135results about How to "Shape stable" patented technology

The invention relates to the field of carbon fiber container processing equipment, in particular to a large-size flange roundness correction tool which comprises two fixing frames, a plurality of positioning devices and a plurality of positioning devices, the two fixing frames are oppositely arranged, and at least one fixing frame is arranged to be capable of linearly moving so that the two fixing frames can move back to back and close to each other; and the two shaping rings are connected with the fixing frames respectively, a plurality of adjusting pieces capable of stretching out and drawing back in the radial direction of the shaping rings are arranged on the shaping rings in the circumferential direction of the shaping rings at intervals, and connecting parts capable of being connected with flanges are arranged at the inner ends of the adjusting pieces. According to the device, the shape of a flange subjected to roundness correction can be kept stable in the bonding process through the shaping ring, and the problems existing in the prior art are effectively solved.

The invention discloses a chlorosulfonated polyethylene glove and a preparation method thereof.The chlorosulfonated polyethylene glove comprises at least one functional structure layer, and the functional structure layer is formed by adhering liquid raw materials on the surface of a shaping base layer by layer and curing the liquid raw materials; wherein the functional structure layer is any one of a gas-liquid isolating layer, an aging reinforcing layer and an anti-radiation layer. According to the chlorosulfonated polyethylene glove, any one or more than two of the gas-liquid isolating layer, the aging reinforcing layer and the anti-radiation layer are used as the functional layer, and the chlorosulfonated polyethylene glove with a specific function is formed through multi-layer compounding of an impregnation process, so that the chlorosulfonated polyethylene glove has air tightness, chemical resistance, radiation resistance, aging resistance, puncture resistance, wear resistance and the like; a long-acting gas / liquid isolation effect can be realized; meanwhile, the material types of the functional layers are various, and the layer number and the combination sequence of the functional layers can be reasonably selected and matched according to application requirements.

The invention discloses a spinning forming device for a combustion chamber, and belongs to the field of spinning machines.The spinning forming device comprises two mounting bases and a workbench, clamping grooves are formed in the outer surfaces of the mounting bases, fixing frames are connected to the sides, transversely close to the mounting bases, of the clamping grooves in a clamped mode, mandrels are fixedly connected to the inner surfaces of the fixing frames, and guide wheels are rotatably connected to the outer surfaces of the mandrels; a lubricating assembly is arranged on the inner side of the fixing frame. By arranging the lubricating assembly, lubricating liquid is evenly smeared on the surface of the guide wheel through contact cotton, so that the friction force between the guide wheel and a metal plate can be reduced to a certain degree, abrasion of the guide wheel in the working process can be reduced, and the service life of the guide wheel is prolonged; meanwhile, scratches on the surface of the metal plate in the spinning forming process of the metal plate can be reduced, the lubricating liquid can have a certain cooling effect on the metal plate, the overheating probability caused by friction between the metal plate and the guide wheel is reduced, and then the spinning forming quality of the metal plate can be effectively improved.

The invention provides a method for improving morphology of junctions of gate oxides with different thicknesses on STI (shallow trench isolation), and the method comprises the steps: 1, providing a substrate, forming shallow trench isolation on the substrate, and forming a gate oxide layer on the substrate; step 2, after a photoresist mask layer is formed, etching the exposed gate oxide layer; 3, trimming the photoresist mask layer to adjust the boundary of the photoresist mask layer; 4, etching the exposed gate oxide layer again; and 5, after the photoresist mask layer is removed, forming a grid electrode on the substrate. According to the invention, the boundary of the photoresist mask layer is adjusted step by step through multiple times of finishing of the photoresist mask layer formed on the gate oxide layer, and one time of etching of the gate oxide layer is carried out after each time of finishing, so that a gate-oxide junction with smooth morphology can be obtained, residues formed at the gate-oxide junction in a subsequent process are reduced, and the performance of a device is further improved.

The utility model discloses a capacitor protection assembly and a capacitor, and relates to the technical field of capacitors, and the capacitor protection assembly comprises a housing, a cover body, a support, and a conductive assembly. The shell is provided with a containing cavity for containing the capacitor assembly. The cover body is arranged at the opening of the containing cavity in a covering mode. The support is installed on the cover body, and at least part of the support is located in the containing cavity. The conductive assembly comprises a first conductive part and a second conductive part which are connected, the first conductive part is directly or indirectly connected with the cover body, and the second conductive part is installed on the support. The support is provided with an electric fence, the electric fence is arranged on the peripheral side of the second conductive part, when the capacitor assembly breaks down, the cover body expands in the direction away from the support, and the first conductive part and the second conductive part are disconnected. According to the capacitor protection assembly, the capacitor protection capability can be improved, and the fault probability of the capacitor is reduced.

The utility model relates to the technical field of automobile sun visors, and discloses a novel automobile sun visor with a fiber interlayer, which comprises a sun visor body, limiting grooves are arranged on two side walls of the sun visor body, springs are arranged in the two limiting grooves, one end of each spring is fixedly connected with the inner wall of the sun visor body, and the other end of each spring is fixedly connected with the fiber interlayer. The other end of the spring is fixedly connected with a limiting column, the limiting column is slidably connected with the limiting groove, and a mounting groove is formed in the sun shield body; through the arrangement of the limiting column, the spring, the connecting plate, the connecting rod, the sliding block and the movable plate, the sun shield body can be conveniently taken down from a vehicle body, then a groove in the vehicle body is independently cleaned, and the mode is simpler and easier to operate; and through the arrangement of a baffle, a hinge column, a connecting belt, a first magnet and a second magnet, the situation that when the sun shield is put down to shield sunlight, a cosmetic mirror is reflected into an eye curtain, and the appearance effect is affected is avoided.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The invention relates to the field of rectification equipment, in particular to a rectification tower with an anti-blocking structure, which comprises a tower plate, a plurality of baffle plates, a plurality of baffle plates and a plurality of baffle plates, the floating ball is arranged on the upper side of the sieve hole, the diameter of the floating ball is larger than that of the sieve hole, and a plurality of dimpled grains are formed on the peripheral wall of the floating ball; the elastic arc plates are fixed to the upper sides of the screen holes in a central symmetry mode, the upper ends of the elastic arc plates form open ends with the diameter smaller than that of the floating balls, a distance is formed between every two adjacent elastic arc plates, and gaps are formed between the inner walls of the elastic arc plates and the peripheral walls of the floating balls. The tower plate has the effect of reducing the tower plate blockage probability.

The invention relates to a heat-treatment-free high-toughness aluminum-magnesium-silicon alloy and a preparation method thereof, belongs to the technical field of aluminum alloys, and solves the problems that a heat-treatment-free aluminum alloy in the prior art is not high in toughness and cannot meet the production of large thin-wall components. The invention relates to a heat-treatment-free high-toughness aluminum-magnesium-silicon alloy, which comprises the following elements in percentage by mass: 7 to 9 percent of Mg, 2 to 3 percent of Si, 0.1 to 0.4 percent of Mn, 0.05 to 0.2 percent of Ti, 0.05 to 0.1 percent of Zr, 0.01 to 0.05 percent of B, 0.01 to 0.1 percent of Cu, 0.05 to 0.2 percent of Zn, 0.05 to 0.1 percent of Ca, 0.05 to 0.1 percent of RE, 0.003 to 0.005 percent of Be, 0 to 0.15 percent of Fe, less than or equal to 0.15 percent of other uncontrollable impurity elements and the balance of Al. And preparation of the heat-treatment-free high-toughness aluminum-magnesium-silicon alloy is achieved.

The forming method comprises the following steps: providing a polypropylene base material and an additive, and carrying out pre-drying treatment on the polypropylene base material and the additive according to a preset weight percentage; melting and mixing the pretreated polypropylene base material and an additive in a range of 190-220 DEG C by using a twin-screw extruder, carrying out extrusion molding by using a circular mold, rapidly cooling the extruded thermoplastic pipe to room temperature by using a continuous water cooling device, and sizing by using a sizing roller way; the cooled pipe is moderately stretched in the longitudinal direction and the transverse direction through a two-way stretching device, and online detection is conducted through detection equipment; through collaborative optimization of the materials and the process, the produced weather-resistant photovoltaic pipe has excellent ultraviolet resistance, oxidation resistance and mechanical properties and is suitable for a photovoltaic system environment with high requirements, and high-quality preparation of the weather-resistant photovoltaic pipe is achieved.

The invention discloses a preparation method of an electrostatic chuck, which belongs to the technical field of electrostatic chucks and comprises the following steps: S1, preparing an electrostatic chuck base; s2, ceramic slurry is prepared and subjected to tape casting, and two laminated bodies are obtained through lamination; s3, glue discharging and sintering are conducted on the laminated body, and a first sintered body and a second sintered body are obtained; s4, processing the first sintering body and the second sintering body; s5, the first sintered body is subjected to silk-screen printing and drying; s6, the printed first sintered body is sintered for the second time, and a third sintered body is obtained; and S7, the third sintering body and the second sintering body are combined through glue with high thermal conductivity, and then the third sintering body and the second sintering body are combined with the electrostatic chuck base through glue with matched thermal conductivity. Through metallization of the processed ceramic substrate, the obtained electrostatic chuck can better control the parallelism of the electrode and the upper surface, and meanwhile, an electrode layer with more stable morphology and size can be obtained through detection and screening.

The embodiment of the invention provides a vacuum compression bed and a compression storage method. The vacuum compression bed comprises a horizontally-placed cuboid bed body and a bed head connected to one end of the bed body. The bed body and the bed head are made of foamed sponge; the size can be compressed before transportation, and transportation is convenient.

The invention relates to a preparation method of a one-dimensional nanoreactor, which is characterized by comprising the following steps: mixing a metal source, a carbon-nitrogen source, a supplementary carbon source, an alkaline metal salt and a heteroatom source in a dispersing agent to obtain mixed liquid slurry; drying the mixed liquid slurry to obtain a precursor; sintering the precursor to obtain a one-dimensional nano reactor; the molar ratio of the metal source to the carbon and nitrogen source to the supplementary carbon source to the alkaline metal salt to the heteroatom source is (0.1-99): (5-30): (0-15): (0-10): (0-20). According to the method, firstly, the materials are effectively dispersed in the dispersing agent, secondly, a proper drying method is matched, and the proportion of the raw materials in the precursor is kept unchanged under the condition that solid-liquid chromatography of the materials is avoided, so that one-dimensional tubular forming and uniform distribution of catalyst particles in the tube are effectively facilitated. Therefore, through mutual cooperation of the steps in the preparation method, especially material proportion regulation and control, the generation and property stability of the one-dimensional nanoreactor is improved.

The utility model discloses a contaminated cloth ironing device for washing machine detection, and relates to the technical field of ironing devices, the contaminated cloth ironing device comprises a box body, an ironing assembly used for ironing cloth is arranged on the box body, the ironing assembly comprises a box cover rotatably installed on the box body, an ironing plate is installed in the box cover in an embedded mode, and the ironing plate is provided with an ironing groove. Grooves are formed in the box body, protruding blocks corresponding to the grooves in a one-to-one mode are arranged on the outer surface of the ironing plate, a fixing assembly used for fixing cloth is further arranged on the box body, the fixing assembly comprises a bearing plate arranged in the box body, the bearing plate is provided with the grooves used for containing the cloth, and a pressing frame is placed on the top face of the bearing plate. A through opening corresponding to the groove is formed in the pressing frame, and a pressing edge is integrally formed at the port of the lower portion of the through opening. The utility model solves the problems that the cloth is easy to be ironed and wrinkled or deviated, so that the stability of the shape of the cloth is poorer, and the accuracy of a test result is influenced.

The utility model relates to the technical field of wind power blade machining, in particular to a pressure-maintaining supporting tool which comprises an operation support, a pressure-maintaining supporting device and a pressure-maintaining supporting device. The pressure maintaining device is placed on the operation support, a plurality of pressure plates are arranged in the pressure maintaining device, and the shape of the pressure maintaining device is consistent with that of the wind turbine blade. According to the utility model, the operation bracket is stably placed at a proper position, and the two operation platforms mounted on the operation bracket are positioned on the two opposite sides, so that an operator can conveniently approach the wind power blade from the two sides, and stairs are also arranged in order to facilitate the operator to go up and down; the shape of the pressure maintaining device is consistent with that of the wind power blade, so that the stability of the wind power blade on the pressure maintaining device is ensured; after the wind power blade is placed properly, the pressure maintaining device is started, a plurality of pressure plates in the pressure maintaining device start to work, and uniform pressure is applied to the wind power blade according to preset parameters. The shape consistency also improves the manufacturing precision of the wind power blade; and by arranging the operation platform and the stairs, the safety risk is reduced.

The utility model relates to cell culture tool technical field especially, more particularly to an array formula multi -hole separation cell culture dish. The utility model provides an array formula multi -hole separation cell culture dish, solves the technical problem that cell culture dish in prior art can only culture same kind of cell under same environment. An array formula multi -hole separation cell culture dish, including frame, culture cavity, culture cavity set up in frame, and mark, mark set up in frame, and, every mark corresponds an independent culture cavity, array formula multi -hole separation cell culture dish sets up a plurality of independent culture cavities, and every culture cavity can be regarded as an independent'small culture dish'. This makes under same frame, to same kind of microorganism in different nutrient solution, medicine or other environmental conditions can carry out culture experiment simultaneously.

The utility model discloses a steel profile with a reinforcing structure, which comprises a steel profile body, the cross section of the steel profile body is of a U-shaped structure, a plurality of reinforcing blocks are fixedly connected in the steel profile body at equal intervals along the length direction, a cavity is arranged in the steel profile body, the cross section of the cavity is also of a U-shaped structure, and the reinforcing blocks are fixedly connected in the steel profile body at equal intervals. A cavity is formed in the steel section bar body, a fixing reinforcing structure is arranged in the cavity, a first thickening block and a second thickening block are arranged on the inner walls of the two ends of the steel section bar body respectively, and alignment connecting structures are arranged on the first thickening block and the second thickening block. The problem of position deviation during connection of the steel profiles can be effectively avoided, the stability of preliminary connection of the two steel profiles is improved, preliminary connection of the steel profiles is facilitated, the thickness of the connecting position of the steel profiles is increased through the first thickening block and the second thickening block, and the bearing capacity and stability of the connecting position of the steel profiles are effectively improved.

The invention discloses a copper pipe coiling device for medical cabinet production, and particularly relates to the technical field of copper pipe coiling, the copper pipe coiling device comprises a supporting frame, an operation table is fixedly connected to the upper end of the supporting frame, baffles are fixedly connected to the upper end of the operation table in a bilateral symmetry mode, and coil adjusting assemblies are jointly arranged at the ends, close to each other, of the two baffles; a cleaning assembly is arranged on the front portion of the upper end of the operation table. According to the copper pipe coiling device for medical cabinet production, by arranging the adjusting mechanism and the fixing mechanism, corresponding adjustment can be carried out when the copper pipes with different diameters are used, the copper pipes are prevented from being too tight or too loose, uniform and flat coiling is guaranteed, the copper pipe coiling device can also adapt to copper pipes with different specifications or lengths, and the copper pipe coiling device is convenient to use. According to the copper pipe coiling device, the coiling space and the coiling efficiency are optimized, copper pipes are prevented from being deformed, extruded or dislocated in the coiling process, the production stability and the product quality are improved, and when copper pipes with different diameters are fixed, the coiling diameter can be adjusted according to the different diameters.

The utility model relates to the field of rubber particle production, in particular to a rubber particle production extrusion device. The utility model provides a rubber particle production extrusion device which can stir and discharge a rubber mixture, prevent blockage and caking, improve the production efficiency, reduce the cleaning time and improve the use convenience. A rubber particle production extrusion device comprises a supporting base, a granulation cylinder, a discharging cylinder and the like, the upper portion of the supporting base is connected with the granulation cylinder, and the upper side of the right portion of the granulation cylinder is connected with the discharging cylinder. The first motor drives the extrusion screw rod to rotate, so that the bevel gear rotates, the rotating shaft rotates, the flat belt rotates to drive the spiral conveying blade and the stirring frame to rotate to stir and discharge a rubber mixture, and the rubber mixture enters the granulation cylinder, so that the rubber mixture can be stirred and discharged; and blocking and caking are prevented, the production efficiency is improved, the cleaning time is shortened, and the use convenience is improved.

The application provides a BiFeO3-graphitic carbon nitride photocatalyst and a preparation method and application thereof, relates to the field of photocatalysis technology, and the preparation method comprises the following steps: dissolving a bismuth source and an iron source in a solvent, mixing with a mineralizer, and performing a hydrothermal synthesis reaction to obtain BiFeO3; performing first calcination treatment on a nitrogen-containing organic precursor to obtain graphitic carbon nitride; and performing grinding treatment and second calcination treatment on the mixture of BiFeO3 and graphitic carbon nitride to obtain the BiFeO3-graphitic carbon nitride photocatalyst. The preparation method can construct a Z-type heterojunction at the interface of the separately prepared BiFeO3 and graphitic carbon nitride, form an internal electric field, efficiently separate photo-generated electrons and holes, effectively inhibit the recombination of the photo-generated electrons and holes, finally significantly enhance the redox capacity of the material, and make the material exhibit excellent photocatalytic performance, high selectivity and good cycle stability.

The invention provides an optical lens and electronic equipment. The optical lens sequentially comprises, from a first side to a second side, a first lens with focal power, a second lens with focal power, a third lens with focal power and a fourth lens with focal power, the first side surface of the second lens is a concave surface, and the second side surface of the second lens is a concave surface; the third lens has positive focal power, and the second side surface of the third lens is a convex surface; the fourth lens has positive focal power, and the first side surface of the fourth lens is a convex surface; the first side face of the fifth lens is a convex face, and the second side face of the fifth lens is a concave face. According to the invention, the problem that small CRA, high MTF and rear focal length of an optical lens in the prior art are difficult to consider at the same time is solved.

The utility model provides a rotatable detachable screen window, which belongs to the technical field of door and window structures, and comprises a screen sash, a gauze element, a screen sash pressing line and a screen sash lock, the outer side of the gauze element is fixedly connected with the screen sash through a first bolt, the inner side of the gauze element is fixedly connected with the screen sash pressing line, and the screen sash pressing line is fixedly connected with the screen sash lock. The gauze sash is fixedly connected with the gauze sash lock, the gauze sash pressing line is fixedly connected with the gauze sash lock, the gauze sash lock is located below the gauze sash, the gauze element and the gauze sash pressing line, a lock seat is arranged below the gauze sash lock, a hinge is arranged between the gauze sash lock and the lock seat, and the gauze sash lock is fixedly connected with the gauze sash pressing line. The screen sash lock is rotationally connected with the lock seat through the hinge, a heat insulation cavity is formed below the lock seat, the lock seat is fixedly connected with the heat insulation cavity through a fixing jackscrew, and the problem that an existing screen window is inconvenient to disassemble can be solved.

The invention discloses a pre-tightening-force-free metal sealing ring which comprises an outer supporting ring, an inner supporting ring and an elastic supporting piece, the inner supporting ring is installed in the outer supporting ring, and the elastic supporting piece is installed in the inner supporting ring; grooves are embedded in the upper end face and the lower end face of the outer supporting ring, sealing strips are installed in the grooves, and the sealing strips are metal strips. The invention belongs to the technical field of sealing rings, and particularly relates to a metal sealing ring without pretightening force.

The invention discloses a method for in-situ construction of a Fe2O3 nanosheet array material on the surface of a ceramic tube, which comprises the following steps: by taking K3 [Fe (CN) 6] as a reaction raw material, 1-hexadecyl-3-methylimidazolium hexafluorophosphate as a surfactant and water as a reaction solvent, putting a mixed solution composed of the substances into a stainless steel reaction kettle, immersing the ceramic tube in the stainless steel reaction kettle, and carrying out in-situ construction of the Fe2O3 nanosheet array material on the surface of the ceramic tube; the preparation method comprises the following steps: putting a ceramic tube into a reaction kettle, reacting at 150-180 DEG C for 6-10 hours, after the reaction is finished, naturally cooling the ceramic tube to room temperature, respectively washing the ceramic tube with absolute ethyl alcohol and ultrapure water for multiple times, and then putting the ceramic tube into a vacuum drying oven for vacuum drying at 60-80 DEG C for 6-10 hours. The dried ceramic tube is subjected to roasting treatment in the air atmosphere at the temperature of 300-600 DEG C, the gas sensitive element covered with the Fe2O3 nanosheet array film sensitive layer is obtained, and the gas sensitive element has the good response characteristic to H2S gas at the operation temperature of 130 DEG C. The method has the effective benefit of solving the problem that almost all Fe2O3 materials constructed on the surface of a ceramic tube in situ by the existing method have one-dimensional nanorods and nanotube arrays, and the method is the first application of the Fe2O3 nanosheet array material in a gas sensor.

The invention relates to a tobacco film covering all-in-one machine, and belongs to the technical field of tobacco film covering all-in-one machines. The suspension is bolted to the top of the frame; the transmission frame is connected to the bottom of the suspension in a bolted mode, a transmission block is slidably connected to the inner side of the transmission frame, the frame is matched with the traction frame to support the structure, and the frame is matched with the wheels to move along a tobacco field after the traction frame is connected with the agricultural carrier. A transmission block on the inner side of a transmission frame can drive a horizontal frame connected with the transmission block to vertically ascend and descend when vertically moving, a supporting frame at the bottom of the horizontal frame is matched with a stress frame, and a ridge shaft on the inner side of the stress frame can rotate along a rotating frame under driving of an external gear motor. The ridging pieces in the ridging frames connected with the ridging pieces can turn and gather soil passing through the ridging pieces, and the annular pipes connected with the ridging pieces can continuously supply liquid medicine and spray water into the soil due to the turning action on the soil during ridging.

The utility model discloses an aircraft concave jacking airbag device for rescue, which is suitable for aircraft belly, and comprises a plurality of concave airbags and at least one flat airbag, the middle parts of the concave airbags are concave after the concave airbags are inflated, the concave airbags are stacked on the flat airbags, the concave airbags are stacked up and down, and the flat airbags are stacked up and down. The curvatures of the different concave air bags are different after inflation, the curvature of the concave air bag located on the upper portion is larger than that of the concave air bag located on the lower portion, the curvature of the concave air bag located on the uppermost portion after inflation is matched with the curvature of the belly of the airplane, and the flat air bag is in a flat plate shape after inflation. The airplane concave jacking air bag device for rescue suitable for the airplane belly has the advantages of being small in size, light in weight, low in manufacturing cost, simple in structure, convenient to use and capable of being attached to the surface of the airplane belly and guaranteeing safety of an airplane body in the jacking process.

An air rib structure of an expandable tent comprises a main tent air rib, a protective channel air rib is installed at the rear end of the main tent air rib, a vehicle-mounted connector air rib is installed at the front end of the main tent air rib, expansion opening air ribs are installed at the positions, close to the protective channel air rib, of the two sides of the main tent air rib at the rear end of the main tent air rib, and the air ribs are relatively independent and provided with inflation and deflation devices respectively. The supporting rods are mutually supported and connected into a whole; the main tent air rib is designed to be of an overall multi-section arc-arch-shaped transverse connecting structure, the whole main tent air rib is in an arch shape after being inflated, the main tent air rib is arranged to be two independent air chambers which are relatively independent and supported in a staggered mode, and inflation openings are formed in the two independent air chambers respectively. The protection channel air rib, the vehicle-mounted connector air rib and the expansion opening air rib are detachably and fixedly connected with the main tent air rib respectively and are provided with independent inflation openings respectively. The air ribs are relatively independent and are mutually connected and supported, the integrity is good, safety is achieved, stability is high, practicability is high, operability is good, building, withdrawing and transferring are convenient and rapid, and the high practical application value is achieved.

The utility model relates to the technical field of glass fiber products, in particular to a light-gram-weight biaxial flow guide fabric which comprises a first main yarn layer, a second main yarn layer and a framework layer laid between the first main yarn layer and the second main yarn layer, and the laying angles among the first main yarn layer, the second main yarn layer and the framework layer are different. Due to the existence of the framework layer, a gap exists between the first main yarn layer and the second main yarn layer, resin can permeate conveniently, the flow guide effect is achieved, and the flow guide and combination effects of a final product between pultrusion plates are effectively guaranteed; the framework layer serves as an auxiliary layer and plays a role in supporting the fabric and preventing the fabric from deforming, the adjacent first main yarn layer and the second main yarn layer have certain supporting force, the problem that the biaxial fabric is prone to deformation is solved, optimization of the blade structure is achieved, the blade can keep a stable shape when bearing wind power and other external acting force, and the service life of the blade is prolonged. And the structural strength and stability of the blade are improved.

The utility model relates to the technical field of cystosepiment processing, and discloses a polystyrene cystosepiment trimming device which comprises a machine frame, fixing seats are fixedly connected to the two sides of the upper portion of the machine frame respectively, a motor is fixedly connected to the right portion of each fixing seat, and the output end of each motor is fixedly connected with a threaded rod. The outer portions of the threaded rods are in threaded connection with threaded sleeves, the upper portions of the threaded sleeves are fixedly connected with limiting assemblies, the opposite sides of the two threaded sleeves are both fixedly connected with supporting plates, the interiors of the two supporting plates are both fixedly connected with first hydraulic cylinders, and the output ends of the two first hydraulic cylinders are both fixedly connected with cleaning brushes. And a conveying belt is arranged in the rack. According to the foam board cutting device, a working area can be effectively cleaned, the cutting working area can be kept clean and tidy, accumulation and disorder of sundries are reduced, a foam board can be effectively pressed and fixed, and cutting precision and accuracy are improved.