EP2390439B1 - Structure modulaire dotée de raccords de verrous de tuyaux rigides en flexion - Google Patents

Structure modulaire dotée de raccords de verrous de tuyaux rigides en flexion Download PDF

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Publication number
EP2390439B1
EP2390439B1 EP11004300.7A EP11004300A EP2390439B1 EP 2390439 B1 EP2390439 B1 EP 2390439B1 EP 11004300 A EP11004300 A EP 11004300A EP 2390439 B1 EP2390439 B1 EP 2390439B1
Authority
EP
European Patent Office
Prior art keywords
vertical
connection
vertical post
scaffold according
case
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.)
Not-in-force
Application number
EP11004300.7A
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German (de)
English (en)
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EP2390439A2 (fr
EP2390439A3 (fr
Inventor
Johannes Weiss
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Individual
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Individual
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Publication of EP2390439A2 publication Critical patent/EP2390439A2/fr
Publication of EP2390439A3 publication Critical patent/EP2390439A3/fr
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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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • 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
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/301—Scaffolding bars or members with non-detachably fixed coupling elements for connecting bars or members which are parallel or in end-to-end 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
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges

Definitions

  • the invention relates to a modular scaffold, consisting of at least one elongated vertical stem made of a metal tube or another hollow profile, in one end of each a hollow coupling profile is inserted, the outer surface rests at least partially on the inner surface of the vertical stem and by connections to the Vertical stem is connected, wherein the compound interrupts the continuous surface of the vertical stem and pushed on each vertical stem at least one disc-shaped connecting plates with a central opening arranged in its center and fixed and the two large disc surfaces are each comprised by the two legs of at least one, about fork-shaped pipe bolt connection , which is connected to an approximately horizontally extending tube bolt and a wedge in each case by a respective wedge opening in the legs and one edge opening in the connection plates is inserted therethrough.
  • scaffolding For the construction of scaffolding describes the patent DE 2449124 , Eberhard Layher, 16.10.1974, a so-called modular scaffolding that consists of vertical stems on which disc-shaped connecting plates are pushed at regular intervals with an opening in its center and fixed by welding. These discs are pierced along their edge by a plurality of openings in which a plurality of horizontal tube bolts are attached.
  • a pipe bolt connection is fastened in both ends of the pipe bolt, which comprises the connecting disk fork-shaped from above and from below and has in its two legs each an opening through which a wedge can be inserted, which also extends through the edge-side opening in the connection disk ,
  • the pipe bolt connection and the wedge is the horizontal Pipe bolt firmly connected to the vertical rod.
  • This compound can transmit tensile and compressive forces acting on the vertical stem in the longitudinal direction of the tube bolt.
  • a scaffold module is assembled into a rectangle, consisting of two vertical stems and at the top and bottom of each a horizontal pipe bolt and if this rectangle is loaded with forces, of which at least a proportion acts in the direction of the horizontal pipe bolt, then deformed Rectangle soon becomes a parallelogram.
  • a scaffold constructed in this way would "fold over" and is therefore not sufficiently stable.
  • the vertical stems are predominantly a section of a metal tube of circular cross-section.
  • this metal tube In the upward-facing end of this metal tube another, very short piece of a metal tube is inserted, which protrudes to one half in the lower vertical stem and is inserted with its other half in the upper vertical stem.
  • both vertical handles thus touch each other with their front edges. Since this surface has to transmit the entire force acting in the vertical direction, in practice it is formed with rather high accuracy as a plane which is aligned perpendicular to the longitudinal axis of the vertical stem. Therefore, this surface can not be used for the formation of a weld for attachment of the coupling profile at the ends of the vertical stems.
  • the pressings when used on cylindrically profiled vertical stems, as well as screws or rivets, the pressings have the disadvantage that the outer surface is no longer a smooth cylinder because of the depressions required for the point compression, so that the connection disks can no longer be fastened at any point of the vertical stalk.
  • the invention has set itself the task, in a modular scaffold, the coupling profiles are secured to connect two adjacent vertical stems by not flush with the outer surface compounds to attach the pipe lock connection to the connection plate that a torque from the pipe bolt on the vertical stem can be transferred.
  • each coupling profile is connected to a vertical stem by two or more compounds in a first group with a respective same distance to the end of the vertical stem and a second group with a respective same, compared to the first group greater distance to Split at the end of the vertical stem and a connecting plate, the second group at least partially covered and rest the ends of the legs of the forked pipe bolt connection outside the first group ofillonverpresseptonne on the vertical stem.
  • the core idea of the invention is to make the two legs of the pipe bolt connection in such a way and to arrange on the vertical handle that they act like a triangular stiffener in the framework composite.
  • the legs thus assume the function of a gusset plate in a structure.
  • a gusset plate is a triangular, flat element, which is in each case firmly connected to a bar at an angle between two intersecting bars at two edges.
  • a connection may e.g. be easily made by welding.
  • one of these two connections must be set by means of a quick and easy detachable connection.
  • the function of a gusset plate at the junction of two vertical stems and a pipe bolt is taken over by the legs of the pipe bolt connection.
  • the permanent connection between the legs and the pipe bolt is ensured by the fact that the pipe block is connected at its end fixed to the center piece of the pipe bolt connection, to which the two legs are integrally formed. Or in another formulation - the two legs are first connected to each other and only in the further course with the tube bolt. Or, in a third view, for the same context: the pipe bolt continues with respect to its static effectiveness into the center piece of the pipe bolt connection.
  • connection of acting as a gusset plate two legs to the pipe bolt is therefore permanent.
  • the connection of the two legs to the vertical stem must be solvable, but still fully loaded in the assembled state.
  • the invention makes up for it to take advantage of the fact that two parts, which rest only on each other, can still transmit a compressive force, as long as it is aligned perpendicular to the joint between these two parts. It should only be noted that the compressive force contains no force component that runs parallel to the joint and thereby causes a "slippage" of the two parts against each other.
  • the "slipping out" of the two legs relative to the vertical style is precluded by the wedge passing through the opening in each leg and through the edge opening of the terminal disk, thereby preventing removal of the pipe bolt terminal from the vertical stem.
  • the downwardly pointing leg of the pipe bolt connection is loaded only when a force acts on the pipe bolt, which wants to push him down.
  • a force is formed which presses the downwardly pointing leg against the vertical stem.
  • the upward-pointing leg of the pipe bolt connection is relieved.
  • connection is a depression with a depression, the front side may find no support, but "hangs in the air.” If the connection is a rivet or a screw and the end of a leg rests on the head, then the other leg of the pipe bolt connection does not stop and "hangs in the air.” Because then one of the two legs no support, the pipe bolt connection can not act as a gusset plate.
  • connection are essential. At least one connection between the vertical stem and the coupling profile is sufficient to prevent the coupling profile from slipping in the longitudinal direction of the vertical stem.
  • the coupling profile must have a lateral clearance relative to the vertical stem in order to be inserted therein, a single, point-like connection would act like the pivot point of a hinge or other articulated connection.
  • a single, point-like connection would act like the pivot point of a hinge or other articulated connection.
  • the invention provides two longitudinally spaced connections.
  • connections are split into two groups.
  • a first group has a small and equal distance for each connection to the end of the vertical stem.
  • the second group of compounds in turn has the same, but significantly greater distance from the end of the vertical stem.
  • the invention calls several alternative embodiments for the connection of vertical stem and coupling profile.
  • the compounds can be in the wall of the vertical stem depressed, inward-facing depressions, which have also pressed into the wall of the coupling profile.
  • These recesses may have different shapes. For example, they may be shaped like a trench or a gutter or a hollow cone or a spherical segment or a ring segment.
  • the shape of a hollow cone or a spherical segment or another, rotationally symmetrical shape is also referred to as point compression, because the forming tool is applied only to a single point.
  • At least one joint may be a rivet or a screw or a spot weld.
  • a rivet or a screw is screwed or inserted into holes in the vertical stem and the coupling profile inserted therein, its head protrudes beyond the surface of the vertical stem. If the center opening of the connection discs is enlarged at this point with a corresponding notch or the diameter of the center opening as a whole is slightly larger, so the connection plates can still slide over the vertical handle. is.
  • the front side of the legs of the pipe bolt connection and the connections to be arranged so that they do not meet each other.
  • the invention thus ensures that one end face always rests outside of the connections on the vertical rod and thereby finds sufficient support.
  • the invention provides that the second group of connections is at least partially covered by the respective uppermost connecting plate of each vertical stem. This ensures that the ends of the legs of the pipe bolt connection can not meet these connections.
  • the front pages must not hit the connections of the first group. Therefore, the distance between the first group of connections and the connection plate must be either greater or smaller than the distance of the front side of the upwardly pointing leg of the pipe bolt connection from the connection plate. In this way, a firm clamping of the legs of the pipe bolt connection between the vertical stem and a pipe bolt attached thereto.
  • the coupling profile is connected only by means of two, mutually longitudinally spaced connections with the vertical stem.
  • the horizontal pipe bolts are usually arranged in a rectangular grid, thus forming an angle of 90 degrees to each other.
  • other angles may be required for the incorporation of irregularly shaped walls.
  • the invention proposes that the edge openings in the connection plates are wider than the wedge. Then, the pipe bolt connection can be wedged with respect to the longitudinal axis of the vertical profiles within a certain angular range with an arbitrary angle with the connection disk.
  • the face of each leg is complementary to the outer surface of the vertical stem formed on which it rests.
  • the face should be a complementary hollow cylinder.
  • the pipe bolt connection with its legs and their end faces is a very important component of a modular scaffolding according to the invention. Its rather complex shape has to be adapted to the connecting plate, the wedge, the tube bar and the profile of the vertical handles. For this purpose, the respective contact surfaces must be made with a certain minimum accuracy.
  • the invention proposes a shaping of the pipe bolt connection made of sheet steel, which is also known and proven for fasteners of scaffolding. It is proposed to form and bend the pipe bolt connection from an elongated rectangle made of sheet steel.
  • the blank must be provided in the middle with a longitudinally extending slot, which later forms the slot between the two legs, which is pushed onto the connecting plate. Above and below the middle of this slot, the two end faces of the legs must be formed.
  • the end faces eg complementary to be formed as a hollow cylinder.
  • the two ends of the elongated steel sheet are each formed into a longitudinally extending profile which is complementary to the interior of the pipe bolt. If the pipe bolt also have a circular interior, the two ends of the elongated steel sheet must each be formed into a channel with a semicircular cross section.
  • these two channel-like profiled sections are angled far enough at the border to the areas already formed in the middle of the steel sheet to the later end face that the edges of the semicircular profiled sections contact each other.
  • the two channel-like sections then together form a piece of pipe which can be pushed into the pipe block.
  • a "leading parapet" can be formed during the construction of the scaffold, ie, when building a scaffold plane, the parapet for the next higher level is already erected from the level below.
  • the construction staff enters the highest scaffolding level at this level To complete the scaffolding, the required parapet is already present.
  • the invention proposes that the module framework consists of standardized, identical vertical stems.
  • the vertical stems of the lowest level of the scaffolding rest on vertical starting pieces, of which the outer ones are extended by a dimension which makes sense for a parapet height and therefore continue to protrude upwards.
  • the outer vertical starting pieces are either designed to be correspondingly long or lengthened with a vertical stem of corresponding dimension.
  • each a standard vertical stem is inserted, at the top of the terminal plate in addition a telescopically adjustable in length parapet with a ring-shaped hook or eye is pivotally mounted.
  • a fitter inserts this vertical stem into a longer vertical hub, the parapet bar hangs down the side of the vertical stem.
  • balustrade can be temporarily connected to the vertical stem by means of an H-shaped plastic clip.
  • This H-shaped clip can be attached with an opening on the vertical handle and takes on the parapet with its other opening.
  • the parapet latch is also hinged with its other end pivotally in the uppermost connecting plate of the next vertical handle. If still another scaffolding section is to be erected, another parapet is hung in this top connecting plate, which later forms the parapet for the next scaffolding section.
  • the vertical stem After attaching the one or both parapet, the vertical stem is raised and placed on the next, higher vertical starting piece. As a result, the parapet of the next scaffold level is formed very early from the first, telescopically adjustable in its length balustrade.
  • the decisive advantage is that it significantly improves the safety of the operating personnel and complies with the relevant regulations.
  • a special, telescopically adjustable in length parapet must be used, which must be provided for connection to the connection plate at both ends with a pivotable connection element. It is suitable, e.g. a ring-segment-shaped hook or eye, which can be suspended in an edge opening of a connection plate and pivoted therein.
  • connection plate As another advantageous variant, the following describes how a connection created by means of point compression, ring-segment-shaped depression, which is largely covered by the connection plate, in addition to the attachment of the connection plate can be used on the vertical stem.
  • connection plate is provided on its circumference with small notches, which are arranged opposite the depressions of the point compression and have approximately the same profile as these depressions. This results in an opening which is formed on the one hand part of the recess of the Nursingverpressung and the other part of the notch in the edge of the central opening.
  • a segment of an imaginary ring is pushed in, the profile of which corresponds to the opening between the connecting disk and vertical stem and whose radius is complementary to the shape of the depression in the longitudinal direction of the vertical stem.
  • the ring segment thus forms a curved bolt, which conforms to the shape of the depression and has approximately the shape of a banana. Due to its curvature, the ring segment blocks any movement of the connection disc relative to the vertical stem. As a result, the welding or other connection of the connection plate with the vertical stem is either additionally supported or even replaced.
  • the ring-segment-shaped connecting element between the connection plate and vertical stem does not fall down again when shaken, it can be provided with beads and projections which protrude beyond its profile and thus on the profile of the opening between the connecting plate and vertical stem and thereby secure the connecting element in position.
  • a pulse is preferably suitable, which moves on a circular arc, which corresponds to the complete imaginary ring, from which the curved connecting element has been mentally cut out. Therefore, the invention proposes for driving the connecting element before a swivel arm whose length corresponds to the aforementioned radius. With such a pivoting arm for guiding the connecting elements and an automation of the introduction is possible.
  • FIG. 1a According to the current state of the art, two vertical handles 1 are shown with their lower and their upper end region, respectively. Within the dotted circle they are connected by a - not visible here - coupling profile 2 with each other. On each of the two shown vertical stalks 1 is ever a thrust washer 3 is pushed. The lower connection disk 3 is arranged in the vicinity of the four visible connections 11, which are designed as point pressings. The "point grouting" in the following is simplicity also provided with the reference numeral "11".
  • the upper point crimping 11 are summarized in a first group 11 a, which has a relatively small distance to the upper end of the vertical stem 1 and the lower Albanyverpressept 11 in a second group 11 b, which has a greater distance from the upper end of the vertical stem 1.
  • FIG. 1b is the in FIG. 1 a marked with dash-dotted line image detail enlarged.
  • the upper vertical stem 1 is donned graphically, so that the therein plugging coupling profile 2 is visible.
  • FIG. 1b is also very easy to see how the tube bolt 5 is firmly connected to the pipe bolt connection 4.
  • the pipe bolt connection 4 consists of the center piece 43 that protrudes only a small amount from the pipe block 5.
  • the two legs 41 are integrally formed thereon. In FIG. 1b is very easy to understand how these two legs 41 surround the connection plate 3 fork-shaped.
  • FIG. 1b the crucial disadvantage of this configuration is very quickly clear: the upper leg 41 of the pipe bolt connection 4 is not with its end face 42 on the vertical stem 1, since at this point a point compression 11 is pressed into the vertical stem 1. As a result, the two end faces 42 are not on the vertical stem 1, but can move relative to this.
  • FIG. 1b is understandable that when applying a pointing in the plane of downward force on the free and in FIG. 1 invisible end of the tubular bolt 5, from which a torque is generated, which acts on the pipe bolt connection 4 and pivots about an axis which extends perpendicular to the wedge 6 through the connection plate 3 therethrough. Because of the disturbed by the point compression 11 contact surface of the end faces 42 of the leg 41, the pipe bolt connection 4 can not resist this torque, so that it actually comes to a pivoting of the pipe bolt 5 relative to the vertical stems 1. The framework is therefore unstable.
  • FIGS. 1 a and 1 b are the same sections of a modular framework shown as in the FIGS. 1 a and 1 b, but with the essential feature of the invention, namely the creation of a complete bearing surface of the end face 42 of both legs 41 of the pipe bolt connection 4.
  • This is achieved by arranging the second group 11 b of the point pressings 11 below the connection disk 3.
  • the connection plate 3 with the walls of its central opening 31 covers the point compression 11 of the second group 11b almost completely.
  • FIG. 2b is very well understood that with a vertical force acting on a - far away - end of the tube bolt 5, this exerts a torque on the tube bolt 4 and itself then the end face of the upper leg with a relatively high force on the vertical stem 1 is pressed.
  • FIG. 2b makes it clear that at a lowering of the pipe bolt 5, instead, the other, downwardly facing leg 41 is supported with its end face 42 on the vertical stem 1. During this phase, the other, upwardly facing leg 41 of the pipe lock connection is relieved.
  • FIG. 3a shows the front side and FIG. 3b the outside of the framework, wherein the "outside" is the side facing away from the wall to be equipped wall of the scaffold.
  • FIG. 3a Shown is the particular embodiment with a "leading parapet”.
  • FIG. 3a the front side of the module frame is reproduced. It stands with its right side shown on the facade to be equipped. The page shown on the left is the "outside”.
  • FIG. 3a can be seen very quickly that the topmost vertical stem 1 protrudes beyond the top level.
  • FIG. 3b can be seen in the external view of the scaffold that for the uppermost scaffold level, a complete balustrade has already been built:
  • the top edge consists of two telescopically extendable parapet 52. Below each is a pipe bar 5 of fixed length with the inventive compound, as in FIG. 2b is shown, connected at both ends with a respective connecting plate 3 on a vertical stem 1.
  • FIGS. 3a and 3b is comprehensible, such as an inventive module framework with the additional property “leading parapet” is being built.
  • the vertical starting pieces 7 are placed on the - not marked here - floor.
  • the building-distant vertical starting pieces 7 are formed as an extended vertical starting piece 71, which in FIG. 3a can be seen on the left edge and FIG. 3b can be seen at the outer front of the module frame shown here in the lower area.
  • a vertical stem 1 can be placed on the extended vertical starting pieces 71, at the top of the terminal plate 3, a telescopically extendable parapet 52 is pivotally mounted. Im - in FIG. 3 not drawn - moment of lifting so the vertical stem 1 and the parapet 52 hanging thereon are aligned approximately parallel.
  • the first vertical stem 1 has been placed in its position on the extended vertical starting piece 71, the still free end of the balustrade bar 52 can be connected to the connecting plate 3 of another vertical stem.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (17)

  1. Echafaudage modulaire consistant en
    • au moins un montant vertical longitudinal (1), à chaque fois constitué d'un tube métallique ou d'un autre profil creux, dans l'une des extrémités duquel est inséré un profil de couplage creux (2),
    • dont la surface extérieure repose au moins en partie sur la surface intérieure du montant vertical (1) et
    • qui est relié au montant vertical (1) par des liaisons (11), sachant que la liaison (11) interrompt la surface traversante du montant vertical (1) et
    • qu'au moins une rondelle de raccordement (3) en forme de disque avec un orifice médian (31) disposé en son milieu est glissée et fixée sur chaque montant vertical (1) et
    • les deux grandes surfaces de rondelles sont chacune entourées par les deux renforts (41) d'au moins un raccordement par verrou tubulaire (4) à peu près en forme de fourche, qui est relié avec un verrou tubulaire suivant un parcours à peu près horizontal (5) et
    • à chaque fois un cône (6), et est enfiché de part en part
    - chacun à travers une ouverture conique (42) et les renforts (41) et
    - chacun à travers une ouverture sur le bord (32) dans les rondelles de raccordement (3),
    - un profil de couplage (2) étant à chaque fois relié à un montant vertical (1) par deux liaisons ou plus (11) qui sont réparties
    - en un premier groupe (11 a) ayant à chaque fois la même distance par rapport à l'extrémité du montant vertical (1) et
    - un deuxième groupe (11 b) ayant à chaque fois la même distance, supérieure à celle du premier groupe, par rapport à l'extrémité du montant vertical (1)
    caractérisé par le fait
    - qu'une rondelle de raccordement (3) recouvre le deuxième groupe (11 b) au moins en partie, et
    - que les faces frontales (42) des renforts (41) du raccordement par verrou tubulaire en forme de fourche (4) en-dehors du premier groupe (11a) des liaisons (11) reposent sur le montant vertical (1).
  2. Echafaudage modulaire selon la revendication 1, caractérisé par le fait que les liaisons (11) sont des renfoncements pressés dans la paroi du montant vertical (1), orientées vers l'intérieur, qui se sont également pressées dans la paroi du profil de couplage (2).
  3. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que les renfoncements ont la forme
    - d'un fossé ou
    - d'une goulotte ou
    - d'un cône creux ou
    - d'un segment sphérique ou
    - d'un segment annulaire.
  4. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait qu'au moins une liaison (11)
    - est un rivet ou
    - une vis ou
    - une soudure ponctuelle.
  5. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que deux liaisons (11) se font à chaque fois face par rapport aux axes médians du montant vertical (1) et du profil de couplage (2).
  6. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que les ouvertures sur les bords (32) en direction de la circonférence des rondelles de raccordement (3) sont plus larges que le cône (6), grâce à quoi chaque raccordement par verrou tubulaire (4) peut être fixé dans une zone angulaire du montant vertical (1).
  7. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que les faces frontales (42) des deux renforts (41) du raccordement par verrou tubulaire (4) ont une forme complémentaire par rapport à la surface extérieure du montant vertical (1) sur lequel elles reposent.
  8. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que la surface extérieure du montant vertical (1) est un cylindre et que la surface frontale (42) des renforts (41) des raccordements par verrou tubulaire (4) est un cylindre creux complémentaire à ce dernier.
  9. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait que le raccordement par verrou tubulaire (4) est formé d'un carré longitudinal en tôle d'acier et est coudé,
    - qui présente au milieu une fente courant dans le sens longitudinal et
    - que les deux faces frontales (42) des renforts (41) sont formées au-dessus et en-dessous du milieu de cette fente et
    - les deux extrémités de la tôle d'acier longitudinale ont chacune la forme d'un profil suivant un parcours longitudinal, qui est complémentaire par rapport à l'espace intérieur du verrou tubulaire suivant (5) et
    - que ces sections en partie profilées sont tellement coudés au bord par rapport aux deux faces frontales (42) que les bords des sections profilées se touchent mutuellement.
  10. Echafaudage modulaire selon une des revendications précédentes, caractérisé par le fait qu'il consiste en montants verticaux (1) standard identiques et que les montant verticaux (1) du niveau inférieur de l'échafaudage reposent sur les pièces de départ verticales (7), depuis lequel les pièces de départ verticales extérieures rallongées (71) dépassent, vers le haut, dans une mesure raisonnable pour une hauteur de garde-corps.
  11. Echafaudage modulaire selon la revendication 10, caractérisé par le fait que, dans une ouverture sur le bord (32) de la rondelle de raccordement supérieure (3) d'un montant vertical (3), un verrou de garde-corps (52) pouvant être modifié de façon télescopique en longueur est accroché de façon pivotable avec un crochet en forme de segment annulaire ou un oeillet ou un autre élément de liaison et est également fixé de façon pivotable avec son autre extrémité dans une ouverture sur le bord (32) de la rondelle de raccordement supérieure (3) d'un autre montant vertical (1) voisin.
  12. Echafaudage modulaire selon la revendication 3, caractérisé par le fait
    - que la surface d'au moins un renfoncement servant de liaison (11) a une forme au moins complémentaire par rapport à un anneau dont l'axe longitudinal suit un parcours perpendiculaire au montant vertical et
    - que, dans les zones situées en face des renfoncements au niveau de l'ouverture médiane (31) de la rondelle de raccordement, des encoches sont réalisées qui ont également une forme complémentaire par rapport audit anneau et
    - qu'un segment réel dudit anneau est inséré en tant qu'élément de liaison entre le renfoncement et les encoches, lequel segment repose à la fois sur la surface du renfoncement et sur la surface de l'encoche.
  13. Echafaudage modulaire selon la revendication 12, caractérisé par le fait que l'élément de liaison présente, sur son bord supérieur,
    - un bourrelet ou
    - des saillies
    qui dépassent par-dessus le profil dudit anneau.
  14. Procédé destiné à l'équipement automatique d'un montant vertical (1) avec des rondelles de raccordement (3) selon les revendications 12 ou 13, caractérisé par le fait
    - qu'une rondelle de raccordement (3) est glissée par-dessus un montant vertical (1) jusqu'à ce qu'un second groupe (11 b) soit recouvert partiellement par des renfoncements en forme de segments annulaires et qu'ensuite
    - un bras pivotable, dont la longueur correspond au rayon dudit anneau, réceptionne un élément de liaison provenant d'un magasin et
    - le presse, par un pivotement, dans un renfoncement du montant vertical (1) et dans l'encoche située sur le bord de l'ouverture médiane (31) de la rondelle de raccordement (3).
  15. Procédé destiné à assembler un échafaudage modulaire selon les revendications 10 ou 11, caractérisé par le fait
    - que dans une première étape, à proximité d'une paroi devant être équipée, au moins deux courtes pièces de départ verticales (7) sont montées dans la même position par rapport à l'axe longitudinal de la paroi, mais aussi deux pièces de départ verticales (71) rallongées avec une plus grande distance par rapport à la paroi - par exemple sur des broches de pied - et
    - que dans une deuxième étape, toutes les pièces de départ verticales (7, 71) sont sécurisées les unes par rapport aux autres - par exemple à travers une liaison avec un cadre tubulaire carré consistant en verrous en U (51) horizontaux et en verrous tubulaires (5) et
    - que dans une troisième étape, un montant vertical (1) est enfiché sur chacune des courtes pièces de départ verticales (7) et
    - que dans une quatrième étape un montant vertical (1) est enfiché sur une des deux pièces de départ verticales rallongées (71), dans la rondelle de raccordement supérieure (3) duquel est accroché un verrou de garde-corps (52) pouvant être modifié de façon télescopique en longueur et
    - que dans une cinquième étape, l'extrémité encore libre du verrou de garde-corps (52) est accroché dans la rondelle de raccordement supérieure (3) d'un autre montant vertical (1) et
    - que dans une sixième étape, ce montant vertical (1) est enfiché dans une pièce de départ verticale rallongée et
    - que dans une septième étape, un autre cadre tubulaire carré est accroché entre les rondelles de raccordement supérieures (3) des montants verticaux (1) situés sur les courtes pièces de départ verticales (7) et les rondelles de raccordement (3) situées à la même hauteur des deux autres montants verticaux (1), un revêtement d'échafaudage (8) étant dressé.
  16. Procédé destiné à assembler un échafaudage modulaire selon la revendication 15, caractérisé par le fait que d'autres sections d'échafaudage avoisinantes ayant la même structure sont assemblées après la dernière étape.
  17. Procédé destiné à assembler un échafaudage modulaire selon la revendication 16, caractérisé par le fait qu'après la dernière étape, un niveau d'échafaudage de hauteur suivante est monté sur un niveau d'échafaudage inférieur, en enfichant à chaque fois un autre montant vertical (1) sur les profils de couplage (2) dépassant vers le haut, sachant que les deux montants verticaux (1) extérieurs, plus éloignés de la paroi devant être équipée, sont chacun reliés de façon pivotable à leur rondelle de raccordement supérieure (3) par un verrou de garde-corps (52) télescopique.
EP11004300.7A 2010-05-26 2011-05-25 Structure modulaire dotée de raccords de verrous de tuyaux rigides en flexion Not-in-force EP2390439B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010021623 DE102010021623A1 (de) 2010-05-26 2010-05-26 Modulgerüst mit biegesteif anliegenden Rohrriegelanschlüssen

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EP2390439A2 EP2390439A2 (fr) 2011-11-30
EP2390439A3 EP2390439A3 (fr) 2014-09-03
EP2390439B1 true EP2390439B1 (fr) 2015-08-19

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TWM454435U (zh) * 2012-11-23 2013-06-01 Yukio Yamane 施工架
CN106917497A (zh) * 2017-04-13 2017-07-04 天津鼎维固模架工程股份有限公司 一种承插盘扣型框式支架
DE102017220696A1 (de) * 2017-11-20 2019-05-23 Peri Gmbh Gerüststiel, Baugerüst und Verfahren zur Herstellung eines Gerüststiels
CN108149909A (zh) * 2018-01-16 2018-06-12 苏州中材建设有限公司 可调式钢管脚手架
DE102018203653A1 (de) * 2018-03-12 2019-09-12 Peri Gmbh Gerüst mit Gerüstriegel und Gerüstelementen sowie ein Verfahren zum Aufbau eines Gerüsts
CN115012638A (zh) * 2022-07-08 2022-09-06 上海外高桥造船有限公司 脚手架
CN115973371A (zh) * 2022-12-03 2023-04-18 江苏速捷模架科技有限公司 一种围护系统施工平台模块的框架立柱单元
CN116220336B (zh) * 2023-04-25 2023-07-21 邢台路桥建设集团有限公司 自锁紧耐用脚手架

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DE2449124C3 (de) 1974-10-16 1980-01-03 Eberhard 7129 Gueglingen Layher Verbindungsvorrichtung für Gerüstelemente
DE9015416U1 (fr) 1990-11-09 1991-01-24 Oesterreichische Doka Schalungstechnik Gesellschaft Mbh, Amstetten, At
DE19850003A1 (de) * 1998-10-29 2000-05-04 Plettac Ag Form- und Kraftschlüssige Verbindung zwischen einem vertikalen Gerüstrohr und einer Haltevorrichtung
DE19859859A1 (de) * 1998-12-23 2000-06-29 Plettac Ag Geschaeftsbereich G Modulgerüstrohr
FR2912476B3 (fr) * 2007-02-12 2009-04-03 Havel Regis Piece d'assemblage pour elements longiformes,et procede de fabrication de cette piece d'assemblage

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EP2390439A2 (fr) 2011-11-30
EP2390439A3 (fr) 2014-09-03

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