EP0362065A1 - Brückenverlegevorrichtung, bestehend aus mindestens zwei auf einem Chassis übereinandergelegten Brückenteilen - Google Patents

Brückenverlegevorrichtung, bestehend aus mindestens zwei auf einem Chassis übereinandergelegten Brückenteilen Download PDF

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Publication number
EP0362065A1
EP0362065A1 EP89402662A EP89402662A EP0362065A1 EP 0362065 A1 EP0362065 A1 EP 0362065A1 EP 89402662 A EP89402662 A EP 89402662A EP 89402662 A EP89402662 A EP 89402662A EP 0362065 A1 EP0362065 A1 EP 0362065A1
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EP
European Patent Office
Prior art keywords
spans
bridge
span
chassis
laying machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89402662A
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English (en)
French (fr)
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EP0362065B1 (de
Inventor
Gérard Goffre
J. Paul Guilloux
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.)
Giat Industries SA
Original Assignee
Direction General pour lArmement DGA
Giat Industries SA
Etat Francais
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Application filed by Direction General pour lArmement DGA, Giat Industries SA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of EP0362065A1 publication Critical patent/EP0362065A1/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof

Definitions

  • the invention relates to a bridge-laying machine of the type comprising at least two spans superimposed on a chassis and capable of forming a bridge of a span once assembled end to end, as well as members adapted to assemble these spans end to end and place the bridge at the front of the vehicle.
  • Another type of machine is suitable for launching "scissor" bridges, the range of which is around twenty meters.
  • the spans are transported in two sections folded one on the other around a central articulation, and are deployed by describing a rotation.
  • This mode of implementation has a major drawback in that during the rotation, the spans reach a significant height. Indeed, the bridge can only be deployed in open ground because of the necessary headroom. In addition, this rotation increases the risks of vulnerability.
  • a first technique in particular described in French patents No. 2,477,599, 2,577,953 and 2,577,863, consists in using an extensible manipulator arm coming to bear by its free end on the bank to be reached. This technique therefore makes it possible to solve the problems of equilibrium of the machine during the removal phase. However, it has the major disadvantage of requiring a arms the same length as the bridge, therefore heavy and bulky, which goes against the objectives of mobility and ergonomics generally sought.
  • the present invention aims to overcome the various drawbacks of the above-mentioned bridge-laying machines and has the primary objective of providing a bridge-laying machine suitable for depositing a bridge comprising a jib.
  • Another object of the invention is to provide a bridge-laying machine carrying spans whose weight is minimized so as to increase the maximum length that can be covered.
  • the invention relates to a bridge-laying machine of the type comprising: - a chassis, at least two spans superimposed on the chassis and provided with junction faces capable of coming to cooperate with a view to the end-to-end assembly of said spans, means of relative displacement of the cross-sections adapted to bring them end to end, with their junction faces facing each other, - means for assembling the junction faces of the spans, means for guiding and driving the spans adapted to cause the latter to slide so as to position them in cantilever at the front of the machine, - And means for tilting the works adapted to allow the removal of the latter.
  • this bridge-laying machine is characterized in that: the junction faces of the spans have inclined so as to define a dihedral open downwards when said spans are positioned end to end, -
  • the means for guiding and driving the spans comprise pivoting means adapted to pivot said spans one with respect to the other so as to join the inclined junction faces and to obtain a bridge provided with a counter -arrow, -
  • the assembly means are adapted to lock the junction faces joined to the spans, in the position of the latter forming the counter-jib.
  • junction faces of the spans and the presence of the pivoting means thus make it possible to assemble the spans with a predetermined orientation conferring a counter-jib on the bridge.
  • the assembly means comprise: - articulation means arranged in the upper position of the bridges and adapted to articulate said bridges before they are locked, when the junction faces are brought opposite, - Locking means arranged in the lower position of the spans and adapted to lock said spans after pivoting of the latter.
  • the spans are therefore articulated, in the upper part, one with respect to the other, when the junction faces are brought opposite and can then pivot around their axis of articulation until coming into the position where the junction faces are joined, then locked at the bottom.
  • these articulation and locking means preferably comprise: - At least one horizontal axis fixed on the junction face of a span and, for each of these axes, a jaw secured on the junction face of the other span in the conjugated position of said axis, so as to come to close on this last, - Means for locking each jaw in its closed position.
  • This preferred embodiment makes it possible to automatically obtain the articulation in the upper part of the spans when the junction faces come into contact with one another, then the locking in the lower part after pivoting of the spans.
  • the chassis comprises a manipulator arm arranged so as to support the lower span in the superimposed position of the span, said arm being provided with means for guiding and driving said span, - the pivoting means are made up an inclined ramp for guiding the spans arranged towards one end, called the front end, of the manipulator arm.
  • This arrangement makes it possible to automatically rotate the lower span when the latter advances along the manipulator arm. Indeed, during this advance, the lower span is subjected to a rotation around the axis of articulation, when it reaches the inclined ramp of the manipulator arm. During this rotation the lower axes also close the locking jaws being in the conjugate position.
  • this bridge-laying machine is preferably intended to carry bridges with a lattice structure because of the low mass of the latter.
  • the means for driving the spans comprise a drive chain secured to the manipulator arm, arranged to mesh fingers arranged at regular intervals on the spans, -
  • the means for guiding the spans comprise rollers integral with said spans and arranged towards nodes of the trellis structure, and the rolling surfaces of said rollers formed on the manipulator arm.
  • the bridge-laying machine shown in the figures comprises a road chassis 1 on wheels 2 carrying a bridge broken down into two superimposed spans, lower 3 and upper 4, with a lattice structure.
  • Each of these spans comprises two parallel raceways 3a, 3b, 4a, 4b connected by spacers 5.
  • a cabin 6 separated into two lateral compartments 6a, 6b secured to a central frame 7 articulated on the chassis 1 so as to be able to tilt forward.
  • This tilting is controlled by a jack 8 articulated, on the one hand, on the chassis 1 and, on the other hand, on said frame 7.
  • This manipulator arm 9 carrying the spans and arranged so as to be positioned between the raceways 3a, 3b 4a, 4b of these spans 3, 4.
  • This manipulator arm 9, of section of generally parallelepiped shape rectangle, has an upper face comprising two lateral recesses defining two upper planar rolling surfaces 10. It is also provided with two longitudinal members 11 arranged longitudinally, each on one of its lateral faces, and comprising sub-faces horizontal support defining two other lower flat rolling surfaces.
  • the upper 4 and lower 3 spans are in turn provided with upper and lower rollers 12 distributed longitudinally along these spans and arranged opposite the nodes of the trellis structure so as to come into abutment respectively on the upper rolling surfaces 10 and lower 11 of the manipulator arm 9.
  • these device for longitudinal guide of the spans 3, 4 on the manipulator arm 9 makes it possible to obtain a significant gain in mass compared to the known devices for which the spans are provided with rails. guide inside which are housed rollers integral with the arm.
  • the front end of the manipulator arm 9 further comprises an inclined ramp 13 arranged to cooperate with an upper roller 12 of the lower span 3, in order to pivot this span and obtain a bridge provided with a counter-jib. , as we will see later.
  • the manipulator arm 9 also comprises two lower lateral slides 14 inside which are housed guide pads 15 integral with the frame 7 and adapted to ensure the longitudinal guidance of this arm 9 and prevent it from tipping over. when it is cantilevered at the front of the chassis 1.
  • Horizontal guide rollers 16 integral with the frame 7 are also housed in the slides 14 so as to ensure transverse guidance of the manipulator arm 9.
  • the displacement means associated with this manipulator arm and adapted to position it in cantilever at the front of the chassis 1, comprise a rack 17 integral with said arm and extending along the latter, and a drive pinion 18 associated driven by a geared motor 19, and against which the rack 17 is pressed by a support counter-roller 20.
  • the manipulator arm also incorporates means for driving the spans 3, 4 adapted to move them longitudinally along this arm.
  • These drive means comprise a horizontal endless chain 21 driven by a driving pinion 22, arranged to mesh punctually on fingers 23 arranged at regular intervals under the spacers 5 of the spans 3,4.
  • These fingers 23 associated two by two have the shape of a yoke in which are housed horizontal drive studs 24 projecting laterally on either side of the links of the drive chain 21. As shown in the figures 12, 13 and 14, these fingers 23 and these studs 24 are, moreover, adapted to dissociate when the inclination of the manipulator arm 9 relative to the spans 3, 4 is greater than a determined value.
  • a pivoting arm 25 articulated on said frame and provided with means for hooking the upper span 4. These hooking means are intended to hold the upper span 4 during transport and during displacements of this span intended to bring it into the extension of the lower span 3.
  • these attachment means comprise jaws 26 adapted to close on the lower roller 12 at the end of the upper span 4, when the latter comes into said jaw when sliding backward of this span along the manipulator arm 9.
  • a locking member also makes it possible to keep the jaw 26 in its closed position and to release its opening on command in order to allow the upper span 4 to slide forward.
  • This locking member consists of a lock 27 pushed by a spring 28 and of a shape adapted to be housed in an external recess 26a of the jaw 26. The withdrawal of this lock 27 is also controlled by a jack 29.
  • the pivoting arm 25 shown in FIG. 8 in the transport position and carrying these hooking means is adapted to make the upper span 4 slide longitudinally towards the rear and rotate it so as to bring it in line with the lower span 3, pivoting during which this upper span 4 is supported on a support 30 projecting from the chassis 1.
  • this pivoting arm 25 comprises a first jack 31 carrying the hooking means and arranged so as to raise the rear end of the upper span 4 (FIG. 9).
  • the body of this first cylinder is fixed on an intermediate arm 32 articulated on the chassis 1 so as to be able to pivot backwards under the action of a second cylinder 33 articulated on the chassis 1 and on this intermediate arm 32 (FIG. 10).
  • a third cylinder 34 articulated, on the one hand, on the end of the rod of the second cylinder 33 by means of a piece 35 fixed on the intermediate arm 32 and, on the other hand, on this intermediate arm 32, finally allows during its deployment to increase the rotational stroke of the upper span 4, so as to release it.
  • this third cylinder 34 is retracted, it then makes it possible to bring the upper span 4 back into a substantially horizontal position.
  • cross-sections 3, 4 carried by this machine comprise junction faces 3c, 4c inclined so as to define a dihedron open downwards when said cross-sections are positioned end to end.
  • junction faces 3c, 4c are, moreover, provided with centering, articulation and locking means making it possible, at first, to articulate the cross-sections 3, 4 in the upper part and, secondly, to lock them in part. low, after the pivoting of the lower span 3 due to its passage on the inclined guide ramp 13.
  • the centering means are distributed transversely over the length of the junction face 3c, 4c of the spans 3, 4 in the upper part thereof. As shown in Figure 16, they consist of a plurality of horizontal axes 36 secured on the junction faces 3c, 4c of the spans 3, 4 and for each of these axes 36, a yoke 37 secured on the junction face 4c, 3c of the other span 4, 3, in the conjugate position of said axis.
  • the articulation and locking means comprise several assemblies as shown in FIGS. 17 and 18, each comprising a horizontal axis 38 secured on the junction face 3c, 4c of a span 3, 4 and a jaw 39 secured on the face junction 4c, 3c of the other span 4, 3 in the conjugate position of said axis so as to come to close on the latter.
  • a locking member also makes it possible to maintain the jaw 39 in its closed position.
  • This blocking member consists of a bolt 40 pushed by a spring 41 and of a shape adapted to be housed in an external recess 39a of the jaw 39.
  • the manipulator arm 9 is, moreover, laterally provided with rolling surfaces having an inclined ramp 42, in the appropriate position, on which a roller 43 is connected to the lock 40 by a linkage 44 adapted to drive the backward movement of this lock 40 when this roller 43 rises on this ramp 42.
  • the spans 3, 4 comprise two articulation assemblies in the upper part, each arranged on a raceway 3a, 3b, 4a, 4b and each comprising their own unlocking roller 43.
  • Each raceway 3a, 3b, 4a, 4b comprises two twin assemblies arranged laterally on either side of this raceway and connected by a linkage 45 so as to be actuated by a single unlocking roller 43.
  • chassis 1 comprises, at the front, a retractable support pad 46 actuated by a jack 47 and intended to improve stability during the launching phase of the bridge.
  • the upper span 4 is raised using the first cylinder 31 of the pivoting arm 25 (FIG. 19b) and the manipulator arm 9 is caused to slide forward bringing the lower span 3 with it (FIG. 19b ), up to a front position, where it is partially cantilevered from cabin 6.
  • the lower span 3 is then itself caused to slide on the manipulator arm (FIG. 19d), then the upper span 4 brought to pivot via the pivoting arm 25 (FIGS. 19e, 19f, 19g) according to the process explained here. -front with reference to Figures 8 to 12, up to the extension of the lower span 3 ( Figure 19h).
  • the bridge-laying machine described above can be used to reconstitute and deposit a bridge comprising a greater number of spans.
  • the span located in the upper position will then be assimilated to the upper span (4) described in the example above, while the span located immediately below will be assimilated to the lower span ( 3) of this example.
  • this bridge-laying machine also makes it possible to deposit and successively take up one or two spans on the ground.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
EP19890402662 1988-09-30 1989-09-28 Brückenverlegevorrichtung, bestehend aus mindestens zwei auf einem Chassis übereinandergelegten Brückenteilen Expired - Lifetime EP0362065B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8812785 1988-09-30
FR8812785A FR2637301B1 (fr) 1988-09-30 1988-09-30 Engin poseur de ponts du type comportant au moins deux travures superposees sur un chassis

Publications (2)

Publication Number Publication Date
EP0362065A1 true EP0362065A1 (de) 1990-04-04
EP0362065B1 EP0362065B1 (de) 1992-05-06

Family

ID=9370554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890402662 Expired - Lifetime EP0362065B1 (de) 1988-09-30 1989-09-28 Brückenverlegevorrichtung, bestehend aus mindestens zwei auf einem Chassis übereinandergelegten Brückenteilen

Country Status (3)

Country Link
EP (1) EP0362065B1 (de)
DE (1) DE68901440D1 (de)
FR (1) FR2637301B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475853A1 (de) * 1990-09-14 1992-03-18 Constructions Industrielles De La Mediterranee- Cnim Transportsystem für einen Brückenteil zur Überwindung von Gräben und System zum Ablegen eines Brückenteils von einem Fahrzeug
FR2680379A1 (fr) * 1991-08-16 1993-02-19 Gutehoffnungshuette Man Appareil de pose de pont pour un pont support de voie, charge sur un vehicule avec un dispositif de pose.
FR2683837A1 (fr) * 1991-11-15 1993-05-21 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transport et de depose de la structure.
EP0731218A1 (de) * 1995-03-08 1996-09-11 Giat Industries Vorrichtung zum Festhalten einer Brücke auf einem Transportfahrzeug

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2834524B1 (fr) 2002-01-07 2004-10-22 Giat Ind Sa Systeme de pose d'un pont
AU2003216957A1 (en) 2003-01-22 2004-09-09 Giat Industries System for bridge-laying

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553517A (de) * 1967-02-15 1969-01-10
DE2017489A1 (de) * 1970-04-11 1971-10-28 Klöckner-Humboldt-Deutz AG, 5000Köln Brückenhälften, die übereinander auf einem Transportfahrzeug gelagert miteinander verbunden werden
FR2570103A1 (fr) * 1984-09-10 1986-03-14 Porsche Ag Unite de pont

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1553517A (de) * 1967-02-15 1969-01-10
DE2017489A1 (de) * 1970-04-11 1971-10-28 Klöckner-Humboldt-Deutz AG, 5000Köln Brückenhälften, die übereinander auf einem Transportfahrzeug gelagert miteinander verbunden werden
FR2570103A1 (fr) * 1984-09-10 1986-03-14 Porsche Ag Unite de pont

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475853A1 (de) * 1990-09-14 1992-03-18 Constructions Industrielles De La Mediterranee- Cnim Transportsystem für einen Brückenteil zur Überwindung von Gräben und System zum Ablegen eines Brückenteils von einem Fahrzeug
FR2666772A1 (fr) * 1990-09-14 1992-03-20 Mediterranee Const Ind Systeme de transport d'au moins une travure de pontage destinee au franchissement d'une breche et de depose de la travure au-dessus de la breche a partir d'un vehicule.
FR2680379A1 (fr) * 1991-08-16 1993-02-19 Gutehoffnungshuette Man Appareil de pose de pont pour un pont support de voie, charge sur un vehicule avec un dispositif de pose.
ES2059256A2 (es) * 1991-08-16 1994-11-01 Gutehoffnungshuette Man Equipo para el tendido de puentes para un puente con vigas de via.
FR2683837A1 (fr) * 1991-11-15 1993-05-21 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transport et de depose de la structure.
EP0543711A1 (de) * 1991-11-15 1993-05-26 Constructions Industrielles De La Mediterranee- Cnim Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge
US5363527A (en) * 1991-11-15 1994-11-15 Constructions Industrielles De La Mediterranee Cnim Spanning beam structure for clearing breaches by vehicles
EP0685599A1 (de) * 1991-11-15 1995-12-06 Constructions Industrielles De La Mediterranee- Cnim System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Graben durch das Fahrzeug
EP0731218A1 (de) * 1995-03-08 1996-09-11 Giat Industries Vorrichtung zum Festhalten einer Brücke auf einem Transportfahrzeug
FR2731448A1 (fr) * 1995-03-08 1996-09-13 Giat Ind Sa Disposition de maintien d'un pont sur un vehicule de transport

Also Published As

Publication number Publication date
FR2637301B1 (fr) 1990-11-16
EP0362065B1 (de) 1992-05-06
FR2637301A1 (fr) 1990-04-06
DE68901440D1 (de) 1992-06-11

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