EP0685599B1 - System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug - Google Patents

System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug Download PDF

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Publication number
EP0685599B1
EP0685599B1 EP95202050A EP95202050A EP0685599B1 EP 0685599 B1 EP0685599 B1 EP 0685599B1 EP 95202050 A EP95202050 A EP 95202050A EP 95202050 A EP95202050 A EP 95202050A EP 0685599 B1 EP0685599 B1 EP 0685599B1
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EP
European Patent Office
Prior art keywords
elements
vehicle
bridge
bridge element
span
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.)
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EP95202050A
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English (en)
French (fr)
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EP0685599A1 (de
Inventor
Guy Rainaud
Denis Allain
Henri Aubert
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CNIM Groupe SA
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Constructions Industrielles de la Mediterrane CNIM SA
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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 present invention relates to a transport system on a vehicle at least two bridging bridges intended for crossing breaches and removal of the bridges above the breaches from the vehicle.
  • the object of the present invention is to eliminate the above drawbacks by proposing a transfer system on a road vehicle, such as a truck, at least two bridging spans superimposed on a chassis of the vehicle that can be assembled end to end and removal of each of the spans or two spans assembled end to end above breaches to cross, and of the type comprising a beam of support and launching of a span or assembled span movable relative to the vehicle to a cantilever position at the front of the latter, means for moving the span or spans assembled relative to the support and launching beam at a cantilever position at the front of said beam and a plate guided support of the support and launch beam and tilting relative to the vehicle to allow removal of the span or assembled span, and which is characterized in that it includes at least one controlled hook for removing the span or assembled spans mounted at the end of the support beam and of launching and being able to occupy a relative position of support of a axis of handling of the span or assembled span located at the opposite of the end of the span or spans
  • the cantilever position of the support and launch beam at the front of the vehicle when removing the span or the span assemblies is relatively small, about a quarter of its length total.
  • the means for moving the span or spans assembled relative to the aforementioned beam include two chains endless drive arranged on either side of the beam and each mounted on two fixed gear wheels at the ends of the beam with the lower strand of each passing drive chain by three toothed triangle return wheels secured to the support and tilting, a motor-reduction drive unit simultaneous of two of the idler gears respectively of two drive chains and fixed to the support and tilting platform, and at least two pairs of retractable fork elements fixed respectively to the two drive chains symmetrically to the longitudinal axis of the beam, each pair of elements forming fork gripping a corresponding projecting part of the box central of a span located at the right of a handling axis below of it.
  • the two pairs of fork elements are brought simultaneously in the gripping position of the above-mentioned projecting parts or in position retracted by a mechanism controlled by a device control fixed on the support and tilting plate.
  • each pair of elements forming a fork includes two cleats pivotally facing each other respectively on two parallel axes of links of a chain drive and the above mechanism includes two axes transverse mounted rotatably in the aforementioned beam, driven together in rotation by two interlocking toothed wheels respectively of the two transverse axes each supporting their ends two outer cams pushing respectively two arms pivotally mounted on the beam below the upper strands of both drive chains so as to lift the corresponding cleats in a projecting position above the plane passing over the strands upper of the two drive chains, and a mounted plate pivoting on one side of the beam having one of its ends connected to a control rod and its opposite end comprising a indentation in which the end of a swivel arm of one of the thrust cams, the swivel plate thus being able to switch between an active position for locking the stops at their aforementioned gripping position and an inactive position retraction of the cleats.
  • the aforementioned control device comprises an element, such as a plate perpendicular to the support and tilting plate, vertically movable between a low position and a high position and acting in a fixed position of the beam relative to the support plate and tilting on a roller integral with the end of a pivoting arm relative to the beam and forming with the control rod mentioned above and the swivel plate with a notch a parallelogram deformable between the two aforementioned tilting positions of the swivel plate.
  • an element such as a plate perpendicular to the support and tilting plate, vertically movable between a low position and a high position and acting in a fixed position of the beam relative to the support plate and tilting on a roller integral with the end of a pivoting arm relative to the beam and forming with the control rod mentioned above and the swivel plate with a notch a parallelogram deformable between the two aforementioned tilting positions of the swivel plate.
  • the aforementioned support and tilting plate is located at the front of the vehicle and the aforementioned beam has its rear part of the support plate and tilting, in rest position or out of service of the beam, housed between the two overlapping spans and the connecting arms of the two spans superimposed with the two link arms of the span lower each having the shape of a U articulated at its ends respectively to the two internal side walls of the two boxes central of the two lower span elements which can be raised simultaneously to a position parallel to the chassis and locked to the lower span, the two U-shaped link arms thus increasing in lowered position the beam housing space.
  • the system further includes means for lifting the link arms elements of interior span constituted by a lifting table mounted on the vehicle chassis to occupy a position lowered inactive and can be raised from its inactive position, after removal of the beam from above the lower span, so that act on the lower ends of the U-shaped link arms and spread them apart from each other to the parallel locking position of the arms of connection to the lower span.
  • two support hooks respectively of the two axes handling integral vis-à-vis respectively of two elements of span are provided and are attached to the ends of two chains of control mounted respectively on two gears parallel to the end of the beam and driven by a fixed reduction mechanism on the beam and controlled by a motor, preferably hydraulic, fixed to the support and tilting plate and mechanically coupled by a removable connection to the reducing mechanism to fixed fixed positions of the beam relative to the plate support and tilting.
  • Each aforementioned hook comprises a latch for locking an axis of handling and arranged to cooperate with the upper edge of the wall corresponding side of the beam during a controlled movement of the hook in the opposite direction to that of lowering the hook so that be unlocked by the action of an elastic member in a position relative of the receiving hook of the corresponding handling axis and the hook is then moved over a relatively small stroke, simultaneously with the span, in the direction of descent of the hook to automatically bring the latch to the locked position of the handling axis in the hook.
  • the aforementioned beam is translated in a longitudinal direction relatively to the support and tilting plate by a geared motor assembly fixed under said plate driving at least one drive pinion meshing with a longitudinal rack fixed under the beam which includes in the upper part tracks forming guide rails spans on which the rollers move spans.
  • the system also includes a device for controlling the tilting of the aforementioned support plate comprising two cables lateral passing respectively on two pulleys integral with the plate support behind the tilting axis of said plate in defining two strands perpendicular to the vehicle chassis anchored to the latter and two parallel strands extending along the chassis and winding respectively on two drums of a winch driven by a motor-reducer assembly secured to the chassis at the rear of the vehicle.
  • the two above-mentioned perpendicular strands have their ends connected to a rod-shaped balance parallel to the chassis of the vehicle and pivotally mounted around a longitudinal central axis secured to a yoke attached to the vehicle chassis and parallel strands are returned to the pulleys of the support plate via return pulleys.
  • the system further comprises two pairs of cylinders arranged on the side and on the other side of the vehicle so as to raise the lower span, after clearance of the upper span on the beam, at the level of the upper span in order to couple it at the end of the latter.
  • Each span includes two pairs of handling axes front and rear respectively, two axes of handling of each pair being fixed opposite each other to the two central boxes of two span elements in the upper part thereof.
  • reference 1 designates a vehicle road, such as a truck, to transport to at least one breach to be crossed by vehicles, such as for example armored engineering vehicles, three spans respectively upper 2, intermediate 3 and lower 4 superimposed on a longitudinal frame 5 of the vehicle.
  • vehicles such as for example armored engineering vehicles
  • Vehicle 1 comprising a double front cabin 6 extended by rear by the longitudinal chassis 5, supports a system suitable for deposit the braces 2, 3, 4 separately over the gaps or assemble at least two spans end to end and deposit the spans assembled over a breach.
  • Spans 2, 3 and 4 are identical and are each formed by two parallel span elements 2a, 2b; 3a 3b; 4a, 4b assembled in pairs link arm forming spacer 2c, 3c and 4c.
  • the two elements of span of each span 2, 3, 4 have two tracks upper parallels 2d, 3d and 4d.
  • Each span element includes a central box rigid 7 and two access spouts 8, 9 assembled respectively to the two ends of the central box 7 so as to extend the track top of the central box.
  • the access spout 8 is partially fixed upper of the central box 7 by a transverse pivot axis 10 and in the lower part of the central box 7 by locking means which are unlockable so as to allow the spout 8 to be raised around its pivot axis 10.
  • These locking means include at least two locking pins 11, 12 integral respectively mobile access spout 8 and central box 7. As example, twenty pairs of locking pins 11, 12 are provided parallel in the same plane forming the bottom of the span element.
  • the means of locking further comprise two members 13, 14 forming jaw enclosing heads opposite 15, 16 respectively axes of locking 11 and 12.
  • the two jaw members 13, 14 are arranged transversely to the longitudinal axis of the span element in a lower space 17 defined between the movable access spout 8 and the central box 7.
  • Each pin 18 has a threaded through hole 23 into which is screwed a threaded end of a control rod 24 rotatably mounted around its longitudinal axis in the block 21.
  • the control rod 24 extends longitudinally in the central box 7 to a first mechanism reducer 25 fixed to the bottom of the central box 7.
  • the reduction mechanism 25 is driven by a transverse axis 26 itself driven in rotation by a second central reducing mechanism 27 also fixed to the bottom of the central box 7.
  • the reduction mechanism 27 can be actuated by a external motor, preferably hydraulic, detachably coupled to the reduction mechanism 27 as will be explained later.
  • a external motor preferably hydraulic, detachably coupled to the reduction mechanism 27 as will be explained later.
  • the two jaw members 13, 14 and the two pins 18 of a span element are controlled simultaneously by a mechanism control comprising in the vicinity of each of the ends of the jaw members 13, 14 a plate 28 fixed to the block 21 so guided, for example by two guide rails 29, so that it can be move in a longitudinal direction between two positions respectively closing extremities of the jaw members 13, 14 and engagement of each pin 18 in the corresponding passage 19 and opening of the jaw members 13, 14 and total withdrawal of each pin 18 in the corresponding passage 20 of block 21.
  • each plate 28 is driven in longitudinal translation by a axis 30 integral with the corresponding spindle 18 and passing through a groove longitudinal 31 of a wall of block 21 having its integral end of a face of the movable plate 28, the opposite face of which comprises two oblique grooves 32 in which respectively engage two transverse pins 33 attached to the ends of two members forming jaw 13, 14.
  • the external hydraulic motor is coupled to the mechanism reducer 27 and actuated to rotate the axes 26 which themselves drive the two control rods 24 causing the longitudinal displacement of the pins 18 in the position of total withdrawal in passages 20 of blocks 21.
  • Displacement of pins 18 causes a concomitant displacement of the two plates 28 to the right in relation to Figure 14 so as to separate from one another the two jaw-forming members 13, 14.
  • a displacement by the control rods 24 of the pins 18 in the passages 19 of the spout movable access in the lowered position causes a movement towards the left of the plates 28 and thus the bringing together of the two organs forming jaw 13, 14 in the locking position of the axes of locking 11, 12.
  • the relative displacement of the two members forming jaw 13, 14 is provided by two parallel guide pins 34 located in the vicinity of the two ends of the two jaw-forming members 13, 14 and integral with the central box 7 of the span element.
  • the access spout 9 opposite the movable spout 8 of each span element is fixed and has at its upper part a transverse bar 35 for locking a hook-shaped part 36 at the end an unlocked movable spout 8 of another span element.
  • the bar 35 and the hook-shaped part 36 are configured so as to prevent the movable spout 8 from escaping from the locking bar 35.
  • the fixed access spout 9 further comprises at least one locking pin 37, for example twenty parallel locking axes located in the plane forming the bottom of the span element extending longitudinally from so as to project from the end of the fixed spout 9.
  • Each axis of locking 37 is identical to locking pins 11, 12 and counts therefore a locking head 38 coming opposite a locking head 16 of a corresponding locking pin 12 of the central box 7 when the span element comprising the locking pins 37 is assembled end to end with the other span element comprising the axes of locking 12.
  • FIG. 11 shows that the locking pins 37 are secured to the locking pins 12 by the two members forming jaw 13, 14.
  • Figure 8 shows two assembled span elements end to end where the movable spout 8 of the span element on the right by relative to this figure rests on the fixed spout 9 of the span element of left being locked by the hook-shaped end portion 36 to the locking bar 35 of the fixed access spout 9 with the axes of locking 37 of the fixed access spout 9 locked to the locking pins 12 of the central box of the right-hand span element by the two jaw members 13, 14.
  • the movable spout 8 ensures the continuity of the upper bearing of the two span elements.
  • Fixed nozzle 9 of each span element also comprises two jacks 39 fixed without the spout 9 perpendicular to the bottom thereof and intended to lift a movable spout 8 of another span element to unlock the part in hook shape 36 of the locking bar 35 of the fixed access spout 9.
  • the rod of the jack 39 is fully retracted in the fixed access spout 9 in the rest position and its end acts under the movable access spout 8 to unlock it from the fixed access spout 9.
  • each access spout has a width identical to that of the corresponding central box and configuration deposited above a gap in the span, the spouts opposite liftables of the latter are locked at the bottom of their central support box.
  • the two link arms forming spacers 3c of the two elements 3a, 3b of the intermediate span 3 have each in the shape of a U, the upper ends of which are fixed articulated by axes 40 to the two central boxes 7 of the two bridge elements so that they can pivot around these axes between a lowered position between the two span elements substantially perpendicular to the plane passing through the upper tracks and a raised position substantially parallel to this plane.
  • the two link arms 3c are locked automatically at their bases to the two boxes of the two structural elements by locking members 41 as will be explained later.
  • Each span 2, 3, 4 also comprises two pairs of rollers of front and rear bearing 42 fixed opposite the two side walls internal facing each other respectively of two elements of spans.
  • the system for removing the structures 2, 3, 4 includes a beam longitudinal launching and depositing 43 extending, in position rest or inactive substantially over the entire length of the vehicle 1 being largely housed in a longitudinal space defined between the two upper 2 and intermediate 3 spans and the arms of upper link 2c of span 2 and link arms 3c of span 3 in the lowered position, the latter thus increasing the height of housing of the beam 43 between the link arm.
  • Beam 43 has at its upper part two lateral shoulders 44 forming two guide rails for the rollers 42 of each of the spans.
  • the beam 43 is supported by being guided therein in translation longitudinally by a support plate 45 which is fixed so pivoting to the vehicle chassis by a transverse pivot axis 46 so as to be able to tilt around this axis in the opposite direction of needles of a watch for the removal of the spans. Guiding the beam 43 is produced by a lower T-shaped stud of beam 43 engaging in a mortise of conjugate form of the support plate 45.
  • the beam 43 is driven relative to the support plate 45 by a geared motor assembly 47 fixed under the support plate 45 driving two motor pinions 48 meshing through the bottom of support 45 with two longitudinal parallel racks 49 fixed under the beam 43.
  • the tilting of the support plate 45 is obtained by a control device 50 (see in particular Figures 30 to 32) comprising a geared motor unit 51 fixed to the chassis 5 at the rear of the vehicle and driving a transverse shaft 52 by a mechanism drive belt 53 - pulley 54 secured to the shaft 52 of which the two ends are kinematically linked to a rotary transverse shaft 55 of support of two winch drums 56 on which two are wound parallel cables 57 for tilting the support plate 44.
  • the cables 57 have two longitudinal parallel parts 57a passing respectively on two idler pulleys 58 fixed to the chassis 5 so to define two substantially vertical cable parts 57b passing over two control pulleys 59 fixed to two yokes 60, themselves fixed under the support plate 45.
  • the two cables 57 extend beyond pulleys 59 by two substantially vertical cable portions 57c, the ends of which are fixed respectively to the two ends a transverse bar 61 forming a pendulum with a longitudinal central axis rotatably mounted in a yoke 62 secured to the chassis 5.
  • the shafts 52 and 55 are rotatably mounted in a support in the form of a yoke 63 and the rotational drive of the shaft 55 by the shaft 52 can be done by example by a set of pulleys fixed to the ends of the shafts 52, 55 and two drive belts wound on these pulleys.
  • the tilting of the support plate 45 takes place when a span or at at least two spans assembled end to end are in overhang position with respect to this plateau so as to exert an effort tending to make naturally rock this one. In such a situation, it is sufficient to put the gearmotor assembly 51 into service so that the drums 56 are rotated in the direction of unwinding of cables 57.
  • the system further comprises means for moving a span or two spans assembled end to end relative to the beam support 43.
  • These means include two endless chains drive 64 arranged on either side of the beam 43 symmetrically to it and each mounted on two toothed wheels 65 fixed to the two ends of the beam 43 with the lower strand 64a of each chain 64 passing on three toothed return wheels in triangle 66 rotatably mounted to the support plate 45.
  • the two gear wheels 66 on the same side of the beam forming the base of the triangle are freely rotatable on a transverse support axis in projection of the support plate 45 while the lower toothed pinion 66 forming the top of this triangle is integral in rotation with a tree transverse 67 rotatably mounted on support bearings 68 integral with the support plate 45.
  • the shaft 67 comprises a pulley 69 driven in rotation by a driving pulley 70 linked to the pulley 69 by a belt (not shown) and secured to the end of an output shaft of a motor-reducer assembly 71 integral with the support plate 45.
  • the geared motor assembly 71 simultaneously drives the two wheels lower return teeth 66 located on either side of the beam 43.
  • the means of displacement of the spans relative to the beam 43 also include two front pairs of fork elements retractable 72 secured respectively to the two upper strands 64b of the two drive chains 64 and two rear pairs of elements forming retractable forks 72 also integral respectively of the two upper strands 64b of the two chains 64.
  • the two pairs before fork forming elements 72 are capable of gripping respectively two protruding parts forming fingers 73 integral respectively with two span elements and located to the right of two rollers 42 above which are located in the same vertical plane two axes of handling before 74 arranged opposite one another.
  • two rear pairs of fork elements 72 are capable of gripping respectively two protruding parts forming fingers 73 integral respectively of two span elements behind these on the right two rollers 42 above which are located respectively two rear handling axes 74 arranged facing each other one of the other.
  • the two pairs of fork elements 72 are brought simultaneously to the finger grip position 73 or to the position retracted by a mechanical mechanism controlled by a device control fixed on the support plate 45.
  • Each pair of elements forming forks is constituted by two cleats mounted opposite pivoting respectively on two parallel axes of links of a drive chain 64.
  • Figure 27 shows one of the two cleats 72 pivotally mounted at one of its ends on an axis 75 of connecting the parallel links of chain 64 and having its end opposite comprising a lower part forming a heel 76 coming in support, in the gripping position 72, under the axis 77 of connection of links of the chain 64 adjacent to the axis 75.
  • each cleat 72 is mobile between two parallel links of the chain 64.
  • a spiral spring 78 is provided mounted on the axis 75 so as to recall each cleat 72 in the retracted position as indicated by the arrow A.
  • the aforementioned mechanical mechanism comprises two transverse axes 79 rotatably mounted in the beam 43 and driven together in rotation by two meshing gear wheels 80 secured respectively to two axes 79.
  • At the ends of each of the two axes 79 are fixed cams 81 located outside the beam 43 and each arranged in underside of an arm 82 pivotally mounted at one of its ends to the beam 43.
  • Each pivoting arm 82 is disposed below a cleat 72 of so as to raise the cleat 72 to a finger grip position 73 while protrusion above the plane passing over the upper strands 64b of the chains 64 under the action of the corresponding cam 81.
  • One of the four cam 81 associated with the two front or rear pairs of fork elements 72 is extended by an arm 83 whose end engages so articulated in a notch 84a of a plate 84 pivotally mounted around an axis 85 to the beam 43.
  • the plate 84 forms a sort of lever having an arm portion acting on the arm 83 and another lever arm portion, the end of which is hingedly connected to a control rod 86 extending longitudinally to the beam 43.
  • the rod 86 is also hingedly connected to the end of the other plate-shaped lever 84 associated with the other two pairs fork forming elements 72.
  • Three control rollers 87 are fixed respectively to the three ends of three arms 88 fixed so pivoting to the beam 43, these three ends also being connected articulated to the rod 86.
  • the assembly constituted by the plates 84, the rod 86 and the arms 88 forming a deformable parallelogram of so as to tilt the two plates 84 located at the same time single side of beam 43 of the position shown on the left of the figure 23 retracting the tabs 72 to the position shown to the right of this figure of grasping by the tabs 72 of the drive fingers 73.
  • a spring 89 having one of its ends fixed to the beam 43 and its end opposite the point of articulation of the plate 84 to the rod 86 so as to maintain each plate 84 at the two positions extremes of retraction and gripping of the tabs 72 respectively.
  • cleat movement mechanism control device 72 includes an element, such as a vertical plate 90 fixed on the tray support 45, vertically movable between a low position and a high position so as to act on the rollers 87 and thus cause the desired tilting of the plate 84 to the retracted position or to the gripping position 72.
  • the plate 90 is arranged in the same vertical plane as that of the rollers 87 and has its two isosceles triangle-shaped ends with vertices aligned longitudinally.
  • the side top of either triangle acts to push up one of the rollers 87 and therefore retract the tabs 72 while in position top of plate 90, the lower side of one or other of the triangles acts to push down one of the rollers 87 and therefore bring the cleats 72 in the gripping position of the fingers 73.
  • the vertical displacement of the plate 90 is provided by two parallel arms 91 articulated at their ends at the plate 90 and the support plate 45 and a double rod cylinder 92 having their connected ends articulated respectively at the point of articulation from one of the arms 91 to the support plate 95 and to the point of articulation of the other arm 91 to the plate 90.
  • the system also comprises two controlled hooks 93 for respectively locking two handling axes 74 facing two span elements of a span and fixed to the ends of two control chains 94 arranged symmetrically to the longitudinal axis of the beam 43 and passing respectively on two parallel toothed wheels 95 rotatably mounted at the ends of the beam 43 while being perpendicular to the bottom of the latter.
  • the two toothed wheels 95 are integral in rotation with a transverse shaft 96 rotatably mounted between the two side walls 43a of the beam 43.
  • Two pulleys 97 parallel to the toothed wheels 95 are also integral in rotation with the shaft 96 and driven by two drive pulleys 98 kinematically linked to the pulleys 97 by two belts 99.
  • the two drive pulleys 98 are each secured to an output shaft of a reduction mechanism 100 fixed to the beam 43.
  • Each control chain 94 passes below a return toothed pinion 101 freely rotatably mounted at the end of the corresponding output shaft of the reduction mechanism 100 and at its free end connected to the end of a compensation spring 102 having its opposite end fixed to the bottom of the beam 43.
  • the input shaft of the reduction mechanism 100 is driven by a first reduction mechanism with pulleys 103, 104 kinematically linked by a belt (not referenced e), the shaft 105 for driving the pinion 104 passing through the bottom of the beam 43 and having at its lower end a rotary coupling plate 106 which can be driven by a hydraulic motor 107 as will be explained below.
  • the drive shaft 104 also drives an upper pulley 108 of diameter identical to the diameter of the pulley 104 kinematically linked by a drive belt 109 to a pulley 110 secured to the end of a rotary shaft 111 having its lower end secured to a rotary coupling plate 112 identical to the plate 106.
  • the shaft 111 drives a second pulley 113 identical to the pulley 110 coupled by a belt 114 to a pulley 115 secured to a rotary drive shaft 116 passing through the bottom of the beam 43 and the lower end of which is secured to a rotary coupling plate 117 identical to the plates 106 and 112. As shown in FIG.
  • the beam 43 can occupy relative to the motor 107 fixed under the plate of support 45 three distinct fixed positions a , b , c , at each of which the motor 107 is removably coupled to the corresponding plates 106, 112 and 117.
  • one of the rollers 87 is in the plane of the plate 90 so that the latter can lock or unlock the fingers 73 to or fork elements 72.
  • Figure 26 shows the plate 112 for driving the axis 113 ready to be coupled in rotation to an output plate of the motor 107.
  • the output plate of the motor 107 is of the type comprising fingers or claws engaging in cavities of conjugate form of the plate 106, 112 or 117.
  • This plate output is mechanically coupled to a rack bar 118 axially guided in a direction transverse to the support plate 45 and meshing with a toothed sector 119 driven around an axis of rotation 120 fixed to the plate 45 by a control cylinder 121 and a lever arm 122.
  • the rack shaft 118 is shown in the inactive disengagement position of the output plate of the motor 107 from the coupling plate 112.
  • Each hook 93 has a latch 93a for locking an axis of handling 74 constantly reminded in the unlocked position by a spring 123.
  • the two hooks 93 can occupy three positions X, Y and Z. In position Z for removing spans, the two handling axes 74 are housed respectively in the two hooks 93 without being locked by latches 93a.
  • Each side wall end 43a of the beam 43 has a flange 43b configured in cam cooperating with the latch end 93a of the hook 93 in the same plane as the side wall 43a so as to bring the latch 93a into unlocking position of a handling pin 74 when the hook 93 is in position X and this under the return action of spring 123.
  • the latch 93a of each hook 93 occupies the position locked to a handling axis 74 since the flange 43b acts as latch push cam 93a against restoring force spring 123.
  • Figures 33 to 36 show the lifting device of the two arms of connection 3c of the intermediate span 3.
  • This device includes a table lifting unit 124 occupying, in the position for transporting the spans, the lowered position shown in Figure 33 at which the ends of the two link arms 3c rest on the table 124.
  • This is fixed to the vehicle chassis 5 via articulated arm 125 perpendicular to frame 5 and defining a parallelogram deformable under the action of a cylinder-forming member 126. More precisely, the two lower arms of the deformable parallelogram are extended by portions 125a hingedly attached to the chassis 5 while the upper arms of these parallelograms are extended by portions 125b fixed in an articulated manner under the table 124.
  • the table 124 is constituted by a frame 124a slidingly supporting, along the longitudinal axis of the vehicle, two shelves 124b linked between them by two parallel arms 127 articulated, on the one hand to the two shelves 124b and on the other hand at the two ends of a central lever 128 mounted pivoting in its center around an axis perpendicular to the vehicle chassis 5. Arms 127 and lever 128 allow both shelves 124b to move apart from each other as is raised the table 124 so that the ends of the link arms 3c are constantly pressing on the two shelves 124b to their position raised parallel to the chassis 5 of the vehicle. At the high position of the table lift 124, the link arms 3c are locked to the travures by the locking members 41.
  • Such members can be constituted by a hook pivotally mounted to the span element corresponding and controlled by a jack mounted on a shelf 124b of so as to tilt the hook in the locking position of an axis of integral locking of the corresponding link arm 3c.
  • the system also includes a box 129 located in the axis longitudinal of the vehicle behind it and serving as a support for the rear end of the beam 43 in the position for transporting the spans and a jack 130 mounted on the chassis 5 of the vehicle just behind the cabin 6 in the longitudinal axis of the vehicle and intended in particular for raise the beam - upper span assembly at the start of the launch the upper span.
  • the system finally includes a device forming an anti-tilt foot of the vehicle located at the front thereof and comprising a plate 131 articulated at the two free ends of two cylinder rods 132 fixed with articulated to the vehicle chassis and can be folded in one inactive position stored in the vehicle as shown in Figure 1 and two pairs of jacks 133 fixed to the chassis 5 of the vehicle symmetrically to the longitudinal axis thereof so as to raise the spans above chassis 5.
  • Vehicle 1 transports the three overlapping spans to the place where finds the breach B to cross and approaches it until the location shown in Figure 37A.
  • the upper span 2 is linked to the two chains 64 by the elements forming forks 72 trapping the finger portions 73 of the elements upper span 2.
  • Vehicle 1 is thus facing the breach at the transport position shown in Figure 1.
  • the foot device anti-tilt is deployed so that the plate 131 is supported on the ground and the actuator 130 is activated to slightly raise the assembly beam 43 - upper span 2 of the support box 129 so as to release the upper span from the intermediate span 3.
  • the assembly gear motor 47 is activated so as to move relative to the plate support 45 the unitary assembly formed by the beam 43 and the span upper 2 to the most cantilevered position of the beam front of the vehicle, position at which the hydraulic motor 107 has its output shaft mechanically coupled to the drive plate 117 for the shaft 116 supporting the pulley 115.
  • the system is thus in position shown in Figure 37A.
  • the upper span 2 is placed longitudinally on the beam 43 in activating the motor-reducer assembly 71 driving the two chains 64.
  • span 2 The transfer of span 2 is carried out until the two handling axes before 74 of span Z engage respectively in the two hooks 93 in position X which are brought in the Y position for locking the handling axes 74 by the assembly gear motor 100 activity by hydraulic motor 107 at the same time time the upper span 2 is advanced a short distance towards the front relative to the beam 43. Then, the actuator 126 for controlling the table 124 is actuated so that table 124 lifts the two arms of connection 3c of the intermediate span 3 to their position of locking to the corresponding span elements, to which they are there locked.
  • the two pairs of lateral cylinders 133 are activated so as to lift the two overlapping intermediate 3 and lower 4 until the intermediate span 3 is substantially the same level that the upper span 2 and the fork elements 72 are brought into the inactive retracted position by deforming the deformable parallelogram constituted by the plates 84, the rod 86 and the arms 88 by the plate 90 acting on the corresponding roller 87.
  • the motor 107 is disengaged from the drive plate 117 of the shaft 116.
  • the beam 43 and the upper span 2 which is linked to it by the hooks 93 are moved relative to the plate support 45 rearward to the position where the motor 107 is coupled to the shaft drive plate 112 with the part rear of beam 43 engaging between two intermediate beams 3 and lower 4.
  • the plate 90 is lowered to lock the hook elements 72 respectively to the two parts forming front fingers 73 of the intermediate span 3.
  • the motor-reduction unit 71 is activated so that the drive chains 64 move the intermediate span 3 towards the rear end of the span upper 2. Initially, the rear lifting access spout of span 2 and the front liftable access spout of span 3 are unlocked.
  • the cylinders 39 for lifting the access spouts are activated to lift the liftable access spouts 8.
  • the access spout 8 of the span upper 2 engages by its end on the corresponding fixed spout 9 of the intermediate span 3 while the spout 8 of the intermediate span 3 engages at its end on the fixed spout of the upper span 2 and the hook-shaped parts 36 of the lifting spouts 8 engage respectively on the transverse bars 35 of the fixed nozzles 9.
  • the locking pins 37 of the fixed nozzles 9 are locked to the locking pins 12 by the jaw members 13 by driving, by the corresponding hydraulic motor (not shown) and the return mechanisms 24, 27, the control rods 24 rotating around their longitudinal axes.
  • This hydraulic motor is fixed under the support plate 45 and is removably coupled to the return mechanism 27 in the same way as the motor 107.
  • the hydraulic motor for controlling the jaw members 13 is then removed from the return mechanism 27 and the two spans assembled 2, 3 are removed from the hooks 93 by moving back through the chains drive 64 both spans assembled and simultaneously bringing the two hooks 93 from state Y to state X to unlock and release hooks 93 from the two front handling axes 74 of the upper span 2.
  • the hooks 93 are then brought to position Z.
  • Figure 37D shows the two spans 2, 3 assembled end to end.
  • the assembled span 2, 3 are displaced relative to the source 43 by the drive chains 64 to a cantilever position relative to the beam 43 such that the axes handling before 74 of the intermediate span 3 engage in the hooks 73 brought from position Z to position X and the cross-sections 2, 3 are advanced with respect to beam 43 with concomitant displacement hooks 93 from position X to position Y to lock the handling axes 74 of the intermediate span 3.
  • the fork forming elements 72 are brought into the retracted position of so as to separate the fingers 73 from the intermediate span of the chains 94 and the motor 107 is uncoupled from the plate 112 drive shaft 111.
  • the beam with the assembled spans 2, 3 is brought to as position the more cantilevered in front of the vehicle as shown in figure 37F.
  • the side jacks 133 are controlled so as to lift the lower span 4 substantially at the same level as the assembled span 2, 3 (figure 37G).
  • Figure 37H shows that the beam 43 concomitantly with the assembled spans 2, 3 has been moved back relative to the support plate 45 at the position at which the motor 107 is again coupled to the plate 112 axis 111.
  • the elements forming forks 72 are brought to the right of the front finger portions 73 of the lower span 4 and are brought by the plate 90 in position active gripping of the parts forming fingers 73.
  • the drive chains 64 are controlled so as to move the lower span 4 towards the rear of the intermediate span 3 and the lifting cylinders 39 of the spouts mobile 8 are activated to allow end-to-end assembly of the lower span 4 to intermediate span 3 in the same way as for the end-to-end assembly of span 2 and 3 as explained previously, it being understood that initially the movable nozzles 8 the intermediate and lower sections respectively are unlocked.
  • the lifting cylinders 39 are brought to the inactive position, the control of the jaw members 13 is disengaged from the reduction mechanism 27, the cylinders 133 for raising the spans are returned to the inactive position and the motor 107 and removed from the plate 112 drive shaft 111.
  • the beam 43 is moved into position the overhanging in front of the support plate 45 and the motor 107 is coupled to the plate 117 for driving the shaft 116.
  • the spans 2, 3, 4 are moved away from the beam 43 by the chains drive 64 with concomitant displacement of hooks 93 of the position Y to position X to clear the handling axes 74 of the intermediate span 3, the hooks 93 then being brought to the position Z.
  • Figure 37K shows that the assembled span 2, 3, 4 are moved relative to the beam 43 by the drive chains 64 to a cantilever position at which the front handling axes 74 of the lower span 4 are locked in the hooks 93 at the already described previously.
  • the elements forming forks 72 connecting the lower span 4 to the drive chains 64 are brought into the retracted position by the plate 90 and these elements forming forks 72 are brought to the right of the parts forming fingers rear 73 of the lower span 4 to grasp them.
  • the assembled span 2, 3, 4 are moved back relative to the beam 43 by the drive chains 64 with concomitant movement of hooks position Y to position X to clear the handling axes 74 from the lower span of the hooks 93 which are held in position X.
  • the geared motor unit 51 is put into service so as to drive the drums 56 in the direction of unwinding of the cables 57, which causes tilting of the support plate 45 and therefore of the beam assembly 43 - span 2, 3, 4 in order to lay the end of the upper span 2 on the bank opposite the vehicle.
  • the assembly spans is released from the beam 43 so as to form an angle of spans relative to the beam of about 3 °.
  • the motor 107 is then disengaged from the axis 112 drive plate 111.
  • the beam 43 is then moved back relative to the support plate 45 to a relative position such that the motor 107 can be coupled to the plate 106 for driving the axis 104 and at the same time the spans are moved relative to the beam 43 by the drive chains 64 translating on the toothed wheels 65, 66 to a position such that the rear handling axes 72 of the lower span 4 engage and lock in hooks 93 successively in position, X and Y, the hooks 93 then being brought into position Z.
  • the parts forming fingers rear 73 of lower span 4 automatically disengage from fork elements 72 when the hooks 93 are in the position Y as is also represented in Figure 23.
  • the chains 64 are maneuvered to bring the elements forming forks 72, still in the active gripping position, at their initial position of FIG. 37A.
  • the gear motor assembly 51 is put back into service to wind the cables 57 on the drums 56 and thus bring back the support plate assembly 45 and beam 43 in horizontal position as shown in Figure 37N.
  • the beam 43 is cantilevered relative to the relatively small vehicle, about a quarter of its total length.
  • the motor 107 is activated to lower the hooks 93 and thus deposit the assembled spans 2, 3, 4 above the breach B as represented in figure 37-O.
  • the hooks 93 are then disengaged handling axes 74 of the lower span 4 and the assembly geared motor 51 returns the hooks 93 to their position X.
  • the motor 107 is disengaged from the axle drive plate 106 and the beam 43 is returned to the initial transport position.
  • the vehicle can then cross breach B passing over the bridge formed by the spans assemblies 2, 3, 4 to recover the spans on the opposite bank.
  • Figures 38A to 38H show the removal phases of a single span, in this case the upper span 2.
  • the assembly beam 43 and span 2 linked to the latter by the elements forming forks 72 is moved relative to the support plate 45 to a cantilever position in front of the vehicle at which the engine 107 is coupled to the shaft 112 drive plate 111.
  • the span 2 is moved relative to the beam 43 from the position shown in Figure 38B at the position shown in Figure 38C at which the handling axes before 74 of span 2 engage and are locked in hooks 93 as already explained previously.
  • the motor 107 is disengaged from the plate 112 drive shaft 111.
  • the beam 43 is moved relative to the support plate 45 at its most cantilevered position in front of the vehicle to which the engine 107 is coupled to 117 shaft drive tray 116.
  • FIG. 38E represents the tilting of the beam 43 and the Figure 38F shows the support of the end of span 2 on the bank opposite the vehicle with span 2 defining with respect to the beam 43 an angle of approximately 3 °.
  • the beam 43 is then moved back relative to the support plate 45 to a position identical to that of FIG. 37M, which makes translate the chains 64 on the toothed wheels 65, 66 so as to move the span 2 relative to the beam 43 until the parts forming back fingers of span 2 automatically disengage from fork elements 72 with the handling axes 74 engaging and locking in the hooks 93 which are brought in Z position.
  • the support plate assembly 45 and beam 43 is brought back to horizontal position by the gear motor assembly 51 and the motor 107 is activated to lower the hooks 93 and therefore place span 2 above breach B.
  • the different phases mentioned in figures 37-O and 37P are performed so that the vehicle passes over breach B and can then resume the span according to the different phases considered starting from figure 38H at the figure 38A.
  • the system according to the invention described above is of a structure and relatively simple to operate compared to systems known until now and above all remove one or more spans assembled in a minimum of time.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Bridges Or Land Bridges (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Harvester Elements (AREA)
  • Manipulator (AREA)
  • Led Device Packages (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)

Claims (19)

  1. System zum Transportieren von mindestens zwei Brückenteilen (2, 3, 4) durch ein Straßenfahrzeug, wie etwa ein LKW, die auf einem Fahrzeuggestell (5) übereinander gelegt und endseitig aneinanderfügbar sind, und zum Ablegen des jeweiligen Brückenteils oder der beiden endseitig aneinandergefügten Brückenteile über einen zu überwindenden Graben, von der Art mit einem Balken (43) zum Tragen und Verlagern eines Brückenteils oder der aneinandergefügten Brückenteile, der relativ zum Fahrzeug (1) in eine in dessen vorderen Bereich überhängende Stellung verfahrbar ist, wobei Mittel zum Verschieben des Brückenteils oder der aneinandergefügten Brückenteile relativ zum Balken (43) in eine im vorderen Bereich des Balkens (43) überhängende Stellung und eine Plattform (45) vorgesehen sind, welche den Trag- und Verlagerungsbalken (43) geführt trägt und relativ zum Fahrzeug (1) verschwenkbar ist, um das Ablegen des Brückenteils oder der aneinandergefügten Brückenteile zu ermöglichen, dadurch gekennzeichnet, daß es zumindest einen Steuerhaken (93) zum Ablegen des Brückenteils oder der aneinandergefügten Brückenteile aufweist, der am Ende des Trag- und Verlagerungsbalkens (43) angebracht ist und eine relative Stellung zum Halten einer Förderachse (74) des Brückenteils oder der aneinandergefügten Brückenteile einnehmen kann, die sich an der dem Ende des Brückenteils oder der aneinandergefügten Brückenteile gegenüberliegenden Seite befindet, das sich an den dem Fahrzeug gegenüberliegenden Rand des zu überwindenden Grabens durch Verschwenken der Tragplattform (45) anlegt, aus welcher Haltestellung der Haken (93) abgesenkt werden kann, um das andere Ende des Brückenteils oder der aneinandergefügten Brückenteile an dem Grabenrand abzulegen, der nahe dem Fahrzeug (1) liegt.
  2. System nach Anspruch 1, dadurch gekennzeichnet, daß die überhängende Stellung des Trag- und Verlagerungsbalkens (43) vor dem Fahrzeug (1) beim Ablegen des Brückenteils oder der aneinandergefügten Brückenteile relativ verkürzt ist, und zwar auf etwa ein Viertel seiner Gesamtlänge.
  3. System nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Mittel zum Verlagern des Brückenteils oder der aneinandergefügten Brückenteile relativ zum vorgenannten Balken (43) zwei endlose Antriebsketten (64) enthalten, die auf beiden Seiten des Balkens (43) angeordnet sind und jeweils an zwei Zahnrädern (65) gelagert sind, die an den Enden des Balkens (43) mit dem Untertrum (64a) der jeweiligen Antriebskette (64) befestigt sind, die über drei im Dreieck angeordnete, fest mit der vorgennanten Tragplatfform (45) verbundene Umlenkzahnräder (66) läuft; sowie eine Getriebemotoreinheit (71) zum gleichzeitigen Antrieb jeweils zweier Umlenkritzel (66) der beiden Antriebsketten (64), die an der Tragplattform (45) befestigt ist; und zumindest zwei aufklappbare Gabelelementpaare (72) bilden, welche jeweils an beiden Antriebsketten (64) symmetrisch zur Längsachse des Balkens (43) befestigt sind, wobei jedes Gabelelementpaar (72) einen entsprechend vorstehenden Abschnitt (73) des Mittelfelds (7) eines senkrecht zu einer Förderachse unterhalb dieser befindlichen Brückenteils ergreift.
  4. System nach Anspruch 3, dadurch gekennzeichnet, daß die beiden Gabelelementpaare (72) gleichzeitig in eine Stellung zum Ergreifen der vorgenannten vorstehenden Abschnitte (73) oder in eine aufgeklappte Stellung mittels einer Mechanik gebracht werden, die durch eine an der vorgenannten Trag- und Verschwenkplattform (45) befestigte Steuervorrichtung gesteuert wird.
  5. System nach Anspruch 4, dadurch gekennzeichnet, daß jedes Gabelelementpaar (72) zwei Anschläge (72) enthält, die einander gegenüberliegend auf zwei parallelen Gliederachsen (75, 77) einer Antriebskette (64) verschwenkbar gelagert sind, und die vorgenannte Mechanik zwei Querachsen (79) aufweist, die drehbar im vorgenannten Balken (43) gelagert sind und gemeinsam durch zwei miteinander kämmende Zahnräder (80) angetrieben werden, die jeweils fest mit den beiden Querachsen (79) verbunden sind, welche jeweils an ihren Enden zwei außenliegende Nocken (81) tragen, die jeweils zwei am Balken (43) unterhalb der Obertrümmer (64b) der beiden Antriebsketten (64) schwenkbar gelagerte Arme (82) so verschieben, daß die entsprechenden Anschläge (72) in eine über die durch die Obertrümer (64b) der beiden Antriebsketten (64) verlaufende Ebene vorstehende Stellung angehoben werden, und wobei eine auf der einen Seite des Balkens (43) schwenkbar gelagerte Platte (84) mit dem einen Ende gelenkig mit einem Steuergestänge (86) verbunden ist und deren gegenüberliegendes Ende eine Aussparung aufweist, in die gelenkig das Ende eines Schwenkarms (83) und der eine Schiebenocken (81) eingreifen, wobei die Schwenkplatte (84) somit zwischen einer aktiven Verriegelungsstellung der Anschläge (72) in deren Greifstellung und einer inaktiven Ausklappstellung der Anschläge (72) verschwenkbar ist.
  6. System nach Anspruch 5, dadurch gekennzeichnet, daß die vorgenannte Steuervorrichtung ein Element enthält, wie etwa eine Platte (90), die zur zwischen einer oberen und einer unteren Stellung lotrecht verschiebbaren Tragplatfform (45) senkrecht verläuft, welche in einer relativ zur Tragplatfform (45) ortsfesten Stellung des Balkens (43) auf eine Rolle (87) einwirkt, die fest mit dem Ende eines relativ zum Balken (43) verschwenkbaren Arms (88) verbunden ist, welcher mit dem Steuergestänge (86) und der die Aussparung aufweisenden Schwenkplatte (84) ein zwischen den beiden vorgenannten Verschwenkstellungen der Schwenkplatte (84) verformbares Parallelogramm bildet.
  7. System nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die vorgenannte Trag- und Verschwenkplattform (45) sich im vorderen Fahrzeugbereich befindet und der vorgenannte Balken (43) in Ruhestellung oder Stillstand des Balkens (43) mit seinem, hinter der Trag- und Verschwenkplattform (45) liegendem Bereich zwischen den beiden übereinander liegenden Brückenteilen und den Verbindungsarmen (2c, 3c) der beiden Brückenteile (2, 3) aufgenommen ist, wobei die beiden Verbindungsarme des unteren Brückenteils (3) jeweils eine U-Form aufweisen, die an ihren beiden Enden jeweils an die inneren Seitenwände der beiden Mittelfelder (7) der beiden Brückenteile angelenkt ist, und wobei die genannten Arme gleichzeitig in eine im wesentlichen parallel zum Fahrzeuggestell (5) liegende Stellung angehoben werden können, in der sie mit dem unteren Brückenteil (3) verriegelbar sind, und wobei die beiden U-förmigen Verbindungsarme (3c) in der abgesenkten Stellung somit den Raum zur Aufnahme des Balkens (43) vergrößern.
  8. System nach Anspruch 7, dadurch gekennzeichnet, daß es ein Mittel (124) zum Anheben der Verbindungsarme (3c) der unteren Brückenteile aufweist, das aus einem Anhebetisch besteht, der so am Fahrzeuggestell (5) angebracht ist, daß er eine abgesenkte, inaktive Stellung einnimmt und nach Einfahren des Balkens über das untere Brückenteil (3) aus der inaktiven Stellung so angehoben werden kann, daß er auf die unteren Enden der U-förmigen Verbindungsarme (3c) einwirken und diese bis in ihre Verriegelungsstellung mit dem unteren Brückenteil (3) aufspreizen kann.
  9. System nach Anspruch 1, dadurch gekennzeichnet, daß es Haken (93) zum jeweiligen Abstützen der beiden Förderachsen (74) enthält, die jeweils gegenüberliegend mit zwei Brückenteilen fest verbunden sind, daß die beiden Haken (93) an den Enden zweier Steuerketten (94) befestigt sind, die jeweils an zwei parallelen Zahnrädern (95) am Ende des Balkens (43) angebracht sind und durch ein Untersetzungsgetriebe (100) angetrieben werden, das am Balken (43) befestigt ist und durch einen Motor (107), vorzugsweise einen Hydromotor, gesteuert wird, der seinerseits an der Trag- und Verschwenkplattform (45) befestigt und in vorbestimmten, relativ zur Trag- und Verschwenkplattform (45) ortsfesten Stellungen (a, b, c) des Balkens (43) durch eine lösbare Verbindung mit dem Untersetzungsgetriebe (100) gekoppelt ist.
  10. System nach Anspruch 9, dadurch gekennzeichnet, daß jeder der vorgenannten Haken (93) eine Klinke (93a) zur Verriegelung einer Förderachse aufweist und dazu vorgesehen ist, mit der Oberkante der entsprechenden Seitenwand (43b) des Balkens (43) bei einer gesteuerten Verlagerung des Hakens (93) in zum Absenken des Hakens (93) entgegengesetzter Richtung so zusammenzuarbeiten, daß dieser durch die Wirkung eines Federorgans (123) entriegelt wird, daß der Haken (93) eine relative Stellung zur Aufnahme der entsprechenden Förderachse (74) aufweist, und daß der Haken (93) anschließend über eine relativ kurze Strecke gleichzeitig mit dem Brückenteil in Absenkrichtung des Hakens so verschoben wird, daß die Klinke (93a) automatisch in die Verriegelungsstellung der Förderachse (74) im Haken (93) gebracht wird.
  11. System nach Anspruch 10, dadurch gekennzeichnet, daß die Klinke (93a) eines jeden Hakens (93) durch die Wirkung des vorgenannten Federorgans (123) in der vorgennanten Haltestellung des Hakens (93) entriegelt wird.
  12. System nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der vorgenannte Balken (43) in Längsrichtung relativ zur Trag- und Verschwenkplattform (45) durch eine Getriebemotoreinheit (47) verschoben wird, die unter der genannten Plattform (45) befestigt ist und zumindest ein mit einer längsgerichtenen Zahnstange (49) kämmendes Abtriebsritzel (48) antreibt, die am Balken (43) befestigt ist, welcher im oberen Bereich Schienenbahnen zum Führen der Brückenteile (2, 3, 4) aufweist, auf denen sich die Laufrollen (42) der Brückenteile (2, 3, 4) verlagern.
  13. System nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß es eine Steuervorrichtung zum Verschwenken der Tragplatfform (45) enthält, die zwei seitliche Kabel (57) aufweist, welche jeweils über zwei mit der Tragplatfform (45) fest verbundene Riemenscheiben (59) hinter der Schwenkachse der genannten Tragplatfform (45) verlaufen und dabei zwei Trümer (57c), die im wesentlichen senkrecht zum Gestell (5) verlaufen und an diesem verankert sind und zwei parallele Trümer (57a) definieren, die entlang des Gestells (5) verlaufen und sich jeweils auf zwei Trommeln (56) einer Winde aufwickeln, die durch eine mit dem Gestell (5) im hinteren Bereich des Fahrzeugs (1) fest verbundene Getriebemotoreinheit (51) angetrieben wird.
  14. System nach Anspruch 13, dadurch gekennzeichnet, daß die beiden senkrecht verlaufenden Trümer (57c) an ihren Enden mit einem Schwengel (61) in Form einer zum Gestell (5) parallel verlaufenden Stange verbunden sind, die um eine Mittenlängsachse schwenkbar gelagert ist, welche fest mit einer Abdeckung (62) verbunden ist, die wiederum am Gestell (5) befestigt ist, und daß die parallel verlaufenden Trümer (57a) durch Umlenkscheiben (58) zu den Schwenkscheiben (59) der Tragplatte (45) umgelenkt werden.
  15. System nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß es zwei Zylinderpaare (133) enthält, die auf beiden Seiten des Fahrzeugs (1) so angeordnet sind, daß sie das untere Brückenteil (3) nach Ausfahren des oberen Brückenteils (2) am Balken (43) in Höhe des oberen Brückenteils (2) anheben, um es mit dem letztgenannten zu koppeln.
  16. System nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß jedes Brückenteil (2, 3, 4) zwei vordere bzw. hintere Förderachspaare (74) aufweist, wobei jeweils zwei Förderachsen (74) eines jeden Paares einander gegenüberliegend jeweils an beiden Mittelfeldern (7) der beiden Brückenteile in deren oberen Bereich befestigt sind.
  17. System nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß es einen Motor, vorzugsweise einen hydraulischen Motor, enthält, der an der Trag- und Verschwenkplattform (45) befestigt ist und mechanisch lösbar mit einem Untersetzungsgetriebe (24, 27) am Boden eines Brückenteils (2, 3, 4) in einer vorbestimmten, zur Trag- und Verschwenkplattform (45) relativen Stellung der Einheit aus Balken (43) und Brückenteil (2, 3, 4) gekoppelt werden kann.
  18. System nach den Ansprüchen 1 bis 17, dadurch gekennzeichnet, daß zum endseitigen Aneinanderfügen zweier Brückenteile und zum Ablegen über einen Graben das obere Brückenteil (2) zuerst fest mit den Antriebsketten (64) durch zwei Gabelelementpaare (72) verbindbar ist, wobei der Balken (43) und das obere Brückenteil (2) gemeinsam relativ zur Trag- und Verschwenkplattform (45) durch die Getriebemotoreinheit (47) bis in eine relative, am weitesten vor dem Fahrzeug (1) überhängende Stellung verlagert werden können, in der das Brückenteil (2) relativ zum Balken (43) zum vorderen Bereich des Fahrzeugs hin durch die beiden Antriebsketten (64) so weit verfahrbar ist, bis die beiden Förderachsen (74) jeweils in die beiden Haken (93) in der Entriegelungsstellung ihrer beiden Klinken (93a) eingreifen, wobei die beiden Haken (93) anschließend durch ihre Steuerkette (64) betätigbar sind, um die relative Verriegelungsstellung der beiden Förderachsen (74) des oberen Brückenteils (2) durch die Klinke (93a) einzunehmen, wobei die beiden Gabelelementpaare (72) vom oberen Brückenteil (2) entrriegelbar sind und der Anhebetisch (124) betätigbar ist, um die Verbindungsarme (3c) des unteren Brückenteils (3) anzuheben und mit diesem zu verbinden, während die beiden seitlichen Zylinderpaare (133) das untere Brückenteil (3) in die gleiche Höhe wie das obere Brückenteil (2) anheben können, wobei der Balken (43) und der obere Brückenteil (2) gemeinsam nach hinten in eine Stellung des Balkens (43) relativ zur Trag- und Verschwenkplattform (45) so verlagert werden können, daß die beiden Gabelelementpaare (72) betätigbar sind, um den vorderen Bereich des unteren Brückenteils (3) mit den beiden Antriebsketten (64) zu verriegeln, das so gesteuert wird, daß das untere Brückenteil (3) relativ zum Balken (43) zum hinteren Bereich des oberen Brückenteils (2) hin verlagert wird, wobei die beiden anhebbaren Zugangsnasen (8) des unteren Brückenteils (3) und des oberen Brückenteils (2), welche zuerst entriegelt werden, durch ihre jeweiligen Anhebezylinder (39) so angehoben werden, daß die hakenförmigen Enden (36) der angehobenen Nasen (8) sich mit den Querstegen (35) der beiden feststehenden Nasen (9) des oberen Brückenteils (2) und des unteren Brückenteils (3) verriegeln, und wobei Backenorgane (13) so betätigbar sind, daß die Verriegelungsachsen (12) der Mittelfelder (7) des oberen Brückenteils (2) und des unteren Brückenteils (3) endseitig verriegelt werden.
  19. System nach Anspruch 18, dadurch gekennzeichnet, daß der Balken (43) und die beiden aneinandergefügten Brückenteile (2, 3) gemeinsam relativ zur Trag- und Verschwenkplattform (45) in die am weitesten überhängende Stellung des Balkens (43) verfahrbar sind, in der die beiden Brückenteile relativ zum Balken (43) zurück geführt werden können, indem sie die beiden Antriebsketten (64) ansteuern, und die beiden Haken (93) gleichzeitig in eine Entriegelungsstellung der Klinken (93a) so gebracht werden können, daß die Förderachsen (74) des oberen Brückenteils (2) freigegeben werden, und die beiden aneinandergefügten Brückenteile (2, 3) anschließend relativ um Balken (43) in eine Stellung gebracht werden können, in der die vorderen Förderachsen (74) des unteren Brückenteils (3) mit den beiden Haken (93) verriegelbar sind, die Antriebsketten (64) nach Entriegelung der Gabelelemente (72) vom vorderen Bereich des unteren Brückenteils (3) angesteuert werden, um die Gabelelemente (72) in eine Verriegelungsstellung im hinteren Bereich des unteren Brückenteils (3) zu bringen, wobei die beiden Brückenteile (2, 3) relativ zum Balken (43) durch die beiden Antriebsketten (64) zurückgeführt werden können, und die beiden Haken (93) so betätigbar sind, daß die vorderen Förderachsen (74) des unteren Brückenteils (3) von den beiden Haken (93) freigegeben werden, wobei die Tragplatte (45) verschwenkbar ist, um das freie Ende der aneinandergefügten Brückenteile (2, 3) an den dem Fahrzeug (1) gegenüberliegenden Grabenrand zu setzen, wobei der Balken (43) in die hintere Ablegestellung der Brückenteile (2, 3) bringbar ist, die relativ zum Balken (43) in eine Stellung verlagerbar sind, in der die hinteren Förderachsen (74) des unteren Brückenteils (3) in die beiden Haken (93) einhängbar sind, welche so betätigbar sind, daß das Ablegen der aneinandergefügten Brückenteile (2, 3) an den Grabenrand auf der Seite des Fahrzeugs (1) gewährleistet ist.
EP95202050A 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug Expired - Lifetime EP0685599B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9114116 1991-11-15
FR9114116A FR2683837B1 (fr) 1991-11-15 1991-11-15 Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transport et de depose de la structure.
EP92403071A EP0543711B1 (de) 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP92403071A Division EP0543711B1 (de) 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge
EP92403071.1 Division 1992-11-13

Publications (2)

Publication Number Publication Date
EP0685599A1 EP0685599A1 (de) 1995-12-06
EP0685599B1 true EP0685599B1 (de) 2000-01-19

Family

ID=9418995

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92403071A Expired - Lifetime EP0543711B1 (de) 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge
EP95202050A Expired - Lifetime EP0685599B1 (de) 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP92403071A Expired - Lifetime EP0543711B1 (de) 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge

Country Status (7)

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US (1) US5363527A (de)
EP (2) EP0543711B1 (de)
AT (2) ATE140048T1 (de)
DE (2) DE69211960T2 (de)
FR (1) FR2683837B1 (de)
HK (1) HK1002711A1 (de)
SG (2) SG49052A1 (de)

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DE4423895C2 (de) * 1994-07-08 1999-07-29 Man Technologie Gmbh Brückenelement für leichte Belastungen
FR2737513B1 (fr) * 1995-08-02 1997-10-10 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transfert et de depose d'une telle structure
FR2737512B1 (fr) * 1995-08-02 1997-10-10 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules
US5915423A (en) * 1997-05-27 1999-06-29 Williams Fairey Engineering Limited Bridge construction
DE102004049969B8 (de) * 2004-10-14 2006-03-23 Military Mobile Bridges Gmbh Modulare Scherenbrücke sowie Verlegeeinrichtung und Verfahren zum Verlegen zerlegbarer Brücken
FR2889213B1 (fr) * 2005-07-27 2007-09-07 Mediterranee Const Ind Systeme de transport d'une travure par un vehicule routier pouvant etre transforme en vehicule amphibie pour permettre a tout vehicule routier de franchir une breche seche ou remplie d'eau
DE102005054202B3 (de) * 2005-11-14 2007-04-19 Siemens Ag Serielles Bussystem, Teilnehmervorrichtung und an die Teilnehmervorrichtung anschließbare Eingabe-/Ausgabekarte
DE102006018794A1 (de) * 2006-04-22 2007-10-25 Kraus-Maffei Wegmann Gmbh & Co. Kg Verfahren und Vorrichtung zum Verlegen eines Brückenelements
DE102007041579B4 (de) * 2007-09-01 2009-07-30 General Dynamics Santa Bárbara Sistemas GmbH Anbauvorrichtung zum Transportieren und Verlegen von militärischen Brücken
US10662594B1 (en) * 2016-09-27 2020-05-26 Brian J. Lafoy Bridge rehabilitation system
DE102017100815A1 (de) * 2017-01-17 2018-07-19 Krauss-Maffei Wegmann Gmbh & Co. Kg Brückenverlegeeinrichtung zum Verlegen einer insbesondere einteiligen Brücke
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FR2495657A1 (fr) * 1980-08-21 1982-06-11 France Etat Dispositif automatique d'assemblage a clin de deux elements de ponts et element de pont le comportant
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Also Published As

Publication number Publication date
EP0543711B1 (de) 1996-07-03
FR2683837A1 (fr) 1993-05-21
FR2683837B1 (fr) 1994-02-11
DE69211960T2 (de) 1997-02-20
HK1002711A1 (en) 1998-09-11
DE69230593T2 (de) 2000-05-31
US5363527A (en) 1994-11-15
ATE189020T1 (de) 2000-02-15
ATE140048T1 (de) 1996-07-15
SG49052A1 (en) 1998-05-18
EP0685599A1 (de) 1995-12-06
EP0543711A1 (de) 1993-05-26
DE69211960D1 (de) 1996-08-08
SG77553A1 (en) 2001-01-16
DE69230593D1 (de) 2000-02-24

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