Equipment for Generating Fatigue Assessment Scales

The invention relates to equipment for generating fatigue assessment scales, which relates to the technical field of fatigue detection and solves the technical problem that a fatigue assessment scale with higher reliability cannot be obtained in the prior art. The equipment for generating a fatigue assessment scale comprises an input device, an analysis device and an output device. It specifically forms an initial scale through the input device, and carries out item analysis on the initial scale to obtain the correlation among various items and between each item and all items, thereby deleting unqualified items in the initial scale to form an intermediate scale. Therefore, the intermediate scale has high feasibility. Meanwhile, the reliability and validity of the intermediate scale are tested, and the unqualified items in the intermediate scale are deleted to form the final scale, which is a fatigue assessment scale with high reliability and feasibility.

Method for renovating lubricant pump casing bush with plasma spraying Cu-Al coating

A method for repairing a lubricant pump shell bushing by plasma sprayed Cu-Al coating belongs to the technical field of aviation. The repairing of a narrow-arc convex end face of the lubricant pump shell bushing by a plasma spraying method comprises the steps of washing, grit blasting, protection, spraying the spray material on the narrow-arc convex end face of the lubricant pump shell bushing by plasma spraying equipment. By adopting the method for repairing the lubricant pump shell bushing by plasma sprayed Cu-Al coating, the sprayed coating has as high as 41.07MPa of bonding strength and relatively stable hardness value. Bending test result shows that the coating bond is relatively good, and coating microscopic test shows that the metallurgical structure is relatively compact. The method has the advantages of reasonable process and correct preferences, which achieves the effect of repairing the lubricant pump shell bushing and has significance in prolonging the service life of the lubricant ...

USB interface switching device

The utility model discloses a USB interface switching device, including casing and interface, be equipped with first perforation in one side of casing, interface movable mounting is in first perforation, be equipped with USB interface and power source on the interface, the interface includes keysets and support, and the support is a framework, and the keysets is fixed with the support activity, and it has second perforation and third to perforate to open in one side of support, sets up USB mouth and power mouth in one side of keysets, and the USB mouth is perforated to cooperate with the second and is formed power source with third perforation cooperation formation USB interface, power mouth. The beneficial effects of the utility model are that: through with interface movable mounting in first perforation, when USB interface on the interface or power source have the damage, can be directly alias more, and need not change the whole device including the casing, the make full use of who has ...

Hot-dip galvanized plate, preparation method of hot-dip galvanized plate, panel comprising hot-dip galvanized plate, side plate comprising hot-dip galvanized plate and refrigerator

The invention provides a hot-dip galvanized plate, a preparation method of the hot-dip galvanized plate, and a panel, a side plate and a refrigerator comprising the hot-dip galvanized plate, belongs to the technical field of hot-dip galvanized plate processing, and can solve the technical problems that in the prior art, in order to improve the comprehensive mechanical property of the hot-dip galvanized plate, various alloys need to be added, so that the production cost of a steel plate material is increased, and large-scale popularization is not facilitated. According to the technical scheme, the hot galvanized plate is a steel plate with a galvanized surface, and the steel plate comprises the following chemical components in percentage by mass: 0.10%-0.20% of C, 0.01%-0.05% of Si, 0.81%-1.04% of Mn, less than or equal to 0.015% of P, less than or equal to 0.009% of S, 0.018%-0.032% of Al, 0.018%-0.043% of Ti, 0.82%-1.73% of Cu and the balance of Fe and impurities. The refrigerator panel ...

Blade array type liquid shot blasting control method

According to the blade array type liquid shot blasting control method, blades are clamped in a circumferential array mode and placed in a rotary table, the blades are kept relatively static, the whole blades rotate circumferentially along with the rotary table, one or more spray guns are adopted for controlling the shot blasting path and the moving track independently or in a mirror symmetry mode, and the shot blasting speed is increased. Therefore, continuous, batch and efficient liquid shot blasting processing is realized. Compared with a machining mode of a plurality of rotary tables and single blades, the working efficiency is improved by more than two times; meanwhile, the damage risks that the surfaces of the parts are scratched by shots, and the air inlet and outlet edges are subjected to direct injection curling by embedding and rotary shot blasting are reduced, the residual stress on the surfaces of the obtained blades is uniform, and the fatigue performance is greatly improved ...

Milk drinking device

The invention discloses a milk drinking device for kitties, which is formed by a milk tank, an information processor, a plurality of sensors and a dish for drinking in a connecting way. The information processor is equivalent to the CPU of a computer and is used to control the flow of the entire device. When a kitty passes through the milk tank, one sensor transmits information to the information processor and then the information processor sends a command to another sensor to enable the milk tank to give off milk to the dish for the kitty to drink; and when the kitty walks away, a third sensor transmits the information to the information processor and the milk tank stops giving off milk to the dish. The invention has the advantages that the structure is novel, small animals such as kitties can drink milk more conveniently and the practicability is high.

High-safety stamping device and using method

The invention relates to the technical field of stamping, in particular to a high-safety stamping device and a using method.The high-safety stamping device comprises a stamping machine body, a hydraulic cylinder installed on the stamping machine body, a machining table installed on the stamping machine body, an upper die installed at the bottom of the hydraulic cylinder, a lower die installed at the bottom of the hydraulic cylinder and a lower die installed at the bottom of the upper die, an annular groove is formed in the peripheral side of the mold groove. During stamping, when a barrier exists between the upper die and the lower die, the protective cover drives the first rack to be inserted into the bottom of the cutter assembly, the supporting rod is blocked by the first rack when being inserted into the annular groove, and the upper die cannot stamp a stamping part; stamping injury caused when the hands of workers are located between the upper die and the lower die due to non-standard ...

Chinese decoction refined product and its preparation method

The Chinese medicinal material is prepared, and decocted in water as solvent to fully extract its effective component, and then the decoction is passed through such processes of concentration, drying, pulverizing, granulating, sterilizing and quality testing, and then made into the packaged single drug with differnet weights according to the dosage of said medicinal material, so that it is Chinese decoction refined product for clinical dispensation. When using, according to the prescription the several kinds of packaged drugs are dispensed, and can be taken after being infused in boiling water. Said invention can economize the Chinese medicinal material and raise the curative effect.

Method for preparing seal coating by plasma spraying

The invention discloses a method for preparing a seal coating by plasma spraying. Al/BN alloy powder and NiAlW alloy powder are used as raw materials, and the coating is prepared by adopting a plasma spraying mode, wherein the Al/BN alloy powder is used as a surface material and comprises the following components in percentage by mass: 18.0 to 25.0 percent of BN, 4.0 to 8.0 percent of SiO2 and the balance of Al; and the NiAlW alloy powder is used as a bottom material and comprises the following components in percentage by mass: 20.0 to 24.0 percent of Al, 1.5 to 4.0 percent of Cr, less than or equal to 2.0 percent of W, 0.2 to 1.2 percent of Co, 0.2 to 1.2 percent of Mo, 0.2 to 1.0 percent of Ti and the balance of Ni. The coating plays a low-temperature sealing role, and the design point temperature is about 400 DEG C. The method fills the technical blank, and has obvious good technical effect.

Flow deflector composite material part RTM forming tool and forming method thereof

The invention discloses a flow deflector composite material part RTM forming tool. The forming tool comprises a skin prefabricated body forming die, a left end rib prefabricated body forming die, a right end rib prefabricated body forming die, a wire filling area prefabricated body forming die, a foam sandwich layer cementing forming die and an RTM main body forming die. The skin prefabricated body forming die is used for paving and forming an equal-thickness area of a skin, the left end rib prefabricated body forming die and the right end rib prefabricated body forming die are used for paving and forming equal-thickness areas of a left end rib and a right end rib respectively, and the wire filling area prefabricated body forming die is used for forming non-equal-thickness closed areas of the skin and the end ribs. The foam sandwich layer cementing forming die is used for curing and forming the foam sandwich, the end ribs and the glass fiber reinforced plastic embedded block by adopting ...

Large-through-current spring contact longitudinal connector

The invention relates to the technical field of power device connection, in particular to a large-through-current spring contact longitudinal connector which comprises a static contact seat with an upward opening, two contact plates and four buffer springs. Each contact plate opposite to the static contact seat is provided with two springs holes from to bottom, one end of each buffer spring respectively penetrates the corresponding spring hole, and the other end of each buffer spring penetrates the static contact seat. Two contact plates are respectively, symmetrically and vertically fixed on the inner side bottom face of the static contact seat through double-end molybdenum nuts, the inner side of each contact plate is provided with a round groove capable of accommodating a closed annular square spring contact finger, and the ends of the closed annular square spring contact fingers are in contact with movable contacts inserted into the static contact seat. The large-through-current spring ...

Forming method and mold for aircraft titanium alloy TA32 bulkhead

The invention belongs to the field of hot stamping machining, and particularly relates to a forming method and a die structure for an aircraft titanium alloy TA32 bulkhead. The forming method for the aircraft titanium alloy TA32 bulkhead comprises the following steps that (1) the size and the appearance of a blank are determined, specifically, the forming process of the bulkhead is simulated through stamping CAE software DYNAFROM, and the ideal size and the ideal appearance of the blank are obtained; (2) determining a mold material: adopting heat-resistant stainless steel as a mold material for forming; (3) determining a mold structure: adopting a structural form of an upper mold and a lower mold; (4) forming a bulkhead: mounting the mold on a thermal forming machine tool, and putting the blank into the mold for forming; and after the blank is formed, a formed part is cut. The method has the following advantages: 1, the purchase cost of materials and the time cost are saved; 2, the lateral ...

Physical deposition simulation experiment device and experiment method for geological characteristic research

The invention discloses a physical deposition simulation experiment device and experiment method.The physical deposition simulation experiment device for geological feature research comprises a bottom plate, a water tank and a test box, the water tank is fixedly installed at the top of the bottom plate, the test box is fixedly installed at the top of the water tank, and the top of the test box is of an opening structure; sediment and a plurality of pebbles are placed in the test box. The device is reasonable in design, good in practicability, good in functionality, capable of simulating deposition experiments of different wave conditions, different wave direction conditions, slow water level descending conditions, rapid water level descending conditions, slow water level rising conditions and rapid water level rising conditions, capable of meeting the actual environment requirements as much as possible and high in practicability. The accuracy of the deposition experiment result is improved ...

Bracket material of bone tissue engineering of self-promoting vascularizing strontium-doped calcium polyphosphate and preparation method

The invention discloses a bracket material of bone tissue engineering of self-promoting vascularizing strontium-doped calcium polyphosphate and a preparation method. The bracket material mainly consists of strontium polyphosphate and calcium polyphosphate according to mol ratio of strontium and calcium of 0.5-10% and is in a porous block structure. The preparation method comprises the following steps of: proportioning the strontium polyphosphate and calcium polyphosphate according to the mol ratio of strontium and calcium determined by the bracket material of bone tissue engineering, adding 30-50% of a cavity-inducing agent based on the proportional weight of the strontium polyphosphate and calcium polyphosphate, preparing blocks with designed shapes after adequately mixing; sintering for 1-3 hours at 820-950 DEG C, and cooling along with the sintering device to environmental temperature, thus, the bracket material having the self-promoting vascularizing function is obtained. The bracket ...

Method for preparing seal coating by plasma spraying

Co-Al permeating furnace device for hollow turbine blade of combustion gas turbine

The invention discloses a Co-Al permeating furnace device for a hollow turbine blade of a combustion gas turbine. The Co-Al permeating furnace device mainly comprises a heating furnace body, an electrical heating element, a furnace lid, a furnace pot, a vacuum-pumping system, a temperature control system, a thermocouple and the like. The Co-Al permeating furnace device has the beneficial effects that a Co-Al permeating method of the Co-Al permeating furnace device belongs to a gas-phase metal diffusion process, and adopts a one-step diffusion method; and the basic principle is as follows: a diffusion metal is activated through an activating agent such as a halogen or a halogen compound, is deposited on the metal surface under a vacuum or protective atmosphere condition, and reacts with matrix alloy to diffuse, so as to form a diffused metal or compound.

Semi-automatic rapid charging mechanism suitable for top plate blast hole

The invention discloses a semi-automatic rapid charging mechanism suitable for a top plate blast hole, and relates to the technical field of mine blasting. The charging mechanism comprises a feeding device, a fastening pulley, a feeding groove and a hopper, the fastening pulley is arranged in a blast hole, the feeding device passes through the fastening pulley and the feeding groove in a laying mode through a cable, the feeding groove comprises a travel switch, the hopper is provided with a lifting device and a plurality of explosive packages, and the lifting device is connected with the fastening pulley and the feeding groove. The travel switch is respectively connected with the feeding device and the lifting device, the explosive package is manually bound with a mooring rope through a binding belt, the travel switch is triggered, the feeding device drives the explosive package to rise into a blast hole, and the lifting device lifts the explosive package to enable the explosive package ...

Adapter assembly of water outlet pipe of cylinder cover of engine

The invention provides an adapter assembly of a water outlet pipe of a cylinder cover of an engine. The adapter assembly of the water outlet pipe of the cylinder cover of the engine comprises the water outlet pipe which is communicated with the cylinder cover. The adapter assembly of the water outlet pipe of the cylinder cover of the engine is characterized in that a water outlet pipe branch is also communicated with the wall of the water outlet pipe; the water outlet pipe branch is communicated with an inlet of a cooling pipeline of a pressurizer through the cooling pipe; the outlet of the cooling pipeline of the pressurizer is connected with a water tank through a returning pipe. The adapter assembly of the water outlet pipe of the cylinder cover of the engine has the advantage that a cooling water channel is large in flow rate, so that the pressurizer cooling effect is obvious; in addition, a small space is needed, and the structure is simple; when assembling the pressurizer engine, ...

Retrieval method, system and equipment for similar medical images and medium

The invention discloses a similar medical image retrieval method, system and device and a medium, and relates to the technical field of medical images. The method comprises the following steps that a trained feature code output network is called, and the feature code output network comprises a feature extraction unit, a region-of-interest division unit and a feature fusion unit; determining global morphological features, local morphological features and regional position features of the to-be-matched medical image through a feature coding output network; determining an image feature code of the to-be-matched medical image through a feature fusion unit according to the global morphological features, the local morphological features and the regional position features; and determining a similar medical image set of the to-be-matched medical image according to the image feature code of the to-be-matched medical image. By adopting the technical scheme provided by the invention, the to-be-matched ...

Coal mine water control drilling rig with protection function

The utility model relates to the technical field of coal mines, in particular to a coal mine water control drilling rig with a protection function, which comprises a rig body, the rig body comprises two fixing frames and a control panel, the inner sides of the two fixing frames are fixedly provided with a top plate, and the top plate is fixedly provided with a water inlet and a water outlet. A hydraulic oil cylinder is fixedly mounted at the bottom end of the top plate, and a mounting plate is fixedly mounted at the bottom end of the hydraulic oil cylinder. Through the arrangement of the first compression spring, the limiting block, the protective sleeve and the limiting groove, when the drill bit is not used, the protective sleeve protects the drill bit, when the drill bit needs to be used, the protective sleeve is held and pulled downwards, the limiting groove extrudes the limiting block, the limiting block contracts inwards, and the first compression spring is driven to be compressed ...

Cobalt-aluminum co-permeation test device

The invention belongs to the technical field of materials, and relates to a cobalt-aluminum co-permeation test device which mainly comprises a high-temperature alloy cylinder, a high-temperature alloy porous sieve and a high-temperature alloy tray, the high-temperature alloy cylinder mainly plays a role in supporting and adjusting the height of turbine blades and permeation agent powder, the purpose of permeation of cobalt-aluminum coatings with different permeation layer depths is achieved, and the cobalt-aluminum co-permeation test device is simple in structure and convenient to operate. The high-temperature alloy porous sieve plays a role in exhausting internal air and supporting a workpiece, and the high-temperature alloy tray realizes the characteristic that high-temperature powder liquid drops generated at any time flow to a low liquid level due to height change, realizes the purpose of directional deposition of turbine blades, isolates air to the greatest extent, and improves the ...

ABS (acrylonitrile-butadiene-styrene) material with low acrylonitrile content as well as preparation method and application of ABS material

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) material with low acrylonitrile content as well as a preparation method and application thereof, and belongs to the technical field of food contact materials. The ABS material with low acrylonitrile content comprises the following components in parts by weight: 80-95 parts of natural color ABS resin, 4-5 parts of a dyeing material, 1-3 parts of a lubricant, 0.1-1 part of an antioxidant, 2-5 parts of a deodorant and 1-2 parts of deionized water, the deodorant comprises a photo-thermal catalyst and a carrier for loading the photo-thermal catalyst, and the carrier is a porous material. The deodorant and the deionized water are added in the color matching process of the natural color ABS resin, the deodorant and the deionized water are added to jointly play a role in extracting the residual AN monomer in the ABS resin, and the AN content in the ABS material is effectively reduced.

Chain-driven intermittent motion mechanism

The invention relates to a chain-driven intermittent motion mechanism, which is composed of a first chain (1), a second chain (7), a first sprocket wheel (2), a second sprocket wheel (4), an intermittent motion sprocket wheel (3) and rollers (5), wherein, the first sprocket wheel (2) and the second sprocket wheel (4) are coaxially fixed; the first chain (1) and the second chain (7) are respectively packed in the first sprocket wheel (2) and the second sprocket wheel (4); the two ends of the rollers (5) are respectively and fixedly fixed at the inner sides of the first chain (1) and the second chain (7); and the intermittent motion sprocket wheel (3) is externally engaged with the rollers (5) at the inner sides of the first chain (1) and the second chain (7). The invention has a compact structure, convenient processing and manufacture, low maintenance cost and wide application.

ArcGIS-based flood interception ditch system planning and design service partition automatic identification method

The invention discloses an ArcGIS-based flood interception ditch system planning and design service partition automatic identification method, and belongs to the field of municipal drainage engineering. Comprising the steps of processing flood intercepting ditch data in a planning drawing, converting flood intercepting ditch graphic data, processing attribute data, creating a terrain model, processing terrain raster data, converting and processing flood intercepting ditch data rasterization, automatically identifying flood intercepting ditch service partitions, and converting the flood intercepting ditch service partitions. According to the method, the defects of relatively low efficiency and relatively large error of traditional manual division of the flood interception ditch service partition are avoided, and automatic identification and conversion of the flood interception ditch service partition can be realized only by processing the original flood interception ditch data and the topographic ...

Method for improving direct current transmission capacity of direct current fault steady-state voltage constraint

The invention provides a method for improving the direct current transmission capacity of a direct current fault steady-state voltage constraint. The method comprises steps of step 1, acquiring a direct current transmission power value P1 according to a steady-state voltage fluctuating value deltaV, a safety control generator tripping strategy and a direct current reactive swapping control threshold value of a power grid; step 2, if a direct current sending requirement power P is greater than P1, performing optimization and adjustment on the direct current reactive swapping control threshold value; step 3, acquiring a direct current transmission power value P2 of the power grid with the adjusted direct current reactive swapping control threshold value, and if P is greater than P2, performing combined tripping operation on a no-load circuit and a low voltage capacitor of the power grid; step 4, acquiring a direct current transmission power value P3 of the power grid after being subjected ...

Detection system for acquiring illuminance change rules under different microclimate conditions

The invention provides a detection system for acquiring illuminance change rules under different microclimate conditions, and belongs to the field of coal safety. The system comprises a dust generating device, a light-emitting device, a ventilation device, an environmental conditioning device and a data measuring device. Different microclimate conditions can be simulated to acquire the illuminance numerical values under different microclimate conditions, and accordingly the illuminance change rules under different microclimate conditions can be acquired. The real-time and multi-space illuminance change rules in an underground coal mine can be reflected comprehensively and accurately, operating is convenient and fast, the cost is low, the safety operation in the underground coal mine can be powerfully guaranteed, and the application prospect is wide.

Cylinder body and cylinder cover connecting structure of automobile engine

A cylinder body and cylinder cover connecting structure of an automobile engine comprises a cylinder body with a water jacket, a cylinder cover, a cylinder gasket and a cylinder cover bolt and is characterized in that the cylinder gasket is arranged at the sealing position, where the cylinder body and the cylinder cover are connected; a cylinder body threaded hole for connecting with the cylinder cover bolt on the cylinder body extends deeply to the lower-end position of the bottom of the water jacket of the cylinder body. The present engine cylinder body, the cylinder cover, the cylinder cover bolt are utilized and the cylinder cover bolt is lengthened; meanwhile, the corresponding cylinder body threaded hole is lengthened and the cylinder cover bolt is screwed up to the high-rigidity position at the lower end of the bottom of the water jacket of the cylinder body, so that the screwing deformation of the cylinder hole is reduced. The cylinder body and cylinder cover connecting structure ...

Composite ceramic cotton fiber heat-insulating coating

The invention provides a composite ceramic cotton fiber heat-insulating coating and relates to the field of material engineering. A mixture of ceramic fiber cotton and Al(OH)3 sol is sintered to be used as a thermal-insulating layer of a base material. The ceramic fiber cotton ground and crushed into powder particles with diameters of 2-6 microns is mixed with Al(OH)3 sol, and the mixture is used as the base material of the coating; an Al(OH)3 sol layer between a surface strengthening layer and a base thermal-insulating layer is used as a transitional layer; a metal net layer is welded on the base material for fixing the surface coating, thereby meeting different product and environment requirements; particularly, the coefficient of thermal expansion is changed to be adaptive to different base materials, the coating material has a wide application range, and the heat-insulating coating with good heat-insulating property is achieved finally.

Coating, preparation method and application thereof and refrigerator

The invention discloses a coating, a preparation method and application thereof and a refrigerator, and belongs to the technical field of refrigerators. The coating is an epoxy resin coating enhanced by carboxyl polyhedral oligomeric silsesquioxane/aminated boron nitride. The preparation process of the coating comprises the following steps: preparation of aminated boron nitride for amination modification of boron nitride; preparation of carboxyl polyhedral oligomeric silsesquioxane/aminated boron nitride for covalent bond combination of amino groups of aminated boron nitride and carboxyl groups of carboxyl polyhedral oligomeric silsesquioxane; amino groups in the carboxyl polyhedral oligomeric silsesquioxane/aminated boron nitride and epoxy resin form covalent bond combination, and the carboxyl polyhedral oligomeric silsesquioxane/aminated boron nitride reinforced epoxy resin coating is prepared. The back paint is applied to the aspect of back paint in the metal shell of the refrigerator ...

Text logic detection method and device for medical image report, equipment and medium

The invention discloses a text logic detection method and device for a medical image report, equipment and a medium, and the method comprises the steps: obtaining the text content of the medical image report, analyzing the text content through an entity recognition model and an entity relationship recognition model, and obtaining an initial text set, the initial text set identifies an entity type and an entity relationship of the text content, and the initial text set comprises initial text statements; encoding the entity type, the entity relationship and the initial text statement to obtain an intermediate text set, the intermediate text set comprising a previous text statement and a next text statement; matching the previous sentence and the next sentence through a context mapping algorithm to obtain a corresponding matching result value, and if the matching result value is greater than a critical value, determining that the matching succeeds; and performing logic analysis on the successfully ...

Underground drill rod number statistical method based on improved YOLOX

The invention discloses an underground drill rod number statistical method based on improved YOLOX, and belongs to the mining industry field and the information technology field, and the method comprises the following steps: reading an underground drilling monitoring video, and carrying out the frame extraction, and carrying out the preprocessing of an image obtained through the frame extraction; introducing a CBAM attention mechanism to improve the feature extraction capability of the model; a BiFPN feature pyramid is used to reduce feature loss; a loss function is optimized to be CIOU, and the positioning capability of a model prediction frame is improved; performing target detection and tracking by using an improved model trained by the preprocessed image; small wave crests without rod dismounting operation are removed by setting a wave crest threshold value, other effective wave crests are recorded, and if one wave crest exists, counting is carried out once. According to the invention ...

Preparation method of aluminum alloy dendrites

According to the preparation method of the aluminum alloy dendritic crystal, the prepared dendritic crystal is more single and does not interfere with one another, the formed dendritic crystal is more independent, and compared with dendritic crystals obtained through other methods, the dendritic crystal obtained through the method is more complete and more free in growth mode; the dendrites do not compete to grow due to changes of a cooling mode and a cooling gradient direction, defects such as grain boundaries and the like are not generated, and the dendrites only grow downwards in a straight dendrite mode, so that complete single aluminum alloy dendrites can be obtained through the preparation mode, and the preparation method is simple and easy to implement. Further, whether dendritic crystal element segregation exists in the dendritic crystal or not and the minimum composition unit of the dendritic crystal are researched, and theoretical support is provided for researching the secondary ...

Manufacturing method of turbine blade coating seepage cobalt-aluminum coating

The invention aims to provide a manufacturing method of a turbine blade external cobalt-aluminum coating. The manufacturing method comprises the following steps that a turbine blade external cobalt-aluminum coating mold and a permeating agent are subjected to high-temperature drying; the method comprises the following steps: weighing mixed powder consisting of AlFe powder, NH4Cl, ICl, Ni-Y and Al2O3, and putting the mixed powder into a heat treatment furnace for activating treatment; the turbine blade is subjected to sand blasting treatment, the turbine blade subjected to sand blasting treatment is subjected to ultrasonic cleaning, wiping is conducted with acetone and alcohol, and furnace charging treatment is conducted; starting a fan, raising the furnace temperature to 300 DEG C, closing a mechanical pump after the temperature reaches 300 DEG C, filling argon gas with the pressure of-0.06 MPa, raising the temperature to 1000 DEG C along with the furnace, keeping the temperature for 4- ...

Deep peak regulation heat supply method based on CFB heat supply unit

A deep peak regulation heat supply method based on CFB heat supply units comprises the following steps that two coal feeders corresponding to a coal inlet in the middle of a boiler hearth are stopped, the output of other coal feeders is increased, the total coal feeding amount is kept unchanged, NOx emission can be reduced, and meanwhile the electric load of each unit can be reduced by 1 MW; on the basis that a unit enters deep peak regulation, the enthalpy value of steam entering a high-pressure cylinder and a medium-pressure cylinder of a steam turbine is reduced by increasing the desuperheating water amount of a superheater and a reheater, and then the purposes of reducing the power generation output of the unit and achieving ultra-deep peak regulation are achieved. After a unit enters deep peak regulation, the electrical load is stabilized at about 30MW, the bed temperature of a CFB boiler is reduced through coal conveying combustion adjustment, and the main reheat steam temperature ...

Vehicle engine cylinder gasket

The invention discloses a vehicle engine cylinder gasket. The vehicle engine cylinder gasket comprises upper and lower layers of stainless steel plates with cylinder ports, and fluororubber coating layers. The vehicle engine cylinder gasket is characterized in that a layer of steel plate is arranged between the upper and lower layers of stainless steel plates; the steel plate has flange structures at the edges of the annular cylinder ports to increase the strength of the cylinder ports; and the upper edges of the annular cylinder ports and the outer surface of the upper layer of stainless steel plate are coated with the fluororubber coating layers. As a two-layer structure is changed into a three-layer structure, and a flat plate with a flange structure is added intermediately, the height of the cylinder ports can be effectively increased, and the surface sealing pressure of the cylinder ports is improved. The three-layer structure is connected by rivets, so that upper and lower layers ...

Data processing method based on PLC

The invention belongs to the technical field of data processing, and particularly relates to a data processing method based on a PLC. The maximum storage capacity structure in the intelligent tunnel warehouse is i layers and j columns, the total storage capacity can reach i * j goods allocation, and m trays of goods are stored in each goods allocation; the first-layer first-column first-tray goods are subjected to goods type comparison, and first-layer circulation is completed; after the first-layer circulation is executed from the first-layer first-column second tray of goods to the first-layer first-column mth tray of goods, the second-layer circulation is completed; after the second-layer circulation is sequentially executed from the first tray of goods in the jth column of the first layer to the mth tray of goods in the jth column of the first layer, the third-layer circulation is ended; and repeating the above cycles, and completing the statistics of all goods after i cycle periods ...

Biological tissue material for artificial organs and preparation method thereof

The invention discloses a biological tissue material which is a biological tissue material for artificial organs, and prepared by using aortic blood vessels of a pig as a basal body and using oxidized sodium alga acid as a cross linker. A preparation method for the biological tissue material comprises the following main processes: (1) cleaning the aortic blood vessels taken from the pig killed in a slaughterhouse, and removing blood and fat; and (2) performing cross linking treatment on the cleaned aortic blood vessels of the pig by using cross linking solution prepared from buffer solution and oxidized sodium alga acid cross linker, wherein the concentration of the oxidized sodium alga acid in the cross linking system is 10 to 15 g/100ml, the pH value is 4.0 to 7.4 and the temperature is room temperature. The biological tissue material prepared by full cross linking for the artificial organs has the mechanical characteristics of toughness and good elasticity of a high molecular material ...

Chain-driven intermittent motion mechanism

The invention relates to a chain-driven intermittent motion mechanism, which is composed of a first chain (1), a second chain (7), a first sprocket wheel (2), a second sprocket wheel (4), an intermittent motion sprocket wheel (3) and rollers (5), wherein, the first sprocket wheel (2) and the second sprocket wheel (4) are coaxially fixed; the first chain (1) and the second chain (7) are respectively packed in the first sprocket wheel (2) and the second sprocket wheel (4); the two ends of the rollers (5) are respectively and fixedly fixed at the inner sides of the first chain (1) and the second chain (7); and the intermittent motion sprocket wheel (3) is externally engaged with the rollers (5) at the inner sides of the first chain (1) and the second chain (7). The invention has a compact structure, convenient processing and manufacture, low maintenance cost and wide application.

Method for constructing drainage and waterlogging prevention planning terrain model based on legal graph rule planning

The invention discloses a drainage and waterlogging prevention planning terrain model construction method based on legal graph rule planning, and belongs to the technical field of municipal drainage engineering. According to the method, a modeling area is divided into a current situation retaining area, a planning area and a river channel area according to legal drawing rule planning information and a drainage and waterlogging prevention planning design scheme in a modeling range, and a terrain model in each area is constructed according to the current situation or planning basic data characteristics of each area; and combining and combining to form a drainage and waterlogging prevention planning terrain model of the modeling area. Errors or mistakes caused by vertical mismatching between a traditional drainage and waterlogging prevention terrain model constructed based on a current background and a planning pipe network model are avoided. The method has operability, complex programming ...

Multi-stringer forming device and forming method

The invention discloses a multi-stringer forming device and method.The multi-stringer forming device comprises a base and a forming die assembly, the base comprises a base frame, a bottom plate and an air exhaust plate, the base frame is formed by welding square steel, supporting legs are arranged on the outer sides of the periphery of the base frame and the front side and the rear side of the middle of the base frame respectively, the bottom plate is arranged on the base frame, and the air exhaust plate is arranged on the bottom plate. The upper surface of the bottom plate is divided into a plurality of mold areas through an embedded air exhaust plate, each mold area is provided with a forming mold assembly, vent holes are formed in the air exhaust plate at equal intervals, and a vent groove is formed in the bottom of the embedded groove of the bottom plate. A plurality of stringers can be simultaneously produced on one set of die, so that the production efficiency is improved, the production ...

Steel plate, preparation method thereof, panel and refrigerator

The invention discloses a steel plate, a preparation method thereof, a panel and a refrigerator, and belongs to the technical field of steel plates for refrigerators. The steel plate comprises the following components in percentage by mass: 0.10%-0.20% of C, 0.98%-1.81% of Cu, 0.81%-1.04% of Mn, less than or equal to 0.015% of P, less than or equal to 0.009% of S, 0.015%-0.024% of Al, 0.018%-0.034% of Ti and the balance of Fe and impurities. The panel is applied to the aspect of refrigerators, the problems that the manufacturing cost is increased due to the fact that the antibacterial property of the panel is improved by coating a nano-silver antibacterial coating in the prior art, and the problem that the antibacterial property of the panel material cannot be fundamentally solved are solved, and the panel has the characteristics of high strength, high toughness and antibacterial property; the steel plate can meet the further requirement of refrigerator products on metal plate thinning, ...

Colliery underground fire escape training platform

The utility model discloses a colliery underground fire escape training platform belongs to virtual reality system field, the utility model provides a lack one kind at present and can restore and reappear, training personnel escape, improve the problem of the escape training platform of personnel's escape ability colliery underground fire mishap background and generating process. The colliery underground fire escape training platform, including the tunnel, the port in tunnel is equipped with the door, inside display device, variable speed repacking treadmill, direction speed controller, stereo set and microphone and a plurality of fog generator of being equipped with in tunnel, direction speed controller with display device links to each other, the inboard top in tunnel is equipped with temperature and humidity controlgear, wind speed and wind direction controlgear and coal dust and generates and dust collector, the outside in tunnel is equipped with computer processing equipment, computer ...

Drawing part forming die with reinforcing ribs and sunken parts

The invention relates to a deep drawing part forming die with reinforcing ribs and a sunken part. The deep drawing part forming die is suitable for forming deep drawing parts. A deep drawing part forming die with a reinforcing rib and a sunken part comprises a deep drawing die and a hand beating die, the deep drawing die is used for drawing a plate into a cylindrical part and a sunken part and comprises a female die and a male die, the inner wall of the female die and the outer wall of the male die are used for forming the cylindrical part of the deep drawing part, and the top of the male die is used for forming the sunken part of the deep drawing part; the manual punching die is used for forming the inward reinforcing rib part of the deep drawing part and comprises a male die, a female die and an independent pressing block, the shape of the male die is consistent with that of the interior of the deep drawing part, when the male die is arranged in the cylindrical interior of the deep drawing ...

Manufacturing process of high-strength aluminum bar

The invention relates to the technical field of aluminum alloy materials, and particularly discloses a high-strength aluminum bar manufacturing process. The manufacturing process of the high-strength aluminum bar comprises the following process steps: S1, ingredient smelting: weighing aluminum bar raw materials in proportion, uniformly mixing, and heating to obtain a first melt; s2, refining is conducted, specifically, when the temperature of the first melt reaches 740-760 DEG C, stirring is conducted for 20-25 min, and when the temperature of the first melt is reduced to 720-740 DEG C, a second melt is obtained; s3, casting: casting the refined second melt into a cast ingot; s4, homogenization: carrying out homogenization treatment on the cast ingot by adopting a homogenization treatment process to obtain a homogenized cast ingot; s5, extrusion is conducted, specifically, the cast ingot is extruded, and the aluminum alloy profile is obtained; s6, coloring and hole sealing are conducted ...