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DE420407C - Device for fastening pole bodies to rotors of electrical machines by means of claw-like fastening means that can be pushed into round, semi-closed longitudinal grooves of the rotor body - Google Patents

Device for fastening pole bodies to rotors of electrical machines by means of claw-like fastening means that can be pushed into round, semi-closed longitudinal grooves of the rotor body

Info

Publication number
DE420407C
DE420407C DEM84140D DEM0084140D DE420407C DE 420407 C DE420407 C DE 420407C DE M84140 D DEM84140 D DE M84140D DE M0084140 D DEM0084140 D DE M0084140D DE 420407 C DE420407 C DE 420407C
Authority
DE
Germany
Prior art keywords
fastening
round
rotor body
claw
rotors
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
DEM84140D
Other languages
German (de)
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle 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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Application granted granted Critical
Publication of DE420407C publication Critical patent/DE420407C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Description

Einrichtung zur Befestigung von Polkörpern an Rotoren elektrischer lWaschinen mittels klauenartiger, in runde, halbgeschlossene Längsnuten des Rotorkörpers einschiebbarer Befestigungsmittel. Es ist unter anderen eine Einrichtung zur Befestigung von. Polkörpern an Rotoren elektrischer Maschinen bekannt, bei welcher die Polkerne klauenartige Befestigungsmittel aufweisen (vgl. Abb. t). Eine solche Befestigungsvorrichtung besitzt in werkstattechnischer wie auch in festigkeitlicher Hinsicht erhebliche Nachteile. Die Schlitze und Sitze der Klauen t (Abb. t) im Rntorkörper müssen gehobelt oder gefräst werden. Diese Konstruktion bedingt gerade in den starkbeanspruchten Teilen mehr oder weniger scharfe Ecken, in (denen ;verschieden-- Beanspruchungsarten ineinander übergehen. Solche Ecken beeinflussen die Festigkeit in sehr ungünstigem Sinne, indem sie zu erheblichen Randspannungen führen.Device for attaching pole bodies to rotors electrical l Machines by means of claw-like, in round, semi-closed longitudinal grooves of the rotor body retractable fasteners. It is, among other things, a device for fastening from. Pole bodies known on rotors of electrical machines, in which the pole cores Have claw-like fastening means (see Fig. t). Such a fastening device possesses considerable in terms of both workshop technology and strength Disadvantage. The slots and seats of the claws t (Fig. T) in the door body must be planed or be milled. This construction is necessary especially in the heavily used Share more or less sharp corners in (which; different - types of stress merge. Such corners affect the strength in a very unfavorable way Senses by leading to considerable marginal tension.

Es ist bekannt, diese Nachteile durch Verwendung runder Befestigungsmittel zu vermeiden und dabei die Nuten. von den Keilen nur zum Teil ausfüllen zu lassen. Nach der vorliegenden Erfindung wird der restliche Raum der runden Nut durch zylinderausschnittförmige Zwischenkeile ausgefüllt, welche die Befestigungsmittel unterstützen. Dadurch wird ein besseres Anziehen des Polkörpers an den Rotor als mit den vorbekannten Einrichtungen. dieser Art ermöglicht, und zudem werden bequemer herzustellende Befestigungsmittel und Paßflächen erzielt.It is known to overcome these disadvantages by using round fasteners avoid doing the grooves. from the wedges only partially fill out allow. According to the present invention, the remaining space becomes the round groove filled with cylindrical cut-out wedges, which the fastening means support. This is a better attraction of the pole body to the rotor than with the previously known facilities. this type enables, and also becomes more convenient achieved fastening means and mating surfaces to be produced.

Die Abb.2 zeigt ein Ausführungsbeispiel des Erfindungsgegenstandes.Fig.2 shows an embodiment of the subject of the invention.

Der Polkern 2, der in bekannter Weise massiv oder aus einzelnen Blechstücken zusammengesetzt oder auch mit eingesetzter, lamellierter Polfläche versehen sein kann, weist in Richtung seiner Längsachse sich erstreckende, klauenförrnige Ansätze 3 auf, die sich in runde, halbgeschlossene Längsnuten des Rotorkörpers q. von dessen Stirnseite her einschieben lassen, wobei die Lücken durch zylinderausschnittförmige, eingepaßte Keile 5 ausgefüllt werden. Letztere können mit Anzug versehen sein, der gestattet, die Polkerne nach innen zu pressen. Zur Vergrößerung der Pressung können zwischen den Sitzflächen der Polkerne und der Außenfläche des Rotorkörpers noch Zusatzkeile 6 (punktiert angedeutet) angebracht werden.. Der Rotorkörper kann ;massiv sein ioder in bekannter Weise aus einem oder mehreren distanzierten Ringen, bestehen, die auf einen Armstern aufgepreßt sind; diese Ringe können auch aus Blechscheiben zusammengesetzt ?und in diesem Falle z. B. mit Keilen auf den. Stern aufgesetzt sein.The pole core 2, which is solid in a known manner or from individual pieces of sheet metal be composed or provided with inserted, laminated pole face can, has in the direction of its longitudinal axis extending, claw-shaped approaches 3, which are in round, semi-closed longitudinal grooves of the rotor body q. of that Push in the front side, whereby the gaps are defined by cylindrical cut-out, fitted wedges 5 are filled in. The latter can be provided with a suit allowed to press the pole cores inwards. To increase the pressure you can between the seating surfaces of the pole cores and the outer surface of the rotor body Additional wedges 6 (indicated by dotted lines) can be attached .. The rotor body can be; solid its i or consist in a known manner of one or more distanced rings, which are pressed onto an arm star; these rings can also be made from sheet metal disks composed? and in this case e.g. B. with wedges on the. Star put on be.

Wie ersichtlich ist, bedingt diese Befestigungsart der Polkerne insbesondere im Rotorkörper, keine scharfen Ecken, wodurch die Festigkeit der Verbindungsteile vergrößert ist. Die Klauensitze im Rotorkörper können ausgebohrt, ausgedreht oder ausgestanzt werden.As can be seen, this type of fastening requires the pole cores in particular in the rotor body, no sharp corners, increasing the strength of the connecting parts is enlarged. The claw seats in the rotor body can be drilled out, turned out or be punched out.

Claims (1)

PATENTANSPRUCH: Einrichtung zur Befestigung von. Polkörpern gn Rotoren elektrischer Maschinen mittels klauenartiger, in runde, halbgeschlossrene Längsnuten des Rotorkörpers einschiebbarer Befestigungsmitiel, die die runden Muten des Rotorkörpers nur teilweise ausfüllen, dadurch gekennzeichnet, daß der restliche Raum durch zylinderausschnittförmige Zwischenkeile ausgefüllt wird, die die Befestigungsmittel unterstützen. PATENT CLAIM: Device for fastening. Pole bodies gn rotors of electrical machines by means of claw-like fastening means which can be pushed into round, semi-closed longitudinal grooves of the rotor body and which only partially fill the round grooves of the rotor body, characterized in that the remaining space is filled by intermediate wedges in the form of cylindrical cutouts, which support the fastening means.
DEM84140D 1924-02-15 1924-03-04 Device for fastening pole bodies to rotors of electrical machines by means of claw-like fastening means that can be pushed into round, semi-closed longitudinal grooves of the rotor body Expired DE420407C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH420407X 1924-02-15

Publications (1)

Publication Number Publication Date
DE420407C true DE420407C (en) 1925-10-26

Family

ID=4514684

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM84140D Expired DE420407C (en) 1924-02-15 1924-03-04 Device for fastening pole bodies to rotors of electrical machines by means of claw-like fastening means that can be pushed into round, semi-closed longitudinal grooves of the rotor body

Country Status (1)

Country Link
DE (1) DE420407C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050246924A1 (en) * 2003-08-04 2005-11-10 Eshrat Masoodifar Conditioning shoe and method of use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050246924A1 (en) * 2003-08-04 2005-11-10 Eshrat Masoodifar Conditioning shoe and method of use

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