43results about How to "Enhance compressive and tensile strength" patented technology

The invention discloses a well and a water collection well. The well comprises a bottom plate, a well chamber, a well cylinder adjustment block, a well ring and a well lid which are connected in sequence from bottom to top, wherein the lower parts of the bottom plate and the well chamber are integrally formed by pouring; and a water inlet is formed in a side wall of the well chamber. The water collection well comprises a sand sediment well and a water intake well which adopt the well, wherein a first water collection well chamber is connected between the sand sediment well and the water intake well; the sand sediment well is communicated with the first water collection well chamber through an upper water-passing hole; the first water collection well chamber is communicated with the water intake well through a lower water-passing hole and the water inlet of the water intake well; and vent holes are formed in the sand sediment well, the water intake well and the side walls at the upper part of the first water collection well chamber. The well and the water collection well are connected with a drainage pipeline of a drainage system, so that rainwater can be collected on a rainy day and urban water logging is avoided; and when the soil is droughty, the rainwater stored in the well can be pumped out for irrigating greenbelts to relieve the drought, so that wastes are turned into wealth and water resources are saved for cities.

The invention discloses a fireproof and heat retaining plate. The fireproof and heat retaining plate comprises a bonding layer, a heat retaining layer, a fireproof layer, and a decoration layer. The bonding layer includes a cement base composed of cement mortar, and a waterproof adhesive cement layer is arranged on the cement base layer face. The materials of the heat retaining layer are polystyrene resin, heat retaining mortar, foam concrete and reinforcing bars. The fireproof layer is a cavity aluminum plate, and a cavity of the cavity aluminum plate is filled with fireproof cotton. The materials of the decoration layer are lightweight functional coatings of mortar, putty powder and the like. The lower surface of the heat retaining layer is bonded with the upper surface of the bonding layer, the upper surface of the heat retaining layer is bonded with the lower surface of the fireproof layer, and the upper surface of the fireproof layer is bonded with the lower surface of the decoration layer. The fireproof and heat retaining plate is firm in structure, high in compression resistance and tension resistance capabilities, attractive in appearance and good in decoration effect, has good fireproof and heat retaining properties, is safe and reliable in use, at the same time, due to the cavity structure of the fireproof layer, the fireproof and heat retaining plate has good noise insulating effect, and can insulate a certain quantity of noise.

The invention relates to backpack equipment with a high-strength knapsack bracket and a manufacturing process for the knapsack bracket, belonging to the technical field of knapsack brackets. The carrying equipment with high-strength knapsack bracket of the present invention comprises a knapsack bracket, a shoulder strap assembly module, a waist support assembly and a knapsack, the top of the knapsack bracket is detachably connected to the shoulder strap assembly module, and the bottom of the knapsack bracket is connected to the shoulder strap assembly module. The lumbar support assembly is detachably connected, and one side of the knapsack support is detachably connected to the knapsack. The manufacturing process of the knapsack support includes the following steps: mixing and melting, drawing and cooling, and injection molding. The carrying equipment with high-strength knapsack bracket of the present invention is ingeniously conceived and conforms to ergonomics. The weight-bearing center of the human body moves down to reduce fatigue. It is suitable for carrying a large number of items and walking quickly. The knapsack bracket has ultra-low resistance, high rigidity and strong stability. Advantages, at the same time, its high compressive and tensile properties, bending resistance and tensile strength.

The invention discloses a compression and tension resistant computer mouse material and a preparation method thereof. The compression and tension resistant computer mouse material comprises a matrix and a reinforcement, the matrix comprises ceramic powder, tungsten steel powder and glass fibers, the reinforcement comprises vinyl chloride, acrylate, magnesium oxide powder, calcium chloride powder, tin coated copper wires, iminodisuccinic acid, titanium dioxide nanopowder, and the compression and tension resistant computer mouse material concretely comprises, by weight, comprises 25-45 parts of ceramic powder, 15-30 parts of tungsten steel powder, 15-20 parts of glass fibers, 5-10 parts of vinyl chloride, 5-10 parts of acrylate, 2-8 parts of the magnesium oxide powder, 2-8 parts of the calcium chloride powder, 2-8 parts of tin coated copper wires, 0.1-0.5 parts of iminodisuccinic acid and 0.1-0.3 parts of the titanium dioxide nanopowder. The compression and tension resistant computer mouse material is optimized to substantially improve the compression and tension resistance of computer mice. The compressive strength of the compression and tension resistant computer mouse material prepared through the method is 20MPa or above, the tensile strength is 15MPa or above, and the bending strength is 6MPa or above.

The invention discloses a carbon fiber reinforced composite cable for an intelligent industrial robot and a production process thereof. The carbon fiber reinforced composite cable comprises a rubber skeleton, wherein the rubber skeleton is in a hollow cross shape; a wire core 1 is arranged at the inner center of the rubber skeleton; a wire core 2 is uniformly distributed around the wire core 1; tapered sealing plates are arranged on the four sides of the rubber skeleton; the four corners of the rubber skeleton are provided with polyurethane elastic rods; the outer side of the rubber skeleton is successively coated with a cross-linked ethylene tetrafluoroethylene copolymer insulating layer, a carbon fiber wire and tinned steel wire mixed woven sleeve, a nano silicon waterproof glue fillinglayer, an aluminum alloy interlocking armored layer and a chlorosulfonated polyethylene outer sheath. A carbon fiber wire and a tinned steel wire mixed woven sleeve are melt into the carbon fiber wireand tinned steel wire mixed woven sleeve, thereby achieving stable structure, and being less likely to crack, good in bonding coverage performance, and less likely to fall. The four polyurethane elastic rods have a squeezing buffer effect, are highly elastic, and can improve the toughness of the cable.

An electrically heated wooden floor, include a floor body, the two ends of the floor main body are respectively provided with matching tongue and tongue groove, a heating layer is arranged inside thefloor body, The heating layer is provided with a hollow groove, a plurality of vertical isolation ribs are arranged in the hollow groove, reinforcing ribs are arranged crosswise between adjacent isolation ribs, a threading pipe is arranged at the crosswise part of the reinforcing ribs, a carbon fiber heating wire is arranged in the threading pipe, the carbon fiber heating wire is centrally connected with an external temperature controller through a cold lead, and a power supply wire is connected on the temperature controller. The invention has the characteristics of good heating effect, convenient installation, maintenance and good comfort.

The invention relates to a cover film for grape cultivation and belongs to the technical field of grape cultivation. The cover film comprises a bubble film layer and an acting film adhered to the surface of the bubble film layer, the bubble film layer comprises at least one layer of bubble film, the acting film is an aluminum laminated film or PE film, and the bubble films comprise, by mass, 80-90 parts of linear low-density polyethylene, 10-20 parts of high-voltage PE10803, 20-30 parts of metallocene 1018, 6-10 parts of anti-aging master batch and 10-20 parts of flame retardant. The cover film has the advantages of light weight, high compressive strength and tensile strength, aging resistance and the like, can be pulled and curled randomly and is convenient to construct, and then cost is lowered; when the acting film is the aluminum laminated film, the cover film is used for covering after burying of grape vine, heat insulation effect is realized, and the temperature of the coverage area can be prevented from rising; when the acting film is the PE film, the cover film is used for covering greenhouses, sunlight can be absorbed to keep temperature at a high level, accumulated snow on the cover film can disappear quickly, and coverage, heat insulation and snow removal of the greenhouses are facilitated greatly.

The invention discloses a polypropylene filler yarn. The polypropylene filler yarn is prepared by the following steps: mixing polypropylene resin, a filling master batch and a defoaming agent; carrying out hot extrusion and cutting, wherein the weight ratio of the polypropylene resin to the filling master batch is 1 to 1 or 1 to 3; the adding proportion of the defoaming agent is 1/25 of total weight of a mixture of the polypropylene resin and the filling master batch. According to the polypropylene filler yarn disclosed by the invention, the polypropylene resin and the filling master batch are used as raw materials; by means of the filling master batch, the toughness of the polypropylene filler yarn is improved, the tensile and compressive performances of the polypropylene filler yarn are improved, the tensile rate reaches 20 to 30 percent, and the tensile strength is 6 to 10N/mm; by adding the defoaming agent, the performance of the polypropylene filler yarn is favorably further maintained and the influence of bubbles on the performance of the polypropylene filler yarn in a production process is avoided.

The invention discloses a sound insulation type A-grade fireproof polystyrene board and a preparation method thereof. The sound insulation type A-grade fireproof polystyrene board comprises the following components in parts by mass: 38 to 55 parts of a polystyrene raw material, 38 to 52 parts of fumed silica, 1 to 6 parts of nano-aerogel, 1 to 6 parts of graphene, 1 to 15 parts of white high-temperature ceramic glaze, 5 to 16 parts of gutta-percha, 0.5 to 2 parts of an anti-aging agent AW and 3 to 9 parts of modified sepiolite. Through formula adjustment, the modified polystyrene board which has a heat insulation function, achieves A-grade fire resistance and has an extremely strong sound insulation effect is produced; the compression resistance and tensile strength of the polystyrene board are enhanced, fire safety is improved, and energy conservation and emission reduction are realized; and the sound insulation type A-grade fireproof polystyrene board is low in cost, high in safety coefficient and wide in application range, and has good economic benefits and social benefits.

The invention discloses a compression-resistant and tensile-resistant material for a mouse and a preparation method of the compression-resistant and tensile-resistant material. The material mainly comprises the following components in parts by weight: 22-42 parts of polycarbonate, 3-8 parts of composite reinforced fibers, 13-26 parts of fluorosilicon rubber, 2-8 parts of potassium hexatitanate whiskers, 3-6 parts of inorganic filler, 2-6 parts of zinc p-tert-butylbenzoate, 1-5 parts of antioxidant, 0.5-1.5 parts of accelerant and 0.3-0.8 part of compatilizer. The compression-resistant and tensile-resistant material for the mouse is optimized, so that the compression resistance and tensile resistance of the material for the mouse are remarkably improved. The compression-resistant and tensile-resistant material for the mouse is prepared by using the method disclosed by the invention has the tensile strength of 22MPa or above, bending strength 71.5MPa or above and the elongation at breakof 43.6% or above.

The invention provides rubber and plastic concrete which comprises rubber and plastic granules, a steel fiber and a polypropylene fiber, wherein the polypropylene fiber is connected with the rubber granules. The invention further provides a preparation method of the rubber and plastic concrete. The preparation method comprises the following steps: firstly, heating the rubber and plastic granules till surface layers are molten; mixing and stirring the heated rubber and plastic granules with the polypropylene fiber so as to obtain rubber and plastic granules connected with the polypropylene fiber; further mixing the rubber and plastic granules connected with the polypropylene fiber with a cementing material and the steel fiber; putting coarse aggregate and fine aggregate into the mixture obtained in the former step, uniformly stirring, and continuously stirring with water. By adopting the preparation method of the rubber and plastic concrete, the surfaces of the rubber and plastic granules are molten through rapid heating, the polypropylene fiber is connected with the rubber and plastic granules through a molten rubber and plastic material, and the preparation process is simple and convenient to implement. As the polypropylene fiber is connected with the rubber and plastic granules, the strength and the toughness of the rubber and plastic concrete are improved, and the cracking resistance of the concrete is improved.

The invention relates to the field of waterproof sealing of buildings, and specifically relates to an intumescent waterproof sealing material. The intumescent waterproof sealing material is prepared from the following raw materials in parts by mass: 60-100 parts of geopolymer, 50-135 parts of water glass, 5-60 parts of sodium hydroxide, 10-40 parts of water, 2-6 parts of a foaming agent and 2-6 parts of a foam stabilizer. In addition, the invention further provides a construction method of the intumescent waterproof sealing material. The raw materials of the intumescent waterproof sealing material contain no toxic substances, are environmentally friendly and pollution-free, and the compressive and tensile properties can be improved; closed pores are formed on the intumescent waterproof sealing material through technologies of changing temperature in the foaming process of the geopolymer, performing high temperature sintering and the like so as to achieve the waterproof purpose; the waterproof sealing effect is good; no waterproof agent is added in a process; an environment-friendly effect is achieved; no trouble is brought to physical and psychological health and daily life of people.

The invention discloses a flame-retardant optical fiber composite cable comprising a cable core. The cable core is formed by a plurality of cable wire cores, an optical cable wire core and a pluralityof filling ropes in a twisted mode. The multiple cable wire cores and the optical cable wire core are annularly arranged inside the cable core. The filling ropes are arranged at the center defined bythe cable wire cores and the optical cable wire core and the outer sides of the externally tangent positions of the adjacent cable wire cores or the optical cable wire core. The exterior of the cablecore is coated with a polyethylene inside liner, the polyethylene inside liner is sequentially coated with an outer shielding layer, a silica gel fireproof layer, a mica tape layer, a high-flame-retardance halogen-free low-smoke flame-retardant sheath layer and a water-blocking layer, and the gaps between the polyethylene inside liner and the cable wire cores, the gap between the polyethylene inside liner and the optical cable wire core, and the gaps between the polyethylene inside liner and the filling ropes are filled with insulation foaming layers. According to the flame-retardant opticalfiber composite cable, the advantages of all materials are fully utilized, so that the overall oil resistance, acid resistance and anticorrosion properties of the cable are good, the cost is saved, the compressive property and the tensile property of the cable are further improved, the overall flexible property of the cable is good, and the service life of the cable is greatly prolonged.

The present invention provides an easily biodegradable foam concrete, comprising the following materials by weight: 853-947 parts of clay, 255-270 parts of gypsum, 170-175 parts of water, 65-74 parts of cement, 147-166 parts of river sand, 4.2-4.5 parts of a water reducer and 0.3-0.5 part of an animal foaming agent. The present invention provides the easily biodegradable foam concrete; the added foaming agent through physical foaming makes the foam more uniform; gypsum, clay and other non-water-resistant and acid gas-resistant hard gel material realizes high pressure and tensile resistance after coagulation of the building strength; and the concrete components have weak acid and water resistance and are easy to decompose and recover.