EP2906493B1 - Pont roulant, notamment sous forme de pont ou de portique, comportant au moins deux poutres - Google Patents

Pont roulant, notamment sous forme de pont ou de portique, comportant au moins deux poutres Download PDF

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Publication number
EP2906493B1
EP2906493B1 EP13771544.7A EP13771544A EP2906493B1 EP 2906493 B1 EP2906493 B1 EP 2906493B1 EP 13771544 A EP13771544 A EP 13771544A EP 2906493 B1 EP2906493 B1 EP 2906493B1
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EP
European Patent Office
Prior art keywords
crane
girders
running rail
flange
profiles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13771544.7A
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German (de)
English (en)
Other versions
EP2906493A1 (fr
Inventor
Christoph Passmann
Richard KREISNER
Thomas SCHLIERBACH-KNOBLOCH
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.)
Demag Cranes and Components GmbH
Original Assignee
Terex MHPS GmbH
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Publication date
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Publication of EP2906493A1 publication Critical patent/EP2906493A1/fr
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Publication of EP2906493B1 publication Critical patent/EP2906493B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries

Definitions

  • the invention relates to a crane, in particular bridge crane or gantry crane, with at least two horizontally extending in a longitudinal direction and designed as truss crane girders, each comprising a top flange and on which a trolley with a hoist is movable.
  • German patent DE 260030 is a so-called two-gantry gantry crane with two horizontal crane girders and two vertical support beams known to form a portal frame of the gantry crane.
  • the crane girders run parallel and at a distance from each other.
  • a chassis is arranged in each case, via which the gantry crane is movable in a direction transverse to the longitudinal direction of the crane girder travel direction.
  • On and along the crane girder is a trolley with a cable travels.
  • a load-receiving means of the cable crane arranged on the cable between both crane girders is lowered or raised.
  • the crane girders are designed as truss girders and each comprise a top chord and a bottom chord, which are each aligned horizontally and parallel to each other, and the upper and lower chords connecting vertically extending rod-shaped posts and diagonally extending rod-shaped struts.
  • the German Utility Model DE 1 971 794 U describes a further two-girder bridge crane, the horizontal crane girders are similarly designed as truss girders and each plate-shaped upper straps, bar-shaped lower straps and rod-shaped posts. On the upper straps a rail for a trolley is attached in the region of their inner edges.
  • the box girder comprises a top chord and a bottom chord, which are connected to each other via two side walls.
  • the top flange is formed by a formed as a T-profile beam roll profile with a horizontal flange and a vertical web, which projects inwardly into the box girder and forms a stiffening rib for the flange.
  • On the flange of the T-profile support is centrally and above the web a longitudinally extending and a rectangular cross-section comprising rail welded from a solid material.
  • the German Utility Model DE 66 04 483 U is a two-girder bridge crane with two trained as box girders crane girders known.
  • the box girders are each composed of two double-T girders.
  • upper and lower flanges of the double-T-beams are connected to each other, distributed over the entire length thereof each have a plurality of belt plates spaced from each other and welded to the upper and lower flanges.
  • For the upper flanges can be used instead of a variety of belt plates and a one-piece, continuous Obergurtplatte.
  • US2011247993 A discloses a crane according to the preamble of claim 1.
  • the invention has for its object to provide a crane, in particular overhead crane or gantry crane, with improved crane girders ready.
  • the crane girder advantageously improved by that the upper straps are each composed of two Obergurtprofilen, which are interconnected via a running rail for the trolley.
  • the Obergurtprofile each comprise a horizontal flange and for connecting the Obergurtprofile one of the upper straps each of the running rail is mounted on the upper sides of two adjacent flanges.
  • the running rail is aligned centrally with the upper girder profiles.
  • the running rail is made of a solid material.
  • the running rail has a rectangular cross-section.
  • commercially available steel bars can also be used for the rails and the manufacture of the crane can be simplified.
  • the assembly is also simplified in that the running rail is welded onto the upper flange.
  • the upper flange profiles are designed as angle-profile support and each comprise a subsequent to the flange vertical web.
  • conventional L-profile carrier can be used for the production of the upper straps.
  • the crane girders designed as truss girders comprise struts and posts which each have upper recesses into which the vertical webs protrude.
  • the FIG. 1 shows a crane designed as a two-girder crane crane 1.
  • the crane 1 comprises two truss formed as truss crane girder 2, each extending with an identical length L in its longitudinal direction LR and in this case are aligned horizontally, parallel and spaced from each other.
  • first and second trolleys 7, 8 are fixed, so that in the plan view, a frame is formed.
  • the rails are usually arranged vertically with respect to a floor and can be raised for this purpose, for example via a suitable support structure or attached to opposite building walls.
  • the first chassis 7 is driven by a first electric motor 7a and the second chassis 8 by a second electric motor 8a.
  • a trolley 9 is fitted with a trained as a cable hoist, which is movable over other trolleys transverse to the direction of travel F of the crane 1 and along the longitudinal direction LR of the crane girder 2.
  • the trolley 9 runs on the upper chords 3 of the two crane girders 2.
  • a running rail 13 is provided with a corresponding running surface 13a, so that the crane trolley 9 is arranged between the crane girders 2.
  • the trolley 9 arranged centrally between crane girders 2 can be moved between the two crane girders 2 and between the trolleys 7, 8.
  • a load-receiving means of the trolley 9 arranged cable between both crane girders 2 can be lowered or raised.
  • the crane 1 also includes a Crane control 10 and a suspension control switch 11 connected thereto, via which the crane 1 or the electric motors 7a, 8a and the crane trolley 9 can be controlled and operated separately with the cable.
  • struts 5 are generally considered those elements of a truss structure which have an oblique or diagonal course exhibit.
  • the struts 5 of a truss structure differ from the elements which run exclusively vertically and are referred to as posts 6.
  • the upper flange 3 and the lower flange 4 each extend for the most part in a straight line, spaced from each other and except for at the opposite ends of the crane girder 2 parallel in the longitudinal direction LR between the chassis 7, 8.
  • the upper flange 3 and the lower flange 4 of each crane girder. 2 vertically spaced from each other.
  • FIG. 2 shows a cross-sectional view of one of the two crane girder 2, based on the closer construction of the crane girder 2 will be explained.
  • Each upper flange 3 is composed of two arranged in a horizontal plane and horizontally spaced apart first and second Obergurtprofilen 3d, 3e and welded onto the upper flange 3d, 3e running rail 13 for the trolley 9 together.
  • the upper belt profiles 3d, 3e and the running rail 13 in this case run parallel in the longitudinal direction LR of the crane girder 2.
  • the two upper flange profiles 3d, 3e are formed by an L or angle profile carrier, which in each case comprises a vertical web 3a and a horizontal flange 3c arranged at right angles thereto.
  • the lower flange 4 is analogous to the upper flange 3 also composed of two L or angle profile carriers, namely a first lower flange 4d and a second lower flange profile 4e.
  • Each Untergurtprofil 4d, 4e therefore also includes a horizontal flange 4f and a vertical web 4a, which are respectively arranged perpendicular to each other.
  • FIG. 1 shows that the upper flange 3 and the lower flange 4 are connected to each other via a plurality of each planar-shaped struts 5 and 6 posts.
  • the sheet-like struts 5 or surface struts and posts 6 preferably absorb forces in the direction of their longitudinal axis and thus in the plane of extent of their flat main surface.
  • Such surface elements or surface structures are referred to in the technical mechanics as discs, whereas perpendicular to their plane of extent or main surface loaded surface elements are referred to as plates.
  • Slices and thus also the surface struts differ for example from rods or rod-shaped posts and struts in that their thickness dimensions are substantially smaller than the flat extent of the disc determining length and width dimensions. Accordingly, sheet-like struts 5 can also be referred to as surface struts or disc struts.
  • the struts 5 are formed as a sheet-metal profile with a main surface 5a having a substantially rectangular cross-section and in particular mirror-symmetrical with respect to their longitudinal axis LA, wherein the longitudinal sides to increase the Beulsteifmaschine at least in a central region in the form of auxiliary surfaces 5b are folded over.
  • the basic structure of the planar posts 6 corresponds - with correspondingly adapted dimensions - substantially the structure of the sheet-like struts 5.
  • each extends in the planar posts 6 with a main surface 6a transversely to the longitudinal direction LR of the crane girder 2 and at right angles to this folded auxiliary surfaces 6b in this longitudinal direction LR.
  • the sheet-like posts 6 can also be arranged or aligned such that the auxiliary surfaces 6b point towards or away from one of the ends of the crane girder 2.
  • each crane girder 2 is at the opposite Ends of the upper flange 3 and the lower flange 4 via an adapter 12 completed.
  • the upper flange 3 and the lower flange 4 are connected to form a frame.
  • a first planar post 6 is arranged, which forms a common bottom node UK on the lower girdle 4 with a first strut 5 connected to the lower girder 4.
  • the first strut 5 extends in the longitudinal direction LR inclined at an angle ⁇ 2 in the direction of the upper flange 3 and is fixed there.
  • the angle of attack ⁇ 2 is hereby enclosed by the first strut 5 and the post 6 terminating in the lower node UK.
  • the angle of incidence ⁇ 2 is preferably in a range of 35 ° to 55 ° and is particularly preferably 45 °.
  • each strut 5 forms with a planar post 6 in the region of the corresponding lower node UK at the lower chords 4 an equal angle ⁇ 2.
  • an even number of saddle roof-like obliquely or diagonally arranged struts 5 is always used, so that the last strut 5 ends at the lower flange 4 and drops to this.
  • the angle of attack ⁇ 2 is determined prior to assembly, so that an even number of struts 5 each having the same length and the same angle of attack ⁇ 2 are used. As a result, the upper rail 3 carrying the running rail 13 is reinforced against bending.
  • the struts 5 are aligned within the truss structure of each crane girder 2 so that each of their major surface 5a extends transversely to the longitudinal direction LR of the crane girder 2.
  • the struts 5 are welded with their lower first strut ends 5 g to the lower flange 4.
  • an upper recess 5i, 6i are provided on the struts 5 and the posts 6, into which the webs 3a of the upper run profiles 3d, 3e protrude and there with longitudinal sides of the upper recess 5i, 6i abut and in this area with the struts 5 and the post 6 are welded (see also FIG. 2 ).
  • the horizontal flanges 3c of the upper flange profiles 3d, 3e hereby point outwards and thus away from the upper recesses 5i, 6i of the struts 5 or posts 6.
  • planar posts 6 are pushed with their lower first post end 6g or a lower recess 6e arranged therein on the webs 4a of the lower flange 4d, 4e and welded to them. It is also conceivable to provide a separate lower recess 6e in the first post end 6g in the same way as in the struts 5 for each web 4a. Seen transversely to the longitudinal direction LR of the crane girder 2 is between the webs 3a of the upper flange 3 so only one strut 5 and a post 6 is provided.
  • FIG. 2 shows FIG. 2 in that two strut arms 5j are formed at the upper second strut end 5h in the region of the upper corners of the struts 5 by centering on the upper second strut end 5h and with respect to the longitudinal axis LA of the strut 5 an upper recess 5i having a substantially rectangular cross-section the main surface 5a is provided.
  • the upper recess 5i extends from the upper second strut end 5h parallel to the longitudinal axis LA, with the opposite longitudinal sides of the upper recess 5i extending equidistantly to the right or left of the longitudinal axis LA.
  • the upper recess 5i is viewed transversely to the longitudinal axis LA dimensioned so that at least the two vertically downwardly facing webs 3a of the two Obergurtprofile 3d, 3e dip into the upper recess 5i or can be pushed into it.
  • FIG. 2 can be taken that the webs 3a of the two Obergurtprofile 3d, 3e with their longitudinal sides of the upper recess 5i facing outer sides abut the longitudinal sides and that there is a weld along the welds S.
  • a further welded connection is provided between the upper flange 3 and the upper second strut ends 5h, in particular in the form of horizontal weld seams S between the strut arms 5j and the flanges 3c of the upper flange profiles 3d, 3e lying on their end faces facing in the direction of the longitudinal axis LA.
  • the central strut arm 5j formed by the main surface 5a can fall back there in the direction of the longitudinal axis LA relative to the end faces of the strut feet 5f or the end faces of the two outer strut arms 5j, provided that the recesses 5e, 5i have at least one for receiving or positioning the webs 3a, 4a of the upper and lower chords 3, 4 have sufficiently deep slot-shaped cross-section.
  • the webs 3a of the upper belt profiles 3d, 3e are preferably arranged closer to one another and thus less far from the longitudinal axes LA of the struts 5 than the webs 4a of the lower belt profiles 4d, 4e.
  • the upper flange profiles 3d, 3e of each upper flange 3 of the two crane girders 2 can also be used in the FIG. 2 shown running rail 13 are connected to each other from the webs 3a facing away from each other tops.
  • a corresponding running rail 13 is welded onto the upper sides of the upper chord profiles 3d, 3e.
  • the rails 13 have a rectangular cross-section and form on their upper sides in each case one of the running surfaces 13a for the chassis of the trolley 9, not shown here.
  • Each running rail 13 is preferably centered or centered with respect to the two parallel webs 3a of the corresponding upper run profiles 3d, 3e and thus also centered with respect to the longitudinal axis LA of the strut 5.
  • the running rail 13 is dimensioned such that it bridges the distance between the webs 3a dipping into the upper recess 5i and can be welded to the flanges 3c of the upper run profiles 3d, 3e along the longitudinal direction LR of the crane girder 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Jib Cranes (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Claims (9)

  1. Grue (1), en particulier pont roulant ou pont portique, comprenant au moins deux poutres de grue (2) qui s'étendent horizontalement dans une direction longitudinale (LR), qui sont configurées sous la forme de poutres en treillis, qui comportent chacune une membrure supérieure (3) et sur lesquelles un chariot de grue (9) équipé d'un treuil de levage peut se déplacer, caractérisée en ce que les membrures supérieures (3) sont constituées chacune de deux profilés (3d, 3e) qui sont reliés entre eux par le biais d'un rail de roulement (13) destiné au chariot de grue (9).
  2. Grue (1) selon la revendication 1, caractérisée en ce que les profilés (3d, 3e) comportent chacun une aile horizontale (3c) et, pour relier les profilés (3d, 3e) de l'une des membrures supérieures (3), le rail de roulement (13) est fixé sur des côtés supérieurs de deux ailes (3c) adjacentes.
  3. Grue (1) selon la revendication 1 ou 2, caractérisée en ce que le rail de roulement (13) est disposé au milieu entre les profilés (3d, 3e).
  4. Grue (1) selon l'une des revendications 1 à 3, caractérisée en ce que le rail de roulement (13) est réalisé à partir d'une matière pleine.
  5. Grue (1) selon l'une des revendications 1 à 4, caractérisée en ce que le rail de roulement (13) présente une section transversale rectangulaire.
  6. Grue (1) selon l'une des revendications 1 à 5, caractérisée en ce que le rail de roulement (13) est soudé sur les profilés (3d, 3e).
  7. Grue (1) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les profilés (3d, 3e) sont réalisés sous la forme de poutre en cornière et comportent chacun une aile verticale (3a) qui se raccorde à l'aile (3c).
  8. Grue (1) selon la revendication 7, caractérisée en ce que les ailes verticales (3c) s'étendent parallèlement les unes aux autres, sont espacées les unes des autres par une fente (3f) et la fente (3f) est enjambée par le rail de roulement (13).
  9. Grue (1) selon la revendication 7 ou 8, caractérisée en ce que la poutre de grue (2), configurée en poutre en treillis, comporte des entretoises (5) et des montants (6) qui comportent chacun des évidements supérieurs (5i, 6i) dans lesquels les ailes verticales (3a) font saillie.
EP13771544.7A 2012-10-09 2013-10-04 Pont roulant, notamment sous forme de pont ou de portique, comportant au moins deux poutres Active EP2906493B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012109586.8A DE102012109586A1 (de) 2012-10-09 2012-10-09 Kran, insbesondere Brückenkran oder Portalkran, mit mindestens zwei Kranträgern
PCT/EP2013/070752 WO2014056809A1 (fr) 2012-10-09 2013-10-04 Pont roulant, notamment sous forme de pont ou de portique, comportant au moins deux poutres

Publications (2)

Publication Number Publication Date
EP2906493A1 EP2906493A1 (fr) 2015-08-19
EP2906493B1 true EP2906493B1 (fr) 2016-09-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13771544.7A Active EP2906493B1 (fr) 2012-10-09 2013-10-04 Pont roulant, notamment sous forme de pont ou de portique, comportant au moins deux poutres

Country Status (10)

Country Link
US (1) US9751730B2 (fr)
EP (1) EP2906493B1 (fr)
CN (2) CN203199888U (fr)
AU (1) AU2013329652B2 (fr)
BR (1) BR112015006347A2 (fr)
DE (1) DE102012109586A1 (fr)
ES (1) ES2606027T3 (fr)
MX (1) MX356500B (fr)
RU (1) RU2637715C2 (fr)
WO (1) WO2014056809A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109586A1 (de) * 2012-10-09 2014-04-10 Demag Cranes & Components Gmbh Kran, insbesondere Brückenkran oder Portalkran, mit mindestens zwei Kranträgern
DE102014107323A1 (de) * 2014-05-23 2015-11-26 Terex Mhps Gmbh Kranträger für einen Kran, insbesondere für einen Brücken- oder Portalkran, und einen Kran hiermit
DE102015101756A1 (de) * 2015-02-06 2016-08-11 Terex MHPS IP Management GmbH Kran, insbesondere Brückenkran oder Portalkran, mit mindestens einem Kranträger
DE102015101755A1 (de) 2015-02-06 2016-08-11 Terex MHPS IP Management GmbH Kran, insbesondere Brückenkran oder Portalkran, mit mindestens einem Kranträger
US10640335B2 (en) * 2016-08-12 2020-05-05 Konecranes Global Corporation Cantilevered crane system for a factory work station
DE102016120115A1 (de) * 2016-10-21 2018-04-26 Konecranes Global Corporation Laufkran
DE102019125223A1 (de) * 2019-09-19 2021-03-25 Konecranes Global Corp. Vorrichtung zur Handbetätigung einer Maschine, vorzugsweise eines Hebezeugs oder Krans
CN112429651B (zh) * 2020-10-29 2023-05-23 中铁六局集团有限公司 一种针对1000吨提运架设备的安装施工工艺

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DE102012102808A1 (de) * 2012-03-30 2013-10-02 Demag Cranes & Components Gmbh Kran, insbesondere Brückenkran oder Portalkran, mit mindestens einem Kranträger
DE102012102809A1 (de) * 2012-03-30 2013-10-02 Demag Cranes & Components Gmbh Kran, insbesondere Brückenkran oder Portalkran, mit mindestens einem Kranträger
DE102012109586A1 (de) * 2012-10-09 2014-04-10 Demag Cranes & Components Gmbh Kran, insbesondere Brückenkran oder Portalkran, mit mindestens zwei Kranträgern
DE102012109588A1 (de) * 2012-10-09 2014-04-10 Demag Cranes & Components Gmbh Kran, insbesondere Brückenkran oder Portalkran, mit mindestens einem Kranträger
RU130983U1 (ru) * 2013-04-01 2013-08-10 Олег Филиппович Ермолаев Несущий мост козлового крана

Also Published As

Publication number Publication date
BR112015006347A2 (pt) 2019-08-27
CN203199888U (zh) 2013-09-18
RU2015112354A (ru) 2016-11-27
US20150266703A1 (en) 2015-09-24
RU2637715C2 (ru) 2017-12-06
MX356500B (es) 2018-05-31
DE102012109586A1 (de) 2014-04-10
ES2606027T3 (es) 2017-03-17
CN104755409A (zh) 2015-07-01
US9751730B2 (en) 2017-09-05
EP2906493A1 (fr) 2015-08-19
AU2013329652A1 (en) 2015-05-21
WO2014056809A1 (fr) 2014-04-17
MX2015004530A (es) 2015-07-14
AU2013329652B2 (en) 2016-11-24

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