EP0232668B1 - Device for covering and uncovering halls - Google Patents

Device for covering and uncovering halls Download PDF

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Publication number
EP0232668B1
EP0232668B1 EP86440092A EP86440092A EP0232668B1 EP 0232668 B1 EP0232668 B1 EP 0232668B1 EP 86440092 A EP86440092 A EP 86440092A EP 86440092 A EP86440092 A EP 86440092A EP 0232668 B1 EP0232668 B1 EP 0232668B1
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EP
European Patent Office
Prior art keywords
tarpaulins
driving
tarpaulin
driving shaft
covering
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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.)
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EP86440092A
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German (de)
French (fr)
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EP0232668A1 (en
Inventor
André Fritz
Jean Gerlinger
Denis Walter
Jean Pierre Hollender
Charles Schneider
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Lucien Walter Ets SA
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Lucien Walter Ets SA
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Priority to AT86440092T priority Critical patent/ATE62040T1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/16—Roof structures with movable roof parts
    • E04B7/166—Roof structures with movable roof parts characterised by a translation movement of the movable roof part, with or without additional movements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/14—Gymnasiums; Other sporting buildings
    • E04H3/16—Gymnasiums; Other sporting buildings for swimming
    • E04H3/165—Gymnasiums; Other sporting buildings for swimming having movable parts

Definitions

  • the invention relates to a tarpaulin-unblocking device for halls or any other similar structures intended to be completely covered by tarpaulins, comprising a modular set of tarpaulins composed of at least two tarpaulins staggered relative to a transverse median plane.
  • plastic tarpaulins, Kevlar or the like are frequently used for the temporary or removable covering of halls, sports grounds, or any other structures of light construction, such as metallic structures or in glued laminated wood.
  • a tarpaulin device comprising covering means having the form of an opening belt of which one of the strands is constituted by the tarpaulin and the other strand by the straps of traction.
  • the two ends of this open belt partially wrapping around a drum reference, located at the top of the hall or structure, are connected one to the drum for winding and unwinding the tarpaulin and the other to the reels for unwinding and winding the traction straps.
  • the drum and the coils are driven by the same motor which, depending on its direction of rotation, drives either the drum or the coils.
  • each section of the hall or structure roof is covered by a tarpaulin.
  • the sealing is not ensured by the tarpaulins arranged on either side of said peak and it is necessary to provide additional means to obtain said sealing.
  • the basic module of this tarpaulin and uncovering device consists of tarpaulin winding drums arranged alternately on either side of a vertical structure.
  • winding drums arranged on the same side of a vertical structure are connected to each other by means of sections of intermediate shafts thus making it possible to drive them in rotation by means of common motor means.
  • traction cables to which the free ends of the aforementioned tarpaulins are fixed, these describe, thanks to a set of deflection pulleys, a looped path avoiding the winding or unwinding of said cables on any reel during deployment or folding up the tarpaulins.
  • This arrangement also makes it possible to associate with two traction cables, a set of tarpaulins for this tarpaulin and uncovering device.
  • this device being devoid of coils for winding the traction cables, obliges to extend the latter above the surface to be covered which, on the one hand, increases the difficulties of mounting the hall and, on the other hand, reduces the useful height of the latter.
  • the present invention aims to remedy these drawbacks.
  • the invention as characterized in the claims solves the problem of creating a tarpaulin-unblocking device for halls or any other similar structures intended to be completely covered by tarpaulins, comprising a modular set of tarpaulins composed of '' at least two tarpaulins staggered relative to a transverse median plane of this modular assembly, the tarpaulin (s) on one side of the transverse median plane being subjected to a stroke in the opposite direction to that of the tarpaulin (s) other side of this transverse median plane, each of said tarpaulins winding on at least one drum driven by a shaft and unwinding from this drum and comprising their free end connected to driven straps exerting traction on the tarpaulins during their unwinding, each modular assembly comprising on each lateral side, on the one hand, the shaft d drive of the drums and a reel drive shaft on which are
  • Another advantage of the invention consists in that it is possible, for the same covering surface, seen in the direction of the length of the hall or of the structure, to reduce the power of the motors practically by half.
  • the motor must drive all of the tarpaulins while, according to the invention, the motor is only obliged to drive the tarpaulins located on one side of the transverse median plane while the tarpaulins located on the other side of the transverse median plane are driven by the other motor, regardless of the length of the tarpaulin stroke, because once hauled to the top of the hall or structure, the tarps fall on the other side and contribute, by their weight, to the tensile force exerted on the straps in order to obtain the total covering of the hall or structure.
  • the tarpaulin-uncovering device 1 is intended for the installation and automatic removal of a set of tarpaulins 2, 3, 4, 5 ... 21, 31, 41, 51 ... over a hall or structure 6, in particular a metal structure, shown diagrammatically in FIGS. 1 and 2 and comprising two sections 7,8 joining at the ridge 9.
  • the hall or structure 6 consists of several trusses 10, 11 juxtaposed and connected by connecting beams 12, 13 providing the support different tarpaulins when the hall or structure is tarpaulin-covered Therefore, the tarpaulin-uncovering device 1 is, according to the invention, composed of modules 14. One of these modules 14 is shown in FIG. 1.
  • Each module 14 includes tarpaulins 2, 3, 4, 5 ... 21, 31, 41, 51 ... located on either side of a transverse median plane 15.
  • the number of tarpaulins located on one side 16 of the transverse median plane 15 is identical to the number of tarpaulins located on the other side 17 of said transverse median plane 15.
  • the travel 18 of the tarpaulins 2, 3, 4, 5 .. located on the side 16 of the transverse median plane 15 is in the opposite direction to the travel 19 of the tarpaulins 21, 31, 41, 51 ... situated on the side 17 of the transverse median plane 15.
  • Each sheet 2, 3, 4, 5 ... or 21, 31, 41, 51 ... is wound on a drum 20, 21, 22, 23 ... or 201, 211, 221, 231 ... and it is towed by straps 24, 25-26, 27 ... or 241, 251-261, 271 ... secured to the free end 28 of the sheet and is wound on reels 29, 30 - 31 , 32 or 291, 301-311, 321.
  • Said drums 20 to 23 ... or 201 to 231 ... are mounted integrally in rotation on the drive shaft 33,34.
  • the coils 29, 30-31, 32 or 291, 301-311, 321 are mounted integrally in rotation on a drive shaft 35, 36.
  • the drive shaft 33 of the drums 20 to 23 is situated practically in the extension of the drive shaft 36 of the coils 291 to 321, the two shafts 33 and 36, arranged on the side and on the other side of the transverse median plane 15, being parallel to the lateral side 37 of the hall or of the structure 6. It is the same for the drive shafts 34 and 35 parallel to the lateral side 38 of the hall or of the structure 6.
  • two preferably electric motors 39, 40 are provided for each module 14, each of these motors 39, 40, one arranged on the lateral side 37 and the other on the lateral side. 38 of the hall or structure 6, alternately driving the drive shaft of the drums or the drive shaft of the reels.
  • the drums 20-23, 201-231 of the tarpaulins 2-5, 21-51 are arranged in a row on the drive shafts 33, 34 and are separated by guide flanges 41, shown in FIG. 3.
  • These flanges guide 41 integral with the drive shafts 33, 34 or of the hall or of the structure 6, cooperate with rods 42 of the tarpaulins 2-5, 21-51, during the winding of the latter, which has for effect of ensuring a winding without folds tarpaulins.
  • the rods 42 preferably have a certain rigidity and a thickness greater than that of the sheet. Therefore, the latter remains flexible and relaxed in the wound position, which contributes to the feasibility of an automatic winding and without creases.
  • the electric motors 39, 40 actuate, by means of the same motor shaft 43, only one shaft 33, 34 or 35, 36 at a time, the adjacent shaft being disengaged and the corresponding shaft, located on the other lateral side of the hall or structure 6, being freewheeling.
  • Each motor shaft 43 is rotated by one of the electric motors 39, 40 by means of an elastic coupling 44 connecting the motor shaft 43 with the output shaft 45 of said electric motor 39, 40.
  • each drive shaft 43 rotates in bearings 46 secured to the hall or to the structure 6, and comprises two clutches 47 and 48 and two drive pinions 49 and 50 secured in rotation to the drive shaft 43, in particular by keying.
  • said clutches are preferably formed by electromagnetic couplings with teeth, each composed of a part 51 integral with the motor shaft 43, and a movable part 52 integral in rotation with one of the drive pinions 49 or 50, the electromagnetic coupling effect taking place between each parts 51 and 52 of clutches 47 and 48.
  • the shaft 33, 34 for driving the drums 20-23, 201-231 is rotatable in bearings 53 secured to the hall or to the structure 6, and comprises at one of its ends 54 a driven pinion 55.
  • the latter is located opposite the driving pinion 49 of the driving shaft 43, and cooperates with said driving pinion 49 by means of a chain 56.
  • the shaft 35, 36 for driving the coils 29-32, 291-32 mobile is rotatable in bearings 57 integral with the hall or structure 6, and has at one of its ends 58 a driven pinion 59. This is located opposite the motor pinion 50 of the motor shaft 43, and cooperates with said motor pinion 50 by means of a chain 60.
  • the drive shaft 43 actuates the drive shaft 33 for driving the drums 20-23 by means of the electromagnetic coupling 47, of the motor pinion 49, of the chain 56 and of the driven pinion 55, and the tarpaulins 2 to 5 are wound on their drums 20-23 by causing the unwinding of the straps 24-27 and the rotation of the reels 29-32 of the shaft 35 which is in free wheel.
  • the drive shafts 45 actuate the drive shaft 35 of the coils 29-32 by means of the electromagnetic coupling 48, the motor pinion 50, chain 60 and driven pinion 59, and the straps 24-27 are wound on the coils 29-32, causing the tarpaulins 2 to 5 to unwind and pass over the ridge 9 of the hall or of structure 6.

Abstract

A device for covering and uncovering holes or any other similar structures (6) intended to be covered by tarpaulins (2) to (5) and comprising a modulable assembly (14) of tarpaulins comprising at least one tarpaulin (2, 21) on each side (16, 17) of the transverse median plane (15) of this modulable assembly (14), the tarpaulin or tarpaulins (2, 3, 4, 5...) on one side (16) of the transverse median plane (15) following a path (18) in a direction contrary to that (19) of the tarpaulin or tarpaulins (21, 31, 41, 51...) of the other side (17) of this transverse median plane (15), and two motors (39, 40) located, respectively, on each lateral side (37, 38) of the hole or of the structure (6), each of the motors (39, 40) driving, during the covering stage, the set of reels (29, 30, 31, 32) located on one side (16) of the transverse median plane (15) or driving, during the uncovering stage, the set of drums (201, 211, 221, 231) located on the other side (17) of the transverse median plane (15). <IMAGE>

Description

L'invention concerne un dispositif de bâchage-débâchage de halls ou de toutes autres structures analogues destinés à être couverts totalement par des bâches, comprenant un ensemble modulable de bâches composé d'au moins deux bâches disposées en quinconce par rapport à un plan médian transversal de cet ensemble modulable la ou les bâches d'un côté du plan médian transversal étant soumises à une course de sens contraire à celui de la ou des bâches de l'autre côté de ce plan médian transversal, chacune desdites bâches s'enroulant sur au moins un tambour entraîné par un arbre et se déroulant de ce tambour et comportant leur extrémité libre reliée à des sangles entraînées, exerçant une traction sur les bâches lors de leur déroulement.The invention relates to a tarpaulin-unblocking device for halls or any other similar structures intended to be completely covered by tarpaulins, comprising a modular set of tarpaulins composed of at least two tarpaulins staggered relative to a transverse median plane. of this modular assembly the tarpaulin (s) on one side of the transverse median plane being subjected to a stroke in the opposite direction to that of the tarpaulin (s) on the other side of this transverse median plane, each of said tarpaulins winding on at least a drum driven by a shaft and unwinding from this drum and having their free end connected to driven straps, exerting traction on the tarpaulins during their unwinding.

Dans l'état actuel de la technique, on utilise fréquemment, des bâches en matière plastique, kevlar ou autres, pour la couverture temporaire ou amovible de halls, terrains de sport, ou toutes autres structures de construction légère, telles que des structures métalliques ou en bois lamellé collé.In the current state of the art, plastic tarpaulins, Kevlar or the like, are frequently used for the temporary or removable covering of halls, sports grounds, or any other structures of light construction, such as metallic structures or in glued laminated wood.

Ces structures sont le plus souvent constituées par un assemblage de fermes verticales réalisées notamment à l'aide de profilés tubulaires, puis juxtaposées et reliées entre elles par des poutrelles de liaison horizontales.These structures are most often formed by an assembly of vertical trusses produced in particular using tubular profiles, then juxtaposed and connected together by horizontal connecting beams.

Aussi, il suffit pour assurer la couverture temporaire et amovible de la structure, de disposer sur le toit de celle-ci, des bâches que l'on déroule lors de la couverture, puis que l'on enroule à nouveau sur leurs tambours pour découvrir la structure.Also, it is enough to ensure the temporary and removable cover of the structure, to have on the roof of the latter, tarpaulins which are unrolled during the cover, and then rolled up again on their drums to discover the structure.

Lors du débâchage de la structure, il est nécessaire d'enrouler manuellement les différentes bâches successives sur leur tambour respectif, ce qui constitue, en somme, un inconvénient.When uncovering the structure, it is necessary to manually wind the various successive tarpaulins on their respective drum, which is, in short, a drawback.

On connaît déjà, par le document US-A-2.140.220, un dispositif de bâchage comprenant des moyens de recouvrement présentant la forme d'une ceinture ouverture dont un des brins est constitué par la bâche et l'autre brin par les sangles de traction. Les deux extrémités de cette ceinture ouverte, s'enroulant partiellement autour d'un tambour de renvoi, situé au faîte du hall ou de la structure, sont reliées l'une au tambour d'enroulement et de déroulement de la bâche et l'autre aux bobines de déroulement et d'enroulement des sangles de traction. Le tambour et les bobines sont entraînés par un même moteur qui, en fonction de son sens de rotation, entraîne, soit le tambour, soit les bobines. Ainsi, chaque pan de la toiture du hall ou de la structure est couvert par une bâche.We already know, from document US-A-2,140,220, a tarpaulin device comprising covering means having the form of an opening belt of which one of the strands is constituted by the tarpaulin and the other strand by the straps of traction. The two ends of this open belt, partially wrapping around a drum reference, located at the top of the hall or structure, are connected one to the drum for winding and unwinding the tarpaulin and the other to the reels for unwinding and winding the traction straps. The drum and the coils are driven by the same motor which, depending on its direction of rotation, drives either the drum or the coils. Thus, each section of the hall or structure roof is covered by a tarpaulin.

Cependant, au faîte du hall ou de la structure, l'étanchéité n'est pas assurée par les bâches disposées de part et d'autre dudit faîte et il est nécessaire de prévoir des moyens complémentaires pour obtenir ladite étanchéité.However, at the top of the hall or of the structure, the sealing is not ensured by the tarpaulins arranged on either side of said peak and it is necessary to provide additional means to obtain said sealing.

Toutefois, cette dernière est difficilement réalisée et on a préféré remplacer l'utilisation de deux bâches par l'utilisation d'une bâche enjambant le faite et s'étendant d'un côté latéral du hall ou de la structure à l'autre côté latéral. A cet effet, les différentes bâches sont souvent enroulées sur des tambours disposés près du sol le long de la structure, et les extrémités desdites bâches sont reliées à des cordes. Ces cordes passent par-dessus le toit de la structure et leurs extrémités retombent de l'autre côte de celle-ci de façon à permettre le halage des bâches successives par-dessus le toit.However, the latter is difficult to achieve and we preferred to replace the use of two tarpaulins with the use of a tarp spanning the deck and extending from one side of the hall or structure to the other side . To this end, the various tarpaulins are often wound on drums placed close to the ground along the structure, and the ends of said tarpaulins are connected to ropes. These ropes pass over the roof of the structure and their ends fall from the other side of the latter so as to allow the hauling of successive tarpaulins over the roof.

Afin de faciliter le guidage des bâches pendant leur mouvement, celles-ci possèdent souvent des chants latéraux plus rigides pourvus de joncs qui se déplacent dans une rainure prévue à cet effet dans les profilés de la structure.In order to facilitate the guiding of the covers during their movement, they often have more rigid side edges provided with rods which move in a groove provided for this purpose in the profiles of the structure.

On connaît, par ailleurs, par le document NL-A-8.101.484, un dispositif de bâchage et de débâchage d'une serre constituée de plusieurs structures verticales, parallèles entre elles et supportant des gouttières. Entre ces différentes structures verticales s'étend, en outre, une couverture vitrée.We also know from document NL-A-8,101,484, a device for covering and uncovering a greenhouse made up of several vertical structures, parallel to each other and supporting gutters. Between these different vertical structures extends, in addition, a glazed cover.

En fait, le module de base de ce dispositif de bâchage et de débâchage se compose de tambours d'enroulement de bâche disposés en alternance de part et d'autre d'une structure verticale.In fact, the basic module of this tarpaulin and uncovering device consists of tarpaulin winding drums arranged alternately on either side of a vertical structure.

Sur ces tambours d'enroulement sont enroulées des bâches qu'il convient d'étendre au-dessus d'une surface délimitée par deux structures verticales. A cet effet, lesdites bâches sont fixées à leur extrémité libre, à des câbles de traction permettant de les étendre au-dessus de la surface considérée.On these winding drums are rolled up tarpaulins which it is advisable to extend over an area delimited by two vertical structures. To this end, said tarpaulins are fixed at their free end to traction cables making it possible to extend them above the surface in question.

Par ailleurs, les tambours d'enroulement disposés d'un même côté d'une structure verticale sont reliés les uns aux autres au moyen de tronçons d'arbres intermédiaires permettant, ainsi, de les entraîner en rotation par le biais de moyens moteurs communs.Furthermore, the winding drums arranged on the same side of a vertical structure are connected to each other by means of sections of intermediate shafts thus making it possible to drive them in rotation by means of common motor means.

Quant aux câbles de traction, auxquels sont fixées les extrémités libres des bâches précitées, ceux-ci décrivent, grâce à un ensemble de poulies de renvoi, une trajectoire bouclée évitant l'enroulement ou le déroulement desdits câbles sur une quelconque bobine lors du déploiement ou du repliement des bâches. Cette disposition permet, en outre, d'associer à deux câbles de traction, un ensemble de bâches de ce dispositif de bâchage et de débâchage.As for the traction cables, to which the free ends of the aforementioned tarpaulins are fixed, these describe, thanks to a set of deflection pulleys, a looped path avoiding the winding or unwinding of said cables on any reel during deployment or folding up the tarpaulins. This arrangement also makes it possible to associate with two traction cables, a set of tarpaulins for this tarpaulin and uncovering device.

En somme, ce dispositif étant dépourvu de bobines d'enroulement des câbles de traction, oblige d'étendre ces derniers au-dessus de la surface à recouvrir ce qui, d'une part, augmente les difficultés de montage du hall et, d'autre part, réduit la hauteur utile de ce dernier.In short, this device being devoid of coils for winding the traction cables, obliges to extend the latter above the surface to be covered which, on the one hand, increases the difficulties of mounting the hall and, on the other hand, reduces the useful height of the latter.

Ainsi, ces dispositifs de bâchage-débâchage, actuellement connus possèdent plusieurs inconvénients qui constituent un frein pour le développement de ce mode de couverture.Thus, these tarpaulin-uncovering devices, currently known, have several drawbacks which constitute a brake on the development of this method of covering.

La présente invention a pour but de remédier à ces inconvénients. L'invention telle qu'elle est caractérisée dans les revendications, résout le problème consistant à créer un dispositif de bâchage-débâchage de halls ou de toutes autres structures analogues destinés à être couverts totalement par des bâches, comprenant un ensemble modulable de bâches composées d'au moins deux bâches disposées en quinconce par rapport à un plan médian transversal de cet ensemble modulable, la ou les bâches d'un côté du plan médian transversal étant soumises à une course de sens contraire à celui de la ou des bâches de l'autre côté de ce plan médian transversal, chacune desdites bâches s'enroulant sur au moins un tambour entraîné par un arbre et se déroulant de ce tambour et comportant leur extrémité libre reliée à des sangles entraînées exerçant une traction sur les bâches lors de leur déroulement, chaque ensemble modulable comportant de chaque côté latéral, d'une part, l'arbre d'entraînement des tambours et un arbre d'entraînement de bobines sur lesquelles s'enroulent ou desquelles se déroulent les sangles de traction dont une extrémité est reliée à l'extrémité des bâches, ces arbres étant disposés, pratiquement, dans le prolongement l'un de l'autre et, d'autre part, un moteur unique entraînant, en phase de bâchage, l'arbre d'entraînement des bobines situé d'un côté du plan médian transversal dudit ensemble modulable et entraînant, en phase de débâchage, l'arbre d'entraînement des tambours situé de l'autre côté dudit plan médian transversal.The present invention aims to remedy these drawbacks. The invention as characterized in the claims solves the problem of creating a tarpaulin-unblocking device for halls or any other similar structures intended to be completely covered by tarpaulins, comprising a modular set of tarpaulins composed of '' at least two tarpaulins staggered relative to a transverse median plane of this modular assembly, the tarpaulin (s) on one side of the transverse median plane being subjected to a stroke in the opposite direction to that of the tarpaulin (s) other side of this transverse median plane, each of said tarpaulins winding on at least one drum driven by a shaft and unwinding from this drum and comprising their free end connected to driven straps exerting traction on the tarpaulins during their unwinding, each modular assembly comprising on each lateral side, on the one hand, the shaft d drive of the drums and a reel drive shaft on which are wound or from which the traction straps take place, one end of which is connected to the end of the sheets, these shafts being arranged, practically, in the extension of one on the other and, on the other hand, a single motor driving, in the covering phase, the reel drive shaft located on one side of the transverse median plane of said modular assembly and causing, in the uncovering phase, the 'drum drive shaft located on the other side of said transverse median plane.

Les avantages obtenus grâce à cette invention consistent essentiellement en ce que, pour un dispositif modulaire pouvant convenir pour un grand nombre de situations et de dimensions des structures moyennant un minimum d'adaptation, on procède à un bâchage et/ou débâchage automatique de halls ou de toutes autres structures par une manoeuvre simultanée de plusieurs bâches parcourant chacune les deux pans de la toiture en enjambant le faîte et ceci, avec une grande fiabilité de fonctionnement tout en permettant d'éliminer les problèmes d'étanchéité tels qu'indiqués ci-dessus.The advantages obtained thanks to this invention essentially consist in that, for a modular device which can be suitable for a large number of situations and dimensions of the structures with a minimum of adaptation, an automatic tarpaulin and / or unblocking of halls is carried out or of all other structures by a simultaneous operation of several tarpaulins each traversing the two sides of the roof, spanning the ridge and this, with great operating reliability while making it possible to eliminate the sealing problems as indicated above. .

Un autre avantage de l'invention consiste en ce qu'il est possible, pour une même surface de recouvrement, vue dans le sens de la longueur du hall ou de la structure, de diminuer pratiquement de la moitié la puissance des moteurs. En effet, dans le cadre du document US-A-2.140.220, le moteur doit entraîner la totalité des bâches alors que, selon l'invention, le moteur n'est obligé d'entraîner que les bâches situées d'un côté du plan médian transversal alors que les bâches situées de l'autre côté du plan médian transversal sont entraînées par l'autre moteur, peu importe la longueur de la course des bâches, car une fois halées au faîte du hall ou de la structure, les bâches retombent de l'autre côté et contribuent, de par leur poids, à l'effort de traction exercé sur les sangles dans le but d'obtenir le recouvrement total du hall ou de la structure.Another advantage of the invention consists in that it is possible, for the same covering surface, seen in the direction of the length of the hall or of the structure, to reduce the power of the motors practically by half. Indeed, in the context of document US-A-2,140,220, the motor must drive all of the tarpaulins while, according to the invention, the motor is only obliged to drive the tarpaulins located on one side of the transverse median plane while the tarpaulins located on the other side of the transverse median plane are driven by the other motor, regardless of the length of the tarpaulin stroke, because once hauled to the top of the hall or structure, the tarps fall on the other side and contribute, by their weight, to the tensile force exerted on the straps in order to obtain the total covering of the hall or structure.

L'invention est exposée ci-après plus en détail à l'aide de dessins représentant seulement un mode d'exécution.

  • La figure 1 représente une vue en plan d'un hall ou d'une structure métallique pourvue du dispositif de bâchage-débâchage conforme à l'invention, pendant la phase de bâchage.
  • La figure 2 représente une vue en élévation du hall ou de la structure de la figure 1.
  • La figure 3 est une vue en coupe d'un tambour d'enroulement des bâches du dispositif.
  • La figure 4 est une vue partielle en élévation du dispositif de bâchage-débâchage selon l'invention.
  • La figure 5 est une vue en élévation du dispositif de la figure 4, selon une vue V-V.
The invention is set out below in more detail with the aid of drawings representing only one embodiment.
  • FIG. 1 represents a plan view of a hall or of a metal structure provided with the tarpaulin-uncovering device according to the invention, during the tarpaulin phase.
  • FIG. 2 represents an elevation view of the hall or of the structure of FIG. 1.
  • Figure 3 is a sectional view of a drum for winding the sheets of the device.
  • Figure 4 is a partial elevational view of the tarpaulin-uncovering device according to the invention.
  • Figure 5 is an elevational view of the device of Figure 4, according to a view VV.

On se réfère aux figures 1 et 2.We refer to Figures 1 and 2.

Le dispositif de bâchage-débâchage 1, conforme à l'invention, est destiné à la mise en place et à l'enlèvement automatique d'un ensemble de bâches 2, 3, 4, 5... 2₁, 3₁, 4₁, 5₁... par dessus un hall ou une structure 6, notamment métallique, schématisé sur les figures 1 et 2 et comportant deux pans 7,8 se rejoignant au faîte 9.The tarpaulin-uncovering device 1, according to the invention, is intended for the installation and automatic removal of a set of tarpaulins 2, 3, 4, 5 ... 2₁, 3₁, 4₁, 5₁ ... over a hall or structure 6, in particular a metal structure, shown diagrammatically in FIGS. 1 and 2 and comprising two sections 7,8 joining at the ridge 9.

Le hall ou la structure 6 se compose de plusieurs fermes 10, 11 juxtaposées et reliées par des poutrelles de liaison 12, 13 assurant le support des différentes bâches lorsque le hall ou la structure est bâché De ce fait, le dispositif de bâchage-débâchage 1 est, selon l'invention, composé de modules 14. Un de ces modules 14 est représenté dans la figure 1.The hall or structure 6 consists of several trusses 10, 11 juxtaposed and connected by connecting beams 12, 13 providing the support different tarpaulins when the hall or structure is tarpaulin-covered Therefore, the tarpaulin-uncovering device 1 is, according to the invention, composed of modules 14. One of these modules 14 is shown in FIG. 1.

Chaque module 14 comporte des bâches 2, 3, 4, 5... 2₁, 3₁, 4₁, 5₁... situées de part et d'autre d'un plan médian transversal 15. Avantageusement, mais non obligatoire, le nombre de bâches situées d'un côté 16 du plan médian transversal 15 est identique au nombre de bâches situées de l'autre côté 17 dudit plan médian transversal 15. Selon l'invention, la course 18 des bâches 2, 3, 4, 5... situées du côté 16 du plan médian transversal 15 est de sens contraire de la course 19 des bâches 2₁, 3₁, 4₁,5₁... situées du côté 17 du plan médian transversal 15.Each module 14 includes tarpaulins 2, 3, 4, 5 ... 2₁, 3₁, 4₁, 5₁ ... located on either side of a transverse median plane 15. Advantageously, but not compulsory, the number of tarpaulins located on one side 16 of the transverse median plane 15 is identical to the number of tarpaulins located on the other side 17 of said transverse median plane 15. According to the invention, the travel 18 of the tarpaulins 2, 3, 4, 5 .. located on the side 16 of the transverse median plane 15 is in the opposite direction to the travel 19 of the tarpaulins 2₁, 3₁, 4₁, 5₁ ... situated on the side 17 of the transverse median plane 15.

Chaque bâche 2, 3, 4, 5... ou 2₁, 3₁, 4₁, 5₁... s'enroule sur un tambour 20, 21, 22, 23... ou 20₁, 21₁, 22₁, 23₁... et elle est tractée par des sangles 24, 25-26, 27... ou 24₁, 25₁-26₁, 27₁... solidaires de l'extrémité libre 28 de la bâche et s'enroulant sur des bobines 29, 30 - 31, 32 ou 29₁, 30₁-31₁, 32₁.Each sheet 2, 3, 4, 5 ... or 2₁, 3₁, 4₁, 5₁ ... is wound on a drum 20, 21, 22, 23 ... or 20₁, 21₁, 22₁, 23₁ ... and it is towed by straps 24, 25-26, 27 ... or 24₁, 25₁-26₁, 27₁ ... secured to the free end 28 of the sheet and is wound on reels 29, 30 - 31 , 32 or 29₁, 30₁-31₁, 32₁.

Lesdits tambours 20 à 23... ou 20₁ à 23₁... sont montés solidairement en rotation sur l'arbre d'entraînement 33,34. De même, les bobines 29, 30-31, 32 ou 29₁, 30₁-31₁, 32₁ sont montées solidairement en rotation sur un arbre d'entraînement 35, 36.Said drums 20 to 23 ... or 20₁ to 23₁ ... are mounted integrally in rotation on the drive shaft 33,34. Similarly, the coils 29, 30-31, 32 or 29₁, 30₁-31₁, 32₁ are mounted integrally in rotation on a drive shaft 35, 36.

Comme visible dans la figure 1, l'arbre d'entraînement 33 des tambours 20 à 23 est situé pratiquement dans le prolongement de l'arbre d'entraînement 36 des bobines 29₁ à 32₁, les deux arbres 33 et 36, disposés de part et d'autre du plan médian transversal 15, étant parallèles au côté latéral 37 du hall ou de la structure 6. Il en est de même pour les arbres d'entraînement 34 et 35 parallèles au côté latéral 38 du hall ou de la structure 6.As can be seen in FIG. 1, the drive shaft 33 of the drums 20 to 23 is situated practically in the extension of the drive shaft 36 of the coils 29₁ to 32₁, the two shafts 33 and 36, arranged on the side and on the other side of the transverse median plane 15, being parallel to the lateral side 37 of the hall or of the structure 6. It is the same for the drive shafts 34 and 35 parallel to the lateral side 38 of the hall or of the structure 6.

Conformément à l'invention, on prévoit, pour chaque module 14, deux moteurs de préférence électriques 39, 40, chacun de ces moteurs 39, 40, disposés l'un sur le côté latéral 37 et l'autre sur le côté latéral 38 du hall ou de la structure 6, entraînant alternativement l'arbre d'entraînement des tambours ou l'arbre d'entraînement des bobines.According to the invention, two preferably electric motors 39, 40 are provided for each module 14, each of these motors 39, 40, one arranged on the lateral side 37 and the other on the lateral side. 38 of the hall or structure 6, alternately driving the drive shaft of the drums or the drive shaft of the reels.

Les tambours 20-23, 20₁-23₁ des bâches 2-5, 2₁-5₁ sont disposés en enfilade sur les arbres d'entraînement 33, 34 et sont séparés par des flasques de guidage 41, représentés sur la figure 3. Ces flasques de guidage 41, solidaires des arbres d'entraînement 33, 34 ou du hall ou de la structure 6, coopèrent avec des joncs 42 des bâches 2-5, 2₁-5₁, lors de l'enroulement de celle-ci, ce qui a pour effet d'assurer un enroulement sans pli des bâches. Les joncs 42 ont de préférence une certaine rigidité et une épaisseur supérieure à celle de la bâche. De ce fait, cette dernière reste souple et détendue en position enroulée, ce qui contribue à la faisabilité d'un enroulement automatique et sans faux-plis.The drums 20-23, 20₁-23₁ of the tarpaulins 2-5, 2₁-5₁ are arranged in a row on the drive shafts 33, 34 and are separated by guide flanges 41, shown in FIG. 3. These flanges guide 41, integral with the drive shafts 33, 34 or of the hall or of the structure 6, cooperate with rods 42 of the tarpaulins 2-5, 2₁-5₁, during the winding of the latter, which has for effect of ensuring a winding without folds tarpaulins. The rods 42 preferably have a certain rigidity and a thickness greater than that of the sheet. Therefore, the latter remains flexible and relaxed in the wound position, which contributes to the feasibility of an automatic winding and without creases.

On se réfère aux figure 4 et 5.We refer to Figures 4 and 5.

Conformément à l'invention, les moteurs électriques 39, 40 n'actionnent, par l'intermédiaire d'un même arbre moteur 43, qu'un arbre 33, 34 ou 35, 36 à la fois, l'arbre adjacent étant débrayé et l'arbre correspondant, situé de l'autre côté latéral du hall ou de la structure 6, étant en roue libre.According to the invention, the electric motors 39, 40 actuate, by means of the same motor shaft 43, only one shaft 33, 34 or 35, 36 at a time, the adjacent shaft being disengaged and the corresponding shaft, located on the other lateral side of the hall or structure 6, being freewheeling.

Chaque arbre moteur 43 est entraîné en rotation par un des moteurs électriques 39, 40 par l'intermédiaire d'un accouplement élastique 44 reliant l'arbre moteur 43 avec l'arbre de sortie 45 dudit moteur électrique 39, 40.Each motor shaft 43 is rotated by one of the electric motors 39, 40 by means of an elastic coupling 44 connecting the motor shaft 43 with the output shaft 45 of said electric motor 39, 40.

En outre, chaque arbre moteur 43 tourne dans des paliers 46 solidaires du hall ou de la structure 6, et comporte deux embrayages 47 et 48 et deux pignons moteurs 49 et 50 solidaires en rotation de l'arbre moteur 43, notamment par clavetage.In addition, each drive shaft 43 rotates in bearings 46 secured to the hall or to the structure 6, and comprises two clutches 47 and 48 and two drive pinions 49 and 50 secured in rotation to the drive shaft 43, in particular by keying.

Afin de faciliter la commande centralisée des différents embrayages 47 et 48 à partir d'un pupitre de commande (non représenté), lesdits embrayages sont de préférence constitués par des accouplements électromagnétiques à denture, composés chacun d'une partie 51 solidaire de l'arbre moteur 43, et d'une partie mobile 52 solidaire en rotation avec l'un des pignons moteurs 49 ou 50, l'effet d'accouplement électromagnétique ayant lieu entre chaque partie 51 et 52 des embrayages 47 et 48.In order to facilitate the centralized control of the different clutches 47 and 48 from a control console (not shown), said clutches are preferably formed by electromagnetic couplings with teeth, each composed of a part 51 integral with the motor shaft 43, and a movable part 52 integral in rotation with one of the drive pinions 49 or 50, the electromagnetic coupling effect taking place between each parts 51 and 52 of clutches 47 and 48.

Il s'ensuit qu'en fonction de la commande actionnée par l'opérateur à partir d'un pupitre, l'un ou l'autre des pignons moteurs 49 ou 50 de l'arbre moteur 43 sera actionné, et fournira le couple nécessaire à la mise en rotation de l'un des arbres d'entraînement 33, 34 ou 35, 36 du dispositif de bâchage-débâchage 1.It follows that, depending on the command actuated by the operator from a console, one or other of the drive pinions 49 or 50 of the drive shaft 43 will be actuated, and will provide the necessary torque. when one of the drive shafts 33, 34 or 35, 36 is put into rotation of the tarpaulin-uncovering device 1.

L'arbre 33, 34 d'entraînement des tambours 20-23, 20₁-23₁ est mobile en rotation dans des paliers 53 solidaires du hall ou de la structure 6, et comporte à l'une de ses extrémités 54 un pignon mené 55. Ce dernier est situé vis-à-vis du pignon moteur 49 de l'arbre moteur 43, et coopère avec ledit pignon moteur 49 par l'intermédiaire d'une chaîne 56.The shaft 33, 34 for driving the drums 20-23, 20₁-23₁ is rotatable in bearings 53 secured to the hall or to the structure 6, and comprises at one of its ends 54 a driven pinion 55. The latter is located opposite the driving pinion 49 of the driving shaft 43, and cooperates with said driving pinion 49 by means of a chain 56.

De la même manière, l'arbre 35, 36 d'entraînement des bobines 29-32, 29₁-32₁ est mobile en rotation dans des paliers 57 solidaires du hall ou de la structure 6, et comporte à l'une de ses extrémités 58 un pignon mené 59. Celui-ci est situé vis-à-vis du pignon moteur 50 de l'arbre moteur 43, et coopère avec ledit pignon moteur 50 par l'intermédiaire d'une chaîne 60.Likewise, the shaft 35, 36 for driving the coils 29-32, 29₁-32 mobile is rotatable in bearings 57 integral with the hall or structure 6, and has at one of its ends 58 a driven pinion 59. This is located opposite the motor pinion 50 of the motor shaft 43, and cooperates with said motor pinion 50 by means of a chain 60.

Il en résulte que lors du fonctionnement du dispositif de bâchage-débâchage selon l'invention, en phase de débâchage, l'arbre moteur 43 actionne l'arbre 33 d'entraînement des tambours 20-23 par l'intermédiaire de l'accouplement électromagnétique 47, du pignon moteur 49, de la chaîne 56 et du pignon mené 55, et les bâches 2 à 5 s'enroulent sur leurs tambours 20-23 en entraînant le déroulement des sangles 24-27 et la rotation des bobines 29-32 de l'arbre 35 qui lui se trouve en roue libre.It follows that during the operation of the tarpaulin-uncovering device according to the invention, in the uncovering phase, the drive shaft 43 actuates the drive shaft 33 for driving the drums 20-23 by means of the electromagnetic coupling 47, of the motor pinion 49, of the chain 56 and of the driven pinion 55, and the tarpaulins 2 to 5 are wound on their drums 20-23 by causing the unwinding of the straps 24-27 and the rotation of the reels 29-32 of the shaft 35 which is in free wheel.

De la même façon, pour le bâchage du hall ou de la structure 6, les arbres moteurs 45 actionnent l'arbre 35 d'entraînement des bobines 29-32 par l'intermédiaire de l'accouplement électromagnétique 48, du pignon moteur 50, de la chaîne 60 et du pignon mené 59, et les sangles 24-27 s'enroulent sur les bobines 29-32 en entraînant le déroulement des bâches 2 à 5 et leur passage par-dessus le faîte 9 du hall ou de la structure 6.Similarly, for covering the hall or structure 6, the drive shafts 45 actuate the drive shaft 35 of the coils 29-32 by means of the electromagnetic coupling 48, the motor pinion 50, chain 60 and driven pinion 59, and the straps 24-27 are wound on the coils 29-32, causing the tarpaulins 2 to 5 to unwind and pass over the ridge 9 of the hall or of structure 6.

Bien entendu, la détermination dans chaque cas du nombre de bâches pouvant être portées par un même arbre, et par suite le nombre et la répartition des arbres 33, 34 et 35, 36, des tambours 2 à 5, 2₁ à 5₁, des bobines 29 à 32, 29₁ à 32₁, etc..., sont à la portée de l'Homme de Métier.Of course, the determination in each case of the number of tarpaulins that can be carried by the same tree, and consequently the number and distribution of the shafts 33, 34 and 35, 36, drums 2 to 5, 2₁ to 5₁, reels 29 to 32, 29₁ to 32₁, etc ..., are within the reach of the skilled person.

Il est clair que le fonctionnement issu du dispositif 1 de bâchage-débâchage selon l'invention présente l'avantage d'une grande rapidité et facilité d'utilisation. Il peut, en outre, être pourvu de toutes les sécurités nécessaires (relais "fin de course", temporisations, etc...) permettant d'éviter les mises en routes inopportunes, et d'un tableau de commande unique pour la mise en route séparée et successive des différents moteurs 39, 40 et des embrayages 47 et 48.It is clear that the operation from device 1 of tarpaulin-uncovering according to the invention has the advantage of great speed and ease of use. It can, moreover, be provided with all the necessary safety devices ("limit switch" relays, timers, etc.) making it possible to avoid untimely start-ups, and a single control panel for setting separate and successive route of the different engines 39, 40 and clutches 47 and 48.

Claims (6)

1. Device for covering with a tarpaulin and uncovering halls or any other analogous structures (6) intended for being completely covered with tarpaulins (2, 3, 4, 5), comprising a modular set (14) of tarpaulins consisting of a least two tarpaulins (2, 2₁) alternatively arranged with respect to a transversal median plane (15) of this modular set (14), the tarpaulin or tarpaulins (2, 3, 4, 5..) on side (16) of the transversal median plane (15) being subjected to a stroke (18) in a direction opposite to that (19) of the tarpaulin or tarpaulins (2₁, 3₁, 4₁, 5₁..) on the other side (17) of this transversal median (15), each of said tarpaulins (2, 3, 4, 5-2₁, 3₁, 4₁, 5₁) winding up onto at least one drum (20, 21, 22, 23-20₁, 21₁, 22₁, 23₁) driven by a shaft (33, 34) and unwinding from this drum (20, 21, 22, 23-20₁, 21₁, 22₁, 23₁) and having their free end (28) connected to driven belts (24, 25, 26, 27-24₁, 25₁, 26₁, 27₁) exerting a traction onto the tarpaulins (2, 3, 4, 5-2₁, 3₁, 4₁, 5₁) during their unwinding, characterized in that each modular set (14) comprises, on each lateral side (37, 38), on the one hand, the driving shaft (33, 34) for the drums (20, 21, 22, 23-20₁, 21₁, 22₁, 23₁) and a driving shaft (35, 38) for the reels (29, 30, 31, 32-29₁, 30₁, 31₁, 32₁) onto which wind up or from which unwind the traction belts (24, 25, 26, 27-24₁, 25₁, 26₁, 27₁) one end of which is connected to the end (28) of the tarpaulins (2, 3, 4, 5-2₁, 3₁, 4₁, 5₁), these driving shafts (33, 36-34, 35) being practically arranged in the extention of each other and, on the other hand, one single driving motor (39, 40) driving, during the covering, the driving shaft (36, 35) for the reels (29₁, 30₁, 31₁, 32₁-29, 30, 31, 32) located on one side (17, 16) of the transversal median plane (15) of said modular set (14) and driving, during the uncovering, the driving shaft (33, 34) for the drums (20, 21, 22, 23-20₁, 21₁, 22₁, 23₁) located on the other side (16, 17) of said transversal median plane (15).
2. Device for covering with a tarpaulin and uncovering according to claim1, characterized in that several drums (20) to (23) for winding up the tarpaulins (2) to (5) are arranged in a series on a driving shaft (33) and limited by guiding side walls (41) for the tarpaulins (2) to (5) provided with retaining rings (42).
3. Device for covering with a tarpaulin and uncovering according to claim 1, characterized in that a driving shaft (33) for the drums (20) to (23) and a driving shaft (36) for the reels (29₁) to (32₁), located on one and the same lateral side (37) of the hall or structure (6) and practically in the extension of each other, are alternatively actuated in rotation by one and the same driving shaft (43), through two transmissions, each comprised of a driving gear (49, 50) integral in rotation with said driving shaft (43) a driven gear (55, 59) integral in rotation with the driving shahfts (33, 36) and a chain (56, 60).
4. Device for covering with a tarpaulin and uncovering according to claim 3, characterized in that each driving shaft is driven in rotation by the motor (39, 40), through a flexible coupling (44) connecting the driving motor (43) to the output shaft (45) of said motor (39, 40).
5. Device for covering with a tarpaulin and uncovering according to claim 3, characterized in that the driving shaft (43) comprises a first electro-magnetic coupling (47) for driving the driving shaft (33) for the drums (20) to (23), through a driving gear (49) of the chain (56) and the driven gear (54), and a second electro-magnetic coupling (48) for driving the driving shaft (36) for the reels (29₁) to (32₁), through a driving gear (50) of the chain (60) and the driven gear (59).
6. Device for covering with a tarpaulin and uncovering according to claim 1, characterized in that the driving shafts (33, 34) for the drums (20) to (23) and (20₁) to (23₁) and the driving shafts (35, 36) for the reels (29) to (32) and (29₁) to (32₁) are alternatively arranged on each lateral side (37, 38) of the hall or structure (6).
EP86440092A 1985-11-12 1986-10-17 Device for covering and uncovering halls Expired - Lifetime EP0232668B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86440092T ATE62040T1 (en) 1985-11-12 1986-10-17 ROLLING AND ROLLING DEVICE FOR TARPAULIN IN HALLS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8516882A FR2589908B1 (en) 1985-11-12 1985-11-12 DEVICE FOR COVERING AND RELEASING HALLS.
FR8516882 1985-11-12

Publications (2)

Publication Number Publication Date
EP0232668A1 EP0232668A1 (en) 1987-08-19
EP0232668B1 true EP0232668B1 (en) 1991-03-27

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EP86440092A Expired - Lifetime EP0232668B1 (en) 1985-11-12 1986-10-17 Device for covering and uncovering halls

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EP (1) EP0232668B1 (en)
AT (1) ATE62040T1 (en)
DE (1) DE3678422D1 (en)
FR (1) FR2589908B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2126471B1 (en) * 1995-11-29 1999-11-16 Casanova Carlos Hurtado SPHINTER COVER.
CN102619282B (en) * 2011-01-30 2014-05-07 上海太比雅电力设备有限公司 Translation laminated cover plate laying mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140220A (en) * 1938-12-13 colvin
DE2524848A1 (en) * 1975-06-04 1976-12-23 Rudolf Duell Swimming pool venetian blind type cover roller mechanism - with additional conveyor spindles drive adapted to operative unwinding speed
NL8101484A (en) * 1981-03-25 1982-10-18 Priva Handel Bv Protective cloth system for hothouse - comprises lengths of material on rollers unrolling on parallel paths
JPS58127043U (en) * 1982-02-22 1983-08-29 誠和化学株式会社 Winding and rewinding device for film, etc.

Also Published As

Publication number Publication date
EP0232668A1 (en) 1987-08-19
FR2589908B1 (en) 1988-07-22
FR2589908A1 (en) 1987-05-15
ATE62040T1 (en) 1991-04-15
DE3678422D1 (en) 1991-05-02

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