CN214575086U

CN214575086U - Binary formula sound-proof wall

Info

Publication number: CN214575086U
Application number: CN202023163891.2U
Authority: CN
Inventors: 张海枫; 萧玮
Original assignee: China Craftsman Construction And Assembly Engineering Shenzhen Co ltd
Current assignee: China Craftsman Construction And Assembly Engineering Shenzhen Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-02
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a binary formula sound-proof wall, wades sound-proof wall technical field, solves that current sound-proof wall material is not environmental protection, receives environmental impact big, the sound insulation effect is poor and the technique that efficiency of construction is low is not enough, and the technical means of adoption includes: the hollow cavity layer comprises a metal frame and metal nets on the front side and the rear side, rubber pads and soundproof cotton are correspondingly arranged on the front side and the rear side of each metal net, and a gap is reserved between the two soundproof cotton to enable the interior of the metal frame to be in a hollow cavity structure; the sound insulation board layer is formed by splicing a plurality of polyphenyl particle cement sandwich composite battens. The beneficial effects of the utility model reside in that: the double-layer sound insulation plate layer is matched with the cavity layer, and triple isolation of sound waves is realized by utilizing the polyphenyl particle cement sandwich composite batten, the rubber pad and the sound insulation cotton, so that the sound insulation effect is good; meanwhile, the utility model has more environmental protection, light weight, high strength, and the advantages of moisture protection, fire protection, etc.; additionally, the utility model discloses an assembled structural design, the efficiency of construction is high.

Description

Binary formula sound-proof wall

Technical Field

The utility model relates to a sound insulation wall body technical field, more specifically relate to a binary formula sound-proof wall.

Background

The sound insulation capability of the indoor space depends on the sound insulation quantity of the wall, the wall with the air sound insulation quantity STC larger than or equal to 50dB is generally called as a sound insulation wall, and the sound insulation performance is greatly influenced by the structure and the material of the wall. The general sound insulation standard of rooms of houses and offices is 45dB, and the general sound insulation standard of five-star hotel guest rooms is more than or equal to 50 dB. Therefore, in some places with high requirements on sound insulation, such as a five-star hotel room, a multifunctional conference room, a machine room, a cinema and the like, the room must be separated from the outside by adopting a sound insulation wall body indoors, so that noise pollution is prevented from being generated outside or sound information is prevented from being leaked outside.

The traditional sound insulation wall body mostly adopts a thick brick masonry, a multi-layer gypsum board wall or a thin brick masonry and multi-layer gypsum board wall structure.

The sound insulation wall body adopting the brick masonry structure inevitably consumes a large amount of wall bricks, not only the whole weight of the sound insulation wall body is seriously increased, but also the waste of resources and the damage to the environment are caused by using the wall bricks. Although the gypsum board can reduce the whole weight of the sound insulation wall body and avoid excessive use of wall bricks, the gypsum board has high requirements on the environment, and once the gypsum board is affected by damp deformation, the sound insulation and decoration effects are influenced, so that the gypsum board can only be used in dry and waterless rooms such as guest rooms, bedrooms and the like, and in damp and watery rooms such as toilets, kitchens and the like, the sound insulation wall body can only adopt a brick masonry structure.

Meanwhile, with the development of assembly type buildings and assembly type wall body parts, brick masonry with large influence on the environment and gypsum boards with high requirements on the environment humidity are eliminated. The sound insulation wall body made of the brick masonry and the gypsum board is not suitable for the requirements of modern buildings in the aspects of system structure, sound insulation effect, construction efficiency and the like due to the limitation of the material structure.

Therefore, it is desirable to provide a sound insulation wall which has a good sound insulation effect, is environmentally friendly, has low requirements for environmental humidity, and can be installed in an assembly manner to improve the construction efficiency.

SUMMERY OF THE UTILITY MODEL

To sum up, the utility model discloses an aim at solve traditional sound insulation wall's material not environmental protection, receive environmental impact big, the sound insulation effect is poor and the technique that efficiency of construction is low is not enough, and provide a sound insulation effect well, environmental protection and can be with the binary formula sound insulation wall of assembly mode construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-body sound-insulating wall comprises a cavity layer positioned in the middle to form a sound-insulating interlayer and sound-insulating plate layers correspondingly positioned on two sides of the cavity layer to form a front wall surface and a rear wall surface. The cavity layer including be in the metal crate between the inboard four sides of two sound insulation sheet layers and cover in the metal crate two sides around, the outside of every metal mesh all is equipped with the rubber pad of one deck laminating on same one side sound insulation sheet layer. The inner side of each metal net is provided with a layer of soundproof cotton inside the metal frame, and a gap is reserved between the two layers of soundproof cotton so that the inside of the metal frame presents a cavity structure. The sound insulation plate layer is formed by splicing a plurality of polyphenyl particle cement sandwich composite battens with rectangular structures, and wedge grooves which can be mutually embedded are correspondingly arranged at the left side edge and the right side edge of each polyphenyl particle cement sandwich composite batten.

The rubber pad and the soundproof cotton are mutually bonded and fixed by adhesive by taking a metal net in the middle as an attachment surface.

The rubber pad is formed by splicing and cutting a plurality of rubber strips, and the joints of the rubber strips are sealed by reinforcing belts.

The soundproof cotton is formed by splicing and cutting a plurality of rock wool strips, and the joints of the rock wool strips are sealed by reinforcing belts.

The polyphenyl granule cement sandwich composite slat comprises a core material and reinforced fiber cement boards attached to the front surface and the rear surface of the core material.

The thickness of each polyphenyl particle cement sandwich composite strip plate is 75 mm.

And the polyphenyl particle cement sandwich composite battens of the sound insulation board layer are spliced in a staggered manner.

The horizontal transverse width of the metal frame is 50mm, the thickness of each layer of soundproof cotton in the metal frame is 15mm, and the distance between the two layers of soundproof cotton is 20 mm.

The rubber pad is made of flame-retardant rubber materials.

The wedge groove joint between the polyphenyl granule cement sandwich composite strip plates is filled with polymer joint filling materials, and metal connecting pieces are respectively driven into the upper end and the lower end of the wedge groove joint to fix the two polyphenyl granule cement sandwich composite strip plates.

The beneficial effects of the utility model reside in that: adopt double-deck light sound insulation sheet layer internal clamp cavity layer to form assembled sound insulation wall body, and sound insulation sheet layer adopts the compound slat concatenation of a plurality of polyphenyl granule cement sandwiches to form, has simplified the construction step, has effectively improved the efficiency of construction. Meanwhile, the adopted polyphenyl particle cement sandwich composite strip plate has the advantages of good sound insulation effect, mildew resistance, moisture resistance, certain fireproof capacity and low requirement on environment, and can be used in rooms with different environmental humidities, such as guest rooms, corridors, toilets and the like.

And simultaneously, the utility model discloses a still be provided with the cavity layer between the two-layer sound insulation sheet layer, both sides are separated with the sound insulation sheet layer through the rubber pad around the cavity layer, and indoor sound wave is at first through the preliminary separation of the sound insulation sheet layer of preceding wall in the use, then carries out the secondary separation via the rubber pad on cavity layer, soundproof cotton, air, soundproof cotton, rubber pad in proper order, carries out last step's separation by the sound insulation sheet layer of back wall again at last for sound must not leak in the room by the separation basically. Vice versa to guarantee that outdoor sound wave is outside by the utility model discloses the separation. The footpath authority detects, the utility model discloses the sound insulation volume of sound-proof wall is 56dB, reaches the sound insulation standard of five-star hotel guest rooms, and it is effectual to give sound insulation.

Additionally, the utility model discloses use assembled light wall body to do operation worker method installation, the efficiency of construction is high, has improved the operating efficiency, has reduced the expenditure of cost of labor.

To sum up, the utility model has the advantages of waterproof, fire prevention, dampproofing, the sound insulation performance is excellent, and service environment is unrestricted.

Drawings

FIG. 1 is a schematic vertical sectional view of the partial structure of the sound-insulating wall of the present invention;

FIG. 2 is a schematic horizontal sectional view of the partial structure of the sound-insulating wall of the present invention;

FIG. 3 is an exploded view of the assembly structure of the sound-insulating sheet layer of the present invention;

fig. 4 is the overall structure decomposition schematic diagram of the cavity layer of the present invention.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and preferred embodiments of the present invention. This embodiment is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the present invention: a double-body sound insulation wall comprises a cavity layer positioned in the middle to form a sound insulation interlayer and sound insulation plate layers 1 correspondingly positioned on two sides of the cavity layer to form a front wall surface and a rear wall surface. The soundproof plate layer 1 includes a first soundproof plate layer 11 fixedly attached to the indoor wall to form a rear wall surface, and a second soundproof plate layer 12 located on an indoor side to form a front wall surface after assembly. The utility model discloses a 1 centre gripping cavity layer of double-deck syllable-dividing sheet layer carries out triple separation to the sound wave, and it is effectual to give sound insulation.

Specifically, referring to fig. 3, the sound insulation slab layer 1 is formed by splicing a plurality of rectangular polyphenyl particle cement sandwich composite laths 10, and wedge grooves 103 which can be embedded with each other are correspondingly arranged on the left side and the right side of each polyphenyl particle cement sandwich composite lath 10.

Specifically, referring to fig. 1 and 3, the polystyrene particle cement sandwich composite slat 10 of the present invention comprises a core material 101 made of polystyrene particles, foamed portland cement, expanded perlite powder lightweight aggregate, and the like, and reinforced fiber cement boards 102 attached to the front and rear surfaces of the core material 101. The utility model discloses a reinforcing fiber cement board 102 of its surface course of polyphenyl granule cement sandwich composite slat 10 has good high temperature resistance characteristic, accords with the otherwise standard of A level, and the coefficient of conductivity is low to fire toasts also can not burn or outwards discharge poisonous and harmful substance, and safety ring protects, and the fire prevention is effectual. Meanwhile, the reinforced fiber cement board 102 has certain heat insulation and sound insulation capabilities, and can be used for various sound insulation walls and barriers. Moreover, the reinforced fiber cement board 102 has relatively light weight, relatively high strength, good moisture resistance and toughness, and is not easy to deform and warp. Therefore, the reinforced fiber cement board 102 is used as a surface layer, so that the effects of fire prevention and sound insulation can be achieved, the quality of the wall body can be effectively reduced, and the strength and the moisture resistance of the wall body are improved. In addition, the core material 101 clamped between the two layers of reinforced fiber cement boards 102 has the characteristics of good heat preservation, heat insulation, sound insulation, water resistance and the like, and has higher structural strength while being light, and the polyphenyl particle cement sandwich composite slat 10 has the advantages of excellent fire resistance, moisture resistance, sound insulation, heat preservation, high light strength and the like when being matched with the reinforced fiber cement boards 102 attached to the two surfaces of the reinforced fiber cement boards.

Therefore, the utility model discloses a sound insulation wall body adopts the compound slat 10 design of double-deck polyphenyl granule cement sandwich, and not only the sound insulation effect is splendid, but also has a great deal of advantages such as intensity height, quality light, green, heat preservation fire prevention.

Specifically, referring to FIG. 3, the standard dimensions for each of the polyphenyl granule cement sandwich composite panels 10 in this embodiment are a vertical height 2270mm, a horizontal longitudinal width 610mm, and a horizontal transverse thickness 75 mm. Of course, in other embodiments, the polystyrene particle cement sandwich composite plank 10 may be selected to have a corresponding size to the actual conditions at the job site. During actual assembly, the polyphenyl granule cement sandwich composite battens 10 need to be vertically arranged in the horizontal longitudinal length direction of the indoor wall body, are spliced together corresponding to the wedge grooves 103, and are sequentially laid and spliced from left to right and from bottom to top to form the first sound-insulation board layer 11 and the second sound-insulation board layer 12.

In the actual installation process, when the polyphenyl particle cement sandwich composite strip plate 10 is laid on the wall edge or the ceiling but is less than the width or the height of a standard plate, the patch plate can be cut as required. It should be noted that the width of the patch is not preferably less than 200 mm. It should be noted that the vertical joint plate is not required to be connected more than once, and the polyphenyl granule cement sandwich composite strip plate 10 with a higher standard size is correspondingly selected if the indoor lifting frame is too high. When the condition is not met and the vertical plate connection is carried out for two times or more, steel beams and steel columns are required to be additionally arranged to strengthen the splicing strength of the polyphenyl granule cement sandwich composite strip plate 10.

Specifically, referring to fig. 1, 2 and 4, the cavity layer includes a metal frame 2 having a rectangular frame structure, and metal meshes 3 are laid on both front and rear surfaces of the metal frame 2, and each metal mesh 3 includes a first metal mesh 31 facing the first soundproof plate layer 11 and a second metal mesh 32 facing the second soundproof plate layer 12. The outer side surface of the metal frame 2 is attached to the side wall, the ceiling and the ground of the indoor wall.

Specifically, the metal frame 2 is formed by welding galvanized steel sheets, and the welding seams between the galvanized steel sheets are tightly sealed by sealant, so that the metal frame 2 is prevented from generating gaps. Each of the galvanized steel sheets constituting the metal frame 2 has a width of 50mm to ensure that the entire horizontal transverse width of the metal frame 2 after welding is 50mm, so that the interval between the first soundproof sheet layer 11 and the second soundproof sheet layer 12 is at least 50 mm.

Specifically, four sides of the metal net 3 are fastened on the metal frame 2 through screws, a layer of rubber pad 4 is fixedly glued on the whole outer side face of each metal net 3 facing the sound insulation board layer 1, and a layer of sound insulation cotton 5 in the metal frame 2 is fixedly glued on the whole inner side face of each metal net 3 back to the sound insulation board layer 1.

The utility model discloses a rubber pad 4 and soundproof cotton 5 use metal mesh 3 in the middle of as the adhesion surface to pass through gluing agent mutual adhesion fixed. Because the meshes of the metal net 3 are densely distributed, the adhesive can be adhered to the rubber pad 4 and the soundproof cotton 5, and the rubber pad 4 and the soundproof cotton 5 can be adhered more firmly. Simultaneously, metal mesh 3's use also is favorable to improving the tensile resistance and the intensity of soft rubber pad 4 of texture and soundproof cotton 5, has improved the reliability on cavity layer, has prolonged the utility model discloses a life.

Specifically, as shown in fig. 1, 2 and 4, the rubber pad 4 includes a first rubber pad 41 having an outer surface attached to the first soundproof sheet layer 11 and an inner surface attached to the first metal mesh 31, and a second rubber pad 42 having an outer surface attached to the second soundproof sheet layer 12 and an inner surface attached to the second metal mesh 32. The joints of the first rubber pad 41 and the second rubber pad 42 and the metal frame 2 are sealed tightly by using a sealant, so that the metal frame 2 is integrally formed into a hollow sealing structure similar to a bass drum.

Specifically, the soundproof cotton 5 includes a first soundproof cotton 51 pasted and fixed on the inner side surface of the first metal mesh 31 and a second soundproof cotton 52 pasted and fixed on the inner side surface of the second metal mesh 32, and the first soundproof cotton 51 and the second soundproof cotton 52 correspond to each other and leave a gap therebetween, so that the inside of the metal frame 2 presents a cavity structure.

Because the compactness of rubber material itself is high, and is airtight, and is splendid to the separation effect of sound wave, so adopt rubber pad 4 and 5 cooperations of soundproof cotton can carry out effective separation with the sound wave that passes soundproof plate layer 1. Moreover, under the shutoff of first rubber pad 41 and second rubber pad 42, the inside cavity body structure that forms similar double-deck vacuum glass of metal crate 2 is the same for the sound wave that passes the cavity layer is seriously weakened or even completely eliminated, thereby makes the utility model discloses a cavity layer has splendid syllable-dividing effect.

Specifically, the rubber pad 4 is formed by splicing and cutting a plurality of rubber strips 40 with standard sizes, and the splicing seams of the two adjacent rubber strips 40 are sealed by the reinforcing belt 6, so that the gaps between the rubber strips 40 are prevented, and the overall structural strength of the rubber pad 4 is enhanced. In order to facilitate construction, the splicing and cutting times of the rubber strip 40 are reduced, the size of the rubber strip 40 in the embodiment is 150mm in width and 5mm in thickness, and the rubber strips 40 with different sizes and thicknesses can be correspondingly selected according to the conditions of a construction site in other embodiments.

Further, for improving the utility model discloses the holistic high temperature resistant of sound insulation wall body, fire behavior, concatenation constitute the utility model discloses rubber pad 4's rubber strip 40 is made by flame retardant rubber material.

Specifically, soundproof cotton 5 is cut by the 50 concatenations of the rock wool strip of a plurality of standard size and forms, and the piece department of two adjacent rock wool strips 50 all seals by strengthening band 6 to prevent the gap from appearing between rock wool strip 50, and improve 5 holistic structural strength of soundproof cotton. In order to facilitate the construction, reduce the number of times that 50 concatenation of rock wool strips were cut, 50 sizes of rock wool strips in this embodiment are width 150 mm. It should be noted in addition that, in order to guarantee the effect that gives sound insulation, controls simultaneously the utility model discloses the cost of sound insulation wall body, the thickness of every rock wool strip 50 all is 15mm, and should guarantee to make its seam relative with pasting the 40 seams of rubber strip on same metal mesh 3 dislocation when pasting dress rock wool strip 50.

Paste two-layer soundproof cotton 5 back on the medial surface of first metal mesh 31 and second metal mesh 32 respectively, there is about the clearance about 20mm between inside first soundproof cotton 51 of metal crate 2 and the second soundproof cotton 52 for the inside vacuole formation structure of metal crate 2, through the two-layer rubber pad 4 on cavity layer, the air at two-layer soundproof cotton 5 and middle part carries out the second heavy separation to the sound wave that passes first soundproof sheet layer 11 or second soundproof sheet layer 12, further improved the utility model discloses an effect gives sound insulation.

When actually assembling, the first soundproof sheet layer 11 should be laid first. After paying off, a polyphenyl particle cement sandwich composite slat 10 is taken, mortar is scraped on the rear side surface of the polyphenyl particle cement sandwich composite slat, the rear side surface of the polyphenyl particle cement sandwich composite slat is attached to the left end of the indoor wall body, and the polyphenyl particle cement sandwich composite slat is vertically aligned and then pressed and bonded to be fixed. In order to enhance the fixing strength of the sound insulation board layer 1, a factory-shaped steel bar can be driven between the surface of the polyphenyl granule cement sandwich composite slat 10 and the indoor wall for fixing.

Then, the second polyphenyl granule cement sandwich composite slat 10 is taken, mortar is scraped on the rear side face of the second polyphenyl granule cement sandwich composite slat, meanwhile, a polymer joint filling material 7 is filled in a wedge groove 103 on the left side edge of the second polyphenyl granule cement sandwich composite slat and is aligned with the wedge groove 103 on the right side edge of the first polyphenyl granule cement sandwich composite slat 10, after splicing correction, pressing is carried out, so that the second polyphenyl granule cement sandwich composite slat 10 is bonded and fixed on an indoor wall, the joint of the wedge grooves 103 between the second polyphenyl granule cement sandwich composite slat and the first polyphenyl granule cement sandwich composite slat is filled and sealed by the polymer joint filling material 7, and the sound insulation effect is prevented from being influenced by gaps between the two polyphenyl granule cement sandwich composite slats 10.

In order to further improve the bonding strength between the two polyphenyl granule cement sandwich composite strip plates 10 which are spliced with each other, a metal connecting piece 8 with the length of 200mm and the diameter of 6mm is respectively obliquely driven into the upper end and the lower end of the joint of the two polyphenyl granule cement sandwich composite strip plates at 45 degrees so as to anchor and nail the two polyphenyl granule cement sandwich composite strip plates 10 which are spliced with each other. The polyphenyl particle cement sandwich composite laths 10 are sequentially spliced and laid on an indoor wall body in such a way, and when the gap reserved on the right side is less than the width of one polyphenyl particle cement sandwich composite lath 10, the redundant parts on the right side can be cut and spliced according to the standard.

After the first row of polyphenyl granule cement sandwich composite laths 10 of the first sound insulation board layer 11 are fixedly installed, the installation of the second row of polyphenyl granule cement sandwich composite laths 10 is carried out in a vertical connection board mode according to the steps. In practical assembly, it should be noted that the upper row of polyphenyl granule cement sandwich composite laths 10 and the lower row of polyphenyl granule cement sandwich composite laths should be installed in a staggered manner, and the joint distance of the wedge grooves 103 between the two rows of polyphenyl granule cement sandwich composite laths 10 is 200mm-300mm, so as to prevent the influence on the bonding strength of the whole soundproof plate layer 1 caused by the consistent joint of the wedge grooves 103 between the polyphenyl granule cement sandwich composite laths 10 in different layers.

When the first polyphenyl granule cement sandwich composite slat 10 of second row of first syllable-dividing sheet layer 11 is installed, the left side part of polyphenyl granule cement sandwich composite slat 10 needs to be cut according to the standard, so that the right side edge of the left side part is staggered with the right side edge of the first row of first polyphenyl granule cement sandwich composite slat 10, the staggered range is ensured to be between 200mm and 300mm, then the installation is spliced one by one according to the installation method of the first row of polyphenyl granule cement sandwich composite slat 10, and finally, the indoor wall is fully paved to form the first syllable-dividing sheet layer 11.

The installation of cavity layer can be carried out after first soundproof plate layer 11 paves and accomplishes. Firstly, a galvanized steel sheet with the width of 50mm is cut according to the longitudinal length and the vertical height of the indoor wall, the galvanized steel sheet is divided into an upper longitudinal plate, a lower longitudinal plate, a left height plate and a right height plate after being cut, the upper longitudinal plate and the lower longitudinal plate and the left height plate and the right height plate are welded and fixed on the four walls of the indoor wall, and the rear side edge of the galvanized steel sheet abuts against the four sides of the first sound insulation plate layer 11 to be welded into a metal frame 2. In order to further enhance the fixing strength of the metal frame 2, it can be nailed tightly to the four walls of the indoor wall body by using a nail gun.

After the metal frame 2 is fixed, the first rubber pad 41 is first attached. Cutting the flame-retardant rubber strip 40 with the width of 150mm and the thickness of 5mm according to the height of the metal frame 2, coating an adhesive on the back side surface of the flame-retardant rubber strip, adjusting the adhering position, keeping the adhering position vertical, adhering and fixing the flame-retardant rubber strip 40 on the first sound-insulation board layer 11, and adhering and blocking the position where the flame-retardant rubber strip 40 is jointed with the metal frame 2 by using the sealant. Then the flame-retardant rubber strips 40 are spliced in sequence, and the reinforcing bands 6 are adhered at the splicing seams among the rubber strips 40. After the first soundproof sheet layer 11 is fully attached, an adhesive is applied to the front side surface of the attached first rubber mat 41, and then the first metal mesh 31 is screwed and fixed to the metal frame 2 to cover the first rubber mat 41. The rock wool strips 50 are then attached to the inner side surfaces of the first metal meshes 31, and the reinforcing tapes 6 are attached to the seams of the rock wool strips 50 until the inner side surfaces of the first metal meshes 31 are fully attached to form first soundproof cotton 51. Then, the rock wool strips 50 are adhered to the entire inner side surface of the second metal mesh 32 in advance to form the second soundproof cotton 52, and then the second metal mesh 32 to which the second soundproof cotton 52 is adhered is fixedly screwed to the metal frame 2 so that the second soundproof cotton 52 corresponds to the first soundproof cotton 51 and is positioned in the metal frame 2. After the second metal mesh 32 is fixed, the rubber strips 40 are adhered to the whole outer side surface of the second metal mesh to form a second rubber pad 42, and the cavity layer is assembled after the second rubber pad 42 is adhered.

Use second rubber pad 42 as the adhesion surface after the cavity layer is installed, coating adhesive on its surface, then according to the assembly methods of first syllable-dividing sheet layer 11 second syllable-dividing sheet layer 12 of mating formation, can accomplish after the second syllable-dividing sheet layer 12 installation is accomplished the utility model discloses the assembly of sound-proof wall.

Compare in current sound insulation wall body, the utility model discloses a 1 centre gripping cavity layer design of double-deck syllable-dividing sheet layer, make full use of the environmental protection of polyphenyl granule cement sandwich compound slat 10, rubber pad 4, soundproof cotton 5 etc., prevent fires, dampproofing, inhale sound, characteristics such as syllable-dividing, not only more friendly to the environment, and obvious to the separation effect of sound wave, can be used to the environment, especially in the higher place of syllable-dividing requirement.

Additionally, the utility model discloses a dry operation worker method installation of assembled light wall body, the efficiency of construction is high, has improved the operating efficiency, has reduced the expenditure of cost of labor.

The above examples are merely for clarity of description of specific embodiments of the present invention and are not intended to limit the embodiments of the present invention. The foundation the utility model discloses the principle can be derived and summarized other some to the adjustment or the change of soundproof plate layer 1, metal crate 2, metal mesh 3, rubber pad 4, soundproof cotton 5 etc. just do not enumerate one by one here. Any modification, replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A binary formula syllable-dividing wall which characterized in that: the sound insulation board comprises a cavity layer positioned in the middle to form a sound insulation interlayer and sound insulation board layers correspondingly positioned on two sides of the cavity layer to form a front wall surface and a rear wall surface; the cavity layer comprises a metal frame positioned between four sides of the inner sides of the two sound insulation plate layers and metal nets covering the front and rear surfaces of the metal frame, and the outer side of each metal net is provided with a rubber pad attached to the sound insulation plate layer on the same side; a layer of soundproof cotton positioned in the metal frame is arranged on the inner side of each metal net, and a gap is reserved between the two layers of soundproof cotton so that the metal frame presents a cavity structure; the sound insulation plate layer is formed by splicing a plurality of polyphenyl particle cement sandwich composite battens with rectangular structures, and wedge grooves which can be mutually embedded are correspondingly arranged at the left side edge and the right side edge of each polyphenyl particle cement sandwich composite batten.

2. A twin mass soundproofing wall according to claim 1, characterised in that: the rubber pad and the soundproof cotton are mutually bonded and fixed by adhesive by taking a metal net in the middle as an attachment surface.

3. A twin mass soundproofing wall according to claim 1, characterised in that: the rubber pad is formed by splicing and cutting a plurality of rubber strips, and the joints of the rubber strips are sealed by reinforcing belts.

4. A twin mass soundproofing wall according to claim 1, characterised in that: the soundproof cotton is formed by splicing and cutting a plurality of rock wool strips, and the joints of the rock wool strips are sealed by reinforcing belts.

5. A twin mass soundproofing wall according to claim 1, characterised in that: the polyphenyl granule cement sandwich composite slat comprises a core material and reinforced fiber cement boards attached to the front surface and the rear surface of the core material.

6. A twin mass soundproofing wall according to claim 1, characterised in that: the thickness of each polyphenyl particle cement sandwich composite strip plate is 75 mm.

7. A twin mass soundproofing wall according to claim 1, characterised in that: and the polyphenyl particle cement sandwich composite battens of the sound insulation board layer are spliced in a staggered manner.

8. A twin mass soundproofing wall according to claim 1, characterised in that: the horizontal transverse width of the metal frame is 50mm, the thickness of each layer of soundproof cotton in the metal frame is 15mm, and the distance between the two layers of soundproof cotton is 20 mm.

9. A twin mass soundproofing wall according to claim 1, characterised in that: the rubber pad is made of flame-retardant rubber materials.

10. A twin mass soundproofing wall according to claim 1, characterised in that: the wedge groove joint between the polyphenyl granule cement sandwich composite strip plates is filled with polymer joint filling materials, and metal connecting pieces are respectively driven into the upper end and the lower end of the wedge groove joint to fix the two polyphenyl granule cement sandwich composite strip plates.