EP0332019A1 - Raccord d'angle pour échafaudages - Google Patents

Raccord d'angle pour échafaudages Download PDF

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Publication number
EP0332019A1
EP0332019A1 EP89103467A EP89103467A EP0332019A1 EP 0332019 A1 EP0332019 A1 EP 0332019A1 EP 89103467 A EP89103467 A EP 89103467A EP 89103467 A EP89103467 A EP 89103467A EP 0332019 A1 EP0332019 A1 EP 0332019A1
Authority
EP
European Patent Office
Prior art keywords
corner
design according
gusset plates
vertical
rungs
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.)
Granted
Application number
EP89103467A
Other languages
German (de)
English (en)
Other versions
EP0332019B1 (fr
Inventor
Ruth Langer Geb. Layher
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89103467T priority Critical patent/ATE67816T1/de
Publication of EP0332019A1 publication Critical patent/EP0332019A1/fr
Application granted granted Critical
Publication of EP0332019B1 publication Critical patent/EP0332019B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • 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
    • E04G1/14—Comprising essentially pre-assembled two-dimensional [2D] frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
    • 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
    • E04B1/388—Separate connecting elements
    • E04B2001/389—Brackets

Definitions

  • the invention relates to a corner design in scaffolding for construction, repair and maintenance purposes, the vertical stems and horizontal rungs of light metal are welded together and are provided in corners with welded gusset plates, one side of which with the vertical stem and the other with the horizontal rung is welded.
  • scaffolds made of light metal tubes are preferred for many purposes in which assembly and disassembly must be carried out quickly and for which there are large pathways or unfavorable conditions, for many other purposes.
  • gusset plates are used in various ways for bracing. These can be used to connect other elements such as the diagonal bars. Then they usually have large cross sections. In other places, only very small gusset plates are common or possible for constructional and technical reasons.
  • a corner area on the lower rung of frames that are plugged onto one another has proven to be critical. At this point, which is at the height of the scaffolding floor, any gusset plate of any size cannot be welded in, because it would cause tripping hazards.
  • steel scaffolding one is now used in the vertical axis of the scaffold tube single gusset lying on the central plane. However, this has turned out to be extremely problematic in terms of welding technology, heat technology and strength, particularly when processing with automatic welding machines.
  • the invention has for its object to find a corner design for scaffolding of the type mentioned, in which an inexpensive solution with the smallest possible gusset plates can be achieved with the most favorable seam geometry while adapting to automatic manufacturing conditions and with favorable thermal behavior during the welding process.
  • two gusset plates spaced apart on the outer regions of the possibly smaller part, are provided for each corner, in which only the outer edges are welded to the respectively adjacent part.
  • the scaffold 10 has assembly frames 11, scaffold floors 12 and, for example, diagonal bars 13.
  • the lowest assembly frames 11.1 stand on height-adjustable feet 14.
  • the adjusting frames 11 each have two vertical stems 15, one upper support bar 16 and one lower rung 17.
  • the hooks 18 of the scaffolding floors 12 are suspended in the upper support bars 16.
  • the respective upper mounting frame 11.2 with its rung 17.2 below holds the hooks 18 of the underlying scaffolding floor 12 against lifting.
  • Two gusset plates 20 are provided in each of the lower corners 19, whereas a gusset plate was previously provided here. Pins 21 standing next to the gusset plates serve to hang in toe boards. Except for the design with the two gusset plates, it is a common scaffolding design with a frame, whereby the parts are made of light metal.
  • the essential elements of the invention can be seen more clearly from FIG. 2.
  • the stem 15 is designed as a vertical round tube with a diameter D of, for example, 48 mm.
  • the horizontal rung 17 is designed as a rectangular hollow tube, the shorter, vertical side walls 22.1 and 22.2 being vertical and flat.
  • Upper wall 23.1 and lower wall 23.2 are the longer walls and they are each partially arched outwards in a cylindrical shape, so that the outer wall height H1 is lower than the central height H2.
  • B is the outer width of the rung 17. This is slightly smaller than the diameter D of the stem. This results in a favorable design for the welding and the accommodation of the gusset plates 20.
  • Upper wall 23.1 and lower wall 23.2 are cut out in the region of their connecting end 24 according to the boundary line 25 with a radius corresponding to the diameter D, for example punched out, and lie against the outer wall 26 of the stem 15.
  • the gusset plates 20 are advantageously punched out as isosceles, right-angled triangular sections with the vertical cathetus 31, the horizontal cathetus 32 and the hypotenuse 33.
  • the cathets 31 and 32 are preferably approximately 40 mm long.
  • the thickness of the gusset plates 20 is preferably approximately 4.5 mm.
  • the pointed corners 40.1 and 40.2 of the triangles are cut off to form small end surfaces 39.1 and 39.2. This prevents the burning of corners that are too small when welding.
  • the gusset plates 20 are punched out, in the corner between the vertical catheter 31 and the outer wall 26 of the stem 15 there is a fillet 34 which is filled with a fillet weld 35. Since the outer surfaces 36 of both gusset plates 20 are aligned with the outer side walls 22.1 and 22.2 of the rung 17, the fillet weld 35 can also be guided in a straight line over the ends 37 of the vertical side walls 22.1 and 22.2. The seam must then be placed on the cathete 32.
  • the gusset plate 20 is punched out in a straight line and because of the slight curvature of the upper wall 23.1 there is only a small gap which no longer permits the placement of a fillet weld.
  • a butt seam 38 is carried out continuously over the entire length of the cathete 32 and also closes the gap.
  • the result is an extraordinarily simple seam geometry which is much simpler than that of one in the middle welded single gusset. This can be done much easier, better, faster and therefore cheaper by a welding robot than with previous versions. This largely compensates for the effort required for the second gusset plate. Due to the large distance between the weld seams, local overheating can also be avoided better. In addition, you can achieve better stiffening of the entire corner connection. Any manufacturing or material tolerances that occur can also be better compensated for in automatic production. As can be seen from the cross-sectional area of the rung 17 in FIG.
  • the inner corner regions 27.1 to 27.4 of the side walls 22.1 and 22.2 are designed with a somewhat greater wall thickness than the central regions 27.5 and 27.6. This results in reinforcements in the corner areas in which the butt seams 38 are placed, which are better suited to the thermal load than a uniform wall formation.
  • the corner design in scaffolding provides two outer gusset plates (20) between the vertical stem (15) made of aluminum and the horizontal rung (17) made of aluminum, which are welded into the corner with a simple seam geometry and avoiding local overheating.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Ladders (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Finishing Walls (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Headphones And Earphones (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Window Of Vehicle (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Catching Or Destruction (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Special Wing (AREA)
EP89103467A 1988-03-09 1989-02-28 Raccord d'angle pour échafaudages Expired - Lifetime EP0332019B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89103467T ATE67816T1 (de) 1988-03-09 1989-02-28 Eckgestaltung in geruesten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807631A DE3807631A1 (de) 1988-03-09 1988-03-09 Eckgestaltung in geruesten
DE3807631 1988-03-09

Publications (2)

Publication Number Publication Date
EP0332019A1 true EP0332019A1 (fr) 1989-09-13
EP0332019B1 EP0332019B1 (fr) 1991-09-25

Family

ID=6349191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103467A Expired - Lifetime EP0332019B1 (fr) 1988-03-09 1989-02-28 Raccord d'angle pour échafaudages

Country Status (8)

Country Link
EP (1) EP0332019B1 (fr)
AT (1) ATE67816T1 (fr)
DE (2) DE3807631A1 (fr)
DK (1) DK166036C (fr)
ES (1) ES2027051T3 (fr)
FI (1) FI91095C (fr)
NO (1) NO173565C (fr)
PT (1) PT89940B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000064624A1 (fr) * 1999-04-22 2000-11-02 Kennametal Inc. Modele de joints de soudure d'angle
EP1693531A1 (fr) * 2005-01-24 2006-08-23 Wilhelm Layher Verwaltungs-GmbH Cadre stabilisé
DE102006045526A1 (de) * 2006-09-27 2008-04-03 Rux Gmbh Vertikalrahmen
ITBA20110027A1 (it) * 2011-05-31 2012-12-01 Gianfranco Giordano Parapetto strutturale anticaduta perfezionato

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006015586U1 (de) 2006-10-11 2008-02-21 Wilhelm Layher Verwaltungs-Gmbh Vertikalrahmenelement aus Metall

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1196129A (fr) * 1958-05-14 1959-11-20 Procédé d'aménagement d'échafaudage démontable et échafaudage en comportant application
FR1491339A (fr) * 1966-06-02 1967-08-11 Fives Penhoet Panneau préfabriqué et son élément de jonction pour l'érection rapide de consturctions diverses
EP0048624A2 (fr) * 1980-09-24 1982-03-31 Aluma Systems Incorporated Structure portante soudée, en aluminium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1196129A (fr) * 1958-05-14 1959-11-20 Procédé d'aménagement d'échafaudage démontable et échafaudage en comportant application
FR1491339A (fr) * 1966-06-02 1967-08-11 Fives Penhoet Panneau préfabriqué et son élément de jonction pour l'érection rapide de consturctions diverses
EP0048624A2 (fr) * 1980-09-24 1982-03-31 Aluma Systems Incorporated Structure portante soudée, en aluminium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000064624A1 (fr) * 1999-04-22 2000-11-02 Kennametal Inc. Modele de joints de soudure d'angle
US6386641B2 (en) 1999-04-22 2002-05-14 Kennametal Pc Inc. Weld joint design for corners
EP1693531A1 (fr) * 2005-01-24 2006-08-23 Wilhelm Layher Verwaltungs-GmbH Cadre stabilisé
DE102006045526A1 (de) * 2006-09-27 2008-04-03 Rux Gmbh Vertikalrahmen
DE102006045526B4 (de) * 2006-09-27 2013-09-19 Rux Gmbh Vertikalrahmen
ITBA20110027A1 (it) * 2011-05-31 2012-12-01 Gianfranco Giordano Parapetto strutturale anticaduta perfezionato

Also Published As

Publication number Publication date
FI891114A0 (fi) 1989-03-09
DE3807631A1 (de) 1989-11-23
ATE67816T1 (de) 1991-10-15
NO891002L (no) 1989-09-11
FI91095B (fi) 1994-01-31
NO173565B (no) 1993-09-20
ES2027051T3 (es) 1992-05-16
DK166036B (da) 1993-03-01
DK110389A (da) 1989-09-10
DK166036C (da) 1993-07-12
FI91095C (fi) 1994-05-10
NO173565C (no) 1994-01-05
FI891114L (fi) 1989-09-10
DK110389D0 (da) 1989-03-07
NO891002D0 (no) 1989-03-08
PT89940B (pt) 1994-03-31
DE58900312D1 (de) 1991-10-31
PT89940A (pt) 1989-11-10
EP0332019B1 (fr) 1991-09-25

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