CN106847252A - A kind of tunnel silencing means - Google Patents
A kind of tunnel silencing means Download PDFInfo
- Publication number
- CN106847252A CN106847252A CN201710173154.4A CN201710173154A CN106847252A CN 106847252 A CN106847252 A CN 106847252A CN 201710173154 A CN201710173154 A CN 201710173154A CN 106847252 A CN106847252 A CN 106847252A
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- China
- Prior art keywords
- odd
- main tank
- tunnel
- silencing means
- sound attenuator
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of tunnel silencing means, including noise reduction box main body and walking mechanism, the noise reduction box main body lower end is provided with walking mechanism, it is moved along tunnel；Noise reduction box main body is double-decker, main tank and odd-side including nested encryptions, the main tank both ends open, the odd-side is arranged at the inside of main tank, and one end open, one end are remained silent, and the opening of odd-side and the one end open direction of main tank are consistent, the main tank near odd-side remain silent place opening at be provided with baffle plate, odd-side closed end bottom also is provided with one baffle plate, and the odd-side is variable relative to main tank position, to eliminate the low frequency noise of setpoint frequency.The present invention can effectively eliminate the low frequency noise of constructing tunnel generation, substantially reduce the influence that low frequency noise is brought to the Health and Living of surrounding resident.
Description
Technical field
The present invention relates to a kind of tunnel silencing means.
Background technology
Substantial amounts of noise pollution can be produced during constructing tunnel, the Health and Living to neighbouring resident brings greatly harm.
The muffling devices such as soundproof door, sound-proof wall are commonly used in current constructing tunnel, by the kinetic energy of sound wave being converted into heat energy and being disappeared
Consume, so as to play the effect of noise reduction, these equipment can play good erasure effect for high frequency noise.
But because low frequency noise has extremely strong penetrability, soundproof door and sound-proof wall almost do not have erasure effect to it.Together
When, low frequency noise can cause greatly harm to health.How low frequency noise is fast and effectively eliminated, as urgently to be resolved hurrily
Problem.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of tunnel silencing means, and the present invention is ultralow for 0-20Hz's
Frequency noise has significantly reduced effect, is applied in shield tunnel construction, can effectively eliminate ultralow produced by constructing tunnel
Frequency noise, substantially reduces the influence that low frequency noise is brought to the Health and Living of surrounding resident.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of tunnel silencing means, including noise reduction box main body and walking mechanism, the noise reduction box main body lower end are provided with row
Mechanism is walked, it is moved along tunnel；
The noise reduction box main body be double-decker, including nested encryptions main tank and odd-side, the main tank both ends open, institute
State the inside that odd-side is arranged at main tank, one end open, one end are remained silent, and opening and the main tank of odd-side one end open direction one
Cause, the main tank near odd-side remain silent place opening at be provided with baffle plate, odd-side closed end bottom also is provided with one baffle plate, described
Odd-side is variable relative to main tank position, to eliminate the low frequency noise of setpoint frequency.
Preferably, the outer of the odd-side is provided with some directive wheels.Can easily with the relative position of main tank generation
Movement is put, changes the length of whole noise reduction box main body.
Preferably, the odd-side remain silent outside be provided with Handheld Division, easily to pull odd-side.
Preferably, by odd-side described in pull, change the total length of noise reduction box main body, be fixed frequency to be eliminated low
The odd-multiple of the wavelength of frequency noise 1/4, can play optimal erasure effect to the frequency noise.
Preferably, the odd-side has an additional length relative to main tank, and odd-side leans out from sound attenuator main tank rear end.
Preferably, the noise reduction box main body is welding manner or direct punch forming, preferentially using directly stamping forming
Mode, it is to avoid casing weld seam is shattered in the vibration that noise causes.
Preferably, the baffle plate is circlip, with certain frictional force and resistance, to prevent odd-side from integrally extracting out,
Depart from main tank.
Preferably, the main tank rear end baffle openings area is more than sound attenuator odd-side cross-sectional area, prevents to get stuck now
As.
Preferably, the ground-engaging element is arranged at the road wheel of main tank and odd-side bottom including several.
Preferably, the braking mechanism on the road wheel, silencing means is laid in place, plays fixed work
With.
Compared with prior art, beneficial effects of the present invention are：
(1) a kind of tunnel silencing means designed by the present invention has simple structure, easy to operate, effect obvious special
Point, places it in the correct position in tunnel, it is ensured that opening direction is pointed at constructing tunnel, so that it may during constructing tunnel
Effectively eliminate the low frequency noise of fixed frequency；
(2) a kind of tunnel silencing means designed by the present invention can select to eliminate the low frequency noise of fixed frequency, have
Very strong specific aim.The total length of sound attenuator can be adjusted by the handle on sound attenuator odd-side, sound attenuator total length is to be wanted
During the quarter-wave odd-multiple that abates the noise, optimal erasure effect is reached.
(3) it is of the invention to come into operation, noise pollution of the shield tunnel construction to surrounding environment can be substantially reduced, optimize
The construction environment of constructing tunnel, fills up vacancy of the constructing tunnel in terms of noise reduction.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrated for explaining the application, does not constitute the improper restriction to the application.
Fig. 1 is structural front view of the invention；
Fig. 2 is structural side view of the invention；
Wherein：1：Sound attenuator odd-side；2：Sound attenuator main tank；3：Wheel；4：Directive wheel；5：Handle；6：Brake gear.
Specific embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Present applicant proposes a kind of tunnel silencing means, including sound attenuator main tank, sound attenuator odd-side, wheel, directive wheel,
Hand and brake gear.Sound attenuator is pullable double-decker, is divided into sound attenuator main tank and sound attenuator odd-side, sound attenuator odd-side
Inside sound attenuator main tank.Casing is hollow cuboid, and sound attenuator main tank both ends open, rear end is provided with a circle baffle plate.
Sound attenuator odd-side one end open, one end is remained silent, and closed end bottom is provided with one baffle plate, and sound attenuator odd-side closed end is provided with pull use
Handle.One group of wheel is respectively housed, sound attenuator odd-side rear end is equipped with one group of wheel, sound attenuator main tank rear wheel before and after sound attenuator main tank
Brake gear is equipped with sound attenuator odd-side wheel.On the one hand the wheel of sound attenuator odd-side plays a part of to facilitate pull, one
Aspect is played a supporting role.Sound attenuator odd-side front end is peripherally equipped with directive wheel, on left and right, lower three faces of sound attenuator odd-side
It is each to install two.
Tunnel silencing means, the total length of noise reduction box body is controlled by the handle on pull sound attenuator odd-side, selection
Casing total length is the odd-multiple to be eliminated the wavelength of fixed frequency low frequency noise 1/4, and at this moment the frequency noise can be played
Optimal erasure effect.
The sound attenuator odd-side of tunnel silencing means is slightly longer than sound attenuator main tank, and two layer box body front opening ends overlap, noise reduction
Case odd-side leans out from sound attenuator main tank rear end.
Noise reduction box body can use welding manner or direct punch forming, preferential using direct stamping forming mode, keep away
Exempt from the vibration that noise causes casing weld seam shatters.
Baffle plate at sound attenuator main tank open rearward end, for preventing sound attenuator odd-side from integrally extracting out.
Sound attenuator main tank rear end baffle openings area is slightly larger than sound attenuator odd-side cross-sectional area, prevents the phenomenon that gets stuck.
The baffle plate of sound attenuator odd-side rear end bottom, for preventing sound attenuator odd-side from deviating from when reinstalling in sound attenuator main tank.
Directive wheel is housed around sound attenuator odd-side front end, realizes offseting the pull of audio amplifier odd-side by directive wheel.
Handle is terminated with after sound attenuator odd-side, facilitates pull to control the total length of sound attenuator.
Brake gear is installed only on the wheel of rear end, convenient operation.
Silencing means is made using cost performance steel matter higher.
In a kind of typical implementation method of the application, as depicted in figs. 1 and 2, patent tunnel silencing means bag of the present invention
Include sound attenuator main tank 1, sound attenuator odd-side 2, wheel 3, directive wheel 4 and handle 5.Sound attenuator is rectangular structure, sound attenuator odd-side
2 are arranged on inside sound attenuator main tank 1.The both ends open of sound attenuator main tank 1, rear end is provided with a circle baffle plate.Open the front end of sound attenuator odd-side 2
Mouthful, rear end is remained silent, and closed end bottom is provided with one baffle plate, and rear end is equipped with pull handle 5.The rear and front end of main tank 1 is respectively equipped with one
Group wheel 3, the leading portion of odd-side 2 is peripherally equipped with directive wheel 4, and rear end is equipped with one group of wheel 3.On sound attenuator main tank and odd-side rear end wheel
Brake gear 6 is respectively arranged with, silencing means is moved easily and is placed it on suitable position, greatly improve erasure effect.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (10)
1. a kind of tunnel silencing means, it is characterized in that：Including noise reduction box main body and walking mechanism, the noise reduction box main body lower end sets
Walking mechanism is equipped with, it is moved along tunnel；
The noise reduction box main body be double-decker, including nested encryptions main tank and odd-side, the main tank both ends open, the pair
Case is arranged at the inside of main tank, and one end open, one end are remained silent, and the opening of odd-side and the one end open direction of main tank are consistent, institute
State main tank near odd-side remain silent place opening at be provided with baffle plate, odd-side closed end bottom also is provided with one baffle plate, the odd-side
It is variable relative to main tank position, to eliminate the low frequency noise of setpoint frequency.
2. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The outer of the odd-side is provided with some guiding
Wheel.
3. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The odd-side remain silent outside be provided with it is hand-held
Portion.
4. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：By odd-side described in pull, change sound attenuator
The total length of main body, is the odd-multiple of the wavelength of fixed frequency low frequency noise 1/4 to be eliminated.
5. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The odd-side has one to add relative to main tank
Length, and odd-side leans out from sound attenuator main tank rear end.
6. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The noise reduction box main body is welding manner or straight
Connect punch forming.
7. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The baffle plate is circlip.
8. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The main tank rear end baffle openings area is more than
Sound attenuator odd-side cross-sectional area.
9. a kind of tunnel silencing means as claimed in claim 1, it is characterized in that：The ground-engaging element is arranged at including several
The road wheel of main tank bottom.
10. a kind of tunnel silencing means as claimed in claim 9, it is characterized in that：Braking mechanism is housed on the road wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173154.4A CN106847252A (en) | 2017-03-22 | 2017-03-22 | A kind of tunnel silencing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173154.4A CN106847252A (en) | 2017-03-22 | 2017-03-22 | A kind of tunnel silencing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847252A true CN106847252A (en) | 2017-06-13 |
Family
ID=59130848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173154.4A Pending CN106847252A (en) | 2017-03-22 | 2017-03-22 | A kind of tunnel silencing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106847252A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016853A (en) * | 2006-02-07 | 2007-08-15 | Lg电子株式会社 | Silencer |
| CN102979649A (en) * | 2012-11-29 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Noise reduction wavelength tube |
| CN203430869U (en) * | 2013-08-13 | 2014-02-12 | 江苏大学 | Centrifugal pump noise reduction pipe capable of adjusting wavelengths |
| CN203685222U (en) * | 2013-12-28 | 2014-07-02 | 中铁十二局集团第二工程有限公司 | Sound attenuation trolley for tunnel blast working |
| CN204165212U (en) * | 2013-12-18 | 2015-02-18 | 海尔集团公司 | A kind of multisection type full rate section air conditioner muffler |
| JP2016006372A (en) * | 2014-05-30 | 2016-01-14 | 株式会社荏原製作所 | Muffler |
-
2017
- 2017-03-22 CN CN201710173154.4A patent/CN106847252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016853A (en) * | 2006-02-07 | 2007-08-15 | Lg电子株式会社 | Silencer |
| CN102979649A (en) * | 2012-11-29 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Noise reduction wavelength tube |
| CN203430869U (en) * | 2013-08-13 | 2014-02-12 | 江苏大学 | Centrifugal pump noise reduction pipe capable of adjusting wavelengths |
| CN204165212U (en) * | 2013-12-18 | 2015-02-18 | 海尔集团公司 | A kind of multisection type full rate section air conditioner muffler |
| CN203685222U (en) * | 2013-12-28 | 2014-07-02 | 中铁十二局集团第二工程有限公司 | Sound attenuation trolley for tunnel blast working |
| JP2016006372A (en) * | 2014-05-30 | 2016-01-14 | 株式会社荏原製作所 | Muffler |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |