CN216689210U - Snow removing roller capable of scraping hard snow blocks and snow removing device and heating device thereof - Google Patents
Snow removing roller capable of scraping hard snow blocks and snow removing device and heating device thereof Download PDFInfo
- Publication number
- CN216689210U CN216689210U CN202220277641.1U CN202220277641U CN216689210U CN 216689210 U CN216689210 U CN 216689210U CN 202220277641 U CN202220277641 U CN 202220277641U CN 216689210 U CN216689210 U CN 216689210U
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- Prior art keywords
- snow
- fixedly connected
- motor
- roller
- baffle
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 238000007790 scraping Methods 0.000 title claims abstract description 23
- 238000002844 melting Methods 0.000 claims abstract description 30
- 230000008018 melting Effects 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 28
- 239000005413 snowmelt Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The utility model relates to the technical field of snow removing equipment, and discloses a snow removing roller capable of scraping hard snow blocks, a snow removing device and a heating device thereof, the snow removing roller comprises a supporting frame, a snow removing device is arranged in the supporting frame, a heating device is arranged in the supporting frame, the snow removing device comprises a crushing roller at the bottom of the supporting frame, a cleaning brush is fixedly connected outside the crushing roller, the back of the crushing roller is provided with a grinding roller, the back of the grinding roller is provided with a snow melting baffle, the bottom of the snow melting baffle is provided with a spraying hole, the right side of the rolling roller is fixedly connected with a third motor, the outer part of the third motor is fixedly connected with a third protective cover, this can strike off clear snow of hard knot snow piece and roll, removes the snow to the road through starting snow removing device, then rethread heating device heats snow removing equipment, accomplishes the operation of clearing away hard knot snow piece on the road and protection snow removing equipment.
Description
Technical Field
The utility model relates to the technical field of snow removing equipment, in particular to a snow removing roller capable of scraping hard snow blocks, a snow removing device and a heating device thereof.
Background
Snow removing equipment is mechanical equipment for removing accumulated ice and accumulated snow covering a main traffic channel such as a bridge, a highway and the like, is commonly used in winter in the north of China, and mainly comprises snow removing vehicles, snow melting vehicles, snow channel clearing vehicles, snow blowing vehicles, spraying vehicles, sand blasting vehicles, ice removing vehicles, snow shoveling vehicles, snow sweeping vehicles, multifunctional snow removing machines, snow sweeping machines, snow throwing machines and the like.
Present clear snow rolls and cleans snow for a pivoted round brush, rotates through the round brush, when removing snow the operation, because vehicle pedestrian etc. rolls, leads to snow to be compacted and become the snow piece, still has a large amount of hard snow pieces to exist after the round brush snow removing, does not clear away totally, leads to making the road secondary to freeze, has reduced the work efficiency of snow removing.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a snow removing roller capable of scraping hard snow blocks, a snow removing device and a heating device thereof, which have the advantage of clean snow removal and solve the problems that the hard snow blocks are not cleaned completely in the background technology, so that the road is secondarily frozen and the snow removing work efficiency is reduced.
In order to achieve the purpose, the utility model provides the following technical scheme: a snow removing roller capable of scraping hard snow blocks comprises a supporting frame, wherein a snow removing device is arranged inside the supporting frame, and a heating device is arranged inside the supporting frame;
when needs remove snow, remove snow to the road through starting snow removing device this moment, then the rethread heating device heats snow removing equipment, accomplishes the operation of driving the hard snow piece on the road and protection snow removing equipment.
The snow removing device includes: the snow melting device comprises a crushing roller, a cleaning brush, a rolling roller, a snow melting baffle and spraying holes, wherein the crushing roller is arranged at the bottom of a support frame, the cleaning brush is fixedly connected to the outside of the crushing roller, the rolling roller is arranged on the back of the crushing roller, the snow melting baffle is arranged on the back of the rolling roller, and the spraying holes are formed in the bottom of the snow melting baffle;
when needs remove the snow, drive the rotation of second pivot through starting the second motor this moment, thereby drive the crushing roller and carry out the breakage to hard snow, and then clean broken hard snow through the outside brush cleaner of crushing roller again, block broken hard snow through the snow melt baffle simultaneously, avoid hard snow to sputter, cause equipment to damage, and then rethread starts third motor and drives the third pivot and rotate, thereby drive the roller and pulverize broken hard snow, make into hard snow and grind into powder, then through putting into the snow melt agent in the snow melt baffle, the rethread sprays the hole and sprays, make powdered hard snow, accomplish the operation that removes the snow, reach the effect of thoroughly clearing away.
The heating device includes: the insulation box is fixedly connected inside the supporting frame, the heater is fixedly connected to the top of the insulation box, the first motor is fixedly connected to the top of the heater, the first protection cover is fixedly connected to the outer portion of the first motor, the shunt pipe is fixedly connected to the inner portion of the insulation box, and the spray head is fixedly connected to the bottom of the shunt pipe;
when equipment is removing the snow, admit air to the insulation can through the air inlet this moment in, then through the start-up heater again, first motor drives a fan and rotates, then heats the air through the heater, and the air rethread flow distribution pipe after the heating is leading-in to the shower nozzle, and then rethread shower nozzle heats equipment such as crushing roller, makes the residue on the equipment melt, avoids the residue to glue on equipment, causes the damage to equipment to reach the effect of protection snow removing equipment.
Preferably, the support frame right side fixedly connected with second motor, the outside fixedly connected with second safety cover of second motor, second motor left side is rotated and is connected with the second pivot.
Preferably, the right side of the rolling roller is fixedly connected with a third motor, the outer portion of the third motor is fixedly connected with a third protective cover, and the left side of the third motor is rotatably connected with a third rotating shaft.
Preferably, the support frame left side fixedly connected with air inlet, the air inlet outside has cup jointed the dust screen.
Preferably, the back of the support frame is fixedly connected with a connecting frame, and the top of the connecting frame is provided with a mounting hole.
Preferably, the back of the snow melting baffle is fixedly connected with an inlet, and a cover sleeve is sleeved outside the inlet.
A snow removing apparatus of a snow removing roller capable of scraping hard snow lump, comprising: the snow melting device comprises a crushing roller, a cleaning brush, a rolling roller, a snow melting baffle and a spraying hole, wherein the crushing roller is arranged at the bottom of a support frame, the cleaning brush is fixedly connected with the outer part of the crushing roller, the rolling roller is arranged on the back surface of the crushing roller, the snow melting baffle is arranged on the back surface of the rolling roller, and the spraying hole is formed in the bottom of the snow melting baffle.
A snow plow heating device capable of scraping hard snow lumps, comprising: insulation can, heater, first motor, first guard shield, shunt tubes and shower nozzle, insulation can fixed connection inside the support frame, the top fixedly connected with heater of insulation can, the first motor of heater top fixedly connected with, the first guard shield of the outside fixedly connected with of first motor, the inside fixedly connected with shunt tubes of insulation can, the bottom fixedly connected with shower nozzle of shunt tubes.
Compared with the prior art, the utility model provides a snow removing roller capable of scraping hard snow blocks, a snow removing device and a heating device thereof, which have the following beneficial effects:
1. the snow removing roller capable of scraping hard snow blocks is matched with a snow melting baffle and the like through the arrangement of the crushing roller, the rolling roller and the snow melting baffle, and particularly, when snow is required to be removed, the second motor is started to drive the second rotating shaft to rotate, so that the crushing roller is driven to crush the hard snow blocks, the crushed hard snow blocks are cleaned through a cleaning brush outside the crushing roller, the crushed hard snow blocks are blocked through the snow melting baffle, the hard snow blocks are prevented from sputtering to cause equipment damage, then the third motor is started to drive the third rotating shaft to rotate, so that the rolling roller is driven to crush the crushed hard snow blocks, the hard snow blocks are ground into powder, then a snow melting agent is put into the snow melting baffle and sprayed through the spraying holes, the powder hard snow blocks are melted, the snow removing operation is completed, the effect of thoroughly removing is achieved, and the problem that the hard snow blocks mentioned in the background technology are not cleaned completely is solved, the road is frozen for the second time, and the snow removing work efficiency is reduced.
2. This can strike off clear snow of hard snow piece and roll, through being provided with the heater, devices such as insulation can and shower nozzle mutually support, specifically be when equipment is removing snow, admit air in the insulation can through the air inlet this moment, then through the start heater, first motor drives a fan and rotates, then heat the air through the heater, the air rethread shunt pipe after the heating is leading-in to the shower nozzle, and then rethread shower nozzle heats equipment such as crushing roller, make the residue on the equipment melt, avoid gluing on the residue equipment, cause the damage to equipment, thereby reach the effect of protection snow removing equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the heating apparatus of the present invention;
FIG. 4 is a schematic view of an inner layer of the present invention;
FIG. 5 is a schematic view of the inlet structure of the present invention.
Wherein: 1. a support frame; 2. a snow removal device; 3. a heating device; 4. a second motor; 5. a third motor; 6. a connecting frame; 7. an inlet; 11. an air inlet; 12. a dust screen; 21. a crushing roller; 22. cleaning with a brush; 23. rolling a roller; 24. a snow melting baffle; 25. a spray orifice; 31. a heat preservation box; 32. a heater; 33. a first motor; 34. a first protective cover; 35. a shunt tube; 36. a spray head; 41. a second protective cover; 42. a second rotating shaft; 51. a third protective cover; 52. a third rotating shaft; 61. mounting holes; 71. and (7) covering the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the utility model
The following is a specific embodiment of a snow removing roller capable of scraping hard snow lumps.
Referring to fig. 1-5, a snow removing roller capable of scraping hard snow lumps in the present embodiment includes a support frame 1, a snow removing device 2 disposed inside the support frame 1, and a heating device 3 disposed inside the support frame 1;
when needs remove the snow, remove the snow to the road through starting snow removing device 2 this moment, then rethread heating device 3 heats the snow removing equipment, accomplishes the operation of driving the hard snow piece on the road and protection snow removing equipment.
The snow removing device 2 includes: the snow melting device comprises a crushing roller 21, a cleaning brush 22, a crushing roller 23, a snow melting baffle 24 and spraying holes 25, wherein the crushing roller 21 is arranged at the bottom of a support frame 1, the cleaning brush 22 is fixedly connected to the outer part of the crushing roller 21, the crushing roller 23 is arranged on the back surface of the crushing roller 21, the snow melting baffle 24 is arranged on the back surface of the crushing roller 23, and the spraying holes 25 are formed in the bottom of the snow melting baffle 24;
when needs remove the snow, drive second pivot 42 through starting second motor 4 this moment and rotate, thereby drive crushing roller 21 and carry out the breakage to hard snow, and then the outside brush cleaner 22 of rethread crushing roller 21 cleans broken hard snow, block broken hard snow through snow melt baffle 24 simultaneously, avoid hard snow to piece sputter, cause the equipment to damage, and then rethread starts third motor 5 and drives third pivot 52 and rotate, thereby drive grinding roller 23 and pulverize broken hard snow, make hard snow and grind into powder, then through putting into the snow melt agent in snow melt baffle 24, rethread sprays hole 25 and sprays, make powdered hard snow melt, accomplish the operation of removing snow, reach the effect of thoroughly clearing away.
The heating device 3 includes: the insulation box 31 is fixedly connected inside the support frame 1, the heater 32 is fixedly connected to the top of the insulation box 31, the first motor 33 is fixedly connected to the top of the heater 32, the first protection cover 34 is fixedly connected to the outside of the first motor 33, the shunt tube 35 is fixedly connected inside the insulation box 31, and the spray head 36 is fixedly connected to the bottom of the shunt tube 35;
when equipment is removing snow, admit air to insulation can 31 in through air inlet 11 this moment, then through starting heater 32 again, first motor 33 drives a fan and rotates, then heat the air through heater 32, the air rethread shunt tubes 35 after the heating is leading-in to shower nozzle 36, and then rethread shower nozzle 36 heats equipment such as crushing roller 21, make the residue on the equipment melt, avoid the residue to glue on equipment, cause the damage to equipment, thereby reach the effect of protection snow removing equipment.
Specifically, the right side of the support frame 1 is fixedly connected with a second motor 4, the outside of the second motor 4 is fixedly connected with a second protective cover 41, and the left side of the second motor 4 is rotatably connected with a second rotating shaft 42.
Through above-mentioned technical scheme, protect second motor 4 through second safety cover 41, prevent that second motor 4 from receiving the damage, rethread starts second motor 4 and drives second pivot 42 and rotate to drive crushing roller 21 and function.
Specifically, the right side of the rolling roller 23 is fixedly connected with a third motor 5, the outside of the third motor 5 is fixedly connected with a third protective cover 51, and the left side of the third motor 5 is rotatably connected with a third rotating shaft 52.
Through above-mentioned technical scheme, protect third motor 5 through third safety cover 51, prevent that third motor 5 from receiving the damage, rethread starts third motor 5 and drives third pivot 52 and rotate to drive the roller 23 function of rolling.
Specifically, support frame 1 left side fixedly connected with air inlet 11, air inlet 11 outside has cup jointed dust screen 12, and air inlet 11 is connected to in the inside insulation can 31 of support frame 1 through the pipeline.
Through the technical scheme, water flow can be conveyed into the heat preservation box 31 through the air inlet 11, and then the water flow is prevented from flowing out of the heat preservation box 31 by starting the dustproof net 12.
Specifically, the back of the support frame 1 is fixedly connected with a connecting frame 6, and the top of the connecting frame 6 is provided with a mounting hole 61.
Through the technical scheme, the connecting frame 6 can be connected with devices such as the snow sweeper through the mounting holes 61 by arranging the mounting holes 61.
Specifically, the back of the snow-melting baffle 24 is fixedly connected with an inlet 7, and the outside of the inlet 7 is sleeved with a cover sleeve 71.
By the technical scheme, the snow melting agent can be conveyed into the snow melting baffle plate 24 through the inlet 7 and then is prevented from flowing out through the cover sleeve 71.
When using, remove the snow to the road through starting snow removing device 2, then rethread heating device 3 heats the snow removing equipment, accomplishes the operation of driving the hard snow piece on the road and protection snow removing equipment.
Detailed description of the utility model
The following is a specific embodiment of a snow removing device capable of scraping the snow removing roller of the hard snow lump, and the snow removing device can be independently implemented and can also be used as a key device capable of scraping the snow removing roller of the hard snow lump disclosed in the specific embodiment.
The snow removing device capable of scraping snow-removing roller of hard snow block under the embodiment comprises: crushing roller 21, brush 22, roll 23, snow melt baffle 24 and spray hole 25, crushing roller 21 set up in support frame 1 bottom, the outside fixedly connected with brush 22 of crushing roller 21, the crushing roller 21 back is provided with roll 23, the roll 23 back is provided with snow melt baffle 24, spray hole 25 has been seted up to snow melt baffle 24 bottom.
Through the technical scheme, when snow is removed to needs, drive second pivot 42 through starting second motor 4 this moment and rotate, thereby drive crushing roller 21 and carry out the breakage to hard snow, and then the outside brush cleaner 22 of rethread crushing roller 21 cleans broken hard snow, block broken hard snow through snow melt baffle 24 simultaneously, avoid hard snow to sputter, cause equipment to damage, and then rethread starts third motor 5 and drives third pivot 52 and rotate, thereby drive grinding roller 23 and pulverize broken hard snow, make hard snow and grind into powder, then through putting into the snow melt agent in snow melt baffle 24, rethread sprays hole 25 and spray, make powdered hard snow melt, accomplish the operation of removing snow, reach the effect of thoroughly clearing away.
Detailed description of the utility model
The following is a specific embodiment of a heating device of a snow removing roller capable of scraping hard snow blocks, which can be implemented independently, and can also be used as a key device of the snow removing roller capable of scraping hard snow blocks disclosed in the specific embodiment.
The heating device of the snow removing roller capable of scraping hard snow blocks under the embodiment comprises: insulation can 31, heater 32, first motor 33, first guard shield 34, shunt tubes 35 and shower nozzle 36, insulation can 31 fixed connection inside support frame 1, insulation can 31's top fixedly connected with heater 32, heater 32 top fixedly connected with first motor 33, first motor 33 outside fixedly connected with first guard shield 34, insulation can 31's inside fixedly connected with shunt tubes 35, shunt tubes 35's bottom fixedly connected with shower nozzle 36.
Through the technical scheme, when equipment is removing snow, admit air to insulation can 31 in through air inlet 11 this moment, then through starting heater 32 again, first motor 33 drives a fan and rotates, then heat the air through heater 32, the air rethread shunt tubes 35 after the heating is leading-in to shower nozzle 36, and then rethread shower nozzle 36 heats equipment such as crushing roller 21, make the residue on the equipment melt, avoid the residue to glue on equipment, cause the damage to equipment, thereby reach the effect of protection snow removing equipment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a can strike off clear snow of hard snow piece and roll, includes support frame (1), its characterized in that: a snow removing device (2) is arranged in the support frame (1), and a heating device (3) is arranged in the support frame (1);
the snow removing device (2) includes: the snow melting device comprises a crushing roller (21), a cleaning brush (22), a rolling roller (23), a snow melting baffle (24) and spraying holes (25), wherein the crushing roller (21) is arranged at the bottom of a support frame (1), the cleaning brush (22) is fixedly connected to the outer part of the crushing roller (21), the rolling roller (23) is arranged on the back surface of the crushing roller (21), the snow melting baffle (24) is arranged on the back surface of the rolling roller (23), and the spraying holes (25) are formed in the bottom of the snow melting baffle (24);
the heating device (3) comprises: insulation can (31), heater (32), first motor (33), first guard shield (34), shunt tubes (35) and shower nozzle (36), insulation can (31) fixed connection inside support frame (1), the top fixedly connected with heater (32) of insulation can (31), heater (32) top fixedly connected with first motor (33), first motor (33) outside fixedly connected with first guard shield (34), the inside fixedly connected with shunt tubes (35) of insulation can (31), the bottom fixedly connected with shower nozzle (36) of shunt tubes (35).
2. A snow plow capable of scraping hard snow lumps as set forth in claim 1, characterized in that: support frame (1) right side fixedly connected with second motor (4), second motor (4) outside fixedly connected with second safety cover (41), second motor (4) left side is rotated and is connected with second pivot (42).
3. A snow plow capable of scraping hard snow lumps as set forth in claim 1, characterized in that: roll roller (23) right side fixedly connected with third motor (5), third motor (5) outside fixedly connected with third safety cover (51), third motor (5) left side is rotated and is connected with third pivot (52).
4. A snow plow capable of scraping hard snow lumps as set forth in claim 1, characterized in that: support frame (1) left side fixedly connected with air inlet (11), dust screen (12) have been cup jointed to air inlet (11) outside.
5. A snow plow capable of scraping hard snow lumps as set forth in claim 1, characterized in that: the back of the support frame (1) is fixedly connected with a connecting frame (6), and a mounting hole (61) is formed in the top of the connecting frame (6).
6. A snow plow capable of scraping hard snow lumps as set forth in claim 1, characterized in that: the back of the snow melting baffle (24) is fixedly connected with an inlet (7), and a cover sleeve (71) is sleeved outside the inlet (7).
7. The utility model provides a snow removing device that snow removing that can strike off hard snow piece rolled, its characterized in that: the method comprises the following steps: crushing roller (21), cleaning brush (22), roll (23), snow melt baffle (24) and spray hole (25), crushing roller (21) set up in support frame (1) bottom, the outside fixedly connected with cleaning brush (22) of crushing roller (21), crushing roller (21) back is provided with rolls roller (23), roll (23) back is provided with snow melt baffle (24), spray hole (25) have been seted up to snow melt baffle (24) bottom.
8. The utility model provides a can scrape away heating device that snow removing of hard snow piece rolled which characterized in that: the method comprises the following steps: insulation can (31), heater (32), first motor (33), first guard shield (34), shunt tubes (35) and shower nozzle (36), insulation can (31) fixed connection inside support frame (1), the top fixedly connected with heater (32) of insulation can (31), heater (32) top fixedly connected with first motor (33), first motor (33) outside fixedly connected with first guard shield (34), the inside fixedly connected with shunt tubes (35) of insulation can (31), the bottom fixedly connected with shower nozzle (36) of shunt tubes (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220277641.1U CN216689210U (en) | 2022-02-11 | 2022-02-11 | Snow removing roller capable of scraping hard snow blocks and snow removing device and heating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220277641.1U CN216689210U (en) | 2022-02-11 | 2022-02-11 | Snow removing roller capable of scraping hard snow blocks and snow removing device and heating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216689210U true CN216689210U (en) | 2022-06-07 |
Family
ID=81828366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220277641.1U Expired - Fee Related CN216689210U (en) | 2022-02-11 | 2022-02-11 | Snow removing roller capable of scraping hard snow blocks and snow removing device and heating device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216689210U (en) |
-
2022
- 2022-02-11 CN CN202220277641.1U patent/CN216689210U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |