24results about How to "Solving Elasticity Problems" patented technology

The utility model discloses a chemical mechanical polishing and planarization system, which at least comprises a polishing head. A plurality of air holes are formed in the lower surface of the hard disc, and a third air cavity communicated with the air holes is formed in the hard disc; at least part of the elastic unit is of an annular structure, the elastic unit is connected with the polishing head body and the hard disc, and a second air cavity is defined by the polishing head body, the elastic unit and the hard disc; a retaining ring; when the third air cavity is in a negative pressure state, the lower surface of the hard disc can make contact with and adsorb the wafer substrate, and the pressure in the second air cavity is controllable, so that the elastic unit is driven to flexibly move, the hard disc and the wafer substrate are assisted to float, and chemical mechanical polishing of the wafer substrate is achieved. The hard drive in the hard disc solves the problem that when the flexible film drives the wafer substrate to polish, the flexible film is pulled to cause fracture or elastic modulus change under the severe polishing condition, and the service life of the flexible piece is prolonged.

The utility model discloses a novel electric vehicle heating handlebar which comprises a support and a rotating pipe capable of rotating relative to the support, an electric heating wire is wound on the rotating pipe, a flange portion is formed at one end of the rotating pipe, and a handlebar sheath is sleeved on the rotating pipe to wrap the electric heating wire. A power line tray fixedly connected with the flange part is arranged between the flange part and the support, and a power line used for supplying power to the electric heating wire is at least arranged on the end face, facing the support, of the power line tray and is coaxially coiled by a plurality of circles with the power line tray. And the power line tray is used for enabling the power line coiled on the power line tray to freely stretch in an arc shape.

The invention provides an elastic contact terminal at the end part of a lamp, which comprises a plug-in frame, the plug-in frame is suitable for being connected to the end part of a shell of the lamp in a matched manner, two conductive elastic sheets are arranged in the plug-in frame at intervals, and the conductive elastic sheets extend along the length direction of the shell; the length of the conductive elastic pieces is larger than that of the plug-in frame, each conductive elastic piece comprises a clamping head exposed out of the plug-in frame, the clamping heads of the two conductive elastic pieces are arranged to be capable of relatively opening and closing, the opposite inner sides of the clamping heads abut against elastic elements, and the deformation restoring force of the elastic elements enables the clamping heads to have the outward opening tendency. The invention aims to solve the problems of insufficient elasticity and permanent deformation caused by long-time use of the reed contact terminal of the small lamp, can ensure continuous and effective contact between the conductive elastic sheet and the conductive strip, remarkably improves the reliability of the lamp and prolongs the service life of the lamp, and has high practicability and economical efficiency.

The utility model belongs to the field of vehicle sheet metal part forming and manufacturing, and provides a novel steel plate negative angle bending die which comprises an upper die plate (1), a lower die plate (9), a male die (4), a fixed female die (10) and a movable female die (11), the upper portion of the male die (4) is T-shaped and clamped into a space formed by two male die fixing plates (5), the section of the lower portion of the male die (4) is provided with two round corners, and the lower portion of the male die (4) is provided with two round corners. The fixed female die (10) is provided with two movable female dies (11), each movable female die (11) is in a notch disc shape, the movable female dies (11) are embedded into the fixed female die (10), the bottom of the male die (4) can be embedded into notches in the movable female dies (11), and a gap between the lower portion of the male die (4) and the inner walls of the notches of the movable female dies (11) can accommodate the thickness of a steel plate. According to the utility model, one set of die can complete two processes of production; the production efficiency of products is effectively improved, the material size can be effectively guaranteed, and the problems of springback and cracks are solved.

The invention discloses a preparation method of a high-thermal-conductivity core-sheath fiber material, and TPU / BN-LMs fiber with a core-sheath structure is prepared by using a coaxial wet spinning technology and taking thermoplastic polyurethane elastomer / boron nitride (TPU / BN) as a sheath layer and liquid metal (LMs) as a core layer. The TPU / BN-LMs composite fiber has good mechanical tensile property, thermal stability, compression resilience and thermal conductivity, and is an ideal high-thermal-conductivity core sheath fiber material. The material solves the problem that the current polymer fiber cannot have both heat conduction and resilience, provides a new research thought for designing and preparing a novel high-heat-conduction and high-resilience polymer fiber material, and can be widely applied to the fields of human body intelligent heat management, intelligent heat control and the like in the future.

The present invention belongs to the technical field of polyether polyol synthesis, and specifically relates to a polyether polyol for low hysteresis loss polyurethane foam tire and a continuous preparation method thereof. The polyether polyol uses a 6-functionality small molecule alcohol as an initiator, a phosphazene catalyst or a phosphazene and an alkali metal catalyst mixed catalyst for catalytic reaction, and adopts a continuous preparation method, with a short production cycle and high yield. The prepared polyether polyol has the characteristics of high functionality, high molecular weight, low unsaturation, narrow molecular weight distribution, etc., and can be used in the preparation of polyurethane foam tires to reduce the compression permanent deformation of the material, reduce endogenous heat, and improve resilience, thereby solving the industry bottleneck problem that the foam tire cannot rebound or rebounds slowly after being loaded.

The present application belongs to the field of logistics information technology and edge computing technology, and discloses a logistics terminal data real-time processing method based on edge computing, which comprises the following steps: initializing a bottom hardware interface, mapping heterogeneous original signals into a unified structured data frame; activating a streaming correlation analysis engine, calculating the joint deviation intensity of multi-modal physical quantities and triggering cross-modal fusion; based on task characteristic fingerprints and system load prediction trajectories, hard binding the task to a specified processor core; realizing business logic atomic switching through double-buffer bytecode hot updating; starting a Markov chain probability state machine to maintain autonomous decision-making and perform incremental differentiated storage when the network is disconnected. The present application improves the real-time performance, reliability and business flexibility of logistics terminal data processing, and is suitable for various logistics terminals that require edge computing for real-time data processing. The present application solves the problems of control response delay and business rule updating difficulty of existing logistics terminals under network fluctuation and high concurrent load working conditions.

The invention discloses a chlorinated carbon nanotube, a chlorinated carbon nanotube-based conductive elastomer, a preparation method and an application. The preparation method comprises the following steps: placing a mixture of carbon nanotubes and a chlorine source precursor in a reaction tube, and then calcining the reaction tube at 400-900°C for 2-5h after vacuum sealing to obtain the chlorinated carbon nanotube; the mass ratio of the carbon nanotube to the chlorine source precursor is 1:(0.4-2.3). The chlorinated carbon nanotube prepared by the present invention can improve the surface activity of the carbon nanotube, help to enhance the direct interface interaction with the silicone elastomer, effectively improve the interface strength of the carbon nanotube and the matrix silicone rubber, solve the defects of the traditional carbon nano-based conductive filler and the silicone rubber interface bonding force being weak and difficult to achieve high conductivity and high elasticity; the prepared chlorinated carbon nanotube-based conductive elastomer has high conductivity, high tensile properties and high strength.

The invention discloses water pipe right-angle forming pipe bending equipment for 6G water purifier production and processing, and relates to the technical field of 6G water purifier production, the water pipe right-angle forming pipe bending equipment comprises an anti-cracking mechanism, the anti-cracking mechanism is arranged at the position, close to the edge, of the surface of a base, and the anti-cracking mechanism is used for supporting the right-angle position of the inner side face of a thin-wall water pipe; the anti-cracking mechanism comprises a clamping assembly. According to the water pipe right-angle forming pipe bending equipment for production and processing of the 6G water purifier, a motor is driven to control a lead screw to rotate, an anti-springback mechanism slides and moves downwards on the surface of a supporting body through lifting force of threads, the anti-springback mechanism pushes a thin-wall water pipe to be bent into a right angle, and the bent portion of the surface of the thin-wall water pipe makes direct contact with the surface of a contact wheel; the contact wheel supports the bending position of the water pipe, the thin-wall water pipe is supported through the elastic force of the clamping assembly and the blocking table, and the problem that when the thin-wall water pipe of the water purifier is bent, the water pipe is broken due to stress concentration of the right-angle portion is solved.

A kind of distributed attack-resistant domain management and control method and system for giant constellation, the present application relates to satellite constellation management and control technical field, the present application aims at solving the problem of cooperative management and control and attack-resistant resilience maintenance of multi-layer heterogeneous giant constellation in dynamic topology environment.Technical points: the present application takes the management and control node satellite as core, combines with the cluster head satellite and ordinary satellite in domain, forms distributed management and control domain structure.The structure undertakes cross-orbit communication switching and distributed cooperative management and control function, effectively deals with the cooperative management and control challenge brought by the difference of multi-orbit satellite in operation cycle, communication topology and communication time delay;Introduce multi-element maximum entropy trust model: based on fuzzy C clustering algorithm and maximum entropy principle, construct dynamic trust evaluation system, and comprehensively quantitatively analyze the trust degree of distributed nodes.Through real-time identification of high-risk nodes and implementation of isolation measures, significantly reduce the interference of malicious satellite to inter-satellite data transmission, improve system security.The present application realizes the efficient cooperative management and control and attack-resistant ability enhancement of multi-layer heterogeneous giant constellation, provides key technical support for stable operation of giant constellation under complex threat environment.

Photovoltaic panel, organic infrared reflective film and reflective coating and its preparation method and application; the raw materials of the photovoltaic panel organic infrared reflective coating include: vinyl acetate copolymer and compound A; the compound A is: the compound A is filled in the vinyl acetate copolymer, and the organic photovoltaic panel infrared reflective film after curing utilizes the compound A to keep good infrared reflective characteristics, also based on the performance of the vinyl acetate copolymer, the film is elastic, and the problem of poor elasticity and easy cracking of the oxide infrared reflective coating of the traditional photovoltaic panel is solved.

The utility model relates to a spring assembling machine of a track socket electricity taking mechanism, which comprises a vibration disc feeding device and a press fitting device connected with the vibration disc feeding device, the press fitting device comprises a workbench, a material receiving table mounted above the workbench, a material pushing mechanism mounted on the outer side of the material receiving table and a material pressing mechanism arranged above the material receiving table, the press-fitting device is connected with the vibration disc feeding device through the material receiving table, the press-fitting device further comprises a fixing support and a sliding base connected with the fixing support in a sliding mode, and the material receiving table, the material pushing mechanism and the material pressing mechanism are all connected to the sliding base. According to the technical scheme, through collaborative design and function integration of all the mechanisms, the defects of manual spring installation in the prior art are effectively overcome. All the mechanisms form an automatic process of feeding, positioning and press fitting through the linkage design of the sliding seats, the conveying, pushing and press fitting processes of springs do not need to be manually intervened, efficient, accurate and automatic assembling of the springs of the track socket electricity taking mechanism is achieved, and the production efficiency is greatly improved.

The utility model relates to the technical field of mice, and discloses a split type mouse key which is characterized in that an accommodating space is arranged in a mouse shell; the key assembly is arranged at the front end of the upper surface of the mouse shell; the elastic support comprises a main body and an elastic arm, the main body is connected with the mouse shell, the elastic arm extends to the position of the key assembly, and the elastic arm is connected with the key assembly; and after the key assembly is pressed by external force, the elastic arm rebounds and resets the key assembly. According to the utility model, the keys made of different materials can be effectively rebounded, and the hand feeling of the keys of the mouse is improved.

The utility model relates to the technical field of motorcycle goods shelf machining, in particular to a bending device which comprises a base, a moving structure and a bending assembly, the bending assembly comprises a pressing part, a mounting seat, a placing table, a longitudinal fixing part and two transverse fixing parts, when steel is bent, one side of the steel is placed on the placing table, and the other side of the steel is placed on the mounting seat; the longitudinal fixing part is controlled to press downwards to the surface of the steel on the placing table, then the transverse fixing parts on the two sides are controlled to get close to the two sides of the steel and abut against the two sides of the steel, and after the steel is fixed, the pressing part is controlled to press downwards the other side of the steel to complete bending of the steel to form a rough model of the motorcycle rear goods shelf. Therefore, the problem that according to existing bending equipment, the downward pressing area of the tail portion of the bolt is too small, so that steel pops up or deviates when the steel is bent is solved.

The invention discloses high-elasticity and high-weather-resistance modified asphalt and a preparation method thereof. The preparation method comprises the following steps: performing high-speed shearing swelling on paraffin-based matrix asphalt, hydrogenated nitrile rubber powder and nano silicon dioxide powder to obtain an asphalt mixture; the preparation method comprises the following steps: mixing an ethylene-vinyl acetate copolymer, cycloundecane and ethylene glycol monoethyl ether acetate to obtain an ethylene glycol monoethyl ether acetate solution, and emulsifying an asphalt mixture and the ethylene glycol monoethyl ether acetate solution to obtain the high-elasticity and high-weather-resistance modified asphalt. The asphalt and the ethylene-vinyl acetate copolymer form a new chemical bond through an emulsification reaction, and cycloundecane improves the density and hardness of hydrogenated butadiene-acrylonitrile rubber and fills gaps in the asphalt, so that the crystallization ability between rubber molecules and asphalt molecules is improved, the crystallinity of the asphalt is improved, and the mechanical property of the asphalt is improved. The cohesive force and elasticity of the asphalt can be enhanced, so that the elasticity and weather resistance of the asphalt are improved, and the defects of insufficient elasticity and weather resistance of the asphalt in the prior art are overcome.

The utility model belongs to the field of underpants, and discloses three-dimensional shaping underpants which comprise an underpants body, and the underpants body is provided with an abdomen shaping area and a hip shaping area. The fabric of the belly shaping area is of a breast raising weave structure or a false rib weave structure formed by weaving warp yarns and weft yarns; the hip shaping area comprises a first hip bearing area or a second hip bearing area, the first hip bearing area is of a smooth transition X-shaped structure so as to mainly bear the hip from the inner side of the hip, and the second hip bearing area is of a smooth transition W-shaped structure so as to mainly bear the hip from the lower portion of the hip. The first hip bearing area is of a plain weave structure or a mesh weave structure formed by weaving warp yarn and weft yarn, and the fabric of the second hip bearing area is of a breast raising weave structure or a false rib weave structure formed by weaving warp yarn and weft yarn. Based on fat distribution and pressure conditions, different textile weave structures are adopted for supporting and shaping, so that shaping is more accurate, and the problem that a single material is insufficient in elasticity or uneven in elasticity distribution is solved.

The invention relates to the technical field of batteries, in particular to a dispersing agent and a preparation method and application thereof. The dispersing agent is a copolymer and comprises a main chain formed by copolymerization of an oil-soluble olefinic unsaturated monomer unit M1 and an olefinic unsaturated monomer unit M2 containing anhydride and / or carboxyl; the polymer side chain R1 is grafted on the M2 unit of the main chain and contains an ether bond and / or an ester bond; and the side chain R2 is grafted on the M2 unit of the main chain and contains an amide group. Wherein the polymer side chain R1 guarantees the long-term dispersion stability of the particles through a steric hindrance effect; the side chain R2 captures moisture and neutralizes acidic impurities through an amide group of the side chain R2, so that chemical passivation of the lithium supplementing agent is realized, and a gas production side reaction is inhibited from the source; and the main chain further optimizes the overall stability of an electrode interface by enhancing the compatibility of each component, so that the synergistic improvement of the processability, storage stability and electrochemical cycle performance of the slurry is realized.

This invention relates to a rubber head thinning fixture and its application method, comprising a movable platform, on which a rubber head holding plate, two racks, and two movable frames are arranged; a rubber head roller is arranged above the rubber head holding plate, and both ends of the rubber head roller are mounted on the movable frames via movable components. Gears are fixed to the ends of the rubber head rollers and mesh with the racks; a crank handle is provided at either end of the rubber head roller as a driving component; in use, the crank handle is cranked forward, and the gears drive the rubber head roller to rotate while moving forward along the racks, crushing the rubber head; after reaching the limit position, the crank handle is cranked in the opposite direction, driving the rubber head roller to return to its original position; this invention achieves reciprocating rolling thinning of the rubber head through a purely mechanical structure, with a simple and stable structure, requiring no electric drive, and can be flexibly used between different machines, effectively solving the problem of rubber heads being too large to be directly crushed.

The utility model discloses a high-precision lifting platform, which relates to the field of lifting platforms, and comprises a platform, a driving system is arranged at the bottom of the platform, and the driving system is divided into a main driving mechanism and an auxiliary driving mechanism; the main driving mechanism comprises a rigid chain, the slave driving mechanism comprises a hydraulic cylinder, the rigid chain can accurately control the lifting accuracy of a product, but the lateral thrust resistance of the rigid chain is poor, so that the hydraulic cylinder is used for stably supporting the lifting equipment, and the lateral thrust resistance of the whole equipment is improved; the high-precision butt-joint lifting device is suitable for high-precision butt-joint lifting work, especially for loading and unloading work of missiles, and the problem that missiles fail to be loaded or safety accidents occur due to insufficient precision is solved; relative synchronism between the hydraulic cylinder and the rigid chain is achieved, and it is guaranteed that the lifting stability of the platform is further improved. And the defects of the hydraulic cylinder and the rigid chain are overcome.

The utility model provides a battery cell module, a battery module and a battery pack. The battery cell module comprises two battery cell monomers (1), and the two battery cell monomers (1) are arranged at an interval along the expansion direction of the battery cell monomers (1); the elastic device (2) is arranged between the two battery cell monomers (1), the elastic device (2) comprises a first side plate (3) and a second side plate (4) which are oppositely arranged along the expansion direction of the battery cell monomers (1), and a plurality of springs (5) arranged between the first side plate (3) and the second side plate (4), one of the two battery cell monomers (1) is positioned on one side, far away from the second side plate (4), of the first side plate (3), and the other of the two battery cell monomers (1) is positioned on the other side, far away from the second side plate (4), of the second side plate (4). And the other one of the two battery cell monomers (1) is positioned on one side, far away from the first side plate (3), of the second side plate (4). The battery cell module disclosed by the utility model can effectively solve the problems that the traditional foam shows obvious stress loss and the rebound resilience is reduced in an all-solid-state battery.

The utility model relates to the technical field of vehicles, and discloses a cover body, a battery pack and a vehicle, the cover body comprises: a main body, the main body comprises connecting parts and recessed parts which are alternately arranged along a first preset direction, and the recessed parts sink relative to the connecting parts; according to the cover body provided by the invention, an original integral main body is structurally divided into a plurality of surface structures with smaller sizes, and the rigidity of a part structure is inversely proportional to the cubic of a force arm, so that the rigidity of the part structure is improved, and the rigidity of the part structure is improved. The force arm of a single face structure smaller in size is smaller, so that the torsion resistance of the single face structure is higher, the first reinforcing structure is arranged on the connecting part, the first reinforcing structure can improve the overall strength of the connecting part, meanwhile, the connecting part is divided into a plurality of small areas with smaller force arms, and therefore the torsion resistance of the connecting part is improved. And the local torsion resistance of the connecting part is further improved, so that each part of the main body is more difficult to generate rebound deformation.

The invention belongs to the technical field of titanium alloy material processing, and discloses a titanium alloy foil straightening method based on cooperative control. According to the method, constant-tension unwinding, pulse current auxiliary heating, whole-process synchronous transverse stress application, pulling-bending composite cycle straightening, flatness closed-loop control and constant-tension winding are adopted for conducting composite collaborative straightening on the titanium alloy foil. The method has the core advantages that the three core processes of focused pulse current heating, transverse stress applying and circulating straightening are synchronized and coordinated, and cracking and springback are inhibited from the source; and by matching with double closed-loop control of real-time temperature control of the temperature sensor and flatness closed-loop control, the technical problems that the titanium alloy foil is easy to crack during straightening, serious in rebound, uneven in breadth stress and substandard in flatness are solved in a targeted manner, and the temperature and flatness precision is remarkably improved.

The invention discloses automatic production equipment and an automatic production method for an automobile spare tire cover. The automatic production equipment comprises an unwinding and leveling device, a servo feeding and punching device, a forming and edge rolling device, a cutting mechanism and a central control system. The unwinding and leveling device is used for unwinding and leveling the roll-shaped processing material; the servo feeding and punching device is used for receiving the leveled materials, achieving accurate stepping feeding of the materials and synchronously completing punching operation of preset positions. The forming edge rolling device is used for receiving the punched material, extruding and forming the flat-plate-shaped material into an arc section with a preset specification, and then performing edge rolling forming on the flat-plate-shaped material; and the cutting mechanism is used for receiving the rolled and formed material and cutting the rolled and formed material according to the preset length and angle to obtain a spare tire cover finished product. According to the spare tire cover production line, time sequence cooperation of all machining steps and continuous non-offset conveying of materials are achieved, full-process automatic production of spare tire covers from material rolling to finished products is finally achieved, and the production efficiency and the product consistency are improved.

The utility model discloses a real-time monitoring device for heat treatment of a spring. The real-time monitoring device comprises a current acquisition module, a main control module and an alarm, the current acquisition module is connected with the heat treatment equipment and is used for acquiring real-time current data when the heat treatment equipment works; the main control module is electrically connected with the current acquisition module, the alarm and the heat treatment equipment; the current acquisition module is used for sending acquired real-time current data to the main control module; and the main control module is used for comparing the real-time current data with a threshold value preset by the system, and controlling the alarm to give an alarm and controlling the heat treatment equipment to execute shutdown operation when the real-time current data in the comparison result is greater than the threshold value preset by the system. According to the utility model, the current of the heat treatment equipment is monitored in real time by adopting an external mounting type design, and an alarm is given and the heat treatment equipment is controlled to shut down when the current exceeds a preset value, so that the problem that the final finished product quality is influenced due to overlarge current when the existing heat treatment equipment without springs is used for processing work is solved.