CN101011972A - Sideframe pedestal - Google Patents
Sideframe pedestal Download PDFInfo
- Publication number
- CN101011972A CN101011972A CNA2007100860578A CN200710086057A CN101011972A CN 101011972 A CN101011972 A CN 101011972A CN A2007100860578 A CNA2007100860578 A CN A2007100860578A CN 200710086057 A CN200710086057 A CN 200710086057A CN 101011972 A CN101011972 A CN 101011972A
- Authority
- CN
- China
- Prior art keywords
- pedestal roof
- railway truck
- bearing
- load
- bearing assembly
- 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
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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
- 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.
Description
Technical field
The present invention relates to a kind of railway truck, relate in particular to a kind of bogie side frame and the bogie side frame of railway truck and interface between the bearing assembly of railway truck.
Background technology
The bogie side frame design of known railway truck has sideframe pedestal (sideframe pedestal), and sideframe pedestal is a tabular, and is on the horizontal surface, and perhaps the longitudinal edge along distance line of centers one specific range has 15 inches ultimate range.15 inches ultimate range option is shown in American Association of Railway (AAR) standard S-325-94's " the qualification size of the alternative standard bar box of AAR bogie side frame " column.
This known flat-shaped horizontal top plate design can not compensate automobile carrying condition and issue living bolster and wheel shaft deflection.Along with the increase of wheel axle load in the common use, the also corresponding increase of deflection.The wheel axle load that raises and the deflection of rising make extra load concentrate on the bearing assembly, for example in the lump: as the race, inner of the cylindrical bearing of the part of bearing assembly, this bearing assembly is arranged on the wheel shaft end.An example of bearing assembly is a cylindrical bearing, and described load will concentrate on the race, inner of cylindrical bearing.The load of this increase is concentrated the life-span that has shortened bearing assembly.An alternative embodiment of the invention is the bearing assembly that comprises bearing adapter.
One embodiment of the present of invention provide bevelled non-level surface on the sideframe pedestal top board.In one embodiment of the invention, this inclined peripheral is around the longitudinal axis of bogie side frame.Specifically select deflection when railway truck bears the above-mentioned constantly inclination of load, and the segment length that will load on bearing assembly distributes with compensation bolster and component of the wheel axle, concentrated with the load that reduces on the bearing assembly.
An alternative embodiment of the invention provides bevelled non-level surface in bearing adapter.Inclined peripheral in the bearing adapter is around the longitudinal axis of the top board of sideframe pedestal.When railway truck bears when load deflection with compensation bolster and component of the wheel axle is specifically selected in above-mentioned inclination, and the segment length that will load on bearing assembly distributes, concentrated with the load that reduces on the bearing assembly.
Summary of the invention
The object of the present invention is to provide a kind of compensation to bear the railway truck bolster out-of-position method of load.
Another object of the present invention is to provide the method for the load well-distributed on a kind of interface that will concentrate between sideframe pedestal and the wheel shaft.
The railway truck wheel shaft out-of-position device that provides a kind of compensation to bear load is provided another object of the present invention.
Description of drawings
Accompanying drawing 1 is the transparent view of railway truck, has demonstrated sideframe pedestal according to an embodiment of the invention;
Accompanying drawing 2 is the side cross sectional detail of not bearing bearing assembly, wheel shaft and the bogie side frame of load condition according to being in of the embodiment of the invention;
Accompanying drawing 3 is the side sectional views that are in the bearing assembly, wheel shaft and the bogie side frame that do not bear under the load condition in the prior art;
Accompanying drawing 4 be in the prior art bearing assembly that bears under the load condition, wheel to the side sectional view of bogie side frame;
Accompanying drawing 5 is side sectional views that are in the bearing assembly, wheel shaft and the bogie side frame that do not bear under the load condition according to an embodiment of the invention;
Accompanying drawing 6 is side sectional views that are in the bearing assembly, wheel shaft and the bogie side frame that bear under the load condition according to an embodiment of the invention;
Accompanying drawing 7 is side sectional views that are in the bearing assembly, wheel shaft and the bogie side frame that do not bear under the load condition according to a second embodiment of the present invention;
Accompanying drawing 8 is side sectional views that are in the bearing assembly, wheel shaft and the bogie side frame that bear under the load condition according to a second embodiment of the present invention.
The specific embodiment
Referring now to the circle in the accompanying drawing 1, wherein demonstrated railway truck 10 with sideframe pedestal 11.Railway truck 10 has spaced and is equal to bogie side frame 12 with respect to first bogie side frame 12 and second that the longitudinal axis L of railway truck is arranged in parallel substantially.Each bogie side frame 12 all has medial surface 13 and lateral surface 14.The wheel that is installed in the space during 12 one-tenth of bogie side frames is on 4.One group of wheel is to 4 wheel 18 and the bearing assemblies 25 that comprise wheel shaft 16, play supporting role.Wheel shaft 16 has the first round shaft end 15 and the second wheel shaft end 17.Bearing assembly 25 is installed on the first round shaft end 15 and the second wheel shaft end 17.
Each end of each bogie side frame 12 all has pedestal jaw 50, and has bolster opening 23 at the middle part of bogie side frame.Bolster 20 extends between the bolster opening 23 of each bogie side frame, and is supported by spring 22.Bolster 20 can be connected to the compartment downside at core 21 places of centralized positioning.
With reference to accompanying drawing 2, according to one embodiment of present invention, bearing assembly 125 is retained on the wheel shaft end 117 by grommet 125A and wheel shaft end cap 125B.Bearing assembly 125 is the roller-type bearing 125C with outer race 126 and race, inner 124.Race, inner 124 glands and rotate with wheel shaft end 117 on wheel shaft end 117.Bearing adapter 170 contact outer races 126.Pedestal roof 111 contact bearing adapters 170 can not use bearing adapter 170 in some cases, and pedestal roof directly contacts with outer race 126.
With reference to accompanying drawing 3 and 4, wherein shown design of the prior art.In accompanying drawing 3, bogie side frame 50, bearing assembly 25, bearing adapter 70 and pedestal roof 11 are under the state that does not bear load.Pedestal roof 11 is level generally, and has obtained rectangular distribution not bearing under the state of load load.It should be noted that and do not bearing under the state of load that the load on the bearing assembly 25 is quite little, the weight of railway truck when only being the unloaded goods, general weight are 40000 to 60000 pounds, and are distributed on 4 bearing positions of two joint railway trucks.When lade, increased by 200000 to 250000 pounds extra load, each railway truck increases half this weight.As shown in Figure 4, bogie side frame 50, bearing assembly 25, bearing adapter 70 and pedestal roof 11 are under the state that bears load.Bearing under the state of load, producing the angle of inclination of 0-5 degree, this moment, load concentrated on the inside part of bearing outer race 26, had caused unnecessary stress on bearing assembly 25.
With reference to accompanying drawing 5 according to an embodiment of the invention, wherein shown pedestal roof 111, bearing assembly 125 and bearing adapter 170, and wheel shaft 117, wheel 118, bogie side frame 112 and bolster 120 are in the state that does not bear load.Pedestal roof 111 has deflection compensated angle b, and this deflection compensated angle b excises formation on pedestal roof 111.Angle b from 0 to 5 degree is repaid in deflection, and its shape is used for bearing under the state of load, and rectangular distribution is applied to the load on bearing adapter 170 and the bearing assembly 125.
Do not bear in accompanying drawing 5 under the state of load, the load that is produced by the railway truck of zero load concentrates on the Outboard Sections of bearing adapter 170 and bearing outer race 126.Yet the explanation of having done as mentioned is such, does not bear at this kind under the state of load, and the load on the bearing assembly is quite little.In all cases, wheel shaft 117 is straight.
Embodiment according to the present invention in accompanying drawing 5, referring now to accompanying drawing 6, shown pedestal roof 111, bearing assembly 125 and bearing adapter 170 are in the state that bears load.Because the end of wheel shaft 117 has been born by bearing assembly 125, bearing adapter 170 and bogie side frame 112 and has been transmitted the load of coming, and makes wheel shaft 117 that bending take place.Bending has also taken place in bolster 120, causes bogie side frame 112 outwards to rotate.Yet,, make from pedestal roof 111 to bearing adapter 170 to be distributed equably to bearing assembly 125 loads because pedestal roof 111 has on pedestal roof 111 the deflection compensated angle b that excision forms.
With reference to accompanying drawing 7, wherein shown another embodiment of the present invention.Wherein show pedestal roof 211, bearing assembly 225 and bearing adapter 270, and bogie side frame 212, wheel shaft 217, wheel 218 and bolster 220.Bearing adapter 270 has deflection compensated angle c, and this deflection compensated angle c excises formation on bearing adapter 270.Deflection compensated angle from 0 to 5 degree.The above-mentioned angle of moulding is to bear under the state of load, and rectangular distribution is applied to the load on bearing adapter 270 and the bearing assembly 225.
Do not bear in accompanying drawing 7 under the state of load, the load that is produced by the railway truck of zero load concentrates on the Outboard Sections of bearing adapter 270 and bearing outer race 226.Yet the explanation of having done as mentioned is such, does not bear at this kind under the state of load, and the load on the bearing assembly is quite little.In all cases, wheel shaft 217 is straight.
Referring now to accompanying drawing 8, the embodiment shown in the accompanying drawing 7 is in the state that bears load.Wherein there are pedestal roof 211, bearing assembly 225 and bearing adapter 270.Because the end of wheel shaft 217 has been born by bearing assembly 225, bearing adapter 270 and bogie side frame 212 and has been transmitted the load of coming, and makes wheel shaft 217 that bending take place.Because bolster 120 under load bending has taken place, cause bogie side frame 212 also outwards to rotate.Yet, because bearing adapter 270 has on bearing adapter 270 the deflection compensated angle c that excision forms, thus pedestal roof 211 make its load from pedestal roof 211 by bearing adapter 270 rectangular distribution to the bearing assembly 225.
Claims (19)
1, a kind of method that compensates for the deflection of railway truck wheel shaft may further comprise the steps:
Bogie side frame with pedestal roof is provided;
Bearing assembly is installed under the described pedestal roof; And
Make described pedestal roof form definite shape, axially pass the load of bearing assembly thereby distribute equably.
2, the method for claim 1 further may further comprise the steps: before being installed on described bearing assembly under the described pedestal roof, described bearing assembly is installed in the bearing adapter.
3, the method for claim 1, it is characterized in that: the shape in the described pedestal roof is the angle that is consistent with bearing adapter, when described railway truck is in when load, described bearing adapter haply with described pedestal roof uniform contact.
4, method as claimed in claim 3 is characterized in that: described deflection has the angle of inclination of 0-5 degree scope.
5, the concentrated method of the load on a kind of interface that is used for reducing between railway truck bogie side frame and the wheel shaft may further comprise the steps:
Bogie side frame with two pedestal roof is provided, and described pedestal roof is arranged on the relative end of described bogie side frame;
Wheel shaft is installed in described pedestal roof inside;
The bearing assembly and the bearing adapter that are connected with the end of described wheel shaft are provided, between described pedestal roof and described bearing adapter, form angled interface, wherein said bearing adapter contacts with described pedestal roof, and the load of railway truck is delivered on the described bearing assembly haply equably.
6, method as claimed in claim 5 is characterized in that: described bearing adapter and described pedestal roof form an acute angle.
7, method as claimed in claim 6 is characterized in that: the angle between described bearing adapter and the described pedestal roof is the 0-5 degree.
8, method as claimed in claim 6 is characterized in that: described bearing adapter haply with described pedestal roof uniform contact, and equably the load of railway truck is delivered to described bearing assembly by described pedestal roof haply.
9, a kind of railway truck comprises:
Bogie side frame with pedestal jaw;
Be arranged at the bearing assembly in the described pedestal jaw;
Be formed at the pedestal roof in the described pedestal jaw, described pedestal roof has the bevelled shape, the load of the railway truck that makes it possible to distribute equably haply between described pedestal roof and described bearing assembly.
10, railway truck as claimed in claim 9 is characterized in that: described bearing assembly has bearing adapter, and described bearing adapter contacts with described pedestal roof.
11, railway truck as claimed in claim 9 is characterized in that: the edge of described shape forms acute angle, is not bearing under the situation of load, and described edge is consistent with the outer ledge of described bearing adapter.
12, railway truck as claimed in claim 9 is characterized in that: described shape is the axial angle of scope at the 0-5 degree.
13, railway truck as claimed in claim 9 is characterized in that: described deflection is the arc of certain angle, and the center of described arc is parallel to described bogie side frame.
14, railway truck as claimed in claim 10 is characterized in that: when described railway truck bearing goods, the described tilted shape in the described pedestal roof haply with described bearing adapter uniform contact.
15, a kind of railway truck comprises:
Bogie side frame with two pedestal roof, described pedestal roof are arranged on the relative end of described bogie side frame;
Be arranged on the wheel shaft under the described pedestal roof; And
With the end bonded assembly bearing assembly and the bearing adapter of described wheel shaft, and between described pedestal roof and described bearing assembly, form the interface of certain angle, and haply the load of railway truck evenly is passed to bearing assembly.
16, railway truck as claimed in claim 15 is characterized in that: described bearing adapter and described pedestal roof form an acute angle.
17, railway truck as claimed in claim 16 is characterized in that: the angle between described bearing adapter and the described pedestal roof is the 0-5 degree.
18, railway truck as claimed in claim 15, its domestic animal is: described bearing adapter contacts haply equably with described pedestal roof, and equably the load of railway truck is passed to described bearing assembly by described pedestal roof haply.
19, railway truck as claimed in claim 15 is characterized in that: described angled interface is an arc, and the center of described arc is parallel to described bogie side frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/335,811 | 2006-01-20 | ||
| US11/335,811 US20070169663A1 (en) | 2006-01-20 | 2006-01-20 | Sideframe pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101011972A true CN101011972A (en) | 2007-08-08 |
| CN101011972B CN101011972B (en) | 2011-04-13 |
Family
ID=38283433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100860578A Active CN101011972B (en) | 2006-01-20 | 2007-01-19 | Railway wagon with 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10358151B2 (en) | 2013-12-30 | 2019-07-23 | Nevis Industries Llc | Railcar truck roller bearing adapter-pad systems |
| US10562547B2 (en) | 2013-12-30 | 2020-02-18 | 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 |
| US10752265B2 (en) | 2013-12-30 | 2020-08-25 | Nevis Industries Llc | Railcar truck roller bearing adapter pad systems |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657299B2 (en) | 2004-07-15 | 2014-02-25 | John E. Rode | Mounting rings for shafts |
| 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 BR BRPI0700065A patent/BRPI0700065B1/en active IP Right Grant
- 2007-01-19 CN CN2007100860578A patent/CN101011972B/en active Active
- 2007-01-19 SE SE0700110A patent/SE531641C2/en unknown
- 2007-01-19 RU RU2007102027/11A patent/RU2337846C1/en not_active IP Right Cessation
- 2007-01-19 UA UAA200700553A patent/UA93983C2/en unknown
- 2007-01-19 ZA ZA200700556A patent/ZA200700556B/en unknown
- 2007-01-19 AU AU2007200223A patent/AU2007200223B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10358151B2 (en) | 2013-12-30 | 2019-07-23 | Nevis Industries Llc | Railcar truck roller bearing adapter-pad systems |
| US10562547B2 (en) | 2013-12-30 | 2020-02-18 | 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 |
| US10752265B2 (en) | 2013-12-30 | 2020-08-25 | Nevis Industries Llc | Railcar truck roller bearing adapter pad systems |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007200223A1 (en) | 2007-08-09 |
| CA2574323A1 (en) | 2007-07-20 |
| BRPI0700065B1 (en) | 2018-07-17 |
| BRPI0700065A (en) | 2007-11-06 |
| SE0700110L (en) | 2007-07-21 |
| RU2337846C1 (en) | 2008-11-10 |
| CN101011972B (en) | 2011-04-13 |
| ZA200700556B (en) | 2010-07-28 |
| UA93983C2 (en) | 2011-03-25 |
| RU2007102027A (en) | 2008-07-27 |
| SE531641C2 (en) | 2009-06-16 |
| MX2007000720A (en) | 2008-11-19 |
| US20070169663A1 (en) | 2007-07-26 |
| AU2007200223B2 (en) | 2010-04-01 |
| CA2574323C (en) | 2010-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090220 Address after: Illinois Applicant after: Brenco Inc. Address before: Illinois Applicant before: ASF-Keystone, Inc. |
|
| ASS | Succession or assignment of patent right |
Owner name: ARMSTED RAILROAD CO.,LTD. Free format text: FORMER OWNER: ASF-JEAL STONE CO.,LTD. Effective date: 20090220 |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |