12results about How to "Reduce the spread" patented technology

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model relates to the technical field of cloth production, in particular to a drying device for cloth processing. Comprising a drying box, an L-shaped moving plate, a shell, a first heat supply mechanism and two limiting roller mechanisms, and penetrating holes are formed in the two ends of the drying box; the front end of the drying box is open; a linear driving mechanism for driving the L-shaped moving plate to move is mounted on the drying box; the shell is connected with the inner wall of the L-shaped moving plate, the side, away from the L-shaped moving plate, of the shell is provided with an opening, and a snake-shaped airflow channel is formed in the shell; the first heat supply mechanism is used for conveying hot air into the airflow channel; the two limiting roller mechanisms are installed at the two ends of the rear side of the drying box correspondingly, each limiting roller mechanism comprises a plurality of transverse rods and a plurality of transmission rollers, the transverse rods are installed on the drying box side by side, and the transmission rollers are rotationally installed on the transverse rods correspondingly. The drying device has the advantage of being high in drying efficiency, and the utilization efficiency of energy can be greatly improved.

The utility model relates to the technical field of precision measurement, and discloses an optical part precision measuring device, which comprises a precision measuring machine, a connecting pipe connected to the precision measuring machine and a measuring lens connected to the connecting pipe, and is characterized in that a rectangular-ambulatory-plane cover body, a top cover and a bottom cover are mutually matched; a closed environment can be formed by the concentric-square-shaped cover body, the top cover and the bottom cover, the measuring lens is completely wrapped and separated from the external environment, interference of dust and other impurities on measured data is reduced, and the measuring lens is simple in structure, convenient to operate and high in practicability.

The invention discloses a running-state-oriented memory fault risk assessment and adaptive diagnosis method and system, and relates to the technical field of memory running management.The method comprises the steps that S1, running-state memory monitoring data are collected and preprocessed; s2, generating a cross-layer difference triple set, performing difference direction judgment on a cross-layer difference triple, and identifying cross-layer inconsistent fragments; s3, constructing a cross-layer risk index set, performing cross-layer fault risk quantitative analysis on each inconsistent fragment, performing risk grade division based on a quantitative analysis result, and generating a corresponding risk grade label; and S4, carrying out risk response operation on the inconsistent fragments, carrying out response stability evaluation, and generating a final risk response result set. The problem that in the prior art, cross-layer difference sources cannot be accurately recognized in a multi-layer memory access link, so that running state fault risk judgment is prone to being interfered by access jitter and affected by virtualization scheduling offset is solved.

This invention relates to the field of civil defense shelter design. It discloses a civil defense basement with a self-ignition isolation structure for new energy vehicles, aiming to solve the problem of easy fire spread when new energy vehicles spontaneously combust in civil defense basements. It includes an inner frame, a first linear drive mechanism, a second linear drive mechanism, a telescopic isolation canopy, and a flame sensor. The first linear drive mechanism is located in the inner frame, and the second linear drive mechanism is located in the movable part of the first linear drive mechanism. The telescopic isolation canopy is deployed by the second linear drive mechanism. The flame sensor is located in the inner frame and is signal-connected to the two linear drive mechanisms. It can identify the ignition point and trigger the drive mechanisms, causing the telescopic isolation canopy to move to the ignition point and deploy. This structure can accurately isolate spontaneously combusting vehicles, reduce the fire spread range, improve the impact of fire on surrounding vehicles and the basement structure, and enhance the safety of parking new energy vehicles in civil defense basements.

The present application relates to a kind of tunnel fire detection method, device and medium, wherein the method comprises the following steps: obtaining historical tunnel sensor dataset and constructing tunnel fire image dataset;Three-stage neural network architecture including trigger network, risk assessment network and complete detection network is constructed, trigger network carries out all-weather abnormal monitoring to the whole tunnel;Risk assessment network is activated when potential risk is detected by trigger network;Complete detection network is activated when high risk is determined by risk assessment network;The three-stage neural network is trained using historical tunnel sensor dataset and tunnel fire image dataset, and the trained fire detection model is obtained;Real-time acquisition tunnel video and sensor data, input trained fire detection model, and obtain tunnel fire detection recognition achievement.Compared with prior art, the present application solves the problems of low tunnel fire detection accuracy, serious waste of computing resources, insufficient real-time performance and high false detection rate.

The utility model discloses ventilation equipment for a paint production workshop, which comprises a main frame, a shell is fixed on the main frame, and the shell is provided with an outer support frame, an outer filter screen and a trapezoidal channel. The outer supporting frame is rotatably provided with a fan, the main frame is slidably provided with a side plate, the side plate is fixed to the inner filter screen through a supporting block and a bottom plate, honeycomb activated carbon is placed on a mounting plate on the side plate, and the main frame fixes a top rod. The equipment further comprises an inner supporting frame, a storage battery, an electric control unit, a motor and an inner shell are fixed on the inner supporting frame, and the inner shell divides a gas channel. The equipment is mounted on a workshop window frame, can filter, adsorb and purify gas, has the advantages of low cost, flexible movement, stable structure, reliable ventilation and the like, and effectively solves the ventilation problem of a paint production workshop.

The utility model belongs to metal pipe field, concretely is a kind of outer wall opening device for metal pipe processing, including work bench, a pair of fixed plate is fixedly connected to work bench top;Clamp plate is arranged on the fixed plate upper portion;The fixed plate and clamp plate are connected by multiple bolts;Support frame is fixedly connected in the middle of work bench;First air cylinder is fixedly connected to support frame top;Round bar is fixedly connected to the output end of first air cylinder;Square plate is fixedly connected to the end of round bar;By making baffle and elastic cloth can be in use opening assembly processing metal pipe by the blocking of baffle and elastic cloth to intercept the diffusion of debris, make it in diffusion by the interception of baffle and elastic cloth and stay in baffle inside, thereby reduce diffusion range, simultaneously by the rotation after the contact of magnetic plate can be guided to metal pipe by the angle of magnetic plate rotation after contact when and metal pipe contact, so that metal pipe enters baffle middle portion by the guidance of magnetic plate and speed up the speed of entering baffle middle portion.

The utility model discloses a kind of double-row hole oil flinger fuel flow measuring devices, including support frame, outer collector, inner collector. Outer collector is installed in support frame;Inner collector is fixed in outer collector;Outer collector and inner collector are including oil collection end and outlet end, and the oil collection end of outer collector protrudes in the oil collection end of inner collector;Outer collector is close to inner collector, and fuel flow channel is left between the two, double-row hole oil flinger is closely attached to inner collector;The second row hole of double-row hole oil flinger is located in the oil collection end of inner collector, and the first row hole of double-row hole oil flinger is located in the oil collection end of outer collector;Double-row hole oil flinger one end is communicated with hollow shaft. The utility model is compact by modularization design, oil mist is isolated from source, without modification test bed, significantly improve the measurement accuracy and fuel collection rate, and easy to operate, data is reliable.

The invention provides an avian infectious bronchitis virus color visualization RAA rapid detection method, and relates to the technical field of veterinary diagnosis, and the method comprises the following steps: sample collection and treatment: collecting disease material samples representing respiratory tract symptoms, renal lesions or clinical symptoms of egg drop, extracting the samples, and carrying out sample treatment; carrying out nucleic acid extraction and reverse transcription, and carrying out RNA extraction and cDNA synthesis; carrying out conventional PCR detection; constructing a positive plasmid; the method has the advantages of rapidness, sensitivity, specificity, simplicity, convenience, low cost and the like, is suitable for rapid screening of the IBV in places with limited conditions, such as grassroots farms and veterinary stations, can be matched with laboratory nucleic acid electrophoresis verification to realize effective connection of primary screening and confirmation, and provides a new technical means for early discovery of the IBV and prevention and control of epidemic diseases.

This utility model provides a valve pressure testing device, including a pressure testing pipe. A first blind flange is installed at one end of the pressure testing pipe. A detachable connecting pipe is installed at the end of the pressure testing pipe away from the first blind flange. A second blind flange is installed at the end of the connecting pipe away from the pressure testing pipe. Multiple pipe joints for connecting valves are evenly installed on the upper part of the upper surface of the pressure testing pipe. A pressure gauge is installed on the upper part of the outer surface of the connecting pipe near the second blind flange. A vertically arranged liquid storage cylinder is installed on the lower part of the outer surface of the connecting pipe. A cylinder cover is installed at the lower end of the liquid storage cylinder. A vertically arranged hydraulic cylinder is installed in the middle of the lower surface of the cylinder cover. The movable end of the hydraulic cylinder passes through the cylinder cover and is equipped with a piston. The piston is slidably installed inside the liquid storage cylinder. This utility model has the following beneficial effects: preventing residual water from flowing out at will, reducing water waste, and helping to maintain the cleanliness of the working environment.

This utility model relates to the field of fume collection technology, and in particular to a workshop welding fume collection device, including a base with a supporting structure on the base. The supporting structure includes a rotatable active rotating rod, one end of which is rotatably connected to an active support rod. An mounting plate is also provided at the upper end of the base, with the active support rod rotatably mounted at one end of the mounting plate. Several auxiliary rotating rods corresponding to the active rotating rod are also rotatably connected to the base, one end of which is rotatably connected to an auxiliary support rod. The auxiliary support rods are distributed and rotatably mounted on the mounting plate. An adjustment structure is provided on the mounting plate, which can drive a mounting frame mounted on the mounting plate. A fume hood is mounted at one end of the mounting frame. This effectively solves the problems in the prior art where some fume escapes into the environment, affecting the collection effect, and where increasing the exhaust volume or hood size is required to cover a larger height range, leading to increased energy consumption.