CN216899539U

CN216899539U - Novel wind tunnel test device for vehicle model

Info

Publication number: CN216899539U
Application number: CN202220758905.5U
Authority: CN
Inventors: 刘诗玮
Original assignee: Shaanxi Chuangyiyun Technology Co ltd
Current assignee: Shaanxi Chuangyiyun Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-05
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a novel wind tunnel test device for a vehicle model, which comprises a base, wherein the base is in a trapezoid shape, a groove is formed in the middle of the base, a bottom plate is arranged at an opening at the top of the groove, the bottom end of the bottom plate is connected with a supporting mechanism, and four corners of the bottom end of the bottom plate are connected with a buffering mechanism.

Description

Novel wind tunnel test device for vehicle model

Technical Field

The utility model relates to the technical field of wind tunnel tests, in particular to a novel vehicle model wind tunnel test device.

Background

The wind tunnel experiment in the aspect of hydrodynamics refers to an aerodynamic experiment method for arranging an aircraft or other object model in a wind tunnel, researching gas flow and interaction between the gas flow and the model and knowing the aerodynamic characteristics of the actual aircraft or other objects; in the chemical ecology of insects, the behavior reaction of living insects to odorous substances is observed in a rectangular space with ventilation.

When an existing vehicle model wind tunnel test is carried out, a vehicle model is generally placed on a horizontal base, and the wind resistance of the vehicle model in an inclined state cannot be tested. Therefore, a person skilled in the art provides a novel vehicle model wind tunnel test device to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel wind tunnel test device for a vehicle model, which comprises a base, wherein the base is trapezoidal, a groove is formed in the middle of the base, a bottom plate is arranged at an opening at the top of the groove, the bottom end of the bottom plate is connected with a supporting mechanism, and four corners of the bottom end of the bottom plate are connected with a buffering mechanism.

Preferably, the following components: the supporting mechanism comprises a motor, the motor is connected with a lead screw, the lead screw is connected with a lead screw support in a rotating mode, the lead screw support is fixedly connected with a base, the middle of the lead screw is connected with a movable block, the movable block corresponds to the lead screw and is provided with a threaded hole, two ends of the movable block are fixedly connected with movable rods, the other ends of the movable rods are fixedly connected with supporting wheels, and the supporting wheels are connected with a limiting mechanism.

Preferably: the movable rod is close to the tail end of the supporting wheel and is fixedly connected with a sliding block, the sliding block is connected with a sliding rail in a sliding mode, and the sliding rail is connected with the base through a support.

Preferably: the buffer mechanism comprises an upper movable seat, the upper movable seat is fixedly connected with a bottom plate, the upper movable seat is rotatably connected with a supporting rod through a pin shaft, the middle part of the supporting rod is fixedly connected with an upper fixed block, the lower part of the supporting rod is sleeved with a sleeve, the supporting rod is slidably connected with the sleeve, the tail end of the sleeve is rotatably connected with a lower movable seat through the pin shaft, and the lower movable seat is fixedly connected with a base.

Preferably: the middle part of the sleeve is fixedly connected with the lower fixing block, a spring is arranged between the upper fixing block and the lower fixing block, and the spring is sleeved outside the support rod and the sleeve.

Preferably: the limiting mechanism comprises a fixing plate, four corners of the fixing plate are fixed with the base through bolts, and limiting rails are fixedly connected to the fixing plate.

Preferably: the middle part of the limiting rail is provided with a supporting part, and the two sides of the limiting rail, which are positioned on the supporting part, are provided with inclined parts.

The utility model has the technical effects and advantages that:

1. according to the utility model, the vehicle model is placed at the upper end of the bottom plate, when a test is carried out, the motor is started to drive the screw rod to rotate, the movable block moves along the screw rod to drive the movable rod and the supporting wheel to move, the sliding block moves along the sliding rail, the supporting wheel moves to the inclined part along the supporting part in the limiting rail, and the supporting wheel is used for pushing the limiting rail to incline, so that the bottom plate is pushed to incline, and the vehicle model is inclined.

2. In the utility model, the buffer effect can be achieved through the arranged buffer mechanism.

Drawings

FIG. 1 is a schematic structural diagram of a novel vehicle model wind tunnel test device provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a supporting mechanism in a novel vehicle model wind tunnel test device provided by an embodiment of the present application;

fig. 3 is a schematic structural diagram of a buffer mechanism in a novel vehicle model wind tunnel test device provided in the embodiment of the present application;

fig. 4 is a schematic structural diagram of a limiting mechanism in a novel vehicle model wind tunnel test device provided in the embodiment of the present application;

in the figure: 1. the base, 101, recess, 2, the bottom plate, 3, supporting mechanism, 301, the motor, 302, the lead screw, 303, the movable block, 304, the lead screw support, 305, the movable rod, 306, supporting wheel, 307, the slider, 308, the slide rail, 4, buffer gear, 401, last sliding seat, 402, the bracing piece, 4021, last fixed block, 403, the sleeve pipe, 4031, lower fixed block, 404, lower sliding seat, 405, the spring, 5, stop gear, 501, the fixed plate, 502, spacing track, 503, supporting part, 504, the rake.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1, the present embodiment provides a novel vehicle model wind tunnel test device, which includes a base 1, the base 1 is configured in a trapezoid shape, a groove 101 is disposed in the middle of the base 1, a bottom plate 2 is disposed at an opening at the top of the groove 101, a supporting mechanism 3 is connected to the bottom end of the bottom plate 2, and four corners at the bottom end of the bottom plate 2 are connected to a buffering mechanism 4.

Referring to fig. 2, the supporting mechanism 3 includes a motor 301, the motor 301 is connected to a lead screw 302, the lead screw 302 is rotatably connected to a lead screw bracket 304, the lead screw bracket 304 is fixedly connected to the base 1, the middle portion of the lead screw 302 is connected to a movable block 303, a threaded hole is formed in the movable block 303 corresponding to the lead screw 302, two ends of the movable block 303 are fixedly connected to a movable rod 305, the other end of the movable rod 305 is fixedly connected to a supporting wheel 306, the supporting wheel 306 is connected to a limiting mechanism 5, the movable rod 305 is fixedly connected to a sliding block 307 near the end of the supporting wheel 306, the sliding block 307 is slidably connected to a sliding rail 308, and the sliding rail 308 is connected to the base 1 through a bracket.

Referring to fig. 3, the buffering mechanism 4 includes an upper movable seat 401, the upper movable seat 401 is fixedly connected to the bottom plate 2, the upper movable seat 401 is rotatably connected to a support rod 402 through a pin, the middle portion of the support rod 402 is fixedly connected to an upper fixed block 4021, a sleeve 403 is sleeved on the lower portion of the support rod 402, the support rod 402 is slidably connected to the sleeve 403, the end of the sleeve 403 is rotatably connected to a lower movable seat 404 through a pin, the lower movable seat 404 is fixedly connected to the base 1, the middle portion of the sleeve 403 is fixedly connected to a lower fixed block 4031, a spring 405 is disposed between the upper fixed block 4021 and the lower fixed block 4031, and the spring 405 is sleeved on the outer sides of the support rod 402 and the sleeve 403.

Referring to fig. 4, the limiting mechanism 5 includes a fixing plate 501, four corners of the fixing plate 501 are fixed to the base 1 by bolts, a limiting rail 502 is fixedly connected to the fixing plate 501, a supporting portion 503 is disposed at the middle portion of the limiting rail 502, and inclined portions 504 are disposed at two sides of the supporting portion 503 of the limiting rail 502.

The working principle of the utility model is as follows:

during the use, the vehicle model is placed in bottom plate 2 upper end, when experimental, starter motor 301 drives lead screw 302 and rotates, movable block 303 removes along lead screw 302, drive movable rod 305, supporting wheel 306 removes, slider 307 removes along slide rail 308, supporting wheel 306 removes to rake 504 along supporting part 503 in spacing track 502, utilize supporting wheel 306 to promote spacing track 502 and produce the slope, thereby promote bottom plate 2 slope, make the vehicle model slope, buffer gear 4 through setting up can play the effect of buffering, this testing arrangement, can test and draw the test data that the vehicle model is in the horizontality, also can test and draw the test data that the vehicle model is in the tilt state.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a novel vehicle model wind tunnel test device, includes base (1), its characterized in that, base (1) sets to trapezoidally, and base (1) middle part is equipped with recess (101), and recess (101) open-top portion is equipped with bottom plate (2), and supporting mechanism (3) are connected to bottom plate (2) bottom, and buffer gear (4) are connected to bottom plate (2) bottom four corners department.

2. The novel vehicle model wind tunnel test device according to claim 1, wherein the supporting mechanism (3) comprises a motor (301), the motor (301) is connected with a lead screw (302), the lead screw (302) is rotatably connected with a lead screw bracket (304), the lead screw bracket (304) is fixedly connected with a base (1), a movable block (303) is connected with the middle part of the lead screw (302), the movable block (303) is provided with a threaded hole corresponding to the lead screw (302), two ends of the movable block (303) are fixedly connected with movable rods (305), the other ends of the movable rods (305) are fixedly connected with supporting wheels (306), and the supporting wheels (306) are connected with a limiting mechanism (5).

3. The novel vehicle model wind tunnel test device according to claim 2, characterized in that the movable rod (305) is fixedly connected with a sliding block (307) near the end of the supporting wheel (306), the sliding block (307) is connected with a sliding rail (308) in a sliding manner, and the sliding rail (308) is connected with the base (1) through a bracket.

4. The novel vehicle model wind tunnel test device according to claim 1, wherein the buffer mechanism (4) comprises an upper movable seat (401), the upper movable seat (401) is fixedly connected with the bottom plate (2), the upper movable seat (401) is rotatably connected with a support rod (402) through a pin shaft, the middle part of the support rod (402) is fixedly connected with an upper fixed block (4021), a sleeve (403) is sleeved on the lower part of the support rod (402), the support rod (402) is slidably connected with the sleeve (403), the tail end of the sleeve (403) is rotatably connected with a lower movable seat (404) through a pin shaft, and the lower movable seat (404) is fixedly connected with the base (1).

5. The novel vehicle model wind tunnel test device according to claim 4, characterized in that the middle of the sleeve (403) is fixedly connected with a lower fixed block (4031), a spring (405) is arranged between the upper fixed block (4021) and the lower fixed block (4031), and the spring (405) is sleeved outside the support rod (402) and the sleeve (403).

6. The novel vehicle model wind tunnel test device according to claim 2, wherein the limiting mechanism (5) comprises a fixing plate (501), four corners of the fixing plate (501) are fixed with the base (1) through bolts, and limiting rails (502) are fixedly connected to the fixing plate (501).

7. The novel vehicle model wind tunnel test device according to claim 6, wherein a supporting portion (503) is arranged at the middle of the limiting rail (502), and inclined portions (504) are arranged at the two sides of the supporting portion (503) of the limiting rail (502).