CN113323183B - Noise reduction structure of building outer wall - Google Patents
Noise reduction structure of building outer wall Download PDFInfo
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- CN113323183B CN113323183B CN202110625934.4A CN202110625934A CN113323183B CN 113323183 B CN113323183 B CN 113323183B CN 202110625934 A CN202110625934 A CN 202110625934A CN 113323183 B CN113323183 B CN 113323183B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
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- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- 229920001778 nylon Polymers 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, 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
- E04B1/84—Sound-absorbing elements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Finishing Walls (AREA)
Abstract
The invention belongs to the technical field of building design, and particularly relates to a noise reduction structure of a building outer wall, which comprises a lower supporting plate, a transverse moving plate, a vertical plate, an upper supporting plate, a vertical rod, a longitudinal moving plate and a noise reduction assembly, wherein the lower supporting plate is fixedly connected with the vertical plate; the lower supporting plate and the upper supporting plate can be fixedly arranged on an outer wall, the lower supporting plate corresponds to the bottom of a first floor, and the upper supporting plate corresponds to the top of a second floor; the transverse moving plate is arranged on the lower supporting plate in a transverse sliding manner; the two vertical plates are fixedly arranged at the left end and the right end of the transverse moving plate, the vertical rod is fixedly arranged in the middle of the transverse moving plate, and the tops of the vertical plates and the top of the vertical rod are fixed with the upper supporting plate; the longitudinal moving plate can be sleeved outside the vertical plate and the vertical rod in a vertically sliding manner; the noise reduction assembly is arranged at the outer end of the upper surface of the longitudinal moving plate. The invention can meet the special requirements of duplex residents on sound insulation and noise reduction in daytime and at night, and is suitable for market popularization and use.
Description
Technical Field
The invention belongs to the technical field of building design, and particularly relates to a noise reduction structure of a building outer wall.
Background
From the point of view of architecture, the boundary member for enclosing buildings to form indoor and outdoor is called as the outer wall. It has the functions of: bear certain load, shelter from wind and rain, preserve heat and insulate heat, prevent noise, prevent fire and be safe, etc. However, the noise reduction effect of the existing outer wall is poor, and particularly in areas with more pedestrian volume, external sound can penetrate through the outer wall and be transmitted indoors, so that residents who have a rest indoors are affected.
Chinese patent with application number CN201911236851.5 discloses a noise reduction structure for an external wall of a building, which comprises a frame body, a pipeline and a sound absorption board installed in an opening at the right side of the frame body, wherein more than one partition board is installed inside the frame body, more than one soil storage area is separated from the inside of the frame body through the partition boards, soil layers are arranged inside the soil storage areas, a through hole is formed in the middle of each partition board, a nylon net covering the soil storage areas is further installed inside the frame body, more than one lawn is planted on the surface of the nylon net, the root system of the lawn is fixed in the soil layers after penetrating through meshes on the nylon net, a steel wire mesh for positioning the lawn is installed in the opening at the left side of the frame body, round holes are formed right at the top surface and the bottom surface of the frame body, a bearing is installed in the round hole at the upper end of the through hole, the pipeline is arranged inside the frame body, the upper end of the pipeline penetrates through hole, a connecting pipe is outwards expanded to form a circle, the connecting pipe is inserted into an inner ring of the connecting pipe and is welded and fixed with the inner ring, the lower end of the connecting pipe penetrates through hole and the lower end of the connecting pipe and extends to the outer side; one section of the pipeline positioned in the soil storage area forms a bent part with a U-shaped structure, and the inner sides of the bent parts are provided with water dripping heads; a limiting groove is vertically arranged on the inner wall surface of the connecting pipe, rubber layers are arranged in the inner wall surface of the connecting pipe and the limiting groove, and one end of the lower end of the pipeline, which is positioned outside, protrudes outwards to form a limiting block matched with the limiting groove; the inner wall surfaces of the through holes are all provided with rubber rings, and the inner wall surfaces of the rubber rings are all abutted against the outer wall surface of the pipeline; the sound-absorbing board comprises a waterproof shell, a plurality of aluminum honeycomb perforated sound-absorbing boards filled in the waterproof shell and a mounting assembly mounted on the back face of the waterproof shell, and honeycomb holes of two adjacent aluminum honeycomb perforated sound-absorbing boards are arranged in a staggered mode; and a layer of sound-absorbing glass wool is filled between every two adjacent aluminum honeycomb perforated sound-absorbing boards.
However, the above prior art still has the following problems:
the spring layer is a very popular novel residential building form and is widely popular with people. Daytime, indoor resident most time all is in the activity of first floor, and evening, and indoor resident most time then shifts to the second floor and has a rest, and the noise of daytime is different with evening moreover, and indoor resident is different to the demand of making an uproar that falls that gives sound insulation. The prior art can not satisfy the particularity, so that the experience of sound insulation and noise reduction is poor, and the requirements of people can not be satisfied.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a noise reduction structure for an outer wall of a building, which is used for solving the problem that the special requirements of duplex residents on sound insulation and noise reduction in daytime and at night cannot be met due to unreasonable noise reduction design of the existing outer wall.
In order to solve the technical problem, the invention adopts the following technical scheme:
a noise reduction structure of a building outer wall comprises a lower supporting plate, a transverse moving plate, a vertical plate, an upper supporting plate, a vertical rod, a longitudinal moving plate and a noise reduction assembly;
the lower supporting plate and the upper supporting plate can be fixedly arranged on an outer wall, the lower supporting plate corresponds to the bottom of a first floor, and the upper supporting plate corresponds to the top of a second floor;
the transverse moving plate can be transversely and slidably arranged on the lower supporting plate;
the two vertical plates are fixedly arranged at the left end and the right end of the transverse moving plate, the vertical rod is fixedly arranged in the middle of the transverse moving plate, and the tops of the vertical plates and the top of the vertical rod are fixed with the upper supporting plate;
the longitudinal moving plate can be sleeved outside the vertical plate and the vertical rod in a vertically sliding manner;
the noise reduction assembly is arranged at the outer end of the upper surface of the longitudinal moving plate.
Further, the lower supporting plate is formed by integrally forming a lower horizontal plate and a lower vertical plate, the lower vertical plate is located below the lower horizontal plate, the lower vertical plate can be detachably connected with an outer wall, the outer end edge and the inner end edge of the lower horizontal plate are vertically turned upwards to form a guide strip, and a transverse rack is arranged on the inner side of the upper surface of the lower horizontal plate.
Further, at least two guide wheels are installed at the position, opposite to the guide strips, of the lower surface of the transverse moving plate, the guide wheels are in sliding fit with the guide strips, a first motor is installed on the transverse moving plate, a first gear is installed on a power output shaft of the first motor, and the first gear penetrates through the transverse moving plate and is meshed with the transverse rack.
Further, last backup pad by last horizontal plate and last vertical plate integrated into one piece, last vertical plate be located the top of last horizontal plate, last vertical plate can dismantle with the outer wall and be connected.
Further, the inside wall fixed mounting of pole setting has vertical rack, the upper surface inner fixed mounting of longitudinal moving plate has the second motor, the power output shaft of second motor installs the second gear, second gear and vertical rack intermeshing.
Further, the outer end middle part integrated into one piece of longitudinal movement board has the mounting panel, the lower fixed surface of mounting panel installs the direction rack, the mounting panel outer sliding sleeve be equipped with the sliding frame, sliding frame bottom install the third motor, the power output shaft of third motor installs the third gear, third gear and direction rack intermeshing.
Further, a fourth motor is installed at the top of the sliding frame, a fourth gear is installed on a power output shaft of the fourth motor, the noise reduction assembly is installed at the top of the sliding frame and comprises an installation block, a U-shaped installation seat is installed at the top of the sliding frame, a rotating shaft of the installation block is rotatably installed in the U-shaped installation seat, a driven gear is installed at a power input end of the rotating shaft, and the fourth gear is meshed with the driven gear.
Further, the subassembly of making an uproar of falling still include fifth motor, installation pole, safety cover and inhale a sound section of thick bamboo, the fifth gear is installed to the power output shaft of fifth motor, drive gear is installed to the inner of installation pole, fifth gear and drive gear intermeshing, the outer end and the safety cover of installation pole are fixed with inhaling a sound section of thick bamboo.
Further, the noise reduction assembly further comprises a balancing weight, and the balancing weight is arranged at the top of the inner end of the mounting block.
Further, the sound-absorbing cylinder is filled with sound-absorbing materials, the sound-absorbing materials comprise a foamed polyolefin material layer, the foamed polyolefin material layer is of a cylindrical structure and is filled with microporous activated carbon and alumina, the pore diameter range of micropores in the microporous activated carbon is 0.2-0.8 nanometer, and the pore diameter range of mesopores in the alumina is 2-40 nanometers.
Compared with the prior art, the invention has the following beneficial effects:
1. when the device is used, the position of the noise reduction assembly can be moved downwards to a building window in the daytime, and the direction of the noise reduction assembly is adjusted to be opposite to and fixed with the noise reduction assembly according to the direction of noise; at night, the position of the noise reduction assembly can be moved up to a window of a second floor, and the direction of the noise reduction assembly is adjusted to be opposite to and fixed with the noise reduction assembly according to the direction of noise. Like this, can be according to the particularity of jumping the layer, random adjustment falls the position and the direction of subassembly of making an uproar to satisfy the special demand that the resident of jumping the layer falls the noise.
2. The ingenious design of bottom suspension strut structure not only is convenient for the installation and the dismantlement of bottom suspension strut, and the lateral sliding operation of the lateral shifting board of being convenient for moreover, and convenient and fast that use has improved user's comfort level.
3. The ingenious design of lateral shifting plate structure, the lateral sliding operation of the lateral shifting plate of being convenient for, convenient and fast that the use is got up has improved user's comfort level.
4. The ingenious design of the upper supporting plate structure is convenient for the installation and the disassembly of the upper supporting plate.
5. The vertical rack and the second motor are designed, so that the vertical moving plate can slide up and down conveniently, the use is convenient and fast, and the comfort level of a user is improved.
6. The ingenious design of sliding frame, third motor and direction rack is convenient for adjust the position of the subassembly of making an uproar that falls to improve the noise reduction effect greatly.
7. The ingenious design of fourth motor and driven gear is convenient for adjust the direction of making an uproar subassembly of falling at will according to the direction of noise to improve the noise reduction effect greatly.
8. The ingenious design of fifth motor and drive gear is convenient for adjust the direction of making an uproar subassembly of falling at will according to the direction of noise to improve the noise reduction effect greatly, in addition, the safety cover can protect the suction tube, increase of service life.
9. The design of balancing weight can prevent to fall the subassembly of making an uproar and turn up to the subassembly of making an uproar of falling plays the guard action, increase of service life.
10. Sound absorbing material's ingenious design has improved greatly and has inhaled sound noise reduction effect, can use a period back in addition, changes sound absorbing material, keeps good noise reduction effect lastingly, lets spring layer resident's life more comfortable.
Drawings
FIG. 1 is a first schematic view of a noise reduction structure for an exterior wall of a building according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation space structure of an embodiment of a noise reduction structure for an exterior wall of a building according to the present invention;
FIG. 3 is a schematic view of a second installation plane structure of an embodiment of a noise reduction structure for an exterior wall of a building according to the present invention;
FIG. 4 is a schematic perspective view of a noise reduction structure for an exterior wall of a building according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a noise reduction structure for an exterior wall of a building according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of an embodiment of a noise reduction structure for an exterior wall of a building according to the present invention, in which a lower support plate and a lateral moving plate are installed (after the lateral moving plate is removed);
FIG. 7 is a first schematic perspective view (with the upright removed) illustrating the installation of the upright and the longitudinal moving plate in the noise reduction structure for the exterior wall of the building according to the embodiment of the present invention;
FIG. 8 is a schematic view of a second three-dimensional structure of an embodiment of a noise reduction structure for an exterior wall of a building, in which a vertical rod and a longitudinal moving plate are installed (after the vertical rod is removed);
FIG. 9 is a schematic view of a mounting plane structure of a noise reducing assembly in an embodiment of a noise reducing structure of an exterior wall of a building according to the present invention;
FIG. 10 is a schematic perspective view of a noise reducing assembly installed in an embodiment of a noise reducing structure for an exterior wall of a building according to the present invention;
FIG. 11 is an enlarged view of the structure at A in FIG. 10;
FIG. 12 is a schematic circuit diagram of a noise reduction effect measurement in an embodiment of a noise reduction structure for an exterior wall of a building according to the present invention;
FIG. 13 is a layout diagram of a speaker and two sound level meters for measuring noise reduction effect in an embodiment of the noise reduction structure for the exterior wall of a building according to the present invention.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Examples
A noise reduction structure of a building outer wall comprises a lower supporting plate 3, a transverse moving plate 4, a vertical plate 5, an upper supporting plate 6, a vertical rod 7, a longitudinal moving plate 8 and a noise reduction assembly 9;
the lower support plate 3 and the upper support plate 6 can be fixedly arranged on the outer wall 1, the lower support plate 3 corresponds to the bottom of a first floor, and the upper support plate 6 corresponds to the top of a second floor;
the transverse moving plate 4 is arranged on the lower supporting plate 3 in a transverse sliding way;
two vertical plates 5 are arranged, the two vertical plates 5 are fixedly arranged at the left end and the right end of the transverse moving plate 4, the vertical rod 7 is fixedly arranged in the middle of the transverse moving plate 4, and the tops of the vertical plates 5 and the top of the vertical rod 7 are fixed with the upper supporting plate 6;
the longitudinal moving plate 8 can be sleeved outside the vertical plate 5 and the vertical rod 7 in a vertically sliding manner;
the noise reduction assembly 9 is mounted on the outer end of the upper surface of the longitudinal moving plate 8.
The lower support plate 3 is formed by integrally forming a lower horizontal plate and a lower vertical plate, the lower vertical plate is positioned below the lower horizontal plate, the lower vertical plate can be detachably connected with the outer wall 1, the outer end edge and the inner end edge of the lower horizontal plate are both turned upwards and vertically to form a guide strip 30, and a transverse rack 31 is arranged on the inner side of the upper surface of the lower horizontal plate.
At least two guide wheels 40 are installed at the position, facing the guide strip 30, of the lower surface of the transverse moving plate 4, the guide wheels 40 are in sliding fit with the guide strip 30, a first motor 41 is installed on the transverse moving plate 4, a first gear is installed on a power output shaft of the first motor 41, and the first gear penetrates through the transverse moving plate 4 and is meshed with the transverse rack 31.
Go up backup pad 6 by last horizontal plate and last vertical plate integrated into one piece, go up the vertical plate and be located the top of last horizontal plate, go up the vertical plate and can dismantle with outer wall 1 and be connected.
The inside wall of pole setting 7 is fixed with vertical rack 70, and the upper surface inner fixed mounting of longitudinal moving plate 8 has the second motor, and the power output shaft of second motor installs the second gear, and the second gear is engaged with vertical rack 70 each other.
The middle part of the outer end of the longitudinal moving plate 8 is integrally formed with a mounting plate 80, a guide rack 800 is fixedly mounted on the lower surface of the mounting plate 80, a sliding frame is sleeved outside the mounting plate 80 in a sliding mode, a third motor 801 is mounted at the bottom of the sliding frame, a third gear is mounted on a power output shaft of the third motor 801, and the third gear is meshed with the guide rack 800.
The noise reduction assembly 9 further comprises a fifth motor 90, an installation rod 91, a protection cover 93 and a sound absorption cylinder 94, a fifth gear is installed on a power output shaft of the fifth motor 90, a transmission gear is installed at the inner end of the installation rod 91, the fifth gear is meshed with the transmission gear, and the outer end of the installation rod 91 is fixed with the protection cover 93 and the sound absorption cylinder 94.
The noise reduction assembly 9 further comprises a weight block 92, and the weight block 92 is arranged at the top of the inner end of the mounting block.
The sound absorption cylinder 94 is filled with sound absorption materials, the sound absorption materials comprise a foam polyolefin material layer, the foam polyolefin material layer is of a cylindrical structure and is filled with microporous activated carbon and alumina, the pore diameter range of micropores in the microporous activated carbon is 0.2-0.8 nanometer, and the pore diameter range of mesopores in the alumina is 2-40 nanometer.
The method comprises the steps of measuring by adopting a loudspeaker sound source, connecting a test system according to the graph 12 and debugging, receiving sound to be measured by a microphone, converting sound waves into electric signals by the microphone, filtering the passing signals by an amplifier and a filter, and analyzing by a CRAS vibration and dynamic signal acquisition and analysis system.
Connecting instruments, calibrating sound level meters, arranging a loudspeaker and ch1 and ch2 sound level meters as shown in fig. 13, respectively placing 2 sound level meters on the inner side and the outer side of the building outer wall, selecting the sound level meters to be 0.7m in horizontal distance to a test wall surface, and selecting the sound level meters to be 1.2m away from the ground, wherein the ends of the two sound level meters are just aligned to a straight line; the distance of the speaker from the test object was 7.5m. And after the connection and placement of the instrument are completed, switching on a power supply, turning on a CRAS test and analysis system, adjusting the setting of related parameters, and starting measurement.
The measurement results are shown in table 1:
as can be seen from table 1, during the day, three periods 10 to 11 00, 13.
In the evening, three periods of 22.
It can be seen that after the noise reduction structure is installed on the outer wall 1, the noise reduction effect is obviously improved, the special requirements of noise reduction of duplex residents can be met, and the noise reduction structure is suitable for market popularization and use.
In the drawings, reference numeral 2 denotes a floor, and reference numeral 100 denotes a window.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A noise reduction structure of a building outer wall is characterized in that: the device comprises a lower supporting plate (3), a transverse moving plate (4), a vertical plate (5), an upper supporting plate (6), a vertical rod (7), a longitudinal moving plate (8) and a noise reduction assembly (9);
the lower supporting plate (3) and the upper supporting plate (6) are fixedly arranged on the outer wall (1), the lower supporting plate (3) corresponds to the bottom of a first floor, and the upper supporting plate (6) corresponds to the top of a second floor;
the transverse moving plate (4) is transversely and slidably arranged on the lower supporting plate (3);
the two vertical plates (5) are fixedly arranged at the left end and the right end of the transverse moving plate (4), the vertical rod (7) is fixedly arranged in the middle of the transverse moving plate (4), and the tops of the vertical plates (5) and the vertical rod (7) are fixed with the upper supporting plate (6);
the longitudinal moving plate (8) is sleeved outside the vertical plate (5) and the vertical rod (7) in a vertically sliding manner;
the noise reduction assembly (9) is arranged at the outer end of the upper surface of the longitudinal moving plate (8);
the middle part of the outer end of the longitudinal moving plate (8) is integrally formed with a mounting plate (80), a guide rack (800) is fixedly mounted on the lower surface of the mounting plate (80), a sliding frame is sleeved outside the mounting plate (80) in a sliding mode, a third motor (801) is mounted at the bottom of the sliding frame, a power output shaft of the third motor (801) is provided with a third gear, and the third gear is meshed with the guide rack (800);
a fourth motor (802) is installed at the top of the sliding frame, a fourth gear is installed on a power output shaft of the fourth motor (802), the noise reduction assembly (9) is installed at the top of the sliding frame, the noise reduction assembly (9) comprises an installation block, a U-shaped installation seat is installed at the top of the sliding frame, a rotating shaft of the installation block is rotatably installed in the U-shaped installation seat, a driven gear (803) is installed at a power input end of the rotating shaft, and the fourth gear is meshed with the driven gear (803);
noise reduction unit (9) still include fifth motor (90), installation pole (91), safety cover (93) and inhale a sound section of thick bamboo (94), the power output shaft of fifth motor (90) installs the fifth gear, drive gear is installed to the inner of installation pole (91), fifth gear and drive gear intermeshing, the outer end and the safety cover (93) of installation pole (91) and inhale a sound section of thick bamboo (94) and fix.
2. A noise reducing structure of an exterior wall of a building according to claim 1, wherein: lower supporting plate (3) by lower horizontal plate and lower vertical plate integrated into one piece, lower vertical plate be located lower horizontal plate's below, lower vertical plate can dismantle with outer wall (1) and be connected, lower horizontal plate's outer end edge and inner edge all turn over to the vertical book that makes progress and form conducting bar (30), lower horizontal plate's upper surface inboard is equipped with horizontal rack (31).
3. A noise reducing structure for an exterior wall of a building according to claim 2, wherein: the lower surface of the transverse moving plate (4) is provided with at least two guide wheels (40) opposite to the guide strips (30), the guide wheels (40) are in sliding fit with the guide strips (30), the transverse moving plate (4) is provided with a first motor (41), a power output shaft of the first motor (41) is provided with a first gear, and the first gear penetrates through the transverse moving plate (4) and is meshed with the transverse rack (31).
4. A noise reducing structure for an exterior wall of a building according to claim 3, wherein: go up backup pad (6) by last horizontal plate and last vertical plate integrated into one piece, last vertical plate be located the top of last horizontal plate, last vertical plate can dismantle with outer wall (1) and be connected.
5. A noise reducing structure for an exterior wall of a building according to claim 4, wherein: the utility model discloses a vertical pole setting (7) and vertical rack (70) are installed to the inside wall fixed mounting of pole setting (7), the upper surface inner fixed mounting of vertical moving plate (8) has the second motor, the power output shaft of second motor installs the second gear, second gear and vertical rack (70) intermeshing.
6. A noise reducing structure for an exterior wall of a building according to claim 5, wherein: the noise reduction assembly (9) further comprises a balancing weight (92), and the balancing weight (92) is arranged at the top of the inner end of the mounting block.
7. A noise reducing structure for an external wall of a building as claimed in claim 6, wherein: the sound-absorbing cylinder (94) is filled with sound-absorbing materials, the sound-absorbing materials comprise a foamed polyolefin material layer, the foamed polyolefin material layer is of a cylindrical structure and is filled with microporous activated carbon and alumina, the pore diameter range of micropores in the microporous activated carbon is 0.2-0.8 nanometer, and the pore diameter range of mesopores in the alumina is 2-40 nanometers.
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| CN202110625934.4A CN113323183B (en) | 2021-06-04 | 2021-06-04 | Noise reduction structure of building outer wall |
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| CN202110625934.4A CN113323183B (en) | 2021-06-04 | 2021-06-04 | Noise reduction structure of building outer wall |
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| CN113323183B true CN113323183B (en) | 2022-11-29 |
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| CN108824657A (en) * | 2018-06-29 | 2018-11-16 | 重庆建筑工程职业学院 | Exterior walls of buildings denoising structure |
| CN210002603U (en) * | 2019-04-08 | 2020-01-31 | 青岛中嘉建设集团有限公司 | noise reduction structure for building outer wall |
| CN111058585A (en) * | 2019-12-05 | 2020-04-24 | 河南大学 | Noise reduction structure of building outer wall |
| CN111364631A (en) * | 2020-03-26 | 2020-07-03 | 湖南工业大学 | Building outer wall sound insulation noise reduction equipment |
| CN211597271U (en) * | 2020-01-06 | 2020-09-29 | 泰州市伟成装饰装潢有限公司 | Sound-insulation curtain wall with honeycomb type noise reduction structure |
| CN211949022U (en) * | 2020-03-03 | 2020-11-17 | 蒋飞 | High-efficiency noise reduction device for building |
| CN112267588A (en) * | 2020-10-26 | 2021-01-26 | 中国建筑第七工程局有限公司 | Noise reduction structure for building outer wall |
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2021
- 2021-06-04 CN CN202110625934.4A patent/CN113323183B/en not_active Expired - Fee Related
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| CN108824657A (en) * | 2018-06-29 | 2018-11-16 | 重庆建筑工程职业学院 | Exterior walls of buildings denoising structure |
| CN210002603U (en) * | 2019-04-08 | 2020-01-31 | 青岛中嘉建设集团有限公司 | noise reduction structure for building outer wall |
| CN111058585A (en) * | 2019-12-05 | 2020-04-24 | 河南大学 | Noise reduction structure of building outer wall |
| CN211597271U (en) * | 2020-01-06 | 2020-09-29 | 泰州市伟成装饰装潢有限公司 | Sound-insulation curtain wall with honeycomb type noise reduction structure |
| CN211949022U (en) * | 2020-03-03 | 2020-11-17 | 蒋飞 | High-efficiency noise reduction device for building |
| CN111364631A (en) * | 2020-03-26 | 2020-07-03 | 湖南工业大学 | Building outer wall sound insulation noise reduction equipment |
| CN112267588A (en) * | 2020-10-26 | 2021-01-26 | 中国建筑第七工程局有限公司 | Noise reduction structure for building outer wall |
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| CN113323183A (en) | 2021-08-31 |
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