EP0723927A1 - Dispositif de suspension pour suspendre au moins un panneau de coffrage à un appareil de levage - Google Patents

Dispositif de suspension pour suspendre au moins un panneau de coffrage à un appareil de levage Download PDF

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Publication number
EP0723927A1
EP0723927A1 EP96100895A EP96100895A EP0723927A1 EP 0723927 A1 EP0723927 A1 EP 0723927A1 EP 96100895 A EP96100895 A EP 96100895A EP 96100895 A EP96100895 A EP 96100895A EP 0723927 A1 EP0723927 A1 EP 0723927A1
Authority
EP
European Patent Office
Prior art keywords
hook
locking element
opening
projection
support body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96100895A
Other languages
German (de)
English (en)
Other versions
EP0723927B1 (fr
Inventor
Josef Merkel
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.)
PASCHAL-WERK G MAIER GmbH
Original Assignee
PASCHAL-WERK G MAIER 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 PASCHAL-WERK G MAIER GmbH filed Critical PASCHAL-WERK G MAIER GmbH
Publication of EP0723927A1 publication Critical patent/EP0723927A1/fr
Application granted granted Critical
Publication of EP0723927B1 publication Critical patent/EP0723927B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • E04G19/003—Arrangements for stabilising the forms or for moving the forms from one place to another
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the invention relates to a towing device for attaching at least one formwork panel to a hoist, with a supporting body, the formwork panel having edge webs or edge profiles running at right angles to the surface to be concreted, provided with beads or channels for attacking fastening clips, and also having stiffening profiles running at right angles thereto.
  • the support body having a hook pointing upwards in the position of use and opened upwards with a hook base and a hook projection which stands up against it for hanging in an opening of a stiffening profile and a perforation is provided in the support body and a locking element which is adjustable relative to this in the support body and which is withdrawn in the release position relative to the hook, the overall dimension of the hook with the hook rspr is equal to or less than the dimension of the opening in the web of the stiffening profile in the vertical or oblique direction and the total dimension of the locking element and the hook minus that of the hook projection is equal to or less than the corresponding Dimension of the opening in the web of the stiffening profile is.
  • Such an attachment device for attaching components is known from DE-87 13 587 U1.
  • the device can only attack a breakthrough of a web or the like of the component, that is, the entire weight must be transmitted through this breakthrough on the one hand and the hook and the locking element on the other.
  • their weight can overstiffen the strength of a web and a perforation located thereon, so that the hitching device would then not be applicable.
  • the locking element is in the use position above the downwardly opening hook and has a smaller cross-section than a bolt belonging to the hook, so that in the component to be hung about an eight corresponding hole is required, the upper opening part must be smaller than the one below.
  • a hitch for hanging a formwork panel on a hoist with a bracket is known, on which a crane hook can engage.
  • This bracket is attached to a support body, which has anchoring means for connecting to edge webs of formwork panels.
  • edge webs made of flat material or stiffening webs arranged at right angles thereto are suitable for grasping, which must have keyhole-like perforations for the engagement of a bolt with a corresponding projection, which bolt, which is part of the known towing device, can be rotated into a release and a locking position, in which its projection is arranged transversely to the keyhole-like perforation.
  • the invention is therefore based on the object of providing a hitch of the type mentioned which can be fastened in a simple manner and yet with great security to switchboards of the type mentioned at the beginning.
  • the handling should be easy.
  • the aforementioned hitch with support body is characterized in that the locking element is provided below the hook and engages under the hook at least in the opening of the stiffening profile in the use position, that the hitch has an attack or bracket that is connected to the support body and that the support body above its hook has at least one projection which can be inserted into a bead of the edge profile and which engages in the bead when the hook projection at least partially engages behind the upper edge of the opening of the stiffening profile, and that in this position the hook adjusts from the inside Locking element is gripped.
  • the support body can be inserted with the hook through the opening of the web of the stiffening profile and hooked into the hook opening on the upper edge of this opening.
  • the specified dimensions allow this insertion on the one hand and then on the other hand, after pushing up the supporting body and the hook, the insertion of the locking element under the hook, so that it is fixed in the position of use. In this position of use, the hook projection engages behind the edge of the opening so that it is no longer possible to release it from the opening.
  • This hitch can thus be attached to a corresponding stiffening profile in a very simple manner can be arranged either over the entire length or width of the formwork panel or even only over an edge region of the formwork panel between an edge web and a stiffening profile running parallel to this edge web.
  • the release of this hitch is also very simple by pulling back the locking element, after which the support body can be lowered so far compared to the opening in the web of the stiffening profile that the hook can be removed therefrom.
  • the dimension of the opening in the oblique direction mentioned here could be the diagonal of a rectangular opening.
  • a particularly effective and secure attachment of the formwork panels mentioned at the outset results from the projection located above the hook on the support body, which can engage in a bead.
  • a formwork panel is detected not only on an opening in a stiffening profile, but also on the edge profile at the same time.
  • a detection of the edge profile can result in a more favorable lever arm, while at the same time the hook with its hook projection in a horizontal direction fixes the towing device against unwanted loosening, so that the edge web cannot slide off the projection, even if there are unwanted vibrations or wind loads or the like comes.
  • the length of the hook projection relative to the hook base is approximately equal to the dimension of the locking element running in this direction and if the locking element with the hook engaging in the opening of the stiffening profile in use position makes this breakthrough at least in load - or carrying direction in particular essentially fills and / or is preferably jammed in the opening.
  • the hook can then be inserted straight through the opening and is adjusted by the length of the hook projection relative to the upper edge of the opening, so that a corresponding one below the hook Area of the breakthrough is free, which then closes and fills the blocking element with the appropriate dimension.
  • the distance of the hook base from the projection can be the same or a game greater than the height distance of the upper edge of the opening from the bead. With the same dimensions, the projection and the hook base on the upper edge of the opening will come into play at the same time. However, since this is difficult to achieve due to manufacturing tolerances, the distance between the base of the hook and the projection can also be made somewhat larger, so that in any case the projection first comes into play, which generally leads to a slight and reversible deformation of the edge web Load will lead, so that the hook with the hook base comes into contact with the upper edge of the opening and the projection and hook take over the load-bearing capacity.
  • the supporting body can have an approximately U-shaped cross-sectional profile and, in the position of use, encompass a stiffening profile of the formwork panel on the outside, the U-transverse web of the supporting body in the position of use abutting the stiffening profile on the outside in the area of its breakthrough, and the two U-legs can be on it in Use position upward-facing end face in particular each have a projection for engaging in the bead of the edge web. This improves the symmetry of the force application and, above all, the engagement of the support body in the bead of the edge web.
  • the projections can reach a corresponding position to the bead and the bead and the opening, which are generally closer to the formlining compared to the breakthrough of the stiffening profile, and the breakthrough also result in a good support in vertical projection due to their mutual spacing which practically has three points, namely the two Projections and the hook bottom.
  • the two protrusions with their points of attack are practically in a corresponding horizontal plane and the third point of attack is not only arranged at a greater distance from the formlining, but also at a different height.
  • the point of application of the hook is in a symmetrical configuration of the support body in a middle position between the two projections, so that a vertical projection of all points of attack leads to an isosceles triangle, which is known to result in high stability.
  • a threaded sleeve can be provided as a guide for the locking element and the locking element can be designed in the form of a bolt and has an external thread that matches the internal thread of the threaded sleeve, as a result of which the locking element can be adjusted transversely to the U-crosspiece. With the help of the thread, this also results in a simple fixing of the locking element in its locking or locking position, especially in the case of self-locking threads.
  • a sleeve is provided as a guide, in which a bolt-shaped locking element in particular is retractably supported against the force of a spring apart from the locking position and that the spring-loaded locking element can be displaced from the spring into the use position below the hook. There would be an arrangement that then remains in the locked position automatically, in which the locking element is withdrawn against spring force to release it.
  • the locking element engages in the conical profile in its use position in the end of the stiffening profile has its locking section and if the locking section of the locking element engaging in the opening of the stiffening profile in the use position is preferably thread-free and smooth and in particular is of circular cross section.
  • the conical transition with its smaller dimensions can first reach under the hook and gradually move it into the position of use as it is pushed in further.
  • the smooth and unthreaded locking section can get into the locking position and be withdrawn again, both in the case of straight-line and rotating movements when screwing in.
  • the projection or handle in particular also serves as a stop in relation to the guide and has a stop face, opening or coupling for an actuating rod with a counter stop, with a hook or with a counter coupling, which is close to its free end.
  • This facilitates operation by hand or with the aid of an aid, without the need for a special tool such as a wrench or the like.
  • "Remote control" of the locking element is also made possible if, for example, a formwork panel has been lowered to a greater height with the aid of the hitching device according to the invention and the locking element is to be released from the ground or from a lower level. The user can then engage the handle or projection with a corresponding rod and bring the locking element out of the locked position. Becomes then lifted by slightly lowering the hoist, the hook can practically swing out of the breakthrough or be retracted with the operating rod mentioned above, so that the formwork element or the formwork panel is released at great height without an operator being directly in this height must go.
  • the area of the threaded sleeve serving as a guide that is directly adjacent to the support body has an enlarged internal diameter compared to the internal thread spaced apart from the support body.
  • the holding bracket on the support body in the area of the transition from the U-crossbar to the U-leg, in particular on the outside is fastened or welded, preferably in the form of a loop, and the upper region of the support body in the use position is on the outside overlaps a length range and this length range of mutual contact of the retaining bracket and support body is welded in particular.
  • the retaining bracket could also extend over the entire length or height range of the support body, a section in the upper area of the support body will generally suffice to achieve a correspondingly long weld seam for adequate fastening.
  • the bracket can be approximately U-shaped, with its U-legs are attached to the support body and opposite continue parallel to each other or towards each other upwards and are bent in such a way that the U-cross bar connecting them above the supporting body - which can also preferably be curved upwards - approximately above the projections located on the end face of the supporting body, which in the use position in engage the bead of the edge web, is arranged.
  • the bracket By weighing the bracket, the actual attachment point is largely shifted over the projections, so that this also results in a largely automatic determination of the entire hitch under load, because the corresponding lever arms and the weight force move the U-crosspiece of the support body against the stiffening profile and press on.
  • FIGS. 1 and 2 is used for attaching at least one formwork panel 2 to a hoist, only pulling cables or chains 3 are indicated in FIGS. 1 and 2, which lead from the attachment device 1 to a crane hook or the like, for example .
  • FIGS. 1 and 2 It is shown in Figures 1 and 2 that at the same time two such hitching devices 1 can attack such a formwork panel 2, which is a formwork panel 2 which, according to FIGS. 5 to 7, extends at right angles to the surface to be concreted and to the formwork skin 4 , with ribs 5 or channels for the attack of fastening clips, not shown, when mutually connecting such formwork panels 2 has edge webs 6 and also 6 stiffening profiles 7 extending at right angles to these edge webs. These stiffening profiles 7 have, according to FIGS.
  • the overall dimension of the hook 12 with the hook projection 14 is equal to or smaller than the dimension of the opening 9 in the web 8 of the stiffening profile 7 in the vertical direction.
  • the hook 12 can easily be inserted through the opening 9 according to the arrow Pf1 in FIG.
  • the length of the hook projection 14 relative to the hook base 13 can be approximately equal to the dimension of the blocking element 17 running in this direction.
  • the hook with its hook projection 14 fits straight through the opening 9 and then projects with its hook projection 14 over the upper edge 15 approximately by the corresponding dimension, for example the diameter, of the blocking element 17.
  • the support body 11 has two projections 18 which can be inserted into the bead 5 of the edge profile or web 6 and which in the exemplary embodiment match the bead cross section and which engage in the bead 5 when the hook projection 14 touches the upper edge 15 of the opening 9 of the stiffening profile 7 at least partially behind or overlaps.
  • the hook 12 is also undercut by the locking element 17 which is adjusted inwards, so that both the projections 18 and the hook 12 engage the formwork panel 2 and produce a releasable but fixed connection by the locking element 17.
  • the distance of the hook base 13 from the projection 18 is the same or a game greater than the height distance of the upper edge 15 of the opening 9 from the bead 5. This results in a simultaneous loading in the area of the projections 18 and the hook 12 on the hook base 13th reached. If the distance between the hook base 13 and the projection 18 in the direction of the arrow Pf2 is somewhat larger than the corresponding height distance of the upper edge 15 from the bead 5, the attachment device 1 on the formwork panel 2 initially only comes between the projections 18 and the bead 5 a force effect. However, this leads to the fact that the edge web 6 yields somewhat elastically, so that the hook 12 then also comes into play.
  • the support body 11 has an approximately U-shaped cross section and, in the position of use, engages around the outside of the respective stiffening profile 7 of the formwork panel 2, the U-crosspiece 19 of the support body 11 in this Use position on the stiffening profile 7 on the outside in the area of its opening 9 and runs approximately parallel to the web 8 having the opening 9 of this stiffening profile 7.
  • the two U-legs 20 of this support body 11, which is U-shaped in cross section, are oriented with their cross sections approximately towards the formlining 7 and, according to FIGS. 4 to 6, each have one of the aforementioned projections 18 for engaging in FIG. 4 to 6 on their end face pointing upwards in the use position the bead 5 of the edge web 6, which in the exemplary embodiment is a deep-drawn profile, but could also be formed from flat material or could even be a hollow profile.
  • the U-legs 20 have an approximately triangular shape, in that they increase in width b from bottom to top to the projections 18, in particular continuously, which leads to a weight saving while the force is applied consistently.
  • the locking element 17 On the outside of the U-crosspiece 19 of the support body 11 facing away from the U-legs 20, it is arranged in the area below the hook on the inside of the U-crosspiece 19 and also somewhat penetrates it according to FIG 12 a guide designated as a whole with 21 for the locking element 17 which is adjustable at right angles to this U-transverse web 20 in the exemplary embodiment and which continues into the perforation below the hook 12, that is to say the underside of the hook 12 forms the upper limit of the area in this area Guide for the locking element 17th
  • a threaded sleeve is provided on the outside on the U-cross bar 19 as a guide 21 and the locking element 17 is essentially bolt-shaped. It has an external thread 23 which fits the internal thread 22 of the threaded sleeve serving as a guide 21, so that the locking element 17 can be adjusted transversely to the U-transverse web 19 by a screwing movement in the axial direction.
  • this relatively coarse thread according to FIG. 8 permits firm tightening in the blocking position, which is also retained by the self-locking of this thread or by an additional one Screw lock could also be specified.
  • the locking section 17a of the locking element 17 which engages in the opening 9 of the stiffening profile 7 in the use position is thread-free and smooth and preferably has a circular cross section.
  • this locking section 17a can be relatively easily both rotated and moved axially forward when screwing in, even in the case of a contact within the opening 9.
  • the locking element 17 has a projection or handle 24 which also serves as a stop in relation to the guide 21 and projects transversely to its direction of displacement for the axial adjustment and screwing in the closed or open position, i.e. in the direction of the arrow Pf1 in FIG. 5 or contrary to that. 6 and 7, in which the entire crane hitch 1 is closed, lies against the outer end face of the threaded sleeve serving as a guide 21, while in the representations according to FIGS. 4, 5 and 8 it has a distance from it, this distance is relatively small in FIGS. 4 and 8, that is to say the locking position has almost been reached, while in FIG. 5 it is large because in this illustration the locking element 17 is still completely in the open position.
  • the handle 24 and the locking element 17 are axially adjusted via the intermediate positions according to FIGS. 4 and 8 into the locking position according to FIGS. 6 and 7.
  • the area of the threaded sleeve serving as guide 21 which is directly adjacent to the supporting body 11 or the U-crosspiece 19 has an enlarged inside diameter compared to the internal thread 22 spaced from the supporting body 11, with the exception of the locking section 17a of the locking body retracted in the open position 17 has.
  • the locking section 17a can thus withstand somewhat the core diameter of the external thread 23 of the locking element 17 and even the external thread 23 itself.
  • the loosening of the entire towing device therefore requires the locking element 17 to be screwed back against the direction of rotation of the arrow Pf3, after which the movements and directions of movement mentioned for fastening then take place in reverse order and in the opposite direction in order to detach the towing device 1 from the control panel 2 again .
  • the eyelet-shaped retaining bracket 10 has already been mentioned, on which the hoist can be connected directly or - via pulling elements 3 such as ropes or chains - indirectly to a hoist.
  • this retaining bracket 10 is fastened to the outside on the support body 11 in the region of the transition from the U-crosspiece 19 to the U-legs 20, and is welded on, as can be seen particularly clearly in FIG. 7.
  • the holding bracket 10 overlaps the upper region of the supporting body 11 in the position of use on the outside over a certain length or height range, which does not, however, lead to the hook 12. This length range of the mutual contact of the bracket 10 and the support body 11 is welded in the embodiment.
  • bracket 10 is approximately U-shaped and from Figures 4 to 6 and 8 it follows that his U-legs 25 are each attached to the support body 11 and opposite this in Carrying direction initially continue parallel upwards, but above the attachment point are bent at an obtuse angle in the direction of the formlining 4 that the U-transverse web 26 connecting them above the supporting body, which is additionally somewhat curved, approximately above that at the Protrusions 18 located on the end face of the supporting body 11, which engage in the use position in the bead 5 of the edge web 6 or the edge profile.
  • the projection or handle 24 of the locking element 17 has an opening 27 near its free end, at which it could be attacked with a hook or the like, which can be on a rod, if the hitch is actuated, for example to be released by an operator who is at a greater distance from the hitch 1, for example if the hitch 1 is at a greater height than the operator.
  • the towing device 1 is used to connect at least one formwork panel 2 to a hoist, whereby it can be attached to edge webs 6 or edge profiles provided with beads 5 or grooves on the one hand, and to a stiffening profile 7 arranged transversely thereto. It engages the stiffening profile 7 with a support body 11 and a hook located thereon, which penetrates an opening in the stiffening profile. The hook can be inserted and raised through this opening and is secured in this position by a locking element 17 also engaging in this opening 9.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Support Devices For Sliding Doors (AREA)
EP96100895A 1995-01-25 1996-01-23 Dispositif de suspension pour suspendre au moins un panneau de coffrage à un appareil de levage Expired - Lifetime EP0723927B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19502225A DE19502225C2 (de) 1995-01-25 1995-01-25 Anhängevorrichtung zum Anhängen wenigstens einer Schaltafel an ein Hebezeug
DE19502225 1995-01-25

Publications (2)

Publication Number Publication Date
EP0723927A1 true EP0723927A1 (fr) 1996-07-31
EP0723927B1 EP0723927B1 (fr) 1999-04-28

Family

ID=7752284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100895A Expired - Lifetime EP0723927B1 (fr) 1995-01-25 1996-01-23 Dispositif de suspension pour suspendre au moins un panneau de coffrage à un appareil de levage

Country Status (4)

Country Link
EP (1) EP0723927B1 (fr)
AT (1) ATE179390T1 (fr)
DE (2) DE19502225C2 (fr)
DK (1) DK0723927T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789064A1 (fr) * 1999-01-29 2000-08-04 Renault Dispositif de levage pour un groupe motopropulseur
FR3057562A1 (fr) * 2016-10-13 2018-04-20 Peugeot Citroen Automobiles Sa Dispositif de rangement d'un element d'un vehicule automobile de type cintre de suspension

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010008389U1 (de) 2010-08-27 2010-11-11 Ibc Solar Ag Vorrichtung zum Befestigen einer Tragschiene

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617085A (en) * 1969-10-24 1971-11-02 Henry J Modrey Quick-release load coupler
DE8713587U1 (fr) * 1987-10-09 1987-11-19 Huennebeck Gmbh, 4030 Ratingen, De
DE3623314A1 (de) * 1986-07-11 1988-01-21 Huennebeck Gmbh Haken zum anhaengen von schalungstafeln

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617085A (en) * 1969-10-24 1971-11-02 Henry J Modrey Quick-release load coupler
DE3623314A1 (de) * 1986-07-11 1988-01-21 Huennebeck Gmbh Haken zum anhaengen von schalungstafeln
DE8713587U1 (fr) * 1987-10-09 1987-11-19 Huennebeck Gmbh, 4030 Ratingen, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789064A1 (fr) * 1999-01-29 2000-08-04 Renault Dispositif de levage pour un groupe motopropulseur
FR3057562A1 (fr) * 2016-10-13 2018-04-20 Peugeot Citroen Automobiles Sa Dispositif de rangement d'un element d'un vehicule automobile de type cintre de suspension

Also Published As

Publication number Publication date
ATE179390T1 (de) 1999-05-15
DK0723927T3 (da) 1999-11-01
DE59601737D1 (de) 1999-06-02
DE19502225A1 (de) 1996-08-01
DE19502225C2 (de) 1997-07-10
EP0723927B1 (fr) 1999-04-28

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