CN108301521B - Sound-insulation noise-reduction protective cover and installation method - Google Patents
Sound-insulation noise-reduction protective cover and installation method Download PDFInfo
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- CN108301521B CN108301521B CN201810301780.1A CN201810301780A CN108301521B CN 108301521 B CN108301521 B CN 108301521B CN 201810301780 A CN201810301780 A CN 201810301780A CN 108301521 B CN108301521 B CN 108301521B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 title claims description 92
- 238000009434 installation Methods 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000030279 gene silencing Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims description 84
- 239000011358 absorbing material Substances 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000011449 brick Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 229920001821 foam rubber Polymers 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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Classifications
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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
- E04B1/8218—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 soundproof enclosures
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- Acoustics & Sound (AREA)
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Abstract
The invention discloses a sound-insulating and noise-reducing protective cover and an installation method, wherein the sound-insulating and noise-reducing protective cover comprises a steel framework, a front noise-reducing mechanism, a rear noise-reducing mechanism, a left noise-reducing mechanism, a right noise-reducing mechanism and a top noise-reducing mechanism are arranged on the steel framework, the front noise-reducing mechanism, the rear noise-reducing mechanism, the left noise-reducing mechanism and the right noise-reducing mechanism are formed by splicing a plurality of vertical sound-insulating plates, at least 1 of the front noise-reducing mechanism and the rear noise-reducing mechanism is provided with a fireproof sound-insulating door, at least one of the left noise-reducing mechanism and the right noise-reducing mechanism is provided with a silencing shutter, the top noise-reducing mechanism comprises horizontal sound-insulating plates arranged at two ends and an open-hanging sound-insulating plate arranged in the middle, and sound-insulating plates are arranged on the inner sides of the vertical sound-insulating plates, the horizontal sound-insulating plates and the open-hanging sound-insulating plates. The invention solves the problem of noise pollution caused by power equipment.
Description
Technical Field
The invention relates to the technical field of noise reduction, in particular to a sound-insulation noise-reduction protective cover and an installation method.
Background
At present, the noise problem of the moving equipment (such as a generator, a compressor, a pump and the like) of coastal and middle sea oil offshore facilities is remarkable, the noise intensity is in the range of 95dB (A) -110dB (A), some noise sources are provided with simple protection covers, but no obvious noise reduction effect exists, and some noise sources are directly exposed to the environment, so that the noise emission exceeds the environment protection requirement and does not meet the professional sanitary requirement, and the rest and the physical health of residents and staff are seriously influenced.
Disclosure of Invention
The invention aims to provide a sound-insulation noise-reduction protective cover, which solves the problem of noise pollution caused by power equipment.
In addition, the invention also provides a method for installing the sound-insulation and noise-reduction protective cover.
The invention is realized by the following technical scheme:
The utility model provides a protection casing of making an uproar falls in sound insulation, includes steel skeleton, be provided with front side noise reduction mechanism, rear side noise reduction mechanism, left side noise reduction mechanism, right side noise reduction mechanism and top noise reduction mechanism on the steel skeleton, front side noise reduction mechanism, rear side noise reduction mechanism, left side noise reduction mechanism, right side noise reduction mechanism are formed by a plurality of vertical acoustic celotex boards concatenation, and wherein, front side noise reduction mechanism, rear side noise reduction mechanism have 1 at least to be provided with the fire prevention sound proof door, left side noise reduction mechanism, right side noise reduction mechanism have at least one to be provided with the amortization shutter, top noise reduction mechanism is including setting up the horizontal acoustic celotex board at both ends and the division of hanging acoustic celotex board at the middle part that sets up, vertical acoustic celotex board, horizontal acoustic celotex board and division of hanging acoustic celotex board's inboard are provided with the abatvoix board.
The fireproof sound-proof door, the sound-proof shutter, the sound-proof plate and the sound-absorbing plate are all in the prior art, the hanging-type sound-proof plate specifically refers to an openable structure, one end of the hanging-type sound-proof plate can be connected through a rotating shaft, the other end of the hanging-type sound-proof plate is in non-fixed connection (can be connected through a lock catch), the sound-proof shutter adopts a sound-proof shutter with the thickness of 600mm, and the sound-proof shutter can ensure ventilation quantity and design sound-proof quantity to be more than 20 dB. The orifice plate of the silencing shutter adopts galvanized perforated plate material.
According to the invention, the steel skeleton is used as a bearing support mechanism, and then the front side noise reduction mechanism, the rear side noise reduction mechanism, the left side noise reduction mechanism, the right side noise reduction mechanism and the top noise reduction mechanism are arranged on the steel skeleton, and the front side noise reduction mechanism, the rear side noise reduction mechanism, the left side noise reduction mechanism, the right side noise reduction mechanism and the top noise reduction mechanism are arranged on the steel skeleton to form a closed protective cover, so that the effects of sound insulation and noise reduction can be achieved, typhoon can be prevented, the fire prevention and noise reduction door is arranged, the personnel can conveniently enter and exit the protective cover without affecting the effects of sound insulation and noise reduction, and the effects of heat dissipation and ventilation can be achieved without affecting the effects of sound insulation and noise reduction through the arrangement of the noise reduction louver; through setting up the baffle that opens the formula, inhale the sound insulation and do benefit to the hoist and mount operation of mechanical facilities when overhauling.
The sound-absorbing plate has sound-insulating effect and sound-absorbing effect, and can reduce noise outside the protective cover and noise inside the protective cover. The external space is not influenced, the internal staff is not influenced, and the safety is good.
Further, the horizontal sound insulation board and the open-hanging sound insulation board are symmetrically provided with 2 rows, the open-hanging sound insulation board comprises a horizontal part and an inclined part, one end of the inclined part is hinged with the horizontal part, and the other end of the inclined part is spliced with the inclined part of the other symmetry.
Specifically, horizontal acoustic baffle and horizontal part setting are connected with steel structure skeleton, tilting part one end is articulated with the horizontal part, and the tip of 2 symmetrical tilting parts is through detaining the connection more. The hanging type sound insulation plate can also be a whole inclined plate
According to the invention, the suspended type sound insulation plate comprises the horizontal part and the inclined part, so that sound insulation and noise reduction can be realized, water is conveniently guided, and water accumulation at the top can be effectively avoided.
Further, the inclined part is provided with a lifting lug; the fireproof sound insulation door is of a sliding door structure, and a handle is arranged on the fireproof sound insulation door.
The lifting lugs are arranged for opening and closing operations of the open-type sound insulation plate. The sliding door structure is particularly a bidirectional double-lock track sliding type fireproof sound-proof door, which is beneficial to saving space, and the arrangement of the handle is convenient for manually operating the opening and closing of the fireproof sound-proof door
Further, 4 edges of the top noise reduction mechanism protrude from the front noise reduction mechanism, the rear noise reduction mechanism, the left noise reduction mechanism and the right noise reduction mechanism.
The top noise reduction mechanism not only plays the purpose of sound insulation and noise reduction, but also plays the role of a roof, 4 edges of the top noise reduction mechanism are protruded and arranged to protect the front noise reduction mechanism, the rear noise reduction mechanism, the left noise reduction mechanism, the right noise reduction mechanism and the steel framework.
Further, still include round manger plate brick, the manger plate brick encloses into rectangular frame structure, steel constructs the lower extreme of skeleton and is connected with the manger plate brick through the inflation screw, manger plate brick and ground fixed connection.
The water retaining brick has the efficacy of the waterproof table, so that the steel skeleton is protected, water accumulation on the inner side of the steel skeleton can be effectively avoided, and power equipment in the protective cover can be protected.
Further, a circle of rubber plate is arranged on the outer side of the lower end of the steel skeleton, the thickness of the rubber plate is 10mm, the width of the rubber plate is 80mm, and a foam rubber strip is arranged between the rubber plate and the steel skeleton.
The foam adhesive tape has viscosity, can connect steel skeleton and rubber slab, the rubber slab is prior art, the rubber slab be provided with be favorable to protecting steel skeleton.
Further, the vertical sound insulation plate, the horizontal sound insulation plate and the hanging sound insulation plate are low-frequency damping plates, and the sound absorption plate comprises a frame body and sound absorption materials filled in the frame body; the steel skeleton is made of galvanized steel sheet.
The low-frequency damping plate and the sound absorbing material are both in the prior art, the low-frequency damping plate has a good sound insulation effect, and the sound absorbing material not only can insulate sound but also can absorb sound, so that noise in the protective cover is effectively reduced.
The sound absorbing material may be glass wool or polyester fiber.
The galvanized steel sheet is in the prior art and has the anti-corrosion effect.
Further, the thickness of the vertical sound insulation plate, the horizontal sound insulation plate and the hanging sound insulation plate is 8-12cm, and the thickness of the sound absorption plate is 12-15cm.
The difference in sound insulation and noise reduction effects is related to the thickness of the materials of the sound insulation plate and the sound absorption plate. The applicant found through experiments that:
on the premise of a certain thickness, the sound insulation quantity R and the density of the sound absorbing material are in the following relation:
R=16lgM+14lgf-29
m-single-layer homogeneous wall surface density
F-frequency.
On the premise of a certain material, the thickness of the sound-proof quantity R sound-absorbing material is in direct proportion. However, the thickness of the sound absorbing material is too large, which is likely to cause waste of resources, so that the thickness of the sound absorbing material is reasonably set. When the glass wool is adopted, the thickness of the sound absorbing plate is 12-15cm more reasonably, the noise intensity can be reduced by less than 40 decibels, and the waste of the sound insulating plate and the sound absorbing plate material can be avoided.
Further, be provided with a plurality of sand strips on the steel skeleton, vertical acoustic celotex board and horizontal acoustic celotex board's inner wall all is provided with the slot with sand strip complex, still includes 2 reinforcing apparatus at least, reinforcing apparatus includes the stand that 2 symmetries set up, the bottom of stand is provided with the mount pad, the top of stand is provided with the dead lever, the dead lever includes multistage fixed body, articulates each other between the adjacent fixed body, and the fixed body of one end is articulated with the top of stand, and2 fixed body detachable connection of keeping away from the stand, reinforcing apparatus is used for strengthening the top of protection casing.
In the use process, 2 upright posts are placed on two sides of the protective cover, the two upright posts are tightly connected with the ground through the cooperation of the mounting seat and the bolts, the fixing rod is pressed on the top of the protective cover, then the fixing bodies at the 2 end parts are connected (can be realized through a hook and a fixing ring), the fastening of the top of the protective cover is realized through the fixing rod, the wind resistance of the protective cover is improved, and the fixing body has certain elasticity due to the structure that an elastic body is arranged in the preferable middle part of the fixing body.
The installation method of the sound-insulation and noise-reduction protective cover comprises the following steps of:
1) Detecting a noise source, measuring the noise intensity of the noise source to be X dB, and calculating the density of the sound absorbing material according to the following formula:
R=16lgM+14lgf-29
M is the density of single-layer homogeneous wall surface;
f-frequency;
r is sound insulation quantity, the unit is decibel,
Wherein r=x-40;
2) After the sound-absorbing material is determined, testing the thickness of the sound-absorbing material until the thickness of the sound-absorbing material enables the noise on the inner side and the outer side of the protective cover to be less than 40 decibels;
3) Welding steel plates to form a steel skeleton;
4) Splicing and fixing the vertical sound insulation plates on the outer side of the steel framework, and installing a silencing shutter and a fireproof sound insulation door;
5) Firstly, installing horizontal sound insulation plates at two ends of the top, and then installing an open-type sound insulation plate;
6) And installing sound absorbing boards on the inner sides of the vertical sound insulating board, the horizontal sound insulating board and the hanging sound insulating board.
The difference in sound insulation and noise reduction effects is related to the thickness of the materials of the sound insulation plate and the sound absorption plate. The applicant found through experiments that:
on the premise of a certain thickness, the sound insulation quantity R and the density of the sound absorbing material are in the following relation:
R=16lgM+14lgf-29
On the premise of a certain material, the thickness of the sound-proof quantity R sound-absorbing material is in direct proportion. However, the thickness of the sound absorbing material is too large, which is likely to cause waste of resources, so that the thickness of the sound absorbing material is reasonably set.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the steel skeleton is used as a bearing support mechanism, and then the front side noise reduction mechanism, the rear side noise reduction mechanism, the left side noise reduction mechanism, the right side noise reduction mechanism and the top noise reduction mechanism are arranged on the steel skeleton, so that the steel skeleton is provided with the front side noise reduction mechanism, the rear side noise reduction mechanism, the left side noise reduction mechanism, the right side noise reduction mechanism and the top noise reduction mechanism to form a closed protective cover, thereby not only playing the effects of sound insulation and noise reduction, but also preventing fire and typhoon.
2. The sound-absorbing plate has sound-insulating effect and sound-absorbing effect, and can reduce noise outside the protective cover and noise inside the protective cover. The external space is not influenced, the internal staff is not influenced, and the safety is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic view of a sound-insulating noise-reducing protective cover;
FIG. 2 is a schematic diagram of a sound-insulating noise-reducing protective cover;
FIG. 3 is a top view of a steel skeleton;
FIG. 4 is a schematic view of the structure of a vertical baffle;
Fig. 5 is a schematic structural view of the reinforcing apparatus.
In the drawings, the reference numerals and corresponding part names:
1-steel framework, 2-vertical acoustic baffle, 3-horizontal acoustic baffle, 4-hanging acoustic baffle, 5-fireproof acoustic door, 6-silencing shutter, 7-acoustic baffle, 8-rubber plate, 9-water retaining brick, 10-slot, 11-upright post, 12-fixed body, 13-mount pad, 41-lifting lug and 51-handle.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1:
As shown in fig. 1 to 3, a sound insulation and noise reduction protective cover comprises a steel skeleton 1, wherein a front side noise reduction mechanism, a rear side noise reduction mechanism, a left side noise reduction mechanism, a right side noise reduction mechanism and a top noise reduction mechanism are arranged on the steel skeleton 1, the front side noise reduction mechanism, the rear side noise reduction mechanism, the left side noise reduction mechanism and the right side noise reduction mechanism are formed by splicing a plurality of vertical sound insulation plates 2, at least 1 front side noise reduction mechanism and rear side noise reduction mechanism is provided with a fireproof sound insulation door 5, the left side noise reduction mechanism or the right side noise reduction mechanism is provided with a sound insulation shutter 6, the top noise reduction mechanism comprises horizontal sound insulation plates 3 arranged at two ends and an open-type sound insulation plate 4 arranged in the middle, the inner sides of the vertical sound insulation plates 2, the horizontal sound insulation plates 3 and the open-type sound insulation plates 4 are provided with a plurality of sound insulation plates, the open-type sound insulation plates 4 are spliced, the open-type sound insulation plates 4 are formed by splicing a plurality of sound insulation plates 4, the open-type sound insulation plates can be spliced by the aid of an interference type sound insulation plate 3 or a filling type sound insulation plate 2 and a sound insulation plate 3 is a sound insulation frame body, and a sound insulation frame body is embedded in the sound insulation material is filled with the sound insulation plate 3; the thicknesses of the vertical sound insulation plate 2, the horizontal sound insulation plate 3 and the hanging sound insulation plate 4 are 8-12cm, and the thickness of the sound absorption plate 7 is 12-15cm.
Example 2:
As shown in fig. 1 to 3, the present embodiment is based on embodiment 1, the horizontal acoustic panel 3 and the open-type acoustic panel 4 are symmetrically arranged in 2 rows, the open-type acoustic panel 4 includes a horizontal portion and an inclined portion, one end of the inclined portion is hinged with the horizontal portion, and the other end is spliced with another symmetrical inclined portion; the inclined part is provided with a lifting lug 41; the 4 edges of the top noise reduction mechanism protrude out of the front noise reduction mechanism, the rear noise reduction mechanism, the left noise reduction mechanism and the right noise reduction mechanism; the fireproof sound-proof door 5 is of a sliding door structure, and a handle 51 is arranged on the fireproof sound-proof door 5.
Example 3:
As shown in fig. 1 to 3, the embodiment is based on embodiment 1 or embodiment 2, and further comprises a circle of water blocking bricks 9, wherein the water blocking bricks 9 enclose a rectangular frame structure, the lower end of the steel skeleton 1 is connected with the water blocking bricks 9 through expansion screws, and the water blocking bricks 9 are fixedly connected with the ground; a circle of rubber plate 8 is arranged on the outer side of the lower end of the steel skeleton 1, the thickness of the rubber plate 8 is 10mm, the width of the rubber plate 8 is 80mm, and a foam rubber strip is arranged between the rubber plate 8 and the steel skeleton 1; the steel skeleton 1 is made of galvanized steel sheets.
Example 4:
As shown in fig. 1 to 5, this embodiment is based on embodiment 1 or embodiment 2, be provided with a plurality of sand grips on the steel skeleton 1, the inner wall of vertical acoustic baffle 2 and horizontal acoustic baffle 3 all is provided with sand grip complex slot 10, still includes 2 reinforcing apparatus, reinforcing apparatus includes 2 stand 11 that the symmetry set up, the bottom of stand 11 is provided with mount pad 13, the top of stand 11 is provided with the dead lever, the dead lever includes multistage fixed body 12, articulates each other between the adjacent fixed body 12, and the fixed body 12 of one end articulates with the top of stand 11, and 2 fixed body 12 detachable connection of keeping away from stand 11, reinforcing apparatus is used for strengthening the top of protection casing.
The installation method of the sound-insulation and noise-reduction protective cover comprises the following steps of:
1) Detecting a noise source, measuring the noise intensity of the noise source to be X dB, and calculating the density of the sound absorbing material according to the following formula:
R=16lgM+14lgf-29
M is the density of single-layer homogeneous wall surface;
f-frequency;
r is sound insulation quantity, the unit is decibel,
Wherein r=x-40;
2) After the sound-absorbing material is determined, testing the thickness of the sound-absorbing material until the thickness of the sound-absorbing material enables the noise on the inner side and the outer side of the protective cover to be less than 40 decibels;
3) A steel skeleton 1 is formed by welding steel plates;
4) The vertical sound insulation plates 2 are spliced and fixed on the outer side of the steel framework 1, and a silencing louver 6 and a fireproof sound insulation door 5 are installed;
5) Firstly, installing horizontal sound insulation plates 3 at two ends of the top, and then installing an open-type sound insulation plate 4;
6) The sound absorbing panel 7 is installed inside the vertical sound insulating panel 2, the horizontal sound insulating panel 3 and the suspended sound insulating panel 4.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The sound-proof noise-reduction protective cover is characterized by comprising a steel skeleton (1), wherein a front noise-reduction mechanism, a rear noise-reduction mechanism, a left noise-reduction mechanism, a right noise-reduction mechanism and a top noise-reduction mechanism are arranged on the steel skeleton (1), the front noise-reduction mechanism, the rear noise-reduction mechanism, the left noise-reduction mechanism and the right noise-reduction mechanism are formed by splicing a plurality of vertical sound-insulation plates (2), at least 1 of the front noise-reduction mechanism and the rear noise-reduction mechanism is provided with a fireproof sound-insulation door (5), at least one of the left noise-reduction mechanism and the right noise-reduction mechanism is provided with a sound-reduction shutter (6), the top noise-reduction mechanism comprises horizontal sound-insulation plates (3) arranged at two ends and an open-hanging sound-insulation plate (4) arranged in the middle, and sound-insulation plates (7) are arranged on the inner sides of the vertical sound-insulation plates (2), the horizontal sound-insulation plates (3) and the open-hanging sound-insulation plates (4); the horizontal sound insulation plate (3) and the open-type sound insulation plate (4) are symmetrically provided with 2 rows, the open-type sound insulation plate (4) comprises a horizontal part and an inclined part, one end of the inclined part is hinged with the horizontal part, and the other end of the inclined part is spliced with the other symmetrical inclined part;
The vertical sound insulation plate (2), the horizontal sound insulation plate (3) and the hanging type sound insulation plate (4) are low-frequency damping plates, and the sound absorption plate (7) comprises a frame body and sound absorption materials filled in the frame body; the steel skeleton (1) is made of galvanized steel sheets;
The thicknesses of the vertical sound insulation plate (2), the horizontal sound insulation plate (3) and the hanging sound insulation plate (4) are 8-12cm, and the thickness of the sound absorption plate (7) is 12-15cm;
The water retaining device is characterized by further comprising a circle of water retaining bricks (9), wherein the water retaining bricks (9) are surrounded to form a rectangular frame structure, the lower end of the steel skeleton (1) is connected with the water retaining bricks (9) through expansion screws, and the water retaining bricks (9) are fixedly connected with the ground;
Be provided with a plurality of sand strips on steel skeleton (1), the inner wall of vertical acoustic celotex board (2) and horizontal acoustic celotex board (3) all is provided with slot (10) with sand strips complex, still includes 2 reinforcing apparatus at least, reinforcing apparatus includes stand (11) that 2 symmetries set up, the bottom of stand (11) is provided with mount pad (13), the top of stand (11) is provided with the dead lever, the dead lever includes multistage fixed body (12), articulates each other between adjacent fixed body (12), and fixed body (12) of one of them end are articulated with the top of stand (11), and fixed body (12) detachable connection of stand (11) are kept away from to 2, reinforcing apparatus is used for strengthening the top of protection casing.
2. A sound-insulating and noise-reducing protective cover according to claim 1, characterized in that the oblique portion is provided with lifting lugs (41); the fireproof sound-proof door (5) is of a sliding door structure, and a handle (51) is arranged on the fireproof sound-proof door (5).
3. The sound and noise reduction shield of claim 1 wherein the 4 edges of the top noise reduction mechanism protrude from the front noise reduction mechanism, the rear noise reduction mechanism, the left noise reduction mechanism and the right noise reduction mechanism.
4. The sound insulation and noise reduction protective cover according to claim 1, wherein a circle of rubber plate (8) is arranged on the outer side of the lower end of the steel skeleton (1), the thickness of the rubber plate (8) is 10mm, the width of the rubber plate is 80mm, and foam rubber strips are arranged between the rubber plate (8) and the steel skeleton (1).
5. A method of installing a sound-insulating noise-reducing protective cover according to any one of claims 1 to 4, comprising the steps of:
1) Detecting a noise source, measuring the noise intensity of the noise source to be X dB, and calculating the density of the sound absorbing material according to the following formula:
R=16lgM+14lgf-29
M is the density of single-layer homogeneous wall surface;
f-frequency;
r is sound insulation quantity, the unit is decibel,
Wherein r=x-40;
2) After the sound-absorbing material is determined, testing the thickness of the sound-absorbing material until the thickness of the sound-absorbing material enables the noise on the inner side and the outer side of the protective cover to be less than 40 decibels;
3) A steel skeleton (1) is formed by welding steel plates;
4) The vertical sound insulation plates (2) are spliced and fixed on the outer side of the steel framework (1), and a silencing shutter (6) and a fireproof sound insulation door (5) are installed;
5) Firstly, installing horizontal sound insulation plates (3) at two ends of the top, and then installing an open-type sound insulation plate (4);
6) And sound absorbing boards (7) are arranged on the inner sides of the vertical sound insulating board (2), the horizontal sound insulating board (3) and the open-hanging sound insulating board (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810301780.1A CN108301521B (en) | 2018-04-04 | 2018-04-04 | Sound-insulation noise-reduction protective cover and installation method |
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| CN201810301780.1A CN108301521B (en) | 2018-04-04 | 2018-04-04 | Sound-insulation noise-reduction protective cover and installation method |
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| CN108301521A CN108301521A (en) | 2018-07-20 |
| CN108301521B true CN108301521B (en) | 2024-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110331793A (en) * | 2019-06-25 | 2019-10-15 | 明阳智慧能源集团股份公司 | A kind of sound insulation and noise reduction system for wind-powered electricity generation large test equipment |
| CN111015952A (en) * | 2020-02-08 | 2020-04-17 | 无棣国梁防腐保温工程有限公司 | Intelligent large-scale cement foaming machine |
| CN111322886B (en) * | 2020-02-20 | 2021-12-03 | 深圳市宏大建设集团有限公司 | Noise reduction structure of air-cooled heat pump and cooling tower and construction process of structure |
| CN113898274A (en) * | 2021-09-30 | 2022-01-07 | 正升环境科技股份有限公司 | Sound reduction cover top cover capable of being fused and opened controllably |
| CN114465405B (en) * | 2022-02-16 | 2023-04-18 | 江西昌龙电机有限公司 | Micro motor with noise reduction function |
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| CN204510926U (en) * | 2015-02-13 | 2015-07-29 | 盘锦辽河油田泰利达顺诚环保工程有限公司 | Recover the oil note nitrogen machine assembled moving sound insulation and noise reduction room |
| CN208039509U (en) * | 2018-04-04 | 2018-11-02 | 元少平 | A kind of sound insulation and noise reduction protective cover |
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2018
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204510926U (en) * | 2015-02-13 | 2015-07-29 | 盘锦辽河油田泰利达顺诚环保工程有限公司 | Recover the oil note nitrogen machine assembled moving sound insulation and noise reduction room |
| CN208039509U (en) * | 2018-04-04 | 2018-11-02 | 元少平 | A kind of sound insulation and noise reduction protective cover |
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