EP2643533A2 - Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical - Google Patents

Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical

Info

Publication number
EP2643533A2
EP2643533A2 EP12769883.5A EP12769883A EP2643533A2 EP 2643533 A2 EP2643533 A2 EP 2643533A2 EP 12769883 A EP12769883 A EP 12769883A EP 2643533 A2 EP2643533 A2 EP 2643533A2
Authority
EP
European Patent Office
Prior art keywords
wedge
slot
projection
vertical
head
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.)
Granted
Application number
EP12769883.5A
Other languages
German (de)
English (en)
Other versions
EP2643533B1 (fr
EP2643533B8 (fr
Inventor
Helmut Kreller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilhelm Layher Verwaltungs GmbH
Original Assignee
Wilhelm Layher Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilhelm Layher Verwaltungs GmbH filed Critical Wilhelm Layher Verwaltungs GmbH
Priority to PL12769883T priority Critical patent/PL2643533T3/pl
Publication of EP2643533A2 publication Critical patent/EP2643533A2/fr
Publication of EP2643533B1 publication Critical patent/EP2643533B1/fr
Application granted granted Critical
Publication of EP2643533B8 publication Critical patent/EP2643533B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • 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
    • E04G7/32—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using wedges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/30—Laterally related members connected by latch means, e.g., scaffold connectors

Definitions

  • the invention relates to an arrangement of a scaffold component having a connection head and a vertical scaffolding element extending in the direction of a longitudinal axis, to which a protrusion extending transversely, ie in a transverse direction, away from the longitudinal axis of the scaffold element, ie outwards, is fastened, on which the connection head with the formation of a detachable connection, in particular a connection node, is plugged, wherein the projection has an upper boundary surface and a lower boundary surface, which on both sides ei ⁇ ner imaginary, in particular in the amount of half the verti ⁇ len thickness of the projection extending , Horizontal center plane of the projection extend, and wherein the projection has at least one opening for the passage of a wedge, which is disposed between a transversely inwardly projecting part of the projection and a transversely äuße ⁇ Ren projection part of the projection and which extends vertically between the upper and the lower bounding surface, and wherein the connection head has a
  • the slot is laterally bounded transversely with vertically extending slot surfaces of a slot bottom, and wherein between the upper wedge opening and the lower wedge opening a passage for the wedge is formed, which extends through the upper head part and through the lower head portion extends below the intersection of the slot and which is approximately aligned with the fürbre ⁇ tion of the projection, and wherein the wedge is inserted through the passage and through the opening of the projection, so that the connection head of the scaffold ⁇ component is positively locked with the help of the located in a locking position wedge with the projection GE, said wedge for unlocking the connection head of the projection through the Passage is at least up to over the upper boundary surface of the projection or over the projection is movable, so that then the connection head is removable from the projection, and wherein either already when the wedge is in the locking position or when the Wedge is in the Verriegelungsstel ⁇ ment and the connection head is braced by means of the wedge with the vertical frame member, the upper head part with the upper abutment support surface on the
  • Side of the passage has a, preferably substantially flat, transversely outwardly extending, parallel to the vertical axis extending, vertical, upper wedge support surface for the wedge, and wherein the lower head portion on a transversely inner side of the passage a, preferably substantially flat, transversely outwardly facing, vertical axis extending lower wedge support surface for the wedge, and wherein the wedge has a first wedge leading edge having a, Preferably substantially ebe ⁇ ne, obliquely in the direction of inwards and downwards at an inclination angle to the vertical axis along a sloping axis extending, outwardly facing contact surface which, when the wedge is in the locking position and the connection head with Help of the
  • Wedge is clamped to the vertical frame member and / or when the wedge is in the locking position, only locally, preferably in the region of an upper recess edge of the recess of the projection, in particular point or line, on the vertical
  • Wedge support surface of the outer projecting part is present, and wherein the wedge has a transversely inwardly facing second wedge front edge having a, preferably substantially flat, extending parallel to the vertical axis vertical contact surface, with the vertical upper wedge Support surface of the upper head part and with the vertical lower wedge support surface of the unte ⁇ ren head part such that the vertical Contact surface of the wedge both on the vertical upper wedge support surface of the connection head and on the ver ⁇ tical lower wedge support surface of the connection head, preferably before ⁇ flat, adjacent, relative to both the vertical upper wedge support Surface as well as to the vertical lower wedge support surface, parallel to or along or in the direction of the vertical axis, is displaceable.
  • connection nodes of a modular framework on whose stems in FIG Axial direction in a grid spacing from each other perforated discs are fixed to connect scaffolding components in the form of connection, holding and / or support elements, such as longitudinal bars, crossbar and / or diagonals.
  • a modular framework has been known for many years as the LAYHER Allround scaffolding system.
  • the connection nodes or framework nodes of this modular framework are also known as LAYHER Allround Force Nodes.
  • connection nodes In these connection nodes, a particularly stable, releasable connection between the connection heads having scaffolding components, in particular rod elements, such as scaffolding tube or scaffold bar, and the versehe with the perforated discs ⁇ scaffold stems achieved.
  • Wedge is wedged by a hammer blow from above.
  • the wedge is built into the locking position such that it rests circuit head with its prede ⁇ reindeer, pointing in the direction of the scaffold stem, straight leading edge on corresponding straight inner edges of the check, while the wedge with its rear ⁇ reindeer, from the Scaffold stem pointing away, oblique trailing edge punctiform or horizontal line-shaped abuts a vertically or vertically extending inner edge of an aperture of the perforated disc.
  • connection node or framework node in which a perforated disc made of aluminum is used.
  • the wedge is in its locking position, in contrast to known connection nodes, as for example from the already mentioned DE 24 49 124 AI, EP 0 423 514 A2, EP 0 276 487 A2, DE 198 06 093 and EP 0 936 327 AI go out, installed 180 degrees rotated about its longitudinal axis, so that the facing away from the scaffold stalk radially away, rear or outer vertical wedge-front edge surface on the front or radially outer, vertical inner wall of the recess Perforated disk rests, while the facing towards the scaffolding handle, front or inner wedge-front edge of the wedge, abut against corresponding oblique, rearward or radially outwardly and downwardly inclined inner edges of the connection head.
  • a tubular fastening sleeve is provided, on which a perforated disk extending perpendicularly to the longitudinal axis of the sleeve is welded, which surrounds or surrounds the sleeve in the circumferential direction.
  • a perforated disk extending perpendicularly to the longitudinal axis of the sleeve is welded, which surrounds or surrounds the sleeve in the circumferential direction.
  • the connection head has at its upper head part upper At ⁇ location-supporting surfaces for bearing on the outer surface of the fastening sleeve and at its lower head portion lower investment supporting surfaces for bearing on the outer surface of its mountings ⁇ supply sleeve.
  • the height of the upper abutment support surface above the horizontal center plane of the slot and above the perforated disc or its horizontal center plane is smaller than the height of the lower abutment support surface below the horizontal center plane of the slot and below the perforated disc or their horizontal center plane. Further, the upper abutment support surface is smaller than the lower abutment support surface.
  • connection training for horizontal beam of scaffold floors on scaffoldings has become known, with vertical stems and attached thereto in a grid spacing horizontal perforated discs and it with the help of connecting heads with horizontal disc Slits releasably attached support bars.
  • the connecting heads having support bars as a whole made of light metal.
  • connection head of light metal ⁇ avail ⁇ supply which has suitable, space and material-saving configurations that allow him to weld the material values as possible not influencing the light metal of the U-profile support bar, is provided inter alia
  • Torque transmission ratios with positive bending stress come up or in negative bending stress down.
  • the connection head is supported in this detachable connection, in a locked and clamped with the wedge state, with its provided in the slot bottom inclined inner boundary on the inclined surface point or line on the top of the perforated disc, so in this area accordingly Undefined investment, positioning and leadership conditions and unfavorable Kraftübertragungsver ⁇ conditions exist.
  • the inclined surface of the inclined upper inner boundary of the slot also causes the terminal head to easily slip off the perforated disc when the terminal block provided with the support bar is bent downwardly relative to the stem.
  • Horizontal center plane of the projection are the same size.
  • the outer projection part has a, preferably substantially flat, inwardly facing, vertical wedge support surface for the wedge, which limits the fürbrech ⁇ ung, preferably in the transverse direction, to the outside and which between the upper boundary surface and the lower boundary surface of the projection extends parallel to or along or in the direction of a vertical axis, and that the upper head portion on a transversely inner ren side of the passage one, preferably substantially flat, in the transverse direction outwardly facing, parallel to the vertical axis extending, vertical, upper wedge support surface for the wedge, and that the lower ⁇ head part on a transverse inner side of the passage one, preferably substantially flat, in the transverse ⁇ outward direction pointing, parallel to the vertical ⁇ len axis extending, vertical, lower wedge support surface for the wedge, and that the K eil has a first wedge front edge, the one, preferably substantially planar, obliquely extending in the direction inwards and downwards at an inclination angle to the vertical axis along
  • Support surface parallel to or along or in the direction of the vertical axis, is slidable, it comes when Einschla ⁇ conditions of the wedge to only relatively low Reibungskräf ⁇ th, so that the impact of the wedge comparatively easy, in particular by a hammer blow possible is.
  • Horizontal center plane of the projection and the second Ab ⁇ stand of the lower end of the lower abutment support surface of the lower head portion of the horizontal center plane of Vor ⁇ jump are equal, can equal or symmetrical force and torque transmission ratios and accordingly ⁇ speaking the same static characteristics of the compound at a positive bending stress upward and be achieved at a negative bending stress down. Furthermore, let thereby ver ⁇ real-defined investment, positioning rungs-, management and power transmission ratios. In particular, lateral forces can be better transmitted from the connection head to the projection. In addition, the measures mentioned may conditions are kept particularly low in the connection head.
  • the projection can be "taken along" in bending stresses both down and up well when the connection head having scaffold component, such as a scaffold bar, is bent downwards or upwards, because the projection now both down and up advantageous in the bending can participate in such a way that both downwards and upwards greater bending forces or Moments are transferable than was previously the case.
  • This construction allows a connection node or a compound with better overall static characteristics.
  • the shoulder is the vertical plane containing formed on both sides of the vertical plane and / or that the paragraph extends continuously between upper side wall parts.
  • the paragraph can be made in one piece with the upper side wall parts or connected.
  • connection head is limited with side wall parts which have a wedge-like manner on a Zen ⁇ center , in particular a central axis, tapered vertical outer surfaces.
  • the upper head portion of the connection head can ⁇ having upper vertical outer surfaces of the upper side wall portions, preferably of said side wall parts is limited, the pointing with the downward horizonta- len, upper slot surfaces of the slot can be limited.
  • the lower head part with lower Ver ⁇ tikal lake of lower side wall parts, in particular of said side wall parts to be limited, the pointing with the upward horizontal lower slot surfaces of the slit may be limited.
  • the heel-slot surface of the shoulder opposite to the vertical outer surfaces of the upper side wall parts in an inward direction ie in the interior of the connection head or in the direction of an interior of the connection head, be arranged offset.
  • weight can be saved and it is easier plugging or Aufschie ⁇ ben the connection head in a direction perpendicular to the vertical plane or perpendicular to the transverse direction and perpendicular to the vertical axis or in the tangential direction of the projection possible.
  • connection head in the forward direction or in the radial direction of the projection, for example, because there is no sufficient space available or because the scaffolding component already at his from the An end pointing away ⁇ end, in particular by means of a second connection head and a second wedge already on a projection of another vertical structural element by means of the inserted through the opening second
  • Wedge is fixed such that the frame member is pivotable in a horizontal plane relative to the projection.
  • the heel-slot surface of the shoulder can be arranged offset in relation to the horizontal upper slot surfaces of the upper side wall parts in the direction inwards, ie in the interior of the connection head.
  • the heel can be provided with lateral insertion bevels. These can each be seen ver ⁇ with an inclined surface, which extends from the horizontal paragraph slot surface of the paragraph obliquely upward and laterally to the respective vertical outer surface of the respective upper side wall portion.
  • the paragraph is provided with a front insertion bevel.
  • This may be provided with an inclined surface which extends from the horizontal paragraph slot surface of the paragraph obliquely forward or inward and upward.
  • connection head with its horizontal slot on the projection or the insertion of the projection into the horizontal slot of the connection head.
  • the aforementioned inclined surfaces may be one, preferably about 10 to 30 degrees, in particular about 20 degrees amount
  • the heel-slot surface of the paragraph, with which it is supported in the Abstützla ⁇ ge area on the upper boundary surface of the projection, parallel to the horizontal center plane of the Projection and / or parallel to the horizontal center plane of the slot extends. This can be realized especially before ⁇ some exemplary positioning and orientation conditions over a long period of use.
  • the projection is plate-shaped or disc-shaped and / or the upper boundary surface and the lower boundary surface of the projection parallel to each other, preferably substantially flat, be formed.
  • This allows a simple plugging of the connection head on the projection and a simple removal of the connection head of the projection and it can in a cost effective manner, with low weight, very particularly advantageous Kunststoffsmög- possibilities and favorable power and torque transmission ratios be achieved.
  • the horizontal upper slit surfaces of the upper head part and the horizontal lower slit surfaces of the lower head part in a first slot height corresponding distance, parallel to each other, on both sides of the horizontal center plane of the slot he ⁇ stretch, the to each of said horizontal slit surfaces has a spacing substantially equal to half the first slit height, and the first distance of the upper end of the upper abutment support surface of the upper head portion from the horizontal center plane of the slit and the second distance of the lower end of the lower abutment Support surface of the lower head portion of the horizontal center plane of the slot are the same size.
  • a computational design of the connection head or the connection node can be further simplified.
  • the horizontal center plane of the slot and the horizontal center plane of the projection in the Ab ⁇ support layer substantially coincide and form a common plane.
  • This can be achieved advantages another verb ⁇ provement in the sense of the foregoing.
  • the upper abutment support surface of the upper head part and the lower abutment support surface of the lower head part are the same size. In this way, particularly favorable force and torque transmission ratios can be realized, whereby substantially identical static characteristic values of the connection can be achieved both with positive and with negative bending stress.
  • a further improvement in terms of the above advantages can be achieved if the upper abutment support surface of the upper head portion and the lower abutment support surface of the lower head portion symmetrical to the horizontal center plane of the projection and / or symmetrical to the horizontal Mitten plane of the slot are formed.
  • the directional indication "backwards” means a direction transversely, in particular radially, to the longitudinal axis of the vertical framework element, away therefrom or opposite to the direction of attachment, in which the connection head projects with its abutment support surfaces
  • the directional indication "forward” means a direction transversely, in particular radially, with respect to the longitudinal axis of the vertical structural element, towards the latter or in the opening direction, in which the connection head with its plant support surfaces ahead, with its slot is plugged onto the projection.
  • the directional indication ⁇ "outwardly” a direction transverse, ie in a transverse direction, meaning to the longitudinal axis of the frame element away from it.
  • the scaffolding part may be a rod member to act ⁇ particular a scaffolding tube and / or a scaffold bar or a console.
  • the scaffolding component can be provided with at least two connection heads, which can be designed the same or different.
  • the connection heads may be provided at mutually away facing ends of the frame member.
  • the scaffolding component may be provided with a profile, for example with 0 or U cross-section, with a
  • the vertical structural element can be a, preferably cylindrical, scaffolding tube, in particular a circular cylindrical circular tube.
  • the vertical scaffolding element can be a component, for example a sleeve or a tubular part, which can be fastened to a scaffold post or stand.
  • the vertical scaffolding element can be a scaffold post or stand or a frame constructed or formed therefrom, for example setting frames or façade frames.
  • the projection may extend perpendicularly and / or radially to the longitudinal axis of the vertical framework element.
  • the projection may partially or completely embrace the vertical framework element.
  • the projection may be a rosette, preferably a perforated disc.
  • This can be provided in a known manner with a plurality of recesses, in particular in the form of through holes. These can in turn be arranged at equal circumferential angles, preferably of 45 degrees, at a distance from each other.
  • small and large recesses may be provided in a likewise known manner, which may preferably be arranged alternately in the circumferential direction.
  • the scaffold component and / or the connection head and / or the scaffold element and / or the protrusion and / or the wedge preferably consist of or consist of metal.
  • the connection head may preferably consist of malleable cast iron, cast steel or aluminum.
  • the scaffold component and / or the scaffold element and / or the projection and / or the wedge may or may consist of steel, in particular of galvanized steel or of aluminum. According to a particularly preferred combination, it may be provided that the projection and the vertical frame member and the wedge, preferably of galvanized steel and in that the connection head made of cast steel or cast Temper ⁇ exist.
  • the terminal head may be bounded with side wall parts which have wedge-like on a center-facing vertical outer surfaces.
  • the vertical outer surfaces may include a wedge angle, preferably 40 to 50 degrees, more preferably about 43 to 46 degrees, preferably about 44 degrees or 45 degrees.
  • the connection head can have a connection part which is firmly connected to the framework component.
  • the slot of the connection head may preferably extend to the connection part.
  • connection head is delimited by side wall parts which have wedge-like vertical outer surfaces tapering towards a center
  • the slot can not only be open to the contact support surfaces or to the contact side, ie to the front, but also be open to the vertical outer surfaces.
  • the wedge is made of flat material and has a substantially constant wedge thickness.
  • the wedge is captively connected to the connection head.
  • the wedge in the region of one of its wedge ends or in the region of its two wedge ends or on a wedge end or on both wedge ends, be provided with or in each case with a captive. This can be formed with a thickening.
  • a captive can be provided a pin or a rivet.
  • the wedge may consist of flat material in a known manner and may be provided at its lower wedge end with a rivet which can protrude with at least one rivet head laterally or transversely over the flat material of the wedge.
  • the upper wedge opening can be designed as a longitudinal slot extending from the rear to the front, in particular containing the vertical plane .
  • the wedge opening or the longitudinal slot may have parallel slot walls which may extend on either side of the vertical plane.
  • the slot walls may have a slot width corresponding distance from each other. This distance or the slot width is preferred only slightly larger than the wedge thickness of the wedge, so that the wedge is then guided with only a slight lateral play in the wedge opening.
  • the connection head and the frame component can be connected in several parts or in one piece.
  • the scaffold component and the connection head can be produced in one piece or in one piece.
  • the connection head can be molded onto the frame component.
  • connection head At least two of the subsequent parts of the connection head, if present, can be made in one piece or in any combination: the upper head part, the lower head part, the abutment part, the connection part, the wedge support body, the heel and / or wedge-pivot abutment.
  • connection head of the invention with an inventive wedge to form an assembly of the invention or releasably connecting a particularly advantageous method for fastening may of at least one connection head having scaffolding ⁇ implemented partly on a vertical scaffolding element ⁇ to which as well as a scaffolding part is at least one connection head subject of a German patent application of the same patent applicant with the title "scaffolding part with at least one connection head and method for Fixed to ⁇ supply of at least one connection head having Ge ⁇ rüstbauteils to a vertical scaffolding element", which at the same filing date as the present here patent applica ⁇ dung at the German Patent and trademark Office filed wor ⁇ the content of this German patent application is at this point for convenience and to avoid.
  • Fig. 1 a portion of a scaffold with invention shown SEN arrangements or scaffolding components in a construction phase in which a standing in a secured position on a scaffold floor installer is just about to an inventive scaffolding part in the form of a frame bar, to form a leading railing, with attach one of its connecting heads according to the invention to a perforated disc of a scaffold post;
  • FIG. 2 is an enlarged plan view of a erfindungsge ⁇ Permitted arrangement of scaffolding parts according to the invention with a partial section of a scaffold also called vertical scaffold ⁇ element, along the section lines 2-2 in Fig. 1.
  • FIG. 4 an enlarged longitudinal section of the Anschlußkop ⁇ fes along the section lines 6-6 in Figures 10 and 14; an arrangement containing the scaffold component and a vertical scaffold ⁇ element in the form of a perforated disk verse ⁇ Henen scaffolding handle, wherein an end portion of the scaffolding component is shown in a horizontal starting position, starting from which the scaffold component with its on ⁇ closing head and the slot ahead, radially is attachable to a designated also as a projection of the orifice plate shown with a stem portion scaffold ⁇ stem, wherein the wedge from ⁇ supported with its lower end of a wedge to wedge supporting surfaces of a wedge-supporting base above the slot; Figs. 8 to 15
  • connection head 8 shows a view of the connection head obliquely from the front, the right and the top
  • connection head 9 shows a view of the connection head obliquely from behind ⁇ th, right and above,
  • connection head 10 shows a front view of the connection head
  • connection head 11 shows a rear or rear view of the connection head
  • connection head 12 shows a side view of the connection head from the right
  • FIG. 13 shows the connection head according to FIG. 10 in a cross section along the section lines 13-13 in FIGS. 12 and 14, FIG.
  • Fig. 14 is a top view of the terminal head; and Fig. 15 is a bottom view of the terminal head;
  • Fig. 16 is a side view of a wedge according to the invention.
  • FIG. 1 shows a section of a scaffold 40, which is also referred to as a modular scaffold.
  • the framework 40 is constructed from ver tical ⁇ stems 41st
  • the stems 41 form Vertika ⁇ le scaffolding elements.
  • Each stem 41 extends vertically along a substantially straight longitudinal axis 47, thus forming a substantially straight bar element 41.
  • the stems 41 are made of metal, preferably steel. However, the stems can also consist of light metal, in particular aluminum or aluminum alloys.
  • the stems are made of metal, preferably steel. However, the stems can also consist of light metal, in particular aluminum or aluminum alloys.
  • Each stem 41 are made of round tubes 46.
  • the round tubes 46 have a substantially cylindrical outer cross section substantially over their entire effective length.
  • Each stem 41 has at one of its free ends, preferably at its upper end, a pipe connector.
  • Outer diameter of the pipe connector is slightly smaller than the inner diameter of the stem tube at the other end facing away from the pipe connector 41, so that on the pipe connector of a stem 41, a further handle 41 can be plugged. In this way, the scaffold can be plugged.
  • grid spacing 43 beabstand ⁇ stands more connecting elements in the form of rosettes or perforated discs 44, preferably by welding Attached to there scaffolding components 45 in the form of connection, holding and / or supporting elements, for example, longitudinal latch 45, crossbar and / or diagonals to connect.
  • scaffolding floors 269 can be attached.
  • framework fields 270.1, 270.2 can be set up.
  • An installer 265 can assemble a scaffolding component 45 according to the invention from a position 266 secured against falling down.
  • a leading railing 267 in the form of a hip or back railing 268 can be realized.
  • the perforated discs 44 surround the stems 41 in full, but can only partially embrace the stems 41.
  • the perforated discs 44 forming a projection extend transversely, ie in the transverse direction 118, to the longitudinal axis 47 of the stem 41 from the outer surface 54 of the stem 41 to the outside 52.
  • the perforated discs 44 are formed with upper and lower boundary surfaces 48, 49 which are parallel to ⁇ each other extending and are substantially planar. Accordingly, 44 have the perforated disks to a constant in Wesentli ⁇ chen perforated disc thickness 50th
  • the perforated disc thickness ⁇ 50 is preferably about 9 mm, in particular when the perforated disc 44 is made of steel. However, the perforated disc thickness 50 may also be slightly larger, for example, be about 10 mm, in particular if the perforated disc 44 made of light metal, for example aluminum.
  • the boundary surfaces 48, 49 of the perforated disc 44 are formed pa ⁇ rallel to an imaginary center plane 51 of the perforated disc 44, which the perforated disc 44, viewed in the vertical direction or in the thickness direction 42, at the level of
  • Each perforated disc 44 extends in a direction 52 perpendicular to the longitudinal axis 47 of the stem 41 from the outer surface 54 of the stem 41 radially outward 52 away from it. Accordingly, the center plane 51 of the perforated disc 44 is normal to the longitudinal axis 47 of the stem.
  • Each perforated disc 44 is provided in a conventional manner with a plurality of through-holes 55, which are also designated with openings 55. This means that each of these through holes 55 is completely bounded laterally by wall parts of the perforated disc 44.
  • Each through hole 55 extends in ver ⁇ tical direction 42 between the formed on the top 57 of the perforated disc 44 upper boundary surface 48th and the lower boundary surface 49 on the underside 58 of the perforated disc 44.
  • the through holes 55 are arranged in a known manner in each case equal circumferential angles 59 of 45 degrees from each other.
  • small and large openings are also provided.
  • the perforated disks 44 are preferably made of steel, but may also consist of light metal, in particular of aluminum or aluminum alloys.
  • the framework 40 shown in the figures is constructed with erfindungsge ⁇ MAESSEN scaffold components 45 in the form of longitudinal bars 45 and transverse bars, as well as diagonal, where, in the
  • the scaffolding crucibles 45 according to the invention each have at their ends 56.1, 56.2 pointing away from each other a connecting head 61 according to the invention, by means of which the scaffold crucible 45 can be fastened to a respectively assigned perforated disc 44.
  • each connection head 61 has a wedge 62 which is captively connected to the connection head 61, by means of which the respective one
  • connection head 61 on a corresponding perforated disc 44 is fest ⁇ keilbar.
  • the connection heads 61 can be at a Stabele ⁇ ment 53 of the framework construction made as a bolt 45 separately be attached parts.
  • the scaffold bars 45 shown in the figures are multi-part or made of several parts Herge ⁇ , namely each of two connection heads 61 and a rod member 53.
  • the invention is not insbesonde ⁇ re not limited to, rod elements, on such rod members.
  • other profiles for example U-profiles, can be used as rod elements.
  • Stabele ⁇ elements 53 connecting heads of the invention may be 61 secured to other components.
  • a framework component 45 according to the invention can also be a console with one or more connection heads according to the invention.
  • the round tube 78 is welded as usual with the respective connection head 61.
  • an inventive connection head can also be fastened in other ways to a component of the erfindungsge ⁇ MAESSEN scaffolding part.
  • an inventive scaffolding part with we ⁇ a connection head according to the invention can also be produced ITAs eintei ⁇ lig.
  • connection head 61 has a contact part 63 and a connection part 64.
  • the connection part 64 is fixed, preferably by welding, connected to the round tube 78.
  • the plant part 63 has plant support surfaces 65.1, 65.2 having plant wall parts 63.1, 63.2 for abutment with the corresponding outer surfaces 54 of the stem 41. These plant support surfaces 65.1, 65.2 are, in a horizontal section parallel to the middle plane 68 of the slot 67th rounded concave with a radius 69 corresponding to the outer radius 70 of the round tube 46 of the stem 41.
  • connection head 61 is delimited by side wall parts 71.1 to 71.4, which in the direction of the front 79 have a wedge-like manner on a center or on a central axis 91 tapered Verti ⁇ kalau hit moral 72.1 to 72.4.
  • the vertical outer surfaces 72.1 to 72.4 include a wedge angle 73, preferably about 44 degrees or 45 degrees.
  • the abutment part 63 comprises an upper head part 74 and a lower head part 75.
  • the upper head part 74 has an upper abutment support surface 65.1 of the abutment support surfaces 65.1, 65.2 for abutment with a corresponding upper outer surface 76.1 of one above the projection 44 extending stem portion 77.1 of the stem 41.
  • the lower head part 75 has a lower abutment support surface 65.2 of the abutment support surfaces 65.1, 65.2 for abutment with a corresponding lower outer surface 76.2 of a stalk part 77.2 of the stem extending below the protrusion 44
  • the upper head part 74 has an upper wedge opening 80 and the lower head part 75 has a lower wedge opening 81, for the wedge 62 which can be inserted through the wedge openings 80, 81.
  • Slot 67 is arranged, with which the connection head 61 can be plugged onto the perforated disc 44 or plugged. Of the Slot 67 extends in the rearward direction, preferably to the connection part 64.
  • a wedge receiving space 84 also referred to as passage 84, for the wedge 62 is formed, which extends through the upper head part 80 and through the lower head part 81, crossing the slot 67.
  • the Keilauf ⁇ receiving space 84 and the passage 84 is 79 forward by the plant-wall part 63.1 of the upper head portion 74 and the
  • Abutment 86 limits, which will be discussed in more detail below.
  • the passage 84 or the wedge receiving space 84 is in through-connection with an opening 82 in the connection part 64. This in turn is in through-connection with the interior 87 of the round tube 78.
  • the opening has a, preferably about 22.5 mm amount, inner diameter 289.
  • the connection head 61 has a maximum width 290 in the area of a transition from the installation part 63 to the connection part 64. This may preferably be about 48 to 49 mm.
  • connection head 61 When the connection head 61 is completely plugged with its slot 67 on the perforated disc 44 and when the wedge 62 is inserted through the passage 84 and through an opening 55.1 of the apertures 55.1, 55.2 of the perforated disc 41, so that the connection head 61 of the Gerüstriegels 45 with the Orifice plate 44 is positively locked in a locking position 88 of the wedge 62, the upper wedge opener tion 80 of the upper head portion 74 and the lower wedge opening 81 of the lower head portion 75 approximately with this opening 55.1.
  • the wedge 62 can be moved or pulled up to above the upper boundary surface 48 of the Lochschei ⁇ be 44 for unlocking the locked with the perforated disk 44 connecting head 61 of the perforated disk 44 through the passage 84 and through the wedge opening 55.1 upwards so that then the connection head 61 of the projection 44 removable, that is separately handled separately.
  • connection head 61 is designed symmetrically to an imaginary vertical plane of symmetry 90, which is formed perpendicular to the imaginary horizontal center plane 68 of the slot 67 from ⁇ .
  • the vertical plane of symmetry 90 contains the imaginary vertical central axis 91, in which the vertical planes 92.1, 92.2, spanned by the vertical outer surfaces 72.1 to 72.4 of the side wall parts 71.1 to 71.4 of the connection head 61, intersect in front of the connection head 61.
  • the vertical symmetry is ⁇ trie plane 90 also contains the longitudinal axis 94 of the round tube 78 of the scaffolding member 45 and frame bolt 45.
  • connection head 61 When the on ⁇ connection head is fitted onto the perforated disc 44 61 and locked there by means of the wedge 62 and is braced, In the insertion region 93 of the slot 67, the connection head 61 is designed with its upper head part 74 and its lower head part 75 symmetrical to the median plane 68 of the slot 67 in the vertical plane of symmetry 90.
  • the upper abutment support surface 65.1 of the upper head part 74 and the lower abutment support surface 65.2 of the lower head part 75 are symmetrical to the horizon formed valley center plane 68 of the slot 67 and further, the upper abutment support surface 65.1 of the upper head ⁇ part 74 and the lower abutment support surface 65.2 of unte ⁇ ren head part 75 are the same size.
  • the slot 67 has a front insertion portion in which it is upwardly limited by horizontal upper slot surfaces 95.1, 95.2 of the upper head portion 74 and downwardly to horizontal lower slot surfaces 96.1, 96.2 of the lower head portion 75 93, parallel to each other, before ⁇ preferably also parallel to the longitudinal axis 94 of the round tube 78, extend.
  • the slot 67 viewed in the vertical direction 42, a first slot height 98 ers ⁇ te slot width, the vertical distance between the upper slot surfaces 95.1, 95.2 of the upper head part 74 and the lower slot surfaces 96.1, 96.2 of the lower head part 75th in the insertion area 93 corresponds.
  • This distance 98 is preferably about 12 mm.
  • the said slot surfaces 95.1, 95.2; 96.1, 96.2 extend on both sides of an imaginary, extending at the level of half the Schlitzhö ⁇ he 98 and the slot width horizontal With ⁇ tenebene 68 of the slot 67th
  • the slot 67 is rearwardly with vertically erumblenden slot surfaces 102.1, 202.2 a slot bottom
  • the shoulder 100 extends in a direction perpendicular to the horizontal center plane 68 of the
  • the wedge support body 85 has wedge support surfaces 108 for vertically supporting the lower wedge end 109 of the wedge 62 against inadvertently moving the wedge 62 vertically downwardly intersecting the slot 67 to engage the terminal head 61 with its slot 67 in FIG a substantially horizontal Aufstecke direction 107 radially on the projection 44 and on the perforated disc 44 without blocking by the wedge 62 to allow.
  • the shoulder 100, the said vertical plane 90 enthal ⁇ tend, formed on both sides of the vertical plane 90 and he ⁇ extends between the upper side wall portions 71.1, 71.2 continuously.
  • connection head 61 This makes it possible to reach a further advantage IMPROVE ⁇ tion in the sense of the foregoing, wherein a simple and easy slipping or sliding of the connection head 61 is possible with its slot 67 on the projection 44th
  • the last-mentioned measure also makes it possible to achieve stiffening, in particular of the upper head part 74, of the connection head 61, so that the static characteristic values of the connection or of the connection node can be improved overall.
  • the heel 100 defines the slot 67 downwardly 115 toward the upper heel slot area 107.
  • the upper heel slot area 107 is parallel to the upper slot areas 95.1, 95.2; 991., 99.2 and formed to the lower slot surfaces 96.1, 96.2 of the slot 67 and parallel to the Horizon ⁇ tal-center plane 107 of the slot 67.
  • the slot width 106 or height of the slot 67 is reduced due to the shoulder 44 to a vertical distance 106 which is smaller is as the distance 98 between the upper slot surfaces 95.1, 95.2 and the lower slot surfaces 96.1, 96.2 in the front insertion portion 93 of the slot 67, and thus is smaller than the slot width 98 or height of Schlit ⁇ zes 67 in this insertion 93rd
  • the said distance 106 between the shoulder slot surface 107 and the lower slot surfaces 96.1, 96.2 in the exemplary embodiment is approximately 10.5 mm.
  • the slot 67 viewed in the direction from front to back 52, designed in the direction of the slot bottom 103.1, 103.2 with a taper 111.
  • the taper 111 or the shoulder 100 is formed with an upper wall portion 112 of the upper head portion 74.
  • This upper wall part 112 extends horizontally and continuously between the side wall parts 71.1, 71.2 of the upper head part 74, preferably as shown in the figures.
  • the said upper wall part 112 or the shoulder 100 is delimited towards the front 79, ie towards the insertion region 93 of the slot 67, with an inclined surface 113 of a front insertion bevel 282, which is inclined downwards and backwards.
  • the inclined surface 113 extends in a vertical symmetry plane 90 containing vertical considered ⁇ cut from the upper slot surfaces 95.1, 95.2 of the insertion portion 93 to bottom 115 and the rear or the outside 52 to the slot base 103.1, 103.2 back.
  • the inclined surface 113 includes ⁇ amount forming a, preferably about 20 degrees with the horizontal 274 and the heel slot surface 107, an angle of inclination 283.
  • the abutment wall portion 63.1 of the upper head portion 74 of the on ⁇ closing head 61 is designed starting from its front abutment support surfaces 65.1 to the slot 67 out, with an inclined rearwardly or outwardly 52 and 115 down upper insertion bevel 116.
  • the abutment wall portion 63.2 of the lower head portion 75 of the connection head 61 is starting from its front bearing support surfaces 65.2 to the slot 67, designed with a rearward or outward 52 and top 110 inclined lower insertion bevel 117.
  • the upper insertion bevel 116 merges rearwardly 52 into the horizontal upper slot surfaces 95.1, 95.2 in the insertion region 93 of the slot 67.
  • the lower insertion bevel 117 merges rearwardly 52 into the horizontal lower slot surfaces 96.1, 96.2 in the insertion region 93 of the slot 67. Due to the relatively high in the insertion 93 slit height 98 and width of the slot 67 of the connection head 61 with its slot 67 can accordingly be easily inserted or pushed onto the perforated disc 44 ⁇ .
  • connection head 61 when already radially attached to the perforated disc 44 with the insertion region 93, can be moved further forward 79 radially from there to the perforated disc 44 put off.
  • the heel-slit surface 107 of the heel 100 is opposite the
  • the shoulder 100 is also provided with lateral insertion bevels 285.1, 285.2, each of which is provided with an inclined surface 286.1, 286.2 which extends to the respective vertical outer surface 72.1, 72.2 of the upper side wall parts 71.1, 71.2 and downwards 115;
  • connection head 61 By the above measures, individually or in any combination weight can be saved and it is easier plugging or pushing the connection head 61 in a direction 120 perpendicular to the transverse direction 118, ie laterally or tangentially to the projection 44 possible. This is particularly advantageous if it is not possible for a plugging or pushing the connection head 61 in the direction of radially forward 79 on the projection 44 and on the perforated disc 44, example ⁇ , because there is no sufficient space available or because the scaffolding component 45 or the scaffold bar 45 already at its point away from the connection head 61
  • connection head 61 is particularly simple and inexpensive to produce. As can be seen in particular from FIGS.
  • the shoulder 100 extends continuously between the upper side wall parts 71.1, 71.2 in the inner space 123 defined by these or by their inner boundary surfaces 122.1, 122.2.
  • the first Schiit z vomit distance 125th and the second Schiit z vomit distance 126 each about 1.5 mm be ⁇ wear. By this measure remains when plugging the connection head 61 with its slot 67 on the Lochschei ⁇ be 44 a little game, which facilitates the plugging erleich ⁇ tert.
  • connection head 61 is completely plugged with its slot 67 on the perforated disc 44, so that the connection head 61 is supported on the top 57 of the perforated disc 44 on the edge web 97 of the perforated disc 44 via the shoulder 100, a mediation of the connection ⁇ head 61 is achieved both relative to the horizontal center plane 68 of the slot 67 and relative to the horizontal Mit ⁇ tenebene 51 of the perforated disc 44.
  • Both the first distance 151.1 of the upper end 152 of the upper abutment support surface 65.1 of the upper head part 74 from the horizontal center plane 68 of the slot 67 and the second distance 153.1 of the lower end 154 of the lower abutment support surface 65.2 of the lower head part 75th from the horizontal center plane 68 of the slot 67 is in the shown embodiment about 36 mm.
  • Support surface 65.2 of the lower head part 75 of the horizon ⁇ tal-center plane 68 of the perforated disc 44 is in the illustrated embodiment about 36 mm.
  • the shoulder portion 112 of the upper head portion 74 containing the shoulder 100 extends horizontally and transversely between the upper side wall portions 71.1, 71.2 in the interior 123 of the connection head 61. Said wall portion 112 also extends forwards into the wedge receiving space 123 while limiting it to the rear. Said wall portion 112 has a front boundary edge 128 which, viewed in a vertical plane or the vertical plane of symmetry 90 enthal ⁇ border vertical section is rounded convex. This front boundary edge 128 forms a release channel 128 for releasing the wedge, which will be discussed in greater detail below.
  • the said wall portion 112 and the paragraph 100 containing body also forms an inner wedge support body 85 for vertically supporting the lower wedge end 109 of the
  • the wedge support body 85 is disposed above the slot 67, the slot 67 to the front 79 across.
  • the wedge support body 85 has wedge Stützflä ⁇ chen 108 on which the wedge 62 are supported with its lower wedge end 109 in said mounting position 263 can.
  • the wedge support surfaces 108 are adjacent to a front boundary edge 128 of the heel 100 and the said wall portion 112 to the rear 52 and top 110 extending at.
  • At least the disposed adjacent to said boundary edge 128 in the region or wedge-support-FLAE ⁇ surfaces 108 of the wedge-support-body 85 are arranged at a small vertical distance 129 above the heel slot surface 107th This distance 129 is smaller than half of the slot height 98 or width in the insertion portion 93 of the slot 67.
  • the wedge support surfaces 108 are inclined towards the front boundary edge 128 of said wall ⁇ part 112 obliquely forward 79 and 115 below and are , viewed in a vertical section containing the vertical plane of symmetry 90, concave.
  • the wedge-support surfaces 108 are viewed in said vertical section, with a, preferably end approximately 7 mm magnitude before ⁇ , inner radius 130 decor with dark ⁇ tet.
  • This inner radius 130 is slightly larger than, preferably about 6.25 mm, outer radius 131 of the wedge-end part 201 which can be supported on the wedge support surfaces 108 at the lower wedge end 109 of the wedge.
  • the said wedge-support surfaces 108 define a receiving pocket 132 for receiving and supporting the wedge-end portion 201 at the lower wedge end 109 of the wedge 62, which, as already mentioned above, convexly rounded with said outer Ra ⁇ dius 131 is.
  • the receiving pocket 132 has an inner contour 133 which extends in a circle over a circumferential angle 134, preferably of about 160 degrees.
  • the inner contour 133 of the receptacle ⁇ pocket 132 corresponds to a likewise circular outer contour 135 of the wedge 62 at its lower end of the wedge 109.
  • the receiving pocket 132 down 115 and front 79 of the lower front boundary edge 128 of the wedge support body 85 and the paragraph 100 is limited.
  • the receiving pocket 132 is bounded at the top 110 and front 79 by an upper front boundary edge 124 of a wedge-pivot abutment 86, which preferably at the same time forms a wedge-loser-securing body which limits the wedge receiving space 84 to the rear 52.
  • the wedge pivot abutment 86 is thus above the vertical support of the wedge 62 at its lower wedge end 109 enabling wedge support surfaces 108 of the wedge support body 85 is arranged.
  • the wedge 62 When the wedge 62 is supported at its lower wedge end 109 on the wedge support surfaces 108 of the wedge support body 85, it protrudes with a wedge member 190 from the upper head portion 74 of the connection head 61 and then also with an upper wedge end 181 via the connection head 61 or over the front, vertical abutment support surfaces 65.1, 65.2 forward or outward, as shown for example in Figure 7.
  • the wedge 62 is in the mounting position 263, in which it is supported at its lower wedge end 109 on the wedge support surfaces 108 of the wedge support body 85 with its own weight or heavy ⁇ kraft wealth, in the imaginary longitudinal -Mitten- plane of the wedge openings or in the imaginary vertical plane of symmetry 90 of the connection head 61 relative to the An ⁇ closing head 61 pivotally, to a forward inclined stop pivot position 261.
  • the wedge is supported 62 with its front and second wedge-front edge 163 at one of the upper wedge opening 80 to the front 79 and radially to inside limiting wall portion 216 of the upper abutment wall portion 66.1 and the upper horizontal wall portion 213 of the upper head portion 74 from.
  • the front boundary edge 124 of the wedge-pivot abutment 86 extends horizontally between the upper
  • Vertical vertical section containing vertical symmetry ⁇ seeks, starting from its front boundary edge 124, vertically down 115 of a receiving pocket Limiting 132 limiting inner wall portion 139 of the upper head portion 74 and, starting from its boundary edge 124 upwards 110, bounded by a horizontally extending from the upper head portion 74 to the upper abutment wall portion 63.1 upper wall portion 140.
  • the upper wall part 140 has a surface 138 which runs approximately parallel to the middle plane 68 of the slot 67 or approximately parallel to the longitudinal axis 94 of the round tube 78 of the framework component 45 or of the framework bar 45.
  • the vertical plane of symmetry 90 containing vertical sectional be ⁇ seeks, arranged at a short distance 137 below the outer surface 155 of the ear round 78th Said surface 138 of the top wall portion 140 and the top of the wedge pivot abutment 86, respectively, have a vertical distance 156 from the heel-slot area 107 of the heel 100. This is about 18.8 mm in the embodiment shown.
  • the front boundary edge 124 of the wedge-pivot abutment 86 has a horizontal distance 142 from the abutment annular surface 141 of the connection part 64. This is about 20 mm in the embodiment shown.
  • the centering support tabs 143.1, 143.2 have opposite centering support surfaces 144.1, 144.2 for the wedge 62.
  • the wedge 62 is supported laterally between the centering support surfaces 144.1, 144.2 at its lower wedge end 109 when the wedge 62 at its lower wedge end 109 rests on the wedge support surfaces 144.1, 144.2 of the wedge support member.
  • Body 85 is supported.
  • the centering support z-surfaces 144.1, 144.2 of the centering Z-tabs 143.1, 143.2 extend in a horizontal distance 157 to each other.
  • the distance 157 is about 10 mm in the embodiment. This distance 157 is slightly larger than the thickness 145 of the wedge 62.
  • the thickness 145 of the wedge 62 is about 6 mm in the exemplary embodiment.
  • the centering Z-tabs 143.1, 143.2 are in an upper portion 146 of the receiving pocket 132, that is arranged in the region or in the vicinity of the wedge-pivot abutment 86.
  • the centering support alarm z-tabs 143.1, 143.2 réellere ⁇ CKEN forward 79 and below 115 in the wedge-On ⁇ receiving space 84. Both measures have proven to be particularly advantageous if the wedge 62 at its lower end of the wedge 109 to Wedge support surfaces 108 of the receiving pocket 132 and the wedge support body 85 from ⁇ supports, in order then to achieve a secure guidance of the wedge 62 in Be ⁇ rich his lower wedge end 109 until its release.
  • In the Aufnähmetasche 132 opens, preferably largely or substantially above the wedge support surfaces 108, a zinc outlet opening 147. This extends from the receiving pocket 132 obliquely to the rear 52 and bottom 115 in an inclination angle 136 to the vertical axis 148 into a cavity 149 of the connection head 61, which is in ⁇ through-connection to the opening 82 in the connection part 64 of the connection head 61st In the embodiment shown, the angle of inclination 136 is about 75
  • the zinc outlet opening 147 has an inner diameter 150. This is in the illustratedariesbei ⁇ game about 6 mm.
  • the zinc outlet opening 147 opens in a central region between the centering Z-zontent surfaces 144.1, 144.2 of the centering Z-tabs z tabs 143.1, 143.2 and the wedge support surfaces 108 in the receiving pocket 132nd.
  • the zinc can flow well out of the receiving pocket 132, so that no troublesome zinc accumulation can occur in this region.
  • a central zinc outlet opening 147 instead of a central zinc outlet opening 147, at least two, in particular each side of the vertical plane of symmetry 90 arranged, can be provided in the Aufnah ⁇ me pocket 132 zinc outlet openings.
  • the wedge 62 is made of flat material, in particular steel. It has a substantially constant wedge thickness
  • the wedge 62 has facing away from each other, parallel wedge side surfaces 161.1, 161.2.
  • the wedge 62 is to the rear 52 limited with a rear, first wedge front edge 162 and forward 79 with a front, second wedge front edge 163.
  • the rear or first wedge front edge 162 is delimited by a rear, substantially flat contact surface 168, which extends obliquely downwards 115 and front 79 at an inclination angle 170 to the vertical axis 148.
  • the inclination angle 170 in the illustrated embodiment is about eight degrees, in particular 7.7 degrees.
  • the front and second wedge front edge 163 has a substantially flat contact surface 166.
  • Contact surface 166 of the front and second wedge front edge 163 faces forward 79 of the rear 52 facing rear contact surface 168 of the rear or first wedge front edge 162 away.
  • the vertical front contact surface 166 transitions upwardly 110 with a radius of curvature 184, preferably of about 5 mm, into an upper impact surface 183 at the upper wedge end 181 and impact end of the wedge 62, respectively.
  • the upper wedge end 181 or impact end is formed with a horizontal, upper wedge edge 182 running perpendicular to the vertical axis 148. This is limited to the upper wedge wedge surface 183 for driving the wedge 62 with a hammer.
  • the turning wedge surface 183 is in the loading reaching its rear upper end 185, for example likewise draw end approximately 5 mm, Ra ⁇ dius 186, rounded, into the rear oblique contact surface 168 of the first wedge-end edge 162, in particular with a via.
  • Wedge portion 190 extends when the connection head 61 is plugged with its slot 67 on the projection or on the perforated disc 44 and in one or the locking Position 88 is locked and clamped, over the upper head portion 74 of the connection head 61 vertically upward 110 addition (see Figure 4).
  • the upper wedge part 190 has a maximum wedge part width 191 in the region of the upper wedge end 181. This is approximately in the embodiment
  • the wedge 62 has a length of about 140 mm.
  • the vertical, rear contact surface 168 merges at a distance 192, preferably approximately 33 mm, from the lower wedge end 109 into an inclined surface 193 which is inclined forwardly 79 and downwards 115, which inclines at an angle of inclination 195 which is preferably approximately 13 degrees verti ⁇ cal axis 148 is formed.
  • the inclined surface 193 merges at a distance 196, preferably approximately 20 mm, from the lower wedge end 109 into a vertical surface 197 of the rear or first wedge front edge 162 running parallel to the vertical axis 148.
  • the wedge 62 between the parallel there running vertical surfaces 197, 205, the rear and the front wedge front edge 162 has a lower wedge width 198.
  • the said vertical surface 197 extends parallel to the vertical axis 148 over a length 199. This is in the exemplary embodiment about 10 mm.
  • the vertical surface 197 goes down 115 in a, the lower wedge end 109 delimiting wedge-end surface 200 of a wedge-end portion 201 over. In this is a bore 202 for receiving a Verliersi ⁇ insurance, here a rivet 203, attached.
  • the wedge-end FLAE ⁇ surface 200 of the lower wedge end portion 201 is rounded with a radius 204 that is greater than half the width of lower wedge 198, in which the wedge 62 from the rear
  • the wedge-end face 200 rises slightly rearward 52 over the said rear vertical surface 197, so that there is an elevation 206 is formed.
  • the elevation 206 bounded by the rounded wedge-end face 200, extends vertically upwardly therefrom
  • the rounded wedge end surface 200 of the lower wedge end portion 201 goes into one, the front, second wedge end edge
  • the wedge 62 is captive with the connection head 61 ver ⁇ connected.
  • the wedge 62 in the region of its lower wedge end 109, here on the wedge-end part 201, a Verlier ⁇ assurance 203 in the form of a thickening of material.
  • a rivet 203 is provided in the embodiment. This points laterally over the flat wedge
  • a rivet 203 may be used, for example, a Flachrundniet or blind rivet. Be ⁇ preferably the Flachrundniet can be riveted by machine, while the blind rivet can be preferably riveted by hand.
  • the rivet heads 209.1, 209.2 span a maximum rivet head diameter 210 that is greater than the inside diameter of the receiving bore 202 provided at the lower wedge end 109 of the wedge 62. Preferably, the maximum rivet head diameter 210 is less than twice
  • the rivet 203 projects with its rivet heads 209.1, 209.2 lateral borrowed in a Nietumble 211 via the two wedge-side surfaces 161.1, 161.2 of the wedge 62 out, which is greater than the slot width 114 of the upper wedge aperture 80. Since ⁇ by, the wedge 62 not above 110 from the Schludkopf 61 are pulled out, but the wedge 62 can only up to a stop at least one of its rivet heads 209.1, 209.2 on the inner boundary surfaces 212 of the upper wedge opening 80 bounding wall parts, in particular ⁇ special of the upper horizontal wall portion 213, the upper head portion 74 of the connection head 61 pulled up ⁇ the.
  • the lower wedge opening 81 of the lower head part 75 is larger than the upper wedge opening 80 of the upper head part 74, and so large that the lower wedge end 109 with the rivet 203 fastened there can be inserted easily down 115 through the lower wedge opening 81.
  • the designed as a longitudinal slot 215 upper wedge opening 80 extends on both sides of the vertical plane of symmetry 90 of the connection head 61.
  • the longitudinal slot 215 has a slot width 114 which is only slightly larger than the thickness 145 of the wedge 62.
  • the slot width 114 is in the embodiment about 7th , 2 mm.
  • the upper wedge opening 80 is limited towards the front 79 with a front wall portion 216 of the abutment wall portion 63.1 of the upper head portion 74.
  • This front wall portion 216 is also part of the upper horizontal wall portion 213, which delimits the upper head portion 74 upwardly 110 with a horizontal outer surface 217, which is formed parallel to the center plane 68 of the slot 67.
  • the upper horizontal wall portion 213 is bounded by a horizontal inner surface 212 which extends obliquely to the horizontal outer surface 217 upwardly 110 and rearwardly 52.
  • the horizontal wall portion 213 is in an obliquely down 115 and rear 52 up to the connection part 64 extending rear wall portion 220 via.
  • the horizontal inner surface 212 of the upper horizontal wall portion 213 go on both sides of the upper wedge opening 80 to the rear 52 in wedge-guide surfaces 222.1, 222.2 of obliquely to the rear 52 and below 115 extending wedge-leading edge 223.1, 223.2 on.
  • the respective wedge-leading edge 223.1, 223.2 is formed with wedge-guide surfaces 222.1, 222.2 extending approximately perpendicular to the vertical plane of symmetry 90. These limit the rear wall portion 220 forward 79 to the wedge receiving space 84 out.
  • the wedge-guide edges 223.1, 223.2 or their wedge-guide surfaces 222.1, 222.2 go obliquely to the rear 52 and bottom 115 tangentially into the receiving pocket 132 and the inner ⁇ surfaces over.
  • the wedge-leading edges 223.1, 223.2 or the wedge-guide surfaces 222.1, 222.2 allow an advantageous guidance of the wedge 62 at or over the material thickening, here the rivet heads 209.1, 209.2, which are provided in the region of the lower wedge end 109 of the wedge 62. This will be discussed in more detail below.
  • the upper abutment wall portion 63.1 of the upper head portion 74 having the front upper abutment support surface 65.1 is toward the rear 52 and below 115 toward the wedge receiving space 84 with an inner, substantially planar, vertical, upper
  • the upper wedge support surface 225 extends approximately from the upper horizontal outer surface 217 of the upper horizontal wall portion 213 of the upper head portion 74 parallel to a vertical axis 148.
  • the upper wedge support surface 225 extends verti ⁇ cal down 115 to about the upper slot surfaces 95.1, 95.2 in the insertion 93rd
  • the vertical axis 148 is determined by a substantially ebe ⁇ ne, vertical wedge support surface 229, which, one, preferably each opening 55; 55.1, 55.2 of the openings 55; 55.1, 55.2 of the perforated disk 44 bounded radially to the outside 52 extending from the upper Begrenzungsflä ⁇ surface 48 up to the lower boundary surface 49 of the perforated disc ⁇ 44th
  • This vertical axis 148 which also includes the longitudinal axis 47 of the stem extends parallel 41 corresponds in the erected state of the stem 41 and the latter and the connection head 61 with the wedge 62 include ⁇ assembly 230 for a frame 40
  • the lower abutment wall portion 63.2 of the lower head portion 75 is bounded toward the rear 52 and 115 at the bottom to the wedge receiving space 84 with an inner, substantially flat, vertical, lower wedge support surface 231.
  • the lower wedge support surface 231 extends approximately downwards from the front end 232 of the lower insertion region 93.2 of the lower head part 75 in the region of the lower insertion bevel 117 parallel to the vertical axis 148.
  • the lower wedge support element extends in this way.
  • Surface 231 approximately to a lower horizontal surface 218 of the lower horizontal wall portion 214 of the lower head portion 75, which limits the lower head portion 75 down 115.
  • the upper horizontal wall portion 213 is bounded above 110 with an upper horizontal surface 217 and the lower horizontal wall portion 214 is down 115 with a lower horizontal surface 218 bounded, which extend parallel to each other and parallel to the center plane 68 of the slot 67.
  • the upper horizontal wall portion 213 and the ⁇ sen upper horizontal surface 217 and also the lower horizontal wall portion 214 and whose lower horizontal surface
  • the length 233 of the upper horizontal wall portion 213 or its upper horizontal surface 217 is smaller than the length 234 of the lower
  • connection head 61 is bounded towards ⁇ th 52 with a fully continuous abutting annular surface 141 which is perpendicular to to the vertical symmetry is ⁇ trie plane 90 and perpendicular to the center plane 68 of the Schli- tzes or perpendicular the longitudinal axis 94 of the rod element
  • the abutment annular surface 141 is perpendicularly intersected with respect to a line of intersection in which the vertical plane of symmetry 90 and the median plane 68 of the slot 67 cross perpendicularly with respect to the longitudinal axis 94 of the rod member 78 by an outer diameter 247, which is slightly smaller than the outer diameter 235 of the rod member 78 in the terminal region. This results in advantageous automatic welding conditions.
  • the abutting ring surface 141 is, with reference to the sectional ⁇ line, in which the vertical plane of symmetry 90 and the center plane of the slot 68 intersect perpendicularly or with respect to the longitudinal axis 94 of the rod member 78, bounded in the radial direction inwardly by an inner diameter 248. This is slightly smaller than the inner ⁇ diameter 249 of the rod member 78 in the connection area.
  • centering tabs 250.1, 250.2, 250.3 which are a ⁇ plugged in the rod member or into the round tube 78 and are inserted there extend.
  • the Zentrierlap ⁇ pen 250.1, 250.2, 250.3 are not arranged offset in the illustrated embodiment ⁇ example in the same circumferential angles to each other. However, it is understood that such or similar centering tabs can be arranged in the same circumferential angles to each other. In the illustrated embodiment, the two centering tabs are arranged 250.1 and 250.3 in a circumferential angle of about 180 degrees offset 251.1 zuein ⁇ other.
  • the further centering tab 250.2 arranged in the circumferential direction between these two centering tabs 250.1 and 250.3 is offset relative to the adjacent centering tabs 250.1, 250.3 in each case at the same circumferential angle 251.2 of only approximately 90 degrees (FIG. 10).
  • the said further centering tab 250.2 is assigned to the lower head part 75 of the connection head 61.
  • connection head 61 is therefore also to the extent optimized designed in compliance with predetermined by the Baukas ⁇ tensystem design boundary conditions. But not only all measures according to the invention relating to the connection head 61, but also all the measures according to the invention relating to the wedge 62 are inventively optimized in such a way that integration or combinability with the existing framework parts is readily possible.
  • an inventive arrangement 230 be ⁇ written , in which the connection head 61 of the scaffolding ⁇ part 45 is inserted horizontally with its slot 67 on the disc ⁇ disk 44 and in which the wedge 62 through the upper wedge opening 80, through an opening 55.1 of Openings 55.1, 55.2 of the perforated disc 44 and through the lower wedge opening 81 is inserted, so that the wedge 62 is in a locking position 88, in which the connection head 61 with the perforated disc 44 against Ent ⁇ distant the connection head 61 of the perforated disc 44 in all conceivable directions is positively locked and in which the connection head 61 is removable only after unlocking the wedge 62 by a force acting on the wedge 62 force of the perforated disc 44.
  • Such an arrangement 230 or assembly and fastening situation is illustrated in particular in FIGS. 3, 4 and 5.
  • the wedge 62 with the vertical, essentially flat contact surface 168 of its rear or first wedge front edge 162 is only locally, in the region of an upper recess edge 280 of the opening 55. 1 of the perforated disk 44, point or line.
  • Shaped, at the corresponding, the opening 55.1 of the perforated disc 44 to the rear or outside 52 bounding, substantially planar, extending parallel to the vertical axis 148, vertical wedge support surface 229 of the perforated disc 44 can be applied or applied.
  • Headpiece 75 can be applied, which also extends parallel to the vertical axis 148.
  • Head portion 74 has a substantially flat, in the transverse direction 118 inner side 83 of the passage 84 a substantially flat, outwardly 52 pointing in the transverse direction 118, parallel to the vertical axis 148 extending, upper wedge support surface 225 for the wedge 62.
  • the lower head part 75 has, on a transverse side 118 inner side 83 of the passage 84, a substantially flat, in the transverse direction 118 outwardly 52 facing, parallel to the vertical axis 148 extending, lower wedge support surface 231 for the wedge 62 ,
  • the upper wedge support surface 225 and the lower wedge support surface 231 are parallel and without a lateral offset from each other or aligned with each other.
  • the wedge 62 has a rearwardly facing outwardly 52 and a first wedge end edge 162 which is a substantially flat, obliquely outward 52 and down 115 at an inclination angle 170 to the vertical axis 148 along a Has oblique axis 169 extending contact surface 168.
  • the contact surface 168 of the first wedge-front edge 162 is located when the wedge 62 is in the locking position 88 and the connection head 61 is clamped by means of the wedge 62 with the verti ⁇ cal scaffold element 41, or if the wedge 62 in the locking position 88 is located only locally in the region of the upper recess edge 280 of a fürbre ⁇ chung 55; 55.1 of the projection or perforated disk 44 on the vertical wedge pointing inwards or forwards 79.
  • the wedge 62 furthermore has a front edge or second wedge end edge 163 which points in the transverse direction 118 to the front or to the inside 79 and has a substantially planar vertical contact surface 166 extending parallel to the vertical axis 148 or rectilinearly.
  • the Kon ⁇ clock face 166 corresponds both with the upper wedge supporting surface 225 of the upper head portion 74 and with the lower wedge supporting surface 231 of the lower crown part 75 of the ⁇ art that the vertical contact surface 166 of the wedge 62 and the two vertical wedge support surfaces 225, 231 of the connection head 61 parallel to each other and lying flat against each other, relative to each other, along or in the direction of the vertical axis 148, are displaceable.
  • the wedge 62 of the connection head 61 lies, when the connection head 61 is intended for a jump or on a perforated disc 44 of a vertical scaffolding element or scaffolding handle 41 is attached such that the wedge 62 formed by the formed in the upper head portion 74 and the lower head portion 75 passage 84 under Kreu ⁇ tion of the slot 67 through an opening 55; 55.1 of the projection or the perforated disc 44 is inserted therethrough and is accordingly in a locking position 88, with its front, pointing in the direction of the vertical framework element or scaffold post 41, straight, vertical leading edge or second wedge-front edge 163 or with their Contact surface 166 of the corresponding wedge supporting surfaces 225, 231 of the straight inner edges and the vertical wedge supporting surfaces 225, 231 of the upper head portion 74 and the lower head part 75 connecting head 61, currency ⁇ end of the wedge 62 at the same time the rear with its, by the vertical scaffold element or the scaffold post 41 have ⁇ the oblique trailing edge or first wedge-front edge 162 or its
  • the upper abutment part 63.1 of the upper head part 74 and the lower abutment wall part 63.2 of the lower head part 75 have, for example in the vertical cross section shown in FIGS. 4 and 6, a vertical or vertical direction 110, 115 parallel to the vertical axis 148 constant thickness 288.
  • the thickness 288 is preferably about 8.0 mm.
  • the outwardly facing 52 wedge support surfaces 225, 231 extend both of the upper Installation wall portion 61.1 of the upper head portion 74 and the lower abutment wall portion 61.2 of the lower head portion 75 parallel to the abutment support surfaces 65.1 and 65.2.

Abstract

L'invention concerne un ensemble comprenant une pièce d'échafaudage (45) dotée d'une tête d'accouplement (61) et un élément d'échafaudage vertical (41) s'étendant dans la direction d'un axe longitudinal (47). Un élément en saillie (44) sur lequel est montée la tête d'accouplement (61), et qui s'étend perpendiculairement à l'axe longitudinal (47) de l'élément d'échafaudage (41) en s'écartant ce dernier, est fixé sur l'élément d'échafaudage vertical (41). L'élément en saillie (44) présente une surface de contour supérieure (48) et une surface de contour inférieure (49). L'élément en saillie (44) présente un orifice traversant (55.1) pour l'insertion d'une clavette (62), qui est formé entre une partie (260) de l'élément en saillie (44) et située à l'intérieur dans la direction transversale (118), et une partie (97) de l'élément en saillie (44) située à l'extérieur dans la direction transversale (118), et s'étend verticalement entre la surface de contour supérieure et inférieure (48, 49. La tête d'accouplement (61) comporte une partie supérieure (74) présentant une ouverture à clavette supérieure (80) et une partie inférieure (75) présentant une ouverture à clavette inférieure (81). Dans une position de verrouillage (88), la clavette est insérée à travers les deux ouvertures à clavette (80, 81) et à travers l'orifice traversant (55.1). Entre la partie supérieure (74) et la partie inférieure (75) de la tête se trouve une encoche (67) ouverte sur l'avant (79), au moyen de laquelle la tête d'accouplement (61) est fixée sur l'élément en saillie (44). L'encoche (67) comporte un épaulement (100) formé dans la partie supérieure (74) de la tête, s'avançant vers le bas jusqu'à un point situé sous la surface horizontale supérieure (95.1) de l'encoche située dans la zone d'insertion (93.1) de l'encoche (67), et au-dessus de la surface de contour supérieure (48) de la partie (97) de l'élément en saillie située à l'extérieur, lequel épaulement (100) est délimité vers le bas (115) par une surface d'épaulement horizontale (107) de l'encoche (67), par laquelle l'épaulement (100) s'appuie de manière continue sur la surface de contour horizontale supérieure (48) de l'élément en saillie (44), de manière qu'un premier écart (151.2) entre l'extrémité supérieure (152) d'une surface d'appui supérieure (65.1) de la partie supérieure (74) de la tête et un plan médian horizontal (51) de l'élément en saillie (44), et un second écart (153.2) entre l'extrémité inférieure (154) d'une surface d'appui inférieure (65.2) de la partie inférieure (75) de la tête et le plan médian horizontale (51) de l'élément en saillie (44) soient identiques.
EP12769883.5A 2011-06-01 2012-05-31 Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical Active EP2643533B8 (fr)

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PL12769883T PL2643533T3 (pl) 2011-06-01 2012-05-31 Układ części konstrukcyjnej rusztowania i pionowego elementu rusztowania

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DE102011050811 2011-06-01
DE102011050809 2011-06-01
PCT/DE2012/100163 WO2012163348A2 (fr) 2011-06-01 2012-05-31 Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical

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EP2643533A2 true EP2643533A2 (fr) 2013-10-02
EP2643533B1 EP2643533B1 (fr) 2014-07-16
EP2643533B8 EP2643533B8 (fr) 2014-11-19

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EP12170282.3A Active EP2530219B1 (fr) 2011-06-01 2012-05-31 Arrangement d'un élément d'échafaudage et d'un composant d'échafaudage et procédé de fixation d'un composant d'échafaudage sur un élément d'échafaudage vertical
EP12769883.5A Active EP2643533B8 (fr) 2011-06-01 2012-05-31 Ensemble comprenant une pièce d'échafaudage et un élément d'échafaudage vertical

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DE (3) DE102012104698A1 (fr)
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Also Published As

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ES2527764T3 (es) 2015-01-29
WO2012163348A2 (fr) 2012-12-06
EP2530219B1 (fr) 2016-03-02
WO2012163349A2 (fr) 2012-12-06
EP2643533B1 (fr) 2014-07-16
EP2530219A1 (fr) 2012-12-05
BR112013021969B1 (pt) 2020-12-15
BR112013021969A2 (pt) 2016-11-16
PL2643533T3 (pl) 2015-01-30
US9080335B2 (en) 2015-07-14
BR112013021999B1 (pt) 2021-04-27
DE102012104697A1 (de) 2012-12-06
US20140030009A1 (en) 2014-01-30
BR112013021999A2 (pt) 2016-11-29
WO2012163349A3 (fr) 2013-01-24
AU2012265293A1 (en) 2013-05-02
PL2530219T3 (pl) 2016-10-31
AU2012265293B2 (en) 2015-05-14
US20130330117A1 (en) 2013-12-12
WO2012163348A3 (fr) 2013-01-24
WO2012163340A1 (fr) 2012-12-06
DE102012104694A1 (de) 2012-12-06
AU2012265292A1 (en) 2013-05-02
ES2567415T3 (es) 2016-04-22
ZA201305357B (en) 2014-02-26
DE102012104698A1 (de) 2012-12-06
AU2012265293C1 (en) 2015-08-27
EP2643533B8 (fr) 2014-11-19
AU2012265292B2 (en) 2015-05-14
US8978823B2 (en) 2015-03-17

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