CN102865987B - Plane static pressure type vibration transferring and decoupling device and tri-axial vibration composite experiment table - Google Patents
Plane static pressure type vibration transferring and decoupling device and tri-axial vibration composite experiment table Download PDFInfo
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- CN102865987B CN102865987B CN201210343875.2A CN201210343875A CN102865987B CN 102865987 B CN102865987 B CN 102865987B CN 201210343875 A CN201210343875 A CN 201210343875A CN 102865987 B CN102865987 B CN 102865987B
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Abstract
The invention relates to a tri-axial vibration composite experiment table and a plane static pressure type vibration transferring and decoupling device, wherein the experiment table comprises a working table top; and plane static pressure type vibration transferring and decoupling devices and vibration generators are connected in the direction of X, Y and X axes of the work table top. The plane static pressure type vibration transferring and decoupling device is characterized by consisting of a sliding block and a sliding seat via sliding connection; a sliding gap is arranged in a sliding surface; during the work, high-pressure oil is filled in the sliding gap through an oil filling channel to form a static pressure oil slick; as the static pressure oil slick has good rigidity under high pressure conditions, the sliding between the sliding block and the sliding seat is not obstructed. When a coaxial vibration generator generates high-frequency vibration and thrust, the vibration frequency and the thrust are transferred through a direction vertical to the static pressure oil slick; when a hetero-axial vibration generator generates high-frequency vibration and thrust, the decoupling is realized through the sliding between the sliding block and the sliding seat, so that the aim of combining the lossless transferring and the effective decoupling is realized to the greatest extent.
Description
Technical field
The present invention relates to dynamic environmental test equipment, the biography be specifically related in a kind of testing table for realizing X, Y, Z three-axial vibration compound and testing table is shaken decoupling device.This testing table can be used for realizing the vibration environment that X, Y, Z tri-axis work alone, and also can be used for realizing the compound vibration environment that any two axis or X, Y, Z tri-axis work simultaneously.
Background technology
The object of vibration test is the oscillating load that manual simulation's product may be subjected in transport, storage, use procedure in testing laboratory and the impact produced test specimen thereof, and examines its adaptability.Conventional test method uses the uniaxially some direction of vibration rig to product to encourage.But in the physical environment of reality, the vibration that product suffers and impact are multi-direction simultaneous compound vibration environment, such as aircraft is in flight course, and the vibration that engine operation produces and the impact that aerodynamic noise produces Flight Vehicle Structure and parts thereof are multi-direction compound vibration environment.In addition, what vehicle met with in the process of moving jolt and naval vessel impact suffering wave etc. under changeable sea situation is not always the case.These are all that multiaxis under complicated environmental condition is to compound vibration.In the past due to the restriction of testing equipment, test method, uniaxially vibration rig can only be adopted to test each axis respectively, examined the adaptability of product the most afterwards.But the uniaxially vibration test of routine is poor to compound vibration reductibility to the multiaxis under these complicated environmental conditions, the truth that product suffers in actual environment can not be reflected.
The continuous renewal of raising and test condition and the means further that require along with dynamic environmental test, people have developed a kind of vibration composite test equipment that can be used for three axis and encourage simultaneously.A Chinese patent CN101487765B Granted publication name is called " three-axial vibration composite testing apparatus ", and the patent No. is the patent of invention of 200910024507.X.In that patent, what be used for that the biography of connecting working table face and vibration machine shakes that decoupling device adopts is linear guide rail structure.In three-axial vibration composite testing equipment, passing the decoupling device that shakes is the critical component transmitting each axial vibration and thrust, and its performance directly affects the transmission effect of each axial vibration frequency and thrust.Although above-mentioned patent adopts line slideway to shake decoupling device structure simply as biography, easily realize, there is following shortcoming: first, owing to there is gap in line slideway, poor rigidity on direction of transfer, transmitting vibrations frequency and the easy distortion of thrust, particularly during transmission dither, distortion is larger; The second, there is mechanical friction in line slideway in decoupling zero, and long-term work is is easily worn and torn, therefore poor reliability, and serviceable life is short; 3rd, due to line slideway self structure limitation, when transmitting vibrations frequency and thrust, load-bearing capacity, resistance to capsizing and offset load resistance are all poor.For this reason, how effectively to address these problems is the problem that those skilled in the art study always.
Summary of the invention
The invention provides a kind of plane static pressure type to pass and to shake decoupling device and three-axial vibration composite testing platform, its objective is that will solve existing biography shakes the problems referred to above existed in decoupling device, realize to greatest extent harmlessly transmitting the target combined with effective decoupling zero.
For achieving the above object, the technical scheme that plane static pressure type of the present invention passes decoupling device employing of shaking is: a kind of plane static pressure type passes the decoupling device that shakes, and is made up of sliding shoe and sliding seat two parts.
Described sliding shoe is provided with slide block and linking arm, the outside surface of slide block is provided with the first slip plane and the second slip plane, first slip plane and the second slip plane are parallel to each other, and on slide block back-to-back layout, one end of linking arm is fixedly connected with slide block, and the other end of linking arm is as the first link passing the decoupling device that shakes.
Described sliding seat is provided with the casing that can hold described slide block, on cabinet wall, the direction of corresponding described first slip plane and position are provided with the 3rd slip plane, direction and the position of corresponding described second slip plane are provided with the 4th slip plane, and on casing wall, the direction of corresponding described linking arm and position are provided with window; In the assembled condition, described slide block is arranged in cabinets cavity, and stretch out in the window of the other end of linking arm set by from casing wall, the 3rd slip plane on the first slip plane on slide block and cabinet wall is slidably matched, this face that is slidably matched has the first gap, the 4th slip plane on the second slip plane on slide block and cabinet wall is slidably matched, and this face that is slidably matched has the second gap; Described sliding seat is provided with the second link passing the decoupling device that shakes.
In described sliding shoe and sliding seat, arbitrary one is provided with oil hole and oiling passage, oil hole is located at the surface of one, oiling passage is located in the body of one, one end of oiling passage is communicated with oil hole, the other end extends to described first gap and the second gap, forms plane static pressure type pass the decoupling-structure that shakes with this between sliding shoe and sliding seat.
Above-mentioned plane static pressure type passes the related content shaken in decoupling device technical scheme and is explained as follows:
1. passing the decoupling device that shakes is a kind of particular component in dynamic environmental test equipment, and each axial vibration and thrust are transmitted in its effect, generally only use in two axis or three-axial vibration composite testing platform.When being applied to two axis or three-axial vibration composite testing platform, the decoupling device that needs biography to shake is connected between work top and vibration machine, therefore the first link and the second link should be had on biography shakes decoupling device, in such scheme, the first link is located on sliding shoe, and the second link is provided with on sliding seat.
2. in technique scheme, after completing rigidity oil film support task, there is loop in order to make injection first gap and the second gap mesohigh oil, in described sliding shoe and sliding seat, spill port and drainback passage is provided with both, spill port is located at the surface both, drainback passage is located in the body both, one end of drainback passage is communicated with spill port, the other end of drainback passage is communicated with cabinets cavity, cabinets cavity is communicated with the second gap with described first gap, forms way to cycle oil with this.
3. in technique scheme, described casing is surrounded by cover plate, side plate and base plate, and described window is located at the central authorities of cover plate, and the splicing construction of casing adopts one of following scheme:
First scheme is: cover plate and base plate are individual member, and side plate is made up of two long side plates and two short side plates, and casing is fixedly put together by a cover plate, two long side plates, two short side plates and base plates;
Alternative plan is: cover plate and base plate are individual member, and side plate is made up of a rectangle frame, and casing is fixedly put together by the side plate of a cover plate, a rectangle frame and a base plate;
Third program is: cover plate is individual member, and side plate and base plate are integral type first open top container, and wherein, side plate is a rectangle frame, and casing is fixedly put together by cover plate and integral type first open top container;
Fourth program is: base plate is individual member, and side plate and cover plate are integral type second open top container, and wherein, side plate is a rectangle frame, and casing is put together by base plate and integral type second open top container.
4. in technique scheme, when window is opened in cover plate central authorities, can arrange a soft sealing and dustproof cover, the top of sealing and dustproof cover is provided with through hole, through hole is enclosed within described linking arm and linking arm is fixed relatively, and sealing and dustproof cover periphery is fixing on the cover board.
5. in technique scheme, in order to utilize flow restriction principle to improve the oil pressure in the first gap and the second gap and keep the stable of oil pressure, oil pocket can be equipped with in the connectivity part in oiling passage and described first gap and the second gap, in the oiling passage of oil pocket, be provided with flow controller.
For achieving the above object, the technical scheme that three-axial vibration composite testing platform of the present invention adopts is: a kind of three-axial vibration composite testing platform, there is a work top being used for bearing test article, this work top passes through Z axis the decoupling device that shakes and connects Z axis vibration generator in the Z-direction of bottom vertical, the X-direction of lateral passes through X-axis the decoupling device that shakes and connects X axis vibration generator, the Y direction of lateral passes through Y-axis the decoupling device that shakes and connects Y axis vibration generator.
It is all identical that described Z axis passes the decoupling device that shakes, X-axis passes the structure that shake decoupling device and Y-axis pass the decoupling device that shakes, and pass the decoupling device that shakes for plane static pressure type, and this plane static pressure type biography decoupling device that shakes is made up of sliding shoe and sliding seat two parts
Described sliding shoe is provided with slide block and linking arm, the outside surface of slide block is provided with the first slip plane and the second slip plane, first slip plane and the second slip plane are parallel to each other, and on slide block back-to-back layout, one end of linking arm is fixedly connected with slide block, and the other end of linking arm is as the first link passing the decoupling device that shakes.
Described sliding seat is provided with the casing that can hold described slide block, on cabinet wall, the direction of corresponding described first slip plane and position are provided with the 3rd slip plane, direction and the position of corresponding described second slip plane are provided with the 4th slip plane, and on casing wall, the direction of corresponding described linking arm and position are provided with window; In the assembled condition, described slide block is arranged in cabinets cavity, and stretch out in the window of the other end of linking arm set by from casing wall, the 3rd slip plane on the first slip plane on slide block and cabinet wall is slidably matched, this face that is slidably matched has the first gap, the 4th slip plane on the second slip plane on slide block and cabinet wall is slidably matched, and this face that is slidably matched has the second gap; Described sliding seat is provided with the second link passing the decoupling device that shakes.
In described sliding shoe and sliding seat, arbitrary one is provided with oil hole and oiling passage, oil hole is located at the surface of one, oiling passage is located in the body of one, one end of oiling passage is communicated with oil hole, the other end extends to described first gap and the second gap, forms plane static pressure type pass the decoupling-structure that shakes with this between sliding shoe and sliding seat.
Related content in above-mentioned three-axial vibration composite testing platform technical scheme is explained as follows:
1. in technique scheme, described X-axis, Y-axis and Z axis refer to X-axis, Y-axis and Z-direction in three-dimensional coordinate, see the three-dimensional coordinate signal in Fig. 1.
2. in technique scheme, described Z axis passes the decoupling device that shakes, X-axis passes shake decoupling device and Y-axis and passes the decoupling device that shakes and refer to that biography set in X-axis, Y-axis and Z-direction is shaken decoupling device.
3. in technique scheme, X axis vibration generator, Y axis vibration generator and Z axis vibration generator can adopt electric vibration table, mechanical vibration generator system, hydraulic vibration gen or mechanical vibration mechanism, and wherein mechanical vibration mechanism refers to the mechanism that can produce mechanical vibration.
4. in technique scheme, shake decoupling device and vibration machine of each axial biography be connected with working face can be realized by shake decoupling device and a vibration machine of a biography, also can be realized side by side by shake decoupling device and two vibration machines of two biographies, even can be realized side by side to upload shake decoupling device and more than three or three vibration machines by three or three.Concrete selection can be determined according to actual needs.
5., in technique scheme, in order to balance the center of gravity connecting and pass the decoupling device aftertable face that shakes, can be fixedly installed equilibrate counterweight at the sidepiece of work top or bottom, equilibrate counterweight is rigid mass body.Can determine according to specific needs as the quality of equilibrate counterweight, quantity and installation site, object is in order to the geometric center in holding table face is at least consistent in Z-direction with actual center of gravity.
6., in technique scheme, passing the decoupling device that shakes can be fixedly connected with the first joint face be positioned on sliding shoe with work top, and the second joint face be positioned on sliding seat is fixedly connected with vibration machine.Also can conversely the first joint face be fixedly connected with vibration machine, and the second joint face is fixedly connected with work top.When biography shakes decoupling device connection, directly the first joint face or the second joint face can be connected with work top or vibration machine, also can be connected by an exchanging structure.
7. plane static pressure type of the present invention passes all changes of shaking in decoupling device technical scheme and is all applicable to three-axial vibration composite testing platform technical scheme of the present invention.
The design concept that plane static pressure type of the present invention passes the decoupling device that shakes is: in three-axial vibration composite testing equipment, passing the decoupling device that shakes is the critical component transmitting each axial vibration and thrust, and its performance directly affects the transmission effect of each axial vibration frequency and thrust.The present invention to shake the deficiency of decoupling device to overcome existing biography, the first gap utilizing static pressure principle to devise between sliding shoe and sliding seat to be parallel to each other and the second gap, in the first gap and the second gap, hydraulic oil is injected by oil hole and oiling passage during work, the static pressure oil film be parallel to each other for a pair is defined in the first gap and the second gap, because static pressure oil film has good rigidity under elevated pressure conditions, nor hinder the slip between sliding shoe and sliding seat.When coaxial vibration machine sends dither and thrust, transmitting vibrations frequency and thrust is come by the direction of vertical static pressure oil film, when different shaft vibration generator sends dither and thrust, realize decoupling zero by the slip between sliding shoe and sliding seat, thus achieve the target that can't harm and transmit and combine with effective decoupling zero to greatest extent.
The design concept of three-axial vibration composite testing platform of the present invention is: three-axial vibration composite testing platform of the present invention is exactly that the principle utilizing plane static pressure type of the present invention to pass the decoupling device that shakes solves coaxial transmitting vibrations frequency and thrust, contradiction between different decoupler shaft, thus achieve the target that can't harm and transmit and combine with effective decoupling zero to greatest extent.Three-axial vibration composite testing platform of the present invention can have following three kinds of service conditions:
The first, uniaxially vibration test
When such as carrying out Z-axis direction vibration test, as long as start vibration frequency and thrust that Z axis vibration generator sends Z-axis direction, pass through Z axis the decoupling device that shakes and pass to work top, and X-axis passes shake decoupling device and Y-axis and passes the decoupling device that shakes and provide decoupling zero to coordinate, and achieves the vibration test of single Z axis.When carrying out X axis or Y-axis vibration, as long as also start corresponding axial vibration machine, the course of work is similar to above-mentioned.
The second, two axial combined vibration tests
As can be seen from the description of the first situation above-mentioned, when needs carry out two axial combined vibration tests, start corresponding two vibration machines axially, the vibration sent and thrust can be passed to work top and produce superposition effect through the corresponding axial biography decoupling device that shakes, and the biography of the 3rd axle is shaken, decoupling device is in decoupled state all the time, thus realizes two axial combined vibration tests.
The third, three axial composite-rotor vibration tests
Start the vibration machine of three axis, the vibration that three vibration machines send and thrust are passed to work top produce superposition effect through the biography of self axis decoupling devices that shakes respectively, when the vibration of self transfers and thrust, other axially provides decoupling zero to coordinate, thus realizes three axial composite-rotor vibration tests.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1. come transmitting vibrations and thrust because the present invention passes the rigidity oil film that decoupling device make use of between sliding shoe and sliding seat that shakes, the biography decoupling device longitudinal stiffness that shakes is good, resistance to tipping moment is large, load-bearing capacity is strong, frequency of operation is wide, harmless transmission can be realized to greatest extent, be particularly suitable for dither transmission.
2. contacted by static pressure oil film with between sliding seat because the present invention passes the sliding shoe shaken in decoupling device, mechanical friction, long service life, reliability is high, and decoupling ability is strong.
3. pass owing to have employed the present invention shake decoupling device and equilibrate counterweight, make work top moving-mass light, X, Y, Z tri-axial frequency response are consistent.
4. to pass the decoupling device that shakes rational in infrastructure in the present invention, and precision is high, and debugging is simple, and maintaining is convenient.
Accompanying drawing explanation
Accompanying drawing 1 is three-axial vibration composite testing platform stereographic map of the present invention;
Accompanying drawing 2 is the annexation schematic diagram that embodiment of the present invention work top and three axially passes shake decoupling device and equilibrate counterweight;
Accompanying drawing 3 is the front view after embodiment of the present invention work top, three axially passes shake decoupling device and equilibrate counterweight assembling;
Accompanying drawing 4 is the vertical view after embodiment of the present invention work top, three axially passes shake decoupling device and equilibrate counterweight assembling;
Accompanying drawing 5 is the cut-open view after embodiment of the present invention work top, three axially passes shake decoupling device and equilibrate counterweight assembling;
Accompanying drawing 6 is the three-dimensional exploded view that embodiment of the present invention plane static pressure type passes the decoupling device that shakes;
Accompanying drawing 7 is the first three-dimensional cutaway view that embodiment of the present invention plane static pressure type passes the decoupling device that shakes;
Accompanying drawing 8 is the second three-dimensional cutaway view that embodiment of the present invention plane static pressure type passes the decoupling device that shakes;
Accompanying drawing 9 is the first stereographic map of embodiment of the present invention sliding shoe;
Accompanying drawing 10 is the second stereographic map of embodiment of the present invention sliding shoe;
Accompanying drawing 11 is the three-dimensional cutaway view of embodiment of the present invention sliding shoe;
Accompanying drawing 12 is the first layout change figure passing shake decoupling device and vibration machine in three-axial vibration composite testing platform of the present invention;
Accompanying drawing 13 is the second layout change figure passing shake decoupling device and vibration machine in three-axial vibration composite testing platform of the present invention.
In above accompanying drawing: 1. work top; 2. Z axis passes the decoupling device that shakes; 3. X-axis passes the decoupling device that shakes; 4. Y-axis passes the decoupling device that shakes; 5. Z axis vibration generator; 6. X axis vibration generator; 7. Y axis vibration generator; 8. sliding shoe; 9. sliding seat; 10. slide block; 11. linking arms; 12. first slip planes; 13. second slip planes; 14. first links; 15. the 3rd slip planes; 16. the 4th slip planes; 17. windows; 18. second links; 19. oil holes; 20. oiling passages; 21. spill ports; 22. drainback passages; 23. cover plates; 24. base plates; 25. long side plates; 26. short side plates; 27. sealing and dustproof covers; 28. oil pockets; 29. flow controllers; 30. equilibrate counterweights.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1: a kind of three-axial vibration composite testing platform
As Figure 1-5, this three-axial vibration composite testing platform has a work top 1 being used for bearing test article, this work top 1 passes through a Z axis decoupling device 2 that shakes and connects a Z axis vibration generator 5 in the Z-direction of bottom vertical, the X-direction of lateral passes through an X-axis decoupling device 3 that shakes and connects an X axis vibration generator 6, the Y direction of lateral passes through a Y-axis decoupling device 4 that shakes and connects a Y axis vibration generator 7.
Described X axis vibration generator 6, Y axis vibration generator 7 and Z axis vibration generator 5 can adopt electric vibration table, mechanical vibration generator system, hydraulic vibration gen or mechanical vibration mechanism, and wherein mechanical vibration mechanism refers to the mechanism that can produce mechanical vibration.
It is all identical that described Z axis passes the decoupling device 2 that shakes, X-axis passes the structure that shake decoupling device 3 and Y-axis pass the decoupling device 4 that shakes, and to shake decoupling device for plane static pressure type biography.
As illustrated in figs. 6-11, described plane static pressure type passes the decoupling device that shakes and is made up of sliding shoe 8 and sliding seat 9 two parts.
Described sliding shoe 8 is provided with slide block 10 and linking arm 11, slide block 10 is a cube structure, the outside surface of slide block 10 is provided with the first slip plane 12 and the second slip plane 13, first slip plane 12 and the second slip plane 13 and is parallel to each other, and on slide block 10 back-to-back layout.Linking arm 11 is block structure, and its one end and slide block 10 are connected to one, and form inverse-T-shaped structure.The other end of linking arm 11 is provided with the first joint face as the first link 14, first link 14 passing the decoupling device that shakes, and the first joint face is parallel with the first slip plane 12 or the second slip plane 13.The crosspiece of described inverse-T-shaped structure is slide block 10, and vertical section is linking arm 11.Described first slip plane 12 is positioned at the crosspiece shoulder of the inverse-T-shaped structure section of indulging both sides, and is made up of left shoulder and right shoulder.Described second slip plane 13 is positioned at the crosspiece bottom surface of inverse-T-shaped structure.
Described sliding seat 9 is provided with the casing that can hold described slide block 10, on cabinet wall, the direction of corresponding described first slip plane 12 and position are provided with the 3rd slip plane 15, direction and the position of corresponding described second slip plane 13 are provided with the 4th slip plane 16, and on casing wall, the direction of corresponding described linking arm 11 and position are provided with window 17.In the assembled condition, described slide block 10 is arranged in cabinets cavity, and stretch out in the window 17 of the other end of linking arm 11 set by from casing wall, the first slip plane 12 on slide block 10 is slidably matched with the 3rd slip plane 15 on cabinet wall, this face that is slidably matched has the first gap, the second slip plane 13 on slide block 10 is slidably matched with the 4th slip plane 16 on cabinet wall, and this face that is slidably matched has the second gap.Described sliding seat 9 is provided with the second link 18, second link 18 passing the decoupling device that shakes and is provided with the second joint face, and the position of the second joint face opposite case is fixed.In the present embodiment, the second joint face is exactly the bottom surface of casing, and the second joint face is parallel with described first joint face in the assembled condition, and towards the opposite.
Described casing is surrounded by cover plate 23, side plate and base plate 24, and described window 17 is located at the central authorities of cover plate 23.Cover plate 23 and base plate 24 are individual member, and side plate is made up of two long side plates 25 and two short side plates 26, and casing is fixedly put together by the long side plate of a cover plate 23, two 25, two short side plates 26 and a base plate 24.Described 3rd slip plane 15 is positioned at (bottom surface, window 17 both sides of cover plate 23) on the bottom surface of cover plate 23.Described 4th slip plane 16 is positioned at the end face of base plate 24.Two long side plates 25 and two short side plates 26 surround a rectangular area, and slide block 10 is arranged in this region, and slide block 10 and long side are grown between 25 and short side plate 26 and left space, slide in casing for slide block 10.
In both described sliding shoe 8 and sliding seat 9, sliding shoe 8 is provided with oil hole 19 and oiling passage 20, oil hole 19 is located at the surface of sliding shoe 8, oiling passage 20 is located in the body of sliding shoe 8, one end of oiling passage 20 is communicated with oil hole 19, the other end extends to described first gap and the second gap, thus forms the fuel feeding path of hydraulic oil.Sliding seat 9 is provided with spill port 21 and drainback passage 22, spill port 21 is located at the surface of sliding seat 9, drainback passage 22 is located in the body of sliding seat 9, one end of drainback passage 22 is communicated with spill port 21, the other end of drainback passage 22 is communicated with cabinets cavity, cabinets cavity is communicated with the second gap with described first gap, thus forms way to cycle oil, forms plane static pressure type pass the decoupling-structure that shakes with this between sliding shoe 8 and sliding seat 9.Pass at this plane static pressure type the height shaken between decoupling-structure cover plate 23 and base plate 24 to be determined by side plate, height between two slip planes on this aspect ratio sliding shoe 10 is slightly high, and the difference in height formed thus is the gross thickness of sliding shoe 10 upper and lower surface rigidity oil lamella.
Flow out from the window 17 of cover plate 23 to prevent the hydraulic oil of box house, and prevent dust and other impurities from entering box house, for the window 17 being located at cover plate 23, a soft sealing and dustproof cover 27 is set, the top of sealing and dustproof cover 27 is provided with through hole, through hole is enclosed within described linking arm 11 and linking arm 11 is fixed relatively, and sealing and dustproof cover 27 periphery is fixed on cover plate 23.
In order to better utilize flow restriction principle to improve the oil pressure in the first gap and the second gap and keep the stable of oil pressure, oil pocket 28 is equipped with at oiling passage 20 and the connectivity part in described first gap and the second gap, in the oiling passage 20 of oil pocket 28, be provided with flow controller 29, flow controller 29 is provided with the aperture for throttling.
Connect that passing shakes and to offset to the center of gravity of work top 1 after decoupling device that (work top 1 is cube to balance, the center of gravity of work top 1 is exactly cubical geometric center), pass in the corresponding X-axis of the first sidepiece of work top 1 decoupling device 3 that shakes and be fixedly installed an equilibrate counterweight 30.Pass in the corresponding Y-axis of the second sidepiece of work top 1 decoupling device 4 that shakes and be fixedly installed an equilibrate counterweight 30.Equilibrate counterweight 30 is rigid mass body, connects for balancing the center of gravity that plane static pressure type passes the decoupling device aftertable face 1 that shakes.
When plane static pressure type in the present embodiment passes and shakes decoupling device work, by oil hole hydraulic oil, carried by oiling passage, aperture on flow controller enters oil pocket, finally in the first gap and the second gap, define the static pressure oil film be parallel to each other for a pair, because static pressure oil film has good rigidity under elevated pressure conditions, nor hinder the slip between sliding shoe and sliding seat.When coaxial vibration machine sends dither and thrust, come transmitting vibrations frequency and thrust by the direction of vertical static pressure oil film, when different shaft vibration generator sends dither and thrust, realize decoupling zero by the slip between sliding shoe and sliding seat.The hydraulic oil flowed out from the first gap and the second clearance margin enters cabinets cavity, finally reclaims through drainback passage and spill port.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.About the structure change in above-described embodiment is described below:
1. above embodiment described a kind of embodiment of equilibrate counterweight 30, but for the present invention, equilibrate counterweight 30 also can be fixed on the bottom (regional location near the first sidepiece and the second sidepiece intersect) of work top 1, and can also arrange multiple equilibrate counterweight at the same sidepiece of work top 1.In a word, can determine according to specific needs about the quality of equilibrate counterweight, quantity and installation site, object is in order to the geometric center in holding table face is at least consistent in Z-direction with actual center of gravity.In fact do not have equilibrate counterweight also can realize the present invention, just operationally there is eccentric problem in work top.
2. above embodiment described fuel feeding path to be located on sliding shoe 8, and way to cycle oil is located at sliding seat 9.Both can exchange in fact, be located at sliding seat 9, and way to cycle oil are located at sliding shoe 8 by fuel feeding path.
3. above embodiment described a kind of implementation (being mainly convenient to processing) of casing, casing can also have following multiple change with the exception of this:
(1) cover plate 23 and base plate 24 are individual member, and side plate is made up of a rectangle frame, and casing is fixedly put together by the side plate of a cover plate 23, rectangle frame and a base plate 24.
(2) cover plate 23 is individual member, and side plate and base plate 24 are integral type first open top container, and wherein, side plate is a rectangle frame, and casing is fixedly put together by cover plate 23 and integral type first open top container.
(3) base plate 24 is individual member, and side plate and cover plate 23 are integral type second open top container, and wherein, side plate is a rectangle frame, and casing is put together by base plate 24 and integral type second open top container.
4. above embodiment described work top 1 to be respectively provided with a biography in X-axis, Y-axis and Z-direction and to shake decoupling device and a vibration machine.But consider from structure angle changing, each axis also can be realized by shake decoupling device and two vibration machines of two biographies side by side, even can be realized side by side to upload shake decoupling device and more than three or three vibration machines by three or three.Concrete selection can be determined according to actual needs, such as in the layout shown in Figure 12, when the Y direction size of work top 1 is larger, two X-axis can be adopted to pass shake decoupling device and two X axis vibration generators to realize side by side.Such as in the layout shown in Figure 13, X-axis and Y-axis be two biographies shake decoupling device and two vibration machines coaxial and arrange face-to-face and realize.
5. in the above-described embodiments, passing the decoupling device that shakes can be fixedly connected with the first link be positioned on sliding shoe with work top, and the second link be positioned on sliding seat is fixedly connected with vibration machine.Also can conversely the first link be fixedly connected with vibration machine, and the second link is fixedly connected with work top.When biography shakes decoupling device connection, directly the first link or the second link can be connected with work top or vibration machine, also can be connected by an exchanging structure.
6. in the above-described embodiments, the second link 18 is exactly the bottom surface of casing, but in implementing also can in the bottom surface of casing an extended contiguous block again, one end of contiguous block is as the second link 18.
7. as can be seen from the accompanying drawing of above-described embodiment, passing the decoupling device that shakes is be fixed with work top and vibration machine respectively by bolt to be connected, but also can adopt the mode of welding to realize in practice.
Embodiment 2: a kind of plane static pressure type passes the decoupling device that shakes
This plane static pressure type passes the decoupling device that shakes can be applied to two axial vibration composite testing platforms, or three-axial vibration composite testing platform.It is identical that its structure and the plane static pressure type described in embodiment 1 pass the decoupling device that shakes, and no longer repeated description here, see the related content of embodiment 1.
All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. plane static pressure type passes the decoupling device that shakes, and it is characterized in that: be made up of sliding shoe (8) and sliding seat (9) two parts;
Described sliding shoe (8) is provided with slide block (10) and linking arm (11), the outside surface of slide block (10) is provided with the first slip plane (12) and the second slip plane (13), first slip plane (12) and the second slip plane (13) are parallel to each other, and in the upper back-to-back layout of slide block (10), one end of linking arm (11) is fixedly connected with slide block (10), and the other end of linking arm (11) is as the first link (14) passing the decoupling device that shakes;
Described sliding seat (9) is provided with the casing that can hold described slide block (10), on cabinet wall, the direction of corresponding described first slip plane (12) and position are provided with the 3rd slip plane (15), direction and the position of corresponding described second slip plane (13) are provided with the 4th slip plane (16), and on casing wall, the direction of corresponding described linking arm (11) and position are provided with window (17); In the assembled condition, described slide block (10) is arranged in cabinets cavity, and stretch out in the window (17) of the other end of linking arm (11) set by from casing wall, the first slip plane (12) on slide block (10) is slidably matched with the 3rd slip plane (15) on cabinet wall, this face that is slidably matched has the first gap, the second slip plane (13) on slide block (10) is slidably matched with the 4th slip plane (16) on cabinet wall, and this face that is slidably matched has the second gap; Described sliding seat (9) is provided with the second link (18) passing the decoupling device that shakes;
Described sliding shoe (8) and sliding seat (9) are in both, arbitrary one is provided with oil hole (19) and oiling passage (20), oil hole (19) is located at the surface of one, oiling passage (20) is located in the body of one, one end of oiling passage (20) is communicated with oil hole (19), the other end extends to described first gap and the second gap, forms plane static pressure type pass the decoupling-structure that shakes with this between sliding shoe (8) and sliding seat (9);
Described sliding shoe (8) and sliding seat (9) are in both, spill port (21) and drainback passage (22) is provided with both, spill port (21) is located at the surface both, drainback passage (22) is located in the body both, one end of drainback passage (22) is communicated with spill port (21), the other end of drainback passage (22) is communicated with cabinets cavity, and cabinets cavity is communicated with the second gap with described first gap, forms way to cycle oil with this;
Described casing is surrounded by cover plate (23), side plate and base plate (24), and described window (17) is located at the central authorities of cover plate (23), and the splicing construction of casing adopts following scheme:
Cover plate (23) and base plate (24) are individual member, side plate is made up of two long side plates (25) and two short side plates (26), and casing is fixedly put together by a cover plate (23), two long side plates (25), two short side plates (26) and base plates (24);
Described oiling passage (20) is equipped with oil pocket (28) with the connectivity part in described first gap and the second gap, in the oiling passage (20) of oil pocket (28), be provided with flow controller (29).
2. plane static pressure type according to claim 1 passes the decoupling device that shakes, it is characterized in that: for the window (17) being located at cover plate (23), a soft sealing and dustproof cover (27) is set, the top of sealing and dustproof cover (27) is provided with through hole, through hole be enclosed within described linking arm (11) upper and relatively linking arm (11) fix, sealing and dustproof cover (27) periphery is fixed on cover plate (23).
3. a three-axial vibration composite testing platform, there is a work top (1) being used for bearing test article, this work top (1) passes through Z axis the decoupling device (2) that shakes and connects Z axis vibration generator (5) in the Z-direction of bottom vertical, the X-direction of lateral passes through X-axis the decoupling device (3) that shakes and connects X axis vibration generator (6), the Y direction of lateral passes through Y-axis the decoupling device (4) that shakes and connects Y axis vibration generator (7), it is characterized in that:
It is all identical that described Z axis passes the decoupling device (2) that shakes, X-axis passes the shake structure of decoupling device (4) of shake decoupling device (3) and Y-axis biography, and to shake decoupling device for plane static pressure type passes, this plane static pressure type passes the decoupling device that shakes and is made up of sliding shoe (8) and sliding seat (9) two parts;
Described sliding shoe (8) is provided with slide block (10) and linking arm (11), the outside surface of slide block (10) is provided with the first slip plane (12) and the second slip plane (13), first slip plane (12) and the second slip plane (13) are parallel to each other, and in the upper back-to-back layout of slide block (10), one end of linking arm (11) is fixedly connected with slide block (10), and the other end of linking arm (11) is as the first link (14) passing the decoupling device that shakes;
Described sliding seat (9) is provided with the casing that can hold described slide block (10), on cabinet wall, the direction of corresponding described first slip plane (12) and position are provided with the 3rd slip plane (15), direction and the position of corresponding described second slip plane (13) are provided with the 4th slip plane (16), and on casing wall, the direction of corresponding described linking arm (11) and position are provided with window (17); In the assembled condition, described slide block (10) is arranged in cabinets cavity, and stretch out in the window (17) of the other end of linking arm (11) set by from casing wall, the first slip plane (12) on slide block (10) is slidably matched with the 3rd slip plane (15) on cabinet wall, this face that is slidably matched has the first gap, the second slip plane (13) on slide block (10) is slidably matched with the 4th slip plane (16) on cabinet wall, and this face that is slidably matched has the second gap; Described sliding seat (9) is provided with the second link (18) passing the decoupling device that shakes;
Described sliding shoe (8) and sliding seat (9) are in both, arbitrary one is provided with oil hole (19) and oiling passage (20), oil hole (19) is located at the surface of one, oiling passage (20) is located in the body of one, one end of oiling passage (20) is communicated with oil hole (19), the other end extends to described first gap and the second gap, forms plane static pressure type pass the decoupling-structure that shakes with this between sliding shoe (8) and sliding seat (9);
Described sliding shoe (8) and sliding seat (9) are in both, spill port (21) and drainback passage (22) is provided with both, spill port (21) is located at the surface both, drainback passage (22) is located in the body both, one end of drainback passage (22) is communicated with spill port (21), the other end of drainback passage (22) is communicated with cabinets cavity, and cabinets cavity is communicated with the second gap with described first gap, forms way to cycle oil with this;
Described casing is surrounded by cover plate (23), side plate and base plate (24), and described window (17) is located at the central authorities of cover plate (23), and the splicing construction of casing adopts following scheme:
Cover plate (23) and base plate (24) are individual member, side plate is made up of two long side plates (25) and two short side plates (26), and casing is fixedly put together by a cover plate (23), two long side plates (25), two short side plates (26) and base plates (24);
Described oiling passage (20) is equipped with oil pocket (28) with the connectivity part in described first gap and the second gap, in the oiling passage (20) of oil pocket (28), be provided with flow controller (29).
4. three-axial vibration composite testing platform according to claim 3, it is characterized in that: the sidepiece of described work top (1) or bottom are fixedly installed equilibrate counterweight (30), equilibrate counterweight (30) is rigid mass body, connects for balancing the center of gravity that plane static pressure type passes the decoupling device aftertable face (1) that shakes.
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277377A (en) * | 2014-07-01 | 2016-01-27 | 北京强度环境研究所 | Dynamic force transmission device having two degrees of freedom |
| CN104596720B (en) * | 2015-01-15 | 2017-08-08 | 浙江大学 | Three-component standard vibration machine based on reed-type decoupling device |
| CN105137122A (en) * | 2015-09-09 | 2015-12-09 | 太原理工大学 | Triaxial accelerometer calibration platform based on sliding groove and sliding block decoupling devices |
| CN105241627B (en) * | 2015-10-27 | 2019-01-25 | 上海航天精密机械研究所 | A kind of vibration test horizontal direction pressure balance auxiliary support apparatus |
| KR20180104615A (en) * | 2016-01-15 | 2018-09-21 | 고쿠사이 게이소쿠키 가부시키가이샤 | Engines and coaxial actuators |
| CN106248198A (en) * | 2016-08-18 | 2016-12-21 | 重庆建设工业(集团)有限责任公司 | Three axle intermediate frequency vibration standard devices |
| CN106556502B (en) * | 2016-11-24 | 2019-09-20 | 苏州东菱振动试验仪器有限公司 | The axial decoupling device of integral type three and shake table with static pressure guide function |
| CN106546401B (en) * | 2016-11-24 | 2019-09-20 | 苏州东菱振动试验仪器有限公司 | Three axial decoupling devices and shake table with pre-pressing structure |
| CN109341999B (en) * | 2018-11-21 | 2021-04-30 | 苏州东菱振动试验仪器有限公司 | Decoupling mechanism and test device for two-axis synchronous vibration test |
| CN115508034B (en) * | 2022-11-20 | 2023-02-28 | 中国船舶重工集团公司第七一九研究所 | Ship composite vibration test system and construction method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855836A (en) * | 1981-09-30 | 1983-04-02 | Shinken:Kk | Multidimensional vibration testing machine and coupler therefor |
| US4602555A (en) * | 1984-02-01 | 1986-07-29 | Mts Systems Corporation | Preloaded table coupling |
| JP2002022595A (en) * | 2000-07-04 | 2002-01-23 | Hitachi Ltd | Vibrating table device |
| US6860152B2 (en) * | 2002-04-26 | 2005-03-01 | Team Corporation | High frequency multiple degree of freedom vibration test machine |
| CN200985955Y (en) * | 2006-12-19 | 2007-12-05 | 苏州试验仪器总厂 | Four sides oil film static pressure bearing |
| CN201218773Y (en) * | 2008-05-04 | 2009-04-08 | 苏州试验仪器总厂 | Three-axis vibration experiment apparatus |
| CN101281088B (en) * | 2008-05-13 | 2010-07-14 | 苏州苏试试验仪器有限公司 | Three-axis six-freedom degree vibration test apparatus |
| CN102519697B (en) * | 2011-12-31 | 2014-05-07 | 苏州苏试试验仪器股份有限公司 | Triaxial vibration testing device with integral base |
| CN202793722U (en) * | 2012-09-17 | 2013-03-13 | 苏州苏试试验仪器股份有限公司 | Planar static pressure type vibration transfer decoupling device and triaxial vibration composite test bench |
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