CN215166726U - Noise elimination and reduction device for machine room - Google Patents
Noise elimination and reduction device for machine room Download PDFInfo
- Publication number
- CN215166726U CN215166726U CN202120717106.9U CN202120717106U CN215166726U CN 215166726 U CN215166726 U CN 215166726U CN 202120717106 U CN202120717106 U CN 202120717106U CN 215166726 U CN215166726 U CN 215166726U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- machine room
- noise
- sound
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a noise elimination and reduction device for machine room, which belongs to the technical field of noise elimination and reduction, and comprises a machine room main body, one end of the machine room main body is fixedly connected with a noise reduction plate, one side of the machine room main body is provided with a hollow groove, the inner wall of the hollow groove is fixedly connected with a noise reduction box, one side of the noise reduction box is symmetrically provided with two connecting holes, a noise elimination bracket mainly comprises a supporting leg and a supporting plate, the upper end of the supporting plate is provided with a plurality of heat dissipation and noise elimination holes, the heat dissipation and noise elimination holes penetrate through the supporting plate, a first sound absorption layer is pasted on the inner side wall of the heat dissipation and noise elimination holes, the inner wall of the noise reduction box is coated with sound absorption coating, the noise in the machine room can be preliminarily absorbed and reduced through the matching of a noise absorption wedge and a damping sheet, then through a sponge plate, the matching of the connecting plate and a wave body can further reduce the noise generated in the machine room to the maximum degree, the working comfort of workers can be improved, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of noise elimination and noise reduction, concretely relates to noise elimination and noise reduction device for computer lab.
Background
At present, mechanical equipment generates large noise during working, the average indoor measured sound pressure level is as high as 100 to 120 decibels, the noise value is higher than national requirement of noise standards of industrial enterprises by 15 to 35 decibels, and the noise superscale is very high. In addition, because the indoor noise is not easy to attenuate, the noise generated by mechanical equipment can cause serious noise pollution to the working environment, the noise harms the physical health and the psychological health of workers, the outdoor noise value is up to 90 decibels, and the serious damage is brought to the rest and the life of residents; therefore, in the aspects of labor protection and influence on surrounding residents, an efficient noise elimination and reduction device capable of reducing the noise of a generator to meet the national urban area environmental noise standard is urgently needed, and the following defects exist in the existing production process:
because the noise that the equipment operation produced is very big when present computer lab during operation, very influence worker people's work efficiency, also can cause certain degree's damage to workman's health for a long time, the noise is too big moreover also can produce the pollution to the environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls in noise elimination for computer lab, it is very big to aim at solving the noise that current computer lab during operation equipment operation produced among the prior art, influences worker people's work efficiency very much, also can cause the damage of certain degree to workman's health for a long time, and the noise is too big moreover also can produce the pollution problem to the environment.
In order to achieve the above object, the utility model provides a following technical scheme: a noise elimination and reduction device for a machine room comprises a machine room main body, wherein one end of the machine room main body is fixedly connected with a noise reduction plate, one side of the machine room main body is provided with a hollow groove, the inner wall of the hollow groove is fixedly connected with a noise reduction box, one side of the noise reduction box is symmetrically provided with two connecting holes, one side surface of the noise reduction box corresponding to the two connecting holes is fixedly connected with a noise reduction column, the noise reduction column penetrates through the noise reduction plate and extends to the outside of the noise reduction plate, the inner wall of the noise reduction column is fixedly connected with a sound absorption wedge, one side surface of the noise reduction column is fixedly connected with a sound absorber, the inner wall of the sound absorber is fixedly connected with a damping sheet, the inner wall of the noise reduction box is fixedly connected with a sponge plate, the surface of the sponge plate is provided with a through hole, the inner wall of the noise reduction box is positioned at one end of the sponge plate and is fixedly connected with a connecting plate, one side surface of the connecting plate is fixedly connected with a wavy body, one end of the noise reduction box is provided with a through groove penetrating through the machine room main body, the inner side of the machine room main body is provided with a noise reduction wall, two ends of the inner side of the machine room main body are provided with noise reduction supports, each noise reduction support mainly comprises a supporting leg and a supporting plate, the upper end of each supporting plate is provided with a plurality of heat dissipation noise reduction holes, the heat dissipation noise reduction holes penetrate through the supporting plates, a first noise absorption layer is pasted on the inner side walls of the heat dissipation noise reduction holes, sound absorption coating is smeared on the inner walls of the noise reduction boxes, the noise reduction supports are arranged in the machine room main body and are at proper heights with the ground, so that the placed machine room is prevented from being damped, the traditional mode that the machine room is stored under the ground is replaced, people can conveniently maintain and check the machine room equipment, the heat dissipation noise reduction holes are formed in the supporting plates of the noise reduction supports, and when the machine room equipment is placed on the noise reduction supports, the heat and noise generated by the machine room can be absorbed by the heat dissipation noise reduction holes, the equipment in the machine room is in a good state, and the service life of the equipment in the machine room is prolonged.
As an optimization of the utility model, the amortization wall body mainly comprises muddy dirt layer, enhancement layer, abatvoix, acoustic celotex board and cavity layer, the acoustic celotex board is located the both sides of acoustic celotex board.
As an optimization of the utility model, the heat dissipation bloop is the drum structure, and the interval of adjacent heat dissipation bloop is the same.
As an optimization of the utility model, the quantity of through-hole is six, the through-hole is from last to arranging down equidistance in proper order.
As an optimization of the utility model, the quantity of sound-absorbing wedge is six, two combinations of sound-absorbing wedge are arranged equidistantly from a left side to the right side in proper order.
As an optimization of the utility model, the enhancement layer is located the both sides of abatvoix, mix the soil layer and be located the both sides of enhancement layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. be equipped with abatvoix, acoustic celotex board and hollow layer in the amortization wall body, the computer lab has good sound and syllable-dividing effect of inhaling, avoids the noise that computer lab equipment produced to indoor formation noise pollution, prevents that people from receiving the interference of noise.
2. Be equipped with the amortization support in the computer lab main part to amortization support is in suitable height with ground, makes the computer lab of placing avoid weing, has replaced traditional computer lab and has left the mode in the underfloor, and the people of being convenient for are equipped with the heat dissipation bloop in the backup pad of amortization support, and when computer lab equipment was placed on the sound support, the heat and the noise absorption that the heat dissipation bloop produced the computer lab can be fallen, makes computer lab equipment be in good state, prolongs the life of computer lab equipment.
3. Through the noise reduction post, the cooperation of sound absorption wedge and damping fin can carry out preliminary absorption noise reduction to the noise in the computer lab, then through the sponge board, the further noise reduction of noise that produces in the computer lab can be to the cooperation of connecting plate and wave body, with the reduction of noise maximize, can improve worker's work comfort level, improves the efficiency of work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the sectional structure of the middle silencing wall of the present invention;
fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.
In the figure: 1. a machine room main body; 2. an empty groove; 3. a noise reduction box; 4. a noise reduction column; 5. a sound-absorbing wedge; 6. a sound absorber; 7. a damping fin; 8. a sponge plate; 9. a through hole; 10. a connecting plate; 11. a wave-shaped body; 12. a noise reduction plate; 13. a through groove; 14. connecting holes; 15. a sound absorbing coating; 16. a sound attenuation wall body; 17. a sound deadening support; 18. a support leg; 19. a support plate; 20. a silencing hole; 21. a first sound absorbing layer; 22. a reinforcing layer; 23. a sound-absorbing panel; 24. a sound insulating board; 25. a hollow layer; 26. and (5) mixing a mud soil layer.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a noise elimination and reduction device for a machine room comprises a machine room main body 1, wherein one end of the machine room main body 1 is fixedly connected with a noise reduction plate 12, one side of the machine room main body 1 is provided with a hollow groove 2, the inner wall of the hollow groove 2 is fixedly connected with a noise reduction box 3, one side of the noise reduction box 3 is symmetrically provided with two connecting holes 14, one side surface of the noise reduction box 3 corresponding to the two connecting holes 14 is fixedly connected with a noise reduction column 4, the noise reduction column 4 penetrates through the noise reduction plate 12 and extends to the outside of the noise reduction plate 12, the inner wall of the noise reduction column 4 is fixedly connected with a sound absorption wedge 5, one side surface of the noise reduction column 4 is fixedly connected with a sound absorber 6, the inner wall of the sound absorber 6 is fixedly connected with a damping sheet 7, the inner wall of the noise reduction box 3 is fixedly connected with a sponge plate 8, the surface of the sponge plate 8 is provided with a through hole 9, the inner wall of the noise reduction box 3 is positioned at one end of the sponge plate 8 and is fixedly connected with a connecting plate 10, and one side surface of the connecting plate 10 is fixedly connected with a wavy body 11, one end of the noise reduction box 3 is provided with a through groove 13 penetrating through the machine room main body 1, the inner side of the machine room main body 1 is provided with a noise reduction wall 16, two ends of the inner side of the machine room main body 1 are provided with noise reduction supports 17, each noise reduction support 17 mainly comprises a support leg 18 and a support plate 19, the upper end of each support plate 19 is provided with a plurality of heat dissipation noise reduction holes 20, each heat dissipation noise reduction hole 20 penetrates through each support plate 19, a first noise absorption layer 21 is pasted on the inner side wall of each heat dissipation noise reduction hole 20, the inner wall of the noise reduction box 3 is coated with a sound absorption coating 15, the noise reduction supports 17 are arranged in the machine room main body 1, and the noise reduction supports 17 and the ground are at proper heights, so that the placed machine room is prevented from being damped, the traditional mode that the machine room is stored under the ground is replaced, the maintenance and the inspection of machine room equipment by people are facilitated, the heat dissipation noise reduction holes 20 are arranged on the support 17, the heat dissipation sound-absorbing holes 20 can absorb heat and noise generated by the machine room, so that the machine room equipment is in a good state, and the service life of the machine room equipment is prolonged.
In the embodiment of the utility model, the right side of the machine room body 1 is fixedly connected with a noise reduction plate 12, the right side of the machine room body 1 is provided with a hollow groove 2, the inner wall of the hollow groove 2 is fixedly connected with a noise reduction box 3, the inner wall of the noise reduction box 3 is coated with a sound absorption coating 15, which is also called sound absorption spraying, which means that biological fiber, mineral fiber and the like are adopted as main raw materials to be combined with other fire retardants, moisture-proof agents, enzyme corrosion-proof agents and the like, and the biological fiber and the mineral fiber are sprayed out together with adhesive through professional machinery to be attached to inner roofs and walls, and the biological fiber and the adhesive are provided with porous cotton-shaped coating materials, so as to further improve the noise reduction effect, the right side of the noise reduction box 3 is symmetrically provided with two connecting holes 14, the noise reduction column 4 is fixedly connected to the positions of the two connecting holes 14 corresponding to the right side of the noise reduction box 3, the noise reduction column 4 penetrates through the noise reduction plate 12 and extends to the outside of the noise reduction plate 12, the inner walls of the two noise reduction columns 4 are fixedly connected with wedges 5, the sound absorption wedge 5 is a special sound absorption structure for a sound absorption chamber, which can be generally divided into a tip part and a base part, the acoustic characteristic of the wedge is usually expressed by a sound pressure reflection coefficient, the sound absorption wedge 5 is gradually changed by using special impedance, the end surface characteristic impedance of the wedge is close to the characteristic impedance of air, and gradually transits to the characteristic impedance close to a sound absorption material, so as to achieve the highest sound absorption effect, the number of the sound absorption wedges 5 is six, the six sound absorption wedges 5 are combined in pairs and sequentially arranged from left to right at equal intervals, so as to improve the noise reduction effect, the right side surface of the noise reduction column 4 is fixedly connected with a sound absorber 6, the inner wall of the sound absorber 6 is fixedly connected with a damping sheet 7, the damping sheet 7 is also called as daub or a damping block, a viscoelastic material on the surface is tightly attached to the wall of a steel plate, mainly for reducing noise and vibration, namely playing a damping role, the inner wall of the noise reduction box 3 is fixedly connected with a sponge plate 8, the surface of the sponge plate 8 is provided with through holes 9, the number of the through holes 9 is six, the six through holes 9 are sequentially arranged at equal intervals from top to bottom, the noise is better absorbed, the inner wall of the noise reduction box 3 is positioned on the left side of the sponge plate 8 and is fixedly connected with a connecting plate 10, the right side surface of the connecting plate 10 is fixedly connected with a wave body 11, the noise is better reduced, the left side of the noise reduction box 3 is provided with a through groove 13 penetrating through the machine room main body 1, the width of the through groove 13 is equal to the sum of the widths of the two connecting holes 14, the noise is better absorbed, the noise in the machine room can be preliminarily absorbed and reduced through the matching of the noise reduction column 4, the sound absorption wedges 5 and the damping sheets 7, then the sponge plate 8, the connecting plate 10 and the wave body 11 can further reduce the noise generated in the machine room, the maximum noise is reduced, and the work comfort level of workers and people can be improved, the efficiency of work is improved.
Specifically, referring to fig. 3, the sound-absorbing wall 16 mainly includes a muddy soil layer 26, a reinforcing layer 22, sound-absorbing boards 23, sound-insulating boards 24 and a hollow layer 25, wherein the sound-insulating boards 24 are located on two sides of the hollow layer 25, and the sound-absorbing boards 23 are located on two sides of the sound-insulating boards 24.
In this embodiment: the silencing wall 16 mainly comprises a mud mixing layer 26, a reinforcing layer 22, sound-absorbing boards 23, sound-insulating boards 24 and a hollow layer 25, wherein the sound-insulating boards 24 are positioned on two sides of the hollow layer 25, the sound-absorbing boards 23 are positioned on two sides of the sound-insulating boards 24, the reinforcing layer 22 is positioned on two sides of the sound-absorbing boards 23, and the mud mixing layer 26 is positioned on two sides of the reinforcing layer 22, so that the machine room has good sound-absorbing and sound-insulating effects.
Specifically, referring to fig. 2, the heat dissipation muffling holes 20 are cylindrical structures, and the distances between adjacent heat dissipation muffling holes 20 are the same.
In this embodiment: the heat dissipation muffling holes 20 are of a cylindrical structure, the distance between every two adjacent heat dissipation muffling holes 20 is the same, and the heat and noise generated by the machine room can be absorbed by the heat dissipation muffling holes 20, so that the machine room equipment is in a good state, and the service life of the machine room equipment is prolonged.
Specifically, referring to fig. 2, the number of the through holes 9 is six, and the through holes 9 are sequentially arranged at equal intervals from top to bottom.
In this embodiment: the number of the through holes 9 is six, and the six through holes 9 are sequentially arranged at equal intervals from top to bottom, so that noise is better absorbed.
Specifically, referring to fig. 2, the number of the wedges 5 is six, and two combinations of the wedges 5 are arranged in sequence from left to right at equal intervals.
In this embodiment: the number of the sound-absorbing wedges 5 is six, and every two of the six sound-absorbing wedges 5 are combined and sequentially arranged at equal intervals from left to right, so that the noise reduction effect is improved.
Specifically, referring to fig. 2, the reinforcing layers 22 are disposed on both sides of the sound-absorbing plate 23, and the muddy soil layers 26 are disposed on both sides of the reinforcing layers 22.
In this embodiment: mix mud layer 26, enhancement layer 22, abatvoix 23, acoustic celotex board 24 and cavity 25 and bond through gluing between adjacent, avoid the noise that computer lab equipment produced to indoor formation noise pollution, prevent that people from receiving the interference of noise.
The utility model discloses a theory of operation and use flow: when the machine room noise reduction device is used, the right side surface of the machine room main body 1 is fixedly connected with the noise reduction plate 12, the right side surface of the machine room main body 1 is provided with the empty slot 2, the inner wall of the empty slot 2 is fixedly connected with the noise reduction box 3, the inner wall of the noise reduction box 3 is coated with the sound absorption coating 15, the noise in the machine room can be preliminarily absorbed and reduced through the matching of the noise reduction column 4, the sound absorption wedges 5 and the damping sheets 7, then the noise generated in the machine room can be further reduced through the matching of the sponge plate 8, the connecting plate 10 and the wave body 11, the noise is maximally reduced, the working comfort level of workers and people can be improved, the working efficiency is improved, the noise reduction support 17 is arranged in the machine room main body 1, the noise reduction support 17 and the ground are at a proper height, the placed machine room is prevented from being affected with damp, the traditional mode of storing the machine room under the ground is replaced, and the maintenance and the inspection of the equipment of the workers are facilitated, be equipped with heat dissipation bloop 20 on the backup pad 19 of amortization support 17, when computer lab equipment was placed on amortization support 17, heat and the noise that the computer lab produced can be absorbed to heat dissipation bloop 20, make computer lab equipment be in good state, prolong the life of computer lab equipment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a device of making an uproar falls in noise elimination for computer lab which characterized in that: the noise reduction device comprises a machine room main body (1), wherein one end of the machine room main body (1) is fixedly connected with a noise reduction plate (12), one side of the machine room main body (1) is provided with a hollow groove (2), the inner wall of the hollow groove (2) is fixedly connected with a noise reduction box (3), one side of the noise reduction box (3) is symmetrically provided with two connecting holes (14), one side surface of the noise reduction box (3) corresponding to the two connecting holes (14) is fixedly connected with a noise reduction column (4), the noise reduction column (4) penetrates through the noise reduction plate (12) and extends to the outer side of the noise reduction plate (12), the inner wall of the noise reduction column (4) is fixedly connected with a sound absorption wedge (5), one side surface of the noise reduction column (4) is fixedly connected with a sound absorber (6), the inner wall of the sound absorber (6) is fixedly connected with a damping sheet (7), and the inner wall of the noise reduction box (3) is fixedly connected with a sponge plate (8), the surface of the sponge plate (8) is provided with a through hole (9), the inner wall of the noise reduction box (3) is fixedly connected with a connecting plate (10) at one end of the sponge plate (8), one side surface of the connecting plate (10) is fixedly connected with a wavy body (11), one end of the noise reduction box (3) is provided with a through groove (13) penetrating through the machine room main body (1), a silencing wall body (16) is arranged on the inner side of the machine room main body (1), silencing brackets (17) are arranged at two ends of the inner side of the machine room main body (1), the silencing support (17) mainly comprises supporting legs (18) and a supporting plate (19), the upper end of the supporting plate (19) is provided with a plurality of heat dissipation and sound deadening holes (20), the heat dissipation sound-deadening holes (20) penetrate through the supporting plate (19), the inner side wall of each heat dissipation sound-deadening hole (20) is pasted with a first sound-absorbing layer (21), and the inner wall of the noise reduction box (3) is coated with sound-absorbing paint (15).
2. The noise elimination and reduction device for the machine room according to claim 1, characterized in that: the noise reduction wall body (16) mainly comprises a mud mixing layer (26), a reinforcing layer (22), an acoustic board (23), an acoustic board (24) and a hollow layer (25), wherein the acoustic board (24) is located on two sides of the hollow layer (25), and the acoustic board (23) is located on two sides of the acoustic board (24).
3. The noise elimination and reduction device for the machine room according to claim 1, characterized in that: the heat dissipation sound-deadening holes (20) are of a cylindrical structure, and the distances between the adjacent heat dissipation sound-deadening holes (20) are the same.
4. The noise elimination and reduction device for the machine room according to claim 1, characterized in that: the number of the through holes (9) is six, and the through holes (9) are sequentially arranged at equal intervals from top to bottom.
5. The noise elimination and reduction device for the machine room according to claim 1, characterized in that: the number of the sound-absorbing wedges (5) is six, and two combinations of the sound-absorbing wedges (5) are sequentially arranged at equal intervals from left to right.
6. The noise elimination and reduction device for the machine room according to claim 2, characterized in that: the reinforced layers (22) are positioned on two sides of the sound-absorbing plate (23), and the mud-mixing layers (26) are positioned on two sides of the reinforced layers (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717106.9U CN215166726U (en) | 2021-04-09 | 2021-04-09 | Noise elimination and reduction device for machine room |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717106.9U CN215166726U (en) | 2021-04-09 | 2021-04-09 | Noise elimination and reduction device for machine room |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215166726U true CN215166726U (en) | 2021-12-14 |
Family
ID=79359828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120717106.9U Active CN215166726U (en) | 2021-04-09 | 2021-04-09 | Noise elimination and reduction device for machine room |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215166726U (en) |
-
2021
- 2021-04-09 CN CN202120717106.9U patent/CN215166726U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215166726U (en) | Noise elimination and reduction device for machine room | |
CN213390959U (en) | High-strength sound insulation board for architectural decoration | |
CN214424144U (en) | Noise reduction room for concrete sleeper production | |
CN212689748U (en) | Noise-reducing protective baffle for urban construction | |
CN210566022U (en) | Water motor with silencing mechanism for high-pressure water mist dust fall | |
CN205857474U (en) | A kind of energy saving building curtain wall absorbed sound | |
CN206368454U (en) | A kind of factory building fire-retardant heat insulation noise reduction wall | |
CN220980224U (en) | Vibration reduction mounting structure | |
CN112360093A (en) | Assembled shock attenuation ceramic tile mounting structure | |
CN219327215U (en) | Sound insulation decorative curtain wall | |
CN218205197U (en) | Flame-retardant sound insulation wallboard for green house building | |
CN216475853U (en) | Sound-absorbing wooden wallboard for vocal music art classroom | |
CN219622571U (en) | Hollow heat-insulating glass capable of insulating sound | |
CN210759546U (en) | Sound-insulation medium-density fiberboard | |
CN211949020U (en) | Sound insulation wall for constructional engineering | |
CN217420063U (en) | Sound insulation and noise reduction device for building | |
CN219386774U (en) | Novel building sound insulation curtain wall | |
CN211666810U (en) | Diesel generating set falls safety cover of making an uproar | |
CN214220451U (en) | Assembled shock attenuation ceramic tile mounting structure | |
CN210622020U (en) | Vibration-damping light steel keel with high sound insulation capacity | |
CN213115147U (en) | Prefabricated house bottom plate with silence bradyseism effect | |
CN210881143U (en) | Integrated sewage treatment equipment manufacturing plate | |
CN221702818U (en) | Light steel joist sound insulation wall structure | |
CN219411388U (en) | Sound insulation and noise reduction structure of indoor wall | |
CN215803033U (en) | Noise reduction type building construction platform device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |