EP0009680A1 - Steel tubing scaffold - Google Patents

Steel tubing scaffold Download PDF

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Publication number
EP0009680A1
EP0009680A1 EP79103413A EP79103413A EP0009680A1 EP 0009680 A1 EP0009680 A1 EP 0009680A1 EP 79103413 A EP79103413 A EP 79103413A EP 79103413 A EP79103413 A EP 79103413A EP 0009680 A1 EP0009680 A1 EP 0009680A1
Authority
EP
European Patent Office
Prior art keywords
wedge
driven
claw
brackets
scaffold
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
EP79103413A
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German (de)
French (fr)
Other versions
EP0009680B1 (en
Inventor
Gerhard Dobersch
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.)
Guenter Rux Te Hagen Bondsrepubliek Duitslan GmbH
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 DE19782842831 external-priority patent/DE2842831C2/en
Priority claimed from DE19782842944 external-priority patent/DE2842944B1/en
Application filed by Individual filed Critical Individual
Publication of EP0009680A1 publication Critical patent/EP0009680A1/en
Application granted granted Critical
Publication of EP0009680B1 publication Critical patent/EP0009680B1/en
Expired 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
    • 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
    • E04G7/307—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 with tying means for connecting the bars or members

Definitions

  • the invention relates to a tubular steel frame with tubular stands on which these flange-like brackets are fastened at a distance from one another, to which the bars of the scaffold can be connected by means of claws fastened at the ends to the bars and with which the bars can be locked by wedges, the wedges can be driven into openings in the claw.
  • Such a tubular steel frame is known (DE-OS 24 49 124).
  • the brackets consist of ring-shaped disks with openings, on which the bolts with their claws can be pushed.
  • the jaws of the claws have mutually corresponding openings for receiving a wedge which, when driven in, penetrates an opening in the disc and the claw.
  • the claws are clamped with the free ends of their jaws on the casing of the pipe stand when the wedge is driven in, in order to ensure a positive and non-positive connection of the belt to the pipe stand.
  • the invention has for its object to provide a wedge connection, through which the deformation and thus weakening of the pipe stand is avoided.
  • the jacket of each console has a conical surface extending over the circumference of the jacket and an oblique surface for the wedge is arranged in the opening of the shaft of the claw, which in the driven state with one side on the Cone surface of the shell of the console and with its opposite side is supported on the inclined surface.
  • the positive and non-positive wedge connection of a bolt with the brackets of two pipe stands according to the invention avoids the deformation of the pipe stand that previously resulted from the wedge connection.
  • each bracket is provided with a circular collar which surrounds the tubular stand at a distance and which is tapered in cross-section at the top, and that the jaws of the claws are correspondingly trapezoidal on the inside and corresponding to the curvature of the collar are designed.
  • brackets according to the invention are also progressive in the following respects.
  • care must be taken that the openings of the individual brackets are flush with one another, since otherwise the connection of two pipe stands is questioned. This requirement does not apply to the brackets designed according to the invention, whereby the connection of the brackets to the pipe stands is made considerably easier.
  • the console according to the invention also offers the advantage that the latch can be attached at any angle.
  • FIG. 1 shows a partially drawn tube stand of a steel tube frame and a horizontal bar connected to the tube stand in a side view, partially in section, and FIG. 2 in a top view.
  • the console 2 has a circular arrangement or the like as passages for rainwater, dirt. serving breakthroughs 3 and a collar 4 enclosing the tube stand 1 at a distance, which is integral with the bracket 2.
  • the collar is 4 tapered upwards in cross-section in a trapezoidal shape.
  • the jacket of the console 2 has a conical surface 5 which extends over the circumference of the jacket. 6 with a horizontal tubular bolt is designated, which carries a claw 7 at its ends. The claw 7 is fastened with a shaft 8 in the bolt 6.
  • the jaws of the claw 7 are designed on the inside in accordance with the curvature and the trapezoidal taper of the collar 4 of the bracket 2.
  • the bolt 6 is firmly pushed onto the collar 4 of the bracket 2 with the claw 7.
  • the shaft 8 of the claw 7 has an oblique opening 9, which serves to receive an elongated wedge 10.
  • the wedge 10 is supported in its effective position on the conical surface 5 of the casing of the bracket 2 on the one hand and on the inclined surface 11 of the opening 9 of the claw 7 on the other hand.
  • the wedge lo is suitably captively connected to the claw 7.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)

Abstract

1. A steel tube scaffold with tube posts (1) on which brackets (2) spaced from one another and encompassing same flange-like are secured to which the latches (6) of the scaffold may be connected by means of jaws (7) secured endwise at the latches (6) and with which the latches (6) are interlockable by wedges (10), said wedges (10) being able to be driven from above into apertures (9) of the shafts (8) of the jaws (7) and in the driven-in condition being supported with one of their wedge faces on an inclined surface (11) of the apertures (9), characterized in that the circumference of each bracket (2) has a tapered surface (5) extending throughout the whole length of the circumference and converging downwardly, at which the wedge (10) is supported in its driven-in condition with its other wedge face.

Description

Die Erfindung betrifft ein StahlrohrgerUst mit Rohrständern, auf denen diese flanschartig umfassende Konsolen in Abstand voneinander befestigt sind, an die die Riegel des Gerüstes mit Hilfe von endseitig an den Riegeln befestigten Klauen anschließbar sind und mit denen die Riegel durch Keile verriegelbar sind, wobei die Keile in DurchbrUche der Klaue eintreibbar sind.The invention relates to a tubular steel frame with tubular stands on which these flange-like brackets are fastened at a distance from one another, to which the bars of the scaffold can be connected by means of claws fastened at the ends to the bars and with which the bars can be locked by wedges, the wedges can be driven into openings in the claw.

Ein derartiges Stahlrohrgerüst ist bekannt (DE-OS 24 49 124). Bei diesem bestehen die Konsolen aus ringförmigen Scheiben mit DurchbrUchen, auf die die Riegel mit ihren Klauen aufschiebbar sind. Die Backen der Klauen weisen miteinander korrespondierende DurchbrUche zur Aufnahme eines Keiles auf, der beim Eintreiben einen Durchbruch der Scheibe und der Klaue durchsetzt. Die Klauen werden dabei beim Eintreiben des Keiles mit den freien Enden ihrer Backen an dem Mantel des Rohrständers verklemmt, um eine form- und kraftschlUssige Verbindung der Ri.egel mit dem Rohrständer sicherzustellen. Dabei läßt sich jedoch die Möglichkeit nicht ausschließen, daß der Mantel der Rohrständer an den BerUhrungsstellen mit den Klauen bereits nach relativ kurzer Zeit so stark eingebeult ist, daß nicht nur keine spielfreie Verkeilung mehr möglich ist, sondern auch die Rohrständer infolge der durch die Einbeulung erfolgten Schwächung vorzeitig ausgewechselt werden müssen.Such a tubular steel frame is known (DE-OS 24 49 124). In this case, the brackets consist of ring-shaped disks with openings, on which the bolts with their claws can be pushed. The jaws of the claws have mutually corresponding openings for receiving a wedge which, when driven in, penetrates an opening in the disc and the claw. The claws are clamped with the free ends of their jaws on the casing of the pipe stand when the wedge is driven in, in order to ensure a positive and non-positive connection of the belt to the pipe stand. However, the possibility cannot be ruled out that the casing of the pipe stand at the contact points with the claws is dented so strongly after a relatively short time that not only Wedge-free wedging is no longer possible, but the tube stands must also be replaced prematurely due to the weakening caused by the dent.

Der Erfindung liegt die Aufgabe zugrunde, eine Keilverbindung zu schaffen, durch die die Verformung und damit Schwächung der Rohrständer vermieden wird.The invention has for its object to provide a wedge connection, through which the deformation and thus weakening of the pipe stand is avoided.

Die Lösung der Aufgabe besteht erfindungsgemäß darin, daß der Mantel einer jeden Konsole eine sich über den Umfang des Mantels erstreckende Konusfläche aufweist und im Durchbruch des Schaftes der Klaue eine schräge Fläche für den Keil angeordnet ist, der in eingetriebenem Zustand mit seiner einen Seite an der Konusfläche des Mantels der Konsole und mit seiner gegenüberliegenden Seite an der schrägen Fläche abgestützt ist.The solution to the problem is according to the invention that the jacket of each console has a conical surface extending over the circumference of the jacket and an oblique surface for the wedge is arranged in the opening of the shaft of the claw, which in the driven state with one side on the Cone surface of the shell of the console and with its opposite side is supported on the inclined surface.

Durch die erfindungsgemäße form- und kraftschlüssige Keilverbindung eines Riegels mit den Konsolen zweier Rohrständer ist die bisher durch die Keilverbindung entstehende Verformung der Rohrständer vermieden.The positive and non-positive wedge connection of a bolt with the brackets of two pipe stands according to the invention avoids the deformation of the pipe stand that previously resulted from the wedge connection.

Eine vorteilhafte Weiterbildung des erfindungsgemäßen Stahlrohrgerüstes besteht darin, daß eine jede Konsole mit einem kreisförmigen, den Rohrständer mit Abstand umschließenden Kragen versehen ist, der nach oben im Querschnitt trapezförmig verjüngt ist, und daß die Backen der Klauen innenseitig entsprechend trapezförmig und der Krümmung des Kragens entsprechend gestaltet sind.An advantageous further development of the tubular steel frame according to the invention is that each bracket is provided with a circular collar which surrounds the tubular stand at a distance and which is tapered in cross-section at the top, and that the jaws of the claws are correspondingly trapezoidal on the inside and corresponding to the curvature of the collar are designed.

Die Riegel werden mit ihren Klauen senkrecht auf die Kragen der Konsolen fest aufgeschoben. Hierdurch ist in vorteilhafter Weise eine weitere, und zwar unmittelbare formschlüssige Verbindung der Riegel mit den Konsolen und damit eine größere Stabilität des Gerüstes erreicht. Die erfindungsgemäße Ausbildung der Konsolen ist auch in folgender Hinsicht fortschrittlich. Bei der Befestigung der bekannten Konsolen auf den Rohrständern muß darauf geachtet werden, daß die Durchbrüche der einzelnen Konsolen genau miteinander fluchten, da anderenfalls die Verbindung zweier Rohrständer in Frage gestellt ist. Dieses Erfordernis entfällt bei den erfindungsgemäß ausgebildeten Konsolen, wodurch das Verbinden der Konsolen mit den Rohrständern wesentlich erleichtert ist. Es bietet ferner die erfindungsgemäße Konsole den Vorteil, daß der Riegel in einem beliebigen Winkel angebaut werden kann.With their claws, the bolts are pushed firmly onto the brackets of the brackets. In this way, a further, and indeed a direct, positive connection of the bolts to the brackets and thus greater stability of the scaffold is advantageously achieved. The design of the brackets according to the invention is also progressive in the following respects. When attaching the known brackets to the pipe stands, care must be taken that the openings of the individual brackets are flush with one another, since otherwise the connection of two pipe stands is questioned. This requirement does not apply to the brackets designed according to the invention, whereby the connection of the brackets to the pipe stands is made considerably easier. The console according to the invention also offers the advantage that the latch can be attached at any angle.

Die Erfindung ist nachstehend in einem AusfUhrungsbeispiel anhand der Zeichnung näher erläutert. Es zeigt Fig. 1 einen teilweise gezeichneten Rohrständer eines Stahlrohrgerüstes und einen an den Rohrständer angeschlossenen horizontalen Riegel in Seitenansicht, teilweise im Schnitt, und Fig. 2 in Draufsicht.The invention is explained in more detail below in an exemplary embodiment with reference to the drawing. 1 shows a partially drawn tube stand of a steel tube frame and a horizontal bar connected to the tube stand in a side view, partially in section, and FIG. 2 in a top view.

Mit 1 ist ein Rohrständer eines Stahlrohrgerüstes bezeichnet, auf dem eine ringförmige Konsole 2 durch Schweißen befestigt ist. Die Konsole 2 besitzt kreisförmig angeordnete, als Durchlässe für Regenwasser, Schmutz o.dgl. dienende Durchbrüche 3 und einen den Rohrständer 1 mit Abstand umschließenden Kragen 4, der mit der Konsole 2 einstückig ist. Der Kragen 4 ist nach oben im Querschnitt trapezförmig verjüngt. Der Mantel der Konsole 2 weist eine Konusfläche 5 auf, die sich über den Umfang des Mantels erstreckt. Mit 6 ist ein horizontaler rohrförmiger Riegel bezeichnet, der an seinen Enden eine Klaue 7 trägt. Die Klaue 7 ist mit einem Schaft 8 in dem Riegel 6 befestigt. Die Backen der Klaue 7 sind innenseitig der Krümmung und der trapezförmigen Verjüngung des Kragens 4 der Konsole 2 entsprechend gestaltet. Der Riegel 6 ist mit der Klaue 7 senkrecht auf den Kragen 4 der Konsole 2 fest aufgeschoben. Der Schaft 8 der Klaue 7 weist einen schrägen Durchbruch 9 auf, der der Aufnahme eines länglichen Keiles 1o dient. Der Keil 1o stützt sich in seiner wirksamen Lage an der Konusfläche 5 des Mantels der Konsole 2 einerseits und an der schrägen Fläche 11 des Durchbruches 9 der Klaue 7 andererseits ab. Der Keil lo ist zweckmäßig mit der Klaue 7 unverlierbar verbunden.1 with a tube stand of a tubular steel frame is referred to, on which an annular bracket 2 is fixed by welding. The console 2 has a circular arrangement or the like as passages for rainwater, dirt. serving breakthroughs 3 and a collar 4 enclosing the tube stand 1 at a distance, which is integral with the bracket 2. The collar is 4 tapered upwards in cross-section in a trapezoidal shape. The jacket of the console 2 has a conical surface 5 which extends over the circumference of the jacket. 6 with a horizontal tubular bolt is designated, which carries a claw 7 at its ends. The claw 7 is fastened with a shaft 8 in the bolt 6. The jaws of the claw 7 are designed on the inside in accordance with the curvature and the trapezoidal taper of the collar 4 of the bracket 2. The bolt 6 is firmly pushed onto the collar 4 of the bracket 2 with the claw 7. The shaft 8 of the claw 7 has an oblique opening 9, which serves to receive an elongated wedge 10. The wedge 10 is supported in its effective position on the conical surface 5 of the casing of the bracket 2 on the one hand and on the inclined surface 11 of the opening 9 of the claw 7 on the other hand. The wedge lo is suitably captively connected to the claw 7.

Claims (2)

1. Stahlrohrgerüst mit Rohrständern, auf denen diese flanschartig umfassende Konsolen (2) in Abstand voneinander befestigt sind, an die die Riegel (6) des Gerüstes mit Hilfe von endseitig an den Riegeln (6) befestigten Klauen (7) anschließbar sind und mit denen die Riegel (6) durch Keile (lo) verriegelbar sind, wobei die Keile (lo) in Durchbrüche der Klaue (7) eintreibbar sind,
dadurch gekennzeichnet,
daß der Mantel einer jeden Konsole (2) eine sich über den Umfang des Mantels erstreckende Konusfläche (5) aufweist und im Durchbruch (9) des Schaftes (8) der Klaue (7) eine schräge Fläche (11) für den Keil (lo) angeordnet ist, der in eingetriebenem Zustand mit seiner einen Seite an der Konusfläche (5) des Mantels der Konsole (2) und mit seiner gegenüberliegenden Seite an der schrägen Fläche (11) abgestützt ist.1. Steel tube frame with tube stands on which these flange-like brackets (2) are attached at a distance from each other, to which the bars (6) of the frame can be connected with the aid of claws (7) attached to the bars (6) at the ends and with which the bolts (6) can be locked by wedges (lo), the wedges (lo) being able to be driven into openings in the claw (7),
characterized,
that the casing of each bracket (2) has a conical surface (5) extending over the circumference of the casing and in the opening (9) of the shaft (8) of the claw (7) an inclined surface (11) for the wedge (lo) is arranged, which is supported in the driven state with one side on the conical surface (5) of the casing of the console (2) and with its opposite side on the inclined surface (11). 2. Stahlrohrgerüst nach Patentanspruch 1, bei dem eine jede Konsole (2) mit einem kreisförmigen, den Rohrständer (1) mit Abstand umschließenden Kragen (4) versehen ist, der nach oben im Querschnitt trapezförmig verjüngt ist, wobei die Backen der Klauen (7) innenseitig entsprechend trapezförmig und der Krümmung des Kragens (4) entsprechend gestaltet sind.2. Steel tube frame according to claim 1, in which each bracket (2) is provided with a circular collar (4) which surrounds the tube stand (1) at a distance and is tapered upwards in cross-section, the jaws of the claws (7 ) are designed trapezoidal on the inside and designed according to the curvature of the collar (4).
EP19790103413 1978-10-02 1979-09-12 Steel tubing scaffold Expired EP0009680B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19782842831 DE2842831C2 (en) 1978-10-02 1978-10-02 Tubular steel frame
DE2842944 1978-10-02
DE19782842944 DE2842944B1 (en) 1978-10-02 1978-10-02 Tubular steel frame
DE2842831 1978-10-02

Publications (2)

Publication Number Publication Date
EP0009680A1 true EP0009680A1 (en) 1980-04-16
EP0009680B1 EP0009680B1 (en) 1981-10-14

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ID=25775927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790103413 Expired EP0009680B1 (en) 1978-10-02 1979-09-12 Steel tubing scaffold

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EP (1) EP0009680B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493381A1 (en) * 1980-10-30 1982-05-07 Lambertus De Leeuw Petrus COUPLING FOR BARS OR TUBES
FR2527711A1 (en) * 1982-05-28 1983-12-02 Select Etem Sa Scaffolding connection point - has locating rings welded on posts with locations for the cross members
EP0116679A1 (en) * 1982-10-04 1984-08-29 Plettac GmbH, Stahlbau u. Gesenkschmiede Scaffolding, in particular a construction scaffolding
FR2548250A1 (en) * 1983-07-01 1985-01-04 Richard Patrick Scaffolding equipment with claws
EP0317695A1 (en) * 1987-11-27 1989-05-31 Günter Rux Gmbh Metal scaffolding for buildings
EP0623716A1 (en) * 1993-05-04 1994-11-09 Ulma, S.Coop. Ltda. Improved multidirectional scaffolding

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163532A (en) * 1965-08-26 1969-09-10 Eddison Plant Ltd Improvements in or relating to scaffolding
GB1163533A (en) * 1965-08-26 1969-09-10 Eddison Plant Ltd Improvements in or relating to scaffolding
DE2351383A1 (en) * 1972-10-13 1974-04-25 Evans & Sons Ltd C FRAMEWORK OR SIMILAR CONSTRUCTION
GB1408566A (en) * 1971-09-17 1975-10-01 Evans & Sons Ltd C Couplings for use in scaffold structures for coupling an upright member to a transom or ledger member
DE2449124A1 (en) * 1974-10-16 1976-04-29 Eberhard Layher PIPE SCAFFOLDING SYSTEM IN PARTICULAR FOR BUILDING SCAFFOLDINGS
DE2658410A1 (en) * 1976-12-23 1978-07-06 Layher Eberhard Rapidly assembled temporary stable - comprises wall panels and roof sheets on structure of tubular posts and trusses
DE2724932A1 (en) * 1977-06-02 1978-12-07 Eberhard Layher LATCH FOR METAL PIPE SCAFFOLDING

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163532A (en) * 1965-08-26 1969-09-10 Eddison Plant Ltd Improvements in or relating to scaffolding
GB1163533A (en) * 1965-08-26 1969-09-10 Eddison Plant Ltd Improvements in or relating to scaffolding
DE1684219B2 (en) * 1965-08-26 1975-01-16 Kwikform Ltd., Birmingham, Warwickshire (Grossbritannien) Device for connecting scaffolding parts
GB1408566A (en) * 1971-09-17 1975-10-01 Evans & Sons Ltd C Couplings for use in scaffold structures for coupling an upright member to a transom or ledger member
DE2351383A1 (en) * 1972-10-13 1974-04-25 Evans & Sons Ltd C FRAMEWORK OR SIMILAR CONSTRUCTION
GB1427011A (en) * 1972-10-13 1976-03-03 Evans & Sons Ltd C Scaffold structures
DE2449124A1 (en) * 1974-10-16 1976-04-29 Eberhard Layher PIPE SCAFFOLDING SYSTEM IN PARTICULAR FOR BUILDING SCAFFOLDINGS
DE2658410A1 (en) * 1976-12-23 1978-07-06 Layher Eberhard Rapidly assembled temporary stable - comprises wall panels and roof sheets on structure of tubular posts and trusses
DE2724932A1 (en) * 1977-06-02 1978-12-07 Eberhard Layher LATCH FOR METAL PIPE SCAFFOLDING

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493381A1 (en) * 1980-10-30 1982-05-07 Lambertus De Leeuw Petrus COUPLING FOR BARS OR TUBES
FR2527711A1 (en) * 1982-05-28 1983-12-02 Select Etem Sa Scaffolding connection point - has locating rings welded on posts with locations for the cross members
EP0116679A1 (en) * 1982-10-04 1984-08-29 Plettac GmbH, Stahlbau u. Gesenkschmiede Scaffolding, in particular a construction scaffolding
FR2548250A1 (en) * 1983-07-01 1985-01-04 Richard Patrick Scaffolding equipment with claws
EP0317695A1 (en) * 1987-11-27 1989-05-31 Günter Rux Gmbh Metal scaffolding for buildings
EP0623716A1 (en) * 1993-05-04 1994-11-09 Ulma, S.Coop. Ltda. Improved multidirectional scaffolding

Also Published As

Publication number Publication date
EP0009680B1 (en) 1981-10-14

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