CN206319685U - Full assembled tuned mass damper, TMD - Google Patents
Full assembled tuned mass damper, TMD Download PDFInfo
- Publication number
- CN206319685U CN206319685U CN201621403805.1U CN201621403805U CN206319685U CN 206319685 U CN206319685 U CN 206319685U CN 201621403805 U CN201621403805 U CN 201621403805U CN 206319685 U CN206319685 U CN 206319685U
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- mass
- vertical spring
- base plate
- tmd
- damper
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- Withdrawn - After Issue
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model is related to a kind of full assembled tuned mass damper, TMD, and several masses connect integral by connecting cylinder, and mass passes through damping element and Vertical Spring connecting bottom board；Damping element is located at the mass bolt connection of the inside of connection cylinder, one end and upper end, and the other end is connected with bed bolt；Several Vertical Springs are evenly equipped between mass and base plate, Vertical Spring two ends are fixed on mass and base plate by provided with threaded connector spiral respectively, the thread size of provided with threaded connector is adapted with the spiral size of Vertical Spring, change the number of active coils of Vertical Spring by rotating provided with threaded connector, can adjust the rigidity of Vertical Spring；Gathering sill is evenly equipped with overall mass excircle, and is slidably connected by gathering sill and fixed tubular pillar guiding between the bottom panel and top panel.The damper is not only easy to process, fabrication cycle is short, small volume and cost is relatively low, while space is small needed for field adjustable, frequency modulation is easy to operate, is not limited by site space.
Description
Technical field
The utility model is related to a kind of damper, specifically, is to be related to a kind of full assembled frequency modulation mass damping
Device.
Background technology
Tuned mass damper, TMD is one kind of the passive vibration damping control system of structure, and it is by main structure and is attached in main structure
Minor structure composition, the minor structure include quality system, support system（Spring and damper）, and typically hang or be supported on knot
On structure.
The working mechanism of tuned mass damper, TMD is " with dynamic braking " to be controlled or weakened with the motion of a mass
The motion of another mass, by motivation of adjustment characteristic, makes its natural frequency of vibration try one's best close to the fundamental frequency or sharp of main structure
Frequency is encouraged, when main structure is vibrated by extraneous load incentive action, tuned mass damper, TMD will produce one and main knot
The opposite inertia force of structure direction of vibration is acted in main structure, so that the dynamic respons of main structure are decayed and controlled.
There are two large problems in existing tuned mass damper, TMD.One is the making of mass, due to there is some frequency modulation mass
Damper is using steel reinforced concrete block as mass, therefore fabrication cycle length and small product size is big is limited by installing space, and
Although steel plate, as mass, need to be connected into an entirety by other using certain amount steel plate using welding, because
This working procedure is more, processing cost is higher, and due to can only the welding on the outside of steel plate, therefore also have necessarily to its presentation quality
Influence；Although two be that current existing tuned mass damper, TMD can adjust, execute-in-place is relatively difficult, such as certain
In a little overpass engineerings, tuned mass damper, TMD is that field adjustable is carried out in the steel box-girder of overline bridge in Cheng Qiaohou, works as steel
When box beam height is smaller, scene passes through increase（Reduce）Spring or increase mass are almost inoperable to carry out frequency modulation
's.
Therefore, based on above-mentioned problem, it is necessary to design a kind of improved full assembled tuned mass damper, TMD, not only processing side
Just, fabrication cycle is short, small volume and cost is relatively low, while space is small needed for field adjustable, frequency modulation is easy to operate, not by live empty
Between limitation.
The content of the invention
The purpose of this utility model is to solve above-mentioned problem, proposes a kind of improved full assembled frequency modulation mass damping
Device, the damper is not only easy to process, fabrication cycle is short, small volume and cost is relatively low, while space is small needed for field adjustable, adjusts
Frequently it is easy to operate, do not limited by site space.
The technical solution of the utility model is：A kind of full assembled tuned mass damper, TMD, including mass connection circle
Cylinder Vertical Spring, provided with threaded connector damping element base plate cylinder abacus, several masses are connected by connecting cylinder
Connect integral, overall mass is by damping element and Vertical Spring connecting bottom board, and damping element is located at connection cylinder
Inside, the mass bolt connection of damping element one end and upper end, the other end is connected with bed bolt；The mass of upper end with
Several Vertical Springs are evenly equipped between base plate, and Vertical Spring two ends are fixed on upper end by provided with threaded connector spiral respectively
On mass and base plate, the thread size of provided with threaded connector is adapted with the spiral size of Vertical Spring, passes through rotating band spiral shell
Line connector changes the number of active coils of Vertical Spring, rigidity for adjusting Vertical Spring；On overall mass excircle
Gathering sill is evenly equipped with, and is slidably connected by gathering sill and fixed cylindrical column guiding between the bottom panel and top panel.
Overall mass connects regulation mass by connecting cylinder, leads between regulation mass and connection cylinder
Cross threaded connection.
Top board is by four cylindrical columns and lower raft bolt connection, and the spacing of top board and mass need to be more than overall matter
The range of gauge block in normal operation.
Spigot surface is contacted between cylindrical column and overall mass provided with non-cohesive material layer.
Mass is made up of perforate circular steel plate, and circular steel plate is provided centrally with the different circular hole of some diameters, and circular hole is straight
Footpath is more than in the diameter of damping element and Vertical Spring, the circular hole is provided with total length internal thread along thickness of slab direction, and by total length
Screw thread is connected into inside a mass entirety, mass while being provided with a number of vertical circular hole, circular hole with being connected cylinder
Interior arrangement Vertical Spring, mass is supported on Vertical Spring.
Connect outside diameter of cylinder Circularhole diameter corresponding with inside mass identical, total length external screw thread be provided with along external cylindrical surface,
The total length screw-internal thread fit connection of the circular steel plate center hole of total length external screw thread and mass, the length of connection cylinder is more than whole
The mass gross thickness of body, for connecting regulation mass.
The beneficial effects of the utility model are：
1st, the utility model uses full assembled manufacture craft, can use pre-engineered part, therefore easy to process, week
Phase is short, small volume and cost is relatively low；
2 the utility model masses can be accelerated by threaded connection cylinder, and can be adjusted by rotating Vertical Spring
Its rigidity is saved, therefore required operating space is small during field adjustable, frequency modulation is easy to operate.
3rd, the utility model on the contact surface of cylindrical column and mass by using non-cohesive material, it is ensured that mass exists
Vertical motion is kept under the sidewise restraint of four cylindrical columns, it is to avoid use guide post, economy is more preferable.
Brief description of the drawings
Fig. 1 is full assembled tuned mass damper, TMD structural main section view of the present utility model；
Fig. 2 is along A-A sectional views in Fig. 1；
Fig. 3 is base arrangement main sectional view；
Fig. 4 is Fig. 3 top view；
Fig. 5 is vertical tuned mass damper, TMD system schematic；
Fig. 6 is horizontal tuned mass damper, TMD system schematic.
Embodiment
The utility model will be further described with reference to the embodiment in accompanying drawing below：
As shown in Figures 1 to 4, the utility model includes the regulation of the mass 1 connection Vertical Spring of cylinder 3 of mass 2
4th, the top board 9 of 5 damping element of provided with threaded connector, 6 base plate, 7 cylindrical column 8 and non-cohesive material layer 10.
Several masses 1 connect integral by connecting cylinder 3, and overall mass 1 passes through damping element 6 and perpendicular
To the connecting bottom board 7 of spring 4, and damping element 6 is located at the mass 1 of the inside of connection cylinder 3, the one end of damping element 6 and upper end
Bolt connection, the other end and the bolt connection of base plate 7；Several Vertical Springs 4 are evenly equipped between the mass 1 and base plate 7 of upper end, and
The two ends of Vertical Spring 4 are fixed on the mass 1 and base plate 7 of upper end by the spiral of provided with threaded connector 5 respectively, threaded connection
The thread size of part 5 is adapted with the spiral size of Vertical Spring 4, and Vertical Spring 4 is changed by rotating provided with threaded connector 5
Number of active coils, the rigidity for adjusting Vertical Spring 4；Gathering sill is evenly equipped with the overall excircle of mass 1, and by leading
It is oriented to and is slidably connected to groove and the cylindrical column being fixed between base plate 7 and top board 98.
Top board 9 passes through four cylindrical columns 8 and the bolt connection of lower raft 7, the spacing and base plate 7 of top board 9 and mass 1
It need to be more than the range of overall mass 1 in normal operation with the spacing of mass 1.
Spigot surface is contacted between cylindrical column 8 and overall mass 1 provided with non-cohesive material layer 10.
Mass 1 is made up of perforate circular steel plate, and circular steel plate is provided centrally with the circular hole of certain amount and diameter, circular hole
With diameter greater than damping element and the diameter of Vertical Spring, total length internal thread is provided with along thickness of slab direction in the circular hole, and pass through total length
Internal thread connects into a mass entirety with being connected cylinder 3, and the inside of mass 1 is provided with a number of vertical circular hole simultaneously,
Arrangement Vertical Spring 4 in circular hole, mass 1 is supported on Vertical Spring 4.
Connect outside diameter of cylinder Circularhole diameter corresponding with inside mass identical, total length external screw thread be provided with along external cylindrical surface,
Total length external screw thread is connected with the total length screw-internal thread fit of the circular steel plate center hole of mass 1, and the length of connection cylinder is more than
The overall gross thickness of mass 1, for connecting regulation mass.
Mass 1 connects integral by connecting cylinder 3, and can be added as needed on regulation mass 2, quality 1 with
Connect cylinder 3, regulation and use screw thread connecting method between mass 2 and connection cylinder 3.
Vertical Spring 4 is fixed on mass 1 and base plate 7 by the rotation of provided with threaded connector 5, the spiral shell of provided with threaded connector 5
Line size is supporting with spiral on Vertical Spring 4, and provided with threaded connector 5 still can be by the bottom of base plate 7 after being connected with base plate 7
Bolt is rotated.Damping element 6 is located at the inside of connection cylinder 3, the one end of damping element 6 and the bolt connection of mass 1, another
End again with the bolt connection of base plate 7.
Top board 9 by four cylindrical columns 8 and the bolt connection of lower raft 7 with mass 1, damping element 6 and vertical bullet
Spring 4 is not attached to.The spacing and base plate 7 and the spacing of mass 1 of top board 9 and mass 1 need to be met more than mass 1 normal
The range requirement that may occur under working condition.The range of mass 1 by designer according to the elasticity of structure when
Journey analysis is obtained, and the maximum displacement of mass is can obtain according to time-history analysis result.To ensure frequency modulation mass of the present utility model
Damper still normal work, and avoid mass from bumping against top board or bottom in largest motion displacement in mass maximum displacement
Plate, and the destruction of top board or base plate is caused, therefore top board 9 is needed with the spacing and base plate 7 of mass 1 with the spacing of mass 1
The range requirement that may occur in normal operation more than mass 1.
Operation principle of the present utility model：
The construction measure that the utility model splices by using bolt connection and screw thread, realizes the complete of tuned mass damper, TMD
Assembled manufacture craft.Wherein, mass connects integral by threaded connection cylinder and circular steel plate, and connection cylinder
A remaining segment length, increases additional mass block during available for field adjustable；Vertical Spring is rotated by provided with threaded connector to be fixed
On mass and base plate, thread size is supporting with spring, and provided with threaded connector still can be by under base plate after being connected with base plate
The bolt in portion is rotated, so as to change the number of active coils of Vertical Spring, plays the effect for adjusting its rigidity.In addition, by
Non-cohesive material is used on the contact surface of cylindrical column and mass, it is ensured that mass is kept under the sidewise restraint of four cylindrical columns
Vertical motion, plays a part of guide post.
The use process of damper of the present utility model：
Tuned mass damper, TMD system（Tuned Mass Damper abbreviations TMD）It is structure passive seismic control system
One kind, it is made up of main structure and the minor structure being attached in main structure, and the minor structure includes quality, support system（Spring and
Damper）, and typically hang or be supported in structure.
The working mechanism of TMD systems is " with dynamic braking " to be controlled with the motion of a mass or weakened another
The motion of mass, by adjusting the dynamic characteristics of TMD systems, make its natural frequency of vibration try one's best close to main structure fundamental frequency or
Driving frequency, when main structure is vibrated by extraneous load incentive action, TMD systems will produce one and be vibrated with main structure
Inertia force in opposite direction is acted in main structure, so that the dynamic respons of main structure are decayed and controlled.General basis
The difference in vibration damping direction, can be divided into vertical TMD and horizontal TMD, respectively as illustrated in Figures 5 and 6.
Claims (6)
1. a kind of full assembled tuned mass damper, TMD, including it is mass (1) connection cylinder (3) Vertical Spring (4), threaded
Connector (5) damping element (6) base plate (7) cylindrical column (8) top board (9), it is characterised in that：Several masses (1) lead to
Cross connection cylinder (3) and connect integral, overall mass (1) passes through damping element (6) and Vertical Spring (4) connecting bottom board
(7), and damping element (6) is located at the inside of connection cylinder (3), mass (1) bolt of damping element (6) one end and upper end connects
Connect, the other end and base plate (7) bolt connection；Several Vertical Springs (4) are evenly equipped between the mass (1) and base plate (7) of upper end,
And Vertical Spring (4) two ends are fixed on the mass of upper end (1) and base plate (7) by provided with threaded connector (5) spiral respectively,
The thread size of provided with threaded connector (5) is adapted with the spiral size of Vertical Spring (4), by rotating provided with threaded connector
(5) number of active coils of Vertical Spring (4), the rigidity for adjusting Vertical Spring (4) are changed；Overall mass (1) is cylindrical
Gathering sill is evenly equipped with week, and slip is oriented to by gathering sill and the cylindrical column (8) being fixed between base plate (7) and top board (9)
Connection.
2. full assembled tuned mass damper, TMD according to claim 1, it is characterised in that：The overall mass
(1) regulation mass (2) is connected by connecting cylinder (3), regulation is with mass (2) with being connected between cylinder (3) by spiral shell
Line is connected.
3. full assembled tuned mass damper, TMD according to claim 1, it is characterised in that：The top board (9) passes through four
Root cylindrical column (8) and lower raft (7) bolt connection, the spacing and base plate (7) and mass of top board (9) and mass (1)
(1) spacing is more than the range of overall mass (1) in normal operation.
4. full assembled tuned mass damper, TMD according to claim 1, it is characterised in that：The cylindrical column (8) with it is whole
Spigot surface is contacted between the mass (1) of body provided with non-cohesive material layer (10).
5. full assembled tuned mass damper, TMD according to claim 1, it is characterised in that：The mass (1) is by opening
Hole circular steel plate composition, circular steel plate is internally provided with the different circular hole of several diameters, Circularhole diameter be more than damping element and
Total length internal thread is provided with along thickness of slab direction in the diameter of Vertical Spring, the circular hole, and by total length internal thread with being connected cylinder (3)
A mass entirety is connected into, mass (1) is internal to be provided with arrangement Vertical Spring (4) in several vertical circular holes, circular hole simultaneously,
Mass (1) is supported on Vertical Spring (4).
6. full assembled tuned mass damper, TMD according to claim 5, it is characterised in that：The connection cylinder (3) is outside
Footpath is identical with the internal corresponding Circularhole diameter of mass (1), and total length external screw thread, total length external screw thread and quality are provided with along external cylindrical surface
The total length screw-internal thread fit connection of the circular steel plate center hole of block (1), the length of connection cylinder (3) is more than overall mass
(1) gross thickness, for connecting regulation mass (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403805.1U CN206319685U (en) | 2016-12-20 | 2016-12-20 | Full assembled tuned mass damper, TMD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403805.1U CN206319685U (en) | 2016-12-20 | 2016-12-20 | Full assembled tuned mass damper, TMD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319685U true CN206319685U (en) | 2017-07-11 |
Family
ID=59258750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403805.1U Withdrawn - After Issue CN206319685U (en) | 2016-12-20 | 2016-12-20 | Full assembled tuned mass damper, TMD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760847A (en) * | 2016-12-20 | 2017-05-31 | 上海史狄尔建筑减震科技有限公司 | Full assembled tuned mass damper, TMD |
| CN114291209A (en) * | 2021-12-31 | 2022-04-08 | 中国船舶重工集团公司第七一九研究所 | Adjustable-stiffness transverse damper, mooring device, system and method |
-
2016
- 2016-12-20 CN CN201621403805.1U patent/CN206319685U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760847A (en) * | 2016-12-20 | 2017-05-31 | 上海史狄尔建筑减震科技有限公司 | Full assembled tuned mass damper, TMD |
| CN114291209A (en) * | 2021-12-31 | 2022-04-08 | 中国船舶重工集团公司第七一九研究所 | Adjustable-stiffness transverse damper, mooring device, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20220308 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20220308 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |