CN214302317U - Frequency modulation mass damper capable of being assembled in modularization mode - Google Patents
Frequency modulation mass damper capable of being assembled in modularization mode Download PDFInfo
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- CN214302317U CN214302317U CN202022353834.4U CN202022353834U CN214302317U CN 214302317 U CN214302317 U CN 214302317U CN 202022353834 U CN202022353834 U CN 202022353834U CN 214302317 U CN214302317 U CN 214302317U
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Abstract
The utility model relates to a building shock attenuation technical field just discloses a but frequency modulation mass damper of modularization equipment. The utility model discloses a connecting plate, quality piece, spring, guide arm axle support, viscous damper, magnet and C type copper, the guide arm passes the spring of quality piece and upper and lower both sides, the guide arm both ends are fixed with guide arm axle support, guide arm axle support is fixed with the connecting plate, the static end and the connecting plate of both sides viscous damper are fixed, and the expansion end is fixed with the quality piece, magnet adsorbs in the quality piece side, C type copper both ends are fixed with the both sides connecting plate, and one set of eddy current subassembly is constituteed to every side magnet and C type copper. The utility model discloses modular design can singly use, also can a plurality of equipment uses.
Description
Technical Field
The utility model relates to a building shock attenuation technical field specifically is a but frequency modulation mass damper of modularization equipment.
Background
In order to control the vertical vibration of the large-span floor under the action of pedestrian excitation load, a frequency modulation mass damper is often adopted. Through the interaction between the frequency modulation mass damper and the main body structure, energy can be transferred from the main body structure to the energy consumption device in the frequency modulation mass damper, and the purpose of reducing the vibration of the main body structure is achieved.
Within a certain range, the larger the weight of the mass block of the frequency modulation mass damper is, the more obvious the vibration reduction effect is. However, the frequency-modulated mass dampers with a large weight put great demands on design, production and installation. For this purpose, a frequency-modulated mass damper is provided which can be assembled in a modular manner and can be used individually or in a plurality of combinations.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that above-mentioned prior art exists, provide a but frequency modulation mass damper of modularization equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the frequency modulation mass damper capable of being assembled in a modularized mode comprises a connecting plate, a mass block, springs, guide rods, guide rod shaft supports, viscous dampers, magnets and a C-shaped copper plate, wherein the guide rods penetrate through the springs on the upper side and the lower side of the mass block, the guide rod shaft supports are fixed at two ends of each guide rod and fixed with the connecting plate, the static ends of the viscous dampers on two sides are fixed with the connecting plate, the movable ends of the viscous dampers on two sides are fixed with the mass block, the magnets are adsorbed on the side faces of the mass block, two ends of the C-shaped copper plate are fixed with the connecting plates on two sides, and each magnet and the C-shaped copper plate on each side form an eddy current assembly.
Preferably, the periphery of the connecting plate is provided with mounting holes for assembling and connecting a plurality of frequency modulation mass dampers.
Preferably, the guide rod shaft support and the connecting plate, the damper and the mass block, the C-shaped copper plate and the connecting plate are detachably connected, so that the installation and the disassembly are convenient, and the increase and the decrease of the damper and the eddy current assembly are facilitated according to the needs.
Preferably, the guide rod shaft support is connected with the connecting plate, the damper static end and the connecting plate, and the damper movable end and the mass block through flanges, and the C-shaped copper plate is connected with the connecting plate through bolts.
Preferably, two long round holes are formed in two ends of the C-shaped copper plate respectively, and the bolts are mounted in the long round holes and used for adjusting the distance from the C-shaped copper plate to the magnets.
Preferably, the movable end of the viscous damper is detachably fixed with a T-shaped joint, and the T-shaped joint is fixed through a flange and a connecting plate.
Preferably, the 4 guide rod plane installation positions are symmetrically arranged along the center point of the frequency-modulated mass damper plane.
Preferably, the center points of the viscous dampers on the two sides are superposed with the center point of the frequency-modulated mass damper in the plane position.
Preferably, the number and the arrangement position of the magnets arranged on each side surface of the mass block are the same, and the magnets are respectively symmetrical to the vertical center line of the side surface of the mass block.
Preferably, the width of a projection plane of each C-shaped copper plate installed on the side face of the frequency modulation mass damper is larger than the installation width of the magnet, and the C-shaped copper plates are respectively in bilateral symmetry with respect to the vertical center line of the side face of the mass block.
Preferably, the tuned mass damper has the same height, length and width dimensions. The single module fm mass damper can be assembled both horizontally and vertically.
The utility model discloses technical effect lies in:
1. the single frequency modulation mass damper is used as a module, is easy to design and produce, and can be used singly or after being assembled in multiple ways according to requirements.
2. All parts of a single frequency modulation mass damper are symmetrically arranged, the length, the width and the height are the same, the single frequency modulation mass damper can be vertically installed and transversely installed during use, a plurality of frequency modulation mass dampers can be vertically combined and transversely combined during assembly, the frequency modulation mass dampers can also be simultaneously combined, the transverse installation proportion and the vertical installation proportion can be adjusted as required, and the combined frequency modulation mass dampers can control the vertical vibration of the structure and can control the transverse vibration of the structure.
3. Freely selecting and installing an energy consumption system according to requirements, and selectively installing 2 viscous dampers and 4 sets of eddy current assemblies when the energy consumption requirement is high; when the energy consumption requirement is low, the number of viscous dampers or electric eddy current assemblies can be properly reduced, the flexibility is high, and the application range is wide.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is an enlarged schematic structural view of one end of the C-shaped copper plate of the present invention;
fig. 4 is a schematic structural diagram of a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a third embodiment of the present invention;
fig. 7 is a schematic view of a connection structure according to a third embodiment of the present invention.
In the figure: 1. A connecting plate; 2. a mass block; 3. a spring; 4. a guide bar; 5. a guide rod shaft support; 6. a viscous damper; 7. a T-shaped joint; 8. a magnet; 9. a C-shaped copper plate; 10. a bolt; 11. a long round hole; 12. mounting a plate; 13. a screw; 14. a nut; 15. and (6) installing holes.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): a frequency modulation mass damper capable of being assembled in a modularized mode is shown in figures 1-3 and comprises a connecting plate, a mass block, springs, guide rods, guide rod shaft supports, viscous dampers, magnets and a C-shaped copper plate, wherein the guide rods penetrate through the mass block and the springs on the upper side and the lower side, the guide rod shaft supports are fixed to two ends of each guide rod, the guide rod shaft supports are fixed to the connecting plate, the static ends of the viscous dampers on two sides are fixed to the connecting plate, the movable ends of the viscous dampers on two sides are fixed to the mass block, the magnets are adsorbed to the side face of the mass block, two ends of the C-shaped copper plate are fixed to the connecting plates on two sides, and the magnets and the C-shaped copper plate on each side form a set of eddy current assembly.
And mounting holes are formed in the periphery of the connecting plate and used for assembling and connecting the plurality of frequency modulation mass dampers.
The guide rod shaft support is detachably connected with the connecting plate, the damper and the mass block, and the C-shaped copper plate and the connecting plate, so that the installation and the disassembly are convenient, and the damper and the eddy current assembly can be increased or decreased conveniently as required.
The guide rod shaft support is connected with the connecting plate, the damper static end and the connecting plate, and the damper movable end and the mass block through flanges, and the C-shaped copper plate is connected with the connecting plate through bolts.
Two long round holes are formed in two ends of the C-shaped copper plate respectively, and the bolts are mounted in the long round holes and used for adjusting the distance from the C-shaped copper plate to the magnets.
The movable end of the viscous damper is fixed with a T-shaped joint, the viscous damper and the T-shaped joint are detachably connected through threads or buckles, and the T-shaped joint is fixed through a flange and a connecting plate
The guide rod plane installation positions are symmetrically arranged along the center point of the frequency modulation mass damper plane, and four guide columns are arranged and are respectively arranged at four corners of the frequency modulation mass damper.
The center points of the viscous dampers on the two sides are superposed with the center point of the frequency modulation mass damper on the plane position.
The magnets arranged on each side face of the mass block are the same in number and arrangement positions, and are respectively symmetrical left and right relative to the vertical center line of the side face of the mass block.
The width of a projection plane of each C-shaped copper plate installed on the side face of the frequency modulation mass damper is larger than the installation width of the magnet, and the C-shaped copper plates are respectively symmetrical left and right relative to the vertical center line of the side face of the mass block.
The height, length and width dimensions of the frequency-modulated mass damper are the same. The single module fm mass damper can be assembled both horizontally and vertically.
The first embodiment is as follows: as shown in fig. 4, 2 viscous dampers and 4 sets of eddy current assemblies are installed on the frequency modulation mass damper of each single module, and the frequency modulation mass damper is vertically installed in two layers and is mainly used for controlling the vertical vibration of the structure.
Example two: as shown in fig. 5, the fm mass dampers are assembled in two layers, one vertically and one horizontally, for controlling both vertical and horizontal vibration of the structure.
Example three: as shown in fig. 6, the frequency-modulated mass damper is assembled into two layers, one layer is vertically installed, and the other layer is horizontally and vertically assembled, and is mainly used for controlling the vertical vibration of the structure and simultaneously considering the horizontal vibration.
As shown in fig. 7, during assembly, the fm mass dampers of each single module are fixed together by a mounting plate, a screw and a nut, and the screw is inserted into the mounting hole of the connecting plate and is in threaded connection with the mounting hole. The mounting plate can be a straight plate or a right-angle plate according to the structure of the mounting position. The installation is simple and convenient, can dismantle.
The utility model discloses can carry out single use or a plurality of post-assembling use as required. A single FM mass damper can be mounted vertically and laterally when in use. When the frequency modulation mass dampers are assembled, the mass dampers can be vertically combined and transversely combined, and can also be simultaneously combined, and the transverse and vertical installation proportion can be adjusted according to requirements. The combined frequency-modulated mass damper can control the vertical vibration of the structure and can control the transverse vibration of the structure. In addition, the energy consumption system can be freely and selectively installed according to the requirement. When the energy consumption requirement is high, two viscous dampers and 4 sets of eddy current assemblies are selectively installed; when the energy consumption requirement is low, the viscous damper or the eddy current component can be properly reduced. When the main structure vibrates, the mass block in the frequency modulation mass damper in the installation direction corresponding to the vibration direction vibrates, the vibration is transmitted to the viscous damper and the eddy current component, and energy is dissipated through the movement of the viscous damper and the resistance thermal effect of the copper plate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a but frequency modulation mass damper of modular assembly which characterized in that: the eddy current component comprises a connecting plate, a mass block, springs, guide rods, guide rod shaft supports, a viscous damper, magnets and a C-shaped copper plate, wherein the guide rods penetrate through the mass block and the springs on the upper side and the lower side, the guide rod shaft supports are fixed at two ends of the guide rods and are fixed with the connecting plate, the static end of the viscous damper is fixed with the connecting plate, the movable end of the viscous damper is fixed with the mass block, the magnets are installed on the side face of the mass block, two ends of the C-shaped copper plate are fixed with the connecting plates on the two sides, and the magnets and the C-shaped copper plate on each side form an eddy current component.
2. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: and mounting holes are formed in the periphery of the connecting plate.
3. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the guide rod shaft support is detachably connected with the connecting plate, the damper and the mass block, the C-shaped copper plate and the connecting plate, the guide rod shaft support is connected with the connecting plate, the stationary end of the damper and the connecting plate, the movable end of the damper and the mass block through flanges, and the C-shaped copper plate is connected with the connecting plate through bolts.
4. A modularly assemblable frequency modulated mass damper as claimed in claim 3, wherein: two long round holes are formed in two ends of the C-shaped copper plate respectively, and the bolts are installed in the long round holes.
5. A modularly assemblable frequency modulated mass damper as claimed in claim 3, wherein: the movable end of the viscous damper is detachably fixed with a T-shaped joint, and the T-shaped joint is fixed through a flange and a connecting plate.
6. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the guide rod plane installation positions are symmetrically arranged along the center point of the frequency modulation mass damper plane.
7. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the center point of the viscous damper is coincided with the center point of the frequency modulation mass damper at the plane position.
8. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the magnets arranged on each side face of the mass block are the same in number and arrangement positions, and are respectively symmetrical left and right relative to the vertical center line of the side face of the mass block.
9. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the width of a projection plane of each C-shaped copper plate installed on the side face of the frequency modulation mass damper is larger than the installation width of the magnet, and the C-shaped copper plates are respectively symmetrical left and right relative to the vertical center line of the side face of the mass block.
10. A modularly assemblable frequency modulated mass damper as claimed in claim 1, wherein: the height, length and width dimensions of the frequency-modulated mass damper are the same.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022353834.4U CN214302317U (en) | 2020-10-21 | 2020-10-21 | Frequency modulation mass damper capable of being assembled in modularization mode |
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| CN202022353834.4U CN214302317U (en) | 2020-10-21 | 2020-10-21 | Frequency modulation mass damper capable of being assembled in modularization mode |
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| CN214302317U true CN214302317U (en) | 2021-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483877A (en) * | 2022-03-24 | 2022-05-13 | 中南大学 | Gravity compensation nonlinear energy trap vibration damper |
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2020
- 2020-10-21 CN CN202022353834.4U patent/CN214302317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483877A (en) * | 2022-03-24 | 2022-05-13 | 中南大学 | Gravity compensation nonlinear energy trap vibration damper |
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