EP0731218B1 - Dispositif de maintien d'un pont sur un véhicule de transport - Google Patents
Dispositif de maintien d'un pont sur un véhicule de transport Download PDFInfo
- Publication number
- EP0731218B1 EP0731218B1 EP19960400372 EP96400372A EP0731218B1 EP 0731218 B1 EP0731218 B1 EP 0731218B1 EP 19960400372 EP19960400372 EP 19960400372 EP 96400372 A EP96400372 A EP 96400372A EP 0731218 B1 EP0731218 B1 EP 0731218B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- assembly
- locking
- bridge
- elements
- bay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
Definitions
- the subject of the present invention is a device for maintaining the span of a bridge, in a transport position, at the rear of a vehicle, such as a chariot.
- These bridges rest, at their front part, on a deployment device for tilting the deck in the deployed position.
- Maintaining the rear part of these bridges is generally carried out, at the rear of the tank, so manually by devices such as chains, which require a long set-up time, and of which removal is hardly compatible with use operational, except using explosive bolts, which obviously have the major drawback of not be reusable.
- Document EP 0 362 065 A describes means of attachment which are intended to maintain a span during transport.
- a mobile assembly comprising a device indexing relative to the fixed assembly according to a plurality of transport positions, is not disclosed.
- the subject of the present invention is a holding device allowing a simplification of the locking operations of the rear part of the bridge in a transport position, and also allowing rapid unlocking compatible with rapid deployment of the bridge in conditions for operational use.
- the subject of the present invention is therefore a bridge holding device in a position of transport according to the features of claim 1.
- the locking device comprises advantageously a first and a second elements of connection, for example turnbuckles, which are articulated, to a first end, to the rod of the cylinder lock, and at a second end, respectively first and second locking elements pivoting cooperating with an edge of the span for the locking it.
- a first and a second elements of connection for example turnbuckles, which are articulated, to a first end, to the rod of the cylinder lock, and at a second end, respectively first and second locking elements pivoting cooperating with an edge of the span for the locking it.
- the first and second elements of swivel locks are arranged in the vicinity of a internal region of the bridge span and the lock includes first and second rods articulated, at a first end, at the second end of the first and second respectively connecting elements and, at a second end, respectively to a third and a fourth element pivoting locking devices, arranged in the vicinity of a outer edge of the span and cooperating therewith view of its locking.
- the displacement of the rod from one single locking cylinder ensures locking and unlocking functions span, and more particularly both of the part internal and external part of the span of each side of the bridge, i.e. four locking points.
- the third and the fourth rods also include a turnbuckle allowing in particular a backlash adjustment likely to exist in the locked position.
- the cylinder rod is advantageously vertical, and the first and second connecting elements are then inclined so as to form an articulated reference between the cylinder rod and locking elements.
- the first and second rods can be horizontal.
- the fixed support can include a region profiled having a recess in the vicinity of the housing so as to allow successive scrolling support elements in the vicinity of said housing.
- the mobile assembly comprises, according to a variant preferred, two lifting elements likely to be arranged above the internal edge of the span of such so that a pivoting forward of the span of the bridge under the action of the tilting cylinders of a device deployment of the bridge, causes the lifting of the mobile assembly.
- the holding device is likely to perform his duties without requiring the presence of other control elements than a cylinder.
- the device described below is more specially designed to keep in view of its transport the bridge n ° 10 which is of the scissor type or bridge n ° 12 which has two simple superimposed bridges, these bridges being marketed by the THOMPSON Company DEFENSE PROJECTS LIMITED, and also to ensure quick unlocking of these bridges for their deployment.
- the support system used on the device called "CHIEFTAIN" of the VICKERS Company includes a structure composed of different telescopic tubes of square section operated by two linear cylinders controlled by a hand pump located at outside of the vehicle. Immobilization of the span of the bridge that is to say of its load-bearing elements is carried out manually using chains and hooks. Unlocking is performed by an outside operator in peacetime, and using explosive bolts in wartime.
- the main faults of this system are a fully manual height adjustment, a long position change to be implemented and a unlocking not reusable in wartime.
- the rear support device according to the invention is capable of allowing adjustment in height, support and / or immobilization of these bridges in rear of the deck carrier tank body.
- a first embodiment, semi-automatic, of the device according to the invention, using a linear hydraulic cylinder, and not requiring modification of the span, includes a mechanism manual locking and automatic unlocking ordered from the inside.
- This semi-automatic mechanical assembly, arranged at the rear 4 of the tank 1, comprises two swivel sets relative to each other and which are articulated on the two rear supports 80 of box shackle.
- the first set or mobile set has three subsets.
- the first subset generates the position changes. It has a structure pivoting made from mechanically welded sections 82, 83 and 84.
- the second sub-assembly united in rotation of the first subset regroups the functions for supporting structures no.10 and no.12, indexing of different positions requested by each span and mounting rollers used for the motorization of the assembly.
- the third sub-assembly also united in rotation of the previous two allows locking and the unlocking of windows 10 and 12.
- the second set or fixed set is consisting of two supports, welded on the shutters 75 exhaust air from the tank 1 engine, which ensures support and indexing of the device.
- the first sub-assembly which is more particularly visible in FIGS. 7a and 7b comprises arms 82 and 83 which are welded at one end along a spar 84, and which converge at their other end in the vicinity of the axis d hinge 81 of the movable assembly, on the shackles 80, which means that the arms 82 and 83 and the spar 84 define two triangles.
- the first sub-assembly which also comprises three connection plates 87 with the second sub-assembly, is fixed to the rear supports 80 for lifting shackle of the tank of the tank 1.
- the second sub-assembly comprises four cylindrical supports 86 intended to support the cross-sections 8 of the bridges. These supports 86 are aligned along the same transverse axis.
- the second sub-assembly comprises an assembly of stiffening elements 120, 121, 125, the connecting plates 87 belonging to the first sub-assembly, ensuring the connection between the first and second sub-assemblies.
- the outermost supports 86 are held by pairs of profiles 130 while the two innermost supports 86 are housed between two vertical arms 122 used for indexing the support device, and at the top of these. As shown more particularly in Figures 4a , 5a and 6a , the indexing arms 122 have indexing holes 11, 12 and 13 corresponding to the three indexing positions provided, respectively in the low I, intermediate II and high III positions .
- the second set includes supports fixed 110 with two vertical arms, the part of which upper 107 is wider and connects to the rest of the report by an inclined profile 145 while the face upper arm 110 has notches 108 for housing the support elements 116 and 117 corresponding respectively to the high positions III and intermediate II whereas, in the low position I, this are the axis portions located at the two ends of the support roller 86 which are housed in the notches 108.
- the upper part 107 of the arms 110 has holes 15 for fixing elements indexing 115 using pins 119, so that fix the height indexing position.
- the holes 11 of the arms 122 are opposite the holes 15 and the ends of the two internal support rollers 86 are housed in the notches 108 (FIGS. 4 a and 4 b ).
- the holes 12 of the arms 122 are arranged opposite the holes 15 of the upper part 107 of the vertical arms 110 and the support element 117 is housed in the notches 108 of the upper part 107 of the arms 110 (see FIGS. 5 a and 5 b ).
- profile 145 to the part lower of head 107 of vertical arms 110 is allow, during the passage of the device between the low position I and high position III, scrolling up support elements 117 and 116.
- the third subset consists of a locking and unlocking system which is composed of four turnbuckles 91 and 92, a jack hydraulic 100 and four articulated pivots 93 and 94.
- This system is independent of the other functions of the adjustable rear support device but it's integral in rotation with the first and second sub-assemblies.
- the whole locking system / unlocking ensures fastening and release of the spans on the rear support device adjustable.
- turnbuckles 91 and 92 The function of turnbuckles 91 and 92 is to to obtain a preset and a tightening of the span of the bridge.
- the hydraulic cylinder 100 allows a automatic unlocking of doors 8 from inside the vehicle.
- the articulated pivots 93 and 94 have for function of tightening the span 8, under reserve adjustment of turnbuckles 91 and / or 92.
- the locking / unlocking device is more particularly represented in FIGS. 2, 4 a , 5 a , 6 a , 7 a and 7 b .
- the hydraulic cylinder 100 has a vertical cylinder rod 101 perpendicular to which is mounted a pin 102 oriented in a transverse direction relative to the span 8.
- Two turnbuckles 91 that is to say cylindrical elements allowing a length adjustment , inclined with respect to the horizontal, are articulated at their ends on the one hand at 103 at the ends of the axes 102 and on the other hand at 104 at the bottom of one of the two locking pivots 93 which can rotate around an axis of rotation 95 integral with the second sub-assembly and situated above the articulation 104.
- These pivots 93 each carry a locking finger 97 allowing a locking of an internal edge 160 of the span 8 of the bridge .
- a horizontal rod 106 carrying a turnbuckle 92 is articulated at 105 to the lower part of each pivot 93 and opposite to hinge pin 104.
- the other end of each of the two rods 106 carries a pivot 94 articulated at its part lower around an axis 96 and bearing to its part upper a locking finger 98 turned towards the interior so as to allow locking of external edges (not shown) of the span 8.
- the end of each of the rods 106 is connected to the pivot 94 by a hinge 109 located between the axis of rotation of the pivot 94, which is fixed relative to the first subset, and finger 98.
- the span 8 is locked the same way for both types of bridges.
- the span is unlocked simply by retracting the rod 101 of the jack 100. This action is automatic and takes place from inside the vehicle. The removal of span 8 is thus carried out without no outside intervention.
- the adjustable rear support device could be simplified by removing the two extensions 106 attached to the end of the pivots 93, the two turnbuckles 92 and the two external pivots 94 located on the system lock.
- Device position changes adjustable rear support can be performed as follows.
- Two rollers 99 are set up by rotation on their axis, which are mounted on a pivot integral with the first sub-assembly. These two rollers 99 are represented in FIGS. 7 a and 7 b in an inactive position where they are released from the internal edges 160 of the span 8, and in the other figures in an active position where, by rotation of 180 °, they are located above the internal edges 160 of the span 8.
- the two height indexing elements 115 are removed by removing the pins 119 and the tilt cylinders 21 of the deployment device are actuated.
- the span 8 then pivots forward, causing in its rotation the whole of the adjustable rear support device thanks to the rollers 99 previously placed in the active position.
- the presence of the profiled regions 145 of the arms 110 allows the rotation to take place automatically.
- the second sub-assembly is then indexed on the welded supports 110 by fitting elements 115 and pins 119 and the span 8 is again locked by actuating the jack 100. Finally, the turnbuckles 91 and 92 are adjusted in order to remove the games generated by the change of position.
- transition to the position corresponding to a bridge n ° 12 can be done in two ways.
- a second embodiment of the invention presents an automatic locking / unlocking system. It is shown in Figures 8 a and 8 b . It requires a modification of the span 8 which must indeed have slots 73 at its lower part 74.
- the locking and unlocking are ensured by two rotary linear jacks 70, carried by the third sub-assembly, and each having a rod 71 equipped with an end head 72.
- the jacks 70 thus replace the jack 100, the turnbuckles 91 and 92, and the articulated pivots 93 and 94.
- the rotation of the rod 71 of the jacks 70 makes it possible to orient the heads 72 beforehand introduced into the corresponding slots 73, according to an unlocking position ( Figure 8 a ), or a locking position ( Figure 8 b ).
- This locking / unlocking system also ensures, as before, the support of the span 8 on the cylindrical supports 86.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Bridges Or Land Bridges (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
- un premier sous-ensemble pivotant permettant le débattement de l'ensemble mobile entre lesdites positions de réglage ;
- un deuxième sous-ensemble solidaire en rotation du premier sous-ensemble, et comportant ledit dispositif d'indexage ;
- et un troisième sous-ensemble solidaire en rotation des deux premiers et comportant ledit dispositif de verrouillage.
et le dispositif d'indexage comporte :
- au moins un étrier mobile portant une pluralité d'éléments de support correspondant aux différentes positions de réglage,
- au moins un élément de fixation d'un élément de support sélectionné dans ledit logement.
- la Figure 1 représente une variante du dispositif de maintien du pont en partie arrière qui peut être actionné de manière semi-automatique, selon une variante préférée de réalisation de l'invention ;
- la Figure 2 représente en perspective un détail du dispositif de maintien arrière selon l'invention ;
- la Figure 3 illustre trois positions possibles réglables du dispositif de maintien arrière selon la présente invention ;
- les Figures 4a et 4b représentent respectivement en perspective et en vue de côté le positionnement du dispositif de maintien arrière pour un pont du type ciseau (pont n° 10 de THOMPSON DEFENSE PROJECTS LIMITED) ;
- les Figures 5a et 5b illustrent pour ledit pont n° 10 la disposition du dispositif de maintien arrière dans une configuration correspondant au terrain ;
- les Figures 6a et 6b correspondent au positionnement du dispositif de maintien arrière pour un pont n° 12 à deux travures superposées de TOMPSON DEFENCE PROJECTS LIMITED ; et
- les Figures 7a et 7b représentent deux vues en perspective du dispositif de maintien arrière selon l'invention ;
- et les Figures 8a et 8b représentent une variante, à verrouillage et déverrouillage automatique, du dispositif de maintien selon l'invention.
- deux équerres 30 pivotant autour d'un axe 10 solidaire de la partie supérieure avant du char 1 sous l'action de vérins de basculement 21 fixés, à une extrémité, à la tourelle 2 du char 1 et, à l'autre extrémité, à la partie arrière supérieure 38 des équerres 30;
- un patin 40 d'appui au sol pivotant autour d'un axe 49 solidaire des équerres 30 et animé par deux vérins de pivotement 22 dont une extrémité est reliée au somment d'un étrier respectif 26 s'étendant dans une direction générale perpendiculaire à la face d'appui 43 du patin 40 ;
- un poinçon 60 qui est une pièce de forme allongée pivotant autour d'un axe 65 solidaire du patin 40 et qui est arrimé par un vérin de poinçon 23.
Claims (12)
- Dispositif de maintien d'une travure d'un pont (8) à la partie arrière d'un véhicule (1) dans une position de transport, ledit dispositif comportant un ensemble fixe, et un ensemble mobile supporté par l'ensemble fixe et comportant un dispositif d'indexage (115,119) par rapport à l'ensemble fixe selon une pluralité de positions de transport pour le réglage du niveau de la travure (8) du pont à la partie arrière (4) du véhicule (1), et ledit dispositif comportant un dispositif de verrouillage (93,94) porté par l'ensemble mobile et comprenant un vérin de verrouillage (100) permettant sa commande entre une position de verrouillage et une position de déverrouillage de la travure du pont (8).
- Dispositif selon la revendication 1, caractérisé en ce que l'ensemble mobile comporte :un premier sous-ensemble pivotant permettant le débattement de l'ensemble mobile entre lesdites positions de réglage ;un deuxième sous-ensemble solidaire en rotation du premier sous-ensemble et comportant ledit dispositif d'indexage (115,119) ;et un troisième sous-ensemble solidaire en rotation des deux premiers et comportant ledit dispositif de verrouillage (93,94).
- Dispositif selon une des revendications 1 à 2, caractérisé en ce que le dispositif de verrouillage comporte un premier et un deuxième éléments de liaison (91) articulés, à une première extrémité, à la tige (101) du vérin de verrouillage (100) et, à une deuxième extrémité, respectivement à un premier et un deuxième éléments de verrouillage pivotants (93) coopérant avec un bord de la travure (8) en vue du verrouillage de celle-ci.
- Dispositif selon la revendication 3, caractérisé en ce que le vérin de verrouillage (100) est un vérin linéaire dont la tige (101) est verticale et en ce que le premier et le deuxième éléments de liaison (91) sont inclinés par rapport à l'horizontale.
- Dispositif selon une des revendications précédentes, caractérisé en ce qu'au moins un élément de liaison (91) est un ridoir réglable de manière à permettre un rattrapage du jeu susceptible d'exister en position de verrouillage.
- Dispositif selon une des revendications 3 à 5, caractérisé en ce que le premier et le deuxième éléments de verrouillage pivotants (93) sont disposés au voisinage d'un bord interne (160) de la travure (8) et en ce qu'il comporte une première et une deuxième tiges de liaison (106) articulées, à une première extrémité, à la deuxième extrémité respectivement du premier et du deuxième éléments de liaison (91) et, à une deuxième extrémité, respectivement à un troisième et un quatrième éléments de verrouillage pivotants (94) disposés au voisinage d'un bord externe de la travure (8) et coopérant avec celui-ci en vue de son verrouillage.
- Dispositif selon une des revendications 3 à 6, caractérisé en ce que la première et la deuxième tiges (106) comportent un ridoir réglable (92) de manière à permettre un rattrapage du jeu susceptible d'exister en position de verrouillage.
- Dispositif selon une des revendications précédentes, caractérisé en ce que l'ensemble fixe comporte au moins un support fixe (110) présentant un logement (108) d'un élément de support (86,116,117) et en ce que le dispositif d'indexage comporte :au moins un élément mobile (122) portant une pluralité d'éléments de support (86, 116, 117) correspondant aux différentes positions de réglage,au moins un élément de fixation (115) d'un élément de support sélectionné, dans ledit logement (108).
- Dispositif selon la revendication 8, caractérisé en ce que le support fixe (110) comporte une région profilée (145) présentant un décrochement au voisinage du logement de manière à permettre un défilement successif des éléments de support (86,116,117) au voisinage dudit logement (108).
- Dispositif selon une des revendications 8 ou 9, caractérisé en ce que l'ensemble mobile comporte deux éléments de relevage (99) susceptibles d'être disposés au-dessus de la région interne (160) de la travure (8), de telle sorte qu'un pivotement vers l'avant de la travure (8) du pont sous l'action de vérins de basculement (21) d'un dispositif de déploiement de pont porté par ledit véhicule, entraíne le relevage de l'ensemble mobile.
- Dispositif selon une des revendications 8 à 10, caractérisé en ce qu'il comporte des élingues (140) reliant le poinçon (60) dudit dispositif de déploiement à l'ensemble mobile, de manière à permettre le relevage de l'ensemble mobile sous l'action d'un vérin de poinçon (23) lorsque le véhicule ne porte pas de pont.
- Dispositif selon la revendication 2, caractérisé en ce que le dispositif de verrouillage comporte au moins un vérin linéaire rotatif (70) porté par le troisième sous-ensemble, et dont la tige (71) présente une tête d'extrémité (72) orientable en rotation entre une position de verrouillage et une position de déverrouillage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9502695 | 1995-03-08 | ||
FR9502695A FR2731448B1 (fr) | 1995-03-08 | 1995-03-08 | Disposition de maintien d'un pont sur un vehicule de transport |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0731218A1 EP0731218A1 (fr) | 1996-09-11 |
EP0731218B1 true EP0731218B1 (fr) | 2000-05-31 |
Family
ID=9476856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960400372 Expired - Lifetime EP0731218B1 (fr) | 1995-03-08 | 1996-02-23 | Dispositif de maintien d'un pont sur un véhicule de transport |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0731218B1 (fr) |
DE (1) | DE69608589T2 (fr) |
FR (1) | FR2731448B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2834524B1 (fr) | 2002-01-07 | 2004-10-22 | Giat Ind Sa | Systeme de pose d'un pont |
US7174591B2 (en) | 2003-01-22 | 2007-02-13 | Giat Industries | System for bridge-laying |
DE102007041579B4 (de) * | 2007-09-01 | 2009-07-30 | General Dynamics Santa Bárbara Sistemas GmbH | Anbauvorrichtung zum Transportieren und Verlegen von militärischen Brücken |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3535638A1 (de) * | 1985-10-05 | 1987-04-09 | Porsche Ag | Transportsicherung fuer eine kurzbruecke auf einem verlegefahrzeug |
FR2637301B1 (fr) * | 1988-09-30 | 1990-11-16 | France Etat Armement | Engin poseur de ponts du type comportant au moins deux travures superposees sur un chassis |
EP0563418A1 (fr) * | 1992-03-31 | 1993-10-06 | Krupp Industrietechnik Gmbh | Pont déplaçable et véhicule pour la pose du pont |
-
1995
- 1995-03-08 FR FR9502695A patent/FR2731448B1/fr not_active Expired - Fee Related
-
1996
- 1996-02-23 DE DE1996608589 patent/DE69608589T2/de not_active Expired - Fee Related
- 1996-02-23 EP EP19960400372 patent/EP0731218B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2731448B1 (fr) | 1997-06-06 |
DE69608589D1 (de) | 2000-07-06 |
FR2731448A1 (fr) | 1996-09-13 |
DE69608589T2 (de) | 2000-09-21 |
EP0731218A1 (fr) | 1996-09-11 |
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