212results about How to "Closely arranged" patented technology

The invention relates to an optical system which comprises a light path transmitting subsystem, a scanning reflector (6) and an image receiving and processing subsystem. The light path emission subsystem comprises an illumination module (1), a light modulation module (4) and a curved prism (21). The curved surface prism comprises a light incident surface (21A), a reflection-transmission composite interface (21B) and a curved surface (21C) plated with a reflecting film, and is used for changing the direction of a light path and focusing the light path, so that the light path enters from the light incident surface, is reflected by the reflection-transmission composite interface, is reflected by the curved surface and is focused; and then the light is emitted from the reflection-transmission composite interface and enters the light modulation module at a specific angle. The invention also relates to an oral digital impression instrument equipped with the optical system. According to the optical system, the curved prism is used for replacing a traditional lens and reflector combination, the space size of the oral cavity digital impression instrument is remarkably reduced, and the requirements for miniaturization and portability are met.

The invention discloses high-density ultra-thin electronic-grade glass fiber cloth, and relates to the technical field of glass fiber cloth preparation, the high-density ultra-thin electronic-grade glass fiber cloth is formed by weaving warp yarns and weft yarns with the monofilament diameter of 4.0 microns, the warp and weft density is 90-100 pieces / inch, an air jet loom is combined with an auxiliary air jet mechanism for plain weaving, and it is guaranteed that fibers are tightly arranged; the preparation method comprises the steps of low-speed warping, weaving, desizing, deep splitting, cleaning and surface treatment. During weaving, through low-tension control and low-pressure airflow assistance, the fabric structure is more compact and uniform; a three-step method is adopted to gradually eliminate most slurry, and the slurry is further removed through liquefaction desizing; splitting and cleaning adopt a water flow and air flow combined mode, so that fiber opening is ensured, and the slurry residue rate is reduced to the minimum; finally, the strength of the high-density ultrathin electronic-grade glass fiber cloth is improved through treatment of a silane coupling agent; and low-tension and extremely low-slurry-residue-rate weaving of the high-density ultrathin electronic-grade glass fiber cloth is realized.

The invention discloses a manufacturing process of an easy-to-clean antibacterial ceramic product, and belongs to the technical field of ceramic product production. The preparation process comprises the following steps: mixing potassium feldspar, quartz, calcite, wollastonite and frit, grinding, sieving, adding deionized water I, carrying out wet ball milling by using flint cobblestones to prepare premixed glaze slip, sanding to prepare glaze slip I, uniformly spraying the glaze slip I on a ceramic green body, and drying in a drying kiln to form a substrate glaze surface; mixing modified halloysite and deionized water II, carrying out wet ball milling and sanding by using the flint cobblestones to prepare glaze slip II, uniformly spraying the glaze slip II on the glaze surface of the substrate, standing, feeding into a tunnel kiln, and carrying out primary firing to obtain the easy-to-clean antibacterial ceramic product. The glaze surface is smoother and more compact, the easy-cleaning performance of the glaze surface is improved, the antibacterial agent is firmly attached to the glaze surface, the antibacterial durability is enhanced, and the antibacterial performance is improved.

The invention relates to a high-precision and fast-response ultrahigh pressure adjusting method based on a real-time feedback control principle, and belongs to the technical field of ceramic manufacturing. The high-precision and fast-response ultrahigh pressure adjusting method based on the real-time feedback control principle comprises the steps that after a pressure adjusting device is started, a target pressure value is set; a high-precision pressure sensor is used for monitoring the pressure value in the forming process in real time; acquiring data of the pressure sensor in real time through a data acquisition system, and performing filtering and correction processing; the controller calculates the deviation between the current pressure and the set pressure according to the set pressure value and the pressure value collected in real time; by means of the real-time feedback control technology, high-precision adjustment of pressure is achieved, it is ensured that ceramic powder is subjected to uniform pressure in all directions, particles are tightly arranged, the forming density is improved, meanwhile, due to the fact that the pressure is applied in the same direction, the powder particles are subjected to the same compression force in all directions, and it is ensured that ceramic blanks are uniform in density and regular in shape.

The invention relates to the technical field of eutectic equipment, in particular to an elastic suction nozzle assembly, eutectic equipment and an eutectic method. The elastic suction nozzle assembly comprises a base, at least two suction nozzles arranged on the base and elastic assemblies arranged corresponding to the suction nozzles. The suction nozzle comprises a connecting section and a working section which are connected; two ends of the elastic component are connected with the base and the connecting section of the corresponding suction nozzle; the base is provided with a through avoiding channel, the working section is movably located in the avoiding channel, and the working section penetrates through the avoiding channel from one side of the base and is exposed out of the other side of the base. The working section is provided with a vacuum air path and a perspective window arranged corresponding to the vacuum air path; external light can pass through the perspective window and the vacuum air path in sequence and then penetrate out of the adsorption opening of the suction nozzle. According to the scheme, multiple chips can be mounted and elastically abutted at the same time, the positions of the chips are allowed to be obtained in the mounting process, so that the chips are adjusted in real time, and efficient mounting and real-time calibration capacity of the multiple chips are achieved.

The invention discloses a display panel and a display device, relates to the technical field of display, and can improve the sawtooth feeling of a display picture of a special-shaped display boundary. The display panel includes: a substrate layer; a pixel unit is arranged on one side of the substrate layer, the pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, and one pixel unit corresponds to one virtual rectangle; the area proportion of the light-emitting layer in the virtual rectangle is greater than or equal to 80%; connecting lines of geometric centers of all pixel openings in one pixel unit form a virtual triangle, an included angle between a connecting line of geometric centers of pixel openings of the first sub-pixel and the third sub-pixel and a long side of the virtual rectangle is a first included angle, and the first included angle is the smallest included angle between each side of the virtual triangle and the long side of the virtual rectangle; the second overlapping area and the third overlapping area are smaller than or equal to the first overlapping area; a shape of at least one of the pixel openings of the first sub-pixel, the second sub-pixel, and the third sub-pixel includes at least a partial curvilinear edge.

The invention provides a vehicle-mounted charger with a three-dimensional water cooling loop, a power assembly and an electric vehicle. The electrical assembly of the vehicle-mounted charger is used for charging and discharging a power battery of the electric vehicle. The shell of the vehicle-mounted charger comprises a cover plate and a containing groove. The cover plate is used for enclosing a containing groove in the first direction, and the containing groove is used for containing an electrical assembly of the vehicle-mounted charger. The three-dimensional water cooling loop of the vehicle-mounted charger comprises a first water cooling heat dissipation plate, a second water cooling heat dissipation plate, a shell water inlet flow channel and a shell water outlet flow channel. The first water-cooling heat dissipation plate and the second water-cooling heat dissipation plate are arranged in a stacked mode in the first direction. Electrical components of the vehicle-mounted charger are arranged between the first water-cooling heat dissipation plate and the second water-cooling heat dissipation plate. The first water-cooling heat dissipation plate and the second water-cooling heat dissipation plate are utilized to form double-sided heat dissipation on the electrical assembly, and the cooling effect on the vehicle-mounted charger can be enhanced.

The invention relates to the technical field of solar power generation, in particular to a storable solar power generation device, which comprises a hinged mounting frame and a support adjusting device, at least two solar power generation modules are arranged on the hinged mounting frame from top to bottom, and the support adjusting device comprises a lifting frame. According to the device, a first push rod and a second push rod can be effectively utilized to assist a solar cell panel in rotating to a position perpendicular to sunlight to improve the working efficiency, and meanwhile, a solar power generation module can be stored in a protection box through a lifting device in strong wind weather to reduce damage; therefore, extra space for maintenance does not need to be reserved during installation, a plurality of devices can be arranged in an array mode more densely, and sunlight is fully utilized. The problems that existing solar power generation equipment is large in occupied area, low in resistance to strong wind, low in power generation efficiency, inconvenient to install and the like are solved, and the protection performance and the power generation efficiency of the equipment can be effectively enhanced.

The invention provides a dopamine hybrid ligand ZIF-8 / gelatin composite aerogel and a preparation method and application thereof, and belongs to the field of composite aerogel and preparation thereof.The growth rate of ZIF-8 nanocrystals is accurately controlled through dopamine hybrid coordination metal ions, stable ZIF-8-DA hybrid crystals are formed, and the stability of the aerogel is improved. The crystal not only solves the problem that the traditional MOF material is easy to aggregate particles, but also retains abundant chemical functional groups; furthermore, the ZIF-8-DA and a gelatin matrix are compounded by adopting a multi-crosslinking strategy and a freeze-thaw treatment technology to obtain the composite aerogel with a unique three-dimensional porous microstructure, so that the mechanical strength and the structural stability of the composite aerogel are remarkably improved, and the composite aerogel shows better heat-insulating and flame-retardant properties; the composite aerogel material prepared by the scheme has excellent heat insulation and flame retardant properties, and is suitable for high-energy-consumption fields such as building energy conservation, industrial heat management and environmental flame retardance.

The invention discloses an opening mechanism and a weaving machine, the opening mechanism comprises a heald frame array, the heald frame array comprises a plurality of heald frames distributed along a first direction array; the support is used for being connected with a rack of the weaving machine; the linear driving module comprises at least two sets of linear driving units, each linear driving unit comprises a plurality of direct driving units, each direct driving unit comprises a stator module and a rotor module, the stator modules are connected to the support, and the rotor modules are in sliding fit with the stator modules. Each heald frame is connected to the rotor module of the corresponding direct drive unit, so that each rotor module drives the corresponding heald frame to reciprocate up and down, the direct drive units in each group of linear drive units extend in the second direction and are sequentially arranged in a staggered manner in the first direction, and the direct drive units in each group of linear drive units are arranged in a staggered manner in the second direction. The second direction is perpendicular to the first direction. According to the technical scheme, the shedding mechanism can directly and freely adjust the running stroke and state of the heald frame, and is simple and reliable in structure and stable in performance.

The invention relates to the technical field of conductive ink and sensor production, in particular to a flexible pressure sensor, conductive ink and a preparation method thereof.The preparation method comprises the steps that S1, a modified polyester resin composition is prepared; s2, quaternary ammonium salt modified nanocellulose and a conductive filler are adopted as raw materials to prepare a modified conductive filler; s3, respectively weighing the modified polyester resin composition, the modified conductive filler, a solvent and an auxiliary agent in proportion, adding the materials into a reaction kettle, dispersing, and stirring at a high speed to obtain conductive ink coarse slurry; s4, grinding the conductive ink coarse slurry, adjusting the distance between roll shafts to enable the fineness of the slurry not to exceed 20 microns, filtering and discharging to obtain conductive ink powder; s5, the viscosity is adjusted to be in the range of 5000 cps to 12000 cps, and the conductive ink is obtained. Through the synergistic effect of the components in the conductive ink, the flexible pressure sensor made of the conductive ink has high sensitivity and a wide enough force response range.

The invention relates to the technical field of refractory material preparation, in particular to a preparation method of an energy-saving refractory material for an RH refining furnace, and the preparation method comprises the following steps: S1, raw material pretreatment, S2, ball-milling mixing, S3, vibration molding, and S4, sintering treatment. The high-purity magnesia, corundum, zirconium oxide, Y2O3, silicon carbide and carbon fibers are pretreated, impurities are removed, the crystallinity is improved, and the crystal structure is stabilized; the two-way vibration molding treatment can enable the mixture to be more tightly arranged in the mold, so that the compactness of a green body is improved, and the heat insulation performance and the energy-saving effect of the refractory material are improved; according to the method, firstly slow heating and heat preservation are controlled, so that organic matters, impurities and the like in the green body can gradually react or be discharged, meanwhile, thermal stress caused by too fast heating is avoided, and the refractory material can adapt to complex high-temperature, strong-corrosion and other working environments of the RH refining furnace through the raw material combination in the method, so that the service life of the refractory material in the RH refining furnace is prolonged, and energy consumption is reduced.

The invention discloses a perovskite cell transmission layer and a preparation method and application thereof, and belongs to the technical field of perovskite cells, and the method comprises the steps: firstly forming a NiOx thin film layer on a substrate through a magnetron sputtering technology, then introducing a hydroxyl group on the surface of the NiOx thin film layer through electrochemical treatment, then coating the NiOx thin film layer with a NiOx nano-particle layer, and finally preparing the perovskite cell transmission layer. The preparation method comprises the following steps: preparing a NiOx thin film layer, coating Meo-4PACZ small molecules through a spin coating process to obtain a closely arranged Meo-4PACZ small molecule layer, and inserting a NiOx nano-particle layer between the NiOx thin film layer and the Meo-4PACZ small molecule layer, so that the interface contact between a transmission layer and a perovskite layer is remarkably improved, and the photoelectric conversion efficiency and the stability of the perovskite cell are improved. Through simple electrochemical treatment and a nano intercalation technology, the distribution state of the Meo-4PACZ micromolecular layer on the surface of the substrate is effectively improved, the photoelectric conversion efficiency and the stability of the cell are improved, and a powerful guarantee is provided for efficient and stable operation of the perovskite cell.

The present invention discloses a channel machine sorting method, system and related device, and relates to the field of logistics and transportation technology. A channel machine sorting method is used to use multiple channel machines to push products onto a conveyor belt respectively, so as to sort the products on the conveyor belt according to preset rules. All channel machines are arranged in sequence along the running direction of the conveyor belt. The channel machine sorting method includes: determining the start sequence of all channel machines pushing out products according to preset rules and the running direction of the conveyor belt; controlling each channel machine to push out products in sequence according to the start sequence, and in the running direction of the conveyor belt, the products pushed out by the channel machine with a later start sequence are located before the products pushed out by the channel machine with a forward start sequence. This arrangement shortens the interval between products on the conveyor belt and makes the arrangement more compact, thereby improving the sorting efficiency.

This invention provides a copper busbar structure for reducing stray inductance. The copper busbar is designed as a stacked, avoidance-avoidance structure, reducing stray inductance without requiring significant changes to the controller structure. It includes: a controller housing; a capacitor; two sets of IGBT elements, specifically a first IGBT element and a second IGBT element; a negative terminal connecting copper busbar, including two sets of negative terminal connecting holes, a capacitor negative terminal connecting hole, and a positive terminal avoidance notch; a positive terminal connecting copper busbar, including two sets of positive terminal connecting holes and a capacitor positive terminal connecting hole; insulating paper; and an insulating block.

A forearm wrist structure based on tendon-driven chords includes a forearm skeleton shell and a cross-shaped wrist joint component. The forearm skeleton shell includes a small-end shell, a large-end shell, an upper connecting plate, and a lower connecting plate. The small-end shell and the large-end shell are respectively located at the two ends of the upper and lower connecting plate. A left limiting and dividing bridge is provided on one side of the upper and lower connecting plate, and a right limiting and dividing bridge is provided on the other side. A clamping plate pivot lug assembly is provided in the small-end shell, and the cross-shaped wrist joint component is rotatably mounted on this clamping plate pivot lug assembly. The cross-shaped wrist joint component is used to rotatably mount a robot hand. A robot connector is provided in the large-end shell for connecting the robot body. This invention provides a highly flexible wrist joint without increasing the external contour of the forearm component, and the multiple drive motors are highly integrated, which is conducive to modular or component-based design and assembly.

The utility model discloses an efficient refrigeration compressor wire tube condenser, which comprises a condenser body, an air inlet, an air outlet, an air inlet, an air outlet, an air inlet, an air outlet, an air outlet, an air inlet and an air outlet and is characterized in that the condenser body is provided with an inlet end and an outlet end, and a plurality of parallel condensing pipeline parts are arranged between the inlet end and the outlet end; the heat dissipation wires are wound on the condensation pipeline part, and the condensation pipeline part is provided with a plurality of heat dissipation wires which are arranged at equal intervals in the width direction of the condensation pipeline part; the bracket is used for supporting the condenser body; and the intervals of the heat dissipation wires on the condensing pipeline parts which are sequentially arranged from the inlet end to the outlet end are gradually increased. Compared with the prior art, the wire tube condenser solves the problem of low heat dissipation efficiency caused by consistent distribution density of heat dissipation wires on multiple layers of condensation pipelines in an existing wire tube condenser.

The invention relates to the technical field of light-emitting semiconductors, and particularly discloses a vertical LED light-emitting device and a manufacturing method thereof.The vertical LED light-emitting device comprises a metal substrate, a light-emitting diode, a Zener diode, a first bonding wire, a second bonding wire and a packaging adhesive layer; the light-emitting diode is fixed above the metal substrate, the Zener diode is fixed on one side of the upper surface of the light-emitting diode, one end of the first bonding wire is connected with an electrode at one end of the metal substrate, the other end of the first bonding wire is connected with the light-emitting diode, and the other end of the first bonding wire is connected with the metal substrate. One end of the second bonding wire is connected with an electrode at the other end of the metal substrate, and the other end of the second bonding wire is connected with the Zener diode; and the packaging adhesive layer covers the metal substrate, the light emitting diode, the Zener diode, the first bonding wire and the second bonding wire. Through the design that the Zener diode and the light emitting diode are connected in parallel, an additional electrostatic protection mechanism is provided for the LED.

The invention discloses an environment-friendly rat-proof and ant-proof intelligent AI early warning cable and a production method thereof, and the cable comprises a central reinforcing core, three control wire cores and three main wire cores are distributed at the outer circumference of the central reinforcing core, and six edge reinforcing cores are filled in gaps at the outer sides of the three control wire cores and the three main wire cores in a saddle shape. A non-woven fabric wrapping layer is arranged outside the control wire cores and the main wire cores, an extruded isolation sleeve is arranged outside the wrapping layer, a steel tape armoring layer is arranged outside the extruded isolation sleeve, an extruded outer sheath is arranged outside the steel tape armoring layer, and a protective layer is arranged outside the extruded outer sheath. The cable has the beneficial effects that the structural stability, bending resistance and tensile resistance of the cable can be improved through design, and monitoring and early warning can be performed on the cable through the optical fiber, so that the service life of the cable is prolonged.

The utility model relates to the technical field of current transformers, in particular to a transformer combination structure for a three-phase guide rail meter, which comprises a combined mounting base for combining and mounting three groups of transformer bodies together, and the top of the combined mounting base is provided with the three groups of transformer bodies. The top of the combined installation base is further provided with a wiring assembly facilitating wiring of the mutual inductor body. According to the utility model, the three groups of mutual inductor bodies are mounted on the insulating mounting plate, so that the three groups of mutual inductor bodies and the insulating mounting plate form a whole, the three groups of mutual inductor bodies are arranged more compactly, the use space is saved, and meanwhile, the mutual inductor bodies are also very fast and convenient to disassemble and are beneficial to replacement and maintenance. During mounting and fixing, only the mounting plate needs to be fixed, the mutual inductor bodies do not need to be fixed one by one, and mounting is more convenient and faster. The wiring assembly enables wiring of the mutual inductor body to be more convenient, and screws do not need to be screwed frequently.

The utility model belongs to the technical field of dies for rolling, and particularly discloses a combined rolling guide and guard device capable of adjusting roller spacing, which comprises a framework base body in modular design, the framework base body is mainly formed by connecting four integrally formed racks with wedge-shaped bases and adjusting cushion blocks in series, and the framework base body is fixedly connected through four groups of long screws. And the roller adjusting mechanisms with the same structures are arranged in the racks, and the eccentric shafts, the eccentric positioning blocks, the turbines, the worms, the weight pans and the like in the roller adjusting mechanisms are matched for use, so that the rollers can be accurately adjusted, and the guide and guard device can be universally used in the rolling process. According to the combined rolling guide and guard device, the modular splicing design is adopted, the overall structural strength is high, and maintenance and replacement are convenient; meanwhile, the combined rolling guide and guard device is small in occupied space, large in adjustment range and capable of fully utilizing the length of a roller body, shortening the pass adjustment time, improving the bar production efficiency and improving the finished product quality.

The utility model provides a heat insulation assembly, a battery and a power utilization device. The heat insulation assembly comprises a heat insulation main body, a bonding layer and a separation layer, the heat insulation body is provided with connecting faces and side wall faces, the connecting faces are arranged in pairs and distributed at intervals in the first direction, and the side wall faces are connected between the connecting faces arranged in pairs. The bonding layer is arranged on the connecting surface and is connected with the heat insulation main body; the separating layer covers the side, away from the heat insulation body, of the bonding layer. Wherein the heat insulation main body is provided with a notch, the notch is formed by sinking the side wall face into the heat insulation main body, and the orthographic projection of the separation layer in the first direction covers the notch. According to the heat insulation assembly provided by the embodiment of the invention, the separation layer can be stripped conveniently.

The invention discloses a low-expansion three-temperature cold and hot plate and a preparation method, and belongs to the field of precise alloy components. The cold and hot plate is made of titanium-niobium-based alloy, the titanium-niobium-based alloy comprises, by atomic percent, 25%-35% of Nb, the total content of V and / or Ta smaller than or equal to 3% and the balance Ti, the titanium-niobium-based alloy comprises a three-temperature structure of a low-temperature adaptation area, a normal-temperature stable area and a high-temperature tolerance area, the thickness of the titanium-niobium-based alloy ranges from 1.5 mm to 2 mm, and the surface of the titanium-niobium-based alloy is provided with a nitride layer or a passive film. The preparation method comprises the steps of burdening, 2-3 times of vacuum consumable smelting, hot forging, hot rolling, partition cutting, pre-deformation regulation and control, solid solution quenching, cold rolling finishing, splicing forming and the like, and vacuum stress relief annealing and dual performance detection are matched. The method is suitable for scenes such as chip packaging and precision detection, and is low in cost and high in qualified rate.

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and aims to solve the problem of non-uniform display of the display panel. The display panel is provided with a fan-out area; the fan-out area comprises a first area and second areas located on the two opposite sides of the first area. The first area and the second area are arranged in the first direction; the display panel comprises a plurality of fan-out lines; the plurality of fan-out lines comprise a plurality of first-type fan-out lines and a plurality of second-type fan-out lines; the plurality of first-type fan-out lines are located in the first area, and the plurality of second-type fan-out lines are located in the second area; each first-type fan-out line in the plurality of first-type fan-out lines comprises a first winding part, and the size of the area occupied by the first winding part in the second direction is smaller than the line length of the first winding part; every two adjacent first fan-out lines in the first direction are arranged on different layers. In the thickness direction of the display panel, orthographic projections of the first winding parts of every two adjacent first fan-out lines on the plane where the display panel is located are at least partially overlapped.

The invention discloses a flat panel detector and a method and device for using the flat panel detector. A flat panel detector is constructed on the basis of an amorphous silicon substrate on which a hexagonal pixel pattern is uniformly laid. The hexagonal pixels can be arranged more closely on a two-dimensional plane, and gaps among the pixels are reduced, so that a photosensitive area is maximized with a relatively high filling rate, and the spatial resolution of the detector is improved. And the hexagonal pixels enable a frequency space to generate an angle of 60 degrees, so that the influence of grid artifacts is reduced to a certain extent. Meanwhile, the hexagonal pixel array is effectively processed and optimized by adopting an image reconstruction algorithm, the signal-to-noise ratio of the single pixel of the flat panel detector is improved, and the definition and accuracy of the image are improved.

The utility model relates to the technical field of light-emitting semiconductors, and particularly discloses a vertical LED light-emitting device, which comprises a metal substrate, a light-emitting diode, a Zener diode, a first bonding wire, a second bonding wire and a packaging adhesive layer, the light-emitting diode is fixed above the metal substrate, the Zener diode is fixed on one side of the upper surface of the light-emitting diode, one end of the first bonding wire is connected with an electrode at one end of the metal substrate, the other end of the first bonding wire is connected with the light-emitting diode, and the other end of the first bonding wire is connected with the metal substrate. One end of the second bonding wire is connected with an electrode at the other end of the metal substrate, and the other end of the second bonding wire is connected with the Zener diode; and the packaging adhesive layer covers the metal substrate, the light emitting diode, the Zener diode, the first bonding wire and the second bonding wire. According to the utility model, through the design that the Zener diode is connected with the light emitting diode in parallel, an extra electrostatic protection mechanism is provided for the LED.

The invention relates to the technical field of winding equipment, and provides a winding device for a chute iron core, which comprises a main bracket, a main shaft, a die head assembly, a winding assembly and a wire assembly, and is characterized in that the main shaft is supported on the main bracket; the die head assembly comprises a die head seat and a positioning seat; the positioning seat is elastically connected to one end of the die head seat and can move relative to the die head seat; the wire assembly comprises an upper wire support lug and a lower wire support lug which are used for guiding an enameled wire to the tooth part of the iron core; the upper wire supporting lug extends in the first direction, the first direction is inclined relative to the longitudinal section, the lower wire supporting lug extends in the second direction, the second direction is inclined relative to the longitudinal section, and an upper guide groove enabling the upper wire supporting lug to move in the first direction and a lower guide groove enabling the lower wire supporting lug to move in the second direction are formed in the positioning base. Compared with the prior art, the iron core has higher magnetic field intensity, and the magnetism of the motor is ensured.

The invention discloses a sodium methoxide integrated production system which comprises a reaction kettle, a dryer and a quantitative forming mechanism, the quantitative forming mechanism comprises a first fixing plate and a second fixing plate, the second fixing plate is supported and fixed through a supporting frame, and the first fixing plate is fixed to the top end of the second fixing plate through a support. An extrusion opening and a first discharging opening are formed in the first fixing plate, a second discharging opening is formed in the second fixing plate, the second discharging opening is located under the first discharging opening, an extrusion plate and a discharging plate are arranged at the top end of the first fixing plate, and an extrusion die is arranged between the first fixing plate and the second fixing plate. The finished product sodium methoxide is pressed into a cake shape, compared with direct packaging of powder, the cake-shaped structure is more regular and can be arranged more tightly, waste of packaging space is reduced, and the packaging efficiency is improved.

Provided in the embodiments of the present application is a megawatt parallel pipe type charging pile cable, specifically: the cable comprises a sheath assembly, a main power line, cooling pipes and core wires; wherein the cooling pipes are at least 4 in number; the sheath assembly covers the main power line, the cooling pipes and the core wires; the cooling pipes are arranged in close contact with the sheath assembly, and the cable is centrally provided with the core wires; the cooling pipes are distributed at equal intervals; the main power line comprises positive power lines and negative power lines, and the positive power lines and the negative power lines are arranged in one-to-one correspondence and symmetry; the positive power lines and the corresponding negative power lines are arranged in close contact with different cooling pipes, respectively. The present application adopts a multi-core split design for the main power line comprising positive power lines and negative power lines, each independent core wire is closely attached to the outer wall of the cooling pipe, heat conduction is strengthened through direct contact, and heat is efficiently transferred vertically to the cooling liquid.

The application belongs to the technical field of carbon-based thermal protection composite materials, and discloses a kind of quick densification high tenacity carbon-based composite material and its preparation method, its preparation steps include: 1) after mixing uniformly benzoxazine resin, solvent and ceramic precursor, heating, first impregnation liquid is prepared;2) first impregnation liquid is brushed on carbon fiber cloth, and naturally air-dried, to obtain pretreated carbon fiber cloth;3) after mixing uniformly benzoxazine resin, solvent, ceramic precursor and ceramic particles, second impregnation liquid is prepared;4) second impregnation liquid is brushed on pretreated carbon fiber cloth, and dried, to obtain prepreg;5) after laminating and laying up prepreg, mould pressing is formed, to obtain blank;6) blank is heated and pyrolyzed under inert atmosphere, to obtain carbon-based composite material.The carbon-based composite material of the application can be formed and simultaneously quickly densified in only one cycle, almost realizes full densification, porosity is less than 1.5vol%, and has excellent mechanical properties and thermal protection performance.