CN106702941A - Double-pace snow sweeper and double-pace snow sweeping control method - Google Patents
Double-pace snow sweeper and double-pace snow sweeping control method Download PDFInfo
- Publication number
- CN106702941A CN106702941A CN201611102341.5A CN201611102341A CN106702941A CN 106702941 A CN106702941 A CN 106702941A CN 201611102341 A CN201611102341 A CN 201611102341A CN 106702941 A CN106702941 A CN 106702941A
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- Prior art keywords
- snow
- motor
- snowplough
- rotating shaft
- scraper
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Classifications
-
- 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
- E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
- E01H5/08—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
- E01H5/09—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
- E01H5/098—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about horizontal or substantially horizontal axises perpendicular or substantially perpendicular to the direction of clearing
Abstract
The invention discloses a double-pace snow sweeper, comprising a body; the body comprises a self-propelled device for traveling and a snow sweeping device arranged on the body; the snow sweeping device comprises a snow scraping mechanism and a snow blowing mechanism, the snow scraping mechanism scrapes snow and blows it out through the snow blowing mechanism, the snow scraping mechanism comprises a snow scraper and a first motor connected to the snow scraper, and the snow blowing mechanism comprises a blade wheel and a second motor for driving the blade wheel to rotate; in addition, the invention also discloses a double-pace sweeping control method which enables time intervals for the start or stop of the first and second motors; the double-pace snow sweeper and the double-pace sweeping control method have the advantages that snow blowing is more effective, and snow removal is more thorough and humanized.
Description
【Technical field】
Swept away snow control method the present invention relates to a kind of two-step snowplough and two-step, belong to apparatus field of sweeping away snow.
【Background technology】
Existing snowplough on the market generally all uses two-step snowplough, two-step snowplough to generally include snow scraper structure and throwing
Snow mechanism, its operation includes two steps, and the first step is swept the snow on ground by snow scraper structure；Second step, throws
The snow that snow mechanism will sweep in the first step is dished out to purpose region, and the two-step snowplough of in the market is provided using utility engines
Power, engine provides power and there are problems that noise is big, with serious pollution, but also oil consumption, therefore existing market has occurred in that use
Motor replaces the engine to provide power, but there is also some problems in the two-step snowplough of existing use motor：Snow scraper structure
All it is that the power requirement to single power source is higher using same power source with snow slinging mechanism, and shares a power
Source causes that the power of snow slinging mechanism is limited, and it is highly low to there is snow throwing, and snow throwing distance is near, the bad problem of snow throwing effect.
Additionally, existing two-step snowplough also has a complex structure, and troublesome poeration, the heavy man-machine inefficiency of whole machine, into
This higher, low problem of security.
【The content of the invention】
The technical problems to be solved by the invention be to overcome the deficiencies in the prior art and provide a kind of two-step snowplough and
Two-step is swept away snow control method, and snow throwing effect more preferably, removes the snow more thorough, more humane.
Above-mentioned technical problem is solved, the present invention is adopted the following technical scheme that：
A kind of two-step snowplough, including body, the body include being used for the self-walking apparatus of walking and are located on body
Snow removal equipment, the snow removal equipment includes snow scraper structure and snow slinging mechanism, the snow scraper structure after snow is swept by snow blower
Structure is dished out, and the snow scraper structure includes scraper and the first motor being connected with the scraper, and the snow slinging mechanism includes leaf
Wheel and the second motor for driving the wheel rotation.
Preferably, the scraper includes first rotating shaft and the snow removal wheel in first rotating shaft, first electricity
Machine drives the first rotating shaft to rotate by the first belt wheel reducing gear.
Preferably, the body includes being located at the cover that sweeps away snow of body front end, the rear end of the cover that sweeps away snow is provided with logical into snow
Road, described to enter to avenge channel connection and have a snow output spot, the impeller is arranged on and described enters to avenge in passage.
Preferably, the row's of being provided with snow covers at the snow output spot, row's snow cover is provided with gear ring, and the gear ring is engaged with
Rotary worm, the rotary worm is connected with rocking bar.
Preferably, the body also includes transmission case body, by described between the transmission case body and the cover that sweeps away snow
Enter to avenge passage connection, second motor is arranged in the transmission case body.
Preferably, second motor is connected with the second rotating shaft, second rotating shaft is from the transmission case body
Extend into snow passage.
Preferably, the body also includes transmission case body, the self-walking apparatus are including the 3rd rotating shaft, installed in the 3rd turn
Road wheel on axle and the 3rd motor for driving the 3rd rotating shaft, the 3rd rotating shaft, the 3rd motor are arranged on described
In transmission case body, two reduction gear is provided between the 3rd motor and the 3rd rotating shaft.
Preferably, the two reduction gear includes：With the 3rd belt wheel of the 3rd motor connection, the 3rd belt wheel is by passing
The 4th belt wheel that dynamic band is connected, the 4th belt wheel coaxial transmission has a worm screw, and the worm engaging has a worm gear, the worm gear and described the
Three rotating shafts are coaxial.
Using beneficial effects of the present invention：
In the present invention, the snow scraper structure and snow slinging mechanism in traditional snow removal equipment are correspondingly arranged a power source respectively,
Power source realizes that is, described snow scraper structure includes scraper and the first electricity being connected with the scraper using two motors
Machine, snow slinging mechanism includes impeller and the second motor for driving the wheel rotation, and snow scraper structure provides dynamic by the first motor
Power source, snow slinging mechanism provides power source by the second special motor, and the power source of the two operating procedures is separate, so may be used
To accomplish that both do not interfere with each other, and single power source individually corresponds to a mechanism, and power is more powerful, solves existing two-step
The phenomenon bad with snow throwing effect that be short of power that snowplough occurs.
In addition, being swept away snow control method the invention also discloses a kind of two-step of two-step snowplough, swept using above-mentioned two-step
Snow machine, first motor and the second motor are connected to PCB controllers, and the first motor and the second motor are independently controlled, institute
Snowplough is stated when work is started, the startup time existence time of first motor and the second motor is poor：
When snowplough starts, second motor first starts operating, and the Yu Xuexian upper task remained on impeller is clear
Remove, then restarting the first motor carries out work of sweeping away snow, and the time of the first motor delay start is 1S~5S.
Preferably, the snowplough is when being stopped, the dwell time of first motor and the second motor is present
Time difference：
When snowplough stops, first motor first shuts down, the remaining snow that allowing on impeller has had remove it is clean, then
Second motor shuts down, and the delay dwell time of second motor is 1S~5S.
Because two motors can be controlled individually, two motors can be independently controlled, and in the method, be arranged to second
Before the secondary whole machine of startup, can first start remaining snow or the existing removing of debris that the second motor remains in upper task on impeller.And such as
When fruit is stopped, can first stop the first motor, the second motor can be worked on a period of time, be conducive to cleaning whole machine.The
One motor and the second motor realize that working time difference is conducive to user to make rotating speed and moment of torsion etc. according to the actually situation of sweeping away snow and adapts to
Property adjustment so that it is more thorough to sweep away snow.With single electric system sweep away snow with snow throwing act compared with, snow removing effect it is more thorough, make
With more humane.
Meanwhile, bi-motor independently controls also other advantages, in snowplough workplace, scrapes the first motor of snow
Can individually control to scrape the rotating speed for avenging motor according to factors such as thickness, the humidity of snow；During snow throwing, the second motor of snow throwing can
Individually control snow throwing motor to realize the adjustable of snow throwing distance according to states such as pine snow, snow slush or slush mixtures, come for user
Say, adjustment is got up more free.
These features of the invention and advantage will be detailed in following specific embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of snowplough embodiment one of the present invention；
Fig. 2 is the partial schematic sectional view of snowplough embodiment one of the present invention；
Fig. 3 is the structural representation of snow scraper structure in snowplough embodiment one of the present invention；
Fig. 4 is the schematic diagram of snow slinging mechanism in snowplough embodiment one of the present invention；
Fig. 5 is the structural representation of self-walking apparatus in snowplough embodiment one of the present invention；
Fig. 6 is the schematic diagram of control system in snowplough embodiment one of the present invention.
【Specific embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under
Embodiment only the preferred embodiments of the present invention are stated, and it is not all.Based on the embodiment in implementation method, those skilled in the art
Other embodiment is obtained on the premise of creative work is not made, protection scope of the present invention is belonged to.
Embodiment 1
As shown in Fig. 1 to 6, the present embodiment is a kind of two-step snowplough, including body, body includes being located at sweeping for front end
Device is avenged, the transmission case body 3 of centre is located at and is located at the armrest assembly of rear end, self-walking apparatus are installed on transmission case body 3, walked certainly
Device includes two road wheels 42, and road wheel 42 is located on transmission case body 3, for driving whole body to move, in the present embodiment
Snowplough be two-step snowplough, i.e., described snow removal equipment includes snow scraper structure and snow slinging mechanism, and the snow scraper structure scrapes snow
Dished out by snow slinging mechanism after rising, the snow scraper structure includes scraper and the first motor 11 being connected with the scraper, institute
State second motor 21 of the snow slinging mechanism including impeller 22 and for driving the impeller 22 to rotate.
The snow scraper structure and snow slinging mechanism in traditional snow removal equipment are correspondingly arranged a power source respectively in the present embodiment,
Power source realizes that snow scraper structure provides power source by the first motor 11, and snow slinging mechanism is by special second using two motors
Motor 21 provides power source, and the power source of the two operating procedures is separate, can so accomplish that both do not interfere with each other, and single
Independent one mechanism of correspondence of individual power source, power is more powerful, solve that existing two-step snowplough occurs be short of power and
The bad phenomenon of snow throwing effect.
In addition, the two-step the invention also discloses above-mentioned two-step snowplough is swept away snow control method, because two motors can be with
Individually control, two motors can be independently controlled, and in the method, before being arranged to the whole machine of second startup, can first start the
Upper task is remained in two motors remaining snow or the existing removing of debris on impeller, then restarts the first motor, the first motor
The delay opening time be 1S~5S, preferably 2S.
And if when being stopped, can first stop the first motor, the second motor can be worked on a period of time, be conducive to
Whole machine is cleaned, the second motor operation is then stopped again, the delay dwell time of second motor is 1S~5S, preferably 2S.
First motor and the second motor realize that working time difference is conducive to user to make rotating speed and moment of torsion etc. according to the actually situation of sweeping away snow and fits
Answering property is adjusted, so that it is more thorough to sweep away snow.With single electric system sweep away snow with snow throwing act compared with, snow removing effect it is more thorough,
Using more humane.
Meanwhile, bi-motor independently controls also other advantages, in snowplough workplace, scrapes the first motor of snow
Can individually control to scrape the rotating speed for avenging motor according to factors such as thickness, the humidity of snow；During snow throwing, the second motor of snow throwing can
Individually control snow throwing motor to realize the adjustable of snow throwing distance according to states such as pine snow, snow slush or slush mixtures, come for user
Say, adjustment is got up more free.
The concrete structure of snow scraper structure：
With reference to shown in Fig. 2 and Fig. 3, including the cover 12 that sweeps away snow of the front end of the body is located at, the cover 12 that sweeps away snow is substantially in hollow
Semicolumn, front opening, the scraper include first rotating shaft 13 and the snow removal wheel 14 in first rotating shaft 13, sweep away snow
Take turns 14 as shown in Figure 2, including left side snow removal wheel and right side snow removal wheel, in the shape of a spiral, edge is provided with sawtooth to snow removal wheel 14, left
When side snow removal wheel and right side snow removal wheel are rotated respectively, can will avenge and sweep and send snow, the first rotating shaft toward the centre of the cover 12 that sweeps away snow
13 two ends are rotatably connected on sweeps away snow on cover 12.
First motor 11 drives the first rotating shaft 13 to rotate by the first belt wheel reducing gear, specifically, sweeps
The side of snow cover 12 is provided with the first motor 11, and the output end of the first motor 11 is connected with the first belt wheel 15, the first rotating shaft
The sidepiece of the cover 12 that sweeps away snow is extended in 13 one end, and the second belt wheel 16 is provided with external part, the diameter of second belt wheel 16
More than the diameter of the first belt wheel 15, it is connected by the first transmission belt 17 between the first belt wheel 15 and the second belt wheel 16, is swept away snow
The sidepiece of cover 12 is provided with motor cover 18, and the first motor 11, the first belt wheel 15, the first transmission belt 17, the second belt wheel 16 are respectively mounted
In motor cover 18.
The concrete structure of snow slinging mechanism：
With reference to shown in Fig. 2 and Fig. 4, the rear wall for sweeping away snow cover 12 is provided with into thrush 121, the transmission case body 3 with
Sweep away snow and be connected with into snow passage 23 between cover 12, two snow removal wheels 14 are sent into snow by entering thrush 121 after snow is swept and led to
Road 23, the impeller 22 is arranged on into snow passage 23, enters to avenge passage 23 in the present embodiment for horizontally set, the rotation of impeller 22
Axis is to enter to avenge the upper end of passage 23 into the central axis for avenging passage 23 to be provided with snow output spot 24, is existed into the snow for entering to avenge passage 23
Can be thrown out of from snow output spot 24 under the drive of impeller 22, so as to realize snow throwing step.
The second described motor 21 is arranged in transmission case body 3, and the direct drive of the second motor 21 has the second rotating shaft 25, described
Second rotating shaft 25 is stretched out from transmission case body 3, is extended into snow passage 23, and the impeller 22 is sleeved in the second rotating shaft 25,
Impeller 22 is rotated when second rotating shaft 25 is rotated.
The snow output spot 24 of the present embodiment is located at top, in order to allow snow to be discharged to accurate location, goes out described in the present embodiment
The row's of being provided with snow cover 26 at thrush 24, row's snow cover 26 is provided with gear ring 27, and the gear ring 27 is engaged with rotary worm 28, turns
Dynamic worm screw 28 is hinged on the top of transmission case body 3, and the rotary worm 28 is connected with rocking bar 29 by universal joint, and rocking bar 29 is mounted
On armrest assembly, when user shakes rocking bar 29 manually, rotary worm 28 can be driven to rotate by universal joint, rotary worm
During 28 rotation, gear ring 27 is driven to rotate, the row of drive avenges cover 26 and rotates when gear ring 27 is rotated, so that the angle of snow throwing is controlled, so that
Obtain snow throwing position more accurate.
The concrete structure of self-walking apparatus：
With reference to shown in Fig. 2 and Fig. 5, including the 3rd rotating shaft 43, the both sides side of the 3rd rotating shaft 43 each extends over out transmission case body 3
Sidepiece, the road wheel 42 is arranged on the two ends of the 3rd rotating shaft 43, is provided with for driving the described 3rd in the transmission case body 3
3rd motor 41 of rotating shaft 43, two reduction gear is provided between the 3rd motor 41 and the 3rd rotating shaft 43, is subtracted by two grades
Speed reduces the rotating speed of the 3rd rotating shaft 43, while increasing the moment of torsion of the 3rd rotating shaft 43 so that the 3rd rotating shaft 43 is walked in snowfield
When it is more reliable, it is non-slip.
Specifically, the present embodiment two reduction gear includes the second belt wheel reducing gear and worm-and-wheel gear, wherein the
The output end of three motors 41 is connected with the 3rd belt wheel 44, and the 3rd belt wheel 44 is connected with the 4th belt wheel 46 by the second transmission belt 45,
The diameter with diameter greater than the 3rd belt wheel 44 of the 4th belt wheel 46, the coaxial transmission of the 4th belt wheel 46 has worm screw, and the worm engaging has
Worm gear, worm gear drives the 3rd rotating shaft 43 to rotate, and the worm-and-wheel gear integral installation is described small in a pinion stand 47
Gear-box 47 is installed on dividing plate 48, and the dividing plate 48 is arranged in transmission case body 3.
Above-mentioned snow scraper structure, snow slinging mechanism and self-walking apparatus have by the first motor 11, the second motor 21 and the 3rd respectively
Motor 41 provides power for it.These three motors are powered by same dynamic power system, constitute three motor-driven snowploughs, the
One motor 11, the second motor 21, the 3rd motor 41 are both preferably brushless electric machine.
With reference to shown in Fig. 1 and Fig. 6, user's operation for convenience improves security, and the present embodiment is set for three electric systems
A set of control system, is mostly installed on armrest assembly, and armrest assembly described in the present embodiment includes left handrail 501 and right handrail
502, the ginseng such as control panel 503, the first motor 11, time difference of the second motor 21 is provided with the middle of left handrail 501 and right handrail 502
Number can realize regulation by control panel 503.The end of left handrail 501 is provided with left handle 51, and left handle 51 is opened by second
Close 52 and control self-walking apparatus, second switch 52 is trigger in the present embodiment, operation is pulled up and unclamped by trigger to drive the 3rd
Motor 41.
The end of right handrail 502 is provided with right handle 53, and right handle 53 is provided with first switch 54, the control of first switch 54 the
The opening and closing of one motor 11 and the second motor 21, first switch 54 is also trigger in the present embodiment, trigger when pulling, the
One motor 11 and the second motor 21 can be automatically obtained delay and open or late release, with one according to the time delay for setting
Switch realizes two motors of control simultaneously, and certain those skilled in the art are also readily apparent that, in other embodiments, or
First motor 11, the second motor 21 individually set switch, then user control manually the delays of two motors open or
Late release.
Additionally, being additionally provided with safety switch 55 in the present embodiment on right handle 53, safety switch 55 is only first pressed, then detained
Trigger action could trigger the startup of the first motor 11 and the second motor 21.
The control panel 503 is provided with switch safety key 56 and emergency stop switch 57.Emergency stop switch 57 is only screwed out, is inserted
After upper safety key 56, left handle 51 could drive the 3rd motor 41 to be powered, and start to walk work certainly；Right handle 53 could drive
One motor 11 and the second motor 21 are powered, and start to scrape snow and snow throwing work.When in emergency circumstances, can directly pressing emergency stop switch
57, whole machine power-off.
A whole set of control system is concentrated on armrest assembly, facilitates user directly to operate, and security is good, is respectively provided with
Safety switch 55 and emergency stop switch 57, it is possible to achieve only open self-walking apparatus, Gua Xue mechanisms and snow slinging mechanism are in interim protection
State.
As shown in fig. 6, the dynamic power system in the present embodiment, including PCB controllers 61 and battery supply, the battery
Power supply includes some Battery pack bags 62, and the PCB controllers 61 control battery supply to be powered for three motors.PCB controllers 61
The electric current of load is controlled, and protection is provided.The top of the transmission case body 3 is provided with battery case, and some Battery pack bags 62 are placed on
In battery case, and covered with battery cover 31, convenient to take out and charge, to reduce volume, the battery bag 62 in the present embodiment is used
Lithium battery pack.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the scope of claims.
Claims (10)
1. a kind of two-step snowplough, including body, the body includes being used for the self-walking apparatus of walking and is located at sweeping on body
Snow device, the snow removal equipment includes snow scraper structure and snow slinging mechanism, the snow scraper structure after snow is swept by snow slinging mechanism
Dish out, it is characterised in that the snow scraper structure includes scraper and the first motor being connected with the scraper, the snow blower
Structure includes impeller and the second motor for driving the wheel rotation.
2. two-step snowplough as claimed in claim 1, it is characterised in that the scraper includes first rotating shaft and installed in first
Snow removal wheel in rotating shaft, first motor drives the first rotating shaft to rotate by the first belt wheel reducing gear.
3. two-step snowplough as claimed in claim 2, it is characterised in that the body includes being located at the cover that sweeps away snow of body front end,
The rear end of the cover that sweeps away snow is provided with into snow passage, described to enter to avenge channel connection and have a snow output spot, the impeller be arranged on it is described enter snow
In passage.
4. two-step snowplough as claimed in claim 3, it is characterised in that the row's of being provided with snow cover at the snow output spot, row's snow
Cover is provided with gear ring, and the gear ring is engaged with rotary worm, and the rotary worm is connected with rocking bar.
5. two-step snowplough as claimed in claim 3, it is characterised in that the body also includes transmission case body, the transmission case
Enter to avenge passage connection by described between body and the cover that sweeps away snow, second motor is arranged in the transmission case body.
6. two-step snowplough as claimed in claim 5, it is characterised in that second motor is connected with the second rotating shaft, institute
The second rotating shaft is stated to be extended to from the transmission case body into snow passage.
7. the two-step snowplough as described in one of claim 1 to 6, it is characterised in that the body also includes transmission case body, described
Self-walking apparatus include the 3rd rotating shaft, the road wheel in the 3rd rotating shaft and the 3rd electricity for driving the 3rd rotating shaft
Machine, the 3rd rotating shaft, the 3rd motor are arranged in the transmission case body, and two are provided between the 3rd motor and the 3rd rotating shaft
Level reducing gear.
8. two-step snowplough as claimed in claim 7, it is characterised in that the two reduction gear includes：Connect with the 3rd motor
The 3rd belt wheel for connecing, the 4th belt wheel that the 3rd belt wheel is connected by transmission belt, the 4th belt wheel coaxial transmission has worm screw, the worm screw
Worm gear is engaged with, the worm gear is coaxial with the 3rd rotating shaft.
9. a kind of two-step of two-step snowplough is swept away snow control method, is swept using the two-step described in any one in claim 1 to 8
Snow machine, it is characterised in that first motor and the second motor are connected to PCB controllers, the first motor and the second motor quilt
Independent control, the snowplough is when work is started, and the startup time existence time of first motor and the second motor is poor：
When snowplough starts, second motor first starts operating, and the remaining snow upper task remained on impeller is first removed, so
After restart the first motor, the time of the first motor delay start is 1S~5S.
10. the two-step of two-step snowplough as claimed in claim 9 is swept away snow control method, it is characterised in that the snowplough exists
When being stopped, the dwell time existence time of first motor and the second motor is poor：
When snowplough stops, first motor first shuts down, the remaining snow that allowing on impeller has had remove it is clean, then second
Motor shuts down, and the delay dwell time of second motor is 1S~5S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102341.5A CN106702941B (en) | 2016-12-05 | 2016-12-05 | A kind of two-step snowplough and two-step are swept away snow control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102341.5A CN106702941B (en) | 2016-12-05 | 2016-12-05 | A kind of two-step snowplough and two-step are swept away snow control method |
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| Publication Number | Publication Date |
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| CN106702941A true CN106702941A (en) | 2017-05-24 |
| CN106702941B CN106702941B (en) | 2018-09-11 |
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| CN201611102341.5A Active CN106702941B (en) | 2016-12-05 | 2016-12-05 | A kind of two-step snowplough and two-step are swept away snow control method |
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| CN110528448A (en) * | 2018-05-23 | 2019-12-03 | 苏州宝时得电动工具有限公司 | Switching method, device and the snowplough of snowplough operating mode |
| WO2020038448A1 (en) * | 2018-08-22 | 2020-02-27 | 南京德朔实业有限公司 | Snowplow |
| CN111424595A (en) * | 2018-12-20 | 2020-07-17 | 南京德朔实业有限公司 | Snow sweeper, garden tool and starting method of garden tool |
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| WO2020038448A1 (en) * | 2018-08-22 | 2020-02-27 | 南京德朔实业有限公司 | Snowplow |
| CN110857552A (en) * | 2018-08-22 | 2020-03-03 | 南京德朔实业有限公司 | Snow sweeper |
| CN110984052A (en) * | 2018-08-22 | 2020-04-10 | 南京德朔实业有限公司 | Snow sweeper |
| CN111655933A (en) * | 2018-08-22 | 2020-09-11 | 南京德朔实业有限公司 | Snow sweeper |
| US11015314B2 (en) | 2018-08-22 | 2021-05-25 | Nanjing Chervon Industry Co., Ltd. | Snow thrower |
| CN111424595A (en) * | 2018-12-20 | 2020-07-17 | 南京德朔实业有限公司 | Snow sweeper, garden tool and starting method of garden tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106702941B (en) | 2018-09-11 |
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Denomination of invention: A double step snow sweeper and its control method Effective date of registration: 20210316 Granted publication date: 20180911 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2021330000188 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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