17results about How to "Enhanced diversion" patented technology

The invention relates to a lightweight gauze for toughening a fiber composite material and a preparation method thereof, belongs to the technical field of toughened gauzes, and solves at least one of the problems that in the prior art, the gauze is easy to dissolve in a resin filling process, the liquid forming effect is poor, the toughening effect is not obvious and the like. The light gauze comprises a low-melting-point component and a high-melting-point component; the melting point range of the low-melting-point component is 100-160 DEG C, and the low-melting-point component and the epoxy resin are insoluble; the melting point range of the high-melting-point component is 300 DEG C or above, and the high-melting-point component is dissolved in the epoxy resin. The light gauze is not easy to dissolve in the resin filling process, so that the manufacturability of automatic laying and liquid forming in the fiber composite material preparation process is improved; the brittleness of the dry fiber composite material is improved, and the mechanical property of the dry fiber composite material is remarkably improved.

The utility model discloses a chemical product thermal stability assessment auxiliary device which comprises a container and a heating device used for heating the container, the outside of the heating device is movably connected with a movable rod, and the outside of the movable rod is provided with a rotating assembly used for chemical products. The rotating assembly comprises a tray arranged on the movable rod, a plurality of containing grooves formed in the tray and a second servo motor used for driving the tray to rotate, and a fixing assembly used for the chemical products is arranged outside the tray. The accuracy of thermal stability evaluation work is improved, chemical products can be automatically fixed and unfixed, and automatic operation can greatly simplify the operation process and reduce manual intervention, so that the working rhythm is accelerated, and the operation efficiency is improved.

The invention discloses a bionic water pump and a combined biofilm formation inhibition method thereof in the technical field of hydraulic engineering and municipal engineering, a plurality of bionic shark fins are arranged on the surface of a water guide cone of a pump device at intervals, each bionic shark fin comprises a bottom surface connected with the water guide cone, and a bionic shark fin water inlet edge and a bionic shark fin water outlet edge are arranged in the downstream direction; the surfaces of the blades and the guide blades are respectively provided with a placoid scale structure along the flow line direction of water flow, each placoid scale structure comprises a pair of auxiliary teeth which are symmetrically arranged, main teeth are arranged between the auxiliary teeth, and the main teeth and the auxiliary teeth are fixed on the surfaces of the blades and the guide blades through bases. A biological membrane on the inner surface of the pump is effectively removed through the scouring structure on the surface of the bionic water pump, adhesion is not prone to occurring, the anti-fouling capacity of the water pump in a fresh water body is improved, and safe and efficient operation of the water pump is guaranteed.

The invention discloses a high-power connector with low resistance and high heat dissipation for quick connection, and relates to the field of connectors, the high-power connector comprises a support frame, reeds and busbar clamping bodies, the two busbar clamping bodies are assembled on the support frame, the busbar clamping bodies are integrally formed stamping parts, and the surfaces of the busbar clamping bodies are not provided with holes, so that the high-current passing capacity is ensured; a clamping space is formed between the two busbar clamping bodies, a reed is assembled between one end, far away from the clamping space, of each busbar clamping body and the supporting frame, a rear contact is formed at one end of each busbar clamping body, a front contact is formed at the other end of each busbar clamping body, and under the action of the reeds, the busbar clamping bodies are in contact with the supporting frame. The rear contacts of the two busbar clamping bodies are enabled to clamp the second busbar, the busbar clamping bodies are enabled to be unfolded by taking the rear contacts as rotating points, and the front contacts of the two busbar clamping bodies are enabled to clamp the first busbar, so that the problem of position errors of the first busbar and the second busbar caused by manufacturing tolerance or external reasons is solved, normal transmission of current is realized, and an abnormal interruption phenomenon is avoided.

The invention relates to the field of disposable sanitary products, and provides a production process for an enhanced absorbent core, and diapers and pull-up pants, comprising the steps of conveying a first polymer carrier, feeding wood pulp, feeding SAP, feeding first water-absorbing particles, feeding second water-absorbing particles, and forming a core body. The formed core body has first water-absorbing particles and second water-absorbing particles inside and on the top, respectively. The first water-soluble films of the first water-absorbing particles and the second water-absorbing particles dissolve in water, and the water-absorbing inner layer is released to contact with water, so that water can be absorbed quickly, and the absorption speed and infiltration speed of urine can be greatly improved. The core body has a complex structure and does not need to be formed by multiple processes. It is only formed on a first polymer feeding device, which shortens the length of the equipment, greatly saves production costs, improves the accuracy of feeding at each material position, and solves the technical problem of slow urine absorption speed of the core.

This invention discloses a welding method, heat sink, and aircraft applicable to multi-layer precision structures, belonging to the field of aircraft welding technology. The welding method includes: depositing a solder film on a first substrate to obtain a substrate to be etched; optimizing the laser scanning path according to a preset precision structure and solder pattern; placing the substrate to be etched at the laser etching location and performing integrated scanning etching using a laser to complete the preparation of the solder pattern and precision structure, obtaining a first substrate to be welded; vertically aligning a first welding cover plate with the first substrate to be welded and performing interlayer welding of the precision structure; repeating the above process to complete the interlayer welding of the double-layer precision structure. This invention achieves precise preparation of solder for small-scale complex pattern welding points and integrated interlayer welding of multi-layer precision structures through laser etching, meeting the stringent requirements of the aerospace field for high airtightness, high sealing performance, and high-precision welding.

The utility model belongs to the technical field of drainage dredging, and particularly relates to an efficient energy-saving drainage anti-blocking structure device which comprises a shell, a triangular support is fixedly connected to the upper surface of the inner wall of the shell, an anti-blocking component is fixedly connected to the inner wall face of the triangular support, and the anti-blocking component comprises a through pipe. The end face of the through pipe communicates with an upper drainage pipe, the other end face of the through pipe is fixedly connected with a sealing cover, the inner wall face of the through pipe is fixedly connected with a supporting rod, the inner wall face of the supporting rod is provided with a connecting shaft in a matched mode, the outer wall face of the connecting shaft is fixedly connected with a flow dividing disc, and a through groove is formed in the center of the flow dividing disc; a bearing is adaptively connected in the through groove in a sleeved mode, a scraping plate is fixedly connected to the outer wall face of the bearing, the side face of the scraping plate makes contact with the side face of the flow dividing disc in an attached mode, through combination matching of the connecting shaft and the flow dividing disc, when the connecting shaft rotates, the flow dividing disc can rotate for flow dividing, meanwhile, the scraping plate is attached to the flow dividing disc, and the flow dividing effect of the flow dividing disc is improved.

Disclosed are a porous transport layer and a preparation method therefor. The preparation method includes the following steps: S1, machining side-by-side elongated recesses on one side surface of a metal sheet; S2, cutting the metal sheet provided with the elongated recesses into a desired shape; S3, stacking a plurality of cut metal sheets such that adjacent metal sheets are tightly attached and firmly connected to form a metal block having regular pore structures inside; and S4, cutting the metal block along a cross section of the metal block, where the cutting thickness matches the thickness of the desired porous transport layer, and a cut sheet structure with micropores being regularly distributed on the surface is used as the porous transport layer. The present invention can solve the problems that titanium fiber felts in the prior art have poor diversion performance, low contact efficiency and large contact surface resistance.

The invention provides an outer cylinder assembly and clothes processing equipment. The outer cylinder assembly comprises an outer cylinder and a condensation air duct, a drying air outlet is formed in the cylinder wall of the outer cylinder, and the condensation air duct is arranged on the rear side of the outer cylinder and comprises an air duct air inlet communicating with the drying air outlet; the condensation air channel integrally extends in the vertical direction, and an upper condensation area and a lower condensation area which are oppositely arranged in the vertical direction are arranged in the condensation air channel. The multiple first flow guide ribs are sequentially arranged at intervals in the extending direction of the condensation air channel. The width of the first flow guide rib located in the upper condensation area is larger than that of the first flow guide rib located in the lower condensation area; the wide ribs of the upper condensation area enhance the flow guiding and disturbing effects, condensate water is promoted to adhere and spread, the heat exchange time of drying airflow and condensate water is prolonged, and the dehumidification effect is improved. The narrow ribs of the lower condensation area avoid unnecessary flow resistance, ensure the stability of the flow of the drying airflow, guide the condensate water to be discharged smoothly and effectively prevent the condensate water from being brought into a subsequent air duct by the airflow.

The utility model discloses an extrusion die for a multi-cavity profile, the section shape of the produced profile is provided with a middle cavity and a lower cavity adjacent to the middle cavity, and at least one of the two sides of the middle cavity is also provided with a groove; the upper die is provided with through flow dividing holes, the flow dividing holes comprise a middle flow dividing hole and peripheral flow dividing holes, and the position of the middle flow dividing hole corresponds to the position between the middle cavity and the lower cavity; the peripheral shunting holes are formed in the outer side of the middle cavity in a surrounding manner; a protruding die core is arranged on the discharging side of the upper die and comprises a middle die core body corresponding to the middle cavity and a lower die core body corresponding to the lower cavity. According to the scheme, the flow in the middle is increased, the problem that dead angles exist in small-section profiles with complex shapes is solved, the profiles can be normally produced, the yield and the quality are high, the mold is clearly and uniformly divided and matched integrally, the flow speed is convenient to adjust, and meanwhile the stability of the mold is enhanced.

The utility model provides a glaucoma drainage implant system which comprises a micro-stent and an implanter, the micro-stent is made of nickel-titanium alloy and comprises a tubular body with a hollow cavity, the tubular body is in a straight tube shape, the outer surface of the tubular body is provided with a plurality of holes which are regularly or irregularly arranged, and the implanter is arranged in the tubular body. The open grooves are formed in the surface of the tubular body in the axial direction of the tubular body, aqueous humor can flow through the open grooves and the open holes, the orthographic projection of each open hole is in a dovetail groove shape, and a friction contact part is formed on each dovetail groove; the micro-stent has a good aqueous fluid diversion effect to reduce intraocular pressure, can support the schlemm tube, is good in implantation stability and anti-displacement, has enough strength, and is not easy to deform and collapse; the implanter is used for implanting the micro-stent into the schlemm tube and comprises an implanter body, a guide tube, a push wire and a driving mechanism, the micro-stent is contained in the guide tube, the push wire is arranged in the guide tube, the far end of the push wire abuts against the micro-stent, and the driving mechanism is connected with the push wire and used for pushing out the micro-stent.

The invention discloses aquatic product seedling screening equipment, and relates to the technical field of aquatic products, the aquatic product seedling screening equipment comprises a barrel body, a cover plate is fixedly connected to the top of the barrel body, a fixing piece is fixedly connected to the top of the cover plate, a motor is fixedly connected to the top of the fixing piece, and a moving separation mechanism is arranged in the barrel body. Water in the vertical barrel enters the barrel body outside the vertical barrel through the arc-shaped groove and is pumped by the water pump to enter the water circulation work of the vertical barrel again, fishes and the water can naturally pass through the arc-shaped groove along with water flow to swim out of the vertical barrel, and meanwhile, small fries can naturally push the elastic hairs outside the vertical barrel aside; the upper elastic hair and the lower elastic hair of the arc-shaped groove form a triangular shape, so that the small fries cannot push away the elastic hair again to return into the vertical cylinder after swimming out of the arc-shaped groove, the screening work of naturally dividing the fries inside and outside the vertical cylinder is formed, and the damage to the fries after screening is avoided.

The present invention relates to a lightweight mesh for toughening fiber composite materials and a preparation method thereof, belonging to the technical field of toughening mesh, and solving at least one of the problems in the prior art that mesh is easy to dissolve during resin infusion, has poor liquid molding effect, and has an unobvious toughening effect. A lightweight mesh for toughening fiber composite materials, the lightweight mesh is composed of A filaments and B filaments, which are respectively spun from solution A and solution B; wherein the composition of solution A is calculated by mass percentage as follows: 5-30% low melting point component and 70-95% solvent; the composition of solution B is calculated by mass percentage as follows: 8-35% high melting point component and 65-92% solvent. The above lightweight mesh is not easy to dissolve during resin infusion, which improves the processability of automatic placement and liquid molding in the preparation process of fiber composite materials; and improves the brittleness of dry fiber composite materials, significantly improving their mechanical properties.

This utility model discloses a stepped-type double-layer combined staggered fully sealed ring, including a piston ring 1. The piston ring 1 includes an upper ring and a lower ring with identical structures. Both the upper and lower rings are provided with elastic joints. The two ends of the elastic joint of the upper ring are a narrow tongue end and a wide tongue end, respectively. The narrow tongue end and the wide tongue end can be interlocked and sealed. The maximum opening of the narrow tongue end and the wide tongue end are connected at their very ends. The upper and lower rings are stacked vertically, and the positions of the elastic joints of the upper ring and the lower ring are staggered vertically. This utility model achieves the blocking of more than 90% of the combustion gas in the combustion chamber at the upper part of the piston ring 1, and the sealing degree of the piston ring 1 does not decrease with the wear of the outer circular surface of the ring. At the same time, the flow channel formed by the piston ring groove 1 realizes the flow restriction and guidance control of the combustion gas leaking into the ring land, and realizes the uniform distribution of oil and the circulation and renewal of oil.

This utility model relates to the field of aluminum electrolysis technology and provides an anode conductor for aluminum electrolysis, including a main guide rod and multiple claws connected by a current equalization assembly. The current equalization assembly includes a first conductor plate, a second conductor plate, and a connecting plate. The upper surfaces of the first and second conductor plates are connected, the lower surface of the second conductor plate is connected to the claws, and the upper and lower ends of the connecting plate are connected to the main guide rod and the first conductor plate, respectively. The connecting plate is a frustum-shaped thick plate. In this utility model, after the current comes down from the main guide rod, it can be evenly distributed to each claw through the current equalization assembly, so as to homogenize the horizontal current in the electrolytic cell, achieve the effect of current equalization, improve the practicality of the conductor for aluminum electrolysis, and at the same time, effectively maintain the dynamic balance of the electrolytic cell production system, reduce electrolysis costs, and thus improve electrolysis production efficiency.

The utility model discloses a circuit board via hole welding auxiliary structure, and belongs to the technical field of circuit boards. Comprising a circuit board provided with a via hole, bonding pads are arranged at the two ends of the via hole, and sinking grooves matched with the bonding pads in outer diameter are formed in the side, meeting wave soldering, of the circuit board; the bonding pad is arranged in the sinking groove and protrudes outwards; a plurality of strip-shaped grooves penetrating through the inside and the outside are formed in the bonding pad in a surrounding mode. According to the utility model, the strip-shaped groove is arranged around the bonding pad to communicate the inside and the outside, thereby enhancing the diversion of liquid tin, enabling more liquid tin to enter the via hole, and enhancing the welding quality; and meanwhile, the contact surface between the soldering tin and the bonding pad is increased, so that the temperature can be increased more quickly, the soldering tin and the bonding pad are connected more firmly, and the welding effect is further enhanced.

The utility model belongs to camera technical field, specifically is a kind of protective camera, including camera main body;The lower part of camera main body is fixedly provided with support, the upper part of camera main body is fixedly provided with protective top cover, and protective top cover includes the arc top shell fixedly set on the upper part of camera main body, the both sides of arc top shell are fixedly provided with arc hydrofoil plate respectively, top cover protection mechanism is provided on protective top cover, the front side of camera main body is fixedly provided with image probe, and probe protection mechanism is provided on image probe, and top cover protection mechanism includes the groove in the front side of protective top cover, expansion protective shell is slidably connected in groove, the rear of camera main body is fixedly provided with support, support is fixedly provided with electric push rod, and the output end of electric push rod is fixedly connected with the rear of expansion protective shell through protective top cover, when camera works in rainy day, the waterproof performance of image probe on camera can be improved.