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

1660results about How to "Reduce breakage" patented technology

Drilling machine with chipping cleaning function for machining lower ball head of automobile

The invention relates to the technical field of drilling machines, and provides an automobile lower ball head machining drilling machine with a chipping cleaning function, which comprises a machine body, a workbench, a main shaft, a drill bit and a sprayer, and further comprises a protection mechanism, a filtering mechanism, a purging pipe and a dumping mechanism, the protection mechanism is used for protecting a drilling position, and the protection mechanism comprises a protection barrel and a sealing cover; the protective barrel is arranged on the machine body, the workbench is arranged in the protective barrel, the sealing cover is arranged on the main shaft, the filtering mechanism is used for filtering metal chippings and comprises a liquid collecting hopper and a filter screen, the liquid collecting hopper is arranged below the protective barrel, the filter screen is rotatably arranged in the liquid collecting hopper, and the blowing pipe is arranged on the sealing cover. And the pouring mechanism is used for pouring the liquid collecting hopper and pouring out the metal chippings in the filter screen, and by means of the technical scheme, the problem that in the prior art, cutting liquid is mixed with cutting chippings, so that subsequent drilling machining is affected is solved.
Owner:SHAOYANG ZHENGDE MASCH TECH CO LTD

PCB (Printed Circuit Board) defect identification method used in automatic PCB sorting process

The invention discloses a PCB (Printed Circuit Board) defect identification method used in an automatic PCB sorting process, and relates to the technical field of defect identification, a visibility coefficient Kjxs is calculated based on the definition of a pattern formed by photoresist, an etching influence coefficient Syxs is calculated in combination with degree data after etching, and the etching influence coefficient Syxs is input into a defect evaluation model, so that the defect of the PCB is evaluated. Accurate evaluation of the defects is realized through a deep learning technology, and the method enables identification of the PCB defects to be more intelligent and efficient, and reduces manual intervention. On the basis of comparative analysis of the defect score Qpf and the preset evaluation threshold value Q, the system can automatically judge the defect condition of the PCB to be etched and adopt a corresponding automatic sorting mechanism, the intelligent automatic sorting mechanism can ensure that the qualified PCB enters the subsequent technological process, and the defective PCB is removed in time, so that the production efficiency is improved, and the production cost is reduced. And the risk that unqualified products flow into subsequent production links is reduced.
Owner:深圳市塔联科技有限公司

Agricultural grain transport device

The present invention relates to the field of grain transport technology, and in particular to an agricultural grain transport device, comprising a base, a shell fixedly installed on the top of the base, a feed hopper and a discharge hopper respectively arranged at both ends of the shell, a cylindrical screen arranged inside the shell, a refrigeration mechanism arranged inside the shell, a mounting plate fixedly installed on the side of the discharge hopper away from the shell, a motor fixedly installed on the top of the mounting plate, a rotating shaft fixedly connected to the output end of the motor, and a spiral hollow disk and a solid disk fixedly connected to the outer wall of the rotating shaft. The advantages are: the inside of the shell maintains a low temperature, the low temperature helps to increase the hardness difference between grain and impurities, improve the efficiency of impurity screening, reduce the stickiness between grains, ensure the smooth flow of grain, the screen effectively screens out impurities in the grain, improves the purity of the grain, pushes the grain in layers, prevents excessive accumulation of grain, and reduces the damage of grain due to friction and extrusion.
Owner:西安艺琳农业发展有限公司

Grape picking and collecting management device

The invention provides a grape picking, collecting and managing device, relates to the field of grape management equipment, and aims to solve the problems that grapes are easily affected by harvesting equipment and damaged during harvesting at present, so that the grapes are inconvenient to store and the quality is reduced. A picking claw mechanism can be installed at the tail end of the picking mechanical arm, a shear mechanism and a temporary storage shell arranged on the picking claw mechanism can work cooperatively, fruit stems are sheared after grapes are supported, manual shearing operation is simulated to reduce damage to the grapes, meanwhile, the temporary storage shell can move to the position of the lifting platform, and the temporary storage shell can move to the lifting platform. The grapes are transferred into the storage box of the lifting platform after being opened from the bottom, the problem that the grapes are damaged due to transfer is solved, and the harvesting efficiency and quality are guaranteed.
Owner:SHANDONG UNIV

Flexible deep sea truss aquaculture net cage

The invention belongs to the technical field of mariculture, and particularly relates to a flexible deep sea truss aquaculture net cage which comprises a flexible net cage system, a stock bin barrel system is arranged in the middle of the flexible net cage system, and an overwater suspension corridor assembly is arranged between the top end of the flexible net cage system and the top end of the stock bin barrel system. An anchor cable system is arranged on the outer side of the circumference of the flexible net cage system. By designing the flexible net cage system, the weight of the culture net cage is increased by filling viscoplastic filling materials through the bottom annular thick supporting pipes and the stand columns, the gravity center of the net cage is reduced, and the safety of the culture net cage in the putting process and the stability in actual operation are improved; other supporting pipes, supporting pieces, stand columns in the stock bin barrel system and transverse annular supporting pipes are filled with seawater, net cage throwing is assisted, and balance weight is simple; due to the integral structural design, the net cage has seawater corrosion resistance, is firm in structure, can bear the impact of large waves and seawater, has certain water permeability and can keep the circulation of seawater.
Owner:GUANGDONG EAST PIPES CO LTD

Silicon carbon material as well as preparation method and application thereof

The invention discloses a silicon-carbon material and a preparation method and application thereof, belongs to the technical field of negative electrode materials, and overcomes the defect of high volume expansion rate of a silicon-based material in the prior art. The silicon-carbon material provided by the invention comprises porous carbon and silicon deposited in porous carbon channels; the porous carbon comprises mesopores and macropores, the pore diameter of the mesopores is greater than 10nm and less than or equal to 50nm, and the pore diameter of the macropores is greater than 50nm and less than or equal to 100nm; based on the total volume of the pores in the porous carbon, the volume fraction of the mesopores is 50%-75%, and the volume fraction of the macropores is 10%-20%; and the silicon deposited in the mesopores and the macropores is a hollow silicon nanotube. Silicon in the silicon-carbon material mainly exists in the form of hollow silicon nanotubes, and during lithium intercalation expansion, since expansion spaces are reserved in the hollow nanotubes, the lithium intercalation expansion of the whole silicon-carbon material is reduced.
Owner:REPT BATTERO ENERGY CO LTD +1

Whole-ring shield segment loading system suitable for different water depth load conditions

The invention belongs to the technical field of shield tunnel engineering, and particularly relates to a whole-ring shield segment loading system suitable for different water depth load conditions, which comprises a T-shaped loading beam, a hoop steel strand loading system, an actuator loading system and a support frame, the plurality of T-shaped loading beams are uniformly distributed on the outer circumference of the whole-ring duct piece, each T-shaped loading beam comprises a supporting beam and a trapezoidal beam, the trapezoidal beam is a prism with a trapezoidal cross section, the bottom surface of the trapezoidal beam is parallel to the axis of the whole-ring duct piece, one end of the trapezoidal beam is fixed in the middle of the supporting beam perpendicular to the trapezoidal beam, and the trapezoidal beam is fixed on the whole-ring duct piece through the hoop steel strand loading system; the supporting frame is fixed on the ground, the axis of the whole-ring duct piece is parallel to the ground and is fixed in the supporting frame through the actuator loading system, the hoop steel strand loading system provides hoop force with adjustable magnitude, and the actuator loading system provides radial force with adjustable magnitude. According to the invention, loading of the vertical whole-ring shield segment under different water depth load conditions is realized, and the actual stress of the shield segment is accurately reflected.
Owner:CHINA STATE CONSTRUCTION ACADEMY CORPERATION LTD +1

Bearing head for wafer processing and chemical mechanical polishing equipment

The invention provides a bearing head for wafer processing and chemical mechanical polishing equipment. The bearing head comprises a bearing head main body; the retaining ring is arranged on one side, facing the wafer, of the bearing head main body, and the wafer is limited in the retaining ring; and an anti-slip sheet mechanism at least partially disposed in the retaining ring, the anti-slip sheet mechanism being configured to be axially retractable to retract into the retaining ring when the retaining ring abuts against the polishing unit and to protrude from the retaining ring when the retaining ring is axially separated from the polishing unit, the anti-slip sheet mechanism being made of a corrosion resistant material. According to the technical scheme, the wafer is effectively prevented from sliding out, the risk that the wafer is broken is reduced, and the effectiveness of the anti-slip sheet mechanism is guaranteed.
Owner:HWATSING TECHNOLOGY CO LTD

Method for preparing lithium-rich silicon monoxide negative electrode material by utilizing photovoltaic crystalline silicon waste material

The invention relates to the technical field of photovoltaic crystalline silicon waste treatment, and discloses a method for preparing a lithium-rich silicon monoxide negative electrode material from photovoltaic crystalline silicon waste, and the method comprises the following steps: step 1, crushing and granulating the photovoltaic crystalline silicon waste; 2, preparing silicon monoxide particles; step 3, preparing lithium-rich silicon monoxide particles; step 4, preparing carbon-coated lithium-rich silicon monoxide particles; and 5, constructing a conductive network of the carbon-coated lithium-rich silicon monoxide particles to obtain the carbon-coated lithium-rich silicon monoxide negative electrode material with the three-dimensional conductive network. According to the scheme, high-value utilization is carried out on the photovoltaic silicon crystal waste, and the problem of subsequent treatment of solid waste is solved; the source pressure of the silicon-based negative electrode material is effectively relieved, and the preparation cost pressure of the silicon-based negative electrode material is reduced; the problems of low initial coulombic efficiency, obvious volume expansion, poor conductivity and the like of the silicon-based negative electrode material are solved by carrying out pre-lithiation, carbon coating, net coating, doping and the like on the material.
Owner:CHINA ENERGY CONSERVATION ENG TECH RES INST CO LTD

Pesticide sustained-release granule as well as preparation method and application thereof

ActiveCN119522904Aachieve slow releaselow costBiocideFungicidesPlanting seedNano carbon
The invention discloses a pesticide slow-release granule suitable for simultaneous sowing of pesticide and plant seeds. The pesticide sustained-release granule has double coating layers, the first coating layer takes a pesticide effective component A as a core and a nano calcium carbonate carrier material as a shell, and nano calcium carbonate is used for carrying out first-layer coating on a bactericide effective component through a physical adsorption method; the second coating layer is formed by mixing the first coating layer and the pesticide active ingredient B as a core and taking materials such as attapulgite as a shell. The sustained-release granule has good sustained-release performance, can stably release effective components in a long time, prolongs the pesticide effect period, reduces frequent pesticide application operation, and further improves the pesticide utilization rate.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI

Walnut processing and conveying equipment with steering mechanism

The walnut processing and conveying equipment with the steering mechanism comprises a conveying table, a conveying steering belt, a containing box and a processing assembly, the conveying steering belt is movably installed on the inner side of the conveying table, the containing box is placed above the conveying steering belt, the processing assembly is fixedly installed above one side of the conveying table, and the processing assembly is fixedly installed above the other side of the conveying table. A conveying steering belt is arranged to drive an upper placing box to move, and different processing treatments are carried out when the conveying steering belt moves to the position below the processing assembly; according to the walnut processing equipment, automatic or semi-automatic production can be achieved, the processing efficiency is remarkably improved, the labor cost is reduced, multi-stage processing treatment is conducted on walnuts in the transportation process, parameters such as the temperature and time in the processing process are accurately controlled through arrangement of the temperature controller, and the walnut processing equipment can guarantee the quality and consistency of products; the efficient processing equipment can reduce damage and loss of walnuts in the processing process, and the utilization rate of raw materials is increased.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Ceramic / high-entropy alloy composite particle reinforced aluminum-based composite material and laser additive manufacturing method thereof

The invention discloses a ceramic / high-entropy alloy composite particle reinforced aluminum-based composite material and a laser additive manufacturing method thereof. Firstly, ceramic / high-entropy alloy composite powder and aluminum alloy powder are mixed through ball milling to obtain ceramic / high-entropy alloy composite particle reinforced aluminum alloy composite powder, then the composite powder of the three components is laid on a powder bed, laser power, scanning speed, scanning spacing and the like are adjusted, and laser scanning melting solidification is conducted to prepare the ceramic / high-entropy alloy composite particle reinforced aluminum alloy composite powder. And the ceramic / high-entropy alloy composite particle reinforced aluminum-based composite material is formed. The composite material disclosed by the invention is highly compact, so that the ceramic / high-entropy alloy composite particles can effectively improve the mechanical property of the aluminum-based composite material, and can be used for manufacturing high-performance complex parts for aerospace, automobile rail transit and the like.
Owner:SOUTH CHINA UNIV OF TECH

Air suction seeding device

The present invention discloses an air-suction seeding device, including a seeding device housing, a built-in fan, a driving motor, a transmission intermediate wheel, a transmission internal gear, a transmission intermediate wheel bearing, a closed-wind grinding block assembly, a seeding disc and a seeding device cover. The air-suction seeding device described in the present invention has a shaftless design for the seeding device and a built-in fan. The seeding device housing is both a bellows of the fan and a negative pressure chamber of the seeding device. The motor directly drives the inner gear ring, so that it has a deceleration function. The air-suction seeding disc adopts a cup cover structure and is installed without a shaft. The seeding disc can seed forward and sideways, which solves the problem of matching with a CNC seeding host. The whole machine is easy to repair and maintain, the sowing mode is easy to change, the adaptability to the size and specific gravity of the seed grains is strong, and the advantages of reducing seed grain breakage and reducing the missed sowing rate are improved. The efficiency of farmland operations is improved, and the increase in crop yield and income is achieved, which is of great significance to the development of large-scale high-precision agriculture.
Owner:WUQIAO YUEHANG MECHANICAL & ELECTRICAL EQUIP INSTALLATION CO LTD

Exhaust corrugated pipe extrusion manufacturing equipment

The invention relates to the technical field of corrugated pipe manufacturing equipment, in particular to exhaust corrugated pipe extrusion manufacturing equipment which comprises an extrusion device, a mold device, an unwinding device, a cooling device, a shearing device and a material receiving device, and the material receiving device comprises a supporting box, a compression assembly, a material pouring assembly and a material receiving box. The supporting box is located at the output end of the mold device and provided with a supporting guide rail for supporting movement of the corrugated pipe, the compression assembly is slidably connected with the supporting box and used for compressing and folding the corrugated pipe, and the material pouring assembly is located at the end, away from the mold device, of the supporting box and used for pouring the corrugated pipe into the mold device. And the conveying device is used for conveying the corrugated pipe to a receiving box. The corrugated pipe production device has the effect of improving the corrugated pipe production efficiency.
Owner:JIANGMEN HONGMEIDA RUBBER PLASTICS PROD 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

Low-odor soft TPE composite material and preparation method thereof

The invention discloses a low-odor soft TPE (thermoplastic elastomer) composite material and a preparation method thereof, and the composite material comprises the following components in parts by weight: 50-100 parts of TPE, 5-20 parts of a deodorant, 150-600 parts of a plasticizer, 1-10 parts of an antioxidant, 1-5 parts of a light stabilizer, 0-20 parts of calcium stearate, 2-10 parts of nano silicon dioxide, 1-5 parts of an organic silicon modifier and 50-150 parts of a bio-based plasticizer. 1-5 parts of nano titanium dioxide, 0.1-1 part of graphene nanosheets and 1-5 parts of a metal organic framework compound; 0.01-0.5 part of carbon nanotubes, 0.5-2 parts of a self-repairing polymer containing microcapsules, and 1-10 parts of an antibacterial agent. By adding the novel deodorant, peculiar smell molecules generated in the hot melting process are effectively captured, adsorbed and degraded, the smell of the product is remarkably reduced, and more comfortable user experience is provided.
Owner:ZHEJIANG LIANHONG TECH CO LTD

Porous carbon microsphere material, silicon-carbon composite material and preparation method and application of porous carbon microsphere material and silicon-carbon composite material

The invention discloses a porous carbon microsphere material, a silicon-carbon composite material and a preparation method and application thereof, and the preparation method of the porous carbon microsphere material comprises the following steps: S1, mixing a polymer, a solvent and conductive carbon black to obtain a precursor solution; s2, preparing the precursor solution into a carbon microsphere precursor material by adopting an electrostatic spraying method; s3, sequentially carrying out pre-oxidation and heat treatment on the carbon microsphere precursor material to obtain a spherical carbon material; s4, performing supercritical hydrothermal activation on the spherical carbon material, and performing post-treatment to obtain a porous carbon microsphere material; the activation temperature is 300 to 600 DEG C; the activation pressure is 15 to 30 MPa; the activation time is 0.5 to 1 hour. The porous carbon microspheres prepared by the invention have a series of adjustable physical and chemical characteristics, highly developed pore structures, high mesoporosity and better mechanical strength, and can enable lithium ion batteries to have the characteristics of low pole piece expansion rate, high first coulombic efficiency, excellent cycling stability and the like when being further applied to the lithium ion batteries.
Owner:NINGBO SHANSHAN SILICON-BASED MATERIALS CO LTD

Automatic machining device for ball pin

The invention belongs to the technical field of ball pin machining, and particularly relates to an automatic ball pin machining device which comprises a workbench. The middle supporting mechanism is arranged in the middle of the workbench; the ball head clamping mechanism is arranged on the workbench and located on one side of the middle supporting mechanism; the ball rod clamping mechanism is arranged on the workbench, located on the other side of the middle supporting mechanism and opposite to the ball head clamping mechanism; the drilling mechanism is arranged on the workbench, and the driving end of the drilling mechanism faces the middle supporting mechanism; the two ends of the ball pin are clamped through the ball clamping mechanism and the ball rod clamping mechanism, so that the stability of clamping and fixing of the ball pin can be guaranteed, and the ball pin can be prevented from shaking or slipping when the drilling mechanism drills downwards.
Owner:ZHEJIANG KAIMINRUI AUTO PARTS CO LTD

Flexible support for mountain photovoltaic construction

The invention discloses a flexible support for mountainous region photovoltaic construction, and relates to the technical field of photovoltaic construction, the flexible support comprises a plurality of groups of fixing piles poured on a mountainous region, steel nooses are arranged among the plurality of groups of fixing piles, photovoltaic fixing plates are laid on the steel nooses, and bearing cables are further arranged among the plurality of groups of fixing piles. A square pyramid is arranged on the lower surface of the photovoltaic fixing plate, the bottom end of the square pyramid is arranged on the bearing cable, a windproof cable is longitudinally arranged below the bearing cable and penetrates through the square pyramid, windproof piles poured on a mountain land are arranged at the two ends of the windproof cable, and damping mechanisms are arranged in the windproof piles. The bracket is provided with the windproof cable and the damping mechanism, and the energy of up-down vibration of the windproof cable is absorbed through mechanical movement in strong wind weather, so that the amplitude of up-down vibration of the steel noose and the bearing cable can be reduced, the stability of the steel noose and the bearing cable is improved, and the wind-resistant effect is good.
Owner:SHANXI WUJIAN GRP CO LTD +1

Beautifying and sunscreen composition and cosmetic

The invention relates to a face-beautifying sunscreen composition and cosmetics, the face-beautifying sunscreen composition comprises a first type of powder, a second type of powder and a film-forming agent, the first type of powder comprises a titanium dioxide mixture, zinc oxide and ferric oxide, and the second type of powder comprises spherical powder, flaky powder and hexagonal hollow tubular powder. The first type of powder and the second type of powder are powder made of different materials; the titanium dioxide mixture comprises spindle-shaped titanium dioxide with the average particle size of 8 nm to 60 nm, spherical titanium dioxide with the average particle size of 200 nm to 300 nm and rod-shaped titanium dioxide with the short diameter of 0.2 mu m to 0.5 mu m and the long diameter of 1 mu m to 5 mu m. The cosmetic prepared from the beautifying and sunscreen composition not only has excellent sunscreen and concealing effects, but also has the effects of beautifying and sunscreen products, can effectively reduce makeup steps, avoids the conditions of skin mud rubbing, acnes and the like caused by accumulation of sunscreen and beautifying products, and is good in makeup holding effect and excellent in makeup effect.
Owner:PROYA COSMETICS CO LTD

Environment-friendly formaldehyde removing device for indoor air pollution treatment

The invention belongs to the technical field of air purification, and particularly relates to an environment-friendly formaldehyde removing device for indoor air pollution abatement, which comprises a box body, an axial flow fan, a stirring piece, a conveying mechanism, a storage piece and an absorbing and purifying mechanism, activated carbon particles are brought into the first cylindrical structure through the conveying mechanism, the activated carbon particles absorb formaldehyde in air, and the box body moves according to a set route to absorb formaldehyde in indoor air; after the activated carbon particles are used for a period of time, the activated carbon particles enter the storage piece, the conveying mechanism conveys the activated carbon particles on the lower portion of the first barrel into the containing cavity, and formaldehyde is continuously absorbed; the absorption and purification mechanism absorbs and purifies formaldehyde adsorbed on the activated carbon particles in the storage part, so that the adsorption capacity of the activated carbon particles is recovered, and cyclic utilization of the activated carbon particles is realized; and the activated carbon particles can be recycled without moving all the time, so that the damage probability of the activated carbon particles is reduced.
Owner:GUANGDONG GUOJIA PEST CONTROL TECHNOLOGY CO LTD

Breakage-proof chute device for rectangular storage silo

The invention provides an anti-breaking chute device for a rectangular storage silo. The anti-breaking chute device comprises the rectangular storage silo, a material collecting hopper, a linear chute, a wear-resistant lining plate, a guide chute and a chute bracket, the material collecting hopper is shaped according to material characteristics and is adhered with a wear-resistant lining plate; the linear chute is L-shaped, is provided with an external opening, and is designed with a wear-resistant lining plate and a slope at a fixed angle; the guide chute is U-shaped and fold-line-shaped, has slope fixed angles on two sides, and is arranged at the corner of the silo to be connected with the linear chute; the chute support is in a T shape, materials enter the linear chute through the material collecting hopper, part of the materials are thrown down through the outer opening, and part of the materials are transferred to the next linear chute through the guide chute and are guided to the bin bottom step by step. The device effectively reduces material impact crushing and dust emission, is suitable for single-line and double-line feeding, improves product quality, reduces maintenance, and has advantages in low-investment transformation or new projects.
Owner:DALIAN HUARUI HEAVY IND GRP CO LTD

Ultra-thin filament composite fabric and processing technology thereof

The invention discloses an ultra-thin filament composite fabric and a processing technology thereof.The ultra-thin filament composite fabric comprises a fabric inner layer, the fabric inner layer is formed by weaving ultra-thin filaments, a metal net layer is arranged on the fabric inner layer, the metal net layer is formed by weaving pure silver fibers and polyacrylonitrile fibers in a mixed mode, the metal net layer is coated with a PA layer, and the PA layer is arranged on the fabric inner layer. The PA layer is coated with an outer film layer, and the outer film layer is a waterproof breathable film. Through cooperation of the fabric inner layer, the metal net layer, the PA layer and the outer film layer, the metal net layer is coated with the PA layer, the metal net layer and the fabric inner layer can be connected, the metal net layer can protect the PA layer, the toughness of the PA layer in use is improved, the possibility that the PA layer is broken is reduced, and the metal net layer has certain radiation resistance, so that the service life of the fabric is prolonged, and the service life of the fabric is prolonged. The composite fabric is more comfortable, softer, bacteriostatic and breathable.
Owner:JIANGSU YONGNENG NEW MATERIAL TECH CO LTD

Method for reducing structural deformation and damage of silicon-based anode in circulation process

PendingCN119481069ASimple synthesis pathAvoid cumbersome processingNegative electrodesSecondary cellsStructural deformationFreeze-drying
The invention relates to the technical field of silicon-based anode materials, in particular to a method for reducing structural deformation and damage in the circulation process of a silicon-based anode. The preparation method comprises the following steps: adopting Ti < 3 > C < 2 > T < x > MXeneamp; the SGC composite material is used as a silicon-based anode active material; the Ti < 3 > C < 2 > T < x > M < X > eneamp; the preparation method of the SGC composite material comprises the following steps: (1) dispersing nano silicon into phenolic resin, then enabling the nano silicon and graphene oxide to be adsorbed and self-assembled to form gel by utilizing a surface charge adsorption effect, and then performing freeze drying, grinding, carbonization treatment and CVD treatment to obtain the SGC composite material; (2) the surface of the SGC composite material is coated with the Ti < 3 > C < 2 > T < x > MXene nanosheets in a vacuum suction filtration mode, and Ti < 3 > C < 2 > T < x > MXene amp is obtained; the invention discloses an SGC composite material.
Owner:JIANGYIN NANOPORE INNOVATIVE MATERIALS TECH LTD

Self-locking support for photovoltaic module transportation of unmanned aerial vehicle

The utility model provides a self-locking support for an unmanned aerial vehicle to transport a photovoltaic assembly, and particularly relates to the technical field of new energy assembly transportation. A self-locking support for an unmanned aerial vehicle to transport photovoltaic modules comprises a frame, a plurality of gear shafts are arranged on the frame, a telescopic spring is arranged at the top of the frame, the bottom end of the telescopic spring is connected with a lifting rod, a lifting rack is arranged on the lifting rod and meshed with teeth on the inner sides of the gear shafts, and a groove is formed in the frame. A sliding block is arranged on the groove and fixedly connected with the moving rod. The photovoltaic assembly self-locking support has the advantages that the design of the self-locking device is newly added, the photovoltaic assembly is placed on the self-locking support, binding is not needed, the photovoltaic assembly is directly fixed, the assembly binding time can be shortened, the device is a four-side contact assembly, the assembly can be evenly stressed in the transportation process, damage is reduced, and the service life of the photovoltaic assembly is prolonged. The unmanned aerial vehicle is used as a carrier for transportation, the unmanned aerial vehicle body can fly autonomously, and the transportation efficiency is improved.
Owner:POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD

Continuous fiber reinforced co-extrusion die, forming line body and fiber reinforced foaming floor

The invention discloses a continuous fiber reinforced co-extrusion die, a forming line body and a fiber reinforced foaming floor, and relates to the technical field of foaming floors, the continuous fiber reinforced co-extrusion die comprises a die body, the front end face and the rear end face of the die body are a mixed extrusion face and a core material feeding face respectively, and one side face of the die body is provided with a shell material feeding port; a core material supply channel penetrating through the mixed extrusion face and the core material supply face is formed in the mold body, a shell material supply cavity surrounding the core material supply channel is formed in the mold body, two fiber channels are formed in the mold body, the two fiber channels are symmetrically arranged up and down, and the fiber channels are arc-shaped bent channels. The forming line body comprises a continuous fiber reinforced co-extrusion die, a core material extruder and a shell material extruder; a shaping module, a vacuum water cooling group, an open type water cooling group and a traction machine are sequentially arranged on the mixed extrusion surface of the mold body. According to the invention, the overall strength and performance of the composite material are optimized, and uniform distribution and orientation of reinforced fibers are ensured.
Owner:VMKON (GUANGDONG) IND DEVELOPMENT CO LTD

Rapier loom control method and system with main shaft motor assisting in braking

The invention provides a control method and system for a rapier loom with a main shaft motor assisting in braking, and the method comprises the steps: obtaining a running state signal of the rapier loom, and judging whether the current rapier loom stops running or not according to the running state signal of the rapier loom; after the operation stop state signal of the rapier loom is obtained, a brake control signal of a spindle motor of the rapier loom is generated, so that the spindle motor of the rapier loom enters a brake state; after a spindle motor of the rapier loom enters a braking state, the rapier loom is controlled to execute a stopping action, and whether the stopping action of the current rapier loom is executed or not is judged; and if the execution of the stopping action of the current rapier loom is finished, further controlling the spindle motor to generate and maintain a reverse 0-speed current so as to control the spindle motor to maintain a 0-speed state and perform auxiliary reinforced braking in combination with the rapier loom braking system.
Owner:HANGZHOU NAZHONG TECH CO LTD

Electrolytic copper foil peel strength testing device

The invention discloses an electrolytic copper foil peeling strength testing device, and relates to the technical field of electrolytic copper foil peeling detection.The electrolytic copper foil peeling strength testing device comprises a box body, a control console, a lifting frame and a shell, a motor is fixedly connected to the outer wall of the top of the lifting frame, and the output end of the motor is fixedly connected with a first threaded lead screw; and the circumferential outer wall of the first threaded screw rod is in threaded connection with a first threaded sleeve, the circumferential outer wall of the first threaded sleeve is fixedly connected with a fixing frame, the inner wall of the top of the lifting frame is fixedly connected with a first guide column, and the circumferential outer wall of the first guide column is sleeved with a first guide cylinder. According to the copper foil stripping device, it is guaranteed that the stripping and rising height of the copper foil body is the same as the horizontal displacement length, the pulled copper foil body is perpendicular to the copper foil body bonded to the substrate all the time, the accuracy of the detection result is further improved, and the situation that the result error is large due to angle change in the stripping process of the copper foil body is avoided.
Owner:GUANGDONG YINGHUA ELECTRONIC TECH CO LTD

Self-propelled intelligent ginger combine harvester

The invention relates to a self-propelled intelligent ginger combine harvester which comprises a gathering automatic guide device, a vibration excavating and soil shaking device, an intelligent clamping and conveying device, a floating type flexible soil cleaning and impurity removing device, a stem cutting and seedling throwing device, a collecting and discharging device and an automatic speed regulating system. The deflection angle is monitored in real time, the deviation rectifying action is completed, and intelligent auxiliary driving is achieved; the vibration digging and soil shaking device digs the ginger, shakes soil and removes impurities; the intelligent clamping and conveying device conveys the ginger to the inclined upper part, the feeding amount is dynamically monitored, and intelligent speed regulation is realized; the floating soil cleaning and impurity removing device is used for flexibly removing soil of the ginger bulbs; the stem cutting and seedling slinging device transversely conveys the ginger plants to complete stem cutting and seedling slinging; the collecting and discharging device can dynamically detect the weight of the ginger in the collecting frame and quantitatively and automatically complete discharging; the ginger harvester is low in breakage rate, high in mechanization and intelligence degree, high in universality and adaptability and capable of meeting different ginger harvesting conditions.
Owner:BEIJING UNIV OF POSTS & TELECOMM