WO2002066765A2 - Dispositif de raccordement pour echafaudages - Google Patents

Dispositif de raccordement pour echafaudages Download PDF

Info

Publication number
WO2002066765A2
WO2002066765A2 PCT/DE2002/000569 DE0200569W WO02066765A2 WO 2002066765 A2 WO2002066765 A2 WO 2002066765A2 DE 0200569 W DE0200569 W DE 0200569W WO 02066765 A2 WO02066765 A2 WO 02066765A2
Authority
WO
WIPO (PCT)
Prior art keywords
scaffolding
connection device
rod
scaffold
frame
Prior art date
Application number
PCT/DE2002/000569
Other languages
German (de)
English (en)
Other versions
WO2002066765A3 (fr
Inventor
Helmut Kreller
Original Assignee
Wilhelm Layher Vermögensverwaltungs-Gmbh
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 DE10112369.8A external-priority patent/DE10112369B4/de
Application filed by Wilhelm Layher Vermögensverwaltungs-Gmbh filed Critical Wilhelm Layher Vermögensverwaltungs-Gmbh
Priority to PL362524A priority Critical patent/PL200827B1/pl
Priority to EP02716596.8A priority patent/EP1362150B1/fr
Publication of WO2002066765A2 publication Critical patent/WO2002066765A2/fr
Publication of WO2002066765A3 publication Critical patent/WO2002066765A3/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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/16—Struts or stiffening rods, e.g. diagonal rods
    • 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

  • the present invention relates to a connection device for scaffolding with a receiving device for the detachable connection of at least one rod, in particular a railing rod, and a connection device for the detachable connection of the connection device to a scaffolding rod or a scaffold frame.
  • a connecting device for railing bars is used, which is designed as a so-called inner box and is welded directly to the vertical post of the vertical frame. Appropriately shaped end regions of railing rods are inserted into the connecting device, which is open at the top, and then clamped in the inner box by clamping a wedge.
  • the inner box can be mass-produced inexpensively as a series component.
  • guardrails is required in accordance with the applicable regulations in the outer area of the scaffold facing away from the structure to be scaffolded. If the wall distance between the scaffold and the component to be scaffolded, i.e. on the inside of the scaffold, is more than 30 cm (centimeters), the corresponding regulations stipulate that either brackets or additional inner railing bars must be arranged.
  • the arrangement of additional inner railings is necessary in any case when installing wall units in steel construction halls, since the steel construction halls do not initially form a "wall" between the supporting structures, which means that the technicians located on the scaffolding are additionally secured in the direction of the inside of the scaffolding, that is to say towards the building to be scaffolded.
  • connection device is welded to a wedge coupling.
  • the wedge coupling is clamped on by means of a wedge
  • the present invention is based on the object or the technical problem of specifying a connecting device for scaffolding bars, in particular railing bars, which avoids the disadvantages shown in the prior art, can be produced economically, and the work and time involved assembly and disassembly are significantly reduced and permanent and reliable function is guaranteed.
  • the invention is also based on the object of specifying a scaffold rod or a scaffold frame which allows a connection device to be connected in a simple manner.
  • connection device according to the invention is given by the features of independent claim 1.
  • Advantageous refinements and developments are the subject of the dependent claims.
  • the scaffold rod or scaffold frame according to the invention is given by the features of independent claim 9.
  • Advantageous refinements and developments are the claims dependent on claim 9.
  • connection device is accordingly characterized in that the connection device has a projection unit which can be connected in a form-fitting and / or non-positive manner in a recess provided on the scaffolding rod or frame.
  • the projection unit is designed like a hammer head, in such a way that it can be inserted into the recess provided on the railing rod or scaffold frame and engages behind the inner wall of the scaffold rod or scaffold frame by twisting.
  • the connecting device according to the invention In terms of production technology and practical handling during assembly or disassembly, it is particularly advantageous to design the connecting device according to the invention in such a way that the recess is designed as an elongated hole.
  • a particularly advantageous development is characterized in that a base plate is attached, in particular welded, on the side of the connecting device facing the scaffolding rod or scaffold frame, on which the projection unit is arranged.
  • the base plate and the projection unit are preferably formed in one piece as a cast part.
  • a particularly advantageous embodiment is characterized in that an anti-rotation device is provided which secures the connecting device against rotation in the connected state.
  • connection device With regard to practical handling during assembly or disassembly and at the same time with regard to ensuring a permanently reliable function, a particularly advantageous alternative of the connection device according to the invention is characterized in that the anti-rotation device as a further on the Scaffold rod or scaffold frame side, in particular on the base plate, arranged knobs or protrusion elements is formed, the protrusion length of which is designed such that a click or snap effect occurs when the connecting device is rotated and, when connected, the knobs or protrusion elements on the outer wall of the railing or scaffold frame designed as a round tube cross section.
  • Impact tool or lever tool can be performed.
  • the scaffold rod or scaffold frame according to the invention is characterized in that it has at least one recess in which a connection device of the type described above can be connected.
  • two recesses are preferably provided spaced apart from one another in the longitudinal direction of the scaffold rod or scaffold frame.
  • the connecting device according to the invention offers the following advantages:
  • connection device ensures a simple throwing and catching process due to its compact construction and light weight, because such connection devices are thrown upwards by an assembly person located in the lower area during assembly and vice versa.
  • Scaffolding rods or scaffolding frames which have a mounted connection device, can be stacked without problems in the known stacking devices for such elements without the connection device having to be dismantled, which is not possible in the case of connected connection devices according to the prior art due to their voluminous structure.
  • connection device represents a significant improvement in a scaffolding system that requires additional railing rods on the inside.
  • FIG. 1 shows a schematic detailed perspective view of a scaffolding system known per se from components of the Layher flash scaffolding system using connecting devices for railing rods on the inside of the scaffolding system, the latter in an exploded view,
  • connection device with base plate and projection unit
  • connection of a connection device to a railing rod in the unmounted position (FIG. 3a) and in the assembled position (FIG. 3b),
  • connection area 4 shows a schematic side view of the connection area of a connection device with a vertical rod in the assembled position, a railing rod being shown in the pulled-out position for reasons of clarity
  • 5 shows a schematic top view of the illustration according to FIG. 4.
  • the section of a scaffolding system 50 shown in a detailed perspective in FIG. 1 is, in terms of its basic structure, the known flash scaffolding system of the applicant.
  • a scaffold bay is constructed from two scaffold frames 18 which are spaced apart in the longitudinal direction and each have vertical scaffold bars 19 which are spaced apart in the transverse direction.
  • the scaffolding bars 19 are connected on the upper side to a U-shaped cross bar 28, a gusset plate 30 being welded in between the cross bar 28 and the vertical bar 19 in the corner region.
  • the vertical bars 19 are connected to a cross bar 32.
  • the scaffolding bars 19 have cantilevered insertion areas (not shown in more detail in FIG. 1) with an outer diameter that is smaller than the outside diameter in the bar area, such that the scaffolding frames 18 can be plugged together. In the one facing away from the building
  • Coverings 34 are suspended from above in the crossbars 28 of the scaffold frame 18.
  • the stiffening of the scaffold in the longitudinal direction is carried out by a diagonal bar 36, which according to the Representation in Figure 1 in the front gusset 30 of the right scaffold frame 18 is threaded into a recess.
  • this is connected via a wedge tube coupling (not shown in detail) in the lower area of the front scaffolding bar 19 of the left scaffolding frame 18.
  • the structure is such that first two scaffold frames 18 are either placed on foot spindles or are placed on existing scaffold frames 18. Then the railing rod (s) 14 are mounted. Then the coverings 34 are hung in and finally the diagonal 36 is connected.
  • additional railing rods must be arranged on the inside of the scaffold 50 facing the structure to be scaffolded, for example if the distance to the component to be scaffolded is greater than 30 cm (centimeters) or there is no "wall" of the structure to be scaffolded, for example in the case of the assembly of wall elements for steel structures.
  • the scaffold bar 19 of the scaffold frame 18, which is at the rear in FIG. 1 has two recesses 24, which are designed as elongated holes, at the corresponding required height.
  • a connection device 10 can be detachably connected, which is described below.
  • the connection device 10 has a receiving device 12 which is identical to the known receiving device 12.1 and which can already be produced economically as a large-scale part.
  • a movable wedge 38 which is used to clamp the connection areas of the railing bars 14.
  • the railing bars 14 each have in their end region a downward-pointing, flat projection 40 which can be inserted into the receiving device from above.
  • the geometry of the receiving device 12 is selected such that a projection 40 of a railing rod 14 can be introduced from two sides.
  • the wedge 38 there is an elongated recess 52, within which a transverse one is mounted in the receiving device 12
  • Bolt 54 runs.
  • the wedge 38 is displaceable in the direction of the recess 52 and can be hammered in or released in reverse.
  • the innovation of the connecting device 10 is that a base plate 22 is connected to the receiving device 12, known per se as a large-volume component, on the outside of the receiving device 12 facing the connection area of the scaffold rod 19, to which, in turn, an outwardly projecting projection unit 20 is molded is hammer head-shaped.
  • the base plate 22 and the projection unit 20 are designed as a one-piece casting and form a connection device 16 for simple connection to a railing rod.
  • protrusion elements 26. 1 with a protrusion length V are also formed, which form an anti-rotation device 26 when the connection device 10 is installed.
  • the hammer head of the projection unit 20 has a width BV and a thickness T.
  • the connecting device 10 has an elongated hole 24 with the length LA and the width BA which extends in the longitudinal direction of the rod at the required height.
  • the length LA and the width BA of the elongated hole 24 are dimensioned such that the hammer head of the projection unit 20 can be passed through the recess 24.
  • connection device 10 is assembled in an extremely simple manner and is shown schematically in FIGS. 3a and 3b.
  • the connection device is rotated by 90 ° (old degree) in relation to the position of use. In this position, the projection unit 20 can be inserted into the recess 24 (arrow E).
  • the connection device 10 is rotated by 90 ° (old degree) (arrow D), so that the hammer head of the projection unit 20 engages behind the inner wall of the scaffold rod 19.
  • the projection elements 26.1 assume the function of an anti-rotation device when the connection device 10 is rotated in the end position.
  • the protrusion length V is selected such that a resistance is initially built up when the connection device 10 is rotated (D). As soon as this resistance has been overcome, the connecting device 10 “snaps” into its end position (rotated 90 °), the outer sides of the projection elements 26.1 abutting the outer wall of the scaffold rod 19 which is circular in cross section.
  • the protrusion length V is preferably chosen such that a to overcome the resistance to twisting
  • Lever tool such as a hammer, must be used and twisting by hand is not possible.

Landscapes

  • 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)

Abstract

L'invention concerne un dispositif de raccordement (10) pour échafaudages (50), comportant une unité de réception servant au raccordement libérable d'au moins une barre, notamment d'une barre de garde-corps (14), et une unité de raccordement servant à raccorder le dispositif de raccordement (10) à une barre d'échafaudage (19) ou à un cadre d'échafaudage (18). L'invention est caractérisée en ce que l'unité de raccordement présente une unité saillante qui peut être raccordée de manière libérable par liaison de forme et/ou de force dans un évidement (24) présent sur la barre d'échafaudage (19) ou sur le cadre d'échafaudage (18).
PCT/DE2002/000569 2001-02-22 2002-02-19 Dispositif de raccordement pour echafaudages WO2002066765A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL362524A PL200827B1 (pl) 2001-02-22 2002-02-19 Urządzenie przyłączeniowe dla rusztowań
EP02716596.8A EP1362150B1 (fr) 2001-02-22 2002-02-19 Cadre d'échaffaudage pour un système d'échafaudage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20103139.6 2001-02-22
DE20103139 2001-02-22
DE10112369.8 2001-03-15
DE10112369.8A DE10112369B4 (de) 2001-02-22 2001-03-15 Gerüstrahmen für ein Systemgerüst

Publications (2)

Publication Number Publication Date
WO2002066765A2 true WO2002066765A2 (fr) 2002-08-29
WO2002066765A3 WO2002066765A3 (fr) 2002-10-17

Family

ID=26008775

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/000569 WO2002066765A2 (fr) 2001-02-22 2002-02-19 Dispositif de raccordement pour echafaudages

Country Status (3)

Country Link
EP (1) EP1362150B1 (fr)
PL (1) PL200827B1 (fr)
WO (1) WO2002066765A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1983129A2 (fr) 2007-04-18 2008-10-22 Wilhelm Layher Verwaltungs-GmbH Support pour un ouvrage porteur en trois dimensions et dispositif de liaison pour un dispositif de garde-fou et procédé de fixation d'un dispositif de garde-fou sur un support
EP2949833A1 (fr) * 2014-05-30 2015-12-02 Tobler AG Élément de fixation pour parapet destiné à la fixation amovible sur un élément de structure, élément de structure, ensemble composé d'un parapet et d'un élément de structure et procédé de fixation et de sécurisation d'un élément de fixation
CN108252501A (zh) * 2018-03-13 2018-07-06 佛山市亚科恒远科技有限公司 一种建筑工程用组合型脚手架
DE102022129273A1 (de) 2022-11-07 2024-05-08 Wilhelm Layher Verwaltungs-Gmbh Anordnung von Gerüstbauteilen für ein Gerüst

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE677183A (fr) 1965-03-01 1966-07-18
US4140414A (en) 1977-02-03 1979-02-20 Plettac Gmbh Wedge-clamped scaffold joint
US4430019A (en) 1981-02-04 1984-02-07 Harsco Corporation Connector assembly
FR2604758A1 (fr) 1986-10-06 1988-04-08 Poulain Yves Dispositif de liaison entre deux pieces, notamment entre deux poteaux de tente

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450385A (fr) * 1963-08-06 1966-06-24 Karl Sikler & Sohn Fa échaufaudage constitué par des cadres en tube d'acier
GB1092202A (en) * 1965-04-01 1967-11-22 Scaffolding Great Britain Ltd Scaffold connecting appliance
DE2326705A1 (de) * 1973-05-25 1974-12-19 Alfred Schuster Rohrverbindung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE677183A (fr) 1965-03-01 1966-07-18
US4140414A (en) 1977-02-03 1979-02-20 Plettac Gmbh Wedge-clamped scaffold joint
US4430019A (en) 1981-02-04 1984-02-07 Harsco Corporation Connector assembly
FR2604758A1 (fr) 1986-10-06 1988-04-08 Poulain Yves Dispositif de liaison entre deux pieces, notamment entre deux poteaux de tente

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1983129A2 (fr) 2007-04-18 2008-10-22 Wilhelm Layher Verwaltungs-GmbH Support pour un ouvrage porteur en trois dimensions et dispositif de liaison pour un dispositif de garde-fou et procédé de fixation d'un dispositif de garde-fou sur un support
DE102007018314A1 (de) 2007-04-18 2008-11-06 Wilhelm Layher Verwaltungs-Gmbh Stütze für ein Raumtragwerk sowie Verbindungsanordnung für eine Geländereinrichtung und Verfahren zum Befestigen einer Geländereinrichtung an einer Stütze
DE102007018314A9 (de) 2007-04-18 2011-12-15 Wilhelm Layher Verwaltungs-Gmbh Stütze für ein Raumtragwerk sowie Verbindungsanordnung für eine Geländereinrichtung und Verfahren zum Befestigen einer Geländereinrichtung an einer Stütze
US8931594B2 (en) 2007-04-18 2015-01-13 Wilhelm Layher Verwaltungs-Gmbh Prop for a three-dimensional framework, connecting assembly for a railing device, and method for attaching a railing device to a prop
EP2949833A1 (fr) * 2014-05-30 2015-12-02 Tobler AG Élément de fixation pour parapet destiné à la fixation amovible sur un élément de structure, élément de structure, ensemble composé d'un parapet et d'un élément de structure et procédé de fixation et de sécurisation d'un élément de fixation
CN108252501A (zh) * 2018-03-13 2018-07-06 佛山市亚科恒远科技有限公司 一种建筑工程用组合型脚手架
DE102022129273A1 (de) 2022-11-07 2024-05-08 Wilhelm Layher Verwaltungs-Gmbh Anordnung von Gerüstbauteilen für ein Gerüst
WO2024099495A1 (fr) 2022-11-07 2024-05-16 Wilhelm Layher Verwaltungs-Gmbh Agencement de composants d'échafaudage pour un échafaudage

Also Published As

Publication number Publication date
PL362524A1 (en) 2004-11-02
PL200827B1 (pl) 2009-02-27
WO2002066765A3 (fr) 2002-10-17
EP1362150A2 (fr) 2003-11-19
EP1362150B1 (fr) 2019-04-10

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