CN115467196B - Multiple tuning mass damping device suitable for vibration reduction track - Google Patents
Multiple tuning mass damping device suitable for vibration reduction track Download PDFInfo
- Publication number
- CN115467196B CN115467196B CN202210276875.9A CN202210276875A CN115467196B CN 115467196 B CN115467196 B CN 115467196B CN 202210276875 A CN202210276875 A CN 202210276875A CN 115467196 B CN115467196 B CN 115467196B
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- Prior art keywords
- damping
- vibration reduction
- vibration
- clamping groove
- spring
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- 238000013016 damping Methods 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2201/00—Fastening or restraining methods
- E01B2201/04—Fastening or restraining methods by bolting, nailing or the like
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2201/00—Fastening or restraining methods
- E01B2201/08—Fastening or restraining methods by plastic or elastic deformation of fastener
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a multi-tuning mass damping device suitable for a vibration reduction track, which comprises a plurality of spring-damping systems (3), a plurality of first vibration reduction track clamping grooves (4), a plurality of cross bars (5), a plurality of second vibration reduction track clamping grooves (6) and a plurality of steel plates (7); two ends of the cross rod (5) are respectively fixed on the first vibration reduction track clamping groove (4) and the second vibration reduction track clamping groove (6); the spring-damping system (3) is fixed below the cross bar (5); the steel plate (7) is fixed below the spring-damping system (3); the spring-damper system (3) comprises an upper leaf spring system and a lower leaf spring system and a damper unit; the damping unit is arranged in the space between the two leaf spring systems, and a steel plate (7) is fixed on the lower surface of the lower leaf spring system, thereby forming a mass-spring-damping vibration damping system.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a multi-tuning mass damping device suitable for a vibration reduction rail.
Background
Along with the rapid development of urban rail transit and the improvement of people's demands on living and riding environments, the influence of vibration noise generated by urban rail transit operation is increasingly attracting attention of residents and passengers along the line. In order to reduce the environmental vibration and noise problems induced by urban rail transit, corresponding rail vibration reduction measures are adopted in the subway construction stage according to the requirements of the criticism report. After line operation, the problems of ground vibration or excessive secondary structure noise, excessive noise in the vehicle and the like still exist in part of the sections, the life quality of residents along the line and the riding experience of passengers are affected, and related complaints are caused.
At present, the vibration damping performance of an operation line track system is improved, mainly, under the premise of not affecting the existing line operation, a common fastener is gradually replaced by a vibration damping fastener with better elastic performance, if the ballast bed vibration damping measure is replaced by a vibration damping track structure with a higher level, the improvement difficulty is high, the construction progress is slow, the existing line operation is possibly affected to some extent, and quick and effective corrective measures with small influence on the existing line operation are lacking. In addition, most of existing tuned mass dampers suitable for vibration reduction tracks are vibration reduction based on a single frequency band, and comprehensive vibration reduction in a wide frequency range cannot be realized.
There is therefore a need to develop new technologies and devices to solve at least some of the technical problems existing in the prior art.
Disclosure of Invention
Therefore, the application develops a multi-tuning mass damping device suitable for the vibration reduction track, which can be applied to the existing vibration reduction track, is convenient to install and has obvious effect.
According to an aspect of the present invention, there is provided a multi-tuned mass damping device suitable for a vibration reduction track, comprising: a plurality of spring-damper systems (3), a plurality of first vibration-damping rail clamping grooves (4), a plurality of cross bars (5), a plurality of second vibration-damping rail clamping grooves (6) and a plurality of steel plates (7);
Wherein, two ends of the cross rod (5) are respectively fixed on the first vibration reduction track clamping groove (4) and the second vibration reduction track clamping groove (6); the spring-damping system (3) is fixed below the cross bar (5); the steel plate (7) is fixed below the spring-damping system (3);
the first damping track clamping groove (4) comprises a first fixing screw (41) and is used for fixing the first damping track clamping groove (4) on the damping track cross beam; the second vibration reduction track clamping groove (6) comprises a second fixing screw (61) for fixing the second vibration reduction track clamping groove (6) on the other vibration reduction track cross beam;
Wherein the spring-damper system (3) comprises an upper leaf spring system (31), a lower leaf spring system (31') and a damper unit; the two ends of the upper leaf spring system and the lower leaf spring system are respectively fixedly connected, thereby forming a space therebetween, and the damping unit is arranged in the space between the two leaf spring systems;
The damping unit comprises an upper damping cylinder (36), a lower damping cylinder (35) and a liquid damping (38) stored in the lower damping cylinder (35), wherein the upper end of the upper damping cylinder (36) is fixed on the lower surface of the upper plate spring system; the lower end of the lower damping cylinder (35) is fixed on the upper surface of the lower plate spring system, and the lower part of the upper damping cylinder (36) is inserted into the lower damping cylinder (35);
A steel plate (7) is fixed to the lower surface of the lower leaf spring system, thereby forming a mass-spring-damping vibration reduction system.
According to an embodiment of the invention, the first vibration reducing track clamping groove (4) further comprises a first adjusting screw (42) arranged in the upper surface and the side surface; the second vibration reduction track clamping groove (6) further comprises a second adjusting screw (62) arranged in the upper surface and the side surface.
According to an embodiment of the present invention, the damping unit further includes an annular rubber stopper (37) provided between the upper damping cylinder (36) and the lower damping cylinder (35) to prevent leakage of the liquid damping.
According to an embodiment of the invention, the liquid damping (38) is silicone oil or glycerol.
According to an embodiment of the invention, the number of cross bars (5) is two, and the two ends of each steel plate (7) are respectively fixed below the two spring-damper systems (3), so that the two ends of each steel plate (7) are respectively fixed on the two cross bars (5).
According to an embodiment of the invention, the leaf spring system (31) further comprises a ferrule (32) securing the plurality of leaf springs in the leaf spring system together.
The multi-tuning mass damping device suitable for the vibration reduction track can be applied to the existing vibration reduction track, has independent plate spring, mass and damping design, has strong adjustability, obvious effect and convenient installation. For example, the device can be applied to the vibration reduction reconstruction field of urban rail transit vibration reduction rails, the vibration reduction rail road section periphery is paved but vibration noise exceeds standard, the device can be adopted for reconstruction, the market prospect is large, and the reconstruction cost can be expected to be saved.
Drawings
FIG. 1 is a schematic diagram of a spring-damper system of a multi-tuned mass damper apparatus for a vibration reduction track according to one embodiment of the present invention;
FIG. 2 is a schematic top view of a multi-tuned mass damper assembly for a vibration reduction track according to one embodiment of the present invention mounted to a vibration reduction track;
FIG. 3 is a schematic view of a first damper rail clamping groove of a multi-tuned mass damper device for damper rails according to one embodiment of the present invention; and
Fig. 4 is a schematic structural view of a second vibration damping rail clamping groove of the multi-tuning mass damping device for vibration damping rails according to an embodiment of the present invention.
Detailed Description
The invention will be better understood from the drawings and the following examples. However, it will be readily appreciated by those skilled in the art that the description of the embodiments is provided for illustration only and should not be construed as limiting the invention.
FIG. 1 is a schematic diagram of a spring-damper system of a multi-tuned mass damper apparatus for a vibration reduction track according to one embodiment of the present invention; fig. 2 is a schematic top view of a multi-tuned mass damper assembly for a vibration reduction track according to one embodiment of the present invention mounted to a vibration reduction track.
Referring to fig. 1 and 2, the multi-tuning mass damping device for a vibration reduction track of the embodiment may include a plurality of spring-damper systems 3, a plurality of first vibration reduction track clamping grooves 4, a plurality of cross bars 5, a plurality of second vibration reduction track clamping grooves 6, and a plurality of steel plates 7. As shown, the vibration damping rail may include two vibration damping rail stringers 1 and three vibration damping rail cross members 2 disposed between the two stringers; four cross bars 5 and a plurality of steel plates 7 arranged between two parallel cross bars through a spring-damper system 3 and a damping rail clamping groove are arranged between the three damping rail cross bars 2, it being understood that the number of steel plates 7 can be determined according to actual needs.
FIG. 3 is a schematic view of a first damper rail clamping groove of a multi-tuned mass damper device for damper rails according to one embodiment of the present invention; fig. 4 is a schematic structural view of a second vibration damping rail clamping groove of the multi-tuning mass damping device for vibration damping rails according to an embodiment of the present invention.
Referring to fig. 3 and 4, the first vibration reduction track clamping groove body 43 is formed of three sides, i.e., upper, lower and side surfaces, to form a "ㄈ" type. The first damping rail clamping groove 4 further comprises a first fixing screw 41 for clamping the first damping rail clamping groove 4 on the damping rail cross beam 2 for fixing. The first vibration reducing track card slot 4 may further include first adjustment screws 42 provided in the upper and side surfaces. The first adjusting screw 42 is used for further fixing the first damping rail clamping groove 4 on the damping rail cross beam 2 so as not to move relatively. In addition, one end of the cross bar 5 is fixed to the side surface of the first vibration reduction rail clamping groove 4. The second damping rail clamping groove body 63 is composed of an upper side surface, a left side surface and a right side surface, and forms a 'ㄈ' type. The second vibration reduction track clamping groove 6 further comprises a second fixing screw 61 for clamping the second vibration reduction track clamping groove 6 on the other vibration reduction track cross beam for fixing. The second vibration reduction track clamping groove 6 may further include second adjusting screws 62 provided in the upper surface and the left and right side surfaces. The second adjusting screw 62 is used for further fixing the second damping rail clamping groove 6 on the other damping rail cross beam so as to prevent the two from moving relatively. In addition, two cross bars 5 are respectively fixed on the left and right sides of the second vibration reduction track clamping groove 6.
Fig. 1 is a schematic diagram of a spring-damper system of a multi-tuned mass damper apparatus for a vibration damping track according to one embodiment of the present invention. Referring to fig. 1, the spring-damper system 3 may be secured below the cross bar 5 by a connecting member 39 (e.g., a connecting rod with perforations). The spring-damper system 3 may comprise an upper leaf spring system 31, a lower leaf spring system 31' and a damper unit. Wherein the upper leaf spring system and the lower leaf spring system are substantially identical in construction, each comprising a plurality of leaf springs of varying lengths, and are fixedly connected by a ferrule 32. The two ends of the upper and lower leaf spring systems are fixedly connected, respectively, for example by means of screws 33, whereby a space is formed between the two, and a damping unit is arranged in the space between the two leaf spring systems.
The damping unit may include an upper damping cylinder 36, a lower damping cylinder 35, an annular rubber stopper 37 disposed between the upper damping cylinder and the lower damping cylinder, and a liquid damper 38 stored in the lower damping cylinder 35, the upper damping cylinder 36 being sleeved in the lower damping cylinder 35, the upper end of the upper damping cylinder 36 being fixed on the lower surface of the upper leaf spring system; the lower end of the lower damping cylinder 35 is fixed on the upper surface of the lower leaf spring system; the annular rubber stopper 37 is used for preventing the leakage of liquid damping; the liquid damper 38 may be, for example, silicone oil or glycerin.
The steel plate 7 is fixed on the lower surface of the lower leaf spring system 31', for example by welding the two together by means of a connecting rod 34, thus constituting a mass-spring-damping vibration damping system.
The tuned mass damper vibration reduction control device of the embodiment can be applied to the vibration reduction reconstruction field of urban rail transit vibration reduction rails, the periphery of a paved vibration reduction rail section can be reconstructed by adopting the device under the condition that vibration noise exceeds standard, and the device has a large market prospect, can realize prefabrication and assembly, is convenient to install and has low cost.
Specific embodiments are given above, but the present invention is not limited to the above-described embodiments. The basic idea of the invention is that the above basic scheme, it is not necessary for a person skilled in the art to design various modified models, formulas, parameters according to the teaching of the invention to take creative effort. Variations, modifications, substitutions and alterations are also possible in the embodiments without departing from the principles and spirit of the present invention.
Claims (5)
1. A multiple tuned mass damper device for a vibration reducing track, comprising: a plurality of spring-damper systems (3), a plurality of first vibration-damping rail clamping grooves (4), a plurality of cross bars (5), a plurality of second vibration-damping rail clamping grooves (6) and a plurality of steel plates (7);
Wherein, two ends of the cross rod (5) are respectively fixed on the first vibration reduction track clamping groove (4) and the second vibration reduction track clamping groove (6); the spring-damping system (3) is fixed below the cross bar (5); the steel plate (7) is fixed below the spring-damping system (3);
The first damping track clamping groove (4) comprises a first fixing screw (41) and is used for fixing the first damping track clamping groove (4) on the damping track cross beam; the second vibration reduction track clamping groove (6) comprises a second fixing screw (61) for fixing the second vibration reduction track clamping groove (6) on the other vibration reduction track cross beam;
Wherein the spring-damper system (3) comprises an upper leaf spring system (31), a lower leaf spring system (31') and a damper unit; the two ends of the upper leaf spring system and the lower leaf spring system are respectively fixedly connected, thereby forming a space therebetween, and the damping unit is arranged in the space between the two leaf spring systems;
The damping unit comprises an upper damping cylinder (36), a lower damping cylinder (35) and a liquid damping (38) stored in the lower damping cylinder (35), wherein the upper end of the upper damping cylinder (36) is fixed on the lower surface of the upper plate spring system; the lower end of the lower damping cylinder (35) is fixed on the upper surface of the lower plate spring system, and the lower part of the upper damping cylinder (36) is inserted into the lower damping cylinder (35);
A steel plate (7) is fixed on the lower surface of the lower leaf spring system, thereby forming a mass-spring-damping vibration attenuation system;
Wherein the damping unit further comprises an annular rubber stopper (37) disposed between the upper damping cylinder (36) and the lower damping cylinder (35) to prevent leakage of the liquid damping.
2. The multi-tuned mass damping device for a vibration reduction track according to claim 1, wherein the first vibration reduction track clamping groove (4) further comprises a first adjusting screw (42) provided in the upper surface and the side surface; the second vibration reduction track clamping groove (6) further comprises a second adjusting screw (62) arranged in the upper surface and the side surface.
3. A multi-tuned mass damping device for a vibration reducing track according to claim 1, characterized in that the liquid damping (38) is silicone oil or glycerol.
4. A multi-tuned mass damping device for a vibration reducing track according to claim 1, characterized in that the number of cross bars (5) is two, one end of each steel plate (7) being fixed under one spring-damper system (3) and the other end being fixed under the other spring-damper system (3), whereby both ends of each steel plate (7) are fixed to the two cross bars (5), respectively.
5. The multiple tuned mass damping device for a vibration reduction track according to claim 1, wherein the upper leaf spring system (31) further comprises a ferrule (32) securing a plurality of leaf springs together in the upper leaf spring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210276875.9A CN115467196B (en) | 2022-03-21 | 2022-03-21 | Multiple tuning mass damping device suitable for vibration reduction track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210276875.9A CN115467196B (en) | 2022-03-21 | 2022-03-21 | Multiple tuning mass damping device suitable for vibration reduction track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115467196A CN115467196A (en) | 2022-12-13 |
| CN115467196B true CN115467196B (en) | 2024-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210276875.9A Active CN115467196B (en) | 2022-03-21 | 2022-03-21 | Multiple tuning mass damping device suitable for vibration reduction track |
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| Country | Link |
|---|---|
| CN (1) | CN115467196B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN106812322A (en) * | 2015-11-30 | 2017-06-09 | 天津市鑫福盛新型建筑模板有限公司 | A kind of attachment means for fixing secondary joist |
| CN207997859U (en) * | 2018-04-02 | 2018-10-23 | 中唐空铁集团有限公司 | A kind of dedicated walking component of sky iron |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2997754B2 (en) * | 1991-11-28 | 2000-01-11 | 東急建設株式会社 | Anti-vibration device for traffic slabs |
| CN105220791B (en) * | 2015-11-18 | 2017-07-28 | 山东大学 | Multidimensional dual adjustable formula damping control device |
| CN212950022U (en) * | 2020-07-03 | 2021-04-13 | 山东永进传动机械有限公司 | Balanced suspension supporting structure |
-
2022
- 2022-03-21 CN CN202210276875.9A patent/CN115467196B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN106812322A (en) * | 2015-11-30 | 2017-06-09 | 天津市鑫福盛新型建筑模板有限公司 | A kind of attachment means for fixing secondary joist |
| CN207997859U (en) * | 2018-04-02 | 2018-10-23 | 中唐空铁集团有限公司 | A kind of dedicated walking component of sky iron |
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| Publication number | Publication date |
|---|---|
| CN115467196A (en) | 2022-12-13 |
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