CN211081208U - Annular water tank T L D vibration damper - Google Patents
Annular water tank T L D vibration damper Download PDFInfo
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- CN211081208U CN211081208U CN201921625611.XU CN201921625611U CN211081208U CN 211081208 U CN211081208 U CN 211081208U CN 201921625611 U CN201921625611 U CN 201921625611U CN 211081208 U CN211081208 U CN 211081208U
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Abstract
The utility model discloses an annular water tank T L D shock absorber device, the device includes annular water tank, baffle, supporting seat, apron, annular water tank design be in order to install the vibration damper in cylindrical tower equipment near the position on top, the baffle in the middle of the trompil, match with annular water tank, can evenly install in annular water tank a week, the supporting seat constitute by steel grating board, soft backing plate, I-steel and gusset, evenly weld the round all around of tower equipment, apron and annular water tank phase-match play and cover rain-proof effect, the utility model discloses utilize resonance's principle to consume the energy that equipment vibration produced, when tower equipment produces because outside excitation and rocks, rely on the design of annular water tank, no matter from what direction produce rock, all can drive the fluid in the water tank and move together, and the fluid produces opposite direction's motion with tower equipment under the inertia effect, has reached the purpose of power consumption promptly.
Description
Technical Field
The utility model relates to a damping control technical field, concretely relates to T L D vibration damper that is used for cyclic annular water tank type of tower equipment.
Background
The petrochemical industry has a large number of towering towers, and the towering towers have high flexibility due to the structural characteristics of the towering towers, are sensitive to wind load, and are analyzed, in the actual wind load process, the vibration in the transverse wind direction, namely the wind-induced vibration is often much larger than the vibration in the wind direction, so that the tower body vibrates frequently, the tower body structure and the base connecting part are easy to generate fatigue cracks due to bearing fatigue load for a long time, so that the structural integrity of the tower body brings hidden dangers, and the problem of how to solve the damping problem of the towering tower equipment is always concerned.
Compared with the traditional structure design method, the vibration control method gradually develops from a method of resisting environmental loads by only changing the self performance of the structure into a method of actively controlling the dynamic response of the structure by a structure-wind-resistant and earthquake-resistant vibration control system. Currently, common vibration control technologies can be divided into passive control, active control, semi-active control, intelligent control and hybrid control. The existing vibration control methods mainly comprise methods of vibration elimination, vibration isolation, dynamic vibration absorption, damping vibration attenuation and the like.
The vibration reduction principle of the tuned liquid damper (T L D) is that an external excitation makes a structure vibrate, so that the T L D damper is driven to move, and through the shaking of liquid in a box body, the energy of the structural vibration is dissipated and tuned by friction force generated by the shaking of boundary layer liquid and broken waves generated under strong excitation, so that the structure is controlled.
In order to overcome the drawback above, the utility model provides an annular water tank T L D vibration damper for tower equipment the utility model discloses utilize the resonance effect to combine traditional T L D damping principle, design annular T L D vibration damper, utilize the baffle to divide into a plurality of parts with it, all have miniature T L D vibration damper on being equivalent to each direction, and install it around the top of tower equipment, realized the vibration control of a plurality of directions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an annular water tank T L D vibration damper for tower equipment mainly aims at the high structure vibration control that stands, aims at reducing its vibration reaction under wind vibration and earthquake load effect to reach the effect that the damping was power consumptive, the utility model discloses a resonant frequency of T L D vibration damper is controlled to the liquid depth in the annular water tank, thereby caters to the natural frequency of tower equipment structure, and then the vibration effect of effectual control structure, the device turns into rocking and the frictional energy of liquid with the energy of structure vibration, thereby plays the damping effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a T L D vibration damper for an annular water tank of tower equipment comprises the annular water tank surrounding a tower body and a support for supporting the water tank, wherein the support comprises an annular steel grating plate, an annular soft base plate, I-shaped steel and supporting rib plates welded around the tower equipment, a plurality of uniformly distributed I-shaped steel are welded below the annular steel grating plate, one end, close to the tower body, of the I-shaped steel is welded on the tower body, the annular soft base plate is arranged at the bottom of the annular water tank, a plurality of supporting rib plates are welded below the I-shaped steel, the other end of each supporting rib plate is welded on the tower body, and a fixing seat for fixing the annular water tank is welded on the annular steel grating plate.
Furthermore, a plurality of partition plates are arranged in the annular water tank to divide the annular water tank into a plurality of small parts T L D vibration reduction structures, and holes are formed in the middle of the partition plates for treatment.
Further, the number of the partition plates is selected according to the diameter of the tower equipment.
Further, a cover plate is arranged on the annular water tank; the annular box body is internally provided with anti-freezing liquid for damping.
Furthermore, the height of the outer side plate surface of the annular water tank is higher than that of the inner side plate surface of the annular water tank.
Furthermore, six uniform tower bodies are selected as the I-steel.
The device is fixed at the top of a high-rise structure, under the action of earthquake or wind load, a controlled structure vibrates to drive liquid in an annular water tank to shake together, and through the shaking of the liquid in the annular water tank, the energy of the structural vibration is dissipated and modulated by friction force generated by the shaking of boundary layer liquid and broken waves generated under strong excitation, so that the control of the structure is realized.
The utility model has the advantages as follows:
the utility model discloses can adjust damping device's resonant frequency through adjustable annular water tank internal liquid, reach the best effect when being close tower equipment natural frequency promptly. The vibration damper has the advantages of simple structure, reasonable manufacturing cost, simple use and larger frequency adjusting range.
Drawings
Fig. 1 is a schematic structural diagram of an annular water tank T L D damping device for a tower apparatus according to the present invention;
FIG. 2 is a side view of the annular water tank;
fig. 3 is a sectional view of the ring-shaped water tank.
In the figure: 1-annular steel grating plate, 2-tower body, 3-I-steel, 4-supporting rib plate, 5-annular water tank, 6-partition plate, 7-cover plate, 8-annular soft backing plate and 9-fixing seat.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings and technical solutions.
As shown in fig. 1, the annular water tank T L D vibration damper for a tower apparatus of the present invention is installed around the top of the tower apparatus.
The annular water tank T L D vibration damper for tower equipment comprises an annular water tank 5 surrounding a tower body 2 and a support for supporting the water tank, wherein the support comprises an annular steel grating plate 1, an annular soft backing plate 8, I-shaped steels 3 and supporting rib plates 4 welded around the tower equipment, a plurality of uniformly distributed I-shaped steels 3 are welded below the annular steel grating plate 1, one ends of the I-shaped steels 3 close to the tower body 2 are welded on the tower body, the annular soft backing plate 8 is arranged at the bottom of the annular water tank 5, a plurality of supporting rib plates 4 are welded below the I-shaped steels, the other ends of the supporting rib plates 4 are welded on the tower body, and a fixing seat 9 for fixing the annular water tank is welded on the annular steel grating plate 1.
As shown in figures 2 and 3, a plurality of partition plates 6 are arranged in the annular water tank 5 to divide the annular water tank 5 into a plurality of small parts T L D in equal parts, the number of the partition plates 6 is selected according to the diameter of the tower equipment, a cover plate 7 is arranged on the annular water tank 5, and anti-freezing liquid for vibration reduction is filled in the annular water tank 5.
The annular water tank 5, the partition plate 6 and the cover plate 7 belong to the same material, and are made of stainless steel, and the surface coating is treated to prevent the annular water tank from being corroded in rainy and snowy weather. The partition plate 6 is provided with a hole in the middle, so that the liquid in the annular water tank 5 can be kept at the same horizontal level, and the unbalanced condition caused by different liquid heights can be avoided.
The height of the outer side plate surface of the annular water tank 5 is higher than that of the inner side, so that rainwater can automatically flow away and is not retained in the tank body to cause corrosion.
The purpose of selecting the annular steel grating plate 1 is as follows: (1) in order to enable workers to stop on the device for maintenance; (2) the steel grating plate effectively filters rainwater, can reduce the corrosion condition.
And selecting liquid in the annular water tank 5, and selecting proper anti-freezing liquid if the tower equipment is higher.
The I-shaped steel 3 is used for supporting, six tower bodies are uniformly distributed around the tower body, and the I-shaped steel is arranged below the annular steel grating plate 1.
The device is fixed around the top of tower body, and under earthquake or wind load effect, the controlled structure takes place the vibration, drives the liquid in the water tank and rocks together to through rocking of liquid in the cyclic annular water tank, the energy of structural vibration is by the frictional force of rocking produced of boundary layer liquid, the broken wave that produces under the strong excitation and the dissipation transfers, thereby realizes the control to the structure, reaches the damping effect.
In the present embodiment, the depth of the antifreeze solution and the installation position of the damping control device of the annular water tank T L D should be determined according to the specific situation of the structure, so as to achieve the best damping effect.
The utility model discloses an in the tower equipment has been used to T L D vibration damper successfully to the design that provides cyclic annular water tank T L D vibration damper, traditional T L D vibration damper often can only control the vibration of the single direction of structure, and the utility model discloses a baffle design of trompil for this vibration damper has played good effect, has both guaranteed the horizontality of liquid level, has guaranteed the multidirectional again, no matter outside excitation arouses the vibration of any direction of tower equipment, and this vibration damper can both play due damping effect.
The above embodiments of the present invention are not right the utility model discloses a limit of scope, the utility model discloses an embodiment is not limited to this, and all this kind of basis according to the utility model discloses an above-mentioned content, according to the ordinary technical knowledge and the conventional means in this field, is not deviating from the utility model discloses under the above-mentioned basic technical thought prerequisite, right the utility model discloses other multiple forms's that above-mentioned structure was made modification, replacement or change all should fall within the scope of protection of the utility model discloses an.
Claims (6)
1. A T L D vibration damper for an annular water tank of tower equipment comprises the annular water tank (5) surrounding a tower body (2) and a support for supporting the water tank, and is characterized in that the support comprises an annular steel grating plate (1), an annular soft base plate (8), I-shaped steels (3) and supporting rib plates (4) welded around the tower equipment, wherein a plurality of uniformly distributed I-shaped steels (3) are welded below the annular steel grating plate (1), one ends of the I-shaped steels (3) close to the tower body (2) are welded on the tower body, the annular soft base plate (8) is arranged at the bottom of the annular water tank (5), a plurality of supporting rib plates (4) are welded below the I-shaped steels (3), the other ends of the supporting rib plates (4) are welded on the tower body, and fixing seats (9) for fixing the annular water tank are welded on the annular steel grating plate (1).
2. The damping device of the annular water tank T L D for the tower equipment as claimed in claim 1, wherein the annular water tank (5) is provided with a plurality of partitions (6) therein to divide the annular water tank (5) into a plurality of small parts T L D damping structure equally, and the middle of each partition (6) is provided with a hole.
3. The damping device of an annular water tank T L D for a tower apparatus according to claim 2, wherein the number of said dividing walls (6) is selected according to the diameter of the tower apparatus.
4. The damping device of the annular water tank T L D for the tower equipment as claimed in claim 2, wherein the annular water tank (5) is provided with a cover plate (7), and the annular water tank (5) is filled with an anti-freezing solution for damping.
5. The damping device of the annular water tank T L D for the tower equipment as claimed in claim 1, wherein the height of the outer plate surface of the annular water tank (5) is higher than that of the inner plate surface.
6. The annular water tank T L D vibration damper for tower equipment according to claim 1, wherein the I-steel (3) is selected from six pieces uniformly distributed around the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625611.XU CN211081208U (en) | 2019-09-27 | 2019-09-27 | Annular water tank T L D vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625611.XU CN211081208U (en) | 2019-09-27 | 2019-09-27 | Annular water tank T L D vibration damper |
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| Publication Number | Publication Date |
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| CN211081208U true CN211081208U (en) | 2020-07-24 |
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| CN201921625611.XU Active CN211081208U (en) | 2019-09-27 | 2019-09-27 | Annular water tank T L D vibration damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512935A (en) * | 2019-09-27 | 2019-11-29 | 浙江工业大学 | A kind of cyclic annular water tank TLD vibration absorber for tower |
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2019
- 2019-09-27 CN CN201921625611.XU patent/CN211081208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512935A (en) * | 2019-09-27 | 2019-11-29 | 浙江工业大学 | A kind of cyclic annular water tank TLD vibration absorber for tower |
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Effective date of registration: 20211103 Address after: 211899 room 2427, hatch Eagle building, No. 99, Tuanjie Road, yanchuang Park, Nanjing area, China (Jiangsu) pilot Free Trade Zone, Nanjing, Jiangsu Patentee after: Nanjing Haike Intelligent Manufacturing Research Institute Co.,Ltd. Address before: 310014 science and technology office, Zhejiang University of Technology, No. 18 Chao Wang Road, Xiacheng District, Hangzhou, Zhejiang Patentee before: ZHEJIANG University OF TECHNOLOGY |