EP2466034B1 - Dispositif de tête de liaison pour le raccordement sur le disque perforé d'un montant ou de couplage de plusieurs montants dotés de disques perforés - Google Patents

Dispositif de tête de liaison pour le raccordement sur le disque perforé d'un montant ou de couplage de plusieurs montants dotés de disques perforés Download PDF

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Publication number
EP2466034B1
EP2466034B1 EP20110179829 EP11179829A EP2466034B1 EP 2466034 B1 EP2466034 B1 EP 2466034B1 EP 20110179829 EP20110179829 EP 20110179829 EP 11179829 A EP11179829 A EP 11179829A EP 2466034 B1 EP2466034 B1 EP 2466034B1
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EP
European Patent Office
Prior art keywords
connecting head
apertured
scaffolding
disc
wedge
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EP20110179829
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German (de)
English (en)
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EP2466034A1 (fr
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Wilhelm Layher Verwaltungs GmbH
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Wilhelm Layher Verwaltungs GmbH
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Publication of EP2466034A1 publication Critical patent/EP2466034A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/08—Clamps for parallelly-arranged members

Definitions

  • the invention relates to a connection head device with three fixedly connected terminal head units, each of which terminal head unit for connection to a LochidenausEnglishept perforated disc of a vertical or scaffolding handle or for coupling a plurality of such perforated discs scaffolding handles is determined, wherein the terminal head unit to one of its front side externally open perforated disc slot for attaching the terminal head unit to the perforated disc and a perpendicular to the perforated disc slot extending, continuous, preferably elongated, in particular designed as a slot, wedge recess for inserting a, preferably captively connected to the terminal head unit, connecting wedge identifies, by means of which the terminal head unit, then it is fitted with its perforated disc slot on the perforated disc, on the perforated disc, preferably also on the scaffold stick, releasably clamping festkeilbar, wherein the perforated disk slots of the terminal head units are arranged in a common, preferably planar, slot plane, and wherein the wedge reces
  • connection head device can be used in particular for coupling together stems of a so-called modular framework.
  • a modular scaffolding system of the Applicant has established itself as the Layher all-round scaffold as a synonym for modular scaffoldings on the market.
  • the Applicant's so-called all-round node has replaced conventional scaffolding technology.
  • the individual Allround scaffold elements can be used to realize applications in a unique range of applications.
  • the designed with round tubes vertical scaffold stems of this modular scaffold are provided according to a certain grid at regular longitudinal intervals, preferably of 50 cm, with so-called perforated discs, which are welded to the stems. These perforated discs are arranged concentrically to the stems and surround the respective stem in the manner of a flange, preferably in full circumference.
  • the perforated disks have a plurality of small and large openings, which are alternately arranged at equal circumferential angles to each other.
  • connecting heads in particular of horizontal and / or diagonal connecting or scaffolding elements, preferably of longitudinal and / or horizontal bars and diagonal bars, can be attached to these openings, preferably up to eight such holding devices or connecting elements.
  • the stems of the Layher Allround modular scaffolding are connected in a horizontal plane with so-called all-round bars.
  • These bars usually have at their two ends in each case a connection head in the form of a so-called wedge head for fastening the latch on the perforated discs of two stems of the stems.
  • These bars are available in different lengths, but the shortest bar has a certain minimum length due to the system-related connection geometry of the wedge heads. This minimum length is 154 mm measured from the stem axis of one stem to the stem axis of the second stem. Since this shortest "bolt" only consists of two connections without a rod pipe adapter, one speaks here of a so-called "double wedge head coupling".
  • Such a "double wedge head coupling" is for example from the FIGS. 1, 2 . 3 and 8 of the DE 299 06 742 U1 or the parallel EP 1 045 088 A1 the applicant have become known from the connection head devices of the type mentioned are also disclosed. Due to the "crooked" dimension of 154 mm, certain constructive problems can arise that users may be confronted with.
  • connection heads of such a modular framework are usually connected as separate components, ie in several parts or in several pieces, to the respective rod-shaped connection element or directly or indirectly to one another by welding.
  • Such connection heads together with perforated discs and connecting elements are for example from the DE-PS 24 49 124 , of the DE 37 02 057 A or the parallel EP 0 276 487 B1 , of the DE 39 34 857 A1 or the parallel EP 0 423 516 B2 , of the DE 198 06 094 A1 or the parallel EP 0 936 327 B1 and the parallel EP 1 452 667 B1 become known to the applicant.
  • a scaffolding tube of a metal tube framework in which the scaffolding tube is provided in one piece and the same material with a molded connection head, for example, from the DE 34 07 425 A1 the applicant.
  • the plan would create an equilateral triangle with an edge length of 154 mm. This in turn would mean that, although in a first axial direction, a stem distance of 154 mm is formed, but that one of a perpendicular to this first axial direction formed second axis direction, a smaller stem distance of only about 133 mm is formed, whereby the grid or system size is destroyed.
  • a first stem is coupled to a second stem via a first "double wedge head clutch” in a first axial direction, while in a vertical axis direction a third stem is coupled to the first stem via a second "double wedge head clutch".
  • this has, inter alia, the disadvantage that for the coupling of three stems two separately to be transported, handled and to be fastened "double wedge head couplings" are required, which is also associated with a correspondingly large material cost and weight and with correspondingly high costs.
  • connection head devices which comprise three connection heads or connection head units, as shown, for example, in FIG EP 1 045 088 A1
  • FIG EP 1 045 088 A1 Although illustrated and disclosed in the claims 4 and 5 there as well as in the associated description parts, it can be reached that only one component is needed per level, but with such "multiple wedge heads” or connection head devices still not certain connection or Coupling solutions are realized.
  • the same or similar applies to all other special connection head devices, which are disclosed in the aforementioned patents.
  • connection head device in particular of the type mentioned above, which can be produced with the least possible outlay on material and costs, and can be easily transported, handled and fastened, which has a comparatively low weight and with which extended stable connection and coupling solutions can be realized on or with at least three stems.
  • connection head device of the type mentioned above in that the wedge recess for the wedge of a third terminal head unit of the terminal head units both to the wedge recess for the connecting wedge of the first terminal head unit and to the wedge recess for the terminal wedge of the second terminal wedge unit an equal angle of 135 degrees (old degree) and that the connection head device is connected by means of three terminal head units to three, preferably with round tubes, in particular at least the same outer diameters formed scaffolding posts, each extending in the direction of their Stielltulsachse and in a direction transverse to their spaced apart longitudinal axes of longitudinally spaced adjacent to each other, wherein each terminal head unit plugged with its perforated disc slot on the respective perforated disc and thereto by means of the respective, by the respective Wedge recess and a respective Lochideausnaturalung the respective perforated disc plugged through connecting wedge is fixed or wedged that the Stiellteilsachse a first scaffold stem of the three scaffolding stems, at the perforated disc
  • connection head device can also be referred to as a "triple clutch” or as a “triple wedge head clutch”.
  • the use of the connection head device according to the invention is advantageously possible wherever it is necessary to work with the distances of a "double wedge head coupling" according to the prior art in two mutually perpendicular directions.
  • connection head device it can be provided that the base center distance and the center distance or that the base length and the height are each less than 250 mm, in particular in each case 154 mm. This makes particularly advantageous especially in the case of the Layher Allround modular scaffold system Implement connection and coupling solutions on or with at least three stems.
  • connection head device may have a core unit with a triangular peripheral structure with three triangular outer sides, to each of which a connection head unit of the three connection head units, preferably by welding, is attached.
  • the core unit is formed with a, in particular with a triangular plate or with two or more, preferably parallel to each other and parallel to the slot plane of the perforated disc slots arranged triangular plates formed, triangular body whose or its triangular outer sides span an isosceles triangle.
  • the third terminal head unit is attached and that on a first leg outside the triangular outer sides of the triangular body, the first terminal head unit is attached and that on a second leg outside of the triangular outer sides of the triangular body, the second terminal head unit is attached.
  • first leg outer side and the second leg outer side are arranged at an angle of 90 degrees (degrees) relative to one another and that the base outside is disposed at a 45 degree angle to both the first leg outside and the second leg outside.
  • connection head device that it is part of an arrangement of four scaffolding stems, which are spaced adjacent to each other in a direction transverse to their parallel Stiell horrsachsen adjacent to each other and each of which at least one perforated disc recesses having perforated disc, preferably by welding, is attached, and wherein the terminal head device forms a first terminal head device, the terminal head units plugged with their respective perforated disc slot on the respective perforated disc and thereto by means of the respective, by the respective wedge recess and a perforated disc recess of the respective Perforated disk plugged through connecting wedge are fixed or wedged, and wherein the first connection head device with its three terminal head units on three perforated disks of these four Scaffolding stems, namely with its first terminal head unit on a perforated disc of a first scaffolding handle, with its second terminal head unit on a perforated disc of a second scaffold and with its third terminal head unit attached
  • the first connection head device and the second connection head device are fastened to the perforated disks of the four stems such that the perforated disk slots of both the three connection head units of the first connection head device and the perforated disk slots of the three connection head units of the second connection head device are arranged in a common slot plane.
  • a possible application example relates to the Auflagerung a so-called all-round bridge girder of the Applicant on double stems or on two stems.
  • a bridge for example, a pedestrian crossing
  • this bridge girder is a truss post, preferably a square tube, in particular with an edge length of 80x80 mm, stored by means of a special support on two all-round stems at a distance of 154 mm in the bridge longitudinal direction.
  • a connecting head for attachment to and for connection to a perforated disc of a handle is welded on each side facing away post sides in such a way that the slot planes whose perforated disc slots are arranged in a common slot plane.
  • these two each connection heads are welded to the same height at the post.
  • Allround stems are attached, which have a distance of 154 mm to the post longitudinal axis. In order for the stems to be able to stand one above the other in the vertical direction, a center distance of 154 mm must be maintained both in the longitudinal and in the transverse direction of the bridge.
  • connection head device or triple coupling according to the invention is particularly advantageously possible with the connection head device or triple coupling according to the invention, so that it is possible to continue building "in the grid" without problem.
  • An embodiment of such a connection configuration or arrangement is the example of FIG. 5 which will be described in more detail in the following description part.
  • the terminal head units or the connection heads of the connection head device according to the invention or the "triple clutch” can each have an upper and a lower head part of a contact part, which is respectively intended to abut against the outer surface of a handle.
  • the connection heads can each be provided with abutment surfaces having abutment wall parts for abutment with the associated handle, wherein preferably each of the upper head part has an upper contact surface and the lower head part has a lower contact surface. It can be provided that the distances of the upper end of the upper contact surface and the lower end of the lower contact surface of the slot in the amount of half the slot width intersecting slot plane are the same size.
  • a wedge opening can be provided for a wedge plug which can be inserted through this wedge opening or through these wedge openings and through one of the openings of the associated perforated disk.
  • one or the slot which is also referred to as a perforated disc slot, can be provided, which is connected to the Contact surfaces of the system part or to the front side of the connection head unit or the connection head is open to the outside.
  • the connection head unit can be plugged onto a perforated disc of the handle and can there, in particular by means of a hammer blow, be releasably wedged.
  • the upper head part and the lower head part of the respective connection head unit or of the respective connection head can preferably be produced in one piece, ie can be made of one piece, in particular of cast steel or malleable cast iron.
  • connection head is formed symmetrically to a plane containing the longitudinal axis of the wedge recess or the wedge recesses or that the connection head connected to a perforated disc of a stem or symmetrically wedged symmetrically to a Stiell bugssachse formed level is formed.
  • connection head is formed, at least in the region of its abutment part intended to rest on a stalk, symmetrically with respect to one or the slot plane intersecting the slot at half the slot width.
  • connection heads may be delimited with side wall parts which may have a wedge-like manner on a center, in particular on a stem and disk center of the associated perforated disk or on the longitudinal axis of the associated stem tapering in the installed state vertical outer or side surfaces, the one . in particular 40 degrees to 50 degrees, preferably about 45 degrees, in particular about 44 degrees, may include wedge angle.
  • connection heads of holding devices or supporting and / or connecting elements in particular horizontally and / or diagonally extending scaffold elements, in particular a modular scaffold, can be connected to each perforated plate, at which at the same time a connection head unit or .
  • a connection head of the connection head device according to the invention or "triple clutch" is connected.
  • the perforated discs may advantageously at least three, preferably at least seven, in particular at least eight also referred to as Lochigneausnaturalung openings for connecting holding devices, in particular for suspending supporting and / or connecting elements, preferably of horizontally and / or diagonally extending scaffolding elements, such as scaffold bars and / or Scaffold diagonals, in particular a modular framework and / or for connection of one or more, possibly further, inventive connecting head devices or "triple clutches" have.
  • each breakthrough or each perforated disk recess may be arranged to form an adjacent opening or to an adjacent perforated disk recess in a same circumferential angle, preferably 45 degrees.
  • This can be in a known manner manifold advantageous connection options and a defined, by a certain angle between each adjacent Breakthroughs achieve predetermined, alignment of the connected to the respective perforated disc body.
  • the openings of the associated perforated disc are of different sizes. At least two, preferably at least four, first openings of the apertures may be larger than a second aperture arranged in each case between two of the larger apertures.
  • the perforated disks can be advantageously designed in a manner known per se, so that in particular a 100% compatibility with the connectable to these perforated disks components of a modular scaffold system, in particular the Layher Allround modular scaffold system is guaranteed.
  • the scaffold stems also referred to as stems or vertical supports, can each be designed with round tubes.
  • These round tubes may have an outer diameter, preferably approximately 48.3 mm. The outer diameter can therefore preferably correspond to a standard framework tube diameter.
  • connection head device 20 shown in the figures; 20.1, 20.2 has three identical connection head units or connection heads 21 firmly connected to each other; 21.1, 21.2, 21.3.
  • Each terminal head unit or each terminal head 21; 21.1, 21.2, 21.3 is welded to a core unit 55 made of metal at certain angles 47, 48, 49 to each other and is also made of metal, preferably made of steel or malleable.
  • the connection head device 20; 20.1, 20.2 can also be referred to as a triple clutch.
  • Each terminal head unit 21; 21.1, 21.2, 21.3 has an attachment to a handle or scaffolding handle 30; 30.1 to 30.4 certain part of the system 24.1 and a piece with this integrally prepared or connected attachment part 24.2, which is welded to the core unit 55.
  • the contact part 24.1 has wedge-like in the direction of a center converging vertical outer surfaces, which enclose an angle of preferably 40 to 50 degrees (Altgrad), in particular about 44 to 45 degrees to each other.
  • Each terminal head unit 21; 21.1, 21.2, 21.3 has an upper head part 22.1 and a lower head part 22.2, between which a perforated disc slot or slot 28 is formed which is closed to the fastening part 24.2 and the end facing away from the core unit 55 end or to the end face 23rd the terminal head unit 21; 21.1, 21.2, 21.3 outwards.
  • the respective slot 28 is delimited by parallel slot surfaces which are arranged at a distance corresponding to one another in the slot width 29.
  • This distance or slot width 29 is slightly larger than the thickness of one in the FIGS. 3 to 5 shown perforated disc 25 of a stem or scaffolding handle 30; 30.1 to 30.4, so that the respective terminal head unit 21; 21.1, 21.2, 21.3 can be plugged with its slot 28 on such a perforated disc 25.
  • Both the upper head part 22.1 and the lower head part 22.2 of each terminal head unit 21; 21.1, 21.2, 21.3 has a part-circular convex shape in a cross-section parallel to the respective perforated disc slot 28 at half its slot width 29 intersecting slot plane 35, wherein the respective radius of the outer radius of a stem or scaffolding handle 30; 30.1 to 30.4, which is designed as a round tube 31.
  • Each terminal head unit 21; 21.1, 21.2, 21.3 has an upper wedge recess 41.1 in its upper head part 22.1 and a lower wedge recess 41.2 in its lower head part 22.2, wherein these wedge recesses 41.1, 41.2 run perpendicular to the perforated disk slot 28 or perpendicular to the slot plane 35.
  • the wedge openings 41.1, 41.2 are each elongated, with their longitudinal axes parallel to a vertical plane of symmetry of the respective connection head 21; 21.1, 21.2, 21.3. This vertical plane of symmetry contains the longitudinal axis 32 of the respectively associated stem 30; 30.1 to 30.4, when the connection head device 20 on the stem 30; 30.1 to 30.4 is mounted.
  • the wedge recesses 41.1, 41.2 are each slot-like or formed as a slot.
  • the upper wedge recess 41.1 is bounded in the longitudinal direction by substantially parallel side wall parts, which have a distance from each other which is slightly greater than the thickness of a connecting wedge 45 which can be inserted through this upper wedge recess 41.1 and also through the lower wedge recess 41.2.
  • the connecting wedge 45 is made made of flat metal.
  • the respective connection wedge 45 has a thickening, preferably designed as a rivet 46, at its lower end in the use or assembly position. This thickening or this rivet serves to ensure that the connecting wedge 45 is captive with the respective connection head unit 21; 21.1, 21.2, 21.3 is connected.
  • the connecting wedge 45 can be pulled upward out of the wedge recesses 41.1, 41.2, but only so far until the thickening or rivet 46 on the inner surface of the horizontal wall part of the system part 24.1 containing the upper wedge recess 41.1 strikes.
  • the connecting wedge 45 serves to connect the connection head unit 21; 21.1, 21.2, 21.3 then, if it is plugged with its perforated disc slot or slot 28 on the perforated disc 25, to be able to wedge releasably clamped on the perforated disc 25.
  • the wedging of the connecting wedge 45 and also the loosening of the connecting wedge 45 can be carried out in the usual way, preferably with the aid of a hammer.
  • connection head units or connection heads 21.1, 21.2, 21.3 are attached to the core unit 55 in such a way that their perforated disk slots 28 are arranged in the common slot plane 35.
  • the connecting wedges 45 or their longitudinal axes or the connection head units 21.1, 21.2, 21.3 are viewed in a plan view of the wedge recesses 41.1, 41.2 or viewed in a direction perpendicular to the common slot plane 35, at a predetermined angle 47, 48, 49 to each other ,
  • the angle 47 between the first connection head unit 21.1 and the second connection head unit 21.2 or between their wedge recesses 41.1, 41.2 is 90 degrees.
  • both the angle 48 between the second terminal head unit 21.2 and the third terminal head unit 21.3 and the angle 49 between the first terminal head unit 21.1 and the third terminal head unit 21.3 each 135 degrees ( FIG. 1 ).
  • connection head device 20; 20.1, 20.2 with the help of their three connection head units or connection heads 21; 21.1, 21.2, 21.3 on three stems 30; 30.1, 30.2, 30.3 and 30.1, 30.2, 30.4 is connected, the Stiellteilsachsen 32 are arranged parallel spaced from each other and when the respective terminal head unit 21; 21.1, 21.2, 21.3 on the respective perforated disc 25 of the respective stem 30; 30.1 to 30.4 and is keyed by means of the respective connecting wedge 45 to the respective perforated disc, the points of intersection 38.1, 38.2, 38.3 of the longitudinal rods 32 of the three stems 30.1, 30.2, 30.3 and 30.1, 30.2, 30.4 engage the slot plane 35 of the perforated disc slots 28 an isosceles triangle 40.
  • This isosceles triangle 40 has a base 51 having a base 51 and a height perpendicular thereto 53, wherein the base length 52 is the same size as the height 53 of the isosceles triangle 40.
  • the base length 52 and the height 53 are 154 mm here in each case.
  • the Stiell horrsachsen 32 a first scaffold post 30.1 of the three scaffolding posts 30, to the perforated disc 25 of which the first connection head unit 21.1 is fastened and the longitudinal axis 32 of a second scaffold post 30.2 of the three scaffold posts 30, to the perforated disc 25 of which the second connection head unit 21.2 is fixed, also referred to as a base center distance first center distance 36 from each other, which is 154 mm here, and wherein the Stiellticiansachse 32 of a third scaffold post 30.3 of the three scaffolding posts 30, at the perforated disc 25, the third terminal head unit 21.3 is attached, both from the Stiellticiansachse 32 of the
  • connecting head units of bar elements can be connected to the respective perforated plate 25 of the first post 30.1 and the second post 30.2 in a known manner.
  • scaffold bars are fastened, after which the respective rod element then projects in the axial direction 74.1 or 74.2 from the connecting head device 20; 20.1, 20.2 away.
  • the first axial distance 36 of the two associated parts 30.1 and 30.2 is 154 mm.
  • connection head devices 20; 20.1, 20.2 can at the small opening 26.1 here of the perforated disc 25 of the third shaft 30.3 in a direction perpendicular to the axial directions 74.1, 74.2 extending axial direction 75.1 another rod element be fastened by means of its connection head element, in a corresponding height 53 corresponding second axial spacing 37, which is the same size as the first axial distance 36, so here is also 154 mm.
  • each perforated disc 25 in a conventional manner a total of eight perforated disc recesses or apertures 26.1, 26.2, viewed in the circumferential direction of the respective perforated disc 25, each spaced at equal circumferential angles 27 are arranged by 45 degrees to each other.
  • four small Lochidenausnaturalept or openings 26.1 and four large Lochidenausnaturalept or openings 26.2 are provided, wherein these are arranged alternately in the circumferential direction. How out FIG.
  • the core unit 55 has a triangular peripheral structure with three triangular outer sides 56.1, 56.2, 56.3, on each of which one of the three terminal head units 21; 21.1, 21.2, 21.3 of the respective connection head device 20; 20.1, 20.2 is fixed by welding.
  • Each core unit 55 is formed here with two mutually perpendicular to the slot plane 35 spaced apart triangular plates 57.1, 57.2 as a triangular body 57.
  • the two triangular plates 57.1 and 57.2 are connected to each other via a hollow profile 73 firmly connected.
  • the triangular outer sides 56.1 56.2, 56.3 of the respective triangular plate 57.1, 57.2 or the triangular body 57 span an isosceles triangle 58.
  • the triangular body 57 has a base outer side 56.3 and two leg outer sides 56.1 and 56.2.
  • the third terminal head unit 21.3 is fastened to the base outer side 56.3
  • the first terminal head unit 21.1 is fastened to the first leg outer side 56.1
  • the second terminal head unit 21.2 is fastened to the second leg outer side 56.2.
  • the first leg outer side 56.1 and the second leg outer side 56.2 are arranged at a 90 degree angle 60 to each other.
  • the base outer side 56.3 includes both the first leg outer side 56.1 and the second leg outer side 56.2 each having a 45 degree angle 61, 62 a.
  • FIG. 5 is an inventive arrangement of at least two inventive same connection head devices or triple clutches 20.1 and 20.2 and four stems 30; 30.1 to 30.4, each of which comprises at least one perforated disc 25.
  • the respective three connection head units or connecting heads 21.1, 21.2, 21.3 of the respective connection head device 20.1, 20.2 are attached to the respective associated perforated disk 25 of the respective handle 30 and there by means of one each by the respective wedge recesses 41.1 and 41.2 and each Lochideausbloodung the Lochidenausappelisme 26.1 , 26.2 inserted connecting wedge 45 wedged.
  • the respective longitudinal axes 32 of the stems 30 extend; 30.1 to 30.4 spaced parallel adjacent to each other. How out Fig.
  • the same or identical second connection head device 20.2 is fastened with its three connection head units 21.1, 21.2, 21.3 to the perforated disks 25 of the frameworks 30.1, 30.2 and 30.4, namely by their first connection head unit 21.1 on the perforated disk 25 of the first framework arm 30.1, whose second connection head unit 21.2 is fastened or wedged to the perforated disc 25 of the second framework arm 30.2 and whose third connection head unit 21.3 is fixed or wedged to the perforated disc 25 of the fourth framework arm 21.4 of the four framework pedestals 30.1 to 30.4.
  • the third connection head unit 21.3 of the first connection head device 20.1 and the third connection head unit 21.3 of the second connection head device 20.2 extend in opposite directions 75.1, 75.2.
  • the axial spacing 36, 71 of the longitudinal axis 32 of the first framework stem 30.1 of the Stiellticiansachse 32 of the second scaffold stem 30.2 half as large as the axial distance 72 of Stiellticiansachse 32 of the third stem 30.3 of the Stiellticiansachse 32 of the fourth stem 30.4.
  • the center distance 72 formed in a direction perpendicular thereto is here twice the respective height 53 or the center distance 36, 71 of 154 mm and is therefore 308 mm.
  • the parallel Stiell horrsachsen 32 of the two stems 30.1 and 30.2 lie in a common plane 76
  • the parallel stem axes 32 of the two other stems 30.3 and 30.4 lie in a plane 76 perpendicular to this plane 77
  • the height 53 corresponding distance of the stem axis 32 of both the stem 30.3 to the plane 76 and the height 53 corresponding distance of the stem axis 32 of the scaffold stem 30.4 of the plane 76 are the same size here and is 154 mm.
  • a conventional scaffold bar with at least one horizontally slotted connection head preferably with two identical horizontally slotted connection heads can be connected in a respective first axial direction 74.1, 74.2 extending direction, while at the perforated disks 25 of the two scaffolding posts 30.3 and 30.4, here again in each case at the respective small perforated disk recess 26.1 of the respective perforated disk 25, in each case another conventional Such Gerüstriegel can be connected so that this scaffold bar or scaffolding bars each imagined in a second axial direction 75.1, 75.2 of the intersection or of the cutting line 78 of the two mutually perpendicular Layers 76 and 77 are each connectable away direction or are, this second axial direction 75.1, 75.2 is formed perpendicular to the respective first axial direction 74.1, 74.2.

Claims (7)

  1. Dispositif de tête de raccordement comportant trois unités de tête de raccordement (21) reliées entre elles de manière fixe, parmi lesquelles chaque unité de tête de raccordement (21) est destinée à être assemblée à un disque perforé (25), muni d'évidements (26.1, 26.2), d'un montant d'échafaudage (30 ; 30.1 à 30.4) et comporte une fente pour disque perforé (28), ouverte vers une face frontale (23) de l'unité de tête de raccordement (21) et destinée à enficher l'unité de tête de raccordement (21) sur le disque perforé (25), et un évidement pour clavette (41.1, 41.2) débouchant, qui s'étend perpendiculairement à la fente pour disque perforé (28) et à travers lequel est enfichée une clavette de raccordement (45), au moyen de laquelle l'unité de tête de raccordement (21), lorsqu'elle est enfichée avec sa fente pour disque perforé (28) sur le disque perforé (25), peut être fixée par serrage de manière amovible sur le disque perforé (25), lesdites fentes pour disque perforé (28) des unités de tête de raccordement (21) étant disposées dans un plan de fente (35) commun, et lesdits évidements pour clavette (41.1, 41.2) pour les clavettes de raccordement (45) étant disposés en formant entre eux un angle (47, 48, 90) prédéfini sur une vue en élévation, et ledit évidement pour clavette (41.1, 41.2) pour la clavette de raccordement (45) d'une première unité de tête de raccordement (21.1) des unités de tête de raccordement (21) et ledit évidement pour clavette (41.1, 41.2) pour la clavette de raccordement (45) d'une deuxième unité de tête de raccordement (21.2) des unités de tête de raccordement (21) étant disposés l'un par rapport à l'autre en formant entre eux un angle (47) de 90 degrés,
    caractérisé
    en ce que l'évidement pour clavette (41.1, 41.2) pour la clavette de raccordement (45) d'une troisième unité de tête de raccordement (21.3) des unités de tête de raccordement (21) forme avec l'évidement pour clavette (41.1, 41.2) pour la clavette de raccordement (45) de la première unité de tête de raccordement (21.1), de même qu'avec l'évidement pour clavette (41.1, 41.2) pour la clavette de raccordement (45) de la deuxième unité de tête de raccordement (21.2) un angle (48, 49) de même valeur, à savoir 135 degrés, et en ce que le dispositif de tête de raccordement (20) est raccordé au moyen des trois unités de tête de raccordement (21.1, 21.2, 21.3) à trois montants d'échafaudage (30.1, 30.2, 30.3), qui s'étendent chacun dans la direction de leur axe longitudinal (32) et qui sont disposés de manière adjacente en étant écartés les uns des autres dans une direction transversale à leurs axes longitudinaux (32) parallèles, chaque unité de tête de raccordement (21.1, 21.2, 21.3) étant enfichée avec sa fente pour disque perforé (28) sur le disque perforé (25) respectif et étant fixée à celui-ci au moyen de la clavette de raccordement (45) respective, enfichée à travers l'évidement pour clavette (41.1, 41.2) respectif et respectivement à travers un évidement (26.1, 26.2) du disque perforé (25) respectif, de telle sorte qu'il existe une distance axiale de base (36) entre l'axe longitudinal (32) d'un premier montant d'échafaudage (30.1) des trois montants d'échafaudage (30), sur le disque perforé (25) duquel est fixée la première unité de tête de raccordement (21.1), et l'axe longitudinal (32) d'un deuxième montant d'échafaudage (30.2) des trois montants d'échafaudage (30), sur le disque perforé (25) duquel est fixée la deuxième unité de tête de raccordement (21.2), et en ce que l'axe longitudinal (32) d'un troisième montant d'échafaudage (30.3) des trois montants d'échafaudage (30), sur le disque perforé (25) duquel est fixée la troisième unité de tête de raccordement (21.3), forme tant avec l'axe longitudinal (32) du premier montant d'échafaudage (30.1) qu'avec l'axe longitudinal (32) du deuxième montant d'échafaudage (30.2) une distance axiale (37) ayant la même valeur que la distance axiale de base (36), considérée par rapport à une direction perpendiculaire à un plan axial (40) contenant l'axe longitudinal (32) du premier montant d'échafaudage (30.1) et l'axe longitudinal (32) du deuxième montant d'échafaudage (30.2).
  2. Dispositif de tête de raccordement selon la revendication 1, caractérisé en ce que la distance axiale de base (36) et la distance axiale (37) mesurent chacune moins de 250 mm, en particulier chacune 154 mm.
  3. Dispositif de tête de raccordement selon la revendication 1 ou 2, caractérisé en ce que ledit dispositif comporte une unité centrale (55) avec une structure périphérique triangulaire avec trois côtés extérieurs en triangle (56.1, 56.2, 56.3) à chacun desquels est fixée, de préférence par soudage, respectivement une unité de tête de raccordement (21.1, 21.2, 21.2) des trois unités de tête de raccordement (21).
  4. Dispositif de tête de raccordement selon la revendication 3, caractérisé en ce que l'unité centrale (55) est configurée avec un corps triangulaire (57), qui est constitué en particulier par une plaque triangulaire (57.1, 57.2) ou par deux ou plus de plaques triangulaires (57.1, 57.2), disposées de préférence parallèlement entre elles et parallèlement au plan (35) des fentes pour disque perforé (28), et dont les côtés extérieurs en triangle (56.1, 56.2, 56.3) déploient un triangle isocèle (58).
  5. Dispositif de tête de raccordement selon la revendication 4, caractérisé en ce que sur un côté extérieur de base (56.3) des côtés extérieurs en triangle du corps triangulaire (57) est fixée la troisième unité de tête de raccordement (21.3), et en ce que sur un premier côté extérieur latéral (56.1) des côtés extérieurs en triangle du corps triangulaire (57) est fixée la première unité de tête de raccordement (21.1), et en ce que sur un deuxième côté extérieur latéral (56.2) des côtés extérieurs en triangle du corps triangulaire (57) est fixée la deuxième unité de tête de raccordement (21.2).
  6. Dispositif de tête de raccordement selon la revendication 5, caractérisé en ce que le premier côté extérieur latéral (56.1) et le deuxième côté extérieur latéral (56.2) sont disposés en formant entre eux un angle (60) de 90 degrés, et en ce que le côté extérieur de base (56.3) est disposé en formant tant avec le premier côté extérieur latéral (56.1) qu'avec le deuxième côté extérieur latéral (56.2) respectivement un angle (61, 62) de 45 degrés chacun.
  7. Dispositif de tête de raccordement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que ledit dispositif est une partie intégrante d'un ensemble (70) de quatre montants d'échafaudage (30.1, 30.2, 30.3, 30.4) qui sont disposés de manière adjacente en étant écartés les uns des autres dans une direction transversale à leurs axes longitudinaux (32) parallèles et contre chacun desquels est fixé, de préférence par soudage, au moins un disque perforé (25) muni d'évidements (26.1, 26.2), et ledit dispositif de tête de raccordement (20) formant un premier dispositif de tête de raccordement (20.1), dont les unités de tête de raccordement (21.1, 21.2, 21.3) sont enfichées avec leur fente pour disque perforé (28) respective sur le disque perforé (25) respectif et sont fixées à celui-ci au moyen de la clavette de raccordement (45) respective, enfichée à travers l'évidement pour clavette (41.1, 41.2) respectif et respectivement à travers un évidement (26.1, 26.2) du disque perforé (25) respectif, et ledit premier dispositif de tête de raccordement (20.1) étant fixé avec ses trois unités de tête de raccordement (21.1, 21.2, 21.3) à trois disques perforés (25) de ces quatre montants d'échafaudage (30.1, 30.2, 30.3, 30.4), à savoir avec sa première unité de tête de raccordement (21.1) à un disque perforé (25) d'un premier montant d'échafaudage (30.1), avec sa deuxième unité de tête de raccordement (21.2) à un disque perforé (25) d'un deuxième montant d'échafaudage (30.2) et avec sa troisième unité de tête de raccordement (21.3) à un disque perforé (25) d'un troisième montant d'échafaudage (30.3), et il est prévu un deuxième dispositif de tête de raccordement (20.2), de préférence identique, selon l'une quelconque des revendications 1 à 6, dont les unités de tête de raccordement (21.1, 21.2, 21.3) avec leur fente pour disque perforé (28) respective sont enfichées sur respectivement un disque perforé (25) de respectivement un montant d'échafaudage (30.1, 30.2, 30.3, 30.4) des quatre montants d'échafaudage (30.1, 30.2, 30.3, 30.4) et y sont fixées au moyen de la clavette de raccordement (45) respective, enfichée à travers l'évidement pour clavette (41.1, 41.2) respectif et respectivement à travers un évidement (26.1, 26.2) du disque perforé (25) respectif, et ledit deuxième dispositif de tête de raccordement (20.2) étant fixé avec ses trois unités de tête de raccordement (21.1, 21.2, 21.3) à trois disques perforés (25) de ces quatre montants d'échafaudage (30.1, 30.2, 30.3, 30.4), de telle sorte que sa première unité de tête de raccordement (21.1) est fixée à un disque perforé (25) du premier montant d'échafaudage (30.1), sa deuxième unité de tête de raccordement (21.2) est fixée à un disque perforé (25) du deuxième montant d'échafaudage (30.2) et sa troisième unité de tête de raccordement (21.3) est fixée à un disque perforé (25) d'un quatrième montant d'échafaudage (30.4) des quatre montants d'échafaudage (30.1, 30.2, 30.3, 30.4), de telle sorte que la troisième unité de tête de raccordement (21.3) du premier dispositif de tête de raccordement (20.1) et la troisième unité de tête de raccordement (21.3) du deuxième dispositif de tête de raccordement (20.2) s'étendent dans des directions opposées, et la distance axiale (36, 71) entre l'axe longitudinal (32) du premier montant d'échafaudage (30.1) et l'axe longitudinal (32) du deuxième montant d'échafaudage (30.2) étant égale à la moitié de la distance axiale (72) entre l'axe longitudinal (32) du troisième montant d'échafaudage (30.3) et l'axe longitudinal (32) du quatrième montant d'échafaudage (30.4).
EP20110179829 2010-12-15 2011-09-02 Dispositif de tête de liaison pour le raccordement sur le disque perforé d'un montant ou de couplage de plusieurs montants dotés de disques perforés Active EP2466034B1 (fr)

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DE202010013128U DE202010013128U1 (de) 2010-12-15 2010-12-15 Anschlusskopfeinrichtung zum Anschluss an einer Lochscheibe eines Gerüststiels bzw. zum Koppeln mehrerer mit Lochscheiben versehenen Gerüststiele

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EP2466034B1 true EP2466034B1 (fr) 2014-05-07

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DE1818218U (de) * 1960-06-25 1960-09-15 Acrow Wolff G M B H Aus profilstaeben bestehender stabverband, insbesondere gitterstuetze, mast, turm od. dgl.
DE2449124C3 (de) 1974-10-16 1980-01-03 Eberhard 7129 Gueglingen Layher Verbindungsvorrichtung für Gerüstelemente
DE3407425A1 (de) 1984-02-29 1985-09-05 Ulrich 7129 Güglingen Layher Metallrohrgeruest
DE3702057A1 (de) 1987-01-24 1988-08-04 Langer Ruth Geb Layher Geruest mit verbindungsvorrichtungen
DE3909809A1 (de) 1989-03-24 1990-09-27 Langer Ruth Geb Layher Lochscheibe fuer verbindungsvorrichtungen fuer geruestelemente
DE3934857A1 (de) 1989-10-19 1991-04-25 Langer Ruth Geb Layher Anschlusskopf fuer geruest
DE19806094A1 (de) 1998-02-14 1999-08-19 Layher W Vermogensverw Gmbh Anordnung von Tragstruktur-Elementen eines Raumtragwerkes
DE29906742U1 (de) 1999-04-15 1999-12-16 Layher W Vermogensverw Gmbh Gerüsttragvorrichtung
DE19946929A1 (de) * 1999-09-30 2001-04-05 Assco Gerueste Gmbh & Co Vorrichtung zur Verbindung zweier benachbarten Gerüststiele
DE20012598U1 (de) 2000-07-18 2000-09-28 Layher W Vermogensverw Gmbh Rohrgerüstsystem

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