EP0421334B1 - Bodenzünder für Rohrwaffengeschosse mit Aufschlagfunktion - Google Patents

Bodenzünder für Rohrwaffengeschosse mit Aufschlagfunktion Download PDF

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Publication number
EP0421334B1
EP0421334B1 EP90118837A EP90118837A EP0421334B1 EP 0421334 B1 EP0421334 B1 EP 0421334B1 EP 90118837 A EP90118837 A EP 90118837A EP 90118837 A EP90118837 A EP 90118837A EP 0421334 B1 EP0421334 B1 EP 0421334B1
Authority
EP
European Patent Office
Prior art keywords
blocking
spring
base
balls
sided
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
Application number
EP90118837A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0421334A3 (en
EP0421334A2 (de
Inventor
Adolf Weber
Hans Pauly
Hans Strauss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of EP0421334A2 publication Critical patent/EP0421334A2/de
Publication of EP0421334A3 publication Critical patent/EP0421334A3/de
Application granted granted Critical
Publication of EP0421334B1 publication Critical patent/EP0421334B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F42C1/02—Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze
    • F42C1/08—Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze with delayed action after ignition of fuze or after impact

Definitions

  • the invention relates to a ground igniter for barrel weapon projectiles with an impact function.
  • a ground detonator for barrel weapon projectiles with an impact function is known from DE 35 35 854.8 A1.
  • a spring-operated firing pin is fixed in a securing position within a housing via a mechanical delay device.
  • the delay device consists of a securing sleeve with locking balls mounted in bores, a sleeve of the firing pin coupled over the locking balls, and recesses for receiving the locking balls, which are axially offset from the locking balls in a safe manner in the fuse housing.
  • a working spring for accelerating the firing pin lies between the firing pin and a bottom of the securing sleeve. In the case of lightly armored targets, the delay device delays the firing of the projectile inside the target.
  • the delay time is achieved in that when a projectile penetrates the target of the firing pin with the securing sleeve exerts a so-called idle stroke in the ignition direction, the locking balls entering the recesses in the housing.
  • the locking sleeve unlocked in this way is pushed back into the starting position by the prestressed working spring. Only in this starting position is the working spring able to drive the firing pin in the ignition direction.
  • the above-mentioned ignition delay time is achieved by the movement sequences described.
  • the design effort is very high. Above all, the igniter requires a relatively large overall length in the axial direction.
  • the object of the invention is to provide a base detonator with an impact function which has a considerably shorter overall length than the base detonator described at the outset.
  • the invention solves this problem according to the characterizing features of the main claim.
  • the igniter according to the invention advantageously consists of a few parts and is therefore inexpensive.
  • the overall length is shorter than that of the ground igniter discussed at the beginning. With one floor there is therefore a much larger interior for receiving the explosives. This results in an increased explosive force.
  • the tapping energy of the firing pin has the necessary measure for a defined and safe ignition of a detonator with relatively thin targets.
  • the time required to delay the ignition is guaranteed.
  • the detonator is only fired after a certain time after impact, i.e. inside a thin target, such as an aircraft structure, or lightly armored land vehicles.
  • the delay time corresponds to the time it takes for the locking balls to move from a secured position to a working position.
  • the path of the firing pin is defined in a surprisingly simple way by the double diameter of the locking balls.
  • the invention can be used in low-swirl and low-swirl projectiles and missiles.
  • a base igniter 1 consists of a housing 2 with a rotor housing 3, a circuit board 4 and a cup-shaped base 5 with collar 9.
  • a rotor 10 with a sensitive detonator 11 and a centrifugal lock 12 are movably mounted in the rotor housing 3.
  • a main axis of the igniter 1 is designated 14.
  • a firing pin 20 with tip 21, collar 22, working spring 23, pin 24 and riveted base plate 25 is mounted in holes 6 to 8.
  • the base 5 is supported in recesses 51, 52 with edge 15 and surface 17, a retaining spring 53, a locking disk 54 and locking balls 55.
  • the working spring 23 and the retaining spring 53 are installed in the prestressed state and are designed as compression springs.
  • the spring force of the working spring 23 is ten times greater than that of the retaining spring 53.
  • a swirl projectile, not shown, provided with the ground igniter 1 is brought to its muzzle velocity and rotation in a weapon barrel.
  • the rotor 10 After leaving the gun barrel, the rotor 10 is unlocked in a manner not shown.
  • the detonator 11 is in focus according to FIG. 2.
  • the centrifugal lock 12 has released the firing pin 20 for the axial stroke according to FIG. 2 and this remains in the position shown by the retaining spring 53.
  • the delay of the projectile in the opposite direction of the arrow 13 during the flight has no influence on the firing pin 20 which has been released.
  • the work Spring 23 and the firing pin 20 are secured via the retaining spring 53 and the locking disk 54 according to the position in Fig. 1.
  • the projectile is decelerated while it is penetrating a lightly armored target. Due to the projectile delay and the inertia of the functional parts, the firing pin 20 with the locking disk 54 and locking balls 55 moves forward in the direction of the arrow 13, see also FIG. 2. The locking balls 55 slide over the edge 15 and radially outward. The locking disk 54 performs a stroke 16 which corresponds to the diameter of the locking balls 55. The delay time until the ignition corresponds approximately to the time required for the stroke 16 of the locking disk 54.
  • the locking balls 55 are pressed against the wall 56 due to their mass and the projectile swirl. The friction between the locking balls 55 and the wall 56 delays the stroke 16 of the firing pin 20.
  • the relatively high bias of the working spring 23 clamps the locking balls 55 between the base plate 25 and the locking disk 54.
  • the radially acting mass forces overcome the frictional forces, so that the locking balls 55 leave the base plate 25 to lie against a wall 57 of the recess 51.
  • an edge 27 accelerates the locking balls 55 in addition to the radial inertial forces, ie the locking balls 55 are thrown out of the clamping area 26 of the foot plate 25 and the locking disk 54.
  • the friction of the locking balls 55 in the clamping area 26 is therefore the second factor for the delay time.
  • the working spring 23 drives the firing pin 20 into the detonator 11 until the base plate 25 stops on the locking plate 54.
  • the delay time is much shorter. This is defined in that the firing pin 20 from the position "safe" shown in FIG. 1 requires a certain time until the detonator 11 taps due to the inertia of the firing pin 20.
  • the decisive factor is a so-called package, which is connected to the firing pin 20 and consists of a locking disk 54, locking balls 53 and a base plate 25.
  • the friction of the locking balls 55 on the wall 56 of the recess 52 in the area of the path 58 also has a time-delaying effect effective.
  • a cone surface 30 drawn in broken lines and an edge 27 lying in a region 28 can be provided instead of the edge 15.
  • Each individual measure already results in a shorter delay time.
  • a longer delay time for a thin target can be achieved by a larger area 26 and / or by an extended distance 58 for the blocking balls 55.
  • a certain penetration depth of the tip 21 in the detonator 11 is necessary for reliably piercing the detonator 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Press Drives And Press Lines (AREA)
  • Toys (AREA)
EP90118837A 1989-10-06 1990-10-02 Bodenzünder für Rohrwaffengeschosse mit Aufschlagfunktion Expired - Lifetime EP0421334B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3933436A DE3933436A1 (de) 1989-10-06 1989-10-06 Bodenzuender fuer rohrwaffengeschosse mit aufschlagfunktion
DE3933436 1989-10-06

Publications (3)

Publication Number Publication Date
EP0421334A2 EP0421334A2 (de) 1991-04-10
EP0421334A3 EP0421334A3 (en) 1991-08-28
EP0421334B1 true EP0421334B1 (de) 1993-01-27

Family

ID=6390981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118837A Expired - Lifetime EP0421334B1 (de) 1989-10-06 1990-10-02 Bodenzünder für Rohrwaffengeschosse mit Aufschlagfunktion

Country Status (4)

Country Link
EP (1) EP0421334B1 (enrdf_load_stackoverflow)
DE (2) DE3933436A1 (enrdf_load_stackoverflow)
ES (1) ES2038861T3 (enrdf_load_stackoverflow)
SG (1) SG48793G (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330000B (zh) * 2014-09-15 2016-01-20 湖北三江航天红林探控有限公司 一种伸缩致动器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT150370B (de) * 1936-07-02 1937-08-10 Wilhelm Ing Plas Aufschlagzünder.
BE564486A (enrdf_load_stackoverflow) * 1957-02-18
US3270670A (en) * 1964-02-18 1966-09-06 Brevets Aero Mecaniques Impact fuzes for spinning explosive projectiles and more particularly basedetonatingfuzes of the type equipped with a mechanical auto-destruction device
CH623408A5 (enrdf_load_stackoverflow) * 1977-10-20 1981-05-29 Oerlikon Buehrle Ag
DE3535854A1 (de) * 1985-10-08 1987-04-09 Diehl Gmbh & Co Aufschlagzuender mit einer zuendkapsel

Also Published As

Publication number Publication date
SG48793G (en) 1993-06-25
DE59000818D1 (de) 1993-03-11
EP0421334A3 (en) 1991-08-28
DE3933436C2 (enrdf_load_stackoverflow) 1991-10-24
DE3933436A1 (de) 1991-04-18
EP0421334A2 (de) 1991-04-10
ES2038861T3 (es) 1993-08-01

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