CN110228495A - A kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets - Google Patents

A kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets Download PDF

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Publication number
CN110228495A
CN110228495A CN201910541173.7A CN201910541173A CN110228495A CN 110228495 A CN110228495 A CN 110228495A CN 201910541173 A CN201910541173 A CN 201910541173A CN 110228495 A CN110228495 A CN 110228495A
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CN
China
Prior art keywords
gauge
wheel
locking
dynamic iron
iron core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910541173.7A
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Chinese (zh)
Other versions
CN110228495B (en
Inventor
周平宇
宋晓文
王旭
乔青峰
王玉桃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
CRRC Qingdao Sifang Co Ltd
Original Assignee
Southwest Jiaotong University
CRRC Qingdao Sifang Co Ltd
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Filing date
Publication date
Application filed by Southwest Jiaotong University, CRRC Qingdao Sifang Co Ltd filed Critical Southwest Jiaotong University
Priority to CN201910541173.7A priority Critical patent/CN110228495B/en
Publication of CN110228495A publication Critical patent/CN110228495A/en
Priority to EP20825701.4A priority patent/EP3936405B1/en
Priority to PCT/CN2020/090851 priority patent/WO2020253444A1/en
Priority to PL20825701.4T priority patent/PL3936405T3/en
Priority to ES20825701T priority patent/ES2956392T3/en
Application granted granted Critical
Publication of CN110228495B publication Critical patent/CN110228495B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02Dead axles, i.e. not transmitting torque
    • B60B35/10Dead axles, i.e. not transmitting torque adjustable for varying track
    • B60B35/1036Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance
    • B60B35/1045Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance electrically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02Dead axles, i.e. not transmitting torque
    • B60B35/10Dead axles, i.e. not transmitting torque adjustable for varying track
    • B60B35/1072Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements
    • B60B35/1081Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements the element is a wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F15/00Axle-boxes
    • B61F15/20Details
    • B61F15/26Covers; Sealing thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F7/00Rail vehicles equipped for use on tracks of different width

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

The present invention relates to rail vehicle gauge changing fields, disclose a kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets, the retaining mechanism includes tractive magnet and locking pin, tractive magnet includes hauling-eye and the dynamic iron core mobile by the on-off control of hauling-eye, the locking pin is fixedly connected on the one end of the dynamic iron core far from the hauling-eye, it is axially spaced on the inside wheel hub of wheel to be equipped with multiple locking holes, dynamic iron core can drive locking pin to protrude into or leave locking hole, realize wheel locking or unlock.The present invention can be directly realized by locking and unlock without external equipment;So that ground becomes rail facility and becomes relatively easy, become rail signal and exported by vehicle control system, improve the reliability for becoming rail movement and becomes rail efficiency.

Description

A kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets
Technical field
The present invention relates to rail vehicle gauge changing technical field, more particularly to a kind of gauge-changeable wheelsets retaining mechanism and Gauge-changeable wheelsets.
Background technique
In order to meet the transport requirement of nearby nations' difference gauge interorbital, now mostly in the different wheels of intersection replacement to inside Away from bogie, the program is at high cost, time-consuming.The bogie of variable rail gauge, Neng Gou have successively invented in Spain and Japan Different gauge interorbital continuous operations.
But in existing change rail structure, especially retaining mechanism is passive form, and becoming rail movement need to set by external auxiliary Applying could complete, low efficiency, and input cost is high.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide a kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets, to solve existing change Retaining mechanism is passive form in rail structure, and becoming rail movement need to could complete by external aids, and efficiency is lower, puts into Problem at high cost.
(2) technical solution
In order to solve the above-mentioned technical problem, described the embodiment of the invention provides a kind of gauge-changeable wheelsets retaining mechanism Retaining mechanism includes tractive magnet and locking pin, and the tractive magnet includes hauling-eye and leading to by the hauling-eye The mobile dynamic iron core of disconnected control, the locking pin are fixedly connected on the one end of the dynamic iron core far from the hauling-eye, become rail Axially spaced on the inside wheel hub of wheel away from wheel pair to be equipped with multiple locking holes, the dynamic iron core can drive the locking pin to stretch Enter or leave the locking hole, realizes the wheel locking or unlock.
In a specific embodiment of the invention, the retaining mechanism further includes sleeve, and the sleeve includes first sleeve With the second sleeve being socketed with the first sleeve;The first sleeve includes first end cover and along first end cover circumferential direction court The first cylinder extended to the wheel side, the first end cover are equipped with axially extending bore, and the first end cover passes through the axial direction Through-hole is fastened and inserted on the axle of gauge-changeable wheelsets, and the second sleeve includes the circumferential integrally connected with first cylinder Second end cover and circumferential the second cylinder extended towards the wheel side along the second end cover;
The inside wheel hub of the wheel extends into first cylinder, and is slidably matched with first cylinder, described The inner wall of first cylinder corresponds to the locking hole direction and is equipped with the through-hole passed through for the dynamic iron core.
In a specific embodiment of the invention, the tractive magnet further includes shell, and the shell is fixed on described On the inner sidewall of second end cover, the hauling-eye is disposed in the housing, and one end of the dynamic iron core passes through the draught line Circle drives the locking pin to be located in the corresponding locking hole across the through-hole and realizes the wheel by the dynamic iron core Locking, the locking hole where driving the locking pin to leave by the dynamic iron core realize that the wheel unlocks.
In a specific embodiment of the invention, the tractive magnet further includes being respectively arranged on the dynamic iron core with respect to two The sucker coil of side, and the lock pin with each sucker fitting coils, the axially spaced-apart of the dynamic iron core set there are two annular Locked groove, the lock pin are fixed on solution lock-bit or locking for being inserted in one of in the annular lock groove, by the dynamic iron core Position.
In a specific embodiment of the invention, the sucker coil is installed and is equipped with described in receiving at the position of the lock pin The cavity of lock pin one end, there are the movable gap of the lock pin in the cavity, the lock pin is located at one end outside the cavity Equipped with annular convex platform, the first spring is arranged on the lock pin, one end of first spring is resisted against on the annular convex platform, The other end of first spring is resisted against the outside of the cavity;
One end that the dynamic iron core is located at outside the shell is arranged with second spring, and one end of the second spring is resisted against The outside of the shell, the other end of the second spring are resisted against in the annular flange of the dynamic iron core end.
In a specific embodiment of the invention, in the cavity there are for the movable gap of the lock pin be 3-4mm.
In a specific embodiment of the invention, the inside wheel hub of the wheel is circumferentially with multiple rows of locking hole, Locking hole described in every row includes multiple locking holes along the setting of its axially spaced-apart, between two adjacent locking holes Distance is equal to the half of required gauge changing;
The tractive magnet includes multiple, inner sidewall circumferential direction point of multiple tractive magnets along the second end cover Cloth, and multiple tractive magnets and multiple rows of locking hole correspond.
In a specific embodiment of the invention, second cylinder periphery is arranged with dustproof cover, and the dustproof cover includes Annular lid and retaining ring set on the annular lid axial ends are equipped with multiple brushes, second cylinder in the lid It is equipped with a pair of annular mounting groove around its periphery along its axially spaced-apart, the inner circumferential of the retaining ring is separately mounted to the annular peace In tankage, the periphery of second cylinder, which is located between a pair of annular mounting groove, to be equipped with and the one-to-one core of the brush Piece, the chip is mounted on electro-insulating rubber, and is separated between adjacent chips by electro-insulating rubber;The hauling-eye and sucker line Circle is electrically connected with the corresponding chip respectively, and second cylinder is rotated relative to the dustproof cover so that chip and brush friction Electrical connection is formed, for the hauling-eye and sucker coil power supply.
In a specific embodiment of the invention, the brush includes two pairs, and the chip includes two pairs, the draught line Circle is electrically connected with a pair chip therein, and the sucker coil is electrically connected with chip described in another pair;
Two pairs of brushes are separately connected power supply unit, said supply unit connection control mechanism.
The embodiment of the present invention also provides a kind of gauge-changeable wheelsets, including wheel, axle and gauge-changeable wheelsets described above With retaining mechanism, the wheel is set to the both ends of the axle, and is connect with the axle by spline, the inside of the wheel Axially spaced on wheel hub to be equipped with multiple locking holes, the dynamic iron core can protrude into or leave institute under the action of the hauling-eye Locking hole is stated, realizes the relatively described axle locking of the wheel or unlock.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of gauge-changeable wheelsets retaining mechanism and gauge-changeable wheelsets provided by the invention, retaining mechanism include traction electromagnetism Iron and locking pin drive locking pin to stretch out or shrink, realize wheel locking and solution by the on-off control dynamic iron core of tractive magnet Lock can be directly realized by locking and unlock without external equipment;So that ground becomes rail facility and becomes relatively easy, become rail letter It number is exported by vehicle control system, improve the reliability for becoming rail movement and becomes rail efficiency, while also saving that laying is external to be set Standby cost.
Detailed description of the invention
Fig. 1 is a kind of stereoscopic schematic diagram of gauge-changeable wheelsets of the embodiment of the present invention;
Fig. 2 is a kind of schematic diagram of power gauge-changeable wheelsets of the embodiment of the present invention;
Fig. 3 is a kind of schematic diagram of non-powered gauge-changeable wheelsets of the embodiment of the present invention;
Fig. 4 is the stereoscopic schematic diagram of wheel in a kind of gauge-changeable wheelsets of the embodiment of the present invention;
Fig. 5 is the axial schematic cross-sectional view that a kind of gauge-changeable wheelsets of the embodiment of the present invention show transversal driving mechanism;
Fig. 6 is the schematic diagram of mobile disk in a kind of gauge-changeable wheelsets of the embodiment of the present invention;
Fig. 7 is the axial schematic cross-sectional view that a kind of gauge-changeable wheelsets of the embodiment of the present invention show retaining mechanism;
Fig. 8 is the partial enlarged view of A in Fig. 7;
Fig. 9 is the schematic diagram of tractive magnet in retaining mechanism of the embodiment of the present invention;
Figure 10 is the stereoscopic schematic diagram of dustproof cover in the embodiment of the present invention;
Figure 11 is the stereoscopic schematic diagram of another angle of dustproof cover in the embodiment of the present invention;
In figure: 1: transversal driving mechanism;11: electric cylinder;12: nut;2: brake disc;3: retaining mechanism;31: sleeve;32: Tractive magnet;32-1: hauling-eye;32-2: dynamic iron core;33: locking pin;34: sucker coil;35: lock pin;4: wheel;41: Locking hole;5: axle;6: dustproof cover;61: brush;62: chip;63: electro-insulating rubber;64: lifting lug;7: axle box;8: mobile disk; 81: mobile disk retaining ring;82: connecting hole;9: four angular contact ball bearings;91: end ring;10: driving motor.
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 the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or It is more than two.
As Figure 7-9, the embodiment of the invention provides a kind of gauge-changeable wheelsets retaining mechanisms.
Specifically, the retaining mechanism 3 includes tractive magnet 32 and locking pin 33, and the tractive magnet 32 includes leading The lead circle 32-1 and dynamic iron core 32-2 mobile by the on-off control of the hauling-eye 32-1, the inside wheel hub of the wheel 4 Upper axially spaced equipped with multiple locking holes 41, the position of hauling-eye 32-1 is fixed, and dynamic iron core 32-2 is directed toward one of lock 41 position of tieholen, locking pin 33 are fixedly connected on one end i.e. court of the dynamic iron core 32-2 far from the hauling-eye 32-1 To one end of locking hole 41;Further, the axis coaxle of the axis of dynamic iron core 32-2 and locking hole 41 is arranged, the dynamic iron core 32-2 can drive locking pin 33 to protrude into or leave corresponding locking hole 41, and specifically, when vehicle operates normally, locking pin 33 is located at In the locking hole 41 of corresponding gauge, the two locking, when needing gauge changing, wheel 4 needs first to unlock, at this time hauling-eye 32-1 It is powered, dynamic iron core 32-2 is pulled the effect of coil 32-1 magnetic field force towards close to the movement of the direction of hauling-eye 32-1, band Dynamic locking pin 33 shrinks and leaves locking hole 41, realizes unlock.
In the present embodiment, wheel 4 is directly realized by by tractive magnet 32 and is locked and unlocked, without becoming rail facility on ground The structure that upper additional setting auxiliary is locked and unlocked, simplifies the structure that ground becomes rail facility, so that ground becomes rail facility Structure becomes relatively easy, save the cost, and reliability is higher.
In a specific embodiment of the invention, as shown in Figure 7 and Figure 8, the retaining mechanism 3 further includes sleeve 31, set Cylinder 31 transmits the cross force of wheel 4 by the interference fit with axle 5.
Specifically, the sleeve 31 includes first sleeve and the second sleeve with first sleeve socket;Described first Sleeve includes first end cover and the first cylinder along the first end cover circumferential direction towards 4 side of wheel extension, the first end It is covered with axially extending bore, the first end cover is fastened and inserted on the axle 5 by the axially extending bore, that is to say, that the One end cap and axle 5 are interference fitted, and the second sleeve includes the second end cover with the circumferential integrally connected of first cylinder With circumferential the second cylinder extended towards 4 side of wheel along the second end cover;
The inside wheel hub of the wheel 4 extends into first cylinder, and is slidably matched with first cylinder, described The inner wall of first cylinder corresponds to 41 direction of locking hole and is equipped with the through-hole passed through for the dynamic iron core 32-2, the present embodiment In, the axis of the through-hole is located in plane locating for the axis of multiple locking holes 41, and wherein one on the inside wheel hub of wheel 4 A locking hole 41 is opposite with lead to the hole site, and when 4 transverse shifting of wheel, the inside wheel hub of wheel 4 is mobile relative to the first cylinder, directly To being moved to, another locking hole 41 is opposite with lead to the hole site, it is, of course, understood that " locking hole 41 " and " another One locking hole 41 " is corresponding with locating gauge.
In order to facilitate the installation and fixation of hauling-eye 32-1, the tractive magnet 32 further includes shell, the shell It is fixed on the inner sidewall of the second end cover, the hauling-eye 32-1 is disposed in the housing, the dynamic iron core 32-2's One end passes through the hauling-eye 32-1, and the other end of the dynamic iron core 32-2 is fixedly connected with the locking pin 33, locking pin 33 can be fixedly connected with dynamic iron core 32-2 far from one end of hauling-eye 32-1 by connectors such as bolt, screws;Pass through institute Stating dynamic iron core 32-2 drives the locking pin 33 to pass through the through-hole positioned at described in realization in the locking hole 41 of corresponding gauge Wheel 4 is locked, and the locking hole 41 where driving the locking pin 33 to leave by the dynamic iron core 32-2 realizes the vehicle 4 unlock of wheel, locks and unlocks high reliablity, and easy to operate.
In a specific embodiment of the invention, as shown in figure 4, in order to improve reliability, the inside wheel hub of the wheel 4 Be circumferentially with multiple rows of locking hole 41, locking hole 41 described in every row includes multiple lockings along the setting of its axially spaced-apart Hole 41, the distance between described locking hole 41 of adjacent two are equal to the half of required gauge changing;In gauge changing, two wheels 4 is mobile simultaneously, and a half-distance of gauge changing needed for two each movements of wheel 4, then total moving distance is just required gauge changing Distance, such as become arrow gauge or broad gage from standard gauge;Or become standard gauge from arrow gauge or broad gage, it can basis Specifically need to select institute's gauge changing.
Correspondingly, the tractive magnet 32 includes multiple, and multiple tractive magnets 32 are along the second end cover Inner sidewall is circumferentially distributed, and multiple tractive magnets 32 and multiple rows of locking hole 41 correspond, that is to say, that each Tractive magnet 32 corresponds to row's locking hole 41.
In order to improve the reliability that dynamic iron core 32-2 is in locking state and unlocked state, as shown in figure 9, the traction is electric Magnet 32 further includes the sucker coil 34 for being respectively arranged on the dynamic iron core 32-2 opposite sides, and with each sucker coil 34 The lock pin 35 of cooperation, the axially spaced-apart of the dynamic iron core 32-2 are set there are two annular lock groove, one of annular lock groove and lock pin 35 is opposite, and the dynamic iron core 32-2 is fixed on unlock for being inserted in one of in the annular lock groove by the lock pin 35 Position or locking position, that is to say, that after dynamic iron core 32-2 is inserted into through-hole and locking hole 41, lock pin 35 is inserted into corresponding ring lock In slot, dynamic iron core 32-2 is fixed on locking position, improves the reliability of locking, when dynamic iron core 32-2 leaves corresponding locking hole 41 Afterwards, lock pin 35 is inserted into corresponding annular lock groove, and dynamic iron core 32-2 is fixed on solution lock-bit, and the reliability after improving unlock is kept away The maloperation of dynamic iron core 32-2 is exempted from.
In a specific embodiment of the invention, lock pin 35 is T-shaped, and the sucker coil 34 installs the position of the lock pin 35 It sets and locates to be equipped with the cavity for accommodating 35 big end of lock pin, the gap axially moveable there are the lock pin 35 in the cavity, The size of gap can be 3-4mm, preferably 3mm, and the lock pin 35 is located at one end outside the cavity and is equipped with annular convex platform, described The first spring is arranged on lock pin 35, one end of first spring is resisted against on the annular convex platform, first spring The other end is resisted against the outside of the cavity, and when sucker coil 34 is powered, lock pin 35 is attracted by the magnetic force of sucker coil 34, The elastic force for overcoming the first spring, the direction for being directed away from dynamic iron core 32-2 is mobile up to leaving dynamic iron core 32-2, at this time dynamic iron core 32-2 can be unlocked or locking action, and after the completion of unlock or locking, sucker coil 34 is powered off, and lock pin 35 is in the first spring Spring-return power effect under reinsert in corresponding annular lock groove, dynamic iron core 32-2 is located in unlock or locking state.
One end that the dynamic iron core 32-2 is located at outside the shell is arranged with second spring, and one end of the second spring is supported The outside of the shell is leaned against, the other end of the second spring is resisted against in the annular flange of the end the dynamic iron core 32-2; By second spring convenient for dynamic iron core 32-2 Rapid reset after hauling-eye 32-1 power-off.In gauge conversion process, traction electricity The action process of magnet 32 are as follows: firstly, sucker coil 34 is powered, inhales pendulum lock pin 35 and overcome spring force, make lock pin 35 from dynamic iron core It is stretched out in 32-2 annular lock groove.Lock pin 35 gos deep into dynamic iron core 32-2 annular groove 3mm namely lock pin 35 and is attracted identity distance from sucker 3mm, Magnetic force is larger in 3mm air gap, thus miniature sucker can be used.Then, hauling-eye 32-1 is powered, and dynamic iron core 32-2 drives locking Pin 33 is moved to outside locking hole 41, and wheel 4 unlocks.Furthermore before 4 transverse shifting of wheel, first powered off by sucker coil 34, lock pin 35 are stuck in the annular lock groove of the lower end dynamic iron core 32-2, so that dynamic iron core 32-2 is maintained at wheel 4 and solve lock-bit, then hauling-eye 32-1 breaks Electricity, coil conduction time avoidable in this way is longer and burns coil.Finally, sucker coil 34 is logical after wheel 4 completes gauge changing Electricity, dynamic iron core 32-2 unlock are moved downward under the effect of second spring restoring force, and are moved downward with 4 locking pin 33 of motor car wheel Into 4 hublock tieholen 41 of wheel, wheel 4 is locked again, and sucker coil 34 powers off, and lock pin 35 blocks dynamic iron core 32-2, avoids Its band 4 locking pin of motor car wheel, 33 radial motion under the action of the centrifugal force, and unlock wheel 4.
Since alternating electromagnet is generally alternating current 220V using voltage, Wen Shenggao when work, when dynamic iron core 32-2 is blocked When, for electromagnet because of the excessive easy burn-out of electric current, the service life is shorter.DC electromagnet generally uses 24V DC voltage, generally will not be because dynamic Iron core 32-2 is blocked and is burnt out, small in size, and service life is longer, but startup power is smaller than alternating electromagnet.Herein because of startup power Less, therefore direct current supply is used.
In a specific embodiment of the invention, as shown in Figure 10 and Figure 11, the periphery of second cylinder is arranged with anti- Dirt lid 6, the dustproof cover 6 include annular lid and the retaining ring set on the annular lid axial ends, are equipped in the lid Multiple brushes 61, second cylinder are equipped with a pair of annular mounting groove around its periphery along its axially spaced-apart, the retaining ring Inner circumferential is separately mounted in the annular mounting groove, and when specifically used, dustproof cover 6 is fixed, the second cylinder and wheel 4 one Play rotation;The periphery of second cylinder, which is located between a pair of annular mounting groove, to be equipped with the brush 61 correspondingly Chip 62, wheel 4, the loop current on axle 5 pass on chip 62 in order to prevent, obtain coil when not needing movement electronic Make, here wrapped up each chip 62 using electro-insulating rubber 63, only reserves the one side cooperated with brush 61, i.e., the described core Piece 62 is mounted on electro-insulating rubber 63, and is separated between adjacent chips 62 by electro-insulating rubber 63, to prevent short circuit;The hauling-eye 32-1 and sucker coil 34 are electrically connected with the corresponding chip 62 respectively, and second cylinder is rotated relative to the dustproof cover 6 It is electrically connected so that chip 62 is formed with the friction of brush 61, in order to be the hauling-eye 32-1 and the power supply of sucker coil 34.For It is installed convenient for dustproof cover 6, dustproof cover 6 is set as forming with two parts, there are two brushes 61 on every part.
In a specific embodiment of the invention, the brush 61 includes two pairs, and the chip 62 includes two pairs, described to lead Lead circle 32-1 is electrically connected with a pair therein chip 62, and the sucker coil 34 is electrically connected with chip 62 described in another pair It connects.
Two pairs of brushes 61 are separately connected power supply unit, said supply unit connection control mechanism, by control mechanism control Power supply unit processed is hauling-eye 32-1 and/or sucker coil 34 is powered, and control mechanism can be the control mechanism of train itself.
The embodiment of the invention also provides a kind of gauge-changeable wheelsets, as shown in Figure 1, including wheel 4 and axle 5, the vehicle Wheel 4 is set to the both ends of the axle 5, and is connect with the axle 5 by spline, and specifically, the inner circumferential of wheel 4 is equipped with interior flower Key, axle 5 are equipped with external splines, wheel 4 and axle 5 and are cooperatively connected by internal spline and external splines, torque is uniformly distributed In the inner circumferential of wheel 4, both convenient for transmitting torque, wheel 4 is also convenient for along axle 5 and slides realization gauge changing.The axle 5 is located at institute It states the both ends outside wheel 4 to be respectively supported in axle box 7, is wheel to providing support force by axle box 7;In the present embodiment, wheel 4 Wheel hub respectively to extending on the outside of wheel 4 and to extending on the inside of wheel 4, form outside wheel hub and inside wheel hub, with facilitate and its The component of cooperation is installed.
As viewed in figures 5-8, and as shown in connection with fig. 1, the present embodiment, for the ease of wheel gauge changing, gauge-changeable wheelsets include It is respectively arranged on the retaining mechanism 3 of the inside of each wheel 4 and is respectively arranged on the transverse direction in the outside of each wheel 4 Driving mechanism 1.
Further, transversal driving mechanism 1 is fixed on the axle box 7, and the transversal driving mechanism 1 includes electric cylinder 11, the extension end of the electric cylinder 11 is used to push or pull on the wheel 4 after unlock, realizes that wheel 4 converts gauge, becomes rail Away from after the completion, hauling-eye 32-1 power-off, hauling-eye 32-1 disappears to the magnetic field force of dynamic iron core 32-2, and dynamic iron core 32-2 is outside The direction that hauling-eye 32-1 is directed away under power effect is mobile, i.e., mobile towards the direction of close locking hole 41, and is inserted into lock It is locked again in tieholen 41.
Wheel 4, which is pushed or pull on, by the electric cylinder 11 of transversal driving mechanism 1 realizes that wheel 4 converts gauge;So that wheel 4 Traversing movement is more steady, can reduce the abrasion of wheel between centers, improve the reliability of gauge-changeable wheelsets retaining mechanism.
In a specific embodiment of the invention, as shown in figure 5, being connect for the ease of electric cylinder 11 with wheel 4, the cross It further include mobile disk 8 to driving mechanism 1, the mobile disk 8 includes being equipped with the disk body of central through hole and being fixedly mounted in described Bearing in heart through-hole, preferably 4 angular contact ball bearings 9, the inner ring of the bearing is fixed to be set in the outer of the wheel 4 On side wheel hub, guarantee that the disk body in rotation of axle 5 keeps opposing stationary;The disk body is equipped with the extension end with the electric cylinder 11 The extension end of the connecting hole 82 of connection, electric cylinder 11 is fixedly connected with connecting hole 82, thus when the extension end of electric cylinder 11 is mobile, It is able to drive 4 synchronizing moving of wheel.
It should be noted that since bearing herein wants that biggish bidirectional axial force can be born, and it is not subject to radial force substantially, Therefore select 4 angular contact ball bearings 9.
Limit speed for the speed of service for reaching train 400km/h, 4 angular contact ball bearings 9 should be not less thanWherein D is 4 diameter of wheel (unit: mm).49 width of angular contact ball bearing (axial direction) should be maintained at 45mm or so, thickness (radial direction) should be the smaller the better under the premise of meeting condition.4 angular contact ball bearings 9 do not set axial play System in addition, 4 angular contact ball bearings 9 are primarily subjected to bidirectional axial force, therefore will use two-way bearing rib to its inner side and outer side Circle 91;Correspondingly, mobile disk retaining ring 81 is set at the outer ring of 8 corresponding shaft bearing of mobile disk.
In a specific embodiment of the invention, specifically, in order to guarantee 4 stress balance of wheel, each laterally drive Motivation structure 1 includes two electric cylinders 11 being fixed on the axle box 7 in parallel, and two electric cylinders 11 are divided into wheel 4 The two sides of wheel hub, the opposite end of the disk body are respectively equipped with the connecting hole 82, and the extension end of the electric cylinder 11 passes through institute Connecting hole 82 is stated, and is fixedly connected with the extension end of the electric cylinder 11 with the connecting hole 82 using fastener, two connections Central through hole center symmetric setting of the hole 82 about disk body, that is, the power two sides for ensuring to be applied on 4 wheel disc of wheel are equal, into And guarantee 4 stress balance of wheel.
In a specific embodiment of the invention, the electric cylinder 11 is planetary roller screw electric cylinder, planetary roller silk The characteristics of thick stick pair has rolling element stress sectional area big, whenever all loaded simultaneously, no repeat stress, due to space Limitation uses the planetary roller screw electric cylinder of integral type herein.The lead screw extension end of the planetary roller screw electric cylinder is equipped with Positioning convex platform and external screw thread are equipped with rubber to prevent vibration from impacting to planetary roller screw electric cylinder in the connecting hole 82 Glue node, but rubber nodal point cannot be projected into outside hole, in order to avoid electric cylinder 11 is influenced in lateral operation precision;The lead screw stretches out End is across the rubber nodal point and the positioning convex platform is resisted against an end face of the connecting hole 82, is twisted using nut 12 and is located at institute The other end stated on external screw thread and the nut 12 is made to be resisted against the connecting hole 82, so that the two stable connection, with true After guarantor lead screw extension end is connect with connecting hole 82, electric cylinder 11 and mobile disk 8 do not have relative displacement, it is ensured that the mobile essence of wheel 4 Degree.
When gauge narrows from the width, electric cylinder 11 pushes mobile disk 8 mobile to the direction far from axle box 7,8 band of mobile disk Motor car wheel 4 is mobile simultaneously;Realize that broad gage narrows gauge.
When gauge is by narrow broaden, electric cylinder 11 pulls mobile disk 8 mobile to the direction of axle box 7, and mobile disk 8 is with motor-car Wheel 4 is mobile simultaneously;Realize that arrow gauge broadens gauge.
In a specific embodiment of the invention, as shown in fig. 6, the disk body setting is in class diamond shape, institute to reduce weight The apex angle for stating class diamond shape is disposed as the arc connecting with adjacent side transition, and a pair of connecting hole 82 is respectively arranged on the disk Opposite a pair of of vertex on body;Another pair vertex can will be set as due to no setting is required connecting hole 82 at the vertical angles The cambered surface to match with the periphery of the central through hole of disk body further to mitigate the weight of mobile disk 8, and saves material and shifting The installation space of Moving plate 8.
Gauge-changeable wheelsets be divided into power wheel to and carrying wheel pair, as shown in Fig. 2, the transversal driving mechanism 1 of power wheel pair It is mounted on 4 outside of wheel, retaining mechanism 3 is mounted on 4 inside of wheel, and inside is also equipped with gear-box and two brake discs 2, due to Brake disc 2 is mounted on axle 5, in order to prevent its conflicting spatially, the program use double reduction with driving motor 10, Wheel-base bogie slightly increases.In addition, power truck has end carriage, brake unit and dustproof cover pull rod are installed thereon.Dustproof cover 6 There are also a lifting lug 64 on outer ring, cooperate with the dustproof cover pull rod connected on end carriage, prevent its under the frictional force of sleeve notch with Sleeve rotation.
As shown in figure 3, carrying wheel is to being to take down the gear-box of power wheel pair, brake disc 2 is equally spaced, turn Original structure can be used to frame.
Power i.e. driving mechanism output power required for the scratch of axle 5, reduction wheel 4 are mobile when to avoid wheel 4 mobile, Unload wheel 4 by the way of supporting at axle box using supporting rail here.Therefore a set of support need to be installed in ground rail two sides Rail.
Become path section, supporting rail occurred before this, and narrow gauge section rail and supporting rail coexist one section.Then, rail moves back Out, only supporting rail supports, and completes the variation of gauge in this section.Then, broad gauge line section rail occurs, and coexists with supporting rail One section.Finally, supporting rail is gradually reduced, exits, into broad guage line.
Supporting rail supporting surface is identical away from elevation of water as axle box bottom away from elevation of water, and both ends height is lower, Carry out load/unload process slowly, to avoid impact is generated.There is a side block structure in its outside, prevent train transverse movement and Skid off supporting surface.
Gauge changing process is divided into 5 unloading of wheel 4, unlock, traversing, locking, load processes, here with from standard gauge For the gauge changing of 1435mm to broad gauge 1520mm, to illustrate the active gauge changing process for becoming rail scheme.
The first step, wheel 4 unload: train runs to change path section speed per hour degree from 1435mm gauge and is reduced to 15m/s, so Afterwards as train advances, supporting rail is gradually increasing, after supporting rail contacts with axle box 7 and runs a small distance, standard gauge steel Rail exits, and wheel 4 unloads completely.
Second step, wheel 4 unlock: the equipment being mounted in ground supports rail issues 4 unloader signal of wheel.Control mechanism is given Retaining mechanism 3 is powered, and is successively powered inside tractive magnet 32 by sucker coil 34, hauling-eye 32-1, dynamic iron core 32-2 solution It locks and is shunk with 4 locking pin 33 of motor car wheel, wheel 4 unlocks.When tractive magnet 32 checks dynamic iron core 32-2 in retraction position, The signal that wheel 4 unlocks is issued, control mechanism powers off sucker coil 34, hauling-eye 32-1 successively, for a long time to prevent coil It is powered and burns.At this point, dynamic iron core 32-2, which is stuck in wheel 4, by lock pin 35 solves lock-bit.
Gauge changing: third step after control mechanism receives the signal of the unlock of wheel 4, makes sucker coil 34, draught line While circle 32-1 is successively powered off, planetary roller screw electric cylinder energization (this energization direction of planetary roller screw electric cylinder is given With last time on the contrary, i.e. last time logical reversed electric this leads to positive electricity).It is new that the dynamic mobile disk 8 of 11 push/pull of electric cylinder reaches wheel 4 Gauge position.
4th step, wheel 4 are locked: electric cylinder 11 issues gauge variation completion signal after reaching travel position, then draws The sucker coil 34 of electromagnet 32 is powered, dynamic iron core 32-2 unlock, and band 4 locking pin 33 of motor car wheel under the effect of spring-return power It stretches out.When detection device detects that dynamic iron core 32-2 is in stretching position, issuing wheel 4 and lock signal, sucker coil 34 powers off, Dynamic iron core 32-2 and 4 locking pin 33 of wheel lock in 4 locking position of wheel, are prevented it from moving under the action of the centrifugal force by lock pin 35.
5th step, wheel 4 load: 1520mm gauge rail occurs, and supporting rail is gradually reduced, and wheel 4 reloads;Entirely Becoming rail process terminates.
As can be seen from the above embodiments, the present invention uses active gauge changing structure, is controlled by the on-off of tractive magnet Dynamic iron core is stretched out or is shunk, and realizes wheel locking and unlock, can be directly realized by locking and unlock without external equipment;Make Obtaining ground change rail facility becomes relatively easy, and cost reduces, and becomes rail signal and is exported by vehicle control system, improves change rail and acts Reliability and become rail efficiency.
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 gauge-changeable wheelsets retaining mechanism, which is characterized in that the retaining mechanism includes tractive magnet and locking pin, The tractive magnet includes hauling-eye and the dynamic iron core mobile by the on-off control of the hauling-eye, and the locking pin is solid Surely the one end of the dynamic iron core far from the hauling-eye is connected to, on the inside wheel hub of the wheel of gauge-changeable wheelsets between axial direction Every being equipped with multiple locking holes, the dynamic iron core can drive the locking pin to protrude into or leave the locking hole, realize the wheel Locking or unlock.
2. gauge-changeable wheelsets retaining mechanism according to claim 1, which is characterized in that the retaining mechanism further includes set Cylinder, the sleeve include first sleeve and the second sleeve with first sleeve socket;The first sleeve includes first end Lid and the first cylinder circumferentially extended towards the wheel side along the first end cover, the first end cover are equipped with axially extending bore, The first end cover is fastened and inserted on the axle of gauge-changeable wheelsets by the axially extending bore, and the second sleeve includes and institute State the second end cover of the circumferential integrally connected of the first cylinder and along the second end cover circumferentially towards wheel side extension Second cylinder;
The inside wheel hub of the wheel extends into first cylinder, and is slidably matched with first cylinder, and described first The inner wall of cylinder corresponds to the locking hole direction and is equipped with the through-hole passed through for the dynamic iron core.
3. gauge-changeable wheelsets retaining mechanism according to claim 2, which is characterized in that the tractive magnet further includes Shell, the shell are fixed on the inner sidewall of the second end cover, and the hauling-eye is disposed in the housing, the dynamic iron One end of core passes through the hauling-eye, drives the locking pin to pass through the through-hole by the dynamic iron core and is located at corresponding institute It states and realizes the wheel locking in locking hole, the locking hole where driving the locking pin to leave by the dynamic iron core is real The existing wheel unlock.
4. gauge-changeable wheelsets retaining mechanism according to claim 3, which is characterized in that the tractive magnet further includes It is respectively arranged on the sucker coil of the dynamic iron core opposite sides, and the lock pin with each sucker fitting coils, the dynamic iron The axially spaced-apart of core is set there are two annular lock groove, and the lock pin, will be described for being inserted in one of in the annular lock groove Dynamic iron core is fixed on solution lock-bit or locking position.
5. gauge-changeable wheelsets retaining mechanism according to claim 4, which is characterized in that described in the sucker coil installation It is equipped with the cavity for accommodating described lock pin one end at the position of lock pin, it is described there are the movable gap of the lock pin in the cavity Lock pin is located at one end outside the cavity and is equipped with annular convex platform, is arranged with the first spring on the lock pin, first spring One end is resisted against on the annular convex platform, and the other end of first spring is resisted against the outside of the cavity;
One end that the dynamic iron core is located at outside the shell is arranged with second spring, and one end of the second spring is resisted against described The outside of shell, the other end of the second spring are resisted against in the annular flange of the dynamic iron core end.
6. gauge-changeable wheelsets retaining mechanism according to claim 5, which is characterized in that in the cavity there are for institute Stating the movable gap of lock pin is 3-4mm.
7. gauge-changeable wheelsets retaining mechanism according to claim 2, which is characterized in that the inside wheel hub of the wheel It is circumferentially with multiple rows of locking hole, locking hole described in every row includes multiple locking holes along the setting of its axially spaced-apart, phase The distance between two adjacent described locking holes are equal to the half of required gauge changing;
The tractive magnet include it is multiple, multiple tractive magnets are circumferentially distributed along the inner sidewall of the second end cover, And multiple tractive magnets and multiple rows of locking hole correspond.
8. gauge-changeable wheelsets retaining mechanism according to claim 2, which is characterized in that second cylinder periphery is arranged There is dustproof cover, the dustproof cover includes annular lid and the retaining ring set on the annular lid axial ends, is set in the lid There are multiple brushes, second cylinder is equipped with a pair of annular mounting groove around its periphery along its axially spaced-apart, the retaining ring Inner circumferential is separately mounted in the annular mounting groove;The periphery of second cylinder, which is located between a pair of annular mounting groove, to be set Have and be mounted on electro-insulating rubber with the one-to-one chip of the brush, the chip, and by electro-insulating rubber between adjacent chips It separates;The hauling-eye and sucker coil are electrically connected with the corresponding chip respectively, and second cylinder is relatively described anti- Dirt lid rotates so that chip is electrically connected with brush friction formation, for the hauling-eye and sucker coil power supply.
9. gauge-changeable wheelsets retaining mechanism according to claim 8, which is characterized in that the brush includes two pairs, institute Stating chip includes two pairs, and the hauling-eye is electrically connected with a pair chip therein, the sucker coil and another pair institute State chip electrical connection.
10. a kind of gauge-changeable wheelsets, including wheel and axle, the wheel is set to the both ends of the axle, and with the axle It is connected by spline, which is characterized in that further include such as the described in any item gauge-changeable wheelsets retaining mechanisms of claim 1-9.
CN201910541173.7A 2019-06-21 2019-06-21 Locking mechanism for track-pitch-variable wheel set and track-pitch-variable wheel set Active CN110228495B (en)

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Application Number Priority Date Filing Date Title
CN201910541173.7A CN110228495B (en) 2019-06-21 2019-06-21 Locking mechanism for track-pitch-variable wheel set and track-pitch-variable wheel set
EP20825701.4A EP3936405B1 (en) 2019-06-21 2020-05-18 Locking mechanism for gauge-changeable wheel set, gauge-changeable wheel set and gauge-changeable bogie
PCT/CN2020/090851 WO2020253444A1 (en) 2019-06-21 2020-05-18 Locking mechanism for gauge-changeable wheel set, gauge-changeable wheel set and gauge-changeable bogie
PL20825701.4T PL3936405T3 (en) 2019-06-21 2020-05-18 Locking mechanism for gauge-changeable wheel set, gauge-changeable wheel set and gauge-changeable bogie
ES20825701T ES2956392T3 (en) 2019-06-21 2020-05-18 Locking mechanism for track-adjustable wheel set, track-adjustable wheel set and track-adjustable bogie

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WO2020253436A1 (en) * 2019-06-21 2020-12-24 中车青岛四方机车车辆股份有限公司 Movable disc assembly for changeable-gauge wheel set
WO2020253439A1 (en) * 2019-06-21 2020-12-24 中车青岛四方机车车辆股份有限公司 Sleeve and locking mechanism for changeable-gauge wheel set
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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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