CN205002939U - Inductive coupling formula electric vibration table - Google Patents
Inductive coupling formula electric vibration table Download PDFInfo
- Publication number
- CN205002939U CN205002939U CN201520574578.8U CN201520574578U CN205002939U CN 205002939 U CN205002939 U CN 205002939U CN 201520574578 U CN201520574578 U CN 201520574578U CN 205002939 U CN205002939 U CN 205002939U
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- steel ring
- magnetic pole
- central magnetic
- electric vibration
- Prior art date
- 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
Links
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to an induction type shaking table technical field specifically discloses an inductive coupling formula electric vibration table. The outside support of magnet steel ring is fixed on the shaking table support in this shaking table to induction coil outside the coiling has on magnet steel ring's annular protruding eaves wall, central magnetic pole are supported by the bottom crown and fix at the inside annular protruding eaves center of magnet steel ring, and make the outer induction coil on the magnet steel ring corresponding with the interior induction coil on the central magnetic pole, the annular space of injecing at the protruding eaves lower surface of bottom crown and magnet steel ring annular to and the protruding eaves upper surface of magnet steel ring annular installs excitation and last excitation in the annular space that the top crown on magnet steel ring injectd respectively with fixing, moving part is located the top of central magnetic pole, and the cylinder section of thick bamboo structure of moving the part lower extreme is matchd and is arranged in magnet steel ring and goes up on outer induction coil and the central magnetic pole clearance between the induction coil. This shaking table has motion part simple structure, easy maintenance, light in weight, the higher advantage of intensity.
Description
Technical field
The utility model belongs to induction type shaking table technical field, is specifically related to a kind of inductive coupling type electric vibration table.
Background technology
Traditional electric vibration table, coiling on moving component, and electric current is passed through on coil, make it under static magnetic field, produce motion, for the shaking table compared with high thrust, portion in coil is also needed to pass through pure water, carry out cooling to winding and lower the temperature, namely in process of the test, water exists on moving-coil with electricity simultaneously, in high magnitude, high acceleration, under long-time test condition, easily there is heating in moving-coil, the phenomenon such as to leak, and moving-coil inputs big current in motion process also can produce unsafe hidden danger, if the insulation of moving-coil and stage body is inadequate, voltage easily punctures insulation course, there is sparking, the danger such as electric discharge, this is that himself to there is inherent shortcoming be thoroughly to solve.
At present, use various types of electric vibration table widely both at home and abroad, shaking table kind is a lot, their different from those is very large, thrust range from several kilograms to tens of ton, for the electric vibration table that thrust is larger, its operating frequency range is at 5-2000HZ, electric vibration table operating frequency range can reach 5-5000Hz, and the limit frequency sweep acceleration of electric vibration table is generally 100G, and casual acceleration is generally 80G.
Along with China's industry and scientific and technical development, vibration test is more and more universal, test condition is also more and more close to the thrust limit of shaking table, like this vibratory equipment is had higher requirement, namely the test capability (high magnitude) of equipment to be improved to meet the requirement of verification experimental verification, improve the reliability of equipment under high magnitude test condition again, and traditional electric vibration table due to water with electricity vibrate with moving component simultaneously, this version determines shaking table of numerous values, under the test condition of high acceleration, reliability can reduce, and be not also suitable for and test examination for a long time.
Therefore, how to design a kind of new-type electric vibration table, solve the shortcoming of direct coupling type shaking table, make it in process of the test, not directly by water and electricity on moving component, and the syndeton form of moving component is strengthened further, improve its one class resonant frequency, the frequency of utilization scope of raising shaking table, requirement simultaneously possesses high magnitude (random and frequency sweep is greater than 100G), high reliability becomes the direction becoming this area scientific research personnel and study.
Summary of the invention
The purpose of this utility model is to provide a kind of inductive coupling type electric vibration table, which overcome the shortcoming of conventional electric shaking table, simplify moving component and type of attachment, improve strength of joint and the rigidity of moving component, to reach high magnitude, high reliability, improve the effect of frequency range.
The technical solution of the utility model is as follows: a kind of inductive coupling type electric vibration table, this shaking table comprises magnet steel ring, central magnetic pole, moving component, wherein, magnet steel ring is the inner cylindrical structure with convex annular eaves, its external support is fixed on shaking table support, and outer inductive coil is wound with on the convex annular eaves wall of magnet steel ring, the central magnetic pole being wound with inner inductive coil is supported and fixed on magnet steel ring inner annular Tu Yan center by bottom crown, and makes the outer inductive coil on magnet steel ring corresponding with the inner inductive coil in central magnetic pole; At the annular space that bottom crown and magnet steel ring convex annular eaves lower surface limit, and magnet steel ring convex annular eaves upper surface is separately installed with lower excitation and upper excitation with being fixed in annular space that the top crown on magnet steel ring limits; Moving component is positioned at the top of central magnetic pole, and the cylindrical structure coupling running lower is on the upper outside inductive coil of magnet steel ring and central magnetic pole between inner inductive coil in gap.
Described moving component comprises motion skeleton and inductance loop, and wherein, the upper end of inductance loop is fixedly connected with the motion skeleton be positioned at above central magnetic pole.
Described inductance loop and motion skeleton are threaded connection, and add ring stiffener in coupling part, and utilize high-temp glue to be cured.
Described upper excitation and lower excitation adopt the metal tube coiling of hollow to form, and increase chilled water inlet port in upper excitation and lower excitation two ends, increase water outlet tap at middle part.
Above described top crown, support is installed, to realize the support to running skeleton.
Fan housing is provided with below described bottom crown.
Described motion skeleton is cylindrical-shaped structure.
Described motion skeleton adopts magnesium alloy cast to form.
Remarkable result of the present utility model is: a kind of inductive coupling type electric vibration table described in the utility model has the advantage that motion parts structure is simple, easy to maintenance, lightweight, intensity is higher, and connect without any water power on moving component, whole moving component is in zero potential state, without the need to insulation, shaking table does not operationally have accident generations such as puncturing and burn with anger, adds the safety in utilization of shaking table; Meanwhile, shaking table moving component coupling stiffness is comparatively large, and operating frequency range reaches more than 3000Hz, and adds shaking table continuous working failure free time, improves the reliability of shaking table; Shaking table has that vibrational waveform is good, high accelerates the advantages such as (sinusoidal, random >100g), high magnitude, anti-DC influence ability are strong; By a large amount of testing performance indexes and corresponding verification experimental verification, induction type jolting table shock response spectrum can reach 1500G, impact 11ms reaches 120G, sine sweep 160G, random vibration test 120G, all higher than DC coupling formula shaking table.
Accompanying drawing explanation
Fig. 1 is a kind of inductive coupling type electric vibration table structural representation described in the utility model;
Fig. 2 position a kind of inductive coupling type electric vibration table external structure schematic diagram described in the utility model;
In figure: 1, bottom crown; 2, central magnetic pole; 3, inner inductive coil; 4, magnet steel ring; 5, top crown; 6, motion skeleton; 7, upper support; 8, upper excitation; 9, outer inductive coil; 10, inductance loop; 11, lower excitation; 12, fan housing.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of inductive coupling type electric vibration table, comprise magnet steel ring 4, central magnetic pole 2, motion skeleton 6 and inductance loop 10, wherein, magnet steel ring 4 is the inner cylindrical structure with convex annular eaves, its external support is fixed on shaking table support, and outer inductive coil 9 is wound with on the convex annular eaves wall of magnet steel ring 4, the central magnetic pole 2 being wound with inner inductive coil 3 is supported and fixed on magnet steel ring 4 inner annular Tu Yan center by bottom crown 1, and makes the outer inductive coil 9 on magnet steel ring 4 corresponding with the inner inductive coil 3 in central magnetic pole 2; At the annular space that bottom crown 1 and magnet steel ring 4 convex annular eaves lower surface limit, and magnet steel ring 4 convex annular eaves upper surface is separately installed with lower excitation 11 and upper excitation 8 with being fixed in annular space that the top crown 5 on magnet steel ring 4 limits, wherein, upper excitation 8 and lower excitation 11 adopt the metal tube of hollow (such as copper pipe) coiling to form, and increase cooling inlet port in upper excitation 8 and lower excitation 11 two ends, water outlet tap is increased at middle part, adopt two to enter a mode out, cooled by pure water; The inductance loop 10 of the cylindrical tube shape structure in gap between inner inductive coil 3 on the upper outside inductive coil 9 of magnet steel ring 4 and central magnetic pole 2, its upper end is threaded with the motion skeleton 6 of cylindrical-shaped structure of the top being positioned at central magnetic pole 2, and the part be connected between motion skeleton 6 with inductance loop 10 adds ring stiffener, and utilize high-temp glue to be cured, motion skeleton 6 adopts magnesium alloy cast to form, both effectively alleviate the weight of moving component, turn increase its dynamic antivibration; Be provided with above top crown 5 and support 7, to realize, to the support running skeleton 6, being provided with fan housing 12 below bottom crown 1, to realize the heat radiation to shaking table.
During inductive coupling type electric vibration table work described in the utility model, by power amplifier to upper excitation 8 and lower excitation 11 input current, make it around electrical conductor, form high-intensity magnetic field, pass through in the loop that magnetic field is formed along permeability magnetic material bottom crown 1, central magnetic pole 2, magnet steel ring 4 and top crown 5, in air gap, form approximate saturated magnetic induction density B; After shaking table static magnetic field produces, input signal is by parameters such as the gain-adjusted output current of power amplifier and voltages, be applied to inner inductive coil 3 and outer inductive coil 9, the electrical quantitys such as the electric current on it are mapped on inductance loop 10 by tubular transformer-type, thus make moving component carry out work according to the oscillating curve of setting.
Claims (8)
1. an inductive coupling type electric vibration table, it is characterized in that: this shaking table comprises magnet steel ring (4), central magnetic pole (2), moving component, wherein, magnet steel ring (4) is the inner cylindrical structure with convex annular eaves, its external support is fixed on shaking table support, and outer inductive coil (9) is wound with on the convex annular eaves wall of magnet steel ring (4), the central magnetic pole (2) being wound with inner inductive coil (3) is supported and fixed on magnet steel ring (4) inner annular Tu Yan center by bottom crown (1), and make the outer inductive coil (9) on magnet steel ring (4) corresponding with the inner inductive coil (3) in central magnetic pole (2), at the annular space that bottom crown (1) and magnet steel ring (4) convex annular eaves lower surface limit, and magnet steel ring (4) convex annular eaves upper surface is separately installed with lower excitation (11) and upper excitation (8) with being fixed in annular space that the top crown (5) on magnet steel ring (4) limits, moving component is positioned at the top of central magnetic pole (2), and the cylindrical structure coupling running lower is arranged in gap between magnet steel ring (4) upper outside inductive coil (9) and the upper inner inductive coil (3) of central magnetic pole (2).
2. a kind of inductive coupling type electric vibration table according to claim 1, it is characterized in that: described moving component comprises motion skeleton (6) and inductance loop (10), wherein, the upper end of inductance loop (10) is fixedly connected with the motion skeleton (6) being positioned at central magnetic pole (2) top.
3. a kind of inductive coupling type electric vibration table according to claim 2, it is characterized in that: described inductance loop (10) and motion skeleton (6) are threaded connection, and add ring stiffener in coupling part, and high-temp glue is utilized to be cured.
4. a kind of inductive coupling type electric vibration table according to claim 1, it is characterized in that: described upper excitation (8) and lower excitation (11) adopt the metal tube coiling of hollow to form, and increase chilled water inlet port in upper excitation (8) and lower excitation (11) two ends, increase water outlet tap at middle part.
5. a kind of inductive coupling type electric vibration table according to claim 1, is characterized in that: described top crown (5) top is provided with support (7), to realize the support to running skeleton (6).
6. a kind of inductive coupling type electric vibration table according to claim 1, is characterized in that: described bottom crown (1) below is provided with fan housing (12).
7. a kind of inductive coupling type electric vibration table according to Claims 2 or 3, is characterized in that: described motion skeleton (6) is cylindrical-shaped structure.
8. a kind of inductive coupling type electric vibration table according to Claims 2 or 3, is characterized in that: described motion skeleton (6) adopts magnesium alloy cast to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574578.8U CN205002939U (en) | 2015-08-03 | 2015-08-03 | Inductive coupling formula electric vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574578.8U CN205002939U (en) | 2015-08-03 | 2015-08-03 | Inductive coupling formula electric vibration table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002939U true CN205002939U (en) | 2016-01-27 |
Family
ID=55159823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574578.8U Expired - Fee Related CN205002939U (en) | 2015-08-03 | 2015-08-03 | Inductive coupling formula electric vibration table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205002939U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525370A (en) * | 2016-11-15 | 2017-03-22 | 北京航天斯达科技有限公司 | Cooling device for vibration bench |
| CN106768750A (en) * | 2016-11-17 | 2017-05-31 | 北京航天斯达科技有限公司 | A kind of fixing means of induction type shake table and its driving coil |
| CN108007661A (en) * | 2017-12-26 | 2018-05-08 | 苏州东菱振动试验仪器有限公司 | A kind of moving-coil structure of no driving coil |
| WO2022217769A1 (en) * | 2021-04-13 | 2022-10-20 | 北京航天希尔测试技术有限公司 | Logical control method and apparatus for evaporative cooling of inductive-type vibration device |
| CN118168743A (en) * | 2024-03-13 | 2024-06-11 | 杭州腾振科技有限公司 | Vibration table energy saving method and system for adjusting exciting current through sine sweep test |
-
2015
- 2015-08-03 CN CN201520574578.8U patent/CN205002939U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525370A (en) * | 2016-11-15 | 2017-03-22 | 北京航天斯达科技有限公司 | Cooling device for vibration bench |
| CN106525370B (en) * | 2016-11-15 | 2019-01-18 | 北京航天斯达科技有限公司 | A kind of shake table cooling device |
| CN106768750A (en) * | 2016-11-17 | 2017-05-31 | 北京航天斯达科技有限公司 | A kind of fixing means of induction type shake table and its driving coil |
| CN108007661A (en) * | 2017-12-26 | 2018-05-08 | 苏州东菱振动试验仪器有限公司 | A kind of moving-coil structure of no driving coil |
| CN108007661B (en) * | 2017-12-26 | 2024-02-23 | 苏州东菱振动试验仪器有限公司 | Moving coil structure without driving coil |
| WO2022217769A1 (en) * | 2021-04-13 | 2022-10-20 | 北京航天希尔测试技术有限公司 | Logical control method and apparatus for evaporative cooling of inductive-type vibration device |
| GB2612678A (en) * | 2021-04-13 | 2023-05-10 | Ets Solutions Beijing Ltd | Logical control method and apparatus for evaporative cooling of inductive-type vibration device |
| US20240206121A1 (en) * | 2021-04-13 | 2024-06-20 | Ets Solutions (Beijing) Ltd. | Evaporative Cooling Logic Control Method and Apparatus of Inductive Vibration Device |
| CN118168743A (en) * | 2024-03-13 | 2024-06-11 | 杭州腾振科技有限公司 | Vibration table energy saving method and system for adjusting exciting current through sine sweep test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205002939U (en) | Inductive coupling formula electric vibration table | |
| CN104747651B (en) | A kind of paralleling model semi-active vibration-isolating device | |
| CN202602509U (en) | Reciprocating vibration power generation device with inner-column and outer-ring magnetic motion block | |
| CN109406082A (en) | A kind of shake table | |
| CN106768750A (en) | A kind of fixing means of induction type shake table and its driving coil | |
| CN105848064A (en) | Dual-magnetic-gap magnetic path system and loudspeaker with same | |
| CN105959880A (en) | T iron, magnetic circuit assembly and high-power loudspeaker | |
| CN206479302U (en) | A kind of induction type shake table | |
| CN105489356A (en) | Ultra-high voltage pulse transformer | |
| CN204284298U (en) | A kind of MR fluid shock absorber of powering based on brush | |
| CN108054891A (en) | A kind of common vertical frequency-changing three-phase asynchronous motor | |
| CN105529144B (en) | Coaxial reactor | |
| CN104464986B (en) | Insulating support structure in inflatable impulse voltage generator | |
| CN205812375U (en) | Double magnetic gap magnetic circuit systems and the speaker with this pair of magnetic gap magnetic circuit system | |
| CN201975236U (en) | Insulating structure of 35kV distribution transformer body | |
| CN101377446B (en) | Structure and method for connecting electric oscillating table short circuit ring | |
| CN201314863Y (en) | Short circuit ring structure suitable for long-stroke electric vibration table | |
| CN202203322U (en) | Double-ejection-rod magnetorheological damper | |
| CN208796830U (en) | A kind of external current mutual inductor for Cubicle Gas-Insulated Switchgear | |
| CN209730924U (en) | A kind of thermoacoustic electrical-coil structure | |
| CN101865755B (en) | Vibrating table short circuit ring cooling structure and preparation method thereof | |
| CN206022052U (en) | A kind of oil becomes ripple oil tank of transformer shell | |
| CN207662585U (en) | The electric vibration table magnetic structure and electric vibration table of improvement | |
| CN101561340B (en) | Effective water cooling short-circuit ring structure | |
| CN210325486U (en) | Low-voltage bushing of oil immersed transformer |
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: 20160127 Termination date: 20180803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |