142results about How to "Play a sound insulation effect" patented technology

The invention relates to a cast-in-place reinforced concrete hollow floor (plate) with both thermal insulation and sound insulation functions and a preparation method thereof. The hollow floor is prepared by concrete and a reinforcing steel bar poured together and is characterized in that the reinforcing steel bar consists of an upper layer of bar-mat reinforcement and a lower layer of bar-mat reinforcement; a grid space formed by a upper layer of reinforcing steel bar and a lower layer of reinforcing steel bar is filled with a spherical thermal insulation acoustic insulating material body; the diameter of the spherical thermal insulation acoustic insulating material body is less than the dimension of the grid formed by the upper layer of reinforcing steel bar and the lower layer of reinforcing steel bar that are bound horizontally and longitudinally; and the size of the spherical thermal insulation acoustic insulating material body accounts for 10-30% of the size of the grid space formed by the upper and the lower layers of reinforcing steel bars in longitudinal and horizontal directions. The thermal insulation material filled in the reinforced concrete hollow floor (plate) can improve the thermal insulation property of the reinforced concrete hollow floor (plate) and meanwhile, block up sound with certain wavelength from spreading, functioning in sound insulation. When being used for unidirectional and bidirectional load, the hollow floor has good bearing capacity.

The invention discloses a light sound insulation magnesium oxysulfate fireproof material and a preparation method of a wall plate, and mainly relates to the field of building materials. The light sound insulation magnesium oxysulfate fireproof material comprises the following components in parts by weight: 150 parts of magnesium oxide, 100-200 parts of a magnesium sulfate solution, 1-2 parts of amagnesium oxysulfate modifier, 0.1-0.5 part of polypropylene fiber, 10-50 parts of a fireproof adsorption material, 3-12 parts of polystyrene particles, 20-80 parts of a foaming inorganic material, 10-50 parts of an active filler and 5-50 parts of foaming agent foam. The light sound insulation magnesium oxysulfate fireproof material can effectively reduce the density of the wall plate on the basisof the fireproof and flame-retardant function of magnesium oxysulfate cement to achieve the light effect, can generate a porous structure and has sound absorption and sound insulation effects. The added inorganic material can prevent fire and flame.

The invention provides a building assembly steel beam suspended ceiling structure, which comprises main keels and connecting buckles, wherein four connecting buckles are uniformly arranged on each themain keel, and the connecting buckles are tightly welded with the main keels; hanging hooks are arranged at the left ends and the right ends of the main keels, and the hanging hooks are tightly welded with the main keels; side keels are arranged at the lower ends of the connecting buckles, and the side keels are fixedly connected with the connecting buckles through screws; secondary keels are arranged at the front ends, the middle ends and the rear ends of the side keels, and the secondary keels are fixedly connected with the side keels through bolts; cross supporting keels are arranged between the middle two side keels, and the cross supporting keels are fixedly connected with the side keels through the screws; gypsum plates are arranged at the bottom ends of the side keels, and the gypsum plates are fixedly connected with the side keels through a super glue. Sound absorption cottons are arranged in this ceiling structure, and are polyester fiber sound absorption cottons, when thereis noise between floors, the sound absorption cottons isolate the sound source, a polyester fiber material absorbs sound waves to achieve sound insulation effect, so that the problem of poor sound insulation effect of the previous ceiling structure is solved.

The invention discloses a micro-pressure oxygen-enriched ambulance stretcher, and relates to the technical field of parts of micro-pressure oxygen-enriched ambulances. The stretcher comprises an outercylinder, an inner cylinder, a compressor, an oxygen generator, a bed board and rollers, a supporting block is arranged on the lower side in the outer cylinder, a cavity is defined by the outer cylinder, the inner cylinder and the supporting blocks, multiple partition plates are arranged in the cavity and divide the cavity into multiple C-shaped sliding grooves, and pistons fixedly connected to the inner cylinder are arranged in the sliding grooves and divide the sliding grooves into first sub-cavities and second sub-cavities; an air inlet is formed in the inner cylinder, an electric valve isarranged on the air inlet, a hole is formed in each partition plate, an extrusion block and a spring are arranged in each second sub-cavity, a pressure sensor is arranged on one extrusion block, a plurality of air channels are arranged in the side wall of the inner cylinder, a plurality of air outlets are formed in the supporting block, a second hole is formed in the outer cylinder, and a plugging plate is arranged at one end of the inner cylinder. A connecting column is inserted into the inner side of the other end of the inner cylinder, and a sealing ring is arranged between the inner cylinder and the connecting column. The stretcher is convenient and fast to use.

A compressor sound insulation device comprises a support. A carbon dioxide gas gel layer wraps the outer surface of the support. A non-woven fabric layer is arranged outside the carbon dioxide gas gel layer. A rubber damping pad is arranged at the bottom end of the support. The compressor sound insulation device has the advantages that the carbon dioxide gas gel layer is used for absorbing noise, meanwhile, sound waves generated by a compressor is adsorbed, the non-woven fabric layer is used for completely absorbing residual noise, the thickness of the carbon dioxide gas gel layer and the thickness of the non-woven fabric layer can be adjusted according to the character of the sound waves, the rubber damping pad is used for removing or relieving vibration, and an sound insulation effect is further achieved.

The invention discloses a construction method of an overhead stone plate of a slope roof. The overhead stone plate is arranged on the constructed slope roof and comprises a supporting framework and a plurality of stone plate assembly structures, wherein the supporting framework consists of multiple rows of supports, the stone plate assembly structures are mounted on the supporting framework from bottom to top, a plurality of rectangular stone plates which are arranged on the same plane are continuously assembled from left to right to form each stone plate assembly structure, the lap joint length between each two vertically adjacent stone plate assembly structures is not smaller than 30mm, and a plurality of groups of stone plate connectors which support the stone plate assembly structures are disposed on the supports from top to bottom. The construction process of the overhead stone plate comprises steps of 1, measuring and paying off a line; 2, mounting the supporting framework; and 3, mounting the stone plate assembly structures. The construction method is simple in step, convenient in implementation, easy to guarantee construction quality, high in construction efficiency and fine in construction effect, and can resolve problems that an existing construction method of a stone plate of a slope roof is complex in process, low in work efficiency, high in invested cost and difficult to guarantee construction quality, and the like.

The invention discloses a shock absorption and noise reduction device for an air compressor, and relates to the technical field of air compressors. The device comprises a device body, wherein the device body comprises an outer shell, an inner shell located in the outer shell and a top plate located at the top of the outer shell; a supporting plate is slidably connected into the inner shell; an air compressor is fixed to the top of the supporting plate; telescopic columns are fixed to the four corners of the bottom of the supporting plate; an arc-shaped rubber plate is arranged below the supporting plate; the two sides of the bottom of the rubber plate are slidably connected with chutes in the two sides of the inner bottom wall of the inner shell through sliding mechanisms correspondingly; clamping mechanisms are symmetrically arranged at the two sides of the air compressor; a first adjusting mechanism and a second adjusting mechanism are arranged on the clamping mechanisms; a first acoustical board and a second acoustical board are fixed to the top of the inner shell; sound absorption cotton is filled between the first acoustical board and the second acoustical board; and a vacuum cavity is formed between the second acoustical board and the top plate. The defects in the prior art are overcome, the air compressor is not prone to shaking, and the shock absorption and noise reduction effects are good.

A device for purification of air in a building is innovatively provided. A cylinder, a cover and a tank body are welded to a shell of the device in order from top to bottom. A suction ventilator is disposed in the cylinder. The bottom of the tank body is provided with a wind inlet and the top of the cylinder is provided with a wind outlet. An upper drawer type filter screen body and a lower drawertype filter screen body are disposed in the tank body. The lower filter screen body is dust collection filter screens, and the upper filter screen body is deodorization filter screens. Each of the upper and lower filter screen bodies includes two filter screen layers. The space between the two filter screen layers of the upper filter screen body is filled with activated carbon. The wind inlet isprovided with a louver the slat angle of which is adjusted by an adjusting mechanism. Air is fed from a lower part and discharged from an upper part in the device, and the device can rapidly remove unpleasant odor in passageways through filtration and discharge fresh air.

The invention provides an automobile front wall inner sound insulation pad and a preparation method and application thereof. The automobile front wall inner sound insulation pad comprises a sound insulation cotton layer, a heavy coating, a pedal cushion block and a PU foaming layer which are sequentially arranged in a stacked mode, and the preparation method comprises the following steps of dryingand pressing to form the sound insulation cotton layer for use; drying, adsorbing and forming the heavy coating, adhering the heavy coating to the pedal cushion block, then foaming, adhering the heavy coating to the pressed and formed sound insulation cotton layer, and finally cutting to obtain the automobile front wall inner sound insulation pad. The sound insulation cotton layer, the heavy coating, the pedal cushion block and the PU foaming layer are structurally adopted to solve the problem of single structure, the overall sound absorption and insulation performance is improved, meanwhile,the pedal cushion block is pre-buried during foaming, the sound insulation performance is further improved while supporting is achieved, and wide application prospects are achieved.

The invention discloses a guide rail type novel wall brick and a construction method thereof. The wall brick structurally comprises a fixing iron plate, side plates, a round convex groove, round holes, a building block, a building block round groove and a building block convex groove. The fixing iron plate is composed of the side plates and the round convex groove. The round holes are formed in the side plates. The building block is of a cuboid structure and provided with the building block round groove and the building block convex groove, and the fixing iron plate is connected with the two sides of the round convex groove through the left side plate and the right side plate. The construction method includes the following steps that the fixing iron plate is placed according to needs; the fixing iron plate is fixed through explosion screws; the building-block-shaped wall brick is pushed along a guide rail. Labor cost is greatly reduced, work efficiency is improved, anti-shock performance of the wall is better, the sound-isolation effect is achieved, the technology is easy to understand, and the wall brick can be used by common people.

The invention discloses a sound insulation protection baffle for road construction. The sound protection baffle comprises a plurality of mounting frames, mounting pads are arranged at the bottoms of the mounting frames, and mounting screw holes are formed in the two ends of the surface of each mounting pad; baffle bodies are arranged between every two adjacent fixing frames, and a sound insulationcavity is formed in each baffle body; sound absorption cotton is arranged on the two sides of the inner wall of each sound insulation cavity. According to the baffle, the fixing frames are clamped tothe baffle bodies, bolts penetrate through the mounting screw holes in the mounting pads, and the bolts are fixedly connected with the ground, so that installation of the protection baffle is facilitated; the sound insulation cavities in the baffle bodies are matched with the two layers of sound absorption cotton, so that noise is isolated and adsorbed, noise transmission is effectively reduced,and the sound insulation effect is achieved; water is conveyed through a water guide pipe, and atomized water is sprayed out through a water mist nozzle, so that dust generated by construction is sprayed and adsorbed, spreading of the dust is reduced, the functionality of the protection baffle is improved, and the use of the protection baffle is facilitated.

The invention relates to solder wire preparation equipment, in particular to a solder wire preparation machine. The solder wire preparation machine comprises a rosin treatment mechanism, an extrusionmechanism and a rosin pen communicating with the rosin treatment mechanism and the extrusion mechanism. The extrusion mechanism comprises a hydraulic cylinder for providing extrusion power, an extrusion rod for extruding a solder column and a solder wire mold for generating a solder wire; the rosin pen communicates with the solder wire mold; the rosin treatment mechanism comprises a fusion cylinder used for fusing rosin at a high temperature, an externally-connected tank communicating with the fusion cylinder, two liquid through pipes, one air through pipe, an internally-connected tank communicating with the rosin pen, and an air pump; the bottom of the fusion cylinder communicates with the bottom of the externally-connected tank through one liquid through pipe; the bottom of the externally-connected tank communicates with the bottom of the internally-connected tank through one liquid through pipe; an extraction opening of the air pump communicates with the top of the externally-connected tank; an air outlet of the air pump communicates with the top of the internally-connected tank; and an extraction opening is formed in the top of the externally-connected tank. The solder wire preparation machine can prepare the solder wire not provided with a hollow cavity.

The invention relates to a cleaning machine, which comprises a plastic water tank body with a washing cavity. The cleaning machine further comprises a first metal reinforcer, a second metal reinforcer, a first metal reinforcer and a second metal reinforcer, the first metal reinforcer is arranged on the inner wall face of the upper portion of the water tank body, the second metal reinforcer is arranged on the inner wall face of the lower portion of the water tank body, and at least a first reinforcing rib is arranged in the middle of the peripheral wall of the water tank body. The water tank body is made of plastic, the plasticity is high, the depth of the tank body can be increased conveniently according to needs, and the production cost is greatly reduced; the first metal reinforcer, thesecond metal reinforcer and the first reinforcing rib can prevent the water tank body from being heated or cooled to deform, noise generated when water flow impacts the inner wall of the water tank body can be lowered, the first metal reinforcer can increase the condensation speed of high-temperature steam, the drying speed in the washing cavity is increased, and the cleaning effect is improved.

The invention discloses an expandable processing board based on a high-speed and high-density connector, including daughter boards and carrier boards, a PPC chip is mounted on the upper end surface ofthe daughter board, DSP chip and FPGA, wherein that PPC chip, the DSP chip and the FPGA are respectively arrange in parallel, and the PPC chip, the DSP chip and the FPGA are all provided with three group, the middle part of the upper end surface of the daughter board is provided with a trace groove, and the four corners of the daughter board and the two corners of the carry board are all providedwith an extrusion block; the invention discloses an expandable processing board based on a high-speed and high-density connector, the scalability design can be realized by the first connector and thesecond connector, the invention can meet the needs of different scenes, reinforce the carrier plate, prevent the carrier plate from falling off, prevent the carrier plate and the daughter plate frombeing installed in a compact structure from being squeezed, and is completely suitable for the scenes with high vibration, meet the requirements of higher vibration requirements, and simultaneously have excellent heat dissipation performance, and can effectively dissipate heat to the processing board.

The invention provides a comparison type college student psychological health adjuvant therapy device convenient to operate, which comprises a mounting structure, a shell body structure is mounted at the upper end of the mounting structure, a shell structure is hinged to the top of the shell body structure, a connecting structure is installed between the outer shell structure and the shell body structure, a swinging structure is mounted in the shell body structure, the mounting structure further comprises a bottom plate, an mounting base and sliding grooves, the mounting base is fixed to the upper end of the bottom plate, the upper end face of the mounting base is arranged to be of an arc face structure, the three sets of sliding grooves of an arc structure are formed in the upper end face of the mounting base, a connecting shell, a mounting shell and a front shell are arranged to be mounted in a hinged mode, therefore the device can be opened more easily, the connecting shell, the mounting shell and the front shell which are of a spherical shell structure are arranged and can be mutually spliced to form the shape of a hemispherical shell, a temperature control box is fixed to the mounting shell, the temperature in the whole device can be effectively controlled, and a curer can feel more comfortable.

The invention discloses a preparation method of heat-insulating and noise-resisting tempered glass. The preparation method comprises the following steps: S1, dispersing and stirring silicon dioxide aerogel powder, indium-doped zinc oxide, potassium titanate, bismuth oxide, a dispersing agent, an antifoaming agent, a leveling agent, a coalescing agent and water, then adding styrene-acrylic emulsion, and continuing to stir, so as to obtain a heat-insulating and noise-resisting coating, S2, taking plate glass, preheating the plate glass at 270-280 DEG C, then further preheating the plate glass at350-380 DEG C, then toughening the plate glass at 650-680 DEG C for 150-180 seconds, and then cooling the plate glass to 140-150 DEG C to obtain toughened glass, S3, coating the surface of the tempered glass with the heat-insulating and noise-resisting coating, and drying at 160-170 DEG C for 2-3 hours to obtain heat-insulating and noise-resisting tempered glass. The preparation method disclosedby the invention has the advantages that the prepared tempered glass is heat-insulating, sound-insulating and relatively small in thickness.

The invention relates to the field of building decoration, in particular to a thermal insulation and fireproof composite decorative plate for an external wall. The decorative plate comprises a plate body, a rainproof plate is arranged on the outer side of the plate body, a plurality of buffer mechanisms are arranged on the inner side of the plate body, mounting plates are connected to the buffer mechanisms, the plate body comprises a first base plate, a first fireproof plate is arranged on the left side of the first base plate, a thermal insulation layer is arranged on the right side of the first base plate; the thermal insulation layer comprises an EPS plate, an SEPS plate is arranged on the inner side of the EPS plate, a rigid polyurethane foam heat preservation composite plate is arranged on the inner side of the SEPS plate, a sound insulation plate is arranged on the right side of the thermal insulation layer, a sound absorption plate is arranged on the right side of the sound insulation plate, a second base plate is arranged on the right side of the sound absorption plate, and a second fireproof plate is arranged on the right side of the second base plate. According to the thermal insulation and fireproof composite decorative plate, due to the structural arrangement of the decorative plate, the heat preservation and insulation effects are good, the fireproof effect can beachieved, the sound insulation effect can also be achieved, and the modern use requirement is met.

The invention discloses a connecting structure of a building decoration curtain wall and a wall body. The connecting structure comprises a curtain wall body, a keel, a first connecting piece, a secondconnecting piece, a fixing piece and a damping connecting plate, wherein a rectangular clamping groove is formed in the rear side face of the curtain wall body, the damping connecting plate is clamped in the rectangular clamping groove, and the first connecting piece and the second connecting piece are both in a strip shape; the vertical section of the first connecting piece and the vertical section of the second connecting piece are both arranged in an L shape, the right side of the first connecting piece is connected with the keel, the right side of the second connecting piece is connectedwith the keel, and the second connecting piece is arranged above the first connecting piece; a second anti-seismic groove is formed in the inner wall of the lower end of the curtain wall body, the inner wall of the upper end of the curtain wall body is provided with a first anti-seismic groove, and the first anti-seismic groove and the second anti-seismic groove are formed in the middle of the curtain wall body and connected through a stabilizing strip structure. The connecting structure of the building decoration curtain wall and the wall body has a good damping effect, has sound-insulation,heat-insulation and waterproof effects, and is convenient to mount and dismount.

The invention relates to an intelligent bullet cabinet, in particular to an intelligent bullet cabinet with a sound protection technology. The intelligent bullet cabinet with the sound protection technology has a speech recognition function and high gun stability. According to the technical scheme, the intelligent bullet cabinet with the sound protection technology comprises a cabinet body, a cabinet door, a handle, a distribution box, a rotating assembly and a storage assembly, wherein the cabinet door is rotationally arranged on one side of the cabinet body; the handle is arranged on one side of the cabinet door; the distribution box is arranged on one side of the cabinet door; the rotating assembly is arranged on the inner side of the cabinet body; and the storage assembly is arranged on the rotating assembly. According to the intelligent bullet cabinet, the speech content of people is transmitted into a speech recognition lock after a control module receives a signal, the speech recognition lock recognizes sound after receiving a speech instruction, the speech recognition lock is opened after recognition is correct, the sound protection technology is strong, and the protection effect is good.

Provided is a soundproof window. The soundproof window comprises a fixing device, a control device and a moving device. The fixing device includes a box body, a box cover, a guide groove and the like,the box body and the box cover are used for protecting other components, and the guide groove is used for guiding the movement of a telescopic bracket; the control device comprises a switch, an electric wire, a control circuit, a motor and the like, and a user controls the motor by means of the switch to rotate so that the moving device generates a movement; and the moving device comprises a coupler, a shaft, a bracket, a roller, a steel wire rope, a telescopic bracket, a soundproof bar and the like, and the moving device can convert the rotary motion of the motor into the lifting and descending motion of the telescopic bracket in a vertical direction so that the soundproof bar can be unfolded on the outside of the window to realize the purpose of sound insulation. The soundproof window has the advantages of simple structure and convenient operation.

The invention discloses a sound-proof aluminum alloy window which comprises a first aluminum alloy window part, a second aluminum alloy window part and an aluminium alloy frame, wherein the first aluminum alloy window part and the second aluminum alloy window part are correspondingly arranged, and are in a double-layer composite structure; rubber rings are arranged at frame edges of the first aluminum alloy window part and the second aluminum alloy window part; a rubber slide bar is arranged on the surface of one side, fit with the second aluminum alloy window part, of the first aluminum alloy window part, and is arranged at the edge, fit with the second aluminum alloy window part, of the first aluminum alloy window part. The sound-proof aluminum alloy window is simple in structure, convenient to use and good in using effect, and can effectively exert the sound-proof protection effect.