114 results about "Double chain" patented technology

The invention provides a double-chain fusion product quality tracing method and system applied to a production line. The method comprises the following steps: firstly, collecting comprehensive data of each production node and attribute information containing a unique stage number; according to the total number of production stages, randomly selecting nodes with different numbers as initial clustering centers, and grouping all the nodes according to stage attributes by using a reverse clustering algorithm to form a node cluster; and constructing a basic traceability chain for each node cluster, and integrating data in corresponding stages to generate a distributed account book. And then screening core nodes from each basic chain to establish a cross-stage quality tracing chain, and realizing synchronous updating and inter-chain data verification of the core nodes on basic account books through an intelligent contract. And finally, a whole-process data tracing service is provided based on a quality tracing chain, and the information credibility is guaranteed by using the non-tampering characteristic of the block chain. According to the invention, product quality tracing with high reliability and high credibility can be realized.

The present invention introduces a dual-chain property management system that integrates blockchain-based tokens with off-chain government and institutional property records to provide secure, verifiable, and legally recognized asset transactions. Unlike existing blockchain-based property solutions, this system prevents unauthorized tokenization, enforces compliance with jurisdictional property laws, and synchronizes title records dynamically. A concurrency management module eliminates double-minting risks, while a discrepancy resolution engine continuously detects and corrects mismatches between blockchain and legal registries. Smart contracts automate ownership transfers, lease agreements, lien tracking, and compliance enforcement, ensuring fraud-resistant transactions in real estate, vehicles, intellectual property, luxury goods, and financial instruments. This innovation enables legally binding digital property transfers with real-time regulatory oversight, bridging the gap between decentralized asset tokenization and traditional legal frameworks. By automating verification, synchronization, and compliance, the system creates a scalable, transparent, and jurisdictionally compliant property management ecosystem.

The invention provides a double-chain-based air-space-ground fusion vehicle-mounted network security authentication system and method, and belongs to the technical field of intelligent transportation, in an air-space-ground fusion vehicle-mounted network, a vehicle-mounted unit, a road side unit, an unmanned aerial vehicle node and a satellite node interact through a trusted mechanism and a double-chain architecture, after interaction in a single domain is completed, cross-domain interaction is performed, and the security authentication of the vehicle-mounted unit, the road side unit, the unmanned aerial vehicle node and the satellite node is completed. The authentication token is stored on the block chain after being obtained in the first interaction, and the quick interaction can be completed by directly calling the authentication token subsequently. According to the invention, through the double-chain block chain architecture, the authentication time delay is optimized, the cross-domain authentication efficiency is improved, and the privacy protection problem of the node in a high dynamic environment is effectively solved.

The utility model relates to a grass clearing device which comprises a lower bin, a grass clearing device and a grass clearing device. The double-chain-wheel roller is rotationally arranged on the lower bin, and the double-chain-wheel roller is used for assisting in feeding forage into the lower bin; the feeding rollers comprise a first feeding reinforcing roller and a second feeding reinforcing roller, and the two ends of the first feeding reinforcing roller and the two ends of the second feeding reinforcing roller are rotationally connected with the lower bin; the supporting roller is located on the lower portion of the front bin and can turn over along with the front bin; the transfer cylinder group is used for transferring the forage to the rear bin; the first feeding reinforcing roller, the second feeding reinforcing roller, the supporting roller and the transfer cylinder set are each provided with a plurality of protruding blocks. Through rotation of the lower bin and arrangement of the protruding blocks, when the lower bin returns, forage is driven to enter the rear bin through the lower feeding roller, the forming speed is increased, blockage caused by the forage is prevented, and the forage is removed through the upper forced separation roller when the lower bin ascends. The utility model further relates to a round baler.

A method for determining characteristics of a first chain and a second chain of a matched pair of parallel chains of a twin-chain conveyor includes driving the chains at a predetermined speed and determining a first time interval between first and second pins of the first chain passing a first sensor and a second time interval between first and second pins of the second chain passing a second sensor both when the conveyor is loaded (a loaded time interval) and unloaded (an unloaded time interval). Also determining a difference between the respective loaded time intervals and the unloaded time intervals as a degree of elongation of each chain and a difference between the loaded time interval of the first chain and a loaded time interval of the second chain as a differential elongation of the conveyor.

The application claims a kind of anonymous fast identity authentication method for Internet of Vehicles based on double-chain architecture and national secret algorithm, comprising: constructing double-chain system, building system operation framework, including cloud chain, dynamic chain and in-vehicle TEE trusted environment;Initialization system, initialize system parameters, including cryptography curve selection, etc.;Real-name registration, vehicle submits its real identity information to cloud chain for registration, and obtains exclusive digital certificate after success;Pseudonym generation and registration of vehicle, vehicle first generates pseudonym Token locally, then calls the certificate and Token as parameters to call the evidence chain smart contract for anonymous identity registration;Anonymous fast authentication between vehicles, based on dynamic chain between vehicles, anonymous fast authentication between vehicles is realized through pseudonym Token and DH secret key negotiation algorithm.The application is based on double-chain architecture and national secret algorithm, and the evidence chain constructs vehicle node real information network, responsible for the real information trace of malicious node;Dynamic chain provides efficient two-way authentication protocol support between vehicles.

The invention provides a data processing method and system based on a double-chain block chain, electronic equipment and a medium, and relates to the technical field of block chains. According to the specific implementation scheme, in response to a received first transaction request sent by a transaction information chain, transaction key information carried in the first transaction request is obtained; generating an enterprise information request based on the transaction key information, and sending the enterprise information request to an enterprise information chain; and obtaining transaction enterprise information fed back by the enterprise information chain based on the enterprise information request, and generating a transaction verification result of the first transaction request based on the transaction enterprise information. According to the technical scheme of the application, sensitive information of an enterprise is separated from transaction data by adopting a double-chain block chain architecture, and a data association and verification mechanism between double chains is designed, so that any node on the block chain can complete verification of transaction authenticity without knowing the sensitive information of each party participating in the transaction; and the data security and credibility of the supply chain financial system are improved.

The application discloses a kind of double-chain ring power distribution network carrying capacity analysis method, device and electronic equipment, it is related to power distribution network technical field, wherein, method includes: obtaining the distributed photovoltaic power data, the distributed wind power data, the operating state of independent energy storage and the load of distribution network load corresponding to double-chain ring power distribution network;Distributed photovoltaic power data, distributed wind power data, the operating state of independent energy storage and load are respectively extracted features, and a variety of feature data are obtained;Multiple feature data are input into neural network model, and the carrying capacity of double-chain ring power distribution network is calculated based on neural network model.Such, under the premise of ensuring the safety and reliability of power distribution network, the access of distributed new energy, energy storage, load is optimized, and the multi-element interaction ability of source, network, load and storage is improved.

The utility model discloses a double chain disc transmission relates to bicycle technical field, including the speed regulator of being located on handle and the speed change piece on the vehicle body, and the speed regulator is connected with the speed change piece through the speed change line, including double chain disc transmission, and the double chain disc transmission includes the gear change disc, low speed chain disc, high speed chain disc and crank that combine in proper order, and low speed chain disc is fixedly connected with the crank, and high speed chain disc is connected with the crank through the bearing, and low speed chain disc and high speed chain disc are separately connected with the chain respectively, and the linkage mechanism is equipped on the crank, and the control of high speed chain disc is carried out through the interaction between the gear change mechanism on the gear change disc and the linkage mechanism on the crank. The utility model discloses through low speed chain disc, high speed chain disc connects and drives respective chain respectively, and the gear change disc is used to control the switching of gear, and the gear change is stable and easy 360 degrees dead angle free, will not stir the chain separation of chain, and all internal parts are realized through mechanical structure, and do not involve any electronic device, and the production manufacturing cost is low.

The present invention relates to pairing of two chains of a multispecific construct and uses thereof.

A sequence for forming an editing substrate together with a target RNA editing site. The sequence and the upstream and downstream portions of the target RNA editing site form a specific double-chain secondary structure, so that efficient editing of the target RNA editing site is realized.

The invention discloses a time-to-digital converter based on a vernier double-chain structure, and relates to the technical field of integrated circuits. The converter comprises a signal holding circuit, a vernier double-chain rough measurement module, a data selector, a special time amplifier module and a digital coding unit, the vernier double-chain rough measurement module is composed of a main delay chain and a vernier delay chain, and 10ps-level rough measurement is achieved by adjusting the width-to-length ratio of an MOS tube of a phase inverter to control the delay difference of a unit. The data selector gates a residual time difference signal to the special time amplifier module, and the special time amplifier module is matched with a transmission gate through an RC network to realize 11mV / ps high-linearity time-voltage conversion; the digital coding unit integrates the rough measurement result and the accurate measurement result, and finally the 3.0 ps system resolution is achieved. A'rough measurement-fine measurement 'two-stage measurement architecture is adopted, a single-amplifier time division multiplexing design is adopted, a measurement dead zone is effectively eliminated, the chip area and power consumption are greatly reduced, and the device is particularly suitable for high-precision time measurement application such as laser radar and quantum calculation.

The utility model belongs to the technical field of sludge treatment equipment, and particularly relates to a double-ring chain scraper conveyor suitable for sheet-shaped dry sludge cakes, which comprises a machine body, two gears rotationally connected to two end parts of the machine body, and a scraper conveyor belt connected to the two ends of the machine body, the chain is arranged on the two gears in a matched mode; the scrapers are fixedly connected to the chain at equal intervals; and the material storage frame is located below the discharging port of the machine body, and a discharging component is installed on a supporting frame fixed to the top of the material storage frame. The double-row chain type mud cake conveyor and the double-chain type structure are arranged, the scrapers distributed at equal intervals are fixed to the two chains, and mud cakes are located between the two rows of scrapers in the using process, so that the mud cakes are better in stability and cannot fall off in the conveying process, meanwhile, the discharging component is arranged on one side of the machine body, and the conveying efficiency is improved. The mud cake can be looser, subsequent transportation is facilitated, and the problems that at the present stage, a device is poor in operation stability, prone to falling and the like are solved.

The invention relates to the technical field of hydraulic lifting equipment, in particular to a precise double-chain hydraulic floor lifting machine which comprises a rack, a carrier, a double-chain transmission mechanism, a hydraulic driving mechanism and a connection guide mechanism, the rack comprises an outer frame, an inner frame, a top frame and a bottom frame, and the top frame and the bottom frame are welded to the tops and the bottoms of the outer frame and the inner frame respectively; the double-chain transmission mechanism comprises a lifting rod arranged between the top frame and the bottom frame in a sliding mode and chain wheels rotationally arranged at the two ends of the lifting rod through bearings, chains meshed with the chain wheels are arranged on the surfaces of the chain wheels, and the hydraulic driving mechanism comprises two mounting plates symmetrically and fixedly arranged on the inner wall of the outer frame. By arranging the double-chain transmission mechanism and the hydraulic driving mechanism, the lifting machine adopts double-chain synchronous transmission and hydraulic closed-loop control, so that the lifting machine has high precision and high stability, and the problems of inclination and inaccurate positioning of traditional equipment are solved.

A multi-direction horizontal pushing chain transmission device relates to the technical field of linear transmission devices, and comprises a guide rail mechanism and an interlocking pushing chain. The interlocking pushing chain is a double-chain structure composed of two single chains in meshing interlock. The double chain has rigidity and is a linear pushing chain. The head of the linear pushing chain is used to push articles. The guide rail mechanism comprises a double-chain guide rail for the double-chain structure to travel in the middle and single-chain guide rails connected at the head and tail of the double-chain guide rail and located on both sides of the double-chain guide rail. The length of the single chain is greater than that of the single-chain guide rail, and the double chain can push or move target articles back and forth within the range of the double-chain guide rail and can be output from the left end or the right end of the guide rail mechanism and push or pull target articles outside the guide rail mechanism. The device can meet the requirements of long distance, bidirectional movement, high speed, high rigidity, high precision, good stability, large load, high efficiency, low noise and small space occupation, and can realize multi-directional linear transmission.

The invention discloses an Internet of Vehicles cross-domain authentication and key agreement method based on a double-chain structure. The method comprises the following steps: generating system public parameters based on a trusted authority and writing the system public parameters into a main chain; generating a corresponding identity encryption value, a reputation value, an area number and a vehicle and road side unit binding value based on the road side unit registration information; generating a virtual identity, a secret value and a binding parameter of the vehicle based on the vehicle user registration information; the vehicle obtains a binding value of the vehicle and the roadside unit based on the binding parameter and initiates authentication to the roadside unit to obtain an area number; when the vehicle needs cross-domain communication, the vehicle generates a hidden identity and a cross-domain request based on target area verification node information, and a verification node generates an aggregation signature and an encryption seed after verifying the cross-domain request; the main node verifies the legality of the vehicle based on the aggregation signature, and decrypts the encrypted seed to obtain a seed; and the main node queries in the main chain based on the area number and the virtual identity of the vehicle to obtain a secret value, and verifies the session key based on the secret value and the seed.

The utility model provides a novel vertical limiting structure for lifting of a paper pile platen. The up-and-down limiting structure adopts a double-chain-wheel and double-chain mode, and the double chain wheels are the lifting chain wheel and the limiting chain wheel; the double chains are a lifting chain and a limiting stroke chain. According to the up-down limiting structure, the lifting chain is driven to ascend or descend through the work of the lifting chain wheel and the limiting chain wheel, so that the limiting stroke chain moves along with the lifting chain, and the limiting contact on the limiting stroke chain and the three proximity photoelectric points preset on the photoelectric induction control device can generate induction; therefore, the preset ascending, speed reduction and stopping positions of the paper pile bedplate are accurately controlled. The up-and-down limiting structure is installed in an outer cover of the paper collecting machine and can be prevented from being collided in the transportation process, and normal operation of the structure is not affected. The upper and lower limiting structures are simple to process, practical, wear-resistant and free of replacement in production, and the production cost of products is reduced.

1. Name of the designed product: watchband (double chain). 2. Use of the designed product: watchband for watch. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1. 5. Other views are omitted because the faces are not commonly used in use and have been embodied in perspective views 1-6.

The invention provides a chain lifting conveying structure and equipment using the chain lifting conveying structure, the chain lifting conveying structure comprises a first chain lamination conveying assembly and a second chain lamination conveying assembly which are distributed in parallel at intervals in the Y direction, and the first chain lamination conveying assembly and the second chain lamination conveying assembly are the same in structure; each gear comprises a plurality of gears, a double-chain and a plurality of trays, the gears are distributed in an S shape in the Z direction, the last gear and the first gear are distributed in parallel at intervals in the X direction, and the penultimate gear and the second gear are distributed in parallel at intervals in the X direction; the last but one gear and the last but one gear are distributed in parallel at intervals in the X direction, all the gears are connected in series through double chains, and a plurality of trays are evenly fixed to the double chains. Stable conveying in the up-and-down direction and the front-and-back direction can be achieved, the layout of the up-and-down space is fully utilized, the use space is greatly saved, and the conveying efficiency is improved.

The present invention discloses a main-chain and side-chain dual-chain interactive power transaction interaction method, device and storage medium, the method comprising: obtaining transaction declaration information of new energy power plants and power users and uploading it to the blockchain main chain; according to the transaction declaration information, with the goal of minimizing the power purchase cost of power users and maximizing the revenue of new energy power plants, calculating the market clearing electricity price and clearing electricity quantity for each time period a day ago and synchronizing them to the side chain; obtaining the power demand of power users in each time period of the day and subtracting the clearing electricity quantity of the corresponding time period a day ago, to obtain the power deviation of the corresponding time period; according to the power deviation of each time period and a preset deviation assessment threshold, determining the buyer user and seller user participating in the deviation transaction in the corresponding time period of the day and the quotation strategy; according to the buyer user and the seller user and the quotation strategy, with the goal of minimizing the cost of absorbing power deviation, calculating the deviation transaction result and synchronizing it to the main chain; the present invention can improve the efficiency and security of transactions.

The utility model provides a double-chain conveying device for irradiation processing of a trolley. The double-chain conveying device for irradiation processing of the trolley comprises a bottom plate. A chain conveying assembly is arranged at the top of the bottom plate. The chain conveying assembly comprises an inner chain part arranged on the front side of the top of the bottom plate, an outer chain part is arranged on the top of the bottom plate and located on the rear side of the inner chain part, and a trolley rail part is arranged on the top of the bottom plate and located on the side, opposite to the outer chain part, of the inner chain part. According to the double-chain conveying device for trolley irradiation processing, the irradiation trolleys are alternately driven to move forwards through the arrangement of the inner chain and the outer chain, the stability of the irradiation trolleys can be guaranteed, meanwhile, the irradiation trolleys are sequentially arranged to be irradiated after entering an irradiation area, the distance between the trolleys is small, the ray utilization rate is increased, and the production efficiency is improved. And meanwhile, compared with an existing partial double-chain conveying structure, the device is more compact in structure and low in failure rate, and the construction cost of the shielding body is greatly reduced.

The utility model relates to the technical field of marinated egg production, and discloses a broken skin cleaning device in the marinated egg production process, which comprises a fixing frame, two double-chain-wheel long shafts are rotatably connected onto the fixing frame, and a power motor for driving the double-chain-wheel long shafts to rotate is arranged on the fixing frame. A plurality of elastic silica gel strips can apply friction force to eggs while rotating, meanwhile, a water circulation assembly on a circulation water tank is started, so that a C-shaped washing assembly sprays water to the eggs, and residual egg shells on the surfaces of the eggs can be separated under the impact force of water flow and the continuous friction force of the elastic silica gel strips; residual eggshell fragments on the surfaces of the eggs can be effectively cleaned through the uniform cleaning assembly and the C-shaped flushing assembly, so that the problems that the cleaning effect of eggshells with high adhesive force is poor when the eggs are cleaned only through impact force generated by stirring water flow in a traditional mode, the eggs are easily damaged during stirring, and the cleaning effect is poor are solved. The appearance quality of the eggs is influenced.

The utility model relates to the field of transmission chains, and particularly discloses an integrated parallel chain which comprises outer side chain pieces and reinforcing chain pieces, two opposite ends of the outer side chain pieces are provided with chain pins used for being in pin joint with the reinforcing chain pieces, the two outer side chain pieces are symmetrically arranged, and the reinforcing chain pieces are located between the outer side chain pieces. Gear cavities are reserved between the two sides of the reinforcing chain piece and the corresponding outer side chain pieces, a protection pad is arranged at the top of the reinforcing chain piece, protection wings are arranged on the two sides of the protection pad, tooth grooves allowing teeth to be inserted therein are formed in the protection wings, the two ends of each outer side chain piece are provided with a pre-assembling part and a connecting part respectively, and the pre-assembling part and the connecting part are of an integrated structure. According to the chain link, the reinforcing chain piece is additionally arranged between the two outer side chain pieces, due to the fact that the reinforcing chain piece directly replaces two original additional chain pieces, the production cost can be reduced in the machining production process, and due to the fact that the reinforcing chain piece separates the two outer side chain pieces, the chain link of the structure can form a parallel chain of a double-chain structure.

The utility model relates to food processing automation equipment technical field, concretely relates to a kind of double chain plate tray arranging machine conveying device based on gear and rack drive.The utility model provides a kind of double chain plate tray arranging machine conveying device based on gear and rack drive, including tray arranging machine body and the conveying mechanism located tray arranging machine body one side;The movable plate is slidably connected with the guide rail on the side of the conveying mechanism of tray arranging machine body;The rack is fixedly connected on the outside of guide rail of movable plate, the bottom of rack is engaged with driving gear, and movable rack is moved by driving gear, so that movable plate connected with rack slides along guide rail;Adjustable belt drive system for driving conveying belt is equipped on the tray arranging machine body and conveying belt;The conveying mechanism includes two parallelly arranged food-grade chain plates, and two chain plates are symmetrically installed on the conveying mechanism, and two side chain plates are synchronously linked.

A chain tensioning method of a double-chain transmission device comprises the steps that the tensioning force of an upper chain and the tensioning force of a lower chain are obtained firstly, then an upper jacking device and a lower jacking device are arranged, then the distance between action points is measured, then the upper jacking device and the lower jacking device work to preliminarily tension the upper chain and the lower chain, then the lower jacking force is worked out, and finally the tensioning force of the upper chain and the tensioning force of the lower chain are obtained. Then the lower jacking device works until the displayed numerical value reaches the lower jacking force, the lower jacking device stops working, then the upper jacking force is solved, the upper jacking device works until the displayed numerical value reaches the upper jacking force, the upper jacking device stops working, then the distance between the base and the driven end is measured, and a grinding cushion block is matched and fixed; the upper chain and the lower chain are tensioned on line on the transmission device, and the upper chain and the lower chain are mutually tensioned, so that the transmission effect is stable. Therefore, according to the design, the chain can be tensioned on line, and the transmission effect is stable.

1. Name of the designed product: bracelet (double chain). 2. Use of the designed product: used as bracelet jewelry. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The intelligent double-chain integrated conveyor comprises a mechanical transmission assembly and an intelligent control assembly, the mechanical transmission assembly comprises a right-angle type rack and machine bases installed at the two ends of the rack, a partition plate is arranged in the middle of the rack, chain cylinders are rotationally installed on the inner sides of the two machine bases, and the two chain cylinders can rotate at differential speed; a plurality of chain teeth are arranged on the chain barrel at equal angles, two chains are installed at the two ends of the chain barrel through the chain teeth, a plurality of scrapers are installed on the two chains at equal intervals, and end grooves matched with the ends of the scrapers are formed in the two sides of the interior of the rack. The path difference between the inner chain and the outer chain during right-angle turning is automatically compensated through the differential mechanism, operation is stable, scraper clamping stagnation and abnormal chain abrasion are avoided, the service life of equipment is prolonged, and the conveying efficiency is improved.

1. Name of the product in this design: Hammered Bicycle Double Chainwheel. 2. Purpose of this design: For use in bicycle chainrings. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The utility model discloses a double-chain scraper conveyor, and relates to the field of conveyors. The transmission device comprises a transmission assembly and a transmission supporting block. The conveying assembly comprises an outer shell, a supporting column is arranged at the bottom of the outer shell, a transmission gear is arranged outside the outer shell, a supporting block is arranged outside the outer shell, a side strip is arranged outside the supporting block, a transmission belt is arranged in the outer shell, and a transmission chain wheel is arranged outside the outer shell in a penetrating mode. Through combination of the auxiliary box and the supporting frame, accurate control over the position of the conveying plate can be achieved, the conveying requirements of different materials can be better met, compared with a traditional design scheme, the conveying outlet can be adjusted by simply adjusting the positions of the first auxiliary plate and the second auxiliary plate, the operation process is greatly simplified, and the production efficiency is improved. The operation difficulty is reduced, and transmission parameters can be flexibly adjusted in a large range.