193results about How to "Improve transmission stability" patented technology

The invention provides a smart power grid data communication optimization method based on edge calculation, and relates to the technical field of smart power grids, and the method comprises the steps: obtaining an inspection topology network of a target power grid; performing multi-angle communication analysis to obtain K power transmission equipment communication feature tuple sets and L inspection site communication feature tuples; carrying out edge step identification to obtain M edge topology sub-networks; performing balanced configuration of sub-network service resources to obtain M edge computing servers; performing routing inspection by using a routing inspection unmanned aerial vehicle and a routing inspection robot to obtain routing inspection video data of L sites; and distributing the data to M edge computing servers for data preprocessing, and uploading the data to a cloud computing center for routing inspection data analysis to obtain a routing inspection analysis result. According to the invention, the technical problem of low data processing efficiency caused by data transmission delay and overweight network load due to the fact that power grid monitoring generally depends on centralized data processing in the prior art is solved.

The invention, which relates to the technical field of digital information transmission, discloses an AI technology-based digital information transmission sharing operation and maintenance platform comprising a data acquisition module, an AI intelligent analysis module, a frequency spectrum dynamic allocation module, a data classification and transmission optimization module, and a storage adaptation module. According to the method, the spectrum resource utilization efficiency and the transmission stability are optimized, the platform can accurately master the spectrum use condition in real time through the AI real-time spectrum sensing and dynamic frequency allocation technology, the platform can quickly identify idle spectrums and dynamically allocate optimal frequencies for different services in the face of a complex and changeable wireless environment, spectrum congestion and interference are avoided, and the service quality of the system is improved. The fluency of bandwidth and time delay sensitive services is guaranteed, and the transmission interruption risk is reduced.

The invention aims to provide a new energy high-frequency wire harness design method based on electromagnetic compatibility optimization, and relates to the technical field of new energy, and the method comprises the steps: 1, building a new energy high-frequency wire harness type electromagnetic source model, and obtaining the electromagnetic source intensity; calculating a spatial electromagnetic field intensity based on the electromagnetic source intensity; step 2, calculating equivalent transmission line parameters based on the space electromagnetic field intensity; based on the equivalent transmission line parameters, frequency-dependent characteristic impedance is calculated; step 3, calculating crosstalk voltage according to the frequency-variable characteristic impedance; calculating a radiation field of the new energy high-frequency wire harness; calculating the shielding effectiveness of the new energy high-frequency wire harness according to the radiation field; 4, according to the step 1, the step 2 and the step 3, constraint conditions are set, an objective function under the constraint conditions is established, and the objective function is solved through iteration to find the corresponding optimal design parameter vector of the new energy high-frequency wire harness. According to the invention, the transmission stability and the anti-interference capability of the new energy high-frequency wire harness are significantly improved.

The utility model provides an electrocardiogram electrode patch. The electrocardiogram electrode patch comprises a transmission part, a first attaching part and a connecting wire, the transmission part is used for being detachably connected with electrocardiogram detection equipment, and the first attaching part is used for being attached to a to-be-detected first target position; the transmission part is connected with the first attaching part through the connecting line; the transmission part comprises a shielding grounding contact and a first transmission contact; the first attaching part comprises a first flexible circuit board, and the first flexible circuit board comprises a first shielding layer and a detection contact layer; the connecting line comprises a signal transmission core and a second shielding layer wrapping the signal transmission core. The first shielding layer is connected with the shielding grounding contact through the second shielding layer, and the detection contact layer is connected with the first transmission contact through the signal transmission core. By means of the configuration, signals and interference signals can be transmitted independently, and the stability of electrocardiosignal transmission can be effectively improved.

The utility model discloses a FAKRA board end connector, comprising an alloy seat, the alloy seat is provided with a fixing groove and a power connection sleeve, and the fixing groove is communicated with the power connection sleeve; the plug-in shell is connected to the power connection sleeve, a plug-in cavity is formed in the plug-in shell, and a limiting opening is formed in the top surface of the plug-in shell; the terminal assembly is inserted into the fixing groove and extends to the power connection sleeve, and the terminal assembly comprises an upper-row insulator, a lower-row insulator, an upper-row conductive terminal and a lower-row conductive terminal, and the upper-row conductive terminal and the lower-row conductive terminal are arranged in the upper-row insulator and the lower-row insulator and extend to the power connection sleeve; the first shielding sheet is inserted between the upper-row insulator and the lower-row insulator and electrically isolates the upper-row conductive terminal from the lower-row conductive terminal; the second shielding sheet is inserted in the rear part of the fixing groove; the upper row of conductive terminals and the lower row of conductive terminals are respectively provided with a plugging section, a connecting section and a welding section which are arranged in sequence, and the whole welding section is |-shaped or inverted T-shaped. Wiring of the FAKRA board end connector on the PCB is optimized, and meanwhile the high-speed signal transmission stability is effectively improved.

The utility model discloses a self-driven belt power-assisted counterweight tensioning device which comprises a fixed seat and a matching vertical plate, a matching groove is vertically formed in the fixed seat, and the matching vertical plate penetrates through the matching groove in a vertical sliding fit mode. The bottom of the matching vertical plate is provided with a balance weight tensioning assembly used for conducting tensioning and power-assisted operation on the conveying belt. The conveying belt tensioning device has the beneficial effects that the counterweight tensioning assembly is arranged at the bottom of the matching vertical plate, so that the tensioning wheel can be upwarped to tension the conveying belt in a mode that the counterweight block of the counterweight tensioning assembly drives the mounting arm to rotate around the supporting shaft, and the tensioning mode of the conveying belt is simple and easy to realize; and meanwhile, due to the fact that the elastic lining of the tensioning wheel is pressed on the surface of the conveying belt, assistance can be conducted on the conveying process of the conveying belt in the mode that the driving motor drives the tensioning wheel to roll, and the conveying stability of the conveying belt can be improved.

The invention relates to the technical field of robots, and provides an actuator, a joint module, a joint arm, a biped robot, a quadruped robot, a four-wheel-foot robot, a humanoid robot and a robotic.The actuator comprises a shell roughly in a hollow cylindrical shape, a motor assembly and a speed reducer assembly, and the speed reducer assembly comprises an inner gear ring roughly in a hollow cylindrical shape; the inner gear ring is embedded in the shell and fixedly connected with the shell through a plurality of first fasteners, and the first fasteners are arranged in the radial direction of the shell so that the shell can be fixedly connected with the inner gear ring in the radial direction. The actuator can be set to be smaller in axial size and radial size, the requirements for compactness and miniaturization of products in the field of robots at present are met, meanwhile, matching and installation of the shell and the inner gear ring are facilitated, assembly errors are reduced, and the transmission precision and stability of the actuator are improved.

The invention relates to the technical field of industrial data processing, and provides an industrial heterogeneous data processing system for multi-protocol conversion through a state machine, which comprises a first finite-state machine and a second finite-state machine which are configured in advance; wherein the first finite-state machine is configured with a configurable protocol stack triggered by different industrial heterogeneous data, and the second finite-state machine is configured with a communication interface set triggered by different conversion protocols; when the first finite-state machine receives to-be-processed industrial heterogeneous data, determining a target processing server and a data type; triggering a corresponding target communication protocol in a configurable protocol stack according to the data type; after the target communication protocol is triggered, according to the target processing server, centrally triggering a corresponding target data interface to be docked with the target server through the communication interface of the second finite-state machine; wherein the target data interface is not unique.

The invention discloses an optimization method of a distributed edge computing network, relates to the technical field of network transmission optimization, and solves the technical problem that the strict requirements of the distributed edge computing network on efficient and stable data transmission are difficult to meet due to lack of comprehensive perception and targeted optimization strategies for a network environment. Transmission paths are accurately classified into stable transmission paths and unstable transmission paths, data transmission planning is performed for different types of paths, and for the stable transmission paths, a reasonable transmission strategy is formulated according to a comparison result of the data capacity of high-demand data and the transmission capacity of the paths in unit time, so that the transmission efficiency is improved. High-efficiency transmission of high-demand data is realized; for an unstable transmission path, edge node storage or optimized transmission is performed according to the access frequency of low-demand data, the advantages of each transmission path are brought into full play, and the situation of unreasonable utilization of the transmission path is avoided.

The toothless harmonic reducer comprises an inner flexible gear, an outer flexible gear and a wave generator, and the inner flexible gear and the outer flexible gear are not provided with teeth; the inner flexible gear partially protrudes outwards in the radial direction under the action of the wave generator, the friction ring is pressed between the outer wall of the inner flexible gear and the inner wall of the outer flexible gear, torque is transmitted through friction, and the reduction ratio is achieved through the perimeter difference between the outer wall of the inner flexible gear and the inner wall of the outer flexible gear. In order to enhance the friction force, a friction ring is arranged between the inner flexible gear and the outer flexible gear, and the elastic modulus of the friction ring is smaller than that of steel, so that micro-compression deformation can be realized to ensure contact.

The invention discloses a handwriting and screen projection picture superposition system, which is characterized by comprising a screen projection emitter, a receiving end, a writing device, a camera and a display terminal, the screen projection transmitter communicates with the receiving end through WiFi, and transmits a screen projection picture signal to the receiving end; the writing device communicates with the receiving end through Bluetooth, WiFi or a USB interface, and the sensor module is used for detecting pen starting and pen falling actions; through real-time synchronization of handwriting, screen projection pictures and camera pictures, unified output of a plurality of video sources is ensured, the interaction experience is remarkably improved, a buffer area mechanism is introduced, the problems of packet loss, delay and jitter are effectively solved, the continuity of video streams is ensured, and in addition, through a synchronization mechanism combined with timestamp information, the real-time performance of the system is improved. The real-time synchronous display of the handwriting and the video frame is ensured, the delay or dislocation phenomenon is avoided, meanwhile, an Alpha hybrid processing module is introduced, and the pixel fusion of the handwriting and the screen projection picture is realized through an algorithm to optimize the visual effect.

The invention discloses a sensing optical cable for detecting vibration, and belongs to the technical field of communication cables, the sensing optical cable for detecting vibration comprises an inner layer sensing optical fiber, a TPEE sleeve, an inner layer water-blocking fiber paste, a PBT sleeve, an outer layer water-blocking fiber paste and an outer sheath in sequence from inside to outside; the inner-layer water-blocking fiber paste and the outer-layer water-blocking fiber paste are both optical fiber filling paste; the optical fiber filling paste is prepared from paraffin-based hydrogenated white oil, poly-alpha-olefin synthetic oil, epoxy vinyl silicone oil, an oil separation inhibitor, a polyisobutene material, siloxane modified polyvinyl alcohol, organic ammonium modified bentonite, ferric acetylacetonate and an antioxidant. The sensing optical cable for detecting vibration is simple in structure, has excellent mechanical strength, toughness, gas barrier property, waterproofness, corrosion resistance, high and low temperature resistance, wear resistance, aging resistance, flame retardance and the like, can still ensure high stability and high sensitivity of optical fiber vibration detection in harsh environments such as underwater or underground, and prolongs the service life of the sensing optical cable.

This application provides a cross-application service scheduling and execution method and system in a vehicle environment, relating to the field of intelligent vehicle system technology. It acquires known service-related data of the vehicle system, as well as environmental perception data and user voice information of the vehicle environment; parses the user voice information to obtain target demand information, intent association information, and voice feature information; forms scene adaptation parameters based on environmental perception data; generates multiple second instruction transmission signals based on target demand information; detects each target demand information based on service-related data, intent association information, voice feature information, and scene adaptation parameters, obtains detection results, and combines these with the second instruction transmission signals to schedule and execute multiple cross-application services in the vehicle environment, generating service scheduling and execution results. This achieves dynamic coordination and orderly scheduling of cross-application services, improving the response accuracy and execution security of the vehicle system in complex driving scenarios.

The invention belongs to the technical field of synchronizers, and discloses a helicopter synchronizer and a using method thereof.The helicopter synchronizer comprises a driving device and a synchronous sleeve, a shifting fork is fixedly connected to the surface of the outer surface of the synchronous sleeve, a planet carrier is arranged on one side of the synchronous sleeve, a machine box shell is arranged on the other side of the synchronous sleeve, and the outer surface of the planet carrier is sleeved with combination teeth; the driving device is rotationally connected with the shifting fork through a second rotating shaft, the lower end of the synchronous sleeve is fixedly connected with a support, the lower end of the support is provided with a switch unit, the switch unit is electrically connected with the driving device, and the switch unit controls the synchronous sleeve to be meshed with or separated from the combination teeth, so that the helicopter tail rotor is driven to operate. The electric push rod is used for replacing hydraulic drive, hydraulic leakage is avoided, and the switch unit comprises a first switch and a second switch; electric signals are sent to the driving device through the switch unit, so that the working state of the driving device is controlled.

The utility model discloses an edge grinding device for processing a protective air-tight door, which comprises a working table, a first supporting piece is arranged on one side of the upper surface of the working table, the first supporting piece is rotatably connected with two groups of first belt wheels, one end of a shaft rod of one group of first belt wheels is connected with a driving assembly, and the two groups of first belt wheels are in transmission connection with an abrasive belt. The abrasive belt can be tensioned through the tensioning assembly, a limiting roller is arranged on the inner side of the abrasive belt, and the limiting roller can move in the horizontal direction through the moving assembly and can also be matched with the lifting assembly to push the abrasive belt to move downwards to make contact with the air-tight door. The limiting rollers can flexibly move in the horizontal direction and the vertical direction, so that accurate polishing of different positions and shapes of the air-tight door is achieved, the flexibility greatly improves the efficiency and accuracy of polishing operation, and due to the fact that the limiting rollers can freely move in the horizontal direction and the vertical direction, the polishing efficiency is greatly improved. Therefore, the device can meet the polishing requirements of the air-tight doors of different sizes and shapes.

The utility model discloses a kind of moulding press products moulds of convenient blanking, it is related to moulding press mould technical field, including adjusting box, several support columns are installed in the adjusting box bottom, the support column fixedly connected base, the stamping station is installed in the adjusting box surface, two lower moulds are equipped on the stamping station, upper mould is equipped above the lower mould, the base side surface is equipped with fixed frame, movement is driven by telescopic cylinder drive transmission rod, top platform and transmission seat, top platform is lifted up lower mould inner moulding press completed workpiece upward, simultaneously, transmission seat drives both sides connecting rod linkage, connecting rod drive rotating rod rotates around rotating shaft, rotating rod drives sector gear swing, make sector gear and rack mesh transmission, drive rack drives sliding block directional sliding along slide groove, sliding block further drives lower mould synchronous movement, this linkage process makes when top platform lifts workpiece, two lower moulds automatically separate workpiece to two sides, effectively avoid scratching workpiece surface to improve product quality.

The application relates to a gear expansion sleeve structure for coaxially fastening a gear on a connecting shaft, which comprises an inner pressure expansion sleeve, an outer pressure expansion sleeve and adjusting screws, the inner pressure expansion sleeve is axially symmetrically sleeved on the outer surface of the connecting shaft, the inner surface of the inner pressure expansion sleeve is gradually abutted against the outer surface of the connecting shaft; the outer pressure expansion sleeve is axially symmetrically sleeved on the inner diameter of the gear, and the end portion is abutted against the end surface of the gear, the outer surface of the outer pressure expansion sleeve is gradually abutted against the inner surface of the inner pressure expansion sleeve; the adjusting screws are provided with a plurality of end portions penetrating through the inner pressure expansion sleeve and the outer pressure expansion sleeve, and the inner pressure expansion sleeve is axially moved by being extruded through the axial movement of the adjusting screws, and is abutted against the inner surface of the outer pressure expansion sleeve and the outer surface of the connecting shaft, and the outer surface of the outer pressure expansion sleeve is extruded to the inner surface of the gear. The application realizes the stability between the gear and the connecting shaft, makes the component combination force more reasonable, and ensures the stability of the overall structure.

The utility model relates to permanent magnet motor technical field, concretely relates to a kind of permanent magnet motor suitable for oilfield pumping equipment, including speed reducer, the input end of speed reducer is fixedly connected with input shaft, the outside of one end of input shaft is fixedly connected with shaft sleeve, the outer wall of shaft sleeve is fixedly connected with rotor iron core, the outer wall of rotor iron core is fixedly connected with multiple equidistance evenly distributed permanent magnet, the outer wall of speed reducer near input shaft is fixedly connected with mounting flange, the side wall of mounting flange is provided with front end cover, and the side wall of front end cover is provided with machine shell.Compared with prior art, after the structure design of increasing air gap is used, even if slight axial displacement or radial swing occurs in the running process of rotor iron core, the interference between permanent magnet and stator iron core can be effectively avoided, and the reliability and adaptability of motor under high impact, high vibration working condition are improved.

This utility model discloses a coating machine for processing silicone protective film, including a coating frame, a transmission roller group, a coating seat, a pressing mechanism, a feeding end seat, a feeding mechanism, a discharge end seat, and a winding mechanism. The transmission roller group is arranged on the surface of the coating frame. A coating seat is arranged on one side of the top surface of the coating frame. A pressing mechanism is arranged on one side of the coating seat. A feeding end seat is installed on one side of the pressing mechanism. A feeding mechanism is arranged above the surface of the feeding end seat. A discharge end seat is arranged below one side of the outer wall of the coating frame. A winding mechanism is arranged above the surface of the discharge end seat. The feeding mechanism and the winding mechanism have the same structure. A traction roller is installed at one end of the coating frame. This silicone protective film coating machine improves coating efficiency and uniformity. The connection design between the various components is reasonable, facilitating disassembly and cleaning. In particular, the identical structure of the feeding mechanism and the winding mechanism makes maintenance simpler.

This utility model's electric mining truck gearbox features a three-speed design that allows selection of the most suitable gear based on different working conditions, optimizing power output to meet the power requirements of mining trucks, increasing the coverage of the motor's high-efficiency zone, improving the overall efficiency of the gearbox, and effectively reducing energy consumption. Based on the powerful performance provided by the multi-motor configuration, it enhances the flexibility and efficiency of the drive system. The front intermediate shaft assembly is coaxially connected to the output end of the power coupling assembly, and the rear intermediate shaft extends into the front intermediate shaft assembly and is coaxially aligned with the output end of the power coupling assembly, forming a compact parallel shaft structure. This fully utilizes the radial space of the gearbox and reduces its axial dimensions, thereby reducing the gearbox's volume and facilitating overall vehicle layout. Furthermore, the front and rear intermediate shaft assemblies share the radial and axial loads during transmission, reducing gear stress and improving the transmission stability and reliability under harsh working conditions, thus enhancing the gearbox's adaptability to various operating conditions.

The utility model relates to the technical field of plate machining equipment, in particular to cutting equipment and a plate machining production line, the cutting equipment comprises a conveying part, a pressing stabilizing assembly and a cutting part, a cutting station is arranged on the conveying part, and the cutting part and the pressing stabilizing assembly are both arranged in the cutting station; the conveying part can convey the piece to be subjected to edge trimming to the cutting station in the first direction. The stable pressing assembly is arranged above the conveying plane of the conveying part and can be close to and away from the conveying part, so that when the cutting part cuts the to-be-edge-trimmed piece, the stable pressing assembly can abut against the to-be-edge-trimmed piece, and the stable pressing assembly can apply pressure to the conveying part to the to-be-edge-trimmed piece. According to the cutting equipment and the plate processing production line, the conveying stability of the pieces to be subjected to edge trimming is effectively improved, the vibration amplitude of the pieces to be subjected to edge trimming in the conveying process is effectively reduced, and then the probability that the pieces to be subjected to edge trimming are deviated in cutting, uneven in edge and the like due to vibration is effectively reduced.

The invention discloses an aircraft formation cooperative control method, and relates to the technical field of aerospace, and the control method comprises the specific steps: S100, information collection and preprocessing: deploying a plurality of sensors on an aircraft, collecting the state information of the aircraft and the surrounding environment information through a collector, and carrying out the real-time preprocessing of the collected information, according to the method, reference is provided for aircraft formation flight by researching an information transmission mechanism and a position adjustment rule between individuals in bird flight, the stability and flexibility of formation flight are ensured by constructing an aircraft performance evaluation index system and determining formation leader and following in combination with specific flight mission requirements, and meanwhile, the method has the advantages of being high in reliability and high in reliability. According to the method, multiple factors such as maneuverability, reliability, fuel reserve and cruising ability of the aircraft are considered, a scientific basis is provided for determination of the leader through quantitative evaluation, and the determination of the leader not only improves the adaptability and the strain capacity of formation flight, but also provides a new thought for cooperative control of aircraft formation.

The utility model belongs to the roll driving auxiliary structure technical field of roll grinder, especially relates to a numerical control roll grinder roll driving mechanism, include: positioning seat, connecting seat, gland and locking piece, be provided with positioning groove on the positioning seat, the positioning groove is the arc type structure that is suitable for the axle head outer profile of roll, the connecting seat sets up on the positioning seat, the connecting seat is coaxial distribution with the positioning seat, the positioning seat can be connected with the drive end on roll grinder head frame, the side of the gland close to the positioning seat is the arc type structure that is suitable for the axle head outer profile of roll, the gland can be along the radial of roll the axle head of roll is pressed in the positioning groove in the positioning seat, the locking piece can lock and unlock the gland with the positioning seat, compared with the prior art, the utility model solves the contact stress concentration, the back gap and inertia impact vibration and the higher problem such as cost of existing in prior art.

This invention belongs to the field of space laser communication and deep space exploration technology, and discloses an integrated detection device for space laser communication monitoring and interaction. The device includes a main body, on which are integrated a solar panel, a navigation imaging device, a communication antenna, a communication receiver, a radar, a landing support, and functional components for communication monitoring, environmental perception, and interactive operation. This invention forms a closed-loop system through electrical, signal, and mechanical connections, enabling simultaneous execution of multiple tasks, significantly improving the device's space operation efficiency, reducing the load pressure on space launch vehicles, and adapting to the space constraints of on-orbit operations. The communication antenna and receiver achieve bidirectional signal interaction through a high-speed laser communication module and are linked with the navigation imaging device and environmental sensors to ensure stable transmission and status monitoring of laser communication signals, which is beneficial for practical applications and operations.

The utility model discloses a die cutting adhesive tape attaching jig, which belongs to the technical field of die cutting processing technology and comprises a main body, two ends of the main body are provided with through holes, bolts penetrate through the through holes, the upper surface of the main body is fixedly provided with a sliding guide rail, and a bearing plate is slidably mounted in the sliding guide rail. Adjusting grooves are formed in the two ends of the bearing plate correspondingly, and adjusting plates are slidably mounted in the adjusting grooves. The main body is arranged to be matched with the sliding guide rail, the bearing plate, the product clamping seats and the adhesive tape clamping seats for use, the product clamping seats and the adhesive tape clamping seats are connected together through the connecting plates, the product penetrates through the two product clamping seats, and the adhesive tape penetrates through the adhesive tape clamping seats. When a product shakes, the rubber strip shifts synchronously, so that the fitting stability of the red rubber strip and the main body is ensured, good fitting accuracy is ensured, the problem of NG fitting deviation of the rubber strip caused by shaking, dislocation and deviation of the product is effectively prevented, and customer complaints are effectively reduced.

The invention belongs to the technical field of flexible piezoelectric sensors, and relates to a carbon felt-hydrogel composite piezoelectric sensor and a preparation method thereof. The sensor comprises a piezoelectric sensing layer, a cross-scale dual-network hydrogel layer, an electrode layer, a leading-out wire and a packaging layer, the two cross-scale dual-network hydrogel layers are arranged on the upper side and the lower side of the piezoelectric sensing layer in a stacked mode to form a sandwich structure. The cross-scale dual-network hydrogel layer is an elastic hydrogel material formed by compounding a carbon fiber felt skeleton and a molecular-level network polymer, and the molecular-level network polymer penetrates through the interior and the surface of the carbon fiber felt skeleton and is formed by cross-linking and curing; the number of the electrode layers is two, and the two electrode layers are arranged on the outer sides of the two cross-scale dual-network hydrogel layers in a stacked mode respectively. The lead-out wire is electrically connected with the electrode layer; the packaging layer wraps the outer side of the electrode layer. According to the sensor, the mechanical property, the conductivity and the stability of the flexible piezoelectric sensor can be improved.

The utility model belongs to joint bearing technical field, specifically speaking is a kind of detachable rod end joint bearing, including fixed subassembly, connecting component and bearing assembly;Fixed subassembly contains the fixed seat of installation slot, three threaded holes and thread groove, bolt is tightened bearing outer ring in threaded hole, and threaded rod is fixedly connected in thread groove;Connecting component contains connecting rod and one end integrally formed double-threaded threaded tube, threaded tube outer thread cooperates with thread groove, inner thread cooperates with threaded rod, and three are coaxial;Bearing assembly contains outer ring, inner ring, ball and retainer, ball is rollingly engaged between two circular arc grooves.The utility model realizes that each component can be detached, and damaged component can be replaced separately, reduces maintenance cost, improves assembly flexibility and transmission efficiency, shortens maintenance downtime, and is suitable for engineering machinery, automation equipment and other transmission scenes.

The utility model discloses a coaxial cable with a coating structure, which comprises an elastic middle shaft sleeve, the side end of the elastic middle shaft sleeve is fixedly connected with first mounting rings, the first mounting rings are symmetrically distributed at the left end and the right end of the elastic middle shaft sleeve, a spring conductor is arranged in the elastic middle shaft sleeve, and the first mounting rings are fixedly connected with the spring conductor. The left end and the right end of the spring conductor are fixedly connected with butt joint conductors. The butt joint sleeves are connected with the elastic middle shaft sleeve in a sleeving mode, the butt joint sleeves are fixedly connected with the first mounting ring through bolts, and the butt joint sleeves are symmetrically distributed at the left end and the right end of the elastic middle shaft sleeve; according to the coaxial cable, the elastic middle shaft sleeve, the spring conductor, the butt joint sleeve, the insulated cable pipe and the bolt form an elastic tensile structure, so that the coaxial cable can cope with high-strength tensile force in the use process, the tensile capacity of the coaxial cable is enhanced, and the durability of the coaxial cable is ensured.

The application relates to the technical field of data transmission control, and discloses a DICOM image routing method and system based on port multiplexing. By binding a shared DICOM port and listening to a connection request, multiple backend DICOM receiving nodes can share a unified access port, a command set and a data set are selectively parsed according to a command type, a structured session context is constructed, routing judgment is upgraded from a traditional coarse-grained mode based on a source IP and a source port to a fine-grained mode based on protocol semantics, a routing decision module adopts a multi-field rule matching and index acceleration mechanism, can improve rule screening efficiency and reduce matching delay in a scene with more concurrent connections, and a routing optimization module dynamically evaluates in combination with running state information and transmission performance information of candidate target DICOM receiving nodes, so that a communication bottleneck can be avoided, in which a fixed transmission path is long-term concentrated on part of nodes.

A device for straightening rice stubble for mechanical harvesting and rolling of regenerated rice, wherein an upper support reinforcement plate and a lower support reinforcement plate are welded to a straightening transmission mechanism, an upper straightening mechanism and a lower straightening device are respectively fixed on the upper support reinforcement plate and the lower support reinforcement plate, and the straightening transmission mechanism adopts a frame to fix the relative position between transmission bevel gears, thereby effectively reducing the phenomenon of bevel gears jumping due to impact and improving transmission stability; at the same time, the cross-section of the anisotropic straightener is L-shaped, and its top can gather the rice stubble, making it easier to lift up the rolled rice stubble and improve the success rate of straightening, thereby improving the damaged morphology of the rolled rice stubble, promoting the self-repair of the rolled rice stubble, and improving the germination of axillary buds in the regeneration season; and the device has a compact structure, is easy to install, and has strong practicality.