EP3033581A1 - Dispositif de préhension pour le maintien de la munition lors du chargement d'un canon - Google Patents
Dispositif de préhension pour le maintien de la munition lors du chargement d'un canonInfo
- Publication number
- EP3033581A1 EP3033581A1 EP14747663.4A EP14747663A EP3033581A1 EP 3033581 A1 EP3033581 A1 EP 3033581A1 EP 14747663 A EP14747663 A EP 14747663A EP 3033581 A1 EP3033581 A1 EP 3033581A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- ammunition
- munition
- tabs
- finger
- 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
- 230000005484 gravity Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000009916 joint effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F41A9/22—Movable ammunition carriers or loading trays, e.g. for feeding from magazines sliding, e.g. reciprocating in a horizontal direction
-
- 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
- F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
- F41A9/39—Ramming arrangements
- F41A9/42—Rammers separate from breech-block
Definitions
- the technical field of the invention is that of automatic loading systems guns of large caliber (75 mm to 140 mm) with ammunition, equipping armored vehicles and tanks battle.
- the present invention relates more particularly to a device for bringing the munition from the storage area to the barrel chamber.
- the transport phase of the ammunition from the storage area to the barrel is during the movement of the vehicle, if necessary on rough terrain, which generates vibrations and shocks . Therefore, an important difficulty encountered in this phase is the correct maintenance of the ammunition during its delivery to the barrel. This maintenance must be sufficiently rigid to ensure:
- the ammunition resting in the natural position in the sheath its longitudinal axis is not aligned with the axis of the barrel, which proves problematic for insertion into the barrel chamber, in particular with ammunition whose shape projectile has a sharp edge that obstructs the entrance of the room;
- the sheath having an unavoidable congestion height over the entire length of the munition it potentially interferes with the mechanism of the storage magazine, which generates additional technical constraints. These constraints are typically solved by equipping each ammunition box with an individual chute, which is penalizing for the mass of the equipment, or by producing the sheath in the form of a retractable mechanism, more complex;
- the munition when loading in severe driving conditions, the munition, not being firmly held during the feeding phase, moves in the vertical plane.
- DE2330889 A1 discloses an ammunition loading system with a gripping device provided with pivotally mounted jaws.
- the ammunition is carried in two places by rollers and taken by the gripper in the base of the sleeve.
- the disadvantage of this system is that the ammunition is simply resting on the rollers and is taken out of the center of gravity.
- WO 2006/051425 A2 discloses a weapons handling device for transporting and loading weapons on an aircraft or other vehicles.
- the device is provided with a clamp which comprises rollers intended to be positioned on the periphery of the weapon to be maintained.
- the weapon clamp further comprises a detachable link adapted to move at least one of the rollers from a first position where the weapon is held in position by contact with the rollers to a second position where the roll releases the weapon allowing its movement in a transverse direction.
- This system has the disadvantage that the gripping takes place in the ammunition store and requires a clamp for each stored ammunition.
- the pinch system has the disadvantage that it does not allow to slide the munition in a longitudinal movement necessary to transport a munition from the store to the barrel chamber.
- US 6,460,448 Bl discloses a shell loading device in a mortar by the mouth.
- This device comprises elevation means of the shell moving linearly through guides and jaws gripping its periphery. Arrived at the height of the mouth, the shell is translated by means of a transfer device to be positioned in the axis of the mortar and inserted into the mouth of the latter.
- the invention aims to overcome the drawbacks mentioned above by proposing a new technical solution allowing the ammunition to be firmly held during its entire journey until the projectile is being inserted into the barrel chamber, and leaving the ammunition scroll zone free in the storage magazine, while respecting the grip zones recommended by STANAGs standards.
- the present invention relates to a gripping device for transporting ammunition
- a gripping device for transporting ammunition comprising a support mounted movably in the longitudinal direction of the ammunition, said support having tabs defining a space for receiving the ammunition, said legs being mounted movably. in a plane perpendicular to the direction of advancement of the support and configured to, in use, adopt a so-called locking position where the legs are fixed and can surround the periphery of the munition and a so-called unlocking position where the legs are free of move in the plane perpendicular to the direction of advancement of the support to allow the passage of the entire munition in its longitudinal direction.
- the device comprises at least one or a suitable combination of the following characteristics:
- the space delimited by the tabs is of circular section with increasing diameter, said diameter increasing in a direction from the head of the ammunition to the base of the ammunition which is intended to be received in the legs, the tabs delimit a space at less partly conical, a first portion of the tabs has an increasing diameter intended to fit the conical shape of the ammunition when the tabs are in the locking position,
- a second portion of the tabs has a diameter increasing greater than that of the ammunition to facilitate its insertion when the tabs are in the locking position
- an unlocking mechanism ensuring the change of position of the tabs from the locking position to the unlocking position, said mechanism comprising retractable fingers, said unlocking, positioned on the support, the retraction of the fingers inside the support triggering, in use, the unlocking mechanism,
- a mechanism for returning the support after transporting the ammunition comprising a latch mounted to move on the support, a return spring and a retractable retraction finger, positioned on the support, the retraction of said finger recall causing the retraction of the lock and the return of the support with the return spring,
- the length of the return finger is less than that of the unlocking fingers
- the support has a shape close to a lying L, the vertical part of the L comprising the legs and the horizontal part of the L being intended to be positioned along a sleeve comprising the ammunition,
- the legs are intended to come into contact exclusively with the socket of the ammunition and to enclose an area between one-third and two-thirds of the height of the ammunition,
- a mechanism for driving the ammunition and the support said mechanism comprising a carriage provided with a pusher finger, said pusher finger being intended to cooperate with the base of the ammunition and the carriage being intended to cooperate with the support,
- the pushing finger is, in use, intended to push the munition into the space delimited by the tabs until it is clamped and the carriage is, in use, intended to exert pressure on the support as soon as the munition is clamped into the legs, the support then moving in the longitudinal direction of the ammunition by the joint action of the push finger on the ammunition and the carriage on the support,
- the carriage cooperates with the latch mounted on the support, the legs are four in number and evenly spaced along the perimeter of the circular section space.
- the present invention further relates to a method for transporting and loading a munition from a magazine to a gun chamber using the device as described above, said method comprising the steps of :
- Stop of the support against the breech of the barrel triggering at first the mechanism of unlocking legs and allowing the loading of the ammunition in the chamber of the barrel thanks to the pusher finger.
- the method also comprises the following features: - the abutment of the support against the breech of the barrel triggers in a second time the mechanism for returning the support in the loading position.
- Figure 1 shows a partial view of the gripping device of the ammunition according to the invention. This is a view of the front face of the support, that is to say the face intended to abut against the breech of the barrel.
- Figure 2 shows a rear view of the device of Figure 1 with a munition held between the legs of the gripping device.
- FIG. 3 shows a longitudinal section of the legs of the gripper according to the invention now the ammunition.
- Figure 4 shows a schematic view of the various elements involved in the transport of the munition from the sheath of the store to the chamber of the barrel.
- Figure 5 shows schematically with sequential views (a) - (e) the movement of the munition from the magazine to the barrel chamber.
- the present invention relates to a device for gripping the ammunition can move longitudinally from the store where ammunition is stored to the chamber of the barrel.
- the gripping device comprises a plurality of legs 2 intended to be positioned on the perimeter of the sleeve of the ammunition 3 near its center of gravity and to grip the socket over a sufficient length to prevent tilting of the munition.
- the positioning of the legs is determined according to the mass, the position of the center of gravity and the moment of inertia of the munition. Specifically, the legs cover an area between 1/3 and 2/3 of the height of the munition, this area may be less than 1/3 of the length of the ammunition.
- the tabs are spaced apart around the perimeter of the ammunition socket and may be, for example, four in number spaced along four generatrices of the socket and in an equidistant manner.
- the gripping device is equipped with a mechanism for locking / unlocking the tabs.
- the tabs are fixed while in the unlocked position, they are free to move radially allowing a total passage of the munition in its longitudinal direction and, in both directions.
- the gripping device comprises a support 1 provided with an opening to allow the passage of the ammunition (fig.l and 2).
- the gripping tabs 2 are mounted on the support within the opening and can move radially between a locking position, said locking and an open position, called unlocking. In use, as explained below, the tabs move together between the locking position and the unlocking position.
- each gripping tab delimit a circular section space with an increasing diameter visible in Figure 3.
- each gripping tab has a first portion 2a flaring to a second portion 2b in a direction extending from the front face of the support, ie the face intended to come into contact with the breech of the barrel towards the rear face of the support.
- This first part 2a has a contact surface intended to match the slightly conical shape of the sleeve of the ammunition.
- the second part 2b has a more flared shape facilitating the insertion of the ammunition in the legs.
- the gripping device comprises a mechanism for unlocking the tabs actuated by contact with retractable fingers, said unlocking, with an outer member.
- the retractable fingers 4 are positioned on the front face of the support (fig.l). In use, this face abuts against the breech of the barrel, which, via the retraction of the fingers inside of the support, triggers the joint opening of the legs and allows the ammunition to enter the barrel chamber.
- the fingers 4 situated on the left and on the right trigger respectively and independently the radial opening of the tabs located on the left and on the right.
- Different systems can be envisaged to link the retraction of the fingers 4 to the radial expansion of the tabs.
- each lower leg may be secured to a piece that is housed in a notch of another piece integral with the finger 4 and, when the tabs are in the locked position.
- the retraction of the finger 4 allows the release of the integral part of the lower leg and therefore causes its outward displacement under the effect of the weight of the ammunition.
- the movement of the upper leg is linked to that of the lower leg, for example, via a gear (not shown). In the unlocked position, the tabs are thus free to move radially, the amplitude of the spacing being a function of the type of ammunition.
- the gripping device further comprises a return mechanism for the return of the support in front of the loading position of the magazine after transporting the ammunition in the chamber of the barrel.
- the mechanism comprises a latch 12 visible in Figure 4.
- the latch 12 is pivotally mounted on the support 1 and provided with a stop 13.
- the return mechanism further comprises a return finger 5, positioned on the front face of the support (fig.l) and a return spring (not shown).
- the retraction within the support of the return finger 5 triggers the retraction of the lock and therefore the return of the support under the effect of the return spring.
- the connection between the return finger and the latch can be provided via a rod (not shown).
- the length of the return finger is less than that of the unlocking fingers.
- the support 1 seen in its entirety in Figure 4 has a shape close to a lying L.
- the tabs 2 are arranged on the vertical portion of the L lying, that is to say the small portion of the L, while the horizontal portion of the L is intended to be positioned along the sleeve 6 comprising the ammunition 3 in the shop.
- the drive mechanism of the support 1 comprises a fixed part 7 provided with a motor, a push frame 10 slidably mounted on this fixed part 7 and a carriage 9 itself slidably mounted on the push frame 10 thanks to for example, to a chain system which connects the fixed part 7 to the carriage 9 (not shown).
- the carriage 9 comprises a pusher finger 11 intended to move the munition 3 from the magazine 6 to the chamber of the barrel 8.
- the displacement of the support 1 is effected, on the one hand, indirectly via the movement of the ammunition 3 which is clamped in the legs 2 of the support and pushed at its base by the pusher finger 11, and, secondly, via the carriage 9 which exerts pressure on the abutment 13 of the latch 12 secured to the support 1.
- the operation of the device according to the invention is schematically shown in Figure 5.
- the support 1 is positioned at a given location in front of one of the sleeves 6 of the store, called loading position.
- the sheath 6 comprising the munition 3 to be loaded is through a conveyor (not shown) placed in the loading position (Fig.5 (a)).
- the push frame 10 on which is mounted the carriage 9 provided with the finger 11 comes into action (Fig.5 (b)).
- Finger pusher 11 exerts pressure on the base of the ammunition 3 to insert it in the space defined by the legs 2 which, by default, are in the locked position.
- the support 1 abuts against the breech of the barrel 8 which triggers at first the radial spacing of the tabs via the retraction of the unlocking fingers as mentioned above and allows the loading of the ammunition 3 in the chamber of the barrel 8 thanks to the pushing finger 11 still moving (fig.5 (d)).
- the contact of the return finger with the breech of the barrel ensures the return of the support 1 in the loading position by retracting the latch 12 and the return spring (fig.5 (d) and (e). )).
- the carriage 9 returns to its starting position of Figure 5 (a) under the action of the motor. It will be specified that in case of defective spring which would prevent the return of the support in its loading position, the return of the support can be provided via the carriage.
- the lock is then retracted and the carriage takes position on the rear part of the support in order to drag it in its movement.
- the support therefore accompanies the ammunition from the store to the chamber of the barrel in a movement longitudinal, preventing any tilting of the latter through the legs.
- the gripping device provides a controlled and easily adjustable clamping guaranteeing the achievement of an optimum that allows both:
- the device is naturally positioned in the locked position and unlocks automatically in contact with the breech of the barrel, when the ammunition engages in the room.
- the device offers the possibility of being permanently locked in the unlocked position, allowing the insertion of ammunition in the magazine through the device via the interior of the vehicle rather than through the back door of the store.
- the device is not affected by the type of ammunition and the shape of the projectile, thanks to the fact that the maintenance is done only on the sleeve of the ammunition, and moreover with regard to the NATO calibres, in a place conforming to the "grip area" recommended by the applicable STANAGS standards.
- the device completely free the ammunition scroll zone within the store conveyor.
- the device maintains the longitudinal axis of the munition rigorously parallel to the direction of the movement of the latter when moving to the barrel, and fixed in relation to the ammunition magazine.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Manipulator (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14747663T PL3033581T3 (pl) | 2013-08-12 | 2014-08-06 | Urządzenie chwytające do utrzymywania amunicji podczas załadunku armaty |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2013/0539A BE1022029B1 (fr) | 2013-08-12 | 2013-08-12 | Dispositif de prehension pour le maintien de la munition lors du chargement d'un canon |
PCT/EP2014/066874 WO2015022245A1 (fr) | 2013-08-12 | 2014-08-06 | Dispositif de préhension pour le maintien de la munition lors du chargement d'un canon |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3033581A1 true EP3033581A1 (fr) | 2016-06-22 |
EP3033581B1 EP3033581B1 (fr) | 2017-07-12 |
Family
ID=49253044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14747663.4A Active EP3033581B1 (fr) | 2013-08-12 | 2014-08-06 | Dispositif de préhension pour le maintien de la munition lors du chargement d'un canon |
Country Status (11)
Country | Link |
---|---|
US (1) | US9933217B2 (fr) |
EP (1) | EP3033581B1 (fr) |
CN (1) | CN105492856B (fr) |
BE (1) | BE1022029B1 (fr) |
BR (1) | BR112016002883B1 (fr) |
CA (1) | CA2919777C (fr) |
DK (1) | DK3033581T3 (fr) |
ES (1) | ES2642828T3 (fr) |
PL (1) | PL3033581T3 (fr) |
PT (1) | PT3033581T (fr) |
WO (1) | WO2015022245A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107941080B (zh) * | 2017-11-08 | 2019-10-15 | 航宇救生装备有限公司 | 一种降落伞气体炮试验弹自动装填方法 |
CN108534594A (zh) * | 2018-03-27 | 2018-09-14 | 西安昆仑工业(集团)有限责任公司 | 一种链式炮用辅助推弹器 |
DE102019106849A1 (de) * | 2019-03-18 | 2020-09-24 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Haltevorrichtung für Munitionskörper mit einem expandierbaren Halteelement |
CN112432549B (zh) * | 2020-10-26 | 2022-03-22 | 南京理工大学 | 一种用于弹体自动装填的托弹装置及其使用方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1304583A (en) * | 1919-05-27 | Gun-loading device | ||
US2972934A (en) * | 1951-05-11 | 1961-02-28 | Haviland H Platt | Continuous hoist for ammunition |
US2987963A (en) * | 1960-04-12 | 1961-06-13 | Frederic N Eaton | Boom missile loader |
US3069026A (en) * | 1962-01-30 | 1962-12-18 | Robert R Aluise | Handling attachment |
US3141375A (en) * | 1962-03-02 | 1964-07-21 | Bert M Randall | Missile handling and mating system |
US3598016A (en) * | 1969-03-18 | 1971-08-10 | Gen Electric | Automatic burst firing gun having revolving chambers |
DE2330889B2 (de) | 1973-06-18 | 1976-10-28 | Rheinstahl Ag, 4300 Essen | Vorrichtung zum foerdern und laden bei einem hoehenrichtbaren geschuetz |
US3893366A (en) * | 1973-10-29 | 1975-07-08 | Us Navy | Missile launcher guide assembly |
US4700609A (en) * | 1985-10-04 | 1987-10-20 | Fmc Corporation | Autoloader for military vehicle |
US4898071A (en) * | 1988-09-23 | 1990-02-06 | Fmc Corporation | Inflatable ammunition gripping device |
SE9900152L (sv) * | 1999-01-20 | 2000-06-19 | Bofors Weapon Sys Ab | Sätt och anordning för att hantera artillerigranater vid laddning av artilleripjäser |
FR2796713B1 (fr) * | 1999-07-22 | 2002-09-13 | Giat Ind Sa | Dispositif d'aide au chargement pour artillerie |
US6460448B1 (en) * | 2000-08-17 | 2002-10-08 | The United States Of America As Represented By The Secretary Of The Army | Automated loader assist for mortars |
EP1734329A3 (fr) * | 2004-09-03 | 2008-02-13 | General Dynamics Armament and Technical Products, Inc. | Chargeur d'armes |
US7207257B2 (en) * | 2005-03-08 | 2007-04-24 | Meggitt Defense Systems, Inc. | Ammunition guide |
CN102490171B (zh) * | 2011-11-22 | 2014-07-09 | 中国人民解放军总装备部军械技术研究所 | 处理危险品及弹药用的机器人 |
-
2013
- 2013-08-12 BE BE2013/0539A patent/BE1022029B1/fr not_active IP Right Cessation
-
2014
- 2014-08-06 PL PL14747663T patent/PL3033581T3/pl unknown
- 2014-08-06 ES ES14747663.4T patent/ES2642828T3/es active Active
- 2014-08-06 PT PT147476634T patent/PT3033581T/pt unknown
- 2014-08-06 BR BR112016002883-0A patent/BR112016002883B1/pt active IP Right Grant
- 2014-08-06 EP EP14747663.4A patent/EP3033581B1/fr active Active
- 2014-08-06 CN CN201480044448.1A patent/CN105492856B/zh active Active
- 2014-08-06 US US14/910,257 patent/US9933217B2/en active Active
- 2014-08-06 DK DK14747663.4T patent/DK3033581T3/da active
- 2014-08-06 WO PCT/EP2014/066874 patent/WO2015022245A1/fr active Application Filing
- 2014-08-06 CA CA2919777A patent/CA2919777C/fr active Active
Also Published As
Publication number | Publication date |
---|---|
DK3033581T3 (da) | 2017-11-06 |
WO2015022245A1 (fr) | 2015-02-19 |
ES2642828T3 (es) | 2017-11-20 |
CN105492856A (zh) | 2016-04-13 |
BE1022029B1 (fr) | 2016-02-05 |
CA2919777C (fr) | 2021-04-13 |
CN105492856B (zh) | 2017-09-12 |
BR112016002883A2 (pt) | 2017-08-01 |
US9933217B2 (en) | 2018-04-03 |
PL3033581T3 (pl) | 2018-01-31 |
PT3033581T (pt) | 2017-10-04 |
BR112016002883B1 (pt) | 2022-06-28 |
CA2919777A1 (fr) | 2015-02-19 |
US20160178300A1 (en) | 2016-06-23 |
EP3033581B1 (fr) | 2017-07-12 |
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