CN107299560B - Prefabricated transverse pillow vibration reduction system - Google Patents
Prefabricated transverse pillow vibration reduction system Download PDFInfo
- Publication number
- CN107299560B CN107299560B CN201710186465.4A CN201710186465A CN107299560B CN 107299560 B CN107299560 B CN 107299560B CN 201710186465 A CN201710186465 A CN 201710186465A CN 107299560 B CN107299560 B CN 107299560B
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- Prior art keywords
- transverse
- shell
- damping elastic
- sleeper
- damping
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- 230000009467 reduction Effects 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 92
- 241001669679 Eleotris Species 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a prefabricated transverse pillow vibration reduction system, which comprises a shell, wherein a bottom pad is arranged at the bottom of the shell, and bottom damping elastic elements are symmetrically arranged on the bottom pad; transverse pads are arranged on the inner side of the shell in the transverse direction, and transverse damping elastic elements are symmetrically arranged on each transverse pad; longitudinal pads are arranged on the inner side of the shell in the longitudinal direction, longitudinal damping elastic elements are symmetrically arranged on each longitudinal pad, a sleeper is arranged on the upper bearing of the bottom pad, mounting holes for mounting the bottom damping elastic elements, the transverse damping elastic elements and the longitudinal damping elastic elements are formed in the sleeper, a shell cover for vertically limiting the sleeper is arranged above the shell, and fasteners for fastening and mounting two parallel steel rails are symmetrically arranged on the sleeper. The invention adopts a damping elastic composite vibration reduction mode, has good vibration reduction performance and strong applicability, is prefabricated, is convenient for maintenance and has higher construction efficiency.
Description
Technical Field
The invention relates to the field of vibration and noise reduction of rail transit, in particular to a prefabricated transverse sleeper vibration reduction system.
Background
With the strong development of high-speed rail transit and urban rail transit in China, environmental noise pollution generated by the high-speed rail transit and the vibration influence on nearby buildings are increasingly emphasized, and most of vibration and noise reduction products applied to the market are vibration reduction products in the form of adding vibration reduction pads at the bottom and the side surfaces of a sleeper, and the mode has certain vibration and noise reduction effects, but has a plurality of defects, namely that:
1. the vibration damping performance is weaker; because of the limitation of single structure, only elastic vibration reduction of the elastic pad can be utilized, the damping effect is not achieved, the vibration reduction performance is poor, and the use requirement cannot be met;
2. maintenance and repair are difficult; because it is directly pour and install on the railway roadbed, so later stage is difficult to change, maintain, and the efficiency of construction is lower.
Therefore, the development of a set of damping system with good damping performance, easy maintenance and strong applicability is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides the prefabricated transverse sleeper vibration damping system, which adopts a damping elastic composite vibration damping mode, has good vibration damping performance and strong applicability, is prefabricated, is convenient to maintain and has higher construction efficiency.
The aim of the invention is realized by the following technical scheme:
the prefabricated transverse pillow vibration reduction system comprises a shell, wherein a bottom cushion is arranged at the bottom of the shell, and bottom damping elastic elements are symmetrically distributed on the bottom cushion; transverse pads are arranged on the inner side of the shell in the transverse direction, and transverse damping elastic elements are symmetrically arranged on each transverse pad; longitudinal pads are arranged on the inner side of the shell in the longitudinal direction, longitudinal damping elastic elements are symmetrically arranged on each longitudinal pad, a sleeper is arranged on the upper bearing of the bottom pad, mounting holes for mounting the bottom damping elastic elements, the transverse damping elastic elements and the longitudinal damping elastic elements are formed in the sleeper, a shell cover for vertically limiting the sleeper is arranged above the shell, and fasteners for fastening and mounting two parallel steel rails are symmetrically arranged on the sleeper.
Further, the bottom damping elastic element, the transverse damping elastic element and the longitudinal damping elastic element are identical in structure and comprise an outer cylinder body, a connecting rod assembly and a bearing cover, an upper cover is fixedly arranged at the top of the outer cylinder body, the connecting rod assembly comprises a partition plate and a connecting rod vertically arranged at the center of the partition plate, the partition plate is positioned in the outer cylinder body and in clearance fit with the outer cylinder body, the outer cylinder body is divided into an upper chamber and a lower chamber by the partition plate, a circulation hole for communicating the upper chamber with the lower chamber is formed in the partition plate, the connecting rod extends out of the upper cover from the upper chamber and is fixedly connected with the bearing cover, a bottom spring is arranged in the lower chamber, two ends of the bottom spring are abutted to the bottom plate of the outer cylinder body and the partition plate, an upper spring is arranged in the upper chamber, two ends of the upper spring are abutted to the upper cover and the partition plate, and damping agent is filled in the outer cylinder body.
Further, a pressing pad is fixedly arranged on the sleeper, and the pressing pad and the shell cover are matched to vertically limit the sleeper.
Further, the center of cap is provided with the through-hole the edge of cap is provided with locking limit skirt, the upper edge of casing be provided with can with the protruding edge of locking limit skirt laminating installation, cap and casing cooperation form an upper portion open-ended cavity jointly.
Further, an anchor plate is arranged on the outer wall of the shell.
Further, the anchoring plate is composed of a plurality of vertical battens and transverse battens, the plurality of vertical battens are parallel to each other and are arranged at intervals, the plurality of transverse battens are parallel to each other and are arranged at intervals, and the plurality of vertical battens are perpendicular to the plurality of transverse half battens.
The invention provides a prefabricated transverse sleeper vibration damping system, which is provided with a shell, wherein a bottom damping elastic element, a transverse damping elastic element and a longitudinal damping elastic element which are matched with a sleeper are respectively distributed at the bottom, the transverse direction and the longitudinal direction of the shell; the three-dimensional vibration reduction mode is adopted, so that the vibration reduction device has good vibration reduction effects on vibration in all directions; and be prefabricated, the maintenance of being convenient for, the efficiency of construction is higher.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic view of a prefabricated transverse sleeper vibration reduction system according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the housing;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural view of the cover;
FIG. 6 is a cross-sectional view taken along the line A-A in FIG. 5;
FIG. 7 is a schematic view of the structure of the bottom pad;
FIG. 8 is a schematic structural view of a longitudinal pad;
FIG. 9 is a cross-sectional view taken along the B-B direction in FIG. 8;
fig. 10 is a schematic structural view of the bottom damping elastic element.
In the figure: 1-a housing; 2-a bottom pad; 3-a bottom damping elastic element; 301-an outer cylinder; 302-a bearing cover; 303-upper cover; 304-dividing plates; 305-connecting rod; 306-a flow hole; 307-bottom springs; 308-a damping agent; 309-upper spring; 4-lateral pads; 5-a transverse damping elastic element; 6-longitudinal pads; 7-a longitudinal damping elastic element; 8-sleeper; 9-a shell cover; 10-anchoring plate; 101-transverse slats; 102-vertical battens; 11-rail; 12-a fastener; 121-backing plate; 122-fasteners; 123-compression springs; 124-briquetting; 13-locking the skirt; 14-edge bulge; 15-through holes; 16-press pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings and examples, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 9, an embodiment of the present invention provides a prefabricated transverse pillow vibration damping system, which includes a housing 1, a bottom pad 2 is installed at the bottom of the housing 1, and bottom damping elastic elements 3 are symmetrically arranged on the bottom pad 2; the lateral inner side of the shell 1 is provided with lateral pads 4, and each lateral pad 4 is symmetrically provided with a lateral damping elastic element 5; the vertical inside of casing 1 all installs vertical pad 6, vertical damping elastic element 7 has all been symmetrically arranged on every vertical pad 6, the upper bearing of bottom pad 2 has sleeper 8, be provided with the mounting hole that is used for installing bottom damping elastic element 3, horizontal damping elastic element 5 and vertical damping elastic element 7 on the sleeper 8, the mounting hole that corresponds with horizontal damping elastic element 5 and vertical damping elastic element 7 can be rectangular hole or the hole that the diameter is greater than the damping elastic element external diameter that corresponds, casing 1 top is provided with the cap 9 that is used for carrying out vertical spacing to sleeper 8, the symmetry is provided with the fastener 12 that is used for carrying out fastening installation to two parallel rail 11 on the sleeper 8.
The bottom damping elastic element 3, the transverse damping elastic element 5 and the longitudinal damping elastic element 7 which are matched with the sleeper 8 are respectively distributed at the bottom, the transverse direction and the longitudinal direction of the shell 1, and the damping element with a damping and elastic composite damping mode is applied to the fields of damping and noise reduction of rail transit for the first time, can damp vibration of vibration sources with different frequencies, and has good damping performance and strong applicability; meanwhile, a three-dimensional vibration reduction mode is adopted, so that the vibration absorber has good vibration reduction effects on vibration in all directions; and be prefabricated, the maintenance of being convenient for, the efficiency of construction is higher.
In a preferred embodiment, as shown in fig. 10, the bottom damping elastic element 3, the transverse damping elastic element 5 and the longitudinal damping elastic element 7 have the same structure and comprise an outer cylinder 301, a connecting rod assembly and a pressure-bearing cover 302, wherein the top of the outer cylinder 301 is fixedly provided with an upper cover 303, the connecting rod assembly comprises a partition plate 304 and a connecting rod 305 vertically arranged at the center of the partition plate 304, the partition plate 304 is positioned in the outer cylinder 301 and is in clearance fit with the outer cylinder 301, the partition plate 304 divides the outer cylinder 301 into an upper cavity and a lower cavity, a circulation hole 306 for communicating the upper cavity with the lower cavity is arranged on the partition plate 304, the connecting rod 305 extends out of the upper cover 303 from the upper cavity and is fixedly connected with the pressure-bearing cover 302, the connecting rod 305 is in clearance fit with the upper cover 303, a bottom spring 307 is arranged in the lower cavity, the two ends of the bottom spring 307 are abutted against the bottom plate of the outer cylinder 301 and the partition plate 304, the upper chamber is internally provided with an upper spring 309, the upper spring 309 is sleeved on the connecting rod 305, the two ends are abutted against the upper cover 303 and the partition plate 304, the outer cylinder 301 (the lower chamber and the upper chamber) is also filled with a damping agent 308, the damping agent 308 can be hydraulic oil, the bottom damping elastic element 3, the transverse damping elastic element 5 and the longitudinal damping elastic element 7 can adopt the above structure, the damping elastic requirement of the damping element can be met, the processing and the installation are easy, the cost is low, and the damping elastic composite damping device is only a preferred embodiment, but not limited to the structure, the structure can be modified and deformed, and the damping elastic composite damping mode can be met.
In a more preferred embodiment, a pressing pad 16 is fixedly arranged on the sleeper 8, the pressing pad 16 is located on the upper surface of the sleeper 8, the pressing pad 16 is matched with the shell cover 9 to vertically limit the sleeper 8, and the pressing pad 16 is arranged to facilitate the vertical limit of the sleeper 8.
As shown in fig. 5-6, a through hole 15 is formed in the center of the shell cover 9, a locking skirt 13 is arranged at the edge of the shell cover 9, an edge protrusion 14 which can be attached to the locking skirt 13 is arranged at the upper edge of the shell 1, the shell cover 9 and the shell 1 are matched to form a cavity with an upper opening, the shell can form a relative sealed space by adopting the structure, and the shell can be disassembled and assembled at the later stage, and by adopting the structure, the integral vibration damping performance of the vibration damping system is smaller compared with similar products applied at present due to construction, and building materials are difficult to enter the vibration damping system during construction; the post maintenance is convenient and simple, and the system components can be quickly and effectively replaced.
As shown in fig. 3-4, an anchor plate 10 is disposed on the outer wall of the casing 1, the anchor plate 10 is used for increasing the bond strength between the system and the external concrete, so as to prevent the system from being separated from the concrete in the later use, in the specific operation, the anchor plate 10 is composed of a plurality of vertical battens 102 and transverse battens 101, the plurality of vertical battens 102 are parallel to each other and are arranged at intervals, the plurality of transverse battens 101 are parallel to each other and are arranged at intervals, the plurality of vertical battens 102 are perpendicular to the plurality of transverse half battens 101, the anchor plate 10 is convenient to process by adopting the structure, and has strong bond strength with the concrete, but is not limited to the structure, and the number of the vertical battens 102 and the transverse battens 101 can be set according to the requirement, and meanwhile, different geometric shapes can be formed.
The fastener 12 for fastening and installing two parallel steel rails 11 specifically comprises a base plate and two groups of locking components which are identical in structure and symmetrically distributed on the base plate 121, the base plate 121 is fixed on the sleeper 8, each group of locking components comprises a fastener 122, a pressure spring 123 and a pressing block 124, the pressing blocks 124 are pressed on the steel rails 11, the pressing blocks 124 are fastened on the base plate 121 through the pressure springs 123 by the fasteners 122, then the steel rails 11 are fixed, and the fastener adopts the structure, so that the fastening stability of the steel rails 11 can be ensured.
The prefabricated transverse sleeper vibration damping system provided by the invention has the advantages of capability of damping vibration aiming at vibration sources with different frequencies, good vibration damping performance and strong applicability; the three-dimensional vibration reduction mode is adopted, so that the vibration reduction device has good vibration reduction effects on vibration in all directions; the prefabricated type is convenient for maintenance and has higher construction efficiency; building materials are difficult to enter the damping system during construction, and the like, and the method is easy to popularize and use.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present invention is not intended to be limiting, but rather to enable any person skilled in the art to make and use the present invention, and it is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the present invention.
Claims (6)
1. A prefabricated transverse pillow vibration reduction system, characterized in that: the damping device comprises a shell, wherein a bottom pad is arranged at the bottom of the shell, and bottom damping elastic elements are symmetrically distributed on the bottom pad; transverse pads are arranged on the inner side of the shell in the transverse direction, and transverse damping elastic elements are symmetrically arranged on each transverse pad; longitudinal pads are arranged on the inner longitudinal sides of the shell, longitudinal damping elastic elements are symmetrically arranged on each longitudinal pad, a sleeper is pressed on the upper side of the bottom pad, mounting holes for mounting the bottom damping elastic elements, the transverse damping elastic elements and the longitudinal damping elastic elements are formed in the sleeper, a shell cover for vertically limiting the sleeper is arranged above the shell, and fasteners for fastening and mounting two parallel steel rails are symmetrically arranged on the sleeper;
the bottom damping elastic element, the transverse damping elastic element and the longitudinal damping elastic element which are matched with the sleeper are respectively distributed at the bottom, the transverse direction and the longitudinal direction of the shell.
2. A prefabricated transverse pillow vibration damping system according to claim 1, characterized in that: the bottom damping elastic element, the transverse damping elastic element and the longitudinal damping elastic element are identical in structure and comprise an outer cylinder body, a connecting rod assembly and a bearing cover, an upper cover is fixedly arranged at the top of the outer cylinder body, the connecting rod assembly comprises a partition plate and a connecting rod vertically arranged at the center of the partition plate, the partition plate is positioned in the outer cylinder body and in clearance fit with the outer cylinder body, the partition plate divides the outer cylinder body into an upper chamber and a lower chamber, a circulation hole for communicating the upper chamber with the lower chamber is formed in the partition plate, the connecting rod extends out of the upper cover from the upper chamber and is fixedly connected with the bearing cover, a bottom spring is arranged in the lower chamber, two ends of the bottom spring are abutted against the bottom plate of the outer cylinder body and the partition plate, an upper spring is arranged in the upper chamber, the upper spring is sleeved on the connecting rod, two ends of the upper spring are abutted against the upper cover and the partition plate, and a damping agent is filled in the outer cylinder body.
3. A prefabricated transverse pillow vibration damping system according to claim 1, characterized in that: the sleeper is fixedly provided with a pressing pad, and the pressing pad is matched with the shell cover to vertically limit the sleeper.
4. A prefabricated transverse pillow vibration damping system according to claim 3, characterized in that: the center of cap is provided with the through-hole the edge of cap is provided with locking limit skirt, the upper edge of casing be provided with can with the protruding edge of locking limit skirt laminating installation, cap and casing cooperation form an upper portion open-ended cavity jointly.
5. A prefabricated transverse pillow vibration damping system according to claim 1, characterized in that: an anchor plate is arranged on the outer wall of the shell.
6. A prefabricated transverse pillow vibration damping system according to claim 5, wherein: the anchor plate comprises a plurality of vertical battens and transverse battens, the plurality of vertical battens are parallel to each other and are arranged at intervals, the plurality of transverse battens are parallel to each other and are arranged at intervals, and the plurality of vertical battens are perpendicular to the plurality of transverse half battens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710186465.4A CN107299560B (en) | 2017-03-27 | 2017-03-27 | Prefabricated transverse pillow vibration reduction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710186465.4A CN107299560B (en) | 2017-03-27 | 2017-03-27 | Prefabricated transverse pillow vibration reduction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299560A CN107299560A (en) | 2017-10-27 |
| CN107299560B true CN107299560B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710186465.4A Active CN107299560B (en) | 2017-03-27 | 2017-03-27 | Prefabricated transverse pillow vibration reduction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299560B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442185B (en) * | 2018-03-30 | 2019-10-25 | 东南大学 | Composite ballast bed with vibration-reducing vibration-isolation bandwidth regulation and its manufacturing method |
| CN111851168A (en) * | 2020-06-03 | 2020-10-30 | 南京铁道职业技术学院 | Buffers for subway tracks |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509862A1 (en) * | 1994-11-25 | 1996-05-30 | Moll Stewing Beton Und Fertigt | Track system for rail vehicles designed for ease of construction |
| CN101565921A (en) * | 2009-02-19 | 2009-10-28 | 江苏铁科环控工程有限公司 | Floating slab roadbed steel spring and rubber composite vibration isolator |
| EP2700838A1 (en) * | 2012-08-24 | 2014-02-26 | Igor Emri | Sleeper with damping element based on dissipative bulk or granular technology |
| CN103671677A (en) * | 2013-12-24 | 2014-03-26 | 北京九州一轨隔振技术有限公司 | Viscous damper |
| CN103952949A (en) * | 2014-05-21 | 2014-07-30 | 张锡祥 | FRP framework type rail sleeper structure |
| CN105484111A (en) * | 2015-12-11 | 2016-04-13 | 北京捷适中坤铁道技术有限公司 | Longitudinal sleeper vibration damping rail and vibration damping component thereof |
| CN103603241B (en) * | 2013-07-26 | 2016-08-10 | 北京九州一轨隔振技术有限公司 | Track system floating vibration isolation structure |
| CN205529701U (en) * | 2016-01-19 | 2016-08-31 | 七台河晟斯凯特新型建材有限公司 | Type of making an uproar sleeper falls in floating plate formula elasticity damping |
-
2017
- 2017-03-27 CN CN201710186465.4A patent/CN107299560B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509862A1 (en) * | 1994-11-25 | 1996-05-30 | Moll Stewing Beton Und Fertigt | Track system for rail vehicles designed for ease of construction |
| CN101565921A (en) * | 2009-02-19 | 2009-10-28 | 江苏铁科环控工程有限公司 | Floating slab roadbed steel spring and rubber composite vibration isolator |
| EP2700838A1 (en) * | 2012-08-24 | 2014-02-26 | Igor Emri | Sleeper with damping element based on dissipative bulk or granular technology |
| CN103603241B (en) * | 2013-07-26 | 2016-08-10 | 北京九州一轨隔振技术有限公司 | Track system floating vibration isolation structure |
| CN103671677A (en) * | 2013-12-24 | 2014-03-26 | 北京九州一轨隔振技术有限公司 | Viscous damper |
| CN103952949A (en) * | 2014-05-21 | 2014-07-30 | 张锡祥 | FRP framework type rail sleeper structure |
| CN105484111A (en) * | 2015-12-11 | 2016-04-13 | 北京捷适中坤铁道技术有限公司 | Longitudinal sleeper vibration damping rail and vibration damping component thereof |
| CN205529701U (en) * | 2016-01-19 | 2016-08-31 | 七台河晟斯凯特新型建材有限公司 | Type of making an uproar sleeper falls in floating plate formula elasticity damping |
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| CN107299560A (en) | 2017-10-27 |
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Addressee: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
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Address after: 102402 No.32, Guangmao Road, Doudian Town, Fangshan District, Beijing Applicant after: Beijing Jiuzhou first rail Environmental Technology Co.,Ltd. Address before: 100070, Fengtai District Science City, Spark Road 11, 6 blocks A, Beijing Office Park Applicant before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. |
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