EP0102900A2 - Versetzgerät für Längsträger zwischen Brückenpfeilern - Google Patents

Versetzgerät für Längsträger zwischen Brückenpfeilern Download PDF

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Publication number
EP0102900A2
EP0102900A2 EP83401715A EP83401715A EP0102900A2 EP 0102900 A2 EP0102900 A2 EP 0102900A2 EP 83401715 A EP83401715 A EP 83401715A EP 83401715 A EP83401715 A EP 83401715A EP 0102900 A2 EP0102900 A2 EP 0102900A2
Authority
EP
European Patent Office
Prior art keywords
chain
rack elements
frames
pile
piers
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.)
Withdrawn
Application number
EP83401715A
Other languages
English (en)
French (fr)
Other versions
EP0102900A3 (de
Inventor
Minas Melkonian
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.)
CERCOMAT SA
Original Assignee
CERCOMAT SA
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 CERCOMAT SA filed Critical CERCOMAT SA
Publication of EP0102900A2 publication Critical patent/EP0102900A2/de
Publication of EP0102900A3 publication Critical patent/EP0102900A3/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections

Definitions

  • the invention relates to the public works equipment industry and, more particularly, the devices used for launching a beam between bridge piers.
  • the present invention relates to a device which can be used for the construction of bridges, but which does not have the drawbacks of the devices hitherto known.
  • the present invention relates to a beam launcher device between bridge piers comprising two horizontal parallel frames, joined by their ends, each forming at their top an upper raceway for mobile carriages circulating astride the two frames and carriers of means for lifting the beam, the frames each having along their base parallel lower raceways for rollers carried by each pile, the frames having a length greater than the interval between three piles, device characterized in that it comprises means for translating from one pile to another and for immobilizing comprising, at the base of each frame, an endless chain driven in rotation by synchronized, reversible motor means and lockable at will, carried by the frame, and at the top of each stack of parallel fixed rack elements, each successively meshing with a strand of one of the chains as the device passes.
  • the rack elements consist of a plate comprising a toothed edge coming into engagement with the chain links and capable of sliding longitudinally between two elastic stops over a distance of the order of the interval between two teeth of the toothed edge.
  • Such a device will preferably include means for keeping each chain under sufficient tension to prevent it from escaping from the drive and blocking means and rack elements.
  • each endless chain is advantageously arranged in the vertical median plane of the associated frame.
  • such a device comprises means for supporting and guiding each of the chain strands over the greater part of their length.
  • each lower endless chain strand will be raised at each end by a sufficient height, greater than the thickness of the chain.
  • the beam launcher device shown in the figures essentially comprises two horizontal parallel frames 1, 2 assembled at their ends by a bracing not shown.
  • Each of the frames has, in section, a triangular structure. It is formed by two lattices 36, 37 whose meeting at the top constitutes, for each beam, a raceway 24, 25 for the beam-carrying carriages 26, 27.
  • the base of each of the lattices 36, 37 constitutes a raceway bearing 22, 23 respectively for the entire device on rollers such as 18, 19, 20 carried by pendulums 31, 32, 33 resting either on beams already in place 29, 30, or on a prop 34 resting directly on the top of the stack 8 on which the beam 28 must come to rest during transfer.
  • each frame From one end to the other of each frame extends an endless chain 3, 3 'held in place by guide angles 16, 17 arranged on either side of the brace 35 separating the bases of the trellis 36, 37 constituting the frame.
  • sprockets At each end of each frame are arranged sprockets on which the chain passes and which are driven by motors 4, 5.
  • idler rollers 14, 15 keep the chain under constant tension.
  • the chain engages in a rack plate 9 disposed between the rollers 18, 19, 20, 21 and held in the axis of the chain 3 between two elastic stops 12 , 13.
  • the middle of each rack plate 9 is hollowed out of a lumen 39 which passes through an abutment axis 38 integral with the base.
  • the movement of the rack plate 9 authorized by the light 39 in cooperation with the axis 38 and the stops 12, 13 is such that the toothed edge 11 of the rack can automatically engage in the chain 3 when passing from that -this.
  • the movement is of the order of the interval between two times of the toothed edge 11, that is to say of the pitch of the chain 3.
  • the invention is in no way limited to the embodiment of the example described and shown, it is capable of numerous variants accessible to those skilled in the art, depending on the applications envisaged and without departing from it. of the scope of the invention.
  • the rack plates instead of placing the chains in the axis of each of the frames, it is possible to envisage placing them flat, the rack plates then being arranged horizontally.
  • the rack plates instead of replacing the rack plates with linear toothed edges, as shown and described, by toothed wheels or toothed sectors which can pivot between two stops similar to the stops 12, 13, with a freedom of movement similar to that conferred by the light 39 in the stop axis 38, in the example described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
EP83401715A 1982-09-06 1983-08-29 Versetzgerät für Längsträger zwischen Brückenpfeilern Withdrawn EP0102900A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8215108A FR2532668B1 (fr) 1982-09-06 1982-09-06 Dispositif lanceur de poutre entre piles de pont
FR8215108 1982-09-06

Publications (2)

Publication Number Publication Date
EP0102900A2 true EP0102900A2 (de) 1984-03-14
EP0102900A3 EP0102900A3 (de) 1985-05-15

Family

ID=9277236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401715A Withdrawn EP0102900A3 (de) 1982-09-06 1983-08-29 Versetzgerät für Längsträger zwischen Brückenpfeilern

Country Status (2)

Country Link
EP (1) EP0102900A3 (de)
FR (1) FR2532668B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719778C1 (en) * 1987-06-13 1988-12-22 Dyckerhoff & Widmann Ag Apparatus for transporting and laying beam-like supports made of steel, reinforced or prestressed concrete
US5511268A (en) * 1994-08-08 1996-04-30 The United States Of America As Represented By The Secretary Of Commerce Construction of large structures by robotic crane placement of modular bridge sections
CN1311134C (zh) * 2004-11-25 2007-04-18 中铁大桥局股份有限公司 下导梁式架桥机及其架梁方法
KR100719305B1 (ko) 2005-01-21 2007-05-18 박순근 교량의 프리스트레스 콘크리트 빔 시공방법
CN100415995C (zh) * 2005-07-21 2008-09-03 郑州市华中建筑机械有限公司 半跨式下导梁架桥机及其架梁方法
FR3001740A1 (fr) * 2013-02-06 2014-08-08 Demathieu & Bard Procede et dispositif de mise en place ou de remplacement d'un tablier de pont
CN109487704A (zh) * 2018-10-29 2019-03-19 中国建筑第六工程局有限公司 一种水平转体桥二次转体施工方法
WO2021148686A1 (es) * 2020-01-21 2021-07-29 Acciona Infraestructuras, S.A. Armazón corredizo para colocación de vigas en puentes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1425834A (fr) * 1964-04-14 1966-01-24 Appareil de lancement pour éléments préfabriqués
FR2213900A1 (de) * 1973-01-16 1974-08-09 Zambon Antonio
US4282978A (en) * 1980-01-28 1981-08-11 Antonio Zambon Bridge crane for the emplacement of elongate prefabricated members of structures spanning a multiplicity of spaced-apart supports

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1425834A (fr) * 1964-04-14 1966-01-24 Appareil de lancement pour éléments préfabriqués
FR2213900A1 (de) * 1973-01-16 1974-08-09 Zambon Antonio
US4282978A (en) * 1980-01-28 1981-08-11 Antonio Zambon Bridge crane for the emplacement of elongate prefabricated members of structures spanning a multiplicity of spaced-apart supports

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719778C1 (en) * 1987-06-13 1988-12-22 Dyckerhoff & Widmann Ag Apparatus for transporting and laying beam-like supports made of steel, reinforced or prestressed concrete
US5511268A (en) * 1994-08-08 1996-04-30 The United States Of America As Represented By The Secretary Of Commerce Construction of large structures by robotic crane placement of modular bridge sections
CN1311134C (zh) * 2004-11-25 2007-04-18 中铁大桥局股份有限公司 下导梁式架桥机及其架梁方法
KR100719305B1 (ko) 2005-01-21 2007-05-18 박순근 교량의 프리스트레스 콘크리트 빔 시공방법
CN100415995C (zh) * 2005-07-21 2008-09-03 郑州市华中建筑机械有限公司 半跨式下导梁架桥机及其架梁方法
FR3001740A1 (fr) * 2013-02-06 2014-08-08 Demathieu & Bard Procede et dispositif de mise en place ou de remplacement d'un tablier de pont
CN109487704A (zh) * 2018-10-29 2019-03-19 中国建筑第六工程局有限公司 一种水平转体桥二次转体施工方法
WO2021148686A1 (es) * 2020-01-21 2021-07-29 Acciona Infraestructuras, S.A. Armazón corredizo para colocación de vigas en puentes

Also Published As

Publication number Publication date
FR2532668A1 (fr) 1984-03-09
FR2532668B1 (fr) 1985-05-31
EP0102900A3 (de) 1985-05-15

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Effective date: 19860116

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Inventor name: MELKONIAN, MINAS