CN109883736A - A kind of novel axle fatigue test board - Google Patents
A kind of novel axle fatigue test board Download PDFInfo
- Publication number
- CN109883736A CN109883736A CN201910235425.3A CN201910235425A CN109883736A CN 109883736 A CN109883736 A CN 109883736A CN 201910235425 A CN201910235425 A CN 201910235425A CN 109883736 A CN109883736 A CN 109883736A
- Authority
- CN
- China
- Prior art keywords
- wheel
- pedestal
- axle
- actuator
- rail
- 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.)
- Pending
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of novel axle fatigue test board, is related to rail vehicles the field of test technology.Including pedestal, pedestal, rail wheel, experiment wheel to fixator, the first actuator and the second actuator.Rail wheel is set to pedestal, and experiment wheel is set up in pedestal to fixator and for installing measured wheel pair.First actuator is arranged along the vertical direction, is used for measured wheel to application vertical load.Pedestal is slidingly disposed at pedestal, and the slidably direction of pedestal is arranged along the axial of shaft of rail wheel.Also along the axial direction setting of the shaft of rail wheel, the first actuator is connected between pedestal and pedestal second actuator, is used for measured wheel to application transverse load.It greatly improves the accuracy of load transmission, it can more accurately reflect that true load effect, the result of testing fatigue are more accurate and reliable.
Description
Technical field
The present invention relates to rail vehicles the field of test technology, try in particular to a kind of novel axle fatigue
Test platform.
Background technique
Present inventor studies discovery: existing axle fatigue test board constrains rotatably mounted in measurement process
Degree does not have the effect of reflection real load so that the transmitting of load is not inconsistent with actual conditions.
In view of this, special propose the application.
Summary of the invention
The purpose of the present invention is to provide a kind of novel axle fatigue test boards, and it greatly improves the standards of load transmission
True property can more accurately reflect that true load effect, the result of testing fatigue are more accurate and reliable.
The embodiment of the present invention is achieved in that
A kind of novel axle fatigue test board comprising: pedestal, pedestal, rail wheel, experiment wheel are to fixator, first
Actuator and the second actuator.Rail wheel is rotatably arranged in pedestal and is driven by driver, and rail wheel has for carrying quilt
Measuring wheel to and for measured wheel to the auxiliary section matched.Experiment wheel is set up in pedestal to fixator and has for installing quilt
The mounting portion of measuring wheel pair.First actuator is arranged along the vertical direction and is set to experiment wheel to fixator top, to be used for peace
Loaded on experiment wheel to the measured wheel of fixator to application vertical load.Pedestal is slidingly disposed at pedestal, the slidably side of pedestal
Axial direction setting to the shaft along rail wheel.Also along the axial direction setting of the shaft of rail wheel, the second actuator connects second actuator
It is connected between pedestal and pedestal, for being installed on experiment wheel to the measured wheel of fixator to applying transverse load.
Further, auxiliary section includes the first flange and the second flange, and the first flange and the second flange are along rail wheel
The circumferentially continuous setting of wheel face is annular in shape.Along the axial direction of rail wheel, the first flange and the setting of the second flange interval.Wherein, first
The profile of flange is identical with the profile of rail of railway.
Further, the wheel face of the first flange, the second flange and rail wheel surrounds U-type groove, and the groove width of U type groove is greater than quilt
The thickness of the wheel rim of measuring wheel pair.
Further, it is sequentially connected between the power output portion and rail wheel of driver by first shaft coupling, the first shaft coupling
Device is nose balance formula shaft coupling.
Further, mounting portion includes pivoted arm and the axle box for installing measured wheel pair.One end of pivoted arm is fixed with axle box
Connection, the other end are articulated with experiment wheel to the positioning seat for being set up in pedestal of fixator.The same axle box of the loading end of first actuator
Connection.
Further, sleeve and elastic component are additionally provided between the first actuator and axle box, sleeve is the same as the first actuator
In loading end and axle box any one connect, elastic component be placed in sleeve and be connected to the first actuator loading end and axle box it
Between.
Further, the shaft of rail wheel includes driving shaft and driven shaft, and driving shaft and driven shaft are combined with rail wheel,
It is sequentially connected between driving shaft and driven shaft by spline coupling.Driving shaft is installed on pedestal by the first axle bed, and driven shaft is by
Two axle beds are installed on pedestal.Along the axial direction of rail wheel, the first axle bed and/or the second axle bed have multiple installation points, and first makees
Dynamic device and experiment wheel also all have multiple installation points to fixator.
Further, pedestal is equipped with the axially extending sliding rail along rail wheel, and the first axle bed and the second axle bed are slidably
Ground is matched with sliding rail.First axle bed and the second axle bed are removably attachable to sliding rail by clamping element.
Further, sliding rail is to be recessed the T-slot formed by the upper surface of pedestal, clamping element include the screw rod matched and
Nut.Nut is placed in T-slot, and screw rod passes through the first axle bed or the mounting hole of the second axle bed cooperates with nut.
Further, pony sill is equipped with column, and column is connected with first crossbeam and second cross beam.Along the length of first crossbeam
Direction, the first actuator have multiple installation points.Along the length direction of second cross beam, experiment wheel has multiple peaces to fixator
Decorate position.
The beneficial effect of the embodiment of the present invention is:
Novel axle fatigue test board provided in an embodiment of the present invention is during carrying out fatigue test, by measured wheel
To experiment wheel is installed on to fixator, cooperate the wheel face of measured wheel pair with the wheel face of rail wheel, and keeps measured wheel to being located at
The surface of rail wheel, to guarantee measured wheel to vertical load can be accurately received.Using driver drives rail wheel, i.e.,
Measured wheel can be made to rotating indirectly, to start to test.During the test, using the first actuator to measured wheel to applying
Add vertical load, it, can be by measured wheel in actual moving process using the second actuator to measured wheel to transverse load is applied
In suffered load with high fidelity demonstrate and comes out, thus the truly practical fatigue data of reaction measured wheel pair.
Wherein, along the axial direction of the shaft of rail wheel, pedestal is slidably engaged in pedestal, this makes rail wheel and measured wheel
There is certain allowing property between, thus while applying lateral load, be more truly reflected out wheel and rail it
Between movement relation so that fatigue test condition is closer to practical operation situation.In general, the embodiment of the present invention mentions
The novel axle fatigue test board supplied substantially increases the accuracy of load transmission, can more accurately reflect true load
The result of lotus effect, testing fatigue is more accurate and reliable.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of axle fatigue test board provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram at the second visual angle of axle fatigue test board in Fig. 1；
After Fig. 3 removes stringer, first crossbeam, part second cross beam and part column for axle fatigue test board in Fig. 1
Structural schematic diagram；
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 2；
Fig. 5 is the cooperation schematic diagram in Fig. 1 between the rail wheel and measured wheel pair of axle fatigue test board；
Fig. 6 is the enlarged drawing of B area in Fig. 3；
Fig. 7 is the scheme of installation of the rail wheel of axle fatigue test board in Fig. 1.
Icon: axle fatigue test board 1000；Pedestal 100；Column 110；Stringer 120；First crossbeam 130；Second cross beam
140；Driver 150；Gear-box 151；First shaft coupling 152；Second shaft coupling 153；Bar shaped rail 160；Extend rail 170；Laterally
Load seat 180；Pedestal 200；Rail wheel 210；First flange 211；Second flange 212；U-type groove 213；Driving shaft 214；Driven shaft
215；Spline coupling 216；First axle bed 220；Second axle bed 230；Sliding rail 240；Experiment wheel is to fixator 300；Pivoted arm 310；
Axle box 320；Positioning seat 330；Sleeve 340；Elastic component 350；First actuator 400；Second actuator 500；Measured wheel is to 600；
Wheel rim 610.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment
Fig. 1~2 are please referred to, the present embodiment provides a kind of novel axle fatigue test boards 1000.Axle fatigue test board
1000 include: pedestal 100, pedestal 200, rail wheel 210, experiment wheel to fixator 300, the first actuator 400 and the second actuation
Device 500.
Rail wheel 210 is rotatably arranged in pedestal 200 and is driven by driver 150, and the wheel face of rail wheel 210, which has, to be used
In carrying measured wheel to 600 and the auxiliary section for being matched with measured wheel to 600.Experiment wheel is set up in bottom to fixator 300
100 top of seat simultaneously has for installing measured wheel to 600 mounting portion.
First actuator 400 is arranged along the vertical direction and is set to experiment wheel to 300 top of fixator, to be used for peace
Apply vertical load to 600 loaded on measured wheel of the experiment wheel to fixator 300.
Pedestal 200 is slidingly disposed at pedestal 100, the axial direction of the slidably direction of pedestal 200 along the shaft of rail wheel 210
Setting.For second actuator 500 also along the axial direction setting of the shaft of rail wheel 210, the second actuator 500 is connected to 100 He of pedestal
Between pedestal 200, the loading end of the second actuator 500 is connected with pedestal 200, the same pedestal in bearing end of the second actuator 500
100 connections, to apply lateral carry to 600 to the measured wheel of fixator 300 to experiment wheel is installed on using the second actuator 500
Lotus.
During carrying out fatigue test, measured wheel is installed on experiment wheel to fixator 300 to 600, makes measured wheel
To the surface that 600 wheel face cooperates with the wheel face of rail wheel 210, and measured wheel is kept to be located at rail wheel 210 to 600, thus
Guarantee that measured wheel can be accurately received vertical load to 600.Using driver 150 drive rail wheel 210, can make indirectly by
Measuring wheel is rotated to 600, to start to test.During the test, measured wheel is applied to 600 using the first actuator 400
Add vertical load, using the second actuator 500 to measured wheel to 600 apply transverse loads, can by measured wheel to 600 in reality
Suffered load, which is with high fidelity demonstrated, in operational process comes out, to truly react measured wheel to 600 practical tired number
According to.
Wherein, along the axial direction of the shaft of rail wheel 210, pedestal 200 is slidably engaged in pedestal 100, this makes track
Wheel 210 and measured wheel are to having certain allowing property between 600, to more be truly reflected while applying lateral load
The movement relation between wheel and rail is gone out, so that fatigue test condition is closer to practical operation situation.It is overall and
Speech, novel axle fatigue test board 1000 substantially increase the accuracy of load transmission, can more accurately reflect true
Load effect, the result of testing fatigue is more accurate and reliable.
In the present embodiment, pedestal 100 and pedestal 200 are in tabular, pedestal 100 be provided with column 110, stringer 120,
First crossbeam 130 and second cross beam 140.Specifically, column 110 is four, stringer 120 is two, and first crossbeam 130 is one
Root, and second cross beam 140 is two.Four columns 110 are divided into the quadrangle of pedestal 100, and stringer 120 is set to the top of column 110
End, two intervals of stringer 120 are arranged and are connected between two root posts 110.First crossbeam 130 be connected to two stringers 120 it
Between, and two second cross beams 140 are then divided into two sides and are respectively connected between two root posts 110, second cross beam 140 is located at vertical
Between beam 120 and pedestal 100.The bearing end of first actuator 400 is connected to first crossbeam 130, and loading end extends downwardly simultaneously
Measured wheel is acted on to 600.Experiment wheel is then connected to a wherein second cross beam 140 to fixator 300, and experiment wheel is to fixator
The horizontally extending top to rail wheel 210 of 300 mounting portion.
In conjunction with Fig. 3, driver 150 is driving motor and is set to pedestal 100, and the driving force of driving motor passes through gear-box
151 are transferred to rail wheel 210.Wherein, the power output shaft of gear-box 151 is passed between rail wheel 210 by first shaft coupling 152
Dynamic connection, and passed between the power input shaft of gear-box 151 and the power output shaft of driver 150 by second shaft coupling 153
Dynamic connection.First shaft coupling 152 is nose balance formula shaft coupling, can be dropped using the nose balance function of first shaft coupling 152
Influence of low second actuator 500 during applying transverse load to the power transmitting of driver 150, and be more advantageous to
Second actuator 500 applies transverse load, improves the application effect of transverse load.It should be noted that first shaft coupling 152
If have the function of nose balance, such as: spline shaft coupling, crown gear coupling etc., however, it is not limited to this.
In conjunction with Fig. 4, along the axial direction of the shaft of rail wheel 210, pedestal 100 is provided with bar shaped rail 160, and pedestal 200 then may be used
Slidably it is matched with bar shaped rail 160.Pedestal 100 also has the axially extending extension rail come out of the shaft along rail wheel 210
170, extend rail 170 and be fitted with laterally load seat 180, the bearing end of the second actuator 500 is connected to laterally load seat
180, the loading end of the second actuator 500 is connected to pedestal 200.Second actuator 500 is indirectly real by loading to pedestal 200
Now rail wheel 210 and measured wheel are loaded to 600.
Further, referring to Fig. 5, the auxiliary section of rail wheel 210 includes the first flange 211 and the second flange 212, the
One flange 211 and the second flange 212 are along the circumferentially continuous setting structure annular in shape of the wheel face of rail wheel 210.Along rail wheel 210
Axial direction, the first flange 211 and the second flange 212 interval setting.Wherein, exterior feature of the profile of the first flange 211 with rail of railway
Shape is identical.During the test, measured wheel directly cooperates 600 wheel face with the first flange 211, and measured wheel is to 600 wheel
Edge 610 is then in the gap between the first flange 211 and the second flange 212.By the design, rail wheel 210 utilizes first
Flange 211 reduces measured wheel to 600 operating condition on rail, while preventing from testing using the second flange 212
It derails in journey, improves the stability and reliability of test process, avoid test accidental interruption and make data distortion.
600 operating condition and the matching degree of actual conditions are being set in order to further increase measured wheel in test process
When setting the first flange 211 and the second flange 212, make the wheel face three of the first flange 211, the second flange 212 and rail wheel 210
Surround a U-type groove 213, and the groove width of U-type groove 213 be greater than measured wheel to 600 wheel rim 610 thickness.U-type groove 213 is not only
Displacement space is provided to 600 lateral displacement for measured wheel, while smooth 213 cell wall of U type groove further reduces
Interference of the two flanges 212 to measured wheel to 600, further improves the accuracy of test.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 6, in the present embodiment, experiment wheel includes pivoted arm 310 to the mounting portion of fixator 300
With for installing measured wheel to 600 axle box 320, mounting portion is connected to positioning seat 330.One end of pivoted arm 310 is solid with axle box 320
Fixed connection, the other end is articulated with positioning seat 330, and positioning seat 330 is then connected to second cross beam 140.First actuator 400
Loading end is connected with axle box 320.Measured wheel is installed on experiment wheel to fixator 300, the first actuator 400 by axle box 320 to 600
By applying vertical load to axle box 320, thus indirectly to rail wheel 210 and measured wheel to applying vertical load between 600.It is logical
The design is crossed, pivoted arm 310 makes the transmitting of vertical load more smooth, reduces the loss of vertical load.
In order to further enhance the transmission effect of vertical load, it is additionally provided between the first actuator 400 and axle box 320
Sleeve 340 and elastic component 350, sleeve 340 can be connected with any one in the loading end and axle box 320 of the first actuator 400,
In the present embodiment, sleeve 340 is connected to the loading end of the first actuator 400, and elastic component 350 is column type spring, sleeve 340
Internal diameter be slightly larger than the outer diameter of elastic component 350, and elastic component 350 is placed in sleeve 340 and is connected to the first actuator 400
Between loading end and axle box 320.Elastic component 350 makes have certain allowing property of radial direction during vertical load transmits, with
It avoids radial rigidity excessive and leads to the stress for occurring additional, to reduce the influence to vertical load transmission effect.And sleeve
340 also increase effectively the radial rigidity of elastic component 350, avoid the radial rigidity of elastic component 350 too small and influence vertical load
Transmitting.
In recent years, China exchanges increasingly close with the trade of surrounding countries, has pushed directly on the development of transnational through transport technology.
Railway transportation is big with freight volume, safely, quickly and the small advantage of environmental pollution, becomes means of transport preferred in international combined transport.
Currently, various countries' gauge respectively has the similarities and differences in world wide.China and European Countries are standard gauge, Mongolia, Russia, white
Russia is the broad gauge of 1520mm, and Southeast Asian countries are the narrow gauges of 1000mm, and India, Bangladesh and Pakistan use
The broad gauge of 1676mm.The difference of various countries' gauge seriously hinders the development of transnational through transport, and gauge-changeable bogie relies on its efficiency
The features such as high, at low cost, is as the prefered method to solve the above problems.
Please refer to Fig. 1 and Fig. 7, in order to adapt to variable rail gauge axle testing fatigue, the shaft packet of rail wheel 210
Include driving shaft 214 and driven shaft 215, driving shaft 214 and driven shaft 215 are combined with rail wheel 210, driving shaft 214 and driven
It is sequentially connected between axis 215 by spline coupling 216.Driving shaft 214 is installed on pedestal 200, driven shaft by the first axle bed 220
215 are installed on pedestal 200 by the second axle bed 230.In the present embodiment, the rail of rail wheel 210 is realized using spline coupling 216
It is 600mm~1676mm away from adjustable range, to meet more fully testing requirement.
Pedestal 200 is equipped with the axially extending sliding rail 240 along rail wheel 210, and the first axle bed 220 and the second axle bed 230 are
It slidably engages in sliding rail 240.First axle bed 220 and the second axle bed 230 by clamping element (not shown) removably
It is connected to sliding rail 240.Wherein, sliding rail 240 is the T-slot formed that is recessed by the upper surface of pedestal 200, and clamping element includes matching
Screw rod and nut.Nut is placed in T-slot, and screw rod passes through the first axle bed 220 or the mounting hole of the second axle bed 230 is matched with nut
It closes.By screwing screw rod, nut can be connected to the top of T-slot, and the nut of screw rod can be pressed on 220 He of the first axle bed
The surface of second axle bed 230 makes the first axle bed 220 and the second axis so that the first axle bed 220 and the second axle bed 230 be clamped
Seat 230 is fitted close with pedestal 200, realizes the fixation to the first axle bed 220 and the second axle bed 230.When needing to adjust first
When the distance between axle bed 220 and the second axle bed 230, screw rod is unscrewed.
It, can be by adjusting first axle when needing the axle to variable rail gauge to carry out testing fatigue by designing above
The measured wheel of the distance between seat 220 and the second axle bed 230 to adapt to different gauges is adjusted very convenient to 600.In addition, by
It is to match to realize using clamping element and T-slot in the fixation to the first axle bed 220 and the second axle bed 230, this makes
The distance between one axle bed 220 and the second axle bed 230 may be implemented to continuously adjust, and more meet variable rail gauge axle testing fatigue
Demand.
In order to be adapted with rail wheel 210, along the length direction of first crossbeam 130, the bearing end of the first actuator 400
It slidably engages in first crossbeam 130, along the length direction of second cross beam 140, positioning seat of the experiment wheel to fixator 300
330 are also slidably matched with second cross beam 140, to make the first actuator 400 and experiment wheel can basis to fixator 300
The gauge variation of rail wheel 210, which is made, to be adaptively adjusted.In order to further increase the first actuator 400 and experiment wheel to fixation
The stability of device 300, respectively the first actuator 400 and experiment wheel are configured to the locking piece being fixed to fixator 300,
So as to be fixed afterwards in place adjusting.Locking piece can be screw rod (matching nut), mechanical folder, screw body (can be real simultaneously
Existing position adjusts and positioning) etc., but not limited to this.
It should be noted that in other embodiments of the invention, it can also in the first axle bed 220 and the second axle bed 230
T-slot is matched with only one.Further, it is also possible to using the spaced multiple screw holes of the extending direction along T type groove come real
Now to the locking of the first axle bed 220 or the second axle bed 230, can be completed at this time using screw rod to the first axle bed 220 or the second axis
The locking of seat 230, and be not to the adjusting of the first axle bed 220 or the second axle bed 230 at this time it is continuous, since screw hole is in
Compartment distribution, the adjusting of the first axle bed 220 or the second axle bed 230 also become interrupted modulating, and spaced screw hole mentions
The multiple installation points being spaced apart from each other are supplied.Similarly, the first actuator 400 and experiment wheel can also use this to fixator 300
Kind adjusting method.
It should be noted that in the present embodiment, the first actuator 400 and the second actuator 500 are that double flexural pivots are hydraulic
Actuator, wherein the maximum static lotus of the first actuator 400 is 25t, the maximum static lotus of the second actuator 500 is 1.7 ×
25t。
In conclusion novel axle fatigue test board 1000 provides vertical load by the first actuator 400, and it is sharp
Transverse load is provided with the second actuator 500.Wherein, the first axle bed 220 and the adjusting of the second axle bed 230 (are adjusted to conjunction in place
Suitable wheelbase) after, the first axle bed 220 and the second axle bed 230 are all fixed on pedestal 200 using screw bolt and nut, first axle
The 220, second axle bed 230 of seat and pedestal 200 are an entirety at this time.Pedestal 200 is slidably engaged by line style rail in pedestal
100, the second actuator 500 realizes pedestal 200 (together with the first axle bed 220, the second axle bed 230 and rail by applying transverse load
This entirety of road wheel 210) whole transverse movement.
Novel axle fatigue test board 1000 substantially increases the accuracy of load transmission, can more accurately reflect
True load effect, the result of testing fatigue are more accurate and reliable.In addition, novel axle fatigue test board 1000 also can be used
In the testing fatigue of the axle of variable rail gauge, applicable surface has obtained further extension.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of novel axle fatigue test board characterized by comprising pedestal, pedestal, rail wheel, experiment wheel are to fixation
Device, the first actuator and the second actuator；
The rail wheel is rotatably arranged in the pedestal and is driven by driver, and the rail wheel has for carrying measured wheel
To and for the measured wheel to the auxiliary section matched；The experiment wheel is set up in the pedestal and has to fixator to be used
In the mounting portion for installing the measured wheel pair；
First actuator is arranged along the vertical direction and is set to experiment wheel to above fixator, for being installed on
The experiment wheel is to the measured wheel of fixator to application vertical load；
The pedestal is slidingly disposed at the pedestal, the axial direction of the slidably direction of the pedestal along the shaft of the rail wheel
Setting；For second actuator also along the axial direction setting of the shaft of the rail wheel, second actuator is connected to the bottom
Between seat and the pedestal, for being installed on the experiment wheel to the measured wheel of fixator to applying transverse load.
2. axle fatigue test board according to claim 1, which is characterized in that the auxiliary section includes the first flange and the
Two flanges, the circumferentially continuous setting of first flange and second flange along the wheel face of the rail wheel are annular in shape；Edge
The axial direction of the rail wheel, first flange and the setting of second flange interval；Wherein, the profile of first flange is same
The profile of rail of railway is identical.
3. axle fatigue test board according to claim 2, which is characterized in that first flange, second flange
U-type groove is surrounded with the wheel face of the rail wheel, the groove width of the U-type groove is greater than the thickness of the wheel rim of the measured wheel pair.
4. axle fatigue test board according to claim 1, which is characterized in that the power output portion and institute of the driver
It states and is sequentially connected between rail wheel by first shaft coupling, the first shaft coupling is nose balance formula shaft coupling.
5. axle fatigue test board according to claim 1, which is characterized in that the mounting portion includes pivoted arm and for pacifying
Fill the axle box of the measured wheel pair；One end of the pivoted arm is fixedly connected with the axle box, and the other end is articulated with the experiment wheel
To the positioning seat for being set up in the pedestal of fixator；The loading end of first actuator is connected with the axle box.
6. axle fatigue test board according to claim 5, which is characterized in that first actuator and the axle box it
Between be additionally provided with sleeve and elastic component, the sleeve connects with any one in the loading end and the axle box of first actuator
It connects, the elastic component is placed in the sleeve and is connected between the loading end and the axle box of first actuator.
7. axle fatigue test board according to claim 1, which is characterized in that the shaft of the rail wheel includes driving shaft
And driven shaft, the driving shaft and the driven shaft are combined with the rail wheel, between the driving shaft and the driven shaft
It is sequentially connected by spline coupling；The driving shaft is installed on the pedestal by the first axle bed, and the driven shaft is by the second axle bed
It is installed on the pedestal；Along the axial direction of the rail wheel, first axle bed and/or second axle bed have multiple installation points
Position, first actuator and experiment wheel also all have multiple installation points to fixator.
8. axle fatigue test board according to claim 7, which is characterized in that the pedestal is equipped with along the rail wheel
Axially extending sliding rail, first axle bed and second axle bed are slidably engaged in the sliding rail；The first axle
Seat and second axle bed are removably attachable to the sliding rail by clamping element.
9. axle fatigue test board according to claim 8, which is characterized in that the sliding rail is the upper table by the pedestal
Face is recessed the T-slot to be formed, and the clamping element includes the screw rod and nut matched；The nut is placed in the T-slot, institute
The mounting hole that screw rod is stated across first axle bed or second axle bed cooperates with the nut.
10. axle fatigue test board according to claim 7, which is characterized in that the pony sill is equipped with column, described vertical
Column is connected with first crossbeam and second cross beam；Along the length direction of the first crossbeam, first actuator has multiple peaces
Decorate position；Along the length direction of the second cross beam, the experiment wheel has multiple installation points to fixator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235425.3A CN109883736A (en) | 2019-03-26 | 2019-03-26 | A kind of novel axle fatigue test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235425.3A CN109883736A (en) | 2019-03-26 | 2019-03-26 | A kind of novel axle fatigue test board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109883736A true CN109883736A (en) | 2019-06-14 |
Family
ID=66934574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910235425.3A Pending CN109883736A (en) | 2019-03-26 | 2019-03-26 | A kind of novel axle fatigue test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109883736A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501148A (en) * | 2019-07-25 | 2019-11-26 | 中车青岛四方机车车辆股份有限公司 | The fatigue rig and fatigue test method of gauge-changeable bogie axle |
| CN110889248A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Air spring fatigue life prediction platform and prediction method thereof |
| CN111103155A (en) * | 2020-01-06 | 2020-05-05 | 大连交通大学 | Rail locomotive wheel rail bearing integration test device |
| CN111256986A (en) * | 2020-02-26 | 2020-06-09 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge bogie axle durability test method |
| CN111504670A (en) * | 2020-04-28 | 2020-08-07 | 中车青岛四方车辆研究所有限公司 | Comprehensive performance test bed for variable-gauge wheel set |
| CN112414732A (en) * | 2020-12-02 | 2021-02-26 | 吉林大学 | Cross axle box assembling body of fatigue test bed for variable-gauge wheel set |
| CN113776714A (en) * | 2021-09-10 | 2021-12-10 | 东风汽车集团股份有限公司 | Measuring system and measuring method for wheel dragging torque |
| CN115266429A (en) * | 2022-07-15 | 2022-11-01 | 哈尔滨工业大学 | Testing device for realizing corrosion environment-bending fatigue coupling effect and testing method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220835A (en) * | 2010-04-09 | 2011-11-04 | Jfe Steel Corp | Fatigue testing device |
| CN103175702A (en) * | 2011-12-20 | 2013-06-26 | 南车青岛四方机车车辆股份有限公司 | Fatigue test device and method for axle |
| CN106769118A (en) * | 2016-12-20 | 2017-05-31 | 中车唐山机车车辆有限公司 | Rail wheel, rail wheel pair and rail vehicle whole rolling rig |
| CN107014627A (en) * | 2017-05-23 | 2017-08-04 | 北京科技大学 | Wheel shaft fatigue experimental device and method |
| CN108622127A (en) * | 2018-04-13 | 2018-10-09 | 中车青岛四方机车车辆股份有限公司 | A kind of variable rail gauge wheel pair |
| CN108680371A (en) * | 2018-07-23 | 2018-10-19 | 吉林大学 | Gauge-changeable bogie wheel is to becoming rail performance and reliability test bench |
| CN109030038A (en) * | 2018-08-09 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of calibration test platform for force-measuring wheel set |
| CN209513287U (en) * | 2019-03-26 | 2019-10-18 | 成都西交智众科技有限公司 | A kind of novel axle fatigue test board |
-
2019
- 2019-03-26 CN CN201910235425.3A patent/CN109883736A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011220835A (en) * | 2010-04-09 | 2011-11-04 | Jfe Steel Corp | Fatigue testing device |
| CN103175702A (en) * | 2011-12-20 | 2013-06-26 | 南车青岛四方机车车辆股份有限公司 | Fatigue test device and method for axle |
| CN106769118A (en) * | 2016-12-20 | 2017-05-31 | 中车唐山机车车辆有限公司 | Rail wheel, rail wheel pair and rail vehicle whole rolling rig |
| CN107014627A (en) * | 2017-05-23 | 2017-08-04 | 北京科技大学 | Wheel shaft fatigue experimental device and method |
| CN108622127A (en) * | 2018-04-13 | 2018-10-09 | 中车青岛四方机车车辆股份有限公司 | A kind of variable rail gauge wheel pair |
| CN108680371A (en) * | 2018-07-23 | 2018-10-19 | 吉林大学 | Gauge-changeable bogie wheel is to becoming rail performance and reliability test bench |
| CN109030038A (en) * | 2018-08-09 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of calibration test platform for force-measuring wheel set |
| CN209513287U (en) * | 2019-03-26 | 2019-10-18 | 成都西交智众科技有限公司 | A kind of novel axle fatigue test board |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501148A (en) * | 2019-07-25 | 2019-11-26 | 中车青岛四方机车车辆股份有限公司 | The fatigue rig and fatigue test method of gauge-changeable bogie axle |
| CN110889248A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Air spring fatigue life prediction platform and prediction method thereof |
| CN110889248B (en) * | 2019-11-06 | 2024-03-26 | 江苏科技大学 | Air spring fatigue life prediction platform and prediction method thereof |
| CN111103155B (en) * | 2020-01-06 | 2022-01-18 | 山东凯美瑞轴承科技有限公司 | Rail locomotive wheel rail bearing integration test device |
| CN111103155A (en) * | 2020-01-06 | 2020-05-05 | 大连交通大学 | Rail locomotive wheel rail bearing integration test device |
| CN111256986A (en) * | 2020-02-26 | 2020-06-09 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge bogie axle durability test method |
| CN111256986B (en) * | 2020-02-26 | 2021-11-12 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge bogie axle durability test method |
| CN111504670A (en) * | 2020-04-28 | 2020-08-07 | 中车青岛四方车辆研究所有限公司 | Comprehensive performance test bed for variable-gauge wheel set |
| CN111504670B (en) * | 2020-04-28 | 2021-10-29 | 中车青岛四方车辆研究所有限公司 | Comprehensive performance test bed for variable-gauge wheel set |
| CN112414732B (en) * | 2020-12-02 | 2021-09-07 | 吉林大学 | Cross axle box assembling body of fatigue test bed for variable-gauge wheel set |
| CN112414732A (en) * | 2020-12-02 | 2021-02-26 | 吉林大学 | Cross axle box assembling body of fatigue test bed for variable-gauge wheel set |
| CN113776714A (en) * | 2021-09-10 | 2021-12-10 | 东风汽车集团股份有限公司 | Measuring system and measuring method for wheel dragging torque |
| CN115266429A (en) * | 2022-07-15 | 2022-11-01 | 哈尔滨工业大学 | Testing device for realizing corrosion environment-bending fatigue coupling effect and testing method thereof |
| CN115266429B (en) * | 2022-07-15 | 2024-05-17 | 哈尔滨工业大学 | Test device and test method for realizing corrosive environment-bending fatigue coupling effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109883736A (en) | A kind of novel axle fatigue test board | |
| CN209513287U (en) | A kind of novel axle fatigue test board | |
| CN103759885B (en) | A kind of calibration test platform for force-measuring wheel set | |
| CN210090043U (en) | Multi-degree-of-freedom loading test device for suspension part of commercial vehicle frame | |
| CN105784391B (en) | A kind of brake beam fatigue test board | |
| CN208109368U (en) | A kind of air spring rigidity characteristic test apparatus | |
| CN102507214A (en) | Endurance test device for parking brake | |
| CN103471857A (en) | Fatigue testing device of auxiliary car frame and control arm assembly | |
| CN105627960A (en) | Gauge device for torsion beam welding structure | |
| CN206919856U (en) | A kind of beam rear axle axle housing detects leveling machine | |
| CN107848004A (en) | External member for the straightening bench of vehicle chassis and vehicle body and for grappling vehicle chassis | |
| CN105667235A (en) | Two-way V-shaped thrust lever upper bracket and bracket beam assembly | |
| CN110057603A (en) | A kind of railway bogie testing stand | |
| CN107101840B (en) | Wheel is to test booster and wheel track pilot system | |
| CN103698120B (en) | A kind of rod of freight wagon test unit and method | |
| CN108414246A (en) | Vehicle bridge experimental provision and detecting system | |
| CN208953265U (en) | A kind of automobile leaf spring pilot system | |
| CN110294141B (en) | Automatic assembling and debugging method for aircraft take-off and landing system | |
| CN104990529B (en) | Railway Press Fit Device for Wheelset trailing type measurement inner side spacing mechanism | |
| CN102012258B (en) | Checking device of railway vehicle wheel load instrument | |
| CN102116719A (en) | Intensity extrusion test device and test method for automobile moving door | |
| CN107098289B (en) | A kind of lifting machine with falling proof device | |
| CN201075002Y (en) | Detecting platform for assembling cross-bracing steering frame | |
| CN110346156A (en) | A kind of novel axle fatigue test board | |
| CN209143595U (en) | A kind of crossing type lifting apparatus and the interchangeable aerial work platform of yoke |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |