EP1130610A1 - Device for operating mechanism of an electrical apparatus and operating mechanism with such a device - Google Patents

Device for operating mechanism of an electrical apparatus and operating mechanism with such a device Download PDF

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Publication number
EP1130610A1
EP1130610A1 EP01400519A EP01400519A EP1130610A1 EP 1130610 A1 EP1130610 A1 EP 1130610A1 EP 01400519 A EP01400519 A EP 01400519A EP 01400519 A EP01400519 A EP 01400519A EP 1130610 A1 EP1130610 A1 EP 1130610A1
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EP
European Patent Office
Prior art keywords
spring
shaft
shock absorber
module
fixed
Prior art date
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Granted
Application number
EP01400519A
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German (de)
French (fr)
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EP1130610B1 (en
Inventor
Andreas Ludwig
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Grid Solutions SAS
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Alstom SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper

Definitions

  • the invention relates to a device intended to equip a spring control of electrical power equipment, such as for example a medium or high voltage circuit breaker.
  • this kind of electrical apparatus includes conventionally a switching module controlled by a mechanism where a trigger-trigger arrangement is more specially responsible for switching the module from a position to a other by acting on it through a mechanical link of command to put it on or off and therefore on and off and where another arrangement is used to arm the previous one.
  • a control mechanism of this kind is described in particular in a European patent 651409 in conjunction with Figure 1 of this patent. he includes in particular a latch-release arrangement including a main operating shaft, said to be a circuit, on which are fixed various control levers which allow this tree in particular act on the module and be rotated under the action of a cam in a first determined direction, from a starting position for which the module is in a first state up to a position for which the module reaches a second state.
  • This rotation takes place by pressing the cam on one of the levers carried by the main shaft and against a return spring which is able to rotate this shaft principal in the opposite direction from the previous one and which acts through a another lever.
  • Reverse rotation of the main shaft is only possible under certain conditions which are developed later.
  • end-of-travel damping means which are returned integral with the main shaft and in particular a shock absorber acting on this tree by a lever different from the previous ones when the tree returns in the starting position.
  • This type of spring control mechanism has the disadvantage to involve a relatively large number of different parts which constitute functional groups which combine in a way relatively complex including commissioning and maintenance are difficult to achieve and therefore too expensive.
  • the invention provides a device for a spring control mechanism.
  • an electrical appliance of power in particular medium or high voltage, in which at least one switching module is switched from one position to another through an arrangement latch-trip unit including a main operating shaft on which are fixed control levers allowing this shaft to be driven in rotation by means of drive in a first determined direction, from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state.
  • the layout includes plus a limit switch acting on the return of the shaft in first position under the action of the return spring.
  • the device is as defined in the claim 1.
  • the invention also provides a control mechanism for apparatus electrical power, especially medium or high voltage, in which at least one switching module is switched from one position to another through a latch-trip arrangement including an operating shaft on which are fixed levers control allowing this shaft to be rotated, in a first direction determined by the action of a rotating cam pressing on one of the levers, said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state.
  • a latch-trip arrangement including an operating shaft on which are fixed levers control allowing this shaft to be rotated, in a first direction determined by the action of a rotating cam pressing on one of the levers, said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into
  • the arrangement further includes a shock absorber limit switch acting when the shaft returns to the first position under the action of the return spring.
  • said mechanism is as defined in claim 6.
  • Figure 1 shows a diagram of a latch-trip arrangement that includes a known control mechanism of electrical power equipment.
  • Figure 2 shows a diagram of a latch-trip arrangement comprising a control mechanism similar to that mentioned above which is equipped with a device according to the invention.
  • Figure 3 shows a section of a device consisting of a sub-assembly recall and amortization, according to the invention.
  • the known spring control mechanism including one of the arrangements main is shown schematically in Figure 1, corresponds to that described in conjunction with Figure 1 of European application 651409. It is designed to equip electrical power equipment and in particular a medium or high voltage circuit breaker, comprising a power switching 1 with a latch-trip arrangement which more particularly ensures putting on and off voltage.
  • this arrangement has means, schematized by a mechanical control link L, allowing it to act on the switching module 1, symbolized by a contact which is represented in the open position in Figure 1 and in the closed position in Figure 2.
  • the control link L is articulated on a lever 2 laterally carried by a main operating shaft 3 rotating in a limited manner, either in one direction to allow the passage of a first position or starting position, for which the switching module 1 is in a first state, at a second position, for which this module is brought in a second state, or in the other direction for a passage of the second position to the first.
  • a first position or starting position for which the switching module 1 is in a first state
  • a second position for which this module is brought in a second state, or in the other direction for a passage of the second position to the first.
  • the first position is translated by a triggered state of the module, while the second position corresponds to an engaged state.
  • the main shaft 3 is rotated in a determined direction, from its first position and here counterclockwise, by the action of an engagement cam 4 fixed on a shaft 5, the rotation is ensured by drive means, known to man business. These means are described in particular in the request. European 651409 and they are not detailed here insofar as they have only an indirect relationship with the subject of the invention.
  • Cam 4 has a profile, through which it comes press against a roller 6 carried by an interlock-release lever 7, itself fixed laterally on the main shaft 3, of so as to rotate this main shaft, from its first position, to its second position for which the switching module 1 is triggered.
  • the profile of the cam 4 is also produced so that it no longer cooperate with the roller 6 to drive the shaft 3, from the moment it allowed to reach the second position and as long as, on the one hand, the rotation of the cam did not allow him to find a first position determined at the outset and that, on the other hand, the lever 7 is not itself returned to a first determined starting position.
  • the engagement-trigger lever 7 carries a finger 8 allowing to cooperate with a roller 9 carried by a retaining pawl 10, so as to prevent the main shaft 3 from rotating in the direction clockwise, under the action of a return spring 11.
  • This spring is connected to one end of a lever 20 laterally fixed on the shaft main 3 and it is bandaged during the rotation of the shaft 3 under the action of the cam 4.
  • the retaining pawl 10 is a lever articulated on an axis 12. It is kept in the position for which it prevents the main shaft from turn, via a trigger cam 13 against which it is then in abutment.
  • the cam 13 is articulated on an axis 14 and controlled by trigger means 15, known to man by trade and represented in symbolized form in Figures 1 and 2.
  • the spring 11 is fixed by a first end inside a containing 21 from which comes out a chain 22 which is fixed, on the one hand, to the second end of the spring 11 and, on the other hand, at the end of the lever 20.
  • the container must include means accessible from the outside which allow tensioning and adjusting the spring tension.
  • the chain 22 is folded which leads to it going through return pulleys 23, along a path relatively complicated and in a way that would clearly benefit be simplified,
  • the invention therefore proposes a latch-trip arrangement for a control mechanism, as shown diagrammatically in FIG. 2.
  • This arrangement is intended for activate a switching module 1 'which corresponds to the switching 1 shown in Figure 1, and that it is possible to position either in a triggered position or in a position engaged, like this module 1.
  • Means shown schematically by a mechanical control link L ' act on the switching module 1 'symbolized by a contact shown in closed position.
  • the link L ' is articulated on a lever 2 'laterally carried by a main shaft 3' operating in the same conditions as the main tree 3.
  • This main shaft 3 ' is rotated from a first position or starting position, by the action of a locking cam 4 'fixed on a 5 'shaft whose rotation is ensured by drive means as mentioned above.
  • Cam 4 ' which corresponds to cam 4, is designed to press against a 6 'roller carried by a lever 7 'interlock-release laterally fixed on the main shaft 3 'so that it can be rotated from the first position, up to a second position for which the module 1 'is in the state triggered.
  • the profile of the cam 4 ′ is produced, like that of the cam 4, to no longer cooperate with the roller 6 'to drive the shaft 3', from the time this tree has reached its second position and as long as the rotation did not allow the cam to return to first position, such as shown in Figure 2. As before, any renewal of this cooperation implies a prior return of the lever 7 'in position of departure.
  • the lever 7 ' carries a finger 8' allowing it to cooperate with a roller 9 ' carried by a retaining pawl 10 ', so as to prevent rotation of the main tree clockwise under the action a return spring.
  • the pawl 10 ' is articulated on an axis 12' and it is held in a position, for which it prevents the 3 'shaft from rotating under the tension of the return spring, via a cam 13 'trigger.
  • This cam 13 ' is controlled by means of 15 'trigger, under the same conditions as the cam trigger 13 by trigger means 15.
  • This mechanical device is in the form of a autonomous sub-assembly in which a return spring 36 and a shock absorber 37 are associated in a coaxial arrangement.
  • This subset is provided in particular to allow adjustments independent of the pre-tension applied to the spring and damping at the shock absorber
  • the shock absorber 37 is for example a conventional oil shock absorber which is articulated by a first end on a fixed pivot 24, as the shock absorber 15 on the pivot 16.
  • This shock absorber 37 comprises a rod piston 25, which projects from its second end and which is articulated on a lever 26 laterally fixed on the main shaft 3 '.
  • This lever 26 replaces the levers 19 and 20 of the known embodiment, described above.
  • the shock absorber 37 comprises a tank 27, filled with oil, which is at least partially housed in a body cylindrical 28 where it is fixed and it is this body which has a passage 29 provided to receive the articulation pivot 24.
  • the return spring 36 is a helical spring which is fixed by a end on the body 28 which it comes to surround.
  • the body 28 has a peripheral groove helical in appearance whose dimensions are complementary to that of spring 36 which therefore comes to be subjected to it by a first end, as seen in Figures 2 and 3.
  • the spring 36 is crossed on its length by the piston rod 25 and it is fixed by its second end on a sleeve 30 which also passes through the piston rod 25.
  • the fixing of the spring 25 on the sleeve 30 is made like that of this spring on the body 28.
  • An adjustment sleeve 31 screws onto the end of the piston rod which protrudes from the tank 27 of the shock absorber 37 and which is threaded therein goal.
  • This sleeve is terminated at one end by a support collar 38 which is housed inside the coil spring, when the device is mounted, so as to serve as a stop for the sleeve 30.
  • This arrangement allows to adjust the stress imposed longitudinally on the spring 36, by screwing or unscrewing the adjustment sleeve 31, it being understood that this spring is provided to exert traction on the lever 26.
  • a yoke 32 receives the threaded end of the piston rod 25.
  • the yoke 32 has a axis passage 33 provided to allow it to come articulate on a pivot end 34 carried by the lever 26.
  • the spring 36 of the return and damping device thus formed is therefore elastically stretched, when the main shaft 3 'is put in rotation under the action of the cam 4 'acting by pressing on the lever 7', when this cam is rotated by its drive means. Maximum stretching of the spring 36 is obtained when the cam 4 'has driven the switching module 1 'in the engaged position. Simultaneously the piston rod 25 of the shock absorber is brought into its maximum projection position, outside of the tank 27 of the shock absorber.
  • the positioning of the sleeve 31 on the piston rod is adjusted by screwing or unscrewing, it adjusts the restoring force exerted by the spring 36 on the main shaft 3 'via the lever 26. This force ensures the return of the main shaft to its first position, to which the switch 1 'is triggered, as soon as the cam 13 is recalled back due to corresponding operating conditions to the pre-established trigger conditions.
  • the shock absorber 37 comes into action when returning the main shaft to first position, under the action of the spring 36 and it provides braking to avoid the appearance of oscillations at the end of the race.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Push-Button Switches (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Lock And Its Accessories (AREA)
  • Vending Machines For Individual Products (AREA)
  • Power Steering Mechanism (AREA)

Abstract

The command circuit breaking mechanism has a switching module (1) activating a shaft (3) rotating a cam (4). There is a spring return mechanism. The spring return sub assembly has a deadener (37) and spring mechanism (36) held in a hollow section. The mechanism slides on a piston rod (25).

Description

L'invention concerne un dispositif destiné à équiper un mécanisme de commande à ressort d'un appareillage électrique de puissance, tel que par exemple un disjoncteur moyenne ou haute tension.The invention relates to a device intended to equip a spring control of electrical power equipment, such as for example a medium or high voltage circuit breaker.

Comme il est connu ce genre d'appareillage électrique comporte classiquement un module de commutation commandé par un mécanisme de commande où un agencement enclencheur-déclencheur est plus spécialement chargé de faire commuter le module d'une position à une autre en agissant sur lui par l'intermédiaire d'une liaison mécanique de commande pour le mettre en ou hors service et donc sous et hors tension et où un autre agencement est utilisé pour armer le précédent.As is known, this kind of electrical apparatus includes conventionally a switching module controlled by a mechanism where a trigger-trigger arrangement is more specially responsible for switching the module from a position to a other by acting on it through a mechanical link of command to put it on or off and therefore on and off and where another arrangement is used to arm the previous one.

Un mécanisme de commande de ce genre est notamment décrit dans un brevet européen 651409 en liaison avec la figure 1 de ce brevet. Il comporte notamment un agencement enclencheur-déclencheur incluant un arbre principal de manoeuvre, dit de mise en circuit, sur lequel sont fixés divers leviers de commande qui permettent notamment à cet arbre d'agir sur le module et d'être entraíné en rotation sous l'action d'une came dans un premier sens déterminé, depuis une position de départ pour laquelle le module est dans un premier état jusqu'à une position pour laquelle le module atteint un second état. Cette rotation s'effectue par pression de la came sur un des leviers que porte l'arbre principal et à l'encontre d'un ressort de rappel qui est apte à faire tourner cet arbre principal en sens inverse du précédent et qui agit par l'intermédiaire d'un autre levier. La rotation inverse de l'arbre principal n'est réalisable que dans certaines conditions qui sont développées plus loin. Il est aussi prévu des moyens d'amortissement de fin de course qui sont rendus solidaires de l'arbre principal et notamment un amortisseur agissant sur cet arbre par un levier différent des précédents lors du retour de l'arbre en position de départ.A control mechanism of this kind is described in particular in a European patent 651409 in conjunction with Figure 1 of this patent. he includes in particular a latch-release arrangement including a main operating shaft, said to be a circuit, on which are fixed various control levers which allow this tree in particular act on the module and be rotated under the action of a cam in a first determined direction, from a starting position for which the module is in a first state up to a position for which the module reaches a second state. This rotation takes place by pressing the cam on one of the levers carried by the main shaft and against a return spring which is able to rotate this shaft principal in the opposite direction from the previous one and which acts through a another lever. Reverse rotation of the main shaft is only possible under certain conditions which are developed later. It is also provided end-of-travel damping means which are returned integral with the main shaft and in particular a shock absorber acting on this tree by a lever different from the previous ones when the tree returns in the starting position.

Ce genre de mécanisme de commande à ressort présente l'inconvénient d'impliquer un nombre de pièces différentes relativement élevé qui constituent des ensembles fonctionnels se combinant de manière relativement complexe dont la mise en service et le maintien en fonctionnement sont délicats à réaliser et donc trop coûteux.This type of spring control mechanism has the disadvantage to involve a relatively large number of different parts which constitute functional groups which combine in a way relatively complex including commissioning and maintenance are difficult to achieve and therefore too expensive.

L'invention propose un dispositif pour mécanisme de commande à ressort d'un appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre principal de manoeuvre sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation par des moyens d'entraínement dans un premier sens déterminé, depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état. L'agencement comporte de plus un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel.The invention provides a device for a spring control mechanism. an electrical appliance of power, in particular medium or high voltage, in which at least one switching module is switched from one position to another through an arrangement latch-trip unit including a main operating shaft on which are fixed control levers allowing this shaft to be driven in rotation by means of drive in a first determined direction, from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state. The layout includes plus a limit switch acting on the return of the shaft in first position under the action of the return spring.

Selon un aspect de l'invention, le dispositif est tel que défini dans la revendication 1.According to one aspect of the invention, the device is as defined in the claim 1.

L'invention propose aussi un mécanisme de commande pour appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre de manoeuvre sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation, dans un premier sens déterminé sous l'action d'une came rotative venant presser sur un des leviers, dit d'enclenchement-déclenchement, ladite rotation s'effectuant depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état. La rotation de sens inverse n'est réalisable après effacement d'un cliquet de retenue qui retient cet arbre dans sa seconde position en agissant sur le levier d'enclenchement-déclenchement, sous le contrôle de moyens de déclenchement, lorsque la came est devenue inopérante en raison de sa rotation et de son profil. L'agencement comporte de plus un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel.The invention also provides a control mechanism for apparatus electrical power, especially medium or high voltage, in which at least one switching module is switched from one position to another through a latch-trip arrangement including an operating shaft on which are fixed levers control allowing this shaft to be rotated, in a first direction determined by the action of a rotating cam pressing on one of the levers, said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state. Reverse rotation is not possible after erasing a retaining pawl which retains this shaft in its second position by acting on the lever interlock-tripping, under the control of means of triggering, when the cam has become inoperative due to its rotation and its profile. The arrangement further includes a shock absorber limit switch acting when the shaft returns to the first position under the action of the return spring.

Selon un autre aspect de l'invention, ledit mécanisme est tel que défini dans la revendication 6.According to another aspect of the invention, said mechanism is as defined in claim 6.

L'invention, ses caractéristiques et ses avantages sont précisés dans la description qui suit en liaison avec les figures évoquées ci-dessous. The invention, its characteristics and its advantages are specified in the description which follows in conjunction with the figures mentioned below.

La figure 1 présente un schéma d'un agencement enclencheur-déclencheur que comporte un mécanisme connu de commande d'appareillage électrique de puissance.Figure 1 shows a diagram of a latch-trip arrangement that includes a known control mechanism of electrical power equipment.

La figure 2 présente un schéma d'un agencement enclencheur-déclencheur comporté par un mécanisme de commande analogue à celui évoqué ci-dessus qui est équipé d'un dispositif selon l'invention.Figure 2 shows a diagram of a latch-trip arrangement comprising a control mechanism similar to that mentioned above which is equipped with a device according to the invention.

La figure 3 présente une coupe d'un dispositif constitué par un sous-ensemble de rappel et d'amortissement, selon l'invention.Figure 3 shows a section of a device consisting of a sub-assembly recall and amortization, according to the invention.

Le mécanisme de commande à ressort, connu, dont un des agencements principaux est schématisé sur la figure 1, correspond à celui qui est décrit en liaison avec la figure 1 de la demande européenne 651409. Il est prévu pour équiper un appareillage électrique de puissance et notamment un disjoncteur moyenne ou haute tension, comportant un module de commutation de puissance 1 doté d'un agencement enclencheur-déclencheur qui assure plus particulièrement la mise sous et hors tension. A cet effet cet agencement dispose de moyens, schématisés par une liaison mécanique de commande L, lui permettant d'agir sur le module de commutation 1, symbolisé par un contact qui est représenté en position ouverte sur la figure 1 et en position fermée sur la figure 2.The known spring control mechanism, including one of the arrangements main is shown schematically in Figure 1, corresponds to that described in conjunction with Figure 1 of European application 651409. It is designed to equip electrical power equipment and in particular a medium or high voltage circuit breaker, comprising a power switching 1 with a latch-trip arrangement which more particularly ensures putting on and off voltage. For this purpose this arrangement has means, schematized by a mechanical control link L, allowing it to act on the switching module 1, symbolized by a contact which is represented in the open position in Figure 1 and in the closed position in Figure 2.

La liaison de commande L est articulée sur un levier 2 latéralement porté par un arbre principal de manoeuvre 3 tournant de manière limitée, soit dans un sens pour permettre le passage d'une première position ou position de départ, pour laquelle le module de commutation 1 est dans un premier état, à une seconde position, pour laquelle ce module est amené dans un second état, soit dans l'autre sens pour un passage de la seconde position à la première. Généralement la première position se traduit par un état déclenché du module, alors que la seconde position correspond à un état enclenché.The control link L is articulated on a lever 2 laterally carried by a main operating shaft 3 rotating in a limited manner, either in one direction to allow the passage of a first position or starting position, for which the switching module 1 is in a first state, at a second position, for which this module is brought in a second state, or in the other direction for a passage of the second position to the first. Usually the first position is translated by a triggered state of the module, while the second position corresponds to an engaged state.

L'arbre principal 3 est mis en rotation dans un sens déterminé, depuis sa première position et ici en sens inverse des aiguilles d'une montre, par l'action d'une came d'enclenchement 4 fixée sur un arbre 5 dont la rotation est assurée par des moyens d'entraínement, connus de l'homme de métier. Ces moyens sont notamment décrits dans la demande européenne 651409 et ils ne sont pas détaillés ici dans la mesure où ils n'ont qu'un rapport indirect avec l'objet de l'invention.The main shaft 3 is rotated in a determined direction, from its first position and here counterclockwise, by the action of an engagement cam 4 fixed on a shaft 5, the rotation is ensured by drive means, known to man business. These means are described in particular in the request. European 651409 and they are not detailed here insofar as they have only an indirect relationship with the subject of the invention.

La came 4 est dotée d'un profil, par l'intermédiaire duquel elle vient presser contre un galet 6 porté par un levier d'enclenchement-déclenchement 7, lui-même fixé latéralement sur l'arbre principal 3, de manière à faire tourner cet arbre principal, depuis sa première position, vers sa seconde position pour laquelle le module de commutation 1 est enclenché. Le profil de la came 4 est aussi réalisé de manière à ne plus coopérer avec le galet 6 pour entraíner l'arbre 3, à partir du moment où il a permis d'atteindre la seconde position et tant que, d'une part, la rotation de la came ne lui a pas permis de retrouver une première position déterminée de départ et que, d'autre part, le levier 7 n'est pas lui-même revenu dans une première position déterminée de départ.Cam 4 has a profile, through which it comes press against a roller 6 carried by an interlock-release lever 7, itself fixed laterally on the main shaft 3, of so as to rotate this main shaft, from its first position, to its second position for which the switching module 1 is triggered. The profile of the cam 4 is also produced so that it no longer cooperate with the roller 6 to drive the shaft 3, from the moment it allowed to reach the second position and as long as, on the one hand, the rotation of the cam did not allow him to find a first position determined at the outset and that, on the other hand, the lever 7 is not itself returned to a first determined starting position.

Le levier d'enclenchement-déclenchement 7 porte un doigt 8 lui permettant de coopérer avec un galet 9 porté par un cliquet de retenue 10, de manière à empêcher l'arbre principal 3 de tourner dans le sens des aiguilles d'une montre, sous l'action d'un ressort de rappel 11. Ce ressort est relié à une extrémité d'un levier 20 latéralement fixé sur l'arbre principal 3 et il est bandé lors de la rotation de l'arbre 3 sous l'action de la came 4. Le cliquet de retenue 10 est un levier articulé sur un axe 12. Il est maintenu dans la position pour laquelle il empêche l'arbre principal de tourner, par l'intermédiaire d'une came de déclenchement 13 contre laquelle il est alors en butée. La came 13 est articulée sur un axe 14 et commandée par des moyens de déclenchement 15, connus de l'homme de métier et représentés sous forme symbolisée sur les figures 1 et 2. Ces moyens connus permettent de commander, automatiquement et/ou manuellement, la rotation de la came 13 pour lui permettre de passer d'une position pour laquelle le cliquet 10 bloque la rotation de l'arbre principal 3, sous l'effet du ressort 11, par immobilisation du doigt 8, à une position pour laquelle le cliquet 10 s'efface par rotation et libère le doigt, cette rotation étant ici prévue dans le sens des aiguilles d'une montre.The engagement-trigger lever 7 carries a finger 8 allowing to cooperate with a roller 9 carried by a retaining pawl 10, so as to prevent the main shaft 3 from rotating in the direction clockwise, under the action of a return spring 11. This spring is connected to one end of a lever 20 laterally fixed on the shaft main 3 and it is bandaged during the rotation of the shaft 3 under the action of the cam 4. The retaining pawl 10 is a lever articulated on an axis 12. It is kept in the position for which it prevents the main shaft from turn, via a trigger cam 13 against which it is then in abutment. The cam 13 is articulated on an axis 14 and controlled by trigger means 15, known to man by trade and represented in symbolized form in Figures 1 and 2. These known means make it possible to control, automatically and / or manually, the rotation of the cam 13 to allow it to pass from a position for which the pawl 10 blocks the rotation of the shaft main 3, under the effect of the spring 11, by immobilizing the finger 8, at a position for which the pawl 10 disappears by rotation and releases the finger, this rotation being here provided in a clockwise direction.

La rotation de l'arbre principal 3 sous l'action en traction du ressort 11 est permise par la libération du doigt 8. Elle agit sur le module de commutation 1 qui quitte la position enclenchée, où il se trouvait maintenu, pour revenir en première position. Cette rotation est freinée en fin de course par l'intermédiaire d'un amortisseur 16, qui est articulé sur un axe fixe 17 et dont le piston 18 vient s'articuler à l'extrémité d'un levier 19 latéralement fixé sur l'arbre principal 3.The rotation of the main shaft 3 under the tensile action of the spring 11 is enabled by the release of finger 8. It acts on the module of switching 1 which leaves the engaged position, where it was maintained, to return to first position. This rotation is braked in limit switch by means of a shock absorber 16, which is articulated on a fixed axis 17 and the piston 18 of which is articulated at the end of a lever 19 laterally fixed on the main shaft 3.

Selon l'invention, il est prévu de substituer à ce mécanisme de commande élaboré un mécanisme efficace et fiable qui soit moins complexe et moins encombrant, comme l'illustrent les figures 2 et 3. Ceci concerne plus particulièrement les sous-ensembles fonctionnels dont les éléments essentiels sont le ressort de rappel 11 et l'amortisseur 16. Ainsi, dans la réalisation connue succinctement décrite ci-dessus l'amortisseur et le ressort occupent chacun un volume relativement importan :t dans le mécanisme et les moyens de liaison du ressort et de l'amortisseur à l'arbre principal sont mécaniquement assez complexes et impliquent la présence de moyens de réglage spécifiques qui n'ont pas été développés ici. Par exemple, dans le mécanisme connu évoqué ci-dessus, le ressort de rappel 11 est fixé par une première extrémité à l'intérieur d'un contenant 21 d'où sort une chaíne 22 qui est fixée, d'une part, à la seconde extrémité du ressort 11 et, d'autre part, en extrémité du levier 20. Le contenant doit comporter des moyens accessibles de l'extérieur qui permettent de mettre sous tension et de régler la tension du ressort. A des fins de diminution d'encombrement, la chaíne 22 est repliée ce qui conduit à ce qu'elle passe par des poulies de renvoi 23, selon un trajet relativement compliqué et d'une manière qui gagnerait manifestement à être simplifiée,According to the invention, it is intended to replace this mechanism of control developed an efficient and reliable mechanism that is less complex and less bulky, as illustrated in Figures 2 and 3. This relates more particularly to functional subsets whose essential elements are the return spring 11 and the shock absorber 16. Thus, in the known embodiment succinctly described above the damper and the spring each occupy a relatively large volume: t in the mechanism and means for connecting the spring and the shock absorber to the main shaft are mechanically quite complex and involve the presence of specific adjustment means which have not been developed here. For example, in the known mechanism mentioned above, the spring 11 is fixed by a first end inside a containing 21 from which comes out a chain 22 which is fixed, on the one hand, to the second end of the spring 11 and, on the other hand, at the end of the lever 20. The container must include means accessible from the outside which allow tensioning and adjusting the spring tension. For purposes of reduction in size, the chain 22 is folded which leads to it going through return pulleys 23, along a path relatively complicated and in a way that would clearly benefit be simplified,

Pour remédier à ces inconvénients l'invention propose donc un agencement enclencheur-déclencheur pour mécanisme de commande, tel que schématisé sur la figure 2. Cet agencement est destiné à actionner un module de commutation 1' qui correspond au module de commutation 1 présenté sur la figure 1, et qu'il est possible de positionner soit dans une position déclenchée, soit dans une position enclenchée, comme ce module 1.To remedy these drawbacks, the invention therefore proposes a latch-trip arrangement for a control mechanism, as shown diagrammatically in FIG. 2. This arrangement is intended for activate a switching module 1 'which corresponds to the switching 1 shown in Figure 1, and that it is possible to position either in a triggered position or in a position engaged, like this module 1.

Des moyens, schématisés par une liaison mécanique de commande L' permettent d'agir sur le module de commutation 1' symbolisé par un contact représenté en position fermée. La liaison L' est articulée sur un levier 2' latéralement porté par un arbre principal 3' fonctionnant dans les mêmes conditions que l'arbre principal 3.Means, shown schematically by a mechanical control link L ' act on the switching module 1 'symbolized by a contact shown in closed position. The link L 'is articulated on a lever 2 'laterally carried by a main shaft 3' operating in the same conditions as the main tree 3.

Cet arbre principal 3' est mis en rotation depuis une première position ou position de départ, par l'action d'une came d'enclenchement 4' fixée sur un arbre 5' dont la rotation est assurée par des moyens d'entraínement tels qu'évoqués plus haut. La came 4', qui correspond à la came 4, est prévue pour venir presser contre un galet 6' porté par un levier d'enclenchement-déclenchement 7' latéralement fixé sur l'arbre principal 3' de manière à pouvoir le faire tourner depuis la première position, jusqu'à une seconde position pour lequel le module 1' est à l'état enclenché. Le profil de la came 4' est réalisé, comme celui de la came 4, pour ne plus coopérer avec le galet 6' pour entraíner l'arbre 3', à partir du moment où cet arbre a atteint sa seconde position et tant que la rotation n'a pas permis à la came de revenir en première position, telle que représentée sur la figure 2. Comme précédemment, tout renouvellement de cette coopération implique un retour préalable du levier 7' en position de départ.This main shaft 3 'is rotated from a first position or starting position, by the action of a locking cam 4 'fixed on a 5 'shaft whose rotation is ensured by drive means as mentioned above. Cam 4 ', which corresponds to cam 4, is designed to press against a 6 'roller carried by a lever 7 'interlock-release laterally fixed on the main shaft 3 'so that it can be rotated from the first position, up to a second position for which the module 1 'is in the state triggered. The profile of the cam 4 ′ is produced, like that of the cam 4, to no longer cooperate with the roller 6 'to drive the shaft 3', from the time this tree has reached its second position and as long as the rotation did not allow the cam to return to first position, such as shown in Figure 2. As before, any renewal of this cooperation implies a prior return of the lever 7 'in position of departure.

Le levier 7' porte un doigt 8' lui permettant de coopérer avec un galet 9' porté par un cliquet de retenue 10', de manière à empêcher la rotation de l'arbre principal dans le sens des aiguilles d'une montre, sous l'action d'un ressort de rappel. Le cliquet 10' est articulé sur un axe 12' et il est maintenu dans une position, pour laquelle il empêche l'arbre 3' de tourner sous la traction du ressort de rappel, par l'intermédiaire d'une came de déclenchement 13'. Cette came 13' est commandée par des moyens de déclenchement 15', dans les mêmes conditions que la came de déclenchement 13 par les moyens de déclenchement 15.The lever 7 'carries a finger 8' allowing it to cooperate with a roller 9 ' carried by a retaining pawl 10 ', so as to prevent rotation of the main tree clockwise under the action a return spring. The pawl 10 'is articulated on an axis 12' and it is held in a position, for which it prevents the 3 'shaft from rotating under the tension of the return spring, via a cam 13 'trigger. This cam 13 'is controlled by means of 15 'trigger, under the same conditions as the cam trigger 13 by trigger means 15.

Par contre, selon l'invention, il est prévu de substituer un dispositif mécanique 35 unique aux sous-ensembles fonctionnels dont les éléments essentiels étaient le ressort de rappel 11 et l'amortisseur 16 dans l'agencement enclencheur-déclencheur tel que décrit en liaison avec la figure 1.On the other hand, according to the invention, it is planned to replace a device mechanical 35 unique to functional subsets whose essential elements were the return spring 11 and the shock absorber 16 in the latch-trip arrangement as described in connection with figure 1.

Ce dispositif mécanique, selon l'invention, se présente sous la forme d'un sous-ensemble autonome dans lequel un ressort de rappel 36 et un amortisseur 37 sont associés dans un montage coaxial. Ce sous-ensemble est prévu en particulier pour permettre des réglages indépendants de la pré-tension appliquée au ressort et de l'amortissement au niveau de l'amortisseurThis mechanical device, according to the invention, is in the form of a autonomous sub-assembly in which a return spring 36 and a shock absorber 37 are associated in a coaxial arrangement. This subset is provided in particular to allow adjustments independent of the pre-tension applied to the spring and damping at the shock absorber

L'amortisseur 37 est par exemple un amortisseur à huile usuel qui est articulé par une première extrémité sur un pivot fixe 24, comme l'amortisseur 15 sur le pivot 16. Cet amortisseur 37 comporte une tige de piston 25, qui saille de sa seconde extrémité et qui s'articule sur un levier 26 latéralement fixé sur l'arbre principal 3'. Ce levier 26 se substitue aux leviers 19 et 20 de la réalisation connue, décrite plus haut.The shock absorber 37 is for example a conventional oil shock absorber which is articulated by a first end on a fixed pivot 24, as the shock absorber 15 on the pivot 16. This shock absorber 37 comprises a rod piston 25, which projects from its second end and which is articulated on a lever 26 laterally fixed on the main shaft 3 '. This lever 26 replaces the levers 19 and 20 of the known embodiment, described above.

Dans la réalisation proposée, l'amortisseur 37 comporte une cuve 27, remplie d'huile, qui est au moins partiellement logée dans un corps cylindrique 28 où elle est fixée et c'est ce corps qui comporte un passage 29 prévu pour recevoir le pivot d'articulation 24. In the proposed embodiment, the shock absorber 37 comprises a tank 27, filled with oil, which is at least partially housed in a body cylindrical 28 where it is fixed and it is this body which has a passage 29 provided to receive the articulation pivot 24.

Le ressort de rappel 36 est un ressort hélicoïdal qui vient se fixer par une extrémité sur le corps 28 qu'il vient entourer. Dans l'exemple de réalisation envisagé, le corps 28 comporte une rainure périphérique d'allure hélicoïdale dont les dimensions sont complémentaires de celle du ressort 36 qui vient donc s'y assujettir par une première extrémité, comme on le voit sur les figures 2 et 3. Le ressort 36 est traversé sur sa longueur par la tige de piston 25 et il se fixe par sa seconde extrémité sur une douille 30 que traverse également la tige de piston 25. Dans l'exemple de réalisation proposé, la fixation du ressort 25 sur la douille 30 est réalisée comme celle de ce ressort sur le corps 28.The return spring 36 is a helical spring which is fixed by a end on the body 28 which it comes to surround. In the example of envisaged embodiment, the body 28 has a peripheral groove helical in appearance whose dimensions are complementary to that of spring 36 which therefore comes to be subjected to it by a first end, as seen in Figures 2 and 3. The spring 36 is crossed on its length by the piston rod 25 and it is fixed by its second end on a sleeve 30 which also passes through the piston rod 25. In the proposed embodiment, the fixing of the spring 25 on the sleeve 30 is made like that of this spring on the body 28.

Un manchon d'ajustement 31 se visse sur l'extrémité de la tige de piston qui saille hors de la cuve 27 de l'amortisseur 37 et qui est filetée en ce but. Ce manchon est terminé à une extrémité par un collet d'appui 38 qui est logé à l'intérieur du ressort hélicoïdal, lorsque le dispositif est monté, de manière à servir de butée pour la douille 30. Cet agencement permet de régler la contrainte imposée longitudinalement au ressort 36, par vissage ou dévissage du manchon d'ajustement 31, étant entendu que ce ressort est prévu pour exercer une traction sur le levier 26.An adjustment sleeve 31 screws onto the end of the piston rod which protrudes from the tank 27 of the shock absorber 37 and which is threaded therein goal. This sleeve is terminated at one end by a support collar 38 which is housed inside the coil spring, when the device is mounted, so as to serve as a stop for the sleeve 30. This arrangement allows to adjust the stress imposed longitudinally on the spring 36, by screwing or unscrewing the adjustment sleeve 31, it being understood that this spring is provided to exert traction on the lever 26.

L'extrémité du manchon d'ajustement 31, qui est à l'opposé de celle par où pénètre la tige de piston 25, vient s'articuler à l'extrémité du levier 26 de manière que le dispositif 35 selon l'invention puisse pivoter en suivant le mouvement de cette extrémité, lorsque l'arbre principal 3' est manoeuvré. Dans l'exemple de réalisation proposé, une chape 32 reçoit l'extrémité filetée de la tige de piston 25. La chape 32 comporte un passage d'axe 33 prévu pour lui permettre de venir s'articuler sur un pivot d'extrémité 34 que porte le levier 26.The end of the adjustment sleeve 31, which is opposite to that by where the piston rod 25 enters, is articulated at the end of the lever 26 so that the device 35 according to the invention can pivot following the movement of this end, when the main shaft 3 'is maneuver. In the proposed embodiment, a yoke 32 receives the threaded end of the piston rod 25. The yoke 32 has a axis passage 33 provided to allow it to come articulate on a pivot end 34 carried by the lever 26.

Le ressort 36 du dispositif de rappel et d'amortissement ainsi constitué est donc élastiquement étiré, lorsque l'arbre principal 3' est mis en rotation sous l'action de la came 4' agissant par appui sur le levier 7', lorsque cette came est mise en rotation par ses moyens d'entraínement. Un étirement maximal du ressort 36 est obtenu, lorsque la came 4' a entraíné le module de commutation 1' en position enclenchée. Simultanément la tige de piston 25 de l'amortisseur est amené en sa position de saillie maximale, hors de la cuve 27 de l'amortisseur.The spring 36 of the return and damping device thus formed is therefore elastically stretched, when the main shaft 3 'is put in rotation under the action of the cam 4 'acting by pressing on the lever 7', when this cam is rotated by its drive means. Maximum stretching of the spring 36 is obtained when the cam 4 'has driven the switching module 1 'in the engaged position. Simultaneously the piston rod 25 of the shock absorber is brought into its maximum projection position, outside of the tank 27 of the shock absorber.

Le positionnement du manchon 31 sur la tige de piston se règle par vissage ou dévissage, il permet de régler la force de rappel exercée par le ressort 36 sur l'arbre principal 3' par l'intermédiaire du levier 26. Cette force assure le retour de l'arbre principal dans sa première position, pour laquelle le commutateur 1' est déclenché, dès que la came 13 est rappelée en arrière en raison de conditions d'exploitation correspondant aux conditions de déclenchement préétablies. L'amortisseur 37 entre en action lors du retour de l'arbre principal en première position, sous l'action du ressort 36 et il assure un freinage pour permettre d'éviter l'apparition d'oscillations en fin de course.The positioning of the sleeve 31 on the piston rod is adjusted by screwing or unscrewing, it adjusts the restoring force exerted by the spring 36 on the main shaft 3 'via the lever 26. This force ensures the return of the main shaft to its first position, to which the switch 1 'is triggered, as soon as the cam 13 is recalled back due to corresponding operating conditions to the pre-established trigger conditions. The shock absorber 37 comes into action when returning the main shaft to first position, under the action of the spring 36 and it provides braking to avoid the appearance of oscillations at the end of the race.

Claims (7)

Dispositif pour mécanisme de commande à ressort d'un appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation (1') est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre principal de manoeuvre (3') sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation sous l'action d'une came (4') dans un premier sens déterminé, depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état, , ledit agencement enclencheur-déclencheur comportant aussi un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel, caractérisé en ce que ledit dispositif est constitué par un sous-ensemble de rappel et d'amortissement qui comporte un amortisseur (37) et un ressort de rappel (36) coaxialement montés entre deux pivots d'articulation dont l'un (16') est fixe et dont l'autre (34) est fixé en extrémité d'un des leviers (26) que porte l'arbre principal, en ce que la cuve (27) de l'amortisseur (37) est articulée sur un premier des pivots et la tige de piston (25) de cet amortisseur est articulée sur le second des pivots et en ce que le ressort est solidaire de la cuve de l'amortisseur par une première extrémité et de l'extrémité d'articulation de la tige de piston par une seconde extrémité et entoure ladite cuve.Device for a spring control mechanism of an apparatus electrical power, especially medium or high voltage, in which at least one switching module (1 ') is switched by one position to another via a latch-trip arrangement including a main operating shaft (3 ') on which are fixed control levers allowing this shaft to be driven in rotation under the action of a cam (4 ') in a first determined direction, from a first position for which the module is in a first state up to a second position in which the module is brought in a second state, and against a return spring capable of making turn the main shaft in reverse to bring the module back second state to first state, said engagement-trip arrangement also comprising a limit switch acting upon return the shaft in the first position under the action of the return spring, characterized in that said device consists of a sub-assembly return and damping system which comprises a shock absorber (37) and a return spring (36) coaxially mounted between two pivots one of which (16 ') is fixed and the other (34) of which is fixed end of one of the levers (26) carried by the main shaft, in that the tank (27) of the shock absorber (37) is articulated on a first of the pivots and the piston rod (25) of this shock absorber is articulated on the second of pivots and in that the spring is integral with the shock absorber tank by a first end and the hinge end of the piston rod by a second end and surrounds said tank. Dispositif, selon la revendication 1, dans lequel la tige de piston est filetée en extrémité pour recevoir un agencement de réglage de tension pour le ressort de rappel qu'elle traverse, de manière à permettre de modifier la position de cet agencement sur une partie de la longueur de cette tige et la précontrainte imposée au ressort.Device according to claim 1, in which the piston rod is threaded at the end to receive a tension adjustment arrangement for the return spring through which it passes, so as to allow change the position of this arrangement over part of the length of this rod and the prestress imposed on the spring. Dispositif, selon l'une des revendications 1, 2, dans lequel est prévu un agencement de réglage, de la contrainte appliquée au ressort de rappel, qui comporte un manchon d'ajustement (31), vissé sur la tige du piston et muni à une extrémité d'un collet d'appui (38) se logeant à l'intérieur du ressort, ainsi qu'une douille (30) de fixation d'extrémité de ressort enfilée sur le manchon et en butée contre le collet d'appui sous la traction du ressort. Device according to one of claims 1, 2, in which a adjustment arrangement, of the stress applied to the return spring, which comprises an adjustment sleeve (31), screwed onto the piston rod and provided at one end with a support collar (38) housed inside the spring, as well as a threaded spring end fixing sleeve (30) on the sleeve and in abutment against the support collar under the traction of the spring. Dispositif selon l'une des revendications 1 à 3, dans lequel la tige de piston s'articule sur un pivot (34) porté par un levier (26) fixé sur l'arbre principal.Device according to one of claims 1 to 3, in which the rod piston is articulated on a pivot (34) carried by a lever (26) fixed on the shaft main. Dispositif selon l'une des revendications 1 à 4, dans lequel la tige de piston (25) s'articule par une chape (32) sur un pivot (34) d'un levier (26) latéralement fixé sur l'arbre principal, cette chape étant fixée en extrémité de tige, au-delà du ressort de rappel (36).Device according to one of claims 1 to 4, in which the rod piston (25) is articulated by a yoke (32) on a pivot (34) of a lever (26) laterally fixed on the main shaft, this yoke being fixed at the end rod, beyond the return spring (36). Mécanisme de commande pour appareillage électrique de puissance, notamment moyenne ou haute tension, dans lequel au moins un module de commutation (1') est commuté d'une position à une autre par l'intermédiaire d'un agencement enclencheur-déclencheur incluant un arbre de manoeuvre (3') sur lequel sont fixés des leviers de commande permettant à cet arbre d'être entraíné en rotation, dans un premier sens déterminé sous l'action d'une came rotative (4') venant presser sur un des leviers (7'), dit d'enclenchement-déclenchement, ladite rotation s'effectuant depuis une première position pour laquelle le module est dans un premier état jusqu'à une seconde position dans laquelle le module est amené dans un second état, et à l'encontre d'un ressort de rappel apte à faire tourner l'arbre principal en sens inverse pour ramener le module du second état au premier état, ladite rotation de sens inverse étant réalisable après effacement d'un cliquet de retenue (10') qui retient cet arbre dans sa seconde position en agissant sur le levier d'enclenchement-déclenchement (7'), sous le contrôle de moyens de déclenchement (5), lorsque la came est devenue inopérante en raison de sa rotation et de son profil, ledit agencement comportant de plus un amortisseur de fin de course agissant lors du retour de l'arbre en première position sous l'action du ressort de rappel, ledit mécanisme étant caractérisé en ce que ledit agencement enclencheur-déclencheur comporte un levier (26), fixé sur l'arbre principal, qui porte un pivot (34) d'extrémité au niveau duquel s'articule un dispositif constitué par un sous-ensemble de rappel et d'amortissement, incluant un amortisseur (37) et un ressort de rappel (36) coaxialement montés entre deux pivots d'articulation dont l'un est fixe et dont l'autre est ledit pivot d'extrémité (34), en ce que la cuve (27) de l'amortisseur est articulée sur un premier des pivots et la tige de piston (25)de cet amortisseur est articulée sur le second de ces pivots et en ce que le ressort de rappel est solidaire de la cuve de l'amortisseur par une première extrémité et de l'extrémité d'articulation de la tige de piston par une seconde extrémité et entoure ladite cuve.Control mechanism for electrical power equipment, in particular medium or high voltage, in which at least one module switch (1 ') is switched from one position to another by through a trigger-trigger arrangement including a operating shaft (3 ') on which control levers are fixed allowing this shaft to be rotated, in a first direction determined by the action of a rotary cam (4 ') pressing on a levers (7 '), said to be interlocking-tripping, said rotation taking place from a first position for which the module is in a first state up to a second position in which the module is brought into a second state, and against a spring of reminder able to rotate the main shaft in the opposite direction to bring back the module from the second state to the first state, said rotation in the opposite direction being achievable after erasing a retaining pawl (10 ') which retains this shaft in its second position by acting on the lever interlock-tripping (7 '), under the control of means of trigger (5), when the cam has become inoperative due to its rotation and its profile, said arrangement further comprising a end-of-travel damper acting when the shaft returns first position under the action of the return spring, said mechanism being characterized in that said latch-trip arrangement comprises a lever (26), fixed on the main shaft, which carries a pivot (34) end at which is articulated a device constituted by a recall and damping sub-assembly, including a shock absorber (37) and a return spring (36) coaxially mounted between two pivots one of which is fixed and the other of which is said end pivot (34), in that the tank (27) of the shock absorber is articulated on a first pivots and the piston rod (25) of this shock absorber is articulated on the second of these pivots and in that the return spring is integral with the shock absorber tank at one end and at the end articulation of the piston rod by a second end and surrounds said tank. Mécanisme de commande, selon la revendication 6, caractérisé en ce qu'il comporte un dispositif selon au moins l'une des revendications précédentes de dispositif.Control mechanism according to claim 6, characterized in that that it comprises a device according to at least one of the claims previous of device.
EP01400519A 2000-03-02 2001-02-28 Device for operating mechanism of an electrical apparatus and operating mechanism with such a device Expired - Lifetime EP1130610B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0002687A FR2805921B1 (en) 2000-03-02 2000-03-02 DEVICE FOR CONTROL MECHANISM OF ELECTRICAL APPARATUS AND CONTROL MECHANISM PROVIDED WITH SUCH A DEVICE
FR0002687 2000-03-02

Publications (2)

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EP1130610A1 true EP1130610A1 (en) 2001-09-05
EP1130610B1 EP1130610B1 (en) 2008-04-23

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EP01400519A Expired - Lifetime EP1130610B1 (en) 2000-03-02 2001-02-28 Device for operating mechanism of an electrical apparatus and operating mechanism with such a device

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EP (1) EP1130610B1 (en)
AT (1) ATE393460T1 (en)
DE (1) DE60133684T2 (en)
FR (1) FR2805921B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925211A1 (en) * 2007-12-17 2009-06-19 Areva T & D Ag COMPACT AND ROBUST CONTROL FOR MEDIUM AND HIGH VOLTAGE ELECTRICAL EQUIPMENT
FR2925210A1 (en) * 2007-12-17 2009-06-19 Areva T & D Ag COMPACT CONTROL FOR MEDIUM AND HIGH VOLTAGE ELECTRICAL EQUIPMENT
CN103236358A (en) * 2013-04-15 2013-08-07 无锡市锡山湖光电器有限公司 Buffer for circuit breaker
CN110176371A (en) * 2019-07-03 2019-08-27 珠海鼎冠电气有限公司 A kind of low concussion switching mechanism
CN112382517A (en) * 2020-11-02 2021-02-19 平高集团有限公司 Closing system of spring operating mechanism and spring operating mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103560025B (en) * 2013-10-12 2016-05-18 安徽中电兴发与鑫龙科技股份有限公司 One AC high voltage vacuum breaker mechanism

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Publication number Priority date Publication date Assignee Title
US1867847A (en) * 1928-02-01 1932-07-19 Kelman Electric & Mfg Company Operating mechanism for oil switches
US2717288A (en) * 1952-01-04 1955-09-06 Gen Electric Pneumatically controlled operating device for electric circuit breakers
US3845433A (en) * 1973-09-28 1974-10-29 Arrow Hart Inc Switch operator with tripping means
EP0651409A1 (en) * 1993-11-03 1995-05-03 GEC Alsthom T&D AG Spring drive for switchgear

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867847A (en) * 1928-02-01 1932-07-19 Kelman Electric & Mfg Company Operating mechanism for oil switches
US2717288A (en) * 1952-01-04 1955-09-06 Gen Electric Pneumatically controlled operating device for electric circuit breakers
US3845433A (en) * 1973-09-28 1974-10-29 Arrow Hart Inc Switch operator with tripping means
EP0651409A1 (en) * 1993-11-03 1995-05-03 GEC Alsthom T&D AG Spring drive for switchgear

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925211A1 (en) * 2007-12-17 2009-06-19 Areva T & D Ag COMPACT AND ROBUST CONTROL FOR MEDIUM AND HIGH VOLTAGE ELECTRICAL EQUIPMENT
FR2925210A1 (en) * 2007-12-17 2009-06-19 Areva T & D Ag COMPACT CONTROL FOR MEDIUM AND HIGH VOLTAGE ELECTRICAL EQUIPMENT
EP2073228A1 (en) 2007-12-17 2009-06-24 AREVA T&D AG Compact control for medium- and high-voltage electric devices
CN101465220A (en) * 2007-12-17 2009-06-24 阿雷瓦T&D公司 Compact control for medium- and high-voltage electric devices
EP2073227A1 (en) 2007-12-17 2009-06-24 AREVA T&D AG Compact and robust control for medium- and high-voltage electric devices
US7671292B2 (en) 2007-12-17 2010-03-02 Areva T&D Ag Compact operating mechanism for medium and high voltage switchgear
CN101465220B (en) * 2007-12-17 2013-10-16 阿尔斯通技术有限公司 Medium- and high-voltage switch device and operation mechanism thereof
CN103236358A (en) * 2013-04-15 2013-08-07 无锡市锡山湖光电器有限公司 Buffer for circuit breaker
CN110176371A (en) * 2019-07-03 2019-08-27 珠海鼎冠电气有限公司 A kind of low concussion switching mechanism
CN110176371B (en) * 2019-07-03 2024-05-07 珠海鼎冠电气有限公司 Low-vibration switch mechanism
CN112382517A (en) * 2020-11-02 2021-02-19 平高集团有限公司 Closing system of spring operating mechanism and spring operating mechanism

Also Published As

Publication number Publication date
EP1130610B1 (en) 2008-04-23
FR2805921A1 (en) 2001-09-07
DE60133684T2 (en) 2009-07-02
DE60133684D1 (en) 2008-06-05
ATE393460T1 (en) 2008-05-15
FR2805921B1 (en) 2002-11-29

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