CN107255568A - Test platform component for rolling stock fatigue and vibration test - Google Patents
Test platform component for rolling stock fatigue and vibration test Download PDFInfo
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- CN107255568A CN107255568A CN201710446265.8A CN201710446265A CN107255568A CN 107255568 A CN107255568 A CN 107255568A CN 201710446265 A CN201710446265 A CN 201710446265A CN 107255568 A CN107255568 A CN 107255568A
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- platform
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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
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of test platform component for rolling stock fatigue and vibration test, including：Support platform, is fixedly installed；Test platform, is slidably disposed in support platform, and the top surface of test platform is provided with integrated load maintainer installation portion, and the bottom surface of test platform and the top surface of support platform fit；Drive device, drive device is used to drive test platform to slide in support platform；Multiple fastening structures, each fastening structure, which has, to be enable test platform and the relatively-stationary tightening state of support platform and test platform is released state relative to what support platform was slided.Technical scheme, which can efficiently solve testing stand of the prior art, can not meet requirement problem when rolling stock integrally carries out fatigue with vibration test.
Description
Technical field
The present invention relates to rolling stock experimental technique field, it is used for rolling stock fatigue with shaking in particular to one kind
The test platform component of dynamic test.
Background technology
In the prior art, rolling stock is typically each portion for rolling stock when carrying out fatigue with vibration test
Part is individually tested.And all parts weight of rolling stock is generally relatively light relative to vehicle, typically using small-sized
Above-mentioned all parts are fixed testing stand respectively.Small-sized testing stand can pass through slide block structure or machine tool guideway mechanism
To realize removable adjustment, and its fixed form after moving into place is fixed by bolt clip plate.However, if it is desired to right
Rolling stock integrally carries out fatigue vibration test, and testing stand size, the weight of rolling stock are larger, above-mentioned small-sized testing stand
Mobile adjustment mode and fixed form can not meet from weigh more than hundred tons large-scale platform effective fixed and high accuracy tune
It is whole.
The content of the invention
It is a primary object of the present invention to provide a kind of test platform component for rolling stock fatigue and vibration test,
To solve the problems, such as that testing stand of the prior art can not meet requirement when rolling stock integrally carries out fatigue with vibration test.
To achieve these goals, the invention provides a kind of test platform for rolling stock fatigue and vibration test
Component, including：Support platform, is fixedly installed；Test platform, is slidably disposed in support platform, the top surface of test platform
Integrated load maintainer installation portion is provided with, the bottom surface of test platform and the top surface of support platform fit；Drive device, driving dress
Put for driving test platform to be slided in support platform；Multiple fastening structures, each fastening structure, which has, makes test platform and branch
Support the relatively-stationary tightening state of platform and test platform is released state relative to what support platform was slided.
Further, T-slot is provided with the top surface of support platform, fastening structure includes T-bolt and nut, T-shaped spiral shell
Bolt is adapted with T-slot, the perforating set along its short transverse insertion is provided with test platform, T-bolt, which is located in, to be worn
In apertured, the head of T-bolt is slidably disposed in T-slot, and the afterbody of T-bolt extends upwardly to the top of test platform
Portion is simultaneously connected with nut.
Further, avoidance recess is provided with the top surface of test platform, the inside for avoiding recess is connected with perforating, spiral shell
Mother is contained in avoidance recess.
Further, multiple T-bolts and multiple nuts are arranged in matrix.
Further, drive device includes electric reducer and screw mandrel, and electric reducer is fixedly installed, and screw mandrel is connected to examination
Test on platform, screw mandrel is engaged with electric reducer, using by the convert rotational motion of electric reducer as linear motion, so as to drive
Dynamic test platform is slided relative to support platform.
Further, test platform component also include auxiliary support apparatus, auxiliary support apparatus include mounting body and
The Auxiliary support portion in mounting body is liftably arranged on, when test platform is slided in support platform, Auxiliary support dress
Put with test platform synchronous slide, Auxiliary support portion, which rises to, supports test platform.
Further, auxiliary support apparatus also includes the roller being arranged in mounting body and leading of being engaged with roller
Rail.
Further, auxiliary support apparatus also includes the hydraulic cylinder being connected between Auxiliary support portion and mounting body.
Further, auxiliary support apparatus is four, and four auxiliary support apparatus correspond to four of test platform respectively and turned
Angle is set.
Further, the side edge for sliding along direction extension of test platform is outwardly in support platform, experiment
Platform protrudes from and is provided with directive wheel on the bottom surface of the part of support platform, when test platform is slided in support platform, leads
It is engaged to wheel with support platform, to be oriented to test platform.
Apply the technical scheme of the present invention, the top surface of test platform is provided with integrated load maintainer installation portion, test platform
Bottom surface and the top surface of support platform fit.Above-mentioned integrated load maintainer installation portion can be used in installing integrated load maintainer.
When rolling stock is tested, rolling stock is arranged on integrated load maintainer, integrated load maintainer can simulate railway
The actual motion state of vehicle, so as to provide advantage for the vibration test of rolling stock.The bottom surface of above-mentioned test platform with
The top surface of support platform fits, and is so easy to integrated load maintainer, railway by the weight of test platform itself and its top
The weight of vehicle is preferably transferred to support platform, test platform is placed and movably more steady.In addition, drive device is used
Slided in driving test platform in support platform, so as to realize effective adjustment to test platform.Each fastening structure, which has, to be made
Test platform and the relatively-stationary tightening state of support platform and enable test platform relative to the pine that support platform is slided
De- state.That is, when needing nigration platform, first making multiple fastening structures be in releasing state, so that examination
Testing platform can slide relative to support platform.After test platform is moved into place, multiple fastening structures are made to be in fastening shape
State, so that test platform is fixed in support platform.In above process, without removing fastening structure, operation is easily facilitated.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is shown is used for rolling stock fatigue and the embodiment of the test platform component of vibration test according to the present invention
Cross section structure diagram；
Fig. 2 shows enlarged diagram at the A of Fig. 1 test platform component；
Fig. 3 shows Fig. 1 test platform component and the cross section structure diagram after the assembling of integrated load maintainer；
Fig. 4 shows the partial structural diagram of one end of Fig. 1 test platform component；
Fig. 5 shows the partial structural diagram of the auxiliary support apparatus of the other end of Fig. 1 test platform component；
Fig. 6 shows the structural representation of the directive wheel of Fig. 1 test platform component；
Fig. 7 shows Fig. 1 test platform component (not shown rolling stock and integrated loading machine when carrying out vibration test
The concrete structure of structure) structural representation；And
Fig. 8 shows that Fig. 1 test platform component (shows rolling stock and integrated load maintainer when carrying out vibration test
Concrete structure) structural representation.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, support platform；11st, T-slot；20th, test platform；21st, recess is avoided；30th, integrated load maintainer installation portion；
40th, drive device；41st, electric reducer；42nd, screw mandrel；50th, fastening structure；51st, T-bolt；52nd, nut；60th, Auxiliary support
Device；61st, mounting body；62nd, Auxiliary support portion；63rd, roller；64th, guide rail；65th, hydraulic cylinder；70th, directive wheel；80th, it is integrated to add
Mounted mechanism；90th, rolling stock.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation shown in the drawings or position and closed
System, is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality are not indicated that
There must be specific orientation or with specific azimuth configuration and operation with the device or element for implying meaning, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to which explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of invention protection domain.
As shown in Fig. 1 to Fig. 3, Fig. 7 and Fig. 8, the experiment for rolling stock fatigue and vibration test of the present embodiment
Platform assembly includes support platform 10, test platform 20, drive device 40 and multiple fastening structures 50.Support platform 10 is fixed
Set on the ground.Test platform 20 is slidably disposed in support platform 10.The top surface of test platform 20 is provided with integrated
Load maintainer installation portion 30.The bottom surface of test platform 20 and the top surface of support platform 10 fit.Drive device 40 is used to drive
Test platform 20 is slided in support platform 10.Each fastening structure 50, which has, makes test platform 20 be relatively fixed with support platform 10
Tightening state and test platform 20 is released state relative to what support platform 10 was slided.
Using the test platform component of the present embodiment, the top surface of test platform 20 is provided with integrated load maintainer installation portion
30, the bottom surface of test platform 20 and the top surface of support platform 10 fit.Above-mentioned integrated load maintainer installation portion 30 can be used in
Integrated load maintainer 80 is installed.When rolling stock 90 is tested, rolling stock 90 is arranged on integrated load maintainer 80,
Integrated load maintainer 80 can simulate the actual motion state of rolling stock 90, so that the vibration test for rolling stock 90 is provided
Advantage.The bottom surface of above-mentioned test platform 20 and the top surface of support platform 10 fit, and are so easy to test platform 20 certainly
The weight of body and the integrated load maintainer 80 on its top, the weight of rolling stock 90 are preferably transferred to support platform 10, make examination
Platform 20 is tested to place and movably more steady.In addition, drive device 40 is used to drive test platform 20 in support platform 10
Slide, so as to realize effective adjustment to test platform 20.Each fastening structure 50, which has, makes test platform 20 and support platform 10
Relatively-stationary tightening state and test platform 20 is set to release state relative to what support platform 10 was slided.Namely
Say, when needing nigration platform 20, first make multiple fastening structures 50 be in releasing state, so that the energy of test platform 20
It is enough to be slided relative to support platform 10.After test platform 20 is moved into place, multiple fastening structures 50 are made to be in tightening state,
So that test platform 20 is fixed in support platform 10.In above process, without removing fastening structure 50, behaviour is easily facilitated
Make.
As shown in Figure 1 to Figure 3, in the test platform component of the present embodiment, it is provided with the top surface of support platform 10 T-shaped
Groove 11.Fastening structure 50 includes T-bolt 51 and nut 52.Wherein, T-bolt 51 is adapted with T-slot 11.Test platform 20
On be provided with the perforating set along its short transverse insertion, T-bolt 51 is located in perforating.The head of T-bolt 51
It is slidably disposed in T-slot 11.The afterbody of T-bolt 51 extend upwardly to the top of test platform 20 and with the phase of nut 52
Connection.When needing nigration platform 20, nut 52 and T-bolt 51 are unscrewed into (fastening structure 50 is in and releases state),
Now, the head of T-bolt 51 can be slided with the movement of test platform 20 in T-slot 11.When test platform 20 is moved
After in place, nut 52 and T-bolt 51 are tightened into (fastening structure 50 is in tightening state), now, the head of T-bolt 51 holds
It is contained in T-slot 11 and is relatively fixed with T-slot 11, so that test platform 20 is fixed in support platform 10.
As shown in figures 1 and 3, in the test platform component of the present embodiment, it is provided with and keeps away on the top surface of test platform 20
Allow recess 21.The inside for avoiding recess 21 is connected with perforating.Nut 52 is contained in avoidance recess 21.Above-mentioned avoidance recess 21
It can prevent that nut 52 from protruding from the top surface of test platform 20, and then prevent nut 52 from having influence on the peace of integrated load maintainer 80
Dress.In the present embodiment, perforating is 72, is respectively used to install 72 T-bolts 51.Multiple T-bolts 51 and multiple spiral shells
Mother 52, so can more efficiently fixation test platform 20 and support platform 10 in matrix arrangement.
As shown in figs. 4 and 7, in the test platform component of the present embodiment, drive device 40 includes electric reducer 41
And screw mandrel 42.Electric reducer 41 is fixedly installed.Screw mandrel 42 is connected on test platform 20.Screw mandrel 42 and the phase of electric reducer 41
Coordinate, using by the convert rotational motion of electric reducer 41 for linear motion so that drive test platform 20 relative to support put down
Platform 10 is slided.Wherein, the speed of electric reducer 41 is than being 56:1, it is possible to achieve millimetre-sized precision adjustment.Tried when needing movement
When testing platform 20, first nut 52 is unscrewed with T-bolt 51, then pushed away by the electric reducer 41 and screw mandrel 42 of drive device 40
Dynamic or pulling test platform 20, so as to realize that moving in stepless way adjusts (continuous moving adjustment).In the present embodiment, drive device 40
For one, the screw mandrel 42 of the drive device 40 is connected to the middle part of test platform 20, so easily facilitates and test platform 20 is applied
Power is not in multiple drive devices while acting on the problem of force is uneven, structure is simpler, is driven relatively reliable.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the test platform component of the present embodiment, test platform component is also wrapped
Include auxiliary support apparatus 60.Auxiliary support apparatus 60 includes mounting body 61 and is liftably arranged in mounting body 61
Auxiliary support portion 62.When needing test platform 20 to be slided in support platform 10, Auxiliary support portion 62 rises to support and tried
Test platform 20, and auxiliary support apparatus 60 and the synchronous slide of test platform 20.Because the size of test platform 20 is larger, its is heavy
Amount is up to more than 110 tons, when pushing directly on or pulling test platform 20, the force of sliding friction between test platform 20 and support platform 10
It is larger, it is larger to test platform 20 and the contact surface of support platform 10 and the damage of drive device 40.Above-mentioned Auxiliary support dress
A part of load can be undertaken by putting 60 and supporting test platform 20, so that when reducing test platform 20 and being slided in support platform 10
Resistance.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the test platform component of the present embodiment, auxiliary support apparatus 60 is
Four, four turnings that four auxiliary support apparatus 60 correspond to test platform 20 respectively are set.Auxiliary support apparatus 60 also includes
The roller 63 that is arranged in mounting body 61, the guide rail 64 being engaged with roller 63 and it is connected to Auxiliary support portion 62 and installation
Hydraulic cylinder 65 between main body 61.Above-mentioned hydraulic cylinder 65 can realize that the liftable in Auxiliary support portion 62 is set.When need movement
Before test platform 20, by four auxiliary support apparatus 60 equably by the fixed load of 20 jack-up of test platform one (it is required that undertaking
95% load, it is ensured that test platform 20 is without departing from support platform 10).During nigration platform 20, mounting body 61 can be passed through
On roller 63 be engaged with guide rail 64, so that force of sliding friction caused by most of load of test platform 20 is converted into rolling
Kinetic force of friction, further reduces the resistance of test platform 20.
As shown in Fig. 1, Fig. 3 and Fig. 6, in the test platform component of the present embodiment, test platform 20 slides along
The side edge of direction extension is outwardly in support platform 10.Test platform 20 protrudes from the bottom surface of the part of support platform 10
On be provided with directive wheel 70.When test platform 20 is slided in support platform 10, directive wheel 70 is engaged with support platform 10,
To be oriented to test platform 20.Specifically, above-mentioned directive wheel 70 is by rotation eccentric axis and is set in the rotating eccentricity
Rolling bearing on axle is connected on test platform 20.Before the movement of test platform 20, directive wheel 70 and support platform 10 it
Between have 2mm gaps.When needing nigration platform 20, rotation eccentric axis are rotated so that directive wheel 70 is towards support platform 10
It is mobile, so that the gap between directive wheel 70 and support platform 10 is adjusted to 0mm from 2mm, form lateral confinement, it is ensured that experiment
Motion straightness during the movement adjustment of platform 20.
For the installation of the integrated load maintainer 80 of realizing rolling stock fatigue vibration test, the height of test platform 20 is met
Precision is adjusted, it is necessary to which design can each integrated integrated loading machine on one large-scale removable test platform 20, the test platform 20
Structure 80, solves the problems, such as the dynamic adjustment of large-scale test platform 20 and static technique for fixing, realizes the test platform for the 110t that weighs
20 moving in stepless way adjustment, will also reliably carry out stable fixation with support platform 10 after the completion of adjustment.
The test platform component of the present embodiment is main by support platform 10, test platform 20, drive device 40, Auxiliary support
Device 60, directive wheel 70 etc. are constituted.Wherein, integrated load maintainer 80 uses modularization Integrated design, it would be desirable to mobile many sets
Load maintainer is integrated, and on a test platform 20, integrated load maintainer 80 can be realized as desired
Move integrally.Test platform 20 is monoblock type cast iron platform (overall dimensions of test platform 20 are 4000mm × 8000mm), overall
Size meets the integrated loading demand of each integrated load maintainer 80 of full-scale rolling stock, and the structural strength of test platform 20 is needed
The dynamic load applied on vertical when meeting rolling stock vibration test, horizontal, vertical three directions, with high anti-vibration performance.Examination
A plurality of T-slot is opened up on the top surface for testing platform 20 to form integrated load maintainer installation portion 30, the bottom surface of test platform 20 is complete
Plane is processed, for being horizontally arranged at support platform 10, stability when increase test platform 20 is fixed.Test platform 20 with
Support platform 10 is fixed using T-slot 11, T-bolt 51 and nut 52.To ensure the heavy weight test platform 20 of large volume
The auxiliary support apparatus 60 and horizontal orientation device (directive wheel 70) of vertical installation are designed on locomotive function, test platform 20, is protected
Frictional resistance is smaller when confirmatory test platform 20 is moved and linearity of movement of test platform 20.
In summary, the movement of the test platform 20 of test platform component is summarized as follows step with stable fixed implementation process
Suddenly：
(1) nut 52 of whole T-bolts 51 is unclamped first, test platform 20 is in removable state.
(2) loaded by the jack-up test platform 20 of hydraulic cylinder 65 of auxiliary support apparatus 60, force of sliding friction is converted to
Force of rolling friction.
(3) lateral confinement guide effect is played to test platform 20 by directive wheel 70.
(4) electric reducer 41 and screw mandrel 42 of drive device 40, nigration platform 20 are started.
(5) test platform 20 is moved to behind precalculated position, falls the hydraulic cylinder 65 of auxiliary support apparatus 60, fixes 72 T
The nut 52 of type bolt 51, realizes the fixation of test platform 20.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
The present invention meets the Operating condition adjustment of the fatigue of full-scale rolling stock, vibration test, such a test platform can it is quick,
The experiment size needs of different rolling stocks are realized exactly.Test platform can be by the integrated entirety system of each load maintainer
System, realizes simultaneously mobile, the workload of saving associated components adjustment.Test platform meets following functions：(1) test platform can
By fixation, possess reliable stability and vibration resistance, meet various impacts and vibration that dynamic load in experiment reaches 756t；(2)
The integrated load maintainer installation portion of flexibility is set on test platform, integrated load maintainer is installed, modularization integrated system is realized；
(3) test platform can realize overall moving in stepless way adjustment, meet different rolling stock test requirements documents.
In summary, the test platform of rolling stock fatigue and vibration test requires to keep absolute static stability,
It is firmly fixed to bear all directions dynamic load and extraneous vibration in support platform, and when carrying out operating condition of test conversion, experiment
Platform needs to carry out moving in stepless way adjustment according to the spacing of different rolling stocks, is effectively fixed again after adjustment, therefore, this hair
Technological difficulties effectively fixed, full after the bright dynamic high precision adjustment for solving such a Large-scale Mobile test platform and integrated regulation
Sufficient rolling stock integrally carries out the requirement of correlation test.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of test platform component for rolling stock fatigue and vibration test, it is characterised in that including：
Support platform (10), is fixedly installed；
Test platform (20), is slidably disposed in the support platform (10), and the top surface of the test platform (20) is set
There is integrated load maintainer installation portion (30), the bottom surface of the test platform (20) and the top surface of the support platform (10) are affixed
Close；
Drive device (40), the drive device (40) is used to drive the test platform (20) in the support platform (10)
Slide；
Multiple fastening structures (50), each fastening structure (50), which has, makes the test platform (20) and the support platform
(10) relatively-stationary tightening state and make the test platform (20) can relative to the support platform (10) slide
Release state.
2. test platform component according to claim 1, it is characterised in that set on the top surface of the support platform (10)
There is T-slot (11), the fastening structure (50) includes T-bolt (51) and nut (52), the T-bolt (51) and the T
Type groove (11) is adapted, and the perforating set along its short transverse insertion, the T-shaped spiral shell are provided with the test platform (20)
Bolt (51) is located in the perforating, and the head of the T-bolt (51) is slidably disposed in the T-slot (11),
The afterbody of the T-bolt (51) extends upwardly to the top of the test platform (20) and is connected with the nut (52).
3. test platform component according to claim 2, it is characterised in that set on the top surface of the test platform (20)
There is avoidance recess (21), the inside for avoiding recess (21) is connected with the perforating, and the nut (52) is contained in described
Avoid in recess (21).
4. the test platform component according to Claims 2 or 3, it is characterised in that multiple T-bolts (51) and multiple
Nut (52) is arranged in matrix.
5. test platform component according to claim 1, it is characterised in that the drive device (40) includes electric speed reducing
Machine (41) and screw mandrel (42), the electric reducer (41) are fixedly installed, and the screw mandrel (42) is connected to the test platform
(20) on, the screw mandrel (42) is engaged with the electric reducer (41), and the rotation of the electric reducer (41) is transported
It is dynamic to be converted into linear motion, so as to drive the test platform (20) to be slided relative to the support platform (10).
6. test platform component according to claim 1, it is characterised in that the test platform component also includes auxiliary branch
Support arrangement (60), the auxiliary support apparatus (60) includes mounting body (61) and is liftably arranged on the mounting body
(61) the Auxiliary support portion (62) on, when the test platform (20) is slided in the support platform (10), the auxiliary
Support meanss (60) and the test platform (20) synchronous slide, the Auxiliary support portion (62), which rises to, to be supported residence and states experiment
Platform (20).
7. test platform component according to claim 6, it is characterised in that the auxiliary support apparatus (60) also includes setting
Put the roller (63) in the mounting body (61) and the guide rail (64) being engaged with the roller (63).
8. the test platform component according to claim 6 or 7, it is characterised in that the auxiliary support apparatus (60) is also wrapped
Include the hydraulic cylinder (65) being connected between the Auxiliary support portion (62) and the mounting body (61).
9. the test platform component according to claim 6 or 7, it is characterised in that the auxiliary support apparatus (60) is four
Individual, four turnings that four auxiliary support apparatus (60) correspond to the test platform (20) respectively are set.
10. test platform component according to claim 1, it is characterised in that test platform (20) slide along
The side edge of direction extension is outwardly in the support platform (10), and it is flat that the test platform (20) protrudes from the support
Directive wheel (70) is provided with the bottom surface of the part of platform (10), when the test platform (20) is slided in the support platform (10)
When dynamic, the directive wheel (70) is engaged with the support platform (10), to be oriented to the test platform (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446265.8A CN107255568B (en) | 2017-06-13 | 2017-06-13 | Test platform assembly for railway vehicle fatigue and vibration test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710446265.8A CN107255568B (en) | 2017-06-13 | 2017-06-13 | Test platform assembly for railway vehicle fatigue and vibration test |
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| CN107255568A true CN107255568A (en) | 2017-10-17 |
| CN107255568B CN107255568B (en) | 2020-02-07 |
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| CN201710446265.8A Active CN107255568B (en) | 2017-06-13 | 2017-06-13 | Test platform assembly for railway vehicle fatigue and vibration test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357860A (en) * | 2018-12-04 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Bend simulation mechanism, hitch even hang testing stand and its pilot system |
| CN110987417A (en) * | 2019-11-21 | 2020-04-10 | 重庆大学 | Miniature gear durability test bench |
| CN112161822A (en) * | 2020-09-25 | 2021-01-01 | 中车长春轨道客车股份有限公司 | Dynamic test system and dynamic test method for subway vehicle |
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| CN112161822B (en) * | 2020-09-25 | 2022-11-29 | 中车长春轨道客车股份有限公司 | Dynamic test system and dynamic test method for subway vehicle |
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