CN104075864A - Perpendicular vibration table with adjustable output frequency - Google Patents
Perpendicular vibration table with adjustable output frequency Download PDFInfo
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- CN104075864A CN104075864A CN201410307963.6A CN201410307963A CN104075864A CN 104075864 A CN104075864 A CN 104075864A CN 201410307963 A CN201410307963 A CN 201410307963A CN 104075864 A CN104075864 A CN 104075864A
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- vibration
- casing
- shaking table
- pushing arm
- frequency
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Abstract
The invention discloses a perpendicular vibration table with the adjustable output frequency. The perpendicular vibration table comprises a control system and a vibration system. The control system comprises a control box body, a processing circuit, a liquid crystal display screen, a sudden stop key, a frequency adjustor, a control system power switch and a vibration system power switch. The vibration system comprises a vibration box body, a motor, a motor controller, a transmission device, a vibration table panel, a fixing support and a frequency and acceleration sensor. The perpendicular vibration table is simple in structure, convenient to use and operate, firm in structure and not prone to damage, effectively improves quality detection and inspection working efficiency of the roller-type microswitches, and ensures measurement accuracy.
Description
Technical field
The present invention relates to a kind of being used for product is carried out to vibration-testing and the shaking table of testing use, especially relate to the adjustable vertical vibration table of a kind of output frequency, belong to electric power impact, shaking table field.
Background technology
Shaking table is for analog equipment is to manufacture, assembling is transported and use the various environment that meet with in the execute phase, in order to identify that whether product stands the ability of ambient vibration, is applicable to electronics, electromechanics, photoelectricity, locomotive, toy ... etc. research, exploitation, QC and the manufacture of all trades and professions.
But during reality is used, a lot of shaking tables are all to carry out sinusoidal vibration with horizontal direction, tangential movement can not embody object up-down vibration situation in practice, and horizontal vibration platform panel fixing device lacks, complex structure, bulky, use extremely inconvenient, more be not suitable for the product for some middle-size and small-size volumes of vibration-testing, as electronic product, photovoltaic, the product that more needs to carry out vertical vibration, low-and high-frequency test of toy one class.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of volume little, simple in structure, easy to operate, by regulating motor velocity of rotation to carry out the adjustable vertical vibration table of a kind of output frequency of regulating frequency.
It is as follows that this new design scheme solves the technical scheme that its technical matters adopts:
The adjustable vertical vibration table of a kind of output frequency, is characterized in that: comprise control system, vibrational system; Described control system comprises controls casing, treatment circuit, LCDs, rapid stop key, frequency regulator, control system power switch, vibrational system power switch; Described LCDs is connected with treatment circuit; Described vibrational system involving vibrations casing, motor, electric machine controller, gearing, shaking table panel, fixed support, frequency and acceleration transducer; Described electric machine controller input end is connected with rapid stop key, frequency regulator, and output terminal is connected with motor; Frequency and acceleration transducer are arranged on the central inner of shaking table panel, and fixed support is arranged on shaking table panel, and gearing one end is connected with motor, and the other end is connected with shaking table panel; Described gearing comprises the first power wheel, driving-belt, the second power wheel, bearing, support, eccentric gearing wheel, drive bearing, pushing arm, drive link, spring lever; Wherein, described the first power wheel is arranged on motor output shaft, and is connected with the second power wheel by driving-belt; The second described power wheel is arranged on one end of drive link, is fixedly installed eccentric gearing wheel on drive link, be also provided with two bearings, and two bearings is fixed on support on the both sides of taking turns in eccentric gearing, drive link; Described pushing arm is metallic cylinder, and side is provided with a wire guide; Described drive bearing is arranged on the lower end of pushing arm, and drive bearing contacts with eccentric gearing wheel, and the upper end of pushing arm is connected with shaking table panel through vibration casing; Around pushing arm, be respectively arranged with three spring levers, centered by pushing arm and shaking table panel tie point, three spring levers surround an equilateral triangle, spring lever upper end is connected with shaking table panel, lower end is through vibration casing and be provided with plug, by the spring-compressed on spring lever plug with vibrate between casing.
Further, by wire, the wire guide on pushing arm is connected with treatment circuit described frequency with acceleration transducer.
Between described control casing and vibration casing, be provided with wire casing.
On described support bracket fastened two heel posts and upper end floor beam, be respectively arranged with spiral fixed bar.
The lower end of described spiral fixed bar is provided with fixed bolster.
Described control casing is provided with vibration isolator with the bottom of vibration casing.
Beneficial effect of the present invention is: the present invention carries out sinusoidal vibration with vertical direction, according to the output frequency regulating, realize higher acceleration with less carrier (table top) quality, improve overall load ability and performance, simultaneously, device bottom is provided with vibration isolator, can minimizing equipment to the Vibration propagation on ground, prevent the interference between testing equipment.
brief description of the drawings:
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the vertical view of control desk of the present invention;
Fig. 3 is the side view of control desk of the present invention;
Fig. 4 is eccentric gearing wheel of the present invention and pushing arm upper driving bearing side view;
Fig. 5 is light current circuit part connection diagram of the present invention;
Fig. 6 is the structural representation of spring lever of the present invention;
Fig. 7 is the annexation schematic diagram for the treatment of circuit of the present invention.
In figure, main Reference numeral implication is as follows:
1, vibration casing, 2, control casing, 3, LCDs, 4, control system power switch,
5, vibrational system power switch, 6, rapid stop key, 7, frequency regulator, 8, wire casing, 9, vibration isolator,
10, electric machine controller, 11, motor, 12, the first power wheel, 13, driving-belt,
14, the second power wheel, 15, bearing, 16, support, 17, eccentric gearing wheel,
18, drive bearing, 19, pushing arm, 20, drive link, 21, spring lever, 22, spring,
23, shaking table panel, 24, fixed support, 25, spiral fixed bar, 26, screw thread,
27, fixed bolster, 28, frequency and acceleration transducer, 29, wire guide, 30, fixed bar.
embodiment:
Below in conjunction with accompanying drawing, the present invention is done to concrete introduction.
Fig. 1 is one-piece construction schematic diagram of the present invention; Fig. 2 is the vertical view of control desk of the present invention; Fig. 3 is the side view of control desk of the present invention; Fig. 4 is eccentric gearing wheel of the present invention and pushing arm upper driving bearing side view; Fig. 5 is light current circuit part connection diagram of the present invention; Fig. 6 is the structural representation of spring lever of the present invention; Fig. 7 is the annexation schematic diagram for the treatment of circuit of the present invention.
As shown in Fig. 1-Fig. 7: the adjustable vertical vibration table of a kind of output frequency, comprises control system and vibrational system.
Described control system comprises controls casing 2, treatment circuit, LCDs 3, rapid stop key 6, frequency regulator 7, control system power switch 5, vibrational system power switch 5; Described LCDs 3 is connected with treatment circuit;
Described vibrational system is involving vibrations casing 1, motor 11, electric machine controller 10, gearing, shaking table panel 23, fixed support 24, frequency and acceleration transducer 28; Described electric machine controller 10 input ends are connected with rapid stop key 6, frequency regulator 7, and output terminal is connected with motor 11, and are provided with wire casing 8 between described control casing 2 and vibration casing 1, and are provided with vibration isolator 9 in the bottom of controlling casing and vibration casing; Frequency and acceleration transducer 28 are arranged on the central inner of shaking table panel 23, and by wire, the wire guide 29 on pushing arm is connected with treatment circuit described frequency with acceleration transducer 28, fixed support 24 is arranged on shaking table panel 23, and be respectively arranged with fixed bar 30 on two heel posts of fixed support 24 and upper end floor beam, and described fixed bar 30 is a spiral fixed bar, its lower end is provided with fixed bolster 27, and described gearing one end is connected with motor 11, the other end is connected with shaking table panel 23.
In the present embodiment, described gearing comprises the first power wheel 12, driving-belt 13, the second power wheel 14, bearing 15, support 16, eccentric gearing wheel 17, drive bearing 18, pushing arm 19, drive link 20 and spring lever 21; Wherein, described the first power wheel 12 is arranged on the output shaft of motor 11, and is connected with the second power wheel 14 by driving-belt 13; The second described power wheel 14 is arranged on one end of drive link 20, is fixedly installed eccentric gearing wheel 17 on drive link 20, be also provided with two bearings 15, and two bearings 15 is fixed on support 16 on the both sides of eccentric gearing wheel 17, drive link 20; Described pushing arm 19 is metallic cylinder, and side is provided with a wire guide 29; Described drive bearing 18 is arranged on the lower end of pushing arm 19, and drive bearing 18 contacts with eccentric gearing wheel 17, and the upper end of pushing arm 19 is connected with shaking table panel 23 through vibration casing 1; Around pushing arm 19, be respectively arranged with three spring levers 31, centered by pushing arm 19 and shaking table panel 23 tie points, three spring levers 31 surround an equilateral triangle, spring lever 31 upper ends are connected with shaking table panel 23, lower end is through vibration casing 1 and be provided with plug, and the spring on spring lever 31 22 is compressed between plug and vibration casing 1.
Making its oscillation trajectory is in the vertical direction sinusoidal curve
Specific works process of the present invention is:
Opening control power switch 4, treatment circuit starts System self-test, and LCDs 3 shows self-inspection process, and after self-inspection completes, treatment circuit enters duty, and LCDs 3 shows detection data.
The object that needs vibration-testing is put on shaking table panel 23, is fixed by the fixed bar 30 on fixed support 24; Open vibrational system power switch 5, controlling electric machine controller 10 by regulating frequency regulator 7 starts working motor 11, the data that frequency and acceleration transducer 28 record set time point send treatment circuit to, data show by LCDs 3, operating personnel carry out regulating frequency regulator 7 according to the data that show, till reaching the frequency values of require vibration always.Motor 11 drives drive link 20 to turn round through the first power wheel 12, driving-belt 13, the second power wheel 14 power, by the eccentric gearing wheel 17 of installing on drive link 20, and under the acting in conjunction of drive bearing 18, pushing arm 19, spring lever 21, gearing produces the displacement of vertical direction, pass through thrust, fixing of one end of 19 and shaking table panel 23, thus the perpendicular displacement that gearing is produced passes to shaking table panel 23.
Motor 11 in the present invention, the first power wheel 12, driving-belt 13, the second power wheel 14, drive link 20, eccentric gearing wheel 17, drive bearing 19, pushing arm 19, spring lever 21 compositions ensure that shaking table becomes the gearing of sinusoidal curve vibration, the uniform rotation that it can be made motor 11, converts the sinusoidal vertical vibration of shaking table to.
Its vibration equation formula is as follows:
γ=ωRsin(ωt+φ)
α=ω
2Rcos(ωt+φ)
Wherein, γ is shaking table vertical direction linear velocity;
R is the radius of eccentric gearing wheel;
ω is the angular velocity of eccentric gearing wheel;
φ is initial phase;
T shaking table working time;
α is shaking table vertical direction linear acceleration.
The present invention is by regulating motor operation speed to realize the change of frequency, amplitude and acceleration.Carry out sinusoidal vibration with vertical direction, according to the output frequency regulating, realize higher acceleration with less carrier (table top) quality, improve overall load ability and performance, simultaneously, device bottom is provided with vibration isolator, can minimizing equipment to the Vibration propagation on ground, prevent the interference between testing equipment.
The present invention is illustrated and should be appreciated that above-described embodiment does not limit the present invention in any form according to above-described embodiment, and all employings are equal to replaces or the technical scheme that obtains of equivalent transformation mode, within all dropping on protection scope of the present invention.
Claims (6)
1. the adjustable vertical vibration table of output frequency, is characterized in that: comprise control system, vibrational system; Described control system comprises controls casing, treatment circuit, LCDs, rapid stop key, frequency regulator, control system power switch, vibrational system power switch; Described LCDs is connected with treatment circuit; Described vibrational system involving vibrations casing, motor, electric machine controller, gearing, shaking table panel, fixed support, frequency and acceleration transducer; Described electric machine controller input end is connected with rapid stop key, frequency regulator, and output terminal is connected with motor; Frequency and acceleration transducer are arranged on the central inner of shaking table panel, and fixed support is arranged on shaking table panel plate, and gearing one end is connected with motor, and the other end is connected with shaking table panel; Described gearing comprises the first power wheel, driving-belt, the second power wheel, bearing, support, eccentric gearing wheel, drive bearing, pushing arm, drive link, spring lever; Wherein, described the first power wheel is arranged on motor output shaft, and is connected with the second power wheel by driving-belt; The second described power wheel is arranged on one end of drive link, is fixedly installed eccentric gearing wheel on drive link, be also provided with two bearings, and two bearings is fixed on support on the both sides of taking turns in eccentric gearing, drive link; Described pushing arm is metallic cylinder, and side is provided with a wire guide; Described drive bearing is arranged on the lower end of pushing arm, and drive bearing contacts with eccentric gearing wheel, and the upper end of pushing arm is connected with shaking table panel through vibration casing; Around pushing arm, be respectively arranged with three spring levers, centered by pushing arm and shaking table panel tie point, three spring levers surround an equilateral triangle, spring lever upper end is connected with shaking table panel, lower end is through vibration casing and be provided with plug, by the spring-compressed on spring lever plug with vibrate between casing.
2. the adjustable vertical vibration table of a kind of output frequency according to claim 1, is characterized in that, by wire, the wire guide on pushing arm is connected with treatment circuit described frequency with acceleration transducer.
3. the adjustable vertical vibration table of a kind of output frequency according to claim 1, is characterized in that, between described control casing and vibration casing, is provided with wire casing.
4. the adjustable vertical vibration table of a kind of output frequency according to claim 1, is characterized in that, on described support bracket fastened two heel posts and upper end floor beam, is respectively arranged with spiral fixed bar.
5. the adjustable vertical vibration table of a kind of output frequency according to claim 4, is characterized in that, the lower end of described spiral fixed bar is provided with fixed bolster.
6. the adjustable vertical vibration table of a kind of output frequency according to claim 1, is characterized in that, described control casing is provided with vibration isolator with the bottom of vibration casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307963.6A CN104075864A (en) | 2014-06-30 | 2014-06-30 | Perpendicular vibration table with adjustable output frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307963.6A CN104075864A (en) | 2014-06-30 | 2014-06-30 | Perpendicular vibration table with adjustable output frequency |
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| CN104075864A true CN104075864A (en) | 2014-10-01 |
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| CN201410307963.6A Pending CN104075864A (en) | 2014-06-30 | 2014-06-30 | Perpendicular vibration table with adjustable output frequency |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520436A (en) * | 2015-12-08 | 2016-04-27 | 江苏科技大学 | Crib electric vibration control apparatus and method for controlling crib vibration |
| CN106890070A (en) * | 2017-03-30 | 2017-06-27 | 刘世杰 | A kind of eccentric oscillator |
| CN107356393A (en) * | 2017-05-31 | 2017-11-17 | 江苏金钿实业有限公司 | A kind of wrist-watch vibrates water-proof performance testing apparatus |
| CN107390502A (en) * | 2017-05-31 | 2017-11-24 | 江苏金钿实业有限公司 | A kind of wrist-watch vibrates water resistance detection method |
| CN107991084A (en) * | 2017-12-26 | 2018-05-04 | 上海缙晟创意服务有限公司 | A kind of pre- child-resistant asphyxia widget test barrel |
| CN108760213A (en) * | 2018-08-21 | 2018-11-06 | 福州艾斯佩克检测设备有限公司 | One kind can vertical-horizontal sine orientation vibration testing device |
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| CN1885033A (en) * | 2005-06-24 | 2006-12-27 | 中国石油化工股份有限公司 | Mechanical cement slurry vibration tester |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520436A (en) * | 2015-12-08 | 2016-04-27 | 江苏科技大学 | Crib electric vibration control apparatus and method for controlling crib vibration |
| CN106890070A (en) * | 2017-03-30 | 2017-06-27 | 刘世杰 | A kind of eccentric oscillator |
| CN107356393A (en) * | 2017-05-31 | 2017-11-17 | 江苏金钿实业有限公司 | A kind of wrist-watch vibrates water-proof performance testing apparatus |
| CN107390502A (en) * | 2017-05-31 | 2017-11-24 | 江苏金钿实业有限公司 | A kind of wrist-watch vibrates water resistance detection method |
| CN107390502B (en) * | 2017-05-31 | 2019-02-19 | 江苏金钿实业有限公司 | A kind of wrist-watch vibration waterproof performance detection method |
| CN107356393B (en) * | 2017-05-31 | 2019-02-19 | 江苏金钿实业有限公司 | A kind of wrist-watch vibration water-proof performance testing apparatus |
| CN107991084A (en) * | 2017-12-26 | 2018-05-04 | 上海缙晟创意服务有限公司 | A kind of pre- child-resistant asphyxia widget test barrel |
| CN108760213A (en) * | 2018-08-21 | 2018-11-06 | 福州艾斯佩克检测设备有限公司 | One kind can vertical-horizontal sine orientation vibration testing device |
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Application publication date: 20141001 |
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