CN112326190B - Insect flapping wing model experiment platform based on towing water tank - Google Patents
Insect flapping wing model experiment platform based on towing water tank Download PDFInfo
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- CN112326190B CN112326190B CN202011190921.0A CN202011190921A CN112326190B CN 112326190 B CN112326190 B CN 112326190B CN 202011190921 A CN202011190921 A CN 202011190921A CN 112326190 B CN112326190 B CN 112326190B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
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Abstract
The invention relates to an insect flapping wing model experiment platform based on a towing water tank, which comprises a water tank, wherein the upper part of the water tank is provided with a horizontal sliding rail arranged along the length direction of the water tank, a horizontal sliding block and a first driving mechanism are arranged on the horizontal sliding rail, and the first driving mechanism is connected with the horizontal sliding block and can control the horizontal sliding block to slide along the horizontal sliding rail; a vertical sliding rail is fixedly arranged on the horizontal sliding block and can slide along with the horizontal sliding block, a vertical sliding block and a second driving mechanism are arranged on the vertical sliding rail, and the second driving mechanism is connected with the vertical sliding block and can control the vertical sliding block to slide along the vertical sliding rail; the vertical sliding block is used for fixedly mounting the flapping wing mechanism. The flapping wing mechanism is arranged on the motion track on the upper portion of the water tank, and the model wings are driven by the motors of the motion track to move in multiple modes, so that various motion modes of hovering, flying before a constant speed, flying before a variable speed, climbing at a constant speed, climbing at a variable speed and the like of the simulated insect are realized.
Description
Technical Field
The utility model relates to a flapping wing flight simulation experiment technical field especially relates to insect flapping wing model experiment platform based on drag basin.
Background
The traditional large aircraft cannot meet the requirements in specific scenes due to the limitation of the size and the maneuverability of the traditional large aircraft, such as indoor and outdoor monitoring, exploration, disaster relief and the like in the civil field; reconnaissance and detection, tracking and anti-tracking, interference and attack, and the like in military operations. Until the end of the twentieth century, Micro Air Vehicles (MAV) were first proposed by the United states Defense Advanced Research Program Agency (DARPA) to make insect flapping flight a research hotspot based on the development of Micro-Electro-Mechanical Systems (MEMS) and the deep research on biological flight mechanism. Miniature aircraft requires small-size, high mobility, long duration, and with traditional fixed wing and rotor mode contrast, the flapping wing mode is more suitable for miniature aircraft of small-size, therefore the pneumatic mechanism of insect flight is awaited urgent research.
Because the flapping frequency of the insects is high and the flying state is changeable in the flying process, the difficulty of directly researching the flying mechanism of the insects from living observation is high. In order to further study the flying mechanism of the insect flapping wing, researchers adopt a model experiment mode, and realize the flapping wing motion rule of the insect by driving the model wing, so that the pneumatic information such as flow field, stress and the like in the insect flapping wing process is obtained.
The insects adopt various motion forms such as hovering, flying ahead at a constant speed, flying ahead at a variable speed, climbing and the like in flight. The existing flapping wing model experiment table is limited by a platform, and most of the existing flapping wing model experiment tables can only simulate one motion form. If the model is placed in a wind tunnel or a water tunnel, a uniform forward flight mode is simulated by adjusting the speed of airflow or water flow; or placing the model in a static water tank to simulate the hovering mode.
Therefore, the application provides an insect flapping wing model experiment platform based on a towing water tank.
Disclosure of Invention
To address at least one of the above technical problems, the present disclosure provides a towed water tank based insect flapping wing model experimental platform.
The technical scheme adopted by the invention is as follows:
the insect flapping wing model experiment platform based on the towing water tank comprises a water tank, wherein a horizontal sliding rail arranged along the length direction of the water tank is arranged at the upper part of the water tank, a horizontal sliding block and a first driving mechanism are mounted on the horizontal sliding rail, and the first driving mechanism is connected with the horizontal sliding block and can control the horizontal sliding block to slide along the horizontal sliding rail;
a vertical sliding rail is fixedly arranged on the horizontal sliding block and can slide along with the horizontal sliding block, a vertical sliding block and a second driving mechanism are arranged on the vertical sliding rail, and the second driving mechanism is connected with the vertical sliding block and can control the vertical sliding block to slide along the vertical sliding rail;
the vertical sliding block is used for fixedly mounting the flapping wing mechanism.
Preferably, the first driving mechanism comprises a first motor and a first screw rod, an output shaft of the first motor is connected with the first screw rod, and the first screw rod is in threaded connection with the horizontal sliding block and can control the horizontal sliding block to slide along the horizontal sliding rail;
the second driving mechanism comprises a second motor and a second screw rod, an output shaft of the second motor is connected with the second screw rod, and the second screw rod is in threaded connection with the vertical sliding block and can control the vertical sliding block to slide along the vertical sliding rail.
Preferably, the first motor is mounted at one end of the horizontal slide rail, the other end of the horizontal slide rail is fixedly mounted with a first rotating support seat, and the end of the first screw rod extends into the first rotating support seat and can rotate relative to the first rotating support seat; the second motor is installed at the top of the vertical sliding rail, a second rotating supporting seat is fixedly installed at the bottom of the vertical sliding rail, and the bottom of the second screw rod extends into the second rotating supporting seat and can rotate relative to the second rotating supporting seat.
Preferably, a third rotating support seat is mounted at the end part, close to the first motor, of the horizontal slide rail, and the first screw penetrates through the third rotating support seat and can rotate relative to the third rotating support seat; and a fourth rotating support seat is installed at the top of the vertical slide rail, and the second screw rod penetrates through the fourth rotating support seat and can rotate relative to the fourth rotating support seat.
Preferably, a bearing is arranged in the first rotating support seat, and the end of the first screw rod is fixedly connected with the bearing; a bearing is arranged in the second rotary supporting seat, and the bottom of the second screw rod is fixedly connected with the bearing; a bearing is arranged in the rotary supporting seat III, and the screw rod I is fixedly connected with the bearing; and a bearing is arranged in the rotary supporting seat IV, and the screw rod II is fixedly connected with the bearing.
Preferably, a horizontal limiting groove is formed in the horizontal sliding rail along the length of the horizontal sliding rail, correspondingly, the horizontal sliding block is provided with a horizontal limiting bulge, and the horizontal limiting bulge is located in the horizontal limiting groove and matched with the horizontal limiting groove; vertical spacing grooves are formed in the vertical sliding rails along the length of the vertical sliding rails, correspondingly, the vertical sliding blocks are provided with vertical spacing protrusions, and the vertical spacing protrusions are located in the vertical spacing grooves and are matched with the vertical spacing grooves.
Preferably, the sink further comprises a horizontal supporting beam, the upper part of the sink is provided with two parallel horizontal sliding rails with the same height, the two parallel horizontal sliding rails are arranged along the length direction of the sink, two ends of the horizontal supporting beam are respectively and correspondingly and fixedly connected with the horizontal sliding blocks on the two horizontal sliding rails, and the vertical sliding rails are fixedly connected with the horizontal supporting beam.
In summary, the flapping wing mechanism is arranged on the motion track on the upper portion of the water tank, and the model wings are driven to move in various ways through the motors of the motion track, so that various motion modes of hovering, flying ahead at a constant speed, flying ahead at a variable speed, climbing at a constant speed, climbing at a variable speed and the like of the insect are simulated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is an enlarged view at D of FIG. 1;
FIG. 6 is an enlarged view at E in FIG. 1;
FIG. 7 is an enlarged view at F of FIG. 1;
FIG. 8 is a schematic view of the vertical slide rail, vertical slide block and flapping wing mechanism of the present invention;
FIG. 9 is a side view of the horizontal slide rail of the present invention engaged with a horizontal slide block;
FIG. 10 is a side view of the horizontal slide of the present invention;
FIG. 11 is a top view of the vertical slide rail and vertical slide block of the present invention in cooperation;
fig. 12 is a top view of the vertical slide of the present invention.
The labels in the figure are: the flapping wing aircraft comprises a water tank 1, a horizontal sliding rail 2, a horizontal sliding block 3, a vertical sliding rail 4, a vertical sliding block 5, a flapping wing mechanism 6, a motor I7, a screw I8, a screw II 9, a screw II 10, a rotary support seat I11, a rotary support seat II 12, a rotary support seat III 13, a rotary support seat IV 14, a horizontal limiting groove 15, a horizontal limiting bulge 16, a vertical limiting groove 17, a vertical limiting bulge 18, a horizontal supporting beam 19, a motor 20, a transmission rod 21, a model wing 22 and a gear mechanism 23.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As shown in fig. 1 to 12, the insect flapping wing model experiment platform based on the towed water tank comprises a water tank 1, wherein a horizontal sliding rail 2 arranged along the length direction of the water tank 1 is arranged at the upper part of the water tank 1, a horizontal sliding block 3 and a first driving mechanism are arranged on the horizontal sliding rail 2, and the first driving mechanism is connected with the horizontal sliding block 3 and can control the horizontal sliding block 3 to horizontally slide along the horizontal sliding rail 2; specifically, the first driving mechanism comprises a first motor 7 and a first screw 8, an output shaft of the first motor 7 is connected with the first screw 8, and the first screw 8 is in threaded connection with the horizontal sliding block 3 and can control the horizontal sliding block 3 to slide along the horizontal sliding rail 2;
a vertical slide rail 4 is fixedly arranged on the horizontal slide block 3 and can slide along with the horizontal slide block 3, a vertical slide block 5 and a driving mechanism II are arranged on the vertical slide rail 4, and the driving mechanism II is connected with the vertical slide block 5 and can control the vertical slide block 5 to vertically slide along the vertical slide rail 4; specifically, the second driving mechanism comprises a second motor 9 and a second screw 10, an output shaft of the second motor 9 is connected with the second screw 10, and the second screw 10 is in threaded connection with the vertical sliding block 5 and can control the vertical sliding block 5 to slide along the vertical sliding rail 4;
the vertical sliding block 5 is used for fixedly mounting the flapping wing mechanism 6, the flapping wing mechanism 6 in the application can realize that the model wing 22 simulates the flapping wing motion rule of the insect, in the embodiment, the flapping wing mechanism 6 comprises a motor 20, a transmission rod 21, the model wing 22 and a gear mechanism 23, the model wing 22 is positioned at the bottom of the flapping wing mechanism 6, the motor 20 rotates and transmits the rotation motion to the model wing 22 through the transmission rod 21 and the gear mechanism 23, and then the model wing 22 is controlled to realize the flapping wing motion rule of the insect, the working principle and the structural composition of the flapping wing mechanism 6 are protected by the prior application of the applicant, the prior application is named as a parallel differential type two-degree-of-freedom flapping wing mechanism 6, the application number is CN202010772502.1, and the side weight protection point of the application is on an experimental platform; the flume 1 provides a fluid movement environment for the flapping wing structure, and the model wings 22 are positioned in the fluid in the flume 1; in this application, the horizontal direction is the X direction, and the vertical direction is the Y direction, and when model wing 22 is at rest and in a horizontal state, the length direction is the Z direction.
Furthermore, the water tank also comprises a horizontal supporting beam 19, the upper part of the water tank 1 is provided with two parallel horizontal sliding rails 2 with the same height which are arranged along the length direction of the water tank, two ends of the horizontal supporting beam 19 are respectively and correspondingly and fixedly connected with the horizontal sliding blocks 3 on the two horizontal sliding rails 2, and the vertical sliding rails 4 are fixedly connected with the horizontal supporting beam 19; set up two horizontal slide rail 2 and horizontal supporting beam 19, the structure is more stable reasonable for be connected between vertical slide rail 4 and the horizontal slide rail 2 more reliable and more stable, can transmit horizontal migration for vertical slide rail 4 more reliable and more stable.
The motor control for realizing various motion forms of insects is as follows:
1. a hovering state: and the first motors 7 of the two horizontal sliding rails 2 and the second motors 9 of the vertical sliding rails 4 are kept in an electrified and locked state.
2. Flying at a constant speed: the first motors 7 of the two horizontal sliding rails 2 keep the same rotating speed and the same rotating direction, and the second motors 9 of the vertical sliding rails 4 keep an electrified locking state.
3. Flying before speed change: the motors I7 of the two horizontal sliding rails 2 rotate at a variable rotating speed according to the same motion law, and the motors II 9 of the vertical sliding rails 4 keep an electrified locking state.
4. Climbing at a constant speed: the first motors 7 of the two horizontal slide rails 2 keep the same rotating speed and the same rotating direction, and the second motors 9 of the vertical slide rails 4 keep constant rotating speed.
5. Climbing at variable speed: the first motors 7 of the two horizontal sliding rails 2 rotate at a variable rotating speed according to the same motion rule, and the second motors 9 of the vertical sliding rails 4 rotate at a variable rotating speed.
Example 2
As shown in fig. 4 to 7, on the basis of embodiment 1, the first motor 7 is installed at one end of the horizontal sliding rail 2, the other end of the horizontal sliding rail 2 is fixedly installed with the first rotation support seat 11, and the end of the first screw 8 extends into the first rotation support seat 11 and can rotate relative to the first rotation support seat 11; the second motor 9 is installed at the top of the vertical slide rail 4, the second rotary support seat 12 is fixedly installed at the bottom of the vertical slide rail 4, and the bottom of the second screw rod 10 extends into the second rotary support seat 12 and can rotate relative to the second rotary support seat 12; furthermore, a bearing (not shown in the figure) is arranged in the rotary supporting seat I11, the end part of the screw rod I8 is fixedly connected with the bearing, a bearing (not shown in the figure) is arranged in the rotary supporting seat II 12, the bottom part of the screw rod II 10 is fixedly connected with the bearing, and the bearing is a rolling bearing; the first rotating support seat 11 can support the end portion of the first screw rod 8, the second rotating support seat 12 can support the bottom portion of the second screw rod 10, the first screw rod 8 and the second screw rod 10 can rotate more stably and reliably, and the arrangement of the bearings further guarantees that the first screw rod 8 and the second screw rod 10 can rotate smoothly relative to the rotating support seats.
Furthermore, a rotating support seat III 13 is mounted at the end part, close to the motor I7, of the horizontal slide rail 2, and the screw rod I8 penetrates through the rotating support seat III 13 and can rotate relative to the rotating support seat III 13; a fourth rotating support seat 14 is installed at the top of the vertical slide rail 4, and a second screw rod 10 penetrates through the fourth rotating support seat 14 and can rotate relative to the fourth rotating support seat 14; furthermore, a bearing (not shown in the figure) is arranged in the third rotary support seat 13, the first screw 8 is fixedly connected with the bearing, a bearing (not shown in the figure) is arranged in the fourth rotary support seat 14, the second screw 10 is fixedly connected with the bearing, and the bearing is a rolling bearing; the third rotating support seat 13 and the fourth rotating support seat 14 are respectively arranged at the joint close to the first motor 7 and the first screw rod 8 and the joint close to the second motor 9 and the second screw rod 10, the first screw rod 8 and the second screw rod 10 are limited, meanwhile, accidental shaking of the joint of the motors and the screw rods is avoided, the motors can stably and reliably transmit the rotating motion to the corresponding screw rods, and the bearings further ensure that the first screw rod 8 and the second screw rod 10 can smoothly rotate relative to the rotating support seats.
Example 3
As shown in fig. 2, 3, 9 to 12, on the basis of embodiment 1 or embodiment 2, a horizontal limiting groove 15 is formed along the length of the horizontal slide rail 2, and correspondingly, the horizontal slide block 3 has a horizontal limiting protrusion 16, and the horizontal limiting protrusion 16 is located in the horizontal limiting groove 15 and is adapted to the horizontal limiting groove 15; vertical slide rail 4 is last to be seted up vertical spacing groove 17 along its length, and correspondingly, vertical slider 5 has vertical spacing arch 18, and vertical spacing arch 18 is located vertical spacing inslot 17 and looks adaptation. The horizontal limiting groove 15 is matched with the horizontal limiting bulge 16, so that the horizontal sliding block 3 can be prevented from being separated from the horizontal sliding rail 2 accidentally, and the horizontal sliding rail 2 can be ensured to move along the horizontal sliding rail 2 safely and reliably; the cooperation of the vertical limiting groove 17 and the vertical limiting protrusion 18 can prevent the vertical sliding block 5 from accidentally separating from the vertical sliding rail 4, and ensure that the vertical sliding rail 4 safely and reliably moves along the vertical sliding rail 4.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (6)
1. Insect flapping wing model experiment platform based on towing water tank, its characterized in that: the water tank comprises a water tank (1), wherein a horizontal sliding rail (2) arranged along the length direction of the water tank (1) is arranged at the upper part of the water tank (1), a horizontal sliding block (3) and a first driving mechanism are installed on the horizontal sliding rail (2), and the first driving mechanism is connected with the horizontal sliding block (3) and controls the horizontal sliding block (3) to slide along the horizontal sliding rail (2);
a vertical sliding rail (4) is fixedly mounted on the horizontal sliding block (3) and slides along with the horizontal sliding block (3), a vertical sliding block (5) and a driving mechanism II are mounted on the vertical sliding rail (4), and the driving mechanism II is connected with the vertical sliding block (5) and controls the vertical sliding block (5) to slide along the vertical sliding rail (4);
a horizontal limiting groove (15) is formed in the horizontal sliding rail (2) along the length of the horizontal sliding rail, correspondingly, the horizontal sliding block (3) is provided with a horizontal limiting bulge (16), and the horizontal limiting bulge (16) is located in the horizontal limiting groove (15) and is matched with the horizontal limiting groove; a vertical limiting groove (17) is formed in the vertical sliding rail (4) along the length of the vertical sliding rail, correspondingly, the vertical sliding block (5) is provided with a vertical limiting bulge (18), and the vertical limiting bulge (18) is positioned in the vertical limiting groove (17) and is matched with the vertical limiting groove;
the vertical sliding block (5) is used for fixedly mounting the flapping wing mechanism (6).
2. The towed water trough based insect flapping wing model experimental platform of claim 1, wherein: the first driving mechanism comprises a first motor (7) and a first screw rod (8), an output shaft of the first motor (7) is connected with the first screw rod (8), and the first screw rod (8) is in threaded connection with the horizontal sliding block (3) and controls the horizontal sliding block (3) to slide along the horizontal sliding rail (2);
the driving mechanism II comprises a motor II (9) and a screw rod II (10), an output shaft of the motor II (9) is connected with the screw rod II (10), and the screw rod II (10) is in threaded connection with the vertical sliding block (5) and controls the vertical sliding block (5) to slide along the vertical sliding rail (4).
3. The towed water trough based insect flapping wing model experimental platform of claim 2, wherein: the first motor (7) is mounted at one end of the horizontal sliding rail (2), a first rotating support seat (11) is fixedly mounted at the other end of the horizontal sliding rail (2), and the end of the first screw rod (8) extends into the first rotating support seat (11) and rotates relative to the first rotating support seat (11); the motor II (9) is installed at the top of the vertical sliding rail (4), a rotary supporting seat II (12) is fixedly installed at the bottom of the vertical sliding rail (4), and the bottom of the screw rod II (10) extends into the rotary supporting seat II (12) and rotates relative to the rotary supporting seat II (12).
4. The towed water trough based insect flapping wing model experimental platform of claim 3, wherein: a third rotating support seat (13) is mounted at the end part, close to the first motor (7), of the horizontal sliding rail (2), and the first screw rod (8) penetrates through the third rotating support seat (13) and rotates relative to the third rotating support seat (13); and a fourth rotating support seat (14) is installed at the top of the vertical sliding rail (4), and the second screw rod (10) penetrates through the fourth rotating support seat (14) and rotates relative to the fourth rotating support seat (14).
5. The towed water trough based insect flapping wing model experimental platform of claim 4, wherein: a bearing is arranged in the first rotary supporting seat (11), and the end part of the first screw rod (8) is fixedly connected with the bearing; a bearing is arranged in the second rotary supporting seat (12), and the bottom of the second screw rod (10) is fixedly connected with the bearing; a bearing is arranged in the rotary supporting seat III (13), and the screw rod I (8) is fixedly connected with the bearing; and a bearing is arranged in the fourth rotary supporting seat (14), and the second screw (10) is fixedly connected with the bearing.
6. The towed water trough based insect flapping wing model experimental platform of any one of claims 1 to 5, wherein: the water tank is characterized by further comprising a horizontal supporting cross beam (19), the upper portion of the water tank (1) is provided with two parallel horizontal sliding rails (2) which are arranged along the length direction of the water tank and are the same in height, two ends of the horizontal supporting cross beam (19) are respectively and fixedly connected with the horizontal sliding blocks (3) on the two horizontal sliding rails (2) correspondingly, and the vertical sliding rails (4) are fixedly connected with the horizontal supporting cross beam (19).
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| CN114136227B (en) * | 2021-11-29 | 2022-12-23 | 中国科学院力学研究所 | Deformation measuring device for flexible member dragging experiment |
| CN114394257A (en) * | 2022-01-06 | 2022-04-26 | 吉林大学 | Hydraulic and electromagnetic mixed three-degree-of-freedom flapping wing test bed |
| CN116198743B (en) * | 2023-04-23 | 2023-07-07 | 吉林大学 | Comprehensive detection platform and detection method for emasculation unmanned aerial vehicle for seed production corn |
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