CN203490052U - Five-DOF spherical vibration decoupling - Google Patents
Five-DOF spherical vibration decoupling Download PDFInfo
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- CN203490052U CN203490052U CN201320566288.XU CN201320566288U CN203490052U CN 203490052 U CN203490052 U CN 203490052U CN 201320566288 U CN201320566288 U CN 201320566288U CN 203490052 U CN203490052 U CN 203490052U
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- vibration uncoupling
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Abstract
The utility model discloses a Five-DOF spherical vibration decoupling apparatus comprising at least two vibration decoupling devices; flange plates on two ends of the at least two vibration decoupling devices are commonly connected on one switch plate.
Description
Technical field
The utility model relates to a kind of device, refers to especially a kind of vibration uncoupling device.
Background technology
Some multi pilot systems have been set up in more domestic correlative study chambers, the subjects of these systems mainly concentrates on the key equipments such as inertial navigation, blocker, this class test can be examined environmental suitability and the reliability of airborne equipment well, but the defect existing on the assembly technologies such as connecting portion between the connecting portion between product on the connecting portion between product, bullet on each bullet and cabin body, general assembly cable and plug and each cabin body can not be found in time, and these defects only just can be excited out sometimes in multi environment.Along with missile weapon system working environment is more and more severe, except the airborne equipment of the keys such as inertial navigation need to carry out ground validation under multiaxis environment, the reliability of the one-piece construction of guided missile under multi environment also becomes very important, and this just requires full bullet to carry out multi test.Figure 1A, Figure 1B are the bulb decoupling device structural representation of prior art, the vibration uncoupling device of prior art, comprise two bulbs 1, two bulbs 1 link together by a spherical base 2, respectively there is a lower concave spherical surface at the two ends of spherical base 2, match respectively with the sphere of two bulbs 1; On the bulb 1 at these vibration uncoupling device two ends, be fixed with respectively two ring flanges 3.This vibration uncoupling device, in process of the test, its ring flange 3 is connected with the specific installed surface of pilot system, making both can be along three axial relative translation of x, y, z with the installed surface of ring flange 3 connections, can also axially relatively rotate around three, therefore two installed surfaces that are connected with this decoupling device have six-freedom degree, and this device is called six-degree of freedom vibration decoupling device.The multi of whole bullet level product still belongs to the exploratory stage at present, along with improving constantly that total system requires environmental test, the multi test of whole bullet level product, by the developing direction that is following multi field, has adapted to the active demand of guided missile system to multi test so carry out full bullet multi test.
Full bullet multi pilot system is completely different from the building plan of the multi pilot system of complete machine level product, due to self size and heavily quantitative limitation, entirely plays multiple axes system and generally adopts an energisation mode, and shaking table acts directly on product by frock.Because the degree of freedom around elastomer axis does not have driving source, therefore must be limited, what guarantee was tested carries out smoothly and effectively controls.For example, whole bullet three axle five degree of freedom pilot systems belong to full bullet multi pilot system, and this pilot system only encourage to five degree of freedom wherein controls, and the degree of freedom of rotating around elastomer axis is in free state, if the very difficult control of meeting without restriction.In prior art, generally the mode by lifting limits this degree of freedom, but lifting must be used the method for flexible suspension, suspension is in fact also a vibrational system, lifting and hitch are easy to produce resonance under incentive action, therefore to the necessary accurate Calculation of lifting rigidity, if the rigidity of flexible strand is selected improper easy resonance, cause multi system out of hand, even because produce very large vibration in the degree of freedom that resonance causes rotating around elastomer axis, cause damaged products and occur quality problems.For this full bullet multi pilot system, a kind of device need to be proposed, so that in carrying out the research process of whole bullet level product three axle five degree of freedom vibration test technology, the impact that uncontrolled degree of freedom causes system building can solve more effectively.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of five degree of freedom vibration uncoupling device.This vibration uncoupling device efficiently solves the vibration uncoupling problem of whole bullet three axle five degree of freedom vibration experiments.
The spherical vibration uncoupling device of five degree of freedom providing based on above-mentioned purpose the utility model, comprises at least two vibration uncoupling devices; The ring flange at described at least two vibration uncoupling device two ends is connected on a card extender jointly.
Optionally, described vibration uncoupling device is the spherical vibration uncoupling device of six degree of freedom.
Optionally, described vibration uncoupling device is provided with two.
Optionally, described card extender is rectangle, ellipse or kidney-shaped.
Optionally, described vibration uncoupling device is provided with three.
As can be seen from above, the spherical vibration uncoupling device of five degree of freedom that the utility model embodiment provides, adopt simple structure, successfully limited a rotational freedom of installed surface, make two installed surfaces that are connected with this vibration uncoupling device only possess five relative freedoms.By the vibration uncoupling application of installation of the utility model embodiment in full bullet multi pilot system, two installed surfaces have obtained restriction effectively around the relative freedom of body direction, simultaneously, the vibration uncoupling device of the utility model embodiment is in process of the test, connected two installed surfaces can not produce resonance, avoided introducing because of lifting the problem that new vibrational system produces, also can the vibration in five degree of freedom of residue not impact body.
Accompanying drawing explanation
Figure 1A is the spherical vibration uncoupling apparatus structure schematic diagram of prior art;
Figure 1B is the spherical vibration uncoupling device cross-sectional schematic of prior art;
Fig. 2 is the spherical vibration uncoupling device of the utility model embodiment five degree of freedom schematic diagram;
Fig. 3 is the spherical vibration uncoupling application of installation of the utility model embodiment five degree of freedom schematic diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Fig. 2 is the spherical vibration uncoupling apparatus structure of the five degree of freedom of the utility model embodiment schematic diagram.Comprise the vibration uncoupling device of the prior art shown in two Fig. 1, the ring flange 23 at these two vibration uncoupling device two ends is connected to respectively on a card extender 24 jointly, and the card extender 24 at these decoupling device two ends is together in parallel two six-degree of freedom vibration decoupling devices.
Fig. 3 is the spherical vibration uncoupling device of the five degree of freedom of the utility model embodiment and pilot system combination schematic diagram.In pilot system, two specific installed surfaces of mounting flange are connected with the card extender 24 of the present embodiment originally, as shown in the figure, owing to being connected to two six-degree of freedom vibration decoupling devices on card extender 24 restriction each other, adopt the vibration uncoupling device of the present embodiment, two installed surfaces can not be rotated around y axle, thereby successfully limited the axial rotational freedom of y in Fig. 3.
The technical scheme of above-described embodiment, is also applicable to other the spherical vibration uncoupling device except Fig. 1, to limit more degree of freedom.
In other embodiments, also can use card extender to connect plural six-degree of freedom vibration decoupling device.
Described card extender can be the shapes such as rectangle, ellipse, kidney-shaped.Described kidney-shaped is that two sections of identical radius curve are connected surrounded into shape with the parallel lines of two sections of equal length.
As can be seen from above, the spherical vibration uncoupling device of five degree of freedom of the utility model embodiment, adopt simple structure, successfully limited a rotational freedom of installed surface, make two installed surfaces that are connected with this vibration uncoupling device only possess five relative freedoms.By the vibration uncoupling application of installation of the utility model embodiment in full bullet multi pilot system, two installed surfaces have obtained restriction effectively around the degree of freedom that relatively rotates of body direction, simultaneously, the vibration uncoupling device of the utility model embodiment is in process of the test, connected two installed surfaces can not produce resonance, avoided introducing because of lifting the problem that new vibrational system produces, also can the vibration in five degree of freedom of residue not impact body.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the spherical vibration uncoupling device of five degree of freedom, is characterized in that, comprises at least two vibration uncoupling devices; The ring flange at described at least two vibration uncoupling device two ends is connected on a card extender jointly.
2. the spherical vibration uncoupling device of five degree of freedom according to claim 1, is characterized in that, described vibration uncoupling device is the spherical vibration uncoupling device of six degree of freedom.
3. the spherical vibration uncoupling device of five degree of freedom according to claim 1, is characterized in that, described vibration uncoupling device is provided with two.
4. the spherical vibration uncoupling device of five degree of freedom according to claim 1, is characterized in that, described card extender is rectangle, ellipse or kidney-shaped.
5. the spherical vibration uncoupling device of five degree of freedom according to claim 1, is characterized in that, described vibration uncoupling device is provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566288.XU CN203490052U (en) | 2013-09-12 | 2013-09-12 | Five-DOF spherical vibration decoupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566288.XU CN203490052U (en) | 2013-09-12 | 2013-09-12 | Five-DOF spherical vibration decoupling |
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| Publication Number | Publication Date |
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| CN203490052U true CN203490052U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320566288.XU Expired - Lifetime CN203490052U (en) | 2013-09-12 | 2013-09-12 | Five-DOF spherical vibration decoupling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254149A (en) * | 2018-01-22 | 2018-07-06 | 航天科工防御技术研究试验中心 | A kind of multi and impact combined environment testing system |
| CN114414186A (en) * | 2021-12-10 | 2022-04-29 | 北京航天希尔测试技术有限公司 | Three-degree-of-freedom electric vibration test system with isotropic layout |
-
2013
- 2013-09-12 CN CN201320566288.XU patent/CN203490052U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254149A (en) * | 2018-01-22 | 2018-07-06 | 航天科工防御技术研究试验中心 | A kind of multi and impact combined environment testing system |
| CN114414186A (en) * | 2021-12-10 | 2022-04-29 | 北京航天希尔测试技术有限公司 | Three-degree-of-freedom electric vibration test system with isotropic layout |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20140319 |