A highly adaptable bottom contact bracket for underwater acoustic detection devices

Abstract

This invention provides a highly adaptable bottom-reaching support for an underwater acoustic testing device, relating to the technical field of underwater acoustic testing devices. The highly adaptable bottom-reaching support includes an underwater acoustic testing device body. Multiple detection sensors are fixedly connected to the outer side of the underwater acoustic testing device body. Multiple level sensors for balance measurement are also fixedly connected to the outer side of the underwater acoustic testing device body. A mounting frame is fixedly connected to the bottom of the underwater acoustic testing device body. This highly adaptable bottom-reaching support allows a first rack to push a support block into depressions in the ground, thereby further maintaining stability. This ensures that the support for the underwater acoustic testing device body can adapt to different environments, and the level sensors can further assist in ensuring the overall stability of the device, adapting to various underwater environments.

Description

Technical Field

[0001] This invention relates to an underwater support bracket, specifically a highly adaptable bottom-contact bracket for an underwater acoustic testing device, belonging to the technical field of underwater acoustic testing devices. Background Technology

[0002] Due to the attenuation effect of seawater, sound waves are more suitable than light waves and electromagnetic waves as a carrier for long-distance underwater information transmission. Currently, the main method for passive underwater acoustic signal detection is to receive sound wave signals through hydrophones or arrays to detect surface vessels, underwater ships, and torpedoes.

[0003] Placing hydrophones or arrays on the seabed can effectively reduce environmental noise caused by surface waves, thereby increasing the probability of detecting underwater targets. However, the following problems exist in the process of lowering underwater acoustic detection devices to the seabed using counterweights:

[0004] 1. Due to the complex underwater environment, there will inevitably be pits and depressions when the support frame comes into contact with the ground. If the support frame is directly deployed, the pits and depressions will affect the support of the support frame, thus causing the overall equipment to be unstable.

[0005] 2. Because of the presence of other organisms underwater, if the support is in place, collisions with these organisms could cause the equipment to tip over, thus affecting the detection performance of the device. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] The purpose of this invention is to provide a highly adaptable bottom-contact support for an underwater acoustic testing device to solve the aforementioned problems. This addresses the issues in existing technologies where, due to the complex underwater environment, pits and depressions inevitably exist when the support frame contacts the ground. If the support frame is directly deployed, these pits and depressions will affect its stability, leading to overall device instability. Furthermore, the presence of other underwater organisms can cause the device to tip over after the support frame is in place, thus affecting the device's testing performance.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the present invention provides the following technical solution: a highly adaptable bottom-contact support for an underwater acoustic detection device, comprising an underwater acoustic detection device body, multiple detection sensors fixedly connected to the outside of the underwater acoustic detection device body, multiple level sensors for measuring balance fixedly connected to the outside of the underwater acoustic detection device body, a mounting frame fixedly connected to the bottom of the underwater acoustic detection device body, a mounting frame fixedly connected to the bottom of the mounting frame, a rotating disk rotatably connected inside the mounting frame, multiple rotating columns provided inside the mounting frame, each of the multiple rotating columns penetrating the rotating disk and movably connected to the rotating disk, a spiral drill bit connected to the bottom of each of the multiple rotating columns, and a transmission assembly provided between the multiple rotating columns;

[0010] The underwater acoustic detection device is fixedly connected to a limiting ring on the outside of its main body. A gear frame is provided on the top of the limiting ring. The gear frame passes through the limiting ring and is rotatably connected to the limiting ring. Multiple C-shaped connecting frames are fixedly connected to the outside of the limiting ring. Each of the multiple C-shaped connecting frames is provided with a support frame on its outside. A support component is provided inside the support frame. A lifting component is provided between the multiple support frames and the C-shaped connecting frames.

[0011] Preferably, the lifting assembly includes a transmission frame, which is fixedly connected between multiple C-shaped connecting frames. A rotating gear ring is rotatably connected inside the C-shaped connecting frame. A fifth gear, corresponding to one of the multiple supporting frames, is meshed with the outer side of the rotating gear ring. A seventh gear is meshed with the outer side of the rotating gear ring. A fourth servo motor is fixedly connected inside the transmission frame. The output end of the fourth servo motor is fixedly connected to the seventh gear, which facilitates driving the gear frame to rotate, thereby driving the multiple C-shaped connecting frames to rotate and adjust.

[0012] Preferably, the lifting assembly further includes a trapezoidal lead screw, which passes through the C-shaped connecting frame and is fixedly connected to the fifth gear. The trapezoidal lead screw is rotatably connected to the C-shaped connecting frame. The trapezoidal lead screw passes through the support frame and is connected to the support frame through a nut pair. A telescopic rod is fixedly connected between the support frame and the C-shaped connecting frame, which is beneficial for limiting the position of the support frame through the telescopic rod.

[0013] Preferably, the support assembly includes a fourth gear, which is disposed inside the support frame. A second fixing rod is fixedly connected inside the fourth gear, and the second fixing rod passes through the support frame and is rotatably connected to the support frame. A first rack and a second rack are meshed on both sides of the fourth gear. Limit plates are slidably connected to the outer sides of the second rack and the first rack. Support blocks are fixedly connected to the bottom of the second rack and the first rack.

[0014] Preferably, the support assembly further includes a ratchet, which is fixedly connected to the outside of the second fixed rod. A fixed rod is fixedly connected to the outside of the support frame, and a pawl is provided on the outside of the fixed rod. A torsion spring is fixedly connected between the fixed rod and the pawl. The torsion spring is used to limit the ratchet from rotating clockwise, ensuring that the first rack does not move after contacting the ground, thus maintaining the stability of the first rack.

[0015] Preferably, a sixth gear is meshed with the outer side of the gear carrier, and a third servo motor is installed on the outer side of the underwater acoustic detection device body, with the output end of the third servo motor fixedly connected to the sixth gear.

[0016] Preferably, the transmission assembly includes a plurality of first fixed rods, which are respectively fixedly connected to the top of a plurality of rotating columns. An L-shaped support plate is movably connected to the outer side of each of the plurality of first fixed rods. The plurality of L-shaped support plates are fixedly connected to the rotating disk. A limit groove is formed on the outer side of each of the plurality of first fixed rods.

[0017] Preferably, the transmission assembly further includes a plurality of first gears, each of which is sleeved on the outside of a plurality of first fixed rods. A limiting mounting plate is fixedly connected to the inner wall of the plurality of first gears. The limiting mounting plate is disposed inside a limiting groove opened on the outside of the first fixed rod and is slidably connected to the first fixed rod. The first gears are rotatably connected to an L-shaped support plate. Inner and outer gear rings are meshed between the plurality of first gears. An electric push rod is fixedly connected to the top of each of the plurality of first fixed rods. A turntable is rotatably connected to the top of the plurality of electric push rods. The turntable is rotatably connected to the top of the inner and outer gear rings. A plurality of second gears are meshed inside the inner and outer gear rings. A first transmission rod is fixedly connected inside the second gears. A plurality of first servo motors are fixedly connected inside the mounting frame. The output ends of the plurality of first servo motors are respectively fixedly connected to the plurality of first transmission rods, which facilitates the meshing connection between the second gears and the inner and outer gear rings, thereby causing the inner and outer gear rings to drive the meshing plurality of first gears to rotate.

[0018] Preferably, an eighth gear is meshed with the outer side of the rotating disk, and a third gear is fixedly connected inside the eighth gear. The third gear is rotatably connected to the mounting frame.

[0019] Preferably, a second servo motor is fixedly connected inside the mounting frame, and the output end of the second servo motor is fixedly connected to a third gear.

[0020] This invention provides a highly adaptable bottom-contact support for an underwater acoustic detection device, which has the following beneficial effects:

[0021] 1. The highly adaptable bottom-contact support of this underwater acoustic detection device features a fourth gear inside the support frame. As the fourth gear descends, it rotates, causing the second rack to rise within the support frame. This, in turn, causes the meshing first rack to push the support block further downwards, maintaining contact with the ground. Once the support block on the first rack contacts the ground, the engagement of the fourth gear with both the first and second racks ensures their stability. This allows the first rack to push the support block into depressions in the ground, further maintaining stability. This ensures the support for the underwater acoustic detection device can adapt to different environments. Furthermore, the device can be further stabilized using a level sensor, ensuring overall stability and adaptability to various underwater conditions.

[0022] 2. The highly adaptable bottom-contact support of this underwater acoustic detection device enables an electric push rod to lower the first fixed rod, which in turn lowers inside the first gear. By activating the first servo motor, the first servo motor drives the first transmission rod, which in turn drives the fixedly connected second gear. The second gear drives the meshing inner and outer gear rings to rotate, which in turn drives multiple meshing first gears to rotate. This, in turn, through the limiting mounting plate inside the first gear, drives the first fixed rod to rotate. Consequently, the rotating column and auger drill bit fixedly connected to the bottom of the first fixed rod descend and rotate simultaneously, allowing the auger drill bit to insert into the ground and secure itself to the ground, ensuring the stability of the entire device. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of the present invention from a bottom view;

[0025] Figure 3 This is a schematic cross-sectional view of the mounting and fixing frame structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the transmission component structure of the present invention;

[0027] Figure 5 This is a schematic diagram of the first fixing rod structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the electric actuator structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the C-shaped connecting frame structure of the present invention;

[0030] Figure 8 This is a schematic diagram of the transmission frame structure of the present invention;

[0031] Figure 9 This is a schematic diagram of the gear carrier structure of the present invention;

[0032] Figure 10 This is a schematic diagram of the supporting frame structure of the present invention;

[0033] Figure 11 This is a schematic diagram of the trapezoidal lead screw structure of the present invention;

[0034] Figure 12 This is a schematic cross-sectional view of the support frame structure of the present invention;

[0035] Figure 13 For the present invention Figure 12 A magnified structural diagram of part A;

[0036] Figure 14 For the present invention Figure 5 A magnified structural diagram of part B.

[0037] In the diagram: 1. Underwater acoustic detection device body; 2. Detection sensor; 3. Horizontal sensor; 4. Mounting frame; 5. Mounting frame; 6. Rotating disk; 7. L-shaped support plate; 8. Rotating column; 9. Spiral drill bit; 10. First fixing rod; 11. Electric push rod; 12. Limiting groove; 13. First gear; 14. Limiting mounting plate; 15. Internal and external gear rings; 16. First transmission rod; 17. Second gear; 18. First servo motor; 19. Third gear; 20. Second servo motor; 21. Eighth gear; 22. 23. Gear frame; 24. Transmission frame; 25. C-shaped connecting frame; 26. Limiting ring; 27. Support frame; 28. Fourth gear; 29. ​​Second fixing rod; 30. First rack; 31. Second rack; 32. Limiting plate; 33. Support block; 34. Trapezoidal lead screw; 35. Second fixing rod; 36. Pawl; 37. Torsion spring; 38. Ratchet; 39. Fifth gear; 40. Telescopic rod; 41. Seventh gear; 42. Sixth gear; 43. Third servo motor; 44. Rotating gear ring; 45. Fourth servo motor. Detailed Implementation

[0038] This invention provides a highly adaptable bottom-contact bracket for an underwater acoustic detection device.

[0039] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 14The device includes an underwater acoustic detection device body 1, with multiple detection sensors 2 fixedly connected to the outside of the underwater acoustic detection device body 1, multiple level sensors 3 for measuring balance fixedly connected to the outside of the underwater acoustic detection device body 1, a mounting frame 4 fixedly connected to the bottom of the underwater acoustic detection device body 1, a mounting frame 5 fixedly connected to the bottom of the mounting frame 4, a rotating disk 6 rotatably connected inside the mounting frame 4, multiple rotating columns 8 inside the mounting frame 4, all of the multiple rotating columns 8 passing through the rotating disk 6 and movably connected to the rotating disk 6, a spiral drill bit 9 connected to the bottom of each of the multiple rotating columns 8, and a transmission assembly between the multiple rotating columns 8.

[0040] A limiting ring 25 is fixedly connected to the outer side of the underwater acoustic detection device body 1. A gear frame 22 is provided on the top of the limiting ring 25. The gear frame 22 passes through the limiting ring 25 and is rotatably connected to the limiting ring 25. Multiple C-shaped connecting frames 24 are fixedly connected to the outer side of the limiting ring 25. Each of the multiple C-shaped connecting frames 24 is provided with a support frame 26 on its outer side. A support component is provided inside the support frame 26. A lifting component is provided between the multiple support frames 26 and the C-shaped connecting frames 24.

[0041] Specifically, when the underwater acoustic detection device body 1 is completely submerged underwater, a mounting frame 4 is fixedly connected to the bottom of the underwater acoustic detection device body 1, and a mounting frame 5 is fixedly connected to the bottom of the mounting frame 4, so that the mounting frame 5 is in contact with the bottom of the water. Multiple level sensors 3 are located on the outside of the underwater acoustic detection device body 1, which sense the levelness of the entire device (a level sensor is a type of angle sensor, and its function is to measure the levelness of the carrier; it is also called an inclination sensor, and in engineering it is often called a level or inclinometer. A dual-axis level sensor can simultaneously measure the horizontal angle in two directions, so it can determine the levelness of the entire measured surface), thereby detecting the tilt degree of the underwater acoustic detection device body 1 as a whole.

[0042] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14The lifting assembly includes a transmission frame 23, which is fixedly connected between multiple C-shaped connecting frames 24. A rotating gear ring 44 is rotatably connected inside each C-shaped connecting frame 24. A fifth gear 38, corresponding to one of the multiple support frames 26, is meshed with the outer side of the rotating gear ring 44. A seventh gear 40 is meshed with the outer side of the rotating gear ring 44. A fourth servo motor 45 is fixedly connected inside the transmission frame 23. The output end of the fourth servo motor 45 is fixedly connected to the seventh gear 40, which facilitates the rotation of the gear frame 22, thereby driving the multiple C-shaped connecting frames 24 to rotate and adjust. The lifting assembly also includes a trapezoidal lead screw 33, which passes through the C-shaped connecting frame 24 and is fixedly connected to the fifth gear 38. The trapezoidal lead screw 33 is rotatably connected to the C-shaped connecting frame 24 and passes through the support frame 26, connecting to the support frame 26 via a nut pair. A telescopic rod 39 is fixedly connected between the support frame 26 and the C-shaped connecting frame 24, which facilitates the limiting of the support frame 26 via the telescopic rod 39.

[0043] The support assembly includes a fourth gear 27, which is disposed inside the support frame 26. A second fixing rod 28 is fixedly connected inside the fourth gear 27, passing through the support frame 26 and rotatably connected to it. A first rack 29 and a second rack 30 are meshed on both sides of the fourth gear 27. Limit plates 31 are slidably connected to the outer sides of both the second rack 30 and the first rack 29. Support blocks 32 are fixedly connected to the bottom of both the second rack 30 and the first rack 29. The support assembly also includes a ratchet 37, which is fixedly connected to the outer side of the second fixing rod 28. A fixing rod 34 is fixedly connected to the outer side of the support frame 26. A pawl 35 is provided on the outer side of the fixing rod 34. A torsion spring 36 is fixedly connected between the fixing rod 34 and the pawl 35. The torsion spring 36 is used to limit the clockwise rotation of the ratchet 37, ensuring that the first rack 29 will not move after contacting the ground, thus maintaining the stability of the first rack 29.

[0044] A sixth gear 42 is meshed with the outer side of the gear carrier 22, and a third servo motor 43 is installed on the outer side of the underwater acoustic detection device body 1. The output end of the third servo motor 43 is fixedly connected to the sixth gear 42.

[0045] Specifically, by activating the third servo motor 43 installed on the outside of the underwater acoustic detection device body 1, the output end of the third servo motor 43 drives the fixedly connected sixth gear 42 to rotate. When the sixth gear 42 rotates, it drives the meshing gear frame 22 to rotate. Since multiple C-shaped connecting frames 24 are fixedly connected to the outside of the gear frame 22, the position of the C-shaped connecting frames 24 in contact with the ground is adjusted to avoid the presence of large rocks or pits. The support position is adjusted, and a transmission frame 23 is fixedly connected between the multiple C-shaped connecting frames 24. By activating the fourth servo motor 45 inside the transmission frame 23, the output end of the fourth servo motor 45 drives the fixedly connected seventh gear 40 to rotate. When the seventh gear 40 rotates, it drives the meshing rotating gear ring 44 to rotate, which in turn drives multiple meshing fifth gears 38 to rotate. The fifth gears 38 drive the fixedly connected trapezoidal lead screw 33 to rotate, which in turn drives the trapezoidal lead screw 33 to lower the support frame 26 connected by the nut pair. As the support frame 26 descends, the second rack 30 inside the support frame 26 first contacts the ground. As the support frame 26 continues to descend, the fourth gear 27 inside the support frame 26 rotates, causing the second rack 30 to rise inside the support frame 26. This causes the meshing first rack 29 to push the support block 32 to continue descending, keeping the first rack 29 in contact with the ground. When the support block 32 on the first rack 29 contacts the ground, the fourth gear 27 meshes with both the first rack 29 and the second rack 30, thus stabilizing both racks. This allows the first rack 29 to push the support block 32 into a depression in the ground, further maintaining stability. This ensures that the support for the underwater acoustic detection device body 1 can adapt to different environments, and can also be assisted by the level sensor 3 to ensure the overall stability of the device, adapting to different underwater environments.

[0046] Please refer to it again. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 14The transmission assembly includes multiple first fixed rods 10, which are respectively fixedly connected to the top of multiple rotating columns 8. Each of the multiple first fixed rods 10 is movably connected to an L-shaped support plate 7, which is fixedly connected to the rotating disk 6. Each of the multiple first fixed rods 10 has a limit groove 12 on its outer side. The transmission assembly also includes multiple first gears 13, which are all sleeved on the outside of multiple first fixed rods 10. A limiting mounting plate 14 is fixedly connected to the inner wall of the multiple first gears 13. The limiting mounting plate 14 is set inside the limiting groove 12 opened on the outside of the first fixed rod 10 and is slidably connected to the first fixed rod 10. The first gears 13 are rotatably connected to the L-shaped support plate 7. The multiple first gears 13 are meshed with internal and external gear rings 15. Electric push rods 11 are fixedly connected to the top of the multiple first fixed rods 10. A turntable is rotatably connected to the top of the multiple electric push rods 11. The turntable is rotatably connected to the top of the inner and outer top of the mounting frame 4. Multiple second gears 17 are meshed inside the internal and external gear rings 15. A first transmission rod 16 is fixedly connected inside the second gears 17. Multiple first servo motors 18 are fixedly connected inside the mounting frame 4. The output ends of the multiple first servo motors 18 are fixedly connected to the multiple first transmission rods 16 respectively, which facilitates the meshing connection between the second gears 17 and the internal and external gear rings 15, thereby causing the internal and external gear rings 15 to drive the meshing multiple first gears 13 to rotate. An eighth gear 21 is meshed with the outer side of the rotating disk 6. A third gear 19 is fixedly connected inside the eighth gear 21. The third gear 19 is rotatably connected to the mounting frame 4. A second servo motor 20 is fixedly connected inside the mounting frame 4. The output end of the second servo motor 20 is fixedly connected to the third gear 19.

[0047] Specifically, when the underwater acoustic detection device body 1 is in a stable horizontal state, the second servo motor 20 inside the mounting frame 4 is activated, causing the second servo motor 20 to drive the fixedly connected third gear 19 to rotate. This, in turn, causes the third gear 19 to drive the fixedly connected eighth gear 21 to rotate. The eighth gear 21 then drives the meshing rotating disk 6 to rotate, thereby adjusting the contact position between the rotating column 8 on the rotating disk 6 and the ground, preventing the rotating column 8 and the auger drill bit 9 from being suspended in mid-air during descent. Then, the electric push rods 11 on the multiple rotating columns 8 are activated, causing the electric push rods 11 to push the first fixed rod 10 to descend, thereby causing the first fixed rod 10 to move towards the first gear... The device descends internally and activates the first servo motor 18, which drives the first transmission rod 16. The first transmission rod 16 drives the fixedly connected second gear 17, which in turn drives the meshing inner and outer gear rings 15 to rotate. The inner and outer gear rings 15 drive the multiple meshing first gears 13 to rotate, which in turn drives the first fixed rod 10 to rotate via the limiting mounting plate 14 inside the first gear 13. This causes the rotating column 8 and the auger drill bit 9, which are fixedly connected to the bottom of the first fixed rod 10, to descend and rotate simultaneously, allowing the auger drill bit 9 to insert into the ground and be fixed to the ground, thus ensuring the stability of the entire device.

[0048] Working principle: By activating the third servo motor 43 installed on the outside of the underwater acoustic detection device body 1, the sixth gear 42 rotates, driving the meshing gear frame 22 to rotate. Multiple C-shaped connecting frames 24 are fixedly connected to the outside of the gear frame 22. Adjusting the position of the C-shaped connecting frames 24 in contact with the ground causes the fifth gear 38 to drive the fixedly connected trapezoidal lead screw 33 to rotate, which in turn causes the trapezoidal lead screw 33 to drive the support frame 26 connected by the nut pair to descend. As the support frame 26 descends, the second rack 30 inside the support frame 26 first contacts the ground. When the second rack 30 contacts the ground, the first rack 29 continues to contact the ground. When the support block 32 on the first rack 29 contacts the ground, since the fourth gear 27 meshes with both the first rack 29 and the second rack 30, the first rack 29 and the second rack 30 remain stable, allowing the first rack 29 to push the support block 32 into the pit in the ground.

[0049] The first servo motor 18 drives the first transmission rod 16, which in turn drives the fixedly connected second gear 17. Through the inner and outer gear rings 15, the first gear 13, which are meshed together, rotates. Then, through the limiting mounting plate 14 inside the first gear 13, the first fixed rod 10 rotates. This causes the rotating column 8 and the auger drill bit 9, which are fixedly connected to the bottom of the first fixed rod 10, to descend and rotate simultaneously, so that the auger drill bit 9 is inserted into the ground.

Claims

1. A highly adaptable bottom-contact support for an underwater acoustic detection device, comprising the underwater acoustic detection device body (1), characterized in that: Multiple detection sensors (2) are fixedly connected to the outside of the underwater acoustic detection device body (1). Multiple level sensors (3) for measuring balance are fixedly connected to the outside of the underwater acoustic detection device body (1). A mounting frame (4) is fixedly connected to the bottom of the underwater acoustic detection device body (1). A mounting frame (5) is fixedly connected to the bottom of the mounting frame (4). A rotating disk (6) is rotatably connected inside the mounting frame (4). Multiple rotating columns (8) are provided inside the mounting frame (4). The multiple rotating columns (8) all pass through the rotating disk (6) and are movably connected to the rotating disk (6). A spiral drill bit (9) is connected to the bottom of the multiple rotating columns (8). A transmission assembly is provided between the multiple rotating columns (8). The underwater acoustic detection device body (1) is fixedly connected to a limiting ring (25) on the outside. A gear frame (22) is provided on the top of the limiting ring (25). The gear frame (22) passes through the limiting ring (25) and is rotatably connected to the limiting ring (25). Multiple C-shaped connecting frames (24) are fixedly connected to the outside of the limiting ring (25). A support frame (26) is provided on the outside of each of the multiple C-shaped connecting frames (24). A support component is provided inside the support frame (26). A lifting component is provided between the multiple support frames (26) and the C-shaped connecting frames (24). The support assembly includes a fourth gear (27), which is disposed inside the support frame (26). A second fixing rod (28) is fixedly connected inside the fourth gear (27). The second fixing rod (28) passes through the support frame (26) and is rotatably connected to the support frame (26). A first rack (29) and a second rack (30) are meshed on both sides of the fourth gear (27). Limit plates (31) are slidably connected to the outer sides of the second rack (30) and the first rack (29). Support blocks (32) are fixedly connected to the bottom of the second rack (30) and the first rack (29). The support assembly also includes a ratchet (37), which is fixedly connected to the outside of the second fixed rod (28). A fixed rod (34) is fixedly connected to the outside of the support frame (26). A pawl (35) is provided on the outside of the fixed rod (34). A torsion spring (36) is fixedly connected between the fixed rod (34) and the pawl (35). The torsion spring (36) is used to limit the ratchet (37) from rotating clockwise. The transmission assembly includes multiple first fixed rods (10), which are respectively fixedly connected to the top of multiple rotating columns (8). Each of the multiple first fixed rods (10) is movably connected to an L-shaped support plate (7), which is fixedly connected to a rotating disk (6). Each of the multiple first fixed rods (10) has a limit groove (12) on its outer side. The transmission assembly further includes a plurality of first gears (13), each of which is sleeved on the outside of a plurality of first fixed rods (10). A limiting mounting plate (14) is fixedly connected to the inner wall of each of the plurality of first gears (13). The limiting mounting plate (14) is disposed inside a limiting groove (12) opened on the outside of the first fixed rod (10) and is slidably connected to the first fixed rod (10). The first gears (13) are rotatably connected to an L-shaped support plate (7). Internal and external gear rings (15) mesh between the plurality of first gears (13). An electric push rod (11) is fixedly connected to the top of a fixed rod (10). A turntable is rotatably connected to the top of multiple electric push rods (11). The turntable is rotatably connected to the top of the mounting frame (4). Multiple second gears (17) are meshed inside the inner and outer gear rings (15). A first transmission rod (16) is fixedly connected inside the second gear (17). Multiple first servo motors (18) are fixedly connected inside the mounting frame (4). The output ends of the multiple first servo motors (18) are fixedly connected to the multiple first transmission rods (16) respectively.

2. The highly adaptable bottom-contact support for an underwater acoustic detection device according to claim 1, characterized in that: The lifting assembly includes a transmission frame (23), which is fixedly connected between multiple C-shaped connecting frames (24). A rotating gear ring (44) is rotatably connected inside the C-shaped connecting frame (24). A fifth gear (38) corresponding to multiple support frames (26) is meshed on the outside of the rotating gear ring (44). A seventh gear (40) is meshed on the outside of the rotating gear ring (44). A fourth servo motor (45) is fixedly connected inside the transmission frame (23). The output end of the fourth servo motor (45) is fixedly connected to the seventh gear (40).

3. The highly adaptable bottom-contact support for an underwater acoustic detection device according to claim 2, characterized in that: The lifting assembly also includes a trapezoidal lead screw (33), which passes through the C-shaped connecting frame (24) and is fixedly connected to the fifth gear (38). The trapezoidal lead screw (33) is rotatably connected to the C-shaped connecting frame (24). The trapezoidal lead screw (33) passes through the support frame (26) and is connected to the support frame (26) through a nut pair. A telescopic rod (39) is fixedly connected between the support frame (26) and the C-shaped connecting frame (24).

4. The highly adaptable bottom-contact support for an underwater acoustic detection device according to claim 1, characterized in that: The gear frame (22) is meshed with a sixth gear (42) on the outside, and a third servo motor (43) is installed on the outside of the underwater acoustic detection device body (1). The output end of the third servo motor (43) is fixedly connected to the sixth gear (42).

5. The highly adaptable bottom-contact support for an underwater acoustic detection device according to claim 4, characterized in that: The outer side of the rotating disk (6) is connected to an eighth gear (21), and the inner side of the eighth gear (21) is fixedly connected to a third gear (19). The third gear (19) is rotatably connected to the mounting frame (4).

6. The highly adaptable bottom-contact support for an underwater acoustic detection device according to claim 5, characterized in that: The second servo motor (20) is fixedly connected inside the mounting frame (4), and the output end of the second servo motor (20) is fixedly connected to the third gear (19).

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