EP3401463A1 - Verbindungsvorrichtung für deckentisch - Google Patents

Verbindungsvorrichtung für deckentisch Download PDF

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Publication number
EP3401463A1
EP3401463A1 EP18170952.8A EP18170952A EP3401463A1 EP 3401463 A1 EP3401463 A1 EP 3401463A1 EP 18170952 A EP18170952 A EP 18170952A EP 3401463 A1 EP3401463 A1 EP 3401463A1
Authority
EP
European Patent Office
Prior art keywords
pivot axis
plug
oblong slot
connecting device
housing
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.)
Granted
Application number
EP18170952.8A
Other languages
English (en)
French (fr)
Other versions
EP3401463B1 (de
EP3401463B9 (de
Inventor
Pascal Perrotin
Sébastien Philippe
Cédric POINARD
Alexandre Souvignet
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.)
Universite Savoie Mont Blanc
Alphi SAS
Original Assignee
Universite Savoie Mont Blanc
Alphi SAS
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 Universite Savoie Mont Blanc, Alphi SAS filed Critical Universite Savoie Mont Blanc
Publication of EP3401463A1 publication Critical patent/EP3401463A1/de
Publication of EP3401463B1 publication Critical patent/EP3401463B1/de
Application granted granted Critical
Publication of EP3401463B9 publication Critical patent/EP3401463B9/de
Active 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/483—Supporting heads
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E04G13/066—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for overhangs
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G2025/006—Heads therefor, e.g. pivotable

Definitions

  • the present invention relates to the field of formwork construction, and more particularly relates to a connecting device for connecting a support prop to a formwork structure defining a formwork plane.
  • a formwork assembly comprising a formwork structure defining a formwork plane, said formwork structure being pivotally connected to at least one retaining strut by means of a connecting device.
  • a formwork assembly is sometimes called a "formwork table” or “formwork table”.
  • the second part is displaceable relative to the first part between at least one insertion position, in which the insertion section is received by fitting into the insertion housing, the first and second directions being parallel to each other. another, and a retracted position, wherein the plug section is rotated so that the second direction is angularly away from the first direction.
  • the retracted position significantly reduces the size of the formwork assembly to facilitate handling, especially when said formwork assembly must be removed by means of a crane after formwork of a balcony of a upper floor by vertical support on the balcony of a lower floor, which balcony of lower floor being provided with a safety barrier to limit the risk of falling operators.
  • the security barrier is indeed an obstacle to which the struts must escape.
  • the maintenance of the second part in the retracted position is provided by a hook which adds to the complexity and cost of the connecting device.
  • This hook is also difficult to maneuver by an operator because of its remote and inaccessible position, and because of the weight of the prop stay which induces a strong resistance against the operation of the hook. This makes it necessary to use both hands of the operator, or even two different operators working simultaneously to release the support prop.
  • this hook is a member that can easily be damaged by a shock, so that the reliability is not satisfactory.
  • a problem proposed by the present invention is to design a simple connecting device, inexpensive and reliable, to quickly and easily move a support prop between at least one insertion position and a retracted position.
  • the invention provides a connecting device according to claim 1.
  • Such a connecting device has a very simple and resistant structure. No additional member is used such as a hook to hold the second part in the retracted position. Only the gravity and geometry of the first and second parts are used. A single operator acting with one hand is sufficient to move the second part (and the retaining strut attached thereto) to the retracted position or to the retracted position.
  • the first and second parts may be separable from each other by removal of the pivot axis from the oblong slot.
  • the first and second parts can be separated, the first part being fixed to the formwork structure while the second part is attached to a support prop. The assembly of the first and second parts is performed simply and quickly on the site.
  • the pivot axis may comprise a radial stud providing the pivot axis with a section with a cross section having at least one dimension greater than the width of the oblong slot.
  • the pivot axis must thus be oriented relatively accurately with respect to the oblong slot. This effectively limits the risk of handling errors that may result in a fortuitous separation of the first and second parts.
  • the pivot axis can be connected inseparably to the first part.
  • the pivot axis despite what it can be moved to allow a separation of the first and second parts relative to each other, can not be lost or fall on an operator.
  • a formwork assembly comprising a formwork structure defining a formwork plane, said formwork structure being connected to at least one retaining strut by means of a connecting device such as previously described.
  • Such a method is simple and quick to implement, even by a low-skilled operator, because it requires only a quick succession of simple movements of handling of the props, without using tools, and with little 'efforts.
  • step a) To facilitate the movement of the retaining strut and the second part from the retracted position to the retracted position, it is advantageous to provide a step, prior to step a), during which the strut is moved. and second part relative to the first part by rotation about the pivot axis so as to spread the lateral surface of the second portion vis-à-vis the lower edge of a side wall of the plug-in housing .
  • a formwork assembly 1 On the figure 1 is illustrated a formwork assembly 1, type "formwork table” or “formwork table”, comprising a formwork structure 2 defining a formwork plan P. Said shuttering structure 2 is connected to four props 3 retaining by means of an example of connecting devices 4 according to the invention.
  • the structure of the connecting device 4 is more particularly visible on the figures 2 and 3 .
  • the third direction III-III is defined by a pivot axis 11 carried by the first part 5, while the insertion section 10 has an oblong slot 12 which extends along the second direction II-II between a first end 12a and a second end 12b and which is adapted to receive the pivot axis 11.
  • the connecting device 4 appears with the first 5 and second 8 parts in an assembled state in which the pivot axis 11 passes through the oblong slot 12.
  • the second part 8 is more particularly in a so-called withdrawal position in which the insertion section 10 is arranged outside the insertion housing 7, the first II and second II-II directions being parallel to each other (and even coincidental here ), and the pivot axis 11 being engaged in the oblong slot 12 at the first end 12a of the oblong slot 12 to allow the pivoting of the second portion 8 around the third direction III-III defined by the pivot axis 11.
  • This same withdrawal position is illustrated on the figure 6 .
  • the lower edge 13 of the side wall 14 of the plug-in housing 7 is provided with a step 13a extending away from the first direction I-I.
  • the lateral surface 10c of the insertion section 10 has a hollow housing 15 with lateral edges 15a extending substantially perpendicular to the second direction II-II.
  • the expansion 13a comprises two protuberances 13b intended to penetrate into the hollow housing 15 when the second part 8 is in the retracted position ( figures 8 and 9 ).
  • the first 5 and second 8 parts are separable by removal of the pivot axis 11 out of the oblong slot 12.
  • the pivot axis 11 comprises two radial studs 17 and 18 providing pivot axis 11 two respective cross-section sections having at least one dimension L11 greater than the width L12 of the oblong slot 12 (see also figure 9 ).
  • the radial stud 17 more particularly makes it possible to limit the risks of inadvertent withdrawal of the pivot pin 11 from the oblong slot 12. In fact, to do this, it is necessary for the pin 17 to be substantially oriented in a direction parallel to the second direction II-II.
  • the radial stud 18 makes it possible for it to link the pivot axis 11 inseparably to the first part 5.
  • the pivot axis 11 is slidably engaged in the third direction III-III in a hole 19 formed in the first part 5.
  • Said hole 19 has a cross section (a diameter here) little greater than the diameter of the pivot axis 11 and in any case less than the width L11 of the section of the pivot axis 11 comprising the radial stud 18. The pivot axis can thus not be removed from the first part 5 more than what is represented on the figure 2 .
  • the second part 8 is initially arranged in the insertion position ( figures 4 and 5 ), the second direction II-II then being substantially vertical (the vertical direction being defined by the Earth's gravity).
  • the formwork plane P is substantially horizontal.
  • the support 3 and the second part 8 are moved in translation from the insertion position ( figures 4 and 5 ) to the withdrawal position ( figures 3 and 6 ) by bringing the pivot axis 11 to the first end 12a of the oblong slot 12 in the second direction II-II (by a simple translational movement illustrated by the arrow 21).
  • This can be achieved by a simple shortening of the total length of the prop 3, the formwork structure 2 then being held suspended by lifting means (a crane for example).
  • This shortening of length combined with the effect of gravity, provides a displacement of the prop 3 and the second part 8 from the insertion position ( figures 4 and 5 ) to the withdrawal position ( figures 3 and 6 ).
  • a subsequent step B the retaining strut 3 and the second part 8 are rotated relative to the first part 5 around the pivot axis 11 (according to the rotational movement illustrated by the arrow 16 on the figure 6 ) so as to bring the second direction II-II in orientation substantially perpendicular to the first direction II.
  • this direction of rotation is chosen so as to pivot the support strut 3 in the direction of the center of the formwork structure 2 (to avoid any exceeding of the support prop 3 at the periphery of the formwork structure 2).
  • the stay 3 and the second portion 8 are moved in translation relative to the first portion 5 by sliding the pivot axis 11 in the oblong slot 12 towards the second end 12b (according to the movement illustrated by the arrow 23 on the figure 7 ) to extend the second portion 8 beyond the lower edge 13 of the side wall 14 of the plug-in housing 7 ( figure 7 ).
  • the second portion 8 is slid until the protuberances 13b carried by the expansion 13a are located in correspondence with the hollow housing 15 (substantially as on the figure 9 ).
  • the support strut 3 is moved in rotation (or allowed to move under the effect of gravity) and the second part 8 relative to the first part 5 around the pivot axis 11 (according to the movement illustrated by the arrow 24 on the figure 7 ) so that the second part 8 comes to rest along the lateral surface 10c against the lower edge 13 of the lateral wall 14 of the insertion housing 7 ( figures 8 and 9 ).
  • the protuberances 13b carried by the expansion 13a penetrate into the hollow housing 15 and prevent any translation of the second portion 8 tending to bring the pivot axis 11 towards the first end 12a of the oblong slot 12 by abutting against the edge lateral 15a of the hollow housing 15.
  • the prop 3 and the second part 8 are initially arranged in the retracted position ( figures 8 and 9 ), the second direction II-II then being substantially horizontal (the vertical direction being defined by the Earth's gravity).
  • the formwork plane P is substantially horizontal.
  • the connecting device comprises excrescences 13b
  • it begins, in a preliminary step, by moving the prop 3 and the second part 8 relative to the first part 5 by rotation about the pivot axis 11 (according to a movement illustrated by the arrow 16 on the figures 8 and 9 ) so as to spread the lateral surface 10c of the second portion 8 vis-à-vis the lower edge 13 of the side wall 14 of the insertion housing 7.
  • the movement illustrated by the arrow 16 is continued until that the protuberances 13b no longer protrude into the hollow housing 15. It is then substantially in the configuration illustrated on the figure 7 .
  • the support 3 and the second part 8 are displaced by translation relative to the first part 5 by bringing the pivot axis 11 to the first end 12a of the oblong slot 12 according to the second direction II-II, by means of a movement opposite to that illustrated by the arrow 23 on the figure 7 .
  • step b) the retaining strut 3 is displaced by rotation and the second part 8 (or allowed to move under the effect of gravity) relative to the first part 5 around the pivot axis 11 to bring them into the retracted position ( figure 3 and 6 ).
  • the support 3 and the second part 8 are displaced by translation relative to the first part 5 so as to bring the second part 8 into the insertion position ( figure 4 and 5 ), by means of a translation movement opposite to the movement illustrated by the arrow 21 of the figures 4 and 5 .
  • This can be achieved by simply increasing the total length of the prop 3, the formwork structure 2 then being held suspended by lifting means (a crane for example). This increase in length, by pressing the support 3 on the ground, provides a displacement of the second portion 8 from the retracted position ( figures 3 and 6 ) to the plug-in position ( figures 4 and 5 ).
  • a locking pin is inserted simultaneously into the locking slot 20 and into the oblong slot 12 to ensure that the second part 8 is held in the plug-in position.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP18170952.8A 2017-05-09 2018-05-07 Verbindungsvorrichtung für schalungstisch Active EP3401463B9 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1754063A FR3066208B1 (fr) 2017-05-09 2017-05-09 Dispositif de liaison pour table de coffrage

Publications (3)

Publication Number Publication Date
EP3401463A1 true EP3401463A1 (de) 2018-11-14
EP3401463B1 EP3401463B1 (de) 2019-11-06
EP3401463B9 EP3401463B9 (de) 2020-02-26

Family

ID=59649843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18170952.8A Active EP3401463B9 (de) 2017-05-09 2018-05-07 Verbindungsvorrichtung für schalungstisch

Country Status (2)

Country Link
EP (1) EP3401463B9 (de)
FR (1) FR3066208B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018123387A1 (de) * 2018-09-24 2020-03-26 Peri Gmbh Stützenkopf, deckenstütze, deckenschalung und verfahren zum errichten einer solchen deckenschalung
CN113914616A (zh) * 2021-11-04 2022-01-11 广东蕉岭建筑工程集团有限公司 一种剪刀式楼梯定型钢模固定组件
DE202021101627U1 (de) 2021-03-26 2022-07-01 Peri Se Verbindungsbauteil
EP4056785A1 (de) * 2021-03-12 2022-09-14 Peri Se Stützeinrichtung, deckenstützen, deckenschalungssystem und verfahren zum ausschalen eines deckenschalungspaneels
EP4219864A1 (de) * 2022-01-31 2023-08-02 Ed. Züblin Aktiengesellschaft Stütze zur temporären anordnung zwischen zwei gebäudebauteilen zur ableitung von lasten in die gebäudebauteile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3975U1 (de) * 1999-05-17 2000-11-27 Dingler Gerhard Kopfverbindung für eine rohrstütze
KR20100099078A (ko) * 2010-08-09 2010-09-10 깨뱉시스템주식회사 테이블폼용 회전 동바리
FR3027934A1 (fr) 2014-10-30 2016-05-06 Sateco Sa Dispositif de liaison adapte pour relier de maniere amovible une plateforme de coffrage horizontale et un etai de soutenement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3975U1 (de) * 1999-05-17 2000-11-27 Dingler Gerhard Kopfverbindung für eine rohrstütze
KR20100099078A (ko) * 2010-08-09 2010-09-10 깨뱉시스템주식회사 테이블폼용 회전 동바리
FR3027934A1 (fr) 2014-10-30 2016-05-06 Sateco Sa Dispositif de liaison adapte pour relier de maniere amovible une plateforme de coffrage horizontale et un etai de soutenement
FR3027932A1 (fr) 2014-10-30 2016-05-06 Sateco Sa Ensemble d'une structure pliable de travail en encorbellement et d'une pluralite d'etais de soutenement articules

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018123387A1 (de) * 2018-09-24 2020-03-26 Peri Gmbh Stützenkopf, deckenstütze, deckenschalung und verfahren zum errichten einer solchen deckenschalung
WO2020064185A1 (de) * 2018-09-24 2020-04-02 Peri Gmbh Stützenkopf, deckenstütze, deckenschalung und verfahren zum errichten einer solchen deckenschalung
EP4056785A1 (de) * 2021-03-12 2022-09-14 Peri Se Stützeinrichtung, deckenstützen, deckenschalungssystem und verfahren zum ausschalen eines deckenschalungspaneels
DE202021101627U1 (de) 2021-03-26 2022-07-01 Peri Se Verbindungsbauteil
CN113914616A (zh) * 2021-11-04 2022-01-11 广东蕉岭建筑工程集团有限公司 一种剪刀式楼梯定型钢模固定组件
EP4219864A1 (de) * 2022-01-31 2023-08-02 Ed. Züblin Aktiengesellschaft Stütze zur temporären anordnung zwischen zwei gebäudebauteilen zur ableitung von lasten in die gebäudebauteile

Also Published As

Publication number Publication date
EP3401463B1 (de) 2019-11-06
FR3066208B1 (fr) 2019-06-14
EP3401463B9 (de) 2020-02-26
FR3066208A1 (fr) 2018-11-16

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