WO2004018956A1 - Connectique entre un lanceur militaire et des munitions resistant a l'encrassage - Google Patents
Connectique entre un lanceur militaire et des munitions resistant a l'encrassage Download PDFInfo
- Publication number
- WO2004018956A1 WO2004018956A1 PCT/EP2003/050295 EP0350295W WO2004018956A1 WO 2004018956 A1 WO2004018956 A1 WO 2004018956A1 EP 0350295 W EP0350295 W EP 0350295W WO 2004018956 A1 WO2004018956 A1 WO 2004018956A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- launcher
- connector
- ammunition
- rocket
- cable
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
- F41F3/055—Umbilical connecting means
Definitions
- the present invention relates to connection techniques between a military ammunition launcher and ammunition. It applies in particular to rocket launchers carried under a helicopter or under an airplane.
- a firing order from the carrier to the ammunition.
- This firing order is generally transmitted in electrical form, it may be necessary to transmit other data from the carrier to the ammunition.
- submunitions such as hollow charges or dars.
- data for guidance such as a photo or digital terrain model are transmitted. This transmits data of all kinds intended to be used during the flight of the ammunition.
- This link includes a cable connecting the carrier and the launcher.
- the connection extends in the launcher to the tube in which the ammunition is housed.
- a connection between the ammunition and the launcher makes it possible to extend the data link up to the ammunition.
- the cable which is an integral part of the munition, makes it possible to transmit the unloading or guidance data to the head.
- the subject of the invention is in particular a military munitions launcher comprising at least:
- said ammunition comprising a cable and an ammunition connector forming a termination of said cable
- the launcher further comprises: - elements of a locking system, the locking system being provided for holding the launcher connectors and ammunition connected after the launch of the launcher's ammunition.
- the locking system is a bayonet system.
- the elements of the locking system forming an integral part of the launcher are formed by lugs.
- the lugs are placed on the external surface of the launcher connector.
- the pins are two in number and are diametrically opposed.
- the launcher connector is coaxial.
- the subject of the invention is also a munition intended to be placed in a housing of a military ammunition launcher, said military ammunition launcher comprising a launcher connector, said ammunition comprising:
- the ammunition connector being intended to be connected to the launcher connector, the ammunition being characterized in that it further comprises:
- the locking system being provided to maintain the launcher and ammunition connectors connected after the launch of the ammunition from the launcher.
- the cable comprises a cable breaking point at the outlet of the ammunition connector.
- the cable breaking point is achieved by local weakening of the cable.
- the elements of the ammunition locking system are formed by a cap.
- the cap is formed by an independent part comprising a groove for inserting the cap on the cable.
- the cap is formed by a part molded on the cable.
- FIGS. 2 and 3 show a rocket launcher seven shots in a side view and a front view
- a front view shows an example of distribution on a triangular mesh of rocket housing
- FIG. 5 shows a nineteen-shot rocket launcher in a front view
- FIG. 6 shows an ogival rocket head provided with a flexible coaxial cable and a connector
- - Figures 7 and 8 show a standard form rocket connector in a cross section and a front view
- FIG. 9 and 10 show an example of connectors according to the invention in a cross section and a front view
- the invention can be applied to any type of launchers, in particular to rocket launchers 2. These rocket launchers 2 can be carried by a helicopter 1.
- the launcher 2 is shown in view lateral and front view in FIGS. 2 and 3.
- the launcher comprises housings intended to receive ammunition.
- the housings form tubes in which the rockets 3 are placed. These housings can be seven in number (see FIG. 3), twelve, nineteen (see FIG. 5) for example.
- the connection 5 between the ammunition and the launcher can be placed on the front face of the launcher, ie the face from which the rockets leave.
- a launcher connector can be associated with each housing or with some of them only.
- Each launcher connector is intended to be connected to a rocket connector forming the termination of a cable 4.
- the rocket connector and the cable 4 are an integral part of the rocket.
- FIG 4 a detail view of the front face of the launcher, on which is shown an example of housing distribution.
- the housings have a circle-shaped section. These circles have the same diameter D1. This diameter D1 is substantially equal to the caliber of the ammunition.
- the centers of the circles can be equidistant on a triangular mesh.
- the centers of three neighboring housings 6, 7, 8 form the vertices of an equilateral triangle 9 the length of one side 10 of which is equal to the intercenter distance D2.
- launch connectors can be arranged between the housings.
- a launcher connector 11 can be placed between the housings 6, 7 and 8. There is a reduced space between three neighboring housings in which the connectors between a munition and the launcher can be placed.
- FIG. 5 a front view, on which is shown a rocket launcher 2 nineteen shots.
- the rockets are distributed on a triangular mesh.
- the rocket launcher comprises a central housing 12 around which are disposed on a first ring six peripheral housings 13 to 18, and on a second ring twelve peripheral housings 19 to 30.
- Launcher connectors 31, of circular section, can be arranged between the housing 13 to 30 rockets. There are more locations (twenty-four) than launcher connectors (nineteen) to place. There are therefore several possible arrangements.
- Other launcher connectors 32 can be arranged at the periphery of the housings.
- Figure 6 a side view, on which is shown a rocket provided with a flexible coaxial cable 4 and a connector.
- the cable 4 can be connected to the ogival head 33 of the rocket 3.
- a hermiticity ring 33 can be placed at the connection.
- the cable can have a length of the order of 1.5 m.
- the cable can be a shielded coaxial cable. It includes for example a conductive core (not shown) intended to be connected to the positive pole, surrounded by an insulating envelope (not shown).
- the insulating envelope is itself surrounded by a conductive braid (not shown) intended to be connected to the negative pole. The whole is surrounded by a protective sheath (not shown).
- a connector terminates the free part of this cable.
- the connector may include an outer body 34 and a plug 35.
- the outer body 34 is an outer casing intended to protect the negative circuit and to allow the connector to be grasped.
- the plug 35 can be a coaxial female plug for example.
- This sheet comprises for example a conductive heart 36, of hollow tubular shape, intended to be connected to the positive pole.
- This tubular core 36 can be surrounded by an elastic insulating material 37, itself surrounded by a conductive material 38 forming the outside of the plug 35.
- the conductive material 38 is intended to be connected to the negative pole.
- the elements 36, 37, 38 of the plug 35 are coaxial. Longitudinal slots 39, three in number for example, make it possible to reduce the section of the plug by elastic deformation.
- This connector 5 notably comprises a launcher connector 40 and a rocket connector 41.
- the rocket connector 41 can be mechanically fixed to the launcher connector 40 by simple insertion, in particular thanks to the elasticity of the plug 35 of the rocket connector 41.
- the launcher connector 40 comprises for example a body 47 of essentially cylindrical shape, a conductive rod 44 placed on the axis of this body 47.
- the rod 44 is intended to be connected to the positive pole.
- This rod 44 is housed inside the plug 35 (see FIGS. 6 to 8) during the insertion of the rocket connector 41 into the launcher connector 40.
- the rod 44 makes it possible to establish electrical contact with the positive pole rocket.
- the body 47 further comprises a conductive element (not shown) on its internal surface.
- This conductive element can be formed by the body itself.
- the conductive element is intended to be connected to the negative pole.
- the conductive element makes it possible to establish electrical contact with the exterior 38 of the plug 35 (see FIGS. 6 to 8) during the insertion of the rocket connector 41 into the launcher connector 40.
- a plug 45 can be provided to protect the rod 44 when the rocket connector 41 is not in the launcher connector 40.
- This plug of cylindrical shape, includes a central through hole which allows it to slide on the rod 44.
- a spring 46 can be placed behind this plug, in the body 47 of the starter connector 40. This spring 46 is intended to be compressed by the rocket connector 41 when the latter is inserted on the starter connector 40. The spring 46 exerts a force on the plug 45 to repel it and thus protect the rod when there is no rocket connector 41 in the launcher connector 40. However, in the presence of a rocket connector 41, the spring 46 tends to slightly push the rocket connector 41 out of the launcher connector 40 , and thus no longer ensure good electrical continuity.
- the connection comprises a locking system 42, 48, such as a pin or bayonet system.
- the locking system 42, 48 keeps the launcher and rocket connectors connected after the launch of the rocket from the launcher.
- the rocket connector 41 can no longer leave the launcher connector 40 when the rocket leaves its housing.
- the rocket cable 4 tightens then breaks, the rocket connector 41 remaining in place.
- the invention has many advantages. Before firing a rocket, the locking system 42, 48 makes it possible to hold the rocket connector 41 in place when the neighboring rockets are fired. In addition, in a difficult vibration environment, the rocket connector 41 can no longer accidentally leave the launcher connector 40. This allows perfect transmission of the electrical signal. Finally, the rocket leaves the launcher without its connector 41, offering less aerodynamic drag.
- a first part of the cable is carried by the rocket, a second part remains integral with the launcher.
- This second part of the cable risks being torn off by the departure of neighboring rockets, and can damage the carrier.
- a cable break point may be provided at the outlet 49 of the rocket connector. This breaking point can be achieved by local weakening of the cable, by removing part of the conductive braid for example.
- the locking system 42, 48 is a bayonet system.
- This system comprises for example a cap 42 and lugs 48.
- the cap 42 is in contact with the rocket connector 41.
- the lugs 48 form part of the launcher connector 40.
- the cap 42 comprises locking grooves in which the lugs 38 are screwed. Once screwed in, the cap 42 makes it possible to keep the rocket connector 41 connected with the launcher connector 40.
- the lugs 48 of the launcher connector 40 hold the cap 42 axially, which itself holds the rocket connector 41 on the launcher connector 40.
- the bayonet system has many advantages. It is simple to maneuver and occupies a reduced bulk. This makes it possible to place locking systems in the space available between three housings adjacent to the launcher.
- the cap 42 covers the rocket 41 and launcher 40 connectors.
- the size is determined by the diameter of the cap 42.
- the cap can have a diameter D3 of 13 mm.
- the locking system may include one or more pins 48 placed on the launcher connector 40.
- the pins are two in number and are diametrically opposed.
- the lugs 38 are placed on the external surface of the launcher connector 40.
- the lugs being positioned on the external surface of the connector, it is not necessary to adapt the shape of the rocket connector to the lugs 48 Indeed, the shape of the rocket connector 41 is only defined with respect to the internal surface of the launcher connector 40.
- the invention makes it possible to have launcher connectors compatible with all types of rocket connectors. This makes it possible to be compatible with predefined standards.
- the cap 42 has an interior surface of essentially cylindrical shape.
- Locking grooves 50 are placed inside the interior surface. Each groove describes an arc of a corner A in a plane perpendicular to the axis of the cylinder forming the interior surface. The angle A can be 30 ° for example.
- the locking grooves 50 are intended to receive the pins 48 of the launcher connector to prevent the cap 42 from being removed axially.
- Each locking groove 50 opens at one end onto an input groove 51.
- each input groove 51 faces a lug 48.
- each lug can reach a blocking groove 50 by translating inside the associated input groove 51.
- Each locking groove 50 ends at the other end with a hole 52.
- This hole can be a through hole as shown in FIGS. 9 and 11.
- the pins 48 reach the holes 52 end of groove by translating inside the associated locking groove 50.
- the holes 52 at the end of the groove make it possible to stop the rotation of the cap 42 at a stable position.
- bayonet system with more or less grooves and lugs. It is possible to reverse the position of the lugs and grooves, that is to say to practice lugs in the cap, and grooves on the launcher connector.
- the pins can be part of the rocket connector and the cap can be in contact with the launcher connector.
- the cap 42 forms an independent part.
- This independent part comprises a groove 53 for inserting the cap 42 on the cable 4.
- the cap 54 is molded on the cable 4.
- the invention applies to any type of ammunition intended to leave a launcher.
- the cable is fixed to the front of the munition, on the ogival head.
- the invention can be used to transmit the firing order.
- a connector which directly connects the ammunition and the tube to transmit the firing order.
- This connection is formed by a clasping system placed at the bottom of the tube at the level of the ammunition propellant.
- the invention can transmit this order with a cable outside the munition.
- This cable can be connected to the rear of the ammunition at the level of the propellant.
- the invention can be used at the rear of a munition to transmit the initiation order of the propellant.
- This solution has an advantage in terms of cost and reliability compared to the conventional solution consisting in using the clasping system.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03753577.0A EP1532418B1 (fr) | 2002-08-21 | 2003-07-08 | Munitions resistant a l'encrassage |
AU2003271746A AU2003271746A1 (en) | 2002-08-21 | 2003-07-08 | Fouling-resistant connectors between a military launcher and ammunition |
BR0313642-6A BR0313642A (pt) | 2002-08-21 | 2003-07-08 | Lançador militar de munições, e munição pretendida para ser colocada em um alojamento de um lançador militar de munições |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2002/0494 | 2002-08-21 | ||
BE2002/0494A BE1015204A3 (fr) | 2002-08-21 | 2002-08-21 | Connectique entre un lanceur militaire et des munitions resistant a l'encrassage. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004018956A1 true WO2004018956A1 (fr) | 2004-03-04 |
Family
ID=31892619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/050295 WO2004018956A1 (fr) | 2002-08-21 | 2003-07-08 | Connectique entre un lanceur militaire et des munitions resistant a l'encrassage |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1532418B1 (fr) |
KR (1) | KR20050062770A (fr) |
AU (1) | AU2003271746A1 (fr) |
BE (1) | BE1015204A3 (fr) |
BR (1) | BR0313642A (fr) |
WO (1) | WO2004018956A1 (fr) |
ZA (1) | ZA200501754B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010020088B4 (de) | 2010-05-10 | 2013-06-27 | Thyssenkrupp Presta Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung eines steuerbaren Energieabsorbers |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793492A (en) | 1944-11-24 | 1957-05-28 | Bruce H Sage | Rocket assembly |
US2984811A (en) * | 1957-02-06 | 1961-05-16 | Bendix Corp | Electrical connector |
DE1276413B (de) * | 1965-03-24 | 1968-08-29 | Dynamit Nobel Ag | Kabeltrennstelle in Feststoff-Raketen |
US3644938A (en) * | 1969-11-03 | 1972-02-22 | Hughes Aircraft Co | Umbilical connector |
US4047464A (en) * | 1975-02-19 | 1977-09-13 | Ab Bofors | Umbilical cord breaker |
-
2002
- 2002-08-21 BE BE2002/0494A patent/BE1015204A3/fr not_active IP Right Cessation
-
2003
- 2003-07-08 AU AU2003271746A patent/AU2003271746A1/en not_active Abandoned
- 2003-07-08 BR BR0313642-6A patent/BR0313642A/pt not_active Application Discontinuation
- 2003-07-08 WO PCT/EP2003/050295 patent/WO2004018956A1/fr not_active Application Discontinuation
- 2003-07-08 EP EP03753577.0A patent/EP1532418B1/fr not_active Expired - Lifetime
- 2003-07-08 KR KR1020057002958A patent/KR20050062770A/ko not_active Application Discontinuation
-
2005
- 2005-03-01 ZA ZA200501754A patent/ZA200501754B/xx unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793492A (en) | 1944-11-24 | 1957-05-28 | Bruce H Sage | Rocket assembly |
US2984811A (en) * | 1957-02-06 | 1961-05-16 | Bendix Corp | Electrical connector |
DE1276413B (de) * | 1965-03-24 | 1968-08-29 | Dynamit Nobel Ag | Kabeltrennstelle in Feststoff-Raketen |
US3644938A (en) * | 1969-11-03 | 1972-02-22 | Hughes Aircraft Co | Umbilical connector |
US4047464A (en) * | 1975-02-19 | 1977-09-13 | Ab Bofors | Umbilical cord breaker |
Also Published As
Publication number | Publication date |
---|---|
KR20050062770A (ko) | 2005-06-27 |
AU2003271746A1 (en) | 2004-03-11 |
ZA200501754B (en) | 2005-09-13 |
BE1015204A3 (fr) | 2004-11-09 |
BR0313642A (pt) | 2005-07-12 |
EP1532418A1 (fr) | 2005-05-25 |
EP1532418B1 (fr) | 2013-11-20 |
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