CN108909360A - A kind of retaining mechanism and gauge-changeable wheelsets for gauge-changeable wheelsets - Google Patents
A kind of retaining mechanism and gauge-changeable wheelsets for gauge-changeable wheelsets Download PDFInfo
- Publication number
- CN108909360A CN108909360A CN201810732191.9A CN201810732191A CN108909360A CN 108909360 A CN108909360 A CN 108909360A CN 201810732191 A CN201810732191 A CN 201810732191A CN 108909360 A CN108909360 A CN 108909360A
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- Prior art keywords
- gauge
- locking
- wheel
- retaining mechanism
- bearing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to rail vehicle gauge changing fields, disclose a kind of retaining mechanism for gauge-changeable wheelsets comprising bearing outside and check lock lever, the inner circumferential of the bearing outside are equipped with locking working face；The locking working face is equipped with multiple inner grooves along its axially spaced-apart, and is equipped with the sliding groove axially through multiple inner grooves, and the check lock lever includes locking head and unlocking head, and the locking head realizes locking for being caught in the inner groove；The unlocking head extends the sliding groove, and the locking head can be made to leave the inner groove at place under external force, realizes unlock.The invention also discloses a kind of gauge-changeable wheelsets.The present invention can be reliably achieved locking and unlocking, easy to operate, so as to convenience, be reliably achieved train gauge changing.
Description
Technical field
The present invention relates to rail vehicle gauge changing field, more particularly to a kind of retaining mechanism for gauge-changeable wheelsets and
Gauge-changeable wheelsets.
Background technique
With the rapid development of global economic integration, transnational passenger and freight transportation rapid development in recent years, however by
It is different in the gauge of various countries' railway, so that the railway transportation to transnational causes serious obstruction.In order to solve various countries' railway
Gauge difference causes the problem of hindering to transnational railway transportation, the bogie of gauge changing is proposed to this, i.e., when train row
When sailing on the railway of its state, by changing itself wheel to the spacing between upper wheel, to adapt to the gauge of its state's railway.
During train gauge changing, same wheel can be realized vehicle to relative motion can occur between upper wheel
It is most important to take turns the retaining mechanism converted between different gauges.However, in existing gauge change train structure, retaining mechanism knot
Structure is complicated, cumbersome, poor reliability, the case where can not normally locking and unlocking often occurs, and becomes and hinders gauge changing column
The restraining factors of vehicle development.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide a kind of retaining mechanisms and gauge-changeable wheelsets for gauge-changeable wheelsets, can be reliably
It realizes and locks and unlocks, it is easy to operate, so as to convenience, it has been reliably achieved train gauge changing.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of retaining mechanisms for gauge-changeable wheelsets comprising axis
Housing and check lock lever are held, the inner circumferential of the bearing outside is equipped with locking working face；
The locking working face is equipped with multiple inner grooves along its axially spaced-apart, and is equipped with axially through multiple inner grooves
Sliding groove, the check lock lever includes locking head and unlocking head, and the locking head realizes lock for being caught in the inner groove
Tightly；The unlocking head extends the sliding groove, and can make under external force the locking head leave where inner groove,
Realize unlock.
Wherein, the inner circumferential of the bearing outside is equipped with circular orientation boss, and the circular orientation boss will be outside the bearing
The inner peripheral surface of set is divided into press fitting working face and the locking working face；
The retaining mechanism further includes bearing assembly and connector sleeve, and the inner ring of the bearing assembly is fitted in the connector sleeve
Periphery, the outer ring of the bearing assembly is fitted in the press fitting working face；The connector sleeve is used on the outside of the wheel hub with wheel
It is fixedly connected.
Wherein, the retaining mechanism is mounted on the axle of the lateral wheel by the connector sleeve, and is located at described
In the axle box at axle both ends；The bearing outside and the axle box clearance fit.
Wherein, the wheel hub of the connector sleeve and the wheel is integrally formed.
Wherein, the check lock lever includes the body of rod, and one end of the body of rod is equipped with arc section and forms the locking head, the solution
Tapered end is set to the other end of the body of rod, and radian and width and the inner groove of the arc section match；The axle box
Bottom be equipped with matching hole corresponding with the sliding groove, the body of rod is successively pierced by from the sliding groove and matching hole, institute
It states the body of rod and is equipped with spring bearing platform, be arranged with locking bullet between the spring bearing platform and the axle box on the body of rod
Spring.
Wherein, the sliding groove is square with the matching hole, and width is equal to the width of the body of rod.
Wherein, the arc section is one third circular arc；The unlocking head is T-type tapered end.
Wherein, the bearing assembly includes bearing, end ring and sealing ring, and the both ends of the bearing are respectively equipped with described
End ring, is respectively equipped with the sealing ring between the end ring and the both ends of the bearing, and the bearing assembly
One end is against the circular orientation boss；The outer end that the bearing outside is located at the press fitting working face is equipped with limit stop ring.
Wherein, the inner groove includes two, and the distance between two described inner grooves are equal to the half of required gauge changing.
The present invention also provides a kind of gauge-changeable wheelsets, including wheel, axle and retaining mechanism described above, the locking
Mechanism is fitted in the hub periphery of the wheel respectively, and is located in the axle box at the axle both ends, and the retaining mechanism is used
In the drive wheel along the axial movement or locking of the axle box, to realize that wheel converts gauge.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages that：
A kind of retaining mechanism for gauge-changeable wheelsets provided by the invention passes through setting bearing outside and check lock lever, institute
The inner circumferential for stating bearing outside is equipped with locking working face；The locking working face is equipped with multiple inner grooves along its axially spaced-apart, and sets
There is the sliding groove axially through multiple inner grooves, the check lock lever includes locking head and unlocking head, and the locking head is used for
It is caught in the inner groove, realizes locking；The unlocking head extends the sliding groove, and can make under external force described
Locking head leaves the inner groove at place, realizes unlock.The locking mechanism structure is simple, can it is easy, be reliably achieved unlock and
Locking, provides reliable guarantee for wheel gauge changing.
A kind of gauge-changeable wheelsets provided by the invention, axial movement or lock by retaining mechanism with motor car wheel along axle
Tightly, to realize that wheel converts gauge, to adapt to different gauge changing demands.
Detailed description of the invention
Fig. 1 is a kind of axial schematic cross-sectional view of gauge-changeable wheelsets of the present invention；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the structural schematic diagram of the bearing outside in the present invention；
Fig. 4 is the structural schematic diagram of the check lock lever in the present invention；
In figure：1：Wheel；11：Connector sleeve；2：Axle；3：Axle box；4：Bearing outside；41：Circular orientation boss；42：
Inner groove；43：Sliding groove；44：Lock working face；45：It is pressed working face；5：Bearing assembly；6：Check lock lever；61：The body of rod；62：
Spring bearing platform；63：Locking spring；64：Locking head；65：Unlocking head.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
The embodiment of the invention provides a kind of retaining mechanisms for gauge-changeable wheelsets mainly to include as shown in Figs. 1-2
Bearing outside 4, check lock lever 6, bearing assembly 5 and connector sleeve 11 are determined as shown in figure 3, the inner circumferential of the bearing outside 4 is equipped with annular
The inner peripheral surface of the bearing outside 4 is divided into press fitting working face 45 and locking work by position boss 41, the circular orientation boss 41
Make face 44；
The inner ring of the bearing assembly 5 is fitted in the periphery of the connector sleeve 11, and the outer ring of the bearing assembly 5 is fitted in
The press fitting working face 45, the connector sleeve 11 are used for and are fixedly connected on the outside of the wheel hub of wheel 1, thus realize retaining mechanism with
Wheel 1 connects；The locking working face 44 is equipped with multiple inner grooves 42 along its axially spaced-apart, and is equipped with axially through multiple described
The sliding groove 43 of inner groove 42, as shown in figure 4, the check lock lever 6 includes locking head 64 and unlocking head 65, the locking head 64 is used
In being caught in the inner groove 42, locking is realized；The unlocking head 65 extends the sliding groove 43, and can be under external force
So that the locking head 64 leaves the inner groove 42 at place, unlock is realized；Specifically, before gauge changing, wheel 1 is always maintained at
Locking state, the unlocking head 65 extends the sliding groove 43, and when needing gauge changing, unlocking head 65 is preferably upward in external force
Thrust under move up so that the locking head 64 leave where inner groove 42, at this time to wheel 1 apply outward or
Inside thrust, so that wheel 1, bearing assembly 5 and 4 entirety of bearing outside move in or out, the institute in moving process
It is mobile relative to check lock lever 6 to state sliding groove 43 and matching hole, when reaching another inner groove 42, external force revocation, locking head
64 declines, which are caught in again in corresponding inner groove 42, realizes locking, ensure that locking head 64 is cut between multiple inner grooves 42
It changes, so that completing wheel 1 converts gauge, structure is simple, easy to operate.
Specifically, the retaining mechanism is mounted on the axle 2 in 1 outside of wheel by the connector sleeve 11, and position
In the axle box 3 at 2 both ends of axle；The bearing outside 4 and 3 clearance fit of axle box, to by wheel 1, connect
Female connector 11, bearing assembly 5 and bearing outside 4 are fastened together, integrally can be mobile relative to axle box 3.In order to protect
Enough intensity is demonstrate,proved, the wheel hub of the connector sleeve 11 and the wheel 1 is integrally formed, and forms the wheel hub of lengthening.The wheel hub of wheel 1
Inner circumferential and/or the inner circumferential of the connector sleeve 11 are equipped with internal spline, it can only in the wheel hub inner circumferential setting internal spline of wheel 1 or only
In the inner circumferential of connector sleeve 11, internal spline is set, it can also be in the wheel hub inner circumferential of wheel 1 and the inner circumferential of connector sleeve 11 be arranged simultaneously
Spline in the present embodiment, for the ease of setting, is preferably arranged simultaneously in the wheel hub inner circumferential of wheel 1 and the inner circumferential of connector sleeve 11 and passes through
The internal spline both worn, the both ends of the axle 2 are respectively equipped with the external splines to match with the internal spline, the wheel 1 with
The axle 2 is connect by the internal spline with external splines, and the torque for rotating axle 2 passes to two sides wheel 1, also just
It is slided in wheel 1 along axle 2, it is preferable that external splines is set in 1 mounting base of wheel, and the length of 1 mounting base of wheel is greater than lengthening
Hub length, lengthen distance be equal to gauge changing half；The locking assembly is fitted in the connector sleeve 11 of the wheel 1 respectively
Periphery, and be located at 2 both ends of axle axle box 3 in, locking assembly is respectively arranged in the outside axle box 3 of wheel 1,
The axle 2 of 1 inboard portion of wheel is consistent with traditional axle 2, on the one hand for be mounted on 1 inside axle 2 of wheel motor,
There are enough design spaces for the components such as gear-box, on the other hand can be consistent with the interface of existing vehicle, are convenient for existing vehicle
Batch is transformed, and the locking assembly is for driving the wheel 1 along the axial movement or locking of the axle box 3, to realize vehicle
1 transformation gauge of wheel, to adapt to different gauge changing demands.
Specifically, the check lock lever 6 includes the body of rod 61, and one end of the body of rod 61 is equipped with arc section and forms the locking head
64, the arc section is preferably one third circular arc, and the arc section is located in the bearing outside 4, radian and width with
The inner groove 42 matches, and in order to the inner surface perfect matching with inner groove 42, the unlocking head 65 is set to the body of rod
61 other end, the radian and width of the arc section match with the inner groove 42；The bottom of the axle box 3 be equipped with
The corresponding matching hole of the sliding groove 43, the body of rod 61 are successively pierced by from the sliding groove 43 and matching hole, the body of rod
61 are equipped with spring bearing platform 62, are arranged with locking between the spring bearing platform 62 and the axle box 3 on the body of rod 61
Spring 63.One end of locking spring 63 and the lower end of axle box 3 against, the upper surface of the other end and spring bearing platform 62 against；?
When 1 locking state of wheel, locking spring 63 is in nature pre-compressed state, by the spring force locking head 64 is clamped on pair
In the inner groove 42 answered, realize that wheel 1 is locked, when wheel 1 needs to unlock, unlocking head 65 is by upward active force, at this time
The body of rod 61 compresses locking spring 63 and rises, so that locking head 64 leaves inner groove 42, applies outwardly or inwardly to wheel 1 at this time
Thrust, when wheel 1 is moved to 42 position of inner groove of corresponding gauge, cancel unlocking head 65 upward active force and stop vehicle
The thrust of wheel 1 outwardly or inwardly, at this point, locking spring 63 moves down under spring force, to drive the body of rod 61 downward
It is mobile, so that locking head 64 is caught in the inner groove 42 after gauge changing, locks again, complete gauge changing.
Wherein, the sliding groove 43 is square with the matching hole, and width is equal to the width of the body of rod 61, so that
The body of rod 61 can only be moved along sliding groove 43 and the matching hole length direction, and width direction does not move, to guarantee to solve
Lock and the not lateral shaking of locking rear wheel 1 and axle box 3.The length of sliding groove 43 and the matching hole is equal to institute's gauge changing
Half add two check lock levers 6 thickness.In the embodiment of the present invention, in order to guarantee that axle box 3 has enough wearabilities,
The axle box loading end that setting thickeies in the bottom of axle box 3.
For the ease of unlock, the unlocking head 65 is set as T-type tapered end, can also be located at central shaft in T-type tapered end
The two sides of line are respectively set to acclivitous guiding surface, use convenient for unlock.
Wherein, it is preferably double row tapered roller bearing, end ring and sealing ring, institute that the bearing assembly 5, which includes bearing,
The both ends for stating bearing are respectively equipped with the end ring, are respectively equipped between the end ring and the both ends of the bearing described
Sealing ring, and one end of the bearing assembly 5 is against the circular orientation boss 41；Preferably, the sealing means of sealing ring are adopted
With labyrinth seal, labyrinth seal is also named labyrinth seal, is realized by the same small―gap suture-complications air path in setting labyrinth
's；3 inner seal of axle box：Bearing inner shield ring is fixed on 1 wheel shaft mating surface of wheel, and the outer retaining ring of bearing is fixed on bearing outside 4
On, labyrinth seal is provided between bearing internal external retaining ring；Axle box outer side seal：Qu Lu is arranged in bearing inner shield ring and bearing outside 4
Sealing.Pure labyrinth seal is not provided with rubber seal, if being unsatisfactory for seal request, corresponding rubber seal can be arranged in gap
Circle.The outer end that the bearing outside 4 is located at the press fitting working face 45 is equipped with limit stop ring, so that it is guaranteed that bearing outside 4 and axis
Limit between cabinet 3 prevents bearing outside 4 and the direct hard contact of axle box 3, protection bearing outside 4 and axle box 3.
In the embodiment of the present invention, in order to guarantee that bearing outside 4 and axle box 3 have suitable length, the inner groove
42 include two, and the distance between two described inner grooves 42 are equal to the half of required gauge changing, and structure is simple, and gauge changing is convenient
It realizes, certainly, as needed, more than two also can be set in inner groove 42.
As shown in Figs. 1-2, the present invention also provides a kind of gauge-changeable wheelsets, including wheel 1, axle 2 and described above
Retaining mechanism, the retaining mechanism is fitted in the hub periphery of the wheel 1 respectively, and is located at the axle box at 2 both ends of axle
In body 3, the retaining mechanism is for driving the wheel 1 along the axial movement or locking of the axle box 3, to realize wheel 1
Convert gauge.
The working principle of the invention and operating process are as follows：Vehicle is to realize gauge when the speed of service is no more than 15km/h
Transformation, by taking gauge is from 1435mm to 1520mm as an example.
In order to realize that the gauge changing of the wheel pair, wheel 1 are not subject to any load in gauge conversion process, this function
It is supported on the axle box supporting rail of ground rail changing device and is realized by 3 loading end of axle box, specifically, axle box supporting rail is using rolling
Sub- support construction, to reduce the abrasion of axle box loading end, unlock rail is to rise rail level structure, its ascending amount is excellent in unlocking process
It is selected as 35mm, that is to say, that in the process, the load of wheel 1 is undertaken by axle box 3.
The uninstall process of wheel 1 is realized by a continuous smoothly mode, is made before the interruption of standard gauge rail
It declines, and at the same time, the load of wheel 1 is undertaken by axle box 3.
Once wheel 1 unloads, tripper must realize unlocking function, the T-type unlocking head 65 and phase of locking assembly lower end
The unlock rail cooperation with rising ramp answered, makes check lock lever 6 compress locking spring 63 and moves upwards realization wheel 1 and axle 2
Unlock.
The laterally free degree of wheel 1 is released, and wheel 1 is forced to new gauge movement in middle rail in corresponding sliding, this
When the bearing assembly 5 being fitted on wheel 1 and the bearing outside 4 being fitted on bearing outer ring with wheel 1 sliding in
It is moved laterally together under the action of rail to adapt to new gauge.
When wheel 1 is locked, check lock lever 6 moves downward under the action of 63 restoring force of locking spring, and locking head 64 cooperates
Into in the inner groove 42 of the bearing outside 4 where new gauge.
Vehicle moves on, and new broad gauge rail is in rising ramp, is added to load again on wheel 1, axle box supporting rail
It terminates, completes the overall process of gauge changing at this time, wheel 1 starts to move forwards with new gauge 1520mm.
The reverse procedure on track from the orbit transfer of larger gauge to smaller gauge is realized in the same way.
As can be seen from the above embodiments, retaining mechanism of the invention can be reliably achieved locking and unlocking, thus really
It protects and applies the gauge-changeable wheelsets of the retaining mechanism easy to operate, can facilitate, be reliably achieved train gauge changing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of retaining mechanism for gauge-changeable wheelsets, which is characterized in that including bearing outside and check lock lever, outside the bearing
The inner circumferential of set is equipped with locking working face；
The locking working face is equipped with multiple inner grooves along its axially spaced-apart, and is equipped with the cunning axially through multiple inner grooves
Dynamic slot, the check lock lever include locking head and unlocking head, and the locking head realizes locking for being caught in the inner groove；Institute
It states unlocking head and extends the sliding groove, and the locking head can be made to leave the inner groove at place under external force, realize
Unlock.
2. the retaining mechanism according to claim 1 for gauge-changeable wheelsets, which is characterized in that the bearing outside it is interior
It is equipped with circular orientation boss week, the inner peripheral surface of the bearing outside is divided into press fitting working face and institute by the circular orientation boss
State locking working face；
The retaining mechanism further includes bearing assembly and connector sleeve, and the inner ring of the bearing assembly is fitted in the outer of the connector sleeve
Week, the outer ring of the bearing assembly are fitted in the press fitting working face；The connector sleeve is used for fixed on the outside of the wheel hub with wheel
Connection.
3. the retaining mechanism according to claim 2 for gauge-changeable wheelsets, which is characterized in that the retaining mechanism passes through
The connector sleeve is mounted on the axle of the lateral wheel, and is located in the axle box at the axle both ends；Outside the bearing
Set and the axle box clearance fit.
4. the retaining mechanism according to claim 3 for gauge-changeable wheelsets, which is characterized in that the connector sleeve with it is described
The wheel hub of wheel is integrally formed.
5. the retaining mechanism according to claim 3 for gauge-changeable wheelsets, which is characterized in that the check lock lever includes bar
Body, one end of the body of rod are equipped with arc section and form the locking head, and the unlocking head is set to the other end of the body of rod, described
The radian and width of arc section match with the inner groove；The bottom of the axle box is equipped with corresponding with the sliding groove
Matching hole, the body of rod are successively pierced by from the sliding groove and matching hole, and the body of rod is equipped with spring bearing platform, on the body of rod
Locking spring is arranged between the spring bearing platform and the axle box.
6. the retaining mechanism according to claim 5 for gauge-changeable wheelsets, which is characterized in that the sliding groove with it is described
Matching hole is square, and width is equal to the width of the body of rod.
7. the retaining mechanism according to claim 5 for gauge-changeable wheelsets, which is characterized in that the arc section is three points
One of circular arc；The unlocking head is T-type tapered end.
8. the retaining mechanism according to claim 2 for gauge-changeable wheelsets, which is characterized in that the bearing assembly includes
Bearing, end ring and sealing ring, the both ends of the bearing are respectively equipped with the end ring, the end ring and the axis
The sealing ring is respectively equipped between the both ends held, and one end of the bearing assembly is against the circular orientation boss；It is described
The outer end that bearing outside is located at the press fitting working face is equipped with limit stop ring.
9. the retaining mechanism according to claim 1-8 for gauge-changeable wheelsets, which is characterized in that the inner ring
Slot includes two, and the distance between two described inner grooves are equal to the half of required gauge changing.
10. a kind of gauge-changeable wheelsets, including wheel and axle, which is characterized in that further include as described in claim any one of 1-9
Retaining mechanism, the retaining mechanism is fitted in the hub periphery of the wheel respectively, and is located at the axle box at the axle both ends
In body, the retaining mechanism is for driving axial movement or locking of the wheel along the axle box, to realize that wheel converts
Gauge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732191.9A CN108909360B (en) | 2018-07-05 | 2018-07-05 | Locking mechanism for track-variable wheel set and track-variable wheel set |
| PCT/CN2019/079051 WO2020007071A1 (en) | 2018-07-05 | 2019-03-21 | Wheelset for variable gauge bogie for rail vehicle, and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732191.9A CN108909360B (en) | 2018-07-05 | 2018-07-05 | Locking mechanism for track-variable wheel set and track-variable wheel set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909360A true CN108909360A (en) | 2018-11-30 |
| CN108909360B CN108909360B (en) | 2021-08-24 |
Family
ID=64425691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810732191.9A Active CN108909360B (en) | 2018-07-05 | 2018-07-05 | Locking mechanism for track-variable wheel set and track-variable wheel set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108909360B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733434A (en) * | 2019-01-07 | 2019-05-10 | 中车青岛四方机车车辆股份有限公司 | Sealing device and gauge-changeable wheelsets for gauge-changeable wheelsets |
| WO2020007071A1 (en) * | 2018-07-05 | 2020-01-09 | 中车青岛四方机车车辆股份有限公司 | Wheelset for variable gauge bogie for rail vehicle, and bogie |
| CN111806497A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Thrust conversion mechanism for track-pitch-variable wheel set, unlocking device and track-pitch-variable wheel set |
| CN111806501A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Unlocking mechanism for track-distance-variable wheel set, track-distance-variable wheel set and ground track-changing facility |
| EP3988421A4 (en) * | 2019-06-21 | 2022-08-10 | CRRC Qingdao Sifang Co., Ltd. | Movable disc assembly for changeable-gauge wheel set |
| RU2785735C1 (en) * | 2020-07-28 | 2022-12-12 | СиЭрЭрСи ЦИНДАО СЫФАН КО., ЛТД. | Axle load conversion mechanism for variable track wheelset, release device and variable track wheelsset |
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