A mobile test platform for use in high wind speed environments

Abstract

The present invention discloses a mobile test platform for use in high-wind-speed environments, comprising a track, a running wheel assembly, a test platform, and an anti-overturning assembly disposed within a super-large tornado wind tunnel. The running wheel assembly and the anti-overturning assembly are mounted at the bottom of the test platform, the rubber running wheels of the running wheel assembly are rollingly mounted on the track, and the anti-overturning assembly engages with the track. The present invention increases the friction coefficient and reduces the chance of slipping by using rubber running wheels disposed on the track. At the same time, when a large overturning torque is generated within the super-large tornado wind tunnel, the anti-overturning assembly engages with the track to prevent the test platform from overturning in a high-wind-speed environment. The present invention has a simple structure and is easy to install. It can be used in a high-wind-speed tornado test environment and has high positioning accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of wind tunnels, and in particular to a mobile testing platform for use in high wind speed environments. Background Art

[0002] The mobile test platform is an important device used in tests. By placing the test equipment or test pieces on the test platform, test data can be collected during the movement of the platform, which plays an important role in tests that require mobility.

[0003] Currently, most commonly used test platforms are fixed, secured to the test area by bolts or columns, and are unable to meet the dynamic testing requirements of ultra-large tornado wind tunnels. Mobile platforms are primarily used in environments with natural wind speeds, and the difference in movement resistance between test and non-test conditions is minimal. When the test environment experiences high wind speeds, such as a complex tornado reaching 30m / s, the tornado's wind loads can create significant resistance and overturning moments on the platform. Test platforms can slip and tip over in such environments, significantly impacting test data. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a mobile test platform for use in high wind speed environments.

[0005] In order to solve the above technical problems, the present invention discloses a mobile test platform for use in high wind speed environments, including a track, a running wheel group, a test platform and an anti-overturning component arranged in a super-large tornado wind tunnel. The running wheel group and the anti-overturning component are installed at the bottom of the test platform, the rubber running wheels of the running wheel group are rollingly installed on the track, and the anti-overturning component is snap-fitted with the track.

[0006] Furthermore, it also includes a track fixing assembly, which includes a pressure block and bolts. The track is an I-rail. The pressure block is connected to the base through bolts, and the ends of the pressure block are pressed onto the wing plates on both sides of the bottom of the track.

[0007] Furthermore, the walking wheel group includes a rubber walking wheel, a motor drive assembly, a wheel frame and a wheel axle pivotally connected to the wheel frame, the motor drive assembly is connected to the wheel axle in a transmission manner, the wheel frame is installed at the bottom of the test platform, and the rubber walking wheel is installed between the wheel frame bearing seats on both sides of the wheel frame and is coaxially fixed to the wheel axle.

[0008] Furthermore, the wheel frame bearing seat includes a seat body, a left end cover, a right end cover and a wheel frame rolling bearing. The wheel frame rolling bearing cooperates with the wheel axle. The wheel frame rolling bearing is installed in the bearing hole of the seat body. The left end cover and the right end cover are installed on both sides of the seat body and abut against the wheel frame rolling bearing.

[0009] Furthermore, a lubricating oil nozzle connected to the bearing hole is provided on the seat body, and a sealing ring is provided between the left end cover, the right end cover and the wheel axle.

[0010] Furthermore, an anti-overturning assembly is installed on the lower side of the test platform, and the anti-overturning assembly includes a mounting seat and a guide wheel. The guide wheel is installed on the guide wheel mounting brackets on both sides of the mounting seat, and the guide wheel is rollingly connected to the side of the wing plate at the top of the track.

[0011] Furthermore, a pressure wheel is installed at the bottom of the guide wheel mounting frame, and the pressure wheel is rollingly connected to the bottom surface of the wing plate at the top of the track.

[0012] Furthermore, it also includes a pressure wheel up and down adjustment mechanism, which includes an adjusting screw, an upper pressure plate, an adjusting nut and a guide rod. The lower end of the adjusting screw is pivotally connected to the mounting seat, and the upper end is slidably connected to the upper pressure plate fixed on the test platform. The adjusting nut is threadedly connected to the adjusting screw to adjust the upper and lower positions of the adjusting screw. The bottom of the guide rod is fixed to the test platform, and the upper end is slidably connected to the upper pressure plate.

[0013] Furthermore, the pressure wheel up and down adjustment mechanism includes a tensioning spring, which is sleeved on the guide rod, with the lower end of the tensioning spring resting on the test platform and the upper end resting on the upper pressure plate.

[0014] Furthermore, a mounting shaft, a bushing and a pressure wheel rolling bearing are installed on the guide wheel mounting frame. The inner hole of the bushing is threadedly connected to the mounting shaft. The bushing is sleeved in the pressure wheel rolling bearing and limits the axial position of the pressure wheel rolling bearing. A lubrication channel for lubricating the pressure wheel rolling bearing is provided in the mounting shaft and the bushing.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] The present invention utilizes rubber running wheels mounted on the track to increase the coefficient of friction and reduce the chance of slippage. Furthermore, when a large tipping moment is generated within a super-large tornado wind tunnel, the anti-tip assembly engages with the track to prevent the test platform from tipping over in high wind speeds. This invention boasts a simple structure and easy installation, making it suitable for use in high-wind-speed tornado testing environments and offering high positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0018] Figure 1This is a schematic diagram of a front view of a mobile test platform for use in a high wind speed environment disclosed in an embodiment of the present invention;

[0019] Figure 2 A schematic top view of a mobile test platform for use in a high wind speed environment disclosed in an embodiment of the present invention;

[0020] Figure 3 for Figure 2 AA cross-sectional view of ;

[0021] Figure 4 for Figure 2 BB cross-sectional diagram;

[0022] Figure 5 for Figure 2 Schematic diagram of CC cross-section;

[0023] Figure 6 for Figure 3 A magnified schematic diagram of point A;

[0024] Figure 7 for Figure 5 Enlarged schematic diagram of point B.

[0025] Legend:

[0026] 1. Track; 11. Side of wing plate; 12. Bottom of wing plate; 2. Travel wheel assembly; 21. Rubber travel wheel; 22. Motor drive assembly; 23. Wheel frame; 24. Wheel axle; 25. Wheel frame bearing seat; 251. Seat body; 252. Left end cover; 253. Right end cover; 254. Wheel frame rolling bearing; 255. Lubricating nozzle; 256. Sealing ring; 3. Test platform; 5. Track fixing assembly; 51. Pressure block; 52. Bolt; 6. Anti-overturning assembly; 61. Mounting seat; 62. Guide wheel; 63. Guide wheel mounting frame; 64. Pressure wheel; 65. Bushing; 66. Pressure wheel rolling bearing; 67. Mounting shaft; 68. Lubrication channel; 7. Pressure wheel up and down adjustment mechanism; 71. Adjusting screw; 72. Upper pressure plate; 73. Adjusting nut; 74. Guide rod; 75. Tensioning spring. DETAILED DESCRIPTION

[0027] To facilitate understanding of the present invention, the present invention will be described in more comprehensive and detailed form below in conjunction with the accompanying drawings and preferred embodiments. However, the protection scope of the present invention is not limited to the following specific embodiments.

[0028] like Figure 1-7As shown, the present invention discloses a mobile test platform for use in a high wind speed environment, comprising a track 1, a running wheel group 2, a test platform 3 and an anti-overturning assembly 6 arranged in a super-large tornado wind tunnel. The running wheel group 2 and the anti-overturning assembly 6 are mounted on the bottom of the test platform 3. The rubber running wheel 21 of the running wheel group 2 is rollingly mounted on the track 1, and the anti-overturning assembly 6 is snap-fitted with the track 1. In order to achieve the fixation of the track 1, a track fixing assembly 5 is also included. The track fixing assembly 5 includes a pressure block 51 and a bolt 52. The track 1 is an I-shaped rail and can be directly made of an iron rail. The pressure block 51 is connected to the base by a bolt 52, and the ends of the pressure block 51 are pressed onto the wing plates on both sides of the bottom of the track 1. The rubber running wheel 21 of the running wheel group 2 is rollingly mounted on the track 1. The inner side of the rubber running wheel 21 is a steel wheel, and the outer side is fixedly sleeved with a rubber layer. The present invention utilizes rubber running wheels 21 on track 1 to increase the coefficient of friction and reduce the chance of slippage. Furthermore, when a large overturning moment is generated within a super-large tornado wind tunnel, the anti-overturning assembly 6 engages with track 1, preventing the test platform from tipping over in high wind speed environments. This simple structure and easy installation allow for use in high-wind-speed tornado testing environments, while also providing high positioning accuracy.

[0029] In this embodiment, the travel wheel assembly 2 further includes a motor drive assembly 22, a wheel frame 23, and an axle 24 pivotally connected to the wheel frame 23. The motor drive assembly 22 drives the axle 24 via a coupling. The wheel frame 23 is mounted on the bottom of the test platform 3 and has a Y-shaped fork structure. The rubber travel wheels 21 are mounted between the wheel frame bearing seats 25 on either side of the wheel frame 23 and are coaxially fixed to the axle 24. Two of the axles 24 of the four rubber travel wheels 21 are driven by the motor drive assembly 22. The wheel frame bearing seat 25 includes a seat body 251, a left end cap 252, a right end cap 253, and a wheel frame rolling bearing 254. The wheel frame rolling bearing 254 engages with the wheel axle 24 and is mounted within a bearing hole in the seat body 251. The left and right end caps 252 and 253 are bolted to either side of the seat body 251 and abut against the wheel frame rolling bearing 254, thereby limiting the axial position of the wheel frame rolling bearing 254.

[0030] In this embodiment, in order to achieve lubrication of the wheel frame rolling bearing 254, a lubricating oil nozzle 255 connected to the bearing hole is provided on the seat body 251 for regularly adding lubricating oil, and a sealing ring 256 is provided between the left end cover 252, the right end cover 253 and the wheel axle 24 to seal the wheel frame rolling bearing 254 and prevent external impurities from entering and interfering.

[0031] In this embodiment, the anti-overturning assembly 6 includes a mounting seat 61 and a guide wheel 62. The guide wheel 62 is mounted on a guide wheel mounting bracket 63 on both sides of the mounting seat 61. The guide wheel 62 is in rolling connection with the side surface 11 of the wing plate at the top of the track 1. The guide wheel 62 acts as a limiter and guide on both sides, thereby achieving a certain anti-overturning effect. At the same time, the guide wheel 62 can also play a role in motion guidance, thereby improving walking accuracy. A pressure wheel 64 is also installed at the bottom of the guide wheel mounting bracket 63. The pressure wheel 64 is in rolling connection with the bottom surface 12 of the wing plate at the top of the track 1. That is, the pressure wheel 64 moves upward from the bottom of the bottom surface 12 of the wing plate at the top of the track 1, thereby forming a technical effect of "grasping" the track 1, further improving the anti-overturning effect.

[0032] In this embodiment, in order to adjust the clamping force of the pressure wheel 64, a pressure wheel up and down adjustment mechanism 7 is also included. The pressure wheel up and down adjustment mechanism 7 includes an adjusting screw 71, an upper pressure plate 72, an adjusting nut 73 and a guide rod 74. The lower end of the adjusting screw 71 is pivotally connected to the mounting seat 61, and the upper end is slidably connected to the upper pressure plate 72 fixed to the test platform 3. The adjusting nut 73 is threadedly connected to the adjusting screw 71 to adjust the upper and lower positions of the adjusting screw 71. During adjustment, it is only necessary to rotate the adjusting nut 73 to adjust the upper and lower positions of the mounting seat 61, thereby adjusting the degree of clamping of the pressure wheel 64 on the mounting seat 61. The bottom of the guide rod 74 is fixed to the test platform 3, and the upper end is slidably connected to the upper pressure plate 72. At the same time, in order to realize the installation of the pressure wheel 64, the guide wheel mounting frame 63 is installed with a mounting shaft 67, a sleeve 65 and a pressure wheel rolling bearing 66. The inner hole of the sleeve 65 is threadedly connected to the mounting shaft 67. The sleeve 65 is sleeved in the pressure wheel rolling bearing 66 and limits the axial position of the pressure wheel rolling bearing 66. A lubrication channel 68 for lubricating the pressure wheel rolling bearing 66 is provided in the mounting shaft 67 and the sleeve 65. The lubrication channel 68 includes an axial lubrication hole arranged along the axial direction of the mounting shaft 67 and a radial lubrication hole arranged along the radial direction, so that the lubricating oil is guided into the pressure wheel rolling bearing 66 through the sleeve 65.

[0033] In this embodiment, in order to better buffer and absorb shock, the pressure wheel up and down adjustment mechanism 7 includes a tensioning spring 75, which is sleeved on the guide rod 74, and the lower end of the tensioning spring 75 abuts against the test platform 3, and the upper end abuts against the upper pressure plate 72.

[0034] Although the present invention has been disclosed above with reference to preferred embodiments, this is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, utilize the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the scope of protection of the technical solution of the present invention.

Claims

1. A mobile test platform for use in high wind speed environments, characterized in that: The invention comprises a track (1), a running wheel group (2), a test platform (3) and an anti-overturning assembly (6) arranged in a super-large tornado wind tunnel, wherein the running wheel group (2) and the anti-overturning assembly (6) are installed at the bottom of the test platform (3), the rubber running wheel (21) of the running wheel group (2) is rollingly installed on the track (1), and the anti-overturning assembly (6) is engaged with the track (1) by snapping. The anti-overturning assembly (6) includes a mounting seat (61) and a guide wheel (62), wherein the guide wheel (62) is mounted on a guide wheel mounting frame (63) on both sides of the mounting seat (61), and the guide wheel (62) is in rolling connection with the side surface (11) of the wing plate at the top of the track (1); a pressure wheel (64) is also mounted on the bottom of the guide wheel mounting frame (63), and the pressure wheel (64) is in rolling connection with the bottom surface (12) of the wing plate at the top of the track (1); and a pressure wheel up and down adjustment mechanism (7) is also included, wherein the pressure wheel is in rolling connection with the bottom surface (12) of the wing plate at the top of the track (1). The lower adjustment mechanism (7) includes an adjustment screw (71), an upper pressure plate (72), an adjustment nut (73) and a guide rod (74), wherein the lower end of the adjustment screw (71) is pivotally connected to the mounting seat (61), and the upper end is slidably connected to the upper pressure plate (72) fixed to the test platform (3); the adjustment nut (73) is threadedly connected to the adjustment screw (71) to adjust the upper and lower positions of the adjustment screw (71); the bottom of the guide rod (74) is fixed to the test platform (3), and the upper end is slidably connected to the upper pressure plate (72).

2. The mobile test platform for use in high wind speed environments according to claim 1, characterized in that: It also includes a track fixing assembly (5), the track fixing assembly (5) including a pressing block (51) and a bolt (52), the track (1) is an I-shaped rail, the pressing block (51) is connected to the base via the bolt (52), and the ends of the pressing block (51) are pressed onto the wing plates on both sides of the bottom of the track (1).

3. The mobile test platform for use in high wind speed environments according to claim 1, characterized in that: The traveling wheel assembly (2) comprises a motor drive assembly (22), a wheel frame (23) and a wheel axle (24) pivotally connected to the wheel frame (23); the motor drive assembly (22) is in transmission connection with the wheel axle (24); the wheel frame (23) is mounted on the bottom of the test platform (3); the rubber traveling wheel (21) is mounted between the wheel frame bearing seats (25) on both sides of the wheel frame (23) and is coaxially fixed to the wheel axle (24).

4. The mobile test platform for use in high wind speed environments according to claim 3, characterized in that: The wheel frame bearing seat (25) comprises a seat body (251), a left end cover (252), a right end cover (253) and a wheel frame rolling bearing (254). The wheel frame rolling bearing (254) cooperates with the wheel axle (24). The wheel frame rolling bearing (254) is installed in a bearing hole of the seat body (251). The left end cover (252) and the right end cover (253) are installed on both sides of the seat body (251) and abut against the wheel frame rolling bearing (254).

5. The mobile test platform for use in high wind speed environments according to claim 4, characterized in that: A lubricating oil nozzle (255) connected to the bearing hole is provided on the seat body (251), and a sealing ring (256) is provided between the left end cover (252), the right end cover (253) and the wheel shaft (24).

6. The mobile test platform for use in high wind speed environments according to claim 1, characterized in that: The pressure wheel up and down adjustment mechanism (7) includes a tensioning spring (75), which is sleeved on the guide rod (74), with the lower end of the tensioning spring (75) resting on the test platform (3) and the upper end resting on the upper pressure plate (72).

7. The mobile test platform for use in high wind speed environments according to claim 6, characterized in that: The guide wheel mounting frame (63) is provided with a mounting shaft (67), a shaft sleeve (65) and a pressure wheel rolling bearing (66); the inner hole of the shaft sleeve (65) is threadedly connected to the mounting shaft (67); the shaft sleeve (65) is sleeved in the pressure wheel rolling bearing (66) and axially limits the pressure wheel rolling bearing (66); a lubrication channel (68) for lubricating the pressure wheel rolling bearing (66) is provided in the mounting shaft (67) and the shaft sleeve (65).

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