CN217232955U - Novel steel construction TMD shock attenuation device - Google Patents
Novel steel construction TMD shock attenuation device Download PDFInfo
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- CN217232955U CN217232955U CN202220881000.7U CN202220881000U CN217232955U CN 217232955 U CN217232955 U CN 217232955U CN 202220881000 U CN202220881000 U CN 202220881000U CN 217232955 U CN217232955 U CN 217232955U
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- tmd
- inertia
- damping
- shock attenuation
- damper
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 230000035939 shock Effects 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title abstract description 5
- 238000013016 damping Methods 0.000 claims abstract description 52
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a novel steel construction TMD shock attenuation device, including the load board, the load board bottom end face left and right sides is connected with left branch dagger and right branch dagger respectively, the side is connected with the crossbeam around between left branch dagger and the right branch dagger, and the left and right sides is connected with the longeron between the crossbeam of front and back side, and the longeron top of the left and right sides is provided with TMD damper. When the load board produces the vibration under the external excitation effect, the power of vibration passes through left branch dagger and right branch dagger and transmits on crossbeam and longeron, and transmit for TMD damper, drive TMD damper together vibrate, the shock attenuation inertia steel sheet among the TMD damper vibrates from top to bottom, and with the inertia reaction that produces to structural, tune this inertia, make its vibration to the main structure produce the coordination, thereby reduce the vibration reaction of structure, improve the structural comfort, reduce the fatigue damage of structure, response to the long period, narrow band's dynamic load arouses has fine damping effect, be worth using widely.
Description
Technical Field
The utility model relates to a building technical field especially relates to a novel steel construction TMD shock attenuation device.
Background
In the design of a traditional floor slab or a bridge deck, the crowd load is generally simplified into static load, and the dynamic effect of the crowd load is not considered. In practical situations, the crowd load belongs to dynamic load, and in the traditional design method, although the strength of a floor slab or a bridge deck slab is damaged due to the fact that the floor slab or the bridge deck slab cannot meet the bearing capacity requirement, the conditions of floor slab damage and casualties caused by vibration of the floor slab and the bridge deck slab sometimes occur.
Along with the development of technical level, large-span, structures such as long cantilever structure constantly emerge, and floor comfort degree problem receives designer's attention increasingly. The root of the problem of the comfort level of the floor slab is that the vertical frequency of the floor slab is small, and when the vertical frequency of the floor slab is close to the walking frequency of people, the resonance phenomenon of the floor slab is easy to cause. In order to solve the problems, on the basis of long-term research on vibration reduction technology, Chinese scholars combine a large amount of engineering practice experiences, and research shows that a TMD system has a good vibration reduction effect on response caused by long-period and narrow-frequency-band dynamic load, so that a novel steel structure TMD damping device is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel steel structure TMD shock absorption device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel steel structure TMD damping device comprises a load plate, wherein the left side and the right side of the bottom end face of the load plate are respectively connected with a left supporting column and a right supporting column, cross beams are connected between the left supporting column and the right supporting column at the front side and the rear side, longitudinal beams are connected between the cross beams at the front side and the rear side at the left side and the right side, and TMD damping components are arranged above the longitudinal beams at the left side and the right side;
the TMD shock attenuation subassembly includes shock attenuation inertia steel sheet, be connected with damping spring around the shock attenuation inertia steel sheet bottom face and between the crossbeam of front and back side, be connected with the attenuator between shock attenuation inertia steel sheet bottom face and crossbeam and the longeron.
Furthermore, the damping inertia steel plate is detachably connected with the damping spring and the damper.
Further, the damper adopts a VFD viscous damper.
Furthermore, the damper, the damping spring and the damping inertia steel plate are made of alloy steel.
Compared with the prior art, the beneficial effects of the utility model reside in that:
to sum up, the utility model discloses simple structure, the structure is clear and understandable, including installing the TMD damper in load board below, when the load board produces the vibration under the external excitation effect, the power of vibration passes through left branch dagger and right branch dagger and transmits on crossbeam and longeron, and transmit for TMD damper, it vibrates together to drive TMD damper, vibrations about the shock attenuation inertia steel sheet among the TMD damper, and the inertia reaction that will produce is structural, harmonious this inertia, make its vibration to the main structure produce the coordination, thereby reduce the vibration reaction of structure, improve structural comfort, reduce the fatigue damage of structure, to the long period, the response that the dynamic load of narrow band arouses has fine damping effect, be worth using widely.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic perspective view of a novel TMD damping device with a steel structure according to the present invention;
fig. 2 is an exploded perspective view of a novel TMD damping device with a steel structure according to the present invention;
fig. 3 is the utility model provides a novel steel construction TMD shock attenuation device's stress structure schematic diagram.
In the figure: 1-longitudinal beam, 2-cross beam, 3-left support column, 4-load plate, 5-TMD shock absorption assembly, 6-right support column, 7-shock absorption inertia steel plate, 8-shock absorption spring and 9-damper.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the novel steel structure TMD damping device comprises a load plate 4, wherein a left supporting column 3 and a right supporting column 6 are respectively connected to the left side and the right side of the bottom end face of the load plate 4, cross beams 2 are connected between the left supporting column 3 and the right supporting column 6 at the front side and the rear side, longitudinal beams 1 are connected between the cross beams 2 at the front side and the rear side at the left side and the right side, and TMD damping components 5 are arranged above the longitudinal beams 1 at the left side and the right side;
the TMD shock absorption assembly 5 comprises a shock absorption inertia steel plate 7, shock absorption springs 8 are connected between the periphery of the bottom end face of the shock absorption inertia steel plate 7 and the cross beams 2 on the front side and the rear side, and dampers 9 are connected between the bottom end face of the shock absorption inertia steel plate 7 and the cross beams 2 and the longitudinal beams 1.
The utility model relates to a novel steel structure TMD damping device, which comprises a TMD damping component 5 arranged below a load plate 4, wherein the TMD damping component 5 comprises a damping inertia steel plate 7, damping springs 8 are connected around the bottom end surface of the damping inertia steel plate 7 and between cross beams 2 at the front side and the rear side, and dampers 9 are connected between the bottom end surface of the damping inertia steel plate 7 and the cross beams 2 and longitudinal beams 1, in particular, when the load plate 4 vibrates under the action of external excitation, the vibration force is transmitted to the cross beams 2 and the longitudinal beams 1 through a left supporting column 3 and a right supporting column 6 and is transmitted to the TMD damping component 5 to drive the TMD damping component 5 to vibrate together, the damping inertia steel plate 7 in the TMD damping component 5 vibrates up and down and counteracts the generated inertia force to the structure, and tunes the inertia force to generate coordination action on the vibration of the main structure, thereby reducing the vibration reaction of the structure, improve the structural comfort level, reduce the fatigue damage of structure.
The damping inertia steel plate 7 is detachably connected with the damping spring 8 and the damper 9, so that the assembly, disassembly and maintenance are convenient.
The damper 9 is a VFD viscous damper which is an oil cylinder type structure filled with damping media, the reciprocating motion of a piston drives the flow of internal media to generate a damping effect, and then kinetic energy is converted into energy dissipation and shock absorption devices of heat energy.
The damper 9, the damping spring 8 and the damping inertia steel plate 7 are all made of alloy steel, so that the structural strength is high, and the service life is long.
The utility model discloses a theory of operation and use flow: the utility model relates to a novel steel structure TMD damping device, which comprises a TMD damping component 5 arranged below a load plate 4, wherein the TMD damping component 5 comprises a damping inertia steel plate 7, damping springs 8 are connected around the bottom end surface of the damping inertia steel plate 7 and between the cross beams 2 at the front side and the rear side, and dampers 9 are connected between the bottom end surface of the damping inertia steel plate 7 and between the cross beams 2 and the longitudinal beams 1, in particular, when the load plate 4 generates vibration under the external excitation action, the vibration force is transmitted to the cross beams 2 and the longitudinal beams 1 through a left support column 3 and a right support column 6 and is transmitted to the TMD damping component 5 to drive the TMD damping component 5 to vibrate together, the damping inertia steel plate 7 in the TMD damping component 5 vibrates up and down and counteracts the generated inertia force to the structure, and tunes the inertia force to generate coordination action on the vibration of the main structure, thereby reducing the vibration reaction of the structure, improve the structural comfort level, reduce the fatigue damage of structure.
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 (4)
1. A novel steel structure TMD damping device comprises a load plate (4), and is characterized in that the left side and the right side of the bottom end face of the load plate (4) are respectively connected with a left supporting column (3) and a right supporting column (6), the front side and the rear side between the left supporting column (3) and the right supporting column (6) are connected with cross beams (2), the left side and the right side between the cross beams (2) at the front side and the rear side are connected with longitudinal beams (1), and TMD damping components (5) are arranged above the longitudinal beams (1) at the left side and the right side;
the TMD shock attenuation subassembly (5) are including shock attenuation inertia steel sheet (7), be connected with damping spring (8) around shock attenuation inertia steel sheet (7) bottom face and between crossbeam (2) of front and back side, be connected with attenuator (9) between shock attenuation inertia steel sheet (7) bottom face and crossbeam (2) and longeron (1).
2. The TMD damping device of new steel structure as claimed in claim 1, wherein the damping inertia steel plate (7) is detachably connected with the damping spring (8) and the damper (9).
3. A new steel structure TMD damping device according to claim 2, characterized in that said damper (9) is a VFD viscous damper.
4. The TMD damping device of the novel steel structure is characterized in that the damper (9), the damping spring (8) and the damping inertia steel plate (7) are made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881000.7U CN217232955U (en) | 2022-04-15 | 2022-04-15 | Novel steel construction TMD shock attenuation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881000.7U CN217232955U (en) | 2022-04-15 | 2022-04-15 | Novel steel construction TMD shock attenuation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217232955U true CN217232955U (en) | 2022-08-19 |
Family
ID=82818261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220881000.7U Expired - Fee Related CN217232955U (en) | 2022-04-15 | 2022-04-15 | Novel steel construction TMD shock attenuation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217232955U (en) |
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2022
- 2022-04-15 CN CN202220881000.7U patent/CN217232955U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |