107results about How to "Play a strengthening role" patented technology

This invention relates to a high-strength and high-toughness maraging stainless steel, whose chemical composition is: C less than or equal to 0.02 wt.%, Si less than or equal to 0.1 wt.%, Mn less than or equal to 0.1 wt.%, S less than or equal to 0.01 wt.%, P less than or equal to 0.01 wt.%, Cr 10.0-11.5 wt.%, Ni 11.7-12.5 wt.%, Mo 0.5-2.0 wt.%, Ti 1.2-1.7 wt.%, Al 0.02-0.5 wt.%, and Fe as balance. The strength of the maraging stainless steel is 1700-1800 MPa. The maraging stainless steel has such advantages as low cost, high strength, high fracture toughness, and high corrosion resistance.

The invention provides a method for manufacturing a large-size heat-treatment aluminum alloy slab ingot capable of being strengthened, and relates to a method for manufacturing the aluminum alloy slab ingot. The method for manufacturing the large-size heat-treatment aluminum alloy slab ingot capable of being strengthened mainly solves the problems that as for an aluminum alloy slab ingot prepared in the prior art, the casting yield is low, and wide and thick slabs with excellent properties cannot be rolled out. The method comprises the first step of material weighing, the second step of smelting, the third step of casting melt preparation and the forth step of molding, and the large-size heat-treatment aluminum alloy slab ingot capable of being strengthened is obtained. By means of the method, according to the prepared large-size heat-treatment aluminum alloy slab ingot capable of being strengthened, the yield strength ranges from 98 N/mm<2> to 120 N/mm<2>, the tensile strength ranges from 182 N/mm<2> to 201 N/mm<2>, and the elongation percentage in a casting state ranges from 9.56% to 14.7%. By means of the method, the large-size heat-treatment aluminum alloy slab ingot capable of being strengthened can be obtained.

The invention relates to the technical field of shipbuilding, and discloses a ship wall door and window hole machining method and a door and window hole machining hole shape maintaining tool. The shipwall door and window hole machining method comprises the steps of forming a door and window hole in the preset door hole machining position of a wallboard blank to form a wallboard; welding studs tothe periphery of the exterior of the door and window hole of the wallboard at intervals; detachably connecting a reinforcing rib set to the wallboard through the studs, and enabling the reinforcing rib to surround the door and window hole to form a frame structure; carrying out assembly segmentation on a plurality of wallboards, and then carrying out block assembling; and disassembling the reinforcing rib set and the studs on the wallboards. The door and window hole machined through the ship wall door and window hole machining method is small in deformation, and the damage to base metal is small. The door and window hole shape maintaining tool is easy and convenient to operate through the ship wall door and window hole machining method, and the deformation generated in the assembly segmentation process and the block assembling after door and window hole machining can be reduced.

The invention discloses an organic light-emitting diode display panel, which comprises a first thin film transistor array substrate; a first cover plate is arranged on the first thin film transistor array substrate, wherein the first cover plate is provided with first sintering glue and second sintering glue, and an area between the first and the second glue corresponds to the first thin film transistor array substrate; and structural strengthening glue arranged outside the first and the second glue of the first cover plate and contacted with the first thin film transistor array substrate and the first cover plate. The invention further discloses a manufacturing method of the organic light-emitting diode display panel. The invention prevents the phenomenon that the thin film transistor array substrate or the cover plate warps caused by a negative pressure between the thin film transistor array substrate and the cover plate, so that the organic light-emitting diode display panel is more firm and stable in structure.

The invention discloses a BN-Si2N2O composite ceramic and a preparation method thereof, relates to a boron nitride based ceramic material and a preparation method thereof, and aims to solve the problems that an existing method for preparing the boron nitride based composite material is high in preparation cost, low in efficiency and difficult in preparation of large-size boron nitride based ceramic components. The BN-Si2N2O composite ceramic is prepared from amorphous nano silicon dioxide, silicon nitride powder and hexagonal boron nitride powder. The preparation method comprises the following steps of: one, weighing; two, preparing slurry through ball milling; three, drying to prepare powder; four, prepressing and forming; five, performing isostatic cool pressing treatment; and six, performing sintering treatment to obtain the BN-Si2N2O composite ceramic. The preparation method has the advantages that the preparation cost is reduced, the efficiency is improved, and the difficulty for preparing the large-size boron nitride based ceramic components is reduced. The preparation method is mainly used for preparing the BN-Si2N2O composite ceramic.

A method for remotely monitoring damage of the interlayer structure of a wind power blade is used for monitoring the damage position and the damage degree of the interlayer structure of the wind power blade. According to the method, a carbon fiber intelligence layer (6) is laid on a beam cap (2) below one outer skin of the wind power blade (1) and a rear edge beam below another outer skin of the wind power blade (1) based on the functional characteristics of the carbon fiber intelligence layer (6) and the special shape following performance of composite materials, a sensitivity field is established between the carbon fiber intelligence layer (6) and the structure to be monitored, the carbon fiber intelligence layer (6) converts a force field of the structure to be monitored into an electric field easy to detect, the conditions of stress and strain of the structure to be monitored can be known through an ERT tomography system (10) according to resistivity distribution of the electric field, and then the damage position and the damage degree of the structure to be monitored can be judged. By means of the method, the use process of the wind power blade (1) can be remotely monitored in real time without disassembly of the blade or a halt which influences normal operation of a wind power generator, and the condition of crack growth in the structure of the wind power blade (1) can be known in real time so as to give an alarm in time.

A hinge type dumper hydraulic oil tank comprises a hydraulic oil tank body. An oil return cavity is formed in the top face in a cavity body of the hydraulic oil tank body. An oil return pipe communicating with the oil return cavity is arranged on the side face of the oil return cavity. The other end of the oil return pipe communicates with an oil return port, wherein the oil return port is fixed to the side face of the hydraulic oil tank body and is close to the position of the bottom face, and the oil return port communicates with an outer hydraulic system. The hinge type dumper hydraulic oil tank further comprises a plurality of oil return filters. Oil inlets of the oil return filters are arranged in a cavity body of the oil return cavity, and after penetrating out of the bottom face of the oil return cavity, oil outlets of the oil return filters extend towards the cavity body of the hydraulic oil tank body; and the part between the radial outer circumferential face of each oil return filter and the oil return cavity is sealed. The novel hinge type dumper hydraulic oil tank is provided, the hydraulic system oil liquid cleanliness can be achieved, oil suction and return oil filter element replacement is simple, and stable running of the hydraulic system is guaranteed.

The invention relates to an ultra-wide apron conveyer belonging to the technical field of material conveying equipment. The conveyer comprises a head, a tail, a middle casing, an apron, a chain and a steel rail set, wherein rolling wheels are arranged between the apron and the steel rail set, and the steel rail set comprises a plurality of parallel steel rails which are welded on a middle bracket. The apron is driven by a driving device to operate on the steel rails according to the designed track, the material is lifted through the narrow and long apron and a guide chute arranged on the middle casing to finish the conveying task, and the conveying process with large conveying capacity, specific material characteristics, certain material temperature and certain conveying angle can be finished. The invention has good using effect in refuse treatment, raw material conveying of biomass power generation and slag removal systems of large thermal power units, and has advantages in the process of conveying large high-temperature materials in the fields of mines, coal, metallurgy, chemical industry, casting and the like.

The invention belongs to the field of titanium alloy powder metallurgy materials and provides high-formability unsaturated titanium hydride powder. The high-formability unsaturated titanium hydride powder comprises 70wt%-77wt% of a main phase TiH1.5, 13wt%-18wt% of an alpha-Ti phase and 10wt%-15wt% of a TiH phase and is prepared by unsaturated hydrogen absorption of titanium sponge or incomplete dehydrogenation of TiH2 powder. The unsaturated titanium hydride powder is excellent in formability, less prone to cracking and layering in blank forming, high in forming rate and especially suitable for manufacturing of complex large parts and has advantages of high sintering yield in subsequent sintering and excellent product mechanical properties.

The invention discloses a stable manufacturing method of an aluminium-alloy medium-thickness plate and belongs to the technical field of aluminium alloy. The stable manufacturing method comprises thefollowing steps: (S1) preparation of aluminium-alloy molten liquid; (S2) preparation of an aluminium-alloy cast ingot; (S3) destressing treatment; (S4) sawing of the aluminium-alloy ingot; (S5) solution treatment; (S6) multidirectional forging; (S7) prestretching; (S8) ageing treatment to obtain the finished product. The stable manufacturing method disclosed by the invention has the beneficial effects that by adoption of a reasonable machining process, the comprehensive properties of ductility, strength of extension, yield strength and the like of the aluminium-alloy medium-thickness plate areimproved.

The invention belongs to the technical field of machinery equipment for electrophoretic coating, and especially relates to a wheel hub electrophoretic coating hanger. The hanger comprises a main rod and at least a pair of hanging rods; the main rod is a cylindrical steel vertical column, the hanging rods incline from the main rod downwards and are fixed on the main rod; each hanging rod is composed of a linear body and an end part, which is far from the body and is provided with a folded portion; the free end of the end part is a sharp part; the minimal distance between the base of the sharp part and the body of the handing rod is shorter or equal to the minimal distance between the base of the sharp part and the bottom in the folded part of the folded portion. By using the hanger, the wheel hub can be tightly fixed during electrophoresis, and the wheel hub needs little painting after electrophoresis.

The invention discloses suspended type multiple layers of clapboards for a locker. The clapboards are arranged into multiple layers from top to bottom along a wall plate (1) of a locker, and the clapboards (2) comprise multiple clapboard supports (21) and shelf boards (22) arranged on the multiple clapboard supports (21), wherein a buckling support part (3) is formed at one side edge of each clapboard support (21), and is fixed with a neck (11) on the wall plate (1) by buckling; a horizontal supporting plane is formed at the upper end of each clapboard support (21); and the shelf board (22) is buckled on the horizontal supporting plane (4) of the clapboard supports (21) in a mode of being vertical to the wall plate (1) of the locker. The clapboards provided by the invention can be distributed on the wall plate freely, and form buckling connection by virtue of the buckling support part and the neck on the wall plate, and a partition position can be changed very conveniently according to needs of a user, so that storage partitions formed by the clapboards in the locker have more special shapes.

The invention discloses a process for producing a special steel mesh transmission belt, which is carried out by the following steps: (1) mixing: weighting and preparing all raw materials according toa process prescription to prepare rubber material; (2) rubber making: feeding all raw materials into a refining machine to mix for 8-10 minutes and then discharging; (3) canvas: carrying out double-surface bonding on the glue soaked canvas on a three-rolling calendar; (4) forming: placing a stainless steel mesh under the covering glue for forming; and (5) vulcanizing: carrying out pretreatment ona formed belt body according to different types of the transmission belt and vulcanizing according to operation process requirement. All positions of the transmission belt are uniformly stressed, andthe stress performance of the canvas is optimized so that the canvas is difficult to deflect and laniate; and V-shaped belts playing a role of positioning are respectively arranged at both side edgesof the belt body, thereby further preventing the deflecting phenomenon of the transmission belt, reducing the waste of materials, strengthening the transmission belt and further improving the mechanical performance of the transmission belt.

The invention discloses a prefabricated anti-cracking door frame vertical board for a ribbon board internal parting wall door opening structure. The prefabricated anti-cracking door frame vertical board comprises prefabricated door frame vertical board bodies; L-shaped notches are formed in the upper parts of the prefabricated door frame vertical board bodies, so that the prefabricated door framevertical board bodies are connected with prefabricated door head boards in a joint-staggering engaged mode to improve the connecting firmness of the prefabricated door frame vertical board bodies andthe prefabricated door head boards; prefabricated grouting grooves are formed in the outer side faces of the prefabricated door frame vertical board bodies, during door opening splicing, the prefabricated door head boards are inserted in the L-shaped notches of the two corresponding prefabricated door frame vertical board bodies to form a door opening, internal parting wall ribbon boards are spliced on the side face of the door opening, and prefabricated mortar storage grooves are compactly filled with mortar to form secondary connecting bodies with the internal bolting effect to be fixedly connected; and jointing grooves are formed in the edges of the outer sides of the L-shaped notches correspondingly and spliced with the adjacent prefabricated door head boards with jointing grooves andthe internal parting wall ribbon boards during door opening splicing to define anti-cracking edge sealing grooves, net laying and mortar smearing are conducted on the interiors of the anti-cracking edge sealing grooves to form anti-cracking connecting bodies, the connecting strength of joints is improved, and the phenomenon that as for an existing door opening structure, due to frequent opening and closing and vibration of a door, the spliced positions of the door opening are prone to being cracked is effectively avoided.

The invention belongs to the technical field of assembly buildings, and particularly relates to an assembly type brick membrane. The assembly type brick membrane comprises a prefabricated base, a prefabricated reinforcing column used for reinforcing and lengthening, and a prefabricated standard part located on the upper portion of the prefabricated base and used for heightening the prefabricated base. The prefabricated base and the prefabricated reinforcing column are located on the same horizontal plane. Due to the fact that the prefabricated base, the prefabricated reinforcing column and theprefabricated standard part can be spliced through convex blocks and grooves, the prefabricated base, the prefabricated reinforcing column and the prefabricated standard part which are spliced are connected through T-shaped rebars or lengthening rods in installing holes, concrete is poured into the installing holes, brick membranes used in production can be obtained through splicing of the parts,and the advantages that construction is convenient, assembly is rapid, and environmental friendliness is achieved are achieved.

The invention discloses a novel damping wear-resisting hypereutectic aluminum-silicon alloy preparing method based on rare earth cerium modification. The method comprises the steps of carrying out raw material preparing, padding melting and refining casting, obtaining an intermediate alloy, adding modification agent rare earth cerium according to the specific mass fraction, and carrying out stirring at a time every interval of 5 min until the intermediate alloy added with the medication agent rare earth cerium is completely molten at the temperature of 760 DEG C to 780 DEG C and is subject to heat preservation for 20 min; carrying out repeated refining casting operation on the a melt obtained after complete melting of the intermediate alloy added with the modification agent rare earth cerium, carrying out casting, and obtaining the rare earth aluminum-silicon alloy. According to the novel damping wear-resisting hypereutectic aluminum-silicon alloy preparing method based on rare earth cerium modification, alloying elements of Cu and Bi are adopted, and are dissolved in the aluminum-silicon alloy melt in a solid manner, in the casting and solidifying process of a metal mold, a second phase of a hard point is formed and distributed on an alloy base body, the effect of second phase reinforcing is achieved, and wear resistance of an alloy material is ensured.

The invention provides a method for the luminescence of a microwave electrodeless ultraviolet light source, comprising the steps as follows: microwaves from a microwave source are collected and transmitted through wave-collecting materials; the microwaves are gathered around a microwave electrodeless ultraviolet illuminant; the luminescence intensity of the microwave electrodeless ultraviolet illuminant is adjusted through regulating the degrees of the collected microwaves. The invention also provides a device for realizing the method, the structure of which is that the device consists of a microwave generator, a microwave-collecting device and an electrodeless ultraviolet illuminant. The electrodeless ultraviolet illuminant is arranged below the microwave generator; the microwave-collecting device is arranged around the electrodeless ultraviolet illuminant, and leads the microwave to be gathered around the illuminant. The method for the luminescence of the microwave electrodeless ultraviolet light source and the device for realizing the method can be applied for the photo-catalytic synthesis, the sterilization and disinfection and the water treatment, and can lead the electrodeless illuminants with lengths more than 80 cm to glow, control the luminescence intensity, improve the resource utilization, and reduce power consumption with wide application.

The invention discloses a climbing assisting scaffold which comprises two groups of steel pipes, wherein the upper ends and the lower ends of the two groups of steel pipes are fixedly provided with circular discs; transverse supporters are fixedly connected between the circular discs of the two groups of steel pipes; storage grooves are formed in the side walls of two sides of the steel pipes in astaggered way; a position limiting frame is fixedly arranged at the bottom of an inner cavity of each storage groove; a pin shaft is arranged on the top of each position limiting frame; a pedal frameis rotationally connected onto each pin shaft; and the pedal frame can be stored into the storage groove. The climbing assisting scaffold has the advantages that the structure is simple; convenienceand practicability are realized; when a user needs to use a climbing function, the pedal frames are pulled to a horizontal state from the storage grooves through handles, so that the user can upwardsclimb with the help of the pedal frames; and when the climbing function is not used, the pedal frames are collected into the storage grooves to realize the storage.

The invention relates to the technical field of a transmission pole tower, in particular to a high-intensity and light-weight pole tower. The high-intensity and light-weight pole tower comprises a center shaft, the center shaft is spliced by several modules from top to bottom, each module comprises three layers of structures, and the structures are all combinations which are combined by several splicing blocks in the circumferential direction. The whole pole tower is modularized so that the pole tower can be transported in a decomposing mode, and the transport difficulty is lowered; meanwhile,through splicing of multiple layers of structures and each layer of structure, the intensity of the pole tower is effectively increased, and the design of different hierarchical structures and splicing seams in all layers of structures both support and reinforce the pole tower.

The invention belongs to the field of soil improvers and in particular relates to a preparation process of a long-lasting composite preparation for treating soil cadmium pollution. According to the specific technical scheme, a passivator comprises the following components in parts by weight: 45-50 parts of fruit shell activated carbon, 35-40 parts of an alkali phosphate chelating agent, 10-20 parts of water-soluble resin and 10-20 parts of water-soluble silicate. The passivator is natural in material and free of secondary pollution to soil, has super strong adsorption and precipitation capabilities for heavy metal cation pollutants such as Cd<2+> and the like in soil, is capable of effectively alleviating or relieving 'cadmium poisoning' of plants, is long lasting in effect and does not need to be repeatedly used within a short time.