FR2909698A1 - Frontal anti-fall protection device for maintaining operator in platform, has vertical sliding posts with upper and lower parts above platform, upper sill fixed in top of upper parts, and lower sill sliding vertically on upper parts - Google Patents

Frontal anti-fall protection device for maintaining operator in platform, has vertical sliding posts with upper and lower parts above platform, upper sill fixed in top of upper parts, and lower sill sliding vertically on upper parts Download PDF

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Publication number
FR2909698A1
FR2909698A1 FR0610717A FR0610717A FR2909698A1 FR 2909698 A1 FR2909698 A1 FR 2909698A1 FR 0610717 A FR0610717 A FR 0610717A FR 0610717 A FR0610717 A FR 0610717A FR 2909698 A1 FR2909698 A1 FR 2909698A1
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France
Prior art keywords
platform
parts
formwork
rail
uprights
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Granted
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FR0610717A
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French (fr)
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FR2909698B1 (en
Inventor
Jacques Squelbut
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Bouygues Construction Materiel SNC
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Bouygues Construction Materiel SNC
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Priority to FR0610717A priority Critical patent/FR2909698B1/en
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Publication of FR2909698B1 publication Critical patent/FR2909698B1/en
Expired - Fee Related 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

The device has vertical sliding posts in guides fixed to uncovered side of a form panel (1) below a platform (7) between retracted position and top service position. The posts have upper parts (2a, 2'a) and lower parts (2b, 2'b) above the platform, where the parts are articulated one on another at rotation. An upper sill (5) is fixed in top of upper parts and a movable lower sill (6) slides vertically on upper parts.

Description

1 L'invention concerne un dispositif de protection frontale anti-chuteThe invention relates to a frontal fall protection device

pour un opérateur appelé à se tenir sur une plate-forme située en partie haute d'une banche, par exemple pour surveiller la mise en place d'armatures, sans risque de chuter du côté de la face coffrante de la banche. Un but de l'invention est un dispositif qui soit escamotable à la demande en restant solidaire de la banche, notamment pour le transport et le stockage de la banche. On y parvient selon l'invention avec un dispositif qui comprend deux montants verticaux tenus dans des guides fixés à la face non coffrante de la banche sous la plate-forme de façon à ce que les montants puissent coulisser verticalement dans les guides à partir d'une position basse de transport ou de stockage de la banche dans laquelle les montants sont escamotés sous la plate-forme en arrière de la face non coffrante, jusque dans une position haute de service où les montants présentent au dessus de la plate-forme une partie de montant moyenne et une partie de montant supérieure, avec des lisses horizontales portées par les montants pour constituer un garde-corps devant l'opérateur entre la plate-forme et la banche, et des moyens étant prévus pour maintenir le garde-corps en position de service, la partie de montant supérieure et la partie de montant moyenne ayant sensiblement même hauteur et étant articulées à pivotement l'une sur l'autre autour d'un axe parallèle aux lisses pour que les parties supérieures puissent se rabattre du côté de la plate-forme sur les parties moyennes en portant les lisses.  for an operator called to stand on a platform located in the upper part of a banche, for example to monitor the establishment of frames, without risk of falling on the side of formwork formwork. An object of the invention is a device that is retractable on demand by remaining integral with the form, especially for the transport and storage of the form. It is achieved according to the invention with a device which comprises two vertical uprights held in guides fixed to the non-formwork side of the board under the platform so that the uprights can slide vertically in the guides from a low transport position or stowage storage in which the amounts are retracted under the platform behind the non-formwork face, to a high service position where the amounts have above the platform a part of average amount and a portion of upper amount, with horizontal rails carried by the amounts to form a railing in front of the operator between the platform and the box, and means being provided to maintain the guardrail in position of service, the upper amount portion and the average amount portion having substantially the same height and being hinged to pivot about each other about a parallel axis with the rails so that the upper parts can be folded on the side of the platform on the middle parts while carrying the smooth ones.

2909698 2 Les lisses comportent une lisse supérieure fixée aux extrémités supérieures des parties de montant supérieures, et une lisse inférieure mobile montée à coulisse verticale sur les parties de montant 5 supérieures à partir d'une position basse ou la lisse mobile empêche le pivotement des parties de montant supérieures, la lisse mobile pouvant être sollicitée manuellement vers le haut pour permettre ledit pivotement ou pour permettre l'escamotage des montants.The heddles comprise an upper heald fixed to the upper ends of the upper upright portions, and a lower hoop mounted vertically slidably on the uppermost leg portions from a lower position or the hinged hob prevents pivoting of the hob portions. upper amount, the movable boom can be manually biased upwards to allow said pivoting or to allow the retraction of the amounts.

10 On décrira ci-après un exemple de réalisation d'un dispositif conforme à l'invention en référence aux figures du dessin joint sur lequel : • les figures 1 à 3 sont des vues schématiques d'un montant du dispositif, respectivement en position 15 d'escamotage pour le transport, en position de service et à l'état rabattu ; • la figure 4 est une vue en perspective du dispositif en position de service prise du côté de la face coffrante de la banche, et 20 • la figure 5 est une vue du dispositif à l'état rabattu depuis la plate-forme. Le dispositif comporte deux montants parallèles identiques (2a, 2'a) qui peuvent coulisser verticalement dans des guides (3) fixés à la face non coffrante (la) 25 d'une banche (1), et deux lisses horizontales (5, 6). Sur les figures 1 à 3, on a représenté l'un des montants qui présente une partie de montant supérieure (2a), une partie de montant moyenne (2b) et une partie de montant inférieure (2c). L'autre montant est 30 identique. La partie de montant inférieure (2c) restera sous la plate-forme (7) tandis que les deux autres parties 2909698 3 seront en dessous ou au dessus de la partie selon que le dispositif sera escamoté (figure 1) ou en service (figures 2 et 3)). Une traction vers le haut sur la lisse fixe permet de faire passer le garde-corps d'une 5 position d'escamotage (figure 1) à sa position de service (figure 2). Pour maintenir le dispositif en service, des broches (4) ou tout moyen équivalent bloquent les montants dans les guides. La partie de montant supérieure (2a) coopère avec 10 la partie correspondante (2'a) de l'autre montant pour porter une lisse horizontale fixe (5) située sensiblement aux sommets des montants et pour porter une lisse mobile (6) qui est fixée à des fourreaux (10) qui peuvent coulisser le long des parties de montant 15 supérieures. La partie de montant supérieure (2a) peut pivoter sur l'extrémité de la partie moyenne (2b) autour d'un axe (8) parallèle aux lisses. Lorsque les parties de montant supérieures et 20 moyennes sont au dessus de la plate-forme (7), • soit ces deux parties sont maintenues dans le prolongement l'une de l'autre parce que les fourreaux de la lisse mobile sont en position basse sur les parties supérieures (figure 2) et empêchent 25 le pivotement des parties supérieures, • soit par une traction vers le haut exercée sur la lisse mobile, la lisse et ses fourreaux ont été soulevés et permettent ce pivotement au terme duquel la lisse mobile est descendue et s'est 30 rapprochée de la lisse fixe (figure 3). Dans le premier cas, le garde-corps est en position de service, avant l'installation du coffrage.An exemplary embodiment of a device according to the invention will be described below with reference to the figures of the accompanying drawings in which: FIGS. 1 to 3 are diagrammatic views of an amount of the device, respectively in position 15; retractable for transport, in the service position and in the folded state; FIG. 4 is a perspective view of the device in the service position taken on the side of the formwork face of the formwork, and FIG. 5 is a view of the device in the folded state from the platform. The device comprises two identical parallel uprights (2a, 2'a) which can slide vertically in guides (3) fixed to the non-formworked face (la) of a formwork (1), and two horizontal rails (5, 6 ). In Figures 1 to 3, there is shown one of the amounts having a portion of upper amount (2a), a portion of average amount (2b) and a portion of lower amount (2c). The other amount is 30 identical. The lower leg portion (2c) will remain under the platform (7) while the other two portions 2909698 3 will be below or above the portion depending on whether the device will be retracted (Figure 1) or in service (Figures 2). and 3)). Pulling upwards on the stationary rail makes it possible to move the railing from a retracted position (FIG. 1) to its operating position (FIG. 2). To keep the device in use, pins (4) or equivalent equivalent block the amounts in the guides. The upper upright portion (2a) cooperates with the corresponding portion (2'a) of the other upright to carry a stationary horizontal bar (5) substantially at the tops of the uprights and to carry a movable bar (6) which is attached to sleeves (10) which are slidable along the upper leg portions. The upper amount portion (2a) can pivot on the end of the middle portion (2b) about an axis (8) parallel to the rails. When the upper and middle upright portions are above the platform (7), either these two parts are held in the extension of one another because the sleeves of the movable boom are in the lower position. on the upper parts (FIG. 2) and prevent the upper parts from pivoting, or by an upward traction exerted on the movable rail, the rail and its sleeves have been raised and allow this pivoting, at the end of which the mobile rail is descended and approached the stationary rail (Figure 3). In the first case, the railing is in the service position, before the installation of the formwork.

4 2909698 Dans le deuxième cas, il a pour fonction, après coffrage, de permettre le passage de la benne à béton pour le remplissage de la banche tout en empêchant de débloquer les écrous des tubes de serrage des banches. A 5 cette fin, la lisse supérieure est dotée d'excroissances (11) qui empêchent ce déblocage. De fait, la lisse mobile a deux positions stables vers lesquelles elle est conduite par l'effet de la gravité : 10 • l'une dans laquelle elle se trouve en bas des parties supérieures des montants, maintenant ces montants dressés dans le prolongement des parties inférieures des montants, • l'autre dans laquelle elle se trouve en haut des 15 parties supérieures des montants, soit parce que ces parties sont escamotées sous la plate-forme (à l'exception des lisses), soit parce que les parties supérieures des montants ont été basculées vers le bas sur les parties inférieures.4 2909698 In the second case, it has the function, after formwork, to allow the passage of the concrete bucket for filling the box while preventing unblocking the nuts of the clamping tubes of the panels. To this end, the top rail is provided with protrusions (11) which prevent this release. In fact, the movable rail has two stable positions towards which it is driven by the effect of gravity: • one in which it is at the bottom of the upper parts of the uprights, keeping these uprights erected in line with the parts • the other in which it is at the top of the upper 15 of the uprights, either because these parts are retracted under the platform (with the exception of the rails), or because the upper parts of the uprights uprights were tilted down on the lower parts.

20 Les montants sont par exemple tubulaires à section carrée ou rectangulaire et les lisses sont par exemple des tubes à section circulaire. La hauteur de chacune des parties supérieure et moyenne d'un montant est d'environ 50cm pour que le 25 garde-corps ait une hauteur d'environ 1 mètre. A titre indicatif, le garde-corps à une hauteur totale d'environ 1 mètre. Selon une autre caractéristique de l'invention, la plate-forme 7 est située à distance de l'extrémité 30 supérieure de la banche pour qu'en position d'escamotage des montants les lisses soient sensiblement dans l'intervalle entre cette extrémité et la plate-forme. L'invention n'est pas limitée aux réalisations qui ont été décrites.The uprights are, for example, tubular with a square or rectangular cross-section and the rails are, for example, tubes with a circular section. The height of each of the upper and middle parts of an upright is about 50cm so that the guardrail has a height of about 1 meter. As an indication, the guardrail at a total height of about 1 meter. According to another characteristic of the invention, the platform 7 is located at a distance from the upper end of the formwork so that in the retracted position of the struts the stringers are substantially in the interval between this end and the platform. The invention is not limited to the embodiments that have been described.

Claims (4)

REVENDICATIONS 1. Dispositif de protection frontale anti-chute pour permettre à un opérateur debout de se tenir sur une plate-forme (7) située en partie haute de la face non coffrante (la) d'une banche (1) sans risque de chuter du côté de la face coffrante (lb) de la banche, ce dispositif comprenant deux montants verticaux (2, 2') tenus dans des guides (3) fixés à la face non coffrante de la banche sous la plate-forme (7) de façon que les montants puissent coulisser verticalement dans les guides à partir d'une position basse de transport ou de stockage de la banche dans laquelle les montants sont sensiblement escamotés sous la plate-forme en arrière de la face non coffrante, jusque dans une position haute de service où les montants présentent au dessus de la plate-forme une partie de montant moyenne (2b ; 2'b) et une partie de montant supérieure (2 ; 2'a), coopérant avec des lisses horizontales (5,6) portées par les montants pour constituer un garde--corps devant l'opérateur entre la plate-forme et la banche, et des moyens étant prévus pour maintenir le garde-corps en position de service, la partie de montant supérieure (2a ; 2'a) et la partie de montant moyenne (2b ; 2'b) ayant sensiblement même hauteur et étant articulées à pivotement l'une sur l'autre autour d'un axe parallèle (8) aux lisses pour que les parties supérieures puissent se rabattre du côté de la plate-forme sar les parties moyennes en portant les lisses, et les lisses comportant une lisse supérieure (5) fixée aux extrémités supérieures des parties de montant supérieures (2a, 2'a), et une lisse inférieure mobile (6) montée à 2909698 6 coulisse verticale sur les parties de montant supérieures (2a, 2'a) à partir d'une position basse ou la lisse mobile empêche le pivotement des parties de montant supérieures, la lisse mobile pouvant être 5 sollicitée manuellement vers le haut pour permettre ledit pivotement ou pour permettre l'escamotage des montants.  1. Front fall protection device to allow a standing operator to stand on a platform (7) located in the upper part of the non-formworked face (la) of a formwork (1) without risk of falling from side of the formwork side (lb) of the formwork, this device comprising two vertical uprights (2, 2 ') held in guides (3) fixed to the non-formwork face of the formwork under the platform (7) so that the uprights can slide vertically in the guides from a low transport position or stowage storage in which the amounts are substantially retracted under the platform behind the non-formwork side, to a high position of service where the amounts have above the platform a portion of average amount (2b; 2'b) and a portion of upper amount (2; 2'a), cooperating with horizontal rails (5,6) carried by the amounts to form a railing in front of the operator between the platform and the box, and means being provided to maintain the railing in the service position, the upper amount portion (2a; 2'a) and the average amount portion (2b; 2'b) having substantially the same height and being hinged to pivot one on the other about an axis parallel (8) to the rails so that the upper parts can fold down on the side of the platform sar the middle parts by carrying the smooth, and the smooth having an upper rail (5) attached to the upper ends of the upper pillar portions (2a, 2'a), and a movable lower rail (6) mounted vertically on the upper post portions (2a, 2'a) from a lower position or the movable rail prevents pivoting of the upper post portions, the movable rail being manually operable upward to allow said pivoting or to allow the retraction of the amounts. 2. Dispositif selon la revendication 1 dans lequel la plate-forme (7) est située à distance de l'extrémité 10 supérieure de la banche pour qu'en position d'escamotage des montants les lisses soient sensiblement dans l'intervalle entre cette extrémité et la plate-forme.  2. Device according to claim 1 wherein the platform (7) is located at a distance from the upper end of the box so that in the retracted position of the uprights the rails are substantially in the gap between this end. and the platform. 3. Dispositif selon l'une des revendications 1 et 2 et qui comprend des broches (4) pour maintenir les montants 15 en position de service.  3. Device according to one of claims 1 and 2 and which comprises pins (4) for holding the uprights 15 in the operating position. 4. Dispositif selon l'une des revendications 1 à 3 et dans lequel la lisse supérieure (5) est agencée pour qu'en position rabattue des parties de montant supérieures, la lisse bloque les écrous des tiges de 20 serrage des banches. 25 30  4. Device according to one of claims 1 to 3 and wherein the upper rail (5) is arranged so that in the folded position of the upper pillar portions, the rail blocks the nuts of the clamping rods of the boards. 25 30
FR0610717A 2006-12-08 2006-12-08 FRONT-FALL PROTECTION DEVICE FOR AN OPERATOR CALLED TO HOLD ON A PLATFORM LOCATED IN PART HIGH OF A BANK. Expired - Fee Related FR2909698B1 (en)

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Application Number Priority Date Filing Date Title
FR0610717A FR2909698B1 (en) 2006-12-08 2006-12-08 FRONT-FALL PROTECTION DEVICE FOR AN OPERATOR CALLED TO HOLD ON A PLATFORM LOCATED IN PART HIGH OF A BANK.

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FR0610717A FR2909698B1 (en) 2006-12-08 2006-12-08 FRONT-FALL PROTECTION DEVICE FOR AN OPERATOR CALLED TO HOLD ON A PLATFORM LOCATED IN PART HIGH OF A BANK.

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FR2909698A1 true FR2909698A1 (en) 2008-06-13
FR2909698B1 FR2909698B1 (en) 2009-02-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3006702A1 (en) * 2013-06-07 2014-12-12 Sateco Sa FORMWORK BANK HAVING MEANS FOR DISPLAYING THE POSITION OF THE FRONT GUARD
CN106836798A (en) * 2017-01-23 2017-06-13 中建四局第三建筑工程有限公司 A kind of Xin Jiamo construction methods and guard bar structure
FR3114335A1 (en) 2020-09-22 2022-03-25 Anoxa ELEMENT OF GUARDRAILS, IN PARTICULAR OF PANEL GUARDRAILS

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673060A (en) * 1986-02-18 1987-06-16 Gregory Robert K Foldable scaffold and method
FR2610348A1 (en) * 1987-01-30 1988-08-05 Gendrot Fernand Service gangway for formwork panels
EP0468907A1 (en) * 1990-07-27 1992-01-29 Eurobress Pliable supporting-console for wall-forms
FR2671575A1 (en) * 1991-01-10 1992-07-17 Roussel Daniel Guard rail for shuttering boards (wall forms)
FR2736374A1 (en) * 1995-07-04 1997-01-10 Bouygues Sa Retractable guard rail for protecting personnel working on platform located in upper part of coffering panel from falling - has horizontal cross members connected by uprights fixed to perpendicular feet, pivoting about horizontal pivots in vertical side webs fitted to stop end top

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673060A (en) * 1986-02-18 1987-06-16 Gregory Robert K Foldable scaffold and method
FR2610348A1 (en) * 1987-01-30 1988-08-05 Gendrot Fernand Service gangway for formwork panels
EP0468907A1 (en) * 1990-07-27 1992-01-29 Eurobress Pliable supporting-console for wall-forms
FR2671575A1 (en) * 1991-01-10 1992-07-17 Roussel Daniel Guard rail for shuttering boards (wall forms)
FR2736374A1 (en) * 1995-07-04 1997-01-10 Bouygues Sa Retractable guard rail for protecting personnel working on platform located in upper part of coffering panel from falling - has horizontal cross members connected by uprights fixed to perpendicular feet, pivoting about horizontal pivots in vertical side webs fitted to stop end top

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3006702A1 (en) * 2013-06-07 2014-12-12 Sateco Sa FORMWORK BANK HAVING MEANS FOR DISPLAYING THE POSITION OF THE FRONT GUARD
CN106836798A (en) * 2017-01-23 2017-06-13 中建四局第三建筑工程有限公司 A kind of Xin Jiamo construction methods and guard bar structure
FR3114335A1 (en) 2020-09-22 2022-03-25 Anoxa ELEMENT OF GUARDRAILS, IN PARTICULAR OF PANEL GUARDRAILS

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