Hydrophone and signal transmission device

Abstract

The application relates to the technical field of optical fiber hydrophone, in particular to a hydrophone and signal transmission device which comprises a first semicircular arc plate installed at the lower end of the signal transmission device, and a second semicircular arc plate arranged on the side of the first semicircular arc plate away from the signal transmission device; a connecting assembly is used for connecting the first semicircular arc plate and the second semicircular arc plate; when the first semicircular arc plate and the second semicircular arc plate are spliced, the positioning block is inserted into the inside of the positioning groove, at this time, the elastically arranged fixing block is inserted into the inside of the fixing groove, so that the positioning block is fixed into the inside of the positioning groove, the splicing of the first semicircular arc plate and the second semicircular arc plate is completed, bolts are not needed, when disassembling, the first extrusion block can be pressed, when the first extrusion block is pressed, the first extrusion block drives the fixing block to move out of the inside of the fixing groove through the pull rope, and the quick disassembly of the first semicircular arc plate and the second semicircular arc plate is completed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fiber hydrophone, in particular to a hydrophone and signal transmission device. BACKGROUND

[0002] The hydrophone is a device that converts electrical signals into underwater acoustic signals or converts underwater acoustic signals into electrical signals, and its position in the sonar is similar to that of the antenna in the radio equipment, which is an acoustic device for transmitting and receiving sound waves underwater, also known as a transmitting transducer.

[0003] The hydrophone signal transmission device is the core equipment of underwater acoustic communication, and its core function is to realize efficient conversion and stable transmission of sound wave signals and electrical signals. In the prior art, the utility model discloses a signal data real-time acquisition storage and transmission device applied to a hydrophone, which comprises: a plurality of sound wave receivers are arranged on the upper part of the measuring platform to form a matrix layout; receive the sound wave signals of different paths underwater and convert them into electrical signals; analyze the received sound wave signals, extract the signal data of the sound wave, and calculate the angle of arrival of the sound wave signals; calculate the position of the target signal source, determine the main signal in different paths, and correct the main signal; the corrected signal data is transmitted to the storage device for segmented storage; the present application forms a matrix layout by arranging a plurality of receivers on the measuring platform, calculates the position of the target signal source, determines the main signal received by the receiver, and then eliminates the multi-path effect caused by the water body boundary reflection, and corrects the main signal, thereby improving the quality and accuracy of the signal, ensuring the accurate transmission and storage of the underwater signal, and ensuring the performance of the hydrophone system in the complex underwater environment.

[0004] In the prior art, when the integrated hydrophone and signal transmission device is installed on the underground pipeline, it is usually fixed directly by two groups of semicircular plates, and then the two groups of semicircular plates are fixed by bolts. However, the bolts are affected by the humid underground environment for a long time, and rust phenomenon occurs, making it difficult to disassemble the bolts. SUMMARY

[0005] The present application aims to provide a hydrophone and signal transmission device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A hydrophone and signal transmission device, comprising a signal transmission device, the input end of the signal transmission device is connected with a transmission line, the other end of the transmission line is connected with a hydrophone; characterized in that, further comprising:

[0008] A first semicircular arc plate is installed at the lower end of the signal transmission device, and a second semicircular arc plate is arranged at the side of the first semicircular arc plate away from the signal transmission device;

[0009] A connecting assembly is arranged to connect the first semicircular arc plate and the second semicircular arc plate, and the connecting assembly comprises a positioning block arranged on the second semicircular arc plate, and a positioning groove is arranged at the position corresponding to the positioning block on the first semicircular arc plate.

[0010] An adjusting assembly is arranged on the inner wall of the first semicircular arc plate and the second semicircular arc plate, and is used to adjust the center of the ring formed by the first semicircular arc plate and the signal transmission device to be consistent with the center of the pipeline, and the adjusting assembly comprises a plurality of clamping rods elastically connected with the inner wall of the first semicircular arc plate and the second semicircular arc plate.

[0011] Preferably, a limiting groove is arranged on the side wall of the first semicircular arc plate and the second semicircular arc plate, the end portions of the two limiting grooves are connected with each other, and a fixed plate is arranged to slide on the limiting groove.

[0012] The hydrophone is screwed into the threaded hole arranged on the fixed plate.

[0013] Preferably, when the first semicircular arc plate and the second semicircular arc plate are spliced, the positioning block is inserted into the inside of the positioning groove.

[0014] Second receiving grooves are arranged on the side walls of the positioning block, and a fixed block is arranged to be inserted into each second receiving groove, and a third return spring is arranged between the end portion of the fixed block and the inner wall of the corresponding second receiving groove.

[0015] A fixed groove is arranged on the inner side wall of the positioning groove at the position corresponding to the fixed block, and the fixed block is elastically inserted into the inside of the fixed groove through the third return spring.

[0016] An inclined surface is arranged on the end portion of the end of the fixed block away from the third return spring.

[0017] Preferably, a first receiving groove is arranged on the lower end of the second semicircular arc plate, a first extrusion block is arranged to be inserted into the inside of the first receiving groove, and a second return spring is arranged between the upper end portion of the first extrusion block and the inner top end of the first receiving groove.

[0018] A first through hole is arranged between the inner side wall of the first receiving groove and the corresponding second receiving groove, a pull rope is arranged in the first through hole, and the two ends of the pull rope are connected with the side wall of the first extrusion block and the end portion of the corresponding fixed block, respectively.

[0019] Preferably, the second half circular arc plate is internally provided with gas storage cavities corresponding to the positions of the second receiving grooves, and the first push plate is slidably arranged in the gas storage cavities.

[0020] The other side of the first push plate and the inner wall of the gas storage cavity are provided with a first air bag.

[0021] The side wall of the fixed block and the inner wall of the second receiving groove are provided with a second air bag, and the second air bag and the corresponding first air bag are provided with a first exhaust pipe.

[0022] Preferably, the first half circular arc plate and the second half circular arc plate are internally provided with a plurality of groups of interval distributed accommodation grooves, the accommodation grooves are internally slidably provided with abutting blocks, and the end of the abutting block and the inner wall of the corresponding accommodation groove are provided with a fourth reset spring.

[0023] The inner wall of the abutting block is provided with an abutting groove, and the cross section of the abutting groove is in an inclined state, and one end of the clamping rod is inserted into the corresponding abutting groove.

[0024] Preferably, the inner wall of the first half circular arc plate and the second half circular arc plate is provided with a plurality of groups of through grooves, and the through grooves are communicated with the corresponding accommodation grooves.

[0025] The clamping rod is inserted into the corresponding abutting groove through the corresponding through groove;

[0026] The inner wall of the through groove is provided with a sliding groove, the sliding groove is internally slidably provided with a sliding block, and the sliding block and the side wall of the corresponding clamping rod are connected.

[0027] The side wall of the sliding block and the inner wall of the corresponding sliding groove are provided with a sixth reset spring.

[0028] Preferably, the outer end face of the abutting block is provided with a plurality of groups of interval distributed insertion grooves, the inner wall of the accommodation groove is provided with a fourth receiving groove corresponding to the position of one group of the insertion grooves, the fourth receiving groove is internally inserted with an insertion block, and the end of the insertion block and the inner wall of the corresponding fourth receiving groove are provided with a fifth reset spring, and the insertion block is elastically arranged in the fourth receiving groove through the fifth reset spring.

[0029] Preferably, the end of the insertion block and the inner wall of the corresponding fourth receiving groove are provided with a fourth air bag.

[0030] The connecting part of the first semicircular arc plate and the signal transmission device is provided with a third receiving groove, the inside of each third receiving groove is provided with a second extrusion block, and the end of each second extrusion block and the inner wall of the corresponding third receiving groove are provided with a third air bag;

[0031] Each third air bag and the corresponding fourth air bag are provided with a second exhaust pipe.

[0032] Compared with the prior art, the beneficial effects of the present application are:

[0033] The first semicircular arc plate and the second semicircular arc plate are spliced, the signal transmission device and the hydrophone connected with the signal transmission device are installed outside the pipeline, the positioning block is inserted into the inside of the positioning groove when splicing, the fixed block is elastically arranged and inserted into the inside of the fixed groove at this time, so that the positioning block is fixed to the inside of the positioning groove, the splicing of the first semicircular arc plate and the second semicircular arc plate is completed, without bolts, when disassembling, the first extrusion block is pressed, the first extrusion block drives the fixed block to move out of the inside of the fixed groove through the pull rope when the first extrusion block is pressed, and the first semicircular arc plate and the second semicircular arc plate are quickly disassembled.

[0034] When the first semicircular arc plate and the second semicircular arc plate are installed to the pipeline, the elastically arranged clamping rod is abutted by the pipeline wall, the clamping rod is abutted by the pipeline wall, the abutment groove is matched to drive the abutment block to rotate, so that the extension length of the clamping rod is the same as the interval between the inner diameter of the circle composed of the first semicircular arc plate and the second semicircular arc plate and the outer diameter of the pipeline, when the first semicircular arc plate and the second semicircular arc plate are spliced, the two groups of second extrusion blocks are extruded, the gas in the third air bag is discharged to the inside of the fourth air bag through the second exhaust pipe, the fourth air bag is inflated, the plug is inserted into the insertion slot formed in the abutment block, the rotation limiting of the abutment block is completed, and the clamping rod is limited, so that the first semicircular arc plate and the second semicircular arc plate can be fixed to pipelines with various diameters. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0036] Figure 2 It is a schematic diagram of the cross section when the first semicircular arc plate and the second semicircular arc plate of the present application are connected;

[0037] Figure 3 It is Figure 2 It is an enlarged schematic diagram of the structure at position A in the middle;

[0038] Figure 4 It is Figure 3 It is an enlarged schematic diagram of the structure at position B in the middle;

[0039] Figure 5 It isFigure 2 Structure enlarged schematic view at C;

[0040] Figure 6 For Figure 2 Structure enlarged schematic view at D;

[0041] Figure 7 For Figure 2 Structure enlarged schematic view at E;

[0042] Figure 8 It is the resisting block structure schematic diagram of the application.

[0043] In the figure:

[0044] 1, first semicircular arc plate; 2, signal transmission device; 3, transmission line; 4, fixed plate; 5, hydrophone; 6, second semicircular arc plate; 7, limiting groove; 8, clamping rod; 9, positioning groove; 10, positioning block; 11, gas storage cavity; 12, first reset spring; 13, first push plate; 14, first air bag; 15, first exhaust pipeline; 16, first through hole; 17, pull rope; 18, first storage groove; 19, second reset spring; 20, first extrusion block; 21, second storage groove; 22, second air bag; 23, third reset spring; 24, fixed block; 25, bevel; 26, fixed groove; 27, third storage groove; 28, second extrusion block; 29, third air bag; 30, second exhaust pipeline; 31, let go of the slot; 32, fourth reset spring; 33, resisting block; 34, insertion slot; 35, insertion block; 36, fourth storage groove; 37, fourth air bag; 38, fifth reset spring; 39, sliding block; 40, sliding groove; 41, sixth reset spring; 42, resisting slot. DETAILED DESCRIPTION

[0045] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0046] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0047] As Figures 1-8 shown, the present application provides a hydrophone and signal transmission device, which comprises a signal transmission device 2, the input end of the signal transmission device 2 is connected with a transmission line 3, the other end of the transmission line 3 is connected with a hydrophone 5: characterized in that, further comprising:

[0048] The first semicircular arc plate 1 is installed at the lower end of the signal transmission device 2, and the side of the first semicircular arc plate 1 away from the signal transmission device 2 is provided with a second semicircular arc plate 6;

[0049] In the embodiment, the signal transmission device 2 is installed outside the pipeline through the connection of the first semicircular arc plate 1 and the second semicircular arc plate 6, then the water signal inside the pipeline is detected through the hydrophone 5, transmitted to the signal transmission device 2 through the transmission line 3, and transmitted through the signal transmission device 2.

[0050] Specifically, as shown in the figure, Figure 1 The side walls of the first semicircular arc plate 1 and the second semicircular arc plate 6 are both provided with limiting grooves 7, the ends of the two groups of limiting grooves 7 are connected to each other, and the limiting grooves 7 are slidably provided with a fixed plate 4;

[0051] The hydrophone 5 is screwed into the threaded hole provided in the fixed plate 4;

[0052] In the embodiment, the hydrophone 5 is installed and fixed through the fixed plate 4, so that the end of the hydrophone 5 is in contact with the surface of the pipeline, and the fixed plate 4 can be rotated along the limiting groove 7 to rotate the hydrophone 5 to any position of the pipeline for monitoring.

[0053] Specifically, as shown in the figure, Figures 2-4 A hydrophone and a signal transmission device also include a connecting assembly for connecting the first semicircular arc plate 1 and the second semicircular arc plate 6, the connecting assembly includes a positioning block 10 installed on the second semicircular arc plate 6, and the first semicircular arc plate 1 is provided with a positioning groove 9 corresponding to the position of the positioning block 10;

[0054] When the first semicircular arc plate 1 and the second semicircular arc plate 6 are spliced, the positioning block 10 is inserted into the inside of the positioning groove 9;

[0055] The two side walls of the positioning block 10 are both provided with a second receiving groove 21, each of the second receiving grooves 21 is inserted and provided with a fixed block 24, and a third reset spring 23 is arranged between the end of the fixed block 24 and the inner wall corresponding to the second receiving groove 21;

[0056] The inner side wall of the positioning groove 9 is provided with a fixed groove 26 corresponding to the position of the fixed block 24, and the fixed block 24 is elastically inserted into the inside of the fixed groove 26 through the third reset spring 23;

[0057] The end of the fixed block 24 away from the third reset spring 23 is provided with a chamfered surface 25 on the upper end;

[0058] In the embodiment, when the first semicircular arc plate 1 and the second semicircular arc plate 6 are spliced, the positioning block 10 is inserted into the inside of the positioning slot 9, at this time, the fixed block 24 arranged elastically is inserted into the inside of the fixed slot 26, so that the positioning block 10 is fixed to the inside of the positioning slot 9, the splicing of the first semicircular arc plate 1 and the second semicircular arc plate 6 is completed, and no bolt is needed.

[0059] Specifically, as shown in the figure, Figures 2-4 The lower end of the second semicircular arc plate 6 is provided with a first receiving slot 18, a first extrusion block 20 is arranged in the inside of the first receiving slot 18, and a second reset spring 19 is arranged between the upper end of the first extrusion block 20 and the top end of the inside of the first receiving slot 18.

[0060] A first through hole 16 is arranged between the inside side wall of the first receiving slot 18 and the corresponding second receiving slot 21, a pull rope 17 is arranged in the first through hole 16, and the two ends of the pull rope 17 are connected with the side wall of the first extrusion block 20 and the end of the fixed block 24 respectively.

[0061] In the embodiment, when disassembling, the first extrusion block 20 can be pressed, when the first extrusion block 20 is pressed, the first extrusion block 20 drives the fixed block 24 to move out of the inside of the fixed slot 26 through the pull rope 17, and the quick disassembly of the first semicircular arc plate 1 and the second semicircular arc plate 6 is completed.

[0062] Specifically, as shown in the figure, Figures 2-4 The inside of the second semicircular arc plate 6 is provided with a gas storage cavity 11 corresponding to the position of each second receiving slot 21, a first push plate 13 is arranged in the inside of the gas storage cavity 11, and a first reset spring 12 is arranged between the side wall of the first push plate 13 and the inner wall of the gas storage cavity 11.

[0063] A first air bag 14 is arranged between the other side of the first push plate 13 and the inner wall of the gas storage cavity 11.

[0064] A second air bag 22 is arranged between the side wall of the fixed block 24 and the inner wall of the second receiving slot 21, and a first exhaust pipeline 15 is arranged between each second air bag 22 and the corresponding first air bag 14.

[0065] In the embodiment, under the action of the first reset spring 12, the first push plate 13 abuts against the first air bag 14, the gas in the inside of the first air bag 14 is discharged to the inside of the second air bag 22 through the first exhaust pipeline 15, the second air bag 22 expands and abuts against the fixed block 24 arranged elastically, so that when the first extrusion block 20 is accidentally touched, the fixed block 24 is prevented from being directly separated from the inside of the fixed slot 26, and the force required is greater than the elastic force of the first reset spring 12.

[0066] Specifically, as shown in the figure,Figure 2 and Figure 8 As shown, the interior of the first semi-circular plate 1 and the second semi-circular plate 6 are provided with multiple sets of spaced relief grooves 31. Each relief groove 31 is slidably provided with a support block 33, and a fourth return spring 32 is provided between the end of each support block 33 and the interior of the corresponding relief groove 31.

[0067] Each of the abutting blocks 33 has an abutting groove 42 on its inner wall. The cross-section of the abutting groove 42 is inclined. One end of each of the clamping rods 8 is inserted into the corresponding abutting groove 42.

[0068] The inner walls of the first semi-circular arc plate 1 and the second semi-circular arc plate 6 are provided with multiple sets of through grooves, and the through grooves are connected to the corresponding relief grooves 31.

[0069] Each of the clamping rods 8 is inserted into the interior of the corresponding abutment groove 42 through the corresponding through groove;

[0070] Each of the through slots has a sliding groove 40 on its inner sidewall, and a slider 39 is slidably disposed inside each of the sliding grooves 40. Each slider 39 is connected to the sidewall of the corresponding clamping rod 8.

[0071] A sixth return spring 41 is provided between the side wall of each slider 39 and the inner side wall of the corresponding slide groove 40;

[0072] In this embodiment: when the first semicircular plate 1 and the second semicircular plate 6 are installed to the pipe, the elastically set clamping rod 8 is held against the pipe wall. When the clamping rod 8 is held against the pipe wall, the holding block 33 is rotated by the cooperation of the holding groove 42, so that the extension length of the clamping rod 8 and the distance between the inner diameter of the circle formed by the first semicircular plate 1 and the second semicircular plate 6 and the outer diameter of the pipe are the same, ensuring that the distance between the end of the hydrophone 5 and the pipe wall is the same when it rotates.

[0073] Specifically, such as Figure 2 and Figures 6-7 As shown, each of the abutting blocks 33 has multiple sets of spaced slots 34 on its outer end face. Each of the relief slots 31 has a fourth storage slot 36 at the position of one of the sets of slots 34 on its inner side wall. A plug 35 is inserted into the fourth storage slot 36, and a fifth return spring 38 is provided between the end of the plug 35 and the inner wall of the corresponding fourth storage slot 36. The plug 35 is elastically disposed inside the fourth storage slot 36 by the fifth return spring 38.

[0074] A fourth airbag 37 is provided between the end of the insert block 35 and the inner wall of the corresponding fourth storage groove 36.

[0075] The connecting part of the first semicircular arc plate 1 and the signal transmission device 2 is provided with a third receiving groove 27, the inside of each third receiving groove 27 is provided with a second extrusion block 28, and the end of each second extrusion block 28 and the inner wall of the corresponding third receiving groove 27 are provided with a third air bag 29;

[0076] The third air bag 29 and the corresponding fourth air bag 37 are provided with a second exhaust pipe 30;

[0077] In this embodiment: when the first semicircular arc plate 1 and the second semicircular arc plate 6 are spliced, the two groups of second extrusion blocks 28 extrude each other, the gas in the third air bag 29 is discharged to the inside of the fourth air bag 37 through the second exhaust pipe 30, the fourth air bag 37 expands, the plug 35 is inserted into the insertion slot 34 provided on the abutting block 33, the rotation limiting of the abutting block 33 is completed, and the clamping rod 8 is limited, so that the first semicircular arc plate 1 and the second semicircular arc plate 6 can be fixed to pipes of various diameters.

[0078] The specific scheme is: the signal transmission device 2 is installed on the first semicircular arc plate 1, then the first semicircular arc plate 1 and the second semicircular arc plate 6 are clamped on the outside of the pipe and spliced, when the first semicircular arc plate 1 and the second semicircular arc plate 6 are spliced, the positioning block 10 is inserted into the positioning slot 9, at this time, the elastically arranged fixing block 24 is inserted into the fixing slot 26, so that the positioning block 10 is fixed in the positioning slot 9;

[0079] When the first semicircular arc plate 1 and the second semicircular arc plate 6 are installed on the pipe, the elastically arranged clamping rod 8 is abutted by the pipe wall, when the clamping rod 8 is abutted by the pipe wall, the abutting block 33 is driven to rotate through the cooperation of the abutting slot 42, so that the extension length of the clamping rod 8 is the same as the interval between the inner diameter of the circle composed of the first semicircular arc plate 1 and the second semicircular arc plate 6 and the outer diameter of the pipe;

[0080] When the first semicircular arc plate 1 and the second semicircular arc plate 6 are spliced, the two groups of second extrusion blocks 28 extrude each other, the gas in the third air bag 29 is discharged to the inside of the fourth air bag 37 through the second exhaust pipe 30, the fourth air bag 37 expands, the plug 35 is inserted into the insertion slot 34 provided on the abutting block 33, the rotation limiting of the abutting block 33 is completed, and the clamping rod 8 is limited;

[0081] After the first semicircular arc plate 1 and the second semicircular arc plate 6 are fixed to the pipe, the hydrophone 5 is screwed into the threaded hole provided in the fixed plate 4, so that the end of the hydrophone 5 is in contact with the surface of the pipe, and the water sound in the pipe is monitored through the hydrophone 5, the fixed plate 4 can be rotated along the limiting slot 7, and the hydrophone 5 can be rotated to any position of the pipe for monitoring;

[0082] When disassembling, the first extrusion block 20 can be pressed, when the first extrusion block 20 is pressed, the first extrusion block 20 drives the fixed block 24 to move out from the inside of the fixed groove 26 through the pull rope 17, and the quick disassembly of the first semicircular arc plate 1 and the second semicircular arc plate 6 is completed.

[0083] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of simplicity.

[0084] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any one of the above-described and other features can be employed in any feasible combination, and any omission, substitution, or change in any feature or combination of features, as well as any equivalent thereof, should be considered to be within the scope of the present application.

Claims

1. A hydrophone and signal transmission device, comprising a signal transmission device (2), an input end of the signal transmission device (2) is connected with a transmission line (3), the other end of the transmission line (3) is connected with a hydrophone (5); characterized in that, Also include: The first half of the circular arc plate (1) is installed at the lower end of the signal transmission device (2), and the side of the first half of the circular arc plate (1) away from the signal transmission device (2) is provided with the second half of the circular arc plate (6); The connecting assembly is used for connecting the first half of the circular arc plate (1) and the second half of the circular arc plate (6), the connecting assembly comprises a positioning block (10) mounted on the second half of the circular arc plate (6), and the first half of the circular arc plate (1) is provided with a positioning groove (9) corresponding to the position of the positioning block (10); The adjusting assembly is arranged on the inner wall of the first half of the circular arc plate (1) and the second half of the circular arc plate (6), which is used for adjusting the center of the circular ring composed of the first half of the circular arc plate (1) and the signal transmission device (2) and the center of the pipeline to be consistent, and the adjusting assembly comprises a plurality of clamping rods (8) which are elastically connected with the inner wall of the first half of the circular arc plate (1) and the second half of the circular arc plate (6); When the first half of the circular arc plate (1) and the second half of the circular arc plate (6) are spliced, the positioning block (10) is inserted into the inside of the positioning groove (9); The two side walls of the positioning block (10) are provided with a second receiving groove (21), and the inside of each second receiving groove (21) is provided with a fixed block (24), and the end of the fixed block (24) and the inner wall of the corresponding second receiving groove (21) are provided with a third reset spring (23); The inside of the positioning groove (9) is provided with a fixed groove (26) corresponding to the position of the fixed block (24), and the fixed block (24) is elastically inserted into the inside of the fixed groove (26) through the third reset spring (23); The end of the fixed block (24) away from the third reset spring (23) is provided with an inclined surface (25); The lower end of the second half of the circular arc plate (6) is provided with a first receiving groove (18), the inside of the first receiving groove (18) is provided with a first extrusion block (20), and the upper end of the first extrusion block (20) and the inside top of the first receiving groove (18) are provided with a second reset spring (19); The inside of the first receiving groove (18) is provided with a first through hole (16) between the side wall and the corresponding second receiving groove (21), the inside of the first through hole (16) is provided with a pull rope (17), and the two ends of the pull rope (17) are connected with the side wall of the first extrusion block (20) and the end of the corresponding fixed block (24) respectively.

2. A hydrophone and signal transmission device according to claim 1, wherein, The side wall of the first half of the circular arc plate (1) and the second half of the circular arc plate (6) is provided with a limiting groove (7), the ends of the two limiting grooves (7) are connected with each other, and the limiting groove (7) is provided with a fixed plate (4) which slides thereon; The hydrophone (5) is screwed into the threaded hole provided on the fixed plate (4).

3. A hydrophone and signal transmission device according to claim 2, wherein, The second half circular arc plate (6) is internally provided with a plurality of groups of interval distribution accommodating grooves (31), and each accommodating groove (31) is internally slidably provided with an abutting block (33), and the end of each abutting block (33) and the inner wall of the corresponding accommodating groove (31) are provided with a fourth reset spring (32). The inner wall of each abutting block (33) is provided with an abutting groove (42), and the cross section of the abutting groove (42) is in an inclined state, and one end of each clamping rod (8) is inserted into the inner wall of the corresponding abutting groove (42). The inner wall of the first half circular arc plate (1) and the second half circular arc plate (6) is provided with a plurality of groups of through grooves, and the through grooves are communicated with the accommodating grooves (31); 4. A hydrophone and signal transmission device according to claim 1, wherein, Each clamping rod (8) is inserted into the inner wall of the corresponding abutting groove (42) through the corresponding through groove; The inner wall of each through groove is provided with a sliding groove (40), and the inner wall of each sliding groove (40) is slidably provided with a sliding block (39), and the sliding block (39) and the side wall of the corresponding clamping rod (8) are connected.

5. A hydrophone and signal transmission device according to claim 4, wherein, The side wall of each sliding block (39) and the inner wall of the corresponding sliding groove (40) are provided with a sixth reset spring (41). The outer end face of each abutting block (33) is provided with a plurality of groups of interval distribution insertion grooves (34), and the inner wall of each accommodating groove (31) is provided with a fourth accommodating groove (36) corresponding to one group of insertion grooves (34), and the fourth accommodating groove (36) is internally inserted with an insertion block (35), and the end of the insertion block (35) and the inner wall of the corresponding fourth accommodating groove (36) are provided with a fifth reset spring (38), and the insertion block (35) is elastically arranged in the fourth accommodating groove (36) through the fifth reset spring (38). The end of the insertion block (35) and the inner wall of the corresponding fourth accommodating groove (36) are provided with a fourth gas bag (37); The connection part of the first half circular arc plate (1) and the signal transmission device (2) is provided with a third accommodating groove (27), and the inner wall of each third accommodating groove (27) is provided with a second extrusion block (28), and the end of each second extrusion block (28) and the inner wall of the corresponding third accommodating groove (27) are provided with a third gas bag (29); 6. A hydrophone and signal transmission device according to claim 5, wherein, ​ 7. A hydrophone and signal transmission device according to claim 6, wherein, ​ ​ Each of the third air bags (29) and the corresponding fourth air bags (37) is provided with a second exhaust duct (30).

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