CN210051547U

CN210051547U - A runway for car crosswind stability test

Info

Publication number: CN210051547U
Application number: CN201920924487.0U
Authority: CN
Inventors: 秦青; 刘学龙; 郝剑虹; 李景; 徐辰; 张扬; 张堃; 徐宏伟; 王利利; 王海洋
Original assignee: China Automotive Technology and Research Center Co Ltd; CATARC Tianjin Automotive Engineering Research Institute Co Ltd
Current assignee: China Automotive Technology and Research Center Co Ltd; CATARC Tianjin Automotive Engineering Research Institute Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-02-11
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a runway for testing stability of crosswind of an automobile, which is arranged in a testing area, wherein the testing area is provided with an inlet and an outlet, the runway is divided into an accelerating area, a uniform speed area, a crosswind area and a decelerating area from front to back in sequence, the accelerating area is arranged at one side close to the inlet, and the decelerating area is arranged at one side close to the outlet; and more than one fan is arranged on one side of the crosswind area and used for providing crosswind. A runway for car crosswind stability test through design parameters such as reasonable in design's runway length, width and slope, can test car crosswind stability scientifically effectively, security when going at a high speed to the improvement car has the significance.

Description

A runway for car crosswind stability test

Technical Field

The utility model belongs to the technical field of car stability test, especially, relate to a runway for car crosswind stability test.

Background

With the continuous development of the automobile industry, the market competition is increasingly intense, and therefore, various automobile manufacturers pay high attention to various performances of automobile products. In a plurality of automobile performances, the automobile side wind stability is one of important performances concerning the high-speed driving safety, and in order to further effectively improve the automobile side wind stability, a plurality of reliable testing means are needed, wherein the testing means comprises a basic testing runway, and a professional runway for testing the automobile side wind stability is not available at home at present, so that the runway specially used for testing the automobile side wind stability is urgently needed to be invented, and the gap of facilities in the aspect in China is filled.

Disclosure of Invention

In view of this, the utility model aims at providing a runway for car crosswind stability test to solve the problem that lacks the runway of car crosswind stability test at present.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a runway for testing the stability of crosswind of an automobile is arranged in a test area, the test area is provided with an inlet and an outlet, the runway is sequentially divided into an acceleration area, a constant speed area, a crosswind area and a deceleration area from front to back, the acceleration area is arranged at one side close to the inlet, and the deceleration area is arranged at one side close to the outlet;

and more than one fan is arranged on one side of the crosswind area and used for providing crosswind.

Furthermore, a green belt is arranged at the peripheral edge of the test area and used for reducing the influence of external wind.

Furthermore, the gradients of the accelerating area, the uniform speed area, the crosswind area and the decelerating area are less than 2.5 percent of the total transverse width and less than 2.5 percent of the total longitudinal width between any 50 m.

Further, the width of the acceleration zone, the uniform velocity zone and the deceleration zone is at least 5 m.

Further, the length of the acceleration zone, the uniform velocity zone and the deceleration zone is at least 50 m.

Further, the length of the side wind area is 15m-25 m.

Further, the width of the side wind area is larger than the width of the acceleration area, the width of the constant speed area and the width of the deceleration area;

the width of the side wind zone is at least 7 m.

Compared with the prior art, a runway for car crosswind stability test have following advantage:

a runway for car crosswind stability test through design parameters such as reasonable in design's runway length, width and slope, can test car crosswind stability scientifically effectively, security when going at a high speed to the improvement car has the significance.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic diagram of a runway for testing the stability of the crosswind of the automobile according to the embodiment of the present invention.

Description of reference numerals:

1. an acceleration zone; 2. a uniform velocity region; 3. a side wind zone; 4. a deceleration zone; 5. an outlet; 6. a fan; 7. a green belt; 8. an inlet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in figure 1, the runway for the crosswind stability test of the automobile comprises an acceleration zone 1, a constant speed zone 2, a crosswind zone 3, a deceleration zone 4, a runway outlet 5, a fan equipment zone 6, a green belt 7 and a runway inlet 8, the accelerating area 1, the uniform speed area 2, the crosswind area 3 and the decelerating area 4 are arranged in sequence to form a crosswind stability testing runway of the automobile, a fan equipment area is arranged at one side of the crosswind area 3, at least one fan 6 is arranged in the fan equipment area, be equipped with greenbelt 7 at the holistic periphery of runway, greenbelt 7 is close to the one end in accelerating zone 1 and is equipped with runway entry 8, and greenbelt 7 is close to the one end in deceleration zone 4 and is equipped with runway export 5, and greenbelt 7 not only has air-purifying's effect, still has the effect that reduces outside wind and to the test result influence, and the greenbelt also plays the effect of making an uproar of falling simultaneously, reduces the influence of fan noise to external environment.

The surface hardness of the acceleration zone 1, the uniform velocity zone 2, the side wind zone 3 and the deceleration zone 4 is uniform, high friction is realized, the cleaning is realized, no pollution is caused, no obvious bulge or pit is formed on the surface, the drying is kept, and a wet road surface without obvious water accumulation can also be used; the influence on the test result caused by the surface roughness is avoided.

The gradients of the accelerating area 1, the uniform speed area 2, the crosswind area 3 and the decelerating area 4 are required to be less than 2.5 percent of the total transverse width and less than 2.5 percent of the total longitudinal width between any 50 m; the overall gradient of the runway is kept within a certain reasonable range, and the measurement error caused by gradient factors is reduced.

The width of the acceleration zone 1, the width of the uniform velocity zone 2 and the width of the deceleration zone 4 are at least 5m, and the length L1, the length L2 and the length L4 of each zone are at least 50 m; and the vehicle is ensured to have enough acceleration and uniform speed distance before entering a crosswind area.

The length L3 of the crosswind area 3 is 15m-25m, the width is at least 7m, and the sufficient transverse offset distance and longitudinal running distance of the vehicle after entering the crosswind area are ensured.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A runway for testing stability of crosswind of an automobile is characterized in that: the runway is arranged in a test area, the test area is provided with an inlet (8) and an outlet (5), the runway is sequentially divided into an acceleration area (1), a constant speed area, a side wind area (3) and a deceleration area (4) from front to back, the acceleration area (1) is arranged on one side close to the inlet (8), and the deceleration area (4) is arranged on one side close to the outlet (5);

and more than one fan (6) is arranged on one side of the crosswind area (3) and used for providing crosswind.

2. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: and a green belt (7) is arranged at the peripheral edge position of the test area, and the green belt (7) is used for reducing the influence of external wind.

3. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: the gradients of the accelerating area (1), the uniform velocity area (2), the crosswind area (3) and the decelerating area (4) are less than 2.5 percent of the total transverse width and less than 2.5 percent of the total longitudinal width between any 50 m.

4. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: the widths of the acceleration zone (1), the uniform velocity zone (2) and the deceleration zone (4) are at least 5 m.

5. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: the lengths of the acceleration zone (1), the uniform velocity zone (2) and the deceleration zone (4) are at least 50 m.

6. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: the length of the side wind area (3) is 15-25 m.

7. A runway for a crosswind stability test of an automobile according to claim 1, characterised in that: the width of the side air zone (3) is greater than the widths of the acceleration zone (1), the constant speed zone (2) and the deceleration zone (4);

the width of the side wind area (3) is at least 7 m.