EP2604970B1 - Armoured vehicle protected against explosive devices - Google Patents

Armoured vehicle protected against explosive devices Download PDF

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Publication number
EP2604970B1
EP2604970B1 EP12196608.9A EP12196608A EP2604970B1 EP 2604970 B1 EP2604970 B1 EP 2604970B1 EP 12196608 A EP12196608 A EP 12196608A EP 2604970 B1 EP2604970 B1 EP 2604970B1
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EP
European Patent Office
Prior art keywords
axle
stirrup
vehicle body
vehicle according
vehicle
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EP12196608.9A
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German (de)
French (fr)
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EP2604970A1 (en
Inventor
Philippe Gras
Vincent Desormiere
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Nexter Systems SA
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Nexter Systems SA
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Publication date
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Priority to PL12196608T priority Critical patent/PL2604970T3/en
Publication of EP2604970A1 publication Critical patent/EP2604970A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • F41H7/042—Floors or base plates for increased land mine protection

Definitions

  • the technical field of the invention is that of armored vehicles and their protection against explosions of mines or improvised explosive devices.
  • ventral vehicle protection comprising a concave plate connected to the vehicle body by inclined sidewalls.
  • the vehicle axles are attached to the side plates which are welded to the vehicle body and pass through openings.
  • the object of the invention is to propose an armored vehicle architecture in which a protection with respect to the projection of the mobility elements as a result of the initiation of an explosive device, under or near the vehicle, is ensured, without increasing the weight of the vehicle, nor substantially altering its ground clearance.
  • the subject of the invention is an armored vehicle comprising a passenger compartment body connected to mobility means comprising at least two axles, the axles being connected to the body by at least one axle support which is made in the form of a bowl disposed above an axle and having a center plate attached to the axle and extended by lateral edges which extend substantially vertically between the axle and the body, each side edge carrying at one end at least one connecting lug which extends laterally to the central plate and which is fixed at its end to the body at a point of attachment, the connecting lugs being arranged below and at a distance from the bottom of the body, in order to allow deformation of the connecting lugs without impact of the support on the bottom of the body.
  • the lateral edges of the bowl are stiffened relative to the central plate by welded reinforcements.
  • the bowl may be made in the form of a folded sheet forming the central plate, the side edges and the connecting lugs.
  • the armored vehicle according to the invention may include an axle support at each axle.
  • each axle support may comprise a lower yoke which will be disposed between the bowl and the axle, yoke which is secured to the connecting tabs at the attachment points and which is arranged below chassis beams.
  • the beams of the frame may be arranged between the stirrup and the bowl, a space being arranged between the stirrup and each beam to allow deformation of the stirrup.
  • the center plate of the bowl will be applied against a medial wall of the stirrup.
  • the figure 1 shows schematically the lower part of a vehicle 1 which comprises a body 2 forming a cabin for a crew.
  • This body 2 is connected to a chassis 10 carrying mobility means which here comprise at least two axles 3, each carrying two wheels 4.
  • the chassis 10 is constituted in part by two beams 9 which are connected to each other by transverse longitudinal members 11 (not shown in this figure but visible in FIG. figure 2 ).
  • a single axle 3 is shown on the figure 1 in the form of a block 3a, enclosing for example a differential.
  • the axle 3 is connected to the beams 9 of the chassis 10 as well as to the body 2 by at least one axle support 5.
  • This support 5 is made in the form of a bowl comprising a central plate 5a which is fixed to the axle 3 by bolted studs 6.
  • the plate 5a is extended by lateral edges 5b which extend substantially vertically between the axle 3 and the body 2.
  • Each side edge 5b carries at one upper end at least one connecting lug 7 which extends laterally. to the median plate 5a and which is fixed at its end to the box 2 and the beam 9, at a point of attachment 8.
  • the connecting lug 7 is thus supported on the beam 9 of the frame 10.
  • the attachment point 8 is for example constituted by bolts (of which only the axis is shown) which extend through the beam 9 and from the leg 7 to a block 8a secured to the body 2.
  • the connecting lugs 7 are arranged at a distance d from the bottom 2a of the body 2 and they each comprise a substantially horizontal portion between the attachment point 8 and the lateral edge 5b of the bowl 5.
  • each bowl 5 is disposed above an axle 3 and covers a block 3a (for example a differential).
  • the differentials 3a are connected by a shaft 12.
  • the figure 2 also allows to see the tabs 7 of each bowl 5 resting on the beams 9.
  • Each cuvette 5 is made in the form of a folded sheet which forms the median plate 5a, the lateral edges 5b and the connecting tabs 7.
  • each bowl 5 has its lateral edges 5b stiffened by relative to the medial plate 5a by reinforcements 13 which are welded to the folded plate.
  • FIG 1 Diagrammatically shown in figure 1 an explosive device 14 disposed below the axle 3.
  • the figure 3 shows the vehicle 1 according to the invention after explosion of the machine 14.
  • the effect of the blast 15 generated by the explosive device causes a vertical displacement of the axle 3 towards the body 2.
  • the connecting lugs 7 are deformed by the shock and bend.
  • the bowl 5 moves to the body 2 without impacting the latter.
  • the invention thus makes it possible to define a relatively simple way a vehicle whose resistance to mine breaths is improved. This reinforcement is provided without significant increase in the ground clearance of the vehicle.
  • the characteristics of resistance and deformation of the bowl 5 are determined in particular by the dimensioning of the connecting lugs 7 and that of the reinforcements.
  • the welded reinforcements 13 make it possible to reduce the deformation of the body of the bowl 5.
  • the deformations are then localized at the level of the tabs 7.
  • the tabs 7 being at a distance from the bottom 2a of the box 2, their deformation occurs without mechanical interference with the checkout 2.
  • the connecting lugs 7 here comprise a substantially horizontal portion between the attachment point 8 and the lateral edge 5b of the dish 5.
  • the lugs could be inclined, for example upwards, between the lateral edge 5b and the attachment point 8. Such a variant will however increase the ground clearance of the vehicle.
  • the figures 4 and 5 show another embodiment of the vehicle according to the invention. These figures are half-views. The various elements represented are symmetrical with respect to the vertical plane 18.
  • this vehicle comprises at least one axle support 5 made in the form of a bowl and disposed above each axle.
  • each axle support also comprises a lower yoke 16 which is disposed between the bowl 5 and the axle 3.
  • the yoke 16 is secured to the connecting lugs 7 at the attachment points 8 to the box 2.
  • This yoke 16 is made in the form of a folded sheet metal plate, which has substantially the same width as the bowl 5 , and which has a medial wall 16a which is applied against the central plate 5a of the bowl 5.
  • the medial wall 16a is extended on each side by a wing 16b which is perpendicular to the medial wall 16a and which ends with a fold 16c which is applied against the connecting lug 7 at the point of attachment 8.
  • the stirrup 16 is located below the beams 9 of the frame. Each beam 9 is thus trapped in a volume 17 defined by the bowl 5 and the stirrup 16.
  • the median wall 16a of the stirrup 16 is disposed at a distance from the beam 9.
  • a space e is thus arranged between the stirrup 16 and each beam 9. This space makes it possible to allow a deformation of the stirrup 16 like this will be described later.
  • the bowl 5 is also fixed to each beam 9 by a connecting means 9a (screw or bolt) whose only axis is shown in FIG. figure 4 .
  • the connecting lugs 7 are arranged at a distance d from the bottom 2a of the body 2.
  • the figure 5 shows the vehicle 1 after explosion of an explosive device 14 under the axle 3.
  • the effect of the breath causes a vertical displacement of the axle 3 towards the body 2.
  • the connecting lugs 7 are deformed by the shock and bend. Furthermore the stirrup 16 is also deformed and its median wall 16a also flexes between the wings 16b and the fixing studs 6. The medial wall 16a is stopped in its deformation by the beams 9. The bowl 5 moves towards the body 2 and the energy of the impact is absorbed both by the deformation of the connecting lugs 7 and by that of the stirrup 16.
  • This embodiment makes it possible, with a reduced vertical space requirement, to further increase the absorption capacities. deformations. Moreover, the abutment effect of the beams 9 secures the device by preventing any impact of the bowl 5 against the floor 2a of the box.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Description

Le domaine technique de l'invention est celui des véhicules blindés et de leur protection vis à vis des explosions de mines ou d'engins explosifs improvisés.The technical field of the invention is that of armored vehicles and their protection against explosions of mines or improvised explosive devices.

Les mines, et en particulier les mines à effet de souffle ainsi que les engins explosifs improvisés constituent aujourd'hui une des menaces principales des véhicules blindés sur le champ de bataille.Mines, especially blast mines and improvised explosive devices are now one of the main threats to armored vehicles on the battlefield.

Le souffle engendré par l'explosion d'un tel dispositif, à proximité ou en dessous de la caisse d'un véhicule, provoque des contraintes mécaniques extrêmement fortes entraînant la rupture du plancher de la caisse du véhicule et la projection violente des éléments de mobilité (essieux, ponts, différentiels...) contre ladite caisse.The blast generated by the explosion of such a device, near or below the body of a vehicle, causes extremely strong mechanical stresses resulting in the breaking of the floor of the vehicle body and the violent projection of the mobility elements. (axles, bridges, differentials ...) against said box.

Pour protéger la caisse du véhicule ainsi que les personnels qui l'occupent, il a été proposé de disposer des protections complémentaires ou blindages entre la caisse du véhicule et les moyens de mobilité.To protect the vehicle body as well as the personnel who occupy it, it has been proposed to have additional protections or shielding between the vehicle body and means of mobility.

Ces protections ont pour effet d'alourdir le véhicule.These protections have the effect of weighing down the vehicle.

Il a aussi été proposé par le brevet EP1921416 de prévoir une plaque de protection qui est reliée à la caisse du véhicule par des supports déformables. Une telle solution alourdit également le véhicule et a aussi pour effet de réduire la garde au sol du véhicule.It has also been proposed by the patent EP1921416 to provide a protection plate which is connected to the vehicle body by deformable supports. Such a solution also weighs down the vehicle and also has the effect of reducing the ground clearance of the vehicle.

On connaît aussi par le brevet EP1275928 une protection ventrale de véhicule comportant une plaque concave reliée à la caisse du véhicule par des parois latérales inclinées. Les essieux du véhicule sont fixés au niveau des plaques latérales qui sont soudées à la caisse du véhicule et qu'ils traversent au niveau d'ouvertures. Ainsi lors d'un choc lié à l'initiation d'une mine sous le véhicule, les essieux sont violemment projetés vers la caisse du véhicule sans le moindre amortissement.Also known by the patent EP1275928 a ventral vehicle protection comprising a concave plate connected to the vehicle body by inclined sidewalls. The vehicle axles are attached to the side plates which are welded to the vehicle body and pass through openings. Thus during a shock related to the initiation of a mine under the vehicle, the axles are violently projected towards the vehicle body without any depreciation.

L'invention a pour objet de proposer une architecture de véhicule blindé dans laquelle une protection vis à vis de la projection des éléments de mobilité comme suite à l'initiation d'un engin explosif, sous ou à proximité du véhicule, est assurée, sans pour autant alourdir le véhicule, ni modifier sensiblement sa garde au sol.The object of the invention is to propose an armored vehicle architecture in which a protection with respect to the projection of the mobility elements as a result of the initiation of an explosive device, under or near the vehicle, is ensured, without increasing the weight of the vehicle, nor substantially altering its ground clearance.

Ainsi l'invention a pour objet un véhicule blindé comportant une caisse formant habitacle reliée à des moyens de mobilité comportant au moins deux essieux, les essieux étant reliés à la caisse par au moins un support d'essieu qui est réalisé sous la forme d'une cuvette disposée au-dessus d'un essieu et comportant une plaque médiane fixée à l'essieu et prolongée par des bords latéraux qui s'étendent sensiblement verticalement entre l'essieu et la caisse, chaque bord latéral portant au niveau d'une extrémité supérieure au moins une patte de liaison qui s'étend latéralement à la plaque médiane et qui est fixée par son extrémité à la caisse au niveau d'un point d'attache, les pattes de liaison étant disposées en- dessous et à distance du fond de la caisse, cela afin de permettre une déformation des pattes de liaison sans impact du support sur le fond de la caisse.Thus, the subject of the invention is an armored vehicle comprising a passenger compartment body connected to mobility means comprising at least two axles, the axles being connected to the body by at least one axle support which is made in the form of a bowl disposed above an axle and having a center plate attached to the axle and extended by lateral edges which extend substantially vertically between the axle and the body, each side edge carrying at one end at least one connecting lug which extends laterally to the central plate and which is fixed at its end to the body at a point of attachment, the connecting lugs being arranged below and at a distance from the bottom of the body, in order to allow deformation of the connecting lugs without impact of the support on the bottom of the body.

Avantageusement, les bords latéraux de la cuvette sont rigidifiés par rapport à la plaque médiane par des renforts soudés.Advantageously, the lateral edges of the bowl are stiffened relative to the central plate by welded reinforcements.

La cuvette pourra être réalisée sous la forme d'une tôle pliée formant la plaque médiane, les bords latéraux et les pattes de liaison.The bowl may be made in the form of a folded sheet forming the central plate, the side edges and the connecting lugs.

Le véhicule blindé selon l'invention pourra comporter un support d'essieu au niveau de chaque essieu.The armored vehicle according to the invention may include an axle support at each axle.

Selon un autre mode de réalisation, chaque support d'essieu pourra comporter un étrier inférieur qui sera disposé entre la cuvette et l'essieu, étrier qui est solidaire des pattes de liaison au niveau des points d'attache et qui est disposé en dessous de poutres du châssis.According to another embodiment, each axle support may comprise a lower yoke which will be disposed between the bowl and the axle, yoke which is secured to the connecting tabs at the attachment points and which is arranged below chassis beams.

Les poutres du châssis pourront être disposées entre l'étrier et la cuvette, un espace étant aménagé entre l'étrier et chaque poutre pour autoriser une déformation de l'étrier.The beams of the frame may be arranged between the stirrup and the bowl, a space being arranged between the stirrup and each beam to allow deformation of the stirrup.

La plaque médiane de la cuvette sera appliquée contre une paroi médiane de l'étrier.The center plate of the bowl will be applied against a medial wall of the stirrup.

D'autres avantages de l'invention apparaîtront à la lecture de la description qui va suivre d'un mode particulier de réalisation, description faite en référence aux dessins annexés et dans lesquels :

  • la figure 1 est une vue schématique en coupe d'un véhicule selon un mode de réalisation de l'invention, coupe réalisée au niveau d'un essieu,
  • la figure 2 est une vue de dessus d'un châssis d'un véhicule selon l'invention comportant deux essieux,
  • la figure 3 est une vue analogue à la figure 1 montrant le véhicule comme suite à l'initiation d'un engin explosif,
  • la figure 4 une vue schématique en demi-coupe d'un véhicule selon un autre mode de réalisation de l'invention, coupe réalisée au niveau d'un essieu,
  • la figure 5 est une vue analogue à la figure 4 montrant le véhicule comme suite à l'initiation d'un engin explosif.
Other advantages of the invention will appear on reading the following description of a particular embodiment, a description given with reference to the accompanying drawings and in which:
  • the figure 1 is a schematic sectional view of a vehicle according to an embodiment of the invention, cut made at an axle,
  • the figure 2 is a top view of a chassis of a vehicle according to the invention comprising two axles,
  • the figure 3 is a view similar to the figure 1 showing the vehicle as a result of the initiation of an explosive device,
  • the figure 4 a schematic view in half-section of a vehicle according to another embodiment of the invention, cut made at an axle,
  • the figure 5 is a view similar to the figure 4 showing the vehicle as a result of the initiation of an explosive device.

La figure 1 montre de façon schématique la partie inférieure d'un véhicule 1 qui comporte une caisse 2 formant habitacle pour un équipage. Cette caisse 2 est reliée à un châssis 10 portant des moyens de mobilité qui comprennent ici au moins deux essieux 3, portant chacun deux roues 4.The figure 1 shows schematically the lower part of a vehicle 1 which comprises a body 2 forming a cabin for a crew. This body 2 is connected to a chassis 10 carrying mobility means which here comprise at least two axles 3, each carrying two wheels 4.

Le châssis 10 est constitué en partie par deux poutres 9 qui sont reliées l'une à l'autre par des longerons transversaux 11 (non représentés sur cette figure mais visibles à la figure 2).The chassis 10 is constituted in part by two beams 9 which are connected to each other by transverse longitudinal members 11 (not shown in this figure but visible in FIG. figure 2 ).

Un seul essieu 3 est représenté sur la figure 1 sous la forme d'un bloc 3a, renfermant par exemple un différentiel. L'essieu 3 est relié aux poutres 9 du châssis 10 ainsi qu'à la caisse 2 par au moins un support d'essieu 5.A single axle 3 is shown on the figure 1 in the form of a block 3a, enclosing for example a differential. The axle 3 is connected to the beams 9 of the chassis 10 as well as to the body 2 by at least one axle support 5.

Ce support 5 est réalisé sous la forme d'une cuvette comportant une plaque médiane 5a qui est fixée à l'essieu 3 par des plots 6 boulonnés. La plaque 5a est prolongée par des bords latéraux 5b qui s'étendent sensiblement verticalement entre l'essieu 3 et la caisse 2. Chaque bord latéral 5b porte au niveau d'une extrémité supérieure au moins une patte de liaison 7 qui s'étend latéralement à la plaque médiane 5a et qui est fixée par son extrémité à la caisse 2 ainsi qu'à la poutre 9, au niveau d'un point d'attache 8.This support 5 is made in the form of a bowl comprising a central plate 5a which is fixed to the axle 3 by bolted studs 6. The plate 5a is extended by lateral edges 5b which extend substantially vertically between the axle 3 and the body 2. Each side edge 5b carries at one upper end at least one connecting lug 7 which extends laterally. to the median plate 5a and which is fixed at its end to the box 2 and the beam 9, at a point of attachment 8.

La patte de liaison 7 est ainsi en appui sur la poutre 9 du châssis 10. Le point d'attache 8 est par exemple constitué par des boulons (dont seul l'axe est représenté) qui s'étendent au travers de la poutre 9 et de la patte 7 jusqu'à un bloc 8a solidaire de la caisse 2.The connecting lug 7 is thus supported on the beam 9 of the frame 10. The attachment point 8 is for example constituted by bolts (of which only the axis is shown) which extend through the beam 9 and from the leg 7 to a block 8a secured to the body 2.

Comme on le voit sur la figure 1, les pattes de liaison 7 sont disposées à une distance d du fond 2a de la caisse 2 et elles comportent chacune une portion sensiblement horizontale entre le point d'attache 8 et le bord latéral 5b de la cuvette 5.As we see on the figure 1 , the connecting lugs 7 are arranged at a distance d from the bottom 2a of the body 2 and they each comprise a substantially horizontal portion between the attachment point 8 and the lateral edge 5b of the bowl 5.

La figure 2 montre partiellement et de dessus les poutres 9 du châssis ainsi que deux cuvettes 5. La caisse et les roues ne sont pas visibles sur la figure 2. On remarque que chaque cuvette 5 est disposée au-dessus d'un essieu 3 et couvre un bloc 3a (par exemple un différentiel). Les différentiels 3a sont reliés par un arbre 12.The figure 2 shows partially and from above the beams 9 of the frame and two bowls 5. The body and the wheels are not visible on the figure 2 . Note that each bowl 5 is disposed above an axle 3 and covers a block 3a (for example a differential). The differentials 3a are connected by a shaft 12.

La figure 2 permet aussi de voir les pattes 7 de chaque cuvette 5 en appui sur les poutres 9.The figure 2 also allows to see the tabs 7 of each bowl 5 resting on the beams 9.

Chaque cuvette 5 est réalisée sous la forme d'une tôle pliée qui forme la plaque médiane 5a, les bords latéraux 5b et les pattes de liaison 7.Each cuvette 5 is made in the form of a folded sheet which forms the median plate 5a, the lateral edges 5b and the connecting tabs 7.

On remarque par ailleurs sur les figures 1 et 2 que chaque cuvette 5 a ses bords latéraux 5b rigidifiés par rapport à la plaque médiane 5a par des renforts 13 qui sont soudés à la plaque pliée.We also note on the Figures 1 and 2 that each bowl 5 has its lateral edges 5b stiffened by relative to the medial plate 5a by reinforcements 13 which are welded to the folded plate.

On a représenté schématiquement à la figure 1 un engin explosif 14 disposé en dessous de l'essieu 3. La figure 3 montre le véhicule 1 selon l'invention après explosion de l'engin 14. L'effet du souffle 15 engendré par l'engin explosif provoque un déplacement vertical de l'essieu 3 vers la caisse 2.Diagrammatically shown in figure 1 an explosive device 14 disposed below the axle 3. The figure 3 shows the vehicle 1 according to the invention after explosion of the machine 14. The effect of the blast 15 generated by the explosive device causes a vertical displacement of the axle 3 towards the body 2.

Les pattes de liaison 7 sont déformées par le choc et fléchissent. La cuvette 5 se déplace donc vers la caisse 2 sans impacter cette dernière.The connecting lugs 7 are deformed by the shock and bend. The bowl 5 moves to the body 2 without impacting the latter.

L'énergie du choc et du souffle est en grande partie absorbée par la déformation des pattes de liaison 7.The energy of the shock and the breath is largely absorbed by the deformation of the connecting lugs 7.

On évite ainsi un impact violent de l'essieu 3 sur le fond de la caisse 2. L'invention permet donc de définir de façon relativement simple un véhicule dont la résistance aux souffles de mines est améliorée. Ce renforcement est assuré sans augmentation notable de la garde au sol du véhicule.This avoids a violent impact of the axle 3 on the bottom of the body 2. The invention thus makes it possible to define a relatively simple way a vehicle whose resistance to mine breaths is improved. This reinforcement is provided without significant increase in the ground clearance of the vehicle.

Les caractéristiques de résistance et de déformation de la cuvette 5 sont déterminées notamment par les dimensionnement des pattes de liaison 7 ainsi que par celle des renforts.The characteristics of resistance and deformation of the bowl 5 are determined in particular by the dimensioning of the connecting lugs 7 and that of the reinforcements.

Les renforts soudés 13 permettent de réduire la déformation du corps de la cuvette 5. Les déformations sont alors localisées au niveau des pattes 7. Les pattes 7 étant à distance du fond 2a de la caisse 2, leur déformation se produit sans interférences mécaniques avec la caisse 2.The welded reinforcements 13 make it possible to reduce the deformation of the body of the bowl 5. The deformations are then localized at the level of the tabs 7. The tabs 7 being at a distance from the bottom 2a of the box 2, their deformation occurs without mechanical interference with the checkout 2.

Les pattes de liaison 7 comportent ici une portion sensiblement horizontale entre le point d'attache 8 et le bord latéral 5b de la cuvette 5. A titre de variante les pattes pourraient être inclinées, par exemple vers le haut, entre le bord latéral 5b et le point d'attache 8. Une telle variante augmentera cependant la garde au sol du véhicule.The connecting lugs 7 here comprise a substantially horizontal portion between the attachment point 8 and the lateral edge 5b of the dish 5. As a variant, the lugs could be inclined, for example upwards, between the lateral edge 5b and the attachment point 8. Such a variant will however increase the ground clearance of the vehicle.

Les figures 4 et 5 montrent un autre mode de réalisation du véhicule selon l'invention. Ces figures sont des demi-vues. Les différents éléments représentés sont symétriques par rapport au plan vertical 18.The figures 4 and 5 show another embodiment of the vehicle according to the invention. These figures are half-views. The various elements represented are symmetrical with respect to the vertical plane 18.

Comme le précédent ce véhicule comporte au moins un support 5 d'essieu réalisé sous la forme d'une cuvette et disposé au-dessus de chaque essieu.Like the previous one, this vehicle comprises at least one axle support 5 made in the form of a bowl and disposed above each axle.

Ce mode diffère du précédent en ce que chaque support d'essieu comporte également un étrier inférieur 16 qui est disposé entre la cuvette 5 et l'essieu 3.This mode differs from the previous one in that each axle support also comprises a lower yoke 16 which is disposed between the bowl 5 and the axle 3.

L'étrier 16 est solidaire des pattes de liaison 7 au niveau des points d'attache 8 à la caisse 2. Cet étrier 16 est réalisé sous la forme d'une plaque de tôle pliée, qui a sensiblement la même largeur que la cuvette 5, et qui comporte une paroi médiane 16a qui est appliquée contre la plaque médiane 5a de la cuvette 5. La paroi médiane 16a est prolongée de chaque côté par une aile 16b qui est perpendiculaire à la paroi médiane 16a et qui se termine par un repli 16c qui est appliqué contre la patte de liaison 7 au niveau du point d'attache 8.The yoke 16 is secured to the connecting lugs 7 at the attachment points 8 to the box 2. This yoke 16 is made in the form of a folded sheet metal plate, which has substantially the same width as the bowl 5 , and which has a medial wall 16a which is applied against the central plate 5a of the bowl 5. The medial wall 16a is extended on each side by a wing 16b which is perpendicular to the medial wall 16a and which ends with a fold 16c which is applied against the connecting lug 7 at the point of attachment 8.

L'étrier 16 se trouve disposé en dessous des poutres 9 du châssis. Chaque poutre 9 se trouve ainsi emprisonnée dans un volume 17 délimité par la cuvette 5 et l'étrier 16.The stirrup 16 is located below the beams 9 of the frame. Each beam 9 is thus trapped in a volume 17 defined by the bowl 5 and the stirrup 16.

Comme on le voit à la figure 4, la paroi médiane 16a de l'étrier 16 est disposée à distance de la poutre 9. Un espace e est ainsi aménagé entre l'étrier 16 et chaque poutre 9. Cet espace permet d'autoriser une déformation de l'étrier 16 comme cela va être décrit par la suite.As we see in figure 4 , the median wall 16a of the stirrup 16 is disposed at a distance from the beam 9. A space e is thus arranged between the stirrup 16 and each beam 9. This space makes it possible to allow a deformation of the stirrup 16 like this will be described later.

La cuvette 5 est également fixée à chaque poutre 9 par un moyen de liaison 9a (vis ou boulon) dont l'axe seul est représenté à la figure 4.The bowl 5 is also fixed to each beam 9 by a connecting means 9a (screw or bolt) whose only axis is shown in FIG. figure 4 .

La cuvette 5 et l'étrier 16 sont fixés ensemble à l'essieu 3 au niveau des plots boulonnés 6.The bowl 5 and the stirrup 16 are fixed together with the axle 3 at the level of the bolted blocks 6.

Comme dans le mode de réalisation précédent, les pattes de liaison 7 sont disposées à une distance d du fond 2a de la caisse 2.As in the previous embodiment, the connecting lugs 7 are arranged at a distance d from the bottom 2a of the body 2.

La figure 5 montre le véhicule 1 après explosion d'un engin explosif 14 sous l'essieu 3. L'effet du souffle provoque un déplacement vertical de l'essieu 3 vers la caisse 2.The figure 5 shows the vehicle 1 after explosion of an explosive device 14 under the axle 3. The effect of the breath causes a vertical displacement of the axle 3 towards the body 2.

Les pattes de liaison 7 sont déformées par le choc et fléchissent. Par ailleurs l'étrier 16 est également déformé et sa paroi médiane 16a fléchit également entre les ailes 16b et les plots de fixation 6. La paroi médiane 16a est arrêtée dans sa déformation par les poutres 9. La cuvette 5 se déplace vers la caisse 2 et l'énergie du choc est absorbée à la fois par la déformation des pattes de liaison 7 et par celle de l'étrier 16. Ce mode de réalisation permet, avec un encombrement vertical réduit, d'accroître encore plus les capacités d'absorption des déformations. Par ailleurs l'effet de butée des poutres 9 sécurise le dispositif en interdisant tout impact de la cuvette 5 contre le plancher 2a de la caisse.The connecting lugs 7 are deformed by the shock and bend. Furthermore the stirrup 16 is also deformed and its median wall 16a also flexes between the wings 16b and the fixing studs 6. The medial wall 16a is stopped in its deformation by the beams 9. The bowl 5 moves towards the body 2 and the energy of the impact is absorbed both by the deformation of the connecting lugs 7 and by that of the stirrup 16. This embodiment makes it possible, with a reduced vertical space requirement, to further increase the absorption capacities. deformations. Moreover, the abutment effect of the beams 9 secures the device by preventing any impact of the bowl 5 against the floor 2a of the box.

Claims (7)

  1. An armored vehicle (1) comprising a vehicle body (2) forming a passenger compartment connected to mobility means comprising at least two axles (3), the axles (3) being connected to the vehicle body (2) by at least one axle support (5) which is formed as a U-shaped profile arranged above an axle and comprising a middle plate (5a) attached to the axle and extended by side edges (5b) which extend substantially vertically between the axle (3) and the vehicle body (2), each side edge bearing at an upper end at least one connecting tab (7) which extends laterally with respect to the middle plate (5a) and which is attached by its end to the vehicle body (2) at an attachment point (8), the connecting tabs (7) being arranged below and spaced from the bottom (2a) of the vehicle body (2), thereby allowing a deformation of the connecting tabs (7) without impacting the support (5) on the bottom (2a) of the vehicle body.
  2. The armored vehicle according to claim 1, characterized in that the side edges (5b) are rigidified with respect to the middle plate (5a) by welded reinforcements (13).
  3. The armored vehicle according to one of claims 1 or 2, characterized in that the U-shaped profile (5) is formed as a folded sheet forming the middle plate (5a), the side edges (5b) and the connecting tabs (7).
  4. The armored vehicle according to one of claims 1 to 3, characterized in that it comprises an axle support (5) at each axle (3).
  5. The armored vehicle according to one of claims 1 to 4, characterized in that each axle support (5) comprises a lower stirrup (16) which is arranged between the U-shaped profile (5) and the axle (3), the stirrup (16) being secured to the connecting tabs (7) at the attachment points (8) and being arranged below beams (9) of the chassis.
  6. The armored vehicle according to claim 5, characterized in that the beams (9) of the chassis are arranged between the stirrup (16) and the U-shaped profile (5), a gap (e) being provided between the stirrup (16) and each beam (9) to allow a deformation of the stirrup (16).
  7. The armored vehicle according to one of claims 5 or 6, characterized in that the middle plate (5a) of the U-shaped profile (5) is applied against a middle wall (16a) of the stirrup (16).
EP12196608.9A 2011-12-16 2012-12-11 Armoured vehicle protected against explosive devices Active EP2604970B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12196608T PL2604970T3 (en) 2011-12-16 2012-12-11 Armoured vehicle protected against explosive devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103915A FR2984482B1 (en) 2011-12-16 2011-12-16 ARMORED VEHICLE PROTECTS FROM EXPLOSIVE DEVICES

Publications (2)

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EP2604970A1 EP2604970A1 (en) 2013-06-19
EP2604970B1 true EP2604970B1 (en) 2015-03-11

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EP12196608.9A Active EP2604970B1 (en) 2011-12-16 2012-12-11 Armoured vehicle protected against explosive devices

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US (1) US8844970B2 (en)
EP (1) EP2604970B1 (en)
CA (1) CA2800043C (en)
DK (1) DK2604970T3 (en)
ES (1) ES2534602T3 (en)
FR (1) FR2984482B1 (en)
PL (1) PL2604970T3 (en)

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CN109017996A (en) * 2018-07-28 2018-12-18 襄阳晟欣机电有限公司 A kind of Mining anti-explosion trackless rubber tire vehicle chassis

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EP3104113A1 (en) 2014-07-29 2016-12-14 Santa Bárbara Sistemas, S.A. Suspended perforated floor for armored vehicles
US10054402B2 (en) * 2015-03-24 2018-08-21 Applied Research Associates, Inc. Energy absorbing structures for underbody blast protein
FR3048945B1 (en) * 2016-03-18 2018-03-02 Nexter Systems VEHICLE COMPRISING A MECHANICAL MEMBER HAVING BELOW A FLOOR

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Publication number Priority date Publication date Assignee Title
CN109017996A (en) * 2018-07-28 2018-12-18 襄阳晟欣机电有限公司 A kind of Mining anti-explosion trackless rubber tire vehicle chassis
CN109017996B (en) * 2018-07-28 2019-09-10 襄阳晟欣机电有限公司 A kind of Mining anti-explosion trackless rubber tire vehicle chassis

Also Published As

Publication number Publication date
CA2800043C (en) 2018-05-22
US8844970B2 (en) 2014-09-30
FR2984482B1 (en) 2014-12-12
FR2984482A1 (en) 2013-06-21
PL2604970T3 (en) 2015-08-31
EP2604970A1 (en) 2013-06-19
ES2534602T3 (en) 2015-04-24
DK2604970T3 (en) 2015-06-01
CA2800043A1 (en) 2013-06-16
US20130264808A1 (en) 2013-10-10

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