CN102539102A - Two-shaft vibration test device with integrated base - Google Patents
Two-shaft vibration test device with integrated base Download PDFInfo
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- CN102539102A CN102539102A CN2011104598824A CN201110459882A CN102539102A CN 102539102 A CN102539102 A CN 102539102A CN 2011104598824 A CN2011104598824 A CN 2011104598824A CN 201110459882 A CN201110459882 A CN 201110459882A CN 102539102 A CN102539102 A CN 102539102A
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Abstract
The invention discloses a two-shaft vibration test device with an integrated base, which is provided with a working table, wherein the working table is connected with a moving coil table of a vertical electric vibration table through a first vibration transmitting and decoupling mechanism in the vertical direction, and is connected with a moving coil table of a horizontal electric vibration table through a second vibration transmitting and decoupling mechanism in the horizontal direction. The two-shaft vibration test device is characterized in that the magnetic cylinder part in the vertical electric vibration table body horizontally extends to form a base body, the top surface of the base body is used for bearing the horizontal electric vibration table, and the table body of the horizontal electric vibration table is arranged on the top surface of the base body. When the device is mounted, the base body, namely the magnetic cylinder part of the vertical electric vibration table is directly is connected with a foundation or contacted with the foundation through a vibration damping device; and the height difference from the top surface of the base to the working table surface can be calculated during the designing, the mounting height of the horizontal electric vibration table can be determined through the height difference, and the difficulty for mounting and debugging is greatly reduced.
Description
Technical field
The present invention relates to dynamic environmental test equipment, be specifically related to a kind of diaxon vibration testing device.This diaxon vibration testing device can be used for simulating each vibration environment of vibration separately, also can be used for the compound vibration environment that dummy level and vertical diaxon vibrate 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 two axial or three axial test units of vibration simultaneously through for many years.At present; Multiaxis vibration test unit both domestic and external has disclosed multiple; The general structure of these test units is shown in accompanying drawing 1: (is example with a three-axis vibration test apparatus) comprises that one is used to install the work top 1 of test specimen; Being benchmark with work top 1, each arranges electric vibration table on axially at X, Y, Z; Promptly have X axis electric vibration table 3, the axial electric vibration table 32 of Y and the axial electric vibration table 4 of Z, is connected through passing the decoupling mechanism 5 that shakes between the moving-coil of work top 1 and each electric vibration table, the effect that passes the decoupling mechanism 5 that shakes is on this is axial, to constitute to be rigidly connected; The exciting force of electric vibration table is passed on the work top 1, and other two axially 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 two 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 diaxon vibration testing device with integrated base, with solve two axially between vibration interference, and installation accuracy require high, loaded down with trivial details technical matters is installed.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of diaxon vibration testing device with integrated base; Has a work top; This work top passes the decoupling mechanism that shakes through first in vertical direction and connects vertical moving-coil table top to electric vibration table, passes the moving-coil table top of decoupling mechanism connection level to electric vibration table that shake through second in the horizontal direction; Said vertical magnetic cylinder parts in the stage body of electric vibration table are expanded in the horizontal direction to extend and are constituted a pedestal, and the end face of this pedestal is used to carry said level to electric vibration table, and level is fixedly set on the end face of this pedestal to the stage body of electric vibration table.
Related content in above-mentioned two technical schemes is explained as follows:
1, in the such scheme, vertically can be one or more to electric vibration table, many vertically are set up in parallel under work top to electric vibration table each other; Level also can be one or many each other arranged side by side to electric vibration table.Said " vertically to electric vibration table " is meant with the electric vibration table perpendicular to the directive effect of surface level; Said " level is to electric vibration table " is meant the electric vibration table of along continuous straight runs effect.
2, in the such scheme; Said magnetic cylinder parts are made up of top crown, magnetic cylinder ring and bottom crown; Vertically expand extension in the horizontal direction to the top crown and the bottom crown of electric vibration table; 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, vertically expand extending into a plate body in the horizontal direction to electric vibration table magnetic cylinder ring, 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 diaxon vibration testing device for many years: the installation of diaxon vibration testing device with vertical be benchmark to electric vibration table; Must install earlier when promptly installing vertically to electric vibration table; Pass shake decoupling mechanism and work top in vertical on the moving-coil table top of electric vibration table, the connection then; After promptly confirming the height of good berth table top, could according to the height of work top install and the adjustment level to electric vibration table.So; The inventor expands to a pedestal with direct extension of vertical magnetic cylinder parts in the stage body of electric vibration table; Level is arranged on this pedestal to electric vibration table; Promptly with the base of this pedestal, thereby will vertically couple together to the stage body of electric vibration table, make it into as a whole to electric vibration table and level as whole device.And; Pedestal during installation (vertical magnetic cylinder parts to electric vibration table) is directly installed over the ground; Connecting link is vertically upward reduced, can calculate the difference in height of the end face of pedestal to work top during design, just can confirm the required setting height(from bottom) of level to electric vibration table 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 the present invention expands to a pedestal with direct extension of vertical magnetic cylinder parts in the stage body of electric vibration table; With the base of this pedestal, thereby level is coupled together to electric vibration table with vertical to electric vibration table, become as a whole as whole device; Vertically together vibrate to the stage body of electric vibration table during work to the stage body and the level of electric vibration table; The mutual alignment can not change, and has avoided interference to amplitude peak, has guaranteed test accuracy.
2, because the present invention expands to a pedestal with direct extension of vertical magnetic cylinder parts in the stage body of electric vibration table; With the base of this pedestal as whole device; Will be vertically to electric vibration table 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 the present invention expands to a pedestal with direct extension of vertical magnetic cylinder parts in the stage body of electric vibration table, 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 will vertical magnetic cylinder parts in the stage body of electric vibration table directly extends, 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 1 is the schematic perspective view of prior art;
Accompanying drawing 2 is looked synoptic diagram for the master of the embodiment of the invention;
Accompanying drawing 3 is the schematic top plan view of accompanying drawing 2;
Accompanying drawing 4 is the schematic perspective view of the embodiment of the invention.
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, vertically to electric vibration table; 14, second pass the decoupling mechanism that shakes; 15, level is to electric vibration table; 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, accompanying drawing 3:
A kind of diaxon vibration testing device with integrated base; Has a work top 11; (being that Z is axial) passes the decoupling mechanism 12 that shakes through first and connects one vertically to the moving-coil table top of electric vibration table 13 this work top 11 vertically upward, and make progress in level (being X axis) passes the decoupling mechanism 14 that shakes through second and connect the moving-coil table top of a level to electric vibration table 15.
Said vertical magnetic cylinder parts in the stage body of electric vibration table 13 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 level to electric vibration table 15, and level is fixedly set on the end face of this pedestal 18 to the stage body of electric vibration table 15.
Specifically; Shown in accompanying drawing 2; 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 level specifically is to be located on the pedestal 18 through trunnion base 23 fixed mounts to electric vibration table 15 stage bodies.
In the present embodiment; Pedestal 18 is as the base of whole device; The stage body of level to electric vibration table 15 coupled together with pedestal 18 (promptly vertical magnetic cylinder parts to electric vibration table 13); Pedestal 18 during installation (vertical magnetic cylinder parts to electric vibration table 13) 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; Connecting link is vertically upward reduced, can confirm the difference in height of end face to the work top 11 of pedestal 18 during design, just can confirm the required setting height(from bottom) of level to electric vibration table 15 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:
1, 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, also can reach identical effect;
2, vertically can also be many to electric vibration table 13; These many vertically are set up in parallel under work top to electric vibration table 13 each other; These vertically are structure as a whole to the magnetic cylinder Component Design of electric vibration table 13, extend with these common magnetic cylinder parts to constitute pedestal 18; And level also can be one or each other arranged side by side or relative many to electric vibration table.
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. diaxon vibration testing device with integrated base; Has a work top; This work top passes the decoupling mechanism that shakes through first in vertical direction and connects vertical moving-coil table top to electric vibration table, passes the moving-coil table top of decoupling mechanism connection level to electric vibration table that shake through second in the horizontal direction; It is characterized in that: said vertical magnetic cylinder parts in the stage body of electric vibration table are expanded in the horizontal direction to extend and are constituted a pedestal; The end face of this pedestal is used to carry said level to electric vibration table, and level is fixedly set on the end face of this pedestal to the stage body of electric vibration table.
2. the diaxon vibration testing device 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; Vertically expand extension in the horizontal direction to the top crown and the bottom crown of electric vibration table; 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 diaxon vibration testing device 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 vertical expansion in the horizontal direction to the magnetic cylinder ring of electric vibration table extends into a plate body, and this plate body constitutes said pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459882.4A CN102539102B (en) | 2011-12-31 | 2011-12-31 | Two-shaft vibration test device with integrated base |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110459882.4A CN102539102B (en) | 2011-12-31 | 2011-12-31 | Two-shaft vibration test device with integrated base |
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| CN102539102A true CN102539102A (en) | 2012-07-04 |
| CN102539102B CN102539102B (en) | 2014-08-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341999A (en) * | 2018-11-21 | 2019-02-15 | 苏州东菱振动试验仪器有限公司 | A kind of decoupling mechanism and experimental rig for dual-shaft synchronous oscillation test |
| CN111693238A (en) * | 2020-06-24 | 2020-09-22 | 苏州苏试试验集团股份有限公司 | Dual-output electric vibration table |
| CN115046782A (en) * | 2022-08-16 | 2022-09-13 | 西南交通大学 | Vibration test device |
| CN115440398A (en) * | 2022-09-13 | 2022-12-06 | 中国核动力研究设计院 | Guide rail type horizontal and vertical bidirectional excitation decoupling device |
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| GB2135063A (en) * | 1983-02-10 | 1984-08-22 | Secr Defence | Vibration testing apparatus |
| CN201096597Y (en) * | 2007-10-18 | 2008-08-06 | 苏州试验仪器总厂 | Large-sized vibration platform body combined type structure |
| CN101487765A (en) * | 2009-02-13 | 2009-07-22 | 苏州苏试试验仪器有限公司 | Three-axial vibration composite testing apparatus |
| CN201352173Y (en) * | 2009-02-16 | 2009-11-25 | 苏州苏试试验仪器有限公司 | Biaxial vibration composite tester |
| CN202403888U (en) * | 2011-12-31 | 2012-08-29 | 苏州苏试试验仪器股份有限公司 | Two-shaft vibration testing device with integrated base |
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2011
- 2011-12-31 CN CN201110459882.4A patent/CN102539102B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2135063A (en) * | 1983-02-10 | 1984-08-22 | Secr Defence | Vibration testing apparatus |
| CN201096597Y (en) * | 2007-10-18 | 2008-08-06 | 苏州试验仪器总厂 | Large-sized vibration platform body combined type structure |
| CN101487765A (en) * | 2009-02-13 | 2009-07-22 | 苏州苏试试验仪器有限公司 | Three-axial vibration composite testing apparatus |
| CN201352173Y (en) * | 2009-02-16 | 2009-11-25 | 苏州苏试试验仪器有限公司 | Biaxial vibration composite tester |
| CN202403888U (en) * | 2011-12-31 | 2012-08-29 | 苏州苏试试验仪器股份有限公司 | Two-shaft vibration testing device with integrated base |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341999A (en) * | 2018-11-21 | 2019-02-15 | 苏州东菱振动试验仪器有限公司 | A kind of decoupling mechanism and experimental rig for dual-shaft synchronous oscillation test |
| CN111693238A (en) * | 2020-06-24 | 2020-09-22 | 苏州苏试试验集团股份有限公司 | Dual-output electric vibration table |
| CN115046782A (en) * | 2022-08-16 | 2022-09-13 | 西南交通大学 | Vibration test device |
| CN115046782B (en) * | 2022-08-16 | 2022-11-04 | 西南交通大学 | Vibration test device |
| CN115440398A (en) * | 2022-09-13 | 2022-12-06 | 中国核动力研究设计院 | Guide rail type horizontal and vertical bidirectional excitation decoupling device |
| CN115440398B (en) * | 2022-09-13 | 2024-05-07 | 中国核动力研究设计院 | Guide rail type horizontal and vertical bidirectional excitation decoupling device |
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| CN102539102B (en) | 2014-08-27 |
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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. |