DE659462C - Device for clamping the carbon brush in the brush holder of electrical machines - Google Patents

Device for clamping the carbon brush in the brush holder of electrical machines

Info

Publication number
DE659462C
DE659462C DEB175743D DEB0175743D DE659462C DE 659462 C DE659462 C DE 659462C DE B175743 D DEB175743 D DE B175743D DE B0175743 D DEB0175743 D DE B0175743D DE 659462 C DE659462 C DE 659462C
Authority
DE
Germany
Prior art keywords
clamping
brush
electrical machines
carbon brush
brush holder
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
DEB175743D
Other languages
German (de)
Inventor
Hugo Bungenberg
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.)
HUGO BUNGENBERG
Original Assignee
HUGO BUNGENBERG
Publication date
Priority to DEB175743D priority Critical patent/DE659462C/en
Application granted granted Critical
Publication of DE659462C publication Critical patent/DE659462C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00Rotary current collectors, distributors or interrupters
    • H01R39/02Details for dynamo electric machines
    • H01R39/38Brush holders
    • H01R39/39Brush holders wherein the brush is fixedly mounted in the holder

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Description

Die bekannten Vorrichtungen, zum Festklemmen von Kohlebürsten im Bürstenhalter elektrischer Maschinen, insbesondere diejenigen mit^ einem U-förmigen Gehäuse, haben folgende Nachteile: Ein um eine Achse drehbares Klemmstück hält die Kohlebürste nicht genügend fest. Wird .ein solches mit einer Klemmnase versehenes Klemmstück αμΓΰΊι ein als abgeschrägte Mutter ausgebildetes Widerlager betätigt, so kann sich, der Schraubenbolzen leicht verbiegen oder abbrechen und dadurch die Klemmwirkung verringern und sogar gänzlich, aufheben. Schließlich wird bei Benutzung eines durch Drehen einer Schraube *5 an einem feststehenden Widerlager gleitenden Klemmkeiles 'eine Maßdifferenz der einzielnen Teiie nicht ausgeglichen und somit aus diesem Grunde eine sichere Klemmwirkung nicht gewährleistet. The known devices for clamping of carbon brushes in the brush holder of electrical machines, especially those with ^ a U-shaped housing the following disadvantages: A clamping piece that can be rotated about an axis does not hold the carbon brush sufficiently firm. Will. One with a Clamping nose provided clamping piece αμΓΰΊι a actuated as a beveled nut designed abutment, the screw bolt can easily bend or break off and thereby reduce the clamping effect and even entirely, cancel. Finally, if you are using one, turn a screw * 5 on a fixed abutment sliding clamping wedge 'a difference in size between the individual Partly not balanced and therefore a secure clamping effect is not guaranteed for this reason.

Durch die Erfindung werden diese Nachteile behoben, d. h. die Kohlebürste wird auch bei Maßabweichungen der einzelnen Teile immer mit der vollen Druckfläche des Klemmkeiles festgespannt. Ein Verbiegen der Spannschraube tritt nicht ein, und die Herstellung ist billig.The invention overcomes these drawbacks; H. the carbon brush will too in the case of dimensional deviations of the individual parts, always with the full pressure surface of the clamping wedge clamped. A bending of the clamping screw does not occur, and the production is cheap.

In den Abb. 1 und 2 ist ein Ausführungs^ beispiel des Erfindungsgegenstandes dargestellt. Die Abb. 1 zeigt ihn in Seitenansicht, teilweise im Schnitt (längs der Symmetrieebene A-B gemäß Abb. 2) und Abb. 2 im Grundriß, teilweise im Schnitt längs der Ebene C-D in Abb. 1. Mittels einer Schraube a · wird 'ein Klemmkeil b an der Gleitfläche c eines Widerlagers d gleitend !entlang bewegt. Dieses Widerlager d wird an beiden, Seiten des Gehäuses e durch in dessen Inneres hineinragende Vorsprünge/ geschützt, die durchIn Figs. 1 and 2, an exemplary embodiment of the subject of the invention is shown. Fig. 1 shows it in side view, partly in section (along the plane of symmetry AB according to Fig. 2) and Fig. 2 in plan, partly in section along the plane CD in Fig. 1. By means of a screw a 'becomes a clamping wedge b slid along the sliding surface c of an abutment d! This abutment d is protected on both sides of the housing e by projections / protruding into the interior thereof, which are protected by

Eindrücken eines an drei Seiten eingeschnittenen kleinen Seitenwaiidstückchens gebildet 40 worden sind. Die links dargestellten Kanten der Vorsprünge/ sind gewölbt, und das U-förmig gebogene, von der Seite her auf diese geschobene Widerlager d legt sich mit seiner schrägen Wand g an die gewölbten Kanten 45 ■ an, wobei die obere und untere Wand des Widerlagers die beiden Vorsprünge / umgreifen. Eine in die untere Wand des Widerlagers d eingehakte Spannfeder h hält das Widerlager^ wippend bewegbar in der ge- 50 wünschten Lage. Zwecks Festspannens der Kohlebürste/ wird die Schraubet angezogen und der KlemrakeiLö dadurch nach oben bewegt. Jede Ungenauigkeit der Keilform des Klemmkeiles b und der gegenüberliegenden 55 Widerlagerfläche I für die Kohlebürste wird selbsttätig durch die wippend bewegbare Gleitfläche c des Widerlagers d ausgeglichen, so daß die Druckfläche k des Klemmkeiles b immer voll zur Anlage an die Kohlebürste/ 60 kommt.Impression of a small Seitenwaiidstückchens cut on three sides have been formed 40. The edges of the projections shown on the left / are curved, and the U-shaped bent abutment d pushed onto this from the side rests with its inclined wall g on the curved edges 45 ■, the upper and lower walls of the abutment two projections / embrace. A tension spring h hooked into the lower wall of the abutment d holds the abutment in the desired position in a rocking motion. In order to tighten the carbon brush / the screw is tightened and the KlemrakeiLö thereby moves upwards. Any inaccuracy in the wedge shape of the clamping wedge b and the opposite abutment surface I for the carbon brush is automatically compensated for by the rocking sliding surface c of the abutment d , so that the pressure surface k of the clamping wedge b always comes fully into contact with the carbon brush / 60.

Claims (1)

Patentanspruch:Claim: Vorrichtung zum Festklemmen der Kohlebürste im Bürstenhalter elektrischer Maschinen, insbesondere in einem Bürstanhalter mit U-förmigem Gehäuse, unter Verwendung eines durch Drehen leiner Schraube anzuziehenden Klemmkeiles, dadurch gekennzeichnet, daß das U-förmig gebogene Widerlager (d) des Klemmkeiles (£>) auf einer gewölbten Stütze (/), deren Wölbung es sich anpaßt und auf die es seitlich aufschiebbar ist, mittels einer Feder (/z) wippend bewegbar gehalten wird.Device for clamping the carbon brush in the brush holder of electrical machines, in particular in a brush holder with a U-shaped housing, using a clamping wedge to be tightened by turning a screw, characterized in that the U-shaped bent abutment (d) of the clamping wedge (£>) a curved support (/), the curvature of which it adapts and onto which it can be pushed laterally, is held in a rocking manner by means of a spring (/ z). Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEB175743D Device for clamping the carbon brush in the brush holder of electrical machines Expired DE659462C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB175743D DE659462C (en) Device for clamping the carbon brush in the brush holder of electrical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB175743D DE659462C (en) Device for clamping the carbon brush in the brush holder of electrical machines

Publications (1)

Publication Number Publication Date
DE659462C true DE659462C (en) 1938-05-04

Family

ID=7007785

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB175743D Expired DE659462C (en) Device for clamping the carbon brush in the brush holder of electrical machines

Country Status (1)

Country Link
DE (1) DE659462C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755399A (en) * 1952-01-07 1956-07-17 Emerson Electric Mfg Co Brush holder mechanism
DE1216420B (en) * 1962-06-16 1966-05-12 Ducellieret Cie Brush holders for electrical machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755399A (en) * 1952-01-07 1956-07-17 Emerson Electric Mfg Co Brush holder mechanism
DE1216420B (en) * 1962-06-16 1966-05-12 Ducellieret Cie Brush holders for electrical machines

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