WO2015166008A1 - Device for gripping a shell and gripping method implementing such a device - Google Patents

Device for gripping a shell and gripping method implementing such a device Download PDF

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Publication number
WO2015166008A1
WO2015166008A1 PCT/EP2015/059422 EP2015059422W WO2015166008A1 WO 2015166008 A1 WO2015166008 A1 WO 2015166008A1 EP 2015059422 W EP2015059422 W EP 2015059422W WO 2015166008 A1 WO2015166008 A1 WO 2015166008A1
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WO
WIPO (PCT)
Prior art keywords
shell
arch
gripping
shells
base
Prior art date
Application number
PCT/EP2015/059422
Other languages
French (fr)
Inventor
Jean-Luc Hasler
Original Assignee
Nexter Systems
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 Nexter Systems filed Critical Nexter Systems
Priority to EP15723442.8A priority Critical patent/EP3137840B1/en
Priority to KR1020167032028A priority patent/KR102214946B1/en
Priority to PL15723442T priority patent/PL3137840T3/en
Priority to SG11201608994QA priority patent/SG11201608994QA/en
Priority to ES15723442.8T priority patent/ES2668353T3/en
Priority to DK15723442.8T priority patent/DK3137840T3/en
Priority to BR112016024347-1A priority patent/BR112016024347B1/en
Priority to RS20180572A priority patent/RS57224B1/en
Publication of WO2015166008A1 publication Critical patent/WO2015166008A1/en
Priority to IL248437A priority patent/IL248437B/en

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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
    • F41A9/87—Ammunition handling dollies or transfer carts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled

Definitions

  • the technical field of the invention is that of gripping devices for shells and in particular for large caliber shells.
  • mechanized loading means such as cranes described in US5604327. It will be noted that the crane described by this patent has at its lifting end a shell gripping means for grasping the shells from a storage station and then depositing them on a loading stretcher.
  • the guiding of this operation is done manually taking into account the required precision, but the seizure and the release of the shell are done mechanically which strike the time of transfer of the shell between its initial place of storage and its place of installation final.
  • the gripping means is relatively complex and cumbersome which requires more skill on the part of the operator and ultimately degrades the rate of fire.
  • the invention proposes to solve the problem of complexity of the gripping means and therefore, the invention also proposes to improve the rate of transfer of the shells and the feed rate of an artillery piece.
  • the invention relates to a gripping device for shells comprising a spreader comprising between its two ends a hooking point intended to allow the attachment of a hoist hook
  • gripping device for shells characterized in that it comprises at a first end or front end a first hoop openwork comprising a first air gap and intended to support the nose of a shell, a gripping device comprising at a second end or a rear end a second open arch having a second gap and intended to support the base of the shell, the first and second hoops having an internal diameter substantially greater than the part of the shell which passes through them, the device also comprising at the level of the second hoop an abutment means intended to limit the translation of the shell towards the rear end .
  • the device comprises a locking means intended to bear on one side of the shell opposite to the gap of an arch.
  • the locking means comprises a cam intended to bear on the shell, cam articulated on the rudder by a pivot connection.
  • the internal diameter of the first arch is smaller than the largest diameter of the shell.
  • the abutment means comprises a shim located at a distance D from the second arch and intended to bear on the rear face of the base.
  • the abutment means consists of an internal diameter of the second arch lower than the maximum diameter of the base.
  • each arch has a handle.
  • the attachment point is located closer to the front end than the rear end of the rudder.
  • the invention also relates to a method for gripping a shell in which such a device is implemented, the method comprising the following steps:
  • Figure 1 shows a three-quarter view of a device according to the invention carrying a shell.
  • Figure 2 shows a three-quarter view of a first step of entering a shell.
  • Figure 3 shows a three-quarter view of a second shell entry step.
  • Figure 4 shows a three-quarter view of a third shell entry step.
  • Figure 5 shows a three-quarter view of a fourth shell entry step.
  • Figure 6 shows a front axial view of a device according to the invention carrying a shell.
  • a device 1 for grasping a shell 10 comprises a spreader 2.
  • This beam 2 is a bar comprising a hole 3 constituting a hooking point 3 intended for lifting. It is possible to insert in this piercing 3 a shackle 4 or directly a hoist hook for lifting the device 1.
  • a first end A (or front end) of the rudder 2 carries a first hoop 5 which has a substantially circular frame 5 which is interrupted by an opening 6 forming a first air gap 6 of spacing E1.
  • This first air gap 6 is located, on the first arch 5, opposite the location where the crossbar 2 is secured to the first arch 5.
  • the first arch 5 is fixed to the spreader 2 for example by welding.
  • a second end of the beam 2 (or rear end B) carries a second arch 7 which has a substantially circular reinforcement 7 which is interrupted by an opening 8 forming a second air gap 8 E2 spacing.
  • This air gap 8 is located, relative to the second arch 7, opposite the place where the crossbar 2 is secured to the second arch 7.
  • the second arch 7 is fixed to the crossbar 2 for example by welding.
  • the first arch 5 is intended to support the ogive 9 of a shell 10 by bearing thereof on the inside of the first arch 5 in the vicinity of the first gap 6.
  • the second arch 7 is intended to support the base 11 of the shell 10 by bearing it on the inside of the second arch 7 in the vicinity of the second gap 8.
  • the second arch 7 comprises a stop means 12 for limiting the translation of the shell 10 towards the rear end B of the lifter.
  • This abutment means 12 comprises a shim 12 situated at a distance D from the second arch 7 (FIG. 5) and which is intended to bear on the rear face of the base 11 (the distance D will be better seen in FIG. 5).
  • the inner diameters 01 and 02 of each arch 5 and 7 are significantly greater than the external diameters ⁇ 1 and ⁇ 2 of the transverse portions of the shells which are respectively supported by the arches 5 and 7.
  • the spacings E1 and E2 of the air gaps 6 and 8 are, however, less than the external diameters ⁇ 1 and ⁇ 2 of the aforementioned shell portions to enable the support of the shell.
  • This characteristic is more particularly visible in FIG. 6 as regards the first arch 5 and the ogive 9.
  • the internal diameters 01 and 02 of the arches 5 and 7 are greater than those of the shell portions which pass therethrough so as to allow a certain freedom of movement in longitudinal translation of the device relative to the shell to allow its grip and its deposit according to the method described below.
  • the maximum external width of the hoops 5 and 7 may also be chosen to be smaller than the maximum diameter 0max of the shell 10 so that the device 1 does not interfere with a possible chute for removing the shell at the level of a piece of artillery (chute and part not represented).
  • the air gaps 6 and 8 of the arches 5 and 7 make it possible to limit the amplitude of the gripping movements and to deposit the shell 10 as described below, which considerably improves the speed of supply of the weapon.
  • the air gaps also make it possible to avoid interference of the device with a surface on which the shell rests during its seizure or removal.
  • the inner diameter 01 of the first arch 5 may be smaller than the maximum diameter 0max of the shell 10 so as to limit the translation of the shell 10 towards the front end A of the device.
  • the shim 12 of the abutment means 12 by a simple appropriate choice of the internal diameter 02 of the second arch 8 which will be smaller than the maximum diameter of the base 11 of the shell (for this the base 11 must be conical).
  • the diameter 02 will be chosen such that the possible displacement of the shell towards the rear part B of the device 1 until its abutment against the second arch 7 is sufficiently reduced so that the first hoop 5 still maintains the bomb's ogive.
  • the length of the rudder 2 will be chosen so that, when the base 11 of the shell 10 bears against the abutment means 12, the arches 5 and 7 are positioned at the level of shell portions 10 whose external diameters ⁇ 1 and ⁇ 2 are greater than the spacings E1 and E2 of the gaps 6 and 8. Thus the shell 10 rests well on the parts of the arches 5 and 7 adjacent air gaps 6 and 8.
  • the device 1 comprises a locking means 14.
  • the locking means 14 comprises a cam 14 which is pivotally mounted on an axis 18 relative to the spreader 2 and which is actuable by means of a handle 15.
  • the cam 14 thus bears on a part of the body of the shells located opposite the gaps 6 and 8 and pushes the shell body to the air gaps 6 and 8.
  • the handle 15 will be fixed to the cam so that the support of the cam 14 on the shell body is done automatically by simple action of gravity on the handle 15.
  • the attachment point 3 is located slightly in front of the center of gravity of the shell 10 so that, when the device carrying the shell is raised at this point 3, the assembly is slightly pointing the warhead 10 to the top so as to favor the removal of the shell on a weapon stretcher with a high pointage in site (stretcher and unrepresented weapon).
  • the device 1 comprises handles 16 and 17 at each of the arches 5 and 7 in order to promote the manipulation of the device 1 by an operator (operator not shown).
  • the method of gripping shells will now be described with reference to Figures 2 to 5.
  • a shell 10 is placed, waiting to be gripped, on a surface, such as the ground or a pallet of loading, (surface not shown).
  • the device 1 is placed in a situation leaning towards the front of the shell so as to have the first arch 5 positioned lower than the second arch 7 which is situated above the shell 10.
  • the device 1 is translated (arrow Tl) by an operator (operator not shown) towards the rear of the shell 10 by passing the nose 9 through the first arch 5.
  • the translation is interrupted when the second arch 7 is located behind the base 11 of the shell 10 as in FIG.
  • the first arch 5 is then on an outer diameter 03 of the nose 9, which may be equivalent to the inner diameter 01 of the first arch 5, this in the case where it was chosen to have an inner diameter 01 of the first arch 5 less than the maximum diameter 0max of the shell 10 and therefore less than the maximum diameter of the warhead 9.
  • the device 1 is then tilted (FIG. 3, arrow RI) so that the second arch 7 is positioned substantially coaxially with the shell (as in FIG. 4).
  • a translational movement (FIG. 4, arrow T2) of the device 1 towards the front of the shell 10 is then operated. parallel to the longitudinal axis of the shell until the base 11 of the shell bears on the abutment means 12.
  • the device 1 is then progressively raised by a hoist (arrow T3) thus allowing the shell 10 to rest on the parts of the arches 5 and 7 adjacent to the air gaps 6 and 8.
  • the operator then actuates the means blocking 14 (arrow R2) so that the latter bears in the direction of the air gaps 6 and 8 to prevent the shell 10, during any jolts, from translating into the device 1 which would risk cause the shell to fall.
  • the second arch 7 is situated at a sufficient distance D from the abutment means 12 and therefore from the rear face of the shell 10, in order to ensure a reserve of security for the maintenance of the rear of the shell. shell 10 by the second arch 7 in case of accidental translation of the shell forward A of the device 1.
  • the removal of the shell 10 is done by unrolling the process in the opposite direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

A device for gripping a shell and a gripping method implementing such a device. The invention relates to a gripping device (1) for gripping a shell (10) comprising a spreader (2) that comprises, between the two ends of same, an attachment point (3) intended to allow a hoist hook to be attached. Said gripping device (1) is characterised in that it comprises, at a first end or front end, a first open cradle (5) comprising a first gap (6) and intended to support the warhead (9) of a shell (10), the gripping device (1) comprising, at a second end or rear end, a second open cradle (7) comprising a second gap (8) and intended to support the base (11) of the shell (10), the first (5) and second (7) cradles having an internal diameter (Ø1 and Ø2) substantially greater than the part of the shell (10) that passes through them, the device (1) also comprising, at the second cradle (7), a stop means (12) intended to limit the translational movement of the shell (10) towards the rear end.

Description

Dispositif de préhension d'obus et procédé de préhension mettant en œuvre un tel dispositif A shell grasping device and a method of gripping using such a device
Le domaine technique de l'invention est celui des dispositifs de préhension pour obus et en particulier pour obus de gros calibre. The technical field of the invention is that of gripping devices for shells and in particular for large caliber shells.
Les obus de gros calibre (diamètre supérieur à 80 millimètres) sont lourds ce qui rend l'alimentation manuelle des pièces d'artillerie trop contraignante physiquement pour les servants des dites pièces, en particulier lors de cadences de tir rapide (plusieurs coups par minute) .  Large shells (diameter greater than 80 millimeters) are heavy which makes the manual supply of artillery pieces too physically restrictive for the servants of the pieces, especially during fast firing rates (several rounds per minute) .
Il est alors employé des moyens de chargement mécanisés tels que des grues décrites dans le brevet US5604327. On notera que la grue décrite par ce brevet comporte à son extrémité de levage un moyen de préhension d'obus destiné à saisir les obus depuis un poste de stockage puis à les déposer sur une civière de chargement.  It is then used mechanized loading means such as cranes described in US5604327. It will be noted that the crane described by this patent has at its lifting end a shell gripping means for grasping the shells from a storage station and then depositing them on a loading stretcher.
Le guidage de cette opération se fait manuellement compte tenu de la précision requise, mais la saisie et le lâcher de l'obus se font mécaniquement ce qui grève le temps de transfert de l'obus entre son lieu de stockage initial et son lieu de pose finale. Le moyen de préhension est relativement complexe et encombrant ce qui requiert plus d'habileté de la part de l'opérateur et au final dégrade la cadence de tir.  The guiding of this operation is done manually taking into account the required precision, but the seizure and the release of the shell are done mechanically which strike the time of transfer of the shell between its initial place of storage and its place of installation final. The gripping means is relatively complex and cumbersome which requires more skill on the part of the operator and ultimately degrades the rate of fire.
L'invention se propose de résoudre le problème de complexité du moyen de préhension et donc, l'invention se propose aussi d'améliorer la cadence de transfert des obus et la cadence d'alimentation d'une pièce d'artillerie.  The invention proposes to solve the problem of complexity of the gripping means and therefore, the invention also proposes to improve the rate of transfer of the shells and the feed rate of an artillery piece.
Ainsi, l'invention porte sur un dispositif de préhension pour obus comportant un palonnier comportant entre ses deux extrémités un point d'accrochage destiné à permettre la fixation d'un crochet de palan, dispositif de préhension pour obus caractérisé en ce qu'il comporte au niveau d'une première extrémité ou extrémité avant un premier arceau ouvert comportant un premier entrefer et destiné à supporter l'ogive d'un obus, dispositif de préhension comportant au niveau d'une seconde extrémité ou extrémité arrière un second arceau ouvert comportant un second entrefer et destiné à supporter le culot de l'obus, les premier et second arceaux ayant un diamètre interne sensiblement supérieur à la partie de l'obus qui les traverse, dispositif comportant également au niveau du second arceau un moyen de butée destiné à limiter la translation de l'obus en direction de l'extrémité arrière. Thus, the invention relates to a gripping device for shells comprising a spreader comprising between its two ends a hooking point intended to allow the attachment of a hoist hook, gripping device for shells characterized in that it comprises at a first end or front end a first hoop openwork comprising a first air gap and intended to support the nose of a shell, a gripping device comprising at a second end or a rear end a second open arch having a second gap and intended to support the base of the shell, the first and second hoops having an internal diameter substantially greater than the part of the shell which passes through them, the device also comprising at the level of the second hoop an abutment means intended to limit the translation of the shell towards the rear end .
Avantageusement, le dispositif comporte un moyen de blocage destiné à prendre appui sur un coté de l'obus opposé à l'entrefer d'un arceau.  Advantageously, the device comprises a locking means intended to bear on one side of the shell opposite to the gap of an arch.
Avantageusement, le moyen de blocage comporte une came destinée à prendre appui sur l'obus, came articulée sur le palonnier par une liaison pivot.  Advantageously, the locking means comprises a cam intended to bear on the shell, cam articulated on the rudder by a pivot connection.
Avantageusement, le diamètre interne du premier arceau est inférieur au plus grand diamètre de l'obus.  Advantageously, the internal diameter of the first arch is smaller than the largest diameter of the shell.
Avantageusement, le moyen de butée comporte une cale située à une distance D du second arceau et destinée à prendre appui sur la face arrière du culot.  Advantageously, the abutment means comprises a shim located at a distance D from the second arch and intended to bear on the rear face of the base.
Avantageusement, le moyen de butée consiste en un diamètre interne du second arceau inférieur au diamètre maximal du culot.  Advantageously, the abutment means consists of an internal diameter of the second arch lower than the maximum diameter of the base.
Avantageusement, chaque arceau comporte une poignée.  Advantageously, each arch has a handle.
Avantageusement, le point d'accrochage est situé plus proche de l'extrémité avant que de l'extrémité arrière du palonnier .  Advantageously, the attachment point is located closer to the front end than the rear end of the rudder.
L'invention porte aussi sur un procédé de préhension d'un obus dans lequel on met en œuvre un tel dispositif, procédé comportant les étapes suivantes :  The invention also relates to a method for gripping a shell in which such a device is implemented, the method comprising the following steps:
-placer le premier arceau autour de l'ogive de l'obus et le second arceau au-dessus du culot de l'obus, -reculer le dispositif ainsi placé jusqu'à ce que le second arceau se situe en arrière du culot, - place the first arch around the shell's warhead and the second arch above the base of the shell, -retrase the device thus placed until the second arch is behind the base,
-abaisser le second arceau jusqu'à l'aligner avec l'axe de l'obus,  lower the second arch until it aligns with the axis of the shell,
-avancer le dispositif jusqu'à amener le moyen de butée en contact avec le culot,  advance the device until the abutment means come into contact with the base,
-soulever le dispositif lié à l'obus par son point d' accrochage . L' invention sera mieux comprise à la lecture de la description suivante, description faite en référence aux dessins en annexe, dessins dans lesquels :  lift the device linked to the shell by its point of attachment. The invention will be better understood on reading the following description, description made with reference to the appended drawings, drawings in which:
La figure 1 représente une vue de trois quarts d'un dispositif selon l'invention transportant un obus.  Figure 1 shows a three-quarter view of a device according to the invention carrying a shell.
La figure 2 représente une vue de trois quarts d'une première étape de saisie d'un obus.  Figure 2 shows a three-quarter view of a first step of entering a shell.
La figure 3 représente une vue de trois quarts d'une seconde étape de saisie d'un obus.  Figure 3 shows a three-quarter view of a second shell entry step.
La figure 4 représente une vue de trois quarts d'une troisième étape de saisie d'un obus.  Figure 4 shows a three-quarter view of a third shell entry step.
La figure 5 représente une vue de trois quarts d'une quatrième étape de saisie d'un obus.  Figure 5 shows a three-quarter view of a fourth shell entry step.
La figure 6 représente une vue axiale avant d'un dispositif selon l'invention transportant un obus.  Figure 6 shows a front axial view of a device according to the invention carrying a shell.
Selon les figures 1 et 6, un dispositif 1 de préhension d'un obus 10 comporte un palonnier 2. Ce palonnier 2 est une barre comportant un perçage 3 constituant un point d'accrochage 3 destiné au levage. On pourra insérer dans ce perçage 3 une manille 4 ou bien directement un crochet de palan destiné au levage du dispositif 1. According to FIGS. 1 and 6, a device 1 for grasping a shell 10 comprises a spreader 2. This beam 2 is a bar comprising a hole 3 constituting a hooking point 3 intended for lifting. It is possible to insert in this piercing 3 a shackle 4 or directly a hoist hook for lifting the device 1.
Une première extrémité A (ou extrémité avant) du palonnier 2 porte un premier arceau 5 qui comporte une armature sensiblement circulaire 5 qui est interrompue par une ouverture 6 formant un premier entrefer 6 d' écartement El. Ce premier entrefer 6 est situé, sur le premier arceau 5, à l'opposé de l'endroit où le palonnier 2 est rendu solidaire du premier arceau 5. Le premier arceau 5 est fixé au palonnier 2 par exemple par soudage. A first end A (or front end) of the rudder 2 carries a first hoop 5 which has a substantially circular frame 5 which is interrupted by an opening 6 forming a first air gap 6 of spacing E1. This first air gap 6 is located, on the first arch 5, opposite the location where the crossbar 2 is secured to the first arch 5. The first arch 5 is fixed to the spreader 2 for example by welding.
Selon la figure 1, une seconde extrémité du palonnier 2 (ou extrémité arrière B) porte un second arceau 7 qui comporte une armature sensiblement circulaire 7 qui est interrompue par une ouverture 8 formant un second entrefer 8 d' écartement E2. Cet entrefer 8 est situé, relativement au second arceau 7, à l'opposé de l'endroit où le palonnier 2 est solidaire du second arceau 7. Le second arceau 7 est fixé au palonnier 2 par exemple par soudage.  According to Figure 1, a second end of the beam 2 (or rear end B) carries a second arch 7 which has a substantially circular reinforcement 7 which is interrupted by an opening 8 forming a second air gap 8 E2 spacing. This air gap 8 is located, relative to the second arch 7, opposite the place where the crossbar 2 is secured to the second arch 7. The second arch 7 is fixed to the crossbar 2 for example by welding.
Selon la figure 6, le premier arceau 5 est destiné à soutenir l'ogive 9 d'un obus 10 par appui de celle-ci sur l'intérieur du premier arceau 5 au voisinage du premier entrefer 6.  According to FIG. 6, the first arch 5 is intended to support the ogive 9 of a shell 10 by bearing thereof on the inside of the first arch 5 in the vicinity of the first gap 6.
En référence à la figure 1, le second arceau 7 est destiné à soutenir le culot 11 de l'obus 10 par appui de celui-ci sur l'intérieur du second arceau 7 au voisinage du second entrefer 8.  With reference to FIG. 1, the second arch 7 is intended to support the base 11 of the shell 10 by bearing it on the inside of the second arch 7 in the vicinity of the second gap 8.
Le second arceau 7 comporte un moyen de butée 12 destiné à limiter la translation de l'obus 10 vers l'extrémité arrière B du palonnier. Ce moyen de butée 12 comporte une cale 12 située à une distance D du second arceau 7 (figure 5) et qui est destinée à prendre appui sur la face arrière du culot 11 (la distance D sera mieux vue à la figure 5) .  The second arch 7 comprises a stop means 12 for limiting the translation of the shell 10 towards the rear end B of the lifter. This abutment means 12 comprises a shim 12 situated at a distance D from the second arch 7 (FIG. 5) and which is intended to bear on the rear face of the base 11 (the distance D will be better seen in FIG. 5).
Lorsque le culot 11 de l'obus 10 est en appui sur le moyen de butée 12, on note que les diamètres 01 et 02 internes de chaque arceau 5 et 7 sont notablement supérieurs aux diamètres externes Ω1 et Ω2 des portions transversales d'obus qui sont respectivement soutenues par les arceaux 5 et 7. Les écartements El et E2 des entrefers 6 et 8 sont cependant moindres que les diamètres externes Ω1 et Ω2 des portions d'obus précités pour permettre le soutien de l'obus. When the base 11 of the shell 10 bears on the abutment means 12, it is noted that the inner diameters 01 and 02 of each arch 5 and 7 are significantly greater than the external diameters Ω1 and Ω2 of the transverse portions of the shells which are respectively supported by the arches 5 and 7. The spacings E1 and E2 of the air gaps 6 and 8 are, however, less than the external diameters Ω1 and Ω2 of the aforementioned shell portions to enable the support of the shell.
Cette caractéristique est plus particulièrement visible à la figure 6 pour ce qui concerne le premier arceau 5 et l'ogive 9.  This characteristic is more particularly visible in FIG. 6 as regards the first arch 5 and the ogive 9.
Les diamètres internes 01 et 02 des arceaux 5 et 7 sont prévus supérieurs à ceux des portions d'obus qui les traversent de manière à laisser une certaine liberté de mouvement en translation longitudinale du dispositif par rapport à l'obus pour permettre sa saisie et sa dépose selon le procédé décrit plus loin.  The internal diameters 01 and 02 of the arches 5 and 7 are greater than those of the shell portions which pass therethrough so as to allow a certain freedom of movement in longitudinal translation of the device relative to the shell to allow its grip and its deposit according to the method described below.
La largeur maximale externe des arceaux 5 et 7 pourra être par ailleurs choisie de façon à être inférieure au diamètre maximal 0max de l'obus 10 afin que le dispositif 1 n' interfère pas avec une éventuelle goulotte de dépose de l'obus au niveau d'une pièce d'artillerie (goulotte et pièce non représentées) .  The maximum external width of the hoops 5 and 7 may also be chosen to be smaller than the maximum diameter 0max of the shell 10 so that the device 1 does not interfere with a possible chute for removing the shell at the level of a piece of artillery (chute and part not represented).
Les entrefers 6 et 8 des arceaux 5 et 7 permettent de limiter l'amplitude des mouvements de saisie et dépose de l'obus 10 tels que décrit plus loin, ce qui améliore considérablement la rapidité d'alimentation de l'arme.  The air gaps 6 and 8 of the arches 5 and 7 make it possible to limit the amplitude of the gripping movements and to deposit the shell 10 as described below, which considerably improves the speed of supply of the weapon.
Les entrefers permettent aussi d'éviter les interférences du dispositif avec une surface sur laquelle repose l'obus lors de sa saisie ou de sa dépose.  The air gaps also make it possible to avoid interference of the device with a surface on which the shell rests during its seizure or removal.
On notera aussi que le diamètre interne 01 du premier arceau 5 pourra être inférieur au diamètre maximal 0max de l'obus 10 de manière à limiter la translation de l'obus 10 en direction de l'extrémité avant A du dispositif.  Note also that the inner diameter 01 of the first arch 5 may be smaller than the maximum diameter 0max of the shell 10 so as to limit the translation of the shell 10 towards the front end A of the device.
Selon un autre mode de réalisation (non représenté) , on pourra remplacer la cale 12 du moyen de butée 12 par un simple choix approprié du diamètre interne 02 du second arceau 8 qui sera inférieur au diamètre maximal du culot 11 de l'obus (pour cela le culot 11 doit être conique) . Pour le type d'obus considéré, le diamètre 02 sera choisi tel que le déplacement possible de l'obus vers la partie arrière B du dispositif 1 jusqu'à sa mise en butée contre le second arceau 7 soit suffisamment réduit pour que le premier arceau 5 assure encore le maintien de l'ogive 9 de l'obus. According to another embodiment (not shown), it is possible to replace the shim 12 of the abutment means 12 by a simple appropriate choice of the internal diameter 02 of the second arch 8 which will be smaller than the maximum diameter of the base 11 of the shell (for this the base 11 must be conical). For the type of shells considered, the diameter 02 will be chosen such that the possible displacement of the shell towards the rear part B of the device 1 until its abutment against the second arch 7 is sufficiently reduced so that the first hoop 5 still maintains the bomb's ogive.
De manière générale, la longueur du palonnier 2 sera choisie de telle façon que, lorsque le culot 11 de l'obus 10 est en appui sur le moyen de butée 12, les arceaux 5 et 7 soient positionnés au niveau de portions d'obus 10 dont les diamètres externes Ω1 et Ω2 sont supérieurs aux écartements El et E2 des entrefers 6 et 8. Ainsi l'obus 10 repose bien sur les parties des arceaux 5 et 7 voisines des entrefers 6 et 8.  In general, the length of the rudder 2 will be chosen so that, when the base 11 of the shell 10 bears against the abutment means 12, the arches 5 and 7 are positioned at the level of shell portions 10 whose external diameters Ω1 and Ω2 are greater than the spacings E1 and E2 of the gaps 6 and 8. Thus the shell 10 rests well on the parts of the arches 5 and 7 adjacent air gaps 6 and 8.
Afin d'assurer un maintien de l'obus 10 en appui sur ces parties des arceaux 5 et 7, le dispositif 1 comporte un moyen de blocage 14.  In order to maintain the shell 10 resting on these parts of the arches 5 and 7, the device 1 comprises a locking means 14.
Le moyen de blocage 14 comporte une came 14 qui est montée pivotante sur un axe 18 par rapport au palonnier 2 et qui est actionnable à l'aide d'une poignée 15. La came 14 prend ainsi appui sur une partie du corps de l'obus située à l'opposé des entrefers 6 et 8 et pousse le corps d'obus vers les entrefers 6 et 8.  The locking means 14 comprises a cam 14 which is pivotally mounted on an axis 18 relative to the spreader 2 and which is actuable by means of a handle 15. The cam 14 thus bears on a part of the body of the shells located opposite the gaps 6 and 8 and pushes the shell body to the air gaps 6 and 8.
Idéalement la poignée 15 sera fixée à la came de manière à ce que l'appui de la came 14 sur le corps d'obus se fasse automatiquement par simple action de la gravité sur la poignée 15.  Ideally the handle 15 will be fixed to the cam so that the support of the cam 14 on the shell body is done automatically by simple action of gravity on the handle 15.
Le point d'accrochage 3 est situé légèrement en avant du centre de gravité de l'obus 10 afin que, lorsque le dispositif portant l'obus est soulevé au niveau de ce point 3, l'ensemble fasse pointer légèrement l'ogive 10 vers le haut de manière à favoriser la dépose de l'obus sur une civière d'arme avec un fort pointage en site (civière et arme non représentées) . On pourra prévoir un second point d'accrochage 3a situé au-dessus du centre de gravité de l'ensemble obus 10 et dispositif 1 pour permettre de positionner le dispositif 1 sensiblement à l'horizontale. The attachment point 3 is located slightly in front of the center of gravity of the shell 10 so that, when the device carrying the shell is raised at this point 3, the assembly is slightly pointing the warhead 10 to the top so as to favor the removal of the shell on a weapon stretcher with a high pointage in site (stretcher and unrepresented weapon). We can provide a second attachment point 3a located above the center of gravity of the shell assembly 10 and device 1 to allow to position the device 1 substantially horizontally.
On notera selon la figure 1 que le dispositif 1 comporte des poignées 16 et 17 au niveau de chacun des arceaux 5 et 7 afin de favoriser la manipulation du dispositif 1 par un opérateur (opérateur non représenté) . Le procédé de préhension d'obus va maintenant être décrit en référence aux figures 2 à 5.  It will be noted according to FIG. 1 that the device 1 comprises handles 16 and 17 at each of the arches 5 and 7 in order to promote the manipulation of the device 1 by an operator (operator not shown). The method of gripping shells will now be described with reference to Figures 2 to 5.
Selon la figure 2, un obus 10 est posé, en attente d'être saisi, sur une surface, telle que le sol ou une palette de chargement, (surface non représentée) . Le dispositif 1 est placé dans une situation penchée vers l'avant de l'obus de manière à avoir le premier arceau 5 positionné plus bas que le second arceau 7 qui est situé au-dessus de l'obus 10.  According to FIG. 2, a shell 10 is placed, waiting to be gripped, on a surface, such as the ground or a pallet of loading, (surface not shown). The device 1 is placed in a situation leaning towards the front of the shell so as to have the first arch 5 positioned lower than the second arch 7 which is situated above the shell 10.
Ainsi penché, le dispositif 1 est translaté (flèche Tl) par un opérateur (opérateur non représenté) en direction de l'arrière de l'obus 10 en faisant passer l'ogive 9 au travers du premier arceau 5. La translation est interrompue lorsque le second arceau 7 se situe en arrière du culot 11 de l'obus 10 tel qu'à la figure 2.  Thus bent, the device 1 is translated (arrow Tl) by an operator (operator not shown) towards the rear of the shell 10 by passing the nose 9 through the first arch 5. The translation is interrupted when the second arch 7 is located behind the base 11 of the shell 10 as in FIG.
Le premier arceau 5 se situe alors sur un diamètre externe 03, de l'ogive 9, pouvant être équivalent au diamètre interne 01 du premier arceau 5, ceci dans le cas où il a été choisi d'avoir un diamètre interne 01 du premier arceau 5 inférieur au diamètre maximal 0max de l'obus 10 et donc inférieur au diamètre maximal de l'ogive 9.  The first arch 5 is then on an outer diameter 03 of the nose 9, which may be equivalent to the inner diameter 01 of the first arch 5, this in the case where it was chosen to have an inner diameter 01 of the first arch 5 less than the maximum diameter 0max of the shell 10 and therefore less than the maximum diameter of the warhead 9.
Le dispositif 1 est ensuite basculé (figure 3, flèche RI) de manière à ce que le second arceau 7 soit positionné sensiblement coaxialement à l'obus (comme à la figure 4) .  The device 1 is then tilted (FIG. 3, arrow RI) so that the second arch 7 is positioned substantially coaxially with the shell (as in FIG. 4).
Un mouvement de translation (figure 4, flèche T2) du dispositif 1 vers l'avant de l'obus 10 est alors opéré parallèlement à l'axe longitudinal de l'obus jusqu'à ce que le culot 11 de l'obus soit en appui sur le moyen de butée 12. A translational movement (FIG. 4, arrow T2) of the device 1 towards the front of the shell 10 is then operated. parallel to the longitudinal axis of the shell until the base 11 of the shell bears on the abutment means 12.
Selon la figure 5, le dispositif 1 est ensuite progressivement soulevé par un palan (flèche T3) permettant ainsi à l'obus 10 de reposer sur les parties des arceaux 5 et 7 voisines des entrefers 6 et 8. L'opérateur actionne alors le moyen de blocage 14 (flèche R2) de manière à ce que celui- ci exerce un appui en direction des entrefers 6 et 8 pour éviter à l'obus 10, lors d'éventuels soubresauts, de se translater dans le dispositif 1 ce qui risquerait d'entraîner la chute de l'obus 10.  According to FIG. 5, the device 1 is then progressively raised by a hoist (arrow T3) thus allowing the shell 10 to rest on the parts of the arches 5 and 7 adjacent to the air gaps 6 and 8. The operator then actuates the means blocking 14 (arrow R2) so that the latter bears in the direction of the air gaps 6 and 8 to prevent the shell 10, during any jolts, from translating into the device 1 which would risk cause the shell to fall.
A cette fin, le second arceau 7 est situé à une distance suffisante D du moyen de butée 12 et donc de la face arrière de l'obus 10, afin d'assurer une réserve de sécurité pour le maintien de l'arrière de l'obus 10 par le second arceau 7 en cas de translation accidentelle de l'obus vers l'avant A du dispositif 1.  For this purpose, the second arch 7 is situated at a sufficient distance D from the abutment means 12 and therefore from the rear face of the shell 10, in order to ensure a reserve of security for the maintenance of the rear of the shell. shell 10 by the second arch 7 in case of accidental translation of the shell forward A of the device 1.
La dépose de l'obus 10 se fait en déroulant le procédé en sens inverse.  The removal of the shell 10 is done by unrolling the process in the opposite direction.

Claims

REVENDICATIONS
1- Dispositif de préhension (1) pour obus (10) comportant un palonnier (2) comportant entre ses deux extrémités un point d'accrochage (3) destiné à permettre la fixation d'un crochet de palan, dispositif de préhension (1) pour obus (10) caractérisé en ce qu'il comporte au niveau d'une première extrémité ou extrémité avant un premier arceau (5) ouvert comportant un premier entrefer (6) et destiné à supporter l'ogive (9) d'un obus (10), dispositif de préhension (1) comportant au niveau d'une seconde extrémité ou extrémité arrière un second arceau (7) ouvert comportant un second entrefer (8) et destiné à supporter le culot (11) de l'obus (10), les premier (5) et second (7) arceaux ayant un diamètre interne (01,02) sensiblement supérieur à la partie de l'obus (10) qui les traverse, dispositif (1) comportant également au niveau du second arceau (7) un moyen de butée (12) destiné à limiter la translation de l'obus (10) en direction de l'extrémité arrière. 1-gripping device (1) for shells (10) comprising a spreader (2) having between its two ends a hooking point (3) for allowing the attachment of a hoist hook, gripping device (1) for shells (10) characterized in that it comprises at a first end or front end a first arch (5) open having a first air gap (6) and intended to support the warhead (9) of a shell (10), gripping device (1) comprising at a second end or a rear end a second open arch (7) having a second gap (8) and for supporting the base (11) of the shell (10). ), the first (5) and second (7) arches having an internal diameter (01, 02) substantially greater than the part of the shell (10) passing through them, the device (1) also comprising at the level of the second arch ( 7) an abutment means (12) for limiting the translation of the shell (10) towards the rear end.
2- Dispositif de préhension (1) pour obus (10) selon la revendication 1, caractérisé en ce qu'il comporte un moyen de blocage (14) destiné à prendre appui sur un coté de l'obus (10) opposé à l'entrefer (6) d'un arceau (5) . 2- A gripping device (1) for shells (10) according to claim 1, characterized in that it comprises a locking means (14) intended to bear on one side of the shell (10) opposite to the air gap (6) of a bow (5).
3- Dispositif de préhension (1) pour obus (10) selon la revendication 2, caractérisé en ce que le moyen de blocage (14) comporte une came (14) destinée à prendre appui sur l'obus (10), came (14) articulée sur le palonnier (2) par une liaison pivot. 3- gripping device (1) for shells (10) according to claim 2, characterized in that the locking means (14) comprises a cam (14) intended to bear on the shell (10), cam (14). ) articulated on the spreader (2) by a pivot connection.
4- Dispositif (1) de préhension pour obus (10) selon une des revendications 1 à 3, caractérisé en ce que le diamètre interne (01) du premier arceau (5) est inférieur au plus grand diamètre (0max) de l'obus (10) . 5- Dispositif de préhension (1) pour obus (10) selon une des revendications 1 à 4, caractérisé en ce que le moyen de butée (12) comporte une cale (12) située à une distance D du second arceau (7) et destinée à prendre appui sur la face arrière du culot (11) . 4- Device (1) gripping shell (10) according to one of claims 1 to 3, characterized in that the inner diameter (01) of the first arch (5) is smaller than the largest diameter (0max) of the shell (10). 5- gripping device (1) for shells (10) according to one of claims 1 to 4, characterized in that the abutment means (12) comprises a shim (12) located at a distance D from the second arch (7) and intended to bear on the rear face of the base (11).
6- Dispositif de préhension (1) pour obus (10) selon une des revendications 1 à 4, caractérisé en ce que le moyen de butée (12) consiste en un diamètre interne (02) du second arceau (7) inférieur au diamètre maximal (0max) du culot (11) · 6. gripping device (1) for shells (10) according to one of claims 1 to 4, characterized in that the abutment means (12) consists of an inner diameter (02) of the second arch (7) less than the maximum diameter (0max) of the base (11) ·
7- Dispositif de préhension (1) pour obus (10) selon une des revendications 1 à 6, caractérisé en ce que chaque arceau (5,7) comporte une poignée (16,17). 7- grasping device (1) for shells (10) according to one of claims 1 to 6, characterized in that each arch (5,7) comprises a handle (16,17).
8- Dispositif de préhension (1) pour obus (10) selon une des revendications 1 à 7, caractérisé le point d'accrochage (3) est situé plus proche de l'extrémité avant que de l'extrémité arrière du palonnier (2) . 8- grasping device (1) for shells (10) according to one of claims 1 to 7, characterized the attachment point (3) is located closer to the front end than the rear end of the lifter (2) .
9- Procédé de préhension (1) d'un obus (10) dans lequel on met en œuvre un dispositif (1) selon une des revendications précédentes, procédé comportant les étapes suivantes : 9- A method of gripping (1) a shell (10) in which is implemented a device (1) according to one of the preceding claims, the method comprising the following steps:
-placer le premier arceau (5) autour de l'ogive (9) de l'obus (10) et le second arceau (7) au-dessus du culot (11) de l' obus (10) ,  placing the first arch (5) around the nose (9) of the shell (10) and the second arch (7) above the base (11) of the shell (10),
-reculer le dispositif (1) ainsi placé jusqu'à ce que le second arceau (7) se situe en arrière du culot (11) , -abaisser le second arceau (7) jusqu'à l'aligner avec l'axe de l'obus (10), -avancer le dispositif (1) jusqu'à amener le moyen de butée (12) en contact avec le culot (11), -retrase the device (1) thus placed until the second arch (7) is behind the base (11), - lower the second arch (7) to align with the axis of the shell (10), advance the device (1) until the abutment means (12) are brought into contact with the base (11),
-soulever le dispositif (1) lié à l'obus (10) par son point d'accrochage (3).  lift the device (1) connected to the shell (10) by its point of attachment (3).
PCT/EP2015/059422 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device WO2015166008A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP15723442.8A EP3137840B1 (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device
KR1020167032028A KR102214946B1 (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device
PL15723442T PL3137840T3 (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device
SG11201608994QA SG11201608994QA (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device
ES15723442.8T ES2668353T3 (en) 2014-04-30 2015-04-29 Howitzer grip device and grip procedure that employs such device
DK15723442.8T DK3137840T3 (en) 2014-04-30 2015-04-29 Grabbing device for grabbing a grenade and method for implementing such a device
BR112016024347-1A BR112016024347B1 (en) 2014-04-30 2015-04-29 DEVICE TO CATCH A CARTRIDGE AND CATCH METHOD IMPLEMENTING A DEVICE OF THIS TYPE
RS20180572A RS57224B1 (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device
IL248437A IL248437B (en) 2014-04-30 2016-10-20 Device for gripping a shell and gripping method implementing such a device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1401042 2014-04-30
FR1401042A FR3020672B1 (en) 2014-04-30 2014-04-30 SHELL GRIPPING DEVICE AND GRIPPING PROCESS IMPLEMENTING SUCH A DEVICE

Publications (1)

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WO2015166008A1 true WO2015166008A1 (en) 2015-11-05

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PCT/EP2015/059422 WO2015166008A1 (en) 2014-04-30 2015-04-29 Device for gripping a shell and gripping method implementing such a device

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EP (1) EP3137840B1 (en)
KR (1) KR102214946B1 (en)
BR (1) BR112016024347B1 (en)
DK (1) DK3137840T3 (en)
ES (1) ES2668353T3 (en)
FR (1) FR3020672B1 (en)
IL (1) IL248437B (en)
PL (1) PL3137840T3 (en)
RS (1) RS57224B1 (en)
SG (1) SG11201608994QA (en)
TR (1) TR201808065T4 (en)
WO (1) WO2015166008A1 (en)

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Publication number Priority date Publication date Assignee Title
FR3072372B1 (en) * 2017-10-12 2019-09-13 Nexter Systems GRIPPING DEVICE FOR OBUS
KR102533773B1 (en) * 2018-08-20 2023-05-16 대우조선해양 주식회사 Strongback apparatus for mounting a torpedo
KR102044164B1 (en) 2019-04-08 2019-11-13 주식회사 혁신 Elevator Emergency Operator
KR102383493B1 (en) 2020-06-17 2022-04-06 주식회사 한화 Lifting apparatus using lifting beam
KR102406551B1 (en) 2022-04-06 2022-06-08 최혁 Deck construction method using rotating bracket
KR102433484B1 (en) 2022-04-18 2022-08-18 최혁 Deck construction method with spring clip applied
KR20230164275A (en) 2022-05-25 2023-12-04 한화에어로스페이스 주식회사 Automatic horizontal lifting apparatus and lifting method using the same
KR102668446B1 (en) 2022-08-23 2024-05-22 최혁 Deck construction method using rotating bracket

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US1039727A (en) * 1911-07-18 1912-10-01 Yale & Towne Mfg Co Grapple.
GB106390A (en) * 1916-08-31 1917-05-24 Robert Rankin Sherriff Improvements in or relating to Carriers for Transporting Shells and other Heavy Bodies.
FR2472163A1 (en) * 1979-12-18 1981-06-26 Bofors Ab APPARATUS FOR RAISING AND TRANSPORTING ARTILLERY AMMUNITION
US5604327A (en) 1993-12-17 1997-02-18 Bofors Ab Ordnance

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Publication number Priority date Publication date Assignee Title
GB0106390D0 (en) 2001-03-15 2001-05-02 British Autogard Load indicating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1039727A (en) * 1911-07-18 1912-10-01 Yale & Towne Mfg Co Grapple.
GB106390A (en) * 1916-08-31 1917-05-24 Robert Rankin Sherriff Improvements in or relating to Carriers for Transporting Shells and other Heavy Bodies.
FR2472163A1 (en) * 1979-12-18 1981-06-26 Bofors Ab APPARATUS FOR RAISING AND TRANSPORTING ARTILLERY AMMUNITION
US5604327A (en) 1993-12-17 1997-02-18 Bofors Ab Ordnance

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SG11201608994QA (en) 2016-12-29
RS57224B1 (en) 2018-07-31
KR20170005814A (en) 2017-01-16
TR201808065T4 (en) 2018-06-21
DK3137840T3 (en) 2018-05-22
BR112016024347A2 (en) 2017-08-15
FR3020672A1 (en) 2015-11-06
EP3137840A1 (en) 2017-03-08
PL3137840T3 (en) 2018-05-30
KR102214946B1 (en) 2021-02-10
IL248437A0 (en) 2016-12-29
EP3137840B1 (en) 2018-03-14
BR112016024347B1 (en) 2022-10-04
IL248437B (en) 2020-08-31
FR3020672B1 (en) 2016-05-06
ES2668353T3 (en) 2018-05-17

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