CN102589833A - Bump test device of audio-video equipment - Google Patents
Bump test device of audio-video equipment Download PDFInfo
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- CN102589833A CN102589833A CN2012100181756A CN201210018175A CN102589833A CN 102589833 A CN102589833 A CN 102589833A CN 2012100181756 A CN2012100181756 A CN 2012100181756A CN 201210018175 A CN201210018175 A CN 201210018175A CN 102589833 A CN102589833 A CN 102589833A
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- test device
- flat plate
- video equipment
- impact test
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Abstract
The invention relates to a bump test device of audio-video equipment. The bump test device is characterized in that an upper flat plate and a lower flat plate are in sliding connection by a guide rod and a guide sleeve; the upper flat plate is connected with two driving cam mechanisms fixed at the lower surface of the lower flat plate by four driving ejector rods fixed on the lower surface of the upper flat plate; and each driving cam mechanism is in transmission connection with a speed reducer and a motor which are fixed on the lower surface of the lower flat plate by a synchronous belt. The bump test device has the advantages that the requirement on the bump test in safety test of audio, video or similar electronic equipment can be met; bump parameters in different standard requirements can be finished by a group of cam series with different specifications, and the bump accuracy reaches 0.5%; full-automatic bump test is carried out by a mechanical device, the speed and the times of each time of bump can be adjusted, the repeatability can be guaranteed; and moving parts are designed in a reinforced manner, so that the service life of the test device can be guaranteed.
Description
Technical field
The present invention relates to a kind of impact test device, especially a kind of impact test device that is applicable to that audio frequency, video and similar electronic equipments safety detect.
Background technology
Impact test is that the simulation equipment under test stands to jolt or impact such as falls; Be used for the physical strength of apparatus for checking or the impact strength of transportation, be widely used in safety of products, Performance Detection such as audio & video equipment, household electrical appliances, information products, battery, automobile.The impact test device is according to standard-required, with a definite form interaction energy, makes equipment under test stand the test unit of percussion movement to equipment under test.The different detection standard is different to the parameter request of impact test.The parameter of impact test mainly comprises: bump height, angle, material, number of times (or time), frequency etc.Impact test equipment generally is made up of driver part, drive disk assembly, guiding mechanism, control parts of motion, anchor clamps and control system.The key of impact test is precision and the repeatability that guarantees bump.And low, the test poor repeatability of existing audio frequency and video impact test equipment bump precision.
Summary of the invention
The present invention will solve the technical matters that existing audio frequency and video impact test equipment bump precision is low, test poor repeatability; And a kind of audio & video equipment impact test device that is applicable to that audio frequency, video and similar electronic equipments safety detect is provided; This test unit through structural design, has overcome the shortcoming that impact test equipment bump precision is low, test poor repeatability on the basis that guarantees standard-required; Promote the reliability of impact test, thereby strengthened impact test result's confidence level.
For realizing above-mentioned purpose, technical scheme of the present invention is: a kind of audio & video equipment impact test device comprises upper flat plate; Guide pole; Orienting sleeve, driving cam means, following dull and stereotyped; Speed reduction unit and motor; Be slidingly connected through guide pole and orienting sleeve between upper flat plate and the following flat board, upper flat plate is connected with two driving cam means that are fixed on down dull and stereotyped lower surface through four driving push rods that are fixed on its lower surface, and each driving cam means is connected with speed reduction unit and drive of motor on being fixed on down dull and stereotyped lower surface through synchronous band.
Driving cam means comprises cam, driven pulley, transmission shaft; Two bearings, wherein, two bearings are installed in down on the flat board respectively; In two bearings transmission shaft is housed, the two ends of transmission shaft are fixedly connected cam through flat key respectively, and cam contacts with the driving push rod and is connected; On the transmission shaft between two bearings driven pulley is housed, and driven pulley is connected with driving pulley on speed reduction unit and the motor through synchronous band.
Be fixed with four guide poles on the upper flat plate lower plane respectively, and four guide pole symmetric arrangement.
Down be fixed with four orienting sleeves respectively on the dull and stereotyped lower plane, and four orienting sleeves are connected with four guide poles of upper flat plate respectively.
Drive on the push rod lower end roller is housed, and contact with the driving push rod through roller and to be connected.
Be with synchronously stretching pulley is housed, and stretching pulley is adjustable is connected down on the dull and stereotyped lower plane.
The cam outline is confirmed by the impact parameter of test standard.
Following dull and stereotyped lower surface is equipped with travel switch, and travel switch is connected with control system.
Beneficial effect of the present invention is: carry out full automatic impact test through mechanical hook-up and control system, the speed and the number of times of bump are adjustable, and can guarantee repeatability.Through the cam series of one group of different size, accomplish the impact parameter that various criterion requires, the bump precision reaches 0.5%.Moving component is through strengthening design, life-span that can the warranty test device.Device bottom is used earthquake isolating equipment, reduces the influence to other equipment.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the upward view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Like Fig. 1, shown in 2, audio & video equipment impact test device of the present invention comprises upper flat plate 1, guide pole 2, orienting sleeve 3; Cam 4, flat key 5, bearing 6, roller 7; Following flat board 8, driven pulley 9, driving pulley 10 is with 11 synchronously; Transmission shaft 12, speed reduction unit and motor 13 drive push rod 14, stretching pulley 15 etc.
Be fixed with four guide poles 2 on upper flat plate 1 lower surface respectively, and four guide pole 2 symmetric arrangement.Be fixed with four orienting sleeves 3 respectively on dull and stereotyped 8 lower surfaces down, and four orienting sleeves 3 cooperate with four guide poles 2 of upper flat plate 1 respectively.Be slidingly connected through guide pole 2 and orienting sleeve 3 between the upper flat plate 1 and following dull and stereotyped 8.
Four driving push rods 14 of fixed installation on upper flat plate 1 lower surface, each drives push rod 14 heads roller 7 is housed, and four driving push rod 14 symmetric arrangement.Upper flat plate 1 is connected with two driving cam means 20 that are fixed on down dull and stereotyped 8 lower surfaces through four driving push rods 14, and each driving cam means 20 is through be in transmission connection with the speed reduction unit and the driving pulley 10 on the motor 13 that are fixed on down on dull and stereotyped 8 lower surfaces with 11 synchronously.On motor and speed reduction unit 13 output shafts two driving pulleys 10 are housed.
Driving cam means 20 comprises cam 4, driven pulley 9, transmission shaft 12; Two bearings 6, wherein, two bearings 6 are installed in down respectively on dull and stereotyped 8; In two bearings 6 transmission shaft 12 is housed, the two ends of transmission shaft 12 are fixedly connected cams 4 through flat key 5 respectively, and cam 4 contacts with roller 7 on the driving push rod 14 and is connected; On the transmission shaft 12 between two bearings 6 driven pulley 9 is housed, and driven pulley 9 through synchronously with 11 with speed reduction unit and motor 13 on driving pulley 10 be connected.Be with synchronously stretching pulley 15 is housed on 11, and stretching pulley 15 adjustable being connected down on dull and stereotyped 8 lower surfaces.Cam 4 outlines are confirmed by the impact parameter of test standard.Following dull and stereotyped 8 lower surface is equipped with travel switch, and travel switch is connected with control system.
Two driving pulleys 10 on motor and speed reduction unit 13 output shafts; Be positioned at two driven pulleys 9 on the transmission shaft 12 through driving respectively with 11 synchronously; Drive 12 rotations of two transmission shafts, thereby the cam 4 of drive installation on transmission shaft promotes to drive push rod 14 upper and lower motions; Drive upper flat plate 1 and accomplish " lifting-bump " to-and-fro movement, form and " bump " action of dull and stereotyped 8 down.Equipment under test is placed on the upper flat plate 1, with upper flat plate 1 motion, thereby through being impacted.Between the upper flat plate 1 and following dull and stereotyped 8 guiding mechanism is housed, guarantees the accuracy in percussion movement path.
The present invention has significantly promoted the bump precision and the repeatability of impact test through the cam series of one group of different size, and the bump precision reaches 0.5%.Can accomplish the impact parameter that various criterion requires, carry out full automatic impact test through mechanical hook-up, the speed and the number of times of each bump are adjustable, and can guarantee repeatability.Moving component is through strengthening design, life-span that can the warranty test device.Device bottom is used earthquake isolating equipment, reduces the influence to other equipment.
Claims (9)
1. an audio & video equipment impact test device comprises upper flat plate (1), guide pole (2); Orienting sleeve (3);, following dull and stereotyped (8), speed reduction unit and motor (13); Driving cam means (20); It is characterized in that: be slidingly connected through guide pole (2) and orienting sleeve (3) between upper flat plate (1) and down dull and stereotyped (8), upper flat plate (1) is connected with two driving cam means (20) that are fixed on down dull and stereotyped (8) lower plane through four driving push rods that are fixed on its lower surface, and each driving cam means (20) is in transmission connection through being with (11) and the speed reduction unit and the motor (13) that are fixed on down on dull and stereotyped (8) lower surface synchronously.
2. audio & video equipment impact test device according to claim 1; It is characterized in that: said driving cam means (20) comprises cam (4), driven pulley (9), transmission shaft (12); Two bearings (6); Wherein, two bearings (6) are installed in down respectively on dull and stereotyped (8), and transmission shaft (12) is housed in two bearings (6); The two ends of transmission shaft (12) are fixedly connected cam (4) through flat key (5) respectively; And cam (4) contacts and is connected with driving push rod, on the transmission shaft (12) between two bearings (6) driven pulley (9) is housed, and driven pulley (9) is connected with driving pulley (10) on speed reduction unit and the motor (13) through being with (11) synchronously.
3. audio & video equipment impact test device according to claim 1 is characterized in that: be fixed with four guide poles (2) respectively on said upper flat plate (1) lower surface, and four guide poles (2) symmetric arrangement.
4. audio & video equipment impact test device according to claim 1; It is characterized in that: be fixed with four orienting sleeves (3) respectively on said down dull and stereotyped (8) lower surface, and four orienting sleeves (3) are connected with four guide poles (2) of upper flat plate (1) respectively.
5. audio & video equipment impact test device according to claim 1 is characterized in that: said driving push rod is equipped with roller (7) on the lower end, and through roller (7) with drive push rod and contact and be connected.
6. audio & video equipment impact test device according to claim 1 is characterized in that: on the said synchronous band (11) stretching pulley is housed, and stretching pulley is adjustable is connected down on dull and stereotyped (8) lower surface.
7. audio & video equipment impact test device according to claim 1 is characterized in that: said cam (4) outline is confirmed by the impact parameter of test standard.
8. audio & video equipment impact test device according to claim 1 is characterized in that: the lower surface of said down dull and stereotyped (8) is equipped with travel switch, and travel switch is connected with control system.
9. according to each described audio & video equipment impact test device of claim 1 to 8, it is characterized in that: said audio & video equipment impact test bottom of device is provided with earthquake isolating equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018175.6A CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018175.6A CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589833A true CN102589833A (en) | 2012-07-18 |
| CN102589833B CN102589833B (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210018175.6A Expired - Fee Related CN102589833B (en) | 2012-01-20 | 2012-01-20 | Bump test device of audio-video equipment |
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| Country | Link |
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| CN (1) | CN102589833B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017995A (en) * | 2012-11-29 | 2013-04-03 | 无锡众望四维科技有限公司 | Audio and video product drop test machine |
| CN104101474A (en) * | 2013-04-07 | 2014-10-15 | 上海理工大学 | Wheelchair falling strength testing device |
| CN111307389A (en) * | 2020-04-08 | 2020-06-19 | 安徽风驰新能源科技股份有限公司 | Cylindrical lithium ion battery vibration testing device |
| CN113203535A (en) * | 2021-06-11 | 2021-08-03 | 中国工程物理研究院流体物理研究所 | Electromagnetic drive's heavy load impact vibrations environment simulation test equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1707493A1 (en) * | 1988-11-09 | 1992-01-23 | Научно-Производственное Объединение Медно-Молибденовой Промышленности "Армцветмет" | Impact testing machine |
| RU1793296C (en) * | 1990-03-19 | 1993-02-07 | Научно-производственное объединение машиностроения | Repeated impact test bed |
| CN201945432U (en) * | 2010-12-20 | 2011-08-24 | 张光辉 | Shock test stand |
| CN201974296U (en) * | 2010-11-12 | 2011-09-14 | 十堰建隆科技有限公司 | Test bench for automobile electronic throttle pedal performance and life |
| CN202471383U (en) * | 2012-01-20 | 2012-10-03 | 中华人民共和国上海出入境检验检疫局 | Bump test device for audio and video equipment |
-
2012
- 2012-01-20 CN CN201210018175.6A patent/CN102589833B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1707493A1 (en) * | 1988-11-09 | 1992-01-23 | Научно-Производственное Объединение Медно-Молибденовой Промышленности "Армцветмет" | Impact testing machine |
| RU1793296C (en) * | 1990-03-19 | 1993-02-07 | Научно-производственное объединение машиностроения | Repeated impact test bed |
| CN201974296U (en) * | 2010-11-12 | 2011-09-14 | 十堰建隆科技有限公司 | Test bench for automobile electronic throttle pedal performance and life |
| CN201945432U (en) * | 2010-12-20 | 2011-08-24 | 张光辉 | Shock test stand |
| CN202471383U (en) * | 2012-01-20 | 2012-10-03 | 中华人民共和国上海出入境检验检疫局 | Bump test device for audio and video equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017995A (en) * | 2012-11-29 | 2013-04-03 | 无锡众望四维科技有限公司 | Audio and video product drop test machine |
| CN104101474A (en) * | 2013-04-07 | 2014-10-15 | 上海理工大学 | Wheelchair falling strength testing device |
| CN111307389A (en) * | 2020-04-08 | 2020-06-19 | 安徽风驰新能源科技股份有限公司 | Cylindrical lithium ion battery vibration testing device |
| CN113203535A (en) * | 2021-06-11 | 2021-08-03 | 中国工程物理研究院流体物理研究所 | Electromagnetic drive's heavy load impact vibrations environment simulation test equipment |
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| Publication number | Publication date |
|---|---|
| CN102589833B (en) | 2014-09-24 |
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