EP0791119B1 - Plateforme de travail - Google Patents

Plateforme de travail Download PDF

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Publication number
EP0791119B1
EP0791119B1 EP95930470A EP95930470A EP0791119B1 EP 0791119 B1 EP0791119 B1 EP 0791119B1 EP 95930470 A EP95930470 A EP 95930470A EP 95930470 A EP95930470 A EP 95930470A EP 0791119 B1 EP0791119 B1 EP 0791119B1
Authority
EP
European Patent Office
Prior art keywords
support frame
working platform
supports
longitudinal
platform according
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.)
Expired - Lifetime
Application number
EP95930470A
Other languages
German (de)
English (en)
Other versions
EP0791119A1 (fr
Inventor
Günther Krause
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.)
Krause Werk GmbH and Co KG
Original Assignee
Krause Werk GmbH and Co KG
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 Krause Werk GmbH and Co KG filed Critical Krause Werk GmbH and Co KG
Publication of EP0791119A1 publication Critical patent/EP0791119A1/fr
Application granted granted Critical
Publication of EP0791119B1 publication Critical patent/EP0791119B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G1/152—Platforms made of metal or with metal-supporting frame
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G2001/156—Stackable platforms

Definitions

  • the invention relates to a work platform for scaffolding or the like, which on two horizontal crossbars of the Scaffolding is attachable, consisting of at least one rectangular, composed of longitudinal and cross members Support frame, the end faces formed by the cross members one adjacent end face each on the Scaffolding can be mounted in parallel at the same height are, and from a held on the support frame, preferably designed as a perforated tread, wherein a walkable surface between the side members, the tread having tread is clamped, which immediately the side members is attached, and the tread U-shaped is trained and his horizontal overhead Web plate serves as a tread and on both sides of it Web plate approximately perpendicular downwards bent Has belt plates.
  • a work platform is known from FR-A-1 424 365.
  • the respective support frame equipped with a plate-shaped covering which in general consists of a glued plywood and with the Support frame is riveted.
  • the high reveal during the Use of the work platform leads to enlargement over time the rivet holes in the plywood so that the covering does not To contribute to the rigidity of the work platform capable and not taken into account in their static calculation remains.
  • the increasing displacement, if only slight of the covering on the support frame also carries to reduce surefootedness during use on the working platform.
  • At least the side members are made of one preferably extruded, about in cross section rectangular hollow profile consist of two each parallel vertical webs and horizontal straps put together is.
  • Such a box-shaped design of the Side member leads to a torsion-free training of Support frame, especially if the at the corner node Bridges of the cross member each to the outer web of the Side members carried and on the belts and / or webs the side members are welded on.
  • Such a corner knot is very robust and highly resilient; in addition, such a construction has the advantage that the end faces of the support frame as before Long sides form closed areas.
  • the invention has set itself the task of a work platform of the type specified at the beginning with simple Make funds operationally reliable and beyond so that the tread the rigidity of the Working platform improved in the long run and in the static calculation can be included; moreover it should easy to manufacture and easy to connect to the support frame be. At the same time, it should be ensured that a Accumulation of dirt and rubble in the work platform is safely prevented.
  • the arrangement is also intended to be made in this way be that several working platforms are mutually sufficient are locked when stored stacked one above the other will.
  • the object is achieved in that at least the longitudinal beams each have a cross section rectangular, closed hollow profile consist of each two parallel vertical bars and horizontal straps is composed, and that the belt plates on the inner Webs of the side members are attached so that the web plate offset parallel to the surface over the upper belts of the Side member is arranged that the cross member is the same have the same frame height as the side members and that on each end face of the support frame at least two attached to the cross beams, to overlap the cross bars of the scaffolding serving hook-shaped brackets are.
  • the tread plate is at least partially is designed as a perforated plate. Although it is not in the construction can avoid that dirt and building material particles through the perforated plate fall, they can be in the tread plate do not accumulate, but continue to fall. The working platform stays clean.
  • the work platform is prepared for good stackability, if the belt plates are attached to the side members like this are that the web plate offset parallel to the surface the longitudinal beams are arranged above the upper belts; especially It is advantageous if the web plate about half the width of the belt plates the upper belts of the support frame towered over.
  • the work platform is extremely torsion-resistant, if the belt plates on the inner webs of the Side members are welded, for example by a Sequence of resistance spot welds.
  • the on the end of the support frame, welded to the side members Crossbeams as upright U-shaped folding profiles be formed, the vertical profile web of the respective Cross-member edged the end of the support frame and the profile straps can be released so that the Profile web simultaneously the hollow profile of the respective Covering the longitudinal member. That way it stands the entire area of the end face of the support frame - for example for fastening fasteners - for Available, and the hollow profile of the side members is also lockable on the front.
  • the lower profile belts are also above the lower straps of the side members end, when Stacking several work platforms, the running plates and so the entire work platform in the next higher work platform certainly oriented, at least in the for safe stacking important direction across the Longitudinal extension of the work platforms.
  • the cross member is the same Uniform frame height as the side members have: the protrusion above the side members is the same at the top as large as below the indentation over the lower edge of the side member.
  • the work platform can be easily attached to the scaffolding attach if on each face of the support frame at least two cross bars attached to the cross members of the scaffolding, hook-shaped brackets are provided.
  • Adjacent work platforms can be used their faces close together on the same Crossbars are stored when the brackets on the crossbars of the support frame in the parallel to the end faces Direction so arranged and from that of the side members formed longitudinal sides of the support frame so spaced are against the brackets on the adjacent one Cross member of another same support frame offset are in such a way that the brackets with aligned support frame can be arranged on the same cross member. It is useful if the brackets on the cross members provided in pairs and near the side members are so that the load on the working platform is as possible is evenly distributed into the scaffolding. In the brackets can be attached in a simple and effective manner be welded to the cross members of the support frame.
  • the rigidity of the work platform be if parallel to the on the support frame Cross members at least one stiffening strut between the Sides is clamped, expediently in the Middle between the crossbeams on both sides.
  • the invention reduces those required for a working platform Components on a few, simply designed and therefore also inexpensive to manufacture components, but overall the provision with consistent lightweight construction a very stable and heavy-duty work platform allow.
  • a work platform according to the invention exists accordingly 1 to 3 essentially from a support frame 1, a Running plate 2 and hook-shaped brackets 3.
  • the support frame 1 is composed of two longitudinal beams 11 and two Cross members 12 assembled together in the Corners 13 of the support frame 1 are welded. About in the In the middle between the cross members 12 is a stiffening strut 14 clamped between the side members 11 and with these also cohesively connected by welds.
  • the cross beams 12 form on the end of the support frame 1 closed surfaces on which the brackets 3 are welded so that the hook provided on them 31 points downwards in the position of use, so that the hook eyelets 32 each have an end face la of the support frame 1 can cross a crossbar of the scaffolding.
  • FIG. 1 is designed as a perforated plate and also clamped between the side members 11 as the stiffening strut 14.
  • Fig. 3 are Resistance spot welds 4 between the supporting frame 1 and indicated the tread 2, with which its in the use position vertical belt plates 21 integrally with the Side members 11 are connected.
  • These longitudinal beams 11 are as an upright rectangular extrusion Hollow profile 110 executed, according to FIG. 6 from each a horizontal upper and lower belt lla, llb and each an inner and outer web 11c, lld connecting these is composed.
  • the profile of one of the cross members 12 and its relative position on the longitudinal members 11 can be clearly seen; it is composed of a U-shaped profile web 12a and an upper and a lower profile belt 12b, 12c, which is bent over by the profile web 12a.
  • the cross member 12 is clamped between the side members 11 so that its upper profile belt 12b protrudes over their upper belts 11a by a height h 1 (FIG. 6).
  • the protruding gussets 12d formed in this way in the width of the longitudinal members 11 are notched on the cross members 12 (FIGS. 6, 7).
  • the lower profile belts 12c according to FIG. 4 are indented into the supporting frame 1 by a height h 2 over the lower belts 11b of the side members 11.
  • the height h 1 is at most as high as the height h 2 , so that (FIG. 8) stacked work platforms can be stacked easily and safely. If the heights h 1 and h 2 are the same, then the cross members 12 also have the height H which is the same as that of the side members 11.
  • the brackets 3 are, with respect to the cross member 12, not provided in mirror image on the support frame 1, but rather, offset in pairs on its two end faces, so that adjacent support frame 1 on the same Querholm a scaffolding can be placed on their Long sides 1b are still flush. 7 is easy to see the situation because the invisible ones Brackets 3 on the rear in relation to the drawing plane lying end face 1a are also indicated.
  • the Brackets 3 are welded to the profile webs 12a throughout and (Fig. 5) in one piece with a corresponding Provide bracket plate 33.
  • the running plate 2 is also (Fig. 6) U-shaped. There is a web plate between the belt plates 21 22 provided, the horizontal upper in the use position Page 22a forms the tread 20 (Fig. 1). His lower Page 22b lies on the upper profile belts 12b of the crossbeam 12, while reaching into the support frame 1 Part of the belt plates 21 on the inner webs 11c
  • the longitudinal beam 11 is connected to the latter in a flat manner, easiest as already mentioned above using resistance spot welding 4th
  • An optional stiffening strut 14 is instead, it is best to use a fillet weld on the side members 11 welded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Movable Scaffolding (AREA)
  • Glass Compositions (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Lubricants (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Ladders (AREA)
  • Bridges Or Land Bridges (AREA)
  • Massaging Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Valve Device For Special Equipments (AREA)

Claims (11)

  1. Passerelle de travail pour échafaudage ou analogue, pouvant être fixée à deux barres transversales de l'échafaudage et comprenant au moins un cadre porteur rectangulaire (1) qui est composé de longerons (11) et de traverses (12) et dont les bords d'extrémité (la) formés per les traverses (12) sont respectivement parallèles à un bord d'extrémité voisin (1a) d'autres cadres porteurs (1) pouvant être montés à la même hauteur, le cadre porteur comprenant également une surface de circulation (20) réalisée de préférence sous la forme d'une tôle perforée et montée sur le cadre porteur (1), une tôle de circulation (2) présentant la surface de circulation (20) sur laquelle on peut marcher, étant à cet effet serrée entre les longerons (11) en étant fixée directement à ces derniers, la tôle de circulation (2) ayant une forme en U dont la tôle de liaison horizontale située en haut (22) sert de surface de circulation (20) et comprend des deux côtés des tôles de rive pliées à peu près à l'équerre vers le bas à partir de la tôle de liaison (22),caractérisée en ce qu'au moins les longerons (11) sont formés chacun d'un profilé creux fermé (110) et de section transversale à peu près rectangulaire, chaque longeron comprenant deux parois parallèles verticales (11c, 11d) et des ailes horizontales (11a, 11b), et en ce que les tôles de rive sont fixées aux parois internes (11c) des longerons (11) de telle manière que la tôle de liaison (22) soit décalée parallèlement dans un plan au-dessus des ailes supérieures (11a) des longerons (11), en ce que les traverses (12) présentent la même hauteur (H) uniforme de cadre porteur que les longerons (11) et en ce qu'à chaque bord d'extrémité (1a) du cadre porteur (1) sont prévus au moins deux organes de maintien (3) en forme de crochet fixés sur les traverses (12) et servant à chevaucher les barres transversales de l'échafaudage.
  2. Passerelle suivant la revendication 1, caractérisée en ce que la tôle de circulation (2) est réalisée au moins partiellement sous la forme d'une tôle perforée.
  3. Passerelle suivant la revendication 1 ou la revendication 2, caractérisée en ce que la tôle de liaison (22) dépasse l'aile supérieure (11a) du cadre porteur (1) à peu près de la demi-largeur (h1) de la tôle de rive (21).
  4. Passerelle suivant l'une quelconque des revendications 1 à 3, caractérisée en ce que les tôles de rive (21) sont soudées sur les longerons (11) par exemple au moyen d'une série de points de soudure par résistance (4).
  5. Passerelle suivant l'une quelconque des revendications 11 à 4, caractérisée en ce que les traverses (12) soudées aux longerons (11) aux bords d'extrémité du cadre porteur (1) sont réalisées sous la forme de profilés pliés en U et placés de chant, l'âme verticale (12a) de chaque profilé délimitant un bord d'extrémité du cadre porteur (1) et les ailes (12a, 12c) du profilé étant pliées de telle manière que l'âme (12a) du profilé recouvre en même temps en le fermant le profilé creux (110) du longeron respectif (11).
  6. Passerelle suivant la revendication 5, caractérisée en ce que les ailes supérieures (12b) du profilé soutiennent la tôle de circulation (2).
  7. Passerelle suivant la revendication 5 ou la revendication 6, caractérisée en ce que les ailes inférieures (12c) du profilé se terminent au-dessus des ailes inférieures (llb) des longerons (11).
  8. Passerelle suivant l'une quelconque des revendications 1 à 7, caractérisée en ce que d'une part les organes de maintien (3) sont disposés sur les traverses (12) du cadre porteur (1) dans une direction parallèle aux bords d'extrémité (1a) et d'autre part les bords longitudinaux (1b) du cadre porteur (1) formés par les longerons (11) ont une distance entre eux tel que ces organes de maintien sont décalés par rapport aux organes de maintien (3) fixés sur les traverses (12) voisines d'un autre cadre porteur identique de manière que lorsque les cadres porteurs (1) sont jointifs, les organes de maintien puissent être disposés sur la même barre transversale.
  9. Passerelle suivant la revendication 8, caractérisée en ce que les organes de maintien (3) sont prévus par paire sur les traverses (12) et au voisinage des longerons (11).
  10. Passerelle suivant l'une quelconque des revendications 1 à 9, caractérisée en ce que les organes de maintien (3) sont soudés sur les traverses (12) du cadre porteur (1).
  11. Passerelle suivant l'une quelconque des revendications 11 à 10, caractérisée en ce qu'au moins un raidisseur (14) est serré entre les longerons (11) sur le cadre porteur (1), parallèlement aux traverses (12).
EP95930470A 1994-11-11 1995-08-16 Plateforme de travail Expired - Lifetime EP0791119B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9418062U 1994-11-11
DE9418062U DE9418062U1 (de) 1994-11-11 1994-11-11 Arbeitsbühne
PCT/EP1995/003251 WO1996015341A1 (fr) 1994-11-11 1995-08-16 Plateforme de travail

Publications (2)

Publication Number Publication Date
EP0791119A1 EP0791119A1 (fr) 1997-08-27
EP0791119B1 true EP0791119B1 (fr) 1998-05-06

Family

ID=6915977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95930470A Expired - Lifetime EP0791119B1 (fr) 1994-11-11 1995-08-16 Plateforme de travail

Country Status (13)

Country Link
US (1) US5915497A (fr)
EP (1) EP0791119B1 (fr)
CN (1) CN1171831A (fr)
AT (1) ATE165893T1 (fr)
CA (1) CA2205035A1 (fr)
CZ (1) CZ134097A3 (fr)
DE (2) DE9418062U1 (fr)
ES (1) ES2117441T3 (fr)
HU (1) HU219278B (fr)
PL (1) PL177213B1 (fr)
RO (1) RO116103B1 (fr)
RU (1) RU2143533C1 (fr)
WO (1) WO1996015341A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223857B1 (en) * 1999-10-28 2001-05-01 Steven J. Wyse Scaffolding platform
US20090020364A1 (en) * 2007-07-17 2009-01-22 Wolfe Iii Albert A Scaffolding plank
CN102758520B (zh) * 2012-07-13 2015-03-11 天津二十冶建设有限公司 一种土体冻融期间首层脚手架搭设方法
DE102018218849A1 (de) * 2018-11-06 2020-05-07 Peri Gmbh Gerüstsystem und Verfahren zur Herstellung des Gerüstsystems
US20200149299A1 (en) * 2018-11-09 2020-05-14 Barr Fabrication, L.L.C. Accessible work over platform with outrigger system, apparatus, and method
CA3080995A1 (fr) * 2019-05-22 2020-11-22 Voideck Ipco Limited Ameliorations en lien avec une plateforme de vide
CA191214S (en) * 2019-05-22 2022-08-02 Voideck Ipco Ltd Platform safety panel

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
US2261831A (en) * 1941-01-16 1941-11-04 Budd Wheel Co Scaffolding structure
GB1026531A (en) * 1961-03-03 1966-04-20 Hall Stage Equipment Ltd Improvements in or relating to platforms
NL6500041A (fr) * 1964-03-25 1965-09-27
FR1435114A (fr) * 1965-03-03 1966-04-15 Plate-forme pour des applications diverses telles qu'à un échafaudage
US3565212A (en) * 1969-11-14 1971-02-23 Up Right Inc Combination beam support and latch means for walk-through platform
GB1352696A (en) * 1970-03-19 1974-05-08 Colt Int Ltd Prefabricated platform structures
CH586335A5 (en) * 1975-02-10 1977-03-31 Tschopp Gebr Fa Timber walkway section for scaffolding - has end profile with hooks engaging with horizontal tube
US4331218A (en) * 1977-12-06 1982-05-25 Eberhard Layher Scaffold plank
GB2032504A (en) * 1978-10-26 1980-05-08 Rusling J Scaffold Frames
GB2055944B (en) * 1979-07-17 1983-08-03 Kwikform Ltd Non-skid surfaces
FR2527251A1 (fr) * 1982-05-18 1983-11-25 Self Lock Echafaudages Element de construction comportant une armature realisee au moyen de longerons et traverses, en particulier pour planchers d'echafaudage
US4496029A (en) * 1983-03-30 1985-01-29 Shigeharu Kuroda Scaffold plank
DE8502756U1 (de) * 1985-02-01 1986-06-12 Langer, geb. Layher, Ruth, 7129 Güglingen Gerüstrahmentafel
FR2582702B1 (fr) * 1985-06-03 1987-08-07 Kernst Henri Plancher pour echafaudages muni d'une trappe d'acces amovible a deux battants
DE3702152A1 (de) * 1987-01-25 1988-08-04 Langer Ruth Geb Layher Geruestrahmentafel
US4811530A (en) * 1987-01-30 1989-03-14 J V Industries, Inc. Portable platform
DE3724269A1 (de) * 1987-07-22 1989-02-02 Langer Geb Layher Geruestrahmentafel aus leichtmetall-strang-press-profilteilen
NL8702026A (nl) * 1987-08-28 1989-03-16 Beleggingsmaatschappij Bouwmat Steigerconstructie bestaande uit staanders, kortelingen, en met de kortelingen verbonden platforms.
DE3808100A1 (de) * 1988-03-11 1989-09-21 Langer Ruth Geb Layher Geruestboden
DE4011624A1 (de) * 1990-04-11 1991-10-17 Langer Ruth Geb Layher Geruestboden
US5152371A (en) * 1991-10-30 1992-10-06 Wyse Steven J Lightweight scaffolding
DE4412072B4 (de) * 1993-04-09 2005-11-24 Wilhelm Layher Vermögensverwaltungs-Gmbh Einrichtung zur Befestigung von Geländern an Rändern von begehbaren Lauf- und Arbeitsflächen-Elementen
DE4311788A1 (de) * 1993-04-09 1994-10-13 Langer Ruth Geb Layher Lauf- und Arbeitsflächen-Element

Also Published As

Publication number Publication date
WO1996015341A1 (fr) 1996-05-23
CA2205035A1 (fr) 1996-05-23
ES2117441T3 (es) 1998-08-01
PL177213B1 (pl) 1999-10-29
RU2143533C1 (ru) 1999-12-27
HU219278B (en) 2001-03-28
DE59502132D1 (de) 1998-06-10
US5915497A (en) 1999-06-29
RO116103B1 (ro) 2000-10-30
EP0791119A1 (fr) 1997-08-27
HUT77400A (hu) 1998-04-28
PL320196A1 (en) 1997-09-15
CZ134097A3 (en) 1997-12-17
DE9418062U1 (de) 1995-01-19
ATE165893T1 (de) 1998-05-15
CN1171831A (zh) 1998-01-28

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