CN201611300U - High-acceleration impact magnifying device - Google Patents
High-acceleration impact magnifying device Download PDFInfo
- Publication number
- CN201611300U CN201611300U CN2010201078481U CN201020107848U CN201611300U CN 201611300 U CN201611300 U CN 201611300U CN 2010201078481 U CN2010201078481 U CN 2010201078481U CN 201020107848 U CN201020107848 U CN 201020107848U CN 201611300 U CN201611300 U CN 201611300U
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- cushion pad
- original table
- table board
- additional mesa
- high acceleration
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Abstract
The utility model discloses a high-acceleration impact magnifying device, which comprises a waved generator, and an original table board mounted on the waved generator; a cushion pad is arranged in the middle of the upper surface of the original table board; an auxiliary table board is arranged at the upper part of the cushion pad; and the auxiliary table board is connected together with the cushion pad and the original table board through a guiding bolt to form a single-degree-of-freedom spring mass system. The utility model has the advantages of reasonable design, convenient realization, reliable use and high practical value, and can effectively solve the technical difficult problems that the high acceleration and small impulse width are difficult to achieve the experiment requirements, and overcome the problem of distortion of impulse shape at the same time.
Description
Technical field
The utility model relates to a kind of impact multiplying arrangement, especially relates to a kind of high acceleration shock multiplying arrangement that is used for microelectronic component reliability impulse test.
Background technology
Shock table mainly is to be used for imitating product suffers shock environment in use, mounting or dismounting or transportation testing equipment, to determine the adaptability of this product to various shock environments, and evaluate the integrity of its structure, for the quality of examination product provides rational foundation.Therefore, be widely used in fields such as weaponry, electromechanical equipment, instrument and meter and household electrical appliance.
At present, the impulse test condition of microelectronic component is: half-sine pulse acceleration (m/s
2): 100000～300000, pulse width (ms): 0.2～0.1.And existing impact test apparatus mainly is made up of waveform generator and original table top two parts, under the physical shock that so high acceleration requires, the very difficult assurance of self intensity of testing equipment, and when the pulse width of 0.1ms required, the single order resonance frequency of impacting table top also was difficult to realize.Therefore, design a kind of distortion problem that can solve pulse waveform, and guarantee the half-sine pulse acceleration and reach width to be this area scientific research personnel's problem demanding prompt solution to the impact multiplying arrangement of testing requirements.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of high acceleration shock multiplying arrangement is provided, it is reasonable in design, realization is convenient, use is reliable and practical value is high, can effectively solve the technical barrier that high acceleration and small-pulse effect width are difficult to reach testing requirements, overcome the distortion problem of pulse waveform simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of high acceleration shock multiplying arrangement, comprise waveform generator and the original table top that is installed on the waveform generator, it is characterized in that: described original table top upper surface middle part is provided with cushion pad, described cushion pad top is provided with additional mesa, and described additional mesa is joined together to form the spring mass system of single-degree-of-freedom by guider screw and cushion pad and original table top.
Described guider screw upper end is provided with spacing rubber blanket.
The quantity of described guider screw is four.
Described cushion pad is ox-hide cushion pad or polyurethane buffering pad.
Described additional mesa is aluminium alloy additional mesa or magnesium alloy additional mesa.
The utility model compared with prior art has the following advantages:
1, reasonable in design, realization convenience, it is disposed with cushion pad and additional mesa on original table top top;
2, use reliable and practical value high, it filters the higher hamonic wave on the original table top by cushion pad, and by additional mesa higher hamonic wave is carried out acceleration and amplify, and makes higher hamonic wave satisfy high acceleration and the wide requirement of scun;
3, can effectively solve the technical barrier that high acceleration and small-pulse effect width are difficult to reach testing requirements, overcome the distortion problem of pulse waveform simultaneously.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Description of reference numerals:
The 1-waveform generator; The 2-cushion pad; The 3-additional mesa;
The 4-guider screw; The spacing rubber blanket of 5-; The original table top of 6-.
Embodiment
A kind of high acceleration shock multiplying arrangement as shown in Figure 1, comprise waveform generator 1 and the original table top 6 that is installed on the waveform generator 1, described original table top 6 upper surface middle part are provided with cushion pad 2, described cushion pad 2 tops are provided with additional mesa 3, and described additional mesa 3 is joined together to form the spring mass system of single-degree-of-freedom by guider screw 4 and cushion pad 2 and original table top 6.
Described guider screw 4 upper ends are provided with spacing rubber blanket 5.This spacing rubber blanket is used to prevent that additional mesa 3 from skidding off guider screw 4, and the increase damping weakens the secondary concussion.
The quantity of described guider screw 4 is four.This guider screw be arranged on additional mesa 3 around, and additional mesa 3 and cushion pad 2 be fixed on the original table top 6, and additional mesa 3 can move axially along guider screw 4.
Described cushion pad 2 is ox-hide cushion pad or polyurethane buffering pad.This cushion pad is generally made by 1mm thick ox-hide or polyurethane, the natural frequency that is used for regulating system on the one hand, the pulse width that makes additional mesa 3 obtain wishing, be used for absorbing the higher hamonic wave energy of shock pulse transmittance process on the other hand, make the waveform that is reflected on the additional mesa satisfy standard-required, promptly mechanical filtering.
Described additional mesa 3 is aluminium alloy additional mesa or magnesium alloy additional mesa.This additional mesa is used for that higher hamonic wave is carried out acceleration and amplifies as the acceleration amplifier.
The use of a kind of high acceleration shock multiplying arrangement of the utility model is: trial target and acceleration transducer are installed on the additional mesa 3, start waveform generator 1, at this moment the spring mass system of single-degree-of-freedom is subjected to a half-sine pulse incentive action (being the half-sine pulse that produces between original table top and the waveform generator), carry out filtering by 2 pairs of half-sine pulses of the cushion pad on it, the full sized pules waveform that makes it obtain expecting, amplify acceleration by 3 pairs of filtered pulse waveforms of additional mesa then, make it obtain a half-sine pulse peak accelerator, simultaneously this pulse waveform Pass Test standard-required greater than original driving pulse.In this device, waveform generator 1 is used to produce the half-sine pulse excitation of a standard, and the acceleration of this half-sine pulse excitation and pulse width are by the rigidity decision of waveform falling height and waveform generator 1.
Below by specific embodiment the utility model is done and to be specified:
Qualified half-sine pulse peak accelerator on the original table top is 33000m/s
2, duration of pulse 0.3ms is earlier after behind the amplification of cushion pad 2 filtrations and additional mesa 3, obtaining an acceleration is greater than 100000m/s
2, pulsewidth is the smooth half-sine pulse waveform of 0.1ms～0.3ms, its enlargement factor is greater than three, and high acceleration and the equal Pass Test requirement of little pwm value.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. high acceleration shock multiplying arrangement, comprise waveform generator (1) and be installed in original table top (6) on the waveform generator (1), it is characterized in that: described original table top (6) upper surface middle part is provided with cushion pad (2), described cushion pad (2) top is provided with additional mesa (3), and described additional mesa (3) is joined together to form the spring mass system of single-degree-of-freedom by guider screw (4) and cushion pad (2) and original table top (6).
2. according to the described a kind of high acceleration shock multiplying arrangement of claim 1, it is characterized in that: described guider screw (4) upper end is provided with spacing rubber blanket (5).
3. according to claim 1 or 2 described a kind of high acceleration shock multiplying arrangements, it is characterized in that: the quantity of described guider screw (4) is four.
4. according to the described a kind of high acceleration shock multiplying arrangement of claim 1, it is characterized in that: described cushion pad (2) is ox-hide cushion pad or polyurethane buffering pad.
5. according to the described a kind of high acceleration shock multiplying arrangement of claim 1, it is characterized in that: described additional mesa (3) is aluminium alloy additional mesa or magnesium alloy additional mesa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201078481U CN201611300U (en) | 2010-02-03 | 2010-02-03 | High-acceleration impact magnifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201078481U CN201611300U (en) | 2010-02-03 | 2010-02-03 | High-acceleration impact magnifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611300U true CN201611300U (en) | 2010-10-20 |
Family
ID=42961934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201078481U Expired - Fee Related CN201611300U (en) | 2010-02-03 | 2010-02-03 | High-acceleration impact magnifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201611300U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604578A (en) * | 2013-11-04 | 2014-02-26 | 北京卫星环境工程研究所 | Large-scale high-magnitude horizontal impact test stand based on pneumatic type |
| CN105953997A (en) * | 2016-07-15 | 2016-09-21 | 芜湖赛宝信息产业技术研究院有限公司 | High-acceleration impact testing machine |
| CN106546404A (en) * | 2016-10-26 | 2017-03-29 | 维沃移动通信有限公司 | A kind of acceleration amplification method and acceleration amplification system |
| CN107957320A (en) * | 2017-12-22 | 2018-04-24 | 西安东仪综合技术实验室有限责任公司 | One kind impact amplifying device |
| CN112683480A (en) * | 2020-12-31 | 2021-04-20 | 南京苏试广博环境可靠性实验室有限公司 | Impact test system and method |
| CN113030425A (en) * | 2021-02-01 | 2021-06-25 | 中北大学 | Explosive stability evaluation experimental device for equivalently simulating penetration of projectile into steel target |
| CN113237627A (en) * | 2021-06-08 | 2021-08-10 | 沈阳工业大学 | Double-wave impact amplifier |
-
2010
- 2010-02-03 CN CN2010201078481U patent/CN201611300U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604578A (en) * | 2013-11-04 | 2014-02-26 | 北京卫星环境工程研究所 | Large-scale high-magnitude horizontal impact test stand based on pneumatic type |
| CN103604578B (en) * | 2013-11-04 | 2017-04-26 | 北京卫星环境工程研究所 | Large-scale high-magnitude horizontal impact test stand based on pneumatic type |
| CN105953997A (en) * | 2016-07-15 | 2016-09-21 | 芜湖赛宝信息产业技术研究院有限公司 | High-acceleration impact testing machine |
| CN105953997B (en) * | 2016-07-15 | 2018-10-02 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of high acceleration shock testing machine |
| CN106546404A (en) * | 2016-10-26 | 2017-03-29 | 维沃移动通信有限公司 | A kind of acceleration amplification method and acceleration amplification system |
| CN107957320A (en) * | 2017-12-22 | 2018-04-24 | 西安东仪综合技术实验室有限责任公司 | One kind impact amplifying device |
| CN112683480A (en) * | 2020-12-31 | 2021-04-20 | 南京苏试广博环境可靠性实验室有限公司 | Impact test system and method |
| CN113030425A (en) * | 2021-02-01 | 2021-06-25 | 中北大学 | Explosive stability evaluation experimental device for equivalently simulating penetration of projectile into steel target |
| CN113237627A (en) * | 2021-06-08 | 2021-08-10 | 沈阳工业大学 | Double-wave impact amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20140203 |