30results about How to "Improve split resistance" patented technology

The invention discloses a cement-stabilizing layer material of regenerated fiber-reinforced building solid waste recycled fine aggregate and a preparation method of the cement-stabilizing layer material. Building solid waste recycled fine aggregate and Portland cement serve as main materials and are doped with regenerated fibers and water, stirring and blending are carried out, and the cement-stabilizing layer material is obtained. The added fiber material and the cement material act synergistically, and thus the building solid waste recycled fine aggregate can be stably aggregated to form an integral structure. The added fiber material has high tensile strength and forms a network skeleton structure in the mixture, the toughness and impact resistance of the cement-stabilizing layer material can be obviously improved, generation and development of cracks can be effectively prevented, and the anti-scouring property, the freezing resistance and other endurance properties of the cement-stabilizing layer can be improved.

The invention belongs to the field of oil production equipment, in particular to a carbon fiber continuous sucker rod with a built-in continuous flocculent wear-resistant layer, comprising a carbon fiber core body, a wear-resistant layer and an epoxy resin layer. A wear-resistant layer is arranged on the outer side of the coarse sand layer, a spun yarn layer is arranged on the outer side of the wear-resistant layer, and the epoxy resin layer is arranged on the outer side of the spun yarn layer; the roving layer is made of aramid fiber with a fineness of 3000D , the wear-resistant layer is covered by cotton wool-like polypropylene strips, and the spun yarn layer is made of aramid fibers with a fineness of 1100; the length directions of the carbon fibers, aramid fibers and polypropylene strips are all Consistent with the axis of the sucker rod. The polypropylene used in the present invention has a cotton flock-like structure, and the epoxy resin can be more fully immersed between each fiber monofilament in the polypropylene strip, so the degree of bonding between the wear-resistant material and the epoxy resin and the degree of immersion of the epoxy resin are greatly improved. Improve, so that the wear resistance of wear-resistant materials can be fully exerted.

The invention discloses an electric heating vacuum cup which comprises a cup body. The cup body comprises a cup cover, a cup main body and a cup base. The cup base comprises a first cup base and a second cup base. The two ends of the first cup base are detachably connected with the cup main body and the second cup base respectively. A heating assembly and a first conductive connecting port electrically connected with the heating assembly are arranged in the first cup base, the second cup base is a plug-in base disc, the plug-in base disc is connected with a power plug, a second conductive connecting port capable of being connected with the first conductive connecting port and starting the heating assembly to perform heating after power supply is arranged in the plug-in base disc, the cup main body is a cylinder with the upper end provided with an opening, the bottom of the cup main body is provided with a groove, a peripheral ring made of an insulating material is sleeved according to the diameter of the groove, and a heating disc can be connected to a heating layer through the groove. The cup cover is connected with the opening at the upper end of the cup main body through a thread. According to the electric heating vacuum cup, through ingenious design, outdoor exercise people's urgent requirements for a cup which is convenient to carry and can perform heating and heat insulation can be met.

The invention discloses a portable vacuum cup, comprising a cup, wherein the cup comprises a cup lid, a cup body and a cup bottom, the cup bottom comprises cup bottoms I and II, two ends of the cup bottom I are respectively connected with the cup body and the cup bottom II, and the cup bottom I is internally provided with a heating component and a first electric conduction connector that is electrically connected with the heating component; the cup bottom II is a plug-in chassis, the plug-in chassis is connected with a power plug, and the plug-in chassis is internally provided with a second electric conduction connector that can be connected with the first electric conduction connector and realize the start of the heating component to heat after power supply; the cup body is a cylinder of which the upper end is provided with an opening, the bottom of the cup body is provided with a groove, a peripheral quoit made from an insulating material is set therein through the diameter of the groove, and a heating disc can be connected to a heating layer through the groove; the cup lid is connected with the opening at the upper end of the cup body through threads, a cup handle is arranged on the outer side of the cup lid, and the cup handle can lead the cup lid to form a 30-degree to 40-degree angle with the horizontal plane after the cup lid is turned over. By an ingenious design, the portable vacuum cup can meet the requirement that the people doing outdoor exercise are eager to have a cup which is convenient to carry and can heat the vacuum cup.

The invention discloses a portable USB electric heating vacuum cup which comprises a cup base, a cup body and a cup cap, wherein the cup cap is connected with the upper opening of the cup body through threads; the cup base comprises a first cup base body and a second cup base body; two ends of the first cup base body are respectively connected with the cup body and the second cup base body through threads; a heat component and a first conductive connector which is electrically connected with the heating component are arranged on the first cup base body; the port of the first conductive connector is positioned at the bottom end of the first cup base body; the heat component is in close contact with a heating layer and a liner; the second cup base body is a detachable plugging base plate, and a second conductive connector is formed in the detachable plugging base plate; the second conductive connector is electrically connected with a USB data wire; the port of the first conductive port can be in matched connection with the second conductive connector to supply power; and the heat component is started to heat the heating layer and the liner. The portable USB electric heating vacuum cup has a smart design, has a good insulation effect for outdoor exercising people, is convenient to carry, has a heating function, and has generalization performance.

The invention relates to a stem-cut tree clipping method. The method comprises the steps that after a new lateral branch grows from the position, close to the top end, of a stem-cut tree and it is determined that the lateral branch is reserved, a tree wooden stake at the top end of a tree trunk is removed, and the tree wooden stake removal position is aligned to the root of the lateral branch closest to the top end; after the tree naturally grows for a period of time by waiting and observing, if a part of the surface of the wound or the whole surface of the wound is not wrapped by newly-growing bark, the bark is peeled off on the main trunk or the main branch at the upper portion of the same tree by cutting away and cleaning away dead phloem on the periphery of the surface of the wound, the peeled bark immediately covers the exposed surface of the wound where dead bark is removed, and the surface of the wound is tightly sealed and bound. According to the stem-cut tree clipping method, the tree wooden stake at the top end of the tree trunk is removed in time after the new lateral branch grows from the position, close to the top end, of the stem-cut tree and it is determined that the lateral branch is reserved, so that a cutaneous ridge on the lateral branch can wrap the tree trunk to the maximum extent in the growth process, the contact area between the lateral branch and the tree trunk is increased, the lateral branch is firmer, the lateral branch is effectively prevented from being split off, and the survival rate is remarkably increased.

The design and construction method of the spiral stirrup ring connection node of the longitudinal rib hollow wall panel of the present invention belongs to the field of building structures. The spiral hoop ring connection node can effectively improve the concrete anchorage and splitting resistance of the suspension point connection node, improve the safety reserve of the node, and improve the overall mechanical performance of the connection node between the prefabricated wall and the steel bar ring. The connecting node of the steel bar suspension ring has reasonable stress, convenient processing, fast installation and low cost. It is possible to set hanging points in the longitudinal rib hollow prefabricated wall panels with through cavities, reduce the self-weight of the longitudinal rib hollow prefabricated wall panels, reduce the size of the wall panels, and improve installation efficiency.

The invention discloses a laser-modified round bamboo anisotropic processing method, which belongs to the field of round bamboo modification. A laser-modified round bamboo anisotropic processing method is to irradiate round bamboo with laser, and the round bamboo absorbs the laser energy and converts it into heat energy, and the lignin in the round bamboo interacts with cellulose, hemicellulose, etc. in three-dimensional space under the action of heat. With the combined effect, the material distribution in the round bamboo changed and the anisotropy decreased. A kind of processing method of laser modified round bamboo anisotropy of the present invention can not only effectively improve the anisotropy of round bamboo, improve the anti-split performance of round bamboo, at the same time, when round bamboo is molded, the round bamboo after modeling The laser treatment of the bent stress-bearing parts can reduce the internal stress of the round bamboo shape and improve the stability of the round bamboo shape. Thermal modification of round bamboo can greatly expand the application field of round bamboo.

The invention provides a chestnut tree grafting method, which relates to the technical field of fruit tree grafting. The grafting method of the present invention increases the growth space of the callus by leaving grooves on the rootstock, increases the healing area between the scion and the rootstock, and enables the callus to occupy the entire rootstock groove, thereby naturally forming a joint with the scion. The "T-shaped connection" has a strong ability to resist wind or other external forces, and enhances the branch's ability to resist splitting; and the existence of the rootstock groove can hinder but not block the water and nutrient supply of the rootstock, so the humidity in the "rootstock groove" is relatively high. High is not affected by the external temperature, helps the formation and growth of callus, and greatly improves the survival rate of grafting, which can reach 100%.

The invention discloses a portable electric heating thermos cup. The portable electric heating thermos cup comprises cup bases, a cup body and a cup cover, wherein the cup body is a cylinder provided with an open upper end and formed by a waterproof casing, a thermal insulating layer, a heating layer and a liner from outside to inside sequentially, and a cavity is formed between the thermal insulating layer and the heating layer; the cup cover is in threaded connection with the opening in the upper end of the cup body; the cup bases comprise a first cup base and a second cup base, two ends of the first cup base are in threaded connection with the cup body and the second cup base respectively, the first cup base is provided with a heating assembly and a first conductive connection port electrically connected with the heating assembly, and the port body of the first conductive connection port is formed in the bottom end of the first cup base; the second cup base is a detachable plug-in base plate, and a second conductive connection port is formed in the second cup base; the port body of the first conductive connection port can be in matched connection with the second conductive connection port, power supply is realized, and the heating assembly is started to heat the heating layer and the liner. By means of ingenious design, the urgent requirement of outdoor exercise crowds for a portable cup with heating and thermal insulation capabilities can be provided.

The invention discloses a solidification molding method of an L-shaped plate type composite material workpiece. The solidification molding method of the L-shaped plate type composite material workpiece includes the steps that firstly, a sensitivity analysis method is adopted to acquire the total sensitivity of a composite material in each layer; secondly, a finite element analysis program is adopted to acquire the initial layer laying angle of the composite material in each layer; thirdly, a multi-stage continuous design method is adopted to design the layer laying angle of the layer of composite material with the maximum total sensitivity value, and the layer laying angle of the layer of composite material is determined; fourthly, the layer laying angle obtained in the third step serves as a fixed value, and designing of layer laying angles of composite materials of the remaining layers continues to be performed; and fifthly, according to the obtained layer laying angles, layer layingof each layer of composite material is performed, then solidification molding is performed, and the L-shaped plate type composite material workpiece is obtained. The method is used for reducing rebounding deformation of the composite material workpiece in the solidification molding process, the size precision of the molded workpiece is improved, and congratulations are made in the aspects of improvement of structural performance and reduction of energy consumption.

The invention discloses an ultra-high-strength concrete and a thin-walled electric pole made of the ultra-high-strength concrete. The ultra-high-strength concrete is recorded in parts by mass. The raw materials include: 1000-1200 parts of cement, 180-250 parts of water, silicon 180-200 parts of ash, 1200-1700 parts of quartz sand, 15-20 parts of water reducing agent, 210-240 parts of reinforcing fiber, a thin-walled pole made of the above-mentioned ultra-high-strength concrete, and the thin-walled pole is a hollow structure , made by centrifugal molding process. In the present invention, silica fume, quartz sand, water reducer and reinforcing fiber are added to the cement, and an appropriate mix ratio is adopted to prepare ultra-high-strength concrete whose strength grade can reach C120-C150, and steel fiber and carbon fiber are used as reinforcing fibers, and Grafting polyacrylic acid on the surface of carbon fiber improves the dispersion of carbon fiber. The ultra-high-strength concrete has high compressive strength, strong deformation resistance, high density, and low porosity. The thin-walled pole made of this ultra-high-strength concrete is used in Under the condition of ensuring the forming quality and rigidity of the pole, the wall thickness can be greatly reduced, which is convenient for transportation.

The invention discloses a method for preparing a mortar sealing bonding material, which solves the problem that the existing mortar sealing bonding material has high production cost and various performances need to be improved. The method comprises the following steps: firstly modifying carbon nanotubes to obtain methoxy-PEG-amino-modified chopped carbon nanotubes, and then taking steel slag, granulated slag, water, a water reducing agent and a retarder to be mixed for wet grinding until the median diameter is less than or equal to 6mu m to obtain slurry A; then adding quartz sand, fluorogypsum, ordinary Portland cement, water, an early strength agent and a thixotropic lubricant to the slurry A, and uniformly mixing to obtain slurry B; and finally, adding the chopped carbon nanotubes to the slurry B, and then adding a styrene-butadiene emulsion, an antifoaming agent and a coupling agent, mixing and stirring to obtain a modified mortar sealing bonding material. The method disclosed by the invention has a simple process and low production cost, and the prepared mortar sealing bonding material has high bonding strength, and has good bonding strength, anti-impact toughness, and good waterproof and anti-seepage performance and anti-cracking performance especially in a high temperature environment.

The invention provides an insulating board with anti-corrosion and moisture-proof functions and a using method thereof. The insulating board with anti-corrosion and moisture-proof function includes: an insulating core layer; a sound-absorbing chamber, the sound-absorbing chamber is arranged on the inside of the insulating core layer; a reinforcement layer, the reinforcement layer is arranged on the outside of the insulating core layer, the The outer surface of the insulating core layer is provided with connection bumps, and the inside of the reinforcement layer is provided with connection grooves. The insulating board with anti-corrosion and moisture-proof function and its use method provided by the present invention have an anti-corrosion layer arranged on the inner side of the waterproof coating. In contact with the outside air, the oxidation of the material is slowed down, and the waterproof coating on the outer layer can effectively prevent the moisture vapor or water stains in the air from invading the interior of the insulating core layer inside the insulating board, improving the insulation performance and use of the insulating core layer stability.

The invention discloses a portable electric heating thermos cup with a socket. The portable electric heating thermos cup with the socket comprises a cup body. The cup body comprises a cup lid, a cup main body and a cup bottom. The cup bottom comprises a first cup bottom body and a second cup bottom body. The two ends of the first cup bottom body are connected with the cup main body and the second cup bottom body separately. A heating assembly and a first conductive connector electrically connected with the heating assembly are arranged inside the first cup bottom body. A plug-in type base plate serves as the second cup bottom body and is connected with a power plug, and a second conductive connector which can be connected with the first conductive connector to start the heating assembly for heating after power is supplied is arranged inside the plug-in type base plate. A cylinder with an opening upper end serves as the cup main body, a groove is formed in the bottom of the cup main body, a peripheral ring made of insulating material is arranged in a sleeving mode according to the diameter of the groove, and the heating plate can be connected to the a heating layer through the groove. The cup lid is in threaded connection with the upper end opening of the cup main body, a cup handle is arranged on the outer side of the cup main body, and the cup handle makes a certain angle be formed between the cup main body and the horizontal plane after the cup main body is tipped over. The requirement that outdoor sport people are in urgent need of the cup convenient to carry and capable of achieving heating and heat preservation can be met through ingenious design.

The invention provides a chestnut tree groove-reserving type grafting method, and relates to the technical field of fruit tree grafting. According to the grafting method disclosed by the invention, the growth space of the callus is increased by reserving the groove in the rootstock, the healing area of the scion and the rootstock is increased, and the callus can fully occupy the whole rootstock groove, so that a T-shaped connection is naturally formed between the callus and the scion, the wind resistance or other external force resistance is stronger, and the branch splitting resistance is enhanced; moreover, due to the existence of the rootstock groove, the water and nutrition supply of the rootstock can be hindered but not blocked, so that the humidity in the rootstock groove is relatively high and is not influenced by the external air temperature, the formation and growth of calluses are facilitated, and the grafting survival rate is greatly improved and can reach 100%.

The invention discloses a method for strengthening porous coral aggregate, which belongs to the technical field of building material application. After the porous coral aggregate is broken, soak it in the enhancer A material, use ultrasonic vibration or vacuum pump to discharge the gas in the pores, take out the coral aggregate and dry it in the oven, then soak it in the enhancer B material, take it out and bake it. Dry, repeat this process many times, and then wrap the coral aggregate with enhancer C material mixed with water to obtain enhanced coral aggregate. The obtained coral aggregate has low processing cost, is non-toxic and harmless, and can fill and block the deep long holes and curved holes of the coral aggregate, significantly reduce the water absorption rate, increase the workability of coral concrete; increase the density and strength of the coral aggregate, The barrel pressure strength of the coral aggregate is increased by 80%; the coral aggregate has high resistance to splitting, strong acid resistance, and strong resistance to dry and wet cycles.

The invention discloses a fiber-reinforced composite material cable core, which comprises an inner glass fiber layer, an intermediate carbon fiber layer and an outer glass fiber cloth, bonded together by cured high-temperature resistant epoxy resin, and the inner glass fiber layer The glass fiber volume content is 5% to 45% of the mandrel as a whole, the carbon fiber volume content of the middle carbon fiber layer is 20% to 60% of the mandrel as a whole, and the glass fiber cloth volume content of the outer glass fiber cloth layer is 20% to 60% of the mandrel as a whole. The volume content of high temperature resistant epoxy resin is 34%-40%. The epoxy resin includes multi-component epoxy resin, curing agent, accelerator, mold release agent and resin modifier. The invention mainly uses the glass fiber with good resin wettability, moderate elastic modulus and signal transmission function as the core layer structure to reduce the internal stress of the fiber reinforced composite material cable core. The invention has the advantages of good comprehensive mechanical properties, small internal stress, good toughness, friction resistance, good splitting resistance, signal transmission function and the like.

The invention discloses a portable USB electric heating vacuum cup which comprises a cup base, a cup body and a cup cap, wherein the cup cap is connected with the upper opening of the cup body through threads; the cup base comprises a first cup base body and a second cup base body; two ends of the first cup base body are respectively connected with the cup body and the second cup base body through threads; a heat component and a first conductive connector which is electrically connected with the heating component are arranged on the first cup base body; the port of the first conductive connector is positioned at the bottom end of the first cup base body; the heat component is in close contact with a heating layer and a liner; the second cup base body is a detachable plugging base plate, and a second conductive connector is formed in the detachable plugging base plate; the second conductive connector is electrically connected with a USB data wire; the port of the first conductive port can be in matched connection with the second conductive connector to supply power; and the heat component is started to heat the heating layer and the liner. The portable USB electric heating vacuum cup has a smart design, has a good insulation effect for outdoor exercising people, is convenient to carry, has a heating function, and has generalization performance.