CN108909759A - A kind of wheel pair for gauge change train - Google Patents
A kind of wheel pair for gauge change train Download PDFInfo
- Publication number
- CN108909759A CN108909759A CN201810730888.2A CN201810730888A CN108909759A CN 108909759 A CN108909759 A CN 108909759A CN 201810730888 A CN201810730888 A CN 201810730888A CN 108909759 A CN108909759 A CN 108909759A
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- China
- Prior art keywords
- wheel
- latch segment
- axle
- gauge
- inner sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to train gauge changing technical fields, disclose a kind of wheel pair for gauge change train, including wheel, axle and locking device；The wheel passes through inner sleeve and the axle slidable connection, the wheel fixation is set on the inner sleeve, the locking device includes locking assembly, latch segment conciliates lock set, the locking assembly fixing sleeve is set on the inner sleeve of the lateral wheel, and it is located in the axle box at the axle both ends, the latch segment elastic connection is in the axle box, it changes direction along gauge equipped with multiple card slots the outer surface of the locking assembly, the latch segment is inserted into the card slot under the thrust of the solution lock set realizes the wheel locking, by pushing the solution lock set to leave the latch segment, the latch segment shrinks away from the card slot upwards in the presence of a tensile force and realizes the wheel unlock.The present invention unlocks and locks simple and reliable, meets the gauge changing demand of train.
Description
Technical field
The present invention relates to train gauge changing technical fields, more particularly to a kind of wheel pair for gauge change train.
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 proposes the train of gauge changing to this, that is, works as train to cause the problem of hindering to transnational railway transportation
When driving 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.
During train gauge changing, the spacing being arranged between the wheel at axle both ends can be adjusted, and be needed at this time
It moves wheel on the axis direction of axle, after the spacing adjustment between wheel, then needs to make wheel in axle
Axis direction on be kept fixed.Structure is complicated for existing gauge-changeable wheelsets, and reliability is not high when gauge changing, is unable to satisfy at present
The demand of train gauge changing.
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 structure is simple, gauge changing is reliably used for the wheel pair of gauge change train.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of wheels pair for gauge change train, including wheel, axle
And locking device；The wheel is set in the inner sleeve by inner sleeve and the axle slidable connection, the wheel fixation
On cylinder, the locking device includes locking assembly, latch segment reconciliation lock set, and the locking assembly fixing sleeve is set to the wheel
On the inner sleeve in outside, and it is located in the axle box at the axle both ends, the latch segment elastic connection is in the axle box
In body, outer surface the changing direction equipped with multiple card slots along gauge of the locking assembly, the latch segment is in the unlock group
It is inserted under the thrust of part in the card slot and realizes the wheel locking, by pushing the solution lock set to leave the locking
Block, the latch segment shrink away from the card slot upwards in the presence of a tensile force and realize the wheel unlock.
Wherein, the inner circumferential of the inner sleeve is equipped with internal spline, and the both ends of the axle are respectively equipped with and the internal spline phase
Matched external splines, the inner sleeve are connect by the internal spline with external splines with the axle.
Wherein, the locking assembly includes bearing and bearing outside, and the inner ring of the bearing is fitted on the inner sleeve,
The bearing outside is fitted in the outer ring of the bearing, clearance fit between the bearing outside and the axle box；The axis
The peripheral distribution for holding housing has card slot described in multiple groups, and card slot described in every group includes that multiple axially spaced-aparts along the bearing outside are set
The card slot set, the distance at interval are equal to the half of required gauge changing.
Wherein, the latch segment is arranged along the inner circumferential of the axle box, and passes through the first elastic component and the axle box
Inner wall connection.
Wherein, the solution lock set includes the pushing block of terminal pad and elastic connection the disk circumferential direction in the terminal pad, institute
It states terminal pad to be located at outside the outer end face of the axle box, the outer end face of the axle box is equipped with and the pushing block one-to-one the
One through-hole, the pushing block across the first through hole and on the inside of the outer end face of each pushing block and the axle box set
There is the second elastic component, the pushing block is arranged in a one-to-one correspondence with the latch segment.
Wherein, the outer end of the pushing block is set as inclined surface, and the latch segment is equipped with corresponding with the inclined surface
Wedge groove, the inclined surface and wedge groove tilt from bottom to top from outside to inside.
Wherein, the periphery of the terminal pad is equipped with solution lock end, and the solution lock end is used to be caught in the unlock rail on ground,
The outside for pushing the terminal pad to unlock rail by the through slot in the unlock rail is mobile, so that the pushing block be driven to leave institute
Latch segment is stated, is unlocked.
Wherein, the locking assembly further includes latch segment locating ring, and the latch segment locating ring fixing sleeve is set to the axis
In cabinet, the second through-hole is equipped at the circumferential direction of the latch segment locating ring and the relative position of the latch segment, and in the lock
The outer end face of tight block locating ring is equipped with the channel for corresponding and being connected to second through-hole；The channel is used for the pushing block
Into.
Wherein, the axle box and the latch segment locating ring are equipped with there are the locks between one end of second through-hole
The activity spacing of tight block.
Wherein, the axle is equipped with wheel mounting base, and the diameter of the wheel mounting base is greater than the diameter of the axle, institute
It states inner sleeve to be stepped, the big end of the inner sleeve is set in the wheel mounting base, and the small end of the inner sleeve is arranged
On the axle on the outside of the wheel mounting base；And the length of the inner sleeve is less than wheel mounting base and the vehicle on the outside of it
The sum of shaft length, the length being less than are equal to the half of required gauge changing.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages that：
A kind of wheel pair for gauge change train provided by the invention, including wheel, axle and locking device；The wheel
By inner sleeve and the axle slidable connection, convenient for the installation and removal of wheel, the wheel is fixed to be set in described
On sleeve, the locking device includes locking assembly, latch segment reconciliation lock set, and the locking assembly fixing sleeve is set to the vehicle
On the inner sleeve for taking turns outside, and it is located in the axle box at the axle both ends, the latch segment elastic connection is in the axis
In cabinet, outer surface the changing direction equipped with multiple card slots along gauge of the locking assembly, the latch segment is in the unlock
It is inserted under the thrust of component in the card slot and realizes the wheel locking, by pushing the solution lock set to leave the lock
Tight block, the latch segment shrink away from the card slot upwards in the presence of a tensile force and realize the wheel unlock；Change of the invention
Gauge wheel pair, reliable lock, convenient for unlocking meet the demand of train gauge changing.
Detailed description of the invention
Fig. 1 is a kind of axial sectional view of the wheel pair for gauge change train of the present invention；
Fig. 2 is the left-half schematic diagram in Fig. 1 of the present invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the structural schematic diagram of locking device in the present invention；
Fig. 5 is the top view that rail is unlocked in the present invention；
Fig. 6 is the structural schematic diagram that lock set is solved in the present invention；
Fig. 7 is the schematic perspective view of latch segment in the present invention；
Fig. 8 is the structural schematic diagram of the latch segment locating ring in the present invention；
Fig. 9 is the structural schematic diagram of middle (center) bearing housing of the present invention；
Figure 10 is the structural schematic diagram of axle box in the present invention；
Figure 11 is the structural schematic diagram of inner sleeve in the present invention；
Figure 12 is the structural schematic diagram of axle in the present invention；
In figure：1- bearing；2- axle box；3- bearing outside；4- latch segment locating ring；The second through-hole of 5-；6- latch segment；7-
Card slot；8- first through hole；9- pushing block；The channel 10-；The inclined surface 11-；12- wedge groove；The second elastic component of 13-；The first elasticity of 14-
Part；15- terminal pad；16- unlocks rail；17- through slot；18- wheel；19- axle；20- inner sleeve；21- external splines；22- internal spline；
The first chamfering of 23-；The second chamfering of 24-；25- support plate.
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 shown in Figs 1-4, the embodiment of the invention provides a kind of wheels pair for gauge change train, including wheel 18, vehicle
Axis 19 and locking device；The wheel 18 passes through inner sleeve 20 and 19 slidable connection of axle, 18 fixing sleeve of wheel
It is located on the inner sleeve 20, the two interference is connected as an entirety, it is ensured that turns round when between wheel 18 and inner sleeve 20
When square transmits, it is not susceptible to relative motion between inner sleeve 20 and wheel 18, is ensured that between wheel 18 and inner sleeve 20
Overall stability；As depicted in figs. 11-12, the specific connection type of inner sleeve 20 and axle 19 uses the inner circumferential in inner sleeve 20
Equipped with internal spline 22, the both ends of the axle 19 are respectively equipped with the external splines 21 to match with the internal spline 22, the inner sleeve
Cylinder 20 passes through the internal spline 22 with the axle 19 and connect with external splines 21, so that torque is evenly distributed on wheel 18 and interior
The inner circumferential of sleeve 20 is also convenient for wheel 18 along axle 19 and slides realization gauge changing, moreover, because wheel both convenient for transmitting torque
18 will not directly be in contact with axle 19, because of the abrasion of the wheel 18 without caused by, to improve the service life of wheel 18；
The locking device includes locking assembly, the reconciliation lock set of latch segment 6, and the locking assembly fixing sleeve is set to outside the wheel 18
On the inner sleeve 20 of side, and it is located in the axle box 2 at 19 both ends of axle, 6 elastic connection of latch segment is described
In axle box 2, the outer surface of the locking assembly is changed direction along gauge equipped with multiple card slots 7, and the latch segment 6 is described
It solves to be inserted into the card slot 7 under the thrust of lock set and realizes that the wheel 18 is locked, before 18 gauge changing of wheel, always
The locking state is kept, when wheel 18 needs to unlock, by pushing the solution lock set to leave the latch segment 6, the lock
Tight block 6 shrinks away from the card slot 7 upwards in the presence of a tensile force and realizes that the wheel 18 unlocks, at this point, applying to wheel 18
Thrust outwardly or inwardly makes wheel 18 move in or out the distance of required gauge changing, and tripper restores to lock immediately
The thrust of tight block 6, latch segment 6 is under the action of elastic force again insertable into realizing that the wheel 18 locks in the card slot 7 after gauge changing
Tightly, the demand of train gauge changing is met.
Specifically, the locking assembly includes bearing 1 and bearing outside 3, and the inner ring of the bearing 1 is fitted in the inner sleeve
On cylinder 20, as shown in figure 9, the outer ring that the bearing outside 3 is fitted in the bearing 1 forms a sliding entirety, and sliding
Whole both ends prevent the oil leak in bearing 1 using sealing, also avoid external dust sundries etc. from entering the sliding whole
In, clearance fit between the bearing outside 3 and the axle box 2, when train normally travel, axle 19 needs opposite axle box
Body 2 rotates, so that inner sleeve 20 is also required to rotate relative to axle box 2.By the way that the bearing is arranged on the inner sleeve 20, make
When proper inner sleeve 20 rotates, suffered resistance is smaller and will not wear, to extend the use longevity of inner sleeve 20
Life；The periphery of the bearing outside 3 is intervally distributed with card slot 7 described in multiple groups, and card slot 7 described in every group includes multiple along the bearing
The spaced card slot 7 in the axial direction of housing 3, that is, gauge changing direction, the distance at interval are equal to the half of required gauge changing,
In gauge changing, the wheel 18 at 19 both ends of axle is mobile simultaneously, a half-distance of gauge changing needed for two each movements of wheel 18, then
Total moving distance is just the distance of required gauge changing, such as becomes arrow gauge or broad gage from standard gauge；Or from arrow gauge
Or broad gage becomes standard gauge, can select institute's gauge changing according to specific needs.
Specifically, as shown in fig. 7, the latch segment 6 is arranged along the inner circumferential of the axle box 2, the quantity and multiple groups of arrangement
The group number of card slot 7 corresponds, i.e. the corresponding latch segment 6 of every group of card slot 7, and passes through the first elastic component 14 and the axis
The inner wall of cabinet 2 connects, and the first elastic component 14 is preferably locking spring, is that latch segment 6 provides coupling mechanism force by the locking spring.
Specifically, as shown in fig. 6, the solution lock set includes terminal pad 15 and elastic connection in 15 inner disc of terminal pad
Multiple pushing blocks 9 of face circumferential direction, the terminal pad 15 are located in parallel outside the outer end face of the axle box 2, as shown in Figure 10, the axis
The outer end face of cabinet 2 is equipped with to be passed through described first and leads to the one-to-one first through hole 8 of the pushing block 9, one end of the pushing block 9
Hole 8 and on the inside of the outer end face of each pushing block 9 and the axle box 2 between be equipped with the second elastic component 13, the second elastic component
13 preferably returning spring, returning springs are set on pushing block 9, and one end of returning spring is resisted against on the axial flange of pushing block 9,
The other end is resisted against on the inside of the outer end face of axle box 2, and the pushing block 9 is arranged in a one-to-one correspondence with the latch segment 6；By replying bullet
Spring is that pushing block 9 provides the restoring force of reciprocating movement, and the length of pushing block 9 needs to guarantee to be enough to push latch segment 6 to be inserted into card slot 7.
For the ease of pushing, the outer end of the pushing block 9 is set as inclined surface 11, and the latch segment 6 is equipped with to incline with described
The corresponding wedge groove 12 in inclined-plane 11, the inclined surface 11 and wedge groove 12 tilt from bottom to top from outside to inside, when pushing block 9
When inclined surface 11 slides into gradually along wedge groove 12, latch segment 6 is gradually pushed until being inserted into card slot 7.
In order to ensure accurate positioning, the locking assembly further includes latch segment locating ring 4, as shown in figure 8, the latch segment
4 fixing sleeve of locating ring is set in the axle box 2, and the inner wall of latch segment locating ring 4 and the outer wall of bearing outside 3 occur to slide relatively
It is dynamic, it avoids and is in contact and wears between bearing outside 3 and axle box 2, to improve the service life of axle box 2；
The second through-hole 5 is equipped at the relative position of the circumferential direction of the latch segment locating ring 4 and the latch segment 6, and in the latch segment
The outer end face of locating ring 4 is equipped with the channel 10 for corresponding and being connected to second through-hole 5；The channel 10 is pushed away for described
Block 9 enters, and pushes the latch segment 6 being located in the second through-hole 5.Wherein, the axle box 2 is equipped with the latch segment locating ring 4
There are the activity spacings of the latch segment 6 between one end of second through-hole 5, it can the inner wall thickness of axle box 2 exists
The installation section of latch segment 6 reduces, to adapt to moving up and down for latch segment 6.
Preferably, the notch edges of the card slot 7 are provided with the first chamfering 23.During practical gauge changing, work as vehicle
After spacing adjustment between wheel 18, it is difficult to ensure that latch segment 6 is aligned completely with the notch of card slot 7, it will usually which there are some
Deviation, so that latch segment 6 is not easy to be embedded into card slot 7.By the way that the first chamfering 23 is arranged in the notch edges of card slot 7,
So that when the alignment between the notch of card slot 7 and latch segment 6 is there are when deviation, under the action of the first chamfering 23,6 energy of latch segment
It is enough to be embedded into the card slot 7 along first chamfering 23, and then there are deviations for the notch for solving when latch segment 6 and card slot 7
When, latch segment 6 is not easy to be embedded into the problems in described card slot 7.
Preferably, the bottom of the latch segment 6 is equipped with the second chamfering 24, by the way that the second chamfering 24 is arranged, so that latch segment 6
During being embedded into card slot 7, when being aligned in the presence of centainly inclined between the bottom and the notch of the card slot 7 of latch segment 6
When poor, under the action of the second chamfering 24, the surface of second chamfering 24 is slided with respect to the notch edges of card slot 7,
Under the guiding role of second chamfering 24, embedded block insertion can be embedded in card slot 7.
In the present embodiment, the periphery of the terminal pad 15 is equipped with solution lock end, and the solution lock end is for being caught in set on ground
It unlocking in rail 16, the outside for pushing the terminal pad 15 to unlock rail by the through slot 17 in the unlock rail 16 is mobile, thus
Pushing block is driven to leave the latch segment, latch segment shrinks away from card slot under the action of elastic force upwards, is unlocked, and works as wheel
After 18 wheelspans adjust, the solution lock end of the terminal pad 15 is separated with the through slot 17.As shown in figure 5, by described in setting
Rail 16 is unlocked, and the through slot 17 is set on the unlock rail 16, so that 15 edge of terminal pad is (i.e. when train gauge changing
Solve lock end) it is slid into through slot 17 from arrival end, and the relatively described through slot 17 slides.With moving forward for train, terminal pad 15
It is slided in changeover portion, so that pushing block 9 is slided towards the direction far from latch segment 6, thus realize unlock, the bearing outside 3 and institute
Stating opposite can slide between latch segment locating ring 4, thus allow for the adjustment of 18 wheelspan of wheel.When the terminal pad 15 is becoming
When sliding in gauge section, 18 wheelspans of wheel are adjusted at this time, after the adjustment of 18 wheelspan of wheel, the terminal pad 15 with
The through slot 17 separates, and under the action of the second elastic component 13, pushing block 9 is automatically towards sliding close to the direction of the latch segment 6
Dynamic, inclined surface 11 is slided along wedge groove 12, and latch segment 6 is by the active force pushed, so that latch segment 6 be pushed to be embedded into the card
In slot 7, the fixation between bearing outside 3 and latch segment locating ring 4 is realized.Pass through the phase interworking between through slot 17 and terminal pad 15
It closes, realizes during the gauge changing of train, be automatically separated between bearing outside 3 and latch segment locating ring 4 and fix automatically,
Hereby it is ensured that gauge changing is more convenient.
Specifically, for the ease of the installation of wheel 18, the axle 19 is equipped with 18 mounting base of wheel, 18 mounting base of wheel
Diameter be greater than the diameter of the axle 19, the inner sleeve 20 is stepped, and the big end of the inner sleeve 20 is set in described
In 18 mounting base of wheel, the small end of the inner sleeve 20 is set on the axle 19 on the outside of 18 mounting base of wheel；And
The length of the inner sleeve 20 is less than the sum of 18 mounting base of wheel and 19 length of axle on the outside of it, and the length being less than is equal to institute
Need the half of gauge changing.
Preferably, the bottom of the axle box 2 is provided with support plate 25, and when train gauge changing, the support plate 25 is used
In the support axle box 2.
During train realizes gauge changing, in order to enable wheel 18 to move, need that wheel 18 is made to be in outstanding
Dummy status, the load of wheel 18 is undertaken by axle box 2 at this time.During axle box 2 undertakes 18 load of wheel, axle box
2 need the supporting rail that is arranged with ground to contact, and relative to supporting rail sliding, still be able to ensure train in gauge changing after
It is continuous to move forward.By the way that the support plate 25 is arranged, so that the support plate 25 supports the axle box when train gauge changing
2, and slided relative to supporting rail, it avoids axle box 2 and directly contacts and wear with supporting rail, to extend axle box 2
Service life.In addition, the surface of the support plate 25 is coated with wear-resistant material layer.
As can be seen from the above embodiments, smart structural design of the invention, reliable lock, convenient for unlocking meet column
The demand of vehicle gauge changing.
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 wheel pair for gauge change train, which is characterized in that including wheel, axle and locking device；The wheel is logical
Inner sleeve and the axle slidable connection are crossed, the wheel fixation is set on the inner sleeve, and the locking device includes
Locking assembly, latch segment conciliate lock set, and the locking assembly fixing sleeve is set on the inner sleeve of the lateral wheel, and
In the axle box at the axle both ends, the latch segment elastic connection is in the axle box, outside the locking assembly
Surface is changed direction along gauge equipped with multiple card slots, and the latch segment is under the thrust of the solution lock set described in insertion
The wheel locking is realized in card slot, by pushing the solution lock set to leave the latch segment, the latch segment is in elastic force
The card slot is shunk away under effect upwards and realizes the wheel unlock.
2. the wheel pair according to claim 1 for gauge change train, which is characterized in that the inner circumferential of the inner sleeve is equipped with
Internal spline, the both ends of the axle are respectively equipped with the external splines to match with the internal spline, the inner sleeve and the axle
It is connect by the internal spline with external splines.
3. the wheel pair according to claim 1 for gauge change train, which is characterized in that the locking assembly includes bearing
And bearing outside, the inner ring of the bearing are fitted on the inner sleeve, the bearing outside is fitted in the outer ring of the bearing,
Clearance fit between the bearing outside and the axle box；The peripheral distribution of the bearing outside has card slot described in multiple groups, often
The group card slot includes the card slot that multiple axially spaced-aparts along the bearing outside are arranged, and the distance at interval is equal to required change
The half of gauge.
4. the wheel pair according to claim 1 for gauge change train, which is characterized in that the latch segment is along the axle box
The inner circumferential of body is arranged, and is connect by the first elastic component with the inner wall of the axle box.
5. the wheel pair according to claim 1 for gauge change train, which is characterized in that the solution lock set includes connection
The pushing block of disk and elastic connection the disk circumferential direction in the terminal pad, the terminal pad are located at outside the outer end face of the axle box,
The outer end face of the axle box, which is equipped with, passes through the first through hole simultaneously with the one-to-one first through hole of the pushing block, the pushing block
The second elastic component, the pushing block and the latch segment are equipped between on the inside of the outer end face of each pushing block and the axle box
It is arranged in a one-to-one correspondence.
6. the wheel pair according to claim 5 for gauge change train, which is characterized in that the outer end of the pushing block is set as
Inclined surface, the latch segment are equipped with wedge groove corresponding with the inclined surface, and the inclined surface and wedge groove are from extroversion
Inside tilt from bottom to top.
7. the wheel pair according to claim 5 for gauge change train, which is characterized in that the periphery of the terminal pad is equipped with
Lock end is solved, the solution lock end pushes the company for being caught in the unlock rail on ground, by the through slot in the unlock rail
The outside for connecing disk to unlock rail is mobile, so that the pushing block be driven to leave the latch segment, is unlocked.
8. the wheel pair according to claim 5 for gauge change train, which is characterized in that the locking assembly further includes lock
Tight block locating ring, the latch segment locating ring fixing sleeve are set in the axle box, the circumferential direction of the latch segment locating ring and institute
It states and is equipped with the second through-hole at the relative position of latch segment, and be equipped in the outer end face of the latch segment locating ring and lead to described second
Hole corresponds and the channel of connection；The channel enters for the pushing block.
9. the wheel pair according to claim 8 for gauge change train, which is characterized in that the axle box and the locking
Block locating ring is equipped with there are the activity spacings of the latch segment between one end of second through-hole.
10. -9 described in any item wheels pair for gauge change train according to claim 1, which is characterized in that the axle is set
There is wheel mounting base, the diameter of the wheel mounting base is greater than the diameter of the axle, and the inner sleeve is stepped, described interior
The big end of sleeve is set in the wheel mounting base, and the small end of the inner sleeve is set in the institute on the outside of the wheel mounting base
It states on axle；And the length of the inner sleeve is less than the sum of wheel mounting base and the axle length on the outside of it, the length being less than
Equal to the half of required gauge changing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730888.2A CN108909759B (en) | 2018-07-05 | 2018-07-05 | Wheel set for variable-gauge train |
| PCT/CN2019/079544 WO2020007074A1 (en) | 2018-07-05 | 2019-03-25 | Wheel set for gauge-changeable train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730888.2A CN108909759B (en) | 2018-07-05 | 2018-07-05 | Wheel set for variable-gauge train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909759A true CN108909759A (en) | 2018-11-30 |
| CN108909759B CN108909759B (en) | 2020-04-14 |
Family
ID=64424984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810730888.2A Active CN108909759B (en) | 2018-07-05 | 2018-07-05 | Wheel set for variable-gauge train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108909759B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455040A (en) * | 2019-01-03 | 2019-03-12 | 中车齐齐哈尔车辆有限公司 | Wheel group structure, bogie and vehicle |
| CN109733435A (en) * | 2019-01-02 | 2019-05-10 | 中车青岛四方机车车辆股份有限公司 | Gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets |
| CN109927838A (en) * | 2019-02-27 | 2019-06-25 | 古正煇 | A kind of foldable accommodation trailer |
| WO2020007074A1 (en) * | 2018-07-05 | 2020-01-09 | 中车青岛四方机车车辆股份有限公司 | Wheel set for gauge-changeable train |
| CN111806498A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Thrust conversion mechanism, unlocking device, track-pitch-variable wheel pair and ground track-changing facility |
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| JP2007314134A (en) * | 2006-05-29 | 2007-12-06 | Toshiba Corp | Locking system for gauge variable truck |
| CN200992209Y (en) * | 2006-12-28 | 2007-12-19 | 齐齐哈尔轨道交通装备有限责任公司 | Railway goods train gauge-changeable steering frame and ground gauge-changing track device matched with same |
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| CN109733435A (en) * | 2019-01-02 | 2019-05-10 | 中车青岛四方机车车辆股份有限公司 | Gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets |
| CN109733435B (en) * | 2019-01-02 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Lubricating structure for variable-gauge wheel set and variable-gauge wheel set |
| CN109455040A (en) * | 2019-01-03 | 2019-03-12 | 中车齐齐哈尔车辆有限公司 | Wheel group structure, bogie and vehicle |
| CN109927838A (en) * | 2019-02-27 | 2019-06-25 | 古正煇 | A kind of foldable accommodation trailer |
| CN109927838B (en) * | 2019-02-27 | 2020-10-23 | 古正煇 | Foldable trailer of putting |
| CN111806498A (en) * | 2020-07-28 | 2020-10-23 | 中车青岛四方机车车辆股份有限公司 | Thrust conversion mechanism, unlocking device, track-pitch-variable wheel pair and ground track-changing facility |
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