CN107059734A - A kind of multistage silene system of vacuum sweeper and vacuum sweeper - Google Patents
A kind of multistage silene system of vacuum sweeper and vacuum sweeper Download PDFInfo
- Publication number
- CN107059734A CN107059734A CN201710385850.1A CN201710385850A CN107059734A CN 107059734 A CN107059734 A CN 107059734A CN 201710385850 A CN201710385850 A CN 201710385850A CN 107059734 A CN107059734 A CN 107059734A
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- CN
- China
- Prior art keywords
- vacuum sweeper
- multistage
- mentioned
- shell
- silene system
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H2001/0881—Details for pneumatically dislodging or removing not related to the mouth-piece
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Exhaust Silencers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to vacuum sweeper technical field, the more particularly to a kind of multistage silene system of vacuum sweeper and vacuum sweeper.The multistage silene system of the vacuum sweeper of the present invention includes muffler and cage sound damping tower;The muffler connects and connects the discharge pipe mouth of pipe of blower fan;The cage sound damping tower inner hollow, the cage sound damping tower, which is provided with, is respectively communicated with its internal air inlet and exhaust outlet, and the air inlet is connected and connected with the air outlet of the muffler.Advantage:It is simple in construction, it is easy to use, the noise of air draft can largely be reduced by two-stage silencer mechanism, noise pollution is greatly reduced, compare beneficial to night work.
Description
Technical field
The present invention relates to vacuum sweeper technical field, the more particularly to a kind of multistage silene system of vacuum sweeper and vacuum sweeper.
Background technology
Existing vacuum sweeper generally carries sound damping tower using blower fan, during this vacuum sweeper work because the noise that produces of air draft without
Method is effectively controlled, and can only typically control within decibel, in night work, because environment is more peaceful, to the residence of surrounding
Witenagemot produces influence, accordingly, it would be desirable to be related to a kind of multistage silene system further to reduce the pollution of noise.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of multistage silene system of vacuum sweeper, effectively overcome existing
The defect of technology.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of multistage silene system of vacuum sweeper, including noise reduction
Device and cage sound damping tower;
Above-mentioned muffler connects and connects the discharge pipe mouth of pipe of blower fan;
Above-mentioned cage sound damping tower inner hollow, above-mentioned cage sound damping tower, which is provided with, is respectively communicated with its internal air inlet and row
Air port, above-mentioned air inlet is connected and connected with the air outlet of above-mentioned muffler.
The beneficial effects of the invention are as follows:It is simple in construction, it is easy to use, can largely it be reduced by two-stage silencer mechanism
The noise of air draft, greatly reduces noise pollution, compares beneficial to night work.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, above-mentioned cage sound damping tower includes shell and support frame, and above-mentioned enclosure is hollow and upper and lower side is opened
Mouthful, the lower end of above-mentioned shell and upper end open-mouth respectively constitute above-mentioned air inlet and exhaust outlet, above-mentioned support frame with it is above-mentioned outer
Shell phase is matched, and is fixed on above-mentioned shell surrounding inwall, and the void region of above-mentioned support frame is provided with sound absorbing layer.
It is simple in construction using the beneficial effect of above-mentioned further scheme, intensity is high, sound-absorbing effect is good.
Further, above-mentioned shell is the funnel-shaped structure that cross-sectional area gradually increases from bottom to top, above-mentioned support frame
Deflector is provided tiltedly between the wall of internal corresponding both sides side, above-mentioned deflector upper end and lower end are extended respectively to and above-mentioned support
The position that the upper end and lower end of framework are flushed.
It is that flared type is designed so that being disappeared by muffler air outlet into cage using the beneficial effect of above-mentioned further scheme
Air-flow inside sound tower can be discharged sufficiently in cage sound damping tower after noise reduction, in addition, deflector can be to cage sound damping tower inside
Air-flow carry out correct guidance, make the discharge of airflow smooth.
Further, in addition to stream guidance fan housing, above-mentioned stream guidance fan housing is the open housing knot of inner hollow and lower end and side
Structure, the lower end of above-mentioned stream guidance fan housing is matched with the upper end of above-mentioned shell, and the lower end of above-mentioned stream guidance fan housing is arranged on above-mentioned shell
Upper end.
It is to be beneficial to the control to air draft wind direction using the beneficial effect of above-mentioned further scheme, it is arranged along specified direction
Go out.
Further, above-mentioned sound absorbing layer is installed on above-mentioned stream guidance fan housing inwall.
It is that can also be made in stream guidance fan housing by the further noise reduction of sound absorbing layer using the beneficial effect of above-mentioned further scheme
Obtain whole device sound-absorbing effect preferably, farthest reduce noise pollution.
Further, above-mentioned sound absorbing layer is acoustical cotton.
It is that sound-absorbing effect is preferable using the beneficial effect of above-mentioned further scheme, arrangement is convenient.
A kind of vacuum sweeper is also provided, it is multistage by vacuum sweeper car body, compartment, sucker, assistant engine, above-mentioned blower fan and vacuum sweeper
Silene system is constituted;
Above-mentioned compartment is arranged in the underbody seat of vacuum sweeper car body;
Have in above-mentioned compartment and be set up in parallel successively from the front to the back and separate assembly room and dust suction chamber;
Separate dirt storehouse and filter position are sequentially provided with above-mentioned dust suction chamber from bottom to top;
Above-mentioned sucker is arranged on the position in the above-mentioned underbody seat bottom above-mentioned dirt storehouse of correspondence, and with being connected inside above-mentioned dirt storehouse;
Above-mentioned assistant engine and blower fan are separately mounted in above-mentioned assembly room, and above-mentioned assistant engine is driven with above-mentioned blower fan to be connected
Connect;
The air intake of above-mentioned blower fan connects above-mentioned filter position;
The mouth of pipe for the discharge pipe that muffler in the multistage silene system of above-mentioned vacuum sweeper connects and connects above-mentioned blower fan.
Beneficial effect is:Noise pollution of the whole vacuum sweeper in operation process is reduced, beneficial to environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation of the multistage silene system of vacuum sweeper of the present invention;
Fig. 2 is the structural representation of cage sound damping tower in the multistage silene system of vacuum sweeper of the invention;
Fig. 3 is the structural representation of the vacuum sweeper of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, muffler, 2, cage sound damping tower, 3, blower fan, 4, discharge pipe, 5, stream guidance fan housing, 6, compartment, 7, sucker, 8, secondary hair
Motivation, 21, shell, 22, support frame, 23, sound absorbing layer, 61, assembly room, 62, dust suction chamber, 221, deflector, 621, dirt storehouse,
622nd, filter position.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment one:As illustrated in fig. 1 and 2, the multistage silene system of the vacuum sweeper of the present embodiment includes muffler 1 and cage disappears
Sound tower 2;
Above-mentioned muffler 1 connects and connects the mouth of pipe of discharge pipe 4 of blower fan 3;
The above-mentioned inner hollow of cage sound damping tower 2, above-mentioned cage sound damping tower 2 be provided be respectively communicated with its internal air inlet and
Exhaust outlet, above-mentioned air inlet is connected and connected with the air outlet of above-mentioned muffler 1.
Vacuum sweeper is in operation process, and filtered air-flow is discharged by the discharge pipe 4 of blower fan 3 after dust suction, is entered through muffler 1
The noise reduction of row one-level is handled, and enters in cage sound damping tower 2 carry out after two grades of noise reductions afterwards, discharged by exhaust outlet so that final air draft
The noise that mouthful air draft is produced is extremely low, is especially advantageous for environmental protection, is particularly suitable for operation under night peaceful environment.
Preferably, above-mentioned cage sound damping tower 2 includes shell 21 and support frame 22, the above-mentioned inner hollow of shell 21 and up and down
End is open, and the lower end of above-mentioned shell 21 and upper end open-mouth respectively constitute above-mentioned air inlet and exhaust outlet, above-mentioned support frame
22 match with above-mentioned shell 21 (be exactly that shape and structure is matched, such as shell 21 for it is square when, the frame of support frame 22 is also
It is square, and frame is close to fixation per side with the inwall of shell 21), and be fixed on the above-mentioned surrounding inwall of shell 21, above-mentioned branch
The void region of support frame frame 22 is provided with sound absorbing layer 23, and whole shell 21 is designed as relatively thin layer of metal thin plate, support frame
22 are fixed on the inwall of shell 21, are engraved structure in support frame 22, thereon with multiple idle areas, in each vacant area
Equal package arrangement sound absorbing layer 23 in domain, and ensure that effective sound-absorbing area sum of sound absorbing layer 23 is total close to the inner wall area of shell 21
With air-flow after the one-level noise reduction of muffler 1 is after air outlet enters cage sound damping tower 2 through air inlet, and sound absorbing layer 23 is fully inhaled
Noise is received, is discharged again through exhaust outlet afterwards, so that the final noise produced at exhaust outlet is smaller, 50 decibels are can be controlled in
Within, the pollution for reducing noise of high degree.
Preferably, above-mentioned shell 21 is the funnel-shaped structure that cross-sectional area gradually increases from bottom to top, above-mentioned carriage
Deflector 221 is provided tiltedly between the wall of the corresponding both sides side in the inside of frame 22, the above-mentioned upper end of deflector 221 and lower end are extended respectively to
The position flushed with the upper end and lower end of above-mentioned support frame 22, the ascending design of area so that enter cage sound damping tower 2
Air-flow can obtain buffering reduction air-flow between friction produce noise, by sound absorbing layer 23 absorption after, noise becomes pole
It is low, in the process, into the air current flow direction of cage sound damping tower 2 vertically upward, therefore, can be to gas by deflector 221
The direction of stream flowing is guided, it is ensured that air-flow edge is correctly oriented discharge.
Preferably, also including stream guidance fan housing 5, above-mentioned stream guidance fan housing 5 is the open housing of inner hollow and lower end and side
Structure, the lower end of above-mentioned stream guidance fan housing 5 is matched with the upper end of above-mentioned shell 21, and the lower end of above-mentioned stream guidance fan housing 5 is arranged on above-mentioned
The upper end of shell 21, the air-flow discharged through exhaust outlet enters in stream guidance fan housing 5, through reasonable under the correct guiding of stream guidance fan housing 5
Direction discharge, meanwhile, stream guidance fan housing 5 can also avoid being directly entered cage sound damping tower 2 to internal structure in rainwater weather rainwater
The situation of erosion damage occurs.
Preferably, above-mentioned sound absorbing layer 23 is provided with the above-mentioned inwall of stream guidance fan housing 5, through the gas after the sound-absorbing of cage sound damping tower 2
Stream edge is correctly oriented into after stream guidance fan housing 5, then carries out absorption noise again through the sound absorbing layer 23 on the inwall of stream guidance fan housing 5,
It is final to cause the pneumatic noise through the side open-mouth discharge of stream guidance fan housing 5 to become very low, the noise reduction of whole design high degree,
Environmental-protecting performance is higher.
It is preferred that, above-mentioned sound absorbing layer 23 be acoustical cotton, also can select other have it is similar as sound-absorbing material be made.
Embodiment two:As shown in Figure 3 there is provided a kind of vacuum sweeper, by vacuum sweeper car body, compartment 6, sucker 7, assistant engine 8,
Above-mentioned blower fan 3 and a kind of multistage silene system composition of above-mentioned vacuum sweeper of embodiment;
Above-mentioned compartment 6 is arranged in the underbody seat of vacuum sweeper car body;
Have in above-mentioned compartment 6 and be set up in parallel successively from the front to the back and separate assembly room 61 and dust suction chamber 62;
Separate dirt storehouse 621 and filter position 622 are sequentially provided with above-mentioned dust suction chamber 62 from bottom to top;
Above-mentioned sucker 7 is arranged on the position in the above-mentioned underbody seat bottom above-mentioned dirt storehouse 621 of correspondence, and with above-mentioned dirt storehouse 621
Portion is connected;
Above-mentioned assistant engine 8 and blower fan 3 are separately mounted in above-mentioned assembly room 61, above-mentioned assistant engine 8 and above-mentioned blower fan 3
Drive connection, specifically, assistant engine 8 drives blower fan 3 to operate by belt;
The air intake (input) of above-mentioned blower fan 3 is by pipeline connection filter position 622, and its output end is upper provided with what is be folded upward at
State discharge pipe 4;
The mouth of pipe for the discharge pipe 4 that muffler 1 in the multistage silene system of above-mentioned vacuum sweeper connects and connects above-mentioned blower fan 3.
Whole work process is as follows:Sucker 7 sucks the dust on ground etc. in dirt storehouse 621, and dust etc. is deposited in dirt storehouse 621, air-flow
After being filtered through filter position 622, enter the sound-deadening and noise-reducing first of muffler 1 through blower fan 3, afterwards into secondary noise reduction in cage sound damping tower 2
Noise reduction, finally enters and sound-deadening and noise-reducing again is carried out in stream guidance fan housing 5, finally discharged by stream guidance fan housing 5.
What deserves to be explained is, the side open-mouth of stream guidance fan housing 5 is set away from the headstock of vacuum sweeper, in cage sound damping tower 2
The upper end of deflector 221 be obliquely installed towards the tailstock portion of vacuum sweeper, the design be beneficial to the state air draft with the wind during form,
Backflow situation is avoided to occur.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of multistage silene system of vacuum sweeper, it is characterised in that:Including muffler (1) and cage sound damping tower (2);
The muffler (1) connects and connects discharge pipe (4) mouth of pipe of blower fan (3);
Cage sound damping tower (2) inner hollow, the cage sound damping tower (2) be provided be respectively communicated with its internal air inlet and
Exhaust outlet, the air inlet is connected and connected with the air outlet of the muffler (1).
2. the multistage silene system of a kind of vacuum sweeper according to claim 1, it is characterised in that:The cage sound damping tower (2)
Including shell (21) and support frame (22), shell (21) inner hollow and upper and lower side is open, the shell (21)
Lower end and upper end open-mouth respectively constitute the air inlet and exhaust outlet, the support frame (22) and the shell (21) phase
Match somebody with somebody, and be fixed on the shell (21) surrounding inwall, the void region of the support frame (22) is provided with sound absorbing layer (23).
3. the multistage silene system of a kind of vacuum sweeper according to claim 2, it is characterised in that:The shell (21) is transversal
Tilted between the funnel-shaped structure that face area gradually increases from bottom to top, the internal corresponding both sides side wall of the support frame (22)
Provided with deflector (221), deflector (221) upper end and lower end extend respectively to the upper end of the support frame (22) and
The position that lower end is flushed.
4. the multistage silene system of a kind of vacuum sweeper according to claim 3, it is characterised in that:Also include stream guidance fan housing (5),
The stream guidance fan housing (5) is the open shell structure of inner hollow and lower end and side, the lower end of the stream guidance fan housing (5) and institute
The upper end matching of shell (21) is stated, the lower end of the stream guidance fan housing (5) is arranged on the upper end of the shell (21).
5. the multistage silene system of a kind of vacuum sweeper according to claim 4, it is characterised in that:In the stream guidance fan housing (5)
The sound absorbing layer (23) is installed on wall.
6. the multistage silene system of a kind of vacuum sweeper according to claim 5, it is characterised in that:The sound absorbing layer (23) is suction
Sound cotton.
7. a kind of vacuum sweeper, it is characterised in that:By vacuum sweeper car body, compartment (6), sucker (7), assistant engine (8), the blower fan
(3) constituted with the multistage silene system of the vacuum sweeper as described in any one of claim 1 to 6;
The compartment (6) is arranged in the underbody seat of vacuum sweeper car body;
Have in the compartment (6) and be set up in parallel successively from the front to the back and separate assembly room (61) and dust suction chamber (62);
Separate dirt storehouse (621) and filter position (622) are sequentially provided with the dust suction chamber (62) from bottom to top;
The sucker (7) is arranged on the position of the underbody seat bottom correspondence dirt storehouse (621), and with the dirt storehouse (621)
Inside connection;
The assistant engine (8) and blower fan (3) are separately mounted in the assembly room (61), the assistant engine (8) with it is described
Blower fan (3) is connected;
The air intake of the blower fan (3) connects the filter position (622);
The pipe for the discharge pipe (4) that muffler (1) in the multistage silene system of the vacuum sweeper connects and connects the blower fan (3)
Mouthful.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710385850.1A CN107059734B (en) | 2017-05-26 | 2017-05-26 | Multistage silencing system of dust absorption vehicle and dust absorption vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710385850.1A CN107059734B (en) | 2017-05-26 | 2017-05-26 | Multistage silencing system of dust absorption vehicle and dust absorption vehicle |
Publications (2)
Publication Number | Publication Date |
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CN107059734A true CN107059734A (en) | 2017-08-18 |
CN107059734B CN107059734B (en) | 2023-05-05 |
Family
ID=59610777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710385850.1A Active CN107059734B (en) | 2017-05-26 | 2017-05-26 | Multistage silencing system of dust absorption vehicle and dust absorption vehicle |
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CN (1) | CN107059734B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111749178A (en) * | 2020-07-07 | 2020-10-09 | 扬州大学 | Combined washing and sweeping vehicle noise reduction suction port, machining die and use method of machining die |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1073304A (en) * | 1996-08-30 | 1998-03-17 | Matsushita Seiko Co Ltd | Blower |
JP2003184752A (en) * | 2001-12-17 | 2003-07-03 | Kobe Steel Ltd | Package type oil-cooled compressor |
JP2004346517A (en) * | 2003-05-20 | 2004-12-09 | Howa Mach Ltd | Noise reduction structure of road sweeper |
EP1683919A2 (en) * | 2005-01-10 | 2006-07-26 | Gebrüder Trilety GmbH | Device for cleaning road surfaces |
CN103850987A (en) * | 2014-02-19 | 2014-06-11 | 江苏常净环保科技有限公司 | Fan muffler for dust remover |
CN106438505A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Compressed air emptying muffler |
CN206887854U (en) * | 2017-05-26 | 2018-01-16 | 湖北聚力汽车技术股份有限公司 | A kind of vacuum sweeper multistage silene system and vacuum sweeper |
-
2017
- 2017-05-26 CN CN201710385850.1A patent/CN107059734B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1073304A (en) * | 1996-08-30 | 1998-03-17 | Matsushita Seiko Co Ltd | Blower |
JP2003184752A (en) * | 2001-12-17 | 2003-07-03 | Kobe Steel Ltd | Package type oil-cooled compressor |
JP2004346517A (en) * | 2003-05-20 | 2004-12-09 | Howa Mach Ltd | Noise reduction structure of road sweeper |
EP1683919A2 (en) * | 2005-01-10 | 2006-07-26 | Gebrüder Trilety GmbH | Device for cleaning road surfaces |
CN103850987A (en) * | 2014-02-19 | 2014-06-11 | 江苏常净环保科技有限公司 | Fan muffler for dust remover |
CN106438505A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Compressed air emptying muffler |
CN206887854U (en) * | 2017-05-26 | 2018-01-16 | 湖北聚力汽车技术股份有限公司 | A kind of vacuum sweeper multistage silene system and vacuum sweeper |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111749178A (en) * | 2020-07-07 | 2020-10-09 | 扬州大学 | Combined washing and sweeping vehicle noise reduction suction port, machining die and use method of machining die |
CN111749178B (en) * | 2020-07-07 | 2021-08-06 | 扬州大学 | Combined washing and sweeping vehicle noise reduction suction port, machining die and use method of machining die |
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