Simulated automobile wind resistance testing device

Abstract

The utility model relates to the technical field of automobile wind resistance testing, in particular to a simulated automobile wind resistance testing device which comprises a base, a sliding rail is arranged in the center of the top of the base through a reserved groove, a testing table is arranged at the top of the sliding rail, and a reference ruler is fixed to the side, corresponding to the sliding rail and the testing table, of the top of the base through bolts. An L-shaped bearing frame is arranged on one side of the base, a heavy-load electric cylinder is mounted at the top of the L-shaped bearing frame through bolts, a test cover covers the top of the base, and an industrial fan and a ventilation net cover are mounted in the centers of the surfaces of the two sides of the test cover through reserved openings and bolts respectively; the heavy-load electric cylinder drives the test cover to descend to cover the top of the base, so that an automobile stopping at the top of the test board is located in a simulated wind tunnel type cover body environment, the industrial fan is started to blow air to the automobile for wind resistance test, and airflow in the test cover is conveniently discharged through the ventilation mesh cover.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile wind resistance testing, and particularly relates to a simulated automobile wind resistance testing device. Background Art

[0002] For wind resistance testing, by simulating the airflow conditions when the automobile is running, the air resistance received by the automobile is measured, which is crucial for the design and research and development of the automobile.

[0003] Currently, when automobiles are tested for wind resistance, it is necessary to conduct the test in an independent wind tunnel building, which is costly and not very convenient. Therefore, a simulated automobile wind resistance testing device is proposed. By simulating the cover structure of a wind tunnel to cooperate with the automobile for wind resistance testing, the cost is saved and the test convenience is improved at the same time. Summary of the Utility Model

[0004] Aiming at the problems in the prior art, the utility model provides a simulated automobile wind resistance testing device. By simulating the cover structure of a wind tunnel to cooperate with the automobile for wind resistance testing, the cost is saved and the test convenience is improved at the same time.

[0005] The technical solution adopted by the utility model to solve its technical problems is a simulated automobile wind resistance testing device, which includes a base. A slide rail is arranged at the center position of the top of the base through a reserved groove. A test bench is arranged on the top of the slide rail. A reference scale is fixed on one side of the top of the base corresponding to the slide rail and the test bench by bolts.

[0006] An L-shaped load-bearing frame is arranged on one side of the base. A heavy-duty electric cylinder is installed on the top of the L-shaped load-bearing frame by bolts. A test cover is arranged on the top of the base. An industrial fan and a ventilation grille are respectively installed on the center positions of the two side surfaces of the test cover through reserved openings and bolts.

[0007] By adopting the above technical solution, a boarding ramp is used to facilitate the automobile to drive onto the top of the base and stop on the top of the test bench.

[0008] The L-shaped load-bearing frame is used to support and fix the heavy-duty electric cylinder, and the heavy-duty electric cylinder is used to drive the test cover to descend and cover the top of the base, so as to enable the automobile parked on the top of the test bench to be in a simulated wind tunnel cover environment. The industrial fan is turned on to blow air on the automobile for wind resistance testing, and the ventilation grille is used to facilitate the discharge of the air flow in the test cover.

[0009] Under different wind forces, the slide rail cooperates with the test bench to move due to the influence of the blowing air flow on the automobile. At the same time, the pointer is supported by an L-shaped bracket to move on the surface of the reference scale as a reference. An observation window is used to facilitate the personnel to view the specific position of the pointer on the surface of the reference scale in real time.

[0010] Specifically, an on - vehicle ramp is provided at one side of the base corresponding to the position of the ventilation grille, and the test bench is slidably connected to the slide rail through the bottom slider.

[0011] By adopting the above - mentioned technical solution, the on - vehicle ramp is utilized to facilitate the car to drive onto the top of the base and park on the top of the test bench.

[0012] Specifically, an L - shaped bracket is fixed to the top of one side of the test bench by bolts, and a pointer is fixed to the surface of the reference scale corresponding to one side of the bottom of the L - shaped bracket by bolts.

[0013] By adopting the above - mentioned technical solution, the L - shaped bracket is used to support the pointer.

[0014] Specifically, the driving end of the heavy - duty electric cylinder is connected to the test cover by bolts.

[0015] By adopting the above - mentioned technical solution, the heavy - duty electric cylinder is used to drive the test cover to lift and lower.

[0016] Specifically, the air outlet end of the industrial fan is corresponding to the inside of the test cover, and an observation window is arranged at the position corresponding to the reference scale on one side surface of the test cover through an opening.

[0017] By adopting the above - mentioned technical solution, the industrial fan is turned on to blow air on the car for wind resistance testing, and the ventilation grille is used to facilitate the discharge of the air flow inside the test cover. The observation window is used to facilitate the personnel to view the specific position of the pointer on the surface of the reference scale in real time.

[0018] The beneficial effects of the present utility model:

[0019] (1) For the simulation of automobile wind resistance test device of the present utility model, the heavy - duty electric cylinder is supported and fixed by the L - shaped load - bearing frame, and the test cover is driven by the heavy - duty electric cylinder to descend and cover the top of the base, so as to realize that the car stagnating on the top of the test bench is in a simulated wind tunnel - type cover environment. The industrial fan is turned on to blow air on the car for wind resistance testing, and the ventilation grille is used to facilitate the discharge of the air flow inside the test cover.

[0020] (2) For the simulation of automobile wind resistance test device of the present utility model, under different wind forces, the test bench moves along with the car affected by the blowing air flow through the cooperation of the slide rail. At the same time, the pointer is supported by the L - shaped bracket and moves on the surface of the reference scale as a reference, and the observation window is used to facilitate the personnel to view the specific position of the pointer on the surface of the reference scale in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present utility model will be further described below with reference to the drawings and embodiments.

[0022] Figure 1 It is the overall schematic diagram of the present utility model;

[0023] Figure 2This is a schematic diagram of the top structure of the base of the utility model;

[0024] Figure 3 This is a schematic diagram of an industrial fan of the utility model;

[0025] In the figure: 1. Base; 2. Boarding ramp; 3. Slide rail; 4. Test bench; 5. Reference ruler; 6. L-shaped bracket; 7. Pointer; 8. L-shaped load-bearing frame; 9. Heavy-load electric cylinder; 10. Test cover; 11. Industrial fan; 12. Ventilation mesh cover; 13. Observation window. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In order to save costs and improve testing convenience, Figures 1-3 As shown, a simulated automobile wind resistance test device described in the utility model comprises a base 1, a slide rail 3 is arranged at the center of the top of the base 1 through a reserved groove, a test bench 4 is arranged on the top of the slide rail 3, and a reference ruler 5 is fixed to one side of the top of the base 1 corresponding to the slide rail 3 and the test bench 4 through bolts;

[0028] An L-shaped load-bearing frame 8 is provided on one side of the base 1, and a heavy-load electric cylinder 9 is installed on the top of the L-shaped load-bearing frame 8 by bolts. A test cover 10 is provided on the top of the base 1, and an industrial fan 11 and a ventilation mesh cover 12 are installed at the center of the two side surfaces of the test cover 10 through reserved openings and bolts.

[0029] When in use, the vehicle is driven to the top of the base 1 through the ramp 2 and stops on the top of the test bench 4;

[0030] The heavy-duty electric cylinder 9 is supported and fixed by the L-shaped load-bearing frame 8, and the test cover 10 is driven by the heavy-duty electric cylinder 9 to descend and cover the top of the base 1, so that the car stopped on the top of the test bench 4 is placed in a simulated wind tunnel-like cover environment, the industrial fan 11 is turned on to blow air to the car for wind resistance test, and the airflow in the test cover 10 is discharged through the ventilation mesh cover 12;

[0031] Under different wind forces, the slide rail 3 cooperates with the test bench 4 because the car is moved under the influence of the blowing airflow. At the same time, the pointer 7 is supported by the L-shaped bracket 6 and moves on the surface of the reference ruler 5 as a reference. The observation window 13 allows personnel to view the specific position of the pointer 7 on the surface of the reference ruler 5 in real time.

[0032] In order to save costs and improve the convenience of testing, for example, Figure 1 , Figure 2 , Figure 3As shown, the utility model further includes that on one side of the base 1, there is a boarding ramp 2 corresponding to the position of the ventilation grille 12, and the test bench 4 is slidably connected to the slide rail 3 through the bottom slider.

[0033] During use, the boarding ramp 2 is used to facilitate the car to drive onto the top of the base 1 and stop on the top of the test bench 4.

[0034] Exemplarily, such as Figure 1 、 Figure 2 As shown, the utility model further includes that on the top of one side of the test bench 4, there is an L-shaped bracket 6 fixed by bolts, and on one side of the bottom of the L-shaped bracket 6, there is a pointer 7 fixed by bolts corresponding to the surface of the reference scale 5.

[0035] During use, the pointer 7 is supported by the L-shaped bracket 6.

[0036] Exemplarily, such as Figure 1 、 Figure 3 As shown, the utility model further includes that the driving end of the heavy-duty electric cylinder 9 is connected to the test cover 10 by bolts.

[0037] During use, the test cover 10 is lifted and lowered by the heavy-duty electric cylinder 9.

[0038] Exemplarily, such as Figure 1 、 Figure 2 、 Figure 3 As shown, the utility model further includes that the air outlet end of the industrial fan 11 is inside the test cover 10, and on one side surface of the test cover 10 corresponding to the position of the reference scale 5, there is an observation window 13 provided through an opening.

[0039] During use, the industrial fan 11 is turned on to blow air on the car for wind resistance testing, and the ventilation grille 12 is used to facilitate the discharge of the air flow inside the test cover 10, and the observation window 13 is used to facilitate personnel to view the specific position of the pointer 7 on the surface of the reference scale 5 in real time.

[0040] When the utility model is in use, the boarding ramp 2 is used to facilitate the car to drive onto the top of the base 1 and stop on the top of the test bench 4;

[0041] The heavy-duty electric cylinder 9 is supported and fixed by the L-shaped load-bearing frame 8, and the test cover 10 is driven by the heavy-duty electric cylinder 9 to descend and cover the top of the base 1, so as to enable the car parked on the top of the test bench 4 to be in a simulated wind tunnel-like cover environment. The industrial fan 11 is turned on to blow air on the car for wind resistance testing, and the ventilation grille 12 is used to facilitate the discharge of the air flow inside the test cover 10;

[0042] Under different wind forces, the slide rail 3 cooperates with the test bench 4, and the vehicle moves under the influence of the blowing air flow. At the same time, the pointer 7 is supported by the L-shaped bracket 6 and moves on the surface of the reference scale 5 as a reference. Through the observation window 13, it is convenient for personnel to view the specific position of the pointer 7 on the surface of the reference scale 5 in real time.

[0043] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automobile air resistance simulation test device, characterized in that, It includes a base (1). A slide rail (3) is provided at the center of the top of the base (1) through a reserved groove. A test bench (4) is arranged on the top of the slide rail (3). A reference scale (5) is fixed to one side of the slide rail (3) and the test bench (4) on the top of the base (1) by bolts. An L-shaped load-bearing frame (8) is arranged on one side of the base (1). A heavy-duty electric cylinder (9) is installed on the top of the L-shaped load-bearing frame (8) by bolts. A test cover (10) is covered on the top of the base (1). An industrial fan (11) and a ventilation grille (12) are respectively installed on the center positions of the two side surfaces of the test cover (10) through reserved openings and bolts.

2. The simulated vehicle aerodynamic drag test device according to claim 1, wherein, An on-board ramp (2) is provided at the position corresponding to the ventilation grille (12) on one side of the base (1). The test bench (4) is slidably connected to the slide rail (3) through a bottom slider.

3. The simulated vehicle drag test device according to claim 1, wherein, An L-shaped bracket (6) is fixed to the top of one side of the test bench (4) by bolts. A pointer (7) is fixed to the surface corresponding to the reference scale (5) at the bottom of one side of the L-shaped bracket (6) by bolts.

4. The simulated vehicle aerodynamic drag test device according to claim 1, wherein, The driving end of the heavy-duty electric cylinder (9) is connected to the test cover (10) by bolts.

5. The simulation automobile wind resistance testing device according to claim 1, characterized in that The air outlet end of the industrial fan (11) faces the inside of the test cover (10). An observation window (13) is provided at the position corresponding to the reference scale (5) on one side surface of the test cover (10) through an opening.

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