CN109030038A - A kind of calibration test platform for force-measuring wheel set - Google Patents
A kind of calibration test platform for force-measuring wheel set Download PDFInfo
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- CN109030038A CN109030038A CN201810903238.3A CN201810903238A CN109030038A CN 109030038 A CN109030038 A CN 109030038A CN 201810903238 A CN201810903238 A CN 201810903238A CN 109030038 A CN109030038 A CN 109030038A
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
- G01M17/10—Suspensions, axles or wheels
Abstract
The invention discloses a kind of calibration test platform for force-measuring wheel set, including gantry frame, Plumb load test cell, longitudinal load test unit, lateral load test unit and rail；Plumb load test cell includes for applying the vertical actuator of vertical load and being set to the installation site lower section of instrumented wheelset for testing the vertical force test cell of instrumented wheelset vertical load, vertical actuator is hung on the crossbeam of gantry frame, and its underpart is for hinged with instrumented wheelset；Longitudinal load test unit includes longitudinal actuator for applying longitudinal loading, and the front end of longitudinal actuator and vertical force test cell are hinged；Lateral load test unit includes the lateral actuator for applying transverse load, and the both ends of lateral actuator are for respectively with the wheel of instrumented wheelset to offseting.The calibration test platform for force-measuring wheel set, all directions individually can load or combine load, by three-dimensional composite calibration, can satisfy the calibration of the instrumented wheelset of different load-carrying vehicles.
Description
Technical field
The present invention relates to rail vehicle technical fields, more specifically to a kind of calibration test platform for force-measuring wheel set.
Background technique
It includes that (derailment coefficients, wheel subtract stability indicator again that the test of rail traffic dynamic performance, which is related to vehicle safety,
Load rate, wheel shaft cross force, Overturning Coefficient) it tests and stationarity index test.The completion of this test is vehicle normally online fortune
The precondition of battalion, therefore the attention universal by each side.Current driving force performance test is required to carry out using instrumented wheelset
Test, the production and use of instrumented wheelset are the marks of rail traffic testing field technical strength.Instrumented wheelset production technique, mark
Determine the effect that precision directly affects dynamic test on-line testing, there is direct relation to the reliability of test data.
Calibration test platform for force-measuring wheel set is the key equipment for carrying out instrumented wheelset calibration, is to carry out wheel rail force on-line testing
Premise, domestic only part scientific research institutions at present possess the rig for testing, and because its technology is mostly derived from foreign countries, structure is excessively multiple
It is miscellaneous, it involves great expense or loading direction, load project cannot meet test requirements document, it is therefore desirable to be ground according to domestic testing standard
Hair meets the Special test equipment of test requirements document.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of calibration test platform for force-measuring wheel set, instrumented wheelset calibration examination
The structure design for testing platform can efficiently solve existing Calibrating experimental bench and be difficult to meet domestic instrumented wheelset rating test standard
Problem.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of calibration test platform for force-measuring wheel set, including gantry frame, Plumb load test cell, longitudinal load test list
Member, lateral load test unit and for guiding instrumented wheelset to enter two rail of calibration position；
The Plumb load test cell includes for applying the vertical actuator of vertical load and being set to the dynamometry
For testing the vertical force test cell of the instrumented wheelset vertical load, the vertical actuator below the installation site of wheel pair
It is hung on the crossbeam of the gantry frame, and its bottom is for hinged with the instrumented wheelset；
The longitudinal direction load test unit includes longitudinal actuator for applying longitudinal loading, the longitudinal direction actuator
Front end and the vertical force test cell are hinged；
The transverse direction load test unit includes the lateral actuator for applying transverse load, the transverse direction actuator
Both ends are for the wheel with the instrumented wheelset respectively to offseting.
Preferably, further include lateral driver device in above-mentioned calibration test platform for force-measuring wheel set, be fixed with cross on the crossbeam
To linear guide, the top of the vertical actuator is installed in the lateral linear guide, and the lateral driver device is used for
Drive the vertical actuator along the lateral linear guide transverse shifting.
It preferably, further include longitudinal linear guide in above-mentioned calibration test platform for force-measuring wheel set, the vertical force test cell
Bottom be installed in longitudinal linear guide, the longitudinal direction actuator is used for the vertical force test cell along described vertical
It is longitudinally loaded to linear guide.
It preferably, further include hanging down for adjusting the lateral load test unit in above-mentioned calibration test platform for force-measuring wheel set
To the height adjustment device of height, the transverse direction load test unit is installed on the top of the height adjustment device.
It preferably, further include four Plumb load limit saddles, four described vertical in above-mentioned calibration test platform for force-measuring wheel set
To load limit saddle for being removably fixedly installed in the wheel of the instrumented wheelset to front and rear sides respectively.
It preferably, further include two rail bottom plates being oppositely arranged, described in two in above-mentioned calibration test platform for force-measuring wheel set
Rail is fixed on along longitudinal direction respectively on the rail bottom plate, at least one described rail bottom plate is connected with gauge adjustment actuator,
For pushing the rail bottom plate mobile toward and away from another rail bottom plate.
It preferably, further include support platform in above-mentioned calibration test platform for force-measuring wheel set, the rail bottom plate is removably pacified
Loaded in the support platform, and installation site of the rail bottom plate in the support platform is adjustable.
Preferably, in above-mentioned calibration test platform for force-measuring wheel set, the support platform is cast iron platform.
Preferably, in above-mentioned calibration test platform for force-measuring wheel set, the gantry frame includes the crossbeam and removably consolidates
Surely it is connected to the column of the crossbeam two sides, and connection height of the crossbeam on the column is adjustable.
Preferably, in above-mentioned calibration test platform for force-measuring wheel set, the vertical actuator, longitudinal actuator and the cross
The pull pressure sensor for monitoring corresponding direction load is all had to actuator.
Preferably, in above-mentioned calibration test platform for force-measuring wheel set, the transverse direction actuator is transversal stretching cylinder, and the transverse direction is stretched
The both ends of contracting cylinder are separately installed with the elastic thimble for protruding from transversal stretching cylinder end face, and the elasticity thimble is in pressured state
It can compress down and be retracted within the end face of the transversal stretching bar.
Calibration test platform for force-measuring wheel set provided by the invention includes gantry frame, Plumb load test cell, longitudinal load
Test cell, lateral load test unit and two rail for carrying instrumented wheelset；Plumb load test cell includes using
It is vertical for testing instrumented wheelset below the vertical actuator for applying vertical load and the installation site for being set to instrumented wheelset
The vertical force test cell of load, vertical actuator are hung on the crossbeam of gantry frame, and its bottom is used for and instrumented wheelset
Hingedly；Longitudinal load test unit includes longitudinal actuator for applying longitudinal loading, the front end of longitudinal actuator with it is vertical
Power test cell is hinged；Lateral load test unit includes the lateral actuator for applying transverse load, lateral actuator
Both ends are for respectively with the wheel of instrumented wheelset to offseting.
Using calibration test platform for force-measuring wheel set provided by the invention, two rail can support fixed instrumented wheelset, vertical
Actuator is hung on the crossbeam of gantry frame, and to state instrumented wheelset hinged for its bottom, and then can apply to instrumented wheelset and hang down
Xiang Li.The front end of longitudinal actuator and vertical force test cell are hinged, and instrumented wheelset is installed on above vertical force test cell, into
And longitudinal actuator can apply longitudinal force to instrumented wheelset by vertical force test cell.The both ends of lateral actuator can be divided
Not with the wheel of instrumented wheelset to offseting, and then apply horizontal force to instrumented wheelset.And can individually load can also for all directions
To combine load.By three-dimensional composite calibration, locomotive, urban rail, the dynamometry of EMU complete series difference load-carrying vehicle can satisfy
Wheel is to calibration vertical, longitudinally, laterally.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of the calibration test platform for force-measuring wheel set of a specific embodiment of the invention；
Fig. 2 is the overlooking structure diagram of Fig. 1.
It is marked in attached drawing as follows:
1, support platform；2, gantry frame；3, rail bottom plate；4, Plumb load limits saddle；5, vertical actuator；6, it hangs down
To power test cell；7, longitudinal linear guide；8, lateral load test unit；9, longitudinal load test unit；10, gauge adjustment
Actuator；11, instrumented wheelset；12, lead screw driving motor；13, lead screw；14, lateral linear guide；15, height adjustment device；Figure
In X-direction be laterally, Y-direction be it is longitudinal, Z-direction is as vertical.
Specific embodiment
The embodiment of the invention discloses a kind of calibration test platform for force-measuring wheel set, to meet domestic instrumented wheelset rating test mark
It is quasi-.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 2 is please referred to, Fig. 1 is the front view structure of the calibration test platform for force-measuring wheel set of a specific embodiment of the invention
Schematic diagram；Fig. 2 is the overlooking structure diagram of Fig. 1.
In a specific embodiment, calibration test platform for force-measuring wheel set provided by the invention include gantry frame 2, it is vertical plus
Carry test cell, longitudinal load test unit 9, lateral load test unit 8 and two rail for carrying instrumented wheelset 11.
Wherein, two rail are for guiding instrumented wheelset 11 to enter calibration position, and the spacing of two rail is according to be measured
The wheel of instrumented wheelset 11 is correspondingly arranged spacing.
Plumb load test cell includes for applying the vertical actuator 5 of vertical load and being set to instrumented wheelset 11
For testing the vertical force test cell 6 of 11 vertical load of instrumented wheelset below installation site, vertical actuator 5 is hung on gantry
On the crossbeam of frame 2, and its bottom is used for, the promotion of control wheel pair and downwards load hinged with instrumented wheelset 11.Vertical actuation
Device 5 can apply vertical force to instrumented wheelset 11, can specifically use telescoping cylinder, such as the hydraulic cylinder of vertical arrangement.Vertical force
Test cell 6 is set to immediately below the wheel of instrumented wheelset 11, can accurately be obtained vertical load suffered by wheel, specifically may be used
Using the conventional power test equipment in the prior art such as force snesor.Each wheel of corresponding instrumented wheelset 11 is respectively set one
The vertical actuator 5 of group and vertical force test cell 6, to carry out Plumb load and test to each wheel respectively.
Longitudinal load test unit 9 includes longitudinal actuator for applying longitudinal loading, the front end of longitudinal actuator with
Vertical force test cell 6 is hinged.Instrumented wheelset 11 is installed on 6 top of vertical force test cell, and then longitudinal actuator can lead to
It crosses vertical force test cell 6 and applies longitudinal force to instrumented wheelset 11.Corresponding each vertical force load cell, is respectively articulated with longitudinal actuation
Device, to apply longitudinal loading respectively to each wheel.It can integrate longitudinal force test cell in longitudinal actuator, can accurately obtain
It picks up the car and takes turns suffered longitudinal loading, the concrete form of testing longitudinal unit can refer to the prior art, be not especially limited herein.
Lateral load test unit 8 includes the lateral actuator for applying transverse load, and the both ends of lateral actuator are used
In the wheel respectively with instrumented wheelset 11 to offseting, and then apply horizontal force to instrumented wheelset 11.It can be in lateral actuator
Integrated cross force test cell, can accurately obtain transverse load suffered by wheel, the concrete form of transverse test unit can
With reference to the prior art, it is not especially limited herein.By selecting suitable vertical actuator 5, longitudinal actuator and lateral actuation
Device laterally demarcates power 0-25t to meet vertical calibration power 0-25t, longitudinal to demarcate power 0-8t.
Using calibration test platform for force-measuring wheel set provided by the invention, instrumented wheelset 11 can be applied vertical force, cross force,
Longitudinal force.And all directions individually can load or combine load.By three-dimensional composite calibration, can satisfy locomotive, urban rail,
The instrumented wheelset 11 of EMU complete series difference load-carrying vehicle is vertical, calibration longitudinally, laterally.
Further, further include lateral driver device, lateral linear guide 14 is fixed on crossbeam, vertical actuator 5
Top is installed in lateral linear guide 14, and transversely linear guide 14 is horizontal for driving vertical actuator 5 for lateral driver device
To movement.Namely vertical actuator 5 passes through lateral linear guide 14 and is hung on crossbeam, the vertical actuator of lateral driver device
5 drive vertical actuator 5 transversely 14 transverse shifting of linear guide, to adjust its lateral distance, to wheel set bearing center away from not
Same instrumented wheelset 11 is able to carry out calibration, specifically can satisfy the wheel pair that gauge range is any gauge of 900mm-1676mm
Calibration.In order to enable the movement of vertical actuator 5 transversely linear guide 14 is more steady, two lateral straight lines are set side by side and lead
Rail 14, i.e. line slideway auxiliary are supported and are oriented to vertical actuator 5 jointly.Specifically lateral driver device may include
The lead screw 13 that lead screw driving motor 12 and extending direction are arranged along the horizontal, vertical actuator 5 are assemblied on lead screw 13, lead screw driving
Motor 12 drives lead screw 13 forward or reverse, so that the vertical actuator 5 cooperated with lead screw 13 transversely moves forward or back.Laterally
Driving device uses lead screw driving motor 12 and lead screw 13, convenient for accurately controlling the lateral displacement of vertical affector.Certainly, according to
Need lateral driver device can also be using other conventional driving equipments such as telescoping cylinder.
One group vertical actuator 5 and vertical force test cell 6 is respectively set in each wheel of corresponding instrumented wheelset 11
In the case of, then at least one vertical actuator 5 passes through lateral linear guide 14 and is hung on crossbeam, and lateral driver device, which drives, to hang down
To transversely 14 transverse shifting of linear guide of actuator 5.Preferably, it is laterally straight to respectively correspond setting for corresponding each vertical actuator 5
Line guide rail 14 and lateral driver device.
For the ease of accurately controlling the lateral displacement of vertical actuator 5, vertical actuator 5 has displacement sensor, passes through
Displacement sensor feeds back the actual displacement amount of vertical actuator 5, carries out feedback regulation to the transverse shifting of vertical actuator 5, has
Effect ensure that its mobile accuracy.Vertical actuator 5 can realize automatic lateral adjustments, adapt to the load of various different gauges, vehicle
It is required that.
It further, further include longitudinal linear guide 7, that is, longitudinal linear guide 7 extends longitudinally.Vertical force is surveyed
The bottom of examination unit 6 is installed in longitudinal linear guide 7, and vertical force test cell 6 has longitudinal freedom degree, longitudinal actuator
To the longitudinal load of linear guide 7 along longitudinal direction of vertical force test cell 6.Longitudinal actuator front end is tested by hingedly with vertical force single
Member 6 is connected, pushes and vertical force test cell 6 is pulled to vertically move, it is preferred that being applied to for longitudinal force applies centainly vertical
It is carried out under load, and left and right directions is on the contrary, prevent wheel from can not apply longitudinal force to occurring rotating, while the size of longitudinal force is answered
Less than vertical force multiplied by wheel-rail friction coefficient.Specifically, longitudinal actuator has displacement sensor, make consequently facilitating detection is longitudinal
Move the movement of device and feedback.
It further include the height for adjusting the vertical height of lateral load test unit 8 on the basis of the various embodiments described above
Regulating device 15, lateral load test unit 8 are installed on the top of height adjustment device 15.Specifically, height adjustment device 15
It can be telescoping cylinder etc., push lateral load test unit 8 to move up vertical, to adjust its height, and then can adapt to not
Level instrumented wheelset 11.When load, the position at lateral 8 both ends of load test unit is controlled by height adjustment device 15
After reaching designated position, shutheight is adjusted, and then applies transverse load.
For the ease of accurately controlling the vertical deviation of lateral actuator, lateral actuator has displacement sensor, passes through position
Displacement sensor feeds back the actual displacement amount of lateral actuator, and the highly mobile carry out feedback regulation to lateral actuator is effectively protected
Its mobile accuracy is demonstrate,proved.
Further include in the above embodiments to constrain the move forward and backward freedom degree of both direction of instrumented wheelset 11
Four Plumb loads limit saddle 4, and four Plumb load limit saddles 4 for being removably fixedly installed in instrumented wheelset respectively
11 wheel is to front and rear sides.And then after instrumented wheelset 11 reaches installation site, by four corresponding peaces of Plumb load limit saddle 4
Wheel front and rear sides loaded on instrumented wheelset 11, make it lose the freedom degree moved in the front-back direction, only guarantee wheel to upper and lower fortune
Dynamic freedom degree.Saddle 4 is limited by setting Plumb load, avoids the security risk to fly out under Plumb load such as unbalance loading wheel,
Improve the safety of rating test.The structure of specific Plumb load limit saddle 4 is not especially limited herein, can be with
The front end or rear end of wheel offset with the back-and-forth motion of limiting wheel.
Specifically, four Plumb load limit saddles 4 can be removably fixedly connected with rail, in order to adapt to different rule
The installation site of the instrumented wheelset 11 of lattice, four Plumb load limit saddles 4 is adjustable, such as can with the position that is fixedly connected of rail
It adjusts.Specifically can be by the way that multiple interconnecting pieces be arranged on rail, Plumb load limits saddle 4 and optionally connects from different interconnecting pieces
It connects, so as to adjust the fixation position of four Plumb load limit saddles 4, to meet the demand of different instrumented wheelsets 11.It needs
Illustrate, herein and being removably fixedly connected of being mentioned below is conventional detachable including being bolted, snapping connection etc.
It is fixedly connected with mode, is not especially limited herein.
It in the above embodiments, further include two rail bottom plates 3 being oppositely arranged, two rail are fixed along longitudinal direction respectively
In on rail bottom plate 3, at least one rail bottom plate 3 is connected with gauge adjustment actuator 10, for push rail bottom plate 3 towards or
It is mobile away from another rail bottom plate 3.Instrumented wheelset is namely guided by 3 supporting rail of rail bottom plate, rail bottom plate 3 and rail
11 enter loading position.Specifically, instrumented wheelset 11 can be placed on the outside of rail using overhead traveling crane lifting, then shift installation position onto
It sets.In order to adjust the spacing of two rail, a rail bottom plate 3 is connected with gauge adjustment actuator 10 or two rail bottoms
Plate 3 is connected separately with gauge adjustment actuator 10, and gauge adjustment actuator 10 pushes and pulls rail chassis transverse shifting, that is, makes
The rail bottom plate 3 is mobile toward and away from another rail bottom plate 3, and then adjusts the spacing of two rails bottom plate 3, to reach adjustment two
The purpose of rail spacing.Since spacing can adjust between two rails, therefore the calibration test platform for force-measuring wheel set can be suitable for difference
The calibration of the instrumented wheelset 11 of center distance between bearings specifically can satisfy the wheel pair that gauge range is any gauge of 900mm-1676mm
Calibration.Gauge adjustment actuator 10 is specifically as follows the telescoping cylinders such as oil cylinder.It is vertical to add in the case where being provided with rail bottom plate 3
Carry limit saddle 4 specifically can also removably be fixedly connected with rail bottom plate 3.Longitudinal load test unit 9 can specifically be consolidated
Due on rail bottom plate 3.
It further, further include support platform 1, rail bottom plate 3 is removably fixedly connected in support platform 1, and steel
Link position of the orbiting end plate 3 in support platform 1 is adjustable.Rail bottom plate 3 is placed in support platform 1, can specifically pass through ground
Foot bolt is fixed, need to adjust the transverse rails of rail bottom plate 3 away from when come loose foundation bolt, use gauge adjustment actuator 10 to push and pull
Rail bottom plate 3 after being moved to suitable position, is fixed again through foundation bolt.Rail bottom plate 3 is in support platform 1
On link position it is adjustable, specifically can be by being arranged multiple fixed parts in support platform 1, rail bottom plate 3 is optionally and not
Same fixed part is detachably fixed connection, to connect position adjustment.It is longitudinal in the case where being provided with support platform 1
Linear guide 7, gantry frame 2 can be fixed in support platform 1, and height adjustment device 15 can also be installed on support platform 1
On.By supporting the setting added, effectively each component is provided a supporting role, convenient for the integral installation arrangement of equipment and transfer.
Further, support platform 1 is cast iron platform.Cast iron platform by concreting mode, make its securely with
Ground connection, the advantage of doing so is that platform integral strength and rigidity are very high, when applying two vertical actuator 5 at the same time, no
It is deformed as platform itself, platform entirety anti-fatigue performance is excellent, guarantees the device premature fatigue service life.The entirety of platform
Levelness is conducive to guarantee for a long time, such as uses non-pouring type platform, and the thickness of platform will be very big, and prominent ground is too many, need
Step is designed, upper lower platform is extremely inconvenient.
In the above embodiments, gantry frame 2 includes crossbeam and is removably fixedly connected on the columns of crossbeam two sides,
And connection height of the crossbeam on column is adjustable.Namely gantry frame 2 includes crossbeam and column.At least two columns it is discrete with
Crossbeam both ends, crossbeam are mounted on column side, and the connection height on column is adjustable.It specifically can be on column vertically
Multiple interconnecting pieces are set, and crossbeam is optionally connected from different interconnecting pieces to adjust the connection height on column.Such as in column
Row's mounting hole is reserved in side, and crossbeam optionally passes through different mounting holes and connect with upstanding studs, the above lower adjustment crossbeam
Highly, to adapt to the demand of different wheel wheel footpath.Gantry frame 2 is height-adjustable, can meet 600mm~1370mm difference wheel footpath
Wheel, stress more resultant force simple and practical using this gantry structure, and low cost.
On the basis of the various embodiments described above, vertical actuator 5, longitudinal actuator and lateral actuator are all had for supervising
Survey the pull pressure sensor of corresponding direction load.Namely vertical actuator 5 carries the biography of the pressure for detecting vertical load
Sensor；Longitudinal actuator carries the pull pressure sensor for detecting longitudinal loading；Lateral actuator is carried for detecting transverse direction
The pull pressure sensor of load.Feed back vertical actuator 5, longitudinal actuator and lateral actuator respectively by pull pressure sensor
Actual loaded amount, it is mobile to the load of vertical actuator 5, longitudinal actuator and lateral actuator to carry out feedback regulation, effectively
It ensure that its loading accuracy.
In the above embodiments, lateral actuator is transversal stretching cylinder, and the both ends of transversal stretching cylinder are separately installed with prominent
For the elastic thimble in transversal stretching cylinder end face, elastic thimble can compress the end for being retracted into transversal stretching bar in a compressed state
Within face.Namely elastic thimble protrudes from transversal stretching cylinder end face in its natural state, can compress move back in a compressed state
It is back within end face, including concordant with end face.Specifically, elastic thimble can be respectively arranged in the load at transversal stretching cylinder both ends
In bar, load bar is protruded from its natural state, can be retracted in load bar by compression in a compressed state.Pass through elastic thimble
Setting, Lateral Force point can be accurately positioned so that loading accuracy improve.
In the various embodiments described above, calibration test platform for force-measuring wheel set includes control system, Plumb load test cell, Zong Xiangjia
Carry test cell 9, lateral load test unit 8 is electrically connected with control system.Control system mainly controls loading procedure, leads to
Feedback control adjustment loaded load is crossed, is realized under a certain angle to the load of wheel and unloading.Hand can be realized in control system
Dynamic load, it is possible to use procedure auto-control load, and vertical force, cross force, the longitudinal force curve of load are exported in real time.In each work
It further include hydraulic loading system when dynamic device uses hydraulic cylinder, hydraulic loading system is used for measured wheel to applying cross force, vertical
Power and longitudinal force, each loading unit can be loaded individually, can also combine load.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (11)
1. a kind of calibration test platform for force-measuring wheel set, which is characterized in that including gantry frame (2), Plumb load test cell, longitudinal direction
Load test unit (9), lateral load test unit (8) and two bar steels for guiding instrumented wheelset (11) entrance calibration position
Rail；
The Plumb load test cell includes vertical actuator (5) for applying vertical load and is set to the force-measuring wheel
It is described to the vertical force test cell (6) for being used to test the instrumented wheelset (11) vertical load below the installation site of (11)
Vertical actuator (5) is hung on the crossbeam of the gantry frame (2), and its underpart is used to cut with scissors with the instrumented wheelset (11)
It connects；
The longitudinal direction load test unit (9) includes longitudinal actuator for applying longitudinal loading, the longitudinal direction actuator
Front end and the vertical force test cell (6) are hinged；
The transverse direction load test unit (8) includes the lateral actuator for applying transverse load, the transverse direction actuator
Both ends are for the wheel with the instrumented wheelset (11) respectively to offseting.
2. calibration test platform for force-measuring wheel set according to claim 1, which is characterized in that it further include lateral driver device, institute
It states and is fixed on crossbeam lateral linear guide (14), the top of the vertical actuator (5) is installed on the lateral linear guide
(14) on, the lateral driver device is for driving the vertical actuator (5) laterally to move along the lateral linear guide (14)
It is dynamic.
3. calibration test platform for force-measuring wheel set according to claim 1, which is characterized in that it further include longitudinal linear guide (7),
The bottom of the vertical force test cell (6) is installed on longitudinal linear guide (7), and the longitudinal direction actuator is used for institute
Vertical force test cell (6) is stated longitudinally to load along longitudinal linear guide (7).
4. calibration test platform for force-measuring wheel set according to claim 1, which is characterized in that further include for adjusting the transverse direction
The height adjustment device (15) of load test unit (8) vertical height, the transverse direction load test unit (8) are installed on the height
Spend the top of regulating device (15).
5. calibration test platform for force-measuring wheel set according to claim 1, which is characterized in that further include four Plumb load limits
Saddle (4), four Plumb load limits saddle (4) for being removably fixedly installed in the instrumented wheelset (11) respectively
Wheel to front and rear sides.
6. calibration test platform for force-measuring wheel set according to claim 1-5, which is characterized in that further include being oppositely arranged
Two rail bottom plates (3), two rail are fixed on along longitudinal direction respectively on the rail bottom plate (3), described at least one
Rail bottom plate (3) is connected with gauge adjustment actuator (10), for pushing the rail bottom plate (3) toward and away from another described
Rail bottom plate (3) is mobile.
7. calibration test platform for force-measuring wheel set according to claim 6, which is characterized in that it further include support platform (1), it is described
Rail bottom plate (3) is mounted on the support platform (1), and the rail bottom plate (3) is in the support platform (1)
On installation site it is adjustable.
8. calibration test platform for force-measuring wheel set according to claim 7, which is characterized in that the support platform (1) is cast iron
Platform.
9. calibration test platform for force-measuring wheel set according to claim 1-5, which is characterized in that the gantry frame
(2) include the crossbeam and be removably fixedly connected on the column of the crossbeam two sides, and the crossbeam is on the column
Connection height it is adjustable.
10. calibration test platform for force-measuring wheel set according to claim 1-5, which is characterized in that the vertical actuation
Device (6), longitudinal actuator and the lateral actuator all have the pull pressure sensor for monitoring corresponding direction load.
11. calibration test platform for force-measuring wheel set according to claim 1-5, which is characterized in that the transverse direction actuation
Device is transversal stretching cylinder, and the both ends of the transversal stretching cylinder are separately installed with the elastic top for protruding from transversal stretching cylinder end face
Needle, the elasticity thimble can compress in a compressed state to be retracted within the end face of the transversal stretching bar.
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| CN201810903238.3A CN109030038A (en) | 2018-08-09 | 2018-08-09 | A kind of calibration test platform for force-measuring wheel set |
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| CN201810903238.3A CN109030038A (en) | 2018-08-09 | 2018-08-09 | A kind of calibration test platform for force-measuring wheel set |
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| CN110146309A (en) * | 2019-06-27 | 2019-08-20 | 东北大学 | A kind of wheel track testing stand based on wheel-to-rail contact |
| CN112729798A (en) * | 2020-12-28 | 2021-04-30 | 国机集团北京飞机强度研究所有限公司 | Load calibration method for engine suspension joint |
| CN113484042A (en) * | 2021-07-07 | 2021-10-08 | 中车唐山机车车辆有限公司 | Calibration test bed for force measuring wheel set |
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Application publication date: 20181218 |