EP2267238B1 - Tragstruktur - Google Patents

Tragstruktur Download PDF

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Publication number
EP2267238B1
EP2267238B1 EP10005018.6A EP10005018A EP2267238B1 EP 2267238 B1 EP2267238 B1 EP 2267238B1 EP 10005018 A EP10005018 A EP 10005018A EP 2267238 B1 EP2267238 B1 EP 2267238B1
Authority
EP
European Patent Office
Prior art keywords
supporting
supporting structure
profile
reinforcing profile
reinforcing
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.)
Active
Application number
EP10005018.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2267238A3 (de
EP2267238A2 (de
Inventor
Markus Sturz
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.)
MEA METAL APPLICATIONS GmbH
Original Assignee
Mea Metal Applications GmbH
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 Mea Metal Applications GmbH filed Critical Mea Metal Applications GmbH
Priority to PL10005018T priority Critical patent/PL2267238T3/pl
Publication of EP2267238A2 publication Critical patent/EP2267238A2/de
Publication of EP2267238A3 publication Critical patent/EP2267238A3/de
Application granted granted Critical
Publication of EP2267238B1 publication Critical patent/EP2267238B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/112—Treads of metal or with an upper layer of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
    • E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
    • E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads

Definitions

  • the invention relates to a support structure, in particular a step, with a grate floor, which is connected to at least one side cheek, wherein the grate floor support rods and filler rods, wherein the support rods are parallel to the side wall and the grate floor has at least one reinforcing profile, which is substantially perpendicular extends to the side wall.
  • Such support structures are well known.
  • the support rods are connected to a side wall and with a perpendicular to the side cheek extending reinforcement profile.
  • the support rods and the reinforcing profile are each welded together.
  • the document GB 2 378 713 A shows a support structure, which has two side walls. Between these side cheeks, a grid is arranged, which consists of several interconnected rods, which is connected to the side walls.
  • the object of the invention is to provide a support structure, which represents a reliable, solid and robust construction with simple installation, and an arrangement of two such support structures, which is compact to store and transport.
  • the reinforcing profile comprises a U-profile and the support rods are arranged on the end side preferably between substantially horizontal flanges of the U-profile. This results in an easy-to-install bond between the support bars and reinforcement profile, which also proves to be extremely reliable, solid and robust.
  • connection on the first and the second side is designed differently, wherein on one side, the reinforcing profile, in particular at its lower end an envelope and / or a pivoting bend, wherein the support rods preferably on the folded or rest on bent leg of the reinforcing profile.
  • the reinforcing profile On the opposite side, the reinforcing profile, at least in sections, an L or T-profile, the connection of the reinforcing profile with at least a plurality of support rods by means of a tongue and groove connection.
  • an arrangement of two support structures in which the two support structures are arranged one above the other, that each of the recesses facing each other, wherein a recess of a support structure at the edge receives a reinforcing profile of the other support structure and a reinforcing profile of a support structure at the edge into a Recess engages the other support structure.
  • the reinforcing profile is connected to some support bars or to all of the support bars on a first side of the support structure by means of a rabbet joint, tenon connection, collar joining, riveting, screwing, press fitting, clamping, clinch connection, plug connection, tongue and groove connection or the like.
  • a further reinforcing profile is arranged, which is also non-positively and / or positively connected with some support rods or with all support rods.
  • the type of non-positive and / or positive connection is the same in particular on both sides. Alternatively, however, a different connection on the first and second side is conceivable.
  • reinforcing profiles with integrated supports for the support rods can thereby be produced in a particularly cost-effective manner.
  • a planar support rod and a flat filler rod according to the present invention are rods which preferably have a rectangular or square cross-section and are particularly preferably made of sheet steel and in particular hot-dip galvanized sheet steel.
  • a support rod according to the invention serves to accommodate the loads that are placed on the grate floor, and to initiate the loads in the reinforcement profile and the side cheek.
  • a filler within the meaning of the invention is essentially a connection between the support rods and prevents objects from slipping between the support rods or reduces the risk of injury and increases the surefootedness of the grate floors. As a rule, the filler rods have a lower height than the support rods.
  • the filler rod is preferably not on the support carriers.
  • the filling and support rods are preferably positive and / or non-positive connected with each other.
  • the support and the filler rods are pressed together. This is done in particular in that both the Tragals and the filler rods are slotted in the joints, this slot is dimensioned slightly smaller than the thickness of the respective rods, so that it comes when pressing the filler bars on the support rods to a compression of the rods.
  • the support rods run parallel to the support beams.
  • Another object of the present invention is an arrangement of two support structures, wherein both supporting structures are stacked on each other, that in each case the first areas facing each other, wherein a first recess of a support structure receives at the edge side a first reinforcing profile of the other support structure and wherein a second recess of the a supporting structure at the edge receives a second reinforcing profile of the other support structure.
  • the two support structures are stacked on each other such that each of the recesses on the respective side cheeks facing each other, wherein a recess of a support structure receives a reinforcing profile of the other support structure at the edge and wherein a reinforcing profile engages the one support structure edge into a recess of the other support structure.
  • the support structures are secured by the engagement of the reinforcing profiles in the respective recesses against displacement relative to each other, so that a particularly stable stacking of the support structures is achieved.
  • the two support structures are in particular parallel to the respective reinforcing profiles, as well as offset parallel to the respective side cheeks arranged to each other, so that the side cheeks for a particularly low stack height of the arrangement can overlap parallel to the reinforcing profiles against each other.
  • FIGS 1 and 2 are shown a schematic perspective view and a schematic side view of a first embodiment of the support structure 1 according to the invention, wherein the support structure 1 comprises, for example, a step.
  • the support structure 1 has a grate floor 2, which comprises a plurality of support rods 3 and 4 Rudstäben.
  • the support rods 3 are arranged substantially perpendicular to the filler rods 4, wherein the filler rods 4 with the support rods positively and / or non-positively, in particular by pressing, are connected.
  • the filler rods 4 have perpendicular to the lattice plane a lower height H than the support rods 3 and serve in particular to improve slip resistance, accident prevention and to avoid that larger objects fall through the grate floor 2.
  • the support and the fill rods 3, 4 are substantially flat and made of sheet steel.
  • the finished grate floor 2 is in particular galvanized.
  • the support structure 1 on a first side and on one of the first side along the support rods. 3 on the opposite second side in each case a reinforcing profile 5, which extend substantially parallel to the filler rods 4.
  • the removal of loads perpendicular to the lattice plane takes place mainly by the support rods 3 and the reinforcing profiles 5.
  • the loads are thereby introduced into side cheeks 6 arranged laterally.
  • the side cheeks 6 are used for attachment and in particular for suspension of the support structure 1 to other structures not shown and are arranged parallel to the support rods 3 such that the reinforcing profiles 5 extend between the side walls 6.
  • FIG. 1 For reasons of clarity, only a single side wall 6 is shown.
  • the side cheeks 6 8 For attachment of the support structure 1, the side cheeks 6 8 holes.
  • the reinforcing profile 5 are positively, positively and / or materially connected to two side cheeks 6, for example by means of a welded joint.
  • a leading edge 7 is arranged, which is provided to prevent injury to the step.
  • the leading edge 7 is preferably provided integrally with a reinforcing profile 5. In the present case, however, the leading edge 7 is a separate component for the step.
  • the side cheeks 6 have at their lower edge on a substantially horizontal first portion 25 and a relative to the first region 25 inclined second portion 26, which is in particular beveled according to the slope of the stairs and the rear side of the step forms.
  • the grate floor 2 has a width which is defined by the distance between the side walls 6.
  • the carrying capacity of the grate floor 2 can preferably be adapted to the respective load situation, since the load-bearing capacity of the support bars 3 is dependent, inter alia, on the length of the support bars 3. The higher the load of the grate floor 2, the lower the length must be selected.
  • the support rods 3 are positively and positively connected to the reinforcing profile 5, so that the load entry of the support rods 3 thus takes place directly in the reinforcing profiles 5, without an additional load-bearing welded connection between the support rods 3 and the reinforcing profiles 5 is required. It may alternatively be useful to weld individual support rods 3 or even all support rods 3 in addition to the reinforcing profiles 5. The load entry, however, takes place primarily by form and adhesion.
  • the reinforcing profiles 5 comprise a U-profile 55, in each of which the support rods 3 are inserted with their ends. The ends of the support rods 3 are arranged in a form-fitting manner between two almost horizontal flanges 55 'of the U-profiles.
  • the support rods 3 at their ends indentations 31, in which the horizontal flanges 55 'are arranged.
  • the ends of the horizontal flanges 55 ' are bent in the direction of the support rods 3 and in particular bent into the indentations 31, so that the support rods 3 are positively clamped between the horizontal flanges 55'.
  • the support rods 3 are thus fixed positively and non-positively against movements perpendicular to the lattice plane or parallel to its longitudinal extent. A weld is therefore not required and can be saved during the manufacturing process of the stair step in an advantageous manner.
  • the support rods 3 are introduced in the tool-free production of the support structure 1 at an angle less than 90 degrees relative to the reinforcing profiles 5 in the lattice plane and then rotated to the end position (90 degrees to the reinforcing profiles 5), the ends in the U-profiles introduced and anchored there. Subsequently, the support rods 3 are additionally fixed by pressing the filler rods 4 relative to each other.
  • FIG. 3 schematic views of further embodiments of the support structure 1 according to the invention are shown, wherein the other embodiments substantially identical to those in Figures 1 and 2 illustrated first embodiment and differ from the first embodiment in particular only with regard to the formation of the reinforcing profiles 5. Moreover, the leading edge 7 is formed integrally with the reinforcing profile 5 on the left side of the support structure 1.
  • the reinforcing profiles 5 are depending on the application with different long horizontal flanges 55 'and formed with differently shaped lower legs. In FIG. 3 For example, a total of seven differently shaped reinforcing profiles 5 are shown, which can be used in any manner and combined with each other.
  • FIG. 4 a further embodiment of the support structure 1 according to the invention is shown, which substantially the in Figures 3 illustrated embodiments, wherein the support rods 3 are positively enclosed along the main extension direction between the reinforcing profiles 5 and in particular clamped non-positively.
  • the support rods 3 are preferably welded or glued to the reinforcing profiles 5.
  • the support rods 3 are inserted or pressed into vertical slots 40 of the reinforcing profiles 5.
  • FIG. 5 a further embodiment of the support structure 1 according to the invention is shown, which substantially the in FIG. 4
  • the reinforcing profiles 5 are connected in a material, force and / or form-fitting manner to further L-profiles 51 "
  • the support rods 3 are arranged between the reinforcing profiles 5 and lie on horizontal flanges 51 'of the further L-profiles 51". on.
  • FIG. 6 a further embodiment of the support structure 1 according to the invention is shown, which substantially the in Figures 5 illustrated embodiment, wherein in the reinforcing profiles 5 windows are formed, from which collars 58 are bent in the direction of the support rods 3 out so that the support rods 3 rest on the ends of the collars 58.
  • FIGS. 7a to 7e are sections of further embodiments of the support structure 1 according to the invention shown, which substantially the in Figures 1 and 2 illustrated, wherein the horizontal flanges 55 'of the reinforcing profiles 5, which are substantially U-shaped, are formed differently.
  • Figure 7a is exemplary only the upper one horizontal flange 55 '
  • FIG. 7b only the lower horizontal flange 55 'and in FIG. 7c both horizontal flanges 55 'bent in the direction of the support rods 3.
  • FIG. 7a is exemplary only the upper one horizontal flange 55 '
  • FIG. 7b only the lower horizontal flange 55 'and in FIG. 7c both horizontal flanges 55 'bent in the direction of the support rods 3.
  • FIG. 7a is exemplary only the upper one horizontal flange 55 '
  • FIG. 7b only the lower horizontal flange 55 'and in FIG. 7c both horizontal flanges 55 'bent in the direction of the support rods 3.
  • the upper and lower horizontal flange 55 'each have an opening 56, which could alternatively be formed as a recess or bulge in the flange, in which a bulge 33 of the support rods 3 preferably engages in the sense of a tongue and groove connection.
  • the bulges 33 are arranged in the recesses 31 of the support rods 3 and prevent slipping out of the ends of the support rods 3 from the u-profiled reinforcing profiles 5.
  • the reinforcing profile 5 has no upper horizontal flange 55 ', so that the support rods 3 only rest on the lower horizontal flange 50'.
  • the reinforcing profiles 5 in this case comprise a Z-profile 50.
  • FIGS. 8a to 8e are sections of further embodiments of the support structure 1 according to the invention shown, which substantially the in Figures 1 and 2 illustrated same first embodiment, wherein the reinforcing profiles 5 and the support rods 3 are formed differently.
  • the support rods 3 at their ends on further bulges 35, which extend substantially parallel to the main extension direction of the support rods 3 in the direction of the reinforcing profile 5.
  • the reinforcing profile 5 in this case comprises corresponding further openings 57, which could also be formed as indentations or bumps in the reinforcing profile 5, which are provided for non-positive and / or positive reception of the further bulges 35.
  • FIG. 8a the support rods 3 at their ends on further bulges 35, which extend substantially parallel to the main extension direction of the support rods 3 in the direction of the reinforcing profile 5.
  • the reinforcing profile 5 in this case comprises corresponding further openings 57, which could also be formed as indentations or bumps in the reinforcing profile 5, which
  • the reinforcing profile 5 comprises a T-profile 52, wherein the support rods 3 rest on a substantially horizontal flange 52 'of the T-profile 52.
  • the reinforcing profile 5 also comprises a T-profile 52, wherein the horizontal flange 52 'of the T-profile 52 is formed by an exposed fold in the reinforcing profile 5.
  • the fold comprises a doubling 54 of the material of the reinforcing profile 5, which protrudes in the direction of the support rods 3 from the reinforcing profile 5 and thus serves as a bearing surface for the support rods 3.
  • the reinforcing profile 5 comprises a bulge 53 which projects in the direction of the support rods 3 from the reinforcing profile 5 and in a recess, which is arranged at the end of the support rod 3, engages.
  • the support rods 3 are formed by the formation of the bulge 53 between two reinforcing profiles 5 preferably pressed.
  • the reinforcing profile 5 also comprises a bulge 53, which is generated by a spot weld, for example by laser or resistance welding.
  • the support rods 3 are clamped by the welding point with the reinforcing profile 5 and preferably welded.
  • FIGS. 9a to 9d are sections of further embodiments of the support structure 1 according to the invention shown, which also essentially the in Figures 1 and 2 illustrated embodiment, wherein the reinforcing profiles 5 and the support rods 3 are formed differently.
  • the reinforcing profile 5 comprises a T-profile 52, similar to FIG. 8b , wherein the horizontal flange 52 'of the T-profile 52 is inserted into a slot 30 arranged on the end of the support rod 3, preferably in the sense of a tongue and groove connection.
  • FIG. 9b the same configuration is shown, wherein the horizontal flange 52 'of the T-profile 52 by a doubling 54 of the material of the reinforcing profile 5, similar to FIG.
  • FIG. 9c a reinforcing profile 5 is shown, wherein the lower leg of the reinforcing profile 5 has a pivoting bend 59 '. The leg is bent over in the direction of the support rod 3, that the end of the leg serves as a support for the support rod 3.
  • FIG. 9d a similar configuration of the reinforcing profile 5 is shown, wherein the reinforcing profile 5 has a substantially complete envelope 59 and the outermost end of the envelope 59 again a relatively small pivoting bend on which the support rod 3 comes to rest.
  • FIGS. 10a to 10e different T-profiles 52 of further embodiments of the support structure 1 according to the invention are shown, which substantially the in FIG. 8b illustrated embodiment, wherein the T-profiles 52 are made differently.
  • FIG. 10a a one-piece T-profile 52 is shown while the in FIG. 10b illustrated T-profile 52 is formed of three flat profiles 60, which are preferably welded together.
  • FIGS. 10c and 10d two T-profiles 52 are shown, which each consist of an L-profile 51 and connected to the L-profile 51 flat profile 60.
  • Illustrated T-profile 52 are two different sized flat profiles 60 welded together.
  • FIGS. 11a to 11c are schematic views of various embodiments of the inventive arrangement of two support structures 1, 1 ', wherein FIG. 11a initially illustrates a side wall 6, which has on its underside in the first region 25 a first recess 20 and in the second region 26, a second recess 22, and a further second recess 23.
  • FIG. 11b are two support structures 1, 1 ', each of which substantially in FIG. 4 similar supporting structure 1, wherein the two support structures 1,1 'each with side cheeks 6 according to the FIG. 11a are equipped.
  • the supporting structures 1, 1 ' are stacked on one another in such a way that the grate floors 2, 2' face away from one another perpendicular to the lattice plane, while the recesses 20, 22, 23 face one another. Furthermore, the first areas 25, 25 'facing away from each other parallel to the lattice plane.
  • the first recess 20 of the upper support structure 1 now receives a first reinforcement profile 5 'of the lower support structure 1', while the first recess 20 'of the lower support structure 1' receives a first reinforcement profile 5 of the upper support structure 1.
  • the second recess 22 of the upper support structure 1 receives a second reinforcement profile 5 'of the lower support structure 1', while the second recess 22 'of the lower support structure 1' receives a second reinforcement profile 5 of the upper support structure 1.
  • the support structures 1, 1 ' are arranged offset to one another both along the reinforcing profiles 5, 5', and along the side cheeks 6, 6 ', so that the side cheeks 6, 6', which have the greatest height, along the reinforcing profiles. 5 , 5 'overlap and thus a comparatively compact stacking of the support structures 1, 1' is achieved with a low stack height and a high stability.
  • FIG. 11c is one to FIG.
  • FIGS. 12a to 12d are schematic views of various embodiments of the inventive arrangement of two support structures 1, 1 ', which substantially the in FIGS. 11b to 11c illustrated arrangements of two support structures 1, 1 'same.
  • a side wall 6 is illustrated, which essentially corresponds to the one in FIG. 11a illustrated side wall 6 is similar, wherein in the first section 25, a further first recess 21 is formed.
  • FIG. 12a side wall 6 is illustrated, which essentially corresponds to the one in FIG. 11a illustrated side wall 6 is similar, wherein in the first section 25, a further first recess 21 is formed.
  • two arrangements of two support structures 1, 1 'are shown which essentially correspond to those in FIGS. 11b and 11c similar arrangements shown.
  • FIG. 12a side wall 6 is illustrated, which essentially corresponds to those in FIGS. 11b and 11c similar arrangements shown.
EP10005018.6A 2009-05-14 2010-05-12 Tragstruktur Active EP2267238B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10005018T PL2267238T3 (pl) 2009-05-14 2010-05-12 Struktura nośna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009021399 2009-05-14

Publications (3)

Publication Number Publication Date
EP2267238A2 EP2267238A2 (de) 2010-12-29
EP2267238A3 EP2267238A3 (de) 2016-03-30
EP2267238B1 true EP2267238B1 (de) 2017-10-18

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Family Applications (1)

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EP10005018.6A Active EP2267238B1 (de) 2009-05-14 2010-05-12 Tragstruktur

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EP (1) EP2267238B1 (pl)
PL (1) PL2267238T3 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018106809U1 (de) 2018-11-29 2019-01-10 Gebrüder Meiser GmbH Tragstruktur
DE102018131383A1 (de) 2018-12-07 2020-06-10 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Tragstruktur und Verfahren zur Herstellung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014109636A1 (de) 2014-07-09 2016-01-14 Gi-Ro Technik Gmbh & Co. Kg Gitterrost-Treppenstufe
DE202017103028U1 (de) * 2017-05-19 2018-08-21 Gi-Ro Technik Gmbh & Co. Kg Selbsttragendes Gitterbodenelement für Warenlagerregale und Laufgänge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994417A (en) 1958-03-25 1961-08-01 Reliance Steel Prod Co Stair treads
DE29904654U1 (de) * 1999-03-13 1999-07-22 Steggemann Gezacktes Sicherheitsantrittsprofil
GB2378713B (en) * 2001-08-14 2005-08-03 Lichtgitter Gratings
AT8461U1 (de) * 2005-03-04 2006-08-15 Drumetall Gmbh & Co Kg Gitterrost
DE202006015548U1 (de) * 2006-10-09 2007-01-04 Gi-Ro Technik Gmbh & Co. Kg Gitterrost-Trittstufe
ES1065181Y (es) * 2007-03-26 2008-02-16 Ceramicas Hijos De F Moratal S Escalon estructural

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018106809U1 (de) 2018-11-29 2019-01-10 Gebrüder Meiser GmbH Tragstruktur
EP3660239A1 (de) 2018-11-29 2020-06-03 Gebrüder Meiser GmbH Tragstruktur
DE102018131383A1 (de) 2018-12-07 2020-06-10 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Tragstruktur und Verfahren zur Herstellung
WO2020115210A1 (de) 2018-12-07 2020-06-11 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Tragstruktur und verfahren zur herstellung

Also Published As

Publication number Publication date
EP2267238A3 (de) 2016-03-30
EP2267238A2 (de) 2010-12-29
PL2267238T3 (pl) 2018-04-30

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