EP3012385B1 - Gerüstsicherheitsgeländer - Google Patents

Gerüstsicherheitsgeländer Download PDF

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Publication number
EP3012385B1
EP3012385B1 EP14189469.1A EP14189469A EP3012385B1 EP 3012385 B1 EP3012385 B1 EP 3012385B1 EP 14189469 A EP14189469 A EP 14189469A EP 3012385 B1 EP3012385 B1 EP 3012385B1
Authority
EP
European Patent Office
Prior art keywords
railing
locking
engagement
elongate bar
elongate
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.)
Not-in-force
Application number
EP14189469.1A
Other languages
English (en)
French (fr)
Other versions
EP3012385A1 (de
Inventor
Jimmi Jedig Busk
Rasmus Høtoft Sørensen
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.)
Jerslev Stilladsservice AS
Original Assignee
Jerslev Stilladsservice AS
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 Jerslev Stilladsservice AS filed Critical Jerslev Stilladsservice AS
Priority to EP14189469.1A priority Critical patent/EP3012385B1/de
Priority to DK14189469.1T priority patent/DK3012385T3/en
Publication of EP3012385A1 publication Critical patent/EP3012385A1/de
Application granted granted Critical
Publication of EP3012385B1 publication Critical patent/EP3012385B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • E04G5/147—Railings specially adapted for mounting prior to the mounting of the platform
    • 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
    • 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
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges

Definitions

  • the present invention relates to the area of scaffolding systems, and in particular to the area of scaffolding structures according to the preamble of claim 1.
  • Scaffolding systems in general are well known from a variety of application areas.
  • the area of construction is a major application area, both in respect of erection and maintenance of constructions, where the scaffolding is used as working platforms for construction workers.
  • Other areas of application may be temporary building structures, stages and similar structures.
  • a basic scaffolding system comprises two rows of vertical posts, which can be connected together for building a multi-storey scaffolding system, and substantially horizontally extending elongate bars, connecting the vertical posts juxtaposed to each other in a direction along and a direction orthogonal to a facade. Since the vertical posts and the horizontally extending elements are connected orthogonally to each other forming a substantially rectangular frame structure, diagonal supports can be added at regular intervals for securing the scaffolding system against collapsing. Deck or floor elements covering rectangles formed by the connections made in the substantially horizontal plane at regular intervals complete the scaffolding system.
  • a number of deck or floor elements can have openings with a hatch, which can be hinged, and a ladder extending from one deck through an opening in a subsequent deck makes it possible to ascent and descent between storeys.
  • a scaffolding system comprising vertical posts with annular apertured connecting elements spaced along the lengths of the posts and horizontally extending elongate scaffolding elements, which are locked to the annular apertured connecting elements by means of an engagement element, is known.
  • the engagement element has a connecting element-receiving slot by means of which the engagement element may engage with the apertured connecting element at both the bottom and top faces of the connecting elements.
  • a wedge is used as locking element between the engagement element and the apertured connecting element on the vertical posts.
  • the apertured connecting elements are connected to the vertical posts by means of welding, riveting, screws or other similar methods.
  • Such scaffolding systems are generally assembled by successively erecting individual scaffolding planes, with the individual member of the vertical posts of a first scaffolding plane ending as a rule in each case just above a floor plate belonging to a second scaffolding plane positioned above it.
  • This upper end of the vertical post is then coupled by the installer to the lower end of a further vertical post in an end to end continuation for a further scaffolding storey by means of a spigot connection.
  • This type of scaffolding system provides a high degree of safety when established.
  • JP 2004 324353 A discloses a scaffolding structure according to the preamble of claim 1.
  • An objective of the present invention is to maintain the level of safety during the erection of the scaffolding while increasing the safety level of the erected scaffolding structure for such structures erected under safety provisions.
  • the objective of the invention is achieved through a scaffolding structure according to claim 1.
  • the erecting of the structure may be performed from a lower deck of the structure, while achieving a desired safe construction with locking elements in the connection between the vertical posts and the horizontal railing elements.
  • the engagement element of the railing element is adapted to be movable along the longitudinal axis of the elongate element or bar.
  • the railing element comprises elongate apertures in the side walls adapted to accommodate a shaft element extending through the apertures and holding the engagement element, allowing the engagement element to travel along the elongate aperture.
  • the railing element comprises a fixed shaft element extending from the wall of the railing element and through an elongate aperture in the engagement element allowing the engagement element to travel along the shaft element.
  • the engagement element of the railing element comprises parts protruding to overlap the connecting element of the vertical post above and below this. Hereby both upward and downward movement is prevented.
  • the engagement element of the scaffolding structure of the invention is movable relative to the elongate bar between at least a first and a second position, where the locking element is mounted in the engagement element of the railing element to be movable from a mounting position to a locking position, and where the locking element is adapted to maintain the mounting position, and upon movement of the engagement element relative to the elongate bar the locking element is adapted to be released to move into the locking position.
  • the engagement element of the railing element is adapted to be movable along the longitudinal axis of the elongate bar.
  • the elongate bar comprises elongate apertures in the side walls adapted to accommodate a shaft element extending through the apertures and holding the engagement element, allowing the engagement element to travel along the elongate aperture.
  • the railing element may comprise a fixed shaft element extending from the wall of the railing element and through an elongate aperture in the engagement element allowing the engagement element to travel along the shaft element.
  • the engagement element of the railing element comprises parts protruding to overlap the connecting element of the vertical post above and below this.
  • the locking element comprises an incision or a protrusion adapted to hold the locking element relative to the elongate element.
  • both ends of the elongate bar are provided with similar engagement elements, which will simplify both manufacturing and assembly of the scaffolding structure.
  • the objective is in a further aspect of the invention achieved through methods for erecting and dismantling the scaffolding system according to the invention.
  • a method for erecting a scaffolding structure comprises that the locking element in mounted in a mounting position, where the railing element is positioned to accommodate the connecting element of a vertical post between two protruding parts of the engagement element, and where the elongate bar is moved to cause the relative movement between the elongate bar and the engagement element and hence release the locking element from the mounting position and allowing this to propagate into the locking position.
  • a first method for dismantling a scaffolding structure comprises that the vertical post carrying one end portion of a railing element is dismantled and lowered to a lower position of the scaffolding structure and where the locking element is released from the locking position to allow the engagement element to be released from the connecting element, and where following this the vertical post carrying the opposed end of the railing element is dismantled and lowered to a lower position where the locking element of the opposed end of the railing element is released from its locking position allowing the railing element to be removed with both ends free.
  • a second method for dismantling a scaffolding structure comprises that the locking element is released from its locking position and where the engagement element is released from the connecting element, where the locking element is inserted into the locking position in relation to the engagement element and where the engagement element with the locking element protruding downwards is placed on top of the connecting element with the locking element protruding through the aperture in the connecting element, where following this the vertical post carrying the opposed end of the railing element is dismantled and lowered to a lower position where the locking element of the opposed end of the railing element is released from its locking position allowing the railing element to be removed with both ends free.
  • a third method for dismantling a scaffolding structure according to the invention comprises that the elongate bar is brought to engage with the locking element and by movement in an upward direction releases the locking element from the locking position with the engagement element and the connecting element to a position where the engagement element may be retracted from the connection element.
  • the scaffolding structure may be dismantled in a safe manner from a lower position, where security railing is still in place and further without the use of any additional tools.
  • the railing element comprises an elongate bar 8 and at the ends an engagement element 3.
  • the engagement element 3 comprises two protruding parts 4,4' with a space between them adapted to accommodate a connecting element 11 of a vertical post 1.
  • a locking element 5, here shaped as a wedge, is mounted in the engagement element 3 to be movable into a locking position where the locking element penetrates the openings in the two protruding parts 4,4' of the engagement element 3 and the connecting element 11.
  • the elongate bar 8 and the engagement element 3 are mutually connected with a bolt or a shaft 10 that is mounted movable through elongate openings 9 in the sidewalls of the elongate bar 8 and connected to the engagement element 3 at two opposed sides of the elongate bar 8.
  • the locking element 5 is provided with a holding part, which may be a protruding element 7' or an incision 7, adapted to be connected releasably to an end portion of the elongate bar 8.
  • the engagement element 3 is movable along the elongate openings 9 of the elongate bar 8 from a first position where the locking element 5, when connected to the end portion of the elongate bar 8, is held in a position where the space between the two protruding parts 4,4' of the engagement element 3 is free to accommodate the connecting element 11 of the vertical post 1.
  • the engagement element 3 Upon movement of the elongate bar 8 the engagement element 3 will travel along the elongate openings 9 in the elongate bar 8 and hence release the locking element 5 from the end portion of the elongate bar 8.
  • the locking element 5 will following this enter the openings in the engagement element 3 and the connecting element 11.
  • FIG. 2A an end portion of a railing element 2 appears in a side view. The parts described in connection with FIG. 1 are visible here as well.
  • the locking element 5 in this illustration is in an inserted position.
  • FIG. 2B the element of FIG. 2A appears seen in a sectional view along the line A-A'. It appears that the locking element 5 may be locked through a friction force established between the locking element 5 and the engagement element 3.
  • the locking element comprises a securing element 6, ensuring that the locking element 5 cannot be removed from the engagement element 3.
  • FIG. 3A an end portion of a railing element 2 appears in a top view. The parts described in connection with FIG. 1 are visible here as well.
  • the locking element 5 in this illustration is in an inserted position. From FIG. 3B the same element appears seen in a sectional view along the line B-B'. It appears that the locking element 5 may be locked through a friction force established between the locking element and the engagement element.
  • FIG. 4A an end portion of a railing element 2 appears in a side view.
  • the parts described in connection with FIG. 1 are visible here as well.
  • the locking element 5 in this illustration is of a different type having a protruding part 7'.
  • FIG. 4B the same element appears seen in a sectional view along the line B-B'. It appears that the locking element 5 may be locked through a friction force established between the locking element and the engagement element.
  • the one end of the locking element comprises a securing element 6, ensuring that the locking element cannot be removed from the engagement element 3.
  • FIG. 5A an end portion of a railing element 2 appears in a top view. The parts described in connection with FIG. 1 are visible here as well.
  • the locking element 5 in this illustration is in an inserted position.
  • FIG. 5B the same element appears seen in a sectional view along the line C-C'. It appears that the locking element may be locked through a friction force established between the locking element and the engagement element.
  • the locking element comprises a securing element 6, ensuring that the locking element cannot be removed from the engagement element.
  • the elements of a scaffolding structure may be:
  • FIGS. 6A-D A perspective representation of the connection process between a vertical post 1 and a horizontal railing 2 of a scaffolding system according to the invention is shown in FIGS. 6A-D .
  • the elongated elements are of a tubular geometry
  • the connecting elements 11 on said elongated vertical elements 1 are apertured annular connecting elements secured by means of welding at intervals defining the grid pattern of the rectangular lattice box structure.
  • the apertures 12 of said connecting elements 11 are distributed at regular intervals circumferential to the elongate elements, so that the bars can be suspended between vertical posts in fixed angles in a horizontal plane.
  • the railing element 2 comprises at at least one end, preferably at both ends, an engagement element 3.
  • Said coupling head or engagement element at each end of said first set of the bars has openings extending through the engagement element at two protruding end portions 4,4' of this.
  • the two end portions 4,4' of the engagement element defines between them a slot or opening for receiving the connecting element 11 of the vertical post 1.
  • a releasable wedge 5 extends through these openings and through one of the openings 12 in the annular connecting element 11 for consolidation of the coupling.
  • the couplings hereby accomplished secure and lock the dismountable first set of bars in the scaffolding system. More specifically FIG.
  • FIG. 6A shows how the locking element 5 is held in a mounting position relative to the elongate bar 8 by inserting the end of the elongate bar into the incision 7 in the locking element 5.
  • the engagement element 3 will by influence of gravity rest at the lower end of the elongate apertures 9 in the elongate bar 8, whereby the locking element 5 will be retracted toward the upper end of the engagement element and rest here. This will leave the slot between the two protruding parts 4,4' of the engagement element 3 open for receiving the connecting element 11.
  • FIG. 6B the elongate bar 8 is pivoted upwards to release the locking element 5 downwards through the opening in the engagement element and the connecting element, respectively.
  • FIG. 6C and FIG. 6D the elongate bar 8 may finally be retracted further to be pivoted upwards to the horizontal mounting position for the railing element 2.
  • FIGS. 7A-C show a preferred method of a step in the process of erecting the scaffolding system.
  • An additional member of the vertical elongate elements is attached to the free end of an already mounted vertical element.
  • a horizontal railing element 2 is mounted using the sequential steps as explained in connection with FIGS. 6A-D .
  • the free end of the railing element is connected to a vertical element 1 which is not yet mounted.
  • the not yet mounted vertical element 1 is subsequently raised and mounted on top of an already mounted vertical element 1. In this manner the security railing of the next storey of the scaffolding structure is established before the personnel is actually using the storey for erecting the next following level.
  • FIG. 8A shows a step of a first method for dismantling the scaffolding structure according to the invention.
  • the locking element 5 is removed from the locking position hereby allowing the engagement element 3 of the railing element to be retracted from the connecting element 11 of the vertical element.
  • the locking element 5 is following this reinserted through the openings of the engagement element 3 and after this inserted into the opening 12 of the connecting element 11 and leaving the engagement element 3 to rest on top of the connecting element 11 .
  • FIG. 8b shows how a vertical element 1 is dismantled from a lower deck with the railing elements 2 still mounted on the vertical element 1. From FIG. 8C it appears that the railing element 2 resting on top of the connecting element 11, as described in connection with FIG. 8A , is removed from a safe lower position of the scaffolding structure.
  • FIGS. 9A-C show a further dismantling process for the scaffolding structure, where the vertical elements 1 from a lower position of the scaffolding structure are dismantled from their position with the railing elements 2 still fully attached to these and where these railing elements 2 are detached at the lower safe position of the scaffolding structure.
  • FIG. 10 shows in a perspective view a further embodiment of the invention.
  • the mounting of a railing element takes place from a lower safe position.
  • the only difference between this embodiment and the embodiment shown in FIGS. 7A-C is the configuration of the holding element 7' for the locking element 5, which in this case is a protruding hook shaped element 7'.
  • FIGS. 11A-B show the dismantling of the scaffolding structures shown in FIGS. 10 . It appears that the elongate bar 8 is used to engage with the protruding part 7' of the locking element 5 and pushing this upwards to release this from the locking position and hence allow the engagement element 3 to be removed from the connecting element 11 of the vertical post 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (3)

  1. Gerüstaufbau umfassend eine Anzahl vertikaler Trägerpfosten (1) und zwischen Sätzen von zwei Vertikalpfosten (1) ein horizontales Geländerelement (2), das an den beiden Vertikalpfosten (1) an den Enden befestigt ist, wobei zur Befestigung des Geländerelements (2) die Vertikalpfosten (1) mit einem Verbindungselement (11) versehen sind, umfassend mindestens eine Öffnung, die sich im Wesentlichen vertikal erstreckt, und wobei zur Befestigung das Geländerelement (2) einen langgestreckten Stab (8) und an einem Ende des langgestreckten Stabs (8) ein Eingriffselement (3) zur Aufnahme des Verbindungselements (11) umfasst und mit Öffnungen, die dazu eingerichtet sind, so platziert zu werden, dass sie die Öffnung (12) des Verbindungselements (11) an dem Vertikalpfosten (1) überdecken, wobei das Eingriffselement (3) des Geländerelements (2) Teile (4, 4') umfasst, die vorspringen, um das Verbindungselement (11) des Vertikalpfostens (1) über und unter diesem zu überdecken, und wobei ferner ein Verriegelungselement (5) zum Einfügen durch die Öffnungen (12) des Verbindungselements (11) des Vertikalpfostens (1) und des Eingriffselements (3) des Geländerelements (2) vorgesehen ist, um horizontale Bewegung des Geländerelements (2) zu verhindern, wobei das Eingriffselement (3) des Geländerelements (2) relativ zu dem langgestreckten Stab (8) zwischen mindestens einer ersten und einer zweiten Position beweglich ist, wobei das Verriegelungselement (5) in dem Eingriffselement (3) des Geländerelements (2) montiert ist, um von einer Montageposition zu einer Verriegelungsposition beweglich zu sein, und wobei das Verriegelungselement (5) dazu eingerichtet ist, die Montageposition zu bewahren, und bei Bewegung des Eingriffselements (3) relativ zu dem langgestreckten Stab (8) das Verriegelungselement (5) dazu eingerichtet ist, freigegeben zu werden, um sich in die Verriegelungsposition zu bewegen, dadurch gekennzeichnet, dass das Eingriffselement (3) des Geländerelements (2) dazu eingerichtet ist, entlang der Längsache des langgestreckten Stabs (8) beweglich zu sein, dass der langgestreckte Stab (8) längliche Öffnungen (9) in den Seitenwänden umfasst, die dazu eingerichtet sind, ein Wellenelement (10) aufzunehmen, das sich durch die Öffnungen (9) erstreckt und das Eingriffselement (3) hält, es dem Eingriffselement (3) erlaubt, sich entlang der länglichen Öffnungen (9) fortzubewegen, dass das Eingriffselement (5) mit einem Halteteil versehen ist, das ein vorspringendes Element (7') oder ein Einschnitt (7) sein kann, der dazu eingerichtet ist, mit einem Endteil des langgestreckten Stabs (8) lösbar verbunden zu werden, dass das Eingriffselement (3) entlang der länglichen Öffnungen (9) des langgestreckten Stabs (8) von einer ersten Position, in welcher das Verriegelungselement (5), wenn es mit dem Endteil des langgestreckten Stabs (8) verbunden ist, in einer Position gehalten wird, in welcher der Raum zwischen den beiden vorspringenden Teilen (4, 4') des Eingriffselements (3) dazu frei ist, das Verbindungselement (11) des Vertikalpfostens (1) aufzunehmen, dass das Eingriffselement (3) dazu eingerichtet ist, sich bei Bewegung des langgestreckten Stabs (8) entlang der länglichen Öffnungen (9) in dem langgestreckten Stab (8) fortzubewegen und damit das Verriegelungselement (5) von dem Endteil des langgestreckten Stabs (8) freizugeben, um es dem Verriegelungselement (5) zu erlauben, in die Öffnungen in dem Eingriffselement (3) und dem Verbindungselement (11) einzutreten.
  2. Verfahren zum Errichten eines Gerüstaufbaus nach Anspruch 1, wobei das Verriegelungselement (5) in einer Montageposition montiert ist, wobei das Geländerelement (2) so angeordnet ist, dass es das Verbindungselement (11) eines Vertikalpfostens (1) zwischen zwei vorspringenden Teilen (4,4') des Eingriffselements (3) aufnimmt, und wobei der langgestreckte Stab (8) bewegt wird, um die relative Bewegung zwischen dem langgestreckten Stab (8) und dem Eingriffselement (3) zu bewirken und damit das Verriegelungselement (5) von der Montageposition löst und diesem (5) erlaubt, sich in die Verriegelungsposition zu verbreiten.
  3. Verfahren zum Demontieren eines Geländerelements von einem Gerüstaufbau nach Anspruch 1, wobei der langgestreckte Stab (8) dazu gebracht wird, mit dem Verriegelungselement (5) in Eingriff zu gehen und durch Bewegung in einer Aufwärtsrichtung das Verriegelungselement (5) von der Verriegelungsposition mit dem Eingriffselement (3) und dem Verbindungselement (11) zu einer Position löst, in welcher das Eingriffselement (3) von dem Verbindungselement (11) zurückgezogen werden kann.
EP14189469.1A 2014-10-20 2014-10-20 Gerüstsicherheitsgeländer Not-in-force EP3012385B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14189469.1A EP3012385B1 (de) 2014-10-20 2014-10-20 Gerüstsicherheitsgeländer
DK14189469.1T DK3012385T3 (en) 2014-10-20 2014-10-20 Scaffolding Safety Railing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14189469.1A EP3012385B1 (de) 2014-10-20 2014-10-20 Gerüstsicherheitsgeländer

Publications (2)

Publication Number Publication Date
EP3012385A1 EP3012385A1 (de) 2016-04-27
EP3012385B1 true EP3012385B1 (de) 2018-08-15

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DK (1) DK3012385T3 (de)

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CN111350344A (zh) * 2018-12-21 2020-06-30 Peri有限公司 用作立式对角件的模块化脚手架组件的管型材的连接头及立式对角件

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EP3489435B1 (de) * 2017-11-27 2020-12-02 Tobler AG Befestigungselement, gerüst, verfahren zur herstellung eines gerüstes
DE102018114244A1 (de) * 2018-06-14 2019-12-19 Wilhelm Layher Verwaltungs-Gmbh Einzelner Gerüststiel
EP3839172B1 (de) * 2019-12-20 2023-05-17 Tobler AG Geländerholm zur montage eines vorlaufenden geländers, vorlaufendes geländer zur temporären fallsicherung einer neu zu erstellenden gerüstetage, gerüst für bau-, reparatur- und/oder montagearbeiten und verfahren zum aufbau eines gerüsts
DE102020118874A1 (de) 2020-07-16 2022-01-20 Altrad Plettac Assco Gmbh Voreilende Geländerstange
DE102022113064A1 (de) 2022-05-24 2023-11-30 Wilhelm Layher Verwaltungs-Gmbh Geländerelement, baugerüst mit einem derartigen geländerelement und verfahren zur demontage eines derartigen geländerelements

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Publication number Priority date Publication date Assignee Title
CN111350344A (zh) * 2018-12-21 2020-06-30 Peri有限公司 用作立式对角件的模块化脚手架组件的管型材的连接头及立式对角件
CN111350344B (zh) * 2018-12-21 2022-11-11 Peri有限公司 用于立式对角件的管型材的连接头及立式对角件

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