WO2012175382A1 - Dispositif tendeur - Google Patents

Dispositif tendeur Download PDF

Info

Publication number
WO2012175382A1
WO2012175382A1 PCT/EP2012/061180 EP2012061180W WO2012175382A1 WO 2012175382 A1 WO2012175382 A1 WO 2012175382A1 EP 2012061180 W EP2012061180 W EP 2012061180W WO 2012175382 A1 WO2012175382 A1 WO 2012175382A1
Authority
WO
WIPO (PCT)
Prior art keywords
twistable
crankshaft
closing spring
spring
force
Prior art date
Application number
PCT/EP2012/061180
Other languages
German (de)
English (en)
Inventor
Thomas Glaffek
Philipp Last
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2012175382A1 publication Critical patent/WO2012175382A1/fr

Links

Classifications

    • 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
    • H01H3/3005—Charging means
    • 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

Definitions

  • the invention relates to a clamping device for a closing spring of a circuit breaker with a force introduction element and a transmission for transmitting theIchlei ⁇ teten force on a drive shaft of a Feder acknowledgedantrie ⁇ bes the circuit breaker.
  • Such a tensioning device for a closing spring of a circuit breaker is known from the state of the art.
  • This commonly known tensioning device acts on a crankshaft as a drive shaft to which the switch ⁇ spring is rotatably mounted eccentrically with one end, wherein the closing spring is attached to a second end, for example, to a housing of the circuit breaker, and has a force introduction element for introducing a force means a transmission to the crankshaft in order to bring the Einschaltfe ⁇ the from an untensioned state in a tensioned state under supply of energy, so that by means of the tensioned closing a switch-on of the circuit breaker is executable.
  • a gear for example, gear or Kettengetrie ⁇ be used in the known from the state of the art clamping devices, which are expensive and expensive.
  • the object of the invention is to form a clamping device of the type mentioned, which has a simple and inexpensive construction. This object is achieved according to the invention in a Spannvor ⁇ direction of the type mentioned in that the transmission has a twistable rope bundle.
  • a gearbox with a twistable rope bundle has a simple and therefore inexpensive construction compared to known gear or chain drives, because instead of gears or chains and transmission elements only a twistable rope bundle is provided, which in the Twisting by the force introduced by the force introduction element undergoes a shortening or change in length, which is applicable for exerting a force and thus for rotating the drive shaft and for tensioning the closing spring of the circuit breaker in a simple manner.
  • a transmission with a twistable rope bundle is particularly flexi ⁇ bel, because by simple change, for example, the number of ropes of the twistable rope bundle or the thickness of the individual ropes of the twistable rope bundle in an easy way to adapt to changing requirements with respect to the forces to be clamped the closing spring is possible.
  • the twistable cable bundle introduction member with its first end on the motor ⁇ and secured with its second end to a with ⁇ means of a freewheel mechanism with the crankshaft oppel ⁇ th grooved disc with a circumferential groove for guiding the twistable cable bundle.
  • one end of a return spring is further coupled to the grooved disk.
  • a return spring By means of such a return spring, turning back of the grooved disk into its initial state with a non-twisted rope bundle is possible in a simple manner for preparing a further switching operation.
  • a latch mechanism is provided for latching the drive shaft in the tensioned state of the switch-on. Such a latch mechanism provides a simple and cost-effective way to latch the closing spring in a tensioned state.
  • the force introduction element is a motor
  • the crankshaft has a switch-off means for switching off the engine with the tensioning switch-on spring tensioned.
  • a motor in ⁇ game as an electric motor, a Kraftein effetsele ⁇ ment is formed which a switching off is ⁇ play, disengageable realized in the form of a provided on the crankshaft No- ckens or the like, so that after completion of the clamping operation of the closing spring Turning the engine is easily and inexpensively prevented.
  • Figure 1 is a schematic representation of the inventive ⁇ Shen tensioning device
  • Figure 2 is a schematic representation of the invention shown SEN tensioning device of Figure 1 in a second state; and Figure 3 is a three-dimensional view of the clamping device according to Inventive ⁇ .
  • Figure 1 shows a clamping device 1 for a closing spring 2 of a power switch not shown in detail with a drive shaft 3 in the form of Kurbelwel ⁇ le, where the closing spring 2 is rotatably mounted eccentrically at a suspension point 4, wherein the closing spring 2 at a second Suspension point 5 with its second end local fixed but rotatable, for example, is attached to a housing of figür ⁇ Lich not shown circuit breaker.
  • the crankshaft 3 is rotatably mounted about the pivot point 6 and coupled to a grooved disk 7 by means of a freewheeling mechanism (not shown in FIG.
  • the driving direction of the freewheel mechanism is Darge ⁇ is set, ie, in rotation in the direction of arrow 8 of the grooved disc 7, the crankshaft 3 with the grooved disc 7 ⁇ moves, and upon rotation of the grooved disc 7 against the arrow 8, the crankshaft 3 not turned with ⁇ .
  • the grooved disc 7 has a circumferentially running groove 9, in which a twistable rope bundle 10 inserted ⁇ and is guided therein, which is formed of a plurality of individual ropes, the twistable rope bundle 10 at its first end 11 at a force introduction ⁇ element 12 is attached in the form of an electric motor and is secured with its second end 13 to the grooved disc 7.
  • a return spring 15 is attached to a further bearing 16 of the circuit breaker with its first end and secured with its second end to an attachment point 17 of the grooved disc 7.
  • crankshaft 3 is further connected to a coupling mechanism, not shown figuratively, for carrying out the switching movement of the power switch likewise not shown in the figure.
  • the closing spring 2 is in an almost relaxed state. If the closing spring 2 is now to be further stretched, so the force introduction element 12 is caused to execute a rotational ⁇ motion by a corresponding control command of a control unit of the power scarf ⁇ ters, whereby the twistable cable bundle 10, a twist of the individual ropes of the twistable rope experiences bundle 10 and a change in length of the twistable cable bundle 10 takes place, so that a train ⁇ force on the attachment of the second end 13 of the twistable rope bundle 10 is effected by the twisting of the twistable rope bundle 10 and the change in length, which for rotating the
  • Figure 3 shows a three-dimensional schematic view of the clamping device 1 with the circumferentially arranged groove 9 of the grooved disc 7 and a arranged on the crankshaft 3 driver 18 of the open-air mechanism.
  • Figurative not Darge ⁇ provides a locking cam which switching spring 2 cooperates in the tensioned state of the inputs not illustrated figuratively in figure 3 with a ratchet mechanism 19 for INTERLOCKS ⁇ development of the crankshaft 3, wherein the Klinkenmecha ⁇ mechanism 19 by figuratively not shown triggering means for Triggering a switching operation by means of the tensioned closing spring 2 is detachably formed.
  • a switch-off button 20 as a turn-off to turn off the
  • Force introduction element 12 can be seen, which in Errei ⁇ chen the position of the crankshaft 3 shown in the figure 2 and tensioned closing spring 2 for switching off the

Landscapes

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

Abstract

L'invention vise à concevoir un dispositif tendeur (1) pour un ressort d'enclenchement (2) d'un sectionneur de puissance, doté d'un élément d'application de force (12) et d'un mécanisme de transmission destiné à transmettre la force appliquée à un arbre d'entraînement (3) d'un mécanisme à accumulateur du sectionneur de puissance, de sorte que ledit dispositif tendeur soit de construction simple et économique. A cet effet, selon l'invention, le mécanisme de transmission comprend un faisceau de câbles pouvant être toronnés (10).
PCT/EP2012/061180 2011-06-24 2012-06-13 Dispositif tendeur WO2012175382A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011078049.1 2011-06-24
DE201110078049 DE102011078049B3 (de) 2011-06-24 2011-06-24 Spannvorrichtung

Publications (1)

Publication Number Publication Date
WO2012175382A1 true WO2012175382A1 (fr) 2012-12-27

Family

ID=46458448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/061180 WO2012175382A1 (fr) 2011-06-24 2012-06-13 Dispositif tendeur

Country Status (2)

Country Link
DE (1) DE102011078049B3 (fr)
WO (1) WO2012175382A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017218863A1 (de) * 2017-10-23 2019-04-25 Siemens Aktiengesellschaft Antriebsvorrichtung für einen elektrischen Schalter und Verwendung der Antriebsvorrichtung zum Schalten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202878B (de) * 1962-11-23 1965-10-14 Licentia Gmbh Druckluftantriebs- und -steuereinrichtung fuer Seiltrennschalter
FR2480993A1 (fr) * 1980-04-17 1981-10-23 Telemecanique Electrique Dispositif de verrouillage entre deux appareils electriques eloignes et installation le mettant en oeuvre
EP0174906A1 (fr) * 1984-09-03 1986-03-19 Siemens Aktiengesellschaft Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel
DE3623247A1 (de) * 1986-07-10 1988-01-21 Sachsenwerk Ag Spannvorrichtung fuer die antriebsfeder eines energiespeichers fuer elektrische schalter
EP0881652A1 (fr) * 1997-05-26 1998-12-02 GEC Alsthom T&D AG Mécanisme d'entrainement à ressort pour un appareil de commutation, en particulier un disjoncteur
DE102004021455A1 (de) * 2003-05-16 2004-12-30 Siemens Ag Niederspannungs-Leistungsschalter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE612510C (de) * 1932-04-15 1935-04-26 Siemens Schuckertwerke Akt Ges Antriebsvorrichtung fuer elektrische Schalter, insbesondere Expansionsschalter
US4843921A (en) * 1988-04-18 1989-07-04 Kremer Stephen R Twisted cord actuator
US5280258A (en) * 1992-05-22 1994-01-18 Siemens Energy & Automation, Inc. Spring-powered operator for a power circuit breaker
DE19503679C1 (de) * 1995-01-30 1996-06-27 Holec Syst & Componenten Aufzugsvorrichtung zum Spannen der Einschaltfeder von Antriebseinrichtungen für elektrische Leistungsschalter, insbesondere Vakuum-Leistungsschalter
DE202010011541U1 (de) * 2010-08-18 2011-11-23 BROSE SCHLIEßSYSTEME GMBH & CO. KG Antriebsanordnung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202878B (de) * 1962-11-23 1965-10-14 Licentia Gmbh Druckluftantriebs- und -steuereinrichtung fuer Seiltrennschalter
FR2480993A1 (fr) * 1980-04-17 1981-10-23 Telemecanique Electrique Dispositif de verrouillage entre deux appareils electriques eloignes et installation le mettant en oeuvre
EP0174906A1 (fr) * 1984-09-03 1986-03-19 Siemens Aktiengesellschaft Dispositif de commande pour disjoncteur avec excentrique et couplage unidirectionnel
DE3623247A1 (de) * 1986-07-10 1988-01-21 Sachsenwerk Ag Spannvorrichtung fuer die antriebsfeder eines energiespeichers fuer elektrische schalter
EP0881652A1 (fr) * 1997-05-26 1998-12-02 GEC Alsthom T&D AG Mécanisme d'entrainement à ressort pour un appareil de commutation, en particulier un disjoncteur
DE102004021455A1 (de) * 2003-05-16 2004-12-30 Siemens Ag Niederspannungs-Leistungsschalter

Also Published As

Publication number Publication date
DE102011078049B3 (de) 2012-11-15

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