CN114395948A - Tuned mass damper vibration reduction control device suitable for vibration reduction track - Google Patents
Tuned mass damper vibration reduction control device suitable for vibration reduction track Download PDFInfo
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- CN114395948A CN114395948A CN202210006772.0A CN202210006772A CN114395948A CN 114395948 A CN114395948 A CN 114395948A CN 202210006772 A CN202210006772 A CN 202210006772A CN 114395948 A CN114395948 A CN 114395948A
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- damping
- clamping groove
- rail
- cylinder
- control device
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a tuned mass damper vibration attenuation control device suitable for a vibration attenuation track, which comprises a vibration attenuation track clamping groove (3), a steel plate (4), a damping unit and four springs (13), wherein the vibration attenuation track clamping groove (3) comprises a fixing screw rod (31) used for fixing the vibration attenuation track clamping groove (3) on a vibration attenuation track cross beam (2); the damping unit comprises an upper damping cylinder (16), a lower damping cylinder (15) and liquid damping (18) stored in the lower damping cylinder, and the upper end of the upper damping cylinder is fixed on the lower surface of the damping track clamping groove; the lower part of the upper damping cylinder is inserted into the lower damping cylinder; the lower damping cylinder comprises a lower end plate (151); the upper ends of the four springs (13) are respectively fixed on the lower surface of the damping track clamping groove so as to surround the upper end of the upper damping cylinder; the lower ends of the four springs are respectively fixed on the corresponding upper surfaces of the end plates; the steel plate is fixed on the lower surface of the lower end plate, thereby forming a mass-spring-damping vibration attenuation system.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a tuned mass damper vibration attenuation control device suitable for a vibration attenuation rail.
Background
Along with the continuous acceleration of the urbanization process in China, the urban scale is continuously enlarged, the population mobility is stronger and stronger, the urban rail transit in China is developed at a high speed, meanwhile, the problems of train vibration and noise are increasingly highlighted, and a lot of adverse effects are caused to the production and the life of people. The vibration reduction rail is used as a common rail vibration reduction means and is widely applied to urban rail transit at home and abroad. In practical application, the problem that vibration noise exceeds standard still exists in peripheral buildings in a part of subway operation sections in which the vibration reduction tracks are applied is found. However, in order to meet the requirements of the relevant standards of vibration noise, it is not practical to remove and replace most vibration-damping rails on the premise of not interrupting subway operation, and how to reasonably modify the existing vibration-damping rails by adopting a new technology is a huge problem facing the current situation.
At present, the scheme of vibration noise reconstruction on the basis of the existing vibration reduction track is basically performed around noise reduction, most of increased vibration reduction amount is limited in the design of the vibration reduction scheme, the actual problem of engineering cannot be solved, the construction difficulty is high, the construction period is long, and operation is inconvenient.
Therefore, there is a need to develop new techniques and devices to solve at least some of the technical problems of the prior art.
Disclosure of Invention
Therefore, the application develops a tuned mass damper vibration attenuation control device suitable for vibration attenuation rails, which can be applied to the existing vibration attenuation rails, is convenient to install and has obvious effect.
According to an aspect of the present invention, there is provided a tuned mass damper damping control device adapted for use with a damped rail, comprising:
a damping track clamping groove (3), a steel plate (4), a damping unit and four springs (13),
the damping track clamping groove (3) comprises a fixing screw rod (31) and is used for fixing the damping track clamping groove (3) on the damping track cross beam (2);
the damping unit comprises an upper damping cylinder (16), a lower damping cylinder (15) and liquid damping (18) stored in the lower damping cylinder (15), and the upper end of the upper damping cylinder (16) is fixed on the lower surface of the damping rail clamping groove (3); the lower part of the upper damping cylinder (16) is inserted into the lower damping cylinder (15); the lower damping cylinder (15) comprises a lower end plate (151);
the upper ends of the four springs (13) are respectively fixed on the lower surface of the vibration reduction rail clamping groove (3) so as to surround the upper end of the upper damping cylinder (16); the lower ends of the four springs (13) are respectively fixed on the corresponding upper surfaces of the lower end plates (151);
the steel plate (4) is fixed on the lower surface of the lower end plate (151), thereby forming a mass-spring-damping vibration attenuation system.
According to an embodiment of the invention, the damping rail clip groove (3) further comprises an adjusting screw (32) arranged in the upper and side surface for further fixing the damping rail clip groove (3) on the damping rail cross beam (2).
According to an embodiment of the present invention, the damping unit further comprises a rubber ring stopper (17) disposed between the upper damping cylinder (16) and the lower damping cylinder (15) to prevent leakage of the liquid damping.
According to an embodiment of the invention, the liquid damping (18) is silicone oil or glycerol.
According to the embodiment of the invention, the tuned mass damper vibration attenuation control device suitable for the vibration attenuation rail further comprises a flexible sealing sleeve (9), the upper end of the flexible sealing sleeve (9) is hermetically fixed on the side wall of the vibration attenuation rail clamping groove (3), and the lower end of the flexible sealing sleeve (9) is hermetically fixed on the side wall of the lower end plate (151), so that the spring and the damping unit are sealed therein.
According to an embodiment of the invention, the flexible sealing sleeve (9) is made of a rubber material or a transparent polymer material and is fixed on the damping rail clamping groove (3) and the lower end plate (151) by an adhesive.
The tuned mass damper vibration attenuation control device suitable for the vibration attenuation track can be applied to the existing vibration attenuation track, has independent tension spring, mass, damping and waterproof design, and is high in adjustability, remarkable in effect and convenient to install. For example, the device can be applied to the field of vibration reduction transformation of urban rail transit vibration reduction rails, the device can be adopted to transform the situation that vibration noise exceeds standard when the periphery of a vibration reduction rail section is laid, the market prospect is wide, and the transformation cost can be expected to be saved.
Drawings
FIG. 1 is a schematic cross-sectional view of a tuned mass damper damping control device suitable for use with a damping rail according to one embodiment of the present invention;
FIG. 2 is a schematic top view of a tuned mass damper damping control device adapted for use with a damped rail according to one embodiment of the present invention mounted to a damped rail; and
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
The invention will be better understood from the following examples and the accompanying drawings. However, those skilled in the art will readily appreciate that the description of the embodiments is only for the purpose of illustration and should not be taken as a limitation of the invention.
FIG. 1 is a schematic cross-sectional view of a tuned mass damper damping control device suitable for use with a damping rail according to one embodiment of the present invention. Referring to fig. 1, the tuned mass damper damping control device for a damping rail of an embodiment may include a damping rail clamping groove (3), a steel plate (4), a damping unit, and four springs (13).
The main body of the damping rail clamping groove (3) is composed of an upper surface, a lower surface and a side surface, and forms an ㄈ shape. The damping track clamping groove (3) further comprises a fixing screw rod (31) which is used for clamping the damping track clamping groove (3) on the damping track cross beam (2) for fixing. In addition, the damping rail clip groove (3) may further include an adjustment screw (32) provided in the upper surface and the side surface and four protrusions (33) with screw holes fixed on the lower surface. The adjusting screw (32) is used for further fixing the damping track clamping groove (3) on the damping track cross beam (2) so as to prevent the damping track clamping groove and the damping track cross beam from moving relatively. The protrusion (33) is used for fixing the upper end of the spring (13).
The damping unit may include an upper damping cylinder (16), a lower damping cylinder (15), a rubber ring (17) disposed between the upper damping cylinder (16) and the lower damping cylinder (15), and a liquid damper (18) stored in the lower damping cylinder (15). The upper damping cylinder (16) is sleeved in the lower damping cylinder (15), and the upper end of the upper damping cylinder (16) is fixed on the lower surface of the vibration reduction rail clamping groove (3). The upper damping cylinder (16) can be integrally formed with the damping rail clamping groove (3) or fixed together by welding. The lower damping cylinder (15) may include a lower end plate (151) and four protrusions (152) with screw holes formed on an upper surface of the lower end plate. The annular rubber plug (17) is used for preventing the liquid damping from leaking. The liquid damper (18) may be, for example, silicone oil or glycerin.
The upper ends of the four springs (13) are respectively fixed on the protrusions (33) to surround the upper end periphery of the upper damping cylinder (16); the lower ends of the four springs (13) are respectively fixed to the protrusions (152), wherein the protrusions (152) spatially correspond to the projections (33) so that the springs can be in a substantially vertical state. The spring can be fixed, for example, by means of a screw connection.
The steel plate (4) is fixed on the lower surface of the lower end plate (151), for example, screw holes can be formed in the lower end plate (151) and the steel plate (4), and the lower end plate and the steel plate are fixed through screw connection, thereby forming the mass-spring-damping vibration attenuation system.
In addition, the tuned mass damper vibration damping control device suitable for the vibration damping track can further comprise a flexible sealing sleeve (9), the upper end of the flexible sealing sleeve (9) is hermetically fixed on the side wall of the vibration damping track clamping groove (3), and the lower end of the flexible sealing sleeve (9) is hermetically fixed on the side wall of the lower end plate (151), so that the spring and the damping unit are sealed in the flexible sealing sleeve, and external liquid is prevented from entering the spring-damping system. For example, the flexible sealing sleeve (9) may be made of a rubber material or a transparent polymer material and fixed to the damping rail clamping groove (3) and the lower end plate (151) by an adhesive.
FIG. 2 is a schematic top view of a tuned mass damper damping control device adapted for use with a damped rail according to one embodiment of the present invention mounted to a damped rail; fig. 3 is a sectional view taken along line a-a of fig. 2. Referring to fig. 1-2, the vibration damping track comprises vibration damping track longitudinal beams (1) and vibration damping track cross beams (2), a plurality of tuned mass damper vibration damping control devices (6 are shown in the figure) can be installed on the vibration damping track cross beams (2), and then lower end plates (151) of the tuned mass damper vibration damping control devices can be used for jointly suspending and fixing a steel plate (4) with larger weight. Thereby constituting a stable mass-spring-damping vibration-damping system.
The specific embodiments are given above, but the present invention is not limited to the above-described embodiments. The basic idea of the present invention lies in the above basic scheme, and it is obvious to those skilled in the art that no creative effort is needed to design various modified models, formulas and parameters according to the teaching of the present invention. Variations, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit of the invention, and still fall within the scope of the invention.
Claims (6)
1. A tuned mass damper damping control device adapted for use with a damped rail, comprising: a damping track clamping groove (3), a steel plate (4), a damping unit and four springs (13),
the damping track clamping groove (3) comprises a fixing screw rod (31) and is used for fixing the damping track clamping groove (3) on the damping track cross beam (2);
the damping unit comprises an upper damping cylinder (16), a lower damping cylinder (15) and liquid damping (18) stored in the lower damping cylinder (15), and the upper end of the upper damping cylinder (16) is fixed on the lower surface of the damping rail clamping groove (3); the lower part of the upper damping cylinder (16) is inserted into the lower damping cylinder (15); the lower damping cylinder (15) comprises a lower end plate (151);
the upper ends of the four springs (13) are respectively fixed on the lower surface of the vibration reduction rail clamping groove (3) so as to surround the upper end of the upper damping cylinder (16); the lower ends of the four springs (13) are respectively fixed on the corresponding upper surfaces of the lower end plates (151);
the steel plate (4) is fixed on the lower surface of the lower end plate (151), thereby forming a mass-spring-damping vibration attenuation system.
2. The tuned mass damper damping control device for a damping rail according to claim 1, characterized in that the damping rail groove (3) further comprises adjusting screws (32) arranged in the upper and side surfaces for fixing the damping rail groove (3) on the damping rail cross beam (2).
3. The tuned mass damper damping control device for a damping rail according to claim 1, characterized in that the damping unit further comprises a rubber ring stopper (17) arranged between the upper damping cylinder (16) and the lower damping cylinder (15) to prevent leakage of the liquid damping.
4. The tuned mass damper damping control device for a damping rail according to claim 1, characterized in that the liquid damping (18) is silicone oil or glycerol.
5. The tuned mass damper damping control device for a damping rail according to claim 1, further comprising a flexible sealing boot (9), the upper end of the flexible sealing boot (9) being sealingly fixed to the side wall of the damping rail clamping groove (3), the lower end of the flexible sealing boot (9) being sealingly fixed to the side wall of the lower end plate (151), thereby sealing the spring and the damping unit therein.
6. Tuned mass damper damping control device for a damping rail according to claim 5, characterized in that the flexible sealing sleeve (9) is made of a rubber material or a transparent polymer material and is fixed to the damping rail clamping groove (3) and the lower end plate (151) by means of an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006772.0A CN114395948A (en) | 2022-01-05 | 2022-01-05 | Tuned mass damper vibration reduction control device suitable for vibration reduction track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006772.0A CN114395948A (en) | 2022-01-05 | 2022-01-05 | Tuned mass damper vibration reduction control device suitable for vibration reduction track |
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| Publication Number | Publication Date |
|---|---|
| CN114395948A true CN114395948A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210006772.0A Pending CN114395948A (en) | 2022-01-05 | 2022-01-05 | Tuned mass damper vibration reduction control device suitable for vibration reduction track |
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| CN (1) | CN114395948A (en) |
Citations (11)
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|---|---|---|---|---|
| JP2005171515A (en) * | 2003-12-08 | 2005-06-30 | Edogawa Lumber Industrial Co Ltd | Vibration damping device |
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN102864853A (en) * | 2012-09-29 | 2013-01-09 | 浙江工业大学 | Tuned mass damper for performing vibration attenuation on tall tower |
| CN203834343U (en) * | 2014-04-01 | 2014-09-17 | 同济大学 | Novel foamed metal viscous damper for bridge shock absorption |
| CN203875758U (en) * | 2014-06-06 | 2014-10-15 | 陕西法士特齿轮有限责任公司 | Rapid change type clamp of eccentric wheel structure |
| CN107190590A (en) * | 2017-07-21 | 2017-09-22 | 李富盈 | Subtract shock insulation subway rail guidance tape system |
| CN207017162U (en) * | 2017-04-18 | 2018-02-16 | 中铁十一局集团第五工程有限公司 | Cable-stayed bridge vibration-proof structure |
| CN107869545A (en) * | 2017-12-13 | 2018-04-03 | 广州溢滔钱潮减震科技股份有限公司 | A kind of electronics combined vibration-damping device |
| CN207211900U (en) * | 2017-08-24 | 2018-04-10 | 上海昂创建筑减震科技有限公司 | A kind of earthquake-resistant building structure |
| CN211499997U (en) * | 2019-11-28 | 2020-09-15 | 北京工业大学 | Half-cycle friction damper |
| CN111677143A (en) * | 2020-07-10 | 2020-09-18 | 宁波东衡工程科技发展有限公司 | Vertical vibration damper for vibration isolation building |
-
2022
- 2022-01-05 CN CN202210006772.0A patent/CN114395948A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005171515A (en) * | 2003-12-08 | 2005-06-30 | Edogawa Lumber Industrial Co Ltd | Vibration damping device |
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN102864853A (en) * | 2012-09-29 | 2013-01-09 | 浙江工业大学 | Tuned mass damper for performing vibration attenuation on tall tower |
| CN203834343U (en) * | 2014-04-01 | 2014-09-17 | 同济大学 | Novel foamed metal viscous damper for bridge shock absorption |
| CN203875758U (en) * | 2014-06-06 | 2014-10-15 | 陕西法士特齿轮有限责任公司 | Rapid change type clamp of eccentric wheel structure |
| CN207017162U (en) * | 2017-04-18 | 2018-02-16 | 中铁十一局集团第五工程有限公司 | Cable-stayed bridge vibration-proof structure |
| CN107190590A (en) * | 2017-07-21 | 2017-09-22 | 李富盈 | Subtract shock insulation subway rail guidance tape system |
| CN207211900U (en) * | 2017-08-24 | 2018-04-10 | 上海昂创建筑减震科技有限公司 | A kind of earthquake-resistant building structure |
| CN107869545A (en) * | 2017-12-13 | 2018-04-03 | 广州溢滔钱潮减震科技股份有限公司 | A kind of electronics combined vibration-damping device |
| CN211499997U (en) * | 2019-11-28 | 2020-09-15 | 北京工业大学 | Half-cycle friction damper |
| CN111677143A (en) * | 2020-07-10 | 2020-09-18 | 宁波东衡工程科技发展有限公司 | Vertical vibration damper for vibration isolation building |
Non-Patent Citations (1)
| Title |
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| 陈士朝等: "《橡胶技术与制造概论》", 中国石化出版社 * |
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