CN105821983A - Multidimensional vibration/shock-absorbing tuned mass damper - Google Patents
Multidimensional vibration/shock-absorbing tuned mass damper Download PDFInfo
- Publication number
- CN105821983A CN105821983A CN201610202634.4A CN201610202634A CN105821983A CN 105821983 A CN105821983 A CN 105821983A CN 201610202634 A CN201610202634 A CN 201610202634A CN 105821983 A CN105821983 A CN 105821983A
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- CN
- China
- Prior art keywords
- shake
- working cylinder
- mass damper
- tuned mass
- vibration reduction
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a multidimensional vibration/shock-absorbing tuned mass damper, which comprises a base and a working cylinder, wherein the working cylinder is fixedly arranged on the base through a viscous-elastic material supporting seat; the working cylinder is of a barrel-shaped structure of which the top is open; an annular container and a mass block are arranged in the working cylinder; the annular container is arranged outside the mass block in a sleeving manner; the annular container is fixedly arranged on the inner side wall of the working cylinder; the mass block is fixedly arranged on a bottom plate of the working cylinder through a spring; high-viscosity liquid exists in the annular container; a top cover is welded at the top of the mass block; the top cover is connected with a connecting rod; the tail end of the connecting rod is provided with a piston with a hole; the connecting rod stretches into the high-viscosity liquid in the annular container; the inner side wall of the annular container is provided with an upper limiting plate and a lower limiting plate. The multidimensional vibration/shock-absorbing tuned mass damper provided by the invention can be not only used for realizing multi-directional vibration/shock absorption, but also a viscous-elastic material which is favorable in energy consumption performance is also combined into the tuned mass damper; the damping coefficient of the tuned mass damper is greatly increased; therefore, the application range of the tuned mass damper is enabled to be wider.
Description
Technical field
The present invention relates to a kind of vibration damping/shake tuned mass damper that can be used for building, machinery and aviation field, particularly relate to a kind of can the tuned mass damper of multidimensional vibration reduction/shake.
Background technology
Along with development, the growth in the living standard of country, the importance structure such as skyscraper, tall and slender structure, large-span structure grows with each passing day.Under dynamic load (such as high wind and earthquake) acts on, these structures can produce bigger vibration, has influence on the normal of structure and uses and safety, how to reduce the wind of structure and shakes or earthquake response is a forward position and important problem.Structural vibration control is a kind of novel antivibration/shake measure, and it is by arranging vibration damping/shake in the structure or vibration isolation/shake device consumes or isolate/the vibration energy that shakes, or the energy outside applying is to offset the external drive effect to structure.Research and development currently for vibration control apparatus focus mostly in passive vibration damping/shake device, and it is relatively easy that these devices have structure, it is not necessary to the advantage of manual intervention, tuned mass damper (TMD) is a widely used passive vibration damping/shake device of class.
Existing tuned mass damper (TMD) is all to shake to single direction/shake to be controlled, but the typically multiple directions of shaking in Practical Project/shake.Such as geological process, the reaction of its horizontal earthquake is simply controlled by common TMD, but earthquake disaster phenomenon shows, in high intensity Zone, earthquake motion vertical component is fairly obvious on the impact of building collapse state and destructiveness；For another example aviation field, if the twisting vibration of aircraft can not control, then aircraft is easy to be in operation lose and stablizes.And these problems, it not the most that the TMD being controlled that only shakes single direction/shake be can solve the problem that.It addition, current TMD does not considers power consumption and damping mostly, relatively low damped coefficient limits the application development of TMD to a certain extent.
Viscoelastic material is a kind of highly effective Energy dissipating material in building structure aseismatic wind resistance, it is under external force, elasticity and two kinds of simultaneous materials of deformation mechanism of viscosity, its Energy Dissipation Mechanism is to utilize the reciprocal detrusion of viscoelastic material, and dissipate/the vibration energy that shakes in the mode of absorbing heat.Due to advantages such as its function admirable, with low cost, simple, the easy constructions of design, oneself becomes most widely used a kind of Energy dissipating material in civil engineering.Therefore, invent a kind of can the necessary and great future in engineering applications of tuned mass damper of multidimensional vibration reduction/shake and combine viscoelastic material.
Summary of the invention
Goal of the invention: the technical problem to be solved is to provide the tuned mass damper of a kind of multidimensional vibration reduction/shake, this tuned mass damper can not only realize multidirectional vibration damping/shake, but also viscoelastic material good for energy-dissipating property is attached in tuned mass damper, the damped coefficient making tuned mass damper is greatly improved, so that the range of application of tuned mass damper is wider.
Summary of the invention: for solving above-mentioned technical problem, the technical solution adopted in the present invention is:
The tuned mass damper of a kind of multidimensional vibration reduction/shake, including base and the working cylinder that is fixed on base by viscoelastic material bearing, described working cylinder is open-topped tubular structure；Toroidal container and mass it is provided with in described working cylinder, described toroidal container is set in outside mass, described toroidal container is fixed on the medial wall of working cylinder, described mass is fixed on the base plate of working cylinder by spring, described toroidal container there is high viscosity liquid, the welded top of described mass has top cover, described top cover connects connecting rod, described connecting rod end connects hole piston, described connecting rod stretches in the high viscosity liquid of toroidal container, and the medial wall of described toroidal container is provided with upper limit plate and lower limiting board.
Wherein, described base being welded with multiple postive stop baffle, the plurality of postive stop baffle is arranged on around described working cylinder.
Wherein, described base being welded with integrated annular stop baffle plate, described annular stop baffle plate is centered around the periphery of described working cylinder.
Wherein, the central axes of described working cylinder, toroidal container and mass.
Wherein, described viscoelastic material bearing is superimposed successively by viscoelastic material layer and steel plate and forms.
Wherein, described viscoelastic material bearing is wrapped with rubber layer, to ensure the durability of viscoelastic material bearing.
Wherein, described connecting rod is provided with sealing rubber ring with the contact position of toroidal container, is used for ensureing the sealing of high viscosity liquid.
Wherein, described mass is solid steel cylinder.
Wherein, described upper limit plate and lower limiting board are rectangular steel plates with holes.
Wherein, described hole piston is the disk with multiple ellipse holes.
Beneficial effect: compared to prior art, the multidimensional vibration reduction of the present invention/shake tuned mass damper can carry out level to, vertical and vibration damping/shake of reversing simultaneously；Additionally, tuned mass damper of the present invention have employed viscoelastic material in the holder, viscoelastic material bearing provides rigidity and damping for whole device, viscoelastic material bearing not only has multidirectional vibration isolation/shake ability, also there is superior energy dissipation capacity, therefore substantially increase the vibration damping/shake effect of device；The tuned mass damper simple in construction of the present invention, easy to make, can be widely used in wind resistance and the antiseismic engineering of the civil engineering structures such as skyscraper, large-span structure, bridge structure, it is possible to expansive approach to machinery, aviation field vibration damping in.
Accompanying drawing explanation
Fig. 1 is the structural representation of multidimensional vibration reduction of the present invention/shake tuned mass damper；
Fig. 2 is the transverse cross-sectional view of multidimensional vibration reduction of the present invention/shake tuned mass damper；
Fig. 3 is the structural representation of hole piston in multidimensional vibration reduction of the present invention/shake tuned mass damper.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, technical scheme is described in detail.
nullAs shown in Figures 1 to 3，Multidimensional vibration reduction of the present invention/shake tuned mass damper，Including base 10 and the working cylinder 1 that is fixed on base 10 by viscoelastic material bearing 2，Working cylinder 1 is open-topped hollow steel cylinder，Working cylinder 1 surrounding arranges multiple postive stop baffle 11，Postive stop baffle 11 is welded on base 10，Prevent working cylinder 1 horizontal displacement excessive，Toroidal container 5 and mass 3 it is provided with in working cylinder 1，Working cylinder 1、Toroidal container 5 and the central axes of mass 3，Toroidal container 5 is set in outside mass 3，Toroidal container 5 is fixed on the medial wall of working cylinder 1，Mass 3 is fixed on the base plate of working cylinder 1 by helical spring 4，Ensure the rigidity of device vertical motion，Can be with the rigidity of adjusting means vertical motion by the specification and quantity changing helical spring 4，Toroidal container 5 has high viscosity liquid 6，Mass 3 is solid steel cylinder，The welded top of mass 3 has circular top cover 12，Top cover 12 is welded to connect bar 8，Connecting rod 8 end welding hole piston 9，Connecting rod 8 stretches in the high viscosity liquid 6 of toroidal container 5，Connecting rod 8 is provided with sealing rubber ring with the contact position of toroidal container 5，It is used for ensureing the sealing of high viscosity liquid 6，Hole piston 9 is the disk with multiple oval holes，Connecting rod 8 can be increased and stir the resistance of high viscosity liquid 6，Ensure the damping of device vertical motion，The damping force needed according to vertical motion，The size of hole on the concentration of high viscosity liquid 6 and hole piston 9 can be adjusted，The medial wall of toroidal container 5 is provided with upper limit plate 13 and lower limiting board 7，Upper limit plate 13 and lower limiting board 7 are rectangular steel plates with holes，Rectangular steel plates with holes is to reserve equidistant circular opening on rectangular sheet，And be welded on toroidal container 5 inwall，On the one hand can mass 3 vertical motion be carried out spacing，Prevent mass 3 vertical displacement excessive，On the other hand it also is able to increase the resistance during motion of high viscosity liquid 6 hoop，The vertical welding position of upper limit plate 13 and lower limiting board 7 determines according to the stroke of mass 3 vertical motion.
Viscoelastic material bearing 2 is superimposed successively by viscoelastic material layer and steel plate and forms (viscoelastic material being pressed into stratiform be superimposed successively with steel plate) again, viscoelastic material bearing 2 is wrapped with rubber layer, rubber layer ensure that the durability of viscoelastic material bearing 2, viscoelastic material bearing 2 is all bolted with working cylinder 1 and base 10, conveniently installs in the future and dismantles；By changing viscoelastic material layer and the thickness of steel plate, rigidity and the damping of viscoelastic material bearing 2 can be regulated, the frequency of tuned mass damper can be adjusted according to the actual natural frequency of vibration of structure in Practical Project, viscoelastic material bearing 2 both provided rigidity to, vertical and torsional direction for whole device in level, damping is provided again, i.e. not only isolated shake/shake transmission but also the/vibration energy that shakes that dissipates in three directions.
Multidimensional vibration reduction of the present invention/shake tuned mass damper can carry out level to vibration damping/shake, vertical vibration damping/shake and torsion damping/shake simultaneously.Level is mainly realized by working cylinder 1 and internal all parts, viscoelastic material bearing 2 and base 10 to vibration damping/shake, when device by level to vibration damping/vibration stimulus time, working cylinder 1 and internal all parts thereof can produce motion rightabout with controlled structure, dissipated (shake) energy that shakes by the detrusion of viscoelastic material simultaneously；Vertical vibration damping/shake is mainly by mass 3, helical spring 4, high viscosity liquid 6, connecting rod 8 and hole piston 9 realize, mass 3, connecting rod 8 and hole piston 9 are by being welded into an entirety, it is connected bottom working cylinder 1 by spring 4 again, when device is by vertical vibration damping/vibration stimulus, mass 3 can produce the motion in opposite direction with vertical motion, drive connecting rod 8 and hole piston about 9 to stir high viscosity liquid 6 simultaneously, hole piston 9 is the disk with four oval holes, hole piston 9 can increase the resistance of connecting rod about 8 agitation high viscosity liquid 6, improve the damping of vertical motion, increase power consumption；Torsion damping/shake is mainly realized by toroidal container 5, high viscosity liquid 6 and rectangular steel plates with holes 7 and 13, three forms a hoop Tuned Liquid, when device by torsion shake/vibration stimulus time, by the torsional vibration energy rocking consumption s tructure of high viscosity liquid 6, rectangular steel plates 7 and 13 with holes is the rectangular sheet leaving equidistant circular opening, it is possible to makes a fluid stream of high viscosity liquid 6 attenuate, increases its flow resistance, i.e. increase its flow damping, thus reduce torsion and shake/shake.Simultaneously, viscoelastic material bearing 2 all has good vibration isolation/shake ability in level to, vertical and torsional direction, the rubber in tradition laminated rubber bases is replaced with the viscoelastic material that energy-dissipating property is good, three directions dissipate shake/ability of vibration energy is also greatly improved, for tuned mass damper, in three directions, preferably vibration damping/shake provides guarantee.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And these spirit belonging to the present invention are extended out obvious change or variation still in protection scope of the present invention among.
Claims (10)
1. the tuned mass damper of multidimensional vibration reduction/shake, it is characterised in that: including base and the working cylinder being fixed on base by viscoelastic material bearing, described working cylinder is open-topped tubular structure；Toroidal container and mass it is provided with in described working cylinder, described toroidal container is set in outside mass, described toroidal container is fixed on the medial wall of working cylinder, described mass is fixed on the base plate of working cylinder by spring, described toroidal container there is high viscosity liquid, the welded top of described mass has top cover, described top cover connects connecting rod, described connecting rod end connects hole piston, described connecting rod stretches in the high viscosity liquid of toroidal container, and the medial wall of described toroidal container is provided with upper limit plate and lower limiting board.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: being welded with multiple postive stop baffle on described base, the plurality of postive stop baffle is arranged on around described working cylinder.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: being welded with integrated annular stop baffle plate on described base, described annular stop baffle plate is centered around the periphery of described working cylinder.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: the central axes of described working cylinder, toroidal container and mass.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: described viscoelastic material bearing is superimposed successively by viscoelastic material layer and steel plate and forms.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 5, it is characterised in that: described viscoelastic material bearing is wrapped with rubber layer.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: described connecting rod is provided with sealing rubber ring with the contact position of toroidal container.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: described mass is solid steel cylinder.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: described upper limit plate and lower limiting board are rectangular steel plates with holes.
The tuned mass damper of multidimensional vibration reduction/shake the most according to claim 1, it is characterised in that: described hole piston is the disk with multiple ellipse holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202634.4A CN105821983B (en) | 2016-04-01 | 2016-04-01 | A kind of tuned mass damper of multidimensional vibration reduction/shake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202634.4A CN105821983B (en) | 2016-04-01 | 2016-04-01 | A kind of tuned mass damper of multidimensional vibration reduction/shake |
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| CN105821983A true CN105821983A (en) | 2016-08-03 |
| CN105821983B CN105821983B (en) | 2017-12-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988429A (en) * | 2017-04-10 | 2017-07-28 | 武汉理工大学 | A kind of multiple multidimensional earthquake damping and isolating mechanism |
| CN108468742A (en) * | 2018-06-26 | 2018-08-31 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Damp type with tunable quality, which subtracts, shakes water tank |
| CN109245408A (en) * | 2018-10-19 | 2019-01-18 | 濮阳市华南重工科技有限公司 | A kind of motor Vibration damping balance support |
| CN109763580A (en) * | 2018-12-29 | 2019-05-17 | 东南大学 | A kind of viscoplasticity-TMD compound vitamin damping device and its shock-dampening method |
| CN109898666A (en) * | 2019-04-26 | 2019-06-18 | 郑州航空工业管理学院 | A kind of damping steel structural upright column |
| CN111834969A (en) * | 2020-07-22 | 2020-10-27 | 重庆科技学院 | Floating shock absorber with rigidity |
| CN115419185A (en) * | 2022-09-23 | 2022-12-02 | 北京固力同创工程科技有限公司 | Real-time monitoring intelligent seismic mitigation and isolation system and control method |
| CN116988936A (en) * | 2023-08-14 | 2023-11-03 | 兰州理工大学 | Rotary multidirectional tuning corrugated liquid column damper for tower and mounting method of rotary multidirectional tuning corrugated liquid column damper |
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| JP2001039778A (en) * | 1999-07-27 | 2001-02-13 | Taiheiyo Cement Corp | Concrete flat plate and its production |
| CN101457553A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Spring stiffness adjustable tuning quality damper |
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988429A (en) * | 2017-04-10 | 2017-07-28 | 武汉理工大学 | A kind of multiple multidimensional earthquake damping and isolating mechanism |
| CN108468742A (en) * | 2018-06-26 | 2018-08-31 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Damp type with tunable quality, which subtracts, shakes water tank |
| CN109245408A (en) * | 2018-10-19 | 2019-01-18 | 濮阳市华南重工科技有限公司 | A kind of motor Vibration damping balance support |
| CN109763580A (en) * | 2018-12-29 | 2019-05-17 | 东南大学 | A kind of viscoplasticity-TMD compound vitamin damping device and its shock-dampening method |
| CN109898666A (en) * | 2019-04-26 | 2019-06-18 | 郑州航空工业管理学院 | A kind of damping steel structural upright column |
| CN111834969A (en) * | 2020-07-22 | 2020-10-27 | 重庆科技学院 | Floating shock absorber with rigidity |
| CN111834969B (en) * | 2020-07-22 | 2021-07-13 | 重庆科技学院 | Floating shock absorber with rigidity |
| CN115419185A (en) * | 2022-09-23 | 2022-12-02 | 北京固力同创工程科技有限公司 | Real-time monitoring intelligent seismic mitigation and isolation system and control method |
| CN115419185B (en) * | 2022-09-23 | 2024-02-02 | 北京固力同创工程科技有限公司 | Real-time monitoring intelligent seismic reduction and isolation system and control method |
| CN116988936A (en) * | 2023-08-14 | 2023-11-03 | 兰州理工大学 | Rotary multidirectional tuning corrugated liquid column damper for tower and mounting method of rotary multidirectional tuning corrugated liquid column damper |
| CN116988936B (en) * | 2023-08-14 | 2024-05-31 | 兰州理工大学 | Rotary multidirectional tuning corrugated liquid column damper for tower and mounting method of rotary multidirectional tuning corrugated liquid column damper |
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