956 results about "Honeycomb like" patented technology

The invention belongs to the technical field of closed cooling towers, and discloses a countercurrent closed cooling tower and a cooling method.The countercurrent closed cooling tower comprises a tower body, a draught fan is fixedly connected to the top of the tower body, an air inlet is formed in the side wall of the bottom of the tower body, a water collecting tank is formed in the bottom of the tower body, and a pair of coil pipes is fixedly connected to the middle of the tower body; through cooperation of structures such as an annular shell, an annular spraying pipe and a concave panel, the possibility that scale is generated by the coil pipe is reduced, the heat exchange effect can be improved, during heat exchange, water in a collecting groove of the annular spraying pipe moving in a reciprocating mode is pumped and pressurized, the surface of the coil pipe is scoured in an annular mode, and the scale forming risk is reduced; and meanwhile, the sliding columns continuously extrude the wave-shaped grooves, so that the whole annular shell rotates in a reciprocating mode, close-distance washing can be more uniform, and therefore the heat exchange effect and durability of the coil pipe are efficiently improved.

The invention discloses an adjustable topology valley topology photonic crystal filter with any wavelength notch. The filter comprises a waveguide interface, a first valley topology photonic crystal and a second valley topology photonic crystal. The first valley topology photonic crystal comprises a plurality of first regular hexagonal unit cells, fan-shaped dielectric cylinders are arranged at three interphase vertexes of a single first regular hexagonal unit cell, and the first regular hexagonal unit cells are arranged in a honeycomb array to obtain N circular dielectric cylinders with the radius of R; the second valley topology photonic crystal comprises a plurality of second regular hexagonal unit cells; fan-shaped dielectric cylinders are arranged at three interphase vertexes of a single second regular hexagon unit cell, and the valley number symbols of the fan-shaped dielectric cylinders are opposite to the valley number symbols of the first regular hexagon unit cells; the second regular hexagonal unit cells are arranged in a honeycomb array to obtain M circular dielectric cylinders, the radius of the M1 circular dielectric cylinders is R, the radius of the M2 circular dielectric cylinders is larger than R, and M1 + M2 = M. According to the invention, any wavelength interval wave trapping function can be realized.

The utility model discloses a honeycomb type heat dissipation rear cover which comprises a cover body, the outer side of the cover body is provided with two containing concave surfaces, the bottom surfaces of the containing concave surfaces are provided with a plurality of heat dissipation concave holes integrally formed with the cover body, the heat dissipation concave holes are honeycomb-shaped open holes, and the depth of the heat dissipation concave holes is smaller than the thickness of the cover body. An installation protrusion is arranged in the center of the outer side of the cover body, a power line outlet and two counter bores are formed in the edge of the outer side of the cover body, installation holes are formed in the counter bores, a through hole is formed in the center of the installation protrusion, and reinforcing ribs are arranged between the installation protrusion and the counter bores. Two forming grooves are formed in the outer side of the cover body; the cover body of the honeycomb type heat dissipation rear cover can lead out heat in the motor through the heat dissipation concave holes, the thickness of the part, located at the heat dissipation concave holes, of the cover body is small, heat transfer is faster, heat of the motor can be dissipated to air more easily, the heat dissipation performance of the motor and parts is improved, and the service life of the motor and the parts is prolonged.

The invention discloses a metal grid transparent conductive film which sequentially comprises a transparent base material layer, a metal grid layer, a transition layer and a protection layer from bottom to top. The manufacturing method comprises the steps of pretreating the transparent base material, preparing the metal seed layer, performing laser direct writing patterning, performing electroplating thickening to form the metal grid layer, preparing the transition layer and the protective layer, and performing performance test and adjustment. The hexagonal honeycomb grid structure and the arc edge design are adopted, and the problem of metal grid electric field concentration is effectively solved; through the arrangement of the transition layer, the interface bonding force of the metal grid is improved; the protection layer and the transition layer cooperate to improve the corrosion resistance of the film; the problems that an existing transparent conductive material is high in cost, poor in flexibility and insufficient in interface compatibility, and an electrochromic device is concentrated in electric field, short in service life and the like are effectively solved, and the transparent conductive material can be widely applied to building intelligent windows, automobile anti-dazzle rearview mirrors, flexible display panels and other electrochromic devices and has important industrial application value.

The invention belongs to the technical field of brazing, and particularly relates to a contact-shaped composite brazing filler metal and a preparation method and application thereof.The preparation method comprises the steps that a sheet made of a material A is obtained; stamping the sheet by using a stamping die so that the surface of the sheet is bent to form a plurality of trapezoidal grooves to obtain a honeycomb array structure sheet; solder paste is sprayed and printed in the trapezoidal grooves of the honeycomb array structure sheets, and the solder paste comprises brazing filler metal B and scaling powder; the honeycomb-shaped array structure sheet sprayed with the soldering paste is put into a reflow oven to be heated, the brazing filler metal B in each trapezoid-shaped groove is melted to form a protruding contact, and a contact-shaped composite brazing filler metal sheet is obtained; wherein the scaling powder is separated out in the heating process and flows to cover the outer surface of the contact-shaped composite brazing filler metal sheet; the high-strength composite welding spot can be prepared, and the characteristics of low-temperature welding and high-temperature application are achieved.

The invention relates to the technical field of microwave absorbing materials, in particular to a method for preparing a composite microwave absorbing material from papermaking sludge and application. The method comprises the following steps: (1) drying, grinding and screening the papermaking sludge to obtain a papermaking sludge powder raw material with moderate particle size; (2) preparing a gel inducer-ferric nitrate nonahydrate solution; (3) weighing the powder raw material prepared in the step (1), dispersing the powder raw material in a ferric nitrate nonahydrate solution, stirring until the powder raw material is completely formed into gel, and drying the gel at the temperature of 100 + / -5 DEG C for 6-12 hours to prepare a honeycomb-shaped pore material; and (4) roasting the material prepared in the step (3) in an inert atmosphere at a constant temperature of 500-900 DEG C for 1-3 hours, and cooling to room temperature to obtain the catalyst. According to the method, the papermaking sludge is recycled, meanwhile, the preparation cost is low, and the prepared composite microwave absorbing material is light, efficient and excellent in performance.

A heater element 1 includes: a honeycomb structure 10 having an outer peripheral wall 100 and partition walls 110, the partition walls 110 defining a plurality of cells 101a, each of the cells 101a extending from a first end face 10a to a second end face 10b of the honeycomb structure 10 to form a flow path, at least the partition walls 101 being made of a material having a positive temperature coefficient (PTC) property; a first electrode 11 and a second electrode 12 provided on the first end face 10a and the second end face 10b, respectively; and a first metal terminal 13 and a second metal terminal 14 provided on the first electrode 11 and the second electrode 12, respectively, wherein at least one of the first metal terminal 13 and the second metal terminal 14 has a plurality of partial electrodes 15.

This utility model relates to a noise reduction structure for a DC motor, wherein the noise reduction structure (1) is disposed within a cavity for accommodating a commutator (2) and close to the sound source. The noise reduction structure (1) can be a honeycomb structure, a square structure, a circular structure, or a regular polygonal structure, and can be disposed on the bottom surface of the cavity, or simultaneously on the sidewalls and bottom surface of the cavity. The noise reduction structures (1) can be evenly distributed on the bottom surface and sidewalls of the cavity, or staggered. In addition, the noise reduction structure (1) can also be disposed within the cavity of a gearbox (5), including at the bottom of the gearbox cavity (6), or simultaneously on the bottom and cavity walls of the gearbox cavity (6). Using this noise reduction structure for a DC motor, the sound waves generated by the sound source are effectively reflected and canceled out by the noise reduction structure, thus reducing the noise of the DC motor and possessing certain practical value.

The utility model discloses a tricycle auxiliary heat dissipation system which comprises a cooling box, a protection plate and a connecting frame, a taper pipe is arranged on the upper portion inside the cooling box, two fixing plates are arranged on the left side face and the right side face of the cooling box, the protection plate is installed on the surface of the cooling box, a plurality of honeycomb-shaped ventilation holes are formed in the surface of the protection plate, and two L-shaped frames are arranged on the left side face and the right side face of the protection plate. The connecting frame is installed on the back face of the protection plate, a connector is arranged at the corner of the connecting frame, the connector is connected with the L-shaped frame through a bolt and a nut, and the connector is clamped on the surface of the corresponding fixing plate; the protection plate is connected with the connector of the connecting frame through the L-shaped frame, the cooling box is installed on the motorcycle through the fixing plate, the protection plate blocks the cooling box, when the cooling box collides with wind, impurities are attached to the protection plate, the cooling box is prevented from being blocked by the impurities, and the cleaning period of the cooling box is prolonged; and regular cleaning and maintenance of the protection plate are facilitated, and efficient cooling of the cooling box can be kept.

The utility model relates to the technical field of bicycle frames, and discloses a magnesium alloy frame with a damping cavity, which is characterized in that the magnesium alloy frame with the damping cavity comprises a saddle main shaft, two sides of the outer wall of the saddle main shaft are rotatably connected with rotating rods, the other ends of the rotating rods are rotatably connected with rear wheel inclined rods, and the rear wheel inclined rods are connected with the damping cavity. A second connecting block is fixedly connected to the outer wall of the saddle main shaft, a lower sleeve is rotatably connected to the outer wall of the second connecting block, a telescopic sleeve is fixedly connected to the top end of the lower sleeve, a moving rod is slidably connected to the inner wall of the telescopic sleeve, and a first buffering assembly is arranged on the outer wall of the moving rod. According to the shock absorber, the first spring is compressed through the movable rod, the movable rod drives the extrusion plate to extrude the pressed plate, the pressed plate compresses the second spring, and therefore the two-time buffering effect is achieved, and the honeycomb-shaped shock absorption cavity can absorb and disperse shock energy through deformation of the honeycomb-shaped shock absorption cavity, and the shock absorption effect is achieved.

The application relates to the technical field of sodium ion batteries, and particularly discloses a negative electrode sheet based on an anodic aluminum foil and a preparation method thereof, which comprises: a honeycomb-shaped porous current collector including a pure aluminum foil layer and a nano-porous aluminum oxide layer, wherein the nano-porous aluminum oxide layer is obtained by sequentially performing anodic oxidation and acid corrosion on the aluminum foil current collector; a first coating layer, which is a high-specific-energy phosphorus-doped material and is embedded in the porous structure of the nano-porous aluminum oxide layer; and a second coating layer, which is made of hard carbon material and is coated on the first coating layer. In the application, the aluminum foil is treated by anodic oxidation to obtain a honeycomb-shaped nano-porous aluminum oxide layer, and then the thickness and pore size of the oxide layer are regulated by acid corrosion treatment, so that the surface roughness of the aluminum foil is improved, the adhesion between the electrode sheet and the current collector is improved, and the volume expansion of the phosphorus-based material is inhibited through the embedding design of the first coating layer, thereby improving the cycle stability and safety of the battery.

This utility model relates to the field of fire-resistant infill door technology, specifically: a reinforced fireproof infill door, comprising a door body, the door body being composed of an outer protective layer, a first fireproof and heat-insulating layer, a reinforcing support layer, a second fireproof and heat-insulating layer, a buffer and shock-absorbing layer, and an inner protective layer. The outer protective layer is a steel plate with a fireproof coating; the first fireproof and heat-insulating layer is an aerogel composite fireproof felt; the reinforcing support layer is a honeycomb stainless steel skeleton structure; the second fireproof and heat-insulating layer is an expanded perlite fireproof board; the buffer and shock-absorbing layer is melamine foam; and the inner protective layer is a fireproof decorative board. In this utility model, through the synergistic effect of the six layers, the performance of the door body is comprehensively improved from multiple aspects such as fireproofing, heat insulation, structural support, and buffer and shock absorption. It can effectively block the spread of flames and heat for a long time during a fire, ensuring the structural integrity of the door body and buying valuable time for safe evacuation and fire rescue.

The invention discloses a preparation method of C3H5NO-ZnCl2, a preparation method of Mg4Al2Zn2PO4 hydrotalcite, a preparation method of an intumescent flame-retardant epoxy acrylate coating and a coating thereof, phosphate radical series hydrotalcite is prepared by adopting a coprecipitation method, the phosphate radical series hydrotalcite is matched with ZnCl2 and EA, and the coating is formed by UV curing, so that the flame-retardant property of the epoxy acrylate coating (EA) is improved, and the flame-retardant property of the coating is improved. The result shows that ZnCl2 can be well inserted into the hydrotalcite layer; the flame retardant effect of the Mg4Al2Zn2PO4-C3H5NO-ZnCl2 (1: 1) / EA coating is optimal, and the carbon residue rate, the limit oxygen index and the vertical combustion level of the coating are optimal and are respectively 56.84%, 56 and V-0. Meanwhile, the flame-retardant coating has good transparency and mechanical properties, the light transmittance of the flame-retardant coating can reach 92% at most, and the hardness of the flame-retardant coating reaches 6H; the thermal decomposition temperature is high, the high-temperature calcined carbon layer structure is a regular hexagonal honeycomb-shaped stable structure, and the flame retardant property is high.

The utility model relates to the technical field of loudspeakers, and particularly discloses an invisible sound reinforcement plate which comprises a middle core layer which is a composite base material formed by interweaving carbon fibers and aramid fibers. The supporting layer is arranged at the upper end of the middle core layer, and the supporting layer is composed of a plurality of frameworks with the sections of regular hexagon structures and is of a honeycomb structure as a whole; the sound reinforcement plate has the advantages of high strength, good tensile effect, support of ultrahigh-frequency sound wave conduction, light weight and reduction of the overall weight of the sound reinforcement plate; the supporting layer is composed of a plurality of frameworks with the sections of regular hexagon structures, the whole supporting layer is of a honeycomb structure, rigidity is good, bending resistance is high, deformation is not prone to being caused in the assembling and using process, and therefore the using performance of the sound reinforcement plate is improved. The supporting ribs form a continuous force transmission path and disperse local stress, the trapezoid cross section reduces the stress concentration coefficient, and the buffering wrapping edge is made of silica gel materials, prevents external dust from invading the sound reinforcement plate interlayer and meanwhile plays a role in buffering and shock resistance.

This invention discloses a honeycomb-structured, micro-pressure-enhanced, and efficacious plant-based soft film powder substrate and its preparation method, belonging to the field of cosmetic technology. The soft film powder substrate, by weight, comprises 15-30 parts sodium alginate, 5-12 parts calcium sulfate, 3-8 parts Tremella fuciformis polysaccharide, 20-40 parts fine-particle-size rice starch, 10-25 parts coarse-particle-size rice flour, 2-6 parts frozen-cell-broken Ophiopogon japonicus extract, and 2-6 parts frozen-cell-broken Polygonatum odoratum extract. This invention constructs a honeycomb porous framework using gradient particle size powders, optimizes the alginate-calcium ion intelligent cross-linking system, and prepares highly active plant extracts using ultra-low temperature freezing and cell wall disruption. It controllably constructs a honeycomb gel network, achieving excellent micro-pressure-enhanced penetration and moisturizing effects, while also possessing excellent thermal stability, cold storage stability, and light stability. This solves the technical problems of existing soft film powders, such as poor film-forming structure, weak penetration-enhancing effect, insufficient stability, and low utilization rate of active ingredients. The formula is mild and safe.

The waste liquid collecting device comprises a first collecting cup, a second collecting cup and a honeycomb-shaped grating, the first collecting cup comprises a cup body, the cup body defines a containing space, the cup body is provided with a top opening and a bottom opening, the second collecting cup comprises an outer layer side wall, an annular bottom plate and an inner layer side wall which are sequentially connected, and the honeycomb-shaped grating is arranged on the outer layer side wall. The bottom of the cup body is movably connected with the top of the outer layer side wall, and the honeycomb-shaped grating is located in the containing space and covers the cup body. According to the waste liquid collecting device for the gluing developing machine, the honeycomb-shaped grating is arranged on the cup body of the first collecting cup, so that the probability of back-splashing of waste liquid can be effectively reduced, the problems of pattern defects, particle pollution and the like of wafers are further reduced, and the yield of the wafers is improved.

The utility model discloses an efficient heat dissipation aluminum pot structure which comprises an aluminum pot body, handles are fixedly installed on the two sides of the aluminum pot body, an installation groove is formed in the center of the lower surface of the aluminum pot body, a plurality of embedded grooves in a circular array are formed in the outer surface of the aluminum pot body, and the embedded grooves extend in the direction from the lower surface of the aluminum pot body to the side wall of the aluminum pot body. A heat dissipation ring is detachably installed on the outer surface of the aluminum pot body. When the aluminum pot body is heated, the lower surface of the aluminum pot body is in contact with a heat source, the honeycomb-shaped ceramic plate located on the lower surface of the aluminum pot body assists heat to be more evenly distributed on the lower surface of the aluminum pot body, accumulation of the heat at the bottom of the aluminum pot body is reduced, and the heat dissipation assembly embedded in the installation groove can absorb the heat at the bottom of the aluminum pot body more quickly. And heat is quickly conducted to the side wall of the aluminum pot body from the mounting groove along the embedding groove, and is uniformly distributed at the bottom and the side wall of the aluminum pot body, so that quick diffusion of the heat is realized.

The invention discloses a functional structure integrated optimization polishing pad capable of uniformly removing materials. The functional structure integrated optimization polishing pad comprises a polishing layer and an elastic layer, the polishing layer is composed of a plurality of protrusions, and the protrusions are arranged in a honeycomb shape. The elastic layer is of a concentric partition structure and comprises a soft area and a hard area. By designing surface patterns of the polishing pad, abrasive particle tracks on the surface of the workpiece are uniformly distributed; by designing the polishing pad structure, the contact pressure on the surface of the workpiece is uniformly distributed. The surface pattern and structure of the polishing pad are subjected to comprehensive optimization design, integrated optimization of the functional structure of the polishing pad is achieved, the abrasive particle motion trail and contact pressure distribution can be cooperatively regulated and controlled, and the material removal uniformity of the surface of a workpiece is improved.

The invention relates to the technical field of biomass resource utilization, in particular to a lignin-based flame-retardant porous material and a preparation method thereof. The preparation method of the lignin-based flame-retardant porous material provided by the invention comprises the following steps: preparing straw lignin; mixing straw lignin, furfuryl alcohol and oxalic acid, and curing to obtain precursor slurry; performing steam foaming on the precursor slurry to form a porous framework; spraying the surface of the porous framework wet and then carrying out microwave carbonization treatment to form a carbonization layer on the surface of the porous framework. According to the preparation method provided by the invention, the material is endowed with excellent heat-insulating property (the heat conductivity coefficient is as low as 0.028 W / (m.K)) and intrinsic flame-retardant property (the limit oxygen index reaches 35% and reaches the UL94 V-0 standard) through a honeycomb hierarchical pore structure constructed by steam foaming and a compact carbonization layer formed by microwave surface carbonization.

The utility model relates to the technical field of seats, in particular to a low-temperature-resistant hardened seat filling structure which comprises an upper layer, a middle layer and a bottom layer, the middle layer is an elastic layer, the elastic layer comprises a group of symmetrically-arranged elastic middle layers, an elastic supporting unit is arranged between the two elastic middle layers, and the elastic supporting unit is arranged between the two elastic middle layers. According to the low-temperature elastic cushion, a group of symmetrical elastic supporting units are arranged and matched with each other, and the elasticity and the supporting force of the elastic cushion at a low temperature are further enhanced by combining a honeycomb structure in the elastic cushion and a supporting array structure on the side edge of the elastic cushion; and excessive deformation and collapse caused by low temperature are avoided.

The invention relates to the technical field of composite functions, in particular to a NiCo2O4 nanosheet array modified expanded graphite heat storage-wave absorption integrated material and a preparation method thereof. According to the invention, an EG surface functional group is innovatively used as a nucleation site, and a precursor is guided to carry out anisotropic growth and oriented self-assembly in a limited space through a hydrothermal reaction, so that a precursor with a specific morphology (rod cluster shape) is formed; and through topological conversion, the NiCo2O4 nanosheets are firmly and uniformly converted into the honeycomb NiCo2O4 nanosheet array on the EG skeleton. The in-situ growth strategy ensures that strong chemical combination and tight physical contact are formed between the functional nano material and the conductive skeleton, and skeleton-absorbent function integration is realized. And the subsequent vacuum impregnation process further realizes directional transportation and spatial confinement solidification of the phase change material in the graded pore channel through interface energy gradient and capillary acting force, and finally, precise compounding and efficient cooperation of the'heat storage-wave absorption 'dual functions on the micro-scale are completed.

The utility model relates to the technical field of bulletproof plates, in particular to an elastic constraint composite bulletproof plate which comprises a baffle, a buffer plate is arranged on the outer side of the baffle, the buffer plate is made of foamed aluminum, and a dispersing assembly is arranged on the outer side of the baffle. The dispersing assembly comprises a plurality of stacked ceramic frames, the ceramic frames are honeycomb-shaped, a plurality of ceramic trapezoidal frames are fixedly connected to the outer sides of the ceramic frames, and the ceramic frames and the ceramic trapezoidal frames are all made of silicon carbide ceramics. The honeycomb-shaped ceramic frame and the ceramic trapezoid frame are arranged in a matched mode, a plurality of gaps are formed in the honeycomb-shaped structure, the actual usage amount of ceramic materials is reduced through the gaps, the number of protective layers is increased due to the fact that the honeycomb-shaped ceramic pieces exist, and after the body armor is hit by bullets once, even if the honeycomb-shaped ceramic pieces are broken in a local area, the protective layers can not be damaged. Due to the mutual connectivity and the overall stability of the honeycomb structure, the surrounding honeycomb units can still play a protection role continuously.

This utility model relates to the field of industrial waste gas treatment technology, specifically a waste gas adsorption device with a honeycomb activated carbon layer, including an adsorption plate body; a honeycomb plate located within the adsorption plate body; a frame fitted onto the surface of the adsorption plate body; and a mounting shell located on one side of the adsorption plate body. Employing a spring-loaded elastic connection and an adjustable limiting structure, it effectively solves the problems of easy loosening of bolts and displacement due to vibration in traditional adsorption devices. The synergistic action of the first and second springs dynamically adjusts the fixed position of the adsorption plate, ensuring its stability even under waste gas impact or equipment vibration. Simultaneously, the protrusions, inclined side baffles, and limiting plate enhance the device's resistance to displacement and extend its service life.

A method for manufacturing a honeycomb structure includes preparing a honeycomb formed body by extruding a green body comprising a ceramic raw material, a pore-forming material, a binder and a dispersion medium through a die that defines opening shapes of the plurality of cells; drying the honeycomb formed body to obtain a honeycomb dried body; and firing the honeycomb dried body to obtain a honeycomb fired body in which a thickness of the partition walls is 50 μm or more and 210 μm or less, and a porosity of the partition walls is 45% to 60%; wherein the pore-forming material contains crosslinked starch and an acrylic polymer, and the green body contains 1.0 parts by mass or more of crosslinked starch with the proviso that a P content is less than 0.2 parts by mass, with respect to 100 parts by mass of the ceramic raw material.

The invention discloses a method for optimizing a front guide groove of a bar flying shear. The method comprises the following steps that a honeycomb-shaped supporting structure is arranged on a guide groove base body for structural strengthening; a wear-resistant layer is arranged on the working surface of the reinforced guide groove base body; an adjustable guide part is additionally arranged in the rolled piece outlet area of the guide groove so as to guide the motion trail of the rolled piece before the rolled piece enters the flying shear; a quick dismounting and positioning mechanism is arranged between the guide groove and the mounting base, so that the guide groove can be conveniently replaced and reset; a cooling device is arranged on the guide groove and used for cooling the working area of the guide groove to restrain thermal deformation; a vibration reduction part is additionally arranged between the guide groove and the mounting base, and an adjustable inertia balance unit is arranged, so that the vibration level in the operation of the guide groove is reduced; a state monitoring unit is arranged on the guide groove and used for collecting parameters reflecting the working state of the guide groove in real time and conducting abnormal early warning. By innovatively improving the structure and the material of the guide groove, the problem of shearing deviation caused by the fact that a traditional guide groove is prone to abrasion and deformation is solved.

The invention relates to the technical field of cutting devices, and discloses a nonmetal automotive trim ultrasonic multi-axis curved surface cutting device which comprises a machine body, a moving assembly is arranged on the outer wall of the machine body, an ultrasonic cutting assembly is installed on the outer wall of the moving assembly, and a workbench is installed on the upper surface of the machine body. A first motor is fixedly connected into the machine body, a threaded rod is fixedly arranged at the output end of the first motor, first gears are fixedly connected to the two ends of the threaded rod, second gears are connected to the tooth ends of the first gears in a meshed mode, supporting rods are fixedly connected into the second gears, and first magnetic rings are rotationally connected to the outer walls of the supporting rods. The supporting frame is controlled to move up and down through the first motor, rapid switching of the whole workbench in a honeycomb-like shape or a plane shape is achieved, therefore, the scattered supporting effect or the overall supporting effect is provided under different machining working conditions, and the stability and safety in the non-metal interior trim part cutting process are improved.

This invention provides a mobile wind tunnel device capable of outputting uniform droplets, belonging to the field of icing and anti-icing technology for ships and marine structures. The device includes: a stabilizing rectangular cavity and a transitional circular-to-square cavity, the stabilizing rectangular cavity and the transitional circular-to-square cavity being connected. The circular opening of the transitional circular-to-square cavity is connected to a variable frequency fan. A honeycomb rectifier and multiple airfoil spray frames are installed inside the stabilizing rectangular cavity, with the honeycomb rectifier located between the variable frequency fan and the airfoil spray frames. This mobile wind tunnel achieves uniform droplet output, maintaining a stable airflow field through the honeycomb rectifier; by arranging heating tape in the water and air pipes inside the airfoil spray frames, the wind tunnel device can operate for extended periods in low-temperature environments without icing; and a control cabinet controls wind speed, water pressure, and air pressure to obtain icing data for the ship's superstructure under different wind speeds and droplet diameters.

The utility model provides a battery pack box body, and particularly relates to the technical field of new energy automobile battery packs. The battery pack box body comprises a cover plate and a box body, wherein the cover plate comprises a main plate and layer sealing plates arranged at the top and the bottom of the main plate; a plurality of through holes in a honeycomb array are formed in the surface of the main board at equal intervals in the thickness direction of the main board. The box body is of a cuboid structure with an opening in the top, a cavity interlayer is arranged at the bottom of a bottom plate of the box body, and a liquid cooling pipe is laid in the cavity interlayer and tightly attached to the bottom plate; the top of the bottom plate is provided with a cross-shaped bracket matched with a groove in the bottom of the battery module; and the cover plate and the box body are fixed through a connecting lug plate. According to the structure, the honeycomb array hollow main body is arranged in the cover plate made of the SMC composite material, so that the mechanical strength is ensured, the light weight of the battery pack is realized, and the purpose of cooling the battery pack in the box body is effectively realized on the premise of ensuring the overall sealing performance of the box body through the arrangement of the liquid cooling pipe.

This invention relates to the field of ecological building materials technology, and discloses a biodegradable mold for preparing honeycomb porous concrete. The mold includes a horizontally positioned base plate and four side plates vertically surrounding the perimeter of the base plate. The upper surface of the base plate has several vertically upward-pointing cylindrical protrusions, the tops of which are flush with the tops of the side plates, arranged in a regular hexagonal honeycomb matrix. The mold is made of 100 parts of edible-grade corn starch, 20-40 parts of deionized water, and 2-8 parts of food-grade glycerin. This invention, by combining a starch-based substrate with deionized water and food-grade glycerin, improves the mold's compressive strength and ensures the precision of pore formation. The mold eliminates the need for demolding and degrades in natural soil to generate monosaccharides, providing a carbon source for the early growth of internal plants. The integrated hot-pressing structure of the base plate and protrusions eliminates seams, preventing joint leakage and deformation during vibration compaction and ensuring the interconnected porosity of the porous concrete.

The utility model discloses a novel tensile flexible combination cable, which relates to the technical field of flexible combination cables, and comprises a functional cable core group, the outer side of the functional cable core group is wrapped with a tensile fiber bundle and a dynamic buffer strip, the tensile fiber bundle is spirally wrapped on the outer wall of the functional cable core group, and the dynamic buffer strip is wrapped on the outer wall of the functional cable core group. Spiral gaps of the tensile fiber bundles are filled with the dynamic buffer strips, the dynamic buffer strips are regular hexagon honeycomb-shaped frameworks, the outer sides of the tensile fiber bundles and the dynamic buffer strips are wrapped with stress transition layers, the tensile fiber bundles utilize double reverse angle fiber layers to counteract torsional stress through the arranged tensile fiber bundles and the dynamic buffer strips, and therefore the tensile strength of the tensile fiber bundles is improved. And the rough surface is utilized to improve the interface bonding force, the dynamic buffer strip can be instantly hardened under the impact load to protect the cable core, and meanwhile, through the special matching design of the stress transition layer and the outer sheath, the stress generated in the bending process of the cable is effectively dispersed, and the problem of cable core fracture caused by stress concentration is avoided.