EP1384969A2 - Dispositif de saisie de modules de charges propulsives - Google Patents
Dispositif de saisie de modules de charges propulsives Download PDFInfo
- Publication number
- EP1384969A2 EP1384969A2 EP20030291698 EP03291698A EP1384969A2 EP 1384969 A2 EP1384969 A2 EP 1384969A2 EP 20030291698 EP20030291698 EP 20030291698 EP 03291698 A EP03291698 A EP 03291698A EP 1384969 A2 EP1384969 A2 EP 1384969A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripping
- modules
- module
- arm
- transport device
- 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.)
- Granted
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
- F41A9/01—Feeding of unbelted ammunition
- F41A9/06—Feeding of unbelted ammunition using cyclically moving conveyors, i.e. conveyors having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke
- F41A9/09—Movable ammunition carriers or loading trays, e.g. for feeding from magazines
- F41A9/20—Movable ammunition carriers or loading trays, e.g. for feeding from magazines sliding, e.g. reciprocating
Definitions
- the technical field of the invention is that of devices for capturing and transporting modules propellant charges stored in a system store artillery.
- This input system has a complex structure and expensive. Moreover the spacing between the forks is fixed. This system can only work with propellant charge modules having a diameter well defined. It is unusable when the tolerances of manufacture of propellant charge modules are wide (greater than 2 mm of variation on the diameter).
- the device according to the invention is of structure simple and inexpensive. It allows to grab and carry reliably propellant charge modules while tolerant of significant dispersion over the diameter of load modules (this dispersion can be up to 3 mm or more).
- the subject of the invention is a device for capturing and transporting load modules propellants stored in a store, comprising gripping means carried by a movable support arm actuated by means of training to be able to penetrate inside the store and come to seize at least a module, device characterized in that the means of grasping comprises at least two spring blades arranged in look at each other and which delimit between them a receiving housing of a module, each blade spring having a concave profile intended to cooperate with the external cylindrical surface of the module to maintain the one this.
- the profile concave comprises two flat surfaces forming an angle obtuse.
- Each leaf spring may include a beak end, oriented so that when it comes into contact with a module when lowering the support arm in the store, the spring blade is deformed to come slide along the outer cylindrical surface of the module.
- Each spring blade can be shaped like a "U” comprising two branches.
- the capture and transport device comprises a device ejecting modules that is operated automatically when the support arm of the modules is positioned above a coach.
- the ejection device may comprise at least one mobile transverse pusher carried by the arm, which push is intended to cooperate with a cam profile disposed above of the breeder.
- the pusher may be integral with a bar longitudinal axis that is interposed between the arm and the modules, the movement of the pusher moving the bar that then pushes all the modules out of their reception accommodations.
- the device may comprise at least one stopper rod integral with the bar and having an enlarged head cooperating with the arm to ensure restraint of the bar when the arm is devoid of modules.
- the pusher may carry at least one rotary roller intended to cooperate with the cam profile.
- Propellant charge modules are globally cylindrical and made of a combustible material (eg example in cardboard). They are axially aligned in each row. Partitions 4 carry spacing shims 5 mounted next to each other within each compartment 3 (see Figure 5). These wedges allow to isolate each module inside a row. They also allow to create a space e between each module and the two partitions 4 delimiting each compartment 3.
- Each spacer 5 is constituted by a rail T-shaped vertical section and extending substantially over the entire height of the store 1. The rail has a base 5a whose thickness defines the width of each space e and a vertical rib 5b that makes protruding into compartment 3 to separate two modules 2 adjacent in a row.
- a device 6 allows the input of at least one module in one of the compartments of the store. These measures comprises an input means 7 which is carried by an arm mobile support 8. Compartments 3 are open at level of their rear part to allow the passage of the support arm 8.
- the support arm 8 is moved by means of training that allow him to penetrate inside from the store and that also allow him to move to a coach 9.
- the training means thus comprise a vertical lift 10 comprising a cage fixed to inside which slides a carriage carrying the arm 8.
- the lift truck is operated by a first motor gear 11 secured to the arm.
- This gearmotor drives a pinion that meshes with a fixed rack by compared to the elevator cage.
- the horizontal displacement of the arm 8 is controlled by a second gear motor 30 which carries a gear meshing on a rack integral with the upper rail 12.
- the coach 9 is not described or represented in details. This element aims to recover the modules of propulsive charge brought by the arm 8. It includes shutters (not shown) to select a certain number of modules to allow their transfer to the chamber of the weapon by means of introduction (no represent). This coach is not the subject of the present invention. It is described in detail in the patent application EP783094.
- the store 1 as well as the means of training are substantially identical to those described in the application for FR2764055 patent.
- the invention differs from the device described by this last request by the structure of the input means of modules which will be described with reference to Figures 2 to 4.
- FIG. 2 thus shows the arm 8 carrying six modules Propellant charge 2.
- the arm includes a support plate 15 which is attached to a rear square 16.
- the square 16 door at its rear side a trolley (no represented here) who is engaged in elevator 10 and allows the vertical sliding of the arm relative to store 1.
- each pair of spring blades delimits a housing allowing the reception of a module 2 propulsive charge.
- Each leaf spring 16 has a profile concave 18 which cooperates with the outer cylindrical surface of module 2 to maintain this one.
- This concave profile 18 is delimited by two surfaces planes 19a and 19b forming an obtuse angle.
- the angle and the profile of the spout 20 are chosen such that, when the spring blade 16 comes into contact with a module during the descent of the support arm 8 in the magazine 1, the spring blade is deformed to come slide along the outer cylindrical surface of module 2 and leave this one enter between spring blades 16.
- Spring blades will be made of spring steel and will have a thickness of the order of 2 mm.
- the module is securely maintained by the profiles concave 18.
- the input device according to the invention has an extremely simple structure. It ensures the gripping propellant charge modules by tolerating slight dimensional divergence in diameter (of the order of 3 mm).
- the input device comprises also a device allowing the ejection of the modules out of the arm when it is above coach 9.
- This ejection device comprises two pushers transverse 22 movable relative to the plate 15 of the arms.
- Each pusher comprises a prismatic finger 22 on which is rotatably mounted a roller 23.
- the finger 22 crosses the plate 15 through a light 24 and it is integral with a longitudinal bar 25.
- the bar 25 has a U-shaped profile and is arranged between the plate 15 and the 2 propellant charge modules.
- the transverse pushers 22 are intended to cooperate with a corner 28 which is arranged above the breeder 9. This corner is particularly visible in Figure 1. It is formed for example by a solid metal part of a bottom wall 14 of the self-propelled or else, and a preferred way, the roof (not shown) thereof.
- the wedge has an inclined plane 29 forming a cam profile intended to cooperate with the rollers 23 carried by the pushers 22.
- the ejection device is located automatically operated by simply moving the arm above the breeder and he causes the ejection all modules 2 out of their homes reception.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manipulator (AREA)
- Toys (AREA)
Abstract
Description
- la figure 1 est une vue en perspective d'un dispositif selon l'invention associé à un magasin pour modules de charges propulsives,
- la figure 2 est une vue en perspective d'un bras de saisie seul et portant des modules de charge propulsive,
- la figure 3 est une vue frontale du bras portant un module,
- la figure 4 est une vue frontale du bras au moment où il s'apprête à saisir ou libérer un module,
- la figure 5 est une vue de dessus schématique et partielle du magasin.
Claims (9)
- Dispositif de saisie et transport de modules (2) de charges propulsives stockés dans un magasin (1), dispositif comprenant un moyen de saisie (7) porté par un bras support (8) mobile actionné par des moyens d'entraínement pour pouvoir pénétrer à l'intérieur du magasin (1) et venir saisir au moins un module (2), dispositif caractérisé en ce que le moyen de saisie (7) comprend au moins deux lames ressort (16) disposées en regard l'une de l'autre et qui délimitent entre elles un logement de réception d'un module (2), chaque lame ressort comportant un profil concave (18) destiné à coopérer avec la surface cylindrique externe du module (2) pour maintenir celui-ci.
- Dispositif de saisie et transport selon la revendication 1, caractérisé en ce que le profil concave (18) comprend deux surface planes (19a,19b) formant un angle obtus.
- Dispositif de saisie et transport selon une des revendications 1 ou 2, caractérisé en ce que chaque lame ressort (16) comporte un bec d'extrémité (20) orienté de telle sorte que, lorsqu'il vient en contact avec un module (2) lors de la descente du bras support dans le magasin, la lame ressort (16) est déformée pour venir glisser le long de la surface cylindrique externe du module.
- Dispositif de saisie et transport selon une des revendications 1 à 3, caractérisé en ce que chaque lame ressort (16) a la forme d'un "U" comprenant deux branches (21a, 21b).
- Dispositif de saisie et transport selon une des revendications 1 à 4, caractérisé en ce qu'il comprend un dispositif d'éjection des modules (2) qui est actionné automatiquement lorsque le bras (8) support des modules vient se positionner au-dessus d'un sélectionneur (9).
- Dispositif de saisie et transport selon la revendication 5, caractérisé en ce que le dispositif d'éjection comprend au moins un poussoir (22) transversal mobile porté par le bras (8), poussoir qui est destiné à coopérer avec un profil de came (29) disposé au-dessus du sélectionneur (9).
- Dispositif de saisie et transport selon la revendication 6, caractérisé en ce que le poussoir (22) est solidaire d'une barre longitudinale (25) qui est interposée entre le bras (8) et les modules (2), le déplacement du poussoir (22) entraínant le déplacement de la barre (25) qui pousse alors tous les modules hors de leurs logements de réception.
- Dispositif de saisie et transport selon la revendication 7, caractérisé en ce qu'il comporte au moins une tige butée (26) solidaire de la barre (25) et comportant une tête élargie coopérant avec le bras (8) pour assurer la retenue de la barre (25) lorsque le bras (8) est dépourvu de modules.
- Dispositif de saisie et transport selon une des revendications 6 à 8, caractérisé en ce que le poussoir porte au moins un galet rotatif (23) destiné à coopérer avec le profil de came (29).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0209504A FR2842893B1 (fr) | 2002-07-26 | 2002-07-26 | Dispositif de saisie de modules de charges propulsives |
| FR0209504 | 2002-07-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1384969A2 true EP1384969A2 (fr) | 2004-01-28 |
| EP1384969A3 EP1384969A3 (fr) | 2004-05-12 |
| EP1384969B1 EP1384969B1 (fr) | 2006-08-30 |
Family
ID=27799310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20030291698 Expired - Lifetime EP1384969B1 (fr) | 2002-07-26 | 2003-07-09 | Dispositif de saisie de modules de charges propulsives |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1384969B1 (fr) |
| DE (1) | DE60307943T2 (fr) |
| FR (1) | FR2842893B1 (fr) |
| NO (1) | NO20033361D0 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12264891B2 (en) * | 2021-07-12 | 2025-04-01 | Rheinmetall Air Defence Ag | Feeding device for loading and unloading a radially opening ammunition cup for an automatic gun loading system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022101216B3 (de) | 2022-01-19 | 2023-04-27 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Vorrichtung zur Überführung von Treibladungsmodulen, Überführungsbaugruppe mit mindestens zwei Überführungsvorrichtungen, Magazin zur Aufnahme mehrerer Treibladungsmodule und/oder Treibladungsstangen und Verfahren zur Überführung von Treibladungsmodulen und/oder Treibladungsstangen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3025501C1 (de) * | 1980-07-05 | 1985-07-25 | KUKA Wehrtechnik GmbH, 8900 Augsburg | Vorrichtung zum automatischen Laden einer in einem drehbaren Panzerturm eines Kampfpanzerfahrzeugs gelagerten Kanone mit grosskalibriger Munition |
| DE3903671C2 (de) * | 1989-02-08 | 1998-04-09 | Wegmann & Co Gmbh | Verfahren zum automatischen Zuführen großkalibriger Munition zu einem Geschütz sowie Einrichtung zur Durchführung des Verfahrens |
| FR2743411B1 (fr) | 1996-01-05 | 1998-02-27 | Giat Ind Sa | Dispositif de transfert de modules constituant des charges propulsives, entre un magasin de stockage et un systeme de chargement de ces modules dans la chambre d'un canon d'artillerie |
| FR2764055B1 (fr) | 1997-05-29 | 1999-07-16 | Giat Ind Sa | Systeme de saisie automatique de modules de charge propulsive stockes dans un magasin |
-
2002
- 2002-07-26 FR FR0209504A patent/FR2842893B1/fr not_active Expired - Lifetime
-
2003
- 2003-07-09 EP EP20030291698 patent/EP1384969B1/fr not_active Expired - Lifetime
- 2003-07-09 DE DE2003607943 patent/DE60307943T2/de not_active Expired - Lifetime
- 2003-07-25 NO NO20033361A patent/NO20033361D0/no not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12264891B2 (en) * | 2021-07-12 | 2025-04-01 | Rheinmetall Air Defence Ag | Feeding device for loading and unloading a radially opening ammunition cup for an automatic gun loading system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60307943T2 (de) | 2007-02-08 |
| DE60307943D1 (de) | 2006-10-12 |
| EP1384969B1 (fr) | 2006-08-30 |
| FR2842893B1 (fr) | 2005-10-21 |
| NO20033361D0 (no) | 2003-07-25 |
| EP1384969A3 (fr) | 2004-05-12 |
| FR2842893A1 (fr) | 2004-01-30 |
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