CN104075863A - Vibration and centrifugation composite-testing equipment - Google Patents
Vibration and centrifugation composite-testing equipment Download PDFInfo
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- CN104075863A CN104075863A CN201410347486.6A CN201410347486A CN104075863A CN 104075863 A CN104075863 A CN 104075863A CN 201410347486 A CN201410347486 A CN 201410347486A CN 104075863 A CN104075863 A CN 104075863A
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Abstract
Vibration and centrifugation composite-testing equipment is characterized by comprising a centrifuge and an air-cooling electric vibrating table, wherein the centrifuge comprises a base, a rotating arm and a driving device; both ends of the rotating arm extend outwards; one end of the rotating arm serves as a load end; the other end of the rotating arm is provided with a balance weight to serve as a balance end; an electric brush is arranged in the center of rotation of the rotating arm; the air-cooling electric vibrating table comprises a vibrating table main unit and a blower; the vibrating table main unit is arranged at the load end of the rotating arm; the blower is arranged at the middle section of the rotating arm and is connected with the vibrating table main unit through a hard pipe; the vibrating table main unit is connected with the electric brush through a conductor group fixed on the rotating arm so as to be connected with a power supply and input/output control signals through the electric brush. The vibration and centrifugation composite-testing equipment adopts a design of integration of the centrifuge and the air-cooling electric vibrating table and ensures that a test piece can receive the actions of vibration force and centrifugal force, thereby achieving the purpose of carrying out vibration and centrifugation composite testing and filling a gap in the field.
Description
Technical field
The present invention relates to a kind of compound mechanics environmental test equipment, be specifically related to a kind of vibration, centrifugal compound testing equipment.This equipment is mainly used in the products such as each electron-like to containing vibration, centrifugal factor in working environment, machinery and equipment can provide vibration, centrifugal compound experimental enviroment simultaneously, and the design of product to be measured, exploitation, each stage such as process, dispatch from the factory are tested.
Background technology
In the actual use of all kinds of civilian, military use products, product all needs in the face of certain environmental baseline, generally includes vibration, the factor such as centrifugal.All kinds of environmental factors all can produce corresponding environmental stress to product, and this actual use for product is disadvantageous.Wherein the typical effects that causes of vibration has: structural crack or fracture, components and parts lost efficacy, electrical contact is bad or short circuit etc.; The centrifugal typical effects causing has: during shock and vibration test, differ detected structure and mechanical defect surely, and as structural limit value of the adhesive ability of chip and microelectronic component etc.Therefore, must carry out strict test each stage such as designing, develop, process, dispatch from the factory to product, guarantee that product meets design standards and relevant GB, army's mark.
There is working environment that some products faced in actual use to comprise vibration and centrifugal factor, the powerful centrifugal force producing under the effect being produced as vehicle, rotating machinery and the projectile of operation simultaneously; Spacecraft is when Earth's orbit turns round, and aircraft is when climbing, diving and spiraling, and strategic missile is during in powered phase with by reentry stage, and its internal unit and device are subject to centrifugal acceleration overload and engine compound action.
The product that simultaneously comprises vibration and centrifugal factor in working environment like that, vibration, centrifugal comprehensive effect can comprise all effects that these cause separately, and vibration, centrifugal integrated environment may influence each other, be created in the absent variable comprehensive effect of any single environment.Therefore be directed to this series products, thereby want working environment that is virtually reality like reality to greatest extent and reach good test effect, just must vibrate simultaneously, centrifugal test, otherwise single vibration test or centrifugal test will be ignored some integrated environment stress, cannot reach comprehensive test effect.
In currently available technology, to the test of vibration be mainly by all kinds of electronic, mechanical, hydraulic vibration gens to test specimen impose sine, at random, the mode of vibration such as impact, vibratory impulse with imitation specimen in practical service environment, thus the vibration test of testing exemplar completed; To centrifugal test, be mainly by all kinds of high speed rotation equipment, test exemplar to be imposed to constant acceleration to be used for examining product whether to meet the test loading procedure with repeatability and the concrete operations test method of requirements.But no matter be shaking table or hydro-extractor, single vibration or centrifugal test all can only be provided, cannot vibrate and centrifugal composite testing simultaneously, there is no at present that a kind of device can vibrate, the composite testing of centrifugal test.
Summary of the invention
The object of the invention is to provide a kind of vibration, centrifugal compound testing equipment, can vibrate and centrifugal compound test, thereby reach comprehensive test effect.
For achieving the above object, the technical solution used in the present invention is: a kind of vibration, centrifugal compound testing equipment, comprise a hydro-extractor and an air-cooled electric vibration table;
Described hydro-extractor comprises a pedestal, and on this pedestal, along continuous straight runs arranges a pivoted arm, and the relative pedestal in pivoted arm middle part is rotationally connected around vertical line direction; On described pivoted arm, effect has drive unit, with drive unit, drives pivoted arm to rotate relative to pedestal; The two ends of described pivoted arm all stretch out, and counterbalance weight, as load end, is established as balance end on its other end in its one end, and the center of rotation place of pivoted arm is provided with brush;
Described air-cooled electric vibration table involving vibrations platform main frame and blower fan; Described shaking table main frame comprises stage body and is located at the moving-coil in stage body, and described shaking table main frame is located on the load end of pivoted arm, and the direction of vibration along continuous straight runs of its moving-coil; Described blower fan is located on the stage casing of pivoted arm, and blower fan is connected with shaking table main frame by hard pipeline; And the wire of described shaking table main frame through being fixed on pivoted arm connects brush, switches on power and input/output control signal through brush with this.
Related content in technique scheme is explained as follows:
In such scheme, described " air-cooled electric vibration table " refers to and adopts the blower fan cooling electric vibration table that ventilates.
Design concept of the present invention and advantage are as follows:
The present invention has carried out Integration Design to hydro-extractor and air-cooled electric vibration table, shaking table main frame is located to the load end of hydro-extractor, during test on the moving-coil table top of shaking table main frame fixing test specimen, make the not only vibrated power of test specimen but also be subject to centrifugal action, reached vibrate, the object of centrifugal compound test, filled up the blank in this field.And the blower fan of electric vibration table of the present invention is arranged on the stage casing of hydro-extractor pivoted arm, so that the centrifugal force that blower fan is subject to is less, reduce the adverse effect of centrifugal force to blower fan as far as possible, guarantee the serviceable life of blower fan; The power lead, the electrical signal line that on electric vibration table of the present invention, need pass-out, all pick out through brush, thereby can be connected and fixed on the electric cabinet of side, guaranteed the reliable of circuit connection.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation.
In above accompanying drawing: 1, hydro-extractor; 11, pedestal; 12, pivoted arm; 121, counterbalance weight; 13, drive unit; 131, motor; 14, brush; 2, air-cooled electric vibration table; 21, shaking table main frame; 211, stage body; 212, moving-coil; 22, blower fan; 23, hard pipeline; 24, wire group; 3, electric cabinet; 4, test specimen.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in Figure 1:
Vibration, a centrifugal compound testing equipment, comprise hydro-extractor 1, air-cooled electric vibration table 2 and electric cabinet 3.
As shown in Figure 1, described hydro-extractor 1 comprises a pedestal 11, and on this pedestal 11, along continuous straight runs arranges a pivoted arm 12, and the pivoted arm 12 relative pedestals 11 in middle part are rotationally connected around vertical line direction; On described pivoted arm 12, effect has drive unit 13, with drive unit 13, drives pivoted arm 12 to rotate relative to pedestal 11.The two ends of described pivoted arm 12 all stretch out, and counterbalance weight 121, as load end, is established as balance end in its one end on its other end, and the center of rotation place of pivoted arm 12 is provided with brush 14.
Drive unit 13 can adopt the propulsion system of various driving rotation, and preferred drive unit 13 is comprised of motor 131 and gear set.
Air-cooled electric vibration table 2 involving vibrations platform main frame 21 and blower fans 22.Described shaking table main frame 21 comprises stage body 211 and is located at the moving-coil 212 in stage body 211, and described shaking table main frame 21 is located on the load end of pivoted arm 12, and the direction of vibration along continuous straight runs of its moving-coil 212.Described blower fan 22 is located on the stage casing of pivoted arm 12, and blower fan 22 is connected with shaking table main frame 21 by hard pipeline 23.And described shaking table main frame 21 connects brushes 14 through being fixed on wire group on pivoted arm 12 24, with this, through brush 14, switch on power and input/output control signal, specifically through being that brush 14 is connected on the electric cabinet 3 that is fixed at side.
For safety, described hydro-extractor 1 and air-cooled electric vibrating 2 are isolated and are arranged in a separate space, and electric cabinet 3 is placed in the outside of above-mentioned separate space, in order to avoid when start personnel approach hydro-extractor 1, cause danger.
During the present embodiment test, fixing test specimen 4 on moving-coil 212 table tops of shaking table main frame 21, then start, pivoted arm 12 rotations of hydro-extractor 1, and air-cooled electric vibration table 2 also starts vibration, make the not only vibrated power of test specimen 4 but also be subject to centrifugal action, reached vibrate, the object of centrifugal compound test, filled up the blank in this field.
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. vibration, a centrifugal compound testing equipment, is characterized in that: comprise a hydro-extractor and an air-cooled electric vibration table;
Described hydro-extractor comprises a pedestal, and on this pedestal, along continuous straight runs arranges a pivoted arm, and the relative pedestal in pivoted arm middle part is rotationally connected around vertical line direction; On described pivoted arm, effect has drive unit, with drive unit, drives pivoted arm to rotate relative to pedestal; The two ends of described pivoted arm all stretch out, and counterbalance weight, as load end, is established as balance end on its other end in its one end, and the center of rotation place of pivoted arm is provided with brush;
Described air-cooled electric vibration table involving vibrations platform main frame and blower fan; Described shaking table main frame comprises stage body and is located at the moving-coil in stage body, and described shaking table main frame is located on the load end of pivoted arm, and the direction of vibration along continuous straight runs of its moving-coil; Described blower fan is located on the stage casing of pivoted arm, and blower fan is connected with shaking table main frame by hard pipeline; And the wire group of described shaking table main frame through being fixed on pivoted arm connects brush, switches on power and input/output control signal through brush with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347486.6A CN104075863A (en) | 2014-07-21 | 2014-07-21 | Vibration and centrifugation composite-testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347486.6A CN104075863A (en) | 2014-07-21 | 2014-07-21 | Vibration and centrifugation composite-testing equipment |
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| CN104075863A true CN104075863A (en) | 2014-10-01 |
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| CN201410347486.6A Pending CN104075863A (en) | 2014-07-21 | 2014-07-21 | Vibration and centrifugation composite-testing equipment |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562221A (en) * | 2016-03-07 | 2016-05-11 | 中国工程物理研究院总体工程研究所 | Large-mass test part mounting device on vibration centrifuge |
| CN106052995A (en) * | 2016-07-11 | 2016-10-26 | 北京航天希尔测试技术有限公司 | Centrifugation electric vibration table system |
| CN106706245A (en) * | 2015-07-15 | 2017-05-24 | 北京卫星环境工程研究所 | Vibration-acceleration coupling environment test system used for spacecraft dynamic test |
| CN107024329A (en) * | 2016-02-02 | 2017-08-08 | 北京强度环境研究所 | One kind overload Centrifugal vibration pilot system |
| CN104971829B (en) * | 2015-06-19 | 2018-04-10 | 山东省农作物种质资源中心 | A kind of portable PC R reaction tube special centrifugal machines |
| CN110006642A (en) * | 2019-04-17 | 2019-07-12 | 苏州东菱振动试验仪器有限公司 | A kind of vibrate adds centrifugal compound fatigue rig |
| CN111693240A (en) * | 2020-05-27 | 2020-09-22 | 中国科学院西安光学精密机械研究所 | Torsional pendulum platform for realizing spatial same-frequency two-dimensional disturbance |
| CN112061419A (en) * | 2020-10-21 | 2020-12-11 | 中国工程物理研究院总体工程研究所 | Self-balancing centrifugal excitation device |
| CN112710448A (en) * | 2021-01-22 | 2021-04-27 | 中国人民解放军空军工程大学 | Resonance fatigue test system and method capable of applying combined stress load |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN113701970A (en) * | 2021-08-13 | 2021-11-26 | 苏州苏试试验集团股份有限公司 | Self-balancing centrifugal vibration test equipment and control method thereof |
| WO2024087744A1 (en) * | 2022-10-27 | 2024-05-02 | 苏州东菱振动试验仪器有限公司 | Four-environmental-factors combined vibration testing system |
| CN117990325A (en) * | 2024-04-07 | 2024-05-07 | 苏州东菱振动试验仪器有限公司 | Centrifugal vibration test system |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971829B (en) * | 2015-06-19 | 2018-04-10 | 山东省农作物种质资源中心 | A kind of portable PC R reaction tube special centrifugal machines |
| CN106706245A (en) * | 2015-07-15 | 2017-05-24 | 北京卫星环境工程研究所 | Vibration-acceleration coupling environment test system used for spacecraft dynamic test |
| CN106706245B (en) * | 2015-07-15 | 2019-08-06 | 北京卫星环境工程研究所 | Vibration-acceleration for spacecraft dynamics test couples environmental test system |
| CN107024329A (en) * | 2016-02-02 | 2017-08-08 | 北京强度环境研究所 | One kind overload Centrifugal vibration pilot system |
| CN105562221B (en) * | 2016-03-07 | 2018-05-15 | 中国工程物理研究院总体工程研究所 | Big quality test part erecting device on vibrating centrifuge |
| CN105562221A (en) * | 2016-03-07 | 2016-05-11 | 中国工程物理研究院总体工程研究所 | Large-mass test part mounting device on vibration centrifuge |
| CN106052995A (en) * | 2016-07-11 | 2016-10-26 | 北京航天希尔测试技术有限公司 | Centrifugation electric vibration table system |
| CN110006642A (en) * | 2019-04-17 | 2019-07-12 | 苏州东菱振动试验仪器有限公司 | A kind of vibrate adds centrifugal compound fatigue rig |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN111693240A (en) * | 2020-05-27 | 2020-09-22 | 中国科学院西安光学精密机械研究所 | Torsional pendulum platform for realizing spatial same-frequency two-dimensional disturbance |
| CN111693240B (en) * | 2020-05-27 | 2021-11-16 | 中国科学院西安光学精密机械研究所 | Torsional pendulum platform for realizing spatial same-frequency two-dimensional disturbance |
| CN112061419A (en) * | 2020-10-21 | 2020-12-11 | 中国工程物理研究院总体工程研究所 | Self-balancing centrifugal excitation device |
| CN112710448A (en) * | 2021-01-22 | 2021-04-27 | 中国人民解放军空军工程大学 | Resonance fatigue test system and method capable of applying combined stress load |
| CN112710448B (en) * | 2021-01-22 | 2023-02-28 | 中国人民解放军空军工程大学 | Resonance fatigue test method capable of applying combined stress load |
| CN113701970A (en) * | 2021-08-13 | 2021-11-26 | 苏州苏试试验集团股份有限公司 | Self-balancing centrifugal vibration test equipment and control method thereof |
| WO2024087744A1 (en) * | 2022-10-27 | 2024-05-02 | 苏州东菱振动试验仪器有限公司 | Four-environmental-factors combined vibration testing system |
| CN117990325A (en) * | 2024-04-07 | 2024-05-07 | 苏州东菱振动试验仪器有限公司 | Centrifugal vibration test system |
| CN117990325B (en) * | 2024-04-07 | 2024-06-04 | 苏州东菱振动试验仪器有限公司 | Centrifugal vibration test system |
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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. Applicant after: Suzhou Su extensive environmental reliability laboratory Co., Ltd. Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Applicant before: Suzhou Guangbo Mechanics Environment Laboratory Co., Ltd. |
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Application publication date: 20141001 |