EP3323764B9 - Profilé creux - Google Patents

Profilé creux Download PDF

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Publication number
EP3323764B9
EP3323764B9 EP17192718.9A EP17192718A EP3323764B9 EP 3323764 B9 EP3323764 B9 EP 3323764B9 EP 17192718 A EP17192718 A EP 17192718A EP 3323764 B9 EP3323764 B9 EP 3323764B9
Authority
EP
European Patent Office
Prior art keywords
hollow profile
wall
crane
sealant
hollow
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.)
Active
Application number
EP17192718.9A
Other languages
German (de)
English (en)
Other versions
EP3323764B1 (fr
EP3323764A1 (fr
Inventor
Georg Klapper
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.)
Hans Kuenz GmbH
Original Assignee
Hans Kuenz 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 Hans Kuenz GmbH filed Critical Hans Kuenz GmbH
Publication of EP3323764A1 publication Critical patent/EP3323764A1/fr
Publication of EP3323764B1 publication Critical patent/EP3323764B1/fr
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Publication of EP3323764B9 publication Critical patent/EP3323764B9/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/08—Constructional features of runway rails or rail mountings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/20—Side-supporting means therefor, e.g. using guy ropes or struts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2496—Shear bracing therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped
    • E04C2003/0456—H- or I-shaped hollow flanged, i.e. "dogbone" metal beams
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped

Definitions

  • the present invention relates to a hollow profile, in particular crane girder for a crane, wherein the hollow profile has a cavity and an outer wall bounding the cavity and at least one projecting from the outer wall
  • Fastening element for, preferably detachable again, attachment of at least one attachment to the hollow profile. Furthermore, the invention relates to a crane with at least one hollow profile and a method for fixing an attachment to a hollow profile.
  • Hollow sections are commonly used in steel construction, especially in crane construction.
  • An example of hollow profiles used in cranes are crane girders, which are usually designed in the so-called box construction as a hollow profile.
  • the hollow profile has a cavity and a cavity surrounding this outer wall.
  • the outer walls are usually composed of welded together, flat or curved sheets.
  • hollow profiles are usually tightly welded. That the cavity of the hollow profile is sealed from the environment or the atmosphere, so that no water can penetrate into the cavity.
  • Fig. 1 is a known in the prior art embodiment of the attachment an attachment 5 (in the form of a track for a trolley of a crane) shown on a hollow profile. From the closed hollow section 1 only one section is shown.
  • welds 29 By tightening a nut 22, the rail clamp 13 is pressed in the operating state for clamping the attachment 5 against the rail of the running rail.
  • the mathematical determination of the strength of a component under dynamic stress is largely determined by the occurring notch cases. Notches, which are caused for example by the welds 29, have little effect on the strength of a component under static, ie predominantly static, stress.
  • the object of the invention is to provide an advantageous hollow profile of the type mentioned, which may have a sealed cavity and a lower weight.
  • the outer wall has at least one opening into the cavity passage opening for the fastening element, and a gap between the passage opening limiting portion of the outer wall and, passed through the passage opening, fastener is sealed with a sealant.
  • the hollow profile is sealed in the region of the fastener. There is thus no pathway for fluid between the cavity and the atmosphere. Thus, corrosion by entering into the cavity fluid inside the hollow profile can be prevented.
  • the cavity of the hollow profile is completely separated from the atmosphere.
  • the passage opening delimiting portion of the outer wall is conveniently designed cylindrical jacket-shaped.
  • a sealant is understood to mean a preferably crosslinkable or crosslinked sealant which is applied to a surface, for example of the fastening element or the section of the outer wall delimiting the passage opening.
  • Crosslinking produces a multitude of macromolecules that link to a three-dimensional network be, which defines the physical properties of the sealant in the operating state of the hollow profile in the crosslinked state.
  • the sealant could also be referred to as a sealant or sealant.
  • the sealant may be rigid or elastic in the crosslinked and / or fully set state.
  • the sealant may comprise an elastomer, e.g. Silicone, is.
  • the at least one fastening element is advantageously used for the detachable attachment of at least one attachment, preferably on the outside of the hollow profile.
  • the attachment can thus be removed, preferably non-destructive, again from the hollow profile.
  • attachments subject to wear such as e.g. Running rails, swapped quickly.
  • the fastening element can cooperate with other components, such as clamps, nuts, etc.
  • the fastening element has a head, which is arranged in the hollow space of the hollow profile and is supported on the cavity facing the inner surface of the outer wall.
  • the head has a larger diameter than the passage opening.
  • the fastening element having a head is then held in a form-fitting manner on the hollow profile with respect to a direction pointing from the cavity to the atmosphere along the longitudinal extension of the passage opening.
  • the fastening element can be prestressed for fastening the attachment. As a result, large clamping forces for securely holding the attachment to the hollow profile, in particular under dynamic stress of the attachment, are applied.
  • the fastening element is a screw.
  • the threaded portion of a screw allows clamping of the attachment to the hollow profile, e.g. by means of a mother.
  • a portion of a shaft of the screw is in the operating state of the hollow profile in the region of the passage opening, wherein the sealing compound between the shaft and the passage opening bounding portion of the outer wall is arranged.
  • a shaft is referred to in the context of this document, the smooth cylinder jacket-shaped portion of a screw, which connects to the threaded portion of the screw toward the head, but itself has no thread.
  • a trained as a screw fastener may have any head, z. As a hexagon head, square head, cylinder head, etc.
  • the screw is a dowel screw.
  • Stud bolts have a shank which has a larger diameter than the threaded portion adjacent to the shank.
  • the shank of fitting screws also has a larger shank diameter compared to other types of conventional screws with the same thread diameter.
  • fitting screws are particularly suitable for transmitting large transverse and longitudinal forces, i. transverse or longitudinal to the longitudinal extent of the dowel screw.
  • the fastening element is a bolt, preferably having a threaded portion.
  • the bolt may in turn have a head. But it is also possible that the bolt has no head.
  • the bolt has an opening through which a wedge for clamping the attachment to the hollow profile can be hammered or driven.
  • the sealant is a, preferably curing or cured, adhesive.
  • Adhesives for bonding metal parts are well known.
  • the adhesive absorbs at least a part of the counter-torque to the bias of the fastener. It is particularly preferred if the adhesive absorbs the entire counter-torque to the bias of the fastener. The adhesive thereby prevents twisting of the fastener when attaching the attachment to the fastener.
  • the adhesive cures anaerobically. At a anaerobic curing, the adhesive cures in the absence of oxygen between tight metal surfaces, ie in the presence of metal ions from.
  • a suitable adhesive is, for example, urethane methacrylate, which cures anaerobically.
  • urethane methacrylate instead of an anacid-curing adhesive, however, other suitable adhesives which have sufficient compressive shear strength in the cured or crosslinked state could also be used.
  • the adhesive has a compressive shear strength of greater than 15 N / mm 2 , more preferably greater than 25 N / mm 2 .
  • the compression shear strength is determined according to ISO 10123: 2013 for a shaft and hub made of steel with a hardening time of 7 days at 22 ° C.
  • the gap between the passage opening limiting portion of the outer wall and the fastening element is formed as an annular gap, wherein a gap width of the annular gap at least over the major part of the length of the annular gap between 0.01 mm and 0.15 mm, preferably between 0.02 mm and 0.1 mm.
  • the annular gap may have a circular cylindrical shape. This is the case, in particular, when the fastening element has a smooth shaft and lies opposite the section of the outer wall bounding the passage opening.
  • the annular gap could also have a different shape and e.g. Have a spiral inner circumferential surface, as may be the case with a arranged in the passage opening threaded portion of the fastener.
  • the sealing compound fills the annular gap, preferably completely. In other words, it is favorable if the sealing compound fills the entire interspace between the section of the outer wall bounding the passage opening and the fastening element.
  • the outer wall and a section of the fastening element projecting from the outer wall in the operating state are coated with a corrosion protection layer.
  • the coating is preferably on applied facing away from the cavity outside of the hollow profile.
  • the invention further proposes a crane, in particular a gantry crane or bridge crane, which, in particular as a crane girder, has at least one hollow profile according to the invention.
  • the at least one hollow profile can therefore be used as a structural component, ie a load-bearing component of the crane.
  • the at least one attachment is a running rail of the crane for at least one impeller of a trolley of a hoist of the crane.
  • the hollow profile conveniently has a multiplicity of fastening elements, wherein the running rail is fastened to the fastening elements in the operating state, preferably by means of rail clamps.
  • the running rail could also be referred to as a crane rail for the trolley.
  • attachable to the hollow profile attachment could be a ladder, console or the like.
  • a method according to the invention for fastening an attachment, in particular a running rail, to a hollow profile according to the invention is proposed.
  • the sealant is applied to the passage opening limiting portion of the outer wall or on the fastener.
  • the fastening element is introduced into the passage opening, wherein the intermediate space between the passage opening bounding portion of the outer wall and the fastening element is sealed with the sealant, and the attachment, in particular after crosslinking of the sealant, is fastened by means of the fastening element on the hollow profile.
  • the threaded portion is covered before the introduction of the fastener to prevent contamination of the threaded portion with sealant, in particular adhesive.
  • the passage opening could be introduced, for example by drilling a through hole in the outer wall of the hollow profile.
  • the outer wall and a section of the fastening element projecting from the outer wall in the operating state after the curing of the sealing compound are coated with a corrosion protection layer.
  • the corrosion protection layer is applied to the outside of the outer wall and only after the attachment of the fasteners in the passages.
  • Fig. 2 shows an example of a designed as a gantry crane crane 14 according to the invention, which has a simplified illustrated hoist 17 for lifting a load, such as a container, with a portable trolley 16.
  • the trolley 16 is supported on two crane girders of the crane 14 and is movable in opposite directions of travel 31.
  • the crane carriers could also be referred to as the main carrier of the crane 14 and are formed as hollow sections 1 according to the invention.
  • the respective hollow profile 1 is formed elongated.
  • the trolley 16 has wheels 12, which are supported on an attached to the respective hollow profile 1 attachment 5.
  • the attachment 5 has in this application, a tread for the wheels 12 and is designed as a running rail for the trolley 16.
  • the two hollow sections 1 of the crane 14 may be connected to each other at their front ends by means of horizontal connections 21, as shown here.
  • the substructure of the crane 14 consists of the supports 19 and horizontal joints 20, which connect the supports 19 together.
  • This is in the embodiment shown in opposite directions of movement 30 along a crane track, not shown movable.
  • the hollow profile 1 has a substantially ellipse-like cross-section.
  • the hollow profile 1 could in other embodiments but also have a deviating from the ellipse shape cross-section and be composed, for example, of straight sheets.
  • An outer wall 3 of the hollow profile 1 limits the cavity 2 of the hollow profile 1.
  • the outer wall 3 of the hollow profile 1 has a straight wall portion, which is formed by a double T-beam.
  • the hollow profile 1 is closed by end plates, which are not shown separately in the figures.
  • no reinforcing bodies in the form of so-called Beulsteifen etc. are shown in the figures, which may be necessary depending on the expected forces to reinforce the hollow section 1.
  • Trained as a running rail attachment 5 is supported on the upper flange of the double T-beam and is with a variety of fasteners 4 on Hollow profile 1 attached. Between the running rail and the upper flange a rail pad 25 is additionally arranged.
  • the rail pad 25 could, for. B. of an elastic material, for. As an elastomer exist.
  • the fastening element 4 is a dowel screw.
  • Bolting screws have a threaded portion 10 and an adjoining smooth shaft 26, wherein the shaft 26 is located between the threaded portion 10 and a head 8 of the dowel screw.
  • the diameter of the shaft 26 is greater than the diameter of the threaded portion 10, see. also Fig. 6 ,
  • the outer wall 3 of the hollow profile 1 has a passage opening 6 opening into the cavity 2 for the fastening element 4.
  • the passage opening 6 could e.g. be introduced by drilling a through hole in the upper flange of the double T-beam.
  • the head 8 of the fastening element 4 designed as a fitting screw is supported on an inner surface 9 of the outer wall 3 facing the cavity 2.
  • the head 8 of the fastening element 4 is thus arranged in the cavity 2 of the hollow profile 1.
  • the head 8 has a larger diameter than the passage opening 6.
  • a gap between a passage opening 6 bounding portion 36 of the outer wall 3 and the fastener 4 is sealed according to the invention with a sealant 7.
  • the sealing compound 7 is preferably crosslinked or at least set.
  • the sealing compound 7 adheres both to the fastening element 4 and to the passage opening 6 bounding portion 36 of the outer wall 3.
  • the shaft 26 or, in general, a thread-free region of the fastening element 4 is arranged in the passage opening 6.
  • the sealant 7 is an adhesive. Because of the adhesion of the adhesive to the fastener 4, preferably its shank 26, and to the passage opening 6 bounding portion 36 of the outer wall 3, the fastener 4 and the outer wall 3 are also firmly connected by the internal strength of the adhesive in the cured state of the adhesive.
  • the cured adhesive advantageously takes on the entire counter-torque to the bias of the fastener 4. This is particularly advantageous because the cavity 2 of the hollow profile 1 in the operating state is advantageously completely sealed off from the atmosphere. As a result, the head 8 is no longer accessible from outside the hollow profile 1 after the sealing welding of the hollow profile 1. Through the use of a suitable adhesive can thus be dispensed with the holding of the head 8 with a tool during the preloading or assembly of the attachment 5.
  • the adhesive is a high strength adhesive, e.g. B. urethane methacrylate. It is particularly preferred that the adhesive cures anaerobically, d. h., That the hardening reaction takes place in the absence of oxygen (anaerobic) and in the presence of metal ions.
  • An example of an anaerobic curing adhesive is Loctite® 648.
  • the intermediate space between the passage opening 6 bounding portion 36 of the outer wall 3 and the fastening element 4 is formed as an annular gap.
  • the passage opening 6 bounding portion 36 of the outer wall 3 is preferably formed Vietnamesezylindermantelelförmig.
  • the smooth shaft 26 of the formed as a fitting screw fastener 4 is in the operating state of the hollow section 1 in the passage opening 6.
  • the annular gap is thus formed in the first embodiment Vietnameseringzylindrisch.
  • the gap width 11 of the annular gap is at least on the major part of the length of the annular gap between 0.01 and 0.15 mm. In the exemplary embodiment, it is provided that the annular gap has a gap width 11 of 0.05 mm.
  • a rail clamp 13 which cooperates with the respective fastening element 4, is furthermore provided in the exemplary embodiment shown.
  • a nut 22 which is screwed onto the threaded portion 10 of the dowel screw, the running rail is clamped down in the operating state.
  • the rail clamp 13 is supported on the one hand on the rail of the running rail and on the other hand on a terminal base 24, see. Fig. 5 , Between the nut 22 and the rail clamp 13 wedge lock washers 34 are arranged in the first embodiment. The wedge lock washers 34 prevent an independent loosening of the nut 22 during operation of the crane 14th
  • the nut 22 is covered in the first embodiment with a protective cap 23, which prevents the ingress of moisture or liquids between the threads of the nut 22 and the threaded portion 10 of the fastener 4.
  • the protective cap 23 may additionally be filled with grease in order to prevent the penetration of water into the threads.
  • suitable fitting screws preferably have a metric thread between M16 and M24 and more.
  • the dowel has, for example, an M20 thread.
  • the fastener 4 has a burnished, i. black, surface on. But it is also conceivable and possible that the surface of the fastener 4 is coated. For example, the fastening element 4 could also be galvanized.
  • the hollow profile 1 and at least a portion of the projecting from the outer wall 3 fastener 4 are coated on the outside of the hollow section 1 with a corrosion protection layer 33.
  • a corrosion protection layer 33 is shown.
  • the corrosion protection layer 33 could be, for example, a coating composition, a galvanizing or the like, which is applied to the hollow profile 1 and / or to the fastening element 4.
  • the thickness of the anticorrosive layer 33 is exaggerated to illustrate the anticorrosion layer 33.
  • the fastening element 4 is covered by the corrosion protection layer 33 in the region of the section of the shaft 26 projecting from the outer wall 3.
  • the passage openings 6 are drilled preparatory to the outer wall 3 of the hollow profile 1.
  • the passage opening 6 bounding portion 36 of the outer wall 3 is each Vietnamesezylindermantelelförmig.
  • the sealant 7, in particular the adhesive on which the respective passage opening 6 bounding portion 36 of the outer wall 3 is applied.
  • applied sealing compound 7 on the region of the inner surface 9, in which the head 8 of the fastener 4 in Operating state of the hollow section 1 rests.
  • the adhesive could instead be applied to the fastener 4.
  • the fastening elements 4 are introduced into the respective passage opening 6.
  • the introduction of the fastening elements 4 takes place during the manufacturing process of the hollow profile 1 in a method step in which the cavity 2 is still accessible to put the fastener 4 from the cavity 2 through the passage opening 6 therethrough.
  • the threaded portion 10 is conveniently covered to prevent fouling of the threaded portion 10 with sealant 7 in passing the fastener 4 through the passage opening 6.
  • the intermediate space between the passage opening 6 bounding portion 36 of the outer wall 3 and the fastening element 4 is sealed after insertion of the fastener 4 with sealant 7, in particular the adhesive.
  • the hollow profile 1 can be made during the insertion of the fastener 4 "upside down", ie that the respective fastener 4 rests after insertion with his head 8 on the inner surface 9 of the outer wall 3 and fed by the weight of the fastener 4 on the inner surface 9 is pressed.
  • the weight of the fastener 4 is usually sufficient to ensure a secure bond between the fastener 4 and the outer wall 3.
  • the fastener 4 z. B. is biased by a nut, while the sealant 7, for example, the adhesive hardens.
  • the fastening element 4 could also be driven into the passage opening 6 with a non-return hammer. The tightness can by means of a Leak test be detected.
  • a corrosion protection layer 33 such as a protective coating, from the outside to the outer wall 3 and a protruding from the outer wall 3 portion of the fastener 4 are applied, as already in connection with Fig. 11 was explained. Conveniently, the threaded portion 10 of the fastener 4 during application of the corrosion protection layer 33 is covered. After the application of the corrosion protection layer 33, this cover can be removed again from the fastening element 4.
  • the rail support 25 and the attachment 5 can then be placed on the hollow profile 1. After pushing the terminal base 24 and the rail clamp 13 on the fastener 4, the rail clamp 15 is clamped down by tightening the nut 22 to attach the attachment 5 on the hollow section 1. In addition, the optional protective cap 23 can be pushed over the nut 22.
  • a fastening element 35 for additional attachment of the attachment 5 on the hollow profile 1 is provided in the area outside the cavity 2.
  • the fastening element 35 is formed analogously to the fastening element 4 in the first exemplary embodiment.
  • the head 8 of the fastener 35 is accessible from the outside, that is, the fastener 35 is guided through a passage opening 32 which penetrates an open to both sides to the atmosphere portion 36 of the outer wall 3 of the hollow section 1, see. Fig. 4 , Otherwise, the attachment of the attachment 5 by means of the fastener 35 analogous to the fastener 4 can take place.
  • fastening element 4 is designed as a screw having a substantially up to the head 8 extending threaded portion 10. The seal between the outer wall 3 and the fastening element 4 then follows in an area of the threaded section 10 adjoining the head 8.
  • Fig. 8 is a executed as a bolt fastener 4 is shown.
  • the bolt has a head 8 and a threaded portion 10 for biasing the fastener 4.
  • the shaft 26 analogous to the first embodiment.
  • the operation of the fastener 4 according to this embodiment is similar to the dowel screw according to Fig. 6 , In particular, it is also conceivable and possible that in the region of the head 8, which is supported on the inner surface 9 of the outer wall 3 in the operating state, sealing compound 7 is arranged.
  • Fig. 9 is another, executed as a bolt fastener 4 shown. Unlike in Fig. 8 shown bolt, the bolt according to Fig. 9 no head up. In particular, when using such a bolt, it is advantageous if the sealant 7 is an adhesive. The bonding then takes place on the lateral surface of the shank 26 of the bolt and then absorbs the counter-torque for fastening the attachment 5.
  • the bolt according to Fig. 9 additionally has a threaded portion 10 which, for example, with a nut analogous to the first embodiment, a screw for low tensioning of the rail clamp 13 is formed.
  • Such a bolt may also have a continuous thread on its entire outer shell surface in a further embodiment, ie in principle as the screw according to Fig. 7 only be formed without a head 8.
  • a second embodiment of a hollow profile 1 according to the invention is shown.
  • the structural design of the hollow profile 1 and the arrangement of the attachment 5, which is also designed here as a running rail for a trolley, corresponds to that of the first embodiment, so that in the explanations to the second embodiment mainly referred to the differences from the first embodiment. Apart from the differences mentioned below, the explanations on the first embodiment also apply in the second embodiment.
  • the fastening element 4 is designed as a bolt.
  • the bolt has a rectangular opening 27 for the passage of a wedge 28 orthogonal to its longitudinal extent.
  • Fig. 10 a sectional view is shown, in which the wedge 28 is inserted into the opening 27.
  • the fastening element 4 is attached to a cylinder jacket surface of the bolt with sealing compound 7, in particular adhesive, on the hollow profile 1. By driving in the wedge 28, the low tensioning of the rail clamp 13 takes place.
  • FIGS. 1 to 11 Hollow sections 1 are shown, which serve the attachment of trained as a running rail attachments 5.
  • the crane 14 according to Fig. 2 has in addition to the hollow sections 1 even more crane carrier in the manner of a hollow profile according to the invention.
  • the supports 19 and the horizontal joints 20 are formed as hollow profiles 15, which may have not shown fastening elements 4 according to the invention.
  • ladders or other attachments 5 of the crane 14 could be secured by means arranged on the hollow profiles 15 fasteners to the hollow sections 15.
  • sealant 7 is an adhesive. But it can also be provided that the sealant 7 essentially only the sealing of the gap between the passage opening 6 bounding portion 36 of the outer wall 3 and the fastener 4 is used and has no or only a small attachment effect. Then it should be ensured that the counter torque for biasing the fastener 4 in other ways, for example by means of a rotation of the head 8 of the fastener 4 preventing positive engagement on the inner surface 9 of the outer wall 3, is ensured.

Claims (10)

  1. Profilé creux (1, 15), notamment poutre de grue pour une grue (14), le profilé creux (1, 15) présentant une cavité (2) et une paroi extérieure (3) délimitant la cavité (2) et au moins un élément de fixation (4) saillant par rapport à la paroi extérieure (3) en vue de la fixation, de préférence redétachable, d'au moins un accessoire (5) sur le profilé creux (1, 15), caractérisé en ce que la paroi extérieure (3) présente au moins un orifice de passage (6), débouchant dans la cavité (2), pour l'élément de fixation (4), et un espace intermédiaire entre le tronçon (36) délimitant l'orifice de passage (6) de la paroi extérieure (3) et l'élément de fixation (4), traversant l'orifice de passage (6), est scellé avec un produit d'étanchéité (7).
  2. Profilé creux (1, 15) selon la revendication 1, caractérisé en ce que l'élément de fixation (4) présente une tête (8) disposée dans la cavité (2) du profilé creux (1, 15) et s'appuie sur la surface interne (9) de la paroi extérieure (3) dirigée vers la cavité (2).
  3. Profilé creux (1, 15) selon la revendication 2, caractérisé en ce que, en plus, du produit d'étanchéité (7) est disposé entre la tête (8) de l'élément de fixation (4) et la surface interne (9) de la paroi extérieure (3).
  4. Profilé creux (1, 15) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le produit d'étanchéité (7) est une colle de préférence durcissante ou durcie.
  5. Profilé creux (1, 15) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de fixation (4) est une vis, en particulier une vis d'ajustage.
  6. Profilé creux (1, 15) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de fixation (4) est un boulon présentant, de préférence, un tronçon fileté (10).
  7. Profilé creux (1, 15) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'espace intermédiaire entre le tronçon (36) de la paroi extérieure (3) délimitant l'orifice de passage (6) et l'élément de fixation (4) est en forme de fente annulaire, une largeur de fente (11) de la fente annulaire étant comprise, du moins sur la majeure partie de la longueur de celle-ci, entre 0,01 mm et 0,15 mm, de préférence entre 0,02 mm et 0,1 mm.
  8. Grue (14), en particulier portique ou pont roulant, caractérisée en ce qu'elle possède, en particulier comme poutre, au moins un profilé creux (1, 15) selon l'une quelconque des revendications 1 à 7.
  9. Grue (14) selon la revendication 8, caractérisée en ce que l'au moins un accessoire (5) est un rail de roulement de la grue (14) pour au moins une roue (12) d'un chariot (16) d'un palan (17) de la grue (14), et le profilé creux (1, 15) présente une pluralité d'éléments de fixation (4), le rail de roulement étant fixé, pendant le fonctionnement, sur les éléments de fixation (4).
  10. Procédé de fixation d'un accessoire (5), en particulier d'un rail de roulement, sur un profilé creux (1, 15) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le produit d'étanchéité (7) est appliqué sur le tronçon (36) de la paroi extérieure (3) délimitant l'orifice de passage (6) et/ou sur l'élément de fixation (4), et par ailleurs, en ce que l'élément de fixation (4) est introduit dans l'orifice de passage (6), l'espace intermédiaire entre le tronçon (36) de la paroi extérieure (3) délimitant l'orifice de passage (6) et l'élément de fixation (4) étant scellé avec le produit d'étanchéité (7), et l'accessoire (5) étant fixé sur le profilé creux (1, 15) au moyen de l'élément de fixation (4), en particulier après la réticulation du produit d'étanchéité (7).
EP17192718.9A 2016-11-17 2017-09-22 Profilé creux Active EP3323764B9 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA526/2016A AT518783B1 (de) 2016-11-17 2016-11-17 Hohlprofil

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EP3323764A1 EP3323764A1 (fr) 2018-05-23
EP3323764B1 EP3323764B1 (fr) 2019-02-27
EP3323764B9 true EP3323764B9 (fr) 2019-10-30

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EP17192718.9A Active EP3323764B9 (fr) 2016-11-17 2017-09-22 Profilé creux

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AT (1) AT518783B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078990A (zh) * 2020-09-27 2020-12-15 中化珠海石化储运有限公司 用于储罐清洗或防腐的高效活动装置
CN112499469B (zh) * 2020-12-30 2023-03-28 河南省安装集团有限责任公司 一种混凝土吊车梁上轨道安装工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1046347A (en) * 1912-08-21 1912-12-03 David Terrel Railway-track construction.
FR1123262A (fr) * 1955-03-05 1956-09-19 Dev Etudes Et Realisations Spe Perfectionnements apportés aux structures comportant des poutres à deux appuis terminaux, notamment aux ponts roulants
FR1353612A (fr) * 1963-01-17 1964-02-28 Poutre perfectionnée, en particulier pour pont roulant
DE1248256B (de) * 1963-05-25 1967-08-24 Maschf Augsburg Nuernberg Ag Kranbauteil, insbesondere Krantraeger oder Kranausleger
YU34068B (en) 1968-09-25 1978-10-31 Vyzk Ustav Stavebnich Hmot Apparatus for fluidizing pulverous lime obtained in a rotary furnace
US5304023A (en) * 1992-10-23 1994-04-19 Metaltite Corporation Metal panel fastener
US5744197A (en) * 1996-08-26 1998-04-28 J. B. Faith Co. Method of protecting aluminum skins of land vehicles from corrosion
US6557775B1 (en) * 2001-11-20 2003-05-06 John Dillard Brinson Dolly track
US7770810B2 (en) * 2005-04-12 2010-08-10 Kennard Christopher S Track device

Also Published As

Publication number Publication date
EP3323764B1 (fr) 2019-02-27
US10625989B2 (en) 2020-04-21
AT518783B1 (de) 2018-01-15
EP3323764A1 (fr) 2018-05-23
US20180134526A1 (en) 2018-05-17
AT518783A4 (de) 2018-01-15

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