276results about "Sound proofing" patented technology

The present application relates to a full assembly type cantilever balcony component with flower pool, balcony and manufacturing method. The cantilever main body adopts a dense rib steel structure, a plurality of longitudinal main ribs, transverse secondary ribs and edge ribs enclosed in the periphery of the main ribs and secondary ribs are fixedly connected to form a grid-shaped stress structure used as the cantilever main body, and prefabricated flower pools and protective components are assembled on the cantilever main body. The cantilever balcony component is assembled on the building main structure to form a cantilever balcony, the inner side edge rib is supported and fixedly connected on the L-shaped steel plate of the embedded part to realize stable support, and the drainage port of the prefabricated flower pool is connected to the drainage system. The present application has the advantages of lightweight structure, functional integration and assembly integration. The dense rib structure reduces the self weight of the balcony by more than 15%, increases the cantilever span by 30%, improves the on-site construction efficiency by 50%, reduces the comprehensive cost by 20%-30%, and is suitable for residential buildings, apartments, tourism buildings and other civil buildings.

This invention discloses an installation structure for a perforated terracotta brick curtain wall, relating to the field of terracotta brick curtain wall technology. Its key technical points are: Firstly, a T-shaped connector is used to engage with a T-shaped groove on the back of the terracotta brick, allowing the brick to be directly hung on the connector while also adjusting the spacing of the bricks. Secondly, a central cylinder and a connecting column are interlocked on the connector, with a locking pin on the central cylinder corresponding to a spiral groove on the outside of the connecting column. Therefore, when the connecting column is pressed, the locking pin, guided by the spiral groove, drives the connecting column to rotate. Based on this, a middle plate is placed on the connecting column. Thus, during terracotta brick installation, the brick can be hooked by flipping the middle plate. This effectively solves the technical problem of existing terracotta brick curtain walls being difficult to replace and easily affecting load-bearing capacity, thereby achieving rapid installation of terracotta bricks, eliminating the need for extensive installation time and reducing the time and difficulty of high-altitude operations.

The utility model relates to building decoration technical field discloses a prefabricated modular wall surface dry method work method buckles and hangs spare, including main part subassembly, including wood veneer, the wood veneer is inserted with self -tapping screw, wood veneer with self -tapping screw screw connection, installation subassembly, set up in self -tapping screw, including mounting piece, the mounting piece includes mounting plate, the mounting plate is set in the outside of self -tapping screw. The utility model has the advantages that: adopt prefabricated modular assembly, realize factory production and on -the -spot quick assembly, be convenient for local maintenance replacement, buckle and hang type installation structure is simple, and installation is convenient, can effectively improve the decoration efficiency, and can cut according to demand, reduce material waste, set up pipeline separation measures between wall body and veneer, be convenient for overhaul, replacement or upgrade, reduce maintenance difficulty and cost, can satisfy pipeline pre -buried requirement through the adjustment of hanging spare thickness, cavity part fills up sound insulation cotton still can strengthen sound insulation effect.

A set of parts intended to form a floor (1) and / or a ceiling of at least one room in a building, which set includes a first set of elements (2) each having a first face (2a) substantially flat and a second face (2b) opposite the first face, which second face has a profile (3) having an angular geometry such that two elements can fit together, which set also includes a second set of acoustic attenuation elements (4, 5-1, 5-2) intended to be placed between two elements of said first set which are fitted together, for each element of the first set the angular geometry of the profile is the same and is present on the whole of the second face, which acoustic attenuation elements have an angular geometry which follows that of the profile and are positioned in a hollow, respectively on a ridge, formed by the profile of the elements of the first layer.

This utility model relates to the field of building structure engineering technology and discloses a prefabricated octagonal grid structure, including a connecting frame. A connecting mechanism is provided at the top of the connecting frame to connect it. Multiple support rods are equidistantly arranged around the bottom wall of the connecting frame, and an energy supply mechanism is provided on the outer wall of each support rod to achieve energy self-sufficiency for the structure. The connecting mechanism includes a connecting frame located at the top of the connecting frame. Multiple connecting slots are equidistantly formed on the top wall of the connecting frame, and these slots engage with the connecting frame. In this utility model, the outer connecting parts of the grid unit are precisely aligned with the mounting holes on the support rods. Bolts are passed through and tightened to firmly connect the grid unit to the support rods, enhancing the stability and load-bearing capacity of the structure. Furthermore, the octagonal grid shape enriches the visual effect of the building and meets diverse aesthetic needs.

The application discloses an assembled steel structure building outer hanging formwork with sound absorption function, and relates to the related field of building construction, which comprises a formwork body. The deformation and clamping of the concave thin iron and the convex thin iron in the pre-supporting part provide gap adjustment and installation pre-fixing effect for the formwork bodies of adjacent units. Then, the adjusting part limits the sound insulation first filling plate and the second filling plate and encloses a space to facilitate subsequent pouring integration. The injection holes in the sealing part inject sealant into multiple formwork bodies, and the sealing property and solidification of the sealant provide integration, thereby improving the sealing effect and overall stability between the multiple formwork bodies.

This invention discloses a composite building wall structure for preventing solid-borne noise waves, relating to the field of composite building technology. It addresses the problems of existing composite building wall structures' sound insulation structures being inconvenient to quickly assemble and disassemble, and the existing sound insulation panel disassembly mechanisms requiring significant space and hindering wall construction. The solution includes a wall body, with sound insulation panels on both sides of its outer surface. Multiple L-shaped clamps are symmetrically fixed to the outer surface of each sound insulation panel, particularly on the side closest to the wall body. Multiple grooves that mate with the L-shaped clamps are provided on both sides of the outer surface of the wall body. Through a clamping mechanism and a driving mechanism, multiple clamping mechanisms can be operated simultaneously, improving work efficiency. The driving mechanism can be installed between the sound insulation panels and the wall body using circular grooves and holes, without occupying external space, thus eliminating the need for extra space.

The utility model discloses a polypropylene frame nanometer thermal insulation board, which comprises a thermal insulation board body, the outer end of the thermal insulation board body is fixedly connected with an MPP reinforced frame, the thermal insulation board body comprises a protective layer, an electromagnetic shielding layer, a thermal insulation layer, a sound absorption damping layer, a fireproof blocking layer and a lining layer, the protective layer is attached to the electromagnetic shielding layer, and the lining layer is attached to the thermal insulation layer. A traditional silica gel frame is replaced by the MPP frame, a multi-layer functional structure is integrated, the comprehensive performance and the application range of the nanometer heat insulation plate are remarkably improved, the fire endurance breaks through 1.5 hours through double protection of the flame-retardant MPP surface layer and the ceramic coating, leap-type improvement is achieved compared with 0.5 hour of the silica gel frame, and the service life of the nanometer heat insulation plate is prolonged. The aerogel core layer is embedded into the MPP reinforcing ribs, so that the heat insulation and bearing capacity structure is optimized, and the physical performance of the heat insulation plate is improved to a great extent.

Method and apparatus for producing a spreading mat (1) using particles (2, 3, 4), in particular fibers, made of mineral materials, for example rock or glass wool, on a moving forming belt (23), comprising the following steps: a) Providing a bunker (20) with mixed fine and coarse particles (2, 3) and shot (4), b) Dividing the particles (2, 3) and shot (4) exiting the bunker (5) via at least a first size-separating device (8) into at least a first subset (5) with fine and coarse particles and at least a second subset (6) with predominantly shot (4), c) furthermore, forwarding the first subset into a second size-dividing device (9) in a first feed area (14) and fractionating the first subset (5) again according to particle size and d) Scattering of the particles (2, 3) of the subset (5) as a layer of increasing or decreasing size onto the forming belt (23) to form the spreading mat (1) with a desired thickness. In order to obtain a particularly smooth surface, it is provided that the second subset (6), containing the shot (4), is also fed to the second size-dividing device (9) in a second feed area (15) different from the first, but is spread onto the moving forming belt (23) at such a time offset to the first subset that at least the shot (4) is arranged above a layer of fine particles (2) in the thickness of the spreading mat (1).

The application provides a sound insulation and heat preservation integrated prefabricated laminated board and a laminated board system, and belongs to the field of fabricated buildings. The laminated board comprises a prefabricated part, a heat insulation and sound insulation layer and a laminated layer. The prefabricated part comprises a prefabricated bottom plate and a connecting piece, the connecting piece is arranged on the prefabricated bottom plate, the heat insulation and sound insulation layer is continuously formed on the prefabricated bottom plate, the laminated layer is formed on the heat insulation and sound insulation layer, the connecting piece penetrates through the heat insulation and sound insulation layer, the bottom of the connecting piece is connected to the prefabricated bottom plate, the top of the connecting piece extends into the laminated layer, a first protective layer is formed between the top of the connecting piece and the top surface of the laminated layer, and a second protective layer is formed between the bottom of the connecting piece and the bottom surface of the prefabricated bottom plate. The heat insulation and sound insulation layer is arranged in the middle of the laminated board, a sandwich form is formed, a complete and continuous heat insulation and sound insulation layer is formed in the laminated board, and floor surface layer cracking caused by on-site laying of the heat insulation and sound insulation layer can be effectively avoided.

The invention relates to a method and a device for producing a mat of scattered material (1) using particles (2, 3, 4), in particular fibres, formed of mineral substances, for example rock wool or glass wool, on a running forming belt (23), comprising the following steps: a) providing a hopper (20) having mixed fine and coarse particles (2, 3) and grit (4), b) dividing the particles (2, 3) and grit (4) emerging from the hopper (5) via at least one first size-dividing device (8) into at least one first partial quantity (5) having fine and coarse particles and at least one second partial quantity (6) having predominantly grit (4), c) further forwarding the first partial quantity into a second size-dividing device (9) in a first feed region (14) and fractioning the first partial quantity (5) again according to particle size, and d) scattering the particles (2, 3) of the partial quantity (5) as a layer having an increasing or decreasing size onto the forming belt (23) in order to form the mat of scattered material (1) with a desired thickness. In order to obtain a particularly smooth surface, the second partial quantity (6), which contains the grit (4), is also fed to the second size-dividing device (9) in a second feed region (15), which is different from the first, but is scattered onto the running forming belt (23) in a time-staggered manner in relation to the first partial quantity, such that at least the grit (4) is arranged above a layer of fine particles (2) in the thickness of the mat of scattered material (1).

The application discloses a panoramic sunlight room and belongs to the field of architectural design, comprising a house frame body, a frame plate telescopically installed on one side of the house frame body, and a guide part cooperatively installed between the house frame body and the frame plate; the frame plate has a first position abutting and closing the house frame body and a second position away from the house frame body, the house frame body is provided with a telescopic assembly on each vertical side wall, the telescopic assembly is movably connected with the frame plate, a driving body is fixed on the ground of the house main body, and the driving body acts on the telescopic assembly to switch the frame plate between the first position and the second position; during use, the driving rod is started to drive the telescopic rod to reciprocate, thereby controlling the opening and closing of the frame plate; the guide part between the frame plate and the house frame body can play a good limiting and guiding role, the frame plate moves stably, the whole frame plate is opened in use, at this time, one end surface of the house frame body is fully communicated with the outside world, and the air in the space can be quickly exchanged with the outside world, thereby realizing rapid air replacement.

An acoustic panel assembly (1, 100, 130, 147, 148, 150) comprises a plurality of acoustic panel members (10, 110, 135, 147A, 148A, 155). A plurality of bridge portions (20) is configured to connect each of the acoustic panel members to at least one other acoustic panel member. The acoustic panel members each have at least two sidewall portions (52, 55) and an exterior face layer (70) comprising a pair of side portions (72, 75). The side portions (72, 75) of each exterior face layer (70) are configured to adhere to the sidewall portions (52, 55) of each acoustic panel member (10, 110, 135, 147A, 148A, 155). The acoustic panel assembly (1, 100, 130, 147, 148, 150) is easier to install and is applicable to a variety of wall surfaces. A method of manufacturing the acoustic panel assembly is provided.

To provide an aqueous binder composition, etc., comprising a monomer polyol having at least four hydroxyl groups; and a crosslinking agent containing a polymer polycarboxylic acid having at least two carboxylic acid groups. [Solution] An aqueous binder composition is provided, comprising a monomer polyol having at least four hydroxyl groups in an amount of 5.0 to 50.0% by mass relative to the total solids content of the aqueous binder composition, and a crosslinking agent comprising a polymer polycarboxylic acid having at least two carboxylic acid groups in an amount of at least 50.0% by mass relative to the total solids content of the aqueous binder composition, wherein the composition has a molar equivalent ratio of carboxylic acid groups to hydroxyl groups of 0.15 / 1.0 to 2.23 / 1, a pH of 2.2 to 4.0, and a viscosity of 10 cP to 60 cP at 25C with a solids content of 40%.

The invention involves a triangular prismatic tuned mass damper suitable for large-span or cantilever structures, including a triangular prism box, particle damping units inside the triangular prism box, and a steel mass block. Below the triangular prism box are high-damping springs. The particle damping unit consists of a particle damping cavity, particles of three different sizes, and foam rubber pads. When the structural vibration amplitude is small, the particles dissipate energy by compressing the foam rubber pads and rolling. When the amplitude of structural vibration is large, the energy is dissipated by the collision of particles and the compression of the foam rubber.

This invention discloses a light-shielding barrier for steel structure construction, comprising: support bases, spaced apart around the perimeter of the steel structure and divided into upper and lower layers; steel wire ropes, horizontally arranged between adjacent support bases, with the upper and lower layers of steel wire ropes arranged in a flat shape; protective cloth, disposed between the upper and lower steel wire ropes; and locking rings, slidably connected to the steel wire ropes and fixed at intervals to the protective cloth. This invention has the following advantages and effects: by layering sliding rails composed of steel wire ropes on the steel structure and slidably connecting protective cloths between the steel wire ropes, the light-shielding barrier can be quickly erected and deployed. Furthermore, the shape of the sliding rails can be freely adjusted, allowing for flexible adjustment of the barrier's position and shape according to the beam and column layout of the steel structure construction area. There are no leakage gaps, achieving stable light-shielding protection. The entire light-shielding barrier can be easily disassembled and transported for reuse.

The utility model provides a kind of light brick partition wall belongs to building material technical field, the device includes mounting mechanism, partition wall brick and connecting mechanism, partition wall brick can be set in locating column by setting through slot, ensure the firm strength of temporary partition wall, locating column is internally provided with sound insulation chamber, sound insulation chamber is filled with sound insulation cotton, to can promote the sound insulation effect of temporary partition wall, connecting mechanism is used for bonding partition wall brick, simultaneously can be convenient between partition wall brick Disassembly, when construction, the partition wall brick below is coated with a layer of bonding layer, then heating wire is embedded in bonding layer, i.

The application discloses a sound insulation fireproof composite heat preservation board in the technical field of building enclosure wall composite boards, which comprises a heat preservation board body, wherein the heat preservation board body comprises double-sided aluminum panels, a fireproof sound insulation interlayer, a core heat preservation layer, a bonding layer and a backboard layer; the double-sided aluminum panels are arranged on the outer side of the heat preservation board body; the backboard layer is arranged on the inner side of the heat preservation board body; the double-sided aluminum panels and the backboard layer are sequentially combined with the fireproof sound insulation interlayer and the core heat preservation layer through the bonding layer; and multistage damping sound insulation support units are arranged on the two sides in the fireproof sound insulation interlayer. The application solves the technical problems that the existing heat preservation boards are mostly single-layer simple superposition structures, the protection and durability are insufficient, there is no special fireproof sound insulation structure, flame-retardant collaborative design and airtight heat preservation structure, the noise reduction, fireproofing and heat preservation effects are poor, and the levels are loose and not tightly combined, and the sound insulation fireproof composite heat preservation board can meet the modern building requirements.

The application relates to the technical field of building, and discloses indoor sound insulation and antibacterial coating, which is applied to the surface of a building wall base layer and comprises, from inside to outside, a high-permeability alkali-resistant sealing primer layer, a porous composite sound-absorbing middle layer for gap friction attenuation of sound waves, an antibacterial agent slow-release depot layer for providing long-acting antibacterial active substances, and a photocatalytic sterilization and purification layer. The composite coating system of the application resolves the technical problems of easy agglomeration of sound-absorbing fillers and nanometer antibacterial agents in direct blending in traditional processes and mutual hindering of the effects by scientifically constructing a multi-dimensional functional layered system. The system not only realizes excellent broadband sound insulation and noise reduction effects by virtue of the composite acoustic structure of quality reflection, porous dissipation and damping heat conversion, but also combines the double-effect biochemical mechanisms of deep ion slow release and surface photocatalysis to ensure long-acting broad-spectrum sterilization and decomposition of volatile organic compounds.

The application provides a substation boundary sound environment quality improving system and method, the system comprises: a noise reduction wall, including a base buried below the ground and a wall body; at least one tunable sound absorption unit, installed at a predetermined height range of the wall body, each tunable sound absorption unit comprising: a unit shell having a sound absorption cavity opening towards the inside of the boundary; the sound absorption cavity has a rear wall parallel to the wall body and a side wall perpendicular to the wall body; a sound absorption plate movably arranged in the sound absorption cavity, the back of the sound absorption plate forms a movable front wall of the sound absorption cavity; one or more through holes are formed on the sound absorption plate for guiding the substation noise into the sound absorption cavity; an adjusting mechanism connected with the sound absorption plate is used to drive the sound absorption plate to move in the thickness direction of the wall body in the sound absorption cavity to adjust the distance between the movable front wall and the rear wall; and a control module is used to drive the adjusting mechanism to act. The application can significantly improve the sound absorption effect of the amplitude prominent frequency band.

The application discloses an outer wall ceramic tile demolition-free sound-absorbing reinforcing renovation decorative panel, and relates to the technical field of decorative panels, which comprises two cross beams, anchor rods arranged on the outer sides of the two cross beams, a plurality of positioning holes formed in the front sides of the cross beams, a bearing plate arranged on the front side of the cross beam, a fixed frame fixedly connected to the front side of the bearing plate, a sound-absorbing assembly fixedly connected to the inner side of the fixed frame, a decorative plate arranged on the front side of the fixed frame, a mounting unit arranged on the rear side of the bearing plate, and a plurality of positioning rods fixedly connected to the rear side of the bearing plate. The outer wall ceramic tile demolition-free sound-absorbing reinforcing renovation decorative panel is provided with cross beams, anchor rods, a bearing plate and a mounting frame, so that the cross beams can be conveniently mounted on the ceramic tiles, the limiting rods and the friction blocks on the two sides can be controlled to move by rotating the threaded rods, the decorative panel can be quickly mounted on the cross beams, and the decorative panel is convenient to mount and dismount.

The utility model belongs to the field of noise reduction technology provides a kind of for nuclear power plant concrete wall's noise reduction structure, concrete wall and nuclear power plant, including first connecting frame, sound insulation board being arranged on the first connecting frame, second connecting frame being arranged on the sound insulation board and sound absorption board group being arranged on the second connecting frame.In sound insulation board, sound absorption board group is set through second connecting frame, and sound absorption board group includes multiple sound absorption boards, multiple sound absorption holes are set on each sound absorption board, and the sound absorption holes on every adjacent two sound absorption boards are staggered distribution, after noise enters multiple sound absorption holes of first sound absorption board, it needs to change direction to enter multiple sound absorption holes of second sound absorption board, increase the noise absorption times, and increase the noise travel path, can satisfy the sound absorption effect of different vibration degree and the noise of relevant equipment of vibration degree, satisfy sound absorption requirement, improve the noise reduction effect.

The application discloses an environment-friendly sound insulation board combined with softwood and hardwood, which comprises a first softwood layer, a second softwood layer, a third hardened wood layer and a hardwood layer which are sequentially attached, wherein the thickness of the first softwood layer is 3-8 mm, the thickness of the hardwood layer is 6-12 cm, the density of the second softwood layer is 160-190 kg / m3 and the thickness is 3-8 mm, and the density of the third hardened wood layer is 250-270 kg / m3 and the thickness is 10-15 mm. The ecological environment-friendly sound insulation board combined with softwood and hardwood solves the manufacturing method of the traditional sound insulation board, has the characteristics of firm durability, natural grain, convenient construction, safety and environmental protection, sound absorption, heat insulation, durability, comfort and strong warmth, has strong adaptability, can be combined with other materials, can maintain strength while reducing the application of hardwood, and uses cheaper softwood and oak bark to replace hardwood, and has an advantage in price.

The utility model discloses an environmental protection type construction site noise control device, including base, the top of base is installed with support sleeve, the inside telescopic mounting of support sleeve has the support column, the outside locking of support sleeve installs first adjusting knob, the upper end fixed mounting of support column has the rotation axis, both ends of rotation axis all rotationally installed have the clamping plate, the front end clamping of clamping plate installs the fixed base, the utility model discloses the telescopic cooperation of support sleeve and support column and first adjusting knob can be according to the height adjustment baffle of construction site noise source height, the setting of rotation axis and clamping plate, second adjusting knob can adjust the angle of baffle, make baffle better towards noise source, improve the effect of noise reduction, at the same time, the substrate is in the location card frame and can draw, and the width of baffle is adjusted according to actual demand to expand, to adapt to the noise area of different range.

The utility model discloses a kind of quick installation keel for bridge orifice plate. It relates to bridge orifice plate installation technical field, using including keel and bridge orifice plate, the top of the keel is equipped with several mounting holes, the mounting hole is provided with fixed screw.The utility model cooperates with the use of mounting hole and fixed screw, fixes and installs keel on wall body, then one of bridge orifice plate is stuck T type connecting portion set in the bottom of keel, then limiting bridge orifice plate is carried out under the action of elastic block, at this moment, keel and bridge orifice plate directly adhere to each other, so that keel can play a supporting effect to bridge orifice plate, so as to avoid bridge orifice plate damage, and due to the side of bridge orifice plate is provided with clamping edge, another bridge orifice plate can be fixed on keel by clamping edge, so as to ensure the reliability and firmness when installing and connecting between two bridge orifice plates.

The utility model provides a kind of road noise barrier based on sound-absorbing material, including barrier support assembly and barrier body, barrier support assembly includes the barrier support post of pair arrangement, and the sliding slot upper end of barrier support post is connected with buffer sliding block, and one barrier hanging pole is connected between buffer sliding block, barrier hanging pole is connected with barrier assembly support by hinged link, and barrier assembly support is connected with barrier body by bolt.The utility model in barrier body is converted into heat energy dissipation by the sound hole hole of sound hole board body, and the sound-absorbing micropore on microporous attraction cloth layer is based on micro-perforated plate theory, and the sound-absorbing coefficient is excellent in full frequency band, especially in low frequency part, further improve sound-absorbing effect, significantly improve the sound-absorbing performance of low frequency band by sound-absorbing cotton layer, and the porous structure of sound-absorbing cotton layer effectively insulates internal air convection and heat radiation, significantly reduce heat loss, while large aperture area absorbs and reflects sound wave, effectively reduce noise.