CN113846668B - Semi-active control energy dissipation and vibration reduction device - Google Patents

Semi-active control energy dissipation and vibration reduction device Download PDF

Info

Publication number
CN113846668B
CN113846668B CN202111025576.XA CN202111025576A CN113846668B CN 113846668 B CN113846668 B CN 113846668B CN 202111025576 A CN202111025576 A CN 202111025576A CN 113846668 B CN113846668 B CN 113846668B
Authority
CN
China
Prior art keywords
tmd
nes
piezoelectric ceramic
mass block
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111025576.XA
Other languages
Chinese (zh)
Other versions
CN113846668A (en
Inventor
傅博
彭瑞岩
陈瑾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
Original Assignee
Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN202111025576.XA priority Critical patent/CN113846668B/en
Publication of CN113846668A publication Critical patent/CN113846668A/en
Application granted granted Critical
Publication of CN113846668B publication Critical patent/CN113846668B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/10Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1005Vibration-dampers; Shock-absorbers using inertia effect characterised by active control of the mass
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/04Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0215Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0235Anti-seismic devices with hydraulic or pneumatic damping
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0237Structural braces with damping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/02Materials; Material properties solids
    • F16F2224/0283Materials; Material properties solids piezoelectric; electro- or magnetostrictive
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a semi-active control energy dissipation and vibration reduction device, which comprises a cover-free box body; a TMD damping mechanism is arranged on the bottom plate of the uncovered box body and comprises a TMD mass block; an NES damping mechanism is arranged on the TMD mass block; the piezoelectric ceramic also comprises a first piezoelectric ceramic, a second piezoelectric ceramic, a third piezoelectric ceramic and a fourth piezoelectric ceramic; springs are respectively horizontally arranged between the first piezoelectric ceramic and the second piezoelectric ceramic and between the third piezoelectric ceramic and the fourth piezoelectric ceramic; the system also comprises an industrial personal computer, a storage battery and an actuator; the industrial personal computer is electrically connected with the actuator; the storage battery is respectively and electrically connected with the four piezoelectric ceramics and the industrial personal computer; the actuator is established on the vertical baffle right side that TMD quality piece upper surface set up, and the output shaft top of actuator passes through universal hinge with NES damping mechanism's NES box and is connected. The invention has wider vibration reduction frequency band, higher robustness and more energy consumption mechanisms, realizes semi-active control and greatly improves vibration reduction efficiency.

Description

Semi-active control energy dissipation and vibration reduction device
Technical Field
The invention belongs to the field of urban rail transit vibration reduction, and particularly relates to a semi-active control energy consumption vibration reduction device.
Background
With the development of cities, subways become important tools for people to go out, however, trains running at high speed tend to generate vibration influence on subway platforms.
In order to reduce the influence, the tuned mass damper is applied to the field of urban rail transit vibration reduction with the advantages of simple self-composition and the like. However, the conventional Tuned Mass Damper (TMD) has a narrow damping band, a poor damping performance, and is not suitable for severe environments. Therefore, a Non-linear Energy Sink (NES) with a larger vibration reduction frequency band is proposed to be applied to the field of urban rail transit vibration reduction, however, when the vibration amplitude exceeds a certain critical value, the vibration frequency of the NES is greatly different from that of the main body structure, so that the effective transmission of vibration Energy to the NES is influenced. Therefore, a novel damping device is urgently needed to meet the damping requirement of the subway platform.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a semi-active control energy consumption vibration damping device, which enlarges the vibration damping frequency band of the traditional tuned mass damper, effectively exerts the vibration damping efficiency of NES and greatly improves the vibration damping effect.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme.
A semi-active control energy dissipation and vibration reduction device comprises a uncovered box body, wherein the uncovered box body comprises a bottom plate and side plates;
the bottom plate is provided with a TMD vibration reduction mechanism which is used for generating damping force to consume vibration energy; the TMD damping mechanism comprises a TMD mass block;
an NES vibration reduction mechanism is arranged on the TMD mass block and is used for generating damping force and consuming vibration energy;
the TMD mass block is characterized by further comprising first piezoelectric ceramics arranged on the inner surface of the left side plate, second piezoelectric ceramics arranged on the left surface of the TMD mass block, third piezoelectric ceramics arranged on the right surface of the TMD mass block and fourth piezoelectric ceramics arranged on the inner surface of the right side plate;
springs are respectively horizontally arranged between the first piezoelectric ceramic and the second piezoelectric ceramic and between the third piezoelectric ceramic and the fourth piezoelectric ceramic;
the system also comprises an industrial personal computer, a storage battery and an actuator;
the industrial personal computer is electrically connected with the actuator;
the storage battery is respectively and electrically connected with the four piezoelectric ceramics and the industrial personal computer;
the actuator is arranged on the right side of a vertical baffle arranged on the upper surface of the TMD mass block, and the top end of an output shaft of the actuator is connected with an NES box body of the NES vibration reduction mechanism through a universal hinge.
Further, the TMD damping mechanism further comprises two TMD dampers;
the bottom surface of the TMD mass block is provided with a plurality of first rollers which roll left and right; the TMD mass block is placed on the bottom plate;
one TMD damping is horizontally arranged between the left side plate and the left side of the TMD mass block, and two ends of the TMD damping are respectively connected with the left side plate and the left side of the TMD mass block; the other TMD damping is horizontally arranged between the right side plate and the right side plate of the TMD mass block, and two ends of the other TMD damping are respectively connected with the right side plate and the right side plate of the TMD mass block;
the TMD damping dissipates vibrational energy as it is transferred into the TMD damping mechanism.
Furthermore, the TMD mass block is hollow, and the interior of the TMD mass block is filled with viscous liquid; when vibration energy is transmitted to the TMD mass block, the viscous liquid shakes to consume the vibration energy.
Furthermore, the surface layer of the TMD mass block is a metamaterial layer, the metamaterial layer is of a hexagonal honeycomb structure, a plurality of first through holes are formed in the surface, facing the inside of the TMD mass block, of the metamaterial layer, and a plurality of metal particles with the diameter larger than that of the first through holes are placed in each hexagonal cavity of the metamaterial layer; when the vibration energy is transmitted to the TMD mass block, the viscous liquid flows into or out of the first through hole, and the vibration energy is consumed; the viscous liquid collides with the metal particles to dissipate the vibration energy.
Furthermore, the metamaterial layer has elasticity and can dissipate vibration energy.
Furthermore, the NES vibration reduction mechanism comprises an NES box body, wherein a plurality of second rollers are arranged on the bottom surface of the NES box body, and the second rollers roll left and right; a vertical slide rail is arranged inside the NES box body;
the upper end of the vertical slide rail is connected with the inner surface of the upper side of the NES box body, and the lower end of the vertical slide rail is connected with the inner surface of the lower side of the NES box body;
the vertical slide rail is provided with a slide block, and the slide block slides up and down along the vertical slide rail;
the NES box body is characterized by further comprising an NES mass block, and NES damping is arranged between the NES mass block and the side plate on the right side of the NES box body; an NES nonlinear spring is arranged between the NES mass block and the sliding block.
When vibration energy is transmitted to the NES vibration reduction mechanism, the sliding block slides up and down along the vertical sliding rail, and the vibration energy is consumed through friction; NES damping dissipates vibrational energy.
Furthermore, the industrial personal computer comprises a sensor module and an actuator control module; the sensor module is used for sensing the vibration energy; the actuator control module is used for controlling the actuator to run or stop; when the vibration energy sensed by the sensor module exceeds a set threshold value, the actuator control module controls the actuator to apply static and dynamic loads to the NES vibration reduction mechanism, semi-active control is achieved, and vibration energy is consumed.
Compared with the prior art, the invention has the following beneficial effects: the tuned mass damper has the advantages of having a wider vibration reduction frequency band, having higher robustness and more energy consumption mechanisms, realizing semi-active control, making up the defect of one-way vibration reduction of the traditional tuned mass damper, and greatly improving vibration reduction efficiency.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a schematic structural diagram of an embodiment of a semi-active control dissipative vibration damping device according to the invention;
fig. 2 is a schematic structural diagram of an NES damping mechanism of an embodiment of the semi-active control dissipative damping device of the invention;
in the above figures: 1 a cover-free box body; 2TMD damping mechanism; 201TMD mass block; 202TMD damping; 203 a first roller; 204 a metamaterial layer; 3NES damping mechanism; 301NES box; 302 vertical slide rails; 303 a slide block; a 304NES nonlinear spring; 305NES mass block; 306NES damping; 307 a second roller; 4 a first piezoelectric ceramic; 5 a second piezoelectric ceramic; 6 a third piezoelectric ceramic; 7 a fourth piezoelectric ceramic; 8, a spring; and 9, an actuator.
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.
A semi-active control energy dissipation and vibration reduction device comprises a uncovered box body 1, wherein the uncovered box body 1 comprises a bottom plate and side plates;
the bottom plate is provided with a TMD vibration reduction mechanism 2, and the TMD vibration reduction mechanism 2 is used for generating damping force to consume vibration energy; the TMD damping mechanism 2 comprises a TMD mass block 201;
an NES vibration reduction mechanism 3 is arranged on the TMD mass block 201, and the NES vibration reduction mechanism 3 is used for generating damping force to consume vibration energy;
the TMD mass block comprises a TMD mass block 201, a first piezoelectric ceramic 4, a second piezoelectric ceramic 5, a third piezoelectric ceramic 6 and a fourth piezoelectric ceramic 7, wherein the first piezoelectric ceramic 4 is arranged on the inner surface of a left side plate, the second piezoelectric ceramic 5 is arranged on the left surface of the TMD mass block 201, the third piezoelectric ceramic 6 is arranged on the right surface of the TMD mass block 201, and the fourth piezoelectric ceramic 7 is arranged on the inner surface of a right side plate;
springs 8 are horizontally arranged between the first piezoelectric ceramic 4 and the second piezoelectric ceramic 5 and between the third piezoelectric ceramic 6 and the fourth piezoelectric ceramic 7 respectively;
the device also comprises an industrial personal computer, a storage battery and an actuator 9;
the industrial personal computer is electrically connected with the actuator 9;
the storage battery is respectively and electrically connected with the four piezoelectric ceramics and the industrial personal computer;
the actuator 9 is arranged on the right side of a vertical baffle plate arranged on the upper surface of the TMD mass block 201, and the top end of an output shaft of the actuator 9 is connected with an NES box body 301 of the NES vibration reduction mechanism 3 through a universal hinge.
Further, the TMD damping mechanism 2 further includes two TMD dampers 202;
a plurality of first rollers 203 are arranged on the bottom surface of the TMD mass block 201, and the first rollers 203 roll left and right; the TMD mass block 201 is placed on the bottom plate;
one TMD damper 202 is horizontally arranged between the left side plate and the left side of the TMD mass block 201, and two ends of the TMD damper are respectively connected with the left side plate and the left side of the TMD mass block 201; the other TMD damper 202 is horizontally arranged between the right side plate and the right side plate of the TMD mass block 201, and two ends of the other TMD damper are respectively connected with the right side plate and the right side plate of the TMD mass block 201;
the TMD damper 202 dissipates vibrational energy as it is transferred into the TMD damping mechanism 2.
Further, the TMD mass block 201 is hollow, and the inside of the TMD mass block is filled with viscous liquid; when vibration energy is transmitted into the TMD mass 201, the viscous liquid is shaken, consuming the vibration energy.
Furthermore, the surface layer of the TMD mass block 201 is a metamaterial layer 204, the metamaterial layer 204 is of a hexagonal honeycomb structure, a plurality of first through holes are formed in the surface, facing the inside of the TMD mass block 201, of the metamaterial layer 204, and a plurality of metal particles with diameters larger than the first through holes are placed in each hexagonal cavity of the metamaterial layer 204; when the vibration energy is transmitted into the TMD mass block 201, the viscous liquid flows into or out of the first through hole, and the vibration energy is consumed; the viscous liquid collides with the metal particles to dissipate the vibration energy.
Further, the metamaterial layer 204 has elasticity and can dissipate vibration energy.
Further, the NES damping mechanism 3 includes a NES case 301, a plurality of second rollers 307 are disposed on a bottom surface of the NES case 301, and the second rollers 307 roll left and right; a vertical slide rail 302 is arranged inside the NES box body 301;
the upper end of the vertical slide rail 302 is connected with the upper inner surface of the NES box body 301, and the lower end of the vertical slide rail 302 is connected with the lower inner surface of the NES box body 301;
a sliding block 303 is arranged on the vertical sliding rail 302, and the sliding block 303 slides up and down along the vertical sliding rail 302;
an NES mass 305, wherein an NES damper 306 is arranged between the NES mass 305 and the right side plate of the NES box body 301; an NES nonlinear spring 304 is disposed between the NES mass 305 and the slider 303.
When vibration energy is transmitted to the NES vibration reduction mechanism 3, the sliding block 303 slides up and down along the vertical sliding rail 302, and the vibration energy is consumed through friction; NES damping 306 dissipates vibrational energy.
Furthermore, the industrial personal computer comprises a sensor module and an actuator 9 control module; the sensor module is used for sensing the vibration energy; the actuator 9 control module is used for controlling the actuator 9 to run or stop; when the vibration energy sensed by the sensor module exceeds a set threshold value, the actuator 9 control module controls the actuator 9 to apply static and dynamic loads to the NES vibration reduction mechanism 3, semi-active control is achieved, and vibration energy is consumed.
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 semi-active control energy dissipation and vibration reduction device is characterized by comprising a uncovered box body (1), wherein the uncovered box body (1) comprises a bottom plate and side plates;
the bottom plate is provided with a TMD damping mechanism (2), and the TMD damping mechanism (2) is used for dissipating vibration energy; the TMD damping mechanism (2) comprises a TMD mass block (201);
an NES vibration reduction mechanism (3) is arranged on the TMD mass block (201), and the NES vibration reduction mechanism (3) is used for consuming vibration energy;
the TMD mass block is characterized by further comprising a first piezoelectric ceramic (4) arranged on the inner surface of the left side plate, a second piezoelectric ceramic (5) arranged on the left surface of the TMD mass block (201), a third piezoelectric ceramic (6) arranged on the right surface of the TMD mass block (201), and a fourth piezoelectric ceramic (7) arranged on the inner surface of the right side plate;
springs (8) are respectively horizontally arranged between the first piezoelectric ceramic (4) and the second piezoelectric ceramic (5) and between the third piezoelectric ceramic (6) and the fourth piezoelectric ceramic (7);
the device also comprises an industrial personal computer, a storage battery and an actuator (9);
the industrial personal computer is electrically connected with the actuator (9);
the storage battery is respectively and electrically connected with the four piezoelectric ceramics and the industrial personal computer;
the actuator (9) is arranged on the right side of a vertical baffle plate arranged on the upper surface of the TMD mass block (201), and the top end of an output shaft of the actuator (9) is connected with an NES box body (301) of the NES vibration reduction mechanism (3) through a universal hinge.
2. Semi-active control dissipative vibration damping device according to claim 1, wherein the TMD damping mechanism (2) further comprises two TMD dampers (202);
a plurality of first rollers (203) are arranged on the bottom surface of the TMD mass block (201), and the first rollers (203) roll left and right; the TMD mass (201) is placed on the bottom plate;
one TMD damper (202) is horizontally arranged between the left side plate and the left side of the TMD mass block (201), and two ends of the TMD damper are respectively connected with the left side plate and the left side of the TMD mass block (201); and the other TMD damper (202) is horizontally arranged between the right side plate and the right side plate of the TMD mass block (201), and two ends of the other TMD damper are respectively connected with the right side plate and the right side plate of the TMD mass block (201).
3. Semi-active controlled dissipative vibration damping device according to claim 2, wherein the TMD mass (201) is hollow and filled with a viscous liquid inside.
4. The semi-active control dissipative vibration damping device according to claim 3, wherein the surface layer of the TMD mass (201) is a metamaterial layer (204), the metamaterial layer (204) has a hexagonal honeycomb structure, a plurality of first through holes are disposed on the surface of the metamaterial layer (204) facing the inside of the TMD mass (201), and a plurality of metal particles with a diameter larger than the first through holes are disposed in each hexagonal cavity of the metamaterial layer (204).
5. Semi-active control dissipative vibration damping device according to claim 4, wherein the metamaterial layer (204) is elastic.
6. The semi-active controlled dissipative vibration damping device according to claim 5, wherein the NES damping mechanism (3) comprises a NES box (301), wherein a plurality of second rollers (307) are arranged on the bottom surface of the NES box (301), and the second rollers (307) roll left and right; a vertical slide rail (302) is arranged inside the NES box body (301);
the upper end of the vertical slide rail (302) is connected with the inner surface of the upper side of the NES box body (301), and the lower end of the vertical slide rail (302) is connected with the inner surface of the lower side of the NES box body (301);
a sliding block (303) is arranged on the vertical sliding rail (302), and the sliding block (303) slides up and down along the vertical sliding rail (302);
the device also comprises an NES mass block (305), and an NES damper (306) is arranged between the NES mass block (305) and the right side plate of the NES box body (301); an NES nonlinear spring (304) is arranged between the NES mass block (305) and the slider (303).
7. Semi-active control dissipative vibration damping device according to claim 6, wherein the industrial personal computer comprises a sensor module and an actuator (9) control module; the sensor module is used for sensing the vibration energy; the actuator (9) control module is used for controlling the actuator (9) to run or stop.
CN202111025576.XA 2021-09-02 2021-09-02 Semi-active control energy dissipation and vibration reduction device Active CN113846668B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111025576.XA CN113846668B (en) 2021-09-02 2021-09-02 Semi-active control energy dissipation and vibration reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111025576.XA CN113846668B (en) 2021-09-02 2021-09-02 Semi-active control energy dissipation and vibration reduction device

Publications (2)

Publication Number Publication Date
CN113846668A CN113846668A (en) 2021-12-28
CN113846668B true CN113846668B (en) 2022-08-26

Family

ID=78976750

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111025576.XA Active CN113846668B (en) 2021-09-02 2021-09-02 Semi-active control energy dissipation and vibration reduction device

Country Status (1)

Country Link
CN (1) CN113846668B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116556757B (en) * 2023-07-04 2023-10-17 上海材料研究所有限公司 Tuned mass damper

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193032B1 (en) * 1998-03-02 2001-02-27 The Penn State Research Foundation Piezoceramic vibration control device and tuning control thereof
JP2004346562A (en) * 2003-05-21 2004-12-09 Takenaka Komuten Co Ltd Passive type two-stage vibration control device
CN101016758A (en) * 2007-01-22 2007-08-15 哈尔滨工业大学 Novel mixing quality driving variable damping control device for structure vibration control
CN102102401A (en) * 2011-03-09 2011-06-22 北京工业大学 Damping control device of composite sealed tuned mass damper
CN203594125U (en) * 2013-09-27 2014-05-14 西安建筑科技大学 Self-resetting piezoelectric semi-active friction damper
CN105133743A (en) * 2015-09-24 2015-12-09 同济大学 Nonlinear tunable mass and liquid damper
CN107152100A (en) * 2017-05-31 2017-09-12 浙江工业大学 The ATMD vibration absorbers of Tuned mass damper composite construction
CN108729571A (en) * 2018-08-01 2018-11-02 山东大学 A kind of magnetorheological energy damper of piezoelectricity of half active
CN110296182A (en) * 2019-06-28 2019-10-01 西安理工大学 A kind of tuning quality damper vibration damping system being incorporated to nonlinear energy trap

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193032B1 (en) * 1998-03-02 2001-02-27 The Penn State Research Foundation Piezoceramic vibration control device and tuning control thereof
JP2004346562A (en) * 2003-05-21 2004-12-09 Takenaka Komuten Co Ltd Passive type two-stage vibration control device
CN101016758A (en) * 2007-01-22 2007-08-15 哈尔滨工业大学 Novel mixing quality driving variable damping control device for structure vibration control
CN102102401A (en) * 2011-03-09 2011-06-22 北京工业大学 Damping control device of composite sealed tuned mass damper
CN203594125U (en) * 2013-09-27 2014-05-14 西安建筑科技大学 Self-resetting piezoelectric semi-active friction damper
CN105133743A (en) * 2015-09-24 2015-12-09 同济大学 Nonlinear tunable mass and liquid damper
CN107152100A (en) * 2017-05-31 2017-09-12 浙江工业大学 The ATMD vibration absorbers of Tuned mass damper composite construction
CN108729571A (en) * 2018-08-01 2018-11-02 山东大学 A kind of magnetorheological energy damper of piezoelectricity of half active
CN110296182A (en) * 2019-06-28 2019-10-01 西安理工大学 A kind of tuning quality damper vibration damping system being incorporated to nonlinear energy trap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
线性-非线性联合质量阻尼器减震性能分析;王菁菁等;《结构工程师》;20180228;第34卷;第72-80页 *

Also Published As

Publication number Publication date
CN113846668A (en) 2021-12-28

Similar Documents

Publication Publication Date Title
CN113846668B (en) Semi-active control energy dissipation and vibration reduction device
CN105908581A (en) Composite particle damper used for reducing steel rail vibration noise
EP3239014B1 (en) Railway vehicle and vibration damping and suspension device thereof
CN206863645U (en) A kind of hard disc of computer damping device with buffer platform
CN104612280A (en) Composite-type energy dissipation and vibration reduction control device
CN110131353A (en) A kind of box liquid spring unit
WO2015101094A1 (en) Two-stage-rigidity combination elastic-member device
WO2017185673A1 (en) Journal box rubber pad, bogie and railway car
CN202865701U (en) Multi-frequency-spectrum split type vibration and noise reduction device for rail transit
CN105297937B (en) A kind of frictional force variable damper
WO2021093852A1 (en) Dynamic vibration absorption and energy dissipation device for delaying development of rail corrugation
CN113007264A (en) Three-dimensional combined vibration isolation system based on inertial container and containing basic vibration isolation and floor vibration isolation
CN112030622A (en) Embedded track dynamic vibration absorber
Marjani et al. Suppression of train wheel squeal noise by shunted piezoelectric elements
CN108406429B (en) Guide rail protective cover
CN207330148U (en) A kind of lifting equipment damping device
DK1262440T3 (en) Oscillator for escalator or rolling pavement
CN211922100U (en) Novel damping track structure
CN213040183U (en) Computer anti-vibration device
Soliman et al. Influence of road roughness on the ride and rolling resistance for passenger car
CN213233882U (en) Network interpenetrating type AF acrylate rubber viscoelastic damper
Sireteanu et al. The influence of damping characteristic on the stabilization control of hunting motion of a railway vehicle wheelset
CN109868695B (en) Novel periodic fastener structure based on hydraulic viscous damping
CN209859610U (en) Electromechanical noise-proof device
CN103993774B (en) Inner and outer barrel self-erected self-adaptive shake resistance steel chimney

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant