EP2177691B1 - Structure d'échafaudage intégrant un escalier - Google Patents

Structure d'échafaudage intégrant un escalier Download PDF

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Publication number
EP2177691B1
EP2177691B1 EP09173284A EP09173284A EP2177691B1 EP 2177691 B1 EP2177691 B1 EP 2177691B1 EP 09173284 A EP09173284 A EP 09173284A EP 09173284 A EP09173284 A EP 09173284A EP 2177691 B1 EP2177691 B1 EP 2177691B1
Authority
EP
European Patent Office
Prior art keywords
scaffolding structure
structure according
floor
stringer
elements
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
EP09173284A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2177691A1 (fr
Inventor
Fabrice Le Belleguic
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.)
Retotub
Original Assignee
Retotub
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 Retotub filed Critical Retotub
Priority to PL09173284T priority Critical patent/PL2177691T3/pl
Publication of EP2177691A1 publication Critical patent/EP2177691A1/fr
Application granted granted Critical
Publication of EP2177691B1 publication Critical patent/EP2177691B1/fr
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
    • E04G5/10—Steps or ladders specially adapted for scaffolds
    • 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
    • E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps

Definitions

  • the invention relates to a scaffolding structure consisting of the assembly of vertical uprights, crosspieces and horizontal rails as well as floor elements placed between the smooth of the same level.
  • the invention relates more particularly to the integration of a staircase to such a structure.
  • the document EP 1 127 997 describes a complex stair structure whose steps include lateral lugs engaging in U-shaped receptacles integral with the strings. These are difficult to integrate into the structure of the scaffold and the nature of the stair locking system implies that these are specific elements.
  • the invention proposes an improvement according to which it is not necessary to provide and store specific elements to constitute the steps.
  • the invention more particularly relates to a scaffolding structure comprising vertical uprights, crosspieces, rails, floor elements and at least one staircase comprising two stringers spaced substantially from the length of a cross member and installed in two respective vertical planes.
  • parallel rails each rail comprising walking supports, characterized in that said floor elements are provided with hooks projecting from two of their parallel sides and in that the steps are constituted by the aforementioned floor elements or the like of which the hooks rest on said walking supports.
  • the silts are of simple design; they form inclined beams.
  • the walking supports consist of horizontal sections offset and spaced vertically.
  • the hooks of a step rest on sections of the same level belonging to two spaced smooth.
  • the structure of the silt is optimized to facilitate assembly and increase safety.
  • each silt is advantageously equipped with a high hooking element and a low hooking element, able to attach to respective connecting elements of two aforementioned vertical uprights.
  • each fastening element of the stringer forms a clamp defining a horizontal slot engaging on the escutcheon.
  • the assembly is secured by a locking pin mounted perpendicular to the clamp and through the slot and a hole of the rosette.
  • the first step of the staircase is independent of the stringers and is constituted by a floor element mounted between two parallel smooth located in the vicinity and below the lower ends of the two parallel strings of the staircase.
  • This floor element which constitutes the first step is immobilized by the lower ends of the stringers.
  • each silt comprises a pole at the bottom, carrying the bottom hooking element.
  • the latter is carried at a connecting element of the adjacent post located above the connecting element which is connected to the corresponding rail which supports said first step.
  • a ramp may be attached to the upper end of this post.
  • each section forming a walking support carries locking means of the floor element that it supports.
  • these locking means comprise a ramp key, attached to a rod surmounted by a head of support.
  • the rod is attached to the step forming a step support. She is engaged in a light from the ramp key.
  • the key can thus be moved along the step forming a walking support, until covering a hook of the floor element resting on this section.
  • the scaffolding structure 11 shown is traditionally composed of uprights 13, sleepers 15, smooth 17 and generally rectangular floor elements 19.
  • the uprights 13 are provided with connecting elements 21 spaced vertically.
  • each connecting element has the shape of a flange or rosette, coaxial with the upright and pierced with holes.
  • the sleepers and rails can hang on these rosettes. They are attached by conventional means such as pins.
  • crosswise designates horizontal elements of small length and smooth horizontal elements of great length. These elements are of the same nature and are distinguished only by their lengths.
  • the floor elements have a predetermined length, corresponding to that of the sleepers.
  • Each floor element 19 is provided with four hooks 25 protruding from two of its parallel sides, to rest on parallel rails 17 of the same level.
  • a scaffolding comprises at least two groups of vertical uprights distributed in two vertical planes parallel separated by a distance corresponding to that of a cross while the vertical uprights of the same group are spaced a distance corresponding to that of a smooth. Similar stiffening elements may be installed diagonally, for example between two floor levels.
  • the figure 1 represents such a scaffolding structure forming more particularly a stair tower. It comprises for this purpose three groups of vertical uprights supporting the elements of the staircase.
  • the invention applies to any scaffolding structure of this type, whatever its shape since it comprises at least one staircase 27 capable of connecting two floors and at different levels.
  • such a staircase 27 comprises two stringers 29 spaced apart by a distance corresponding to the length of a cross member 15 and installed substantially in two respective vertical planes of parallel rails.
  • each stringer comprises horizontal walking supports 31, offset and spaced.
  • the steps are constituted by floor elements 19 above or the like whose hooks 25 rest on said supports. The steps may, however, have structural differences in detail from other floor elements used.
  • a silt 29 It is formed of two rectilinear tubular elements 33 parallel between which are fixed (welded) sections forming the walking supports 31, offset and spaced.
  • the two elements 33 and the walking support sections are assembled together, as shown, so that when the slime 29 is in place, the two parallel elements 33 are inclined and the staggered sections 33 are in horizontal planes.
  • a silt is installed between two vertical uprights 13 of the same group.
  • each lime 29 is equipped with a high hooking element 35 and a bottom hooking element 37.
  • a hooking element is designed to be able to attach to respective connecting elements 21, here the rosettes, two vertical uprights 13 of the same group. More specifically, each hooking element forms a clamp defining a kind of horizontal slot 39, which is engaged on the rosette. The two arms of the clamp are pierced and a locking pin 41 is installed perpendicularly to the clamp through said slot and a hole of the rosette.
  • each step support section carries locking means of the floor element that it supports.
  • these locking means comprise a ramp key 43 attached to a rod 45 surmounted by a bearing head 47.
  • the rod is fixed to the step support portion 31 and extends vertically, the key 43 is held captive between the section and the head 47 of the rod. More particularly, the rod 45 is engaged in a slot 49 of the key so that it can be clamped or loosened, by means of a hammer, along said support portion 31. In a tight position, the key is hangs above a hook 25 of the floor element which rests on the corresponding step support section. In this way, the step constituted by a single floor element available, is perfectly immobilized on the support section by wedging the ramp key between the latter and the head of the rod.
  • the first step 19a of the staircase is independent of the stringers 29 and consists of a floor element mounted between two parallel rails 17 located in the vicinity and below the lower ends of the two parallel stringers 29.
  • This floor element constituting the first step is thus immobilized by the lower ends of the stringers.
  • this floor element is mounted in the vicinity of the uprights 13 to which are connected the ends of the two rails and in addition, each stringer comprises a lower stop 51 cooperating with said floor element forming the first step to immobilize it in translation relative to said rails.
  • the stringer comprises a pole 53 in the lower part carrying said lower fastening element 37 to a level corresponding to the location of a connecting element 21 (escutcheon) of the amount 13 adjacent and located above the analog connecting element to which is connected the rail that supports the first step.
  • a connecting element 21 escutcheon
  • An oblique bar 55 may be attached to the upper end of said front pillar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP09173284A 2008-10-17 2009-10-16 Structure d'échafaudage intégrant un escalier Not-in-force EP2177691B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09173284T PL2177691T3 (pl) 2008-10-17 2009-10-16 Struktura rusztowania obejmującego schody

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0857079A FR2937354B1 (fr) 2008-10-17 2008-10-17 Structure d'echafaudage integrant un escalier

Publications (2)

Publication Number Publication Date
EP2177691A1 EP2177691A1 (fr) 2010-04-21
EP2177691B1 true EP2177691B1 (fr) 2012-09-19

Family

ID=40548732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09173284A Not-in-force EP2177691B1 (fr) 2008-10-17 2009-10-16 Structure d'échafaudage intégrant un escalier

Country Status (5)

Country Link
EP (1) EP2177691B1 (es)
ES (1) ES2395446T3 (es)
FR (1) FR2937354B1 (es)
PL (1) PL2177691T3 (es)
PT (1) PT2177691E (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019217118A1 (de) * 2019-11-06 2021-05-06 Hünnebeck GmbH Verfahren und Vorrichtung zur Montage und Demontage eines Treppenturms

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022108391A1 (de) 2022-04-07 2023-10-12 Peri Se Ausgleichselement zur Erweiterung einer modular aufgebauten Treppe, modular aufgebaute Treppe sowie Verfahren zur Erweiterung einer modular aufgebauten Treppe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1242862A (en) * 1968-05-10 1971-08-18 Kwikform Ltd Improvements in or relating to stairway assemblies for use with temporary scaffolding structures
DE8707755U1 (es) * 1987-05-30 1988-09-29 Langer, Geb. Layher, Ruth, 7129 Gueglingen, De
GB2223262B (en) * 1988-07-16 1992-08-05 Harris B J Staging
DE19738809A1 (de) * 1997-09-05 1999-03-11 Baumann Verwertungs Gmbh Treppenvorrichtung
DE10007917A1 (de) * 2000-02-21 2001-08-23 Plettac Ag Treppe für einen Treppenturm
FR2914671B1 (fr) * 2007-04-06 2012-04-13 Espace Btp Tour d'acces a montage en securite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019217118A1 (de) * 2019-11-06 2021-05-06 Hünnebeck GmbH Verfahren und Vorrichtung zur Montage und Demontage eines Treppenturms

Also Published As

Publication number Publication date
FR2937354B1 (fr) 2010-12-10
EP2177691A1 (fr) 2010-04-21
PL2177691T3 (pl) 2013-03-29
PT2177691E (pt) 2012-12-19
FR2937354A1 (fr) 2010-04-23
ES2395446T3 (es) 2013-02-12

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