CN112049472A - A canopy gives sound insulation for building engineering construction - Google Patents

A canopy gives sound insulation for building engineering construction Download PDF

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Publication number
CN112049472A
CN112049472A CN202010944637.1A CN202010944637A CN112049472A CN 112049472 A CN112049472 A CN 112049472A CN 202010944637 A CN202010944637 A CN 202010944637A CN 112049472 A CN112049472 A CN 112049472A
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CN
China
Prior art keywords
sound absorption
absorption plate
sound
pipe
construction
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Pending
Application number
CN202010944637.1A
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Chinese (zh)
Inventor
望春来
陈定平
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Hubei Huiyi Construction Engineering Co ltd
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Hubei Huiyi Construction Engineering Co ltd
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Filing date
Publication date
Application filed by Hubei Huiyi Construction Engineering Co ltd filed Critical Hubei Huiyi Construction Engineering Co ltd
Priority to CN202010944637.1A priority Critical patent/CN112049472A/en
Publication of CN112049472A publication Critical patent/CN112049472A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84Sound-absorbing elements
    • E04B1/86Sound-absorbing elements slab-shaped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

The invention relates to the technical field of constructional engineering, and discloses a sound insulation shed for constructional engineering construction, which comprises a shed body, wherein the shed body comprises a support, an outer sound absorption plate and an inner sound absorption plate, the outer sound absorption plate and the inner sound absorption plate are respectively and fixedly arranged on two sides of the support, through holes are uniformly formed in the outer wall of the outer sound absorption plate, sound absorption auxiliary components located at the through holes are arranged on the surface of the outer sound absorption plate, the inner sound absorption plate and the outer sound absorption plate are identical in structure, sound absorption auxiliary components are arranged on the inner wall of the inner sound absorption plate, and the sound absorption auxiliary components can be detached. According to the invention, the air in the shed body is extracted by using the negative pressure machine, so that the air carrying noise sound waves in the shed body is promoted to move to the inner sound-absorbing plate, the speed of outward emission of noise from the sound source is increased, and the noise intensity at the sound source is reduced, thereby reducing the time length of noise received by workers at the sound source, reducing the discomfort of the workers and protecting the physical and mental health of the workers.

Description

A canopy gives sound insulation for building engineering construction
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a sound insulation shed for constructional engineering construction.
Background
Along with the development in city, the construction volume of road and house is more and more, and road and house often need cut pipeline, reinforcing bar etc. at the in-process of construction, can produce a large amount of noises at the in-process of cutting, cause the influence to the environment on every side easily, consequently need build syllable-dividing canopy in the work progress, carry out cutting work in the syllable-dividing canopy, utilize the syllable-dividing canopy to cut off the noise, the noise reduction is to the influence of environment.
Most of the traditional sound insulation sheds have the function of isolating noise in the sheds and reducing the noise from being transmitted to the outside, but no treatment measures are taken for the noise transmitted to the outside, and the noise still can affect the environment; in addition, due to the partition effect of the shed body, the noise intensity of cutting in the shed is very high, workers in the cutting noise source position in the shed are in a high-intensity noise environment for a long time, eardrum is easily damaged, and the noise can also make the workers feel distracted and affect the working efficiency.
Disclosure of Invention
Aiming at the defects of the existing building sound-insulation shed in the background technology in the using process, the invention provides the sound-insulation shed for building engineering construction, which has the advantages of weakening the noise received by workers and the noise radiated to the outside, and solves the problem of the sound source center in the background technology.
The invention provides the following technical scheme: the utility model provides a canopy gives sound insulation for building engineering construction, includes the canopy body, the canopy body includes the support, inhales soundboard and interior soundboard outward, outer soundboard and interior soundboard respectively fixed mounting in the both sides of support, evenly seted up the through-hole on the outer wall of outer soundboard, the surface mounting of outer soundboard has the sound auxiliary assembly that inhales that is located through-hole department, the inner wall that the same and interior soundboard of structure of interior soundboard and outer soundboard was inhaled is equipped with inhales sound auxiliary assembly, it can dismantle to inhale sound auxiliary assembly, the fixed cover of through-hole department has connect the breather pipe, the breather pipe is connected with back type pipe, it has the collection pipe to go back type pipe inner chamber through connection, be equipped with the gas outlet on the collection pipe, gas outlet.
Preferably, inhale sound auxiliary assembly and include flitch, wet sponge, the flitch can be dismantled and connect the surface at outer abatvoix and interior abatvoix, the flitch sets up to the annular, wet sponge has been cup jointed at the middle part of flitch.
Preferably, the interior of the flitch is hollow, a liquid inlet is formed in the top of the flitch, and liquid outlets are uniformly formed in the inner wall of the flitch.
Preferably, one end of the wet sponge is semicircular, one semicircular end of the wet sponge protrudes out of the surface of the outer sound absorption plate, and a dust cover is arranged on the outer side of the semicircular end of the wet sponge.
Preferably, soundproof cotton is filled in gaps at the joints of the bracket, the outer sound absorption plate and the inner sound absorption plate.
Preferably, the pipe diameters of the vent pipe, the return pipe and the collecting pipe are sequentially increased, the vent pipe with the same height is connected with the same return pipe, the return pipes are connected with the same collecting pipe, and the number of the collecting pipes is one.
Preferably, the outer walls of the return pipe and the collecting pipe are fixedly sleeved with air nozzles, and the air nozzles are communicated with the inner cavities of the return pipe and the collecting pipe.
Preferably, the air tap is made of rubber, the air tap is in a conical shape, and a large opening end of the air tap is located inside the return pipe or the collecting pipe.
The invention has the following beneficial effects:
1. according to the invention, the air in the shed body is extracted by using the negative pressure machine, so that the air carrying noise sound waves in the shed body is promoted to move to the inner sound-absorbing plate, the speed of outward emission of noise from the sound source is increased, and the noise intensity at the sound source is reduced, thereby reducing the time length of noise received by workers at the sound source, reducing the discomfort of the workers and protecting the physical and mental health of the workers.
2. The invention simultaneously extracts the air outside the shed body through the negative pressure machine, reduces the speed of the sound wave of the noise which is transmitted to the outside of the shed body, and simultaneously consumes the energy of the sound wave by utilizing the air friction, reduces the transmission range of the noise, thereby realizing the weakening treatment of the noise which is transmitted to the outside of the shed body, further reducing the intensity of the noise, and achieving the purposes of isolating the noise inside the shed body and reducing the noise outside the shed body.
3. The invention has the advantages that the sound-absorbing auxiliary assembly has the effect of cooling the air entering the inner parts of the outer sound-absorbing plate and the inner sound-absorbing plate, so that the transmission speed of sound waves is reduced, the sound wave absorption time of the outer sound-absorbing plate and the inner sound-absorbing plate is prolonged, the noise absorption effect is improved, meanwhile, the energy of the sound waves is effectively weakened by the semicircular end of the wet sponge, the noise intensity is further reduced, and the effect of promoting the noise absorption treatment is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of a portion of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic view of the sound-absorbing auxiliary assembly according to the present invention;
FIG. 5 is a front view of the outer acoustic panel of the present invention;
FIG. 6 is a schematic view of the structure of the air faucet of the present invention.
In the figure: 1. a shed body; 101. a support; 102. an outer acoustic panel; 103. an inner acoustic panel; 2. a sound absorbing auxiliary component; 201. pasting a board; 202. a wet sponge; 203. a liquid outlet; 3. a through hole; 4. a breather pipe; 5. a return pipe; 6. a header; 7. an air outlet; 8. an air tap; 9. a dust cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a sound insulation shed for building engineering construction comprises a shed body 1, the shed body 1 comprises a support 101, an outer sound absorption plate 102 and an inner sound absorption plate 103, the outer sound absorption plate 102 and the inner sound absorption plate 103 are respectively fixedly arranged on two sides of the support 101, the support 101 plays a role of fixing the shape of the shed body 1, the support 101 is generally erected into a cuboid, through holes 3 are uniformly formed in the outer wall of the outer sound absorption plate 102, a sound absorption auxiliary component 2 located at the through holes 3 is arranged on the surface of the outer sound absorption plate 102, a pasting plate 201 is detachably connected to the surfaces of the outer sound absorption plate 102 and the inner sound absorption plate 103, the sound absorption auxiliary component 2 is detachable, when the sound absorption auxiliary component 2 is damaged, the sound absorption auxiliary component 2 can be conveniently replaced, the through holes 3 are fixedly sleeved with a sound absorption pipe 4, the sound absorption pipe 4 is connected with a return pipe 5, the inner cavity of the return pipe, a negative pressure machine is connected at the air outlet 7.
The purpose of this scheme is: the speed of noise sound waves generated by cutting in the shed body 1 entering the inner sound absorption plate 103 is improved, the time length of noise received by workers in the shed body 1 is shortened, then the propagation speed of the sound waves entering the outer sound absorption plate 102 and the inner sound absorption plate 103 is reduced, the sound waves are dispersed in the outer sound absorption plate 102 and the inner sound absorption plate 103, the energy in the sound waves is reduced through mutual impact between the dispersed sound waves, the outer sound absorption plate 102 and the inner sound absorption plate 103 are cooperatively utilized to achieve the purpose of absorbing the noise, in addition, for the noise transmitted to the inside of the shed body 1, the sound absorption auxiliary assembly 2 on the outer wall of the outer sound absorption plate 102 and the effect of suction airflow of a negative pressure machine are utilized, the propagation speed of the external noise is reduced, the external air carrying the noise sound waves can be sucked into the outer sound absorption plate 102, and the internal and external noise of the shed body 1 is absorbed.
The negative pressure machine extracts the air in the shed body 1 outwards to ensure that the interior of the shed body 1 is in a negative pressure state, when steel pipes, steel bars and the like are cut in the shed body 1, sound waves are transmitted through the air of the medium in a dispersing way, according to the sound transmission principle, when the flow speed of the medium is increased, the transmission speed of the sound waves is also increased, when the negative pressure machine is started, the speed of the air in the shed body 1 entering the outer sound-absorbing plate 102 and the inner sound-absorbing plate 103 is increased, so that the time of noise receiving of workers who cut the steel bars and the steel pipes in the shed body 1 is reduced, and because the interior of the shed body 1 is in a negative pressure state relative to the outside, the outside air flows into the shed body 1 under the action of pressure, the speed of outward transmission of the noise in the shed body 1 is reduced, the sound waves which are transmitted out of the shed body 1 can be promoted to be transmitted to the outer sound-absorbing plate 102 along with the transmission of the air, and, the transmission of internal noise to the outside is also reduced.
The sound absorption auxiliary component 2 comprises a pasting plate 201 and wet sponge 202, the pasting plate 201 is annular, the wet sponge 202 is sleeved in the middle of the pasting plate 201, the pasting plate 201 plays a role in fixing the wet sponge 202, evaporative heat-absorbing liquid such as water is soaked in the wet sponge 202, when cutting is carried out, heat is generated, according to the propagation principle of sound waves, when the temperature of the transmission medium air is increased, the transmission speed of the sound waves is increased, the heat generated by cutting can accelerate the sound waves to propagate to the inner sound-absorbing plate 103 in the shed body 1, however, after the sound waves enter the inner sound-absorbing panel 103, it is necessary to reduce the propagation velocity of the sound waves, reduce the transmission of the sound waves to the outside of the cabinet 1 through the outer sound-absorbing panel 102 and the inner sound-absorbing panel 103, allow the sound waves to be absorbed in the outer sound-absorbing panel 102 and the inner sound-absorbing panel 103, the temperature of the air entering the interior of the outer and inner sound-absorbing plates 102, 103 is thus lowered by the wetted wet sponge 202; the interior of the flitch 201 is hollow, a liquid inlet is formed in the top of the flitch 201, liquid outlets 203 are uniformly formed in the inner wall of the flitch 201, liquid enters the inner cavity of the flitch 201 from the liquid inlet through a pipeline, and then the liquid is continuously conveyed to the wet sponge 202 through the liquid outlets 203, so that the wet sponge 202 is always in a wet state, and the cooling effect of air entering the outer sound absorption plate 102 and the inner sound absorption plate 103 is improved; the one end semicircular in shape and the surface of semi-circular one end protrusion outer acoustic panel 102 of wet sponge 202, semi-circular one end has the hindrance effect to the air flow in the canopy body 1, further reduce the energy of sound wave in the air, noise abatement's intensity, the outside of the semi-circular one end of wet sponge 202 is equipped with dust cover 9, the dust of avoiding the cutting gets into outer acoustic panel 102, the inside of interior acoustic panel 103, simultaneously because the effect of breathing in of negative-pressure machine, the dust also can be along with the air current gathering in dust cover 9 department, avoid the dust suspension to be inhaled by the people in the inside of canopy body 1, cause the discomfort to staff's health.
The air tap 8 is fixedly sleeved on the outer walls of the return pipe 5 and the collection pipe 6, the air tap 8 is communicated with the inner cavities of the return pipe 5 and the collection pipe 6, the air tap 8 is made of rubber, the air tap 8 is in a conical shape, the large opening end of the air tap 8 is positioned inside the return pipe 5 or the collection pipe 6, due to certain elastic deformation of the rubber, the small opening end of the air tap 8 is in a similar closed state in a normal state, air cannot flow in from the small opening end, when air exists in the return pipe 5 and the collection pipe 6, the small opening end is expanded from the inside of the air tap 8, the air can flow out at the moment, therefore, the air in the return pipe 5 and the collection pipe 6 can flow out due to the reduction of the flow rate and the diffusion after impact caused by the increase of the pipe diameter, part of the air can flow out of the return pipe 5 and the inside the collection pipe 6 through the air tap 8, the purpose of diffusing the air flow is, In header 6.
The inner sound absorption plate 103 and the outer sound absorption plate 102 are identical in structure, the inner wall of the inner sound absorption plate 103 is provided with the sound absorption auxiliary assembly 2, sound insulation cotton is filled in gaps at the joints of the support 101, the outer sound absorption plate 102 and the inner sound absorption plate 103, and the sound insulation cotton has the function of ensuring that air flow emitted from the air nozzle 8 can enter the sound insulation cotton or the sound absorption plate with the sound absorption effect, so that gaps are prevented from being formed at the joints of the outer sound absorption plate 102, the inner sound absorption plate 103 and the support 101, and noise is transmitted out through the gaps; in addition, the outer sound-absorbing plate 102 plays a role in absorbing sound waves which are transmitted out of the shed body 1, under the condition that no outside strong wind is considered, due to the absorption effect of a negative pressure machine, the air pressure in the vent pipe 4, the return pipe 5 and the collecting pipe 6 is lower than the outside, air around the outside of the shed body 1 flows towards the outer sound-absorbing plate 102, the sound waves move in the direction far away from the outer sound-absorbing plate 102, due to the fact that the propagation speed of medium air is opposite to that of the sound waves, the purpose of reducing the propagation speed of the sound waves can be achieved, meanwhile, due to air friction, the energy of the sound waves is further reduced, and the purpose of reducing the propagation range of the noise is achieved; in addition, the positions of the sound-absorbing auxiliary assembly 2 on the outer wall of the sound-absorbing plate 102 and the sound-absorbing auxiliary assembly 2 on the inner wall of the inner sound-absorbing plate 103 cannot be symmetrical and staggered, and the impact of two non-dispersed main air flows of the inner beam and the outer beam is prevented.
The pipe diameters of the vent pipe 4, the return pipe 5 and the collection pipe 6 are sequentially increased in an increasing manner, so that air is compressed at the vent pipe 4, and after the air enters the return pipe 5 with a larger inner diameter, the flow rate is reduced, and the regeneration noise generated during air impact is reduced, the vent pipe 4 with the same height is connected with the same return pipe 5, a plurality of return pipes 5 are connected with the same collection pipe 6, the number of the collection pipe 6 is one, for example, as shown in fig. 3, three rows of through holes 3 with different heights are provided, each through hole 3 is connected with one vent pipe 4, each row of through holes 3 are connected with the same return pipe 5 through the vent pipe 4, namely, the return pipes 5 are in a return; according to the attached figure 1, three return pipes 5 are provided, and referring to the attached figure 1, the three return pipes 5 are connected with a vertical collecting pipe 6; referring to fig. 2, canopy body 1 gas from breather pipe 4 get into back type pipe 5 after, flow to both sides from the junction, the reposition of redundant personnel effect has been played, avoid the too big noise that produces of air flow rate, the air flows in back type pipe 5 and with the air current striking that gets into back type pipe 5 through breather pipe 4 of different positions, consume the energy in the sound wave, play the syllable-dividing purpose of making an uproar that falls, and the air flows through air cock 8, the dispersion is absorbed by outer abatvoix 102 and interior abatvoix 103 and inhale the sound cotton, improve the absorptive effect of noise.
Since the air is absorbed in the outer and inner sound-absorbing panels 102 and 103, the sound wave energy in the air flow finally flowing out through the air outlet 7 is very weak, and therefore the sound wave flowing out through the air outlet 7 is not very loud.
The using method of the invention is as follows:
under the action of a negative pressure machine, air carrying noise sound waves in the shed body 1 enters the ventilating pipe 4, the return pipe 5 and the collecting pipe 6 through the sound-absorbing auxiliary component 2 and the through hole 3, the energy of the sound waves is reduced by utilizing the impact of the sound waves in the return pipe 5 and the collecting pipe 6, the sound waves are outwards diffused through the air nozzle 8, and the sound waves are absorbed again through the outer sound-absorbing plate 102 and the inner sound-absorbing plate 103; the sound absorption auxiliary assembly 2 cools the air of the transmission medium of sound waves, and reduces the transmission speed of the sound waves in the hollow square tube 5 and the collecting tube 6, so that the regeneration noise generated by sound wave impact is reduced, and time is provided for the consumption of sound wave energy; the negative pressure machine is matched with the outer sound-absorbing plate 102 and the sound-absorbing auxiliary component 2 on the outer sound-absorbing plate 102, and plays the roles of reducing the speed of sound waves which are already escaped from the interior of the shed body 1, consuming sound wave energy and even absorbing the sound waves into the interior of the outer sound-absorbing plate 102 again for absorption.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a canopy gives sound insulation for building engineering construction, includes canopy body (1), its characterized in that: the greenhouse body (1) comprises a support (101), an outer sound absorption plate (102) and an inner sound absorption plate (103), the outer sound absorption plate (102) and the inner sound absorption plate (103) are fixedly mounted on two sides of the support (101) respectively, through holes (3) are uniformly formed in the outer wall of the outer sound absorption plate (102), a sound absorption auxiliary assembly (2) located in the through holes (3) is mounted on the surface of the outer sound absorption plate (102), the inner sound absorption plate (103) and the outer sound absorption plate (102) are identical in structure and the inner wall of the inner sound absorption plate (103) is provided with the sound absorption auxiliary assembly (2), the sound absorption auxiliary assembly (2) can be detached, the through holes (3) are fixedly sleeved with vent pipes (4), the vent pipes (4) are connected with return pipes (5), inner cavities of the return pipes (5) are connected with collecting pipes (6) in a penetrating manner, gas outlets (7) are formed in the collecting, and a negative pressure machine is connected to the air outlet (7).
2. A soundproof shed for construction of construction engineering as set forth in claim 1, wherein: inhale sound auxiliary assembly (2) including flitch (201), wet sponge (202), flitch (201) can be dismantled and connect the surface at outer abatvoix (102) and interior abatvoix (103), flitch (201) set up to the annular, wet sponge (202) have been cup jointed at the middle part of flitch (201).
3. A soundproof shed for construction of construction engineering as set forth in claim 2, wherein: the interior of the flitch (201) is hollow, a liquid inlet is formed in the top of the flitch (201), and liquid outlets (203) are uniformly formed in the inner wall of the flitch (201).
4. A soundproof shed for construction of construction engineering as set forth in claim 2, wherein: one end of the wet sponge (202) is semicircular, the semicircular end of the wet sponge (202) protrudes out of the surface of the outer sound absorption plate (102), and a dust cover (9) is arranged on the outer side of the semicircular end of the wet sponge (202).
5. A soundproof shed for construction of construction engineering as set forth in claim 1, wherein: and soundproof cotton is filled in gaps at the joints of the bracket (101), the outer sound absorption plate (102) and the inner sound absorption plate (103).
6. A soundproof shed for construction of construction engineering as set forth in claim 1, wherein: the pipe diameters of the vent pipe (4), the return pipe (5) and the collecting pipe (6) are sequentially increased, the vent pipe (4) with the same height is connected with the same return pipe (5), the return pipes (5) are connected with the same collecting pipe (6), and the number of the collecting pipe (6) is one.
7. A soundproof shed for construction of construction engineering as set forth in claim 1, wherein: the outer walls of the return pipe (5) and the collecting pipe (6) are fixedly sleeved with an air tap (8), and the air tap (8) is communicated with the inner cavities of the return pipe (5) and the collecting pipe (6).
8. A soundproof shed for construction of construction engineering as set forth in claim 7, wherein: the air tap (8) is made of rubber, the air tap (8) is in a conical shape, and the large opening end of the air tap (8) is located inside the return pipe (5) or the collecting pipe (6).
CN202010944637.1A 2020-09-10 2020-09-10 A canopy gives sound insulation for building engineering construction Pending CN112049472A (en)

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CN209082692U (en) * 2018-11-02 2019-07-09 肇庆科达轻钢房屋系统有限公司 A kind of light steel structure house of sound insulation and noise reduction
CN111396338A (en) * 2018-12-30 2020-07-10 李玲 Multifunctional household environment-friendly electric fan
CN209550150U (en) * 2019-01-16 2019-10-29 福建省工业设备安装有限公司 A kind of denoising device of sweeping steam pipeline
CN210918359U (en) * 2019-08-07 2020-07-03 泊头市东南西北特房制造有限公司 Low-noise container
CN210663235U (en) * 2019-09-16 2020-06-02 无锡绿岛风环保工程有限公司 New trend silencing device of system
CN111101734A (en) * 2020-01-17 2020-05-05 许昌学院 Sound insulation exercise room for vocal music exercise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2780580C1 (en) * 2022-03-14 2022-09-27 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Multifunctional stop pavilion

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Application publication date: 20201208