CN206531623U - A kind of Meta Materials vibration isolator Mechanics Performance Testing device - Google Patents
A kind of Meta Materials vibration isolator Mechanics Performance Testing device Download PDFInfo
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- CN206531623U CN206531623U CN201720069015.2U CN201720069015U CN206531623U CN 206531623 U CN206531623 U CN 206531623U CN 201720069015 U CN201720069015 U CN 201720069015U CN 206531623 U CN206531623 U CN 206531623U
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- vibration isolator
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Abstract
The utility model belongs to vibration and noise reducing field, more particularly to a kind of Mechanics Performance Testing device of Meta Materials vibration isolator.A kind of Meta Materials vibration isolator Mechanics Performance Testing device, its technical scheme is：It includes：Plate, amesdial and tie down screw are moved in side fixed board, pinboard, excitation transferring element, side；The present apparatus realizes the simulation loading of specific load in the method for Bit andits control by carrying out precommpression to Meta Materials vibration isolator to be measured.In the lateral mechanical property of test vibration isolator, double vibration isolator pendants are taken to be offset to the mode of dress because of the horizontal component that excitation is produced, it is ensured that excitation orientation is vertical all the time.Transmission rod ensures that excitation accurately puts on Meta Materials vibration isolator to be measured, while in the case where not changing loading capacity, realizing measurement direction rapid translating.The utility model can effectively simulate load when Meta Materials vibration isolator is actual to be on active service, and more accurate vibration isolator military service performance parameter is obtained ahead of time, design reference and foundation are provided for the development of New Type Vibration Isolator Using, type selecting.
Description
Technical field
The utility model belongs to vibration and noise reducing field, the Mechanics Performance Testing dress of more particularly to a kind of Meta Materials vibration isolator
Put.
Background technology
In recent years, low frequency vibration isolation is always the technical barrier that ocean weapon equipment platform faces.The rise of Meta Materials technology,
New technological approaches is provided for low frequency vibration isolation so that the rigidity customization of vibration isolator and intelligent control are possibly realized, and are vibration isolation system
System, which realizes " high quiet low dynamic " and finally improves low frequency vibration isolation effect, provides technical support.In this context, Meta Materials vibration isolator
Development work brought into schedule, at the same time, to quiet, the dynamic mechanical experimental test analysis of Meta Materials vibration isolator also day
Benefit is taken seriously.Quiet, the dynamic mechanical method of testing of current tradition vibration isolator have had ready-made standard, and have possessed many
The professional test stand of form.However, these stands be mostly professional customed product, involve great expense, purposes it is single and popularization journey
Degree is not high.In addition, traditional design of vibration isolator, because rubber modulus of compressibility is generally higher than modulus of shearing, vibration isolator lateral stiffness meeting
Less than main carrying direction, the vibration isolator of the low intrinsic frequency in part is caused although to possess good vibration isolating effect, but lateral stiffness is low,
Vibrating isolation system is unstable.And Meta Materials vibration isolator is directed to above-mentioned phenomenon, in design, using homogenization theory, to vibration isolator
Rigidity property is regulated and controled, and lateral rigidity is all higher than the rigidity in main carrying direction.In this way, then efficiently solve vibration isolating effect with
Contradiction between vibrating isolation system stability.To verify above-mentioned design object, the mechanical property to Meta Materials vibration isolator is tested
Just it is particularly important.
Utility model content
The purpose of this utility model is：Operating mode static load when being on active service for simulation Meta Materials vibration isolator is actual is used there is provided one kind
In the device of the mechanical property of measurement Meta Materials vibration isolator.
The technical solution of the utility model is：A kind of Meta Materials vibration isolator Mechanics Performance Testing device, it includes：Determine side
Plate, amesdial and tie down screw are moved in plate, pinboard, excitation transferring element, side；
Arc sliding groove of the side fixed board provided with two sections of distributions that are centrosymmetric, is additionally provided with positioning rotation stop in the fixed board of side
Hole；
The one side of pinboard is provided with the interface for being used for installing Meta Materials vibration isolator, and another side is provided with rotation handle；
Excitation transferring element includes：The box body structure that plate is constituted is laterallyd secure with two pieces by four pieces of supporting plates, removably
Cover plate in the one of supporting plate of the box body structure, and the transmission rod being connected with cover plate；
Pinboard is arranged in the fixed board of side by plane bearing, is rotated handle and is passed therefrom in a sliding groove；Switching
Positioning and fastening are realized by the bearing pin in positioning rotation stop hole between plate and side fixed board；
The dynamic plate in side is identical with the structure of side fixed board, and another piece of pinboard is arranged on side and moved on plate in an identical manner；
The bottom that side fixed board moves plate with side is equipped with the fixed block for test device to be fixed on experimental test platform；Side
Fixed board and side are moved plate and are oppositely arranged, between be provided with guide rod and tie down screw, one end of guide rod is fixedly connected with side fixed board, separately
One end is arranged on side by linear bearing and moved on plate, and one end of tie down screw is fixedly connected with side fixed board, and the other end moves plate with side
It is flexibly connected；Move plate and can move and be locked by tie down screw along guide rod in side；
Two Meta Materials vibration isolators are arranged on two pieces of pinboards in pendant form, and its axis and transmission rod are perpendicular, are surpassed
The port of installing of material vibration isolator is located in the box body structure of excitation transferring element, and by through the clamping screw for lateralling secure plate
It is fixed；
Amesdial is arranged between two pieces of pinboards.The present apparatus by Meta Materials vibration isolator to be measured carry out precommpression, with
The method of Bit andits control realizes the simulation loading of specific load.In the lateral mechanical property of test vibration isolator, double vibration isolation are taken
Device pendant is offset to the mode of dress because of the horizontal component that excitation is produced, it is ensured that excitation orientation is vertical all the time.Transmission rod ensures to swash
Encourage and accurately put on Meta Materials vibration isolator to be measured, while in the case where not changing loading capacity, realizing measurement direction rapid translating.
Specific operating process is：
A) side is moved into plate to be moved at the maximum displacement away from side fixed board along guide rod；
B) pinboard is respectively arranged in into side fixed board, side to move plate, and rotated in advance by handle, it is ensured that pinboard is rotated
Smoothness, positioning rotation stop hole axiality is good；
C) one group of same model Meta Materials vibration isolator to be measured is separately mounted to two pinboards in the form of pendant is to dress, and it is right
Pinboard carries out positioning and locking；
D) the installation port that plate is fastened on two vibration isolators is laterallyd secure by two pieces by clamping screw respectively；
E) slide spacing to the correct position moved between plate two fixed plates of adjustment side and four pieces of supporting plates are installed；
F) in the supporting plate at top, transmission rod is disposed vertically, and transmission rod is compressed by cover plate, then with spiral shell
Bolt is fastened, and completes the assembling of excitation transferring element；
G) amesdial is installed between two pinboards, and amesdial is in its pre-compressed state, according to targeted compression amount △,
Calculate the target reading value of amesdial；
H) clamping screw of rotational lock screw rod movable end, observes the numerical value of amesdial, reaches the target reading of amesdial
After value, stop the rotation clamping screw；
I) whole device is firmly secured to by experimental test platform by fixed block, carried out on one direction of Meta Materials isolator
Mechanics Performance Testing；
J) after the completion of testing, transmission rod, cover plate, the clamping screw of dismounting excitation transferring element rotate handle by pinboard
Rotate after 90 °, repeat step c)-i) mechanical property in the other directions of vibration isolator can be tested.
Beneficial effect：The utility model moves the displacement between plate by adjusting side fixed board and side and controls the simulation dead load big
It is small, and realize that guarantor carries by clamping screw；The quick change of measurement direction under the conditions of guarantor's load is realized by rotatableization of pinboard
Change；Transmission rod in excitation transferring element uses flexile mounting method, i.e., when Meta Materials vibration isolator is clamped by simulation load, power transmission
Bar can flexibly be installed on different measurement directions from cover plate according to testing requirement.The utility model can effectively simulate Meta Materials vibration isolation
Device it is actual be on active service when load, more accurate vibration isolator military service performance parameter is obtained ahead of time, be New Type Vibration Isolator Using development, choosing
Type provides design reference and foundation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 top view；
Fig. 3 is pinboard and the connected mode schematic diagram of side fixed board in the utility model；
Fig. 4 is excitation transferring element structural representation in the utility model；
Fig. 5 is Fig. 4 top view.
Embodiment
Embodiment 1, referring to accompanying drawing 1,2, a kind of Meta Materials vibration isolator Mechanics Performance Testing device, it includes：Side fixed board 1,
Plate 7, amesdial 8 and tie down screw 10 are moved in pinboard 2, excitation transferring element 4, side；
Referring to accompanying drawing 3, arc sliding groove 14 of the side fixed board 1 provided with two sections of distributions that are centrosymmetric, in side fixed board 1 also
Provided with positioning rotation stop hole 13；
The one side of pinboard 2 is provided with the interface for being used for installing Meta Materials vibration isolator 3, and another side is provided with rotation handle 21；
Referring to accompanying drawing 4,5, excitation transferring element 4 includes：Laterally secure what plate 44 was constituted by four pieces of supporting plates 43 and two pieces
Box body structure, is detachably arranged in the cover plate 42 in the one of supporting plate 43 of the box body structure, and be connected with cover plate 42
Transmission rod 41；The ratio of height to diameter of transmission rod 41 is more than 10 (H/D ＞ 10), it is ensured that the rigidity of excitation direction of transfer is sufficiently large, and footpath
It is then relatively small to rigidity；
Pinboard 2 is arranged in side fixed board 1 by plane bearing 12, and its rotation handle 21 is therefrom in a sliding groove 14
Pass；Rotate handle 21 with sliding groove 14 for gap to coordinate, by rotating the rotation handle 21 on pinboard 2 to Meta Materials vibration isolation
Device 3 is rotated, and realizes that measurement direction is converted, and passes through the pin in positioning rotation stop hole 13 between pinboard 2 and side fixed board 1
Axle is positioned and fastened；
The dynamic plate 7 in side is identical with the structure of side fixed board 1, and another piece of pinboard 2 is arranged on side and moved on plate 7 in an identical manner；
The bottom that side fixed board 1 moves plate 7 with side is equipped with fixed block 9；Side fixed board 1 and side are moved plate 7 and are oppositely arranged, between set
There are guide rod 5 and tie down screw 10, one end of guide rod 5 is fixedly connected with side fixed board 1, and the other end is arranged on by linear bearing 6
Side is moved on plate 7, and one end of tie down screw 10 is fixedly connected with side fixed board 1, and the other end is flexibly connected with dynamic side plate 7；Plate 7 is moved in side can
Move and locked by tie down screw 10 along guide rod 5；
Two Meta Materials vibration isolators 3 are arranged on two pieces of pinboards 2 in pendant form, and its axis mutually hangs down with transmission rod 41
Directly, the port of installing of Meta Materials vibration isolator 3 is located in the box body structure of excitation transferring element 4, and by through lateralling secure plate 44
Clamping screw 45 fix；
In test process, the application of simulation load and guarantor are carried by being installed on the dynamic locking between plate 7 and assay plate 1 in side
Screw rod 10 realizes that tie down screw 10, using being fixedly connected, is used with dynamic side plate 7 and is flexibly connected, by tightening locking with side fixed board 1
Bolt adjusts the spacing between the dynamic plate 7 of side fixed board 1 and side, and the display numerical value using amesdial 8 realizes decrement control as feedback
System.
Embodiment 2, a kind of Meta Materials vibration isolator (MI400), its main carrying direction design load is 400kN, and Static stiffness is
1000N/mm.Three-dimensional rated load Static stiffness, dynamic stiffness and the dynamic mechanical durability of the vibration isolator are tested in existing test requirements document
Energy.Testing equipment selects universal marque MTS322 dynamic fatigue test machines, wherein main carrying direction, because of vibration isolator in itself
Can just it put, during test, excitation orientation and main carrying direction are coaxial, can directly test.Experimental test goes out the quiet firm of vibration isolator
Spend for 968N/mm, the quiet deflection of rated load is 4.13mm, reaches expected design target.Its non-master carries direction (two sides
To) Mechanics Performance Testing process is as follows：Two MI400 are separately mounted on two pinboards 2；By two lateral 44 points of fixed plates
The bearing end of vibration isolator, bolt locking are not installed on；Slide side and move plate 7 so that the gap between two lateral fixed plates 44 is lucky
Supporting plate 43 is adapted to fit, in addition to the top of plate 44 is laterallyd secure, supporting plate 43 is anchored on laterally by other sides with bolt
Fixed plate；In the supporting plate 43 for lateralling secure the top of plate 44, transmission rod 41 is placed, then compressed with cover plate 42, last bolt lock
Gu；The fixation terminal bolt of tie down screw 10 is fastened, then slightly screws the bolt of movable end, the mild compression resistance of vibration isolator is felt
After power, amesdial 8 is installed between two pinboards 2 so that amesdial 8 has certain initial compression displacement (L0), then rotation
Bolt on tie down screw 10 so that L=L0+8.26mm；Adjust position of the present apparatus on testing machine so that transmission rod 41 with
Testing machine vibrator is coaxial, and fixed block 9 then is installed on into fixed (dynamic) plate in side, and by fixed block 9 that a whole set of experimental rig is firm
Admittedly it is fixed on testing machine pedestal；Dynamic loading is applied to transmission rod 41 by testing machine, the dynamic force in ZX directions is tested out --- position
Curve is moved, through data processing, it is 1213N/mm to draw ZX directions dynamic stiffness, and the intrinsic frequency calculated is 8.8Hz, is then existed
Exciting is carried out 2 hours to vibration isolator under 8.8Hz frequency, and tests the dynamic force in ZX directions after long duration test --- displacement is bent
Line, the dynamic stiffness for calculating the resistance to directions of ZX long afterwards is 1248N/mm, and endurance quality knots modification is 2.86%；Dismantle on transmission rod 41
Cover plate 42, remove transmission rod 41, pinboard be rotated by 90 °, reposition, and lock rotation stop, then install transmission rod 41, it is right
ZY is to the test for repeating ZX directions, and the dynamic stiffness that test obtains ZY directions is 2270N/mm, and resistance to dynamic stiffness long afterwards is 2354N/
Mm, endurance quality knots modification is 3.70%.
Claims (2)
1. a kind of Meta Materials vibration isolator Mechanics Performance Testing device, it is characterized in that：It includes：Side fixed board (1), pinboard (2), swash
Encourage transferring element (4), side and move plate (7), amesdial (8) and tie down screw (10)；
Arc sliding groove (14) of the side fixed board (1) provided with two sections of distributions that are centrosymmetric, on the side fixed board (1) also
Provided with positioning rotation stop hole (13)；
The one side of the pinboard (2) is provided with the interface for being used for installing Meta Materials vibration isolator (3), and another side is provided with rotation handle
(21)；
The excitation transferring element (4) includes：By four pieces of supporting plates (43) the box body knot that plate (44) is constituted is laterallyd secure with two pieces
Structure, is detachably arranged in the cover plate (42) in the one of supporting plate of the box body structure (43), and with the cover plate (42)
The transmission rod (41) of connection；
The pinboard (2) is arranged on the side fixed board (1) by plane bearing (12), and the rotation handle (21) is therefrom
Passed in one sliding groove (14)；By positioned at the positioning rotation stop between the pinboard (2) and the side fixed board (1)
Bearing pin in hole (13) realizes positioning and fastening；
The side moves that plate (7) is identical with the structure of the side fixed board (1), and another piece of pinboard (2) is pacified in an identical manner
Moved mounted in the side on plate (7)；
The bottom that the side fixed board (1) moves plate (7) with the side is equipped with for test device to be fixed on into experimental test platform
Fixed block (9)；The side fixed board (1) and the side are moved plate (7) and are oppositely arranged, between be provided with guide rod (5) and locking screw
Bar (10), one end of the guide rod (5) is fixedly connected with the side fixed board (1), and the other end is arranged on institute by linear bearing (6)
State side to move on plate (7), one end of the tie down screw (10) is fixedly connected with the side fixed board (1), the other end is moved with the side
Plate (7) is flexibly connected；Plate (7) is moved in the side can be along the guide rod (5) movement and by the tie down screw (10) locking；
Two Meta Materials vibration isolators (3) are arranged on two pieces of pinboards (2) in pendant form, and its axis is passed with described
Power bar (41) is perpendicular, and the installation port of the Meta Materials vibration isolator (3) is located at the box body structure of the excitation transferring element (4)
It is interior, and by fixed through the clamping screw (45) for lateralling secure plate (44)；
The amesdial (8) is arranged between two pieces of pinboards (2).
2. a kind of Meta Materials vibration isolator Mechanics Performance Testing device as claimed in claim 1, it is characterized in that：The transmission rod
(41) ratio of height to diameter is more than 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069015.2U CN206531623U (en) | 2017-01-17 | 2017-01-17 | A kind of Meta Materials vibration isolator Mechanics Performance Testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069015.2U CN206531623U (en) | 2017-01-17 | 2017-01-17 | A kind of Meta Materials vibration isolator Mechanics Performance Testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531623U true CN206531623U (en) | 2017-09-29 |
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ID=59918371
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720069015.2U Expired - Fee Related CN206531623U (en) | 2017-01-17 | 2017-01-17 | A kind of Meta Materials vibration isolator Mechanics Performance Testing device |
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| Country | Link |
|---|---|
| CN (1) | CN206531623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679913A (en) * | 2017-01-17 | 2017-05-17 | 中国船舶重工集团公司第七〇九研究所 | Device for testing mechanical performance of metamaterial vibration isolators |
-
2017
- 2017-01-17 CN CN201720069015.2U patent/CN206531623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679913A (en) * | 2017-01-17 | 2017-05-17 | 中国船舶重工集团公司第七〇九研究所 | Device for testing mechanical performance of metamaterial vibration isolators |
| CN106679913B (en) * | 2017-01-17 | 2023-06-27 | 中国船舶重工集团公司第七一九研究所 | Metamaterial vibration isolator mechanical property testing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20200117 |