EP1753096B1 - Führungsschienenanordnung für die elektrische Stromversorgungsanordnung mit bewegbarer Stromsteckdose - Google Patents

Führungsschienenanordnung für die elektrische Stromversorgungsanordnung mit bewegbarer Stromsteckdose Download PDF

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Publication number
EP1753096B1
EP1753096B1 EP20060360035 EP06360035A EP1753096B1 EP 1753096 B1 EP1753096 B1 EP 1753096B1 EP 20060360035 EP20060360035 EP 20060360035 EP 06360035 A EP06360035 A EP 06360035A EP 1753096 B1 EP1753096 B1 EP 1753096B1
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EP
European Patent Office
Prior art keywords
connection
rigid rails
rails
clamping
section
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.)
Not-in-force
Application number
EP20060360035
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English (en)
French (fr)
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EP1753096A2 (de
EP1753096A3 (de
Inventor
Claude Arnold
Christophe Simler
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.)
Constructions Electriques Fels SA
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Constructions Electriques Fels SA
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Publication date
Application filed by Constructions Electriques Fels SA filed Critical Constructions Electriques Fels SA
Publication of EP1753096A2 publication Critical patent/EP1753096A2/de
Publication of EP1753096A3 publication Critical patent/EP1753096A3/de
Application granted granted Critical
Publication of EP1753096B1 publication Critical patent/EP1753096B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/145—Details, e.g. end pieces or joints
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
    • H01R25/161—Details
    • H01R25/162—Electrical connections between or with rails or bus-bars

Definitions

  • the present invention relates to the field of power supply of mobile mechanisms such as cranes, cranes, gantries or other movable equipment, guided or not, requiring electrification by means of contact lines consisting of rigid rails and sliding electrical contacts, and relates to a set of such rails for such devices.
  • Rigid rail power supply assemblies for mobile machines are generally in the form of H-section aluminum or copper sections covered with an insulating sheath of thermoplastic material.
  • the rails constituting such an assembly are manufactured in the form of elements of a few meters in length allowing easy handling and transport.
  • each rail is supported at regular intervals by suspension parts and several sets of rails can be juxtaposed to form multipolar assemblies, namely, conventionally, four or five poles, no limitation however being imposed.
  • the rails of the same assembly, and therefore of the same pole, are connected together at their ends by a conductive connecting piece and the junction thus produced is isolated by means of a joint cover. Thanks to such an end-to-end connection, it is possible to produce power lines several hundred meters long, a connection piece that can be used for electrical connection purposes and thus constituting a feed box, the ends a set of rails being isolated, in known manner, by a closure cap.
  • the face intended for shunting the current by sliding contact is provided with a stainless steel track which cooperates with a metallo-graphitic brush forming an integral part of a current collector, mechanically secured to a mobile machine to supply electric power and which is electrically connected to said collector.
  • the constituent sections of these rails are open-sectioned sections with a roughly H-shaped section and having faces planar outer surfaces, the free ends of these profiles being each provided with a rim facing inwardly of each section thus defined.
  • the longitudinal connection between such rails is achieved by means of connection pieces in the manner of a clamp on the edges and the ends of the wings which are sandwiched.
  • the contact surfaces must be cleared prior to the connection, by brushing, of the layer of insulating alumina, which forms naturally on these surfaces, which must then be covered with contact grease .
  • these contact surfaces are narrow and, because of their arrangement, their inner face being turned towards the inside of the sections of the profile, are difficult to access, so that brushing and greasing in good conditions and good quality are almost impossible. In addition, these brushing and greasing work are long to implement.
  • connection pieces are also necessary to ensure a maintenance between the rails under expansion stresses.
  • connection made of an elastic sheet in which the mechanical and electrical contact is only made by cooperation of concave and convex surfaces, the contact force is provided by the elasticity of the branches and the bridge of the connection.
  • the effort that the connection is able to develop to maintain the alignment of the rail sections in case of bending, twisting or pulling is relatively low, since the connection must be elastic enough to be pushed on top rails and engage in the manner of a snap.
  • the pinch forces of the connection being weak, they are insufficient to cause the deformations of the surfaces intended to favor large contact surfaces.
  • the present invention is defined by claims 1 and 4 and is intended to overcome the disadvantages of rigid rails existing to date by proposing a set of rigid rails for power supply devices by mobile power socket allowing, on the one hand , to ensure a perfect electrical connection, as well as a good mechanical connection, while being of a lighter construction.
  • the set of rigid rails for power supply devices by mobile power socket which essentially consists of rigid rails in the form of sections of copper or aluminum H-section cross section covered with an insulating sheath in thermoplastic material, one face of the profiles possibly being provided with a stainless steel track serving as a sliding contact face, and with conductive connection pieces, the junction thus formed being insulated by means of a joint cover, has rigid rails having two curved shaped lateral connection surfaces, which may extend over part or all of the height of the sidewalls of the profiles and symmetrical with respect to the longitudinal axis of the rigid rails, as well as connection pieces having an inner section corresponding to that of the curved shaped lateral connection surfaces of the rigid rails and are acune in the form of two interlocking elements one on the other and each having a wing curved correspondingly to that of the curved shape of the lateral connection surfaces of the rigid rails, wing whose thickness decreases from the area intended for the clamping up to the free end of the wing and
  • FIG. 1 of the accompanying drawings shows a set of rigid rails for power supply devices by mobile power socket, which essentially consists of rigid rails 1 in the form of H-section aluminum sections covered with an insulating sheath of thermoplastic material (Not shown), the lower section being provided, at the web of the profile, a stainless steel track 2 serving as a sliding contact face, and by conductive connecting pieces 3, the junction thus formed being isolated through a joint cover, not shown.
  • insulating sheaths and other elements commonly used with such assemblies being deliberately suppressed.
  • the rigid rails 1 have two curved shaped lateral connection surfaces 4, symmetrical with respect to the longitudinal axis of the rigid rails 1, and the connecting pieces 3 have an internal section corresponding to that of the lateral surfaces. of curved connection 4 of the rigid rails 1.
  • Such an embodiment of the curved shaped lateral connection surfaces 4 makes it possible to obtain large easily accessible electrical connection surfaces for their brushing in order to eliminate the alumina film and for easy application of contact grease.
  • the connecting pieces 3 are provided with an internal lateral stop means 5 for the flanges of the flanges of the section of the H-profile having the lateral surfaces of the This internal stop means 5 opposes the deformation of the flanges of the section of the H-section under the pressure exerted by the connecting piece 3 and thus mitigates a possible insufficiency of stiffness of the said elements. wings.
  • each connecting piece 3 is advantageously in the form of two elements 3 'and 3 "nestable one on the other and each having a wing curved correspondingly to that of the curved shape of the lateral connection surfaces 4 rails 1, these elements 3 'and 3 "being interconnected by clamping by means of screws 6 passing through the interlocking portions of the two elements 3' and 3" and cooperating with threads provided on the internal means 5 of lateral abutment for the edges of the flanges of the section of the H profile having the curved shaped connection side surfaces 4.
  • connection piece 3 After placing a connection piece 3 on the corresponding ends put end to end of two rigid rails 1, with introduction between the curved shaped lateral connection surfaces 4 of these rails 1 of the internal lateral stop means 5 and arrangement of the curved blanks of the two elements 3 'and 3 "s on the side surfaces of curved shape connection 4 of the wings of said rails 1, by clamping the two elements 3 'and 3 "one on the other by means of the screws 6 cooperating with the internal means 5, to apply force the curved blanks of the elements 3 'and 3 "against the curved shaped lateral connection surfaces 4 of the rigid rails 1, these curved shaped lateral connection surfaces 4 being held against deformation under the clamping pressure via the means internal stop 5.
  • each connecting piece 3 ensures a perfect alignment of two rigid rails 1 consecutive, both in the horizontal direction and in the vertical direction, the curved shapes of the parts in contact having a natural tendency to achieve vertical alignment and cooperation of the connecting piece 3 with the ends ensuring the longitudinal alignment.
  • each connection piece 3 each have a curved wing, whose thickness decreases from the zone intended for tightening up to the free end of the wing and whose inner radius of curvature is slightly smaller than the outer radius of curvature of the curved shape of the lateral connection surfaces 4 of the rigid rails 1.
  • the wings of said connecting piece are slightly deformed under the effect of the tightening and fully embrace , by their internal face, the external surface of the curved shaped lateral connection surfaces 4 of said rigid rails 1, the deformation and the bringing into contact progressively taking place during the clamping of the connection piece 3.
  • the electrical and mechanical connection is optimally ensured and, as a result, the connecting pieces 3 can be made relatively short while allowing a large contact area. As a result, the current density on the contact faces as well as the electrical resistance are reduced. As a corollary the joint covers and the corresponding power boxes can also be reduced in length.
  • connection pieces 3 represents another embodiment of the connection pieces 3, in which each is constituted by two symmetrical elements 31 each having a correspondingly curved wing to that of the curved shape of the lateral connection surfaces 4 of the rails 1 and each provided, at the end of the flange opposite to that cooperating with the rail 1 of a clamping portion 32, the clamping portions 32 of two symmetrical elements 31 being assembled together by means of clamping bolts 33 passing through said portions 32 perpendicular to the longitudinal axis of the connecting pieces 3.
  • connection pieces 3 is particularly advantageous, because there is no risk of interference with the upper wall of said profile for the assembly means, the latter being clamped in a plane parallel to the plane of this upper wall.
  • connection piece 3 can be completed by one or more spacers 34 to be inserted between the edges of the corresponding walls of the profiles, in front of the inner walls of the curved flanges of the symmetrical elements 31.
  • spacers may be independent of the symmetrical elements 31 and be put in place before mounting the connection pieces 3 thus constituted.
  • each connecting piece 3 may advantageously be provided, at its two ends, on the inner face of at least one wing, at least one lug 7 intended to cooperate with a recess 7 'of corresponding shape provided for in FIG. each end of at least one curved shaped lateral connection surface 4 of each rail 1.
  • the recesses 7 ' are preferentially arranged alternately on the ends of the curved shape connecting side surfaces 4 of each rail 1 and the lugs 7 are also alternately arranged on the connecting piece 3, namely, each element 3 'and 3 "constituting the connecting piece 3 is provided with a lug 7, said lugs being provided at the opposite ends of the connecting piece 3.
  • Such lugs 7, cooperating with recesses 7 ', make it possible to provide a complementary mechanical connection between the ends of the rigid rails 1 and the connection piece 3 preventing any relative movement between said rails and the connecting piece 3, in the position of service.
  • Such an embodiment is particularly advantageous because it ensures in a certain manner the assembly of the assembly even in case of large expansions, the axial tensile stresses being entirely transferred from one rigid rail 1 to the other by connecting parts 3.
  • the rails 1 may have different wall thicknesses while maintaining the same shape and size in their end areas for connection, so that only one type of connection piece can be used for different rail model.
  • connection pieces unlike the similar current capacity connection pieces used to date, so that the insulating parts of the joint cover and feed box can also be shorter and therefore lower cost.

Landscapes

  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Installation Of Bus-Bars (AREA)

Claims (7)

  1. Starre Schienenanordnung für elektrische Stromversorgungseinrichtungen über einen beweglichen Stromabnehmer, die im Wesentlichen durch starre Schienen (1) in Form von Kupfer- oder Aluminium-Profilen mit einem H-förmigen Querschnitt, die mit einer Isolierhülle aus thermoplastischem Material abgedeckt sind, wobei eine Fläche der Profile gegebenenfalls mit einer als Kontakt-Gleitfläche dienenden Bahn aus Edelstahl (2) versehen ist, sowie durch leitende Verbindungsstücke (3) gebildet ist, wobei die so gebildete Verbindung über eine Verbindungsabdeckung isoliert ist, wobei die starren Schienen (1) zwei seitliche Verbindungsflächen mit gerundeter Form (4) aufweisen, die sich über einen Teil der oder die gesamte Höhe der Seitenflächen der Profile erstrecken kann und symmetrisch bezüglich der Längsachse der starren Schienen (1) angeordnet sind, wobei die Verbindungsstücke (3) einen inneren Querschnitt aufweisen, der dem der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) entspricht, dadurch gekennzeichnet, dass die Verbindungsstücke (3) jeweils die Form von zwei Elementen (3', 3") aufweisen, die ineinander einsteckbar sind und die jeweils Flügel aufweisen, die in einer den seitlichen Verbindungsflächen der mit gerundeter Form (4) der starren Schienen (1) entsprechenden Form gerundet sind, wobei sich die Dicke der Flügel ausgehend von der zum Klemmen bestimmten Zone bis zum freien Ende des Flügels verringert und der innere Krümmungsradius der Flügel etwas geringer als der äußere Krümmungsradius der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) ist, wobei die Elemente (3', 3") miteinander durch Klemmen mit Hilfe einer Schraube (6) verbunden sind, die die ineinander steckbaren Teile der zwei Elemente (3', 3") verbindet, wobei die Flügel des Verbindungsstückes sich leicht unter der Wirkung der Klemmung verformen und sich vollständig über ihre Innenfläche an die Außenfläche der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) anschmiegen, wobei die Verformung und das in Kontakt bringen fortschreitend während der Klemmung des Verbindungsstückes (3) erfolgt.
  2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindungsstücke (3) mit einer innenliegenden Einrichtung (5) für einen seitlichen Anschlag für die Kanten der Flügel des Abschnittes des H-förmigen Profils versehen sind, der die seitlichen Verbindungsflächen (4) mit gerundeter Form der starren Schienen (1) aufweist.
  3. Anordnung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die Schraube (6), die die ineinander steckbaren Teile der zwei Elemente (3', 3") durchquert, mit Gewinden zusammenwirkt, die auf der innenliegenden Einrichtung (5) für einen seitlichen Anschlag der Kanten der Flügel des Abschnittes des H-förmigen Profils vorgesehen sind, der die seitlichen Verbindungsflächen mit gerundeter Form (4) aufweist.
  4. Starre Schienenanordnung für elektrische Stromversorgungseinrichtungen über einen beweglichen Stromabnehmer, die im Wesentlichen durch starre Schienen (1) in Form von Kupfer- oder Aluminium-Profilen mit einem H-förmigen Querschnitt, die mit einer Isolierhülle aus thermoplastischem Material abgedeckt sind, wobei eine Fläche der Profile gegebenenfalls mit einer als Kontakt-Gleitfläche dienenden Bahn aus Edelstahl (2) versehen ist, sowie durch leitende Verbindungsstücke (3) gebildet ist, wobei die so gebildete Verbindung über eine Verbindungsabdeckung isoliert ist, wobei die starren Schienen (1) zwei seitliche Verbindungsflächen mit gerundeter Form (4) aufweisen, die sich über einen Teil der oder die gesamte Höhe der Seitenflächen der Profile erstrecken kann und symmetrisch bezüglich der Längsachse der starren Schienen (1) angeordnet sind, wobei die Verbindungsstücke (3) einen inneren Querschnitt aufweisen, der dem der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) entspricht, dadurch gekennzeichnet, dass jedes Verbindungsstück (3) durch zwei symmetrische Elemente (31) gebildet ist, die jeweils einen Flügel aufweisen, der in einer Weise gerundet ist, die der der seitlichen Verbindungsflächen mit gerundeter Form (4) der Schienen (1) entspricht, und die an dem dem mit der Schiene (1) zusammenwirkenden Ende des Flügels entgegengesetzten Ende mit einem Klemmteil (32) versehen sind, wobei die Klemmteile (32) der zwei symmetrischen Elemente (31) miteinander durch Klemmbolzen (33) zusammengebaut sind, die die Teile (32) unter einem rechten Winkel zur Längsachse der Verbindungsstücke (3) durchqueren, wobei jeder gerundete Flügel eine Dicke aufweist, die sich von der für die Klemmung bestimmten Zone zum freien Ende des Flügels hin verringert, und der innere Krümmungsradius jedes Flügels geringfügig kleiner als der äußere Krümmungsradius der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) ist, wobei sich die Flügel des Verbindungsstückes (3) unter der Wirkung der Klemmung leicht verformen und sich vollständig über ihre Innenfläche an die Außenfläche der seitlichen Verbindungsflächen mit gerundeter Form (4) der starren Schienen (1) anschmiegen, wobei die Verformung und das in Kontakt bringen fortschreitend während des Klemmens des Verbindungsstückes (3) erfolgt.
  5. Anordnung nach Anspruch 4, dadurch gekennzeichnet, dass das Verbindungsstück (3) durch ein oder mehrere Abstandsstücke (34) vervollständigt sind, die zur Einfügung zwischen die Kanten der entsprechenden Wände der Profile gegenüberliegend zu den Innenwänden der gerundeten Flügel der symmetrischen Elemente (31) bestimmt sind.
  6. Anordnung nach einem der Ansprüche 1 oder 4, dadurch gekennzeichnet, dass jedes Verbindungsstück (3) an seinen beiden Enden auf der Innenfläche von zumindest einem Flügel mit zumindest einem Zapfen (7) versehen ist, der zum Zusammenwirken mit einer Ausnehmung (7') mit entsprechender Form bestimmt ist, die an jedem Ende von zumindest einer seitlichen Verbindungsfläche mit gerundeter Form (4) jeder Schiene (1) vorgesehen ist.
  7. Anordnung nach Anspruch 6, dadurch gekennzeichnet, dass die Ausnehmungen (7') in abwechselnder Weise auf den Enden der seitlichen Verbindungsflächen mit gerundeter Form (4) jeder Schiene (1) angeordnet sind, und dass die Zapfen (7) in gleicher Weise in abwechselnder Weise auf dem Verbindungsstück (3) angeordnet sind, das heißt, dass jedes Element (3', 3"), das das Verbindungsstück (3) bildet, mit einem Zapfen (7) versehen ist, wobei diese Zapfen auf entgegengesetzten Enden des Verbindungsstückes (3) vorgesehen sind.
EP20060360035 2005-08-11 2006-08-04 Führungsschienenanordnung für die elektrische Stromversorgungsanordnung mit bewegbarer Stromsteckdose Not-in-force EP1753096B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0508521A FR2889773B1 (fr) 2005-08-11 2005-08-11 Ensemble de rails rigides pour dispositifs d'alimentation electrique par prise mobile de courant

Publications (3)

Publication Number Publication Date
EP1753096A2 EP1753096A2 (de) 2007-02-14
EP1753096A3 EP1753096A3 (de) 2008-03-26
EP1753096B1 true EP1753096B1 (de) 2012-11-28

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EP20060360035 Not-in-force EP1753096B1 (de) 2005-08-11 2006-08-04 Führungsschienenanordnung für die elektrische Stromversorgungsanordnung mit bewegbarer Stromsteckdose

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FR (1) FR2889773B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101282018B (zh) * 2008-05-30 2010-06-23 昆山百亨光电科技有限公司 电源线分路转接装置
CN101450435B (zh) * 2008-12-20 2011-08-10 奇瑞汽车股份有限公司 一种滑轨连接机构及其连接方法
DE102009048673A1 (de) * 2009-09-29 2011-03-31 Siemens Aktiengesellschaft Spanneinheit und Verbindungseinrichtung für Stromschienen mit einer derartigen Spanneinheit
DE102012106985A1 (de) 2012-07-31 2014-02-20 Paul Vahle Gmbh & Co. Kg Verbinder für Stromschienen
DE102013100435A1 (de) 2013-01-16 2014-07-17 Conductix-Wampfler Gmbh Verbindungselement für eine Schleifleitung, Schleifleitung und Verfahren zur Herstellung einer Schleifleitung
CN108288787B (zh) * 2018-03-29 2023-11-03 江南大学 一种插座式轨道取电装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826880A (en) * 1973-05-25 1974-07-30 Us Safety Trolley Corp Electric power transmission system
DE2739480C2 (de) * 1977-09-01 1984-12-13 Wampfler Gmbh, 7858 Weil Stromleitschiene
DE4141799C2 (de) * 1991-12-18 1999-04-22 Vahle Paul Kg Stromschienenverbinder
DE19755513C2 (de) * 1997-12-13 1999-10-14 Fahrleitungsbau Gmbh Dehnverbinder für aufeinanderfolgende Stromschienen einer Schleifleitung
DE19807792C2 (de) * 1998-02-19 2000-01-27 Mannesmann Ag Verbinder für zwei aufeinanderfolgende Schleifleitungsteilstücke
JPWO2003023920A1 (ja) * 2001-09-05 2004-12-24 三菱電機株式会社 導体の接続構造

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Publication number Publication date
FR2889773B1 (fr) 2009-03-20
FR2889773A1 (fr) 2007-02-16
EP1753096A2 (de) 2007-02-14
EP1753096A3 (de) 2008-03-26

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