CN106740964B - A kind of gauge-changeable wheelsets and its retaining mechanism - Google Patents
A kind of gauge-changeable wheelsets and its retaining mechanism Download PDFInfo
- Publication number
- CN106740964B CN106740964B CN201611142943.3A CN201611142943A CN106740964B CN 106740964 B CN106740964 B CN 106740964B CN 201611142943 A CN201611142943 A CN 201611142943A CN 106740964 B CN106740964 B CN 106740964B
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- Prior art keywords
- wheel
- axle
- gauge
- retaining mechanism
- sleeve
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Classifications
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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
-
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of gauge-changeable wheelsets and its retaining mechanisms.Hub for vehicle wheel is arranged between axle for adjusting at a distance between two wheels wheel lock in the different location on axle in the gauge-changeable wheelsets retaining mechanism；The axle be equipped with guiding wheel axial movement guide frame, the retaining mechanism wheel is adjusted to designated position after by wheel lock in the designated position.The present invention ensure that wheel to having enough flexibilities, reliability and accuracy under the premise of realizing gauge changing.
Description
Technical field
The present invention relates to a kind of gauge-changeable wheelsets and its retaining mechanisms, belong to rail vehicle truck field.
Background technique
It is urgently to be resolved in the world and ground section through transport ask that rail truck, which is solved, in the straight-through operation in gauge difference section
Topic, is a kind of effective method, China's research in terms of gauge-changeable bogie at present using gauge-changeable bogie technology
At the early-stage, exploitation and the gauge-changeable bogie for developing suitable China's national situation are particularly important.
Track-space-variable wheel and its wheel retaining mechanism are the key components of gauge changing technical research and exploitation, it is necessary to assure
It has enough flexibilities, reliability and accuracy, if the above performance cannot be guaranteed the purpose for being not only not achieved and becoming rail, also
Traffic safety hidden danger, therefore the quality of track-space-variable wheel and its design of wheel retaining mechanism are brought, is that entire gauge changing turns
To the key for setting up meter success or not.
Chinese patent CN200980146366.7 discloses a kind of improved changeable identity with rotary shaft,
Middle coupling arrangement controls the transverse movement by the fixed guide member to be in position corresponding with two gauges；With
And hard can directly be moved based on the fixed guide member and in the locking being arranged in switching device/unlock guide member actuating
The gauge changing device of the cooperation of lock piece.
Chinese patent CN201310137008.9 discloses a kind of retaining mechanism for gauge-changeable bogie, wherein locking
Mechanism includes axle, and axle soil is equipped with wheel, and the axle soil installs finite place piece, and the locating part and axle relatively rotate
It connects, the locking device that limiting wheel is moved axially along axle is installed on the locating part, triggering is connected on locking device
Formula tripper, the trigger-type tripper carry out triggering unlock using gauge changing ground installation.
Chinese patent CN201520646941.2 discloses a kind of rolling stock, gauge-changeable bogie and its wheel, wherein
Wheel further includes the axial length foot of the brake hoop for being fixed on wheel body, the coaxial arrangement of both brake hoop and tyre tread, and brake hoop
To meet at least two different gauges, braked with brake shoe friction fit.The patent lay particular emphasis on the brake shoe that is installed on wheel rim with
And adaptation of the structure to bogie gauge changing feature, it can not solve the above problems.
In addition, " exploitation of changeable identity " text describes the A type and Type B 2 of variable rail gauge electric EMU exploitation
Kind changeable identity, elaborates the structure of this 2 kinds of bogies and the specific implementation process of gauge changing." Dynamical Analyses of New Gauge-Changeable
A passenger car bogie structure and dynamic performance " text describes a kind of gauge-changeable bogie and retaining mechanism scheme, the gauge changing
Moving sleeve is arranged in bogie, and wheel is mounted on sleeve by conical bearing, and sleeve is made on axle axial by sliding bearing
Mobile, wheel follows mobile to achieve the purpose that change gauge.Meanwhile the limit spherical groove setting of the gauge-changeable bogie exists
Outside moving sleeve, mobile mating surface is not protected, and the outer surface of moving sleeve and axle clearance fit is exposed.
Summary of the invention
The present invention is intended to provide a kind of gauge-changeable wheelsets and its retaining mechanism, the wheel under the premise of realizing gauge changing,
Locking device guarantees wheel to having enough flexibilities, reliability and accuracy.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of gauge-changeable wheelsets retaining mechanism, is structurally characterized in that, retaining mechanism setting hub for vehicle wheel and axle it
Between for wheel lock to be adjusted the distance between two wheels in the different location on axle；The axle is equipped with guiding
Wheel axial movement guide frame, the retaining mechanism wheel is adjusted to designated position after by wheel lock in the specific bit
It sets.
The present invention can only need the position that easily mobile wheel extremely needs, and pass through locking according to gauge difference as a result,
Mechanism locks in the position, and gauge changing can be realized, while ensure that wheel to having enough flexibilities, reliability and accuracy.
According to an embodiment of the invention, can also make further optimization to the present invention, the following are the skills formed after optimization
Art scheme:
According to an embodiment of the invention, the retaining mechanism includes:
The fixes sleeve being sleeved on axle,
The alleviation sleeve being sleeved in fixes sleeve, and
Setting is being alleviated between sleeve and fixes sleeve equipped with reset element；
The fixes sleeve is provided with radial through-hole, which is provided with limit ball；The alleviation sleeve lining face
On be provided with upper groove, the different lower groove of at least two axial positions is provided in the outside wall surface of the hub for vehicle wheel；In axletree
To when movement, the upper groove for alleviating sleeve and the cooperation of at least two lower grooves make the top for limiting ball be located at upper groove
Interior, limit ball lower part is located in different lower grooves and by wheel lock at least two different positions.It limits as a result,
Ball is mounted in cylindrical hole by clearance fit, and is cooperated with the spherical groove on hub for vehicle wheel, and the work of locking wheel is played
With.Lower groove on the alleviation sleeve lining plays the role of release limit ball when wheel retaining mechanism unlocks.
In addition, retaining mechanism realizes that auto-reset function, reset spring provide retaining mechanism and lock again by reset element
Next restoring force for alleviating sleeve.
Preferably, the gentle solution sleeve of the fixes sleeve is equipped with the card being sleeved on hub for vehicle wheel close to one end of wheel
Disk.The reply final position of sleeve is alleviated in chuck setting, and plays a protective role to fixes sleeve and mobile wheel mating surface.
The inner wall for alleviating sleeve has cascaded surface, and the outside wall surface of the fixes sleeve is provided with annular convex platform, described multiple
Bit unit, which is arranged in, to be alleviated between the cascaded surface of sleeve and the annular convex platform of fixes sleeve.
Preferably, the reset element is reset spring.
The lower groove different there are two axial position is opened on each hub for vehicle wheel.
The upper groove and lower groove are the spherical groove of annular.
Based on the same inventive concept, the present invention also provides a kind of gauge-changeable wheelsets comprising axle and be mounted in axle
Two wheels at both ends；The gauge-changeable wheelsets are equipped between at least one wheel in the axle and two wheels to lock
Tight mechanism, which, which is arranged between hub for vehicle wheel and axle, is used for the different location by wheel lock on axle and adjusts
The distance between whole two wheels；The axle is equipped with the guide frame of guiding wheel axial movement, and the retaining mechanism will
Wheel adjust to designated position after by wheel lock in the designated position；It is preferred that being all provided between the axle and two wheels
The gauge-changeable wheelsets retaining mechanism stated, and the locked position of two wheels is spacing 1520mm and 1435mm between two wheels.
Hub for vehicle wheel is axially arranged with two rows of spherical grooves as a result, respectively corresponds the card of the removable wheel of 1520mm and 1435mm gauge
Position, removable wheel can be unlocked and be locked in the two detents
The guide frame includes being provided with the keyway being axially arranged on axle, between the wheel and axle being axially movable
Clearance fit is simultaneously connected by spline, and the spline is arranged in keyway；It is preferred that the keyway have it is a plurality of；More preferably have six
The keyway of even setting.The keyway on axle reserves spline axial direction mobile space in the axial direction as a result, and wheel can leading in spline
It moves axially downwards.In addition, spline is uniformly assemblied in wheel by 60 degree of angles, in the keyway in axle circumferential direction, the key of this structure
Slot arranges that maximum stress suffered by wheel, axle and maximum distortion distribution are the most reasonable.
The wheel outer end is equipped with dust protection rubber cover, can play the role of proofing dust and protecting to wheel outer end.
Compared with prior art, the beneficial effects of the present invention are:
For opposite Chinese patent CN200980146366.7, retaining mechanism of the invention and its described locking/unlock are former
Reason and result are entirely different, and wheel retaining mechanism of the present invention is simpler, efficient, pass through ball of the limit ball on hub for vehicle wheel
Spherical groove on the gentle solution sleeve of face groove switches to realize locking and unlocking function, and has auto-reset function.
For opposite Chinese patent CN201310137008.9, the lock of the locking of retaining mechanism of the invention and patent searching
Tight principle is similar, but structure is entirely different, and patent searching realizes locking/unlock using the movement of lock pin and linkage pull rod mechanism,
Structure of the invention is more compact, flexible, passes through the spherical surface on the gentle solution sleeve of spherical groove of the limit ball on hub for vehicle wheel
Groove switches to realize locking and unlocking function, and has auto-reset function.
Relative to " Dynamical Analyses of New Gauge-Changeable passenger car bogie structure and dynamic performance " text, retaining mechanism of the invention is main
It has the advantage that
1, the present invention removes moving sleeve, wheel and axle and is coupled by spline, and after unlock, wheel can be in the axial direction of spline
The lower movement of guidance, achievees the purpose that change gauge, structure of the invention is more reasonable, compact.2, the present invention will limit spherical groove
It is arranged on the rim for automobile wheel of inside, the detent as gauges different during gauge changing.
3, the reply final position of sleeve is alleviated in present invention setting chuck, chuck setting, and to fixes sleeve and locomotive
Wheel mating surface plays a protective role, instead of the snap ring of simple function.
4, wheel outer end of the present invention is equipped with dust protection rubber cover, plays the role of proofing dust and protecting to wheel outer end.
Detailed description of the invention
Fig. 1 is the structure principle chart of one embodiment of the invention；
Fig. 2 is enlarged drawing at the middle A of Fig. 1；
Fig. 3 is the cross-sectional view at the axle keyway.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.For sake of convenience, hereinafter as occurred
"upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play limit to structure
It is set for using.
A kind of retaining mechanism of gauge-changeable wheelsets, as shown in Fig. 2, including the fixes sleeve 10 with cylindrical hole, recessed with spherical surface
Alleviation sleeve 8, limit ball 7, reset spring 9 and the chuck 6 of slot.Wherein fixes sleeve 10 is fixed with respect to axle 5 and circumferentially opens
Equipped with 6 cylindrical holes.Limit ball 7 is mounted in cylindrical hole by clearance fit, and is matched with the spherical groove on hub for vehicle wheel
It closes.The alleviation sleeve 8 for alleviating limit ball 7 is equipped on the outside of fixes sleeve 10.Alleviate and pacifies between sleeve 8 and fixes sleeve 10
Equipped with reset spring 9.The gentle solution sleeve ends of fixes sleeve are equipped with chuck 6.
A kind of gauge-changeable wheelsets, as shown in Figure 1, include 5, two axially movable wheels 1 of a rotation axle with
And the above-mentioned wheel retaining mechanism 4 with auto-reset function.As shown in figure 3, rotation axle 5 is set with 1 cooperation position of wheel
There is keyway 11, keyway 11 is uniformly distributed on axle circumference by 60 degree of angles.Wheel 1 and axle 5 are gap-matched and pass through flower
Key 3 connects, and wheel 1 can move axially, and 1 outer end of wheel is equipped with dust protection rubber cover 2, and hub for vehicle wheel is axially arranged with two rows of spherical surfaces
Groove respectively corresponds the detent of the removable wheel 1 of 1520mm and 1435mm gauge.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention
Modification each fall within the application range as defined in the appended claims.
Claims (10)
1. a kind of gauge-changeable wheelsets retaining mechanism, which is characterized in that the retaining mechanism is arranged between hub for vehicle wheel and axle (5)
Different location for wheel (1) to be locked on axle (5) and the distance between adjust two wheels (1)；The axle (5)
Be equipped with the guide frame of guiding wheel (1) axial movement, the retaining mechanism wheel (1) is adjusted to designated position after by vehicle
Wheel (1) is locked in the designated position；The retaining mechanism includes:
The fixes sleeve (10) being sleeved on axle (5),
The alleviation sleeve (8) being sleeved on fixes sleeve (10), and
Setting is being alleviated between sleeve (8) and fixes sleeve (10) equipped with reset element；
The fixes sleeve (10) is provided with radial through-hole, which is provided with limit ball (7)；The alleviation sleeve (8)
It is provided with upper groove on inner wall, the different lower groove of at least two axial positions is provided in the outside wall surface of the hub for vehicle wheel；
When wheel (1) moves axially, the upper groove for alleviating sleeve (8) and the cooperation of at least two lower grooves make to limit ball
(7) top is located in upper groove, the lower part of limit ball (7) be located at different lower grooves it is interior and by wheel (1) be locked in
Few two different positions；The lower groove different there are two axial position is opened on each hub for vehicle wheel；
Gentle solution sleeve (8) of the fixes sleeve (10) is equipped with the chuck being sleeved on hub for vehicle wheel close to the one end of wheel (1)
(6)；Chuck (6) setting is in the reply final position for alleviating sleeve (8).
2. gauge-changeable wheelsets retaining mechanism according to claim 1, which is characterized in that the inner wall for alleviating sleeve (8)
With cascaded surface, the outside wall surface of the fixes sleeve (10) is provided with annular convex platform, and sleeve (8) are being alleviated in the reset element setting
Cascaded surface and fixes sleeve (10) annular convex platform between.
3. gauge-changeable wheelsets retaining mechanism according to claim 1, which is characterized in that the reset element is reset spring
(9).
4. gauge-changeable wheelsets retaining mechanism according to claim 1, which is characterized in that the upper groove and lower groove are
The spherical groove of annular.
5. a kind of gauge-changeable wheelsets, including axle (5) and mounted in two wheels (1) at axle (5) both ends；It is characterized in that,
Such as change of any of claims 1-4 is equipped between at least one wheel in the axle (5) and two wheels (1)
Retaining mechanism, the retaining mechanism is arranged between hub for vehicle wheel and axle (5) for wheel (1) to be locked in axle in gauge wheel
(5) different location on and the distance between adjust two wheels (1)；The axle (5) is equipped with guiding wheel (1) and axially moves
Wheel (1) is locked in the designated position after adjusting wheel (1) to designated position by dynamic guide frame, the retaining mechanism.
6. gauge-changeable wheelsets according to claim 5, which is characterized in that between the axle (5) and two wheels (1)
Equipped with gauge-changeable wheelsets retaining mechanism such as of any of claims 1-4, and the locked position of two wheels (1) is two
Spacing 1520mm and 1435mm between a wheel.
7. gauge-changeable wheelsets according to claim 5, which is characterized in that the guide frame includes being provided with axle (5)
The upper keyway (11) being axially arranged, between the wheel being axially movable (1) and axle (5) clearance fit and by spline (3) even
It connects, spline (3) setting is in keyway (11).
8. gauge-changeable wheelsets according to claim 7, which is characterized in that the keyway (11) has a plurality of.
9. gauge-changeable wheelsets according to claim 8, which is characterized in that there is six to be uniformly arranged on the axle (5)
Keyway.
10. gauge-changeable wheelsets according to claim 5, which is characterized in that the wheel outer end is equipped with dust protection rubber cover
(2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142943.3A CN106740964B (en) | 2016-12-07 | 2016-12-07 | A kind of gauge-changeable wheelsets and its retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142943.3A CN106740964B (en) | 2016-12-07 | 2016-12-07 | A kind of gauge-changeable wheelsets and its retaining mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740964A CN106740964A (en) | 2017-05-31 |
| CN106740964B true CN106740964B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611142943.3A Active CN106740964B (en) | 2016-12-07 | 2016-12-07 | A kind of gauge-changeable wheelsets and its retaining mechanism |
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| CN107697093B (en) * | 2017-09-01 | 2019-04-09 | 中车唐山机车车辆有限公司 | A kind of key component applied to gauge-changeable bogie |
| CN107697094B (en) * | 2017-09-01 | 2023-08-04 | 西南交通大学 | Be applied to retaining member of gauge change bogie |
| CN107600100B9 (en) * | 2017-09-01 | 2023-07-28 | 西南交通大学 | Sliding assembly applied to variable-track-gauge bogie |
| CN107571886B (en) * | 2017-09-01 | 2023-06-27 | 西南交通大学 | Locking assembly applied to variable-track-gauge bogie |
| CN108407839B (en) * | 2018-04-13 | 2019-11-22 | 中车青岛四方机车车辆股份有限公司 | A kind of sealing structure for gauge-changeable wheelsets |
| CN108749479A (en) * | 2018-04-28 | 2018-11-06 | 马鞍山市天钧机械制造有限公司 | A kind of automobile-used double card chaptrel hoop of track and its production technology |
| CN108396598B (en) * | 2018-05-11 | 2024-02-27 | 吉林大学 | Ground gauge-changing matching device for gauge-changing bogie |
| CN108501974B (en) * | 2018-06-12 | 2020-04-17 | 吉林大学 | Double-wheel driving locking mechanism suitable for variable-gauge bogie |
| CN108909359B (en) * | 2018-07-05 | 2021-06-25 | 中车青岛四方机车车辆股份有限公司 | Axle box body structure for track-pitch-variable wheel set and track-pitch-variable wheel set |
| CN108909759B (en) * | 2018-07-05 | 2020-04-14 | 中车青岛四方机车车辆股份有限公司 | Wheel set for variable-gauge train |
| CN108909356B (en) * | 2018-07-05 | 2020-06-02 | 中车青岛四方机车车辆股份有限公司 | Locking mechanism for track-pitch-variable wheel set and track-pitch-variable wheel set |
| CN108909763B (en) * | 2018-07-05 | 2020-02-14 | 中车青岛四方机车车辆股份有限公司 | Axle box for variable-gauge wheel set and variable-gauge bogie |
| CN108909360B (en) * | 2018-07-05 | 2021-08-24 | 中车青岛四方机车车辆股份有限公司 | Locking mechanism for track-variable wheel set and track-variable wheel set |
| CN108909358B (en) * | 2018-07-05 | 2021-09-10 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge wheel set and variable-gauge bogie |
| CN109383193B (en) * | 2018-10-08 | 2020-11-24 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge wheel set ventilation structure and variable-gauge wheel set |
| CN111071277B (en) * | 2018-10-19 | 2021-05-04 | 中车唐山机车车辆有限公司 | Wheel pair, bogie and rail vehicle |
| CN110228492B (en) * | 2019-06-21 | 2020-09-22 | 中车青岛四方机车车辆股份有限公司 | Traction electromagnet for track-variable wheel set and locking mechanism for track-variable wheel set |
| CN110228493B (en) * | 2019-06-21 | 2020-11-24 | 中车青岛四方机车车辆股份有限公司 | Sleeve and locking mechanism for track-pitch-variable wheel pair |
| CN111137318B (en) * | 2019-11-12 | 2024-04-05 | 中车株洲电力机车有限公司 | Locking device of variable-track-gauge bogie |
| CN111137320B (en) * | 2019-11-12 | 2021-02-05 | 中车株洲电力机车有限公司 | Variable-track-pitch bogie and track pitch changing method thereof |
| 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 |
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| CN106740964A (en) | 2017-05-31 |
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