EP0943753B1 - Covering device for scaffold structures - Google Patents

Abstract

The device consists of flat cladding elements (14) located on the inside or outside of the frame (12). Attachment units (16.1-16.4) have a first connection unit (18.1,18.2) for connecting to struts or beams of the frame, and a second connection unit (20.1-20.3) for connecting to the cladding elements. The cladding elements have edge profile units (30) on their top and bottom edge regions. The second connection unit has at least one overhanging rod element (22) whose free end (24) points upwards or downwards which can be engaged in recesses in the edge profile elements.

Description

TECHNICAL AREA

The present invention relates to a clothing device for scaffolding with flat clothing elements, which are usually arranged on the outside or inside of the scaffold and in particular the protection against liquid and dust passage and the protection against the passage of solids and the heat and sound insulation serve, with connecting devices, respectively a first connecting unit for connection to stems or bars of the framework and a second connecting unit for connecting the clothing elements, the clothing elements having edge profile units with recesses, each connecting device having a first connecting unit and a second connecting unit and the second connecting unit having at least one cantilevered element, at least one engagement element is integrally formed on the free end region thereof.

In the use of scaffolding, especially in larger buildings, but especially in adverse weather conditions, with large amounts of dust, for example due to sandblasting, and in the field of roads and squares heavily used by pedestrians and vehicles, it is often necessary, the entire scaffold outer surface with a To provide clothing so that on the one hand no objects or persons can fall out of the working space of the scaffolding and on the other hand especially liquid, dust or other materials do not escape to the outside of the scaffolding and endanger the people or vehicles in the residence area of the scaffold. Furthermore it can be appropriate to have a suitable clothing in unfavorable weather to protect the working people.

STATE OF THE ART

It is known, depending on the needs for clothing purposes, either grid with wire mesh or foils and / or tarpaulins - use with fabric-reinforced films - each covering larger areas of the scaffolds according to the handling options and overlap each other at the joint areas or other attachment and mutual Sealing agents are equipped. The spreading and fixing of the tarpaulins, however, requires considerable manual labor and, moreover, tarpaulins are prone to violent flapping, especially in wind and storm. You can connect such plans only with disproportionate effort in many places with the scaffolding. This resulted in a need for a rigid framework clothing, which is disclosed in DE 41 25 664 A1. In such clothing for scaffolding are attached to the horizontal longitudinal tube of a scaffold, which contains, for example, stems and diagonal bars, clothing elements by means of hooks and securing elements. These are interchangeably attached to the frame of the clothing elements. The clothing elements are equipped with corrugated sheets and optionally lateral seals or overlaps. Also Kedernuten can be provided for tarpaulins and aprons.

From the document DE 91 10 828 U a clothing device of the type mentioned is known. The clothing device is designed as a large-area cassette made of profiled sheet metal, which has edge profile units at its side longitudinal edges, which are open at a predetermined pitch from the outside L-shaped Own recesses. The cassettes are hung on the outside of a scaffold substructure. To connect a U-shaped rail, which is connected on the one hand to the scaffold substructure and on the other hand has within the U-profile cross-section bolt-shaped cross members, in which the cassettes can be mounted on their recesses.

PRESENTATION OF THE INVENTION

The invention is based on the technical problem and the object, starting from the cited prior art, to provide a framework clothing made of rigid clothing elements, which can be quickly assembled and disassembled in a simple manner and can be used in the connection devices that produced economically can ensure the easy connection to standard scaffolding components and allows a reliable and easy to handle attachment of the clothing elements.

The inventive clothing device for scaffolding is given by the features of independent claim 1. Advantageous embodiments and further developments are the subject of the dependent claims.

The clothing device according to the invention is accordingly characterized in that the engagement element is designed as a rod element with a free end, the recesses are formed as a continuous slots in the upper and lower edge profile unit and the upwardly facing engagement element of the cantilevered element of the second terminal unit respectively through a recess an upper edge profile unit of a lower clothing element and a recess of a lower edge profile unit of a can be enforced above the lower garment element arranged upper garment element.

Preferably, in this case, the first connection unit is designed as a pipe coupling unit or as a wedge head unit with clamping wedge, so that a trouble-free connection to the known Layher flash scaffold or Layher Allround scaffolding is possible.

For the practical assembly work, it has proven to be favorable to arrange the recesses in each case on the side edge region of the edge profile units.

A particularly preferred embodiment is characterized in that the length of the engagement element of the cantilevered element is substantially as large as the height of two superposed edge profile units in superimposed clothing elements. During assembly, the procedure is such that first a garment element is hung with its upper edge profile unit on the engagement element and then an overlying clothing element comes with its lower edge profile unit with recess with the protruding engagement element of the cantilever element engages.

With regard to economic production - while ensuring easy assembly - a particularly preferred development is characterized in that the element is designed as a cross-sectionally L-shaped element, one leg of which is connected to the first terminal unit.

A particularly economical method of manufacture can be implemented in that the projecting element is formed with engagement element as a round profile element, wherein preferably a curved round profile element structure is used. In addition to economic manufacturability, such a design ensures sufficiently high strength and stiffness values in order to implement a permanently reliable support function for the clothing elements. The disassembly of the clothing elements is done in a simple manner in that they are deducted upwards.

Among other things, an element structure has been found to be particularly advantageous, which is characterized in that the two rod elements are formed by a curved round profile structure, seen in a plan view has a substantially U-shaped structure, wherein the web of the U-shaped structure is attached to the first terminal unit, and seen in a side view has a substantially L-shaped structure with an upwardly facing free leg, which forms the free end of the rod members possesses.

A particularly preferred embodiment is characterized in that the edge profile unit is formed circumferentially and has an elastic sealing profile circumferentially on the outside.

Further embodiments and advantages of the invention will become apparent from the features further listed in the claims as well as by the embodiments given below.

BRIEF DESCRIPTION OF THE DRAWING

Fig. 1

schematische Vorderansicht, Seitenansicht und Draufsicht auf ein Systemgerüst mit teilweise montierten Bekleidungselementen,

Fig. 2

schematische Rückansicht und Draufsicht auf ein Bekleidungselement mit Randprofileinheiten,

Fig. 3

schematische Seitenansicht einer ersten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 4

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 3,

Fig. 5

schematische Seitenansicht einer zweiten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 6

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 5,

Fig. 7

schematische Seitenansicht einer dritten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 8

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 7,

Fig. 9

schematische Seitenansicht einer vierten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 10

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 9,

Fig. 11 bis 14

schematische Detaildarstellung der Bekleidungsvorrichtung mit Anschlußmöglichkeiten im äußeren Eckbereich unter Einsatz der ersten und zweiten Ausführungsvariante (Fig. 11 und 12) und unter Einsatz der dritten und vierten Ausführungsvariante (Fig. 13 und 14),

Fig. 15

schematische Detaildarstellung einer Bekleidungsvorrichtung im inneren Eckbereich unter Einsatz der ersten Ausführungsvariante gemäß Fig. 3,

Fig. 16

schematische Detailperspektive des Anschlusses von vier Bekleidungselementen an eine Verbindungseinheit gemäß Fig. 3,

Fig. 17

schematische Seitenansicht einer fünften Ausführungsvariante einer Verbindungseinrichtung,

Fig. 18

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 17,

Fig. 19

schematische Seitenansicht einer sechsten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 20

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 19,

Fig. 21

schematische Seitenansicht einer siebten Ausführungsvariante einer Verbindungseinrichtung,

Fig. 22

schematische Draufsicht auf die Verbindungseinrichtung gemäß Fig. 21,

Fig. 23 bis 26

schematische Detaildarstellung der Bekleidungsvorrichtung mit Anschlußmöglichkeiten im äußeren Eckbereich unter Einsatz der fünften und sechsten Ausführungsvariante (Fig. 17 und 19) und unter Einsatz der siebten Ausführungsvariante (Fig. 21),

Fig. 27

schematische Detaildarstellung einer Bekleidungsvorrichtung im inneren Eckbereich unter Einsatz der siebten Ausführungsvariante gemäß Fig. 17 und

Fig. 28

schematische Detailperspektive des Anschlusses von vier Bekleidungselementen an eine Verbindungseinheit gemäß Fig. 17.

The invention as well as advantageous embodiments and developments thereof will be described and explained in more detail below with reference to the examples shown in the drawing. The features to be taken from the description and the drawing can be applied individually according to the invention or to a plurality of them in any desired combination. Show it:

Fig. 1

schematic front view, side view and plan view of a system framework with partially assembled clothing elements,

Fig. 2

schematic rear view and top view of a clothing element with edge profile units,

Fig. 3

schematic side view of a first embodiment of a connecting device,

Fig. 4

schematic plan view of the connecting device according to FIG. 3,

Fig. 5

schematic side view of a second embodiment of a connecting device,

Fig. 6

schematic plan view of the connecting device according to FIG. 5,

Fig. 7

schematic side view of a third embodiment of a connecting device,

Fig. 8

schematic plan view of the connecting device according to FIG. 7,

Fig. 9

schematic side view of a fourth embodiment of a connecting device,

Fig. 10

schematic plan view of the connecting device according to FIG. 9,

Fig. 11 to 14

schematic detail representation of the clothing device with connection options in the outer corner region using the first and second embodiment (Figures 11 and 12) and using the third and fourth embodiment variant (Figures 13 and 14),

Fig. 15

schematic detail of a clothing device in the inner corner region using the first embodiment of FIG. 3,

Fig. 16

schematic detail perspective of the connection of four clothing elements to a connection unit according to FIG. 3,

Fig. 17

schematic side view of a fifth embodiment of a connecting device,

Fig. 18

schematic plan view of the connecting device according to FIG. 17,

Fig. 19

schematic side view of a sixth embodiment of a connecting device,

Fig. 20

schematic plan view of the connecting device according to FIG. 19,

Fig. 21

schematic side view of a seventh embodiment of a connecting device,

Fig. 22

schematic plan view of the connecting device according to FIG. 21,

FIGS. 23 to 26

schematic detail representation of the clothing device with connection possibilities in the outer corner region using the fifth and sixth embodiment (FIGS. 17 and 19) and using the seventh embodiment variant (FIG. 21),

Fig. 27

schematic detail of a clothing device in the inner corner region using the seventh embodiment variant of FIG. 17 and

Fig. 28

schematic detail perspective of the connection of four clothing elements to a connection unit according to FIG. 17.

WAYS FOR CARRYING OUT THE INVENTION

Fig. 1 shows schematically a framework 12, which is formed by its supporting structure forth as a known so-called Layher Allround scaffolding system. In this case, vertical stems 26 are used, which have perforated disks 48 at a predetermined distance in the longitudinal direction, to which horizontal support elements, diagonals 49, crossbars 28 and the like elements can be connected by means of the known and proven wedge head connection technology.

In the middle region of the framework 12 according to FIG. 1, the arrangement of clothing elements 14 of a clothing device 10 is shown in detail. The connection of the garment elements 40 to the scaffold via not shown in Fig. 1 connecting means, which are connected on the one hand to the scaffold and on the other hand connect the clothing elements. These connection devices will be described below.

In Fig. 2, a garment element 14 is shown schematically. This is designed as a flat quadrilateral element and consists primarily of metal. At the outer edge is circumferentially arranged substantially perpendicular to the element plane edge profile unit 30 is present, which is preferably designed as a rectangular hollow profile. The upper and lower edge profile unit 30 has, in its respective side edge region, a self-contained, continuous recess 32 in the form of an oblong hole. On the outside of the forehead, an elastic sealing profile 38 is provided circumferentially, so that a dense total scaffolding surface can be produced by adjacently arranged clothing elements 14.

3 and 4, a first variant of a connecting device 16.1 is shown, which has a first terminal unit 18.1, which is designed as a known pipe coupling for connection to scaffold tubes. To the first terminal unit 18.1, a second terminal unit 20.1 is connected, which consists of bent round steel and has a spatial structure as follows. In a plan view, the second terminal unit 20.1 substantially forms a U-shaped contour, wherein the web is connected to the first terminal unit 18.1. At the respective flange end of the U-shaped structure is an upwardly facing engagement member 24 of a forward, that is away from the first terminal unit 18.1, projecting element 22, such that seen in a side view (Fig. 3) is a substantially L-shaped contour results. In this engagement element 24, the edge profile units of the clothing elements 14 are suspended via their recesses 33.

FIGS. 5 and 6 show a further embodiment of a connecting device 16.2, which is similar in its basic structure to the connecting device 16.1. It is the same first terminal unit 18.1 used as a pipe coupling. However, the spatial structure of the second terminal unit 20.2 is modified, namely by the seen in plan view existing U-shape is much flatter, so that the distance between the engaging elements 24 of the cantilevered elements 22 is substantially greater than in the embodiment of FIG. 4. The connecting device 16.2 is preferably used in the corner region of a scaffold, which will be explained in more detail below.

The connecting device 16.3 shown in FIGS. 7 and 8 has substantially similar contours with regard to the second connecting unit 20.1 as the connecting device 16.1, but here the first connecting unit 18.2 is designed as a wedge head clamping unit for connection to a perforated plate 48 of a scaffold post.

9 and 10 show a fourth embodiment of a connecting device 16.4, wherein the first terminal unit 18.2 is again designed as a wedge head clamping unit for connection to a perforated plate 48, the second terminal unit 20.3 of two separate connected to the first terminal unit 18.2 laterally projecting elements 22 with is formed in each case an upwardly facing engagement element 24. The two elements 22 are each seen in a plan view bent substantially U-shaped, with a flange is connected to the first terminal unit 18.2. At the other end of the flange, the engagement element 24 is formed facing up, which engages with the recess of the corresponding edge profile unit of a garment element 14. This connecting device 16.4 is suitable to be used in the outer corner region of a scaffold.

11 schematically shows a section of a Layher flash scaffold in the region of an outer corner. In the corner area, the connection unit 16.2 is used. At the same time a folded gusset 72 is present in the corner, which establishes the connection between incoming garment element 14 and outgoing garment element 14. The corner plate 72 is thereby folded so that it rests in the inserted state on the respective adjacent sealing profile 31 of the garment element 14. In the right area, a closure profile device 50 is screwed to the front edge of the clothing elements 14. On the terminal profile device 50, a terminal plate or plate 70 via a fastening means (screw 40) to the recess 32 of the edge profile unit 30 of the garment element 14 is connected. The end plate 70 establishes the sealing connection to a closure wall 76.

Fig. 12 shows schematically a section of a Layher flash scaffold in the corner and with subsequent Paßfeld between incoming and outgoing clothing element. Here, too, a vertically extending end profile device 50 is used at the end faces of the clothing elements in each case, to which a mating plate 78 is sealingly attached.

13 schematically shows a section of a Layher Allround scaffold in the area of an outer corner, the connecting device 16.4 being used in the corner area. Again, a folded corner plate 72 used in the corner.

The above-described clothing elements 14 have circumferentially a projecting rubber sealing profile 38. The dimensions of the cantilevered elements 22 of the second terminal unit 20.1 are in conjunction with the arrangement of the recess 32 so dimensioned that the rubber gaskets 38 of the end faces of adjacent clothing elements 14 with hinged clothing elements 14 sealingly rest on one another.

Fig. 14 shows schematically a section of a Layher Allround scaffold in the region of an outer corner, similar to Fig. 11 in the right area via a fastened on the front side of the clothing elements 14 End Profileinrichtung 50 a cover plate 70 a sealing connection to a wall 76th manufactures.

Fig. 15 shows schematically a section of a Layher Allround scaffold in the region of an inner corner. On the front side of the two arriving at right angles clothing elements 14 each a final profile device 50 is connected. The support of the clothing elements 14 via the already described connection devices 16.1.

Between both end profile devices 50 a folded gusset plate 76 is present, which is nailed on site to the end profile devices 50 after prior cutting, for example.

16 schematically shows a detail perspective from the inside of the connection of a total of four clothing elements 14 to a connecting device 16.1 with two projecting elements 22 with engagement elements 24. It can be seen in particular that the recesses 32 are formed as slots and are continuously present at the edge profile units 30 ,

In an alternative embodiment, not shown, the rod elements of the second terminal units are present in the lower area facing up and the arranged above the second terminal areas with downwardly pointing bar elements present.

The fifth embodiment variant of a connecting device 16.5 shown in FIGS. 17 and 18 has, in addition to the already described first connecting unit 18.1, a second connecting unit 20.4, which has an L-shaped cantilevered element 22 whose one leg, pointing downwards in FIG the first terminal unit 18.1 is connected (welded) and its second leg 44 projects away from the first terminal unit 18.1 to the front. On the second leg 44 further projecting projection units 23 are formed on both sides, in the end region of a recess 25 is present, in which from above an upwardly projecting engagement member 24 is inserted, which is designed as a round rod and a weld, not shown is connected to the second leg 44.

The illustrated connection device 16.5 is suitable for connecting clothing elements 14 arranged in a plane to one another.

In Figs. 19 and 20, there is shown a connecting device 16.6 suitable for joining together rectangular garment elements 14, wherein for purposes of sealing, a right angle corner garment element 80, described below, is used.

The connecting device 16.6 has a second connecting unit 20.5, which is designed as a cross-sectionally L-shaped cantilevered element 22, wherein the vertically arranged in Fig. 19 first leg 42 of the element 22 connected to the first terminal unit 18.1 (welded) is. The second leg 44 of the element 22 projects forward and has seen in a plan view a substantially contour in the shape of an isosceles trapezoidal contour, wherein at the longer base line of the trapezoidal contour of the first leg 42 is formed. At the two side lines of the trapezoidal contour in each case a rectangular, open from the outside recess 46 is formed, wherein on both end faces of the recess 46 each designed as a round bar profile element, upwardly projecting engagement element 24 is fixed (welded). Overall, thus four engagement elements 24 are present.

The connecting devices 16.5, 16.6 illustrated in FIGS. 17 to 20 allow easy connection to, for example, the LAYHER flash frame.

The seventh embodiment according to Figures 21 and 22 allows easy connection to the Layher Allround scaffolding. The connecting device 16.7 has a first terminal unit 18.2, which corresponds to the known wedge connection of the Layher Allround scaffold. The second terminal unit 20.6 is substantially similar to the second terminal unit 20.4 of FIGS. 17 and 18, with only a difference in geometry with respect to the formation of the projection units 23, so that seen in a plan view the second leg 44 of the cantilevered element 22 (FIG. FIG. 22) has a shorter cantilever length than the cantilever length of the element 22 according to FIG. 18.

Fig. 23 shows schematically the connection of clothing elements in the corner region of a Layher flash scaffold. Here are the connection units 16.5 and 16.6 (in the outer corner area) are used. In the corner is in addition a rectangular Eckbekleidungselement 80 is used, which according to the other clothing elements also recesses 32 in the edge profile unit 30, into which the engagement elements 24 of the second terminal units 20.4, 20.5 can engage. The corner article element 80 also has an elastic sealing profile 38 around the outside of the outer circumference in such a way that, when the corner article element 80 is suspended, a sealing connection to the adjacent clothing elements 14 is ensured. In the right-hand connection area arranged in FIG. 23, a termination profile device 50 is arranged which, with its sealing profile 62, bears sealingly against the sealing profile 38 of the adjacent clothing element 14 and which is connected to the adjacent clothing element 14 via a screw connection 40. The screw 40 is anchored in a recess of the edge profile unit 30 of the garment element 14 and screwed into the nut present on the end profile device 50. Between the wall 76 and the end profile device 50 a suitably cut sheet is present, which is connected for example by means of a nail connection with the solid profile unit 54 of the end profile device 50.

Fig. 24 also shows an outer corner joint by means of the connecting device 16.6 and the connection of other scaffolding fields in the right area, wherein for dimensional adjustment turn a fitting plate 78 is used, which is connected to two attached respectively to the incoming or outgoing garment element 14 End profile devices 50.

As FIG. 25 shows, in the outer corner area for connecting the clothing elements 14 in the case of an all-round scaffold using the connecting device 16.7, there is no special adapted corner formation of the connecting device 16.7 required. Two connecting devices 16.7 are used in the corner region, the corner article element 80 already described above being used in a corresponding application.

FIG. 26 shows the use of the connecting device 16.7 in the outer corner region and in the case of a sealing connection to an existing wall by means of a fitting plate 70.

Fig. 27 shows a so-called Inneneckausbildung with connection of the clothing elements 14 via the connecting device 16.5 to a LAYHER flash scaffold. In contrast to the outer corner solution here comes a corner element 80.1 is used, which has its edge profile unit 30 with recesses 32 according to the outside. Even with this solution, a special connecting device for the corner is not required. It can be used the same connection means 16.5, which are also used to connect the other lying in a plane clothing elements.

The illustration in Fig. 28 corresponds substantially to the illustration in Fig. 16, only with the difference that in Fig. 28, the connecting means 16.5 is shown with the second terminal unit 20.4.

Claims (10)

1. Cladding arrangement (10) for scaffoldings (12), having sheet-like cladding elements (14) which are usually arranged outside or inside the scaffolding (12) and serve, in particular, for protecting against the ingress of liquids and dust and for protecting against the through-passage of solids and for heat and sound insulation, having connecting devices (16.1, ..., 16.7) which each have first attachment units (18.1, 18.2) for attachment to posts (26) or crossmembers (28) of the scaffolding (12) and second attachment units (20.1, ..., 20.6) for attaching the cladding elements (14), the cladding elements (14) having border-profile units (30) with apertures (32),

   - each connecting device (16.1, ..., 16.7) having a first attachment unit (18.1, 18.2) and a second attachment unit (20.1, etc.), and

   - the second attachment unit (20.1, ..., 20.6) having at least one projecting element (22), at the free end region of which at least one engagement element (24) is integrally formed,

   characterized in that

   - the engagement element (24) is designed as a bar element with a free end,

   - the apertures (32) are designed as through-slots in the top and bottom border-profile units (30), and

   - the upwardly oriented engagement element (24) of the projecting element (22) of the second attachment unit (20.1, ..., 20.6) can be passed in each case through an aperture (32) of a top border-profile unit (30) of a bottom cladding element (14) and through an aperture (32) of a bottom border-profile unit (30) of a top cladding element (14), which is arranged above the bottom cladding element (14).
2. Cladding arrangement according to Claim 1, characterized in that the aperture (32) is arranged in each case on the side-border region of the border-profile unit (30).
3. Cladding arrangement according to Claim 1 or 2, characterized in that the length of the engagement element (24) is essentially such that two border-profile units (30) arranged one above the other can be brought into engagement when cladding elements (14) are arranged one above the other.
4. Cladding arrangement according to one or more of the preceding claims, characterized in that the element (22) of the second attachment unit (20.3, 20.4) is designed as a cross-sectionally L-shaped element, of which one leg is attached to the first attachment unit (18.1; 18.2).
5. Cladding arrangement according to one or more of Claims 1 to 3, characterized in that the projecting element (22) of the second attachment unit (20.1; 20.2) with engagement element (24) is designed as a curved round-profile element.
6. Cladding arrangement according to one or more of the preceding claims, characterized in that the second attachment unit (20.1; 20.2; 20.3; 20.4) has two spaced-apart engagement elements (24).
7. Cladding arrangement according to Claim 4, characterized in that the projecting leg of the L-shaped element (20.3) has two extension units (23), at the end region of which in each case one engagement element (24) is integrally formed.
8. Cladding arrangement according to one or more of the preceding claims, characterized in that the first attachment unit (18.1) is designed as a tube-coupling unit.
9. Cladding arrangement according to one or more of Claims 1 to 7, characterized in that the first attachment unit (18.2) is designed as a wedge-head unit with a wedge for attachment to a perforated plate (48).
10. Cladding arrangement according to one or more of the preceding claims, characterized in that the border-profile unit (30) is designed to run all the way round and has an elastic sealing profile (38) running all the way round the outside.

Images