CN102519697A - Triaxial vibration testing device with integral base - Google Patents
Triaxial vibration testing device with integral base Download PDFInfo
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- CN102519697A CN102519697A CN2011104579147A CN201110457914A CN102519697A CN 102519697 A CN102519697 A CN 102519697A CN 2011104579147 A CN2011104579147 A CN 2011104579147A CN 201110457914 A CN201110457914 A CN 201110457914A CN 102519697 A CN102519697 A CN 102519697A
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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 vibration environment of vibration separately, also can be used for simulating three compound vibration environment of vibration simultaneously.
Background technology
The purpose of vibration environment test is the vibration environment influence that manual simulation's test specimen possibly be subjected in transportation, storage, use in testing laboratory, and examines its adaptability.The stress that causes when vibration can make structure crack when excessive even rupture, and is more obvious under resonance state especially.Random vibration is because the accumulated damage that alterante stress produces can make structure produce fatigure failure for a long time.Vibration also can cause the contact bad, and charged components and parts are in contact with one another or open circuit, and solder joint is thrown off, wire fracture and produce forceful electric power noise etc., thereby destroy the operate as normal of product, make properties of product descend, 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 the natural vibration environment, and people have attempted designing the three axial test units of vibration simultaneously through for many years.At present; The three-axial vibration test unit has disclosed multiple both at home and abroad; The general structure of these test units is shown in accompanying drawing 1: comprise that one is used to install the work top 1 of test specimen, being benchmark with work top 1 respectively arranges electric vibration table at X, Y, Z three on axially, promptly has X axis electric vibration table 3, the axial electric vibration table 2 of Y and the axial electric vibration table 4 of Z; Be connected through passing the decoupling mechanism 5 that shakes between the moving-coil of work top 1 and each electric vibration table; The shake effect of decoupling mechanism 5 of biography is to constitute on axially at this to be rigidly connected, the exciting force of electric vibration table is passed on the work top 1, and other two axial on decoupling zero.X axis electric vibration table 3, the axial electric vibration table 2 of Y and the axial electric vibration table 4 of Z are independently electric vibration table; Every stage body that electric vibration table is made up of magnetic cylinder parts, central magnetic pole, field coil; And the moving-coil that is arranged in the stage body constitutes; Magnetic cylinder parts are made up of top crown, magnetic cylinder ring, bottom crown again, and the stage body of these electric vibration tables is connected respectively on the base plate, thereby have following defective:
1, connection is firm inadequately, and globality is not enough; When vibration test because the globality that connects is not enough, can be to other vibrations axially cause interference, the precision of influence test.Even equipment caused damage;
2, can not whole Transporting, can only on-the-spotly install; To each axial electric vibration table of forming three shaft vibrations be connected on the same work top; Promptly need guarantee the positional precision of each axial electric vibration table, require very highly, will adjust repeatedly during installation; Very loaded down with trivial details, the installation accuracy of final integral is owing to connecting link too much is difficult to guarantee;
3, whole height is high.
Summary of the invention
The object of the invention provides a kind of three-axis vibration test apparatus with integrated base, disturb to solve each axial vibration, and installation accuracy requires technical matters high, that installation is loaded down with trivial details.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of three-axis vibration test apparatus with integrated base; Has a work top; This work top passes moving-coil table top that shake decoupling mechanism connect Z axial electric vibration table through first at vertical Z on axially, on the X axis of level, passes the moving-coil table top that the decoupling mechanism that shakes connects the X axis electric vibration table through second, passes moving-coil table top that shake decoupling mechanism connect Y axial electric vibration table through the 3rd at the Y of level on axially; Magnetic cylinder parts in the stage body of the axial electric vibration table of said Z are expanded in the horizontal direction to extend and are constituted a pedestal; The end face of this pedestal is used to carry said X axis electric vibration table and the axial electric vibration table of Y, and the stage body of the stage body of X axis electric vibration table and the axial electric vibration table of Y is fixedly set on the end face of this pedestal.
Related content in above-mentioned two technical schemes is explained as follows:
1, in the such scheme, the axial electric vibration table of Z can be one or more, and many axial electric vibration tables of Z are set up in parallel each other under work top; The axial electric vibration table of X axis electric vibration table and Y also can be one or many each other arranged side by side.
In addition, said " X axis of level " and " Y of level is axial " are meant perpendicular axial of two on the surface level.
2, in the such scheme; Said magnetic cylinder parts are made up of top crown, magnetic cylinder ring and bottom crown; The top crown of the axial electric vibration table of Z and bottom crown are expanded extension in the horizontal direction; And between top crown and bottom crown, be connected with vertical support column or bearing rib, constitute said pedestal with this top crown, bottom crown and vertical support column or bearing rib.
3, in the such scheme, said magnetic cylinder parts are made up of top crown, magnetic cylinder ring and bottom crown, and the magnetic cylinder ring of the axial electric vibration table of Z is expanded in the horizontal direction and extended into a plate body, and this plate body constitutes said pedestal.
4, in the such scheme, said " biography shake decoupling mechanism " is prior art, can adopt that cross guide rail is secondary, static pressure surface bearing or two ball pivot fittings etc.
Design concept of the present invention is: the inventor sums up manufacturing and designing and the Installation and Debugging empirical discovery of three-axis vibration test apparatus for many years: the installation of three-axis vibration test apparatus is a benchmark with the axial electric vibration table of vertical Z; When promptly installing the axial electric vibration table of Z must be installed earlier; On the axial electric jigging platform moving coil table top of Z, connect then and pass shake decoupling mechanism and work top; After promptly confirming the height of good berth table top, could install and adjust X axis electric vibration table and the axial electric vibration table of Y according to the height of work top.So; The inventor expands to a pedestal with direct extension of the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z; X axis electric vibration table and the axial electric vibration table of Y all are arranged on this pedestal; Promptly with the base of this pedestal, thereby the stage body of the axial electric vibration table of Z, X axis electric vibration table and the axial electric vibration table of Y is coupled together, make it into as a whole as whole device.And; Pedestal during installation (the magnetic cylinder parts of the axial electric vibration table of Z) is directly installed over the ground; Connecting link on Z is axial has reduced to minimum, can calculate the difference in height of the end face of pedestal to work top during design, just can confirm the setting height(from bottom) that needs between axial electric vibration table of X axis electric vibration table/Y and pedestal through this difference in height; Confirming of these critical sizes greatly reduces the difficulty of Installation and Debugging.
Compared with prior art, advantage of the present invention has:
1, because directly extending the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z, the present invention expands to a pedestal; With the base of this pedestal as whole device; Thereby the stage body of the axial electric vibration table of Z, X axis electric vibration table and the axial electric vibration table of Y is coupled together; Become as a whole, the stage body of the axial electric vibration table of Z, X axis electric vibration table and the axial electric vibration table of Y together vibrates during work, and the mutual alignment can not change; Thereby avoided interference to amplitude peak, guaranteed test accuracy.
2, because directly extending the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z, the present invention expands to a pedestal; With the base of this pedestal as whole device; Thereby with the axial electric vibration table of Z as benchmark; Make the Installation and Debugging of system that a benchmark of change not too easily arranged, reduced the Installation and Debugging difficulty.
3, because directly extending the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z, the present invention expands to a pedestal, connection that need not be other, thereby reduced whole height, generally can reduce the above height of 300mm.
4, expand to a pedestal because the present invention directly extends the magnetic cylinder parts in the stage body of the axial electric vibration table of vertical Z, with the base of this pedestal as whole device, whole device can integral shift, need not to readjust after moving.
Description of drawings
Accompanying drawing 2 is looked synoptic diagram for the master of the embodiment of the invention one;
Accompanying drawing 3 is the schematic top plan view of accompanying drawing 2;
Accompanying drawing 4 is the schematic perspective view of stage body of the axial electric vibration table of Z of the embodiment of the invention one;
Accompanying drawing 5 is looked simplified schematic diagram for the master of the embodiment of the invention two;
Accompanying drawing 6 is the simplified schematic diagram of overlooking of accompanying drawing 5.
In the above accompanying drawing: 1, work top; 2, the axial electric vibration table of Y; 3, X axis electric vibration table; 4, the axial electric vibration table of Z; 5, pass the decoupling mechanism that shakes; 11, work top; 12, first pass the decoupling mechanism that shakes; 13, the axial electric vibration table of Z; 14, second pass the decoupling mechanism that shakes; 15, X axis electric vibration table; 16, the 3rd pass the decoupling mechanism that shakes; 17, the axial electric vibration table of Y; 18, pedestal; 19, top crown; 20, magnetic cylinder ring; 21, bottom crown; 22, vertical bearing rib; 23, trunnion base; 24, the moving-coil of the axial electric vibration table of Z.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment one: shown in accompanying drawing 2~4:
A kind of three-axis vibration test apparatus with integrated base; Has a work top 11; This work top 11 passes the moving-coil table top that the decoupling mechanism 12 that shakes connects the axial electric vibration table 13 of Z through first on vertical Z is axial; On the X axis of level, pass the moving-coil table top that the decoupling mechanism 14 that shakes connects an X axis electric vibration table 15 through second, pass the moving-coil table top that the decoupling mechanism 16 that shakes connects the axial electric vibration table 17 of Y through the 3rd on axially at the Y of level.
Magnetic cylinder parts in the stage body of the axial electric vibration table 13 of said Z are expanded in the horizontal direction to extend and are constituted a pedestal 18; The end face of this pedestal 18 is used to carry said X axis electric vibration table 15 and the axial electric vibration table 17 of Y, and the stage body of X axis electric vibration table 15 and the axial electric vibration table 17 of Y all is fixedly set on the end face of this pedestal 18.
Specifically; Shown in accompanying drawing 2 and accompanying drawing 4; Said magnetic cylinder parts are made up of top crown 19, magnetic cylinder ring 20 and bottom crown 21; Top crown 19 is expanded extension in the horizontal direction with bottom crown 21, and is connected with vertical bearing rib 22 at top crown 19 and 21 of bottom crowns, constitutes pedestal 18 with this top crown 19, bottom crown 21 and vertical bearing rib 22.
And X axis electric vibration table 15 is fixed on the end face of pedestal 18 through trunnion base 23 with the axial electric vibration table 17 of Y.
In the present embodiment; Pedestal 18 is as the base of whole device; The stage body of the axial electric vibration table of Z 13, X axis electric vibration table 15 and the axial electric vibration table 17 of Y is coupled together; Pedestal 18 during installation (the magnetic cylinder parts of the axial electric vibration table 13 of Z) is directly installed (specifically can be to be fixed on the ground or through shock attenuation device to be connected with ground) over the ground, can confirm the difference in height of end face to the work top 11 of pedestal 18 during design, just can confirm the height of the trunnion base 23 of 18 of X axis electric vibration table 15, the axial electric vibration table 17 of Y and pedestals through this difference in height; These critical sizes are all confirmed when design one by one, make to install to become very simple.
Present embodiment can also have following variation when concrete the realization: can not extend top crown 19 and bottom crown 21, extend into a plate body and magnetic cylinder ring 20 expanded in the horizontal direction, this plate body constitutes said pedestal 18, and it also can reach identical effect.
Embodiment two: 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 one: each passes the moving-coil table top that the decoupling mechanism 12 that shakes is connected four axial electric vibration tables 13 of Z through first to work top 11 on vertical Z is axial; Each warp second of X axis in level passes the moving-coil table top that the decoupling mechanism 14 that shakes connects two X axis electric vibration tables 15, passes the moving-coil table top that the decoupling mechanism 16 that shakes connects two axial electric vibration tables 17 of Y at axial each warp the 3rd of the Y of level.And 19 of the top crowns of four axial electric vibration tables 13 of Z are as one, and the bottom crown 21 of four axial electric vibration tables 13 of Z also this is as one, this top crown 19 expand in the horizontal direction with bottom crown 21 and is extended formation pedestal 18.
Other repeat no more with embodiment one here.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. three-axis vibration test apparatus with integrated base; Has a work top; This work top passes the moving-coil table top that the decoupling mechanism that shakes connects the axial electric vibration table of Z through first on vertical Z is axial; On the X axis of level, pass the moving-coil table top that the decoupling mechanism that shakes connects the X axis electric vibration table through second, pass the moving-coil table top that the decoupling mechanism that shakes connects the axial electric vibration table of Y through the 3rd on axially at the Y of level; It is characterized in that: the magnetic cylinder parts in the stage body of the axial electric vibration table of said Z are expanded in the horizontal direction to extend and are constituted a pedestal; The end face of this pedestal is used to carry said X axis electric vibration table and the axial electric vibration table of Y, and the stage body of the stage body of X axis electric vibration table and the axial electric vibration table of Y is fixedly set on the end face of this pedestal.
2. the three-axis vibration test apparatus with integrated base according to claim 1; It is characterized in that: said magnetic cylinder parts are made up of top crown, magnetic cylinder ring and bottom crown; The top crown of the axial electric vibration table of Z and bottom crown are expanded extension in the horizontal direction; And between top crown and bottom crown, be connected with vertical support column or bearing rib, constitute said pedestal with this top crown, bottom crown and vertical support column or bearing rib.
3. the three-axis vibration test apparatus with integrated base according to claim 1; It is characterized in that: said magnetic cylinder parts are made up of top crown, magnetic cylinder ring and bottom crown; The magnetic cylinder ring of the axial electric vibration table of Z is expanded in the horizontal direction and is extended into a plate body, and this plate body constitutes said pedestal.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102865987A (en) * | 2012-09-17 | 2013-01-09 | 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 |
CN103048108A (en) * | 2012-12-27 | 2013-04-17 | 苏州长菱测试技术有限公司 | Novel connecting mechanism applied to multi-axial vibration testing system and method thereof |
CN104458179A (en) * | 2014-11-20 | 2015-03-25 | 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 |
CN107271129A (en) * | 2017-05-03 | 2017-10-20 | 北京航天控制仪器研究所 | A kind of vibration testing method of accurate power transmitting device |
CN110243563A (en) * | 2019-07-04 | 2019-09-17 | 中国航空综合技术研究所 | Three axial six-freedom degree vibration test apparatus |
CN112067221A (en) * | 2020-09-14 | 2020-12-11 | 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 |
WO2021078044A1 (en) * | 2019-10-22 | 2021-04-29 | 北京航天希尔测试技术有限公司 | Electrically excited six-degrees-of-freedom vibration test device |
WO2023011214A1 (en) * | 2021-08-03 | 2023-02-09 | 北京航天希尔测试技术有限公司 | Eight-drive six-degrees-of-freedom electric vibration testing device having adjustable spatial pose |
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CN300951465S (en) * | 2008-06-13 | 2009-07-01 | 苏州苏试试验仪器有限公司 | Three-axis simultaneous vibration electric vibration system |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102865987A (en) * | 2012-09-17 | 2013-01-09 | 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 |
CN103048108A (en) * | 2012-12-27 | 2013-04-17 | 苏州长菱测试技术有限公司 | Novel connecting mechanism applied to multi-axial vibration testing system and method thereof |
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 |
CN104458179A (en) * | 2014-11-20 | 2015-03-25 | 北京卫星环境工程研究所 | Four-table shunt excitation perpendicular vibration test system with expansion table board |
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 |
CN107271129A (en) * | 2017-05-03 | 2017-10-20 | 北京航天控制仪器研究所 | A kind of vibration testing method of accurate power transmitting device |
CN110243563A (en) * | 2019-07-04 | 2019-09-17 | 中国航空综合技术研究所 | Three axial six-freedom degree vibration test apparatus |
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 |
WO2021078044A1 (en) * | 2019-10-22 | 2021-04-29 | 北京航天希尔测试技术有限公司 | Electrically excited six-degrees-of-freedom vibration test device |
CN112067221A (en) * | 2020-09-14 | 2020-12-11 | 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 |
WO2023011214A1 (en) * | 2021-08-03 | 2023-02-09 | 北京航天希尔测试技术有限公司 | Eight-drive six-degrees-of-freedom electric vibration testing device having adjustable spatial pose |
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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. |