EP3141314A1 - Procédé et dispositif de fabrication d'une poutre à treillis continue - Google Patents

Procédé et dispositif de fabrication d'une poutre à treillis continue Download PDF

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Publication number
EP3141314A1
EP3141314A1 EP15002639.1A EP15002639A EP3141314A1 EP 3141314 A1 EP3141314 A1 EP 3141314A1 EP 15002639 A EP15002639 A EP 15002639A EP 3141314 A1 EP3141314 A1 EP 3141314A1
Authority
EP
European Patent Office
Prior art keywords
wire
bending
diagonal
wires
mandrel
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.)
Ceased
Application number
EP15002639.1A
Other languages
German (de)
English (en)
Inventor
Robert Tremmel
Martin Springer
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.)
EVG Entwicklungs und Verwertungs GmbH
Original Assignee
EVG Entwicklungs und Verwertungs 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 EVG Entwicklungs und Verwertungs GmbH filed Critical EVG Entwicklungs und Verwertungs GmbH
Priority to EP15002639.1A priority Critical patent/EP3141314A1/fr
Priority to EP21168732.2A priority patent/EP3888813B1/fr
Publication of EP3141314A1 publication Critical patent/EP3141314A1/fr
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
    • 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
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material

Definitions

  • the invention relates to a method for continuously producing a lattice girder, which is welded together from two Untergurtdrähten and a Obergurtdraht, and from one each between the Obergurtdraht and each of the two Untergurtdrähte zigzagging back and forth Diagonalgurtdraht;
  • all five belt wires are fed from a plurality of wire feeding and changing devices to a feed device and from there in the production direction in parallel to a welding and bending machine in which first the diagonal belt wires are bent into the desired zigzag shape by means of three transversely to the direction of production mandrels;
  • two bending mandrels are constantly at the height level of the supplied Diagonalgurtdrahtes at a distance from each other; the third bending mandrel is
  • the diagonal straps of the sliding lattice girders in particular have serrations with an upright short leg, which runs perpendicular to the carrier direction, and with a longer angled, flattened leg in this respect angled;
  • the bottom bend of each of the two legs is adjoined laterally by a section extending in the direction of the carrier.
  • the upper bend of the two differently long and differently inclined legs is welded to the upper flange, the adjacent to the lower straps, extending in the support direction sections are welded in each case via one or two welds with the lower chords.
  • the invention has for its object to provide a production process for lattice girders of all kinds without time-consuming modification of the welding and bending machine. Likewise, a facility enabling this should also be provided.
  • the invention consists in a method of the type mentioned above, that for each of the Gurtdrähte a plurality of wire threading and changing devices for wires of the same or different thickness, quality and / or surface is ready and the wire, which by another, respectively matching Wire is to be replaced, cut off by means of a separate input side for each wire scissors and withdrawn by means of his Drahteinfädel- and - LCD immunity, whereupon the new matching wire is moved by means of his Drahteinfädel- and - LCD immunity in the production direction to its feed device.
  • the prongs of the diagonal belt wires may be bent into desired shapes as follows: For bending the individual prongs of the diagonal belt wire, the upwardly and downwardly movable mandrel is moved along an approximately circular path defined by the respective one Diagonalgurtdraht extending vertical plane, and in addition along the radius of the circular path moves, so that the teeth of the Diagonalgurtdrumblete be formed either isosceles or with different lengths and different inclined legs and also thrust carrier without modification of the device can be made.
  • the approximately circular path has its center preferably in the axis of the second bending mandrel remaining permanently at the height level of the supplied diagonal belt wire.
  • the system according to the invention for producing a lattice girder described at the outset starts from a plant, wherein all five girth wires can be supplied from a plurality of wire threading and changing devices to a feed device, which is vertically adjustable in the case of the upper girdle wire, and from there to a welding and bending machine, in which first a bending device is provided for the bending of the two diagonal belt wires with three bending mandrels arranged transversely to the direction of production; of which two bending mandrels are constantly at the height level of the Diagonalgurtdrahtes at a distance from each other; the third bending mandrel is in a position between the other two bending mandrels and is movable up and down from a starting position along the diagonal wire and thus actively effects bending with an adjustable upper reversing height; Similarly, the feed device for the upper chord wire is height adjustable, so that the Diagonalgurtdrähte either with different high isos
  • the invention is characterized in such a system by an available for each of the Gurt wires existing plurality of Drachteninfädel- and - grill Rheinen for wires of the same or different thickness, quality and / or surface, which wire feeding and changing devices each in the direction of in the Feed device located wire can be brought and reversed in their direction, as well as by an input side for each of the belt wires scissors, which is independently or together with the other scissors actuated, the scissors for the upper chord wire is height adjustable together with the feed device.
  • the teeth of the upwardly and downwardly movable mandrel along an approximately circular path, which lies in a running through the respective diagonal wire vertical plane, and additionally along the radius of the circular path movable, so that the teeth of the diagonal straps either isosceles or can be formed with different lengths and different inclined legs.
  • the swinging up and down bending mandrel is attached to one end of a pivoting arm; at the other end of the pivot arm engages a roller whose shaft is mounted at its two ends depending on the end of two parallel links; at the other end of one of the two parallel links engages a rotatably driven shaft, which is coaxial with the axis of the second in the production direction, at the height level of the supplied Diagonaldrahtes remaining bending mandrel; by turning the shaft, the handlebars and the shaft carrying the roller as well as the up and down movable Pivot mandrel bearing pivot arm are pivoted along an approximately circular path, which lies in a running through the respective diagonal wire vertical plane; the lying in the same axis end of the other of the two links is decoupled on a further rotatably driven shaft, which is also coaxially with the axis of the second in the production direction, at the height level of the supplied diagonal wire remaining bending mandrel and a gear drives, which with one on
  • Fig. 1 the plant as a whole schematically in a side view
  • Fig. 2 the same plant in plan view and show the Fig. 3-5 the principle of the bending mechanism of the system for the diagonal belt wires of the lattice girder respectively in perspective or in plan view and side view
  • Fig. 6 a perspective view of the bending mechanism, but of the in Fig. 3 seen opposite side
  • the Fig. 7, 7A an initial ( Fig. 7 ) or end position ( Fig. 7A ) of the bending mechanism in bending an unequal leg of the Diagonalgurtdrahtes
  • the Fig. 8, 8A an initial ( Fig. 8 ) or end position ( Fig. 8A ) of the bending mechanism when bending an isosceles tooth of Diagonalgurtdrahtes.
  • Wire feeding and changing devices for each of the five belt wires of the lattice girder are denoted by 4, namely for two Untergurtdrähte 1, 1 ', a Upper chord wire 2 and two Diagonalgurtdrähte 3, 3 ', each of which zigzags on the finished support between the upper flange 2 and one of the two lower chords 1, 1' back and forth.
  • the Gurtdrähte 1, 1 ', 2, 3, 3' and made therefrom straps of the lattice girder are designated the same.
  • a plurality of wire threading and changing devices 4 are provided with wires each having the same or different thicknesses, qualities and / or surfaces .
  • the wire threading and changing devices 4 can each be brought in the direction of the line of the wire located in subsequent feed devices 6 and reversed in their running direction.
  • a respective scissors arranged on the input side before or on the respective feed device 6 is denoted by 5, which can be actuated independently or together with the other scissors 5.
  • the Gurtdrähte 1, 1 ', 2, 3, 3' can each be threaded together or individually for themselves and cut.
  • the scissors 5 for the upper chord wire 2 is located in the midst of a specific feed device 6, which is height-adjusted together with the scissors 5 in the case of changing the height of the lattice girder.
  • the shears 5 for the Diagonalgurtdrähte 3, 3 'and for the Untergurtdrähte 1, 1' are arranged in front of the respective feed devices 6 '.
  • the bending device 8 has three bending mandrels 9-11, of which two bending mandrels 9, 10 are constantly at the height level of the supplied Diagonalgurtdrahtes 3 and 3 'at a distance from each other and the third mandrel 11 from a starting position between the two other bending mandrels 9, 10th and along the diagonal wire 3 and 3 'moved up and down is the upper reversal point of the up and movable bending mandrel 11 is height adjustable in the event that the height of the lattice girder must be adjusted.
  • the zigzag shape of the diagonal belt wires 3, 3 ' has upper 12 and lower bends 13.
  • the bending device 8 is described below with reference to Fig. 3-6 described in more detail.
  • the bending device 8 is followed by a welding device 14 for welding the upper wire 2 with the upper bends 12 of the Diagonalgurtdrähte 3, 3 ', and a gripping and transport device 15 acting on the upper flange 2. Thereafter follows a welding device 16 for welding the lower bends 13 of the Diagonalgurtdrähte 3, 3 'with the Untergurtdrähten 1, 1'. This completes the lattice girder.
  • outlet-side shears 17 for cutting the lattice girders for the case of large-scale productions.
  • the Fig. 3-6 show the principle of the bending device 8, which is independent of the described inlet section of the system, but preferably subsequently used to this.
  • the second fixed in the production direction 7 10 clamps the first mandrel 9 on the moving diagonal wire 3 and 3' firmly and runs with this to the desired bending point with, in particular the Figs. 7, 7A, 8 and 8A demonstrate.
  • the reverse height of the movable up and down, third bending mandrel 11 is adjustable, as already mentioned above.
  • the shaft 27 is coaxially aligned with the axis of the second, fixed bending mandrel 10.
  • a bending device 8 are optionally bending beams with isosceles teeth of the diagonal belts, as in Fig. 3 left and in Fig. 5 are shown on the right, or bending beam with different lengths and inclined legs 31, 32 of the teeth of the diagonal straps 3, 3 'produced as in Fig. 3 right and in Fig. 5 are shown on the left.
  • the differently inclined legs 31, 32 are connected by sections 33 extending in the direction of support between the prongs of the diagonal straps 3, 3 ', which are welded to the lower straps 1, 1'.
  • Figs. 7, 7A, 8 and 8A illustrates where also with the connected in the direction of production first bending mandrel 9 clamping device is shown schematically.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
EP15002639.1A 2015-09-09 2015-09-09 Procédé et dispositif de fabrication d'une poutre à treillis continue Ceased EP3141314A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15002639.1A EP3141314A1 (fr) 2015-09-09 2015-09-09 Procédé et dispositif de fabrication d'une poutre à treillis continue
EP21168732.2A EP3888813B1 (fr) 2015-09-09 2015-09-09 Dispositif de cintrage pour la fabrication d'une poutre a treillis continue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15002639.1A EP3141314A1 (fr) 2015-09-09 2015-09-09 Procédé et dispositif de fabrication d'une poutre à treillis continue

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP21168732.2A Division EP3888813B1 (fr) 2015-09-09 2015-09-09 Dispositif de cintrage pour la fabrication d'une poutre a treillis continue

Publications (1)

Publication Number Publication Date
EP3141314A1 true EP3141314A1 (fr) 2017-03-15

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP21168732.2A Active EP3888813B1 (fr) 2015-09-09 2015-09-09 Dispositif de cintrage pour la fabrication d'une poutre a treillis continue
EP15002639.1A Ceased EP3141314A1 (fr) 2015-09-09 2015-09-09 Procédé et dispositif de fabrication d'une poutre à treillis continue

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Application Number Title Priority Date Filing Date
EP21168732.2A Active EP3888813B1 (fr) 2015-09-09 2015-09-09 Dispositif de cintrage pour la fabrication d'une poutre a treillis continue

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EP (2) EP3888813B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637130A (zh) * 2018-08-03 2018-10-12 安平县宏宇网业有限公司 钢丝折弯机及用该机进行钢丝折弯的方法
CN110523820A (zh) * 2019-08-27 2019-12-03 建科机械（天津）股份有限公司 摆动式桁架步进装置及桁架生产系统
CN110614335A (zh) * 2019-10-24 2019-12-27 东莞市精焊机械科技有限公司 自动焊线钢扣机
EP3269466B1 (fr) 2016-07-15 2020-04-22 MBK MASCHINENBAU GmbH Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis
WO2024084532A1 (fr) * 2022-10-20 2024-04-25 Awm Srl Procédé et appareil de production de poutres en treillis métallique et poutre en treillis

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487861A (en) * 1967-08-29 1970-01-06 Stryco Mfg Co Truss making and method
AT283868B (de) * 1968-02-12 1970-08-25 Franz Filzmoser Einrichtung zum Biegen von Stäben u.dgl.
DE2063041A1 (de) * 1970-11-26 1972-06-15 Filzmoser, Franz, Wels (Österreich) Einrichtung zum Biegen von Stäben u.dgl.
FR2118039A1 (fr) * 1970-12-10 1972-07-28 Evg Entwicklung Verwert Ges
EP0355776A2 (fr) * 1988-08-23 1990-02-28 Hugo Bittlmayer Procédé pour armer des plaques en béton, dispositif pour la mise en oeuvre du procédé ainsi que poutres en treillis
GB2346575A (en) * 1999-02-10 2000-08-16 Structherm Ltd Truss machine
WO2013000551A1 (fr) 2011-06-30 2013-01-03 Progress Maschinen & Automation Ag Procédé et installation destinés à la fabrication continue d'une poutre à treillis
EP2789406A1 (fr) * 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487861A (en) * 1967-08-29 1970-01-06 Stryco Mfg Co Truss making and method
AT283868B (de) * 1968-02-12 1970-08-25 Franz Filzmoser Einrichtung zum Biegen von Stäben u.dgl.
DE2063041A1 (de) * 1970-11-26 1972-06-15 Filzmoser, Franz, Wels (Österreich) Einrichtung zum Biegen von Stäben u.dgl.
FR2118039A1 (fr) * 1970-12-10 1972-07-28 Evg Entwicklung Verwert Ges
EP0355776A2 (fr) * 1988-08-23 1990-02-28 Hugo Bittlmayer Procédé pour armer des plaques en béton, dispositif pour la mise en oeuvre du procédé ainsi que poutres en treillis
GB2346575A (en) * 1999-02-10 2000-08-16 Structherm Ltd Truss machine
WO2013000551A1 (fr) 2011-06-30 2013-01-03 Progress Maschinen & Automation Ag Procédé et installation destinés à la fabrication continue d'une poutre à treillis
EP2789406A1 (fr) * 2013-04-12 2014-10-15 Progress Maschinen & Automation AG Cintreuse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3269466B1 (fr) 2016-07-15 2020-04-22 MBK MASCHINENBAU GmbH Dispositif de pliage d'un fil pour une machine de soudage de poutre en treillis
CN108637130A (zh) * 2018-08-03 2018-10-12 安平县宏宇网业有限公司 钢丝折弯机及用该机进行钢丝折弯的方法
CN110523820A (zh) * 2019-08-27 2019-12-03 建科机械（天津）股份有限公司 摆动式桁架步进装置及桁架生产系统
CN110614335A (zh) * 2019-10-24 2019-12-27 东莞市精焊机械科技有限公司 自动焊线钢扣机
CN110614335B (zh) * 2019-10-24 2024-05-14 东莞市精焊机械科技有限公司 自动焊线钢扣机
WO2024084532A1 (fr) * 2022-10-20 2024-04-25 Awm Srl Procédé et appareil de production de poutres en treillis métallique et poutre en treillis

Also Published As

Publication number Publication date
EP3888813A1 (fr) 2021-10-06
EP3888813B1 (fr) 2022-09-07

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