CN103256333A - Molecular spring vibration isolation buffering technology - Google Patents
Molecular spring vibration isolation buffering technology Download PDFInfo
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- CN103256333A CN103256333A CN201310180025XA CN201310180025A CN103256333A CN 103256333 A CN103256333 A CN 103256333A CN 201310180025X A CN201310180025X A CN 201310180025XA CN 201310180025 A CN201310180025 A CN 201310180025A CN 103256333 A CN103256333 A CN 103256333A
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- damping device
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- 238000002955 isolation Methods 0.000 title claims abstract description 80
- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 230000003139 buffering effect Effects 0.000 title claims abstract description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007787 solid Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000010457 zeolite Substances 0.000 claims description 50
- 229910021536 Zeolite Inorganic materials 0.000 claims description 49
- 238000013016 damping Methods 0.000 claims description 45
- 239000011148 porous material Substances 0.000 claims description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 230000002209 hydrophobic effect Effects 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention provides a brand-new vibration isolation buffering technology by utilizing the characteristics that water molecules can enter nanometer holes of dewatering zeolite particles when pressure is increased and automatically escape from the nanometer holes when the pressure is lowered, and certain energy is consumed in the process. A molecular spring is adopted as a work medium to design a vibration isolation buffering device. The vibration isolation buffering device comprises a hydraulic cylinder, an end cover, a fastening nut, a sleeve, a base, a thrust joint bearing, a rubber ring and a liquid and solid mixing medium formed by water and the zeolite particles. The hydraulic cylinder comprises a cylinder body, a piston, a foundation, a sealing bolt, a sealing ring and a sealing gasket. The molecular spring vibration isolation buffering device has subsection rigidity which comprises high bearing rigidity, low work rigidity and high limiting rigidity, and has the advantages of being strong in bearing capacity and low in inherent frequency of the work section, limiting automatically, possessing side rigidity, and being strong in survivability under severe environments, simple in structure and convenient to use and maintain. Moreover, vibration buffering performance of the device can be adjusted flexibly by adjusting effective piston sectional areas and the number of the zeolite particles.
Description
Technical field
The present invention relates to a kind of molecule spring vibration isolation buffer technology, nano science is applied to the anti-vibration and shock field.
Background technique
Along with science and technology development, power and the rotating speed of machine improve constantly, and vibration and impact have become very general problem in the modern project technology.For controlling vibration and the impact that power equipment and mechanical device cause, the passive vibration isolation technology simply effectively is widely used because of it, at present, the passive vibration isolation technical field has obtained abundant achievement, as spring vibration isolation device, metallic rubber vibration isolator, rubber vibration isolator, steel-wire isolator, air cushion shock absorber etc., but these vibration isolators are not fully up to expectations in heavily loaded low frequency vibration isolation field, exist bearing capacity deficiency, vibration isolating effect can not be satisfactory, the rugged environment lower member easily aging, volume is excessive, optional equipment a series of problem such as complexity too.
In recent years, discovering that water molecule can enter under certain pressure in the nano-pore of hydrophobic zeolite absorbs and storage of potential energy, at unloading phase because the potential energy effect that stores and effusion nano-pore in the water molecule, large quantity of moisture turnover nano-pore is finished storage and the release of energy in this process, and consume a spot of energy, property class liny spring is called the branch sub-spring.The present invention utilizes this characteristic of branch sub-spring, proposes to use a certain proportion of water and zeolite to constitute liquid-solid mixing medium as the media that elastic restoring force is provided, and has invented molecule spring vibration isolation buffer technology based on this.
Summary of the invention
The object of the invention is to provide molecule spring vibration isolation buffer technology, and design vibration isolation buffering device with minute sub-spring for working medium, this device has load-bearing rigidity height, work rigidity very low (thereby natural frequency is low), automatic spacing, has lateral rigidity concurrently, simple in structure, working service convenient, can regulate the characteristics of anti-vibration and shock performance easily; After the special construction design, the present invention all can be extensive use of in the vibration isolation field of jumbo and light equipment.
The present invention adopts following technological scheme:
A kind of molecule spring vibration isolation buffer technology of the present invention utilizes water molecule to enter the nano-pore of hydrophobic zeolite particle when pressure increases, automatic effusion nano-pore when pressure reduces, and in the characteristics of the certain energy of this process consumption, realize anti-vibration and shock.Used molecule spring vibration isolation damping device comprises end cap, pedestal, sleeve, rubber ring; Arrange sleeve on the described pedestal, arrange end cap in the sleeve, arrange rubber ring between end cap and the sleeve; Also comprise cylinder body, piston, base; Described base is arranged in the sleeve of end cap below, arranges rubber ring between base and the sleeve, and cylinder body is arranged in the base upper end, and end cap is nested with in the cylinder body upper end, arranges piston in the cylinder body, and piston extends cylinder body fixedlys connected with the interior edge face on end cap top; Filling liquid solid mixing medium in the cylinder body.
A kind of molecule spring vibration isolation buffer technology of the present invention, used molecule spring vibration isolation damping device piston and end cap are fixed by tightening nut.
A kind of molecule spring vibration isolation buffer technology of the present invention, sliding connection between the end cap of used molecule spring vibration isolation damping device and the cylinder body.
A kind of molecule spring vibration isolation buffer technology of the present invention, the piston of used molecule spring vibration isolation damping device comprises thick section and thin segment, described thick section is cock body, cock body be provided with through hole and with the cylinder body Spielpassung; Thin segment extends for carrying section and is slidingly matched between cylinder body and the cylinder body and seals.
A kind of molecule spring vibration isolation buffer technology of the present invention is offered groove in the base of used molecule spring vibration isolation damping device, and cylinder body is arranged in the groove, and cylinder body is connected with base by thread; Arrange gasket seal between cylinder body and the base; Base groove section in the cylinder body arranges exhaust port, and exhaust port seals by sealing bolt.
A kind of molecule spring vibration isolation buffer technology of the present invention, used molecule spring vibration isolation damping device also comprises thrust articulated bearing; The bottom of described cylinder body is provided with the polished rod of protrusion, and the bottom of polished rod connects thrust articulated bearing, and thrust articulated bearing is arranged on the pedestal.
A kind of molecule spring vibration isolation buffer technology of the present invention, described liquid-solid mixing medium are that water and zeolite granular are formed; Zeolite granular is hydrophobic zeolite, and hydrophobic zeolite is [user of Microsoft 1] MFI type zeolite silicalite-1 or DDR type zeolite decadodecasil 3R or AFI type zeolite SSZ-24 or MTW type zeolite ZSM-12 or TON type zeolite ZSM-22 or pure silicon chabasite Si-CHA or the mixture of above-mentioned zeolite.
A kind of molecule spring vibration isolation buffer technology of the present invention, described water is distilled water.
Beneficial effect
The invention provides a kind of molecule spring vibration isolation buffer technology, and molecule spring vibration isolation damping device proposed accordingly, this molecule spring vibration isolation damping device has the characteristics of high bearing capacity, low work rigidity, has lateral rigidity concurrently, is fit to the vibration isolation requirement of heavy duty equipment.
Can change the work rigidity of molecule spring vibration isolation damping device by the quantity of increase and decrease zeolite granular.
Zeolite granular has high porosity, fills the amount of deformation that a small amount of liquid-solid mixing medium can satisfy the vibration isolation demand, makes molecule spring vibration isolation damping device can accomplish very little when saving material.
The phase III rigidity of molecule spring vibration isolation damping device is very big, plays from position-limiting action, can effectively avoid causing because displacement is excessive the problem of structural damage.
In order to make the liquid-solid mixing medium internal pressure reach the required pressure of active section, can be by changing the thickness of piston rod active section, thereby change its effective active area and change bearing capacity, make molecule spring vibration isolation damping device all can under work rigidity, work the effect of performance low frequency vibration isolation under the various loads.Like this, the present invention is being with a wide range of applications aspect the light equipment vibration isolation too.
Because water and zeolite can be worked under rugged environment in closed cavity for a long time, the problem that no material aging and corrosion cause performance to descend.The present invention is simple in structure, be convenient to safeguard, can change mixed medium easily when needing.
In addition, molecule spring vibration isolation damping device has lateral rigidity, can bear certain lateral load.
Description of drawings
Fig. 1 is molecule spring vibration isolation damping device structural representation.
Fig. 2 is molecule spring vibration isolation damping device cylinder body side view.
Fig. 3 is molecule spring vibration isolation damping device base vertical view.
Fig. 4 enters the schematic representation of nano-pore under the ambient pressure effect for the pressure-displacement diagram of water among the present invention and zeolite liquid-solid mixing medium and partial enlarged drawing thereof, water.
Fig. 5 is silicalite-1 for zeolite, and useful area is 3.14cm2, and the packing volume of water is under the 20ml condition, the pressure-displacement diagram of molecule spring vibration isolation damping device of the present invention and the loading of zeolite granular concern example.
Fig. 6 is silicalite-1 for zeolite, and the packing volume of water is 10ml, and the loading of zeolite granular is under the 10g condition, the pressure-displacement diagram of molecule spring vibration isolation damping device of the present invention and useful area concern example.
1 is end cap among the figure, the 2nd, and cylinder body, the 3rd, piston, the 4th, base, the 5th, sealing bolt, the 6th, hydrophobic zeolite, the 7th, water, the 8th, seal ring, the 9th, gasket seal, the 10th, tightening nut, the 11st, thrust articulated bearing, the 12nd, pedestal, the 13rd, sleeve, the 14th, rubber ring,
Embodiment
The present invention is described in more detail below in conjunction with accompanying drawing:
The present invention utilizes water molecule can enter the nano-pore of hydrophobic zeolite particle when pressure increases, and the characteristics of the nano-pore of can overflowing automatically when pressure reduces have proposed a kind of brand-new vibration isolation technique.Divide sub-spring with water and the granule sealed mixed medium that in hydraulic container, obtains of hydrophobic zeolite, utilize water molecule under high pressure the circulate hydrophobic transformation of energy capillaceous of nanometer and loss characteristic in the zeolite, realize the anti-vibration and shock protection to equipment; Divide sub-spring to can be used for vibration isolation, vibration damping and buffering; Because water molecule is in the complexity difference of different pressures stage turnover nano-pore, the characteristic of dividing sub-spring to present high-mechanic rigidity, low dynamic rate and high spacing rigidity, thereby make molecule spring vibration isolation damping device possess the ideal performance of extremely low natural frequency and little quiet distortion simultaneously.
As shown in the figure: the liquid-solid mixing medium that water and zeolite granular are formed is sealed in the oil hydraulic cylinder, pressurizes and unloads by piston.This liquid-solid mixing medium action effect under pressure divides three phases: the phase I is called the carrying section, pressure begins to increase under normal pressure, water molecule enters in the nano-pore of zeolite hardly, this moment, the compressibility of liquid made this mixed medium volume slightly reduce along with pressure increases, molecule spring vibration isolation damping device shows high rigidity, is called load-bearing rigidity; Second stage is called active section, the pressurization of phase I makes hydraulic pressure (the required pressure difference of different zeolites that acquires a certain degree, be generally tens MPas to MPas up to a hundred), continue pressurization, this moment, water molecule began to enter in a large number in the nano-pore of zeolite, this mixed medium volume of this stage reduces rapidly along with pressure increases, and molecule spring vibration isolation damping device shows low rigidity, is called work rigidity; Along with water molecule is full of the nano-pore of zeolite, compression process enters the phase III, is called spacing section, and this stage does not have water molecule to enter nano-pore, and the compressibility of liquid makes this molecule spring vibration isolation damping device show as high rigidity, is called spacing rigidity; Uninstall process is the inverse process of loading procedure.
The process that the liquid-solid boundary contact has Laplace-Washburn equation, water under high pressure to enter the nano-pore of hydrophobic zeolite in the pore satisfies this equation:
In the formula,
For water molecule enters the pressure in dewatering nano hole,
Be the surface tension of water,
Be the liquid-solid boundary wrapping angle, for water and hydrophobic interfaces, this angle is greater than 90 °,
Be the nano-pore radius.Thus formula as seen, the pressure that water enters the dewatering nano hole increases along with reducing of nano-pore radius.Because the nano-pore of zeolite granular is inhomogeneous, therefore water molecule takes the lead in filling bigger nano-pore hole in pressure process, along with pressure increases, fills less hole gradually, and finally all holes all are full of by water, therefore produces rigidity at active section; For with a kind of zeolite granular, its pore-size is very approaching, so between the different aperture
Difference is very little, and along with water molecule enters nano-pore in a large number, the liquid-solid mixing medium Volume Changes is very big, so active section presents low stiffness characteristics.
Vibration isolation buffering device of the present invention in use, load (generally by the quality of device for vibration insutation) is pressurizeed to liquid-solid mixing medium by piston.Molecule spring vibration isolation damping device is suitable for load quality
In the formula
Enter the pressure in dewatering nano hole for water molecule; Subscript
For water begins to enter nano-pore stage of zeolite, subscript
For water is full of the nano-pore stage,
Be the effective active area of piston compression,
Be gravity accleration.
Under suitable load quality effect, the pressure in this mixed medium is in active section, and this moment, molecule spring vibration isolation damping device rigidity was very low, reached optimum vibration isolating effect.
Water of the present invention and zeolite mixed medium, water begin to enter the pressure of the nano-pore of zeolite
Different different because of zeolite type, be tens of MPas even MPa up to a hundred, water is full of the pressure of the nano-pore of zeolite
Be slightly larger than
, active section pressure is
, so molecule spring vibration isolation damping device carrying quality is hundreds of Kg/cm
2To thousands of Kg/cm
2, namely every square centimeter of piston effective active area can carry hundreds of even thousands of kilogram, shows high bearing capacity.At active section, make molecule spring vibration isolation damping device show very low rigidity owing to water molecule passes in and out nano-pore in a large number, thereby make vibrating isolation system have very low natural frequency.
For with a kind of zeolite,
With
Be definite value, along with the increase of zeolite granular quantity, water molecule is under high pressure filled in the process of nano-pore, and the volume of water and zeolite mixed medium reduces more rapidly, so the rigidity of molecule spring vibration isolation damping device reduces.According to these characteristics, can regulate the work rigidity of molecule spring vibration isolation damping device easily, no matter the load quality size can make vibrating isolation system have extremely low frequency of okperation.
Be example to fill the silicalite-1 zeolite granular, relation such as following table between the performance that provides liquid-solid mixing medium molecule spring vibration isolation damping device and piston rod useful area and the filling zeolite quality:
Table a part spring vibration isolation damping device anti-vibration and shock performance and zeolite filling quality concern example;
Table two molecule spring vibration isolation damping device anti-vibration and shock performance and piston effective area concern example:
The present invention is described in more detail below in conjunction with molecule spring vibration isolation damping device structural representation:
As shown in Figure 1, molecule spring vibration isolation damping device comprises the liquid-solid mixing medium that oil hydraulic cylinder, end cap 1, tightening nut 10, sleeve 13, pedestal 12, thrust articulated bearing 11, rubber ring 14 and water 7 and zeolite granular 6 are formed.Described oil hydraulic cylinder comprises cylinder body 2, piston 3, base 4, sealing bolt 5, seal ring 8 and gasket seal 9.Make a call to all screws on the end cap 1, can the fixed transfer part, make things convenient for bearing load or be connected by device for vibration insutation; End cap 1 is threaded with piston 3 usefulness, and the blow-by that is slidingly matched of end cap 1 and cylinder body 2 provides axial stability; Piston 3 cock bodys are got through the hole, with cylinder body 2 Spielpassung, make piston 3 axially more stable, be slidingly matched between carrying section and the cylinder body 2, and by seal ring 8 sealings; Cylinder body 2 is threaded with base 4, between gasket seal 9 is arranged, fitted seal still can guarantee excellent sealing through dismounting for several times, conveniently installs and cleans; Cylinder body 2 has the protruding joint of Hexagon as shown in Figure 4, and as shown in Figure 5, base 4 profiles are Hexagon, conveniently tighten; The base 4 bottoms pore that begins to rehearse is used for discharging the bubble of liquid-solid mixing medium, can add diminishing 7 or zeolite granular 6 by exhaust port simultaneously, during work with countersunk head sealing bolt 5 with its sealing.The liquid-solid mixing medium that water 7 and zeolite granular 6 formed is sealed in the oil hydraulic cylinder, pressurizes and unloads by piston 3.Base 4 is connected with thrust articulated bearing 11, and thrust articulated bearing 11 is welded on the pedestal 12; Oil hydraulic cylinder places in the exocoel that pedestal 12 and sleeve 13 constitute, and end cap 1 external stability rubber ring 14, and leave the gap between the sleeve 13 does not influence end cap 1 axial motion, filled rubber circle 14 between base 4 and the sleeve 13 having only under the situation of thrust load; When molecule spring vibration isolation damping device was subjected to lateral load, rubber ring 14 provided lateral rigidity.By being threaded, make a call to a ring through hole on the pedestal 12 between pedestal 12 and the sleeve 13, can connect adaptor or be fixed on the basis.
This molecule spring vibration isolation damping device has the characteristics of high bearing capacity, low work rigidity, has lateral rigidity concurrently.Piston 3 carrying section sectional areas are the piston effective active area, by changing the effective active area that piston 3 carrying section diameters change piston 3, to satisfy unequally loaded vibration isolation requirement.Can change the work rigidity of molecule spring vibration isolation damping device by the quantity of increase and decrease zeolite granular.
Claims (7)
1. molecule spring vibration isolation buffer technology, it is characterized in that: divide sub-spring with water and the granule sealed mixed medium that in hydraulic container, obtains of hydrophobic zeolite, utilize water molecule under high pressure the circulate hydrophobic transformation of energy capillaceous of nanometer and loss characteristic in the zeolite, realize the anti-vibration and shock protection to equipment; Divide sub-spring to can be used for vibration isolation, vibration damping and buffering; Because water molecule is in the complexity difference of different pressures stage turnover nano-pore, the characteristic of dividing sub-spring to present high-mechanic rigidity, low dynamic rate and high spacing rigidity, thereby make molecule spring vibration isolation damping device possess the ideal performance of extremely low natural frequency and little quiet distortion simultaneously.
2. utilize the molecule spring vibration isolation damping device of the described molecule spring vibration isolation of claim 1 buffer technology manufacturing: comprise end cap (1), pedestal (12), sleeve (13), rubber ring (14); Described pedestal (12) is gone up and is arranged sleeve (13), arranges end cap (1) in the sleeve (13), arranges rubber ring (14) between end cap (1) and the sleeve (13); It is characterized in that: also comprise cylinder body (2), piston (3), base (4); Described base (4) is arranged in the sleeve (13) of end cap (1) below, arrange rubber ring (14) between base (4) and the sleeve (13), cylinder body (2) is arranged in base (4) upper end, end cap (1) is nested with in cylinder body (2) upper end, arrange piston (3) in the cylinder body (2), piston (3) extends cylinder body (2) fixedlys connected with the interior edge face on end cap (1) top; The interior filling liquid solid mixing medium of cylinder body (2).
3. molecule spring vibration isolation damping device according to claim 2 is characterized in that: piston (3) is fixing by tightening nut (10) with end cap (1).
4. molecule spring vibration isolation damping device according to claim 2 is characterized in that: sliding connection between described end cap (1) and the cylinder body (2).
5. molecule spring vibration isolation damping device according to claim 2, it is characterized in that: described piston (3) comprises thick section and thin segment, described thick section is cock body, cock body be provided with through hole and with the cylinder body Spielpassung; Thin segment extends for carrying section and is slidingly matched between cylinder body (2) and the cylinder body (2) and seals.
6. molecule spring vibration isolation damping device according to claim 2, it is characterized in that: described base is offered groove in (4), and cylinder body (2) is arranged in the groove, and cylinder body (2) and base (4) are by being threaded; Arrange gasket seal (9) between cylinder body (2) and the base (4); Base (4) groove section in the cylinder body (2) arranges exhaust port, and exhaust port is by sealing bolt (5) sealing.
7. molecule spring vibration isolation damping device according to claim 2 is characterized in that: also comprise thrust articulated bearing (11); The bottom of described base (4) is provided with the polished rod of protrusion, and the bottom of polished rod connects thrust articulated bearing (11), and thrust articulated bearing (11) is arranged on the pedestal (12).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899702A (en) * | 2014-04-08 | 2014-07-02 | 陈曦 | Nano porous energy absorbing structure based on metal package |
| CN104787717A (en) * | 2014-01-20 | 2015-07-22 | 中国科学院金属研究所 | Nanometer porous driver based on liquid driving and application thereof |
| WO2017016405A1 (en) * | 2015-07-24 | 2017-02-02 | 陈前 | Molecular spring vibration isolation buffer |
| CN112963487A (en) * | 2021-01-22 | 2021-06-15 | 中国人民解放军92578部队 | Piston type molecular spring vibration isolator |
| CN114562535A (en) * | 2022-03-01 | 2022-05-31 | 浙江创特新材科技有限公司 | Air shock absorber system |
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| JP2001219799A (en) * | 2000-02-09 | 2001-08-14 | Kunio Nakajima | Shock absorber |
| JP2005121091A (en) * | 2003-10-15 | 2005-05-12 | Takuzo Iwatsubo | Colloidal damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104787717A (en) * | 2014-01-20 | 2015-07-22 | 中国科学院金属研究所 | Nanometer porous driver based on liquid driving and application thereof |
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| WO2017016405A1 (en) * | 2015-07-24 | 2017-02-02 | 陈前 | Molecular spring vibration isolation buffer |
| CN112963487A (en) * | 2021-01-22 | 2021-06-15 | 中国人民解放军92578部队 | Piston type molecular spring vibration isolator |
| CN114562535A (en) * | 2022-03-01 | 2022-05-31 | 浙江创特新材科技有限公司 | Air shock absorber system |
| CN114562535B (en) * | 2022-03-01 | 2024-03-01 | 浙江创特新材科技有限公司 | Air damper system |
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| CN103256333B (en) | 2015-05-20 |
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