EP0067762B1 - Dispositif d'introduction d'objets allongés dans un couloir de transport - Google Patents

Dispositif d'introduction d'objets allongés dans un couloir de transport Download PDF

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Publication number
EP0067762B1
EP0067762B1 EP82401025A EP82401025A EP0067762B1 EP 0067762 B1 EP0067762 B1 EP 0067762B1 EP 82401025 A EP82401025 A EP 82401025A EP 82401025 A EP82401025 A EP 82401025A EP 0067762 B1 EP0067762 B1 EP 0067762B1
Authority
EP
European Patent Office
Prior art keywords
disc
transfer
speed
rotation
reception
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
Application number
EP82401025A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0067762A1 (fr
Inventor
Hervé Voillot
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.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Priority to AT82401025T priority Critical patent/ATE11396T1/de
Publication of EP0067762A1 publication Critical patent/EP0067762A1/fr
Application granted granted Critical
Publication of EP0067762B1 publication Critical patent/EP0067762B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/01—Feeding of unbelted ammunition
    • F41A9/02—Feeding of unbelted ammunition using wheel conveyors, e.g. star-wheel-shaped conveyors

Definitions

  • the subject of the invention is a device for introducing elongated objects into a corridor for transferring these objects one beside the other in a direction perpendicular to their axis and applies more particularly to the supply of ammunition from artillery turrets.
  • An artillery turret consists schematically of a barrel tube mounted on a frame oscillating around two trunnions defining a horizontal axis on a rotating support itself around a vertical axis.
  • the ammunition is placed in a hold located below the carriage and must therefore be led one after the other to the barrel tube.
  • the hold is connected to the carriage by a feed corridor in which the ammunition, introduced automatically or manually, moves one behind the other in the direction of their axes.
  • the ammunition passes in a transfer corridor which brings them to the tube and which therefore consists of two parts, a fixed corridor placed in the carriage and a mobile corridor placed in the oscillating chassis .
  • the ammunition moves one next to the other in a direction perpendicular to their axis, this arrangement in particular making it possible to rotate the ammunition gradually so as to bring it in a direction parallel to the barrel tube to facilitate their introduction into the breech.
  • the transfer corridor is provided with a series of plates with nested cells and rotatably mounted around axes perpendicular to that of the corridor, the latter being limited by two organs of parallel guidance spaced a distance equal to the diameter of the ammunition.
  • Each of the transfer trays comprises at least two cells of section corresponding to that of the object, each framed by two arms which respectively take care of the object coming from the previous tray and its push towards the next tray.
  • the next cell comes to take care of the object coming from the previous tray.
  • the cell trays have four cells separated by four arms and thus have the shape of a Maltese cross.
  • the invention provides a solution to this problem by means of a device making it possible to continuously introduce into the transfer corridor the ammunition arriving discontinuously at the exit from the supply corridor.
  • the introduction device comprises a tray for receiving objects at the exit from the feed corridor, up to which the guide members of the transfer corridor are extended, this tray comprising at least one cell capable of coming center on the axis of the feed corridor by rotation about an axis perpendicular to the guide members at regular intervals corresponding to the rhythm of succession of objects at the exit of the feed corridor; control means periodically determine the rotation of the receiving plate by an angle (A) corresponding to the replacement of the cell by the following in the axis of the feed corridor; an intermediate plate, also associated with the guide members and provided with cells in a number equal to that of the transfer plates, is interposed between the reception plate and the first transfer plate for the passage of objects from one to the other in the cells by rotation about an axis perpendicular to the guide members; the rotation of the intermediate plate is determined by means of continuous drive and at variable speed associated with means for controlling periodic progressive variations in the speed of rotation between an angular speed equal to that of the receiving plate and an equal angular speed to that of the transfer plate at each fraction
  • the means for periodically controlling the rotation of the receiving plate consists of an indexing member driven in continuous rotation by the general control means, at an angular speed of one revolution per replacement cycle of an object by the next and capable of engaging during a fraction of a turn on a ramp associated with each cell of the receiving plate and forming a cam for controlling the rotation of the plate at an angular speed progressively increasing or decreasing between two stopped positions separated by the replacement angle (A) of the cell.
  • the device comprises a single intermediate plate ensuring the connection between the reception plate and the first transfer plate and the indexing member determines an angular speed of rotation of the reception plate progressively increasing up to a speed equal to that of the transfer plates then progressively decreasing, the means for controlling the periodic variations in the speed of the intermediate plate determining a slowing down of said plate to a speed equal to that of the receiving plate then an increase in its speed in synchronism with the receiving tray up to the speed of the transfer trays during the rotation of the assembly necessary for the passage of objects from the receiving tray to the intermediate tray and finally maintaining the connection tray in synchronism with the transfer tray at less during the rotation of the angle necessary for the passage of the object from the intermediate plate to the first transfer plate, the speed slowing down again, at the start of the next cycle, until the speed of the receiving plate.
  • the means for driving the intermediate plate in rotation is constituted by a differential, one planetary of which is driven in rotation by the general control means, in synchronism with the transfer plates, the other planetary controlling the rotation of the intermediate plate, and the means for controlling the variations of the speed of the intermediate plate is an arm for controlling the orientation of the planet carrier shaft of the differential, the end of which cooperates with a cam driven in rotation by the general control means at an angular speed, of one revolution per cycle of replacement of an object and whose profile determines, by means of the differential and according to the transmission ratios, the continuous variation at each cycle of the speed of the intermediate plate between the speed of the receiving plate and the speed of the transfer plates.
  • the receiving tray is stopped for the time necessary for its loading by the ammunition coming from the feed corridor.
  • the ammunition is obviously separated by an interval which corresponds to the time necessary for the replacement of the cell of the receiving plate by the following.
  • This replacement is carried out itself at variable speed, the reception plate progressively increasing speed until turning at a speed higher than that of the transfer plates.
  • the intermediate plate driven in rotation in synchronism with the reception plate, was able to take charge of the ammunition coming from the latter. Thanks to this increase in speed, it was possible to make up for the position of the first transfer plate which is driven in continuous rotation.
  • the speed of the receiving plate and the intermediate plate is then reduced, at the end of the movement of taking over by the intermediate plate up to the speed of the transfer plates. From this moment, the receiving plate slows down again until it stops in the centering position of the next cell on the axis of the feed corridor and the intermediate plate takes the speed of the transfer plate to push ammunition to it.
  • FIG 1 there is schematically shown a vertical supply corridor 10 in which the ammunition M move one after the other1 following the direction of their axes, being separated by a safety space (e) .
  • the ammunition is housed in a pair of cell trays 1 and are led into the transfer corridor 30 via an intermediate corridor 20.
  • the transfer corridor is very conventionally made up of a series of nested cell plates 31 associated with parallel guides 4.
  • the intermediate passage 20 comprises a single pair of plates 2 interposed between the reception plates 1 and the first pair of plates 3 of the series of plates 3 ′ of the transfer passage 30.
  • intermediate plates 20 are associated with guides 40 placed in the extension of the guides 4 of the transfer corridor.
  • each transfer plate like the plate 3 has four cells between which the thrust arms are interposed.
  • the cells have a curvature which corresponds to that of the M munitions and the plates therefore, schematically, have the shape of a Maltese cross.
  • the guide members such as the guides 40 of the intermediate passage and the guides 4 of the transfer passage are parallel and spaced from each other by a distance equal to the diameter of the ammunition. This distance obviously corresponds to the place where the guide members are supported.
  • two pairs of guide members are used, one, 41, called front guide, bearing on the projectile while the other, 42 bears on the sleeve.
  • the diameters of the alveoli of the plates vary since one of the plates, called the front plate, bears on the projectile while the other plate, called the rear plate, bears on the sleeve.
  • the two front and rear plates are wedged on a common drive shaft perpendicular to the guide members and the shafts of the plates 31 of the transfer passage are driven synchronously and in the same direction by a general control means, not shown. This is why, everything relating to the front plate also applies to the rear plate and each time, subsequently, we speak of a plate, it will obviously be the pair of front and rear plates.
  • each plate 3 rotates 3/4 of a turn between the times when it takes charge of two successive munitions, that is to say at each cycle of replacement of an ammunition.
  • the plate must have four cells separated angularly by 1/4 of a turn. It is this consideration which leads to the use of a Maltese cross shape which is the most common, but one could, for example, have used trays with a single cell, leaving three free spaces between the munitions.
  • the intermediate plate 2 must include the same number of cells as the plate 3.
  • the receiving plate 1 could comprise only one cell since there is a certain time after the thrust of the ammunition out of the loaded cell to rotate the tray and bring the cell back into the axis of the feed corridor.
  • the receiving plate 1 is given the same Maltese cross shape with four cells as the other plates and, in this way, the angle (A) by which the plate 1 must be rotated to bring the next cell in the axis 10 of the supply corridor is 90 °.
  • the pairs of plates 1, 2, 3 are each wedged, respectively on rotation shafts 11, 21, 31 driven by pinions, respectively, 12, 22, 32 shown in the lower part of Figure 3 which is a schematic view general of the drive mechanism.
  • the pinion 32 for driving the shaft 31 of the plate 3 is controlled in synchronism with the control pinions of all the plates 3 'of the transfer corridor 30 by a kinematic chain of general control symbolized in FIG. 5 by a pinion 33 driven in rotation at a speed of 3/4 of a turn per cycle and which, in the figure, drives in the same direction and at the same speed the pinion 32 of the same diameter by means of a pinion 34.
  • the general control pinion 33 also controls the rotation of an indexer 5 consisting of a finger 50 fixed to the end of a crank wedged on a shaft 51 rotated by the pinion 33 via a pinion 52, the number of teeth of which is calculated as a function of that of the pinion 33 so that the shaft 51 rotates at a speed of 1 revolution per cycle.
  • the indexing finger 50 makes a full turn during the time for replacing one munition with the next.
  • the indexing finger 50 cooperates with an indexing plate 53 on which are formed four rectilinear grooves 54 directed the axis towards the plate 53 and spaced angularly by 90 °.
  • the depth of the grooves 54 corresponds to the position occupied by the indexing finger 50 when the crank 5 is directed towards the center of the plate 53.
  • the groove 54 therefore forms a cam whose profile determines the variation in speed and it is quite certain that if a rectilinear shape is simpler, one could imagine many other forms giving other laws of variation in speed.
  • the plate 53 therefore rotates 90 ° per cycle at a variable speed which depends on the shape of the cam 54.
  • a pinion 55 connected by a kinematic chain, for example a pinion 56, to the control pinion 12 of the shaft 11 of the receiving plate 1.
  • the pinions 12 and 55 have the same diameter and are rotated in the same direction and at the same speed.
  • the indexer 5 controls the rotation at 1/4 turn per cycle and at variable speed of the receiving plate 1.
  • the speed of rotation of the indexer 5 is adjusted as a function of the speed of desalination of the ammunition M in the feed corridor 10 so that the receiving plate 1 rotates 1/4 of a turn and therefore ensures replacement of a cell by the next one in a time (T) less than that which the munition M takes to traverse the space (e) which separates it from the previous one.
  • T time
  • the receiving plate pushes the ammunition M that it had in charge in the intermediate corridor 20 and puts the next cell back on hold in the axis of the supply corridor 10.
  • FIG. 8 is a diagram representing on the abscissa the angle of rotation of the indexing control shaft 51 rotating at one revolution per cycle, and on the ordinate the angles of rotation of the honeycomb plates.
  • the receiving plate 1 is stopped and its representative curve is therefore made up of two segments of horizontal lines (H C) and (F J) connected by a curve (C F).
  • the abscissas and ordinates of the extreme points (C) and (F) are separated by 90 ° since the plate 1 rotates 1/4 of a turn at a speed of 1 revolution per cycle, i.e. for 1/4 cycle.
  • the position of the points (C) and (F) as well as the shape of the curve (C F) are determined by the characteristics of the cam 54.
  • the speed of the receiving plate 1 gradually decreases until it is canceled out in (F).
  • the speed of the intermediate plate 2 is equal to that of the transfer plate 3 and the curve representative of the rotation of the plate 2 is therefore represented by the segment (EG) extended by the segment (AB), that is to say say to the point where the speed of the intermediate plate begins to decrease again for a new cycle. It is during this time that the ammunition is transferred from the intermediate plate 2 to the transfer plate 3.
  • the control pinion 22 wedged on the shaft 21 of the plate 2 is connected by a pinion 23 to a pinion 24 of the same diameter, so that the pinions 22 and 24 rotate in the same direction and at the same speed.
  • the pinion 24 is integral in rotation with a sun gear 61 of a differential 6, the other planetary 62 of which is integral in rotation with the pinion 35 (FIG. 5) driven in rotation at the same speed as the pinion 32 for driving the plates 3 and in reverse.
  • the differential 6 does not make any correction, the drive pinions 22 of the intermediate plate 2 and 32 of the transfer plate 3 are driven in the same direction and at the same speed by means of the planets. differential 6.
  • the satellites 63 of the differential 6 are carried by a central shaft 64 which is provided with a crank 65 carrying at its end a roller 66. This roller rolls on a cam 7 formed on a disc wedged on the shaft 51 for controlling indexing.
  • Figure 7 there is shown by way of example, on an enlarged scale, the profile that may have the cam 7 which cooperates with the roller 6 and the crank 65 to accelerate or decelerate the intermediate plate 2 relative to the transfer plate 3.
  • the plate 2 rotates at a speed lower than that of the plate 3 between the points (B) and (K) and at a higher speed between the points (K) and (E). If we take as an ordinate at each point the angular correction (p) which must be made, we can deduce the curve (L) representative of the correction which must be given by the cam. As indicated, this correction is distributed between the points (B ') and (K') of the cam and the point (K1) of the curve (L) angularly corresponds to the top K 'of the cam for which the correction is maximum.
  • the ratio between the ordinates (p1) of the curve (L) and the distances (p ') from the points of the cam to the center of rotation is calculated by taking into account the gear ratios given by the differential.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Conveyance Elements (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Chain Conveyers (AREA)
  • Escalators And Moving Walkways (AREA)
  • Relays Between Conveyors (AREA)
  • Reciprocating Conveyors (AREA)
EP82401025A 1981-06-09 1982-06-04 Dispositif d'introduction d'objets allongés dans un couloir de transport Expired EP0067762B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82401025T ATE11396T1 (de) 1981-06-09 1982-06-04 Einrichtung zum ueberfuehren laenglicher gegenstaende in einen foerderkanal.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8111306 1981-06-09
FR8111306A FR2507162A1 (fr) 1981-06-09 1981-06-09 Dispositif d'introduction d'objets allonges dans un couloir de transport

Publications (2)

Publication Number Publication Date
EP0067762A1 EP0067762A1 (fr) 1982-12-22
EP0067762B1 true EP0067762B1 (fr) 1985-01-23

Family

ID=9259301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401025A Expired EP0067762B1 (fr) 1981-06-09 1982-06-04 Dispositif d'introduction d'objets allongés dans un couloir de transport

Country Status (6)

Country Link
US (1) US4496041A (xx)
EP (1) EP0067762B1 (xx)
AT (1) ATE11396T1 (xx)
DE (1) DE3262030D1 (xx)
FR (1) FR2507162A1 (xx)
YU (1) YU114682A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055439A (en) * 1989-12-27 1991-10-08 International Business Machines Corporation Photoacid generating composition and sensitizer therefor
US5594192A (en) * 1995-03-10 1997-01-14 Martin Marietta Corporation Active ammunition magazine with improved chain conveyor
US6446783B1 (en) * 2000-06-30 2002-09-10 General Electric Company Electrode tip loading method and apparatus
AU2003270934A1 (en) * 2002-09-13 2004-04-30 Denel Ltd Ammunition feeding system
DE102020104465B3 (de) * 2020-02-20 2021-07-29 Krauss-Maffei Wegmann Gmbh & Co. Kg Magazin
CN111924463A (zh) * 2020-07-10 2020-11-13 安徽省桐城市雅格卫生材料有限公司 一种应用于工业场所的防尘口罩生产线

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885892A (en) * 1931-05-06 1932-11-01 American Mach & Foundry Two-speed collector belt for cigarette machines
FR931298A (fr) * 1945-08-20 1948-02-18 Bofors Ab Dispositif d'alimentation en cartouches
GB636252A (en) * 1946-08-19 1950-04-26 Vickers Armstrongs Ltd Improvements in gun-loading mechanism
US2993411A (en) * 1952-07-01 1961-07-25 Goldsmith Herbert Missile launcher
CH478395A (de) * 1967-07-26 1969-09-15 Oerlikon Buehrle Ag Raketenwerfer mit einem Magazin
US4143753A (en) * 1970-03-03 1979-03-13 Bergens Torsten E Conveying arrangement
US3992182A (en) * 1974-09-18 1976-11-16 Ppg Industries, Inc. Conveying sheets at non-uniform speed
FR2483066A1 (fr) * 1980-05-23 1981-11-27 Creusot Loire Dispositif de transport d'objets cylindriques tels que des munitions

Also Published As

Publication number Publication date
ATE11396T1 (de) 1985-02-15
FR2507162B1 (xx) 1983-10-14
DE3262030D1 (en) 1985-03-07
FR2507162A1 (fr) 1982-12-10
EP0067762A1 (fr) 1982-12-22
YU114682A (en) 1987-10-31
US4496041A (en) 1985-01-29

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