EP2663986B1 - Kraftspeicher - Google Patents

Kraftspeicher Download PDF

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Publication number
EP2663986B1
EP2663986B1 EP11805424.6A EP11805424A EP2663986B1 EP 2663986 B1 EP2663986 B1 EP 2663986B1 EP 11805424 A EP11805424 A EP 11805424A EP 2663986 B1 EP2663986 B1 EP 2663986B1
Authority
EP
European Patent Office
Prior art keywords
drive
energy store
pawl
output shaft
spring
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.)
Active
Application number
EP11805424.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2663986A1 (de
Inventor
Christian Böger
Toni Hottner
Martin Jatta
Philipp Lederer
Sebastian Rehkopf
Klaus Schlepp
Rolf Strempel
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.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
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 Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP2663986A1 publication Critical patent/EP2663986A1/de
Application granted granted Critical
Publication of EP2663986B1 publication Critical patent/EP2663986B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • 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
    • H01H3/3042—Power arrangements internal to the switch for operating the driving mechanism using spring motor using a torsion spring

Definitions

  • the invention relates to a power storage, in particular a power storage for tap changers to tapped transformers.
  • Tap changers are used for uninterrupted switching between winding taps of a tapped transformer. So that this switching to avoid arcing can be done as quickly as possible, power storage have long been common. They usually consist of an extension slide, which is continuously wound by a drive shaft, wherein one or more springs are tensioned, and a stripping section, which is triggered after full lift and performs a sudden movement in which clamp the previously tensioned power storage springs again. This sudden movement of the output part is used for fast load switching.
  • the DE-OS 19 56 369 shows such a known power storage.
  • a disadvantage is the necessary conversion of the rotational movement of the drive shaft in a longitudinal movement of the elevator carriage and the longitudinal movement of the driven part back into a rotational movement of the output shaft.
  • this known energy accumulator uses, as an exemplary embodiment, a locking slide on an output part which is connected to a fixed locking ring interacts.
  • a disadvantage of this known power storage is first of all the required Maltese drive.
  • the known power storage has a complicated mechanical structure, in particular, in addition to the mentioned Maltese drive, also because of the coaxial mounted double-armed clamping lever and the two opposing springs.
  • the object of the invention is therefore to provide an energy accumulator of the type mentioned, which is simple and with a minimum of individual parts the efficient conversion of a continuous rotational movement of the drive shaft in a fast rotational movement of an output shaft after its release by a defined rotation angle.
  • the invention is based on the general inventive idea to provide a leg spring as a force storage spring and to arrange these concentrically around the drive shaft and output shaft around.
  • a leg spring unlike a tension or compression spring, not stretched by movement in its longitudinal direction, but by radial rotation.
  • stretched by a drive this leg spring in a simple manner, without additional Maltese drive, stretched by a drive this leg spring, at the same time, after the elevator of the leg spring, by this drive and the latching a previously solved in a known detent ring a driven part.
  • the mentioned drive wheel thus serves both for clamping and for triggering the force accumulator.
  • the force storage device allows a direct drive of the drive shaft, z. B. by a step or geared motor, making a separate Maltese transmission is superfluous.
  • the force accumulator according to the invention also allows in a simple manner a clamping and triggering in both (rotational) directions.
  • FIGURE shows a force storage device according to the invention in a schematic perspective view, for reasons of clarity not to explain the function required components of a tap changer, which is part of the energy storage, are omitted.
  • the figure shows a drive shaft 1, which can be connected to a motor drive shaft, not shown, for example by means of a groove shown 2.
  • the actual drive unit of the energy storage device according to the invention consists of a fixedly connected to the drive shaft 1 drive wheel 3.
  • the drive wheel 3 has a stop. 4 with two-sided abutments, of which only one is visible in the drawing, for receiving a force storage spring, which will be explained later in detail.
  • the actual output unit of the force accumulator consists of a force storage carrier 5, which is firmly connected to an output shaft 6.
  • Drive shaft 1 of the drive unit and output shaft 6 of the output unit are mounted coaxially and independently rotatable.
  • a fixed detent ring 7 is provided which is screwed by means of screw 8 with a tap changer head, not shown, or a comparable component of the tap changer.
  • the detent ring 7 has radial detents 9, 10, 11 whose angular distance from each other of the pitch of the tap changer, d. H. the number of possible switching positions n, n + 1, n + 2, ... corresponds. For the sake of clarity, not all detents are provided with reference numerals in the figure.
  • a lateral bearing block 12 On the force storage carrier 5, which is part of the output unit, a lateral bearing block 12 is provided which has a bearing 13 in which a pawl 14 is movably mounted. The free, front end of the pawl 14 koi-respondiert with the notches 9 ... 11 of the locking ring 7. On its other side, the pawl 14 by a in the figure only hinted pawl spring 15 in the rest position down, ie in one of the respective Snap 9 ... 11 pressed.
  • a leg spring 16 is provided, which is shown in the figure, only one stop end 17, respectively on one side of an only indicated stop 5a of the force storage carrier 5 and in addition of the stop 4 of the drive wheel 3 with its two free stop ends supported.
  • the leg spring 16 constitutes the mechanical coupling between the drive wheel 3 and the force storage carrier 5. It is independently fixed at its free ends by a stop 4 of the drive wheel 3 (part of the drive unit) and a stop 5a of the force storage carrier 5 (part of the output unit) , In the stationary state are the both stops 4 and 5a each vertically above each other. Finally, the drive wheel 3 on its side facing away from the stop 4 on two ramps 18 and 19, which are arranged symmetrically and with the locking ring 7 facing away from the end of the pawl 14 correspond.
  • the mode of action of the force accumulator according to the invention is the following:
  • the leg spring 16 is characterized in that their respective stop end 17 is taken from the stop 4 of the drive wheel 3 and thus released from the fixation on the force storage carrier 5, while their other stop end is fixed by the stop of the force storage carrier on the other side and the movement can not follow , curious; excited. Shortly before the full tensioning moves depending on the direction of rotation one of the ramps 18 and 19 of the drive wheel 3 toward the pawl 14. Due to the horizontal oblique contour of the ramps 18, 19 push the pawl 14 against the force of the pawl spring 15 from the corresponding notch. 9 ...

Landscapes

  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Transmission Devices (AREA)
  • Braking Arrangements (AREA)
EP11805424.6A 2011-01-15 2011-12-24 Kraftspeicher Active EP2663986B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011008688A DE102011008688B3 (de) 2011-01-15 2011-01-15 Kraftspeicher
PCT/EP2011/006565 WO2012095153A1 (de) 2011-01-15 2011-12-24 Kraftspeicher

Publications (2)

Publication Number Publication Date
EP2663986A1 EP2663986A1 (de) 2013-11-20
EP2663986B1 true EP2663986B1 (de) 2015-02-25

Family

ID=45443741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11805424.6A Active EP2663986B1 (de) 2011-01-15 2011-12-24 Kraftspeicher

Country Status (8)

Country Link
EP (1) EP2663986B1 (xx)
CN (1) CN103329230B (xx)
BR (1) BR112013016124B1 (xx)
DE (1) DE102011008688B3 (xx)
ES (1) ES2537401T3 (xx)
HK (1) HK1189706A1 (xx)
UA (1) UA109801C2 (xx)
WO (1) WO2012095153A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107900A1 (de) * 2012-08-28 2014-03-06 Maschinenfabrik Reinhausen Gmbh Kraftspeicher für einen Laststufenschalter
DE102012109174A1 (de) * 2012-09-27 2014-03-27 Maschinenfabrik Reinhausen Gmbh Laststufenschalter mit Vorwähler
CN106887356B (zh) * 2015-12-16 2019-08-13 Asco电力技术公司 用于电源开关的传动装置及包括该传动装置的电源开关
CN106024443B (zh) * 2016-06-16 2018-05-22 上海华明电力设备制造有限公司 一种应用在组合式有载分接开关中的快速机构
CN106783261B (zh) * 2017-02-07 2019-03-19 河南森源电气股份有限公司 一种负荷开关及其手动操作装置
CN107387341B (zh) * 2017-07-31 2023-07-28 西南交通大学 涡卷弹簧式重力势能回收装置
DE102017216804B4 (de) * 2017-09-22 2020-11-05 Siemens Aktiengesellschaft Spanngetriebe zum Spannen einer Speicherfeder eines Federspeicherantriebs
CN113113244B (zh) * 2021-03-01 2023-11-10 北京航天控制仪器研究所 一种用于有载分接开关的串联式蓄能器以及有载分接开关

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR992592A (fr) * 1944-07-12 1951-10-19 Merlin Gerin Mécanisme à ressort pour la commande des interrupteurs
DE1887788U (xx) * 1963-12-06 1964-02-20
DE1956369B2 (de) * 1969-11-08 1971-10-21 Kraftspeicher fuer lastumschalter von stufenschaltern fuer regeltransformatoren
DE2250260C3 (de) * 1972-10-13 1975-10-23 Maschinenfabrik Reinhausen Gebrueder Scheubeck Kg, 8400 Regensburg Kraftspeicherantrieb für Lastumschalter und Lastwähler
DE10050932C1 (de) * 2000-10-13 2002-06-13 Reinhausen Maschf Scheubeck Kraftspeicher für einen Stufenschalter

Also Published As

Publication number Publication date
BR112013016124A2 (pt) 2018-06-05
CN103329230A (zh) 2013-09-25
UA109801C2 (xx) 2015-10-12
BR112013016124B1 (pt) 2020-12-15
WO2012095153A1 (de) 2012-07-19
DE102011008688B3 (de) 2012-01-26
EP2663986A1 (de) 2013-11-20
ES2537401T3 (es) 2015-06-08
CN103329230B (zh) 2016-03-30
HK1189706A1 (en) 2014-06-13

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