in such a way that the support elements 7, 8 and also the locking element 9 can be designed arbitrarily within the scope of the disclosure. In the exemplary embodiment, however, a particularly preferred embodiment of the support elements 7, 8 and the locking element 9 is shown. However, the specific disclosure in the exemplary embodiment is also to be understood as a general disclosure for a configuration of the support elements 7 , 8 and the locking element 9 .
  • the upper support element is in the form of an upper support tube 7 and the lower support element is in the form of a lower support tube 8 .
  • the locking element is designed as a displaceable support sleeve 9 in the exemplary embodiment.
  • the support sleeve 9 can also be a sliding sleeve.
  • the support sleeve 9 is designed such that this in the working position, as in the Figures 6 to 13 shown, the lower end area of the upper support tube 7 and the upper end area of the lower support tube 8 at least in sections, preferably snugly.
  • the support sleeve 9 in the working position completely surrounds the lower area of the upper support tube 7 and the upper end area of the lower support tube 8 on the outside.
  • the support sleeve 9 can be displaced coaxially with respect to the upper support tube 7 and the lower support tube 8 in order to bring the support sleeve 9 into the release position.
  • the support sleeve 9 In order to be able to move the support sleeve 9 easily, it preferably has an operating element, in particular an operating ring 9a running around the outer wall of the support sleeve 9 .
  • the lower support tube 8 has a stop against which a lower front end of the support sleeve 9 rests in the working position.
  • the stop is a stop ring 11 (e.g. figure 18 ) formed, which runs around the outer circumference of the lower support tube 8 in the form of a ring or part of a ring.
  • the tilting angle ⁇ between the upper support element 7 and the lower support element 8 in the tilted position can be selected such that it is ensured that the support head 6 is pivoted far enough so that the ceiling formwork panel 2, as is the case in principle Figures 4 and 5 is shown, can be swung down. It has proven to be particularly suitable if the tilt angle ⁇ is 5 to 90 degrees, preferably 10 to 80 degrees, more preferably 15 to 70 degrees and particularly preferably 20 to 60 degrees, very particularly preferably 20 to 45 degrees, in particular 30 to 35 degrees , specifically 32.5 degrees. In the exemplary embodiment, an angle of 32.5 degrees is provided.
  • no further intermediate positions are provided between the working position and the tilted position, in which the support tubes 7, 8 are fixed or can be fixed to one another.
  • the support tubes 7, 8 are fixed to one another with the aid of the support sleeve 9.
  • the support tubes 7, 8 are in a stable position due to gravity, which can be canceled again by the upper support tube 7, preferably from Hand, is raised again, so that the upper support tube 7 is again coaxial with the lower support tube 8 and can be secured by the support sleeve 9 in this position.
  • the tilted position results from the fact that an upper front end of the lower support tube 8 has a bevel 12 or an angle cut.
  • the bevel 12 is designed in such a way that 40% to 90%, preferably 50% to 90%, in particular 50% to 75%, of the upper front end of the lower support tube 8 is not provided with a bevel 12 .
  • the bevel 12 is particularly good in the Figures 10, 11 , 16 to 18 and 22 evident. In the tilted position, a lower front end of the upper support tube 7 rests against the bevel 12, resulting in a stable positioning of the two support tubes 7, 8 in the tilted position.
  • the support tubes 7 , 8 are pivotably connected to one another via a pivot axis 13 .
  • one of the support tubes, in the exemplary embodiment the lower support tube 8 has bores 14 in order to fix the axis of rotation 13 .
  • the holes are designed as slots 14 in the embodiment.
  • the elongated holes 14 allow or support an advantageous pivoting of the upper support tube 7 relative to the lower support tube 8.
  • the upper support tube 7 is slightly or a small distance vertically along the length of the elongated holes 14, which results in a height difference compensation when tilting.
  • the elongated holes 14 also prevent forces from being transmitted to the axis of rotation 13 passed through the elongated holes 14 .
  • the axis of rotation 13 always has vertical play in the elongated holes 14 .
  • the axis of rotation 13 is arranged in the elongated holes 14 in such a way that no forces, in particular no compressive forces, act on it when the support head 6 is in the working position, ie is not pivoted.
  • the axis of rotation 13 and the slots 14 are therefore designed in such a way that the axis of rotation 13 has vertical play in the slots 14 upwards and preferably also downwards in the working position.
  • the axis of rotation 13 is preferably designed as a bolt.
  • a connecting element 15 is fixed to the other support tube, in the exemplary embodiment the upper support tube 7 .
  • the connecting element 15 is shown individually in FIG figure 20 shown.
  • the connecting element 15 is fixed to an inner wall of the support tube 7 . This is particularly in the Figures 10, 11, 13 and 16 shown, where the Figures 10, 11 and 13 one of figure 20 different design of the connecting element 15 shows.
  • the outer contour of the connecting element 15 is adapted to the radius of the inner wall of the support tube 7, for which it can be sufficient as in figure 20 shown when the longitudinal edges of the connecting element 15 are beveled or provided with a radius.
  • the connecting element 15 has one or more bores, in the exemplary embodiment exactly two bores 15a, through which the axis of rotation 13 fixed to the lower support tube 8 is guided in such a way that the connecting element 15 can be pivoted about the axis of rotation 13.
  • a link guide can also be provided for carrying out the pivoting movement.
  • the connecting element 15 has bores 15b, with the aid of which the connecting element 15 can be fastened to the upper support tube 7 .
  • the upper support tube 7 has bores 7a for attachment to the connecting element 15 .
  • FIGS. 6 to 14 and the Figures 22 to 23 show an embodiment of the support device 4, in which the outer circumference of the support tubes 7, 8 and the inner circumference of the support sleeve 9 have a non-circular cross-section, in the exemplary embodiment a lemon-shaped cross-section.
  • Other cross-sectional shapes are also possible, for example a polygonal cross-section, a rectangular cross-section, a square cross-section or a triangular cross-section.
  • the support tubes 7, 8 and the support sleeve 9 have a cross section that is not circular, preferably lemon-shaped, torsional forces resulting from twisting between the support tubes 7, 8 can be absorbed, thereby increasing the stability of the support tubes 7, 8 is improved in particular in the working position and in particular it is avoided that forces, in particular the aforementioned torsional forces, act on the axis of rotation 13, which can lead to damage there.
  • the outer diameter of the support tubes 7, 8 with a circular cross section is 40 to 80 mm, preferably 40 to 70 mm, in particular 40 to 60 mm, preferably 50 mm +/- 2 mm.
  • the cross section is not circular, in particular if the cross section is lemon-shaped, the length of a long axis of the cross section of the support tube 7, 8 can be 40 to 80 mm, preferably 40 to 70 mm, in particular 40 to 60 mm, preferably 51 mm + /- 2 mm, the length of a short axis of the cross section can be 5 to 25 mm, preferably 17 mm +/- 2 mm shorter.
  • the wall thickness of the support tubes is at least 2.5 mm, preferably at least 3 mm, in particular at least 3.5 mm. Furthermore, it can be provided that the wall thickness is preferably less than 6 mm, in particular less than 5 mm, preferably less than 4.6 mm. Wall thicknesses between 3.5 mm and 4.5 mm, in particular 4.5 mm, are particularly advantageous. These values have proven to be particularly suitable for ensuring that, despite the bevel 12 in the working position, the weight of the ceiling to be cast can be reliably absorbed.
  • the support tubes 7, 8 together have a length of 200 to 600 mm, preferably 300 to 500 mm, more preferably 300 to 400 mm, very particularly preferably 340 to 360 mm, in particular 348.5 mm + /- have 2 mm.
  • the upper support tube 7 has a length that is greater than the length of the lower support tube 8.
  • the length of the upper support tube 7 is preferably at least 1.5 times, preferably at least 1.8 times -Fold the length of the lower support tube 8. It is also advantageous if the length of the upper support tube 7 is less than 4 times, preferably less than 3 times, the length of the lower support tube 8. Is advantageous it when the length of the upper support tube 7 is 2 to 3 times, in particular 2 to 2.5 times, particularly preferably exactly 2 times the length of the lower support tube 8 .
  • the spindle device 5 is designed as part of the ceiling support 3 . In principle, however, the spindle device 5 can also be part of the support device 4 .
  • the support device 4 is designed as an adapter or as an attachment for the detachable connection to an upper end of the ceiling support 3 .
  • a lower end area of the lower support tube 8 is designed with a lower adapter element 16 for detachable attachment to the ceiling support 3 .
  • the ceiling support 3, an extension of the ceiling support 3 or a spindle section, in particular a head spindle or the spindle device 5, can be formed on a lower end region of the lower support tube 8.
  • an upper end area of the upper support tube 7 has an upper adapter element 17 for the detachable fixing of the support head 6 for the ceiling formwork panel 2 .
  • the support head 6 for the ceiling formwork panel 2 can be formed in one piece with the upper support tube 7 on the upper end region of the upper support tube 7 (not shown in the exemplary embodiment).
  • the Figures 1 to 5 show the principle of a method for stripping the ceiling formwork panels 2.
  • the ceiling props 3 are first lowered by means of the spindle device 5 so far that a support head 6 fixed to the support device 4 according to the invention, with which the ceiling prop 3 engages with the ceiling formwork panel 2 stands, is or can be brought out of engagement with the ceiling formwork panel 2 .
  • the support head 6 is then pivoted by means of the support device 4 by a tilting angle ⁇ in such a way that the support tubes 7, 8 are pivoted into the tilted position.
  • the pivoting of the support head 6 takes place in such a way that the support head 6 is not in a pivoting path of the ceiling formwork panel 2 when it is about a pivot axis that runs along a side edge of the ceiling formwork panel 2, which is not on the Ceiling prop 3 is adjacent, the support head 6 is swung out, is pivoted down.
  • the result is in figure 5 shown.
  • the spindle device 5 according to the invention with the two support tubes 7, 8 must not necessarily, but preferably, be used. Lowering can also be achieved with other support devices that allow the support head 6 to be lowered.
  • the ceiling formwork panels 2 preferably have a rectangular base area, which is usually formed by a formwork panel.
  • FIG. 1 to 5 is shown as that in figure 1 illustrated right, front ceiling formwork panel 2 can be shuttered.
  • the ceiling formwork panel 2 is pivoted around one of the long side edges, in the exemplary embodiment around the left long side edge, which represents the pivot axis of the ceiling formwork panel 2 in the context of the method.
  • the two ceiling supports 3, which support the left long side edge of the ceiling formwork panels 2 are lowered, preferably by about 20 to 30 mm, in particular 25 mm.
  • the two ceiling supports 3 are lowered, which support the right long side edge of the ceiling formwork panel 2, preferably the two ceiling supports 3 are lowered by 30 to 70 mm, preferably by 50 mm.
  • the formwork aid 18 is usually a telescoping rod with a head that is suitable for engaging the underside of the ceiling formwork panels 2 .
  • the support head 6 is disengaged from the ceiling formwork panel 2 by lowering the ceiling support 3 by preferably 50 mm and then raising the ceiling formwork panel 2 again by means of the formwork aid 18, or the support head 6 is exposed. This is in figure 4 shown accordingly.
  • the ceiling supports 3 are lowered with the aid of the spindle device 5.
  • the spindle device 5 can preferably have a head spindle.
  • the support head 6 is then pivoted by means of the support device 4 by a tilting angle ⁇ in such a way that the support head 6 is no longer in a pivoting path of the ceiling formwork panel 2 .
  • This is in figure 5 shown.
  • the pivoting path of the ceiling formwork panel 2 results from the fact that the ceiling formwork panel 2 is pivoted downwards about a pivot axis, in the exemplary embodiment the left long side edge of the ceiling formwork panel 2 .
  • FIG 5 a situation is shown in which the ceiling formwork panel 2 has already been pivoted downwards.
  • the ceiling formwork panel 2 can then be unhooked and transported away in a known manner.
  • the lowering of the support head 6 before it is pivoted by a tilting angle ⁇ can preferably be 25 mm to 500 mm, in particular 50 mm to 400 mm. It has proven particularly suitable if the lowering is by 25 mm to 100 mm, preferably 35 mm to 70 mm, particularly preferably 40 mm to 55 mm. This also allows the support head 6 to be freed and then pivoted.
  • the assembly of the ceiling formwork panel 2 or the encasing can be done in the opposite way. It is thus possible to carry out both the shuttering and the shuttering process from a safe position from below.
  • the exemplary embodiment provides for the support device 4 to be designed in the manner described above with reference to the support device 4 according to the invention.
  • the support device 4 can be operated in a particularly simple manner by pushing the support sleeve 9 upwards by hand in order to unlock the support tubes 7, 8 in the working position and then, preferably also by hand, the upper support tube 7 to pivot into the tilted position.
  • inventive method as is based on the Figures 1 to 5 described can also be carried out with a support device having a different pivoting mechanism, according to the claims.

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  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (14)

  1. Dispositif de support (4) pour un étai de plafond (3) destiné à soutenir un panneau de coffrage de plafond (2), le dispositif de support (4) présentant au moins un élément de support supérieur allongé (7) et un élément de support inférieur allongé (8), et les éléments de support (7, 8) étant reliés entre eux de manière pivotante, les éléments de support (7,8) peuvent être amenés dans une position de travail dans laquelle les éléments de support (7, 8) sont de préférence orientés coaxialement l'un par rapport à l'autre, et les éléments de support (7, 8) peuvent être pivotés dans une position de basculement dans laquelle les éléments de support (7, 8) sont pivotés l'un par rapport à l'autre d'un angle de basculement (α), un élément de verrouillage (9) étant prévu, qui empêche les éléments de support (7, 8) de pivoter dans la position de travail, l'élément de verrouillage (9) pontant dans la position de travail une zone de liaison (10) entre les deux éléments de support (7, 8), et l'élément de verrouillage (9) pouvant être amené dans une position de libération, dans laquelle l'élément de verrouillage (9) est disposé à l'extérieur de la zone de liaison (10), caractérisé en ce que l'élément de verrouillage (9) s'étend, dans la position de travail, d'une zone d'extrémité inférieure de l'élément de support supérieur (7) à une zone d'extrémité supérieure de l'élément de support inférieur (8) et enjambe ainsi la zone de liaison (10).
  2. Dispositif de soutien (4) selon la revendication 1,
    car a c t é r i s é en ce que
    l'élément de verrouillage (9) s'applique dans la position de travail au moins par sections contre une paroi intérieure et/ou une paroi extérieure des éléments de support (7, 8), l'élément de verrouillage (9) formant de préférence un guidage avec les éléments de support (7, 8) pour déplacer l'élément de verrouillage (9) de manière guidée entre la position de travail et la position de libération.
  3. Dispositif de soutien (4) selon la revendication 1 ou 2,
    car a c t é r i s é en ce que
    l'élément de support inférieur est un tube de support inférieur (7) et/ou l'élément de support supérieur est un tube de support supérieur (8) et/ou l'élément de verrouillage est une douille de support déplaçable (9).
  4. Dispositif de soutien (4) selon la revendication 3,
    car a c t é r i s é en ce que
    la douille de support (9) peut être déplacée coaxialement par rapport au tube de support supérieur (7) et/ou au tube de support inférieur (8) afin d'amener la douille de support (9) dans la position de libération.
  5. Dispositif de soutien (4) selon l'une des revendications 1 à 4,
    car a c t é r i s é en ce que
    une extrémité frontale supérieure de l'élément de support inférieur (8) présente un biseau (12), le biseau (12) étant conçu de telle sorte que 40 % à 90 %, de préférence 50 % à 90 %, en particulier 50 % à 75 %, de l'extrémité frontale supérieure de l'élément de support inférieur (8) ne soit pas pourvue d'un biseau (12).
  6. Dispositif de soutien (4) selon l'une quelconque des revendications 3 à 5,
    car a c t é r i s é en ce que
    les tubes de support (7, 8) sont reliés entre eux de manière pivotante par un axe de rotation (13).
  7. Dispositif de soutien (4) selon la revendication 6,
    car a c t é r i s é en ce que
    un élément de liaison (15) est fixé sur l'un des tubes de support (7), de préférence sur une paroi intérieure du tube de support (7), et l'élément de liaison (15) présente un ou plusieurs alésages (15a) à travers lesquels l'axe de rotation (13) fixé sur l'autre tube de support (8) est guidé de telle sorte que l'élément de liaison (15) peut pivoter autour de l'axe de rotation (13).
  8. Dispositif de soutien (4) selon l'une quelconque des revendications 3 à 7,
    car a c t é r i s é en ce que
    une circonférence extérieure du tube de support inférieur (8) et/ou une circonférence extérieure du tube de support supérieur (7) et une circonférence intérieure de la douille de support (9) présentent une section transversale différente de la forme circulaire, de préférence une section transversale en forme de citron, une section transversale rectangulaire, une section transversale triangulaire, une section transversale triangulaire en forme de citron, une section transversale en forme d'étoile ou une section transversale polygonale.
  9. Dispositif de soutien (4) selon l'une quelconque des revendications 1 à 8,
    car a c t é r i s é en ce que
    un dispositif de broche (5) est prévu pour modifier la longueur totale du dispositif de support (4) et du support de plafond (3).
  10. Support de plafond (3) avec un dispositif de support (4) selon l'une quelconque des revendications 1 à 9.
  11. Support de plafond (3) selon la revendication 10,
    car a c t é r i s é en ce que
    le dispositif de support (4) est fixé de manière amovible à une extrémité supérieure du support de plafond (3) ou est formé d'un seul tenant avec le support de plafond (3).
  12. Système de coffrage de plafond (1), présentant au moins un panneau de coffrage de plafond (2), au moins un support de plafond (3) et au moins un dispositif de support (4) pour le support de plafond (3) selon l'une quelconque des revendications 1 à 9.
  13. Procédé de décoffrage d'un panneau de coffrage de plafond (2), qui est soutenu par au moins un support de plafond (3), après quoi le support de plafond (3) est d'abord abaissé au moyen d'un dispositif à broche (5) jusqu'à ce qu'une tête de support (6), à laquelle le support de plafond (3) est relié par l'intermédiaire d'un dispositif de support pivotant (4) selon l'une des revendications 1 à 9, puisse être amenée hors de prise avec le panneau de coffrage de plafond (2), après quoi la tête de support (6) est pivotée au moyen du dispositif de support (4) d'un angle de basculement (α) de telle sorte que la tête de support (6) ne se trouve pas dans une trajectoire de pivotement du panneau de coffrage de plafond (2) lorsque celui-ci peut être pivoté vers le bas autour d'un axe de pivotement qui s'étend le long d'un bord latéral du panneau de coffrage de plafond (2) qui n'est pas adjacent à l'étai de plafond (3).
  14. Procédé selon la revendication 13,
    car a c t é r i s é en ce que
    pour faire pivoter la tête de support (6), un élément de verrouillage (9), qui enjambe une zone de liaison (10) entre un élément de support supérieur (7) et un élément de support inférieur (8), passe d'une position de travail, dans laquelle l'élément de verrouillage (9) maintient les éléments de support (7,8) est amené dans une position de libération dans laquelle l'élément de verrouillage (9) est disposé à l'extérieur de la zone de liaison (10), de préférence de telle sorte que l'élément de verrouillage (9) est déplacé coaxialement par rapport aux éléments de support (7, 8).
EP22155530.3A 2021-03-12 2022-02-08 Dispositif d'appui, élément d'appui du plafond, système de coffrage du plafond et procédé de décoffrage d'un panneau de coffrage du plafond Active EP4056785B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021106138.5A DE102021106138A1 (de) 2021-03-12 2021-03-12 Stützeinrichtung, Deckenstützen, Deckenschalungssystem und Verfahren zum Ausschalen eines Deckenschalungspaneels

Publications (3)

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EP4056785A1 EP4056785A1 (fr) 2022-09-14
EP4056785B1 true EP4056785B1 (fr) 2023-08-02
EP4056785C0 EP4056785C0 (fr) 2023-08-02

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EP22155530.3A Active EP4056785B1 (fr) 2021-03-12 2022-02-08 Dispositif d'appui, élément d'appui du plafond, système de coffrage du plafond et procédé de décoffrage d'un panneau de coffrage du plafond

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Country Link
EP (1) EP4056785B1 (fr)
CN (1) CN115075548A (fr)
CA (1) CA3152308A1 (fr)
DE (1) DE102021106138A1 (fr)
PL (1) PL4056785T3 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7014580U (de) 1969-04-26 1972-08-03 Mills Scaffold Co Ltd Stuetzrahmen einstellbarer hoehe fuer balken von baugeruesten
DD254045A1 (de) 1986-11-28 1988-02-10 Ost Bau Montage Kippbarer stuetzenkopf
JP3024923U (ja) 1995-07-07 1996-06-07 株式会社プランテス 仮設支柱用の中間ジャッキ
JPH09268754A (ja) 1996-04-01 1997-10-14 Ishikawajima Harima Heavy Ind Co Ltd 建築用足場装置およびその組立方法
DE29705696U1 (de) * 1997-02-11 1997-05-22 Meffert, Burkhard, 57641 Oberlahr Vorrichtung zur Vereinfachung der Ein- und Ausschalung von Deckenflächen im Hoch- und Tiefbau
DE102006055306B4 (de) 2006-11-23 2010-10-07 Peri Gmbh Stützenkopf für eine Deckenschalung
WO2014019029A1 (fr) 2012-08-02 2014-02-06 Form 700 Pty Ltd Élément de support de coffrage
FR3066208B1 (fr) * 2017-05-09 2019-06-14 Alphi Dispositif de liaison pour table de coffrage
DE102017210195A1 (de) 2017-06-19 2018-12-20 Peri Gmbh Stützenkopf mit absenkbarer Auflagerungshöhe für eine Schalungsstütze
DE102018203612A1 (de) 2018-03-09 2019-09-12 Peri Gmbh Absenkeinrichtung sowie Stützvorrichtung und Deckenschalung mit einer solchen Absenkeinrichtung
DE102019107430A1 (de) * 2019-03-22 2020-09-24 Peri Gmbh Anschlussleiste für Deckenschalungen

Also Published As

Publication number Publication date
DE102021106138A1 (de) 2022-09-15
CN115075548A (zh) 2022-09-20
EP4056785C0 (fr) 2023-08-02
PL4056785T3 (pl) 2024-01-22
CA3152308A1 (fr) 2022-09-12
EP4056785A1 (fr) 2022-09-14
US20220290449A1 (en) 2022-09-15

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