16results about How to "Ensure operability" patented technology

The utility model discloses a coupler for an automatic coupler of a railway vehicle, which belongs to the technical field of railway trains and comprises a mounting seat, connecting seats are arranged on two sides of the mounting seat, a first bearing plate and a second bearing plate are respectively arranged on the two connecting seats, and sliding bearings are rotatably connected onto the first bearing plate and the second bearing plate. A car coupler lock pin shaft is arranged between the two sliding bearings, a first clamping jaw is fixedly connected to the side, away from the first bearing plate, of the car coupler lock pin shaft, a second clamping jaw is connected to the first clamping jaw in a clamped mode, the second clamping jaw is rotationally connected into a bearing seat, and the bearing seat is fixedly connected to a second connecting seat. The side, away from the first clamping jaw, of the second clamping jaw is fixedly connected with a ball head connecting assembly, the slight dislocation phenomenon can be avoided when the coupler for the car coupler is assembled, and the situation that the connecting stability of a hook system is lowered, and hitching or unhooking of the car coupler is not facilitated is avoided.

The invention discloses a method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae, which is characterized in that four active ingredients including hesperidin, nobiletin, tangeretin and 2-methylamino methyl benzoate are simultaneously detected through high performance liquid chromatography, and distinguishing is realized according to detection data. The method comprises the following specific steps: preparing a mixed reference solution and a test solution, extracting a test with methanol, performing ultrasonic treatment, and filtering, specific chromatographic conditions are adopted for detection, the detection wavelength of the hesperidin is 283nm, and the detection wavelengths of the other three components are 330nm. Test results show that the contents of the four active ingredients in the Xinhui pericarpium citri reticulatae are high, the content of methyl 2-methylaminobenzoate is not lower than 0.020%, the ratio of the total amount of nobiletin and tangeretin to hesperidin is not lower than 0.17, and related indexes of the pericarpium citri reticulatae are remarkably low. The method is efficient, accurate, stable and reliable, and provides technical support for standardizing market circulation, guaranteeing product quality and promoting standardized development of the Xinhui pericarpium citri reticulatae industry.

The utility model relates to the technical field of anti -icing outdoor bolt, specifically relates to a kind of anti -icing outdoor bolt, comprising: fire hydrant mechanism, the fire hydrant mechanism is equipped with anti -icing mechanism, the lower of fire hydrant mechanism is equipped with sealing mechanism;The fire hydrant mechanism includes fire hydrant shell, the upper end of fire hydrant shell is fixed with sealing top cover, and fire hydrant shell is fixed with fire hydrant inner shell inside.This utility model can remove the plugging of water outlet hole by sealing sleeve moving with heat preservation cover, make residual water in fire hydrant inner shell discharge quickly through water outlet hole, reduce the possibility of icing from source, the cooperation of sealing ring and movable rod can also quickly plug water outlet hole when using, ensure normal water outlet function, and the outer surface of the connecting shell of sealing mechanism is embedded with heating ring, can continuously heat the connecting place with underground pipeline, avoid the connecting part icing rigid under low temperature, ensure that device can still be normally opened and operated in severe cold environment, guarantee emergency use demand.

The invention discloses a self-organizing learning path optimization method and system based on learning behavior mining, and relates to the field of path optimizing.The self-organizing learning path optimization method based on learning behavior mining comprises the following steps that S1, data are collected, and a library is built; s2, presetting a judgment benchmark, dividing the data to remove redundancy, and integrating to form a data set; s3, preprocessing the data set, extracting core features by using an algorithm through differentiation, and constructing a double-dynamic model in combination with a library; s4, formulating a path criterion, and optimizing to obtain a multi-version push reference and path adaptation range; s5, calling the path candidate set, and generating a personalized self-organizing learning path candidate scheme; s6, implementing the candidate scheme, and collecting data in real time and integrating to form double reports; and S7, a threshold value is preset to judge double reports. According to the invention, through full-period multi-dimensional learning data acquisition and hierarchical cognitive archive library construction, targeted extraction of learning adaptation rhythm and scene adaptation habits is realized.

The invention relates to an optical element testing system, in particular to an optical element performance testing system and method based on ultralow-temperature high-vacuum coupling, and aims to solve the problem that an existing testing system cannot test the performance of an optical element while simulating an ultralow-temperature and ultrahigh-vacuum sequential coupling environment. Precision testing equipment is protected, and all-parameter and multi-attitude stable and accurate testing of the optical element is achieved. The system comprises a testing container and a tested container which are communicated with each other, and a high-reflectivity one-way film evaporation container is arranged in the testing container and used for slowing down temperature and pressure sudden change during vacuumizing so as to protect internal testing equipment; a contact type optical element clamping cold box is arranged in the tested container, is connected with the optical element through a flexible cold chain, and is matched with a liquid nitrogen / gas nitrogen system to realize proportional temperature regulation. The device can safely and truly simulate the extreme environment of a spaceflight deep space, and achieves the stable and accurate testing of all parameters and multiple attitudes of the optical element.

The invention discloses a pet behavior analysis system based on visual intelligence, and relates to the technical field of pet intelligent monitoring. According to the invention, an abnormal pet behavior is marked as a target behavior; determining a scene type according to the video data of the target behavior and the corresponding auxiliary behavior, and determining a behavior cause of the pet based on the target behavior, the auxiliary behavior and the scene type; according to the invention, pet behaviors are comprehensively described by means of multi-dimensional monitoring data, so that one-sidedness of a single data dimension is avoided; the preset reference data covers a general scene, and the scientificity of abnormal behavior judgment is improved through hierarchical analysis and weighted fusion design of the behavior recognition model; according to the method, the target behavior is associated with the auxiliary behavior to expand the data dimension, accurate positioning of the behavior inducement is realized in combination with scene recognition, the problem that the core inducement is difficult to lock by single behavior analysis is solved, and systematic and reliable technical support is provided for pet behavior interpretation.

This invention discloses a method for preparing odor-neutralizing spray granules for sports fields, relating to the technical field of odor-neutralizing spray granules. The steps are as follows: S1 Pre-treatment of waste rubber powder and thermoplastic elastomer, drying of inorganic fillers; S2 Mixing rubber powder and elastomer in an internal mixer, adding plasticizers and activators to prepare a base rubber compound; S3 Modification by adding odor-neutralizing and formaldehyde-removing agents under negative pressure; S4 Plasticizing and extruding the rubber compound into strips using a twin-screw extruder; S5 Water cooling followed by pelletizing to obtain a coarse product; S6 Screening to remove unqualified particles, followed by hot air drying and activated carbon adsorption for secondary odor neutralization to obtain the finished product. The spray granules prepared by this invention have a long-lasting odor-neutralizing effect, good environmental performance, and excellent elasticity, wear resistance, and adhesion strength; the process is highly controllable, the product has uniform particle size, good aging resistance, and is suitable for the spraying needs of various sports fields, while realizing the resource utilization of waste rubber, possessing both practical and environmental value.

The invention discloses a short video auxiliary shooting scoring method based on an AI multi-mode model. The short video auxiliary shooting scoring method comprises the following steps: S10, video acquisition; s20, video analysis: performing multi-dimensional fusion analysis on the standardized video data by adopting a vision-audio-semantic multi-modal fusion analysis algorithm to obtain a multi-dimensional fusion analysis result; s30, score generation: according to a multi-dimensional fusion analysis result, calculating by adopting a dynamic weight adaptive algorithm to obtain a comprehensive score of the to-be-analyzed short video; s40, bright spot identification: extracting index data meeting a quantitative excellent standard from a multi-dimensional fusion analysis result, and identifying and summarizing shooting bright spots of the short video by combining content characteristics of the short video; s50, defect identification is carried out; s60, optimization suggestion generation: on the basis of the identified shooting defects, a targeted overall optimization suggestion is generated in combination with the reservation demand of the shooting bright spots; and S70, outputting a result.

This invention relates to the field of tailings dam monitoring technology, specifically to a multifunctional monitoring mechanism and operating method for tailings dams. A bracket is fixed to one side of a support rod, and a solar panel is fixed to one end of the bracket. A fixed plate is provided on the support rod, and a lifting seat is slidably connected inside the fixed plate. A lead screw is screwed to the surface of the lifting seat, and the top of the lead screw is rotatably connected to the top of the support rod. A bidirectional servo motor is installed at the bottom of the support rod, and a drive shaft is driven to the power output end of the bidirectional servo motor. A connecting sleeve is fitted between the drive shaft and the lead screw, and two bolts are inserted into the tube of the connecting sleeve. Multiple handles are fixed to the bottom of the lead screw, and a GNSS monitoring station is installed at one end of the lifting seat. The advantages are: by setting up a bidirectional servo motor in cooperation with the lead screw, the lifting seat can be electrically driven to raise and lower the GNSS monitoring station, facilitating monitoring or maintenance; in the event of a power outage, the bolts between the connecting sleeve and the lead screw and drive shaft can be removed, allowing manual operation of the lead screw to raise and lower the lifting seat.

The utility model relates to a motorcycle structure, a motorcycle is provided with a frame unit, and the frame unit is at least provided with a head tube. The periphery of the frame unit is covered with a vehicle body cover unit, and the vehicle body cover unit is at least provided with a front panel and a knee shielding cover; a starting and unlocking sensor and a starting and unlocking controller which is in telecommunication connection with the starting and unlocking sensor are arranged between the knee shielding cover and the front panel; the upper end of the knee shielding cover is provided with a flat shoulder part, and the starting and unlocking sensor is arranged below the shoulder part; the starting and unlocking controller is arranged below the starting and unlocking sensor and is closer to the front panel; therefore, the use convenience of the starting and unlocking sensor can be improved, and a message connecting line between the starting and unlocking controller and the starting and unlocking sensor can be shortened.

The present application relates to the field of exploration survey, disclose a kind of rock sampling pose calculation method for field geological reconnaissance robot, comprising: the color image and depth image of target area are collected by depth camera, and three-dimensional point cloud is generated;Based on multi-scale geometric feature analysis, combined with spatial distribution constraint and confidence score, candidate points are automatically screened from point cloud, and stable sampling points and their pixel coordinates are output by time sequence smoothing and stability discrimination;Local depth data is extracted in the neighborhood of sampling point and converted into local point cloud, and the three-dimensional position and surface normal vector of the point in camera coordinate system are calculated using plane fitting algorithm;The position and normal vector are converted to the base coordinate system of mechanical arm using the pre-calibrated hand-eye conversion matrix, and the complete pose of the end effector is constructed based on the normal vector, and the target pose matrix is obtained by combination.The present application realizes the stable, accurate and automatic calculation of rock sampling point pose in complex outdoor environment.

This utility model relates to a stable and tensile-resistant deep-sea exploration wire rope, belonging to the technical field of deep-sea exploration wire ropes. It includes a reinforcing cylinder with multiple rope cores evenly distributed inside. The reinforcing cylinder is filled with a filler material. A connecting assembly is provided on the outer side of the reinforcing cylinder, comprising multiple reinforcing steel wires tightly wound around the outer side of the reinforcing cylinder. A fixing cylinder is fixed to the outer side of the multiple reinforcing steel wires. This stable and tensile-resistant deep-sea exploration wire rope, through the multi-structural design of the reinforcing cylinder, rope cores, and reinforcing steel wires, significantly improves the tensile strength of the wire rope, meeting the demand for high-strength wire ropes in deep-sea exploration. The addition of a first and second anti-corrosion layer effectively prevents seawater corrosion of the rope cores and reinforcing steel wires, extending the service life of the wire rope and reducing maintenance costs. The design of the filler material and the fixing cylinder effectively prevents relative slippage between the rope cores and loosening of the reinforcing steel wires.

The utility model relates to a kind of wind turbine blade cover plate safety fixing device, including fixed plate and bolt welded and fixed on fixed plate, the fixed plate is located in fan blade, the bolt is sequentially threaded through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut, the utility model sequentially threads the bolt in fan blade through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut on fixed plate, so that the manhole around the end of fan blade does not need to be embedded bolt also can realize the safety fixation between blade cover plate, can effectively solve the safety fixation problem of blade cover plate after embedded bolt relaxation or drop.

The invention belongs to the field of electric power engineering cost, and mainly relates to a local area network electric power engineering cost collaborative compilation method, which comprises the following steps of: installing electric power engineering cost compilation software on a plurality of computer devices, initiating an engineering collaborative compilation request from a main device, and establishing a local area network collaborative compilation network; a plurality of devices can share and edit files in real time; designing and initializing an engineering file structure adapted to multi-user cooperation; according to division of labor of project participants, file parts responsible for the project participants are divided, and smooth file editing is ensured by locking authority control and a transaction data processing mechanism; integrating and synchronizing modified contents of all parties through an operation module of the software, and finally updating and modifying the file through a version control mechanism; according to the method, the cooperation efficiency, the data accuracy and the real-time performance of electric power engineering cost compilation are effectively improved.

Provided is a control device, control method, and control program product that enable an operation that causes a control device to function using an existing structure while ensuring operability. The control device includes an acquisition unit (31) that acquires a steering torque and a steering angle; a determination unit (32) that determines whether or not a steering device has a non-steering operation based on the steering torque and the steering angle; and a control device control unit (33) that controls a prescribed control device mounted on a vehicle based on a determination result, the control device control unit, for a response requirement of a user based on a function of the control device, in a case where a non-steering operation is detected by at least one of a torque sensor and a steering angle sensor based on the determination result, executing control of the control device corresponding to the response requirement, and in a case where no non-steering operation is detected from either of the torque sensor and the steering angle sensor based on the determination result, not executing control of the control device corresponding to the response requirement.

This invention belongs to the technical field of thermal management and insulation materials for electronic and power equipment. Specifically, it discloses a controllable dense gradient boron nitride semi-cured thermally conductive and insulating film and its preparation method. This invention adopts a formulation-structure-process synergistic approach, in which multi-morphological hexagonal boron nitride (microspheres / sheets / nanotubes) after plasma activation and silane coupling treatment are hierarchically filled into a resin matrix, and then a multi-layer gradient structure film material is formed through controllable densification. This results in a film material that simultaneously possesses high thermal conductivity in the thickness direction, excellent electrical insulation, structural adhesion, and mass production processability. It is suitable for photovoltaic inverters, traction / auxiliary inverters for new energy vehicles, IGBT / SiC / GaN power modules, and interface thermal management and structural adhesion between PCBs and heat sinks.