Sand wind impact testing device for simulating desert environment

Abstract

The utility model discloses a sandstorm impact testing device for simulating desert environment, which comprises a bottom groove, two ends of the bottom groove are provided with gaps, two sides of the bottom groove are fixedly connected with a plurality of lifting rods, the top ends of the plurality of lifting rods are fixedly connected with the same annular guide rail, the inner side of the annular guide rail is slidably connected with a filter box through a slide block, and the filter box is connected with a filter screen. The top of the filter box communicates with a sand inlet pipe, and the bottom of the filter box is fixedly connected with a valve. Through cooperative use of the annular guide rail and the sliding block, the filter box and the fan can be moved, the fan can be conveniently moved to different positions of a vehicle, wind and sand in different directions of the vehicle can be conveniently simulated, and the practicability of the device is improved; the filter box has certain resistance during movement, the filter box and the fan are conveniently fixed, the height of the annular guide rail can be adjusted through the lifting rod, and the device is conveniently suitable for vehicles with different heights.

Description

Technical Field

[0001] The utility model belongs to the technical field of sand and wind impact testing, and particularly relates to a sand and wind impact testing device for simulating desert environment. Background Art

[0002] Vehicle sand and wind impact testing is a test for evaluating the performance and durability of vehicles in sand and wind environments. The purpose of the test is to examine the sand and wind resistance of vehicle exterior components, such as whether the vehicle paint, window glass, headlight covers, etc. will show wear, scratches, cracks, etc. under sand and wind impact; evaluate the sealing performance of the vehicle to ensure that a large amount of sand and wind will not enter the vehicle, affecting the comfort and safety of the driver and passengers; test the reliability of the vehicle's mechanical components and electronic devices in sand and wind environments to prevent failures caused by the intrusion of sand and wind.

[0003] The test method is to use professional sand and wind simulation equipment that can generate sand and wind flows with different intensities and particle sizes to simulate various actual sand and wind conditions; place the vehicle in the sand and wind simulation environment and let the sand and wind continuously impact various parts of the vehicle; the test time is determined according to standard requirements or actual needs, generally ranging from several hours to dozens of hours; during the test, the performance parameters of the vehicle can be monitored in real time, such as the operating state of the engine and the working conditions of the electronic system.

[0004] When the existing sand and wind impact testing device conducts sand and wind impact testing on a vehicle, the testing device is usually fixed at a certain position, which is not convenient to adjust the blowing direction of the testing device according to the actual situation, resulting in poor practicability during the test. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0006] To solve the problem that when the existing sand and wind impact testing device conducts sand and wind impact testing on a vehicle, the testing device is usually fixed at a certain position, which is not convenient to adjust the blowing direction of the testing device according to the actual situation, resulting in poor practicability during the test, the utility model adopts the following technical solutions.

[0007] A sand and wind impact test device for simulating a desert environment, including a bottom groove. Both ends of the bottom groove are provided with notches. A plurality of lifting rods are fixedly connected to both sides of the bottom groove. The tops of the plurality of lifting rods are fixedly connected to the same annular guide rail. The inner side of the annular guide rail is slidably connected with a filter box through a slider. A sand inlet pipe is communicated with the top of the filter box. A valve is fixedly connected to the bottom of the filter box. A blowing component is arranged at the bottom of the valve.

[0008] Preferably, the outer size of the annular guide rail coincides with the outer size of the bottom groove, and one side of the filter box is attached to the inner side of the annular guide rail.

[0009] Preferably, the blowing component includes a sand box, a diffuser and a blower. The bottom of the valve is communicated with the sand box. One side of the sand box close to the center of the bottom groove is fixedly connected with a diffuser. The other side of the sand box is fixedly connected with a blower. The diffuser is communicated with the blower through the sand box.

[0010] Preferably, the top of the sand box is fixedly connected to the bottom of the valve. The structure of the diffuser is a "flared" structure. The horizontal center line of the diffuser coincides with the horizontal center line of the blower.

[0011] Preferably, the filter box is composed of a box body and a box cover. An opening is arranged at the top of the box body. The box cover is movably clamped at the opening of the box body. The box cover is fixedly connected to the sand inlet pipe. The central axis of the sand inlet pipe coincides with the vertical center line of the filter box.

[0012] Preferably, an insertion port is arranged on one side of the filter box close to the center of the bottom groove. A filter screen plate is inserted into the filter box through the insertion port. The outer size of the filter screen plate coincides with the inner size of the filter box.

[0013] Preferably, mounting plates are fixedly connected to both sides of the bottom groove. Positioning holes penetrating through the mounting plates are arranged at both ends of the mounting plates. The mounting plates are symmetric about the vertical center line of the bottom groove.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] By the combined use of the annular guide rail and the slider, the present utility model can move the filter box and the blower, facilitating the movement of the blower to different positions of the vehicle, conveniently simulating the sand and wind in different directions of the vehicle, improving the practicability of the device. One side of the filter box is attached to one side of the annular guide rail, enabling the filter box to have a certain resistance during movement, facilitating the fixation of the filter box and the blower. The lifting rods can be used to adjust the height of the annular guide rail, making it convenient for the device to be applicable to vehicles of different heights. Description of the drawings

[0017] Figure 1 This is a three-dimensional structure schematic diagram of one perspective of the present utility model;

[0018] Figure 2 This is a three-dimensional structure schematic diagram of another perspective of the present utility model;

[0019] Figure 3 This is a three-dimensional structure schematic diagram of the annular guide rail of the present utility model;

[0020] Figure 4 This is a three-dimensional structure schematic diagram of the filter box and the blowing assembly of the present utility model;

[0021] Figure 5 This is a schematic side view structure diagram of the whole of the present utility model.

[0022] The corresponding relationship between the reference numerals and the component names in the figure is as follows:

[0023] 1. Bottom groove; 2. Lifting rod; 3. Annular guide rail; 4. Filter box; 5. Sand inlet pipe; 6. Valve; 7. Sand box; 8. Expansion port; 9. Fan; 10. Filter screen plate; 11. Installation plate; 12. Positioning hole. Specific embodiments

[0024] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings of the specification.

[0025] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. The present utility model provides the following embodiments.

[0027] Please refer to Figures 1-5, An embodiment provided by the present utility model: A sandstorm impact test device for simulating a desert environment, including a bottom trough 1. Notches are provided at both ends of the bottom trough 1. Mounting plates 11 are fixedly connected to both sides of the bottom trough 1. Positioning holes 12 penetrating through the mounting plates 11 are provided at both ends of the mounting plates 11. The mounting plates 11 are symmetric about the vertical center line of the bottom trough 1. Through the bottom trough 1, the device can be placed on an external horizontal plane. By using the cooperation of the positioning holes 12 and external bolts, the mounting plates 11 can be fixed to the external horizontal plane, completing the installation of the device and enhancing the stability of the bottom of the device. The setting of the bottom trough 1 can hold sand, facilitating the simulation of the scenario of a vehicle in the desert. The notches provided at both ends of the bottom trough 1 facilitate the movement of the vehicle into the bottom trough 1.

[0028] In this embodiment, a plurality of lifting rods 2 are fixedly connected to both sides of the bottom trough 1. The tops of the plurality of lifting rods 2 are fixedly connected to the same annular guide rail 3. By using the lifting rods 2, the height of the annular guide rail 3 can be adjusted, facilitating the device to be applicable to vehicles of different heights. The inner side of the annular guide rail 3 is slidably connected with a filter box 4 through a slider. The outer size of the annular guide rail 3 coincides with the outer size of the bottom trough 1. One side of the filter box 4 is in contact with the inner side of the annular guide rail 3, and one side of the filter box 4 is in contact with one side of the annular guide rail 3, making the filter box 4 have a certain resistance during movement, facilitating the fixation of the filter box 4.

[0029] In this embodiment, a socket is provided on one side of the filter box 4 close to the center of the bottom trough 1. A filter screen plate 10 is inserted into the filter box 4 through the socket. The outer size of the filter screen plate 10 coincides with the inner size of the filter box 4. A sand inlet pipe 5 is connected to the top of the filter box 4. The filter box 4 is composed of a box body and a box cover, and an opening is provided at the top of the box body. The box cover is movably clamped at the opening of the box body, and the box cover is fixedly connected to the sand inlet pipe 5. The central axis of the sand inlet pipe 5 coincides with the vertical center line of the filter box 4. A valve 6 is fixedly connected to the bottom of the filter box 4. Through the sand inlet pipe 5, an external sand supply pipeline can be connected to the device, enabling external sand to enter the filter box 4. The filter screen plate 10 can be used to filter the sand entering the filter box 4, preventing the test from being affected by overly large sand grains. At the same time, by using the socket on the filter box 4, the filter screen plate 10 can be taken out, facilitating the cleaning of the sand in the filter box 4 after the test is completed, and also facilitating the replacement of filter screen plates 10 with different calibers according to actual needs.

[0030] In this embodiment, a sand box 7, an expansion port 8 and a blower 9 are provided at the bottom of the valve 6. The bottom of the valve 6 is connected to the sand box 7. One side of the sand box 7 close to the center of the bottom groove 1 is fixedly connected to the expansion port 8, and the other side of the sand box 7 is fixedly connected to the blower 9. The expansion port 8 communicates with the blower 9 through the sand box 7. The top of the sand box 7 is fixedly connected to the bottom of the valve 6. The structure of the expansion port 8 is a "flared" structure. The horizontal center line of the expansion port 8 coincides with the horizontal center line of the blower 9. Open the valve 6 to allow the filtered sand to flow into the sand box 7. At the same time, start the blower 9. With the use of the expansion port 8, the sand can be blown out, so as to conduct a sand and wind impact test on the vehicle in the bottom groove 1. Through the cooperation of the annular guide rail 3 and the slider, the filter box 4 and the blower 9 can be moved, which is convenient to move the blower 9 to different positions of the vehicle, facilitating the simulation of sand and wind in different directions of the vehicle and improving the practicability of the device.

[0031] Working principle: When using this device, first, the device can be placed on an external horizontal plane through the bottom groove 1. By using the cooperation of the positioning holes 12 and external bolts, the mounting plate 11 can be fixed to the external horizontal plane to complete the installation of the device and enhance the stability of the bottom of the device. The bottom groove 1 is provided to load sand, facilitating the simulation of the scene of a vehicle in the desert. The notches provided at both ends of the bottom groove 1 are convenient for moving the vehicle into the bottom groove 1. The external sand supply pipeline can be connected to the device through the sand inlet pipe 5, enabling external sand to enter the filter box 4. The filter mesh plate 10 can be used to filter the sand entering the filter box 4 to prevent the test from being affected by too large sand grains. At the same time, by using the socket on the filter box 4, the filter mesh plate 10 can be taken out, which is convenient for cleaning the sand in the filter box 4 after the test and also for replacing filter mesh plates 10 with different diameters according to actual needs. Open the valve 6 to allow the filtered sand to flow into the sand box 7. At the same time, start the blower 9. With the use of the expansion port 8, the sand can be blown out, so as to conduct a sand and wind impact test on the vehicle in the bottom groove 1.

[0032] Through the cooperation of the annular guide rail 3 and the slider, the filter box 4 and the blower 9 can be moved, which is convenient to move the blower 9 to different positions of the vehicle, facilitating the simulation of sand and wind in different directions of the vehicle and improving the practicability of the device. One side of the filter box 4 is in contact with one side of the annular guide rail 3, so that the filter box 4 has a certain resistance when moving, which is convenient to fix the filter box 4 and the blower 9. The height of the annular guide rail 3 can be adjusted by using the lifting rod 2, which is convenient for the device to be applicable to vehicles of different heights.

[0033] The above content further elaborates on the present utility model in combination with specific embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model pertains, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, which should all be regarded as falling within the protection scope determined by the claims submitted for the present utility model.

Claims

1. A sand impact testing device for simulating a desert environment, comprising a bottom groove (1), both ends of the bottom groove (1) are provided with notches, and is characterized in that: A plurality of lifting rods (2) are fixedly connected to both sides of the bottom trough (1); the top ends of the plurality of lifting rods (2) are fixedly connected to the same annular guide rail (3); the inner side of the annular guide rail (3) is slidably connected to a filter box (4) via a slider; the top of the filter box (4) is connected to a sand inlet pipe (5); the bottom of the filter box (4) is fixedly connected to a valve (6); and a blowing assembly is provided at the bottom of the valve (6).

2. The sand impact testing device for simulating desert environment according to claim 1, characterized in that: The outer dimensions of the annular guide rail (3) match the outer dimensions of the bottom tank (1), and one side of the filter box (4) fits the inner side of the annular guide rail (3).

3. The sand impact testing device for simulating desert environment according to claim 2, characterized in that: The blowing assembly comprises a sand box (7), an expansion port (8) and a fan (9); the bottom of the valve (6) is connected to the sand box (7); one side of the sand box (7) close to the center of the bottom groove (1) is fixedly connected to the expansion port (8); the other side of the sand box (7) is fixedly connected to the fan (9); the expansion port (8) is connected to the fan (9) through the sand box (7).

4. The sand impact testing device for simulating desert environment according to claim 3 is characterized in that: The top of the sandbox (7) is fixedly connected to the bottom of the valve (6), the structure of the expansion opening (8) is a "trumpet-shaped" structure, and the horizontal center line of the expansion opening (8) coincides with the horizontal center line of the fan (9).

5. The sand impact testing device for simulating desert environment according to claim 4, characterized in that: The filter box (4) is composed of a box body and a box cover, and an opening is provided on the top of the box body. The box cover is movably connected to the opening of the box body, and the box cover is fixedly connected to the sand inlet pipe (5). The central axis of the sand inlet pipe (5) coincides with the vertical center line of the filter box (4).

6. The sand impact testing device for simulating desert environment according to claim 5, characterized in that: A socket is provided on one side of the filter box (4) close to the center of the bottom tank (1), and a filter screen plate (10) is plugged into the filter box (4) through the socket. The outer dimensions of the filter screen plate (10) match the inner dimensions of the filter box (4).

7. The sand impact testing device for simulating desert environment according to any one of claims 1 to 6, characterized in that: Both sides of the bottom groove (1) are fixedly connected with mounting plates (11), both ends of the mounting plates (11) are provided with positioning holes (12) penetrating the mounting plates (11), and the mounting plates (11) are symmetrical about the vertical center line of the bottom groove (1).

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