CN102519697B - Triaxial vibration testing device with integral base - Google Patents
Triaxial vibration testing device with integral base Download PDFInfo
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- CN102519697B CN102519697B CN201110457914.7A CN201110457914A CN102519697B CN 102519697 B CN102519697 B CN 102519697B CN 201110457914 A CN201110457914 A CN 201110457914A CN 102519697 B CN102519697 B CN 102519697B
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Abstract
A triaxial vibration testing device with an integral base is provided with a worktable. The worktable is connected with a moving coil table of a Z-axis electric vibrating table on a vertical Z axis, is connected with a moving coil table of an X-axis electric vibrating table on a horizontal X axis, and is connected with a moving coil table of a Y-axis electric vibrating table on a horizontal Y axis. The triaxial vibration testing device with the integral base is characterized in that a magnetic cylinder component of the Z-axis electric vibrating table expands to form a base horizontally, and table bodies of the X-axis electric vibrating table and the Y-axis electric vibrating table are fixed on the top surface of the base. During installation, the base (namely the magnetic cylinder component of the Z-axis electric vibrating table) is connected with a foundation directly or contacts with the foundation through a damping device, connecting links on the Z axis are minimized, the height difference from the top surface of the base to the worktables can be calculated during design, the installation height of the X-axis electric vibrating table/Y-axis electric vibrating table can be determined according to the height difference, and accordingly difficulty in installation and debugging is reduced greatly.
Description
Technical field
The present invention relates to dynamic environmental test equipment, be specifically related to a kind of three-axis vibration test apparatus.This three-axis vibration test apparatus can be used for simulating each axle vibration environment of vibration separately, also can be used for simulating the compound vibration environment that three axles vibrate simultaneously.
Background technology
The object of vibration environment test is the Environmental Virbration Influence that manual simulation's test specimen may be subjected in transportation, storage, use procedure in testing laboratory, and examines its adaptability.When the stress that causes when vibration is excessive, can make structure generation crackle even rupture, more obvious under resonance state especially.Random vibration, due to the accumulated damage that alterante stress produces, can make structure generation fatigure failure for a long time.Vibration also can cause contact bad, and band electrical component is in contact with one another or opens circuit, and solder joint is thrown off, wire fracture and produce forceful electric power noise etc., thereby destroy the normal work of product, make properties of product decline, malfunctioning or break down.
The natural vibration that product stands under actual condition is multivariant compound vibration, for the resistance to shock of actual response product, simulates natural vibration environment, and people have attempted designing three test units that axially simultaneously vibrate through for many years.At present, three-axial vibration test unit has disclosed multiple both at home and abroad, the general structure of these test units is as shown in Figure 1: comprise that one for installing the work top 1 of test specimen, take work top 1 as benchmark is at X, Y, the axially upper each layout electric vibration table of Z tri-, there is X axis electric vibration table 3, Y-axis electric vibration table 2 and Z-axis direction electric vibration table 4, between the moving-coil of work top 1 and each electric vibration table, through passing the decoupling mechanism 5 that shakes, be connected, the shake effect of decoupling mechanism 5 of biography is to form on axially and be rigidly connected at this, the exciting force of electric vibration table is passed on work top 1, and another two axially on decoupling zero.X axis electric vibration table 3, Y-axis electric vibration table 2 and Z-axis direction electric vibration table 4 are independently electric vibration table, every stage body that electric vibration table consists of magnetic cylinder parts, central magnetic pole, field coil, and the moving-coil being arranged in stage body forms, magnetic cylinder parts consist of top crown, magnetic cylinder ring, bottom crown again, the stage body of these electric vibration tables is connected respectively on a base plate, thereby has following defect:
1, connection is firm not, and globality is inadequate; When vibration test, because the globality connecting is inadequate, can be to other vibrations axially cause interference, the precision of impact test.Even equipment is caused damage;
2, can not whole Transporting, can only on-the-spotly install; The each axial electric vibration table of composition three shaft vibrations to be connected on same work top, need to guarantee the positional precision of each axial electric vibration table, require very highly, during installation, will repeatedly adjust, very loaded down with trivial details, the installation accuracy of final integral is because connecting link is too much difficult to guarantee;
3, whole height is high.
Summary of the invention
The object of the invention is to provide a kind of three-axis vibration test apparatus with integrated base, to solve each axial vibration, disturb, and installation accuracy require high, loaded down with trivial details technical matters is installed.
For achieving the above object, the technical solution used in the present invention is: a kind of three-axis vibration test apparatus with integrated base, there is a work top, this work top connects the moving-coil table top of Z-axis direction electric vibration table through the first biography decoupling mechanism that shakes in vertical Z-axis direction, on the X axis of level, through the second biography decoupling mechanism that shakes, connect the moving-coil table top of X axis electric vibration table, in the Y-axis of level, through the 3rd, pass the moving-coil table top that the decoupling mechanism that shakes connects Y-axis electric vibration table; Magnetic cylinder parts in the stage body of described Z-axis direction electric vibration table are expanded in the horizontal direction to extend and are formed a pedestal, the end face of this pedestal is used for carrying described X axis electric vibration table and Y-axis electric vibration table, and the stage body of the stage body of X axis electric vibration table and Y-axis electric vibration table is fixedly installed on the end face of this pedestal.
Related content in above-mentioned two technical schemes is explained as follows:
1, in such scheme, Z-axis direction electric vibration table can be one or more, and many Z-axis direction electric vibration tables are set up in parallel mutually under work top; X axis electric vibration table and Y-axis electric vibration table can be also one or many arranged side by side mutually.
Separately, described " X axis of level " and " Y-axis of level " refer on surface level two perpendicular axially.
2, in such scheme, described magnetic cylinder parts consist of top crown, magnetic cylinder ring and bottom crown, the top crown of Z-axis direction electric vibration table and bottom crown are expanded extension in the horizontal direction, and between top crown and bottom crown, be connected with vertical supporting post or bearing rib, with this top crown, bottom crown and vertical supporting post or bearing rib, form described pedestal.
3, in such scheme, described magnetic cylinder parts consist of top crown, magnetic cylinder ring and bottom crown, and the magnetic cylinder ring of Z-axis direction electric vibration table is expanded in the horizontal direction and extended into a plate body, and this plate body forms described pedestal.
4,, in such scheme, described " biography shake decoupling mechanism " is prior art, can adopt cross guide rail pair, static pressure surface bearing or two ball pivot fittings etc.
Design concept of the present invention is: inventor sums up manufacturing and designing and Installation and Debugging empirical discovery of three-axis vibration test apparatus for many years: the installation of three-axis vibration test apparatus is take the axial electric vibration table of vertical Z as benchmark, while installing, Z-axis direction electric vibration table must be first installed, then on Z-axis direction dynamoelectric oscillating table movable coil table-board, connect and pass shake decoupling mechanism and work top, determine after the height of work top, could come install and adjust X axis electric vibration table and Y-axis electric vibration table according to the height of work top.Therefore, inventor directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z to expand to a pedestal, X axis electric vibration table and Y-axis electric vibration table are all arranged on this pedestal, the i.e. base using this pedestal as whole device, thereby the stage body of Z-axis direction electric vibration table, X axis electric vibration table and Y-axis electric vibration table is coupled together, make it into as a whole.And, pedestal during installation (the magnetic cylinder parts of Z-axis direction electric vibration table) is directly installed over the ground, it is minimum that connecting link in Z-axis direction has reduced to, during design, can calculate the end face of pedestal to the difference in height of work top, by this difference in height, just can determine the setting height(from bottom) needing between X axis electric vibration table/Y-axis electric vibration table and pedestal, determining of these critical sizes, greatly reduces the difficulty of Installation and Debugging.
Compared with prior art, advantage of the present invention has:
1, because the present invention directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z to expand to a pedestal, base using this pedestal as whole device, thereby the stage body of Z-axis direction electric vibration table, X axis electric vibration table and Y-axis electric vibration table is coupled together, become as a whole, during work, the stage body of Z-axis direction electric vibration table, X axis electric vibration table and Y-axis electric vibration table together vibrates, mutual alignment can not change, thereby avoided interference to amplitude peak, guaranteed test accuracy.
2, because the present invention directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z to expand to a pedestal, base using this pedestal as whole device, thereby using Z-axis direction electric vibration table as benchmark, make the Installation and Debugging of system have a not too easily benchmark for variation, reduced Installation and Debugging difficulty.
3, because the present invention directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z to expand to a pedestal, connection that need not be other, thereby reduced whole height, generally can reduce height more than 300mm.
4, because the present invention directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z to expand to a pedestal, the base using this pedestal as whole device, whole device can integral shift, after moving without readjusting.
Accompanying drawing explanation
The structural upright schematic diagram that accompanying drawing 1 is prior art;
The master that accompanying drawing 2 is the embodiment of the present invention one looks schematic diagram;
Accompanying drawing 3 is the schematic top plan view of accompanying drawing 2;
Accompanying drawing 4 is the schematic perspective view of the stage body of the Z-axis direction electric vibration table of the embodiment of the present invention one;
The master that accompanying drawing 5 is the embodiment of the present invention two looks simplified schematic diagram;
Accompanying drawing 6 is accompanying drawing 5 overlooks simplified schematic diagram.
In above accompanying drawing: 1, work top; 2, Y-axis electric vibration table; 3, X axis electric vibration table; 4, Z-axis direction electric vibration table; 5, pass the decoupling mechanism that shakes; 11, work top; 12, first pass the decoupling mechanism that shakes; 13, Z-axis direction electric vibration table; 14, second pass the decoupling mechanism that shakes; 15, X axis electric vibration table; 16, the 3rd pass the decoupling mechanism that shakes; 17, Y-axis electric vibration table; 18, pedestal; 19, top crown; 20, magnetic cylinder ring; 21, bottom crown; 22, vertical supporting gusset; 23, trunnion base; 24, the moving-coil of Z-axis direction electric vibration table.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-: shown in accompanying drawing 2～4:
A kind of three-axis vibration test apparatus with integrated base, there is a work top 11, this work top 11 connects the moving-coil table top of a Z-axis direction electric vibration table 13 through the first biography decoupling mechanism 12 that shakes in vertical Z-axis direction, on the X axis of level, through the second biography decoupling mechanism 14 that shakes, connect the moving-coil table top of an X axis electric vibration table 15, in the Y-axis of level, through the 3rd, pass the moving-coil table top that the decoupling mechanism 16 that shakes connects Y-axis electric vibration table 17.
Magnetic cylinder parts in the stage body of described Z-axis direction electric vibration table 13 are expanded in the horizontal direction to extend and are formed a pedestal 18, the end face of this pedestal 18 is used for carrying described X axis electric vibration table 15 and Y-axis electric vibration table 17, and the stage body of X axis electric vibration table 15 and Y-axis electric vibration table 17 is all fixedly installed on the end face of this pedestal 18.
Specifically, as shown in accompanying drawing 2 and accompanying drawing 4, described magnetic cylinder parts consist of top crown 19, magnetic cylinder ring 20 and bottom crown 21, top crown 19 and bottom crown 21 are expanded extension in the horizontal direction, and between top crown 19 and bottom crown 21, be connected with vertical supporting gusset 22, with this top crown 19, bottom crown 21 and vertical supporting gusset 22, form pedestal 18.
And X axis electric vibration table 15 and Y-axis electric vibration table 17 are fixed on the end face of pedestal 18 by trunnion base 23.
In the present embodiment, pedestal 18 is as the base of whole device, by Z-axis direction electric vibration table 13, the stage body of X axis electric vibration table 15 and Y-axis electric vibration table 17 couples together, the magnetic cylinder parts of pedestal 18(Z-axis direction electric vibration table 13 during installation) directly installation (can be to be specifically fixed on ground or by shock attenuation device to be connected with ground) over the ground, during design, can determine that the end face of pedestal 18 is to the difference in height of work top 11, by this difference in height, just can determine X axis electric vibration table 15, the height of the trunnion base 23 between Y-axis electric vibration table 17 and pedestal 18, these critical sizes are all determined one by one when design, make to install and become very simple.
The present embodiment can also have following variation when specific implementation: can not extend top crown 19 and bottom crown 21, and magnetic cylinder ring 20 is expanded in the horizontal direction, extend into a plate body, this plate body forms described pedestal 18, and it also can reach identical effect.
If first passes the decoupling mechanism 12 of shaking, second, pass shake decoupling mechanism 14 and the 3rd biography decoupling mechanism 16 that shakes and adopt cross guide rail pair or static pressure surface bearing, the present embodiment vibration testing device is a three-axial vibration set composite, if and first pass the decoupling mechanism 12 of shaking, second and pass shake decoupling mechanism 14 and the 3rd biography decoupling mechanism 16 that shakes and adopt two ball pivot fittings, the present embodiment vibration testing device is a Triaxiality and six degrees of freedom vibrating composite apparatus.
Embodiment bis-: shown in accompanying drawing 5, accompanying drawing 6:
A kind of three-axis vibration test apparatus with integrated base, be with the difference of embodiment mono-: work top 11 is respectively connected the moving-coil table top of four Z-axis direction electric vibration tables 13 through the first biography decoupling mechanism 12 that shakes in vertical Z-axis direction, at the X axis of level, respectively through the second biography decoupling mechanism 14 that shakes, connect the moving-coil table top of two X axis electric vibration tables 15, in the Y-axis of level, respectively through the 3rd, pass the moving-coil table top that the decoupling mechanism 16 that shakes connects two Y-axis electric vibration tables 17.And the top crown 19 of four Z-axis direction electric vibration tables 13 is integrated itself, and the bottom crown 21 of four Z-axis direction electric vibration tables 13 also itself is integrated, and this top crown 19 and bottom crown 21 are expanded in the horizontal direction to extend and formed pedestal 18.
Other,, with embodiment mono-, repeat no more here.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (1)
1. one kind has the three-axis vibration test apparatus of integrated base, there is a work top, this work top connects the moving-coil table top of Z-axis direction electric vibration table through the first biography decoupling mechanism that shakes in vertical Z-axis direction, on the X axis of level, through the second biography decoupling mechanism that shakes, connect the moving-coil table top of X axis electric vibration table, in the Y-axis of level, through the 3rd, pass the moving-coil table top that the decoupling mechanism that shakes connects Y-axis electric vibration table; It is characterized in that: the magnetic cylinder parts in the stage body of described Z-axis direction electric vibration table are expanded in the horizontal direction to extend and formed a pedestal, the end face of this pedestal is used for carrying described X axis electric vibration table and Y-axis electric vibration table, and the stage body of the stage body of X axis electric vibration table and Y-axis electric vibration table is fixedly installed on the end face of this pedestal; Described magnetic cylinder parts consist of top crown, magnetic cylinder ring and bottom crown, the top crown of Z-axis direction electric vibration table and bottom crown are expanded extension in the horizontal direction, and between top crown and bottom crown, be connected with vertical supporting post or bearing rib, with this top crown, bottom crown and vertical supporting post or bearing rib, form described pedestal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110457914.7A CN102519697B (en) | 2011-12-31 | 2011-12-31 | Triaxial vibration testing device with integral base |
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| CN201110457914.7A CN102519697B (en) | 2011-12-31 | 2011-12-31 | Triaxial vibration testing device with integral base |
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| CN102519697A CN102519697A (en) | 2012-06-27 |
| CN102519697B true CN102519697B (en) | 2014-05-07 |
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| CN102865987B (en) * | 2012-09-17 | 2015-01-07 | 苏州苏试试验仪器股份有限公司 | Plane static pressure type vibration transferring and decoupling device and tri-axial vibration composite experiment table |
| CN103048108B (en) * | 2012-12-27 | 2015-10-21 | 苏州长菱测试技术有限公司 | Be applied to Novel connecting mechanism and the method for multiaxis vibration test macro |
| CN104458179B (en) * | 2014-11-20 | 2017-05-10 | 北京卫星环境工程研究所 | Four-table shunt excitation perpendicular vibration test system with expansion table board |
| CN106248198A (en) * | 2016-08-18 | 2016-12-21 | 重庆建设工业(集团)有限责任公司 | Three axle intermediate frequency vibration standard devices |
| CN107271129B (en) * | 2017-05-03 | 2019-03-12 | 北京航天控制仪器研究所 | A kind of vibration testing method of accurate power transmitting device |
| CN110243563B (en) * | 2019-07-04 | 2021-03-23 | 中国航空综合技术研究所 | Three-axial six-freedom vibration test device |
| CN110806298B (en) * | 2019-10-22 | 2021-06-11 | 北京航天希尔测试技术有限公司 | Electrically-excited six-degree-of-freedom vibration test device |
| CN112067221B (en) * | 2020-09-14 | 2022-07-19 | 浙江埃特斯力试验设备有限公司 | A basic building frame model antidetonation testing arrangement for timber structure building |
| CN113532782A (en) * | 2021-08-03 | 2021-10-22 | 北京航天希尔测试技术有限公司 | Eight-drive six-degree-of-freedom electric vibration test device with adjustable space pose |
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| CN101299005A (en) * | 2008-05-04 | 2008-11-05 | 苏州试验仪器总厂 | Three-axis vibration test apparatus |
| CN101487765B (en) * | 2009-02-13 | 2011-07-20 | 苏州苏试试验仪器有限公司 | Three-axial vibration composite testing apparatus |
| CN202403887U (en) * | 2011-12-31 | 2012-08-29 | 苏州苏试试验仪器股份有限公司 | Three-axis vibration test device with integrated base |
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Address after: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee after: Suzhou Su test group Limited by Share Ltd Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee before: Suzhou Sushi Testing Instrument Co.,Ltd. |
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