CN209008593U - Axle box and gauge-changeable bogie for gauge-changeable bogie - Google Patents
Axle box and gauge-changeable bogie for gauge-changeable bogie Download PDFInfo
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- CN209008593U CN209008593U CN201821613154.8U CN201821613154U CN209008593U CN 209008593 U CN209008593 U CN 209008593U CN 201821613154 U CN201821613154 U CN 201821613154U CN 209008593 U CN209008593 U CN 209008593U
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- axle box
- gauge
- locking pin
- axially extending
- extending bore
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Abstract
The utility model provides a kind of axle box for gauge-changeable bogie, it includes axle box, axially extending bore is axially arranged with along it in axle box, for installing the outer sleeve being slidably matched with it in axially extending bore, opposite sides outside outer sleeve is respectively equipped with the boss axially extending along outer sleeve, is equipped at intervals with multiple grooves along the length direction of the boss;The through slot being connected to the axially extending bore is equipped in axle box positioned at the opposite sides of the axially extending bore, the through slot is horizontally disposed along the length direction of the axially extending bore, for matching with the boss, opposite sides outside axle box is respectively equipped with the locking pin pilot hole of the through slot through respective side, locking pin pilot hole is moved up and down for locking pin, it is inserted into or is left corresponding groove, realizes that the outer sleeve is locked or unlocked relative to the axle box.The utility model additionally provides a kind of gauge-changeable bogie.The space in axle box is rationally utilized in the utility model, facilitates installation gauge changing mechanism.
Description
Technical field
The utility model relates to train gauge changing technical fields, more particularly to a kind of axle box for gauge-changeable bogie
And gauge-changeable 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 bogie, need that gauge changing mechanism additionally is arranged, this is to script space with regard to very compact steering
Higher design requirement is proposed for frame, and in order to make full use of the existing space of bogie, benefit is carried out to the space in axle box
With being optimal selection.However, existing structure of axle box is also unable to satisfy the installation requirement of gauge changing mechanism.
Utility model content
(1) technical problems to be solved
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
The purpose of the utility model is to provide a kind of axle boxes and gauge-changeable bogie for gauge-changeable bogie, with reasonable
Using the space in axle box, it is easily installed gauge changing mechanism.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of axle box for gauge-changeable bogie comprising
Axle box is axially arranged with axially extending bore along it in the axle box, is slidably matched for installing with it in the axially extending bore
Outer sleeve, the opposite sides outside the outer sleeve is respectively equipped with the boss axially extending along the outer sleeve, along the boss
Length direction is equipped at intervals with multiple grooves;It is equipped with and the axial direction in the axle box positioned at the opposite sides of the axially extending bore
The through slot of through-hole connection, the through slot is horizontally disposed along the length direction of the axially extending bore, for matching with the boss,
Opposite sides outside the axle box is respectively equipped with the locking pin pilot hole of the through slot through respective side, and the locking pin is led
It is moved up and down to hole for locking pin, is inserted into or leaves corresponding groove, realize that the outer sleeve is locked relative to the axle box
Tight or unlock.
The embodiments of the present invention, the axle box is arranged at the locking pin pilot hole outside is respectively equipped with guide flat
Platform, the guide table are equipped with vertical through holes and form the locking pin pilot hole.
The outer diameter of the embodiments of the present invention, the internal diameter and the locking pin of the locking pin pilot hole matches;Institute
It states locking pin pilot hole and the groove limits the locking space of the locking pin.
The embodiments of the present invention, the side wall of the guide table are respectively equipped with change rail condition monitoring sensors installation and connect
Mouthful, the change rail condition monitoring sensors installation interface is connected to the locking pin pilot hole, becomes rail condition monitoring for installing
Sensor, to monitor and judge the location status of the locking pin.
The embodiments of the present invention, the change rail condition monitoring sensors installation interface are equipped with internal screw thread, the change rail
The interconnecting piece of condition monitoring sensors is equipped with external screw thread, and the change rail condition monitoring sensors are threaded in the change track-like state
Monitoring sensor is installed in interface, and the inner wall of the probe for becoming rail condition monitoring sensors and the locking pin pilot hole is flat
Together.
The embodiments of the present invention are used for also there are earthing or grounding means interface in the axially extending bore of the axle box
Earthing or grounding means is installed.
The embodiments of the present invention, the end that the axially extending bore is located at the axle box are equipped with and the axially extending bore
The mounting groove being connected, the earthing or grounding means interface are set in the mounting groove.
The embodiments of the present invention, the axial ends that the axle box is located at the axially extending bore outside are respectively equipped with axle box
Front cover and journal box rear cover, the journal box front cover and journal box rear cover are detachably connected with the axle box.
The embodiments of the present invention, the bottom of the axle box are equipped with support plate, are coated in the support plate wear-resisting
Material.
The utility model embodiment also provides a kind of gauge-changeable bogie comprising as described in the above technical scheme to be used for
The axle box of gauge-changeable bogie.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
A kind of axle box for gauge-changeable bogie provided by the utility model comprising axle box, in the axle box
Axially extending bore is axially arranged with along it, for installing the outer sleeve being slidably matched with it in the axially extending bore, outside the outer sleeve
Opposite sides be respectively equipped with the boss axially extending along the outer sleeve, be equipped at intervals with along the length direction of the boss multiple
Groove;The through slot being connected to the axially extending bore is equipped in the axle box positioned at the opposite sides of the axially extending bore, it is described
Through slot is horizontally disposed along the length direction of the axially extending bore, opposite outside the axle box for matching with the boss
Two sides are respectively equipped with the locking pin pilot hole of the through slot through respective side, and the locking pin pilot hole is for above and below locking pin
It is mobile, it is inserted into or is left corresponding groove, realizes that the outer sleeve is locked or unlocked relative to the axle box;It should by design
Structure of axle box makes full use of the space in axle box, can provide matched peace for outer sleeve, the locking pin etc. in gauge changing mechanism
Space is filled, gauge changing is provided safeguard for wheel, while saving exterior space for bogie.
Detailed description of the invention
Fig. 1 is a kind of stereoscopic schematic diagram of the axle box for gauge-changeable bogie of the utility model;
Fig. 2 is a kind of stereoscopic schematic diagram of another angle of the axle box for gauge-changeable bogie of the utility model;
Fig. 3 is a kind of partial structural diagram for gauge-changeable bogie of the utility model;
Fig. 4 is the structural schematic diagram of the outer sleeve in a kind of axle box for gauge-changeable bogie of the utility model;
Fig. 5 is the structural schematic diagram of the locking pin in a kind of axle box for gauge-changeable bogie of the utility model;
Fig. 6 is a kind of overall structure diagram for gauge-changeable bogie of the utility model;
In figure: 1: outer sleeve;11: boss;12: groove;2: locking pin;21: shank;22: open slot;23: lug;24:
Notch;25: guiding surface;3: axle box;31: axially extending bore;32: through slot;33: guide table;34: locking pin pilot hole;35:
Journal box front cover;36: journal box rear cover;37: support plate;4: becoming rail condition monitoring sensors and interface is installed;5: earthing or grounding means interface;6:
Axle;7: wheel.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
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 describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
The concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " are meant that two
It is a or more than two.
It as depicted in figs. 1 and 2, is a kind of axle box for gauge-changeable bogie provided by the embodiment of the utility model,
Including axle box 3, axially extending bore 31 is axially arranged with along it in the axle box 3, is used for installation and its in the axially extending bore 31
The outer sleeve 1 being slidably matched, as shown in figure 4, the opposite sides outside the outer sleeve 1 is respectively equipped with along the outer sleeve 1 axially
The boss 11 of extension is equipped at intervals with multiple grooves 12 along the length direction of the boss 11;It is located at the axis in the axle box 3
The through slot 32 being connected to the axially extending bore 31 is equipped with to the opposite sides of through-hole 31, the through slot 32 is along the axially extending bore 31
Length direction it is horizontally disposed, for matching with the boss 11, when outer sleeve 1 is mounted in axle box 3, outer sleeve 1
The boss 11 of two sides extends into the through slot 32 of respective side, and outer sleeve 1 is located in axially extending bore 31, when gauge changing, 1 edge of outer sleeve
Axially extending bore 31 is mobile, meanwhile, boss 11 is moved along through slot 32, the opposite sides outside the axle box 3 be respectively equipped with through pair
The locking pin pilot hole 34 of the through slot 32 of side is answered, the locking pin pilot hole 34 is moved up and down for locking pin, locking pin
It is inserted into or leaves under external force corresponding groove 12, locking pin moves up under external force is detached from groove 12, realize unlock,
The wheel 7 of gauge-changeable wheelsets is pushed inwardly or outwardly to be moved to required gauge at this time, and it is corresponding to make locking pin move down insertion
Groove 12 realizes locking, to realize that the outer sleeve 1 is locked or unlocked relative to the axle box 3.
In the embodiments of the present invention, specifically, for the ease of locking pin pilot hole 34 is arranged, outside the axle box 3
It is arranged at the locking pin pilot hole 34 and is respectively equipped with guide table 33, the guide table 33 forms described equipped with vertical through holes
Locking pin pilot hole 34, locking pin pilot hole 34 are divided into the diametrically two sides of axially extending bore 31.
In the embodiments of the present invention, the outer diameter phase of the internal diameter and the locking pin of the locking pin pilot hole 34
Match;The locking pin pilot hole 34 limits the locking space of the locking pin with the groove 12, when locking pin is located at locking
When in space, locking is realized;Specifically, as shown in figure 5, the locking pin 2 includes shank 21, shank 21 is in the form of a column, the pin
The side (outer peripheral surface side) of body 21 offers an open slot 22, and open slot 22 is located at the middle part of 21 length direction of shank, and sells
The both ends diameter of body 21 is less than mid diameter, and the upper end of the shank 21 is connected by reset spring, an end cap of reset spring
It is located at the upper end of shank 21 and on the step surface that is connected between upper end and middle part, the other end of reset spring is fixedly connected on recessed
On the support base of 12 top of slot, reset spring is for guaranteeing after shank 21 is locked there is coupling mechanism force it to be made to be constantly in locking shape
State, and opposition is provided for shank 21 when locking again after unlock, help quick locking;The open slot 22 is along described
The radial perforation of shank 21, to facilitate shank 21, radially (left and right) is mobile back and forth, is equipped at least one in the open slot 22
The lug 23 axially extending along the shank 21, in the embodiment of the present invention, be preferably provided with two it is axial flat along the shank 21
Capable lug 23, the spacing between two lugs 23 is consistent with the spacing between two adjacent grooves 12, and two lugs are arranged
23 help to improve the stress condition of single lug 23, improve the reliability of locking, unlock, the outer surface of lug 23 and shank
21 flush with outer surface, the upper end of the lug 23 are connect with the groove top of the open slot 22, the lower end of the lug 23 and institute
Leaving certain gaps uncovered by the economic plan 24 between the slot bottom of open slot 22 is stated, the lug 23 is used to be inserted into the groove 12 from its lower end;Becoming rail
Away from when, when locking pin 2 is detached from groove 12 from bottom to top under external force straight up, lug 23 is detached from from bottom to top first
Groove 12 is moved to the top of groove 12, at this time 11 position of boss between the notch 24 and two grooves 12 of 23 lower section of lug
Relatively, when applying leftward or rightward external force, outer sleeve 1 follows wheel 7 to move together, and boss 11 is caught in notch 24 and edge
Notch 24 is mobile, and the lower end of lug 23 is supported on the table top of boss 11, until when being moved to the position of another groove 12, pin
Body 21 moves down under the effect of the opposite force of self gravity and reset spring, and lug 23 is inserted into the groove 12, realizes locking, becomes
Gauge is completed.
In the embodiments of the present invention, the width of the lug 23 and the width of the groove 12 match, in order to
After the insertion of lug 23 is detached from groove 12, and guarantee lug 23 is inserted into groove 12, entire retaining mechanism position is stablized, and is avoided the occurrence of
It shakes;The width of the notch 24 is more than or equal to the thickness of the boss 11, in order to which boss 11 can be caught in notch 24, and
It can be slided in notch 24.
In the embodiments of the present invention, the bottom surface of the shank 21 is respectively set in the two sides for being located at center axis thereof
Acclivitous guiding surface 25 can be arranged and the guiding surface to provide upward active force to shank 21 on ground
The identical guide rail of 25 gradient is mentioned when the guiding surface 25 of locking pin 2 is tilted upward along the guide rail to be moved for locking pin 2
For upward active force.
In the embodiments of the present invention, the side wall of the guide table 33, which is respectively equipped with, becomes rail condition monitoring sensors peace
Attaching mouth 4, the change rail condition monitoring sensors installation interface 4 are connected to the locking pin pilot hole 34, become rail for installing
Condition monitoring sensors, to monitor and judge the location status of the locking pin, and then safety when guarantee gauge changing.
In the embodiments of the present invention, specifically, in order to guarantee to become the reliability of rail condition monitoring sensors installation, institute
It states and becomes rail condition monitoring sensors installation interface 4 equipped with internal screw thread, the interconnecting piece for becoming rail condition monitoring sensors is equipped with outer
Screw thread, the change rail condition monitoring sensors are threaded in the change rail condition monitoring sensors installation interface 4, in order to true
Locking pin can accurately be monitored by protecting change rail condition monitoring sensors, will not influence moving up and down for locking pin, the change rail
The probe of condition monitoring sensors is directed toward locking pin, and concordant with the inner wall of the locking pin pilot hole 34.
In the embodiments of the present invention, also there are earthing or grounding means interfaces in the axially extending bore 31 of the axle box 3
5, for installing earthing or grounding means;Specifically, the end that the axially extending bore 31 is located at the axle box 3 is equipped with logical with the axial direction
The mounting groove that hole 31 is connected, the earthing or grounding means interface 5 are set in the mounting groove, and earthing or grounding means can be with outer sleeve 1
Sliding, there are exceptional spaces for mounting groove, are wanted with meeting earthing or grounding means displacement during becoming rail.
In the embodiments of the present invention, as shown in figure 3, being located at the axial direction of the axially extending bore 31 outside the axle box 3
Both ends are respectively equipped with journal box front cover 35 and journal box rear cover 36, and the journal box front cover 35 and journal box rear cover 36 and the axle box 3 can
Journal box front cover 35 and journal box rear cover 36 can be tightened in axle box by fastener after outer sleeve 1 is installed in place by dismantling connection
The gauge changing mechanism in axle box 3 is protected to prevent dust and other impurities from entering in axle box 3 in the rear and front end of body 3.
In the embodiments of the present invention, the bottom of the axle box 3 is equipped with support plate 37, by the way that the support plate is arranged
37, so that the support plate 37 supports the axle box 3, and slides relative to supporting rail when train gauge changing, avoid axis
Cabinet 3 is directly contacted with supporting rail and is worn, and wear-resistant material is coated in the support plate 37, to extend axle box
3 service life.
The utility model embodiment additionally provides a kind of gauge-changeable bogie, as shown in fig. 6, including gauge-changeable wheelsets, becomes
Gauge wheel further includes such as above-mentioned technical proposal to including axle 6 and the wheel 7 and gauge changing mechanism for being mounted on 6 both ends of axle
The axle box for gauge-changeable bogie;Gauge changing mechanism further includes interior in addition to including above-mentioned outer sleeve 1 and locking pin
Sleeve and bearing;The inner sleeve, bearing and outer sleeve 1 are successively tightly sleeved from inside to outside, during installation, one end of inner sleeve
It is fixedly connected with wheel 7, in the present embodiment, the preferred rolling bearing of bearing in order to transmit rotation, and plays the work of located lateral
With specifically, the bearing includes inner ring and outer ring, and the outer surface press-fit of the inner ring of the bearing and the inner sleeve connects
It connects, in addition, the structural strength in order to guarantee inner sleeve, inner sleeve can be designed to that one end is support shaft, and one end is the knot of tubular
Structure, the interior snare of bearing is in support shaft, and a tubular end cap is connect on axle 6 and with wheel 7, the outer ring of the bearing
It is cooperatively connected with the internal surface gaps of outer sleeve 1, to facilitate assembly and disassembly outer sleeve 1, in order to guarantee that outer sleeve 1 and bearing do not have phase
To sliding, retaining ring is set at the both ends of outer sleeve 1, so that outer sleeve 1 and bearing and inner sleeve form an overall structure,
When train operates normally, the inner ring of inner sleeve and bearing follows wheel 7 to rotate together, and the outer ring of bearing and outer sleeve 1 keep phase
To fixation;Gauge changing mechanism is located in above-mentioned axle box 3, and when train needs gauge changing, locking pin is in external force straight up
Groove 12 is detached under effect from bottom to top, realizes unlock, pushes wheel 7 inwardly or outwardly to move along axle 6 at this time, drives therewith
Outer sleeve 1, bearing and inner sleeve are whole mobile relative to locking pin, when corresponding groove 12 is moved to the underface of locking pin
When, locking pin is inserted into the groove 12 under self gravity and down force, and 7 gauge changing of wheel is completed;Specifically, adjacent two
The distance between a described groove 12 is equal to the half of required gauge changing, in gauge changing, the same time shift of wheel 7 at 6 both ends of axle
Dynamic, a half-distance of gauge changing needed for two each movements of wheel 7, then total moving distance is just the distance of required gauge changing, example
Such as become arrow gauge or broad gage from standard gauge, or becomes standard gauge from arrow gauge or broad gage, it can be according to specific need
Select institute's gauge changing.
As can be seen from the above embodiments, the structure of axle box of the utility model takes full advantage of the space in axle box, can
Matched installation space is provided for outer sleeve, the locking pin etc. in gauge changing mechanism, gauge changing is provided safeguard for wheel, is simultaneously
Bogie saves exterior space.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of axle box for gauge-changeable bogie, which is characterized in that including axle box, set in the axle box along its axial direction
There is axially extending bore, is used to that the outer sleeve being slidably matched with it, the opposite sides outside the outer sleeve are installed in the axially extending bore
It is respectively equipped with the boss axially extending along the outer sleeve, is equipped at intervals with multiple grooves along the length direction of the boss;It is described
The through slot being connected to the axially extending bore is equipped in axle box positioned at the opposite sides of the axially extending bore, the through slot is described in
The length direction of axially extending bore is horizontally disposed, and for matching with the boss, the opposite sides outside the axle box is set respectively
There is the locking pin pilot hole of the through slot through respective side, the locking pin pilot hole is moved up and down for locking pin, is inserted into
Or corresponding groove is left, realize that the outer sleeve is locked or unlocked relative to the axle box.
2. the axle box according to claim 1 for gauge-changeable bogie, which is characterized in that institute is arranged outside the axle box
It states and is respectively equipped with guide table at locking pin pilot hole, the guide table is equipped with vertical through holes and forms the locking pin guiding
Hole.
3. the axle box according to claim 1 for gauge-changeable bogie, which is characterized in that the locking pin pilot hole
The outer diameter of internal diameter and the locking pin matches;The locking pin pilot hole and the groove limit the locking of the locking pin
Space.
4. the axle box according to claim 2 for gauge-changeable bogie, which is characterized in that the side wall of the guide table
It is respectively equipped with and becomes rail condition monitoring sensors installation interface, the change rail condition monitoring sensors installation interface and the locking pin
Pilot hole connection becomes rail condition monitoring sensors for installing, to monitor and judge the location status of the locking pin.
5. the axle box according to claim 4 for gauge-changeable bogie, which is characterized in that the change rail condition monitoring passes
Sensor installs interface and is equipped with internal screw thread, and the interconnecting piece for becoming rail condition monitoring sensors is equipped with external screw thread, the change track-like state
Monitoring sensor is threaded in the change rail condition monitoring sensors installation interface, the change rail condition monitoring sensors
It pops one's head in concordant with the inner wall of the locking pin pilot hole.
6. the axle box according to claim 1 for gauge-changeable bogie, which is characterized in that the axis of the axle box
Into through-hole, also there are earthing or grounding means interfaces, for installing earthing or grounding means.
7. the axle box according to claim 6 for gauge-changeable bogie, which is characterized in that the axially extending bore is located at institute
The end for stating axle box is equipped with the mounting groove being connected with the axially extending bore, and the earthing or grounding means interface is set to the mounting groove
In.
8. the axle box according to claim 1 for gauge-changeable bogie, which is characterized in that be located at institute outside the axle box
The axial ends for stating axially extending bore is respectively equipped with journal box front cover and journal box rear cover, the journal box front cover and journal box rear cover and the axis
Cabinet is detachably connected.
9. the axle box according to claim 1-8 for gauge-changeable bogie, which is characterized in that the axle box
Bottom be equipped with support plate, wear-resistant material is coated in the support plate.
10. a kind of gauge-changeable bogie, which is characterized in that described in any item for gauge changing turn including such as claim 1-9
To the axle box of frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821613154.8U CN209008593U (en) | 2018-09-30 | 2018-09-30 | Axle box and gauge-changeable bogie for gauge-changeable bogie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821613154.8U CN209008593U (en) | 2018-09-30 | 2018-09-30 | Axle box and gauge-changeable bogie for gauge-changeable bogie |
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Publication Number | Publication Date |
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CN209008593U true CN209008593U (en) | 2019-06-21 |
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ID=66835049
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CN201821613154.8U Active CN209008593U (en) | 2018-09-30 | 2018-09-30 | Axle box and gauge-changeable bogie for gauge-changeable bogie |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115230769A (en) * | 2022-08-30 | 2022-10-25 | 中车大同电力机车有限公司 | Axle box device for track-distance-variable locomotive wheel pair |
-
2018
- 2018-09-30 CN CN201821613154.8U patent/CN209008593U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115230769A (en) * | 2022-08-30 | 2022-10-25 | 中车大同电力机车有限公司 | Axle box device for track-distance-variable locomotive wheel pair |
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