US20160305114A1 - Anchoring rail for anchoring in concrete - Google Patents

Anchoring rail for anchoring in concrete Download PDF

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Publication number
US20160305114A1
US20160305114A1 US15/132,019 US201615132019A US2016305114A1 US 20160305114 A1 US20160305114 A1 US 20160305114A1 US 201615132019 A US201615132019 A US 201615132019A US 2016305114 A1 US2016305114 A1 US 2016305114A1
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United States
Prior art keywords
anchoring rail
profiling
base body
base
anchoring
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.)
Abandoned
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US15/132,019
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English (en)
Inventor
Dirk Albartus
Frank Haeusler
Dirk Borgstede
Andreas Hanke
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.)
Leviat GmbH
Original Assignee
Halfen GmbH and Co KG
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Filing date
Publication date
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Assigned to HALFEN GMBH reassignment HALFEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Borgstede, Dirk, HAEUSLER, FRANK, HANKE, ANDREAS, Albartus, Dirk
Publication of US20160305114A1 publication Critical patent/US20160305114A1/en
Abandoned legal-status Critical Current

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    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/005—Means to increase the friction-coefficient
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/187—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with sliding nuts or other additional connecting members for joining profiles provided with grooves or channels

Definitions

  • Anchoring rail of the type in question is known from DE 197 18 230 B4.
  • Anchoring rails of this type are cast into concrete in order then to be able to fasten objects thereon with the aid of rail nuts, engage-behind parts, head screws or hammerhead screws. Together with such fastening elements, the anchoring rail forms a fastening system.
  • the weight of the fastening objects is transmitted via the rail geometry and the anchors of the anchoring rail into the concrete.
  • a failure of the material of the anchoring rail itself is the greatest source of uncertainty for an anchoring-rail-based fastening system.
  • the connecting point of anchor and rail of the anchoring rail Under loading by the weight of an object fastened to an anchoring rail or due to other forces, the connecting point of anchor and rail of the anchoring rail is exposed to a large loading. Some of the weight is transmitted to the base of the anchoring rail via the limbs and the side walls of the anchoring rail. This may lead to deformation of the anchoring rail, wherein the region of the connection of anchor and base is typically exposed to the greatest loading, and the base may tear out at the connecting point between base and anchor under the loading. Under such a separation of anchor and base, the stability of the entire anchoring rail and the stability of the fastening thereof are impaired.
  • the anchoring rail of the invention is for anchoring in concrete.
  • the anchoring rail includes: a base body defining a substantially U-shaped cross-section; a first and a second free limb; at least one anchor; the first and the second free limbs being arranged on the base body opposite to the at least one anchor; the first and the second free limbs conjointly defining a slot extending in the longitudinal direction between each other; the base body having an outer side configured to face the concrete; and, the base body having a profiling on at least part of the outer side.
  • the base body at least partially has a profiling on the outer side thereof facing the concrete.
  • the free limbs on the inner sides of the U-shaped base body are arranged on the open side of the U-shaped base body.
  • the surface roughness of the surface of the outer side of the U-shaped base body is increased.
  • the common contact surface of concrete and base body is enlarged; secondly, concrete and base body intermesh in the regions of the profiling.
  • the enlargement of the common contact surface results in better adhesion of the anchoring rail in the concrete.
  • the surface of the base body in the region of the profiling has depressions and elevations which together form a surface structure. When the anchoring rail is cast into concrete, this structure is depicted as a negative in the concrete.
  • the elevations of the profiling of the base body engage in the associated negative depressions of the concrete.
  • the anchoring rail is interlocked in the concrete. Forces can also be transmitted from the anchoring rail into the concrete via the interlocking of the anchoring rail in the concrete via the profiling.
  • the profiling of the base body of the anchoring rail forces can not only be transmitted directly into the concrete via the anchor of the anchoring rail, but also via the base body itself.
  • the connecting point of anchor and base body is subjected to less severe loading. Forces acting on the anchoring rail are transmitted uniformly from the anchoring rail to the concrete. The stability of the anchoring rail during the absorption of forces is thereby less severely influenced.
  • the profiling of the anchoring rail extends over 30% to 100% of the longitudinal extent of the anchoring rail.
  • the profiling of the anchoring rail extends over 70% to 100% of the longitudinal extent of the anchoring rail.
  • the profiling is formed via grooves.
  • Grooves can be provided in a simple manner on the outside of the base body.
  • the grooves advantageously run rectilinearly.
  • the grooves are expediently arranged parallel to one another.
  • grooves are oriented at a certain angle to one another.
  • the grooves are oriented orthogonally to one another. Via grooves running rectilinearly, forces are in particular transmitted from the anchoring rail into the concrete transversely with respect to the longitudinal direction of the grooves.
  • the elevations of the profiling of the anchoring rail When forces acting in this direction are transmitted from the anchoring rail into the concrete, the elevations of the profiling of the anchoring rail, which elevations are adjacent to the grooves, engage in the associated negative depressions in the concrete and thus ensure a transmission of forces.
  • Such a transmission of forces by the elevations of the profilings of the anchoring rail intermeshing in the associated depressions of the concrete functions most efficiently for grooves running rectilinearly whenever the transmitted forces act on the outer side of the base body in a direction orthogonally to the rectilinearly running grooves. For this reason, it may be advantageous to arrange a plurality of grooves oriented parallel to one another in each case orthogonally to one another. In this connection, the grooves do not inevitably have to intersect.
  • the depth of the grooves in the base body of the anchoring rail is advantageously approximately one third of the wall thickness of the base body in the unprofiled region. However, it can also be provided that the depth of the grooves in the base body of the anchoring rail is approximately half of the wall thickness of the base body in the unprofiled region.
  • the grooves are arranged at the same distance from one another.
  • Such a profiling is simple to produce and, via the uniform distance of the grooves with respect to one another, the transmission of forces from the anchoring rail to the concrete is distributed uniformly over the region of the profiling. This avoids a severe local loading of the profiling at some points.
  • the grooves run on the base body at an angle of 70° to 90° with respect to the longitudinal direction of the anchoring rail. It is advantageously provided that the grooves run on the outer side of the base body orthogonally to the longitudinal direction of the anchoring rail. In particular forces which act in the direction of the longitudinal direction of the anchoring rail are thereby transmitted particularly efficiently from the anchoring rail into the concrete. This can be advantageous in particular if the longitudinal direction of an anchoring rail is oriented in the vertical direction in the concrete. The weight of objects fastened to such an anchoring rail then acts in the longitudinal direction of the anchoring rail and therefore orthogonally to the longitudinal direction of the grooves arranged on the base body of the anchoring rail. The full portion of the weight to be transmitted via the profiling can thus be transmitted via the elevations of the profiling, which elevations are adjacent to the grooves, to the associated negative depressions in the concrete.
  • the profiling is realized via recesses in the base body. It can also be provided that the profiling is realized both via grooves and via recesses in the base body.
  • the recesses are advantageously pit-like depressions on the outer side of the base body of the anchoring rail.
  • the recesses advantageously have a circular cross section on the outer-side surface of the base body.
  • a great advantage of a profiling realized via recesses consists in that the negative elevations of the concrete that protrude in a cam-like manner from the concrete can absorb forces which may be oriented in any direction around the associated recess of the profiling within the surface plane of the base body.
  • the depression direction of which is not exclusively oriented parallel to the longitudinal direction of the anchor of the anchoring rail forces acting in the direction of the longitudinal direction of the anchor are also transmitted from the anchoring rail to the concrete.
  • forces acting in the longitudinal direction of the anchoring rail can also be transmitted directly from the recesses of the base body into the concrete.
  • the recesses are advantageously arranged at regular distances from one another on the outer side of the base body. This permits a uniform loading of the anchoring rail over the entire region of the profiling by the transmission of forces from the anchoring rail into the concrete.
  • the depth of the recesses is advantageously approximately one third of the wall thickness of the base body. However, it can also be provided that the depth of the recesses corresponds approximately to half of the wall thickness of the base body in the unprofiled region.
  • the base body is thickened in the region of the profiling.
  • the thickness of the base body in the region of the profiling of the base body and the depth of the profiling are coordinated with each other in such a manner that the difference between the thickness of the base body in the region of the profiling and the depth of the profiling corresponds to the thickness of the base body in the unthickened, unprofiled region of the base body.
  • Thickness of the base body in the region of the profiling of the base body refers here to the greatest wall thickness of the base body in the region of the profiling of the base body. The elevations of the profiling are therefore taken into account when determining the thickness of the base body in the region of the profiling.
  • the base body in regions of the profiling is at least as stable as in unprofiled regions.
  • the thickness of the base body in the region of the profiling corresponds to the thickness of the base body in the unprofiled, unthickened region of the base body.
  • the thickness of the base body in the region of the profiling of the base body and the depth of the profiling are coordinated with each other in such a manner that the difference between the thickness of the base body in the region of the profiling and the depth of the profiling is smaller than the thickness of the base body in the unthickened region of the base body. Without taking the elevations of the profiling into consideration, the thickness of the base body in the region of the profiling is therefore smaller than the thickness of the base body in the unprofiled, unthickened region of the base body.
  • the stability of the base body in the profiled region and in the unprofiled region can be the same since the material of the elevations also contributes to the stability of the base body in the region of the profiling. Material can thus be saved with the stability of the base body remaining the same since the thickened portion is formed with a smaller wall thickness.
  • the base body includes at least two side walls, and that the profiling on at least one side wall, at least over a partial profiling height of the side wall, is arranged as a side wall profiling over at least part of the longitudinal extent of the anchoring rail. Since the side walls are not arranged exclusively orthogonally to the anchors of the anchoring rail, with a corresponding arrangement of the side wall profiling forces which act substantially parallel to the longitudinal direction of the anchors of the anchoring rail can also be transmitted from the anchoring rail into the concrete. The side wall profiling therefore counteracts a pulling of the anchoring rail out of the concrete in a direction parallel to the longitudinal direction of the anchors of the anchoring rail. However, the side wall profiling may also be arranged in such a manner that forces acting in the longitudinal direction of the anchoring rail are transmitted from the anchoring rail into the concrete.
  • the side wall profiling advantageously extends over 30% to 100% of the entire height of the at least one side wall. Furthermore advantageously, the side wall profiling extends over 70% to 100% of the entire height of the at least one side wall. In particular, the side wall profiling extends over the entire height of the at least one side wall.
  • the base body includes a base, that the at least one anchor is arranged on the base, and that the profiling is arranged as a base profiling on the base of the base body at least over a partial width of the base over at least part of the longitudinal extent of the anchoring rail.
  • the distance between the two opposite side walls at the two transition points between base and side walls is referred to here as width of the base.
  • the partial width in which the base profiling is arranged is advantageously between 1% and 30% of the entire width of the base.
  • the partial width of the base, in which the base profiling is arranged is between 5% and 20% of the entire width of the base.
  • the contact of the anchoring rail with the concrete is typically particularly good in the region of the base of the anchoring rail. For this reason, forces can be particularly readily transmitted from the anchoring rail into the concrete via a base profiling.
  • the base profiling is suitable in particular for transmitting forces, which act in the longitudinal direction of the anchoring rail, from the anchoring rail into the concrete.
  • anchoring rails the longitudinal direction of which is oriented vertically in the concrete, can be secured in a more stable manner in the concrete.
  • the weight of an object fastened to the anchoring rail is transmitted more uniformly from the anchoring rail into the concrete. The transmission no longer takes place exclusively via the connecting points between base body and anchors and the anchors themselves.
  • use can additionally be made for this purpose of the base profiling of the base body. As a result, the maximally tolerated ultimate load and the stability of the anchoring rail are increased.
  • the base profiling extends over 30% to 100% of the entire width of the base.
  • the base profiling advantageously extends over 70% to 100% of the entire width of the base.
  • the base profiling advantageously extends over the entire width of the base.
  • the base body includes two side walls and a base, that the side walls are arranged perpendicularly with respect to the base, that the side walls form outer edges with the base, that the side walls run parallel to each other, and that those surfaces of the free limbs which face away from the anchor are arranged at the same height perpendicular to the side walls at those regions of the side walls which face away from the base.
  • the forces which occur are typically transmitted here to the side walls initially via a head screw and/or the free limbs.
  • the perpendicular orientation of the side walls to the base furthermore enables typical head screws to be accommodated in the anchoring rail.
  • the cross-sectional geometry of an anchoring rail manufactured in such a manner is optimally coordinated with the corresponding cross section of a hammer head screw.
  • the anchoring rail is advantageously manufactured as a single part from cold-rolled steel. This contributes to greater stability of the anchoring rail.
  • the increased strength of the anchoring rail ensures an increase in the maximally supportable ultimate load by the anchoring rail.
  • the anchoring rail is more stable in relation to bending of the anchoring rail in the event of loading by, for example, the weight of a fastened object.
  • production by cold rolling is significantly more cost-effective and energy-saving than production by hot rolling. A more stable anchoring rail can thereby be produced with a smaller amount of energy being used.
  • the anchoring rail advantageously has a substantially C-shaped cross section for anchoring in the concrete, wherein the anchoring rail includes a base body which is substantially U-shaped in cross-section, two free limbs and at least one anchor, wherein the base body includes a base and two side walls, wherein the two free limbs are arranged lying opposite the base of the base body, wherein the at least one anchor is arranged on the base, wherein a slot is formed in the longitudinal direction of the anchoring rail between the free limbs.
  • the anchoring rail is advantageously characterized in that the anchoring rail has at least one thickened portion on the base body.
  • the anchoring rail advantageously has a substantially C-shaped cross section for anchoring in concrete, wherein the anchoring rail includes at least one anchor, two side walls and two opposite free limbs, wherein a slot is formed in the longitudinal direction of the anchoring rail between the free limbs.
  • the anchoring rail is advantageously characterized in that the free limbs have an at least partial toothing on their side facing away from the anchor, and therefore also on the front outer side of the anchoring rail with respect to the longitudinal extent.
  • the anchoring rail can advantageously be used as part of a fastening system for securing a head screw within the anchoring rail to be fastened in concrete.
  • the fastening system is advantageously characterized in that a latching plate having a toothing is provided, in that the latching plate is arranged between an object to be fastened and the free limbs of the anchoring rail, and in that the toothing of the latching plate points in the direction of the free limbs of the anchoring rail and engages in the toothing of the limbs when the object is fastened with the aid of a fastening nut.
  • the profiling is formed by a plurality of profiling elements.
  • the profiling elements have central points.
  • the distance between adjacent central points is less than half of the overall height, in particular less than a third, preferably less than a tenth of the base body.
  • the height of the base body is measured parallel to the extent of the longitudinal direction of the anchors.
  • FIG. 1 shows a perspective illustration of an anchoring rail
  • FIG. 2 shows a view of the anchoring rail from FIG. 1 from a longitudinal end of the anchoring rail in the direction of the arrow II in FIG. 1 ;
  • FIG. 3 shows a partially enlarged schematic partial illustration of a view of the anchoring rail from FIG. 1 in the direction of the arrow III in FIG. 1 ;
  • FIG. 4 shows a perspective illustration of an anchoring rail
  • FIG. 5 shows a view of the anchoring rail from FIG. 4 from a longitudinal end of the anchoring rail in the direction of the arrow V in FIG. 4 ;
  • FIGS. 6 to 19 show schematic partial illustrations of views of anchoring rails from a longitudinal end in the longitudinal direction of the respective anchoring rail without the anchors being illustrated;
  • FIG. 20 shows a perspective illustration of an anchoring rail
  • FIG. 21 shows a view of the anchoring rail from FIG. 20 from a longitudinal end of the anchoring rail in the direction of the arrow XXI in FIG. 20 ;
  • FIG. 22 shows a perspective illustration of a fastening system, including the anchoring rail from FIG. 20 ;
  • FIG. 23 shows a view of the fastening system from FIG. 22 from a longitudinal end of the anchoring rail in the direction of the arrow XXIII in FIG. 22 ;
  • FIG. 24 shows an exploded illustration of the fastening system from FIGS. 22 and 23 .
  • FIG. 1 shows the perspective illustration of an anchoring rail 1 .
  • Such anchoring rails are cast, for example, into concrete.
  • the anchoring rail 1 has a substantially C-shaped cross section.
  • Anchors 2 are provided for anchoring the anchoring rail 1 in the concrete.
  • the anchors 2 are arranged orthogonally to a flat base 7 of the anchoring rail 1 .
  • the anchors 2 are arranged in the center of the base 7 with respect to the direction transversely with respect to the longitudinal direction 200 of the anchoring rail 1 .
  • Side walls 3 are arranged orthogonally to the base 7 .
  • the two side walls 3 run parallel to each other.
  • the side walls 3 together with the base 7 form a base body 20 of the anchoring rail 1 , the base body having a substantially U-shaped cross section.
  • the side walls 3 together with the base 7 form outer edges of the base body 20 of the anchoring rail 1 .
  • Free limbs 24 are arranged at the same height at that region of the side walls 3 which faces away from the base.
  • the side walls 3 protrude over the free limbs 24 .
  • that region of the side walls 3 which faces away from the anchors 2 is bounded at the same height by end sides 14 of the side walls 3 .
  • a slot 5 is formed in the longitudinal direction 200 of the anchoring rail 1 between the two opposite limbs 24 .
  • the two limbs 24 exhibit a hook-shaped profile.
  • the wall thickness of the limbs 24 increases from the side walls 3 of the anchoring rail 1 toward the slot 5 of the anchoring rail 1 .
  • Those surfaces of the free limbs 24 which face away from the anchors 2 form an angle of greater than 270° with the side walls.
  • a profiling is arranged as side wall profiling 17 on the two side walls 3 of the base body 20 of the anchoring rail 1 .
  • the side wall profiling 17 extends over 100% of the longitudinal extent A of the anchoring rail 1 .
  • the side wall profiling 17 extends from those end sides 14 of the side walls 3 that face away from the base 7 onto the outer sides of the side walls 3 , which outer sides face the concrete in the cast state, over a partial profiling height (p) of the side walls 3 .
  • the partial profiling height (p) of the side wall 3 is approximately two thirds of the overall height H of the outer side of the side wall 3 . The two heights are measured in the direction of the longitudinal direction of the anchor 2 of the anchoring rail 1 .
  • FIG. 3 shows, in the schematic illustration, a partially enlarged view of a longitudinal side of the anchoring rail 1 in the direction of the arrow III in FIG. 1 .
  • the profiling which is configured as side wall profiling 17 is formed by a plurality of profiling elements.
  • the side wall profiling 17 is formed by grooves 18 which constitute the profiling elements in the embodiment according to FIG. 3 .
  • the profiling elements have central points 89 .
  • the central points 89 can either be the points of the highest elevation of the groove 18 or the points of the lowest depression of the groove 18 .
  • the grooves 18 are arranged at the same distance (r) from one another. The distance (r) of the grooves 18 corresponds to the distance of adjacent central points 89 .
  • the distance of adjacent central points 89 is less than half of the entire height of the base body. In the embodiment according to FIG. 3 , the distance between adjacent central points 89 is less than a third, in particular less than a tenth of the height of the base body 20 .
  • the height of the base body 20 is measured parallel to the extent of the longitudinal direction of the anchor 2 . In the embodiment according to FIG. 3 , the height of the base body 20 corresponds to the overall height H of the outer side of the side wall 3 .
  • the grooves 18 run at an angle of 90° to the longitudinal direction 200 of the anchoring rail 1 and therefore parallel to the longitudinal direction of the anchors 2 of the anchoring rail 1 .
  • FIG. 4 shows the perspective illustration of an anchoring rail 1 , in which the profiling is configured as side wall profiling 157 .
  • the profiling elements are realized by recesses 48 in the side walls 3 of the base body 20 of the anchoring rail 1 .
  • the recesses 48 of the side wall profiling 157 are arranged on the outer side of the side wall 3 , which outer side faces the concrete in the installed state of the anchoring rail 1 .
  • the recesses 48 are hemispherical recesses.
  • the individual recesses 48 are at the same distance from one another.
  • the side wall profiling 157 made of the recesses 48 extends over 100% of the longitudinal extent A of the anchoring rail 1 .
  • FIG. 5 shows a view of the anchoring rail 1 from FIG. 4 from a longitudinal end of the anchoring rail 1 in the direction of the arrow V in FIG. 4 , that is, counter to the longitudinal direction 200 of the anchoring rail 1 , which longitudinal direction is shown in FIG. 4 .
  • the depth of the hemispherical recesses 28 of the side wall profilings 157 is approximately a third of the wall thickness of the side walls 3 .
  • the recesses 48 have central points 89 . In the embodiment according to FIG. 5 , the central points 89 correspond to the lowest points of the hemispherical recesses 28 .
  • the central points 89 of the individual recesses 48 are at the same distance aa from one another.
  • the distance aa between the central points 89 is less than half, in particular less than a third of the height of the base body 20 . In the embodiment according to FIGS. 4 and 5 , the distance aa between the central points 89 is less than a tenth of the height of the base body 20 .
  • FIGS. 6 to 19 show schematic partial illustrations of views of anchoring rails 1 from a longitudinal end in the longitudinal direction of the respective anchoring rail 1 .
  • the anchors have not been illustrated in FIGS. 6 to 19 .
  • corresponding parts are also denoted with the same reference signs in FIGS. 6 to 19 .
  • the opposite side walls 3 are arranged exclusively orthogonally to the base 7 .
  • the side walls 3 form outer edges with the base 7 .
  • the two side walls 3 are of flat configuration and enclose an angle >90° with the base 7 .
  • the two side walls 3 are not of flat configuration, but rather have a bend approximately halfway along in the direction of the longitudinal direction of the anchor (not depicted).
  • the side walls 3 run orthogonally to the base 7 .
  • the side walls 3 and the base 7 enclose an angle >90°.
  • the free limbs ( 4 , 24 ) of the anchoring rails 1 according to FIGS. 6 to 10 and 12 to 19 have an invariably identical wall thickness over the course from the side walls 3 to the slot 5 .
  • the free limbs 4 run parallel to the flat base 7 .
  • the free limbs 4 of the anchoring rail 1 according to FIG. 15 are bent from the side walls 3 at a right angle in that region of the side walls 3 which is furthest away from the anchors.
  • the opposite free limbs ( 4 , 24 , 34 ) are arranged at the same height on the base 7 or on that region of the side walls 3 which faces away from the anchor (not shown).
  • the free limbs 4 of the anchoring rails 1 according to the embodiments according to FIGS. 6, 7, 9, 10, 12, 14 and 17 to 19 are arranged perpendicular to the side walls 3 .
  • at least that part of the side walls 3 of the anchoring rail 1 that is adjacent to the limbs 4 is oriented orthogonally to the free limbs 4 .
  • Those surfaces of the limbs ( 4 , 24 ) of the anchoring rails 1 that face away from the anchors (not shown) according to the embodiments according to FIGS. 6, 7, 9 to 19 lie in the same plane.
  • the wall thickness of the limbs 24 of the anchoring rail 1 according to FIG. 11 increases from the side walls 3 of the anchoring rail toward the slot 5 in the anchoring rail.
  • the free limbs 34 of the anchoring rail 1 according to FIG. 8 are bent inward.
  • the free limbs 34 form an angle of ⁇ 90° with the side walls 3 .
  • the distance between that region of the free limbs 34 which lies closer to the slot 5 in the anchoring rail 5 and the base 7 is smaller than the distance between that region of the free limbs 34 which lies closer to the side walls 3 and the base 7 .
  • those regions of the base body 20 in which a profiling is arranged are marked with a rectangular box.
  • a profiling marked in such a manner can be formed both by grooves and by recesses.
  • the longitudinal extent of the indicated profilings in the longitudinal direction of the respective anchoring rail 1 can extend both over part of the anchoring rail 1 and over the entire longitudinal extent of the anchoring rail 1 .
  • All of the profilings shown in FIGS. 6 to 19 are arranged on the outer side of the base body 20 , which outer side faces the concrete in the installed state of the respective anchoring rail 1 .
  • FIGS. 6, 9, 14, 16, 17 and 19 show side wall and base profilings ( 17 , 67 , 97 , 127 ) which are embedded in the base body 20 .
  • the base body 20 is not thickened in the region of the side wall and base profilings ( 17 , 67 , 97 , 127 ).
  • Such side wall and base profilings ( 17 , 67 , 97 , 127 ) are referred to as recessed below.
  • the depth of the base and side wall profilings ( 17 , 67 , 97 , 127 ) is approximately half of the wall thickness of the base body 20 of the respective anchoring rail 1 .
  • FIGS. 6, 14, 16 and 19 show recessed side wall profilings ( 17 , 67 ).
  • the side wall profiling 67 of FIGS. 14 and 19 extends over the entire height H of the side walls 3 .
  • the entire height H of a side wall 3 is shown by way of example in FIG. 19 .
  • the entire height H extends from the base 7 as far as the free limbs 4 of an anchoring rail 1 .
  • the side wall profiling 17 of FIGS. 6 and 16 extends over a partial profiling height (p) of the side wall 3 .
  • the partial profiling height (p) of a side wall 3 is shown by way of example in FIG. 6 .
  • the partial profiling height (p) is approximately half of the entire height H of a side wall 3 .
  • FIGS. 9 and 17 show recessed base profilings ( 97 , 127 ).
  • the base profilings 127 of FIG. 9 extend over the entire width B of the base 7 .
  • the entire width B of the base 7 corresponds to the distance between the two opposite inner sides of the side walls 3 at the connecting point between side walls 3 and base 7 .
  • the size of the entire width B of the base 7 is shown by way of example in FIG. 8 .
  • the recessed base profiling 97 of FIG. 17 extends over a partial width (b) of the base 7 .
  • the partial width (b) is approximately half of the entire width B of the base 7 and is shown by way of example in FIG. 8 .
  • FIGS. 7 to 14 and 16 to 19 show side wall and base profilings ( 47 , 57 , 77 , 87 , 107 , 117 , 137 , 147 ) in which the base body 20 of the respective anchoring rail 1 is thickened in the region of the profiling.
  • the thickness s 1 of the base body 20 in the region of the base and side wall profilings ( 47 , 57 , 77 , 87 , 107 , 117 , 137 , 147 ) is illustrated by way of example in FIG. 7 and in FIG. 9 .
  • the thickness s 1 of the base body 20 in the region of a thickened profiling corresponds to the wall thickness of the base body 20 in the region of the thickened profiling.
  • FIG. 9 also shows the thickness s 2 of the base body 20 in the unthickened region of the base body 20 .
  • the thickness s 2 of the base body 20 in the unthickened region of the base body 20 corresponds to the wall thickness of the base body 20 in the unthickened region of the base body 20 .
  • the thickness s 1 of the base body 20 in the region of the profiling of the base body 20 and the depth (t) of the profiling are coordinated with each other in such a manner that the difference between the thickness s 1 of the base body 20 in the region of the profiling and the depth (t) of the profiling corresponds to the thickness s 2 of the base body 20 in the unthickened region of the base body 20 .
  • the depth (t) of the side wall and base profilings 17 , 47 , 57 , 67 , 77 , 87 , 97 , 107 , 117 , 127 , 137 , 147 and 167 is shown by way of example in FIG. 9 .
  • the depth (t) of the various profilings is in each case measured perpendicularly to the side wall 3 or to the base 7 of the base body 20 . Since the side wall and base profilings ( 57 , 87 , 117 , 147 ) protrude in the entirety thereof over the unthickened regions of the base body 20 , the profilings are referred to below as protruding.
  • FIGS. 9, 10, 11, 13 and 19 show protruding side wall profilings ( 57 , 87 ).
  • the side wall profilings 87 of FIGS. 11 and 19 extend over the entire height H of the side walls 3 .
  • the side wall profiling 57 from FIGS. 9, 10 and 13 extends over the partial profiling height (p) of the side wall 3 .
  • the partial profiling height (p) is approximately half of the entire height H of the side wall 3 of the respective anchoring rail 1 .
  • FIGS. 10, 16, 18 and 19 show protruding base profilings ( 117 , 147 ).
  • the protruding base profilings 147 from FIGS. 10, 16 and 18 extend over the entire width B of the base 7 of the respective anchoring rails 1 .
  • the protruding base profilings 117 from FIG. 19 extend over a partial width (b) of the entire width B of the base 7 of the anchoring rail 1 .
  • the partial width (b) over which the protruding base profiling 117 extends is approximately two thirds of the entire width B of the base 7 of the anchoring rail 1 .
  • FIGS. 7, 8, 11, 12, 14, 17 and 18 show side wall and base profilings ( 47 , 77 , 107 , 137 ) in which the thickness s 1 of the base body 20 in the region of the thickened profiling of the base body 20 and the depth (t) of the profiling are coordinated with each other in such a manner that the difference between the thickness s 1 of the base body 20 in the region of the profiling and the depth (t) of the profiling is smaller than the thickness s 2 of the base body 20 in the unthickened region of the base body 20 . Therefore, only part of the side wall and base profilings ( 47 , 77 , 107 , 137 ) protrudes over the thickness s 2 of the base body 20 in the unthickened region of the base body 20 .
  • FIGS. 7, 12, 17 and 18 show partially protruding side wall profilings ( 47 , 77 ).
  • the side wall profilings 77 of FIGS. 7 and 18 extend over the entire height H of the side wall 3 of the respective anchoring rails 1 .
  • the side wall profilings 47 from FIGS. 12 and 17 extend over a partial height (p) of the entire height H of the side wall 3 of the respective anchoring rail 1 .
  • the partial height (p) is approximately half of the entire height H of the side walls 3 of the respective anchoring rail 1 .
  • FIG. 15 shows an anchoring rail 1 with a U-shaped base body 20 which includes neither a base nor side walls.
  • the free limbs 4 adjoin the U-shaped base body.
  • the free limbs 4 are arranged on the open sides of the U-shaped base body 20 .
  • the free limbs 4 are opposite each other and face each other.
  • the free limbs 4 are at the same height.
  • anchors (not shown) on the opposite outer side of the base body 20 are arranged on the closed outer side of the U-shaped base body 20 .
  • a protruding base body profiling 167 is also arranged on the outer side of the U-shaped base body 20 .
  • the protruding base body profiling 167 extends over more than a third of the shortest connecting line on the outer circumference of the U-shaped base body 20 from one free limb 4 to the other free limb 4 .
  • FIG. 20 shows the perspective illustration of an anchoring rail 1 .
  • Anchors 2 are provided for anchoring the anchoring rail 1 in the concrete.
  • the anchors 2 are arranged orthogonally to a flat base 7 .
  • the anchors 2 are arranged in the center of the base 7 with respect to the direction transverse to the longitudinal direction 200 of the anchoring rail 1 .
  • Two side walls 3 are arranged orthogonally to the base 7 of the anchoring rail 1 .
  • the two side walls 3 run parallel to each other.
  • the side walls 3 together with the base 7 form outer edges of the base body 20 of the anchoring rail 1 .
  • the base body 20 includes the base 7 and the two side walls 3 .
  • Free limbs 24 are arranged at the same height at that region of the side walls 3 which faces away from the base 7 .
  • the side walls 3 protrude over the free limbs 24 . That region of the side walls 3 which faces away from the anchors 2 is limited to the same height in the case of both side walls 3 by the end sides
  • a slot 5 is formed in the longitudinal direction 200 of the anchoring rail 1 between the two mutually opposite limbs 24 .
  • the two limbs 24 exhibit a hook-shaped profile.
  • the wall thickness of the limbs 24 increases from the side walls 3 of the anchoring rail 1 toward the slot 5 of the anchoring rail 1 .
  • Those surfaces of the free limbs 24 which face away from the anchors 2 form an angle >270° with the side walls.
  • Those surfaces of the free limbs 24 which face away from the anchors are provided with a toothing 6 .
  • the toothing 6 of the free limbs 24 is oriented transversely with respect to the longitudinal direction 200 of the anchoring rails 1 .
  • That side of the limbs 24 which faces away from the anchors 2 is also referred to as the front outer side of the anchoring rail 1 .
  • the free limbs 24 have a continuous toothing 6 on the front outer side of the anchoring rail 1 .
  • the toothing 6 of the outer sides of the limbs 24 extends from the slot 5 in the anchoring rail 1 approximately as far as the planes in which the inner walls of the side walls 3 also lie.
  • FIG. 21 shows a view of the anchoring rail 1 from FIG. 20 from a longitudinal end of the anchoring rail 1 in the direction of the arrow XXI in FIG. 20 , that is, counter to the longitudinal direction 200 , which is marked in FIG. 20 , of the anchoring rail 1 .
  • the base body 20 of the anchoring rail 1 has a base thickened portion 29 on the base 7 .
  • the base 7 is thicker approximately by half than at unthickened points of the base body 20 .
  • the wall thickness v b (shown in FIG.
  • the base thickened portion 29 is arranged on that side of the base 7 which faces away from the anchors 2 , that is, in the interior of the U-shaped base body 20 .
  • the base 7 has a width B which is marked in FIG. 21 and corresponds to the distance of the inner sides of the side walls 3 , which inner sides are opposite each other in parallel, in the transition region between base 7 and side walls 3 .
  • Transverse to the longitudinal direction 200 of the anchoring rail 1 and the base 7 the base thickened portion 29 extends over a partial width (b) of the entire width B of the base 7 .
  • the partial width (b) is approximately half as large as the entire width B of the base 7 .
  • the base thickened portion 29 is arranged in the center between the side walls 3 , which lie opposite each other in parallel, and in the center of the base 7 with respect to the direction transverse to the longitudinal direction 200 of the anchoring rail 1 . As FIG. 20 clarifies, the base thickened portion 29 extends over the entire longitudinal extent A of the base 7 .
  • FIGS. 20 and 21 show that the base body 20 of the anchoring rail 1 has side wall thickened portions 49 at the side walls 3 .
  • the wall thickness v s of the side wall thickened portion 49 corresponds to the wall thickness v b of the base thickened portion 29 and is therefore in turn approximately 1.5 times the wall thickness s 2 of the base body 20 in unthickened regions of the base body 20 . Since v s and v b in this case are identical in size, a single common designation, namely s 1 , can be used instead of the designations v s and v b for the wall thicknesses of the base body 20 in the region of the base thickened portion 29 and in the region of the side wall thickened portion 49 . As illustrated in FIG.
  • the side walls 3 have an overall height H.
  • the overall height H of the side walls 3 is defined via the distance of the end side 14 of a side wall 3 , which end side faces away from the anchors 2 , to that side of the base 7 which faces the anchors 2 .
  • the side wall thickened portion 49 extends over part of the overall height H of a side wall 3 .
  • the side wall thickened portion 49 extends from the end side 14 of a side wall 3 toward the base 7 of the anchoring rail 1 over a partial height (h) of the side wall 3 .
  • the partial height (h) of the side wall corresponds to approximately half of the overall height H of the side wall 3 .
  • the side wall thickened portion 49 extends over the entire longitudinal extent A of a side wall 3 .
  • the side wall thickened portion 49 is arranged on the inner side of the side wall 3 .
  • the inner side of a side wall 3 faces the other side wall 3 , which lies opposite in parallel.
  • a profiling in the form of a side wall profiling 17 is arranged on the outer sides of the side walls 3 .
  • the side wall profiling 17 extends over the partial height (p), which is shown in FIG. 21 , of the overall height H of a side wall 3 .
  • the partial height (p) is somewhat less than half of the overall height H of the side wall 3 and therefore somewhat less than the partial height (h) over which the side wall thickened portion 49 extends.
  • the side wall profilings 17 extend over the entire length A of the longitudinal extent of the anchoring rail 1 .
  • the side wall profilings 17 are made of grooves which are arranged parallel to one another and are introduced into the outwardly pointed surfaces of the side walls 3 of the anchoring rail 1 .
  • the side walls 3 are thickened in the region of the side wall profilings 17 with the side wall thickened portions 49 .
  • the wall thickness of the side walls 3 in the region of the side wall thickened portions 49 is approximately 1.5 times the wall thickness s 2 of the base body 20 in unthickened regions of the base body 20 and is marked by v s in FIG. 21 .
  • the depth (t) of the profiling of the grooves of the side wall profiling 17 is approximately a quarter of the wall thickness v s of the side walls 3 of the base body 20 in the regions thickened by the side wall thickened portions 49 .
  • the side wall profilings 17 do not protrude over the flat surfaces of the side walls 3 .
  • the toothing 6 of the limbs 24 in that region of the limbs 24 which is adjacent to the slot 5 is deeper than in that region of the limbs 24 which is further away from the slot 5 .
  • the length of the anchor 2 in the longitudinal direction thereof is more than twice as much as the height H of the side walls 3 .
  • the height H of the side walls 3 extends in the longitudinal direction of the anchor 2 .
  • the distance between the two side walls 3 running parallel to each other is approximately twice as much in the region of the transition between base 7 and side walls 3 than the width of the slot 5 and corresponds to the width B of the base 7 .
  • the width of the slot 5 here is the smallest distance between the two opposite limbs 24 .
  • FIG. 22 shows the perspective illustration of a fastening system for securing a head screw 8 within an anchoring rail 1 to be fastened in concrete.
  • FIG. 23 shows a view of the fastening system from FIG. 22 from a longitudinal end of the anchoring rail 1 in the direction of the arrow XXIII in FIG. 22 , that is, in the longitudinal direction of the anchoring rail 1 .
  • FIG. 24 shows an exploded illustration of the fastening system shown in FIGS. 22 and 23 .
  • the anchoring rail 1 corresponds to the anchoring rail illustrated in FIG. 20 .
  • An object 10 is fastened to the anchoring rail 1 with the aid of the head screw 8 .
  • the head screw 8 includes a head 21 with which the head screw is held in the anchoring rail 1 .
  • the head 21 of the head screw 8 engages here behind the limbs 24 of the anchoring rail 1 .
  • the head screw 8 is typically a hammer head screw.
  • the longitudinal direction of the hammer head is aligned parallel the longitudinal direction 200 of the anchoring rail 1 such that the head 21 of the hammer head screw can be plugged through the slot 5 in the anchoring rail 1 .
  • the head 21 of the hammer head screw is rotated through 90° about the longitudinal axis of the threaded shank 11 of the hammer head screw such that removal of the hammer head screw from the rail of the anchoring rail 1 solely by moving the hammer head screw in a direction away from the anchors 2 of the anchoring rail 1 is not possible.
  • Such a movement is stopped by those surfaces of the head 21 of the hammer head screw that face the threaded shank 11 of the hammer head screw stopping against the inner-side surface of the free limbs 24 , which surface faces the anchors 2 of the anchoring rail 1 .
  • the threaded shank 11 of the hammer head screw protrudes out of the anchoring rail 1 from the slot 5 of the anchoring rail 1 in a direction parallel to the anchors 2 .
  • the position of the head screw 8 in the longitudinal direction 200 of the anchoring rail 1 is secured with the aid of the latching plate 12 .
  • the latching plate 12 has a through opening 15 .
  • the diameter of the through opening 15 is matched to the diameter of the threaded shank 11 of the head screw 8 .
  • the threaded shank 11 of the head screw 8 can be plugged through the through opening 15 in the latching plate 12 .
  • the latching plate 12 has two opposite surfaces through which the through opening 15 leads. One of the two surfaces is of flat configuration. The other of the two surfaces has a toothing 13 ( FIG. 23 ) which corresponds to the toothing 6 of the anchoring rail 1 . As shown in FIG.
  • the threaded shank 11 of the head screw 8 is plugged through the through opening 15 in the latching plate 12 .
  • the latching plate 12 is brought onto the threaded shank 11 of the head screw 8 in such a manner that that surface of the latching plate 12 which has the toothing 13 points in the direction of the anchors 2 of the anchoring rail 1 .
  • the teeth of the toothing 13 of the latching plate 12 and of the toothing 6 of the free limbs 24 of the anchoring rail 1 intermesh when securing the head screw 8 with the aid of the latching plate 12 .
  • the untoothed surface of the latching plate 12 which surface faces away from the anchors 2 , forms a plane here with the end sides 14 of the side walls 3 of the anchoring rail 1 .
  • the side walls 3 of the anchoring rail 1 protrude over the free limbs 24 by the thickness (d).
  • the thickness (d) is the thickness of the two mutually opposite edges of the latching plate 12 , which edges run in the longitudinal direction 200 of the anchoring rail 1 after the designated positioning of the latching plate 12 on the free limbs 24 of the anchoring rail 1 .
  • the side edges of the latching plate 12 end flush with the side walls 3 of the anchoring rail 1 .
  • the latching plate 12 is of rectangular configuration, and the distance between the mutually opposite side edges of the latching plate 12 that run parallel to each other is referred to as width (x).
  • the width (x) of the latching plate 12 corresponds to the distance (y) between the inner sides of the side walls 3 of the anchoring rail 1 level with the limbs 24 arranged on the side walls 3 .
  • the end sides 14 of the side walls 3 and the latching plate 12 thus form a flush flat surface.
  • An object 10 to be fastened can be mounted onto the plane.
  • An object 10 to be fastened has to have an opening 40 , which is shown in FIG. 24 , through which the threaded shank 11 can be plugged or into which the threaded shank 11 can be screwed.
  • the threaded shank 11 of the head screw 8 is plugged through such an opening 40 in a fastened object 10 and secures the head screw 8 in the anchoring rail 1 with the aid of a disk spring 16 and a fastening nut 9 .
  • the fastening nut 9 is screwed onto the threaded shank 11 of the head screw 8 .
  • the latching plate 12 is arranged here between the object 10 to be fastened and the free limbs 24 of the anchoring rail 1 .
  • the latching plate 12 and the toothings 13 of the latching plate 12 are matched to the angular position of the free limbs 24 and to the toothings 6 of the free limbs 24 in such a manner that, when fastening the object 10 with the aid of the head screw 8 and the fastening nut 9 , virtually the entire surface of the latching plate 12 , which surface faces the anchor 2 of the anchoring rail 1 , rests in a form-fitting manner on the limbs 24 of the anchoring rail 1 .
  • the anchoring rail 1 illustrated in FIGS. 22 to 24 can be configured in accordance with each of the anchoring rails illustrated in the preceding FIGS. 1 to 21 . Provision may be made here for the shape of the latching plate 12 to be matched to the shape of the limbs ( 4 , 24 , 34 ) of the anchoring rail 1 . In particular, the shape of the toothing 13 of the latching plate 12 can be matched to the shape of the toothing 6 of the free limbs ( 4 , 24 , 34 ) of the anchoring rail. Provision may be made here for the two components to intermesh in a form-fitting manner at the contact surface thereof.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Bridges Or Land Bridges (AREA)
US15/132,019 2015-04-18 2016-04-18 Anchoring rail for anchoring in concrete Abandoned US20160305114A1 (en)

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EP15001142.7A EP3081706B1 (de) 2015-04-18 2015-04-18 Ankerschiene zur verankerung im beton
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CN106703214A (zh) * 2017-01-24 2017-05-24 响水县融升空调设备有限公司 一种哈芬锚固定槽
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US20180320365A1 (en) * 2017-05-08 2018-11-08 Halfen Gmbh Fastening rail and concrete element having a fastening rail
RU2740592C1 (ru) * 2020-05-15 2021-01-15 Открытое акционерное общество "Северсталь-метиз" (ОАО "Северсталь-метиз") Анкерная шина и анкерный комплект с использованием анкерной шины
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TWI799418B (zh) * 2017-05-24 2023-04-21 法商聖戈班普拉科公司 波紋結構件
US11982305B1 (en) * 2019-11-23 2024-05-14 Yakattack Llc Accessory mounting track with T-bolt alignment
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CN106400980B (zh) 2020-07-28
EP3081706A1 (de) 2016-10-19
EP3081706B1 (de) 2020-03-25

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