DE4227975A1 - Method of anchoring of two parallel wall panels - has hole drilled through panel and bolt located onto inner wall. - Google Patents

Abstract

An initial hole (6) is drilled at an angle through the wall panel into the inner wall (2). A second smaller hole (5) is drilled slightly off centre to the first. A bolt (7) is located in the holes. A bolt cap (8) eccentrically positioned on the bolt, is rotated and thus fixes the panel to the wall as well as vertically supporting the upper panel (1).The outer panel can be a weather proof cladding applied to a concrete wall. USE/ADVANTAGE - Simple and cost effective method of supporting two parallel panels and supporting upper panels.

Description

The invention relates to an anchoring method tion of two plates parallel to each other, on a front direction for guiding drills, as well as for fastening tel to support and mutually anchor two buildings elements.

In the construction sector, it was common to build buildings under To use prefabricated wall elements. The Wall elements have dimensions of 6 × 2.9, for example m and consist of a first plate, which is in shape a weather shell is formed and a second plate in the form of a concrete support shell. The prefabricated wall elements were the manufactured as follows: First, the concrete support shell cast, which is approximately 15 cm thick. in the Connection to this was an insulation on this concrete support shell layer applied, which is usually a thickness of about 6 cm. This was the first layer of insulation Plate (weather dish) with a thickness of about 6 cm poured. To make a connection between the first plate and  to get the second plate were holding rods in the Concrete support shell (second plate) and the weather shell (first Plate) introduced. The holding rods shouldn't be made of one stainless steel.

Especially when renovating existing prefabricated walls The problem arises that not be checked can whether the fasteners (support rods) in the wall construction have been introduced. Still is not verifiable whether the holding rods, as provided, from not stainless steel. Since many assumed that rusting material has been used, there is a risk that, especially by the weight of the Weather bowl, as well as by wind suction forces, the weather bowl is released from the concrete support shell.

Furthermore there is the problem that the weather shells a lot fold strong cracks, so that a subsequent loading fastening and securing the weather shell to the concrete support shell is required. In addition, in many cases additional insulation layers and / or weather layers be applied to the outside of the weather shell, so that their weight increases further, which also Ge Drive the weather shell from the concrete support shell is reinforced.

There were existing ones, especially for the renovation wall elements proposed several approaches, which are briefly described below.

First there is the possibility to use the weather shell Dowels and fasteners on the concrete support shell too fasten. The dowels have to be economically justifiable adequate number of dowels per square meter to ensure a diameter larger than 20 mm  exhibit. However, for the introduction of such holes in many cases the concrete support shell is not thick enough so that the There is a risk that these are related in particular to on the building wall). So it just exists the possibility of ver dowels with a smaller diameter turn, increasing the number of fastenings required supply points increased. This will do this very uneconomical because a large number of holes must be brought and there are no so-called heavy loads ker can be used.

A second possible approach is to use the wet terschell with the concrete support shell via so-called Ver to connect bundanker. The bond between the anchor and the concrete support shell is made using a chemical reac tion. The advantage here is that in the concrete support shell no compressive stresses are generated, as is the case with on setting and spreading a dowel is the case. The disadvantage is that from the outside of the finished walk no control over the quality of the association between the concrete support shell and the composite anchor can be done.

Another solution is also the Cut the weather pan in two or more places and a con at the opening thus created sole, a beam or the like on the concrete support shell fasten, for example using dowels and usual fasteners. The weather shell can then be placed on such consoles or supports. The disadvantage here is that the working method is very is maneuverable and cost-intensive and that is initially an end cut or cut a recess in the weather shell must be brought. It is understood that this section or to subsequently cover this recess again are. In addition, there are considerable problems with wet  terschalen, which have cracks or cracks, as these not jumped areas from below through the console or the carrier can be supported.

The invention has for its object a method for Anchoring two parallel plates, in particular to create a weather shell on a concrete support shell fen, which is simple and simple Feasibility on a high level of operational security points and under different application conditions ensures secure anchoring of the two plates. Furthermore, the invention has for its object a Device for guiding drills, in particular for passage to create the procedure which is easy to use bar and can be used efficiently. The task also exists therein, mutual support fasteners and Anchoring two components, preferably two To create panels that are simple, inexpensive producible and easy and safe to use are.

With regard to the method, the object is achieved by that at least two Boh inclined at an angle to each other arrangement in the first, outer and second, inner plate are inserted that a first Drilling the first plate with a larger diameter is formed as the second bore of the second plate, that is stuck in the second hole in the first hole protruding bolt is inserted that on the Bolt an eccentric that fits into the first hole Clamping sleeve is attached, and that the clamping sleeve after is subsequently twisted.

The method according to the invention is characterized by a A number of significant advantages. In the invention  The procedure is as follows in detail is written, the anchorage of the bolt in the concrete Carrying shell (second, inner plate) by inserting or hammering in, there is no spreading, as with the Use a dowel so that the on the concrete support shell applied compressive stresses are low. This will bursting or damage to the concrete support shell locked out. Furthermore, it is by means of the fiction method possible, bolts of relatively large diameters to use sers, for example with a diameter of 24 mm. The inventive use of the adapter sleeve ge if there is tension by twisting the adapter sleeve between the first and second plates. As the two drilling arrangement made in the plates are arranged at an angle to each other, takes place a secure anchor, but not a shift the first to the second plate. The Ver driving style allows any number of combinations to introduce two such hole arrangements, so that the anchoring of the two plates depending on the given circumstances.

The method according to the invention is particularly inexpensive feasible since the individual bolts (anchoring element elements) have a high degree of strength. It just has to introduced a limited number of hole arrangements will.

The method according to the invention is not only for renovation existing prefabricated wall elements suitable, it can rather also used for the production of new wall elements to the two plates already in the manufacturing phase connect securely with each other.  

In a first step, the first bore by means of a first sleeve Device through the first plate and subsequently in one second step, the second hole using a second sleeve inserted into the second plate. This before approach ensures on the one hand that the two holes gene in the desired assignment to each other, on the other hand, the use of an auxiliary device ensures with appropriate sleeves an exact alignment and guidance tion of the drill so that even inexperienced workers invent it be able to use the procedures according to the invention without errors.

It is particularly favorable if the central axes of the Boh Arrangements arranged in a horizontal plane are. This results in, apart from advantages the creation of the hole arrangements, stable power ver Ratios, which are a tilting of the two concrete slabs relative to each other when clamping the clamping sleeve, as well as a Prevent uneven application of force. Particularly good Stig it is when the central axes of the bore arrangement the same angle to the plane of the plates are inclined. As a result, the production is ver simple because both holes by means of an auxiliary device can be introduced, the auxiliary device le diglich must be turned. On the other hand, there are the same balance of power.

It can reinforce the clamping effect of the adapter sleeve be particularly beneficial when center axes are the first and the second hole in the horizontal plane parallel are offset from one another. The two holes are thus eccentric to each other, so that to tension the clamping the eccentricity of the two central axes of the Bores added to the eccentricity of the adapter sleeve.  

The offset of the central axes of the two holes he preferably follows in the vertical direction, since on this Way the upward force component of the instep sleeve can be reinforced when twisted.

According to the invention, an insulation between the two plates Be introduced layer of material, the first, outer Boh tion also penetrates the insulation layer.

Regarding the device for guiding the drill the underlying problem is solved by a cylindrical Guide tube, in which optionally a first cylindrical Sleeve, which with a central, the diameter of a first drill adapted recess is provided, and a second cylindrical sleeve, which with an eccentric rule, adapted to the diameter of the second drill is provided, can be introduced.

The device according to the invention is characterized by a A number of significant advantages. The cylindrical guide tube allows the insertion of two sleeves to guide the two drills to produce the two different di dimensioned holes. The operator can thus place the device at the desired location and subsequently in a precisely aligned manner drill both holes. The cylindrical sleeves ge ensure a smooth guidance of the drill. The guide tube is preferably befe on a carrier and inclined at an angle to the plane of the plates. The carrier can be in the form of a guide, for example be formed rail, it is possible to on the carrier to provide additional mounting or fixing devices core to re the devices in a particularly simple manner  relative to the large-area first panel can, so that an even arrangement of holes is produced.

The first and the second sleeve, as well as the guide tube are each preferably with an anti-twist device hen, in particular the eccentric second sleeve exactly to be able to hold.

It is particularly favorable if the anti-rotation device Sleeve axially locked in the respective guide tube and for this purpose, for example, from a transverse slot in the guide tube, a flat on the circumference of the sleeve and one There is a spring clip, which, crossing the cross slot, lies against the flattening. This version is special inexpensive, because an approximate securing of the longitudinal and Rotation of the sleeves is sufficient.

Furthermore, the task with regard to attachment mutual anchoring of two, preferably slabs shaped components solved by a cylindrical bolt zen and a cap-like, rotatable on the bolt bare cylindrical adapter sleeve, which with an eccentric is provided. The bolt is more preferred made of stainless steel, just like the adapter sleeve. Since the adapter sleeve is the head or the free one Grips the end of the bolt, is a secure anchorage of the Collet on the bolts guaranteed. At the same time, the Clamping sleeve has a sufficient outer surface to in the Bore of the outer, first plate to be jammed.

The adapter sleeve is preferably with at its free end a tool engagement surface, for example egg Nem polygonal profile for attaching a common nut or egg other tool.  

To prevent the preload of the adapter sleeve resolves over time, it is beneficial if this ver rotation lock includes. The anti-rotation lock can also be used a separate securing element can be provided, which placed on the adapter sleeve and, for example, with their Tool engagement surface can be brought into engagement. The Si securing element can be designed in the form of a plate, which is also used to seal and cover the Boh arrangement as well as the adapter sleeve.

Furthermore, it may be advantageous if the Bolt and / or the clamping sleeve a separate impact tool is used, which damage the bolt and / or the adapter sleeve prevented.

A particularly advantageous embodiment of an invention contemporary fastener arises from the fact that Recess in the adapter sleeve up to a stop collar is enough, the adapter sleeve on its facing away from the bolt Front side limited, and if the stop collar a has coaxial through hole for the recess. On this way it is possible to remove the bolt in one fell swoop to move the tool axially in the direction of the second plate ben, even if the adapter sleeve is already installed. On in this way it can be ensured that the adapter sleeve is so far that it is with the outer surface of the the first plate is at least flush and not in front stands.

It is special as an anti-rotation device for the adapter sleeve suitable if a diagonally penetrating sleeve screw or stiffener reaching into the first plate tion is provided. A special cover plate is here at not required.  

The invention based on an embodiment example described in connection with the drawing. There at shows:

Fig. 1 is a side view of the invention Vorrich tung with a guide tube,

Fig. 2 is a plan view, partly in section, tung, by a wall element and the Vorrich shown in Fig. 1,

Fig. 3 is a sectional view similar to Fig. 2, in which the arrangement is shown for the introduction of the second bore in a bottom view,

Fig. 4 is a view of the arrangement shown in Fig. 3 in a side view;

Fig. Gen 5 is a schematic sectional view view, in plan, two of finished Bohrungsanordnun,

Fig. 6 is a bottom view, similar to Fig. 3, the arrangement for introducing the fixing means,

Fig. 7 is a sectional view taken along line AA of Fig. 6,

Fig. 8 is a side sectional view, similar to FIG. 4, the arrangement shown in Fig. 6 is shown,

Fig. 9 is a sectional view taken along line BB of Fig. 8,

Fig. 10 is a side view of the Anord shown in Fig. 8 voltage in the assembled state,

Fig. 11 is a side view of an embodiment ei nes fuse element,

Fig. 12 is an end view of the gezeig th fuse element in Fig. 11

Fig. 13 is a side view of the An shown in Fig. 10 properly assembled with securing element,

Fig. 14 is an end view of the gezeig th in Fig. 13 securing element,

Fig. 15 is a sectional side view similar to FIG. 10, but attachment means with a modified embodiment of Be,

Fig. 16, but rotated the region of the clamping sleeve of Fig. 15 at 90 ° and slightly enlarged and

Fig. 17 is a plan view analogous to Fig. 2, but with a modified version of the anti-rotation device between the guide tube and the associated sleeve.

Fig. 1 shows a side view of a game Ausführungsbei an inventive device for guiding drills. The device comprises a carrier 15 which can be plate-shaped, rod-shaped or in any other way. On the carrier 15 , a guide tube 11 is attached, which, as is evident from FIGS . 1 and 2 , is inclined to the plane of the plates 1 and 2 to be processed. The first plate 1 is, based on the wall of a building, the outer plate and forms the wet terschale. Within the first plate 1 , an insulation layer 20 is arranged, which borders on the second plate 2 , which in turn forms an internal concrete support shell.

As shown in Fig. 2, he ste sleeve 9 can be inserted into the guide tube 11 , which is provided with a central recess 13 from . Through the central recess 13 , a first drill 12 can be carried out, which is guided by the most sleeve 9 . The diameter of the recess 13 is correspondingly adapted to the outside diameter of the first drill 12 .

The guide tube 11 is seen with an anti-rotation device 16 which, as can be seen, for example, from FIG. 4, has the shape of a protruding pin which can be inserted into a corresponding recess in the sleeve.

As can be seen from FIG. 2, a first bore 5 is made through the first plate 1 and the insulation layer 20 by means of the first drill 12 .

FIGS. 3 and 4 respectively show in bottom view and in side view the arrangement for introducing a two-th hole 6 of smaller diameter. For this purpose, a second drill 14 a is used, which is guided in a second sleeve 10 . The second sleeve 10 has a recess 14 which is eccentric to the cylindrical outer contour of the second sleeve 10 . The offset is, for example, 1.5 to 2 mm with a diameter of the second drilling 6 of 24 mm. It is understood that the diameter of the recess 14 is adapted to the diameter of the second drill 14 a.

Fig. 5 shows in the sectional view of two mutually parent bore to arrangements 3 and 4, each consisting of the first bore 5 and second bore 6.

The two bore arrangements 3 and 4 are, as the top view of FIG. 5 shows, arranged in a horizontal common plane, but each inclined at an angle alpha to the normal to the plates 1 and 2 . Since the eccentric offset of the bores 5 and 6 takes place in the vertical direction, this cannot be seen in FIG. 5, similarly to FIG. 3.

FIG. 6 shows a view of the bore arrangement analogous to FIG. 3, a bolt 7 being shown, which can be inserted firmly into the second bore 6 , as is shown in FIG. 10. On the free end of the bolt 7 , which is dimensioned in length so that it also projects into the second bore 6 , a cylindrical clamping sleeve 8 is placed. This has a tool-grip surface 17 , for example in the form of a Schlit zes. As the sectional view of FIG. 7 shows, from recess 23 of the clamping sleeve 8 is arranged eccentrically to the outer contour thereof, so that twisting of the clamping sleeve 8 causes the bolt 7 to be clamped over the clamping sleeve 8 with the plate 1 .

FIGS. 8 and 9 show the presentation of Fig. 6 and 7 respectively in the staggered by 90 °, wherein the offset insbeson particular the center axes of the bores 5 and 6 again is visible. Furthermore, the eccentricity of the recess 23 of the clamping sleeve 8 can be seen particularly well.

Fig. 10 shows the fully assembled state of the bolt 7 and the clamping sleeve 8 , the clamping sleeve 8 is not yet twisted, as is evident from the position of the lines 21 . FIG. 13 shows a twisted, tensioned state of the clamping sleeve 8 , in which the first plate 1 is biased or shifted upwards.

FIGS. 11 and 12 show a plate-shaped Si cherungselement 18, which is provided with a bead 22 in the tool-engaging surface (groove) 17 is carrying in bar. The securing element 18 comprises an anti-rotation device 19 , which can be designed in the form of a bore into which a bolt or nail can be driven. Fig. 13 shows the locked state in which the fuse element 18 and thus also the clamping sleeve 8, as compared with FIGS. 10 to 12, are rotated by 90 °. The clamping sleeve 8 can be rotated by a maximum of 180 °, the clamping sleeve taking up the entire load on the first plate (weather shell). By tightening the clamping sleeve there is also a bracing of the bolt 7 in the first bore 5 , so that it is also fixed in the horizontal direction Rich. An additional fastening of the bolt 7 is not necessary.

A slightly altered form of the Fixed To inventive branching agent, FIGS. 15 and 16. This is an already provided on the clamping sleeve 8 stop collar 24, the side of the recess 23 on the bolt 7 remote from the end limits, having a to the recess 23 and thus hen to the bolt 7 coaxial through bore 25 verses, which is large enough that even after the insertion of the clamping sleeve 8 in the plate 1 of the bolt 7 by means of a striking tool can be moved further in the direction of the plate 2 when the clamping sleeve 8 with the outer surface plate 1 is not yet flush. The anti-rotation device 19 is realized here by means of a screw connection 26 which passes through an oblique recess 27 of the clamping sleeve 8 and is screwed into the plate 1 .

The invention thus enables the fixing of a first plate to a second plate in a particularly simple manner, the invention being applicable both for repair or restoration purposes and for new production. Since the bolt 7 and the clamping sleeve 8 are each fixed by jamming, control measures are unnecessary, which would be necessary, for example, in the case of chemical gluing or a similar type of fastening. Furthermore, it can be checked in a particularly simple manner whether the bolt 7 has been completely inserted into the second bore 6 . At the same time, the device according to the invention ensures the correct insertion of the bore arrangements 3 and 4 , in particular it is ensured that the bores have the exact, desired depth.

FIG. 17 shows an anti-rotation lock 16 between the sleeves 9 and 10 and the respective guide tube 11 which is somewhat different from the embodiment according to FIG. 2. The anti-rotation device 16 consists of a transverse slot 16 a of the guide tube 11 , a flattened portion 16 b on the circumference of the sleeve 9 and 10 and a spring clip 16 c which is inserted into the transverse slot 16 a when the sleeve 9 or 10 is inserted into the guide tube 11 ; it must then rest against the flattened portion 16 b and secures the sleeve 9 or 10 against rotation, but also against axial displacement in the guide tube 11 .

In addition, in Fig. 17 can also be seen that he inventive device on the carrier 15 with Hal teschraub 28 and dowels 29 attached to the plate 1 who must before the method according to the invention is tackled.

The invention is not based on the embodiment shown limited game, rather arise in the context of Er diverse modification and modification possible keiten.

Claims (24)

1. A method for anchoring two mutually parallel plates, in particular a weather shell on a concrete support shell, characterized in that at least two bore arrangements ( 3 , 4 ) inclined at an angle to one another in the first, outer ( 1 ) and second, inner ( 2 ) plate are introduced that a first hole ( 5 ) of the first plate ( 1 ) is ausgebil det with a larger diameter than a second hole ( 6 ) of the second plate ( 2 ) that in the second hole ( 6 ) stuck in the first bore ( 5 ) projecting bolt ( 7 ) is inserted that on the bolt ( 7 ) an eccentric, in which he most bore ( 5 ) fitting clamping sleeve ( 8 ) is inserted, and that the clamping sleeve ( 8 ) subsequently rotates becomes. 2. The method according to claim 1, characterized in that in a first step, the first bore ( 5 ) by means of a first sleeve ( 9 ) comprising device through the first plate ( 1 ) and subsequently in a second step, the second hole ( 6 ) are introduced into the second plate ( 2 ) by means of a second sleeve ( 10 ). 3. The method according to any one of claims 1 or 2, characterized in that the central axes of the bore arrangements ( 3 , 4 ) are arranged in a horizontal plane. 4. The method according to any one of claims 1 to 3, characterized in that the central axes of the bore arrangements ( 3 , 4 ) are inclined by the same angle to the plane of the plates ( 1 , 2 ). 5. The method according to any one of claims 1 to 4, characterized in that the central axes of the first ( 5 ) and the second ( 6 ) bore are offset parallel to one another in the horizontal plane. 6. The method according to claim 5, characterized in that the center axes are shifted vertically. 7. The method according to any one of claims 1 to 6, characterized in that the clamping sleeve ( 8 ) is rotated so that it applies a substantially upward force on the first plate ( 1 ). 8. The method according to any one of claims 1 to 7, characterized in that an insulating layer ( 20 ) is arranged between the first ( 1 ) and the second ( 2 ) plate, the first bore ( 5 ) also through the insulating layer ( 20 ) extends. 9. Device for guiding a drill, in particular for performing the method according to one of claims 1 to 8, characterized by a cylindrical guide tube ( 11 ), in which optionally a first cylindrical sleeve ( 9 ), which has a central, the diameter of a first Drill ( 12 ) adapted recess ( 13 ) is provided, such as a second cylindrical sleeve ( 10 ) which is provided with an eccentric, the diameter of a second drill ( 14 a) adapted recess ( 14 ) can be introduced. 10. The device according to claim 9, characterized in that the guide tube ( 11 ) is fixed to a carrier ( 15 ) and is inclined at an angle to the plane of the plates ( 1 , 2 ). 11. The device according to claim 9 or 10, characterized in that the first ( 9 ) and the second ( 10 ) sleeve as well as the guide tube ( 11 ) are each provided with an anti-rotation device ( 16 ). 12. The apparatus according to claim 11, characterized in that the anti-rotation device ( 16 ) axially locks the sleeve ( 9 , 10 ) in the respective guide tube ( 11 ). 13. The apparatus of claim 11 or 12, characterized in that the anti-rotation ( 16 ) from a transverse slot ( 16 a) in the guide tube ( 11 ), a flattened portion ( 16 b) on the circumference of the sleeve ( 9 , 10 ) and a Federklam mer ( 16 c), which, through the transverse slot ( 16 a) passing through, rests on the flattened portion ( 16 b). 14. Fastening means for mutually anchoring two, preferably plate-shaped components ( 1 , 2 ), in particular for performing the method according to one of claims 1 to 8, characterized by a cylindrical bolt ( 7 ) and a cap-like, rotatably attachable to the bolt ( 7 ) cylindrical clamping sleeve ( 8 ), which is provided with an eccentric recess ( 23 ). 15. Fastening device according to claim 14, characterized in that the bolt ( 7 ) is made of stainless steel GE. 16. Fastening device according to claim 14 or 15, characterized in that the clamping sleeve ( 8 ) is made of stainless steel. 17. Fastening device according to one of claims 14 to 16, characterized in that the clamping sleeve ( 8 ) at its free end with a tool engagement surface ( 17 ) is hen. 18. Fastening device according to one of claims 14 to 17, characterized in that the clamping sleeve ( 8 ) comprises a rotation lock Ver ( 19 ). 19. Fastening device according to claim 17, characterized by an anti-rotation device ( 19 ) having, with the tool engagement surface ( 17 ) engageable hedging element ( 18 ). 20. Fastening device according to claim 19, characterized in that the securing element ( 18 ) is designed in the form of a cover plate. 21. Fastening element according to one of claims 14 to 17, characterized in that the recess ( 23 ) in the clamping sleeve ( 8 ) extends to a stop collar ( 24 ) which the clamping sleeve ( 8 ) on its end facing away from the bolt ( 7 ) limited. 22. Fastening element according to claim 21, characterized in that the stop collar ( 24 ) has a through-bore ( 25 ) coaxial to the recess ( 23 ). 23. Fastening element according to claim 18, characterized in that a locking sleeve ( 8 ) obliquely penetrating, in the first plate ( 1 ) rei-fitting screw ( 26 ) or pinning serves as an anti-rotation device ( 19 ). 24. Fastening element according to one of claims 1 to 23, characterized in that in each case two Bohrungsanordnun gene ( 3 , 4 ) lie in one plane.