CN105699036B - A kind of Double earthquakes simultaneously push away vibration test expanding table - Google Patents
A kind of Double earthquakes simultaneously push away vibration test expanding table Download PDFInfo
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- CN105699036B CN105699036B CN201610123736.7A CN201610123736A CN105699036B CN 105699036 B CN105699036 B CN 105699036B CN 201610123736 A CN201610123736 A CN 201610123736A CN 105699036 B CN105699036 B CN 105699036B
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- pedestal
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of Double earthquakes and push away vibration test expanding table, including panel, pedestal and force transmission mechanism, panel is equipped with multiple screw holes, pedestal is equipped with multiple connecting holes, force transmission mechanism is set between panel and pedestal and includes riser, short diagonal bar plate, long diagonal bar plate and vertical rib plate, two long diagonal bar plate is respectively placed in the outside of two risers, it is connected by two vertical rib plates side by side between long diagonal bar plate close to each other and riser, two short diagonal bar plate is respectively placed in the both ends of two risers, each short diagonal bar plate is connect with the corresponding end of two risers.The present invention is by being arranged the force transmission mechanism being made of the short diagonal bar plate of the riser at intermediate position, the long diagonal bar plate of both sides and vertical rib plate, both ends, make the dynamical stability of Double earthquakes table top, be efficiently transmitted to fixture/test specimen, simplify structure as possible under the premise of ensuring that the rigidity of structure meets vibrational excitation transmission demand, reduce quality, reduce kinetic equation loss, save cost, significantly improves oscillating load transmission efficiency.
Description
Technical field
The present invention relates to a kind of Double earthquakes and push away vibration test expanding table more particularly to a kind of high rigidity of structure and height
The Double earthquakes of oscillating load transmission efficiency simultaneously push away vibration test expanding table.
Background technology
When carrying out the vibration test of big quality test specimen, the thrust of separate unit shake table may be insufficient, can not implement to test.It is existing
Have to use Double earthquakes or multi shaker in technology and push away method and solves the problems, such as this.Double earthquakes simultaneously push away vibration test expanding table
It is the auxiliary device being connected between Double earthquakes and fixture/test specimen (i.e. fixture or test specimen), plays the work for transmitting oscillating load
With.
Traditional Double earthquakes and to push away vibration test with expanding table be general framework structure, people have found during the test,
Traditional Double earthquakes and the insufficient rigidity for pushing away vibration test expanding table, oscillating load will appear notable decaying, still will appear examination
Part, which is not achieved, should the problem of examination.If traditionally only increasing the size of expanding table, the quality of expanding table also can
Corresponding to improve, this will lead to the most of thrust of expanding table consumption, and so as to cause thrust deficiency, oscillating load transmission efficiency obviously drops
It is low.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of high rigidity of structure and high vibration load passes
It passs the Double earthquakes of efficiency and pushes away vibration test expanding table.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of Double earthquakes simultaneously push away vibration test expanding table, for connecting between Double earthquakes table top and fixture/test specimen
It connects to realize that power transmission acts on, Double earthquakes and to push away vibration test expanding table include panel, pedestal and force transmission mechanism, institute
It states panel and is equipped with multiple screw holes for being connect with the fixture/test specimen, the pedestal is equipped with multiple be used for and described pair
The connecting hole of vibration table surface connection, the force transmission mechanism are set between the panel and the pedestal and include vertical direction
The vertical rib plate of riser, the short diagonal bar plate being from bottom to top inclined outwardly, long the diagonal bar plate and vertical direction that are from bottom to top inclined outwardly,
Two long diagonal bar plates are respectively placed in the outside of two risers, the long diagonal bar plate close to each other and the riser it
Between connected by two vertical rib plates side by side, two short diagonal bar plates are respectively placed in the both ends of two risers, each
The short diagonal bar plate is connect with the corresponding end of two risers.
Preferably, angle, the short diagonal bar plate between the long diagonal bar plate and the panel and between the panel
Angle be 35 ° -45 °.This angle of inclination is that the overall performance of comprehensive force-transfer characteristic and the rigidity of structure considers, by testing
The force-transfer characteristic optimized and the rigidity of structure may be implemented in card.
For the ease of the bolt in mounting seat, the panel is equipped with multiple and the pedestal connecting hole in vertical side
To one-to-one faceplate through holes.
In order to further enhance the rigidity of structure, the top of two short diagonal bar plates and the top of four vertical rib plates it
Between also linked together by the reinforcing plate of horizontal direction, the reinforcing plate be located at below the panel and be less than the face
Plate, the reinforcing plate are equipped with multiple and the pedestal connecting hole in the one-to-one reinforcing plate through-hole of vertical direction.
Based on the actual application requirements, one between the short diagonal bar plate, the vertical rib plate, the panel and the reinforcing plate
Casting and forming or welding fabrication.
Based on the actual application requirements, the panel, the riser, the short diagonal bar plate, the long diagonal bar plate, the stud
Integrally casting shaping or welding fabrication between plate and the pedestal.
In order to reduce weight, save material and ensure the rigidity of structure, the middle part of the riser, the short diagonal bar plate middle part
It is respectively equipped with hollow out through-hole in the middle part of the long diagonal bar plate.
The beneficial effects of the present invention are：
The present invention realizes by the way that panel and pedestal is arranged and is effectively connect fixture/test specimen with Double earthquakes table top
Purpose；Force transmission mechanism is the emphasis of the present invention, by the way that the centre being connected with each other with the panel on top and the pedestal of lower part is arranged
The short diagonal bar plate of the riser at position, the long diagonal bar plate of both sides and vertical rib plate, both ends, makes dynamical stability, the height of Double earthquakes table top
It is transmitted to effect fixture/test specimen, simplifies structure as possible under the premise of ensuring that the rigidity of structure meets vibrational excitation transmission demand, subtract
Small quality reduces kinetic equation loss, saves cost, and oscillating load transmission efficiency, Ke Yigao are significantly improved compared to conventional Extension platform
Quality expeditiously completes Double earthquakes and pushes away vibration test.
Description of the drawings
Fig. 1 is Double earthquakes of the present invention and pushes away the three-dimensional structure diagram of vibration test expanding table；
Fig. 2 is Double earthquakes of the present invention and pushes away the office after vibration test removes panel with expanding table and cut open stereochemical structure
Figure.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, Double earthquakes of the present invention and vibration test expanding table is pushed away in Double earthquakes platform
It is connected between face (not shown) and fixture/test specimen (not shown) to realize that power transmission acts on, Double earthquakes and pushing away shake
Dynamic test expanding table includes panel 1, pedestal 6 and force transmission mechanism, and pedestal 6 is equipped with multiple be used for and the Double earthquakes table top
The connecting hole 10 of connection and multiple and pedestal 6 connecting hole 10 are on the one-to-one faceplate through holes 3 of vertical direction, panel 1
Equipped with multiple screw holes 2 for being connect with the fixture/test specimen, the force transmission mechanism is set between panel 1 and pedestal 6 and includes
The riser 9 of vertical direction, the short diagonal bar plate 12 being from bottom to top inclined outwardly, the long diagonal bar plate 5 being from bottom to top inclined outwardly and perpendicular
Histogram to vertical rib plate 11, angle, short diagonal bar plate 12 between long diagonal bar plate 5 and panel 1 and the angle between panel 1 are
35 ° -45 °, preferably 40 °, two long diagonal bar plate 5 are respectively placed in the outside of two risers 9, long diagonal bar plate 5 close to each other with it is vertical
It is connected by two vertical rib plates 11 side by side between plate 9, two short diagonal bar plate 12 is respectively placed in the both ends of two risers 9, each
A short diagonal bar plate 12 is connect with the corresponding end of two risers 9；The top of two short diagonal bar plate 12 and four vertical rib plates 11 it is upper
It is also linked together by the reinforcing plate of horizontal direction 7 between portion, reinforcing plate 7 is located at below panel 1 and is less than panel 1, adds
Strong plate 7 is equipped with multiple connecting holes 10 with pedestal 6 in the one-to-one reinforcing plate through-hole 8 of vertical direction, the middle part of riser 9,
The middle part of short diagonal bar plate 12 and the middle part of long diagonal bar plate 5 are respectively equipped with hollow out through-hole 4, panel 1, riser 9, short diagonal bar plate 12, length
Integrally casting shaping between diagonal bar plate 5, vertical rib plate 11, reinforcing plate 7 and pedestal 6, can also welding fabrication.
Combined with Figure 1 and Figure 2, when in use, first by the connecting hole 10 and Double earthquakes table top on the pedestal of this expanding table 6
Screw hole to the top of screw just, from top to bottom to be passed sequentially through to the faceplate through holes 3 on panel 1, the reinforcing plate in reinforcing plate 7 is led to
It is thrown in the screw hole of expanding table table top after 6 connecting hole 10 on hole 8 and pedestal, tightens the nut of screw upper end, that is, complete this
The connection of expanding table and Double earthquakes table top, connection speed is fast, and easy to disassemble.When needing jockey/test specimen by fixture/
The screw hole 2 of the connecting hole of test specimen and the panel 1 of this expanding table is to just, fixture/test specimen from top to bottom being passed through by the top of screw
Connecting hole is placed in the screw hole 2 of panel 1, tightens the nut on top, that is, completes the connection of this expanding table and fixture/test specimen, even
It is fast to connect speed, and easy to disassemble.
After installing, start two shake tables, the pedestal 6, force transmission mechanism and panel 1 that vibrational excitation passes through this expanding table
Fixture/test specimen is passed to, since the specific structure of this expanding table is before ensuring that the rigidity of structure meets vibrational excitation transmission demand
Put as possible simplify, so reducing quality, reducing kinetic equation loss, improve oscillating load transmission efficiency, can with high quality,
It expeditiously completes Double earthquakes and pushes away vibration test.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (6)
1. a kind of Double earthquakes simultaneously push away vibration test expanding table, for being connected between Double earthquakes table top and fixture/test specimen
To realize that power transmission acts on, it is characterised in that：Double earthquakes and to push away vibration test expanding table include panel, pedestal and biography
Force mechanisms, the panel are equipped with multiple screw holes for being connect with the fixture/test specimen, and the pedestal is equipped with multiple be used for
The connecting hole being connect with the Double earthquakes table top, the force transmission mechanism are set between the panel and the pedestal and include erecting
Histogram to riser, the short diagonal bar plate being from bottom to top inclined outwardly, the long diagonal bar plate and vertical direction that are from bottom to top inclined outwardly
Vertical rib plate, two long diagonal bar plates are respectively placed in the outside of two risers, the long diagonal bar plate close to each other with
It is connected by two vertical rib plates side by side between the riser, two short diagonal bar plates are respectively placed in the two of two risers
End, each described short diagonal bar plate are connect with the corresponding end of two risers；Between the long diagonal bar plate and the panel
Angle, the angle between the short diagonal bar plate and the panel be 35 ° -45 °.
2. Double earthquakes according to claim 1 simultaneously push away vibration test expanding table, it is characterised in that：It is set on the panel
There is multiple and the pedestal connecting hole in the one-to-one faceplate through holes of vertical direction.
3. Double earthquakes according to claim 1 or 2 simultaneously push away vibration test expanding table, it is characterised in that：Described in two
It is also linked together by the reinforcing plate of horizontal direction between the top and the top of four vertical rib plates of short diagonal bar plate, it is described
Reinforcing plate is located at below the panel and is less than the panel, and the reinforcing plate is equipped with multiple connecting holes with the pedestal
In the one-to-one reinforcing plate through-hole of vertical direction.
4. Double earthquakes according to claim 3 simultaneously push away vibration test expanding table, it is characterised in that：The short diagonal bar
Integrally casting shaping or welding fabrication between plate, the vertical rib plate, the panel and the reinforcing plate.
5. Double earthquakes according to claim 1 or 2 simultaneously push away vibration test expanding table, it is characterised in that：The panel,
Integrally casting shaping or welding between the riser, the short diagonal bar plate, the long diagonal bar plate, the vertical rib plate and the pedestal
Molding.
6. Double earthquakes according to claim 1 or 2 simultaneously push away vibration test expanding table, it is characterised in that：The riser
Middle part, the short diagonal bar plate middle part and the long diagonal bar plate in the middle part of be respectively equipped with hollow out through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123736.7A CN105699036B (en) | 2016-03-04 | 2016-03-04 | A kind of Double earthquakes simultaneously push away vibration test expanding table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123736.7A CN105699036B (en) | 2016-03-04 | 2016-03-04 | A kind of Double earthquakes simultaneously push away vibration test expanding table |
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| Publication Number | Publication Date |
|---|---|
| CN105699036A CN105699036A (en) | 2016-06-22 |
| CN105699036B true CN105699036B (en) | 2018-07-20 |
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| CN201610123736.7A Active CN105699036B (en) | 2016-03-04 | 2016-03-04 | A kind of Double earthquakes simultaneously push away vibration test expanding table |
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| CN106248327A (en) * | 2016-07-11 | 2016-12-21 | 北京强度环境研究所 | A kind of firing box Transport Vibration assay device and method |
| CN106404328B (en) * | 2016-10-11 | 2019-06-18 | 北京特种机械研究所 | The T-slot tooling for having universal quick crystallized ability suitable for shake table |
| CN106840565B (en) * | 2017-02-27 | 2023-08-15 | 中国工程物理研究院总体工程研究所 | Double-vibrating table connecting structure |
| CN109682559A (en) * | 2018-12-27 | 2019-04-26 | 天津航天瑞莱科技有限公司 | Double 35 tons of shake tables simultaneously swash test adjustment tooling |
| CN114112255A (en) * | 2020-08-26 | 2022-03-01 | 中国航空工业集团公司济南特种结构研究所 | Cantilever structure antenna house heavy load vibration test frock |
| CN112611530B (en) * | 2020-11-27 | 2021-10-26 | 中国科学院地质与地球物理研究所 | Base for vibration test tool of intelligent guide drilling downhole tool |
| CN114184341A (en) * | 2021-12-16 | 2022-03-15 | 内蒙航天动力机械测试所 | Multi-safety mechanism synchronous vibration tool |
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| US5309766A (en) * | 1991-06-24 | 1994-05-10 | Aerospatiale Societe Nationale Industrielle | Helicopter shaft vibration simulator |
| CN102226734A (en) * | 2011-03-28 | 2011-10-26 | 延锋百利得（上海）汽车安全系统有限公司 | Testing apparatus of impact vibration of general CAB |
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| CN204085829U (en) * | 2014-08-13 | 2015-01-07 | 南京工程学院 | The longitudinal auxiliary support structure of shaking table |
| CN204882017U (en) * | 2015-09-01 | 2015-12-16 | 南京康尼机电股份有限公司 | A extension mechanism for vibration test platform |
| CN205404067U (en) * | 2016-03-04 | 2016-07-27 | 中国工程物理研究院总体工程研究所 | Two shaking tables push away vibration test with extension platform |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309766A (en) * | 1991-06-24 | 1994-05-10 | Aerospatiale Societe Nationale Industrielle | Helicopter shaft vibration simulator |
| CN102226734A (en) * | 2011-03-28 | 2011-10-26 | 延锋百利得（上海）汽车安全系统有限公司 | Testing apparatus of impact vibration of general CAB |
| CN203465069U (en) * | 2013-07-03 | 2014-03-05 | 北京强度环境研究所 | General vibration extension platform for single-dimension vibration and three-dimension vibration |
| CN104062088A (en) * | 2014-06-05 | 2014-09-24 | 上海卫星装备研究所 | Light-weight and high-rigidity extended header for vibration test of spacecraft and vibration platform |
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| CN105699036A (en) | 2016-06-22 |
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