CN103383299A - Mechanical shock test device - Google Patents
Mechanical shock test device Download PDFInfo
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- CN103383299A CN103383299A CN2012101359385A CN201210135938A CN103383299A CN 103383299 A CN103383299 A CN 103383299A CN 2012101359385 A CN2012101359385 A CN 2012101359385A CN 201210135938 A CN201210135938 A CN 201210135938A CN 103383299 A CN103383299 A CN 103383299A
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- ball
- guide tube
- conduit
- impacting ball
- mechanical shock
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Abstract
The invention belongs to the technical field of testing, and provides a mechanical shock test device which comprises an impacting ball, a guide tube and baffles. The two ends of the guide tube are of an opened hollow structure, and the inner diameter of the guide tube is larger than the inner diameter of the impacting ball. The impacting ball is arranged in the guide tube in a sliding mode, a plurality of gaps which are arranged in an equal interval mode are formed in the guide tube, the baffles are arranged in the gaps in a penetrating mode, and the gaps in the guide tube are marked with impact energy values of the impacting ball respectively. Compared with the prior art, due to the fact that the impacting ball moves downwards vertically in the guide tube and impacts electrical equipment, the drop points of the impacting ball can be accurately controlled, and the accuracy of testing is guaranteed. In addition, after the impacting ball impacts the electrical equipment, the impacting ball is still placed in the guide tube, the impacting ball can not deflect to hurt people, and the safety of testing is guaranteed. Furthermore, due to the fact that the gaps in the guide tube are marked with the impact energy values of the impacting ball respectively, the impact energy of the impacting ball can be directly read out from the gaps of the guide tube, and testing efficiency is improved.
Description
Technical field
The invention belongs to technical field of measurement and test, relate in particular to a kind of mechanical shock test device.
Background technology
At present, when producing electrical equipment, all need electrical equipment is carried out mechanical shock test, when carrying out mechanical shock test, generally adopt the impact ball of certain mass m from certain altitude h vertical drop, electrical equipment to be impacted, impact energy E is derived by formula E=mgh, in this formula, the unit of quality m is kilogram (kg), and gravity acceleration g is got 10 Ns/kilogram (N/m), and the unit of height h is rice (m).In normal experiment, impacting the fair of ball is 2.27kg, and height h is generally 100mm to 1830mm, so impact energy is generally 2.27J ~ 41.541J.
When impulse test, when the impact ball impacts electrical equipment from height h freely falling body, have two problems: the drop point of (1) impact ball can not be controlled, and has influence on the accuracy of test; (2) impact ball meeting sideslip after clashing into electrical equipment, operating personnel are had potential safety hazard.
Summary of the invention
The object of the present invention is to provide a kind of mechanical shock test device, the impact placement that has solved existing mechanical shock test device can not be controlled the problem of hurting sb.'s feelings with sideslip.
The present invention realizes like this, a kind of mechanical shock test device, be used for electrical equipment is carried out shock-testing, comprise and impact ball, conduit and baffle plate, described conduit is the hollow structure of both ends open, the internal diameter of described conduit is greater than the internal diameter of described impact ball, described impact ball is slidedly arranged in described conduit, offer the gap of some spaced sets on described conduit, described baffle plate is arranged in described gap, and described supravasal each place, gap is marked with respectively the impact energy numberical value of quantity of described impact ball.
Particularly, the xsect of described conduit is circular, triangle or square.
Particularly, the internal diameter of described conduit is than the large 1 ~ 5mm of internal diameter of described impact ball.
Particularly, the height of described conduit is 1830mm, and internal diameter is 104mm.
Particularly, described gap arranges every the 100mm interval on described conduit.
Particularly, described impact ball is steel ball.
Particularly, the quality of described impact ball is 2.27kg.
Compared with prior art, because impact ball of the present invention moves straight down in conduit and electrical equipment is impacted, therefore impact the drop point of ball and can accurately control, guaranteed the accuracy of test; In addition, after impacting the ball impact electrical equipment, impact ball and still be positioned at conduit, the impact ball can not gone around and be hurted sb.'s feelings, and has guaranteed the security of test; In addition, because supravasal each place, gap is marked with respectively the impact energy numberical value of quantity that impacts ball, therefore impact the impact energy of ball and can directly read from supravasal each gap, improved testing efficiency.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the below will do to introduce simply to the accompanying drawing of required use in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of mechanical shock test's device of providing of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
as shown in Figure 1, a kind of mechanical shock test device that the embodiment of the present invention provides, be used for electrical equipment is carried out shock-testing, it comprises impact ball 1, conduit 2 and baffle plate 3, conduit 2 is the hollow structure of both ends open, the internal diameter of conduit 2 is greater than the internal diameter that impacts ball 1, impacting ball 1 is slidedly arranged in conduit 2, offer the gap 21 of some spaced sets on conduit 2, baffle plate 3 can be arranged in each gap 21, each 21 places, gap on conduit 2 are marked with respectively the impact energy numberical value of quantity that impacts ball 1, the impact energy of impacting ball 1 calculates by formula E=mgh, wherein, E is impact energy, m is quality, g is acceleration of gravity, h is height, the numerical value of impact energy E is marked at each 21 places, gap on conduit 2 from low to high successively according to from small to large order.
In the present embodiment, the xsect of conduit 2 is circle, triangle, square or other shapes.1 effectively lead in order to guarantee conduit 2 batting that liquidates, the internal diameter of conduit 2 can not specific impulse the internal diameter of batting 1 too large, the general large 1 ~ 5mm of internal diameter of the internal diameter specific impulse batting 1 of conduit 2 that only needs gets final product, if the internal diameter of conduit 2 is excessive, 1 meeting of impact ball depart from direction of motion straight down in conduit 2, affect the accuracy of impulse test.
When needs carry out mechanical shock test to electrical equipment, at first conduit 2 vertically is put on the surface of electrical equipment; Then baffle plate 3 inserts in highly minimum gap 21; Then will impact ball 1 and put into from the upper end open of conduit 2, and impact ball 1 and vertically fall and fall on baffle plate 3 to stopping along conduit 2; With baffle plate 3 21 interior extractions from the gap, impact ball 1 and continue vertically fall and the surface of electrical equipment is impacted along conduit 2 again; After impacting the surface of electrical equipment, the surface that examines electrical equipment has or not distortion, as not distortion, baffle plate 3 is inserted in other gap 21 on conduit 2 according to order from low to high again, and according to aforementioned impulse test step, electrical equipment is repeated impulse test, until electrical equipment produces distortion, then read and write down the impact energy numerical value at 21 places, baffle plate 3 gap, place, this impact energy numerical value is the limit impact energy that electrical equipment can bear, and has so just completed the shock-testing to electrical equipment.
Compared with prior art, because impact ball 1 of the present invention moves straight down in conduit 2 and electrical equipment is impacted, therefore impact the drop point of ball 1 and can accurately control, guaranteed the accuracy of test; In addition, after impacting ball 1 shock electrical equipment, impact ball 1 and still be positioned at conduit 2, impact ball 1 can not gone around and be hurted sb.'s feelings, and has guaranteed the security of test; In addition, be marked with respectively the impact energy numberical value of quantity that impacts ball 1 due to each 21 places, gap on conduit 2, therefore impact the impact energy of ball 1 and can directly read from each gap 21 on conduit 2, improved testing efficiency.
Below by a concrete impulse test, the present invention is described in detail.
please consult Fig. 1, in this concrete impulse test, the internal diameter that impact ball 1 is made for the hardened steel of standard code is the steel ball of 100mm again, and the quality of impacting ball 1 is 2.27kg, the height of conduit 2 is 1830mm, and internal diameter is 104mm, offer a gap 21 every the 100mm interval on conduit 2, therefore altogether can open 18 gaps 21, be impact energy according to formula E=mgh(E, m is quality, g is acceleration of gravity, g gets 10 Ns/kilogram, h is height), impacting ball 1 is 2.27J ~ 41.541J according to the impact energy E that from low to high order each gap 21 from the conduit 2 successively falls, and the numerical value of impact energy E is marked at each 21 places, gap on conduit 2 from low to high successively according to from small to large order, the size of impact energy E when the convenient operation person reads and impacts ball 1 and fall from each gap 21.
When carrying out impulse test, at first conduit 2 vertically is put on the surface of electrical equipment; Then baffle plate 3 inserts highly in the gap 21 for the 100mm place; Then will impact ball 1 and put into from the upper end open of conduit 2, and impact ball 1 and vertically fall and fall on baffle plate 3 to stopping along conduit 2; With baffle plate 3 21 interior extractions from the gap, impact ball 1 and continue vertically fall and the surface of electrical equipment is impacted along conduit 2 again; After impacting the surface of electrical equipment, the surface that examines electrical equipment has or not distortion, as not distortion, baffle plate 3 is inserted in other gap 21 on conduit 2 according to order from low to high again, and according to aforementioned impulse test step, electrical equipment is repeated impulse test, until electrical equipment produces distortion, and the impact energy numerical value at 21 places, baffle plate 3 gap, place when directly reading electrical equipment producing distortion on conduit 2, this impact energy numerical value is the limit impact energy that electrical equipment can bear, and has so just completed the shock-testing to electrical equipment.
The above is the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (7)
1. mechanical shock test's device, be used for electrical equipment is carried out shock-testing, it is characterized in that, comprise and impact ball, conduit and baffle plate, described conduit is the hollow structure of both ends open, and the internal diameter of described conduit is greater than the internal diameter of described impact ball, described impact ball is slidedly arranged in described conduit, offer the gap of some spaced sets on described conduit, described baffle plate is arranged in described gap, and described supravasal each place, gap is marked with respectively the impact energy numberical value of quantity of described impact ball.
2. mechanical shock test according to claim 1 device, is characterized in that, the xsect of described conduit is circular, triangle or square.
3. mechanical shock test according to claim 1 and 2 device, is characterized in that, the internal diameter of described conduit is than the large 1 ~ 5mm of internal diameter of described impact ball.
4. mechanical shock test according to claim 3 device, is characterized in that, the height of described conduit is 1830mm, and internal diameter is 104mm.
5. mechanical shock test according to claim 1 device, is characterized in that, described gap arranges every the 100mm interval on described conduit.
6. mechanical shock test according to claim 1 device, is characterized in that, described impact ball is steel ball.
7. mechanical shock test according to claim 6 device, is characterized in that, the quality of described impact ball is 2.27kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101359385A CN103383299A (en) | 2012-05-04 | 2012-05-04 | Mechanical shock test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101359385A CN103383299A (en) | 2012-05-04 | 2012-05-04 | Mechanical shock test device |
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| Publication Number | Publication Date |
|---|---|
| CN103383299A true CN103383299A (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101359385A Pending CN103383299A (en) | 2012-05-04 | 2012-05-04 | Mechanical shock test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768881A (en) * | 2016-12-07 | 2017-05-31 | 莱茵技术（上海）有限公司 | A kind of test device for diving face mirror |
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|---|---|---|---|---|
| KR20060122428A (en) * | 2005-05-27 | 2006-11-30 | 김철호 | Automatic hammer machine |
| CN200975938Y (en) * | 2006-11-20 | 2007-11-14 | 比亚迪股份有限公司 | Vacuum falling test machine |
| CN201340332Y (en) * | 2009-01-14 | 2009-11-04 | 英业达股份有限公司 | Shock testing device |
| CN201628620U (en) * | 2010-01-26 | 2010-11-10 | 浙江华电器材检测研究所 | Carbon fiber compound core rod radial impact test device |
| JP2011075307A (en) * | 2009-09-29 | 2011-04-14 | Mitsubishi Heavy Ind Ltd | Ice ball ejection apparatus and hailfall test method using the same |
| CN102331334A (en) * | 2011-10-11 | 2012-01-25 | 三河市桂宇星体育用品有限公司 | Impact tester |
| CN202145158U (en) * | 2011-06-16 | 2012-02-15 | 天津百利二通阀门电装有限公司 | Impact tester |
-
2012
- 2012-05-04 CN CN2012101359385A patent/CN103383299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060122428A (en) * | 2005-05-27 | 2006-11-30 | 김철호 | Automatic hammer machine |
| CN200975938Y (en) * | 2006-11-20 | 2007-11-14 | 比亚迪股份有限公司 | Vacuum falling test machine |
| CN201340332Y (en) * | 2009-01-14 | 2009-11-04 | 英业达股份有限公司 | Shock testing device |
| JP2011075307A (en) * | 2009-09-29 | 2011-04-14 | Mitsubishi Heavy Ind Ltd | Ice ball ejection apparatus and hailfall test method using the same |
| CN201628620U (en) * | 2010-01-26 | 2010-11-10 | 浙江华电器材检测研究所 | Carbon fiber compound core rod radial impact test device |
| CN202145158U (en) * | 2011-06-16 | 2012-02-15 | 天津百利二通阀门电装有限公司 | Impact tester |
| CN102331334A (en) * | 2011-10-11 | 2012-01-25 | 三河市桂宇星体育用品有限公司 | Impact tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768881A (en) * | 2016-12-07 | 2017-05-31 | 莱茵技术（上海）有限公司 | A kind of test device for diving face mirror |
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Application publication date: 20131106 |