31results about How to "Good sound insulation and shock absorption" patented technology

A making method of crop straw particle board of low density without formaldehyde includes crushing, taking materials and weighting by balance, paving, stirring of spray glue, prepressing and hot-pressing of the crop straw, characterized in that: the crop straw should crush to particle state of less than or equal to 4.75mm, after calculating weight of straw particle with density of 250-400kg / m3 based on thickness of board and once machining area of apparatus, taking materials by weight of following components, the hot-pressing temperature is 130-180 DEG C, through two times of increasing and reducing press hot set from high to low, at first time the press is increased to 90-110 bar during 10 seconds, keeping for 25 seconds, then the press is reduced to 40-60 bar, then second increasing press to 80-100 bar, keeping for 30 seconds, then three times of reducing press by speed of 1-3 bar / second, at last stabilizing the press in 10-20 bar, keeping for 10 seconds. The invention settles technological problem of hot-pressing mode and material compositions of artificial plate with production density less than 400kg / m3, secondly settles technological problem of spray glue.

The invention discloses a sound insulation and vibration reduction floor which is characterized by comprising a decoration panel layer, a vibration reduction and sound absorption material layer and a first sound absorption and vibration reduction film layer arranged between the decoration panel layer and a rubber layer, wherein a second sound absorption and vibration reduction film layer is arranged below the vibration reduction and sound absorption material layer, and the decoration panel layer, the first sound absorption and vibration reduction film layer, the vibration reduction and sound absorption material layer and the second sound absorption and vibration reduction film layer are bonded into a whole through an adhesive. The sound insulation and vibration reduction floor has good sound insulation and vibration reduction effects, and is particularly suitable for being used in multi-story buildings.

The invention discloses a production method of a fireproof antitheft door. The production method comprises the following steps: shearing plates, embossing, punching, bending, acid-pickling, producing a door plate, spraying plastics, transferring, assembling and the like. The production method is simple and low in cost, the produced antitheft door can achieve the fireproof antitheft purposes, the heat-insulating, moisture regain, warpping and deformation problems can be overcome, and the produced antitheft door has good soundproof and damping elasticity, as well as properties of being heat-insulating, flame-retardant, and strong in anti-deformation capability.

The invention relates to a building material, in particular to a light steel keel and a construction wall body made of the same. The light steel keel comprises a skeleton, wherein a groove parallel to the length direction of the skeleton is formed in the skeleton, and a rubber strip is embedded into the groove. The construction wall body adopts the structure that a decorative board is posted on the two skeletons; one groove parallel to the length direction of the skeleton is formed in the skeleton, and one rubber strip is embedded into the groove. By adopting the technical scheme, the structures of both a current skeleton and a construction wall body are changed, an excellent damping and weakening effect is played in a sound wave conduction process, and the transmitting energy of the sound wave is greatly consumed; particularly, when being used as a separation wall body, compared with a separation wall body made of a common keel, the construction wall body provided by the invention has better sound proofing performance, shock resistance and compression resistance. Tests show that compared with the prior art, the effect of sound insulation in different audio regions can be obvious improved, which can reach more than 5db.

The invention discloses a high-strength lightweight environment-friendly composite board and a preparation method thereof. The high-strength lightweight environment-friendly composite board is prepared from the following raw materials in parts by weight: 30-40 parts of polyamide fiber, 6-8 parts of dispersible emulsion powder, 6-8 parts of capsular perlite, 30-40 parts of plant fiber, 5-7 parts ofantibacterial mothproof additive, 18-24 parts of inorganic phosphate adhesive, 2-4 parts of waterproof agent, 1-3 parts of silicon oxide, 10-16 parts of adhesive auxiliary, 10-12 parts of flame retardant additive, and 3-5 parts of zinc stearate. The high-strength lightweight environment-friendly composite board disclosed by the invention is light in weight, high in strength, waterproof and wearable, and has good antibacterial mothproof performance; the material is free from formaldehyde and peculiar smell, and is environmentally friendly; furthermore, the preparation method disclosed by the invention is low in cost, easy to obtain raw materials, concise in process, has higher practical value and good application prospect.

The invention discloses a sound insulation and noise reduction drainage pipe. The sound insulation and noise reduction drainage pipe is characterized by comprising drainage pipe bodies and a water pipe connecting piece, wherein the water pipe connecting piece is used for connecting and fixing the two drainage pipe bodies, each drainage pipe body comprises an outer-layer pipe body, a sound insulation pipe and an inner-layer pipe body which are sequentially arranged from outside to inside, the water pipe connecting piece comprises a fixing bearing device and a pressing device installed on the fixing bearing device, the fixing bearing device comprises a fixing plate, a supporting plate is parallel to the fixing plate, a positioning column matched with a positioning cylinder is fixed to the lower surface of the supporting plate, the positioning column is inserted into the positioning cylinder, the pressing device comprises two thread rods, the thread rods are installed on a connection barrel in a penetrating mode through second installation holes, and gears, first arc plates and second arc plates are fixed to the surfaces of the two thread rods correspondingly. By means of dual improvement for the drainage pipe bodies and the water pipe connecting piece, the drainage pipe has the excellent sound insulation and noise reduction effect.

The invention provides a building ground lightweight dry mixed material, and a preparation and an application method thereof. The building ground lightweight dry mixed material comprises aggregates and powder, the aggregates are polystyrene foam particles, and the powder comprises cement, and also comprises one or more of sands, a mineral admixture and an additive. The building ground lightweight dry mixed material has the advantages of simple components, easily available raw materials, and light weight. The building ground lightweight dry mixed material can be used to construct ground cushions or ground slope making layers, and the obtained ground cushions or ground slope making layers have the advantages of light weight, shock resistance, heat insulation, sound insulation and stability.

The invention discloses high-strength edge folding glue which comprises the following components in mass percent: 22-27 percent of bisphenol-A epoxy resin, 16-20 percent of nitrile carboxylic rubber modified epoxy resin, 11-14 percent of PU, 4-5 percent of dicyandiamide, 0.8-1.1 percent of a low-temperature promoter, 1.5-2 percent of fumed silica, 8-10 percent of ground calcium carbonate, 8-10 percent of wollastonite, 10-13 percent of barium sulfate, 3-3.3 percent of glass beads, 0.3-0.5 percent of carbon black, 2.2-2.8 percent of calcium oxide, 0.1-0.15 percent of a coupling reagent and 4-5 percent of a diluent. According to the technical scheme disclosed by the invention, from the aspects of the bonding performance of the high-strength edge folding glue with a steel plate and the improvement on the strength of cured products, the effects of facilitating the painting on the steel plate, insulating sound, absorbing shock and effectively enhancing the strength are achieved.

The invention discloses an air suction corrugated pipe for a compressor. The air suction corrugated pipe comprises, by weight, 70-80 parts of ethylene propylene diene monomer rubber, 20-30 parts of butyl rubber, 4-8 parts of activating agents, 2-4 parts of anti-aging agents, 20-30 parts of carbon black, 12-16 parts of vulcanizing agents, 4-6 parts of plasticizers, 6-10 parts of nano-zinc oxide, 2-4 parts of coupling agents, 4-6 parts of zinc methacrylate, 5-8 parts of coumarone resin and 6-12 parts of pottery clay. The coupling agents, the nano-zinc oxide and the zinc methacrylate are added, inorganic fillers are uniformly dispersed inside the rubber, so that rubber materials have good shock absorption property, weather resistance and durability, mechanical-physical properties and the aging resistance of the rubber materials can be improved by the coumarone resin, sulfur can be dissolved, dispersion of the sulfur and the carbon black is facilitated, scorching is prevented, and product quality is good. The corrugated pipe has good high-temperature resistance, low-temperature resistance, weather resistance, sealability and mechanical property and is superior in shock resistance, good in sound absorption effect and long in service life.

The invention discloses a centrifugal machine for teaching experiments. The centrifugal machine comprises an outer shell. The inner bottom of the outer shell is provided with a first motor. The motor is provided with a container which can store solid particles or liquids and mixture of the liquids. The upper surface of the outer shell is provided with a cover. The centrifugal machine is characterized in that a fast clamping connecting mechanism which can enable the cover to be fast installed on the outer shell is arranged between the cover and the outer shell. The centrifugal machine is simple in operation, small in size and convenient to carry, experiments can be directly conducted in the teaching process, the centrifugal machine is not used in a laboratory, through the fast clamping connecting mechanism, the cover can be fast installed on the outer shell, the leakproofness is good, installing is convenient, the sound insulation and damping effects are good, and the liquids can not be spilt in the using process.

The invention relates to a vacuum shock-absorbing plate for absorbing range-hood smoke, and a range hood bellows employing the same, and the vacuum shock-absorbing plate and the range hood bellows are used in a kitchen range hood. The vacuum shock-absorbing plate of the range hood is characterized by comprising an interior plate, a support member and an exterior plate; the shock-absorbing plate with an interval space is formed by mutual encapsulating of the interior plate and the exterior plate; the interval space between the interior plate and the exterior plate forms a sealed vacuum chamber; and support members are disposed between the interior plate and the exterior plate for supporting. The vacuum shock-absorbing plate can be used as a sound-insulating shock-absorbing plate; the vacuum shock-absorbing plate helps to effectively reduce vibration and noise of the bellows when applied to the range hood bellows; and also the vacuum shock-absorbing plate has the advantages of simple structure, good sound insulation and shock absorption effects, long service life and the like.

The invention discloses a sound insulation and shock absorption floor slab, relates to the technical field of prefabricated parts and aims at solving the technical problem of poor shock absorption effect. According to the technical scheme, the sound insulation and shock absorption floor slab is characterized in that a slab body comprises a fixed plate and a movable plate, wherein an containing hole is arranged in the top wall of the fixed plate; the movable plate is inserted into the containing hole; a rubber mat is arranged between the bottom wall of the movable plate and the bottom of the containing hole; the top wall and the bottom wall of the rubber mat abut against the bottom wall of the movable plate and the bottom of the containing hole respectively; and sound insulation cotton is arranged inside the fixed plate and arranged below the containing hole. The rubber mat is used for supporting the movable plate, so that vibration generated by the movable plate can be absorbed by therubber mat to a certain extent; and during a process of transmitting the vibration to the fixed plate by the rubber mat, the vibration sense is obviously weakened, so that the shock absorption effectof the slab body is achieved.

The invention discloses a mounting structure for a sound insulation board. The mounting structure comprises a putty layer, a sound insulation cotton layer, a silica gel layer, a gypsum layer and a fireproof sound insulation board, wherein the surface of a cement wall body is coated with the putty layer; the sound insulation cotton layer is arranged on the surface of the putty layer; the silica gellayer is arranged on the surface of the sound insulation cotton layer; the gypsum layer is arranged on the surface of the silica gel layer; the fireproof sound insulation board is paved on the surface of the gypsum layer; the gypsum layer is provided with a plurality of through holes, and hole slots are formed in one surface, facing towards the gypsum layer, of the fireproof sound insulation board; the through holes directly face towards the hole slots, and the through holes and the hole slots are filled with damping materials; and sound absorbing holes are formed in the outer surface of thefireproof sound insulation board and staggered from the hole slots. The mounting structure has good sound-insulation and damping effects, is thinner than existing sound insulation structures, occupiesa small space area and can meet the use requirements of customers, the life quality of people is improved, and meanwhile, the mounting structure has certain fireproof and thermal-insulation functions.

The invention relates to a generator set telescopic mute damping box body and belongs to the field of sound insulation, noise reduction and damping. A transverse bracket comprises a left side bracketand a right side bracket; rails arranged on the left side bracket and the right side bracket separately are correspondingly arranged left and right; a mute box body assembly is arranged on a main frame in a matched manner and comprises a plurality of stages of independent mute box bodies; every two adjacent mute box bodies are mounted together in a sleeving manner; the mute box bodies are gradually enlarged from inside to outside and are matched with a plurality of groups of rails in one-to-one correspondence; and a mute door body is arranged on the outer side of the mute box body on the outermost side. Through the freely telescopic box body, the noise reduction treatment can be realized when the generator sets with different sizes work, and a damping and noise reducing device at the bottom of the generator set is cooperated to thoroughly eliminate the noise and vibration generated when the generator set works, so that a comfortable and quiet working environment is further provided andthe safety of a user is ensured.

The invention discloses a double-layer steel plate reinforcing adhesive which consists of an upper-layer steel plate reinforcing adhesive and a lower-layer steel plate reinforcing adhesive. The double-layer steel plate reinforcing adhesive is particularly coated on fragile parts of a steel plate of an automobile body, and has the functions of insulating sound, damping and reinforcing the strength of the steel plate. According to the technical scheme of the invention, from the view of improving the adhesion property, the shrinkage of a cured product and the like, the effects of coating the steel plate, insulating the sound, damping and effectively improving the strength of the steel plate are achieved.

The invention discloses an oil-immersed shunt reactor which comprises an oil tank storing insulating oil and three shunt reactor units, a cooling device is arranged on the oil tank, the cooling device comprises an oil pump assembly and an annular cooling groove, and the interior of the oil tank is divided into a main oil cavity and an auxiliary oil cavity by arranging a partition plate. An electric reactor unit and an oil pump assembly are installed in the main oil cavity and the auxiliary oil cavity respectively, the oil pump assembly comprises an oil conveying plate and a gear pump, an outer annular heat dissipation baffle and an inner annular heat dissipation baffle are arranged in the annular cooling groove, and a zigzag cooling channel is formed between the outer annular heat dissipation baffle and the inner annular heat dissipation baffle. The oil-immersed shunt reactor is reasonable in design, insulating oil circularly flowing between the oil tank and the annular cooling groove is used for rapidly taking away heat generated by the reactor body, heat dissipation structures such as the outer annular heat dissipation baffles are matched to accelerate the heat dissipation effect and improve the heat dissipation efficiency, the oil-immersed shunt reactor has good sound insulation and shock absorption performance, the oil-immersed shunt reactor is not prone to damage, and the service life of the oil-immersed shunt reactor is prolonged. And the service life of the reactor is prolonged.

The invention relates to the technical field of felt manufacturing process, in particular to a technology for manufacturing equal-density and unequal-thickness felt. The technology includes the first step of primary forming, wherein a primary forming mould and a shaping mould are manufactured according to the shape of an automobile floor, raw materials for manufacturing the felt are evenly mixed, then the evenly mixed raw materials are sprayed onto the primary forming mould, vacuum adsorption holes are formed in the primary forming mould, the raw materials are arranged on the primary forming mould through vacuum adsorption, high-temperature steam is introduced into the primary forming mould, the raw materials are softened under the action of high-temperature steam, the primary forming mould is assembled, and the softened raw materials are primarily formed into felt in a required shape; the second step of shaping. The primary forming mould and the shaping mould are manufactured according to the shape of the automobile floor, and the formed felt is equal in density and unequal in thickness, is perfectly attached to the corresponding automobile floor, and is flat and smooth in surface and excellent in sound isolation and shock absorption performance; smell meets the standards, the whole process is high in automation degree, and work efficiency is greatly improved.

The invention discloses a sound insulation cushion which comprises an upper load-supporting seat, an elastic body, fiber cotton batting and a lower load-supporting seat and takes the fiber cotton batting and the elastic body as a sound insulation cushion body. A load-supporting spring on a vehicle transfers load to the upper load-supporting seat, the upper load-supporting seat divides the load into two paths and transfers the load, one path of the load is transferred to the elastic body, the other path of the load is transferred to the fiber cotton batting, and the lower load-supporting seat receives the load transferred from the elastic body and the fiber cotton batting. According to the sound insulation cushion, the elastic body and the fiber cotton batting parallelly bear all load force. The elastic body shares part of the load force, the fiber cotton batting no longer deforms when the load force shared by the elastic body and load force for continuing deformation of the fiber cotton batting are balanced, so that the whole sound insulation cushion can bear large load force and can also effectively function in sound insulation and cushioning.

The invention discloses a turnout junction explosion hardening device which comprises an explosion tank, wherein the explosion tank is a sealed explosion tank; an explosion platform for placing a turnout junction is arranged in the sealed explosion tank; the turnout junction is placed or fixed onto the explosion platform in the sealed explosion tank for detonating; a sealing door capable of opening and closing is arranged on the tank body of the explosion tank; a sealed buffer cavity which is connected with the tank body is arranged outside the sealing door; and a buffer door which is aligned to the sealing door is arranged on the cavity wall of the buffer cavity. According to the turnout junction explosion hardening device, the sealed explosion tank body is used to prevent dust dispersion and waste gas pollution; the sealing door is arranged on the tank body, and the buffer cavity is arranged outside the sealing door, so that vibration impact and noises are reduced in a facilitated mode; a cantilever trolley is arranged outside the explosion tank, and the cantilever trolley is provided with a double-lifting trolley, so that the turnout junction explosion hardening device can be regulated according to turnout junctions of different dimensions, and is flexible and convenient; a gas inlet valve and a gas vent vale are arranged on the explosion tank for exhausting waste gas and dust out of the explosion tank, so that the waste gas and the dust can be conveniently collected for being processed in a centralized mode. The turnout junction explosion hardening device is obvious in sound-proof and damping effect, and is small in influence on the external environment.

The invention discloses a buckle plate. The buckle plate comprises base plates which are arranged at intervals and a plurality of separation plates which are inclined or perpendicular to the base plates and protrude out of the outer sides of the base plates, wherein the separation plates and the base plates define a plurality of separated cavities, the parts, protruding out the same side of the base plates, of the separation plates form separation grooves, and two ends of each separation plate are respectively provided with a connection toothed plate which is inclined or vertical to the separation plate and protrudes out of two sides of the separation plate. The invention also discloses a sound insulation and heat insulation structure utilizing the buckle plate for a building. The sound insulation and heat insulation structure utilizing the buckle plate for the building comprises a concrete layer, a plastering layer and the integrally molded buckle plate which is arranged between the concrete layer and the plastering layer, wherein the separation grooves of the buckle plate are respectively filled with concrete and plasterer. The buckle plate is simple in structure and can enable a floor slab to achieve better soundproof and heat insulating effects after being applied to the building. The sound insulation and heat insulation structure utilizing the buckle plate for the building is good in sound insulation and heat insulation effect; the concrete layer is closely connected with the plastering layer by virtue of the mechanical occlusion effect of the buckle plate.

The invention discloses a sound insulation and heat preservation structure for walls. The sound insulation and heat preservation structure comprises a putty layer, a sound insulation cotton layer, a silica gel layer, a gypsum layer and a fireproof acoustic panel, wherein the putty layer is coated on the surface of a cement wall; the sound insulation cotton layer is arranged on the surface of the putty layer; the silica gel layer is arranged on the surface of the sound insulation cotton layer; the gypsum layer is arranged on the surface of the silica gel layer; the fireproof acoustic panel is laid on the surface of the gypsum layer; a plurality of through holes are formed in the gypsum layer; hole grooves are formed in one side, which faces the gypsum layer, of the fireproof acoustic panel;the through holes are aligned at the hole grooves; and the through holes and the hole grooves are filled with vibration-absorptive materials. The sound insulation and heat preservation structure forwalls, disclosed by the invention, has excellent sound insulation and shock absorption effects, has a smaller thickness compared with the conventional sound insulation structure, is small in occupiedspace area, meets service requirements of customers, improves the living quality and has certain fire prevention and heat insulation effects.

The invention belongs to the technical field of automobile glass, and discloses an intelligent automobile glass. The intelligent automobile glass comprises a first laminated glass layer, a hollow layer and a second laminated glass layer, the hollow layer is composed of a cavity formed by the first laminated glass layer, a spacer and the second laminated glass layer and gas filled in the cavity, and the spacer, the first laminated glass layer and the second laminated glass layer are bonded and sealed through sealant; a transparent graphene electrothermal film is arranged on the side surface, close to the hollow layer, of the first laminated glass layer; and a photochromic film is arranged on the upper portion of the face, close to the hollow layer, of the second laminated glass layer, and an antireflection film is arranged on the lower portion of the other face of the second laminated glass layer. The automobile glass has good visible light permeability, heat insulation, sound insulation, noise reduction and anti-condensation performance, can intelligently adjust light rays and perform electric heating defrosting, is safe and energy-saving, effectively prevents glass reflection virtual images, is particularly suitable for new energy automobile front windshields, and has wide market prospects.

The invention discloses a buckle plate. The buckle plate comprises base plates which are arranged at intervals and a plurality of separation plates which are inclined or perpendicular to the base plates and protrude out of the outer sides of the base plates, wherein the separation plates and the base plates define a plurality of separated cavities, the parts, protruding out the same side of the base plates, of the separation plates form separation grooves, and two ends of each separation plate are respectively provided with a connection toothed plate which is inclined or vertical to the separation plate and protrudes out of two sides of the separation plate. The invention also discloses a sound insulation and heat insulation structure utilizing the buckle plate for a building. The sound insulation and heat insulation structure utilizing the buckle plate for the building comprises a concrete layer, a plastering layer and the integrally molded buckle plate which is arranged between the concrete layer and the plastering layer, wherein the separation grooves of the buckle plate are respectively filled with concrete and plasterer. The buckle plate is simple in structure and can enable a floor slab to achieve better soundproof and heat insulating effects after being applied to the building. The sound insulation and heat insulation structure utilizing the buckle plate for the building is good in sound insulation and heat insulation effect; the concrete layer is closely connected with the plastering layer by virtue of the mechanical occlusion effect of the buckle plate.

The invention discloses a preparation method of a building sound insulation material. The preparation method comprises the following steps of preparing a honeycomb-shaped base plate; pouring foaming materials into small holes in the base plate; grinding the foaming materials on the surface of the base plate; smearing gel on the two faces of the base plate; adhering two elastic bodies to the surface of the gel; and sequentially binding sound absorption layers, cellucotton layers and outer base layers to the surfaces of the elastic bodies through adhesives. According to the method, by arrangingthe honeycomb-shaped base plate, the foaming materials, the two elastic bodies, the sound absorption layers, the cellucotton layers and the like, the good sound insulation and shock absorption effectscan be achieved.