CN108909360B - Locking mechanism for track-variable wheel set and track-variable wheel set - Google Patents
Locking mechanism for track-variable wheel set and track-variable wheel set Download PDFInfo
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- CN108909360B CN108909360B CN201810732191.9A CN201810732191A CN108909360B CN 108909360 B CN108909360 B CN 108909360B CN 201810732191 A CN201810732191 A CN 201810732191A CN 108909360 B CN108909360 B CN 108909360B
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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
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- 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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- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the field of rail vehicle variable gauge, and discloses a locking mechanism for a variable gauge wheel pair, which comprises a bearing outer sleeve and a locking rod, wherein the inner periphery of the bearing outer sleeve is provided with a locking working surface; the locking working surface is provided with a plurality of inner annular grooves at intervals along the axial direction and sliding grooves axially penetrating through the inner annular grooves, the locking rod comprises a locking head and an unlocking head, and the locking head is clamped into the inner annular grooves to realize locking; the unlocking head extends out of the sliding groove and can enable the locking head to leave the inner annular groove under the action of external force, so that unlocking is achieved. The invention also discloses a track-distance-variable wheel pair. The invention can reliably realize locking and unlocking, is convenient to operate, and can conveniently and reliably realize the rail gauge change of the train.
Description
Technical Field
The invention relates to the field of rail gauge changing of rail vehicles, in particular to a locking mechanism for a rail gauge changing wheel pair and the rail gauge changing wheel pair.
Background
With the rapid development of global economy integration, the transnational passenger and cargo transportation is rapidly increased in recent years, but due to different rail gauges of railways of different countries, the transnational railway transportation is seriously hindered. In order to solve the problem that different track gauges of railways of various countries obstruct transnational railway transportation, a track gauge-changing bogie is provided, namely, when a train runs to a railway of other countries, the track gauge of the railway of other countries is adapted by changing the distance between wheels on the wheel pair of the bogie.
In the process of changing the track gauge of a train, wheels on the same wheel set can move relatively, and a locking mechanism capable of realizing the change of the wheels between different track gauges is very important. However, in the existing variable-gauge train structure, the locking mechanism is complex in structure, complex in operation and poor in reliability, and the situation that the locking and unlocking cannot be performed normally often occurs, so that the locking mechanism becomes a limiting factor for hindering the development of the variable-gauge train.
Disclosure of Invention
Technical problem to be solved
The present invention is directed to solving at least one of the problems of the prior art or the related art.
The invention aims to provide a locking mechanism for a variable-gauge wheel set and the variable-gauge wheel set, which can reliably realize locking and unlocking and are convenient to operate, so that the variable gauge of a train can be conveniently and reliably realized.
(II) technical scheme
In order to solve the technical problem, the invention provides a locking mechanism for a variable-gauge wheel pair, which comprises a bearing outer sleeve and a locking rod, wherein the inner periphery of the bearing outer sleeve is provided with a locking working surface;
the locking working surface is provided with a plurality of inner annular grooves at intervals along the axial direction and sliding grooves axially penetrating through the inner annular grooves, the locking rod comprises a locking head and an unlocking head, and the locking head is clamped into the inner annular grooves to realize locking; the unlocking head extends out of the sliding groove and can enable the locking head to leave the inner annular groove under the action of external force, so that unlocking is achieved.
The inner circumference of the bearing outer sleeve is provided with an annular positioning boss, and the annular positioning boss divides the inner circumference of the bearing outer sleeve into a press-fitting working surface and a locking working surface;
the locking mechanism further comprises a bearing assembly and a connecting sleeve, an inner ring of the bearing assembly is pressed on the periphery of the connecting sleeve, and an outer ring of the bearing assembly is pressed on the pressing working surface; the connecting sleeve is used for being fixedly connected with the outer side of the wheel hub of the wheel.
The locking mechanism is arranged on an axle outside the wheels through the connecting sleeve and is positioned in axle box bodies at two ends of the axle; the bearing outer sleeve is in clearance fit with the shaft box body.
Wherein, the connecting sleeve and the wheel hub of the wheel are integrally formed.
The locking rod comprises a rod body, one end of the rod body is provided with an arc section to form the locking head, the unlocking head is arranged at the other end of the rod body, and the radian and the width of the arc section are matched with those of the inner annular groove; the bottom of axle box body be equipped with the mating holes that the sliding tray corresponds, the body of rod is followed sliding tray and mating holes wear out in proper order, be equipped with the spring cushion cap on the body of rod, lie in on the body of rod the spring cushion cap with the cover is equipped with locking spring between the axle box body.
The sliding groove and the matching hole are square, and the width of the sliding groove is equal to that of the rod body.
Wherein the arc section is a one-third arc; the unlocking head is a T-shaped locking head.
The bearing assembly comprises a bearing, bearing retainer rings and sealing rings, the bearing retainer rings are arranged at two ends of the bearing respectively, the sealing rings are arranged between the bearing retainer rings and two ends of the bearing respectively, and one end of the bearing assembly abuts against the annular positioning boss; and the outer end of the bearing outer sleeve, which is positioned on the press-fitting working surface, is provided with a limiting check ring.
The distance between the two inner ring grooves is equal to half of the required variable track gauge.
The invention also provides a track distance changing wheel pair which comprises wheels, axles and the locking mechanisms, wherein the locking mechanisms are respectively pressed on the peripheries of the hubs of the wheels and are positioned in axle box bodies at two ends of the axles, and the locking mechanisms are used for driving the wheels to move or lock along the axial direction of the axle box bodies so as to realize the track distance changing of the wheels.
(III) advantageous effects
Compared with the prior art, the invention has the following advantages:
the invention provides a locking mechanism for a variable-gauge wheel pair, which is characterized in that a bearing outer sleeve and a locking rod are arranged, and the inner periphery of the bearing outer sleeve is provided with a locking working surface; the locking working surface is provided with a plurality of inner annular grooves at intervals along the axial direction and sliding grooves axially penetrating through the inner annular grooves, the locking rod comprises a locking head and an unlocking head, and the locking head is clamped into the inner annular grooves to realize locking; the unlocking head extends out of the sliding groove and can enable the locking head to leave the inner annular groove under the action of external force, so that unlocking is achieved. The locking mechanism is simple in structure, can simply, conveniently and reliably realize unlocking and locking, and provides reliable guarantee for changing the track gauge of the wheel.
According to the track gauge-changing wheel pair, the locking mechanism drives the wheels to move or lock along the axial direction of the axle, so that the track gauge of the wheels can be changed, and different track gauge changing requirements can be met.
Drawings
FIG. 1 is an axial cross-sectional view of a track-variable wheelset of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of a bearing outer sleeve according to the present invention;
FIG. 4 is a schematic view of the locking lever of the present invention;
in the figure: 1: a wheel; 11: connecting sleeves; 2: an axle; 3: a shaft box body; 4: a bearing housing; 41: an annular positioning boss; 42: an inner ring groove; 43: a sliding groove; 44: locking the working surface; 45: press-fitting the working surface; 5: a bearing assembly; 6: a locking lever; 61: a rod body; 62: a spring bearing platform; 63: a locking spring; 64: a locking head; 65: an unlocking head.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In addition, in the description of the present invention, "a plurality", and "a plurality" mean two or more unless otherwise specified.
The embodiment of the invention provides a locking mechanism for a variable-gauge wheel pair, which mainly comprises a bearing outer sleeve 4, a locking rod 6, a bearing assembly 5 and a connecting sleeve 11 as shown in fig. 1-2, wherein as shown in fig. 3, the inner periphery of the bearing outer sleeve 4 is provided with an annular positioning boss 41, and the inner peripheral surface of the bearing outer sleeve 4 is divided into a press-fitting working surface 45 and a locking working surface 44 by the annular positioning boss 41;
the inner ring of the bearing assembly 5 is pressed on the periphery of the connecting sleeve 11, the outer ring of the bearing assembly 5 is pressed on the press-fitting working surface 45, and the connecting sleeve 11 is used for being fixedly connected with the outer side of the hub of the wheel 1, so that the locking mechanism is connected with the wheel 1; the locking working surface 44 is provided with a plurality of inner annular grooves 42 at intervals along the axial direction thereof, and is provided with a sliding groove 43 axially penetrating through the plurality of inner annular grooves 42, as shown in fig. 4, the locking rod 6 includes a locking head 64 and an unlocking head 65, and the locking head 64 is used for being clamped into the inner annular grooves 42 to realize locking; the unlocking head 65 extends out of the sliding groove 43, and the locking head 64 can leave the inner annular groove 42 under the action of external force to realize unlocking; specifically, before the track gauge is changed, the wheel 1 is kept in a locked state, the unlocking head 65 extends out of the sliding groove 43, when the track gauge is required to be changed, the unlocking head 65 moves upwards under the action of an external force, preferably an upward thrust force, so that the locking head 64 leaves the inner annular groove 42, the external force or the inward thrust force is applied to the wheel 1, the bearing assembly 5 and the bearing housing 4 integrally move inwards or outwards, the sliding groove 43 and the matching hole move relative to the locking rod 6 in the moving process until the other inner annular groove 42 is reached, the external force is removed, the locking head 64 descends and is clamped into the corresponding inner annular groove 42 again to realize locking, the locking head 64 is ensured to be switched among the inner annular grooves 42, and therefore the track gauge changing of the wheel 1 is completed, the structure is simple, and the operation is convenient.
Specifically, the locking mechanism is mounted on the axle 2 outside the wheel 1 through the connecting sleeve 11 and is located in the axle box bodies 3 at two ends of the axle 2; the bearing housing 4 is in clearance fit with the axle housing 3, so that the wheel 1, the connecting sleeve 11, the bearing assembly 5 and the bearing housing 4 are tightly connected together, and the whole body can move relative to the axle housing 3. In order to ensure sufficient strength, the connecting sleeve 11 is integrally formed with the hub of the wheel 1 to form an elongated hub. The inner periphery of the hub of the wheel 1 and/or the inner periphery of the connecting sleeve 11 are/is provided with internal splines, that is, the internal splines can be provided only on the inner periphery of the hub of the wheel 1 or only on the inner periphery of the connecting sleeve 11, or the internal splines can be provided on both the inner periphery of the hub of the wheel 1 and the inner periphery of the connecting sleeve 11, in this embodiment, for convenience of arrangement, it is preferable that the inner periphery of the hub of the wheel 1 and the inner periphery of the connecting sleeve 11 are simultaneously provided with an internal spline penetrating both, the two ends of the axle 2 are respectively provided with an external spline matched with the internal spline, the wheel 1 and the axle 2 are connected with the external spline through the internal spline, for transmitting the torque of the rotation of the axle 2 to the wheels 1 on both sides and also facilitating the sliding of the wheels 1 along the axle 2, preferably, external splines are provided on the wheel 1 mounting seats, the length of the mounting seat of the wheel 1 is greater than the length of the lengthened wheel hub, and the lengthening distance is equal to half of the variable gauge; locking Assembly presses respectively to be adorned the periphery of the adapter sleeve 11 of wheel 1, and is located in the axle box 3 at 2 both ends of axletree, locate locking Assembly in the outside axle box 3 of wheel 1 respectively, axletree 2 and traditional axletree 2 keep unanimous in 1 inboard portion of wheel, leave sufficient design space for parts such as motor, the gear box of installing on 1 inboard axletree 2 of wheel on the one hand, on the other hand can keep unanimous with the interface of existing car, is convenient for existing car reforms transform in batches, locking Assembly is used for driving wheel 1 is followed axle box 3's axial displacement or locking to realize wheel 1 and change the gauge, with the gauge transform demand of adaptation difference.
Specifically, the locking rod 6 includes a rod body 61, one end of the rod body 61 is provided with an arc section to form the locking head 64, the arc section is preferably a one-third arc, the arc section is located in the bearing outer sleeve 4, the radian and the width of the arc section are matched with those of the inner annular groove 42 so as to be perfectly matched with the inner surface of the inner annular groove 42, the unlocking head 65 is arranged at the other end of the rod body 61, and the radian and the width of the arc section are matched with those of the inner annular groove 42; the bottom of axle box 3 be equipped with the corresponding mating holes of sliding tray 43, the body of rod 61 is followed sliding tray 43 and mating holes are worn out in proper order, be equipped with spring bearing platform 62 on the body of rod 61, lie in on the body of rod 61 spring bearing platform 62 with the cover is equipped with locking spring 63 between the axle box 3. One end of the locking spring 63 abuts against the lower end of the shaft box body 3, and the other end abuts against the upper surface of the spring bearing platform 62; when the wheel 1 is in a locked state, the locking spring 63 is in a natural precompression state, the locking head 64 is clamped in the corresponding inner annular groove 42 by means of the spring force, the locking of the wheel 1 is realized, when the wheel 1 needs to be unlocked, the unlocking head 65 bears upward acting force, the rod body 61 compresses the locking spring 63 and rises, the locking head 64 leaves the inner annular groove 42, inward or outward thrust is applied to the wheel 1 at the moment, when the wheel 1 moves to the position of the inner annular groove 42 corresponding to the track gauge, the upward acting force of the unlocking head 65 is cancelled, and the inward or outward thrust of the wheel 1 is stopped, at the moment, the locking spring 63 moves downwards under the action of the spring force, so that the rod body 61 is driven to move downwards, the locking head 64 is clamped in the inner annular groove 42 after the track gauge is changed, the locking is carried out again, and the track gauge changing is completed.
The sliding groove 43 and the matching hole are square, and the width of the sliding groove 43 is equal to that of the rod body 61, so that the rod body 61 can only move along the length direction of the sliding groove 43 and the matching hole, and the width direction of the rod body does not move, and the unlocking and locking rear wheel 1 and the axle box body 3 are not transversely shaken. The length of the sliding groove 43 and the fitting hole is equal to half of the varied track pitch plus the thickness of the two locking bars 6. In the embodiment of the invention, in order to ensure that the axle box body 3 has enough wear resistance, a thickened axle box bearing surface is arranged at the bottom of the axle box body 3.
In order to unlock the lock, the unlocking head 65 is a T-shaped locking head, and two sides of the T-shaped locking head, which are located on the central axis of the T-shaped locking head, can be respectively provided with an upward inclined guide slope, so that the lock can be unlocked conveniently.
The bearing assembly 5 comprises a bearing, preferably a double-row tapered roller bearing, bearing retainer rings and sealing rings, the bearing retainer rings are arranged at two ends of the bearing respectively, the sealing rings are arranged between the bearing retainer rings and two ends of the bearing respectively, and one end of the bearing assembly 5 abuts against the annular positioning boss 41; preferably, the sealing mode of the sealing ring adopts a curved path sealing, the curved path sealing is also called as labyrinth sealing and is realized by arranging a small clearance-zigzag air path which is the same as a labyrinth; the inner side of the shaft box body 3 is sealed: the inner retainer ring of the bearing is fixed on the matching surface of the wheel shaft of the wheel 1, the outer retainer ring of the bearing is fixed on the bearing outer sleeve 4, and a curved seal is arranged between the inner retainer ring and the outer retainer ring of the bearing; sealing the outer side of the axle box: the bearing inner retainer ring and the bearing outer sleeve 4 are provided with a curved path seal. The pure labyrinth seal is not provided with a rubber sealing ring, and if the pure labyrinth seal does not meet the sealing requirement, a corresponding rubber sealing ring can be arranged in the gap. The outer end of the bearing outer sleeve 4, which is positioned on the press-fitting working surface 45, is provided with a limiting retainer ring, so that the limitation between the bearing outer sleeve 4 and the shaft box body 3 is ensured, the direct rigid contact between the bearing outer sleeve 4 and the shaft box body 3 is prevented, and the bearing outer sleeve 4 and the shaft box body 3 are protected.
In the embodiment of the invention, in order to ensure that the bearing outer sleeve 4 and the axle box body 3 have proper lengths, the number of the inner annular grooves 42 is two, the distance between the two inner annular grooves 42 is equal to half of the required track gauge, the structure is simple, the track gauge change is convenient to realize, and of course, more than two inner annular grooves 42 can be arranged according to needs.
As shown in fig. 1-2, the invention further provides a track-variable wheel pair, which includes a wheel 1, an axle 2 and the above-mentioned locking mechanisms, wherein the locking mechanisms are respectively press-mounted on the periphery of the hub of the wheel 1 and located in axle boxes 3 at two ends of the axle 2, and the locking mechanisms are used for driving the wheel 1 to move or lock along the axial direction of the axle boxes 3, so as to realize the track-variable of the wheel 1.
The working principle and the operation process of the invention are as follows: the vehicle is provided with track gauge conversion when the running speed is not more than 15km/h, and the track gauge is from 1435mm to 1520mm as an example.
In order to realize the track gauge change of the wheel pair, the wheel 1 does not bear any load in the track gauge change process, and the function is realized by supporting the bearing surface of the axle box body 3 on an axle box supporting rail of the ground track changing device, specifically, the axle box supporting rail adopts a roller supporting structure to reduce the abrasion of the bearing surface of the axle box, the unlocking rail is of a lifting rail surface structure, the lifting amount of the unlocking rail is preferably 35mm in the unlocking process, namely, the load of the wheel 1 is borne by the axle box body 3 in the process.
The unloading of the wheel 1 is carried out in a continuous and smooth manner, lowering the standard rail before it breaks, while the load of the wheel 1 is taken up by the axle housing 3.
Once the wheel 1 is unloaded, the unlocking device must perform the unlocking function, and the T-shaped unlocking head 65 at the lower end of the locking assembly cooperates with the corresponding unlocking rail with a rising slope, so that the locking rod 6 compresses the locking spring 63 to move upwards to unlock the wheel 1 and the axle 2.
The wheel 1 is freed from lateral freedom and the wheel 1 is forced to move to the new gauge in the corresponding sliding center rail, at which point the bearing assembly 5, which is pressed onto the wheel 1, and the bearing housing 4, which is pressed onto the outer race of the bearing, move laterally together with the wheel 1 under the action of the sliding center rail to accommodate the new gauge.
When the wheel 1 is locked, the locking rod 6 moves downwards under the action of the restoring force of the locking spring 63, and the locking head 64 is fitted into the inner annular groove 42 of the bearing outer sleeve 4 where the new gauge is located.
The vehicle continues to move forward with a new wide rail on an ascending incline so that the load is reapplied to wheel 1, the axle box support rail ends, the overall track gauge change is complete, and wheel 1 begins to move forward with a new track gauge of 1520 mm.
The reverse process of transitioning from a larger gauge track to a smaller gauge track is accomplished in the same way.
The locking mechanism can reliably realize locking and unlocking, so that the variable-gauge wheel set using the locking mechanism is convenient to operate, and the variable-gauge of the train can be conveniently and reliably realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A locking mechanism for a variable-gauge wheel pair is characterized by comprising a bearing outer sleeve and a locking rod, wherein the inner periphery of the bearing outer sleeve is provided with a locking working surface;
the locking working surface is provided with a plurality of inner annular grooves at intervals along the axial direction, and is provided with a sliding groove which axially penetrates through the inner annular grooves, the locking rod comprises a locking head and an unlocking head, and the locking head is clamped into the inner annular grooves to realize the locking of the wheels relative to the axle box body; the unlocking head extends out of the sliding groove and can enable the locking head to leave the inner annular groove under the action of external force, so that the wheels are unlocked relative to the axle box body; the inner circumference of the bearing outer sleeve is provided with an annular positioning boss which divides the inner circumference of the bearing outer sleeve into a press-fitting working surface and a locking working surface;
the locking mechanism further comprises a bearing assembly and a connecting sleeve, an inner ring of the bearing assembly is pressed on the periphery of the connecting sleeve, and an outer ring of the bearing assembly is pressed on the pressing working surface; the connecting sleeve is used for being fixedly connected with the outer side of the wheel hub of the wheel.
2. The locking mechanism for a pair of variable-gauge wheels according to claim 1, wherein the locking mechanism is mounted on an axle outside the wheel through the connecting sleeve and is located in axle boxes at both ends of the axle; the bearing outer sleeve is in clearance fit with the shaft box body.
3. The locking mechanism for a pair of variable gauge wheels according to claim 2, wherein said nipple is integrally formed with the hub of said wheel.
4. The locking mechanism for the pair of variable-gauge wheels according to claim 2, wherein the locking rod comprises a rod body, one end of the rod body is provided with an arc section to form the locking head, the unlocking head is arranged at the other end of the rod body, and the arc section has a radian and a width matched with those of the inner annular groove; the bottom of axle box body be equipped with the mating holes that the sliding tray corresponds, the body of rod is followed sliding tray and mating holes wear out in proper order, be equipped with the spring cushion cap on the body of rod, lie in on the body of rod the spring cushion cap with the cover is equipped with locking spring between the axle box body.
5. The locking mechanism for a pair of variable gauge wheels according to claim 4, wherein said sliding groove and said mating hole are each square and have a width equal to the width of said rod body.
6. The locking mechanism for a pair of variable gauge wheels according to claim 4, wherein said arc segment is a third arc; the unlocking head is a T-shaped locking head.
7. The locking mechanism for the variable-gauge wheel pair according to claim 1, wherein the bearing assembly comprises a bearing, a bearing retainer ring and a sealing ring, the bearing retainer ring is respectively arranged at two ends of the bearing, the sealing ring is respectively arranged between the bearing retainer ring and the two ends of the bearing, and one end of the bearing assembly abuts against the annular positioning boss; and the outer end of the bearing outer sleeve, which is positioned on the press-fitting working surface, is provided with a limiting check ring.
8. The locking mechanism for a pair of variable-gauge wheels according to any one of claims 1 to 7, characterized in that said internal annular grooves comprise two, the distance between two of said internal grooves being equal to half the required variable gauge.
9. A track-changing wheel pair, comprising a wheel and an axle, and further comprising locking mechanisms according to any one of claims 1 to 8, wherein the locking mechanisms are respectively press-fitted on the periphery of a hub of the wheel and located in axle boxes at two ends of the axle, and the locking mechanisms are used for driving the wheel to move or lock along the axial direction of the axle boxes so as to realize track changing of the wheel.
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 CN108909360A (en) | 2018-11-30 |
| CN108909360B true CN108909360B (en) | 2021-08-24 |
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| 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 |
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| CN (1) | CN108909360B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109733434B (en) * | 2019-01-07 | 2020-05-08 | 中车青岛四方机车车辆股份有限公司 | Sealing device for track-variable wheel set and track-variable wheel set |
| CN110228499B (en) * | 2019-06-21 | 2020-08-07 | 中车青岛四方机车车辆股份有限公司 | A remove dish subassembly for becoming gauge wheel pair |
| CN111806501B (en) * | 2020-07-28 | 2021-05-11 | 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 |
| CN111806497B (en) * | 2020-07-28 | 2021-05-11 | 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192843A (en) * | 2013-04-19 | 2013-07-10 | 西南交通大学 | Locking mechanism for variable-gauge bogie |
| CN205059057U (en) * | 2015-08-25 | 2016-03-02 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle, change gauge bogie and wheel thereof |
| CN105492292A (en) * | 2013-07-11 | 2016-04-13 | Ogi幅变轴公司 | Railway axle with automatic change to multiple track widths |
| PL2244921T3 (en) * | 2008-02-13 | 2017-01-31 | Alstom Schienenfahrzeuge Ag | Bogie for variable rail gauge and changing station of the rail gauge |
| CN106740964A (en) * | 2016-12-07 | 2017-05-31 | 中车株洲电力机车有限公司 | A kind of gauge-changeable wheelsets and its retaining mechanism |
| CN107521519A (en) * | 2017-09-01 | 2017-12-29 | 西南交通大学 | A kind of gauge-changeable bogie |
| CN107757653A (en) * | 2017-11-23 | 2018-03-06 | 中车长春轨道客车股份有限公司 | For realizing the wheelslip device of quasi- broad gage conversion |
| CN207191061U (en) * | 2017-09-01 | 2018-04-06 | 西南交通大学 | A kind of latch assembly applied to gauge-changeable bogie |
| CN207360332U (en) * | 2017-09-01 | 2018-05-15 | 西南交通大学 | A kind of gauge-changeable bogie |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10717452B2 (en) * | 2016-10-28 | 2020-07-21 | Myles E. Paisley | Hand cart for construction in the railroad industry |
-
2018
- 2018-07-05 CN CN201810732191.9A patent/CN108909360B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2244921T3 (en) * | 2008-02-13 | 2017-01-31 | Alstom Schienenfahrzeuge Ag | Bogie for variable rail gauge and changing station of the rail gauge |
| CN103192843A (en) * | 2013-04-19 | 2013-07-10 | 西南交通大学 | Locking mechanism for variable-gauge bogie |
| CN105492292A (en) * | 2013-07-11 | 2016-04-13 | Ogi幅变轴公司 | Railway axle with automatic change to multiple track widths |
| CN205059057U (en) * | 2015-08-25 | 2016-03-02 | 齐齐哈尔轨道交通装备有限责任公司 | Rail vehicle, change gauge bogie and wheel thereof |
| CN106740964A (en) * | 2016-12-07 | 2017-05-31 | 中车株洲电力机车有限公司 | A kind of gauge-changeable wheelsets and its retaining mechanism |
| CN107521519A (en) * | 2017-09-01 | 2017-12-29 | 西南交通大学 | A kind of gauge-changeable bogie |
| CN207191061U (en) * | 2017-09-01 | 2018-04-06 | 西南交通大学 | A kind of latch assembly applied to gauge-changeable bogie |
| CN207360332U (en) * | 2017-09-01 | 2018-05-15 | 西南交通大学 | A kind of gauge-changeable bogie |
| CN107757653A (en) * | 2017-11-23 | 2018-03-06 | 中车长春轨道客车股份有限公司 | For realizing the wheelslip device of quasi- broad gage conversion |
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