Submarine cable dynamic anchoring device for submarine cable construction and use method of submarine cable dynamic anchoring device

Abstract

The invention discloses a submarine cable dynamic anchoring device for submarine cable construction and a using method thereof, and relates to the field of submarine cable construction.The submarine cable dynamic anchoring device comprises a base, a movable seat and a mounting seat, positioning assemblies are symmetrically mounted at the two ends of the top of the mounting seat, and threaded rods are in threaded connection with the interiors of inner cavities of the positioning assemblies; the bottom of the threaded rod is rotationally connected with a fixing assembly, the two ends of an inner cavity of the positioning assembly are symmetrically and movably connected with clamping blocks, the two ends of an inner cavity of the movable base are symmetrically and movably connected with movable plates, a soft cushion is installed in the center of the top of the movable base, and the two ends of the two sides of the movable base are symmetrically and movably connected with locking assemblies. According to the submarine cable dynamic anchoring device for submarine cable construction and the using method of the submarine cable dynamic anchoring device, the device can be dynamically adjusted according to the size and the mounting angle of a submarine cable, the mounting and using effects of the submarine cable can be improved on the basis, and meanwhile subsequent submarine cable taking-out for maintenance work is facilitated.

Description

Technical Field

[0001] The present invention relates to the field of submarine cable construction, and particularly relates to a submarine cable dynamic anchoring device for submarine cable construction and a using method thereof. Background Art

[0002] A submarine cable is a cable wrapped with insulating material and laid on the seabed for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Modern submarine cables all use optical fibers as materials to transmit telephone and Internet signals.

[0003] When laying a submarine cable on the seabed, it is necessary to anchor it. However, most of the devices for anchoring it are fixed in position and cannot be freely adjusted. When it is necessary to adjust the position of the submarine cable subsequently, it is necessary to remove the whole of it for adjustment, which is rather troublesome and has a relatively high risk factor.

[0004] Therefore, it is very necessary to propose a submarine cable dynamic anchoring device for submarine cable construction and a using method thereof to solve the above problems. Summary of the Invention

[0005] The main purpose of the present invention is to provide a submarine cable dynamic anchoring device for submarine cable construction and a using method thereof, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0007] A submarine cable dynamic anchoring device for submarine cable construction includes a base, a movable seat and a mounting seat. At both ends of the top of the mounting seat, positioning components are symmetrically installed. A threaded rod is threadedly connected in the inner cavity of the positioning component. The bottom of the threaded rod is rotatably connected with a fixing component. At both ends of the inner cavity of the positioning component, clamping blocks are symmetrically and movably connected.

[0008] At both ends of the inner cavity of the movable seat, movable plates are symmetrically and movably connected. A soft pad is installed in the middle of the top of the movable seat. At both ends of both sides of the movable seat, locking components are symmetrically and movably connected.

[0009] Buried studs are installed around the base and at the movable plates. An adjusting block is movably connected in the inner cavity of the base. A rotating shaft is rotatably connected in the middle of the top of the adjusting block.

[0010] Preferably, connecting rods are symmetrically installed around the top of the movable seat. The tops of the connecting rods are installed in the inner cavity of the mounting seat. A second spring is wound around the outer wall of the connecting rod. The bottom of the second spring is installed on the top of the movable seat. The two sides of the fixing component are sleeved on the outer wall of the connecting rod. The top of the second spring is installed on the bottom of the fixing component.

[0011] Preferably, a limit block is provided in the center of the top of the positioning assembly. The clamping blocks are attached to both ends of the limit block. The limit block is sleeved on the outer wall of the threaded rod. A magnet is installed in the center of the top of the limit block, and the limit block can be adsorbed on the top of the threaded rod through the magnet.

[0012] Preferably, movable grooves are symmetrically formed at both ends of the top of the positioning assembly. An movable block is installed at the bottom of the clamping block. A C-shaped rod is installed at the bottom of the movable block. A fitting plate is installed at one end of the C-shaped rod close to the threaded rod, and the fitting plate is attached to the outer wall of the threaded rod.

[0013] Preferably, a lead screw is rotatably connected in the inner cavity of the movable groove. A rotating handle is installed at one end of the lead screw. The rotating handle is rotatably connected to the outer wall of the positioning assembly. The movable block is threadedly connected to the outer wall of the lead screw.

[0014] Preferably, first adjustment grooves are symmetrically formed at both ends of the bottom of the movable seat. The opposite sides of the bottoms of the two movable plates are symmetrically and movably connected to the inner cavities of the two first adjustment grooves. Positioning bolts are symmetrically provided at both ends of the bottom of the movable seat. The positioning bolts are threadedly connected to the movable plates and tightly attached to the bottom of the movable seat.

[0015] Preferably, mounting blocks are symmetrically installed at both ends of both sides of the bottom of the mounting seat. A card slot is formed in the center of the mounting block. A fixing rod is installed on one side of the locking assembly close to the mounting block. A clamping block is installed on one side of the fixing rod close to the mounting block. The clamping block is inserted into the inner cavity of the card slot. A first spring is wound around the outer wall of the fixing rod. One side of the first spring is installed on the side of the clamping block, and the other side of the first spring is installed in the inner cavity of the movable seat. The clamping block, the fixing rod and the first spring are all movably connected in the inner cavity of the movable seat. The mounting block is inserted into the top of the movable seat.

[0016] Preferably, a second adjustment groove is formed in the center of the top of the base. A guide rod is installed in the center of the inner cavity of the second adjustment groove. The adjustment block is movably connected to the inner cavity of the second adjustment groove and sleeved on the outer wall of the guide rod.

[0017] Preferably, a rotating shaft is installed in the center of the top of the adjustment block. The top of the rotating shaft is installed in the center of the bottom of the movable seat.

[0018] A method for using a submarine cable dynamic anchoring device for submarine cable construction includes the following operation steps:

[0019] S1: Place the base in a suitable position and install the base at a suitable position on the seabed through the buried studs around it;

[0020] S2: Adjust the movable seat according to the angle at which the submarine cable needs to be placed, loosen the two positioning bolts, pull out the two movable plates from the inner cavity of the movable seat, move the movable seat forward and backward, and drive the adjustment block to move in the inner cavity of the second adjustment groove and the outer wall of the guide rod through the rotating shaft. Rotate the movable seat so that the movable seat can be rotated through the rotating shaft. After rotating it to the required angle, readjust the two movable plates to move in the inner cavity of the movable seat. When the movable plate drives the buried stud installed therein to move to a suitable position, the buried stud is installed to the seabed. At this time, the fixing of the movable seat is completed;

[0021] S3: Place the submarine cable on the top of the cushion, rotate the threaded rod to make it threadedly connected with the positioning assembly, and then drive the fixing assembly in the inner cavity of the mounting seat to move to the bottom. When the fixing assembly moves, its two sides will move on the outer wall of the connecting rod and squeeze the second spring at the same time. When the fixing assembly is tightly attached to the top of the submarine cable, stop the rotation of the threaded rod, and then the fixing assembly and the cushion can fix the submarine cable;

[0022] S4: lift the limit block to the top so that the limit block can be adsorbed on the top of the threaded rod through the magnet, turn the handle to drive the screw rod to rotate so that the movable block can be threadedly connected with it. At this time, the movable block can be threadedly connected with it, so that the movable block can drive the bonding plate to fit on the outer wall of the threaded rod through the C-shaped rod. Based on this, the threaded rod is reinforced to prevent it from shaking;

[0023] S5: If the submarine cable needs to be maintained, the locking assembly is pulled outward so that the fixing rod can drive the card block out of the card slot. At this time, the mounting seat can be lifted upward so that the mounting block can be separated from the movable seat. After the mounting seat is separated from the movable seat, the submarine cable can be taken out for maintenance.

[0024] Compared with the prior art, the present invention provides a submarine cable dynamic anchoring device for submarine cable construction and a method for using the same, which has the following beneficial effects:

[0025] 1. The submarine cable dynamic anchoring device for submarine cable construction and the use method thereof can move the fixing assembly toward the bottom by rotating the set threaded rod, and can fix the submarine cable with the set soft pad. The fixing assembly can be guided by the set connecting rod and the second spring, and the tightness of the submarine cable installation can be improved.

[0026] 2. The submarine cable dynamic anchoring device for submarine cable construction and its usage method. By setting magnets, the limiting block can be connected to the top of the threaded rod. By rotating the set turning handle, the lead screw can be driven to rotate, enabling the movable block to be threadedly connected to the lead screw. At this time, the fitting plate can be driven to move through the C-shaped rod, so that the fitting plate can fit on both ends of the threaded rod. During installation, the threaded rod can be reinforced to prevent the subsequent occurrence of displacement of the fixing assembly due to its shaking.

[0027] 3. The submarine cable dynamic anchoring device for submarine cable construction and its usage method. By setting the movable seat, it can move back and forth and rotate. Based on this, the installation angle of the submarine cable can be adjusted. By setting the movable plate, which is provided with buried studs, the movable seat can be positioned, and the length of the movable plate can be adjusted. It can drive the buried studs therein to adjust their positions according to the position of the adjusted movable seat. By setting the locking assembly, the mounting block can be positioned through the clamping block, enabling the mounting seat to be connected to the movable seat. When the submarine cable needs to be maintained, the locking assembly can be pulled to separate the movable seat and the mounting seat, so that the submarine cable can be removed for normal maintenance work.

[0028] 4. The submarine cable dynamic anchoring device for submarine cable construction and its usage method. By setting the buried studs at the base, the base can be fixed. By setting the second adjustment groove, adjustment block and rotating shaft, the movable seat can move back and forth and rotate on the top of the base, facilitating the adjustment of the placement angle and position of the submarine cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is the schematic structural diagram of the whole invention;

[0030] Figure 2 is the schematic structural diagram of the mounting seat of the invention;

[0031] Figure 3 is the schematic structural diagram of the clamping block of the invention;

[0032] Figure 4 is the schematic structural diagram of the bottom of the movable seat of the invention;

[0033] Figure 5 is the schematic structural diagram of the base of the invention.

[0034] In the figure: 1, base; 2, movable seat; 3, mounting seat; 4, positioning component; 5, mounting block; 6, card slot; 7, locking component; 8, card block; 9, fixing rod; 10, first spring; 11, turning handle; 12, movable slot; 13, limiting block; 14, magnet; 15, threaded rod; 16, clamping block; 17, movable block; 18, lead screw; 19, C-shaped rod; 20, fitting plate; 21, first adjustment slot; 22, positioning bolt; 23, movable plate; 24, buried stud; 25, second adjustment slot; 26, guide rod; 27, adjustment block; 28, rotating shaft; 29, fixing component; 30, soft pad; 31, connecting rod; 32, second spring. Detailed implementation mode

[0035] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the specific implementation modes.

[0036] Embodiment 1:

[0037] As Figures 1 - 3 shown, a dynamic anchoring device for submarine cables in submarine cable construction includes a base 1, a movable seat 2 and a mounting seat 3. At both ends of the top of the mounting seat 3, positioning components 4 are symmetrically installed. A threaded rod 15 is threadedly connected in the inner cavity of the positioning component 4. The bottom of the threaded rod 15 is rotatably connected to a fixing component 29. At both ends of the inner cavity of the positioning component 4, clamping blocks 16 are symmetrically movably connected. Around the top of the movable seat 2, connecting rods 31 are symmetrically installed. The top of the connecting rod 31 is installed in the inner cavity of the mounting seat 3. A second spring 32 is wound around the outer wall of the connecting rod 31. The bottom of the second spring 32 is installed on the top of the movable seat 2. The fixing component 29 is sleeved on the outer wall of the connecting rod 31 on both sides. The top of the second spring 32 is installed at the bottom of the fixing component 29. In the middle of the top of the positioning component 4, a limiting block 13 is provided. The clamping blocks 16 are attached to both ends of the limiting block 13. The limiting block 13 is sleeved on the outer wall of the threaded rod 15. In the middle of the top of the limiting block 13, a magnet 14 is installed. The limiting block 13 can be adsorbed on the top of the threaded rod 15 through the magnet 14. At both ends of the top of the positioning component 4, movable slots 12 are symmetrically opened. The bottom of the clamping block 16 is installed with a movable block 17. The bottom of the movable block 17 is installed with a C-shaped rod 19. One end of the C-shaped rod 19 close to the threaded rod 15 is installed with a fitting plate 20. The fitting plate 20 is attached to the outer wall of the threaded rod 15. In the inner cavity of the movable slot 12, a lead screw 18 is rotatably connected. One end of the lead screw 18 is installed with a turning handle 11. The turning handle 11 is rotatably connected to the outer wall of the positioning component 4. The movable block 17 is threadedly connected to the outer wall of the lead screw 18;

[0038] By rotating the provided threaded rod 15, the fixing assembly 29 can move downward. Cooperating with the provided soft pad 30, the submarine cable can be fixed. Through the provided connecting rod 31 and the second spring 32, the fixing assembly 29 can be guided, and at the same time, the fastening degree of the installation of the submarine cable can be improved;

[0039] Through the provided magnet 14, the limit block 13 can be connected to the top of the threaded rod 15. By rotating the provided handle 11, the lead screw 18 can be driven to rotate, so that the movable block 17 can be threadedly connected to the lead screw 18. At this time, the fitting plate 20 can be driven to move through the C-shaped rod 19, so that the fitting plate 20 can fit on both ends of the threaded rod 15. During installation, the threaded rod 15 can be strengthened to prevent it from shaking later and causing the displacement of the fixing assembly 29.

[0040] Embodiment 2:

[0041] As Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 shown, a dynamic anchoring device for submarine cables in submarine cable construction. At both ends of the inner cavity of the movable seat 2, movable plates 23 are symmetrically and movably connected. In the middle of the top of the movable seat 2, a soft pad 30 is installed. At both ends of both sides of the movable seat 2, locking assemblies 7 are symmetrically and movably connected. At both ends of the bottom of the movable seat 2, first adjustment grooves 21 are symmetrically opened. On the opposite sides of the bottoms of the two movable plates 23, they are symmetrically and movably connected in the inner cavities of the two first adjustment grooves 21. At both ends of the bottom of the movable seat 2, positioning bolts 22 are symmetrically provided. The positioning bolts 22 are threadedly connected to the movable plates 23 and tightly fit against the bottom of the movable seat 2. At both ends of both sides of the bottom of the mounting seat 3, mounting blocks 5 are symmetrically installed. In the middle of the mounting block 5, a card slot 6 is opened. On the side of the locking assembly 7 close to the mounting block 5, a fixing rod 9 is installed. On the side of the fixing rod 9 close to the mounting block 5, a clamping block 8 is installed. The clamping block 8 is inserted into the inner cavity of the card slot 6. The outer wall of the fixing rod 9 is wound with a first spring 10. One side of the first spring 10 is installed on the side of the clamping block 8, and the other side of the first spring 10 is installed in the inner cavity of the movable seat 2. The clamping block 8, the fixing rod 9 and the first spring 10 are all movably connected in the inner cavity of the movable seat 2. The mounting block 5 is inserted into the top of the movable seat 2;

[0042] By providing the movable seat 2, it can move back and forth and rotate, based on which the installation angle of the submarine cable can be adjusted. By providing the movable plate 23, in which there are buried studs 24, the movable seat 2 can be positioned, and the length of the movable plate 23 can be adjusted. It can drive the buried studs 24 therein to adjust the position according to the adjusted position of the movable seat 2. By providing the locking assembly 7, the mounting block 5 can be positioned by the clamping block 8, so that the mounting seat 3 can be connected to the movable seat 2. When the submarine cable needs to be maintained, the locking assembly 7 can be pulled to separate the movable seat 2 from the mounting seat 3, so that the submarine cable can be removed for normal maintenance work.

[0043] Embodiment 3:

[0044] As Figure 1 , Figure 5 shown, for a dynamic anchoring device for submarine cables during construction, buried studs 24 are installed around the base 1 and at the movable plate 23. An adjusting block 27 is movably connected in the inner cavity of the base 1. The center of the top of the adjusting block 27 is rotatably connected to a rotating shaft 28. A second adjusting groove 25 is provided in the center of the top of the base 1. A guiding rod 26 is installed in the center of the inner cavity of the second adjusting groove 25. The adjusting block 27 is movably connected in the inner cavity of the second adjusting groove 25 and sleeved on the outer wall of the guiding rod 26. The center of the top of the adjusting block 27 is provided with a rotating shaft 28, and the top of the rotating shaft 28 is installed at the center of the bottom of the movable seat 2;

[0045] By providing the buried studs 24 at the base 1, the base 1 can be fixed. By providing the second adjusting groove 25, the adjusting block 27 and the rotating shaft 28, the movable seat 2 can move back and forth and rotate on the top of the base 1, facilitating the adjustment of the laying angle and position of the submarine cable.

[0046] A method for using a dynamic anchoring device for submarine cables during construction includes the following operating steps:

[0047] S1: Place the base 1 at a suitable position and install the base 1 at a suitable position on the seabed through the buried studs 24 around it;

[0048] S2: Adjust the movable seat 2 according to the angle at which the submarine cable needs to be placed, loosen the two positioning bolts 22, pull out the two movable plates 23 from the inner cavity of the movable seat 2, and move the movable seat 2 forward and backward. Based on this, the adjusting block 27 is driven by the rotating shaft 28 to move in the inner cavity of the second adjusting groove 25 and the outer wall of the guide rod 26, and the movable seat 2 is rotated so that the movable seat 2 can be rotated by the rotating shaft 28. After rotating it to the required angle, readjust the two movable plates 23 to move in the inner cavity of the movable seat 2. When the movable plate 23 drives the buried stud 24 installed therein to move to a suitable position, the buried stud 24 is installed to the seabed, and the fixing of the movable seat 2 is completed at this time;

[0049] S3: Place the submarine cable on the top of the cushion 30, rotate the threaded rod 15 to make it threadedly connected with the positioning assembly 4, and then drive the fixing assembly 29 in the inner cavity of the mounting seat 3 to move to the bottom. When the fixing assembly 29 moves, its two sides will move on the outer wall of the connecting rod 31, and at the same time squeeze the second spring 32. When the fixing assembly 29 is tightly attached to the top of the submarine cable, stop the rotation of the threaded rod 15, and then the fixing assembly 29 and the cushion 30 can fix the submarine cable;

[0050] S4: lift the limit block 13 to the top so that the limit block 13 can be adsorbed on the top of the threaded rod 15 through the magnet 14, rotate the handle 11, drive the screw rod 18 to rotate, so that the movable block 17 can be threadedly connected with it, and the movable block 17 can be threadedly connected with it, so that the movable block 17 can drive the bonding plate 20 to be bonded to the outer wall of the threaded rod 15 through the C-shaped rod 19, based on this, the threaded rod 15 is reinforced to prevent it from shaking;

[0051] S5: If the submarine cable needs to be maintained, the locking assembly 7 is pulled outward so that the fixing rod 9 can drive the clamping block 8 to disengage from the clamping slot 6. At this time, the mounting seat 3 can be lifted upward so that the mounting block 5 can be separated from the movable seat 2. After the mounting seat 3 is separated from the movable seat 2, the submarine cable can be taken out for maintenance.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A submarine cable dynamic anchoring device for submarine cable construction, comprising a base (1), a movable seat (2) and a mounting seat (3), characterized in that: Positioning components (4) are symmetrically mounted at both ends of the top of the mounting seat (3); a threaded rod (15) is threadedly connected in the inner cavity of the positioning component (4); a fixing component (29) is rotatably connected to the bottom of the threaded rod (15); and clamping blocks (16) are symmetrically and movably connected at both ends of the inner cavity of the positioning component (4); The two ends of the inner cavity of the movable seat (2) are symmetrically and movably connected with movable plates (23), a soft cushion (30) is installed in the middle of the top of the movable seat (2), and the two ends of both sides of the movable seat (2) are symmetrically and movably connected with locking components (7); Buried studs (24) are installed around the base (1) and at the movable plate (23); an adjustment block (27) is movably connected in the inner cavity of the base (1); and a rotating shaft (28) is rotatably connected in the middle of the top of the adjustment block (27).

2. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: Connecting rods (31) are symmetrically installed around the top of the movable seat (2), the top of the connecting rod (31) is installed in the inner cavity of the mounting seat (3), the outer wall of the connecting rod (31) is wound with a second spring (32), the bottom of the second spring (32) is installed on the top of the movable seat (2), and the fixing component (29) is sleeved on the outer wall of the connecting rod (31) on both sides, and the top of the second spring (32) is installed on the bottom of the fixing component (29).

3. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: A limit block (13) is arranged in the middle of the top of the positioning component (4); the clamping blocks (16) are fitted on both ends of the limit block (13); the limit block (13) is sleeved on the outer wall of the threaded rod (15); a magnet (14) is installed in the middle of the top of the limit block (13); and the limit block (13) can be adsorbed on the top of the threaded rod (15) through the magnet (14).

4. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: The two ends of the top of the positioning assembly (4) are symmetrically provided with movable grooves (12); the bottom of the clamping block (16) is provided with a movable block (17); the bottom of the movable block (17) is provided with a C-shaped rod (19); the end of the C-shaped rod (19) close to the threaded rod (15) is provided with a bonding plate (20); the bonding plate (20) is bonded to the outer wall of the threaded rod (15).

5. A submarine cable dynamic anchoring device for submarine cable construction according to claim 4, characterized in that: A screw rod (18) is rotatably connected in the inner cavity of the movable groove (12), a rotating handle (11) is installed at one end of the screw rod (18), the rotating handle (11) is rotatably connected to the outer wall of the positioning assembly (4), and the movable block (17) is threadedly connected to the outer wall of the screw rod (18).

6. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: The two ends of the bottom of the movable seat (2) are symmetrically provided with first adjustment grooves (21); the opposite sides of the bottoms of the two movable plates (23) are symmetrically and movably connected in the inner cavities of the two first adjustment grooves (21); the two ends of the bottom of the movable seat (2) are symmetrically provided with positioning bolts (22); the positioning bolts (22) are threadedly connected to the movable plates (23) and tightly fit on the bottom of the movable seat (2).

7. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: The mounting blocks (5) are symmetrically mounted at both ends of the bottom of the mounting seat (3); a slot (6) is provided in the middle of the mounting block (5); a fixing rod (9) is mounted on the side of the locking assembly (7) close to the mounting block (5); a slot (8) is mounted on the side of the fixing rod (9) close to the mounting block (5); the slot (8) is inserted into the inner cavity of the slot (6); a first spring (10) is wound around the outer wall of the fixing rod (9); one side of the first spring (10) is mounted on the side of the slot (8); the other side of the first spring (10) is mounted in the inner cavity of the movable seat (2); the slot (8), the fixing rod (9) and the first spring (10) are all movably connected in the inner cavity of the movable seat (2); and the mounting block (5) is inserted into the top of the movable seat (2).

8. A submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: A second adjustment groove (25) is provided in the middle of the top of the base (1), a guide rod (26) is installed in the middle of the inner cavity of the second adjustment groove (25), and the adjustment block (27) is movably connected in the inner cavity of the second adjustment groove (25) and sleeved on the outer wall of the guide rod (26).

9. A submarine cable dynamic anchoring device for submarine cable construction according to claim 8, characterized in that: A rotating shaft (28) is installed in the middle of the top of the adjusting block (27), and the top of the rotating shaft (28) is installed in the middle of the bottom of the movable seat (2).

10. The method for using a submarine cable dynamic anchoring device for submarine cable construction according to claim 1, characterized in that: The steps include: S1: placing the base (1) at a suitable position, and installing the base (1) at a suitable position on the seabed through buried studs (24) around the base (1); S2: The movable seat (2) is adjusted according to the angle at which the submarine cable needs to be placed, the two positioning bolts (22) are loosened, the two movable plates (23) are pulled out from the inner cavity of the movable seat (2), and the movable seat (2) is moved forward and backward. Based on this, the adjusting block (27) is driven to move in the inner cavity of the second adjusting groove (25) and the outer wall of the guide rod (26) through the rotating shaft (28), and the movable seat (2) is rotated so that the movable seat (2) can be rotated through the rotating shaft (28). After it is rotated to the required angle, the two movable plates (23) are readjusted to move in the inner cavity of the movable seat (2). When the movable plate (23) drives the buried stud (24) installed therein to move to a suitable position, the buried stud (24) is installed to the seabed, and the fixing of the movable seat (2) is completed at this time; S3: Place the submarine cable on the top of the soft pad (30), rotate the threaded rod (15) to make it threadedly connected with the positioning assembly (4), and then drive the fixing assembly (29) in the inner cavity of the mounting seat (3) to move toward the bottom. When the fixing assembly (29) moves, both sides thereof will move on the outer wall of the connecting rod (31), and at the same time, the second spring (32) will be squeezed. When the fixing assembly (29) is tightly attached to the top of the submarine cable, stop the rotation of the threaded rod (15), and then the fixing assembly (29) and the soft pad (30) can fix the submarine cable; S4: lift the limit block (13) to the top so that the limit block (13) can be adsorbed on the top of the threaded rod (15) through the magnet (14), rotate the handle (11), drive the screw rod (18) to rotate, so that the movable block (17) can be threadedly connected with it, and the movable block (17) can be threadedly connected with it, so that the movable block (17) can drive the bonding plate (20) to be bonded to the outer wall of the threaded rod (15) through the C-shaped rod (19), based on which the threaded rod (15) is reinforced to prevent it from shaking; S5: If it is necessary to maintain the submarine cable, the locking assembly (7) is pulled outward so that the fixing rod (9) can drive the clamping block (8) to disengage from the clamping slot (6). At this time, the mounting seat (3) can be lifted upward so that the mounting block (5) can be disengaged from the movable seat (2). After the mounting seat (3) is separated from the movable seat (2), the submarine cable can be taken out for maintenance.

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