9results about How to "Control Security Risks" patented technology

The invention discloses a construction method for a ballastless track of a steel base plate bearing rail table type. The construction method comprises the following steps: collecting midline mileage data of a double-block sleeper on site, synchronously widening a transition area track bed, determining the geometric dimension of a steel base plate, carrying out in-plant finish machining, synchronously arranging the steel base plate bearing rail table, calculating coordinates and carrying out on-site lofting. Drilling a track bed in the transition area and arranging a track bearing table; shifting and connecting steel rails in a transition area; track fine adjustment and operation maintenance; the steel rail is shifted back to a main line; dismantling the temporary line; repairing the existing ballast bed and the waterproof layer; the invention relates to the technical field of railways. The method solves the problem that a ballastless track structure is difficult and complex to access a new line.

The invention discloses a food safety traceability detection method and system based on machine learning, and relates to the technical field of food safety supervision, the food safety traceability detection method based on machine learning comprises the following steps: obtaining corresponding detection feature data; obtaining a food safety risk detection index; constructing a food safety risk prediction model; performing safety detection on the food sample; and starting a traceability program according to a safety detection result, and taking corresponding measures. According to the method, key factors influencing food safety can be accurately identified by analyzing the detection characteristic data, so that whether a food sample meets food safety standards or not can be accurately judged by continuously testing and comparing key safety parameters while the detection quality is ensured, and the detection accuracy is improved. Therefore, unsafe food is effectively prevented from entering the market, and the health of consumers is protected.

The invention relates to the field of data systems, in particular to an IOC intelligent operation system and method. The method comprises the following steps: carrying out modeling area acquisition on a park to obtain a modeling area; performing multi-angle photographing and point cloud data acquisition on the modeling area, constructing a regional three-dimensional model, performing real-time multi-energy data monitoring on the modeling area, constructing a regional energy topology network based on the real-time multi-energy data and the regional three-dimensional model, and setting security nodes on the energy topology network, and the regional three-dimensional model analysis is combined to obtain regional passage path data, a regional security sequence is generated, network edge node analysis is performed on the regional energy topology network, and abnormal scheduling security strategy generation is performed on the obtained network edge node and a preset abnormal energy alarm to obtain an abnormal scheduling security strategy. According to the invention, by effectively fusing the park three-dimensional model and the energy topology network, intelligent security early warning and scheduling based on energy abnormity are realized.

The utility model discloses a large-current sleeve overturning trolley which comprises a base, two triangular supporting frames which are oppositely arranged in parallel are arranged on the base, and the vertex angles of the triangular supporting frames are vertically upward. Rotating bearings are arranged at the top corners of the triangular supporting frame, a movable flange is arranged between the rotating bearings, and the two sides of the movable flange are in rotating fit with the top corners of the triangular supporting frame through the rotating bearings on the corresponding sides; a pull lug is arranged on the side wall of the movable flange, a rotating oil cylinder is arranged on the base, the two ends of the rotating oil cylinder are in hinged fit with the pull lug and the base through hinge pieces respectively, the safety risk in the vertical state and horizontal state switching process of the large-current sleeve can be effectively controlled, and it is ensured that posture switching and transferring of the sleeve are completed safely, efficiently and conveniently.

The invention discloses a quay wall test method for a shaft generator of a large box ship. The quay wall test method comprises the following steps: step 1, loosening a hydraulic bolt for connecting a middle shaft flange and a tail shaft flange by using a hydraulic tool; step 2, mounting a disengagement fixing device on the periphery of the tail shaft; 3, the tail shaft and the propeller connected with the tail shaft are horizontally moved backwards through the disengaging and fixing device, and the horizontal moving distance is larger than 1 cm; 4, starting the host, and driving the axle generator to carry out a load test through the host; 5, after the test is completed, the tail shaft and the propeller connected with the tail shaft are horizontally moved forwards through the disengaging fixing device till the intermediate shaft flange and the tail shaft flange are in butt joint; and 6, a hydraulic tool is used for pressing a hydraulic bolt for connecting the middle shaft flange and the tail shaft flange, and resetting of the ship shafting is completed. By using the test method, the test of the shaft generator can be carried out at a wharf, the safety risk of the test is reduced, and the cost of a later navigation test is shortened.

The utility model discloses an anti-leakage fermentation pit and belongs to the technical field of wine brewing equipment. Comprising a cellar body and cellar rods arranged on the outer side of the cellar body, the cellar rods are distributed in a square shape to form the cellar body, a concrete pouring layer is arranged at the bottom of the cellar body, and reinforcing meshes are evenly distributed in the concrete pouring layer; an anti-leakage plate is arranged on the side wall of the pit body, the lower end of the anti-leakage plate extends into the concrete pouring layer, and reinforcing angle steel is arranged at the lower end of the anti-leakage plate; a checkered plate sleeve is arranged outside the upper part of the cellar rod; the upper end part of the anti-leakage plate extends between the checkered plate sleeve and the inner wall of the cellar rod. The fermentation pit can solve the problem of leakage of an existing fermentation pit, can effectively reduce environmental pollution, ensures low manufacturing cost of the fermentation pit, and meets industrial requirements.

The invention discloses a driver wake-up-word-free interaction method, system and device and a storage medium, and the method comprises the steps: dividing a main driving sight range into a plurality of driver sight regions, presetting the region weight of each driver sight region, obtaining the sight direction coordinate and the head posture direction of a driver, and carrying out the wake-up-word-free interaction of the driver; performing weighted summation on the sight line direction coordinates and the head posture direction to obtain a current driver sight line area, performing weighted summation on an area weight of the current driver sight line area and an area weight of a driver sight line area around the current driver sight line area to obtain an interaction coefficient, and if the interaction coefficient is greater than an interaction threshold value, executing the step of executing the step of executing the step of executing the step of executing the step of executing the step of executing the step; if so, judging that the driver has an active interaction intention, entering a wake-up word-free interaction mode, and speaking a demand by the driver. The interaction intention of the driver is monitored in real time according to the sight direction coordinates and the head posture direction of the driver, and voice interaction without frequently inputting fixed wake-up words by the driver is achieved.

The utility model relates to an electromagnetic switch and storage box, including electromagnet subassembly and permanent magnet subassembly, electromagnet subassembly includes at least two in first direction sequential interval arrangement's magnetic core, wherein two adjacent magnetic core is first magnetic core and second magnetic core, and the first magnetic core and second magnetic core are wound with coil, and permanent magnet subassembly has at least first magnetic pole, second magnetic pole, third magnetic pole and fourth magnetic pole.

The invention relates to the technical field of security control, in particular to a security control method and system applied to a communication base station, a medium and a product, and the method comprises the steps: obtaining real-time communication data of a to-be-controlled communication base station, and recognizing communication features corresponding to the real-time communication data; when the communication features include preset hidden danger features, determining that the real-time communication data is hidden danger communication data; identifying a hidden danger transmission behavior and a hidden danger access behavior corresponding to the hidden danger communication data, and determining a hidden danger transmission channel corresponding to the hidden danger communication data and an influence coverage area corresponding to the hidden danger transmission channel based on the hidden danger transmission behavior and the hidden danger access behavior; and determining a substitute transmission channel based on the hidden danger transmission channel and a historical communication demand of the influence coverage area, generating a hidden danger isolation instruction based on the substitute transmission channel to isolate the influence transmission channel, and using the substitute transmission channel to provide a communication service for the influence coverage area. According to the invention, hidden dangers existing in the communication process can be found timely.