CN109736247B - Air spraying pipe sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle - Google Patents
Air spraying pipe sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle Download PDFInfo
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- CN109736247B CN109736247B CN201910106047.9A CN201910106047A CN109736247B CN 109736247 B CN109736247 B CN 109736247B CN 201910106047 A CN201910106047 A CN 201910106047A CN 109736247 B CN109736247 B CN 109736247B
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- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 238000005507 spraying Methods 0.000 title claims abstract description 41
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 abstract description 8
- 241001417527 Pempheridae Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E01H5/106—Clearing snow or ice exclusively by means of rays or streams of gas or steam, or by suction with or without melting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nozzles (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention belongs to the technical field of snow cleaning vehicle nozzles, and particularly relates to a sealing device of a blast pipe for a pneumatic hot air nozzle special for a snow cleaning and deicing vehicle, which comprises: the sealing sleeve fixing seat B is fixedly arranged on the outer wall of the air spraying pipe, the lower end of the sealing sleeve fixing seat B is provided with a conical surface which is coaxial with the air spraying pipe and is high outside and low inside, the upper end of the sealing sleeve pressing ring B is provided with a conical surface matched with the sealing sleeve fixing seat B, an annular protrusion is arranged on the conical surface, the sealing sleeve is arranged between the sealing sleeve fixing seat B and the sealing sleeve pressing ring B, the lower end of the sealing sleeve pressing ring B is in surface contact with the sealing sleeve locking ring B, and the sealing sleeve locking ring B is in threaded connection with the air spraying pipe. The pneumatic hot air nozzle is used for the quick-freezing hot air type snow and ice removing vehicle, and realizes the snow and ice removing function.
Description
The application is a divisional application of the invention patent application 'a pneumatic hot air nozzle special for a quick-freezing hot air type snow and ice removing vehicle'.
Application date of the original case: 2017-12-31.
Original application No.: 2017114973804.
the name of the original invention is: a pneumatic hot air nozzle special for a quick-freezing hot air type snow and ice removing vehicle.
Technical Field
The invention belongs to the technical field of snow cleaning vehicle nozzles, and particularly relates to a sealing device of a blast pipe of a pneumatic hot air nozzle special for a snow cleaning and deicing vehicle.
Background
The snow removing vehicle is mechanical equipment for removing the accumulated snow on the road in the north, and the traditional snow removing vehicle is provided with a rolling brush in front of a vehicle head and is used for removing the accumulated snow on the road to the roadside by rotating the rolling brush. For the road surface which just runs snow, the snow cleaning vehicle has ideal cleaning effect, and the ground can be directly exposed after cleaning. However, the snow sweeper has the disadvantages that firstly, the roller brush cannot clean snow blocks formed by snow compacted by other vehicles, secondly, the roller brush cannot clean ice on the road surface, and thirdly, the cleaned snow is only stacked beside the road and still needs to be collected, cleaned and transported by matching with mechanical equipment such as a forklift and the like.
The metal baffle is arranged in front of the vehicle head of the snow removal vehicle, and the snow removal vehicle can not only clean snow blocks formed by the compaction of snow by other vehicles, but also clean the icing on the road surface, namely, the snow removal vehicle has the functions of removing snow and ice. However, the snow sweeper has limited snow clearing and deicing effects, and the road surface cleaned by the snow sweeper may still be covered with a layer of thin ice or snow.
To the problem in the field of snow removing vehicles, the team applies a quick-freezing hot air type snow and ice removing vehicle, so that snow removing and ice removing functions are realized, the road surface treated by the vehicle is directly exposed, and ice and snow are collected. However, a technical detail is not taken into account in this patent. When the automobile extrudes the ice bag on the road surface or the road surface has pit damage, the ice bag may contact with the hot air nozzle to damage the hot air nozzle, and the ice bag is thick and difficult to remove.
Disclosure of Invention
In order to solve the problems, the invention discloses a special lifting pneumatic hot air nozzle for a quick-freezing hot air type snow and ice removing vehicle, which not only discloses the specific structure in detail, but also can ensure that the nozzle can be avoided by itself when encountering an ice bag, effectively avoids the nozzle from being damaged by the ice bag, prolongs the service life of the nozzle, and clears the ice bag when crossing the ice bag, and comprises the following steps: the nozzle comprises an air spraying pipe and a nozzle main body, wherein the air spraying pipe is positioned in the nozzle main body, a plurality of groups of sliding wheel sets are circumferentially distributed on the air spraying pipe in an array manner, each group of sliding wheel sets comprises at least two air spraying pipe sliding wheels which are sequentially arranged along the vertical direction, and sliding wheel bodies of the air spraying pipe sliding wheels are arranged on a vertical slide way in the nozzle main body; the inner part of the air spraying pipe is also provided with a nozzle inner ring, the bottom of the air spraying pipe is provided with a grounding wheel, and the air spraying pipe is also provided with a pit crossing device, the pit crossing device comprises two guide wheels which are obliquely arranged, the connecting line of the two guide wheels is tangent to the grounding wheel, the ground clearance of the lower guide wheel is smaller than the radius of the grounding wheel, the guide wheels are connected through a belt, and the guide wheels are connected with the air spraying pipe through a connecting frame; spout tuber pipe upper end and be provided with two sets of mutual disposition's air volume controlling means, every air volume controlling means of group includes: an amount of wind valve, a first valve gear, a second valve gear, the amount of wind valve level sets up on the slide on the blowout pipe, and its upper surface passes through rack and first valve gear connection, first valve gear and second valve gear meshing, the rack toothing of vertical setting in second valve gear and the nozzle main part, first valve gear all is connected with the valve link through the bearing with the second valve gear, and the valve link is connected with the blowout pipe.
Furthermore, a sealing sleeve is arranged between the bottom of the nozzle main body and the air spraying pipe.
Further, the seal cartridge is connected to the nozzle body by a body seal assembly, the body seal assembly comprising: seal cover fixing base A, seal cover clamp ring A, seal cover locking ring A, seal cover fixing base A fixed mounting has annular groove in the nozzle body, is provided with seal cover clamp ring A in the annular groove, the seal cover is arranged in between seal cover clamp ring A and seal cover fixing base A's annular groove inner wall, be provided with annular protrusion on its outer wall of seal cover clamp ring A, its bottom and seal cover locking ring A face contact, this contact surface is with seal cover clamp ring A and seal cover locking ring A coaxial and the conical surface of outer low interior height, seal cover locking ring A and disk seat main part threaded connection.
Furthermore, the outer wall of the sealing sleeve compression ring A is also provided with a fixing ring A groove, a shaft retainer ring A is arranged in the fixing ring A groove, and the sealing sleeve is arranged between the shaft retainer ring A and the fixing ring A groove.
Further, the sealing sleeve clamp ring a includes: the left sealing sleeve compression ring A is connected with the right sealing sleeve compression ring through a magnet block arranged on the outer wall.
Further, be connected through spout tuber pipe sealing device between seal cover and the spout tuber pipe, spout tuber pipe sealing device includes: the sealing sleeve fixing seat B is fixedly arranged on the outer wall of the air spraying pipe, the lower end of the sealing sleeve fixing seat B is provided with a conical surface which is coaxial with the air spraying pipe and is high outside and low inside, the upper end of the sealing sleeve pressing ring B is provided with a conical surface matched with the sealing sleeve fixing seat B, an annular protrusion is arranged on the conical surface, the sealing sleeve is arranged between the sealing sleeve fixing seat B and the sealing sleeve pressing ring B, the lower end of the sealing sleeve pressing ring B is in surface contact with the sealing sleeve locking ring B, and the sealing sleeve locking ring B is in threaded connection with the air spraying pipe.
Further, still be provided with solid fixed ring B groove on the blast pipe, gu fixed ring B inslot is provided with axle retaining ring B, the sealed cover is arranged in between axle retaining ring B and the solid fixed ring B groove.
Furthermore, an insulating layer is further arranged on the outer wall of the nozzle main body.
The invention has the beneficial effects that:
1) according to the invention, a plurality of groups of sliding wheel sets are distributed on the circumference of the air spraying pipe in an array manner, each group of sliding wheel sets comprises at least two air spraying pipe sliding wheels which are sequentially arranged along the vertical direction, and sliding wheel bodies of the air spraying pipe sliding wheels are arranged on a vertical slideway in the nozzle main body; under above-mentioned structure, the nozzle position can be along with the automatic adjustment of ground height, avoids the nozzle to be damaged by the hail, improves the life of nozzle.
2) In the invention, the nozzles can be tightly attached to the ground by utilizing the gravity action of the air spraying pipes and the accessories thereof, thereby improving the snow-removing and deicing effects.
3) In the invention, the bottom of the air spraying pipe is provided with a grounding wheel, the bottom of the air spraying pipe is also provided with a pit crossing device, the pit crossing device comprises two guide wheels which are obliquely arranged, the connecting line of the two guide wheels is tangent to the grounding wheel, the ground clearance of the lower guide wheel is smaller than the radius of the grounding wheel, the guide wheels are connected through a belt, and the guide wheels are connected with the air spraying pipe through a connecting frame; under above-mentioned structure, the nozzle not only can avoid colliding with of ice bag, also can follow and easily climb out between two adjacent ice bags.
4) In the invention, the upper end of the air spraying pipe is provided with two groups of air volume control devices which are oppositely arranged, and each group of air volume control device comprises: the air quantity valve is horizontally arranged on a slide way on the air spraying pipe, the upper surface of the air quantity valve is connected with the first valve gear through a rack, the first valve gear is meshed with the second valve gear, the second valve gear is meshed with a rack vertically arranged on the nozzle main body, the first valve gear and the second valve gear are both connected with the valve connecting frame through bearings, and the valve connecting frame is connected with the air spraying pipe; under the structure, the air quantity valve is automatically opened when the ice pack is large, and is automatically closed when the ice pack is small, so that the air quantity adjusting device has the function of automatically adjusting the air quantity along with the size of the ice pack, does not waste warm air resources, and has a proper cleaning effect.
Drawings
FIG. 1 is a schematic view of the overall structure of a pneumatic hot air nozzle dedicated for a quick-freezing hot air type snow and ice removing vehicle;
FIG. 2 is a schematic structural view of the main body sealing device and the blast pipe sealing device in FIG. 1;
fig. 3 is a schematic structural view of a sealing sleeve compression ring a in fig. 1;
FIG. 4 is a front view of the ground engaging wheel of FIG. 1;
in the figure: 1-air spraying pipe; 2-air-jetting pipe sliding wheel; 3-a nozzle body; 4-sealing sleeve; 5-inner ring of nozzle; 6-a ground engaging wheel; 7-a seal cartridge holder A; 8-a retainer ring for a shaft A; 9-a seal sleeve compression ring A; 10-sealing sleeve locking ring A; 11-sealing sleeve fixing seat B; 12-a retainer ring B for a shaft; 13-sealing sleeve compression ring B; 14-sealing sleeve locking ring B; 15-a magnet block; 16-an insulating layer; 17-a pit crossing device; 18-air volume valve; 19-a first valve gear; 20-second valve gear.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
referring to fig. 1 to 4, the pneumatic hot air nozzle for a quick-freezing hot air type snow and ice removing vehicle disclosed in this embodiment includes: the snow sweeper comprises a spray pipe 1 and a nozzle body 3, wherein the spray pipe 1 is positioned inside the nozzle body 3, threads are arranged on the outer wall of the spray pipe 3, an air supply pipe on the snow sweeper is connected through the threads, hot air passes through the interior of the spray pipe 1 and is sprayed out from the bottom of the spray pipe 1, a plurality of groups of sliding wheel sets are distributed on the spray pipe 1 in a circumferential array manner, each group of sliding wheel sets comprises at least two spray pipe sliding wheels 2 which are sequentially arranged in the vertical direction, and sliding wheel bodies of the spray pipe sliding wheels 2 are arranged on a vertical slide way inside the nozzle body 3, so that the spray pipe 1 can slide in the vertical direction; spout 1 inside nozzle inner ring 5 that still is provided with of tuber pipe, the upper surface air pressure of nozzle inner ring 5 is greater than lower surface air pressure during the spout wind, make nozzle inner ring 5 receive decurrent pressure, and then make nozzle inner ring 5 drive spout 1 downstream of tuber pipe and hug closely the road surface, the bottom of spout 1 of tuber pipe is provided with grounding wheel 6, grounding wheel 6 hugs closely the road surface, when meetting the ice bag, the grounding wheel rolls the ice bag, drive spout 1 upward movement of tuber pipe, and then cross the ice bag, 1 upper end of spout tuber pipe is provided with two sets of air volume control device of mutual disposition, every air volume control device of group includes: an air quantity valve 18, a first valve gear 19 and a second valve gear 20, the air quantity valve 18 is horizontally arranged on a slideway on the air spraying pipe 1,
the upper surface of the nozzle body is connected with a first valve gear 19 through a rack, the first valve gear 19 is meshed with a second valve gear 20, the second valve gear 20 is meshed with a rack vertically arranged on the nozzle body 3, the first valve gear 19 and the second valve gear 20 are connected with a valve connecting frame through bearings, and the valve connecting frame is connected with the air spraying pipe 1. Second valve gear 20 highly is higher than first valve gear 19, avoids first valve gear 19 and amount of wind valve 18 to bump mutually, when meetting the ice bag, ground wheel 6 drives the upward movement of air spout pipe 1, and left second valve gear 20 anticlockwise rotation drives first valve gear 19 clockwise rotation this moment, and first valve gear 19 drives amount of wind valve 18 through the rack of amount of wind valve 18 upper surface and moves left, and then opens amount of wind valve 18, increases the air supply and clears away the ice bag.
Specifically, a sealing sleeve 4 is arranged between the bottom of the nozzle body 3 and the air injection pipe 1 to prevent gas leakage.
Specifically, the seal cartridge 4 is connected to the nozzle body 3 by a body seal device, which includes: seal cover fixing seat A7, seal cover clamp ring A9, seal cover locking ring A10, seal cover fixing seat A7 fixed mounting is on nozzle body 3, its inside has an annular groove, be provided with seal cover clamp ring A9 in the annular groove, seal cover 4 is placed between seal cover clamp ring A9 and the annular groove inner wall of seal cover fixing seat A7, seal cover clamp ring A9 is provided with annular protrusion on its outer wall and is used for increasing frictional force, its bottom and seal cover locking ring A10 face contact, this contact surface is the conical surface coaxial with seal cover clamp ring A9 and seal cover clamp ring A10 and low inside height outside, seal cover locking ring A10 and valve seat body 3 threaded connection, compress tightly seal cover clamp ring A9 through screwing seal cover clamp ring A10, seal cover clamp ring A9 and seal cover fixing seat A7 are fixed.
Specifically, still be provided with solid fixed ring A groove on the seal cover clamp ring A9 outer wall, gu fixed ring A inslot is provided with for the shaft retaining ring A8, and seal cover 4 is arranged in between for the shaft retaining ring A8 and the solid fixed ring A groove, further fixes seal cover 4.
Specifically, seal cartridge clamp ring a9 includes: left seal cover clamp ring A and right seal cover clamp ring A, left seal cover clamp ring A is connected with right seal cover clamp ring A through the magnet piece 15 that sets up on the outer wall, and left seal cover clamp ring A and the detached setting of right seal cover clamp ring A make left seal cover clamp ring A and right seal cover clamp ring A can have certain horizontal displacement when seal cover locking ring A10 compresses tightly.
Specifically, seal cover 4 is connected through spout tuber pipe sealing device between 1 with spouting the tuber pipe, spouts tuber pipe sealing device and includes: seal cover fixing base B11, seal cover clamp ring B13, seal cover locking ring B14, seal cover fixing base B11 fixed mounting is on the outer wall of blowout pipe 1, its lower extreme has the conical surface coaxial and high-inside-low outside with blowout pipe 1, seal cover clamp ring B13 upper end has the conical surface with seal cover fixing base B11 matched with, and annular protrusion has on this conical surface, seal cover 4 is arranged in between seal cover fixing base B11 and seal cover clamp ring B13, seal cover clamp ring B13 lower extreme and seal cover locking ring B14 face contact, seal cover locking ring B14 passes through threaded connection with blowout pipe 1, seal cover locking ring B14 of screwing promotes seal cover clamp ring B13 and then compresses tightly fixedly to seal cover 4.
Specifically, the air injection pipe 1 is further provided with a fixing ring B groove, a shaft retainer ring B12 is arranged in the fixing ring B groove, and the sealing sleeve 4 is arranged between the shaft retainer ring B12 and the fixing ring B groove and further fixed to the sealing sleeve 4.
Specifically, the outer wall of the nozzle body 3 is further provided with a heat preservation layer for preserving heat of the nozzle body 3.
Specifically, the bottom of the air spraying pipe 1 is further provided with a pit crossing device 17, the pit crossing device 17 comprises two guide wheels which are obliquely arranged, a connecting line of the two guide wheels is tangent to the grounding wheel 6, so that the ice pack moves along the tangent line relative to the nozzle, the ground clearance of the guide wheels below the pit crossing device 17 is smaller than the radius of the grounding wheel 6, the guide wheels are connected through a belt, and the guide wheels are connected with the air spraying pipe 1 through a connecting frame.
The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (1)
1. Towards hot-blast nozzle's of special pneumatic type of snow removing deicing vehicle blowout pipe sealing device, its characterized in that includes: the sealing sleeve fixing seat B (11), the sealing sleeve compression ring B (13) and the sealing sleeve locking ring B (14), the sealing sleeve fixing seat B (11) is fixedly arranged on the outer wall of the air spraying pipe (1), the lower end of the sealing sleeve fixing seat B (11) is provided with a conical surface which is coaxial with the air spraying pipe (1) and is high in outside and low in inside, the upper end of the sealing sleeve compression ring B (13) is provided with a conical surface matched with the sealing sleeve fixing seat B (11), an annular protrusion is arranged on the conical surface, the sealing sleeve (4) is arranged between the sealing sleeve fixing seat B (11) and the sealing sleeve compression ring B (13), the lower end of the sealing sleeve compression ring B (13) is in surface contact with the sealing sleeve locking ring B (14), and the sealing sleeve locking ring B;
the air spraying pipe (1) is also provided with a fixing ring B groove, a shaft check ring B (12) is arranged in the fixing ring B groove, and the sealing sleeve (4) is arranged between the shaft check ring B (12) and the fixing ring B groove;
the air spraying pipe sealing device facing the special pneumatic hot air nozzle for the snow-removing and ice-removing vehicle is used for the quick-freezing hot air type special pneumatic hot air nozzle for the snow-removing and ice-removing vehicle;
the special pneumatic hot air nozzle of the quick-freezing hot air type snow and ice removing vehicle comprises: the nozzle comprises a spray air pipe (1) and a nozzle main body (3), wherein the spray air pipe (1) is positioned inside the nozzle main body (3), and is characterized in that a plurality of groups of sliding wheel sets are distributed on the spray air pipe (1) in a circumferential array manner, each group of sliding wheel sets comprises at least two spray air pipe sliding wheels (2) which are sequentially arranged along the vertical direction, and sliding wheel bodies of the spray air pipe sliding wheels (2) are arranged on a vertical slide way inside the nozzle main body (3); the inner part of the air spraying pipe (1) is also provided with a nozzle inner ring (5), the bottom of the air spraying pipe (1) is provided with a grounding wheel (6), the air spraying pipe is also provided with a pit crossing device (17), the pit crossing device (17) comprises two guide wheels which are obliquely arranged, the connecting line of the two guide wheels is tangent to the grounding wheel (6), the ground clearance of the guide wheel below is smaller than the radius of the grounding wheel (6), the guide wheels are connected through a belt, and the guide wheels are connected with the air spraying pipe (1) through a connecting frame; spout tuber pipe (1) upper end and be provided with two sets of mutual disposition's amount of wind controlling means, every amount of wind controlling means of group includes: an air volume valve (18), a first valve gear (19), a second valve gear (20), air volume valve (18) level sets up on the slide on spouting tuber pipe (1), and its upper surface passes through the rack and is connected with first valve gear (19), and first valve gear (19) and second valve gear (20) meshing, the rack toothing of vertical setting on second valve gear (20) and nozzle main part (3), first valve gear (19) all are connected with the valve link through the bearing with second valve gear (20), and the valve link is connected with spouting tuber pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106047.9A CN109736247B (en) | 2017-12-31 | 2017-12-31 | Air spraying pipe sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106047.9A CN109736247B (en) | 2017-12-31 | 2017-12-31 | Air spraying pipe sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle |
| CN201711497380.4A CN107988987B (en) | 2017-12-31 | 2017-12-31 | A kind of quick-frozen hot air type clears the snow deicing vehicle special gas dynamic formula hot-blast spray nozzle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711497380.4A Division CN107988987B (en) | 2017-12-31 | 2017-12-31 | A kind of quick-frozen hot air type clears the snow deicing vehicle special gas dynamic formula hot-blast spray nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736247A CN109736247A (en) | 2019-05-10 |
| CN109736247B true CN109736247B (en) | 2020-10-20 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910106049.8A Active CN109736249B (en) | 2017-12-31 | 2017-12-31 | Pneumatic hot air nozzle with pit crossing device special for snow cleaning and deicing vehicle |
| CN201910106048.3A Active CN109736248B (en) | 2017-12-31 | 2017-12-31 | Main body sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle |
| CN201711497380.4A Active CN107988987B (en) | 2017-12-31 | 2017-12-31 | A kind of quick-frozen hot air type clears the snow deicing vehicle special gas dynamic formula hot-blast spray nozzle |
| CN201910106047.9A Active CN109736247B (en) | 2017-12-31 | 2017-12-31 | Air spraying pipe sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910106049.8A Active CN109736249B (en) | 2017-12-31 | 2017-12-31 | Pneumatic hot air nozzle with pit crossing device special for snow cleaning and deicing vehicle |
| CN201910106048.3A Active CN109736248B (en) | 2017-12-31 | 2017-12-31 | Main body sealing device for pneumatic hot air nozzle special for snow and ice removing vehicle |
| CN201711497380.4A Active CN107988987B (en) | 2017-12-31 | 2017-12-31 | A kind of quick-frozen hot air type clears the snow deicing vehicle special gas dynamic formula hot-blast spray nozzle |
Country Status (1)
| Country | Link |
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| CN (4) | CN109736249B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736249B (en) * | 2017-12-31 | 2020-12-04 | 浙江华昌纺织有限公司 | Pneumatic hot air nozzle with pit crossing device special for snow cleaning and deicing vehicle |
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2017
- 2017-12-31 CN CN201910106049.8A patent/CN109736249B/en active Active
- 2017-12-31 CN CN201910106048.3A patent/CN109736248B/en active Active
- 2017-12-31 CN CN201711497380.4A patent/CN107988987B/en active Active
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| Publication number | Publication date |
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| CN107988987B (en) | 2019-05-31 |
| CN109736248B (en) | 2020-12-18 |
| CN109736249B (en) | 2020-12-04 |
| CN109736247A (en) | 2019-05-10 |
| CN107988987A (en) | 2018-05-04 |
| CN109736248A (en) | 2019-05-10 |
| CN109736249A (en) | 2019-05-10 |
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