CN106930223B - Ice and snow road snow-clearing car - Google Patents
Ice and snow road snow-clearing car Download PDFInfo
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- CN106930223B CN106930223B CN201710296554.4A CN201710296554A CN106930223B CN 106930223 B CN106930223 B CN 106930223B CN 201710296554 A CN201710296554 A CN 201710296554A CN 106930223 B CN106930223 B CN 106930223B
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- snow
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/10—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice by application of heat for melting snow or ice, whether cleared or not, combined or not with clearing or removing mud or water, e.g. burners for melting in situ, heated clearing instruments; Cleaning snow by blowing or suction only
- E01H5/104—Removing devices for dislodging snow or ice; followed by melting the removed material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses a kind of ice and snow road snow-clearing cars, including flat car, it is sequentially installed with snow flanger and snow blade in flat car front end, it is equipped with the first wind turbine successively from front to back on Platform trailer frame, heat exchanger, second wind turbine and hot air boiler, front and back the first and second spray hot wind devices arranged are separately installed with below Platform trailer frame, hot air boiler hot-blast outlet is connected to heat exchanger hot-wind inlet, heat exchanger hot-blast outlet is connected to by first wind turbine with the air inlet of the first spray hot wind device, it is respectively equipped with cold wind import and air outlet at heat exchanger both ends, air outlet is connected to by second wind turbine with the air inlet of the second spray hot wind device.Advantageous effect is：Hard accumulated snow or the ice sheet on road surface can be quickly removed, removing is clean thorough, can ensure the safe passing of the vehicles；The vehicle speed of travel is fast, and for the speed of travel up to 30km/h, working efficiency and heat utilization rate are high, are particularly suitable for the cleaning large area ice and snow road such as airport and highway.
Description
Technical field
The present invention relates to a kind of snow-clearing car, more particularly to a kind of ice and snow road snow-clearing car.
Background technology
The snowfall that often will appear large area in the winter of northern China, the road surfaces such as airport and highway are all after snowfall
Accumulated snow influences people and normally goes on a journey, especially because north of china in winter temperature is relatively low, one layer of ice can be formed in road surface after snowfall
Layer, has greatly threatened the safety of people, thus airport and highway do not cleared up after snowfall thoroughly before have to
Temporary closure, in order to avoid cause traffic accidents.
Ensure that safety, people have invented various snow-clearing cars and be used for clearing the snow to remove accumulated snow.Existing road snow removing
There are mainly two types of the modes that clears the snow of vehicle：One is collecting the accumulated snow on road surface using the collection snow device on snow-clearing car,
It is to pass through shovel if the Chinese invention patent of Publication No. CN102561248A discloses a kind of conveying type hot air protected snow removing vehicle
Snow is collected into snow removing cylinder by snow inclined plate, then the conveying mechanism by being located in snow removing cylinder is sent in transport motor vehicle case and transports, or
The side for ice and snow being left by required angle highway, to achieve the purpose that remove ice and snow.This snow-clearing car can only be removed and be fallen
Accumulated snow on the ground can not remove hard accumulated snow or ice sheet on road surface, and the road surface after cleaning is still very smooth, can not
Ensure the safe passing of the vehicles.
Another snow cleaner, which is that a kind of hot wind is jet-propelled as disclosed in the Chinese invention patent of CN105002854A, to clear the snow
Vehicle.The snow-clearing car in interior of body device gas making device, control device, air-jet device, wherein gas making device by heating device plus
Boiler is constituted, and heating device is arranged in heating water tank lower end, and air-jet device is made of air-introduced machine, air jet pipe, air nozzle.This is clear
Sled will generate water vapour by heating device after the water heating in heating water tank at work, then by air-introduced machine through air nozzle
It sprays and melts ice sheet, most shoveled afterwards through scraper plate and wipe the ice sheet of thawing off.Inspection of this snow-clearing car by practice, exists and asks as follows
Topic：1, since the steam temperature of generation is limited, ice sheet harder on road surface can not be melted moment, therefore for the heavily fortified point on road surface
Hard accumulated snow or ice sheet can not thoroughly remove, and layer thickness is frozen up to 30-40mm in the road surface especially formed after encountering ice rain, uses
This snow-clearing car can not clear up the ice sheet on road surface at all, and the road surface after cleaning still can not safe passing；It is necessary when 2, working
Could melt the thin ice on road surface with extremely low speed traveling, travel speed is slow, and working efficiency is low, be not particularly suitable for clearing up airport with
The large area ice and snow road such as highway.
Invention content
Technical problem to be solved by the invention is to provide a kind of hard accumulated snow or ice that can quickly remove on road surface
Layer, removing is clean thorough, and work efficiency is high, is particularly suitable for the ice snow covered pavement of the cleaning large area ice and snow road such as airport and highway
Face snow-clearing car.
Technical scheme is as follows：
A kind of ice and snow road snow-clearing car, including a flat car are sequentially installed with snow flanger and snow pushing in flat car front end
Shovel, is characterized in that：It is equipped with the first wind turbine, heat exchanger, the second wind successively from front to back on the Platform trailer frame of flat car
Machine and hot air boiler are equipped with front and back the first and second hot winds spray arranged by attachment device respectively below Platform trailer frame
Emitter, the hot-blast outlet of hot air boiler are connected to the hot-wind inlet of heat exchanger, and the hot-blast outlet of heat exchanger passes through described
One wind turbine is connected to the air inlet of the first spray hot wind device, and cold wind import and outlet air are respectively equipped in the rear and front end of heat exchanger
Mouthful, air outlet is connected to by second wind turbine with the air inlet of the second spray hot wind device.
As further preferred, the first and second spray hot winds device respectively includes a rectangular pyramid mesa-shaped shell, shell
Body upper end is air inlet and size is much smaller than shell lower port, multiple rows of point of air hose is uniformly equipped in shell, in each point of wind
Pipe lower end is separately installed with jet blower, and the outlet of jet blower is the flat mouth of strip, the hot wind for spraying high temperature and pressure.
As further preferred, in shell close to thereon, fixed plate, the multiple rows of point of air hose are respectively equipped at lower port
Both ends hermetically passing fixed plate and be fixed in shell by fixed plate respectively.
As further preferred, it is respectively equipped with protection rubber in shell surrounding lower end, for protecting road surface and preventing hot wind
Temperature leak.
As further preferred, the width of the first and second spray hot winds device is more than or equal to the width of Platform trailer frame.
As further preferred, the attachment device is connection cylinder, and the first and second spray hot winds device leads to respectively
The two couples connection cylinder being arranged symmetrically is crossed to connect with Platform trailer frame.
As further preferred, air inlet, the second wind turbine of the air outlet of first wind turbine and the first spray hot wind device
Air outlet be connected to respectively by metal bellows with the air inlet of the second spray hot wind device.
As further preferred, the heat exchanger includes a babinet, and cabinets cavity is by being located at the two of its upper and lower part
Layer partition board forms upper and lower layer hot air chamber and the Heat Room between upper and lower layer hot air chamber, and upper and lower layer hot air chamber passes through uniformly distributed
The multiple rows of heat exchanger tube connection being arranged between two layers of partition board, the upper layer hot air chamber are divided into two by the riser for setting in the middle
Independent chamber；The hot-wind inlet and hot-blast outlet of heat exchanger are respectively provided at the both ends of upper layer hot air chamber, cold wind import and go out
Air port is respectively provided at the both ends of Heat Room.
As further preferred, it is respectively equipped with ice layer thickness sensor in the rear end of the first and second spray hot wind devices,
Be additionally provided with control room on the Platform trailer frame, the signal output end of ice layer thickness sensor respectively with to be located at control indoor automatic
Controller connects, and the control output end of the automatic controller connect with the motor of hot air boiler and two wind turbines, is used for respectively
The output hot blast temperature of hot air boiler and turning for two wind turbines are controlled according to spray hot wind treated road surface residual ice layer thickness
Speed ensures that hot wind treated the road surface by the injection of the second spray hot wind device is totally remained without ice sheet.
As further preferred, roll shaft and the snow blade inclination arrangement of the snow flanger, for cleaning on the ice sheet of road surface
Accumulated snow is simultaneously pushed to flat car side.
The beneficial effects of the invention are as follows：It, can due to being sequentially installed with snow flanger and snow blade in flat car front end
It cleans the accumulated snow on the ice sheet of road surface and flat car side is pushed to by snow blade；Due on the Platform trailer frame of flat car by preceding
It is equipped with the first wind turbine, heat exchanger, the second wind turbine and hot air boiler successively after, front and back cloth is installed below Platform trailer frame
The the first and second spray hot wind devices set, the high-temperature hot-air generated by hot air boiler enter in heat exchanger and are drawn into heat
Cold wind in exchanger, which carries out heat exchange, makes temperature decline, then is discharged in the first spray hot wind device and is sprayed by the first wind turbine,
It is drawn into the cold wind in heat exchanger by the second wind turbine simultaneously and is replaced into hot wind and is discharged in the second spray hot wind device and spray, two
The hot wind of a spray hot wind device discharge high temperature and pressure is directly blown onto the remaining ice and snow layer surface in road surface, can be by ice and snow layer transient heating
Melt and be atomized into steam natural volatilization, therefore can quickly remove hard accumulated snow or the ice sheet on road surface, removes clean thorough
Bottom can ensure the safe passing of the vehicles；The vehicle speed of travel is fast, and the speed of travel is up to 30km/h, working efficiency and heat
Energy utilization rate is high, is particularly suitable for the cleaning large area ice and snow road such as airport and highway.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the A-A partial sectional views of the present invention.
Fig. 3 is the B-B partial sectional views of the present invention.
Fig. 4 is the vertical view of heat exchanger in Fig. 1.
Fig. 5 is the control principle drawing of automatic controller of the present invention.
In figure：Flat car 1, the first wind turbine 2, heat exchanger 3, hot-wind inlet 301, hot-blast outlet 302, cold wind import 303,
Air outlet 304, babinet 4, upper layer hot air chamber 401, lower layer's hot air chamber 402, Heat Room 403, riser 5, partition board 6, heat exchanger tube 7, the
Two wind turbines 8, hot-blast pipe line 9, hot air boiler 10, control room 11, the second spray hot wind device 12, ice layer thickness sensor 13, first
Spray hot wind device 14, attachment device 15, metal bellows 16, snow blade 17, snow flanger 18, shell 19 divide air hose 20, fixed plate
21, jet blower 22 protects rubber 23, automatic controller 24, solenoid valve block 25, Platform trailer frame 26.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As Figure 1-Figure 4, a kind of ice and snow road snow-clearing car of the present invention, including a flat car 1, in flat car
1 front end is sequentially installed with snow flanger 18 and snow blade 17, and the roll shaft and snow blade 17 of the snow flanger 18 are in tilted layout, for clear
It sweeps the accumulated snow on the ice sheet of road surface and is pushed to 1 side of flat car.It is installed successively from front to back on the Platform trailer frame 26 of flat car 1
There are the first wind turbine 2, heat exchanger 3, the second wind turbine 8 and hot air boiler 10, is filled respectively by connecting below Platform trailer frame 26
It sets 15 and front and back the first and second spray hot wind devices arranged is installed, wherein the first spray hot wind device 14, which corresponds to, is located at heat exchanger
3 lower section, the second spray hot wind device 12 are located at the rear end of Platform trailer frame 26.
The hot-blast outlet of the hot air boiler 10 is rectangular heat by section with the hot-wind inlet 301 of heat exchanger 3
Air pipe line 9 is connected to, and the hot-blast outlet 302 of heat exchanger 3 passes through the inlet scoop of the first wind turbine 2 described in piping connection, the first wind turbine 2
Exhaust outlet be connected to by refractory metal bellows 16 with air inlet one end of the first spray hot wind device 14.In heat exchanger 3
Rear and front end be respectively equipped with cold wind import 303 and air outlet 304, air outlet 304 passes through the second wind turbine 8 described in piping connection
Air inlet one end of inlet scoop, the exhaust outlet of the second wind turbine 8 and the second spray hot wind device 12 passes through refractory metal bellows 16
Connection.
The heat exchanger 3 include a babinet 4,4 inner cavity of babinet by level be welded thereon, two layers of partition board of lower part
6 form upper layer hot air chamber 401 and lower layer's hot air chamber 402 and the Heat Room 403 between upper and lower layer hot air chamber, upper and lower layer
Hot air chamber is connected to by multiple rows of heat exchanger tube 7 of the uniformly distributed sealing welding between two layers of partition board and phase between adjacent two rows heat exchanger tube 7
Mutually dislocation arrangement, the upper layer hot air chamber 401 are separated into two independent chambers by the riser 5 for setting in the middle.Heat exchange
The hot-wind inlet 301 and hot-blast outlet 302 of device 3 are respectively provided at the both ends of upper layer hot air chamber 401, cold wind import and air outlet difference
It is located at the both ends of Heat Room.
The attachment device 15 be connection cylinder, the first and second spray hot winds device respectively by be arranged symmetrically two
Connection cylinder is connect with Platform trailer frame 26.The first and second spray hot winds device respectively includes a hollow shell 19, should
Shell 19 is rectangular pyramid mesa-shaped and its longitudinal length is much larger than transverse width, and the lower end transverse width of shell 19 is more than or equal to tablet
The width of vehicle frame 26.19 upper end of shell is square air inlet and size is much smaller than 19 lower port of shell, uniformly distributed in shell 19
Multiple rows of point of air hose 20 is installed, which divides in the rectangular array arrangement of 8 row * 8 row each point of 20 lower end of air hose
Jet blower 22 is not installed, the outlet of jet blower 22 is the flat mouth of strip, the hot wind for spraying high temperature and pressure.In shell 19
Close to being respectively welded fixed plate 21 thereon, at lower port, the both ends vertical section for dividing air hose 20 respectively fix by hermetically passing
Plate 21 is simultaneously fixed on by fixed plate 21 in shell 19.It is respectively fixed with protection rubber 23 in 19 surrounding lower end of shell, for protecting
Road maintenance face simultaneously prevents hot blast temperature to be lost in.
It is installed with ice layer thickness sensor 13 respectively in the rear end of the first and second spray hot wind devices, in the tablet
It is located on vehicle frame 26 behind hot air boiler 10 and is additionally provided with a control room 11, oneself based on PLC is provided in control room 11
The signal output end of movement controller 24, the ice layer thickness sensor 13 is connect with the automatic controller 24 respectively, automatic to control
The control output end of the device 24 processed solenoid valve block with the motor and control connection cylinder of hot air boiler 10 and two wind turbines respectively
25 connections, output hot blast temperature for controlling hot air boiler 10 according to spray hot wind treated road surface residual ice layer thickness and
The rotating speed of two wind turbines, while height of the first and second spray hot wind devices apart from ground is controlled, ensure to spray by the second hot wind
Hot wind treated the road surface of emitter injection is totally remained without ice sheet.
When work, starts flat car and move ahead and drive the rotation of snow flanger 18, by snow flanger 18 by airport or expressway surface
On a part of accumulated snow sweep to roadside, then after being cleaned by snow blade 17 the remaining snow spatula in road surface to roadside, snow blade 17
Treated, and the ice and snow layer of one layer of easy initiation accident is left on road surface.Then hot air boiler 10, production are started by automatic controller
Raw hot wind enters under the action of the first wind turbine 2 in heat exchanger 3, passes through the more heat exchanger tubes 7 arranged in heat exchanger 3
Heat exchange is carried out with the indoor cold wind of heat exchanger heat exchange is drawn by the second wind turbine 8, by entering hot friendship after heat exchange
Hot blast temperature in parallel operation declines and is discharged in the first spray hot wind device 14 by the first wind turbine 2；It is drawn into Heat Room simultaneously
Cold wind be discharged in the second hot wind atomizer through the second wind turbine 8 by becoming hot wind after heat exchange；Enter two hot wind mists
The hot wind changed in device divides air hose 20 evenly dispersed by being distributed in two hot wind atomizers respectively, finally by dividing under air hose 20
The hot wind that the jet blower 22 at end sprays high temperature and pressure is directly blown onto the remaining ice and snow layer surface in road surface, and ice and snow layer moment is atomized into
Steam natural is volatilized, and so that the road surface after cleaning is totally remained without ice sheet, to ensure the safe passing of the vehicles.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of ice and snow road snow-clearing car, including a flat car are sequentially installed with snow flanger and snow blade in flat car front end,
It is characterized in that：It is equipped with the first wind turbine, heat exchanger, the second wind turbine and heat successively from front to back on the Platform trailer frame of flat car
Wind boiler is equipped with front and back the first and second spray hot wind devices arranged, heat by attachment device respectively below Platform trailer frame
The hot-blast outlet of wind boiler is connected to the hot-wind inlet of heat exchanger, the hot-blast outlet of heat exchanger by first wind turbine with
The air inlet of first spray hot wind device is connected to, and cold wind import and air outlet, outlet air are respectively equipped in the rear and front end of heat exchanger
Mouth is connected to by second wind turbine with the air inlet of the second spray hot wind device；
The first and second spray hot winds device respectively includes a rectangular pyramid mesa-shaped shell, and shell upper end is air inlet and size
Much smaller than shell lower port, multiple rows of point of air hose is uniformly installed in shell, injection is separately installed with each point of air hose lower end
The outlet of mouth, jet blower is the flat mouth of strip, the hot wind for spraying high temperature and pressure.
2. ice and snow road snow-clearing car according to claim 1, it is characterized in that：In shell close to thereon, lower port punishment
Not She You fixed plate, the both ends of the multiple rows of point of air hose hermetically passing fixed plate and are fixed on by fixed plate in shell respectively.
3. ice and snow road snow-clearing car according to claim 2, it is characterized in that：It is respectively equipped with protective rubber in shell surrounding lower end
Skin, for protecting road surface and hot blast temperature being prevented to be lost in.
4. the ice and snow road snow-clearing car according to claims 1 to 3 any one, it is characterized in that：First and second heat
The width of wind injector is more than or equal to the width of Platform trailer frame.
5. ice and snow road snow-clearing car according to claim 4, it is characterized in that：The attachment device is connection cylinder, described
First and second spray hot wind devices connect cylinder by two couple being arranged symmetrically respectively and are connect with Platform trailer frame.
6. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The air outlet of first wind turbine and the first heat
The air inlet of wind injector, the second wind turbine the air inlet of air outlet and the second spray hot wind device connected respectively by metal bellows
It is logical.
7. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The heat exchanger includes a babinet, case
Intracoelomic cavity forms upper and lower layer hot air chamber and changing between upper and lower layer hot air chamber by being located at two layers of partition board of its upper and lower part
Hot cell, upper and lower layer hot air chamber are connected to by the multiple rows of heat exchanger tube being uniformly arranged between two layers of partition board, and the upper layer hot air chamber is logical
It crosses the riser set in the middle and is divided into two independent chambers；The hot-wind inlet and hot-blast outlet of heat exchanger are respectively provided at upper layer
The both ends of hot air chamber, cold wind import and air outlet are respectively provided at the both ends of Heat Room.
8. ice and snow road snow-clearing car according to claim 1 or 5, it is characterized in that：In the first and second spray hot wind devices
Rear end is respectively equipped with ice layer thickness sensor, and control room, the signal of ice layer thickness sensor are additionally provided on the Platform trailer frame
Output end respectively be located at the indoor automatic controller of control and connect, the control output end of the automatic controller respectively with hot wind
The motor of boiler and two wind turbines connection, for treated that road surface residual ice layer thickness controls hot air boiler according to spray hot wind
Output hot blast temperature and two wind turbines rotating speed, ensure that hot wind treated the road surface by the injection of the second spray hot wind device is dry
Only it is remained without ice sheet.
9. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The roll shaft and snow blade of the snow flanger tilt
Arrangement, for cleaning the accumulated snow on the ice sheet of road surface and being pushed to flat car side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296554.4A CN106930223B (en) | 2017-04-28 | 2017-04-28 | Ice and snow road snow-clearing car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296554.4A CN106930223B (en) | 2017-04-28 | 2017-04-28 | Ice and snow road snow-clearing car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930223A CN106930223A (en) | 2017-07-07 |
| CN106930223B true CN106930223B (en) | 2018-10-12 |
Family
ID=59437280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710296554.4A Expired - Fee Related CN106930223B (en) | 2017-04-28 | 2017-04-28 | Ice and snow road snow-clearing car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930223B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670532B (en) * | 2019-10-18 | 2021-11-30 | 中国神华能源股份有限公司神朔铁路分公司 | Anti-freezing device and anti-freezing tunnel |
| CN114435309B (en) * | 2022-03-30 | 2023-01-24 | 苏州艾沃意特汽车设备有限公司 | Electric vehicle cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07268826A (en) * | 1994-03-30 | 1995-10-17 | Yukihiko Nitta | Behicle equipped with thawing structure |
| CN2439465Y (en) * | 2000-07-14 | 2001-07-18 | 张放 | Urban road snow removing vehicle |
| CN101509242A (en) * | 2008-02-13 | 2009-08-19 | 于�玲 | Movable system for melting ice and snow with hot wind and collecting ice and snow melted water |
| US8281499B2 (en) * | 2008-07-31 | 2012-10-09 | John Friesen | Mobile surface drying apparatus |
| CN103362097A (en) * | 2013-06-28 | 2013-10-23 | 山东汇强重工科技有限公司 | Multifunctional snow sweeper |
| CN205711946U (en) * | 2016-02-18 | 2016-11-23 | 董国兴 | Road ice and snow speed melts evaporation equipment |
| CN206844040U (en) * | 2017-04-28 | 2018-01-05 | 刘颜华 | Ice and snow road snow-clearing car |
-
2017
- 2017-04-28 CN CN201710296554.4A patent/CN106930223B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07268826A (en) * | 1994-03-30 | 1995-10-17 | Yukihiko Nitta | Behicle equipped with thawing structure |
| CN2439465Y (en) * | 2000-07-14 | 2001-07-18 | 张放 | Urban road snow removing vehicle |
| CN101509242A (en) * | 2008-02-13 | 2009-08-19 | 于�玲 | Movable system for melting ice and snow with hot wind and collecting ice and snow melted water |
| US8281499B2 (en) * | 2008-07-31 | 2012-10-09 | John Friesen | Mobile surface drying apparatus |
| CN103362097A (en) * | 2013-06-28 | 2013-10-23 | 山东汇强重工科技有限公司 | Multifunctional snow sweeper |
| CN205711946U (en) * | 2016-02-18 | 2016-11-23 | 董国兴 | Road ice and snow speed melts evaporation equipment |
| CN206844040U (en) * | 2017-04-28 | 2018-01-05 | 刘颜华 | Ice and snow road snow-clearing car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106930223A (en) | 2017-07-07 |
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Effective date of registration: 20191029 Address after: 114000 no.28-100, Zhonghua North Road, Lishan District, Anshan City, Liaoning Province Co-patentee after: Liu Yanhua Patentee after: Li Tao Address before: 121000 district a, Baodi Manhattan, Songshan New District, Jinzhou City, Liaoning Province 9-38 Patentee before: Liu Yanhua |
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Granted publication date: 20181012 |
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