EP0407274B1 - Brückensystem zur Überwindung von Gräben durch Fahrzeuge - Google Patents

Brückensystem zur Überwindung von Gräben durch Fahrzeuge Download PDF

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Publication number
EP0407274B1
EP0407274B1 EP90401873A EP90401873A EP0407274B1 EP 0407274 B1 EP0407274 B1 EP 0407274B1 EP 90401873 A EP90401873 A EP 90401873A EP 90401873 A EP90401873 A EP 90401873A EP 0407274 B1 EP0407274 B1 EP 0407274B1
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EP
European Patent Office
Prior art keywords
jib
carrying structure
locking
spanning
aforesaid
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
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EP90401873A
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English (en)
French (fr)
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EP0407274A1 (de
Inventor
Henri Michel Maurice Aubert
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CNIM Groupe SA
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Constructions Industrielles de la Mediterrane CNIM SA
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Application filed by Constructions Industrielles de la Mediterrane CNIM SA filed Critical Constructions Industrielles de la Mediterrane CNIM SA
Priority to AT90401873T priority Critical patent/ATE87683T1/de
Publication of EP0407274A1 publication Critical patent/EP0407274A1/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
    • E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
    • 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
    • E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections

Definitions

  • the present invention relates to a bridging system intended in particular to allow military vehicles to cross breaches in particular.
  • the bridging systems used until now include a short span monolithic span for crossing a relatively small breach or a larger span monolithic span for crossing relatively large breaches.
  • Document DE-A-1 938 940 describes a bridging system comprising the characteristics defined in the preamble of claim 1.
  • this known system has the drawback of requiring two transport vehicles respectively of two identical spans to deposit them at- above a breach to cross.
  • the present invention aims to eliminate the above drawbacks by proposing a bridging system characterized in that the two spans are rigidly coupled end to end at their respective end faces each defined by a bent folded down on the supporting structure corresponding by two locking devices secured respectively to the two spans at their respective ends.
  • each locking device ensuring the end-to-end coupling of the two aforementioned spans is constituted by a said locking device intended to rigidly fix a spout to the aforementioned supporting structure.
  • the device for locking each spout to the supporting structure comprises at least one latch consisting of first and second male and female means respectively integral with the spout and the supporting structure and located substantially at the same distance from on either side of the horizontal plane containing the axis of articulation relative to the support structure so that the first means can be locked in the second means in the deployed position of the spout.
  • two spans are rigidly coupled end to end, at their respective front faces each defined by a bent folded down on the corresponding carrying structure, by two locking devices secured respectively to the two spans at their ends respective, each locking device being constituted by the aforementioned locking device with at least one lock, the first and second means of the lock of the locking device at the end of one of the two spans engaging respectively with the second and first means of the latch of the locking device at the end of the other span when the two spans are coupled.
  • the first and second means of the latch at one end of a span are secured respectively to a spout and the support structure and the first and second means of the latch at the opposite end of the span are respectively secured to the support structure and on the other beak.
  • the first means of a lock is a transverse locking axis and the second means of this lock is a locking hook, the axis and the locking hook projecting on the same side of the corresponding front face of a span.
  • each span comprises at one of its ends a positioning foot and at its opposite end a positioning opening, the positioning foot of one span engaging in the positioning opening of another span when of the coupling of the two spans for their mutual positioning, the assembly foot-opening of positioning taking up the shearing forces resulting from the passage of vehicles on the tracks of the two spans coupled.
  • each spout has a general pyramid shape with rectangular cross section, two opposite faces of which are intended to serve as rolling tracks respectively in the folded and deployed positions of the spout which is articulated around the articulation axis mentioned above by a transverse side of the rectangular base of the spout.
  • each spout comprises two side walls forming wheel guides in the folded position of the spout on the support structure and retractable in the deployed position of the spout.
  • Each side wall forming a wheel guide slides freely relatively parallel to the corresponding side face of the pyramid spout so as to occupy the retracted position when the spout is deployed and a fixed service position when the spout is folded down on the supporting structure.
  • each aforementioned side wall is supported by gravity on an underlying side wall plug secured to the support structure and forming wheel guide in the deployed position of the spout.
  • the reference 1 designates a span according to the invention intended for crossing a breach of relatively small width.
  • the span 1 comprises two identical resistant load-bearing structures 2 extending longitudinally and interconnected by several rigid transverse link arms 3, only one of which is shown, and secured to each load-bearing structure 2 for example by welding.
  • Each support structure 2 comprises a lower part 2a forming a sole to which are fixed uprights 2b supporting an upper part forming a running track consisting of a horizontal central part 2c and two end portions 2d secured respectively to the two ends of the central portion 2c by extending the latter downwardly.
  • each support structure 2 is produced from a mechanically welded metal frame, the central parts 2c and extremes 2d forming a rolling track being formed from two parallel plates with triangulation of reinforcement between them . In order not to overload the figures, only one extreme part 2d has been shown.
  • Two identical spouts 4 are mounted articulated respectively at the two ends of a support structure 2 around a transverse articulation axis 5 so that each spout 4 occupies either a folded or folded position on the corresponding end portion 2d of the supporting structure 2 as shown in FIG. 4, that is to say a deployed position as an extension of the supporting structure 2 to which the spout 4 is rigidly fixed by a locking device 6 as shown in FIG. 5.
  • Each beak 4 has a general pyramid shape with rectangular cross section, two opposite faces 4a and 4b of which are intended to serve as a rolling track respectively in the folded and deployed positions of the beak which is articulated around the axis of articulation 5 by a transverse side 4c of the rectangular base of the spout 4.
  • the face 4a of the spout 4 pr substantially extends horizontally the raceway of the central part 2c and, in the deployed position of the spout 4, the face 4b thereof extends the raceway of the end part 2d.
  • the transverse articulation axis 5 is in the form of an articulation hinge consisting of several spaced parts in the form of a yoke 7 with the two parallel branches 7a of each part 7 joined by fixing screws 8 at the end of the part extreme 2d of the structure 2.
  • a central part 7b disposed between two branches 7a of a part forming a yoke 7 is secured to the transverse side 4c of the spout 4 by fixing screws 9 and pivotally mounted between the two branches 7a around the articulation axis 5 formed by a transverse pivot axis 7c integral with the central part 7b and capable of rotating at its two free ends respectively in two slightly oblong bores 7d machined through the two branches 7a.
  • Support faces 10 are arranged on either side of the transverse axis 5 symmetrically thereto and above and below the yoke portions 7 in the folded position of the spout 4. These support faces 10 are machined on upper or lower parts or blocks 11 secured respectively to the ends of the end part 2d and of the transverse side 4c of the spout 4 by fixing screws 12 embedded in the blocks 11 perpendicular to the horizontal plane containing the transverse axis 5 and screwing under the branches 7a of the parts 7 for the lower blocks and on the central part 7b for the upper blocks 11; square parts 11a coming to bear, once the screws 12 have been tightened, on corresponding shoulders of the ends of the part 2d of the structure 2 and of the transverse side 4c of the spout 4.
  • the blocks 11 are moreover fixed to the ends of the part 2d and on the transverse side 4c by fixing screws 12a, screwing in corresponding tapped holes of these ends perpendicular to the plane of FIG. 2 or of FIG. 3, the holes for the passage of the screws 12a through the blocks 11 bearing the reference 12b.
  • the device for locking a spout deployed 4 to the support structure 2 comprises several locks 6 each consisting of first 6a and second 6b respectively male and female means integral with the spout 4 and the support structure 2 and located, when a spout occupies the folded position, at the same distance on either side of the horizontal plane containing the articulation axis 5 of the spout relative to the support structure 2.
  • the first means 6a of the latches 6 are constituted by transverse coaxial locking axes integral with one end of a support structure 2 and spouts 4 assembly, on the upper transverse side 4d of a spout 4 opposite the lower transverse side 4c of this spout considering the spout 4 in the folded position and, at the opposite end of this assembly, of the lower part forming the sole 2a of the support structure 2.
  • the transverse axes 6a are housed respectively in longitudinal openings in form e of U 13 defined in the transverse side 4d of the spout 4 so that the axes 6a protrude from the front face 4e of the spout 4 defining the rectangular base thereof or in the front face 2a1 of the part 2a.
  • the second means of the locks 6 are constituted by aligned locking hooks 6b secured to the end of a carrier structure 2 - spouts 4 assembly, of the lower part forming sole 2a of the structure 2 and, at the opposite end of this assembly, on the upper transverse side 4d of the associated spout 4.
  • Each hook 6b is pivotally mounted in a longitudinal U-shaped opening 14 forming a yoke around an axis transverse 14a between an unlocked position and a locked position. As shown, for four locking hooks 6b with four locking pins 6a, these hooks are operated two by two respectively by two lateral levers, only the two levers 15 associated with the lower hooks 6b at the end of a support structure assembly 2 and spout 4 being shown.
  • Each lever 15 has its end opposite to the operating handle integral with the pivot axis 14a passing through two recesses forming yokes 14 while being secured to the two hooks 6b and is also integral with an intermediate portion between the operating handle and the end connected to the axis 14a, by a connecting bar 16 simultaneously driving the two hooks 6b to their unlocking or locking position by operating the lever 15.
  • the connecting bar 16 crosses two tabs 17 secured respectively to two hooks 6b.
  • the yoke portions 14 of the lower hooks 6b project from the front face 2e connecting the end of the part 2d to the corresponding end where the face 2a1 of the lower part 2a of the structure 2 and a same side as the upper transverse axes 6a, the 2nd and 4th faces forming the front face of a span.
  • the upper hooks 6b at the opposite end of the assembly of the supporting structure 2 and the spouts 4 protrude from the front face 4e of the other spout 4 on the same side as the lower transverse axes 6a.
  • One of the locking hooks of a pair of hooks 6b actuated concomitantly by a lever 15 is mechanically connected to a holding device 18 of the pair of hooks 6b either in its locked position or in its unlocked position.
  • This holding device 18 comprises two end brackets 19 and 20 fixed in an articulated manner respectively to the fastening tab 17 of a hook 6b and to a fixing tab 21 secured either to the front face 2e for the lower hooks 6b, or of the front face 4e for the upper hooks 6b.
  • the two stirrups 19, 20 are assembled to each other by a screw 22 screwed into the rear wall connecting the legs of the stirrup 19 and whose head 22a is held in abutment at the bottom of a shaped part cup 23 by a pre-stressed compression spring 24 bearing between the rear face of the stirrup 19 and the external annular rim 23a of the cup 23 secured to the rear face of the stirrup 20.
  • a lever 15 is operated in the unlocking direction indicated by the arrow F1 in FIG. 6, the two hooks pivot together around the pivot axis 14a and cause the holding device 18 to pivot by its articulation stirrups in the direction indicated by the arrow F2 at a position where it keeps the two hooks in the unlocked position.
  • This holding device 18 also makes it possible to maintain a pair of hooks 6b in the locking position shown in FIG. 6.
  • the pins 6a and the locking hooks 6b are arranged symmetrically in the longitudinal median plane of a support structure assembly 2 - nozzles 4 containing the axis XX ′ represented in FIG. 2 or in FIG. 3.
  • the two load-bearing structures 2 of a span 1 are arranged symmetrically to a longitudinal median plane containing the axis YY ′ of FIG. 1, so that at the upper locking axes and lower locking hooks on the same side of one end of a support structure assembly 2 - folded out beaks 4 correspond respectively the upper locking hooks and lower locking pins on the same side of the end, opposite the previous end, of the other supporting structure assembly 2 - folded spouts 4.
  • Each support structure 2 - spouts 4 assembly comprises at one of its ends a positioning foot 24 in the shape of a pyramid and integral with the front face 2e of the structure 2 and, at its opposite end, a positioning opening 25 made at across the opposite front face 2e of structure 2.
  • Each positioning foot and each positioning opening 25 are dimensioned so that the two opposite positioning feet 24 respectively of two sets of supporting structures 2 - folded out beaks 4 of a span 1 respectively engage in two opposite positioning openings 25 respectively of two sets of supporting structures - folded spouts 4 of another span 1 during the end-to-end coupling of these two spans for their mutual positioning, the assembly thus produced foot 24 - opening 25 for positioning being intended to take up the forces shear resulting from the passage of heavy vehicles on the tracks of the two spans coupled end to end.
  • Each positioning foot 24 and each positioning opening 25 of an assembly are arranged symmetrically to the longitudinal median plane passing through the axis XX ′ and situated respectively between the articulation axis 5 and the locking hooks 6b and between the axis 5 and the locking axes 6a.
  • the front face of one of the folded spouts 4 of each support structure 2 - spouts 4 assembly and located above a positioning foot 24 comprises a opening 26 of dimensions greater than those of the positioning foot 24 so as to allow free passage through the front face 4e of the underlying positioning foot 24 when the spout 4 is deployed.
  • Each central part 2c forming the track of a span 1 comprises two side walls 2f and 2g delimiting the track and forming wheel guide wheels located on the same side of a vehicle traveling on the two parallel tracks of the span 1.
  • the walls forming wheel guide 2f and 2g are joined by welding to the upper part 2c of each support structure 2.
  • the upper part 2d forming the track of each structure 2 comprises two lateral walls delimiting the track and forming wheel guide 2h and 2i.
  • the walls 2h and 2i are joined to the upper part 2d also by welding.
  • Each spout 4 comprises two side walls 4f and 4g delimiting the track 4a of the spout 4 and being able to slide freely parallel to the side faces of the spout, so as to occupy a service position projecting above the track of the spout perpendicular to the latter when the spout is in the folded position, or a retracted or erased position when the spout 4 is deployed in contact with the ground, the two walls 4f and 4g disappearing until they come into the plane of laying the spout .
  • FIG. 12 shows the structure allowing the wall forming the wheel guide 4f to slide with respect to the lateral face of a spout 4 to occupy the service and retracted positions, the structure used for sliding the wall forming the wheel guide 4g being identical.
  • the side wall 4f shown in the service position, has several transverse oblong holes spaced 4h at the level of its crossed upper part respectively by guide pins 4i secured, for example by screwing, to the corresponding lateral face of the spout 4.
  • Each guide pin 4i has a head 4i1 of dimension greater than the width of the corresponding oblong hole 4h.
  • transverse parts spaced in the form of a horizontal U 4j are fixed, for example by welding, to the lateral face of the spout 4 a certain distance below the guide axes 4i.
  • a plate 4k projecting externally from the side wall 4f is fixed by welding to the lower end of the wall 4f along the latter and protrudes internally by forming studs respectively engaging in the U-shaped parts 4j.
  • the plate 4k acts as a stop limiting the downward movement of the side wall 4f by considering FIG. 12 by bearing by gravity on the upper end of the side wall forming wheel guide 2h.
  • the guide pin 4i is located at the lower end of the corresponding oblong hole 4h.
  • each side wall forming wheel guide 4f, 4g of the spout comes to rest on the ground so as to slide by sliding in the direction indicated by arrow F4 in FIG. 12, thus retracting this wall.
  • Each spout 4 is held in the folded position by lateral locking means 26 ′, only one of which is shown in FIG. 13.
  • the locking means 26 ′ comprises a lever arm 27 pivotally mounted around a transverse central axis 28 integral with the transverse connecting portion between the two parts 2c and 2d forming a rolling track of a support structure 2.
  • the lever arm 28 ends at the upper level by a locking hook 29 in which a transverse locking axis 30 can engage integral with the vicinity of the free end 41 in the form of a hook of the spout 4.
  • This end 41 in the folded position of the spout 4, rests in a transverse recess of conjugate shape of the junction portion 2k.
  • the end of the lever 27, opposite the locking hook 29, is mechanically connected to a locking and unlocking mechanism (not shown) controlled manually or automatically.
  • a locking and unlocking mechanism may consist of a manual control linkage.
  • the two coaxial locking pins 30 are embedded in their two respective locking hooks 29.
  • the locking mechanism is actuated so as to pivot the arm 27 around its pivot axis 28 along arrow F5, thereby disengaging the two hooks 29 from the locking pins 30.
  • FIGS. 14A to 14E represent the handling of two spans and their end-to-end assembly in order to form a spans of great span to cover a breach of great width.
  • a transport truck T transports near at least one gap to cover B at least two identical overlapping spans 1, the spouts 4 of which are locked in the folded position.
  • a handling crane machine G takes two spans from the transport truck and places them on the ground so that they are approximately in alignment, with a positioning foot 24 of one end of a span 1 lying approximately opposite a positioning opening 25 at the end of the other span 1, the centering leg 24 is also approximately opposite the positioning opening 25 of the first span 1.
  • the handling crane G moves axially l 'one of the two span 1 towards the other span as indicated by the arrow F5 ′ until the two positioning feet 24 engage respectively in the two positioning openings 25 with then locking of the two adjacent ends of the two spans by engagement of the axes of upper and lower locking 6a of a span 1 respectively in the lower and upper locking hooks 6b of the other span and engagement of the lower and upper locking pins 6a of the other span respectively in the lower and upper locking hooks 6b of the first span.
  • the lower and upper hooks of a span before engagement of the positioning feet in their respective positioning openings 25 have been unlocked by operating the corresponding lateral levers 15 which are then operated in the direction of locking the hooks 6b once the positioning feet engaged respectively in the positioning openings 25.
  • the adjacent folded spouts provide very good mechanical resistance, in particular at the junction for assembling the two spans. It should also be noted that to be certain of benefiting from the increase in height and consequently of inertia provided by the folded position of the spouts, the latter are not in contact with each other or at the level of the hinge parts 7 offset relative to each other at the joining junction of the two spans, nor at the level of the bearing faces 10 also offset.
  • the axes 6a and the hooks 6b for locking the locks 6 and the feet 24 and openings 25 for positioning are placed so that there is no preferred order for the assembly of two spans.
  • the two pairs of end folded nozzles respectively of the two coupled spans 1 are then unlocked of their support structure 2 by maneuvering the arms 27 corresponding to the locking hooks 29 in the unlocking direction.
  • the handling crane G is then used to pivot the two pairs of end jaws 4 around their articulation axes 5 so that the locking axes 6a of a nose 4 of an end pair and the lower locking axes 6a of the supporting structure associated with the other access spout 4 of this same extreme pair respectively engage in the lower locking hooks of the carrying structure 2 of the first spout 4 of the pair and the locking hooks 6b of the spout 4 associated with the second support structure 2.
  • the engagement of these locking pins 6a is of course effected by folding the locking hooks 6b from their unlocking position to their locking position.
  • the two pairs of end nozzles 4 thus extend respectively the two parallel running tracks formed by the parts 2d of the two associated supporting structures 2.
  • the side walls forming wheel guides 4f and 4g are in the retracted position.
  • the handling crane machine G finally deposits the two coupled spans 1 above the gap B so that the two pairs of end nozzles 4 are in contact respectively on the two opposite edges of the gap B.
  • FIGS. 15A and 15B represent a span 1 deposited above a breach B of relatively small width.
  • This span has the spouts 4 of two extreme pairs which have been deployed and locked at the ends of the span as described with reference to the two pairs of extreme spouts of the two coupled spans 1 of FIGS. 14D and 14E and rests by its spouts forming spouts of access on the two opposite edges of the breach B.
  • the invention has been described with reference to a span with two sets of load-bearing structures and spouts to form two parallel tracks respectively for the side wheels of vehicles, but it is understood that it also applies to a span with a single structure load-bearing and with two extreme spouts to form a track with a width allowing the passage of vehicles.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Bridges Or Land Bridges (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Seal Device For Vehicle (AREA)
  • Jib Cranes (AREA)
  • Body Structure For Vehicles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Road Paving Structures (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Claims (25)

  1. Überbrückungssystem, das bestimmt ist, insbesondere Militärfahrzeugen zu gestatten, insbesondere Gräben (B) zu überfahren, derjenigen Gattung mit wenigstens zwei End-zu-End starr ankoppelbaren gleichartigen Überspannungsträgern (1), wobei jeder Überspannungsträger (1) wenigstens ein widerstandsfähiges Traggerüst (2) mit einer Rollbahn am Oberteil ; zwei jeweils an den beiden Enden des Traggerüstes (2) um einen Querschwenkzapfen (5) herum gelenkig angeordneten Auslegern (4) aufweist, damit jeder Ausleger (4) entweder eine auf das Traggerüst (2) zurückgeklappte bzw. zurückgefaltene Stellung oder eine in Verlängerung des Traggerüstes (2) entfaltene Stellung einnehmen kann, an welchem der Ausleger (4) durch eine Verriegelungsvorrichtung (6) starr befestigt ist, so dass der Überspannungsträger (1) zur Überspannung eines Grabens (B) verwendet werden kann, mit seinen beiden entfaltenen Auflaufklappen bildenden Auslegern in Abstützung jeweils an beiden entgegengesetzten Rändern des Grabens (B) ; dadurch gekennzeichnet, dass die beiden Überspannungsträger (1) End-zu-End in der Höhe ihrer jeweiligen, jeweils durch einen auf das entsprechende Traggerüst (2) zurückgeklappten Ausleger (4) bestimmten Stirnflächen (2e, 4e) durch zwei jeweils mit den beiden Überspannungsträgern an ihren jeweiligen Enden fest verbundene Verriegelungsvorrichtungen (6) starr angekoppelt sind.
  2. System gemäss Anspruch 1, dadurch gekennzeichnet, dass jede das stumpf anstossende Ankoppeln der beiden vorgenannten Überspannungsträgern (1) gewährleistende Verriegelungsvorrichtung durch eine vorgenannte zur starren Befestigung eines Auslegers (4) an dem vorgenannten Traggerüst (2) bestimmte Verriegelungsvorrichtung (6) gebildet wird.
  3. System nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Vorrichtung zur Verriegelung jedes Auslegers (4) an dem Traggerüst (2) wenigstens einen durch mit dem Ausleger (4) und mit dem Traggerüst (2) fest verbundene jeweils männliche und weibliche erste und zweite Mittel (6a und 6b) gebildeten Riegel aufweist, welche etwa in demselben Abstand beiderseits der den Schwenkzapfen (5) des Auslegers (4) gegenüber des Traggerüstes (2) enthaltenen waagerechten Ebene von dieser liegen, so dass das erste Mittel (6a) in das zweite Mittel (6b) in entfalteter Lage des Auslegers (4) eingreifen kann.
  4. System nach Anspruch 3, dadurch gekennzeichnet, dass während der stumpf anstossenden Ankopplung der beiden Überspannungsträger (1), die ersten und zweiten Mittel (6a und 6b) des Riegels einer Verriegelungsvorrichtung (6) am Ende des einen der beiden Überspannungsträger (1) jeweils mit den zweiten und ersten Mitteln (6b und 6a) des Riegels einer Verriegelungsvorrichtung (6) am Ende des anderen Überspannungsträgers in Eingriff kommen.
  5. System nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die vorgenannten ersten und zweiten Mittel (6a und 6b) des Riegels (6) an einem Ende eines Überspannungsträgers (1) jeweils mit einem Ausleger (4) und mit dem Traggerüst (2) fest verbunden sind und die ersten und zweiten Mittel (6a und 6b) des Riegels (6) an dem entgegengesetzten Ende des Überspannungsträgers (1) jeweils mit dem Traggerüst (2) und mit dem anderen Ausleger (4) fest verbunden sind.
  6. System nach einem der vorangehenden Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das vorgenannte erste Mittel eines Riegels (6) ein Verriegelungsquerzapfen (6a) ist und das zweite Mittel dieses Riegels (6) ein Verriegelungshaken (6b) ist, wobei der Zapfen (6a) und der Verriegelungshaken (6b) von derselben Seite der entsprechenden Stirnfläche (2e, 4e) eines Überspannungsträgers (1) vorspringen.
  7. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jede Verriegelungsvorrichtung (6) mehrere symmetrisch zu der Längsmittelebene eines Überspannungsträgers (1) angeordnete Riegel aufweist, wobei die jeweiligen Verriegelungsbolzen der Riegel (6) koaxial sind.
  8. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeder Ausleger (4) in zurückgeklappter Stellung durch zwei seitliche Verriegelungsmittel (26') verriegelt ist, wobei jedes einen Schwenkhebelarm (27) mit einem Verriegelungshaken (29) in welchen ein mit dem freien Ende des Auslegers (4) fest verbundener Querverriegelungszapfen (30) eingreift, aufweist.
  9. System nach Anspruch 6, dadurch gekennzeichnet, dass es wenigstens einen Seitenhebel (15) zur Betätigung von Verriegelungshaken (6b) jeweils von Riegeln (6) an jedem Ende eines Überspannungsträgers (1) zwischen einer Stellung zur Verriegelung und einer Stellung zur Entriegelung von entsprechenden Verriegelungszapfen (6a) sowie wenigstens ein Glied (18) zum Halten der Verriegelungshaken (6b) in der Verriegelungs-bzw. Entriegelungsstellung aufweist.
  10. System nach Anspruch 9, dadurch gekennzeichnet, dass das Halteglied (18) eine vorgespannte Druckfeder (24) aufweist, die an ihren beiden Enden über Bügel (19, 20) zur Anlenkung jeweils an das Traggerüst (2) oder an den zugeordneten Ausleger (4) und an einen Verriegelungshaken (6b) schwenkbar angeordnet ist.
  11. System nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass es zwei Hebel (15) zur Betätigung von jeweils zwei Paaren von Verriegelungshaken (6b) aufweist, wobei jeder Hebel (15) einen Arm (16) zur Verbindung von zwei Verriegelungshaken (6b) antreibt.
  12. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeder Überspannungsträger (1) an einem seiner Enden einen Positionierfuss (24) und an seinem entgegengesetzten Ende eine Positionieröffnung (25) aufweist, wobei der Positionierfuss (24) eines Überspannungsträgers (1) in die entsprechende Positionieröffnung (25) eines anderen Überspannungsträgers (1) für deren gegenseitigen Positionierungen eingreift, wobei die Zusammenfügung von Positionierfuss (24) und - öffnung (25) die sich aus der Vorbeifahrt von Fahrzeugen auf den Rollbahnen der beiden endweise angekoppelten Überspannungsträger (1) ergebenden Scherkräfte aufnimmt.
  13. System nach Anspruch 12, dadurch gekennzeichnet, dass der vorgenannte Positionierfuss (24) pyramidenförmig gestaltet ist.
  14. System nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass der Positionierfuss (24) mit der Stirnfläche (2e) des Traggerüsts (2) eines Überspannungsträgers (1) fest verbunden ist und die Positionieröffnung (25) in der entgegengesetzten Stirnfläche (2e) des Traggerüsts (2) des Überspannungsträgers (1) gebildet ist.
  15. System nach einem der vorangehenden Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die ersten Mittel (6a) der Riegel (6) am Ende eines Überspannungsträgers in der oberen Höhenlage der Stirnfläche (4e) des auf das Traggerüst (2) zurückgeklappten zugeordneten Auslegers (4) liegen, während die zweiten Mittel (6b) dieser Riegel (6) in der unteren Höhenlage der Stirnfläche (2e) des Traggerüsts (2) liegen und dass die zweiten Mittel (6b) der Riegel (6) am entgegengesetzten Ende des Überspannungsträgers (1) in der oberen Höhenlage der Stirnfläche (4e) des anderen auf das Traggerüst (2) zurückgeklappten zugeordneten Auslegers (4) liegen, während die ersten Mittel (6a) dieser Riegel in der unteren Höhenlage der Stirnfläche (2e) des Traggerüsts (2) liegen.
  16. System nach einem der vorangehenden Ansprüche 3 bis 6 und 12 bis 14, dadurch gekennzeichnet, dass der vorgenannte Positionierfuss (24) oberhalb der ersten oder der zweiten Mittel (6a oder 6b) der Riegel (6) jenachdem mit welchem Ende des Überspannungsträgers er fest verbunden ist und symmetrisch zur vorgenannten Lenksmittelebene liegt.
  17. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der vorgenannte Gelenkzapfen (5) durch mehrere mit dem Traggerüst (2) fest verbundene gabelstückförmige Teile (7) und einen zwischen zwei Schenkeln (7a) jedes Gabelstücks (7) schwenkbar angeordneten und mit dem Ausleger (4) fest verbundenen mittleren Teil (7b) gebildet wird.
  18. System nach einem der vorangehenden Ansprüche 12 bis 14, dadurch gekennzeichnet, dass die Stirnfläche (4e) des einen der beiden zurückgeklappten Ausleger (4) eines Überspannungsträgers (1) eine, die freie Durchfahrt des darunter liegenden Positionierfusses (24), während des Ausfahrens des Auslegers (4) gestattende Oeffnung (26) aufweist.
  19. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeder Ausleger (4) die allgemeine Gestalt einer Pyramide mit rechteckigem Querschnitt aufweist, dessen beiden entgegengesetzten Flächen (4a, 4b) bestimmt sind, als Rollbahnen in den jeweils zurückgeklappten und entfaltenen Stellungen des Auslegers (4) zu dienen, der um einen vorgenannten Gelenkzapfen (5) herum durch eine Querseite (4c) der rechteckigen Grundfläche des Auslegers (4) angelenkt ist.
  20. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeder Ausleger (4) zwei Seitenwände (4f, 4g) aufweist, die Räderführungen in der auf das Traggerüst (2) zurückgeklappten Stellung des Auslegers (4) bilden und in der auf dem Boden ausgefahrenen Stellung des Auslegers (4) einziehbar sind.
  21. System nach Anspruch 20, dadurch gekennzeichnet, dass jede eine Räderführung bildende Seitenwand (4f, 4g) parallel zur entsprechenden Seitenfläche des zugeordneten Auslegers (4) frei gleitbar ist, um die eingezogene Stellung, wenn der Ausleger (4) ausgefahren ist und eine ortsfeste Betriebsstellung, wenn der Ausleger (4) auf das Traggerüst (2) zurückgeklappt ist, einzunehmen.
  22. System nach Anspruch 21, dadurch gekennzeichnet, dass in der vorgenannten ortsfesten Stellung, jede Seitenwand (4f, 4g) sich auf eine mit dem Traggerüst (2) fest verbundene und in der ausgefahrenen Stellung des Auslegers (4) eine Räderführung bildende, darunter liegende Seitenwand (2h, 2i) durch die Schwerkraft abstützt.
  23. System nach Anspruch 17, dadurch gekennzeichnet, dass es wenigstens zwei jeweils mit der Querseite (4c) eines Auslegers (4) und mit dem Ende des Traggerüsts (2) fest verbundene und jeweils oberhalb und unterhalb eines vorgenannten Gelenkgabelstücks (7) angeordnete Blöcke (11) aufweist, damit die beiden Stützflächen (10) jeweils der beiden Blöcke (11) in der ausgefahrenen Stellung des Auslegers (4) stumpf aneinander stossen, um die an dem Gelenkzapfen (5) insbesondere während dem Vorbeifahren von Fahrzeugen auf dem Überspannungsträger (1) angelegten Kräfte aufzunehmen.
  24. System nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jeder Überspannungsträger (1) zwei durch Querarme (3) starr miteinander verbundene, parallele, gleichartige Traggerüste (2) aufweist.
  25. System nach den Ansprüchen 3 und 24, dadurch gekennzeichnet, dass die beiden Traggerüste (2) eines Überspannungsträgers (1) symmetrisch zu einer Längsmittelebene angeordnet sind, damit den ersten und den zweiten Mitteln (6a und 6b) der Riegel (6) eines Endes eines Traggerüsts (2) und eines zurückgeklappten Auslegers (4) jeweils die zweiten und die ersten Mittel (6b und 6a) der Riegel (6) des Endes auf derselben Seite des anderen Traggerüsts (2) und des zugeordneten zurückgeklappten Auslegers (4) entsprechen und dass einem Positionierfuss (24) am Ende eines Traggerüsts (2) eine Positionieröffnung (25) am Ende auf derselben Seite des anderen Traggerüstes (2) entspricht.
EP90401873A 1989-07-06 1990-06-28 Brückensystem zur Überwindung von Gräben durch Fahrzeuge Expired - Lifetime EP0407274B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90401873T ATE87683T1 (de) 1989-07-06 1990-06-28 Brueckensystem zur ueberwindung von graeben durch fahrzeuge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8909133A FR2649426B1 (fr) 1989-07-06 1989-07-06 Systeme de pontage permettant a des vehicules de franchir des breches
FR8909133 1989-07-06

Publications (2)

Publication Number Publication Date
EP0407274A1 EP0407274A1 (de) 1991-01-09
EP0407274B1 true EP0407274B1 (de) 1993-03-31

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EP90401873A Expired - Lifetime EP0407274B1 (de) 1989-07-06 1990-06-28 Brückensystem zur Überwindung von Gräben durch Fahrzeuge

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US (1) US5033145A (de)
EP (1) EP0407274B1 (de)
AT (1) ATE87683T1 (de)
DE (1) DE69001213T2 (de)
FR (1) FR2649426B1 (de)
HK (1) HK1002710A1 (de)

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* Cited by examiner, † Cited by third party
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FR2683837B1 (fr) * 1991-11-15 1994-02-11 Mediterranee Const Indles Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transport et de depose de la structure.
DE4209316A1 (de) * 1992-03-23 1993-09-30 Krupp Industrietech Verlegbare Brücke
DE4439844A1 (de) * 1994-11-08 1996-05-30 Krupp Foerdertechnik Gmbh Vorrichtung zum automatischen Kuppeln von transportablen bzw. zerlegbaren Brücken
RU2723423C1 (ru) * 2019-07-30 2020-06-11 Федеральное государственное бюджетное учреждение "Центральный научно-исследовательский испытательный институт инженерных войск" Министерства обороны Российской Федерации Концевая секция наводочной балки с береговой опорой

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Also Published As

Publication number Publication date
EP0407274A1 (de) 1991-01-09
FR2649426B1 (fr) 1992-03-20
HK1002710A1 (en) 1998-09-11
FR2649426A1 (fr) 1991-01-11
DE69001213T2 (de) 1993-10-21
ATE87683T1 (de) 1993-04-15
US5033145A (en) 1991-07-23
DE69001213D1 (de) 1993-05-06

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