EP0579123A1 - Palier de roue d'un véhicule ferroviaire mis à la terre - Google Patents

Palier de roue d'un véhicule ferroviaire mis à la terre Download PDF

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Publication number
EP0579123A1
EP0579123A1 EP93110973A EP93110973A EP0579123A1 EP 0579123 A1 EP0579123 A1 EP 0579123A1 EP 93110973 A EP93110973 A EP 93110973A EP 93110973 A EP93110973 A EP 93110973A EP 0579123 A1 EP0579123 A1 EP 0579123A1
Authority
EP
European Patent Office
Prior art keywords
bearing
contact
wheel
earthing
earthed
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.)
Withdrawn
Application number
EP93110973A
Other languages
German (de)
English (en)
Inventor
Otto Braun
Rolf Dr. Schraut
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.)
Duewag AG
Original Assignee
Duewag 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 Duewag AG filed Critical Duewag AG
Publication of EP0579123A1 publication Critical patent/EP0579123A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F15/00—Axle-boxes
    • B61F15/20—Details
    • B61F15/28—Axle-boxes modified to ensure electrical conductivity

Definitions

  • the invention relates to a grounded wheel bearing of a rail vehicle, in which a wheel shaft held in a bearing is electrically conductively connected to the frame accommodating the bearing via a ground contact, the ground contact consisting essentially of a contact disk rotating with the wheel shaft and a contact body arranged within a bearing cover consists.
  • the circuit is closed by the feedback via bogie or chassis frame, wheel shaft, wheel and rail.
  • the critical point is the wheel bearing, which is usually designed as a roller bearing and in which even low electrical loads cause damage to the surface.
  • grounding contacts are used to conduct the electrical current, which establish the connection between the wheel shaft and the frame of the bogie or undercarriage via a contact plate, a contact body provided with carbon brushes and a grounding cable.
  • the grounding cable extends between the frame and the contact body arranged within a bearing cover.
  • the bearing cover must have an opening for the grounding cable, which requires an effective seal against dirt and moisture.
  • the frame is with a Fitting point for the grounding cable.
  • the invention has for its object to achieve a safe grounding with a wheel bearing of the generic type without a sealed through the bearing cap penetrating grounding cable.
  • the invention can also be used favorably in bogies or undercarriages whose bearing caps are not easily grounded due to the presence of a primary suspension.
  • a simple connecting cable between the outside of the bearing cap and the frame is sufficient; a cable entry into the bearing cover is also not necessary here.
  • the invention is described in more detail below with the aid of two exemplary embodiments which are illustrated in the drawing.
  • the drawing shows a grounded wheel bearing in cross section.
  • a wheel 9 cooperating with a rail 10 is connected to a wheel shaft 2, which is held in a roller bearing 1 of a bogie or chassis frame 3.
  • the rotating wheel shaft 2 carries a contact disk 4 of an earth contact, which further includes a contact body 5.
  • the contact body 5 is located within a bearing cover 6, which is fastened to the frame 3 with the aid of screws 11.
  • the contact body 5 has a flange 5a which is connected to the bearing cover 6 by screws 7.
  • the contact body 5 can be connected to the bearing cover 6 by the bridging part 8 shown in broken lines.
  • the electric current is returned via the frame 3, the bearing cover 6 screwed to this, the contact body 5 interacting electrically with the bearing cover 6 (either via the flange 5a and the screws 7 or through the bridging part 8), the contact disk 4, the wheel shaft 2 and the wheel 9 in the rail 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Elimination Of Static Electricity (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Rolling Contact Bearings (AREA)
EP93110973A 1992-07-15 1993-07-09 Palier de roue d'un véhicule ferroviaire mis à la terre Withdrawn EP0579123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4223243 1992-07-15
DE19924223243 DE4223243A1 (de) 1992-07-15 1992-07-15 Geerdete Radlagerung eines Schienenfahrzeuges

Publications (1)

Publication Number Publication Date
EP0579123A1 true EP0579123A1 (fr) 1994-01-19

Family

ID=6463250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93110973A Withdrawn EP0579123A1 (fr) 1992-07-15 1993-07-09 Palier de roue d'un véhicule ferroviaire mis à la terre

Country Status (2)

Country Link
EP (1) EP0579123A1 (fr)
DE (1) DE4223243A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1136340A3 (fr) * 2000-03-20 2003-08-27 Schunk Metall und Kunststoff GmbH Contact de mise à la terre
WO2013030615A1 (fr) 2011-08-26 2013-03-07 Aktiebolaget Skf Ensemble doté de pièces rotatives à fluide conducteur pour retour par la terre
CN113904188A (zh) * 2021-09-09 2022-01-07 中车太原机车车辆有限公司 一种铁路货车轴承接地装置
CN118877035A (zh) * 2024-07-19 2024-11-01 中车株洲电力机车有限公司 一种轴端接地装置、车轴及转向架

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29907598U1 (de) 1999-04-30 1999-07-15 Schunk Metall und Kunststoff GmbH, 35435 Wettenberg Erdungskontakt
DE10214867A1 (de) * 2002-04-04 2003-10-16 Mitex Gummifabrik Hans Knott G Vorrichtung zur drehbaren Lagerung einer Walze in einer Maschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1411939A (en) * 1920-11-06 1922-04-04 Schmid-Roost Jakob Electric-current-transmission device
DE1259373B (de) * 1965-04-14 1968-01-25 Max Frost Erdungskontakt zur elektrischen UEberbrueckung der Achslagerung von Schienenfahrzeugen
DE1563974A1 (de) * 1967-11-04 1971-01-21 Schunk & Ebe Gmbh Erdungskontakt fuer elektrisch angetriebene Schienenfahrzeuge zur Stromueberbrueckung des Achslagers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1411939A (en) * 1920-11-06 1922-04-04 Schmid-Roost Jakob Electric-current-transmission device
DE1259373B (de) * 1965-04-14 1968-01-25 Max Frost Erdungskontakt zur elektrischen UEberbrueckung der Achslagerung von Schienenfahrzeugen
DE1563974A1 (de) * 1967-11-04 1971-01-21 Schunk & Ebe Gmbh Erdungskontakt fuer elektrisch angetriebene Schienenfahrzeuge zur Stromueberbrueckung des Achslagers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1136340A3 (fr) * 2000-03-20 2003-08-27 Schunk Metall und Kunststoff GmbH Contact de mise à la terre
WO2013030615A1 (fr) 2011-08-26 2013-03-07 Aktiebolaget Skf Ensemble doté de pièces rotatives à fluide conducteur pour retour par la terre
CN113904188A (zh) * 2021-09-09 2022-01-07 中车太原机车车辆有限公司 一种铁路货车轴承接地装置
CN113904188B (zh) * 2021-09-09 2024-01-19 中车太原机车车辆有限公司 一种铁路货车轴承接地装置
CN118877035A (zh) * 2024-07-19 2024-11-01 中车株洲电力机车有限公司 一种轴端接地装置、车轴及转向架

Also Published As

Publication number Publication date
DE4223243A1 (de) 1994-01-20

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