CN108909763A - A kind of gauge-changeable wheelsets axle box and gauge-changeable bogie - Google Patents
A kind of gauge-changeable wheelsets axle box and gauge-changeable bogie Download PDFInfo
- Publication number
- CN108909763A CN108909763A CN201810732809.1A CN201810732809A CN108909763A CN 108909763 A CN108909763 A CN 108909763A CN 201810732809 A CN201810732809 A CN 201810732809A CN 108909763 A CN108909763 A CN 108909763A
- Authority
- CN
- China
- Prior art keywords
- axle box
- gauge
- bearing outside
- locking
- changeable
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
-
- 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
-
- 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
Abstract
The present invention relates to rail vehicle gauge changing fields, disclose a kind of gauge-changeable wheelsets axle box, it includes axle box, channel is axially arranged with along it in axle box, for installing the bearing outside being slidably matched with it and the check lock lever for locking or unlocking bearing outside in channel, the inner circumferential of bearing outside is equipped with locking working face；It locks working face and is equipped with multiple inner grooves along its axially spaced-apart, and it is equipped with the sliding groove axially through multiple inner grooves, the bottom of axle box is equipped with matching hole that is opposite with sliding groove location and matching, check lock lever includes locking head and unlocking head, locking head is for being caught in inner groove, so that bearing outside is locked relative to axle box；Unlocking head extends sliding groove and matching hole, and can make under external force locking head leave where inner groove so that bearing outside relative to axle box unlock.The invention also discloses a kind of gauge-changeable bogies.The present invention takes full advantage of the inner space of axle box, provides safeguard for wheel to gauge changing.
Description
Technical field
The present invention relates to rail vehicle gauge changing technical fields, more particularly to a kind of gauge-changeable wheelsets axle box and become rail
Away from bogie.
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, and the train of gauge changing is proposed to this, that is, works as train driving
When on to 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.
For gauge-changeable wheelsets, need that gauge changing mechanism additionally is arranged, this is to script space with regard to very compact bogie
For propose higher design requirement, in order to make full use of the existing space of bogie, the space in axle box is utilized
It is optimal selection.However, existing structure of axle box is also unable to satisfy the installation requirement of gauge changing mechanism.
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 gauge-changeable wheelsets axle boxes, improve to structure of axle box, to make full use of
The inner space of axle box makes it meet the installation requirement of gauge changing mechanism.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of gauge-changeable wheelsets axle boxes comprising axle box, it is described
Channel is axially arranged with along it in axle box, is used to the bearing outside being slidably matched with it be installed and for locking in the channel
Or the check lock lever of the unlock bearing outside, the inner circumferential of the bearing outside are equipped with locking working face；The locking working face edge
Its axially spaced-apart is equipped with multiple inner grooves, and is equipped with the sliding groove axially through multiple inner grooves, the bottom of the axle box
Portion is equipped with and the matching hole that matches opposite with the sliding groove location, and the check lock lever includes locking head and unlocking head, described
Locking head is for being caught in the inner groove, so that the bearing outside is locked relative to the axle box；The unlocking head is prolonged
Stretch out the sliding groove and matching hole, and can make under external force the locking head leave where inner groove so that institute
Bearing outside is stated to unlock relative to the axle box.
Wherein, the axial length in the channel is greater than the axial length of the bearing outside, and the length being greater than is equal to
The half of required gauge changing.
Wherein, the channel is in the circular hole adaptable with the outer surface of the bearing outside.
Wherein, the inner circumferential of the bearing outside is equipped with circular orientation boss, and the circular orientation boss will be outside the bearing
The inner peripheral surface of set is divided into press fitting working face and the locking working face；
Bearing assembly and connector sleeve are equipped in the bearing outside, the inner ring of the bearing assembly is fitted in the connector sleeve
Periphery, the outer ring of the bearing assembly is fitted in the press fitting working face；The connector sleeve is used on the outside of the wheel hub with wheel
It is fixedly connected.
Wherein, the axle box is equipped with the outer end cap being detachably connected with it, and the inner end cap of the axle box is equipped with for institute
State the through-hole that connector sleeve passes through.
Wherein, the press fitting working face of the bearing outside is arranged towards the inner end cap side of the axle box, the bearing
The locking working face of housing is arranged towards the outer end cap side of the axle box.
Wherein, the bottom of the axle box is equipped with support plate, is coated with wear-resistant material in the support plate.
Wherein, the check lock lever includes the body of rod, and one end of the body of rod is equipped with arc section and forms the locking head, the solution
Tapered end is set to the other end of the body of rod, and radian and width and the inner groove of the arc section match；The body of rod from
The sliding groove and matching hole are successively pierced by, and the body of rod is equipped with spring bearing platform, are located at the spring bearing platform on the body of rod
Locking spring is arranged between the axle box.
Wherein, the sliding groove is square with the matching hole, and width is equal to the width of the body of rod.
Wherein, the inner groove includes two, and the distance between two described inner grooves are equal to the half of required gauge changing.
The present invention also provides a kind of gauge-changeable bogies comprising gauge-changeable wheelsets axle box described above；Gauge changing
Wheel is mounted on the gauge-changeable bogie to by the axle box.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages that：
A kind of gauge-changeable wheelsets axle box provided by the invention comprising axle box, the axle box is interior to be set along its axial direction
There is channel, is used to the bearing outside being slidably matched with it be installed and for locking or unlocking the bearing outside in the channel
Check lock lever, the inner circumferential of the bearing outside is equipped with locking working face；The locking working face is equipped with multiple along its axially spaced-apart
Inner groove, and it is equipped with the sliding groove axially through multiple inner grooves, the bottom of the axle box is equipped with and the sliding groove
Position is opposite and the matching hole that matches, and the check lock lever includes locking head and unlocking head, and the locking head is described for being caught in
In inner groove, so that the bearing outside is locked relative to the axle box；The unlocking head is extended the sliding groove and is matched
Close hole, and can make under external force the locking head leave where inner groove so that the bearing outside is relative to institute
State axle box unlock；It is designed by the axle box structure, makes full use of the intracorporal space of axle box, it can be in gauge changing mechanism
Bearing outside, check lock lever etc. provide matched installation space, provide safeguard for wheel to gauge changing, while being outside bogie saves
Portion space, facilitates gauge-changeable wheelsets and bogie is installed, so that overall structure is more compact.
Detailed description of the invention
Fig. 1 is the installation relation axial direction schematic cross-sectional view of gauge-changeable wheelsets and axle box of the invention；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the structural schematic diagram of the bearing outside in the present invention；
Fig. 4 is the structural schematic diagram of the check lock lever in the present invention；
In figure：1：Wheel；11：Connector sleeve；2：Axle；3：Axle box；4：Bearing outside；41：Circular orientation boss；42：
Inner groove；43：Sliding groove；44：Lock working face；45：It is pressed working face；5：Bearing assembly；6：Check lock lever；61：The body of rod；62：
Spring bearing platform；63：Locking spring；64：Locking head；65：Unlocking head.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
As illustrated in fig. 1 and 2, the embodiment of the invention provides a kind of gauge-changeable wheelsets axle boxes comprising axle box 3, institute
It states in axle box 3 and is axially arranged with channel along it, in the channel be used to that the bearing outside 4 being slidably matched with it to be installed and be used for
The check lock lever 6 of the bearing outside 4 is locked or unlocks, as shown in figure 3, the inner circumferential of the bearing outside 4 is convex equipped with circular orientation
The inner peripheral surface of the bearing outside 4 is divided into press fitting working face 45 and locking working face 44 by platform 41, circular orientation boss 41；Institute
It states and is equipped with bearing assembly 5 and connector sleeve 11 in bearing outside 4, the inner ring of the bearing assembly 5 is fitted in the connector sleeve 11
Periphery, the outer ring of the bearing assembly 5 are fitted in the press fitting working face 45；The connector sleeve 11 is for the wheel hub with wheel 1
Outside is fixedly connected；The locking working face 44 is equipped with multiple inner grooves 42 along its axially spaced-apart, and is equipped with axially through multiple
The sliding groove 43 of the inner groove 42, the bottom of the axle box 3 are equipped with 43 position of sliding groove opposite and match
Matching hole, it is preferable that shape, size and the sliding groove 43 of matching hole are consistent, and the check lock lever 6 specifically includes the reconciliation of locking head 64
Tapered end 65, for the locking head 64 for being caught in the inner groove 42, unlocking head 65 extends sliding groove 43 and matching hole, so that
The bearing outside 4 is locked relative to the axle box 3；The unlocking head 65 for extending the sliding groove 43 and matching hole can
Inner groove 42 where leaving the locking head 64, so that the bearing outside 4 is relative to the axis
Cabinet 3 unlocks；It is designed by 3 structure of axle box, makes full use of the space in axle box 3, it can be in gauge changing mechanism
Bearing outside 4, check lock lever 6 etc. provide matched installation space and gauge changing space, provide safeguard for wheel to gauge changing, are simultaneously
Bogie saves exterior space, facilitates gauge-changeable wheelsets and bogie is installed, so that overall structure is more compact.Specifically
Ground, before gauge changing, wheel 1 is always maintained at locking state, and the unlocking head 65 extends the sliding groove 43 and matching hole,
When needing gauge changing, unlocking head 65 moves up under external force preferably upward thrust so that the locking head 64 from
Inner groove 42 where opening applies thrust inwardly or outwardly to wheel 1 at this time, so that wheel 1, bearing assembly 5 and bearing
Housing 4 is whole to be moved in or out, and the sliding groove 43 described in moving process and matching hole are mobile relative to check lock lever 6, directly
To when reaching another inner groove 42, external force revocation, the decline of locking head 64, which is caught in again in corresponding inner groove 42, realizes locking,
It ensure that locking head 64 switches between multiple inner grooves 42, so that completing wheel 1 converts gauge, structure is simple, operation
It is convenient.
In order to there is enough gauge changing spaces when guaranteeing that wheel 1 unlocks, the axial length in the channel is greater than the bearing
The axial length of housing 4, and the length being greater than is equal to the half of required gauge changing, when the wheel 1 of two sides moves gauge changing
A half-distance when, total moving distance is the distance of required gauge changing.
Wherein, the channel is in the circular hole adaptable with the outer surface of the bearing outside 4；The bearing outside 4 and institute
3 clearance fit of axle box is stated, so that wheel 1, connector sleeve 11, bearing assembly 5 and bearing outside 4 are fastened together,
Entirety can be mobile relative to axle box 3.In order to guarantee enough intensity, the wheel hub one of the connector sleeve 11 and the wheel 1
It is body formed, form the wheel hub of lengthening.The wheel hub inner circumferential of wheel 1 and/or the inner circumferential of the connector sleeve 11 are equipped with internal spline, it can
Internal spline only is set in the wheel hub inner circumferential of wheel 1 or internal spline only is set in the inner circumferential of connector sleeve 11, it can also be in the wheel of wheel 1
Hub inner circumferential and the inner circumferential of connector sleeve 11 are arranged internal spline simultaneously, in the present embodiment, for the ease of setting, the preferably wheel in wheel 1
Hub inner circumferential and the inner circumferential of connector sleeve 11 be arranged simultaneously through both internal spline, the both ends of the axle 2 be respectively equipped with it is described
The external splines that internal spline matches, the wheel 1 are connect by the internal spline with external splines with the axle 2, are used for vehicle
The torque that axis 2 rotates passes to two sides wheel 1, is also convenient for wheel 1 and slides along axle 2, it is preferable that external splines is pacified set on wheel 1
It fills on seat, and the length of 1 mounting base of wheel is greater than the hub length lengthened, lengthens the half that distance is equal to gauge changing；Outside bearing
Set 4 is fitted in the periphery of the connector sleeve 11 of the wheel 1 by bearing assembly 5 respectively, and is located at the axle box at 2 both ends of axle
In body 3, retaining mechanism is respectively arranged in the outside axle box 3 of wheel 1, the axle 2 of 1 inboard portion of wheel and traditional axle 2
It is consistent, is on the one hand the components such as the motor, the gear-box that are mounted on 1 inside axle 2 of wheel there are enough design spaces,
On the other hand it can be consistent, be transformed convenient for existing vehicle batch, the locking assembly is for driving institute with the interface of existing vehicle
Wheel 1 is stated along the axial movement or locking of the axle box 3, to realize that wheel 1 converts gauge, to adapt to different gauge changings
Demand.
For the ease of installing the components such as bearing assembly 5, bearing outside 4 and check lock lever 6, the axis from the outer end of axle box 3
Cabinet 3 is equipped with the outer end cap being detachably connected with it and outer end cap is covered, to axis after each component is mounted in axle box 3
Each component in cabinet 3 plays a protective role, and the inner end cap of the axle box 3 is equipped with the through-hole passed through for the connector sleeve 11,
When wheel 1 is mobile, connector sleeve 11 is moved together.
Specifically, as shown in Fig. 2, press fitting inner end cap one of the working face 45 towards the axle box 3 of the bearing outside 4
The locking working face 44 of side setting, the bearing outside 4 is arranged towards the outer end cap side of the axle box 3, thus after installation,
Check lock lever 6 is located relatively at the outside of bearing outside 4, and bearing assembly 5 is located relatively at the inside of bearing outside 4, in order to axle box 3
Interior space reasonable arrangement.
Specifically, as shown in figure 4, the check lock lever 6 includes the body of rod 61, one end of the body of rod 61 is formed equipped with arc section
The locking head 64, the unlocking head 65 be set to the body of rod 61 the other end, the radian and width of the arc section with it is described
Inner groove 42 matches；The body of rod 61 is successively pierced by from the sliding groove 43 and matching hole, and the body of rod 61 is equipped with spring
Cushion cap 62 is arranged with locking spring 63 between the spring bearing platform 62 and the axle box 3 on the body of rod 61.Lock bullet
One end of spring 63 and the lower end of axle box 3 against, the upper surface of the other end and spring bearing platform 62 against；In 1 locking state of wheel
When, locking spring 63 is in nature pre-compressed state, makes locking head 64 be clamped on corresponding inner groove 42 by the spring force
In, realize that wheel 1 is locked, when wheel 1 needs to unlock, unlocking head 65 is by upward active force, the lock of the compression of the body of rod 61 at this time
Tight spring 63 simultaneously rises, so that locking head 64 leaves inner groove 42, applies thrust outwardly or inwardly to wheel 1 at this time, works as vehicle
Wheel 1 is when being moved to 42 position of inner groove of corresponding gauge, cancel the upward active force of unlocking head 65 and stop wheel 1 inwardly or to
Outer thrust so that the body of rod 61 be driven to move down, and then makes at this point, locking spring 63 moves down under spring force
It obtains in the inner groove 42 after locking head 64 is caught in gauge changing, locks again, complete gauge changing.
In the embodiment of the present invention, the sliding groove 43 is square with the matching hole, and width is equal to the body of rod
61 width.So that the body of rod 61 can only be moved along sliding groove 43 and the matching hole length direction, and width direction is not moved
It is dynamic, to guarantee to unlock and lock the not longitudinal shaking of rear wheel 1 and axle box 3.The length of sliding groove 43 and the matching hole
The half that degree is equal to institute's gauge changing adds the thickness of two check lock levers 6.In the embodiment of the present invention, in order to guarantee that axle box 3 has
There are enough wearabilities, support plate is set in the bottom of axle box 3, and be coated with wear-resistant material in the support plate.
In the embodiment of the present invention, in order to guarantee that bearing outside 4 and axle box 3 have suitable length, the inner groove
42 include two, and the distance between two described inner grooves 42 are equal to the half of required gauge changing, and structure is simple, and gauge changing is convenient
It realizes, certainly, as needed, more than two also can be set in inner groove 42.
The present invention also provides a kind of gauge-changeable bogies comprising gauge-changeable wheelsets axle box described above；Gauge changing
Wheel is mounted on the gauge-changeable bogie to by the axle box 3, and the connector sleeve 11 of wheel 1 extends into axle box 3, axis
The inner ring of bearing assembly 5 is fitted in the periphery of connector sleeve 11, and the outer ring of bearing assembly 5 is fitted in the press fitting working face of bearing outside 4
45, bearing outside 4 and 3 clearance fit of axle box；To take full advantage of the inner space of axle box 3, it is convenient for gauge-changeable wheelsets
It is connect with bogie, saves bogie exterior space.
The working principle of the invention and operating process are as follows：Vehicle is to realize gauge when the speed of service is no more than 15km/h
Transformation, by taking gauge is from 1435mm to 1520mm as an example.
In order to realize that the gauge changing of the wheel pair, wheel 1 are not subject to any load in gauge conversion process, this function
It is supported on the axle box supporting rail of ground rail changing device and is realized by 3 loading end of axle box, specifically, axle box supporting rail is using rolling
Sub- support construction, to reduce the abrasion of axle box loading end, unlock rail is to rise rail level structure, its ascending amount is excellent in unlocking process
It is selected as 35mm, that is to say, that in the process, the load of wheel 1 is undertaken by axle box 3.
The uninstall process of wheel 1 is realized by a continuous smoothly mode, is made before the interruption of standard gauge rail
It declines, and at the same time, the load of wheel 1 is undertaken by axle box 3.
Once wheel 1 unloads, tripper must realize unlocking function, the unlocking head 65 and phase of the T-type of 6 lower end of check lock lever
The unlock rail cooperation with rising ramp answered, makes check lock lever 6 compress locking spring 63 and moves upwards realization wheel 1 and axle 2
Unlock.
The laterally free degree of wheel 1 is released, and wheel 1 is forced to new gauge movement in middle rail in corresponding sliding, this
When the bearing assembly 5 being fitted on wheel 1 and the bearing outside 4 being fitted on bearing outer ring with wheel 1 sliding in
It is moved laterally together under the action of rail to adapt to new gauge.
When wheel 1 is locked, check lock lever 6 moves downward under the action of 63 restoring force of locking spring, and locking head 64 cooperates
Into in the inner groove 42 of the bearing outside 4 where new gauge.
Vehicle moves on, and new broad gauge rail is in rising ramp, is added to load again on wheel 1, axle box supporting rail
It terminates, completes the overall process of gauge changing at this time, wheel 1 starts to move forwards with new gauge 1520mm.
The reverse procedure on track from the orbit transfer of larger gauge to smaller gauge is realized in the same way.
As can be seen from the above embodiments, the present invention takes full advantage of the intracorporal space of axle box, can be gauge changing mechanism
In bearing outside, check lock lever etc. matched installation space is provided, gauge changing is provided safeguard for wheel, while being saved for bogie
Exterior space, facilitates gauge-changeable wheelsets and bogie is installed, so that overall structure is more compact.
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 (11)
1. a kind of gauge-changeable wheelsets axle box, which is characterized in that including axle box, be axially arranged in the axle box along it logical
Road, for installing the bearing outside being slidably matched with it and the lock for locking or unlocking the bearing outside in the channel
Tight bar, the inner circumferential of the bearing outside are equipped with locking working face；The locking working face is equipped with multiple inner ring along its axially spaced-apart
Slot, and it is equipped with the sliding groove axially through multiple inner grooves, the bottom of the axle box is equipped with and the sliding groove location
Matching hole that is opposite and matching, the check lock lever include locking head and unlocking head, and the locking head is for being caught in the inner ring
In slot, so that the bearing outside is locked relative to the axle box；The unlocking head extends the sliding groove and matching hole,
And the inner groove where the locking head can be made to leave under external force, so that the bearing outside is relative to the axle box
Body unlock.
2. gauge-changeable wheelsets axle box according to claim 1, which is characterized in that the axial length in the channel is greater than institute
The length stating the axial length of bearing outside, and being greater than is equal to the half of required gauge changing.
3. gauge-changeable wheelsets axle box according to claim 1, which is characterized in that the channel is in and the bearing outside
The adaptable circular hole in outer surface.
4. gauge-changeable wheelsets axle box according to claim 1, which is characterized in that the inner circumferential of the bearing outside is equipped with ring
The inner peripheral surface of the bearing outside is divided into press fitting working face and the locking work by shape positioning convex platform, the circular orientation boss
Make face；
Bearing assembly and connector sleeve are equipped in the bearing outside, the inner ring of the bearing assembly is fitted in the outer of the connector sleeve
Week, the outer ring of the bearing assembly are fitted in the press fitting working face；The connector sleeve is used for fixed on the outside of the wheel hub with wheel
Connection.
5. gauge-changeable wheelsets axle box according to claim 4, which is characterized in that the axle box is equipped with detachable with it
The outer end cap of connection, the inner end cap of the axle box are equipped with the through-hole passed through for the connector sleeve.
6. gauge-changeable wheelsets axle box according to claim 5, which is characterized in that the press fitting working face of the bearing outside
It is arranged towards the inner end cap side of the axle box, locking outer end cap of the working face towards the axle box of the bearing outside
Side setting.
7. gauge-changeable wheelsets axle box according to claim 1, which is characterized in that the bottom of the axle box is equipped with support
Plate is coated with wear-resistant material in the support plate.
8. gauge-changeable wheelsets axle box according to claim 1-7, which is characterized in that the check lock lever includes bar
Body, one end of the body of rod are equipped with arc section and form the locking head, and the unlocking head is set to the other end of the body of rod, described
The radian and width of arc section match with the inner groove；The body of rod is successively pierced by from the sliding groove and matching hole, institute
It states the body of rod and is equipped with spring bearing platform, be arranged with locking bullet between the spring bearing platform and the axle box on the body of rod
Spring.
9. gauge-changeable wheelsets axle box according to claim 8, which is characterized in that the sliding groove and the matching hole are equal
It is square, width is equal to the width of the body of rod.
10. gauge-changeable wheelsets axle box according to claim 8, which is characterized in that the inner groove includes two, two
The distance between described inner groove is equal to the half of required gauge changing.
11. a kind of gauge-changeable bogie, which is characterized in that used including the described in any item gauge-changeable wheelsets of such as claim 1-10
Axle box；Gauge-changeable wheelsets are mounted on the gauge-changeable bogie by the axle box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732809.1A CN108909763B (en) | 2018-07-05 | 2018-07-05 | Axle box for variable-gauge wheel set and variable-gauge bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732809.1A CN108909763B (en) | 2018-07-05 | 2018-07-05 | Axle box for variable-gauge wheel set and variable-gauge bogie |
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| Publication Number | Publication Date |
|---|---|
| CN108909763A true CN108909763A (en) | 2018-11-30 |
| CN108909763B CN108909763B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810732809.1A Active CN108909763B (en) | 2018-07-05 | 2018-07-05 | Axle box for variable-gauge wheel set and variable-gauge bogie |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830123A (en) * | 2021-11-11 | 2021-12-24 | 中车株洲电力机车有限公司 | Wheel set for rail vehicle variable-gauge bogie and bogie |
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| KR100799338B1 (en) * | 2006-10-19 | 2008-01-30 | 한국철도기술연구원 | Gauge-changeable wheelset and rail for railway vehicle |
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| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830123A (en) * | 2021-11-11 | 2021-12-24 | 中车株洲电力机车有限公司 | Wheel set for rail vehicle variable-gauge bogie and bogie |
| WO2023082671A1 (en) * | 2021-11-11 | 2023-05-19 | 中车株洲电力机车有限公司 | Wheelset for gauge-changeable bogie for rail vehicle, and bogie |
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