EP3426855A1 - Élément d'écartement et dispositif de fixation pour des parties à fixer sur un bâtiment à travers une façade - Google Patents

Élément d'écartement et dispositif de fixation pour des parties à fixer sur un bâtiment à travers une façade

Info

Publication number
EP3426855A1
EP3426855A1 EP17712703.2A EP17712703A EP3426855A1 EP 3426855 A1 EP3426855 A1 EP 3426855A1 EP 17712703 A EP17712703 A EP 17712703A EP 3426855 A1 EP3426855 A1 EP 3426855A1
Authority
EP
European Patent Office
Prior art keywords
building wall
threaded rod
anchor
reinforcement
thermal insulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17712703.2A
Other languages
German (de)
English (en)
Inventor
Thomas Giller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giller Jutta
Original Assignee
Giller Jutta
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giller Jutta filed Critical Giller Jutta
Publication of EP3426855A1 publication Critical patent/EP3426855A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7637—Anchoring of separate elements through the lining to the wall

Definitions

  • the invention relates to spacers and fasteners for through a facade through to be fastened to buildings parts. All buildings have a facade.
  • the façade often includes thermal insulation and before that a plaster layer or other non-load-bearing layer.
  • Threaded rods anchored as spacers whose length is such that they protrude in front of the building through the thermal insulation and also protrude beyond the heat insulation, which is required for the attachment of the parts to be fastened in front of the facade.
  • the threaded rods are mostly Ml 2 rods. That is, there are rods with 12mm outer diameter and a metric thread on the circumference. Such threaded rods have a certain load limit.
  • the threaded rods are usually glued into corresponding holes in the building. To do so, drilled holes in the building wall by existing thermal insulation, then introduced adhesive and pressed the threaded rods in the adhesive. In rarer cases, the
  • the invention has recognized that the threaded rods form thermal bridges and that their selection and installation is often inadequate.
  • the defects include inaccurate positions of the threaded rods, misalignment of the threaded rods and too much or too little protruding of the threaded rods compared to an existing thermal insulation.
  • the object of the invention has been found to facilitate a defect-free attachment of the parts.
  • the bore is first made through the thermal insulation into the building, which is conventionally required for the dowel and the adhesive.
  • This hole is drilled in the heat insulation on the measure according to the invention.
  • the drill can serve as a guide, which is provided for the smaller hole in the building.
  • the drill for the insertion of the threaded rod bore is regularly a stone drill. These are drills with one
  • Carbide tip There are such stone drills in the market, which can be severed when drilling in concrete and its concrete steel reinforcement. However, the drilling progress is significantly reduced when the masonry drill hits the reinforcing steel reinforcement.
  • the tool for making the larger bore in the insulation is, for example, a light one
  • the stone drill can be mounted on the stone drill bit.
  • the larger hole in the thermal insulation is used according to the invention to screw after bonding the threaded rod in the building a reinforcement on the threaded rod and to clamp against the building wall.
  • the ability of the threaded rod is used to absorb much more tensile load than Beigelast.
  • the reinforcement may be an annular thickening with a corresponding bearing surface on the building wall.
  • the diameter of the reinforcement is equal to the inner diameter of the bore in the
  • the reinforcement may be a cylindrical sleeve with a collar towards the building wall and an internal thread in the sleeve.
  • the collar serves as a support; the internal thread for screwing.
  • the reinforcement may be in one piece or composed of several parts.
  • the annular or cylindrical reinforcement is provided with a collar which has a narrow edge on the building wall side. Then, the edge forms the interface with the building wall and reduces the milling work to prepare for the attachment of the reinforcement to a fraction of the required for a full-surface contact of the collar on the building wall milling work, namely on the corresponding to the edge of the collar of the reinforcement Building wall surface, an annular narrow strip.
  • adhesive that swells out of this when penetrating the anchor in the borehole can remain so within limits. In limits, too much glue must be removed, while removing the excessive
  • the amount of adhesive need not be applied with care on the surface enclosed by the above-mentioned annular contact surface.
  • Threaded rod on the building wall can also be a bonding of the
  • the gluing of the reinforcement can be done after bonding the threaded rod in the borehole.
  • the gluing can also be done simultaneously with the gluing of the threaded rod.
  • the adhesive is placed between the reinforcement and the building wall. There forms at the interface a layer of material to which the reinforcement can rest properly without a processing of the surface would have to take place with a cutter.
  • the bonding creates a connection between the reinforcement and the building wall. This adhesive joint relieves the threaded rod or takes part of the effective load forces in the case of load.
  • the adhesive between the building wall and the reinforcement unfolds particularly high adhesive forces when the reinforcement is stretched against the building wall.
  • Such adhesives are sensitive to pressure.
  • the clamping force can be transmitted to the reinforcement with a nut without the risk of entrainment of the reinforcement.
  • the washer can optionally be provided with edges at the same time, which protrude from the edge of the nut and at the same time with respect to the head of the reinforcement and can be folded after the tension with one part around the head of the reinforcement and with the other part around the nut. This creates an additional backup of the reinforcement and the nut against loosening.
  • deviations of the building wall from the vertical can also be compensated in such layer formation.
  • the adhesive layer then forms a leveling layer for unevenness of the building wall and deviations of the building wall from the vertical. This facilitates an exactly horizontal mounting of the threaded rods.
  • the adhesive is preferably the same, which is also used for gluing the
  • a suitable adhesive is, for example, a gel-type, solvent-free two-component adhesive based on
  • Epoxy resin with a cycloaliphatic polyamine hardener is for example, under the name Akepox 5010 commercially available.
  • the advantage is a minimal shrinkage during curing of the adhesive.
  • Building wall by itself a flat, vertical contact surface for a support of the reinforcement on the building wall.
  • the reinforcement is against the building wall
  • Either the reinforcement is provided with an appropriate for the threaded rod internal thread.
  • the reinforcement can then be rotated on the threaded rod until the desired tension is achieved.
  • the reinforcement can be secured in the respective Anspreßgna on the building wall.
  • the central hole in the reinforcement is formed as a through hole and the clamping is done with a nut on the threaded rod.
  • a backup of the pressing position can be done by means of a lock nut.
  • For the bracing are one-piece or multi-part spanner, which engage with a tubular part on the threaded rod and are adapted to the front end of the tubular part of the nut or lock nut or optionally engage in suitable recesses of the reinforcement.
  • To the Spann negotiatel also includes a lever arm, with which the torque is applied for the tension.
  • lever arm is at the same time designed as a ratchet and can therefore be moved back and forth during clamping.
  • Bonding of the threaded rod is not overloaded when bracing the reinforcement.
  • the threaded rod has a profiling such as a reinforcing steel rod at the area reaching into the borehole. Then the threaded rod can regularly record much more torque than a threaded, in the hole cross-section of the
  • the threaded rod can then also be referred to as an anchor.
  • Touching surface with the building wall has a profiling that gives the touch surface high friction with the building wall, better still causes a claw in the building wall. Then there are less
  • the reinforcement causes a stiffening of the threaded rod.
  • the stiffening in the longitudinal direction of the threaded rod has a dimension which is at least equal to 1/3 of the thickness of the thermal insulation, still more preferably has a dimension which is at least equal to 0.5 times the thickness of the thermal insulation, and most preferably has a dimension which is at least equal to 2/3 of the thickness of the thermal insulation.
  • the reinforcement can consist of concrete.
  • the reinforcement can be made of steel.
  • the reinforcement consists of a high strength plastic with low heat transfer coefficient compared to other materials.
  • high-strength plastics reference is made to DD242194, DD 142166, DD140120, DE 102014102826, DE102015007004, DE102014115506,
  • the low heat transfer coefficient is advantageous for the insulation.
  • the gain can increase in the direction of the
  • the reinforcement has a cylindrical body instead of the tapered body.
  • the reinforcement has no significant influence.
  • the advantage of the cylindrical shape of the reinforcement lies in the filling of the borehole in the
  • the borehole can be filled to the edge of the thermal insulation.
  • the additional cylindrical parts are preferably like the
  • building-side reinforcement made of a non-foamed, high-strength
  • Plastic Depending on the burden of the connection of the spacer with the parts intended for attachment in front of the facade also less solid plastic, including foamed plastic for the production of other cylindrical body can come into question.
  • the additional cylindrical parts are then optionally glued to the cylindrical reinforcement and / or screwed to give the construction even more strength.
  • Threaded rod protrudes the threaded rod for the connection with the parts to be fastened in front of the facade in relation to the thermal insulation.
  • thermal decoupling For thermal decoupling reference is made to
  • the part provided with the blind holes may also be formed by bonding two cylindrical threaded parts provided with through-threaded holes with an intermediate part without through-hole.
  • the tapered reinforcement is material-saving and meets all requirements, if the penetrating thermal insulation have the same thickness or only a few different thicknesses of relevant Thermal insulation must be considered and / or the differences in thickness of the relevant thermal insulation are low.
  • variable-length reinforcement may be the same length as that conventionally projecting out of the building wall
  • Threaded rod have.
  • the reinforcement can have a measure equal to the thickness of the
  • the reinforcement may have a dimension that is less than the thickness of the thermal insulation.
  • the extensibility of the reinforcements opens up various advantages for the assembly.
  • variable-length reinforcement consists of one another and can be pushed apart or screwed into each other and apart
  • Reinforcing parts Such reinforcing parts have over the length at least partially the same dimensions.
  • the length-adjustable reinforcing parts exist at least partially made of plastic with low heat transfer. The necessary strength of the construction is achieved by using high-strength unfoamed
  • Sliding can be various profiles.
  • Hollow sections in particular tubes, which can surround a threaded rod. Clamps and pins or the like can prevent inadvertent adjustment of the profiles
  • Screw parts regularly have a circular cross-section.
  • the pins are provided building wall side or connected to the building wall and the pipe sits with a screw on the pin.
  • At least the tube is made of heat-insulating
  • At least the pipe forming the connection to the building exterior wall consists of heat-insulating, high-strength plastic.
  • the tubes can also consist of several layers of different materials to increase the load capacity.
  • the pins are preferably with a collar and a central
  • Threaded rod / anchor plugged or bolted compared to the conventional threaded rods only a fraction of the
  • the pin is provided for screwing with a molded-nut. Molded means that during the shaping of the pin in a mold cavity, the nut is placed in the necessary place and the nut (leaving the
  • the pin is provided with the external thread required for screwing to the further reinforcement part.
  • the pin can be described in the above to reinforcements in general
  • the threaded rod does not have to protrude much farther from the borehole than is required for bolting to the journal. However, it can continue to protrude.
  • the pin is preferably made with a collar, if the necessary diameter for a pipe corresponding to the pin in the outer diameter can be significantly smaller than the necessary
  • the certain amount is at least equal to the double
  • the pin has a cylindrical body with external thread
  • the corresponding pipe with the pin is preferably provided at one end with an internal thread for screwing with the pin and closed at the other end and provided with a connection for the building to be fastened parts.
  • the pipe has such a large thickness that it can withstand the stresses of attaching the part to be fastened in front of the facade.
  • In the closed pipe end sits a threaded rod, so that a connection of the front of the facade to be fastened parts as in conventional spacers is possible.
  • the threaded rod is in the closed tubes on both sides of the threaded rod
  • At least one ventilation opening is located at the closed end of the tube. If it can be seen that the limit is exceeded and no adaptation to extremely thick thermal insulation is possible, for example, find another pin application, which has a greater length, so that the spacer according to the invention for larger
  • a tube (inner tube) which has an external thread and by means of
  • the building wall facing away from the end of the pipe provided for the pin is open.
  • the inner tube and the surrounding outer tube are arranged reversed. Then the outer tube with the
  • the spacer may also consist of two pins and a sleeve.
  • the building-wall-side pin can correspond to the above-explained in the combination of pin and tube pin and also can be handled. That is, this pin can be glued or screwed or glued and screwed to the building wall.
  • the sleeve is screwed.
  • the sleeve corresponds to the tube in the combination of pin and tube described above. Unlike the tube, the sleeve is continuous with one
  • the second pin has, unlike the first and building-side spigot no central through-threaded hole.
  • a blind hole is provided with an internal thread. In the blind hole sits a piece of threaded rod and protrudes so far that the second pin provides a same connection for front of the facade to be fastened parts as conventional spacers.
  • the blind hole is not mandatory. The same can be achieved with a through threaded hole in the second pin, with a longer threaded rod piece and a nut. Then that can
  • Threaded rod piece can be locked with the nut in the second pin.
  • the two pins are the same except for the pin length, so that, for example, the shortest first pin can also be used as a second pin and vice versa.
  • Adaptation to large thermal insulation thicknesses pin be provided with greater length.
  • the pins can initially be turned out of solid.
  • the sleeves are made as longer sleeves, the length being such that by division at least two shorter useful sleeves each
  • this is a two-component adhesive application, which cures with sufficient delay.
  • existing cavities can be filled in the spacers. This is, for example, mounting foam.
  • the load capacity of the spacers according to the invention is much greater than the load of conventional spacers.
  • the load was measured in kilonewtons (kN) at the end of a Ml 2 threaded rod spaced 140mm or 160mm, 180mm or 200mm from the building wall at the head of the threaded rod due to bending to a vertical deflection of 1mm is coming.
  • kN kilonewtons
  • Heat insulation is to be installed and the attachment of the awning is to take 5kN under consideration of possible wind loads, then sufficient with the inventive fastening / spacers 5 attachment points, while in the conventional attachment with 40 attachment points must be expected. With so many fixing points, the question must be answered as to whether the building wall still has sufficient strength in the area of the awning.
  • a threaded rod / anchor which is glued in a borehole of the building and protrudes from the building wall to be connected to the spacer.
  • Threaded rod / anchor is connected and
  • the part of the spacer facing away from the building can be connected to the part to be fastened in front of the facade
  • Shortened screws can be shortened and extended by unscrewing
  • the building wall may have various texture consisting of concrete, brick, perforated brick, hollow block, sandstone, aerated concrete and the like.
  • the crown drill provided here has a sleeve, one end of which forms a cutting edge. In the middle of the sleeve is adapted to the wellbore
  • Guidance is provided which protrudes sufficiently far from the sleeve to effect guidance in the thermal insulation and in the wellbore.
  • the sleeve picks up the material cut out by it. Without the leadership of the crown drill would be a known sleeve-shaped drill for
  • the threaded rod has the function of an anchor.
  • threaded rod and other anchors can be used, for example, rods which are formed in the region of the bore like reinforcing steel and in the region of the screw with the spacer thread.
  • a tool for example, is a mandrel comprising the threaded rod / anchor at the threaded end, so that a short threaded rod / anchor can be pushed through the hole in the insulation in the hole in the building wall.
  • a cone / funnel can be helpful, which is positioned on the mandrel so that it rests in the hole in the insulation when the
  • Threaded rod / anchor in the bore of the building wall has reached the predetermined position. This prevents the cone / hopper from skewing the threaded rod / anchor and the cone causes a position accuracy for the threaded rod / anchor in the longitudinal direction of the bore.
  • the mandrel After solidification of the adhesive, the mandrel can again from the
  • Threaded rod / anchor are deducted.
  • an end mill is used as a router.
  • This cutter has a hole in the middle, which is adapted to the diameter of the threaded rod / anchor.
  • the outer diameter of the cutter is adapted to the diameter of the bore in the thermal insulation.
  • Threaded rod / anchor is adapted.
  • the nut / insert of the plastic material of the building side spacer member is enclosed so that the loads from the attachment of the parts safely over the
  • Spacer and the threaded rod / anchor are routed into the building.
  • the preparation of a building-side spacer member is preferably carried out by injection molding in a mold in which before filling a liquid
  • a reinforced plastic is preferably provided for the building-side spacer member.
  • a reinforcement for example, high-strength fibers can be used, which are einmischbar in a liquid plastic melt. Even fibrous fine wires are suitable as a reinforcement.
  • the mixture can also be injection molded into the building
  • Spacer part are formed.
  • Such trained spacer member is rotated during assembly for connection to the threaded rod / anchor.
  • the building-side spacer part has for this purpose a sufficiently large opening, for example in the form of a bore, and
  • the nut / insert may be on the
  • Spacer part is clamped with the edge against the support surface on the building.
  • the mandrel may include the nut / insert.
  • the insert can also be designed as the nut of a socket set.
  • Nuts of a socket set are components that are suitable on one side for receiving a screw head or a nut and have on the opposite side a recess into which a socket wrench can engage.
  • the nut / insert also form a special component; For example, a sleeve which has a thread at one end and is suitable at the other end, the engagement end of a socket wrench
  • Such a socket wrench may for example be designed as Allen key or be a square key.
  • a ratchet is part of a socket set.
  • a socket wrench can be moved back and forth and still a screw or a nut can be moved only in a selected direction of rotation.
  • a ratchet which is installed in the head of the ratchet and engages only in the selected direction of rotation in a sprocket and a connection of the ratchet arm with the
  • Sprocket manufactures or slides in the other direction over the teeth of the sprocket.
  • the bolting of the spacer in each of the embodiments discussed above is controlled with the threaded rod / anchor.
  • This can be done by a torque wrench is used after a preliminary tension of the screw.
  • the torque wrench can be placed on the socket wrench and transmits only one
  • the belonging to the spacer further part is preferably also made of plastic, more preferably of the same plastic as the building side spacer member.
  • the further spacer member has the corresponding thread to the thread of the building-side spacer member. If the building-side spacer member has an external thread for the screw connection with the further spacer member, the thread of the further spacer member is an internal thread. The situation can also be reversed. Then it is the external thread on the further spacer part and the internal thread on the building-side spacer part.
  • the thread is a fine thread.
  • the screw remains in the application of a fine thread even in the desired screw position, if a screw of the other
  • Spacer part takes place with a part to be fastened.
  • the selected screw position can be additionally secured.
  • a fuse is suitable for example a lock screw. It can be the
  • Spacers are also drilled in the screwing and a pin inserted into the hole. It can also be given a setting adhesive on the thread in the setting of the spacer, so that the curing adhesive blocks the screw.
  • the adhesive is preferably a two-component adhesive and is chosen so that the time to curing of the adhesive is long enough to set all spacers to the desired level.
  • a threaded pin For screwing the other spacer member with the part to be fastened sits in the end of the further spacer member a threaded pin.
  • the threaded stem may be molded, as discussed above in connection with a molded nut / insert.
  • the threaded pin can also be screwed.
  • Ventilungsöf hung after the adjustment of the spacer is also used to fill a curing agent, with which the spacer is secured against an adjustment.
  • a rosette / cover for covering the spacer head is provided between the spacer and the part to be fastened. It is advantageous if the rosette / cover at the same time engages over the facade, so that an ingress of moisture between the insulation and the
  • Spacer is prevented. This prevents damage to the facade during frost.
  • the seal can still with a sealing washer between the
  • Rosette / lid and the facade can be increased.
  • the rosette / lid is also glued to the facade.
  • Hydraulic piston / hydraulic cylinder is formed.
  • Hydraulic cylinder engages around the piston and is acted on at least one side with hydraulic fluid until the piston occupies a certain position. Thereafter, the hydraulic line is blocked and the piston remains in the desired position.
  • Hydraulic fluid filled a liquid adhesive or other material that solidifies and locks the piston in the desired position in which the piston or its piston rod protrudes to the desired extent from the cylinder.
  • Plastic material be used because the cylinder and the piston by the filled adhesive an essential Verfrick learn ⁇ ⁇ ⁇ .
  • the Zvlinder and the piston can consist of unilaterally closed with lids tubes of different diameters, so that the one tube can be pushed with its open end into the open end of the other tube.
  • the covers of the tubes can be provided for mounting with the provided anchors or threaded rods / threaded pin with corresponding openings. In conventional viscous nature of the adhesive openings may well have such a large play of movement that the anchor or
  • the lids may be welded or held in the tubes solely by mechanical forces.
  • the lid which is remote from the wall of the spacer, there is also an opening for introducing the adhesive.
  • a single tube is used as a spacer, that is cut to length in place of longer pieces of pipe and immediately has the desired length of the spacer. Then piston or other tubes are unnecessary.
  • the one tube is closed with lids, as explained above in another embodiment.
  • the adhesive surfaces are carefully cleaned, for example with a compressed air lance or with a suction lance, which is guided into the bore. If necessary, compressed air lance or suction lance is provided with a brush to be replaced with the parts that are not sufficiently with the
  • the bonding can be done in a conventional manner by first a suitable, solidifying adhesive and then the threaded rod in the
  • the bonding can be done using a conventional adhesive cartridge, which means. 7next soon Prepare a variety of boreholes so that a glue cartridge can be used as far as possible.
  • a separate small adhesive cartridge can be placed in each well, which is then destroyed by pressing the threaded rod and releases the adhesive that surrounds the threaded rod and solidifies.
  • Threaded rod is screwed.
  • the bond causes despite spreading a lasting hold of the anchor.
  • the invention has the advantage of a very low cost even with a small number of dowels to be placed with the cartridges.
  • the adhesive gives the expansion dowel the necessary hold.
  • the power development can be omitted, which in conventional
  • Expansion dowels is required to produce a sufficient pressure against the wall of the hole for the dowel or for frictionally locking the dowel in the hole.
  • the spreading process can end when the dowel touches the hole wall on all sides, but still no significant pressure against the
  • Hole wall has been unfolded. This can be easily recognized by the fact that a further resistance builds up against the further spreading.
  • the lighter screw may be made of a lower strength material or have a smaller diameter.
  • the expansion dowel is provided at least one end, better still at both ends with a resilient edge.
  • the edge may be fixed or be integral with the rest of the dowel or slidably mounted on the dowel.
  • the border may be, for example, a thin lip.
  • the lip can be, for example, a thin lip.
  • the diameter of the hole for the dowel is chosen as low as possible.
  • the adhesive cartridge can be arranged in the dowel or on the dowel jacket.
  • One or more adhesive cartridges may be provided for a dowel.
  • the same adhesive cartridges can be used for different dowels by the differences in the dowels by changing the number of adhesive cartridges is taken into account.
  • the adhesive cartridge can surround the dowel outside hose-shaped. Then the adhesive cartridge is double-walled and the adhesive between
  • Inner sheath and outer sheath arranged.
  • adhesive cartridges with a simple tubular or tubular jacket are used.
  • Such glue cartridges can be arranged as individual cartridges in Dübelinneren.
  • Such glue cartridges can also be bundled for an arrangement in the dowel interior to several or embedded in the dowel coat or individually to several.
  • the housing of the adhesive cartridges may consist of different materials. This includes, for example, plastic. Plastic films can be produced cheaply and processed favorably. Of particular advantage is the easy weldability of plastic films in the production of the adhesive cartridges and closing the glue cartridges after filling.
  • Plastic films can also have components that protect the adhesive from the
  • Metal foils form particularly resistant layers against the
  • the adhesive cartridges are provided with a predetermined breaking point.
  • the predetermined breaking point includes a weakening of the
  • Adhesive cartridge case so that the adhesive breaks at a corresponding pressure load on the cartridge at a predetermined and releases the adhesive.
  • the expansion dowel is slotted in the usual manner over a certain length in the longitudinal direction to allow the spreading.
  • the glue must flow through the slots. That's why there's one for the slots as well
  • an at least partially curing adhesive and / or an adhesive mixture is used in which one adhesive component has a mortar base and another adhesive component has a plastic base.
  • the mortar base should positively influence the adhesion to the building material of the building part, the
  • PU adhesive come into consideration.
  • 1-component adhesives one-component adhesives
  • 2-component adhesives two-component adhesives.
  • PU adhesives consist of isocyanate and polyol. The two components are filled together in a pressure vessel and together with a propellant, so that they emerge again at an opening of the container. For small quantities, the container is a can. For large quantities, the container is correspondingly large.
  • the water can be humidity or other moisture.
  • the 1K PU adhesives cure on reaction with the water. If the water is the
  • Such adhesives are often based on methyl methacrylate. These adhesives are characterized by very short reaction times.
  • a preferred embodiment of the anchor has a sleeve-shaped body, which is slotted at one end preferably multiple times. For example, three slots extending in the longitudinal direction of the sleeve are provided. The remaining segments between the slots have inwardly directed bulges / indentation, can be partially inserted into the adhesive cartridges.
  • the adhesive cartridges can already be prepared at the factory and for
  • the inward curvature narrows the sleeve opening. If the anchor with the adhesive cartridges is placed in a corresponding hole in a building and a screw is rotated through the sleeve opening, a widening of the sleeve in the area of the adhesive cartridges. At the same time, the adhesive cartridges are pressed against the wall of the hole until they burst and the adhesive is released.
  • the screw is optionally similar to a wood screw with a
  • the final diameter of the screw determines the degree of deformation of the adhesive cartridges.
  • the adhesive runs in the cavity between the dowel and hole wall and also through the slots in the cavity between Screw and dowel inner wall. After curing of the adhesive, the dowel sits firmly in the building.
  • the dowels and adhesive cartridges can also be used independently of the spacers in buildings application.
  • the screw is coated with a release agent to which the adhesive does not adhere, so that the screw can be unscrewed at will and screwed in again and optionally replaced with another screw or a hook or eyes or the like.
  • a suitable release agent is, for example, silicone or Teflon.
  • the anchors and threaded rods are optionally made of stainless steel. This prevents the anchors and threaded rods from passing through
  • Fig. 1 shows a building wall 1 with a thermal insulation.
  • an unillustrated canopy is to be mounted. This must be a fixture for the canopy by the Heat insulation 2 made of rigid foam anchored in the building wall.
  • holes 5 are drilled at a predetermined location through the thermal insulation 3 into the building wall 1 with a hammer drill 4 and a drill.
  • a crown drill 10 is used in the next step.
  • Crown drill 10 the cut-out parts of the insulation in itself.
  • the crown drill 10 has a sleeve whose open front end as
  • the sleeve 10 is held on a rod which is seated at one end in the chuck of the hammer drill 4 and engages in the borehole at the other end and forms a guide.
  • Fig. 3 shows the crown drill 10 in a single view.
  • the sleeve 10 is provided with markings which make it easier for the installer to maintain a drilling depth which is the same as the thickness of the thermal insulation, but does not go beyond that.
  • the hammer drill 4 is for drilling the hole in the insulation 2 convertible to sole drilling without simultaneous hammering.
  • FIG. 4 shows the next step in which a cleaning of the borehole 5 takes place. This is done via a probe 16 with an air pump 15. With the air pump 15 16 air is blown into the borehole 5 via the probe. 5, the wellbore 5 is filled with a two-component adhesive.
  • the two-component adhesive comes from a cartridge with a standard one
  • Drill hole 5 a threaded rod 25 used.
  • a guide rod 27 application With the guide rod 27, the threaded rod 25 can be detected at the end. This is done before inserting the threaded rod in the hole 5. This can take place a screw.
  • a corresponding threaded hole 27 is provided in the guide rod. Sufficient but can also be a hole without internal thread, in which the
  • the threaded rod 25 is guided during insertion at one end in the borehole.
  • a cone can be mounted on the guide rod.
  • the guide rod With the cone, the guide rod is centered in the borehole of the thermal insulation. After properly setting the cone on the guide rod, the cone prevents the threaded rod from being pushed too deep into the drill hole.
  • the guide will remain in place until the glue has solidified in the hole. Then, the guide rod 27 can be unscrewed or withdrawn from the threaded rod 25.
  • the contact surface may be uneven.
  • the end mill 35 has a cylindrical shape shown in Fig. 9, wherein the end face 34 with corresponding
  • End face a hole 37 with a diameter which allows the end mill 35 to slide over the projecting out of the borehole end of the threaded rod 25.
  • the end mill 35 has a pin 38 which sits in the chuck of the hammer drill 4. The hammer drill 4 is switched back to sole drilling for this work.
  • the end mill 35 consists according to FIGS. 10 and 11 of a holder 36 and a replaceable cutting insert 39.
  • the illustrated insert is for a
  • Threaded rod Ml 2 determined. To be pushed over the threaded rod, the insert has a central hole with a diameter of 13mm. For inserts for other threaded rods, hole diameters of 17mm, 21mm, 28mm, 28mm, 31mm may be appropriate.
  • Threaded rod 25 abuts. This is done according to Fig. 12 with a socket wrench 41.
  • the socket wrench 41 is rotated with a ratchet. This happens gradually, because the ratchet is moved back and forth. By the rotation of the socket wrench 41, the insert is rotated and on the
  • the öfmung 42 for the socket wrench is shown in Fig. 13.
  • the opening width is greater than the diameter of the associated threaded rod, so that the socket wrench does not hinder the screwing of the spacer member on the threaded rod.
  • the spacer member 40 has an external thread.
  • spacer member 40 corresponds to a further spacer member 50 in the form of a closed to the outside of the heat insulation tube, which forms an adjustable spacer with the spacer member 40.
  • spacer member 50 is seated with an internal thread on the spacer member 50.
  • the thread is a fine thread.
  • the spacer member 50 also has an opening / seat for the socket wrench 41st
  • the spacer member 40 may be combined with further longer or shorter spacer members. The longer or shorter
  • Spacer part 50 by longer or shorter tubes.
  • the spacer is set in the exemplary embodiments so that its head is flush with the heat insulation and protrudes the threaded rod or a threaded rod piece.
  • FIGS. 19 and 20 show two spacers according to the invention, in which the cavity for thermal insulation is filled with soft plastic foam 62 or 63.
  • the spacer is adjusted so that the seated on the head of the spacer cap 60 with the
  • the spacer member has a threaded pin 51 at the head.
  • Fig.23 shows in a further exemplary embodiment of the invention a
  • Building wall 70 with a front mounted thermal insulation 72 For an awning attachment in front of the thermal insulation 72, a bore 71 has been introduced through the thermal insulation 72 into the building wall 70. In the bore 71, a threaded rod 73 is glued. The threaded rod 73 extends far into the thermal insulation 72, but ends before the outside of the thermal insulation72. The bore 71 has been drilled in the insulation to measure 77. In the resulting larger bore a conical reinforcement 74 is screwed from a high-strength plastic. For this purpose, the reinforcement 74 has a longitudinally continuous threaded hole. The gain 74 has
  • Threaded rod 73 has been clamped against the building wall surface.
  • a molded part 75 made of high-strength plastic on the threaded rod 73 At the end of the threaded rod 73 sits a molded part 75 made of high-strength plastic on the threaded rod 73.
  • the associated threaded bore in the molded part 75 is formed as a non-self-hole, so that the molded part 75 can be screwed with tension on the threaded rod end.
  • the molded part 75 serves for thermal decoupling of the threaded rod.
  • a head piece 76 has been separated from the threaded rod and screwed into a likewise formed as a blind hole threaded hole, which is opposite to the previously described blind hole in the molding 75 exactly.
  • the outside of the thermal insulation shown plate 78 is a
  • Reinforcement has been removed and brought back to the original place after the final assembly of the spacer, before the housing of the awning, not shown, is attached to the head 76 of the threaded rod.
  • Fig. 24 shows two further exemplary embodiments of the invention one above the other on a building wall 80 and with a thermal insulation 81.
  • Exemplary has a continuous threaded rod 82 which is glued into a hole in the building wall 80 and through the
  • Thermal insulation 81 extends and protrudes outside the thermal insulation 81.
  • the hole for the gluing of the threaded rod 82 is as in the exemplary embodiment 23 by the furnisheddämmun g 81 through in the Building wall 80 has been brought. Then the hole has been drilled out. Then a reinforcement 83 has been screwed onto the threaded rod 81 and against the building wall 81. That's different from that
  • Example glued together This increases the reinforcement of the threaded rod.
  • the externally projecting end of the threaded rod 82 serves in the exemplary embodiment of the attachment of an escape staircase located outside the building.
  • the spacers and the outside cylindrical body allow adaptation to the thickness of the existing thermal insulation. This is done by replacing other cylindrical bodies.
  • the cylindrical body of the building-wall reinforcement can be included.
  • the total thickness of all cylindrical body and the length of the threaded rod can be changed by replacement. This means that you do not have to mount a too short or too long threaded rod and then replace it. Rather, immediately becomes one
  • Threaded rod chosen with a length that still protrudes at the desired total thickness of all cylindrical body sufficient for the attachment of the functional part of measure against the thermal insulation
  • Exemplary embodiment by a three-piece threaded rod, which is composed of pieces 87, 90 and 91 together. Between the “versr.hi p Henen pieces are to provided thermal end coupling. For this purpose, another cylindrical Verstärk88 and a structurally identical cylindrical body 88 on the outside
  • the reinforcement 88 has like the part 75 of FIG. 23, two threaded blind holes. The same applies to the outer body 88 in FIG. 24.
  • the building wall-side booster 88 is firmly screwed to the projecting from the building wall 80 end of the threaded rod 87.
  • the threaded rod 90 is fixed in the associated threaded blind hole of the
  • FIG. 24 shows an adjustment of the total thickness of the thickness of the existing thermal insulation. The same applies to the threaded rod. In this case, the replacement can be limited to a part or two parts of the three-piece threaded rod provided according to FIG. 24.
  • the same part 87 of a threaded rod is glued to the same building wall 80 in a further embodiment of the invention.
  • the Jardinwand general has a closed end 96.
  • the end 96 is tensioned with a nut 99 against the building wall 80.
  • the tube 95 is open at the opposite end provided with an internal thread, so that a second tube 97 in the open end of the tube 95th
  • the second tube 97 has a correspondingly smaller outer diameter than the first tube 95 and for the screw externally an external thread. In the region 101 fibers, tubes 95 and 97 are in a poor condition.
  • the tube 97 is open on the building wall side.
  • the other end 100 is closed. In the end 100, a threaded rod piece 91 is attached, which is the
  • Threaded rod piece 91 of FIG. 24 corresponds.
  • the threaded rod piece 91 of FIG. 25 is seated in a threaded hole of the closed end 10 O and is secured with a nut.
  • the tube 97 can be further screwed into the tube 95 or partially screwed back out of the tube 95. This changes the length of the spacer formed by both tubes 95 and 97. The change in length serves to adapt to the thickness of the respective thermal insulation.
  • two ventilation holes are provided in the closed end 100.
  • Bolt position can be kept. This results in a rotationally fixed arrangement of the functional parts already by a simultaneous connection with another spacer. If no adequate rotationally fixed connection is mediated by the functional part or a backup of the screw is desired before attaching the functional parts, is a blockage of
  • Thread and the tube 97 is provided. This can be achieved in a simple form with an adhesive or by pins or the like, which are driven in the area 101 through openings in both tubes.
  • FIG. 25 allows the production of a spacer with less material but the same load capacity as in an embodiment according to FIG. 23 or 24 or with the same use of material with a higher load capacity than in a design according to FIGS. 23 and 24.
  • a cylindrical body is provided as a building wall-side amplifier, which, like the tube 95, is held with a threaded rod piece 95 in the building wall.
  • This cylindrical body is externally threaded so that an internally threaded tube can be screwed onto the cylindrical body.
  • the screw-on tube has the same features as the tube 97 in FIG. 25 with respect to the closed end and a threaded rod piece seated in the closed end.
  • Fig. 26 is a series of three
  • the thickness of the collar is 106.1, 106.2 and 106.3
  • the diameters are the collar and the cylindrical body is the same.
  • all pins have a through hole with an internal thread.
  • the pins are provided with a hexagon 108.
  • the hexagon is used to mount the pin.
  • the pin is detected on the hexagon 108 with a tube whose front opening is modeled on the hexagon. With the tube, the pin is rotated / screwed on the threaded rod until it rests against the building wall. Another slight turning then causes a tension of the pin on the building wall.
  • the tube moves a short distance over the threaded rod.
  • the pins are provided for Ml 2 threaded rods or corresponding anchors with the following lengths and collar thickness corresponding to the thicknesses of occurring thermal insulation
  • Length in mm 55, 70, 90, 110, 130, 150, 170, 190, 210
  • Collar thickness in mm 8, 10, 10, 10, 15, 30, 30, 40, 40
  • the lateral surface of the pin approximately at right angles in the collar over.
  • the pins do not just have to interact with pipes that one
  • the pins can also open with, inside with an internal thread
  • co-acted pipes which are screwed like closed pipes on the pins.
  • Such tubes may have different lengths.
  • Spigot lengths are assigned the following tube lengths:
  • Spigot length in mm 55, 70, 90, 110, 130, 150, 170, 190, 210
  • Tube length in mm 75, 85, 105, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120
  • tubes 110.1, 1 10.2, 110.3 are shown with tube lengths of 75, 85, 105mm. All tubes are provided in the exemplary embodiment throughout with an internal thread.
  • the pipes according to FIG. 28 are closed on the outside with further pins.
  • the other pins are composed of a cylindrical body 115 with external teeth and a collar 116 together.
  • the length of the pin is the same in the exemplary embodiment for all spacers. In other embodiments, the length may vary.
  • a blind hole 119 with internal thread for a threaded rod piece In the pin is centrally located a blind hole 119 with internal thread for a threaded rod piece.
  • a recess 118 is incorporated in the collar on the collar side in the end face, the recess can be described as an annular groove, the inner wall has been regularly distributed on six surfaces flattened into a hexagon 117.
  • a same hexagon 117 is sunk in the end face of the pin of FIG. 28 sunk.
  • the hexagon 117 can be detected with the same tool as the hexagon 108 and screwed / turned in the pipe end.
  • Figs. 30 and 31 show the use of various connection plates 140 and 141 for functional parts which are subject to a particular load. These terminal plates 140 and 141 are supported by a plurality of spacers according to the invention to accommodate the resulting load.
  • Fig. 29 shows a pin 130 for a spacer according to the invention, with different terminal plates and intermediate plates
  • 131,132,133,134,135 can be combined.
  • the invention is to AnkerAnact, which have been passed through the building wall and building inside are held with a Auf-Putz-Teller or a Unterputzteller.
  • Such anchors can be clamped and / or glued in the same way as the anchor and threaded rods described above. The anchors then protrude either to the building wall in the insulation or until the insulation.
  • the reinforcement according to the invention can then take place in the same way as in the embodiments described above.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

Selon l'invention, des parties fonctionnelles à fixer après coup sur des bâtiments pourvus d'une isolation thermique sont montées à l'aide d'éléments d'écartement. Des trous sont forés dans l'isolation thermique et dans le mur du bâtiment pour mettre en place les éléments d'écartement.
EP17712703.2A 2016-03-10 2017-03-09 Élément d'écartement et dispositif de fixation pour des parties à fixer sur un bâtiment à travers une façade Withdrawn EP3426855A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016002837 2016-03-10
PCT/EP2017/000314 WO2017153049A1 (fr) 2016-03-10 2017-03-09 Élément d'écartement et dispositif de fixation pour des parties à fixer sur un bâtiment à travers une façade

Publications (1)

Publication Number Publication Date
EP3426855A1 true EP3426855A1 (fr) 2019-01-16

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EP17712703.2A Withdrawn EP3426855A1 (fr) 2016-03-10 2017-03-09 Élément d'écartement et dispositif de fixation pour des parties à fixer sur un bâtiment à travers une façade

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EP (1) EP3426855A1 (fr)
DE (1) DE102017002170A1 (fr)
WO (1) WO2017153049A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3348724B1 (fr) * 2017-01-14 2019-10-16 René Bangratz Élément de liaison
PL3473779T3 (pl) * 2017-10-23 2021-08-16 René Bangratz Element łączący zawierający element ustalający oraz sposób ustalania elementu łączącego
CN112878733B (zh) * 2021-01-11 2022-06-07 康建 一种用于建筑工程的加固支撑结构
CN115148086B (zh) * 2022-06-20 2023-09-19 安徽晶天建筑设计有限公司 一种建筑工程设计用模型插板结构及其安装方法
CN117868315B (zh) * 2024-03-11 2024-05-03 中国二十二冶集团有限公司 一种用于保温墙体的高强钢筋机械锚固装置

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DD140120A2 (de) 1971-11-23 1980-02-13 Karl H Junge Verfahren zur herstellung von gegenstaenden aus faserverstaerkten und anderen werkstoffen
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WO2017153049A1 (fr) 2017-09-14

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