CN100394156C - Triaxiality and six degrees of freedom test bench for airdriven vibration, transportation bump, and slant swing - Google Patents
Triaxiality and six degrees of freedom test bench for airdriven vibration, transportation bump, and slant swing Download PDFInfo
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- CN100394156C CN100394156C CNB2005100402778A CN200510040277A CN100394156C CN 100394156 C CN100394156 C CN 100394156C CN B2005100402778 A CNB2005100402778 A CN B2005100402778A CN 200510040277 A CN200510040277 A CN 200510040277A CN 100394156 C CN100394156 C CN 100394156C
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Abstract
The present invention discloses a triaxial six-freedom test bench for pneumatic vibration tests, transportation bump tests and slant swing tests, which comprises a horizontal table top. The present invention is characterized in that the horizontal table top is supported or hung by springs, and the horizontal table top is in a free state that the horizontal table top can axially move along three axles of X, Y and Z in the space and can axially rotate around the axles of X, Y and Z; at least eight air springs are arranged at bottom and laterals of the horizontal table top as vibration exciters, wherein four air springs are arranged at the bottom of the horizontal table top in a quadrangle layout mode and act in the Z-axis direction of the horizontal table top, two air springs are arranged at laterals of the horizontal table top and act in the X-axis direction of the horizontal table top, and other two air springs are arranged at laterals of the horizontal table top and act in the Y-axis direction of the horizontal table top. The present invention provides the simple low-frequency triaxial six-freedom vibration test bench which is characterized in that the air springs are used as the vibration exciters; the triaxial six-freedom vibration test bench has the advantages of simple structure, low manufacture cost, economy and practicality, and is capable of meeting the requirements of GJB150.23-91 slant and swing tests and the requirements of GJB150.16-86 bulk transportation bump tests.
Description
Technical field
The present invention relates to a kind of simulated automotive, naval vessel, tank and other do low-frequency vibration, jolt, the environmental test platform of inclination, oscillating motion, this testing table is used to examine the environmental suitability of evaluation working equipment on above-mentioned motion platform and structure thereof, packing to tolerate the performance of this environment and the tolerance of structural strength, as inclination, the rolling test of the transportation bump test and the GJB150.23-91 regulation of GJB150.16-86 regulation.Also can make telecontrol equipments such as vibratory screening apparatus with this scheme.
Background technology
The three-axis six-freedom degree vibration test platform is that a kind of simulated automotive, naval vessel, tank and other are done low-frequency vibration, jolted, the environmental test platform of inclination, oscillating motion, its objective is that will simulate this environment examines check to use the performance of equipment under these occasions, the object that examination is transported and the ability to bear of packing thereof under this environment.
In the prior art, the three-axis six-freedom degree vibration test platform mainly contains three kinds of pneumatic hammer formula, electrodynamic type and fluid pressure types.Wherein, Triaxiality and six degrees of freedom pneumatic hammer formula shaking table is to utilize the bump of pneumatic hammer to make table top make mode motion and vibrative.This testing table vibrational energy concentrates on 2KHz to the 4KHz scope, the upper limiting frequency that has even reach 10KHz, and its advantage is the energy conversion efficiency height, but that shortcoming is frequency component, spectrum shape, wave mode is uncontrollable, the table top unevenness differs greatly.And Triaxiality and six degrees of freedom is electronic, not only load-bearing capacity is strong for hydraulic vibration gen, wide frequency range, and overcome the shortcoming of above-mentioned pneumatic hammer formula shaking table, but this class shaking table structure is very complicated, and cost is very expensive, and general unit does not have ability to bear, and inconvenience is applied.
On the other hand, for some equipment, parts, product or packing, only require the vibration carried out under the low frequency, jolt, the environmental test of inclination, oscillating motion gets final product, yet, the simple and easy vibration table that in the prior art, specialize in vibration under the low frequency, jolts, tilts, waves environmental test is found as yet.
Summary of the invention
The object of the invention provides a kind of simple type low frequency Triaxiality and six degrees of freedom pneumatic vibration, transports the Swaying Test Platform of jolting, tilt.
For achieving the above object, the technical solution used in the present invention is: a kind of Triaxiality and six degrees of freedom pneumatic vibration, the transportation Swaying Test Platform of jolting, tilt, comprise a level table, this level table is supported by spring or hangs, and it is in can move axially and around the free state of X, Y, three axial rotation of Z along space X, three of Y, Z; At the bottom of level table and at least eight air springs of side setting as vibrator, wherein, four air springs are located at the level table bottom with the quadrilateral distribution form and act on the Z-direction of level table, two air springs are located at the level table side and act on the X-direction of level table, and two other air spring is located at the level table side and acts on the Y direction of level table; Described each air spring forms inflation loop and venting loop by an inflation distribution plate and a venting distribution plate, and in the inflation loop, source of the gas is connected with air spring through the inflation distribution plate by pipeline; In the venting loop, air spring is connected through venting distribution plate and atmosphere by pipeline.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described level table can be circle or rectangle, and it is preferable from the bottom support effect by four springs.
2, in the such scheme, four air springs of described bottom are with the rectangular layout form best results in the quadrilateral distribution form.
3, in the such scheme, all can in the both sides that two air springs of described X-direction are located at the same side of level table or are located at level table respectively; All can in the both sides that two air springs of described Y direction are located at the same side of level table or are located at level table respectively.
4, in the such scheme, pairing inflation distribution plate of described each air spring and venting distribution plate are driven by same variable-frequency motor, and the corner of inflation distribution plate and the distribution plate of exitting phasic difference mutually is 180 °, and variable-frequency motor is controlled by controller.
5, in the such scheme, in the described inflation loop, in the pipeline between source of the gas and the inflation distribution plate servo-valve is set, in the pipeline between inflation distribution plate and the air spring solenoid valve is set, described servo-valve and solenoid valve are controlled by controller; In the described venting loop, the outlet of venting distribution plate is connected through exhaust box and atmosphere.
6, in the such scheme, described inflation distribution plate and venting distribution plate are formed by distribution plate, dish casket, rotating shaft, air intake opening and gas outlet, the dish casket is a shell structure, distribution plate is discoid and places this housing, the fixedly connected rotating shaft of distribution plate central authorities, rotating shaft from the dish casket housing in outside hermetically-sealed construction stretches out housing, distribution plate is separated into higher-pressure region and inflatable region with the inner space in the dish casket, air intake opening is located on the dish casket of higher-pressure region correspondence, the gas outlet is located on the dish casket of inflatable region correspondence, and the higher-pressure region is communicated with by through hole set on the distribution plate card with inflatable region.
7, in the such scheme, described air spring is single ball or many balls cascaded structure.
The principle of the invention is: at first adopt spring that level table is supported or hang the free state that can carry out six-freedom motion in the space, utilize at least eight air springs to act on level table from different orientation then as vibrator, fill, exit to the air spring that is installed in X, Y, Z three directions respectively with different time and realize the Triaxiality and six degrees of freedom motion, thereby the transportation of simulation low frequency is jolted and environmental test is carried out in inclination, oscillating motion.
Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:
1, the present invention's vibration table of having overcome existing pneumatic hammer formula Triaxiality and six degrees of freedom can not be controlled spectrum shape, can not hang down Zhou Yundong, shortcomings such as table top uniformity coefficient difference.In addition, though pneumatic hammer formula testing table has Triaxiality and six degrees of freedom motion, each degree of freedom all can not be controlled separately, and the relation between the six-freedom degree is that therefore what to be fixed be not genuine six degree of freedom.And the present invention can adopt different time to fill, exit to each air spring that is installed in X, Y, Z three directions respectively to realize various Triaxiality and six degrees of freedom motions.
2, the present invention and Triaxiality and six degrees of freedom vibrational system structure compared electronic, that the hydraulic vibration testing table constitutes are simple, and cost reduces greatly.
3, the present invention can satisfy national military standard GJB150.23-91 inclination and rolling test requirement, the requirement of GJB150.16-86 transportation bump test in bulk, can be used for the environmental simulation of motion platforms such as earthquake, automobile, tank, naval vessel, also can be used as specialized equipments such as vibratory screening apparatus, is a kind of simple type low frequency Triaxiality and six degrees of freedom pneumatic vibration, the transportation Swaying Test Platform of jolting, tilt.
4, the present invention adopts air spring as vibrator, and utilizes the air spring lateral rigidity less, has the characteristic of variable bit, compares with Triaxiality and six degrees of freedom testing table of the prior art, has not only saved expensive universal joint, and has simplified the structure greatly.
Description of drawings
Accompanying drawing 1 is Triaxiality and six degrees of freedom testing table of the present invention and total system theory diagram;
Accompanying drawing 2 is Triaxiality and six degrees of freedom testing table example structure synoptic diagram of the present invention;
Accompanying drawing 3 is the filling of each air spring of the present invention, means of deflation schematic diagram;
Accompanying drawing 4 is inflated the distribution plate structural representation for the present invention;
Accompanying drawing 5 is the distribution plate synoptic diagram among Fig. 4.
In the above accompanying drawing, 1, level table; 2, frame; 3, spring; 4, first air spring; 5, second air spring; 6, the 3rd air spring; 7, the 4th air spring; 8, the 5th air spring; 9, the 6th air spring; 10, the 7th air spring; 11, the 8th air spring; 12, distribution plate; 13, dish casket; 14, rotating shaft; 15, air intake opening; 16, gas outlet; 17, " O " shape O-ring seal; 18, higher-pressure region; 19, inflatable region; 20, through hole; 21, gear; 22, charge and discharge the gas interface.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: referring to shown in Figure 1, a kind of Triaxiality and six degrees of freedom pneumatic vibration, the transportation Swaying Test Platform system of jolting, tilt are made up of aerodynamic testing platform, air-charging and air-discharging system, control system and high-pressure air source.
1, aerodynamic testing platform
Referring to shown in Figure 2, the aerodynamic testing platform is made up of a level table 1, frame 2, four springs 3 and eight air springs (first air spring 4～the 8th air spring 11).Frame 2 is a stake body, the stake body top is to having a square groove, level table 1 is for the square stage body and be arranged in this groove, its bottom is supported by four springs 3, and level table 1 is in can be moved axially and around the free state of X, Y, three axial rotation of Z along space X, three of Y, Z.Four support springs 3 are the square layout in level table 1 bottom.
Bottom and side at level table 1 are provided with eight air springs (first air spring 4～the 8th air spring) as vibrator, wherein, four air springs (the 5th air spring 8～the 8th air spring 11) are located at level table 1 bottom with the rectangular layout form and act on the Z-direction of level table 1.Two air springs (first air spring 4 and the 3rd air spring 6) are located at level table 1 both sides respectively and act on the X-direction of level table 1, see position shown in Figure 2, and first air spring 4 and the 3rd air spring 6 are positioned at same axis.Two other air spring (second air spring 5 and the 4th air spring 7) is located at level table 1 both sides and act on the Y direction of level table 1 in addition respectively, sees position shown in Figure 2, second air spring 5 and the 4th air spring 7 dislocation layouts.This shows that first air spring 4～the 4th air spring 7 and level table 1 be at a surface level exciting, and the 5th air spring 8～the 8th air spring 11 is installed in level table 1 bottom and makes vertical exciting.
Described air spring can be single ball or many balls cascaded structure, and this structure can add metal or all-metal is made by rubber, rubber.One of air spring is fixed on the frame 2, the other end is fixed on the level table 1, gases at high pressure are communicated with (see figure 2) by charging and discharging gas interface 22 with air spring, when with different phase places respectively to air spring fill, when putting gases at high pressure, then level table 1 just may be realized ball vibration, ellipsoid vibration, banking motion, oscillating motion and balleting.
2, air-charging and air-discharging system
Air-charging and air-discharging system is made up of eight tunnel identical aerating and exhaust devices, and the corresponding air spring of each road aerating and exhaust device Figure 3 shows that one road aerating and exhaust device schematic diagram.Each air spring is by an inflation loop and a venting loop, and the inflation loop is connected to form through servo-valve, inflation distribution plate and air spring by pipeline by source of the gas.The venting loop is connected through venting distribution plate, exhaust box and atmosphere by pipeline by air spring.
Referring to shown in Figure 4, the inflation distribution plate is by distribution plate 12, dish casket 13, rotating shaft 14, air intake opening 15 and gas outlet 16 are formed, dish casket 13 is a shell structure, distribution plate 12 is discoid and places this housing, distribution plate 12 central fixedly connected rotating shafts 14, rotating shaft 14 is stretched out outside the housing through " O " shape O-ring seal 17 in the housing of dish casket 13, distribution plate 12 is separated into higher-pressure region 18 and inflatable region 19 with the inner space in dish casket 13, air intake opening 15 is located on the dish casket 13 of higher-pressure region 18 correspondences, gas outlet 16 is located on the dish casket 13 of inflatable region 19 correspondences, higher-pressure region 18 is communicated with by through hole 20 set on distribution plate 12 cards with inflatable region 19, sees Fig. 5.Drive in rotating shaft 14 rotating process by gear 21 at variable-frequency motor, when through hole 20 communicates with gas outlet 16, the gases at high pressure via through holes 20 that flows into from air intake opening 15 flows to gas outlet 16, realize inflation with this, inflatable region 19 is by distribution plate 12 through holes 20 decision inflationtimes, by the rotating speed decision inflation frequency of distribution plate 12.
The structure of venting distribution plate is identical with the inflation distribution plate with principle, and just in actual use, the air intake opening of venting distribution plate connects air spring, and the gas outlet connects exhaust box.Inflation distribution plate and venting distribution plate that each air spring uses become one-to-one relationship, and are driven by same variable-frequency motor, the opening than late 180 ° of the corner phase place of inflating distribution plate of venting distribution plate.
3, control system
Control system is made up of controller and frequency, angle, displacement transducer.Controller is the control center of system, and its effect is:
(1), controller is according to the input function requirement, the loading line of corresponding air spring is opened or closed to the switch corresponding solenoid valve.
(2), after controller is provided with motion frequency, through computing output signal control of conversion rate power supply, variable-frequency power sources control of conversion motor carries out work, variable-frequency motor fills, exits to air spring by the gear driven distribution plate that fills, exits.
(3), controller is contained in high-pressure air source to the servo-valve between the inflation distribution plate according to the requirement control of motion oscillations value, thereby controls the gas flow that enters the inflation distribution plate.
4, principle of work
Referring to Fig. 1, when aerating and exhaust device simultaneously to Y-axis to two air springs (second air spring 5 and the 4th air spring 7) fill, when exitting, level table 1 rotatablely moves around the Z axle.If when the angle of filling, exit of second air spring 5 and the 4th air spring 7 was set to differ 180 °, then these two air springs were operated in the state of recommending, this moment, level table 1 was along the Y-axis moving linearly.If along on the basis of Y-axis moving linearly, allow the air spring moving linearly of Z-direction again above-mentioned, then synthesize circular motion, this has just realized the circular motion that jolts.This shows that eight air spring permutation and combination just can realize the various motions in Triaxiality and six degrees of freedom space.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. a Triaxiality and six degrees of freedom pneumatic vibration, the transportation Swaying Test Platform of jolting, tilt, comprise a level table, it is characterized in that: this level table is supported by spring or hangs, and it is in can move axially and around the free state of X, Y, three axial rotation of Z along space X, three of Y, Z; At the bottom of level table and at least eight air springs of side setting as vibrator, wherein, four air springs are located at the level table bottom with the quadrilateral distribution form and act on the Z-direction of level table, two air springs are located at the level table side and act on the X-direction of level table, and two other air spring is located at the level table side and acts on the Y direction of level table; Described each air spring forms inflation loop and venting loop by an inflation distribution plate and a venting distribution plate, and in the inflation loop, source of the gas is connected with air spring through the inflation distribution plate by pipeline; In the venting loop, air spring is connected through venting distribution plate and atmosphere by pipeline.
2. Triaxiality and six degrees of freedom testing table according to claim 1, it is characterized in that: pairing inflation distribution plate of described each air spring and venting distribution plate are driven by same variable-frequency motor, the corner of inflation distribution plate and the distribution plate of exitting phasic difference mutually is 180 °, and variable-frequency motor is controlled by controller.
3. Triaxiality and six degrees of freedom testing table according to claim 1, it is characterized in that: in the described inflation loop, in the pipeline between source of the gas and the inflation distribution plate servo-valve is set, in the pipeline between inflation distribution plate and the air spring solenoid valve is set, described servo-valve and solenoid valve are controlled by controller; In the described venting loop, the outlet of venting distribution plate is connected through exhaust box and atmosphere.
4. Triaxiality and six degrees of freedom testing table according to claim 1, it is characterized in that: described inflation distribution plate and venting distribution plate are by distribution plate, the dish casket, rotating shaft, air intake opening and gas outlet are formed, the dish casket is a shell structure, distribution plate is discoid and places this housing, the fixedly connected rotating shaft of distribution plate central authorities, rotating shaft from the dish casket housing in outside hermetically-sealed construction stretches out housing, distribution plate is separated into higher-pressure region and inflatable region with the inner space in the dish casket, air intake opening is located on the dish casket of higher-pressure region correspondence, the gas outlet is located on the dish casket of inflatable region correspondence, and the higher-pressure region is communicated with by through hole set on the distribution plate card with inflatable region.
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| CNB2005100402778A CN100394156C (en) | 2005-05-23 | 2005-05-23 | Triaxiality and six degrees of freedom test bench for airdriven vibration, transportation bump, and slant swing |
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| CNB2005100402778A CN100394156C (en) | 2005-05-23 | 2005-05-23 | Triaxiality and six degrees of freedom test bench for airdriven vibration, transportation bump, and slant swing |
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| CN100394156C true CN100394156C (en) | 2008-06-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH029550A (en) * | 1988-12-21 | 1990-01-12 | Hitachi Ltd | Driving device for six-degree-freedom fine moving stage |
| CN1313454A (en) * | 1994-05-31 | 2001-09-19 | A·M·汉森 | Pneumatic mechanical vibrator and method thereof |
| CN2522196Y (en) * | 2002-02-04 | 2002-11-27 | 黄述哲 | Frequency-modulation air-cushion three-D vibration table |
| CN1565811A (en) * | 2003-06-17 | 2005-01-19 | 合肥工业大学 | Single-layer structure micromotion workbench with six degrees of freedom and its parallel control mode |
| CN2687649Y (en) * | 2004-02-02 | 2005-03-23 | 沈光新 | Artificial testing platform of anti-seismic property for mechanical structure |
-
2005
- 2005-05-23 CN CNB2005100402778A patent/CN100394156C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH029550A (en) * | 1988-12-21 | 1990-01-12 | Hitachi Ltd | Driving device for six-degree-freedom fine moving stage |
| CN1313454A (en) * | 1994-05-31 | 2001-09-19 | A·M·汉森 | Pneumatic mechanical vibrator and method thereof |
| CN2522196Y (en) * | 2002-02-04 | 2002-11-27 | 黄述哲 | Frequency-modulation air-cushion three-D vibration table |
| CN1565811A (en) * | 2003-06-17 | 2005-01-19 | 合肥工业大学 | Single-layer structure micromotion workbench with six degrees of freedom and its parallel control mode |
| CN2687649Y (en) * | 2004-02-02 | 2005-03-23 | 沈光新 | Artificial testing platform of anti-seismic property for mechanical structure |
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| TR01 | Transfer of patent right |
Effective date of registration: 20090522 Address after: Jiangsu, Suzhou Province Industrial Park in the new science and Technology City, only Ting Town, No. 18 Ji Feng Road Patentee after: Suzhou Sushi Testing Instrument Co., Ltd. Address before: No. 55 deer Road, hi tech Development Zone, Jiangsu, Suzhou Patentee before: Suzhou Testing Instrument Factory |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee after: Suzhou Sushi Testing Instrument Co.,Ltd. Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee before: Suzhou Sushi Testing Instrument Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee after: Suzhou Su test group Limited by Share Ltd Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee before: Suzhou Sushi Testing Instrument Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |