63 results about "Wind effect" patented technology

The invention discloses a resource evaluation method and system based on multi-landform feature correction, which remarkably improves the accuracy of wind speed and solar radiation data by combining physical constraint correction and machine learning methods, and particularly improves the accuracy of the wind speed and solar radiation data under the conditions of complex terrains and multiple earth surface types. The problem of systematic errors existing in ERA5 reanalysis data in the prior art is solved. Specifically, through elimination of invalid values of radiation data at night and correction of wind speed data based on surface roughness, deviation caused by factors such as terrain shielding, vegetation canopy reflectivity and urban building group wind resistance effect is effectively eliminated. The ERA5 data is trained and optimized by using a machine learning model such as a random forest, so that the wind speed and radiation data at different geographic positions, seasons and time periods can be more accurately corrected, and the corrected data is more in line with an actual observation result.

The invention discloses a high-temperature aluminum alloy profile surface defect detection device and method, and relates to the technical field of aluminum alloy profile detection. The high-temperature aluminum alloy profile surface defect detection device comprises a shell, the bottom of the shell is connected with a heat insulation part, the heat insulation part is used for blocking heat radiated by a high-temperature part and guaranteeing optical image collection of a camera, the circumference angle opposite to the arc line of an arc-shaped guide rail is not larger than 60 degrees, the high-temperature part is located between the two ends of the arc-shaped guide rail, and the bottom of a sliding rod is connected with the camera. The sliding rod is connected with the translation piece which is used for driving the sliding rod to move in the arc-shaped direction of the arc-shaped guide rail through the extrusion effect. According to the high-temperature aluminum alloy profile surface defect detection device and method, the camera is isolated from the high-temperature part through the heat insulation part, the camera moves from one end of the high-temperature part to the other end of the high-temperature part, shooting of multiple side faces of the high-temperature part is continuously and completely completed, shooting blind areas are reduced, and the temperature of the working environment of the lens and the camera is reduced in cooperation with the wind action.

The invention discloses a farmland protection forest area windproof effect evaluation method based on a land-gas coupling model, and relates to the technical field of agricultural science, high-precision topographic data of a target farmland protection forest area is collected and preprocessed, and spatial distribution information of a farmland protection forest is obtained by combining remote sensing image interpretation; on the basis of topographic data and spatial distribution information, topographic relief and earth surface coverage features are analyzed, and a refined underlying surface classification system is constructed; and configuring high-resolution grid parameters of a WRF mode, and coupling a Noah-MP land surface process model. According to the farmland protection forest area wind-proof effect evaluation method based on the land-gas coupling model, through combination of high-resolution topographic data and a multi-source remote sensing image, topographic relief and surface heterogeneity of a farmland protection forest area can be accurately depicted, and a WRF mode is coupled with a Noah-MP land surface process model; fine simulation of complex terrains and various underlying surfaces is realized, the limitation of traditional uniform underlying surface hypothesis is overcome, and the accuracy of windproof effect evaluation is remarkably improved.

The wind power generation resistance reduction structure comprises fan blades, the fan blades are provided with installation openings, reverse wind energy release window frames are arranged in the installation openings, and the reverse wind energy release window frames are arranged along the edges of the installation openings. The edge of one side of the reverse wind energy release window frame is hinged to the edge of the mounting opening, a reverse limiting mechanism for preventing the reverse wind energy release window frame from swinging towards the back faces of the fan blades is arranged between the reverse wind energy release window frame and the mounting opening, and a forward wind energy utilization window plate is arranged in the reverse wind energy release window frame. The forward wind energy utilization window plate can cover a window opening of the reverse wind energy release window frame. When the fan blades bear reverse wind, the reverse wind energy releasing window frame is blown open, the wind flows through a gap between the reverse wind energy releasing window frame and the installation opening, and the reverse wind effect borne by the fan blades is obviously reduced. Therefore, the influence of reverse wind can be reduced, and the wind energy utilization rate and the wind power generation efficiency are improved.

The invention discloses an electric tower stay wire fitting, and relates to the technical field of stay wire fittings. In order to solve the problems that an existing wedge-shaped fitting is fixed only by abutting against a straight plate and slips off under the long-term wind action, the wedge-shaped fitting comprises a fitting body, the fitting body comprises a U-shaped bolt, the periphery of the U-shaped bolt is slidably connected with a stay wire block, and a stay wire channel and a conical block are arranged in the stay wire block; a wire pulling assembly and an abutting assembly are arranged in the wire pulling channel, and the wire pulling assembly comprises a fixing column and a sliding sleeve plate; the abutting assembly comprises a sliding groove, an abutting block, a connecting rod, an extending rod and a rotating piece. The extension rod is driven by the rotating piece to slide in the sliding groove, so that the abutting block is unfolded outwards, the stay wire is pushed to be tightly attached to the inner wall of the stay wire channel, and the contact area and friction force are increased. Through a mechanical expanding type fixing structure, the stay wire is effectively prevented from slipping under the long-term action of wind power, and the fixing stability of the stay wire of the electric tower is remarkably improved.

The invention provides a grid algorithm-based ship berthing wind action measuring and calculating method, which comprises the following steps of: establishing a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; a grid algorithm is applied to calculate the ship waterline upper contour wind area, and the ship centroid coordinate and centroid height are determined; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

A control method and apparatus, and a carrier are provided. The method includes: obtaining traveling information of the carrier; and when the carrier accelerates or decelerates in response to an indication of a user in the carrier, controlling, based on the traveling information, at least two sound-emitting apparatuses in a cabin of the carrier to play a first simulated sound wave with a sound image shift. Further, at least one of a light display device, an air conditioner, a seat, and a steering wheel is controlled based on the first simulated sound wave. The sound-emitting apparatuses are linked to the light display device, the air conditioner, the seat, and the steering wheel, to form audio-lighting effect, audio-vibration effect, and audio-wind effect, so that the user experiences, from a plurality of dimensions, the simulated sound wave that changes with a speed of the carrier.

This invention relates to an active intake and blowing control method for wind effects in high-rise buildings based on deep reinforcement learning. This invention relates to the fields of active flow control and wind-induced vibration control in high-rise buildings. Addressing the shortcomings of existing wind-resistant measures for high-rise buildings in complex wind environments and the insufficient feasibility of active flow control engineering, this invention discloses an active intake and blowing control method for wind effects in high-rise buildings based on deep reinforcement learning. The method includes: constructing an active intake and blowing control device for wind effects in high-rise buildings, constructing a wind tunnel test environment, establishing a deep reinforcement learning model, and realizing interactive training between the model and the wind tunnel test environment. This method can adaptively adjust the intake and blowing flow rates according to real-time wind environment information and structural wind-induced vibration response information, changing the flow field structure around the building, reducing unfavorable flow separation and wake vortex shedding, thereby reducing wind load and wind-induced vibration response in high-rise buildings.

The present application provides a kind of soft wind device, air conditioner and its control method, wherein the soft wind device, comprising: first soft wind blade group, first soft wind blade group includes multiple blades spaced apart along the first direction, blade includes left side piece and right side piece, the first side of left side piece is connected with the first side of right side piece, blade has left side piece and right side piece opposite opening state, when the air conditioner applied by soft wind device runs soft wind mode, blade is in opening state, when blade is in opening state, left side piece and right side piece form acute angle and the first side is in the upstream side of air flow flow direction.The present application opens the blade of acute angle in soft wind mode, can form the resistance to the air flow of outlet air and change the flow direction of air flow, effectively prevent the discomfort caused by the air flow of outlet air straight blowing user, simultaneously, the blade in the present application realizes soft wind effect by opening mode instead of the micro-hole structure in prior art, eliminates the phenomenon that micro-hole structure is easy to block.

The invention provides a ship berthing wind effect measuring and calculating method based on a triangular approximation algorithm, and the method comprises the steps: building a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; arranging the vertexes of the ship contour in sequence, calculating the contour wind area on the ship waterline by using a triangular approximation algorithm, and determining the centroid coordinate and centroid height of the ship; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

The invention provides a ship berthing wind effect measuring and calculating method based on a Monte Carlo algorithm, and the method comprises the steps: building a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; counting the number of random points inside and outside the contour line on the ship waterline based on a Monte Carlo algorithm, calculating the wind area of the contour on the ship waterline, and determining the centroid coordinate and centroid height of the ship; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

The invention discloses a bamboo grid, and belongs to the technical field of desertification control engineering. The bamboo checks are square bamboo checks formed by connecting two L-shaped or four linear bamboo sand barriers end to end; the side length of each bamboo grid is 500-2000mm; the bamboo sand barrier is of a warp and weft interwoven net-shaped structure composed of weaving lines and bamboo sheets. The length of each bamboo sheet ranges from 200 mm to 600 mm; the length-to-thickness ratio of the bamboo sheets is (100: 1)-(500: 1); a gap is formed between every two adjacent bamboo sheets, and the width of each gap is 0.2-2.2 times that of each bamboo sheet. The bamboo sheets are prepared by sectioning and processing bamboo tubes in the radial direction or the chordwise direction. According to the method, the three elements of the size of the bamboo grid unit, the gap width of the bamboo sheets and the embedding depth are synergistically optimized, a three-dimensional sand stabilization network with the gradient wind resistance effect is constructed, and a long-acting sand stabilization system with high environmental adaptability is formed.

The utility model discloses a wind-resistant quick roller shutter door, and relates to the technical field of roller shutter doors. The anti-wind device comprises the body and the anti-wind mechanism, the anti-wind mechanism comprises the shell, the buckle, the fixing block and the buckling groove are arranged, when the infrared sensor detects that the roller shutter deforms due to wind power, the buckle can be driven to rotate and be buckled with the buckling groove, the roller shutter can be rapidly and effectively fixed through the buckling mechanism, and the anti-wind effect is good. The roller shutter can be prevented from continuously shaking or deforming due to wind power, extra supporting force is provided through tight combination of the buckle and the buckle groove, the roller shutter can be kept stable in strong wind weather, the damage risk caused by wind power is reduced, when the wind power is weakened or disappears, buckling of the buckle and the buckle groove can be easily removed, the roller shutter can restore the normal lifting function, and the service life of the roller shutter is prolonged. The infrared sensor can monitor the state of the roller shutter in real time, and can immediately send out a signal once detecting that the roller shutter deforms due to wind power, so that the roller shutter is effectively prevented from being damaged or derailed due to excessive wind power.

The spider arm of the air dryer comprises a supporting frame, a conveying belt is installed on the upper surface of the supporting frame in a transmission mode, baffles are fixedly installed on the two sides of the upper surface of the supporting frame, a top cover is fixedly installed on the upper surfaces of the two baffles, a connecting block is fixedly installed on the lower surface of the top cover, and rotating grooves are formed in the two sides of the connecting block. And a blowing mechanism is rotationally mounted in the rotating groove and is flush with the conveying belt. Through the design of the purging mechanism, the purging mechanism passes through gt, lt and gt of the purging pipe. Due to the design of the wind direction and the adjustable push-and-pull stroke, the air flow can uniformly cover the surface of the workpiece, it is ensured that each part can be subjected to the wind effect, uneven drying is avoided, water drops on the surface of the workpiece can be directly blown outwards through reciprocating swing of the blowing pipe and the sprayed air flow, and therefore retention of water is remarkably reduced, and the drying speed is increased.

The invention discloses an aeroelastic model wind tunnel test device and method with continuously adjustable rigidity and damping, and belongs to the technical field of wind tunnel tests.The aeroelastic model wind tunnel test device comprises a wind tunnel test section, a test model and a test unit, and test holes are symmetrically formed in side plates of the wind tunnel test section; the test model is installed in the test hole in a penetrating manner and extends to the outside of the wind tunnel test section; the two sides of the test model are connected with test units through rigid extension rods. According to the aeroelastic model wind tunnel test device and method with continuously adjustable rigidity and damping, the equivalent rigidity and damping characteristics of the model can be adjusted continuously and independently by adjusting electric signals in the wind tunnel test process, so that the dynamic response of an actual flexible or elastic structure is simulated more truly, and the test efficiency is improved. And the accuracy, flexibility and test efficiency of wind effect evaluation are remarkably improved.

The utility model provides a wind-resistant monitoring frame for security engineering, and belongs to the technical field of security engineering monitoring. The wind-resistant monitoring frame for security and protection engineering comprises a monitoring frame structure and a wind-resistant structure. The monitoring frame structure comprises a base rod, a supporting rod and a connecting base, a T-shaped sliding groove is formed in the surface of the base rod, and the connecting base is fixed to the bottom of the base rod; and the wind-resistant structure comprises an extension rod, a sliding connecting piece and a supporting reinforcing piece, the sliding connecting piece is connected to the interior of the T-shaped sliding groove in a sliding mode, the other end of the extension rod is rotationally connected with a connecting block through a connecting column, and the supporting reinforcing piece is rotationally connected to the second notch. According to the utility model, the wind-resistant structure can be extended and stored to be beneficial to adapting to different environment requirements, meanwhile, the wind-resistant effect of the monitoring frame in the use process can be improved, the shooting stability is improved, the possibility of damage to shooting equipment is reduced, and the use is more flexible and convenient.

The invention discloses a human settlement suitability evaluation method based on remote sensing data and an urban heat island effect, and relates to the field of human settlement suitability monitoring, and the method comprises the steps: extracting the urban heat island intensity and the grade thereof in a spatial region range based on meteorological satellite remote sensing data; satellite surface temperature data and relative humidity meteorological reanalysis data are fused, numerical values of surface temperature and relative humidity in a spatial region range are extracted, a temperature and humidity index and a grade thereof are calculated, and a wind efficiency index and a grade thereof are also calculated; and after the obtained urban heat island intensity, the temperature and humidity index and the wind efficiency index are subjected to standardization processing according to the grades, the human settlement environment condition evaluation index is calculated according to the weight of each index. The method focuses on providing an evaluation system based on meteorological satellite product data and the urban heat island effect, and is used for evaluating the influence of climatic elements on the human settlement suitability of the whole country and the city under the climatic change background.

The invention discloses a method for evaluating wind-induced fatigue of a steel structure based on meteorological data and wind tunnel data. According to the method, an extreme value distribution model and a mixed Von-mises distribution theory are utilized to respectively fit local wind speed and wind direction probability density functions, and then a wind speed and wind direction joint probability density function is obtained; combining wind tunnel test data, carrying out structural dynamic time history analysis through a scale ratio theory and a mechanical equivalence principle, screening key components, and extracting a stress time history; and finally, calculating the fatigue life by using a rain flow counting method and an SN curve. According to the method, multi-source data are fused, the unsteady wind effect is considered, compared with a traditional method, the accuracy and rationality of wind-induced fatigue life prediction are improved, a reliable basis is provided for wind resistance design of an engineering structure, and the method has high engineering application value.

The utility model relates to the technical field of stage instruments, in particular to a stage wind effect adjusting device. The stage wind effect adjusting device comprises a wind source, a connecting pipeline and a wind outlet assembly. The two ends of the connecting pipeline are connected with the wind source and the wind outlet assembly respectively. The air outlet assembly comprises a fixing frame and a side plate, the fixing frame and the side plate define an air outlet structure with an opening in the top, the side plate is provided with an adjusting assembly, and the adjusting assembly can drive the side plate to rotate so as to adjust the opening size of the air outlet structure. The stage wind effect adjusting device is simple in structure and can be easily arranged in a limited stage space. The adjusting mode that the adjusting assembly drives the side plates to rotate guarantees the reliability and stability of adjustment, no time difference exists in the adjusting process, and the corresponding air volume can be changed in time according to the performance requirement.

The invention discloses a compact movable box-type transformer substation, and particularly relates to the technical field of transformer substations, the compact movable box-type transformer substation comprises a base, the upper end of the base is fixedly provided with a shell, the upper end of the shell is fixedly provided with a waterproof edge, the inner surface of the shell is provided with a power transformation cabinet, and the front part of the inner surface of the shell is provided with a control cabinet; a cooling structure is fixedly installed on the rear portion of the inner surface of the shell. According to the compact movable box-type transformer substation, cold air is distributed through the shunting assembly to uniformly enter the heat exchange assemblies on the two sides, and the cold air is fed into the control cabinet to cool equipment in the control cabinet through the air uniformizing effect of the heat exchange assemblies; equipment failure or overheating caused by overhigh temperature due to continuous current carrying is avoided, hot air is further pumped back through the air return assembly and sent out through the air outlet groove, continuous cooling of the control cabinet and the power transformation cabinet is achieved, and operation risks caused by high temperature are reduced.

The application provides an indoor unit and a control method of an air conditioner. The indoor unit comprises: a bottom shell, the bottom shell is provided with an air outlet guide mechanism, the guide mechanism is rotatably arranged at the air outlet, and at least part of the guide mechanism is provided with an air outlet channel; an oscillation assembly is arranged in the air outlet channel; a magnetic attraction assembly is connected with the guide mechanism, the magnetic attraction assembly has a blocking position for blocking the air outlet channel, and the magnetic attraction assembly has an avoiding position for avoiding the oscillation assembly in the air outlet channel; when the magnetic attraction assembly is in the avoiding position, part of the air flow blown from the air outlet is blown out of the bottom shell through the air outlet channel. According to the technical scheme of the application, when the magnetic attraction assembly is in the avoiding position, part of the air flow blown from the air outlet is blown out of the bottom shell through the oscillation assembly in the air outlet channel, so that the soft wind effect is achieved, the problem of the indoor unit directly blowing air flow to people is solved, and the air outlet comfort of the indoor unit is improved.

The application discloses a kind of wind direction measurement deviation identification method, device, equipment and medium of wind turbine unit.The method comprises: determining the multiple reference operating information of wind turbine unit;By the power, wind speed and wind direction corresponding to each reference operating information are curved surface fitting, the reference operating characteristic curved surface information of wind turbine unit is obtained;According to reference operating characteristic curved surface information, the reference wind direction measurement deviation characteristic curve information of wind turbine unit is determined;Wind direction measurement deviation characteristic curve information is used to describe the continuous curve of the relationship between wind speed and the wind direction measurement deviation corresponding to the maximum power point of wind turbine unit under corresponding wind speed;According to reference wind direction measurement deviation characteristic curve information, wind direction measurement deviation identification and correction are carried out on wind turbine unit.The technical scheme of the present application identifies the deviation between the measured wind direction and the actual wind direction, realizes more accurate yawing wind effect of wind turbine unit, and improves the power generation performance of wind turbine unit.

A system for controlling aircraft flight control surfaces implements a method including: obtaining a control law for the flight control surfaces as a function of flight controls of the aircraft; obtaining measurements of ground speed, true speed, roll angle, pitch angle, angle of attack, sideslip angle and slope angle; performing an estimation of the wind in three dimensions using the measurements obtained; performing an adjustment of the control law for the flight control surfaces, to counter the estimated wind effect and to obtain an adjusted control law for the flight control surfaces, by adding, to the control law, a term for wind compensation comprising a term proportional to the derivative of the wind estimation; and controlling the aircraft by applying the adjusted control law. Thus, the impact of the wind on the aircraft is reduced by digital processing and automatic adjustment of the control of the flight control surfaces.

The utility model discloses a ventilation device for a tremella aurantialba culture room, which belongs to the technical field of tremella aurantialba culture and comprises a box body, a plurality of fixing holes are formed in the box body, a grid plate is connected to the box body, a filter plate is connected to one side, opposite to the grid plate, of the box body, a protective plate is connected to the box body, and a cross rod is connected to the box body. Sliding grooves are formed in the upper portion and the lower portion of the interior of the box body. According to the ventilation device for the tremella aurantialba culture room, a first motor is started to rotate a lead screw, a matching block in threaded fit with the lead screw is promoted to drive a fixing hoop to move along the lead screw, a sliding block can slide on a guide rod, then a barrel shell reciprocates in a box body, a working motor can rotate fan blades, and the fan blades are promoted to blow air for ventilation; through reciprocating horizontal movement, the natural wind effect is simulated, exchange of air around a culture point is promoted, the ventilation range is expanded, and the installation number of ventilation devices is reduced.

The invention discloses a wind wheel structure which comprises a frame body and blades, and the blades are arranged on the frame body in a radial mode. Each blade comprises a body, a first side edge and a second side edge, and the body is provided with a first surface and a second surface which are oppositely arranged; the first side edge is arranged along the length direction of the body, and the second side edge is arranged along the width direction of the body; the body is provided with a noise reduction hole, and the noise reduction hole is provided with a through hole structure penetrating through the first face and the second face. According to the wind wheel structure, the noise reduction holes penetrating through the first faces and the second faces are formed in the blades, airflow on the high-pressure faces of the blades flows to the low-pressure faces through the noise reduction holes, the boundary layer blowing effect is formed, the surface flow field structure of the blades is optimized, and the effect of low noise is achieved while the high wind speed is provided. The invention further provides a bath heater comprising the wind wheel structure.

The utility model relates to a microbial strain constant-temperature cultivation device which is characterized in that rotating rings (23) are arranged between an air supply plate (21) and an air suction plate (22), the axes of the two rotating rings (23) coincide and are horizontally arranged, a plurality of supporting rods (24) and a rotating drum (25) are arranged between the two rotating rings (23), and the rotating drum (25) is connected with a placing disc (27) through an extension rod (26); a rotating ring (23) is controlled to rotate to drive a supporting rod (24), a rotating drum (25) and a placing disc (27) to revolve, due to the fact that the supporting rod (24) and the rotating drum (25) rotate relatively, strains in a placing groove (28) face upwards all the time, the strains in the placing groove (28) are subjected to air blown out by an air supply plate (21) from top to bottom all the time, air suction is conducted through an air suction plate (22), and air flow circulation type temperature rising or cooling is achieved. The strain is good and uniform in wind receiving effect, and strain growth is facilitated.

The present invention relates generally to the automated setting of the angle of attack of propulsive and / or flow directing elements to catch the wind, such as the automated paying-out and recovery of ropes for sails or the automated rotation of profiled masts. The invention relates firstly to ships having at least one propulsion and / or flow directing element that is to be positioned to catch the wind, such as a sail, a profiled mast and the like, and that is mounted adjustably relative to a hull. The invention also relates to a device for adjusting such a propulsive and / or flow directing element that is to be positioned to catch the wind, comprising: an actuator motor and a drive train for transmitting an actuating and / or holding moment and / or an actuating and / or holding force from the actuator motor to the movably mounted propulsive and / or flow directing element; and a control device for automated adjustment of the propulsive and / or flow directing element depending on wind effects such as wind direction and / or wind strength. According to the invention, the control device for adjusting the propulsive and / or flow directing element has a measuring device for measuring the drive loading, in the form of an actuating and / or holding force and / or an actuating and / or holding moment, acting in the drive train and / or on the actuator motor, and also a control module for activating the actuator motor in order to bring the propulsive and / or flow directing element into various positions depending on the drive loading measured in the drive train and / or on the actuator motor.

This invention provides a structure for an anti-pollution train roof insulator, relating to the field of high-speed train technology. It includes multiple core rods and multiple sheds, with the sheds fixed to both ends of the core rods. The upward and downward tilt angles of the sheds are adjustable. This invention considers the wind effect, improving the pressure on the leeward side of the insulator by changing the upward and downward tilt angles of the sheds and the height of the core rods. This alters the airflow on the insulator surface, optimizing pollution accumulation and effectively reducing the probability of flashover accidents on the train roof insulator.

The utility model discloses a two-split spherical hinge spacer comprising a spherical hinge spacer which comprises a chuck; the four groups of uniformizing assemblies are located on the two sides of the two chucks respectively, and each uniformizing assembly comprises a first fixing plate, a bolt, a first fixing block, a damping rod, a second fixing block and a hoop; the first fixing plate is fixed to the side edge of the chuck, the bolt is connected to the first fixing plate, the bolt is sleeved with the first fixing block, one end of the damping rod is fixed to the end, away from the bolt, of the first fixing block, the second fixing block is fixed to the other end of the damping rod, and one end of the hoop is fixed to the lower end of the second fixing block through another set of bolts. The problems that due to the continuous gravity effect, the lead generates fatigue near a clamping point, the mechanical strength of the lead is reduced, due to the fact that the spacer falls down due to gravity, the lead is prone to vibration under the wind effect, and due to long-term aeolian vibration, the lead is damaged near the clamping point, such as strand breakage or cracks, and the lead is damaged are solved. And the service life of the wire is further shortened.

This invention discloses a high-altitude dry powder water-based fire extinguishing bomb drone, relating to the field of drone-based fire extinguishing bomb technology. It includes a heavy-load drone body with a mounting frame fixedly connected to its bottom. Multiple placement compartments are arranged within the mounting frame. This high-altitude dry powder water-based fire extinguishing bomb drone, through the multiple placement compartments on the mounting frame and the cooperation of a moving mechanism and a clamping mechanism, enables the drone to drop multiple fire extinguishing bombs during a single flight. Simultaneously, a transmission mechanism drives adjusting plates to rotate, causing two adjusting plates to rotate forward of the mounting frame, thereby moving the fire extinguishing bombs in the placement compartments forward. This effectively balances the weight behind the mounting frame, achieving a balanced gravity area for the bombs. This enhances the stability of the drone during high-altitude bomb dropping and reduces the risk of crashes due to center of gravity shift and wind effects.