CA2574323A1 - Sideframe pedestal - Google Patents
Sideframe pedestal Download PDFInfo
- Publication number
- CA2574323A1 CA2574323A1 CA002574323A CA2574323A CA2574323A1 CA 2574323 A1 CA2574323 A1 CA 2574323A1 CA 002574323 A CA002574323 A CA 002574323A CA 2574323 A CA2574323 A CA 2574323A CA 2574323 A1 CA2574323 A1 CA 2574323A1
- Authority
- CA
- Canada
- Prior art keywords
- pedestal
- freight car
- pedestal roof
- bearing
- roof
- 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.)
- Granted
Links
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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
-
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/36—Arrangements for equalising or adjusting the load on wheels or springs, e.g. yokes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Body Structure For Vehicles (AREA)
- Mounting Of Bearings Or Others (AREA)
- Handcart (AREA)
Abstract
Freight truck castings on freight trucks have an interface between the freight car truck sideframe and a bearing assembly or bearing adapter. The present invention includes a sideframe with a pedestal jaw, placing a bearing assembly inside the pedestal jaw, and forming a pedestal roof in the pedestal jaw in a shape to evenly distribute a load between the pedestal roof and the bearing assembly. The present invention also provides for reducing load concentration on an interface between a pedestal roof and an axle. The present invention provides a sideframe with two pedestal roofs disposed at opposite ends of the sideframe, an axle placed under the pedestal roof, and an angled interface. The angled interface is formed between the pedestal roof and bearing adapter to reduce load concentration.
Claims (19)
1. A method of compensating for the deflection in an axle in a freight car truck comprising the steps of:
providing a sideframe with a pedestal roof;
placing a bearing assembly under the pedestal roof; and forming the pedestal roof in a shape to equally distribute load axially across the bearing assembly.
providing a sideframe with a pedestal roof;
placing a bearing assembly under the pedestal roof; and forming the pedestal roof in a shape to equally distribute load axially across the bearing assembly.
2. The method of claim 1 further comprising the step of placing the bearing assembly in a bearing adapter before placing the bearing assembly under the pedestal roof.
3. The method of claim 1 wherein the shape in the pedestal roof is an angle to conform to a bearing adapter, the bearing adapter in substantially even contact with the pedestal roof when the freight car truck is under load.
4. The method of claim 3 wherein the deflection has a deflection angle in the range of 0 degrees to 5 degrees.
5. A method of reducing a load concentration on an interface between a sideframe and an axle in a freight car truck comprising the steps of:
providing a sideframe with two pedestal roofs disposed at opposite ends of the sideframe;
placing an axle inside the pedestal roof;
providing a bearing assembly and bearing adapter connected to an end of the axle, forming an angled interface between the pedestal roof and the bearing adapter, wherein the bearing adapter contacts the pedestal roof and transfers a freight car load substantially evenly to the bearing assembly.
providing a sideframe with two pedestal roofs disposed at opposite ends of the sideframe;
placing an axle inside the pedestal roof;
providing a bearing assembly and bearing adapter connected to an end of the axle, forming an angled interface between the pedestal roof and the bearing adapter, wherein the bearing adapter contacts the pedestal roof and transfers a freight car load substantially evenly to the bearing assembly.
6. The method of claim 5 wherein the bearing adapter is shaped at an acute angle to the pedestal roof.
7. The method of claim 6 wherein the angle of the bearing adapter to the pedestal roof is between 0 and 5 degrees.
8. The method of claim 6 wherein the bearing adapter contacts the pedestal roof substantially evenly and transfers the freight car load substantially evenly from the pedestal roof to the bearing assembly.
9. A freight car truck comprising:
a sideframe with a pedestal jaw;
a bearing assembly within the pedestal jaw;
a pedestal roof formed in the pedestal jaw with an angled shape to substantially evenly distribute a freight car load between the pedestal roof and the bearing assembly.
a sideframe with a pedestal jaw;
a bearing assembly within the pedestal jaw;
a pedestal roof formed in the pedestal jaw with an angled shape to substantially evenly distribute a freight car load between the pedestal roof and the bearing assembly.
10. The freight car truck of claim 9 wherein the bearing assembly has a bearing adapter, the bearing adapter contacting the pedestal roof.
11. The freight car truck of claim 9 wherein the shape is an acute angle with an edge to conform to an outside edge of the bearing adapter under a no load condition.
12. The freight car truck of claim 9 wherein the shape is an axial angle in the range of 0 to 5 degrees.
13. The freight car truck of claim 9 wherein the deflection is an angled arc with a center of the arc being parallel to the sideframe.
14. The freight car truck of claim 10 wherein the angled shape in the pedestal roof is in substantially even contact with the bearing adapter when the freight car is under load.
15. A freight car truck comprising:
a sideframe with two pedestal roofs disposed at opposite ends of the sideframe;
an axle placed under the pedestal roof; and a bearing assembly and bearing adapter connected to an end of the axle forming an angled interface between the pedestal roof and the bearing roof and transfers a freight car load substantially evenly to the bearing assembly.
a sideframe with two pedestal roofs disposed at opposite ends of the sideframe;
an axle placed under the pedestal roof; and a bearing assembly and bearing adapter connected to an end of the axle forming an angled interface between the pedestal roof and the bearing roof and transfers a freight car load substantially evenly to the bearing assembly.
16. The freight car truck of claim 15 wherein the bearing adapter is shaped at an acute angle to the pedestal roof.
17. The freight car truck of claim 16 wherein the angle of the bearing adapter to the pedestal roof is between 0 and 5 degrees.
18. The freight car truck of claim 15 wherein the bearing adapter contacts the pedestal roof substantially evenly and transforms the freight car load substantially evenly from the pedestal roof to the bearing assembly.
19. The device of claim 15 wherein the angled interface is an arc with a center of the arc being parallel to a sideframe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/335,811 US20070169663A1 (en) | 2006-01-20 | 2006-01-20 | Sideframe pedestal |
| US11/335,811 | 2006-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2574323A1 true CA2574323A1 (en) | 2007-07-20 |
| CA2574323C CA2574323C (en) | 2010-05-11 |
Family
ID=38283433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2574323A Active CA2574323C (en) | 2006-01-20 | 2007-01-18 | Sideframe pedestal |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20070169663A1 (en) |
| CN (1) | CN101011972B (en) |
| AU (1) | AU2007200223B2 (en) |
| BR (1) | BRPI0700065B1 (en) |
| CA (1) | CA2574323C (en) |
| MX (1) | MX2007000720A (en) |
| RU (1) | RU2337846C1 (en) |
| SE (1) | SE531641C2 (en) |
| UA (1) | UA93983C2 (en) |
| ZA (1) | ZA200700556B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657299B2 (en) | 2004-07-15 | 2014-02-25 | John E. Rode | Mounting rings for shafts |
| US9637143B2 (en) | 2013-12-30 | 2017-05-02 | Nevis Industries Llc | Railcar truck roller bearing adapter pad systems |
| US10569790B2 (en) | 2013-12-30 | 2020-02-25 | Nevis Industries Llc | Railcar truck roller bearing adapter-pad systems |
| US10358151B2 (en) | 2013-12-30 | 2019-07-23 | Nevis Industries Llc | Railcar truck roller bearing adapter-pad systems |
| US9580087B2 (en) | 2013-12-30 | 2017-02-28 | Nevis Industries Llc | Railcar truck roller bearing adapter pad systems |
| US10336349B2 (en) * | 2015-12-21 | 2019-07-02 | Standard Car Truck Company | Railroad car truck with warp restraints |
| US11027755B2 (en) * | 2017-12-04 | 2021-06-08 | Standard Car Truck Company | Railroad car truck with warp restraints |
| US11008027B2 (en) * | 2017-12-18 | 2021-05-18 | Standard Car Truck Company | Railroad car truck with warp restraints |
| FR3116255B1 (en) * | 2020-11-13 | 2022-11-18 | Alstom Transp Tech | Railway vehicle bogie, railway vehicle and associated machining method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509358A (en) * | 1994-12-08 | 1996-04-23 | Amsted Industries Incorporated | Railcar truck bearing adapter construction |
| US5924366A (en) * | 1998-03-27 | 1999-07-20 | Buckeye Steel Castings | Side frame pedestal roof with rocker seats |
| US6142081A (en) * | 1998-05-07 | 2000-11-07 | Naco, Inc. | Pedestal rocker seat for providing passive axle steering to a rigid railway truck |
| US6125767A (en) * | 1998-06-26 | 2000-10-03 | Amsted Industries Incorporated | Railway truck sideframe with reinforced columns |
| US7513199B2 (en) * | 2004-06-08 | 2009-04-07 | Amsted Rail Company, Inc. | Railway truck pedestal bearing adapter |
-
2006
- 2006-01-20 US US11/335,811 patent/US20070169663A1/en not_active Abandoned
-
2007
- 2007-01-18 MX MX2007000720A patent/MX2007000720A/en active IP Right Grant
- 2007-01-18 CA CA2574323A patent/CA2574323C/en active Active
- 2007-01-19 SE SE0700110A patent/SE531641C2/en unknown
- 2007-01-19 CN CN2007100860578A patent/CN101011972B/en active Active
- 2007-01-19 ZA ZA200700556A patent/ZA200700556B/en unknown
- 2007-01-19 UA UAA200700553A patent/UA93983C2/en unknown
- 2007-01-19 AU AU2007200223A patent/AU2007200223B2/en active Active
- 2007-01-19 RU RU2007102027/11A patent/RU2337846C1/en not_active IP Right Cessation
- 2007-01-19 BR BRPI0700065A patent/BRPI0700065B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007200223B2 (en) | 2010-04-01 |
| BRPI0700065B1 (en) | 2018-07-17 |
| UA93983C2 (en) | 2011-03-25 |
| US20070169663A1 (en) | 2007-07-26 |
| CA2574323C (en) | 2010-05-11 |
| ZA200700556B (en) | 2010-07-28 |
| RU2007102027A (en) | 2008-07-27 |
| RU2337846C1 (en) | 2008-11-10 |
| CN101011972B (en) | 2011-04-13 |
| BRPI0700065A (en) | 2007-11-06 |
| CN101011972A (en) | 2007-08-08 |
| MX2007000720A (en) | 2008-11-19 |
| SE531641C2 (en) | 2009-06-16 |
| AU2007200223A1 (en) | 2007-08-09 |
| SE0700110L (en) | 2007-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |