143 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 invention provides an equipment network comprehensive scheduling method based on an improved Jaya algorithm aiming at the condition that the migration time of working procedures between equipment is ignored in the existing flexible equipment network comprehensive scheduling method. The method is mainly divided into four parts. Wherein a double-chromosome coding method based on a process chain and an equipment chain is designed in the coding part, a coding method based on a quasi-schedulable process set and a random process coding method are designed in the process chain coding aspect, and the legality of a generated individual is ensured; in the aspect of the equipment chain, an equipment coding method based on short time and a random equipment coding method are designed to ensure that equipment distributed in the process is machinable equipment; a double-chain updating operation of updating a process chain first and then updating an equipment chain is designed in the updating part; in the decoding part, an equipment idle insertion decoding strategy considering migration time is designed; local search operation based on a critical path is designed in the local search part. The feasibility and superiority of the method are verified through experiments.

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.

The utility model relates to a three-dimensional glass storage rack applied to the field of glass production, which comprises a lifter frame, an electric hoist is fixedly connected to the top of the lifter frame, a lifting bucket is slidably connected in the lifter frame, and the electric hoist is fixedly connected with the lifting bucket through a steel wire rope. A plurality of conveyor supporting frames are arranged on the right side of the elevator frame, double-chain conveyors are arranged on the tops of the conveyor supporting frames and in the elevator bucket, connection sensors are fixedly connected to the rear ends of the double-chain conveyors, a glass bracket is arranged on the top of the double-chain conveyor located in the elevator bucket, and each double-chain conveyor comprises two conveyor frames. By the adoption of the elevator frame and other structures, the device is easy to operate and convenient for workers to use, when the device is used, the upper layer and the lower layer can store glass, the space of a storeroom is fully utilized, more glass can be stored in the limited space, and the production cost of enterprises can be effectively reduced.

The utility model belongs to the technical field of liquefied gas packaging production, and provides a single-piece conveying bottle blocking mechanism of a double-chain conveying line, which effectively realizes a product blocking and queuing function before an operation procedure. According to the technical scheme, the single-piece conveying bottle blocking mechanism of the double-chain conveying line is installed on the double-chain-set conveying line, a double-chain set is composed of two conveying chains arranged side by side, an ascending chain and a descending chain of each conveying chain are both placed in chain grooves, the chain grooves are both fixed to the ground through supporting frames, and the single-piece conveying bottle blocking mechanism is installed on the double-chain-set conveying line. The single-piece conveying bottle blocking mechanism comprises a queuing blocking fence, supports and a blocking device, the queuing blocking fence comprises two transverse rods arranged on the two outer sides of the conveying line respectively, the two transverse rods are fixed to the supporting frame through a plurality of vertical rods respectively, and the supports are fixedly installed on the two sides, located at an outlet of the queuing blocking fence, of the conveying line respectively. The two supports are each provided with a stop device, and the two stop devices are symmetrically arranged.

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 provides an electricity-carbon collaborative transaction method and system based on an alliance chain double-chain architecture, and the method comprises the steps: carrying out the network initialization, and guaranteeing that all participating nodes meet the operation requirements of HyperledgerFabric; secret keys and certificates are generated, and identity certificates and secret keys of all organizations in the network are generated through an encryption tool provided by Fabric; defining a configuration and creation block, creating a configuration file to define an organization structure of a network, and reserving a channel and chain code configuration of the network; two channels are configured, and two independent channels are established for the electricity market and the carbon emission permit market; submitting a user transaction, including user identity verification, transaction proposal generation and endorsement node endorsement; transaction verification and packaging, including transaction packaging and sorting, and block verification and submission; and intelligent contract auditing: triggering the intelligent contract, auditing the electricity and carbon data and processing abnormal data. The transaction efficiency and the data security can be improved, and the market transparency and the collaborative operation of the electricity and carbon market are promoted.

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 belongs to the technical field of genetic engineering, and particularly relates to application of turnip crinkling virus protein P38 to regulation and control of double-chain binding protein of arabidopsis thaliana. Research finds that turnip crinkling virus protein P38 interacts with Drb7.1 and Drb7.2, expression of Drb7.1 and Drb7.2 can be reduced, the growth capacity of yeast in an SD / -Leu / -Trp auxotroph culture medium and an SD / -Leu / -Trp / -His / -Ade auxotroph culture medium is improved, and a research result lays a foundation for clarification of a molecular mechanism of TCV P38 regulation and control of Drb7.1 and Drb7.2.

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 discloses a double-group chain integrated adjusting mechanism which comprises a first shaft and a second shaft, the first shaft is sleeved with the second shaft, one end of the second shaft is provided with an adjusting flange, the adjusting flange is sleeved with the first shaft, the first shaft is provided with more than one first chain wheel, and the second shaft is provided with more than one second chain wheel. The adjusting flange comprises a first adjusting block, a fixing device and an adjusting device, the fixing device is fixedly connected with the second shaft, a second adjusting block is arranged on the second shaft, and the adjusting device is in threaded connection with the second adjusting block and the first adjusting block; the adjusting flange controls the distance between the first adjusting block and the second adjusting block through the adjusting device so as to adjust the angular position between the first shaft and the second shaft. According to the double-group chain integrated adjusting mechanism, a plurality of chains are divided into two groups to be adjusted, the angular position of the chain group can be adjusted at a time without dismounting, the adjusting time is saved, a user can operate the mechanism conveniently, and the mechanism is safe.

The present invention discloses a double-speed chain transmission device, a roller line scan detection system and a detection method, and belongs to the field of mechanical transmission and roller surface detection. The double-speed chain transmission device of the present invention includes a double-speed chain group and a sprocket. The roller in the double-speed chain group is installed on the roller pin shaft, and the double-speed chain group cooperates with the sprocket; it also includes a self-rotation drive mechanism, which includes a synchronous belt and a pulley arranged on the roller pin shaft. The pulley and the roller are relatively fixed. When the synchronous belt is running, the roller is driven to rotate by the pulley. Based on this device, the roller line scan detection system of the present invention can rotate the roller evenly on the roller surface, so that the surface defects of the roller can be detected by a line scan camera, which is helpful to improve product quality.

The invention discloses a single-side driving conveying device. The conveying device comprises a rotating shaft, the rotating shaft is perpendicular to the conveying direction, the rotating shaft comprises a first end area and a second end area, the first end area is provided with a conveying unit and at least one guiding device, and the second end area is provided with a supporting wheel; the rotating shaft and the workpiece holding part are arranged in the processing cavity, rails are arranged on the two sides of the processing cavity, the rail direction is the same as the conveying direction, and the supporting wheels move along the rails. According to the invention, the problems of complex structure and inconvenience in maintenance of a double-chain-driven turnover conveying structure in the prior art are solved.

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.