CN110274779A - A kind of Dynamical Analyses of New Gauge-Changeable bogie becomes rail function and reliability test bench - Google Patents
A kind of Dynamical Analyses of New Gauge-Changeable bogie becomes rail function and reliability test bench Download PDFInfo
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- CN110274779A CN110274779A CN201910711403.XA CN201910711403A CN110274779A CN 110274779 A CN110274779 A CN 110274779A CN 201910711403 A CN201910711403 A CN 201910711403A CN 110274779 A CN110274779 A CN 110274779A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of Dynamical Analyses of New Gauge-Changeable bogies to become rail function and reliability test bench, mainly includes mobile platform power drive unit, parallel-moving type gauge changing device, carrying rail, limiting device, planer-type suspension apparatus；The mobile platform power drive unit drives the longitudinal movement of parallel-moving type gauge changing device by motor-crank rod movement pair, parallel-moving type gauge changing device is unlocked and locks to gauge-changeable wheelsets, and the axial gauge changing along wheel shaft is moved for wheel, laterally steering effect is provided, carrying rail provides carrying and longitudinally guiding effect for it, limiting device carries out lateral centering positioning and vertical limit to the direction of motion, and the wheel of the fixed bogie of planer-type suspension apparatus is to position and to wheel to unloading.The present invention becomes rail movement by the circulation of the reciprocating motion simulation gauge-changeable wheelsets of mobile platform, becomes rail function for research gauge-changeable bogie and fail-safe analysis provides basis.
Description
Technical field
The present invention relates to rail vehicle dynamic simulation and testing fields, and in particular to a kind of Dynamical Analyses of New Gauge-Changeable bogie change rail
Function and reliability test bench.
Background technique
Due to politics, economy, technology and history etc., there is different gauge systems in railway transportation for a long time
Formula, with the rapid development of global economic integration, the trade contacts and cultural exchanges between various countries are increasingly frequent, railway transportation
It is increasingly becoming one of most important land-borne trade channel of transnational and trans-regional through transport, and gauge difference is the development band of international combined transport
Carry out many restrictions, therefore realizes that the gauge-changeable bogie of the straight-through operation in gauge difference section comes into being.
In order to make the gauge-changeable bogie after production that can smoothly complete change rail on actual track vehicle, assembled in real vehicle
Can gauge-changeable bogie is needed to verify before complete to become rail function, and detect its gauge changing mechanism under the conditions of cycle operation
Reliability, it is therefore desirable to develop gauge-changeable bogie gauge changing function and reliability test.In order to solve the prior art
In be difficult to carry out gauge-changeable bogie the problem of becoming rail function and reliability test, the invention proposes a kind of Dynamical Analyses of New Gauge-Changeable
Bogie becomes rail function and reliability test bench, and by the track of mobile plate simulation relative movement, gauge be can according to need
Adjustment variation, while unlock and the locking of gauge changing device may be implemented, so as to the unlock of circulating analog gauge-changeable wheelsets
With locking and change rail movement, basis is provided for the detection and fail-safe analysis of changeable identity gauge changing function.
Summary of the invention
To solve the above problems, the invention proposes a kind of Dynamical Analyses of New Gauge-Changeable bogies to become rail function and reliability test
Platform, using the track of mobile plate simulation relative movement, the straight reciprocating motion of plate is realized by crank link mechanism, and rail
Gauge B (or A) is changed to away from can according to need from gauge A (or B), it is dynamic so as to the change rail of circulating analog gauge-changeable wheelsets
Make, can it, which be able to detect gauge-changeable bogie and realize, becomes rail function, and carries out bogie change by the movement of the change rail of circulation
The fatigue life test etc. of reliability test and gauge the unlock lockable mechanism of gauge mechanism.
To achieve the goals above, a kind of Dynamical Analyses of New Gauge-Changeable bogie of the present invention becomes rail function and reliability test
Platform mainly includes mobile platform power drive unit 1, parallel-moving type gauge changing device 2, carrying rail 3, limiting device 4, dragon
Gate-type suspension apparatus 5；The mobile platform power drive unit 1 is fixedly mounted on the ground, is transported by motor-crank connecting link
The longitudinal movement of dynamic secondary driving parallel-moving type gauge changing device 2, parallel-moving type gauge changing device 2 are unlocked gauge-changeable wheelsets
And locking, and the axial gauge changing along wheel shaft is moved for wheel, laterally steering effect is provided；The carrying rail 3 is symmetrically pacified
Mounted in the down either side of parallel-moving type gauge changing device 2, carrying and longitudinally guiding effect are provided for it；The limiting device 4
The two sides of parallel-moving type gauge changing device 2 are symmetrically mounted on, lateral centering positioning and vertical limit are carried out to its straight reciprocating motion
Position；The wheel of the fixed bogie of the planer-type suspension apparatus 5 is to position and to wheel to unloading.
The mobile platform power drive unit 1 includes: motor 1-1, No.1 shaft coupling 1-2, retarder 1-3, No. two
Shaft coupling 1-4, transmission shaft 1-5, No.1 bearing 1-6, No.1 bearing block 1-7, No. two bearing 1-8, No. two bearing block 1-9, turntables
1-10, connecting rod pivot pin 1-11, connecting rod 1-12；Motor 1-1, retarder 1-3, No.1 bearing block 1-7 and No. two bearing blocks
1-9 is fixed on the ground by foundation bolt respectively；The output shaft of the motor 1-1 is by No.1 shaft coupling 1-2 and slows down
The input shaft of device 1-3 is connected, and the output shaft of the retarder 1-3 is connected by No. two shaft coupling 1-4 with transmission shaft 1-5
It connects, the transmission shaft 1-5 passes through No.1 bearing 1-6 respectively and No. two bearing 1-8 are supported on No.1 bearing block 1-7 and No. two axis
It holds on a 1-9；The transmission shaft 1-5 and turntable 1-10 is connected by key；The effect of motor 1-1 is by power through retarder 1-
Transmission shaft 1-5 is passed to after 3 reduction of speed torque increases, so that turntable 1-10 be driven to rotate；The turntable 1-10 and connecting rod pivot pin 1-11
One end is connected, and the connecting rod pivot pin 1-11 other end is flexibly connected with connecting rod 1-12, and centre plus rolling bearing guarantee connecting rod 1-12 around even
Bar pivot pin 1-11 is relatively rotated, and the connecting rod 1-12 other end and mobile platform 2-1 are hinged, the central axes of turntable 1-10 and shifting
The horizontal central plane of moving platform 2-1 in the same plane, guarantees that crank link mechanism is to core type, so that mobile platform 2-1 is protected
Hold uniform motion；The crank link mechanism makes the rotary motion of turntable 1-10 be converted into the rectilinear translation of mobile platform 2-1
Movement, the direction of linear motion is acted on by the positioning and guiding of limiting device 4 to be guaranteed；The mobile platform power drive unit 1
Longitudinally mounted position guarantee link motion to top dead centre Shi Buyu parallel-moving type gauge changing device 2 end interfere.
The parallel-moving type gauge changing device 2 is mating including mobile platform 2-1, gauge changing guided way 2-2, unlock locking
Device 2-3；The mobile platform 2-1 is welded to realize lightweight by the square tube and rectangular tube of standard specification, mobile flat
The end platform 2-1 and connecting rod 1-12 are hinged；Paving mode of the gauge changing guided way 2-2 on mobile platform 2-1 is according to rail
It is divided into gauge A guide section 2-4 and gauge B guide section 2-5 away from difference, two gauge changing guided way 2-2 are presented referring to center line
" eight " shape or anti-" eight " shape arrangement, gauge A and gauge B can need to be adjusted according to the test of gauge-changeable bogie,
Gauge changing guided way 2-2 is bolted on mobile platform 2-1, and the variation of gauge drives two sides wheel same relative to wheel shaft
When move in or out, realize the conversion of wheelspan；The unlock locking corollary apparatus 2-3 includes support frame 2-3-1, unlock
Locking rail 2-3-2 and connecting plate 2-3-3, unlock locking rail 2-3-2 are welded on support frame 2-3-1, and installation site should be able to protect
The lucky in-orbit interior traveling of trundle on gauge-changeable wheelsets locking device is demonstrate,proved, with the reciprocating motion of mobile platform 2-1, gauge changing
The retaining mechanism of wheel pair completes unlock according to the stroke variation of unlock locking rail 2-3-2 and locking acts, every row's support frame 2-3-1
Between be welded as a whole by connecting plate 2-3-3 and improve bearing capacity, every row's support frame 2-3-1 presses predetermined distance balanced welding
It connects in the upper surface mobile platform 2-1 two sides.
The carrying rail 3 includes carrier roller 3-1 and mounting base 3-2, and carrier roller 3-1 is assemblied in mounting base 3-
On 2 side walls, carrier roller 3-1 and mounting base 3-2 stay bottom it is at regular intervals, guarantee carrier roller 3-1 be freely rotated；Work
When, the bottom surface mobile platform 2-1 contacts with the surface carrier roller 3-1 and does alternating translational movement；Carrying rail 3 is symmetrically mounted on shifting
Moving platform 2-1 down either side, length guarantee mobile platform 2-1 in a reciprocating stroke always with carrier roller 3-1
Surface contact.
The limiting device 4 includes lateral centering positioning rail 4-1, vertical limiting device 4-2 and Auxiliary support column 4-
3；The lateral alignment positioning device 4-1 includes roller 4-1-1 and lateral support 4-1-2, and lateral support 4-1-2 is solid with screw
It is scheduled on the inside of the column 5-1 and Auxiliary support column 4-3 of planer-type suspension apparatus 5；The roller 4-1- of lateral centering positioning rail 4-1
1 surface is contacted with the side of mobile platform 2-1, and lateral displacement when limitation mobile platform 2-1 is vertically moved and not clamping stagnation make to put down
2 centering always of shifting formula gauge changing device does straight reciprocating motion along centerline direction；The vertical limiting device 4-2 includes
Vertical position-limited rail 4-2-1 and support connection device 4-2-2, vertical position-limited rail 4-2-1 include support rollers 4-2-1-1 and pedestal 4-
2-1-2, pedestal 4-2-1-2 weld together with support connection device 4-2-2, and support connection device 4-2-2 is fixed by screw
On the inside of the column 5-1 and Auxiliary support column 4-3 of planer-type suspension apparatus 5, the fixed branch to vertical position-limited rail 4-2-1 is realized
Support；The upper surface on the surface vertical position-limited rail 4-2-1 and mobile platform 2-1 contacts, and limits mobile platform 2-1 in longitudinal fortune
Vertical deviation when dynamic and not clamping stagnation, contact the lower surface mobile platform 2-1 with the carrier roller 3-1 of carrying rail 3 always
Do straight reciprocating motion；The lateral wall of the pedestal 4-2-1-2 of the vertical position-limited rail 4-2-1 opens 1~2mm groove, guarantee with
The relative position of lateral centering positioning rail 4-1；Four Auxiliary support column 4-3 uniformly pacify on the outside of carrying rail 3
At dress, medial surface and gantry upright post medial surface in the same plane, the lateral centering positioning rail 4-1 and vertical limit dress
It sets 4-2 and is symmetrically mounted on the two sides mobile platform 2-1, length and carrying rail 3 are consistent；The carrying of the carrying rail 3
The support rollers 4-2-1-1 end face outside of the end face outside of roller 3-1 and vertical position-limited rail 4-2-1 be in it is same stand in face,
Guarantee the horizontal rectilinear motion of mobile platform 2-1.
The planer-type suspension apparatus 5, including column 5-1, support platform 5-2, hanging beam 5-3, hanging ring 5-4 and T shape
Slot connecting plate 5-5；The planer-type suspension apparatus 5 across mobile platform 2-1, cross central line and carrying rail 3 and
The cross central line of limiting device 4 is in the same plane；The hanging ring 5-4 is fixed by screws in T-slot connecting plate 5-5
On, T-slot connecting plate 5-5 is welded on hanging beam 5-3, and distance is adjustable to meet different structure steering between two hanging ring 5-4
The requirement of frame, depending on two hanging ring 5-4 center hole sizes are according to the variation of the gauge-changeable wheelsets diameters of axle, main function is suspension and consolidates
The position for determining variable rail gauge wheel pair makes wheel complete unlock locking and gauge switching motion to hanging unloading.
Compared with prior art the beneficial effects of the present invention are:
A kind of Dynamical Analyses of New Gauge-Changeable bogie of the present invention becomes rail function and reliability test bench, using mobile plate
The track of relative movement is simulated, the straight reciprocating motion of platform is realized by motor-crank link mechanism, and to the straight of mobile platform
Line movement carries out stringent positioning centering, and integrated carrying ability is strong and the resistance of motion is small, drives gauge changing in platform motion process
Gauge unlock-the lockable mechanism and gauge changing mechanism of bogie carry out gauge unlock and locking and the change rail of gauge-changeable bogie
Movement realizes the unlock of circulation, locking by the reciprocating motion of platform and becomes rail movement, carries out the reliability examination of gauge changing
It tests and unlock-lockable mechanism of gauge-changeable bogie and the fatigue life test of slipping mechanism etc., is practical gauge changing track
Vehicle smoothly completes change rail and improves reliability and safety.
Detailed description of the invention
A kind of Fig. 1 Dynamical Analyses of New Gauge-Changeable bogie of the present invention becomes the axonometric drawing of rail function and reliability test bench；
A kind of Fig. 2 Dynamical Analyses of New Gauge-Changeable bogie of the present invention becomes the side view of rail function and reliability test bench；
Fig. 3 mobile platform power drive unit scheme of installation of the present invention；
The axonometric drawing of Fig. 4 parallel-moving type gauge changing device of the present invention；
Fig. 5 gauge changing guided way paving mode top view of the present invention；
Fig. 6 unlock locking rail part drawing of the present invention；
The axonometric drawing of Fig. 7 carrying rail of the present invention；
Fig. 8 limiting device scheme of installation of the present invention；
The axonometric drawing of Fig. 9 lateral centering positioning rail and vertical limiting device of the present invention；
The axonometric drawing of Figure 10 planer-type suspension apparatus of the present invention；
The partial enlarged view of Figure 11 T-slot of the present invention and hanging ring installation signal；
1. mobile platform power drive unit, 1-1. motor, 1-2. No.1 shaft coupling, 1-3. retarder, 1-4. bis- connection
Axis device, 1-5. transmission shaft, 1-6. No.1 bearing, 1-7. No.1 bearing block, No. bis- bearings of 1-8., No. bis- bearing blocks of 1-9., 1-10.
Turntable, 1-11. connecting rod pivot pin, 1-12. connecting rod；2. parallel-moving type gauge changing device, the mobile plate of 2-1., 2-2. gauge changing guiding
Rail, 2-3. unlock locking corollary apparatus, 2-3-1. support frame, and 2-3-2. unlocks locking rail, 2-3-3. connecting plate, 2-4. gauge A
Guide section, 2-5. gauge B guide section；3. carrying rail, 3-1. carrier roller, 3-2. mounting base；4. limiting device, 4-1. is horizontal
To centering positioning rail, 4-1-1. roller, 4-1-2. lateral support, the vertical limiting device of 4-2., the vertical position-limited rail of 4-2-1., 4-2-
1-1. support rollers, 4-2-1-2. pedestal, 4-2-2. support connection device；4-3. Auxiliary support column, 5. planer-types suspention dress
It sets, 5-1. column, 5-2. support platform, 5-3. hanging beam, 5-4. hanging ring, 5-5.T shape slot connecting plate.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings:
Refering to fig. 1 and Fig. 2, a kind of Dynamical Analyses of New Gauge-Changeable bogie of the present invention becomes rail function and reliability test bench,
It mainly include mobile platform power drive unit 1, parallel-moving type gauge changing device 2, carrying rail 3, limiting device 4, gantry
Formula suspension apparatus 5；The mobile platform power drive unit 1 is fixedly mounted on the ground, passes through motor-crank rod movement
The longitudinal movement of pair driving parallel-moving type gauge changing device 2, parallel-moving type gauge changing device 2 gauge-changeable wheelsets are unlocked and
Locking, and the axial gauge changing along wheel shaft is moved for wheel, laterally steering effect is provided；The carrying rail 3 is symmetrically installed
In the down either side of parallel-moving type gauge changing device 2, carrying and longitudinally guiding effect are provided for it；The limiting device 4 is right
Claim the two sides for being mounted on parallel-moving type gauge changing device 2, lateral centering positioning and vertical limit are carried out to its straight reciprocating motion；
The wheel of the fixed bogie of the planer-type suspension apparatus 5 is to position and to wheel to unloading.
Refering to Fig. 3, the mobile platform power drive unit 1 includes: motor 1-1, No.1 shaft coupling 1-2, retarder
1-3, No. two shaft coupling 1-4, transmission shaft 1-5, No.1 bearing 1-6, No.1 bearing block 1-7, No. two bearing 1-8, No. two bearing blocks
1-9, turntable 1-10, connecting rod pivot pin 1-11, connecting rod 1-12；The motor 1-1, retarder 1-3, No.1 bearing block 1-7 and two
Number bearing block 1-9 is fixed on the ground by foundation bolt respectively；The output shaft of the motor 1-1 passes through No.1 shaft coupling 1-
2 are connected with the input shaft of retarder 1-3, and the output shaft of the retarder 1-3 passes through No. two shaft coupling 1-4 and transmission shaft 1-
5 are connected, the transmission shaft 1-5 pass through respectively No.1 bearing 1-6 and No. two bearing 1-8 be supported on No.1 bearing block 1-7 and
On No. two bearing block 1-9；The transmission shaft 1-5 and turntable 1-10 is connected by key；The effect of motor 1-1 is by power through subtracting
Transmission shaft 1-5 is passed to after fast device 1-3 reduction of speed torque increase, so that turntable 1-10 be driven to rotate；The turntable 1-10 and pitman shaft
It sells the one end 1-11 to be connected, the connecting rod pivot pin 1-11 other end is flexibly connected with connecting rod 1-12, and centre plus rolling bearing guarantee connecting rod 1-
12 relatively rotate around connecting rod pivot pin 1-11, and the connecting rod 1-12 other end and mobile platform 2-1 are hinged, the axis of turntable 1-10
The horizontal central plane of line and mobile platform 2-1 in the same plane, guarantee that crank link mechanism is to core type, so that mobile platform
2-1 remains a constant speed movement；The crank link mechanism makes the rotary motion of turntable 1-10 be converted into the straight line of mobile platform 2-1
Translational motion, the direction of linear motion is acted on by the positioning and guiding of limiting device 4 to be guaranteed；The mobile platform power drive dress
The longitudinally mounted position for setting 1 guarantees that the end of link motion to top dead centre Shi Buyu parallel-moving type gauge changing device 2 interferes.
Refering to fig. 4 to fig. 6, the parallel-moving type gauge changing device 2 includes mobile platform 2-1, gauge changing guided way 2-
2, locking corollary apparatus 2-3 is unlocked；The mobile platform 2-1 is welded by the square tube and rectangular tube of standard specification to realize
Lightweight, the end mobile platform 2-1 and connecting rod 1-12 are hinged；Paving of the gauge changing guided way 2-2 on mobile platform 2-1
If mode is divided into gauge A guide section 2-4 and gauge B guide section 2-5, two gauge changing guided way 2-2 references according to gauge difference
" eight " shape or anti-" eight " shape arrangement is presented in center line, and gauge A and gauge B can be according to the test needs of gauge-changeable bogie
It is adjusted, gauge changing guided way 2-2 is bolted on mobile platform 2-1, and the variation of gauge drives two sides wheel phase
Wheel shaft is moved in or out simultaneously, realizes the conversion of wheelspan；The unlock locking corollary apparatus 2-3 includes support frame
2-3-1, unlock locking rail 2-3-2 and connecting plate 2-3-3, unlock locking rail 2-3-2 are welded on support frame 2-3-1, installation position
Trundle on gauge-changeable wheelsets locking device in-orbit interior traveling just should be able to be guaranteed by setting, reciprocal with mobile platform 2-1
The retaining mechanism of movement, gauge-changeable wheelsets completes unlock according to the stroke variation of unlock locking rail 2-3-2 and locking acts, every row
It is welded as a whole between support frame 2-3-1 by connecting plate 2-3-3 and improves bearing capacity, every row's support frame 2-3-1 is by rule
Set a distance is symmetrically welded at the upper surface mobile platform 2-1 two sides.
Refering to Fig. 7, the carrying rail 3 includes carrier roller 3-1 and mounting base 3-2, and carrier roller 3-1 is assemblied in
On mounting base 3-2 side wall, carrier roller 3-1 and mounting base 3-2 stay bottom it is at regular intervals, guarantee carrier roller 3-1 freely turn
It is dynamic；When work, the bottom surface mobile platform 2-1 contacts with the surface carrier roller 3-1 and does alternating translational movement；It is symmetrical to carry rail 3
Be mounted on mobile platform 2-1 down either side, length guarantee mobile platform 2-1 in a reciprocating stroke always with carrying
The contact of the surface roller 3-1.
Refering to Fig. 8 and Fig. 9, the limiting device 4 includes lateral centering positioning rail 4-1, vertical limiting device 4-2 and auxiliary
Help support post 4-3；The lateral alignment positioning device 4-1 includes roller 4-1-1 and lateral support 4-1-2, lateral support
4-1-2 is screwed on the inside of the column 5-1 and Auxiliary support column 4-3 of planer-type suspension apparatus 5；Lateral centering positioning rail
The surface roller 4-1-1 of 4-1 is contacted with the side of mobile platform 2-1, lateral displacement when limitation mobile platform 2-1 is vertically moved
And not clamping stagnation, so that 2 centering always of parallel-moving type gauge changing device is done straight reciprocating motion along centerline direction；The vertical limit
Position device 4-2 includes vertical position-limited rail 4-2-1 and support connection device 4-2-2, vertical position-limited rail 4-2-1 include support rollers 4-
2-1-1 and pedestal 4-2-1-2, pedestal 4-2-1-2 weld together with support connection device 4-2-2, support connection device 4-2-2
It is fixed by screws on the inside of the column 5-1 and Auxiliary support column 4-3 of planer-type suspension apparatus 5, realizes to vertical position-limited rail
The fixed support of 4-2-1；The upper surface on the surface vertical position-limited rail 4-2-1 and mobile platform 2-1 contacts, and limits mobile flat
Vertical deviation of the platform 2-1 in longitudinal movement and not clamping stagnation hold the lower surface mobile platform 2-1 with carrying rail 3 always
It carries roller 3-1 contact and does straight reciprocating motion；The lateral wall of the pedestal 4-2-1-2 of the vertical position-limited rail 4-2-1 opens 1~
2mm groove guarantees the relative position with lateral centering positioning rail 4-1；Four Auxiliary support column 4-3 are along carrying traveling
It is uniformly installed on the outside of rail 3, at medial surface and gantry upright post medial surface in the same plane, the lateral centering positioning rail 4-
1 and vertical limiting device 4-2 is symmetrically mounted on the two sides mobile platform 2-1, and length and carrying rail 3 are consistent；The carrying
The end face outside of the carrier roller 3-1 of rail 3 and the support rollers 4-2-1-1 end face outside of vertical position-limited rail 4-2-1 are in
It is same to stand in face, guarantee the horizontal rectilinear motion of mobile platform 2-1.
0 and Figure 11 refering to fig. 1, the planer-type suspension apparatus 5, including column 5-1, support platform 5-2, hanging beam 5-
3, hanging ring 5-4 and T-slot connecting plate 5-5；The planer-type suspension apparatus 5 across mobile platform 2-1, cross central line with
The cross central line of carrying rail 3 and limiting device 4 is in the same plane；The hanging ring 5-4 is fixed by screws in T shape
On slot connecting plate 5-5, T-slot connecting plate 5-5 is welded on hanging beam 5-3, and distance is adjustable to meet not between two hanging ring 5-4
With the requirement of structure bogie, depending on two hanging ring 5-4 center hole sizes are according to the variation of the gauge-changeable wheelsets diameter of axle, main function
It is the position of suspension and fixed variable rail gauge wheel pair, wheel is made to complete unlock locking and gauge switching motion to hanging unloading.
A kind of Dynamical Analyses of New Gauge-Changeable bogie becomes rail function and reliability test bench, for detecting gauge-changeable bogie
It can realize and become rail function, and by the reliability test for becoming rail movement and carrying out bogie gauge changing mechanism of circulation, and
Gauge unlocks the fatigue life test etc. of lockable mechanism, and method mainly comprises the steps that
Step 1: the planer-type suspension apparatus hangs and fixes wheel to position, makes wheel to hanging unloading；
Step 2: the mobile platform power drive unit driving parallel-moving type gauge changing device is past along carrying rail
Multiple movement, the direction of motion is acted on by the positioning and guiding of limiting device to be guaranteed；
Step 3: gauge unlock-lockable mechanism of gauge-changeable bogie is become according to the stroke of unlock locking rail
The gauge unlock of gauge bogie and locking and become rail movement, two sides wheel drives in the guiding of gauge changing guided way when gauge changing
It is moved in or out simultaneously under dynamic relative to wheel shaft, realizes the conversion of wheelspan, circulation is realized by the reciprocating motion of platform
Unlock, locking and change rail movement, carry out the reliability test of gauge changing.
Claims (3)
1. a kind of Dynamical Analyses of New Gauge-Changeable bogie becomes rail function and reliability test bench, it is characterised in that a kind of novel change rail
Become rail function and reliability test bench away from bogie, mainly includes mobile platform power drive unit (1), parallel-moving type gauge changing
Device (2), carrying rail (3), limiting device (4), planer-type suspension apparatus (5)；The mobile platform power drive dress
It sets (1) to be fixedly mounted on the ground, passes through motor-crank rod movement pair driving parallel-moving type gauge changing device (2) longitudinal direction
Mobile, parallel-moving type gauge changing device (2) is unlocked and locks to gauge-changeable wheelsets, and becomes rail to along the axial of wheel shaft for wheel
Laterally steering effect is provided away from movement；The carrying rail (3) is symmetrically mounted on the two of parallel-moving type gauge changing device (2)
Side-lower provides carrying and longitudinally guiding effect for it；The limiting device (4) is symmetrically mounted on parallel-moving type gauge changing dress
The two sides for setting (2) carry out lateral centering positioning and vertical limit to its straight reciprocating motion；The planer-type suspension apparatus
(5) wheel of fixed bogie is to position and to wheel to unloading；
The mobile platform power drive unit (1) include: motor (1-1), No.1 shaft coupling (1-2), retarder (1-3),
No. two shaft couplings (1-4), transmission shaft (1-5), No.1 bearing (1-6), No.1 bearing block (1-7), No. two bearings (1-8), No. two
Bearing block (1-9), turntable (1-10), connecting rod pivot pin (1-11), connecting rod (1-12)；The motor (1-1), retarder (1-3),
No.1 bearing block (1-7) and No. two bearing blocks (1-9) are fixed on the ground by foundation bolt respectively；The motor (1-1)
Output shaft be connected by No.1 shaft coupling (1-2) with the input shaft of retarder (1-3), the retarder (1-3) it is defeated
Shaft is connected by No. two shaft couplings (1-4) with transmission shaft (1-5), and the transmission shaft (1-5) passes through No.1 bearing respectively
(1-6) and No. two bearings (1-8) are supported on No.1 bearing block (1-7) and No. two bearing blocks (1-9)；Transmission shaft (the 1-
5) it is connected by key with turntable (1-10)；The effect of motor (1-1) is to pass to power after retarder (1-3) reduction of speed torque increase
Transmission shaft (1-5), so that turntable (1-10) be driven to rotate；The turntable (1-10) and connecting rod pivot pin one end (1-11) is connected,
Connecting rod pivot pin (1-11) other end is flexibly connected with connecting rod (1-12), and centre plus rolling bearing guarantee connecting rod (1-12) around pitman shaft
(1-11) is sold to relatively rotate, the connecting rod (1-12) other end and mobile platform (2-1) hingedly, the central axes of turntable (1-10)
In the same plane with the horizontal central plane of mobile platform (2-1), guarantee that crank link mechanism is to core type, so that mobile platform
(2-1) remains a constant speed movement；The crank link mechanism makes the rotary motion of turntable (1-10) be converted into mobile platform (2-1)
Linear translational motion, the direction of linear motion is acted on by the positioning and guiding of limiting device (4) to be guaranteed；The mobile platform is dynamic
The longitudinally mounted position of force driving device (1) guarantees link motion to top dead centre Shi Buyu parallel-moving type gauge changing device (2)
End interferes.
2. a kind of Dynamical Analyses of New Gauge-Changeable bogie according to claim 1 becomes rail function and reliability test bench, feature exist
In the parallel-moving type gauge changing device (2) include mobile platform (2-1), gauge changing guided way (2-2), unlock locking it is mating
Device (2-3)；The mobile platform (2-1) is welded by the square tube and rectangular tube of standard specification to realize lightweight, is moved
The moving platform end (2-1) and connecting rod (1-12) are hinged；Paving of the gauge changing guided way (2-2) on mobile platform (2-1)
If mode is divided into gauge A guide section (2-4) and gauge B guide section (2-5), two gauge changing guided way (2- according to gauge difference
2) " eight " shape or anti-" eight " shape arrangement is presented referring to center line, gauge A and gauge B can be according to the surveys of gauge-changeable bogie
Examination needs to be adjusted, and gauge changing guided way (2-2) is bolted on mobile platform (2-1), and the variation of gauge drives
Two sides wheel moves in or out simultaneously relative to wheel shaft, realizes the conversion of wheelspan；The unlock locking corollary apparatus (2-
It 3) include support frame (2-3-1), unlock locking rail (2-3-2) and connecting plate (2-3-3), unlock locking rail (2-3-2) is welded on
On support frame (2-3-1), installation site should be able to guarantee the in-orbit interior traveling just of the trundle on gauge-changeable wheelsets locking device,
With the reciprocating motion of mobile platform (2-1), the retaining mechanism of gauge-changeable wheelsets becomes according to the stroke of unlock locking rail (2-3-2)
Change and complete unlock and locking movement, is welded as a whole raising between every row's support frame (2-3-1) by connecting plate (2-3-3)
Bearing capacity, every row's support frame (2-3-1) are symmetrically welded at the upper surface two sides mobile platform (2-1) by predetermined distance.
3. a kind of Dynamical Analyses of New Gauge-Changeable bogie according to claim 1 becomes rail function and reliability test bench, feature exist
The longitudinal movement of parallel-moving type gauge changing device (2) is held jointly in the carrying rail (3) and limiting device (4)
Carry guiding and centering limit；Planer-type suspension apparatus (5) suspension and fixed variable rail gauge wheel make wheel to hanging position
Unloading, and the installation for carrying rail (3) and limiting device (4) is played a supporting role；Carrying rail (3) packet
Carrier roller (3-1) and mounting base (3-2) are included, carrier roller (3-1) is assemblied on mounting base (3-2) side wall, carrier roller (3-
1) stayed with the bottom mounting base (3-2) it is at regular intervals, guarantee carrier roller (3-1) be freely rotated；When work, mobile platform (2-
1) bottom surface contacts with the surface carrier roller (3-1) and does alternating translational movement；Carrying rail (3) is symmetrically mounted on mobile platform
(2-1) down either side, length guarantee mobile platform (2-1) in a reciprocating stroke always with carrier roller (3-1)
Surface contact；The limiting device (4) includes lateral centering positioning rail (4-1), vertical limiting device (4-2) and Auxiliary support
Column (4-3)；The lateral alignment positioning device (4-1) includes roller (4-1-1) and lateral support (4-1-2), lateral branch
Support (4-1-2) is screwed on the inside of the column (5-1) and Auxiliary support column (4-3) of planer-type suspension apparatus (5)；Laterally
The roller surface (4-1-1) of centering positioning rail (4-1) is contacted with the side of mobile platform (2-1), and limitation mobile platform (2-1) is vertical
To it is mobile when lateral displacement and not clamping stagnation, so that parallel-moving type gauge changing device (2) centering always is done straight line along centerline direction
It moves back and forth；The vertical limiting device (4-2) includes vertical position-limited rail (4-2-1) and support connection device (4-2-2), is hung down
It include support rollers (4-2-1-1) and pedestal (4-2-1-2) to position-limited rail (4-2-1), pedestal (4-2-1-2) and support connection fill
It sets (4-2-2) to weld together, support connection device (4-2-2) is fixed by screws in the column of planer-type suspension apparatus (5)
On the inside of (5-1) and Auxiliary support column (4-3), realizes and the fixed of vertical position-limited rail (4-2-1) is supported；The vertical limit
The rail surface (4-2-1) and the contact of the upper surface of mobile platform (2-1), limitation mobile platform (2-1) are vertical in longitudinal movement
Displacement and not clamping stagnation contact the lower surface mobile platform (2-1) with the carrier roller (3-1) of carrying rail (3) always and do directly
Line moves back and forth；The lateral wall of the pedestal (4-2-1-2) of the vertical position-limited rail (4-2-1) opens 1~2mm groove, guarantee with
The relative position of lateral centering positioning rail (4-1)；Four Auxiliary support columns (4-3) are on the outside of carrying rail (3)
Uniformly distributed installation, at medial surface and gantry upright post medial surface in the same plane, the lateral centering positioning rail (4-1) and vertical
The two sides mobile platform (2-1) are symmetrically mounted on to limiting device (4-2), length and carrying rail (3) are consistent；The carrying
On the outside of the end face outside of the carrier roller (3-1) of rail (3) and the support rollers (4-2-1-1) of vertical position-limited rail (4-2-1)
Endface stands in face same, guarantees the horizontal rectilinear motion of mobile platform (2-1)；The planer-type suspension apparatus (5),
Including column (5-1), support platform (5-2), hanging beam (5-3), hanging ring (5-4) and T-slot connecting plate (5-5)；The dragon
Gate-type suspension apparatus (5) is across mobile platform (2-1), the cross of cross central line and carrying rail (3) and limiting device (4)
In the same plane to center line；The hanging ring (5-4) is fixed by screws on T-slot connecting plate (5-5), and T-slot connects
Fishplate bar (5-5) is welded on hanging beam (5-3), and distance is adjustable to meet different structure bogie between two hanging rings (5-4)
It is required that main function is suspension and fixes depending on two hanging ring (5-4) center hole sizes are according to the variation of the gauge-changeable wheelsets diameter of axle
The position of variable rail gauge wheel pair makes wheel complete unlock locking and gauge switching motion to hanging unloading.
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|---|---|---|---|
| CN201910711403.XA CN110274779B (en) | 2019-08-02 | 2019-08-02 | Novel track-changing bogie track-changing function and reliability test stand |
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| CN111707483A (en) * | 2020-05-08 | 2020-09-25 | 中车青岛四方机车车辆股份有限公司 | Bogie track pitch changing test bed and bogie track pitch changing test system |
| CN111721553A (en) * | 2020-05-08 | 2020-09-29 | 中车青岛四方机车车辆股份有限公司 | Bogie track-changing distance test control system, control method and test bench |
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