CN109540444A - Three-axis vibration test platform and control method - Google Patents
Three-axis vibration test platform and control method Download PDFInfo
- Publication number
- CN109540444A CN109540444A CN201811644613.3A CN201811644613A CN109540444A CN 109540444 A CN109540444 A CN 109540444A CN 201811644613 A CN201811644613 A CN 201811644613A CN 109540444 A CN109540444 A CN 109540444A
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- China
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- test platform
- support plate
- loading board
- bottom support
- top loading
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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
- G01M7/06—Multidirectional test stands
Abstract
The invention discloses a kind of three-axis vibration test platform and control methods, the three-axis vibration test platform includes frame body, it is driven the bottom support plate of upward-downward translation, it is arranged in above the bottom support plate and is driven the top loading board of bottom support plate translation that can be relatively described, the test platform being fixed on the top loading board, and cross guiding mechanism, the cross guiding mechanism includes being correspondingly arranged at two groups of perpendicular and spaced linear guidings portion, intermediate plate between two groups of linear guiding portions, and it is separately positioned on the two sides of the intermediate plate and the guide portion with the linear guiding portion corresponding matching, cross guiding mechanism is provided between the bottom support plate and top loading board.Scalability of the present invention is strong, can arbitrarily install workpiece additional on shaking platform as vibration source, such as installs high-frequency vibrator additional, further expands its application.
Description
Technical field
The invention belongs to product testing technical fields, and in particular to a kind of three-axis vibration test platform and control method.
Background technique
Three shaft vibration of servo is to be mainly used in automobile to the technology upgrading of general vehicle turbine pressure piping system vibration
Soft or hard pipeline vibration endurance test in turbine system, examines and determine the service performance and service life of turbine piping.
The natural vibration that product is subjected under actual condition is the axial complex vibration of X, Y, Z tri-, at present because of testing equipment
And the limitation of means, vibration testing device can only simulate vibration uniaxially.Therefore, the common practices of existing vibration test
It is: vibration test uniaxially successively is carried out to a certain product respectively, three vibrations uniaxially is then born with product
The shock resistance of overall merit product.(the three-dimensional electric vibration table is generally electronic by one by taking three-dimensional electric vibration table as an example
Shake table and horizontal sliding table composition), first by product orientation in doing vertical Z side to product on the work top of electric vibration table
To vibration test, horizontal sliding table do not use, and then overturns the stage body of electric vibration table to horizontal direction and and horizontal sliding table
Connection, by product orientation in the vibration test for doing horizontal X direction on horizontal sliding table, finally again turns to product on horizontal sliding table
The vibration test of horizontal Y-direction is completed in 90 ° of positioning.
The deficiency of above-mentioned vibration test:
A, existing vibration test need to successively carry out three tests uniaxially, and test bay requires professional's progress three times
The adjustment and positioning of high request, time-consuming, operates very loaded down with trivial details；
B, existing vibration test is that product is allowed to be subjected to three vibrations uniaxially successively to evaluate the performance of product, this with it is true
Real complex vibration environment is not inconsistent, and there is very big error, is unable to the resistance to shock of actual response product.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of three-axis vibration test platforms, are able to achieve three
Axis vibration, improves the authenticity of test.
The present invention is achieved by the following technical solutions:
Including frame body, the bottom support plate that is driven upward-downward translation, the bottom support plate is arranged in a kind of three-axis vibration test platform
Top and the top loading board for being driven bottom support plate translation that can be relatively described, the test being fixed on the top loading board are flat
Platform and cross guiding mechanism, the cross guiding mechanism include being correspondingly arranged at described two groups perpendicular and interval settings
Linear guiding portion, the intermediate plate between two groups of linear guiding portions, and be separately positioned on the two sides of the intermediate plate
Guide portion on face and with the linear guiding portion corresponding matching is provided with cross guiding between the bottom support plate and top loading board
Mechanism.
In the above-mentioned technical solutions, the linear guiding portion is linear guide, and the guide portion is sliding block.
In the above-mentioned technical solutions, the linear guiding portion is guide rod, and the guide portion is to be formed with pilot hole
Guide block.
In the above-mentioned technical solutions, the driving mechanism for driving the top loading board to move relative to bottom support plate includes laterally driven
Mechanism and longitudinal driving mechanism respectively include translation driving motor, by the cunning of translation driving motor driving linear reciprocating motion
Plate is provided with the cross guiding mechanism between the slide plate and top loading board.
In the above-mentioned technical solutions, the translation driving motor is fixed on the middle layer platen of frame body, described
Slide plate is fixedly connected with slide plate frame, and guide rail slide block structure is provided between the slide plate frame and middle layer platen, and the translation is driven
The dynamic motor slide plate frame linear reciprocating motion described by leadscrew-nut mechanism driving.
In the above-mentioned technical solutions, the slide plate frame is the U-shaped frame that open end is fixedly connected with the slide plate.
In the above-mentioned technical solutions, the driving mechanism for driving the bottom support plate to move up and down includes being fixed at frame body
Bottom platform board on lifting driving motor, the crane moved up and down, the bottom are driven by the lifting driving motor
Support plate is fixed on the crane.
In the above-mentioned technical solutions, guide rail slide block structure, the liter are provided between the crane and middle layer platen
Drop driving motor is back and forth moved up and down by the leadscrew-nut mechanism driving crane.
In the above-mentioned technical solutions, the frame body further includes top plate, is provided on the top plate and the test
The corresponding aperture of platform.
It in the above-mentioned technical solutions, further include the control controllably being connect with the lifting driving motor and translation driving motor
Device processed.
The advantages and benefits of the present invention are:
The present invention is mainly cooperated by motor, screw rod, guide rail, shake table and is completed, and vibration frequency is adjustable, uniaxial displacement
Positive and negative 50mm is even more big, is controlled by electricity fully and can ensure that its safety, is controlled using driver procedure servo motor, it is ensured that
The stabilization of data, true and accuracy.And scalability is strong, can arbitrarily install workpiece additional on shaking platform as vibration source, such as
It installs high-frequency vibrator additional, further expands its application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of three-axis vibration test platform of the present invention.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, combined with specific embodiments below furtherly
Bright technical solution of the present invention.
Embodiment one
A kind of three-axis vibration test platform of the invention including frame body 1, the bottom support plate 6 that is driven upward-downward translation, is arranged in institute
Above the bottom support plate stated and it is driven the top loading board 7 of bottom support plate translation that can be relatively described, is fixed at the top loading board
On test platform 8 and cross guiding mechanism, the cross guiding mechanism include be correspondingly arranged at described two groups it is perpendicular
And spaced linear guiding portion 5, the intermediate plate 4 between two groups of linear guiding portions, and be separately positioned on described
Guide portion on the two sides of intermediate plate and with the linear guiding portion corresponding matching, sets between the bottom support plate and top loading board
It is equipped with cross guiding mechanism, one group of linear guiding portion is respectively fixed on the adjacent surface of the bottom support plate and top loading board
5.The intermediate plate is between bottom support plate and top loading board and upper and lower surface is respectively arranged with and matches with the linear guiding portion
The guide portion of conjunction, on one group of linear guiding portion be one or two or multiple, between two groups between the upper and lower every and keep vertical.
Specifically, the linear guiding portion is linear guide, the guide portion is sliding block, alternatively, described is straight
Line guidance part is guide rod, and the guide portion is the guide block for being formed with pilot hole.
It is laterally and vertical with respect to bottom support plate to realize top loading board using cross guiding mechanism to three axis vibratory test platforms of the invention
To movement, and using bottom support plate lifting moving, realize three axis vibration, test when, by sample to be tested, such as automobile
Soft or hard pipeline in turbine system is placed on test platform, i.e. the vibration of analog under natural conditions, is connected in equipment transmission process
Place is met using securely and reliably stable connection type, such as lead screw guide rails.Using Serve Motor Control, different vibration frequencies can be tested
Under test effect.
The frame body further includes top plate 13, and aperture corresponding with the test platform is provided on the top plate.
The setting of top plate can more simulate nature, and key component is made to carry out the vibration simulation of three axis.
Embodiment two
On the basis of the above embodiments, drive the top loading board relative to the mobile driving mechanism of bottom support plate including laterally
Driving mechanism and longitudinal driving mechanism respectively include translation driving motor 31, by translation driving motor driving reciprocating linear fortune
Dynamic slide plate 33 is provided with the cross guiding mechanism between the slide plate and top loading board.The cross guiding mechanism
One group of linear guiding portion is correspondingly arranged on the horizontal side of top loading board, and another group of corresponding linear guiding portion is vertically situated at
On slide plate 33, the linear guiding portion of transversal driving mechanism and zigzag tread patterns structure is located in two adjacent sides in top loading board side.
Cross guiding mechanism is set between slide plate and top loading board, the linear motion of the two straight line generation both vertically as well as horizontally can be met,
Guarantee going on smoothly for horizontal drive.
Specifically, the translation driving motor is fixed on the middle layer platen 12 of frame body, the slide plate with
Slide plate frame is fixedly connected, and guide rail slide block structure is provided between the slide plate frame 32 and middle layer platen, and the translation drives electricity
The machine slide plate frame linear reciprocating motion described by leadscrew-nut mechanism driving, wherein the slide plate frame is open end and institute
The U-shaped frame that the slide plate stated is fixedly connected, U-shaped set up contain lead screw wherein in respect of effect, improve safety when operation.
Embodiment three
On the basis of the above embodiments, the driving mechanism for driving the bottom support plate to move up and down includes being fixed at
Lifting driving motor 2 on the bottom platform board of frame body drives the crane moved up and down by the lifting driving motor, described
Bottom support plate be fixed on the crane, guide rail slide block structure is provided between the crane and middle layer platen, it is described
Lifting driving motor back and forth moved up and down by the leadscrew-nut mechanism driving crane.Meanwhile further include with it is described
Lifting driving motor and the controller that controllably connects of translation driving motor.Further, also settable by above controller control
The vibration excitor of system, the vibration excitor are arranged on top loading board, are arranged between top loading board and testpieces to provide low frequency or high frequency
Vibration, can overlap four kinds of vibrations, more real simulation, especially automobile appliance in this way, can be in the vibration simulation of the form of progress
While, the operating conditions such as also stackable engine vibration improve detection precision.
The present invention is mainly cooperated by motor, screw rod, guide rail, shake table and is completed, and vibration frequency is adjustable, uniaxial displacement
Positive and negative 50mm is even more big, is controlled by electricity fully and can ensure that its safety, is controlled using driver procedure servo motor, it is ensured that
The stabilization of data, true and accuracy.And scalability is strong, can arbitrarily install workpiece additional on shaking platform as vibration source, such as
It installs high-frequency vibrator additional, further expands its application.
The control method of the three axis vibratory test platforms, includes the following steps,
1) testpieces is partially or fully placed on the top loading board；
2) three-dimensional motion is driven, while starting vibration excitor carries out compound motion superposition when needed；
3) reach presumptive test condition, such as predetermined time, terminate test.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of three-axis vibration test platform, it is characterised in that: including frame body, the bottom support plate that is driven upward-downward translation, be arranged in institute
Above the bottom support plate stated and it is driven the top loading board of bottom support plate translation that can be relatively described, is fixed on the top loading board
Test platform and cross guiding mechanism, the cross guiding mechanism include be correspondingly arranged at described two groups it is perpendicular and
Spaced linear guiding portion, the intermediate plate between two groups of linear guiding portions, and it is separately positioned on the centre
Guide portion on the two sides of plate and with the linear guiding portion corresponding matching, is provided between the bottom support plate and top loading board
Cross guiding mechanism.
2. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: the linear guiding portion is straight line
Guide rail, the guide portion are sliding block.
3. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: the linear guiding portion is to lead
Bar, the guide portion are the guide block for being formed with pilot hole.
4. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: drive the top loading board bottom of with respect to
The mobile driving mechanism of support plate includes transversal driving mechanism and longitudinal driving mechanism, translation driving motor is respectively included, by putting down
The slide plate of dynamic driving motor driving linear reciprocating motion, is provided with the cross Guiding machine between the slide plate and top loading board
Structure.
5. a kind of three-axis vibration test platform according to claim 4, it is characterised in that: the translation driving motor is fixed
It is arranged on the middle layer platen of frame body, the slide plate is fixedly connected with slide plate frame, is set between the slide plate frame and middle layer platen
It is equipped with guide rail slide block structure, the translation driving motor is transported by the leadscrew-nut mechanism driving slide plate frame reciprocating linear
It is dynamic.
6. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: the slide plate frame be open end with
The U-shaped frame that the slide plate is fixedly connected.
7. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: drive and moved down on the bottom support plate
Dynamic driving mechanism includes the lifting driving motor being fixed on the bottom platform board of frame body, by the lifting driving motor
The crane moved up and down is driven, the bottom support plate is fixed on the crane.
8. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: the crane and middle layer platen
Between be provided with guide rail slide block structure, the lifting driving motor by crane described in leadscrew-nut mechanism driving it is reciprocal on
Lower movement.
9. a kind of three-axis vibration test platform according to claim 1, it is characterised in that: further include setting in top loading board and examination
It tests between part to provide the vibration excitor of low frequency or high-frequency vibration.
10. a kind of control method such as the described in any item three axis vibratory test platforms of claim 9, which is characterized in that including with
Lower step,
1) testpieces is partially or fully placed on the top loading board；
2) three-dimensional motion is driven, while starting vibration excitor carries out compound motion superposition when needed；
3) reach presumptive test condition, terminate test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644613.3A CN109540444A (en) | 2018-12-29 | 2018-12-29 | Three-axis vibration test platform and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811644613.3A CN109540444A (en) | 2018-12-29 | 2018-12-29 | Three-axis vibration test platform and control method |
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| Publication Number | Publication Date |
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| CN109540444A true CN109540444A (en) | 2019-03-29 |
Family
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174169A (en) * | 2019-05-29 | 2019-08-27 | 吉林建筑大学 | A kind of remote sensing translation device |
| CN111256929A (en) * | 2020-02-23 | 2020-06-09 | 胡增永 | Electric automobile ECU rapid detection equipment |
| CN111999026A (en) * | 2020-08-05 | 2020-11-27 | 天津格特斯检测设备技术开发有限公司 | Method for testing pipe fitting by adopting dual-system servo pulse high-frequency vibration testing equipment |
| CN112033625A (en) * | 2020-08-05 | 2020-12-04 | 天津格特斯检测设备技术开发有限公司 | High-frequency displacement adjusting mechanism and high-frequency vibration device with same |
| CN113671354A (en) * | 2021-09-03 | 2021-11-19 | 贝兹维仪器(苏州)有限公司 | Circuit board testing device of logging-while-drilling instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174169A (en) * | 2019-05-29 | 2019-08-27 | 吉林建筑大学 | A kind of remote sensing translation device |
| CN111256929A (en) * | 2020-02-23 | 2020-06-09 | 胡增永 | Electric automobile ECU rapid detection equipment |
| CN111999026A (en) * | 2020-08-05 | 2020-11-27 | 天津格特斯检测设备技术开发有限公司 | Method for testing pipe fitting by adopting dual-system servo pulse high-frequency vibration testing equipment |
| CN112033625A (en) * | 2020-08-05 | 2020-12-04 | 天津格特斯检测设备技术开发有限公司 | High-frequency displacement adjusting mechanism and high-frequency vibration device with same |
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| CN113671354A (en) * | 2021-09-03 | 2021-11-19 | 贝兹维仪器(苏州)有限公司 | Circuit board testing device of logging-while-drilling instrument |
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