45results about How to "Improve thermal insulation and waterproof performance" patented technology

The invention relates to a wall with a tie steel mesh structure. The wall comprises steel meshes, a transverse tie member, a longitudinal positioning supporting member and a filling layer, wherein the filling layer is filled between the steel meshes on the two sides; the steel meshes on the two sides are fixedly connected with the longitudinal positioning supporting member; the transverse tie member passes through the filling layer, and the two ends of the transverse tie member are respectively fixed on the longitudinal positioning supporting member which is fixedly connected with the steel meshes on the two sides; and the steel meshes, the transverse tie member, the longitudinal positioning supporting member and the filling layer are integrated into the wall with the tie steel mesh structure. The invention has the advantages that: the wall with the tie steel mesh structure is safer and more environmental-friendly, has higher thermal insulation property and water resistance, is convenient to construct on site, and saves materials and cost more.

A decorative lighting device includes: a light-emitting unit; a holding unit which includes an inner surrounding wall that has an outer wall surface, an outer surrounding wall that has a surrounding engaging surface spaced apart from the outer wall surface with a surrounding clearance, and an annular connecting wall that attaches the outer surrounding wall to the outer wall surface to form a surrounding abutment surface confronting the surrounding clearance; and a light-transmissive housing which includes an annular neck portion that terminates at an annular edge, that has inner and outer annular surfaces, and that is configured such that once the annular edge is brought to abut against the surrounding abutment surface, the outer annular surface is engaged with the surrounding engaging surface, while the inner annular surface is spaced apart from the outer wall surface to thereby cut off creepage of intruding extraneous water into the inner surrounding wall.

The invention relates to a multifunctional and combined type intelligent insulating rod which is applied to the fields such as electric power system operation, examining, repairing and high voltage tests. A split type structure is adopted, and a combined type connector or an electroscope device is connected on an insulating rod body in a threaded mode. An intelligent type leakage current detecting device is connected at the tail end of the insulating rod body in a threaded mode. The multifunctional and combined type intelligent insulating rod has good basic functions such as insulating properties, mechanical properties and effective lengths of a traditional insulating rod or an electroscope and also has the advantages that functions are combined, the connector is in a combined type, conversion is convenient, electricity is checked at any time, alarm is given when leakage exceeds the limit and the multifunctional and combined type intelligent insulating rod is convenient to carry and the like. In the effective length of the insulating rod body, the insulating rod body has the function of an electroscope when an electricity checking device head is connected at the front end of the insulating rod body, and the insulating rod body has the function of the insulating rod when the combined type connector is connected at the front end of the insulating rod body. The insulating rod body has the function of intelligent voice alarm when a leakage current out of limit alarming device is connected at the rear end of the insulating rod body, and the insulating rod body has the advantages of being practical in structure, easy to operate, convenient to carry, fast in conversion, complete in effect and the like.

A polyurethane hard bubble interlayer integrated heat preservation lightweight wall board is characterized in that casting a polyurethane hard bubble interlayer between two concrete lightweight wall boards. The preparation process comprises installing the concrete lightweight wall board which is prepared according to the conventional method, guaranteeing the distance of the interlayer, casting the polyurethane hard bubble for the interlayer, and finally stabilizing solidification and conducting reasonable curing. The polyurethane hard bubble interlayer integrated heat preservation lightweight wall board which is prepared by the process of the invention has vibration-damping and sound insulation, fire resistant and resistant to flame, heat preservation and waterproof, excellent heat insulation, lightweight wall board, high specific tenacity and compact and firm structure and strong suitability for main structure, and the service life of the invention can reach 30 years under the normal weather temperature conditions. And the invention has fast construction speed, high efficiency and excellent environment-friendly property, and the finished product has prices advantage, which is really an energy-saving emission reduction environment-friendly product.

The invention provides a method for constructing external wall polyurethane insulation and a panel for construction. The method comprises the following steps: a positioning deformed piece with the same or similar insulating performance with polyurethane hard bubble on a panel to prefabricate a constructing panel; the constructing panel is fixed on the surface of an external wall; then, a polyurethane hard bubble insulating layer is poured in hollow space between the panel and the surface of the external wall, so that the polyurethane hard bubble, the positioning deformed piece and the panel are compounded into a hole. After the polyurethane is solidified, an adjustable mount used in construction can be detached, thereby producing a complete and true energy-saving polyurethane external wall external insulating layer. The external wall insulating layer constructed by the method has the advantages of quick constructing speed, high smoothness and strength of the wall body, good insulating performance, reusability of the detached adjustable mount, raw material conservation and low construction cost. The panel is not only applicable to various new constructed buildings, but also applicable to energy-saving modification of the buildings, is suitable for national condition of China, has wide application range and popularization value, and can generate great social benefit and economic benefit after application.

A decorative lighting device includes: a light-emitting unit; a holding unit which includes an inner surrounding wall that has an outer wall surface, an outer surrounding wall that has a surrounding engaging surface spaced apart from the outer wall surface with a surrounding clearance, and an annular connecting wall that attaches the outer surrounding wall to the outer wall surface to form a surrounding abutment surface confronting the surrounding clearance; and a light-transmissive housing which includes an annular neck portion that terminates at an annular edge, that has inner and outer annular surfaces, and that is configured such that once the annular edge is brought to abut against the surrounding abutment surface, the outer annular surface is engaged with the surrounding engaging surface, while the inner annular surface is spaced apart from the outer wall surface to thereby cut off creepage of intruding extraneous water into the inner surrounding wall.

The invention provides a roof ecological heat preservation and waterproofing coiled material and belongs to the technical field of greening and environmental protection engineering. The roof ecological heat preservation and waterproofing coiled material orderly comprises an aluminized film layer, a foamed resin layer, a root inhibition layer and a bonding layer. The aluminized film layer is provided with multiple through holes with diameters of 1-2mm. One end surface of the foamed resin layer close to the aluminized film layer is provided with multiple loading grooves. The loading grooves arefilled with coated plant seeds and compound fertilizer. The coated plant seeds are prepared through coating plant seeds with a coating material. The coating material comprises, by weight, 10-15 partsof bentonite, 3-5 parts of ammonium molybdate, 1-2 parts of Emistim C, 8-12 parts of sodium alginate, 3-5 parts of an insecticide, 3-5 parts of a bactericide and 70-100 parts of water. The roof ecological heat preservation and waterproofing coiled material has a high plant seed germination rate. The plant has effects of greening, durst removal, heat preservation and heat insulation.

The invention relates to a motor house, in particular to a modularized movable motor house or a small temporary building. The modularized movable motor house or the small temporary building comprise an outer wall module, a chassis module, a furniture module, a toilet module and a kitchen module; the outer wall module is fixed to the chassis module and constitutes the wall body and roof of the motor house. The furniture module, the toilet module and the kitchen module are all located inside the motor house. The modularized movable motor house or the small temporary building is simple in structure, reasonable in layout, large in inner space, complete in domestic installation, comfortable to live, good in thermal insulation performance and lighting, high in strength and extensibility, convenient to transport, fast in assembly of the modularized structure and low in manufacturing cost.

The invention provides a graphene electric heating fabric provided with a magnet. The graphene electric heating fabric comprises at least a graphene fabric body, two electrodes, at least a power supply connecting member, a plurality of permanent magnets, and at least an insulation waterproof layer. The graphene fabric body is formed by graphene fibers. The two electrodes are fixedly disposed on the graphene fabric body, and are connected with the power supply connecting member. The surface of the graphene fabric body is fixedly provided with the plurality of permanent magnets, and the insulation waterproof layer is disposed on the outer surface of the graphene fabric body and the outer surfaces of the electrodes in a covered manner. Compared with the prior art, the graphene electric heating fabric provided with the magnet has advantages of antibiotic and bacteriostatic effect, far-infrared health care warm-keeping effect, magnetotherapy, light weight, good flexibility, uniform heating, high heating efficiency, small energy consumption, recyclability, comfortable touch feeling, and good service performance.

The invention discloses an energy-saving and heat-insulating putty powder and a preparation method thereof, and relates to the technical field of coatings. The energy-saving and heat-insulating putty powder is prepared from various raw materials, and the various raw materials comprise, by weight, 70-90 parts of talcum powder, 100-200 parts of white cement, 20-30 parts of starch glue, 30-50 parts of waterproof blended powder, 30-60 parts of hollow glass beads, 10-20 parts of polypropylene fibers and 2-10 parts of a mixed assistant. The cooperation of the hollow glass beads and the polypropylene fibers realizes a very good heat insulation effect, and the addition of the waterproof blended powder greatly improves the waterproof performance of the putty powder. The invention also provides the preparation method of the energy-saving and heat-insulating putty powder. The mixing sequence and the mixing pressure are controlled to make the raw material maximally perform their performances, so the obtained product is uniform and has excellent heat-insulating and waterproofing performances.

The invention provides a light energy-saving brick with soundproof and insulating functions. The light energy-saving brick comprises a brick body, a plurality of cylindrical cavities formed in the brick body, inner filling bodies, middle filling bodies and outer filling bodies, wherein the brick body is filled with the inner filling bodies, the middle filling bodies and the outer filling bodies. The cylindrical cavities are distributed at equal intervals along the central line of the brick body in the length direction. The inner filling bodies are distributed on the outer side of the cylindrical cavities in a rectangular shape, the outer filling bodies are distributed on the edges of the brick body in a rectangular shape, and the middle filling bodies are distributed between the inner filling bodies and the outer filling bodies in a rectangular shape. The inner filling bodies, the middle filling bodies and the outer filling bodies which are correspondingly adjacent are arranged in a staggered mode. The upper ends of the outer filling bodies are higher than the upper end face of the brick body, and the lower ends of the outer filling bodies are lower than the lower end face of the brick body. The brick body is made from coal gangue, coal cinder, construction waste, riverway sludge, papermaking sludge and rice hulls. The light energy-saving brick with the with soundproof and insulating functions has the effects of being low in weight, capable of saving energy, insulating, waterproof and soundproof, and the overall strength and insulating and waterproof properties of a wall can be improved.

The invention relates to a waterproof thermal-insulating heat-preservation coating and a construction process thereof and to the technical field of heat-preservation materials. The waterproof thermal-insulating heat-preservation coating comprises a thermal-insulating heat-preservation component and a reflection heat-preservation component, wherein the thermal-insulating heat-preservation componentcomprises the following raw materials in percentage by weight: 36-40% of a first base filler, 16-20% of a fiber filler, 16-20% of a thermal-insulating heat-preservation functional filler, 1.6-2% of amodified bisphenol A type epoxy resin and the balance of water; and the reflection heat-preservation component comprises the following raw materials in percentage by weight: 40-44% of a second base filler, 20-24% of a reflection heat-preservation functional filler, 1-1.4% of a fluorocarbon emulsion, 0.3-0.7% of a curing agent, 0.3-0.7% of a wetting agent, 0.3-0.7% of a dispersant MF (melamine), 0.2-0.6% of a defoaming agent and the balance of water. Due to compounding of the thermal-insulating heat-preservation component and the reflection heat-preservation component, and by virtue of two different heat-preservation thermal-insulating principles, the heat-preservation thermal-insulating effects of the coating are sufficiently improved, and meanwhile, due to synergetic effects of the two components, the waterproof effect of the coating is improved, and the heat-preservation thermal-insulating properties of the coating are further improved.

The invention relates to the technical field of building boards, in particular to a high waterproof and heat preservation fiber cement board. According to the high waterproof and heat preservation fiber cement board, cement, oxidized asphalt, a release agent, a water reducing agent, sodium pyrophosphate, water, a composite hydrophobic and dust-proof base material and a hydrophobic polymer micellematerial are used as composite materials of the self-waterproof fiber cement board, wherein the composite hydrophobic and dust-proof base material is a bamboo shoot fiber treatment material, and the hydrophobic polymer micelle material and the oxidized asphalt are cooperated, so that the board has good hydrophobic performance; and a nano super hydrophobic protective layer formed by painting with asuper hydrophobic stone protective agent is arranged on the surface of the water-proof fiber cement board, wherein the super hydrophobic stone protective agent is prepared by using non-fluorosilane silicone resin as a raw material in the combination with nano-sized metal oxide sol, and the waterproof effect of the board is further improved; and a rock wool natural heat preservation layer plays agood role of heat preservation. The high waterproof and heat preservation fiber cement board has good heat preservation and waterproof performance and is suitable for promotion and use.

The invention discloses an adjustable door spindle which comprises a door spindle seat plate arranged on a door frame or a wall. The adjustable door spindle is characterized in that the door spindle seat plate is provided with a pin shaft, and a door spindle panel connected with a door leaf is hinged to the pin shaft and is turned over along the pin shaft; the adjustable door spindle is furthermore provided with a three-dimensional adjustment mechanism, and the three dimensional adjustment mechanism comprises an up-down adjustment mechanism, a left-right adjustment mechanism and a front-rear adjustment mechanism which are adjusted independently. The adjustable door spindle is compact in structure, flexible in adjustment, high in precision and capable of being adjusted independently in the three-dimensional direction, errors existing in the machining and installation processes are eliminated, the gap between the door leaf and the door frame in the door-closed state is eliminated, good sealing performance is guaranteed, the heat preservation performance and water prevention performance of a door are improved, and grain storage quality is guaranteed.

The invention discloses a composite building waterproof and heat-preserving material and a preparation method thereof. The composite building waterproof and heat-preserving material is composed of anupper waterproof layer, a lower waterproof layer and a middle nanometer ceramic mycelium heat insulation layer, wherein each waterproof layer is composed of the following substances in parts by weight: 50-60 parts of expanded perlite, 20-30 parts of methyl sodium silicate and 10-20 parts of polyvinyl alcohol; the nanometer ceramic mycelium heat insulation layer is composed of the following substances in parts by weight: 5-8 parts of mycelia, 30-50 parts of limestone, 15-25 parts of nanometer ceramic particles and 50-80 parts of straw. According to the invention, the nanometer ceramic myceliumheat insulation layer is formed by coating the limestone and the nanometer ceramic particles with the mycelia to form a structure similar to a shell structure; meanwhile, the nanometer ceramic particles have the characteristics of improving the strength, hardness, high-temperature resistance, hydrophobicity and the like of a material, and can significantly improve the heat-preserving and waterproof performances of the composite building waterproof and heat-preserving material. The composite building waterproof and heat-preserving material provided by the invention has the characteristics of heat preservation, heat insulation, sound insulation, light weight, water resistance, energy conservation, environmental protection and high strength.

The invention relates to a wall with a tie steel mesh structure. The wall comprises steel meshes, a transverse tie member, a longitudinal positioning supporting member and a filling layer, wherein the filling layer is filled between the steel meshes on the two sides; the steel meshes on the two sides are fixedly connected with the longitudinal positioning supporting member; the transverse tie member passes through the filling layer, and the two ends of the transverse tie member are respectively fixed on the longitudinal positioning supporting member which is fixedly connected with the steel meshes on the two sides; and the steel meshes, the transverse tie member, the longitudinal positioning supporting member and the filling layer are integrated into the wall with the tie steel mesh structure. The invention has the advantages that: the wall with the tie steel mesh structure is safer and more environmental-friendly, has higher thermal insulation property and water resistance, is convenient to construct on site, and saves materials and cost more.

The invention discloses a roofing system about the metal surface coreboard, comprising a plurality of the metal surface coreboards. The adjacent metal surface coreboards are connected with each other through the undercut and between the end surface at the connection of the adjacent metal surface coreboards is the gap. At the purline, the fixed device is arranged in the end surface at the connection of the adjacent metal surface coreboards. The fixed device makes the metal surface coreboard fix at the purline. Among the purlines, the gap of the end surface at the connection of the adjacent metal surface coreboards is arranged with the heat insulation plug - in. The foaming filler with the integration of the heat preservation and the waterproof is filled above the heat insulation plug-in. The roofing system about the metal surface coreboard has the simple structure and the reasonable design, which not only the roofing panels of the adjacent metal surface coeboard are firmly tightened and are connected with the purline, but also the good preservation and waterproof is provided at the connection.

A falling-preventing safety belt for the hot-line work is formed by shoulder belts, a chest belt, back belts and a waist belt in a sewn mode. The two shoulder belts are arranged, one end of one shoulder belt and one end of the other shoulder belt downwards extend from the front portions of the left shoulder and the right shoulder of a wearer correspondingly, the other end of one shoulder belt andthe other end of the other shoulder belt downwards extend from the rear portions of the left shoulder and the right shoulder of the wearer correspondingly, and the shoulder belts are fixedly connectedon the back portion through a fixing part. The chest belt is set to be a part with the adjustable length and is transversely arranged at the chest position, and the two ends of the chest belt are movably connected with the two shoulder belts through first connecting parts. The two back belts are arranged, one end of each back belt is connected with the fixing part, and the other end of one back belt and the other end of the other back belt downwards extend from the two sides of the back of the wearer correspondingly. The waist belt is transversely arranged at the waist position, and the two ends of the waist belt are connected with the two back belts correspondingly. The shoulder belts and the back belts are connected with each other on the legs of the wearer through second connecting parts and used for being matched with the legs of the wearer and being worn on the legs of the wearer. The shoulder belts, the chest belt, the back belts and the waist belt are made of textile strips, and the textile strips are made of mulberry silk fibers and chemical fiber filament fibers in a mixed and woven mode.

The invention provides a heat-insulating waterproof coating for a building and a preparation method thereof, and belongs to the technical field of building coatings. The heat-insulating waterproof coating for the building is prepared from the following components in parts by weight: 40-60 parts of silicone acrylic emulsion, 30-50 parts of filler, 35-45 parts of water liquid, 1-3 parts of vermiculite powder, 2-8 parts of an anti-seepage blocking agent, 1-3 parts of a dispersing agent and 0.5-1.5 parts of a de-foaming agent. The heat-insulating waterproof coating prepared from the silicone acrylic emulsion and the plasticizer has good bonding and film forming effects, the cracking possibility of the heat-insulating and waterproof coating in extremely cold weather is reduced, the heat-insulating waterproof coating also has a waterproof effect in extremely cold weather, by adding the anti-seepage blocking agent, the reflective heat-insulating powder, the heat-insulating waterproof powder and the glass fiber, the heat-insulating waterproof effect of the heat-insulating waterproof coating can be further improved, so that the waterproof heat-insulating performance of the heat-insulating waterproof coating is better than that of a common coating.

A polyurethane hard bubble interlayer integrated heat preservation lightweight wall board is characterized in that casting a polyurethane hard bubble interlayer between two concrete lightweight wall boards. The preparation process comprises installing the concrete lightweight wall board which is prepared according to the conventional method, guaranteeing the distance of the interlayer, casting the polyurethane hard bubble for the interlayer, and finally stabilizing solidification and conducting reasonable curing. The polyurethane hard bubble interlayer integrated heat preservation lightweightwall board which is prepared by the process of the invention has vibration-damping and sound insulation, fire resistant and resistant to flame, heat preservation and waterproof, excellent heat insulation, lightweight wall board, high specific tenacity and compact and firm structure and strong suitability for main structure, and the service life of the invention can reach 30 years under the normalweather temperature conditions. And the invention has fast construction speed, high efficiency and excellent environment-friendly property, and the finished product has prices advantage, which is really an energy-saving emission reduction environment-friendly product.

The invention discloses a damp-proof and sound-insulation building plate. The damp-proof and sound-insulation building plate comprises an echo-prevention foam layer, a waterproof layer, a thermal insulation layer, a sound insulation layer and a bonding layer. The interior of the sound insulation layer is sealed to form a vacuum chamber, the whole waterproof layer is of an inner-sunken type structure, force bearing partition plates are further arranged in an inner cavity of the waterproof layer at equal intervals, and the edges of the force bearing partition plates and the waterproof layer areof parallelly mounted structures; and the surface of the waterproof layer is coated with a waterproof coating, a positioning hole is formed in the bonding layer, the positions between the force bearing partition plates and the waterproof layer are filled with drying agents, and a plurality of elastic buffering pieces are symmetrically mounted between every two adjacent force bearing partition plates. According to the damp-proof and sound-insulation building plate, the appearance is excellent, durability is achieved, the structure is stable, mounting is convenient, thermal insulation is achieved, the waterproof effect is good, the sound insulation effect is good, the service life is long, and the cost is low.

The invention provides a lamp strip connecting wire. The lamp strip connecting wire comprises an insulation cover positioned at the external, and an electric wire and a connecting terminal in the insulation cover; the connecting terminal is mounted at the end part of the electric wire; the insulation cover includes an electric wire insulation part in middle and a connecting part at the end part, wherein the electric wire is wrapped by the electric wire insulation part; and the connecting terminal is positioned in the connecting part. The lamp strip connecting wire is characterized in that the connecting part includes a base and a movable top cover; the top cover is mounted in middle of the base to form a cavity for inserting in a lamp strip; and the front end part of the connecting terminal is projected out from the bottom of the cavity. The lamp strip connecting wire is simple and convenient for connecting operation and high in efficiency, has no need to operate by professional staff, is excellent in water resistance, and is convenient for outdoor connection.

The invention discloses a fabricated integrated house. The fabricated integrated house comprises a top frame assembly, a bottom frame assembly, corner columns and interchangeable wallboards, the interchangeable wallboards are mounted on the bottom frame assembly, a clamping groove is formed in the bottom frame assembly, the interchangeable wallboards can be conveniently inserted into the bottom frame assembly to be connected, the corner columns are installed between the adjacent interchangeable wallboards, the top frame assembly is installed at the tops of the interchangeable wallboards, the top frame assembly forms a ceiling to cover the integrated house, the top frame assembly, the bottom frame assembly, the corner columns and the interchangeable wallboards are separately prefabricated in a factory, and water and electricity facilities are installed in advance. According to the fabricated integrated house, the problems that an existing integrated house is complex in manufacturing process and inconvenient to install are solved.

The invention discloses an integrated structure for waterproofing, thermal insulation and thermal insulation of a roof. The utility model is used for the waterproof and thermal insulation of the roof; the supporting mechanism is installed on the outside of the roof and is connected with the waterproof and thermal insulation mechanism to support and fix the waterproof and thermal insulation mechanism; the reinforcement mechanism is installed on the outside of the roof and uses It is used to connect the roof and the protective wall; the waterproof and heat insulation mechanism includes an insulation layer, a reinforcement plate, an insulation layer, a sound-absorbing layer and a waterproof layer, the insulation layer is filled with foamed concrete, and the reinforcement plate is located between the insulation layer and the insulation layer. Between the thermal layers, the muffler layer is arranged on one side of the thermal insulation layer; the waterproof and thermal insulation mechanism plays a role of waterproof and thermal insulation on the roof, the thermal insulation and waterproof effect is good, and it has the characteristics of waterproof and anti-seepage, which improves the safety of the roof. and thermal insulation.

The invention relates to a shear wall with an embedded heat-preservation and waterproof block. The shear wall comprises the heat-preservation and waterproof block sandwiched between shear wall concrete on the two sides, middle-row steel bars are inserted in the middle of the heat-preservation and waterproof block, and outer-side steel bars are arranged in the shear wall concrete on the two sides; polyurethane waterproof coating layers are smeared on the surfaces of the two sides of the heat-preservation and waterproof block; the two sides of the heat-preservation and waterproof block are each provided with a horizontally-centered steel strip, a plurality of fixing sleeves are evenly arranged on the steel strips, supporting bars are inserted in the fixing sleeves, and the outer ends of the supporting bars extend to the outer sides of the outer-side steel bars; and the heat-preservation and waterproof block is prepared through the following method: straw ash, cement, medium sand and anti-cracking fibers are mixed according to the mass ratio of 5:3:2:0.1, and then mixed with water to be poured, and the mixture is cured to be formed. The shear wall can be subjected to on-site concrete pouring, the heat-preservation and waterproof effects are good, meanwhile, the thickness of steel bar protection layers and the size of a wall body of the building shear wall can be guaranteed, and it is guaranteed that the shear wall steel bars are not exposed.

The invention discloses a combined ceramsite light wallboard which comprises a wallboard base plate, the wallboard base plate comprises wallboard surface layers located on the two sides of the wallboard base plate, a heat preservation wall core located between the wallboard surface layers on the two sides and fiber mesh layers embedded in the wallboard surface layers, and the wallboard base plate is composed of concrete filler and a metal woven mesh. The outer sides of the heat preservation wall cores on the two sides are coated with the wallboard surface layer, and a waterproof restraining layer is arranged on the outer side of the wallboard surface layer. According to the invention, the lightweight ceramsite and the glass beads are used as aggregate materials of the base plate, and a special lightweight concrete formula is utilized, so that the wallboard structure has the advantages of light texture and easiness in construction and installation on the basis of having the characteristic of high strength, and the integrally formed cold-rolled steel coil is punched into a net for bonding, so that the wallboard is anti-seismic, and the impact meets the national standard.

The invention provides a method for constructing external wall polyurethane insulation and a panel for construction. The method comprises the following steps: a positioning deformed piece with the same or similar insulating performance with polyurethane hard bubble on a panel to prefabricate a constructing panel; the constructing panel is fixed on the surface of an external wall; then, a polyurethane hard bubble insulating layer is poured in hollow space between the panel and the surface of the external wall, so that the polyurethane hard bubble, the positioning deformed piece and the panel are compounded into a hole. After the polyurethane is solidified, an adjustable mount used in construction can be detached, thereby producing a complete and true energy-saving polyurethane external wall external insulating layer. The external wall insulating layer constructed by the method has the advantages of quick constructing speed, high smoothness and strength of the wall body, good insulatingperformance, reusability of the detached adjustable mount, raw material conservation and low construction cost. The panel is not only applicable to various new constructed buildings, but also applicable to energy-saving modification of the buildings, is suitable for national condition of China, has wide application range and popularization value, and can generate great social benefit and economicbenefit after application.

The invention discloses an adjustable door spindle which comprises a door spindle seat plate arranged on a door frame or a wall. The adjustable door spindle is characterized in that the door spindle seat plate is provided with a pin shaft, and a door spindle panel connected with a door leaf is hinged to the pin shaft and is turned over along the pin shaft; the adjustable door spindle is furthermore provided with a three-dimensional adjustment mechanism, and the three dimensional adjustment mechanism comprises an up-down adjustment mechanism, a left-right adjustment mechanism and a front-rear adjustment mechanism which are adjusted independently. The adjustable door spindle is compact in structure, flexible in adjustment, high in precision and capable of being adjusted independently in the three-dimensional direction, errors existing in the machining and installation processes are eliminated, the gap between the door leaf and the door frame in the door-closed state is eliminated, good sealing performance is guaranteed, the heat preservation performance and water prevention performance of a door are improved, and grain storage quality is guaranteed.

The invention provides a method for preparing an environment-friendly rubber and plastic foam product without formamide, which belongs to the technical field of foam materials and comprises the following steps: mixing, mixing nitrile rubber, polyvinyl chloride and a foaming agent composition After adding, after high-temperature mixing, it is processed into a film; compounding: adding a vulcanizing agent to the film, performing secondary compounding, and processing it into a rubber strip; foaming, extruding the rubber strip into shape, and then vulcanizing and foaming Get rubber and plastic foam products. Wherein, the blowing agent composition includes a core-shell structure, which has: a blowing agent core containing bicarbonate and nitro arc; a shell surrounding the core, wherein the softening point of the shell is higher than the temperature at which the core decomposes into gas. The rubber-plastic foamed product prepared by the preparation method of the present invention has good foaming effect, and can obtain a uniform, dense, closed-cell and independent cell structure, so that the rubber-plastic foamed product has low water absorption and thermal conductivity, and is sound-insulating. The index is higher, and it has better heat preservation, waterproof and sound insulation effects.

The invention discloses a warm-keeping and waterproof apron. An apron body is made from a warm-keeping and waterproof fabric, and the warm-keeping and waterproof fabric comprises a base fabric layer,a warm keeping layer and a waterproof layer, wherein the base fabric layer is made from polyarmide fibers and is good in abrasion performance; the warm keeping layer is made from cotton fibers and hasthe good warm keeping performance; the waterproof layer is a polytetrafluoroethylene film layer and is capable of effectively preventing moisture from soaking a garment in the apron. Sleevelets of the warm-keeping and waterproof apron are detachably connected with the apron body, and replacement during abrasion or cleaning is convenient; a fabric can be coincident with the apron body, and the good warm-keeping performance and the good waterproof performance are jointly achieved; the warm-keeping and waterproof apron has good application prospects and is worthy of popularization.