CN109733434A - Sealing device and gauge-changeable wheelsets for gauge-changeable wheelsets - Google Patents
Sealing device and gauge-changeable wheelsets for gauge-changeable wheelsets Download PDFInfo
- Publication number
- CN109733434A CN109733434A CN201910012719.XA CN201910012719A CN109733434A CN 109733434 A CN109733434 A CN 109733434A CN 201910012719 A CN201910012719 A CN 201910012719A CN 109733434 A CN109733434 A CN 109733434A
- Authority
- CN
- China
- Prior art keywords
- gauge
- slipping mechanism
- sealing
- sealing device
- slip ring
- 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
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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
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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
- B61F15/00—Axle-boxes
- B61F15/12—Axle-boxes with roller, needle, or ball bearings
- B61F15/16—Axle-boxes with roller, needle, or ball bearings the axle being slidable or tiltable in the bearings
-
- 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
- B61F15/00—Axle-boxes
- B61F15/20—Details
- B61F15/22—Sealing means preventing entrance of dust or leakage of oil
-
- 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
- B61F15/00—Axle-boxes
- B61F15/20—Details
- B61F15/26—Covers; Sealing thereof
-
- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Gasket Seals (AREA)
- Sealing Of Bearings (AREA)
Abstract
The present invention relates to rail vehicle gauge changing fields, provide a kind of sealing device and gauge-changeable wheelsets for gauge-changeable wheelsets, the sealing device is used between the slipping mechanism of gauge-changeable wheelsets and the journal box rear cover of axle box, the slipping mechanism can be moved axially relative to the axle box, and it can be rotated relative to the axle box, the sealing device includes sliding seal and rotary seal, the sliding seal includes the slip ring for being set in outside the slipping mechanism and being tightly connected with the journal box rear cover, the inner wall of the slip ring is axially arranged with through slot, the outer wall of the slipping mechanism is axially arranged with the protrusion being slidably matched with the through slot；The rotary seal includes the sealing baffle being fixed on the outside of the journal box rear cover, and the outer wall of the slip ring is circumferentially with annular groove, and the lower end of the sealing baffle extends into the annular groove.The present invention can be sealed between slipping mechanism and axle box, improve sealed environment, improve sealing effect.
Description
Technical field
The present invention relates to rail vehicle gauge changing technical fields, fill more particularly to a kind of sealing for gauge-changeable wheelsets
It sets 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, gauge-changeable wheelsets is proposed to this, i.e., when train driving arrives
When 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.
Wheel can slide upper slipping mechanism with the pushing of ground guided way with respect to axle box during becoming rail, and traditional is close
Seal structure can not be suitable for gauge-changeable wheelsets, how be that urgent need to resolve is asked to being sealed between slipping mechanism and axle box
Topic.
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 sealing device for gauge-changeable wheelsets, with to slipping mechanism and axle box it
Between be sealed, improve sealed environment, improve sealing effect.
(2) technical solution
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of sealing device for gauge-changeable wheelsets, institute
State sealing device for be set to gauge-changeable wheelsets slipping mechanism and axle box journal box rear cover between, the slipping mechanism can phase
The axle box is moved axially, and can rotate relative to the axle box, the sealing device include sliding seal with
Rotary seal, the sliding seal include for being set in outside the slipping mechanism and being tightly connected with the journal box rear cover
Slip ring, the inner wall of the slip ring is axially arranged with through slot, and the outer wall of the slipping mechanism is axially arranged with and the through slot is sliding
The protrusion of dynamic cooperation；The rotary seal includes the sealing baffle being fixed on the outside of the journal box rear cover, the slip ring
Outer wall is circumferentially with annular groove, and the lower end of the sealing baffle extends into the annular groove.
It further include the first sealing ring in the embodiment of the present invention, the journal box rear cover is equipped with axially extending bore, after the axle box
The inner circumferential that lid is located at the axially extending bore is equipped with the first mounting groove, and the periphery interference of first sealing ring is mounted on described first
In mounting groove, the inner circumferential of first sealing ring is pressed on the periphery of the slip ring.
In the embodiment of the present invention, the outer wall of the slipping mechanism is axially arranged with locating slot, is placed in the locating slot
The positioning key for protruding the locating slot forms the protrusion.
In the embodiment of the present invention, the inner wall of the slip ring is circumferentially with multiple through slots, the sliding plane
The outer wall of structure is circumferentially with and the through slot protrusion correspondingly.
In the embodiment of the present invention, the inner wall of the slip ring is circumferentially with two through slots, two through slots point
Set on the radially opposite sides of the inner wall of the slip ring.
In the embodiment of the present invention, the sealing baffle includes the first baffle and second baffle that docking forms annular, institute
Inner circumferential after stating first baffle and second baffle docking is located in the annular groove of the slip ring.
In the embodiment of the present invention, the section of the first baffle and second baffle is L-shaped, and the short side of the L-type is logical
The periphery that fastener is fastened on the journal box rear cover is crossed, the long side of the L-type is arranged close to the outside of the journal box rear cover.
In the embodiment of the present invention, between the slip ring and the slipping mechanism be equipped with the second sealing ring, described second
Sealing ring fixation is set in the second mounting groove of the slipping mechanism periphery.
The embodiment of the present invention also provides a kind of gauge-changeable wheelsets, including slipping mechanism, axle box and use described above
In the sealing device of gauge-changeable wheelsets, the sealing device be set to the slipping mechanism and the axle box journal box rear cover it
Between, slide axially sealing and rotary seal for the slipping mechanism.
It further include wheel and axle in the embodiment of the present invention, the wheel is slidingly disposed at the both ends of the axle,
The slipping mechanism is connect with the wheel respectively, and is located in the axle box at the axle both ends, and the wheel passes through
The slipping mechanism realizes unlock and locking, and the slipping mechanism includes inner sleeve, and the inner sleeve is set on the axle
With the axle clearance fit, the sealing device is set between the inner sleeve and the journal box rear cover of the axle box.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of sealing device for gauge-changeable wheelsets provided in an embodiment of the present invention, the sealing device are set to gauge changing
Between the slipping mechanism of wheel pair and the journal box rear cover of axle box；The sealing device includes sliding seal and rotary seal,
The sliding seal includes the slip ring for being set in outside the slipping mechanism and being tightly connected with the journal box rear cover, institute
The inner wall for stating slip ring is axially arranged with through slot, the outer wall of the slipping mechanism be axially arranged be slidably matched with the through slot it is convex
Portion, when slipping mechanism is mobile, protrusion is moved along through slot, to guarantee that slip ring can be rotated jointly with slipping mechanism, and two
Person axially opposed can slide；The rotary seal includes the sealing baffle being fixed on the outside of the journal box rear cover, described
The outer wall of slip ring is circumferentially with annular groove, and the lower end of the sealing baffle extends into the annular groove, provides for slip ring
Axially position, so that slip ring does not move axially, so that slip ring is only capable of rotating in a circumferential direction with respect to journal box rear cover, relative to
Slipping mechanism is only capable of sliding axially；The sealing device is sealed by the way that double freedom sealing is decoupled into two-stage single-degree-of-freedom,
Every layer of sealing improves sealing effect, is also beneficial to sealing element only for relative translational movement or relative rotation so as to improve sealed environment
Optimization under single influence factor, the final sealing for realizing Composite Degrees of Freedom structure.
Detailed description of the invention
Fig. 1 is a kind of axial sectional view of the sealing device for gauge-changeable wheelsets of the embodiment of the present invention；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the main view of slip ring in a kind of sealing device for gauge-changeable wheelsets of the embodiment of the present invention；
Fig. 4 is A-A cross-sectional view in Fig. 3；
In figure: 1: axle box；2: journal box rear cover；3: slipping mechanism；31: inner sleeve；32: rolling bearing；33；Outer sleeve；
34: positioning key；4: slip ring；41: through slot；42: annular groove；5: sealing baffle；6: the first sealing rings；7: the second sealing rings；8:
Axle.
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.
As Figure 1-Figure 4, the embodiment of the invention provides a kind of sealing device for gauge-changeable wheelsets, gauge changing wheels
To including slipping mechanism 3 and axle box 1, slipping mechanism 3 can move back and forth relative to the axial direction of axle box 1, to adapt to gauge changing
It is required that one end of axle box 1 is equipped with journal box front cover, after the other end is equipped with axle box in order to guarantee the basic seal request of axle box 1
Lid 2, slipping mechanism 3 is located in axle box 1 and is pierced by journal box rear cover 2 to be connect with wheel, in gauge-changeable wheelsets normal course of operation
In, slipping mechanism 3 is rotated together with wheel, and axle box 1 is relatively fixed, so that slipping mechanism 3 can be 1 turn relative to the axle box
It is dynamic, that is to say, that the translational degree of freedom that slipping mechanism 3 has rotary freedom and moves along axle box 1, the sealing device are used
Between the journal box rear cover 2 of slipping mechanism 3 and axle box 1 for being set to gauge-changeable wheelsets；Specifically, the sealing device includes sliding
Dynamic seal and rotary seal, the sliding seal include for be set in the slipping mechanism 3 it is outer and with the axle box
The slip ring 4 that rear cover 2 is tightly connected, as shown in figure 3, the inner wall of the slip ring 4 is axially arranged with through slot 41, the slipping mechanism
3 outer wall is axially arranged with the protrusion being slidably matched with the through slot 41, and when slipping mechanism 3 is mobile, protrusion is moved along through slot 41,
To guarantee that slip ring 4 can be rotated jointly with slipping mechanism 3, and the two axially opposed can be slided；The rotary seal
Part includes the sealing baffle 5 for being fixed on 2 outside of journal box rear cover, as shown in figure 4, the outer wall of the slip ring 4 is circumferentially with
Annular groove 42, the lower end of the sealing baffle 5 extend into the annular groove 42, provide axially position for slip ring 4, so that sliding
Rotating ring 4 does not move axially, so that slip ring 4 is only capable of rotating in a circumferential direction with respect to journal box rear cover 2, only relative to slipping mechanism 3
Can slide axially, the present invention by by double freedom sealing be decoupled into two-stage single-degree-of-freedom sealing, every layer seal only for
Relative translational movement or relative rotation improve sealing effect, are also beneficial to sealing element in single influence factor so as to improve sealed environment
Under optimization, the final sealing for realizing Composite Degrees of Freedom structure.
In the embodiment of the present invention, as shown in Figure 1, in order to realize the sealed connection between journal box rear cover 2 and slip ring 4,
It further include the first sealing ring 6, the first sealing ring 6 can be rubber seal, and the journal box rear cover 2 is equipped with axially extending bore, described
Journal box rear cover 2 be located at the axially extending bore inner circumferential be equipped with the first mounting groove, the first mounting groove in a ring, first sealing ring
6 periphery interference is mounted in first mounting groove, and the inner circumferential of first sealing ring 6 is pressed on the outer of the slip ring 4
In week, when slip ring 4 rotates, the periphery of slip ring 4 is rotatably and tightly connected with the first sealing ring 6.
In the embodiment of the present invention, for the ease of the formation of protrusion, the outer wall of the slipping mechanism 3 is axially arranged with positioning
Slot is placed with the positioning key 34 for protruding the locating slot, the length and the length phase of locating slot of positioning key 34 in the locating slot
Matching, the thickness of positioning key 34 are greater than the depth of locating slot, thus after positioning key 34 is mounted in locating slot, positioning key 34 it is upper
Surface is higher by locating slot, to form the protrusion, enables to slip ring 4 to rotate together with slipping mechanism 3 by the protrusion,
And protrusion is not intended to limit the axial movement of slipping mechanism 3.
In the embodiment of the present invention, the inner wall of slip ring 4 can circumferentially be equipped with a through slot 41, but in order to ensure sliding
4 stress equalization of ring, the inner wall of the slip ring 4 are circumferentially preferably provided with multiple through slots 41, and multiple through slots 41 can be evenly arranged on
The inner wall of slip ring 4 is circumferential, and the outer wall of the slipping mechanism 3 is circumferentially with one-to-one described convex with the through slot 41
Portion.
In the embodiment of the present invention, in order to which structure simplifies, the inner wall of the slip ring 4 is circumferentially with two through slots
41, two through slots 41 are divided into the radially opposite sides of the inner wall of the slip ring 4.
In the embodiment of the present invention, in order to cooperate the annular groove 42 outside slip ring 4, to the circumferential comprehensively close of annular groove 42
Envelope, the sealing baffle 5 include the first baffle and second baffle that docking forms annular, and sealing baffle 5 is divided into first gear
Plate and second baffle, in order to install from upper and lower both direction, the inner circumferential after the first baffle and second baffle docking is located at
In the annular groove 42 of the slip ring 4, when slip ring 4 rotates, the inner circumferential and annular groove of the first baffle and second baffle
42 rotary seals.
In the embodiment of the present invention, specifically, the section of the first baffle and second baffle is specially that radial section is equal
L-shaped, the short side of the L-type is by fastener such as bolt fastening in the periphery of the journal box rear cover 2, the long side of the L-type
It is arranged close to the outside of the journal box rear cover 2, and extends into annular groove 42.
In the embodiment of the present invention, it is long and narrow small―gap suture between slip ring 4 and slipping mechanism 3, itself has labyrinth work
With, as shown in Fig. 2, the second sealing ring 7, such as RUBBER O type sealing ring are equipped between the slip ring 4 and the slipping mechanism 3,
The fixation of second sealing ring 7 is set in the second mounting groove of 3 periphery of slipping mechanism, when slip ring 4 is mobile, slip ring
4 inner circumferential and the second sealing ring 7 are in sealing contact, to further increase sealing effect.
The embodiment of the present invention also provides a kind of gauge-changeable wheelsets, including slipping mechanism 3, axle box 1 and described above
For the sealing device of gauge-changeable wheelsets, the sealing device is set to the journal box rear cover of the slipping mechanism 3 and the axle box 1
Between 2, for slide axially sealing and the rotary seal of the slipping mechanism 3, the present invention is by decomposing freedom degree, needle
Each single degree of freedom is sealed respectively, reduces sealing difficulty, in the feelings for the sealing performance for guaranteeing multifreedom motion
It ensure that the high-speed operation performance of gauge-changeable wheelsets under condition.
In the embodiment of the present invention, as shown in Figure 1, further including wheel and axle 8, the wheel is slidingly disposed at described
The both ends of axle 8, it is specific he, the inner circumferential of wheel is equipped with internal spline, and the both ends of the axle 8 are respectively equipped with external splines, wheel with
The both ends of axle 8 pass through internal spline and external splines is cooperatively connected, and both convenient for transmitting torque, are also convenient for wheel movement, the sliding
Mechanism 3 is connect with the wheel respectively, and is located in the axle box 1 at 8 both ends of axle, and the wheel passes through the cunning
Telephone-moving structure 3 realizes unlock and locking, and the slipping mechanism 3 includes inner sleeve 31, and the inner sleeve 31 is set on the axle 8
With 8 clearance fit of axle, the sealing device is set between the inner sleeve 31 and the journal box rear cover 2 of the axle box 1,
To which protrusion is set to outside inner sleeve 31, and locating slot is set on inner sleeve 31；Prolong one end of inner sleeve 31 towards the wheel
It stretches out the axle box 1 and is fastenedly connected with the wheel by fastener, the elongated end of the inner sleeve 31 and the axle 8
Between there are gauge changing spaces, to guarantee in gauge changing, inner sleeve 31 has enough distances moved along axle 8, without
It can be interfered with axle 8；The slipping mechanism 3 further includes rolling bearing 32 and outer sleeve 33, the inner sleeve 31, the axis of rolling
Hold 32 and outer sleeve 33 be successively tightly sleeved from inside to outside, in vehicle wheel rotation, the inner ring of inner sleeve 31 and rolling bearing 32
It is rotated together with wheel, the outer ring of outer sleeve 33 and rolling bearing 32 keeps relatively fixed, the outer sleeve 33 and the axle box
The internal surface gaps of body 1 cooperate, and move convenient for outer sleeve 33 and inner sleeve 31,32 entirety of rolling bearing along axle box 1.By
Sealing device is set between inner sleeve 31 and the journal box rear cover 2 of axle box 1, is still able to achieve when realizing mobile inner sleeve 31 or rotation good
Good sealing, and every layer of sealing improves sealing effect only for relative translational movement or relative rotation so as to improve sealed environment.
As can be seen from the above embodiments, the present invention is by decomposing freedom degree, for each single degree of freedom point
It is not sealed, reduces sealing difficulty, ensure that gauge changing wheel in the case where guaranteeing the sealing performance of multifreedom motion
Pair high speed performance.
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 sealing device for gauge-changeable wheelsets, which is characterized in that the sealing device is used to be set to gauge-changeable wheelsets
Slipping mechanism and axle box journal box rear cover between, the slipping mechanism can be moved axially relative to the axle box, and can
It is rotated relative to the axle box, the sealing device includes sliding seal and rotary seal, the sliding seal packet
Include the slip ring for being set in outside the slipping mechanism and being tightly connected with the journal box rear cover, the inner wall axis of the slip ring
The protrusion being slidably matched with the through slot is axially arranged with to the outer wall for being equipped with through slot, the slipping mechanism；The rotary seal
Including the sealing baffle being fixed on the outside of the journal box rear cover, the outer wall of the slip ring is circumferentially with annular groove, the sealing
The lower end of baffle extends into the annular groove.
2. the sealing device according to claim 1 for gauge-changeable wheelsets, which is characterized in that further include the first sealing
Circle, the journal box rear cover are equipped with axially extending bore, and the inner circumferential that the journal box rear cover is located at the axially extending bore is equipped with the first mounting groove,
The periphery interference of first sealing ring is mounted in first mounting groove, and the inner circumferential of first sealing ring is pressed on described
The periphery of slip ring.
3. the sealing device according to claim 1 for gauge-changeable wheelsets, which is characterized in that outside the slipping mechanism
Wall is axially arranged with locating slot, and the positioning key for protruding the locating slot is placed in the locating slot, forms the protrusion.
4. the sealing device according to claim 1 for gauge-changeable wheelsets, which is characterized in that the inner wall of the slip ring
Multiple through slots are circumferentially with, the outer wall of the slipping mechanism is circumferentially with one-to-one described convex with the through slot
Portion.
5. the sealing device according to claim 4 for gauge-changeable wheelsets, which is characterized in that the inner wall of the slip ring
Two through slots are circumferentially with, two through slots are divided into the radially opposite sides of the inner wall of the slip ring.
6. the sealing device according to claim 1 for gauge-changeable wheelsets, which is characterized in that the sealing baffle includes
Docking forms the first baffle and second baffle of annular, and the inner circumferential after the first baffle and second baffle docking is located at the cunning
In the annular groove of rotating ring.
7. the sealing device according to claim 6 for gauge-changeable wheelsets, which is characterized in that the first baffle and
The section of two baffles is L-shaped, and the short side of the L-type is fastened on the periphery of the journal box rear cover by fastener, the L-type
Long side is arranged close to the outside of the journal box rear cover.
8. the sealing device according to claim 1 for gauge-changeable wheelsets, which is characterized in that the slip ring with it is described
The second sealing ring, fixed the second installation for being set in the slipping mechanism periphery of second sealing ring are equipped between slipping mechanism
In slot.
9. a kind of gauge-changeable wheelsets, which is characterized in that including slipping mechanism, axle box and such as any one of claim 1-8 institute
The sealing device for gauge-changeable wheelsets stated, after the sealing device is set to the axle box of the slipping mechanism and the axle box
Slide axially sealing and rotary seal between lid, for the slipping mechanism.
10. gauge-changeable wheelsets according to claim 9, which is characterized in that further include wheel and axle, the wheel can be slided
It is set to the both ends of the axle dynamicly, the slipping mechanism is connect with the wheel respectively, and is located at the institute at the axle both ends
It states in axle box, the wheel realizes unlock and locking by the slipping mechanism, and the slipping mechanism includes inner sleeve, described
Inner sleeve, which is set on the axle, is set to the inner sleeve and the axle box with the axle clearance fit, the sealing device
Between the journal box rear cover of body.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012719.XA CN109733434B (en) | 2019-01-07 | 2019-01-07 | Sealing device for track-variable wheel set and track-variable wheel set |
| RU2021106253A RU2759204C1 (en) | 2019-01-07 | 2019-09-26 | Sealing device for wheel set with the possibility of changing track width and wheel set with the possibility of changing track width |
| EP19908343.7A EP3909829B1 (en) | 2019-01-07 | 2019-09-26 | Sealing apparatus used for variable gauge wheelset, and variable gauge wheelset |
| ES19908343T ES2958919T3 (en) | 2019-01-07 | 2019-09-26 | Sealing device used for width change wheel set and width change wheel set |
| PL19908343.7T PL3909829T3 (en) | 2019-01-07 | 2019-09-26 | Sealing apparatus used for variable gauge wheelset, and variable gauge wheelset |
| JP2021546033A JP7066259B2 (en) | 2019-01-07 | 2019-09-26 | Sealing device for variable gauge wheel set and variable gauge wheel set |
| PCT/CN2019/108096 WO2020143251A1 (en) | 2019-01-07 | 2019-09-26 | Sealing apparatus used for variable gauge wheelset, and variable gauge wheelset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012719.XA CN109733434B (en) | 2019-01-07 | 2019-01-07 | Sealing device for track-variable wheel set and track-variable wheel set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733434A true CN109733434A (en) | 2019-05-10 |
| CN109733434B CN109733434B (en) | 2020-05-08 |
Family
ID=66363687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012719.XA Active CN109733434B (en) | 2019-01-07 | 2019-01-07 | Sealing device for track-variable wheel set and track-variable wheel set |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP3909829B1 (en) |
| JP (1) | JP7066259B2 (en) |
| CN (1) | CN109733434B (en) |
| ES (1) | ES2958919T3 (en) |
| PL (1) | PL3909829T3 (en) |
| RU (1) | RU2759204C1 (en) |
| WO (1) | WO2020143251A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143251A1 (en) * | 2019-01-07 | 2020-07-16 | 中车青岛四方机车车辆股份有限公司 | Sealing apparatus used for variable gauge wheelset, and variable gauge wheelset |
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| RU2425767C1 (en) * | 2009-08-26 | 2011-08-10 | Акционерное Общество "У.П.Э.К." | Axle box bearing assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3909829A4 (en) | 2022-04-20 |
| ES2958919T3 (en) | 2024-02-16 |
| PL3909829T3 (en) | 2024-02-26 |
| RU2759204C1 (en) | 2021-11-10 |
| CN109733434B (en) | 2020-05-08 |
| JP7066259B2 (en) | 2022-05-13 |
| EP3909829B1 (en) | 2023-09-06 |
| WO2020143251A1 (en) | 2020-07-16 |
| EP3909829A1 (en) | 2021-11-17 |
| JP2022508782A (en) | 2022-01-19 |
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