2334 results about "Acoustic insulation" patented technology

The invention discloses a high-weatherability sound insulation wood plastic wallboard and a preparation method thereof, the high-weatherability sound insulation wood plastic wallboard comprises the following raw materials by weight: 30-40 parts of wood flour or plant fiber, 25-35 parts of a sound insulation functional filler, 35-45 parts of high density polyethylene, 2-2.5 parts of maleic anhydride grafted high density polyethylene, 1-1.5 parts of stearic acid, 3-4.5 parts of a weatherability auxiliary agent, and 1-1.5 parts of azodicarbonamide. The problems of cracking, deformation and the like caused by moisture absorption expansion are relieved by optimizing the proportion and compatibility of the wood flour and the plastic, and then the problems of weather resistance and sound insulation of the wallboard outdoors are solved by filling the porous sound absorption material.

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.

The utility model discloses a high-strength assembly type building wallboard, which relates to the technical field of building wallboards, and comprises wallboard main bodies, a splicing frame is arranged between the two wallboard main bodies, the left side and the right side of the splicing frame are respectively provided with an assembly sliding groove, and the left side and the right side of each wallboard main body are respectively and fixedly connected with an assembly sliding plate. According to the utility model, the assembling sliding plate slides downwards and is inserted along the assembling sliding groove, so that the two wallboard main bodies and the splicing frame are spliced together, then cement can be injected into the formed pouring cavity, then the cover plate covers the top of the splicing frame, and after the cement is dry and hard, the assembling is completed; cement pouring can be used for filling gaps at the connecting positions to form an integral structure, loads can be effectively dispersed, shearing force can be effectively resisted, the bonding strength of cement is high, firm connection between the two wallboard bodies and the splicing frame can be ensured, and therefore the strength and the sound insulation and heat preservation effect after the wallboard bodies are assembled are improved.

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.

The invention relates to the technical field of sound insulation materials, in particular to flame-retardant epoxy resin composite diatomite sound insulation cotton and a preparation method thereof. The flame-retardant epoxy resin composite diatomite sound insulation cotton is prepared from epoxy resin, diatomite, a composite flame retardant, a coupling agent, a curing agent, a diluent, a foaming agent and a charring agent. The composite flame retardant at least comprises ammonium polyphosphate and melamine; the coupling agent is a silane coupling agent or a titanate coupling agent; the curing agent is methyl tetrahydrophthalic anhydride; the diluent is n-butyl glycidyl ether; the foaming agent is azodicarbonamide; the charring agent is pentaerythritol. By optimizing the diatomite modification process and combining physical dispersion and chemical modification means, the compatibility of the diatomite and the epoxy resin is greatly improved, the pain point of filler agglomeration in the traditional process is thoroughly solved, the porous sound insulation potential of the diatomite is fully released, and the sound absorption and sound insulation performance of the material is qualitatively improved.

The invention relates to the technical field of multi-layer material preparation, in particular to a high-light-transmittance weather-proof impact-resistant striped sound insulation board. The problem that transparency, weather resistance and sound insulation effect of a traditional stripe material are difficult to consider at the same time is solved. The light scattering and absorption center is reduced and high transparency and low haze are realized through reactive extrusion of the recycled material, combination of high-temperature adsorption activated carbon, multi-stage high vacuum and deep purification of a reactive decolorizing agent, and matching of transparent dispersion diffusion master batch and a compatilizer. The surface layer adopts the core-shell weather-resistant master batch and the secondary high-energy UV fluorosilicone curing coating for double shielding of ultraviolet and inhibition of photodegradation and yellowing; styrene-maleic anhydride damping resin is introduced into the middle layer, and uniform inclined micropores and asymmetric stripes formed by supercritical CO2 are combined, so that the medium and low frequency sound insulation index is improved; the bottom layer is repaired and guaranteed to be durable in impact resistance by virtue of a core-shell toughening agent and molecular chain extension; the defects of traditional products are overcome, and the service life requirement of sound barriers for expressways and rail transit is met.

The utility model discloses a noise reduction structure, a vibration assembly and a vehicle, and the noise reduction structure is used for being attached to the surface of a housing of a component with vibration excitation and comprises multiple layers of metal sheets; the number of the damping layers is multiple, and the multiple damping layers and the multiple metal sheets are arranged in a stacked mode. According to the noise reduction structure, the plurality of metal sheets and the plurality of damping layers are arranged and attached to the surface of the component with vibration excitation, so that the metal sheets and the damping layers are combined, the noise reduction structure has sound absorption, sound insulation and vibration reduction performance, and the effect of reducing radiation noise of the shell can be achieved; and the original part structure and material with a vibration source do not need to be changed.

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.

Sound insulation assemblies for use with waste disposers, waste disposer systems having such sound insulation assemblies, and methods of installing such sound insulation assemblies onto waste disposers are provided. The sound insulation assemblies include a sound insulation layer that wraps around an upper portion of the waste disposer housing encompassing at least a grinding section and a food inlet section of the waste disposer, and a sound insulation trim shell layer that attaches to the sound insulation layer and surrounds at least a portion of the sound insulation layer.

The invention discloses a high-performance water-based sound insulation, noise reduction and weight reduction coating applied to rail transit large vehicles and a preparation method of the high-performance water-based sound insulation, noise reduction and weight reduction coating, and belongs to the technical field of water-based coatings. Comprising the following components in parts by weight: 45-65 parts of resin liquid, 35-55 parts of grinding slurry and 15-25 parts of expanded microsphere dispersion liquid, the resin liquid mainly comprises a hydroxyl acrylic acid dispersion, the grinding slurry is mainly a mixture composed of a filler and water, and by adding the expanded microspheres and selecting the resin and the filler, the sound insulation and noise reduction performance and the weight reduction performance of the coating are effectively improved.

The invention relates to the technical field of gypsum boards, and particularly discloses a gypsum plaster board and a production process thereof. The invention relates to a gypsum plaster board, which comprises a board core and surface protection paper adhered to the two surfaces of the board core, and the board core comprises the following raw materials: 80-120 parts of gypsum clinker; 5 to 15 parts of vermiculite powder; 5-10 parts of modified elastic microspheres; 6-12 parts of porous soundproof mineral particles; 3-7 parts of glass fiber; 5 to 10 parts of silicon dioxide aerogel particles; 3-7 parts of aluminum hydroxide micro powder; 2 to 5 parts of acrylate emulsion; 2-5 parts of talcum powder; 0.5-2 parts of a water reducing agent; 30 to 50 parts of water; the modified elastic microspheres are nitrile rubber microspheres coated with an ethylene-vinyl acetate copolymer. According to the gypsum plaster board, the modified elastic microspheres and the porous sound insulation mineral particles are introduced to cooperate with other raw materials, so that the anti-cracking performance and the sound insulation performance of the gypsum plaster board are effectively improved.

The utility model relates to the technical field of motors, in particular to a non-inductive motor, which comprises a rear shell. The front shell is arranged on one side of the rear shell; the first frame body is movably installed in the rear shell, and the surface of the first frame body is sleeved with first sound insulation cotton; the second frame body is movably installed in the front shell, and the surface of the second frame body is sleeved with second sound insulation cotton; the inserting plate is fixedly connected to the outer sides of the first frame body and the second frame body; the installation plate is fixedly connected to one side of the rear shell and one side of the front shell, a sliding groove is formed in the installation plate, the first frame body is pressed and rotated to enable the insertion plate to be separated from the insertion groove and slide in the sliding groove, and the first frame body can be taken out from the rear shell in cooperation with the push plate and the reset spring; therefore, the first sound insulation cotton arranged on the surface of the first frame body in a sleeving mode can be independently replaced, the sound insulation effect on the non-inductive motor is guaranteed, and the replacement steps of the second sound insulation cotton are similar to the above steps, so that the steps are not repeated here.

The application discloses a construction method of a high sound insulation wall body, and the construction standard is specified through unified and strict construction steps, the construction process is simple and easy to understand, standardized construction can be implemented, construction efficiency and construction quality are improved, sound insulation quality of the sound insulation wall body is ensured, on-site management is facilitated, the construction steps and the process can be unified, in the batch construction process, consumption materials can be saved to the maximum extent, the air sound insulation of the wall body can be improved to above 51 dB, low-frequency pipeline noise and high-frequency conversation sound can be effectively insulated, and a quiet environment is provided for hotels, residences, office spaces and the like, and the industry pain point of poor sound insulation of traditional wall bodies is solved.

The invention relates to the technical field of containers, in particular to a composite board for a commercial container and a preparation method of the composite board. The composite board comprises a composite base body, a metal surface layer and a bottom layer, the composite base body is composed of a sandwich structure and side baffles adhered to the two sides of the sandwich structure in the width direction, the sandwich structure is formed by sequentially compounding and adhering an upper reinforcing layer, a core layer and a lower reinforcing layer, and an embedding groove matched with the bottom layer is formed in the lower surface, away from the core layer, of the lower reinforcing layer. The metal surface layer wraps the composite base body in a semi-surrounding mode, the metal surface layer is connected with the composite base body in an adhesive mode, and the bottom layer is adhered to the embedding groove and presses and covers the wing edge of the metal surface layer. By means of material innovation, structure optimization and process improvement, sound insulation, heat preservation, light weight and comprehensive performance are remarkably improved, a high-performance and sustainable board solution is provided for commercial containers, and split type modular buildings are promoted to develop to the higher level.

This utility model relates to the field of noise reduction technology for heat pump units, and discloses a noise reduction room for an air-cooled heat pump unit. The room includes a main body, an opening, an air inlet duct, an air outlet duct, a unit platform, an air inlet silencer, an air outlet silencer, a fan, and a mounting cover. The main body of the room is recessed into the ground, with its top horizontal to the ground. The unit platform is horizontally positioned on the ground of the main body. An opening is located at the top of the main body, covered by a mounting cover. An air inlet duct is vertically positioned at one end of the main body, and an air outlet duct is vertically positioned at the other end. The heat pump unit is fixedly mounted on the unit platform. An air inlet silencer is installed in the air inlet duct, and an air outlet silencer is installed in the air outlet duct. The fan is also fixed in the air outlet duct, located below the air outlet silencer. The inner walls and top of the main body are covered with a layer of noise reduction panels. This utility model uses a recessed ground-mounted layout, resulting in good sound insulation and noise reduction effects with minimal impact on the landscape.

The utility model relates to the technical field of los angeles abrasion tester, specifically relates to a los angeles abrasion tester with noise reduction function, including base, the gearbox of setting on the base, two support frames and the drum of rotating control through gearbox, the drum includes inner tube and outer tube, the inner tube is polyurethane rubber material, and the inner tube and outer tube form the sound insulation cavity of sealing, and the cavity is filled with sound absorption cotton, and the lower portion of drum is equipped with screen frame, and the both ends of screen frame are rotatably installed on the corresponding pivot, the double -deck structure of inner tube and outer tube is used to the drum, and fills sound absorption cotton, and can effectively absorb the noise of the collision of sample and cylinder wall, the polyurethane rubber material can reduce the rigid impact of sample collision, reduce noise from the source, solve the problem that the traditional equipment is running noisy, the both ends of screen frame are rotatably installed on the pivot, and reciprocating swing along the pivot of screen frame can be controlled through the handle, realize the quick separation of coarse and fine aggregate, need not extra carry material and carry out screening, reduce the artificial labor intensity.

sound insulation insert (10), which is designed in particular for the interior noise reduction of a residential ventilation system that can be installed in a wall opening and has at least one axial fan having a central motor hub, wherein the sound-insulating insert (10) is made essentially of an acoustically absorbing material at least on its surfaces in contact with the airflow, and wherein the sound-insulating insert (10) has an annular outer element (12) for insertion into a wall penetration duct, wherein the sound-insulating insert (10) has an inner element (14) in an area which, in the mounted position, adjoins the motor hub of the at least one axial fan in the residential ventilation system, which is connected to the outer element (12) via at least one web (16a-c), so that an annular gap-shaped passage for the airflow is formed between the outer and inner elements, which passes through the at least one The bridge (16a-c) is divided into sections (18a-c), characterized by the fact that the outer element (12), which includes at least one web (16a-c) and the inner element (14) are made of an acoustically absorbing rigid or soft foam material, in particular a melamine resin foam.

This utility model discloses a sound insulation test bench for passenger compartment doors, relating to the technical field of sound insulation test benches. It includes a base plate, on the upper side of which a soundproof cover is mounted. The soundproof cover has a mounting frame groove on its side. Two soundproof panels and a soundproof frame are slidably fitted onto the inner walls and top wall of the mounting frame groove, respectively. An adjustment assembly is provided between the soundproof frame and the two soundproof panels and the soundproof cover. A fixing frame is installed between the soundproof frame and the two soundproof panels. The passenger compartment door body is mounted on the inner wall of the fixing frame. A disassembly assembly is provided between the fixing frame and the two soundproof panels. By adjusting the first servo motor, the second servo motor drive gear, and the bidirectional threaded rod in the adjustment assembly, the positions of the soundproof panels and the soundproof frame can be flexibly adjusted to accommodate passenger compartment door bodies of different sizes. The disassembly assembly allows for quick disassembly of the fixing frame and the passenger compartment door body, saving time and manpower compared to the traditional method of extensive bolt installation.

The present application relates to the technical field of functional materials for laminated glass, and particularly relates to a multifunctional PVB interlayer for laminated glass, a preparation method and application thereof. In the interlayer, the first skin layer and the second skin layer respectively comprise PVB resin, modified LaB6, synergistic stabilizer (epoxy resin, organic titanium chelating agent and ultraviolet stabilizer), plasticizer, adhesion regulator and antioxidant; the core layer comprises PVB elastomer mixture and plasticizer, and the PVB elastomer mixture comprises PVB elastomer prepared from first PVA (polymerization degree 1700-1800, alcoholysis degree 86-90%) and PVB elastomer prepared from second PVA (polymerization degree 2000-2100, alcoholysis degree 86-90%); the thickness of the skin layer is greater than that of the core layer, and the content of the plasticizer in the skin layer is less than that in the core layer. Through synergistic design of the three-layer composite structure, the present application realizes high integration of infrared blocking, anti-aging, strong adhesion and high-efficiency sound insulation functions.

The invention belongs to the technical field of polymeric membrane composite glass, and discloses a preparation method and application of polymeric membrane composite glass, the polymeric membrane composite glass comprises a first glass layer, a second glass layer and an EVA composite membrane located between the two glass layers, the EVA composite membrane contains nano metal oxide particles, and the nano metal oxide particles contain nano metal oxide particles. The nano metal oxide particles comprise cerium oxide, tungsten oxide, titanium oxide and yttrium oxide. The middle layer of the EVA composite film of the polymeric film composite glass additionally comprises nano metal oxide particles, tungsten oxide absorbs near-infrared heat radiation, titanium oxide reflects infrared light, cerium oxide and yttrium oxide can absorb ultraviolet light, and the heat insulation performance is excellent; according to the present invention, with the nano-metal oxide particles, the tungsten oxide, the tin oxide and other nano-oxide particles, the elastic modulus, the density and the viscosity of the EVA are increased, the sound wave conduction path is effectively blocked, the sound insulation and noise reduction performance is excellent, the nano-metal oxide particles can improve the interface bonding strength of the EVA composite film and the glass layer, and the safety performance is high.

1. Name of the product in this design: Earplugs. 2. Purpose of this design: for sound insulation and noise reduction. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 combined state diagram. 5. Design 1 is designated as the basic design.

The present invention provides a high-pressure foaming system for the inside of a tire, wherein the high-pressure foaming system, while continuously loading and unloading tires, automatically and uniformly injects a high-pressure mixture of raw materials into the tires to effectively and continuously produce tires with sound insulation and sound absorption effects. The high-pressure foaming system includes: a loading conveyor on which tires are placed upright from the outside and continuously conveyed in a straight line toward a supply path; a rotary table which is arranged in a perpendicular direction so as to correspond to the end of the loading conveyor, and which rotates individual tires in a locked and fixed state and drives the tires to repeatedly rotate by a set operation angle; an unloading conveyor which is disposed spaced apart from the loading conveyor with respect to the rotary table and on which the tires that have passed through the rotary table are placed upright and then continuously conveyed in a straight line toward a discharge path; a switching conveyance gripper which is installed between the loading conveyor and the unloading conveyor so as to correspond to the rotary table and can grip and then pick up and convey tires, and which drives the supply and discharge of tires toward the rotary table; and a high-pressure foaming device which is disposed on the opposite side of the rotary table to the switching conveyance gripper, and foams a mixed primer at high pressure inside the tires fixed on the rotary table.

The utility model provides door bottom sound insulation sealing device belongs to door and window sealing technical field, the utility model provides door bottom sound insulation sealing device includes fixed base, sealing structure and lift adjusting assembly. The sealing structure is embedded in the fixed base, sealing structure can move up and down along the height direction of fixed base, and sealing structure is connected with lift adjusting assembly. When the press end of lift adjusting assembly is pressed, make the sealing structure move to the outside of opening cavity with the push part, thereby lift the sealing structure out of the outside of fixed base, the sealing structure fills the gap between the bottom of sound insulation door or sound insulation window and outer frame, thereby reaches the sealing sound insulation effect, and sealing structure sets up in the opening cavity, therefore when the sealing strip is aged, only need to replace sealing structure can solve the technical problem that the sealing strip aging leads to the poor sound insulation effect.

The utility model belongs to the technical field of pipeline silencing, and particularly relates to a silencing device for spring water direct drinking project construction, which comprises a water inlet pipe, a water outlet pipe, a first water delivery pipe, a spiral guide layer, a second water delivery pipe and a silencing layer, multiple groups of silencing holes are formed in the first water conveying pipe in the water flow impact direction, the spiral guide layer is fixedly arranged between the first water conveying pipe and the second water conveying pipe, and the silencing layer detachably sleeves the second water conveying pipe; the sound insulation device has the advantages that impact of water flow on the water conveying pipelines is reduced, the sound insulation effect is enhanced, and troubles of life noise on residents are relieved.

The utility model relates to a kind of guest room layer backwater circulating water pump noise isolation device, including base, enclosure and top plate, detachably connect between base top and the bottom of enclosure, between the top of enclosure and the bottom of top plate, the circulating water pump to be soundproof is stored in the sealed space formed by the enclosure of base, enclosure and top plate, the left and right sides of enclosure and the top of top plate are respectively provided with the through opening of the pipeline inlet and outlet for circulating water pump connection, detachably connected with sealing cover on through opening, the inside of base, enclosure, top plate and sealing cover is equipped with sound insulation layer;Base top is equipped with heat exchange component, heat exchange component is located in the sealed space formed by the enclosure of base, enclosure and top plate, base bottom is equipped with water storage tank, and water storage tank is communicated with heat exchange component.

The utility model relates to automatic polishing technical field discloses an automatic polishing device with intelligent mechanical arm, including the loading frame and the sound insulation isolation cover, the inside connection of loading frame is provided with the support frame, and the support frame bottom end connection is provided with servo motor, servo motor output end connection is provided with the traction mechanism, and the traction mechanism one side connection is provided with electric guide rail, electric guide rail mobile end connection is provided with the connecting base. The utility model discloses through the traction mechanism and electric guide rail increase the range of motion of mechanical arm, can directly carry out polishing work after grabbing the board through the sucking disc jaw, reduces the superfluous step, and the automatic feeding and discharging and automatic polishing, through two polishing mechanisms can polish the two sides of one side of the board simultaneously, effectively promotes the work efficiency, through the setting of processing bin and dust collecting bin, can effectively reduce the flying of the chippings, through the cooperation of air pump and filter screen and collect the chippings to dust collecting bin, reduce the pollution to the environment.

The utility model provides a kind of sound insulation and noise reduction composite air pipe structure, it is related to composite air pipe technical field, including composite air pipe assembly, sound insulation component is provided on the composite air pipe assembly, the side of the composite air pipe assembly is provided with mounting assembly, the composite air pipe assembly includes air pipe main body and protective support cover.The utility model is by sound absorption box and is set in the inside of air pipe main body, cooperate sound absorption hole is favorable to absorb part noise, in turn is favorable to weaken part noise, by sound insulation board and is set in the outside of air pipe main body, it is favorable to further weaken noise, reduce its diffusion to outside, by both part is favorable to realize sound insulation and noise reduction, reduce noise transmission to external environment, in turn reduce noise pollution, by the outside of protective support cover is provided with buffer pad, it is favorable to absorb part vibration when air pipe main body operates, reduce vibration diffusion to building structure by support.

The utility model relates to the technical field of entrance doors, in particular to a sound insulation entrance door which comprises a door frame, a door body is connected to the inner side of the door frame through hinges, a door closer is fixed to the inner side of the door frame through screws, and the end, away from the door frame, of the door closer is connected with the inner side of the door body through screws. A sound insulation layer A for improving the sound insulation performance of the door body is fixed into the door body through screws, a sound insulation layer B is glued to one side of the sound insulation layer A, a sound insulation layer C is bonded to the side, away from the sound insulation layer A, of the sound insulation layer B, a flame-retardant layer B for improving the flame-retardant performance of the door body is fixed to the outer side of the sound insulation layer C through screws, and a flame-retardant layer A is bonded to the end, away from the sound insulation layer C, of the flame-retardant layer B; through the arrangement of the sound insulation layer A, the sound insulation layer B, the sound insulation layer C, the flame retardant layer A, the flame retardant layer B, the door closer, the damping spring, the supporting plate, the inner frame and the buffer groove, the problems that when an existing entrance door is used, the sound insulation and flame retardant performance of the entrance door is poor, and meanwhile the entrance door is inconvenient to protect are solved.

The utility model discloses a building sound insulation curtain wall structure, which belongs to the technical field of building curtain walls and comprises a curtain wall frame, curtain wall glass and a partition plate, the curtain wall frame is provided with front-back through vent holes distributed in a U shape, and the curtain wall glass comprises front glass and rear glass. The front glass and the rear glass are fixedly arranged on the front inner side wall and the rear inner side wall of the curtain wall frame respectively, a sound insulation hollow cavity is formed between the front glass and the rear glass, the partition plate is composed of a front partition plate and a rear partition plate which are arranged on the front outer side wall and the rear outer side wall of the curtain wall frame respectively, and the front partition plate and the rear partition plate form annular grooves used for being filled with mucilage glue on the outer side of the curtain wall frame. An inflatable sealing structure is arranged on the outer side of the curtain wall frame in a surrounding mode and located between the front partition plate and the rear partition plate, a telescopic baffle is arranged on the inner side of the front partition plate, and the ventilation holes can be blocked when the telescopic baffle stretches out. The building sound insulation curtain wall structure is good in sound insulation effect and high in installation efficiency, tedious screw assembly is not needed, and the indoor and outdoor ventilation effect can be adjusted.

The utility model discloses a detachable temporary sound insulation wall for highway safety facility engineering. The detachable temporary sound insulation wall comprises a fixing base, a sound insulation assembly and a locking assembly. The sound insulation assembly is used for isolating construction noise and comprises a fixing frame structure, a sound insulation plate is arranged on the inner side of the fixing frame structure, the fixing frame structure is connected to the top of the fixing base in a penetrating and inserting mode, a limiting piece used for splicing the sound insulation wall is arranged on the side of the fixing frame structure, and the locking assembly is connected to the side of the fixing base in a penetrating and inserting mode. The locking assembly is used for fixing the sound insulation plate; according to the sound insulation assembly fixing frame structure, the limiting pieces are arranged at the splicing positions of the sound insulation assembly fixing frame structure, and through position limitation of the limiting pieces, when the splicing positions between the sound insulation assemblies are extruded and collided by construction external force, the limiting pieces can enable the multiple sound insulation assemblies to be spliced into a whole; and the situation that the sound insulation assemblies are spliced, deviated and staggered due to external force collision, and overall wall sound insulation is affected is avoided.