EP0268197A2 - Echafaudage, plus spécialement échafaudage pour le bâtiment - Google Patents

Echafaudage, plus spécialement échafaudage pour le bâtiment Download PDF

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Publication number
EP0268197A2
EP0268197A2 EP87116648A EP87116648A EP0268197A2 EP 0268197 A2 EP0268197 A2 EP 0268197A2 EP 87116648 A EP87116648 A EP 87116648A EP 87116648 A EP87116648 A EP 87116648A EP 0268197 A2 EP0268197 A2 EP 0268197A2
Authority
EP
European Patent Office
Prior art keywords
profile
stands
scaffolding
profiles
scaffolding 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.)
Granted
Application number
EP87116648A
Other languages
German (de)
English (en)
Other versions
EP0268197B1 (fr
EP0268197A3 (en
Inventor
Gerhard Grund
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
Priority claimed from DE19863639697 external-priority patent/DE3639697A1/de
Priority claimed from DE8711664U external-priority patent/DE8711664U1/de
Application filed by Individual filed Critical Individual
Priority to AT87116648T priority Critical patent/ATE62310T1/de
Publication of EP0268197A2 publication Critical patent/EP0268197A2/fr
Publication of EP0268197A3 publication Critical patent/EP0268197A3/de
Application granted granted Critical
Publication of EP0268197B1 publication Critical patent/EP0268197B1/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
    • E04G1/154—Non-detachably fixed and secured connections between platform and scaffold
    • 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 frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
    • 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
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/303—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are only fixed at one of the bars or members to connect
    • 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
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • 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
    • E04G2001/158—Platforms supported by spigots which engage through holes in the platform

Definitions

  • the invention relates to a scaffolding, in particular scaffolding, with stands, horizontal crossbars and one-piece box-shaped metal planks, U-profiles are attached to the ends of the planks and being symmetrical on the outside of the U-profiles with respect to the horizontal central plane Connection profiles are integrally formed, which attack the crossbars.
  • the U-profiles used here consist of profiled steel sheets, which are made from sheet metal by bending them accordingly. The ends of the planks are covered with these profiled steel sheets. Since the planks are made of wood, the legs of the profiled steel sheets are nailed to the outside of the planks. Starting from these legs, the steel sheet is then folded inwards and further folded so that a hollow head or, as seen in cross section, an approximately trapezoidal hollow strip is produced.
  • the web of the U-profile, which encompasses the respective screed end consists of two parts that are still a certain distance apart in the middle. This steel sheet design had several disadvantages in practice.
  • the nailing of the sheet metal legs can easily loosen in the course of time, so that the legs can then stand up in whole or in part and tripping edges can form on the scaffolding planks.
  • the profiling or edging of the steel sheets is quite complex and it can only be relatively thin Find sheet metal. This results in considerable damage in the rough application area of scaffolding, in which the planks are often thrown or dropped when a scaffold is dismantled. If the steel sheet profiles are even damaged or dented in places, the entire screed can no longer be used or must be repaired accordingly.
  • a scaffold panel which has longitudinal spars and transverse strips on the end faces, on which a plate is fastened, which forms the aisle and work surface and is referred to as wood covering, but which is also made of different suitable materials can exist.
  • Three hooks are welded to the cross bar at a distance from each other.
  • the cross bar has inwardly bent legs that engage in the longitudinal bars.
  • rivet tabs are also provided so that they are fastened by means of blind rivets.
  • the hooks are made of sheet metal, so they are hollow on the inside.
  • the invention is based on the object of creating a scaffold which permits secure and permanent fastening of the most important scaffold parts to one another, which furthermore enables simple handling of the individual parts to be assembled and which closes Lich has such a stable construction that it can withstand the highest demands.
  • each U-profile with the respective connection profile consists of an extruded part and extends over the width of the screed, that the two legs of the U-profile engage in the interior of a one-piece screed designed as a box-shaped metal profile , and that each U-profile is welded to the relevant end of the screed in such a way that the weld proximity between the front ends of the upper and lower wall of the screed on the one hand and the web of the U-profile on the other hand.
  • Figure 1 shows an embodiment of the invention using a section of a scaffold, in particular a scaffolding, with a part of the stand 1, for example a stand tube in view and a related U-shaped, upward opening cross member 2 drawn in vertical section is.
  • the planks 3 and 4 to be connected on both sides are shown with their end parts in vertical section, these planks being made in one piece and as a box-shaped metal profile (light metal) with an upper wall and a lower wall, which are also shown in section.
  • horizontal bars 5 can be connected at suitable points in a manner known per se. The arrangement of these horizontal bars is adapted to the circumstances in a known manner.
  • U-profiles 6 are inserted and fastened in the ends of the planks 3 and 4 which are open at the end.
  • a connection profile 33 is formed in one piece, which, as shown, engages the crossmember, namely on the upwardly projecting legs of the upwardly open U-shaped crossmember 2.
  • the U-profile 6 consists on the one hand of a vertically extending web 7 and two horizontally extending legs 8, 9 and the connecting profile 33, on the other hand, consists of a spacer 10 and a double-sided strip 11.
  • both the U-profile 6 and the connecting profile 33 are formed symmetrically with respect to the horizontal central plane running perpendicular to the image plane.
  • This design has the advantage that the profile can be produced by pulling and separated from the strand in the desired length and that the profile can always be fastened correctly, even after turning 180 degrees, at the end of the screed in question.
  • the legs 8 and 9 of the U-profile 6 engage in the interior of the screed, which already ensures a firm hold.
  • Another essential safeguard and simple manufacture results from the fact that the U-profiles 6 are welded to the ends of the planks 3, 4, the weld seams 12 and 13 advantageously being provided between the front ends of the plank walls on the one hand and the web 7 on the other hand.
  • the U-profiles 6 with their connecting profiles 33 advantageously consist of a single extruded part, which in practice is cut from the strand to a length which corresponds approximately to the width of the screed. This applies to all corresponding profiles according to the invention, also according to FIGS. 3 and 4.
  • FIG. 2 illustrates that the design of the profiles according to the invention according to FIG. 1 can also be used with differently designed cross members 14 and 15 and with a different design of the horizontal bars, namely with rectangular tubes 16 or oval tubes 17.
  • the same reference numerals as in FIG. 1 have been used in FIG. 2 for the same or equivalent parts.
  • Figure 3 shows in vertical section another embodiment of a profile, the left part, which is attached to the end of the screed concerned, again with a U-profile 6 Web 7 and two legs 8, 9 is formed, while the right part, namely the connection profile is designed as a box profile 19.
  • This box profile has openings 20 and 21 on the top and bottom or on the two horizontal walls, in which the supports 29 and 30 shown in FIG. 4 can engage, which in turn have triangular head parts 31 and 32 in cross section, as a result of which the relevant ones are pushed open Box profiles 19 is facilitated.
  • These supports 29 and 30 are expediently attached to a crossmember 18, which in the exemplary embodiment according to FIG. 4 is designed as a rectangular or square hollow profile.
  • connection profile 19 is reinforced on both sides of the openings 20 and 21 with outer beads 22, 23, 24 and 25. These beads can be provided in the region of their ends with holes 34 for inserting retaining pins or with threaded holes for screwing in retaining screws.
  • FIG. 4 shows yet another advantageous embodiment of the invention, according to which the connecting profiles 19 (FIG. 4) or 33 (FIGS. 1 and 2) are at least partially covered by a profile 26 for securing the covering.
  • This profile 26 can therefore be used both in the embodiment according to FIG. 4 and in the embodiments according to FIGS. 1 and 2.
  • this profile has the further significant advantage that the connection points or the pipe joints are covered, so that there are no tripping edges during the transition from one end of the plank to the other, and that driving over, for example with a wheelbarrow, is made easier.
  • the profile 26 has an upwardly curved ledge and on the underside thereof a web 28 which serves as a support and transfers the load to any scaffolding parts located underneath.
  • FIG. 5 shows a scaffold frame which is set up vertically and which runs transversely to the overall scaffold which can be assembled.
  • the scaffold frame essentially consists of two stands 101 and 102, which are formed from cylindrical light metal tubes. All the other parts explained below also suitably consist of light metal, in particular an aluminum alloy.
  • the two stands 101, 102 are firmly connected to one another by a cross member 103 and at their lower ends by an upwardly curved rail 104 to form the frame.
  • the stands 101, 102 are provided at their upper ends with pins 108, 109 which have conical bevels 110, 111 on the end face and which can be inserted into the stands of an adjacent frame, not shown, located above them.
  • the outer diameters of the pins 108, 109 and the inner diameters of the stands 101, 102 are matched to one another accordingly.
  • obliquely extending supports 105 and 106 are welded between the cross member 103 and the stands 101, 102.
  • the crossbeam 103 carries a plurality of screed brackets 107, onto which one, two or, as in the present case, three screeds can be attached, depending on the width of the scaffolding and the design of the screeds.
  • the traverse consists of a rectangular hollow profile.
  • Each screed bracket partially surrounds the cross member with two lateral claws 135 and 136 and a web 137 which connects the two claws 135 and 136 to one another.
  • each screed holder has two upwardly projecting holding pins 138 and 139, which are molded on accordingly and which have conical tapered portions 140 and 141 at the upper end.
  • the connection between the screed brackets 107 and the cross member 103 is made by welds 142.
  • the rail 104 which is curved upwards and can be seen particularly clearly in FIG. 9, has a trapezoidal central rail part on the underside.
  • the rail 104 is arranged so that it covers the gap between two planks located closely below each. This becomes clear when you think of a further frame part according to FIG. 5 placed on top of the frame part shown in FIG. Additional safety and special equipment can be provided, such as the pin 120.
  • FIGS. 6 and 7 A particularly important construction is shown in FIGS. 6 and 7, namely the latch holders 121, which are provided on the stands 101, 102 on the outer and / or inner sides at a distance from one another or one above the other, as shown in FIG.
  • These latch holders have cylindrical pins 122 which run radially to the stands 101, 102 and which are connected on the one hand to the relevant stand 101, 102 via cylinder parts 126 and on the other hand are provided with asymmetrically mounted swivel tabs 125 or tilting pins.
  • the cylinder parts 126 advantageously encompass the stands 101, 102 over an angle 127 of approximately 90 degrees.
  • Support projections 130 and 131 are formed on their inner cylinder wall ends, in the area of which the cylinder parts 125 are connected to the stands 101, 102 by welds 128 and 129.
  • a gap 132 is provided between the support projections 130, 131 on the one hand and each cylinder part 126 and the relevant stand 101, 102 on the other hand.
  • there is a tight contact of the support projections 130, 131 on the outer surface of the stand 101, 102 in question so that particularly tight and secure welds 128, 129 performed and the latch bracket 121 can be aligned very precisely and easily attached.
  • lever arms result from the load acting on the pin, whereby the weld seams are loaded only comparatively little.
  • the swivel tabs 125 which due to their asymmetrical design always endeavor to pivot into the vertical position according to FIG. 6, are mounted in vertical slots 123 of the cylindrical pins 122 by means of clamping sleeves 124.
  • the latch brackets 121 serve to hold or fasten the latches running perpendicular to the image plane of FIGS. 5 and 6, above all the horizontal latches 133, which can be designed as continuous tubes and have two mutually opposite bores at a distance from one another, respectively the distances with which the scaffold frames are set up within the scaffolding.
  • the ends of the respective horizontal bolts can also be attached to the bolt holder, whereby it is possible, among other things, to flatten the bolt ends or with perforated tabs 134 ( Figure 5).
  • Significant advantages of the constructions according to the invention are that especially those parts that are heavily loaded are very stable and unbreakable bar and ensure a secure mounting.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP87116648A 1986-11-20 1987-11-11 Echafaudage, plus spécialement échafaudage pour le bâtiment Expired - Lifetime EP0268197B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116648T ATE62310T1 (de) 1986-11-20 1987-11-11 Geruest, insbesondere baugeruest.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19863639697 DE3639697A1 (de) 1986-11-20 1986-11-20 Geruest, insbesondere baugeruest
DE3639697 1986-11-20
DE8711664U 1987-08-28
DE8711664U DE8711664U1 (fr) 1987-08-28 1987-08-28

Publications (3)

Publication Number Publication Date
EP0268197A2 true EP0268197A2 (fr) 1988-05-25
EP0268197A3 EP0268197A3 (en) 1988-09-21
EP0268197B1 EP0268197B1 (fr) 1991-04-03

Family

ID=25849582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116648A Expired - Lifetime EP0268197B1 (fr) 1986-11-20 1987-11-11 Echafaudage, plus spécialement échafaudage pour le bâtiment

Country Status (4)

Country Link
EP (1) EP0268197B1 (fr)
DE (1) DE3769088D1 (fr)
ES (1) ES2022269B3 (fr)
GR (1) GR3001989T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753289A1 (de) * 1997-12-01 1999-06-02 Plettac Ag Kopfbeschlag einer Gerüstbohle
EP1857610A1 (fr) * 2006-05-18 2007-11-21 SAFE b.v. Connexion traverse/plancher pour systèmes d'echafaudage
EP2161391A3 (fr) * 2008-09-05 2013-11-06 Harsco Infrastructure Services GmbH Cadre vertical pour structures dotées d'un profil ouvert en haut comme entretoise horizontale supérieure
EP2980333A1 (fr) * 2014-08-01 2016-02-03 Wilhelm Layher Verwaltungs-GmbH Élement de structure, en particulier pour un echafaudage
DE102015206072A1 (de) * 2015-04-02 2016-10-06 Kurt Krieg Geländer und Baugerüst

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034812A (en) * 1959-05-21 1962-05-15 George W Causey Lock for retaining braces on the scaffolding stud
FR1381910A (fr) * 1964-02-07 1964-12-14 Mario Sandroni Procédé pour la fabrication d'assemblages avec verrou déséquilibré à souder sur les tubes, en particulier pour les échafaudages destinés au bâtiment
FR2092295A5 (fr) * 1970-04-23 1971-01-21 Eerste Nl
DE2341167A1 (de) * 1973-08-11 1974-10-31 Bera Berliner Rahmengeruest Geruestbohle
DE8520249U1 (de) * 1985-07-11 1985-08-22 Bera Berliner Rahmengerüst GmbH & Co KG, 1000 Berlin Vertikalrahmen
DE3444666A1 (de) * 1984-12-07 1986-06-12 Hünnebeck GmbH, 4030 Ratingen Hohlkastentafel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034812A (en) * 1959-05-21 1962-05-15 George W Causey Lock for retaining braces on the scaffolding stud
FR1381910A (fr) * 1964-02-07 1964-12-14 Mario Sandroni Procédé pour la fabrication d'assemblages avec verrou déséquilibré à souder sur les tubes, en particulier pour les échafaudages destinés au bâtiment
FR2092295A5 (fr) * 1970-04-23 1971-01-21 Eerste Nl
DE2341167A1 (de) * 1973-08-11 1974-10-31 Bera Berliner Rahmengeruest Geruestbohle
DE3444666A1 (de) * 1984-12-07 1986-06-12 Hünnebeck GmbH, 4030 Ratingen Hohlkastentafel
DE8520249U1 (de) * 1985-07-11 1985-08-22 Bera Berliner Rahmengerüst GmbH & Co KG, 1000 Berlin Vertikalrahmen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753289A1 (de) * 1997-12-01 1999-06-02 Plettac Ag Kopfbeschlag einer Gerüstbohle
EP0919676A1 (fr) * 1997-12-01 1999-06-02 plettac AG Ferrure de tête pour plate-forme d'échafaudage
EP1857610A1 (fr) * 2006-05-18 2007-11-21 SAFE b.v. Connexion traverse/plancher pour systèmes d'echafaudage
EP2161391A3 (fr) * 2008-09-05 2013-11-06 Harsco Infrastructure Services GmbH Cadre vertical pour structures dotées d'un profil ouvert en haut comme entretoise horizontale supérieure
EP2980333A1 (fr) * 2014-08-01 2016-02-03 Wilhelm Layher Verwaltungs-GmbH Élement de structure, en particulier pour un echafaudage
DE102015206072A1 (de) * 2015-04-02 2016-10-06 Kurt Krieg Geländer und Baugerüst
DE102015206072B4 (de) * 2015-04-02 2017-01-12 Kurt Krieg Geländer und Baugerüst

Also Published As

Publication number Publication date
DE3769088D1 (de) 1991-05-08
EP0268197B1 (fr) 1991-04-03
ES2022269B3 (es) 1991-12-01
EP0268197A3 (en) 1988-09-21
GR3001989T3 (en) 1992-11-23

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