• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Hollow profile (1, 15), in particular crane girder for a crane (14), wherein the hollow profile (1, 15) has a cavity (2) and an outer wall (3) delimiting the cavity (2) and at least one of the outer wall (3). protruding fastening element (4) for, preferably detachable, attachment of at least one attachment (5) on the hollow profile (1, 15), wherein the outer wall (3) at least one opening into the cavity (2) through opening (6) for the fastening element ( 4), and a gap between the passage opening (6) delimiting portion (36) of the outer wall (3) and, through the passage opening (6) guided, fastener (4) with a sealant (7) is sealed.
    公开号:AT518783A4
    申请号:T526/2016
    申请日:2016-11-17
    公开日:2018-01-15
    发明作者:
    申请人:Hans Künz GmbH；
    IPC主号:
    专利说明:

    Summary
    Hollow profile (1,15), in particular crane girder for a crane (14), the hollow profile (1,15) having a cavity (2) and an outer wall (3) delimiting the cavity (2) and at least one of the outer wall (3) protruding fastening element (4) for, preferably detachable, fastening of at least one add-on part (5) to the hollow profile (1, 15), the outer wall (3) having at least one passage opening (6) opening into the cavity (2) for the fastening element ( 4), and an intermediate space between the section (36) of the outer wall (3) delimiting the passage opening (6) and the fastening element (4) guided through the passage opening (6) is sealed with a sealing compound (7). (Fig. 4)
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    M office@vpat.at
    I www.vpat.at
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    Hofmann & Fechner • · · · · • · • ···
    Patent attorneys
    Hofmann Sc Fechner
    Dr. Ralf Hofmann Dr. Thomas Fechner Hörnlingerstr. 3, P.O.Box 5 6830 Rankweil, Austria
    27607 34/35 / fa 161027
    The present invention relates to a hollow profile, in particular a crane girder for a crane, the hollow profile comprising a cavity and an outer wall delimiting the cavity and at least one protruding from the outer wall
    Fastening element for, preferably detachable, fastening of at least one attachment to the hollow profile. The invention further relates to a crane with at least one hollow profile and a method for fastening an attachment to a hollow profile.
    Hollow profiles are often used in steel construction, especially in crane construction. An example of hollow profiles used in cranes are crane girders, which are usually designed as a hollow profile in the so-called box construction. The hollow profile has a cavity and an outer wall surrounding this cavity.
    The outer walls are usually composed of welded, flat or curved sheets.
    In order to prevent the accumulation of water, in particular by precipitation, in the cavity and corrosion of the outer walls from the cavity, hollow profiles are usually welded tightly. I.e. the cavity of the hollow profile is sealed from the surroundings or the atmosphere, so that no water can penetrate into the cavity.
    For attaching attachments, e.g. Rails, ladders, etc. on the hollow profile are often welded to fasteners on the outside of the outer wall of the hollow profile. This has the advantage that the tightness of the hollow profile can be ensured in the operating state.
    In Fig. 1 is a known in the prior art version of the attachment
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    an attachment 5 (in the form of a running rail for a trolley of a crane) shown on a hollow profile. Only a section of the closed hollow profile 1 is shown. The fastening elements 4 (= welded rail clamp) projecting from the outer wall 3 are integrally connected to the outer wall 3 by means of weld seams 29. By tightening a nut 22, the rail clamp 13 is pressed against the rail foot of the running rail in the operating state for clamping the attachment 5. The mathematical determination of the strength of a component under dynamic loading is largely determined by the notch cases that occur. Notches which e.g. are caused by the welds 29, act in static, d. H. predominantly static, hardly any stress on the durability of a component. With dynamic, i.e. H. Predominantly not at rest, stress (e.g. due to the variable loads of a trolley of a crane) notches can lead to the formation of cracks and to a progressive weakening of the cross-section of the hollow profile. In order to be able to demonstrate sufficient strength of the hollow profile, constructive measures must be taken, e.g. larger wall thicknesses in the area of the load introduction points, necessary. This increases the weight of the hollow section and the drive power required to operate the crane.
    The object of the invention is to provide an advantageous hollow profile of the type mentioned at the outset, which can have a sealed cavity and a lower weight.
    According to the invention, this is achieved by means of a hollow profile with the features of patent claim 1.
    In the case of the hollow profile according to the invention, it is provided that the outer wall has at least one passage opening for the fastening element opening into the cavity, and an intermediate space between the section (36) of the outer wall delimiting the passage opening and the fastening element which is guided through the passage opening is sealed with a sealing compound is.
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    The provision of a through opening for the fastening element opening into the cavity can result in a significantly more favorable notch case in arithmetic
    Proof of the strength of the hollow profile against welded
    Fasteners can be achieved. As a result, the material thickness of the hollow profile according to the invention can be reduced compared to the prior art, and thus a hollow profile with a comparatively low weight can be provided.
    By sealing the intermediate space between the section of the outer wall delimiting the passage opening and the fastening element with a sealing compound, the hollow profile is sealed in the region of the fastening element. As a result, there is no path for fluid between the cavity and the atmosphere. Corrosion by fluid entering the cavity inside the hollow profile can thus be prevented. The cavity of the hollow profile is advantageously completely separated from the atmosphere.
    The section of the outer wall delimiting the passage opening is advantageously formed in the shape of a cylinder jacket.
    In the context of this document, a sealing compound is understood to mean a sealing compound, preferably crosslinkable or crosslinked, which is applied to a surface, e.g. of the fastening element or the section of the outer wall delimiting the passage opening. When applying, the sealing compound is essentially unconsolidated and, after the fastening element has been introduced into the passage opening, forms an adhesive connection with the section of the outer wall delimiting the passage opening and with the fastening element. I.e. the sealing compound adheres to the surface of the passage opening and the surface of the fastening element through chemical and / or physical interaction, preferably by means of a setting process (= crosslinking), and simultaneously seals the intermediate space. Networking creates a large number of macromolecules that link to form a three-dimensional network
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    Hofmann & Fechner ·· · · · · · · ···, which in the networked state has the physical properties of the
    Sealant defined in the operating state of the hollow profile. The sealant could also be referred to as a sealant or sealant.
    The sealant can be rigid or elastic in the cross-linked and / or fully set state. In particular, it is conceivable and possible for the sealing compound to be an elastomer, e.g. Silicone, is
    The at least one fastening element advantageously serves for the releasable fastening of at least one add-on part, preferably on the outside of the hollow profile. The attachment can thus be removed from the hollow profile again, preferably without destruction. This means that attachments that are subject to wear, such as Running tracks can be replaced quickly. For this purpose, the fastening element can interact with other components, such as clamps, nuts, etc.
    In a preferred embodiment, the fastening element has a head which is arranged in the cavity of the hollow profile and is supported on the inner surface of the outer wall facing the cavity. The head preferably has a larger diameter than the passage opening. In other words, the fastening element having a head is then held in a form-fitting manner on the hollow profile in relation to a direction pointing from the cavity to the atmosphere along the longitudinal extension of the passage opening. By supporting the fastening element over the head on the inner surface of the outer wall, large forces can be applied by the fastening element to the hollow profile. Furthermore, the attachment can be attached to the hollow profile with a large fastening force.
    It is particularly preferably provided that the fastening element can be pretensioned for fastening the add-on part. As a result, large clamping forces can be applied to securely hold the attachment on the hollow profile, in particular when the attachment is subjected to dynamic loads.
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    • *
    In a preferred embodiment according to the invention it is provided that sealing compound is additionally arranged between the head of the fastening element and the inner surface of the outer wall. As a result, the tightness between the fastening element and the outer wall of the hollow profile can be increased.
    In a preferred embodiment according to the invention it is provided that the fastening element is a screw. The threaded section of a screw enables the attachment to be clamped or fastened to the hollow profile, e.g. by means of a mother.
    It can be provided that a section of a shaft of the screw is in the operating state of the hollow profile in the region of the passage opening, the sealing compound being arranged between the shaft and the section of the outer wall delimiting the passage opening. In the context of this document, the shank is the smooth cylindrical section of a screw which adjoins the threaded section of the screw in the direction of the head, but itself has no thread.
    However, it is also conceivable to use screws with a threaded section that extends essentially from one end of the screw to the head as the fastening element. Then the screw has no shaft. In this case, it is conceivable and possible that at least a partial section of the threaded section is in the operating state of the hollow profile in the area of the passage opening, the sealant being arranged between this threaded section and the section of the outer wall (= intermediate space) delimiting the passage opening. When using screws with a short shaft, the sealing compound could be arranged between the shaft and the adjoining threaded section and the section of the outer wall delimiting the passage opening.
    A fastener designed as a screw can have any head, for. B. a hexagon head, square head, cylinder head etc.
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    The screw is particularly preferably a fitting screw. Fitting screws have a shank which has a larger diameter than the threaded section adjoining 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. This makes fit bolts particularly suitable for the transmission of large transverse and longitudinal forces, i.e. transverse or longitudinal to the longitudinal extension of the fitting screw.
    In an alternative embodiment according to the invention it can be provided that the fastening element is a bolt, preferably having a threaded section. The bolt can in turn have a head. But it is also possible that the bolt has no head.
    In one possible embodiment, it is conceivable that the bolt has an opening through which a wedge for clamping the attachment part on the hollow profile can be driven or driven.
    It is particularly preferably provided that the sealing compound is a, preferably hardening or hardened, adhesive. Adhesives for connecting metal parts are well known. In addition to sealing the intermediate space, an adhesive also enables the joining parts, i. H. the fastener and the outer wall, by surface adhesion (= adhesion) and the internal strength of the adhesive (= cohesion), preferably in the cured state of the adhesive, firmly connected. It can be provided that the adhesive at least a part of the counter-torque for pretensioning the
    Fastener takes up. It is particularly preferred if the adhesive absorbs the entire counter-moment to the pretensioning of the fastening element. The adhesive thereby prevents the fastening element from twisting when fastening the attachment to the fastening element.
    It can be provided that the adhesive hardens anaerobically. At a
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    Hofmann Fecjmey. ee • · · · · · ······ ·· • · · · · · · • · · · · · · ·· ·· ·· ·· anaerobic hardening the adhesive hardens with the exclusion of oxygen between tight metal surfaces , ie in the presence of metal ions. A suitable adhesive is, for example, urethane methacrylate, which cures anaerobically. Instead of an anearobically curing adhesive, other suitable adhesives which have sufficient compressive shear strength in the cured or crosslinked state could also be used.
    The adhesive advantageously has a compressive shear strength of more than 15 N / mm 2 , particularly preferably of more than 25 N / mm 2 . The compressive shear strength is determined according to ISO 10123: 2013 for a steel shaft and hub with a curing time of 7 days at 22 ° C.
    The space between the section of the outer wall delimiting the passage opening and the fastening element is preferably designed as an annular gap, with 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 can have an annular cylindrical shape. This is particularly the case when the fastening element has a smooth shaft and this is opposite the section of the outer wall delimiting the passage opening. The annular gap could also have a different shape and e.g. have a spiral inner surface, as can be the case with a threaded section of the fastening element arranged in the passage opening.
    In a preferred embodiment it is provided that the sealing compound fills the annular gap, preferably completely. In other words, it is expedient if the sealing compound fills the entire space between the section of the outer wall delimiting the passage opening and the fastening element.
    It can further be provided that the outer wall and a section of the fastening element projecting from the outer wall in the operating state have a
    Corrosion protection layer are coated. The coating is preferably on
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    • · · · · · · · · · · · · ··· • · · · · • · · · · • · · · · ·· ·· ·· applied to the outside of the hollow profile pointing away from the cavity.
    The invention further proposes a crane, in particular a gantry crane or overhead crane, which, in particular as a crane girder, has at least one hollow profile according to the
    Invention has. The at least one hollow profile can thus be used as a structural component, ie a load-bearing component of the crane.
    The at least one add-on part is preferably a running rail of the crane for at least one running wheel of a trolley of a lifting device of the crane. The hollow profile advantageously has a plurality of fastening elements, the running rail being fastened to the fastening elements in the operating state, preferably by means of rail clamps. The running rail could also be called a crane rail for the trolley. In other applications this could be the
    Hollow profile attachable attachment can be a ladder, console or the like.
    Furthermore, a method according to the invention for fastening an add-on part, in particular a running rail, to a hollow profile according to the invention is proposed. The sealing compound is applied to the section of the outer wall delimiting the passage opening or to the fastening element. The fastening element is then introduced into the passage opening, the space between the section of the outer wall delimiting the passage opening and the fastening element being sealed with the sealing compound, and the attachment, in particular after the sealing compound has been crosslinked, being fastened to the hollow profile by means of the fastening element.
    It can be provided that the threaded section is covered before the fastening element is introduced, in order to prevent the threaded section from becoming contaminated with sealing compound, in particular adhesive.
    The passage opening could be made, for example, by drilling a through hole in the outer wall of the hollow profile.
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    9999 99.9
    9 9 • 9 9 999
    Hofmann Λ Fefjmef, • · · · · • · »· ··· • · · · * • · · · ·
    99 99
    It can further be provided that the outer wall and a section of the fastening element which projects from the outer wall in the operating state are coated with a corrosion protection layer after the sealing compound has hardened.
    The corrosion protection layer is applied to the outside of the outer wall and only after the fastening elements have been fastened in the through openings.
    Further features and details of preferred embodiments of the invention are shown in the form of various variants in the presentations. Show it:
    1 is a representation of a hollow profile according to the prior art with welded fasteners,
    2 is an isometric view of a crane according to the invention with hollow profiles according to the invention;
    3 shows a cross-sectional view of the main girder of the crane according to FIG. 2, which is designed as a hollow profile;
    FIG. 4 shows detail A according to FIG. 3 without impeller;
    FIG. 5 shows detail B according to FIG. 4;
    6 shows a representation of the fastening element according to the first exemplary embodiment of the invention;
    7 to 9 examples of alternative design variants of fastening elements;
    Fig. 10 shows a second embodiment of a hollow profile according to the invention in a representation analogous to Fig. 4, and
    11 shows a schematic illustration of a corrosion protection layer in a representation analogous to FIG. 5.
    Fig. 2 shows an example of a gantry crane 14 according to the invention, which is a lifting device 17 for lifting a load, e.g. of a container, with a portable trolley 16. The trolley 16 is supported on two crane girders of the crane 14 and can be moved in mutually opposite travel directions 31. The crane girders could too
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    Hofmann Furthermore. .. ....
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    are referred to as the main girder of the crane 14 and are designed as hollow profiles 1 according to the invention. The respective hollow profile 1 is elongated. The trolley 16 has wheels 12 which are supported on an attachment 5 attached to the respective hollow profile 1. In this application, the attachment 5 has a running surface for the running wheels 12 and is designed as a running rail for the trolley 16. The two hollow profiles 1 of the crane 14 can be connected to one another at their front ends by means of horizontal connections 21, as is shown here. The substructure of the crane 14 consists of the supports 19 and horizontal connections 20 which connect the supports 19 to one another. By means of the trolleys 18 of the crane 14, in the exemplary embodiment shown, the latter can be moved in opposite directions of movement 30 along a crane runway, not shown.
    FIG. 3 shows a cross-sectional view orthogonal to the longitudinal extent of the left one of the hollow profiles 1 shown (= orthogonal to the opposite travel directions 31 of the trolley 16) according to FIG. 2. The hollow profile 1 has an essentially elliptical cross section. In other embodiments, the hollow profile 1 could, however, also have a cross section deviating from the elliptical shape and be composed, for example, of straight metal sheets.
    An outer wall 3 of the hollow profile 1 delimits the cavity 2 of the hollow profile 1. In order to absorb the load introduced by the impeller 12, the outer wall 3 of the hollow profile 1 has a straight wall section which is formed by a double T-beam. On the end faces of the hollow profile 1, the hollow profile 1 is closed by end plates, which are not shown separately in the figures. Furthermore, no reinforcement bodies in the form of so-called buckling stiffeners etc. are shown in the figures, which, depending on the forces to be expected, may be necessary to reinforce the hollow profile 1.
    The add-on part 5, designed as a running rail, is supported on the upper flange of the double T-beam and is attached to a plurality of fastening elements 4
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    9 9 9 9 9 9 9 9
    Hollow section 1 attached. A rail support 25 is additionally arranged between the running rail and the upper chord. The rail pad 25 could e.g. B. from an elastic material, for. B. an elastomer.
    In the first embodiment according to the invention it is provided that the fastening element 4 is a fitting screw. Fitting screws have a threaded section 10 and an adjoining smooth shaft 26, the shaft 26 being located between the threaded section 10 and a head 8 of the fitting screw. The diameter of the shaft 26 is larger than the diameter of the threaded section 10, cf. 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. by drilling a through hole in the top chord of the double T-beam.
    In the first exemplary embodiment, it is provided that 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.
    An intermediate space between a section 36 of the outer wall 3 delimiting the passage opening 6 and the fastening element 4 is sealed according to the invention with a sealing compound 7. In the operating state of the hollow profile 1, the sealing compound 7 is preferably networked or at least set. The sealing compound 7 adheres both to the fastening element 4 and to the section 36 of the outer wall 3 delimiting the passage opening 6. The shaft 26 or generally a thread-free region of the fastening element 4 is particularly preferably arranged in the passage opening 6. The penetration of fluid, in particular rainwater, into the cavity 2 of the hollow profile 3 is prevented by the sealing compound 7.
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    In the first embodiment, it is provided that the sealing compound 7 is an adhesive. Because of the adhesion of the adhesive to the fastening element 4, preferably its shaft 26, and to the section 36 of the outer wall 3 delimiting the passage opening 6, the fastening element 4 and the outer wall 3 are also firmly connected to one another by the inner strength of the adhesive in the hardened state of the adhesive.
    The hardened adhesive expediently absorbs the entire counter-torque for the pretensioning of the fastening element 4. This is particularly advantageous since the cavity 2 of the hollow profile 1 is advantageously completely sealed from the atmosphere in the operating state. As a result, the head 8 is no longer accessible from outside the hollow profile 1 after the hollow profile 1 has been sealed welded. By using a suitable adhesive, it is thus possible to dispense with holding the head 8 with a tool during the pretensioning or assembly of the attachment 5.
    In the first exemplary embodiment it is provided that sealing compound 7 in the form of an adhesive is additionally arranged between the head 8 of the fastening element 4 and the inner surface 9 of the outer wall 3, cf. Fig. 5. This further improves the tightness and achieves a higher counter torque for pretensioning the fastening element 4.
    Preferably, the adhesive is a high-strength adhesive, e.g. B. urethane methacrylate. It is particularly preferred that the adhesive cures anaerobically, i.e. that is, 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 space between the section of the outer wall 3 delimiting the passage opening 6 and the fastening element 4 is designed as an annular gap.
    The section 36 of the outer wall 3 that delimits the passage opening 6
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    preferably formed in the shape of a circular cylinder. The smooth shaft 26 of the fastening element 4, which is designed as a fitting screw, is located in the passage opening 6 in the operating state of the hollow profile 1. In the first exemplary embodiment, the annular gap is thus designed as an annular cylinder. The gap width 11 of the annular gap is between 0.01 and 0.15 mm at least over the major part of the length of the annular gap. In the exemplary embodiment it is provided that the annular gap has a gap width 11 of 0.05 mm. This ensures reliable bonding of the fastening element 4 to the outer wall 3 of the hollow profile 1. The gap width 11 is measured radially to the direction of the longitudinal extent of the fastening element 4.
    The sealing compound 7, in particular the adhesive, preferably fills the annular gap completely, as shown in FIG. 5.
    To clamp the add-on part 5 designed as a running rail, a rail clamp 13 is also provided in the exemplary embodiment shown, which cooperates with the respective fastening element 4. The running rail is clamped down in the operating state by means of a nut 22 which is screwed onto the threaded section 10 of the fitting screw. The rail clamp 13 is supported on the one hand on the rail foot of the running rail and on the other hand on a lower clamp part 24, cf. Fig. 5. Between the nut 22 and the
    Rail clamp 13 are arranged in the first embodiment wedge lock washers 34. The wedge lock washers 34 prevent the nut 22 from loosening independently during the operation of the crane 14.
    Furthermore, in the first exemplary embodiment, the nut 22 is covered with a protective cap 23, which prevents moisture or liquids from penetrating between the threads of the nut 22 and the threaded section 10 of the nut
    Fastener 4 prevented. The protective cap 23 can also be filled with grease to prevent water from penetrating into the threads.
    Around an add-on part 5 designed as a running rail on a hollow profile 1 for one
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    To fasten crane 14, appropriately dimensioned fasteners 4 are necessary to accommodate the typical loads. Suitable fit bolts preferably have a metric thread between M16 and M24 and more. In the first embodiment, the fitting screw has an M20 thread, for example.
    Favorably, the fastening element 4 has a burnished, i.e. black, surface on. However, it is also conceivable and possible for the surface of the fastening element 4 to be coated. E.g. the fastener 4 could also be galvanized.
    It is conceivable and possible that the hollow profile 1 and at least a portion of the fastening element 4 protruding from the outer wall 3 are coated on the outside of the hollow profile 1 with a corrosion protection layer 33. This protects these components from the effects of the weather or standing water. In
    11 shows an example of an outer corrosion protection layer 33. The
    Corrosion protection layer 33 could e.g. a paint composition, a galvanizing or the like, which on the hollow profile 1 and / or on the
    Fastener 4 is applied. In Fig. 11, the thickness of the anti-corrosion layer 33 is shown exaggerated around the anti-corrosion layer
    33 to illustrate. The fastener 4 is in the range of
    Outer wall 3 protruding portion of the shaft 26 covered by the anti-corrosion layer 33.
    A method for fastening the attachment 5, in particular the running rail according to the first exemplary embodiment, to the hollow profile 1 is described below. As already explained above, the through openings 6 are drilled in the outer wall 3 of the hollow profile 1. After drilling, the section 36 of the outer wall 3 delimiting the passage opening 6 is in each case in the shape of a circular cylinder jacket. Then the sealing compound 7, in particular the
    Adhesive to which section 36 of outer wall 3 delimiting the respective passage opening 6 is applied. If necessary, the area of the inner surface 9 in which the head 8 of the fastening element 4 in the
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    «• ·· · ···· • · • · · ·
    Operating state of the hollow profile 1 rests, sealing compound 7 applied, as is the case in the first embodiment. In an alternative embodiment, the adhesive could also be applied to the fastening element 4 instead. Some adhesives also require that the adhesive be attached to the two
    Components is applied. This essentially depends on the adhesive used.
    Furthermore, the fastening elements 4 are introduced into the respective passage opening 6. In the exemplary embodiment, the fastening elements 4 are introduced during the manufacturing process of the hollow profile 1 in a method step in which the cavity 2 is still accessible in order to insert the fastening element 4 from the cavity 2 through the passage opening 6. During the insertion of the fastening element 4, the threaded section 10 is advantageously covered in order to prevent the threaded section 10 from being contaminated with sealing compound 7 when the fastening element 4 is being passed through the passage opening 6. The space between the section 36 of the outer wall 3 delimiting the passage opening 6 and the fastening element 4 is sealed with sealing compound 7, in particular the adhesive, after the fastening element 4 has been inserted.
    The hollow profile 1 can be turned upside down during the insertion of the fastening element 4, i. H. that the respective fastening element 4 rests with its head 8 on the inner surface 9 of the outer wall 3 after insertion and is pressed firmly against the inner surface 9 by the weight of the fastening element 4. The dead weight of the fastening element 4 is usually sufficient to ensure secure bonding between the fastening element 4 and the outer wall 3. But it is also conceivable and possible that the fastening element 4 ζ. B. is biased by a nut while the sealant 7, e.g. the adhesive hardens. Furthermore, the fastening element 4 could also be driven into the passage opening 6 with a spring-back-free hammer. The tightness can be checked by means of a
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    00021/0033 ·· ·· ·· · ♦ ···· ···· • · ·· · · ·· ·
    Leak test can be demonstrated.
    After the sealing compound 7 has hardened, a corrosion protection layer 33, e.g. a protective coating is applied from the outside to the outer wall 3 and a section of the fastening element 4 protruding from the outer wall 3, as has already been explained in connection with FIG. 11. The threaded section 10 of the fastening element 4 is advantageously covered when the corrosion protection layer 33 is applied. After applying the
    Corrosion protection layer 33, this cover can be removed again from the fastening element 4.
    After the optional corrosion coating 33 has hardened and / or dried, the rail support 25 and the add-on part 5 can then be placed on the hollow profile 1. After the lower clamp part 24 and the rail clamp 13 have been pushed onto the fastening element 4, the rail clamp 15 is clamped down by tightening the nut 22 in order to fasten the add-on part 5 to the hollow profile 1. Furthermore, the optional protective cap 23 can be pushed over the nut 22.
    As can be seen in FIGS. 3 and 4, a fastening element 35 is provided in the area outside the cavity 2 for the additional fastening of the attachment 5 to the hollow profile 1. In the first exemplary embodiment, the fastening element 35 is designed analogously to the fastening element 4. However, the head 8 of the
    Fastener 35 accessible from the outside, i.e. the fastening element 35 is guided through a passage opening 32 which penetrates a section 36 of the outer wall 3 of the hollow profile 1 which is open to the atmosphere on both sides, cf. 4. Otherwise, the attachment 5 can be fastened by means of the fastening element 35 analogously to the fastening element 4. Here, too, the space between the section 36 of the outer wall 3 delimiting the passage opening 32 and the fastening element 35 can be sealed with a crosslinkable or crosslinked sealing compound 7, in particular adhesive. This seal can also be used at this point
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    Hofmann & Fechner @ 0022/0033 • · ···· ·· • · ·· ·· ·· · ··· can be omitted.
    7 to 9, alternative embodiments are suitable
    Fasteners 4 shown. The fastening element 4 shown in FIG. 7 is designed as a screw which has a threaded section 10 which extends essentially up to the head 8. 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.
    8 shows a fastening element 4 designed as a bolt. The bolt has a head 8 and a threaded section 10 for prestressing the fastening element 4. In the assembled state, the shaft 26 is located in the area of the passage opening 6, analogously to the first exemplary embodiment. Apart from the head 8, which is designed as a circular cylindrical head, the functioning of the fastening element 4 according to this embodiment variant is similar to the fitting screw according to FIG. 6. In particular, it is also conceivable and possible that in the area of the head 8, which is in the operating state on the Inner surface 9 of the outer wall 3 is supported, sealing compound 7 is arranged.
    9 shows a further fastening element 4 designed as a bolt. In contrast to the bolt shown in FIG. 8, the bolt according to FIG. 9 has no head. In particular when using such a bolt, it is advantageous if the sealing compound 7 is an adhesive. The gluing then takes place on the lateral surface of the shaft 26 of the bolt and then takes up the counter-torque for fastening the attachment 5. The bolt according to FIG. 9 additionally has a threaded section 10 which, for example, forms a screw connection with a nut analogous to the first exemplary embodiment for tensioning the rail clamp 13. In a further embodiment, such a bolt can also have a continuous thread on its entire outer surface, that is to say, in principle, like the screw according to FIG. 7, only be formed without a head 8.
    18/31
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    Hofmann & Fechner @ 0023/0033
    10 shows a second exemplary embodiment of a hollow profile 1 according to the invention. The structural structure of the hollow profile 1 and the arrangement of the add-on part 5, which is also designed here as a running rail for a trolley, corresponds to that of the first exemplary embodiment, so that the explanations for the second exemplary embodiment mainly refer to the differences from the first exemplary embodiment. Apart from the differences listed below, the explanations for the first apply
    Embodiment also in the second embodiment.
    In the second exemplary embodiment it is provided that 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 shows a sectional view in which the wedge 28 is inserted into the opening TI. Such arrangements with a wedge 28 for bracing two components are known. The fastening element 4 is fastened to the hollow profile 1 on a cylindrical outer surface of the bolt with sealing compound 7, in particular adhesive. The rail clamp 13 is tensioned by driving in the wedge 28.
    In Figures 1 to 11 hollow profiles 1 are shown, which are used to attach attachments 5 designed as a running rail. In addition to the hollow profiles 1, the crane 14 according to FIG. 2 also has other crane girders in the manner of a hollow profile according to the invention. The supports 19 and the horizontal connections 20 are designed as hollow profiles 15, which may have fastening elements 4, not shown, according to the invention. For example, 15 conductors or other add-on parts 5 of the crane 14 could be fastened to the hollow profiles by means of fastening elements arranged on the hollow profiles 15. In the sense of the invention, it is also advantageous here if the respective cavity of the hollow profile 15 is completely separated from the surroundings.
    In the exemplary embodiments, embodiments of the invention are shown in which the sealing compound 7 is an adhesive. However, it can also be provided that the sealing compound 7 essentially only seals the intermediate space between
    19/31
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    Hofmann & Fechner @ 10024/0033 »·· · ···· serves the section 36 of the outer wall 3 delimiting the passage opening 6 and the fastening element 4 and has little or no fastening effect. It must then be ensured that the counter-torque for prestressing the fastening element 4 in another way, e.g. is ensured by means of a positive connection on the inner surface 9 of the outer wall 3 which prevents the head 8 of the fastening element 4 from rotating.
    Deviating from the example of a crane 14 shown in FIG. 2, the crane could also have only a single main beam instead of two main beams, in which case a pair of running rails can then advantageously be fastened to the hollow profile 1 by means of a plurality of fastening elements 4.
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    Hofmann & Fechner @ 0025/0033 ·· ·· ·· ·· ···· ···· · «··· · · · · • ·· · · · · ·· · ··· ·· · · · · · · ···
    Legend for the reference numbers:
    Hollow profile 19th support cavity 20th Horizontal connection Outer wall 21 Horizontal connection Fasteners 22 mother Attachment 23 protective cap Passage opening 24th Clamp lower part Sealant 25th Track pad head 26 shaft Inner surface 27 opening Thread section 28 wedge Gap width 29 Weld Wheel 30th Direction of movement Rail clamp 31 Direction of travel crane 32 Entrance opening Hollow profile 33 Corrosion protection layer Trolley 34 Wedge lock washers Hoist 35 Fastener landing gear 36 section
    21/31
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    14:01 FAX +43 5522 7313710
    Hofmann & Fechner @ 0026/0033
    T +43 (0) 5522 73 137
    F +43 (0) 5522 73137-10
    M office@vpat.at
    I www.vpat.at
    Patent attorneys
    Hofmann Sc Fechner
    Dr. Ralf Hofmann Dr. Thomas Fechner Hörnlingerstr. 3, P.O.Box 5 6830 Rankweil, Austria
    27607/35
    161020
    权利要求:
    Claims (10)
    [1]
    Claims
    1. hollow profile (1,15), in particular crane girder for a crane (14), the hollow profile (1,15) having a cavity (2) and an outer wall (3) delimiting the cavity (2) and at least one of the outer wall ( 3) protruding fastening element (4) for, preferably detachable, fastening of at least one add-on part (5) to the hollow profile (1, 15), characterized in that the outer wall (3) has at least one passage opening (6) opening into the cavity (2) ) for the fastening element (4), and an intermediate space between the section (36) of the outer wall (3) delimiting the passage opening (6) and the fastening element (4) with a sealing compound (7) passing through the passage opening (6) is sealed.
    [2]
    2. Hollow profile (1,15) according to claim 1, characterized in that the fastening element (4) has a head (8) which is arranged in the cavity (2) of the hollow profile (1,15) and on which the cavity ( 2) supports the inner surface (9) of the outer wall (3).
    [3]
    3. hollow profile (1,15) according to claim 2, characterized in that additionally between the head (8) of the fastening element (4) and the inner surface (9) of the outer wall (3) sealing compound (7) is arranged.
    [4]
    4. Hollow profile (1,15) according to one of claims 1 to 3, characterized in that the sealing compound (7) is a, preferably curing or hardened, adhesive.
    22/31
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    Hofmann & Fechner
    00027/0033
    [5]
    5. Hollow profile (1,15) according to one of claims 1 to 4, characterized in that the fastening element (4) is a screw, in particular a fitting screw.
    [6]
    6. Hollow profile (1,15) according to one of claims 1 to 4, characterized in that the fastening element (4) is a, preferably a threaded portion (10), bolt.
    [7]
    7. Hollow profile (1, 15) according to one of claims 1 to 6, characterized in that the space between the section (36) delimiting the passage opening (6) of the outer wall (3) and the fastening element (4) is designed as an annular gap, wherein a gap width (11) of the annular gap is 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.
    [8]
    8. crane (14), in particular gantry crane or overhead crane, characterized in that it, in particular as a crane girder, has at least one hollow profile (1, 15) according to one of claims 1 to 7.
    [9]
    9. Crane (14) according to claim 8, characterized in that the at least one add-on part (5) is a running rail of the crane (14) for at least one impeller (12) of a trolley (16) of a lifting device (17) of the crane (14) and the hollow profile (1, 15) has a plurality of fastening elements (4), the running rail being fastened to the fastening elements (4) in the operating state.
    [10]
    10. The method for fastening an attachment (5), in particular a running rail, to a hollow profile (1, 15) according to one of claims 1 to 7, characterized in that the sealing compound (7) on the section (6) delimiting the passage opening (6) 36) the outer wall (3)
    23/31
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    Hofmann & Fechner @ 0028/0033 ·· ·· ·· ·· ···· ···· • · · · · · · ·· • ·· ···· ·· · ··· and / or on the Fastening element (4) is applied, and furthermore the fastening element (4) is introduced into the passage opening (6), the gap between the section (36) of the outer wall (3) and
    5 the fastening element (4) is sealed with the sealing compound (7), and the attachment (5), in particular after the sealing compound (7) has been crosslinked, is fastened to the hollow profile (1,15) by means of the fastening element (4).
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    Hofmann & Fechner @ 0030/0033
    27607
    25/31
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    Hofmann & Fechner © 0031/0033
    26/31
    No .: R882 L1
    27607
    17/11/2016 14:16
    P .031 / 033
    17/11 2016 14:05 FAX +43 5522 7313710
    Hofmann & Fechner
    00032/0033 ·· ···· ···· • · · «· ··· • · · · • · · · ··« ··· ·· ·· ·· • * · · · • »· · ··· • · · · · • · · · · ·· ·· ··
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    Hofmann & Fechner @ 0033/0033
    28/31
    No .: R882 L1
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    27607
    17/11/2016 14:17 ·· ·· · · · ···· ····· · ··· • ·· ····· · «·· • ·· ······« ·· · * ····. · · · · ·· Di »^ alf Ftefmann ······
    Dr. Thomas Fechner Hörnlingerstr. 3, PO Box 5
    Patent attorneys
    Hofmann S <Fechner
    6830 Rankweil, Austria
    T +43 (0) 5522 73 137 F +43 (0) 5522 73 137-10 M office@vpat.at www.vpat.at
    27607/35
    170816
    Claims
    1. hollow profile (1,15), in particular crane girder for a crane (14), the hollow profile (1,15) having a cavity (2) and an outer wall (3) delimiting the cavity (2) and at least one of the outer wall ( 3) projecting fastening element (4) for, preferably detachable, fastening of at least one add-on part (5) to the hollow profile (1, 15), the outer wall (3) opening at least one into the cavity (2)
    Has passage opening (6) for the fastening element (4), characterized in that an intermediate space between the section (36) of the outer wall (3) delimiting the passage opening (6) and the fastening element (4) passed through the passage opening (6) is sealed with a sealing compound (7).
    2. Hollow profile (1, 15) according to claim 1, characterized in that the fastening element (4) has a head (8) which is arranged in the cavity (2) of the hollow profile (1, 15) and on which the cavity ( 2) supports the inner surface (9) of the outer wall (3).
    3. hollow profile (1, 15) according to claim 2, characterized in that additionally between the head (8) of the fastening element (4) and the inner surface (9) of the outer wall (3) sealing compound (7) is arranged.
    4. Hollow profile (1, 15) according to one of claims 1 to 3, characterized in that the sealing compound (7) is a, preferably curing or cured, adhesive.
    29/31 [LAST CLAIMS] • · · θ ' · · · • · · / Λ · · · · • · 9 ^ - ^ - 9 99 9 9 99 9 9
    5. Hollow profile (1, 15) according to one of claims 1 to 4, characterized in that the fastening element (4) is a screw, in particular a fitting screw.
    6. Hollow profile (1,15) according to one of claims 1 to 4, characterized in that the fastening element (4) is a, preferably a threaded portion (10), bolt.
    7. Hollow profile (1, 15) according to one of claims 1 to 6, characterized in that the intermediate space between the section (36) delimiting the passage opening (6) of the outer wall (3) and the fastening element (4) is designed as an annular gap, wherein a gap width (11) of the annular gap is 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.
    8. crane (14), in particular gantry crane or overhead crane, characterized in that it, in particular as a crane girder, has at least one hollow profile (1, 15) according to one of claims 1 to 7.
    9. Crane (14) according to claim 8, characterized in that the at least one add-on part (5) is a running rail of the crane (14) for at least one impeller (12) of a trolley (16) of a lifting device (17) of the crane (14) and the hollow profile (1, 15) has a plurality of fastening elements (4), the running rail being fastened to the fastening elements (4) in the operating state.
    10. A method for fastening an add-on part (5), in particular a running rail, to a hollow profile (1, 15) according to one of claims 1 to 7, characterized in that the sealing compound (7) on the section (6) delimiting the passage opening (6) 36) the outer wall (3)
    30/31 [LAST CLAIMS ^ ·· ·· • · Λ ~ · · • · · 23ί · · · · • · ···· ··· «and / or on the fastening element (4), and in Furthermore, the fastening element (4) is introduced into the passage opening (6), the space between the section (36) of the outer wall (3) and the area delimiting the passage opening (6)
    5 the fastening element (4) is sealed with the sealing compound (7), and the attachment (5), in particular after the sealing compound (7) has been crosslinked, is fastened to the hollow profile (1, 15) by means of the fastening element (4).
    31/31
    LAST CLAIMS
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    同族专利:
    公开号 | 公开日
    EP3323764A1|2018-05-23|
    AT518783B1|2018-01-15|
    US20180134526A1|2018-05-17|
    EP3323764B1|2019-02-27|
    US10625989B2|2020-04-21|
    EP3323764B9|2019-10-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE1948467U|1963-01-17|1966-10-27|Gabriel Lucien Francois Selam|CRANE BRIDGE.|
    DE1248256B|1963-05-25|1967-08-24|Maschf Augsburg Nuernberg Ag|Crane component, in particular crane girder or crane boom|
    US1046347A|1912-08-21|1912-12-03|David Terrel|Railway-track construction.|
    FR1123262A|1955-03-05|1956-09-19|Dev Etudes Et Realisations Spe|Improvements made to structures comprising beams with two end supports, in particular to overhead cranes|
    YU34068B|1968-09-25|1978-10-31|Vyzk Ustav Stavebnich Hmot|Apparatus for fluidizing pulverous lime obtained in a rotary furnace|
    US5304023A|1992-10-23|1994-04-19|Metaltite Corporation|Metal panel fastener|
    US5744197A|1996-08-26|1998-04-28|J. B. Faith Co.|Method of protecting aluminum skins of land vehicles from corrosion|
    US6557775B1|2001-11-20|2003-05-06|John Dillard Brinson|Dolly track|
    US7770810B2|2005-04-12|2010-08-10|Kennard Christopher S|Track device|CN112078990A|2020-09-27|2020-12-15|中化珠海石化储运有限公司|Efficient movable device for cleaning or preventing corrosion of storage tank|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA526/2016A|AT518783B1|2016-11-17|2016-11-17|hollow profile|ATA526/2016A| AT518783B1|2016-11-17|2016-11-17|hollow profile|
    EP17192718.9A| EP3323764B9|2016-11-17|2017-09-22|Hollow profile|
    US15/793,328| US10625989B2|2016-11-17|2017-10-25|Hollow profile|
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