WO2007065235A1 - Tubular railroad axle - Google Patents

Tubular railroad axle Download PDF

Info

Publication number
WO2007065235A1
WO2007065235A1 PCT/BR2006/000263 BR2006000263W WO2007065235A1 WO 2007065235 A1 WO2007065235 A1 WO 2007065235A1 BR 2006000263 W BR2006000263 W BR 2006000263W WO 2007065235 A1 WO2007065235 A1 WO 2007065235A1
Authority
WO
WIPO (PCT)
Prior art keywords
axle
tubular
tubular railroad
railroad axle
ensure
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.)
Ceased
Application number
PCT/BR2006/000263
Other languages
French (fr)
Other versions
WO2007065235A8 (en
Inventor
Ronaldo Faria Antunes
Jose Antonio Filho
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.)
Vallourec Solucoes Tubulares do Brasil SA
Original Assignee
V&M do Brasil SA
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 V&M do Brasil SA filed Critical V&M do Brasil SA
Publication of WO2007065235A1 publication Critical patent/WO2007065235A1/en
Publication of WO2007065235A8 publication Critical patent/WO2007065235A8/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02—Dead axles, i.e. not transmitting torque
    • B60B35/08—Dead axles, i.e. not transmitting torque of closed hollow section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/10—Railway vehicles

Definitions

  • the present invention relates generally to railway car axles and more particularly to a tubular railroad axle, which is total or partially hollowed.
  • the axle may be made or by a single beam, or by a beam composed of a number of segments attached mechanically by any means such welding, thread and others. Its dimensions depends of the design which consider, between other factors, the railway gauge, the car payload, the wheel type, the bearing type and the axle material.
  • the selected material to be used in the tubular railroad axle has properties that ensure the axle strength and useful life suitable to withstand the design loading capacities.
  • the Figure 01 is a schematic drawing in elevation of a single tubular railroad axle.
  • the numbers show the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body.
  • the Figure 02 is a schematic drawing in elevation of a slice of a single tubular railroad axle. This drawing shows that is permissible the variation of the wall thickness.
  • the numbers show the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body.
  • the Figures 03 and 04 are schematic drawing in elevation of a slice of a single tubular railroad axle. This drawing shows that is permissible the variation of the diameter of the transversal sections, as shows in the shaft body, per example.
  • the numbers shows the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body.
  • the tubular railroad axle may be manufactured with standard dimensions to ensure the interchangeability with the existing standardized component parts such wheels and bearings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Handcart (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The tubular railroad axle is a lightweight alternative to the conventional bulk railway car axle used in common railway cars. It's a cylindrical beam that may be total or partially hollowed with variable cross section area along its length. The selected material to be used in the tubular railroad axle has properties that ensure the axle strength and useful life suitable to withstand the design loading capacities. The tubular railroad axle may be manufactured with standard dimensions to ensure the interchangeability with the existing standardized component parts such wheels and bearings

Description

Title: "TUBULAR RAILROAD AXLE"
The present invention relates generally to railway car axles and more particularly to a tubular railroad axle, which is total or partially hollowed.
Nowadays the railway car axles are bulk steel beams obtained from machined hot forged ingots.
As the railroad industry is searching ways to decrease the cars weight, it was developed the tubular railroad axle, which is around 30% lighter than the equivalent conventional bulk axle. The cars weight saving allows an increase in the payload without increase the railway loading and a decre- ase in the fuel consumption and pollutant emission per transported tone.
The axle may be made or by a single beam, or by a beam composed of a number of segments attached mechanically by any means such welding, thread and others. Its dimensions depends of the design which consider, between other factors, the railway gauge, the car payload, the wheel type, the bearing type and the axle material.
The selected material to be used in the tubular railroad axle has properties that ensure the axle strength and useful life suitable to withstand the design loading capacities.
In order to improve the comprehension, some attached dra- wings are presented, followed by the description bellow:
The Figure 01 is a schematic drawing in elevation of a single tubular railroad axle. The numbers show the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body.
The Figure 02 is a schematic drawing in elevation of a slice of a single tubular railroad axle. This drawing shows that is permissible the variation of the wall thickness. The numbers show the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body.
The Figures 03 and 04 are schematic drawing in elevation of a slice of a single tubular railroad axle. This drawing shows that is permissible the variation of the diameter of the transversal sections, as shows in the shaft body, per example. The numbers shows the typical railway car axles sections: 1 -journal; 2 - dust guard seat; 3 - wheel seat; 4 - shaft body. The tubular railroad axle may be manufactured with standard dimensions to ensure the interchangeability with the existing standardized component parts such wheels and bearings.

Claims

1. Tubular railroad axle comprising a generally cylindrical beam that may be total or partially hollowed with variable cross-section area along its length.
2. Tubular railroad axle comprising a generally cylindrical beam that may be total or partially hollowed with variable cross-section area along its length with also variable wall thickness.
3. Tubular railroad axle comprising a generally cylindrical beam that may be total or partially hollowed with variable cross-section area along its length with also variable external and internal cross-section diameters.
PCT/BR2006/000263 2005-12-07 2006-12-07 Tubular railroad axle Ceased WO2007065235A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0505962-3A BRPI0505962A (en) 2005-12-07 2005-12-07 tubular rail axle
BRPI0505962-3 2005-12-07

Publications (2)

Publication Number Publication Date
WO2007065235A1 true WO2007065235A1 (en) 2007-06-14
WO2007065235A8 WO2007065235A8 (en) 2007-08-30

Family

ID=37770968

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2006/000263 Ceased WO2007065235A1 (en) 2005-12-07 2006-12-07 Tubular railroad axle

Country Status (2)

Country Link
BR (1) BRPI0505962A (en)
WO (1) WO2007065235A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008104396A1 (en) * 2007-03-01 2008-09-04 Saf-Holland Gmbh Axle body
WO2009067773A1 (en) * 2007-11-30 2009-06-04 V & M Do Brasil S/A An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
FR2926739A1 (en) * 2008-01-24 2009-07-31 Vallourec & Mannesmann Tubes S Anti-weld tube shaped axle for a road vehicle, comprises steel alloy comprising carbon, manganese, sulfur, phosphorous, aluminum, silicon, molybdenum, niobium and/or vanadium, where the axle has minimum elastic limit of specified range
RU186123U1 (en) * 2018-07-17 2019-01-09 Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" VEHICLE AXLE

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB261157A (en) * 1925-10-09 1926-11-18 Algrain Paul Axle for tramway, railway and other vehicles
GB360521A (en) * 1930-08-18 1931-11-12 Ringfeder Gmbh Improvements in or relating to rotating parts of machinery, such as hollow shafts
US2256065A (en) * 1939-10-21 1941-09-16 Pittsburgh Steel Co Tubular car axle and method for making it
GB590317A (en) * 1944-03-24 1947-07-14 Degerfors Jaernverks Aktiebola Improvements in wheel and axle assemblies
CH376955A (en) * 1958-07-21 1964-04-30 Charles Andrianne Jules Louis Process for the manufacture of rolling stock axles
US4200326A (en) * 1977-12-19 1980-04-29 Republic Corporation Reinforced railway wheels and axles
GB1585982A (en) * 1978-02-27 1981-03-11 Hawker Siddeley Canada Ltd Railcar axle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB261157A (en) * 1925-10-09 1926-11-18 Algrain Paul Axle for tramway, railway and other vehicles
GB360521A (en) * 1930-08-18 1931-11-12 Ringfeder Gmbh Improvements in or relating to rotating parts of machinery, such as hollow shafts
US2256065A (en) * 1939-10-21 1941-09-16 Pittsburgh Steel Co Tubular car axle and method for making it
GB590317A (en) * 1944-03-24 1947-07-14 Degerfors Jaernverks Aktiebola Improvements in wheel and axle assemblies
CH376955A (en) * 1958-07-21 1964-04-30 Charles Andrianne Jules Louis Process for the manufacture of rolling stock axles
US4200326A (en) * 1977-12-19 1980-04-29 Republic Corporation Reinforced railway wheels and axles
GB1585982A (en) * 1978-02-27 1981-03-11 Hawker Siddeley Canada Ltd Railcar axle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008104396A1 (en) * 2007-03-01 2008-09-04 Saf-Holland Gmbh Axle body
EP2133164A2 (en) 2007-03-01 2009-12-16 SAF-HOLLAND GmbH Axle body
EP2133164A3 (en) * 2007-03-01 2010-04-21 SAF-HOLLAND GmbH Axle body
US8353562B2 (en) 2007-03-01 2013-01-15 Saf-Holland Gmbh Axle body
WO2009067773A1 (en) * 2007-11-30 2009-06-04 V & M Do Brasil S/A An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
AU2008329579B2 (en) * 2007-11-30 2014-03-27 V & M Do Brasil S/A An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
CN101932737B (en) * 2007-11-30 2014-06-18 V&M巴西有限公司 Seamless tube axle for railway vehicle and method for manufacturing same
US9133533B2 (en) 2007-11-30 2015-09-15 V & M Do Brasil S/A Axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
FR2926739A1 (en) * 2008-01-24 2009-07-31 Vallourec & Mannesmann Tubes S Anti-weld tube shaped axle for a road vehicle, comprises steel alloy comprising carbon, manganese, sulfur, phosphorous, aluminum, silicon, molybdenum, niobium and/or vanadium, where the axle has minimum elastic limit of specified range
RU186123U1 (en) * 2018-07-17 2019-01-09 Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" VEHICLE AXLE

Also Published As

Publication number Publication date
BRPI0505962A (en) 2007-10-02
WO2007065235A8 (en) 2007-08-30

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