EP0098218A1 - Device for automatically locking a hatch cover in a closed or opened position - Google Patents

Device for automatically locking a hatch cover in a closed or opened position Download PDF

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Publication number
EP0098218A1
EP0098218A1 EP83401310A EP83401310A EP0098218A1 EP 0098218 A1 EP0098218 A1 EP 0098218A1 EP 83401310 A EP83401310 A EP 83401310A EP 83401310 A EP83401310 A EP 83401310A EP 0098218 A1 EP0098218 A1 EP 0098218A1
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EP
European Patent Office
Prior art keywords
jack
cylinder
panel
locking
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83401310A
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German (de)
French (fr)
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EP0098218B1 (en
Inventor
René Caillet
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Kone Corp
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Kone Corp
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Publication date
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Publication of EP0098218A1 publication Critical patent/EP0098218A1/en
Application granted granted Critical
Publication of EP0098218B1 publication Critical patent/EP0098218B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • B63B19/19—Hatch covers foldable
    • B63B19/197—Hatch covers foldable actuated by fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/24—Hatch fastenings, e.g. cleats

Definitions

  • the present invention aims to provide automatic locking either in the closed position, or in the open position, or even in the two positions by the actuating cylinder, thereby eliminating the auxiliary short-stroke cylinder.
  • Document FR-A-2 424 398 describes an arrangement of hatch covers which are moved by means of actuating cylinders between open and closed positions, and vice versa.
  • Securing devices are provided, such as the tabs carried by the panels and engaging under inclined retaining tabs.
  • securing means retain the panels only in the vertical direction and they do not oppose the horizontal displacements of the panel.
  • the actuating cylinders are actuated only during the closing and opening movements, but they are put to rest without pressure for the duration of the closing or of the opening, so that, without a lock making the connection between these jacks and the panels irreversible, the latter can, under the action of strong blades, especially in heavy weather, be subjected to forces having sufficient horizontal components to move the panels.
  • Document FR-A-2 424 398 provides (in FIGS. 2 to 4) an ovalized hole to allow horizontal release of the securing members from the retaining tabs, but this ovalized hole is not provided for the connection of the actuator. operation with the fixed structure or with the panel and it is in no way associated with a locking mechanism.
  • the device according to the invention for the automatic locking of a hatch cover in the closed or open position applied to a panel actuated irreversibly by an actuating cylinder is characterized in that the connection of the cylinder to the panel or to the fixed structure is carried out by means of a device allowing a limited movement which is carried out only under the action of the jack and which causes a locking mechanism at least at the end of the stroke of the jack and unlocking at the start of the reverse stroke of this jack, it can only act for an operation according to this reverse opening or closing stroke after unlocking has been completed.
  • the invention is particularly applicable to panels established in a single pivoting element or in two elements, these panels being actuated by an actuating cylinder for their opening and closing.
  • the displacement means actuated at one stroke end of the actuating cylinder can be a simple guidance of the cylinder end to impose a small displacement of this end relative to the structure to which it is connected, this guidance being able to be provided by example by an ovalized hole provided at one end of the jack to receive the hitch pin of this jack end so that at one end of the stroke of the jack, the body of this jack can move along its axis to control a locking mechanism.
  • the means for moving an end of a jack according to the invention can also be a short link interposed between this end and the structure to which it is connected, so that the movement of the link, at a stroke end of the jack, ensures the operation of a locking mechanism.
  • the displacement means can also be established in the form of a toggle to which is attached one end of the jack and which itself constitutes the irreversible locking mechanism thanks to the arrangement in alignment of the two ends of the toggle at the end of the cylinder stroke which ensures the functioning of a locking mechanism.
  • the displacement means can also be established in the form of a toggle to which is attached one end of the jack and which itself constitutes the irreversible locking mechanism thanks to the arrangement in alignment of the two ends of the toggle at the end the stroke of the jack which ensures the desired automatic locking.
  • the hatch is closed by a panel in two 1-2 elements hinged together around an axis 3 and intended to be applied to the coaming 4 in the closed position.
  • the element 1 is articulated to the coaming via links 5 while the element 2 carries, at its end opposite the axis 3, rollers 6 intended to roll on raceways lateral 7 provided on the sides of the coaming 4.
  • the operation of the panel 1-2 is carried out under the action of the jack 8 whose head 9 is articulated to the element 1 by an axis 10.
  • FIGS. 2 and 3 show an exemplary embodiment of a locking in the closed position provided by a means of displacement of the foot of the jack relative to the support structure integral with the coaming, this means displacement consisting essentially in the cooperation of a hinge pin and an elongated hole through which the axis passes.
  • the jack foot carries a hinge pin 11 guided in horizontally elongated holes 12 of a support member 13 secured to the coaming 4 so that this foot of the jack can undergo a small horizontal movement to act on the heel of a locking hook 14 movable about a horizontal axis 15.
  • the body and the foot of the jack are in their left position shown in FIG. 2 in allowing the heel of the hook 14 to advance to the left and consequently the elevation of the hook spout 16 at a lateral stop 17 of the panel element 1, the hook being returned to this locking position by any suitable means (not shown).
  • Figure 4 shows a means of displacement of the cylinder foot 8 equivalent to that of Figures 2 and 3 and consisting of a link 18 pivoting about a median axis 19 on a fixed support d ! support 20 and articulated by one end at the foot of the jack around an axis 21 while the opposite end of the link 18 pivots in front of a stop 22 of the panel element 1.
  • the panel element 1 In the locked closed position shown, the panel element 1 cannot move to the left because the stop 22 is stopped by the link 18 whose position is established to guarantee the irreversibility of the pivoting of the link which is almost horizontal in the locked position.
  • the foot of the actuating cylinder 8 tends to move to the right by rotating the rod 18 anti-clockwise, the movement of which can start thanks to an orientation suitable cylinder in the locked closed position, the angle between the cylinder axis and the longitudinal axis of the link being greater than the angle of this link axis with the horizontal.
  • the link can be moved from its locked position by the action of the jack but not by the action of the panel, which ensures the desired irreversibility.
  • the head of an actuating cylinder 23 is coupled to a pivoting panel 24 by means of a small lever 25 which carries a locking angle 26 whose end 27 is located in the closed position behind a fixed stop 28.
  • the pivoting of the lever 26 clears the end 27 of the abutment 28 so that the exten - sion cylinder 23 allows the initial horizontal displacement of the panel and its latch before the pivoting of this panel around the fixed axis 29 which passes through a horizontally elongated opening in the end of the panel actuated by the jack 23.
  • the displacement means provided according to the invention between one end of the jack and the associated structure, for example the panel or the element of the panel coupled to the operating jack, can be constituted by a toggle as shown in FIGS. 7 and 8 on which the actuating cylinder has been indicated at 30.
  • the head 31 of this cylinder acts on the axis 32 of the toggle joint composed of two arms 33-34, the ends 35-36 of which are articulated respectively at the panel element 37 and a link 38 pivoting about the fixed axis 39.
  • Figure 7 shows the position of the unlocked toggle before the end of the closure or after the start of the opening while Figure 8 shows the position locking, the panel element passing from one of the two positions to the other by a small horizontal movement.
  • FIG. 9 shows an example of locking in the open position actuated by the angle iron which has been shown in FIG. 6 and the end of which can act on a bolt 40 pivoting on the panel element around an axis 41 for hook in the fully open position on a hook 42 carried by a vertical wall at the end of the coaming.
  • the pivoting of the angle iron has the effect of lifting the lock by releasing it from the hook while the opposite effect occurs at the end of opening.
  • FIG. 10 schematically shows the locking of an articulated panel composed of the two elements 43-44 of which the figure shows the lower ends, the panel being shown in the open position.
  • the foot 50 of the actuating cylinder 45 is ovalized so that at the start of the closing command it lifts due to the traction exerted on the head of the cylinder and this lifting allows the body of the cylinder to lift the hook 46 articulated on the fixed axis 47 so that the spout 48 of this hook emerges from the axis 49 previously locked.
  • actuating cylinder whose rod 52 is coupled to a part 53 with three axes 54-55-56 for the connection of this part 53 respectively to the rod 52, to the rod 57 pivoting on the fixed axis 58 and to the panel element 59 actuated by the jack 51.
  • a link 60 is also articulated on the fixed axis 58 and on an axis 61 integral with the panel element 59.
  • the axis 61 continues to be pushed to the left, consequently pivoting around the fixed axis 58 to the final open position shown in FIG. 13 in which the axes 54-56-61 on the one hand and 58-55-56 on the other hand are practically in alignment, which ensures the locking at the opening while the unlocking at the beginning of the closing results from the start of recoil of the jack rod 52 which causes the knee brace 58-55-56 to be folded back.
  • the head of the actuating cylinder 51 that is to say its rod 52, is articulated on a part 53 which also carries the axes of two knee pads 55-56 respectively carrying out locking in the closed position and in the open position.

Landscapes

  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Superstructure Of Vehicle (AREA)
  • Lock And Its Accessories (AREA)
  • Ladders (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Closing Of Containers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

L'invention s'applique au verrouillage automatique d'un panneau d'écoutille actionné par un vérin de manoeuvre interposé entre la structure d'appui et le panneau et elle a pour but d'assurer le verrouillage automatique par ce vérin de manoeuvre au début ou à la fin d'une course d'extension ou de retrait de ce vérin. A cet effet, entre l'une au moins des extrémités du vérin (8) et la structure à laquelle est reliée cette extrémité, est interposé un moyen de déplacement limité (11-12) dont le mouvement effectué à une extrémité de course du vérin commande un mécanisme (14-16-17) de verrouillage automatique.The invention applies to the automatic locking of a hatch panel actuated by an actuating cylinder interposed between the support structure and the panel and it aims to provide automatic locking by this actuating cylinder at the start or at the end of an extension or withdrawal stroke of this cylinder. To this end, between at least one of the ends of the jack (8) and the structure to which this end is connected, there is interposed a limited displacement means (11-12) whose movement effected at one end of the stroke of the jack controls an automatic locking mechanism (14-16-17).

Description

Dans le document FR-A-2 495 565 du même inventeur, on a proposé un dispositif de verrouillage automatique d'un panneau d'écoutille en position de fermeture par un vérin à faible course imposant au panneau un déplacement de verrouillage ou de déverrouillage pratiquement horizontal par un mécanisme irréversible séparé du mécanisme de manoeuvre qui peut comprendre un vérin de manoeuvre soit pour un panneau articulé en un ou deux éléments, soit pour un panneau roulant transversalement quand il s'agit d'un panneau qui n'est pas manoeuvré par des engins de levage tels que des grues.In document FR-A-2 495 565 by the same inventor, an automatic locking device for a hatch panel has been proposed in the closed position by a short-stroke cylinder imposing on the panel a practically locking or unlocking movement. horizontal by an irreversible mechanism separate from the operating mechanism which may include an operating cylinder either for a panel articulated in one or two elements, or for a panel moving transversely when it is a panel which is not operated by lifting devices such as cranes.

Dans le cas ci-dessus d'un panneau d'écoutille actionné par un vérin de manoeuvre, la présente invention a pour but d'assurer le verrouillage automatique soit en position de fermeture, soit en position d'ouverture, soit encore aux deux positions par le vérin de manoeuvre en supprimant ainsi le vérin auxiliaire à faible course.In the above case of a hatch panel actuated by an actuating cylinder, the present invention aims to provide automatic locking either in the closed position, or in the open position, or even in the two positions by the actuating cylinder, thereby eliminating the auxiliary short-stroke cylinder.

Le document FR-A-2 424 398 décrit un agencement de panneaux d'écoutille qui sont déplacés au moyen de vérins de manoeuvre entre des positions d'ouverture et de fermeture, et inversement. Des organes d'assujettissement sont prévus, du genre de taquets portés par les panneaux et s'engageant sous des pattes de retenue inclinées. Toutefois de tels moyens d'assujettissement ne retiennent les panneaux qu'en direction verticale et ils ne s'opposent pas aux déplacements horizontaux du panneau. Or, dans ce type de dispositif, les vérins de manoeuvre ne sont actionnés que lors des mouvements de fermeture et d'ouverture, mais il sont mis au repos sans pression pendant la durée de la fermeture ou de l'ouverture, de sorte que, sans un verrouillage rendant irréversible la liaison entre ces vérins et les panneaux ces derniers peuvent, sous l'action de fortes lames, notamment par gros temps, être soumis à des forces présentant des composantes horizontales suffisantes pour déplacer les panneaux. L'agencement prévu dans le document FR-A-2 424 398 ne propose donc aucune liaison irréversible entre les vérins de manoeuvre et les panneaux, car les organes d'assujettissement ne peuvent s'opposer au mouvement du panneau si celui-ci est soumis à une force à composante horizontale suffisante capable d'entraîner les vérins de manoeuvre quand ces vérins sont au repos sans être retenus sous pression.Document FR-A-2 424 398 describes an arrangement of hatch covers which are moved by means of actuating cylinders between open and closed positions, and vice versa. Securing devices are provided, such as the tabs carried by the panels and engaging under inclined retaining tabs. However such securing means retain the panels only in the vertical direction and they do not oppose the horizontal displacements of the panel. However, in this type of device, the actuating cylinders are actuated only during the closing and opening movements, but they are put to rest without pressure for the duration of the closing or of the opening, so that, without a lock making the connection between these jacks and the panels irreversible, the latter can, under the action of strong blades, especially in heavy weather, be subjected to forces having sufficient horizontal components to move the panels. The arrangement provided in document FR-A-2 424 398 therefore does not offer any irreversible connection between the actuating cylinders and the panels, since the securing members cannot oppose the movement of the panel if it is subjected at a sufficient horizontal component force capable of driving the actuating cylinders when these cylinders are at rest without being retained under pressure.

Le document FR-A-2 424 398 prévoit (aux figures 2 à 4) un trou ovalisé pour permettre de dégager horizontalement les organes d'assujettissement des pattes de retenue, mais ce trou ovalisé n'est pas prévu à la liaison du vérin de manoeuvre avec la structure fixe ou avec le panneau et il n'est nullement associé à un mécanisme de verrouillage.Document FR-A-2 424 398 provides (in FIGS. 2 to 4) an ovalized hole to allow horizontal release of the securing members from the retaining tabs, but this ovalized hole is not provided for the connection of the actuator. operation with the fixed structure or with the panel and it is in no way associated with a locking mechanism.

Le dispositif selon l'invention pour le verrouillage automatique d'un panneau d'écoutille en position de fermeture ou d'ouverture appliqué à un panneau actionné de façon irréversible par un vérin de manoeuvre se caractérise en ce que la liaison du vérin au panneau ou à la structure fixe s'effectue au moyen d'un dispositif permettant un mouvement limité qui ne s'effectue que sous l'action du vérin et qui entraîne un mécanisme de verrouillage au moins à une fin de course du vérin et de déverrouillage au début de la course inverse de ce vérin, celui-ci ne pouvant agir pour une manoeuvre selon cette course inverse d'ouverture ou de fermeture qu'après accomplissement du déverrouillage.The device according to the invention for the automatic locking of a hatch cover in the closed or open position applied to a panel actuated irreversibly by an actuating cylinder is characterized in that the connection of the cylinder to the panel or to the fixed structure is carried out by means of a device allowing a limited movement which is carried out only under the action of the jack and which causes a locking mechanism at least at the end of the stroke of the jack and unlocking at the start of the reverse stroke of this jack, it can only act for an operation according to this reverse opening or closing stroke after unlocking has been completed.

L'invention est particulièrement applicable à des panneaux établis en un seul élément pivotant ou en deux éléments, ces panneaux étant actionnés par un vérin de manoeuvre pour leur ouverture et leur fermeture.The invention is particularly applicable to panels established in a single pivoting element or in two elements, these panels being actuated by an actuating cylinder for their opening and closing.

Le moyen de déplacement actionné à une extrémité de course du vérin de manoeuvre peut être un simple guidage de l'extrémité de vérin pour imposer un petit déplacement de cette extrémité par rapport à la structure à laquelle elle est reliée, ce guidage pouvant être assuré par exemple par un trou ovalisé prévu à une extrémité du vérin pour recevoir l'axe d'attelage de cette extrémité de vérin de façon qu'à une extrémité de la course du vérin, le corps de ce vérin puisse se déplacer suivant son axe pour commander un mécanisme de verrouillage.The displacement means actuated at one stroke end of the actuating cylinder can be a simple guidance of the cylinder end to impose a small displacement of this end relative to the structure to which it is connected, this guidance being able to be provided by example by an ovalized hole provided at one end of the jack to receive the hitch pin of this jack end so that at one end of the stroke of the jack, the body of this jack can move along its axis to control a locking mechanism.

Le moyen de déplacement d'une extrémité de vérin selon l'invention peut aussi être une courte biellette interposée entre cette extrémité et la structure à laquelle elle est reliée, de façon que le mouvement de la biellette, à une extrémité de course du vérin, assure le fonctionnement d'un mécanisme de verrouillage.The means for moving an end of a jack according to the invention can also be a short link interposed between this end and the structure to which it is connected, so that the movement of the link, at a stroke end of the jack, ensures the operation of a locking mechanism.

Le moyen de déplacement peut encore être établi sous la forme d'une genouillère à laquelle est attelée une extrémité du vérin et qui constitue elle-même le mécanisme de verrouillage irréversible grâce à la disposition en alignement des deux extrémités de la genouillère à l'extrémité de la course du vérin quiassure le fonctionnement d'un mécanisme de verrouillage.The displacement means can also be established in the form of a toggle to which is attached one end of the jack and which itself constitutes the irreversible locking mechanism thanks to the arrangement in alignment of the two ends of the toggle at the end of the cylinder stroke which ensures the functioning of a locking mechanism.

Le moyen de déplacement peut encore être établi sous la forme d'une genouillère à laquelle est attelée une extrémité du vérin et qui constitue elle-même le mécanisme de verrouillage irréversible grâce à la disposition en alignement des deux extrémités de la genouillère à l'extrémité de la course du vérin qui assure le verrouillage automatique recherché.The displacement means can also be established in the form of a toggle to which is attached one end of the jack and which itself constitutes the irreversible locking mechanism thanks to the arrangement in alignment of the two ends of the toggle at the end the stroke of the jack which ensures the desired automatic locking.

Pour bien faire comprendre l'invention, on en décrira ci-après quelques exemples d'exécution en référence au dessin annexé, dans lequel :

  • la figure 1 est une vue en élévation de côté montrant schématiquement les positions générales de fermeture et d'ouverture d'un panneau d'écoutille articulé en deux éléments ;
  • la figure 2 est une vue partielle de la partie d'un panneau comprenant le vérin de manoeuvre en position de fermeture avec un dispositif de verrouillage commandé par ce vérin ;
  • la figure 3 est une vue partielle analogue à la figure 2 mais correspondant à une position d'ouverture partielle ou totale du panneau ;
  • la figure 4 est une vue partielle en position de fermeture de l'extrémité de manoeuvre d'un élément de panneau articulé comme aux figures 2 et 3, montrant le vérin de manoeuvre et une biellette de commande de verrouillage interposée entre le pied du vérin et la structure d'appui ;
  • la figure 5 est une vue correspondant à la figure 4 mais représentant la position d'ouverture ;
  • la figure 6 montre une disposition dans laquelle la tête d'un vérin de manoeuvre agit par l'intermédiaire d'un levier qui, au début de l'ouverture, soulève une cornière de verrouillage pour assurer le déverrouillage ;
  • la figure 7 montre un dispositif de verrouillage en position de fermeture constitué par une genouillère actionnée par la tête d'un vérin de manoeuvre, cette genouillère assurant en même temps un verrouillage à l'ouverture;
  • la figure 8 montre l'action de la genouillère de la figure 7 en position de fermeture ;
  • la figure 9 montre schématiquement le verrouillage en position d' ouverture associé au dispositif de la figure 6 ;
  • la figure 10 est un schéma montrant un exemple d'un dispositif de verrouillage en position d'ouverture actionné pour le déverrouillage par le vérin de manoeuvre au début de la fermeture ;
  • la figure 11 montre un verrouillage en position de fermeture par un dispositif à genouillère permettant également le verrouillage en position d'ouverture ;
  • la figure 12 montre le dispositif de la figure 11 en position de déverrouillage en début d'ouverture ; et
  • la figure 13 montre le même dispositif en position d'ouverture et de verrouillage.
In order to make the invention clear, some examples of execution will be described below with reference to the appended drawing, in which:
  • Figure 1 is a side elevational view showing schematically the general closing and opening positions of a hatch cover hinged in two elements;
  • Figure 2 is a partial view of the part of a panel comprising the actuating cylinder in the closed position with a locking device controlled by this cylinder;
  • Figure 3 is a partial view similar to Figure 2 but corresponding to a partial or total opening position of the panel;
  • FIG. 4 is a partial view in the closed position of the operating end of an articulated panel element as in FIGS. 2 and 3, showing the operating cylinder and a locking control rod interposed between the base of the cylinder and the support structure;
  • Figure 5 is a view corresponding to Figure 4 but showing the open position;
  • FIG. 6 shows an arrangement in which the head of an actuating cylinder acts by means of a lever which, at the start of the opening, raises a locking angle to ensure unlocking;
  • FIG. 7 shows a locking device in the closed position constituted by a toggle actuated by the head of an actuating cylinder, this toggle ensuring at the same time an opening locking;
  • Figure 8 shows the action of the toggle of Figure 7 in the closed position;
  • Figure 9 schematically shows the locking in the open position associated with the device of Figure 6;
  • Figure 10 is a diagram showing an example of a locking device in the open position actuated for unlocking by the actuating cylinder at the start of the closure;
  • Figure 11 shows a locking in the closed position by a toggle device also allowing the locking in the open position;
  • Figure 12 shows the device of Figure 11 in the unlocked position at the start of opening; and
  • Figure 13 shows the same device in the open and locked position.

Dans l'exemple d'exécution schématisé sur la figure 1, la fermeture de l'écoutille est assurée par un panneau en deux éléments 1-2 articulés entre eux autour d'un axe 3 et destinés à s'appliquer sur l'hiloire 4 en position de fermeture. Dans cet exemple, l'élément 1 est articulé à l'hiloire par l'intermédiaire de biellettes 5 tandis que l'élément 2 porte, à son extrémité opposée à l'axe 3, des galets 6 destinés à rouler sur des chemins de roulement latéraux 7 prévus sur les côtés de l'hiloire 4. La manoeuvre du panneau 1-2 s'effectue sous l'action du vérin 8 dont la tête 9 s'articule à l'élément 1 par un axe 10.In the embodiment shown schematically in Figure 1, the hatch is closed by a panel in two 1-2 elements hinged together around an axis 3 and intended to be applied to the coaming 4 in the closed position. In this example, the element 1 is articulated to the coaming via links 5 while the element 2 carries, at its end opposite the axis 3, rollers 6 intended to roll on raceways lateral 7 provided on the sides of the coaming 4. The operation of the panel 1-2 is carried out under the action of the jack 8 whose head 9 is articulated to the element 1 by an axis 10.

Conformément à la présente invention les figures 2 et 3 montrent un exemple d'exécution d'un verrouillage en position de fermeture assuré par un moyen de déplacement du pied du vérin par rapport à la structure d'appui solidaire de l'hiloire, ce moyen de déplacement consistant essentiellement dans la coopération d'un axe d'articulation et d'un trou allongé traversé par l'axe. Dans le cas des figures 2 et 3, le pied de vérin porte un axe d'articulation 11 guidé dans des trous allongés horizontalement 12 d'un organe d'appui 13 solidaire de l'hiloire 4 de telle façon que ce pied du vérin puisse subir un petit déplacement horizontal pour agir sur le talon d'un crochet de verrouillage 14 mobile autour d'un axe horizontal 15. En position de fermeture, le corps et le pied du vérin sont à leur position de gauche représentée sur la figure 2 en permettant l'avance du talon du crochet 14 vers la gauche et par suite l'élévation du bec de crochet 16 au niveau d'une butée latérale 17 de l'élément de panneau 1, le crochet étant rappelé dans cette position de verrouillage par tout moyen convenable (non représenté).In accordance with the present invention, FIGS. 2 and 3 show an exemplary embodiment of a locking in the closed position provided by a means of displacement of the foot of the jack relative to the support structure integral with the coaming, this means displacement consisting essentially in the cooperation of a hinge pin and an elongated hole through which the axis passes. In the case of FIGS. 2 and 3, the jack foot carries a hinge pin 11 guided in horizontally elongated holes 12 of a support member 13 secured to the coaming 4 so that this foot of the jack can undergo a small horizontal movement to act on the heel of a locking hook 14 movable about a horizontal axis 15. In the closed position, the body and the foot of the jack are in their left position shown in FIG. 2 in allowing the heel of the hook 14 to advance to the left and consequently the elevation of the hook spout 16 at a lateral stop 17 of the panel element 1, the hook being returned to this locking position by any suitable means (not shown).

Comme l'ouverture s'effectue par l'extension du vérin jusqu'à la position de la figure 3, on comprend que l'action initiale d'ouverture qui tend à pousser la tête du vérin vers la gauche a pour effet de faire reculer le pied du vérin vers la droite en repoussant le talon du crochet 14 et par conséquent en abaissant le bec de crochet 16, de sorte que le mouvement initial de l'élément de panneau 1 vers la gauche des figures 2 et 3 est rendu possible par suite du déverrouillage résultant de l'abaissement du bec 160As the opening is carried out by the extension of the jack to the position of FIG. 3, it is understood that the initial opening action which tends to push the head of the jack towards the left has the effect of moving the foot of the jack back to the right by pushing back the heel of the hook 14 and consequently by lowering the hook beak 16, so that the initial movement of the panel element 1 to the left of the Figures 2 and 3 is made possible as a result of the unlocking resulting from the lowering of the spout 160

La figure 4 montre un moyen de déplacement du pied du vérin 8 équivalent à celui des figures 2 et 3 et constitué par une biellette 18 pivotant autour d'un axe médian 19 sur un support fixe d!appui 20 et articulé par une extrémité au pied du vérin autour d'un axe 21 tandis que l'extrémité opposée de la biellette 18 pivote devant une butée 22 de l'élément de panneau 1. Dans la position de fermeture verrouillée représentée, l'élément de panneau 1 ne peut se déplacer vers la gauche car la butée 22 se trouve arrêtée par la biellette 18 dont la position est établie pour garantir l'irréversibilité du pivotement de la biellette qui est presque horizontale en position de verrouillage. On comprend qu'au début de la commande d'ouverture, le pied du vérin de manoeuvre 8 tend à se déplacer vers la droite en faisant pivoter dans le sens anti-horaire la biellette 18 dont le mouvement peut s'amorcer grâce à une orientation convenable du vérin en position de fermeture verrouillée, l'angle entre l'axe du vérin et l'axe longitudinal de la biellette étant supérieur à l'angle de cet axe de biellette avec l'horizontale. Ainsi, la biellette peut être écartée de sa position verrouillée par l'action du vérin mais non par l'action du panneau, ce qui assure lfirréversibi- lité recherchée..Figure 4 shows a means of displacement of the cylinder foot 8 equivalent to that of Figures 2 and 3 and consisting of a link 18 pivoting about a median axis 19 on a fixed support d ! support 20 and articulated by one end at the foot of the jack around an axis 21 while the opposite end of the link 18 pivots in front of a stop 22 of the panel element 1. In the locked closed position shown, the panel element 1 cannot move to the left because the stop 22 is stopped by the link 18 whose position is established to guarantee the irreversibility of the pivoting of the link which is almost horizontal in the locked position. It is understood that at the start of the opening command, the foot of the actuating cylinder 8 tends to move to the right by rotating the rod 18 anti-clockwise, the movement of which can start thanks to an orientation suitable cylinder in the locked closed position, the angle between the cylinder axis and the longitudinal axis of the link being greater than the angle of this link axis with the horizontal. Thus, the link can be moved from its locked position by the action of the jack but not by the action of the panel, which ensures the desired irreversibility.

Dans l'exemple d'exécution représenté sur la figure 6, la tête d'un vérin de manoeuvre 23 est attelée à un panneau pivotant 24 par l'intermédiaire d'un petit levier 25 qui porte une cornière de verrouillage 26 dont l'extrémité 27 se place en position de fermeture en arrière d'une butée fixe 28. Au début de la manoeuvre d'ouverture, le pivotement du levier 26 dégage l'extrémité 27 de la butée 28 de sorte que l'exten- sion du vérin 23 permet le petit déplacement initial horizontal du panneau et de son verrou avant le pivotement de ce panneau autour de l'axe fixe 29 qui traverse une ouverture allongée horizontalement dans l'extrémité du panneau actionnée par le vérin 23.In the embodiment shown in Figure 6, the head of an actuating cylinder 23 is coupled to a pivoting panel 24 by means of a small lever 25 which carries a locking angle 26 whose end 27 is located in the closed position behind a fixed stop 28. at the beginning of the opening operation, the pivoting of the lever 26 clears the end 27 of the abutment 28 so that the exten - sion cylinder 23 allows the initial horizontal displacement of the panel and its latch before the pivoting of this panel around the fixed axis 29 which passes through a horizontally elongated opening in the end of the panel actuated by the jack 23.

Le moyen de déplacement prévu selon l'invention entre une extrémité du vérin et la structure associée, par exemple le panneau ou l'élément du panneau attelé au vérin de manoeuvre, peut être constitué par une genouillère comme onl'a représenté aux figures 7 et 8 sur lesquelles le vérin d'actionnement a été indiqué en 30. La tête 31 de ce vérin agit sur l'axe 32 de la genouillère composée de deux bras 33-34, dont les extrémités 35-36 s'articulent respectivement à l'élément de panneau 37 et à une biellete 38 pivotant autour de l'axe fixe 39. La figure 7 montre la position de la genouillère déverrouillée avant la fin de la fermeture ou après le début de l'ouverture tandis que la figure 8 montre la position de verrouillage, l'élément de panneau passant de l'une des deux positions à l'autre par un petit déplacement horizontal. On comprend qu'en position de verrouillage (figure 8) l'alignement de la genouillère assure l'irréversibilité recherchée qui assure le maintien du panneau quels que soient les efforts que lui sont appliqués. Au contraire, l'extension du vérin pour l'ouverture fait plier la genouillère comme le montre la figure 7 en provoquant initialement un petit déplacement horizontal limité par la disposition de la biellette.The displacement means provided according to the invention between one end of the jack and the associated structure, for example the panel or the element of the panel coupled to the operating jack, can be constituted by a toggle as shown in FIGS. 7 and 8 on which the actuating cylinder has been indicated at 30. The head 31 of this cylinder acts on the axis 32 of the toggle joint composed of two arms 33-34, the ends 35-36 of which are articulated respectively at the panel element 37 and a link 38 pivoting about the fixed axis 39. Figure 7 shows the position of the unlocked toggle before the end of the closure or after the start of the opening while Figure 8 shows the position locking, the panel element passing from one of the two positions to the other by a small horizontal movement. We understand that in the locking position (Figure 8) the alignment of the toggle ensures the desired irreversibility which ensures the maintenance of the panel regardless of the forces applied to it. On the contrary, the extension of the jack for the opening causes the toggle to bend as shown in FIG. 7, initially causing a small horizontal movement limited by the arrangement of the link.

La figure 9 montre un exemple de verrouillage en position d'ouverture actionné par la cornière qui a été représentée sur la figure 6 et dont l'extrémité peut agir sur un verrou 40 pivotant sur l'élément de panneau autour d'un axe 41 pour s'accrocher en position d'ouverture complète sur un crochet 42 porté par un mur vertical à l'extrémité de l'hiloire. Au début de la manoeuvre de fermeture, le pivotement de la cornière a pour effet de soulever le verrou en le dégageant du crochet tandis que l'effet inverse se produit en fin d'ouverture.FIG. 9 shows an example of locking in the open position actuated by the angle iron which has been shown in FIG. 6 and the end of which can act on a bolt 40 pivoting on the panel element around an axis 41 for hook in the fully open position on a hook 42 carried by a vertical wall at the end of the coaming. At the beginning of the closing maneuver, the pivoting of the angle iron has the effect of lifting the lock by releasing it from the hook while the opposite effect occurs at the end of opening.

La figure 10 montre schématiquement le verrouillage d'un panneau articulé composé des deux éléments 43-44 dont la figure montre les extrémités inférieures, le panneau étant représenté en position d'ouverture. Dans cet exemple, le pied 50 du vérin de manoeuvre 45 est ovalisé de telle sorte qu'au début de la commande de fermeture il se soulève par suite de la traction exercée sur la tête du vérin et ce soulèvement permet au corps du vérin de soulever le crochet 46 articulé sur l'axe fixe 47 de façon que le bec 48 de ce crochet se dégage de l'axe 49 précédemment verrouillé.FIG. 10 schematically shows the locking of an articulated panel composed of the two elements 43-44 of which the figure shows the lower ends, the panel being shown in the open position. In this example, the foot 50 of the actuating cylinder 45 is ovalized so that at the start of the closing command it lifts due to the traction exerted on the head of the cylinder and this lifting allows the body of the cylinder to lift the hook 46 articulated on the fixed axis 47 so that the spout 48 of this hook emerges from the axis 49 previously locked.

Il est possible encore d'établir, entre la tête du vérin de manoeuvre et l'élément de panneau attelé au vérin, un dispositif de genouillère selon le principe de l'invention, permettant d'assurer le verrouillage à la fois en position de fermeture et en position d'ouverture du panneau et on a représenté schématiquement un tel dispositif de verrouillage à double effet aux figures 11 à 13 auxquelles on se référera maintenant.It is also possible to establish, between the head of the operating cylinder and the panel element coupled to the cylinder, a toggle device according to the principle of the invention, making it possible to ensure locking both in the closed position and in the open position of the panel and there is shown schematically such a double-acting locking device in Figures 11 to 13 which will now be referred to.

On a indiqué en 51 le vérin de manoeuvre dont la tige 52 est attelée à une pièce 53 à trois axes 54-55-56 pour la liaison de cette pièce 53 respectivement à la tige 52, à la biellette 57 pivotant sur l'axe fixe 58 et à l'élément de panneau 59 actionné par le vérin 51. Une biellette 60 s'articule en outre sur l'axe fixe 58 et sur un axe 61 solidaire de l'élément de panneau 59.It was indicated in 51 the actuating cylinder whose rod 52 is coupled to a part 53 with three axes 54-55-56 for the connection of this part 53 respectively to the rod 52, to the rod 57 pivoting on the fixed axis 58 and to the panel element 59 actuated by the jack 51. A link 60 is also articulated on the fixed axis 58 and on an axis 61 integral with the panel element 59.

En position de fermeture (figures 11 et 12), la biellette 60 est dressée en une position voisine de la verticale tandis que l'élément de panneau 59 occupe une position horizontale. En position de verrouillage de fermeture (figure 11), l'élément de panneau 59 a été poussé à sa position extrême vers la droite avec engagement de son verrou 62 sous le crochet 63 solidaire de l'hiloire et on remarquera que dans cette position l'axe 55 de la pièce 53 est pratiquement en alignement entre les axes 56 et 58 en constituant l'axe d'une genouillère prévue entre ces axes 56 et 58. Cette genouillère rend irréversible le mouvement de ses deux éléments 53-57, de telle sorte qu'elle ne se replie que par l'avance de la tige de vérin 52 (figure 12) nécessaire pour assurer au début de l'ouverture le déverrouillage avec un déplacement pratiquement horizontal de droite à gauche de l'élément de panneau 59.In the closed position (Figures 11 and 12), the rod 60 is raised in a position close to the vertical while the panel element 59 occupies a horizontal position. In the closed locking position (FIG. 11), the panel element 59 has been pushed to its extreme position to the right with engagement of its lock 62 under the hook 63 secured to the coaming and it will be noted that in this position l axis 55 of part 53 is practically aligned between axes 56 and 58 by constituting the axis of a toggle provided between these axes 56 and 58. This toggle makes the movement of its two elements 53-57 irreversible, such so that it only folds up by advancing the actuator rod 52 (FIG. 12) necessary to ensure unlocking at the start of the opening with a practically horizontal movement from right to left of the panel element 59.

Si l'extension du vérin se poursuit à partir de cette position de la figure 12, l'axe 61 continue à être repoussé vers la gauche en pivotant par conséquent autour de l'axe fixe 58 jusqu'à la position finale d'ouverture représentée sur la figure 13 dans laquelle les axes 54-56-61 d'une part et 58-55-56 d'autre part sont pratiquement en alignement, ce qui assure le verrouillage à l'ouverture tandis que le déverrouillage au début de la fermeture résulte d'un début de recul de la tige de vérin 52 qui provoque le repliage de la genouillère 58-55-56.If the extension of the jack continues from this position in FIG. 12, the axis 61 continues to be pushed to the left, consequently pivoting around the fixed axis 58 to the final open position shown in FIG. 13 in which the axes 54-56-61 on the one hand and 58-55-56 on the other hand are practically in alignment, which ensures the locking at the opening while the unlocking at the beginning of the closing results from the start of recoil of the jack rod 52 which causes the knee brace 58-55-56 to be folded back.

On voit d'après la description qui précède que la tête du vérin de manoeuvre 51, c'est-à-dire sa tige 52, s'articule sur une pièce 53 qui porte par ailleurs les axes de deux genouillères 55-56 réalisant respectivement le verrouillage en position de fermeture et en position d'ouverture.We see from the above description that the head of the actuating cylinder 51, that is to say its rod 52, is articulated on a part 53 which also carries the axes of two knee pads 55-56 respectively carrying out locking in the closed position and in the open position.

Claims (5)

1. Dispositif pour le verrouillage automatique d'un panneau d'écoutille (1,2) en position de fermeture ou d'ouverture appliqué à un panneau (1,2) actionné de façon irréversible par un vérin de manoeuvre (8), caractérisé en ce que la liaison du vérin (8) au panneau (1,2) ou à la structure fixe (4) s'effectue au moyen d'un dispositif permettant un mouvement limité qui ne s'effectue que sous l'action du vérin (8) et qui entraîne un mécanisme de verrouillage au moins à une fin de course de vérin (8) et de déverrouillage au début de la course inverse du ce vérin, celui-ci ne pouvant agir pour une manoeuvre selon cette course inverse d'ouverture ou de fermeture qu'après accomplissement du déverrouillage.1. Device for the automatic locking of a hatch cover (1,2) in the closed or open position applied to a cover (1,2) actuated irreversibly by an operating cylinder (8), characterized in that the connection of the jack (8) to the panel (1,2) or to the fixed structure (4) takes place by means of a device allowing a limited movement which takes place only under the action of the jack (8) and which drives a locking mechanism at least at the end of a cylinder stroke (8) and unlocking at the start of the reverse stroke of this cylinder, the latter being unable to act for an operation according to this reverse stroke of opening or closing only after completion of unlocking. 2. Dispositif selon la revendication 1, dans lequel le moyen de déplacement limité d'une extrémité du vérin de manoeuvre (8) par rapport à la structure (4) à laquelle est reliée cette extrémité consiste en un trou ovalisé (12) de l'extrémité du vérin (8) qui peut ainsi se déplacer selon son axe à une extrémité de sa course pour actionner un mécanisme de verrouillage (16).2. Device according to claim 1, in which the means of limited displacement of one end of the actuating cylinder (8) relative to the structure (4) to which this end is connected consists of an ovalized hole (12) of the end of the jack (8) which can thus move along its axis at one end of its stroke to actuate a locking mechanism (16). 3. Dispositif selon la revendication 1, dans lequel le moyen de déplacement limité d'une extrémité du vérin de manoeuvre (8) par rapport à la structure à laquelle est reliée cette extrémité consiste en une courte biellette (18) dont le mouvement à une extrémité de course du vérin de manoeuvre (8) effectue un verrouillage automatique.3. Device according to claim 1, in which the means of limited displacement of one end of the actuating cylinder (8) relative to the structure to which this end is connected consists of a short link (18) whose movement at a stroke end of the actuating cylinder (8) performs automatic locking. 4. Dispositif selon la revendication 1, dans lequel le moyen de déplacement limité d'une extrémité de vérin de manoeuvre (30) par rapport à la structure à laquelle est reliée cette extrémité consiste en une genouillère (33,34) à laquelle est attachée l'extrémité (31) du vérin (30) et qui constitue elle-même le mécanisme de verrouillage irréversible grâce à la disposition en alignement des deux extrémités (35,36) de la genouillère (33,34) articulées respectivement à une partie fixe et au panneau (37) à verrouiller.4. Device according to claim 1, wherein the means of limited displacement of an end of the actuating cylinder (30) relative to the structure to which this end is connected consists of a toggle (33,34) to which is attached the end (31) of the jack (30) and which itself constitutes the irreversible locking mechanism thanks to the arrangement in alignment of the two ends (35,36) of the toggle joint (33,34) articulated respectively to a fixed part and to the panel (37) to be locked. 5. Dispositif pour le verrouillage automatique d'un panneau d'écoutille à la fois en position de fermeture et en position d'ouverture selon la revendication 1, caractérisé en outre par le fait que le moyen de déplacement limité entre une extrémité (52) du vérin de manoeuvre (51) et la structure à laquelle est reliée cette extrémité est constitué par une pièce pivotante (53) qui porte les axes (54,55,56) de deux genouillères (58,55,56 et 54,56,61) prenant des positions rectilignes dans les positions de verrouillage établies respectivement en fin de fermeture et en fin d'ouverture en ne permettant par conséquent le déverrouillage qu'après amorçage par le vérin (51) de la manoeuvre d'ouverture ou de la manoeuvre de fermeture selon la position de fermeture ou d'ouverture de départ.5. Device for the automatic locking of a hatch cover both in the closed position and in the open position according to claim 1, further characterized in that the means of movement limited between one end (52) of the actuating cylinder (51) and the structure to which this end is connected is constituted by a pivoting part (53) which carries the axes (54,55,56) of two knee pads (58,55,56 and 54,56, 61) taking rectilinear positions in the locking positions established respectively at the end of the closure and at the end of the opening, consequently allowing the unlocking only after priming by the jack (51) of the opening maneuver or the maneuver closing depending on the closing or opening opening position.
EP83401310A 1982-06-25 1983-06-24 Device for automatically locking a hatch cover in a closed or opened position Expired EP0098218B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8211226A FR2529162B1 (en) 1982-06-25 1982-06-25 DEVICE FOR AUTOMATIC LOCKING OF A HATCH PANEL IN A CLOSED OR OPENED POSITION
FR8211226 1982-06-25

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EP0098218A1 true EP0098218A1 (en) 1984-01-11
EP0098218B1 EP0098218B1 (en) 1986-02-19

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US (1) US4655004A (en)
EP (1) EP0098218B1 (en)
JP (1) JPS598583A (en)
DE (2) DE3362177D1 (en)
ES (1) ES8403812A1 (en)
FR (1) FR2529162B1 (en)
NO (1) NO832312L (en)

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FR2562027A1 (en) * 1984-03-29 1985-10-04 Macgregor Navire Sa Method and device for automatically controlling the opening and closing of panels or the like, especially hatchway panels, with locked closure, for advantageously shutting off an opening of a recipient such as a hatch in a sealed manner
EP0170049A1 (en) * 1984-07-03 1986-02-05 Deggendorfer Werft Und Eisenbau Gmbh Locking of foldable hatch covers
WO2013150174A1 (en) * 2012-04-04 2013-10-10 Beacon Finland Ltd Oy An apparatus, an arrangement and a method for locking an underwater hatch or other removable structure
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Also Published As

Publication number Publication date
DE3362177D1 (en) 1986-03-27
FR2529162A1 (en) 1983-12-30
JPS598583A (en) 1984-01-17
EP0098218B1 (en) 1986-02-19
FR2529162B1 (en) 1986-12-26
NO832312L (en) 1983-12-27
US4655004A (en) 1987-04-07
ES523588A0 (en) 1984-04-01
DE98218T1 (en) 1984-05-24
ES8403812A1 (en) 1984-04-01

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