CN102680194B - Vibration test stand of magnetic wave sensor antenna - Google Patents
Vibration test stand of magnetic wave sensor antenna Download PDFInfo
- Publication number
- CN102680194B CN102680194B CN201110059317.9A CN201110059317A CN102680194B CN 102680194 B CN102680194 B CN 102680194B CN 201110059317 A CN201110059317 A CN 201110059317A CN 102680194 B CN102680194 B CN 102680194B
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- wave sensor
- magnetic wave
- vibration test
- test stand
- sensor antenna
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Abstract
The invention relates to a vibration test stand of a magnetic wave sensor antenna. The vibration test stand of the magnetic wave sensor antenna is used for fixing the magnetic wave sensor antenna on a vibration test platform and comprises a lateral plate (13), an installation supporting point (2) and a baseboard (18), wherein the baseboard (18) and the lateral plate (13) are perpendicular to each other and form an L shape, a bottom installation through hole (11) is arranged on the baseboard (18), and the lateral plate (13) fixes a part to be tested on the vibration test platform in three orthogonal directions through the baseboard (18). The vibration test stand of the magnetic wave sensor antenna fills in a gap in the aspect of ring die test devices, is suitable for three-dimensional vibration tests of parts to be tested of the same type and is convenient to use, and the part to be tested is accurate in installation direction and simple in direction conversion. The vibration test stand is low in high frequency resonance interference and secondary interference intensity and has extreme influence on test data of the part to be tested, and high frequency spectrum interference noise caused by the vibration test stand in sinusoidal vibration and random vibration test results can be completely ignored.
Description
Technical field
The present invention relates to test stand, particularly a kind of vibration test stand of magnetic wave sensor antenna.
Background technology
The magnetic wave sensor antenna of space low-frequency wave detector is usually contained in and stretches out in outside satellite health and length is the boom top of satellite load storehouse body diameter dimension more than 2 times distances, away from satelloid interference source.Before satellite lift-off is entered the orbit, boom body is that bending is locked in holder top by seat supports.During transmitting, satelloid is subject to judder makes the sensor amplitude of the boom end leaving support restraint point double to amplify and destructive resonance effect, acceleration extreme value in vibrational spectra is made to reach more than 2 times of celestial body, sinusoidal acceleration peak value can more than 40g, if do not controlled, can havoc sensor and boom structure.Therefore, ground ring mould test phase must do the tests such as strict analog amplitude amplification.And the magnetic wave sensor antenna that universal test vibrating grid directly can not load three vertical components except heaviness is unfavorable for simulation test also not easily avoids high order together with interference problems such as ripples.
Summary of the invention
The object of the invention is to, for realizing the problems referred to above, designing the vibration test stand of magnetic wave sensor antenna that a kind of satellite spatial wave detector sensor being applicable to having special construction uses in 40g acceleration vibration test.
For achieving the above object, propose a kind of vibration test stand of magnetic wave sensor antenna, this vibration test stand of magnetic wave sensor antenna, for fixing magnetic wave sensor antenna in vibration-testing platform, comprising: side plate 13 and installation fulcrum 2;
It is characterized in that, this test stand also comprises base plate 18; Described base plate 18 is mutually vertical, L-shaped with described side plate 13; Described base plate 18 is provided with bottom and installs through hole 11; Unit under test is fixed on vibration-testing platform along 3 orthogonal directionss by base plate 18 by described side plate 13.Described side plate 13 centre is provided with an elliptical hole 5.
Described elliptical hole 5 be centrally located at 50mm place directly over described side plate 13 center; The hole area of described elliptical hole 5 is not less than 1/4 of described side plate upper surface 16 area.
Described installation fulcrum 2 is in circular platform type, and described installation fulcrum 2 is arranged on side plate 13 towards on the face of unit under test; The top of described installation fulcrum 2 is provided with fulcrum screw 17.
Described side plate 13 is provided with some installation through holes 4 and is surrounded on around described elliptical hole 5.
The bottom of described side plate 13 is provided with rectangular through holes 6 in the below of elliptical hole 5, is provided with a link bar 12 in described rectangular through holes 6; Have the square-section through hole 8 being symmetrical in link bar 12 both sides in described rectangular through holes 6 and penetrate into bottom parts 18.
The section of described link bar 12 is prismatic.
Two angles at the top 15 of described side plate 13 are circular arc.
The invention has the advantages that, in ring mould testing equipment, filled up a blank, and be applicable to unit under test of the same type do three-dimensional vibrating test.This support is easy to use, measured piece installation position accurate, direction conversion is simple, test stand high-frequency resonant own interference and secondary interference strength lower, minimum on the test figure impact of measured piece, the high frequency spectrum interference noise in sinusoidal vibration and random vibration test result can be ignored completely.
Accompanying drawing explanation
Fig. 1 is a kind of vibration test stand of magnetic wave sensor antenna of the present invention.
Accompanying drawing identifies:
1, L-type plate 2, installation fulcrum 3, arc chord angle 4, installation through hole
5, elliptical hole 6, rectangular through holes 7, plate top surface 8, square-section through hole
9, through hole 12, dowel are installed in L-type back 10, elliptical hole wall 11, bottom
13, side plate 14, base plate bottom surface 15, side plate top 16, side plate upper surface
17, fulcrum screw 18, base plate
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
The invention provides a kind of vibration test stand of magnetic wave sensor antenna, comprising: L-type plate 1 and installation fulcrum 2; L-type plate 1 is the three-dimensional folded structure that a longitudinal section becomes L shape; L-type plate 1 comprises side plate 13 and base plate 18 two parts, the middle part of side plate planar has an elliptical hole 5 on side plate top 15, around having around elliptical hole, four installation through holes 4, four installation through holes are symmetrical with longitudinal geometry bisector of side plate upper surface; Side plate also has a rectangular through holes 6 between elliptical hole 5 and base plate, and being provided with section in described rectangular through holes is the link bar 12 of prismatic is communicated with base plate bottom surface 14 square-section through hole 8 with two; Described being positioned on test stand base plate 18 has two bottom installation through holes 11; Described installation fulcrum 2 is 4 conical round table be looped around around elliptical hole 5, and conical round table top is provided with the fulcrum screw 17 of fixing unit under test; Two angles at side plate top 15 are arc chord angles 3.
In technique scheme, described L-type plate 1 is made for metallic aluminium, L1: L2: L3 proportionate relationship of the three dimension scale of side plate 13 is: (25 ~ 32): (18 ~ 27): (4 ~ 6), wherein, L1, L2 and L3 are the length of side plate 13, width and thickness respectively.
In technique scheme, the length of base plate 18, width and thickness proportion are closed and are: (18 ~ 27): (6 ~ 11): (4 ~ 6).The thickness of base plate 18 refers to the vertical range between plate top surface 7 and these two planes of base plate bottom surface 14.
In technique scheme, the taper angle of the axial principal section of the cone cap shape round platform of described installation fulcrum 2 is 30 degree ~ 70 degree.
In technique scheme, the radius of described arc chord angle 3 is more than or equal to 1/8 of L-type plate width L2.
In technique scheme, the hole area of described elliptical hole 5 is not less than 1/4 of L-type plate side plate upper surface 16 area.
In technique scheme, the width of the base plate 18 of described L-type plate is not less than 1/10 of L-type plate plate portion length.
In technique scheme, the installation fulcrum 2 of described circular platform type is highly 30mm ~ 40mm.
The present invention is achieved by following technical proposals.First choose model LY-12, size is about 310mm × 220mm × aluminium sheet of 80mm, aluminium sheet removes a part of a yardstick 265mm × 220mm × 35mm, make remaining part become a longitudinal section to become the L-type plate 1 of L shape spatial structure, 4 symmetric positions of side plate upper surface 16 spacing 220mm × 185mm are offered the installation through hole 4 of diameter 15mm.With the geometry bisector of side plate upper surface 16 length direction for symmetrical center line, L-type plate 1 plane mills out the elliptical hole 5 that a major and minor axis is 160mm × 130mm, plate center 50mm is departed to plate top in the longitudinal direction in its center, the rectangular through holes 6 of 1 (60 ± 5) mm × (140 ± 15) mm is had between elliptical hole 5 and plate top surface 7, one side sidewall of rectangular through holes 6 is apart from large elliptical aperture sidewall 10 about 30mm, the another side sidewall of rectangular through holes 6 is positioned at plate top surface 7 institute planar, the both sides of rectangular through holes 6 are 35mm apart from L-type plate side plate 13 both sides, 2 square-section through holes 8 installed for vertical orientations are provided with between rectangular through holes 6 sidewall and place, base plate bottom surface 14 plane, square-section through hole has the cross section of 25mm × 13mm, also have 2 bottoms supplying vertical orientations to install that through hole 11 is installed between plate top surface 7 and base plate bottom surface 14.Be symcenter with elliptical hole 5 center of side plate, on 4 positions of 130mm × 130mm, be provided with the installation fulcrum 2 of 4 that the aluminium matter round platform part of side plate upper surface 16 about (35 ± 5) mm protruding from side plate 12 is used as sensor, upper, end diameter that truncated cone-shaped installs fulcrum 2 are respectively Φ 18mm and Φ 35mm.For reducing higher order resonances interference, arc chord angle 3 is processed into the arc chord angle of R >=50mm.
Four are installed through hole 4 is mounting holes that L-type plate keeps flat when being fixed on vibration-testing platform, and now, L-type back 9 is the face that whole L-type plate directly contacts with vibration-testing platform; Installing through hole 11 by square-section through hole 8 in base plate 18 and bottom makes L-type plate uprightly be fixed on vibration-testing platform, and now, base plate bottom surface 14 is installed surfaces.
Because the direction of vibration of universal vibration-testing platform is along single vertical direction vibration, therefore just can only to be realized by the different installation positions of vibration rack and unit under test at three-dimensional coordinate orientation test unit under test.Unit under test by with four install fulcrum 2 corresponding 4 installation foot bolts of square arrangement be separately fixed at and fulcrum 2 is installed just can realizes testing, the test carried out when L-type back 9 makes installed surface is exactly first Azimuth testing of unit under test; For the situation that base plate bottom surface 14 is installed surfaces, now four fulcrum screws 17 are on same vertical plane, unit under test is fixed on four by four installation feet the test that fulcrum 2 just can realize second orientation is installed, again unit under test is fixed to the test that just can realize the 3rd orientation relative to the perpendicular line 90-degree rotation of side plate 13 plane, thus just can achieve unit under test and be fixed on comprehensive test on vibration-testing platform along three orthogonal directionss.
Its maximum width of the prismatic section link bar 12 be directly processed to form is 30mm.
Sensor is rotated on support an angle of 90 degrees transposition and the vibration test that can realize in three-dimensional coordinate direction is installed.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a vibration test stand of magnetic wave sensor antenna, this vibration test stand of magnetic wave sensor antenna, for fixing magnetic wave sensor antenna in vibration-testing platform, comprising: side plate (13) and installation fulcrum (2);
It is characterized in that, this test stand also comprises base plate (18); Described base plate (18) is mutually vertical, L-shaped with described side plate (13); Described base plate (18) is provided with bottom and installs through hole (11); Unit under test is fixed on vibration-testing platform along three orthogonal directionss by base plate (18) by described side plate (13).
2. vibration test stand of magnetic wave sensor antenna according to claim 1, is characterized in that, described side plate (13) centre is provided with an elliptical hole (5).
3. vibration test stand of magnetic wave sensor antenna according to claim 2, is characterized in that, described elliptical hole (5) be centrally located at 50mm place directly over described side plate (13) center; The hole area of described elliptical hole (5) is not less than 1/4 of described side plate upper surface (16) area.
4. vibration test stand of magnetic wave sensor antenna according to claim 1, it is characterized in that, described installation fulcrum (2) is in circular platform type, and described installation fulcrum (2) is arranged on side plate (13) towards on the face of unit under test; The top of described installation fulcrum (2) is provided with fulcrum screw (17).
5. vibration test stand of magnetic wave sensor antenna according to claim 1 and 2, is characterized in that, described side plate (13) is provided with some installation through holes (4) and is surrounded on described elliptical hole (5) around.
6. vibration test stand of magnetic wave sensor antenna according to claim 1, it is characterized in that, the bottom of described side plate (13) is provided with rectangular through holes (6) in the below of elliptical hole (5), is provided with a link bar (12) in described rectangular through holes (6); Have the square-section through hole (8) being symmetrical in link bar (12) both sides in described rectangular through holes (6) and penetrate into bottom parts (18).
7. vibration test stand of magnetic wave sensor antenna according to claim 6, is characterized in that, the section of described link bar (12) is prismatic.
8. vibration test stand of magnetic wave sensor antenna according to claim 1, is characterized in that, two angles at the top (15) of described side plate (13) are circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110059317.9A CN102680194B (en) | 2011-03-11 | 2011-03-11 | Vibration test stand of magnetic wave sensor antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110059317.9A CN102680194B (en) | 2011-03-11 | 2011-03-11 | Vibration test stand of magnetic wave sensor antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102680194A CN102680194A (en) | 2012-09-19 |
| CN102680194B true CN102680194B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110059317.9A Expired - Fee Related CN102680194B (en) | 2011-03-11 | 2011-03-11 | Vibration test stand of magnetic wave sensor antenna |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142220B (en) * | 2014-07-23 | 2016-08-17 | 西安空间无线电技术研究所 | A kind of secular vibration experimental rig of rope-mesh type antenna metal net |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330331A (en) * | 1970-10-02 | 1973-09-19 | Wallace H W | Method and apparatus for generating a dynamic force field |
| US4656750A (en) * | 1984-05-23 | 1987-04-14 | Standard Telephones And Cables Public Limited Company | Heading sensor |
| CN2854549Y (en) * | 2005-11-08 | 2007-01-03 | 中国科学院空间科学与应用研究中心 | Vibration testing support of wave sensor |
| CN1967280A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院空间科学与应用研究中心 | Three weight sensor applied for satellite-loaded magnetic field fluctuation analysis meter |
-
2011
- 2011-03-11 CN CN201110059317.9A patent/CN102680194B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330331A (en) * | 1970-10-02 | 1973-09-19 | Wallace H W | Method and apparatus for generating a dynamic force field |
| US4656750A (en) * | 1984-05-23 | 1987-04-14 | Standard Telephones And Cables Public Limited Company | Heading sensor |
| CN2854549Y (en) * | 2005-11-08 | 2007-01-03 | 中国科学院空间科学与应用研究中心 | Vibration testing support of wave sensor |
| CN1967280A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院空间科学与应用研究中心 | Three weight sensor applied for satellite-loaded magnetic field fluctuation analysis meter |
Non-Patent Citations (1)
| Title |
|---|
| 一种低频磁场波动探测器;王作桂等;《中国空间科学学会空间探测专业委员会第十四次学术会议论文集》;20011231;第141-143页 * |
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| Publication number | Publication date |
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| CN102680194A (en) | 2012-09-19 |
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Address after: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee after: NATIONAL SPACE SCIENCE CENTER, CAS Address before: 100190 No. two south of Zhongguancun, Haidian District, Beijing 1 Patentee before: Space Science & Applied Research Centre, Chinese Academy of Sciences |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20210311 |