CN108909355A - A kind of wheel pair and bogie for gauge-changeable bogie - Google Patents
A kind of wheel pair and bogie for gauge-changeable bogie Download PDFInfo
- Publication number
- CN108909355A CN108909355A CN201810697495.6A CN201810697495A CN108909355A CN 108909355 A CN108909355 A CN 108909355A CN 201810697495 A CN201810697495 A CN 201810697495A CN 108909355 A CN108909355 A CN 108909355A
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- Prior art keywords
- wheel
- gauge
- sleeve
- axle
- gauge changing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to rail vehicle gauge changing fields, disclose a kind of wheel pair and bogie for gauge-changeable bogie, wherein for wheel to including wheel, axle and gauge changing mechanism, the gauge changing mechanism includes fixes sleeve, locking pin, alleviation sleeve reconciliation lock collar；The wheel is slidingly disposed at the both ends of the axle, and the gauge changing mechanism is respectively arranged on the inside axle of the wheel, by pushing unlock disk that locking pin is driven to move up, so that the fixes sleeve and alleviation sleeve unlock；To facilitate realization to lock or unlock the wheel, gauge changing is realized.Wheel of the invention is convenient to gauge changing process, reliable.
Description
Technical field
The present invention relates to rail vehicle gauge changing fields, more particularly to a kind of wheel pair for gauge-changeable bogie and turn
To frame.
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 wheels pair and bogie that a kind of gauge changing is reliably used for gauge-changeable bogie.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of wheels pair for gauge-changeable bogie comprising wheel,
Axle and gauge changing mechanism；The wheel is slidingly disposed at the both ends of the axle, and the gauge changing mechanism is respectively arranged on institute
It states on the inside axle of wheel, for locking or unlocking the wheel；The gauge changing mechanism includes：Fixes sleeve, locking pin,
Alleviate sleeve and conciliates lock collar；
The wheel hub of the wheel forms interconnecting piece to extension on the inside of wheel；
The fixes sleeve includes the fixed part and nesting part axially connected, and the fixed part fixing sleeve is set to the axle
Inside that is upper and being located at the wheel, the nesting part is between the wheel and the fixed part；
The alleviation sleeve is slideably sheathed in the fixes sleeve, and the inner wall for alleviating sleeve is provided with unlock
Slot and the connection solution locked groove and the locking cotter way for alleviating sleeve lining, the extending direction of the solution locked groove and the axis of the axle
Line is generally aligned in the same plane, and with the angled setting of the axis of the axle；One end of the locking pin is hingedly connected with pin shaft, institute
Pin shaft is stated to be slidably connected with the solution locked groove；The other end of the locking pin is located in the locking cotter way；
The interconnecting piece is slidably inserted into the nesting part；The surface of the interconnecting piece is provided with multiple along its axial direction
Gauge changing hole；Lock hole is provided on the nesting part, the locking pin is sequentially inserted into the lock hole and the single rail
The wheel locking is realized in hole away from converting；
The outer wall for alleviating sleeve is arranged in the solution lock collar, by pushing the solution lock collar to make the pin shaft along institute
Solution locked groove sliding is stated, so that the gauge changing hole where driving the locking pin to move upwardly off, realizes wheel unlock, thus
Realize gauge changing.
Wherein, the outer wall of the fixes sleeve is circumferentially provided with reset seat；The inner circumferential for alleviating sleeve offers one section
The reset spring mounting groove being connected to its outer end, and the outer end is provided with the alleviation disk cover of annular；In the fixes sleeve
It is arranged with reset spring, the reset seat and reset spring are arranged in the reset spring mounting groove, the reset spring
One end is against the reset seat, and the other end of the reset spring is against the alleviation disk cover.
Wherein, the outer wall setting contraposition seat of the interconnecting piece, the contraposition seat are and axial parallel plane；The nesting
The inner wall in portion is provided with the aligning platform to match with the contraposition seat, and the aligning platform is and axial parallel plane；The rail
It is set on the contraposition seat away from transformation hole；Matchingly, the lock hole is set on the aligning platform.
Wherein, the quantity in multiple gauge changing holes is two, with two gauge changing holes for one group, described
Gauge changing hole described in multiple groups is evenly distributed on the circumferencial direction of interconnecting piece；It is provided on the circumferencial direction of the nesting part
With the one-to-one lock hole in gauge changing hole described in multiple groups.
Wherein, the inner wall of the interconnecting piece is provided with torsional channel, and the torsional channel is axial groove-like structure；The nesting part
Be internally provided with the torque block to match with the torsional channel, the torque block is axial strip structure, the torque block with
The gap for accommodating the interconnecting piece is provided between the nesting part.
Wherein, the axle is equipped with wheel mounting base, and the outer cover of the wheel mounting base is equipped with sliding bearing, described
Sliding bearing and the wheel mounting base are interference fitted；The wheel hub has been internally embedded axle sleeve, the axle sleeve and the wheel hub
Interference fit；The wheel is slidably connected by the axle sleeve and the sliding bearing.
Wherein, the solution locked groove is arranged in pairs, and the both ends of the pin shaft are located in two solution locked grooves, the pin
Extending direction of the axis perpendicular to the solution locked groove, the middle part articulated connection of the locking pin and the pin shaft；The two of the pin shaft
End is respectively equipped with bearing, passes through the bearing and the solution locked groove slidable connection.
Wherein, the alleviation sleeve includes unlock piece and retainer plate；The unlock piece is one/cylindrical structure, the unlock
One end of part is provided with assembled screw hole, and four unlock pieces are assembled into the alleviation sleeve by retainer plate；The solution locked groove is set
It is placed in the interface position that the unlock piece is assembled into complete cylinder.
Wherein, the outer wall for alleviating sleeve is provided with solution lock collar mounting base, and the solution lock collar is arranged in the solution lock collar
In mounting base, the solution lock collar is assembled by two semi-discs, and the solution lock collar mounting base is perpendicular to the alleviation sleeve
The annulus of outer wall；The interface of the solution lock collar is docked with the interface for alleviating sleeve.
Wherein, interior shield and outer protective cover, the side of the disc of the wheel are correspondingly provided with inside and outside the wheel
Shield mounting base is provided on wall, one end of the interior shield is connect with the shield mounting base, the other end with it is described
Alleviate the lateral wall connection of sleeve, one end of the outer protective cover is connect with the shield mounting base, the other end and the vehicle
Axis connection.
The present invention also provides a kind of gauge-changeable bogies, including framework and the wheel for gauge-changeable bogie described above
Right, the wheel is to being mounted on the framework, for realizing bogie gauge changing.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages that：
A kind of wheel pair and bogie for gauge-changeable bogie provided by the invention, wherein wheel is to including wheel, axle
With gauge changing mechanism；The wheel is slidingly disposed at the both ends of the axle, and the gauge changing mechanism is respectively arranged on the vehicle
On the inside axle of wheel, by designing specific gauge changing mechanism, gauge changing mechanism specifically includes fixes sleeve, locking pin, delays
Sleeve reconciliation lock collar is solved, by pushing unlock disk that locking pin is driven to move up, so that the fixes sleeve and alleviation sleeve solution
Lock realizes gauge changing to conveniently realize locking or the unlock wheel, and gauge changing process is convenient, reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of present invention wheel pair；
Fig. 2 is present invention wheel to structural schematic diagram two；
Fig. 3 is present invention wheel to structural schematic diagram three；
Fig. 4 is present invention wheel to structural schematic diagram four；
Fig. 5 is present invention wheel to the first lock state structural schematic diagram；
Fig. 6 is present invention wheel to unlocking process structural schematic diagram；
Fig. 7 is present invention wheel to gauge changing procedure structure schematic diagram；
Fig. 8 is present invention wheel to locking process to the second lock state structural schematic diagram；
Fig. 9 is axle construction schematic diagram one of the present invention；
Figure 10 is axle construction schematic diagram two of the present invention；
Figure 11 is car wheel structure schematic diagram one of the present invention；
Figure 12 is car wheel structure schematic diagram two of the present invention；
Figure 13 is car wheel structure schematic diagram three of the present invention；
Figure 14 is fixes sleeve of the present invention and locking pin structural schematic diagram one；
Figure 15 is fixes sleeve of the present invention and locking pin structural schematic diagram two；
Figure 16 is fixes sleeve of the present invention and locking pin structural schematic diagram three；
Figure 17 is unlock piece structural schematic diagram one of the present invention；
Figure 18 is unlock piece structural schematic diagram two of the present invention；
Figure 19 is locking pin, alleviation sleeve and bearing pin structural schematic diagram one of the present invention；
Figure 20 is locking pin, alleviation sleeve and bearing pin structural schematic diagram two of the present invention；
Figure 21 is locking pin, alleviation sleeve and bearing pin structural schematic diagram three of the present invention；
Figure 22 is locking pin, alleviation sleeve, bearing pin, reset spring and unlock dish structure schematic diagram one of the present invention；
Figure 23 is locking pin, alleviation sleeve, bearing pin, reset spring and unlock dish structure schematic diagram two of the present invention；
Figure 24 is locking pin, alleviation sleeve, bearing pin, reset spring and unlock dish structure schematic diagram three of the present invention；
Figure 25 is the structural schematic diagram one of bogie of the present invention；
Figure 26 is the structural schematic diagram two of bogie of the present invention.
In figure：1- axle, 11- wheel mounting base, 12- bearing mounting base, 13- brake disc mounting base, 14- sliding bearing；
2- wheel, 21- wheel hub, 22- interconnecting piece, 23- gauge changing hole, 24- align seat, 25- torsional channel, 26- lockhole lining
Set, 27- disc, 28- shield mounting base, 29- axle sleeve；
3- fixes sleeve, 31- fixed part, 32- nesting part, 33- lock hole, 34- aligning platform, 35- torque block, 36- reset
Seat；
4- locking pin；
5- alleviation sleeve, 51- unlock piece, 511- solution locked groove, 512- locking cotter way, 513- alignment grooves, 514- bit block,
515- solution lock collar mounting base, 516- assembly screw hole, 517- reset spring mounting base, 518- unlock disk cover screw hole, 52- retainer plate,
53- alleviates disk cover；
6- bearing pin, 61- pin shaft, 62- bearing；
7- reset spring；
8- solves lock collar；
9- shield, shield in 91-, 92- outer protective cover；
X- framework.
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.
By taking CRH5 EMUs as an example, it is basic to spatial position that entity size size meets CRH5 EMUs steering framing wheel
It is required that；It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention provides a kind of wheels pair for gauge-changeable bogie, as shown in figures 1-8, including axle 1, vehicle
Wheel 2 and gauge changing mechanism；The wheel 2 is slidingly disposed at the both ends of the axle 2, and the gauge changing mechanism is respectively arranged on institute
It states on the inside axle 1 of wheel 2, for locking or unlocking the wheel 2；The gauge changing mechanism specifically includes：Fixes sleeve
3, locking pin 4, alleviation sleeve 5 conciliate lock collar 8；
As figs 11-13, the wheel 2 includes wheel hub 21, the wheel hub 21 along axial direction to extending on the inside of wheel 2, shape
At interconnecting piece 22.Wheel 2 only lengthens 21 inside line axial dimension of wheel hub, i.e. interconnecting piece 22 compared to existing wheel.?
The Position Design that wheel hub 21 lengthens has two cylindrical holes of the diameter 15mm of interval 42.5mm, i.e. gauge changing hole 23, is used for
Gauge changing or axial spacing between 1435mm standard gauge and 1520mm broad gauge are determined according to the requirement of converted gauge.
Meanwhile the sufficient intensity to guarantee 2 axial restraint of wheel, it is two-by-two one group that gauge changing hole is four uniformly distributed in circumferencial direction, if
In the radially opposite sides of interconnecting piece, lengthen position in wheel hub, i.e., be cut at the outer surface gauge changing hole of interconnecting piece 22 it is planar, i.e.,
Seat 24 is aligned, the insertion of locking pin 4 is not only improved, error when cylindrical surface being avoided to be inserted into is accurate right when being also beneficial to install
In, 33 axis of lock hole on 23 axis of gauge changing hole and fixes sleeve 3 on guarantee axle 1 is in the same plane.
As shown in Figure 14-16,2-4, the fixes sleeve 3 is tubular structure, and the fixes sleeve 3 is by axially interconnecting
Fixed part 31 and nesting part 32 form, the internal diameter of the nesting part 32 is greater than the internal diameter of the fixed part 31, the fixed part
31 fixing sleeves be set to the axle 1 on, and be located at the wheel 2 inside, the nesting part 32 be located at the wheel 2 with it is described
Between fixed part 31, the fixed part 31 is interference fitted with the axle 1；The interconnecting piece 22 is matched with 32 gap of nesting part
It closes；When installation, the fixed part 31 of fixes sleeve 3 is close to the installation of brake disc outside disc hub position；The design of 3 outer surface of fixes sleeve has
For installing the boss seat of 7 axially position of reset spring, i.e. reset seat 36；Diameter there are four being opened up on 3 periphery of fixes sleeve
The lock hole 33 of 15mm, for cooperating insertion locking pin 4.Planar, energy will be designed at 3 inner surface lock hole 33 of fixes sleeve
Plane cooperates at enough and wheel hub 21.The structure of fixes sleeve 3 is more complex, can produce blank part using the method for casting,
Then its inner surface is processed again, then contact surface is finished.
As in Figure 2-4, the interconnecting piece 22 is slidably inserted into the inside of the nesting part 32；The interconnecting piece 22
It is axially preferably provided with there are two gauge changing hole 23, is provided with lock hole 33 on the nesting part 32, the lock hole 33 is logical
Hole, one end of the locking pin 4 are slideably sequentially inserted into the lock hole 33 and the single gauge changing hole 23；Two
23 diameter 15mm of gauge changing hole is spaced 42.5mm, for the gauge changing between 1435mm standard gauge and 1520mm broad gauge,
Or axial spacing is determined according to the requirement of converted gauge.
As shown in Fig. 2-4,17-24, the alleviation sleeve 5 is tubular structure, and the alleviation sleeve 5 is slideably sheathed on
In the fixes sleeve 3, the interior for alleviating sleeve 5 is provided with solution locked groove 511, the extension side of the solution locked groove 511
Be generally aligned in the same plane to the axis with the axle 1, and the angled setting of axis with the axle 1, the size of the angle with
Can guarantee that locking pin moves up and down can leave or be inserted into subject to gauge changing hole 23.Alleviate the one of the close wheel 2 of sleeve 5
End interior design has oblate slot, i.e. solution locked groove 511, and is equipped with bearing pin 6；Oblate slot is designed as with 1 axis angle of axle
35 °, angle should not be too large, and can avoid the clamping phenomenon occurred when alleviating the axial movement of sleeve 5 because angle is excessive；Angle
Also unsuitable too small, it is identical being promoted although there is good enhanced feature at lesser inclination angle when alleviating sleeve 5 axially movable
When height, axial stroke distance is necessarily increased, and alleviating 5 axial dimension of sleeve can also lengthen.Since CRH5 EMUs turn to
Away from wheel inner distance 166.5mm on the outside of frame brake disc, brake disc hub position unilateral side width 20mm, be can be used laterally empty in addition
Between be only 146.5mm；In order to which in relatively narrow space reasonable Arrangement retaining mechanism, angle is also unsuitable too small.
As shown in Fig. 2-4,17-24, specifically, the bearing pin 6 includes pin shaft 61, and the end of the pin shaft 61 is located at institute
It states inside solution locked groove 511, and extends along with the solution locked groove 511 and be slidably connected on direction.Alleviate sleeve 5 and passes through solution lock collar 8
With ground unlock rail interaction, move it axially to close to 2 side of wheel along axle 1；The alleviation sleeve 5 be additionally provided with by
The solution locked groove 511 and the locking cotter way 512 for alleviating 5 inside connection of sleeve, the other end of the locking pin 4 protrude into the locking
Cotter way 512 is simultaneously articulated and connected with the pin shaft 61, and locking pin 4 can move axially when to guarantee unlock, alleviate sleeve 5 and lock
The position that tight pin 4 cooperates cuts away a part of material, forms locking cotter way 512；Locking pin 4 is used to limiting wheel 2 along axle 1
It is axially moved, it has contact with each other with sleeve 5, fixes sleeve 3, wheel 2 is alleviated, and is gap-matched, 4 diameter of locking pin is optional
15mm when length needs to guarantee that locking pin 4 is located at the bottom end of solution locked groove 511, extends locking 512 certain length of cotter way, this
When locking pin 4 lower end insertion lock hole 33 and gauge changing hole 23 in, realize wheel locking.
As in Figure 2-4, the outer wall of the fixes sleeve 3 is provided with the reset seat 36 for position reset spring 7；It is described
The inner circumferential for alleviating sleeve 5 offers one section of reset spring mounting groove 517 being connected to its outer end, and the end is provided with annular
Alleviation disk cover 53 be used as blocking portion；Reset spring 7, the reset seat 36 and reset spring 7 are arranged in the fixes sleeve 3
It is arranged in the reset spring mounting groove 517, one end of the reset spring 7 is against the reset seat, the reset spring 7
The other end against the alleviation disk cover 53, thus by the setting of reset spring 7 between the gentle solution sleeve 5 of fixes sleeve 3, when pushing away
When dynamic alleviation sleeve 5, the direction for alleviating 5 compression reseting spring 7 of sleeve towards close wheel is mobile, at this point, pin shaft 61 is along unlock
Slot 511 moves up, the gauge changing hole 23 where leaving, and realizes wheel unlock.
As in Figure 2-4, the outer wall for alleviating sleeve 5 is provided with solution lock collar mounting base 515, and the solution lock collar 8 is arranged
In the solution lock collar mounting base 515；Solution lock collar 8 is made of two panels semicircle annulus, is mounted on and is alleviated outside sleeve 5 by screw
On the boss seat that surface is stretched out, i.e., in solution lock collar mounting base 515；This design quickly and easily to solution lock collar 8 and can alleviate sleeve
5 are removed and installed, and maintenance is facilitated work-up, and are not necessarily to removing vehicle tyres 2 and brake disc, or even in not separating wheel set axle box device
In the case where directly replaced on bogie.
As shown in Fig. 3,11-13,25-26, the wheel 2 further includes disc 27, is provided on the side wall of the disc 27
Shield mounting base 28, the shield mounting base 28 is annular boss, and is provided with screw hole on the annular boss；In order to protect
The cleannes of Zheng Ge mechanism coordinate contact surface, while pollution of the dust to lubricating oil is prevented, shield 9, institute is arranged in the wheel 2
State the outer protective cover 92 that shield 9 includes the interior shield 91 and lateral wheel on the inside of wheel, interior 91 He of shield
Outer protective cover 92 is tubular structure, and one end of the interior shield 91 is connect with the shield mounting base 28, the other end with
The lateral wall connection for alleviating sleeve 5, one end of the outer protective cover 92 are connect with the shield mounting base 28, the other end
It is connect with the axle 1, shield uses rubber material, existing certain hardness, it may have certain deformability, it can be
It when different gauge positions, deforms, meets the adaptability of shield after wheel axial movement.The axle 1 further includes axis
Mounting base 12 is held, the bearing mounting base 12 is connect with the framework X of bogie.It is inside and outside anti-to install in 27 position of wheel web
Shield and be machined with annular boss, i.e. shield mounting base 28, and offer bolt mounting holes, inside and outside shield passes through bolt
It is mounted on wheel web, is rotated together with wheel 2.
As shown in figs. 9-10, for the ease of the installation of wheel 2, the axle 1 includes wheel mounting base 11, the wheel installation
Diameter of axle in the range of gauge changing of seat 11 is constant.The outer cover of the wheel mounting base 11 is equipped with sliding bearing 14, the cunning
Dynamic bearing 14 and the wheel mounting base 11 are interference fitted.The wheel hub 21 of the wheel 2 has been internally embedded axle sleeve 29, the axle sleeve
29 are interference fitted with the wheel hub 21；The axle sleeve 29 and 14 clearance fit of sliding bearing, the wheel 2 pass through the axis
Set 29 is slidably connected with the sliding bearing 14.Axle 1 keeps bearing mounting base 12, gear-box mounting base, hollow diameter of axle etc. no
Become, the 165mm diameter of axle between the wheel mounting base 11 and brake disc mounting base 13 of CRH5 type vehicle axle is widened to 194mm axis
Diameter keeps it identical as 13 diameter of brake disc mounting base；11 axial dimension of wheel mounting base is also accordingly widened, to guarantee gauge changing
The vertical force of wheel transmitting can be normally carried later.12 shaft shoulder position of bearing mounting base of axle 1 is away from shaft shoulder position on the outside of wheel seat
102.5mm, diameter 160mm, axial dimension is enough, and the rear wheel 2 and axle box for becoming broad gauge gauge will not be in contact, i.e. wheel
The distance between 2 outsides and axle box are not in interference after can guaranteeing wheel from standard gauge to broad gauge transformation.Therefore, originally
Design will not influence the runnability and installation site of the components such as truck journal box and single stage suspension.
As shown in figure 4, contraposition seat 24 is arranged in the outer wall of the interconnecting piece 22, the contraposition seat 24 is to put down with axial parallel
Face；The inner wall of the nesting part 32 is provided with is and axis with the aligning platform 34 that matches of contraposition seat 24, the aligning platform 34
To parallel plane；The gauge changing hole 23 is set on the contraposition seat 24；Matchingly, the lock hole 33 is set to
On the aligning platform 34, the accurate, rapid abutting joint convenient for gauge changing hole 23 and lock hole 33.
As shown in figure 4, may be used also on the circumferencial direction of the interconnecting piece 22 with described two gauge changing holes 23 for one group
To be evenly distributed with four groups of gauge changing holes 23, naturally it is also possible to the group number of other quantity be arranged；In the circle of the nesting part 32
It is provided in circumferential direction and the one-to-one lock hole 33 of 23 groups of gauge changing hole number.For the ease of locking pin locked reconciliation
Lock, the aperture in the gauge changing hole 23 is provided with chamfering structure, the locking pin towards the side outside the interconnecting piece 22
One end of the 4 insertion lock holes 33 is provided with chamfering structure.
As shown in figure 4, the inner wall of the interconnecting piece 22 is provided with torsional channel 25, the torsional channel 25 is axial rectangle channel-shaped
Structure；The nesting part 32 is internally provided with the torque block 35 to match with the torsional channel 25, and the torque block 35 is axis
To rectangular list structure, the gap for accommodating the interconnecting piece 22 is provided between the torque block 35 and the nesting part 32.Institute
Torsional channel 25 is stated to be set between gauge changing hole 23 described in adjacent two groups；Matchingly, the torque block 35 is set to phase
Between two adjacent lock holes 33；The length of the torque block 35 is less than the length of the nesting part 32.Wheel 2 and axle
In the following way, i.e., supporting region wheel hub 21 is sliding bearing to 1 torque transfer mode, and interconnecting piece 22 is for 1/4 valve annulus and admittedly
The counter structure for determining sleeve 3 intersects the mode engaged and transmits torque.Effectively supporting region and torsion pass are distinguished, avoided entire
Automatic centering performance is poor when designing rectangular spline in wheel bore, the low situation of bearing capacity.Supporting region and torsion pass differentiation are set
In two different zones, reduce the bad working environments of wheel stress complexity.With the structure of the intermeshing fixes sleeve 3 of wheel
For inside is also made into the structure of 4 round valves, corresponding with four torsional channels 25 of interconnecting piece 22.The two mutually matches during installation
It closes, so that torque is transmitted, meanwhile, the mode of such spline fitted transmitting torque secures rotary freedom, and release well
Axial sliding freedom degree makes to take turns the transformation to can smoothly complete gauge after entering orbital transfer area unlock.
As figs 11-13, the gauge changing hole 23 has been internally embedded lockhole bushing 26, and the lockhole bushing 26 is
Tubular structure, the lockhole bushing 26 are interference fitted with the gauge changing hole 23；The locking pin 4 is slidably inserted into described
In lockhole bushing 26；Lockhole bushing 26 is manufactured using wear-resisting composite material, it is ensured that has stronger wear-resisting, extrusion deformation energy
Power, while there are certain self-lubricating capacities again after repeated multiple times abrasion, it repairs only need replacing lockhole upon wear
Bushing 26 is not required to scrap entire wheel, reduces replacement cost and again easy to maintenance, economic value with higher.
As shown in Figure 17-24, the solution locked groove 511 is arranged in pairs, and the both ends of the pin shaft 61 are located at described two
It solves in locked groove 511, the pin shaft 61 is perpendicular to the extending direction for solving locked groove 511, the locking pin 4 and the pin shaft 61
Middle part articulated connection.
As shown in figs. 12-19, the bearing pin 6 further includes bearing 62, and the bearing 62 is set to the two of the pin shaft 61
End, and the bearing 62 is located in the solution locked groove 511, passes through the bearing 62 and 511 slidable connection of solution locked groove, axis
62 selection deep groove ball bearings, code name GB/T276-1994 are held, bearing outside diameter selects 22mm, internal diameter 8mm, wide 7mm.Pin shaft 61 and axis
62 are held using interference fit, for the loosening for preventing bearing, circlip for shaft is also equipped with, is correspondingly offered on pin shaft 61
The groove of circlip is installed, bearing 62 is using being symmetrically installed, i.e., 61 two sides of pin shaft are symmetrically installed 2 bearings, intermediate vertical
Ground installation locking pin 4 can guarantee more reasonably stress in this way, and the catenary motion of locking pin 4 is made to have higher reliability.
As shown in Figure 17-24, the alleviation sleeve 5 includes unlock piece 51 and retainer plate 52；The unlock piece 51 is 1
Cylinder-like structure, one end of the unlock piece 51 are provided with assembled screw hole 516, by retainer plate 52 that four unlock pieces 51 are assembled
At the alleviation sleeve 5；The solution locked groove 511 is set to the interface position that the unlock piece 51 is assembled into complete cylinder.It is described
The interface position of 1/4 cylinder-like structure is provided with the alignment grooves 513 to match each other and bit block 514.In order to meet assembly technology
Requirement, will alleviate sleeve 5 be designed to it is split type.It is assembled by four piece of 1/4 cylinder to alleviate sleeve 5, in the assembly of 1/4 cylinder
Face interface, side are machined with rectangular notch, i.e. alignment grooves 513；The other side is correspondingly machined with rectangular boss, i.e. bit block
514, it can guarantee accurate assembling in this way, while cooperating more convenient.4 screw holes are equipped on alleviating 53 periphery of disk cover,
Reset spring 7 is packed into fix by screw later.Further, since solution locked groove 511 is in the inside for alleviating sleeve 5, monolithic construction
It all cannot achieve in machining and installation.Therefore split type alleviation sleeve, i.e. unlock piece 51 are used, sleeve 5 will be alleviated and divided
Assembled by four piece of 1/4 cylinder for four parts of equal part, doing so can facilitate the oblate slot of processing to solve locked groove 511 and installation,
Then four part assembly are got up, two sides are fixed with the gentle solution disk cover 53 of retainer plate 52 with screw respectively.Can avoid due to
The problem of solution locked groove 511 is being alleviated inside sleeve 5, and monolithic construction all cannot achieve in machining and installation.
As shown in figs. 17-18, the solution locked groove is arranged in the interface position that 1/4 cylinder-like structure is assembled into complete cylinder
511, the axis of the extending direction and axle 1 of the solution locked groove 511 is generally aligned in the same plane, and at an angle with the axis of axle 1；
The interface position is additionally provided with the locking cotter way 512 of the solution locked groove 511 and complete cylinder interior connection.1/4 circle
The outer wall of tubular structure is provided with solution lock collar mounting base 515, and the solution lock collar mounting base 515 is cylindric perpendicular to described 1/4
The annulus of structure outer wall, one end of 1/4 cylinder-like structure are provided with assembled screw hole 516,1/4 cylinder-like structure it is interior
Wall is provided with reset spring mounting groove 517, and the reset spring mounting groove 517 is extend to 1/4 cylinder-like structure one
1/4 annular groove at end, one end of 1/4 cylinder-like structure are provided with unlock disk cover screw hole 518, and the unlock disk cover screw hole
518 are located at one end of the reset spring mounting groove 517.
As shown in figs. 22-24, the solution lock collar 8 is assembled by two semi-discs, and the solution lock collar mounting base 515 is vertical
Directly in the annulus for alleviating 5 outer wall of sleeve；The interface of the solution lock collar 8 is docked with the interface for alleviating sleeve 5, specifically may be used
To be in be staggered.
Hub for vehicle wheel lengthen Position Design have interval 42.5mm 15mm two cylindrical holes (or axial spacing according to
The requirement of converted gauge determines), for the gauge changing between standard gauge (1435mm) and broad gauge (1520mm).Above-mentioned turn
Include the following steps as shown in Figure 23-26 to the gauge changing method of frame：
S1. a gauge changing hole 23 and locking as shown in figure 5, interconnecting piece 22 is located in nesting part 32, and in every group
Hole 33 is aligned；Locking pin 4 is sequentially inserted into the lock hole 33 and gauge changing hole 23；This is the first lock state；
S2. as shown in fig. 6, sleeve 5 is alleviated in sliding, make bearing pin 6 in solution locked groove 511 from sliding close to one end of axle 1
It moves to one end far from axle 1, the bearing pin 6 drives the locking pin 4 to the Slideslip far from axle 1, makes locking pin 4
It is detached from from gauge changing hole 23；This is unlocking process；
S3. as shown in fig. 7, wheel hub 21 slides in wheel mounting base 11, until another gauge changing hole 23 in every group
It is aligned with lock hole 33；This is gauge changing process；
S4. as shown in figure 8, sleeve 5 is alleviated in sliding, keep bearing pin 6 sliding from one end far from axle 1 in solution locked groove 511
It moves to one end close to axle 1, the bearing pin 6 drives the locking pin 4 to the Slideslip close to axle 1, makes locking pin 4
It is inserted into gauge changing hole 23；This is locking process, until the second lock state.
It is all feasible using axle box bearing mode and wheel bearing mode in gauge conversion process, but in order to reduce wheel rim
The bad gap that the frictional force of abrasion and mating surface generates, preferably uses axle box bearing mode.With wheel gauge by 1435mm standard gauge
For bit map is the conversion process of 1520mm broad gauge position, to illustrate the working principle of the present embodiment：
1) as shown in figure 5, supporting rail is contacted with axle box, lifts bogie, vehicle after wheel 2 reaches ground rail changing device
2 unloading of wheel.
2) as shown in fig. 6, solution lock collar 8 overcomes the resistance of reset spring 7 under the action of ground unlocks rail, make to alleviate sleeve
5 is mobile to the opposite direction of track centerline, and thrust lower bearing 62 tilts upward rolling on the inclined-plane of solution locked groove 511, together
When drive bearing pin 61 move upwards, locking pin 4 is pulled up, to discharge wheel 2；So far, wheel is unlocked.
3) as shown in fig. 7, then, under ground guide effect, wheel 2 moves outward, wheel gauge is by 1435mm standard
Rail position becomes 1520mm broad gauge position.
4) as shown in figure 8, after obtaining required gauge, ground, which unlocks rail, can gradually subtract the thrust of solution lock collar 8
It is weak, lock collar 8 is solved under the thrust of reset spring 7, returns to original position, bearing 62 rolls diagonally downward at this time, also compels
Move back down to locking pin 4 in gauge changing hole 23, so that limiting wheel 2 is finally reached broad gauge along axial movement
Position.
When on the inside of wheel away from being narrow gauge position by broad gauge bit map, conversion process with it is above-mentioned essentially identical, it is only necessary to by wheel court
Opposite direction is mobile.
As viewed in figures 5-8, in the step S1 or S4, torsional channel 25 is set on interconnecting piece 22, and on nesting part 32
Torque block 35 is set, in such a way that torsional channel 25 and torque block 35 are mutually matched, provides a kind of torque transmission method.The step
In rapid S1 or S4, and aligning platform 34 is arranged in the setting contraposition seat 24 on interconnecting piece 22 on nesting part 32, by contraposition seat 24 with
The mode that aligning platform 34 is mutually matched is directed at gauge changing hole 23 with lock hole 33.In the step S2, on alleviating sleeve 5
Setting solution lock collar 8 slides alleviation sleeve 5 by driving solution lock collar 8.In the step S4, in fixes sleeve 3 and alleviate sleeve
Reset spring 7 is set between 5, makes to alleviate the sliding of sleeve 5 by reset spring 7.In the step S2 or S4, alleviating sleeve 5
Middle setting solves locked groove 511, and the axis of the extending direction and axle 1 of the solution locked groove 511 is generally aligned in the same plane, and with axle 1
Axis is at an angle, and the axial movement for alleviating sleeve 5 is converted to the radial motion of locking pin 4 by solution locked groove 511.It is unlocking
Bearing pin 6 perpendicular to solution 511 extending direction of locked groove is set in slot 511, and locking pin 4 is connect with bearing pin 6, makes to alleviate set
The axial movement of cylinder 5 is converted to the radial motion of locking pin 4.
As shown by figures 25-26, the embodiment of the invention also provides a kind of gauge-changeable bogies, including framework X and above-mentioned institute
The wheel pair for gauge-changeable bogie stated, the wheel, for realizing bogie gauge changing, become to being mounted on the framework X
Gauge process is simple, reliable.
As can be seen from the above embodiments, the present invention can simply and reliably realize train 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 (11)
1. a kind of wheel pair for gauge-changeable bogie, which is characterized in that including wheel (2), axle (1) and gauge changing mechanism；
The wheel (2) is slidingly disposed at the both ends of the axle (1), and the gauge changing mechanism is respectively arranged on the wheel (2)
On inside axle (1), for locking or unlocking the wheel (2)；The gauge changing mechanism includes：Fixes sleeve (3), locking pin
(4), alleviate sleeve (5) reconciliation lock collar (8)；
The wheel hub (21) of the wheel (2) forms interconnecting piece (22) to extension on the inside of wheel (2)；
The fixes sleeve (3) includes the fixed part (31) and nesting part (32) axially connected, fixed part (31) fixing sleeve
On the axle (1) and be located at the wheel (2) inside, the nesting part (32) be located at the wheel (2) with it is described
Between fixed part (31)；
The alleviation sleeve (5) is slideably sheathed on the fixes sleeve (3), the inner wall setting for alleviating sleeve (5)
There are solution locked groove (511) and connection solution locked groove (511) and the locking cotter way (512) for alleviating sleeve (5) inner wall, the solution locked groove
(511) extending direction and the axis of the axle (1) are generally aligned in the same plane, and with the axis of the axle (1) is angled sets
It sets；One end of the locking pin (4) is hingedly connected with pin shaft (61), and the pin shaft (61) and the solution locked groove (511) sliding connect
It connects；The other end of the locking pin (4) is located in the locking cotter way (512)；
The interconnecting piece (22) is slidably inserted into the nesting part (32)；The surface of the interconnecting piece (22) is set along its axial direction
It is equipped with multiple gauge changing holes (23)；It is provided with lock hole (33) on the nesting part (32), the locking pin (4) is sequentially inserted into
Realize that the wheel (2) is locked in the lock hole (33) and the single gauge changing hole (23)；
Solution lock collar (8) setting is in the outer wall for alleviating sleeve (5), by pushing the solution lock collar (8) to make the pin
Axis (61) is slided along the solution locked groove (511), thus the gauge changing hole where driving the locking pin (4) to move upwardly off
(23), wheel unlock is realized, to realize gauge changing.
2. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that the fixes sleeve (3)
Outer wall is circumferentially provided with reset seat (36)；The inner circumferential for alleviating sleeve (5) offers one section of reset bullet being connected to its outer end
Spring mounting groove (517), and the outer end is provided with the alleviation disk cover (53) of annular；It is arranged on the fixes sleeve (3) multiple
Position spring (7), the reset seat (36) and reset spring (7) setting are in the reset spring mounting groove (517), the reset
One end of spring (7) is against the reset seat, and the other end of the reset spring (7) is against the alleviation disk cover (53).
3. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that outside the interconnecting piece (22)
Wall setting contraposition seat (24), contraposition seat (24) are and axial parallel plane；The inner wall of the nesting part (32) is provided with
The aligning platform (34) to match with contraposition seat (24), the aligning platform (34) are and axial parallel plane；The gauge
Transformation hole (23) is set on the contraposition seat (24)；Matchingly, the lock hole (33) is set to the aligning platform (34)
On.
4. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that multiple gauge changing holes
(23) quantity is two, with two gauge changing holes (23) for one group, on the circumferencial direction of the interconnecting piece (22)
It is evenly distributed with gauge changing hole (23) described in multiple groups；Be provided on the circumferencial direction of the nesting part (32) with described in multiple groups
The one-to-one lock hole (33) in gauge changing hole (23).
5. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that the interconnecting piece (22) it is interior
Wall is provided with torsional channel (25), and the torsional channel (25) is axial groove-like structure；The nesting part (32) be internally provided with
The torque block (35) that the torsional channel (25) matches, the torque block (35) are axial strip structure, the torque block (35)
The gap for accommodating the interconnecting piece (22) is provided between the nesting part (32).
6. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that the axle (1) is equipped with
Wheel mounting base (11), the outer cover of the wheel mounting base (11) are equipped with sliding bearing (14), the sliding bearing (14) with
Wheel mounting base (11) interference fit；The wheel hub (21) has been internally embedded axle sleeve (29), the axle sleeve (29) and institute
State wheel hub (21) interference fit；The wheel (2) is slidably connected by the axle sleeve (29) with the sliding bearing (14).
7. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that the solution locked groove (511) at
To setting, the both ends of the pin shaft (61) are located in two solution locked grooves (511), and the pin shaft (61) is perpendicular to described
Solve the extending direction of locked groove (511), the middle part articulated connection of the locking pin (4) and the pin shaft (61)；The pin shaft (61)
Both ends be respectively equipped with bearing (62), pass through the bearing (62) and solution locked groove (511) slidable connection.
8. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that alleviation sleeve (5) packet
Include unlock piece (51) and retainer plate (52)；The unlock piece (51) is one 1/4 cylindrical structures, and one end of the unlock piece (51) is set
Assembled screw hole (516) are equipped with, four unlock pieces (51) are assembled by the alleviation sleeve (5) by retainer plate (52)；The solution
Locked groove (511) is set to the interface position that the unlock piece (51) is assembled into complete cylinder.
9. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that alleviation sleeve (5)
Outer wall is provided with solution lock collar mounting base (515), and the solution lock collar (8) is arranged on the solution lock collar mounting base (515), the solution
Lock collar (8) is assembled by two semi-discs, and the solution lock collar mounting base (515) is perpendicular to alleviation sleeve (5) outer wall
Annulus；The interface of solution lock collar (8) is docked with the interface for alleviating sleeve (5).
10. the wheel pair according to claim 1 for gauge-changeable bogie, which is characterized in that the wheel (2) it is inside and outside
Two sides are correspondingly provided with interior shield (91) and outer protective cover (92), are provided on the side wall of the disc (27) of the wheel (2) anti-
One end of seat for mounting protective cover (28), the interior shield (91) is connect with the shield mounting base (28), the other end with it is described
Alleviate the lateral wall connection of sleeve (5), one end of the outer protective cover (92) is connect with the shield mounting base (28), another
End is connect with the axle (1).
11. a kind of gauge-changeable bogie, including framework, which is characterized in that further include as claim 1-10 is described in any item
Wheel pair for gauge-changeable bogie.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697495.6A CN108909355B (en) | 2018-06-29 | 2018-06-29 | Wheel set for variable-gauge bogie and bogie |
| PCT/CN2019/079549 WO2020001097A1 (en) | 2018-06-29 | 2019-03-25 | Wheel set used for variable gauge bogie and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697495.6A CN108909355B (en) | 2018-06-29 | 2018-06-29 | Wheel set for variable-gauge bogie and bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909355A true CN108909355A (en) | 2018-11-30 |
| CN108909355B CN108909355B (en) | 2020-05-19 |
Family
ID=64424299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697495.6A Active CN108909355B (en) | 2018-06-29 | 2018-06-29 | Wheel set for variable-gauge bogie and bogie |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108909355B (en) |
| WO (1) | WO2020001097A1 (en) |
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| CN110228494A (en) * | 2019-06-21 | 2019-09-13 | 中车青岛四方机车车辆股份有限公司 | A kind of gauge-changeable wheelsets wheel and gauge-changeable wheelsets |
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| WO2021093274A1 (en) * | 2019-11-12 | 2021-05-20 | 中车株洲电力机车有限公司 | Gauge-changeable bogie, gauge changing device and gauge changing method |
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| CN111703456B (en) * | 2020-06-10 | 2021-07-13 | 中车长江车辆有限公司 | Wheel pair assembly and track-distance-variable bogie |
| CN111703456A (en) * | 2020-06-10 | 2020-09-25 | 中车长江车辆有限公司 | Wheel pair assembly and track-distance-variable bogie |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020001097A1 (en) | 2020-01-02 |
| CN108909355B (en) | 2020-05-19 |
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