CN206019970U - A kind of shake table - Google Patents
A kind of shake table Download PDFInfo
- Publication number
- CN206019970U CN206019970U CN201620798320.0U CN201620798320U CN206019970U CN 206019970 U CN206019970 U CN 206019970U CN 201620798320 U CN201620798320 U CN 201620798320U CN 206019970 U CN206019970 U CN 206019970U
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- CN
- China
- Prior art keywords
- slide
- vibrator
- vibration
- sliding sleeve
- signal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a kind of shake table, including vibration component, control circuit and detector;The control circuit is connected with the vibration component, and sending signal controls the vibration component vibration;The detector detects the vibration of the vibration component, and feeds back to the control circuit;The vibration component includes pedestal, vibrator, slide, table top, connector and multiple sliding sleeves;The vibrator and the slide are sequentially fixed on the pedestal;The table top is connected with the vibrator by the connector;The top of the sliding sleeve is fixed on the table top, and the lower slide of the sliding sleeve is arranged on the slide.The utility model constitutes compact vibration component by pedestal, vibrator, slide, connector, table top and multiple sliding sleeves, then coordinates control circuit and detector, forms simple structure, small volume and a portable shake table.
Description
Technical field
The utility model is related to shake table field, more particularly to a kind of shake table.
Background technology
In the various vibration tests of analog equipment actual condition and structural strength, it is often necessary to which shake table is used as test
Vibration source.Such as, in earthquake simulation test, it usually needs Research on Shaking Table for Simulating produces certain vibrational excitation signal, and acts on
Subjects, by obtaining response of the subjects in the vibrational excitation signal, and then determine the parameter of subjects.Or,
In the calibration of vibration pickup, sensor of the vibrational excitation signal to vibration pickup is produced by shake table, by obtaining sensor
Response, realizes the calibration to vibration pickup.
Existing shake table can provide larger load, and also larger subjects can be tested, but, existing
Shake table complex structure and volume weight is larger, do not possess portable function, it is impossible to realize whenever and wherever possible to pick-up
The equipment conveyings such as vibration pickup can only be tested by the calibration of the equipment such as device to special laboratory.In addition, existing shake table
Auxiliary facility is more, troublesome poeration, and cost is high, is not particularly suited for simple vibration test.
Utility model content
The utility model be to overcome the shortcoming of prior art with not enough, there is provided a kind of simple structure, small volume, be easy to take
Band, low cost, auxiliary facility shake table few, simple to operate.
The utility model is achieved through the following technical solutions:A kind of shake table, including vibration component, control circuit and
Detector;The control circuit is connected with the vibration component, and sending signal controls the vibration component vibration;The detection
Instrument detects the vibration of the vibration component, and feeds back to the control circuit;The vibration component includes pedestal, vibrator, cunning
Seat, table top, connector and multiple sliding sleeves;The vibrator and the slide are sequentially fixed on the pedestal;The table top leads to
Cross the connector to be connected with the vibrator;The top of the sliding sleeve is fixed on the table top, and the bottom of the sliding sleeve is slided
Move and be arranged on the slide.
Compared to prior art, the utility model passes through pedestal, vibrator, slide, connector, table top and multiple sliding sleeve groups
Into compact vibration component, then coordinate control circuit and detector, form simple structure, small volume and portable shake
Dynamic platform.Further, shake table auxiliary facility of the present utility model is few, simple to operate, low cost, it is adaptable to simple vibration examination
Test.
Further, the slide includes bracing frame and at least two slide bars;Support frame as described above is simultaneously vertically fixed on described
On pedestal;Two slide bars are parallel relative and are fixed on support frame as described above, and the lower section positioned at the table top.
Further, the lower surface of the slide bar is provided with slide rail;The bottom of the sliding sleeve is provided with the slide bar opposite side
Ball;The ball is arranged on the slide rail, is slidably connected with constituting with the slide rail.
Further, the control circuit includes signal generator, D/A converter, power amplifier and A/D converter;
The signal generator is connected with the computer of outside, and receives the input signal of the computer;The signal generator connects
The signal of the computer input is received, and corresponding digital voltage signal is sent to the D/A converter;The D/A converter
It is converted into after analog voltage signal, being sent to the power amplifier by digital voltage signal;The power amplifier will simulate electricity
Pressure signal is transported to the vibrator after being amplified, and vibrates the vibrator;The A/D converter receives the inspection
After surveying the analog vibration signal of instrument transmission, the analog vibration signal is converted to the calculating that vertical vibrating signal sends back outside
Machine.
Compared to prior art, the utility model passes through pedestal, vibrator, slide, connector, table top and multiple sliding sleeve groups
Into compact vibration component, then coordinate control circuit and detector, form simple structure, small volume and portable shake
Dynamic platform.Further, shake table auxiliary facility of the present utility model is few, simple to operate, low cost, it is adaptable to simple vibration examination
Test.
In order to more fully understand and implement, the utility model is described below in conjunction with the accompanying drawings in detail.
Description of the drawings
Fig. 1 is the forward sight structural representation of the utility model shake table;
Fig. 2 is the backsight structural representation of the utility model shake table;
Fig. 3 is the theory diagram of the utility model shake table.
Specific embodiment
The present embodiment is to solve the problems, such as that existing shake table is not readily portable, devises a kind of new shake table, specifically
, refer to Fig. 1 and Fig. 2, Fig. 1 be the utility model shake table forward sight structural representation;Fig. 2 is the utility model shake table
Backsight structural representation.The shake table includes vibration component 1, control circuit 2 and detector 3.The control circuit 2 with described
Vibration component 1 connects, and sending signal controls the vibration component 1 and vibrates, and the detector 3 detects the vibration component
1 vibration, and the control circuit 2 is fed back to, to adjust the vibrational state of the vibration component 1.
Big and not readily portable in order to solve the problems, such as existing shake table complex structure, volume, the present embodiment devises one
Individual vibration component 1 simple and compact for structure.The vibration component 1 includes pedestal 11, vibrator support base 12, vibrator 13, company
Fitting 14, table top 15, slide 16 and multiple sliding sleeves 17.The vibrator support base 12 and slide 16 are sequentially fixed on the pedestal
On 11, the vibrator 13 is arranged on the vibrator 13.The table top 15 is by the connector 14 and the vibrator
13 are fixedly connected, and do left and right back and forth movement under the promotion of the vibrator 13.The top of the sliding sleeve 17 and the table top
15 are fixedly connected, and the lower slide of the sliding sleeve 17 is arranged on the slide 16, to support the table top 15, and with described
Face 15 and do left and right back and forth movement on the slide 16.
In the present embodiment, the vibrator support base 12 includes base plate 121 and riser 122;121 level of the base plate is fixed
On the pedestal 11, the riser 122 is vertically fixed on the base plate 121.
In the present embodiment, the vibrator 13 is provided with the voltage signal inputs for driving the vibrator 13 to vibrate
Mouth 131, the voltage signal inputs mouth 131 is connected with the control circuit 2.
In order to realize that the sliding sleeve 17 horizontally slips on the slide 16 with the table top 15, can institute on the slide
Stating slide 16 includes bracing frame 161 and at least two slide bars 162;Support frame as described above 161 is vertically fixed on the pedestal 11.Institute
State two slide bars 162 parallel relative and be fixed on support frame as described above 161, and the lower section positioned at the table top 15.The slide bar
162 lower surface is provided with the slide rail for being slidably connected with the sliding sleeve.
In the present embodiment, support frame as described above 161 includes four support bars, and each two support bar is one group, to support fixation
A piece slide bar 162.
In order to realize being fixedly connected for the sliding sleeve 17 and the table top 15 and slide 16, the sliding sleeve 17 is a concentric stroking
Set 17, its underpart is set on the slide 16, and top is fixed on the table top 15.The bottom of the sliding sleeve 17 and the cunning
162 opposite side of bar is provided with ball, and the ball is arranged on the slide rail on the slide bar 162, to be constituted cunning with the slide bar 162
Dynamic connection.In the present embodiment.The sliding sleeve 17 has four, and each two is set on a slide bar 162 for one group.
Fig. 3 is referred to, which is the theory diagram of the utility model shake table.The control circuit 2 includes signal generator
21st, signal generator 22, power amplifier 23 and A/D converter 24.The signal generator 21 is connected with the computer 4 of outside
Connect, and receive the input signal of the computer 4.The signal generator 21 receives the signal of the input of the computer 4, concurrently
Corresponding digital voltage signal is sent to the signal generator 22;Digital voltage signal is converted into mould by the signal generator 22
The power amplifier 23 is sent to after intending voltage signal;The power amplifier 23 is defeated after analog voltage signal is amplified
The vibrator 13 is sent to, vibrates the vibrator 13.The A/D converter 24 receives the transmission of the detector 3
After analog vibration signal, the analog vibration signal is converted to the computer 4 that vertical vibrating signal sends back outside, to be shaken
Dynamic feedback.
The detector 3 is an accelerometer, and the accelerometer is fixed on the table top 15, to detect the table top
15 vibration, and vibration signal is fed back to the control circuit 2.
During use, a computer 4 is connected the control circuit 2, the vibration frequency of input demand in the computer 4, and
Send control signals to the control circuit 2.The control circuit 2 carries out control signal after conversion and enhanced processing, transmission
Arrive the vibrator 13.The vibrator 13 receives the control signal, and drives the connecting rod bilateral reciprocation, and then
Promote 15 bilateral reciprocation of the table top.The sliding sleeve 17 the table top 15 vibration drive under, also along the slide bar 162
Left and right back and forth movement is done, the load-bearing pressure of connecting rod to support the table top 15 and aid in the table top 15 to vibrate, is reduced.Described
Detector 3 detects the Vibration Condition of the table top 15, and feeds back to the computer 4, can obtain vibration anti-in computer 4
Feedback.
Compared to prior art, the utility model passes through pedestal, vibrator, slide, connector, table top and multiple sliding sleeve groups
Into compact vibration component, then coordinate control circuit and detector, form simple structure, small volume and portable shake
Dynamic platform.Further, shake table auxiliary facility of the present utility model is few, simple to operate, low cost, it is adaptable to simple vibration examination
Test.
The utility model is not limited to above-mentioned embodiment, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these changes and deformation belong to claim of the present utility model and equivalent technologies
Within the scope of, then the utility model is also intended to comprising these changes and deforms.
Claims (10)
1. a kind of shake table, it is characterised in that including vibration component, control circuit and detector;The control circuit with described
Vibration component connects, and sending signal controls the vibration component vibration;The detector detects the vibration of the vibration component,
And feed back to the control circuit;The vibration component includes pedestal, vibrator, slide, table top, connector and multiple sliding sleeves;
The vibrator and the slide are sequentially fixed on the pedestal;The table top is connected with the vibrator by the connector
Connect;The top of the sliding sleeve is fixed on the table top, and the lower slide of the sliding sleeve is arranged on the slide.
2. shake table according to claim 1, it is characterised in that the slide includes bracing frame and at least two slide bars;
Support frame as described above is vertically fixed on the pedestal;Two slide bars are parallel relative and are fixed on support frame as described above, and position
Lower section in the table top.
3. shake table according to claim 2, it is characterised in that the lower surface of the slide bar is provided with slide rail;The sliding sleeve
Bottom be provided with ball with the slide bar opposite side;The ball is arranged on the slide rail.
4. shake table according to claim 2, it is characterised in that the sliding sleeve is circular sliding sleeve;And under the sliding sleeve
Portion is set on the slide bar, and is connected with the sliding bar;The top of the sliding sleeve is fixed on the table top.
5. shake table according to claim 4, it is characterised in that the sliding sleeve has four, and each two is set in for a group
On a piece slide bar.
6. shake table according to claim 2, it is characterised in that support frame as described above includes four support bars, each two
Stay is one group, supports and fixes a slide bar.
7. shake table according to claim 1, it is characterised in that the control circuit includes signal generator, D/A conversions
Device, power amplifier and A/D converter;The signal generator is connected with the computer of outside, and receives the computer
Input signal;The signal generator receives the signal of the computer input, and sends corresponding digital voltage signal to institute
State D/A converter;Digital voltage signal is converted into being sent to the power amplification after analog voltage signal by the D/A converter
Device;The power amplifier is transported to the vibrator after analog voltage signal is amplified, make the vibrator shake
Dynamic;After the A/D converter receives the analog vibration signal of the detector transmission, the analog vibration signal is converted to vertically
Vibration signal sends back the computer of outside.
8. shake table according to claim 1, it is characterised in that the detector is an accelerometer, the acceleration
Meter is fixed on the table top.
9. shake table according to claim 1, it is characterised in that the vibration component is also included for fixing the exciting
The vibrator support base of device;The vibrator support base includes base plate and riser;The floor level is fixed on the pedestal,
The riser is vertically fixed on the base plate.
10. shake table according to claim 1, it is characterised in that the vibrator is provided with for driving the exciting
The voltage signal inputs mouth of device vibration;The voltage signal inputs mouth is connected with the control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620798320.0U CN206019970U (en) | 2016-07-27 | 2016-07-27 | A kind of shake table |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620798320.0U CN206019970U (en) | 2016-07-27 | 2016-07-27 | A kind of shake table |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206019970U true CN206019970U (en) | 2017-03-15 |
Family
ID=58246308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620798320.0U Expired - Fee Related CN206019970U (en) | 2016-07-27 | 2016-07-27 | A kind of shake table |
Country Status (1)
Country | Link |
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CN (1) | CN206019970U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107748280A (en) * | 2017-10-19 | 2018-03-02 | 魏爱玲 | A kind of electric automatization testboard |
CN108775997A (en) * | 2018-08-13 | 2018-11-09 | 江西理工大学 | A kind of civil engineering structure seismic testing device |
CN110057524A (en) * | 2019-05-27 | 2019-07-26 | 中国工程物理研究院总体工程研究所 | Broadband dual stage based on slide unit simultaneously pushes away pilot system |
-
2016
- 2016-07-27 CN CN201620798320.0U patent/CN206019970U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107748280A (en) * | 2017-10-19 | 2018-03-02 | 魏爱玲 | A kind of electric automatization testboard |
CN108775997A (en) * | 2018-08-13 | 2018-11-09 | 江西理工大学 | A kind of civil engineering structure seismic testing device |
CN110057524A (en) * | 2019-05-27 | 2019-07-26 | 中国工程物理研究院总体工程研究所 | Broadband dual stage based on slide unit simultaneously pushes away pilot system |
CN110057524B (en) * | 2019-05-27 | 2023-11-03 | 中国工程物理研究院总体工程研究所 | Broadband double-bench parallel pushing test system based on sliding table |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200727 |
|
CF01 | Termination of patent right due to non-payment of annual fee |