34results about How to "Weather resistant" patented technology

The invention discloses a preparation method of a high-strength PVC alloy material, and belongs to the technical field of modified plastics. The raw materials of the flame-retardant PVC composite material comprise the following components in parts by mass: 20-80 parts of PVC resin, 20-80 parts of ABS resin, 10-25 parts of PTFE micro powder, 1-10 parts of a heat stabilizer, 1-5 parts of a lubricant, 50-80 parts of a plasticizer, 0.1-0.5 part of an antioxidant, 10-20 parts of a halogen-free compound flame retardant and 5-20 parts of an inorganic filler. The PVC alloy material obtained by the invention not only has the advantages of impact resistance, low temperature resistance, easiness in molding and processing and the like of the ABS resin, but also has the advantages of flame retardance, chemical corrosion resistance, wear resistance, insulation, low price and the like of the PVC.

The present invention discloses a polyurea-ceramic composite coating for the leading edge of a wind turbine blade and a preparation method thereof. The coating comprises aspartic acid ester polyurea and ceramics. The ceramics have good strength and hardness, and can improve the hardness and toughness of the coating as a whole, and improve the overall anti-rainwater erosion performance of the coating. Specifically, the polyaspartic acid ester polyurea is made of polyetheramine, diisocyanate, polyaspartic acid ester resin and isocyanate as raw materials, and the polyetheramine is a hydrophilic monomer, so that the system has good hydrophilicity, which is conducive to forming a water film on the leading edge surface of the wind turbine blade, and effectively buffering the impact of raindrops on the leading edge of the wind turbine blade.

The invention discloses an optical adhesive material and a preparation method of a shell. The preparation method of the optical cement material comprises the following steps: mixing a monomer, an initiator and a solvent to form a mixture; wherein the monomers comprise propylene methyl methacrylate and methyl acrylate; the initiator is prepared from azodiisobutyronitrile; adding the initiator and the cross-linking agent into the mixture, and carrying out heating reaction to obtain an acrylate glue solution; and adding photochromic toner and an anti-blue light absorbent into the acrylate adhesive solution, and stirring and mixing to obtain the optical adhesive material.

The invention discloses temperature change resin clay, and relates to the technical field of resin clay, and the temperature change resin clay comprises the following raw materials by weight: 50%-65% of an ethylene vinyl acetate copolymer (EVA), 25%-35% of starch, 4%-6% of glycerol, 4%-6% of a color change pigment, 0.3%-0.7% of sodium benzoate, and 2%-5% of liquid paraffin. The EVA has good flexibility, weather resistance and plasticity and is a main base material of the resin clay, the color-changing pigment can change colors according to temperature changes or light changes, the fidelity and interactivity of the product are improved, the color-changing pigment is added, and the color-changing effect is good. The resin clay product can present color changes similar to natural animals and plants at different environment temperatures, so that the simulation degree is improved, and the ornamental value and interestingness of the product are enhanced.

The invention relates to cement concrete pavement construction and repair, and discloses a cement concrete pavement joint and crack pouring construction method which comprises the steps of joint cleaning treatment, aggregate filling, adhesive pouring, waterproof material spraying and injection and the like. According to the method, aggregate, an adhesive and a waterproof material are combined for crack pouring, and the aggregate is a skeleton of a crack pouring structure and serves as a main bearing part; the adhesive not only can bond the aggregate, but also can bond the crack pouring structure with the side wall of the joint, so that the effects of force conduction and dispersion are achieved; the waterproof material not only further fills gaps of the crack pouring structure and further bonds the aggregate, but also blocks the gaps on the surface of the crack pouring structure to form a waterproof thin layer; the crack pouring structure has various effects of bearing, bonding, plastic deformation, water resistance, fatigue resistance, embedding prevention and the like, the bearing capacity of the joint, the driving comfort and the attractiveness of the pavement can be improved, the diseases of the cement concrete pavement are effectively improved, and the service life of the pavement is prolonged.

The application discloses isosorbide bio-based polyurethane acrylate, which is prepared from bio-based isosorbide, bio-based 1,2-pentanediol, bio-based 1,5-pentanediol and bio-based succinic acid as raw materials through esterification reaction, vacuum polycondensation reaction, bio-based hydroxyl-terminated polyester, reaction of bio-based hydroxyl-terminated polyester and bio-based 1,5-pentamethylene diisocyanate, bio-based polyurethane, reaction of bio-based polyurethane and hydroxyethyl acrylate, and UV-curable isosorbide bio-based polyurethane acrylate. The application discloses application of the isosorbide bio-based polyurethane acrylate in preparation of UV coating, ink and adhesive. The isosorbide bio-based polyurethane acrylate is compounded with a UV monomer into a UV resin, the UV resin is compounded into a UV coating, and after curing, the UV coating has excellent properties such as high hardness, wear resistance, scratch resistance, heat resistance and weather resistance, and can be used as raw material of the UV coating, ink and adhesive.

The utility model discloses a fluorocarbon aluminum alloy section, and particularly relates to the technical field of sections, the fluorocarbon aluminum alloy section comprises an upper section and a lower section, the lower section is arranged at the bottom of the upper section, two reinforcing ribs are arranged between the upper section and the lower section, and a partition plate is arranged between the two reinforcing ribs. The outer wall of the bottom of the upper sectional material and the outer wall of the top of the lower sectional material are each provided with a plurality of inserting grooves, and the partition plate and the two reinforcing ribs are inserted into the inserting grooves correspondingly, so that installation of the partition plate and the reinforcing ribs is facilitated. According to the aluminum alloy section bar, the upper section bar, the lower section bar, the partition plate, the two reinforcing ribs and the baffles are combined to form the aluminum alloy section bar, so that the aluminum alloy section bar is convenient to assemble, fluorocarbon coatings are convenient to spray on the surfaces of the upper section bar, the lower section bar, the partition plate, the reinforcing ribs and the baffles, and the fluorocarbon coatings have weather resistance, heat resistance and low temperature resistance; and the glass wool is arranged, so that the heat preservation and heat insulation performance of the aluminum alloy profile can be improved.

The invention discloses a polypropylene composite material with weather resistance and flame retardancy and a preparation method thereof, and belongs to the field of thermoplastic high molecular polymer materials. The invention comprises the following steps: a benzyl-containing hindered phenol antioxidant, bromine and a free radical initiator react to obtain a brominated hindered phenol antioxidant; the brominated hindered phenol antioxidant reacts with an amino-terminated organosiloxane to obtain a hindered phenol-organosiloxane; hindered phenol-organosiloxane, a carbon-carbon double bond-terminated organosiloxane and an organic weak acid react to obtain a carbon-carbon double bond-terminated hindered phenol-organosiloxane; hindered phenol-organosiloxane and propylene are polymerized under the action of a composite catalyst to obtain a polypropylene composite material. The invention directly introduces a functional group with flame retardancy and antioxidant properties into the main chain of polypropylene by covalent crosslinking during the preparation process of polypropylene, and then polymerizes to obtain a polypropylene composite material with weather resistance and flame retardancy.

The invention relates to a non-woven fabric impregnation sizing material and a preparation method thereof, and relates to the field of non-woven fabric production, and the non-woven fabric impregnation sizing material comprises the following raw materials by weight: 50-70 parts of a modified vinyl acetate-ethylene copolymer emulsion; 1-3 parts of sodium tripolyphosphate; 5-9 parts of a filler; 0.5-1 part of a dispersant; 0.5 to 1 part of a defoaming agent; 35 to 45 parts of water; the modified vinyl acetate-ethylene copolymer emulsion comprises the following raw materials: 32-37 parts of vinyl acetate; 10 to 14 parts of ethylene; 4-8 parts of an organosilicon monomer; 0.15 to 0.4 part of an oxidizing agent; 0.1-0.3 part of a reducing agent; 0.3 to 0.5 part of an emulsifier; 1.7 to 2.8 parts of polyvinyl alcohol; 0.04 to 0.08 part of a pH regulator; 42 to 48 parts of deionized water; 0.2 to 0.5 part of an initiator; and 7 to 12 parts of N-hydroxymethyl acrylamide. The method has the effect of improving the water resistance, heat resistance and adhesive force of the non-woven fabric impregnation sizing material.

The utility model relates to the technical field of angle aluminum, and provides an angle aluminum sealing connection structure which comprises a first composite board and a second composite board. According to the utility model, the sealing structure is arranged, the lining layer is arranged, and the lining layer is made of silicone acid glue, so that the composite board has the characteristics of strong bonding force, high tensile strength, weather resistance, vibration resistance, moisture resistance, odor resistance and large cold and hot change adaptability, the first composite board and the second composite board are connected more closely, the sealing and buffering effects are achieved, and the service life of the composite board is prolonged. The connection strength of the first composite board and the second composite board is enhanced, the sealing layer is arranged, the sealing layer is made of sealing paste, the sealing layer has sealing performance and certain cohesiveness, a good adhesion effect can be achieved, a gap between the first composite board and the second composite board is filled, water permeation and leakage can be effectively prevented, and the service life of the composite board is prolonged. And by arranging the foam strips, looseness of the aluminum rivets caused by mutual extrusion between the first composite board and the second composite board can be avoided.

The present application provides an inner sealing liquid, a decorative part and a use thereof with a colorful and radiant effect, wherein the inner sealing liquid includes silicone oil, opaque pigment, pearlescent powder, fluorescent powder, a dispersant and a defoaming agent. The decorative part is fixed to the surface of the interior part of the automobile, and the decorative part includes a transparent shell that can be detachably fixed to the surface of the interior part, and a cavity is formed between the transparent shell and the surface of the interior part, and the inner sealing liquid is injected into the cavity; at least one stirring device is also arranged in the cavity, and the stirring device is used to stir the inner sealing liquid to produce a colorful and radiant appearance effect. The present application injects the inner sealing liquid into the transparent shell and sets a stirring device, and stirs the inner sealing liquid in the transparent shell by the stirring device. As the inner sealing liquid flows, the opaque pigment, pearlescent powder and fluorescent powder in the inner sealing liquid generate reflected light at different angles under illumination, thereby creating a colorful and luminous appearance effect.

The utility model relates to a composite heat insulation plate which sequentially comprises a corrosion-resistant layer, a substrate layer, a protective layer, a metal heat insulation layer and a heat preservation layer from top to bottom. Wherein the heat preservation layer is made of a foaming material, the metal heat insulation layer is made of aluminum foil, and the protection layer is made of a PVDF (Polyvinylidene Fluoride) film. And the corrosion-resistant layer is a fluorine film layer. By arranging the corrosion-resistant fluorine film layer, the heat insulation plate has chemical corrosion resistance and wear resistance, and additional protection performance is provided. A metal insulating layer is placed over the gum for reflecting and blocking heat conduction. A foamed layer is placed over the metal insulating layer for providing additional insulating effect, enhancing insulating performance by reducing heat conduction. The PVDF (polyvinylidene fluoride) film is arranged on the substrate, so that the heat insulation plate has weather resistance, chemical stability and excellent mechanical performance, and the durability and the anti-pollution capability are improved.

The present invention relates to a highly weather-resistant polyester resin powder coating and a preparation method thereof, and belongs to the technical field of coatings, and includes the following raw materials: homemade polyester resin, titanium dioxide, barium sulfate, curing agent, leveling agent, benzoin, auxiliary agent and pigment. The present invention adopts homemade polyester resin and adds 4,4'-(1-methylethylidene) dicyclohexanol and methyl propylene glycol to obtain powder coating with excellent leveling performance during its preparation process; 1,4-cyclohexanedimethanol is added to improve the glass transition temperature of the system, and the problem of poor storage stability of powder coating is solved; tertiary carbonic acid glycidyl ester and 2-butyl-2-ethyl-1,3-propylene glycol are added to exert steric hindrance effect and reduce the surface free energy of coating, together with methylaminopropyl trimethoxysilane and triglycidyl isocyanurate compounded as curing agent in the process of preparing powder coating finished product, the weather resistance of obtained powder coating is increased.

The utility model relates to the technical field of rubber joints, in particular to an anti-fatigue rubber joint which comprises joint ends, the joint ends are symmetrically distributed along the two ends, an integrally-formed joint center is arranged between the two joint ends, and built-in grooves are formed in the joint ends. Through the design of the joint center and the side flaps, the anti-fatigue and anti-deformation capacity of the rubber joint is remarkably enhanced, when the rubber joint needs to be bent, damage caused by bending can be reduced, the damping effect is achieved when objects at the two ends are extruded and impacted, the side flaps are annularly distributed outside the joint center and can be matched to be bent when the joint center is bent, and the anti-fatigue and anti-deformation capacity of the rubber joint is improved. In addition, the joint end is wrapped by the woven sleeve made of the aluminum alloy material, the situation that the joint end is extruded and deformed when connected with a pipe fitting or a rod piece is avoided, and the fatigue resistance of the rubber joint is further guaranteed.

The present invention provides a novel three-component blended polyurethane thermoplastic elastomer and a preparation method thereof, belonging to the technical field of polyurethane thermoplastic elastomer. The novel three-component blended polyurethane thermoplastic elastomer of the present invention is mixed with 20 to 60 parts of polysiloxane-polyurethane, 40 to 80 parts of polyether-polyurethane and 5 to 35 parts of a graft polymer having a polysiloxane-polyurethane and a polyether-polyurethane structure, wherein the hard segment content in the polysiloxane-polyurethane and the polyether-polyurethane is independently 20 to 50wt%, and the isocyanate index is independently 0.98 to 1.02. The novel three-component blended polyurethane thermoplastic elastomer prepared by the present invention has the weather resistance, water resistance, temperature resistance and flexibility of polysiloxane, as well as the excellent properties of high strength, high modulus and the like of polyurethane, and has excellent comprehensive performance.

The invention relates to the technical field of energy collection, in particular to a fiber winding spherical multi-direction ocean energy collection device which comprises a composite material shell, a first supporting piece, a second supporting piece, an electromagnetic energy collection mechanism, a piezoelectric energy collection mechanism and a sensor unit. When external vibration occurs, the annular magnet moves in the cylinder to cause magnetic field change, so that induction current is generated in the copper wire, and electromagnetic energy is collected; the piezoelectric energy acquisition mechanism comprises two piezoelectric energy acquisition assemblies and a piezoelectric enhancement assembly; and the sensor unit is connected with the electromagnetic energy acquisition mechanism and / or the piezoelectric energy acquisition mechanism. The energy collector has the advantages that the characteristics of corrosion resistance and weather resistance of the composite shell are utilized, and the electromagnetic energy collecting mechanism and the piezoelectric energy collecting mechanism are arranged in an annular array mode, so that the energy collector effectively works in the ocean environment with the complex direction in all weather.

The invention discloses a high-wear-resistance transparent MOPP composite label film base material and a preparation method thereof, the high-wear-resistance transparent MOPP composite label film base material comprises polypropylene master batch, polytetrafluoroethylene particles, silicon dioxide and graphene oxide, the silicon dioxide and the graphene oxide have high strength and high hardness, the polytetrafluoroethylene particles have lubricity, and both the polytetrafluoroethylene particles and the silicon dioxide have good inertia; the transparency of the polypropylene can be ensured while the wear resistance of the polypropylene is improved, the material has oxidation resistance, and the defect that in the prior art, the wear resistance and the transparency of a uniaxial stretching polypropylene material are reduced in the using process is overcome; a polypropylene mixed material is firstly subjected to low-temperature stretching and then subjected to high-temperature stretching, bubbles and gaps in the material are reduced through low-temperature stretching, molecular chains of the material are more effectively arranged and oriented at a higher temperature through high-temperature stretching, the crystallinity and orientation degree of the material are improved, and the wear resistance and transparency of the material can be improved; and oxidation can be resisted by virtue of uniform and compact texture, so that the oxidation resistance is improved.

The invention relates to a light odorless water-based indoor decorative coating and a preparation method thereof. The coating is prepared by mixing the following raw materials in percentage by weight: 15%-20% of water, 0.1%-0.2% of a pH regulator, 0.1%-0.2% of a wetting agent, 0.2%-0.4% of a dispersing agent, 0.20%-0.4% of a defoaming agent, 0.2%-0.4% of a thickening agent, 0.25%-0.5% of bentonite, 37%-40% of sintered colored sand, 3%-5% of shell powder, 3%-5% of diatomite, 3%-6% of closed cell perlite particles and 21%-25% of odor-free acrylic emulsion. The coating is prepared from 1%-3% of hollow glass microspheres, 0.5%-1% of a propylene glycol antifreezing agent, 0.65%-1% of a coalescing agent, 0.2%-0.4% of a mildew preventive, 0.1%-0.25% of a bactericide, 1%-3% of nano copper paste and 0.1%-0.15% of an antibacterial agent. The light odorless water-based indoor decorative coating prepared by the invention not only has excellent decorative performance, but also has multiple functions of environmental protection, antibiosis, mildew resistance, weather resistance, heat insulation, good texture performance and the like.

A process for repairing the gable roof of a hip-and-gable building is characterized by the following steps: 1. Repairing the wooden base layer; 2. Applying protective plaster; 3. Applying two layers of hemp and six layers of plaster; 4. Applying three coats of pigment paint and one coat of varnish; 5. Making and installing a metal gable roof made of finely carved aluminum plate; 6. Fixing with round nails; 7. Restoring the glazed tile ridge and roof tiles; wherein, the method for making the metal gable roof includes: (1) splicing metal aluminum materials and polishing and finely carving the joints; (2) applying an epoxy fluorocarbon composite coating; the coating has a three-layer structure, consisting of a base layer, an intermediate layer and a cover layer, wherein the base layer is made of an epoxy resin type primer containing epoxy resin, epoxy modified filler and isocyanate curing agent, the intermediate layer is made of a composite two-component intermediate paint containing epoxy resin, fluorocarbon resin, polyamide resin and aliphatic polyamine curing agent, and the cover layer is prepared by a two-component fluorocarbon topcoat.

The utility model discloses an assembly type roof which is obliquely arranged on the top of a building and is formed by splicing more than two autoclaved aerated concrete roof panels. Hydrophobic bulges are arranged on the upper surface of the autoclaved aerated concrete roof panel; the hydrophobic protrusions protrude from the upper surface of the autoclaved aerated concrete roof panel to the thickness direction. When every two adjacent autoclaved aerated concrete roof panels are spliced in the width direction, every two hydrophobic protrusions are spliced to form a hydrophobic part with the triangular section. More than two drainage grooves are formed in the middle of the autoclaved aerated concrete roof panel in the length direction. The assembly type roof is convenient to install, long in service life and good in waterproof effect.

The invention discloses a mould-proof and flame-retardant wood-plastic composite decorative wallboard which comprises the following components in percentage by weight: 10-40% of mixed powder, 1-10% of high-density polyethylene (HDPE), 1-5% of a mould inhibitor, 1-5% of a reinforcing agent and 1-5% of a stabilizing agent. The high-density polyethylene (HDPE) accounts for 10-40% of the total weight, the flame retardant accounts for 1-10% of the total weight, the mixed powder accounts for 30-75% of the total weight, the mould inhibitor accounts for 1-5% of the total weight, the reinforcing agent accounts for 1-5% of the total weight, the reinforcing agent accounts for 1-5% of the total weight, and the stabilizing agent accounts for 1-5% of the total weight. The reinforcing agent accounts for 1-5% of the total weight, and the stabilizer accounts for 1-5% of the total weight. According to the wood-plastic composite decorative wall board, the mildew preventive and the flame retardant are added, growth of mildew can be effectively inhibited, the wood-plastic composite decorative wall board has good flame retardant performance, and the safety and durability of products are improved.

The utility model discloses a polyimide double-sided adhesive tape for a light-emitting diode (LED) flexible circuit board, which relates to the technical field of double-sided adhesive tapes and comprises a base layer, an anti-static layer is arranged on the upper surface of the base layer, a first adhesive layer is arranged on the upper surface of the anti-static layer, a first film coating layer is arranged on the upper surface of the first adhesive layer, and a second film coating layer is arranged on the upper surface of the second adhesive layer. A second adhesive layer is arranged on the lower surface of the base layer, and a second film covering layer is arranged on the lower surface of the second adhesive layer. According to the anti-static adhesive tape disclosed by the utility model, the anti-static layer is arranged on the upper surface of the base layer, and silver has good conductivity which is several times or even hundreds of times that of common conductive metal, so that static electricity generated in the use process of the adhesive tape can be eliminated, and components in an LED lamp can be protected.

The invention relates to a preparation method of a low-dielectric moisture-proof organic silicon coating for a quartz / quartz composite material, which is characterized by comprising the following steps: step 1, preparing an organic silicon impregnation liquid which is formed by mixing organic silicon resin, a curing agent and a solvent at normal temperature and normal pressure; the mass ratio of the organic silicon resin to the curing agent to the solvent is 1: (0.001-0.01): (1-2); step 2, dipping the quartz / quartz composite material in the organic silicon dipping liquid under a vacuum condition for 2-8 hours; the advantages of high and low temperature resistance, low dielectric constant, hydrophobicity, weather resistance and the like of the organic silicon resin are utilized, the organic silicon resin serves as a moisture-proof coating, and the moisture-proof capacity of the quartz composite material is improved while good dielectric performance and high-temperature stability are kept.

The invention discloses an electrode detection type motorcycle handlebar detection device and system, and relates to the field of motorcycle driving skill examination industry. The device comprises a control center mainboard and detection electrodes, the detection electrodes at least comprise a left handle electrode and a right handle electrode, the control center mainboard sends a high-voltage short-pulse coding signal to the left handle electrode, and whether an examinee correctly holds a handle is judged by monitoring the integrity of a return signal of the right handle electrode. The method has the advantages that the problems of poor interference resistance and high false alarm rate of an existing capacitive touch mode are solved through the special signal coding and pulse frequency modulation technology, meanwhile, the defects of blind areas, high cost and multi-vehicle mutual interference of an AI detection mode are overcome, human body non-inductive safety and offline independent high-reliability detection are achieved, the false alarm rate is smaller than or equal to 0.05%, and the method is suitable for popularization and application. The strict requirement of a driving test policy on the stability of the sensor is met, and the requirement for simultaneous use of multiple vehicles in test and training scenes is met.

The utility model provides a plateau high-altitude outgoing line tower structure with a roof waterproof node structure. The plateau high-altitude outgoing line tower structure comprises a structural roof floor, concrete piers, an outgoing line tower, bolts, embedded parts and a waterproof structure. A concrete pier is directly and integrally poured on a structural roof floor, and an embedded part is arranged on the top face of the concrete pier; the outgoing line tower is arranged above the embedded part and is fixed with the embedded part through a bolt; a waterproof structure is laid on the intersecting surface of the concrete pier and the structural roof floor slab. The outgoing line tower is arranged on the concrete piers located on the structural roof floor, so that installation and construction of the outgoing line tower are facilitated, the construction difficulty is reduced, the construction efficiency is improved, the adverse effect of the outgoing line tower on the structural roof floor is reduced, the waterproof performance of a roof is guaranteed, and stable operation of a power system is guaranteed. The adopted roof waterproof node structure has the advantages of ultraviolet resistance, high temperature resistance, weather resistance and the like, the number of construction procedures is small, hollowing and falling of the waterproof roll are prevented, and the advantage of good waterproofness is achieved.

The invention relates to the technical field of coatings, in particular to water-based two-component low-temperature stoving varnish for a photovoltaic frame and a preparation method of the water-based two-component low-temperature stoving varnish. The water-based two-component low-temperature stoving varnish for the photovoltaic frame comprises a component A and a component B, comprising the following raw materials in parts by weight: 50-60 parts of resin, 10-25 parts of functional filler, 4-10 parts of a solvent, 0.2-0.5 part of a defoaming agent, 0.1-0.3 part of a wetting agent, 0.5-1.5 parts of a dispersing agent, 0.2-0.5 part of a thickening agent and 10-15 parts of water, and the component B is isocyanate. The low-temperature baking varnish prepared by the invention has good adhesive force and excellent corrosion resistance, aging resistance and wear resistance.

The utility model relates to a cold-formed thin-walled structure grating plate plant windproof device which comprises a windproof frame used for supporting and fixing a grating plate windproof assembly; the grating plate windproof assembly is detachably connected with the windproof frame and comprises a grating plate and a back steel plate, the back steel plate is used for being detachably connected with the windproof frame, and vegetation patterns or picture slogans are arranged on the surface of the grating plate. The cold-formed thin-walled section steel is adopted to replace a wood structure, so that the cold-formed thin-walled section steel has the characteristics of light weight, durability, wind resistance and the like, the use of wood can be reduced, and the turnover rate of materials is improved; the grating plate is adopted as a windproof material, plant greening patterns are arranged, the stereoscopic effect is achieved when the grating plate is viewed from all angles, and the grating plate has the advantages of being attractive, natural and the like and meanwhile has the characteristics of weather resistance and aging resistance. By adopting the detachable connection mode of the powerful magnets and the like, the device is easy to disassemble, assemble and transport, manpower and material resources are saved, and the cost is reduced.

The utility model discloses a cable for shore power system connection, which comprises a cable core and a first sheath used for wrapping the cable core, the cable core comprises a main power wire core, a ground wire core, an optical fiber unit, a monitoring wire and a filler, and the first sheath comprises an inner sheath, a waterproof layer and an outer sheath from inside to outside in sequence. The cable is reasonable in structural design, and has the following beneficial effects: the cable is resistant to tearing and bending, and can effectively prevent water; the three layers of water-blocking structures are arranged, and the inner sheath, the outer sheath and the water-blocking layer are arranged, so that the cable can be effectively prevented from being eroded by water under water or in a humid environment; the sheath is a TPU sheath, the material has super-strong wear resistance and more excellent low temperature resistance, the low temperature resistance can reach-50 DEG C, the tear strength is 80kN / m, the cracking of the sheath layer can be effectively prevented, and meanwhile, the material has flexibility resistance, oil resistance, hydrolysis resistance, weather resistance and the like.

The utility model relates to the technical field, in particular to a high-temperature-resistant cable protection tube. According to the technical scheme, the anti-splashing steel pipe comprises a pipe body, a heat-invaded plastic layer, a wear-resisting layer, an anti-splashing coating, a rope sleeve and binding rope bodies, the heat-invaded plastic layer is arranged outside the pipe body, the wear-resisting layer is arranged outside the heat-invaded plastic layer, the anti-splashing coating is arranged outside the wear-resisting layer, and the binding rope bodies are arranged on the anti-splashing coating at equal intervals. According to the utility model, the position of the cable protection pipe can be effectively positioned through the cooperation of the structures, and the anti-oxidation and high-temperature-resistant capabilities of the cable protection pipe are improved, so that the use effect of the protection pipe is improved.

The utility model relates to the technical field of conductor insulating cores, in particular to a cable copper-aluminum composite conductor insulating core, which comprises an outer protective sleeve and a conductor main core, the outer protective sleeve is cylindrical, a cylindrical cavity is arranged inside the outer protective sleeve, the conductor main core is cylindrical and is fixedly connected with the outer protective sleeve, and the conductor main core is fixedly connected with the outer protective sleeve. The waterproof isolation sleeve and the moisture-proof layer in the outer protection sleeve carry out waterproof protection on the conductor main core, the buffer layer prevents the conductor main core from being damaged by heavy pressure, the shielding layer isolates electromagnetic signal interference, the high-temperature-resistant layer protects the outer protection sleeve from being influenced by transmission heating of the conductor main core, and the main core conductor protection layer carries out secondary protection on the conductor main core. And the copper pipe aluminum bar is insulated and protected through the insulating layer.