EP2265535B1 - Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen - Google Patents

Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen Download PDF

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Publication number
EP2265535B1
EP2265535B1 EP09734477.4A EP09734477A EP2265535B1 EP 2265535 B1 EP2265535 B1 EP 2265535B1 EP 09734477 A EP09734477 A EP 09734477A EP 2265535 B1 EP2265535 B1 EP 2265535B1
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EP
European Patent Office
Prior art keywords
spherical
load
flat structure
load take
take
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09734477.4A
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German (de)
English (en)
French (fr)
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EP2265535A1 (de
Inventor
Helmut Rube
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.)
Carl Stahl GmbH
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Carl Stahl GmbH
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Filing date
Publication date
Application filed by Carl Stahl GmbH filed Critical Carl Stahl GmbH
Publication of EP2265535A1 publication Critical patent/EP2265535A1/de
Application granted granted Critical
Publication of EP2265535B1 publication Critical patent/EP2265535B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

Definitions

  • the invention relates to a surface structure with a load-receiving device according to the preamble of claim 1. Such an arrangement is known from US 5,622,197 known.
  • Structural concepts have increasingly found their way into modern architecture, in which planar elements, such as tent or umbrella-like covers, which form part of a supporting structure as a textile building material, are anchored or stretched onto support devices, for example on steel supports.
  • planar elements such as tent or umbrella-like covers
  • support devices for example on steel supports.
  • the relevant elements form space-forming structures of a respective desired architectural shape
  • the respective, appropriate introduction of the load forces, in particular the spanning or supporting cable forces is essential.
  • the line of action of the cable force to be introduced and acting on the support device concerned is independent of the respective orientation (inclination) of the support belonging to the support.
  • the invention has for its object to provide a surface structure with a load receiving device that meets the relevant requirements in a special way.
  • this object is achieved by a surface structure with a load-receiving device having the features of claim 1 in its entirety.
  • the transfer surface is at least partially convexly curved or formed by surface parts which are circumscribed on the load receiving part of a convexly curved envelope. Due to the interaction with an associated concavity of a support surface of the traction device, the load transfer is therefore via a ball-joint-like compound, which is substantially free of lateral forces at different Glasraumen. This allows an optimal connection of réellespannender surface structures, without the risk that it comes to distortions by the action of lateral forces.
  • the spreading over of the transfer surface on the load receiving part by a concavity defining the carrier surface on the traction means provides security against hooking, regardless of where the line of action of the tensile force intersects the arched transfer surface on the load receiving part.
  • the load receiving part may be formed in the manner of a spheroid.
  • the term "kind of spheroid" in the present context is to be understood not only a strictly spherical body, such as a smooth sphere or hemisphere, but any spherical-like domed body, possibly with oval in cross-section, or in the form of a ball-like Body contoured on its surface, for example ribbed or grooved, wherein the summit regions form circumscribed areas of area of a convexly curved envelope.
  • the transfer surface can also be a spherical surface forming part of a spherical body, which can cooperate with a kind of ball hook on the traction means, on which the carrier surface is formed by parts of a spherical cap.
  • the spherical surface is formed on a load-receiving part forming part of the ball, which is connectable via an anchor part with the support structure.
  • its anchor part can be formed directly on the support structure.
  • the arrangement can also be made such that the area surfaces forming the transfer surface, circumscribed by a convexly curved envelope, are offset from one another by surface areas taken back in the load receiving part.
  • the attack of the support surface of the traction device thus takes place on area areas on the load receiving part, between which are recessed areas. These areas may form a receiving space for particles such as sand, soot or the like when using the load bearing device under unfavorable environmental conditions, especially when there is a high risk of contamination.
  • the arrangement may be such that spaced-apart surface areas are formed on the load receiving part by annular ribs, which, relative to the axis of the anchor member in radial planes at a distance from each other, and / or formed by ring sections forming ribs, starting from the anchor part to each other run divergently and separated by wells.
  • a pattern of ribs and depressions may also be provided, for example by ribs extending in radial planes being interrupted by depressions which, starting from the shaft part, run divergently with respect to one another and intersect the ribs at a right angle.
  • a shaft part projecting on an outer surface of the support structure is preferably provided as the anchor part, to which end the ball part integrally connected with it adjoins.
  • the ball part projecting on the outer surface of the structure be it that the ball part adjoins a shaft part at the end or is integrally formed on the structure, it is possible to also attack laterally on a support structure, ie. H. with a pulling direction running along the outer surface of the structure.
  • the invention is characterized by particularly diverse uses.
  • the shaft part terminates in a threaded pin which can be screwed to the support structure.
  • the load-receiving part is thereby particularly simple and safe attachable to support structures and easily removable from it, so that it is optionally available for reuse.
  • the shank part at the end of the threaded pin adjacent to the ball part has an extension in the form of a collar whose diameter is greater than that of the threaded pin and forms a support surface for the system on the outside of the screwed to the threaded support structure.
  • the diameter of the collar is about twice the diameter of the threaded pin
  • the diameter of the ball body of the ball member preferably also has about twice the diameter of the diameter of the threaded pin.
  • the arrangement may be made such that the traction means comprises a ball hook with a ball carrier housing in which the ball Tü and an adjacent thereto part of the shaft portion of the load-receiving part can be received and the inside has parts of a spherical cap, with their spherical surface parts themselves or with the radially outwardly projecting surface parts of the spherical surface parts forms the support surface for the interaction with the transfer surface on the ball part of the load-receiving part.
  • the ball carrier housing may have a receiving space which surrounds the ball part and the adjacent shaft part in the state of entanglement with the load receiving part.
  • Such a housing may be designed like a bell with a top part opposite the upper part, at which an attack point for the tensile force generated by the traction means, for example in the form of a rope is located, wherein the line of action of the tensile force defines a bottom part to upper part extending main axis of the ball carrier housing.
  • the arrangement may be made so that recesses for movements of the load-receiving part inside the ball carrier housing and out of this prescribe a direction perpendicular to the main axis of movement.
  • a ball hook is formed in which the entanglement by a transverse to the main axis of the ball carrier housing transverse movement relative to the load receiving part is established.
  • the recesses provided in the ball carrier housing can be formed by a slot in the bottom part with a width enabling the passage of the shaft portion of the load receiving portion and an opening in the side wall adjoining the slot, which allows the passage of the ball portion of the load receiving portion.
  • a flap pivotable about an axis perpendicular to the main axis and to the longitudinal direction of the lock can be provided on the upper part of the ball carrier housing, which can be moved into a partially blocking position for securing the hooked state or into a position releasing the breakthrough, wherein Preferably, the flap is biased in the blocking position.
  • the ball carrier housing is not formed as a uniform bell body, but the arrangement is such that the upper part of the ball carrier housing connected to the point of application for the tensile force generated by the traction device pivot bearing for two cup-shaped housing halves forms between an unfolded Enthakungsposition and a can be pivoted to each other folded Verhakungsposition, wherein the receiving space is formed, which surrounds the ball portion of the load-receiving part, leaving only the adjacent to the ball portion shaft portion in the state of entanglement.
  • the receiving space is formed, which surrounds the ball portion of the load-receiving part, leaving only the adjacent to the ball portion shaft portion in the state of entanglement.
  • the Fig.1 shows in a highly schematically simplified representation of a surface structure with a surface structure, in the form of a sail S approximately rectangular contour of textile material that forms a tent or umbrella-like roof surface.
  • the sail S is mounted on a supporting structure, each with a respective corner region of the sail S associated steel support 10 which are each slightly inclined outwards on a bottom surface B and are braced at this by means of tensioning cables 14.
  • At the free end 12 of each support 10 are located in order to introduce the tensioning forces spanning the sail S into the steel supports 10 two load-bearing devices according to the invention, which are in Fig.1 not shown in detail, but only schematically indicated at 20.
  • each steel support 10 load-receiving devices 20 is a traction means, of which in Fig.1 only one steel cable 9 is visible, which initiated the sail S exciting traction.
  • the design of the traction means and their associated load bearing device is explained with reference to the other figures.
  • FIG. 2 An in Fig. 2 one of these traction means is designated as a whole with 1 and has a metallic ball carrier housing 3, which is closed at the upper end by an upper part 5, which is formed integrally with the rest of the housing as a circular cover plate, the distance from each other upwardly projecting leg-like projections. 7 between which an attack point for the associated steel cable 9 is formed.
  • a bell-shaped side wall 11 extending to a bottom part 13 of the ball carrier housing 3 extends.
  • a receiving space 15 is formed between the upper part 5 and the bottom part 13, which extends approximately circularly cylindrical from the upper part 5 against the bottom part 13, wherein the circular cylindrical shape, however, ends in front of the inside of the bottom part 13.
  • the Fig. 3 shows in a separate representation of the designated as a whole with 17 load-receiving part according to the embodiment of the invention to be described here.
  • the load receiving part 17 is a one-piece, rotationally symmetrical metal part and has three main parts, namely a circular shaft portion 19 with an adjoining at the top in the drawing end Ball part 21 and at the other, the lower end subsequent threaded pin 23.
  • the shaft portion 19 serves as an anchor part for anchoring to a supporting structure.
  • a circular annular flange forming collar 25 At the transition of the shaft portion 19 in the threaded pin 23 is a circular annular flange forming collar 25, the diameter of which in the example shown is greater than the diameter of the ball member 21 and about twice as large as the diameter of the threaded pin 23.
  • the threaded pin 23rd facing bottom of the collar 25 forms a flat annular surface, whose function is discussed below.
  • the ball member 21 forms, based on a located on the vertical axis 29 center of curvature 31, a part of a spherical body 33, which, starting from the end of the shaft portion 19, to a ring portion 35 extends, where the curvature relative to the previous spherical radius merges into a radius of curvature , which in the example shown is smaller by a factor of 2.5 than the radius of the spherical body 33.
  • a flat flattening 39 joins as an end face of the ball member 21.
  • Fig. 4 shows the state of entanglement of the traction means 1 with the load-receiving part 17, which is screwed by means of its threaded pin 23 with the support structure 41 so that the shaft portion 19 projects on the flat outer side 43 of the support structure 41.
  • Fig. 2 and 4 It can be seen here is the annular surface 27 on the collar 25, which forms an extension of the shaft 19, on the outer side 43 of the support structure 41 as a support surface.
  • the collar 25 in the example shown has two diametrically opposite flattenings 45, which enable the screwing to be tightened by means of a turning tool, for example an open-end wrench.
  • an internal or external hexagon could be provided on the head-side flattening 39.
  • Fig. 2 and 4 The design of the inside of the bottom part 13 of the ball carrier housing 3 is made Fig. 2 and 4 recognizable.
  • a central, continuous straight slot 47 located in the bottom part 13 is a central, continuous straight slot 47, the width of which is slightly larger than the diameter of the shaft part 19 of the load-receiving part 17.
  • the slot 47 thus forms an insertion path, along which the load receiving part 17 into the interior of the receiving space 15 can be inserted.
  • an opening 51 formed in the side wall 11 of the ball carrier housing 3 adjoins at the end 49 of the slot 47 forming an entrance area, which forms a kind of round window which extends into the vicinity of the upper part 5.
  • the window size of this aperture 51 is selected so that when the stem 19 of the load receiving member 17 is inserted along the slot 47, the ball member 21 may enter the receiving space 15 through the aperture 51.
  • the inside of the bottom part 13 is shaped so that concave surface parts are present, which form a carrier surface for the transmission of traction for the installation of the convex transfer surface 34 of the load-receiving part 17.
  • concave surface parts which form a carrier surface for the transmission of traction for the installation of the convex transfer surface 34 of the load-receiving part 17.
  • close to both sides of the slot 47 to each of these parts of a spherical cap 53 which are adapted to the transfer surface 34 on the spherical body 21 of the load receiving part 17 so that under load a coupling connection in the manner of a ball joint assembly between ball member 21 and Ball carrier housing 3 is formed.
  • a kind of hook safety is provided which provides a blocking flap 55 which is pivotally mounted about an axis 57 which extends within a recess 59 extends in the upper part 5 perpendicular to the main axis of the ball carrier housing 3 and perpendicular to the longitudinal direction of the slot 47 in the bottom part 13.
  • the so-mounted flap 55 is in a breakthrough 51 partially occlusive locking position, as in Fig. 2 and 4 is shown pivoting.
  • the extension of the load-receiving part 17 is not possible in this position, because in the extension movement along the Kalotten Jerusalem 53, a relative movement of the ball member 21 in the receiving space 15 is carried upward, so that the ball member 21 starts at the flap 55.
  • the outlet is possible when the flap 55 is pivoted from the blocking position shown into the interior of the receiving space 15 out.
  • the flap 55 is resiliently biased in the blocking position shown.
  • a located in the interior of the recess 59, and therefore not visible in the figures torsion spring is located for this purpose on the axis 57th Die Fig. 2 . 5 and 7 show one of a slot opening in the upper part 5 outwardly projecting, associated with the flap 55 operating lever 61, by means of which the flap 55 is pivotable against the spring force, so that the Enthakung can be performed.
  • the Fig. 7 also shows a peculiarity compared to the representation of Fig. 2 and 5 in that on both sides of the leg 5 of the ball carrier housing 3 located leg 7 is an actuating lever 61, so that the operation of the flap 55 from both sides is particularly convenient to carry out.
  • the transfer surface 53 is formed in each case by parts of the spherical cap 53 itself, so that a large-scale contact with the transfer surface 34 on the spherical body 21 under load
  • the Fig. 11 to 13 illustrate another embodiment of the ball carrier housing 3, which essentially the example of Fig. 8 to 10 corresponds, but projecting instead of the wave profile 65 of the Kalottel lake kind 53 bumps in the form of sub-balls 69, which, as in particular from Fig. 13 can be seen, distributed in an irregular pattern are distributed in the surface of the dome parts 53 on the bottom part 13 and rewrite with their heads a spherical surface forming the support surface and form the contact points on the spherical surface 34 of the ball portion 21 of the load-receiving part 17 in the state of entanglement.
  • FIGS. 14 and 15 Unlike the previously discussed examples, the ball carrier housing 3 is designed in two parts and has two mirror-image same, shell-shaped housing halves 71 and 73 on. These are pivotally mounted on a pivot bearing 75, which is arranged on the upper housing part 5 in the vicinity of the attachment point for a rope 9 forming lugs 7 and defines a pivot axis which is perpendicular to the main axis of the ball carrier housing 3.
  • the comparison of FIGS. 14 and 15 shows that the housing halves 71 and 73 between an unfolded Enthakungsposition and a folded hooking position are pivotable. The state of the hooking position is in Fig.
  • FIG. 14 shows the state of partial entanglement, in which a housing half 71 is already pivoted into the Verhakungsposition, while the other housing half 73 is still in the position corresponding to the dehooking pivot position.
  • FIGS. 14 and 15 in that an immediate spreading over of the ball part 21 can take place from above, without a transverse movement being necessary.
  • the inner side of the housing halves 71 and 73 which adjoins the bottom parts 13 and forms the carrier surface for cooperation with the transfer surface 34 on the ball part 21, can be formed by spherical cap surfaces for a planar contact with the transfer surface 34 or provided in the same way with projections circumscribing spherical surface parts as in the examples of Fig. 8 to 13 the case is.
  • a metallic locking ring 77 is provided, which in Fig. 14 is shown in a raised release position.
  • the securing ring 77 is displaceable on a cylinder jacket surface 79 formed on the outside of the housing halves 71, 73 in a folded-open position, where it comes to rest in a securing position on an annular bead 81.
  • the Fig. 16 illustrates another embodiment of the load-receiving part 17, which is opposite to the example of Fig. 3 differs insofar as the transfer surface for the attack of the traction means on the load-receiving part 17 is not formed by a continuous surface, as in the example of Fig. 3 in the form of the spherical surface 34 is the case, but that at Fig. 16 Contouring is provided on the load receiving part 17.
  • Ring ribs 85 are provided in this regard, which, relative to the axis 29 of the load-receiving part 17, extend in radial planes at a distance from each other and are offset from one another by depressions 89.
  • summit regions of the annular ribs 85 are circumscribed by a convexly curved envelope, wherein this envelope can define a spherical surface, ie a sphere, but can also define a curved surface deviating from the spherical shape in the manner of a spheroid.
  • FIG. 17 shown further example of the load-receiving part 17 has instead of the closed annular ribs 85 rib portions 87, starting from the shaft portion 19, starting slightly divergent and separated from narrower recesses 89 from each other. Again, the outer portions of the ribs 87 are circumscribed by an envelope having a convex curvature.
  • FIG. 18 The further embodiment shown has a pattern on the load receiving part 17 of ribs 85 extending in radial planes as well as recesses 89, the latter intersecting the ribs 85 at substantially right angles, so that a pattern is formed of divided peaks which extend in radial planes. which are circumscribed by a convex envelope.
  • the recesses 89 each form receiving spaces in which, where appropriate, when using the load receiving device resulting impurities can be absorbed, which could otherwise be disturbing with respect to the geometry of the interaction between the transfer surface and the support surface of the traction means.
  • Fig. 19 to 21 clarify another embodiment of the load bearing device.
  • the load receiving part 17 may be configured in the same manner as in the examples shown in the preceding figures.
  • the peculiarity on the other hand is that the traction means has no ball carrier housing 3 in the manner of a ball hook, but that instead of a one-piece casting is provided, which is shaped so that it forms a ball eyelet 65.
  • This has the shape of a loop closed at the top 67 for a loop of the rope 9, not shown.
  • the legs 69, 71 of the loop are shaped so that, see Figure 21 , Kugelkalöttenmaschine 53 are formed for the system of the transfer surface 34 of the load-receiving part 17, wherein between the thighs 70 and 71, see Fig. 19 , An entry opening for the hooking of the ball part 21 of the load-receiving part 17 is formed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Clamps And Clips (AREA)
EP09734477.4A 2008-04-21 2009-03-27 Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen Not-in-force EP2265535B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810019912 DE102008019912A1 (de) 2008-04-21 2008-04-21 Anschlagmittel sowie Lasthebesystem für die Benutzung mit einem solchen Anschlagmittel
PCT/EP2009/002252 WO2009129914A1 (de) 2008-04-21 2009-03-27 Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen

Publications (2)

Publication Number Publication Date
EP2265535A1 EP2265535A1 (de) 2010-12-29
EP2265535B1 true EP2265535B1 (de) 2015-07-29

Family

ID=40834343

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09734477.4A Not-in-force EP2265535B1 (de) 2008-04-21 2009-03-27 Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen
EP09735497.1A Not-in-force EP2265536B1 (de) 2008-04-21 2009-04-20 Anschlagmittel sowie lasthebesystem für die benutzung mit einem solchen anschlagmittel

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09735497.1A Not-in-force EP2265536B1 (de) 2008-04-21 2009-04-20 Anschlagmittel sowie lasthebesystem für die benutzung mit einem solchen anschlagmittel

Country Status (6)

Country Link
US (1) US20110031371A1 (es)
EP (2) EP2265535B1 (es)
AU (1) AU2009240282B2 (es)
DE (1) DE102008019912A1 (es)
ES (1) ES2546189T3 (es)
WO (2) WO2009129914A1 (es)

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DE102009050139A1 (de) * 2009-10-20 2011-04-21 Carl Stahl Gmbh Anschlagmittel sowie Lasthebesystem für die Benutzung mit einem solchen Anschlagmittel
FR2952046B1 (fr) * 2009-11-02 2012-08-31 A2C Prefa Systeme d'accrochage entre une charge lourde et un appareil de levage
US20160197684A1 (en) * 2011-06-13 2016-07-07 Mediatek Inc. Rf testing system with serdes device
DE102012013568A1 (de) * 2012-07-06 2014-05-08 Carl Stahl Gmbh Verbindungseinrichtung
JP2016509643A (ja) * 2013-01-27 2016-03-31 コンクステック，インコーポレーテッド 二重機能の逐次的タスク突耳整合ピッキング積重ね位置合わせ建築部材取扱いシステム
MX2016009109A (es) * 2014-01-13 2017-01-23 Conxtech Inc Sistema de broche y espiga.
DE202015104747U1 (de) * 2015-09-08 2015-09-17 J.D. Theile Gmbh & Co. Kg Abstützanordnung zum Abstützen eines Anschlagpunktes
DK179142B1 (da) * 2015-12-03 2017-12-04 Liftra Ip Aps Løftebeslag
CN107601252A (zh) * 2017-07-27 2018-01-19 上海二十冶建设有限公司 一种重型超长混凝土矩形柱的穿透吊装吊具及其吊装方法
GB2569551A (en) * 2017-12-19 2019-06-26 Tophat Industries Ltd Lifting system
WO2019157393A1 (en) 2018-02-09 2019-08-15 Conxtech, Inc. Moment connection component lifting tool assembly
WO2019157394A2 (en) 2018-02-09 2019-08-15 Conxtech, Inc. Moment connection component clamping tool
GB2583459B (en) * 2019-04-05 2023-01-18 Berkeley Modular Ltd Post connector

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Also Published As

Publication number Publication date
DE102008019912A1 (de) 2009-10-29
AU2009240282B2 (en) 2012-04-26
US20110031371A1 (en) 2011-02-10
WO2009129914A1 (de) 2009-10-29
EP2265535A1 (de) 2010-12-29
EP2265536B1 (de) 2015-12-02
AU2009240282A1 (en) 2009-10-29
EP2265536A1 (de) 2010-12-29
ES2546189T3 (es) 2015-09-21
WO2009129975A1 (de) 2009-10-29

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