EP2865630B1 - Method and device for producing a box girder - Google Patents

Method and device for producing a box girder Download PDF

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Publication number
EP2865630B1
EP2865630B1 EP13190538.2A EP13190538A EP2865630B1 EP 2865630 B1 EP2865630 B1 EP 2865630B1 EP 13190538 A EP13190538 A EP 13190538A EP 2865630 B1 EP2865630 B1 EP 2865630B1
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European Patent Office
Prior art keywords
female part
plates
male
male part
die
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EP13190538.2A
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German (de)
French (fr)
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EP2865630A1 (en
Inventor
Eckhard Bube
Dirk Volkmer
Willi Martens
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ABUS Kransysteme GmbH
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ABUS Kransysteme GmbH
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Priority to EP13190538.2A priority Critical patent/EP2865630B1/en
Priority to ES13190538.2T priority patent/ES2557803T3/en
Publication of EP2865630A1 publication Critical patent/EP2865630A1/en
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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped

Definitions

  • the invention relates to a device for producing a box girder for a traveling crane according to claim 1.
  • the invention further relates to a method for producing a box girder for a crane system according to claim 12.
  • box profiles are often used as crane bridges.
  • different methods are known.
  • One manufacturing possibility is to edge a sheet metal in a U-shape and subsequently to close it with a cover plate.
  • the length of the resulting producible profile is essentially determined by the size of the curb.
  • Another possibility is to form a box profile by a profiling and to close this by means of a longitudinal weld.
  • the assembly of four individual sheets has established itself as a production method.
  • bulkheads are introduced into the box construction, which are positioned substantially at equal distances from each other.
  • the individual sheets are positioned around the sheets and welded to them, which ensures compliance with the geometry of the box profile.
  • the invention aims to remedy this situation.
  • the present invention has for its object to provide an apparatus and a method for producing a box girder for a overhead crane system, which allows an effort and time-minimized production of box sections. According to the invention This object is achieved by a device having the features of patent claim 1.
  • an apparatus for producing a box girder for a overhead crane system which allows a cost and time-minimized production of box girders.
  • the arrangement of a stationary die with a movable within this die arranged patrix, between which a circumferential gap for the introduction of sheets is formed, which form a box arranged in between die and male position a box is a clear positioning of the sheets allows.
  • the arrangement of bulkhead plates in the box construction for defined positioning is not required.
  • the die is connected to a rope, via which it is held horizontally in position within the die.
  • the die is formed by at least one height and / or width adjustable frame.
  • two or more die frames are arranged in sequence.
  • the not yet interconnected sheets can be changed as already guided box girders in their geometry. For example, by twisting two frames to each other, a helical box can be produced.
  • At least three mutually parallel frames are arranged, wherein at least one middle frame has a relation to the other frame different height.
  • the box girder can be given a sickle shape, under load in use a straight horizontal appearance is achieved.
  • the particular form achieved by setting the frame can then be "frozen" by welding connection at the time of welding.
  • the die and / or male are provided on their sides facing the inserted sheets with pressure rollers. As a result, a pulling of the sheets through the gap between the die and male is facilitated.
  • the die is provided spaced apart from the gap formed between the die and male with magnets for pre-positioning inserted sheets. As a result, a lateral stabilization of the sheets is achieved.
  • the gap formed between the die and the male part is designed in such a way that after insertion of the metal sheets into the gap, a box with a trapezoidal cross-section is formed.
  • the die is preferably designed such that its side cheeks are tilted, whereby different trapezoidal shapes can be achieved.
  • the die receives a guide rail running through it, the running surface of which forms a die side.
  • a continuous horizontal guidance of the welded to a box girder plates is achieved.
  • the guide rail is provided along its bearing surface with rolling elements. As a result, the friction between the bottom sheet and the guide rail is reduced, whereby a pulling through the sheets is facilitated by the gap formed between the die and male for subsequent welding.
  • a tensile module for the passage of sheets between the die and male is arranged.
  • the tensile module preferably comprises a sheet metal receptacle which is connected to at least one cable, which can be wound up on at least one driven cable winch.
  • the sheet metal holder is advantageously provided with clamping devices for attachment to the sheets to be drawn.
  • a welding device is arranged for the section-wise welding of sheets guided through the gap between the die and the male part.
  • the welding device expediently comprises at least four welding units which are positioned at the respective sheet-metal abutting edges.
  • the stated object is further achieved by a method for producing a box girder having the features of the characterizing part of patent claim 12.
  • a method for producing a box girder having the features of the characterizing part of patent claim 12.
  • the manufacturing method according to the invention is based on the idea to arrange an outer die, preferably in the form of a frame is formed, which is the same size as the external measurements of the box girder to be produced, the outer die is arranged stationary.
  • a arranged within the die patrix is arranged, which may also be in the form of an inner frame and the dimensions of which corresponds to the inner contour of the box girder.
  • the male is freely movable and is held in the longitudinal direction of the box girder to be manufactured with a rope or a chain in position.
  • Four individual sheets are each positioned between the die and the male and thus moved through the gap formed between the die and the male and subsequently welded together.
  • the sheets are connected at the end with a pulling device, by means of which they are pulled through the die.
  • a pulling device by means of which they are pulled through the die.
  • the sheets are pulled by means of magnets against arranged within the die role. As a result, a lateral stabilization of the sheets is achieved.
  • the chosen as an embodiment of apparatus for producing a box girder for a overhead crane system is essentially formed from a die 1 and a male part 2 for the defined employment of the sheets 41 to be welded and conveyor modules 3 for promoting and guiding the employed to a box girder 4 sheets 41,42.
  • the die 1 is formed in the embodiment by a stator 11 with two mutually spaced upper horizontal beams 12 and a centrally and vertically spaced from these upper horizontal beams 12 arranged lower horizontal beam 13.
  • the horizontal beams 12, 13 are in Embodiment designed as rectangular hollow profiles.
  • two pressure rollers 14 are arranged at a distance from one another on the upper horizontal supports 12.
  • spaced apart from each other on the lower horizontal support 13 at its side facing the upper horizontal beams 14 also two pinch rollers 14 are arranged.
  • the vertical distance between the pinch rollers of the upper horizontal beam 12 and the lower horizontal beam 13 corresponds to the height of the box girder 4 to be manufactured.
  • circumferential frames may also be arranged.
  • the conveyor modules 3 are formed from square profiles and have at their top horizontal beams 12 facing tops each spaced from each other two conveyor rollers 31.
  • two vertical side arms 32 are arranged at a distance from one another, which are each provided at their upper end with an adjuster 33 projecting inwards.
  • two pressure rollers 34 are arranged on the adjuster vertically spaced from one another on both sides. The horizontal distance of the pressure rollers 34 of the adjuster 33 corresponds to the outer dimension of the two side plates 42 to be produced box girder. 4
  • the male part 2 is formed in the embodiment by three mutually parallel rectangular profiles 21, which are each end connected to a head portion 22, so that a substantially parallelepiped-shaped body is formed. At one end, the head portion 22 is provided with an eyelet 23 for attachment of the tether 5.
  • the two outer rectangular profiles 21 are provided on their outwardly directed upper or lower side respectively with six horizontal pressure rollers 24, which are arranged in pairs spaced from each other. The horizontal pressure rollers 24 are arranged such that they protrude laterally beyond the rectangular profiles.
  • the middle rectangular profile is provided at its outwardly directed side walls each with a rectangular recess 211, from the one protrudes within the middle rectangular profile 21 outstanding horizontal pressure roller 24.
  • the horizontal pressure rollers 24 of the male part 2 are arranged such that they rest with their projecting beyond the rectangular profiles 21 parts on a parallel to the arrangement of the rectangular profiles 21 arranged imaginary plane. The distance between these two mutually parallel planes corresponds to the distance between the two side plates 42 of the box girder 4 to be produced.
  • vertical pressure rollers 25 are arranged on the two outer rectangular profiles 21 of the male part 2 at the end, which project beyond the rectangular profiles 21. Also, the vertical pressure rollers 25 are each made such that they rest on a parallel to the top or bottom of the outer rectangular profiles 21 arranged imaginary plane. The distance between these two horizontal planes corresponds to the distance between the positioned cover plates 41 of the box girder 4 to be manufactured.
  • the eyelet 23 the male part 2 tether connected is guided by the formed between the cover plates 41 and the side plates 42 cavity 32 and fixed end fixed so that the male part is held centrally between the pinch rollers 14 of the upper horizontal support 12 and the lower horizontal support 13 of the die 1 (see , FIG. 2 ).
  • the cover plates 41 and side plates 42 are guided through the gap formed between the die 1 and male part 2 until the sheets 41, 42 protrude from the die 1.
  • the sheets 41, 42 are welded together at their die 1 penetrating end, after which the sheets are connected at the end with a - not shown - pulling device, by means of which they are pulled through the die 1.
  • the sheets are now continuously welded - not shown - welding devices, which are each positioned at a joint edge between two sheets 41, 42, with continuous feed of the sheets 41, 42 together.
  • the result is a box girder, which can be subsequently closed at the end with a cover plate.
  • This box girder is compared to the prior art much faster and minimal effort to produce.
  • the box girder is formed due to the now missing in the prior art bulkheads significantly reduced weight.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zur Herstellung eines Kastenträgers für eine Laufkrananlage nach dem Patentanspruch 1. Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung eines Kastenträgers für eine Krananlage nach dem Patentanspruch 12.The invention relates to a device for producing a box girder for a traveling crane according to claim 1. The invention further relates to a method for producing a box girder for a crane system according to claim 12.

In Laufkrananlagen kommen als Kranbrücken häufig Kastenprofile zum Einsatz. Zur Herstellung dieser Kastenprofile sind unterschiedliche Verfahren bekannt. Eine Fertigungsmöglichkeit besteht darin, ein Blech U-förmig zu kanten und es nachfolgend mit einem Deckblech zu verschließen. Dabei ist die Länge des resultierenden herstellbaren Profils wesentlich durch die Größe der Kantbank bestimmt. Eine weitere Möglichkeit besteht darin, ein Kastenprofil durch eine Profilieranlage zu formen und dieses mittels einer Längsschweißnaht zu verschließen. Insbesondere für Kastenprofile größerer Dimensionen hat sich als Fertigungsmethode das Zusammenfügen von vier Einzelblechen etabliert. Um die Bleche bei der Abfolge der einzelnen Fertigungsschritte eindeutig zu positionieren, werden hierbei Schottbleche in die Kastenkonstruktion eingebracht, welche im Wesentlichen in gleichen Abständen zueinander positioniert werden. Die Einzelbleche werden um die Bleche positioniert und mit diesen verschweißt, wodurch die Einhaltung der Geometrie des Kastenprofils gewährleistet ist.In overhead cranes, box profiles are often used as crane bridges. For the production of these box profiles different methods are known. One manufacturing possibility is to edge a sheet metal in a U-shape and subsequently to close it with a cover plate. The length of the resulting producible profile is essentially determined by the size of the curb. Another possibility is to form a box profile by a profiling and to close this by means of a longitudinal weld. In particular for box sections of larger dimensions, the assembly of four individual sheets has established itself as a production method. In order to position the sheets clearly in the sequence of the individual manufacturing steps, here bulkheads are introduced into the box construction, which are positioned substantially at equal distances from each other. The individual sheets are positioned around the sheets and welded to them, which ensures compliance with the geometry of the box profile.

Eine Vorrichtung und ein Verfahren zum Herstellen eines Kastenträgers durch Zusammenfügen von vier Einzelblechen ist z.B. in der Patentschrift US 4,807,797 offenbart.An apparatus and a method for producing a box girder by assembling four individual sheets is disclosed, for example, in the patent US 4,807,797 disclosed.

Nachteilig an den vorbekannten Fertigungsverfahren ist, dass das schweißtechnische Zusammenfügen der Schottbleche sowie der Seitenwände und des Deckels des Kastenprofils sehr zeitintensiv ist und eine Vielzahl von Positionier- und Ausrichttätigkeiten erfordert.A disadvantage of the previously known manufacturing method that the welding assembly of the bulkhead plates and the side walls and the lid of the box profile is very time consuming and requires a variety of positioning and alignment activities.

Hier will die Erfindung Abhilfe schaffen. Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung sowie ein Verfahren zur Herstellung eines Kastenträgers für eine Laufkrananlage zu schaffen, das eine aufwand- und zeitminimierte Fertigung von Kastenprofilen ermöglicht. Gemäß der Erfindung wird diese Aufgabe durch eine Vorrichtung mit den Merkmalen des Patentanspruchs 1 gelöst.The invention aims to remedy this situation. The present invention has for its object to provide an apparatus and a method for producing a box girder for a overhead crane system, which allows an effort and time-minimized production of box sections. According to the invention This object is achieved by a device having the features of patent claim 1.

Mit der Erfindung ist eine Vorrichtung zur Herstellung eines Kastenträgers für eine Laufkrananlage geschaffen, die eine aufwand- und zeitminimierte Fertigung von Kastenträgern ermöglicht. Durch die Anordnung einer ortsfesten Matrize mit einer innerhalb dieser Matrize beweglich angeordneten Patrize, zwischen denen ein umlaufender Spalt zur Einbringung von Blechen gebildet ist, die in zwischen Matrize und Patrize angeordneter Position einen Kasten ausbilden ist eine eindeutige Positionierung der Bleche ermöglicht. Die Anordnung von Schottblechen in die Kastenkonstruktion zur definierten Positionierung ist nicht erforderlich. Dabei ist die Matrize mit einem Seil verbunden, über welches diese horizontal in Position innerhalb der Matrize gehalten ist.With the invention, an apparatus for producing a box girder for a overhead crane system is created, which allows a cost and time-minimized production of box girders. The arrangement of a stationary die with a movable within this die arranged patrix, between which a circumferential gap for the introduction of sheets is formed, which form a box arranged in between die and male position a box is a clear positioning of the sheets allows. The arrangement of bulkhead plates in the box construction for defined positioning is not required. In this case, the die is connected to a rope, via which it is held horizontally in position within the die.

In Weiterbildung der Erfindung ist die Matrize durch wenigstens einen in Höhe und/oder Breite verstellbaren Rahmen gebildet. Vorteilhaft sind zwei oder mehrere Matrizenrahmen in Folge angeordnet. Hierdurch können die noch nicht miteinander verbundenen Bleche als bereits geführte Kastenträger in ihrer Geometrie verändert werden. So kann beispielsweise durch das Verdrehen zweier Rahmen zueinander ein schraubenförmiger Kasten erzeugt werden.In a further development of the invention, the die is formed by at least one height and / or width adjustable frame. Advantageously, two or more die frames are arranged in sequence. As a result, the not yet interconnected sheets can be changed as already guided box girders in their geometry. For example, by twisting two frames to each other, a helical box can be produced.

Bevorzugt sind wenigstens drei parallel zueinander beabstandete Rahmen angeordnet, wobei wenigstens ein mittlerer Rahmen eine gegenüber den übrigen Rahmen verschiedene Höhe aufweist. Durch einen Höhenversatz von zwei Matrizen zu einer mittleren Matrize kann dem Kastenträger eine Sichelform gegeben werden, wobei unter Belastung im Einsatz eine gerade horizontale Optik erzielt ist. Die jeweilige durch Anstellung der Rahmen erzielte Form kann anschließend durch schweißtechnische Verbindung zum Zeitpunkt des Schweißens "eingefroren" werden.Preferably, at least three mutually parallel frames are arranged, wherein at least one middle frame has a relation to the other frame different height. By a height offset of two matrices to a middle die the box girder can be given a sickle shape, under load in use a straight horizontal appearance is achieved. The particular form achieved by setting the frame can then be "frozen" by welding connection at the time of welding.

In Ausgestaltung der Erfindung sind Matrize und/oder Patrize an ihren den eingelegten Blechen zugewandten Seiten mit Andruckrollen versehen. Hierdurch ist ein Durchziehen der Bleche durch den Spalt zwischen Matrize und Patrize erleichtert.In an embodiment of the invention, the die and / or male are provided on their sides facing the inserted sheets with pressure rollers. As a result, a pulling of the sheets through the gap between the die and male is facilitated.

In weiterer Ausgestaltung der Erfindung ist die Matrize beabstandet zu dem zwischen Matrize und Patrize gebildeten Spalt mit Magneten zur Vorpositionierung eingeführter Bleche versehen. Hierdurch ist eine seitliche Stabilisierung der Bleche erzielt.In a further embodiment of the invention, the die is provided spaced apart from the gap formed between the die and male with magnets for pre-positioning inserted sheets. As a result, a lateral stabilization of the sheets is achieved.

In Weiterbildung der Erfindung ist der zwischen Matrize und Patrize gebildete Spalt derart ausgebildet, dass nach Einbringen der Bleche in den Spalt ein Kasten mit trapezförmigem Querschnitt gebildet ist. Hierdurch ist die Belastbarkeit des erzielten Kastenträgers erhöht. Dabei ist die Matrize bevorzugt derart ausgebildet, dass deren Seitenwangen neigbar sind, wodurch unterschiedliche Trapezformen erzielbar sind.In a further development of the invention, the gap formed between the die and the male part is designed in such a way that after insertion of the metal sheets into the gap, a box with a trapezoidal cross-section is formed. As a result, the capacity of the box girder achieved is increased. In this case, the die is preferably designed such that its side cheeks are tilted, whereby different trapezoidal shapes can be achieved.

In Weiterbildung der Erfindung nimmt die Matrize eine durch diese verlaufende Führungsschiene auf, deren Lauffläche eine Matrizenseite ausbildet. Hierdurch ist eine durchgehende horizontale Führung der zu einem Kastenträger verschweißten Bleche erzielt. Bevorzugt ist die Führungsschiene entlang ihrer Auflagefläche mit Wälzkörpern versehen. Hierdurch ist die Reibung zwischen bodenseitigem Blech und der Führungsschiene vermindert, wodurch ein Durchziehen der Bleche durch den zwischen Matrize und Patrize gebildeten Spalt zur nachfolgenden Verschweißung erleichtert ist.In a further development of the invention, the die receives a guide rail running through it, the running surface of which forms a die side. As a result, a continuous horizontal guidance of the welded to a box girder plates is achieved. Preferably, the guide rail is provided along its bearing surface with rolling elements. As a result, the friction between the bottom sheet and the guide rail is reduced, whereby a pulling through the sheets is facilitated by the gap formed between the die and male for subsequent welding.

In Ausgestaltung der Erfindung ist ein Zugmodul zur Durchführung von Blechen zwischen Matrize und Patrize angeordnet. Hierdurch ist ein kontinuierliches Durchziehen der Bleche durch den zwischen Matrize und Patrize gebildeten Spalt erzielt. Dabei umfasst das Zugmodul vorzugsweise eine Blechaufnahme, die mit wenigstens einem Seil verbunden ist, das auf wenigstens eine angetriebene Seilwinde aufwickelbar ist. Die Blechaufnahme ist dabei vorteilhaft mit Klemmvorrichtungen zur Befestigung an den zu ziehenden Blechen versehen.In an embodiment of the invention, a tensile module for the passage of sheets between the die and male is arranged. As a result, a continuous pulling of the sheets is achieved by the gap formed between the die and male. In this case, the tensile module preferably comprises a sheet metal receptacle which is connected to at least one cable, which can be wound up on at least one driven cable winch. The sheet metal holder is advantageously provided with clamping devices for attachment to the sheets to be drawn.

In Weiterbildung der Erfindung ist eine Schweißvorrichtung zum abschnittsweisen Verschweißen von durch den Spalt zwischen Matrize und Patrize geführten Blechen angeordnet. Hierdurch ist ein kontinuierlicher Fertigungsprozess erzielbar, bei dem die Bleche kontinuierlich durch den zwischen Matrize und Patrize gebildeten Spalt gezogen und anschließend miteinander verschweißt werden. Sinnvoller Weise umfasst die Schweißeinrichtung hierzu wenigstens vier Schweißeinheiten, die an den jeweiligen Blechstoßkanten positioniert sind.In a further development of the invention, a welding device is arranged for the section-wise welding of sheets guided through the gap between the die and the male part. As a result, a continuous manufacturing process can be achieved, in which the sheets continuously through the between die and Patrize formed gap and then welded together. For this purpose, the welding device expediently comprises at least four welding units which are positioned at the respective sheet-metal abutting edges.

Die gestellte Aufgabe wird weiterhin durch ein Verfahren zur Herstellung eines Kastenträgers mit den Merkmalen des kennzeichnenden Teils des Patentanspruchs 12 gelöst. Dadurch, dass zunächst vier Bleche in Zugrichtung des mit der Patrize verbundenen Seils durch den zwischen Matrize und Patrize gebildeten Spalt geführt werden, so dass diese einen Kasten ausbilden, werden die Bleche positionsgenau angestellt. Dadurch dass diese nachfolgend an ihrem die Matrize durchdringenden Ende miteinander verschweißt werden, wonach die Bleche abschnittsweise oder kontinuierlich weiter durch die Matrize gezogen und miteinander verschweißt werden, ist die Herstellung eines Kastenträgers in einem kontinuierlichen Prozess ermöglicht. Im Gegensatz zu den im Stand der Technik bekannten Fertigungsverfahren für größere Kastenträger, bei denen vier oder mehr Bleche um angeordnete Schottbleche herum positioniert und nach und nach verschweißt werden, liegt dem erfindungsgemäßen Fertigungsverfahren der Gedanke zugrunde, eine Außenmatrize anzuordnen, die bevorzugt in Form eines Rahmens ausgebildet ist, der genauso groß ist, wie die Außenmessungen des zu fertigenden Kastenträgers, wobei die Außenmatrize ortsfest angeordnet ist. Zudem ist eine innerhalb der Matrize angeordnete Patrize angeordnet, die ebenfalls in Form eines inneren Rahmens ausgebildet sein kann und deren Abmessungen der Innenkontur des Kastenträgers entspricht. Die Patrize ist frei beweglich und wird in Längsrichtung des zu fertigenden Kastenträgers mit einem Seil oder auch einer Kette in Position gehalten. Es werden vier Einzelbleche jeweils zwischen Matrize und Patrize positioniert und so durch den zwischen Matrize und Patrize gebildeten Spalt bewegt und nachfolgend miteinander verschweißt.The stated object is further achieved by a method for producing a box girder having the features of the characterizing part of patent claim 12. The fact that initially four sheets are guided in the pulling direction of the rope connected to the male through the gap formed between the die and male, so that they form a box, the sheets are positioned accurately. The fact that these are subsequently welded together at their end penetrating the die, after which the sheets are drawn in sections or continuously through the die and welded together, the production of a box girder is made possible in a continuous process. In contrast to the known in the prior art manufacturing method for larger box girders, in which four or more sheets are positioned around arranged bulkheads and welded gradually, the manufacturing method according to the invention is based on the idea to arrange an outer die, preferably in the form of a frame is formed, which is the same size as the external measurements of the box girder to be produced, the outer die is arranged stationary. In addition, a arranged within the die patrix is arranged, which may also be in the form of an inner frame and the dimensions of which corresponds to the inner contour of the box girder. The male is freely movable and is held in the longitudinal direction of the box girder to be manufactured with a rope or a chain in position. Four individual sheets are each positioned between the die and the male and thus moved through the gap formed between the die and the male and subsequently welded together.

In Weiterbildung der Erfindung werden die Bleche endseitig mit einer Zugvorrichtung verbunden, mittels der sie durch die Matrize gezogen werden. Hierdurch ist eine gleichmäßige Bewegung der Bleche durch den Spalt zwischen Matrize und Patrize gewährleistet. Während des Durchziehens erfolgt die schweißtechnische Verbindung der Einzelbleche, so dass am Ende des Prozesses ein geschlossenes Kastenprofil gebildet ist.In a further development of the invention, the sheets are connected at the end with a pulling device, by means of which they are pulled through the die. As a result, a uniform movement of the sheets is ensured by the gap between the die and male. While pulling through the welding connection of the individual sheets, so that at the end of the process, a closed box profile is formed.

In weiterer Ausgestaltung der Erfindung werden die Bleche mittels Magneten gegen innerhalb der Matrize angeordnete Rolle gezogen. Hierdurch ist eine seitliche Stabilisierung der Bleche erzielt.In a further embodiment of the invention, the sheets are pulled by means of magnets against arranged within the die role. As a result, a lateral stabilization of the sheets is achieved.

Andere Weiterbildungen und Ausgestaltungen der Erfindung sind in den übrigen Unteransprüchen angegeben. Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird nachfolgend im Einzelnen beschrieben. Es zeigen:

Figur 1
die schematisch Darstellung einer Vorrichtung zur Herstellung eines Kastenträgers mit zur Fertigung bereitgestellten Blechen;
Figur 2
die Anordnung aus Figur 1 mit zwischen Matrize und Patrize eingeführten Blechen;
Figur 3
die Anordnung aus Figur 2 mit zwischen Matrize und Patrize durchgeführten Blechenden (Positionierung für kontinuierlichen Schweißprozess);
Figur 4
die Darstellung der Anordnung gemäß Figur 3 mit vollständig geschweißtem Kastenträger und
Figur 5
die schematische Darstellung der Patrize der Vorrichtung aus Figur 1.
Other developments and refinements of the invention are specified in the remaining subclaims. An embodiment of the invention is illustrated in the drawings and will be described in detail below. Show it:
FIG. 1
the schematic representation of an apparatus for producing a box girder with provided for the production of sheets;
FIG. 2
the arrangement FIG. 1 with plates inserted between female and male;
FIG. 3
the arrangement FIG. 2 with plate ends made between die and male (positioning for continuous welding process);
FIG. 4
the representation of the arrangement according to FIG. 3 with fully welded box girder and
FIG. 5
the schematic representation of the male of the device of Figure 1.

Die als Ausführungsbeispiel gewählte Vorrichtung zur Herstellung eines Kastenträgers für eine Laufkrananlage ist im Wesentlichen gebildet aus einer Matrize 1 sowie einer Patrize 2 zur definierten Anstellung der zu verschweißenden Bleche 41 sowie Fördermodule 3 zur Förderung und Führung der zu einem Kastenträger 4 angestellten Bleche 41,42.The chosen as an embodiment of apparatus for producing a box girder for a overhead crane system is essentially formed from a die 1 and a male part 2 for the defined employment of the sheets 41 to be welded and conveyor modules 3 for promoting and guiding the employed to a box girder 4 sheets 41,42.

Die Matrize 1 ist im Ausführungsbeispiel gebildet durch ein Ständerwerk 11 mit zwei beabstandet zueinander angeordneten oberen Horizontalträgern 12 sowie einem mittig sowie vertikal beabstandet zu diesen oberen Horizontalträgern 12 angeordneten unteren Horizontalträger 13. Die Horizontalträger 12, 13 sind im Ausführungsbeispiel als Rechteckhohlprofile ausgebildet. An ihrer dem unteren Horizontalträger 13 zugewandten Innenseite sind an dem oberen Horizontalträgern 12 beabstandet zueinander zwei Andruckrollen 14 angeordnet. Gleichsam ist an dem unteren Horizontalträger 13 an seiner dem oberen Horizontalträgern 14 zugewandten Seite beabstandet zueinander ebenfalls zwei Andruckrollen 14 angeordnet. Der vertikale Abstand der Andruckrollen der oberen Horizontalträger 12 und des unteren Horizontalträgers 13 entspricht der Höhe des zu fertigenden Kastenträgers 4. Anstelle der oberen und unteren Horizontalträger können auch umlaufende Rahmen angeordnet sein.The die 1 is formed in the embodiment by a stator 11 with two mutually spaced upper horizontal beams 12 and a centrally and vertically spaced from these upper horizontal beams 12 arranged lower horizontal beam 13. The horizontal beams 12, 13 are in Embodiment designed as rectangular hollow profiles. On its inner side facing the lower horizontal support 13, two pressure rollers 14 are arranged at a distance from one another on the upper horizontal supports 12. Similarly, spaced apart from each other on the lower horizontal support 13 at its side facing the upper horizontal beams 14 also two pinch rollers 14 are arranged. The vertical distance between the pinch rollers of the upper horizontal beam 12 and the lower horizontal beam 13 corresponds to the height of the box girder 4 to be manufactured. Instead of the upper and lower horizontal girders, circumferential frames may also be arranged.

Beidseitig des unteren Horizontalträgers 13 sind parallel zueinander zwei Fördermodule 3 angeordnet. Die Fördermodule 3 sind aus Vierkantprofilen gebildet und weisen an ihrer den oberen Horizontalträgern 12 zugewandten Oberseiten jeweils beabstandet zueinander zwei Förderrollen 31 auf. Zwischen den jeweils beiden Förderrollen 31 der beiden Fördermodule 3 sind beabstandet zueinander zwei vertikale Seitenarme 32 angeordnet, die an ihrem oberen Ende jeweils mit einem nach innen auskragenden Ansteller 33 versehen sind. Endseitig sind an den Ansteller beidseitig vertikal beabstandet zueinander zwei Andrückrollen 34 angeordnet. Der horizontale Abstand der Andrückrollen 34 der Ansteller 33 entspricht dem Außenmaß der beiden Seitenbleche 42 zu fertigenden Kastenträgers 4.On both sides of the lower horizontal support 13 two conveyor modules 3 are arranged parallel to each other. The conveyor modules 3 are formed from square profiles and have at their top horizontal beams 12 facing tops each spaced from each other two conveyor rollers 31. Between the respective two conveyor rollers 31 of the two conveyor modules 3, two vertical side arms 32 are arranged at a distance from one another, which are each provided at their upper end with an adjuster 33 projecting inwards. At the end, two pressure rollers 34 are arranged on the adjuster vertically spaced from one another on both sides. The horizontal distance of the pressure rollers 34 of the adjuster 33 corresponds to the outer dimension of the two side plates 42 to be produced box girder. 4

Die Patrize 2 ist im Ausführungsbeispiel durch drei parallel zueinander angeordnete Rechteckprofile 21 gebildet, welche endseitig jeweils mit einem Kopfteil 22 verbunden sind, so dass ein im Wesentlichen quaderförmiger Körper gebildet ist. An einem Ende ist das Kopfteil 22 mit einer Öse 23 zur Befestigung des Halteseils 5 versehen. Die beiden äußeren Rechteckprofile 21 sind an ihrer nach außen gerichteten Ober- bzw. Unterseite jeweils mit sechs horizontalen Andrückrollen 24 versehen, die paarweise beabstandet zueinander angeordnet sind. Die horizontalen Andrückrollen 24 sind dabei derart angeordnet, dass sie seitlich über die Rechteckprofile hinausragen.The male part 2 is formed in the embodiment by three mutually parallel rectangular profiles 21, which are each end connected to a head portion 22, so that a substantially parallelepiped-shaped body is formed. At one end, the head portion 22 is provided with an eyelet 23 for attachment of the tether 5. The two outer rectangular profiles 21 are provided on their outwardly directed upper or lower side respectively with six horizontal pressure rollers 24, which are arranged in pairs spaced from each other. The horizontal pressure rollers 24 are arranged such that they protrude laterally beyond the rectangular profiles.

Das mittlere Rechteckprofil ist an seinem nach außen gerichteten Seitenwänden jeweils mit einer rechteckförmigen Aussparung 211 versehen, aus der eine innerhalb des mittleren Rechteckprofils 21 herausragende horizontale Andrückrolle 24 hinausragt. Die horizontalen Andrückrollen 24 der Patrize 2 sind derart angeordnet, dass sie mit ihren über die Rechteckprofile 21 hinausragenden Teilen auf einer parallel zu der Anordnung der Rechteckprofile 21 angeordneten gedachten Ebene aufliegen. Der Abstand dieser beiden parallel zueinander angeordneten Ebenen entspricht dem Abstand der beiden Seitenbleche 42 des zu fertigenden Kastenträgers 4.The middle rectangular profile is provided at its outwardly directed side walls each with a rectangular recess 211, from the one protrudes within the middle rectangular profile 21 outstanding horizontal pressure roller 24. The horizontal pressure rollers 24 of the male part 2 are arranged such that they rest with their projecting beyond the rectangular profiles 21 parts on a parallel to the arrangement of the rectangular profiles 21 arranged imaginary plane. The distance between these two mutually parallel planes corresponds to the distance between the two side plates 42 of the box girder 4 to be produced.

Weiterhin sind an den beiden äußeren Rechteckprofilen 21 der Patrize 2 endseitig vertikale Andrückrollen 25 angeordnet, welche über die Rechteckprofile 21 hinausragen. Auch die vertikalen Andrückrollen 25 sind jeweils derart angestellt, dass sie auf einer parallel zur Ober- bzw. Unterseite der äußeren Rechteckprofile 21 angeordneten gedachten Ebene anliegen. Der Abstand dieser beiden horizontalen Ebenen entspricht dabei dem Abstand der positionierten Deckbleche 41 des zu fertigenden Kastenträgers 4.Furthermore, vertical pressure rollers 25 are arranged on the two outer rectangular profiles 21 of the male part 2 at the end, which project beyond the rectangular profiles 21. Also, the vertical pressure rollers 25 are each made such that they rest on a parallel to the top or bottom of the outer rectangular profiles 21 arranged imaginary plane. The distance between these two horizontal planes corresponds to the distance between the positioned cover plates 41 of the box girder 4 to be manufactured.

Beidseitig der Matrize 1 sind jeweils beabstandet zueinander jeweils zwei weitere Fördermodule 3, 3' angeordnet, wobei lediglich die beiden Fördermodule 3, die auf der dem Halteseil 5 zugewandten Seite angeordnet sind mit Ansteller 33 aufweisenden Seitenarmen 32 versehen sind. Bei den auf der gegenüberliegenden Seite angeordneten Fördermodulen 3' sind die Seitenarme 32 nicht erforderlich, da die Bleche 41, 42 hier bereits verschweißt sind.On both sides of the die 1 spaced apart from each other two further conveyor modules 3, 3 'are arranged, wherein only the two conveyor modules 3, which are arranged on the tether 5 side facing are provided with Ansteller 33 having side arms 32. In the arranged on the opposite side conveyor modules 3 ', the side arms 32 are not required, since the sheets 41, 42 are already welded here.

Zur Herstellung eines Kastenträgers werden zunächst zwei Seitenbleche 42 sowie zwei Deckbleche 41 auf den Fördermodulen 3 angeordnet und in den Bereich der Matrize 1 geschoben, so dass die Andruckrollen 14 der Matrize 1 außen an den Deckblechen 41 anliegen. Nachfolgen wird die Patrize 2 in den von den Deckblechen 41 und Seitenblechen 42 gebildeten Hohlraum geschoben, wobei die horizontalen Andrückrollen 24 innen an den Seitenblechen 42 und die vertikalen Andrückrollen 25 innen an den Deckblechen 41 anliegen. Die Seitenbleche 42 sind nun zwischen den horizontalen Andrückrollen der Patrize 2 und dem Andrückrollen 34 der Ansteller 33 der Fördermodule 3 geführt. Weiterhin sind die Seitenbleche 42 zwischen den vertikalen Andrückrollen 25 der Patrize 2 und den Andrückrollen 14 der Matrize 1 geführt. Das mit der Öse 23 der Patrize 2 verbundene Halteseil ist durch den zwischen den Deckblechen 41 und den Seitenblechen 42 gebildeten Hohlraum 32 geführt und endseitig derart ortsfest fixiert, dass die Patrize mittig zwischen den Andruckrollen 14 der oberen Horizontalträger 12 und des unteren Horizontalträgers 13 der Matrize 1 gehalten ist (vgl. Figur 2).To produce a box girder, firstly two side plates 42 and two cover plates 41 are arranged on the conveyor modules 3 and pushed into the region of the die 1, so that the pressure rollers 14 of the die 1 abut the outside of the cover plates 41. Successively, the male part 2 is pushed into the cavity formed by the cover plates 41 and side plates 42, wherein the horizontal pressure rollers 24 bear inside on the side plates 42 and the vertical pressure rollers 25 inside the cover plates 41. The side plates 42 are now guided between the horizontal pressure rollers of the male part 2 and the pressure rollers 34 of the adjuster 33 of the conveyor modules 3. Furthermore, the side plates 42 are guided between the vertical pressure rollers 25 of the male part 2 and the pressure rollers 14 of the die 1. The eyelet 23 the male part 2 tether connected is guided by the formed between the cover plates 41 and the side plates 42 cavity 32 and fixed end fixed so that the male part is held centrally between the pinch rollers 14 of the upper horizontal support 12 and the lower horizontal support 13 of the die 1 (see , FIG. 2 ).

Nachfolgend werden die Deckbleche 41 und Seitenbleche 42 durch den zwischen Matrize 1 und Patrize 2 gebildeten Spalt geführt, bis die Bleche 41, 42 aus der Matrize 1 herausragen. Anschließend werden die Bleche 41, 42 an ihren die Matrize 1 durchdringenden Ende miteinander verschweißt, wonach die Bleche endseitig mit einer - nicht dargestellten - Zugvorrichtung verbunden werden, mittels der sie durch die Matrize 1 gezogen werden. Die Bleche werden nun kontinuierlich über - nicht dargestellte - Schweißeinrichtungen, die jeweils an einer Stoßkante zwischen zwei Blechen 41, 42 positioniert sind, unter kontinuierlichem Vorschub der Bleche 41, 42 miteinander verschweißt. Ergebnis ist ein Kastenträger, der nachfolgend endseitig mit einem Deckblech geschlossen werden kann. Dieser Kastenträger ist gegenüber dem Stand der Technik wesentlich schneller und aufwandminimiert herstellbar. Zudem ist der Kastenträger aufgrund der nunmehr fehlenden im Stand der Technik vorhandenen Schottbleche deutlich gewichtsreduziert ausgebildet.Subsequently, the cover plates 41 and side plates 42 are guided through the gap formed between the die 1 and male part 2 until the sheets 41, 42 protrude from the die 1. Subsequently, the sheets 41, 42 are welded together at their die 1 penetrating end, after which the sheets are connected at the end with a - not shown - pulling device, by means of which they are pulled through the die 1. The sheets are now continuously welded - not shown - welding devices, which are each positioned at a joint edge between two sheets 41, 42, with continuous feed of the sheets 41, 42 together. The result is a box girder, which can be subsequently closed at the end with a cover plate. This box girder is compared to the prior art much faster and minimal effort to produce. In addition, the box girder is formed due to the now missing in the prior art bulkheads significantly reduced weight.

Claims (14)

  1. Device for producing a box girder (4) for a crane system having an outer, stationary female part (1) and a male part (2) movably arranged inside the female part, between which a circumferential gap for inserting plates (41, 42) is formed, which form a box in a position between female part (1) and male part (2), wherein the male part (2) is connected with a rope, via which the male part (2) is horizontally held in position inside the female part (1).
  2. Device according to claim 1, characterised in that the female part (1) is formed by at least one frame adjustable in height and/or width.
  3. Device according to claim 1 or 2, characterised in that at least three frames are arranged parallel at a distance to each other, wherein at least one middle frame has a different height vis-à-vis the other frames.
  4. Device according to one of the previous claims, characterised in that the female part (1) and/or male part (2) are provided with press rolls (14, 24, 25, 34) at their sides facing the inserted plates.
  5. Device according to claim 4, characterised in that the female part (1), at a distance to the gap between the female part (1) and the male part (2), is provided with magnets for pre-positioning inserted plates.
  6. Device according to one of the previous claims, characterised in that the gap between the female part (1) and the male part (2) is formed in a way that after inserting the plates (41, 42) into the gap, a box having a trapezoidal cross-section is formed.
  7. Device according to one of the previous claims, characterised in that the female part (1) receives a guide rail passing through it whose running surface forms one side of the female part.
  8. Device according to claim 7, characterised in that the guide rail is provided with rolling elements along its contact surface.
  9. Device according to one of the previous claims, characterised in that a tensile modulus for the passing through of plates (41, 42) is arranged between the female part (1) and the male part (2).
  10. Device according to claim 9, characterised in that the tensile modulus comprises a receptacle for plates, which is connected to at least one rope, which can be wound onto at least one powered winch.
  11. Device according to one of the previous claims, characterised in that a welding fixture for step-by-step welding of the plates (41, 42) guided through the gap between the female part (1) and the male part (2) is arranged.
  12. Method for producing a box girder (4) for a crane system having a device according to one of the previous claims, characterised in that first of all four plates (41, 42) are guided in tensile direction of the rope (5) connected to the male part (2) through the gap between the female part (1) and the male part (2), so that they form a box, the plates (41, 42) are subsequently welded to one another at their end protruding the female part (1), whereby the plates (41, 42) are pulled further through the female part (1) in sections or continuously and are welded to one another.
  13. Method according to claim 12, characterised in that the plates are connected at their end with a towing device, by means of which they are pulled through the female part (1).
  14. Method according to claim 12 or 13, characterised in that the plates are pulled by means of magnets against press rolls arranged inside the female part (1).
EP13190538.2A 2013-10-28 2013-10-28 Method and device for producing a box girder Active EP2865630B1 (en)

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EP13190538.2A EP2865630B1 (en) 2013-10-28 2013-10-28 Method and device for producing a box girder
ES13190538.2T ES2557803T3 (en) 2013-10-28 2013-10-28 Device and procedure to produce a box holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13190538.2A EP2865630B1 (en) 2013-10-28 2013-10-28 Method and device for producing a box girder

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Publication number Priority date Publication date Assignee Title
CN108412127B (en) * 2018-04-08 2020-09-01 湖北沛函建设有限公司 Machining device and method for heavy-duty assembly type grouting steel pipe superposed column
CN117884830B (en) * 2024-03-14 2024-05-24 智迈德股份有限公司 Vertical welding equipment for box girder assembly

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GB1360730A (en) * 1972-07-27 1974-07-24 Slovacke Strojirny Narodni Pod Box girder
US4807797A (en) * 1980-12-01 1989-02-28 The Manitowoc Company, Inc. Method and apparatus for welding hollow elongated beams
IT1256896B (en) * 1992-07-24 1995-12-27 Lara Consultants Srl PROCEDURE AND RELATED EQUIPMENT FOR THE PRODUCTION OF STRUCTURAL MANUFACTURES OF SHEET METAL BY COMBINED PROCESSING OF CUTTING AND WELDING.
DE102004022743A1 (en) * 2004-05-07 2005-11-24 Nedcon Magazijninrichting B.V. Closed rectangular corner profile used in shelf construction comprises two narrow metal sheets and two wide metal sheets

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