CN103541327B - Blowing nozzle and snow blower including blowing nozzle - Google Patents
Blowing nozzle and snow blower including blowing nozzle Download PDFInfo
- Publication number
- CN103541327B CN103541327B CN201310520321.XA CN201310520321A CN103541327B CN 103541327 B CN103541327 B CN 103541327B CN 201310520321 A CN201310520321 A CN 201310520321A CN 103541327 B CN103541327 B CN 103541327B
- Authority
- CN
- China
- Prior art keywords
- section
- rectification section
- rectification
- commutator segment
- blow gun
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention provides a blowing nozzle and a snow blower including the blowing nozzle. The blowing nozzle comprises a blowing opening section (40), wherein an air outlet of the blowing opening section (40) is downward, and a cross section of the blowing opening section (40) gradually decreases in the fluid flowing direction. By using the blowing nozzle, energy loss of high-speed jet air can be reduced, and the cleaning effect of the blowing nozzle can be improved.
Description
Technical field
The present invention relates to road surface cleaning equipment, in particular to a kind of blow gun and the snow blowing truck comprising this blow gun.
Background technology
At present, cleaning snow in winter vehicle mainly relies on snow shoveling machine.Snow shoveling machine is for removing ice and snow on road surfaces, road in the winter field maintenance special equipment of support vehicles, aircraft and pedestrains safety.Snow shoveling machine generally includes vehicle frame, chops snow part, shovels several major parts such as snow part, pulverizing part, hydraulic means and syndeton, this a few major part front and back in vehicle frame are arranged in order, wherein, the chopping shovel chopped in snow part pumps the compacting snow cut off on road surface, hydraulic means control adjustable shelf, drive shovel snow some work, the operating principle of pulverizing part avenges part basic simlarity with chopping.
Due to the aforementioned complex structure chopping sled, snow removing mode also wastes time and energy, and has therefore developed alternative snow blowing truck, and it relies on gas to spray from blow gun, thus is blown away by snow.But this snow blowing truck is at gas from the process that blow gun sprays, and the angle of divergence of high velocity air is comparatively large, causes the energy dissipation of high-speed jet air serious, reduces the blowing snow effect of snow blowing truck.
Summary of the invention
The present invention aims to provide a kind of blow gun and comprises the snow blowing truck of this blow gun, can reduce the energy dissipation of high-speed jet air, improves the cleaning effect of blow gun.
To achieve these goals, according to an aspect of the present invention, provide a kind of blow gun, comprise mouthpiece section, down, mouthpiece section diminishes gradually along the flow direction cross section of fluid in the gas outlet of mouthpiece section.
Further, blow gun also comprises: the first rectification section, carries out rectification to the air-flow entered in the first rectification section; Steady flow segment, the air inlet port of steady flow segment is connected to the gas outlet of the first rectification section, and extends, for the air-flow steadily carrying the first rectification section to come to the direction away from the first rectification section; Second rectification section, the air inlet port of the second rectification section is connected to the gas outlet of steady flow segment, carries out rectification to the gas after steady flow segment current stabilization; The air inlet port of mouthpiece section is connected to the gas outlet of the second rectification section; Further, the roof of mouthpiece section and the roof of the second rectification section tangent, the diapire of mouthpiece section and the diapire of the second rectification section tangent.
Further, the first rectification section is air inlet port uniform section curve bend upward, and the central angle of the curve bend of the first rectification section is right angle.
Further, it is 1.5 to 2.0 that ratio between the outer arc radius R1 of the curve bend of the first rectification section and depth of section a meets R1/a, wherein outer arc radius R1 is the external arc wall place radius of a circle of the curve bend of the first rectification section, and depth of section a is the distance between the Inner arc wall of the curve bend of the first rectification section and external arc wall.
Further, be provided with at least one entrance commutator segment in the first rectification section, entrance commutator segment is circular arc laminated structure, and entrance commutator segment is concentric with the external arc wall of the curve bend of the first rectification section.
Further, the second rectification section is gas outlet uniform section curve bend down, and the central angle of the curve bend of the second rectification section is 45 degree to 55 degree.
Further, it is 1.8 to 2.5 that ratio between the outer arc radius R2 of the curve bend of the second rectification section and depth of section a meets R2/a, wherein outer arc radius R2 is the external arc wall place radius of a circle of the curve bend of the second rectification section, and depth of section a is the distance between the Inner arc wall of the curve bend of the second rectification section and external arc wall.
Further, multiple outlet commutator segment is provided with in second rectification section, outlet commutator segment is circular arc laminated structure, outlet commutator segment concentric with the external arc wall of the second rectification section, multiple outlet commutator segment along the second rectification section Inner arc wall radial direction from external arc wall to the second rectification section successively interval setting.
Further, outlet commutator segment is three, it is the 4th commutator segment, the 5th commutator segment and the 6th commutator segment that three outlet commutator segments set gradually along the direction away from the center of circle of external arc wall, the Inner arc wall place radius of a circle difference of the 4th commutator segment and the second rectification section is A2, the semidiameter of the 5th commutator segment and the 4th commutator segment is B2, the semidiameter of the 6th commutator segment and the 5th commutator segment is C2, and the external arc wall place circle of the second rectification section is D2 with the semidiameter of the 6th commutator segment, and meets:
Further, the length d of mouthpiece section is the development length of mouthpiece section along fluid flow direction, outlet height c is the distance between the roof at the gas outlet place of mouthpiece section and diapire, entrance height a is the distance between the roof at the air inlet port place of mouthpiece section and diapire, and it is 1.5 to 1.8 that the ratio between the length d of mouthpiece section and entrance height a meets d/a, it is 0.5 to 0.7 that the ratio between the outlet height c of mouthpiece section and entrance height a meets c/a.
According to a further aspect in the invention, provide a kind of snow blowing truck, comprise blow gun, this blow gun is above-mentioned blow gun.
Apply technical scheme of the present invention, blow gun comprises mouthpiece section, and down, mouthpiece section diminishes gradually along the flow direction cross section of fluid in the gas outlet of mouthpiece section.The mouthpiece section of blow gun is convergent cross section pipeline section along the flow direction of fluid, the high-speed jet angle of divergence through outlet blowout can be made to reduce, ensure that the concentration of energy of high-speed jet air, reduce the energy dissipation of high-speed jet air, and then the cleaning effect that effective guarantee blow gun is good.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of blow gun according to an embodiment of the invention;
Fig. 2 shows the perspective view of blow gun according to an embodiment of the invention;
Fig. 3 shows the volume rendering structural representation of blow gun according to an embodiment of the invention;
Fig. 4 shows the structural representation of the first rectification section of blow gun according to an embodiment of the invention; And
Fig. 5 shows the structural representation of the second rectification section of blow gun according to an embodiment of the invention.
Reference numeral: 10, the first rectification section; 20, steady flow segment; 30, the second rectification section; 40, mouthpiece section; 50, entrance commutator segment; 60, commutator segment is exported; 51, the first commutator segment; 52, the second commutator segment; 53, the 3rd commutator segment; 61, the 4th commutator segment; 62, the 5th commutator segment; 63, the 6th commutator segment.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1 to Figure 3, according to embodiments of the invention, blow gun comprises the first rectification section 10, steady flow segment 20, second rectification section 30 and the mouthpiece section 40 that are communicated with successively.First rectification section 10, is connected to fan outlet pipeline, for carrying out rectification to the air-flow entered in the first rectification section 10; The air inlet port of steady flow segment 20 is connected to the gas outlet of the first rectification section 10, extend to the direction away from the first rectification section 10, the air-flow of being come by the first rectification section 10 is transported to the second rectification section 30 stably, simultaneously, the existence of steady flow segment 20 can make the mouthpiece section 40 of blow gun be positioned to a certain distance from snow blowing truck headstock, avoids in blowing snow operation process, because the mouthpiece section 40 of blow gun is from snow blowing truck headstock hypotelorism, cause the snowflake kicked up to affect the visual field of driver, bring adverse effect to driving; The air inlet port of the second rectification section 30 is connected to the gas outlet of steady flow segment 20, carries out second time rectification to the gas after steady flow segment 20 current stabilization; Mouthpiece section 40 is connected to the gas outlet of the second rectification section 30, and down, gas outlet diminishes gradually along direction (flow direction of the fluid) cross section away from the second rectification section 30 in the gas outlet of mouthpiece section 40.Be fixed together after can processing respectively between four parts of blow gun, also can be one-body molded.In the present embodiment, the cross section of four parts is rectangle.In practical operation, except mouthpiece section 40, other each several part can be made according to the facilities of reality and be increased and decreased adjustment accordingly, namely as required, in other embodiments, blow gun can only include any part in above-mentioned first rectification section 10, steady flow segment 20, second rectification section 30 or any two parts.
When clearing up accumulated snow, air-flow enters in the first rectification section 10 from fan outlet pipeline, flow in steady flow segment 20 after the first rectification section 10 carries out rectification and carry out current stabilization, air-flow after current stabilization enters in the second rectification section 30 and carries out second time rectification, then from the outlet ejection at a high speed of mouthpiece section 40, and deposite snow is cleared up.In the process of cleaning accumulated snow, when air-flow enters after in mouthpiece section 40, through the contraction of the convergent cross section pipeline section of mouthpiece section 40, the high-speed jet angle of divergence through the blowout of the gas outlet of mouthpiece section 40 is reduced, ensure that the concentration of energy of high-speed jet air, and then the blowing snow effect that effective guarantee blow gun is good.
Preferably, the roof of mouthpiece section 40 and the roof of the second rectification section 30 tangent, the diapire of mouthpiece section 40 and the diapire of the second rectification section 30 tangent.Preferably, the gas outlet of mouthpiece section 40 towards ground, and and is certain angle between ground.Tangently between mouthpiece section 40 and the second rectification section 30 to be formed by connecting, comply with the flow direction of air-flow, air-flow is made to produce the loss of very little turbulent dissipation at the link position place of mouthpiece section 40 and the second rectification section 30, therefore the injection energy of blowout air-flow can be strengthened, correspondingly, in the present embodiment, all tangently can connect between the various piece of blow gun, the blowing snow effect of blow gun can be improved.
In conjunction with shown in Figure 4, first rectification section 10 is air inlet port uniform section curve bend upward, the cross section of uniform section curve bend is rectangle, and the Inner arc wall of uniform section curve bend and external arc wall are concentric, and in the present embodiment, upward, external arc wall down for Inner arc wall in first rectification section 10.This kind of curve bend structure can ensure that air-flow enters after in the first rectification section 10 and can realize fast recovery rectifier, and can reduce energy loss when air-flow turns to.
Preferably, the central angle γ of the external arc wall place circle of the curve bend of the first rectification section 10
1for right angle, i.e. central angle γ
1=90 °.By central angle γ
1be set to 90 degree, thus by the pipeline section vertically arranged to horizontal arrangement transition, blow gun can be conducive to like this and extend along the direction away from the headstock of snow blowing truck.
Preferably, it is 1.5 to 2.0 that ratio between the outer arc radius R1 of the curve bend of the first rectification section 10 and depth of section a meets R1/a, wherein outer arc radius R1 is the external arc wall place radius of a circle of the curve bend of the first rectification section 10, and depth of section a is the distance between the Inner arc wall of the curve bend of the first rectification section 10 and external arc wall.By selecting rational depth of section a, the wind speed that blow gun can be made to blow out reaches certain numerical value, can effectively ensure blowing snow effect.
In first rectification section 10, at least one entrance commutator segment 50 can also be set, to improve the rectification effect of the air-flow entered in the first rectification section 10 further.In the present embodiment, entrance commutator segment 50 is circular arc laminated structure, and entrance commutator segment 50 is concentric with the external arc wall place circle of the curve bend of the first rectification section 10, and the vane thickness of entrance commutator segment 50 is 2 to 4mm.
Preferably, entrance commutator segment 50 is multiple, multiple entrance commutator segment 50 is along the external arc wall radially-inwardly circular arc wall interval setting successively of the first rectification section 10, interval is herein arranged can for arrange at equal intervals, also can arrange for non-uniform spacing, can obtain the set-up mode of better rectification effect according to the structure choice of the first rectification section 10.
In the present embodiment, entrance commutator segment 50 is three, it is the first commutator segment 51, second commutator segment 52 and the 3rd commutator segment 53 that three entrance commutator segments 50 set gradually along the direction (namely outside by the bend pipe center of circle of curve bend) in the center of circle away from external arc wall place circle, first commutator segment 51, second commutator segment 52 and the 3rd commutator segment 53 are concentric circles segmental arc, and the center of circle overlaps with the bend pipe center of circle of curve bend.Wherein the Inner arc wall place radius of a circle difference of the curve bend of the first commutator segment 51 and the first rectification section 10 is A1, the semidiameter of the second commutator segment 52 and the first commutator segment 51 is B1, the semidiameter of the 3rd commutator segment 53 and the second commutator segment 52 is C1, the external arc wall place circle of the curve bend of the first rectification section 10 is D1 with the semidiameter of the 3rd commutator segment 53, and meets:
The entrance commutator segment 50 of non-uniform Distribution herein, can make the Velocity Profiles of air-flow after curve bend keep evenly, also ensure that air-flow produces very little turbulent dissipation loss in this district, therefore, it is possible to ensure the blowing snow effect of blow gun.
In conjunction with shown in Figure 5, the second rectification section 30 is gas outlet uniform section curve bend down, and its cross section is rectangle, and the Inner arc wall of uniform section curve bend and external arc wall are concentric, and in an embodiment, down, external arc wall upward for the Inner arc wall in the second rectification section 30.
It is worth mentioning that, herein for convenience of description, Inner arc wall in different rectification section and external arc wall distinguish according to the extension mode of curve bend, the curve bend of the first rectification section 10 is from lower toward upwards bending gradually, then circular arc wall down thinks external arc wall, and the curve bend of the second rectification section 30 is from upper toward bending gradually downwards, then circular arc wall upward thinks external arc wall, and this is not limited to scope of the present invention.
Preferably, the central angle γ 2 of the curve bend of the second rectification section 30 is 45 degree to 55 degree.Adopt the central angle γ 2 of above-mentioned scope, what can ensure the fluid small loss in the second rectification section 30 flows to mouthpiece section 40, makes the fluid flowed out by the gas outlet of mouthpiece section 40 blow to ground along proper angle, ensures blowing snow effect.
Preferably, it is 1.8 to 2.5 that ratio between the outer arc radius R2 of the curve bend of the second rectification section 30 and depth of section a meets R2/a, wherein outer arc radius R2 is the external arc wall place radius of a circle of the curve bend of the second rectification section 30, depth of section a is the distance between the Inner arc wall of the curve bend of the second rectification section 30 and external arc wall, and it is identical with the depth of section of the curve bend of the first rectification section 10.
Outlet commutator segment 60 can also be set in second rectification section 30, to improve the rectification effect of the air-flow entered in the first rectification section 10 further.In the present embodiment, outlet commutator segment 60 is circular arc laminated structure, and outlet commutator segment 60 is concentric with the external arc wall of the second rectification section 30, and the vane thickness of outlet commutator segment 60 is 2 to 4mm.
Preferably, outlet commutator segment 60 is multiple, multiple outlet commutator segment 60 along the second rectification section 30 Inner arc wall radial direction from external arc wall to the second rectification section 30 successively interval arrange, interval is herein arranged can for arrange at equal intervals, also can arrange for non-uniform spacing, can obtain the set-up mode of better rectification effect according to the structure choice of the second rectification section 30.
In the present embodiment, outlet commutator segment 60 is three, it is the 4th commutator segment 61, the 5th commutator segment 62 and the 6th commutator segment 63 that three outlet commutator segments 60 set gradually along the direction in the center of circle of the external arc wall place circle away from the second rectification section 30,4th commutator segment 61, the 5th commutator segment 62 and the 6th commutator segment 63 are concentric circles segmental arc, and the center of circle overlaps with the bend pipe center of circle of curve bend.Wherein the Inner arc wall place radius of a circle difference of the 4th commutator segment 61 and the second rectification section 30 is A2, the semidiameter of the 5th commutator segment 62 and the 4th commutator segment 61 is B2, the semidiameter of the 6th commutator segment 63 and the 5th commutator segment 62 is C2, the external arc wall place circle of the second rectification section 30 is D2 with the semidiameter of the 6th commutator segment 63, and meets:
The outlet commutator segment 60 of non-uniform Distribution herein, the Velocity Profiles of air-flow after the curve bend of the second rectification section 30 can be made to keep evenly, also ensure that air-flow produces very little turbulent dissipation loss in this district, therefore, it is possible to ensure the blowing snow effect of blow gun further.
The entrance commutator segment 50 of non-uniform Distribution and outlet commutator segment 60 in first rectification section 10 and the second rectification section 30, improve the flow field situation in curve bend, reduce the turbulent dissipation loss of air-flow in pipe, and improve the uniformity of Velocity Profiles in blow gun, the unstability that inhibit blow gun flow-induced vibration and cause thus, and then the good blowing snow effect of effective guarantee blow gun.
In conjunction with see shown in Fig. 1 and Fig. 5, the length d of mouthpiece section 40 is the development length of mouthpiece section 40 along fluid flow direction, outlet height c is the distance between the roof at the gas outlet place of mouthpiece section 40 and diapire, entrance height a is the distance between the roof at the air inlet port place of mouthpiece section 40 and diapire, and it is identical with the depth of section of the curve bend of the first rectification section 10.It is 1.5 to 1.8 that ratio between the length d of mouthpiece section 40 and entrance height a meets d/a, and it is 0.5 to 0.7 that the ratio between the outlet height c of mouthpiece section 40 and entrance height a meets c/a.
In the present invention, make mouthpiece section 40 for tapered cross-section pipeline section, and the cross section center line of mouthpiece section 40 is straight line.Preferably, the roof of mouthpiece section 40 and diapire symmetrical along the center line of longitudinal middle section of the length direction of mouthpiece section 40.
Preferably, the roof of mouthpiece section 40 and diapire are evagination arcwall, can concentrate the energy of the high-speed jet air blown out from mouthpiece section 40 further, ensure the blowing snow effect of blow gun.
Preferably, steady flow segment 20 is uniform section straight tube, and it is 2.5 to 4 that the length b of straight tube and depth of section a meets b/a.The export department of the first rectification section 10 and the inlet portion of the second rectification section 30 are all connected with steady flow segment 20 is tangent.
During snow blowing truck blowing snow operation, air-flow through blower fan blowout to transfer to the first rectification section 10 of blow gun through export pipeline, the entrance commutator segment 50 of the first rectification section 10 non-uniform Distribution makes the Velocity Profiles of air-flow after the curve bend of the first rectification section 10 keep evenly, also ensure that air-flow produces very little turbulent dissipation loss in this district; Air-flow is through steady flow segment 20 steady flow in this straight tube steady flow segment 20, air-flow enters in the curve bend of the second rectification section 30 subsequently, the outlet commutator segment 60 of this district's non-uniform Distribution improves the air velocity inequality because curve bend may cause, the VELOCITY DISTRIBUTION of air-flow after 30 2 rectifications of the second rectification section presents good uniformity, and the turbulent dissipation loss of air-flow in this district is very little; After the second rectification section 30, air-flow enters in mouthpiece section 40, and the cross section in this district presents certain convergent along the flow direction of fluid, and the high-speed jet angle of divergence blown out through mouthpiece section 40 is reduced, ensure that the concentration of energy of high-speed jet air, and then ensure the blowing snow effect that blow gun is good.
According to embodiments of the invention, snow blowing truck comprises blow gun, and this blow gun is above-mentioned blow gun.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, the commutator segment of non-uniform Distribution is provided with in the first rectification section and the 3rd rectification section, improve the flow field situation in bend pipe, reduce the turbulent dissipation loss of air-flow in bend pipe, and improve the distributing homogeneity of blow gun air velocity, the unstability that inhibit blow gun flow-induced vibration and cause thus, and then the good blowing snow effect of effective guarantee snow blowing truck.
2, mouthpiece section is convergent cross section pipeline section, the high-speed jet angle of divergence through the blowout of mouthpiece section gas outlet is reduced, ensure that the concentration of energy of high-speed jet air, and then the blowing snow effect that effective guarantee snow blowing truck is good.
3, tangently between mouthpiece section with the second rectification section to be connected, to have complied with the flow direction of air-flow, reduce air-flow in this district, produce very little turbulent dissipation loss.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a blow gun, is characterized in that, comprises mouthpiece section (40), and down, described mouthpiece section (40) diminishes gradually along the flow direction cross section of fluid in the gas outlet of described mouthpiece section (40);
Described blow gun also comprises:
First rectification section (10), carries out rectification to the air-flow entered in described first rectification section (10);
Steady flow segment (20), the air inlet port of described steady flow segment (20) is connected to the gas outlet of described first rectification section (10), and extend, for the air-flow steadily carrying described first rectification section (10) to come to the direction away from described first rectification section (10);
Second rectification section (30), the air inlet port of described second rectification section (30) is connected to the gas outlet of described steady flow segment (20), carries out rectification to the gas after described steady flow segment (20) current stabilization;
The air inlet port of described mouthpiece section (40) is connected to the gas outlet of described second rectification section (30);
Further, the roof of described mouthpiece section (40) and the roof of described second rectification section (30) tangent, the diapire of described mouthpiece section (40) and the diapire of described second rectification section (30) tangent.
2. blow gun according to claim 1, is characterized in that, described first rectification section (10) is air inlet port uniform section curve bend upward, and the central angle of the curve bend of described first rectification section (10) is right angle.
3. blow gun according to claim 2, it is characterized in that, it is 1.5 to 2.0 that ratio between the outer arc radius R1 of the curve bend of described first rectification section (10) and depth of section a meets R1/a, wherein said outer arc radius R1 is the external arc wall place radius of a circle of the curve bend of described first rectification section (10), and described depth of section a is the distance between the Inner arc wall of the curve bend of described first rectification section (10) and external arc wall.
4. blow gun according to claim 2, it is characterized in that, at least one entrance commutator segment (50) is provided with in described first rectification section (10), described entrance commutator segment (50) is circular arc laminated structure, and described entrance commutator segment (50) is concentric with the external arc wall of the curve bend of described first rectification section (10).
5. blow gun according to any one of claim 1 to 4, it is characterized in that, described second rectification section (30) is gas outlet uniform section curve bend down, and the central angle of the curve bend of described second rectification section (30) is 45 degree to 55 degree;
The wrap direction of described first rectification section (10) and described second rectification section (30) is contrary, and the Way out of described first rectification section (10) and described second rectification section (30) is contrary.
6. blow gun according to claim 5, it is characterized in that, it is 1.8 to 2.5 that ratio between the outer arc radius R2 of the curve bend of described second rectification section (30) and depth of section a meets R2/a, wherein said outer arc radius R2 is the external arc wall place radius of a circle of the curve bend of described second rectification section (30), and described depth of section a is the distance between the Inner arc wall of the curve bend of described second rectification section (30) and external arc wall.
7. blow gun according to claim 5, it is characterized in that, multiple outlet commutator segment (60) is provided with in described second rectification section (30), described outlet commutator segment (60) is circular arc laminated structure, described outlet commutator segment (60) is concentric with the external arc wall of described second rectification section (30), described multiple outlet commutator segment (60) along described second rectification section (30) Inner arc wall radial direction from external arc wall to described second rectification section (30) successively interval arrange.
8. blow gun according to claim 7, it is characterized in that, described outlet commutator segment (60) is three, it is the 4th commutator segment (61) that described three outlets commutator segment (60) set gradually along the direction away from the center of circle of described external arc wall, 5th commutator segment (62) and the 6th commutator segment (63), described 4th commutator segment (61) is A2 with the Inner arc wall place radius of a circle difference of described second rectification section (30), described 5th commutator segment (62) is B2 with the semidiameter of described 4th commutator segment (61), described 6th commutator segment (63) is C2 with the semidiameter of described 5th commutator segment (62), the external arc wall place circle of described second rectification section (30) is D2 with the semidiameter of described 6th commutator segment (63), and meet:
9. blow gun according to any one of claim 1 to 4, it is characterized in that, the length d of described mouthpiece section (40) is the development length of described mouthpiece section (40) along fluid flow direction, outlet height c is the distance between the roof at the gas outlet place of described mouthpiece section (40) and diapire, entrance height a is the distance between the roof at the air inlet port place of described mouthpiece section (40) and diapire, and it is 1.5 to 1.8 that the ratio between the length d of described mouthpiece section (40) and entrance height a meets d/a, it is 0.5 to 0.7 that ratio between the outlet height c of described mouthpiece section (40) and entrance height a meets c/a.
10. a snow blowing truck, comprises blow gun, it is characterized in that, the blow gun of described blow gun according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520321.XA CN103541327B (en) | 2013-10-28 | 2013-10-28 | Blowing nozzle and snow blower including blowing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520321.XA CN103541327B (en) | 2013-10-28 | 2013-10-28 | Blowing nozzle and snow blower including blowing nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103541327A CN103541327A (en) | 2014-01-29 |
| CN103541327B true CN103541327B (en) | 2015-07-22 |
Family
ID=49965153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310520321.XA Active CN103541327B (en) | 2013-10-28 | 2013-10-28 | Blowing nozzle and snow blower including blowing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103541327B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568081A (en) * | 2014-12-19 | 2015-04-29 | 辽宁屹霖科技发展有限公司 | Gooseneck-type spraying nozzle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756102A (en) * | 1985-10-01 | 1988-07-12 | Chapman Larry D | Resiliently mountable support structure with wear resistant contacting surface |
| CN202164568U (en) * | 2011-07-08 | 2012-03-14 | 沈阳师范大学 | Snow sucking machine |
| CN102966066A (en) * | 2012-12-07 | 2013-03-13 | 中联重科股份有限公司 | Blowing nozzle for blowing snow and snow snowing vehicle |
| CN103046510A (en) * | 2012-12-26 | 2013-04-17 | 长沙中联重科环卫机械有限公司 | Snow blower and pneumatic conveying system thereof |
| CN202899076U (en) * | 2012-10-30 | 2013-04-24 | 孙建飞 | Snow blower |
| CN202899077U (en) * | 2012-10-30 | 2013-04-24 | 孙建飞 | Snow blower |
-
2013
- 2013-10-28 CN CN201310520321.XA patent/CN103541327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756102A (en) * | 1985-10-01 | 1988-07-12 | Chapman Larry D | Resiliently mountable support structure with wear resistant contacting surface |
| CN202164568U (en) * | 2011-07-08 | 2012-03-14 | 沈阳师范大学 | Snow sucking machine |
| CN202899076U (en) * | 2012-10-30 | 2013-04-24 | 孙建飞 | Snow blower |
| CN202899077U (en) * | 2012-10-30 | 2013-04-24 | 孙建飞 | Snow blower |
| CN102966066A (en) * | 2012-12-07 | 2013-03-13 | 中联重科股份有限公司 | Blowing nozzle for blowing snow and snow snowing vehicle |
| CN103046510A (en) * | 2012-12-26 | 2013-04-17 | 长沙中联重科环卫机械有限公司 | Snow blower and pneumatic conveying system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103541327A (en) | 2014-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104624424A (en) | Air-vapor cooling device for strip steel cooling | |
| CN103891698B (en) | Double-air-channel mist spray device for orchards | |
| CN103661946A (en) | Flow diversion anti-drifting devices for rotary-wing unmanned plane mist spraying | |
| CN206276255U (en) | A kind of miscible equipment of high efficient gas and liquid | |
| CN108800175A (en) | A kind of large size flue Three-dimensional Flow homogenization method and device | |
| CN103541327B (en) | Blowing nozzle and snow blower including blowing nozzle | |
| KR101118777B1 (en) | Spray guide device of Speed-sprayer | |
| CN207295591U (en) | Road surface sweeper | |
| CN102966065A (en) | Blowing nozzle for blowing snow and snow snowing vehicle | |
| CN202380052U (en) | Transportation spray box for strip heating | |
| CN203729243U (en) | Cleaning vehicle air vent type dust absorption disc with external spray nozzles | |
| CN102783476B (en) | Spraying machine and air supply spraying device thereof | |
| CN207484383U (en) | Device for melting snow and the snow melting vehicle using the device | |
| CN108757571B (en) | Design method of square box type bidirectional water inlet flow passage | |
| CN105177976B (en) | One kind blows line machine | |
| CN207031496U (en) | A kind of section bar quenches system | |
| CN202387628U (en) | Air-assisted air duct based on grid-form flow guiding and heating panel | |
| CN104841297B (en) | A kind of method and its flow guiding structure for producing mixing jet | |
| CN100378408C (en) | Flow spreading mechanism | |
| CN105233686A (en) | Matrix type ammonia spraying grille with mixing devices | |
| CN206623280U (en) | A kind of semi-enclosed modeling pipe forming furnace | |
| CN204080722U (en) | A kind of snow blowing truck blow gun | |
| CN104420879B (en) | A kind of tunnel forced ventilation cooling device and cool-down method | |
| CN208084937U (en) | A kind of extruder cooling device | |
| CN203729242U (en) | Air-passage dust collection disc for cleaning trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171218 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: Changsha ZOOMLION Environmental Industry Co., Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |