CN203498771U - Rail transit externally-hung type sound barrier - Google Patents
Rail transit externally-hung type sound barrier Download PDFInfo
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- CN203498771U CN203498771U CN201320592715.1U CN201320592715U CN203498771U CN 203498771 U CN203498771 U CN 203498771U CN 201320592715 U CN201320592715 U CN 201320592715U CN 203498771 U CN203498771 U CN 203498771U
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- sound barrier
- type sound
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Abstract
The utility model discloses a rail transit externally-hung type sound barrier. The rail transit externally-hung type sound barrier comprises a plurality of steel columns positioned at one side of a rail, and adjacent steel columns are interconnected and fixed by support crossbeams; one side, far from the rail, of each steel column is provided with a guardrail plate, and sound absorbing and insulating screen bodies are positioned over the guardrail plate; each steel column is provided with a through hole used for allowing a steel wire rope to pass through; and the rail transit externally-hung type sound barrier also comprises a noise sensor positioned at one side, far from the rail, of the sound absorbing and insulating screen bodies, and the noise sensor is connected with a control circuit connected with a battery. The rail transit externally-hung type sound barrier has the beneficial effects that 1) structure is durable and performance is stable; 2) main engineering construction of the rail transit is kept off, installation is convenient, and appearance streamline is good; 3) various cable lines are effectively prevented from being exposed to the sun; 4) noises at an outer side of the rail transit externally-hung type sound barrier can be monitored in real time; and 5) a noise reduction sound insulation index of the rail transit externally-hung type sound barrier is 10-15dB(A).
Description
Technical field
The utility model relates to a kind of sound barrier, relates in particular to a kind of track traffic external hanging type sound barrier.
Background technology
Along with social progress and the development in city, people's living standard constantly improves, and urban traffic and Intercity Transportation have become the most closely-related problem with us.Therefore, reduce the invasion of noise to road both sides resident, become a vital task in the city-building of current China, building up of a large amount of expressways, being open to traffic of urban light rail, intercity light rail and high-speed railway, bring great convenience to our trip, but stay in the impact that near the resident of these expressways, light rail and high ferro is standing traffic noise simultaneously.In order to improve civic dwelling environment, relevant department is in road both sides and light rail, high ferro etc. are along the line that various sound absorption sound barriers have around been installed.
At present, most sound barrier is all selected the product of sound absorption and sound insulation mixed type, and the feature of this product is that the generation of track noise and transfer characteristic are controlled targetedly.Track traffic sound absorption sound barrier is arranged on the cement floor of track both sides or on guardrail, the steel post of sound barrier and catenary mast are arranged on same line conventionally, for playing the wire rope of the firm catenary mast that stretches, also want oblique pull to fix simultaneously, and between the steel post of sound barrier, being also provided with horizontal supporting traverse, this has just brought difficulty to the installation of sound barrier.
Simultaneously, existing rail traffic noise barrier does not all have instant noise monitor system, once in track traffic circulation process sound barrier occur to damage or at the beginning of installing sound barrier just there is sound insulation leak, in causing using, cannot well play soundproof effect, surrounding enviroment are caused noise pollution and fail to obtain immediately monitoring.
Piezo-electric effect of the prior art, is that piezoelectric is exerted pressure, and its surface produces electric charge, and the quantity of electric charge of generation is directly proportional to pressure, is referred to as direct piezoelectric effect; Otherwise apply voltage, will produce mechanical stress, be referred to as inverse piezoelectric effect.Piezoelectric has very high energy density, and peak value reaches 100～10000Kw/Kg, by pressure electricity-generating, has applied to many fields.For example CN101873081B discloses a kind of pressure power-generating system for bus; Meanwhile, patent 200920353001.9 discloses a kind of electricity-generating floor; Patent 201220106635.6 also discloses a kind of energy saving and environment friendly electricity-generating floor; Patent 201010215458.0 discloses a kind of pedal type continuous vibration piezoelectric generating device; And application number 201210431827.9 discloses a kind of Trample generating set, it is all the device generating electricity by piezoelectric.Because the weight of track vehicle is larger, in its running, to its perimeter zone, can produce sharp pounding, be therefore necessary that the vibrations that utilize track vehicle to produce generate electricity when advancing, supplied the need for electricity of distinct device.
Utility model content
The purpose of this utility model is to provide a kind of stabilized structure, is convenient to install, and can immediately to track traffic surrounding enviroment, carry out the track traffic external hanging type sound barrier of noise monitoring.
For addressing the above problem, a kind of track traffic external hanging type sound barrier of the present utility model, comprises a plurality of steel posts that are positioned at track one side, between adjacent steel column, by supporting traverse, is interconnected and fixed; At described steel post, near a side of track, be provided with cable bearer, on described cable bearer, be coated with sunshade acoustical board; At described steel post, away from a side of track, be provided with guardrail board, sound absorption and insulation screen body is positioned at described guardrail board top; Described sound absorption and insulation screen body is fixed as one by the first gobo body setting gradually from top to bottom, acoustic screen body and the second gobo body, and a sound absorption and insulation screen body being fixed as one is installed between every two adjacent steel posts; On described steel post, be provided with the through hole for steel wire penetrating, described wire rope one end oblique pull is fixed on ground in catenary mast upper end and through the other end after described through hole; Described track traffic external hanging type sound barrier also comprises that being positioned at sound absorption and insulation shields body away from the sensor noise of track one side, and this sensor noise is connected with control circuit, and control circuit is connected with battery.
Described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
In the lower end of described the second gobo body, be provided with and execute weight plate, be positioned at and execute weight plate below and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer, wire and battery; Described piezoelectric material layer contacts with executing weight plate below being positioned at and executing weight plate, can be subject to executing the extruding of weight plate; Piezoelectric material layer is connected with bridge rectifier, stabilizator and battery successively by wire.
The described weight plate of executing is a plurality of, and each executes weight plate upper surface and be provided with vertical lead, and this lead overcoat has Compress Spring, and the lower surface of described the second gobo body offers pilot hole simultaneously, and described lead stretches in this pilot hole; Described in described Compress Spring one end withstands on, execute on the upper surface of weight plate, the other end withstands on the lower surface of described the second gobo body, gives respectively to execute weight plate and the second gobo body is separated from each other the power of trend with the two.
Described the first gobo body upper middle position is provided with fixed axis, and this fixed axis is through the fixed shaft hole on described supporting traverse; Described fixed axis and described fixed shaft hole matched in clearance, and this gap location is provided with cushion coat; Between every two adjacent sound absorption and insulation screen bodies, be provided with " work " shape slide rail, two sound absorption and insulation screen bodies are inserted into respectively the left and right two ends of " work " shape slide rail, and with " work " shape slide rail matched in clearance, its fitting face is smooth structure.
Described a plurality of position that weight plate is symmetricly set on the close left and right two ends of described the second gobo body lower surface of executing.
Below described piezoelectric material layer, be provided with the supporting steel plate being fixed on steel post, for supporting piezoelectric material layer; Lower horizontal at described supporting steel plate is equipped with the 3rd gobo body; At described Compress Spring, execute weight plate and piezoelectric material layer away from a side of track, be provided with the 4th gobo body.
A kind of track traffic external hanging type sound barrier of the present utility model, compared with prior art, has following beneficial effect:
1) structure durable, stable performance;
2) dodged the major project construction of track traffic, easy for installation, exterior flow good linearity;
3) effectively avoided various cable runs being exposed to the sun in the sun;
4) can to the noise in rail traffic noise barrier outside, monitor in real time;
5) the noise reduction sound insulation factor of track traffic external hanging type sound barrier is 10～15dB (A).
Accompanying drawing explanation
Fig. 1 is track traffic external hanging type noise barrier structure schematic diagram of the present utility model;
Fig. 2 is the structure enlarged drawing of A portion in Fig. 1;
Fig. 3 is track traffic external hanging type noise barrier structure schematic diagram of the present utility model;
Fig. 4 is Compress Spring and the mounting structure schematic diagram of executing weight plate in track traffic external hanging type sound barrier of the present utility model;
Fig. 5 is the mounting structure schematic diagram of supporting traverse and fixed axis in track traffic external hanging type sound barrier of the present utility model;
Fig. 6 is the mounting structure schematic diagram of " work " shape slide rail in track traffic external hanging type sound barrier of the present utility model;
Fig. 7 is the mounting structure schematic diagram of steel post and wire rope in track traffic external hanging type sound barrier of the present utility model;
Fig. 8 is the system block diagram of noise monitoring system in track traffic external hanging type sound barrier of the present utility model.
The specific embodiment
In order to make those skilled in the art person understand better technical solutions of the utility model, below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of track traffic external hanging type sound barrier of the present utility model, comprises a plurality of steel posts 3 that are positioned at track 100 1 sides, between adjacent steel column 3, by supporting traverse 6, is interconnected and fixed; At described steel post, near a side of track, be provided with cable bearer 8, on described cable bearer 8, be coated with sunshade acoustical board 5, end face and the side of these sunshade acoustical board 5 covering cable supports 8, play protective action to the cable on cable bearer 8.
At described steel post 3, away from a side of track 100, be provided with guardrail board 7, sound absorption and insulation screen body is positioned at described guardrail board top.
Described sound absorption and insulation screen body is fixed as one by the first gobo body 1a setting gradually from top to bottom, acoustic screen body 2 and the second gobo body 1b, and a sound absorption and insulation screen body being fixed as one is installed between every two adjacent steel posts 3.
On described steel post 3, be provided with the through hole 9 passing for wire rope 10, described wire rope 10 one end oblique pulls are fixed on ground in catenary mast 11 upper ends and through the rear other end of described through hole 9.
When being installed, sound absorption and insulation screen body need consider the supporting traverse 6 of 3 of the oblique pull position of oblique pull supporting steel-cable 10 of catenary mast 11 and sound barrier steel posts, therefore sound absorption and insulation screen body is arranged on to steel post 3 outsides to avoid inconsistent with wire rope 10, thereby and according to the position of wire rope 10 oblique pulls supports, carries out the supporting traverse that perforate reaches the installation of catenary mast 11 oblique pull wire rope 10 and sound barrier is installed in the position of avoiding wire rope 10 supports on the listrium of steel post 3.The external hanging type sound barrier of said structure has effectively been dodged the major project of track traffic and has been constructed in installation process, easy for installation, exterior flow good linearity.
Described track traffic external hanging type sound barrier is also provided with noise monitoring system, comprises and is positioned at sound absorption and insulation screen body away from the sensor noise 107 of track 100 1 sides.
As shown in Figure 8, this sensor noise 107 is connected with control circuit, and control circuit is connected with battery (not shown).
Described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
Meanwhile, this mobile wireless network transmitter module is sent to signal the mobile wireless network receiver module of noise monitoring head station, and mobile wireless network receiver module passes to signal the processing such as central processing unit analysis, judgement, and is shown by display screen.
In the lower end of described the second gobo body 1b, be provided with and execute weight plate 102, be positioned at and execute weight plate 102 belows and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer 103, wire (not shown) and battery.
Described piezoelectric material layer 103 is positioned to be executed weight plate 102 belows and contacts with executing weight plate 102, and the extruding that can be subject to executing weight plate 102 is generated electricity; Piezoelectric material layer 103 is connected with bridge rectifier, stabilizator (not shown) and battery successively by wire.
When track vehicle passes through, can cause the vibrations of sound barrier, thereby making to execute weight plate can exert pressure repeatedly to piezoelectric material layer, make piezoelectric material layer surface produce electric charge, and by after rectification, voltage stabilizing, battery is charged, and then can supply the electricity consumption of sensor noise and control circuit thereof.
As shown in Figure 2,3, 4, execute weight plate 102 for a plurality of, and each is executed weight plate 102 upper surfaces and is provided with vertical lead 120, these lead 120 overcoats have Compress Spring 101, the lower surface of described the second gobo body 1b offers pilot hole 111 simultaneously, and described lead 120 stretches in this pilot hole 111; Described in described Compress Spring 101 one end withstand on, execute on the upper surface of weight plate 102, the other end withstands on the lower surface of described the second gobo body 1b, gives respectively to execute weight plate 102 and the second gobo body 1b is separated from each other the power of trend with the two.
Due to track vehicle by time can cause the vibrations of sound barrier, and this vibrations are irregular vibrations, so in vibrations process, the weight of sound absorption and insulation screen body can not evenly be applied on piezoelectric material layer.And will execute weight plate, by a monoblock, be partitioned into polylith, execute weight plate independence transmission of pressure for every, adjacent executing between weight plate do not produce the pulling force that pins down each other, and making every, to execute weight plate vibrations freer, improves the utilization rate of vibrational energy.
At every, execute on weight plate and be provided with Compress Spring, do not losing under the prerequisite of vibration energy, can form buffering executing between weight plate and the second gobo body, avoid in vibrations frequently between parts because firmly contacting and cause fatigue damage; The setting of lead, can avoid Compress Spring generation skew back, and lead is moved in lead hole, also can increase overall structure stability.
As shown in Figure 5, described the first gobo body 1a upper middle position is provided with fixed axis 106, and this fixed axis 106 is through the fixed shaft hole 108 on described supporting traverse 6; Described fixed axis 106 and described fixed shaft hole 108 matched in clearance, and this gap location is provided with cushion coat 110.
Because described fixed axis 106 and the center of gravity of sound absorption and insulation screen body are positioned on same vertical line, thereby can guaranteeing fixed axis 106, one side bears evenly the weight of sound absorption and insulation screen body, be not offset, so that increase integrally-built stability; Fixed axis 106 is positioned on the vertical line of the sound absorption and insulation screen body weight heart on the other hand, the sound absorption and insulation screen body that is positioned at fixed axis 106 left and right sides divides gravity balance, when track vehicle causes vibrations, the state that alternately lift in one end all the time at two ends, left and right, the other end sinks of this sound absorption and insulation screen body, and one end in sinking state is because Compress Spring is in compressive state, this end of jack-up can make progress, thereby make this end increase, the other end sinks, and so forth, can effectively improve the utilization rate of vibration energy, increase generating efficiency.
Fixed axis 106 is arranged on the first gobo body 1a upper middle position simultaneously, rather than be arranged in the middle part of the first gobo body 1a or the centre position of bottom, also can increase preferably comparatively speaking structural stability, the sound absorption and insulation that cause if avoid being arranged on the centre position of the first gobo body 1a middle part or bottom are shielded body crank, are had the situation of the trend of tilting forward and back to occur.
Described fixed axis 106 and described fixed shaft hole 108 matched in clearance, for the interference fit of the two, can not hinder the vibration amplitude of sound absorption and insulation screen body; And the cushion coat setting of the two gap location also can be avoided, between fixed axis 106 and fixed shaft hole 108, hard hit occurs and hits and cause damage.
As shown in Figure 3, described a plurality of position that weight plate 102 is symmetricly set on the close left and right two ends of described the second gobo body 1b lower surface of executing.
Due to the setting of fixed axis 106, make in vibrations process sound absorption and insulation screen two ends, body left and right vibration amplitude larger, middle part vibration amplitude is less, therefore at the second middle part, gobo body 1b lower surface, arranges to execute weight plate and piezoelectric material layer is unnecessary; The second gobo body 1b lower surface middle part is set to sky simultaneously, make in vibrations process strength all by the piezoelectric material layer at two ends, left and right, born, can further improve the utilization rate of vibration energy, increase generating efficiency.
As shown in Figure 6, between every two adjacent sound absorption and insulation screen bodies, be provided with " work " shape slide rail 109, two sound absorption and insulation screen bodies are inserted into respectively the left and right two ends of " work " shape slide rail 109, and with " work " shape slide rail 109 matched in clearance, its fitting face is smooth structure.
Be somebody's turn to do the setting of " work " shape slide rail 109, it is fixed on steel post 3, installation sound absorption and insulation screen body is used for pegging graft, be convenient on the one hand the installation of whole track traffic external hanging type sound barrier, sound absorption and insulation screen body inserts in the groove of " work " shape slide rail, it is comparatively convenient, quick to install, and also has higher stability simultaneously; On the other hand, the structure of matched in clearance can move up and down sound absorption and insulation screen body when vibrations in the groove of " work " shape slide rail.
As shown in Figure 1, 2, below described piezoelectric material layer 103, be provided with the supporting steel plate being fixed on steel post 3, for supporting piezoelectric material layer; Lower horizontal at described supporting steel plate is equipped with the 3rd gobo body 104; At described Compress Spring 101, execute weight plate 102 and piezoelectric material layer 103 away from a side of track, be provided with the 4th gobo body 105.
The 3rd gobo body 104 and the 4th gobo body 105, further stop sound to spread out of in the gap of shock structure, plays the effect of good sound insulation.
A kind of track traffic external hanging type sound barrier of the present utility model, compared with prior art, it is very convenient to install, noise reduction sound insulation factor is 10～15dB (A), framework is stable simultaneously, can pass through vibration power generation, and institute's generated energy is directly used in the electricity consumption of supplying with noise monitoring system, energy conservation, even if externally also can meet the requirement to the monitoring of track traffic noise in the situation of power-off.
Claims (7)
1. a track traffic external hanging type sound barrier, is characterized in that: comprise a plurality of steel posts that are positioned at track one side, between adjacent steel column, by supporting traverse, be interconnected and fixed; At described steel post, near a side of track, be provided with cable bearer, on described cable bearer, be coated with sunshade acoustical board; At described steel post, away from a side of track, be provided with guardrail board, sound absorption and insulation screen body is positioned at described guardrail board top; Described sound absorption and insulation screen body is fixed as one by the first gobo body setting gradually from top to bottom, acoustic screen body and the second gobo body, and a sound absorption and insulation screen body being fixed as one is installed between every two adjacent steel posts; On described steel post, be provided with the through hole for steel wire penetrating, described wire rope one end oblique pull is fixed on ground in catenary mast upper end and through the other end after described through hole; Described track traffic external hanging type sound barrier also comprises that being positioned at sound absorption and insulation shields body away from the sensor noise of track one side, and this sensor noise is connected with control circuit, and control circuit is connected with battery.
2. track traffic external hanging type sound barrier as claimed in claim 1, is characterized in that: described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
3. track traffic external hanging type sound barrier as claimed in claim 1, it is characterized in that: in the lower end of described the second gobo body, be provided with and execute weight plate, be positioned at and execute weight plate below and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer, wire and battery; Described piezoelectric material layer contacts with executing weight plate below being positioned at and executing weight plate, can be subject to executing the extruding of weight plate; Piezoelectric material layer is connected with bridge rectifier, stabilizator and battery successively by wire.
4. track traffic external hanging type sound barrier as claimed in claim 3, it is characterized in that: described in to execute weight plate be a plurality of, and each is executed weight plate upper surface and is provided with vertical lead, this lead overcoat has Compress Spring, the lower surface of described the second gobo body offers pilot hole simultaneously, and described lead stretches in this pilot hole; Described in described Compress Spring one end withstands on, execute on the upper surface of weight plate, the other end withstands on the lower surface of described the second gobo body, gives respectively to execute weight plate and the second gobo body is separated from each other the power of trend with the two.
5. track traffic external hanging type sound barrier as claimed in claim 4, is characterized in that: described the first gobo body upper middle position is provided with fixed axis, and this fixed axis is through the fixed shaft hole on described supporting traverse; Described fixed axis and described fixed shaft hole matched in clearance, and this gap location is provided with cushion coat; Between every two adjacent sound absorption and insulation screen bodies, be provided with " work " shape slide rail, two sound absorption and insulation screen bodies are inserted into respectively the left and right two ends of " work " shape slide rail, and with " work " shape slide rail matched in clearance, its fitting face is smooth structure.
6. track traffic external hanging type sound barrier as claimed in claim 5, is characterized in that: described a plurality of positions that weight plate is symmetricly set on the close left and right two ends of described the second gobo body lower surface of executing.
7. the track traffic external hanging type sound barrier as described in claim 4 to 6 any one, is characterized in that: below described piezoelectric material layer, be provided with the supporting steel plate being fixed on steel post, for supporting piezoelectric material layer; Lower horizontal at described supporting steel plate is equipped with the 3rd gobo body; At described Compress Spring, execute weight plate and piezoelectric material layer away from a side of track, be provided with the 4th gobo body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592715.1U CN203498771U (en) | 2013-09-25 | 2013-09-25 | Rail transit externally-hung type sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592715.1U CN203498771U (en) | 2013-09-25 | 2013-09-25 | Rail transit externally-hung type sound barrier |
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| Publication Number | Publication Date |
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| CN203498771U true CN203498771U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592715.1U Withdrawn - After Issue CN203498771U (en) | 2013-09-25 | 2013-09-25 | Rail transit externally-hung type sound barrier |
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| CN (1) | CN203498771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485290A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | External-hanging sound barrier for rail transit |
-
2013
- 2013-09-25 CN CN201320592715.1U patent/CN203498771U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485290A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | External-hanging sound barrier for rail transit |
| CN103485290B (en) * | 2013-09-25 | 2016-01-27 | 江苏远兴环保集团有限公司 | Track traffic externally-hung sound barrier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160127 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160127 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |