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960results about How to "Prevent rust" patented technology

High-strength lightweight concrete containing hollow glass beads and preparation method thereof

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +2

Socket and spigot joint type multi-layer pipe with corrosion-resistant metal lining

The utility model discloses a corrosion-resistant metal lining socket type multilayer pipe, which belongs to the technical field of pipes and comprises an inner pipe, a middle layer and an outer pipe which are sequentially sleeved from inside to outside, steps and / or grooves are arranged on the inner wall of a socket end, and the inner pipe, the middle layer and the outer pipe are adhered to form the pipe or compressed to form the pipe. The outer pipe comprises a socket end, a pipe body and a spigot end which are connected in sequence, the outer pipe is made of metal, the inner pipe is made of a corrosion-resistant material, each end of the pipe is provided with a sealing layer and a lining ring made of a corrosion-resistant metal material, and the length of each lining ring extending into the pipe is not less than 20mm. The anti-corrosion pipeline is good in anti-corrosion effect, and the water conveying efficiency of the pipeline is improved. The corrosion-resistant metal lining ring prevents each layer of material from being stripped; and the strength and the deformation resistance of the pipe are improved.
Owner:HUNAN ZHENHUI PIPE IND

Anchoring device for geological disaster control

The utility model belongs to the technical field of geological disaster control, and discloses an anchoring device for geological disaster control. Comprising an anchoring pipe, a flowerpot, a rubber ring, a supporting rod and an inserting rod, vent holes are formed in the outer side of the flowerpot in an array mode, a mounting hole is formed in the bottom of the flowerpot, a filtering cover is mounted in the mounting hole, and the bottom of the filtering cover is attached to the anchoring pipe and the top of a mounting ring. The screw rod, the rotating ring, the transmission rod and the supporting rod are additionally arranged, the supporting rod is unfolded when the screw rod rotates, the anti-skid and anti-falling effects of the anchoring pipe are improved, the flowerpot and the anchoring pipe are fixed through the bolt, flowerpots of different sizes can be replaced according to plants of different thicknesses, the bolt is covered with the rubber ring, the bolt can be prevented from rusting, and the service life of the flowerpot is prolonged. The filter cover and the rotary drum are added, and when the water level of underground water rises, the underground water seeps through the filter screen of the rotary drum and the filter cover, so that the water content of slope soil is reduced, the shear strength of the soil body is improved, and the slope stability is further improved.
Owner:HUNAN TIANJILING CONSTR ENG CO LTD

Cable self-cleaning assembly for ship winch

The invention relates to the technical field of dirt cleaning, in particular to a cable self-cleaning assembly for a ship winch, which is mounted on a rack of the ship winch and comprises two mounting frames, a connecting rod is fixed between the two mounting frames and penetrates through a moving seat, a lead screw is screwed on the surface of the moving seat, and two ends of the lead screw are rotatably connected to the two mounting frames respectively. Two supporting plates are fixed to the top face of the movable base, a connecting plate is fixed between the top faces of the two supporting plates, two fixing plates are inserted into the surface of the connecting plate, and a wire guide roller is rotationally connected between the fixing plates and the movable base; the ship stranded wire correcting device has the beneficial effects that the position of the movable seat can be conveniently adjusted by rotating the screw rod, so that the distance between the wire guide rollers is adjusted, and ship stranded wires are corrected. And meanwhile, the cable can be automatically cleaned in the winding process through the design of the protective sleeve and the steel wire brush, the cable can be automatically oiled through the combination of the oil storage tank and the sponge core, manual intervention is not needed in the whole process, and the working efficiency is greatly improved.
Owner:JIANGSU HAITAI OCEAN EQUIP CO LTD +1

Magnetorheological polishing processing method of NiP modified reflector

The invention discloses a magnetorheological polishing processing method for a NiP modified reflector, which comprises the following steps of: preparing a NiP modified layer, and carrying out ultra-precision turning processing and magnetorheological polishing modification processing on the NiP modified layer until the NiP modified layer meets index requirements. According to the magnetorheological polishing machining method for the NiP modified reflecting mirror, the NiP modified reflecting mirror blank workpiece is machined through ultra-precision turning and magnetorheological polishing, so that surface defects generated in the machining process of the NiP modified reflecting mirror blank workpiece can be effectively eliminated, and the machining efficiency can be improved; meanwhile, the surface shape precision and the surface quality of machining can be improved, the NiP modified reflector blank workpiece can be machined into the high-quality NiP modified reflector, and the method has the advantages of being few in machining defect, high in machining quality, high in machining efficiency, good in repeatability and the like; the method is of great significance in promoting wide application of the NiP modified reflector in the optical fields of visible light wave bands, shorter wavelength wave bands and the like.
Owner:NAT UNIV OF DEFENSE TECH

Horizontal packaging machine

The utility model discloses a horizontal packaging machine, and relates to the technical field of packaging machinery. The utility model discloses a quick release type feeding tailstock, material conveyer, film walking device, roll film forming device, longitudinal sealing device, horizontal sealing device and electrical appliance box, adopts quick release type feeding tailstock, has quick release function, is convenient to clean feeding tailstock, ensures the hygiene of material on quick release type feeding tailstock, improves the production efficiency, reduces the production cost, and improves the production efficiency. The film feeding device is arranged below the material conveying device, namely, a lower film feeding mode is adopted, so that materials are directly conveyed to a rolled film after being output from the quick-disassembly type feeding tailstock, the materials are prevented from making contact with other devices outside the quick-disassembly type feeding tailstock, sanitation of the materials to be packaged is guaranteed, meanwhile, a protective cover is arranged, and the protective cover can be used for protecting the materials to be packaged. External pollution is avoided during longitudinal sealing and transverse sealing, the quick-frozen materials are protected to a certain extent, corrosion of the packaging machine caused by water vapor of the quick-frozen food is avoided, and the packaging machine can be waterproof and moistureproof.
Owner:FOSHAN SONGCHUAN ZHUGUAN INTELLIGENT EQUIP CO LTD +1

Side edge ridger

The invention relates to the technical field of ridgers, in particular to a side edge ridger. The side edge ridger comprises a cutter disc, a first telescopic groove is formed in the periphery of the outer side of the cutter disc, a first spring is arranged in the first telescopic groove, the top of the first spring is connected with a mounting block, a clamping groove is formed in the top of the mounting block, and a cutter is clamped in the clamping groove; a rotating ring is clamped in the clamping ring, a plurality of sets of limiting plates are arranged at the bottom of the rotating ring, and the limiting plates are inserted into sliding grooves formed in the sides of the first telescopic grooves; the side edge ridging machine has the beneficial effects that after the side edge ridging machine completes ridging on the edge of a field, first fixing bolts are taken out from first fixing screw holes formed in the surfaces of a rotating ring and a cutter disc, fixing of the rotating ring is canceled, then a pull rod is shifted, the pull rod drives the rotating ring to rotate, and then the side edge ridging machine completes ridging on the edge of the field. And the rotating ring drives the limiting plate connected with the bottom to be pulled out of the limiting groove formed in the side of the bottom of the clamping groove and stored in the sliding groove, and fixing of the mounting block is omitted.
Owner:JIANGSU DONGJIU MASCH CO LTD

Wall-mounted charging pile capable of storing wire harness for new energy automobile

The invention discloses a wall-mounted charging pile capable of storing a wire harness for a new energy automobile, and relates to the technical field of charging piles, the wall-mounted charging pile comprises a fixed bottom plate and a charging pile, the fixed bottom plate is fixedly connected to a wall through bolts, the fixed bottom plate is fixedly connected with the charging pile, and an adjusting assembly is arranged on the fixed bottom plate; the adjusting assembly comprises a first hinge piece which is fixedly connected with the outer surface of the fixing bottom plate and located below the charging pile, a second hinge piece is rotationally connected to the first hinge piece, a winding box is fixedly connected to the face, away from the first hinge piece, of the second hinge piece, and a first fixing shaft is fixedly connected to the middle of the winding box. The axial direction of the wire outlet pipe is parallel to the moving direction of the cable, so that excessive friction between the cable and the wire outlet pipe is avoided, friction borne by the cable is reduced, the service life of the cable can be prolonged, meanwhile, the cable can be prevented from being damaged after being excessively abraded, and the risk of electric leakage of the abraded cable is reduced.
Owner:CHANGCHUN VOCATIONAL INST OF TECH

Five-axis machining center with tool magazine structure

The utility model discloses a five-axis machining center with a tool magazine structure, which comprises a round cover and a five-axis machining center, the five-axis machining center is provided with a cutterhead, and the cutterhead is provided with a fixing groove; the number of the fixing grooves is not less than fifteen, the fixing grooves are annularly distributed on the cutter head at equal intervals, and a cutter is mounted in each fixing groove; an annular plate is installed on the cutter head, an annular groove is formed in the round cover, and the annular plate is arranged in the annular groove. An annular plate on the cutter head is sleeved with an annular groove in the round cover, at the moment, a rust remover in the round pipe is sprayed into the atomization spray head, the rust remover can be atomized through the atomization spray head, the atomized rust remover can remove rust on cutters in the cutter head, and the situation that water is attached to the surfaces of the cutters, and consequently the cutters rust is avoided; and after the cutter is treated, the hot air blower blows out hot air to dry the cutter, and rust removing agent stains are prevented from being left on the surface of the cutter.
Owner:NANJING NINGYUE INTELLIGENT EQUIPMENT CO LTD

Scraper sheet metal part scraping device with positioning mechanism

The invention relates to the technical field of sheet metal part machining, in particular to a scraper sheet metal part scraping device with a positioning mechanism, which comprises a base, a placing groove is formed in the upper end of the base, and two groups of symmetrical fixing blocks are fixedly connected to two sides of the placing groove in the upper end of the base; third sliding rods are jointly and fixedly connected between the two sets of fixing blocks, an adjusting mechanism is jointly installed on the outer sides of the two sets of third sliding rods, the adjusting mechanism comprises an installation block, two sets of symmetrical grinding mechanisms are installed at the positions, close to the lower end, of the front end of the installation block, and the adjusting mechanism further comprises a sliding block; the punching mechanism is installed at the lower end of the sliding block, the adjusting mechanism can enable the sliding block to move left and right while moving up and down, so that the comprehensive angle of the boring blade is adjusted, the grinding mechanism grinds the edge of the scraper cutting board, burrs left on the edge of the scraper cutting board are cleaned, and holes can be cleaned when the punching mechanism punches holes.
Owner:LAIZHOU TUOXING MECHANICAL & ELECTRICAL EQUIPMENT CO LTD

Flue gas waste heat recycling system of all-hydrogen bell type annealing furnace

The invention discloses a full-hydrogen bell-type annealing furnace flue gas waste heat recycling system, which belongs to the field of flue gas waste heat recovery and comprises a workbench. According to the scheme, the filter screen is arranged, impurities in smoke can be blocked and filtered by the filter screen in the process that the smoke passes through the communicating pipe, meanwhile, the smoke impacts an impeller in the process that the smoke passes through the communicating pipe and drives the impeller to rotate, a rotating rod is driven to rotate in the rotating process of the impeller, and then an impacting rod is driven to rotate in the rotating process of the rotating rod; bristles are driven to rotate in the rotating process of an impact rod, then the bristles gradually make contact with impurities on the surface of a filter screen in the rotating process and drive the impurities, and due to the fact that the impurities rotate around a rotating rod, the impurities gradually move towards a first collecting tank under the common action of centrifugal force and gravity; and the flue gas falls into the collecting box through the first collecting tank and the second collecting tank, so that the filter screen is effectively prevented from being blocked to influence the normal passing of the flue gas through the filter screen, and the effect of ensuring the normal passing of the flue gas through the filter screen is achieved.
Owner:DONGYANG HENGYE STEEL STRIP CO LTD

Wind turbine generator tower drum rust removal robot and operation control method thereof

The invention provides a wind turbine generator tower drum rust removal robot and an operation control method thereof. The wind turbine generator tower drum rust removal robot comprises a robot box used for carrying the whole robot, and a moving module for driving the whole robot to move is arranged on the robot box; a cleaning module used for polishing rust is arranged on the bottom end face of the robot box. A sensor module for detecting the environment is arranged on the robot box body; a spraying module for spraying is mounted on the robot box body; the power supply is used for supplying power to the moving module, the cleaning module and the sensor module. A whole set of rust removal process is completed through mutual cooperation of various machines, the working efficiency is greatly improved through an automatic rust removal mode, manual operation in a high-altitude, dangerous or toxic environment can be replaced, and the safety is improved.
Owner:CHINA THREE GORGES UNIV

Robot rotating arm structure

The utility model discloses a robot rotating arm structure which comprises supports, a shaft rod is arranged between the two supports, the outer ring of the shaft rod is sleeved with a rotating arm, sealing grooves are formed in the two sides of the rotating arm, arc-shaped sliding rails are arranged in inner cavities of the sealing grooves, a ball groove is formed in one side of each support, and a plurality of balls are arranged in an inner cavity of the ball groove. Through cooperative use of the balls, the ball groove and the arc-shaped sliding rail, the multiple balls are annularly distributed in the inner cavity of the ball groove, part of the balls are located on the outer side of the ball groove and attached to the inner wall of the arc-shaped sliding rail, and when the rotating arm rotates on the outer ring of the shaft rod, the balls rotate in the inner cavity of the arc-shaped sliding rail; therefore, friction generated between the rotating arm and the support is reduced, gaps generated between the side wall of the rotating arm and the support due to abrasion are avoided, stable operation of the rotating arm is guaranteed, shaking is avoided, and the use reliability of the device is improved.
Owner:ANHUI DIHAO MASCH MFG CO LTD

V-shaped double-cylinder high-precision diesel engine body

The utility model relates to a V-shaped double-cylinder high-precision diesel engine body which comprises a diesel engine body, a fixing mechanism used for installing and fixing the diesel engine body is arranged at the bottom of the diesel engine body, and an auxiliary assembly facilitating operation of the fixing mechanism is arranged outside the fixing mechanism. According to the diesel engine body fixing device, rapid fixing of the device is achieved, a two-way lead screw is rotated in the fixing mechanism, so that a first clamping frame and a second clamping frame move in the opposite directions, a diesel engine body provided with a base is fixed, and the problem that equipment is damaged due to the fact that the diesel engine body is inconvenient to install and fix in the prior art is solved; the effect of preventing the bolt from rusting when the diesel engine body is disassembled is achieved.
Owner:JIANGYIN XINGGANG DIE-CASTING CO LTD

Adjustable accurate pressing mechanism of ultracrystalline iron core forming die

The utility model discloses an adjustable accurate pressing mechanism of an ultracrystalline iron core forming die, and relates to the technical field of ultracrystalline iron core forming dies. The device comprises a protection plate, wherein the top of the protection plate is fixedly connected with an operation table; a fixing device is arranged at the top of the protection plate, the fixing device comprises an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with the top of the protection plate, a fixing block is fixedly connected to the top of the electric telescopic rod, and a rotating rod is rotationally connected to the side face of the fixing block. Force for driving the fixing block to move upwards through the electric telescopic rod is matched with the rotating rod, the supporting frame, the connecting rod and other assemblies in the fixing device, the effect that the supporting plate rotates downwards to enable the fixing rod to rotate downwards is achieved, the effect of fixing a mold is achieved, accurate position adjustment of the mold can be achieved, and the production efficiency is improved. And the accuracy and consistency in the pressing process are ensured, and the forming quality is ensured.
Owner:ANHUI ZHIYUAN MICROCRYSTALLINE METAL MATERIALS CO LTD

A magnetic closed and drained water film sealed and odor-proof floor drain core

The present invention provides a magnetically closed and drainable water film-sealed and odor-proof floor drain core, which belongs to the technical field of drainage pipe systems. It solves the problems of the existing floor drain core structure design and distribution being complex, the poor sealing effect and the poor odor-proof performance, as well as the poor drainage volume and drainage effect. The magnetically closed and drainable water film-sealed and odor-proof floor drain core comprises a floor drain core body, the top of the floor drain core body being a water inlet, the bottom of the floor drain core body being a water outlet, a magnetically closed cover plate being movably connected at the water outlet of the floor drain core body, a soft sealing pad movably sealed with the water outlet being arranged on the magnetically closed cover plate, a limited portion being reversely connected to the movable connection end of the magnetically closed cover plate, a first permanent magnet being fixedly installed in the said limited portion, a magnetically active unit being arranged between the floor drain core body and the magnetically closed cover plate, and a connecting seat being arranged on the floor drain core body. The present invention has the advantages of ingenious structural design, good sealing effect, and good drainage volume and drainage effect.
Owner:ZHEJIANG YIMISHA INTELLIGENT CONTROL TECH CO LTD

Type-c to USB adapter

The utility model relates to the technical field of electronic equipment, in particular to a type-c to USB adapter which comprises a conversion circuit board, a type-c female end interface electrically connected with the conversion circuit board, a USB male end plug electrically connected with the conversion circuit board and a cover body used for covering the USB male end plug. The cover body comprises a protective sleeve arranged on the peripheral side face, a magnetic attraction block and a shell wrapping the protective sleeve and the magnetic attraction block, the magnetic attraction block covers the first opening and forms a containing cavity with the protective sleeve, the USB male end plug is provided with an iron sheet, the USB male end plug is inserted into the containing cavity, and the iron sheet and the magnetic attraction block attract each other and are fixed. According to the adapter for converting the type-c into the USB, the cover body with the magnetic attraction block is adopted, the cover body is provided with the containing cavity, the USB male end plug can be installed in the containing cavity, meanwhile, the cover body is provided with the magnetic attraction block, the cover body can be firmly connected with the USB male end plug, and falling off and losing are avoided.
Owner:DONGGUAN TETU PRECISION ELECTRONICS CO LTD

Alternating current acquisition device and method for transformer area intelligent fusion terminal

The invention relates to the technical field of power distribution equipment, and discloses an alternating current acquisition device and method for a transformer area intelligent fusion terminal, the device comprises a device body, the lower part of the device body is provided with a support, and the top of the support is symmetrically provided with chutes. According to the device, after the transformer is on fire, the device body is far away from the transformer, the device body is prevented from being burnt out by the on-fire transformer, the telescopic cover can be pulled open in the far-away process, the device body can be protected, if accumulated water exists at the falling position of the device body, the accumulated water can be isolated from the device body, and the device body is protected. The protective shell, the sealing strip and the wedge-shaped plate are matched to wrap the lead screw, so that the lead screw is prevented from being in contact with external humid air to be rusted, normal use of the lead screw is guaranteed, it is further guaranteed that the telescopic cover can be smoothly pulled open, the protective shell can be separated while the telescopic cover is pulled open, and the service life of the device is prolonged. And the transverse plate can smoothly move along the screw rod.
Owner:XIAOGAN KEXIAN ELECTRIC POWER ENG CONSULTING DESIGN CO LTD

Adjustable hoop structure

The utility model relates to the technical field of hoops, in particular to an adjustable hoop structure, which comprises a first hoop and two second hoops arranged at the side end of the first hoop, the middle part of the first hoop is provided with a convex wiring trough, one ends of the two second hoops are respectively hinged to the two sides of the first hoop through connecting parts; during use, after the inner wall of the first hoop abuts against the outer side of a material, the second hoops on the two sides are turned over, the first hoop and the second hoops on the two sides are connected in a turning connection mode, bolt rust caused by long-time outdoor environment influence can be avoided, then a fastener penetrates through the ends of the two second hoops in sequence and is fastened, and the material can be prevented from being damaged. And the fastening distance between the end parts of the two second hoops is adjusted according to the outer diameter of the material so as to adapt to the clasping of main materials with different wire diameters, and for the matched wires, the matched wires with larger wire diameters can pass through the wire slots, and the matched wires with smaller wire diameters can pass through the threading gaps, so that the matched wires are prevented from loosening and being crushed due to over-tightness.
Owner:SHANGYUAN ELECTRICPOWER SCI & TECH CO LTD

Pan head cross-shaped self drilling screw

The utility model discloses a pan head cross-shaped self drilling screw, which relates to the technical field of fasteners and particularly comprises a pan head, a rotating groove is arranged on the upper surface of the pan head, the lower surface of the pan head is fixedly connected with a screw rod, threads are arranged on the outer wall of the screw rod, and the lower end of the screw rod is fixedly connected with a drill bit and is connected with the screw rod through a sleeve. When the fastener is installed, the screw rod is supported through the support and the supporting rod, fastening is conducted through the screw rod and the thread, and the sleeve is extruded and separated through pressure, so that the screw installation efficiency of a user is improved, the safety efficiency is improved, and potential safety hazards caused by the fact that the user holds the screw by hand for installation are avoided; the lower surface of the pan head is attached to the attaching ring, the outer surface of the screw can be prevented from rusting, the sealing performance during installation can be improved through the fixing ring and the pressing hole, external water or corrosive materials are prevented from entering the connecting inner wall of the screw, the corrosion resistance of the screw can be improved through the corrosion-resistant ring, and therefore the service life of the screw is prolonged.
Owner:WENZHOU JIANZI STANDARD PIECES CO LTD

Steel structure connecting piece

The utility model provides a steel structure connecting piece which comprises a first steel member and a second steel member. A second steel member is arranged at the upper end of the first steel member, first connecting holes are formed in the left side and the right side of the first steel member, second connecting holes are formed in the left side and the right side of the second steel member, and a connecting steel pipe is slidably connected between the first steel member and the second steel member. According to the steel structure connecting piece, the connecting steel pipe is placed at the upper end of the first steel component, the second steel component is placed at the upper end of the connecting steel pipe, and after the first connecting hole and the second connecting hole are aligned with the third connecting hole respectively, the first inserting rod is inserted into the first connecting hole; and then the rotating piece anticlockwise rotates for a squareness degree along the limiting rod, then the rotating piece slides downwards, at the moment, the first inserting rod can be prevented from falling off through cooperation of the rotating piece and the limiting rod, the second inserting rod is installed in the second connecting hole in the same mode, and at the moment, the first steel component and the second steel component can be connected together.
Owner:QINGDAO HONGCHANGRUN STEEL STRUCTURE CO LTD

Fastening bolt

The invention discloses a fastening bolt and relates to the technical field of fasteners, the fastening bolt comprises an outer bolt head, a mounting groove is formed in the outer bolt head, one end and the top of the mounting groove both penetrate through the outer bolt head, a quick release bolt head is movably mounted in the outer bolt head, and a limiting mechanism is fixedly mounted at the bottom of the outer bolt head. By the adoption of the structure, when the device is used, a connecting steel wire can be drawn to enable a limiting ring to move upwards and a limiting telescopic spring to be compressed when the decorative flip cover is pried open through a screwdriver, and the screwdriver is inserted into a disassembly and assembly hole to drive an outer screw head to enable an adjustable screw rod to be screwed into a threaded hole; through occlusion of the limiting block and the limiting groove, attachment of the limiting ring and the anti-skid backing ring and elasticity of the telescopic spring, slipping of the external threads is avoided, after installation, the telescopic spring pulls back the connecting steel wire to enable the decorative flip cover to be closed, the magnetic ring adsorbs the flip cover, the decoration and protection effects are achieved, and the sliding base is prevented from being rusted.
Owner:李恬妮

Sampler for soil environmental pollution prevention and control

The invention relates to the technical field of soil sampling, in particular to a sampler for soil environmental pollution control, which comprises a movable base, an annular plate, a mounting plate, a stepping motor, a rotating shaft, a disc and the like, the annular plate is connected to the top of the movable base, the mounting plate is connected to the top of the annular plate, and the stepping motor is mounted at the top of the mounting plate; a rotating shaft is connected to an output shaft of the stepping motor, a disc is rotationally connected into the annular plate, and the rotating shaft is connected with the disc. A telescopic rod of a hydraulic cylinder can drive a sampling pipe to move downwards, the sampling pipe is inserted into soil to sample the soil, the telescopic rod of an air cylinder extends to push a spray head into the sampling pipe, and the spray head can spray water and a disinfectant into the sampling pipe; the influence of residual soil and pollutants on the accuracy of a detection result is avoided, the interior of the sampling tube is automatically cleaned and disinfected, manual intervention is reduced, and the soil sampling efficiency is improved.
Owner:SHANDONG XIANGJUN HEALTH TECHNOLOGY CO LTD

Anti-impact forging method for truck swing arm

The invention relates to the technical field of vehicle part manufacturing, and discloses a truck swing arm anti-impact forging method which comprises the following steps: S1, selecting low-alloy steel as a basic metal material, mixing the low-alloy steel with carbon nanotubes and silicon oxide nanoparticles, and carrying out heat treatment; wherein the carbon nanotubes and the silicon oxide nanoparticles are mixed into the metal powder according to a specific weight ratio; s2, under the protection of inert gas, the mixed metal powder is heated to 1200 DEG C, and thermal mechanical alloying is carried out at the temperature by applying mechanical pressure, so that a prefabricated blank with a uniform microstructure is formed; the impact resistance of the swing arm is remarkably improved by using the carbon nanotubes and the silicon oxide nanoparticles to reinforce the matrix metal and combining with multi-step forging and serialized heat treatment. According to the application of the composite material and the comprehensive processing technology, the microstructure of the material is optimized, so that the swing arm can bear larger impact force under extreme working conditions and cannot be broken, and the safety and reliability of a vehicle under complex road conditions are guaranteed.
Owner:CHONGQING KAISERI ELECTROMECHANICAL EQUIP CO LTD

Cooling device for iron casting production

The invention relates to the technical field of cooling devices, and discloses a cooling device for iron casting production, which comprises a base, the top of the base is fixedly connected with a support frame, the inner wall of the support frame is provided with a fan assembly, the rear part of the base is fixedly communicated with a water inlet pipe, and the front part of the base is fixedly communicated with a water outlet pipe. After air cooling, the lifting frame is driven by the air cylinder to move so that an iron casting can be subjected to water cooling, manual contact is avoided, the service life of the equipment is prolonged, meanwhile, the cooling speed of the iron casting is further increased, the quality of produced cast iron is better, and before water cooling, the cooling efficiency is improved. The lifting frame moves to drive the pressing plate to move to clamp the iron casting, the position of the iron casting in water flow is prevented from being changed, cooling of the iron casting is more stable, the overall working efficiency of equipment is improved, and the overall quality of products is further improved.
Owner:XUZHOU SHENGTUO PRECISION EQUIP MFG CO LTD

CFRP-SMA intelligent reinforced concrete structure integrating cathodic protection, force sensing and bearing capacity self-adjustment

The present invention belongs to the technical field of concrete, and specifically relates to a CFRP-SMA smart reinforced concrete structure that integrates cathodic protection, stress perception, and self-regulation of bearing capacity. In the CFRP-SMA smart reinforced concrete structure provided by the present invention, the SMA embedded optical fiber and the CFRP composite reinforcement wrapped with the external CFRP are concrete reinforcement bars, and are also auxiliary anodes of ICCP to prevent steel bar corrosion; at the same time, the SMA has the ability to adjust stress after excitation, and the embedded optical fiber can sense the stress state of the composite reinforcement. This structural system greatly improves the durability of concrete structures in coastal environments, solves the problem of real-time intelligent perception and bearing capacity regulation of structural service, and provides a new solution to the performance degradation problem caused by the deterioration of CFRP anodes during the use of traditional ICCP.
Owner:SHENZHEN UNIV

Small server applied to three-dimensional live-action calculation

The invention relates to the technical field of computer servers, and discloses a small server applied to three-dimensional live-action calculation, the small server comprises a box body, the top of the box body is fixedly connected with a ventilation pipe, the side wall of the box body is fixedly connected with a three-dimensional calculator, when it is about to rainfall, a power supply of an electric telescopic rod is switched on, and the three-dimensional calculator is switched on; the electric telescopic rod generates force extending downwards, the folding position of the folding plate moves downwards to drive the blocking plate at the bottom to move downwards, the blocking plate and the blocking ring are separated, an air inlet gap is formed between the blocking plate and the blocking ring, and external flowing air enters the ventilation pipe; the blocking plate drives the sliding square plate to slide downwards along the through hole in the bottom of the box body through the pushing rod, an air outlet gap is formed, air entering the box body is discharged outwards from the air outlet gap, the air in the box body forms a circulation state due to the external environment, the box body is prevented from being affected by external cold and internal heat, tiny water drops are prevented from appearing in an equipment shell, and the service life of the equipment is prolonged. Therefore, the terminal is rusted.
Owner:SUZHOU NANFENG INFORMATION TECHNOLOGY CO LTD

Antirust lubricant as well as preparation method and application thereof

The invention discloses an anti-rust lubricant as well as a preparation method and application thereof. The lubricant comprises the following components in parts by mass: 10-60 parts of base oil; 0.001 to 1 part of graphene; 0.1-3 parts of a dispersant; 0.1-3 parts of a pour point depressant; 0.1 to 1 part of a viscosity index improver; 0.1-3 parts of a corrosion inhibitor; 0.1-1 part of an antirust additive; 0.1 to 1 part of an antioxidant additive; and 27 to 89.4 parts of water. The lubricant has excellent anti-rust, anti-oxidation, lubricity and antibacterial properties. When being applied to medical instruments, the lubricating oil can effectively lubricate the surfaces and joint parts of the metal medical instruments, reduce the roughness of the joints of the instruments, improve the friction pair bearing capacity of the instruments, prevent the medical instruments from rusting too fast and prolong the service life of the medical instruments. The preparation method is simple, low in cost and suitable for industrial production.
Owner:CHANGSHA ZHANYING MEDICAL EQUIP CO LTD

Permanent magnet motor with high dynamic response

The invention relates to the technical field of permanent magnet motors, and discloses a high dynamic response permanent magnet motor, which comprises a motor body, the right side of the motor body is provided with a protective cover, the inner wall of the motor body is rotatably connected with a transmission shaft, the circumferential surface of the transmission shaft is fixedly connected with a turntable, and the right side of the turntable is fixedly connected with a conical block. Blades are fixedly connected to the circumferential surface of the conical block; a drying mechanism is arranged on the inner wall of the protective cover, and a replacing mechanism is arranged on the inner wall of the blade. Air entering from the outside can firstly enter the filter disc and is dehumidified and dried by a drying agent in the filter disc; and meanwhile, the filter disc drives the transmission plate on the inner wall to rotate and turns over the drying agent in the filter disc, and therefore the contact area of the drying agent and the air can be increased.
Owner:BAOTOU CHANGAN PERMANENT MAGENT MASCH CO LTD