CN205078684U - Tuned mass damper with adjustable it is vertical - Google Patents
Tuned mass damper with adjustable it is vertical Download PDFInfo
- Publication number
- CN205078684U CN205078684U CN201520777233.2U CN201520777233U CN205078684U CN 205078684 U CN205078684 U CN 205078684U CN 201520777233 U CN201520777233 U CN 201520777233U CN 205078684 U CN205078684 U CN 205078684U
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- CN
- China
- Prior art keywords
- loop bar
- upper bracket
- grade
- support frame
- gear
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a tuned mass damper, specific tuned mass damper with adjustable it is vertical that says so belongs to tuned mass damper technical field. It includes upper bracket, lower carriage and quality piece, and upper bracket and lower carriage both sides middle part are connected through viscous damper. Upper bracket and lower carriage both sides front portion are equipped with one grade of loop bar subassembly and second gear loop bar subassembly, overlap the shock mount on one grade of loop bar subassembly or second gear loop bar subassembly, the upper bracket upper end left and right sides is equipped with the guide rail, sliding connection quality piece on the guide rail, and accommodate the lead screw is connected to quality piece rear end, and accommodate the lead screw and the screw -nut who fixes at the upper bracket rear portion are connected. The utility model discloses quality piece part adopts the lead screw to adjust the distance to come the quality of regulation to distribute, and the spring system part adopts folk art term adjustable structure, and viscous damper highly adjusts required damping value through what adjust the picture peg, can select two kinds of mounting meanss of suspension type and support formula according to the on -the -spot condition, it is strong from adaptability, simple to operate.
Description
Technical field
The utility model relates to a kind of tuned mass damper, TMD, and a kind of vertical adjustable tuned mass damper, TMD, belongs to tuned mass damper, TMD technical field specifically.
Background technique
Tuned mass damper, TMD (TunedMassDamper, TMD) system is a class of the passive vibration damping hierarchy of control of structure, and it is made up of main structure and the tuned mass damper, TMD be attached in main structure.Wherein tuned mass damper, TMD comprises solid masses, spring cushion and damper etc., it has quality, rigidity and damping, by changing the natural frequency of vibration of quality or stiffness equivalent tuned mass damper, TMD, make it as far as possible close to fundamental frequency or the excited frequency of main structure, when vibrating when main structure excited target, tuned mass damper, TMD will produce an inertial force effect contrary with structural vibration direction structurally, makes the dynamic respons of main structure decay and be controlled.
There is frequency in existing tuned mass damper, TMD and damping is unadjustable or regulate complicated difficult problem of getting up, situation not identical with the fundamental frequency of main structure when damper is installed can be produced, thus just not reaching the effect making agent structure vibration damping, installation self adaption is poor.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thus provides a kind of vertical adjustable tuned mass damper, TMD, and the dynamic respons of main structure can be made to decay and be controlled; Meanwhile, there is frequency in solution tuned mass damper, TMD and damping is unadjustable or regulate complicated difficult problem of getting up, and make damped system fully play effect, effectiveness in vibration suppression is remarkable.
According to the technological scheme that the utility model provides, vertical adjustable tuned mass damper, TMD comprises upper bracket, lower support frame and mass block, it is characterized in that: upper bracket and rear portion, lower support frame both sides are rotationally connected by plummer block housing bearing, and upper bracket is connected by viscous damper with lower support frame two middle side part; Upper bracket and lower support frame two forequarter are provided with one grade of loop bar assembly and second gear loop bar assembly, pocketed springs on one grade of loop bar assembly or second gear loop bar assembly; The left and right sides, upper bracket upper end is provided with guide rail, slide on rails quality of connection block, and mass block rear end connects adjustment screw mandrel, regulates screw mandrel to be connected with the feed screw nut being fixed on upper bracket rear portion.
Further, one grade of loop bar assembly comprises the upper loop bar of corresponding a grade of arranging and one grade of lower loop bar up and down, and one grade of upper loop bar upper end is fixed on upper bracket, and one grade of lower loop bar lower end is fixed on lower support frame.
Further, second gear loop bar assembly comprises up and down loop bar under loop bar and second gear on the corresponding second gear arranged, and on second gear, loop bar upper end is fixed on upper bracket, and under second gear, loop bar lower end is fixed on lower support frame (2).
Further, upper bracket and lower support frame two forequarter are provided with position-limited lever, and position-limited lever lower end is fixed on lower support frame, and position-limited lever and upper bracket are slidably connected, and are provided with the first stop nut (13) and the second stop nut on position-limited lever top.
Compared with the prior art the utility model has the following advantages:
The utility model structure is simple, compact, reasonable, and overall multisystem is adjustable, easy to adjust, and regulation range is wide; Easy to maintenance, cost is low, long service life; Mass block part adopts screw mandrel adjustable range to carry out quality of regulation distribution, and spring system part adopts folk art term adjustable structure, and viscous damper adjusts required damping value by regulating the height of plate; Mass block motion has the sensitivity of height, ensures that damper effectively plays a role; Can select suspending type and supporting type two kinds of mounting types according to field condition, adaptive ability is strong, easy for installation.
Accompanying drawing explanation
Fig. 1 is the utility model plan view.
Fig. 2 is the utility model plan view.
Description of reference numerals: 1-upper bracket, 2-lower support frame, 3-plummer block housing bearing, 4-mass block, 5-guide rail, 6-to regulate on screw mandrel, 7-feed screw nut, 8-viscous damper, 9-spring, the upper loop bar of 10a-mono-grade, 10b-mono-grade of lower loop bar, 11a-second gear loop bar, 12-position-limited lever, 13-first stop nut, 14-second stop nut under loop bar, 11b-second gear.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the utility model below:
As shown in Figure 1 and 2, the utility model mainly comprises upper bracket 1, lower support frame 2 and mass block 4, and upper bracket 1 and rear portion, lower support frame 2 both sides are rotationally connected by plummer block housing bearing 3.Upper bracket 1 and lower support frame 2 liang of middle side parts are connected by viscous damper 8, can adjust required damping value by viscous damper 8.
Upper bracket 1 and lower support frame 2 liang of forequarters are provided with one grade of loop bar assembly and second gear loop bar assembly, according to use needs, and pocketed springs 9 on one grade of loop bar assembly or second gear loop bar assembly.
Described one grade of loop bar assembly comprises upper loop bar 10a and a grade of lower loop bar 10b of corresponding a grade of arranging up and down, and one grade of upper loop bar 10a upper end is fixed on upper bracket 1, and one grade of lower loop bar 10b lower end is fixed on lower support frame 2.
Described second gear loop bar assembly comprises up and down loop bar 11b under loop bar 11a and second gear on the corresponding second gear arranged, and on second gear, loop bar 11a upper end is fixed on upper bracket 1, and under second gear, loop bar 11b lower end is fixed on lower support frame 2.
Described upper bracket 1 and lower support frame 2 liang of forequarters are provided with position-limited lever 12, and position-limited lever 12 lower end is fixed on lower support frame 2, and position-limited lever 12 and upper bracket 1 are slidably connected.The first stop nut 13 and the second stop nut 14 is provided with, by the amplitude of the first stop nut 13 and the second stop nut 14 spacing upper bracket 1 vertical tremor on position-limited lever 12 top.Position-limited lever 12 can limit the movement of mass block when Large travel range vibrates, the destruction to agent structure under avoiding Large travel range to vibrate.
The left and right sides, upper bracket 1 upper end is provided with guide rail 5, and guide rail 5 is slidably connected mass block 4, and mass block 4 rear end connects adjustment screw mandrel 6, regulates screw mandrel 6 to be connected with the feed screw nut 7 being fixed on upper bracket 1 rear portion.By the distribution regulating screw mandrel 6 can adjust whole mass block, thus damping adjusting device frequency.
Working principle of the present utility model is: the utility model by inertial mass, and is equipped with spring and is connected with agent structure with viscous damper.When agent structure is subject to external load generation vibration, drive adjustable tuned mass damper, TMD to move together, consequent inertial force feeds back in main structure again, thus suppresses main structure vibration.The key that the utility model can play a role regulates its frequency and damping value, and the utility model is adjustable, easy to adjust by multisystem, and regulation range is wide, and make vibration damping equipment effect optimization, effectiveness in vibration suppression is remarkable.
Claims (4)
1. a vertical adjustable tuned mass damper, TMD, comprise upper bracket (1), lower support frame (2) and mass block (4), it is characterized in that: upper bracket (1) and lower support frame (2) rear portion, both sides are rotationally connected by plummer block housing bearing (3), and upper bracket (1) is connected by viscous damper (8) with lower support frame (2) two middle side part; Upper bracket (1) and lower support frame (2) two forequarter are provided with one grade of loop bar assembly and second gear loop bar assembly, pocketed springs (9) on one grade of loop bar assembly or second gear loop bar assembly; Upper bracket (1) left and right sides, upper end is provided with guide rail (5), and guide rail (5) is slidably connected mass block (4), and mass block (4) rear end connects adjustment screw mandrel (6), regulates screw mandrel (6) to be connected with the feed screw nut (7) being fixed on upper bracket (1) rear portion.
2. vertical adjustable tuned mass damper, TMD as claimed in claim 1, it is characterized in that: described one grade of loop bar assembly comprises the upper loop bar (10a) of corresponding a grade of arranging and one grade of lower loop bar (10b) up and down, one grade of upper loop bar (10a) upper end is fixed on upper bracket (1), and one grade of lower loop bar (10b) lower end is fixed on lower support frame (2).
3. vertical adjustable tuned mass damper, TMD as claimed in claim 1, it is characterized in that: described second gear loop bar assembly comprises up and down loop bar (11b) under loop bar (11a) and second gear on the corresponding second gear arranged, on second gear, loop bar (11a) upper end is fixed on upper bracket (1), and under second gear, loop bar (11b) lower end is fixed on lower support frame (2).
4. vertical adjustable tuned mass damper, TMD as claimed in claim 1, it is characterized in that: described upper bracket (1) and lower support frame (2) two forequarter are provided with position-limited lever (12), position-limited lever (12) lower end is fixed on lower support frame (2), position-limited lever (12) and upper bracket (1) are slidably connected, and are provided with the first stop nut (13) and the second stop nut (14) on position-limited lever (12) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777233.2U CN205078684U (en) | 2015-10-08 | 2015-10-08 | Tuned mass damper with adjustable it is vertical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777233.2U CN205078684U (en) | 2015-10-08 | 2015-10-08 | Tuned mass damper with adjustable it is vertical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078684U true CN205078684U (en) | 2016-03-09 |
Family
ID=55431096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777233.2U Withdrawn - After Issue CN205078684U (en) | 2015-10-08 | 2015-10-08 | Tuned mass damper with adjustable it is vertical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156578A (en) * | 2015-10-08 | 2015-12-16 | 无锡圣丰建筑新材料有限公司 | Vertical adjustable frequency modulation mass damper |
| CN109610674A (en) * | 2019-02-01 | 2019-04-12 | 青岛理工大学 | Lead screw drives Active liquid tuned mass damper |
-
2015
- 2015-10-08 CN CN201520777233.2U patent/CN205078684U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156578A (en) * | 2015-10-08 | 2015-12-16 | 无锡圣丰建筑新材料有限公司 | Vertical adjustable frequency modulation mass damper |
| CN105156578B (en) * | 2015-10-08 | 2017-09-29 | 无锡圣丰建筑新材料有限公司 | Vertical adjustable tuned mass damper, TMD |
| CN109610674A (en) * | 2019-02-01 | 2019-04-12 | 青岛理工大学 | Lead screw drives Active liquid tuned mass damper |
| CN109610674B (en) * | 2019-02-01 | 2023-11-24 | 青岛理工大学 | Screw drive active liquid tuning mass damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vertical adjustable frequency modulation mass damper Effective date of registration: 20161104 Granted publication date: 20160309 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: Wuxi Fuyo Tech Co., Ltd. Registration number: 2016990000925 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170929 |
|
| AV01 | Patent right actively abandoned | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190227 Granted publication date: 20160309 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: Wuxi Fuyo Tech Co., Ltd. Registration number: 2016990000925 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |