EP0730070B1 - Plancher de passerelle - Google Patents
Plancher de passerelle Download PDFInfo
- Publication number
- EP0730070B1 EP0730070B1 EP19960400426 EP96400426A EP0730070B1 EP 0730070 B1 EP0730070 B1 EP 0730070B1 EP 19960400426 EP19960400426 EP 19960400426 EP 96400426 A EP96400426 A EP 96400426A EP 0730070 B1 EP0730070 B1 EP 0730070B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support member
- board according
- platform
- end cross
- bars
- 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.)
- Expired - Lifetime
Links
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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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
- E04G1/152—Platforms made of metal or with metal-supporting frame
-
- 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
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
Definitions
- the present invention relates to realization of floors for walkways and more especially suspended walkways.
- gateways are generally made up of various elements assembled on site each of which is made of welded components.
- the object of the present invention is to make a floor for such a walkway, which is made without welding in order to reduce the cost, simplify assembly, and avoid constraints welding techniques.
- the structures concerned are advantageously made of aluminum, given the weight gain obtained by using this material.
- the welding technique has awkward consequences and expensive.
- the welding operation leads to the area concerned an annealing effect partially neutralizing but notably the improvement of elastic limit obtained by quality heat treatment aluminum used for this purpose.
- a modular floor of gateway composed by seamless assembly of two plinths, a set of basic elements and two sleepers end, said plinths being constituted by profiles which each have a side profile receiving the lateral ends of the basic elements, which side profile presents, according to a mode preferential, at least one projecting part fitting in at least one corresponding notch of these basic elements by involving these in the transverse stiffness of the gangway, is characterized in that the crosspieces are fixed at the end of the plinths by at minus one fixing point on each plinth in ensuring the coherence of the whole.
- Each plinth profile has at least a hollow lower longitudinal side profile which serves housing to an element intended to connect the plinth to two end ties or to other parts of the bridge.
- This lateral profile is preferably arranged on the outside of the bridge and, if it is unique, at the lower part of the plinth. It is hollow and can preferably, but not necessarily, a closed tubular section.
- the profile receives in this case, at each end and on a appropriate length, a thread intended to accommodate a screw to connect it to the transverse element corresponding end, as well as possibly a guardrail jamb arranged above the said baseboard.
- a rod threaded at least at its ends, is passed in the said profile over the entire length of it and protrudes at each end to serve as a connection by nut as it says above.
- the nuts located at both ends of the threaded rod are pressed against the ends of the hollow profile to place the plinth in a prestressed situation. This tightening can be done through the elements transverse end previously installed.
- the threaded rod can be replaced by a cable on the ends of which are fixed fasteners allowing equivalent blocking, with the same prestressing effect.
- the hollow profile located at the bottom plinth can be lined with a hollow profile parallel located at the top of the plinth and allowing to reinforce the bonding effect of the first profile.
- the described assembly above constitutes a rigid floor assembly got seamless from its components which is likely in particular to be connected to railings and stirrups to form a bridge, and in particular a suspended walkway.
- This set allows for besides, in a simple way, the prestressing of the bridge.
- the floor according to the invention consists of two side plinths 1, of a series of modular transverse elements 2 constituting the base of the floor, and of two elements transverse end 3.
- Figure 1 shows the respective arrangement of these elements for their assembly.
- Each plinth 1 is designed so as to constitute, in association with the other plinth, a connecting element of the basic transverse elements 2 between them and between the basic transverse elements 2 and the two transverse end elements 3.
- each plinth 1 is constituted by a profile which inwardly has a side profile hollow lower longitudinal 4 intended to serve as housing at the lateral end 5 of the basic elements 2 by setting these up and down.
- the basic transverse elements 2 are longitudinally engaged by sliding in the said side profiles 5 of plinths 1.
- the plinth profile 1 has two hollow longitudinal side profiles parallel to each other, one of which 6 is disposed at the lower part and the other 7 of which is disposed at the upper part of the profile.
- Each profile 6.7 receives, at its two ends 8.9 and over an appropriate length a internal thread intended to accommodate a screw 10.
- Each of the basic transverse elements 2 consists of a metal sheet whose edges transverse 11 are folded to take a shape in U, while its side edges 5 are intended for engage and slide in the interior profiles 4 of plinths 1.
- each plinth 1 has projections 13 on its underside intended to engage in corresponding notches 14 arranged in the lower part of the base 2 so that the set of basic elements 2 cooperates over its entire length in the connection of the two sides of the floor.
- the two transverse end elements 3 seamlessly connect the two plinths 1 to each of their ends. These transverse end elements 3 have a U shape whose branches allow a rigid connection with railings and baseboards. As shown in Figure 2, this link is provided by screws 10 passing through openings appropriate 15 branches of the cross member end and screwing into threaded ends 8.9 of the profiles 6.7 of each plinth 1.
- connection between the plinths and the elements transverse end is not secured by screws, but by a threaded rod or cable passing through each profile of the plinth and each blocking of its ends allows to exercise on the plinth a pre-stress effect.
- the floor assembly thus assembled shown in Figure 5 constitutes a rigid assembly obtained seamless, and which is likely to be connected to railings and stirrups to form a gangway suspended.
- FIG 6 there is shown the floor assembled, which received a pair of 16 figured railings dotted. As we can see the jamb 17 of the railing is fixed by the screw 10 fastening the transverse end element 3 and the plinth 1.
- FIG. 7 a variant has been represented. that the transverse end elements 3 U-shaped are extended upward to enhance their connection with the railings 16 and form brackets allowing the junction between several modules gateway.
- At least one of the transverse elements end 3 could also be extended upwards to form a hanger (not shown).
- each plinth 1 At the top of each plinth 1 an attachment profile 18 which cooperates with a profile corresponding 19 provided in the bottom rail 20 of the railing 16.
- the end legs of the railings are fixed on the corresponding branches end crosspieces, as described in reference to figure 6.
- the side external profiles 6,7 of the skirting board 1 are configured to present facing parts 21 forming slides which allow by sliding between the two profiles plaque (not shown in the drawing) with inscriptions or serving as a support for accessories.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Floor Finish (AREA)
Description
- un plancher,
- deux garde-corps,
- des étriers de suspension.
Claims (11)
- Plancher modulaire de passerelle, composé par l'assemblage sans soudure de deux plinthes (1), d'un ensemble d'éléments de base (2) et de deux traverses d'extrémité (3), les dites plinthes (1) étant constituées par des profilés qui comportent chacun un profil latéral (4) recevant les extrémités latérales (5) des éléments de base (2), caractérisé en ce que les traverses d'extrémité (3) sont fixées en bout des plinthes (1) par au moins un point de fixation sur chaque plinthe (1) en assurant la cohérence de l'ensemble.
- Plancher selon la revendication 1, caractérisé en ce que le profil latéral (4) de chaque plinthe (1) présente au moins une partie en saillie (13) s'insérant dans au moins une entaille (14) correspondante des dits éléments de base (2) en faisant participer ceux-ci à la rigidité transversale de la passerelle,
- Plancher selon la revendication 1, ou la revendication 2, caractérisé en ce que les traverses d'extrémité (3) sont disposées de façon à bloquer les dits éléments de base (2) dans les dits profils latéraux (4) des plinthes (1) à chaque extrémité de la passerelle ou du module de passerelle.
- Plancher selon l'une quelconque des revendications 1 à 3, caractérisé en ce que chaque profilé de plinthe (1) comporte au moins un profil latéral creux longitudinal rectiligne (6,7) servant de logement à un élément de liaison de la plinthe (1) avec d'autres parties de la passerelle et améliorant la résistance de la plinthe (1).
- Plancher selon la revendication 4, caractérisé en ce que l'élément de liaison entre chaque plinthe (1) et les traverses d'extrémité (3) est un lien tel qu'une tige ou un câble dont le blocage à chacune de ses extrémités permet d'exercer sur la plinthe (1) un effet de précontrainte.
- Plancher selon la revendication 4 ou la revendication 5, caractérisé en ce que l'élément de liaison (10) logé dans le profil latéral (6,7) de la plinthe (1) relie celle-ci directement à la traverse d'extrémité (3) correspondante.
- Plancher selon l'une quelconque des revendications 1 à 6, caractérisé en ce que chaque traverse d'extrémité (3) sert de liaison entre chaque plinthe (1) et le jambage correspondant (17) d'un garde-corps (16) situé du côté correspondant de la plinthe (1).
- Plancher selon l'une quelconque des revendications 1 à 7, caractérisé en ce que chaque traverse d'extrémité (3) présente une forme en U dont chaque branche est reliée à au moins l'un des éléments latéraux du plancher tels que plinthes (1) ou garde-corps (16).
- Plancher selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'une au moins des traverses d'extrémité est prolongée vers le haut pour former un étrier de suspension de la passerelle ou un étrier de jonction des modules de passerelle.
- Plancher selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les profilés des plinthes (1) comportent à leur partie supérieure un profil d'accrochage (18) coopérant avec un profil d'accrochage correspondant (19) de la lisse inférieure (20) d'un garde-corps (16) dont les jambages d'extrémité (17) sont fixés sur les branches correspondantes des traverses d'extrémité (3).
- Plancher selon l'une quelconque des revendications 4 à 10, caractérisé en ce que les profils longitudinaux (6,7) des plinthes (1) sont disposés du côté de la plinthe (1) extérieur à la passerelle et ont une partie en forme de glissière (21) permettant d'encastrer par glissement entre ces deux profils (6,7) une plaque portant des inscriptions ou servant de support à des accessoires.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9502405 | 1995-03-02 | ||
FR9502405A FR2731245B1 (fr) | 1995-03-02 | 1995-03-02 | Plancher de passerelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0730070A1 EP0730070A1 (fr) | 1996-09-04 |
EP0730070B1 true EP0730070B1 (fr) | 2000-05-10 |
Family
ID=9476639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960400426 Expired - Lifetime EP0730070B1 (fr) | 1995-03-02 | 1996-02-29 | Plancher de passerelle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0730070B1 (fr) |
ES (1) | ES2148696T3 (fr) |
FR (1) | FR2731245B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2922927B1 (fr) * | 2007-10-29 | 2009-11-20 | Duarib | Plancher d'echafaudage a fond en retrait et echafaudage equipe d'un tel plancher |
CN105839907A (zh) * | 2016-05-31 | 2016-08-10 | 上海建工五建集团有限公司 | 一种悬挂式钢平台脚手架基础及安装方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2501267A1 (fr) * | 1981-03-03 | 1982-09-10 | Entrepose | Plancher d'echafaudage |
FR2527251A1 (fr) * | 1982-05-18 | 1983-11-25 | Self Lock Echafaudages | Element de construction comportant une armature realisee au moyen de longerons et traverses, en particulier pour planchers d'echafaudage |
DE3724269A1 (de) * | 1987-07-22 | 1989-02-02 | Langer Geb Layher | Geruestrahmentafel aus leichtmetall-strang-press-profilteilen |
US4825976A (en) * | 1988-08-31 | 1989-05-02 | Bil-Jax, Inc. | Scaffolding platform |
US5141078A (en) * | 1991-10-10 | 1992-08-25 | Aluma Systems Corp. | Scaffold deck |
DE9305732U1 (de) * | 1993-04-16 | 1993-06-17 | Fritz Schäfer GmbH, 5908 Neunkirchen | Lagereinrichtung, insbesondere mehrgeschossige Bühnenanlage |
-
1995
- 1995-03-02 FR FR9502405A patent/FR2731245B1/fr not_active Expired - Fee Related
-
1996
- 1996-02-29 ES ES96400426T patent/ES2148696T3/es not_active Expired - Lifetime
- 1996-02-29 EP EP19960400426 patent/EP0730070B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2731245B1 (fr) | 1997-05-30 |
EP0730070A1 (fr) | 1996-09-04 |
ES2148696T3 (es) | 2000-10-16 |
FR2731245A1 (fr) | 1996-09-06 |
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