EP2597226A2 - Fastening structure for fastening to a base structure with a cavity - Google Patents

Abstract

The mounting structure (100) has an elongated carrier element (102) having through-hole structure (104), which is formed in each case to accept a screw at a selectable position along the through-hole structure around the attachment element at a cavity (130). The personal guard equipments (110) are fastened at the carrier element. The personal guard equipments are screwed or welded onto the carrier element which comprises a metallic support plate. An independent claim is included for mounting arrangement.

Description

The invention relates to a mounting structure for securing personal protective equipment to a cavity-bearing substructure and to a mounting arrangement, a use and a method.

For attaching anchor devices in the field of personal protective equipment, steel plates with dowels are conventionally attached to an underground structure. When mounting these panels on prestressed precast concrete slabs, the slab is often fixed only in the area of the hollow chambers. The cross-section of prestressed precast concrete ceilings differs depending on the manufacturer and even in the production of a manufacturer depending on the type. As a result, the distances between the hollow chambers and thus also the possibilities for fastening the steel plates in the region of the hollow chambers differ. The steel plates or anchor plates currently available on the market exactly fit with their boreholes only for one concrete plate type.

For a technically meaningful attachment, which also correctly fulfills the requirements of the corresponding anchor systems, a separate anchor plate geometry is necessary for each type of prestressed concrete slab.

DE 10 2006 041 592 A1 . DE 20 2009 008 784 U1 . DE 102 97 524 T5 and AT 509 330 A4 disclose conventional fastening systems.

It is an object of the present invention to provide a flexible and user-friendly system for securing anchor plates or support members to a base structure.

This object is solved by the objects with the features according to the independent claims. Further embodiments are shown in the dependent claims.

In accordance with one embodiment of the present invention, there is provided a mounting structure for securing personal protective equipment to a cavity-bearing substructure. The attachment structure includes a support member and a personal protective equipment attachment. The support member has at least one elongated through-hole structure each configured (ie, each of the at least one elongate through-hole structure configured) to receive a fastener at a selectable (ie, user-variably adjustable) position along the respective through-hole structure to receive the fastener To anchor fastener to a cavity of the substrate structure for attaching the mounting structure to the substructure. The personal protective equipment attachment is attached to the support member and is adapted for attaching personal protection equipment to the attachment structure.

In accordance with another embodiment of the present invention, a fastener assembly is provided that includes a fastener structure for attachment to a cavity-having backing structure. The mounting structure includes a support member having at least one elongated through-hole structure configured to receive a fastener at a selectable position along the through-hole structure for anchoring the fastener to a cavity of the substrate structure for attaching the fastener structure to the substrate structure. The fastening arrangement further has the base structure to which the fastening structure is fastened or fastened.

According to yet another embodiment of the present invention, a fastening structure comprising a carrier element with at least one elongated through-hole structure and a personal protective equipment attachment for attaching personal protective equipment, for receiving a fastener at a selectable position along the through-hole structure used to anchor the fastener to a cavity of a substructure for attaching the mounting structure to the substructure.

According to yet another embodiment of the present invention, there is provided a method of attaching personal protective equipment to a cavity-bearing substructure by means of a fastening structure, wherein the method selects a position along at least one elongate through-hole structure of a support member of the attachment structure, wherein the at least one elongate through-hole structure is at least one An elongate hole having a length to width ratio greater than two, in particular greater than five, has a fastener of the fastener structure received at the selected position to attach the fastener to a cavity of the backing structure for attaching the fastener structure to the backing structure and the personal protective equipment is attached to a personal protective equipment attachment to the support member of the mounting structure.

In the context of this application, the term "attachment structure" can be understood in particular to mean a body which can be fastened to a base structure and optionally also to another component. In particular, it may be understood to include a body which on the one hand can be fastened to a base structure and, on the other hand, to personal safety equipment.

For the purposes of this application, the term "personal protective equipment" may be understood to mean, in particular, a piece of equipment that can be worn by a person in order to protect the person To protect the person in a dangerous, for example fall-prone, environment (for example in the field of occupational safety or in climbing sports). For example, a chest and hip belt may be used as personal protection equipment, which may be coupled via a cable with one or more carabiners. With such a carabiner, the person can then secure himself to a correspondingly designed personal protective equipment attachment, which may or may not be attached to the carrier element.

In the context of this application, the term "personal protective equipment attachment" may be understood to mean, in particular, an attachment point on the support element for fastening a personal protection equipment.

In the context of this application, the term "base structure" can be understood in particular as an anchoring base suitable for anchoring the fastening element. Such an anchoring base may in particular be a wall, more particularly a vertical wall or a ceiling. Materials for such an anchorage are in particular concrete and masonry building materials or metal, wood construction materials, stone or plastic components. Furthermore, such an anchoring base may also be any composite material made of several different material components. The ground may be a roof, a ceiling, a wall or a floor of a building. The substrate may in particular be a prestressed precast concrete ceiling or another prefabricated concrete building component. The cavities may in particular be arranged regularly in the background structure, ie, for example, at a constant distance from each other and / or with a mutually uniform geometric shape. In the context of this application, the term "elongated through-hole structure" may be understood to mean, in particular, that the through-hole structure has one or more through-holes which have or have such a large extent in at least one dimension, in that by means of displacing (or otherwise defining a position) one or more fastening elements along the through-hole structure, a spatial adaptation of a position of the fastening element or elements with respect to one or more cavities of the background structure is made possible. The through-hole structure may be formed of contiguous or non-contiguous material recesses in the support member.

In the context of this application, a "fastening element" can be understood to mean, in particular, a physical structure which is set up for screwing in, screwing in, driving in, etc. into the substrate in order to be anchored in the state introduced there with a sufficiently large holding force. In particular, the fastener may be a screw with or without dowels, a nail or a bolt.

In the context of this application, the term "cavity" or "hollow chamber" can be understood to mean, in particular, a material-free region (or a region of low material in the fastening effect) in the interior of the substrate structure. Such a base structure may include a regular or disordered arrangement of hollow chambers, for example, deliberately provided holes inside a concrete slab (for example, for lightweight construction) or a brick.

Exemplary embodiments of the invention are based on the idea of making it possible to cover different hollow chamber spacings in different background structures via different oblong holes or similar through-hole structures in a carrier element such as a steel plate. Such a carrier element can be used for a great many different hollow chamber arrangements in different underground structures. Thus, only one support element for a variety of versions of hollow panels is required. This allows for lean storage and flexible installation depending on the requirements of a construction site.

Due to the special arrangement of one or more slots or hole cascades in the support element fasteners such as screws or dowels can be flexibly mounted with screws in hollow chambers, and that is substantially independent of their distance.

In the following, additional exemplary embodiments of the attachment structure will be described. These also apply to the mounting arrangement and the use and the method.

According to one embodiment, the at least one elongated through-hole structure may comprise at least one slot. For example, in one embodiment, a steel plate may be provided with at least four slots. In particular, a slot is understood to mean a through hole through the carrier element which has an aspect ratio (i.e., a length to width ratio of the hole) of greater than two, in particular greater than five. In other words, the slot has a sufficiently large length to width ratio so that a screw or other fastener can be slid along the slot by a user along the length of the slot to accommodate a location of a cavity within the base structure , This allows a user-friendly manner of geometrically adjusting the position of a fastener or fasteners relative to the position of the cavity in the substructure. The slot can be linear or rectilinear or arbitrarily curved. It may have beginning and end or be closed like a ring. It can be provided one above the other and / or behind each other several slots that can cross each other or can run independently.

According to an embodiment, the at least one elongate through-hole structure may comprise a succession of successive, separate through-holes (with, for example, each circular opening). Instead of a slot can thus Also, individual holes are provided with small spacings between adjacent holes as a through hole structure. A distance between adjacent edges of immediately adjacent through-holes of such a consecutive sequence of through-holes may in particular be smaller than a diameter of a respective through-hole or smaller than a diameter of an associated fastening element (for example a screw to be received in the hole). For example, at least three, in particular at least five, such through-holes may be arranged in a row, in particular in a rectilinear row, in order to enable different positions in a step-adjustable positioning mechanism for aligning the carrier element relative to the background structure. The anchoring in a special through-hole of this cascade of through holes is particularly stable due to the preferably full-scale, substantially play-free limitation of the fastener in such a through hole and still allows a user sufficient flexibility. The sequence of through holes may be linear or rectilinear or arbitrarily curved. It may have beginning and end or be closed like a ring. Several sequences of through-holes may be provided, which may be arranged one above the other and / or behind one another in the carrier plate and which may intersect one another or may run independently of one another.

According to one embodiment, the carrier element may have a carrier plate, in particular a metallic carrier plate. A carrier plate can be understood to mean a flat plate with flat, opposing main surfaces, which is penetrated by the through-hole structure and can serve as the basis for providing stops for the personal security system. In particular, a steel plate may be provided as a metallic support plate.

According to one embodiment, the personal protective equipment attachment may be bolted or welded to the support member. In particular, an attachment point can be welded or screwed to the plate. However, other mounting options are possible, such as riveting, nailing, gluing or soldering. Screwing and welding, however, causes a particularly stable attachment.

According to one embodiment, the attachment structure may further also comprise the attachment element, in particular a fixing screw. The fastener, such as an undercut dowel (associated with a corresponding screw), may be passed through the through-hole structure and an access hole in the substructure and thereby buried in the hollow chamber of the substructure. A head (or the like) of the fastener may then press the support member against the backing structure to effect a fastening action.

According to one embodiment, the fastening structure may further comprise a dowel for receiving the fastening screw such that in the accommodated state by means of the dowel and the fastening screw, the fastening structure to the substructure (more precisely, in a cavity thereof) is anchored. Under a "dowel" is a rigid component, in particular made of plastic, understood, in which a fastener is inserted, wherein the dowel is spread during this insertion or expands spreading means, whereby the dowel widens the back and thereby, in particular under training an undercut, wedged in the cavity. The dowel may be inserted into an access bore in the substructure prior to the introduction of the fastener into the support member and the substructure. In a subsequent introduction of the fastener in the dowel spreads this then, and thereby a positive or positive connection is accomplished.

According to one embodiment, the dowel may be formed as an undercut dowel. An undercut dowel extends spreading in an undercut cavity and therefore expands at a constriction of the cavity to form a positive and tensile connection. The use of an undercut dowel leads to a particularly good stability, since the extended undercut structure particularly reliably prevents unwanted removal of the carrier element from the substrate structure.

It should also be noted that when mounting a carrier element on a cavity-containing substrate structure in a cavity of the substructure is to be dowelled, but not in the thin webs between adjacent cavities. With precast concrete precast elements as a substructure, on the one hand it is difficult to hit the thin webs exactly. On the other hand, when anchoring in such areas, prestressing strands of prestressed precast concrete can be destroyed. From the outside, although the sequence between cavities and webs is not visible due to the cover plates of a pre-fabricated precast concrete element, the position of cavities and webs can be detected by means of a rebar locator or the like.

According to one embodiment, the personal protective equipment attachment may be formed as a stop device for securing a person. Under such an anchor device can be understood any component to which a user who wears the personal protective equipment, secure and thus secure. For example, in the field of occupational safety, climbing and other areas, a user may wear a chest and hip belt connected by a cable to one or more carabiners. Such karabiners can be attached to the personal protective equipment mounting, so that the user can operate safely at high altitudes or in any other dangerous environment crash-proof.

According to one embodiment, the personal protective equipment attachment may include an eyelet, a hook, a rope, have a carabiner and / or a locking element. Of course, other personal protective equipment attachments are possible. For example, a rod can be welded to a carrier element designed as a steel plate, to which then an eyelet can be attached as actual personal protective equipment attachment.

In the following, additional exemplary embodiments of the fastening arrangement will be described. These also apply to the attachment structure and use.

According to one embodiment, the background structure may be a wall, in particular a concrete wall (in particular, a prestressed concrete precast element), in the interior of which a plurality of cavities are formed. Such a wall can have a closed upper cover (or upper-side cover layer) and a closed lower cover (or lower cover layer), which can initially be free of holes. Inside the wall, i. between the upper ceiling and lower ceiling, then an arrangement of cavities may be formed, wherein adjacent cavities may be separated from each other by a web. This may be advantageous, for example, for producing lightweight components. To access the interior of such a wall of attachment by means of the attachment structure, one or more access holes may first be drilled in the top wall of the wall. Through an access hole through a fastener or optionally previously a dowel can then be performed.

In one embodiment, the attachment assembly may further include the personal protection equipment configured for attachment to the personal protective equipment attachment. For example, a chest belt, a waist belt, or a chest and waist belt with associated carabiner may be configured as personal protective equipment. Other embodiments are possible.

• Figur 1A und Figur 1C sind Querschnittsansichten einer Befestigungsanordnung aus einer Befestigungsstruktur und einer Untergrundstruktur gemäß einem exemplarischen Ausführungsbeispiel der Erfindung im voneinander demontierten (Figur 1A) und im aneinander montierten (Figur 1C) Zustand.
• Figur 1B und Figur 1D sind Draufsichten der Befestigungsanordnung aus Figur 1A und Figur 1C im demontierten (Figur 1B) und im montierten (Figur 1D) Zustand.
• Figur 2 zeigt eine Befestigungsstruktur einer Befestigungsanordnung gemäß einem exemplarischen Ausführungsbeispiel der Erfindung.
• Figur 3 bis Figur 8 zeigen eine Befestigungsstruktur in Kombination mit unterschiedlichen Untergrundstrukturen mit unterschiedlich dimensionierten Hohlräumen gemäß einem exemplarischen Ausführungsbeispiel der Erfindung.
• Figur 9 und Figur 10 zeigen andere Befestigungsstrukturen einer Befestigungsanordnung gemäß exemplarischen Ausführungsbeispielen der Erfindung.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the following figures.

• Figure 1A and Figure 1C 3, cross-sectional views of a fastening arrangement comprising a fastening structure and a base structure according to an exemplary embodiment of the invention are disassembled from each other (FIG. Figure 1A ) and in the assembled ( Figure 1C ) Status.
• FIG. 1B and FIG. 1D are top views of the mounting arrangement Figure 1A and Figure 1C in disassembled ( FIG. 1B ) and in the assembled ( FIG. 1D ) Status.
• FIG. 2 shows a fastening structure of a fastening arrangement according to an exemplary embodiment of the invention.
• FIG. 3 to FIG. 8 show a mounting structure in combination with different underground structures with different sized cavities according to an exemplary embodiment of the invention.
• FIG. 9 and FIG. 10 show other attachment structures of a mounting arrangement according to exemplary embodiments of the invention.

The same or similar components in different figures are provided with the same reference numerals.

Fig. 1A FIG. 12 shows a cross-sectional view of a steel plate 100 used to secure a carabiner as personal protective equipment (see reference numeral 150 in FIG Fig. 1C ) on an eyelet 110, when the steel plate 100 is secured to a cavity 130 having concrete slab 140. The eyelet 110 is welded to the steel plate 102 as a personal protective equipment attachment and is adapted to selectively attach the carabiner 150 thereto.

The steel plate 100 has a sheet-like plate member 102 into which a slot 104 is drilled as an elongated through-hole structure. The slot 104 serves a screw 160 (or more screws 160, please refer Fig. 1C ) at a selectable position along the slot 104. This makes it possible to fasten the screw 160 in one of the cavities 130 of the concrete wall 140 in order to anchor the steel plate 100 to the concrete wall 140.

Fig. 1A further shows feed bores 142 drilled through a concrete plate 140 having actually closed surfaces of the cavities 130. This provides external access to some of the cavities 130.

Starting from the in Fig. 1A shown operating state, the steel plate 100 is placed on an upper surface of the concrete slab 140. Subsequently, in the case shown, two threaded screws 160 are inserted at desired and predeterminable points through the slot 104 and the access holes 142 in the externally accessible cavities 130. Before that, however, an undercut dowel 180 is inserted into each access hole 142. By inserting the screws 160 in the undercut dowel 180 then takes place spreading of undercut elements 182 of the undercut dowel 180. Thus, the in Fig. 1C received configuration shown.

Fig. 1B shows the still separate components 100, 140 accordingly Fig. 1A in a plan view, whereas Fig. 1D the already assembled components accordingly Fig. 1C in a plan view. A double arrow in Fig. 1D indicates that the corresponding screw 160 is slidable along the slot 104 so as to be able to be positioned at a desired position relative to the cavities 130 of the concrete slab 140.

Fig. 2 shows a plan view of another metal plate 102 as a mounting structure according to an embodiment of the invention. The metal plate 102 has a threaded hole 200 to which a component (such as personal protective equipment or other component) may be attached. Further, four mutually parallel extending slots 104 in corner regions of the square steel plate 102 with formed rounded corners. The geometry shown is easy to manufacture and allows for a very flexible arrangement on very differently dimensioned cavity-containing concrete slabs.

Fig. 3 shows again the in Fig. 2 shown steel plate 100, which can be connected to a first concrete slab 140 with first cavities 130. In Fig. 4 For example, the same steel plate 100 is shown just before connection to a concrete slab 140 'with other cavities 130'. Fig. 5 refers to yet another concrete slab 140 "in which cavities designated by reference numeral 130" are provided. In Fig. 6 Yet another concrete slab 140 "'is shown in which cavities 130"' with yet another geometry can be seen. In Fig. 7 For example, another concrete slab 140 "" is shown in cavities 130 "" of similar geometry to cavities 130 'in FIG Fig. 4 are provided. However, although the distances d ₁ between adjacent cavities 130 "" are the same as those in the cavities 130 ', the cavities having a different length I ₂ > I _{1 are} formed. Finally shows Fig. 8 the steel plate 100 with yet another concrete slab 140 "", in which the cavities 130 ""'are formed differently again.

Fig. 3 to Fig. 8 show how great the flexibility that can be achieved by the simple but very effective means of forming elongated holes or the like in the steel plate 102, namely that one and the same steel plate 100 with completely different concrete slabs according to Fig. 3 to Fig. 8 can be connected. To indicate the respective bolting position, these are in Fig. 3 to Fig. 8 indicated by dashed lines.

Fig. 9 finally shows a steel plate 102 as a mounting structure 100, in which instead of the slots 104, a cascade of in this case L-shaped arranged through-holes 900 are provided. By selecting a respective one of the through-holes 900 for passing a screw, a user can also respond flexibly to a changed or predetermined cavity geometry and arrangement of a concrete slab.

Fig. 10 FIG. 12 shows another steel plate 100 having four elongated holes 104 arranged in corner regions, which extend in the direction of a center of the square steel plate 100.

FIGS. 9 and 10 show that very different arrangements of slots and / or sequences of closely adjacent through holes are possible in order to achieve the desired flexibility. In Fig. 10 Further alternatives to the linear slots 104 are further shown. For example, elongated holes 104 'in the form of overlapping circular bores, elongated holes 104 "in wave or zigzag form, elongated holes 104""in meandering or elongated holes 104""in closed circular form may be provided.

In addition, it should be noted that "having" does not exclude other elements or steps, and "a" or "an" does not exclude a multitude. It should also be appreciated that features or steps described with reference to any of the above embodiments may also be used in combination with other features or steps of other embodiments described above. Reference signs in the claims are not to be considered as limiting.

Claims (15)

An attachment structure (100) for attaching personal protective equipment (150) to a cavity-bearing substructure (140), the attachment structure (100) comprising: a support member (102) having at least one elongated through-hole structure (104) each adapted to receive a fastener (160) at a selectable position along the through-hole structure (104) to secure the fastener (160) to a cavity (130); anchoring the substructure (140) to attach the attachment structure (100) to the substructure (140); a personal protective equipment attachment (110) to the support member (102) adapted to secure personal protective equipment (150) to the attachment structure (100); wherein the at least one elongated through-hole structure (104) has at least one elongated hole having a length to width ratio of greater than two, in particular greater than five. The fastener structure (100) of claim 1, wherein the at least one elongate through-hole structure (104) comprises at least one series of densely juxtaposed and separated through-holes (900). Fastening structure (100) according to claim 1 or 2, wherein the carrier element (102) has a carrier plate, in particular a metallic carrier plate. The fastener structure (100) of any one of claims 1 to 3, wherein the personal protective equipment attachment (110) is bolted or welded to the support member (102). Fastening structure (100) according to one of claims 1 to 4, further comprising at least one fastening element (160), in particular a fastening screw with optional dowel (180). The fastener structure (100) according to claim 5, wherein the dowel (180) is formed as an undercut dowel for anchoring in the cavity (130), particularly as an undercut dowel (180) to be inserted into an access hole (142), by inserting a screw (160) in the undercut dowel (180) a spreading of undercut elements (182) of the undercut dowel (180) takes place. The attachment structure (100) according to any one of claims 1 to 6, wherein the personal protective equipment attachment (110) is formed as a stopper device for securing a person. The attachment structure (100) of any of claims 1 to 7, wherein the personal protective equipment attachment (110) is selected from the group consisting of an eyelet, a hook, a rope, a carabiner, and a locking element. Fastening arrangement, comprising: an attachment structure (100) for attachment to a void-bearing substructure (140), the attachment structure (100) including a support member (102) having at least one elongated through-hole structure (104) adapted to attach a fastener (160) to a selectable one Position along the through hole structure (104) to anchor the fastener (160) to a cavity (130) of the backing structure (140) for securing the fastening structure (100) to the backing structure (140), the at least one elongate through hole structure (104 ) has at least one slot having a ratio of length to width of greater than two, in particular greater than five; and the substructure (140) to which the attachment structure (100) is attached or attachable. Fastening arrangement according to claim 9, wherein the fastening structure (100) according to one of claims 1 to 8 is formed. Fastening arrangement according to claim 9 or 10, wherein the base structure (140) is a wall, in particular a concrete wall, further in particular a prestressed precast concrete ceiling, in the interior of which a plurality of cavities (130) is arranged. The fastener assembly of claim 10 or 11, further comprising the personal protective equipment (150) adapted for attachment to the personal protective equipment attachment (110). Use of a fastening structure (100), in particular formed according to one of claims 1 to 8, comprising a carrier element (102) with at least one elongated through-hole structure (104) and a personal protective equipment attachment (110) for securing personal protective equipment (150), for receiving a fastening element (100). 160) at a selectable position along the through-hole structure (102) to anchor the fastener (160) to a cavity (130) of a backing structure (140) for securing the fastening structure (100) to the backing structure (140), the at least one elongated through-hole structure (104) has at least one elongated hole having a length to width ratio greater than two, in particular greater than five. A method of attaching personal protective equipment (150) to a cavity-bearing substructure (140) by means of a fastening structure (100), the method comprising: Selecting a position along at least one elongate through-hole structure (104) of a support member (102) of the attachment structure (100), the at least one elongated through-hole structure (104) having at least one elongated hole having a length to width ratio of greater than two, in particular greater than five, has; Receiving a fastener (160) of the fastener structure (100) at the selected position to anchor the fastener (160) to a cavity (130) of the backing structure (140) for securing the fastener structure (100) to the backing structure (140); Attaching the personal protective equipment (150) to a personal protective equipment attachment (110) to the support member (102) of the attachment structure (100). The method of claim 14, further comprising: Drilling feed bores (142) through a closed surface of cavities (130) having concrete slab (140) as a substructure to provide external access to some of the voids (130); Inserting an undercut dowel (180) into each access bore (142); Placing a steel plate (100) as a support member on an upper surface of the concrete slab (140); Subsequently, threaded screws (160) are introduced at predeterminable locations through the oblong hole (104) and the access bores (142) into the externally accessible cavities (130), so that by inserting the screws (160) into the undercut dowels (180 ) an expansion of undercut elements (182) of the respective undercut dowel (180) takes place.

Images