126 results about "Blowing snow" patented technology

The invention relates to a movable and portable wind erosion tunnel. A tunnel body consists of a power section, an expansion section, a shrinking section, experimental sections, a pressure expanding opening and matched instruments. All sections of the tunnel are connected with each other through flanges which are integrally bent. Sealing strips are stuck at flange joints. The tunnel can be conveniently used for determining all kinds of wind erosion parameters of a field original ground surface. The movable and portable wind erosion tunnel is characterized in that: 1) a free vortex air flow and a stable-flow air flow field can be generated; 2) all kinds of wind force similar to natural climate can be generated; 3) the tunnel is durable, safe and reliable; and 4) the tunnel is convenient tomove and is easy to disassemble and assemble. The movable and portable wind erosion tunnel is suitable for carrying out all kinds of experimental observations in aspects of field wind and sand flow starting, wind speed and pressure, sand transport, erosion, model flow field and wind and snow flow, and researches in micro aspects such as grain speed, concentration, energy distribution and the like. Basic experimental equipment is provided for field ground surface wind erosion in-situ experiments, wind-blown snow experiments and researches on wind and sand movement rules under special environments (such as Qinghai-Tibet Plateau high-cold low-pressure environment and the like) in China.

A blade or paddle for use with a snowblower impeller formed from a flexible material. The flexible material includes a plurality of layers of reinforcing material to reinforce the blade and provide greater tensile strength. The working edge of the blade includes a plurality or pattern of indentations, serrations or dimples that provide an improved engagement function of the blade or paddle and the surface of the ground.

An article of manufacture suitable for cleaning the top of a vehicle, comprising: at least one blower: and a support for said blower, wherein said support positions the blower to blow snow or debris from the top of a vehicle. This invention improves on prior art by using blowers to remove snow from large vehicles.

A control platform for directing the operation of a snowblower is provided. The platform includes a bail which is pivotably moveable within the platform. Attached to and moveable with the bail are levers for controlling the engagement or disengagement of the drives that power the snowblower's wheels and auger. Also attached with the bail are controls which permit the operator to change the speed and/or direction of the snowblower as well as the orientation of the discharge chute. Through their attachment to the bail and proximity relative to one another, an operator can use each of the levers and controls simultaneously. Accordingly, the platform permits an operator to engage or disengage the drives which power the snowblower's wheels and auger while, simultaneously, enabling a change in speed or direction as well as the direction towards which snow is directed during the removal process.

The invention discloses a blowing nozzle for blowing a nozzle. The blowing nozzle comprises a blowing nozzle main body (1) with an air inlet end and an air outlet end, wherein a plurality of first separating boards (12) extending from the air inlet end to the air outlet end are arranged in the blowing nozzle main body (1); the inside of the blowing nozzle main body (1) is divided into a plurality of independent air blowing channels (2) by the first separating boards (12); and the cross section area of each air blowing channel (2) is gradually reduced from the air inlet end to the air outlet end. The invention further discloses a snow blowing vehicle using the blowing nozzle for blowing snow. According to the blowing nozzle for blowing the snow, which is disclosed by the invention, the air blowing channels (2) of which the cross sections are gradually reduced are arranged in the blowing nozzle main body, so that air current in each fluid is accelerated under the air pressure is fixed and further the flow speed of the air current jetted from the air inlet end is higher and the snow blowing effect is improved on the basis of a simple and reasonable structure; and in addition, the snow removing capability of the snow blowing vehicle using the blowing nozzle for blowing snow is improved.

The present ivnention relates to the technology of eliminating road obstacle, and the method of removing snow and fog in road is to utilize artificial wind to blow snow and fog out of road or airport by laying pipeline with installed blowers and wind outlets. Repeated simulation experiment shows that the method is simple, safe, reliable and no pollution, and can ensure smooth traffic.

The invention relates to an ice and snow removing device, in particular to a combined ice and snow removing device for breaking and crushing ice and snow and blowing snow. The combined ice and snow removing device for breaking and crushing ice and snow and blowing snow is characterized in that an ice and snow breaking part is arranged in front of a connection supporting frame body part; a side snow discharging part is arranged below the side of the connection supporting frame body part; a snow blowing and removing part is arranged behind the side snow discharging part; and an ice and snow crushing part is arranged below the connection supporting frame body part. The combined ice and snow removing device for breaking and crushing ice and snow and blowing snow has the beneficial effects of being simple in structure, performing mechanical transmission, being suitable for cold region operation and low in fault rate, making blade replacement convenient and being long in service life of blades; full-system one-time ice and snow removal for breaking ice, crushing ice, pushing ice and snow and blowing ice and snow can be achieved; a road surface and a road surface marking line are not damaged; and the combined ice and snow removing device for breaking and crushing ice and snow and blowing snow has the functions of absorbing shock, crossing obstacles and automatically controlling pressure.

The invention relates to snow removing devices, in particular to an air injection type snow blowing cart. The air injection type snow blowing cart comprises a second-class automobile chassis, wherein an aircraft turbojet engine, an air inlet compartment and an oil tank are installed on the second-class automobile chassis, and an aircraft turbojet engine starting power supply package and an air injection snow blowing pipeline set are installed on the bottom of the chassis. The turbojet engine is fixed into the air inlet compartment through a special shock-absorption rack, the air inlet end of the turbojet engine is covered with an air inlet filter screen, an exhaust pipe on the tail portion of the turbojet engine is connected to the high-temperature pressure-resistant snow blowing pipeline set in a sealed mode, snow blowing pipelines stretch out from one side of a cart compartment body, the directions of nozzles at the lower ends of the snow blowing pipelines can be adjusted, and snow is blown towards the left side and the right side of the air injection type snow blowing cart. Front hot air spraying pipes are connected to the walls of the snow blowing pipelines in a sealed mode and are used for blowing snow on a road on which the air injection type snow blowing cart travels forwards. The air injection type snow blowing cart has the advantages that the design is reasonable and ingenious; due to the fact that snow blowing nozzles are arranged on the side portions of a cart body and the front end of the snow removing cart, blind-angle-free snow blowing is achieved effectively, and it is guaranteed that snow accumulated on roads are effectively removed.

The invention discloses an ice and snow removing vehicle capable of deicing through fuel gas jet flow. The ice and snow removing vehicle comprises a fuel gas generator, a carrier vehicle chassis, a compartment, an electric control cabinet, an air inlet passage, a bracket, a fixed spray tube, a rectangular elbow, a fuel gas distributor, an air-hammer sprinkler head, a pneumatic chipping hammer sprinkler head, a snow-melting agent box group, a hydraulic pump, a snow-melting agent delivery pump, a sprinkler head and an operating table. The retired turbojet engine 6 is selected as the fuel gas generator, the cruising state performance of the retired turbojet engine 6 is adopted to generate high-temperature high-speed fuel gas flow, the high-temperature high-speed fuel gas flow enters the fuel gas distributor through the fixed spray tube and the rectangular elbow and is divided into two paths by the fuel gas distributor; one path of fuel gas flow blows snow or ice to the ground through the air-hammer sprinkler head, and the other path of fuel gas flow removes residual snow or ice on a road surface through the pneumatic chipping hammer sprinkler head. A snow-melting agent is scattered on the ground through the sprinkler head mounted at the tail part of the carrier vehicle chassis to prevent the road surface with ice removed from secondary icing, reduce a freezing point, prevent secondary freezing, and ensure the deicing operating effect.

A folding windscreen having two panels can be made entirely from a single sheet of corrugated plastic. The windscreen is used to prevent wind-blown snow from clogging an ice-fishing hole and to enhance the visibility of ice fishing traps against a background shoreline or expanse of open ice. The single sheet of corrugated plastic material is made into two panels by folding it in half. The fold produces a flexible hinge connecting the two panels. The top and bottom edges of the windscreen panels are reinforced by folding parts of the corrugated sheet to make double thickness, and bonding the two thicknesses together with heat welding or adhesives. Hand-holes are provided for convenient carrying and deploying. Fluorescent or retro-reflective tape can be applied to the folding windscreen to enhance its visibility.

The invention provides an aircraft test comprehensive climate environment simulation system and a simulation method, and belongs to the technical field of an aircraft test. The simulation system comprises a testing machine, a laboratory structure system and an environment simulation system. The simulation method comprises the following steps: S1, low-temperature environment simulation; S2, high-temperature environment simulation; S3, temperature daily circulation environment simulation; S4, humidity environment simulation; S5, solar radiation environment simulation; S6, rain/wind-blown rain environment simulation; S7, snowfall/snow blowing environment simulation; S8, fog environment simulation; and S9, icing/freezing rain environment simulation. The system solves the problems that an existing experiment facility is generally small in size and relatively single in function, and has the advantages that the functions are complete, all modules work in a matched mode, and the number of devices is reduced.

An apparatus for mitigating freezing of a snow handling mechanism in a snow blower. The snow blower has an intake locus through which snow is received as received snow and an output locus through which the received snow is ejected as blown snow. The snow handling mechanism conveys the received snow from the intake locus to the output locus. The snow blower includes an internal combustion engine having an exhaust port. The internal combustion engine is coupled with the snow handling mechanism for effecting the conveying. The apparatus includes: (a) a collecting unit coupled with the exhaust port; the collecting unit receives exhaust fluids from the exhaust port; and (b) a fluid conveying unit coupled with the collecting unit and coupled substantially adjacent to the intake locus; the fluid conveying unit delivers the exhaust fluids from the collecting unit to the intake locus.

The invention provides a modeling simulation method of turbojet engine modified hot snow blowing device equipment, and belongs to the technical field of turbojet engine modeling simulation. Accordingto the method, the composition and the working principle of the engine are analyzed; an air inlet channel model, an air compressor model, a combustion chamber model, a turbine model, a bent exhaust channel model and an exhaust nozzle model are established; system model modeling of the whole snow blowing device is completed through joint simulation between the models, then engine steady-state worksimulation analysis is carried out, the danger and cost of actual test run are effectively avoided, and the method can serve as a reference basis for control and fault diagnosis of the hot snow blowing device.

A photovoltaic panel snow cleaning and defrosting system comprises a photovoltaic panel body, a snow cleaning mechanism is arranged on one side of the photovoltaic panel body, a defrosting mechanism is arranged above the side, close to the snow cleaning mechanism, of the photovoltaic panel body, the snow cleaning mechanism comprises a motor mounting shell, and the side wall of the outer end of the motor mounting shell is fixed to one side of the photovoltaic panel body; and an abutting supporting plate is fixed to the side wall of the end, away from the motor mounting shell, of the photovoltaic panel body, a servo motor is mounted in an inner cavity of the motor mounting shell, the output end of the servo motor is connected with a rotating lead screw, the outer wall of the rotating lead screw is provided with a snow removal sliding sleeve in a threaded mode, and a snow removal shovel plate is fixed to the side, close to the photovoltaic panel body, of the snow removal sliding sleeve. Snow and frost are cleared away cleanly, efficiency is high, the snow is swept by shoveling the snow through the snow shovel and blowing the snow through the fan, and the snow is cleared away cleanly and thoroughly. And hot air melting defrosting is adopted, defrosting is clean and thorough, no damage is caused to the surface of the photovoltaic panel, and the service life of the photovoltaic panel is prolonged.

The snow eliminating apparatus is provided with snow sweeper in the front, snow sucking port, snow sucking fan and main snow eliminating channel in the back. The snow eliminating method includes sweeping snow with the sweeper to concentrate snow, pre-accelerating snow with the snow sucking fan, and blowing with the main snow eliminating channel to eliminate snow on ground. The present invention has the advantages of reducing the energy diffusing angle of snow blowing airflow, best utilization of the snow blowing energy and high snow eliminating efficiency. The present invention is suitable for eliminating snow in airport and expressway.

The invention relates to a structure for a snow blowing vector air port of a multifunctional snow sweeper. The structure comprises a draught fan air flue, a path of the draught fan air flue is provided with an inner joint fixedly connected with the draught fan air flue, an outer joint rotatably connected with the inner joint is arranged outside the inner joint, and a vector air port connector is formed at an outlet of the outer joint. By means of the structure, accumulated snow on a road of a northern area in winter can be effectively removed, traffic safety is guaranteed, the environment is protected, and the structure is used for winter pavement maintenance equipment for removing pavement ice and snow and guaranteeing the safety of vehicles, airplanes and pedestrians, and has very importance significance. According to the structure, a reasonable outlet air exhaust structure design is adopted, a square structure is adopted for an air outlet nozzle, a joint structure design is adoptedfor an adjusting air flue, and the structure can rotate by +/-20 degrees in the horizontal plane and rotate by +/-20 degrees in the vertical plane at a snow blowing air port; the problems in adjustingthe forward and over-ground angle and off-ground height of a blowing pipeline are solved; a round-to-square structure is adopted for an adjusting air flue joint clamping ring structure, the local pressure loss of the air flue is reduced, and the efficiency of an air feeding system is improved.