HK1134529B - Slab formwork system - Google Patents

Description

Plate template system

Technical Field

The present invention relates to a sheet formwork system comprising a plurality of formwork elements including a frame body connected at its underside to a head of a vertical support.

Background

A sheet metal formwork system of this type is known from document EP 0130425a 1. The system includes a formwork panel having a C-shaped frame on its underside which hooks the head of a vertical support on a substantially vertically aligned formwork panel, the formwork panel being rotated to a horizontal position while maintaining the hook connection. In order to avoid displacement of the shelf in its longitudinal direction relative to the head of the vertical support, the base face of the C-shaped shelf is provided with an opening through which the fixing element can be fixedly connected with the head of the vertical support.

A drawback of the known sheet formwork systems is that the formwork elements mounted on the vertical supports can easily fall off the vertical supports under corresponding forces, which can lead to a great risk of accidents.

Disclosure of Invention

It is an object of the present invention to further improve such a panel formwork system as described above in order to reduce the risk of accidents.

This object can be achieved by the following solution. A panel formwork system comprising a plurality of formwork elements having a frame body connected by an underside to a head of a vertical support, wherein the head of the vertical support has an anti-lift device for fixing the formwork element frame body in a vertical direction, the head of the vertical support further comprising an additional fixing element for preventing the frame body from moving in its longitudinal direction relative to said head.

The provision of the anti-lifting means according to the invention ensures that the formwork element, once connected to the vertical support, can be substantially prevented from falling off the vertical support or being unintentionally displaced by a movement of the formwork element in a substantially upward direction or in the longitudinal direction of the frame. This advantage is particularly pronounced during the assembly or disassembly phase, where, in particular, a force component directly upwards or in the longitudinal direction of the frame body can act together with the vertical supports in the region of the formwork elements before or after the concrete is added to the slab formwork system, which force component can lead, according to the prior art, to a harmful and often dangerous lifting of the formwork elements from the vertical supports or to an unintentional displacement of the formwork elements relative to the vertical supports.

The anti-lifting device is preferably made as a first hook-shaped element which is firmly, but optionally also releasably, connected to the vertical support and which, in the formwork element assembly position, engages into a second hook-shaped element which is formed on the frame of the respective formwork element. The anti-lift device according to the invention can therefore be produced economically and efficiently, and in addition: the effect of the anti-lifting means can be achieved simply by hooking between the first and second hook-shaped elements without the need for additional parts or tools for this purpose. This has a corresponding positive effect on the removal of the sheet formwork system according to the invention.

The frame of the formwork element may have an at least partially C-shaped cross-section, which comprises two wings extending from the base surface, one of the two wings being designed as a second hook-shaped element. Since this second wing always appears in the form of a C-frame, said second hook-shaped element can now be realized in practice without any economic expenditure.

The wing of the rack designed as a second hook-shaped element may further form a support surface which at least partly serves to support the rack on the head of the vertical support, so that this wing then comprises a dual function which also improves the economy of the entire device.

The head of the vertical support comprises fixing elements each engaging into a respective recess of the support face provided at the end of the support face remote from the base face of the C-shaped frame. It is particularly advantageous if the first hook-shaped element is formed on the fixing element mounted on the head of the vertical support. Such embodiments will be explained in detail in the template illustrated in the drawings.

More preferably, the magazine body is selectively coupled with the vertical support member in two directions offset from each other by 90 °.

For example, if the recess for fixing the magazine in the longitudinal direction relative to the vertical support is not provided according to the invention on the base surface but on the support surface and in a region remote from the base surface, it is possible to mount a plurality of fixing elements on the head of the vertical support, so that the magazine can be fixed on the head of the vertical support in two directions offset by 90 ° relative to one another. The variability of the sheet metal formwork system according to the invention is thereby increased in relation to known sheet metal formwork systems in such a way that it is thereby possible to adapt the sheet metal formwork system to the individual environment in a respectively desired manner by means of the option of mounting the formwork elements on the vertical support heads.

However, one wing of the carrier body according to the invention, which serves as a support surface and as a second hook-shaped element, interacts with the vertical support, the other wing of the carrier body can be made as a contact surface for the longitudinal elements of a plurality of grid elements, on which finally a cover plate can be arranged. Alternatively, but also another wing can be made as a contact surface for the formwork panel, in which case, unlike with the grid elements, no further elements need to be provided between the frame according to the invention and the formwork panel.

The frame body used according to the invention is preferably made as an element of open cross-section. Alternatively, however, it is also possible to use a closed cross section, in which the recesses are likewise arranged in the region of the respective support surface, which is connected to the vertical support.

Preferably, the support surface of the carrier body has two, three or more recesses in each of the two mutually remote end regions of the carrier body. These multiple recesses make it possible to couple the frame body with the vertical supports at different positions throughout the longitudinal direction so as to allow for different installation situations, but at the same time to realize the lift prevention hoist according to the invention at each selected position.

The spatial spacing between each other in this connection for the at least two recesses of the support surface and the two fixing elements of the head of the vertical support is useful in order to make it possible to engage each of the two fixing elements into each of the two recesses simultaneously. In this case, the magazine can either be mounted on the vertical support via the simultaneous engagement so that it ends flush with its head or a mounting is made so that the magazine projects on both sides over the head of the vertical support. The shelves may project beyond the head of the vertical support by different lengths to fit individual circumstances when a corresponding number of pairs of recesses are provided. These different lengths can be set by selecting suitable pairs of recesses.

Even if at least two recesses are provided in the support surface at one or both end regions of the carrier, it is possible to connect the carrier to the fixing element of the head of the vertical support via only one of the two recesses. The difference in this connection is that the usual head to which the vertical support should be fixed is chosen specifically when the two shelves are longitudinally aligned with each other.

More preferably, said support surface comprises, in its end region remote from the base surface, an upwardly extending or angled flange, preferably extending parallel to said base surface, provided with a cut, in particular V-shaped, which is aligned with a recess provided in the support surface, so that said cut and said recess merge into each other. The assembly of the formwork element on the vertical support is particularly simple, since the cutting portions promote a correct positioning between the recesses provided on the support surface and the fixing elements on the respective head. In particular, the magazine provided with said flange may be positioned above the head of the vertical support so that said cut-outs in the flange are positioned directly above the respective fixing elements of said head, whereby lowering of the magazine onto said head may be carried out, in which position the fixing elements of said head are "screwed" into the cut-outs of the flange. By subsequent pivoting of the sheet metal formwork system about a pivot axis extending parallel to the longitudinal axis of the frame, the fixing element is introduced into the recess of the respective support surface in the necessary manner via the cut-out provided on the flange. The V-shaped cut-out in the flange facilitates, in particular, guiding the fixing element to the recess in the support surface, the width of the V-shaped cut-out increasing with increasing distance from the recess in the respective support surface.

It is further advantageous for the flange to comprise two, three or more respective cuts in each of the two mutually remote end regions of the holder, each of which is aligned with a recess in the respective support surface. In this case, a corresponding cut-out may be provided on the flange for each recess in the support surface, so that the introduction of the fixing element into any desired support surface recess is facilitated.

The underside of the support surface preferably extends in its assembled position obliquely upwards from the base surface, so that in particular an angle of less than 90 ° and preferably between 70 ° and 80 ° is formed between the underside of the support surface and the base surface. In this way it is achieved that the removal of the formwork element according to the invention can be carried out without difficulty, since the pivoting-out of the formwork element about an axis extending parallel to the frame body is not prevented by an upward movement of the surface area of the formwork element. This can be observed particularly clearly in fig. 5a-c as explained below.

The vertical supports may be provided with support heads comprising fixing flanges angled with respect to the respective fixing elements for engagement into the recesses of the support surface of the magazine, support planes extending perpendicularly to the longitudinal direction of the respective vertical support. In this case, the above-mentioned fixing elements for supporting the head are formed on the fixing flange. The use of an angled fixing flange is advantageous for the use of an element for supporting the head, which is in the form of the raw plate, and from which specific regions, preferably the corner regions, can be bent upwards as fixing flanges, in order to dispense with the application of a separate fixing element on the supporting head. Alternatively, however, it is also possible to produce the support head as a cast part or from plastic.

For example, each support head may be provided with eight fixing flanges extending perpendicularly with respect to the support plane of the support head.

The support plane is preferably made substantially square or rectangular and may comprise two respectively adjacent fixing flanges in each of the four corner regions, which fixing flanges all extend perpendicularly with respect to one another.

It is particularly advantageous if the fixing element, which at the same time comprises the first hook-shaped element, is formed only on a part of the fixing flange. This means that the anti-lifting device according to the invention is realized as a fixing flange only with a pair of formwork elements, the fixing elements of which are made as first hook-shaped elements. If, however, such a fixing flange is used to establish a connection between the formwork element and the vertical support, the fixing element of which is not made as a first hook-shaped element, the anti-lifting device according to the invention is dispensed directly. This must be sensible and beneficial in certain applications, for example, if necessary given a mounting position to place the formwork element on the vertical support cooperating therewith from above, so that in this case the first hook-shaped element will collide with the second hook-shaped element. Rather, such a position is made possible from above perpendicularly by the omission of the first hook-shaped element. For example, it is further necessary in certain applications to remove (strip) the sheet form directly at certain points in the interior area in order to provide a means of access in this manner. In this case, the removed formwork element must be lifted directly upwards, which is not necessary for the provision of the first hook-shaped element on the vertical support.

In this respect, it is sensible to provide at least certain support heads with both fixing lugs with and without first hook-shaped elements in order to maintain stability, since in this way the support head can be selectively used in order to realize or in practice deliberately avoid the anti-lifting means. The fixation flange of a support head extending in a first direction comprises fixation elements with first hook-shaped elements, and this will be the most preferred connection if the fixation flange of the same support head extending in a second direction perpendicular to said first direction comprises fixation elements without first hook-shaped elements.

Then, if a formwork element extending perpendicularly to said first direction is connected to such a support head, anti-lifting means are provided. However, if the formwork element extends perpendicularly to the second direction, the anti-lifting device is deliberately omitted.

Advantageously, the head comprises an engagement area for a rear side of the base face of the frame remote from the wing, the engagement surface of the engagement area extending perpendicular to the support plane. The frame is connected to a support head, the region of the fixing element or fixing flange being positioned, at the end of the assembly procedure, in the recess of the complementary support surface, while the rear face of the base face is supported at the joining regions or occupies a small space from these joining regions. These engagement regions thus prevent the fixing element from being moved out of the recess in order to ensure a reliable and defined fixing of the magazine to the support head.

A total of eight engagement regions are preferably provided, the engagement surfaces of which extend at an angle of 90 ° relative to their respective mating securing flanges. These eight engagement zones enable respective shelves, which can be arranged in two alignments angularly offset by 90 ° with respect to each other in a four-position horizontal plane, to be fixed to the support head in four different positions. Thus, globally four different shelves may be arranged at the same time at the support head, the arrangement of each individual shelf being individually selectable.

The engagement region of the support head may be formed by a separate engagement element which is subsequently connected to the support head. Preferably, however, the four engagement areas are formed by sections of the plate-shaped element substantially passing through or making up the support head, which sections are bent substantially into a U-shape and extend upwards from the support plane. Two further joining regions can each be formed by a joining flange bent upwards outside the support plane. In this case, the use of separate elements can be completely avoided and it is more possible to manufacture the entire support head from one single plate-shaped element.

The support head used according to the invention may be releasably or fixedly connected to the vertical support with which it is associated.

Advantageously, the support head may be associated with a head plate of a preferably substantially square commercial vertical support, the dimensions of the head plate and the support head being approximately the same as each other. In this connection, the support head can be pushed onto the head plate extending in a direction parallel to the head plate of the vertical support. In the assembled position, the underside of the support plane of the support head is preferably located directly on the head plate of the vertical support, so that no elements are required to extend the vertical support beyond its head plate. In this preferred embodiment, the distance between the upper side of the head plate of the vertical support and the support plane of the support head thus corresponds substantially to the thickness of the material used for the support head.

When providing a releasable connection, as already mentioned, the support head can be pushed onto the vertical support in a direction extending parallel to its support plane and is fixed there in particular by means of an elastic element fixed to the support head. This elastic element is the only element of the support head that cannot be made of one plate-shaped base element. When made of plastic, the elastic element can also be made integral with the support head.

Preferably, according to the invention, the support heads, the vertical supports and/or the end regions of the shelves are made identical to one another. This enables any desired combination of changes and avoids erroneous operation of the individual components of the sheet material template system according to the present invention.

The installation of the sheet material formwork system according to the invention can suitably be carried out particularly comfortably, in which case the vertical supports and the frame body of the formwork elements can be hooked up relative to one another in a position in which the formwork elements and the vertical supports have an angle of less than 90 °. It is preferable in this connection for the formwork elements to extend substantially parallel to the respective vertical support or for the respective vertical support on the establishment of this hook connection.

After the hooking together, the formwork elements can be pivoted and held hooked into a position in which they have an angle of approximately 90 ° with the vertical supports, so that the extension of the formwork elements in a horizontal plane can finally be used for the manufacture of concrete ceilings. The first and second hook-shaped elements are then positioned relative to one another in this position to facilitate and create a lift-prevention device benefit.

The formwork element according to the invention may for example comprise spaced-apart longitudinal elements extending parallel to each other and spaced-apart from each other, which are fixedly connected to at least one vertically extending transverse element, the upper side of which forms a contact surface for the cover plate, the upper side of the one or more transverse elements being in contact with the lower side of the longitudinal element and the lower side of the one or more transverse elements being in contact to form a support surface of the kind in question. In this case the formwork elements of the invention thus form grid elements, which are first mounted to the vertical supports, on which the cover plate or formwork panel can be applied to the grid elements.

Alternatively, but also possible, the formwork element is formed so that the cover plate is applied directly to the above-mentioned frame body, in particular on its upper side. In this case, the completed formwork panel comprises a cover plate and the frame is mounted on the vertical supports in the manner according to the invention.

Further preferred embodiments of the invention are to be construed by the claims.

Drawings

The invention will be described below with reference to the following examples and the accompanying drawings, in which:

FIG. 1 is a three-dimensional view of a section of the end of a frame used in the construction of the present invention that may be attached to the head of a vertical support;

FIG. 2 is a three-dimensional view of the head of a vertical support according to FIG. 1, which may be attached to a frame at an incline from above;

FIG. 3 is a three-dimensional view of a magazine according to FIG. 1 connected to the head of the vertical support according to FIG. 2 in a first fixing position, obliquely from above;

fig. 4 shows a view according to fig. 3, from below, obliquely, to a second fixing position;

fig. 5a-c are side views of different method steps in the connection of a magazine according to fig. 1 in each case with a head according to fig. 2;

figures 6a-c are views according to figures 5a-c, rotated 90 ° with respect to the head of the vertical support;

FIG. 7 is a three-dimensional view of the head of a vertical support attached to four shelves, two aligned shelves being perpendicular to the other two, obliquely from below; and

fig. 8 is a view according to fig. 7 in which all four carriers extend parallel to one another.

Detailed Description

The frame 2 shown in fig. 1 is made as an open elongated section element comprising a C-section with two wings extending outwardly from the base face 4, the lower wing being designed as a support face 6 for resting on the head of a vertical support. The upper wings supported by the base surface 4 serve to reinforce the diagonal braces 7, forming a support surface 8 for the underside of the longitudinal elements, which extend, for example, perpendicularly to the carriers 2, which now form the transverse elements, so that the so-called longitudinal elements form a grid element together with the carriers 2 and optionally with other transverse elements, to which a cover plate can be applied. Alternatively, the contact surface 8 can also be used directly as a contact surface for the cover plate.

In the shown holder body 2, the base surface 4 is, seen in cross-section, longer than said contact surface 8, which in turn is longer than the support surface 6. The contact surface 8 has a length which amounts to approximately twice the length of the support surface 6, but the base surface 4 has a length which amounts to approximately twice the length of the contact surface 8.

The underside of the support surface 6 does not extend parallel to the contact surface 8 but obliquely upwards in the direction of the contact surface 8. In this way, the thickness of the support surface 6 is caused to become smaller with increasing distance from the base surface 4, since the upper side of the support surface 6 facing the contact surface 8 extends parallel to the contact surface 8, unlike the lower side thereof. The advantages of this design will be explained with reference to fig. 5 a-c.

An upwardly angled flange 10 is formed at the end of the support face 6 remote from the base face 4 and extends parallel to the base face 4 in the direction of the base surface 8. Instead of the so-called angulation, a rounded transition may also be formed between the support surface 6 and the flange 10, for example so as to form a quarter circle substantially in cross-section between the support surface 6 and the flange 10. The flange 10 shown in the present embodiment is provided with two V-shaped cut portions 12, 14 spaced apart from each other in the longitudinal direction of the frame body 2, the respective widths of these cut portions 12 to 18 decreasing with increasing distance from the contact surface. The cut-outs 12 to 14 extend over the entire height of the flange 10 and merge at their lower end regions into recesses 20, 22 of the support surface 6. The width of the recesses 20 to 22 in this process approximately corresponds to the width of the V-shaped cuts 12 to 14 in their end regions facing the recesses 20 to 22. The recesses 20 to 22 extend into the support surface 6 for less than half the length of the support surface 6.

Due to their U-shaped design, the cutting sections 12 to 14 may form a "threading device" for introducing fixing elements into the recesses 20 and 22 by arranging the cutting sections 12 to 14 and the recesses 20 to 22, which threading device is particularly effective when the carrier 2 is rotated 90 ° upwards into its position in fig. 1 after being guided to the fixing elements. This rotational movement is actuated by the inclined positioning of the underside of the support surface 6.

Only one end region of the magazine 2 is shown in fig. 1. The other end region of the carrier 2, not shown, is made similarly to the one shown, so that said carrier 2 comprises in each of its two end regions two respective cuts 12 to 14 and two recesses 20 to 22.

Fig. 2 shows in a three-dimensional view a head that can be connected to the vertical support (not shown). In this connection, the head 28 is made of a steel plate, which is substantially rectangular and is bent so as to form in its central region a section 30, which is bent substantially into a U-shape, extends upwards over the entire width of said head 28, and which has on both sides in the upper region a respective outwardly projecting joining bead 31. In the process the U-shaped section 30 divides the base surface of the head 28 forming the support plane 32 into two halves of equal size between them. The magazine 2 is mounted on the head 28, and since the support surface 6 of the magazine 2 is fully supported on the support plane 32 of the head 28, as will be described below, the support plane 32 absorbs vertical forces transmitted from the magazine 2 to the vertical supports.

Spaced apart perpendicularly to the U-shaped section 30, said support plane 32 comprises respective coupling flanges 34 which are bent down in a U-shape on two end regions which are remote from one another so that receiving planes for head plates (not shown) of the vertical supports are defined between the coupling flanges 34 which extend parallel to the support plane 32 facing one another. A head plate of this type can be pushed into the coupling flange 34 in the longitudinal direction of the U-shaped section 30 until it engages two engaging elements 36 which are integrally formed as U-shaped sections and extend downwards, from there into the receiving plane for the vertical support head plate. Only one of these engaging elements 36 can be seen in fig. 1.

The resilient member is secured within the hollow space surrounded by the U-shaped section 30. The end faces 40 of the spring elements 38 are bent in the region of the openings 42 of the U-shaped sections 30 and in the region of the end faces of the U-shaped sections 30 so that the spring elements 38 can be fixed to the head 28. The spring element 38 is shaped in the process so that its middle part extends down at least up to and into the receiving plane for the head plate of the vertical support and formed between the coupling flanges 34 so that the part of the spring element 38 can snap into the head plate in the end-face hollow space of the vertical support or of the top plate of the vertical support, whereby the head 28 can be fixed in a defined position relative to the vertical support. In such a position, the two engagement elements 36 engage the edge of the head of the vertical support. When the head is pulled out of the vertical support, the elastic element deforms under the force of the movement so that, on the one hand, it guarantees the correct positioning of the head 28 with respect to the vertical support, but, on the other hand, also allows the subsequent disengagement of the head 28 from the vertical support.

The four corner regions of the support plane 32 are each bent upwards perpendicularly to the support plane 32 so that they form a total of eight fixing flanges 44-51, each extending either perpendicularly or parallel to the longitudinal direction of the U-shaped section 30. Two respective fixing flanges 51, 44; 45. 46; 47. 48; 49. 50 are positioned perpendicularly to each other and adjacent to each other, associated with respective corners of said support plane 32. The width of the fixing flanges 44 to 55 is more than about twice their height, the corner regions of the fixing flanges 44 to 55 being in each case chamfered away from the support plane 32. Each vertical edge 52, 54 of the fixing flanges 44 to 51 in the process; 56. 58; 60. 62, a first step of mixing; 64. 66 form respective fixing elements which, within the meaning of the invention, are adapted to engage into the recesses 20 to 26 of the carrier body 2. In the connection of the magazine 2 via the fixing flanges 44 to 51, only one of the two fixing elements 52 to 66 of the fixing flanges 44 to 51 is always active in each case. Each pair of retaining flanges 51, 44; 45. 46; 47. 48; 49. the arrangement of the two fixing elements 52 to 66 of 50 makes it possible to selectively connect the frame body 2 to the fixing flanges 44 to 51 in two directions offset from each other by 90 ° and extending parallel to said support plane 32.

The engagement flanges 68, 70 are bent upward outside each of the two halves of the support plane 32, and each of the two end face edges of the engagement flanges 68, 70 extending perpendicular to the support plane 32 forms an engagement surface 72, 74, 76, 78, respectively, for the rear side of the base face 4 of the magazine 2.

Four further joining surfaces 80, 82, 84, 86 are formed by the region of the U-shaped section 30, in particular by its joining bead 31, extending perpendicularly to the support plane 32. These engagement surfaces 80 to 86 are each also adapted to cooperate with the rear side of the base face 4 of the magazine body 2.

In particular, the magazine 2 can be fixed to the following pairs of mutually oppositely arranged fixing elements 52 to 66 and engagement surfaces 72 to 86:52, 80; 54. 72; 56. 74; 58. 82; 60. 84; 62. 76; 64. 78, a nitrogen source; 66. 86 of the first chamber.

According to the invention, all these fixing flanges 46, 47, 50, 51 extending perpendicularly to the longitudinal direction of the U-shaped section 30 each comprise on their fixing elements 58, 60, 66, 52 a first hook-shaped element 87 which extends in each case towards the U-shaped section 30 and, as seen from above, forms a cutout which can be engaged behind by a second hook-shaped element or by the support face 6 of the carrier 2. The other fixing elements 54, 56, 62, 64 of the remaining fixing flanges are free of the first hook-shaped element 87. In this way it is possible to: the frame 2 extending parallel to the longitudinal direction of the U-shaped section 30 and connected to the head 28 is secured against lifting from the head 28 by the first hook member 87, whereas the frame 2 extending parallel to the longitudinal direction of the U-shaped section 30 and connected to the head 28 may be lifted vertically upward from the head 28 due to the absence of the first hook member 87 on the fixing members 54, 56, 62, 64.

Fig. 3 and 4 show the head plate 88 of the vertical support 90, which is pushed into the coupling flange 34 of the head 28 in this way until the edge of the head plate 88 engages with the engagement element 36 of the head 28. The respective carrier body 2 according to fig. 1 is connected to said head 28 and the longitudinal element 92 is fixed to its contact surface 8 and extends perpendicularly to the carrier body 2. According to fig. 4, a cover plate 94 is fixed to the upper side of the longitudinal element 92 and is in turn connected to a massive formwork (bulkform) 96.

Referring to fig. 3 and 4, the frame body 2 is coupled to the head 28 such that the fixing member 52 extends into the cutting portion 12 and the recess 20 (fig. 1). At the same time, the securing element 58 extends into the cutting section 14 and the recess 22 (fig. 1). The base face 4 of the magazine 2 is supported on the engagement surfaces 80 and 82 on its rear side in the process, so that finally these engagement surfaces 80, 82 together with the fixing elements 52, 58 effectively prevent a magazine 2 from being able to move perpendicularly to its base face 4. The engagement between the fixing elements 52, 58 and the recesses 20, 22 simultaneously ensures that no movement relative to the head 28 occurs in the longitudinal direction of the frame 2.

Alternatively, the carrier 2 can also be connected to the head 28 in a position which is offset in the longitudinal direction of the carrier 2 and in which the fixing element 58 engages into the cutting section 12 or respectively into the recess 20.

In this case, as shown in fig. 3 and 4, the magazine 2 no longer extends beyond the entire support plane 32 of the head 28. But it extends only over less than half the width of the support plane 32 so that, for example, another carrier 2 can also be connected to the head 28 via the fixing element 52 so that the two carriers extend in line with one another in the longitudinal direction.

Finally, the carrier 2 can also be connected to the head 28 via its cut-outs 12, 14 or recesses 20, 22 in such a way that it extends perpendicularly to its arrangement as shown in fig. 3. In this case, the fixing element 54 will engage into one of the recesses 20, 22, the rear side of the base face 4 of the magazine being supported on the engagement surface 72 of the engagement flange 68.

Preferably, two, three or four shelves 2 may be coupled to the head 28, and each shelf 2 may be fixed between a pair of fixing members 52 to 66 and the above-mentioned engagement surfaces 72 to 86. The respective shelves 2 may extend parallel or perpendicular to each other.

Fig. 5a to c show how the connection shown in fig. 3 is established between the magazine 2 and said head 28.

First, the formwork element 98, including the frame body 2 and the longitudinal element 92, is aligned relative to the vertical support 90 such that the longitudinal element 92 either extends substantially parallel to the vertical support 90 or, as shown in fig. 5a, slightly obliquely to this arrangement. In this arrangement, the formwork element 98 can be easily lifted and lifted by the assembler to facilitate the final positioning of the frame 2 above the head of the vertical support 90. From this raised position, the template elements 98 are then aligned and lowered by the assembler to facilitate introduction of the fixation elements 52, 58 into the V-shaped cuts 12, 14 of the flange 10. This introduction is facilitated by the V-shape of the cutting portions 12, 14. The first hook-shaped element 87 of the fastening element 52, 58 projects only in the direction of the U-shaped section 30 so that the introduction is not prevented. In this way, a hook connection is thus already established between the head 28 and the frame 2, in which case the weight of the formwork element 98 can be guided a greater part through the support plane 32 into the vertical support 90 so that the person performing the assembly does not have to bear the full weight of the formwork element 98.

Starting from the hook connection according to fig. 5a, the template element 98 according to fig. 5b is now rotated upwards in the direction of the arrow about a rotational axis extending parallel to the longitudinal axis of the transverse element 2, in which rotational movement the fixing elements 52, 58 guided by the V-shaped cutting portions 12, 14 are automatically moved into the recesses 20, 22 of the support surface 6 of the frame body 2. The rotational movement continues until a position according to fig. 5c is reached, in which the formwork element 98 and its longitudinal element 92 extend in the horizontal direction perpendicularly to the vertical support 90. As better illustrated in fig. 5c, in this fully mounted position, the engagement surfaces 80, 82 effectively prevent the carrier 2 from moving perpendicular to the base surface 4 of the carrier 2 in the direction of the arrow such that the securing elements 52, 58 move out of engagement with the recesses 20, 22. Fig. 5c further shows that the first hook-shaped elements 87 are moved individually by the rotary movement into a position in which they engage in the support surface or in the non-recessed region of the second hook-shaped elements 6, so that the formwork element 98 is not lifted vertically upwards parallel to the base surface 4. Disengagement from the head portion 28 is only possible when the template member 98 is rotated downwards in the direction of the arrow in fig. 5 b.

If, in the stripping of the formwork element 98, this takes place in reverse order to that described in connection with fig. 5a-c, the bevel formed on the underside of the support surface 5 will advantageously function, including an angle of about 75 deg. with the base surface 4. Starting from the position of fig. 5c, the formwork element 98 can be rotated away on the basis of the bevel, in the opposite direction to that shown by the arrow in fig. 5b, without a clamping effect between the upper side of the formwork element 98, the cover plate situated thereon and the ready-prepared concrete slab. The inclination also ensures that all parts of the die plate member 98 move downwards during the rotational removal, so that no difficult demoulding is possible.

Fig. 6a to c show that a corresponding connecting process can be achieved when the formwork element 98 which is ultimately intended to be completely installed extends at an angular offset of 90 ° relative to the head 28 on the basis of fig. 3 and 5a to c without the anti-lifting device. In this case, for example, the fixing member 64 is then fitted into the recess 20 of the cutting part 12 or the frame body 2. The rotation process described with reference to fig. 6a to 6c is similar to the rotation process described with reference to fig. 5a to c, except that the rear side of the base surface 4 of the carrier body 2 according to fig. 6c is finally supported on the support surface 78 of the engagement collar 70, whereby the fixing element 64 is prevented from moving out of the recess 20 or 22. It can further be seen from fig. 6c that the fastening element 64 does not comprise any first hook-shaped elements 87, so that the template element 98 can be lifted vertically upwards parallel to the base surface 4.

Fig. 7 shows the entire four shelves 100, 102, 104, 106 connected to the head 28 of the vertical support 90. The two bodies 100, 102 are arranged at a distance from one another and in line with one another on the end faces, while the two bodies 104, 106 run parallel to one another and perpendicular to the bodies 100, 102. All the shelves 100 to 106 are made in the manner according to fig. 1 in connection with the shelf 2. The following fixing elements, recesses and engagement surfaces are all associated with the different shelves 100 to 106:

a rack body 100: securing element 56, recess 20, engagement surface 74

A rack body 102: securing element 62, recess 20, engagement surface 76

A rack body 104: securing element 52, recess 20, engagement surface 80

A rack body 106: securing element 66, recess 20, engagement surface 86

In contrast to the shelves 100, 102, the shelves 104, 106 are stabilized against lifting by cooperating with said fixing elements 52, 66, each having a first hooking element 87.

Fig. 8 shows an arrangement in which all the magazine bodies 100 to 106 extend parallel to one another, in each case two magazine bodies 100 and 106 or 102 and 104 being arranged at a distance from one another at the end faces and aligned with one another in the longitudinal direction. In this arrangement, the following fixing elements, recesses and engagement surfaces cooperate:

a rack body 100: securing element 52, recess 20, engagement surface 80

A rack body 102: securing element 66, recess 20, engagement surface 86

A rack body 104: securing element 60, recess 20, engagement surface 84

A rack body 106: securing element 58, recess 20, engagement surface 82

The holders 104, 106, 100, 102 are secured against lifting by virtue of the engagement with the fixing elements 52, 58, 60, 66, each having a first hook-shaped element 87.

Any other means intended to provide one to four shelves on one head 28 may be implemented in accordance with the present invention. In each magazine 2 connected to the head 28 via one of the two outer recesses 20 or 22, two different alignments of the magazines 2 offset by 90 ° with respect to the other can be achieved completely independently of all the other magazines connected to said head 28.

List of reference numerals

2 frame body

4 basal plane

6 support surface, second hook-shaped element

7 diagonal (oblique) pillar

8 contact surface

10 Flange

12, 14 cutting part (cut-out)

20, 22 recess

28 head

30U-shaped section

31 seaming curl

32 support plane

34 coupling flange

36 engaging element

40 end face

42 opening

44-51 fixing flange

52, 54, 56, 58, 60, 62, 64, 66 fixing element

68, 70 joining flanges

72, 74, 76, 78, 80, 82, 84, 86 engagement surfaces

87 first hook-shaped element

88 head plate

90 vertical support

92 longitudinal element

94 cover plate

96 large-block template

98 template element

100, 102, 104, 106 racks

Claims (33)

1. A panel formwork system comprising a plurality of formwork elements (98) with shelves (2, 100) 106 connected by the underside to the head (28) of a vertical support (90), characterized in that,

the head (28) of the vertical support (90) comprises an anti-lift device which fixes the frame body (2, 100) of the plate element in the vertical direction and 106; and

the head (28) of the vertical support (90) comprises additional fixing elements (52-66) which prevent the magazine (2, 100) from moving in the longitudinal direction 106 relative to the head (28).

2. A panel formwork system according to claim 1, wherein the anti-lift means are made as first hook elements (87) which in the mounted position of the formwork element (98) engage into second hook elements (6) formed on the frame (2, 100) of the formwork element (98).

3. A panel formwork system according to claim 2, wherein the frame (2, 100) is made at least partly C-shaped in cross-section with two wings (6, 8) extending away from the base surface (4) and wherein one wing (6) is designed as a second hook element.

4. A panel formwork system according to claim 3, wherein said wings, designed as second hook-shaped elements (6), at least partially form a support surface (6) for supporting said frame (2, 100) on the head (28) of the vertical support (90).

5. A panel formwork system according to claim 3 or 4, characterized in that the head (28) of the vertical support (90) comprises fixing elements (52-66) which engage in any case into recesses (20, 22) of said wings (6) designed as second hook-shaped elements, said recesses (20, 22) being provided at the end of the support surface (6) remote from the C-frame base surface (4).

6. A panel formwork system according to claim 5, wherein the first hook-shaped element (87) is formed on the fixing element (52-66).

7. A panel formwork system according to any one of claims 1-4, wherein said frame (2, 100) is selectively connected to said vertical support (90) in two directions offset from each other by 90 °.

8. A panel formwork system according to claim 1, wherein said frame (2, 100) is made as an open part.

9. A panel formwork system according to claim 5, wherein the support surface (6) of the rack (2, 100) comprises two, three or more respective recesses (20, 22) in each of two mutually remote end regions of the rack (2, 100) 106.

10. A panel formwork system according to claim 3, wherein the at least two recesses (20, 22) of the wing (6) designed as second hook-shaped elements and the two fixing elements (52-66) of the head (28) of the vertical support (90) are spaced apart from each other such that each of the two fixing elements (52-66) can be simultaneously engaged into the respective recess (20, 22).

11. A panel formwork system according to claim 5, wherein the support surface (6) comprises, at its end region remote from the base surface (4), an upwardly extending or angled flange (10) extending parallel to the base surface (4), which flange is provided with a particularly V-shaped cut (12, 14) which is aligned with the recess (20, 22) provided in the support surface (6) such that the cut (12, 14) and the recess (20, 22) merge into one another.

12. A panel formwork system according to claim 11, wherein the flange (10) has two, three or more respective cuts (12, 14) in each of two mutually remote end regions of the frame (2, 100) each aligned with a respective recess (20, 22) in the support surface (6).

13. A sheet material formwork system according to claim 5, wherein the underside of the support surface (6) in its installed position extends obliquely upwards from the base surface (4) such that the angle between the underside of the support surface (6) and the base surface (4) is less than 90 °.

14. A sheet material formwork system according to claim 13, wherein the angle between the underside of the support surface (6) and the base surface (4) is between 70 ° and 80 °.

15. A panel formwork system according to claim 3, wherein each of the vertical supports (90) is provided with a head (28) which, in addition to comprising a support plane (32) extending perpendicularly to the longitudinal direction of the respective vertical support (90), comprises a fixing flange (44-51) angled to the support plane (32), the fixing flange (44-51) having a respective fixing element (52-66) for engaging into the recess (20, 22) of the support surface (6) of the rack (2, 100) and 106).

16. A panel formwork system according to claim 15, wherein each head (28) is provided with eight fixing flanges (44-51) extending perpendicularly to the support plane (32) of the head (28).

17. A sheet material formwork system according to claim 15 or 16, wherein the support plane (32) is substantially square or rectangular and comprises two respectively adjacent fixing flanges (44-51) in each of the four corner regions, the fixing flanges each extending perpendicularly to each other.

18. A panel formwork system according to claim 17, wherein the fixing elements (58, 60, 66, 52) which also include the first hook-shaped elements (87) are formed only on part of the fixing flanges (46, 47, 50, 51).

19. A panel formwork system according to claim 18, wherein the fixing flanges (46, 47, 50, 51) extending in a first direction comprise fixing elements (58, 60, 66, 52) having first hook elements (87), and the fixing flanges (44, 43, 48, 49) extending in a second direction extending perpendicular to the first direction comprise fixing elements (54, 56, 62, 64) without first hook elements (87).

20. A panel formwork system according to claim 15, wherein the head (28) comprises an engagement area for a rear side of the base surface (4) of the frame (2, 100) remote from the wings (6, 8), the engagement surface (72-86) of the engagement area extending perpendicular to the support plane (32).

21. A panel formwork system according to claim 20, wherein a total of eight joint areas are provided, their joint surfaces (72-86) extending at an angle of 90 ° with respect to their respective associated fixing flanges (44-51).

22. A sheet die plate system according to claim 20 or 21, characterized in that four engagement areas (80-86) are formed by substantially bent U-shaped sections (30) of the head (28).

23. A sheet material formwork system according to claim 22, wherein two respective joining regions (72, 74, 76, 78) are formed by a respective flange (68, 70) bent outwardly from the support plane (32).

24. A sheet template system according to claim 1, wherein said head (28) is releasably or fixedly connected with said vertical support (90).

25. A panel formwork system according to claim 1, wherein the head (28) is connectable to a substantially square head panel (88) of a vertical support (90).

26. A panel template system according to claim 25, wherein said head (28) is adapted to be pushed onto said head panel (88) in a direction extending parallel to said vertical support (90) head panel (88).

27. A sheet die plate system according to claim 25 or 26, wherein in the mounted position, the underside of the support plane (32) of the head (28) is located directly on the head plate member (88) of the vertical support (90).

28. A panel formwork system according to claim 1, wherein said head (28) made of a single curved cast and/or cast steel or plastic panel may be secured to the vertical support (90) by means of a resilient element secured to said head (28).

29. A panel formwork system according to claim 2, wherein the vertical support (90) and the frame (2, 100) of the formwork element (98) can be hooked to each other in a position where the formwork element (98) and the vertical support (90) are at an angle of less than 90 °, the formwork element (98) being pivotable after being hooked together and remaining hooked into a position where the formwork element (98) and the vertical support (90) are at an angle of approximately 90 °.

30. A sheet die plate system according to claim 29, characterized in that said first and second hook-shaped elements (87, 6) are hooked to each other and form anti-lifting means in a position where the holding hooks are connected into said die plate element (98) and said vertical support (90) at an angle of approximately 90 °.

31. A panel formwork system according to claim 29, wherein formwork element frame (2, 100) can be hooked to the vertical support (90) in a position in which the formwork element (98) extends substantially parallel to the vertical support (90).

32. A panel formwork system according to claim 1, wherein each of said formwork elements (98) comprises spaced apart longitudinal elements (92) extending parallel to each other, said longitudinal elements being fixedly connected to at least one of said frames (2, 100) extending perpendicularly thereto, said frames being transverse elements, the upper sides of said longitudinal elements (92) forming contact surfaces for a cover plate (94), the upper sides of one or more of said frames (2, 100) being in contact with the lower side of said longitudinal elements (92), and the lower sides of said frames (2, 100) forming support surfaces.

33. A panel formwork system according to any one of claims 1 to 4, wherein the upper side of the frame body forms a contact surface for a cover plate.