CN201597385U - Device for reducing noise of wheel tracks and wheel adopting same - Google Patents
Device for reducing noise of wheel tracks and wheel adopting same Download PDFInfo
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- CN201597385U CN201597385U CN2010200469011U CN201020046901U CN201597385U CN 201597385 U CN201597385 U CN 201597385U CN 2010200469011 U CN2010200469011 U CN 2010200469011U CN 201020046901 U CN201020046901 U CN 201020046901U CN 201597385 U CN201597385 U CN 201597385U
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- wheel
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- composite damping
- damping sheet
- metal composite
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Abstract
The utility model discloses a device for reducing noise of wheel tracks and a wheel adopting the same. The device is used for reducing noise of wheel tracks and comprises multiple layers of non-metal composite damping fins 2 with different hardness and a metal mounting lining plate 1, the multiple layers of non-metal composite damping fins with different hardness are fixedly riveted onto the metal mounting lining plate 1, and the metal mounting lining plate 1 is mounted on a rim of a wheel 3. The multiple layers of non-metal composite damping fins 2 have two to ten layers, and the thickness of each layer of non-metal composite damping fins ranges from 0.5mm to 10mm, and hardness range is Shore hardness A30 to D65. Materials of the device include thermoplastic elastic bodies TPE, thermoset chip die composite materials SMC and thermoset caked die composite materials BMC. An embodiment of the utility model is realized to overcome shortages that the device for reducing noises of wheel tracks in the prior art is complex in process and high in cost, thereby realizing low cost and high standardization of the device for reducing noise of wheel tracks.
Description
Technical field
The utility model relates to railway transport field, relates in particular to a kind of wheel that reduces the wheel-rail noise device and use this device.
Background technology
Urban light rail has also brought serious noise pollution when the traffic of giving people offers convenience.Owing to can rub, break away, clash into or push between wheel and the wheel track, therefore produced serious wheel-rail noise, these wheel-rail noises are one of overriding noise sources during rolling stock travels.Find after deliberation, the energy emission that wheel-rail noise produces based on rail vibration, these energy emissions belong to high frequency noise.
At present, the noise reduction measure that urban light rail adopted comprises: add lubricant and reduce wheel-rail noise, adopt gapless rail to reduce wheel-rail noise, adopt devices such as elasticity rail and elastic wheel to reduce wheel-rail noise on wheel track.
In realizing the utility model process, the contriver finds that there are the following problems at least in the prior art:
Though first, used in the prior artly on wheel track, add lubricant or adopt the measure of gapless rail can reduce wheel-rail noise to a certain extent, can't reduce overriding noise source---the high frequency noise of wheel-rail noise;
Though second, device such as elasticity rail used in the prior art and elastic wheel can reduce high frequency noise, its manufacturing process complexity, manufacturing cost is high.
Summary of the invention
It is simple that the purpose of this utility model provides a kind of technology, standardization level height, low cost of manufacture and effectively reduce the reduction wheel-rail noise device of high frequency noise.
The purpose of this utility model is achieved through the following technical solutions:
A kind of reduction wheel-rail noise device is used to be installed on the wheel 3 to reduce wheel-rail noise, comprises that the non-metal composite damping sheet 2 of multilayer different hardness and metal install liner plate 1; The non-metal composite damping sheet 2 of described multilayer different hardness is fixed in metal to be installed on the liner plate 1; Described metal is installed liner plate 1 and is installed on wheel 3 wheel rims.
The material of described non-metal composite damping sheet 2 is a High molecular material, comprises thermoplastic elastomer TPE, thermoset modulus composite material SMC on chip or the dress modulus composite material BMC of thermoset group.
The durometer level of described non-metal composite damping sheet 2 is Shao Shi Shore hardness A30～Shao Shi Shore hardness D65.
The number of plies of described non-metal composite damping sheet 2 is 2～10 layers.
Described non-metal composite damping sheet 2 every layer thickness are 0.5～10mm.
Described non-metal composite damping sheet 2 riveted and fixed are installed on the liner plate 1 in metal.
A kind of wheel is characterized in that, installs to comprise a plurality of above-mentioned reduction wheel-rail noise devices on the wheel rim of described wheel 3.
Described wheel 3 comprises that reducing the wheel-rail noise device is 6～12, is distributed on the wheel rim of described wheel 3.
The technical scheme that is provided by above-mentioned the utility model as can be seen, the wheel track denoising device that the utility model embodiment provides has overcome reduction high frequency noise device technique complexity of the prior art, shortcoming with high costs, make the cost that reduces wheel-rail noise significantly reduce, realized reaching the purpose of effective reduction high frequency noise with simple technology, high level standard and cheap cost.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The structural representation of the wheel track denoising device that Fig. 1 provides for the utility model embodiment;
The installation that Fig. 2 provides for the utility model embodiment the car wheel structure scheme drawing of wheel track denoising device;
The cross-sectional view of the wheel track denoising device that Fig. 3 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
For ease of understanding, below the utility model embodiment is described in detail.
As shown in Figure 1, the reduction wheel-rail noise device that the utility model embodiment provides is mainly used in and is installed on the wheel 3 to reduce wheel-rail noise, and its specific implementation structure is as follows:
This reduction wheel-rail noise device comprises the non-metal composite damping sheet 2 and the metal installation liner plate 1 of multilayer different hardness; The non-metal composite damping sheet 2 of corresponding multilayer different hardness is fixed in metal to be installed on the liner plate 1; Corresponding metal is installed liner plate 1 and is installed on wheel 3 wheel rims.
Wherein, corresponding non-metal composite damping sheet 2 can be thermoplastic elastomer TPE (being writing a Chinese character in simplified form of Thermoplastic Elastomer), thermoset modulus composite material SMC on chip (being writing a Chinese character in simplified form of Sheet MoldingCompound) or the dress modulus composite material BMC (being writing a Chinese character in simplified form of Bulk Molding Compound) of thermoset group with different size, and the thickness that is made into by injection moulding or mould pressing process with other High molecular materials is that 0.5～10mm, durometer level are the composite damping sheet of Shao Shi Shore hardness A30～Shao Shi Shore hardness D65.
Concrete, 2 stacks of non-metal composite damping sheet or the riveted and fixed of 2～10 layers of different hardness grade are installed on the liner plate 1 in metal, constitute multiple degree of freedom and reduce the wheel-rail noise device; Reduce the wheel-rail noise device to 6～12 with bolt and be installed in symmetrically and evenly on the wheel rim of wheel 3, so just can make vibrational energy be converted into thermal dissipation fast and fall by composite damping sheet 2.
Further, the utility model embodiment can adjust the elasticity and the damping of composite damping sheet by the hardness of regulating thermoplastic elastomer TPE, thereby regulates the vibration-absorbing denoising frequency limit of this reduction wheel-rail noise device; Also can pass through to adjust the combination between the different hardness grade composite damping sheet, thereby regulate the vibration-absorbing denoising frequency limit of this reduction wheel-rail noise device.Because therefore the High molecular material light weight impacts hardly to vehicle towed kinetic energy.
For making the purpose of this utility model, technical scheme and advantage clearer, below by example, in conjunction with respective drawings, embodiment describes in further detail to the utility model.
Embodiment one
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of wheel 3 of railcar, uniform 8 are reduced the wheel-rail noise devices on the wheel rim of this wheel 3.The corresponding concrete structure that reduces the wheel-rail noise device comprises: 4 layers of composite damping sheet 2 and 1 layer of metal are installed liner plate 1;
Wherein, two riveted joint mounting holes 4 are arranged all on corresponding every layer of composite damping sheet, corresponding metal is installed riveted joint mounting hole 5 and three and wheel mounting hole 6 on the liner plate; Corresponding 4 layers of composite damping sheet 2 are installed on the liner plate 1 in metal by riveted joint mounting hole 4 and riveted joint mounting hole 5 riveted and fixed; Utilize bolt 7 to pass three and wheel mounting hole 6 that corresponding metal is installed liner plate 1, it is installed on wheel 3 wheel rims.
Particularly, corresponding 4 layers of composite damping sheet 2 are respectively the first composite damping sheet 201, the second composite damping sheet 202, the 3rd composite damping sheet 203 and the 4th composite damping sheet 204, and it is thermoplastic elastomer TPE and other High molecular materials are made by mould pressing process; The hardness of the corresponding first composite damping sheet 201 is Shao Shi Shore hardness A30, and thickness is 2.5mm; The hardness of the corresponding second composite damping sheet 202 is Shao Shi Shore hardness D30, and thickness is 3mm; The hardness of corresponding the 3rd composite damping sheet 203 is Shao Shi Shore hardness A40, and thickness is 3mm; The hardness of corresponding the 4th composite damping sheet 204 is Shao Shi Shore hardness D60, and thickness is 3.5mm.
The composite damping sheet that this utility model embodiment makes by the different hardness grade material that is installed on the wheel reaches the purpose of vibration-absorbing denoising, and not only technology is simple, standardization level is high, and with low cost; Its realization actv. increases the damping coefficient of rail and wheel, has reduced wheel-rail noise.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. one kind is reduced the wheel-rail noise device, is used to be installed on wheel (3) and goes up to reduce wheel-rail noise, it is characterized in that, comprises the non-metal composite damping sheet (2) and the metal installation liner plate (1) of multilayer different hardness; The non-metal composite damping sheet (2) of described multilayer different hardness is fixed in metal to be installed on the liner plate (1); Described metal is installed liner plate (1) and is installed on wheel (3) wheel rim.
2. reduction wheel-rail noise device according to claim 1, it is characterized in that, the material of described non-metal composite damping sheet (2) is a High molecular material, comprises thermoplastic elastomer TPE, thermoset modulus composite material SMC on chip or the dress modulus composite material BMC of thermoset group.
3. reduction wheel-rail noise device according to claim 1 and 2 is characterized in that, the durometer level of described non-metal composite damping sheet (2) is Shao Shi Shore hardness A30～Shao Shi Shore hardness D65.
4. reduction wheel-rail noise device according to claim 1 and 2 is characterized in that the number of plies of described non-metal composite damping sheet (2) is 2～10 layers.
5. reduction wheel-rail noise device according to claim 1 and 2 is characterized in that the thickness that described non-metal composite damping sheet (2) is every layer is 0.5～10mm.
6. reduction wheel-rail noise device according to claim 1 and 2 is characterized in that, described non-metal composite damping sheet (2) riveted and fixed is installed on the liner plate (1) in metal.
7. a wheel is characterized in that, installs to comprise each described reduction wheel-rail noise device in a plurality of above-mentioned 1 to 6 on the wheel rim of described wheel (3).
8. wheel according to claim 7 is characterized in that, described reduction wheel-rail noise device is 6～12, is distributed on the wheel rim of described wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469011U CN201597385U (en) | 2010-01-14 | 2010-01-14 | Device for reducing noise of wheel tracks and wheel adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469011U CN201597385U (en) | 2010-01-14 | 2010-01-14 | Device for reducing noise of wheel tracks and wheel adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201597385U true CN201597385U (en) | 2010-10-06 |
Family
ID=42808434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200469011U Expired - Lifetime CN201597385U (en) | 2010-01-14 | 2010-01-14 | Device for reducing noise of wheel tracks and wheel adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201597385U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358103A (en) * | 2011-08-22 | 2012-02-22 | 西南交通大学 | Train wheel silencer |
| CN104455148A (en) * | 2014-11-20 | 2015-03-25 | 哈尔滨通达工业环保自动化有限公司 | Vibration and noise reduction damper for elastic wheels of railcar |
| TWI547389B (en) * | 2013-03-28 | 2016-09-01 | Nippon Steel & Sumitomo Metal Corp | Noise - proof wheels for railway vehicles |
| CN106573492A (en) * | 2014-07-24 | 2017-04-19 | 新日铁住金株式会社 | Noise-damped wheel for railway vehicle |
-
2010
- 2010-01-14 CN CN2010200469011U patent/CN201597385U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358103A (en) * | 2011-08-22 | 2012-02-22 | 西南交通大学 | Train wheel silencer |
| CN102358103B (en) * | 2011-08-22 | 2013-10-16 | 西南交通大学 | Train wheel silencer |
| TWI547389B (en) * | 2013-03-28 | 2016-09-01 | Nippon Steel & Sumitomo Metal Corp | Noise - proof wheels for railway vehicles |
| CN106573492A (en) * | 2014-07-24 | 2017-04-19 | 新日铁住金株式会社 | Noise-damped wheel for railway vehicle |
| CN104455148A (en) * | 2014-11-20 | 2015-03-25 | 哈尔滨通达工业环保自动化有限公司 | Vibration and noise reduction damper for elastic wheels of railcar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |