EP0455039B1 - Entraînement pivotant, en particulier pour appareils de commutation - Google Patents

Entraînement pivotant, en particulier pour appareils de commutation Download PDF

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Publication number
EP0455039B1
EP0455039B1 EP91106015A EP91106015A EP0455039B1 EP 0455039 B1 EP0455039 B1 EP 0455039B1 EP 91106015 A EP91106015 A EP 91106015A EP 91106015 A EP91106015 A EP 91106015A EP 0455039 B1 EP0455039 B1 EP 0455039B1
Authority
EP
European Patent Office
Prior art keywords
spindle nut
rocker
guide
driver pin
spindle
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 - Lifetime
Application number
EP91106015A
Other languages
German (de)
English (en)
Other versions
EP0455039A1 (fr
Inventor
Heinz Szygulla
Wilfried Dipl.-Ing. Schmidt
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.)
Ruhrtal Elektrizitatsgesellschaft Hartig GmbH and Co
Original Assignee
Ruhrtal Elektrizitatsgesellschaft Hartig GmbH and Co
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 Ruhrtal Elektrizitatsgesellschaft Hartig GmbH and Co filed Critical Ruhrtal Elektrizitatsgesellschaft Hartig GmbH and Co
Publication of EP0455039A1 publication Critical patent/EP0455039A1/fr
Application granted granted Critical
Publication of EP0455039B1 publication Critical patent/EP0455039B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms
    • 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
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H01H2003/405—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing using a walking nut
    • 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
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H3/264—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor using a travelling nut mechanism

Definitions

  • the invention relates to a swivel drive, in particular for switching devices, with a gear spindle, a spindle nut running on the gear spindle, at least one rocker arm and an output shaft connected in a rotationally fixed manner to the rocker arm, the spindle nut having at least one driver pin and the rocker arm having a link guide, the driver pin of the spindle nut engages in the link guide of the rocker and a translational movement of the spindle nut caused by the gear spindle is converted into a rotational movement of the output shaft by means of the driver pin and the rocker.
  • Rotary actuators of the type described above in terms of their basic structure are widely known and are used primarily to actuate switching devices, in particular high-voltage switching devices (see e.g. CH-A-479 155). With such part-turn actuators, the gear spindle can be operated by hand. As a rule, however, a drive motor is provided, the output shaft of which acts on the gear spindle of the swivel drive.
  • a rotational movement of the output shaft of approximately 180 ° is often required by the associated switching device, namely when the off position and the on position are opposite one another, that is to say offset from one another by 180 °.
  • a rotational movement of the output shaft of more than 180 ° is necessary if it is to be ensured that only the swivel drive can actuate the switching device, that is to say, other forces acting on the switching device do not lead to actuation of the switching device.
  • the invention is therefore based on the object of designing and developing the swivel drive from which the invention is based so that its output shaft can easily perform a rotational movement of 180 ° or more than 180 °.
  • the swivel drive according to the invention in which the previously derived and shown object is achieved, is now initially and essentially characterized in that the link guide of the rocker consists of two guide parts, that the spindle nut has a deflecting element and the rocker has a deflecting element assigned to the deflecting element of the spindle nut and that the driver pin of the spindle nut is passed through the interaction of the deflecting element of the spindle nut with the deflecting element of the rocker after passing through the first guide part of the link guide of the rocker in the second guide part of the link guide.
  • the teaching of the invention is based initially on the knowledge that a swivel drive of the type in question allows only a rotational movement of the output shaft that is less than 180 °.
  • the first step according to the invention to a swivel drive of the type in question, the output shaft of which can execute a rotational movement of more than 180 ° now consists in assembling the link guide of the rocker from two guide parts, each guide part of the link guide then being able to be designed in this way without further ado that the output shaft each performs a rotational movement of more than 90 °, for. B. from 100 °, from 110 ° or also from 120 °.
  • the two guide parts of the link guide together then allow a rotational movement of the output shaft of much more than 180 °, z. B. from 200 °, from 220 ° or also from 240 °.
  • link guide of the rocker consists of two guide parts in the manner described above in a swivel drive of the type in question, this would initially easily lead to the fact that it is not ensured that the driving pin of the spindle nut after passing through the first guide part in the second guide part of the scenery guide is performed.
  • the spindle nut has a deflecting element and the rocker arm has a deflecting element assigned to the deflecting element of the spindle nut and that the driving pin of the spindle nut after passing through the first guide part of the link guide of the rocker arm through the interaction of the deflecting element of the spindle nut with the deflecting element of the rocker arm is guided into the second part of the stage guide.
  • the deflecting elements provided according to the invention therefore result in the driver pin of the spindle nut not coming to a dead center after passing through the first guide part of the link guide of the rocker or not moving back in the first guide part of the link guide of the rocker as the translational movement of the spindle nut progresses.
  • the two guide parts of the link guide of the rocker can be mirror-symmetrical and / or the deflecting element of the spindle nut can have a cardiac-shaped deflecting contour.
  • Rotary actuators of the type from which the invention is based are often additionally provided with a position indicator mechanism having a switch body.
  • position reports of the associated switching device are realized, e.g. B. Position indicator contacts operated.
  • position reports for the off position and for the on position are required.
  • the invention consequently also relates to a rotary drive for switching devices, with a gear spindle, a spindle nut running on the gear spindle, at least one rocker arm, an output shaft connected to the rocker arm in a rotationally fixed manner, and a position indicator mechanism having a switch body.
  • This swivel drive in which the invention explained above is preferably implemented, is characterized according to a further teaching of the invention in that the link guide of the rocker has a leading area and / or a trailing area in which the driving pin of the spindle nut run without pivoting the rocker can that the switch body of the position indicator mechanism has a link guide, that the link guide of the switch body of the position indicator mechanism has a swivel range assigned to the leading area and / or the trailing area of the link guide of the rocker, and that the driver pin of the spindle nut also engages in the link guide of the switch body of the position indicator mechanism.
  • the pivoting areas of the link guide of the switching body of the position-reporting mechanism are preferably connected by a neutral area in which the driver pin of the spindle nut can run without pivoting the switching body.
  • a first preferred embodiment of the swivel drive according to the invention with a position reporting mechanism is additionally characterized in that the switching body is designed as a pivotable switching plate. It is advisable to make the driver pin of the spindle nut flat at its end engaging in the link guide of the switching body of the position indicator mechanism. Furthermore, the embodiment with a switching body designed as a pivotable switching plate can be characterized in that the switching body has at least partially an external toothing, the external toothing meshes with a gearwheel and position signaling contacts can be actuated with the aid of a position signaling shaft connected in a rotationally fixed manner to the gearwheel.
  • the shift body is designed as a shift drum rotatable about the longitudinal axis, the longitudinal axis of the shift body preferably running parallel to the longitudinal axis of the gear spindle.
  • the driver pin of the spindle nut is preferably circular in shape at its end which engages in the link guide of the switching body of the position-reporting mechanism.
  • the swivel drive shown only schematically in Figs. 1 and 2 is intended for switching devices, not shown, in particular high-voltage switching devices and consists in its basic structure of a gear spindle 1, a spindle nut 2 running on the gear spindle 1, at least one rocker arm 3 and one with the rocker arm 3 non-rotatably connected output shaft 4.
  • the swivel drive shown in FIGS. 1 and 2 also includes a drive motor, not shown, whose output shaft acts on the gear spindle 1 of the swivel drive.
  • the spindle nut 2 has at least one driver pin 5 and the rocker 3 have a link guide 6, that the driver pin 5 of the spindle nut 2 engages in the link guide 6 of the rocker 3 and that one the gear spindle 1 translational movement of the spindle nut 2 is converted into a rotational movement of the output shaft 4 by means of the driving pin 5 and the rocker 3.
  • FIG. 1 shows an embodiment of a swivel drive in which only one rocker 3 is provided.
  • FIG. 2 shows an embodiment of a swivel drive, in which - two symmetrical to the gear spindle 1 and the spindle nut 2 - two rockers 3 are provided.
  • Such an embodiment with two rocker arms 3 is more advantageous than an embodiment with only one rocker arm 3, because in the embodiment with two rocker arms 3 two driver pins 5 of the spindle nut 2 engage in a link guide 6 each with a rocker arm 3.
  • guide surfaces 7 assigned to the driving pins 5 of the spindle nut 2 are indicated in FIGS. 1 and 2.
  • the link guide 6 of the rocker arm 3 consists of two guide parts 6 a and 6 b, the spindle nut 2 has a deflecting element 8 and the rocker arm 3 has a deflecting element 9 associated with the deflecting element 8 of the spindle nut 2, and becomes the driving pin 5 of the spindle nut 2 after it has passed through the first guide part 6 a of the link guide 6 of the rocker arm 3 by the interaction of the deflecting element 8 of the spindle nut 2 with the deflecting element 9 of the rocker arm 3 in the second guide part 6 b of the link guide 6.
  • the two guide parts 6 a and 6 b of the link guide 6 of the rocker arm 3 are mirror-symmetrical. It is only indicated that the deflecting element 8 of the spindle nut 2 has a cardiac-shaped deflecting contour 10.
  • the rotary actuator shown in FIG. 1 is additionally provided with a position reporting mechanism 12 having a switch body 11. 1 shows only the switch body 11 of the position-reporting mechanism 12; further details of the position-reporting mechanism 12 are shown in FIGS. 5 and 6.
  • position reporting mechanism 12 position reports of the switching device assigned to the rotary actuator and not shown in the figures are implemented, for. B. Position indicator contacts operated. In particular, position reports for the off position and the on position are required.
  • the swivel drive according to the invention shown in Fig. 1 is also characterized in addition to the measures described so far in that the link guide 6 of the rocker 3, a lead area 6 c and a lag area 6 d has, in which the driving pin 5 of the spindle nut 2 can run without pivoting the rocker 3, that the switching body 11 of the position reporting mechanism 12 has a link guide 13, that the link guide 13 of the switching body 11 of the position reporting mechanism 12 the leading area 6 c and the trailing area 6 d of the link guide 6 of the rocker 3 has associated pivoting areas 13 a and 13 b and that the driver pin 5 of the spindle nut 2 also engages in the link guide 13 of the switching body 11 of the position-reporting mechanism 12.
  • the pivot areas 13 a and 13 b of the link guide 13 of the switch body 11 of the position indicator mechanism 12 are connected by a neutral area 13 c, in which the driving pin 5 of the spindle nut 2 can run without pivoting the switch body 11.
  • FIG. 5 now shows an exemplary embodiment in which the switching body 11 is designed as a pivotable switching plate.
  • the driver pin 5 of the spindle nut 2 is designed flat at its end 14 which engages in the link guide 13 of the switch body 11 of the position-reporting mechanism 12.
  • the switch body 11 partially has an external toothing 15, the external toothing 15 meshes with a gear 16 and can be actuated with the help of a position signaling shaft 17, not shown, connected to the gear 16 in a rotationally fixed manner.
  • FIG. 6 shows an exemplary embodiment of a position-reporting mechanism 12 belonging to a swivel drive according to the invention, initially as a result is characterized in that the shift body 11 is designed as a shift drum rotatable about the longitudinal axis, the longitudinal axis of the shift body 11 running parallel to the longitudinal axis of the gear spindle 1.
  • the driver pin 5 of the spindle nut 2 is circular in shape at its end 14 which engages in the link guide 13 of the switching body 11 of the position-reporting mechanism 12.

Landscapes

  • Transmission Devices (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switches With Compound Operations (AREA)

Claims (11)

  1. Entraînement pivotant, en particulier pour appareils de commutation, comportant une broche (1) de transmission, un écrou (2) de broche se déplaçant sur la broche de transmission, au moins une bielle oscillante (3) et un arbre de sortie (4) relié à la bielle oscillante de manière à résister à la torsion, dans lequel l'écrou de broche présente au moins un tourillon entraîneur et la bielle oscillante un guide-coulisse (6), le tourillon entraîneur (5) de l'écrou de broche s'engageant dans le guide-coulisse de la bielle oscillante et un mouvement de translation de l'écrou de broche activé par la broche de transmission est converti en un mouvement de rotation de l'arbre de sortie à l'aide du tourillon entraîneur et de la bielle oscillante, caractérisé en ce que le guide-coulisse (6) de la bielle oscillante (3) est constitué de deux parties de guidage (6a, 6b), en ce que l'écrou (2) de broche présente un élément de renvoi (8) et la bielle oscillante (3) un élément de renvoi (9) affecté à l'élément de renvoi (8) de l'écrou (2) de broche et en ce que le tourillon entraîneur (5) de l'écrou (2) de broche, après avoir parcouru la première partie de guidage (6a) du guide-coulisse (6) de la bielle oscillante (3), est guidé dans la deuxième partie de guidage (6b) du guide-coulisse (6) par coopération de l'élément de renvoi (8) de l'écrou (2) de broche avec l'élément de renvoi (9) de la bielle oscillante (3).
  2. Entraînement pivotant selon la revendication 1, caractérisé en ce que les deux parties de guidage (6a, 6b) du guide-coulisse (6) de la bielle oscillante (3) sont réalisés de manière à présenter une symétrie de miroir.
  3. Entraînement pivotant selon la revendication 1 ou 2, caractérisé en ce que l'élément de renvoi (8) de l'écrou (2) de broche présente un contour de renvoi (10) en forme de pointe de coeur.
  4. Entraînement pivotant selon l'une quelconque des revendications 1 à 3, comportant une mécanique indicatrice de position présentant un corps de commutation (12), caractérisé en ce que le guide-coulisse (6) de la bielle oscillante (3) présente une plage avant (6c) et/ou une plage arrière (6d), dans lesquelles le tourillon entraîneur (5) de l'écrou (2) de broche peut circuler sans pivotement de la bielle oscillante (3), en ce que le corps de commutation (11) de la mécanique indicatrice de position (12) présente un guide-coulisse (13), en ce que le guide-coulisse (13) du corps de commutation (11) de la mécanique indicatrice de position (12) présente des plages de pivotement (13a, 13b) affectées à la plage avant (6c) et/ou à la plage arrière (6d) du guide-coulisse (6) de la bielle oscillante (3), et en ce que le tourillon entraîneur (5) de l'écrou (2) de broche s'engrène également dans le guide-coulisse (13) du corps de commutation (11) de la mécanique indicatrice de position (12).
  5. Entraînement pivotant selon la revendication 4, caractérisé en ce que les plages de pivotement (13a, 13b) du guide-coulisse (13) du corps de commutation (11) de la mécanique indicatrice de position (12) sont reliées par une plage neutre (13c) dans laquelle le tourillon entraîneur (5) de l'écrou (2) de broche peut circuler sans pivotement du corps de commutation (11).
  6. Entraînement pivotant selon la revendication 4 ou 5, caractérisé en ce que le corps de commutation (11) se présente sous la forme d'une tôle de commutation.
  7. Entraînement pivotant selon la revendication 6, caractérisé en ce que le tourillon entraîneur (5) de l'écrou (2) de broche se présente sous une forme plate à son extrémité (14) s'engageant dans le guide-coulisse (13) du corps de commutation (11) de la mécanique indicatrice de position (12).
  8. Entraînement pivotant selon la revendication 6 ou 7, caractérisé en ce que le corps de commutation (11) présente au moins partiellement une denture externe (15), en ce que la denture externe (15) s'engrène sur une roue dentée (16) et en ce que des contacts indicateurs de position peuvent être commandés à l'aide d'un arbre indicateur de position (17) relié à la roue dentée (16) de manière à résister à la rotation.
  9. Entraînement pivotant selon la revendication 4 ou 5, caractérisé en ce que le corps de commutation (11) se présente sous la forme d'un cylindre de commutation qui peut tourner autour de l'axe longitudinal.
  10. Entraînement pivotant selon la revendication 9, caractérisé en ce que l'axe longitudinal du corps de commutation (11) est parallèle à l'axe longitudinal de la broche de transmission (1).
  11. Entraînement pivotant selon la revendication 9 ou 10, caractérisé en ce que le tourillon entraîneur (5) de l'écrou (2) de broche se présente sous une forme circulaire à son extrémité (14) s'engageant dans le guide-coulisse (13) du corps de commutation (11) de la mécanique indicatrice de position (12).
EP91106015A 1990-05-02 1991-04-16 Entraînement pivotant, en particulier pour appareils de commutation Expired - Lifetime EP0455039B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4014150A DE4014150C2 (de) 1990-05-02 1990-05-02 Schwenkantrieb, insbesondere für Schaltgeräte
DE4014150 1990-05-02

Publications (2)

Publication Number Publication Date
EP0455039A1 EP0455039A1 (fr) 1991-11-06
EP0455039B1 true EP0455039B1 (fr) 1996-01-10

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Application Number Title Priority Date Filing Date
EP91106015A Expired - Lifetime EP0455039B1 (fr) 1990-05-02 1991-04-16 Entraînement pivotant, en particulier pour appareils de commutation

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EP (1) EP0455039B1 (fr)
AT (1) ATE133002T1 (fr)
DE (2) DE4014150C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205334C1 (de) * 2002-02-06 2003-11-13 Siemens Ag Elektrische Schaltanordnung mit einem ersten Schaltkontakt und mit einem zweiten Schaltkondakt
FR2902572B1 (fr) * 2006-06-14 2014-05-23 Valeo Electronique Sys Liaison Interrupteur a chemin de came comportant une rampe
FR2923099B1 (fr) * 2007-10-29 2009-12-11 Areva T & D Ag Actionneur electromecanique muni d'un frein mecanique de type a ressort a spires enroule
FR2923074B1 (fr) 2007-10-29 2009-12-11 Areva T & D Ag Actionneur electromecanique et sectionneur haute ou moyenne tension muni d'un tel actionneur
CN101414514B (zh) * 2008-11-24 2011-11-30 纪元电气集团有限公司 户内高压电动接地开关

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE191132C (fr) * 1905-03-27
AT248526B (de) * 1964-05-27 1966-08-10 Siemens Ag Vorrichtung zur Stellungsmeldung für Trennschalter
DE1690093B1 (de) * 1967-11-24 1971-10-14 Siemens Ag Motorantrieb fuer elektrische schalter mit einer auf einer spindel laufenden wandermutter
DE3913080A1 (de) * 1989-04-21 1990-10-25 Asea Brown Boveri Spindelantrieb

Also Published As

Publication number Publication date
DE59107223D1 (de) 1996-02-22
ATE133002T1 (de) 1996-01-15
EP0455039A1 (fr) 1991-11-06
DE4014150A1 (de) 1991-11-14
DE4014150C2 (de) 1994-09-29

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