CN204895114U - Engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle - Google Patents
Engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle Download PDFInfo
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- CN204895114U CN204895114U CN201520402007.6U CN201520402007U CN204895114U CN 204895114 U CN204895114 U CN 204895114U CN 201520402007 U CN201520402007 U CN 201520402007U CN 204895114 U CN204895114 U CN 204895114U
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Abstract
The utility model relates to an engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle, wherein engineering vehicle's piggyback pod wind channel structure includes the air intake that sets up on the piggyback pod, the air outlet and be located the air intake and the air outlet between the wind channel, the wind channel is equipped with at least one basic confined cavity, the drill way has been offered to at least one side of cavity, it comes from the inside produced noise of related parts of piggyback pod to make the cavity to absorb, can block that the air current in the wind channel gets into the cavity and have at least one side in drill way. The utility model discloses a set up the cavity of offering the drill way in the wind channel, can absorb and come from the inside produced noise of related parts of piggyback pod effectively reduces the outer noise of machine of piggyback pod, in addition, offer the side in drill way, can prevent the production of the inside vortex of piggyback pod, reduce the windage in air flow field in the wind channel, optimize the air flow field inside the piggyback pod.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of piggyback pod air channel structure of engineering truck, piggyback pod and engineering truck.
Background technology
Economic development and environment protection has become the important topic in global range, and countries in the world are formulated one after another and regulation of enacting a law comes protection of the environment, pollution administration.Noise is the third-largest source of pollution being only second to water and air pollution, and in various noise emission, construction noise pollution is in first place, and construction noise pollution uses construction machinery and equipment in a large number and produces.Carrying out vibration and noise reducing research to construction machinery product is the important step advocated environmental protection, build a harmonious society.And Foreign Engineering Machinery enterprise continues in-depth study to vibration noise, lead the development of this art, constantly released the high-quality product of low noise, constantly promoted government and promulgate that new legislation is to improve market access threshold, establishing techniques and market barrier.In the face of more and more fierce market competition, China's construction machinery and equipment only has and constantly carries out technology innovation, improves China's construction machinery and equipment noise reduction technology level, could account for obtain advantage in international competition.
Cooling fan is originated as the overriding noise of construction machinery and equipment, even maximum noise source, it is one of main bugbear of construction machinery and equipment Noise measarement, due to the reason such as cost, technology, almost technological limit is reached to the Optimized Matching of fan itself, then it is very difficult to carry out the Research of Noise Reduction of fan own, and scientific research cost is very high, therefore, while improvement is optimized to cooling fan itself, noise-reducing design is carried out to fan air channel structure and becomes more directly effective noise control method.
The piggyback pod air channel structure of prior art is as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, it mainly comprises car bonnet 101 and piggyback pod inner structure, car bonnet 101 mainly comprises side door 102, both sides ventilation inlet 103, upper end ventilation inlet 104, rear end air outlet 105 and thermovent 106, piggyback pod inner structure comprises driving engine 107, noise silencer 108, cooling fan 109, wind scooper 110, radiator 111 and vehicle frame 112, wherein car bonnet 101 is arranged on vehicle frame 112, thermovent 106 is punch structure, be positioned at car bonnet 101 top, the upper end of driving engine 107, both sides ventilation inlet 103 on car bonnet 101 and upper end ventilation inlet 104 are similarly punch structure, form the ventilation inlet of cooling fan, rear end air outlet 105 is punch structure, be positioned at car bonnet 101 rear portion.Air enters piggyback pod from the both sides ventilation inlet 103 piggyback pod lower ending opening, car bonnet 101 and upper end ventilation inlet 104, then sucks cooling fan 109, by the drainage of wind scooper 110, through radiator 111, finally discharges from rear end air outlet 105.
Although prior art can realize the effect of diversion air very well, but piggyback pod Duct design is too simple, noise directly radiates by ventilation inlet and air outlet, inner sound absorption materials can not play optimum efficiency, inside lacks actv. noise elimination structure, make the sound insulation and noise reducing weak effect of car bonnet, drainage measure is not designed in piggyback pod inside, inside easily forms eddy current, thus increase windage, and the hot air near driving engine can be sucked radiator by fan, reduce the radiating effect of cooling system.
Utility model content
The utility model provides a kind of piggyback pod air channel structure of engineering truck, piggyback pod and engineering truck, effectively can reduce the outside engine noise of engineering truck.
For achieving the above object, the utility model provides a kind of piggyback pod air channel structure of engineering truck, comprise the ventilation inlet be arranged on piggyback pod, air outlet and the air channel between described ventilation inlet and described air outlet, described air channel is provided with the chamber of at least one base closed, at least one side opening of described chamber is provided with aperture, the noise making described chamber can absorb the associated components from described piggyback pod inside to produce, and flow to into described chamber with the air that at least one side described in described aperture can stop in described air channel.
Further, described chamber comprises the first chamber, and described first chamber is arranged at the bottom of described piggyback pod.
Further, be provided with the air cooling equipment for generation of air stream in described air channel, the lower end of described air cooling equipment is provided with described first chamber, between described first chamber and described air cooling equipment, be provided with the first perforated plate.
Further, described chamber comprises the second chamber, and described second chamber is adjacent to described air outlet and arranges.
Further, at least side of described air outlet is provided with perforated plate, and the shell of described perforated plate and described piggyback pod forms described second chamber.
Further, the inwall of described chamber is pasted with sound absorption materials.
Further, described air inlet is provided with baffle plate, is radiate by described ventilation inlet to prevent the noise produced in described piggyback pod.
Further, described ventilation inlet comprises the upper end ventilation inlet of the shell upper end being arranged at described piggyback pod and is arranged at left side ventilation inlet and the right side ventilation inlet of described shell both sides, and at least one place in described upper end ventilation inlet, described left side ventilation inlet and described right side ventilation inlet is provided with baffle plate.
Further, described baffle plate is in tilted layout into and makes to form V-type air inlet duct between described ventilation inlet and described baffle plate.
Further, the shutter of described upper end ventilation inlet, described left side ventilation inlet and/or described right side ventilation inlet to be opening shape be V-type, the opening of wherein said upper end ventilation inlet is to oblique rear, and the opening of described left side ventilation inlet and/or described right side ventilation inlet obliquely upward.
Further, the shutter of described air outlet to be opening shape be V-type, the opening of described air outlet obliquely upward.
For achieving the above object, the utility model additionally provides a kind of piggyback pod, comprises the piggyback pod air channel structure of above-mentioned engineering truck.
For achieving the above object, the utility model additionally provides a kind of engineering truck, comprises above-mentioned piggyback pod.
Based on technique scheme, the utility model is by arranging the chamber of at least one base closed in the air channel that formed between ventilation inlet on piggyback pod and air outlet, and be provided with aperture at least one side opening of chamber, this chamber can absorb the noise that the associated components from described piggyback pod inside produces, and effectively reduces the machine external noise of piggyback pod; In addition, offer the side in aperture, the generation of piggyback pod internal vortex can be prevented, reduce the windage of air flow field in air channel, the air flow field of inside, optimizing power cabin.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that schematic diagram is looked on a left side for a kind of car bonnet in prior art.
Fig. 2 is the schematic top plan view of car bonnet in Fig. 1.
Fig. 3 is the front-view schematic diagram of car bonnet in Fig. 1.
Fig. 4 is the inner structure schematic diagram of a kind of piggyback pod in prior art.
Fig. 5 is the overall structure schematic diagram of the utility model piggyback pod embodiment.
Fig. 6 is the structural representation of a piggyback pod air channel structure embodiment of the utility model engineering truck.
Fig. 7 is the structural representation of another embodiment of piggyback pod air channel structure of the utility model engineering truck.
Fig. 8 is the inner structure schematic diagram of the utility model piggyback pod embodiment.
Fig. 9 is the schematic top plan view of the utility model piggyback pod embodiment.
Figure 10 is that schematic diagram is looked on a left side for the utility model piggyback pod embodiment.
The corresponding relation of each number in the figure and title is above:
101-car bonnet, 102-side door, 103-both sides ventilation inlet, 104-upper end ventilation inlet, 105-rear end air outlet, 106-thermovent, 107-driving engine, 108-noise silencer, 109-cooling fan, 110-wind scooper, 111-radiator, 112-vehicle frame;
1-side door, 2-thermovent, 3-upper end ventilation inlet, ventilation inlet on the left of 401-, ventilation inlet on the right side of 402-, 5-air outlet, perforated plate on the upside of 6-air outlet, perforated plate on the left of 701-air outlet, perforated plate on the right side of 702-air outlet, perforated plate on the downside of 8-air outlet, side cavity under 9-, 10-upper end ventilation inlet baffle plate, ventilation inlet baffle plate on the left of 1101-, ventilation inlet baffle plate on the right side of 1102-, 12-first chamber, 13-first perforated plate, 14-power part, 15-first baffle plate, 16-air cooling equipment, 17-heat-exchanger rig, 18-second baffle, 19-piggyback pod lower baffle plate, 100-shell, 200-piggyback pod.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " transverse direction ", " longitudinal direction ", " front ", " afterwards ", " left side ", " right side ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
In order to solve the problem of the comparatively large and inner easy generation eddy current of piggyback pod of the outside radiated noise of car bonnet in prior art, the utility model proposes a kind of piggyback pod air channel structure of engineering truck, comprise the ventilation inlet be arranged on piggyback pod 200, air outlet 5 and the air channel between described ventilation inlet and described air outlet 5, described air channel is provided with the chamber of at least one base closed, at least one side opening of described chamber is provided with aperture, the noise making described chamber can absorb the associated components from described piggyback pod 200 inside to produce, and the air that can stop in described air channel with at least one side described in described aperture flows to into described chamber.
Above-mentioned chamber base closed, the chamber that wherein implication of " base closed " to be this chamber be of being surrounded by the baffle plate of more than a piece or a piece is closed, but because at least one side at this chamber also offers aperture, so this chamber neither closing completely in meaning, therefore say that chamber is base closed here.
The utility model is by arranging the chamber of at least one base closed in the air channel that formed between ventilation inlet on piggyback pod and air outlet, and be provided with aperture at least one side opening of chamber, this chamber can absorb the noise that the associated components from described piggyback pod inside produces, and effectively reduces the machine external noise of piggyback pod; In addition, offer the side in aperture, the generation of piggyback pod internal vortex can be prevented, reduce the windage of air flow field in air channel, the air flow field of inside, optimizing power cabin.
The setting position of above-mentioned chamber can have multiple choices, acts on as long as can realize it.This chamber can be arranged at any corner in air channel, as long as at least side of this chamber offers aperture, and this aperture can receive the noise from piggyback pod, and at least side simultaneously offering aperture can stop that the air in described air channel enters chamber to reduce the generation of the airstream eddy current of described piggyback pod inside.
In a preferred embodiment, described chamber comprises the first chamber 12, and described first chamber 12 can be arranged at the bottom of described piggyback pod 200.The benefit that chamber is arranged at bottom is, both can not take the space in air channel, also can not affect in air channel owing to adding chamber, the air flowing of ventilation inlet or air outlet, and is arranged at the absorption that noise is also convenient in bottom.In addition, this chamber, by the base seal of piggyback pod, can prevent outside air from entering in air channel by piggyback pod lower openings, also can prevent noise by piggyback pod bottom to external irradiation, reduces noise.
The specific implementation form that chamber is arranged at bottom has a variety of, preferably, the air cooling equipment 16 for generation of air stream is provided with in described air channel, the lower end of described air cooling equipment 16 is provided with described first chamber 12, between described first chamber 12 and described air cooling equipment 16, be provided with the first perforated plate 13.Also power part 14 can be provided with in described air channel, for generation of the air cooling equipment 16 of air stream and the heat-exchanger rig 17 for carrying out heat exchange to the air stream in described air channel, the lower end of described air cooling equipment 16 is provided with the first perforated plate 13, surrounds the first chamber 12 by described first perforated plate 13 and polylith baffle plate.
The implication of above-mentioned polylith baffle plate is more than one piece or one piece.In above-described embodiment, the chamber being arranged at bottom can be surrounded by the first perforated plate 13 and polylith baffle plate being arranged at air cooling equipment 16 lower end, also can be: as shown in Figure 8, the first baffle plate 15 is provided with between power part 14 and air cooling equipment 16, and the lower end of air cooling equipment 16 is provided with the first perforated plate 13, the first chamber 12 is jointly surrounded by the first perforated plate 13, first baffle plate 15, piggyback pod lower baffle plate 19 and right baffle plate (not shown) and vehicle frame.Wherein the effect of the first baffle plate 15 prevents the hot air near power part 14 from being sucked by air cooling equipment 16.First perforated plate 13 surface is equipped with multiple aperture, can absorption of noise well, reaches noise elimination noise reduction and optimizes the effect in flow field.
In another preferred embodiment, described chamber comprises the second chamber, and described second chamber is adjacent to described air outlet 5 and arranges.The benefit being arranged at air outlet 5 prevents the noise produced in piggyback pod 200 from being radiate by air outlet 5.
The specific implementation form that chamber is arranged at air outlet has a variety of, and preferably, at least side of described air outlet 5 is provided with perforated plate, and the shell 100 of described perforated plate and described piggyback pod 200 forms described second chamber.More preferably, can also be provided with second baffle 18 between heat-exchanger rig 17 and the shell 100 of piggyback pod 200, second baffle 18 can prevent the hot air of air outlet 5 from being sucked heat-exchanger rig 17 by air cooling equipment 16, reduces radiating effect.Thus, the second chamber can at least the perforated plate of side, second baffle 18 and shell 100 surround jointly by being arranged at air outlet 5.
Preferably, as shown in Figure 7, perforated plate 8 on the downside of perforated plate 702 and air outlet is set out on the upside of air port on the left of perforated plate 6, air outlet on the right side of perforated plate 701, air outlet respectively in the surrounding of described air outlet 5, namely the effect that perforated plate realizes noise elimination noise reduction is set by the position of air outlet in air channel 5, as shown in Figure 7, the surface of each perforated plate all offers multiple aperture, can absorption of noise well.
In above-described embodiment, each perforated plate can be set directly at the position of air outlet 5 on shell, then becomes chamber by polylith baffle group; Also the position that distance air outlet 5 has a segment distance can be arranged on, so at least three chambers can be surrounded by perforated plate 702 on the right side of perforated plate 701, air outlet on the left of perforated plate on the upside of air outlet 6, air outlet and shell 100; In addition, second chamber, except above-mentioned three chambers, can also comprise the lower side cavity 9 surrounded by perforated plate on the downside of air outlet 8 and polylith baffle plate, and these chambers all can prevent noise to external irradiation effectively, reduction machine external noise, and optimize inner air flow field.In addition, the first chamber 12 and lower side cavity 9 are two separate chambers, to prevent the hot air of air outlet 5 from sucking heat-exchanger rig 17 by air cooling equipment 16, reduce radiating effect.
In order to strengthen the effect of sound insulation and noise reducing, the inwall of described chamber can be pasted with sound absorption materials.It is very simple and convenient noise elimination means that the inwall of chamber is pasted sound absorption materials, and the selection as sound proofing material can have multiple choices, can select suitable material according to actual needs, as long as can reach corresponding effect.
In order to strengthen the effect of sound insulation and noise reducing further, baffle plate can also be set in described air inlet, as shown in Figure 6, be radiate by described ventilation inlet to prevent the noise produced in described piggyback pod 200.
Preferably, described ventilation inlet comprises the upper end ventilation inlet 3 of shell 100 upper end being arranged at described piggyback pod 200 and is arranged at left side ventilation inlet 401 and the right side ventilation inlet 402 of described shell 100 both sides, and at least one place in described upper end ventilation inlet 3, described left side ventilation inlet 401 and described right side ventilation inlet 402 is provided with baffle plate.
The effect of above-mentioned baffle plate mainly carries out noise reduction to the noise of piggyback pod inside, and the noise preventing associated components in air channel from producing as air cooling equipment 16 to external irradiation, causes larger machine external noise by above-mentioned three ventilation inlets.
To external irradiation in order to noise in air channel can either be prevented, air channel air flow can be avoided again to move and to be obstructed, described baffle plate can be in tilted layout into and make to form V-type air inlet duct between described ventilation inlet and described baffle plate.As shown in Figure 9, upper end ventilation inlet baffle plate 10, left side ventilation inlet baffle plate 1101 and right side ventilation inlet baffle plate 1102 are in tilted layout, to make to form V-type air inlet duct between described upper end ventilation inlet 3 and described upper end ventilation inlet baffle plate 10, between described left side ventilation inlet 401 and described left side ventilation inlet baffle plate 1101, between described right side ventilation inlet 402 and described right side ventilation inlet baffle plate 1102.
In order to realize better noise reduction, the shutter of described upper end ventilation inlet 3, described left side ventilation inlet 401 and/or described right side ventilation inlet 402 can be opening shape be V-type, the opening of wherein said upper end ventilation inlet 3 is to oblique rear, and the opening of described left side ventilation inlet 401 and/or described right side ventilation inlet 402 obliquely upward.
In addition, the shutter of described air outlet 5 also can be opening shape be V-type, the opening of described air outlet 5 obliquely upward.
Below in conjunction with specific embodiment, the implementation procedure of the piggyback pod air channel structure of the utility model engineering truck is described in detail:
As shown in Figure 9, be a preferred embodiment of the piggyback pod air channel structure of the utility model engineering truck.In this embodiment, as shown in Figure 5, the both sides of shell 100 are provided with side door 1, and upper end is provided with thermovent 2.First, as shown in Figure 10, air is by the upper end ventilation inlet 3 and the both sides ventilation inlet 401 that are designed to shutter form, 402 enter, then at upper end ventilation inlet baffle plate 10, both sides ventilation inlet baffle plate 1101, 1102 and first baffle plate 15 water conservancy diversion under, air cooling equipment 16 cooling fan is entered through V-type path, then heat is taken away through heat-exchanger rig 17 radiator, pass through by perforated plate on the upside of air outlet 6 again, perforated plate 701 on the left of air outlet, behind the rectangle exhaust passage that on the right side of air outlet, on the downside of perforated plate 702 and air outlet, perforated plate 8 forms, finally discharged by the air outlet 5 being designed to shutter form.In addition, on the upside of first perforated plate 13, air outlet of air channel indoor design on the left of perforated plate 6, air outlet on the right side of perforated plate 701, air outlet on the downside of perforated plate 702 and air outlet perforated plate 8 can well optimize air flow field, reduce flow field windage, and the chamber that each perforated plate is formed, the effect of good noise elimination noise reduction can be realized.
Based on the piggyback pod air channel structure of above-mentioned engineering truck, the utility model additionally provides a kind of piggyback pod, comprises the piggyback pod air channel structure of above-mentioned engineering truck.
Based on above-mentioned piggyback pod, the utility model additionally provides a kind of engineering truck, comprises above-mentioned piggyback pod.
By the explanation of multiple embodiments of the piggyback pod air channel structure to the utility model engineering truck, piggyback pod and engineering truck, can find:
The piggyback pod air channel structure of engineering truck disclosed in the utility model, there is better sound insulation and noise reducing performance, in the both sides of shell and upper end, the baffle plate that can effectively stop noise to leak is set, the air outlet of louver form is provided with in heat-exchanger rig rear end, and the surrounding that air cooling equipment lower end and heat-exchanger rig export is designed to the noise elimination cavity structure of perforated plate form, optimize the air channel structure of cooling system, when not affecting windage in air channel, good sealing has been carried out to air channel, and the noise elimination cavity of indoor design can well absorb interior noise, make power part, the noise produced during the work such as air cooling equipment obtain effective control to external irradiation, suppress noise outwards directly radiation in air channel.
In the surrounding of air cooling equipment lower end and heat-exchanger rig outlet, noise elimination cavity structure is set, the outside plate of noise elimination cavity all adopts perforated plate structure, makes inside, air channel can not form obvious eddy current, optimizes inner air flow field, be conducive to the flowing of wind, play good soundproof effect simultaneously.
In addition, by the application test on road grader, the piggyback pod air channel structure of engineering truck of the present utility model can make outside engine noise more than decline 2dBA, and this apparatus structure is simple, is easy to processing and manufacturing, with low cost, practical reliable, do not change the overall installation form of shell, effectively can control the noise that air cooling equipment produces, prevent noise to external irradiation.
The piggyback pod air channel structure of engineering truck of the present utility model can be applied on various construction machinery and equipment, is specially adapted to the engineering truck of bleed type's cooling system.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (13)
1. the piggyback pod air channel structure of an engineering truck, it is characterized in that, comprise the ventilation inlet be arranged on piggyback pod (200), air outlet (5) and the air channel be positioned between described ventilation inlet and described air outlet (5), described air channel is provided with the chamber of at least one base closed, at least one side opening of described chamber is provided with aperture, make described chamber can absorb the noise produced from the associated components that described piggyback pod (200) is inner, and the air that can stop in described air channel with at least one side described in described aperture flows to into described chamber.
2. the piggyback pod air channel structure of engineering truck according to claim 1, is characterized in that, described chamber comprises the first chamber (12), and described first chamber (12) is arranged at the bottom of described piggyback pod (200).
3. the piggyback pod air channel structure of engineering truck according to claim 2, it is characterized in that, the air cooling equipment (16) for generation of air stream is provided with in described air channel, the lower end of described air cooling equipment (16) is provided with described first chamber (12), is provided with the first perforated plate (13) between described first chamber (12) and described air cooling equipment (16).
4. the piggyback pod air channel structure of engineering truck according to claim 1 and 2, is characterized in that, described chamber comprises the second chamber, and described second chamber is adjacent to described air outlet (5) and arranges.
5. the piggyback pod air channel structure of engineering truck according to claim 4, it is characterized in that, the at least side of described air outlet (5) is provided with perforated plate, and the shell (100) of described perforated plate and described piggyback pod (200) forms described second chamber.
6. the piggyback pod air channel structure of engineering truck according to claim 1, is characterized in that, the inwall of described chamber is pasted with sound absorption materials.
7. the piggyback pod air channel structure of engineering truck according to claim 1, is characterized in that, described air inlet is provided with baffle plate, is radiate by described ventilation inlet to prevent the noise produced in described piggyback pod (200).
8. the piggyback pod air channel structure of engineering truck according to claim 7, it is characterized in that, described ventilation inlet comprises the upper end ventilation inlet (3) of shell (100) upper end being arranged at described piggyback pod (200) and is arranged at left side ventilation inlet (401) and the right side ventilation inlet (402) of described shell (100) both sides, and at least one place in described upper end ventilation inlet (3), described left side ventilation inlet (401) and described right side ventilation inlet (402) is provided with baffle plate.
9. the piggyback pod air channel structure of engineering truck according to claim 7, is characterized in that, described baffle plate is in tilted layout into and makes to form V-type air inlet duct between described ventilation inlet and described baffle plate.
10. the piggyback pod air channel structure of engineering truck according to claim 8, it is characterized in that, described upper end ventilation inlet (3), described left side ventilation inlet (401) and/or described right side ventilation inlet (402) for opening shape be the shutter of V-type, the opening of wherein said upper end ventilation inlet (3) is to oblique rear, and the opening on described left side ventilation inlet (401) and/or described right side ventilation inlet (402) obliquely upward.
The piggyback pod air channel structure of 11. engineering trucks according to claim 1, is characterized in that, described air outlet (5) for opening shape be the shutter of V-type, the opening of described air outlet (5) is obliquely upward.
12. 1 kinds of piggyback pods, is characterized in that, comprise the piggyback pod air channel structure of the engineering truck as described in any one of claim 1-11.
13. 1 kinds of engineering trucks, is characterized in that, comprise piggyback pod as claimed in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402007.6U CN204895114U (en) | 2015-06-12 | 2015-06-12 | Engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402007.6U CN204895114U (en) | 2015-06-12 | 2015-06-12 | Engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204895114U true CN204895114U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402007.6U Withdrawn - After Issue CN204895114U (en) | 2015-06-12 | 2015-06-12 | Engineering vehicle's piggyback pod wind channel structure, piggyback pod and engineering vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN204895114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584352A (en) * | 2015-06-12 | 2016-05-18 | 徐工集团工程机械股份有限公司 | Air duct structure of engine compartment of construction vehicle, engine compartment and construction vehicle |
| CN106476612A (en) * | 2016-05-31 | 2017-03-08 | 徐工集团工程机械有限公司 | Piggyback pod and engineering truck |
-
2015
- 2015-06-12 CN CN201520402007.6U patent/CN204895114U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584352A (en) * | 2015-06-12 | 2016-05-18 | 徐工集团工程机械股份有限公司 | Air duct structure of engine compartment of construction vehicle, engine compartment and construction vehicle |
| CN106476612A (en) * | 2016-05-31 | 2017-03-08 | 徐工集团工程机械有限公司 | Piggyback pod and engineering truck |
| CN106476612B (en) * | 2016-05-31 | 2019-09-24 | 徐工集团工程机械有限公司 | Piggyback pod and engineering truck |
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