CN106930223A - Ice and snow road snow-clearing car - Google Patents
Ice and snow road snow-clearing car Download PDFInfo
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- CN106930223A CN106930223A CN201710296554.4A CN201710296554A CN106930223A CN 106930223 A CN106930223 A CN 106930223A CN 201710296554 A CN201710296554 A CN 201710296554A CN 106930223 A CN106930223 A CN 106930223A
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- snow
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- ice
- wind
- blower fan
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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 car, including flat car, snow flanger and snow blade are sequentially installed with flat car front end, it is sequentially provided with the first blower fan from front to back on Platform trailer frame, heat exchanger, second blower fan and hot air boiler, first and second spray hot wind devices of arrangement before and after being separately installed with below Platform trailer frame, hot air boiler hot-blast outlet is connected with heat exchanger hot-wind inlet, heat exchanger hot-blast outlet is connected by first blower fan with the air inlet of the first spray hot wind device, cold wind import and air outlet are respectively arranged at two ends with heat exchanger, air outlet is connected by second blower fan with the air inlet of the second spray hot wind device.Beneficial effect is：Hard accumulated snow or the ice sheet on road surface can be quickly removed, is removed totally thoroughly, ensure that the safe passing of the vehicles；The vehicle speed of travel is fast, and the speed of travel is up to 30km/h, and operating efficiency and heat utilization rate are high, is particularly suitable for the large area ice and snow roads such as cleaning 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 of large area often occurs in the winter of northern China, the road surface such as airport and highway is all after snowfall
Accumulated snow, influence people normally go 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
Have to before layer, has greatly threatened the safety of people, therefore airport and highway are not cleared up thoroughly after snowfall
Temporary closure, in order to avoid trigger traffic accidents.
Ensure safety to remove accumulated snow, people have invented various snow-clearing cars for clearing the snow.Existing road snow removing
The mode that clears the snow of car mainly has two kinds：A kind of is to collect the accumulated snow on road surface using the collection snow device on snow-clearing car,
Chinese invention patent such as Publication No. CN102561248A discloses a kind of conveying type hot air protected snow removing vehicle, is by shovel
Snow swash plate by snow be collected into snow removing cylinder in, then by be located at snow removing cylinder in conveying mechanism be sent to transport motor vehicle case in transport, or
Ice and snow is left by required angle the side of highway, the purpose of ice and snow is removed so as to reach.This snow-clearing car can only be removed
Accumulated snow on the ground, it is impossible to remove hard accumulated snow or the ice sheet on road surface, road surface or unusual light after cleaning, it is impossible to
Ensure the safe passing of the vehicles.
Another snow cleaner is that a kind of hot blast is jet-propelled as disclosed in the Chinese invention patent of CN105002854A to clear the snow
Car.The snow-clearing car in interior of body device gas making device, control device, air jet system, wherein gas making device by heater, plus
Boiler is constituted, and heater is arranged on heating water tank lower end, and air jet system is made up of air-introduced machine, air jet pipe, air nozzle.This is clear
Sled operationally produces water vapour after the water that heater will be heated in water tank is heated, then by air-introduced machine through air nozzle
Spray and melt ice sheet, most afterwards wipe the ice sheet of thawing off through scraper plate shovel.This snow-clearing car exists and asks as follows by the inspection of practice
Topic：1st, because the steam temperature for producing is limited, it is impossible to which moment melts ice sheet harder on road surface, therefore for the heavily fortified point on road surface
Hard accumulated snow or ice sheet cannot be removed thoroughly, and thickness degree is frozen up to 30-40mm in the road surface formed particularly after ice rain is run into, and uses
The ice sheet that this snow-clearing car cannot be cleared up on road surface at all, the road surface after cleaning still cannot safe passing；It is necessary when the 2nd, working
Could melt the thin ice on road surface with extremely low speed traveling, travel speed is slow, inefficiency, be not particularly suitable for clearing up airport with
The large area ice and snow road such as highway.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of hard accumulated snow or ice that can quickly remove on road surface
Layer, removes clean thorough, high working efficiency, is particularly suitable for clearing up the ice snow covered pavement of the large area ice and snow roads 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, snow flanger and snow pushing are sequentially installed with flat car front end
Shovel, it is characterized in that：It is sequentially provided with the first blower fan, heat exchanger, the second wind from front to back on the Platform trailer frame of flat car
Machine and hot air boiler, the first and second hot blasts of arrangement spray before and after being provided with by attachment means respectively below Platform trailer frame
Emitter, the hot-blast outlet of hot air boiler is connected with the hot-wind inlet of heat exchanger, and the hot-blast outlet of heat exchanger is by described the
One blower fan is connected with the air inlet of the first spray hot wind device, and cold wind import and air-out are respectively equipped with the rear and front end of heat exchanger
Mouthful, air outlet is connected by second blower fan with the air inlet of the second spray hot wind device.
Used as further preferred, the first and second spray hot winds device includes a rectangular pyramid mesa-shaped housing, shell respectively
Body upper end is for air inlet and size is much smaller than housing lower port, multiple rows of point of airduct is uniformly provided with housing, 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 blast for spraying HTHP.
As further preferred, fixed plate, the multiple rows of point of airduct are respectively equipped with housing near thereon, at lower port
Two ends hermetically passing fixed plate and be fixed in housing by fixed plate respectively.
As further preferred, protection rubber is respectively equipped with housing surrounding lower end, for protecting road surface and preventing hot blast
Temperature leak.
As further preferred, the width of the width more than or equal to Platform trailer frame of the first and second spray hot winds device.
Used as further preferred, the attachment means are 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 be connected with Platform trailer frame.
As further preferred, the air inlet of the air outlet of first blower fan and the first spray hot wind device, the second blower fan
Air outlet connected by metal bellows respectively with the air inlet of the second spray hot wind device.
Used as further preferred, the heat exchanger includes a casing, and cabinets cavity is by being located at the two of its upper and lower part
Layer dividing plate 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 is by uniform
The multiple rows of heat exchanger tube connection between two layers of dividing plate is arranged on, the riser that the upper strata hot air chamber passes through to set in the middle is divided into two
Independent chamber；The hot-wind inlet and hot-blast outlet of heat exchanger are respectively provided at the two ends of upper strata hot air chamber, cold wind import and go out
Air port is respectively provided at the two ends of Heat Room.
As further preferred, ice layer thickness sensor is respectively equipped with 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 part of ice layer thickness sensor respectively be located at it is automatic in control room
Controller is connected, the control output end of the automatic controller respectively with hot air boiler and the motor connection of two blower fans, be used for
According to the output hot blast temperature of road surface residual ice layer thickness control hot air boiler after spray hot wind treatment and turning for two blower fans
Speed, it is ensured that clean without ice sheet residual by the road surface after the hot blast treatment of the second spray hot wind device injection.
Used as further preferred, the roll shaft and snow blade of the snow flanger are in tilted layout, 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：Due to being sequentially installed with snow flanger and snow blade in flat car front end, therefore, it is possible to
Clean 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
The first blower fan, heat exchanger, the second blower fan and hot air boiler are sequentially provided with after, front and rear cloth is installed below Platform trailer frame
The the first and second spray hot wind devices put, the high-temperature hot-air produced by hot air boiler is entered into heat exchanger and is drawn into heat
Cold wind in exchanger carries out heat exchange makes temperature drop, then is discharged to ejection in the first spray hot wind device by the first blower fan,
The cold wind being drawn into by the second blower fan in heat exchanger simultaneously is replaced into hot blast and is discharged in the second spray hot wind device and sprayed, and two
The hot blast of individual spray hot wind device discharge HTHP is directly blown onto the ice and snow layer surface of road surface residual, can be by ice and snow layer transient heating
Melt and be atomized into steam natural volatilization, therefore, it is possible to the quick hard accumulated snow or ice sheet removed on road surface, remove clean thorough
Bottom, ensure that the safe passing of the vehicles；The vehicle speed of travel is fast, and the speed of travel is up to 30km/h, operating efficiency and heat
Energy utilization rate is high, is particularly suitable for the large area ice and snow roads such as cleaning airport and highway.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is A-A partial sectional views of the invention.
Fig. 3 is B-B partial sectional views of the invention.
Fig. 4 is the top 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 blower fan 2, heat exchanger 3, hot-wind inlet 301, hot-blast outlet 302, cold wind import 303,
Air outlet 304, casing 4, upper strata hot air chamber 401, lower floor's hot air chamber 402, Heat Room 403, riser 5, dividing plate 6, heat exchanger tube 7, the
Two blower fans 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 means 15, metal bellows 16, snow blade 17, snow flanger 18, housing 19, point airduct 20, fixed plate
21, jet blower 22 protects rubber 23, automatic controller 24, solenoid valve block 25, Platform trailer frame 26.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-Figure 4, a kind of ice and snow road snow-clearing car of the present invention, an including 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
Sweep the accumulated snow on the ice sheet of road surface and be pushed to the side of flat car 1.Installed successively from front to back on the Platform trailer frame 26 of flat car 1
There are the first blower fan 2, heat exchanger 3, the second blower fan 8 and hot air boiler 10, respectively by connecting dress below Platform trailer frame 26
15 the first and second spray hot wind devices for being provided with front and rear arrangement are put, wherein the correspondence of the first spray hot wind device 14 is located at heat exchanger
3 lower section, the second spray hot wind device 12 is 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, and the hot-blast outlet 302 of heat exchanger 3 connects the inlet scoop of first blower fan 2, the first blower fan 2 by pipeline
Exhaust outlet connected 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 connects second blower fan 8 by pipeline
Air inlet one end of inlet scoop, the exhaust outlet of the second blower fan 8 and the second spray hot wind device 12 passes through refractory metal bellows 16
Connection.
The heat exchanger 3 includes a casing 4, and the inner chamber of casing 4 is welded thereon by level, two layers of dividing plate of bottom
6 form upper strata hot air chamber 401 and lower floor's hot air chamber 402 and the Heat Room 403 between upper and lower layer hot air chamber, upper and lower layer
Multiple rows of heat exchanger tube 7 of the hot air chamber by uniform sealing welding between two layers of dividing plate is connected and phase between adjacent two rows heat exchanger tube 7
Mutually dislocation arranges that the riser 5 that the upper strata hot air chamber 401 passes through to set in the middle is separated into two independent chambers.Heat exchange
The hot-wind inlet 301 and hot-blast outlet 302 of device 3 are respectively provided at the two ends of upper strata hot air chamber 401, and cold wind import and air outlet are distinguished
It is located at the two ends of Heat Room.
The attachment means 15 are connection cylinder, and the first and second spray hot winds device passes through two for being arranged symmetrically respectively
Connection cylinder is connected with Platform trailer frame 26.The first and second spray hot winds device includes a hollow shell 19 respectively, should
Housing 19 is rectangular pyramid mesa-shaped and its longitudinal length is much larger than transverse width, and the lower end transverse width of housing 19 is more than or equal to flat board
The width of vehicle frame 26.The upper end of housing 19 is for square air inlet and size is much smaller than the lower port of housing 19, uniform in housing 19
Multiple rows of point of airduct 20 is installed, the multiple rows of point of airduct 20 divides in the rectangular array arrangement of the row of 8 row * 8 each point of lower end of airduct 20
Jet blower 22 is not installed, the outlet of jet blower 22 is the flat mouth of strip, the hot blast for spraying HTHP.In housing 19
Fixed plate 21 is respectively welded near thereon, at lower port, the described point of two ends vertical section of airduct 20 respectively fix by hermetically passing
Plate 21 is simultaneously fixed in housing 19 by fixed plate 21.Protection rubber 23 is respectively fixed with the surrounding lower end of housing 19, for protecting
Road maintenance face simultaneously prevents hot blast temperature to be lost in.
Ice layer thickness sensor 13 is installed with respectively in the rear end of the first and second spray hot wind devices, in the flat board
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 with control room 11
Movement controller 24, the signal output part of the ice layer thickness sensor 13 is connected with the automatic controller 24 respectively, automatic control
The control output end of device processed 24 is connected the solenoid valve block of cylinder with the motor and control of hot air boiler 10 and two blower fans respectively
25 connection, for being processed according to spray hot wind after road surface residual ice layer thickness control hot air boiler 10 output hot blast temperature and
Two rotating speeds of blower fan, while controlling the first and second spray hot wind devices apart from the height on ground, it is ensured that sprayed by the second hot blast
Road surface after the hot blast treatment of emitter injection is clean without ice sheet residual.
During work, start flat car and move ahead and drive snow flanger 18 to rotate, by snow flanger 18 by airport or expressway surface
On a part of accumulated snow sweep to roadside, then after snow blade 17 is by cleaning road surface residual snow spatula to roadside, snow blade 17
Easily trigger the ice and snow layer of accident in remaining one layer of road surface after treatment.Then hot air boiler 10 is started by automatic controller, is produced
Raw hot blast is entered into heat exchanger 3 in the presence of the first blower fan 2, by many heat exchanger tubes 7 of arrangement in heat exchanger 3
Heat exchange is carried out with the cold wind being drawn into heat exchanger Heat Room by the second blower fan 8, by entering into 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 blower fan 2；It is drawn into Heat Room simultaneously
Cold wind be discharged in the second hot blast atomizer through the second blower fan 8 by becoming hot blast after heat exchange；Enter into two hot blast mists
Change the hot blast in device dispersed by point airduct 20 being distributed in two hot blast atomizers respectively, finally by under point airduct 20
The hot blast that the jet blower 22 at end sprays HTHP is directly blown onto the ice and snow layer surface that road surface remains, and ice and snow layer moment is atomized into
Steam natural is volatilized, and makes the road surface after cleaning clean without ice sheet residual, so as to ensure the safe passing of the vehicles.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of ice and snow road snow-clearing car, an including flat car, snow flanger and snow blade are sequentially installed with flat car front end,
It is characterized in that：It is sequentially provided with the first blower fan, heat exchanger, the second blower fan and heat from front to back on the Platform trailer frame of flat car
Wind boiler, the first and second spray hot wind devices of arrangement, heat before and after being provided with by attachment means respectively below Platform trailer frame
The hot-blast outlet of wind boiler is connected with the hot-wind inlet of heat exchanger, the hot-blast outlet of heat exchanger by first blower fan with
The air inlet connection of the first spray hot wind device, cold wind import and air outlet, air-out are respectively equipped with the rear and front end of heat exchanger
Mouth is connected by second blower fan with the air inlet of the second spray hot wind device.
2. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The first and second spray hot winds device difference
Including a rectangular pyramid mesa-shaped housing, housing upper end is for air inlet and size is much smaller than housing lower port, uniformly pacifies in housing
Equipped with multiple rows of point of airduct, jet blower is separately installed with each point of airduct lower end, the outlet of jet blower is the flat mouth of strip, is used for
Spray the hot blast of HTHP.
3. ice and snow road snow-clearing car according to claim 2, it is characterized in that：In housing near thereon, lower port punishment
It is not provided with fixed plate, the two ends of the multiple rows of point of airduct hermetically passing fixed plate and are fixed in housing by fixed plate respectively.
4. ice and snow road snow-clearing car according to claim 3, it is characterized in that：Protective rubber is respectively equipped with housing surrounding lower end
Skin, for protecting road surface and preventing hot blast temperature to be lost in.
5. ice and snow road snow-clearing car according to claims 1 to 4, it is characterized in that：The first and second spray hot winds device
Width more than or equal to Platform trailer frame width.
6. ice and snow road snow-clearing car according to claim 5, it is characterized in that：The attachment means are connection cylinder, described
First and second spray hot wind devices connect cylinder and are connected with Platform trailer frame by two couple being arranged symmetrically respectively.
7. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The air outlet of first blower fan and the first heat
The air inlet of the air inlet of wind injector, the air outlet of the second blower fan and the second spray hot wind device is connected by metal bellows respectively
It is logical.
8. ice and snow road snow-clearing car according to claim 1, it is characterized in that：The heat exchanger includes a casing, 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 dividing plate of its upper and lower part
Hot cell, multiple rows of heat exchanger tube that upper and lower layer hot air chamber passes through to be uniformly arranged between two layers of dividing plate is connected, and the upper strata hot air chamber leads to
Cross the riser for setting in the middle and be divided into two independent chambers；The hot-wind inlet and hot-blast outlet of heat exchanger are respectively provided at upper strata
The two ends of hot air chamber, cold wind import and air outlet are respectively provided at the two ends of Heat Room.
9. the ice and snow road snow-clearing car according to claim 1 or 6, 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 with the Platform trailer frame
Output end is connected with the automatic controller being located in control room respectively, the control output end of the automatic controller respectively with hot blast
Boiler and two motor connections of blower fan, for being processed according to spray hot wind after road surface residual ice layer thickness control hot air boiler
Output hot blast temperature and two rotating speeds of blower fan, it is ensured that by the second spray hot wind device injection hot blast treatment after road surface do
It is net to be remained without ice sheet.
10. 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 incline
Oblique arrangement, for the accumulated snow cleaned on the ice sheet of road surface and is 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 true CN106930223A (en) | 2017-07-07 |
| CN106930223B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670532A (en) * | 2019-10-18 | 2020-01-10 | 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 |
| CN114435309A (en) * | 2022-03-30 | 2022-05-06 | 苏州艾沃意特汽车设备有限公司 | Electric vehicle cleaning device |
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| 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 |
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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 |
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| CN206844040U (en) * | 2017-04-28 | 2018-01-05 | 刘颜华 | Ice and snow road snow-clearing car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670532A (en) * | 2019-10-18 | 2020-01-10 | 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 |
| 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 |
| CN114435309A (en) * | 2022-03-30 | 2022-05-06 | 苏州艾沃意特汽车设备有限公司 | Electric vehicle cleaning device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106930223B (en) | 2018-10-12 |
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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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |