732 results about "Snow removal" patented technology

The present invention relates to the technical field of control cabinets, and provides an electrical control cabinet for a thermal power plant, comprising an electrical control cabinet, wherein the electrical control cabinet is provided with a plurality of ventilation openings, a heat absorption plate is fixedly mounted on an inner wall of the electrical control cabinet, a heat dissipation structure is mounted on the heat absorption plate, four connecting bases are symmetrically and fixedly mounted on a top side of the electrical control cabinet, a ventilation structure is mounted on the four connecting bases, two mounting frames are symmetrically and fixedly mounted on the top side of the electrical control cabinet, and an anti-snow structure is mounted on the two mounting frames. According to the present invention, heat dissipation is achieved by means of a combination of heat conduction and air cooling, thereby further improving the heat dissipation effect of the electrical control cabinet. When the present invention is used in winter, if the ambient temperature is low, a fan and an electric heating tube can be turned on to heat internal equipment within the electrical control cabinet, so as to prevent any impact on the operation of the equipment due to excessively low temperatures; when the present invention is used outdoors, a protective metal roof can be employed for snow protection. Furthermore, the present invention also includes a snow removal function.

The invention relates to an ice and snow disaster variable speed limit control method and system based on a friction coefficient, and belongs to the field of intelligent traffic. According to the method, a set of variable speed limit control units are arranged on a road at intervals, and all the variable speed limit control units are in communication connection with a centralized decision-making unit through communication modules; each set of variable speed-limiting control unit detects traffic flow data, meteorological environment data and road condition data of a lane level in real time, uploads the data to the centralized decision-making unit, determines an optimal lane-level variable speed-limiting control scheme and an optimal deicing and snow-removing scheme through a decision-making optimization algorithm, and issues the optimal lane-level variable speed-limiting control scheme and the optimal deicing and snow-removing scheme to the variable speed release module; and the variable speed release module releases a lane level variable speed limit control scheme of a corresponding section, namely the lowest speed limit value, the highest speed limit value, the suggested speed and the like of each lane, and performs deicing and snow removal operation according to the deicing and snow removal scheme so as to ensure road traffic safety in ice and snow weather. The road traffic safety guarantee level is improved through variable speed limiting.

The invention relates to the technical field of road traffic management and maintenance, in particular to a method for configuring ice and snow removing and traffic keeping mechanical equipment in a regional road network, which comprises the following steps of: formulating a standard road section length standard for configuring ice and snow removing mechanical equipment; dividing the roads into different grades based on the requirements of unobstructed and unobstructed road maintenance of different road sections in the regional road network; corresponding ice and snow removing operation time limit requirements are provided according to different grades of roads and different snow conditions; according to the regional characteristics, selecting proper conventional ice and snow removing mechanical equipment types; determining the configuration number of ice and snow removing equipment based on the equipment operation parameters and the actual condition of the road; and in combination with different snow conditions and different grades of roads, an applicable ice and snow removal operation combination mode is calculated, and the number of operation combination tables is determined. According to the method, the configuration number of the equipment is determined by combining the operation parameters of the equipment with the actual condition of the road, so that the allocation of the equipment is more scientific and reasonable, the problem of resource waste is reduced, and the unobstructed and smooth capability of the road in winter is improved.

The invention discloses a two-stage multi-task image restoration method based on an RDM-CS framework (see figure 1), which can process various image restoration tasks such as low illumination, rain removal, snow removal, defogging and the like at the same time. Comprising the following steps: 1) processing and dividing a data set; and 2) carrying out feature extraction by using a VQGAN encoder and completing forward diffusion on the feature zt. And 3) training the prediction noise network and the prediction residual network to obtain residual and noise, and then completing reverse generation. And (4) training a CS (Channel-Spatial Transform) network (Channel-Spatial Transform). And 5) testing in the test set of each data set, and evaluating the image restoration effect. According to the method, through the multi-stage feature extraction and diffusion process, the model can effectively process various image degradation problems, and the image restoration quality and efficiency are improved. The system has a unified model architecture, can adapt to different image recovery tasks, and has relatively high practicability and popularization value.

The invention relates to an airport snow sweeper cooperative formation control method, electronic equipment and a medium, and the method comprises the steps: building a vehicle transverse and longitudinal coupling kinematic model in an airport snow removal environment based on environmental parameters, the vehicle transverse and longitudinal coupling kinematic model comprises transverse and longitudinal physical quantity cross terms, enabling the longitudinal speed to affect the transverse posture change, and enabling the longitudinal speed to affect the transverse posture change; the transverse path characteristics and the control input restrict the longitudinal motion; constructing a formation constraint model based on the vehicle transverse and longitudinal coupling kinematics model; constructing a distributed communication topology model based on a directed graph and an adjacent matrix; constructing a single vehicle local optimization control problem model; and iteratively solving the single vehicle local optimization control problem model based on a path guiding type distributed model predictive control algorithm to obtain the optimal control input of each vehicle. According to the method, control input can be optimized while accurate path tracking of the snow sweeper is ensured, energy consumption and cost are reduced, and collaboration, safety and efficiency of snow removal operation of an airport can be improved.

The invention relates to the technical field of path planning control, in particular to an intelligent anti-icing snow-removing trolley control method, which comprises the following steps that a dynamic risk map is constructed, and each grid unit of the dynamic risk map comprises a comprehensive risk cost value obtained by fusing an ice and snow attachment risk value, a collision risk value and a task weight value; inputting the dynamic risk map into a collaborative game framework, and generating a plurality of path proposals in parallel through the plurality of virtual decision agents to obtain a consensus trajectory; solving an optimal control instruction set; and issuing the optimal control instruction set to an execution system of the snow removal trolley for cooperative control. According to the invention, the improved model prediction controller adjusts the prediction time domain length and the cost function weight matrix in real time, optimizes and tracks the path based on the dynamic risk map, can accurately avoid obstacles in a high-risk area, and optimizes the energy efficiency in a low-risk area.

The invention provides a power transmission line icing image sharpening method based on visual high and low frequency characteristics, and belongs to the technical field of power transmission line monitoring. Frequency domain feature extraction and guide image restoration are carried out through the frequency domain feature extraction sub-network; performing spatial domain feature extraction and multi-scale expression through the spatial domain feature extraction sub-network; and carrying out joint optimization on the output of the frequency domain feature extraction sub-network and the output of the spatial domain feature extraction sub-network through cross-domain feature fusion connection, and outputting a power transmission line icing clearness image after defogging and snow removal through an image reconstruction module. The method has the advantages that an innovative architecture with cooperation of frequency domain feature separation and spatial domain feature extraction is provided, and the image restoration effect is remarkably improved; the high-frequency component optimizes texture expression through key details, the low-frequency component models global distribution characteristics of non-uniform fog and snow noise based on an improved Transform module, and differential analysis and collaborative optimization of complex degradation features are achieved through combination of the high-frequency component and the low-frequency component.

The invention relates to the technical field of mechanical engineering and intelligent control, and particularly discloses a dynamic leveling method and system for a damping profiling icebreaking snow remover. The method comprises the steps that high-strength alloy impact toughness parameters and staggered rolling path parameters are collected, an icebreaking wheel set rigidity matching matrix is generated through optimization, and adjustable rigidity assignment is completed; acquiring road surface fluctuation data within a profiling distance based on a laser ranging device, and fusing multispectral and millimeter wave radar data to generate a three-dimensional dynamic terrain map; inputting the rigidity matching matrix and the dynamic terrain map into an LSTM mechanical simulation engine, calculating five-wheel-set dynamic pressure distribution and outputting real-time wheel set pressure parameters; the real-time pressure parameter is compared with the measured value of the sensor, and an oil cylinder stroke compensation instruction is generated to drive hydraulic leveling control; analyzing the three-dimensional position offset of the snow shovel and the ice breaking wheel, converting the three-dimensional position offset into a side row inclination angle parameter, and generating a multi-shaft torque cooperative control instruction; and generating a material wear characteristic spectrum through federal learning training, and dynamically correcting a path inclination angle and a rigidity compensation parameter. The ice breaking and snow removing device has the beneficial effects of improving ice breaking and snow removing efficiency, enhancing equipment stability and reducing material abrasion.

The invention discloses an air-ground cooperative photovoltaic panel intelligent snow removal system, and relates to the technical field of intelligent control. A central intelligent scheduling management subsystem is used for receiving operation and maintenance requirements of a photovoltaic power station, planning a routing inspection path, receiving a routing inspection result, analyzing the routing inspection result, and generating an optimal snow removal scheme; the parking station unmanned aerial vehicle subsystem is used for collecting surface data of the photovoltaic panel according to the inspection path and analyzing the surface data of the photovoltaic panel by adopting an accumulated snow automatic identification model to obtain an inspection result; and the ground operation vehicle subsystem is used for cleaning the snow accumulation area according to the optimal snow removal scheme and uploading a cleaning result to the central intelligent scheduling management subsystem. The problems that an existing photovoltaic panel snow removal technology is low in efficiency, poor in adaptability and lack of air-ground cooperative linkage are solved, whole-process intelligentization of routing inspection, diagnosis, sweeping and dispatching is achieved, and the operation and maintenance efficiency and power generation stability of a photovoltaic power station under extreme climate and complex terrain are improved.

The invention discloses a multifunctional cleaning device for a photovoltaic panel, and relates to the technical field of photovoltaic panel cleaning. The device comprises a vehicle body, a mechanical arm and a fixing frame located at one end of the mechanical arm, the fixing frame is hinged to one end of the mechanical arm, a sweeping assembly is arranged in the fixing frame and comprises a snow removing unit and a conveying unit, the snow removing unit comprises a sweeping brush, a rotating plate and a snow shoveling plate, and the sweeping brush and the rotating plate sweep snow through rotation; floating snow can be efficiently removed through the sweeping assembly without damaging a photovoltaic panel coating film, accumulated snow is directionally gathered through the rotating plate, the sweeping concentration degree is improved, the accumulated snow and an ice layer can be effectively shoveled and compacted through the obliquely-arranged snow shoveling plate, the problem that the adaptability of a single sweeping component is poor is solved, the accumulated snow can be rapidly conveyed to the collecting hopper through the conveying pipe to be stored in a centralized mode, and the sweeping efficiency is improved. Therefore, secondary accumulation of accumulated snow around the photovoltaic panel is reduced, the power generation efficiency is improved, and the service life of equipment is prolonged.

The utility model relates to the technical field of road snow melting, in particular to a high-efficiency gravity type inorganic heat pipe for road snow melting, which comprises an evaporation pipe, a silicon carbide pipe is sleeved on the outer side of the evaporation pipe, and working fluid is filled in the evaporation pipe. A plurality of fins are arranged on the surface of the condensation cavity pipe, and a heat insulation cavity pipe is arranged between the condensation cavity pipe and the evaporation pipe; the device has the advantages that the whole device is of an inverted-L-shaped structure, the evaporation pipe of the device is embedded into a roadside roadbed, then the condensation cavity pipe is partially embedded into a pavement asphalt layer with the fins facing upwards, in the snow melting process, the temperature of the evaporation pipe is high, the temperature of the condensation cavity pipe is low, and working liquid in the evaporation pipe evaporates from the evaporation pipe and flows upwards to the condensation cavity pipe; and heat is released and condensed on the upper wall of the condensation cavity pipe and the fins, and then flows back to the evaporation pipe under the action of gravity, so that efficient transfer of heat is realized, the environment is protected while efficient snow melting is realized, and the problems of low snow removal efficiency and damage to the environment and the road surface are avoided.

The invention discloses a photovoltaic panel cleaning device capable of intelligently removing snow, and relates to the technical field of photovoltaic panel cleaning, the photovoltaic panel cleaning device comprises a main body mechanism, the main body mechanism comprises a photovoltaic panel body, the photovoltaic panel cleaning device capable of intelligently removing snow is provided with a cleaning mechanism, accumulated snow on the surface of the photovoltaic panel body can be removed, and the cleaning efficiency is improved. A scraper blade is worn after long-time use, a first spring in a compressed state extends in an inner cavity of a moving groove under a counter-acting force to push the scraper blade to move downwards, so that the scraper blade is in contact with the surface of the photovoltaic panel body again, and the cleaning stability is further ensured; a connecting plate is pushed to move downwards under the counter-acting force of a second spring; the collision rod drives the rubber head to make contact with the photovoltaic panel body, a thin ice layer formed by the photovoltaic panel body cleaned by the scraper blade can be crushed, the cleaning effect on the photovoltaic panel body can be further improved, meanwhile, after the ice layer is damaged, sunlight can penetrate through ice layer fragments, and the light energy absorption efficiency of the photovoltaic panel is improved.

The invention discloses a cable protection device for hydroelectric power generation, and relates to the technical field of electric power facility protection, the cable protection device comprises a rack, a monitoring mechanism, an accumulated snow cleaning mechanism, an icebreaking mechanism, a rotary cutting mechanism and a walking mechanism, the inner side of the rack is also provided with a snow removing mechanism at the rear side of the accumulated snow cleaning mechanism, and the two side surfaces of the rack are also provided with photovoltaic panels; a V-shaped groove wheel lateral clamping design is adopted, ice nodule clamping stagnation is avoided, the device is suitable for a large-gradient cable, the limiting protection mechanism can prevent the cable from being excessively lifted during operation, in addition, the limiting protection mechanism can be used for protecting the cable from being lifted, and the cable is prevented from being damaged. According to the ice breaking device, the modes of mechanical extrusion, rotary cutting, heat energy assistance, ultrasonic resonance and the like are fused, the integrated design is achieved, the ice breaking device can adapt to various ice types, ice condition recognition and ice breaking force closed-loop control can be achieved through fusion of multiple sensors, and therefore efficient snow or ice removal on the cable is achieved.

Visual patrols are conducted to carry out snow removal work on snow-covered roads, but there is inconsistency in the judgment of the timing of snow removal work depending on the experience of the patrol officers, etc. This causes delays in snow removal work and reduces road traffic functions during the winter. [Solution] A snow removal decision support system and program, and road management method, comprising an information acquisition unit that acquires two or more pieces of information from the following: information on road surface conditions, information on traffic conditions, information on road space conditions, information on weather conditions, information on vehicle driving conditions, information on road service conditions, and information on snow removal conditions; an analysis unit that analyzes the two or more pieces of information acquired by the information acquisition unit; a decision unit that determines the need for snow removal based on some or all of the results analyzed by the analysis unit; and a road snow removal unit that formulates an implementation plan for snow removal, in which the decision unit determines the need for snow removal.

The invention provides vehicle window glass and a vehicle, the vehicle window glass comprises laminated glass and a heating element, the laminated glass is provided with a windscreen wiper stop area, the heating element is a planar heating element, and the heating element is arranged in the windscreen wiper stop area; the heating element can enable the windscreen wiper stay area to have the heating power density ranging from 300 W / m < 2 > to 1600 W / m < 2 >. Therefore, through the planar heating element arranged in the bottom shielding area, the unfreezing time can be shortened to a proper time, and rapid defrosting, deicing and snow removing of the windscreen wiper are achieved.

The invention discloses an image snow removal method based on complementary hybrid expert and consistency bias subnet routing, which comprises the following steps of: introducing a complementary hybrid expert decoder with a multi-dimensional modeling capability, and combining a subnet routing mechanism capable of dynamically sensing the consistency of multi-source features; complex interference of snow particles and snow fog in multiple dimensions such as space, channel and frequency in a snowfall scene is efficiently dealt with, full expression and cooperative modulation of features of different dimensions are achieved, and image detail recovery and overall snow removal effects are effectively improved. Through self-adaptive expert activation and optimization of a routing strategy, calculation resource consumption and parameter redundancy of the model are effectively reduced, and reasoning efficiency and actual deployment flexibility are improved; on the whole, the adaptive capacity and the recovery quality of the snow removal model to different snowfall scenes are improved, meanwhile, the high efficiency and the practicability of the model are considered, and the requirements for the image definition and the system real-time performance under various practical application scenes such as automatic driving and intelligent monitoring can be better met.

A telescopic snow removing shovel welding device comprises a welding table, electric sliding tables, welding arms and a snow removing shovel inner support, the electric sliding tables are symmetrically installed on the front side and the rear side of the top of the welding table, the two welding arms are installed in the two electric sliding tables respectively, and supporting seats are symmetrically arranged on the left side and the right side of the top of the welding table. According to the scheme, a supporting rod and a sliding base are matched to rotate a second hand wheel to adjust the distance between the clamping position and the overturning center, then the distance between a first screw rod and a first hand wheel is adjusted to adapt to overturning center points of inner supports of snow removing shovels of different specifications, and it is guaranteed that the positions before and after overturning are consistent; then, automatic clamping and fixing are achieved through wedge-shaped grooves of a fixing block and a clamping block, the welding efficiency is improved, finally, through cooperation of an overturning clamping ring, a supporting rod and a guiding inclined groove, the clamping force is temporarily increased in the overturning process, sliding caused by gravity center shifting is avoided, the position accuracy is ensured, and therefore the welding accuracy is improved.

The utility model discloses a photovoltaic system manual snow removing device convenient to operate, and belongs to the field of photovoltaic technology, a photovoltaic system comprises a photovoltaic support and a photovoltaic assembly array installed on the top of the photovoltaic support, the snow removing device comprises a transmission part, a snow removing part and a manual driving part, the transmission part is installed on the photovoltaic support, and the snow removing part is installed on the transmission part. The transmission part comprises a transmission wheel and an annular moving part, the snow removing part is connected with the annular moving part and is driven by the annular moving part to move along a longitudinal moving path, so that the snow removing part passes through the photovoltaic module array from top to bottom in the longitudinal direction and removes accumulated snow, the manual driving part comprises an operated part installed on the stand column, and the operated part can be operated. Therefore, the manual driving part operates and drives the transmission part. The snow remover can realize manual snow removal after snow, is simple to operate, and can reduce the operation and maintenance difficulty at the same time.

This utility model provides a road snow removal device, belonging to the field of road snow removal technology. The road snow removal device includes: a mounting frame, a first rotating shaft, a first spiral blade, a second spiral blade, a snow discharge hole, a support base, a second rotating shaft, a snow discharge fan, a snow throwing hole, and a snow throwing tube. By mounting multiple first spiral blades and multiple second spiral blades on the outside of the first rotating shaft, when the first rotating shaft is rotated, it drives the multiple first spiral blades and multiple second spiral blades to rotate, thereby enabling the first and second spiral blades to disperse accumulated snow and ice, facilitating the removal of snow and ice and improving the user experience. By positioning the snow discharge hole between the first and second spiral blades, and arranging the first and second spiral blades opposite to each other, the first and second spiral blades work together to push accumulated snow at the snow discharge hole, preventing snow from being discharged through the snow discharge hole.

1. The name of the design product: handheld fan (violent type). 2. The use of the design product: for blowing, heat dissipation, dust removal, snow removal and other multi-purpose. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The application discloses an image snow removal method based on a Transformer modeling and multi-scale dynamic filtering, and comprises the following steps: a data set containing a snow scene image and a corresponding snow-free image is established; an image snow removal network fusing global Transformer modeling and multi-scale dynamic filtering is constructed, and the image snow removal network is denoted as TranFusionNet; the TranFusionNet is trained by using the data set until a preset loss function converges; and a to-be-removed snow image is processed by using the trained image snow removal network to obtain a snow removal result. The application realizes deep fusion of global dependence modeling and local detail enhancement, achieves a good balance between structure consistency maintenance and detail recovery, can effectively remove complex snow particle interference, and reconstructs a clear and natural visual image, thereby providing an efficient solution for the image recovery field.

The utility model discloses an adjustable snow-melting agent spreader, which relates to the technical field of snow-removing equipment and comprises a storage bin, a spreader body, an adjusting device, a control device and a control system, and the storage bin is used for storing snow-removing materials; the orientation adjusting mechanism comprises a discharging port, a first locking hole and a second locking hole, the discharging port is formed in the bottom of the right end of the bin body in a penetrating mode, the first locking hole and the second locking hole are formed in the bottom of the right end of the bin body, the first locking hole and the second locking hole are located in the two sides of the discharging port correspondingly, and an adjusting pipe is rotationally arranged on the inner side of the discharging port in a nested mode through a bearing; and the outer side of the adjusting pipe is fixedly sleeved with a locking bolt, an adjusting disc in threaded connection with the locking bolt is arranged on the right side of the locking bolt in a penetrating mode, and the end of the adjusting disc extends to the inner side of the second locking hole to be locked. According to the utility model, the orientation of the spreading mechanism can be adjusted, so that the spreading device can be directly placed on the ground when not in use, and is more convenient in actual use.

A snow removal device comprising a mounting device for attachment to a vehicle, wherein the snow removal device comprises at least two snow removal devices (1, 2, 3), a central snow removal device (2) and at least one outer snow removal device (1, 3) which are pivotably and rotatably arranged to the left or right, or to the left and right of the central snow removal device (2), characterized in that the two outer snow removal devices (1, 3) can be rotated in the direction of travel so that they are folded over the central snow removal device (2) and do not project laterally beyond it, i.e., they have an internal angle of 0 degrees, for this purpose the snow removal device comprises a drive device which performs a linear movement which lengthens or shortens a path and exerts a force on a triangular frame (5) mounted by means of three axes, pivot axes (6, 7, 8), which is connected to the central snow removal device (2) via one of the axes, pivot axes.wherein the triangular frame (5) in turn exerts a force via an axis, pivot axis (10) on each connecting part (9), which in turn transmits the force to at least one of the two outer clearing devices (1, 3).

The present application relates to the technical field of image processing, in particular to an automatic snow removal method and system based on image enhancement processing, comprising the following steps: collecting an original snow image of a road surface, decomposing the image brightness component by using a multi-scale Retinex algorithm, decomposing into a low-frequency component and a high-frequency component, and generating an enhanced image; based on the enhanced image, calculating the joint gradient of saturation and brightness in the pixel point HSV space, and generating a snow region binary segmentation image by using an improved Otsu double threshold method; determining the snow compactness level according to the texture uniformity; driving an execution mechanism to spray snow remover according to path coordinates, and adjusting the snow remover spraying concentration in combination with the compactness level. The present application improves the snow boundary definition and the internal texture recognizability of patches, lays a high-quality image foundation for subsequent segmentation and analysis, and enhances the adaptability and stability of the system under natural light conditions.

This utility model discloses a support wheel structure for a snow removal roller brush, belonging to the field of snow removal roller brush technology. It includes a rear axle of a roller brush frame, with a support wheel mounting plate integrally welded to the rear axle. The outer wall of the support wheel mounting plate has several through-hole adjustment mounting holes, each containing a wheel frame mechanism. Symmetrical return springs are installed on the wheel frame of the support wheel to promptly reset it when lateral torsion occurs, preventing the support wheel from rubbing against the ground in an out-of-position state for extended periods, thus avoiding damage from excessive load. A disc spring assembly is installed within the universal joint of the support wheel to provide vertical shock absorption, protecting the support wheel when encountering bumpy surfaces. Several adjustment mounting holes on the support wheel mounting frame allow for easy adjustment of the support wheel's installation height as the brush wears down, facilitating continued brush use.

The utility model discloses a front and rear protection device of a rotating mechanism, which relates to the technical field of road snow removal equipment and comprises a rotating mechanism front protection cover and a rotating mechanism rear protection cover which are respectively arranged on the front side and the rear side of a side row rotating mechanism; the rotating mechanism front protective cover is fixed on the icebreaking machine frame body; the rotating mechanism rear protection cover is rotatably arranged on the icebreaking machine frame body, one end of the rotating mechanism rear protection cover is rotatably installed on the icebreaking machine frame body through a pivot shaft, and a shovel blade is fixed to the other end of the rotating mechanism rear protection cover; the lower side of the rotating mechanism rear protection cover is rotatably connected with one end of a hydraulic cylinder, and the other end of the hydraulic cylinder is rotatably connected with the icebreaking machine frame body. According to the utility model, foreign matters can be prevented from entering the high-speed rotating side-row rotating mechanism, the side-row rotating mechanism is prevented from being damaged, the maintenance cost is reduced, and the service life of equipment is prolonged.

The invention relates to the technical field of rail transit, in particular to a high-speed large-air-volume turnout snow and sand removing device and method.The high-speed large-air-volume turnout snow and sand removing device comprises an air compression mechanism used for generating high-speed large-air-volume air, the air conveying end of the air compression mechanism is communicated with at least one air conveying pipe, and a nozzle is installed at the free end pipe opening of each air conveying pipe; the free ends of the multiple air conveying pipes are installed at the turnout position of a track, high-speed and high-pressure air flow is sprayed to a gap space formed between a turnout switch rail and a stock rail through the arrangement of the first air conveying pipe, the second air conveying pipe, the first flow dividing nozzle and the second flow dividing nozzle, an air curtain is formed, and falling snow and sand dust in the gap space are prevented and removed. Through the arrangement of a third air conveying pipe, a fourth air conveying pipe, a third nozzle and a fourth nozzle, high-speed and high-pressure air flow is sprayed to the areas of the action rod and the indication rod of the switch machine, a vortex area is formed, and falling snow and sand dust in the areas of the action rod and the indication rod of the switch machine are prevented and removed.

The utility model discloses a profiling snow scraping shovel. The profiling snow scraping shovel comprises a bucket body, a shovel blade, a rotary connecting piece and an elastic reset piece. The bucket body comprises a front plate and a back plate; the front plate and the back plate are oppositely arranged, and a flat groove for installing a scraper knife is formed in the landing side of the bucket body. And the scraper knife is rotationally mounted on the back plate through the rotary connecting piece, so that the scraper knife has a rotational degree of freedom in the plane where the flat groove is located. The rotary connecting piece is a set of shaft sleeves, and a first receding hole set matched with the shaft sleeves is formed in the scraper knife. And the elastic resetting piece accumulates elastic restoring force under the rotation of the scraper knife so as to drive the scraper knife to reset after the external force is removed. The snow scraping shovel further comprises a fastener which is used for directly or indirectly connecting and fixing the front plate and the back plate. When the scraper knife makes contact with the uneven ground, the working angle is adjusted in a self-adaptive mode, the snow removing efficiency is improved, and working noise and equipment abrasion are reduced.

The utility model discloses a side wing shovel with a controllable opening and closing angle, and relates to the technical field of snow removal equipment, the side wing shovel comprises a front-end girder fixing frame and a rear-end girder fixing frame, the front-end girder fixing frame and the rear-end girder fixing frame are both fixedly connected with a vehicle, one end of the front-end girder fixing frame is fixedly connected with an oil cylinder connecting plate, and the other end of the front-end girder fixing frame is fixedly connected with an oil cylinder. The lower end of the oil cylinder connecting plate is rotationally connected with a second front-end connecting rod, the position, located above the second front-end connecting rod, of the oil cylinder connecting plate is rotationally connected with a first front-end connecting rod, and a third front-end connecting rod is arranged between the ends, away from the oil cylinder connecting plate, of the first front-end connecting rod and the second front-end connecting rod. Two ends of the third front-end connecting rod are rotationally connected with the first front-end connecting rod and the second front-end connecting rod The front end and the rear end of the side wing shovel are simultaneously and stably lifted, the front lifting oil cylinder and the rear lifting oil cylinder control the side wing shovel, the snow plate direct-pushing type opening and closing structure is adopted, and the swing oil cylinder randomly controls the opening and closing angle.

The invention relates to the technical field of snow remover spiral cylinder production and machining, in particular to a laser welding clamping device for snow remover spiral cylinder production, which comprises a shell, a plurality of partition plates are fixedly connected to the inner side of the shell, and a slope is arranged at the lower end of one side of the shell. A second motor is fixedly connected to the side, away from the slope, of the shell, a guide disc is rotationally connected to the inner wall of the shell, an adjusting device is arranged on one side of the guide disc, and a limiting assembly is arranged in the adjusting device; a first rotating rod drives a guide disc to rotate, clamping and loosening of a fixed wheel are achieved through sliding grooves in the two sides, meanwhile, positioning of a fan, blades and a spiral barrel is achieved through rotation of a threaded rod, after welding is finished, a second rotating disc is driven to rotate through a first rotating disc, and a second connecting rod and the whole spiral barrel are pushed to be rapidly separated from a sliding ring; and the welded spiral barrel is unlocked to prevent high-pressure deformation after welding.