CN101486358A - Dome for van-type semi-trailer and van-type semi-trailer - Google Patents
Dome for van-type semi-trailer and van-type semi-trailer Download PDFInfo
- Publication number
- CN101486358A CN101486358A CNA2008100012925A CN200810001292A CN101486358A CN 101486358 A CN101486358 A CN 101486358A CN A2008100012925 A CNA2008100012925 A CN A2008100012925A CN 200810001292 A CN200810001292 A CN 200810001292A CN 101486358 A CN101486358 A CN 101486358A
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- CN
- China
- Prior art keywords
- diversion division
- closed
- streamlined reefer
- reefer housing
- type semitrailer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Abstract
The invention relates to a van type semi-trailer and an air guide cover used for the van type semi-trailer. The air guide cover is fixedly arranged at the outer side of the front end wall of a van type semi-trailer carriage body and comprises an upper air guide part which is convex forward and has the curved surface shape, and a lower air guide part which extends downward from the upper air guide part and has the approximately plane shape; the periphery of the air guide cover is fixedly connected with the outer side of the front end wall; the air guide cover has smooth surface, smooth transition of lines and streamlined design, is in line with the aerodynamic principles, and can further block the air flow vortex generated by high-speed running of a tractor or disperse the formed air flow vortex on the basis that the air guide cover of the tractor carries out air guide, thus reducing the aerodynamic resistance, improving the speed, guaranteeing the running stability of the tractor and reducing the oil consumption.
Description
Technical field
The present invention relates to a kind of large-scale transport vehicle and used accessory equipment thereof, be specifically related to a kind of closed-type semitrailer and be installed on this box type semi-trailer box, the streamlined reefer housing of air resistance when travelling in order to minimizing.
Background technology
In the past in the quite a long time, owing to reasons such as traffic facilities backwardness, category of highways level and auto-industry level are lower, the speed of a motor vehicle of China's automobile reality also less than 30 kms/hour, and the aerodynamic drag and the speed of a motor vehicle that act on the automobile square are directly proportional, so aerodynamic drag is less, do not reach the degree that to be controlled, so the bigger problem of Aerodynamic Drag Coefficient of Automobile does not cause enough attention of people for a long time.
Since the reform and opening-up, along with the high speed development of Chinese national economy, traffic facilities just build up also place in operation also constantly perfect as express highway and high-grade highway constantly.The auto trade new product and the up-to-date technology that also constantly have international most advanced level from external introduction simultaneously greatly improved the technical merit of auto trade, and closed-type semitrailer is exactly a kind of comparatively general transport vehicle in the auto trade.At present along with the closed-type semitrailer technology update and perfect, also improving constantly in the closed-type semitrailer speed of running on expressway, generally can reach 80～90 kms/hour, thereby cause increasing considerably of aerodynamic drag.The fuel oil consumption that causes therefrom also increases considerably, and cause vehicle shipping consumption of fuel to occupy very big ratio in national oil consumption total amount, thereby cargo-carrying closed-type semitrailer pneumatic drag reduction power saving becomes increasingly conspicuous.Therefore no matter still be social energy-conservation aspect from the financial cost aspect, how to develop and a kind ofly can reduce windage, improve the speed of a motor vehicle, increase the vehicle stability that travels, reduce the technology that fuel oil consumes and seem extremely important.
From the moulding of closed-type semitrailer, it is more that the envelope of superimposed trailer exceeds tractor cab, and wind area is big, causes the aerodynamic characteristic of car load relatively poor, and aerodynamic drag is bigger, and economic performance is poor, and riding stability is also relatively poor.Along with increasing substantially of the speed of a motor vehicle, the above-mentioned shortcoming of closed-type semitrailer is more and more outstanding, and the speed of a motor vehicle is high more, and also big more with square aerodynamic drag that is directly proportional of the speed of a motor vehicle shared ratio in the automobile total drag, oil consumption is also many more.The aerodynamic characteristic that improves closed-type semitrailer not only can reduce oil consumption, improves the stability of high vehicle speeds, and has many-sided complex art economic benefit, thereby get more and more people's extensive concerning.Most of tractor truck of closed-type semitrailer has all been used drag reduction technology at present, promptly designed the water conservancy diversion position at the roof place, but the closed-type semitrailer that present stage puts into effect is not also installed and can be used with tractor truck water conservancy diversion position, and further reduces the streamlined reefer housing of air resistance coefficient.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of can more effective reduction aerodynamic drag closed-type semitrailer and the streamlined reefer housing that closed-type semitrailer is used, this streamlined reefer housing is as the additional guiding device at tractor truck roof water conservancy diversion position, further actv. stops because tractor truck is run at high speed the air-flow whirlpool that produces or with established air-flow whirlpool dispersion, reduce aerodynamic drag, reduce oil consumption.
In order to realize above-mentioned purpose, first kind of technical scheme that the present invention adopts is as follows:
The streamlined reefer housing that a kind of closed-type semitrailer is used, be fixedly installed in the outside of the preceding headwall of box type semi-trailer box, this streamlined reefer housing comprises that projection is for curved upward diversion division with by the downward extended plane following diversion division that roughly is of diversion division on this forward, and the periphery of described streamlined reefer housing is fixedly connected on the outside of described preceding headwall.
In the streamlined reefer housing that above-mentioned closed-type semitrailer is used, described two edges of going up diversion division and following diversion division all offer a plurality of mounting holes, and diversion division and following diversion division are by the preceding headwall Joint of described a plurality of mounting holes with fastener and box type semi-trailer box on this.
In the streamlined reefer housing that above-mentioned closed-type semitrailer is used, the described drift angle end of going up diversion division is provided with the mounting hole that is used to install flank indicator.
In the streamlined reefer housing that above-mentioned closed-type semitrailer is used, described upward diversion division is a dome shape to the curved surface of outer lug.
In the streamlined reefer housing that above-mentioned closed-type semitrailer is used, the used material of described streamlined reefer housing is a glass-felt plastic.
Second kind of technical scheme of the present invention is for adopting the closed-type semitrailer of the streamlined reefer housing described in technical scheme one.
The streamlined reefer housing that closed-type semitrailer of the present invention and closed-type semitrailer are used, because streamlined reefer housing itself is provided with protruding forward for curved upward diversion division with by the downward extended plane following diversion division that roughly is of diversion division on this, make its smooth surface, lines seamlessly transit, airflow design, the aerodynamic principle, and be connected in by fastener outside the preceding headwall of box type semi-trailer box, can carry out on the basis of water conservancy diversion at tractor truck roof water conservancy diversion position, further stop because tractor truck is run at high speed the air-flow whirlpool that produces or with established air-flow whirlpool dispersion, reduce aerodynamic drag, improve the speed of a motor vehicle, guarantee the stability that tractor truck travels, reduce oil consumption.
Closed-type semitrailer of the present invention is easy for installation, safe and reliable with streamlined reefer housing, and this streamlined reefer housing can adopt the glass steel part, and is aesthetic in appearance, and can be made into various appearance colors and air brushing font, pattern, to reach the effect of attractive in appearance and advertising.
Description of drawings
Figure 1A is the front view of the streamlined reefer housing used of closed-type semitrailer of the present invention;
Figure 1B is the lateral plan of Figure 1A;
Fig. 2 is the scheme drawing that the closed-type semitrailer of streamlined reefer housing of the present invention is installed;
Fig. 3 does not adopt the aerodynamic drag diagram of curves of closed-type semitrailer of the present invention with streamlined reefer housing; And
Fig. 4 is the aerodynamic drag diagram of curves that adopts the streamlined reefer housing that closed-type semitrailer of the present invention uses.
Number in the figure is as follows:
1 streamlined reefer housing
Diversion division on 11
111 mounting holes, 112 flank indicator mounting holes
12 times diversion divisions
2 closed-type semitrailers
Headwall before 21
3 tractor trucks
31 roof water conservancy diversion positions
The specific embodiment
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.
Shown in Figure 1A, Figure 1B, closed-type semitrailer of the present invention streamlined reefer housing 1, comprise that projection is for curved upward diversion division 11 with by the 11 downward extended plane following diversion divisions 12 that roughly are of diversion division on this forward, should go up diversion division 11 and following diversion division 12 wide and they width and be complementary with the width of the preceding headwall 21 of the envelope 2 of closed-type semitrailer, the whole height of streamlined reefer housing 1 promptly go up diversion division 11 add under diversion division 12 highly suitable with the height of the preceding headwall 21 of box type semi-trailer box 2.The size, the shape that is to say streamlined reefer housing can be done adaptive change according to the envelope of the closed-type semitrailer of being installed.
For another example shown in Figure 1A, Figure 1B, last diversion division 11 in this example roughly is dome shape, certainly be not limited thereto, as long as the shape of the diversion division 11 curved surface shape that is designed to as indicated above is to reach the effect of water conservancy diversion, and plane following diversion division 12 is just fitted with the preceding headwall 21 corresponding sites coupling of the envelope 2 of closed-type semitrailer, all offer 5 mounting holes 111 at last diversion division 11 and following diversion division 12 two edges, utilize these mounting holes 111 by the outside Joint of fasteners such as bolt with the preceding headwall 21 of the periphery of streamlined reefer housing 1 and box type semi-trailer box 2.
In addition, two drift angle ends of last diversion division 11 also are provided with two flank indicator mounting holes 112, utilize these mounting hole 112 installation industries to require the flank indicator of installing, because down certain distance is also left to reduce unnecessary waste of material and to reduce the weight of streamlined reefer housing in the bottom of diversion division 12 and the bottom of the preceding headwall 21 of box type semi-trailer box 2, therefore diversion division 12 can't shelter from original two flank indicators that are positioned at the base angle end of preceding headwall 21 down.The effect of flank indicator also can be when being made into streamlined reefer housing in various appearance colors and air brushing font, pattern except that satisfying industry requirement, plays beautifying and the effect of advertising vehicle.
Fig. 2 is that the water conservancy diversion used of utilization closed-type semitrailer of the present invention covers in the running condition scheme drawing on the closed-type semitrailer.As shown in FIG., streamlined reefer housing 1 and is connected in the outside of the preceding headwall 21 of box type semi-trailer box by fastener between tractor truck 3 and box type semi-trailer box 2.Owing to the last water diversion part 11 of streamlined reefer housing descends diversion division 12 roughly to be plane for the dome shape of projection forward, so its smooth surface, lines seamlessly transit, airflow design, the aerodynamic principle, so can carry out on the basis of water conservancy diversion at tractor truck 3 roof water conservancy diversion positions 31, further effectively stop because tractor truck is run at high speed the air-flow whirlpool that produces or with established air-flow whirlpool dispersion, reduce aerodynamic drag, improve the speed of a motor vehicle, guarantee the stability that tractor truck 3 travels, reduce oil consumption.
Fig. 3 does not adopt the aerodynamic drag diagram of curves of closed-type semitrailer of the present invention with the preceding headwall of streamlined reefer housing, Fig. 4 is the aerodynamic drag diagram of curves that adopts the preceding headwall of the streamlined reefer housing that closed-type semitrailer of the present invention uses, and the preceding headwall that all shows closed-type semitrailer among Fig. 3 and Fig. 4 is two kinds of situations of corrugated plating and riveted plating.
Wherein, the pneumatic drag coefficient test data of experiment of riveted plating that shows among Fig. 3, Fig. 4 and corrugated plating statistics is listed as follows:
| Template | Riveted plating | Corrugated plating |
| The pneumatic drag coefficient Cx of no streamlined reefer housing | 0.6～0.7 | 0.7～0.8 |
| The pneumatic drag coefficient Cx that streamlined reefer housing is arranged | 0.5～0.6 | 0.6～0.7 |
| Pneumatic drag coefficient Cx reduces percentum | About 10% | About 10% |
By above cartogram as seen, no matter the preceding headwall of closed-type semitrailer is riveted plating or corrugated plating, pneumatic drag coefficient Cx when streamlined reefer housing is arranged is starkly lower than the pneumatic drag coefficient Cx when not having streamlined reefer housing, that is to say the pneumatic drag coefficient Cx reduction about 10% of the pneumatic drag coefficient Cx of the closed-type semitrailer that streamlined reefer housing is installed than the closed-type semitrailer that streamlined reefer housing is not installed.
Closed-type semitrailer of the present invention is easy for installation, safe and reliable with streamlined reefer housing, and this streamlined reefer housing is the glass steel part, and is aesthetic in appearance.For another above introducing, also streamlined reefer housing can be made into various appearance colors and air brushing font, pattern, to reach the effect of attractive in appearance and advertising.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all is a casehistory, is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all be included in the invention.
Claims (10)
1. streamlined reefer housing that closed-type semitrailer is used, be fixedly installed in the outside of the preceding headwall of box type semi-trailer box, it is characterized in that, this streamlined reefer housing comprises that projection is for curved upward diversion division with by the downward extended plane following diversion division that roughly is of diversion division on this forward, and the periphery of described streamlined reefer housing is fixedly connected on the outside of described preceding headwall.
2. the streamlined reefer housing that closed-type semitrailer according to claim 1 is used, it is characterized in that, described two edges of going up diversion division and following diversion division all offer a plurality of mounting holes, and diversion division and following diversion division are by the preceding headwall Joint of described a plurality of mounting holes with fastener and box type semi-trailer box on this.
3. the streamlined reefer housing that closed-type semitrailer according to claim 1 is used is characterized in that, the described two drift angle ends of going up diversion division are respectively arranged with the mounting hole that is used to install flank indicator.
4. the streamlined reefer housing that closed-type semitrailer according to claim 1 is used is characterized in that, the described upward diversion division curved surface of projection forward is a dome shape.
5. the streamlined reefer housing that closed-type semitrailer according to claim 1 is used is characterized in that, the used material of described streamlined reefer housing is a glass-felt plastic.
6. the streamlined reefer housing of using according to each described closed-type semitrailer of claim 1 to 5, it is characterized in that, this goes up diversion division and following diversion division is wide and the width of the preceding headwall of its width and this closed-type semitrailer is suitable, and the height of the whole height of this streamlined reefer housing and the preceding headwall of this closed-type semitrailer is suitable.
7. closed-type semitrailer, it is characterized in that, the outside of the preceding headwall of the envelope of this closed-type semitrailer is installed with a streamlined reefer housing, this streamlined reefer housing comprises that projection is for curved upward diversion division with by the downward extended plane following diversion division that roughly is of diversion division on this forward, this goes up diversion division and following diversion division is wide and the width of the preceding headwall of its width and this closed-type semitrailer is suitable, the height of the whole height of this streamlined reefer housing and the preceding headwall of this closed-type semitrailer is suitable, and the periphery of described streamlined reefer housing is fixedly connected on the outside of described preceding headwall.
8. closed-type semitrailer according to claim 7, it is characterized in that, described two edges of going up diversion division and following diversion division all offer a plurality of mounting holes, and diversion division and following diversion division are by the preceding headwall Joint of described a plurality of mounting holes with fastener and box type semi-trailer box on this.
9. closed-type semitrailer according to claim 7 is characterized in that, the described two drift angle ends of going up diversion division are respectively arranged with the mounting hole that is used to install flank indicator, and the used material of described streamlined reefer housing is a glass-felt plastic.
10. according to each described closed-type semitrailer of claim 7 to 9, it is characterized in that described upward diversion division is a dome shape to the curved surface of outer lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100012925A CN101486358A (en) | 2008-01-17 | 2008-01-17 | Dome for van-type semi-trailer and van-type semi-trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100012925A CN101486358A (en) | 2008-01-17 | 2008-01-17 | Dome for van-type semi-trailer and van-type semi-trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101486358A true CN101486358A (en) | 2009-07-22 |
Family
ID=40889462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100012925A Pending CN101486358A (en) | 2008-01-17 | 2008-01-17 | Dome for van-type semi-trailer and van-type semi-trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101486358A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020074B (en) * | 2009-09-09 | 2012-05-09 | 中国国际海运集装箱(集团)股份有限公司 | Container capable of reducing wind resistance |
| CN103754277A (en) * | 2014-02-12 | 2014-04-30 | 北京福田戴姆勒汽车有限公司 | Vehicle |
| CN104647662A (en) * | 2013-12-21 | 2015-05-27 | 柳州兴杜工业贸易有限公司 | Coloring method for glass fiber reinforced plastic diversion cover for truck |
| CN106687363A (en) * | 2014-09-23 | 2017-05-17 | 威伯科欧洲有限责任公司 | Deformable and movable rear spoiler device for a vehicle |
-
2008
- 2008-01-17 CN CNA2008100012925A patent/CN101486358A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020074B (en) * | 2009-09-09 | 2012-05-09 | 中国国际海运集装箱(集团)股份有限公司 | Container capable of reducing wind resistance |
| CN104647662A (en) * | 2013-12-21 | 2015-05-27 | 柳州兴杜工业贸易有限公司 | Coloring method for glass fiber reinforced plastic diversion cover for truck |
| CN103754277A (en) * | 2014-02-12 | 2014-04-30 | 北京福田戴姆勒汽车有限公司 | Vehicle |
| CN103754277B (en) * | 2014-02-12 | 2016-04-20 | 北京福田戴姆勒汽车有限公司 | Vehicle |
| CN106687363A (en) * | 2014-09-23 | 2017-05-17 | 威伯科欧洲有限责任公司 | Deformable and movable rear spoiler device for a vehicle |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20090722 |