Underwater double-hook parallel release device

Abstract

The utility model discloses an underwater double-hook parallel release device, which comprises a sealing cylinder, an acoustic control assembly and a release mechanism, and is characterized in that the release mechanism comprises motors which are symmetrically connected above a lower end cover of the sealing cylinder and are positioned in the sealing cylinder; the rotating shaft penetrates through the lower end cover and is connected with driving shafts of the two motors; the mounting side plates are symmetrically connected to the lower end of the lower end cover; the release rod assembly is connected between the two mounting side plates through a first supporting shaft; the release hook assembly is connected between the two mounting side plates through a second supporting shaft, and the upper end of the release hook assembly is connected with the lower part of the release rod assembly; the non-connecting ends of the rotating shafts penetrate through the corresponding ends of the release rod assembly and then are connected through release nuts. The utility model has the advantages of reasonable design, safety, practicability, stability and reliability, solves the high cost problems of limited motor type selection, uneven stress and the need of using two sets of release devices to increase reliability, and saves the use cost; and meanwhile, the reformability is high, and the use intensity range of the device is expanded.

Description

Technical Field

[0001] The utility model relates to an underwater double-hook parallel releasing device, which is mainly used for recovering and deploying hydroacoustic measurement equipment in marine engineering and belongs to the technical field of acoustic releasing devices. Background Art

[0002] Generally speaking, acoustic release devices are deployed on the seabed along with the equipment, often only being released once every two weeks, a month, or even once every year or two. Because deploying a device on the seabed is extremely difficult, they are rarely deployed frequently. Even when they are deployed, they need to be simple and reliable.

[0003] Currently, there are many types of acoustic release devices, but most of them rely on a servo motor to drive the hook to rotate to the release angle, and use the anchor and separation mechanism's own weight or the tension of the rope tied to its hook to complete the release action. This device relies on the precise control of the servo motor, which limits the motor selection; and the release rod structure is asymmetrically stressed, resulting in additional bending moment loads on the shaft, posing a safety hazard to the strength of the mechanism when subjected to large release loads; in addition, to improve the reliability of underwater release, the release devices on the market often use two sets of devices combined with chains to form a parallel connection when actually used, to jointly complete the release of underwater equipment (that is, at least one set of release devices must work properly to complete the release purpose). This method adds additional cost of use and the operation process is cumbersome.

[0004] Therefore, the key to solving the above technical problems is to develop a highly reliable underwater double-hook parallel release device. Summary of the Invention

[0005] In view of the many defects and shortcomings in the above-mentioned background technology, the present invention has made improvements and innovations thereto, with the aim of providing an underwater double-hook parallel release device that is rationally designed, safe and reliable, thereby solving the problems of limited motor selection, uneven force, and high cost of use due to the need to use two sets of release devices to increase reliability, saving use costs and being simple and reliable to operate.

[0006] Another purpose of the present invention is that it has strong transformability and expands the use intensity range of the device.

[0007] In order to solve the above problems and achieve the above invention objectives, the utility model is an underwater double-hook parallel release device which is realized by adopting the following design structure and the following technical solutions:

[0008] As an improvement of the underwater double-hook parallel release device of the utility model, it comprises a sealing cylinder (1) and an acoustic control component (2) arranged at one end of the sealing cylinder (1), and also comprises a release mechanism arranged at the other end of the sealing cylinder (1), wherein the release mechanism comprises:

[0009] The motor (3) is symmetrically connected above the lower end cover (11) of the sealing cylinder (1) and is located inside the sealing cylinder (1);

[0010] A rotating shaft (4), the rotating shaft (4) passes through the bottom of the lower end cover (11) and is connected to the drive shafts of the two motors (3);

[0011] Installing the side panels (5), wherein the side panels (5) are symmetrically and detachably connected to the lower end surface of the lower end cover (11);

[0012] A release lever assembly (6), the release lever assembly (6) is connected to the upper portion between the two mounting side plates (5) via a first support shaft (61);

[0013] A release hook assembly (7), the release hook assembly (7) is connected to the lower portion between the two mounting side plates (5) via a second support shaft (71), and the upper end of the release hook assembly (7) is in contact with the lower portion of the release lever assembly (6);

[0014] The non-connected end of each rotating shaft (4) passes through the corresponding side of the release lever assembly (6) and is connected via a release nut (8).

[0015] As an improvement of the above-mentioned utility model, a shaft connecting hole connected to the drive shaft of the motor (3) is provided inwardly at the middle of one end of the shaft (4), an external thread section adapted to the release nut (8) is provided at the other end of the shaft (4), two shaft radial sealing grooves are also provided at the middle and upper part of the shaft (4), and O-rings are installed in the shaft radial sealing grooves, wherein a bearing (41) is also connected to the shaft (4) near one end of the shaft connecting hole.

[0016] As a further improvement of the above-mentioned utility model, the mounting side plate (5) comprises:

[0017] A fixing plate (51), with fixing holes extending through both ends of the fixing plate (51) and adapted to connect with the lower end cover (11);

[0018] The mounting plate (52) is vertically connected to the fixed plate (51), and a U-shaped opening is provided inwardly in the middle of the non-connected end of the mounting plate (52). Second support shaft mounting holes adapted to the second support shaft are provided on both sides of the mounting plate (52) near the end of the U-shaped opening, and first support shaft mounting holes adapted to the first support shaft are symmetrically provided on both sides of the mounting plate (52) near the end of the fixed plate (51);

[0019] A reinforcement plate (53) is further connected to the middle of the angle between the fixing plate (51) and the mounting plate (52).

[0020] As a further improvement of the above-mentioned utility model, the release lever assembly (6) includes:

[0021] A first support shaft (61), the first support shaft (61) is rotatably connected to the upper portion of one end of each release cross bar (62), and both ends of the first support shaft (61) are rotatably connected to the corresponding first support shaft mounting holes between the two mounting side plates (5);

[0022] Release cross bars (62), the release cross bars (62) are arranged relatively parallel to each other;

[0023] The limiting piece (63) is detachably mounted on the other end of each release cross bar (62) through a locking piece.

[0024] As a further improvement of the above-mentioned utility model, the release cross bar (62) is in a T-shaped structure as a whole, and a release cross bar rotation connection hole adapted to be connected to the first support shaft (61) is provided above one end of the short rod of the release cross bar (62), and a rectangular opening is provided inwardly at the middle of the non-connecting end of the long rod of the release cross bar (62), and locking holes are provided on the release cross bar (62) on both sides of the rectangular opening;

[0025] The limiting plate (63) comprises a baffle and L-shaped connecting plates symmetrically connected to both sides of the baffle, and a release nut limiting plate connected between the two L-shaped connecting plates and below the baffle. The upper portion of the baffle is symmetrically provided with limiting plate connecting holes adapted to the locking holes.

[0026] The release cross bars (62) on both sides of the rectangular opening end are also provided with chamfers.

[0027] As a further improvement of the above-mentioned utility model, the release hook assembly (7) includes

[0028] A second support shaft (71), the second support shaft (71) is rotatably connected to each release hook (72), and both ends of the second support shaft (71) are rotatably connected to the corresponding second support shaft mounting holes between the two mounting side plates (5);

[0029] The release hooks (72) are staggered and connected to each other to form a double hook, and the double hooks together constitute a parallel release operation.

[0030] As a further improvement of the above-mentioned utility model, the release hook (72) includes an arc-shaped hook body and a connecting block connected to one side of one end of the hook body, the hook body close to the end of the connecting block is provided with a rotation hole along its thickness direction, and the non-connecting end of the connecting block is in contact with the inner wall of the short rod of the release cross bar (62), wherein the thickness of the hook body is twice the thickness of the connecting block.

[0031] As a further improvement of the above-mentioned utility model, the working end of the motor (3) is connected to the upper part of the lower end cover (11) through the motor mounting plate (31), and the drive shaft of the motor (3) is inserted into the shaft connecting hole of the rotating shaft (4).

[0032] As a further improvement of the above-mentioned utility model, the sealing cylinder (1) includes a cylinder body and a lower end cover (11) connected to one end of the cylinder body and an upper end cover (12) connected to the other end of the cylinder body; the upper end cover (12) and the lower end cover (11) are both provided with two radial sealing grooves, and O-rings are installed in the radial sealing grooves. The upper end cover (12) and the lower end cover (11) are installed at both ends of the cylinder body by screw connection, and together form a watertight and pressure-resistant sealing cylinder body.

[0033] As a further improvement of the above-mentioned utility model, the acoustic control component (2) includes:

[0034] A hanging cage (21) is detachably mounted above the upper end cover (12);

[0035] a transmitting and receiving transducer (22), the transmitting and receiving transducer (22) being connected above the upper end cover (12) and being located in the hanging cage (21);

[0036] A watertight switch socket (23), which is connected to the upper end cover (12) on one side of the transducer (22) and is located in the cage (21);

[0037] A watertight switch plug (24), which is connected to a watertight switch socket (23);

[0038] A signal processing and control circuit (25), one end of which is detachably connected to the bottom of the upper end cover (12) and is located in the sealing cylinder (1);

[0039] A battery (26), the battery (26) is connected to the other end of the signal processing and control circuit (25);

[0040] A fixed retaining ring (27) is installed inside the upper end cover (12) through bolts to fix the depth sensor (28).

[0041] The working principle is as follows: when in use, the operator first connects one end of the release object (9) (release device or abandoned structure) through a cable or chain, and the other end of the cable or chain can be connected to a U-shaped unloading ring;

[0042] Then, the operator inserts the U-shaped unloading ring connected with the release object (9) into the two closed release hooks (72), or directly ties it to the round holes of the two release hooks (72) with a cable or chain;

[0043] Next, the operator inserts the watertight switch plug (24) to power the device;

[0044] Then, the operator goes into the water to deploy the release device, the depth sensor (28) monitors the depth of the device, and the transducer (22) feeds back the underwater acoustic signal to the surface equipment until the predetermined release depth is reached;

[0045] Subsequently, the operator selects a cable with a corresponding tensile strength, connects the hydroacoustic measuring device or the buoy (depending on the specific application) to the hanging hole of the hanging cage (21), and launches the hydroacoustic measuring device or the buoy;

[0046] Then, a sound source supporting the water surface is used to send a release command, the transducer (22) receives the underwater sound signal, the signal processing and control circuit (25) processes the signal and drives the motor (3) to drive the rotating shaft (4) connected thereto to rotate, and as the rotating shaft (4) continues to rotate, the release nut (8) connected to the rotating shaft (4) falls down under the limit of the limit plate (63) and the action of gravity, and the release cross bar (62) loses the limit of the release nut (8) and rotates with the first support shaft (61) as the fulcrum;

[0047] At the same time, the release hook (72) loses the restriction of the release crossbar (62) with which it is in contact and connected, and rotates with the second support shaft (71) as the fulcrum;

[0048] Finally, the locking openings of the two release hooks (72) are opened, and the released object (9) falls, completing the underwater release purpose, and the hydroacoustic measuring equipment is recovered or the device is recovered after the buoy rises, thus completing the release work of the device.

[0049] During the above-mentioned release operation, the operator can use two motors (3) to open the two release hooks (72) to release the release object (9), or can use only one of the motors (3) to open the corresponding release hook (72) to release the release object (9). Both opening methods can achieve the release purpose.

[0050] Compared with the prior art, the beneficial effects of the present invention are:

[0051] 1. The underwater double-hook parallel release device of the utility model has a modular design and is highly adaptable. It can be used underwater and can also be used on land with slight modifications, such as replacing the transducer with a cable or wireless transmission of the release command.

[0052] 2. The driving structure of this device is simple. It only requires the motor to provide the torque required to release the load. There is no need to accurately control the rotation angle or number of turns of the shaft, which expands the range of motor selection. In addition, the use of a two-stage force reduction lever reduces the motor power and expands the range of intensity of use of the device.

[0053] 3. This device adopts a double-hook design, and each release hook is independently driven by a different motor, forming a double-hook parallel release mode, which improves the release reliability of the device, avoids using two release devices in parallel to improve reliability, and saves use costs; and the release nut is a standard part and easy to obtain;

[0054] 4. The utility model has a reasonable design, which solves the problems of limited motor selection, uneven force, and high cost of use due to the need to use two sets of release devices to increase reliability, thus saving use costs;

[0055] 5. The utility model has high flexibility. It can open two release hooks and release the released object through two motors, or it can open the corresponding release hook and release the released object through only one of the motors.

[0056] 6. The utility model is easy to use, safe and reliable. The hanging cage can protect the receiving and transmitting transducer during use to prevent it from being bumped. At the same time, a rounded hanging hole is provided on the top of the hanging cage, which can be connected to the water surface hydroacoustic measurement equipment with a cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0058] Figure 1 This is one of the usage state diagrams of the utility model;

[0059] Figure 2 This is the second diagram of the use state of the utility model;

[0060] Figure 3 This is the third diagram of the use state of the utility model;

[0061] Figure 4 This is the fourth diagram of the use state of the utility model;

[0062] Figure 5 This is the fifth diagram of the use state of the utility model;

[0063] Figure 6 It is a schematic diagram of the overall structure of the utility model;

[0064] Figure 7 This is an exploded view of the connection relationship between the acoustic control component (2) and the upper end cover (12) of the utility model;

[0065] Figure 8 This is one of the schematic diagrams of the connection relationship between the release mechanism and the lower end cover (11) of the utility model;

[0066] Figure 9 This is the second schematic diagram of the connection relationship between the release mechanism and the lower end cover (11) of the utility model;

[0067] Figure 10 This is one of the schematic exploded views of the connection relationship between the release mechanism and the lower end cover (11) of the utility model;

[0068] Figure 11 This is the second schematic exploded view of the connection relationship between the release mechanism and the lower end cover (11) of the utility model;

[0069] Among them, the numbers in the figure are: 1-sealing cylinder, 11-lower end cover, 12-upper end cover;

[0070] 2—Acoustic control assembly, 21—Cage, 22—Transmitter and receiver transducer, 23—Watertight switch socket, 24—Watertight switch plug, 25—Signal processing and control circuit, 26—Battery, 27—Fixed retaining ring, 28—Depth sensor;

[0071] 3—motor, 31—motor mounting plate;

[0072] 4—rotating shaft, 41—bearing;

[0073] 5—installation side panel, 51—fixing plate, 52—installation plate, 53—reinforcement plate;

[0074] 6 - release lever assembly, 61 - first support shaft, 62 - release crossbar, 63 - limit plate;

[0075] 7 - release hook assembly, 71 - second support shaft, 72 - release hook;

[0076] 8—Release nut;

[0077] 9—Releases. DETAILED DESCRIPTION

[0078] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other unless there is a conflict. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0079] like Figures 1 to 11 As shown, an underwater double-hook parallel release device includes a sealing cylinder 1 and an acoustic control component 2 arranged at one end of the sealing cylinder 1, and also includes a release mechanism arranged at the other end of the sealing cylinder 1, the release mechanism including:

[0080] The motor 3 is symmetrically connected above the lower end cover 11 of the sealing cylinder 1 and is located inside the sealing cylinder 1;

[0081] The rotating shaft 4 passes through the bottom of the lower end cover 11 and is connected to the drive shafts of the two motors 3;

[0082] Install the side panels 5, which are symmetrically and detachably connected to the lower end surface of the lower end cover 11;

[0083] A release lever assembly 6 is connected to the upper portion between the two mounting side plates 5 via a first support shaft 61;

[0084] The release hook assembly 7 is connected to the lower portion between the two mounting side plates 5 via a second support shaft 71 , and the upper end of the release hook assembly 7 is in contact with the lower portion of the release lever assembly 6 ;

[0085] The non-connected end of each rotating shaft 4 passes through the corresponding side of the release lever assembly 6 and is connected via the release nut 8 .

[0086] like Figure 10 As shown, a shaft connecting hole connected to the drive shaft of the motor 3 is opened inward at the middle of one end of the shaft 4, and an external threaded section adapted to the release nut 8 is opened at the other end of the shaft 4. Two shaft radial sealing grooves are also opened in the upper and middle part of the shaft 4, and O-rings are installed in the shaft radial sealing grooves. A bearing 41 is also connected to the shaft 4 near one end of the shaft connecting hole.

[0087] In the present invention, the bearing 41 is a thrust ball bearing; two radial shaft sealing grooves are designed on the shaft 4, and O-rings are installed in the radial shaft sealing grooves to ensure the complete watertightness of the device.

[0088] The external threaded section at the lower part of the rotating shaft 4 passes through the release cross rod 62 and is located in the middle of the rectangular opening. The release cross rod 62 is connected and fixed to the rotating shaft 4 by a release nut 8. The two groups of release cross rods 62 of this partial structure and the shape and structure of the two rotating shafts 4 are completely consistent, so that the force on the rotating shaft 4 is symmetrical, which controls the generation of additional bending moment.

[0089] like Figure 11 As shown, the mounting side plate 5 includes:

[0090] A fixing plate 51, with fixing holes extending through both ends of the fixing plate 51 and adapted to connect with the lower end cover 11;

[0091] The mounting plate 52 is vertically connected to the fixed plate 51. A U-shaped opening is opened inwardly in the middle of the non-connected end of the mounting plate 52. Second support shaft mounting holes adapted to the second support shaft are opened through on both sides of the mounting plate 52 near the U-shaped opening end. First support shaft mounting holes adapted to the first support shaft are symmetrically opened on both sides of the mounting plate 52 near the fixed plate 51 end;

[0092] A reinforcement plate 53 is connected to the middle of the angle between the fixing plate 51 and the mounting plate 52 .

[0093] like Figure 10 As shown, the release lever assembly 6 includes:

[0094] The first support shaft 61 is rotatably connected to the upper portion of one end of each release cross bar 62, and the two ends of the first support shaft 61 are rotatably connected to the corresponding first support shaft mounting holes between the two mounting side plates 5;

[0095] Release cross bars 62 , which are arranged relatively parallel to each other;

[0096] The limiting pieces 63 are detachably mounted on the other end of each release cross bar 62 through locking pieces.

[0097] In the present invention, the first support shaft 61 is a cylindrical structure as a whole.

[0098] Specifically, such as Figure 10 As shown, the release cross bar 62 is in a T-shaped structure as a whole. A release cross bar rotation connection hole adapted to be connected to the first support shaft 61 is provided on the upper side of one end of the short rod of the release cross bar 62. A rectangular opening is provided inwardly at the middle of the non-connecting end of the long rod of the release cross bar 62. Locking holes are provided on the release cross bar 62 on both sides of the rectangular opening.

[0099] The limiting plate 63 includes a baffle and L-shaped connecting plates symmetrically connected on both sides of the baffle, and a release nut limiting plate connected between the two L-shaped connecting plates and below the baffle. The upper part of the baffle is symmetrically provided with limiting plate connecting holes adapted to the locking holes.

[0100] The release crossbars 62 on both sides of the rectangular opening are chamfered.

[0101] In the present utility model, a bayonet that matches the structure of one side of the release nut 8 is provided on the release nut limit plate of the limit plate 63. The limit plate 63 is used to limit the release nut 8 and the rotating shaft 4. Furthermore, the bayonet of the limit plate 63 is used to limit the rotation of the release nut 8 during the release process.

[0102] Further, such as Figure 10 As shown, the release hook assembly 7 includes

[0103] The second support shaft 71 is rotatably connected to each release hook 72, and both ends of the second support shaft 71 are rotatably connected to the corresponding second support shaft mounting holes between the two mounting side plates 5;

[0104] The release hooks 72 are staggered and connected to each other to form a double hook, and the double hooks together constitute a parallel release operation.

[0105] In the present invention, both release hooks 72 can be activated or only one of them can be activated to achieve the release purpose; the second support shaft 71 includes a second support column and a second support limiting ring connected to the outer wall of one side of the second support column.

[0106] Further, such as Figure 10 As shown, the release hook 72 includes an arc-shaped hook body and a connecting block connected to one side of one end of the hook body, and the hook body near the end of the connecting block is provided with a rotation hole along its thickness direction, and the non-connecting end of the connecting block is in contact with the inner wall of the short rod of the release cross bar 62, wherein the thickness of the hook body is twice the thickness of the connecting block.

[0107] Further, such as Figure 11 As shown, the working end of the motor 3 is connected to the top of the lower end cover 11 through the motor mounting plate 31 , and the driving shaft of the motor 3 is inserted into the shaft connecting hole of the rotating shaft 4 .

[0108] In the present invention, the motor 3 drives the drive shaft to rotate and drives the rotating shaft 4 to rotate to complete the disengagement of the release nut 8, thereby releasing the connection with the non-first support shaft end of the release cross bar 62. Finally, the hoisted object is separated from the release hook 72 under the action of gravity.

[0109] Further, such as Figure 5 and Figure 7 As shown, the sealing cylinder 1 includes a cylinder body and a lower end cover 11 connected to one end of the cylinder body and an upper end cover 12 connected to the other end of the cylinder body; the upper end cover 12 and the lower end cover 11 are both provided with two radial sealing grooves, and O-rings are installed in the radial sealing grooves. The upper end cover 12 and the lower end cover 11 are installed at both ends of the cylinder body by screw connection, and together constitute a watertight and pressure-resistant sealing cylinder body.

[0110] In the present invention, the cylinder body is a cylindrical structure with both ends open and the interior hollow. The cylinder body has cylinder body connection holes for connecting the upper end cover 12 and the lower end cover 11 in a circumferential direction at both ends of the cylinder body; the outer periphery of the lower end cover 11 is provided with a plurality of lower end cover connection holes adapted to connect with the cylinder body; the middle part of the lower end cover 11 is provided with two rotating shaft mounting holes coaxially through it for mounting the rotating shaft 4; the two ends of the rotating shaft mounting hole are symmetrically provided with mounting side plate connection holes for connecting the mounting side plate 5;

[0111] The outer periphery of the upper end cover 12 is provided with a plurality of upper end cover connecting holes adapted to be connected to the cylinder body. The upper end cover 12 is provided with a receiving and transmitting transducer mounting hole for connecting the receiving and transmitting transducer, a watertight switch socket mounting hole for connecting the watertight switch socket, and a depth sensor mounting hole for connecting the depth sensor.

[0112] Further, such as Figure 7 As shown, the acoustic control component 2 includes:

[0113] The cage 21 is detachably mounted above the upper end cover 12;

[0114] The receiving and transmitting transducer 22 is connected to the upper end cover 12 and is located in the cage 21;

[0115] A watertight switch socket 23 is connected to the upper end cover 12 on one side of the transducer 22 and is located in the cage 21;

[0116] A watertight switch plug 24 is connected to the watertight switch socket 23;

[0117] The signal processing and control circuit 25 has one end detachably connected to the bottom of the upper end cover 12 and is located inside the sealing cylinder 1;

[0118] A battery 26 connected to the other end of the signal processing and control circuit 25;

[0119] The fixing retaining ring 27 is installed inside the upper end cover 12 by bolts to fix the depth sensor 28.

[0120] In the present invention, the cage 21 is used to protect the receiving and transmitting transducer 22 to prevent it from being collided during use; the cage 21 includes connecting rings arranged opposite to each other and eight vertical poles equidistantly connected between the two connecting rings, and a hanging plate is connected above one of the connecting rings, and a rounded hanging hole is opened on the hanging plate; the upper part of the release device can be connected to the water surface hydroacoustic measurement equipment with a cable through the hanging hole.

[0121] In summary, the more specific implementation methods of the present invention are:

[0122] Before using the underwater double-hook parallel release device of the above-mentioned design structure, the already manufactured device needs to be installed as a backup.

[0123] When installing the release mechanism, the operator first connects the upper portion of the left release hook 72 with the inner wall of the short rod of the right release cross bar 62, as shown in FIG. Figure 1 and Figure 9 In the position shown, the threaded section of the left rotating shaft 4 is located in the rectangular opening of the release cross bar 62, and then the release nut 8 is installed on the threaded section of the left rotating shaft 4, so that the release nut 8 has a slight pre-tightening force; then, the limiting piece 63 is connected to the rectangular opening of the release cross bar 62 with a locking member; now the motor 3, the rotating shaft 4, the first support shaft 61, the release cross bar 62, the limiting piece 63, the second support shaft 71 and the release hook 72 together constitute a complete left-side release mechanism, which is driven solely by the left motor 3 to complete the release operation;

[0124] Repeat the above steps to connect and fix the release mechanism on the other side. At this time, the double hooks are closed and the device is in a locked state, which means that the installation of the entire device is completed and it can be used after installation.

[0125] When in use, the operator first connects one end of the release device or abandoned structure of the release object 9 through a cable or chain, and the other end of the cable or chain can be connected to a U-shaped unloading ring;

[0126] Then, the operator inserts the U-shaped unloading ring connected with the release object 9 into the two closed release hooks 72, or directly ties it to the round holes of the two release hooks 72 with a cable or chain;

[0127] Next, the operator inserts the watertight switch plug 24 to power the device;

[0128] Then, the operator goes into the water to deploy the release device, the depth sensor 28 monitors the depth of the device, and the transducer 22 feeds back the underwater acoustic signal to the surface equipment until the predetermined release depth is reached;

[0129] Then, the operator selects a cable with a corresponding tensile strength, connects the hydroacoustic measuring device or the buoy to the hanging hole of the cage 21 according to the specific application, and launches the hydroacoustic measuring device or the buoy;

[0130] Then, a release command is sent using a matching sound source on the water surface. The transducer 22 receives the underwater acoustic signal. The signal processing and control circuit 25 processes the signal and drives the motor 3 to rotate the rotating shaft 4 connected thereto. As the rotating shaft 4 continues to rotate, the release nut 8 connected to the rotating shaft 4 falls due to the limit of the limit plate 63 and the action of gravity. After the release crossbar 62 loses the limit of the release nut 8, it rotates around the first support shaft 61 as the fulcrum.

[0131] At the same time, the release hook 72 loses the restriction of the release crossbar 62 that is in contact with it and rotates around the second support shaft 71 as a fulcrum.

[0132] Finally, the locking openings of the two release hooks 72 are opened, and the released object 9 falls, completing the underwater release purpose. The hydroacoustic measuring equipment is recovered or the device is recovered after the buoy floats up, thus completing the release work of the device.

[0133] During the above-mentioned release operation, the operator can use two motors 3 to open the two release hooks 72 to release the released object 9, or only use one of the motors 3 to open the corresponding release hook 72 to release the released object 9. Both opening methods can achieve the release purpose.

[0134] If the underwater device is to be used again, the operator removes the limiting piece 63 and repeats the above installation and use steps to release the underwater device next time.

[0135] Finally, as time goes by, after the work is completed, the operator only needs to clean the various components of the utility model, and then move them to the designated tool storage location for storage by manual or corresponding handling equipment, so as to prepare for the next cycle of use.

[0136] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and does not constitute any other limitation to the present invention. Any person skilled in the art may utilize the above-disclosed technical content to modify or remodel the present invention into equivalent embodiments. However, any simple modifications, equivalent variations, and modifications to the above embodiments that do not depart from the technical content of the present invention and are based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. An underwater double-hook parallel release device, comprising a sealing cylinder (1) and an acoustic control component (2) arranged at one end of the sealing cylinder (1), characterized in that: It also includes a release mechanism arranged at the other end of the sealing cylinder (1), the release mechanism comprising: The motor (3) is symmetrically connected above the lower end cover (11) of the sealing cylinder (1) and is located inside the sealing cylinder (1); A rotating shaft (4), the rotating shaft (4) passes through the bottom of the lower end cover (11) and is connected to the drive shafts of the two motors (3); Installing the side panels (5), wherein the side panels (5) are symmetrically and detachably connected to the lower end surface of the lower end cover (11); A release lever assembly (6), the release lever assembly (6) is connected to the upper portion between the two mounting side plates (5) via a first support shaft (61); A release hook assembly (7), the release hook assembly (7) is connected to the lower portion between the two mounting side plates (5) via a second support shaft (71), and the upper end of the release hook assembly (7) is in contact with the lower portion of the release lever assembly (6); The non-connected end of each rotating shaft (4) passes through the corresponding side of the release lever assembly (6) and is connected via a release nut (8).

2. An underwater double-hook parallel release device according to claim 1, characterized in that: A shaft connection hole connected to the drive shaft of the motor (3) is provided inwardly at the middle of one end of the shaft (4); an external thread section adapted to the release nut (8) is provided at the other end of the shaft (4); two shaft radial sealing grooves are also provided at the middle and upper part of the shaft (4); O-rings are installed in the shaft radial sealing grooves; and a bearing (41) is also connected to the shaft (4) near one end of the shaft connection hole.

3. The underwater double-hook parallel release device according to claim 1, characterized in that: The mounting side plate (5) comprises: A fixing plate (51), with fixing holes extending through both ends of the fixing plate (51) and adapted to connect with the lower end cover (11); The mounting plate (52) is vertically connected to the fixed plate (51), and a U-shaped opening is provided inwardly in the middle of the non-connected end of the mounting plate (52). Second support shaft mounting holes adapted to the second support shaft are provided on both sides of the mounting plate (52) near the end of the U-shaped opening, and first support shaft mounting holes adapted to the first support shaft are symmetrically provided on both sides of the mounting plate (52) near the end of the fixed plate (51); A reinforcement plate (53) is further connected to the middle of the angle between the fixing plate (51) and the mounting plate (52).

4. The underwater double-hook parallel release device according to claim 1, characterized in that: The release lever assembly (6) comprises: A first support shaft (61), the first support shaft (61) is rotatably connected to the upper portion of one end of each release cross bar (62), and both ends of the first support shaft (61) are rotatably connected to the corresponding first support shaft mounting holes between the two mounting side plates (5); Release cross bars (62), the release cross bars (62) are arranged relatively parallel to each other; The limiting piece (63) is detachably mounted on the other end of each release cross bar (62) through a locking piece.

5. The underwater double-hook parallel release device according to claim 4, characterized in that: The release cross bar (62) is in a T-shaped structure as a whole. A release cross bar rotation connection hole adapted to be connected to the first support shaft (61) is provided through one end of the short rod of the release cross bar (62). A rectangular opening is provided inwardly at the middle of the non-connecting end of the long rod of the release cross bar (62). Locking holes are provided on the release cross bar (62) on both sides of the rectangular opening. The limiting plate (63) comprises a baffle and L-shaped connecting plates symmetrically connected to both sides of the baffle, and a release nut limiting plate connected between the two L-shaped connecting plates and below the baffle. The upper portion of the baffle is symmetrically provided with limiting plate connecting holes adapted to the locking holes. The release cross bars (62) on both sides of the rectangular opening end are also provided with chamfers.

6. The underwater double-hook parallel release device according to claim 1, characterized in that: The release hook assembly (7) comprises A second support shaft (71), the second support shaft (71) is rotatably connected to each release hook (72), and both ends of the second support shaft (71) are rotatably connected to the corresponding second support shaft mounting holes between the two mounting side plates (5); The release hooks (72) are staggered and connected to each other to form a double hook, and the double hooks together constitute a parallel release operation.

7. An underwater double-hook parallel release device according to claim 6, characterized in that: The release hook (72) comprises an arc-shaped hook body and a connecting block connected to one side of one end of the hook body, a rotation hole is opened along the thickness direction of the hook body near the end of the connecting block, and the non-connecting end of the connecting block is in contact with the inner wall of the short rod of the release cross bar (62), wherein the thickness of the hook body is twice the thickness of the connecting block.

8. The underwater double-hook parallel release device according to claim 1, characterized in that: The working end of the motor (3) is connected to the upper part of the lower end cover (11) through a motor mounting plate (31), and the driving shaft of the motor (3) is inserted into the rotating shaft connecting hole of the rotating shaft (4).

9. The underwater double-hook parallel release device according to claim 1, characterized in that: The sealing cylinder (1) comprises a cylinder body, a lower end cover (11) connected to one end of the cylinder body, and an upper end cover (12) connected to the other end of the cylinder body; the upper end cover (12) and the lower end cover (11) are both provided with two radial sealing grooves, in which O-rings are installed; the upper end cover (12) and the lower end cover (11) are connected and installed at both ends of the cylinder body by screws, and together form a watertight and pressure-resistant sealing cylinder body.

10. The underwater double-hook parallel release device according to claim 1, characterized in that: The acoustic control component (2) comprises: A hanging cage (21) is detachably mounted above the upper end cover (12); a transmitting and receiving transducer (22), the transmitting and receiving transducer (22) being connected above the upper end cover (12) and being located in the hanging cage (21); A watertight switch socket (23), which is connected to the upper end cover (12) on one side of the transducer (22) and is located in the cage (21); A watertight switch plug (24), which is connected to a watertight switch socket (23); A signal processing and control circuit (25), one end of which is detachably connected to the bottom of the upper end cover (12) and is located in the sealing cylinder (1); A battery (26), the battery (26) is connected to the other end of the signal processing and control circuit (25); A fixed retaining ring (27) is installed inside the upper end cover (12) through bolts to fix the depth sensor (28).

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