WO1989001082A1 - Structure d'echafaudage a poutres - Google Patents

Structure d'echafaudage a poutres Download PDF

Info

Publication number
WO1989001082A1
WO1989001082A1 PCT/GB1988/000484 GB8800484W WO8901082A1 WO 1989001082 A1 WO1989001082 A1 WO 1989001082A1 GB 8800484 W GB8800484 W GB 8800484W WO 8901082 A1 WO8901082 A1 WO 8901082A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
dimensional
elements
plates
scaffold structure
Prior art date
Application number
PCT/GB1988/000484
Other languages
English (en)
Inventor
Dennis William Lovering
Original Assignee
Gkn Kwikform Limited
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 Gkn Kwikform Limited filed Critical Gkn Kwikform Limited
Publication of WO1989001082A1 publication Critical patent/WO1989001082A1/fr

Links

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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements

Definitions

  • This invention relates to a. scaffold structure made up of a plurality of beams, as opposed to the usual scaffold tube structure, wherein the structure has sufficient strength to resist or carry loads greatly in excess of those which could be met by an equivalent scaffold tube structure-
  • Such beam scaffold structures are known but suffer from the disadvantage that the various beams thereof cannot be readily clamped or secured to one another at optimally desired positions as would be the case in an equivalent scaffold tube structure because the size and shape of the beams does not enable the fitting thereto of, for example, a clamping coupler device of the type which is used for connecting scaffold tubes together.
  • the beams which are used in the known beam scaffold structures usually comprise what are referred to in the art as soldiers each of which may be in the form of a single elongate steel member of square or rectangular cross sectional form or in the form of a pair of spaced parallel elongate steel members secured together by connector plates at their ends and also secured together intermediate of their ends.
  • soldiers each of which may be in the form of a single elongate steel member of square or rectangular cross sectional form or in the form of a pair of spaced parallel elongate steel members secured together by connector plates at their ends and also secured together intermediate of their ends.
  • One such known form of soldier comprises a pair of spaced channel section elongate steel members secured together in parallel back to back relation with rectangular end connector plates welded to the. ends of the channel members.
  • a series of longitudinally spaced aligned apertures is provided along the length of the channel members for reducing the overall weight of the soldier and also for providing attachment locations for other scaffold elements.
  • a connector at an end of, for example, a vertically disposed beam to which could be bolted the respective end connector plates of horizontally disposed beams and a further vertically disposed beam.
  • a connector has been proposed generally in the form of a cube having six planar surfaces comprising mounting plates to which can be bolted the end connector plates of up to six vertically and horizontally disposed beams i.e. two vertically disposed beams one above and one below the connector and up to four horizontally disposed beams.
  • a connector releasably securable about a beam for use in a scaffold structure comprising a pair of connector elements releasably securable together to embrace a said beam; means on at least one of said elements for locating said element at a required position on the said beam, two mutually perpendicular mounting plates on each of said elements providing, when the two elements are secured together about the said beam, four mounting plates on the connector arranged in two spaced parallel pairs with the plates in each one of said pairs being perpendicular to the plates in the other said pair whereby up to four further beams of a scaffold structure may be secured at their ends to the connector.
  • a two dimensional or three dimensional lattice scaffold structure comprising a plurality of vertically disposed horizontally spaced apart beams, a connector releasably secured about each of said beams, each said connector having four mounting plates arranged in two spaced parallel pairs thereof with the plates of each of said pairs being perpendicular to the plates in the other said pair, each said connector being secured to a respective vertically disposed beam at a predetermined position whereby sets of connectors are disposed in a common horizontal plane; a plurality of horizontally disposed beams each of which is secured at each end to a mounting plate of a connector of a said set thereof to form, together with the vertically disposed beams, a two dimensional or three dimensional scaffold structure.
  • the beam about which the connector is securable and the or each beam which is securable to a respective mounting plate of the connector is of the type comprising a pair of spaced parallel elongate elements having a series of longitudinally spaced aligned apertures therein and a connector plate at each of its ends attached across the ends of the pair of elongate elements.
  • the said means for locating a connector element at.
  • a required position on the beam conveniently comprises a projection extending perpendicularly from a said mounting plate for engagement with one of the apertures in one of the elongate elements of the beam and, preferably, each of the connector elements is provided with such a projection whereby each of said projections is engageable with a respective one of a pair of aligned apertures in the two elongate elements of the beam.
  • Figure 1 is an isometric view of a connector constructed in accordance with the invention comprising two connector elements securable together about a soldier;
  • Figure 2 is a top plan view of the connector of Figure 1 showing it secured in position about a vertically disposed soldier comprising two back to back channel section members having a series of aligned apertures therein;
  • Figure 3 is a top plan view of one connector element of the connector shown in Figure 1;
  • Figure 4 is a side elevation of the connector element shown in Figure 3;
  • Figure 5 is an end elevation of the connector element shown in Figure 3;
  • Figure 6 is an end elevation of one form of three dimensional beam scaffold structure comprising a plurality of interconnected soldiers and connectors in accordance with the invention
  • Figure 7 is .a side elevation of another form of beam scaffold structure comprising a plurality of interconnected soldiers and connectors in accordance with the invention together with additional bracing elements.
  • a connector 10 constructed in accordance with the invention comprises two connector elements 12 and 14 each of which is locatable at a desired position relative to a soldier with the two elements then being secured to one another about the soldier to retain the connector thereon.
  • the connector 10 is adapted for use with a soldier of the type having a series of longitudinally spaced apertures along its length whereby the connector may be located relative to the soldier.
  • Soldiers of this type are shown in Figures 2, 6 and 7 and each comprise a pair of spaced parallel channel
  • Each connector 10 is of generally cubic form having four square or rectangular planar mounting plates 22, 24, 26, 28 having apertures.30 ' therein to which may be bolted the respective end plates 20 of soldiers to be secured to the connector.
  • Each connector element 12 and 14 of a connector 10 comprises two planar mounting plates 22, 24 and 26, 28 respectively arranged in mutually perpendicular relationship; each such mounting plate being attached as by welding to a pair of parallel upper and lower flanges 32, 34 with the adjacent ends of each pair of flanges in each connector element being attached as by welding 36 to one another to provide a connector element 12 or 14 which is generally L-shaped in plan view (see the connector element 14 of Figure 3).
  • the free ends of each pair of flanges 32 and 34 are provided with apertures 38 to receive retaining bolts (not shown) for securing the connector elements 12 and 14 to one another and retaining the connector about a soldier as will be further described.
  • the mounting plate 26 is provided with means for locating the connector element at a desired position relative to the soldier on which the connector is to be mounted.
  • Such means comprises a cylindrical spigot 40 extending perpendicularly inwardly of the mounting plate 26 for location within an aperture 18 of one of the channel section members 16 of the soldier (see Figure 2).
  • a similar cylindrical spigot 40 extends perpendicularly inwardly of the mounting plate 22 of the other connector element 12.
  • the mounting plates 24 and 28 of the connector elements 12 and 14 are not provided with such a spigot but may, for stiffening purposes, be provided with a welded stiffening flange 42.
  • a similar stiffening flange 44 may also be welded onto the mounting plates 22 and 26 of the respective connector elements 12 and 14.
  • each mounting plate 22, 24, 26, 28 is configured to extend outwardly of the respective mounting plate as shown to provide a convenient means of temporary support for the end of a soldier whilst it is being aligned for bolting to the respective mounting plate.
  • a connector 10 may be secured to a vertically disposed soldier at any desired position thereon at which an aperture 18 in the soldier is provided.
  • the separate connector elements 12 and 14 are firstly located on opposite sides of the soldier and the spigots 40 on the connector elements are engaged within respective apertures 18 of a pair of aligned apertures in the soldier channel section members 16 as is clearly shown in Figure 2.
  • the connector elements 12 and 14 are then adjusted to align the respective apertures 38 in the free ends of the upper and lower flanges 32 and 34 and the elements are secured together by bolting through said apertures whereby the connector is retained on the soldier.
  • a two dimensional or three dimensional lattice beam scaffold structure may thus be erected with any desired spacing distance between the vertically and horizontally disposed soldiers of the structure.
  • a three dimensional beam scaffold structure is shown comprising pairs of vertical elements spaced horizontally (out of the plane of the drawing) of other pairs of vertical elements.
  • Each vertical element may comprise, as shown, three soldiers 50, 52, 54 bolted together in end to end relation by means of their end plates 20.
  • the lower soldier 50 of each vertical element is of a length having nine equidistantly spaced apertures 18 therein whilst the other two soldiers 52 and 54 are each of a length having five equidistantly spaced apertures 18 therein.
  • Connectors 10 in accordance with the invention are secured to the respective soldiers of each vertical element of the structure at positions to provide equidistant vertical spacing between adjacent connectors (leaving five free apertures 18 between adjacent vertically spaced connectors as shown) whereby horizontal soldiers 56 of equal desired length may be bolted by means of their end plates 20 to respective mounting plates of the connectors 10. Although not visible in Figure 6, further horizontal soldiers of equal desired length will be bolted by means of their end plates to respective mounting plates of the connectors 10 to extend in a plane perpendicular to the plane of the illustrated soldiers 56.
  • either a two dimensional or three dimensional lattice beam scaffold structure may be built up wherein any desired vertical or horizontal spacing may be provided between adjacent soldiers of the structure since the various connectors may be located at any position along the lengths of the horizontal or vertical soldiers at which an aperture 18 is provided.
  • a further form of beam scaffold structure is shown by way of example in Figure 7 wherein connectors 10 are provided on vertical soldiers.60 at desired positions intermediate their ends.
  • the vertical soldiers are interconnected by means of two parallel horizontal elements each comprising three soldiers 62 bolted together in end to end relation and to the respective connectors by means of their end plates 20.
  • the horizontal elements are further interconnected by means of inclined brace elements 64 secured between apertures 18 of the soldiers.
  • the connector of the invention is specifically adapted by means of its cylindrical spigots 40 for use with soldiers having spaced apertures 18 along their length.
  • the connector of the invention may be adapted to be used with other types of soldier provided that some form of locating means is provided on the connector for engagement with some form of cooperating formation on the soldier.

Abstract

Structure d'échafaudage à poutres en treillis en deux ou trois dimensions comprenant une pluralité de blocs et de pièces de connexion verticaux et horizontaux interconnectés. Chaque pièce de connexion (10) comprend deux éléments de connexion (12, 14) pouvant être fixés ensemble autour d'un bloc, la pièce de connexion étant placée sur le bloc, et retenue par rapport à celui-ci au moyen d'un goujon cylindrique (40) se trouvant sur chaque élément de connexion engagé à l'intérieur d'un orifice (18) coopérant d'une paire d'orifices alignés dans un bloc vertical. La pièce de connexion assemblée, une fois placée autour d'un bloc vertical, présente quatre plaques (22, 24, 26, 28) de montage planes auxquelles peuvent être boulonnées les plaques terminales d'un nombre de blocs de la structure, allant jusqu'à quatre. L'invention présente un moyen permettant de construire une structure d'échafaudage à poutres allant jusqu'à deux ou trois dimensions, dans laquelle on peut placer les pièces de connexion sur les blocs dans n'importe quelle position désirée, où se trouve un orifice (18).
PCT/GB1988/000484 1987-07-27 1988-06-22 Structure d'echafaudage a poutres WO1989001082A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08717752A GB2207480A (en) 1987-07-27 1987-07-27 Beam scaffold structure
GB8717752 1987-07-27

Publications (1)

Publication Number Publication Date
WO1989001082A1 true WO1989001082A1 (fr) 1989-02-09

Family

ID=10621367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1988/000484 WO1989001082A1 (fr) 1987-07-27 1988-06-22 Structure d'echafaudage a poutres

Country Status (3)

Country Link
AU (1) AU1949288A (fr)
GB (1) GB2207480A (fr)
WO (1) WO1989001082A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225361B (en) * 1988-10-11 1992-10-21 Leada Acrow Ltd Improvements in and relating to soldier connectors
DE3841281A1 (de) * 1988-12-08 1990-06-13 Rueter Gmbh E Vorrichtung zur verbindung der traeger zerlegbarer fachwerkbauten
GB2228057A (en) * 1989-02-11 1990-08-15 Kwikform Ltd Gkn Beam scaffold connector
GB9009453D0 (en) * 1990-04-26 1990-06-20 Smith Graham Nut for use with self-tapping screws
GB2251668B (en) * 1990-12-18 1994-02-09 Anthony Whitham Junction unit
CN103938852A (zh) * 2013-01-22 2014-07-23 克威实业股份有限公司 鹰架的复合材结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876048A (en) * 1954-07-20 1959-03-03 John Murnighan Scaffold assembly
DE1434019A1 (de) * 1961-01-31 1968-11-07 Electrolux Ab Selbsttragendes Rahmenwerk fuer Boeden,Waende und dergleichen
DE1434491A1 (de) * 1960-04-11 1969-07-10 Stahlrohrgeruestbau Georg Bach Geruest
FR2474087A1 (fr) * 1980-01-18 1981-07-24 Hussor Erecta Sa Echafaudage ou structure a tubes et colliers a montage rapide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB648479A (en) * 1948-06-18 1951-01-03 Braithwaite & Company Engineer Improvements in and relating to structural metal framework
US3846030A (en) * 1972-08-10 1974-11-05 H Katt Post
GB1488170A (en) * 1974-12-06 1977-10-05 Evans & Sons Ltd C Supporting collar for use with builders scaffolding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876048A (en) * 1954-07-20 1959-03-03 John Murnighan Scaffold assembly
DE1434491A1 (de) * 1960-04-11 1969-07-10 Stahlrohrgeruestbau Georg Bach Geruest
DE1434019A1 (de) * 1961-01-31 1968-11-07 Electrolux Ab Selbsttragendes Rahmenwerk fuer Boeden,Waende und dergleichen
FR2474087A1 (fr) * 1980-01-18 1981-07-24 Hussor Erecta Sa Echafaudage ou structure a tubes et colliers a montage rapide

Also Published As

Publication number Publication date
GB8717752D0 (en) 1987-09-03
GB2207480A (en) 1989-02-01
AU1949288A (en) 1989-03-01

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