CN213597254U - Horizontal bidirectional eddy current tuned mass damper - Google Patents
Horizontal bidirectional eddy current tuned mass damper Download PDFInfo
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- CN213597254U CN213597254U CN202021698238.3U CN202021698238U CN213597254U CN 213597254 U CN213597254 U CN 213597254U CN 202021698238 U CN202021698238 U CN 202021698238U CN 213597254 U CN213597254 U CN 213597254U
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Abstract
The utility model discloses a harmonious mass damper of horizontal two-way eddy current, including peripheral steel structural framework, install the slide rail cushion of symmetric distribution through the locating pin on the table wall in peripheral steel structural framework's the bottom, the slide rail cushion is provided with the cross slide rail, the up end of cross slide rail is provided with the quality piece. The utility model discloses in, through the cross slide rail, vertical compression spring, horizontal compression spring, vertical permanent magnet, the setting of horizontal permanent magnet, utilize the cross slide rail to realize the horizontal direction with two vertical directions of level of quality piece and remove, the quality piece is at two-way removal in-process cutting magnetic field, the vertical permanent magnet of cooperation, horizontal permanent magnet forms the eddy current on the copper plate body separately, vertical compression spring and horizontal compression spring provide two main shaft direction's of level ascending rigidity, realized that harmonious mass damper level is horizontal, indulge the damping power consumption of two directions.
Description
Technical Field
The utility model relates to a harmonious mass damper technical field especially relates to a harmonious mass damper of horizontal two-way eddy current.
Background
The large-span bridge, pedestrian overpass, gallery bridge, stair, floor/roof, awning and other structures are all flexible structures, and can produce great vertical or horizontal vibration under the dynamic action of wind load, pedestrian excitation, equipment vibration, environmental vibration and the like, so that the comfort of personnel is poor, and even the structure can be damaged and collapsed.
To reduce the response of the structure, a more direct approach is to increase the cross section of the structural member and to increase the strength and elastic modulus of the material. However, it is often uneconomical to adopt such conventional methods for power application, and it is difficult to achieve the purpose of reducing the power response of the structure. Therefore, structural vibration damping control measures are widely concerned by scientific researchers and engineering technicians. Among them, the horizontal Tuned Mass Damper (TMD) system is adopted to effectively reduce the structural horizontal vibration response, and has been widely used.
Currently, the horizontal TMD is mainly composed of an inertial mass, a stiffness element, and a damping element, etc. The inertial mass and the spring form a spring-oscillator system, and when the frequency of the spring-oscillator system and the structural frequency are modulated, a dynamic vibration absorption device is formed. However, common products can only restrict the mass block to strictly move along a certain horizontal main shaft direction of the structure, so that vibration reduction can only be performed in the horizontal single main shaft direction, for many structural main bodies, vibration in the horizontal transverse and longitudinal main shaft directions is often required to be controlled, the existing tuned mass damper cannot achieve bidirectional vibration reduction, and if tuned mass dampers for vibration reduction in two directions are designed respectively, design cost, manufacturing cost and installation cost are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the horizontal bidirectional eddy current tuned mass damper aims to solve the problem that the existing tuned mass damper is insufficient.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a harmonious mass damper of horizontal two-way eddy current, includes peripheral steel structural framework, install symmetric distribution's slide rail cushion through the locating pin on the table wall in peripheral steel structural framework's the bottom, the slide rail cushion is provided with the cross slide rail, the up end of cross slide rail is provided with the quality piece, the lateral wall all around of quality piece is respectively through the interior table wall elastic connection of vertical compression spring and horizontal compression spring with peripheral steel structural framework, the central department of the lateral wall all around of quality piece is provided with vertical permanent magnet and horizontal permanent magnet respectively, the corresponding position of vertical permanent magnet and horizontal permanent magnet is provided with respectively through vertical copper bracket component and horizontal copper bracket component and peripheral steel structural framework connection.
As a further description of the above technical solution:
vertical copper bracket component and horizontal copper bracket component all include the copper plate body and mount, the copper plate body passes through the screw and fastens with the mount bolt, the mount passes through the bolt and installs in the waist shape of peripheral steel construction frame bottom plate downtheholely.
As a further description of the above technical solution:
the longitudinal permanent magnet and the transverse permanent magnet are both attached to the surface of the mass block and are fastened by screws, and a gap adjustable range of 0.5-5mm is reserved between the copper plate body and the longitudinal permanent magnet and between the copper plate body and the transverse permanent magnet.
As a further description of the above technical solution:
and the longitudinal compression spring and the transverse compression spring are respectively arranged in a preset spring supporting groove between the mass block and the peripheral steel structure frame.
As a further description of the above technical solution:
the mass block is connected with the cross slide rails in a sliding mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the cross slide rail, vertical compression spring, horizontal compression spring, vertical permanent magnet, the setting of horizontal permanent magnet, utilize the cross slide rail to realize the horizontal direction with two vertical directions of level of quality piece and remove, the quality piece is at two-way removal in-process cutting magnetic field, the vertical permanent magnet of cooperation, horizontal permanent magnet forms the eddy current on the copper plate body separately, vertical compression spring and horizontal compression spring provide two main shaft direction's of level ascending rigidity, realized that harmonious mass damper level is horizontal, indulge the damping power consumption of two directions.
2. The utility model discloses in, through the setting of vertical compression spring, horizontal compression spring, vertical permanent magnet, horizontal permanent magnet, copper, realized the harmonious mass damper of two directions damping, make harmonious mass damper's overall structure compact reasonable simultaneously, the installation of being convenient for has reduced the manufacturing cost and the installation cost of harmonious mass damper.
Drawings
Fig. 1 shows a schematic diagram of a three-dimensional structure of a horizontal bidirectional eddy current tuned mass damper according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an internal structure of a horizontal bidirectional eddy current tuned mass damper according to an embodiment of the present invention after a peripheral steel structural frame is hidden;
fig. 3 is a schematic top view of a horizontal bidirectional eddy current tuned mass damper according to an embodiment of the present invention after a peripheral steel structural frame is hidden;
fig. 4 shows a schematic three-dimensional structure diagram of a longitudinal copper plate bracket assembly/a transverse copper plate bracket assembly of a horizontal bidirectional eddy current tuned mass damper provided according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a three-dimensional structure of a horizontal bidirectional eddy current tuned mass damper according to an embodiment of the present invention after hiding a top plate and an internal mass block of a peripheral steel structural frame;
fig. 6 is a schematic view illustrating an installation structure of a cross slide rail and a slide rail cushion block of a horizontal bidirectional eddy current tuned mass damper provided according to an embodiment of the present invention;
illustration of the drawings:
1. a peripheral steel structural frame; 2. a cross slide rail; 3. a mass block; 4. a longitudinal compression spring; 5. a lateral compression spring; 6. a slide rail cushion block; 7. a longitudinal copper plate bracket assembly; 8. a transverse copper plate bracket assembly; 9. a longitudinal permanent magnet; 10. a transverse permanent magnet; 11. a fixed mount; 12. a copper plate body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a harmonious mass damper of horizontal two-way eddy current, including peripheral steel structural framework 1, install symmetric distribution's slide rail cushion 6 on the interior table wall of peripheral steel structural framework 1's bottom through the locating pin, carry out the depth of parallelism location through the amesdial between two slide rail cushion 6, ensure that quality piece 3 can realize reliable two-way slip, slide rail cushion 6 is provided with cross slide rail 2, the up end of cross slide rail 2 is provided with quality piece 3, the lateral wall all around of quality piece 3 is respectively through the interior table wall elastic connection of vertical compression spring 4 and horizontal compression spring 5 with peripheral steel structural framework 1, the center department of the lateral wall all around of quality piece 3 is provided with vertical permanent magnet 9 and horizontal permanent magnet 10 respectively, the corresponding position of vertical permanent magnet 9 and horizontal permanent magnet 10 is provided with respectively to be connected with peripheral steel structural framework 1 through vertical copper bracket component 7 and.
Specifically, as shown in fig. 2, each of the longitudinal copper plate bracket assembly 7 and the transverse copper plate bracket assembly 8 includes a copper plate body 12 and a fixing frame 11, the copper plate body 12 is bolted and fastened to the fixing frame 11 through screws, the fixing frame 11 is mounted in a kidney-shaped hole of a bottom plate of the peripheral steel structure frame 1 through bolts, and the longitudinal compression spring 4, the transverse compression spring 5, the longitudinal permanent magnet 9 and the transverse permanent magnet 10 are matched to provide horizontal bidirectional stiffness and damping.
Specifically, as shown in fig. 1, the longitudinal permanent magnet 9 and the transverse permanent magnet 10 are both attached to the surface of the mass block 3 and fastened by screws, a gap adjustable range of 0.5-5mm is left between the copper plate 12 and the longitudinal permanent magnet 9 and the transverse permanent magnet 10, and the required design parameters can be achieved by combining field debugging and detection.
Specifically, as shown in fig. 3, the longitudinal compression spring 4 and the transverse compression spring 5 are respectively disposed in a preset spring support groove between the mass block 3 and the peripheral steel structure frame 1, and can be designed into compression springs with different stiffness as required to provide stiffness in the directions of the two horizontal main shafts.
Specifically, as shown in fig. 2, the mass block 3 is slidably connected to the cross slide rail 2, so that the mass block 3 can perform guiding movement in two directions, i.e., horizontal and horizontal directions, the mass block 3 cuts a magnetic field during bidirectional movement, eddy currents are formed on respective copper plates, and damping energy consumption in the two directions, i.e., horizontal and vertical directions, is realized.
The working principle is as follows: when the tuned mass damper is used, the cross slide rail 2 realizes the guiding movement of the mass block 3 in the horizontal transverse direction and the horizontal longitudinal direction, the mass block 3 cuts a magnetic field in the two-way movement process, eddy currents are formed on the respective copper plate body 12 by matching with the longitudinal permanent magnet 9 and the transverse permanent magnet 10, the longitudinal compression spring 4 and the transverse compression spring 5 provide rigidity in the horizontal two main shaft directions, and the damping energy consumption of the tuned mass damper in the horizontal transverse direction and the vertical direction is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a harmonious mass damper of horizontal two-way eddy current, includes peripheral steel structural framework (1), its characterized in that, install symmetric distribution's slide rail cushion (6) through the locating pin on the table wall in the bottom of peripheral steel structural framework (1), slide rail cushion (6) are provided with cross slide rail (2), the up end of cross slide rail (2) is provided with quality piece (3), the lateral wall all around of quality piece (3) is respectively through the interior table wall elastic connection of vertical compression spring (4) and horizontal compression spring (5) with peripheral steel structural framework (1), the center department of the lateral wall all around of quality piece (3) is provided with vertical permanent magnet (9) and horizontal permanent magnet (10) respectively, the corresponding position of vertical permanent magnet (9) and horizontal permanent magnet (10) is provided with respectively through vertical copper bracket component (7) and horizontal copper bracket component (8) and is connected with peripheral steel structural framework (1).
2. The tuned mass damper of the horizontal bidirectional eddy current, according to claim 1, characterized in that the longitudinal copper plate bracket assembly (7) and the transverse copper plate bracket assembly (8) each comprise a copper plate body (12) and a fixing frame (11), the copper plate body (12) is bolted and fastened with the fixing frame (11) through screws, and the fixing frame (11) is installed in a kidney-shaped hole of the bottom plate of the peripheral steel structure frame (1) through bolts.
3. The tuned mass damper of the horizontal bidirectional eddy current according to claim 2, wherein the longitudinal permanent magnet (9) and the transverse permanent magnet (10) are both attached to the surface of the mass block (3) and fastened by screws, and a gap adjustable range of 0.5-5mm is left between the copper plate body (12) and the longitudinal permanent magnet (9) and the transverse permanent magnet (10).
4. The tuned mass damper according to claim 1, characterized in that the longitudinal compression springs (4) and the transversal compression springs (5) are placed in pre-set spring support grooves between the mass (3) and the peripheral steel structural frame (1), respectively.
5. The tuned mass damper according to claim 1, wherein said mass (3) is slidably connected to a cross slide (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698238.3U CN213597254U (en) | 2020-08-14 | 2020-08-14 | Horizontal bidirectional eddy current tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698238.3U CN213597254U (en) | 2020-08-14 | 2020-08-14 | Horizontal bidirectional eddy current tuned mass damper |
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| Publication Number | Publication Date |
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| CN213597254U true CN213597254U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021698238.3U Active CN213597254U (en) | 2020-08-14 | 2020-08-14 | Horizontal bidirectional eddy current tuned mass damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033623A (en) * | 2021-10-15 | 2022-02-11 | 株洲时代新材料科技股份有限公司 | Displacement tuning mass damper for tower of wind generating set |
-
2020
- 2020-08-14 CN CN202021698238.3U patent/CN213597254U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033623A (en) * | 2021-10-15 | 2022-02-11 | 株洲时代新材料科技股份有限公司 | Displacement tuning mass damper for tower of wind generating set |
| CN114033623B (en) * | 2021-10-15 | 2023-09-08 | 株洲时代新材料科技股份有限公司 | Displacement tuning mass damper for wind generating set tower |
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