CN106314020A - Wheel for railway vehicle - Google Patents
Wheel for railway vehicle Download PDFInfo
- Publication number
- CN106314020A CN106314020A CN201510392431.1A CN201510392431A CN106314020A CN 106314020 A CN106314020 A CN 106314020A CN 201510392431 A CN201510392431 A CN 201510392431A CN 106314020 A CN106314020 A CN 106314020A
- Authority
- CN
- China
- Prior art keywords
- arc section
- tread
- wheel
- straightway
- root
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Landscapes
- Tires In General (AREA)
Abstract
The invention discloses a wheel for a railway vehicle. The wheel for the railway vehicle comprises a rim, a rim root, a tread and a tread outer side which are connected in sequence. The tread comprises a first tread arc section, a tread straight line section and a second tread arc section which are sequentially connected head to tail. One end of the first tread arc section is connected with the rim root, one end of the second tread arc section is connected with the tread outer side, and the first tread arc section, the tread straight line section and the second tread arc section are matched with a track in appearance. A rim outer side and the tread of the wheel for the railway vehicle can be accurately matched with the track in appearance, and thus the wheel has good dynamics performance and contact fatigue performance.
Description
Technical field
The present invention relates to a kind of wheel, particularly for the wheel of rail truck.
Background technology
The wheel of rolling stock is the critical component in rolling stock, its profile and the dynamic performance of vehicle
Closely related, affect the safety in operation of train, the abrasion etc. of wheel rail system.For a long time, biography is continued to use
The wheel that obtains of Empirical Design of system, outside its profile, especially wheel rim and tread contour cannot be with
Track accurately mates, and dynamic performance and the contact fatigue property of wheel are poor.
Summary of the invention
The technical problem to be solved in the present invention is to be traditionally used for rail truck in prior art to overcome
Wheel, its profile accurately cannot mate with track, and the dynamic performance of wheel and contact fatigue property are relatively
The defects such as difference, it is provided that a kind of wheel for rail truck, outside the profile of this wheel, particularly wheel rim
Can accurately mate with track with the profile of tread, make wheel have preferable dynamic performance and contact fatigue
Performance.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of wheel for rail truck, including the wheel rim being sequentially connected with, wheel rim root, tread with step on
Outside face, its feature is, described tread includes the first tread arc section, the tread being sequentially connected with from beginning to end
Straightway and the second tread arc section；
One end of described first tread arc section is connected with described wheel rim root, described second tread arc section
One end be connected outside described tread, and described first tread arc section, tread straightway and second are stepped on
Arc section all profiles with track in face match.
It is preferred that the radius of described first tread arc section is 538.31mm；
The radius of described second tread arc section is 91.07mm；
Described tread straightway is a horizontal linear, and a length of 9.6mm of described tread straightway.
It is preferred that described wheel rim root includes the first root arc section and the second root being sequentially connected with from beginning to end
Arc section, one end of described first root arc section is connected with described wheel rim, described second root arc section
One end be connected with one end of described first tread arc section, and described first root arc section and second
Arc section all profiles with track in portion's match.
It is preferred that the radius of described first root arc section is 17.19mm, and described second root circular arc
The radius of section is 142.98mm.
It is preferred that described wheel rim include head and the tail be sequentially connected with wheel rim straightway, the first wheel rim arc section,
Second wheel rim arc section and third round edge arc section, and described third round edge arc section and described first root
The other end of arc section is connected.
It is preferred that the radius of described first wheel rim arc section is 24mm；
The radius of described second wheel rim arc section is 12mm；
The radius of described third round edge arc section is 18mm.
It is preferred that include outside interconnective first straight line outside straightway and second outside described tread
Section, and outside described first, one end of straightway is connected with one end of described second tread arc section.
It is preferred that the horizontal length of straightway is outside 29.76mm, and described first outside described first
The horizontal length of side straightway is 16:1 with the ratio of vertical length；
Outside described second the horizontal length of straightway be 5mm, vertical a length of 5mm.
The most progressive effect of the present invention is:
The shape of described wheel rim root and tread can realize accurately mating, when wheel of the profile with track
When lateral displacement is less, the wheel footpath of wheel difference is less, and wheel can be made to keep higher steady on rectilinear orbit
Qualitative, when the lateral displacement of wheel is bigger, the wheel footpath difference of wheel is relatively big, passes through curve track to improve
Time mechanical property, reduce abrasion, and make wheel have preferable contact fatigue property.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wheel for rail truck of presently preferred embodiments of the present invention.
Description of reference numerals:
Wheel rim: 1
Wheel rim root: 2
Tread: 3
Outside tread: 4
The radius of the first wheel rim arc section: R1
The radius of the second wheel rim arc section: R2
The radius of third round edge arc section: R3
The radius of the first root arc section: R4
The radius of the second root arc section: R5
The radius of the first tread arc section: R6
The radius of the second tread arc section: R7
The length of tread straightway: L1
The horizontal length of straightway: L2 outside first
The vertical length of straightway: L3 outside first
The horizontal length of straightway: L4 outside second
The vertical length of straightway: L5 outside second
Detailed description of the invention
Name preferred embodiment, and combine accompanying drawing and become apparent from intactly illustrating the present invention.
In describing the invention, it is to be understood that term " on ", D score, " front ",
" afterwards ", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
" outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to describe the present invention and simplifying describe rather than instruction or the device of hint indication or element must have
Have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
A kind of wheel for rail truck, including the wheel rim being sequentially connected with, wheel rim root, tread with step on
Outside face.
Wherein, the shape of wheel rim root and tread can realize accurately mating of the profile with track, and,
Assuming that tread and track are single-contact, and with wheel relative to track without contact point during transversal displacement
During as the zero O of x-y two-dimensional coordinate system, outside wheel rim, wheel rim root, tread and tread
Coordinate figure in x-y two dimensional surface coordinate system is as shown in table 1 below.
Table 1 coordinate figure
In view of the reality factor such as processing technique and process equipment, on the basis of the coordinate figure shown in table 1,
The wheel curve formed by coordinate figure is fitted, so that the wheel profile after matching is more suitable for processing
Manufacture.
Wheel rim 1 that wheel as it is shown in figure 1, include after matching design is sequentially connected with, wheel rim root 2,
Outside tread 3 and tread 4.
Tread 3 includes the first tread arc section, tread straightway and the second tread circle that head and the tail are sequentially connected with
Segmental arc.One end of first tread arc section is connected with wheel rim root, one end of the second tread arc section with step on
Outside face be connected, and the first tread arc section, tread straightway and the second tread arc section all with track
Profile is mutually matched.
Wherein, the radius R6 of the first tread arc section is 538.31mm, the radius of the second tread arc section
R7 is 91.07mm, and tread straightway is a horizontal linear, and length L1 of tread straightway is 9.6mm.
Wheel rim root 2 includes the first root arc section and the second root arc section being sequentially connected with from beginning to end, and
One end of first root arc section is connected with wheel rim, one end of the second root arc section and the first tread circular arc
One end of section is connected.
Wherein, the radius R4 of the first root arc section is 17.19mm, and the half of the second root arc section
Footpath R5 is 142.98mm.
Wheel rim 1 includes that the wheel rim straightway being sequentially connected with from beginning to end, the first wheel rim arc section, the second wheel rim are justified
Segmental arc and third round edge arc section, and the other end of third round edge arc section and the first root arc section is connected.
Wherein, the radius R1 of the first wheel rim arc section is 24mm, the radius R2 of the second wheel rim arc section
It is 18mm for 12mm, the radius R3 of third round edge arc section.
Outside tread, 4 include outside interconnective first straightway outside straightway and second, and first
One end of straightway, outside is connected with one end of the second tread arc section.
Wherein, outside first, the horizontal length L2 of straightway is straightway outside 29.76mm, and first
The ratio of horizontal length L2 and vertical length L3 be 16:1, the horizontal length of straightway outside second
L4 is 5mm, vertical length L5 is 5mm.
Wheel rim root 2 in above-mentioned wheel and the shape of tread 3 can realize accurate of the profile with track
Joining, when the lateral displacement of wheel is less, the wheel footpath difference of wheel is less, can make wheel on rectilinear orbit
Keeping higher stability, when the lateral displacement of wheel is bigger, the wheel footpath difference of wheel is relatively big, to improve
By mechanical property during curve track, reduce abrasion, make wheel have preferable contact fatigue property.
Although the foregoing describing the detailed description of the invention of the present invention, but those skilled in the art should managing
Solving, this is merely illustrative of, and protection scope of the present invention is defined by the appended claims.Ability
The technical staff in territory, can be to these embodiments on the premise of without departing substantially from the principle of the present invention and essence
Make various changes or modifications, but these changes and amendment each fall within protection scope of the present invention.
Claims (8)
1. for a wheel for rail truck, including the wheel rim being sequentially connected with, wheel rim root, tread
Outside tread, it is characterised in that described tread include head and the tail be sequentially connected with the first tread arc section,
Tread straightway and the second tread arc section；
One end of described first tread arc section is connected with described wheel rim root, described second tread arc section
One end be connected outside described tread, and described first tread arc section, tread straightway and second are stepped on
Arc section all profiles with track in face match.
Wheel for rail truck the most according to claim 1, it is characterised in that described
The radius of one tread arc section is 538.31mm；
The radius of described second tread arc section is 91.07mm；
Described tread straightway is a horizontal linear, and a length of 9.6mm of described tread straightway.
Wheel for rail truck the most according to claim 1, it is characterised in that described take turns
Edge root includes the first root arc section of being sequentially connected with of head and the tail and the second root arc section, described first
One end of portion's arc section is connected with described wheel rim, and one end of described second root arc section is stepped on described first
One end of face arc section be connected, and described first root arc section and the second root arc section all with track
Profile matches.
Wheel for rail truck the most according to claim 3, it is characterised in that described
The radius of one root arc section is 17.19mm, and the radius of described second root arc section is
142.98mm。
Wheel for rail truck the most according to claim 3, it is characterised in that described take turns
Edge includes wheel rim straightway, the first wheel rim arc section, the second wheel rim arc section and that head and the tail are sequentially connected with
Three wheel rim arc sections, and described third round edge arc section is connected with the other end of described first root arc section.
Wheel for rail truck the most according to claim 5, it is characterised in that described
The radius of one wheel rim arc section is 24mm；
The radius of described second wheel rim arc section is 12mm；
The radius of described third round edge arc section is 18mm.
7., according to the wheel for rail truck according to any one of claim 1-6, its feature exists
In, include outside interconnective first straightway outside straightway and second, and institute outside described tread
State one end of straightway outside first to be connected with one end of described second tread arc section.
Wheel for rail truck the most according to claim 7, it is characterised in that described
Outside one, the horizontal length of straightway is the horizontal length of straightway outside 29.76mm, and described first
It is 16:1 with the ratio of vertical length；
Outside described second the horizontal length of straightway be 5mm, vertical a length of 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392431.1A CN106314020A (en) | 2015-07-06 | 2015-07-06 | Wheel for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392431.1A CN106314020A (en) | 2015-07-06 | 2015-07-06 | Wheel for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106314020A true CN106314020A (en) | 2017-01-11 |
Family
ID=57727275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510392431.1A Pending CN106314020A (en) | 2015-07-06 | 2015-07-06 | Wheel for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106314020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484429A (en) * | 2018-12-03 | 2019-03-19 | 中车长春轨道客车股份有限公司 | A kind of novel high speed wheel tread structure suitable for extremely frigid zones broad gauge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549343A (en) * | 1994-08-10 | 1996-08-27 | Blazer; Dorman S. | Train tire profile |
| JP2007145224A (en) * | 2005-11-29 | 2007-06-14 | East Japan Railway Co | Wheel for railway rolling stock and its designing method |
| CN201712629U (en) * | 2010-07-15 | 2011-01-19 | 大连交通大学 | Lubricated wheel flange and tread used for railway vehicles |
| CN102582357A (en) * | 2012-02-01 | 2012-07-18 | 长春轨道客车股份有限公司 | Economical turning repair wheel |
| CN204870335U (en) * | 2015-07-06 | 2015-12-16 | 上海申通地铁集团有限公司 | A wheel for railway vehicle |
-
2015
- 2015-07-06 CN CN201510392431.1A patent/CN106314020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549343A (en) * | 1994-08-10 | 1996-08-27 | Blazer; Dorman S. | Train tire profile |
| JP2007145224A (en) * | 2005-11-29 | 2007-06-14 | East Japan Railway Co | Wheel for railway rolling stock and its designing method |
| CN201712629U (en) * | 2010-07-15 | 2011-01-19 | 大连交通大学 | Lubricated wheel flange and tread used for railway vehicles |
| CN102582357A (en) * | 2012-02-01 | 2012-07-18 | 长春轨道客车股份有限公司 | Economical turning repair wheel |
| CN204870335U (en) * | 2015-07-06 | 2015-12-16 | 上海申通地铁集团有限公司 | A wheel for railway vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484429A (en) * | 2018-12-03 | 2019-03-19 | 中车长春轨道客车股份有限公司 | A kind of novel high speed wheel tread structure suitable for extremely frigid zones broad gauge |
| CN109484429B (en) * | 2018-12-03 | 2021-11-23 | 中车长春轨道客车股份有限公司 | High-speed wheel tread structure suitable for wide rail in alpine region |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |