EP0640723B1 - Pont déplaçable - Google Patents

Pont déplaçable Download PDF

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Publication number
EP0640723B1
EP0640723B1 EP19940111750 EP94111750A EP0640723B1 EP 0640723 B1 EP0640723 B1 EP 0640723B1 EP 19940111750 EP19940111750 EP 19940111750 EP 94111750 A EP94111750 A EP 94111750A EP 0640723 B1 EP0640723 B1 EP 0640723B1
Authority
EP
European Patent Office
Prior art keywords
bridge
support
bridge according
coupling
section
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.)
Expired - Lifetime
Application number
EP19940111750
Other languages
German (de)
English (en)
Other versions
EP0640723A1 (fr
Inventor
Hans Norbert Dr.-Ing. Wiedeck
Wolfgang Diefendahl
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.)
MT Aerospace AG
Original Assignee
Krupp Foerdertechnik 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
Priority claimed from EP93113929A external-priority patent/EP0640722A1/fr
Application filed by Krupp Foerdertechnik GmbH filed Critical Krupp Foerdertechnik GmbH
Priority to EP19940111750 priority Critical patent/EP0640723B1/fr
Publication of EP0640723A1 publication Critical patent/EP0640723A1/fr
Application granted granted Critical
Publication of EP0640723B1 publication Critical patent/EP0640723B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges

Definitions

  • a generic bridge is known from EP-A1-0 374 019, the bridge section in height on both sides falls off and has a transverse axis in the middle which is hinged a foldable road section.
  • the supports on the bridge body articulated and up against the foldable road section swiveling.
  • a disadvantage of this Construction isn't just that the supports are different are trained. You are in the ascending position of the Bridge section with its free ends to the middle of the Bridge section aligned and can thus yourself not be used as a ramp part. They also have to Support the known device on its entire Swivel path are guided or raised to the swiveling Road sections up to their uppermost position move. The large travel distances required for this again complex lifting devices.
  • EP-A1-0 374 019 also discloses an armored personnel carrier for laying a bridge, existing, as required from one or two bridge sections.
  • the armored personnel carrier has one on each side at its front end rigidly connected to the tank, arranged vertically Hydraulic cylinder and at its rear end on each Side on an obliquely arranged hydraulic cylinder.
  • the piston rod of the front cylinder is designed to be telescopic, with the inner rod at its free end carries a fork that attaches the ramp wedge to one on it Capture the peg and support the foldable Part of the roadway can pivot upwards, and the outer tubular rod at its free end a plate or Flange to support one end of the concerned Has bridge section.
  • the disadvantage here is that the bridge section on the installation armor in the longitudinal direction must be positioned exactly so that the fork on the inner piston rod grip the pin on the ramp wedge can and that during the detection of the coupling necessary horizontal movement of two bridge sections cannot be done.
  • the present invention is based on the object Bridge sections of a bridge of the type mentioned so improve that the supports for the foldable road sections and the associated foldable lane sections when laying a bridge with little effort brought into their intended position quickly and safely can be.
  • the transverse axis is the Support, especially in the opening position, behind the free end of the road section, i.e. from the free end towards the middle of the bridge section offset, arranged. With this arrangement there is always a given "positive" effective lever arm around the transverse axis, when the swiveling road section through the support should be lifted with.
  • the support on its facing the road section Side has a guide profile, in the simplest case consist of strips running in the longitudinal direction of the bridge can.
  • the guide profile is preferably a guide groove and the guide element as engaging in the groove Stud formed.
  • the guide element is also designed as a guide roller be.
  • the support In order to be able to use the support universally, it is preferably designed as a ramp wedge, the Guide profile above the driving surface or top of the Ramp wedge is arranged.
  • the guide profile For a convenient take-along of the foldable road sections through the support the guide profile - in seen flat state of the support and from its free End viewed in the direction of the transverse axis - one in Medium increasing course, it is advantageous if the guide profile is initially a short, steep course and then a course with a lower gradient having. It is also advantageous if the guide profile a section at its end facing the transverse axis has a flat course.
  • the base body has and is a lower chord area for this with an actuatable via a clutch mechanism Provide locking device.
  • the locking device is preferably a pin coupling educated.
  • the clutch mechanism can be operated from the outside.
  • the support via a mechanical Connection with the clutch mechanism for the To connect locking device such that the Support in the unlocked state of the locking device is pivoted upwards.
  • the subject matter of the invention has at least a part of the supports at least a coupling element that is at least one-sided vertical coupling of the supports allows if this touch each other with their free ends or edges.
  • one-sided vertical coupling be that when lifting or swiveling one Support the other, opposite support is raised. This reduces the effort for Raise the supports in relation to the corresponding ones Device or devices on a laying vehicle.
  • such a one-sided vertical coupling by a driver finger on one Support to be realized under the other support takes hold.
  • the coupling element one of the supports, especially as a bolt trained driver element and the coupling element the other support one in particular as a guide groove trained recess.
  • the coupling elements are preferably on the side relevant supports arranged, it being sufficient if they only on one side, preferably the inside of the Support, i.e. for bridges with lane elements on the vertical longitudinal median plane of the bridge section facing side are present.
  • the ends of the bridge should be as far from the bank as possible.
  • the invention provided the supports in their Opposite as ramp wedges in their flat position to make the bridge base body lockable. This can be done in a special embodiment be brought about that the supports lateral holes have the - in the flat position of the supports - in the range of motion the bolt of the locking device Lower straps lie.
  • a lifting device preferably for every second support provided in the form of a hydraulic cylinder.
  • the supports have coupling elements which keeping them at the same height, it is sufficient if only each second support from its flat starting position from the Lifting equipment is raised because the opposite one Support with the coupling elements is raised.
  • the axis of the hydraulic cylinder to be arranged accordingly inclined and the supporting Part of the lifting device, e.g. B. the stamp of a Hydraulic cylinder to form convex.
  • a short bridge Bridge section A has a base body 1 with lower chord 2 and aligned vertically on this Wall elements 3.
  • the wall elements 3 point in the middle of the bridge section runs parallel to the subsurface 2 and one wedge towards the ends or ramp tapered contour.
  • On the to the Lower flange 2 parallel edge 4 of the wall elements 3 is a solid road section 5.
  • In the transition between the parallel part and the wedge-shaped part of the Wall elements 3 are each a horizontal transverse axis 6, 6 'is provided around which a foldable roadway section 7 or 7 'is pivotable.
  • the bridge sections A, A1, A2 have two lateral lane elements 10 which in a known manner - seen in plan view - through alternately as tabs 11 and through two cheeks each 12 given receptacles 13 formed for the tabs 11 are (Figs. 5 and 9). Both the tabs 11 and the Cheeks 12 are provided with holes 14 and 15, respectively Penetration of bolts 16 are provided, which are a coupling or locking the lower chords 2 of two bridge sections A (A1, A2) in forming one from at least enable two bridge sections existing bridge (see Fig. 2).
  • the bolts 22 can also be used with a (not separately shown) be provided leadership role, which in turn engages in the guide groove 21.
  • the guide groove 21 has one to the driving surface of the ramp wedges 18 essentially parallel shape. Looking at a ramp wedge 18 in its flat position according to FIG. 3, the guide groove has at the beginning of the wedge a short, steep section 21.1, followed by a long one Section with a lower gradient and - in the area above the coupling point 9 - a short, flat section 21.3 on.
  • the ramp wedge 18 If the ramp wedge 18 is pivoted up, it moves the Pin 22 and thus the road section 7 and 7 'with up. So that the road section 7 or 7 'through the ramp wedge 18 with the best possible efficiency can be raised, the road section 7 or 7 'measured in length so that its free end in the lower "opening position" - from the middle of the Bridge section seen - protrudes beyond the shaft 17.
  • the end of the guide groove given by section 21.1 21 represents a limit stop 21.11 which the steepest position of ramp wedge 18 when engaging Guide pin 22 sets.
  • the steepest position of the Ramp wedge 18 corresponds to the top one, essentially Position of the road section parallel to the lower flange 2 7 or 7 '(see FIG. 4). In this position points the end section 21.1 only an extremely slight slope on, so that the road section 7 even at large Can support the load well. With respect to one optimal dimensioning, it can be cheap Lane section 7 or 7 'in the top so-called "Coupling position" immediately (and not via the Support guide pin 22) on the ramp wedge 18.
  • a road section, e.g. 7 ', of a bridge section A1 is with a possibly two-part bolt 24 with oblique Sliding surface 25 equipped.
  • the assigned lane section 7 of the other bridge section A2 surrounds one a horizontal axis 26 pivotally mounted T-shaped Hook 27 on.
  • the hook 27 is by a tension spring 28th pressed against a stop 29 and elastic in it Main position suitable for coupling.
  • the T-shaped head part 30 of the hook 27 has one of the Concave inner surface 31 corresponding to the shape of the bolt 24 and one corresponding to the sliding surface 25 of the bolt 24 lower sliding surface 32.
  • the inner surface 31 has due to their concave formation - in the longitudinal direction of the Hook 27 or the road section 7 seen - one Depth g.
  • the bolts 16 for the coupling point 9 of the lower chords stand at the end part of the base body 1 by the Cheeks 12 of the lower flange is formed, in engagement with one Leadership backdrop 33.
  • the leadership backdrop is - of the Seen from the side - U-shaped, the plane of symmetry the U-shape in the longitudinal direction of the lower chords 2 runs and the clear width between the upper and the lower leg of the backdrop 33 essentially the Diameter of the bolt 16 corresponds.
  • Both legs point - seen in the top view - corresponding V-shaped control grooves 34, in the top and engage pins 35 arranged at the bottom of the bolt 16.
  • the guide link 33 is by a on the lower chord 2nd of the base body 1 supporting compression spring 36 at the end the base body or its lower flange 2 pressed in which position (see FIG. 9) with the pin 35 in Points of engagement of the control groove 34 a wide Distance from each other. They are in this position Bolt 16, controlled by the pin 35, in its outer, position suitable for coupling.
  • the backdrop 33 can counter the force of the spring 36 by a tension element 37 in Direction towards the middle of the lower chord 2 or the bridge body 1 can be drawn. In this position the backdrop 33 have those in engagement with the pin 35 Points of the control grooves 34 a small distance from each other. In this position of the backdrop 33 are the Bolt 16 accordingly in its innermost, non-coupling Position.
  • the tension member 37 is at a point on the circumference Driving or clutch disc 38 in the form of a circular sector attached.
  • the clutch disc 38 is on one Coupling shaft 39 attached from the outside by a only with the part 40 indicated laying device Laying vehicle via a on the coupling shaft 39 attached crank 39 'is actuated.
  • Part 40 can e.g. a lifting and lowering coupling crossbar.
  • the Tension element 42 stands with the imaginary connecting line or plane of the waves 17 and 39 "crosswise", d. H. at a rotation of the clutch shaft 39 in the sense that the Move the bolt 16 into the non-coupling position, the ramp wedges 18 via the tension element 42, the drive plate 43 and the shaft 17 pivoted up at least so far that the tips of the ramp wedge 18th lie above the shaft 17, so that another erection the ramp wedges when moving the bridge elements together A1, A2 is possible.
  • the lower chord coupling is first (Bolt 16) loosened, then the two Roadway sections 7, 7 'by moving the Bridge sections A1, A2 at least by dimension g so far approximated that the head part 30 of the hook 27 through Lift the base body 1 of the right bridge section A2 can be lifted over the bolt 25. After that you can the two bridge sections are moved apart.
  • the lower chord coupling is used first loosened with the bolts 16.
  • the bolts 16 By lifting that part of the bridge section remote from the hook 27 A2 become the adjacent bridge sections 7, 7 'moved together by dimension g.
  • the top flange coupling and the bridge sections are also released A1, A2 can be separated from each other.
  • the crank 39 ' By Lowering the crank 39 ', the bolts 16 are again in their locking position and the road sections 7, 7 ' and ramp wedges 18 controlled by the "roadway or Coupling position "in the" ramp or opening position " transferred.
  • the hook 27 of the upper belt coupling for decoupling also individually e.g. by a at 44 on the associated lane section 7 supported Bowden cable 45 are operated, whereby Avoid lifting the entire bridge section becomes.
  • the Bowden cable can preferably with its other end supported on the lower flange area 2 of the bridge section his and its inner element in the for the tension element 37 described manner from the clutch shaft 39 be operated.
  • the Ramp wedges 18a of the bridge sections each on one Page - e.g. B. the inside - next to the guide profile 20 a two tabs 46 having holder 47 with a Bolt 48 on, the axis of which approximately in the to the edge 49th the tip of the ramp wedge 18a Level lies, but at least parallel to this runs.
  • the ramp wedges 18b have the same side a holder 50 with a parallel to the bottom of the ramp wedges 18a and 18b and parallel to the relative movement of the two bridge sections extending opening 51 in shape a guide groove.
  • the end 52 is the holder 50 under the opening 51 shorter than the end 53 over the Opening.
  • the ramp wedge When supported by the punch 55, the ramp wedge takes 18a different inclinations. This is the case with Arrangement of the stamp 55 takes into account that its axis or direction of movement 56 against the perpendicular has an angle that is approximately half the angle of Base area of the ramp wedge 18a against the horizontal on End of stroke of the punch 55 corresponds. Besides, is the support surface of the stamp 55 is convex to a Edge pressure at the different positions of the Avoid ramp wedge 18a.

Claims (27)

  1. Pont déplaçable constitué d'au moins une section de pont (A; A1, A2), qui présente les pièces suivantes:
    un corps de base (1), dont la hauteur diminue au moins à une extrémité,
    au moins une section de voie de circulation (7, 7'), qui peut pivoter autour d'un axe transversal (6, 6') horizontal disposé à une certaine distance de l'extrémité du corps de base (1), et cela entre la position permettant l'accès des véhicules, en reposant sur l'extrémité correspondante du corps de base, et une position d'accouplement, relevée par rapport à elle,
    et un appui (18; 18a, 18b) s'articulant sur le corps de base (1) autour d'un autre axe transversal (17),
       caractérisé en ce que,
       lorsque l'extrémité concernée de la section de pont est en position permettant l'accès des véhicules,
    l'appui (18; 18a, 18b) est disposé à plat vers l'extérieur, c'est-à-dire en s'éloignant du milieu de la section de pont,
    la section rabattable (7, 7') de la voie de circulation est disposée s'appuyant, avec son extrémité libre, sur l'appui (18; 18a, 18b),
    et l'appui (18; 18a, 18b), avec son extrémité libre - en regardant depuis le milieu de la section de pont -, est disposé en dépassant au-delà de l'extrémité libre de la section (7, 7') de voie de circulation.
  2. Pont suivant la revendication 1, caractérisé en ce que l'axe transversal (17) de l'appui (18; 18a, 18b) est disposé derrière l'extrémité libre de la section (7, 7') de voie de circulation, c'est-à-dire décalé, depuis l'extrémité libre, en direction du milieu de la section de pont.
  3. Pont suivant la revendication 1 ou la revendication 2, caractérisé en ce que l'appui (18; 18a, 18b), sur son côté supérieur tourné vers la section (7, 7') de voie de circulation, présente un profilé de guidage (20).
  4. Pont suivant la revendication 3, caractérisé en ce que la section (7, 7') de voie de circulation s'appuie, par l'intermédiaire d'un élément de guidage (22), sur le profilé de guidage (20).
  5. Pont suivant la revendication 3 ou la revendication 4, caractérisé en ce que le profilé de guidage (20) présente, à l'extrémité libre de l'appui (18; 18a, 18b), une butée d'extrémité (21.11).
  6. Pont suivant l'une des revendication 3 à 5, caractérisé en ce que le profilé de guidage (20) est réalisé sous la forme d'une rainure de guidage (21).
  7. Pont suivant la revendication 4 et la revendication 6, caractérisé en ce que l'élément de guidage (22) est réalisé sous la forme d'un tourillon s'engageant dans la rainure de guidage (21).
  8. Pont suivant la revendication 4, caractérisé en ce que l'élément de guidage (22) est réalisé sous la forme d'un galet de guidage.
  9. Pont suivant l'une des revendication précédentes, caractérisé en ce que l'appui est réalisé sous la forme d'un coin formant rampe (18).
  10. Pont suivant la revendication 3 et la revendication 9, caractérisé en ce que le profilé de guidage (20; 21) est disposé au-dessus de la surface de circulation du coin de rampe (18).
  11. Pont suivant la revendication 3 et l'une des revendications précédentes, caractérisé en ce que le profilé de guidage (20; 21) - en regardant avec l'appui (18) en position à plat et depuis son extrémité libre, dans la direction de l'axe transversal (17) de l'appui - présente un tracé montant en moyenne.
  12. Pont suivant la revendication 11, caractérisé en ce que le profilé de guidage (20; 21) présente d'abord un court tracé à forte pente (21.1), puis un tracé à inclinaison plus faible (21.2).
  13. Pont suivant la revendication 11 ou la revendication 12, caractérisé en ce que le profilé de guidage (20; 21) présente, à son extrémité tournée vers l'axe transversal (17), une partie (21.3) comportant un tracé à plat.
  14. Pont suivant l'une des revendications précédentes, caractérisé en ce que le corps de base (1) présente une zone de membrure inférieure (2) et est équipé, pour celle-ci, d'un dispositif de verrouillage (16) actionnable par un mécanisme d'accouplement (33 à 39).
  15. Pont suivant la revendication 14, caractérisé en ce que le dispositif de verrouillage est réalisé sous la forme d'un accouplement à tourillon (16).
  16. Pont suivant la revendication 14, caractérisé en ce que le mécanisme d'accouplement (33 à 39) peut être actionné depuis l'extérieur par un organe d'actionnement (39').
  17. Pont suivant la revendication 14 et l'une des revendications précédentes, caractérisé en ce que l'appui (18) est relié, par une liaison mécanique (39, 41 à 43), au mécanisme d'accouplement (33 à 39) pour le dispositif de verrouillage (16) de telle façon qu'en position déverrouillée du dispositif de verrouillage (16), l'appui (18) soit basculé vers le haut.
  18. Pont suivant l'une des revendications 1 à 16, caractérisé en ce qu'au moins une partie des appuis (respectivement 18a et 18b) présente au moins un élément d'accouplement (47/48 et 50/51) qui permet, dans la direction verticale, un accouplement des appuis, au moins d'un côté, lorsque les appuis se touchent l'un l'autre avec leurs arêtes (49) libres.
  19. Pont suivant la revendication 18, caractérisé en ce que l'élément d'accouplement (47/48 et 50/51) est disposé latéralement sur l'appui (respectivement 18a et 18b).
  20. Pont suivant la revendication 18 ou la revendication 19, caractérisé en ce qu'un appui (18a) présente un élément d'accouplement (47/48 ) comportant un élément d'entraíneur (48) et l'autre appui (18b) présente un élément d'accouplement (50/51) comportant un évidement en forme de rainure (51) pour recevoir l'élément entraíneur (48) du premier appui (18a).
  21. Pont suivant l'une des revendications précédentes, caractérisé en ce que les sections (7, 7') de voie de circulation rabattables présentent un crochet d'accouplement (27, 24).
  22. Pont suivant l'une des revendications 9 à 21, caractérisé en ce que les appuis (18) peuvent, dans leur position à plat, être verrouillés par rapport au corps de base (1) du pont.
  23. Pont suivant la revendication 14 et la revendication 22, caractérisé en ce que les appuis (18) présentent des alésages latéraux (19) qui, lorsque l'appui (18) est en position à plat, se trouvent dans la zone de mouvement des tourillons (16) du dispositif de verrouillage.
  24. Système, composé de deux sections de pont (A1, A2) d'un pont suivant la revendication 14 et au moins l'une des revendications 1 à 23, et d'un véhicule pour accoupler ensemble deux sections de pont (A1, A2) en vue de former un seul pont et, le cas échéant, en vue de déposer le pont, caractérisé en ce que le véhicule présente une traverse d'accouplement (40) pour actionner le mécanisme d'accouplement (33 - 39) du dispositif de verrouillage (16).
  25. Système suivant la revendication 24, caractérisé en ce que le véhicule présente, en plus, au moins un dispositif de levage (55) pour soulever chaque fois un appui (18a).
  26. Système suivant la revendication 25, caractérisé en ce que le dispositif de levage (55) est réalisé sous la forme d'un vérin hydraulique comportant un poinçon.
  27. Système suivant la revendication 26, caractérisé en ce que l'axe (56) du dispositif de levage (55) a une direction inclinée.
EP19940111750 1993-08-31 1994-07-28 Pont déplaçable Expired - Lifetime EP0640723B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19940111750 EP0640723B1 (fr) 1993-08-31 1994-07-28 Pont déplaçable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP93113929A EP0640722A1 (fr) 1993-08-31 1993-08-31 Pont déplaçable
EP93113929 1993-08-31
EP19940111750 EP0640723B1 (fr) 1993-08-31 1994-07-28 Pont déplaçable

Publications (2)

Publication Number Publication Date
EP0640723A1 EP0640723A1 (fr) 1995-03-01
EP0640723B1 true EP0640723B1 (fr) 1998-09-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940111750 Expired - Lifetime EP0640723B1 (fr) 1993-08-31 1994-07-28 Pont déplaçable

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640208B1 (fr) * 1988-12-13 1991-03-29 Mediterranee Const Navale Indl Systeme de transport et de depose d'au moins une travure d'un vehicule tel qu'un engin blinde du genie
DE3911266A1 (de) * 1989-04-07 1990-10-11 Krupp Industrietech Verlegbare bruecke und system zum verlegen der bruecke
DE4009639C2 (de) * 1990-03-26 1994-04-28 Dornier Gmbh Verlegeeinrichtung

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