CN114458711A - Universal shock absorber structure for improving metal rubber shock absorption effect - Google Patents
Universal shock absorber structure for improving metal rubber shock absorption effect Download PDFInfo
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- CN114458711A CN114458711A CN202210075021.4A CN202210075021A CN114458711A CN 114458711 A CN114458711 A CN 114458711A CN 202210075021 A CN202210075021 A CN 202210075021A CN 114458711 A CN114458711 A CN 114458711A
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- metal rubber
- cylindrical seat
- shock absorber
- rubber component
- support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/04—Friction
Abstract
The invention relates to a universal shock absorber structure for improving the vibration attenuation effect of metal rubber, which comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which upwards penetrates through the cover plate is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring leaf assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; the cylindrical seat is internally provided with a pressing plate fixedly connected to the supporting rod, the upper side and the lower side of the cylindrical seat are respectively provided with a metal rubber component, the metal rubber component is formed by closely arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber component. The invention improves the damping capacity of the metal rubber by increasing the friction of the metal rubber, thereby greatly improving the damping effect of the damping device, and the universal damper has good damping effect, strong practicability, low processing cost, minimized surface abrasion, prolonged service life of the damper and greatly saved maintenance cost.
Description
Technical Field
The invention relates to the technical field of high-end equipment vibration reduction, in particular to a universal vibration reducer structure for improving the vibration reduction effect of metal rubber.
Background
With the further promotion of the industrial energy level, the rapid growth of high-end equipment industries such as intelligent manufacturing equipment, aerospace equipment, marine engineering equipment, high-end energy equipment, energy-saving and environment-friendly equipment, high-end medical equipment, microelectronic equipment and the like is promoted. The problems that the working environment or the equipment structure of the high-end equipment is easily damaged under the action of vibration are specifically shown as failure of welding points in equipment components, breakage of leads and structural fatigue, which cause machine failure, and the high-end equipment cannot work normally. Therefore, damping measures are usually taken to prevent the high-end equipment from being damaged under the excitation of external vibration impact, and the design of a damping structure device is a common damping measure at present.
The damping element is used as a core element of the vibration damping structure device, the metal rubber used as one of the damping elements is a homogeneous elastic porous material, and has the characteristics of high damping, high elasticity, long service life and the like, and the conventional metal rubber vibration damper generally has the defects of unsatisfactory vibration damping effect, complex vibration damping constraint, higher processing cost, difficulty in installation and the like, so that the method for improving the vibration damping effect of the metal rubber by adopting a simple and convenient structural design method has great significance.
Disclosure of Invention
In view of the above, the present invention provides a universal shock absorber structure with good shock absorption effect, low processing cost and strong practicability, which improves the metal rubber shock absorption effect, and improves the shock absorption effect through the friction between metal rubber surfaces.
The invention is realized by adopting the following scheme: a universal shock absorber structure for improving the vibration attenuation effect of metal rubber comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which upwards penetrates through the cover plate is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring piece assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; the cylindrical seat is internally provided with a pressing plate fixedly connected to the supporting rod, the upper side and the lower side of the cylindrical seat are respectively provided with a metal rubber component, the metal rubber component is formed by closely arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber component.
Furthermore, the cross section of the metal rubber column is in a regular triangle shape, the side edges of two adjacent metal rubber columns are tightly attached together, the supporting rod is positioned in a regular polygon shape of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of the metal rubber column; the cross section outline of the metal rubber component is polygonal.
Further, the spring piece assembly comprises an arc-shaped spring piece with an inward concave surface, the upper end of the arc-shaped spring piece is connected to the side part of the upper support, and the lower end of the arc-shaped spring piece is connected to the side part of the cylindrical seat.
Furthermore, the upper support and the periphery of the cylindrical seat are respectively provided with a plurality of groups of lug pieces, each group of lug pieces is used for connecting the arc-shaped spring piece, two ends of the arc-shaped spring piece are fixedly connected with connecting sleeves, and the connecting sleeves are connected onto the lug pieces through bolts and nuts.
Furthermore, a partition plate is arranged in the inner cavity of the cylindrical seat, a space is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressing plate is positioned between the pressing plate and the partition plate, and the metal rubber component on the upper side of the pressing plate is positioned between the pressing plate and the cover plate; a through hole for the lower end of the support rod to pass through is arranged in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat.
Furthermore, hold-down mechanism includes a plurality of splint that paste the metal rubber component lateral surface, the screw thread through-hole has been seted up at every splint outside position to the cylindric seat, wear to be equipped with in the screw thread through-hole rather than screw-thread fit's clamp bolt, clamp bolt is being held up the splint lateral surface towards inside one end.
Furthermore, the upper end of the support rod is provided with an external thread part, and the external thread part of the support rod is screwed with a locking nut clamped on the upper side of the upper support.
Compared with the prior art, the invention has the following beneficial effects:
1) compared with the traditional metal rubber shock absorber, the metal rubber has the characteristics that the rigidity is increased but the shock absorption effect is weakened when the stress is larger, the damping capacity of the metal rubber is improved by increasing the friction of the metal rubber, so that the shock absorption effect of the shock absorption device is greatly improved, and the metal rubber shock absorber is high in practicability;
2) the cross section outline of the metal rubber group can be designed into different geometric shapes through a single metal rubber column with an equilateral triangle cross section, so that the metal rubber group has different structural damping characteristics and is designed into a shock absorber with an isotropic section or an anisotropic section;
3) due to the symmetrical distribution of the arc-shaped spring pieces and the metal rubber groups, the shock absorber has certain shock absorption effect in three mutually perpendicular directions;
4) due to the large total contact area between the single metal rubber columns, the abrasion of the surfaces of the metal rubber columns is minimized, the service life of the shock absorber is prolonged, and the maintenance cost is greatly saved.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a metal-rubber component of an embodiment of the present invention having an equilateral triangle cross section;
FIG. 6 is a schematic cross-sectional view of a metal-rubber component having a cross-section with two axes of symmetry according to an embodiment of the present invention;
the reference numbers in the figures illustrate: 1-lower support, 2-metal rubber component, 3-clamping plate, 4-compression bolt, 5-cover plate, 6-upper support, 7-locking nut, 8-support rod, 9-locking bolt, 10-arc spring piece, 11-foundation bolt hole, 12-bolt, 13-nut, 14-cylindrical seat, 15-pressing plate and 16-partition plate.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 6, a universal shock absorber structure for improving the vibration reduction effect of metal rubber comprises a lower support 1, wherein the lower support is provided with foundation bolt holes so as to be connected to a base below through foundation bolts, the upper side of the lower support is fixedly connected with a cylindrical seat 14, the upper end of the cylindrical seat 14 is provided with a cover plate 5, the cover plate is fixedly connected to the upper end of the cylindrical seat through locking bolts, a support rod 8 which upwards penetrates through the cover plate is arranged inside the cylindrical seat 14, the upper end of the support rod 8 is sleeved with an upper support 6, and a plurality of spring leaf assemblies which are uniformly distributed along the circumferential direction are connected between the upper support 6 and the cylindrical seat 14; a pressing plate 15 fixedly connected to the supporting rod is arranged in the cylindrical seat 14, metal rubber components are respectively arranged on the upper side and the lower side of the pressing plate 15, the metal rubber components are formed by tightly arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber components; thereby the metal rubber subassembly improves the damping effect of structural damping through the friction between a plurality of metal rubber cylinder and the face, has with low costs, the practicality is strong characteristics.
The vibration reduction working principle is as follows: when vibration is applied to a system, force is transmitted to a supporting rod of a vibration damping device, the supporting rod drives an upper support to move downwards, a spring piece assembly positioned between the upper support and a lower support absorbs partial vibration energy due to the damping action of the spring piece assembly, meanwhile, a pressing plate of the supporting rod moves to compress a metal rubber set, the surfaces of metal rubber columns rub against each other, the upper movement and the lower movement of the metal rubber assembly are restrained, metal wires sliding inside and on the outer surface of the metal rubber are restrained and increased, gaps among the metal wires between layers are more and more dense, the number of turn contact points inside and on the outer surface of the metal rubber is increased, the metal wires are extruded more and more obviously, for the metal rubber generating damping characteristic through dry friction energy consumption, the structural damping can be increased, the hard characteristic effect is more and more obvious, and the vibration damping effect and the bearing capacity of the metal rubber are improved, and the metal rubber component absorbs the residual vibration energy to stabilize the system.
In this embodiment, the cross section of the metal rubber column is a regular triangle, the side edges of two adjacent metal rubber columns are tightly attached together, the support rod 88 is positioned in a regular polygon of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of the metal rubber column; the cross section outline of the metal rubber component is polygonal, preferably regular polygonal, the cross section of the inner cavity of the cylindrical seat is of a polygonal structure which is one circle larger than the metal rubber component, and the cross section outline of the metal rubber component can be arranged into different geometric shapes by utilizing metal rubber columns, so that the shock absorber has different structural damping characteristics. In the embodiment, the overall cross section of the metal rubber component is a regular hexagon or an equilateral triangle, and in the specific implementation process, the cross section profile of the metal rubber component may not be a regular polygon, but in order to ensure the structural stability, it is necessary to satisfy a symmetrical pattern, preferably, more than 2 symmetry axes, and as shown in fig. 6, the metal rubber component has a hexagonal structure with 2 symmetry axes.
In this embodiment, the spring plate assembly comprises an arc spring plate 10 with an inward concave surface, wherein the upper end of the arc spring plate 10 is connected with the side part of the upper support, and the lower end of the arc spring plate is connected with the side part of the cylindrical support.
In this embodiment, the upper bracket and the cylindrical seat peripheral part are provided with the lug piece that multiunit, every group are a pair of being used for connecting the arc spring leaf respectively, arc spring leaf both ends have linked firmly the adapter sleeve, the adapter sleeve passes through bolt 12 and nut 13 and connects on the lug piece, and the bolt passes lug piece and adapter sleeve.
In the embodiment, the inner cavity of the cylindrical seat is provided with a partition plate 16, a space is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressure plate is positioned between the pressure plate and the partition plate, and the metal rubber component on the upper side of the pressure plate is positioned between the pressure plate and the cover plate, so that the vibration damper is prevented from being damaged during overload; a through hole for the lower end of the support rod to pass through is arranged in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat.
In this embodiment, hold-down mechanism includes a plurality of splint 3 that paste the metal rubber component lateral surface, the screw thread through-hole has been seted up at every splint outside position to the cylindric seat, wear to be equipped with in the screw thread through-hole rather than screw-thread fit's clamp bolt 4, clamp bolt lateral surface is being pushed up to clamp bolt 4 one end inwards, and splint promote it through clamp bolt and play the clamping action to metal rubber group, retrains metal rubber post lateral displacement, and then increase the frictional force between the metal rubber post surface.
In this embodiment, the upper end of the support rod is provided with an external thread part, and a locking nut 7 clamped on the upper side of the upper support is screwed on the external thread part of the support rod.
When the universal shock absorber structure is installed, the distance between the upper support and the lower support is controlled to enable the arc-shaped spring piece to generate certain pretightening force, so that the shock absorber is integrally pretightened. When the vibration damping device works, when vibration is applied to a system, force is transmitted to the supporting rod of the vibration damping device, the supporting rod drives the upper support to move downwards, the arc-shaped spring piece between the upper support and the lower support absorbs partial vibration energy due to the damping action of the arc-shaped spring piece, meanwhile, the pressing plate of the supporting rod compresses the metal rubber group, at the moment, the metal rubber columns rub against each other, the metal wires sliding inside and on the outer surface of a single metal rubber column are restrained and increased due to the restraining action of the cover plate or the partition plate, the gaps among the metal wires between layers are more and more dense, the number of turn contact points inside and on the outer surface of the metal rubber is increased, the metal wires are extruded more and more obviously, for the metal rubber generating the damping characteristic through dry friction energy consumption, the structural damping can be increased, the hard characteristic effect is more and more obvious, and the vibration damping effect and the bearing capacity of the metal rubber are improved, and the metal rubber component absorbs the residual vibration energy to stabilize the system.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using a bolt or screw connection) can also be understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an improve general bumper shock absorber structure of metal rubber damping effect which characterized in that: the spring piece assembly comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which penetrates through the cover plate upwards is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring piece assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; the cylindrical seat is internally provided with a pressing plate fixedly connected to the supporting rod, the upper side and the lower side of the cylindrical seat are respectively provided with a metal rubber component, the metal rubber component is formed by closely arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber component.
2. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 1, wherein: the cross section of each metal rubber column is in a regular triangle shape, the side edges of two adjacent metal rubber columns are tightly attached together, the support rod is positioned in a regular polygon shape of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of each metal rubber column; the cross section outline of the metal rubber component is polygonal.
3. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 1, wherein: the spring piece assembly comprises an arc-shaped spring piece with an inward concave surface, wherein the upper end of the arc-shaped spring piece is connected to the side part of the upper support, and the lower end of the arc-shaped spring piece is connected to the side part of the cylindrical seat.
4. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 3, wherein: the upper support and the cylindrical seat are respectively provided with a plurality of groups of lug plates, each group of lug plates is used for being connected with the arc-shaped spring piece, two ends of the arc-shaped spring piece are fixedly connected with connecting sleeves, and the connecting sleeves are connected onto the lug plates through bolts and nuts.
5. The universal shock absorber structure for improving the metal rubber shock absorption effect according to claim 1, wherein: a partition plate is arranged in the inner cavity of the cylindrical seat, a gap is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressing plate is positioned between the pressing plate and the partition plate, and the metal rubber component on the upper side of the pressing plate is positioned between the pressing plate and the cover plate; a through hole for the lower end of the support rod to pass through is arranged in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat.
6. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 1, wherein: the pressing mechanism comprises a plurality of clamping plates attached to the outer side face of the metal rubber component, a threaded through hole is formed in the outer side position of each clamping plate of the cylindrical seat, a pressing bolt in threaded fit with the threaded through hole penetrates through the threaded through hole, and one inward end of the pressing bolt abuts against the outer side face of each clamping plate.
7. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 1, wherein: the upper end of the supporting rod is provided with an external thread part, and the external thread part of the supporting rod is screwed with a locking nut clamped on the upper side of the upper support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075021.4A CN114458711B (en) | 2022-01-22 | 2022-01-22 | Universal shock absorber structure for improving metal rubber shock absorption effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075021.4A CN114458711B (en) | 2022-01-22 | 2022-01-22 | Universal shock absorber structure for improving metal rubber shock absorption effect |
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| CN114458711A true CN114458711A (en) | 2022-05-10 |
| CN114458711B CN114458711B (en) | 2022-12-30 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201604184U (en) * | 2010-01-28 | 2010-10-13 | 长安大学 | Multi-layer rubber vibration absorber for vibrating screen of mixing machine |
| CN203257971U (en) * | 2012-12-13 | 2013-10-30 | 哈尔滨工程大学 | Three-way metal rubber vibration isolator and array thereof |
| CN105090312A (en) * | 2014-05-06 | 2015-11-25 | 中国人民解放军军械工程学院 | Special metal rubber shock absorber for spacecraft |
| JP2016125541A (en) * | 2014-12-26 | 2016-07-11 | 東洋ゴム工業株式会社 | Air spring |
| CN205423660U (en) * | 2016-03-21 | 2016-08-03 | 山东农业大学 | Two -way vibration damper of metal rubber |
| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| CN112161018A (en) * | 2020-09-22 | 2021-01-01 | 东南大学 | Infrastructure large-bearing multi-direction vibration isolating and reducing device and disaster prevention method thereof |
| CN112324828A (en) * | 2020-11-24 | 2021-02-05 | 北京航空航天大学 | Three-way rigidity damping decoupling high-bearing metal rubber combined vibration isolator |
| CN212726639U (en) * | 2020-09-15 | 2021-03-16 | 湖州恒通机械设备有限公司 | Motor shock absorber for screening machine |
| CN113915444A (en) * | 2021-10-29 | 2022-01-11 | 福州大学 | Metal rubber elastic friction damper for high-temperature pipeline |
-
2022
- 2022-01-22 CN CN202210075021.4A patent/CN114458711B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201604184U (en) * | 2010-01-28 | 2010-10-13 | 长安大学 | Multi-layer rubber vibration absorber for vibrating screen of mixing machine |
| CN203257971U (en) * | 2012-12-13 | 2013-10-30 | 哈尔滨工程大学 | Three-way metal rubber vibration isolator and array thereof |
| CN105090312A (en) * | 2014-05-06 | 2015-11-25 | 中国人民解放军军械工程学院 | Special metal rubber shock absorber for spacecraft |
| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| JP2016125541A (en) * | 2014-12-26 | 2016-07-11 | 東洋ゴム工業株式会社 | Air spring |
| CN205423660U (en) * | 2016-03-21 | 2016-08-03 | 山东农业大学 | Two -way vibration damper of metal rubber |
| CN212726639U (en) * | 2020-09-15 | 2021-03-16 | 湖州恒通机械设备有限公司 | Motor shock absorber for screening machine |
| CN112161018A (en) * | 2020-09-22 | 2021-01-01 | 东南大学 | Infrastructure large-bearing multi-direction vibration isolating and reducing device and disaster prevention method thereof |
| CN112324828A (en) * | 2020-11-24 | 2021-02-05 | 北京航空航天大学 | Three-way rigidity damping decoupling high-bearing metal rubber combined vibration isolator |
| CN113915444A (en) * | 2021-10-29 | 2022-01-11 | 福州大学 | Metal rubber elastic friction damper for high-temperature pipeline |
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