Back supporting mechanism for wind tunnel experiment

Abstract

The utility model discloses a back support mechanism for a wind tunnel experiment, which comprises a support sleeve, a support device is arranged on the support sleeve, the support device comprises a connecting arm, a hinge arm, a bearing plate, a mounting plate and a side plate, the connecting arm is arranged on the support sleeve, the hinge arm is arranged on the connecting arm, the bearing plate is arranged on the hinge arm, and the mounting plate is arranged on the side plate. The mounting plate is arranged on the bearing plate in an attached mode, the two sets of side plates are installed on the two sides of the mounting plate, a clamping device is arranged on the bearing plate and comprises a clamping rod, a mounting rod, a shifting piece, a clamping sleeve, an inclined sliding block, a clamping block, a pushing ring and a transmission sleeve, the clamping rod is arranged on the bearing plate, the mounting rod is arranged on the clamping rod, and the shifting piece is arranged on the clamping sleeve. The shifting piece is arranged on the mounting rod, the clamping sleeve is arranged outside the clamping rod, and the inclined sliding block is arranged in the clamping sleeve, so that the technical problems that in the background technology, the structure is complex, rapid mounting and dismounting cannot be achieved, and height adjustment is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind tunnel experiments, and more specifically, to a back supporting mechanism for wind tunnel experiments. Background Art

[0002] In the prior art, a back support mechanism for wind tunnel experiments is a model support system used in wind tunnel experiments, which is mainly used to fix and support the experimental model to ensure that the model can stably withstand the effects of airflow in the wind tunnel. The existing back support mechanism for wind tunnel experiments has a relatively complex support structure for the experimental model. This complexity may result in a larger weight and volume of the support mechanism itself, increasing the cost and difficulty of the wind tunnel experiment. In addition, the complex structure may cause the support mechanism to generate unnecessary airflow disturbances in high-speed airflow, affecting the accuracy of the experimental results.

[0003] The existing back support mechanism for wind tunnel experiments cannot realize the rapid installation and removal of the experimental model. In wind tunnel experiments, the installation and removal of the experimental model are common operations, especially when conducting multiple sets of experiments or replacing the experimental model. However, the existing back support mechanism may require complex operation steps and a long time to complete the installation and removal of the model, which reduces the efficiency of the experiment;

[0004] The existing back support mechanism for wind tunnel experiments is not convenient for adjusting the height. In wind tunnel experiments, the height of the experimental model may affect the accuracy of the experimental results. Therefore, the height of the model needs to be adjusted according to the experimental requirements. However, the existing back support mechanism may lack flexible height adjustment function, or the adjustment process is cumbersome and requires more time and human resources, which limits the flexibility and efficiency of the experiment. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a back support mechanism for wind tunnel experiments to solve the technical problems mentioned in the background art, such as complex structure, inability to quickly install and disassemble, and inconvenient height adjustment.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a back support mechanism for a wind tunnel experiment, comprising a support sleeve, a support device is arranged on the support sleeve, the support device comprises a connecting arm, a hinged arm, a receiving plate, a mounting plate and a side plate, the connecting arm is arranged on the support sleeve, the hinged arm is arranged on the connecting arm, the receiving plate is arranged on the hinged arm, the mounting plate is fittedly arranged on the receiving plate, the side plate is provided with two groups of mountings on both sides of the mounting plate, a clamping device is arranged on the receiving plate, the clamping device comprises a clamping rod, a mounting rod, a paddle, a clamping sleeve, an inclined sliding block, a clamping block, a push ring and a transmission sleeve, the clamping rod is arranged on the receiving plate, the mounting rod is arranged on the clamping rod, the paddle is arranged on the mounting rod, the clamping sleeve is arranged outside the clamping rod, the inclined sliding block is arranged in the clamping sleeve, the clamping block is arranged on the inclined sliding block, the push ring is arranged on the clamping rod, and the transmission sleeve is arranged on the clamping sleeve.

[0009] The utility model is further configured such that the support device is provided with fastening bolts, and the fastening bolts are arranged in multiple groups. The connection points of the support sleeve, the connecting arm, the hinged arm and the receiving plate are all connected by the fastening bolts. The multiple groups of fastening bolts improve the overall rigidity and stability of the support device.

[0010] The utility model is further configured such that a plurality of groups of paddles are provided, and the plurality of groups of paddles are rotatably mounted on the mounting rod, and springs are connected between the plurality of groups of paddles and the mounting rod, and the rebound ability of the springs ensures automatic resetting of the paddles, thereby simplifying the operation process and improving the experimental efficiency.

[0011] The utility model is further configured such that an inclined slide groove is provided in the clamping sleeve, the inclined slide groove is provided in multiple groups, and the inclined sliding blocks are provided in multiple groups and are all slidably installed in the inclined slide groove. The multiple groups of inclined slide grooves enhance the stability and durability of the clamping device, making the fixation of the model in the wind tunnel more precise and reliable.

[0012] The utility model is further configured such that a clearance groove is provided on the clamping sleeve, and the clearance groove is provided in multiple groups, and connecting rods are slidably arranged in the multiple groups of the clearance grooves, and push rings and transmission sleeves are connected at both ends of the multiple groups of connecting rods. The multiple groups of the clearance grooves make the movement of the connecting rod smoother, thereby improving the operating convenience and response speed of the clamping device.

[0013] The utility model is further configured that a control sleeve is rotatably provided on the clamping sleeve, and the control sleeve is threadedly connected to the transmission sleeve. The design of the control sleeve makes the operation of the clamping device more intuitive and accurate.

[0014] The utility model is further configured such that a lifting device is provided on the support sleeve, and the lifting device includes a lifting rod, a lifting sleeve, a base frame, a positioning hole and a positioning bolt. The lifting rod is fixedly mounted on the bottom end of the support sleeve, and the lifting sleeve is slidably mounted on the outer wall of the lifting rod. The base frame is arranged at the bottom end of the lifting sleeve. The positioning holes are provided with multiple groups arranged on the lifting rod and the lifting sleeve, and the positioning bolts are inserted into the positioning holes. By inserting the positioning bolts into the positioning holes, the height of the equipment can be adjusted.

[0015] The utility model is further configured that the base frames are provided with multiple groups, and the multiple groups of base frames are installed on the outer wall of the lifting sleeve. The configuration of the multiple groups of base frames improves the load-bearing capacity and stability of the lifting device.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a back support mechanism for wind tunnel experiments, which has the following beneficial effects:

[0018] 1. The design of the support device allows the user to achieve stable support for the experimental model through the structure of connecting arms, articulated arms and receiving plates. This design can ensure that the experimental model can stably withstand the airflow in the wind tunnel and reduce vibration and displacement during the experiment. At the same time, the setting of the side panels can further increase the stability of the support and prevent the model from moving sideways in high-speed airflow. The use of fastening bolts can ensure a firm connection between the components and improve the overall stability of the support device.

[0019] 2. The design of the clamping device allows the user to drive the transmission sleeve by rotating the control sleeve, thereby driving the movement of the push ring and the inclined slider to fix the mounting plate. This design can quickly and conveniently fix the mounting plate and improve the efficiency of the experimental operation. At the same time, the setting of the clamp block and the paddle can provide additional stability and safety, ensuring the stability of the experimental model in high-speed airflow.

[0020] 3. The design of the lifting device allows the user to drive the movement of the lifting rod and the lifting sleeve by pulling the support sleeve to adjust the height of the equipment. This design can easily adjust the height of the support device to meet the needs of different experimental models. At the same time, the setting of the positioning holes and positioning bolts can ensure the stability and accuracy of the support device during the adjustment process and improve the reliability of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a back support mechanism for a wind tunnel experiment in the utility model;

[0022] Figure 2 It is a structural schematic diagram of the support device in the utility model;

[0023] Figure 3 This is a structural cross-sectional view of the clamping device in the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the clamping rod in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the lifting device in the utility model.

[0026] In the figure: 1. support sleeve; 2. connecting arm; 3. articulated arm; 4. receiving plate; 5. mounting plate; 6. side plate; 7. clamping rod; 8. mounting rod; 9. paddle; 10. clamping sleeve; 11. inclined sliding block; 12. clamping block; 13. push ring; 14. transmission sleeve; 15. fastening bolt; 16. spring; 17. inclined sliding groove; 18. giving way groove; 19. connecting rod; 20. control sleeve; 21. lifting rod; 22. lifting sleeve; 23. base frame; 24. positioning hole; 25. positioning bolt. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0030] See also Figure 1-5A back support mechanism for a wind tunnel experiment comprises a support sleeve 1, a support device is arranged on the support sleeve 1, the support device comprises a connecting arm 2, an articulated arm 3, a receiving plate 4, a mounting plate 5 and a side plate 6, the connecting arm 2 is arranged on the support sleeve 1, the articulated arm 3 is arranged on the connecting arm 2, the receiving plate 4 is arranged on the articulated arm 3, the mounting plate 5 is arranged on the receiving plate 4, the side plate 6 is provided with two groups of mounting on both sides of the mounting plate 5, the receiving plate 4 is provided with a clamping device, the clamping device It includes a clamping rod 7, a mounting rod 8, a paddle 9, a clamping sleeve 10, an inclined sliding block 11, a clamping block 12, a push ring 13 and a transmission sleeve 14. The clamping rod 7 is arranged on the receiving plate 4, the mounting rod 8 is arranged on the clamping rod 7, the paddle 9 is arranged on the mounting rod 8, the clamping sleeve 10 is arranged outside the clamping rod 7, the inclined sliding block 11 is arranged inside the clamping sleeve 10, the clamping block 12 is arranged on the inclined sliding block 11, the push ring 13 is arranged on the clamping rod 7, and the transmission sleeve 14 is arranged on the clamping sleeve 10.

[0031] The support device is provided with fastening bolts 15, and multiple groups of fastening bolts 15 are arranged. The joints of the support sleeve 1, the connecting arm 2, the articulated arm 3 and the receiving plate 4 are all connected by the fastening bolts 15. The fastening bolts 15 are used to connect the support sleeve 1, the connecting arm 2, the articulated arm 3 and the receiving plate 4 and other components to ensure the stability of the entire support device. The multiple groups of fastening bolts 15 improve the overall rigidity and stability of the support device, making the support of the experimental model in the wind tunnel more reliable.

[0032] There are multiple groups of paddles 9, and the multiple groups of paddles 9 are rotatably mounted on the mounting rod 8. Springs 16 are connected between the multiple groups of paddles 9 and the mounting rod 8. The multiple groups of paddles 9 are rotatably mounted on the mounting rod 8 and connected by the springs 16 to form a mechanical structure that can be compressed and rebounded. When the paddles 9 contact the block 12, the movement of the block 12 can be achieved by compression of the spring 16. The rebound ability of the spring 16 ensures the automatic resetting of the paddles 9, simplifies the operation process, and improves the experimental efficiency.

[0033] An inclined slide groove 17 is provided in the clamping sleeve 10, and there are multiple groups of inclined slide grooves 17. There are multiple groups of inclined sliding blocks 11, all of which are slidably installed in the inclined slide groove 17. The design of the inclined slide groove 17 allows the inclined sliding block 11 to slide inside it. This structure allows the inclined sliding block 11 to move along the direction of the inclined slide groove 17 when it is subjected to thrust. The multiple groups of inclined slide grooves 17 enhance the stability and durability of the clamping device, making the fixation of the model in the wind tunnel more precise and reliable.

[0034] A clearance groove 18 is provided on the clamping sleeve 10, and there are multiple groups of the clearance grooves 18. Connecting rods 19 are slidably arranged in the multiple groups of the clearance grooves 18. The two ends of the multiple groups of connecting rods 19 are connected to the push ring 13 and the transmission sleeve 14. The clearance grooves 18 are set to accommodate the sliding of the connecting rods 19. The two ends of the connecting rods 19 are connected to the push ring 13 and the transmission sleeve 14. Through this design, the relative movement of the push ring 13 and the transmission sleeve 14 can be achieved. The multiple groups of the clearance grooves 18 make the movement of the connecting rod 19 smoother, thereby improving the operational convenience and response speed of the clamping device.

[0035] A control sleeve 20 is rotatably provided on the clamping sleeve 10, and the control sleeve 20 is threadedly connected to the transmission sleeve 14. The control sleeve 20 interacts with the transmission sleeve 14 through the threaded connection. Rotating the control sleeve 20 can drive the transmission sleeve 14 to move, and then act on the inclined slider 11 through the connecting rod 19 and the push ring 13. The design of the control sleeve 20 makes the operation of the clamping device more intuitive and precise. The user can fix and release the model through a simple rotation action, which improves the convenience and efficiency of the experimental operation.

[0036] A lifting device is provided on the support sleeve 1, and the lifting device includes a lifting rod 21, a lifting sleeve 22, a base frame 23, a positioning hole 24 and a positioning bolt 25. The lifting rod 21 is fixedly installed at the bottom end of the support sleeve 1, and the lifting sleeve 22 is slidably installed on the outer wall of the lifting rod 21. The base frame 23 is set at the bottom end of the lifting sleeve 22. There are multiple groups of positioning holes 24 set on the lifting rod 21 and the lifting sleeve 22. The positioning bolt 25 is inserted into the positioning hole 24. The support sleeve 1 is pulled upward to drive the lifting rod 21 to slide along the lifting sleeve 22. After the lifting rod 21 is raised to a suitable height, the lifting rod 21 is aligned with the positioning hole 24 set on the lifting sleeve 22, and then the positioning bolt 25 is inserted into the positioning hole 24 to complete the adjustment of the height of the equipment.

[0037] There are multiple groups of base frames 23, which are installed on the outer wall of the lifting sleeve 22 to provide additional support and stability for the lifting device. The setting of multiple groups of base frames 23 improves the carrying capacity and stability of the lifting device, making the supporting device more stable and reliable when adjusting the height.

[0038] In this embodiment, the experimental model is installed and connected with the mounting plate 5, and then the side plates 6 arranged on both sides of the mounting plate 5 are abutted against the receiving plate 4, and the clamping sleeve 10 is inserted into the clamping rod 7 at the same time, and the multiple groups of paddles 9 are in contact with the multiple groups of card blocks 12. The multiple groups of paddles 9 are pressed down and the spring 16 is squeezed by the inclined surface arranged on the card block 12. When the paddles 9 move to the top of the card block 12, the multiple groups of paddles 9 and the card block 12 are both provided with rounded corners, and the paddles 9 are reset by the rebound of the spring 16, so that the multiple groups of paddles 9 are abutted against the clamping sleeve 10, and then the control sleeve 20 is rotated, and the control sleeve 20 and the transmission sleeve 20 are connected. The threaded cooperation of the sleeve 14 drives the transmission sleeve 14 to move, and the transmission sleeve 14 drives the push ring 13 to top-connect and fix the multiple groups of inclined sliding blocks 11 through the connecting rod 19, so as to complete the fixation of the mounting plate 5. When the clamping sleeve 10 needs to be disassembled, the control sleeve 20 is rotated in the opposite direction to drive the transmission sleeve 14 to move, and the transmission sleeve 14 drives the push ring 13 to disengage from the multiple groups of inclined sliding blocks 11, and then the clamping rod 7 is pulled outward, and the clamping block 12 is pushed by the paddle 9. The clamping block 12 drives the inclined sliding block 11 to move along the inclined sliding groove 17, so that the inclined sliding block 11 is separated from the end surface of the clamping rod 7, and then the clamping rod 7 can be pulled out of the clamping sleeve 10.

[0039] Please refer to the figure, as an implementation method of a back support mechanism for a wind tunnel experiment of a lifting device: a lifting device is arranged on the support sleeve 1, and the lifting device includes a lifting rod 21, a lifting sleeve 22, a base frame 23, a positioning hole 24 and a positioning bolt 25. The lifting rod 21 is fixedly installed at the bottom end of the support sleeve 1, the lifting sleeve 22 is slidably installed on the outer wall of the lifting rod 21, the base frame 23 is arranged at the bottom end of the lifting sleeve 22, and the positioning holes 24 are provided with multiple groups arranged on the lifting rod 21 and the lifting sleeve 22, and the positioning bolts 25 are inserted into the positioning holes 24.

[0040] There are multiple groups of base frames 23 , and the multiple groups of base frames 23 are installed on the outer wall of the lifting sleeve 22 .

[0041] More specifically, when the height of the support sleeve 1 needs to be adjusted, the support sleeve 1 is pulled upward to drive the lifting rod 21 to slide along the lifting sleeve 22. After the lifting rod 21 is raised to a suitable height, the lifting rod 21 is aligned with the positioning hole 24 set on the lifting sleeve 22, and then the positioning bolt 25 is inserted into the positioning hole 24 to complete the height adjustment of the equipment.

[0042] In summary, when the overall device is in use or running: the experimental model is installed and connected to the mounting plate 5, and then the side plates 6 set on both sides of the mounting plate 5 are abutted against the receiving plate 4, and the clamping sleeve 10 is inserted into the clamping rod 7 at the same time, and multiple groups of paddles 9 are in contact with multiple groups of card blocks 12, and the multiple groups of paddles 9 are pressed down and the spring 16 is squeezed by the inclined surface set on the card block 12. When the paddles 9 move to the top of the card block 12, the multiple groups of paddles 9 and the card block 12 are both provided with rounded corners, and the paddles 9 are reset by the rebound of the spring 16, so that the multiple groups of paddles 9 are abutted against the clamping sleeve 10, and then the control sleeve 20 is rotated, and the control sleeve 20 is threadedly matched with the transmission sleeve 14 to drive the transmission sleeve 14 to move. The transmission sleeve 14 drives the push ring 13 to top-connect and fix the multiple groups of inclined sliding blocks 11 through the connecting rod 19, so as to complete the fixation of the mounting plate 5. When the clamping sleeve 10 needs to be disassembled, the control sleeve 20 is rotated in the opposite direction to drive the transmission sleeve 14 to move. The transmission sleeve 14 drives the push ring 13 to disengage from the multiple groups of inclined sliding blocks 11, and then the clamping rod 7 is pulled outward, and the clamping block 12 is pushed by the paddle 9. The clamping block 12 drives the inclined sliding block 11 to move along the inclined sliding groove 17, so that the inclined sliding block 11 is separated from the end surface of the clamping rod 7, and then the clamping rod 7 can be pulled out of the clamping sleeve 10.

[0043] When the height of the support sleeve 1 needs to be adjusted, the support sleeve 1 is pulled upward to drive the lifting rod 21 to slide along the lifting sleeve 22. After the lifting rod 21 is raised to a suitable height, the lifting rod 21 is aligned with the positioning hole 24 set on the lifting sleeve 22, and then the positioning bolt 25 is inserted into the positioning hole 24 to complete the height adjustment of the equipment.

[0044] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A back support mechanism for wind tunnel experiments, comprising a support sleeve (1), characterized in that: The support sleeve (1) is provided with a support device, and the support device comprises a connecting arm (2), an articulated arm (3), a receiving plate (4), a mounting plate (5) and a side plate (6); the connecting arm (2) is arranged on the support sleeve (1); the articulated arm (3) is arranged on the connecting arm (2); the receiving plate (4) is arranged on the articulated arm (3); the mounting plate (5) is arranged in a close contact with the receiving plate (4); the side plate (6) is provided with two groups of mounting plates on both sides of the mounting plate (5); the receiving plate (4) is provided with a clamping device, and the clamping device comprises a clamping rod (7), a mounting rod (8), A paddle (9), a clamping sleeve (10), an inclined sliding block (11), a clamping block (12), a push ring (13) and a transmission sleeve (14); the clamping rod (7) is arranged on the receiving plate (4); the mounting rod (8) is arranged on the clamping rod (7); the paddle (9) is arranged on the mounting rod (8); the clamping sleeve (10) is arranged outside the clamping rod (7); the inclined sliding block (11) is arranged inside the clamping sleeve (10); the clamping block (12) is arranged on the inclined sliding block (11); the push ring (13) is arranged on the clamping rod (7); and the transmission sleeve (14) is arranged on the clamping sleeve (10).

2. A back support mechanism for wind tunnel experiment according to claim 1, characterized in that: The support device is provided with a fastening bolt (15), and the fastening bolt (15) is provided in multiple groups. The connection points of the support sleeve (1), the connecting arm (2), the hinged arm (3) and the receiving plate (4) are all connected via the fastening bolt (15).

3. The back support mechanism for wind tunnel experiment according to claim 1, characterized in that: The paddles (9) are provided in a plurality of groups, and the plurality of groups of paddles (9) are all rotatably mounted on the mounting rod (8), and springs (16) are connected between the plurality of groups of paddles (9) and the mounting rod (8).

4. The back support mechanism for wind tunnel experiment according to claim 1, characterized in that: An inclined slide groove (17) is provided in the clamping sleeve (10), and the inclined slide groove (17) is provided with multiple groups. The inclined sliding block (11) is provided with multiple groups and all are slidably installed in the inclined slide groove (17).

5. The back support mechanism for wind tunnel experiment according to claim 4, characterized in that: The clamping sleeve (10) is provided with a plurality of relief grooves (18), and the plurality of relief grooves (18) are provided with connecting rods (19) slidably arranged in the plurality of relief grooves (18). The two ends of the plurality of connecting rods (19) are connected to the push ring (13) and the transmission sleeve (14).

6. A back support mechanism for wind tunnel experiment according to claim 5, characterized in that: A control sleeve (20) is rotatably provided on the clamping sleeve (10), and the control sleeve (20) is threadedly connected to the transmission sleeve (14).

7. The back support mechanism for wind tunnel experiment according to claim 1, characterized in that: The support sleeve (1) is provided with a lifting device, the lifting device comprising a lifting rod (21), a lifting sleeve (22), a base frame (23), a positioning hole (24) and a positioning bolt (25); the lifting rod (21) is fixedly mounted on the bottom end of the support sleeve (1); the lifting sleeve (22) is slidably mounted on the outer wall of the lifting rod (21); the base frame (23) is arranged at the bottom end of the lifting sleeve (22); a plurality of positioning holes (24) are arranged on the lifting rod (21) and the lifting sleeve (22); and the positioning bolt (25) is inserted into the positioning hole (24).

8. The back support mechanism for wind tunnel experiment according to claim 7, characterized in that: The base frames (23) are provided in multiple groups, and the multiple groups of the base frames (23) are installed on the outer wall of the lifting sleeve (22).

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