CN209636560U - It is road bed board frequency adjusting damping device, floating ballast bed - Google Patents
It is road bed board frequency adjusting damping device, floating ballast bed Download PDFInfo
- Publication number
- CN209636560U CN209636560U CN201821446402.4U CN201821446402U CN209636560U CN 209636560 U CN209636560 U CN 209636560U CN 201821446402 U CN201821446402 U CN 201821446402U CN 209636560 U CN209636560 U CN 209636560U
- Authority
- CN
- China
- Prior art keywords
- bed board
- road bed
- damping device
- frequency adjusting
- adjusting damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Railway Tracks (AREA)
Abstract
The utility model relates to rail traffic vibration isolation technique fields, disclose a kind of road bed board and its road bed board frequency adjusting damping device, it includes fixed bracket and ballast box, the fixed bracket includes the substrate that both ends are connect with steel spring road bed board respectively, and positioned at U-shaped connection component substrate lower section and connect with the substrate, the ballast box is placed on the U-shaped connection component.Road bed board and its road bed board frequency adjusting damping device provided by the utility model can be effectively reduced amplitude of the steel spring floating slab within the scope of intrinsic frequency, consume the vibrational energy in characteristic frequency region, while playing better vibration isolating effect, the internal car noise of steel spring floating slab section is reduced.
Description
Technical field
The utility model relates to rail traffic vibration isolation technique field more particularly to a kind of road bed board frequency adjusting damping device, with
And including the floating ballast bed of above-mentioned road bed board frequency adjusting damping device.
Background technique
With the development of Chinese Urbanization, urban rail transit construction is stepped up, while with the raising of train running speed
With the increase of rate of traffic flow, the influence to surrounding enviroment is also further serious.To adapt to urbanization process and resident living environment
It builds together demand, Construction of Urban Rail Traffic proposes increasingly higher demands to sensitive point protection along the line.Currently, steel spring floating slab
It is the best urban track traffic railway roadbed vibration insulating system of current effectiveness in vibration suppression, intrinsic frequency is usually current track in 5-9Hz
Minimum in vibration insulating system, effectiveness in vibration suppression can achieve 20dB.But it when train passes through steel spring floating slab section, can produce
Life sinks to the bottom low-frequency noise, influences passenger comfort.
Utility model content
(1) technical problems to be solved
One purpose of the utility model is to provide a kind of road bed board frequency adjusting damping device that effect of vibration and noise reduction is good.
Another purpose of the utility model is to provide a kind of good floating ballast bed of effect of vibration and noise reduction.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of road bed board frequency adjusting damping device comprising Gu
Fixed rack and ballast box, the fixed bracket include the substrate that both ends are connect with steel spring road bed board respectively, and are located at institute
The U-shaped connection component connecting below substrate and with the substrate is stated, the ballast box is placed on the U-shaped connection component.
Wherein, the U-shaped connection component includes web and the rigid connecting rod that connect respectively with the two sides of the web,
The top of the rigid connecting rod is provided with radial protrusion portion, described rigid between the radial protrusion portion and the substrate
Elastic component is arranged in property connecting rod.
Wherein, the connecting rod is using rigid connecting rod or damping cylinder.
Wherein, the upper end of the connecting rod is provided with screw thread, and the radial protrusion portion is used to be connected with the connecting rod screw thread
The nut connect.
Wherein, the elastic component uses spring.
Wherein, the quantity of the U-shaped connection component is multiple, and the multiple U-shaped connection components are between the ballast box
Every setting.
Wherein, the ballast box includes cabinet and the lid with cabinet cooperation, is provided in the cabinet several
Cell.
Wherein, the road bed board is embedded with threaded sleeve, and the substrate is via the spiral shell on bolt and the road bed board
Line casing connection.
The utility model additionally provides a kind of floating ballast bed comprising the muti-piece road bed board being successively laid with by tandem,
The both ends of each road bed board are respectively equipped with groove structure, and the groove structure of two adjacent road bed boards is enclosed
One through-hole；It further include road bed board frequency adjusting damping device as described above, the road bed board frequency adjusting damping device is mounted on described logical
At hole.
Wherein, the top of the through-hole is equipped with cover board.
(3) beneficial effect
Provided by the utility model floating ballast bed and its road bed board frequency adjusting damping device includes fixed bracket and counterweight
Case, the fixed bracket include the substrate that both ends are connect with road bed board respectively, and be located at below the substrate and with the base
The U-shaped connection component of plate connection, the ballast box are placed on the U-shaped connection component.Using logical on floating plate when use
Through-hole between hole or floating plate installs the road bed board frequency adjusting damping device, in the intrinsic frequency section of steel spring floating slab
Vibration damping energy dissipating design is carried out, which can be effectively reduced steel spring floating slab solid
There is the amplitude in frequency range, consume the vibrational energy in characteristic frequency region, while playing better vibration isolating effect, reduces
The internal car noise of steel spring floating slab section.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to a floating ballast bed preferred embodiment of one kind of the utility model；
Fig. 2 is the structural schematic diagram of the road bed board frequency adjusting damping device in Fig. 1；
Fig. 3 is the schematic top plan view of the road bed board frequency adjusting damping device in Fig. 2；
Fig. 4 is the right side schematic view of the road bed board frequency adjusting damping device in Fig. 2；
Fig. 5 is the schematic diagram of internal structure of the ballast box of the road bed board frequency adjusting damping device in Fig. 2.
In figure, 1: road bed board；2: groove structure；3: road bed board frequency adjusting damping device；31: substrate；32: ballast box；33: even
Extension bar；34: elastic component；35: radially protruding part.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
Fig. 1 to Fig. 5 shows an a kind of preferential implementation of road bed board frequency adjusting damping device 3 according to the present utility model
Example.As depicted in figs. 1 and 2, which includes fixed bracket and ballast box 32, the fixation bracket packet
The substrate 31 that both ends are connect with steel spring road bed board 1 respectively is included, and positioned at U-shaped substrate 31 lower section and connect with substrate 31
Connection component, wherein ballast box 32 is placed on U-shaped connection component.The road bed board frequency adjusting damping device 3 is mounted on when use
Various prefabricated railway roadbeds or middle part are with floating ballast bed inside or surfaces such as cavity, grooves, in the intrinsic frequency of steel spring floating slab
Rate section carries out vibration damping energy dissipating design, so that amplitude of the steel spring floating slab within the scope of intrinsic frequency be effectively reduced, consumption is special
The vibrational energy in frequency range is levied, while playing better vibration isolating effect, the car for reducing steel spring floating slab section is made an uproar
Sound.
Specifically, U-shaped connection component includes web and the connecting rod connecting respectively with the two sides of web 33, wherein even
The top of extension bar 33 is provided with radially protruding part 35, is arranged in the connecting rod 33 between radially protruding part 35 and substrate 31
Elastic component 34, itself intrinsic frequency can be adjusted interior on a large scale.It is preferred that elastic component 34 uses spring, it should be noted that
It will be understood by those of skill in the art that elastic component 34 can also use rubber in some other embodiment of the utility model
Cushion rubber etc..
Preferably, the upper end of connecting rod 33 is provided with screw thread, and the use of radially protruding part 35 is threadedly coupled with connecting rod 33
Nut, will pass through the nut of lower end to apply pretightning force to elastic component 34.The road bed board frequency adjusting damping device 3 is by connecting
The outer sheathed spring of bar 33, and pretightning force is applied by nut, to realize a wide range of adjusting of rigidity.
In this embodiment, connecting rod 33 uses rigid connecting rod, it should be noted that those skilled in the art should
Understand, in some other embodiment of the utility model, damping cylinder substitution is can also be used in connecting rod 33, to further increase
The damping of the road bed board frequency adjusting damping device 3.
In this embodiment, the quantity of U-shaped connection component is 2, and 2 U-shaped connection components are located at ballast box 32
Both ends.It should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model, U-shaped
The quantity of connection component may be 1 or 2 or more.
For the ease of adjusting the quality of ballast box 32, preferably ballast box 32 includes cabinet and the lid with cabinet cooperation.
When needing to adjust the quality of ballast box 32, it is put into mass block into cabinet by opening lid, bulk solid, example can also be filled
Such as steel slag, iron powder, sand, cobble material, are adjusted for the quality to ballast box 32.Preferably, it is provided in cabinet
Several cells.To ballast box 32 carry out counterweight when, can to plants case at least partly cell in add mass block or
Person's granule, to further increase effect of vibration and noise reduction.
In addition, the inner surface of preferably cabinet and lid is provided with damping layer in order to further increase effectiveness in vibration suppression, in addition,
It, can also be it should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model
Filled solid damping material in cabinet, such as rubber and foam-plastic blocks etc..
In this embodiment, the web of substrate 31 and U-shaped connection component is all made of L shaped plate, the upper end of connecting rod 33 and base
Plate 31 using being threadedly coupled, using being threadedly coupled, in order to processing and installation, safeguard with web by the lower end of rigid connecting rod 33.
In addition, the invention also discloses a kind of floating ballast bed comprising the muti-piece road being successively laid with by tandem
Bed board 1, the both ends of each road bed board 1 are respectively equipped with groove structure 2, and the groove structure 2 of two adjacent road bed boards 1 encloses shape
At a through-hole；It further includes road bed board frequency adjusting damping device 3 as described above, the road bed board frequency adjusting damping device 3 that this is floating ballast bed
It is mounted on through hole.Specifically, it is installed after the jacking of road bed board 1.
Preferably, threaded sleeve is embedded on road bed board, by bolt by substrate 31 and the spiral shell that is embedded on floating plate
Bolt casing is fixed, easy to maintain so that replacement is convenient, the features such as from safeguarding.
Preferably, cover board is installed on the top of the through-hole, it is empty with stepping on during effectively avoiding the stream of people from evacuating, collide with etc. it is existing
As, it is ensured that evacuating personnel safety improves safety.
It is floating that provided by the utility model floating ballast bed and its road bed board frequency adjusting damping device 3 can be effectively reduced steel spring
Amplitude of the plate within the scope of intrinsic frequency is set, the vibrational energy in characteristic frequency region is consumed, plays better vibration isolating effect
Meanwhile reducing the internal car noise of steel spring floating slab section.The road bed board frequency adjusting damping device 3 has strong applicability, vibration damping effect
Fruit is excellent, safe and efficient feature.While guaranteeing vibration damping, the vibration amplitude of aerosol railway roadbed is reduced, to reach security row
The purpose of vehicle.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of road bed board frequency adjusting damping device, which is characterized in that including fixed bracket and ballast box, the fixed bracket packet
The substrate that both ends are connect with steel spring road bed board respectively is included, and positioned at U-shaped substrate lower section and connect with the substrate
Connection component, the ballast box are placed on the U-shaped connection component.
2. road bed board frequency adjusting damping device as described in claim 1, which is characterized in that the U-shaped connection component includes web
And the rigid connecting rod connecting respectively with the two sides of the web, the top of the rigid connecting rod are provided with radial protrusion
Portion is arranged with elastic component on the rigid connecting rod between the radial protrusion portion and the substrate.
3. road bed board frequency adjusting damping device as claimed in claim 2, which is characterized in that the connecting rod uses rigid connecting rod
Or damping cylinder.
4. road bed board frequency adjusting damping device as claimed in claim 2, which is characterized in that the upper end of the connecting rod is provided with spiral shell
Line, the radial protrusion portion use the nut being threadedly coupled with the connecting rod.
5. road bed board frequency adjusting damping device as claimed in claim 2, which is characterized in that the elastic component uses spring.
6. road bed board frequency adjusting damping device as described in claim 1, which is characterized in that the quantity of the U-shaped connection component is
Multiple, the multiple U-shaped connection components are arranged along the ballast box interval.
7. such as road bed board frequency adjusting damping device of any of claims 1-6, which is characterized in that the ballast box includes
Cabinet and lid with cabinet cooperation, are provided with several cells in the cabinet.
8. such as road bed board frequency adjusting damping device of any of claims 1-6, which is characterized in that the road bed board is pre-buried
There is threaded sleeve, the substrate is connect via bolt with the threaded sleeve on the road bed board.
9. a kind of floating ballast bed, which is characterized in that including the muti-piece road bed board being successively laid with by tandem, each railway roadbed
The both ends of plate are respectively equipped with groove structure, and the groove structure of two adjacent road bed boards is enclosed a through-hole；Also wrap
It includes such as road bed board frequency adjusting damping device of any of claims 1-8, the road bed board frequency adjusting damping device is mounted on
The through hole.
10. as claimed in claim 9 floating ballast bed, which is characterized in that the top of the through-hole is equipped with cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446402.4U CN209636560U (en) | 2018-09-05 | 2018-09-05 | It is road bed board frequency adjusting damping device, floating ballast bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446402.4U CN209636560U (en) | 2018-09-05 | 2018-09-05 | It is road bed board frequency adjusting damping device, floating ballast bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636560U true CN209636560U (en) | 2019-11-15 |
Family
ID=68472548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821446402.4U Active CN209636560U (en) | 2018-09-05 | 2018-09-05 | It is road bed board frequency adjusting damping device, floating ballast bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209636560U (en) |
-
2018
- 2018-09-05 CN CN201821446402.4U patent/CN209636560U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105908581B (en) | A kind of composite particles damper for reducing rail vibration noise | |
| CN201738195U (en) | Composite damper spring vibration isolator for floating slab tracks in rail transit | |
| CN202509337U (en) | Vibration-damping noise-reducing integral ballast bed with constrained damping structure | |
| CN202530345U (en) | Steel rail absorber | |
| CN101949115A (en) | Vibration isolation device for track traffic | |
| CN206887640U (en) | A kind of damping sound absorption frame based on flush type track | |
| CN110593023A (en) | Vibration and noise reduction device for track floating plate | |
| CN216074539U (en) | Floating rail vibration reduction fastener | |
| CN109112909A (en) | A kind of track vibration-reducing device | |
| CN107503247B (en) | Piston type particle damping energy-consumption vibration reduction sleeper | |
| CN111749056A (en) | Comprehensive damping vibration-damping noise-reducing device for mass-distributed steel rail | |
| CN209636560U (en) | It is road bed board frequency adjusting damping device, floating ballast bed | |
| CN102268850A (en) | Damping shock absorber for track | |
| CN209178729U (en) | Floating ballast bed frequency adjusting damping system | |
| CN109112910A (en) | Floating ballast bed frequency adjusting damping system | |
| CN117721671A (en) | Embedded track structure suitable for existing subway vibration damping and noise reduction transformation | |
| CN212688579U (en) | Vibration and noise reduction device for track floating plate | |
| CN202954286U (en) | Plate type rubber damp vibration isolator for floating slab rail | |
| CN111778781A (en) | Rigidly-connected broadband composite steel rail dynamic vibration absorption device | |
| CN204492833U (en) | A kind of track traffic underground construction vibration-proof structure | |
| CN207644388U (en) | A kind of novel noise reduction floor panel structure used for rail vehicle | |
| CN204875576U (en) | Protective screen is handled to wedge noise | |
| CN207244351U (en) | A kind of particle damping energy dissipation vibration reducing track plate | |
| CN214656017U (en) | Dynamic vibration damping device, floating plate structure with same and floating plate track system | |
| CN212801038U (en) | Rigidly connected broadband composite steel rail dynamic vibration absorption device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102402 No.32, Guangmao Road, Doudian Town, Fangshan District, Beijing Patentee 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 Patentee before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. |