EP0174906B1 - Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel - Google Patents

Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel Download PDF

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Publication number
EP0174906B1
EP0174906B1 EP85730108A EP85730108A EP0174906B1 EP 0174906 B1 EP0174906 B1 EP 0174906B1 EP 85730108 A EP85730108 A EP 85730108A EP 85730108 A EP85730108 A EP 85730108A EP 0174906 B1 EP0174906 B1 EP 0174906B1
Authority
EP
European Patent Office
Prior art keywords
shaft
tension means
eccentric
drive mechanism
locking mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85730108A
Other languages
German (de)
English (en)
Other versions
EP0174906A1 (fr
Inventor
Ulrich Ing. Grad. Marquardt
Ralf Ing. Grad. Seebold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0174906A1 publication Critical patent/EP0174906A1/fr
Application granted granted Critical
Publication of EP0174906B1 publication Critical patent/EP0174906B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
    • 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
    • H01H3/3005—Charging means
    • H01H3/3021—Charging means using unidirectional coupling
    • 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
    • H01H2003/3063—Decoupling charging handle or motor at end of charging cycle or during charged condition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1542—Strap actuator
    • Y10T74/1547—Single acting
    • Y10T74/1552—Spring or weight return
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1587—Grip features
    • Y10T74/1589—Driving band
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18528—Rotary to intermittent unidirectional motion

Definitions

  • the invention relates to a drive device for a circuit breaker with a spring which can be tensioned by a crank pin seated on a shaft by an eccentric member which can be driven all round, a transmission member and a directional locking mechanism seated on the shaft.
  • Drive devices of this type are in many different versions in use, with the aid of a relatively small motor or by hand to tension a relatively strong spring, the energy content of which is sufficient to switch the circuit breaker on and off again.
  • the drive device can act as a jump drive, i. H. after the motor is switched on, the spring is tensioned to the extent that the required energy is available, which is then inevitably released to the switching mechanism, or the drive device can act as a storage drive, in which the stored energy of the spring is chosen in any way at a desired point in time can be released for switching on.
  • Such drive devices are manufactured in a very similar design in principle for both low-voltage circuit breakers and medium-voltage circuit breakers.
  • the transmission member is a rod driven by an eccentric crank pin, which acts on the carrier of a driving pawl which can move around the shaft, which engages in the toothing of a ratchet wheel and rotates this step by step as a result of the reciprocating movement of the rod.
  • a pawl also cooperating with the toothing prevents the ratchet wheel from turning back under the influence of the spring to be tensioned.
  • the object of the invention is to fundamentally eliminate the tolerance problem and the property of a certain bulkiness in drive devices of the type mentioned at the beginning using such a flexible traction means.
  • this is done in that a flexible traction means connected to the directional lock is used as the transmission member and in that a further eccentric member is seated on the shaft of a hand lever and at least partially wrapped by the traction means between the eccentric member and the directional lock.
  • the use of a flexible traction means as the transmission member has the surprising advantage that the transmission members no longer have to be manufactured as dimensionally accurate finished components, possibly with an adjusting device for their effective length, but rather that by choosing a suitable length of the Traction means after the assembly of the other parts a practically tolerance-free adjustment can be made.
  • the property of flexibility also allows the force application by a motor and a hand lever to be included in a single or multiple kinked path and thereby to achieve a more revealing design in the arrangement of the components of switchgear.
  • the traction means can be used, for example, in such a way that a section of suitable length is attached at one end to the eccentric and at the other end to the driving part of the directional locking mechanism.
  • both ends of the traction device lie one above the other or next to one another.
  • An additional deflection device for the traction means can be provided in the drive device.
  • the deflection device which can have the form of a simple roller, allows the traction means to be guided within the circuit breaker in such a way that the space requirement is as small as possible or that other components are bypassed.
  • the deflection device can be arranged displaceably to act upon the traction means with a driving force. As a result, a further possibility for tensioning the storage spring is available without an additional transmission element.
  • the losses due to friction can be kept particularly low in a simple manner in a drive device according to the invention in that the eccentrically arranged members and optionally the deflection device are provided as supports for the traction means with the outer ring of a roller bearing.
  • the known needle cages are suitable, the thickness of which is only small, so that the dimensions of the parts to be provided with them are increased only slightly.
  • a band-shaped steel sheet is particularly suitable for the purposes of a drive device of the present type, since this material has a very low flexural strength with high tensile strength and does not require any complex elements for lateral guidance.
  • a restoring force is applied to the driving part of the directional locking device in the sense of a tension of the traction means. This tightens the band-shaped steel sheet.
  • this spring must also from the power source, ie. H. can be overcome by a motor or by an operator, but it has been shown in practice that the effort for this spring, which excites the traction means, is extremely small in comparison to the power requirement of the entire device and is therefore negligible.
  • ratchet wheels in connection with driving pawls and pawls are used as a directional lock in drive devices for circuit breakers.
  • a pinch roller freewheel or a sprag freewheel as a directional lock.
  • Such freewheels are generally known as machine elements, compare, for example, a catalog from Stieber Provisionzision GmbH, pages 5, 6, 14 and 15. Since such freewheel clutches, in contrast to ratchet ratchets, are not tied to a specific angle of rotation, one only has it in hand to achieve larger or smaller switching steps of the directional lock by a different eccentricity of the eccentrics driving the traction means.
  • the directional lock itself does not require any change. In this context, it is advisable to use the same pinch roller freewheel or sprag freewheel as a lock against reverse rotation of the shaft.
  • the clamping rollers or the clamping bodies can be moved into an ineffective position by at least one actuator depending on the end position of the shaft.
  • Pinch roller freewheels with uncouplable pinch rollers are known per se (DE catalog “Freewheels", Fa. Stieber Complexzision GmbH, page 75).
  • Figure 1 shows a drive device according to the invention in a longitudinal section and partially in view, the sectional planes of two cuts and the direction of the view of a detail are entered.
  • FIG. 2 is a section of the drive device according to FIG. 1 in the plane 11-11.
  • FIG. 3 is a section through the drive device according to FIG. 1 in the plane 111-111.
  • FIG. 4 shows a detail of the drive device according to FIG. 1 in accordance with arrow IV.
  • FIG. 1 two walls 1 and 2, shown at a distance from one another and broken off, are shown, which are part of a low-voltage circuit breaker.
  • a shaft 3 is mounted in the bearing openings of these walls, on which a cam disk 4 (see FIG. 2) is fastened in a rotationally locking manner.
  • the cam disc 4 serves to move into the switch-on position in cooperation with a roller 5 lying on its periphery in FIG. This is done with the aid of a lever mechanism which can best be seen in FIG. 2, which includes toggle levers 7 and 8, a support rocker arm 10, an intermediate lever 11 and a crank rocker 13 or a plurality of crank rockers seated on a selector shaft 12.
  • the roller 5 is attached to the lower toggle lever 7 rotatable about a fixed bearing 14. It could, for example, also be attached to the knee joint pin 15, which connects the toggle levers 7 and 8 to one another in an articulated manner.
  • Support rocker 10 At the connecting joint 21 of the upper toggle lever 8 and the intermediate lever 11 engages Support rocker 10, the other end of which is articulated on a ratchet lever 16.
  • the pawl lever 16 is in turn supported on a trigger shaft 17.
  • the toggle levers 7 and 8 are stretched, the intermediate lever 11 being displaced simultaneously via the joint 21 and the crank arm 13 being rotated clockwise by the joint 22 via the joint 22.
  • the joint 21 is guided by the support rocker 10 on a circular arc around the joint 23 located on the ratchet lever 16. If, starting from the switch-on position, the trigger shaft 17 is rotated clockwise to such an extent that the ratchet lever 16 loses its hold, then the ratchet lever 16 becomes under the influence of the load on the joint 21, which is transmitted to the ratchet lever 16 via the support rocker 10 Pivoted clockwise around the fixed bearing 24. This leads to the opening of the contact lever 6 by turning the selector shaft 12 counterclockwise.
  • FIG. 1 is first considered further. This shows that the shaft 3 is not directly supported with its surface in bearing openings of the walls 1 and 2, but with the insertion of bush-like parts which belong to two pinch roller freewheels 18 and 19.
  • the inner part 31 of a clamping roller freewheel 18, which sits like a socket on the shaft is fastened by means of a screw 30, the outer end face of which carries an eccentrically arranged driving pin 32 for the spring 33 to be tensioned.
  • FIG. 4 shows a view of the pinch roller freewheel 18 according to FIG. 1 in the direction of arrow IV.
  • the inner part 31 is provided with two axially juxtaposed shoulders of different diameters running concentrically to the longitudinal axis of the shaft 3.
  • peripheral surfaces 34 and 35 formed in this way are overlapped by the outer part 36 of the freewheel 18, which is firmly connected to the wall 1.
  • a needle cage 40 is arranged between the peripheral surface 35 of the inner part 31 and an inner surface 37 of the outer part 36, whereby a roller bearing is formed.
  • a plurality of clamping rollers 42 in recesses 38 (FIG. 1) with a shape typical of pinch roller freewheels, which only allow the shaft 3 to rotate in a known manner.
  • a further pinch roller freewheel 19 is assigned to the end of the shaft 3 on the right in FIG. 1, which has parts similar to the pinch roller freewheel 18 but with additional functions.
  • a driving force is introduced into the pinch roller freewheel 19, and a device is provided to arbitrarily release the clutch between the outer and the inner part of the pinch roller freewheel 19.
  • the clamping roller freewheel 19 in turn has an inner part 45 which, apart from somewhat different dimensions, corresponds in principle to the inner part 31 and which is likewise connected to the shaft 3 by means of a screw 46.
  • a bushing 47 fitted into the side wall 2 and a needle cage 50 serve to mount the inner part 45 in the side wall 2.
  • clamping rollers 51 are provided for the clamping rollers 42, each of which is compressed by a compression spring 57 in FIG. 3 into the narrowing part of recesses 58 in FIG 3, which are located on the inner circumference 53 of the outer part 52.
  • the outer part 52 of the freewheel 19 is designed differently because of the additional functions.
  • recesses 58 are initially provided in a known manner for the clamping rollers 51, the radial height of which is different in such a way that the clamping rollers rotate in one direction between the inner circumference 53 of the outer part 52 when the arrangement is rotated and the peripheral surface 54 of the inner part 45 are clamped in place and no coupling occurs when rotating in the reverse direction.
  • FIG. 3 represents a section of the arrangement according to FIG. 1 along the plane 111-111.
  • the outer part 52 of the freewheel 19 is provided with an extension 55 to enlarge the effective lever arm, which extends over part of the circumference of the outer part 52 and forms a concentrically running contact surface for a flexible steel band 56, which is provided as a traction means .
  • the traction means 56 wraps around the outer ring 60 of a rolling bearing at an angle of slightly more than 180 °, the inner ring of which is formed by an eccentric 61. This is attached to the shaft 62 of a hand lever 63.
  • the shaft 62 is mounted in the housing 68 of the low-voltage circuit breaker, which is shown schematically in part.
  • the two ends 64 and 65 also loop around another eccentric 66, which is fastened on a shaft 67.
  • the shaft 67 can be the shaft of a motor 70 or an intermediate gear connected downstream of the motor 70.
  • the outer ring 71 of a rolling bearing is in turn inserted between the traction means 56 and the eccentric 66.
  • a deflection device for the traction means 56 is arranged, which consists of a stationary bolt 72 and a further outer ring 73 of the roller bearing.
  • the two Ends 64 and 65 of the traction means 56 lie one above the other on the extension 55 of the outer part 52 and are firmly connected to the outer part 52 by means of a slotted clamping pin 74.
  • a projection 75 of the outer part 52 receiving the clamping pin 74 also contains an opening 76 for hanging in a tension spring 80, for the other end of which a pin 81 which is fixedly connected to the housing 68 is provided as an abutment.
  • the tension spring is expediently dimensioned such that the traction means 56 is tensioned tight and thus extends tangentially to the rolling rings 60, 71 and 73 and to the extension 55.
  • the traction means 56 is moved periodically by the amount of the eccentricity of the eccentric 66. This movement manifests itself in cooperation with the spring 80 in an alternating clockwise and counterclockwise pivoting of the outer part 52.
  • the traction means 56 acts because of the concentric shape of the extension 55 with a constant lever arm.
  • the pivoting of the outer part 52 clockwise causes the shaft 3 to also rotate clockwise by means of the pinch rollers 51.
  • the traction means 56 is supported on the eccentric 61 of the hand lever 63.
  • a gradual tensioning of the spring 33 (FIG. 4) can now be effected by means of the eccentric 61 via the hand lever 63, the eccentric 66 acting as an abutment and the rolling ring 71 thereon acting as a deflection roller.
  • the greatest possible tension of the spring 33 is reached when the eccentric bolt 32 is in the dead center position. If no special precautions are taken, the bolt 32 exceeds its dead center position, and the spring 33 relaxes with a corresponding rotation of the cam plate 4 to switch on the circuit breaker.
  • the drive device is a spring drive.
  • the drive device is to act as a storage drive, it is necessary to maintain the tensioned state of the spring 33 until a desired point in time.
  • it is customary to provide a releasable stop against which the bolt 32 lies when it has exceeded its dead center position by a small amount.
  • the representation and description of the parts belonging to such a device can be dispensed with in the present context, since these are generally known features.
  • the parts of a device which serve to prevent further transmission of the drive force to the shaft 3 after it has reached the end position when the spring 33 is tensioned are described below.
  • cage disks 83 are arranged on both sides of the outer part 52 and are provided on their inner circumference with recesses 84 which overlap the clamping rollers 51.
  • all the clamping rollers 51 can thus be pressed out of their division of labor at the same time, in which they establish a non-positive connection between the outer part 52 and the inner part 45.
  • the longer leg 88 of the release lever 87 facing away from the nose 86 is curved on its inner flank in order to achieve a smooth interaction with a roller 93 which is seated on the knee joint pin 94 of toggle levers 95 and 96.
  • the toggle lever 95 is articulated to the outer part 52, while the toggle lever 96 engages the cage washers 83. In the normal position of the release lever 87, the toggle levers 95 and 96 are buckled, the pinch rollers in the recesses 84 being freely movable and their function not being affected as a result.
  • the cam 85 now runs against the nose 86 of the release lever 87, it is pivoted clockwise around its bearing pin 90, the leg 88 of the release lever 87 acting on the roller 93 and bringing the toggle levers 95 and 96 into their extended position.
  • This is associated with a rotation of the cage washers 83 by an angle sufficient to take the pinch rollers 51 with them, whereby a flow of force from the outer part 52 to the inner part 45 is interrupted.
  • the traction means 56 is thus decoupled from the driving force, irrespective of whether this was initiated by the motor 70 or the hand lever 63.
  • the longer leg 88 of the release lever 87 is provided with a bend 89 so that the leg 88 can move past the traction means 56 and cooperate with the roller 93 which is centered with respect to the traction means.
  • a traction means is in principle also suitable for the operation of a directional ratchet that works with driving and pawls.
  • the advantage is already gained here that the length tolerances that occur with push rods or drive rods are eliminated.
  • the combination of the flexible traction device described above with a pinch roller freewheel has the special property that any dead gear is avoided and thus the lifting movement of the eccentrics 61 and 66 is completely converted into a pivoting of the outer part 52. Furthermore, there are no sudden stresses on all interacting parts, which is noticeable in a quieter gear of the drive device and an increased service life.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Transmission Devices (AREA)

Claims (7)

1. Dispositif de commande ou d'entraînement pour un disjoncteur, comportant un ressort (33), qui peut être armé par un bouton de manivelle (32) situé sur un arbre (3), au moyen d'un élément excentré (excentrique 66) susceptible d'être entraîné en rotation, par l'intermédiaire d'un organe de transmission et d'un couplage ou dispositif de verrouillage unidirectionnel (19) situé sur l'arbre (3), caractérisé en ce qu'un moyen de traction (56) flexible, lié au dispositif de verrouillage unidirectionnel, sert d'organe de transmission, et que, entre l'élément excentré (excentrique 66) et le dispositif de verrouillage unidirectionnel (19) , est disposé un second élément excentré (excentrique 61), situé sur l'arbre (62) d'un levier à main (63), et au moins partiellement entouré par le moyen de traction (56).
2. Dispositif de commande selon la revendication 1, caractérisé en ce que l'on dispose le moyen de traction (56) en l'entourant au moins partiellement autour de l'un des éléments excentrés (excentrique 61, 66) servant de contre-appui, et que les deux extrémités (64, 65) du moyen de traction (56) sont fixées sur la partie motrice (52) du dispositif de verrouillage unidirectionnel (19).
3. Dispositif de commande selon la revendication 1 ou 2, caractérisé en ce qu'il comporte un dispositif de renvoi supplémentaire (72, 73) du moyen de traction (56).
4. Dispositif de commande selon la revendication 3, caractérisé en ce que pour pouvoir charger le moyen de traction (56) avec une force d'entraînement, le dispositif de renvoi (72, 73) est agencé de façon à être déplaçable.
5. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que les éléments excentrés (excentrique 61, 66) et, le cas échéant, le dispositif de renvoi (72. 73). sont pourvus, en tant que support pour le moyen de traction (56), de la bague extérieure (71, 60, 73) d'un palier à roulement.
6. Dispositif de commande selon la revendication 1, caractérisé en ce qu'une tôle d'acier (56), en forme de bande, sert de moyen de traction, et en ce qu'il est prévu une force de rappel (ressort 80) qui charge la partie motrice (56) du dispositif de verrouillage unidirectionnel, dans le sens d'une tension exercée sur le moyen de traction (56).
7. Dispositif de commande selon la revendication 1, caractérisé en ce qu'une roue libre à galets de serrage (19) ou une roue libre à corps de serrage, sert de dispositif de verrouillage unidirectionnel, et que les galets de serrage (51), ou les corps de serrage peuvent être déplaçables, par au moins un organe de réglage (83, 87), et en fonction de la position finale de l'arbre (3), vers une position inactive.
EP85730108A 1984-09-03 1985-08-16 Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel Expired EP0174906B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843432696 DE3432696A1 (de) 1984-09-03 1984-09-03 Antriebsvorrichtung fuer einen leistungsschalter mit exzenter und richtgesperre
DE3432696 1984-09-03

Publications (2)

Publication Number Publication Date
EP0174906A1 EP0174906A1 (fr) 1986-03-19
EP0174906B1 true EP0174906B1 (fr) 1988-04-27

Family

ID=6244740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85730108A Expired EP0174906B1 (fr) 1984-09-03 1985-08-16 Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel

Country Status (4)

Country Link
US (1) US4655098A (fr)
EP (1) EP0174906B1 (fr)
JP (1) JPS6166321A (fr)
DE (2) DE3432696A1 (fr)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
DE3623247A1 (de) * 1986-07-10 1988-01-21 Sachsenwerk Ag Spannvorrichtung fuer die antriebsfeder eines energiespeichers fuer elektrische schalter
DE3627508C1 (de) * 1986-08-13 1987-10-22 Sachsenwerk Ag Spannvorrichtung fuer den Energiespeicher eines elektrischen Schalters
US5224590A (en) * 1991-11-06 1993-07-06 Westinghouse Electric Corp. Circuit interrupter having improved operating mechanism
US6316742B1 (en) * 1999-07-14 2001-11-13 Southern States, Inc. Limited restrike circuit interrupter used as a line capacitor and load switch
ATE414511T1 (de) * 2000-12-05 2008-12-15 Los Angeles Childrens Hospital Pharmazeutische zusammensetzungen von fenretinid mit erhöhter bioverfügbarkeit und verfahren zu deren verwendung
US7181987B2 (en) * 2003-05-02 2007-02-27 Peter Winston Hamady Precessional device and method
FR2931997A1 (fr) * 2008-05-30 2009-12-04 Areva T & D Ag Commande pour appareil electrique haute et moyenne tension a temps d'actionnement reduite.
DE102011078049B3 (de) * 2011-06-24 2012-11-15 Siemens Aktiengesellschaft Spannvorrichtung
CN106415961B (zh) 2014-01-21 2018-09-14 三菱电机株式会社 气体绝缘开关装置以及开关器
WO2018090305A1 (fr) * 2016-11-17 2018-05-24 赵水莲 Arbre de commande combiné disjoncteur

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Publication number Priority date Publication date Assignee Title
US3124996A (en) * 1964-03-17 Portable micro
US3124966A (en) * 1964-03-17 Motion transmitting means
FR756886A (fr) * 1932-02-10 1933-12-16 Système de transformation de mouvement permettant l'utilisation de toute force atmosphérique, hydraulique, naturelle, mécanique, humaine ou autre
US2080665A (en) * 1933-05-03 1937-05-18 Western Electric Co Power transmitting mechanism
FR1347857A (fr) * 1962-11-21 1964-01-04 Merlin Gerin Dispositif de commande à accumulation d'énergie, notamment pour disjoncteurs
DE1143896B (fr) * 1963-01-22 1963-02-21
DE6605397U (de) * 1964-12-19 1970-05-14 Sachsenwerk Licht & Kraft Ag Antriebsvorrichtung fuer elektrische leistungsschalter
US3340743A (en) * 1964-12-28 1967-09-12 Sterling O Stageberg Variable speed power transmission with flexible band and drive link
US3301984A (en) * 1965-03-02 1967-01-31 Ite Circuit Breaker Ltd Spring closed circuit breaker
US3729065A (en) * 1971-03-05 1973-04-24 Gen Electric Means for charging a stored energy circuit breaker closing device
SE412142B (sv) * 1975-04-25 1980-02-18 Reinhausen Maschf Scheubeck Kraftlagrande anordning for lastomkopplare for lindningskopplare for reglertransformatorer
US4146764A (en) * 1976-10-22 1979-03-27 Gould Inc. Circuit breaker ratchet and pawl spring charging system
DE2935368A1 (de) * 1979-09-01 1981-03-26 Karl 7950 Biberach Dolderer Tretvorrichtung

Also Published As

Publication number Publication date
US4655098A (en) 1987-04-07
EP0174906A1 (fr) 1986-03-19
JPH0319654B2 (fr) 1991-03-15
DE3432696A1 (de) 1986-03-13
DE3562433D1 (en) 1988-06-01
JPS6166321A (ja) 1986-04-05

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