50results about How to "Meet the durability" patented technology

The invention discloses a preparation method of heat-thermal conductivity and single-component silicon rubber, comprising the following steps of: treating white carbon black by a solvent which is mixed with a surface treating agent in a heating way, so that the surface structure of the carbon black can be furthest stretched, and mixing the white carbon black, surface-treated quartz powder and aluminum oxide, so that the effective heat-conducting contact area can be guaranteed to be maximum, a heat-conducting way can be guaranteed to be shortest, and the optimal heat-conducting effect can be achieved. The single-component silicon rubber with excellent heat-conducting property can be prepared by the action of a plasticizer, a crosslinking agent and a catalyst. The preparation method has the advantage that the obtained single-component silicon rubber meets the caking property and the durability, and has good heat conductivity.

The invention relates to a comprehensive test system for automobile instruments. According to the comprehensive test system for the automobile instruments, a CPU (Central Processing Unit) master control module is used for carrying out global control on other eight modules, the outputs of the modules are controlled at all time according to control instructions from a man-machine interface display module, and various parameters of the system can be inputted, modified and stored. The comprehensive test system can randomly meet the requirements on the repeated endurance test and basic error test on various automobile instruments, such as odometers, tachometers, water temperature gauges, fuel gauges, oil pressure gauges, barometers, voltmeters, and various indication lamps and lighting lamps of instrument panels, and the operation is simple. During the process of system designing, the ergonomic factors are fully considered, and the error-proofing design is fused during the process of parameter input, so that the parameter input is rejected and the operation of alarming is carried out if the data input is incorrect.

The invention discloses a planetary gear train to be used for a multi-gear transmission. At least nine available forward gears and at least one available reverse gear can be obtained. The planetary gear train comprises a first planet row, a second planet row, a third planet row and a fourth planet row. Each planet row comprises a sun gear, a planet carrier and a gear ring. Components and connection members of the planet rows can form seven rotation elements. A gear shifting component comprises two clutches and four brakes. The clutches are arranged among the selected rotation elements of the rotation elements, and the brakes are arranged between the selected rotation elements of the rotation elements and fixing parts. The planetary gear train has more gears and optimal speed ratio, the power transmission performance and the fuel economy of the cars can be improved apparently, and the planetary gear train is short, compact in overall design, capable of meeting requirements of cars for transmission durability, power transmission efficiency, size, costs and the like well. The invention further discloses an automatic transmission with the planetary gear train.

The present invention provides pressure-adjusting valve, which comprises: valve sleeve (36), which comprises high-pressure mouth, and the valve chamber (42) linked between the valve seat (38) and the mouth of the high pressure; valve core (39), which move in harmonization with the said valve seat to open and close the high pressure mouth; and voltage-adjusting spring (40), which insert force to the valve core-to-valve close valve direction with a set load. In the pressure-adjusting valve, the said valve core is in sphere-shape, and the valve room comprises the valve maintaining device (41) which has the sphere location concave part (55); part of the said valve core rotate with set in the location valve part; the guiding device (43) of the valve rod (41b) supporting the valve maintaining device is compressed into the inner circle of the valve sleeve and a pressure-adjusting spring is set between the location part and the valve maintaining device. Hence , the valve core can use steel ball, and reduce the flutter of the valve core, and get the pressure adjusting valve with satisfactory durability and high performance and low cost.

The invention relates to a post-tensioning prestressing intelligent reinforcement system based on a fiber grating sensing technology. The system comprises an intelligent steel strand (1), a coating agent layer (2), a sheath (3) and an anchor head. The intelligent steel strand, the coating agent layer and the sheath form an external prestressing intelligent steel strand, the end of the external prestressing intelligent steel strand is connected with a reinforced system through the anchor head, fiber grating sensors (11) are disposed in the intelligent steel strand (1), and the fiber grating sensors (11) include a monitoring fiber grating sensor (111) and a temperature compensation fiber grating sensor (112). According to the system, the fiber grating intelligent steel strand and the post-tensioning prestressing technology are combined and applied to an external prestressing reinforcement system, so that the external prestressing reinforcement system meets the requirements for strength, stability and durability needed by reinforcement and has a sensing characteristic, and the intelligent reinforcement system is formed. The post-tensioning prestressing intelligent reinforcement system can be widely applied to existing post-tensioning prestressing reinforcement structures such as masonry structures, concrete structures and steel structures provided with steel strands serve as stress components.

The invention discloses a motor seat capable of changing the tilt angles of the rotor surfaces of a multi-rotor unmanned aerial vehicle and relates to the field of control over the tilt angles of the rotor surfaces of multi-rotor unmanned aerial vehicles. The motor seat comprises a motor mounting plate, an electronic speed control mounting plate and a mounting plate seat; a deflection pipe is fixed on the mounting plate seat; a belt arm pull ring is fixedly connected on the deflection pipe; the deflection pipe is sleeved with a fixing sleeve for connecting an unmanned aerial vehicle arm; the fixing sleeve is provided with an arc-shaped opening in the central circumferential direction; a convex arm of the belt arm pull ring can rotate along the arc-shaped opening of the fixing sleeve; and the belt arm pull ring is in driving connection with a steering engine. According to the motor seat, the motor mounting plate is arranged to be a rotatable structure, when one rotor is in failure, the tilt angle of the rotor surface of the corresponding normal rotor is adjusted, and then rising force can be converted to the force resisting automatic rotation, so that the problem that in the prior art, when one rotor of a multi-rotor unmanned aerial vehicle is in failure, the unmanned aerial vehicle automatically rotates or loses control and falls down is solved.

The invention discloses a high-performance sound-absorbing damping soft porcelain decorative material and a preparation method thereof, and belongs to the field of novel building decorative materials.The high-performance sound-absorbing damping soft porcelain decorative material sequentially comprises a soft porcelain decoration surface layer, a sound-absorbing layer and a sound-insulating damping layer, wherein the soft porcelain decoration surface layer comprises the following components in parts by weight: 10-25 parts of silicone acrylic emulsion, 30-60 parts of quartz sand, 10-30 parts ofcement, 5-15 parts of a flame retardant, 0.5-2 parts of an inorganic pigment, 0.5-2 parts of a silane coupling agent and 10-25 parts of water, and the sound-absorbing layer and the sound-insulating damping layer respectively contain a sound-absorbing material and a sound-insulating material. According to the invention, the soft porcelain decoration surface layer is good in hydrophobicity and stain resistance, the sound-absorbing layer and the sound-insulating damping layer are obvious in noise reduction effect of, the decoration surface layer, the sound-absorbing layer and the sound-insulating damping layer are connected into a whole through slurry materials, and the prepared high-performance sound-absorbing damping soft porcelain decorative material has good flexibility and tensile resistance, has obvious sound-absorbing and noise-reducing effects, relieves the current noise pollution pressure in China, improves the living environment of people, and is an excellent building decorative material.

The invention provides a tread rubber composition for the regeneration of large transport vehicle tires, and the rubber composition comprises: 100 parts by weight of rubber raw materials which contain 57-63 parts by weight of natural rubber and 37-43 parts by weight of butadiene rubber; 53-57 parts by weight of carbon black which has a specific surface area for nitrogen adsorption of 118-122 m2 / g, a DBP oil absorption value of 124-128 cc / 100g, and a hue value of 119-122; and 3-5 parts by weight of reinforced resin which contains terpene and C9 petroleum resin. The tread rubber composition forthe regeneration of large transport vehicle tires meets requirements of both wearability and durability, and has favourable damage resistance and excellent heating resistance.

To provide a radiation-curable composition which can provide a cured product capable of sufficiently satisfying all of light resistance, transparency and curability and therefore can be useful in much more applications in addition to optical members, lighting members, and automobile members. A radiation-curable composition used after cured by radiation energy, wherein a cured product produced by curing the curable composition by radiation energy of 2 J / cm<2 >satisfies: an initial light transmittance of 80% or more at a wavelength of 380 nm, and a light transmittance retention of 90% or more after 200 hours of accelerated light resistance test.

The invention relates to a cement porous polymer composite heat insulation plate. The cement porous polymer composite heat insulation plate is characterized by comprising an efficient heat insulation layer, a three-dimensional rigid skeleton and a cement concrete layer using a porous polymer as light aggregate, wherein the three-dimensional rigid skeleton is connected between the cement concrete layer and the efficient heat insulation layer and respectively embedded into the cement concrete layer and the efficient heat insulation layer so as to form an integrated plate member. The heat insulation performance of the integrated plate member can be promoted, the mechanical strength of the integrated plate member can be improved, the surface density and the weight of the integrated plate member are reduced, and meanwhile, the requirements of fireproof, shockproof, durable and wall rendering construction are met; and moreover, punching shear resistance and bending resistance of the integrated plate member can be improved, and the mechanical property required by template engineering is met.

The invention discloses a prestressed fabricated pavement structure and a construction method, and aims to effectively improve the engineering construction convenience and continuously improve the quality and construction period controllability, the engineering structure durability, the comprehensive cost economy and the transportation and maintenance convenience of a fabricated pavement. According to the pavement structure, prefabricated pavement slabs are paved on an under-slab foundation to form an assembled pavement, each prefabricated pavement slab is of a one-way prestressed reinforced concrete structure, longitudinal U-shaped grooves are formed in the two transverse connecting ends of each prefabricated pavement slab at intervals in the width direction, and transverse U-shaped grooves are formed in the two longitudinal connecting ends of each prefabricated pavement slab at intervals in the width direction; the longitudinal U-shaped grooves and the transverse U-shaped grooves are recessed downwards from the top faces of the prefabricated pavement slabs, and embedded connecting components are arranged in the corresponding transverse U-shaped grooves and the longitudinal U-shaped grooves of every two adjacent prefabricated pavement slabs. The isolation layer, the graded broken stone cement stable layer and the cement sand mixed filling layer are sequentially laid on the surface of the soil base from bottom to top through a dry laying method. Paving is conducted on the cement sand mixed filling layers of the prefabricated pavement slabs, and every two adjacent prefabricated pavement slabs are connected into a whole through a pre-buried connecting component after all the prefabricated pavement slabs are leveled.

The invention relates to a concrete pavement material with a function of adsorbing and solidifying CO2 in automobile exhaust, a pavement and preparation and application methods thereof. The pavement material is the mixture of a cement-based composite cementing agent, fibers, broken basalt stones and the like. The fibers are basalt fibers, the grain size of the broken basalt stones ranges from 2.36 to 19.00 mm. The concrete pavement which is formed by casting water and at least two layers of the concrete pavement material provided by the invention has a compact bottom layer and a loose top layer; and the grain size distribution of the broken stones is increased layer by layer from bottom to top. On the one hand, the concrete pavement material has better road performances and excellent durability; and more importantly, all the ingredients of the concrete pavement material have excellent functions of adsorbing and solidifying CO2 in automobile exhaust. The concrete pavement material is particularly suitable for road pavements with high traffic flow, dense exhaust emissions (such as traffic light intersections, bus stops, parking lots and toll stations) and poor air circulation. Besides, a large amount of industrial wastes (such as steel slag and red mud) are utilized, to achieve remarkable energy-saving and environment-friendly effects.

The invention discloses a high-elasticity anti-cracking tunnel residue shotcrete material and a preparation method thereof, wherein the material comprises: cement, rubber particles, fine aggregate, coarse aggregate, fiber, a mineral admixture, a rheological thickener, a water reducer, and a quick-setting agent. The preparation method comprises: 1) carrying out uniform dry mixing on cement, rubberparticles and fiber according to a certain ratio, adding a mineral admixture, coarse aggregate and fine aggregate, and carrying out uniform dry mixing to obtain a mixture; 2) weighing mixing water, mixing a rheological thickener and part of the mixing water according to a certain ratio, and stirring to obtain a mixed solution; and 3) adding the mixed solution, the remaining part of the mixing water and a water reducer to the mixture, uniformly mixing, adding a quick-setting agent, and uniformly mixing to obtain the product. According to the present invention, the high-elasticity anti-crackingtunnel residue shotcrete material has working performances of light weight, high elasticity, impermeability, durability, frost resistance, crack resistance integrity and the like, and can meet the durability performance of concrete supporting structures and the requirements of modern tunnel engineering lining concrete materials.

The invention provides an optimization method for hole drilling simulation of electrophoreses. The method includes the steps of finding a corresponding regional position in a modeling model according to an electrophoretic malfunction area of a coated car, designing holes with different apertures on the regional position and conducting electrophoretic simulation calculation to obtain the relation between the apertures and the thicknesses of electrophoretic films; choosing a thickness value of an electrophoretic film as a comparison basis and adopting the distance between each nearest point based on the thickness value of the electrophoretic film and the center of each corresponding hole as an influence range of the film thicknesses of the apertures to acquire the relation between the apertures and the influence ranges of the film thicknesses; according to the relation between the apertures and the thicknesses of the electrophoretic films and the relation between the apertures and the influence ranges of the film thicknesses, combining the whole properties of the car to determine a hole drilling scheme; according to the hole drilling scheme, conducting electrophoretic simulation calculation in the modeling model, generating an optimization testing report, and drilling holes in the car according to the optimization testing report. The optimization method for the hole drilling simulation of the electrophoreses has the advantages of being capable of rendering the sizes and positions of the holes more precise, reducing production costs, shortening development circle of the whole car and improving production efficiency.

The invention discloses a pipe clamp supporting structure. The pipe clamp supporting structure comprises a supporting table, wherein the supporting table is provided with first hydraulic rods and a second hydraulic rod, and the first hydraulic rods are fixedly connected with a servo motor, a driving shaft, a driving gear and a gear ring; an input pipeline is connected with an oval material pipe Ithrough an input pipe clamp, the input pipe clamp comprises angle iron and an annular strip block, and the annular strip block is provided with an annular clamping groove and a flange hole; an outputpipeline is connected with an oval material pipe II through an output pipe clamp, and an oval material pipe III is arranged between the oval material pipe I and the oval material pipe II; and the outer wall of the oval material pipe III located in the middle is sleeved with a round supporting ring, the round supporting ring is fixedly connected with a spring rod, the spring rod is riveted to a horizontal fixing rod and an inclined swing rod, and a third hydraulic rod is riveted between the horizontal fixing rod and the inclined swing rod. The invention further provides a construction method for long-distance pumping of machine-made sand concrete. According to the pipe clamp supporting structure, two aspects of adjustment of a machine-made sand concrete formula and a pumping structure are synthesized, the problem of long-distance pumping of the concrete is thoroughly solved, and the pipe clamp supporting structure is suitable for pumping of 300 m or above.

The invention discloses an output gear. The output gear comprises five concentric cylinders unequal in diameter. The outer periphery of the second concentric cylinder, the outer periphery of the third concentric cylinder and the outer periphery of the fourth concentric cylinder are provided with second teeth, teeth and fourth teeth, respectively; the second teeth, the third teeth and the fourth teeth are equal to one another in number of tooth; each second tooth comprises first tooth segment and a second tooth segment, the modulus from the front end of the second tooth segment to the rear end thereof is gradient, the front end modulus of the second tooth segment is equal to the modulus of the first tooth segment, the rear end modulus of the second tooth segment is equal to the modulus of the corresponding third tooth. The output gear has the advantages that the problem that output gear device sub-assembly of the existing market is unable to meet the different requirements of different customers for linking portion (between a tooth plate and the output gear) is solved, the requirements on both process and strength are met, and the problems such as the demand on high quantity of new parts and low modular degree are solved. The invention further discloses the production method of the output gear and the output gear device sub-assembly with the output gear.

The invention belongs to the technical field of bridge inhaul cables, and particularly relates to an anti-icing ultra-durable inhaul cable. The anti-icing ultra-durable inhaul cable comprises cable strands, a protecting jacket coating outer layers of the cable strands, an electric heating wire connected with a power supply, and a switch controlling connection and disconnection between the electricheating wire and the power supply, adhesive tape is arranged on an outer layer of the protecting jacket in a spiral winding mode, the adhesive tape is arranged on the outer layer of the protecting jacket in a coating mode, bulged ribs are arranged on the outer surface of the adhesive tape in the longitudinal direction, and the electric hearting wire is arranged in the adhesive tape. The anti-icing and ice removal functions of the inhaul cable can be achieved while it is ensured that the inhaul cable has weather resistance and wind-rain induced vibration resistance.

The invention discloses a construction method for hoisting large glass of a vertical-bright transverse-hidden glass curtain wall by adopting an electric sucking disc and a winch. The construction method comprises the following steps of (1) early-stage preparation work; (2) glass transferring; (3) glass surface cleaning, and hoisting point and sucking disc installation; (4) hoisting starting; (5) glass adjustment and fixation; (6) joint glue injection; and (7) water spraying test. According to the construction method, in the construction process, the construction quality control effect is goodby adopting the construction method to hoist the large glass, and the installation precision is greatly improved; a structural system is more stable and reliable, the working efficiency is also greatly improved, and the construction is completed 20% earlier than the original set construction period; the whole installation process is low-noise construction, high-decibel construction machines and tools are not used, and the noise influence on the surrounding environment is reduced to the minimum; the whole installation process is completed on the ground and in a hanging basket, and the personalsafety of constructors is guaranteed; and in the using process of the glass curtain wall for installing the large glass through the electric sucking disc, the phenomena of glass panel joint dislocation and glue failure are avoided.

There is provided a ground hardening and stabilizing construction method. The ground hardening and stabilizing construction method which stabilizes by applying to ground a ground hardener completed by a first process of manufacturing a powder composition by mixing a silicon oxide (SiO), a steel oxide (Fe O ), a calcium oxide (CaO), an aluminum oxide (AL O ), a sulfuric acid (H 2 SO 4 ), a magnesium oxide (MgO), and a lignin sulphonate to cement as a rein- forcement filler for soil of clay, sand, dirt, organic; a second process of manufacturing a mixed soil stabilizing composition by mixing a stearicate, a sodium hydroxide (NaOH), a silica (SiO ), and a tripolyphosphate to the powder composition; a third process of manufacturing a ground hardener (GH agent) by mixing cement to the soil stabilizing composition, the method comprising: applying, mixing, paving, pressing, and cementing to a ground hardener of 1 to 15 wt% to a unit weight of the ground soil, when an object ground to be stabilized is general soil ground.

A concrete hinge joint structure provided with intersecting shearing-resistant reinforcing steel bars comprises a hinge joint body formed by connecting the bottoms of a first hollow slab girder and asecond hollow slab girder, wherein protruding blocks are arranged on the two sides of the bottoms of the first hollow slab girder and the second hollow slab girder. The multiple first upper high-strength reinforcing steel bars inclining upwards at a certain angle relative to the horizontal direction are evenly arranged on the upper portion of the first hollow slab girder in the extension directionof the hinge joint body. The multiple second upper high-strength reinforcing steel bars inclining upwards at a certain angle relative to the horizontal direction are evenly arranged on the upper portion of the second hollow slab girder in the extension direction of the hinge joint body. The multiple first lower high-strength reinforcing steel bars are evenly arranged on the lower portion of the first hollow slab girder in the extension direction of the hinge joint body. The multiple second lower high-strength reinforcing steel bars are evenly arranged on the lower portion of the second hollowslab girder in the extension direction of the hinge joint body. By the adoption of the provided concrete hinge joint structure provided with the intersecting shearing-resistant reinforcing steel barsand a construction method of the concrete hinge joint structure, the problems that the shear performance is poor and construction is inconvenient can be solved, the shear capacity of a hinge joint isimproved, and construction is greatly simplified.

The invention relates to the field of building materials, and provides graphene fiber thermal insulation mesh fabric and a preparation method thereof. The graphene fiber thermal insulation mesh fabriccomprises a graphene fiber thermal insulation net unit, wherein the graphene fiber thermal insulation net unit comprises a fiber thermal insulation mesh and a graphene coating layer coating the surface of the fiber thermal insulation mesh; the fiber thermal insulation mesh is formed by weaving glass fiber and basalt fiber; the graphene coating layer comprises the following raw material components in parts by weight: 1 to 5 parts of graphene, 240 to 320 parts of deionized water, 0.3 to 0.6 part of a benzyl naphthalene sulfonated formaldehyde condensate, 0.8 to 1.2 parts of dodecyl diphenyl ether sodium disulfonate, 1.1 to 1.5 parts of sorbitan monopalmitate, 0.5 to 0.7 part of 2, 2'-azobis (2, 4-dimethyl-4-methoxyvalero-nitrile), and 70 to 80 parts of diallyl terephthalate. The graphene fiber thermal insulation mesh fabric solves the problems in the prior art that building insulation materials are short in service lives, insufficient in structural reinforcement effect and limited in application range, and cannot be anti-static, is applicable to construction of interior and exterior walls and grounds, and has an important structural effect.

A polarizing plate, an optical film, and an image display are provided to improve durability and productivity without a heating process by using an electron beam curing adhesive. A polarizing plate includes a polarizer, an adhesive layer, and a transparent protective film. The transparent protective film is formed on at least one surface of the polarizer while interposing the adhesive layer therebetween. The adhesive layer is made of an active energy ray curing adhesive containing at least one curing component. A glass transition temperature of the adhesive layer is more than 60°C. A thickness of the adhesive layer is 0.01 to 7mum. A gel fraction of the adhesive layer is more than 50wt%.