23results about How to "Reduce threat" patented technology

The utility model relates to an anti-ice-falling device for the surface of a cross tie beam of a bridge tower, which comprises a plurality of anti-ice-falling devices arranged on the surface of the cross tie beam, each anti-ice-falling device comprises an anti-ice-falling clamp, a plurality of raised fixing pieces and a plurality of extended connecting pieces, and the anti-ice-falling clamps comprise a first anti-ice-falling clamp and a second anti-ice-falling clamp. The first anti-ice-falling clamp and the second anti-ice-falling clamp are fixedly arranged on the edges of the left side and the right side of the cross tie beam respectively, and the first anti-ice-falling clamp and the second anti-ice-falling clamp are connected into a whole through the extending connecting pieces and the protruding fixing pieces and fixed to the upper surface of the cross tie beam. The limiting baffles arranged at certain intervals prevent solid accumulated ice from sliding on the upper surface of the bridge tower cross tie beam, meanwhile, lateral drainage of the upper surface of the cross tie beam cannot be hindered, the phenomenon that a traditional drainage channel becomes a'water blocking channel 'due to icing is avoided, and the size of a single block of ice accumulated on the upper surface of the cross tie beam is limited within a safety threshold value as much as possible.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The utility model provides an oil drum hoist device relates to the technical field of oil drum hoist. The oil drum hoist device includes steel wire rope, first clamping mechanism and second clamping mechanism, one end of steel wire rope is fixedly connected with first clamping mechanism, and its other end is fixedly connected with second clamping mechanism, first clamping mechanism includes clamping head and torque rod, one end of torque rod is connected with steel wire rope, and its other end is connected with clamping head, clamping head is equipped with horizontal part and inclined part, the vertical bolt of horizontal part is connected with screw thread, and vertical bolt is perpendicular to horizontal part, the inclined bolt of inclined part is connected with screw thread, and inclined bolt is perpendicular to inclined part. The oil drum hoist device solves the mode of carrying oil drum, and steel wire rope is easy to slide down on the oil drum, which causes property loss and threatens the safety of operating personnel.

The utility model provides a multifunctional sealing element testing device. The device comprises a pressure test chamber and a safety monitoring pressure relief assembly, the pressure test chamber comprises an upper die holder and a lower die holder which are detachably clamped, the lower die holder is integrally formed with a medium cavity and is filled with a liquid or gas test medium, and a to-be-tested sealing ring is placed in a sealing groove in the periphery of the cavity; an air inlet and an air outlet in the upper portion of the medium cavity are sequentially connected with a first pipe connector, a copper pipe, a second pipe connector, a first valve block, a third pipe connector and a second valve block, a pressure gauge and a pressure sensor are arranged on the top of the first valve block, the lateral ball valve is a first-stage pressure relief opening, the second valve block is provided with a thermometer and a temperature sensor, and the ball valve on the other side forms a second-stage pressure relief opening. Therefore, temperature-pressure dual-redundancy monitoring and graded pressure relief are realized. The device is compact in structure and easy and convenient to assemble and disassemble, high-temperature corrosive medium and high-pressure coupling loading can be completed in a single platform, data can be collected in real time, and the safety and efficiency of reliability evaluation of the sealing element are remarkably improved.

This invention provides a sterile docking device for fermenters and culture medium containers. Through valve switching control, it perfectly adapts to the entire process of "sterilization inside the fermenter – steam discharge through the exhaust port – medium transport through the inlet and outlet," achieving seamless connection between each stage. A dedicated exhaust port, in conjunction with a waste gas treatment unit, ensures the directional discharge and effective treatment of sterilizing steam, preventing impurities in the steam from impacting the environment. A sealing module prevents external bacterial intrusion, improving sterility and ensuring no leakage during medium flow. A quick-connect clamp assembly allows for rapid connection of the connecting seat and the elastic sealing seat, reducing assembly time and improving efficiency. The waste gas treatment unit effectively removes harmful substances from the waste gas, and an emission monitoring device ensures that waste gas emissions meet standards, reducing environmental pollution and threats to operator health.

The utility model discloses a polishing device for wear-resistant flat glaze ceramic tiles, which relates to the technical field of ceramic tile polishing, and comprises a polishing structure, a fixed plate and a rotating shaft rotationally arranged in the fixed plate, the dust collection structure comprises a sealing piece movably connected to the surface of the rotating shaft, a dust collection assembly fixed to the sealing piece, and an auxiliary assembly fixed to the surface of the rotating shaft and located in the sealing piece; the sealing piece comprises a left sealing shell rotating on the surface of the rotating shaft and a right sealing shell rotating on the surface of the rotating shaft. According to the utility model, the dust absorption amount is increased through the dust absorption taper holes, the dust amount in the air around the working environment is reduced, and the dust attached to the surface of the ceramic tile can be reduced, so that the surface quality of the polished ceramic tile is improved, the suspension amount of the dust in the working environment is reduced, and the threat of the dust to the health of operators is reduced.

The utility model relates to the technical field of doors and windows, in particular to a fireproof aluminum alloy door and window, which is characterized in that two ends of a frame are of inclined plane structures and are spliced with each other, grooves are arranged at two ends of the frame, L-shaped reinforcing plates are arranged in the grooves, a mounting groove is arranged on the inner side of the frame, a fireproof sealing strip is arranged in the mounting groove, and the fireproof sealing strip is arranged in the mounting groove. A plurality of cavities are formed in the frame, the cavities are filled with heat insulation blocks, the cavities are formed in the frame and filled with the heat insulation blocks, fireproof sealing rubber strips and intumescent fireproof coatings are matched, and flame and heat spreading is effectively blocked from multiple aspects. Flame can be prevented from penetrating doors and windows for a long time, smoke entering a room is reduced, more escape time is won for indoor personnel, and threats of fire to life and property safety are reduced. For example, in a high-rise building, the door and window with the good fireproof performance can effectively prevent fire from spreading among floors, and the safety of personnel of the whole building is guaranteed.

The invention relates to the field of airport road foreign matter detection, and provides a machine learning-based FOD detection algorithm, which comprises an input module used for receiving basic image data of an airport runway; the processing module is used for carrying out preprocessing and feature extraction on the input data; the storage module is used for storing the original image data and the detection result; the acquisition module is used for acquiring image and sound data of an airport runway in real time; and the recognition module is used for recognizing moving objects and static objects in the collected data based on a machine learning model. And high-precision real-time detection is realized through cooperation of multiple modules. The acquisition module adopts a high-definition camera to ensure that image data is clear; the processing module utilizes a convolutional neural network (CNN) to extract features, and can accurately recognize moving and static objects in combination with a YOLOv5 algorithm of the recognition module. The comparison module compares the real-time image with the original image, abnormity is judged if the real-time image is lower than the threshold value, the runway foreign matter can be found in time, and the system can rapidly position the FOD in the complex environment.

The utility model discloses a treadmill with a single stand column, which belongs to the technical field of treadmills and comprises a main body structure and a treadmill body, a running belt is arranged on one side of the top of the treadmill body, the other side of the top of the treadmill body is fixedly connected with the stand column, and the top of the stand column is fixedly connected with a balance handrail. The cleaning assembly comprises a collecting box, the collecting box is located at the bottom of the running belt and fixedly connected with the treadmill body, and a collecting groove is formed in the top of the collecting box; by arranging the cleaning assembly, the running belt is automatically cleaned through the cleaning wiper while the running machine runs, manual operation is not needed, time and energy are greatly saved, meanwhile, the cleaning assembly of the running machine can synchronously work during running of the running machine for solving the problem that auxiliary cleaning tools on the market need to be shut down for use, and the cleaning efficiency is improved. The requirement of a user for keeping the running belt clean at any time is met.

The present application relates to a kind of building water supply pipeline water age calculation method, belong to building water supply technical field, solve the problem that existing technology is difficult to adapt to indoor annular water supply pipeline water age calculation.The building water supply pipeline water age calculation method of the present application specifically includes the following steps: step S1: obtaining the topological structure data of water supply pipeline and boundary condition data;Step S2: collect the flow and water head of the theoretically most unfavorable node of water supply pipeline and the flow and water head of one of the nodes directly connected with water source;Step S3: based on the flow and water head of the theoretically most unfavorable node collected and the flow and water head of the node directly connected with water source, calculate the water head of each unknown node and the water flow of each pipe section;Step S4: according to the water flow of each pipe section, calculate the water age of each node.The present application realizes the real-time water age of each node in building indoor annular water supply pipeline to be calculated quickly, reliably and accurately.

The utility model discloses a traditional chinese medicinal material cleaning tank convenient to clean relates to traditional chinese medicinal material processing technical field, including cleaning department and bearing part. The cleaning department detachable is established on the bearing top cover, contains cleaning bearing, cleaning axle, cleaning cylinder etc.

This application relates to a combined protection structure for treating unstable rock slopes, comprising multiple anti-slide piles anchored to the slope and a passive protective net. The anti-slide piles include a steel cage and a concrete layer. The passive protective net includes multiple columns and multiple protective net panels. The columns are all anchored to the lower edge of the slope and distributed along the length of the lower edge. The protective net panels are connected to at least two columns. This application can improve the treatment effect of unstable rock slopes and reduce the threat to buildings below.

The invention discloses a hydrogen energy and natural energy heat pump heat supply and refrigeration integrated system and method, and relates to the technical field of hydrogen energy and natural energy heat pump heat supply and refrigeration integration. The heat pump heating module comprises the following steps that S1, carbon dioxide in air is absorbed through a refrigerant or the refrigerant and released into water; the carbon dioxide heat pump is used, and carbon dioxide is a clean refrigerant, has no destructive influence on the environment, is stable in chemical property, non-combustible, not easy to decompose at high temperature, does not generate harmful gas, is non-toxic, reduces threats to people due to leakage, is good in fluidity and has a relatively high evaporation latent heat value; compared with conventional refrigerants, the compression ratio of carbon dioxide is much smaller than that of common refrigerants, high performance coefficient and mechanical efficiency can be achieved, the high condensing temperature enables the exhaust temperature of a compressor to be high, and water at the high temperature can be obtained.

The utility model discloses an explosion venting device and an energy storage container, and belongs to the technical field of explosion venting, the explosion venting device in the embodiment of the utility model comprises an explosion venting assembly and a shielding assembly, the explosion venting assembly is used for being arranged on a mounting surface with an explosion venting opening, the explosion venting assembly comprises an explosion venting plate, the explosion venting plate covers the explosion venting opening, and the explosion venting plate has an explosion venting direction; in the explosion venting direction, at least part of the shielding assembly and the explosion venting plate are arranged in a spaced mode so that the shielding assembly can shield the explosion venting plate. The shielding assembly is arranged at an interval with the explosion venting plate in the explosion venting direction, so that the movement range of the explosion venting plate is effectively limited, the explosion venting plate is prevented from being out of control after being separated from the mounting surface, the risk of collapse and flying of the explosion venting plate is remarkably reduced, and threats to surrounding personnel and equipment are reduced. And meanwhile, it is guaranteed that the explosion venting process of the explosion venting plate is conducted smoothly, and the problem that the explosion venting action is clamped or fails due to structural interference is solved.

The utility model relates to the technical field of drainage pumping stations, and discloses a circulating water system of a drainage pumping station, which comprises a municipal pipe network water delivery port and a pump station reservoir, a first booster pump and a first connecting pipe are arranged at the end, away from the municipal pipe network water conveying opening, of the pump station reservoir, and a second connecting pipe is arranged at the end, away from the pump station reservoir, of the first connecting pipe. According to the circulating water system of the drainage pumping station, production water used by a main pump station flows into the cooling tower to be cooled through the third connecting pipe and the fourth connecting pipe and then is sent back to a pump station reservoir through the second booster pump and the like, so that the production water is recycled, hotter production water can flow back through different pipelines according to requirements, and the water returned to the water collecting tank can also prevent the pump station reservoir from being frozen; and in addition, wastewater such as main pump mechanical seal output water is conveyed to the first water return pipe through a pipeline after being subjected to sedimentation, filtration and other treatments to be reused, water is saved, and the cost is reduced.

The application relates to the technical field of disaster prevention and reduction and resource utilization, and particularly discloses a high-mountain alpine ice lake water resource utilization method. The method is characterized in that: first, ice lake parameters are obtained through a method combining multi-source remote sensing measurement and on-site measurement investigation checking, and the dam body stability of an ice-dam is analyzed; then, according to the analysis result of the dam body stability, the design standard requirement of the protection object downstream of the ice-dam, and the predicted breaching parameters, multi-row pile column structure engineering facilities are arranged and controlled to reinforce the dam body; then, the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the ice-dam are obtained, the relationship between the current water storage capacity and the standard water storage capacity is comprehensively analyzed, and after the collected electricity demand is collected, a one-way water resource utilization scheme or a composite water resource utilization scheme is selected. The application converts the water body with potential harm into clean energy for utilization, and also reduces the risk of ice lake breaching.

This utility model relates to the field of tunnel construction technology, specifically to a mechanized installation device for corrugated steel plates. It is fixedly installed at the end of the boom of a mobile lifting device and includes a fixed base, a rotating base, and a movable base. The fixed base is fixedly connected to the end of the boom, and the rotating base is rotatably mounted on the fixed base. The fixed base is equipped with a rotation drive device for driving the rotating base to rotate. The movable base is connected to the rotating base via a detachable insertion mechanism. An electromagnet for picking up corrugated steel plates is installed at the end of the movable base away from the rotating base, and the end of the movable base near the rotating base is fixedly connected to the lifting rope of the mobile lifting device. This mechanized installation device for corrugated steel plates effectively solves the drawbacks of traditional corrugated steel plate installation methods, such as low construction efficiency, significant safety hazards, and difficulty in guaranteeing installation accuracy.

This utility model belongs to the field of ceiling spring pressing technology, and discloses a gantry hydraulic press for pressing ceiling springs. It includes a base, a lower template connected to the base, a gantry frame connected to the base, a hydraulic rod connected to the gantry frame, a mounting seat connected to the hydraulic rod, and an upper template connected to the mounting seat. The upper and lower templates cooperate with each other. The base has a collection port and a collection groove, with the collection port communicating with the collection groove. A collection box is slidably connected to the inner wall of the collection groove. A top plate is connected to the mounting seat, and a shielding frame is slidably connected to the top plate. The shielding frame cooperates with the collection port and has a sliding groove. A slider is connected to the top plate, and the slider is slidably connected to the sliding groove. A spring is connected to the slider, and the other end of the spring is connected to the inner wall of the sliding groove. This utility model can collect debris generated during the pressing process, reducing the threat of debris scattering to the health of operators and pollution to the workshop environment.

The utility model relates to the technical field of spray guns, in particular to a spray gun based on discharge right and discharge capacity, which comprises a fixed seat, a spray gun body, a variable monitoring device, an execution device and a control unit, the fixed seat, the execution device and the control unit are respectively arranged on the spray gun body, the control unit is electrically connected with the spray gun body, and the variable monitoring device is arranged on the spray gun body. The variable monitoring device is arranged on the fixing base, and the variable monitoring device and the execution device are electrically connected with the control unit. According to the spray gun based on the emission right and the emission amount, the total emission amount of VOCs gas can be monitored and controlled in real time, legal and compliant emission is ensured, and threats to the ecological environment and human health are reduced.

The application discloses a net system recovery scale-down test system, which comprises a scale-down test tool, a simulated rocket body and a net system recovery simulation test sample machine, the test tool hoists the simulated rocket body to the top of the net system recovery simulation test sample machine, four hooks are evenly and circularly arranged on the outer circumferential wall of the simulated rocket body, the net system recovery simulation test sample machine is arranged below the test tool, the test tool and the simulated rocket body complete the simulation of the falling motion track of the rocket, in the falling process of the simulated rocket body, the net system recovery simulation test sample machine measures the real-time posture of the simulated rocket body, drives the net system to complete the hooking and capturing of the hooks of the simulated rocket body, and absorbs and buffers the energy in the whole process from the hooking of the simulated rocket body to the static state, so that the hooking and capturing process of the rocket body is simulated. The application simulates the capturing process of the rocket body by the net system recovery system through the scale-down test, the system can identify the design defects in the early stage of research and development, and significantly reduces the development cost of the net system recovery.

The utility model discloses a kind of chufa grain size grading screening devices, belong to screening device technical field, including device main body, the left side surface of device main body is equipped with fixed plate, the upper surface of fixed plate is equipped with dust collection box, the inside of dust collection box is equipped with mounting groove, the inside of mounting groove is equipped with multiple telescopic rods, the outer surface of each telescopic rod is all equipped with first spring, the top of multiple telescopic rods is commonly equipped with fixed frame. The chufa grain size grading screening device, by setting dust collection box, filter plate, air extractor and multiple dust suction heads, the dust impurities raised during screening can be captured, introduced into dust collection box through hose, prevent diffusion, reduce health threat;Impurities are filtered by filter plate, dust collection box is convenient to collect, reduce secondary pollution, guarantee processing quality, at the same time, multiple telescopic rods, first spring and fixed frame facilitate filter plate cleaning or replacement, save manpower time, guarantee filtering effect, ensure that device stable operation, improve practicality and economy.

The utility model provides an integrated spray gun structure and a coating machine, which belong to the technical field of coating machines and comprise an integrated pipeline and a plurality of spray head components. A liquid inlet path channel, a liquid return path channel and a spraying gas path channel are axially arranged in the integrated pipeline, and a gas spraying port is formed in the lower end of the spraying gas path channel; the multiple spray head assemblies are sequentially arranged in the axial direction of the integrated pipeline, penetrate through the integrated pipeline from top to bottom and are embedded in the integrated pipeline, liquid spraying channels are formed in the spray head assemblies, liquid inlet ports are formed in the upper ends of the liquid spraying channels, and liquid outlet ports are formed in the lower ends of the liquid spraying channels. According to the integrated spray gun structure provided by the utility model, an integrated structure is formed, and the spray head components are connected without adopting more pipelines, so that the number of the pipelines is greatly reduced, cleaning dead angles are reduced, the threat of bacterium breeding to the product quality safety is reduced, and meanwhile, the space occupancy rate is also reduced; and the problem that the sight of an operator is influenced by too many pipelines is avoided.

The invention provides a cobalt-free nickel-based alloy, a preparation method and application, and relates to the technical field of powder metallurgy. Comprising the steps that cobalt-free nickel-based alloy powder is prepared, and the components of the cobalt-free nickel-based alloy powder at least comprise chromium (Cr), boron (B), silicon (Si), iron (Fe), carbon (C), cobalt (Co) and nickel (Ni); placing the cobalt-free nickel-based alloy powder in a temporary packaging container, compacting the cobalt-free nickel-based alloy powder, and then vacuumizing and sealing the cobalt-free nickel-based alloy powder; the sealed cobalt-free nickel-based alloy powder is placed in a hot isostatic pressing furnace, and the hot isostatic pressing temperature and pressure are increased and kept for a certain time; and the temporary packaging container is removed after cooling, and the cobalt-free nickel-based alloy is obtained. According to the method, the cobalt-free nickel-based alloy powder can be obtained, and the cobalt-free nickel-based alloy can be obtained by carrying out hot isostatic pressing treatment on the cobalt-free nickel-based alloy powder, is used for the nuclear power valve sealing surface and meets the mechanical property requirement of the nuclear power valve sealing surface in a service environment.