CN102966066A - Blowing nozzle for blowing snow and snow blowing vehicle - Google Patents
Blowing nozzle for blowing snow and snow blowing vehicle Download PDFInfo
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- CN102966066A CN102966066A CN2012105244145A CN201210524414A CN102966066A CN 102966066 A CN102966066 A CN 102966066A CN 2012105244145 A CN2012105244145 A CN 2012105244145A CN 201210524414 A CN201210524414 A CN 201210524414A CN 102966066 A CN102966066 A CN 102966066A
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Abstract
The invention discloses a blowing nozzle for blowing snow, which comprises a blowing nozzle main body (1) with an air inlet end and an air outlet end, wherein a plurality of blowing flow channels (2) extending from the air inlet end to the air outlet end are arranged in the blowing nozzle main body (1), and the cross section area of each blowing flow channel (2) is gradually reduced from the air inlet end to the air outlet end. The invention discloses a snow blowing vehicle using the blowing nozzle for blowing snow. The blowing body of the blowing nozzle for blowing snow comprises a plurality of blowing channels with gradually reduced cross sections, so that the air flow in each fluid can be accelerated under the condition of certain air pressure, the flow speed of the air flow ejected from the air outlet end is higher, the snow blowing effect is improved on the basis of simple and reasonable structure, and the snow removing capability of a snow blowing vehicle using the blowing nozzle for blowing snow is improved.
Description
Technical field
The present invention relates to the blowing snow field of components, particularly, relate to a kind of blowing snow with blow gun and use this blowing snow snow blowing truck of blow gun.
Background technology
Snow blowing truck is as main force's vehicle of the road snow removings such as avenue, speedway, in its snow removing ability, and the efficient of blowing snow and effect outbalance.In the prior art, adopt the tubulose shower nozzle as the blowing snow blow gun more, and vehicle-mounted fan is arranged as supplying wind regime.Wherein, in order to promote blowing snow efficient and effect, the modes such as increasing the blower fan wind supply quantity that adopt more.Yet this will promote the energy loss of snow blowing truck.Therefore, provide a kind of and improve the blowing snow increase the blowing snow effect by self structure and have positive meaning with blow gun, this can improve the snow removing ability of the certain snow blowing truck of power.
Summary of the invention
The purpose of this invention is to provide a kind of snow removing blow gun, this blowing snow is simple and reasonable for structure with blow gun, and can increase the blowing snow effect.
Another object of the present invention provides a kind of snow blowing truck, and this snow blowing truck uses blowing snow blow gun provided by the invention.
To achieve these goals, the invention provides a kind of blowing snow blow gun, this blowing snow comprises the mouthpiece main body with inlet end and outlet side with blow gun, wherein, be provided with many air blowing runners that extend to described outlet side from described inlet end in the described mouthpiece main body, and the cross-sectional area of every described air blowing runner diminishes gradually to described outlet side from described inlet end.
Preferably, described air blowing runner is formed by the pipeline that is arranged on described air blowing body interior, and this pipeline comprises the main blowpipe that is positioned at the center and is positioned at this main blowpipe secondary blowpipe on every side.
Preferably, the air inlet port cross-sectional area of described main blowpipe and gas outlet cross-sectional area be respectively greater than air inlet port cross-sectional area and the gas outlet cross-sectional area of described secondary blowpipe, and the gas outlet of described secondary blowpipe along circumferentially be evenly arranged in described main blowpipe gas outlet around.
Preferably, described mouthpiece main body and described air blowing runner are surrounded by curved slab, and the inlet end cross section of described mouthpiece main body and the air inlet port cross section of described air blowing runner are the square-section, and the outlet side cross section of described mouthpiece main body and the gas outlet cross section of described air blowing runner are circular cross-section.
Preferably, described secondary blowpipe be four and be arranged in described main blowpipe around, wherein, the inlet end cross section of described mouthpiece main body is the square-section, the length of this square-section is D and the wide 2d of being, the air inlet port cross section of described four secondary blowpipes is that square sectional and the length of side are d, and this square is positioned on four jiaos of described square-section, and satisfies D/d=3 ~ 4.5.
Preferably, described secondary blowpipe be four and be arranged in described main blowpipe around, wherein, the outlet side cross section of described mouthpiece main body is the first circular cross-section, the radius of this first circular cross-section is R3, the gas outlet cross section of described main blowpipe is the second circular cross-section, the radius of this second circular cross-section is R2, the gas outlet cross section of described secondary blowpipe is the 3rd circular cross-section, the radius of the 3rd circular cross-section is R1, and the center of circle of described the 3rd circular cross-section is R to the distance in the center of circle of described the second circular cross-section, and satisfies R1/R2=0.5 ~ 0.8, R3/R2=2.8 ~ 4.0, R/R2=1.8 ~ 3.5 and 2.5cm＜R＜4.5cm.
Preferably, the outlet side of described mouthpiece main body is formed with the through hole corresponding with described the second circular cross-section and described the 3rd circular cross-section by the circular slab shutoff on the described circular slab, and described the second circular cross-section and concentric setting of described the first circular cross-section.
Preferably, described blowing snow also comprises the elbow that is communicated with the inlet end of described mouthpiece main body with blow gun, and is connected with rectilinear duct between described elbow and the described mouthpiece main body, and wherein said elbow is connected with described rectilinear duct is round and smooth tangently.
Preferably, the circular arc molded line of described elbow comprises concentric interior all circular arcs and periphery circular arc, the radius of described interior all circular arcs is R4, the radius of periphery circular arc is R5, the arc chord angle of described circular arc molded line is β, the length of described rectilinear duct is L, and satisfies: L/R4=0.5 ~ 0.82,70 °＜β＜80 ° and R4/R5=0.4 ~ 0.65.
According to a further aspect in the invention, provide a kind of snow blowing truck, comprise the blowing snow blow gun, described blowing snow blow gun is blowing snow blow gun provided by the invention.
Pass through technique scheme, owing to comprise the air blowing runner that many sliver transvers sections diminish gradually in the air blowing main body of blowing snow provided by the invention with blow gun, therefore can be in the certain situation of air pressure, air-flow in the fluid is separately raised speed, so that penetrate the flow velocity of air-flow from the outlet side faster, thereby on basis simple and reasonable for structure, increased the blowing snow effect, and promoted the snow removing ability of using this blowing snow to use the snow blowing truck of blow gun.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of manual, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the blowing snow that provides of first embodiment of the invention with the perspective view of blow gun;
Fig. 2 is elbow and rectilinear duct side-looking structural representation partly in the first embodiment of the invention;
Fig. 3 is the perspective view (not being with circular slab) of mouthpiece main body in the first embodiment of the invention;
Fig. 4 is the structural representation of mouthpiece main body inlet end cross section in the first embodiment of the invention;
Fig. 5 is the structural representation of mouthpiece main body outlet side cross section in the first embodiment of the invention;
Fig. 6 is the side-looking structural representation of mouthpiece main part in the first embodiment of the invention;
Fig. 7 is the perspective view of main blowpipe in the first embodiment of the invention;
Fig. 8 be in the first embodiment of the invention main blowpipe face structural representation;
Fig. 9 is the side-looking structural representation of main blowpipe in the first embodiment of the invention;
Figure 10 is the blowing snow that provides of second embodiment of the invention with the perspective view of blow gun;
Figure 11 is the plan structure schematic diagram that blow gun is used in blowing snow in the second embodiment of the invention;
Figure 12 be in the second embodiment of the invention blowing snow with the structural representation of facing of blow gun;
Figure 13 is the sectional structure schematic diagram that blow gun is used in blowing snow in the second embodiment of the invention.
Description of reference numerals
1 mouthpiece main body, 2 air blowing runners
3 elbows, 4 rectilinear duct
11 circular slabs, 12 first dividing plates
21 main blowpipe 22 secondary blowpipes
23 bottom flow passages, 24 intermediate flow channel
25 top runners, 31 second partitions
32 gas transmission runners
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
In the present invention, do not doing in the situation of opposite explanation, the noun of locality that uses all is undefined with the state of blow gun normal operation with blowing snow provided by the invention such as " upper and lower, highly, top, the end ", namely, the outlet side of relative mouthpiece main body is positioned at the bottom be used for purging the accumulated snow on road surface, and the inlet end of elbow is positioned at top and is communicated with confession wind regimes such as convenient and blower fans.Particularly, can be with reference to Fig. 2, Figure 12 or page shown in Figure 13, these nouns of locality only are used for explanation the present invention and are not limited to the present invention.
Below in conjunction with Fig. 1 to Figure 13, introduce blowing snow provided by the invention blow gun take the blowing snow blow gun that is applied on the snow blowing truck as example, need to prove, other snow removing fields except snow blowing truck, blowing snow provided by the invention is applicable equally with blow gun, for the use in various fields not as restriction of the present invention.
As shown in figure 1 to figure 13, in technical scheme of the present invention, a kind of blowing snow blow gun provided by the invention, this blowing snow comprises the mouthpiece main body 1 with inlet end and outlet side with blow gun, in order to increase the blowing snow effect, wherein, be provided with many air blowing runners 2 that extend from inlet end to the outlet side in the mouthpiece main body 1 provided by the invention, and the cross-sectional area of every air blowing runner 2 diminishes gradually to the outlet side from inlet end.Therefore, can be in the certain situation of air pressure, the air-flow that enters air blowing main body 1 from inlet end can raise speed in the runner separately, so that penetrate the flow velocity of air-flow from the outlet side faster, thereby on basis simple and reasonable for structure, increase the blowing snow effect, and promoted the snow removing ability of using this blowing snow to use the snow blowing truck of blow gun.
Need to prove, the embodiment that can finish technique scheme has multiple, for example blow generation type, arrangement of runner etc., in order conveniently to introduce the present invention, in this introduction two kinds of preferred embodiments wherein, the main distinction of these two kinds of preferred embodiments is, air blowing runner 2 is formed by the pipeline that is arranged on air blowing main body 1 inside in the first embodiment, and further, by the supression effect of auxiliary flow institute blowing gas stream on every side, and strength of flow that sprue is blown in the middle of guaranteeing.And air blowing runner 2 has the first dividing plate 12 to separate air blowing main body 1 inner spaces and form in the second embodiment, and further, has maximum air blowing speed by the runner that bottommost is set, to blow down best accumulated snow.Introduce in detail this two kinds of embodiments below in conjunction with accompanying drawing.But these two kinds of embodiments only are used for explanation the present invention, are not limited to the present invention.
At first introduce the first embodiment provided by the invention in conjunction with Fig. 1 to Fig. 9, wherein, preferably, air blowing runner 2 is formed by the pipeline that is arranged on air blowing main body 1 inside, and wherein, the arrangement that forms the pipeline of a plurality of air blowing runners has multiple, in order to guarantee best blowing snow effect, wherein, as shown in Figure 3, comprise the main blowpipe 21 that is positioned at the center in these pipelines and be positioned at this main blowpipe 21 secondary blowpipe 22 on every side.Therefore, being positioned at the air-flow that the secondary blowpipe 22 around the main blowpipe 21 blows out not only can assist main blowpipe 21 to carry out blowing snow, importantly be, can also around the air-flow that main blowpipe 21 blows out, set up airflow barrier, and restrain the primary air that blows out from main blowpipe 21 to around diffusion, thereby the intensity that guarantees this primary air acts on the accumulated snow, thereby promotes the blowing snow effect.Therefore, preferably, the flow of the air-flow that main blowpipe 21 blows out and flow velocity are all maximum.Particularly, the air inlet port cross-sectional area of main blowpipe 21 and gas outlet cross-sectional area can be designed to respectively air inlet port cross-sectional area and gas outlet cross-sectional area greater than secondary blowpipe 22, maximum with the flow that guarantees air-flow in the main blowpipe 21, in addition, also the gas outlet of preferred secondary blowpipe 22 is along circumferentially being evenly arranged in around the gas outlet of main blowpipe 21, so that the best blowing snow operation of auxiliary main blowpipe 21 of secondary blowpipe 22.
As shown in Figure 3, as a kind of embodiment that forms the mouthpiece main body, preferably, the inlet end cross section of mouthpiece main body 1 and the air inlet port cross section of air blowing runner 2 are the square-section, and the outlet side cross section of mouthpiece main body 1 and the gas outlet cross section of air blowing runner 2 are circular cross-section, that is, mouthpiece main body 1 and air blowing runner 2 are surrounded by curved slab, so that air-flow can flow so that the mode of minimum drag is round and smooth in air blowing runner 2 inside.Wherein, it is in order fully, reasonably to share the air-flow that is fed to inlet end that inlet end and air inlet port adopt the square-section because the square-section can piece together well mutually, can so that air-flow enter in each air blowing runner 2 with the resistance of minimum; Adopting circular cross-section at blow end and inflatable mouth then is for so that the air-flow that blows out is more even, reduces air-flow to diffusion all around, guarantees speed and the intensity of air-flow.Certainly, in addition to the implementation, the mode that can also adopt other various those skilled in the art to expect, for example rhombus, ellipse, various polygons etc., the change of these shapes or replace and all should drop in protection scope of the present invention.
Particularly, as shown in Figure 4, in the first embodiment of the present invention, secondary blowpipe 22 be preferably four and be arranged in main blowpipe 21 around, that is, have 5 air blowing runners 2 and jointly finish the blowing snow operation.Do not limit for quantitative change the present invention in addition, can also adopt more or less air blowing runner 2 to finish the blowing snow operation, for this type of quantitative change, all should drop in protection scope of the present invention.Wherein, the inlet end cross section of mouthpiece main body 1 is the square-section, and the length of this square-section is D and the wide 2d of being, the air inlet port cross section of four secondary blowpipes 22 is square sectional and the length of side is d, this square is positioned on four jiaos of square-section, and satisfies D/d=3 ~ 4.5.Therefore as shown in Figure 4, the air inlet port of main blowpipe 21 is the inlet end cross-section center square-section partly for being positioned at mouthpiece main body 1 then, the wide of this square-section is 2d, long then be D-2d, therefore, shape that can be by all directions cross section reasonably is set and position are so that air-flow can enter with the resistance of minimum in each air blowing runner 2, particularly, for example in the D/d=3(minimum value) time, the length of the air inlet port square-section of main blowpipe 21 then is d, and wide be 2d, therefore compare the air inlet port square sectional that four length of sides are the secondary blowpipe 22 of d, entering the flow of air-flow of main blowpipe 21 minimum is the twice of secondary blowpipe 22, can guarantee the blowing snow effect of main blowpipe 21.
As shown in Figure 5, the outlet side cross section of mouthpiece main body 1 is the first circular cross-section, the radius of this first circular cross-section is R3, the gas outlet cross section of main blowpipe 21 is the second circular cross-section, the radius of this second circular cross-section is R2, the gas outlet cross section of secondary blowpipe 22 is the 3rd circular cross-section, the radius of the 3rd circular cross-section is R1, the center of circle of the 3rd circular cross-section is R to the distance in the center of circle of the second circular cross-section, wherein four the 3rd circular cross-sections along circumferentially be arranged in equably the second circular cross-section around, and satisfy R1/R2=0.5 ~ 0.8, R3/R2=2.8 ~ 4.0, R/R2=1.8 ~ 3.5 and 2.5cm＜R2＜4.5cm.By layout like this, can either make flow and the flow velocity of 21 blowing gas streams of winner's blowpipe maximum, and can so that secondary blowpipe 22 in auxiliary blowing snow, the air-flow that farthest limits main blowpipe 21 expands outwardly, and guarantees the snow removing effect of the primary air of main blowpipe 21.
In addition, because air blowing runner 2 has each pipeline to form, therefore preferably, the outlet side of mouthpiece main body 1 is by circular slab 11 shutoff, be formed with the through hole corresponding with the second circular cross-section and the 3rd circular cross-section on the circular slab 11, and the second circular cross-section arranges with the first circular cross-section is concentric, and namely the gas outlet of main blowpipe 21 is positioned at the center of whole mouthpiece main body 1 outlet side.Need to prove that above-mentioned each pipeline is formed by independent pipe fitting and by being welded together, thereby forms each air blowing runner 2.Wherein, except the outlet side of adopting circular slab 11 shutoff mouthpiece main bodys 1, can also adopt various materials to be filled between each pipe fitting, to form the structure of mouthpiece main body 1.In addition; mouthpiece main body 1 can also be integrally formed as hole structure; namely be integrally formed as the integral structure with above-mentioned air blowing runner 2 in whole mouthpiece body interior by techniques such as castings, the mode of texturing that can expect for various those skilled in the art all should drop in protection scope of the present invention.
In addition, in first embodiment of the invention, the length of mouthpiece main body 1 is n, and satisfies n/D=1 ~ 2, and is reasonable to guarantee the stroke of air-flow in the mouthpiece main body.In addition, in Fig. 7 to Fig. 9, shown the structural representation of main blowpipe 21 provided by the invention, wherein, the gas outlet of main blowpipe 21 arranges between two parties, and namely the projection of the second circular cross-section is positioned at the center of air inlet port as shown in Figure 8.Wherein, the length of the air inlet port square-section of main blowpipe 21 is S, and wide is 2d; The center of circle of the second circular cross-section is e to the distance on the long limit of air inlet port square-section, is d to the distance of broadside; The length of main blowpipe is h; The cone angle of main blowpipe is θ, and satisfies: e/d=0.35 ~ 0.5, s/d=0.8 ~ 1.5, h=n, 15 ° ≦ θ＜=25 °.In addition; the structure of secondary blowpipe 22 is similar to the structure of main blowpipe 21; wherein; the gas outlet of secondary blowpipe 22 not necessarily needs setting placed in the middle; can according to required size relationship make to main blowpipe 21 near or away from design, for its design, those skilled in the art can carry out various designs according to the structure of main blowpipe 21 provided by the invention; do not invent not do too much and give unnecessary details, but various designs all should drop in protection scope of the present invention.
In addition, use in the blow gun in blowing snow provided by the invention, in order conveniently to be adjusted in practical application in snow blowing truck for example, the angle on mouthpiece main body 1 and ground, preferably, blowing snow also comprises the elbow 3 that is communicated with the inlet end of mouthpiece main body 1 with blow gun, to determine the angle that object is blown in the gas outlet of mouthpiece main body 1 and ground or gas band by the angle of turn of design elbow 3.Wherein preferably, be connected with rectilinear duct 4 between elbow 3 and the mouthpiece main body 1, wherein elbow 3 and rectilinear duct 4 are round and smooth is connected tangently.Wherein, the inlet end of elbow 3 can be communicated with the confession wind regimes such as blower fan of snow removing vehicle, thereby obtains the blowing snow air-flow, and is fed to by rectilinear duct 4 and finishes the blowing snow operation in the mouthpiece main body 1.Wherein, by the transition of this rectilinear duct 4, the air-flow that turns to through elbow 3 can enter in the mouthpiece main body 1 with the zero degree angle of attack, thereby reduces the energy loss of air-flow.Wherein, mentioned " angle of attack " of the present invention is aerodynamics field noun, refer in the present invention the angle between the bearing of trend of airflow direction and air blowing runner 2, therefore " the zero degree angle of attack " is that air-flow can enter with the direction that is parallel to air blowing runner 2 in the mouthpiece main body 1, thereby avoided the loss of flowed energy, guaranteed the blowing snow effect of the blowing snow among the present invention with blow gun.
Particularly, as shown in Figure 2, elbow 3 is circular-arc, and its circular arc molded line comprises concentric interior all circular arcs and periphery circular arc, and the radius of interior all circular arcs is R4, the radius of periphery circular arc is R5, the arc chord angle of circular arc molded line is β, and the length of rectilinear duct 4 is L, and satisfies: L/R4=0.5 ~ 0.82,70 °＜β＜80 °, L/d=1.5 ~ 3.2 and R4/R5=0.4 ~ 0.65.Wherein, d can satisfy 8cm＜d＜12cm in the first embodiment of the present invention.Can make change for various those skilled in the art all should drop in protection scope of the present invention.
Above-mentionedly introduce the blowing snow blow gun that the first embodiment of providing provides, introduced the second embodiment provided by the invention below in conjunction with Figure 10 to Figure 13.In the second embodiment, three air blowing runners 2 of mouthpiece main body 1 interior existence, in addition, for air blowing runner 2 more than three or be less than three quantity and change and all should drop in the scope of the present invention.
Such as Figure 12 and shown in Figure 13, in the second embodiment provided by the invention, mouthpiece main body 1 inside is provided with a plurality of the first dividing plates 12 that extend from inlet end to the outlet side, this first dividing plate 12 is a plurality of runners 2 of independently blowing with the interior separation of mouthpiece main body 1, and the cross-sectional area of air blowing runner 2 diminishes from the inlet end to the outlet side gradually.Wherein the first dividing plate 12 can be fixed by welding in air blowing main body 1 inside, is divided into many runners with the content with air blowing main body 1.With the first embodiment in the same manner, many air blowing runners 2 can raise speed to air-flow by the cross-sectional area that diminishes gradually, thereby increase the blowing snow effect.
Wherein, preferably, a plurality of the first dividing plates 12 among the present invention are dull and stereotyped.That is, can so that air-flow after entering mouthpiece main body 1, with the mode of minimum drag by and penetrate, to guarantee the blowing snow effect.Wherein diminish gradually for the cross section of finishing the air blowing runner, wherein preferably, the outlet side cross section of mouthpiece main body 1 is the square-section, the inlet end cross section is circular cross-section, namely, mouthpiece main body 1 is surrounded by curved slab, thus can so that the cross-sectional area of air blowing runner 2 can be round and smooth diminish, reduce the energy loss of air-flow by air blowing runner 2 time.And wherein, the length of square-section is P, is Q highly, and satisfies P/Q=8 ~ 10, and therefore, the gas outlet of square-section forms long and narrow gas outlet, can so that air-flow have flow velocity faster and can cover long Snow extent.
What wherein need to stress is, in order to guarantee the best blowing snow effect of mouthpiece main body 1, preferably, the gas outlet of a plurality of air blowing runners 2 arranges along the short transverse of the outlet side cross section of mouthpiece main body 1, and it is the fastest to be positioned at the air velocity that the gas outlet of bottommost of the outlet side cross section of mouthpiece main body 1 blows out.That is, carry out main blowing snow operation by the air blowing runner 2 of bottommost as sprue, other air blowing runners are then assisted blowing snow as auxiliary flow.This is because therefore the most difficult the blowing in accumulated snow bottom have the fastest inflatable gas Flow Velocity because the air blowing runner 2 of bottommost is set, and can at first with the pine of blowing of accumulated snow bottom, then together accumulated snow is blown down with other runners, thereby so that the blowing snow effect of blow gun be best.Wherein, the embodiment that can realize this technical scheme has multiple, for example increases the air inflow of bottom blowing runner by variety of way, and promotes the speed of air-flow in this runner by appropriate design.In optimal way of the present invention, adopt the air blowing runner 2 that the bottom is set by the position that the first dividing plate 12 is set as sprue, thereby have larger air inflow and air blowing speed.
For example, in the second embodiment provided by the invention, as shown in figure 13, the first dividing plate 12 is two, and these two the first dividing plates 12 are divided into bottom flow passage 23, intermediate flow channel 24 and top runner 25 with the inside of mouthpiece main body 1, wherein, the height of the inlet end cross section of mouthpiece main body 1 is h1 ', and the height of outlet side cross section is h1, and the height of the air inlet port cross section of bottom flow passage 23 is h3 ', the height of gas outlet cross section is h3, and satisfy (h3 '/h1 ')
2H3/h1 and h1=Q, therefore, the ratio that bottom flow passage gas outlet height accounts for the outlet side overall height accounts for the ratio of inlet end overall height, i.e. explanation much smaller than the height of the air inlet port of bottom flow passage, in the suitable situation of air inflow, the air velocity that the gas outlet of bottom flow passage blows out is faster.
In addition preferably, the height of the air inlet port cross section of intermediate flow channel 24 is h2 ', the height of gas outlet cross section is h2, and satisfy h2/h3=2.0 ~ 3.8, intermediate flow channel 24, is compared in h2 '/h3 '=0.8 ~ 1.5 therefore, air-flow can be after entering each runner with suitable flow, and the air-flow in the bottom flow passage 23 can blow out with higher speed.In addition, the proportionate relationship of bottom flow passage 23 and intermediate flow channel 24 also is applicable to the proportionate relationship of bottom flow passage 23 and top runner 25.Therefore in the mouthpiece main body 1 that second embodiment of the invention provides, that bottom flow passage 23 is carried out main blowing snow operation as sprue, namely can pine be blown in the bottom of accumulated snow by bottom flow passage 23, then engage the booster action of intermediate flow channel 24 and top runner 25 and finish the blowing of accumulated snow.For above-mentioned design, those skilled in the art can also make other designs, but this design all should drop in protection scope of the present invention.
In addition, identical with the first embodiment is, extremely shown in Figure 11 such as Figure 10, the blowing snow that second embodiment of the invention provides also comprises the elbow 3 of the inlet end that is connected to mouthpiece main body 1 with blow gun, this elbow 3 and mouthpiece main body 1 are round and smooth to be connected tangently, blow the angle of object to change mouthpiece main body 1 by the arc chord angle of adjusting elbow 3 with respect to Ground-Holding, thereby obtain ready-made blowing snow effect.
Wherein differently from the first embodiment be, be provided with many second partitions 31 in the elbow 3 in the second embodiment provided by the invention, these many second partitions 31 are the gas transmission runner 32 corresponding with the air blowing runner 2 of mouthpiece main body 1 with the interior separation of elbow 3.And preferably, second partition 31 is arc, and this arc and corresponding the first dividing plate 12 circular arcs join tangently.That is, namely be separated out in the inside of elbow 3 with blow runner 2 for gas transmission runner 32, thereby so that the air-flow in each gas transmission runner 32 can enter in the mouthpiece main body 1 interior corresponding air blowing runner 2 with the zero degree angle of attack, guarantee the Minimal energy loss of air-flow.Particularly, as shown in figure 13, the circular arc molded line of elbow 3 comprises concentric interior all circular arcs and periphery circular arc, wherein, the radius of periphery circular arc is R5, and the arc chord angle of interior all circular arcs is α, the length of air blowing main body 1 is L, and satisfies α=70 ° ~ 75 ° and R5/L=0.4 ~ 0.8.Thereby so that the blowing snow that second embodiment of the invention provides is more reasonable with the blow gun structure, guarantee air-flow in the minimum drag mode by elbow 3 and mouthpiece main body 1, and blow out with Peak Flow Rate and to reach preferably blowing snow effect.
In addition, in the second embodiment of the present invention, the first baffle plate 12 and second baffle 31 all preferably pass through smooth treatment, and thickness is between 2 ~ 4mm, to reduce resistance and the impact on air-flow.
To sum up, the blowing snow blow gun that provides of first embodiment of the invention or the second embodiment no matter, all can be so that air-flow be that energy loss is low in the blow gun inside of flowing through, but can blow out with higher speed, obtain preferably blowing snow effect, so that the snow removing effect of snow blowing truck provided by the invention also is enhanced, therefore have higher practicality and promotional value.
Below describe by reference to the accompanying drawings preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. blowing snow blow gun, this blowing snow comprises the mouthpiece main body (1) with inlet end and outlet side with blow gun, it is characterized in that, be provided with many air blowing runners (2) that extend to described outlet side from described inlet end in the described mouthpiece main body (1), and the cross-sectional area of every described air blowing runner (2) diminishes gradually to described outlet side from described inlet end.
2. blowing snow blow gun according to claim 1, it is characterized in that, described air blowing runner (2) forms by being arranged on the inner pipeline of described air blowing main body (1), and this pipeline comprises the main blowpipe (21) that is positioned at the center and is positioned at this main blowpipe (21) secondary blowpipe (22) on every side.
3. snow removing blow gun according to claim 2, it is characterized in that, the air inlet port cross-sectional area of described main blowpipe (21) and gas outlet cross-sectional area be respectively greater than air inlet port cross-sectional area and the gas outlet cross-sectional area of described secondary blowpipe (22), and the gas outlet of described secondary blowpipe (22) along circumferentially be evenly arranged in described main blowpipe (21) gas outlet around.
4. blowing snow blow gun according to claim 2, it is characterized in that, described mouthpiece main body (1) and described air blowing runner (2) are surrounded by curved slab, and the air inlet port cross section of the inlet end cross section of described mouthpiece main body (1) and described air blowing runner (2) is the square-section, and the gas outlet cross section of the outlet side cross section of described mouthpiece main body (1) and described air blowing runner (2) is circular cross-section.
5. described blowing snow blow gun according to claim 4, it is characterized in that, described secondary blowpipe (22) be four and be arranged in described main blowpipe (21) around, wherein, the inlet end cross section of described mouthpiece main body (1) is the square-section, and the length of this square-section is D and the wide 2d of being, the air inlet port cross section of described four secondary blowpipes (22) is that square sectional and the length of side are d, this square is positioned on four jiaos of described square-section, and satisfies D/d=3 ~ 4.5.
6. blowing snow blow gun according to claim 4, it is characterized in that, described secondary blowpipe (22) be four and be arranged in described main blowpipe (21) around, wherein, the outlet side cross section of described mouthpiece main body (1) is the first circular cross-section, the radius of this first circular cross-section is R3, the gas outlet cross section of described main blowpipe (21) is the second circular cross-section, the radius of this second circular cross-section is R2, the gas outlet cross section of described secondary blowpipe (22) is the 3rd circular cross-section, the radius of the 3rd circular cross-section is R1, the center of circle of described the 3rd circular cross-section is R to the distance in the center of circle of described the second circular cross-section, and satisfy R1/R2=0.5 ~ 0.8, R3/R2=2.8 ~ 4.0, R/R2=1.8 ~ 3.5 and 2.5cm＜R＜4.5cm.
7. blowing snow blow gun according to claim 6, it is characterized in that, the outlet side of described mouthpiece main body (1) is by circular slab (11) shutoff, be formed with the through hole corresponding with described the second circular cross-section and described the 3rd circular cross-section on the described circular slab (11), and described the second circular cross-section and concentric setting of described the first circular cross-section.
8. blowing snow blow gun according to claim 1, it is characterized in that, described blowing snow also comprises the elbow (3) that is communicated with the inlet end of described mouthpiece main body (1) with blow gun, and be connected with rectilinear duct (4) between described elbow (3) and the described mouthpiece main body (1), wherein said elbow (3) is connected with described rectilinear duct (4) is round and smooth tangently.
9. blowing snow blow gun according to claim 8, it is characterized in that, the circular arc molded line of described elbow (3) comprises concentric interior all circular arcs and periphery circular arc, the radius of described interior all circular arcs is R4, the radius of periphery circular arc is R5, and the arc chord angle of described circular arc molded line is β, and the length of described rectilinear duct (4) is L, and satisfy: L/R4=0.5 ~ 0.82,70 °＜β＜80 ° and R4/R5=0.4 ~ 0.65.
10. a snow blowing truck comprises the blowing snow blow gun, it is characterized in that, described blowing snow blow gun is the described blowing snow blow gun of any one among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524414.5A CN102966066B (en) | 2012-12-07 | 2012-12-07 | Blowing nozzle for blowing snow and snow blowing vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524414.5A CN102966066B (en) | 2012-12-07 | 2012-12-07 | Blowing nozzle for blowing snow and snow blowing vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966066A true CN102966066A (en) | 2013-03-13 |
| CN102966066B CN102966066B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210524414.5A Active CN102966066B (en) | 2012-12-07 | 2012-12-07 | Blowing nozzle for blowing snow and snow blowing vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541327A (en) * | 2013-10-28 | 2014-01-29 | 中联重科股份有限公司 | Blowing nozzle and snow blowing vehicle comprising same |
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|---|---|---|---|---|
| SU850791A1 (en) * | 1979-10-02 | 1981-07-30 | Саратовский Объединенный Авиаотрядприволжского Управления Гражданскойавиации | Gas-jet machine for cleaning paving from ice and snow |
| DD200630A1 (en) * | 1981-08-10 | 1983-05-25 | Lothar Brunner | ALL-SIDE SWIVELING BLOWER UNIT FOR PNEUMATIC CLEANING DEVICES, ESPECIALLY FOR FAN BLADES |
| CN201857597U (en) * | 2010-09-30 | 2011-06-08 | 贵州五七0七航空发动机修理厂 | Cold-blowing snow removal truck |
| CN1584341B (en) * | 2003-08-21 | 2011-07-06 | 安德烈亚斯.斯蒂尔两合公司 | Blower |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU850791A1 (en) * | 1979-10-02 | 1981-07-30 | Саратовский Объединенный Авиаотрядприволжского Управления Гражданскойавиации | Gas-jet machine for cleaning paving from ice and snow |
| DD200630A1 (en) * | 1981-08-10 | 1983-05-25 | Lothar Brunner | ALL-SIDE SWIVELING BLOWER UNIT FOR PNEUMATIC CLEANING DEVICES, ESPECIALLY FOR FAN BLADES |
| CN1584341B (en) * | 2003-08-21 | 2011-07-06 | 安德烈亚斯.斯蒂尔两合公司 | Blower |
| CN201857597U (en) * | 2010-09-30 | 2011-06-08 | 贵州五七0七航空发动机修理厂 | Cold-blowing snow removal truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541327A (en) * | 2013-10-28 | 2014-01-29 | 中联重科股份有限公司 | Blowing nozzle and snow blowing vehicle comprising same |
| CN103541327B (en) * | 2013-10-28 | 2015-07-22 | 中联重科股份有限公司 | Blowing nozzle and snow blowing vehicle comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102966066B (en) | 2014-12-10 |
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Effective date of registration: 20170626 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |