Sinking automatic anchoring device of acoustic positioning beacon and operation method

Abstract

The invention discloses a sinking automatic anchoring device of an acoustic positioning beacon and an operation method, the sinking automatic anchoring device comprises a base and a top cover which are connected with each other, and a cavity structure is formed inside; a winch is fixed in the base through a fastener, an anchor cable is wound on the winch, the front end of the anchor cable is connected with an acoustic releaser through a rope lock catch, an acoustic positioning beacon is hinged to the top surface of the acoustic releaser, and the upper part of the acoustic positioning beacon is located at the top access round hole; a control cabin is fixed in the base beside the winch; a driving rack assembly is fixed in the base at the bottom of the winch, and the output end of the driving rack assembly is connected with an anchor drill assembly which extends out of the bottom surface of the base; according to the acoustic positioning beacon sinking automatic anchoring device, the defects that an existing acoustic positioning beacon is prone to being covered by silt and prone to drifting due to the influence of ocean currents when thrown on the seabed are effectively overcome, the anchor cable can be automatically released, operation is easy and convenient, and work reliability is good.

Description

Technical Field

[0001] The present invention relates to the technical field of deep - sea deep - learning sensor auxiliary devices, and in particular to a bottom - sinking automatic anchoring device and operation method for an acoustic positioning beacon. Background Art

[0002] An acoustic positioning beacon is a transmitter placed on the seabed or installed on an underwater vehicle. It periodically emits pulsed acoustic signals at a specific frequency and can be used for positioning, tracking, and navigation of underwater targets. When carrying out construction operations in a specific deep - sea area, it is usually necessary to deploy an acoustic positioning beacon in this area, which is convenient for the surface construction headquarters to understand the specific location of the construction site and is more convenient for the underwater operation robot deployed from the surface to quickly and accurately find the construction area for operation. The existing deployment method is to use the manipulator of an underwater robot to grab the beacon and directly place it on the seabed for positioning. Although this deployment method is simple and fast, it has obvious defects. On the one hand, the acoustic positioning beacon placed on the seabed is easily covered by sediment, affecting the acoustic positioning effect. On the other hand, ocean currents will cause the acoustic positioning beacon on the seabed to drift, resulting in positioning deviation. Summary of the Invention

[0003] The applicant of the present invention aims at the above - mentioned disadvantages in the existing production technology and provides a bottom - sinking automatic anchoring device and operation method for an acoustic positioning beacon, which can effectively overcome the defects such as being easily covered by sediment and being easily drifted by ocean currents when the existing acoustic positioning beacon is placed on the seabed, and can automatically release the anchor cable. The bottom - sinking automatic anchoring device for an acoustic positioning beacon is simple to operate and has good working reliability.

[0004] The technical solution adopted by the present invention is as follows:

[0005] A bottom - sinking automatic anchoring device for an acoustic positioning beacon includes a base with an open top and a top cover with an open bottom. The base and the top cover are connected by inner - flange screws and form a cavity structure inside. A top access round hole is provided on the top surface of the top cover.

[0006] A winch is fixed inside the base through fasteners. An anchor cable is wound around the winch. The front end of the anchor cable is connected to an acoustic release by a rope lock. The top surface of the acoustic release is hinged to an acoustic positioning beacon, and the upper part of the acoustic positioning beacon is located at the top access round hole.

[0007] A control cabin is fixed inside the base beside the winch.

[0008] A drive rack assembly is fixed inside the base at the bottom of the winch. The output end of the drive rack assembly is connected to an anchor drill assembly, and the anchor drill assembly extends out of the bottom surface of the base.

[0009] Symmetrical triggers and counterweight lead blocks are welded to the bottom surface of the base.

[0010] Its further technical solution lies in that:

[0011] The acoustic positioning beacon is in a positive buoyancy state in water.

[0012] The structure of the winch is as follows: It includes support legs distributed at intervals. The support legs are fixed inside the base. Two support legs install a drum through a support shaft and a sliding bearing. A cable anchor is wound around the drum. Side plates are welded on both sides of the drum. An ear plate for the support leg is welded on the inner side of one of the support legs. A stop head is welded on the upper part of the lever. A guide post is welded on the bottom of the lever. The stop head is inserted into the bottom hole of the corresponding side plate. A locking spring is sleeved on the guide post. The middle part of the lever is connected to the ear plate for the support leg through a pin shaft.

[0013] A flange for the support leg is welded at the bottom of a single support leg. A screw for the support leg is assembled on the flange for the support leg.

[0014] The structure of the trigger is as follows: A cylindrical barrel in a hollow shape. There is a threaded hole at the top of the cylindrical barrel. A proximity switch is screwed tightly in the threaded hole. The tail wire of the proximity switch passes through the internal horizontal hole of the cylindrical barrel and is connected to a watertight connector screwed on the left side surface of the cylindrical barrel. A T-shaped disk is installed inside the cylindrical barrel in a matching manner. The lower part of the T-shaped disk passes through the round hole at the bottom of the cylindrical barrel and is screwed to the contact bottom plate. The upper part of the T-shaped disk forms a spring cavity with the inside of the cylindrical barrel. Two groups of compression springs are arranged inside the spring cavity.

[0015] The structure of the anchor drill assembly is as follows: It includes a screw drill. A rotating shaft is welded at the top of the screw drill. A circlip is installed in the snap ring groove of the rotating shaft. A gear is sleeved on the top of the rotating shaft and is connected through a flat key and then locked by a shaft end screw. The gear cooperates with the driving rack assembly.

[0016] The structure of the driving rack assembly is as follows: It includes a hydraulic cylinder. An installation angle plate is welded at the tail of the hydraulic cylinder. A fixing screw is assembled on the installation angle plate. The water outlet of the solenoid valve is screwed tightly on the water inlet threaded hole of the rodless cavity. The piston body is located inside the hydraulic cylinder. The right end of the piston rod is welded on the left side surface of the piston body. The left end of the piston rod passes through the round hole on the left side of the hydraulic cylinder and is fixedly connected to the rack. A top block is welded at the left end of the rack. The rack matches the anchor drill assembly.

[0017] The base adopts an integral structure, including a seat body. There is a top inner flange at the top of the seat body. There is a bottom center hole at the middle position of the bottom of the seat body.

[0018] The top cover adopts an integral structure, including a cover body. There is a top access round hole on the top surface of the cover body. There is a bottom inner flange at the bottom of the cover body. Symmetrical guiding horns are arranged inside the cover body.

[0019] An operation method of a bottom - mounted automatic anchoring device for an acoustic positioning beacon, comprising the following operation steps:

[0020] The mother ship on the water surface uses the deck hoisting equipment to lift the anchoring device into the water;

[0021] The anchoring device is in a negative buoyancy state in water and dives under the action of its own gravity. When it sinks to the seabed, the anchor drilling assembly touches the bottom first. Under the action of the impact force during diving, the auger of the anchor drilling assembly inserts into the seabed sediment. The touch - down plate of the trigger starts to touch the seabed sediment. As the insertion depth of the auger increases, the seabed sediment pushes the T - shaped plate to move upward in the cylindrical barrel through the touch - down plate of the trigger, so that the compression spring is compressed and deformed until the T - shaped plate touches the proximity switch. The proximity switch receives the contact signal and transmits this signal to the control cabin through the watertight connector and the watertight cable. Then the control cabin controls the solenoid valve of the driving rack assembly to be powered on through the watertight cable, so that the external high - pressure seawater is instantaneously introduced into the rodless cavity of the hydraulic cylinder through the water inlet of the solenoid valve, thereby pushing the piston body, the piston rod, the rack, and the top block to move leftward simultaneously. Since the rack is in a meshing relationship with the gear of the anchor drilling assembly, when the rack moves leftward, it drives the gear to rotate rapidly, thereby driving the auger of the anchor drilling assembly to insert deeper into the seabed sediment, thus completing the anchoring of the device;

[0022] As the rack continues to move leftward, the top block connected to the left end face of the rack touches the lever of the winch and compresses the locking spring, prompting the lever to rotate clockwise around the leg ear plate, so that the stop head is pulled out from the bottom hole of the left side plate. At this time, the reel of the winch is in a free - rotation state. Since the acoustic positioning beacon is in a positive buoyancy state in water, the acoustic positioning beacon pulls the acoustic release and the cable to float upward rapidly, and the winch passively releases the wound cable until the release is complete. At this time, the acoustic positioning beacon presents an anchored state on the seabed.

[0023] The beneficial effects of the present invention are as follows:

[0024] The present invention has a compact and reasonable structure and is convenient to operate. It is lifted into the water by a ship on the water surface, dives to the seabed by relying on its own gravity, and inserts into the seabed sediment. Through the bottom - touch feedback system, the high - pressure seawater at the seabed is introduced as a power source to drive the anchor drill to further insert into the seabed sediment, thereby achieving reliable anchoring on the seabed. At the same time, using the power of this high - pressure seawater synchronously, it drives the retraction of the winch stop head, and using the positive buoyancy characteristic of the acoustic positioning beacon, it completes the passive release of the cable, thus realizing the seabed mooring of the acoustic positioning beacon, overcoming the defects such as being easily covered by sediment and being easily drifted by ocean currents existing in the existing acoustic positioning beacon during seabed placement.

[0025] The present invention also designs an acoustic release. Through remote control on the water surface, the recovery of the acoustic positioning beacon after the completion of the construction operation can be completed.

[0026] The present invention is ingeniously designed and has a simple structure, and has wide applications in acoustic positioning for deep-sea construction operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a cross-sectional view of the sinking automatic anchoring device of the acoustic positioning beacon of the present invention.

[0028] Figure 2 is Figure 1 a schematic structural view of the winch in

[0029] Figure 3 is Figure 1 a schematic structural view of the trigger in

[0030] Figure 4 is Figure 1 a schematic structural view of the anchor drill assembly in

[0031] Figure 5 is Figure 1 a schematic structural view of the driving rack assembly in

[0032] Figure 6 is Figure 1 an external view of the base in

[0033] Figure 7 is Figure 1 an external view of the top cover in

[0034] Wherein: 1, acoustic positioning beacon; 2, acoustic release; 3, rope lock; 4, anchor cable; 5, winch; 6, control cabin; 7, trigger; 8, counterweight lead block; 9, anchor drill assembly; 10, driving rack assembly; 11, base; 12, top cover;

[0035] 501, drum; 502, side plate; 503, support shaft; 504, sliding bearing; 505, support leg; 506, leg ear plate; 507, leg flange; 508, leg screw; 509, locking spring; 510, guide post; 511, lever; 512, stop head;

[0036] 701, cylindrical barrel; 702, proximity switch; 703, compression spring; 704, T-shaped disc; 705, contact base plate; 706, watertight connector; 707, spring chamber; 708, bottom round hole;

[0037] 901, gear; 902, rotating shaft; 903, auger; 904, shaft end screw; 905, flat key; 906, circlip;

[0038] 1001, Solenoid valve; 1002, Hydraulic cylinder; 1003, Piston body; 1004, Piston rod; 1005, Rack; 1006, Top block; 1007, Rodless cavity; 1008, Fixing screw

[0039] 1101, Seat body; 1102, Inner flange at the top; 1103, Central hole at the bottom surface

[0040] 1201, Cover body; 1202, Guide horn; 1203, Inner flange at the bottom; 1204, Round hole for entry and exit at the top Specific embodiments

[0041] The following combines with the attached drawings to illustrate the specific embodiments of the present invention

[0042] As Figures 1-7 shown, the bottom automatic anchoring device of the acoustic positioning beacon in this embodiment includes a base 11 with an open top and a top cover 12 with an open bottom. The base 11 and the top cover 12 are connected by inner flange screws and form a cavity structure inside. A round hole 1204 for entry and exit is provided on the top surface of the top cover 12

[0043] A winch 5 is fixed inside the base 11 through fasteners. A cable 4 is wound around the winch 5. The front end of the cable 4 is connected to an acoustic release 2 through a rope lock 3. The top surface of the acoustic release 2 is hinged to an acoustic positioning beacon 1. The upper part of the acoustic positioning beacon 1 is located at the round hole 1204 for entry and exit

[0044] A control cabin 6 is fixed inside the base 11 beside the winch 5

[0045] A driving rack assembly 10 is fixed inside the base 11 at the bottom of the winch 5. The output end of the driving rack assembly 10 is connected to an anchor drilling assembly 9. The anchor drilling assembly 9 extends out of the bottom surface of the base 11

[0046] Two symmetric triggers 7 and counterweight lead blocks 8 are welded to the bottom surface of the base 11

[0047] The acoustic positioning beacon 1 is in a positive buoyancy state in water

[0048] The structure of the winch 5 is as follows: it includes support legs 505 distributed at intervals. The support legs 505 are fixed inside the base 11. Two support legs 505 install a drum 501 through a support shaft 503 and a sliding bearing 504. A cable 4 is wound around the drum 501. Side plates 502 are welded on both sides of the drum 501. An ear plate 506 is welded to the inner side of one of the support legs 505. A stop head 512 is welded to the upper part of a lever 511. A guide post 510 is welded to the bottom of the lever 511. The stop head 512 is inserted into the bottom hole of the corresponding side plate 502. A locking spring 509 is sleeved on the guide post 510. The middle part of the lever 511 is connected to the ear plate 506 through a pin shaft

[0049] A leg flange 507 is welded to the bottom of a single support leg 505, and a leg screw 508 is assembled on the leg flange 507.

[0050] The structure of the trigger 7 is as follows: a cylindrical barrel 701 with a hollow shape, a threaded hole is provided at the top of the cylindrical barrel 701, a proximity switch 702 is screwed tightly in the threaded hole, and the tail wire of the proximity switch 702 passes through the internal horizontal hole of the cylindrical barrel 701 and is connected to a watertight connector 706 screwed on the left side surface of the cylindrical barrel 701; a T-shaped disk 704 is fitted and installed inside the cylindrical barrel 701, the lower part of the T-shaped disk 704 passes through the bottom circular hole 708 of the cylindrical barrel 701 and is screwed to the contact bottom disk 705; the upper part of the T-shaped disk 704 and the inside of the cylindrical barrel 701 form a spring chamber 707, and two sets of compression springs 703 are arranged inside the spring chamber 707.

[0051] The structure of the anchor drill assembly 9 is as follows: it includes a spiral drill 903, a rotating shaft 902 is welded to the top of the spiral drill 903, a snap ring 906 is installed in the snap ring groove of the rotating shaft 902, a gear 901 is sleeved on the top of the rotating shaft 902 and is connected by a flat key 905, and then is locked by an end screw 904, and the gear 901 cooperates with the driving rack assembly 10.

[0052] The structure of the driving rack assembly 10 is as follows: it includes a hydraulic cylinder 1002, an installation angle plate is welded to the tail of the hydraulic cylinder 1002, a fixing screw 1008 is assembled on the installation angle plate, the water outlet thread of the solenoid valve 1001 is screwed tightly on the water inlet threaded hole of the rodless cavity 1007, a piston body 1003 is located inside the hydraulic cylinder 1002, the right end of the piston rod 1004 is welded to the left side surface of the piston body 1003, the left end of the piston rod 1004 passes through the circular hole on the left side of the hydraulic cylinder 1002 and is fixedly connected to a rack 1005, a top block 1006 is welded to the left end of the rack 1005, and the rack 1005 matches the anchor drill assembly 9.

[0053] The base 11 adopts an integral structure, including a seat body 1101, a top inner flange 1102 is provided at the top of the seat body 1101, and a bottom center hole 1103 is provided at the middle position of the bottom of the seat body 1101.

[0054] The top cover 12 adopts an integral structure, including a cover body 1201, a top access circular hole 1204 is provided on the top surface of the cover body 1201, a bottom inner flange 1203 is provided at the bottom of the cover body 1201, and symmetric guiding horns 1202 are provided inside the cover body 1201.

[0055] The specific structure and function of the bottom-sinking automatic anchoring device of the acoustic positioning beacon described in the present invention are as follows:

[0056] It mainly includes an acoustic positioning beacon 1, an acoustic release 2, a rope lock 3, an anchor cable 4, a winch 5, a control cabin 6, a trigger 7, a counterweight lead block 8, an anchor drill assembly 9, a drive rack assembly 10, a base 11, and a top cover 12.

[0057] Among them, the top cover 12 covers the base 11, and the two are connected by inner flange screws to form a cavity structure. The winch 5 is connected to the upper bottom surface of the base 11 of this cavity structure by screws. The anchor cable 4 is wound around the winch 5. A rope lock 3 is fixed at the front end of the anchor cable 4. There is a ring at the top of the rope lock 3, and the claw at the bottom of the acoustic release 2 hooks the ring. The top of the acoustic release 2 is hinged to the bottom of the acoustic positioning beacon 1, and the acoustic positioning beacon 1 is in a positive buoyancy state in water. The control cabin 6 is also connected to the upper bottom surface of the base 11 of this cavity structure by screws and is located on the left side of the winch 5. The drive rack assembly 10 is also connected to the upper bottom surface of the base 11 of this cavity structure by screws and is located at the bottom of the winch 5. The anchor drill assembly 9 is divided into upper and lower parts. The upper part is a gear structure and forms a meshing relationship with the rack 1005 of the drive rack assembly 10. The lower part passes through the center hole 1103 at the bottom surface of the base 11 and is a spiral drill rod structure. There are two triggers 7, which are respectively welded to the left and right sides of the lower bottom surface of the base 11. There are two counterweight lead blocks 8, both of which are connected to the lower bottom surface of the base 11 by screws and are located on the left and right sides of the anchor drill assembly 9.

[0058] Among them, the winch 5 mainly consists of a drum 501, side plates 502, support shafts 503, sliding bearings 504, support legs 505, leg ear plates 506, leg flanges 507, leg screws 508, locking springs 509, guide columns 510, levers 511, and stop heads 512.

[0059] Among them, the anchor cable 4 is wound around the drum 501. There are two left and right side plates 502, which are respectively welded to the left and right sides of the drum 501. There are two left and right support shafts 503, which are respectively welded at the central positions of the side plates 502. The sliding bearings 504 are sleeved on the support shafts 503, and the formed integral structure is assembled on the support legs 505. The bottom of the support legs 505 is provided with leg flanges 507, and leg screws 508 are assembled on the leg flanges 507. In addition, a leg ear plate 506 is welded to the right side surface of the left support leg 505. The upper part of the lever 511 is welded with a stop head 512, and the bottom is welded with a guide column 510. The stop head 512 is inserted into the bottom hole of the left side plate 502. The locking spring 509 is sleeved on the guide column 510, and the middle part of the lever 511 is connected to the leg ear plate 506 welded to the right side surface of the left support leg 505 by a pin shaft.

[0060] Among them, the trigger 7 mainly consists of a cylindrical barrel 701, a proximity switch 702, a compression spring 703, a T-shaped disk 704, a contact bottom plate 705, a watertight connector 706, a spring chamber 707, and a bottom round hole 708.

[0061] The inside of the cylindrical barrel 701 is hollow, and there is a threaded hole at the top. The proximity switch 702 is tightened in this threaded hole. The tail wire of the proximity switch 702 passes through the internal horizontal hole of the cylindrical barrel 701 and is connected to the watertight connector 706 screwed on the left side of the cylindrical barrel 701. The upper part of the T-shaped disk 704 is located inside the cylindrical barrel 701, and the lower part passes through the bottom round hole 708 of the cylindrical barrel 701 and is screwed to the contact bottom plate 705. The upper part of the T-shaped disk 704 divides the internal space of the cylindrical barrel 701 into upper and lower spaces. The upper space is the spring chamber 707, and two groups of left and right compression springs 703 are arranged inside the spring chamber 707.

[0062] Among them, the anchor drill assembly 9 mainly consists of a gear 901, a rotating shaft 902, a spiral drill 903, an end screw 904, a flat key 905, and an elastic retaining ring 906.

[0063] The rotating shaft 902 is welded to the top of the spiral drill 903. The elastic retaining ring 906 is installed in the snap ring groove of the rotating shaft 902. The gear 901 is sleeved on the top of the rotating shaft 902. The two are connected by a flat key 905 and locked by an end screw 904.

[0064] Among them, the driving rack assembly 10 mainly consists of a solenoid valve 1001, a hydraulic cylinder 1002, a piston body 1003, a piston rod 1004, a rack 1005, a top block 1006, a rodless cavity 1007, and a fixing screw 1008.

[0065] An installation angle plate is welded to the tail of the hydraulic cylinder 1002, and a fixing screw 1008 is assembled on the installation angle plate. The water outlet thread of the solenoid valve 1001 is tightened on the water inlet threaded hole of the rodless cavity 1007. The piston body 1003 is located inside the hydraulic cylinder 1002. The right end of the piston rod 1004 is welded to the left side of the piston body 1003. The left end of the piston rod 1004 passes through the round hole on the left side of the hydraulic cylinder 1002 and is fixedly connected to the rack 1005. A top block 1006 is welded to the left end of the rack 1005.

[0066] Among them, the base 11 mainly consists of a seat body 1101, a top inner flange 1102, and a bottom center hole 1103.

[0067] Among them, the top cover 12 mainly consists of a cover body 1201, a guiding horn 1202, a bottom inner flange 1203, and a top access round hole 1204.

[0068] During the actual working process:

[0069] The assembly method of the bottom - mounted automatic anchoring device of the acoustic positioning beacon 1 is as follows:

[0070] Insert the rotating shaft 902 of the anchor drill assembly 9 through the central hole 1103 at the bottom surface of the base 11 into the interior of the base 11. Then install the circlip 906 in the snap - ring groove of the rotating shaft 902, sleeve the gear 901 on the top of the rotating shaft 902, connect them through the flat key 905, and lock them with the shaft - end screw 904. Then tighten the driving rack assembly 10 on the upper bottom surface of the base 11 with the fixing screw 1008, and ensure that the rack 1005 of the driving rack assembly 10 meshes with the gear 901 of the anchor drill assembly 9. Then wind the cable 4 around the winch 5, fix the rope lock 3 at the front end of the cable 4, hook the claw at the bottom of the acoustic release 2 onto the ring at the top of the rope lock 3, and hinge the bottom of the acoustic positioning beacon 1 to the top of the acoustic release 2. After that, tighten the wound winch 5 on the upper bottom surface of the base 11 as a whole with the leg screw 508. Then tighten the control cabin 6 on the upper bottom surface of the base 11 with screws as well. Then connect the two counterweight lead blocks 8 to the lower bottom surface of the base 11 with screws, and weld the two triggers 7 to the left and right sides of the lower bottom surface of the base 11 respectively. Then connect the watertight plug - in 706 of the trigger 7 to the end - face plug - in of the control cabin 6 through a watertight cable. At the same time, connect the solenoid valve 1001 of the driving rack assembly 10 to the end - face plug - in of the control cabin 6 through a watertight cable. Finally, cover the top cover 12 on the base 11, and connect them through the inner - flange screws to form an integral structure.

[0071] The working method of the bottom - mounted automatic anchoring device of the acoustic positioning beacon 1 is as follows:

[0072] The surface mother ship uses the deck lifting equipment to lift the submersible automatic anchoring device of the acoustic positioning beacon of the present invention into the water. Then, the device is in a negative buoyancy state in the water and dives at a certain speed (usually 1.5-2 m / s) under the action of its own gravity. When the device sinks to the seabed, the anchor drilling assembly 9 touches the bottom first. Under the action of the impact force during diving, the auger 903 of the anchor drilling assembly 9 inserts into the seabed sediment at a certain acceleration. When it is inserted to a certain depth, the touch disk 705 of the trigger 7 begins to touch the seabed sediment. As the insertion depth of the auger 903 increases, the seabed sediment pushes the T-shaped disk 704 to move upward in the cylindrical barrel 701 through the touch disk 705 of the trigger 7, so that the compression spring 703 is compressed and deformed until the T-shaped disk 704 touches the proximity switch 702. The proximity switch 702 receives the contact signal and transmits this signal to the control cabin 6 through the watertight connector 706 and the watertight cable. Then, the control cabin 6 controls the solenoid valve 1001 of the drive rack assembly 10 to be energized through the watertight cable, so that the external high-pressure seawater is instantaneously introduced into the rodless cavity 1007 of the hydraulic cylinder 1002 through the water inlet of the solenoid valve 1001, thereby pushing the piston body 1003, the piston rod 1004, the rack 1005, and the top block 1006 to move leftward simultaneously. Since the rack 1005 is in a meshing relationship with the gear 901 of the anchor drilling assembly 9, when the rack 1005 moves leftward, it drives the gear 901 to rotate rapidly, thereby driving the auger 903 of the anchor drilling assembly 9 to insert deeper into the seabed sediment, thus completing the anchoring of the device. As the rack 1005 continues to move leftward, the top block 1006 connected to the left end face of the rack 1005 touches the lever 511 of the winch 5 and compresses the locking spring 509, causing the lever 511 to rotate clockwise around the leg ear plate 506, so that the stop head 512 is pulled out from the bottom hole of the left side plate 502. At this time, the drum 501 of the winch 5 is in a free rotation state. Since the acoustic positioning beacon 1 is in a positive buoyancy state in the water, the acoustic positioning beacon 1 pulls the acoustic release 2 and the cable 4 to float upward rapidly, and the winch 5 releases the wound cable 4 passively until the release is complete. At this time, the acoustic positioning beacon 1 presents an anchored state on the seabed.

[0073] When the deep-sea construction operation is completed and deep-sea positioning is no longer required, at this time, the acoustic sonar remote control of the surface mother ship makes the acoustic release 2 act. After receiving the remote control signal, the acoustic release 2 retracts the bottom claw that previously hooked the top ring of the rope lock 3, thus completing the release. Since the acoustic positioning beacon 1 is in a positive buoyancy state in the water, it floats rapidly to the water surface by relying on its own buoyancy, and the surface mother ship completes the salvage and recovery.

[0074] The above description is an explanation of the present invention, not a limitation of the invention. The scope defined by the present invention is referred to the claims. Within the protection scope of the present invention, any form of modification can be made.

Claims

1. An automatic anchoring device for an acoustic positioning beacon, characterized in that: It comprises a base (11) with an open top and a top cover (12) with an open bottom, wherein the base (11) and the top cover (12) are connected via inner flange screws and form a cavity structure inside, and a top entrance and exit circular hole (1204) is provided on the top surface of the top cover (12); A winch (5) is fixed inside the base (11) by a fastener, an anchor cable (4) is wound around the winch (5), the front end of the anchor cable (4) is connected to the acoustic releaser (2) through a rope lock buckle (3), the top surface of the acoustic releaser (2) is hinged to the acoustic positioning beacon (1), and the upper part of the acoustic positioning beacon (1) is located at the top entrance and exit circular hole (1204); A control cabin (6) is fixed inside a base (11) located beside the winch (5); A driving rack assembly (10) is fixed inside a base (11) located at the bottom of the winch (5); an output end of the driving rack assembly (10) is connected to an anchor drill assembly (9), and the anchor drill assembly (9) extends out of the bottom surface of the base (11); A symmetrical trigger (7) and a counterweight lead block (8) are welded to the lower surface of the base (11).

2. The automatic anchoring device for an acoustic positioning beacon as claimed in claim 1, characterized in that: The acoustic positioning beacon (1) is in a positive buoyancy state in water.

3. The automatic anchoring device for an acoustic positioning beacon as claimed in claim 1, characterized in that: The structure of the winch (5) is as follows: it comprises support legs (505) arranged at intervals, the support legs (505) being fixed inside the base (11), the two support legs (505) being mounted on a drum (501) via a support shaft (503) and a sliding bearing (504), the drum (501) being wound with an anchor rope (4), and side plates (502) being welded on both sides of the drum (501); a leg ear plate (506) being welded on the inner side of one of the support legs (505), a stopper (512) being welded on the upper part of the lever (511), a guide column (510) being welded on the bottom of the lever (511), the stopper (512) being inserted into a bottom hole of a corresponding side plate (502), a locking spring (509) being sleeved on the guide column (510), and a middle part of the lever (511) being connected to the leg ear plate (506) via a pin shaft.

4. The automatic anchoring device for an acoustic positioning beacon as claimed in claim 3, characterized in that: A support leg flange (507) is welded to the bottom of the single support leg (505), and a support leg screw (508) is assembled on the support leg flange (507).

5. The automatic anchoring device for an acoustic positioning beacon as claimed in claim 1, characterized in that: The trigger (7) has the following structure: a hollow cylindrical body (701), a threaded hole is arranged at the top of the cylindrical body (701), a proximity switch (702) is screwed into the threaded hole, a tail line of the proximity switch (702) passes through the internal transverse hole of the cylindrical body (701) and is connected to a watertight connector (706) screwed on the left side of the cylindrical body (701); a T-shaped plate (704) is installed inside the cylindrical body (701), the lower part of the T-shaped plate (704) passes through the bottom circular hole (708) of the cylindrical body (701) and is screwed to the bottom plate (705); the upper part of the T-shaped plate (704) and the inside of the cylindrical body (701) form a spring cavity (707), and two groups of compression springs (703) are arranged inside the spring cavity (707).

6. The automatic bottom anchoring device of an acoustic positioning beacon according to claim 9, characterized in that: The structure of the anchor drill assembly (9) is as follows: it includes an auger (903), a rotating shaft (902) is welded on the top of the auger (903), an elastic retaining ring (906) is installed in the retaining ring groove of the rotating shaft (902), a gear (901) is sleeved on the top of the rotating shaft (902), and is connected by a flat key (905), and then locked by a shaft end screw (904), and the gear (901) cooperates with the driving rack assembly (10).

7. The automatic bottom anchoring device of an acoustic positioning beacon according to claim 1, characterized in that: The structure of the driving rack assembly (10) is as follows: it includes a hydraulic cylinder (1002), a mounting angle plate is welded at the rear of the hydraulic cylinder (1002), a fixing screw (1008) is mounted on the mounting angle plate, a water outlet thread of the solenoid valve (1001) is screwed onto the water inlet thread hole of the rodless chamber (1007), a piston body (1003) is located inside the hydraulic cylinder (1002), a right end of the piston rod (1004) is welded to the left side of the piston body (1003), a left end of the piston rod (1004) passes through a circular hole on the left side of the hydraulic cylinder (1002) and is fixedly connected to the rack (1005), a top block (1006) is welded to the left end of the rack (1005), and the rack (1005) matches the anchor drill assembly (9).

8. The automatic bottom anchoring device of an acoustic positioning beacon according to claim 1, characterized in that: The base (11) adopts an integrated structure, comprising a base body (1101), a top inner flange (1102) is arranged at the top of the base body (1101), and a bottom surface center hole (1103) is arranged at the middle position of the bottom of the base body (1101).

9. The automatic anchoring device for an acoustic positioning beacon as claimed in claim 1, characterized in that: The top cover (12) adopts an integrated structure, comprising a cover body (1201), a top entrance and exit circular hole (1204) is arranged on the top surface of the cover body (1201), a bottom inner flange (1203) is arranged on the bottom of the cover body (1201), and a symmetrical guide horn (1202) is arranged inside the cover body (1201).

10. An operating method of an automatic anchoring device for an acoustic positioning beacon, characterized in that: The steps are as follows: The surface mother ship uses the deck lifting equipment to lift the anchor device into the water; The anchoring device is in a negative buoyancy state in the water and dives under the action of its own gravity. When sinking to the seabed, the anchor drill assembly (9) first touches the bottom. Under the action of the impact force of the dive, the auger (903) of the anchor drill assembly (9) is inserted into the seabed sediment, and the bottom contact plate (705) of the trigger (7) begins to touch the seabed sediment. As the insertion depth of the auger (903) increases, the seabed sediment pushes the T-shaped plate (704) to move upward in the cylindrical barrel (701) through the bottom contact plate (705) of the trigger (7), thereby compressing and deforming the compression spring (703) until the T-shaped plate (704) touches the proximity switch (702). The proximity switch (702) receives a contact signal and transmits the signal through a watertight connector (706) and a watertight cable. To the control cabin (6), the control cabin (6) then controls the electromagnetic valve (1001) of the driving rack assembly (10) through the watertight cable to be energized, so that the external high-pressure seawater is instantly introduced into the rodless chamber (1007) of the hydraulic cylinder (1002) through the water inlet of the electromagnetic valve (1001), thereby pushing the piston body (1003), the piston rod (1004), the rack (1005), and the top block (1006) to move to the left at the same time. Since the rack (1005) and the gear (901) of the anchor drill assembly (9) are in a meshing relationship, the rack (1005) moves to the left while driving the gear (901) to rotate rapidly, thereby driving the auger (903) of the anchor drill assembly (9) to be more deeply inserted into the seabed sediment, thereby completing the anchoring of the device; As the rack (1005) continues to move to the left, the top block (1006) connected to the left end face of the rack (1005) touches the lever (511) of the capstan (5) and compresses the locking spring (509), causing the lever (511) to rotate clockwise around the leg ear plate (506), thereby pulling the stop head (512) out of the bottom hole of the left side plate (502). At this time, the drum (501) of the capstan (5) is in a free rotation state. Since the acoustic positioning beacon (1) is in a positive buoyancy state in the water, the acoustic positioning beacon (1) pulls the acoustic releaser (2) and the anchor cable (4) to float rapidly. The capstan (5) passively releases the wound anchor cable (4) until the release is completed. At this time, the acoustic positioning beacon (1) is in an anchored state on the seabed.

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