CN208458907U - A kind of vibration force test system used for rail vehicle - Google Patents
A kind of vibration force test system used for rail vehicle Download PDFInfo
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- CN208458907U CN208458907U CN201821108870.0U CN201821108870U CN208458907U CN 208458907 U CN208458907 U CN 208458907U CN 201821108870 U CN201821108870 U CN 201821108870U CN 208458907 U CN208458907 U CN 208458907U
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- dynamometry
- rail vehicle
- gasket
- test system
- vibration
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 19
- 230000036316 preload Effects 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model provides a kind of vibration force test system used for rail vehicle, including testing stand, dynamometry component and data processing equipment；The dynamometry component includes one group of dynamometry single-piece or two groups of dynamometry single-pieces being at least set side by side, the dynamometry single-piece includes dynamometry component, by active connection and equipment under test detachable connection, the lower end of the dynamometry component is in contact by the support connector with the testing stand for the upper end of the dynamometry component；The dynamometry component is connect with the data processing equipment, and the data that the data processing equipment is used to obtain the dynamometry component are handled.The utility model structure is simple and convenient to operate and can accurately obtain the vibration dynamic force of rail vehicle, convenient for grasping the operating condition of rail vehicle.
Description
Technical field
The utility model relates to vehicle arrangement technical fields, and in particular to a kind of vibration force test system used for rail vehicle.
Background technique
The comfort of the vibration on vehicle of trolley coach vehicle on-board equipment in the process of running has a great impact, especially
It is installed in the electromechanical equipment of roof, the vibration that rotating electric machine operating generates is transmitted downwards by roof and side wall, greatly shadow
Ring the comfort of passenger.Therefore the transmitting of vibration and the barrier vibration of control roof apparatus is with regard to very necessary.
Vehicle vibration test system is as follows in the prior art:
Application No. is 201210072837.8 patents of invention to disclose a kind of method and device of detection vibration, including obtains
Take the vibration detection information of moving object；Judge whether the moving object is passing through vibration according to the vibration detection information
Region；If the determination result is YES, then generate monitoring report information, if the judging result be it is no, do nothing.
Application No. is 201610901528.5 patents of invention to disclose a kind of damping assembly, on-board air conditioner and car and base
In the oscillation damping method of electromagnetic technique, including bottom plate, electromagnetic susceptor and footing, the electromagnetic susceptor is set on the bottom plate, institute
It states footing to be installed on the electromagnetic susceptor, the electromagnetic susceptor can generate magnetic field, provide magnetic field force to the footing, make
The footing is suspended in the electromagnetic susceptor.Damping assembly of the present invention makes footing suspension setting by electromagnetic susceptor, reduces
The hard contact of footing and bottom plate, it is suppressed that the vibration of vehicle-mounted air conditioner compressor is transmitted by footing to the vehicle body of car, also together
Sample reduces influence of the random vibration to compressor of air conditioner of car.
In addition to this, there are also other vehicle vibration test systems, existing such technology has the following deficiencies: vibration
Measurement and evaluation measures are mainly the vibration velocity and vibration acceleration of measuring device itself, and device structure is complicated；If working as equipment
When being mounted on roof by elastic element, which just has certain limitation, since elastic element is there are certain damping,
The vibration values at elastic element both ends do not have analogy property to a certain extent, and the vibration values measured in equipment, which are also unable to characterize, to be set
The standby vibratory output transmitted by elastic element to car body, causes institute's vibration measuring momentum accuracy lower.
In conclusion it is existing to solve to be badly in need of the vibration force test system used for rail vehicle that a kind of structure is simple and accuracy is high
There is the problem of technology.
Utility model content
The purpose of this utility model is to provide a kind of vibration force used for rail vehicle that structure is simple and accuracy is high tests
System, specific technical solution are as follows:
A kind of vibration force test system used for rail vehicle, including testing stand, dynamometry component and data processing equipment；
The dynamometry component includes one group of dynamometry single-piece or two groups of dynamometry single-pieces being at least set side by side, the dynamometry single-piece
Including dynamometry component, the upper end of the dynamometry component passes through active connection and equipment under test detachable connection, the dynamometry
The lower end of component is in contact by the support connector with the testing stand；The dynamometry component and the data processing equipment
Connection, the data that the data processing equipment is used to obtain the dynamometry component are handled.
Preferred in above technical scheme, the active connection includes washer sets, pre-tightens casing, resilient cushion, connection spiral shell
Screw bolt and nut, the connection bolt are inverted T-shaped structure, and lower end is equipped with for accommodating the recessed of the dynamometry component
Slot；The preload casing and the resilient cushion are successively set in from the inside to the outside on the connection bolt；The washer sets include upper
Washer and lower gasket, the preload casing and the resilient cushion are between the upper gasket and the lower gasket, the nut
Be set on the connection bolt and the nut be located on the outside of the upper gasket, by the upper gasket, lower gasket, nut with
And the cooperation of connection bolt is for applying pretightning force on the preloads casing, so that the resilient cushion is with installation pretightening force.
Preferred in above technical scheme, the dynamometry component is load cell；The lower gasket is aluminium alloy gasket.
Preferred in above technical scheme, the support connector is hat shape metal gasket, and the support connector and institute
It states between testing stand as point contact.
Preferred in above technical scheme, the data processing equipment includes dynamometry collector, data processor and number
According to display, the dynamometry collector is connect with the load cell, the dynamometry collector and the data display equipment point
It is not connect with the data processor.
Preferred in above technical scheme, the dynamometry component includes two groups of dynamometry single-pieces being at least set side by side, dynamometry
Installation point in single-piece and equipment under test is arranged in a one-to-one correspondence, and be can be realized multiple installation points while being measured.
Using technical solutions of the utility model, have the advantages that
(1) the vibration force test system used for rail vehicle of the utility model includes at testing stand, dynamometry component and data
Manage equipment；The dynamometry component includes one group of dynamometry single-piece or two groups of dynamometry single-pieces being at least set side by side, the dynamometry single-piece
Including dynamometry component, the upper end of the dynamometry component passes through active connection and equipment under test detachable connection, the dynamometry
The lower end of component is in contact by the support connector with the testing stand；The dynamometry component and the data processing equipment
Connection, the data that the data processing equipment is used to obtain the dynamometry component are handled.The system structure is simple, operation
Vibration dynamic force that is convenient and can accurately obtaining railway vehicle device, convenient for grasping vibration equipment to the shadow of rail vehicle
It rings.
(2) connection bolt described in the utility model is thin hook bolt, and the lower gasket uses light aluminum alloy gasket, with
Reduce the influence that the additional mass between carrying bolt and sensor transmits vibration equipment, guarantees that institute's vibration measuring power is close as far as possible
The vibration values of equipment itself.
(3) connection bolt head described in the utility model is equipped with the groove for accommodating the load cell, a side
It is limited in face of the load cell, preventing the equipment under test, the load cell slides out during the test
Come；On the other hand, groove is more slightly larger than the load cell outer diameter, prevents under free test mode, by radial transmission force
Interference；Be point contact with the testing stand in addition, the supporting connecting piece is hat shape metal gasket, can effectively eliminate it is radial by
Compel the influence of vibration transmitting.
(4) torque spanner need to be used the connection spiral shell when the utility model attachment rail vehicle vibration force test system
Bolt and the nut are tightened, and apply the pretightning force of setting on the preload casing, so that the resilient cushion has corresponding peace
Pretightning force is filled, on the one hand guarantees the accuracy of vibration force test, on the other hand also ensures that the vibration force used for rail vehicle is surveyed
The safety that test system uses.
(5) dynamometry component described in the utility model includes two groups of dynamometry single-pieces being at least set side by side, dynamometry single-piece and by
Installation point on measurement equipment is arranged in a one-to-one correspondence, and be can be realized multiple installation points while being measured, and working efficiency is improved.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide to further understand the utility model, the utility model signal
Property embodiment and its explanation for explaining the utility model, do not constitute to the improper restriction of the utility model.In the accompanying drawings:
Fig. 1 is structural representation when 1 middle orbit vehicle of the preferred embodiment in the utility model vibration force test system uses
Figure；
Wherein, 1, testing stand, 2, load cell, 3, data processing equipment, 4, active connection, 4.1, washer sets,
4.11, upper gasket, 4.12, lower gasket, 4.2, preload casing, 4.3, resilient cushion, 4.4, connection bolt, 4.5, nut, 5, support
Connector, 6, equipment under test, 6.1, equipment under test mounting rail.
Specific embodiment
The utility model embodiment is described in detail below in conjunction with attached drawing, but the utility model can be according to right
It is required that the multitude of different ways for limiting and covering is implemented.
Embodiment 1:
Referring to Fig. 1, a kind of test macro used for rail vehicle, including testing stand 1, dynamometry component (preferably use force-measuring sensing
Device 2) and data processing equipment 3；The upper end of the load cell 2 is detachable by active connection 4 and equipment under test 6
The lower end of connection, the load cell 2 is in contact by the support connector 5 with the testing stand 1；The force-measuring sensing
Device 2 is connect with the data processing equipment 3, the data that the data processing equipment 3 is used to obtain the load cell 2 into
Row processing.
The active connection 4 includes washer sets 4.1, pre-tightens casing 4.2, resilient cushion 4.3, connection bolt 4.4 and nut
4.5, the connection bolt 4.4 is inverted T-shaped structure, and lower end is equipped with for accommodating the recessed of the load cell 2
Slot 4.41, the groove 4.41 have two aspect use: on the one hand limiting, prevent described tested to the load cell 2
The load cell 2 slides out equipment 6 during the test；On the other hand, groove is slightly than 2 outer diameter of load cell
(it is equipped with the gap of 0.05-5mm between such as load cell and groove) greatly, prevents under free test mode, by radial biography
Pass the interference of power.The preload casing 4.2 and the resilient cushion 4.3 are successively set in from the inside to the outside on the connection bolt 4.4；
The washer sets 4.1 include upper gasket 4.11 and lower gasket 4.12, and the preload casing 4.2 and the resilient cushion 4.3 are located at institute
It states between upper gasket 4.11 and the lower gasket 4.12, the nut 4.5 is set on the connection bolt 4.4 and the nut
4.5 are located at 4.11 outside of upper gasket, torque spanner need to be used described when attachment rail vehicle vibrates force test system
Connection bolt 4.4 and the nut 4.5 are tightened, and the upper gasket 4.11, lower gasket 4.12, nut 4.5 and connection spiral shell are passed through
The cooperation of bolt 4.4 for applying the pretightning force of setting on the preload casing 4.2 so that the resilient cushion 4.3 have it is certain
Installation pretightening force.The connection bolt 4.4 is thin hook bolt, and the lower gasket 4.12 is light aluminum alloy gasket, to reduce
Influence of the additional mass to the vibration transmitting of equipment under test 6 between carrying bolt and load cell 2, guarantees that institute's vibration measuring power is most
Measure the vibration values close to equipment under test 6 itself.The load cell 2, dynamometry precision are high.The support connector 5 is cap
Shape metal gasket, and be point contact between the support connector 5 and the testing stand 1, radial forced vibration can be effectively eliminated and passed
The influence passed.The data processing equipment 3 includes dynamometry collector, data processor and data display equipment, and the dynamometry is adopted
Storage is connect with the load cell 2, the dynamometry collector and the data display equipment respectively with the data processor
Connection, the data processing equipment 3 are a computers with insertion dynamometry software.
The vibration force test of rail vehicle is carried out by above-mentioned vibration force test system used for rail vehicle, test method is specific
The following steps are included:
Step 1: the load cell 2 in vibration force test system used for rail vehicle is passed through equipment under test mounting rail 6.1
It is mounted on i-th of installation point of equipment under test 6, i is the natural number for being less than or equal to N more than or equal to 1, and N is total on equipment under test 6
Tested points；Attachment rail vehicle need to use torque spanner by the connection bolt 4.4 and described when vibrating force test system
Nut 4.5 is tightened, and applies the torque value of setting on the preload casing 4.2 according to standard DIN 25201-2, so that described subtract
Shake the installation pretightening force that pad 4.3 has 130kN；
Step 2: the load cell 2 is in contact by the support connector 5 with the testing stand 1, it is ensured that quilt
Measurement equipment 6 is whole to be lain on the testing stand 1；
Step 3: starting equipment under test 6, the data processing equipment 3 obtain i-th of installation point on the equipment under test 6
Load cell 2 vibration dynamic force Fi, and pass through formula 1) dynamic force F is moved to institute's vibration measuringiThe is obtained after carrying out calculation processing
The power grade L of i installation pointi；
Wherein, FiFor the vibration dynamic force of i-th of installation point；FrefFor reference load, Fref=1N；LiFor i-th installation point
Power grade.
Step 4: taking i=i+1, if i is greater than N, it is completed；If i is less than or equal to N, the first step is returned.
Step 5: after measuring the power grade of N number of installation point, according to formula 2) to the power grade of all installation points sum to obtain by
The global vibration power grade of measurement equipment 6.
Wherein, LiFor the power grade of i-th of installation point；LfFor global vibration power grade；N indicates the natural number since 1.
In the present embodiment: when the dynamometry component includes two groups of dynamometry single-pieces being at least set side by side, dynamometry single-piece and peace
It decorates and is arranged in a one-to-one correspondence, can be realized multiple installation points while measuring.
In the present embodiment, the vibration force test system used for rail vehicle is applied to inter-city train roof cooling unit
The test of dynamic vibration power, the direct vibration force grade transmitted to car body of measurement cooling unit, when avoiding using acceleration analysis method
The uncertain influence that mounting seat generates test result is directly assessed the vibration insulating system performance progress of cooling unit and excellent
Change, the vibration isolation rate of the vibration insulating system of cooling unit is successfully increased to 85% or more.
The foregoing is merely the preferred embodiment in the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all within the spirit of the present invention and principle,
Any modification, equivalent replacement, improvement and so on should be included within scope of protection of the utility model.
Claims (6)
1. a kind of vibration force test system used for rail vehicle, which is characterized in that including testing stand (1), dynamometry component and data
Processing equipment (3)；
The dynamometry component includes one group of dynamometry single-piece or two groups of dynamometry single-pieces being at least set side by side, and the dynamometry single-piece includes
The upper end of dynamometry component, the dynamometry component passes through active connection (4) and equipment under test detachable connection, the dynamometry portion
The lower end of part is by supporting connector (5) to be in contact with the testing stand (1)；The dynamometry component and the data processing equipment
(3) it connects, the data that the data processing equipment (3) is used to obtain the dynamometry component are handled.
2. vibration force test system used for rail vehicle according to claim 1, which is characterized in that the active connection
(4) include washer sets (4.1), pre-tighten casing (4.2), resilient cushion (4.3), connection bolt (4.4) and nut (4.5), the company
Connecting bolt (4.4) is inverted T-shaped structure, and lower end is equipped with the groove (4.41) for accommodating the dynamometry component；Institute
It states preload casing (4.2) and the resilient cushion (4.3) is successively set in from the inside to the outside on the connection bolt (4.4)；The pad
Circle group (4.1) includes upper gasket (4.11) and lower gasket (4.12), the preload casing (4.2) and the resilient cushion (4.3) position
Between the upper gasket (4.11) and the lower gasket (4.12), the nut (4.5) is set in the connection bolt (4.4)
The upper and described nut (4.5) is located at the upper gasket (4.11) outside, by the upper gasket (4.11), lower gasket (4.12),
Nut (4.5) and the cooperation of bolt (4.4) is connected for pretightning force is applied on the preload casing (4.2), so that described
Resilient cushion (4.3) has installation pretightening force.
3. vibration force test system used for rail vehicle according to claim 2, which is characterized in that the dynamometry component is to survey
Force snesor (2)；The lower gasket (4.12) is aluminium alloy gasket.
4. vibration force test system used for rail vehicle according to claim 1 to 3, which is characterized in that the branch
Supportting connector (5) is hat shape metal gasket, and is point contact between the support connector (5) and the testing stand (1).
5. vibration force test system used for rail vehicle according to claim 3, which is characterized in that the data processing equipment
It (3) include dynamometry collector, data processor and data display equipment, the dynamometry collector and the load cell (2)
Connection, the dynamometry collector and the data display equipment are connect with the data processor respectively.
6. vibration force test system used for rail vehicle according to claim 5, which is characterized in that the dynamometry component includes
Two groups of dynamometry single-pieces being at least set side by side, the installation point in dynamometry single-piece and equipment under test are arranged in a one-to-one correspondence, can be realized
Multiple installation points measure simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108870.0U CN208458907U (en) | 2018-07-13 | 2018-07-13 | A kind of vibration force test system used for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108870.0U CN208458907U (en) | 2018-07-13 | 2018-07-13 | A kind of vibration force test system used for rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458907U true CN208458907U (en) | 2019-02-01 |
Family
ID=65170486
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821108870.0U Withdrawn - After Issue CN208458907U (en) | 2018-07-13 | 2018-07-13 | A kind of vibration force test system used for rail vehicle |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680297A (en) * | 2018-07-13 | 2018-10-19 | 株洲联诚集团控股股份有限公司 | One kind vibration force test system used for rail vehicle and test method |
-
2018
- 2018-07-13 CN CN201821108870.0U patent/CN208458907U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680297A (en) * | 2018-07-13 | 2018-10-19 | 株洲联诚集团控股股份有限公司 | One kind vibration force test system used for rail vehicle and test method |
| CN108680297B (en) * | 2018-07-13 | 2024-04-09 | 株洲联诚集团控股股份有限公司 | Vibration force testing system and method for railway vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190201 Effective date of abandoning: 20240409 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190201 Effective date of abandoning: 20240409 |