CN113090702A - Composite damping vibration damper - Google Patents
Composite damping vibration damper Download PDFInfo
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- CN113090702A CN113090702A CN202110271289.0A CN202110271289A CN113090702A CN 113090702 A CN113090702 A CN 113090702A CN 202110271289 A CN202110271289 A CN 202110271289A CN 113090702 A CN113090702 A CN 113090702A
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
- F16F15/035—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means by use of eddy or induced-current damping
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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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
- F16F2222/06—Magnetic or electromagnetic
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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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0258—Shape-memory metals, e.g. Ni-Ti alloys
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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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0283—Materials; Material properties solids piezoelectric; electro- or magnetostrictive
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/046—Fluids pneumatic
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Abstract
The invention discloses a composite damping vibration attenuation device which comprises a hollow octagonal prism-shaped rubber shell which is transversely placed, wherein the rubber shell comprises a top plate, a left oblique upper plate, a left vertical plate, a left oblique lower plate, a bottom plate, a right oblique lower plate, a right vertical plate and a right oblique upper plate, and the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, the right vertical plate and the right oblique upper plate are sequentially hinged and connected; compared with the prior art, according to the technical scheme, the vertical vibration damping assemblies, the air springs and the transverse vibration damping assemblies are arranged in the rubber shell, so that the vertical vibration damping assemblies, the air springs and the transverse vibration damping assemblies can absorb and convert energy in vertical and transverse dimensions at the same time, the influence of various factors on a main body structure is reduced to the greatest extent, and the vibration resistance of the cylinder structure is improved.
Description
Technical Field
The invention relates to the technical field of vibration reduction and isolation, in particular to a composite damping vibration attenuation device.
Background
The various frictional and other damping effects that damp free vibrations are often referred to as damping. While "special" elements placed on the structural system can provide resistance to movement, a device that dissipates the energy of the movement, we refer to as a damper. In the industries of aerospace, aviation, war industry, guns, automobiles and the like, various dampers are applied to reduce vibration and dissipate energy. Since the seventies of the twentieth century, people gradually transferred the technologies to structural engineering such as buildings, bridges, railways and the like, and the development of the technologies is very rapid.
The vibration damping control for structural engineering is a new field of vibration damping for engineering, including vibration isolation, energy dissipation and vibration damping, various passive controls, active control, mixed control, etc. By adjusting the way of changing the dynamic parameters of the structure, the vibration reaction of the structure is obviously attenuated, and the safety of the internal facilities of the structure in strong earthquakes is effectively protected. The vibration damping control is more and more widely applied to the fields of vibration resistance, wind resistance, vibration damping, noise reduction and the like of engineering structures, and obvious social benefits, technical progress benefits and economic benefits are obtained, so that great attention is paid to the academic and engineering communities at home and abroad, and a brand-new way is provided for the vibration damping of the engineering structures. With the development of modern society, the requirements of people on vibration resistance, vibration reduction and wind resistance are increasingly improved, and the vibration reduction control technology of structural engineering is more and more widely applied.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a composite damping vibration attenuation device. The vertical vibration damping assembly, the air spring and the transverse vibration damping assembly are arranged in the hollow octagonal-prism-shaped rubber shell, so that the energy of two vertical and transverse dimensions can be absorbed and converted at the same time, the influence of various factors on the main body structure is reduced to the greatest extent, and the vibration resistance of the cylinder structure is improved.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme.
A composite damping vibration attenuation device comprises a hollow octagonal prism-shaped rubber shell which is transversely placed, wherein the rubber shell comprises a top plate, a left oblique upper plate, a left vertical plate, a left oblique lower plate, a bottom plate, a right oblique lower plate, a right vertical plate and a right oblique upper plate, and the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, the right vertical plate and the right oblique upper plate are sequentially hinged and connected;
vertical vibration damping assemblies, air springs and vertical vibration damping assemblies are sequentially arranged between a bottom plate and a top plate in a rubber shell from top to bottom, each vertical vibration damping assembly comprises a rectangular metal shell, the bottom of each air spring is connected to the upper surface of the top of the rectangular metal shell below, and the top of each air spring is connected to the lower surface of the bottom of the rectangular metal shell above;
and transverse vibration reduction assemblies are respectively arranged between the air spring and the left vertical plate and the right vertical plate in the rubber shell.
As preferred, every cuboid metal casing' S top cap is piezoceramics board, and every cuboid metal casing intussuseption is filled with magnetorheological suspensions, and the lower surface of every piezoceramics board is vertical to be provided with ball screw, and the cover is equipped with the resistance stick on the ball screw, winds on the resistance stick and is equipped with the coil, and the vertical U type magnet that is provided with in the left and right sides of resistance stick, the opening of U type magnet up, and the N utmost point of U type magnet is in the left side of resistance stick, and the S utmost point of U type magnet is on the right side of resistance stick.
Preferably, the left side and the right side of the air spring are respectively provided with two hinged supports which are distributed up and down, and the inner walls of the left vertical plate and the right vertical plate in the rubber shell are respectively provided with a hinged support;
each transverse vibration damping assembly comprises two vibration damping inner core arms, one ends of the two vibration damping inner core arms on the same side are respectively hinged to the two hinged supports on the air springs on the same side through pin shafts, the other ends of the two vibration damping inner core arms on the left side are hinged to the hinged support on the left vertical plate of the rubber shell on the left side through pin shafts, and the other ends of the two vibration damping inner core arms on the right side are hinged to the hinged support on the right vertical plate of the rubber shell on the right side through pin shafts;
every damping inner core arm goes up the cover and is equipped with the urceolus, is provided with filler between the inside wall of every urceolus and the lateral wall of damping inner core arm and holds the chamber, and filler holds the both ends in chamber and is provided with the spring and holds the chamber, and every spring holds the intracavity and is provided with the shape memory that closes the spring parallel with damping inner core arm, and two springs hold the filler between the chamber and hold the intracavity and fill and have filler.
Preferably, the lower end of each resistance rod is connected with a plurality of wires, and the free end of each wire is connected with a particle damper.
Preferably, each particle damper is provided with a through hole.
Preferably, the gas filled in the air spring may be helium, neon, argon or krypton.
Preferably, the filler material may be silica gel.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the rubber shell is subjected to vertical or transverse vibration, the rubber shell can resist the external vibration through the rotation among the top plate, the left inclined upper plate, the left vertical plate, the left inclined lower plate, the bottom plate, the right inclined lower plate, the right vertical plate and the right inclined upper plate; vertical damping subassembly, air spring, the vertical damping subassembly that down set gradually from last between bottom plate in the rubber casing and the roof to and the horizontal damping subassembly that sets up respectively between the vertical board in the left side in air spring and the rubber casing, the right vertical board, can absorb the conversion to the energy of vertical and horizontal two dimensions simultaneously, thereby reduce the influence that various factors brought to major structure to the at utmost, improve major structure's vibration resistance.
(2) By applying the electromagnetic induction principle and through the arranged U-shaped magnet and the coil, the coil performs cutting magnetic induction line motion when vibrated, and the generated electric energy is absorbed by the resistance rod, so that the vibration isolation device has a good vibration isolation effect in practical application.
(3) The buckling-restrained supporting structure formed by the vibration-reduction inner core arm and the outer cylinder is applied, the load borne by the vibration-reduction inner core arm is borne by the vibration-reduction inner core arm, and the outer cylinder and the filling material restrain the vibration-reduction inner core arm from buckling under pressure, so that the hysteresis capacity of the transverse vibration-reduction assembly is greatly improved, and the vibration resistance is improved.
(4) The vibration in a single direction is converted into rotation through the ball screw, the movement form of an object is changed, the coil cuts the magnetic induction lines in a large range, the collision probability of the particle damper is greatly increased, and the damping efficiency is greatly improved.
(5) The upper end and the lower end of the air spring are connected with the vertical vibration reduction assemblies, so that the air spring is extruded when vertical vibration is applied, the buckling-restrained supporting structure formed by the vibration reduction inner core arms and the outer cylinder on the two sides is pressed, and part of vertical vibration is converted into transverse motion; because the hinged support connected with the air spring is obliquely arranged, the hinged support can be decomposed into a vertical direction and a transverse direction when being subjected to transverse vibration. The vibration of any direction in two kinds of directions all can turn into the vibration of another direction, no matter receive vertical or vertical vibration, vertical damping subassembly and horizontal damping subassembly all can play the damping effect simultaneously.
(6) The mode that multiple attenuator combined together is used, and the combined action has improved the damping capacity, lays the basis for the stability of major structure.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a vibration dampening inner core arm of the present invention;
in the figure: 1. a rubber housing; 2. an air spring; 3. a rectangular metal housing; 4. a piezoelectric ceramic plate; 5. a ball screw; 6. a resistance rod; 7. a coil; 8. a U-shaped magnet; 9. a hinged support; 10. a vibration-damping inner core arm; 11. a shape memory alloy spring; 12. a wire; 13. a particle damper; 14. an outer cylinder; 15. and (4) filling materials.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 2, a composite damping vibration damping device includes a hollow octagonal prism-shaped rubber housing 1 disposed horizontally, where the rubber housing 1 includes a top plate, a left oblique upper plate, a left vertical plate, a left oblique lower plate, a bottom plate, a right oblique lower plate, a right vertical plate, and a right oblique upper plate, and the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, and the right vertical plate are hinged to the right oblique upper plate in sequence;
a vertical vibration damping assembly, an air spring 2 and a vertical vibration damping assembly are sequentially arranged between a bottom plate and a top plate in the rubber shell 1 from top to bottom, each vertical vibration damping assembly comprises a cuboid metal shell 3, the bottom of the air spring 2 is connected to the upper surface of the top of the cuboid metal shell 3 below, and the top of the air spring 2 is connected to the lower surface of the bottom of the cuboid metal shell 3 above;
and transverse vibration reduction assemblies are respectively arranged between the air spring 2 and the left vertical plate and the right vertical plate in the rubber shell 1.
In the above embodiment, the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, the right vertical plate and the right oblique upper plate of the rubber housing 1 are sequentially hinged to each other, and when vertical or transverse vibration is applied to the rubber housing, the rubber housing can resist external vibration by rotating among the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, the right vertical plate and the right oblique upper plate; vertical damping subassembly, air spring 2 and the vertical damping subassembly that down set gradually from last between the bottom plate in the rubber casing 1 and the roof to and the horizontal damping subassembly that sets up respectively between the vertical board in the left side in air spring 2 and the rubber casing 1, the vertical board in the right side. The energy of vertical and horizontal two dimension can be absorbed and converted simultaneously to reduce the influence that various factors brought to the major structure to the at utmost, improve the anti vibration ability of major structure.
Preferably, every cuboid metal casing 3 ' S top cap is piezoceramics board 4, every cuboid metal casing 3 intussuseption is filled with magnetorheological suspensions, every piezoceramics board 4 ' S lower surface is provided with ball screw 5, the cover is equipped with resistance rod 6 on the ball screw 5, around being equipped with coil 7 on the resistance rod 6, the vertical U type magnet 8 that is provided with in the left and right sides of resistance rod 6, U type magnet 8 ' S opening is up, U type magnet ' S the N utmost point is in the left side of resistance rod 6, U type magnet ' S the S utmost point is in the right side of resistance rod 6.
In the above embodiment, when vertical vibration is applied, the vertical vibration damping assembly functions, the piezoelectric ceramic plate 4 is applied with external force from the outside, the piezoelectric ceramic plate 4 generates current, the current is absorbed by the resistance rod 6 sleeved on the ball screw 5, meanwhile, the ball screw 5 is applied with external force of the piezoelectric ceramic plate 4, because the ball screw 5 is vertically arranged on the lower surface of each piezoelectric ceramic plate 4, the ball screw 5 converts the received vibration into rotation to promote the resistance rod 6 sleeved on the ball screw 5 to rotate, because the U-shaped magnets 8 are arranged on the left and right sides of the resistance rod 6, the coil 7 sleeved on the resistance rod 6 makes cutting magnetic induction line movement in the rotation process to generate induction current, and the induction current is absorbed by the resistance rod in the form of electric energy, meanwhile, because each cuboid metal shell 3 is filled with magnetorheological fluid, and the magnetorheological fluid is applied with magnetic field, and the air springs 2 are arranged in a chain shape to generate a damping effect and are extruded.
Preferably, the left side and the right side of the air spring 2 are respectively provided with two hinged supports 9 which are distributed up and down, and the inner walls of a left vertical plate and a right vertical plate in the rubber shell 1 are respectively provided with the hinged supports 9;
each transverse vibration damping assembly comprises two vibration damping inner core arms 10, one ends of the two vibration damping inner core arms 10 on the same side are respectively hinged to two hinged supports 9 on the air springs 2 on the same side through pin shafts, the other ends of the two vibration damping inner core arms 10 on the left side are hinged to the hinged support 9 on the left vertical plate of the rubber shell 1 on the left side through pin shafts, and the other ends of the two vibration damping inner core arms 10 on the right side are hinged to the hinged support 9 on the right vertical plate of the rubber shell 1 on the right side through pin shafts;
every be equipped with urceolus 14 on the damping inner core arm 10 the cover, every be provided with filler material between the inside wall of urceolus 14 with the lateral wall of damping inner core arm 10 and hold the chamber, filler material holds the both ends in chamber and is provided with spring and holds the chamber, every the spring hold the intracavity be provided with the shape memory that damping inner core arm 10 is parallel closes spring 11, two filler material that the spring held between the chamber holds the intracavity and is filled there is filler material 15.
In the above embodiment, when vertical vibration is applied, the magnetorheological fluid in the rectangular metal housing 3 is in a chain arrangement under the action of the magnetic field, so as to generate a damping effect, and the air spring 2 is squeezed, so that the transverse vibration reduction assemblies on the two sides of the rubber housing act, and part of vertical vibration is converted into transverse motion.
When the transverse vibration is received, the transverse vibration attenuation component plays a role, the vibration attenuation inner core arm 10 and the outer cylinder 14 jointly form a buckling-restrained supporting structure, when the transverse vibration reaches a certain degree, the vibration attenuation inner core arm 10 yields, the vibration energy is consumed through the hysteresis effect, and the outer cylinder 14 provides lateral restraint for the vibration attenuation inner core arm 10 to prevent the vibration attenuation inner core arm 10 from yielding under pressure. The filling material accommodating chamber between the two spring accommodating chambers is filled with a filling material 15. The filler material 15 cooperates with the outer barrel 14 to constrain the damping inner core arm 10 and further prevent the damping inner core arm 10 from yielding under pressure. The shape memory alloy spring 11 can generate a damping effect by deforming under the compression action, and the damping effect is combined with a buckling-restrained supporting structure formed by the vibration-reduction inner core arm 10 and the outer cylinder 14 to increase the vibration resistance; the oblique placement of the vibration-damping inner core arm 10 decomposes the vibration orthogonality, so that the vertical vibration-damping assembly functions simultaneously. In addition, the air spring 2 can also counteract vertical and lateral vibrations, in conjunction with a lateral damping arrangement.
Preferably, the lower end of each resistance rod 6 is connected with a plurality of wires 12, and the free end of each wire 12 is connected with a particle damper 13.
In the above embodiment, since the particle dampers 13 are connected to the resistive rods through the wires 9, the particle dampers 13 collide with each other when the resistive rods 6 rotate, thereby producing a damping effect.
Preferably, each particle damper 13 is provided with a through hole.
In the above embodiment, since each particle damper 13 is provided with a through hole, when the resistance rod 6 drives the particle damper 13 to rotate, the magnetorheological fluid filled in the rectangular metal housing 13 passes through the through hole on the particle damper 13, so as to increase the damping effect of the particle damper 13.
Preferably, the gas filled in the air spring 2 may be helium, neon, argon or krypton.
In the above embodiment, the gas filled in the air spring 2 can be selected according to actual conditions. Helium, neon, argon or krypton belong to inert gases, have high stability, are also non-flammable and non-explosive gases, and have good safety in the use process.
Preferably, the filling material 15 may be silica gel.
In the above embodiments, the filling material 15 may be silica gel, which has good thermal stability, stable chemical properties, high mechanical strength, and the like.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The composite damping vibration attenuation device is characterized by comprising a hollow octagonal prism-shaped rubber shell (1) which is transversely placed, wherein the rubber shell (1) comprises a top plate, a left oblique upper plate, a left vertical plate, a left oblique lower plate, a bottom plate, a right oblique lower plate, a right vertical plate and a right oblique upper plate, and the top plate, the left oblique upper plate, the left vertical plate, the left oblique lower plate, the bottom plate, the right oblique lower plate, the right vertical plate and the right oblique upper plate are sequentially hinged and connected;
a vertical vibration damping assembly, an air spring (2) and a vertical vibration damping assembly are sequentially arranged between a bottom plate and a top plate in the rubber shell (1) from top to bottom, each vertical vibration damping assembly comprises a cuboid metal shell (3), the bottom of the air spring (2) is connected to the upper surface of the top of the cuboid metal shell (3) below, and the top of the air spring (2) is connected to the lower surface of the bottom of the cuboid metal shell (3) above;
and transverse vibration reduction assemblies are respectively arranged between the air spring (2) and the left vertical plate and the right vertical plate in the rubber shell (1).
2. The composite damping vibration attenuation device according to claim 1, characterized in that each top cover of the cuboid metal shell (3) is a piezoelectric ceramic plate (4), each top cover of the cuboid metal shell (3) is filled with magnetorheological fluid, each bottom surface of the piezoelectric ceramic plate (4) is vertically provided with a ball screw (5), the ball screw (5) is sleeved with a resistance rod (6), the resistance rod (6) is wound with a coil (7), U-shaped magnets (8) are vertically arranged on the left side and the right side of the resistance rod (6), an opening of each U-shaped magnet (8) faces upwards, an N pole of each U-shaped magnet is arranged on the left side of the resistance rod (6), and an S pole of each U-shaped magnet is arranged on the right side of the resistance rod (6).
3. The composite damping vibration damper according to claim 1, characterized in that two hinged supports (9) distributed up and down are respectively arranged on the left side and the right side of the air spring (2), and the hinged supports (9) are respectively arranged on the inner wall of a left vertical plate and the inner wall of a right vertical plate in the rubber shell (1);
each transverse vibration damping assembly comprises two vibration damping inner core arms (10), one ends of the two vibration damping inner core arms (10) on the same side are respectively hinged to two hinged supports (9) on the air spring (2) on the same side through pin shafts, the other ends of the two vibration damping inner core arms (10) on the left side are hinged to the hinged support (9) on the left vertical plate of the rubber shell (1) on the left side through pin shafts, and the other ends of the two vibration damping inner core arms (10) on the right side are hinged to the hinged support (9) on the right vertical plate of the rubber shell (1) on the right side through pin shafts;
every be equipped with urceolus (14) on damping inner core arm (10), every the inside wall of urceolus (14) with be provided with the filler material between the lateral wall of damping inner core arm (10) and hold the chamber, the both ends that the filler material held the chamber are provided with the spring and hold the chamber, every the spring hold the intracavity be provided with shape memory that damping inner core arm (10) is parallel closes spring (11), two the filler material that the spring held between the chamber holds the intracavity and is filled there is filler material (15).
4. A composite damped vibration damping device according to claim 2, characterized in that a plurality of wires (12) are connected to the lower end of each of said resistive rods (6), and a particle damper (13) is connected to the free end of each of said wires (12).
5. The composite damped vibration damping device according to claim 4, characterized in that each of said particle dampers (13) is provided with a through hole.
6. The composite damping vibration damping device according to claim 1, characterized in that the gas filled in the air spring (2) can be helium, neon, argon or krypton.
7. A composite damped vibration damping device according to claim 3, characterized in that said filler material (15) can be silicone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271289.0A CN113090702B (en) | 2021-03-12 | 2021-03-12 | Composite damping vibration attenuation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271289.0A CN113090702B (en) | 2021-03-12 | 2021-03-12 | Composite damping vibration attenuation device |
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| CN113090702A true CN113090702A (en) | 2021-07-09 |
| CN113090702B CN113090702B (en) | 2023-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434354A (en) * | 2022-03-18 | 2022-12-06 | 水利部交通运输部国家能源局南京水利科学研究院 | In-barrel vibration damping and anti-overturning device for offshore wind power barrel type foundation |
Citations (6)
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| CN115434354B (en) * | 2022-03-18 | 2023-04-07 | 水利部交通运输部国家能源局南京水利科学研究院 | In-barrel vibration damping and anti-overturning device for offshore wind power barrel type foundation |
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| CN113090702B (en) | 2023-06-23 |
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