CN202969315U - Snow blower air duct and installation structure thereof - Google Patents
Snow blower air duct and installation structure thereof Download PDFInfo
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- CN202969315U CN202969315U CN 201220711517 CN201220711517U CN202969315U CN 202969315 U CN202969315 U CN 202969315U CN 201220711517 CN201220711517 CN 201220711517 CN 201220711517 U CN201220711517 U CN 201220711517U CN 202969315 U CN202969315 U CN 202969315U
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- air channel
- air duct
- tuyere
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- blowing truck
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Abstract
The utility model discloses a snow blower air duct and an installation structure thereof. The snow blower air duct comprises a total air duct (1), a corner (3), an outer air duct (5), an inner air duct (9) and a tuyere connection air duct (10) which are sequentially connected, wherein the total air duct is connected with a fan outlet arranged on a snow blower, and one end of the inner air duct is connected into the outer duct in extensible and sleeved mode. The snow blower air duct is further provided with a coaxiality keeping mechanism used for leading the inner air duct to keep coaxial with the outer air duct when moving in the outer air duct in extensible mode. The problems of collision, clamping and the like of the inner air duct and the outer air duct caused by axial deviation apt to generate between the inner air duct and the outer air duct when the air duct moves vertically can be solved through the coaxiality keeping mechanism. The installation structure of the snow blower air duct is stable, a vertical supporting portion (22) can upwards support the total air duct located above a snow blower body, an annular hoop arranged at the end of a transverse supporting portion (21) can radially limit large transverse movement of the inner air duct and the outer air duct so as to keep stability of the snow blower body during operation.
Description
Technical field
The utility model relates to a kind of snow blowing truck, particularly, relates to a kind of snow blowing truck air channel and mounting structure thereof.
Background technology
The comprehensive snow removing vehicle of high wind cold blowing formula is the wind speed that relies on powerful duct outlet with on the various tracks of quick removing or the most obstinate accumulated snow of airfield runway and freezing.Various snow blowing truck of the prior art, some air channels are fixed, and can only carry out operation with a kind of state.Although the energy left-right rotation that has, motion amplitude is excessive, easily causes Vehicle Driving Cycle unstable.Be illustrated in figure 1 as the structural representation in a kind of snow blowing truck of the prior art and snow blowing truck air channel thereof.Wherein, the snow blowing truck air channel has comprised that total air channel 1, bracing frame 2, outer curve 3, rotating mechanism 4, outer air duct 5, lifting drive cylinder 8, interior air channel 9, tuyere connect the parts such as air channel 10, front tuyere power cylinder 11, front tuyere 12, high pressure cold wind enters outer curve 3, outer air duct 5 and interior air channel 9 from the fan outlet on snow blowing truck car body 100 by total air channel 1, tuyere through level connects air channel 10, last 12 ejections of tuyere in the past are applied on the snowfield of road surface.In operation process, when needing to adjust the height of tuyere if meet with obstruction or hole, under the effect of lifting drive cylinder 8, interior air channel 9, rotating mechanism 4, tuyere connect the parts such as air channel 10, front tuyere 12 and front tuyere power cylinder 11 and can follow the power cylinder elevating movement.In uphill process, interior air channel 9 shrinks back in outer air duct 5 gradually, and during decline, stretch out in outer air duct 5 in interior air channel 9.Under the effect of rotating mechanism 4, tuyere connects air channel 10, front tuyere 12 and front tuyere power cylinder 11 can be towards the left and right vehicle wheel sideway swivel.Front tuyere 12 is movably arranged on the front end that tuyere connects air channel 10, can adjust neatly air outlet angle under front tuyere power cylinder 11 effects.Snow blowing truck shown in Figure 1 drives the rotations such as tuyere connection air channel 10 and front tuyere 12 by rotating mechanism 4 is set, and working area is wide, but motion amplitude is little, does not affect the stability of vehicle operating.
Yet there are many deficiencies in above-mentioned snow blowing truck.In the operation process of snow blowing truck, owing to being Collapsible structure between interior air channel 9 and outer air duct 5, flexible amplitude is larger, is difficult to keep axiality between interior air channel 9 and outer air duct 5 in telescopic process, easily causes the phenomenons such as stuck.And single lifting drive cylinder 8 is arranged in a side in air channel, and active force is unbalanced, and aggravation causes the disalignment between interior air channel 9 and outer air duct 5, easily makes the local too fast wearing and tearing in position that contact.Usually it is flexible that the rotating mechanism 4 of more than 100 kilogram of weighing is followed interior air channel 9, also can increase the weight of the burden of lifting drive cylinder 8.Leak out wind speed and the air quantity of impact blowing the annular radial gap that high speed cold wind can also be between interior air channel 9 and outer air duct 5.Therefore, the design in snow blowing truck air channel should take into account the requirement of efficient and cleannes, can adjust according to different road conditions, different environment, different situations size of the height in air port, level angle, vertical angle and air outlet etc., the state in air channel has important impact to operating efficiency, working security.
The utility model content
For the defective that exists in above-mentioned prior art and deficiency, the utility model provides a kind of snow blowing truck air channel and mounting structure thereof, and the air channel installation and operation is stable, smooth and easy, satisfies the demand of blowing snow operation.
To achieve these goals, according to an aspect of the present utility model, a kind of snow blowing truck air channel is provided, this snow blowing truck air channel comprises that the total air channel, bend, outer air duct, the interior air channel that connect successively are connected the air channel with tuyere, described total air channel is connected with fan outlet on snow blowing truck, the one end telescopically in described interior air channel is socketed in described outer air duct, and wherein, this snow blowing truck air channel also comprises be used to making described interior air channel keep coaxial coaxial maintaining body during telescopic moving in described outer air duct.
Preferably, described coaxial maintaining body comprises guide rod and guide pin bushing, and described guide rod is fixedly attached on described outer air duct and is arranged in parallel with the central axis of described outer air duct, and described guide pin bushing is set in slidably on described guide rod and with described interior air channel and is connected.
Preferably, described guide rod is a plurality of, and these a plurality of guide rods are along circumferentially being evenly distributed on the outside wall surface of described outer air duct.
Preferably, this snow blowing truck air channel comprises rotating mechanism, this rotating mechanism comprises body portion and can be with respect to the rotating part of this body portion rotation, this body portion is fixedly connected on described bend, and described rotating part is arranged on described outer air duct and rotates with respect to described bend to drive this outer air duct.
Preferably, this snow blowing truck air channel comprises a plurality of lifting drive cylinders, and an end separately of these a plurality of lifting drive cylinders is fixedly attached on the outside wall surface of described outer air duct and along circumferentially being evenly arranged, and the other end is connected the air channel with described interior air channel or tuyere connected.
Preferably, this snow blowing truck air channel comprises seal, the seal around on the outside wall surface that is arranged on described interior air channel with the annular radial gap between the internal face of the outside wall surface that seals air channel in this and described outer air duct.
Preferably, above-mentioned tuyere connects the air channel level and stretches out forward, and the rear and front end that this tuyere connects the air channel is respectively equipped with front tuyere and rear tuyere.
Preferably, described front tuyere is connected socket joint between the air channel with described tuyere, be connected with tuyere at described front tuyere on the abutting end separately in air channel, this forms the arcuate shape that can mutually be slidably matched in top of abutting end separately, and the bottom-hinged of the abutting end of described front tuyere connects on the air channel in described tuyere; Wherein, described snow blowing truck air channel comprises front tuyere power cylinder, and the two ends of described front tuyere power cylinder are connected to described front tuyere and are connected with tuyere on the air channel to promote described front tuyere around the bottom-hinged point pivotable of the abutting end of this front tuyere.
Preferably, the front end face of described front tuyere is provided with air door, and an end of this air door is hinged on described front tuyere the part with the front end face of opening pivotly or block described front tuyere.
Preferably, this snow blowing truck air channel comprises the air door power cylinder, this air door power cylinder be fixedly mounted on described front tuyere and the hinged described air door of the piston rod of described air door power cylinder to promote this air door pivotable.
According on the other hand of the present utility model, the mounting structure in a kind of snow blowing truck air channel also is provided, this mounting structure comprises snow blowing truck car body and the snow blowing truck air channel above-mentioned according to the utility model, be extended with bracing frame on described snow blowing truck car body, this bracing frame comprises transverse support portion and vertical supporting section, this vertical supporting section upwards supports the described total air channel that is positioned at described snow blowing truck car body top, the end of described transverse support portion forms hoop, and this hoop is sleeved on the outside wall surface in described outer air duct or interior air channel.
according to snow blowing truck of the present utility model air channel and mounting structure thereof, by being provided for making interior air channel to keep coaxial coaxial maintaining body during telescopic moving in outer air duct, can solving the air channel and easily produce axial deviation between inside and outside air channel when moving up and down and then cause collision, stuck etc. situation.Duct installing structure is stable, and vertical supporting section can upwards support the total air channel that is positioned at snow blowing truck car body top, and the hoop of transverse support portion end can radially limit horizontal the moving by a relatively large margin of interior outer air duct, the car body stability when keeping operation.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of manual, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation in a kind of snow blowing truck of the prior art and snow blowing truck air channel thereof;
Fig. 2 is according to a kind of snow blowing truck air channel of preferred embodiment of the present utility model and the front view of mounting structure thereof;
Fig. 3 is snow blowing truck air channel shown in Figure 2 and the lateral view of mounting structure thereof;
Fig. 4 is the enlarged diagram of the C part in Fig. 2, clearly show that the structure of front tuyere part.
Description of reference numerals
1 total air channel 2 bracing frames
3 bend 4 rotating mechanisms
5 outer air duct 6 seals
7 guide rod 8 lifting drive cylinders
9 interior air channel 10 tuyeres connect the air channel
The 11 front tuyeres of front tuyere power cylinder 12
13 air door power cylinder 14 air doors
15 rear tuyere 7 ' guide pin bushings
21 transverse support portion 22 vertical supporting sections
100 snow blowing truck car bodies
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for vertically, each parts mutual alignment relationship description word on vertical or gravity direction.Normally for each parts mutual alignment relationship description word of the travel direction of vehicle, namely the headstock direction is " front " to the noun of locality as " forward and backward ", and tailstock direction is " afterwards ".
As extremely shown in Figure 4 in Fig. 2, the utility model provides a kind of snow blowing truck air channel, this snow blowing truck air channel comprises that the total air channel 1, bend 3, outer air duct 5, the interior air channel 9 that connect successively are connected air channel 10 with tuyere, total air channel 1 is connected with fan outlet on snow blowing truck, the one end telescopically in interior air channel 9 is socketed in outer air duct 5, and high pressure cold wind outwards flows out from total air channel 1.In addition, also be provided for making interior air channel 9 to keep coaxial coaxial maintaining body when outer air duct 5 interior telescopic moving on this snow blowing truck air channel.The utility model is intended to provide described coaxial maintaining body, easily produces axial deviation between inside and outside air channel to solve the air channel when moving up and down, and then causes friction, collision and the situation such as stuck.Herein, those skilled in the art will be understood that, coaxial maintaining body can have the various structures form, can be for example following with the guide rod guide pin bushing member of setting forth, can also be to be enclosed within flange ring elastic component on the outside wall surface in interior air channel 9 etc. such as edge, other form of structure exemplifies no longer one by one at this.
In present embodiment, described coaxial maintaining body is designed to comprise guide rod 7 and guide pin bushing 7 ', and guide rod 7 is fixedly attached on outer air duct 5 and be arranged in parallel with the central axis of outer air duct 5, and guide pin bushing 7 ' is set in slidably on guide rod 7 and with interior air channel 9 and is connected.Like this, interior air channel 9 can move up and down along guide rod 7 vertically by the guide pin bushing 7 ' that is connected, thereby keeps coaxial with outer air duct 5 by guide rod 7 in moving up and down process.Guide rod 7 can be arranged in outer air duct 5 coaxially, also can be arranged on the outside wall surface of outer air duct 5 as shown in Figure 2.As shown in Figure 2, when guide rod 7 was arranged on the outside wall surface of outer air duct 5, for constitutional balance, guide rod 7 was preferably a plurality of, and these a plurality of guide rods 7 are along circumferentially being evenly distributed on the outside wall surface of outer air duct 5.Circumferential equally distributed a plurality of guide rods 7, not only arrangement is reasonable, when the following installation rotating mechanism 4 on outer air duct 5 that will set forth, is more convenient for transmitting revolving force, stress equalization.As previously mentioned, rotating mechanism 4 in Fig. 1 is arranged on interior air channel 9 and connects air channel 10 rotations such as parts such as grade with the tuyere that drives the below, but rotating mechanism 4 weight are large, the air channel move up and down process in need to move up and down in company with interior air channel 9, thereby increased load for lifting drive cylinder 8.Based on this, referring to Fig. 2, carry on the installation site of the rotating mechanism 4 in present embodiment.This rotating mechanism 4 comprises body portion (invisible in Fig. 2) and can be with respect to the rotating part (being the outer ring part shown in Fig. 2 or Fig. 3) of this body portion rotation, this body portion is fixedly connected on bend 3, and rotating part is arranged on outer air duct 5 parts such as being connected air channel 10 with the interior air channel 9 that drives this outer air duct 5 and outer air duct 5 belows with tuyere with respect to bend 3 rotations.Wherein, transmit revolving force by a plurality of guide rods 7 between outer air duct 5 and interior air channel 9.Rotating mechanism 4 moves up and down thereby no longer follow interior air channel 9 due to the top that is arranged on outer air duct 5, has alleviated the load of lifting drive cylinder 8, makes more light and flexible of elevating movement.Due to flexible operation, stable, when air channel rotation and lifting, all less on the impact of Vehicle Driving Cycle.
In addition, also be provided with a plurality of lifting drive cylinders 8 on snow blowing truck air channel in present embodiment, to substitute single lifting drive cylinder 8 shown in Figure 1, an end separately of these a plurality of lifting drive cylinders 8 is fixedly attached on the outside wall surface of outer air duct 5 and along circumferentially being evenly arranged, the other end is connected air channel 10 with interior air channel 9 or tuyere connected.As shown in Figure 3, two power cylinders 9 be set like this and be arranged symmetrically in the both sides, air channel, can effectively solve the unbalance loading and the disalignment problem that cause because single lifting drive cylinder 8 is set, the active force that moves up and down is balance more, and is more steady during operation.
The problem of revealing in order to solve aforesaid high pressure cold wind, improve wind-force and efficient, also be provided with seal 6 on snow blowing truck air channel in present embodiment, the seal 6 around on the outside wall surface that is arranged on interior air channel 9 with the annular radial gap between the internal face of the outside wall surface that seals air channel 9 in this and outer air duct 5.Seal 6 can be the common annular seals such as elastic seal ring, should can shutoff gap between inside and outside air channel, solve the problem that cold wind leaks, can not affect very much again the telescopic moving between inside and outside air channel.
In addition, in the snow blowing truck of prior art shown in Figure 1, due to tuyere 12 before the front end that tuyere that level is stretched out forward connects air channel 10 is provided with only, front tuyere 12 can be along the blowing snow of left and right vehicle wheel direction reciprocally swinging under the drive of rotating mechanism 4.But the area that sweeps away snow of front tuyere 12 is limited, and the high pressure cold wind of front tuyere 12 ejection blows part accumulated snow toward the rear portion with being difficult to avoid and pile up, and these blow forward that the accumulated snow at tuyere 12 rears is rolled by wheel easily, and when carrying out blowing snow for the second time after compacting, difficulty is larger.For this reason, be provided with especially rear tuyere 15 as shown in Figure 2 in present embodiment, i.e. tuyere 12 and rear tuyere 15 before the rear and front end that tuyere connects air channel 10 arranges respectively.Rear tuyere 15 can clean the snow that front tuyere 12 blows out backward again, has increased the purging area.The height of forward and backward tuyere is consistent, and the direction of purging is identical, makes cleaning cleaner, avoids wheel to grind snow, can improve greatly operating efficiency.
In addition, for increasing the operating flexibility of tuyere, be convenient to adjust angle, wind speed and air outlet size etc.Referring to Fig. 4, showed a kind of syndeton of front tuyere 12 in present embodiment in the mode that exemplifies, can reach above purpose.Particularly, front tuyere 12 is connected socket joint between air channel 10 with tuyere, showed in Fig. 4 that tuyere connects air channel 10 and is set in front tuyere 12 as inner tube, but opposite setting also can.Be connected with tuyere at front tuyere 12 on the abutting end separately in air channel 10, this forms the arcuate shape that can mutually be slidably matched in top of abutting end separately, and the bottom-hinged of the abutting end of front tuyere 12 connects in tuyere on the bottom of outer wall in air channel 10.Wherein, snow blowing truck also is provided with front tuyere power cylinder 11 on the air channel, and the two ends of front tuyere power cylinder 11 are connected to front tuyere 12 and are connected with tuyere on air channel 10 to promote front tuyere 12 around the bottom-hinged point pivotable of the abutting end of this front tuyere 12.As shown in Figure 4, the air outlet of current tuyere 12 (front end face of tuyere 12 namely) is in the time of need to adjusting upward, the piston rod retraction that can handle front tuyere power cylinder 11 get final product, pulls the more close tuyere connection of front tuyere 12 air channel 10 this moment, the area change of the arc surface intersection between both.When needing to adjust downwards, the piston rod of front tuyere power cylinder 11 stretches out and gets final product.Flexible and convenient operation increases operation effectiveness and practicality.
And, also being provided preferably with air door 14 on the front end face of front tuyere 12, this air door 14 can adopt plate, and the one end is hinged on front tuyere 12 part with the front end face of opening pivotly or block front tuyere 12.It is the cross-sectional area of the air outlet of tuyere 12 before capable of regulating, by changing the air outlet area to adjust the air-out wind speed at place, air port, make the air-out state flexible and changeable, can adjust air door 14 according to situations such as different Snow Thickness, component working states, thereby change the air outlet wind speed, sweep dynamics to obtain corresponding wind speed punching.Further, air door power cylinder 13 also can be set with air damper 14, this air door power cylinder 13 be fixedly mounted on front tuyere 12 and the hinged air door 14 of the piston rod of air door power cylinder 13 to promote this air door 14 pivotables, as shown in Figure 4.
When the snow blowing truck air channel with said structure is installed on snow blowing truck, as shown in Figure 1, usually support by bracing frame 2 pairs of air channels in prior art, bracing frame 2 is held on the outside wall surface in interior air channel 9, lacks support and the support that is connected the structure (being tuyere connection air channel 10, front tuyere 12 and the front tuyere power cylinder 11 etc. in Fig. 1) that rotates to total air channel 1.For this reason, also provide the mounting structure in a kind of snow blowing truck air channel in the utility model, as Fig. 2 or shown in Figure 3.This mounting structure comprises snow blowing truck car body 100 and the snow blowing truck air channel above-mentioned according to the utility model, be extended with bracing frame 2 on snow blowing truck car body 100, this bracing frame 2 comprises transverse support portion 21 and vertical supporting section 22, this vertical supporting section 22 upwards supports the total air channel 1 that is positioned at snow blowing truck car body 100 tops, so that vertical supporting is more firm firm.The end of transverse support portion 21 forms hoop, and this hoop is sleeved on the outside wall surface in outer air duct 5 or interior air channel 9.As shown in Figure 3, hoop can be comprised of two semi-rings, the diameter of adjustable ring hoop, thus make the outer air duct 5 or the interior air channel 9 that participate in rotation obtain the transverse shifting amount of certain surplus, but be unlikely to mobile excessive, and cause structure unstable, affect vehicle operating.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
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 utility model is to the explanation no longer separately of various possible combinations.
In addition, also can carry out any combination between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1. snow blowing truck air channel, this snow blowing truck air channel comprises that the total air channel (1), bend (3), outer air duct (5), interior air channel (9) that connect successively are connected air channel (10) with tuyere, described total air channel (1) is connected with fan outlet on snow blowing truck, the one end telescopically in described interior air channel (9) is socketed in described outer air duct (5), it is characterized in that, this snow blowing truck air channel also comprises be used to making described interior air channel (9) keep coaxial coaxial maintaining body during telescopic moving in described outer air duct (5).
2. snow blowing truck according to claim 1 air channel, it is characterized in that, described coaxial maintaining body comprises guide rod (7) and guide pin bushing (7 '), it is upper and be arranged in parallel with the central axis of described outer air duct (5) that described guide rod (7) is fixedly attached to described outer air duct (5), and it is upper and be connected with described interior air channel (9) that described guide pin bushing (7 ') is set in described guide rod (7) slidably.
3. snow blowing truck according to claim 2 air channel, is characterized in that, described guide rod (7) is a plurality of, and these a plurality of guide rods (7) are along circumferentially being evenly distributed on the outside wall surface of described outer air duct (5).
4. snow blowing truck according to claim 2 air channel, it is characterized in that, this snow blowing truck air channel comprises rotating mechanism (4), this rotating mechanism (4) comprises body portion and can be with respect to the rotating part of this body portion rotation, this body portion is fixedly connected on described bend (3), and described rotating part is arranged on described outer air duct (5) and upward rotates with respect to described bend (3) to drive this outer air duct (5).
5. snow blowing truck according to claim 1 air channel, it is characterized in that, this snow blowing truck air channel comprises a plurality of lifting drive cylinders (8), an end separately of these a plurality of lifting drive cylinders (8) is fixedly attached on the outside wall surface of described outer air duct (5) and along circumferentially being evenly arranged, the other end is connected air channel (10) with described interior air channel (9) or tuyere connected.
6. snow blowing truck according to claim 1 air channel, it is characterized in that, this snow blowing truck air channel comprises seal (6), the seal (6) around on the outside wall surface that is arranged on described interior air channel (9) with sealing should in annular radial gap between the internal face of the outside wall surface in air channel (9) and described outer air duct (5).
7. according to the described snow blowing truck of any one air channel in the claims 1-6, it is characterized in that, described tuyere connects air channel (10) level and stretches out forward, and the rear and front end that this tuyere connects air channel (10) is respectively equipped with front tuyere (12) and rear tuyere (15).
8. snow blowing truck according to claim 7 air channel, it is characterized in that, described front tuyere (12) is connected socket joint between air channel (10) with described tuyere, be connected with tuyere at described front tuyere (12) on the abutting end separately in air channel (10), this forms the arcuate shape that can mutually be slidably matched in top of abutting end separately, and the bottom-hinged of the abutting end of described front tuyere (12) connects on air channel (10) in described tuyere; Wherein, described snow blowing truck air channel comprises front tuyere power cylinder (11), and the two ends of described front tuyere power cylinder (11) are connected to described front tuyere (12) and are connected air channel (10) with tuyere upward to promote described front tuyere (12) around the bottom-hinged point pivotable of the abutting end of this front tuyere (12).
9. snow blowing truck according to claim 7 air channel, it is characterized in that, the front end face of described front tuyere (12) is provided with air door (14), and an end of this air door (14) is hinged on the upper part with the front end face of opening pivotly or block described front tuyere (12) of described front tuyere (12).
10. snow blowing truck according to claim 9 air channel, it is characterized in that, this snow blowing truck air channel comprises air door power cylinder (13), and this air door power cylinder (13) is fixedly mounted on the hinged described air door of piston rod (14) of the upper and described air door power cylinder (13) of described front tuyere (12) to promote this air door (14) pivotable.
11. the mounting structure in snow blowing truck air channel, it is characterized in that, this mounting structure comprises snow blowing truck car body (100) and according to the described snow blowing truck of any one air channel in the claims 1-10, be extended with bracing frame (2) on described snow blowing truck car body (100), this bracing frame (2) comprises transverse support portion (21) and vertical supporting section (22), this vertical supporting section (22) upwards supports the described total air channel (1) that is positioned at described snow blowing truck car body (100) top, the end of described transverse support portion (21) forms hoop, this hoop is sleeved on the outside wall surface of described outer air duct (5) or interior air channel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711517 CN202969315U (en) | 2012-12-20 | 2012-12-20 | Snow blower air duct and installation structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711517 CN202969315U (en) | 2012-12-20 | 2012-12-20 | Snow blower air duct and installation structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202969315U true CN202969315U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711517 Expired - Lifetime CN202969315U (en) | 2012-12-20 | 2012-12-20 | Snow blower air duct and installation structure thereof |
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| CN (1) | CN202969315U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306232A (en) * | 2013-06-06 | 2013-09-18 | 长安大学 | Snow sweeper cold air blowing automatic control device and method based on pressure feedback |
| CN103866731A (en) * | 2014-03-05 | 2014-06-18 | 长沙中联重科环卫机械有限公司 | System, method and device for controlling rotating angle of blowing arm of snow blowing vehicle and snow blowing vehicle |
| CN104832204A (en) * | 2015-05-20 | 2015-08-12 | 青岛海丰达机电设备有限公司 | Sliding-opening type annular air door |
| CN106400724A (en) * | 2016-10-13 | 2017-02-15 | 威海广泰空港设备股份有限公司 | Strong blowing type airport snow sweeper |
| CN107419694A (en) * | 2017-09-18 | 2017-12-01 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Snow sweeper blowing snow system |
| CN113565058A (en) * | 2021-08-02 | 2021-10-29 | 无锡友鹏航空装备科技有限公司 | Snow blowing vehicle nozzle system with automatic adjusting function |
-
2012
- 2012-12-20 CN CN 201220711517 patent/CN202969315U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306232A (en) * | 2013-06-06 | 2013-09-18 | 长安大学 | Snow sweeper cold air blowing automatic control device and method based on pressure feedback |
| CN103866731A (en) * | 2014-03-05 | 2014-06-18 | 长沙中联重科环卫机械有限公司 | System, method and device for controlling rotating angle of blowing arm of snow blowing vehicle and snow blowing vehicle |
| CN103866731B (en) * | 2014-03-05 | 2015-12-09 | 长沙中联重科环卫机械有限公司 | Snow blowing truck blows the control system of the arm anglec of rotation, method, device and snow blowing truck |
| CN104832204A (en) * | 2015-05-20 | 2015-08-12 | 青岛海丰达机电设备有限公司 | Sliding-opening type annular air door |
| CN106400724A (en) * | 2016-10-13 | 2017-02-15 | 威海广泰空港设备股份有限公司 | Strong blowing type airport snow sweeper |
| CN107419694A (en) * | 2017-09-18 | 2017-12-01 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Snow sweeper blowing snow system |
| CN113565058A (en) * | 2021-08-02 | 2021-10-29 | 无锡友鹏航空装备科技有限公司 | Snow blowing vehicle nozzle system with automatic adjusting function |
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Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410013 Changsha province high tech Development Zone, No. 307 South Road, silver basin Patentee before: Changsha Zoomlion Environmental Industry Co.,Ltd. |
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Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |