64 results about "Freezing rain" patented technology

The invention discloses a catalyst determination method and device and a machine readable storage medium, and relates to the technical field of weather modification. The method comprises the steps that index values of test indexes of a plurality of different types of catalyst samples are obtained respectively, and the index values are the index values of the catalyst samples tested in a preset strong freezing rain simulation environment; the freezing rain key condition is reproduced through the simulation platform, and the deviation between a traditional laboratory and a real scene is overcome. Determining the weight of each test index based on all index values and a weight distribution algorithm; aiming at each type of catalyst samples, based on a multi-criterion decision algorithm and the index value and the weight of each test index, determining an evaluation score of the catalyst samples; and determining the catalyst sample with the highest evaluation score as a target catalyst. By scientifically and comprehensively evaluating the performance of different types of catalysts, a scientific basis is provided for selection and application of the catalysts, and the freezing rain disaster prevention and control cost is reduced.

The invention relates to the technical field of railway contact networks, in particular to an electrified railway anti-icing contact network and a control system.The device comprises a contact network wire and a brim flow guide structure arranged on the contact network wire in a sleeving mode; the upper part of the catenary wire is an arc-shaped surface, the middle part of the catenary wire is provided with a dovetail groove, and the lower part of the catenary wire is a conductive surface; the shape of the upper portion of the brim diversion structure is consistent with that of the upper portion of the contact network wire, the middle of the brim diversion structure extends towards the two sides to form brim-shaped diversion plates, and the brim-shaped diversion plates are used for guiding airflow to drive freezing rain water drops to slide towards the two sides so as to avoid a conductive surface; the brim-shaped flow guide plate is positioned below the dovetail groove; and after the cap-brim-shaped guide plate is sleeved on the overhead line system wire, the conductive surface can be in contact with the pantograph. Structural innovation and collaborative prevention and control logic are integrated, and the problems that an existing electrified railway anti-icing scheme is single, limited in function and insufficient in adaptability are solved.

The present invention discloses a high-voltage conductor with a surface microstructure (abbreviated as "microstructured conductor") and a preparation method thereof. The high-voltage conductor with a surface microstructure is continuously prepared by a wire drawing nanoimprinting method using a wire drawing die with a micro-nanostructure on the inner hole surface. The preparation method has low cost and high efficiency, and can mass-produce high-performance microstructured conductors with super-hydrophobicity, super-oleophobicity, anti-icing, anti-freezing rain, anti-rime, anti-fouling and self-cleaning functions, thereby solving the icing problem faced by overhead high-voltage conductors in ice, snow and freezing rain weather, and providing a new technical solution for improving the reliability and stability of transmission lines.

The invention relates to the technical field of cross-linked polyethylene insulated cables, and discloses an overhead insulated cable with an anti-icing coating, which comprises a cable core, an inner shielding layer, an insulating layer, an outer shielding layer, an inner sheath, an armor layer and other conventional structures, and is characterized in that a driving assembly and an anti-icing jacket assembly are arranged outside at equal intervals; the driving assembly is driven by the fixed ring, the rotating ring and the micro motor to drive the spiral twisting wire to be alternately tightened and loosened, so that the flexible twisting sleeve synchronously realizes radial wriggling and circumferential bidirectional torsion, the outer wall of the flexible twisting sleeve is provided with a V-shaped axial twisting groove, and the outer wall of the flexible twisting sleeve is coated with a compound anti-icing coating; according to the scheme, a bonding interface for breaking an ice blank and the surface of the cable at the initial stage can be formed on an ice shell, a thin water film is quickly discharged to block an icing core, and the hydrophobic and ice-hydrophobic characteristics of the coating are matched, so that ice layer growth circulation is cut off from the source, icing thickening is effectively inhibited, and safety accidents caused by large-scale icing are avoided; and the operation reliability of the aerial cable in the freezing rain, high-humidity and low-temperature environment is improved.

The utility model discloses an anti-freezing rain pantograph lower arm gas circuit, which is characterized in that a gas pipe is arranged in an inner cavity of a lower arm rod, penetrates out of the side wall of the lower arm rod through a plate penetrating joint, and is fixed on the side wall of the lower arm rod. The plate-penetrating connector penetrates through a hole in the center of the circular plate, two ends of the plate-penetrating connector are locked by nuts, and the circular plate is fixed on the lower arm rod through screws. The two ends of the plate penetrating connector are respectively provided with a clamping sleeve nut, the opposite ends of the two clamping sleeve nuts are respectively provided with a thin nut, after the two clamping sleeve nuts are oppositely tightened, the two thin nuts are tightened, and the plate penetrating connector is fixed to the circular plate through the two thin nuts. And the air path is arranged in the lower arm, so that the air path can be prevented from being damaged by the falling ice, and the stability of the pantograph running in the freezing rain weather is improved.

The invention relates to the technical field of wind power generation equipment maintenance, in particular to a dynamic deicing system for a fan blade, which comprises an impact device for generating impact waves to an icing area of the fan blade, a monitoring device and a control device. Wherein the control device is used for calculating target impact energy required for deicing according to the ice layer thickness, the ice layer environment temperature and the crack value monitored by the monitoring device, and controlling the impact device to generate impact waves to an icing area for deicing based on the target impact energy; and calculating new impact energy of the impact device when the icing area meets a preset secondary impact condition, and controlling the impact device to perform secondary impact according to the new impact energy. Therefore, the problems that a traditional physical deicing technology is low in energy transmission efficiency, thick ice is difficult to remove, and the icing position positioning precision is insufficient are solved, the ice layer is subjected to chain fracture by accurately controlling the impact position, energy and the time sequence, and the method is suitable for efficient deicing of the large wind generating set under the extreme weather conditions of freezing rain, wet snow and the like.

The invention provides a high-strength, high-temperature-resistant and flame-retardant cable sheath material. The high-strength, high-temperature-resistant and flame-retardant cable sheath material is prepared from the following raw material components in parts by weight: 40-70 parts of matrix resin, 10-30 parts of reinforced fibers, 15-30 parts of a flame retardant, 5-15 parts of an anti-ant agent, 2-8 parts of a compatibilizer, 0.5-5 parts of a processing aid and 2-4 parts of color master batch. The matrix resin comprises at least one of polyamide-imide resin, polyether-ether-ketone or polyurethane resin. The reinforced fibers comprise amino modified carbon fibers and aramid fibers, and the mass ratio of the amino modified carbon fibers to the aramid fibers is 1: (1-3). The flame retardant comprises nano magnesium hydroxide and aluminum hypophosphite, and the mass ratio of the nano magnesium hydroxide to the aluminum hypophosphite is (2: 1)-(3: 1). The invention discloses a cable protection sleeve, and aims to solve the common problems that an existing cable protection sleeve is prone to embrittlement or deformation in extreme weather such as freezing rain and high temperature, novel materials are high in manufacturing cost and difficult to be put into large-scale commercial use, and meanwhile, termites and rodents damage cables.

The invention relates to the technical field of electric power meteorological disaster prediction, and particularly provides a power grid extreme freezing rain quantitative short-term and temporary early warning method and device, and the method comprises the steps: taking the meteorological element data, topographic feature data and freezing rain cumulative prediction amount of a region as the input of a pre-trained physical constraint deep learning model; obtaining a freezing rain accumulated correction output by a pre-trained physical constraint deep learning model; determining a freezing rain cumulative forecast quantity of the region based on the freezing rain cumulative correction quantity; and performing power grid extreme freezing rain quantitative short-term and temporary early warning on the region based on the freezing rain accumulated forecast quantity of the region. According to the technical scheme provided by the invention, the early warning precision and response efficiency of the power grid under the extreme freezing rain condition can be remarkably improved, and a scientific decision basis is provided for power system safety scheduling, emergency ice melting and equipment risk management and control.

The invention relates to an on-line ice preventing / melting method for a railway overhead line system powered by a star-delta transformer. The method comprises the following steps that the star-delta transformer is transformed; calculating corresponding required phase differences under different ice melting current values; the phase difference is used for judging the required transformer ice melting gear K at the moment; selecting a proper number of windings according to the K value in the third step; adjusting the number of turns of the corresponding winding of the transformer according to the winding turn value in the fourth step; and switching on the isolation switch of the partition post to melt ice. The method has the beneficial effects that the phase shifting function of the adjusted transformer is utilized, so that the traction power supply system forms circulating current to melt ice, normal operation of a train in extremely cold weather such as freezing rain is ensured, and large-area train shutdown caused by icing of a contact network is avoided.

The invention relates to the technical field of data observation, and discloses a wind-vibration-resistant wire icing weight automatic monitoring device and method, and the device comprises a wire, a control unit, a weight detection unit, a wind-vibration-resistant unit, and a freezing rain recognition unit. A wire to be detected is installed on the weight detection unit, and the wind vibration prevention unit, the weight detection unit and the freezing rain recognition unit are in communication connection with the control unit. The wind vibration prevention unit comprises a plurality of electric push rods, a plurality of choke plates and a fixed connecting part, and the choke plates are mounted on the electric push rods; when the electric push rod is in the first state, the top end of the choke plate is lower than the wire; and when the electric push rod is in a second state, the projection of the wire towards the choke plate coincides with the projection of the choke plate. The freezing rain recognition unit recognizes environment temperature and rainfall conditions, the weight detection unit collects weight data of the wire and transmits the weight data to the control unit, a choke plate of the wind vibration prevention unit rises to form a static wind area, and interference of wind vibration on weight measurement of accumulated ice of the wire is restrained.

The application provides a vehicle window sealing assembly and a vehicle door. The vehicle window sealing assembly comprises a sealing member, a driving assembly and a gas pump controller. The sealing member is assembled on an outer door panel and located at an outer side of a vehicle window glass. The driving assembly and the gas pump controller are assembled in a receiving cavity. The sealing member comprises a sealing member body and a gas bag arranged in the sealing member body. The driving assembly comprises an air pump and an air pipe connected with the air pump. The air pump is communicated with the gas bag through the air pipe. The gas pump controller is electrically connected with the air pump, used for controlling and driving the air pump to inflate the gas bag through the air pipe, so that the gas bag is deformed and the sealing member body is expanded in a direction away from the outer door panel. The application can automatically remove the frozen ice and snow outside the vehicle window, and is free of manual ice removal, time saving and labor saving. In the process of driving, when the frozen rain accumulates, the user can open the vehicle window to quickly and reliably remove the ice without getting off the vehicle and stopping the vehicle, and keep the vehicle window in a state of being opened at any time.

The invention relates to the field of weather prediction, in particular to a winter rainfall phase state prediction method based on the thickness of a cold and warm layer, and the method comprises the steps: defining a melting layer and a freezing layer; after a first absolute threshold value and a first relative threshold value are determined, the absolute threshold value and the relative threshold value after dynamic optimization are obtained by taking a threshold value adaptive matching algorithm as a basic framework; and based on the absolute threshold and the relative threshold after dynamic optimization, a multi-rule collaborative discrimination system is constructed in combination with a cold and warm layer boundary and parameter extraction result, and a final rainfall phase prediction result and phase transformation probability distribution are obtained. According to the method, the temperature vertical structure of the ice particles and the freezing rain can be more accurately and quantitatively described through the newly prepared absolute threshold value and the threshold value relative index, the method has clear physical significance, the threshold value intervals are mutually independent and do not coincide, and a good judgment effect can be achieved on the ice particles and the freezing rain.

Electric heating anti-freezing rain high-speed rail contact line is to use electric heating method to make high-speed rail contact line heat, prevent high-speed rail contact line from icing in freezing rain weather, affect the normal operation of high-speed rail, solve the passenger stranded caused by the shutdown of high-speed rail in freezing rain weather and reduce the economic loss of railway company. Through the calculation of air heat dissipation power and electric heating power, the feasibility of the scheme is ensured.

This application belongs to the field of power system disaster prevention technology, and provides a method, device, electronic equipment, and storage medium for predicting icing areas. The method includes: acquiring atmospheric reanalysis datasets, site observation datasets, and terrain elevation datasets; preprocessing and filtering icing elements in the above data to obtain data based on freezing rain and climate fusion datasets, terrain feature tensors, and icing element data; inputting the obtained data into a pre-trained terrain adaptive convolutional network Monte Carlo random deactivation model, outputting the average probability of freezing rain and the standard deviation of uncertainty; inputting the average probability of freezing rain, the standard deviation of uncertainty, 10-meter high wind speed, wet-bulb temperature, supercooled precipitation, preset time step, icing density, and conductor equivalent radius into a Makkonen calibration model, outputting the predicted icing thickness; determining the predicted icing area based on a preset region, the predicted icing thickness, and preset conditions; thus improving the prediction accuracy of icing thickness and icing area.

The invention relates to the technical field of power grid disaster prevention, and discloses an efficiency evaluation method for artificial ice nucleus catalysis in a freezing rain environment, the freezing rain environment is simulated through a cloud chamber, and the method comprises the following steps: obtaining a first ice crystal concentration and a first artificial ice nucleus effective concentration when an artificial ice nucleus is added into the cloud chamber for contact freezing nucleation; the second ice crystal concentration and the second artificial ice nucleus effective concentration are added into the cloud chamber for desublimation nucleation, and the third ice crystal concentration is not added into the cloud chamber; obtaining first ice crystal generation efficiency based on the first ice crystal concentration, the third ice crystal concentration and the first artificial ice nucleus effective concentration; obtaining second ice crystal generation efficiency based on the second ice crystal concentration, the third ice crystal concentration and the second artificial ice nucleus effective concentration; and based on the first ice crystal generation efficiency and the second ice crystal generation efficiency and a preset threshold value, respectively evaluating the efficiency of contact freezing nucleation and the efficiency of desublimation nucleation, so as to realize the efficiency evaluation of artificial ice nucleus catalysis in the freezing rain environment.

The invention relates to a freezing rain day number distribution diagram drawing method and device based on power grid icing monitoring data, icing monitoring equipment and a computer readable storage medium. The method comprises the following steps: aiming at a plurality of different geographic areas, respectively acquiring a plurality of groups of icing monitoring data monitored by icing monitoring points of each geographic area in a preset time period; according to the icing monitoring data of each geographic area, determining the number of freezing rain days of each geographic area in the preset time period; and according to each freezing rain day number and the geographic position information of each geographic area, drawing a freezing rain day number distribution diagram. Because each power transmission line is basically provided with the icing monitoring device, the freezing rain of each geographic area is inversed based on the power grid icing monitoring data, a large amount of freezing rain observation data can be provided, the problem that the meteorological industry lacks freezing rain sensing data is solved, and the processing operation process is simple compared with modes such as machine learning.

The application discloses a nozzle structure of a climate wind tunnel and the climate wind tunnel. The nozzle structure of the climate wind tunnel comprises an annular frame body and a flow guide assembly. The annular frame body defines an air duct extending in a first direction. The flow guide assembly is arranged in the air duct and comprises a plurality of flow guide plates. The plurality of flow guide plates are arranged at intervals in a second direction perpendicular to the first direction. The flow guide plates are arranged obliquely relative to the first direction. The nozzle structure of the climate wind tunnel avoids direct air flow into a test space, and better realizes simulation of meteorological conditions such as high and low temperature, freezing rain, snowfall and icing.

The invention discloses a weather adaptive three-dimensional target detection method based on multi-modal fusion. The method comprises the following steps: acquiring a multi-modal data set marked with a three-dimensional target true value frame under complex weather; a dual perception fusion detection model is constructed, feature extraction is performed on the laser radar point cloud and the 4D millimeter wave radar point cloud, the features are mapped to a BEV space, a BEV space target distribution heat map is generated through a target perception enhancement module, a 4D millimeter wave radar feature modulation coefficient is generated through a weather perception modulation module, and 4D millimeter wave radar features are modulated. After being spliced with the laser radar features, the laser radar features are input into a decoder, and a target detection result is output; and training the model and carrying out weather adaptive target detection by using the trained model. According to the invention, through dual mechanisms of target space sensing gating and weather condition sensing modulation, the precision of three-dimensional target detection is greatly improved, excellent performance is shown, and the detection robustness is improved in extreme weather such as heavy snow, dense fog, freezing rain and the like.

The present disclosure relates to a freezing rain prediction training dataset construction method, device, equipment and medium. The freezing rain prediction training dataset construction method comprises: performing resolution alignment and data standardization processing on a multi-source fusion data body constructed based on satellite data and reanalysis data; determining freezing rain events in the processed multi-source fusion data body as positive sample data, and extracting non-freezing rain events based on a preset proportion to determine negative sample data, to construct a first training data sample set; incorporating a cloud top phase indicator factor calculated based on satellite data and an inversion layer intensity calculated based on reanalysis data into the first training data sample set in the form of new data channels to obtain a second training data sample set, and adding label information to the second training data sample set to obtain a freezing rain prediction training data sample set. Thus, the problem of imbalance between positive and negative sample categories is solved, and the accuracy of the freezing rain prediction result is improved.

The invention relates to a freezing rain disaster intensity weakening numerical simulation method and device based on warm cloud catalysis, electronic equipment and a storage medium, and the method comprises the steps: obtaining related condition data in a three-dimensional space, initializing a freezing rain particle swarm model based on the related condition data, selecting a manual intervention warm cloud layer region according to a preset condition, and carrying out the manual intervention of the warm cloud layer region; formulating a catalysis scheme by combining a preset target, performing first analog simulation on the catalysis scheme based on the freezing rain particle swarm model, determining an initial condition in a first analog simulation result, performing second analog simulation by combining the initial condition and the freezing rain particle swarm model, and calculating a freezing rain particle size spectrum, a freezing rain disaster intensity index and a freezing rain disaster grade, and determining a weakening value of the catalysis scheme to the freezing rain disaster intensity, and adjusting the catalysis scheme. Full-physical process coupling numerical simulation of warm cloud catalysis-raindrop particle size regulation-freezing rain formation-disaster intensity evaluation is realized, and the actual weakening effect of catalysis measures on freezing rain disasters can be quantitatively and objectively evaluated.

The present application relates to a kind of ice accretion and freezing rain device and test method suitable for low temperature environment, by the low temperature condition of being set by test equipment in environmental test chamber, according to the surface temperature of being tested equipment, the temperature of environmental test chamber is adjusted, so that the acceleration test of being tested equipment under low temperature can be carried out, and the real low temperature environment is simulated for being tested equipment;By setting mobile platform and spraying rack, being tested equipment can be uniformly sprayed and overall evenly iced in the process of experiment;By setting spraying device, water mist can be sprayed to being tested equipment, and the real freezing rain, ice accretion and rain environment are simulated;By setting axial fan, water mist sprayed by spraying device can be hit on the surface of being tested equipment, and the splashing icing and snow blowing environment are simulated;By setting measuring equipment, the environmental conditions of test area, the surface temperature of being tested equipment and ice accretion thickness can be measured, so whether the required environmental conditions of being tested equipment low temperature test are reached is judged.

The invention relates to the field of railway electrified power supply systems, in particular to a railway overhead line system icing form evolution characteristic quasi-steady-state numerical simulation method which comprises the steps of numerical simulation modeling, freezing rain liquid drop impact model setting, freezing rain liquid drop impact simulation, liquid film generation and phase change icing and ice layer appearance updating. According to the method, the whole process of the contact network surface from microscopic droplet impact to macroscopic ice layer formation is fully considered, the whole process comprises droplet impact, breaking, liquid film generation, phase change and ice layer form growth, compared with the prior art, prediction deviation caused by single link simplification is avoided, meanwhile, the grid is dynamically deformed through the RBF interpolation function, and the prediction accuracy is improved. Real-time updating of the ice layer appearance in the simulation process is achieved, and the limitation of a traditional fixed boundary method is overcome; in addition, the method also has the characteristics of real reproduced freezing rain intensity and environmental characteristics and high calculation efficiency.

The invention relates to the technical field of railway catenary deicing tests, in particular to a railway catenary deicing equipment rain, snow and ice multi-environment coupling test system which comprises an ice and snow wind tunnel bin and a ground verification bin, and a snow making module and a power module are arranged in the ice and snow wind tunnel bin; a spraying module, a contact network adjusting module and a deicing equipment driving module are arranged in the ground verification bin; the system further comprises a heat preservation module, a temperature control module, a pressure control module, a sensing module and a visual monitoring module. Accurate simulation of the icing state of the contact network is achieved through flying snow and freezing rain control, stress and airflow changes of the contact network can be truly reproduced, motion driving of multiple types of deicing equipment is compatible, the deicing operation process is simulated, the reliability of the deicing equipment in the extreme environment can be comprehensively verified, and the reliability of the deicing equipment is improved. The blank in the aspects of dynamic simulation, multi-phase coupling and system verification in the prior art is filled, and core support is provided for improving the anti-icing and deicing technology of the overhead line system.

The application provides a bridge component anti-icing performance test method and equipment, and the system realizes multivariate simulation test on the bridge cable icing process through integration of an adjustable angle support, a test piece refrigeration bin, an ice water control module and an automatic spraying module. The method comprises the following steps: recording initial parameters of the test piece, establishing a simulated freezing rain environment, performing a cyclic spraying test, measuring icing state parameters, and calculating and evaluating a comprehensive anti-icing index based on an equivalent icing amount, an anti-icing delay coefficient and an environmental correction factor. The application can solve the technical problems of low test efficiency, high cost and lack of evaluation method in the prior art.

The utility model relates to the technical field of vehicle low-temperature detection, in particular to a low-temperature experiment bin for vehicle detection. The low-temperature experiment bin for vehicle detection comprises an experiment bin body, a rotating plate, fixing blocks, an air cylinder, a refrigeration module, a temperature sensing module, a monitoring module, a water spraying module and an air circulation module, the left side of the experiment bin body is rotationally connected with the rotating plate, and the fixing blocks are symmetrically installed on the left side wall of the experiment bin body; inclined air cylinders are rotationally connected to the fixing blocks, and telescopic rods of the air cylinders are rotationally connected with the rotating plate. The refrigeration module and the water spraying module are integrally arranged in the experiment cabin, so that the experiment cabin can simultaneously simulate low-temperature and high-humidity environments including severe weather conditions such as rain, snow and freezing rain, the comprehensive simulation of multiple environmental factors is closer to an actual use scene, and the performance of a vehicle under extreme weather conditions can be more accurately evaluated; and valuable data support is provided for product development and quality assurance.

The application discloses a new energy automobile intelligent photovoltaic charging pile, which comprises a cabinet body, a charging assembly, a rod body and a photovoltaic panel, the rod body is provided with an adjusting device for detecting whether there is frozen rain on the photovoltaic panel and cleaning the frozen rain; the adjusting device comprises an adjusting frame slidingly arranged on the photovoltaic panel, an adjusting block elastically arranged on the adjusting frame, a detection roller rotatably arranged on the adjusting block, a traction mechanism for pulling the adjusting frame, an identification mechanism for identifying the presence of frozen rain on the photovoltaic panel and a cleaning mechanism for cleaning the frozen rain on the photovoltaic panel; the length of the detection roller is not greater than the width of the photovoltaic panel, and the outer peripheral wall of the detection roller is attached to the surface of the photovoltaic panel. The application has the effects of detecting and cleaning the frozen rain and can convert solar energy into electric energy.

The invention relates to an on-line ice preventing / melting method for a railway overhead line system powered by a Vv transformer. The method comprises the following steps that the Vv transformer is transformed; calculating corresponding required phase differences under different ice melting current values; the phase difference is used for judging the required transformer ice melting gear K at the moment; selecting a proper number of windings according to the K value in the third step; adjusting the number of turns of the corresponding winding of the transformer according to the winding turn value in the fourth step; and switching on the isolation switch of the partition post to melt ice. The method has the beneficial effects that the phase shifting function of the adjusted transformer is utilized, so that the traction power supply system forms circulating current to melt ice, normal operation of a train in extremely cold weather such as freezing rain is ensured, and large-area train shutdown caused by icing of a contact network is avoided.

The invention relates to a freezing rain disaster layered catalysis simulation method and device based on dynamic feedback optimization, electronic equipment and a storage medium, and the method comprises the steps: obtaining related data of a catalyst to construct a freezing rain catalysis simulation model, coupling the freezing rain catalysis simulation model to a cloud micro-physical scheme of a meteorological numerical mode, determining a layered collaborative catalysis scheme, and performing a simulation experiment on the layered collaborative catalysis scheme based on the freezing rain catalysis simulation model, generating an optimization strategy according to the simulation experiment, constructing a catalytic efficiency quantitative evaluation method, outputting an optimization strategy meeting a preset condition according to an evaluation result, and generating a dynamic optimization layered sowing scheme. Finally, a multi-index evaluation system with the supercooled water-ice phase particle conversion efficiency as the core is established, the limitation of single-zone catalysis is broken through, and the supercooled water phase change efficiency and the freezing rain prevention and control accuracy are remarkably improved by analyzing a supercooled water-thermal inversion layer linkage mechanism and achieving layered collaborative intervention.

The invention discloses a frozen rain broken branch cleaning device which comprises a walking mechanism and further comprises a supporting frame erected on the walking mechanism. The vehicle body is arranged on the supporting frame; the moving mechanism is used for moving and walking, the supporting frame is used for supporting the vehicle body, the broken branch crushing mechanism and the grabbing mechanism, and the rotating mechanism is used for adjusting the directions of the vehicle body, the broken branch crushing mechanism and the grabbing mechanism. The vehicle body is used for providing an operation environment and bearing important parts for workers, the broken branch smashing mechanism is used for smashing and recycling broken branches needing to be cleaned, the grabbing mechanism is used for grabbing the broken branches needing to be cleaned, and through the structure, cleaning and recycling of the broken branches needing to be cleaned in the freezing rain are achieved.