CN220486790U - Composite sound insulation wall structure of adjacent rooms of elevator well - Google Patents
Composite sound insulation wall structure of adjacent rooms of elevator well Download PDFInfo
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- CN220486790U CN220486790U CN202420027925.4U CN202420027925U CN220486790U CN 220486790 U CN220486790 U CN 220486790U CN 202420027925 U CN202420027925 U CN 202420027925U CN 220486790 U CN220486790 U CN 220486790U
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- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 52
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the technical field of building sound insulation, in particular to a composite sound insulation wall structure of adjacent rooms of an elevator shaft, which is formed by compositing an acrylic acid elastic sound insulation layer and a calcium silicate board layer together, wherein the composite sound insulation wall structure is anchored to a base layer wall of the adjacent rooms of the elevator shaft through expansion bolts, and the acrylic acid elastic sound insulation layer realizes bridge-cut-off treatment of the wall surface; the bottom sound insulation structure is used for realizing bridge-cutoff treatment on the ground; the top sound insulation structure is used for realizing bridge-cutoff treatment on the ceiling; the three-side sound-breaking bridge treatment can be realized, the sound transmission of the structure can be effectively isolated, and the elevator noise isolation effect is good; and need not to adopt fossil fragments structural support, the construction is more simple and convenient, and makes compound sound insulation wall body structure can be made thinner than the thickness of traditional light gauge steel wall body, reduces the space to the adjacent room of elevator well and occupies, and does not have the air interlayer of traditional light gauge steel wall body, does not have the empty feel when checking the room and beats, and it is better to examine the room experience.
Description
Technical Field
The utility model relates to the technical field of building sound insulation, in particular to a composite sound insulation wall structure of adjacent rooms of an elevator hoistway.
Background
The elevator is a very prominent internal noise source in buildings such as houses, hotels and hospitals at present, low-frequency noise generated by the elevator is transmitted to an indoor space through walls, beams and floors, and the elevator becomes a large pollution source which disturbs work and rest of users, and is social life noise with more complaints at present. The noise generated by the elevator includes three main machine noise, electrical noise and mechanical noise, wherein the noise generated by friction between a traction machine, main machine components such as a brake and a wire rope and a wheel groove is the most serious. On the one hand, the sound insulation and vibration reduction treatment can be carried out at the sound source for reducing the elevator noise, and the sound insulation and vibration reduction treatment comprises the treatment methods of vibration reduction of a main machine, adding a follow current plate to a brake, reducing the elevator running speed, fastening an elevator connecting bolt, reducing friction and the like; on the other hand, sound insulation treatment is carried out on the affected objects, such as sound insulation walls are arranged in the elevator well and adjacent rooms of the elevator well.
The existing sound insulation wall is a light steel keel wall with bridge-cut-off treatment (sound insulation pad) at the joint, and the method can effectively isolate structural sound transmission and air sound. However, when the problem of sound insulation is solved, two problems exist, namely, the structure is complex, the light steel joist, the wall surface, the ground and the ceiling are subjected to bridge cutoff treatment, an air interlayer of 20mm is required to be ensured with the wall surface, the main bearing is close to the light steel joist, the whole structure thickness reaches more than 120mm, and the indoor space is seriously occupied; secondly, the house inspection experience is poor, and the light steel joist wall body has a hollowing feel when the house inspection is knocked, so that resident complaints are led. In order to solve the two problems, the utility model develops a novel composite sound insulation wall structure, and has the characteristics of excellent sound insulation performance, effective indoor space saving and convenient installation.
Disclosure of Invention
The utility model aims at: the method can effectively isolate sound transmission and air sound of the structure, has the main bearing function, and has the advantages that the thickness of the whole structure is more than 120mm, the indoor space is seriously occupied, and the problem of empty feeling exists when a laboratory is hit, so that the composite sound insulation wall structure of the adjacent rooms of the elevator hoistway is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the composite sound insulation wall structure comprises an acrylic acid elastic sound insulation layer and a calcium silicate board layer, wherein the acrylic acid elastic sound insulation layer and the calcium silicate board layer are anchored to a base layer wall of an adjacent room of an elevator hoistway through expansion bolts, and the calcium silicate board layer is positioned on one side, away from the base layer wall, of the acrylic acid elastic sound insulation layer;
the bottom sound insulation structure is arranged at the bottom side of the composite sound insulation wall structure and is positioned between the composite sound insulation wall structure and a base floor slab of a room adjacent to the elevator shaft;
the top side of the composite sound insulation wall structure is provided with a top sound insulation structure, and the top sound insulation structure is positioned between the composite sound insulation wall structure and a top floor slab of a room adjacent to the elevator shaft.
In the scheme, the acrylic acid elastic sound insulation material adopted by the acrylic acid elastic sound insulation layer is of the prior art, has the sound insulation capacity and the bonding performance, and can be compounded with the calcium silicate board layer.
According to the composite sound insulation wall structure of the adjacent room of the elevator hoistway, the acrylic acid elastic sound insulation layer and the calcium silicate board layer are compounded together to form the composite sound insulation wall structure, and then the acrylic acid elastic sound insulation layer and the calcium silicate board layer which are compounded together are integrally anchored on the base layer wall of the adjacent room of the elevator hoistway through expansion bolts, wherein the calcium silicate board layer is used for protecting the acrylic acid elastic sound insulation layer and preventing the acrylic acid elastic sound insulation layer from being damaged; the acrylic elastic sound insulation layer realizes bridge-cut-off treatment on the wall surface; the bottom sound insulation structure is positioned between the composite sound insulation wall structure and a basic floor slab of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on the ground; the top sound insulation structure is positioned between the composite sound insulation wall structure and a top floor slab of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on a ceiling; the three-side sound-breaking bridge treatment can be realized, the sound transmission of the structure is effectively isolated, the sound insulation performance is outstanding, and the elevator noise isolation effect is good; and need not to adopt fossil fragments structural support, the construction is more simple and convenient, and makes compound sound insulation wall body structure can be made thinner than the thickness of traditional light gauge steel wall body, reduces the space to the adjacent room of elevator well and occupies, and does not have the air interlayer of traditional light gauge steel wall body, does not have the empty feel when checking the room and beats, and it is better to examine the room experience. And the acrylic acid elastic sound insulation layer is compounded with the calcium silicate board layer, so that the on-site wet operation procedures are reduced, the construction efficiency is improved, and the flatness of the wall structure and the construction quality of the wall are ensured.
Preferably, the bottom sound insulation structure comprises an acrylic acid elastic sound insulation layer bottom side, the acrylic acid elastic sound insulation layer bottom side is flush with the top surface of the base floor slab, the bottom side of the calcium silicate board layer is flush with the top surface of the floating floor slab of the adjacent room of the elevator shaft, and the acrylic acid elastic sound insulation layer is positioned between the base wall body and the floating floor slab.
The floating floor slab is arranged on the base floor slab and has the sound insulation function; through with acrylic acid elasticity sound insulation layer downside parallel and level basic unit's floor, the adjacent room of calcium silicate board layer downside parallel and level elevator well float building floor top surface, and then make can utilize acrylic acid elasticity sound insulation layer and float building floor to realize the bridge cut-off processing to ground, this kind of structure need not to set up the sound insulation pad alone in the bottom, and construction convenience, and the sound insulation is effectual.
Preferably, the top sound insulation structure comprises a sound insulation pad, the sound insulation pad is positioned between the composite sound insulation wall structure and a top floor slab of a room adjacent to the elevator shaft, and bridge cut-off treatment on the ceiling is realized through the sound insulation pad.
Preferably, the top side of the acrylic acid elastic sound insulation layer is aligned with the bottom surface of the top floor slab, the sound insulation pad is positioned between the top side of the calcium silicate board layer and the top floor slab, sound insulation is carried out on corners of the top floor slab and a base layer wall body, the sound insulation effect is better, and the installation of the sound insulation pad is convenient.
Preferably, the sound insulation pad is an acrylic sound insulation pad, and the same material as the acrylic elastic sound insulation layer is adopted, so that flanging treatment can be carried out on the ceiling, and the sound insulation effect is better.
Preferably, the outer side of the acrylic acid sound insulation pad is filled with sealant, and the outer side of the sealant is sealed through a seam tape to seal and protect the acrylic acid sound insulation pad.
Preferably, the composite sound insulation wall structure comprises a plurality of composite sound insulation plates, and the composite sound insulation plates are fixed with the base layer wall body through expansion bolts, so that the composite sound insulation wall structure is convenient to install.
Preferably, acrylic sound insulation emulsion is arranged between adjacent composite sound insulation plates for pointing, and the gaps between the adjacent composite sound insulation plates are bonded and insulated.
Preferably, the thickness of the acrylic elastic sound insulation layer is 5mm-8mm, the volume weight of the acrylic elastic sound insulation layer is more than 200kg/m & lt/m & gt, the compressive strength of the acrylic elastic sound insulation layer is more than 0.15MPa, and the compressive creep of the acrylic elastic sound insulation layer is less than or equal to 0.005MPa;
the thickness of the calcium silicate board layer is 15mm-20mm, and the density of the calcium silicate board layer is more than 1200 kg/m.
The sound insulation effect can be ensured, the installation is stable, and the service life of the composite sound insulation wall structure is ensured.
Preferably, a repairing structure formed by polymer cement mortar or gypsum putty is arranged between the acrylic elastic sound insulation layer and the base layer wall body, and the repairing structure is positioned on the base layer wall body, so that the base layer wall body is smoother, a composite sound insulation wall body structure is better constructed, and the installation stability is improved.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the composite sound insulation wall structure of the adjacent room of the elevator shaft, the composite sound insulation wall structure is adopted, the acrylic acid elastic sound insulation layer and the calcium silicate board layer are compounded together to form the composite sound insulation wall structure, then the acrylic acid elastic sound insulation layer and the calcium silicate board layer which are compounded together are integrally anchored on the base layer wall of the adjacent room of the elevator shaft through expansion bolts, and the calcium silicate board layer is used for protecting the acrylic acid elastic sound insulation layer and preventing the acrylic acid elastic sound insulation layer from being damaged; the acrylic elastic sound insulation layer realizes bridge-cut-off treatment on the wall surface; the bottom sound insulation structure is positioned between the composite sound insulation wall structure and a basic floor slab of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on the ground; the top sound insulation structure is positioned between the composite sound insulation wall structure and a top floor slab of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on a ceiling; the three-side sound-breaking bridge treatment can be realized, the sound transmission of the structure is effectively isolated, the sound insulation performance is outstanding, and the elevator noise isolation effect is good; and need not to adopt fossil fragments structural support, the construction is more simple and convenient, and makes compound sound insulation wall body structure can be made thinner than the thickness of traditional light gauge steel wall body, reduces the space to the adjacent room of elevator well and occupies, and does not have the air interlayer of traditional light gauge steel wall body, does not have the empty feel when checking the room and beats, and it is better to examine the room experience. And the acrylic acid elastic sound insulation layer is compounded with the calcium silicate board layer, so that the on-site wet operation procedures are reduced, the construction efficiency is improved, and the flatness of the wall structure and the construction quality of the wall are ensured.
2. According to the composite sound insulation wall structure of the adjacent rooms of the elevator hoistway, the sound insulation performance is outstanding, and the sound insulation index Rw of the wall reaches 59dB. The sound insulation quantity exceeds 40dB at low frequency 50-200 Hz; the noise isolation effect of the elevator is good, and the actual measurement effective noise reduction amount reaches 5dB.
3. According to the composite sound insulation wall structure for the adjacent rooms of the elevator shaft, the thickness of the composite sound insulation wall structure can be only 20-28mm, and compared with the thickness of a conventional structure, the thickness of the composite sound insulation wall structure is 120mm, so that the indoor space is greatly saved.
Drawings
Fig. 1 is a schematic structural view of a composite sound insulation wall construction of adjacent rooms of an elevator hoistway of the present utility model;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at circle A;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at circle B;
FIG. 4 is a schematic block diagram of a calcium silicate board layer;
FIG. 5 is a schematic diagram of the noise reduction effect of the composite sound insulation wall structure.
Icon: 1-a base layer wall body; 2-a composite sound insulation wall structure; 21-an acrylic elastic sound insulation layer; a layer of 22-calcium silicate; 221-calcium silicate board; 3-expansion bolts; 4-acrylic sound insulation mat; 5-sealing glue; 6-joint adhesive tape; 7-floating floor slab; 8-acrylic acid sound insulation emulsion pointing; 9-a base floor slab; 10-roof floor slab.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The embodiment provides a composite sound insulation wall structure of an adjacent room of an elevator hoistway, referring to fig. 1, the composite sound insulation wall structure 2 comprises an acrylic elastic sound insulation layer 21 and a calcium silicate board layer 22, the acrylic elastic sound insulation layer 21 and the calcium silicate board layer 22 are anchored to a base layer wall 1 of the adjacent room of the elevator hoistway through expansion bolts 3, and the calcium silicate board layer 22 is positioned on one side of the acrylic elastic sound insulation layer 21 away from the base layer wall 1, namely, the acrylic elastic sound insulation layer 21 is positioned between the calcium silicate board layer 22 and the base layer wall 1;
the bottom side of the composite sound insulation wall body structure 2 is provided with a bottom sound insulation structure, and the bottom sound insulation structure is positioned between the composite sound insulation wall body structure 2 and a base floor 9 of a room adjacent to an elevator shaft;
the top side of the composite sound insulation wall body structure 2 is provided with a top sound insulation structure, and the top sound insulation structure is positioned between the composite sound insulation wall body structure 2 and a top floor slab 10 of a room adjacent to an elevator shaft.
In this scheme, basic unit wall body 1, basic unit floor 9 and top floor 10 correspond the wall, ground and the ceiling of the adjacent room of elevator well respectively, and the adjacent room of elevator well and the relation of elevator well are as shown in fig. 1. The base layer wall body 1 is an elevator shaft wall body, is a reinforced concrete shear wall with the thickness of 200mm, and is preferably cleaned firstly when the composite sound insulation wall body structure 2 is installed, dust is removed, the composite sound insulation wall body structure 2 is formed by repairing polymer cement mortar or gypsum putty, and the repairing structure is positioned on the base layer wall body 1, so that the base layer wall body 1 is smoother, the composite sound insulation wall body structure 2 is better constructed, and the installation stability is improved.
In this scheme, the acrylic elastic sound insulation material adopted by the acrylic elastic sound insulation layer 21 is the prior art, and has the sound insulation capability and the bonding performance, and can be compounded with the calcium silicate board layer 22. Specifically, the acrylic elastic sound insulation layer 21 is formed by compounding cement, sand, an additive and the like with high-elasticity emulsion as a cementing material, has an elastic material for isolating structural sound transmission, has adhesive property, and can be compounded with the calcium silicate board layer 22.
As a preferred embodiment, the thickness of the acrylic elastic sound insulation layer 21 is 5mm-8mm, the volume weight of the acrylic elastic sound insulation layer 21 is more than 200kg/m, the compressive strength of the acrylic elastic sound insulation layer 21 is more than 0.15MPa, and the compressive creep of the acrylic elastic sound insulation layer 21 is less than or equal to 0.005MPa; the thickness of the calcium silicate board layer 22 is 15mm-20mm, the density of the calcium silicate board layer 22 is more than 1200kg/m, the sound insulation effect and the installation stability can be ensured, the service life of the composite sound insulation wall structure 2 is ensured, the thickness is only 20mm-28mm, and compared with the thickness of a conventional structure, the indoor space is greatly saved.
In this embodiment, as shown in fig. 4, the composite sound insulation wall structure 2 includes a plurality of composite sound insulation boards, and the composite sound insulation boards are fixed with the base wall 1 by the expansion bolts 3, so as to be convenient for installation. Correspondingly, the calcium silicate board layer 22 comprises a plurality of calcium silicate boards 221, the composite sound insulation board comprises the calcium silicate boards 221, and the size of the single calcium silicate board 221 is generally 1200 x 2400mm. An acrylic sound insulation emulsion pointing joint 8 is arranged between the adjacent composite sound insulation plates, and the gaps between the adjacent composite sound insulation plates are bonded and insulated; namely, the acrylic sound insulation emulsion pointing joint 8 is arranged between the adjacent calcium silicate boards 221, and the joint between the adjacent calcium silicate boards 221 is bonded and insulated. As shown in fig. 2, the composite sound insulation wall structure 2 is divided into a plurality of composite sound insulation plates, each composite sound insulation plate comprises a composite acrylic elastic sound insulation material and a calcium silicate plate 221, and gaps between adjacent composite sound insulation plates are stitched by acrylic sound insulation emulsion. The expansion bolts 3 penetrate through the calcium silicate plates 221 and the acrylic elastic sound insulation material and then are anchored to the base layer wall body 1, wherein the expansion bolts 3 can be combined with the composite sound insulation plate to form an integral structure, and the sound transmission capacity caused by penetrating holes of the expansion bolts 3 can be reduced.
According to the composite sound insulation wall structure of the adjacent room of the elevator shaft, the composite sound insulation wall structure 2 is adopted, the acrylic acid elastic sound insulation layer and the calcium silicate board layer are compounded together to form the composite sound insulation wall structure, then the acrylic acid elastic sound insulation layer 21 and the calcium silicate board layer 22 which are compounded together are integrally anchored on the base layer wall 1 of the adjacent room of the elevator shaft through the expansion bolts 3, and the calcium silicate board layer 22 is used for protecting the acrylic acid elastic sound insulation layer 21 and preventing the acrylic acid elastic sound insulation layer 21 from being damaged; the acrylic elastic sound insulation layer 21 realizes bridge-cut-off treatment on the wall surface; the bottom sound insulation structure is positioned between the composite sound insulation wall structure 2 and a base floor 9 of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on the ground; the top sound insulation structure is positioned between the composite sound insulation wall structure 2 and a top floor slab 10 of a room adjacent to the elevator shaft and is used for realizing bridge-cutoff treatment on a ceiling; the three-side sound-breaking bridge treatment can be realized, the sound transmission of the structure is effectively isolated, the sound insulation performance is outstanding, and the elevator noise isolation effect is good; and need not to adopt fossil fragments structural support, the construction is more simple and convenient, and makes compound sound insulation wall body structure 2 can be made thinner than the thickness of traditional light gauge steel wall body, reduces the space occupation to the adjacent room of elevator well, and does not have the air interlayer of traditional light gauge steel wall body, does not have the hollowness when checking the room and beats, and it is better to examine the room experience.
As a preferred embodiment, as shown in fig. 1 and 2, the top sound insulation structure comprises a sound insulation pad, the sound insulation pad is located between the composite sound insulation wall structure 2 and a top floor slab 10 of a room adjacent to the elevator shaft, and bridge-cutoff treatment on the ceiling is achieved through the sound insulation pad. More preferably, the top side of the acrylic acid elastic sound insulation layer 21 is aligned with the bottom surface of the top floor slab 10, the sound insulation pad is positioned between the top side of the calcium silicate board layer 22 and the top floor slab 10, sound insulation is carried out on the corners of the top floor slab 10 and the base layer wall body 1, the sound insulation effect is better, and the installation of the sound insulation pad is convenient. In this embodiment, the sound insulation pad is an acrylic sound insulation pad 4, and the same material as the acrylic elastic sound insulation layer 21 is adopted, so that flanging treatment can be performed on the ceiling, and the sound insulation effect is better. As shown in fig. 2, the outside of the acrylic sound insulation pad 4 is filled with a sealant 5, and the outside of the sealant 5 is sealed by a joint adhesive tape 6 to seal and protect the acrylic sound insulation pad 4.
As a preferred embodiment, as shown in fig. 1 and 3, the bottom sound insulation structure comprises the bottom side of the acrylic elastic sound insulation layer 21, the bottom side of the acrylic elastic sound insulation layer 21 is flush with the top surface of the base floor 9, the bottom side of the calcium silicate board layer 22 is flush with the top surface of the floating floor 7 of the adjacent room of the elevator shaft, and the acrylic elastic sound insulation layer 21 is positioned between the base wall 1 and the floating floor 7. The floating floor slab 7 is arranged on the base floor slab 9, the floating floor slab 7 has the sound insulation function, and the floating floor slab 7 can be sequentially a 10mm gypsum self-leveling layer, a 3mm acrylic sound insulation bonding layer, a 35mm prefabricated modified high-strength groove heat-insulating plate, an aluminum foil soaking layer, an interface agent, 10mm bonding mortar and floor tiles from bottom to top. Through with acrylic acid elasticity sound insulation layer 21 downside parallel and level basic unit floor 9 top surface, the adjacent room of calcium silicate sheet layer 22 downside parallel and level elevator well float floor 7 top surface in, and then make can utilize acrylic acid elasticity sound insulation layer 21 and float floor 7 to realize the bridge cut-off to ground and handle, this kind of structure need not to set up the sound insulation pad alone in the bottom, and construction convenience, and the sound insulation is effectual.
In the embodiment, the composite sound insulation wall structure of the adjacent rooms of the elevator hoistway is formed by compositing an acrylic acid elastic sound insulation layer and a high-density calcium silicate board layer, wherein the acrylic acid elastic sound insulation layer 21 of the composite sound insulation wall structure 2 is arranged on a base floor, and the calcium silicate board 221 is arranged above the floating floor 7, so that the acrylic acid elastic sound insulation layer is combined with the floating floor; the ceiling is subjected to flanging treatment, so that an acrylic sound insulation pad 4 with the thickness of 5mm is padded between the top of the composite sound insulation wall structure 2 and a top floor slab, and a sealant 5 is filled and sealed by a joint adhesive tape 6; the joint of the composite sound insulation board is subjected to joint pointing treatment by using the acrylic sound insulation emulsion, so that the composite sound insulation wall structure of the adjacent room of the elevator shaft and bridge cut-off treatment of the wall surface, the ground and the ceiling are realized, as shown in figures 1-4.
The composite sound insulation wall body structure of the adjacent rooms of the elevator shaft in the embodiment can effectively isolate the influence of elevator noise, and has the following beneficial effects:
1. the sound insulation performance is outstanding, and the sound insulation index Rw of the wall reaches 59dB. The sound insulation quantity exceeds 40dB at low frequency 50-200 Hz; three-side sound-breaking bridge treatment is carried out, sound transmission of the structure is effectively isolated, and sound insulation is carried out on the connection of the sound insulation structure and the wall surface, the ground and the ceiling, so that the bridge-breaking treatment is realized; the noise isolation effect of the elevator is good, and the actual measurement effective noise reduction amount reaches 5dB.
2. The light steel joist system is not needed, and the light steel joist system can be directly installed on a structural wall body without hollowing feeling.
3. The thickness is only 20-28mm, compared with the thickness of 120mm of the conventional construction, the indoor space is greatly saved.
In this embodiment, a comparative reference is also provided, specifically as follows:
the utility model is taken as an experimental example, an untreated wall body is taken as a comparative example, and actual measurement analysis is carried out.
Experimental example: wall base layer (200 mm reinforced concrete wall), acrylic elastic sound insulation layer (5 mm, volume weight 240 kg/m, and the like), calcium silicate board (15 mm, volume weight 1200kg/m, and the like);
comparative example: the wall base layer (200 mm reinforced concrete wall) has no other structure;
experimental examples and comparative examples are located at upper and lower floors of the same building, and the indoor maximum sound pressure level in the period of time is synchronously measured by the elevator to-and-fro running for 15s, and the obtained data are shown in table 1:
table 1 elevator noise test meter
It is known that the noise reduction effect of the experimental example can reach 5dB, and the result sound transmission at low frequency has good improvement effect, and the low frequency improvement amount reaches 8-12dB, as shown in fig. 5.
The technical scheme provided by the utility model does not need to install a light steel keel, is convenient to construct, has no empty feel in an acceptance room, and can be increased by only 20mm in construction thickness, compared with 120mm increased in a conventional sound insulation structure, the indoor space is greatly saved, and the use comfort is improved.
In conclusion, the utility model solves the problem of noise interference of the elevator on the use space, and the composite sound insulation structure is formed by compositing the acrylic acid elastic sound insulation layer and the calcium silicate plate, so that the sound transmission and air transmission effects of the insulation structure are realized, the keel is not required to be installed, the construction is convenient, the cost is saved, the indoor space is saved, the material is stable and long-acting, and the utility model has good economic benefit.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The composite sound insulation wall structure of the adjacent room of the elevator hoistway is characterized in that the composite sound insulation wall structure (2) comprises an acrylic elastic sound insulation layer (21) and a calcium silicate board layer (22), the acrylic elastic sound insulation layer (21) and the calcium silicate board layer (22) are anchored to a base layer wall (1) of the adjacent room of the elevator hoistway through expansion bolts (3), and the calcium silicate board layer (22) is positioned on one side, far away from the base layer wall (1), of the acrylic elastic sound insulation layer (21);
the bottom side of the composite sound insulation wall body structure (2) is provided with a bottom sound insulation structure, and the bottom sound insulation structure is positioned between the composite sound insulation wall body structure (2) and a base floor (9) of a room adjacent to an elevator shaft;
the top side of the composite sound insulation wall body structure (2) is provided with a top sound insulation structure, and the top sound insulation structure is positioned between the composite sound insulation wall body structure (2) and a top floor (10) of a room adjacent to the elevator shaft.
2. The composite sound insulation wall construction of adjacent rooms of an elevator hoistway according to claim 1, characterized in that the bottom sound insulation construction comprises the bottom side of the acrylic elastic sound insulation layer (21), the bottom side of the acrylic elastic sound insulation layer (21) is flush with the top surface of the base floor (9), the bottom side of the calcium silicate board layer (22) is flush with the top surface of the floating floor (7) of the adjacent rooms of the elevator hoistway, and the acrylic elastic sound insulation layer (21) is located between the base wall (1) and the floating floor (7).
3. The composite sound insulation wall construction of adjacent rooms of an elevator hoistway according to claim 2, characterized in that the roof sound insulation construction comprises a sound insulation mat located between the composite sound insulation wall construction (2) and a roof floor (10) of the adjacent rooms of the elevator hoistway.
4. A composite sound insulation wall construction according to claim 3, characterized in that the top side of the acrylic elastic sound insulation layer (21) is aligned with the bottom surface of the top floor (10), the sound insulation mat being located between the top side of the calcium silicate board layer (22) and the top floor (10).
5. The composite sound insulation wall construction of adjacent rooms of an elevator hoistway according to claim 4, wherein the sound insulation mat is an acrylic sound insulation mat (4).
6. The composite sound insulation wall structure of adjacent rooms of an elevator hoistway according to claim 5, wherein the outer side of the acrylic sound insulation pad (4) is filled with sealant (5), and the outer side of the sealant (5) is sealed by a joint tape (6).
7. The composite sound insulation wall construction of adjacent rooms of an elevator hoistway according to any of claims 1-6, characterized in that the composite sound insulation wall construction (2) comprises a number of composite sound insulation panels, which are fixed with the base layer wall (1) by means of the expansion bolts (3).
8. The composite sound insulation wall construction of adjacent rooms of an elevator hoistway according to claim 7, wherein an acrylic sound insulation emulsion pointing (8) is provided between adjacent ones of the composite sound insulation panels.
9. The composite sound insulation wall structure of adjacent rooms of an elevator hoistway according to any of claims 1-6, wherein the thickness of the acrylic elastic sound insulation layer (21) is 5mm-8mm, the volume weight of the acrylic elastic sound insulation layer (21) is more than 200kg/m, the compressive strength of the acrylic elastic sound insulation layer (21) is more than 0.15MPa, and the compressive creep of the acrylic elastic sound insulation layer (21) is less than or equal to 0.005MPa;
the thickness of the calcium silicate board layer (22) is 15mm-20mm, and the density of the calcium silicate board layer (22) is more than 1200 kg/m.
10. The composite sound insulation wall construction of adjacent rooms in an elevator hoistway according to any of claims 1-6, characterized in that a repair structure formed of polymer cement mortar or gypsum putty is provided between the acrylic elastic sound insulation layer (21) and the base layer wall (1), the repair structure being located on the base layer wall (1).
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| CN202420027925.4U CN220486790U (en) | 2024-01-05 | 2024-01-05 | Composite sound insulation wall structure of adjacent rooms of elevator well |
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