1944results about "Sound proofing" patented technology

A thermoplastic frame for holding acoustical material has extruded square plastic tubing that is inserted or snap-fit onto corner connectors and T-connectors to make an enclosure that houses and compresses the acoustic material. During assembly of the frame, the acoustic material is inserted in the open side of a secondary frame assembly and enclosed and compressed with a cap assembly snap-fit onto the secondary frame assembly.

The invention discloses an assembly type efficient sound insulation cover convenient to install, and relates to the technical field of sound insulation covers. Comprising a plurality of pieces of main body square steel, the main body square steel are linearly and evenly distributed at equal intervals, jacking mechanisms used for improving the bottom supporting strength are arranged on the inner walls of the main body square steel correspondingly, and assembly type connecting mechanisms used for improving the connecting strength and stability are installed in the main body square steel correspondingly; according to the assembly type efficient sound insulation cover convenient to install, main body square steel is inserted and limited in a penetrating and inserting mode through the assembly type connecting mechanism, the defect that limiting performance is insufficient due to the fact that a lap joint mode is directly used in a traditional structure is overcome, the whole assembly process is simpler and more convenient, rubber pads and expansion water stop strips are arranged at splicing joints, and the assembly efficiency is improved. The vibration transmission of equipment can be blocked, the inherent frequency is kept away from the vibration frequency of the equipment, secondary noise caused by resonance is avoided, meanwhile, through gaps are reduced, the noise is prevented from leaking from the insertion hole position, and the problem of noise leakage is solved.

The invention provides a movable sound insulation dustproof construction shed, a plurality of supporting mechanisms are sequentially arranged in a shed body in the X-axis direction, and each supporting mechanism comprises two telescopic rods oppositely arranged in the Y-axis direction, a supporting assembly erected on the two telescopic rods and a walking assembly connected to the lower end of each telescopic rod; each telescopic rod is provided with a first limiting assembly used for limiting a sound insulation plate installed on the telescopic rod, and the supporting assembly comprises a first arc-shaped supporting rod and a second arc-shaped supporting rod which are used for supporting the shed body located at the upper ends of the two telescopic rods and can be oppositely folded. The walking assembly is used for driving each telescopic rod to move or stop, so that the problems that an existing dustproof noise reduction shed lacks comprehensive shielding and sound insulation measures on a device to be shielded, and sound insulation felt cloth is inconvenient to disassemble and assemble, so that the dustproof noise reduction effect and stability of the dustproof noise reduction shed are poor are solved.

To provide a partition wall using wood finishing material and having excellent sound insulation performance.SOLUTION: A partition wall P includes sound insulators 11 and 12 arranged and erected facing each other at a predetermined interval, a wood finishing material 20 covering the surface of at least one of the sound insulators 11 and 12, and a support member 30 for the sound insulators 11 and 12 and the wood finishing material 20, which is interposed between the sound insulators 11 and 12. At a butt joint 25 of the wood finishing material 20, a flange 31b of the support member 30 is in contact with the sound insulator 11. The wood finishing material 20 is attached to the flange 31b of the support member 30 by means of a fitting (screw 17) that passes through the sound insulators 11 and 12.SELECTED DRAWING: Figure 1

A plant sound insulation screen comprises sound insulation plates continuously arranged on one side of a plant wall, a preset interval is formed between every two adjacent sound insulation plates, and supports are arranged at the positions, corresponding to the adjacent sound insulation plates, of the wall. The support is of a metal plate structure, the lower end of the support is provided with a supporting plate perpendicular to the enclosing wall and extending outwards and used for supporting the bottom faces of the ends of the sound insulation plates, the top of the support is flush with or higher than the top faces of the sound insulation plates, and the width of the support is larger than the interval between the adjacent sound insulation plates. The bracket is fixed on the surface of an enclosing wall through expansion screws; locking screws are vertically arranged on the support in a penetrating mode and located in the intervals between the adjacent sound insulation plates, and pressing plates are arranged on the locking screws in a sleeving mode and used for pressing the side portions of the sound insulation plates. The scheme facilitates later replacement of the sound insulation board, is more convenient to disassemble and assemble, and can effectively ensure the uniformity and sound insulation effect of the sound insulation screen before and after replacement of the sound insulation board.

An acoustic baffle system that includes an acoustic baffle coupler, an acoustic baffle, and one or more fasteners to secure the acoustic baffle system to a ceiling. The acoustic baffle coupler includes a body comprising an upper end, a first lateral end, a second lateral end, a lower end, a slot defined in the upper end and extending from a first end to a second end, a first channel defined in the first lateral end and extending from the first end to the second end, and a second channel defined in the second lateral end and extending from the first end to the second end. An acoustic baffle is secured into the first and second channels of the acoustic baffle coupler. The one or more fasteners are disposed within the slot of the acoustic baffle coupler and the one or more fasteners are secured to the ceiling.

The invention relates to the field of building materials, in particular to a novel light sound insulation composite wallboard and a preparation method thereof.The composite wallboard comprises a first layer and a second layer which are compounded in sequence; the first layer is a gradient closed-cell foam layer, and the density of the first layer is distributed in a gradient increasing mode from the first surface away from the second layer to the second surface compounded with the second layer. The second layer is an integrated micro-perforated-adjustable neck depth honeycomb layer and comprises a micro-perforated panel, an adjustable neck depth element and a honeycomb core which are arranged in sequence; the micro-perforated panel is connected with the first layer, the neck depth adjustable element is an elastic film, and the elastic film, the micro-perforated panel and the honeycomb core jointly define a plurality of Helmholtz resonant cavities. According to the light sound insulation composite wallboard, efficient introduction of sound waves is achieved through impedance gradual change design, the adjustable resonance dissipation unit conducts targeted absorption on low-frequency noise, full-frequency-band and high-performance air sound isolation from low frequency to high frequency is achieved, and dual optimization of acoustic performance and space efficiency is achieved.

The invention relates to the technical field of building materials, in particular to a bio-based multifunctional sound insulation wallboard and a preparation method thereof. The wallboard comprises a sound absorption layer and a sound insulation layer. The sound absorption layer is cooperatively constructed by an inactivated mycelium three-dimensional porous framework and microalgae biomass, and the sound insulation layer is a high-density complex formed by compounding bio-based raw materials such as wood fiber, straw, recycled paper pulp and shell filler. And the two are combined through a biological-physical mechanical interlocking interface formed by hypha growth, extension and embedding to form a natural acoustic gradient structure from porous low acoustic impedance to compact high acoustic impedance. According to the preparation method, an in-situ growth process of mycelium culture and microalgae coating is embedded into a hot-pressing process, a three-dimensional anchoring network is formed by actively embedding mycelia into the sound insulation layer, the microalgae permeates into pores and is subjected to hot pressing to generate biomacromolecules for bonding and filling, a porous structure is synchronously constructed by a one-step method, and firm interlayer bonding is realized. The wallboard has excellent broadband acoustic performance, stable bonding strength and low-carbon and environment-friendly benefits.

This invention discloses a conveniently assembled polyester fiber sound-absorbing panel and its manufacturing method, comprising a first polyester fiber sound-absorbing panel, a second polyester fiber sound-absorbing panel, and an assembly outer component. Inner inserts are fixedly installed on both sides of the first polyester fiber sound-absorbing panel, and a buckle is provided on one side of each inner insert. A transverse plate is fixedly installed on one side of the first polyester fiber sound-absorbing panel. A limiting groove is formed on one side of the second polyester fiber sound-absorbing panel, and a connector is bonded inside the limiting groove. Hooks are fixedly installed on both sides of the connector, and a fastening plate is fixedly installed on the outer wall of the hook. An assembly groove is formed on the outer wall of the fastening plate. The connector has hooks on both sides, and both the first and second polyester fiber sound-absorbing panels are inserted into the assembly outer component. The buckle engages with the hook, and the transverse plate also engages with the assembly groove of the fastening plate, thus assembling the first and second polyester fiber sound-absorbing panels into the assembly outer component, facilitating their assembly and disassembly.

The invention belongs to the technical field of automatic control, and particularly relates to a large-span ellipsoidal glass structure space noise reduction method based on sound field optimization, and the method comprises the steps: 1, transmitting a sample noise in an ellipsoidal glass structure through a sound wave generator, building a sound wave propagation model to describe the behavior of the sample noise in the ellipsoidal structure, an incident sound field is obtained; 2, analyzing the propagation characteristics of the sample noise in the ellipsoidal glass structure to obtain an acoustic structure coupling equation, and solving the acoustic structure coupling equation to obtain structural vibration displacement; 3, obtaining a sound radiation field of the ellipsoidal glass structure according to the structural vibration displacement; and step 4, combining the incident sound field and the sound radiation field, and performing spatial noise reduction by reflecting the sound pressure of the sound field. According to the method, the problems of poor adaptability and low control precision of a traditional noise reduction method in a non-uniform structure are effectively solved, and the noise reduction efficiency, the control sensitivity and the environment adaptability of a building space are remarkably improved.

The invention discloses sound insulation mortar, a preparation method, a sound insulation mortar system and a construction technology, and belongs to the field of building materials. The phosphogypsum-based low-carbon thermal insulation and sound insulation mortar is prepared from the following raw materials in parts by weight: 50 to 60 parts of phosphogypsum, 20 to 30 parts of filler, 10 to 15 parts of inorganic admixture, 10 to 15 parts of glass beads, 5 to 10 parts of aerogel, 0.1 to 0.5 part of water-retaining agent, 1 to 4 parts of polymer rubber powder, 0.02 to 0.05 part of retarder and 0.2 to 0.5 part of water reducing agent. The ardealite-based low-carbon thermal insulation and sound insulation mortar is compact in structure and good in crack resistance, and has an excellent sound insulation effect on the premise of ensuring that the mechanical property reaches the standard. The thermal-insulation and sound-insulation material is good in fire resistance and outstanding in aging resistance and durability in the long-term use process, has convenient construction performance and can fully meet the comprehensive use requirements of constructional engineering for thermal-insulation and sound-insulation materials.

The invention discloses a sound chamber module system which is provided with walls on four sides and comprises a door to create an internal space, a main body frame arranged on one side of the wall, a video device arranged in the center of the main body frame and a plurality of audio devices arranged on two sides of the periphery of the video device, and the wall comprises a concrete layer. The sound absorption material layer is installed on the concrete layer, and the sponge component is doped with ferrite components. The sound absorption material layer comprises a semi-non-combustible sheet layer in which water and melamine resin powder are dissolved.

The utility model discloses a shielding layer structure integrated design module, which comprises a first shielding layer, a second shielding layer arranged on the rear side of the first shielding layer, and a convenient splicing mechanism arranged inside and on the rear side of the first shielding layer. The convenient splicing mechanism comprises a triangular groove, a clamping groove, a triangular block, a clamping block, a second shielding layer, a connecting column, a fixing shaft, a spring, a clamping strip and a bayonet. According to the shielding layer structure integrated design module, wall shielding layers of a nuclear medicine and an accelerator can be rapidly spliced for installation by arranging a convenient splicing mechanism, the installation efficiency can be greatly improved, meanwhile, a structure bearing capacity strengthening mechanism is arranged, the bearing capacity of the shielding layers can be strengthened, and therefore the wall bodies are connected; in addition, a convenient-to-carry mechanism is arranged, a wall shielding layer can be stacked and limited, and convenience is provided for transportation and carrying.

The present application relates to a sound absorber (1) for acoustic shielding, comprising a planar base body in which several strip-shaped sections (2a) are formed parallel to one another, each of the strip-shaped sections (2a) having two opposite edges and at least one recess (4) extending along the strip-shaped section (2a), which projects from the planar base body and through which an opening (5) with side edges (6a, 6b) is formed at each of the opposite edges. The recess (4) has an edge (4a) extending transversely to the strip-shaped section (2a) and is subdivided by the edge (4a) along the strip-shaped section (2a) into a first recess area (4b) with first side edges (6a) and a second recess area (4c) with second side edges (6b). The first side edges (6a) are curved differently than the second side edges (6b).

The invention relates to an acoustic insulation product (5) comprising a panel (1) made of porous material, based on foam or fibres, comprising a first face, referred to as back face (20), intended to face towards a wall, and a second face, referred to as front face (30), situated on the opposite side to the back face (20), and a layer, referred to as backing layer (2), which adheres to or is linked or coupled at least in part to the back face (20) of the panel (1) made of porous material, the backing layer (2) having an airflow resistance of between 5 kPa.s / m and 20 kPa.s / m, preferably between 7 kPa.s / m and 15 kPa.s / m. The acoustic insulation product according to the invention is able to improve both acoustic insulation and noise absorption.

The utility model discloses a site protective frame for green construction of a high-rise plant, which relates to the technical field of protective frames and comprises two cross rods and two vertical rods, the two cross rods are fixedly connected with the two vertical rods, one end of each cross rod is fixedly provided with a mounting plate, one end of each cross rod is fixedly provided with a mounting frame I, and the other end of each cross rod is fixedly provided with a mounting frame II. A dustproof net is fixedly mounted on the inner wall of the first mounting frame, a second mounting frame and a sound insulation plate are arranged at one ends of the two transverse rods and the two vertical rods, a greening module is arranged on the inner wall of the second mounting frame, and a water inlet groove is formed in one end of each transverse rod; after the sliding rod is pushed, the sliding rod drives the L-shaped plate to move horizontally, so that collected rainwater can quickly flow out of the water inlet groove and irrigate plants through the flow guide plate, the utilization rate of the rainwater is effectively increased, the plants are irrigated in time, the probability that the plants are dried up is reduced, resources are saved, the greening effect can be improved, and the applicability is further improved.

The utility model belongs to the technical field of common building structures, and particularly relates to a curved surface ceramic plate assembly component applied to the top surface of a swimming pool, which comprises a base layer connecting unit, an adjustable dry hanging unit and a sound absorption ceramic plate unit, wherein the adjustable dry hanging unit is connected with the base layer connecting unit, and the sound absorption ceramic plate unit is movably connected with the adjustable dry hanging unit; the adjustable dry hanging unit is suitable for adjusting the height of the sound absorption ceramic plate unit, and the sound absorption ceramic plate unit is suitable for adjusting the position on the adjustable dry hanging unit; the height of the sound-absorbing ceramic plate unit can be rapidly adjusted through the adjustable dry hanging unit, meanwhile, the position of the sound-absorbing ceramic plate unit is adjusted by moving the sound-absorbing ceramic plate unit relative to the adjustable dry hanging unit, and space positioning of different ceramic plates and modular assembly of overall modeling are convenient to adjust; and the sound-absorbing ceramic plate units have cavity structures, so that the self weight is reduced, the effects of sound absorption and heat dissipation are achieved, and the problems of poor sound absorption and heat dissipation during dense splicing and dry hanging of the ceramic plates can be avoided.

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.

An in-line process for forming a panel having a panel body with a top face and a bottom face and at least two side edges therein between, and having one or more additional edge edgings formed from a compressible material on one or both side edges and fixed to the top and bottom faces of the panel body, the process comprising at least the steps of:(i) providing a panel body;(ii) providing of one or more additional edgings formed from a compressible material;(iii) providing a supply of an edge banding material;(iv) locating the one or more additional edgings and the edge banding material to a side edge of the panel body; and(v) fixing the edge banding material to the top and bottom faces of the panel body and encapsulating the at least one of the additional edgings.

The invention relates to the technical field of green plant building, and discloses a self-adaptive noise reduction type green new energy low-carbon plant and a using method.The self-adaptive noise reduction type green new energy low-carbon plant comprises an outer wall arranged on the outer side of an inner wall, a sound insulation space is formed between the outer wall and the inner wall, and supporting columns are installed for supporting; first reflecting plates are rotationally arranged on the inner walls of the two sides of the inner wall, sound detection probes are arranged on the first reflecting plates, and an adjusting mechanism comprising a first rotating plate, a second rotating plate and an electromagnet is arranged between the first reflecting plates and the inner wall of the inner wall; an opening is formed in the top of the inner wall, a second reflecting plate is slidably mounted in the opening, and linkage mechanisms comprising rotating shafts and telescopic mechanisms are arranged on two sides of the second reflecting plate; the lower ends of the two second reflecting plates are connected with partition plates, and compartments are formed between the partition plates and the inner wall. In the invention, the noise centralized processing area is constructed through the sound insulation space and the honeycomb layer, an additional sound insulation cover is not needed, and the equipment flexibility is improved; the angle of the first reflecting plate is adjusted through the detection probe and the adjusting mechanism, the position of the second reflecting plate is synchronously adjusted through the linkage mechanism, noise is reflected into the sound insulation space to be absorbed, energy consumption is reduced, and carbon emission is reduced.

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.

The invention discloses a lightweight wall which comprises concrete, and the concrete comprises cement, water, an auxiliary cementing material, mixed synthetic fibers, mixed sand, a composite high-efficiency water reducing agent and a foaming agent. Prefabricated wire tubes, sockets and / or other embedded components are pre-installed when needed, and the wall body is produced according to specifications preset by a user.

The utility model discloses an interior decoration soundproof wall, which relates to the technical field of interior decoration and comprises a wall body, the wall body further comprises a first wall plate and a second wall plate, a plug-in fixing component is arranged between the first wall plate and the second wall plate, soundproof plates are arranged in the first wall plate and the second wall plate in an embedded manner, and the first wall plate and the second wall plate are connected through a plug-in fixing component. The first wall plate and the second wall plate are arranged on the wall body, two sound insulation plates are arranged between the first wall plate and the second wall plate, sound insulation cotton is arranged between the two sound insulation plates, a positioning assembly is further arranged between the sound insulation plates and the sound insulation cotton, and a sealing piece is arranged on at least one of the wall body and the inserting and fixing assembly. The sound insulation cotton and the sound insulation plate are conveniently and rapidly fixed; secondly, the sound insulation plates are embedded in the first wall plate and the second wall plate, so that the thickness of the wall body is reduced while the sound insulation effect is guaranteed; and thirdly, the sound insulation effect is improved by the sealing element.

Disclosed is a building enclosure structure convenient for quick folding, comprising: wall panel units; middle adapters, the middle adapters being arranged at the middle of edges of two adjacent wall panel units close to one another; and end adapters, the end adapters being provided at the ends of two adjacent wall panel units close to one another. Two sealing structures are provided inside each middle adapter along the vertical direction, and the sealing structures located at the top and bottom respectively extend upwards and downwards out of a sealing film, so that the sealing film fills the gap between two adjacent wall panel units. Two sealing structures are provided inside each end adapter along the horizontal direction, and the sealing structures located on the left side and the right side respectively extend leftwards and rightwards out of the sealing film, so that the sealing film fills the gap between the top edge or the bottom edge of the wall panel units and a wall beam. The enclosure structure greatly improves the sound insulation, water resistance and air tightness of the building structure, allowing the building structure to have a better comprehensive use experience.

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 invention relates to the technical field of building materials, and discloses a composite floor sound insulation board and a preparation method thereof, and the preparation method comprises the four core steps of base material pretreatment, honeycomb structure forming, PP non-woven fabric compounding, post-treatment and cutting. The composite floor sound insulation board prepared by the method comprises an HDPE substrate, a honeycomb structure layer, an epoxy resin adhesive layer and a PP non-woven fabric layer which are sequentially compounded. Tests show that the weighted sound insulation index is larger than or equal to 55 dB in the frequency band of 100 Hz to 5000 Hz, the heat conductivity coefficient is stabilized to be 0.028 W / mK to 0.035 W / mK, the interlayer bonding strength is larger than or equal to 1.5 MPa, the sound insulation and heat insulation performance and the structural durability are excellent, the compatibility of the preparation technology is high, and the sound insulation and heat insulation composite board is suitable for being used in the building. The technical problems that an existing floor sound insulation board is poor in preparation process stability, insufficient in product sound insulation performance, large in heat conductivity coefficient fluctuation and prone to failure of interlayer bonding can be solved, and the floor sound insulation board is suitable for large-scale production and can be widely applied to floor sound insulation projects of residences, office buildings and other buildings.