CN109572740A - Variable rail gauge Axle and rail vehicle - Google Patents
Variable rail gauge Axle and rail vehicle Download PDFInfo
- Publication number
- CN109572740A CN109572740A CN201811214059.5A CN201811214059A CN109572740A CN 109572740 A CN109572740 A CN 109572740A CN 201811214059 A CN201811214059 A CN 201811214059A CN 109572740 A CN109572740 A CN 109572740A
- Authority
- CN
- China
- Prior art keywords
- axle
- hollow sleeve
- bearing
- rail gauge
- variable rail
- 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
- 230000007246 mechanism Effects 0.000 claims description 41
- 238000005299 abrasion Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 6
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
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
- B61F7/00—Rail vehicles equipped for use on tracks of different width
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of variable rail gauge Axles and rail vehicle for rail vehicle.The variable rail gauge Axle includes axle, the wheel being supported on axle, the bearing for being set in axle both ends and the hollow sleeve for being set in axle radial outside, wheel is fixedly set on the outside of hollow sleeve, wherein, bearing is axially fixed to the both ends of axle, hollow sleeve can move axially between bearing along axle, and can be fixed at the first position close to bearing with the second place far from bearing.Variable rail gauge Axle of the invention and rail vehicle can reduce the abrasion of bearing and be easily installed and safeguard.
Description
Technical field
The present invention relates to the technical fields of rail vehicle.In particular it relates to a kind of variable rail gauge Axle and
Rail vehicle including this variable rail gauge Axle.
Background technique
The gauge of railway refers to the distance between two wheels on same root axle.In current variable rail gauge railway locomotive
In, usually the bearing of vehicle body will be supported to be fixed in hollow sleeve, when train becomes rail, driving mechanism pushes hollow sleeve band dynamic bearing
It moves axially together, to realize that train becomes rail, this variable rail gauge Axle for example sees 107650937 A of CN.But
In some cases, the change rail span of train is larger, for example, from Chinese Industrial Standards (CIS) gauge (1435mm) to Thailand's narrow gauge
Need to design the variable rail gauge train of relatively large span of the gauge from 1435mm to 1000mm in (1000mm) high-speed railway locomotive, this
When active position due to vehicle body load relative to axle will not change during becoming rail, be not suitable for above-mentioned cloth
Set mode.It is directed to the problem, supports vehicle body using two bearings being arranged side by side in some technical solutions, therefore cause
It is not loaded and skid that train keeps having a bearing when a certain gauge, in turn results in the Fast Wearing of bearing, and not
It is easy to disassemble.
Therefore, the technical problem to be solved in the invention is to provide one kind and can reduce the abrasion of bearing and be easily installed
With the variable rail gauge Axle and rail vehicle of maintenance.
Summary of the invention
Above-mentioned technical problem is resolved by a kind of variable rail gauge Axle according to the present invention.The variable rail gauge
Axle includes axle, the wheel being supported on axle, the bearing for being set in axle both ends and is set in axle radial outside
Hollow sleeve, wheel is fixedly set on the outside of hollow sleeve, wherein bearing is axially fixed to the both ends of axle, hollow sleeve energy
It is enough to be moved axially between bearing along axle, and can be at the first position close to bearing and the second place far from bearing
It is fixed.Bearing and hollow sleeve decouple and are directly anchored to axle both ends, and hollow sleeve moves axially to realize and become together with wheel
Rail, so as to keep vehicle body load consistent with bearing axis, bearing will not generate slipping phenomenon, reduce bearing wear,
A bearing can be only arranged in one end of each axle simultaneously, save cost.In addition, since bearing is directly set in axle
On, therefore can reduce the average diameter of bearing, improve the revolving speed of axle and the speed of service of train.
According to a preferred embodiment of the present invention, the radial outside of axle and the radially inner side of hollow sleeve are respectively formed with
Mutually matched screw thread, hollow sleeve and wheel are moved axially by being threadedly engaged along axle.When rail vehicle is in different gauges
On transition track between railway section when driving, track applies axial power to wheel, and then by between hollow sleeve and axle
Be threadedly engaged and make wheel that hollow sleeve be driven to be axially moveable while rotation relative to axle, thus in vehicle travel process
In change wheel gauge automatically.Preferably, which can be designed as trapezoidal thread, i.e. the cross section of screw thread is trapezoidal.It is trapezoidal
Screw thread radial bearing strength with higher, heavier load easy to support.
According to another preferred embodiment of the invention, the variable rail gauge Axle further include for by hollow sleeve relative to
Retaining mechanism of the axle along axial locking.Preferably, which includes the first retaining mechanism and the second retaining mechanism,
In, hollow sleeve is locked at first position by the first retaining mechanism, and hollow sleeve is locked at the second place by the second retaining mechanism.
Retaining mechanism can axial movement with locking wheel relative to axle, the gauge needed for keeping Axle.Further preferably
Ground, the retaining mechanism can be click-on mechanism.Correspondingly, the radial outside of hollow sleeve is formed with the annular with click-on mechanism cooperation
Groove.When retaining mechanism locking, claw is caught in the corresponding recesses of hollow sleeve, so that relative to axle axis can not occur for wheel
To displacement.
According to another preferred embodiment of the invention, screw thread extends between the first retaining mechanism and the second retaining mechanism.
The movement of screw thread guidance wheel between first retaining mechanism and the second retaining mechanism, also defines the axial movement model of wheel
It encloses.
According to another preferred embodiment of the invention, wheel is cooperated or is interference fitted by shape and is fixed in hollow sleeve.
Simply and effectively realize the common movement of wheel and hollow sleeve in this fixation side.
Above-mentioned technical problem is also resolved by a kind of rail vehicle according to the present invention, which includes tool
There is the variable rail gauge Axle of features described above.
Detailed description of the invention
The present invention is further described below in conjunction with attached drawing.The identical member of function is represented with identical appended drawing reference in figure
Part.Wherein:
Fig. 1 is the main view of the variable rail gauge Axle of embodiment according to the present invention；
Fig. 2 is the cross-sectional view of the variable rail gauge Axle of embodiment according to the present invention；With
Fig. 3 is the perspective view of the variable rail gauge Axle of embodiment according to the present invention.
Specific embodiment
The specific embodiment of variable rail gauge Axle according to the present invention is described below with reference to attached drawing.Following is detailed
Thin description and attached drawing are for illustratively illustrating the principle of the present invention, and the present invention is not limited to described preferred embodiment, this hairs
Bright protection scope is defined by the claims.
The main view of the variable rail gauge Axle of embodiment according to the present invention, cross-sectional view and vertical is shown respectively in Fig. 1-3
Body figure.As depicted in figs. 1 and 2, Axle includes axle 1, the other component of Axle be mounted on axle 1 and along
The axially symmetric distribution of axle 1.Dynamic input magazine 7 is installed, power input magazine 7 is axle at the axial centre position of axle 1
System provides driving force.On axle 1 at the position of two close end, it respectively symmetrically is arranged with a bearing 2, bearing 2 is opposite
It is axially fixed in axle 1, the vehicle body of rail vehicle is supported on axle 1 by bearing 2, that is, the vehicle body load of rail vehicle
It is applied at the position of bearing 2 on axle 1.
On one section of axle 1 between each wheel 4 and power input magazine 7, it is formed with one section of screw thread 8, as shown in Figure 2,
The cross section of these screw threads 8 is preferably trapezoidal, can have higher radial load ability.Hollow sleeve 5 is set in the shape of axle 1
At on the part for having screw thread 8, it is preferably trapezoidal internal screw thread that the radially inner side of hollow sleeve 5 is also formed with accordingly, so as to
It is threadedly engaged with the composition of axle 1.Wheel 4 is set in the radial outside of hollow sleeve 5, and the side for cooperating or being interference fitted by shape
Formula is fixedly connected with hollow sleeve 5.A retaining mechanism is respectively arranged on the outside of the both ends of screw thread 8, wherein the first retaining mechanism
3 is, close to the outer locking mechanism of bearing 2, the second retaining mechanism 6 are the internal locking mechanism close to power input magazine 7.In this implementation
In example, these retaining mechanisms are click-on mechanism.Correspondingly, a plurality of annular groove 9 is formed on the radial outside of hollow sleeve 5,
The axially distributed two sides in wheel 4 of these annular grooves 9, wherein the claw of the first retaining mechanism 3 can be caught in positioned at wheel 4
In axially external annular groove 9, so that hollow sleeve 5 and wheel 4 are locked at the biggish first position of gauge, and second locks
The claw of mechanism 6 can be caught in the annular groove 9 of 4 axially inner side of wheel, so that hollow sleeve 5 and wheel 4 are locked at
The lesser second position of gauge.Each claw is schematically shown as tool there are two tooth in figure, each hollow sleeve 5 is in wheel
Axial side is respectively provided with two parallel annular grooves 9, but the quantity of the tooth of claw, claw and annular groove 9 can basis
Actual needs is set as other quantity, as long as corresponding to each other.In addition, retaining mechanism may be designed in by other means
The mechanism of axial locking hollow sleeve 5, the present invention are without limitation.
When the transition track section between the orbital segment that rail vehicle drives into different gauges, the gauge of track is from the first gauge
Be gradually varied to the second gauge, at this time retaining mechanism discharge, two wheels 4 while being rolled on the track of gradual change, due to by
To track axial thrust and moved axially by being threadedly engaged between hollow sleeve 5 and axle 1.Therefore, before vehicle
Into while, gauge also changes.When two wheels 4 reach the position of the second gauge, corresponding retaining mechanism starting will
Wheel 4 is locked at the second gauge position, to realize the change rail of vehicle.
The variable rail gauge Axle and rail vehicle of embodiment according to the present invention, can be real while vehicle advances
Now become rail, it is convenient and efficient.And when vehicle becomes rail, the axial position of bearing is constant, therefore bearing zero load skidding will not occur
The case where, reduce bearing loss.Bearing is directly set on axle, can also reduce the average diameter of bearing, convenient for improving
The revolving speed of axle and the travel speed of vehicle.Further, since bearing is arranged in the outermost end of axle, therefore easy to disassemble and replacement
Bearing, easy maintenance.
Although being illustratively described possible embodiment in the above description it should be appreciated that arrive, still through institute
With the presence of the variation of technical characteristic known and that furthermore technical staff is readily apparent that and a large amount of embodiments of combination of embodiment.
Furthermore it should also be understood that illustrative embodiment is as just an example, this embodiment never limits in any form
Protection scope of the present invention, application and construction processed.It is more that one kind is provided to technical staff for converting by preceding description
The technological guidance of at least one illustrative embodiments, wherein, can be into without departing from the protection scope of claims
Row various changes, especially with respect to the component function and structure in terms of change.
Appended drawing reference table
1 axle
2 bearings
3 first retaining mechanisms
4 wheels
5 hollow sleeves
6 second retaining mechanisms
7 power input magazines
8 screw threads
9 annular grooves
Claims (10)
1. a kind of variable rail gauge Axle for rail vehicle comprising axle (1) is supported on the axle (1)
Wheel (4), the bearing (2) for being set in the axle (1) both ends and the hollow sleeve (5) for being set in the axle (1) radial outside,
Wherein, the wheel (4) is fixedly set on the outside of the hollow sleeve (5),
It is characterized in that,
The bearing (2) is axially fixed to the both ends of the axle (1), and the hollow sleeve (5) can exist along the axle (1)
It is moved axially between the bearing (2), and can be at the first position close to the bearing (2) and far from the bearing (2)
The second place be fixed.
2. variable rail gauge Axle according to claim 1, which is characterized in that the radial outside of the axle (1) and
The radially inner side of the hollow sleeve (5) is respectively formed with mutually matched screw thread (8), the hollow sleeve (5) and the wheel (4)
It is moved axially by being threadedly engaged along the axle (1).
3. variable rail gauge Axle according to claim 2, which is characterized in that the screw thread (8) is trapezoidal thread.
4. variable rail gauge Axle according to claim 2, which is characterized in that the variable rail gauge Axle also wraps
It includes for the retaining mechanism by the hollow sleeve (5) relative to the axle (1) along axial locking.
5. variable rail gauge Axle according to claim 4, which is characterized in that the retaining mechanism includes the first locking
Mechanism (3) and the second retaining mechanism (6), wherein the hollow sleeve (5) is locked at described by first retaining mechanism (3)
At one position, the hollow sleeve (5) is locked at the second place by second retaining mechanism (6).
6. variable rail gauge Axle according to claim 4, which is characterized in that the retaining mechanism is click-on mechanism.
7. variable rail gauge Axle according to claim 6, which is characterized in that be formed on the outside of the hollow sleeve (5)
With the annular groove (9) of click-on mechanism cooperation.
8. variable rail gauge Axle according to claim 5, which is characterized in that the screw thread (8) is in first lock
Extend between tight mechanism (3) and second retaining mechanism (6).
9. according to claim 1 to variable rail gauge Axle described in one of 8, which is characterized in that the wheel (4) passes through shape
Shape cooperation or interference fit are fixed on the hollow sleeve (5).
10. a kind of rail vehicle comprising according to claim 1 to variable rail gauge Axle described in one of 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214059.5A CN109572740B (en) | 2018-10-18 | Variable gauge axle system and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214059.5A CN109572740B (en) | 2018-10-18 | Variable gauge axle system and rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572740A true CN109572740A (en) | 2019-04-05 |
| CN109572740B CN109572740B (en) | 2024-06-21 |
Family
ID=
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137319A (en) * | 2019-11-12 | 2020-05-12 | 中车株洲电力机车有限公司 | Wheel shaft assembly of variable-gauge bogie |
| CN111806502A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Wheel mounting shaft sleeve for track-variable wheel set and track-variable wheel set |
| CN111806495A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Outer sleeve for track-pitch-variable wheel pair, track-pitch-variable wheel pair and railway vehicle |
| CN111806500A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Axle for track-gauge-variable wheel set and track-gauge-variable wheel set |
| EP4056447A4 (en) * | 2020-07-28 | 2023-07-05 | CRRC Qingdao Sifang Co., Ltd. | Gauge-variable wheelset and rail vehicle |
| RU2808024C1 (en) * | 2020-07-28 | 2023-11-22 | СиЭрЭрСи ЦИНДАО СЫФАН КО., ЛТД. | Axle for use with variable wheelset and variable wheelset |
Citations (11)
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|---|---|---|---|---|
| JPH09109633A (en) * | 1995-09-13 | 1997-04-28 | Walter Schneider Gmbh & Co Kg | Guidance apparatus for multiway car |
| JPH09301169A (en) * | 1996-05-21 | 1997-11-25 | Nippon Tetsudo Kensetsu Kodan | Gauge variable truck for rolling stock |
| CN2918112Y (en) * | 2006-04-28 | 2007-07-04 | 吕增瑞 | Wheel gauge regulator |
| CN104494366A (en) * | 2014-12-17 | 2015-04-08 | 常州市瑞泰工程机械有限公司 | Drive axle gearbox wheel set for large railway maintenance machinery |
| CN204549838U (en) * | 2014-09-04 | 2015-08-12 | 山东莱芜煤矿机械有限公司 | The incorgruous automatic change rail winch of a kind of pin tooth screw-driven |
| CN204823039U (en) * | 2015-07-29 | 2015-12-02 | 贵州万山兴隆锰业有限公司 | Manganese ores transport vechicle with adjustable wheel interval |
| CN205554260U (en) * | 2016-04-27 | 2016-09-07 | 西华大学 | Handcart of adjustable round of interval |
| CN107650937A (en) * | 2017-09-01 | 2018-02-02 | 西南交通大学 | A kind of gauge changing method |
| CN107757648A (en) * | 2017-11-23 | 2018-03-06 | 中车长春轨道客车股份有限公司 | The EMU carrying wheel set axle box device of quasi- arrow gauge conversion |
| CN108454320A (en) * | 2018-05-11 | 2018-08-28 | 吉林大学 | A kind of end face driving centering locking integral type gauge-changeable bogie gauge changing device |
| CN108583609A (en) * | 2018-04-13 | 2018-09-28 | 中车青岛四方机车车辆股份有限公司 | A kind of retaining mechanism for gauge-changeable wheelsets |
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09109633A (en) * | 1995-09-13 | 1997-04-28 | Walter Schneider Gmbh & Co Kg | Guidance apparatus for multiway car |
| JPH09301169A (en) * | 1996-05-21 | 1997-11-25 | Nippon Tetsudo Kensetsu Kodan | Gauge variable truck for rolling stock |
| CN2918112Y (en) * | 2006-04-28 | 2007-07-04 | 吕增瑞 | Wheel gauge regulator |
| CN204549838U (en) * | 2014-09-04 | 2015-08-12 | 山东莱芜煤矿机械有限公司 | The incorgruous automatic change rail winch of a kind of pin tooth screw-driven |
| CN104494366A (en) * | 2014-12-17 | 2015-04-08 | 常州市瑞泰工程机械有限公司 | Drive axle gearbox wheel set for large railway maintenance machinery |
| CN204823039U (en) * | 2015-07-29 | 2015-12-02 | 贵州万山兴隆锰业有限公司 | Manganese ores transport vechicle with adjustable wheel interval |
| CN205554260U (en) * | 2016-04-27 | 2016-09-07 | 西华大学 | Handcart of adjustable round of interval |
| CN107650937A (en) * | 2017-09-01 | 2018-02-02 | 西南交通大学 | A kind of gauge changing method |
| CN107757648A (en) * | 2017-11-23 | 2018-03-06 | 中车长春轨道客车股份有限公司 | The EMU carrying wheel set axle box device of quasi- arrow gauge conversion |
| CN108583609A (en) * | 2018-04-13 | 2018-09-28 | 中车青岛四方机车车辆股份有限公司 | A kind of retaining mechanism for gauge-changeable wheelsets |
| CN108454320A (en) * | 2018-05-11 | 2018-08-28 | 吉林大学 | A kind of end face driving centering locking integral type gauge-changeable bogie gauge changing device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137319A (en) * | 2019-11-12 | 2020-05-12 | 中车株洲电力机车有限公司 | Wheel shaft assembly of variable-gauge bogie |
| CN111806502A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Wheel mounting shaft sleeve for track-variable wheel set and track-variable wheel set |
| CN111806495A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Outer sleeve for track-pitch-variable wheel pair, track-pitch-variable wheel pair and railway vehicle |
| CN111806500A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Axle for track-gauge-variable wheel set and track-gauge-variable wheel set |
| CN111806495B (en) * | 2020-07-28 | 2021-08-24 | 中车青岛四方机车车辆股份有限公司 | Variable gauge wheel pair and railway vehicle |
| WO2022021842A1 (en) * | 2020-07-28 | 2022-02-03 | 中车青岛四方机车车辆股份有限公司 | Axle for use in gauge-changeable wheel set, and gauge-changeable wheel set |
| CN111806500B (en) * | 2020-07-28 | 2022-02-15 | 中车青岛四方机车车辆股份有限公司 | Axle for track-gauge-variable wheel set and track-gauge-variable wheel set |
| EP4056447A4 (en) * | 2020-07-28 | 2023-07-05 | CRRC Qingdao Sifang Co., Ltd. | Gauge-variable wheelset and rail vehicle |
| RU2808024C1 (en) * | 2020-07-28 | 2023-11-22 | СиЭрЭрСи ЦИНДАО СЫФАН КО., ЛТД. | Axle for use with variable wheelset and variable wheelset |
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