CN207032554U - Distributed tuned mass damper, TMD - Google Patents
Distributed tuned mass damper, TMD Download PDFInfo
- Publication number
- CN207032554U CN207032554U CN201720695911.XU CN201720695911U CN207032554U CN 207032554 U CN207032554 U CN 207032554U CN 201720695911 U CN201720695911 U CN 201720695911U CN 207032554 U CN207032554 U CN 207032554U
- Authority
- CN
- China
- Prior art keywords
- tmd
- mass
- damper
- tuned mass
- mass damper
- 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
Links
Landscapes
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a kind of distributed tuned mass damper, TMD, including：Sub- tuned mass damper, TMD, cover plate and pedestal；The upper surface of the pedestal, which is provided with array distribution, the hole for placing sub- tuned mass damper, TMD；It is corresponding in each hole to place a sub- tuned mass damper, TMD；The upper surface of each hole is openend, and the cover plate is correspondingly positioned at the openend；Damper, spring, base, mass of foundation block and regulation mass are provided with every sub- tuned mass damper, TMD；The lower end of the damper axially is connected with the base, and upper end is connected with mass of foundation block；The spring is connected between mass of foundation block and base；The regulation mass is positioned over the upper surface of mass of foundation block axially.The utility model provides a kind of distributed tuned mass damper, TMD, changes its natural frequency of vibration by adjust mass, the installation and dismounting of mass be very convenient.
Description
Technical field
The technology in mechanical oscillation field is the utility model is related to, refers in particular to a kind of distributed tuned mass damper, TMD.
Background technology
Vibration problem is widely present in the life and production activity of people, in building, instrument, machine etc., vibration one
All it has been important factor in order since straight, how improves the vibration resistance of building, the precision of instrument and makes the more stable work of machine
Make, vibration damping is a very big breach.Herman Frahm proposed tuned mass damper, TMD (undamped) in 1909 first,
It has proven to be a kind of effective ways of passive vibration vibration damping, and is widely used.It is by needing to subtract
Chirp mass damper (undamped) in the main structure shaken, change distribution and the transmission characteristic of the vibrational energy of system, make
Vibrational energy transfer is in additional minor structure, so as to reach vibration damping purpose.Traditional tuned mass damper, TMD is for main system
Narrowband response have good effectiveness in vibration suppression, but because its vibration damping bandwidth is unadjustable, for principal series caused by broadband excitation
The vibration of system, effectiveness in vibration suppression are less desirable；Single tuned mass damper, TMD in use, its to rigidity and the deviation of damping parameter
Susceptibility it is higher, it is necessary to certain manufacture and installation accuracy；Common tuned mass damper, TMD be by adjust its rigidity and
Damp to adjust the natural frequency of vibration of itself, this method for changing vibration damping bandwidth is installation, dismounting and debugging bring difficulty.
Utility model content
In view of the above-mentioned problems of the prior art, the technical problems to be solved in the utility model, is to provide a kind of point
Cloth tuned mass damper, TMD, due to the distributed tuned mass damper, TMD be by adjust mass come change its self-vibration frequency
Rate, installation and the dismounting of mass are very easily.In addition, there is good subtract its arrowband and broadband response to main structure
Shake effect, and vibration damping band and vibration damping bandwidth can be adjusted；The effectiveness in vibration suppression of the distributed tuned mass damper, TMD is relatively stable, and same
Compared etc. the single tuned mass damper, TMD under parameter, it is reduced to the deviation susceptibility of rigidity and damping parameter.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of distributed tuned mass damper, TMD, including：Sub- tuned mass damper, TMD, cover plate and pedestal；
The upper surface of the pedestal, which is provided with array distribution, the hole for placing sub- tuned mass damper, TMD；It is right in each hole
A sub- tuned mass damper, TMD should be placed；The upper surface of each hole is openend, and the cover plate is correspondingly positioned over described
At openend；
Damper, spring, base, mass of foundation block and regulation mass are provided with every sub- tuned mass damper, TMD；
The lower end of the damper axially is connected with the base, and upper end is connected with mass of foundation block；The spring
It is connected between mass of foundation block and base；The regulation mass is positioned over the upper surface of mass of foundation block axially.
In a preferred embodiment：The quality of the regulation mass is changed according to need of work, so as to change every height
The natural frequency of vibration of tuned mass damper, TMD reaches the effectiveness in vibration suppression of needs.
In a preferred embodiment：The cover plate and the inwall of openend are connected through a screw thread.
In a preferred embodiment：The lower surface of the base axially is provided with screw, the lower surface of the pedestal with
Position corresponding to each hole is designed with being communicated to the bit port that allows of hole, a screw rod through it is described allow after bit port with it is described
Screw is threadedly coupled.
The utility model is the vibration characteristics according to object, and a kind of distributed tuned mass damper, TMD of proposition of innovation should
Damper has good effectiveness in vibration suppression to the arrowband and broadband response of main structure.Very easily quality can be adjusted by changing
Block, reach and effectiveness in vibration suppression is played to the response of main structure different frequency range, and be easy to debug, especially to non-individual body main structure (bridge
Beam, truss etc.) when carrying out vibration damping, because the class formation has multiple natural frequencies of vibration, it is necessary to adjust the damping of distributed frequency modulation mass
The working frequency of device, it is set to carry out vibration damping for the leading vibration shape of main structure.
Brief description of the drawings
The structural representation of distributed tuned mass damper, TMD in Fig. 1 the utility model preferred embodiments.
Fig. 2 is sectional views of the Fig. 1 in A-A directions.
The front view of Fig. 3 the utility model preferred embodiment neutron tuned mass damper, TMD structures；
Accompanying drawing identifier declaration：
The sub- cover plate 2 of tuned mass damper, TMD 1
The screw rod 4 of pedestal 3
Spring 5 adjusts mass 6
The pad 8 of damper 7
The base 10 of mass of foundation block 9
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
Designed to solve traditional frequency modulation mass bump leveller with during use, being changed by changing spring and damping
Dismounting is inconvenient caused by the intrinsic frequency of itself；Vibration damping band and the behaviour that vibration damping bandwidth is unadjustable or regulation need are complicated
Make；Vibration for main system caused by broadband excitation, effectiveness in vibration suppression are less desirable.The utility model proposes a kind of distributed
Tuned mass damper, TMD, as Figure 1-3, including：Sub- tuned mass damper, TMD 1, cover plate 2 and pedestal 3；
The upper surface of the pedestal 2, which is provided with array distribution, the hole for placing sub- tuned mass damper, TMD 1；In each hole
It is corresponding to place a sub- tuned mass damper, TMD 1；The upper surface of each hole is openend, and the cover plate 2 is corresponding to be positioned over
At the openend；
Damper 7, spring 5, base 10, mass of foundation block 9 and regulation matter are provided with every sub- tuned mass damper, TMD 1
Gauge block 6；
The lower end of the damper 7 axially is connected with the base 10, and upper end is connected with mass of foundation block 9；It is described
Spring 5 is connected between mass of foundation block 9 and base 10；The regulation mass 6 is positioned over mass of foundation block 9 axially
Upper surface.
The quality of the regulation mass 6 is changed according to need of work, so as to change every individual sub- tuned mass damper, TMD 1
The natural frequency of vibration, it is close to the intrinsic frequency of main structure.When main structure is because being activated or producing judder because of work
When, every sub- tuned mass damper, TMD 1 can all produce an inertia force and act in main structure, make the vibration of main structure by compared with
Stable control.When to change the intrinsic frequency of sub- tuned damper 1 because of need of work, it is calculated by optimization each
After the value for adjusting mass 6, so that it may open cover plate 2, suitably distributed adjust can be obtained by replacing with suitable regulation mass
Frequency mass damper.The number of certain sub- tuned mass damper, TMD 1 can increase or reduce according to need of work, and number is more
Then effectiveness in vibration suppression is more steady, and vibration damping bandwidth is also wider.
The cover plate 2 and the inwall of openend are connected through a screw thread.
The lower surface of the base 10 axially is provided with screw, and the lower surface of the pedestal 2 is corresponding with each hole
Position be designed with being communicated to the bit port that allows of hole, a screw rod 4 is threadedly coupled through described allow after bit port with the screw.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, the present embodiment are intended to the idea and operation principle for illustrating the utility model, therefore every according to skill of the present utility model
Art substantially makees the subtle modifications, equivalent variations and modifications of any shape and structure to above example, still falls within this practicality
In the range of new technique scheme.
Claims (4)
- A kind of 1. distributed tuned mass damper, TMD, it is characterised in that including：Sub- tuned mass damper, TMD, cover plate and pedestal；The upper surface of the pedestal, which is provided with array distribution, the hole for placing sub- tuned mass damper, TMD；Correspondingly put in each hole Put a sub- tuned mass damper, TMD；The upper surface of each hole is openend, and the cover plate is correspondingly positioned over the opening At end；Damper, spring, base, mass of foundation block and regulation mass are provided with every sub- tuned mass damper, TMD；The lower end of the damper axially is connected with the base, and upper end is connected with mass of foundation block；The spring connection Between mass of foundation block and base；The regulation mass is positioned over the upper surface of mass of foundation block axially.
- 2. such as a kind of distributed tuned mass damper, TMD of claim 1, it is characterised in that：It is described regulation mass quality according to Need of work is changed, so as to change the effectiveness in vibration suppression that the natural frequency of vibration of every sub- tuned mass damper, TMD reaches needs.
- 3. such as a kind of distributed tuned mass damper, TMD of claim 1, it is characterised in that：The cover plate and the inwall of openend lead to Cross threaded connection.
- 4. such as a kind of distributed tuned mass damper, TMD of claim 1, it is characterised in that：The lower surface of the base axially Provided with screw, the lower surface of pedestal position corresponding with each hole is designed with being communicated to the bit port that allows of hole, and one Screw rod is threadedly coupled through described allow after bit port with the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695911.XU CN207032554U (en) | 2017-06-15 | 2017-06-15 | Distributed tuned mass damper, TMD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695911.XU CN207032554U (en) | 2017-06-15 | 2017-06-15 | Distributed tuned mass damper, TMD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032554U true CN207032554U (en) | 2018-02-23 |
Family
ID=61468013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720695911.XU Active CN207032554U (en) | 2017-06-15 | 2017-06-15 | Distributed tuned mass damper, TMD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207032554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060131A (en) * | 2017-06-15 | 2017-08-18 | 华侨大学 | A kind of distributed tuned mass damper, TMD |
-
2017
- 2017-06-15 CN CN201720695911.XU patent/CN207032554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060131A (en) * | 2017-06-15 | 2017-08-18 | 华侨大学 | A kind of distributed tuned mass damper, TMD |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103615488B (en) | The spring steel chip dynamic vibration absorber that a kind of rigidity is adjustable | |
| CN206513088U (en) | A kind of elastic damping shock absorber | |
| CN101225865B (en) | Single-degree-of-freedom ultralow frequency vertical vibration isolation system | |
| CN205298367U (en) | Generator system damping device | |
| CN106948256A (en) | A kind of ultralow frequency liquid quality tuned damper | |
| CN102995785B (en) | Rocker bearing water tank damper | |
| CN207032554U (en) | Distributed tuned mass damper, TMD | |
| CN107152100A (en) | The ATMD vibration absorbers of Tuned mass damper composite construction | |
| CN205035929U (en) | But frequency continuous variation's harmonious mass damper structure | |
| CN105133744A (en) | Tuned mass damper structure with continuously variable frequency | |
| CN107060131A (en) | A kind of distributed tuned mass damper, TMD | |
| CN104696428A (en) | Rubber power vibration absorber | |
| CN109577361A (en) | Frequency damp adjustable two-freedom universal horizontal vibration damping tuned mass damper | |
| CN104696410A (en) | Adjustable vibration isolator | |
| CN105927703A (en) | Power vibrator absorber with springs and semicircular weight stacks | |
| CN204493575U (en) | Noise-decreasing device | |
| CN106760847A (en) | Full assembled tuned mass damper, TMD | |
| CN103836138B (en) | Vibration reduction structure for ball screw pair | |
| CN106812680A (en) | A kind of isolation mounting, freezer compressor supporting construction and refrigerator | |
| CN107217898A (en) | The ATMD vibration absorbers of self-powered Tuned mass damper composite construction | |
| CN206889548U (en) | Flying control equipment damping device | |
| CN208729165U (en) | A kind of lathe damping base | |
| CN206716403U (en) | A kind of ultrasonic compressional of low drain ripple is to vibrating mass | |
| CN205530759U (en) | Tuned mass damper system with adjustable | |
| CN209603169U (en) | Frequency damp adjustable two-freedom universal horizontal vibration damping tuned mass damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |