CN204551147U - A kind of track noise reduction damping device based on liquid compression principle - Google Patents
A kind of track noise reduction damping device based on liquid compression principle Download PDFInfo
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- CN204551147U CN204551147U CN201520165772.0U CN201520165772U CN204551147U CN 204551147 U CN204551147 U CN 204551147U CN 201520165772 U CN201520165772 U CN 201520165772U CN 204551147 U CN204551147 U CN 204551147U
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- track
- damping device
- noise reduction
- fastening devices
- damping
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Abstract
The utility model relates to track traffic noise reduction field of shock absorption, and specifically a kind of track noise reduction damping device based on liquid compression principle, comprises fastening devices and damping device, fastening devices card in orbit, fixing for this device; Damping device is positioned at immediately below track, fits bottom its top and fastening devices, for reducing the noise of track generation and reducing Oscillation Amplitude; Fastening devices comprises bearing plate, gland and bolt, and gland side is formed with track and coordinates; Damping device comprises hydraulic cylinder, damping sealing band, hydraulic stem, hydraulic medium and piston, hydraulic cylinder is the shell structure of cuboid removing end face, is used for holding hydraulic medium, and damping sealing band is square ring-type, hydraulic stem upper surface welds with gland, and its side is formed with hydraulic cylinder and coordinates.The utility model utilizes the compressibility of liquid, using liquid as buffer medium, effectively raises the application life of device, utilizes liquid as acoustic isolation medium, have obvious noise reduction and damping effect.
Description
Technical field
The utility model relates to track traffic noise reduction field of shock absorption, specifically a kind of track noise reduction damping device based on liquid compression principle.
Background technology
In track traffic, will produce a certain amount of impact energy in wheel and rail contact process, the impact of vibration and noise on surrounding environment and building of generation is inevitable.In order to reduce the vibration & noise in vehicle travel process, general at track lower pad rubber or spring at present, but the rubber life-span is shorter, maintenance cost is comparatively large, and the damping of spring is less, and resilience recoil strength is large, damping and noise reduction not obvious.Therefore need to design new for being arranged on the track damped noise reduction device playing damping noise reduction effect below track.
Summary of the invention
For problems such as the track noise reduction damping device life-span of the prior art are shorter, cost is high, noise reduction damping effect is not obvious, the utility model provides kind of an a kind of track noise reduction damping device based on liquid compression principle, it utilizes the compressibility of liquid, using liquid as elastic fluid, effectively raise the application life of device, and have obvious noise reduction damping effect.
For achieving the above object, the technical scheme that the utility model provides is:
Based on a track noise reduction damping device for liquid compression principle, comprise fastening devices and damping device, described fastening devices is stuck in the position, middle and lower part of track, for being fixed in orbit by this device, described damping device is positioned at immediately below track, fits bottom its top and described fastening devices, for reducing the noise of track generation and reducing Oscillation Amplitude, described fastening devices comprises bearing plate, gland and bolt, described bearing plate is cuboid, for directly bearing the downward pressure of track, described gland quantity is two, one side profile is identical with track side surfaces the latter half profile, thus formed with track and coordinate, make connection more stable, rail lower part to be divided by the connection of bolt and is clipped in the middle by described gland and described bearing plate, described damping device comprises hydraulic cylinder, damping sealing band, hydraulic stem, hydraulic medium and piston, described hydraulic cylinder is the shell structure of the cuboid removing end face, be used for holding hydraulic medium, hydraulic stem and piston, described damping sealing band is square ring-type, its bottom shape is identical with the top surface shape of hydraulic cylinder, cushioning effect can be played on the one hand, on the other hand can to hydraulic cylinder sealing, described hydraulic stem is cuboid, its upper surface welds with described gland, the profile of its cross section is identical with the cross-sectional profiles of described hydraulic cylinder inner surface, thus formed with hydraulic cylinder and coordinate, described piston cross-section face size is identical with described hydraulic stem cross section size, its upper surface is fixedly connected with described hydraulic stem, its soffit contacts with described hydraulic medium upper surface.
The beneficial effect of the technical scheme adopting the utility model to provide is: this device utilizes the compressibility of liquid, using liquid as elastic fluid, effectively raises the application life of device, utilizes liquid as acoustic isolation medium, have obvious noise reduction and damping effect.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of track noise reduction damping device based on liquid compression principle of the present utility model;
Fig. 2 is the principle schematic of a kind of track noise reduction damping device based on liquid compression principle of the present utility model;
Label declaration in schematic diagram: 1. fastening devices; 2. damping device; 3. track; 101. bearing plate; 102. pressing plate; 103. bolt; 201. hydraulic cylinder; 202. damping sealing bands; 203. hydraulic stem; 204. hydraulic medium; 205. piston.
Detailed description of the invention
For understanding content of the present utility model further, by reference to the accompanying drawings the utility model is described in detail.
As shown in Figure 1, Figure 2, a kind of track noise reduction damping device based on liquid compression principle of the present utility model, comprise fastening devices 1 and damping device 2, described fastening devices 1 is stuck in the position, middle and lower part of track 3, for being fixed on the track 3 by this device, described damping device 2 is positioned at immediately below track 3, fits bottom its top and described fastening devices 1, for reducing the noise of track 3 generation and reducing Oscillation Amplitude, described fastening devices 1 comprises bearing plate 101, gland 102 and bolt 103, described bearing plate 101 is in cuboid, for directly bearing the downward pressure of track 3, described gland 102 quantity is two, one side profile is identical with track side surfaces the latter half profile, thus formed with track 3 and coordinate, make connection more stable, rail lower part to be divided by the connection of bolt 103 and is clipped in the middle by described gland 102 and described bearing plate 101, described damping device 2 comprises hydraulic cylinder 201, damping sealing band 202, hydraulic stem 203, hydraulic medium 204 and piston 205, described hydraulic cylinder 201 is the shell structure of the cuboid removing end face, be used for holding hydraulic medium 204, hydraulic stem 203 and piston 205, described damping sealing band 202 is square ring-type, its bottom shape is identical with the top surface shape of hydraulic cylinder 201, cushioning effect can be played on the one hand, can seal hydraulic cylinder 201 on the other hand, described hydraulic stem 203 is in cuboid, its upper surface welds with described gland 102, the profile of its cross section is identical with the cross-sectional profiles of described hydraulic cylinder 201 inner surface, thus formed with hydraulic cylinder 201 and coordinate, described piston 205 cross section size is identical with described hydraulic stem 203 cross section size, its upper surface is fixedly connected with described hydraulic stem 203, its soffit contacts with described hydraulic medium 204 upper surface.
When wheel rolls the track 3 at this device top, the fastening devices 1 be connected with track 3 drives hydraulic stem 203 to move downward, and hydraulic medium 204 and damping sealing band 202 are compressed, and the motion of track 3 is able to damping and buffering.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (4)
1. based on a track noise reduction damping device for liquid compression principle, comprise fastening devices (1) and damping device (2), it is characterized in that: described fastening devices (1) is stuck in the position, middle and lower part of track (3), described damping device (2) is positioned at immediately below track (3), fits in its top and described fastening devices (1) bottom, described fastening devices (1) comprises bearing plate (101), gland (102) and bolt (103), described bearing plate (101) is in cuboid, described gland (102) quantity is two, one side profile is identical with track side surfaces the latter half profile, and rail lower part to be divided by the connection of bolt (103) and is clipped in the middle by described gland (102) and described bearing plate (101), described damping device (2) comprises hydraulic cylinder (201), damping sealing band (202), hydraulic stem (203), hydraulic medium (204) and piston (205), described hydraulic cylinder (201) is the shell structure of the cuboid removing end face, described damping sealing band (202) is square ring-type, its bottom shape is identical with the top surface shape of hydraulic cylinder (201), described hydraulic stem (203) is in cuboid, its upper surface welds with described gland (102), the profile of its cross section is identical with the cross-sectional profiles of described hydraulic cylinder (201) inner surface, described piston (205) cross section size is identical with described hydraulic stem (203) cross section size, its upper surface is fixedly connected with described hydraulic stem (203), its soffit contacts with described hydraulic medium (204) upper surface.
2. a kind of track noise reduction damping device based on liquid compression principle according to claim 1, is characterized in that: described bolt (103) quantity is 4.
3. a kind of track noise reduction damping device based on liquid compression principle according to claim 1, is characterized in that: when track (3) is not by external force, described hydraulic medium (204) pressure is identical with atmospheric pressure.
4. a kind of track noise reduction damping device based on liquid compression principle according to claim 1, is characterized in that: described damping sealing band (202) material is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165772.0U CN204551147U (en) | 2015-03-23 | 2015-03-23 | A kind of track noise reduction damping device based on liquid compression principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520165772.0U CN204551147U (en) | 2015-03-23 | 2015-03-23 | A kind of track noise reduction damping device based on liquid compression principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204551147U true CN204551147U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520165772.0U Expired - Fee Related CN204551147U (en) | 2015-03-23 | 2015-03-23 | A kind of track noise reduction damping device based on liquid compression principle |
Country Status (1)
| Country | Link |
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| CN (1) | CN204551147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200871A (en) * | 2015-09-18 | 2015-12-30 | 成都明日星辰科技有限公司 | Track damping shock absorber |
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | Multidirectional hydraulic vibration reduction dynamic vibration absorber structure of steel rail |
-
2015
- 2015-03-23 CN CN201520165772.0U patent/CN204551147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200871A (en) * | 2015-09-18 | 2015-12-30 | 成都明日星辰科技有限公司 | Track damping shock absorber |
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | Multidirectional hydraulic vibration reduction dynamic vibration absorber structure of steel rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |