EP2072714A1 - Sicherheitsgondel - Google Patents

Sicherheitsgondel Download PDF

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Publication number
EP2072714A1
EP2072714A1 EP08172482A EP08172482A EP2072714A1 EP 2072714 A1 EP2072714 A1 EP 2072714A1 EP 08172482 A EP08172482 A EP 08172482A EP 08172482 A EP08172482 A EP 08172482A EP 2072714 A1 EP2072714 A1 EP 2072714A1
Authority
EP
European Patent Office
Prior art keywords
lateral support
platform
vertical
wheels
premature
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.)
Withdrawn
Application number
EP08172482A
Other languages
English (en)
French (fr)
Inventor
Tony Merillon
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.)
Charvin Merillon
Original Assignee
Charvin Merillon
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 Charvin Merillon filed Critical Charvin Merillon
Publication of EP2072714A1 publication Critical patent/EP2072714A1/de
Withdrawn legal-status Critical Current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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile 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
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/34—Mobile scaffolds; Scaffolds with mobile platforms characterised by supporting structures provided on the roofs
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/283—Mobile scaffolds; Scaffolds with mobile platforms mobile horizontally

Definitions

  • the present invention relates to the field of the building, and more particularly that of the construction of buildings using lost form walls or "premurs" as described in the document FR 2,877,025 for example.
  • a premur generally comprises two skins (an inner skin and an outer skin) of concrete or the like, interconnected by connecting means.
  • the connecting means generally consist of a metal mesh type wire mesh.
  • the premur thus has an interior space between the inner and outer skin.
  • the premur is first installed vertically in upright position, most often using shoring means bearing on the outer faces of the inner and / or outer skins, and more especially on the outer surface of the inner skin of the premur.
  • the inner skin of the premur has its external face oriented towards the interior of the building under construction.
  • the props are generally pull-push type and installed only against the outer face of the inner skin. Indeed, the relief of the surroundings of the building does not always lend itself to the installation of props, and the ground around the building is not always strong enough to support props or sufficiently clear to allow the setting up of props .
  • the interior space is then filled with concrete which is poured using a bucket carried by a crane: an operator directs the "sock" out of the bucket into the interior space of the premur by filling this one along the whole length of the premur.
  • the operator To properly fill the interior of the premur, the operator must access the upper edge of the skins premur to direct the sock of the bucket to places to be filled with concrete. An operator is thus brought to move, precariously balanced several meters high, on top of the premature, and as many times as successive passes of filling are necessary.
  • the attachment means of this type of nacelle penetrating the inner space of the premur, present a risk of conflict with the connecting means (internal mesh metal).
  • the connecting means internal mesh metal
  • such a nacelle, disposed on one side of the premature may cause an imbalance of the premature may result in a "débombage" (that is to say a misalignment of the plumb) of the premur, and this again more when one or more operators are present in the nacelle.
  • a nacelle which only longitudinally measures 1 to 3 meters, gives access for the operator to a small portion of the length of the interior space of the premur, which generally measures more than 3 meters, or even several tens of meters longitudinally. It is then necessary to carry out numerous successive displacements of nacelle, including each time the operations: to go down from the nacelle, to unhook the nacelle, to move it longitudinally along the premur, to hang it up, to go up in the nacelle. And such operations must be repeated at each pass of filling the inner space of the premature, which makes the use of such a bucket arduous, laborious and dangerous.
  • Another solution is to use a nacelle carried at the end of a motorized arm of a hoist.
  • a nacelle carried at the end of a motorized arm of a hoist.
  • Such a solution is, however, conceivable only in the case where the outer periphery of the building to be constructed or the interior of the building to be constructed are clear and free of access for a hoist.
  • a nacelle carried by an arm is generally very expensive, especially since it is necessary to permanently immobilize a lifting device for the duration of filling the premur which includes several passes separated by a waiting time for setting concrete.
  • the document DE 203 04 654 U1 describes nacelles deconstruction of a wall, used in particular for the deconstruction of industrial chimneys. These pods provide their user with access only to the vertical wall of the wall by carrying and moving it along the wall below its upper edge.
  • the document DE 102 25 183 A1 also describes a nacelle deconstruction of a wall. Although able to carry and move a user over the edge of a wall, this pod gives the user no access to the upper edge of the wall.
  • the problem proposed by the present invention is to design a device capable of ensuring, at low cost, a safe access for at least one operator to the entire interior space of a premur to allow casting of homogeneous concrete, regular , requiring little effort, without risk of conflict with the inner connection means premur, or with the means of shoring premur.
  • the means for supporting and moving the platform in its longitudinal direction along the upper edge of the premur allow the operator to access the entire the inner space of the premur without excessive difficulty so that it fills homogeneously and evenly the interior space over the entire length of the premur during each successive pass.
  • the stability and safety of the nacelle on the upper edge of at least one of the inner and outer skins of the premature is provided by means of lateral support bearing on the outer faces of the inner and outer skins of the walls, which is simple, reliable and effective.
  • the opening means provided in the platform allow the user to access the interior space of the premur safely, without having to bend beyond the platform, above a guard rail for example .
  • the user can thus safely handle instruments intended to be inserted into the interior space of the premature, such as a "sock" for pouring concrete or a vibrating needle to expel air bubbles from the poured concrete, and which have a weight and a size sometimes important.
  • the platform intended to accommodate at least one operator extends above the premur on both sides of it to limit the risk of dismounting premur: the load of the platform and its operator is taken directly by the premur which is arranged vertically, without too much stress on the means of shoring.
  • the vertical support means may comprise at least two vertical support wheels intended to bear on the upper edge of at least one skin of the premur, the vertical support wheels having axes of rotation perpendicular to the direction longitudinal and spaced apart from each other in the longitudinal direction, said vertical bearing wheels being preferably inflatable.
  • This provides simple and effective means for supporting and moving the platform in its longitudinal direction along the upper edge of the premature.
  • the use of wheels makes it possible to move the nacelle with little effort on the upper edge of the premur.
  • the safety nacelle may comprise two longitudinally aligned support wheels to bear on the top of the same skin of the premature, preferably on the outer skin of the premur.
  • the songs of the inner and outer skins are not necessarily located at the same height.
  • the inferior premur then being provided with reinforcing bars or irons arranged in the interior space of the premur or exceeding the upper edge of the inner skin. By resting on the upper edge of the outer skin, it avoids any risk of conflict with any reinforcing bars or irons of recovery.
  • the opening means comprise a longitudinally elongate opening and located substantially in the center of the platform in its transverse direction.
  • the operator can thus access the interior space of the premur along the entire length of the nacelle and he also has a global vision of the filling that he is carrying out, in particular being able to position himself on both sides. another of the premur to better see what he is doing.
  • At least one of the vertical support wheels passes through the opening means of the platform and thus comprises an upper arch which permanently protrudes above the plane of the platform and which is accessible to the operator. 'operator.
  • maneuvering means are made in a simple manner enabling actuation of at least one of the vertical support wheels in order to move the nacelle to the upper edge of the premur.
  • the operator can both hold and guide the casting sock into the interior space of the wall with both hands while moving the nacelle along the premur by applying a rotational torque on the one of the vertical support wheels by means of a foot acting on the upper arch of the wheel.
  • the first lateral support means may comprise first lateral support wheels arranged to bear simultaneously on the outer face of one of the outer or inner skins of the premur
  • the second lateral support means may comprise at least one second lateral support wheel disposed in opposition to bear on the outer face of the other of the outer or inner skins of the premur, the lateral bearing wheels having axes of rotation perpendicular to the longitudinal direction.
  • This provides lateral support means "a minimum” to ensure safe guidance of the nacelle.
  • the second lateral support means are also very small and can thus advantageously be placed in abutment against the outer face of the inner skin of the premur, which limits the risk of conflict with the means of shoring the premur which are generally arranged against the outer face of the inner skin of the premur.
  • This provides even more secure and more effective lateral support means by providing guidance at each longitudinal end of the nacelle. safety, with second lateral support means always very small space on the inner side of the premur.
  • the nacelle may comprise means for adjusting the distance separating the first lateral support means vis-à-vis the second lateral support means in the transverse direction, in order to adapt this distance to the thickness of the double wall.
  • Such adjustment means make it possible to ensure quick and easy adaptation to all the thicknesses of premurs existing on the market.
  • such adjustment means facilitate the establishment of the nacelle on the premur and allow to ensure a good tightening premur between the first and second lateral support means to ensure good guidance of the nacelle and good operator safety.
  • FIGS. 1 to 5 illustrate two embodiments of a safety nacelle according to the invention for carrying and moving an operator over a vertical premur 1 with internal space 1 a between an outer skin 2a and an inner skin 2b ( figure 2 ).
  • the safety nacelle comprises a platform 3, able to accommodate at least one operator, and extending substantially in a plane along longitudinal directions I-I and transverse II-II.
  • the nacelle comprises means 4 for supporting and moving the platform 3 in its longitudinal direction I-I along the premur 1.
  • the means 4 for supporting and moving the platform 3 comprise vertical support means 5 adapted to bear on an upper edge 20a and / or an upper edge 20b of at least one of the inner skins 2b and outer 2a of the prelum 1.
  • the vertical support means 5 are arranged to oppose rotational movements of axis parallel to the transverse direction II-II.
  • the means 4 for supporting and moving the platform 3 furthermore comprise first lateral support means 6 and second lateral support means 7, able to bear simultaneously on the external faces 21a or 21b of the outer skins 2a. and inner 2b of the premature 1 for laterally guiding the nacelle on the premature 1.
  • the first and second lateral support means 6 and 7 are arranged to oppose the rotational movement of axis parallel to the longitudinal direction II and to the movements rotation axis parallel to the vertical direction III-III.
  • the vertical support means 5 comprise two vertical support wheels 5a and 5b aligned longitudinally to bear on the top of the same skin 2a or 2b of the premature 1, and preferably on the outer skin 2a of the premature 1.
  • the vertical support wheels 5a and 5b are positioned transversely so as not to hinder access to the interior space 1a for the operator.
  • the platform 3 comprises opening means 8 allowing an operator to access the inner space 1 a of the premature 1.
  • the opening means 8 comprise a longitudinally elongate opening and located substantially in the center of the platform 3 in its transverse direction II-II. The operator can thus easily and stably access the interior space 1 of the premature 1 by placing it above the premature 1 or even directly above the interior space 1 a by placing a foot on each of two side plates 8a and 8b on either side of the opening means 8.
  • the vertical support wheels 5a and 5b are each located in the vicinity of one end of the nacelle in the longitudinal direction I-I, which ensures good stability.
  • the vertical support wheels 5a and 5b are located in the vicinity of the ends of the elongated opening of the opening means 8, to allow significant access to the interior space 1a of the primer 1 at least between the wheels vertical support 5a and 5b.
  • the vertical support wheels 5a and 5b pass through the opening means 8 of the platform 3 and thus comprise an upper arch 5c which permanently protrudes above the plane of the platform 3.
  • the upper arch 5c is thus accessible to the operator who can, by means of his foot, move at least one of the vertical support wheels 5a and 5b in order to move the safety boat along the premur 1 according to movements illustrated by the arrows 9a and 9b ( figure 4 ).
  • first lateral support means 6 comprise first lateral bearing wheels 6a arranged to bear simultaneously on the outer face 21a of the outer skin 2a of the premature 1.
  • the second lateral support means 7 comprise as for them, at least a second lateral support wheel 7a disposed in opposition to the first lateral support wheels 6a to bear on the outer face 21b of the inner skin 2b of the premature 1.
  • the lateral bearing wheels 6a and 7a have axes of rotation perpendicular to the longitudinal direction II and allow safe and effective guidance of the nacelle along the premur 1 during its displacement in the longitudinal direction II.
  • lateral bearing wheels 6a and 7a and inflatable vertical support wheels 5a and 5b which make it possible to absorb any irregularity of the primer (s) 1.
  • the first lateral support means 6 comprise two pairs 61 and 62 of first lateral support wheels 6a, each comprising a first upper lateral support wheel 61a and 62a and a first wheel of FIG. lower lateral support 61b and 62b.
  • the first upper lateral support wheels 61a and 62a and the first lower lateral support wheels 61b and 62b are arranged to bear simultaneously against the outer face 21a of the outer skin 2a of the premature 1.
  • the first upper lateral support wheel 61a or 62a and the first lower lateral support wheel 61b or 62b are disposed one to the other on the other in the vertical direction III-III.
  • the second lateral support means 7 comprise two second lateral support wheels 7a located in the vertical direction III-III at an intermediate height between the first upper lateral support wheels 61a, 62a and lower 61b, 62b ( figures 1 and 4 ).
  • the second lateral bearing wheels 7a are situated longitudinally each opposite one of the pairs 61 or 62 of the first lateral bearing wheels 6a.
  • the two second lateral support wheels 7a are arranged to bear simultaneously on the outer face 21b of the inner skin 2b of the premature 1, as shown in FIG. figure 2 .
  • the lateral support means 6 and 7 are carried by vertical rods 10a to 10d having ends upper ends such as the ends 100b to 100d, secured directly or indirectly to the platform 3, and having lower ends such that the ends 101b to 101d contained substantially in the same plane and protruding beyond the lateral support means 6 and 7 to form support feet on the ground.
  • adjustment means 15 making it possible to adjust the distance D to the thickness E of the premature 1 between the outer faces 21a and 21b of the outer skin 2a and inner 2b.
  • the adjustment means 15 thus make it possible to adapt the safety nacelle to all existing pre-walls 1 and to facilitate the installation of the nacelle thereon.
  • the adjustment means 15 may comprise a screw-nut type system, preferably irreversible to ensure perfect security of the system, to move in the transverse direction II-II vertical rods 10b and 10c carrying the second means d lateral support 7a.
  • the screws 13 are integral with the platform 3 and arranged in the transverse direction II-II of the platform 3.
  • the screws 13 can be rotated without displacement by means of operating wheels 14.
  • the vertical rods 10b and 10c are integral with a nut-type member carried by the screws 13 and moved in the transverse direction II-II as and when they rotate in one direction or the other.
  • the vertical support wheels 5a and 5b have rotation axes IV-IV which are not parallel to the transverse direction II-II, but which on the contrary have a slight angle ⁇ of a few degrees with respect to the transverse direction II-II.
  • Such inclination of the vertical support wheels 5a and 5b makes it possible to make the inner space 1a of the premature 1 more visible and accessible for an operator disposed on the platform 3.
  • the figure 5 illustrates a second embodiment of a safety nacelle according to the invention.
  • the nacelle of the figure 5 differs from the nacelle shown on the Figures 1 to 4 in that it comprises vertical support means 5 simultaneously bearing on the upper edges 20a and 20b of the outer skins 2a and inside 2b.
  • Such vertical support means 5 make it possible both to move the nacelle in the longitudinal direction II and to block any rotational movement with an axis parallel to the longitudinal direction II.
  • the adjustment means 16 in height of the vertical support wheel 5e comprise a vertical rod 17 provided with a plurality of holes 18 opening on either side of the vertical rod 17 and oriented in the transverse direction II-II .
  • the holes 18 are distributed according to the height of the vertical rod 17. The height positioning of the vertical support wheel 5e is done by engaging the axis 50e of the vertical support wheel 5e in one of the holes 18.
  • the nacelle is then raised by a hoist such as a crane, for example by means of the lifting rings 19 which allow a gripping of the safety nacelle by maintaining the platform 3 in a horizontal plane.
  • the first lateral support wheels 6a and second lateral support wheels 7a are spaced from each other in the transverse direction II-II by a distance D slightly greater than the thickness E of the premature 1.
  • the safety nacelle is installed at the top of the premature 1 by engaging the lateral support means 6 and 7 on either side of the premature 1. The nacelle is then lowered in the vertical direction III-III until the vertical support wheels 5a and 5b bear bearing on the upper edge 20a of the outer skin 2a.
  • the adjustment of the distance D is then carried out by the adjusting means 15 by using the control wheels 14 to bring the second means closer together.
  • lateral support 7 of the first lateral support means 6 until the premature 1 is gripped between the first lateral support wheels 6a and the second lateral support wheels 7a ( figure 2 ).
  • the operator can, while holding the concrete casting sock with both his hands, rotate with one of his feet one of the support wheels 5a or 5b.
  • the nacelle then moves along the premature 1 in the longitudinal direction I-I and the operator can thus fill the inner space 1a along the entire length of the premur 1 with little effort and without risk of falling.
  • the nacelle can be removed from the premur 1 to be used on another premur 1 pending the setting of concrete first pass. We then follow, for the withdrawal of the nacelle, an order of operations opposite to that previously described.
  • the nacelle according to the invention requires, at worst, only one handling per concrete casting pass over the entire length of the wall and that it requires, at best, only one handling. for the complete filling of the interior space 1 to a premature 1 by concrete. This saves valuable operating time while ensuring the safety of the operator.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
EP08172482A 2007-12-21 2008-12-19 Sicherheitsgondel Withdrawn EP2072714A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0760324A FR2925545B1 (fr) 2007-12-21 2007-12-21 Nacelle de securite

Publications (1)

Publication Number Publication Date
EP2072714A1 true EP2072714A1 (de) 2009-06-24

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Family Applications (1)

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EP08172482A Withdrawn EP2072714A1 (de) 2007-12-21 2008-12-19 Sicherheitsgondel

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EP (1) EP2072714A1 (de)
FR (1) FR2925545B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818608A1 (de) * 2013-06-25 2014-12-31 Constreq GmbH Konsolengerüst, bestehend aus mehreren entlang einer Rückseite eines ersten Schalungselementes aneinandergereihten Konsolenelemente
FR3059021A1 (fr) * 2016-11-18 2018-05-25 Sateco Ensemble comprenant au moins une banche de coffrage et une plateforme de circulation
CN112482824A (zh) * 2020-11-10 2021-03-12 中建八局科技建设有限公司 墙体破碎装置及其破碎方法
CN112746737A (zh) * 2020-12-12 2021-05-04 重庆新久融工程机械设备有限公司 一种用于升降脚手架防护的翻板组件
CN113738087A (zh) * 2021-08-20 2021-12-03 中国长江电力股份有限公司 一种用于拖载检修平台的角度可调式支撑驱动装置及使用方法
CN114382308A (zh) * 2021-12-31 2022-04-22 郭岩峰 一种杆塔深基坑开挖坑口安全防护装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2957104B1 (fr) * 2010-03-02 2016-09-02 Sgb Passerelle autonome pour la realisation de premurs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225183A1 (de) 2001-06-06 2003-02-06 Michael Barnsteiner Abbruchgerät
DE20304654U1 (de) 2003-03-21 2004-08-05 Barnsteiner, Michael Vorrichtung zum Abbruch von Bauwerken
FR2877025A1 (fr) 2004-10-25 2006-04-28 Fehr Sa Mur a coffrage perdu

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225183A1 (de) 2001-06-06 2003-02-06 Michael Barnsteiner Abbruchgerät
DE20304654U1 (de) 2003-03-21 2004-08-05 Barnsteiner, Michael Vorrichtung zum Abbruch von Bauwerken
FR2877025A1 (fr) 2004-10-25 2006-04-28 Fehr Sa Mur a coffrage perdu

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818608A1 (de) * 2013-06-25 2014-12-31 Constreq GmbH Konsolengerüst, bestehend aus mehreren entlang einer Rückseite eines ersten Schalungselementes aneinandergereihten Konsolenelemente
FR3059021A1 (fr) * 2016-11-18 2018-05-25 Sateco Ensemble comprenant au moins une banche de coffrage et une plateforme de circulation
CN112482824A (zh) * 2020-11-10 2021-03-12 中建八局科技建设有限公司 墙体破碎装置及其破碎方法
CN112746737A (zh) * 2020-12-12 2021-05-04 重庆新久融工程机械设备有限公司 一种用于升降脚手架防护的翻板组件
CN113738087A (zh) * 2021-08-20 2021-12-03 中国长江电力股份有限公司 一种用于拖载检修平台的角度可调式支撑驱动装置及使用方法
CN113738087B (zh) * 2021-08-20 2022-08-19 中国长江电力股份有限公司 用于拖载检修平台的角度可调式支撑驱动装置的使用方法
CN114382308A (zh) * 2021-12-31 2022-04-22 郭岩峰 一种杆塔深基坑开挖坑口安全防护装置
CN114382308B (zh) * 2021-12-31 2023-10-13 国网黑龙江省电力有限公司伊春供电公司 一种杆塔深基坑开挖坑口安全防护装置

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Publication number Publication date
FR2925545A1 (fr) 2009-06-26
FR2925545B1 (fr) 2012-12-28

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