CN108896261A - Three shaft vibration fatigue test boards - Google Patents
Three shaft vibration fatigue test boards Download PDFInfo
- Publication number
- CN108896261A CN108896261A CN201810604652.4A CN201810604652A CN108896261A CN 108896261 A CN108896261 A CN 108896261A CN 201810604652 A CN201810604652 A CN 201810604652A CN 108896261 A CN108896261 A CN 108896261A
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- axis
- workbench
- axis actuator
- actuator
- guide rail
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
- G01M7/06—Multidirectional test stands
Abstract
The invention discloses a kind of three shaft vibration fatigue test boards, including：Pedestal,The upper surface of pedestal is provided with Y-axis guide rail,Y-direction workbench is movably installed with above pedestal,The bottom of Y-direction workbench is provided with Y-axis sliding slot,The upper surface of Y-direction workbench is provided with X-axis guide rail,The edge of Y-direction workbench is equipped with Y-axis actuator,X is movably installed with to workbench above Y-direction workbench,X is provided with X-axis sliding slot to the bottom of workbench,X is equipped with X-axis actuator to the edge of workbench,X is equipped with more damping guide posts to the upper surface of workbench,The top of damping guide post is equipped with Z-direction workbench,The bottom of Z-direction workbench is equipped with Z axis actuator,Pass through X,Y,Z-direction workbench individually vibrates or three-shaft linkage,It is non-interference in three directions,Power by fluid pressure type actuator as shake table,It is wider to reach the testing stand scope of application,Simplify the calculating process of data,Make the purpose that test data is more accurate.
Description
Technical field
The present invention relates to vibration test testing fields, and in particular to a kind of three shaft vibration fatigue test boards.
Background technique
Vibration test board is that analog equipment is manufacturing, and the various rings met in the execution stage are transported and used in assembling
Border, the ability for whether enduring ambient vibration to identify product, existing testing engineering structural cover and thin-slab structure part
Vibration fatigue test platform mostly uses power of the electromagnetic actuator as testing stand, is acquired by displacement sensor and load cell
The data of testing stand pass through software again and are analyzed, and electromagnetic actuator is short of power, and can not provide vibration-testing for large item,
And existing vibration fatigue test platform needs to calculate the power removing of different directions, calculates complexity, is easy to produce decoupling and does not conform to
There is interference problem.
Summary of the invention
In order to solve the above technical problems, being applicable in big ton the invention proposes a kind of three shaft vibration fatigue test boards to reach
Position article carries out vibration fatigue test, keeps the testing stand scope of application wider, simplifies the calculating process of data, makes test data more
Accurate purpose.
In order to achieve the above objectives, technical scheme is as follows：A kind of three shaft vibration fatigue test boards, the testing stand
Including：To workbench, Y-direction workbench, Z-direction workbench, the upper surface of the pedestal is provided with two parallel Y-axis and leads by pedestal, X
Rail, the pedestal top are movably installed with Y-direction workbench；
The bottom of the Y-direction workbench is provided with the Y-axis sliding slot being adapted to Y-axis guide rail, the upper surface of the Y-direction workbench
It is provided with two parallel X-axis guide rails, the X-axis guide rail and the Y-axis guide rail spatial vertical, the centre of the Y-direction workbench
Position is provided with the Y-direction Z axis actuator indwelling mouth through Y-direction workbench, and the edge of the Y-direction workbench is provided with Y-axis actuation
Device mounting groove is equipped in the Y-axis actuator mounting groove and makees for controlling Y-direction workbench along the Y-axis that Y-axis guide rail direction is moved
Dynamic device, the Y-direction workbench top are movably installed with X to workbench；
The X is provided with the X-axis sliding slot being adapted to X-axis guide rail, interposition of the X to workbench to the bottom of workbench
Install be equipped with through X from X to workbench to Z axis actuator indwelling mouth, the X is provided with X-axis actuator to the edge of workbench
Mounting groove is equipped with the X-axis actuation moved to workbench along X-axis guide rail direction for controlling X in the X-axis actuator mounting groove
Device, the X are fixedly installed with more damping guide posts to the upper surface of workbench, and the top of the damping guide post is fixedly mounted
There is Z-direction workbench, the bottom of the Z-direction workbench is fixedly installed with Z axis actuator, and the other end of the Z axis actuator passes through Y
The upper surface of pedestal is fixedly mounted on to Z axis actuator indwelling mouth and X to Z axis actuator indwelling mouth；
The Y-axis actuator, X-axis actuator and Z axis actuator are connected separately with independent servo valve.
Further, the edge of the base upper surface is provided with Y-axis actuator indwelling slot, the Y-axis actuator indwelling
Slot is arranged below Y-axis actuator mounting groove, and the edge of the Y-direction workbench is provided with X-axis actuator indwelling slot, the X-axis
Actuator indwelling slot is arranged below X-axis actuator mounting groove, since actuator is cylindrical structure, so Y-axis actuator is stayed
Setting slot and X-axis actuator indwelling slot is for being adapted to actuator size.
Further, the upper surface of the pedestal is provided with two parallel Y-axis static pressure supporting projections, the Y-axis static pressure
Supporting projections are parallel with Y-axis guide rail, and the bottom of the Y-direction workbench is provided with the Y-axis static pressure being adapted to Y-axis static pressure supporting projections
Slot, the upper surface of the Y-direction workbench are provided with two parallel X-axis static pressure supporting projections, the X-axis static pressure supporting projections with
X-axis guide rail is parallel, and the X is provided with the X-axis static pressure slot being adapted to X-axis static pressure supporting projections to the bottom of workbench.
Further, Y-axis actuator seat is provided between the Y-axis actuator and the Y-direction workbench, the Y-axis is made
Dynamic device seat is fixedly mounted in Y-axis actuator mounting groove, and the X-axis actuator and the X make to X-axis is provided between workbench
Dynamic device seat, the X-axis actuator seat are fixedly mounted in X-axis actuator mounting groove, the fixed work that actuator seat can be more stable
Dynamic device.
Further, the upper surface of the Z-direction workbench is provided with two parallel inverted T-shaped style press fitting slots.
The invention has the advantages that：
(1) the present invention is individually vibrated or three-shaft linkage by X to workbench, Y-direction workbench and Z-direction workbench, can be with mould
Intend more kinds of road conditions scenes, applicability is more extensive.
(2) the present invention by X to workbench, Y-direction workbench and Z-direction workbench three-shaft linkage when, three directions mutually not
Interference, is independent of each other, the complicated calculations and decoupling that avoid existing shake table do not conform to the interference problem of generation, make test data more
It is accurate.
(3) the present invention uses fluid pressure type actuator, can satisfy the vibration fatigue test of large-tonnage article, has tonnage
Greatly, the big advantage of amplitude, applicability are wider.
(4) using damping guide post, the back pressure by controlling backhaul can be good at reducing actuator backhaul the present invention
Impact.
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.
Fig. 1 is three shaft vibrations fatigue test board structural schematic diagram disclosed by the embodiments of the present invention；
Fig. 2 is schematic diagram of base structure disclosed by the embodiments of the present invention；
Fig. 3 is Y-direction Working table structure schematic diagram disclosed by the embodiments of the present invention；
Fig. 4 is X disclosed by the embodiments of the present invention to Working table structure schematic diagram；
Fig. 5 is X disclosed by the embodiments of the present invention to worktable upper surface structural schematic diagram；
Fig. 6 is Z-direction Working table structure schematic diagram disclosed by the embodiments of the present invention；
Fig. 7 is actuator seat schematic diagram disclosed by the embodiments of the present invention；
Number and corresponding component title represented by letter in figure：
1, pedestal；2, Y-direction workbench；3, X is to workbench；4, Z-direction workbench；5, Y-axis guide rail；6, X-axis guide rail；7, Y-direction Z
Axis actuator indwelling mouth；8, Y-axis sliding slot；9, Y-axis actuator mounting groove；10, Y-axis actuator；11, X-axis sliding slot；12, X is to Z axis
Actuator indwelling mouth；13, X-axis actuator mounting groove；14, X-axis actuator；15, guide post is damped；16, Z axis actuator；17,Y
Axis static pressure supporting projections；18, X-axis static pressure supporting projections；19, Y-axis static pressure slot；20, X-axis static pressure slot；21, Y-axis actuator indwelling
Slot；22, X-axis actuator indwelling slot；23, inverted T-shaped style is pressed slot；24, actuator seat.
Specific embodiment
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.
The present invention provides a kind of three shaft vibration fatigue test boards, its working principle is that being worked by X to workbench, Y-direction
Platform and Z-direction workbench individually vibrates or three-shaft linkage, it is non-interference in three directions, it is independent of each other, passes through fluid pressure type actuator
As the power of shake table, vibration fatigue test is carried out to reach applicable large-tonnage article, keeps the testing stand scope of application wider, letter
The calculating process for changing data, makes the purpose that test data is more accurate.
Below with reference to embodiment and specific embodiment, the present invention is described in further detail.
As shown in Fig. 1-Fig. 7, a kind of three shaft vibration fatigue test boards, the testing stand includes：Pedestal 1, X to workbench 3,
Y-direction workbench 2, Z-direction workbench 4, the upper surface of the pedestal 1 are provided with two parallel Y-axis guide rails 5, live above the pedestal 1
It is dynamic that Y-direction workbench 2 is installed；
The bottom of the Y-direction workbench 2 is provided with the Y-axis sliding slot 8 being adapted to Y-axis guide rail 5, the Y-direction workbench 2 it is upper
Surface is provided with two parallel X-axis guide rails 6, the X-axis guide rail 6 and 5 spatial vertical of Y-axis guide rail, the Y-direction workbench
2 middle position is provided with the Y-direction Z axis actuator indwelling mouth 7 through Y-direction workbench 2, the edge setting of the Y-direction workbench 2
There is Y-axis actuator mounting groove 9, is equipped in the Y-axis actuator mounting groove 9 for controlling Y-direction workbench 2 along 5 side of Y-axis guide rail
To mobile Y-axis actuator 10, X is movably installed with above the Y-direction workbench 2 to workbench 3；
The X is provided with the X-axis sliding slot 11 being adapted to X-axis guide rail 6 to the bottom of workbench 3, and the X is to workbench 3
Middle position be provided with through X from X to workbench 3 to Z axis actuator indwelling mouth 12, the X is provided with to the edge of workbench 3
X-axis actuator mounting groove 13 is equipped with for controlling X to workbench 3 along 6 side of X-axis guide rail in the X-axis actuator mounting groove 13
To mobile X-axis actuator 14, the X is fixedly installed with more damping guide posts 15, the damping to the upper surface of workbench 3
The top of guide post 15 is fixedly installed with Z-direction workbench 4, and the bottom of the Z-direction workbench 4 is fixedly installed with Z axis actuator 16,
The other end of the Z axis actuator 16 passes through Y-direction Z axis actuator indwelling mouth 7 and X and is fixedly mounted to Z axis actuator indwelling mouth 12
In the upper surface of pedestal 1；
The Y-axis actuator 10, X-axis actuator 14 and Z axis actuator 16 are connected separately with independent servo valve.
Wherein, the edge of 1 upper surface of pedestal is provided with 10 indwelling slot of Y-axis actuator, 10 indwelling of Y-axis actuator
Slot is arranged below Y-axis actuator mounting groove 9, and the edge of the Y-direction workbench 2 is provided with 14 indwelling slot of X-axis actuator, described
14 indwelling slot of X-axis actuator is arranged below 14 mounting groove 9Y of X-axis actuator, since actuator is cylindrical structure, so Y-axis
10 indwelling slot of actuator and 14 indwelling slot of X-axis actuator are for being adapted to actuator size.
Wherein, the upper surface of the pedestal 1 is provided with two parallel Y-axis static pressure supporting projections 17, the Y-axis static pressure branch
Support protrusion 17 is parallel with Y-axis guide rail 5, and the bottom of the Y-direction workbench 2 is provided with the Y-axis being adapted to Y-axis static pressure supporting projections 17
Static pressure slot 19, the upper surface of the Y-direction workbench 2 are provided with two parallel X-axis static pressure supporting projections 18, the X-axis static pressure
Supporting projections 18 are parallel with X-axis guide rail 6, and the X is provided with the X being adapted to X-axis static pressure supporting projections 18 to the bottom of workbench 3
Axis static pressure slot 20.
Wherein, Y-axis actuator seat, the Y-axis actuation are provided between the Y-axis actuator 10 and the Y-direction workbench 2
Device seat is fixedly mounted in Y-axis actuator mounting groove 9, and the X-axis actuator 14 and the X are provided with X-axis between workbench 3
Actuator seat, the X-axis actuator seat are fixedly mounted in 14 mounting groove 9Y of X-axis actuator, and actuator seat can be more stable
Fixed actuator.
Wherein, the upper surface of the Z-direction workbench 4 is provided with two parallel inverted T-shaped style press fitting slots 23.
Wherein, Y-axis actuator 10, X-axis actuator 14 and Z axis actuator 16 individually connect a servo valve, servo valve
It is controlled by computer software, servo valve controls Y-axis actuator 10, X-axis actuator 14 and Z axis actuator 16 respectively and carries out
Displacement and vibration, X are provided with displacement sensor and load cell on workbench 3, Y-direction workbench 2 and Z-direction workbench 4,
Displacement sensor and load cell acquire X to workbench 3, the shift value of Y-direction workbench 2 and Z-direction workbench 4 and force value and incite somebody to action
Data are transmitted to computer, and computer software handles the vibration data of engineering structure covering and thin-slab structure part, lead to
Sinusoidal pop, square wave spectrum and the triangle wave spectrum for applying simulation actual condition are crossed, to engineering structure covering and thin-slab structure part
Vibration fatigue test is carried out, to predict reliability of the exemplar under actual condition.
Wherein, cooling system is installed in Y-axis actuator 10, X-axis actuator 14 and Z axis actuator 16.
Wherein, when uniaxial vibration, frequency 30Hz, amplitude 5mm, when three-shaft linkage, frequency 15Hz, amplitude 5mm.
Above-described is only a kind of preferred embodiment of three shaft vibrations fatigue test board disclosed in this invention, should
It points out, for those of ordinary skill in the art, without departing from the concept of the premise of the invention, if can also make
Dry modification and improvement, these are all within the scope of protection of the present invention.
Claims (5)
1. a kind of three shaft vibration fatigue test boards, which is characterized in that the testing stand includes：Pedestal, X work to workbench, Y-direction
Platform, Z-direction workbench, the upper surface of the pedestal are provided with two parallel Y-axis guide rails, are movably installed with Y-direction above the pedestal
Workbench；
The bottom of the Y-direction workbench is provided with the Y-axis sliding slot being adapted to Y-axis guide rail, the upper surface setting of the Y-direction workbench
There are two parallel X-axis guide rails, the X-axis guide rail and the Y-axis guide rail spatial vertical, the middle position of the Y-direction workbench
It is provided with the Y-direction Z axis actuator indwelling mouth through Y-direction workbench, the edge of the Y-direction workbench is provided with Y-axis actuator peace
Tankage is equipped with the Y-axis actuation moved for controlling Y-direction workbench along Y-axis guide rail direction in the Y-axis actuator mounting groove
Device, the Y-direction workbench top are movably installed with X to workbench；
The X is provided with the X-axis sliding slot being adapted to X-axis guide rail to the bottom of workbench, and the X is installed to the interposition of workbench
It is equipped with through X to the X of workbench to Z axis actuator indwelling mouth, the X is provided with the installation of X-axis actuator to the edge of workbench
Slot is equipped with the X-axis actuator moved to workbench along X-axis guide rail direction for controlling X in the X-axis actuator mounting groove,
The X is fixedly installed with more damping guide posts to the upper surface of workbench, and the top of the damping guide post is fixedly installed with Z
To workbench, the bottom of the Z-direction workbench is fixedly installed with Z axis actuator, and the other end of the Z axis actuator passes through Y-direction Z
Axis actuator indwelling mouth and X are fixedly mounted on the upper surface of pedestal to Z axis actuator indwelling mouth；
The Y-axis actuator, X-axis actuator and Z axis actuator are connected separately with independent servo valve.
2. three shaft vibrations fatigue test board according to claim 1, which is characterized in that the edge of the base upper surface is set
It is equipped with Y-axis actuator indwelling slot, the Y-axis actuator indwelling slot is arranged below Y-axis actuator mounting groove, the Y-direction work
The edge of platform is provided with X-axis actuator indwelling slot, and the X-axis actuator indwelling slot is arranged below X-axis actuator mounting groove.
3. three shaft vibrations fatigue test board according to claim 1, which is characterized in that the upper surface of the pedestal is provided with
Two parallel Y-axis static pressure supporting projections, the Y-axis static pressure supporting projections are parallel with Y-axis guide rail, the bottom of the Y-direction workbench
Portion is provided with the Y-axis static pressure slot being adapted to Y-axis static pressure supporting projections, and the upper surface of the Y-direction workbench is provided with two in parallel
X-axis static pressure supporting projections, the X-axis static pressure supporting projections are parallel with X-axis guide rail, and the X is provided with to the bottom of workbench
The X-axis static pressure slot being adapted to X-axis static pressure supporting projections.
4. three shaft vibrations fatigue test board according to claim 1, which is characterized in that the Y-axis actuator and the Y-direction
Y-axis actuator seat is provided between workbench, the Y-axis actuator seat is fixedly mounted in Y-axis actuator mounting groove, the X
Axis actuator and the X are fixedly mounted on X-axis actuation to X-axis actuator seat, the X-axis actuator seat is provided between workbench
In device mounting groove.
5. three shaft vibrations fatigue test board according to claim 1, which is characterized in that the upper surface of the Z-direction workbench
It is provided with two parallel inverted T-shaped style press fitting slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604652.4A CN108896261A (en) | 2018-06-13 | 2018-06-13 | Three shaft vibration fatigue test boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604652.4A CN108896261A (en) | 2018-06-13 | 2018-06-13 | Three shaft vibration fatigue test boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108896261A true CN108896261A (en) | 2018-11-27 |
Family
ID=64344911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810604652.4A Pending CN108896261A (en) | 2018-06-13 | 2018-06-13 | Three shaft vibration fatigue test boards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896261A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514380A (en) * | 2019-09-19 | 2019-11-29 | 柳州北斗星液压科技有限公司 | A kind of three shaft vibration fatigue test boards |
| CN110749461A (en) * | 2019-11-15 | 2020-02-04 | 西南交通大学 | Multi-axial fatigue vibration rack for rail vehicle |
| CN112665964A (en) * | 2021-03-16 | 2021-04-16 | 中国科学院地质与地球物理研究所 | Test system for simulating deformation process of deep tunnel under seismic condition |
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| JP2001108570A (en) * | 1999-10-07 | 2001-04-20 | Sanesu:Kk | Triaxial vibration testing apparatus |
| CN101241036A (en) * | 2008-03-21 | 2008-08-13 | 苏州东菱振动试验仪器有限公司 | Jigging platform three-way excitation platform connecting mechanism |
| CN103134652A (en) * | 2011-12-01 | 2013-06-05 | 南京工程学院 | Three-way vibrating table |
| CN206330720U (en) * | 2016-11-24 | 2017-07-14 | 苏州东菱振动试验仪器有限公司 | The axial decoupling device of integral type three and shake table with static pressure guide function |
| CN208206429U (en) * | 2018-06-13 | 2018-12-07 | 柳州北斗星液压科技有限公司 | Three shaft vibration fatigue test boards |
-
2018
- 2018-06-13 CN CN201810604652.4A patent/CN108896261A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108570A (en) * | 1999-10-07 | 2001-04-20 | Sanesu:Kk | Triaxial vibration testing apparatus |
| CN101241036A (en) * | 2008-03-21 | 2008-08-13 | 苏州东菱振动试验仪器有限公司 | Jigging platform three-way excitation platform connecting mechanism |
| CN103134652A (en) * | 2011-12-01 | 2013-06-05 | 南京工程学院 | Three-way vibrating table |
| CN206330720U (en) * | 2016-11-24 | 2017-07-14 | 苏州东菱振动试验仪器有限公司 | The axial decoupling device of integral type three and shake table with static pressure guide function |
| CN208206429U (en) * | 2018-06-13 | 2018-12-07 | 柳州北斗星液压科技有限公司 | Three shaft vibration fatigue test boards |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514380A (en) * | 2019-09-19 | 2019-11-29 | 柳州北斗星液压科技有限公司 | A kind of three shaft vibration fatigue test boards |
| CN110749461A (en) * | 2019-11-15 | 2020-02-04 | 西南交通大学 | Multi-axial fatigue vibration rack for rail vehicle |
| CN110749461B (en) * | 2019-11-15 | 2024-03-26 | 西南交通大学 | Multi-shaft fatigue vibration rack for railway vehicle |
| CN112665964A (en) * | 2021-03-16 | 2021-04-16 | 中国科学院地质与地球物理研究所 | Test system for simulating deformation process of deep tunnel under seismic condition |
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