Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

29results about How to "Reduced effect" patented technology

Submarine cable protection device and installation method thereof

The invention discloses a submarine cable protection device and an installation method thereof. The submarine cable protection device comprises a plurality of pile casing assemblies which are connected in a nested mode. Each pile casing assembly comprises a sleeve, nested connection structures connected to the two ends of the sleeve and an annular flow guide structure arranged on the outer surface of the sleeve, and all the sleeves and the nested connection structures are of hollow structures and used for submarine cables to penetrate through in the axial direction. Each nested connection structure comprises a mother end and a son end, and the mother ends and the son ends connected with the same sleeve are respectively used for being in nested connection with the corresponding son ends and mother ends connected with different sleeves; each mother end is composed of two symmetrical semispherical mother end units, and each son end is composed of two symmetrical semispherical son end units; each annular flow guide structure comprises an annular base and a plurality of flow guide plates with spaced protrusions, the outer surfaces of the corresponding sleeves are sleeved with the annular bases, the flow guide plates are fixed to the corresponding areas of the annular bases, and the annular bases are of an openable structure. The invention aims to realize anti-bending protection of the submarine cable.
Owner:SUN YAT SEN UNIV

Preparation method of brewing type cardiocrinum giganteum starch

PendingCN119632222Agreat tasteReduced effectFood shapingWalnut NutEngineering
The invention belongs to the field of food preparation, and particularly relates to preparation of cardiocrinum giganteum starch. Walnut oil and walnut cakes are prepared by squeezing walnut kernels, and the walnut cakes are crushed to prepare walnut cake powder; adding water into the cardiocrinum giganteum scales, pulping, settling pulp, collecting lower-layer starch liquid, and drying to obtain cardiocrinum giganteum starch; mixing the walnut cake powder with the cardiocrinum giganteum starch, and puffing to prepare a puffed material; heating and mixing walnut oil and polysaccharide to obtain jelly, wrapping the puffed material with the jelly, and drying to obtain the required product. The walnut oil and the walnut cakes are prepared by squeezing the walnut kernels, the walnut oil can block water molecules, the konjac glucomannan and the chitosan have the water absorption characteristic, and the puffed bulbus fritillariae cirrhosae starch wrapped by the mixture can maintain the crisp taste of the puffed bulbus fritillariae cirrhosae starch in the subsequent brewing process.
Owner:GUANGXI FORESTRY RES INST

Control method of lifting hook and lifting device

The invention discloses a lifting hook control method and a lifting device. Before a lifting hook is lowered, whether the pulling force of the lifting hook on a pull rope is larger than the self weight of the pull rope or not is judged; when the pulling force of the lifting hook to the pull rope is not greater than the self weight of the pull rope, the lifting hook cannot be lowered by virtue of the self weight, and at the moment, the friction wheel winch is controlled to drive the friction wheel group to release the pull rope and the winch is controlled to release the pull rope, so that the load of the pull rope between the winch and the friction wheel winch can act on the friction wheel winch; the load transmitted to the rope outlet end of the friction wheel set after the pull rope passes through the friction wheel set is attenuated, so that the dead weight of the pull rope between the friction wheel set and the lifting hook is smaller than the pulling force of the lifting hook on the pull rope, the lifting hook can pull the pull rope through the dead weight, the winch releases the pull rope according to the preset speed, and then the lifting hook is lowered.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD

All-insulation line drop-out fuse

The invention relates to the technical field of fuses, in particular to an all-insulated circuit drop-out fuse, which comprises a bearing assembly, a fuse assembly and a fuse assembly, and is characterized in that the bearing assembly comprises a bearing shell and a bearing groove formed in the inner side of the bearing shell; the supporting assembly comprises a first supporting ring arranged at one end of the bearing shell, a second supporting ring arranged at one end of the bearing shell and an insulating shell arranged in the bearing groove, and the bearing assembly further comprises a wire inlet end arranged above the bearing shell and a wire outlet end arranged below the bearing shell; according to the invention, the whole fuse is tightly wrapped by the bearing shell, so that the influence of wind power factors can be remarkably reduced, the effect of blowing components in the fuse by wind power can be reduced, and the upper moving contact in the fuse can be in stable contact with the static contact piece. The advantage ensures the normal work of the fuse tube, and further improves the working stability of the fuse tube.
Owner:GUIGANG POWER SUPPLY BUREAU OF GUANGXI POWER GRID CO LTD

High-temperature-resistant single-runner diaphragm chamber

PendingCN121993382AEnables direct pumpingReduced effectPositive displacement pump componentsFlexible member pumpsDiaphragm pumpSlurry
The invention relates to the technical field of diaphragm pumps, in particular to a high-temperature-resistant single-runner diaphragm chamber which comprises a cooling pipe section, a diaphragm cavity and a diaphragm chamber gland installed on the diaphragm cavity, a diaphragm chamber is formed between the diaphragm chamber gland and the diaphragm cavity, and the two ends of the cooling pipe section are a high-temperature slurry end and a low-temperature slurry end respectively. The diaphragm cavity is provided with a feeding hole through which cooled slurry can enter or flow out of the diaphragm chamber from the bottom of the diaphragm chamber, the low-temperature slurry end is communicated to the feeding hole in the diaphragm chamber, and the high-temperature slurry end is used for receiving uncooled slurry; according to the diaphragm pump, on the premise that the form of the high-temperature slurry is not changed, direct pumping of the high-temperature and strong-corrosion slurry can be achieved, meanwhile, the effect of the high-temperature and strong-corrosion slurry on the diaphragm is effectively reduced, it is avoided that the diaphragm rapidly loses efficacy due to overtemperature and corrosion, and it is guaranteed that the diaphragm pump stably operates for a long time under the high-temperature and strong-corrosion working condition.
Owner:重庆水泵厂有限责任公司

A movable spot beam antenna suitable for landing and patrol exploration on the surface of Mars

ActiveCN114079139BLittle effect of occlusiondecrease increaseCollapsable antennas meansAntenna supports/mountings
The present invention discloses a high-gain movable spot beam antenna suitable for Mars landing patrol exploration. In the present invention, the feed source is suspended in the center of the reflection surface by three-point support of waveguide D, waveguide E and other two supporting members, which effectively reduces the influence of the supporting structure on the antenna performance. At the same time, by changing the waveguide caliber of waveguide D, waveguide E and the feed source, the feed source is miniaturized and the shielding influence of the feed source is reduced. At the same time, the present invention adopts a non-compact antenna component compression configuration, and the compression mounting surface with height difference and the mounting surface provided by the unfolding support structure meet the working requirements of the antenna after unfolding, and at the same time, the maximum additional envelope after the antenna is installed can be as small as the maximum height dimension of the unfolding drive shaft assembly part, thereby greatly reducing the additional envelope and meeting the application envelope requirements of the Mars rover.
Owner:BEIJING INST OF SPACECRAFT SYST ENG

A method for constructing a scoring function for semantic retrieval and related devices

ActiveCN116226323BImprove robustnessReduced effect
Embodiments of the present application provide a scoring function construction method for semantic retrieval and related devices. The method comprises: obtaining a text library text and a query text; performing word segmentation on the text library text and the query text to obtain a first term set and a second term set, and obtaining a weight value of each term in the first term set; inputting the first term set and the second term set into a pre-trained BERT model to obtain a first term vector set and a second term vector set; determining a retrieval score according to a third term set, the weight value, the first term vector set and the second term vector set; and determining a scoring function according to a first compressed vector, a second compressed vector and the retrieval score. In this way, a model modeling and training process for semantic retrieval is formulated, so that the retrieval effect of a multi-document semantic retrieval task can be significantly improved, mainly in terms of retrieval efficiency and retrieval accuracy.
Owner:UNIV OF SCI & TECH OF CHINA

Motor home water tank structure with isolation heat preservation layer

The utility model discloses a motor home water tank structure with an isolation heat preservation layer, which comprises an outer shell, the outer shell is of a multi-layer structure, and the multi-layer structure comprises a heat preservation layer; at least one wave-proof plate is longitudinally arranged in a cavity of the outer shell, a hollow channel is formed in the center of the wave-proof plate, and the wave-proof plate is provided with an elastic assembly and connected with the inner wall of the outer shell structure through the elastic assembly. Piston plates and baffles are arranged at the positions, close to the two ends, of the outer shell, buffer cavities are formed between the piston plates and the baffles, air channels are formed in the baffles, and the air channels communicate with the buffer cavities and the air holes; air holes, a water inlet and a water outlet are formed in the two ends of the outer shell; the heat preservation and anti-freezing effects are good, the water hammer effect in the clean water tank can be well avoided, the impact effect on the water tank is reduced, the good wave resistance effect is achieved, and noise of the water tank is reduced.
Owner:河南星辰汽车装备有限公司

Method of reducing transverse strip variation in silicon steel products

ActiveCN119870149BMeet the requirements of horizontal same-plate differencesIncrease original roller crownProfile control deviceMetal rolling arrangementsElectric machineStrip steel
The application provides a method for reducing the transverse strip difference of silicon steel products, comprising the following steps: S1, increasing the original roll crown of a cold rolling silicon steel rolling mill; S2, moving the upper and lower intermediate rolls of the cold rolling silicon steel rolling mill, and determining the position of the axial movement of the upper and lower intermediate rolls according to the width of the strip steel; S3, adjusting the bending roll of the cold rolling silicon steel rolling mill according to the rolling reduction rate, increasing the positive bending extension of the bending roll of the cold rolling silicon steel rolling mill; S4, increasing the total reduction rate of the cold rolling silicon steel rolling mill; S5, increasing the strip tension of the cold rolling silicon steel rolling mill; S6, reducing the strip difference of the cold rolling strip steel and improving the strip shape at the same time. The transverse strip difference of the silicon steel cold rolling strip steel can be reduced to 0.0048-0.0051, which meets the requirements of the manufacturers of motors, transformers and the like on the transverse strip difference of the silicon steel products.
Owner:BENGANG STEEL PLATES CO LTD

Power grid electromagnetic electromechanical transient hybrid simulation method and device and medium

The invention relates to a power grid electromagnetic electromechanical transient hybrid simulation method and device and a medium. The method comprises the following steps that an alternating current part and a direct current part of an electromechanical electromagnetic hybrid system are distinguished; for the alternating-current part, dividing the alternating-current part into an internal system and an external system according to the application purpose of the electromechanical electromagnetic hybrid system, determining a boundary buffer layer of the internal system and the external system, performing dynamic equivalent processing on the external system based on the boundary buffer layer to obtain a reserved system, and processing the reserved system into alternating-current part data; for the direct current part, performing modular modeling on components of the direct current part to obtain direct current part data; and inputting the alternating current part data and the direct current part data into simulation software together to obtain a simulation model. Compared with the prior art, the method has the advantages of high flexibility, high stability and the like.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Tractor mounting structure of laundry equipment and laundry equipment

The utility model provides a clothes washing equipment tractor installation structure and clothes washing equipment, the tractor installation structure comprises a barrel body, a deceleration clutch, a tractor and an installation support, the barrel body is provided with a barrel bottom wall, the installation support is connected with the barrel bottom wall, the central axis of the barrel body is marked as L, the tractor is detachably connected with the mounting bracket, and the connecting direction of the tractor and the mounting bracket is parallel to L; relative displacement between the tractor motor output shaft (together with the tractor motor rotor) and other parts of the tractor can be effectively avoided, so that collision and friction probability and acting force between the parts are reduced, noise at the tractor can be effectively reduced in the running process of the laundry equipment, and the service life of the laundry equipment is prolonged. And the use experience of the user is improved.
Owner:NINGBO JIDE ELECTRICAL APPLIANCE

Bridge rectifier

The utility model discloses a bridge rectifier, which comprises a body and a seat body, and is characterized in that a dismounting device capable of moving up and down is arranged in the seat body, the seat body is provided with a plurality of leading-out pins, the body is provided with conductive terminals, is inserted into the leading-out pins and presses down the dismounting device, and the top surface of the body is flush with the top surface of the seat body. Elastic sheets are arranged in the lead-out pins and act on the conductive terminals, so that the conductive terminals are fixedly connected with the lead-out pins, and when downward pressure is applied to the dismounting device, the body is pushed to move upwards. According to the utility model, the body can be conveniently plugged into the seat body through the elastic sheet, the elastic sheet is used for ensuring the stable electric connection between the conductive terminals and the lead-out pins, the body is separated from the seat body by pressing the dismounting device, the acting force and friction force of the elastic sheet on the conductive terminals are reduced, dismounting is convenient, dismounting time is saved, and the dismounting efficiency is improved. The product has the advantages of being convenient to disassemble, stable in connection and long in service life.
Owner:余炳旭

Well shut-in structure and construction device and method for precipitation well

The present application belongs to the technical field of sealing well of precipitation well, and discloses a sealing well method of precipitation well, which utilizes a sealing member to isolate the upper and lower well pipes, realizes feeding and filling in the lower well pipe of the sealing member, pressure cement slurry filling in the upper well pipe of the sealing member, and waterproof material is used to strengthen waterproof, and then fine stone concrete or grouting material is poured, and after the sealing plate is closed, a rigid water stop wing ring is arranged inside, and fine stone concrete is poured to form multiple waterproof measures; the sealing member is used to feed and fill the well pipe, which can weaken the effect of groundwater to the greatest extent, and avoids the problems of cement and fine material return caused by groundwater flushing in the prior art. The present application is suitable for sealing well of precipitation well under complex conditions of rich groundwater and high water pressure, and has the advantages of fast sealing well effect, small work load, short cycle, no influence on the surrounding environment, no influence on the safety of underground building structure, flexible and convenient operation, and saved construction period and cost.
Owner:HUNAN CHEM GEOLOGICAL ENG INVESTIGATION INST

Auxiliary adjusting device and system for vehicle running in water, control method and vehicle

The invention relates to a vehicle underwater driving auxiliary adjusting device and system, a control method and a vehicle. The auxiliary adjusting device for the vehicle running in the water comprises a flow guide plate located between a wheel cover and a wheel of the vehicle; and the driving mechanism is in transmission connection with the flow guide plate, is used for driving the flow guide plate to be switched to a folded state and an extended state, and can be used for adjusting the size of an included angle between the flow guide plate in the extended state and the axis of the vehicle wheel. Through flexible switching of different states and angles, lifting force and propulsive force generated by rotation of wheels can be adjusted in a targeted mode, and the problems that in the prior art, lifting force and propulsive force of a wheel-type amphibious vehicle are difficult to optimize, so that resistance is large when the vehicle sails in water at a high speed, and flexibility of posture adjustment is insufficient are effectively solved. The speed increase and the navigation attitude stability are both considered when the vehicle travels in water, and the comprehensive use performance of the vehicle in water is remarkably improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Wire harness connector protection shell and vehicle with wire harness connector protection shell

The utility model relates to the technical field of vehicles, in particular to a wire harness joint protection shell and a vehicle with the same. The utility model discloses a wire harness joint protection shell, and the protection shell comprises a shell which comprises a first shell body and a second shell body, and the first shell body and the second shell body are spliced and can form a channel for accommodating a wire harness joint in a surrounding manner; the hinge is located on one side of the first shell, and the first shell is hinged to the second shell through the hinge; the first buckle structure is located on the side, provided with the hinge, of the first shell and used for enabling the first shell and the second shell to be connected in a buckled mode; the second buckle structure is located on one side of the first shell and used for enabling the first shell and the second shell to be connected in a buckled mode; the first buckle structure and the second buckle structure are located on the two opposite sides of the shell. Meanwhile, two groups of buckle structures are arranged, so that the first shell and the second shell are still in a buckled state even under the condition that the hinge is broken, and the wire harness joint is protected.
Owner:NINGBO SHILAM AUTO PARTS CO LTD

Ultra-precision combined machining method and alignment method for single crystal material V-shaped groove array

The invention belongs to the field of single crystal material pole tip V-shaped groove array processing, and particularly discloses a single crystal material V-shaped groove array ultra-precision composite processing method and an alignment method, after the crystal orientation of a single crystal material is determined, femtosecond laser is adopted for processing in the direction parallel or / and perpendicular to the crystal orientation, and the single crystal material pole tip V-shaped groove array is obtained. Forming a microstructure array on the surface of the single crystal material; carrying out wet etching on the processed single crystal material in an anisotropic etching solution; the obtained single crystal material is placed on a tool table of a slitting machining system, a diamond cutter of the slitting machining system is used for further machining the V-shaped groove, and in the machining process, a tool nose of the diamond cutter is aligned with the bottom of the groove, and then slitting machining is conducted.
Owner:SHANDONG UNIV

Crusher with adjustable angle

ActiveCN222624813Ulow costGood elastic propertiesGrain treatmentsWorking environmentNoise
The utility model discloses an angle-adjustable crusher which comprises a shell which is an angle-adjustable crusher main body, the opening penetrates through the top of the shell; the containing grooves are formed in the two sides of the opening; the baffle plate is movably arranged in the accommodating groove; the elastic sheets are fixed on the two sides of the interior of the shell; the movable groove is formed in the top of the shell; the spring is fixed in the movable groove; the shifting sheet is fixed at one end of the spring; the clamping rod is fixed on one side of the shifting piece; and the sound insulation plate is arranged on the inner wall of the shell. According to the device, the containing groove, the baffle, the spring and the clamping rod are adopted, the requirement for smashing can be adjusted in time through the mode, corresponding equipment does not need to be leased or purchased, and cost expenditure is reduced; the elastic sheet and the sound insulation plate are adopted, so that the effect of impact force on the guide plate is reduced, the damage risk of the guide plate is reduced, meanwhile, the hearing health of staff can be protected, and the adverse effect of noise in the working environment on the staff is reduced.
Owner:BAIYIN NONFERROUS GROUP

Air-blast seed metering device for large-sized seeds

The present application relates to the technical field of seeding equipment, and discloses an air-suction seed metering device for large-diameter seeds; a seed metering disc is installed in a seed metering shell and divides the seed metering shell into an air chamber and a seed area; the seed metering disc is connected to a driving mechanism; a negative pressure mechanism is connected to one end of the air chamber along the seed metering shell; the negative pressure mechanism is used to generate negative pressure in the air chamber; the driving mechanism is used to drive the seed metering disc to rotate; when the seed metering disc rotates to the area of the air chamber, the negative pressure is connected to the seed area; when the seed metering disc rotates to the area other than the air chamber, the negative pressure is disconnected; the present application can facilitate accurate positioning and seeding of large-diameter seeds; by changing the on-off of the negative pressure, effective adsorption of the large-diameter seeds and fixed-position seeding are realized, and seed cleaning is performed in the process, which ensures the flowability of the large-diameter seeds, avoids seed accumulation and arching, reduces the collision and force between the seeds, improves the seed filling efficiency, further ensures the germination rate and survival rate of the large-diameter seeds, and is high in seeding efficiency and low in labor cost.
Owner:KUNMING UNIV OF SCI & TECH

Method for improving product of strength and ductility of rare earth Y modified ADC12 regenerated aluminum alloy

PendingCN119506744Ahigh tensile strengthGood refinement effectNonferrous metalToughness
The invention belongs to the technical field of non-ferrous metal processing, and particularly relates to a method for improving the product of strength and ductility of a rare earth Y modified ADC12 regenerated aluminum alloy, the rare earth Y modified ADC12 regenerated aluminum alloy is heated to a first temperature at a certain heating rate, heat preservation is performed for a first time, then the rare earth Y modified ADC12 regenerated aluminum alloy is put into water to be quenched for 10-20 s, and the water temperature ranges from 0 DEG C to 10 DEG C. By adopting the quenching temperature of 0-10 DEG C, the eutectic Si phase and the alpha-Fe phase in the alloy can have a better refining effect, especially the spheroidizing effect of the eutectic Si phase is more remarkable, the matrix splitting effect of the eutectic Si phase and the alpha-Fe phase is weakened, and the tensile strength of the alloy is better improved. The product of strength and elongation as the product of tensile strength and elongation can better reflect the comprehensive mechanical properties of the material, and experiments show that when the quenching temperature is 0-10 DEG C, the product of strength and elongation of the material can reach 4.1 GPa% or above, and the material has excellent comprehensive strength and toughness level.
Owner:BEIFANG UNIV OF NATITIES

River channel dangerous case monitoring and early warning equipment

A riverway dangerous case monitoring and early warning device comprises a base, a stand column is connected to the base, a mounting frame is arranged on the upper portion of the stand column, a rain gauge, a radar water level gauge, a camera and a control box are arranged on the mounting frame, and the stand column is formed by vertically splicing a plurality of standard columns; each standard column comprises a vertical pipe, an upper connecting table is arranged at the top of the vertical pipe, a lower connecting cap is arranged at the bottom of the vertical pipe, an arc-shaped positioning groove is formed in the side wall of the vertical pipe in the circumferential direction, an arc-shaped guide groove is formed in the top face of the upper connecting table, the lower connecting cap can be buckled on the upper connecting table of the connected standard column, and an inserting pipe matched with an inner hole of the vertical pipe is arranged on the bottom face of the connecting cap. A first screw is arranged on the outer side of the insertion pipe and used for being matched with an arc-shaped guide groove connected with a standard column, and a positioning hole is formed in the wall of the insertion pipe and used for being connected with a positioning groove of the connected standard column through a second screw. The structure is simple, batch production is facilitated, installation and operation are convenient, large-range rapid deployment and control around a river channel are facilitated, and the wind load resistance is high.
Owner:于 强

A method for controlled radical polymerization initiated by co-solvent regulated solvated electrons

ActiveCN121045435Blow densityweaken the electricity
The application discloses a kind of solventization electron initiation controlled radical polymerization method of cosolvent regulation, this polymerization method uses higher polymerization temperature and adds cosolvent tetrahydrofuran simultaneously to regulate, solventization electron initiation polymerization still can keep the nature of controlled radical polymerization, can prepare molecular weight precision controllable, narrow molecular weight distribution polymer, and accurate structure block, star and various topological structure polymers such as polymer.The solventization electron initiation controlled radical polymerization method of cosolvent regulation of the application, it includes the following steps: in the solventization electron initiation polymerization system of alkali metal lithium / hexamethylphosphoramide to olefin monomer, adding cosolvent, carrying out controlled radical polymerization, improve polymerization rate and obtain narrow molecular weight distribution polymer;Wherein, the cosolvent is tetrahydrofuran, the dosage of hexamethylphosphoramide is 20mL, the dosage of tetrahydrofuran is 3-6mL, and the polymerization temperature is 50-60 DEG C.
Owner:NANJING NEW HIGH JINGWEI ELECTRIC CO LTD +4

A humanoid robot arm gripper structure

ActiveCN224616379UReduce bending momentReduced effect
A humanoid robot arm gripper structure includes a mounting base, a power unit, a lifting device, and two gripping mechanisms symmetrically mounted on the mounting base. The mounting base has an inner cavity, and the lifting device is mounted within this cavity. The power unit is connected to the lifting device for driving its lifting motion. The gripping structure includes a first rod, a second rod, and a third rod. One end of the first rod has a first hinge and a second hinge. The first hinge is hinged to the lifting device, and the second hinge is hinged to the mounting base. The second hinge of the first rod is also connected to the mounting base, reducing the reaction force transmitted to the first hinge and thus ensuring the stability of the lifting device. Excessive pressure will prevent the lifting device from shaking, thus maintaining its stability.
Owner:SHANGHAI TIANTAI INTELLIGENT ROBOT CO LTD

High-smoothness pullulan empty capsule and method for improving smoothness of pullulan empty capsule

The invention discloses a high-smoothness pullulan empty capsule and a method for improving the smoothness of the pullulan empty capsule, the surface smoothness of a prepared pullulan capsule shell is improved by controlling the conductivity of pullulan polysaccharide in a range of 0.1 ms / cm to 0.8 ms / cm for the first time; by adopting small-molecular-weight pullulan with the molecular weight of 1-600,000 Daltons and introducing sodium periodate, cystine and diamino polyethylene glycol as a linker reagent, the pullulan is subjected to end-to-end connection cyclization, so that winding and friction among pullulan molecules are reduced, the friction force of a capsule shell is reduced fundamentally, and the surface smoothness of the capsule shell is improved.
Owner:JIANGSU LEFAN CAPSULE

A weather-resistant enhanced 1kV overhead insulated conductor

PendingCN122575836AAvoid prolonged high temperaturesGood weather resistance
This invention discloses a weather-resistant enhanced 1kV overhead insulated conductor, relating to the field of power cable technology. Several outer and inner air tubes are connected between two main air boxes located on the same axis. A rubber bladder is embedded between the outer and inner air tubes, and the rubber bladder is filled with microcapsule particles. Two pressure-resistant arc plates are embedded inside the pressure-resistant cavity. A torsion tube is connected between two adjacent pressure-resistant arc plates via two elastic arc plates. Torsion springs are connected between several adjacent torsion tubes. In this invention's pressure-resistant and cold-resistant components, the cable's flexibility is ensured when laying cables in low-temperature weather. In areas with large temperature differences, the cable's temperature change is more stable, preventing prolonged overheating or underheating. In the de-icing and heat dissipation components, the cable temperature is prevented from becoming too high in high-temperature weather and from icing in snowy weather. The two components work together to enhance the cable's weather resistance and improve its performance.
Owner:MINFENG CABLE GRP CO LTD

A multilayer metal sheet for thin-walled sliding bearing

The invention discloses a multilayer metal sheet for a thin-walled sliding bearing, comprising a first structural layer, an interlayer and a second structural layer, wherein the first structural layer is attached to the upper surface of the interlayer and the second structural layer is attached to the lower surface of the interlayer. The key points of the technical solution are as follows: through experimental verification, a 5-10 micron thick aluminum (or aluminum-copper alloy) coating layer obtains an intermediate phase transition layer of about 3 microns under certain process conditions, and the aluminum intermediate layer is well bonded to a steel matrix. Through a multilayer alloy structure, a continuous casting and rolling method can be used to improve the bonding strength of the steel / copper interface. Since the liquid phase copper alloy diffuses faster into the steel matrix and has a greater solubility, this may make the liquid phase composite steel / copper bimetallic bonding strength higher, and fatigue resistance and load-bearing performance better.
Owner:SOUTHEAST UNIV NANJING JIANGBEI NEW AREA INNOVATION RES INST +1

High strength copper core crosslinked polyethylene insulated aerial power cable

This invention relates to the field of power cable technology and proposes a high-strength copper core cross-linked polyethylene insulated overhead power cable, comprising a conductor, a shielding layer, a cross-linked polyethylene insulation layer, and a sheathing layer. The conductor is composed of several stranded wires. The shielding layer covers the outside of the conductor, the cross-linked polyethylene insulation layer covers the outside of the shielding layer, and the sheathing layer covers the outside of the cross-linked polyethylene insulation layer. It also includes a tensile layer, positioning components, tensile components, and current-disrupting components. A tensile layer is provided between the cross-linked polyethylene insulation layer and the sheathing layer. Several positioning components are evenly spaced outside the sheathing layer. A tensile component is provided between every two positioning components. A current-disrupting component is installed on the tensile component. This technical solution solves the problem in the prior art where cables are prone to galloping due to weather conditions, which can easily lead to cable damage due to vibration or excessive tension, thus affecting the stability of the power system operation.
Owner:SHIJIAZHUANG GOLDEN CENTURY CABLE CO LTD

Electrolyte and lithium ion battery

The invention belongs to the technical field of power batteries, and particularly discloses an electrolyte and a lithium ion battery. The electrolyte comprises an electrolyte, a solvent and an additive, the additive at least comprises a first additive and a second additive, and the first additive is a siloxy compound containing an unsaturated bond as shown in a formula (I); the second additive is a carbodiimide compound as shown in a formula (II). The two additives are combined for use, so that negative effects caused by silicon negative electrode expansion can be effectively solved, the cycle performance and the initial impedance of the battery are improved, and the overall performance and the safety of the battery are improved.
Owner:ENVISION DYNAMICS TECH (JIANGSU) CO LTD +1

Heat treatment method for improving plasticity of rare earth Y modified ADC12 regenerated aluminum alloy

The invention belongs to the technical field of non-ferrous metal processing, and particularly relates to a heat treatment method for improving plasticity of a rare earth Y modified ADC12 regenerated aluminum alloy, which comprises the following steps: heating the rare earth Y modified ADC12 regenerated aluminum alloy to a first temperature at a certain heating rate, keeping the temperature for a first time, and quenching in boiling water for 10-20 seconds. By adopting boiling water quenching, the eutectic Si phase and the alpha-Fe phase in the alloy can have a better spheroidizing effect, especially the spheroidizing effect of the eutectic Si phase is more remarkable, the matrix splitting effect of the eutectic Si phase and the alpha-Fe phase is weakened, and the plasticity of the alloy is better improved. Experiments show that the tensile strength and the ductility of the material are obviously improved by adopting boiling water quenching in the technical scheme, particularly, the ductility is improved by 4.52% and 48.5% compared with the traditional quenching by using water at 60 DEG C, and the improvement effect on the plasticity of the material is obvious.
Owner:BEIFANG UNIV OF NATITIES

Cigarette heating device with moisture absorption regulation and control function, cigarette heating system and working method of cigarette heating device

The invention belongs to the technical field of heating smoking sets, and particularly relates to a cigarette heating device with a moisture absorption regulating function, a cigarette heating system and a working method of the cigarette heating system. The cigarette heating device comprises a cigarette containing cylinder, a water absorption part and a shielding part. A cigarette containing cavity is formed in the cigarette containing cylinder, and an opening is formed in the side wall of the cigarette containing cylinder. The water absorption part comprises a water absorption piece, and the water absorption piece is located on the periphery of the opening and can be exposed in the direction of the branch containing cavity through the opening; the shielding part is located between the cigarette containing cylinder and the water absorption piece or arranged on the inner side of the cigarette containing cylinder, and the shielding part is configured to move between an exposed position and a shielding position; when the shielding part is located at the exposed position, the water absorption piece can be exposed towards the direction of the cigarette containing cavity through the opening; when the shielding part is located at the shielding position, the opening is shielded, and the water absorption piece is prevented from being exposed in the direction of the cigarette containing cavity through the opening. The electronic cigarette can meet the requirements of different users or different smoking mouths for the moisture content of smoke.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC +1