CN111622368A - Low-frequency mass tuning vibration damper - Google Patents
Low-frequency mass tuning vibration damper Download PDFInfo
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- CN111622368A CN111622368A CN202010475626.3A CN202010475626A CN111622368A CN 111622368 A CN111622368 A CN 111622368A CN 202010475626 A CN202010475626 A CN 202010475626A CN 111622368 A CN111622368 A CN 111622368A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention discloses a low-frequency tuned mass damper, and belongs to the technical field of vibration reduction of civil engineering structures. The device comprises a spiral steel spring, a spring support, a spring and a spring, wherein the spiral steel spring is arranged between a mass block and the spring support which are arranged in a highly overlapped mode and between the spring support and; the spring height overlapping arrangement support is provided with a height dislocation boss, and the spiral steel springs on the upper side and the lower side of the same spring height overlapping arrangement support are respectively matched with the height dislocation boss so as to be in a local height overlapping state; the damping device is arranged between the mass block and the spring height overlapping arrangement bracket, or/and the mass block and the horizontal bracket, or/and the adjacent spring height overlapping arrangement bracket, or/and the spring height overlapping arrangement bracket and the horizontal bracket; can be suitable for controlling the vibration of the structure with the frequency of 0.5Hz or even lower.
Description
Technical Field
The invention belongs to the technical field of vibration reduction of civil engineering structures, and particularly relates to a tuned mass damper for controlling low-frequency vibration of a building structure.
Background
With the development of urban construction, various high-rise and super high-rise buildings, fine high-structure buildings and large-span buildings are increasing day by day, and the problem that prevention and control of destructive resonance of large-span and low-frequency structures becomes a practical problem which has to be solved in engineering construction is solved. When the structure is disturbed by the exciting force to vibrate, the resonance of the mass tuned vibration absorber is caused, and the vibration inertia force of the tuned mass is used for counteracting the structure, so that the exciting force is counteracted, and the purpose of reducing the structural reaction is achieved. In order to exert the vibration damping effect of the mass tuned vibration damper to the maximum extent, the natural frequency of the mass tuned vibration damper is required to be consistent with the natural vibration frequency of the main structure as far as possible, otherwise, the vibration damping effect of the TMD is greatly reduced. For a common compression elastic element, namely a spiral steel spring, the common compression elastic element is widely applied to medium and high frequency mass tuned vibration absorbers due to the obvious advantages of stable performance parameters, small influence from natural environment, long service life and the like. However, it is theorized that the required static compression of the compression spring for a tuned mass damper with a tuned frequency of 0.5Hz is up to 1m, and more so, up to 4m for a tuned mass damper with a tuned frequency of 0.25 Hz. Therefore, in practice, due to reasons such as installation space and manufacturing difficulty, the coil steel spring cannot be widely applied to the field of low-frequency tuned damping with a tuning frequency of 0.5Hz or less.
Disclosure of Invention
The invention aims to overcome the defects and provide a low-frequency mass tuned vibration absorber which has a compact space structure and can be suitable for controlling the vibration of a 0.5Hz or even lower frequency structure.
The low-frequency mass tuning vibration absorber comprises a spiral steel spring, a damping device and a mass block, wherein the mass block is elastically supported by the spiral steel spring, and the low-frequency mass tuning vibration absorber also comprises at least one spring height overlapped arrangement bracket and at least one horizontal bracket, wherein the spiral steel spring is arranged between the mass block and the spring height overlapped arrangement bracket and between the spring height overlapped arrangement bracket and the horizontal bracket, or the spiral steel spring is arranged between the mass block and the spring height overlapped arrangement bracket, between adjacent spring height overlapped arrangement brackets and between the spring height overlapped arrangement bracket and the horizontal bracket; the spring height overlapping arrangement support is provided with a height dislocation boss, and the spiral steel springs on the upper side and the lower side of the same spring height overlapping arrangement support are respectively matched with the height dislocation boss so as to be in a local height overlapping state; the damping device is arranged between the mass and the spring high-overlapping arrangement bracket or/and between the mass and the horizontal bracket or/and between the adjacent spring high-overlapping arrangement brackets or/and between the spring high-overlapping arrangement bracket and the horizontal bracket.
For improved safety and stability, a motion guide may also be included in the low frequency mass tuned absorber of the present invention. The motion guide piece is fixed on the lowest horizontal bracket and penetrates through the mass block positioned above, or penetrates through the spring positioned above to be overlapped in height, and the bracket, the horizontal bracket and the mass block are overlapped in height; in addition, the motion guide piece can be fixed on a horizontal bracket or a bracket with a spring height overlapped arrangement and penetrates through a middle cavity of the spiral steel spring; in addition, the low-frequency mass tuned vibration absorber can further comprise a guide wheel matched with the motion guide, and the guide wheel is fixedly arranged on at least one of a support, a horizontal support or a mass which is arranged on the upper portion and is penetrated by the motion guide in a highly overlapping mode. It should be noted that, as a specific example, the lowermost horizontal bracket may be integrated with the structure to be damped, specifically, the lowermost horizontal bracket may be fixed to the structure to be damped, or a partial structure on the structure to be damped may be used as the lowermost horizontal bracket.
The specific structural form of the motion guide rod piece is various, the motion guide rod piece can be made of materials such as steel pipes, steel bars, I-shaped steel or channel steel, of course, the motion guide rod piece can also be made of other sectional materials or welding assemblies, and the motion guide rod piece can be applied to the invention as long as the strength is enough, and can be selected according to the actual engineering situation in practical application.
In addition, the arrangement mode of the height-staggered boss can be various, for example, the height-staggered boss can be formed by locally bending a spring height-overlapped arrangement bracket, a spiral steel spring on the upper side of the same spring height-overlapped arrangement bracket is supported at the bottom of the height-staggered boss, and a spiral steel spring on the lower side of the same spring height-overlapped arrangement bracket is supported at the top of the height-staggered boss; the height dislocation boss also can be arranged by the spring height and overlap and constitute the sleeve of stepping down of fixed setting on the support, and the sleeve of stepping down crisscross setting highly overlaps at the spring and arranges the upper surface and the lower surface of support, and same spring height overlaps the spiral steel spring support of arranging the support upside and is being located the bottom that highly overlaps the height dislocation boss of arranging the support lower surface at this spring, and the spiral steel spring support of its downside is being located the top that highly overlaps the height dislocation boss of arranging the support upper surface at this spring.
In addition, in the low-frequency mass tuned vibration absorber, the spiral steel springs on the upper side and the lower side of the support can be arranged in a partially nested manner by utilizing the same spring height, so that a spring assembly is formed, and then a plurality of spring assemblies are used as elastic elements to be matched with the mass block for tuned vibration absorption.
According to the low-frequency mass tuned vibration absorber, the spring height overlapping arrangement support is additionally arranged, and the height of the spiral steel springs arranged on the upper side and the lower side of the spring height overlapping arrangement support is partially overlapped, so that the static deformation and the dynamic deformation of the spiral steel springs are correspondingly in a partially overlapped state when the spiral steel springs are deformed, the actual dynamic and static deformation total amount of the low-frequency mass tuned vibration absorber is greatly reduced, and the total installation space occupied by a system is effectively reduced; in addition, a plurality of spiral steel springs are connected in series to form a compression elastic element with low rigidity and large compression amount, the processing and manufacturing difficulty of a single elastic element is obviously reduced, and the compression type spiral steel spring can be widely applied in the field of low-frequency tuning vibration reduction with the tuning frequency of 0.5Hz or below.
The low-frequency mass tuned vibration absorber has the advantages of compact spatial structure, stable performance, long service life and the like, can be suitable for controlling the vibration of a 0.5Hz or even lower frequency structure, has very excellent cost performance, effectively expands the application range of a tuned mass vibration absorber product with a compression type spiral steel spring as an elastic supporting element, and has very wide market application prospect.
Drawings
FIG. 1 is a schematic diagram of the construction of a low frequency mass tuned absorber in accordance with the present invention.
FIG. 2 is a second schematic diagram of the structure of the low frequency tuned mass damper of the present invention.
FIG. 3 is a third schematic structural view of the low frequency mass tuned absorber of the present invention.
FIG. 4 is a fourth schematic structural diagram of the low frequency tuned mass damper of the present invention.
Fig. 5 is a top view of fig. 4.
FIG. 6 is a fifth schematic structural view of the low frequency tuned mass damper of the present invention.
Detailed Description
Example one
As shown in fig. 1, the low-frequency tuned mass damper of the present invention comprises a coil steel spring 3, a damping device 2 and a mass block 1, wherein the mass block 1 is elastically supported by the coil steel spring 3, and further comprises a spring height overlapping arrangement support 4 and a horizontal support 5, wherein the coil steel spring 3 is divided into two height levels which are respectively arranged between the mass block 1 and the spring height overlapping arrangement support 4 and between the spring height overlapping arrangement support 4 and the horizontal support 5; the spring high-overlapping arrangement support 4 is provided with a high-dislocation boss, the high-dislocation boss is formed by locally bending the spring high-overlapping arrangement support, the spiral steel springs on the upper side and the lower side of the same spring high-overlapping arrangement support are respectively matched with the high-dislocation boss so as to be in a local high-overlapping state, and specifically, the spiral steel springs 3 on the upper side and the lower side of the spring high-overlapping arrangement support 4 are respectively supported at the bottom and the top of the high-dislocation boss so as to be in a local high-overlapping state; the damping device 2 is arranged between the mass 1 and the spring highly overlapping arrangement 4.
When the low-frequency tuned mass damper is applied, the low-frequency tuned mass damper is placed or fixedly arranged on a structure to be damped according to the actual engineering situation. According to the low-frequency mass tuned vibration absorber, the spring height overlapping arrangement support is additionally arranged, and the height of the spiral steel springs arranged on the upper side and the lower side of the spring height overlapping arrangement support is partially overlapped, so that the static deformation and the dynamic deformation of the spiral steel springs are correspondingly in a partially overlapped state when the spiral steel springs are deformed, the actual dynamic and static deformation total amount of the low-frequency mass tuned vibration absorber is greatly reduced, and the total installation space occupied by a system is effectively reduced; in addition, a plurality of spiral steel springs are connected in series to form a compression elastic element with low rigidity and large compression amount, the processing and manufacturing difficulty of a single elastic element is obviously reduced, and the compression type spiral steel spring can be widely applied in the field of low-frequency tuning vibration reduction with the tuning frequency of 0.5Hz or below.
The low-frequency mass tuned vibration absorber has the advantages of compact spatial structure, stable performance, long service life and the like, can be suitable for controlling the vibration of a 0.5Hz or even lower frequency structure, has very excellent cost performance, effectively expands the application range of a tuned mass vibration absorber product with a compression type spiral steel spring as an elastic supporting element, and has very wide market application prospect.
Example two
As shown in fig. 2, the low-frequency tuned mass damper of the present invention is different from the first embodiment in that it includes two supports 4 with spring height overlapping and two horizontal supports 5, and the spiral steel spring 3 is divided into four height levels and respectively disposed between the mass block 1 and the supports 4 with spring height overlapping and between the supports 4 with spring height overlapping and the horizontal supports 5; furthermore, the damping device 2 is arranged between the lowermost horizontal support 5 and the spring-height-overlapping arrangement support 4 adjacent thereto; in addition, a movement guide 6 is also included, and the movement guide 6 is fixed on the horizontal bracket 5 and the spring height overlapping arrangement bracket 4 which are positioned at the lower part of the system, and passes through the middle cavity of the spiral steel spring 3.
Compared with the first embodiment, the technical scheme of the embodiment comprises two supports with the height overlapped with each other and two horizontal supports, the spiral steel springs can be arranged in four height layers, and the accumulated static deformation and the dynamic deformation of the spiral steel springs in an overlapped state can be greatly increased when the spiral steel springs deform, so that the actual dynamic and static deformation total amount of the low-frequency tuned mass damper is further reduced in the using process, the total installation space occupied by a system is effectively saved, the structural vibration control with lower tuning frequency is facilitated, and the applicability of the low-frequency tuned mass damper is greatly improved; in addition, the technical scheme of the embodiment is additionally provided with the motion guide part 6, so that the safety and the stability of the system are greatly improved.
It should be noted that, in the technical solution of this embodiment, the example including two supports with overlapped spring heights and two horizontal supports is taken as an example for description, based on the technical principle of this embodiment, more supports with overlapped spring heights and horizontal supports can be further provided, and the accumulated static deformation and dynamic deformation in the overlapped state when the spiral steel spring is deformed are further increased, so as to realize the structural vibration control with lower tuning frequency; in addition, the specific structural form of the motion guide rod piece is various, the motion guide rod piece can be made of materials such as steel pipes, steel bars, I-shaped steel or channel steel, and the like, and can be made of other sectional materials or welding combined pieces, and the motion guide rod piece can be applied to the invention as long as the strength is enough, and can be selected according to the actual engineering situation in practical application; in addition, the spiral steel springs at different height levels can be the same or different, and can be optimally designed according to engineering requirements in practical application, and only the description is given by characters, and the description of the drawings is omitted, so that the spiral steel springs are in the protection range required by the invention.
EXAMPLE III
As shown in fig. 3, the low frequency tuned mass damper of the present invention is different from the first embodiment in that it comprises two supports 4 with spring height overlapping and a horizontal support 5, the height offset bosses of the two supports 4 with spring height overlapping are arranged oppositely, the spiral steel spring comprises a first spiral steel spring 7 and a second spiral steel spring 8, which are arranged in three height levels, wherein the first spiral steel spring 7 is respectively disposed between the mass block 1 and the supports 4 with spring height overlapping and between the supports 4 with spring height overlapping and the horizontal support 5, and the second spiral steel spring 8 is disposed between the adjacent supports 4 with spring height overlapping; further, damping devices are provided between the mass block 1 and the spring height overlap arrangement brackets 4, between the adjacent spring height overlap arrangement brackets 4, and between the spring height overlap arrangement brackets 4 and the horizontal brackets 5, respectively; furthermore, a movement guide 6 is provided, which movement guide 6 is fastened to the lowermost horizontal support 5 and the support 4 and the mass 1 are arranged in an overlapping manner through the height of the spring located above.
Compared with the first embodiment, the technical scheme of the embodiment comprises two supports with the spring height overlapped and one horizontal support, the spiral steel spring can be arranged from three height levels, and the accumulated static deformation and the dynamic deformation of the spiral steel spring in an overlapped state can be greatly increased when the spiral steel spring deforms, so that the actual dynamic and static deformation total amount of the low-frequency mass tuned vibration absorber in the using process is further reduced, the total installation space occupied by a system is effectively saved, the structural vibration control of lower tuning frequency is facilitated, and the applicability of the low-frequency mass tuned vibration absorber is greatly improved; in addition, the technical scheme of the embodiment is additionally provided with the motion guide part 6, so that the safety and the stability of the system are greatly improved.
The technical scheme of the embodiment is described by taking the example of comprising a pair of supports with highly overlapped springs and a horizontal support, based on the technical principle of the embodiment, more pairs of supports with highly overlapped springs can be arranged, and the accumulated static deformation and dynamic deformation in an overlapped state when the spiral steel spring deforms are further increased, so that the structural vibration control with lower tuning frequency is realized, and the simple changes based on the technical principle of the invention are all within the protection range required by the invention.
It should be noted that, in the present invention, the top and the bottom of the height-offset boss are based on the vertical direction of the system, and for the height-offset boss disposed on the height-overlapping disposition bracket of any spring, the end of the height-offset boss on the side of the system with the relatively higher height in the vertical direction is the top, and the end of the height-offset boss on the side with the relatively lower height is the bottom, and for the components with the same structure, because the disposition directions of the components in the system are different, the positions indicated by the top and the bottom are also different. For example, the height-offset bosses of the two spring height-overlap arrangement brackets 4 provided in fig. 3 are arranged opposite to each other, so that for the spring height-overlap arrangement bracket located above in fig. 3, the second coil steel spring 8 is supported on top of its height-offset boss; however, for the lower spring level overlap arrangement, the second helical steel spring 8 is supported at the bottom of its level offset boss. The above description of the top and bottom of the height offset boss applies to all embodiments of the present invention, and is hereby incorporated by reference, and will not be repeated in other embodiments.
Example four
As shown in fig. 4 and 5, the low frequency tuned mass damper of the present invention comprises a first coil steel spring 7 and a second coil steel spring 8, which are arranged in three height levels, and is different from the third embodiment in that the height-offset bosses of the two supports 4 with overlapped spring heights are arranged opposite to each other, the first coil steel spring 7 and the second coil steel spring 8 at the upper and lower sides of the support 4 with overlapped spring heights are partially nested with each other to form a spring assembly, wherein the upper and lower parts of the second coil steel spring 8 are respectively sleeved on the height-offset bosses of the supports 4 with overlapped spring heights outside the first coil steel spring 7 above and below the second coil steel spring 8, and the four spring assemblies are used as elastic elements to support the mass block 1; furthermore, a damping device is provided between the mass 1 and the horizontal support 5, wherein said horizontal support 5 is integrated with the structure to be damped 11; in addition, the motion guide comprises a first motion guide 9 and a second motion guide 10, wherein the second motion guide 10 is fixed on the horizontal bracket 5 and is arranged by overlapping with the bracket 4 and the mass block 1 through the height of the spring positioned above, the first motion guide 9 is fixed on the horizontal bracket 5 and penetrates from the middle cavity of the first spiral steel spring 7 and the second spiral steel spring 8 in the spring assembly to penetrate through the mass block 1 positioned above, the second motion guide 10 is made of steel bar in particular, the first motion guide 9 is made of I-steel in particular, the first motion guide 9 is symmetrically provided with two and the mass block 1 is also provided with a guide wheel 12 matched with the first motion guide 9.
Compared with the embodiment, the technical scheme of the embodiment has more compact structure; the motion guide part comprises a second motion guide part 10 formed by four steel bars and a first motion guide part 9 formed by two I-shaped steels, and the guide wheels are additionally arranged to be matched with the first motion guide part 9, so that the system is safer and more stable, the friction resistance among all parts of the system during working can be effectively reduced, the smooth working of the low-frequency quality tuning shock absorber is ensured, and the service life of the product is greatly prolonged. In addition, one obvious advantage of the technical scheme of arranging the spring assembly in the embodiment is that the spring assembly can be assembled together and pre-compressed in advance in a factory or a construction site in the installation process, the spring assembly is directly used as the elastic unit to be assembled with the mass block to form a mass-elastic structure in the field installation process, and the spring assembly is released after the assembly is completed to enable the system to enter a normal working state.
Based on the technical principle of the embodiment, in the technical scheme recorded in other embodiments of the invention, a proper profile is selected as the motion guide, and a guide wheel can be arranged to be matched with the motion guide for guiding, wherein the guide wheel can be fixedly arranged on at least one of a support, a horizontal support or a mass block which is arranged above and is overlapped by the height of a spring penetrated by the motion guide; in addition, in the present example, two supports with overlapped spring heights are provided in each spring assembly for explanation, in practical application, three, four or even more supports with overlapped spring heights can be provided, so that the spiral steel spring can be arranged on more height levels, the accumulated static deformation and dynamic deformation in an overlapped state when the spiral steel spring is deformed are further improved, and lower system natural frequency is realized to adapt to structural vibration control of corresponding tuning frequency; in addition, the technical scheme of the invention can show that the arrangement mode of the damping device is very flexible, and the low-frequency mass tuned vibration absorber can be arranged between the mass block and the spring high-overlapping arrangement bracket, or/and between the adjacent spring high-overlapping arrangement brackets, or/and between the spring high-overlapping arrangement bracket and the horizontal bracket according to different specific structures of the low-frequency mass tuned vibration absorber. These are all simple variations based on the technical principle of the present invention, and are within the scope of the claimed invention.
EXAMPLE five
As shown in fig. 6, the low-frequency mass tuned absorber of the present invention is different from the first embodiment in that the coil steel springs 3 on the upper and lower sides of the spring high-overlapping arrangement support 4 are respectively matched with the high-dislocation bosses to be in a local high-overlapping state, the high-dislocation bosses are formed by the abdicating sleeves fixedly arranged on the spring high-overlapping arrangement support 4, the abdicating sleeves are alternately arranged on the upper surface and the lower surface of the spring high-overlapping arrangement support 4, and the abdicating sleeves are specifically formed by welding the steel pipes 14 and the steel discs 13; the coil steel spring 3 on the upper side of the spring height overlapping arrangement support 4 is supported on the bottom of the height-displaced boss on the lower surface of the spring height overlapping arrangement support, and the coil steel spring 3 on the lower side thereof is supported on the top of the height-displaced boss on the upper surface of the spring height overlapping arrangement support.
Compared with the first embodiment, in the technical scheme of the embodiment, the abdicating sleeve is used as the height dislocation boss, the abdicating sleeve is made of materials which are not completely the same as the support arranged by overlapping the height of the spring, the materials are more widely selected, the processing and manufacturing difficulty is lower, and the cost is reduced; in addition, the yielding sleeve can also realize effective centering and limiting on the spiral steel spring, a centering or limiting element is not required to be additionally arranged, the structure is simpler and more compact, and the safety and the reliability are more guaranteed. Of course, based on the technical principle of the embodiment, according to the engineering requirement, two or more spring height overlapping arrangement brackets using the abdicating sleeve as the height dislocation boss can be arranged in the low-frequency mass tuning vibration absorber, so as to realize the structural vibration control of lower tuning frequency, when in use, the spiral steel spring at the upper side of the bracket with the same spring height overlapped is supported at the bottom of the height dislocation boss at the lower surface of the bracket with the spring height overlapped, the spiral steel spring at the lower side is supported at the top of the height dislocation boss positioned on the upper surface of the support with the height overlapped with the spring, in addition, if necessary, it is also possible to add motion guides, which are based on simple variations of the technical principle described in the solution according to figure 6, the description is given by way of text only and not in any way a drawing, all falling within the scope of the invention as claimed.
The low-frequency mass tuned vibration absorber has the advantages of compact spatial structure, stable performance, very excellent cost performance, capability of being suitable for controlling the vibration of a structure with the frequency of 0.5Hz or even lower, effective expansion of the application range of the product of the tuned mass vibration absorber with the compression type spiral steel spring as the elastic supporting element, and very wide market application prospect. In addition, the embodiments of the present invention are only for better illustrating the technical solutions of the present invention, and should not be considered as limiting the present invention, wherein the technical features in many embodiments can also be used in a cross-way. Based on the technical principle of the present invention, a person skilled in the art may recombine the technical solutions described in the above embodiments or simply replace some of the elements in the technical solutions by the similar techniques, and the technical principles of the present invention are all within the protection scope of the present invention.
Claims (10)
1. A low-frequency tuning mass damper comprises a spiral steel spring, a damping device and a mass block, wherein the mass block is elastically supported by the spiral steel spring, and the low-frequency tuning mass damper is characterized by further comprising at least one spring height overlapping arrangement support and at least one horizontal support, wherein the spiral steel spring is arranged between the mass block and the spring height overlapping arrangement support and between the spring height overlapping arrangement support and the horizontal support, or the spiral steel spring is arranged between the mass block and the spring height overlapping arrangement support, between adjacent spring height overlapping arrangement supports and between the spring height overlapping arrangement support and the horizontal support; the spring height overlapping arrangement support is provided with a height dislocation boss, and the spiral steel springs on the upper side and the lower side of the same spring height overlapping arrangement support are respectively matched with the height dislocation boss so as to be in a local height overlapping state; the damping device is arranged between the mass and the spring high-overlapping arrangement bracket or/and between the mass and the horizontal bracket or/and between the adjacent spring high-overlapping arrangement brackets or/and between the spring high-overlapping arrangement bracket and the horizontal bracket.
2. The low frequency tuned mass damper according to claim 1, further comprising a motion guide.
3. A low frequency tuned mass damper according to claim 2, wherein the motion guide is fixed to the lowermost horizontal support and extends through the mass above, or the support and mass are arranged to overlap each other through the height of the spring above, or the support, horizontal support and mass are arranged to overlap each other through the height of the spring above.
4. A low frequency tuned mass damper according to claim 2, wherein said motion guide is fixed to a horizontal support or/and a support with a spring height overlap arrangement and passes through the central cavity of the helical steel spring.
5. A low frequency tuned mass damper according to claim 3, further comprising guide wheels cooperating with the motion guides, said guide wheels being fixedly arranged on at least one of the highly overlapping arranged supports, horizontal supports or masses of the springs above traversed by the motion guides.
6. A low frequency tuned mass damper according to claim 3, wherein said lowermost horizontal support is integral with the structure to be damped.
7. A low frequency tuned mass damper according to claim 2, wherein the motion guide rods are made of steel tubes, steel rods, i-beams or channel steel.
8. A low frequency tuned mass damper according to claim 1, wherein the coil steel springs on both the upper and lower sides of the support are arranged in a highly overlapping arrangement with one another in a partially nested arrangement.
9. The low frequency tuned mass damper according to claim 1, wherein said height offset bosses are formed by partially bending said supports with said springs arranged in a highly overlapping manner, said coil steel springs on the upper side of said supports with said springs arranged in a highly overlapping manner being supported on the bottom of said height offset bosses, and said coil steel springs on the lower side thereof being supported on the top of said height offset bosses.
10. The low frequency tuned mass damper according to claim 1, wherein said height offset bosses are formed by means of offset sleeves fixedly disposed on said spring high overlap mount, said offset sleeves being disposed in staggered relation on the upper and lower surfaces of said spring high overlap mount, said coil steel spring on the upper side of said spring high overlap mount being supported on the bottom of said height offset boss on the lower surface of said spring high overlap mount, said coil steel spring on the lower side thereof being supported on the top of said height offset boss on the upper surface of said spring high overlap mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475626.3A CN111622368A (en) | 2020-05-29 | 2020-05-29 | Low-frequency mass tuning vibration damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010475626.3A CN111622368A (en) | 2020-05-29 | 2020-05-29 | Low-frequency mass tuning vibration damper |
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| CN111622368A true CN111622368A (en) | 2020-09-04 |
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| CN202010475626.3A Withdrawn CN111622368A (en) | 2020-05-29 | 2020-05-29 | Low-frequency mass tuning vibration damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789879A (en) * | 2021-09-07 | 2021-12-14 | 湖南省潇振工程科技有限公司 | Pulley type tuned mass eddy current damper |
-
2020
- 2020-05-29 CN CN202010475626.3A patent/CN111622368A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789879A (en) * | 2021-09-07 | 2021-12-14 | 湖南省潇振工程科技有限公司 | Pulley type tuned mass eddy current damper |
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Application publication date: 20200904 |
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| WW01 | Invention patent application withdrawn after publication |