WO2016185437A1 - Dispositif de support pour des rails temporaires dans un système d'échafaudage - Google Patents

Dispositif de support pour des rails temporaires dans un système d'échafaudage Download PDF

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Publication number
WO2016185437A1
WO2016185437A1 PCT/IB2016/052971 IB2016052971W WO2016185437A1 WO 2016185437 A1 WO2016185437 A1 WO 2016185437A1 IB 2016052971 W IB2016052971 W IB 2016052971W WO 2016185437 A1 WO2016185437 A1 WO 2016185437A1
Authority
WO
WIPO (PCT)
Prior art keywords
guiding
rail
fastening means
horizontal surface
substantially horizontal
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.)
Ceased
Application number
PCT/IB2016/052971
Other languages
English (en)
Inventor
Giuliano Martelli
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.)
Metal-Form Srl
Original Assignee
Metal-Form Srl
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 Metal-Form Srl filed Critical Metal-Form Srl
Publication of WO2016185437A1 publication Critical patent/WO2016185437A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • 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
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
    • 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
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/24—Couplings involving arrangements covered by more than one of the subgroups E04G7/08, E04G7/12, E04G7/20, E04G7/22

Definitions

  • the present invention relates to a guide device for scaffolding rails of the type comprising means of fasten to a scaffolding upright, guiding means adapted to guide the sliding in the vertical direction of a rail and support means to support the rail to a determined height.
  • the present invention also relates to a safety scaffold comprising at least a pair of uprights to each of which is bound at least one driving group of a temporary rail in which the support and guide groups have vertically elongated guiding means which cooperate with sliding means, also vertically elongated, of the temporary rail, and support means which support the rail at a determined height preventing it to fall downward.
  • a scaffold comprises a plurality of portals, each consisting of two tubular uprights, of a crossbar which connects the uprights in their upper part and of two diagonal reinforcing elements which connect the crossbar to each of the uprights.
  • portals In the initial assembly two portals are arranged facing at a certain distance and connected with horizontal and/or diagonal connection elements that also constitute anti-fall protection barriers.
  • a walkway is supported on the crossbars of the two portals so as to extend from one to another. Subsequently, additional portals can be put beside to the previous one or inserted over it so as to continue the construction of the scaffolding in length and in height.
  • a scaffolding system provided with temporary rails is described for example in WO 2013030805 in which to the uprights of two facing portals are associated guiding and support devices for temporary rails of scaffolding.
  • Each guide device is provided with means for fastening to an upright of a scaffold, with guiding means for a temporary rail shaped so as to form a guide or a vertical sliding track of the rail, and with rail support means capable of preventing the rail to scroll down with respect to the device.
  • the guide device described in the cited international application is very efficient because it can be associated with existing traditional portals and allows a very high safety in the assembly operations of a scaffold because it allows to realize temporary protection parapets in correspondence of the last level of the scaffold (the one on the top) operating from the lower level, so without having to climb on the top level itself.
  • the above mentioned device has found poor diffusion due to transport problems of the portals with the paired device.
  • the portals for the construction of scaffoldings are usually transported lying horizontally and stacked one on the other staggered by a small amount, so as to guarantee stability during transportation.
  • the object of the present invention is to propose a guide device for temporary rails of scaffolding able to overcome the above described limitations of the known art.
  • the object of the present invention is to propose a guide device for temporary rails of scaffolding of great effectiveness, reliability, with reduced manufacturing costs, easy and quick to install.
  • a further object of the present invention is to propose a scaffolding system with temporary rails optimized in relation to manufacturing costs, easiness and speed of assembly, versatility of use and reliability.
  • a guiding and support device for temporary scaffolding rails provided with means for fastening to a tubular upright of a scaffold, guiding means for temporary rails shaped so as to form a guide or a vertical sliding track of said rail, and support means of said rail, in which the restraining means and the guiding means are constituted by separate elements associable with each other via the coupling means comprising a male coupling profiles and corresponding female coupling profiles that allow vertical reciprocal sliding of the guiding means compared to the restraining means.
  • the above-mentioned coupling means comprise at least a first substantially horizontal surface of end stroke associated with the male coupling profile and a corresponding second substantially horizontal surface of end stroke associated with the female coupling profile intended to abut against the first substantially horizontal surface of end stroke.
  • the guiding means may be associated with the fastening means very quickly and accurately without there being the risk of having the two elements associated in a not complete manner and therefore unstable.
  • the female coupling profiles are constituted by a substantially rectangular section channel extending vertically and the male coupling profiles are constituted by a tongue with a substantially rectangular section extended vertically from the first substantially horizontal surface of end stroke for a length equal to or greater than the length of the female coupling profile channel.
  • the male coupling profile is associated to the guiding means, with the substantially horizontal surface of end stroke disposed facing downward at the top of the guiding means and the said tongue extending downwardly, the second substantially horizontal surface of end stroke it is disposed at the top of the said channel of the female sliding profiles associated with the fastening means.
  • the guiding means comprise a first pair of holes for the support means aligned with each other in height and in distance from the fastening means, suitable to house the support means in a position such as to interfere with the base of an upright of a temporary rail, and a second pair of holes for the support means aligned with each other in height and in distance from the restraining means, staggered in distance from the fastening means with respect to the first pair of holes, suitable for housing the support means in a position such that it interfere with a transverse element extending from an upright of a temporary rail.
  • Figure 1 shows a front view of a device according to the invention in operative configuration in which by dotted lines are shown a portion of an upright of a portal and a temporary rail in a scaffold in which the device is installed;
  • Figure 2 shows a top view of the device of Fig. 1 , in partial section, taken along the section line ll-ll of Fig.1 ;
  • Figure 3 shows a further front view of the device of Fig. 1 wherein is shown a phase of association of the guiding means to the fastening means.
  • a guiding and support device 100 comprises fastening means, 1 10, to an upright 1 1 , of a portal, guiding means, 120, of the sliding of a temporary rail, 40, and support means, 130, to prevent the sliding down of the temporary rail 40.
  • the fastening means 1 10 are constituted by two fastening portions, 1 1 1 , 1 12, to each of which is associable one of two guiding means 120.
  • the fastening portions 1 1 1 1 , 1 12 are connected each other by hinge means, 1 13, with vertical axis and they form a clamping fasten with a form suitable to close itself around the upright 1 1 .
  • clamping means, 1 14, constituted by a bolt that connects and allows to bring together close two perforated flaps, 1 15, 1 16, of the fastening portions, respectively 1 1 1 , 1 12.
  • the fastening portions 1 1 1 and 1 12 have perforated flaps 1 15, 1 16 both on one side and on the diametrically opposite side (in place of the hinge means 1 13).
  • the fastening means 1 10 are then constituted by two fastening portions 1 1 1 and 1 12 perfectly identical and symmetrical which are clamped together around the upright 1 1 by two clamping means 1 14.
  • fasten 1 1 1 and 1 12 separable between them have an even more reduced size during transport.
  • the guiding means 120 are constituted by guide portions 121 that form a "U" profile vertically elongated so as to have an extension between 5 cm and 30 cm, preferably between 8 cm and 10 cm.
  • the internal "U" profile of the guiding means is the most suitable to adapt to the most common type of rails which have side tubular vertical elements with circular or rectangular cross-section, however, the profile of the guiding means may be of any form suitable to cooperate with a corresponding shape of side vertical elements of the rail.
  • the fastening means 1 10 and the guiding means 120 are constituted by two separate and distinct bodies which can be coupled with coupling means, 182, constituted of male coupling profiles, 183, made in the guiding means 120 and corresponding female coupling profiles, 184, realized in the fastening means 1 10, which allow vertical mutual sliding.
  • the coupling means also comprise a first substantially horizontal surface of end stroke, 191 , associated to the male coupling profile 183 and a corresponding second substantially horizontal surface of end stroke, 192, associated with the female coupling profile 184 intended to abut against the first substantially horizontal surface of end stroke 191 to determine an end stroke position in correspondence of which the guiding means 120 are completely and stably associated to the fastening means 1 10.
  • the female coupling profiles 184 are constituted by a substantially rectangular section channel extending vertically and the male coupling profiles 183 are constituted by a tongue with a substantially rectangular section extended vertically from the first substantially horizontal surface of end stroke 191 for a length equal to or greater than the length of the female coupling profile channel 184.
  • the male coupling profiles 183 are associated with the guiding means 120 and are fixed to these by a connecting flap, 193, disposed at the top of the guide portion 121 so that the first substantially horizontal surface of end stroke 191 is constituted by the lower surface of the connecting flap 193 and the tongue that constitutes the male coupling profiles extends itself vertically downwards from the latter.
  • the second substantially horizontal surface of end stroke 192 is constituted by the top of the outer wall of the channel which constitutes the female coupling profiles 184.
  • the surface 191 which is the lower surface of the connecting flap 193 abuts on the surface 192 that the top of the outer wall of the channel 184, so that it is exactly determined a position of complete and stable association of the guiding means to the fastening means.
  • the tongue 183 extends itself for a length equal to or greater than the length of the channel 184 so that it is exploited the entire length of the latter for guiding the placement of the guiding means.
  • the tongue 183 is welded to the guide portion 121 and the tubular element of rectangular section which constitutes the channel 184 is welded to the connecting means 1 10.
  • the device 100 thus conceived allows to stably fasten the fastening means 1 10 to the upright 1 1 , while the guiding means 120 can be easily removed each time the rail is moved, and is no longer required the guiding and supporting action of the guiding means 120.
  • the fastening means 1 10, which once installed on the upright 1 1 must not be removed anymore exactly define the height and the angular position that the guiding means 120 must assume, which instead are removed every time the temporary rail 40 is moved upstairs.
  • the fastening means 1 10 have overall dimensions reduced to a minimum and yet allow a very stable and safe connection of the guiding means 120.
  • the support means 130 comprise a support element, 131 , which consists of a pin dimensioned to fit into appropriate pairs of holes provided in the guide portion 121 .
  • All the elements of the device i.e. fastening means 1 10, guiding means 120, support means 130 and coupling profiles 183 and 184 between the fastening means and the guiding means are advantageously made of steel as this material offers superior mechanical characteristics compared to other, in particular to plastics, and therefore it allows to minimize the thickness and the size of the device with the same overall mechanical strength of the device 100.
  • the portals of scaffolding are made of steel, they are avoided the sealing problems of the fastening means which may arise due to the thermal expansion differences between these and the upright of the portal to which they are associated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Road Signs Or Road Markings (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

La présente invention concerne un dispositif de guidage et de support de rails temporaires dans un échafaudage pour l'industrie de la construction, ledit dispositif étant constitué par un moyen de fixation destiné à être fixé sur le montant et un élément de guidage du rail qui peut être associé à ce dernier, de telle manière à garantir une portabilité maximale de l'échafaudage et, en même temps, une grande fiabilité du dispositif grâce au fait que les deux éléments qui le composent, peuvent être reliés l'un à l'autre de manière très rapide mais également précise et stable.
PCT/IB2016/052971 2015-05-21 2016-05-20 Dispositif de support pour des rails temporaires dans un système d'échafaudage Ceased WO2016185437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A000688A ITUB20150688A1 (it) 2015-05-21 2015-05-21 Dispositivo di guida per transenne provvisorie di ponteggi
IT102015000016769 2015-05-21

Publications (1)

Publication Number Publication Date
WO2016185437A1 true WO2016185437A1 (fr) 2016-11-24

Family

ID=53836699

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2016/052971 Ceased WO2016185437A1 (fr) 2015-05-21 2016-05-20 Dispositif de support pour des rails temporaires dans un système d'échafaudage

Country Status (2)

Country Link
IT (1) ITUB20150688A1 (fr)
WO (1) WO2016185437A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625588A (zh) * 2018-07-05 2018-10-09 辽宁工程技术大学 一种耗能减振轮扣式脚手架扣件
JP2019132042A (ja) * 2018-01-31 2019-08-08 株式会社クリス・コーポレーション クサビ緊結式足場用クランプ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474087A1 (fr) * 1980-01-18 1981-07-24 Hussor Erecta Sa Echafaudage ou structure a tubes et colliers a montage rapide
FR2484507A1 (fr) * 1980-05-13 1981-12-18 Mills Echafaudages Perfectionnements apportes aux elements d'assemblage, notamment pour echafaudages
JPH09242330A (ja) * 1996-03-05 1997-09-16 Tec Birudo Kk 足場組立用金具
JP2004190356A (ja) * 2002-12-12 2004-07-08 Sumitomo Forestry Co Ltd 足場構造
AU2010201982A1 (en) * 2009-05-27 2010-12-16 Smartscaff Pty Ltd A clamp
JP2013194500A (ja) * 2012-03-19 2013-09-30 Step Up Kk 足場主柱の締め金具固定装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474087A1 (fr) * 1980-01-18 1981-07-24 Hussor Erecta Sa Echafaudage ou structure a tubes et colliers a montage rapide
FR2484507A1 (fr) * 1980-05-13 1981-12-18 Mills Echafaudages Perfectionnements apportes aux elements d'assemblage, notamment pour echafaudages
JPH09242330A (ja) * 1996-03-05 1997-09-16 Tec Birudo Kk 足場組立用金具
JP2004190356A (ja) * 2002-12-12 2004-07-08 Sumitomo Forestry Co Ltd 足場構造
AU2010201982A1 (en) * 2009-05-27 2010-12-16 Smartscaff Pty Ltd A clamp
JP2013194500A (ja) * 2012-03-19 2013-09-30 Step Up Kk 足場主柱の締め金具固定装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019132042A (ja) * 2018-01-31 2019-08-08 株式会社クリス・コーポレーション クサビ緊結式足場用クランプ
CN108625588A (zh) * 2018-07-05 2018-10-09 辽宁工程技术大学 一种耗能减振轮扣式脚手架扣件

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