A dynamic subsea cable joint release / installation system

Abstract

This invention relates to the field of submarine cable equipment and provides a dynamic submarine cable joint release / installation system, comprising: a dynamic submarine cable joint, a connecting seat, a locking pin, a fixing cylinder, and a self-locking mechanism; a locking block and a slider are slidably disposed on the dynamic submarine cable joint; the locking block is inserted into the connecting seat, one end of the locking pin abuts against the locking block, and the other end protrudes from the connecting seat for abutting against the fixing cylinder; the connecting seat has a locking groove for engaging with the slider; the self-locking mechanism is disposed in the fixing cylinder for locking or separating the connecting seat from the fixing cylinder. This invention uses the self-locking mechanism to lock the connecting seat within the fixing cylinder, and the locking pin, under the action of the fixing cylinder, pushes the locking block out of the connecting seat, achieving separation of the connecting seat and the dynamic submarine cable joint; by extending the slider out of the dynamic submarine cable joint and locking it within the locking groove, assembly of the dynamic submarine cable joint and the connecting seat is achieved; this invention achieves rapid release and assembly of the dynamic submarine cable joint, avoiding the safety hazards of manual underwater operations and shortening construction time.

Description

[0001] This application is a divisional application of Chinese patent application No. 202411377007.5, filed on September 29, 2024, entitled "A Dynamic Submarine Cable Joint Release / Installation System". Technical Field

[0002] This invention relates to the field of submarine cable equipment technology, and in particular to a dynamic submarine cable joint release / installation system. Background Technology

[0003] Dynamic submarine cable connectors are attached to dynamic submarine cables. During use, they are used for interface connection between the cable and the seabed. Traditional methods of connecting dynamic submarine cables and connectors mostly involve manual underwater operations using flange bolts. This process is cumbersome, typically taking more than two days, and the connection strength is not guaranteed. When a dynamic submarine cable connector is damaged or in an emergency requiring quick disconnection, manual underwater operations are still necessary, which is time-consuming, labor-intensive, and compromises the safety of underwater personnel. Summary of the Invention

[0004] This invention provides a dynamic submarine cable joint release / installation system to solve the problems in the prior art where the assembly or unlocking of dynamic submarine cable joints and dynamic submarine cables requires manual underwater operations, which is time-consuming and makes it difficult to ensure the safety of underwater workers.

[0005] This invention provides a dynamic submarine cable connector release / installation system, comprising: a dynamic submarine cable connector, a connector base, a locking pin, a fixing cylinder, and a self-locking mechanism; The dynamic submarine cable connector is slidably equipped with a locking block and a sliding block; The locking block is inserted into the connecting seat, one end of the locking pin abuts against the locking block, and the other end protrudes from the connecting seat to abut against the fixing cylinder; The connecting seat is provided with a locking groove for engaging with the slider; The self-locking mechanism is disposed on the fixed cylinder and is used to lock or separate the connecting seat from the fixed cylinder.

[0006] According to the present invention, a dynamic submarine cable connector release / installation system further includes a cam ring, which is rotatably sleeved on the fixed cylinder and used to cooperate with the self-locking mechanism to separate the connector from the fixed cylinder.

[0007] According to the present invention, a dynamic submarine cable connector release / installation system is provided, wherein the self-locking mechanism includes a bolt block, a first elastic element and a clamping element, the fixing cylinder is provided with a through hole, the bolt block is installed in the through hole, one end of the first elastic element is fixed to the bolt block and the other end is fixed to the clamping element, and when the dynamic submarine cable connector is in the released state, the clamping element and the connecting seat abut against each other.

[0008] According to the present invention, a dynamic submarine cable joint release / installation system is provided, wherein the cam ring has a protruding lug, and the bolt is hinged to the outer side wall of the fixing cylinder; as the cam ring rotates, the lug and the bolt abut against each other to push the bolt to flip outward relative to the fixing cylinder, thereby separating the clamping member and the connecting seat.

[0009] According to the present invention, a dynamic submarine cable connector release / installation system further includes a drive mechanism connected to the self-locking mechanism, which is used to drive the self-locking mechanism to rotate outward relative to the fixed cylinder to release the connector seat.

[0010] According to the present invention, a dynamic submarine cable connector release / installation system is provided, wherein the drive end of the drive mechanism is connected to the cam ring.

[0011] According to the present invention, a dynamic submarine cable connector release / installation system is provided, wherein the locking pin has an end cap at one end near the fixed cylinder, the connecting seat has a groove, the groove opening faces the fixed cylinder, the locking pin passes through the bottom of the groove and abuts against the locking block; when the dynamic submarine cable connector is in the released state, the end cap is received in the groove.

[0012] According to the present invention, a dynamic submarine cable joint release / installation system is provided, wherein one end of the fixing cylinder is gradually widened, and the large-diameter end of the fixing cylinder is used to guide the end cap to retract into the groove.

[0013] According to the present invention, a dynamic submarine cable connector release / installation system further includes a second elastic element. The dynamic submarine cable connector is provided with a connecting groove, the opening of the connecting groove facing the connecting seat. The locking block is slidably disposed in the connecting groove. The second elastic element is disposed on one side wall of the connecting groove and abuts against the locking block.

[0014] According to the present invention, a dynamic submarine cable connector release / installation system further includes a third elastic element, a spring pin, and a pin. The dynamic submarine cable connector is provided with an installation groove, and the slider is slidably disposed in the installation groove. One end of the third elastic element is fixed to the bottom of the installation groove, and the other end is fixed to the slider. The spring pin is disposed on one side wall of the installation groove. When the dynamic submarine cable connector is in the disengaged state, the spring pin and the slider abut against each other to lock the slider in the mounting groove; when the dynamic submarine cable connector is in the installed state, the pin is inserted into the spring pin to separate the spring pin and the slider, and the slider extends out of the mounting groove.

[0015] According to the present invention, a dynamic submarine cable joint release / installation system is provided, wherein multiple sets of the third elastic element, the spring pin, the plug pin, and the slider are provided together, and the multiple sets of the third elastic element, the spring pin, the plug pin, and the slider are arranged at radial intervals along the dynamic submarine cable joint.

[0016] This invention provides a dynamic submarine cable connector release / installation system. A connector is fitted onto a dynamic submarine cable. The dynamic submarine cable connector is pre-assembled using a locking block and the connector. When the dynamic submarine cable connector needs to be released from the cable, the connector passes through the bottom of a fixed cylinder. A self-locking mechanism locks the connector inside the fixed cylinder. A locking pin, resisted by the fixed cylinder, pushes the locking block out of the connector, thus separating the connector and the dynamic submarine cable connector, allowing the connector to automatically detach from the cable. When the dynamic submarine cable connector needs to be installed, a slider is released, allowing it to extend beyond the connector. The connector then passes through the top of the fixed cylinder, and the slider locks in the locking groove, automatically assembling the connector and connector. The self-locking mechanism flips outward relative to the fixed cylinder, separating it from the connector. The connector then automatically sinks to the seabed with the connector. This system enables rapid release and assembly of the dynamic submarine cable connector without the need for manual underwater operations, avoiding safety hazards and shortening construction time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the dynamic submarine cable joint release / installation system provided by the present invention.

[0019] Figure 2 This is a cross-sectional view of the dynamic submarine cable joint release / installation system provided by the present invention in the state where the dynamic submarine cable joint is released.

[0020] Figure 3 This is a cross-sectional view of the dynamic submarine cable joint release / installation system provided by the present invention in the state of the dynamic submarine cable joint being installed.

[0021] Figure 4 This is a cross-sectional view of the dynamic submarine cable joint release / installation system provided by the present invention during the pre-assembly of the dynamic submarine cable joint and connector.

[0022] Figure 5 This is a front view of the dynamic submarine cable connector release / installation system provided by the present invention.

[0023] Figure 6 This is a top view of the dynamic submarine cable joint release / installation system provided by the present invention.

[0024] Figure 7 This is a schematic diagram of the connector provided by the present invention.

[0025] Figure label: 1. Dynamic submarine cable connector; 11. Locking block; 12. Sliding block; 13. Connecting groove; 14. Mounting groove; 2. Connecting seat; 21. Locking groove; 22. Groove; 23. Groove body; 3. Locking pin; 31. End cap; 4. Drive mechanism; 5. Fixing cylinder; 51. Self-locking mechanism; 511. Bolt block; 6. Cam ring; 61. Support ear; 7. Second elastic element; 8. Third elastic element; 9. Spring pin; 10. Insert pin. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0027] The terms "first" and "second" in the specification and claims of this invention may explicitly or implicitly include one or more of those features. In the description of this invention, unless otherwise stated, "a plurality of" means two or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0028] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0029] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0030] The following is combined with Figures 1-7 The present invention provides a detailed description of a dynamic submarine cable joint release / installation system through specific embodiments and application scenarios.

[0031] like Figure 1 As shown, this invention provides a dynamic submarine cable connector release / installation system, comprising: a dynamic submarine cable connector 1, a connecting seat 2, a locking pin 3, a drive mechanism 4, a fixing cylinder 5, and a self-locking mechanism 51 disposed on the fixing cylinder 5. The fixing cylinder 5 is used for installation on an offshore foundation platform. A locking block 11 and a slider 12 are slidably disposed on the dynamic submarine cable connector 1. The locking block 11 is inserted into the connecting seat 2. One end of the locking pin 3 abuts against the locking block 11, and the other end protrudes from the connecting seat 2. The drive mechanism 4 is connected to the self-locking mechanism 51, and the connecting seat 2 is provided with a locking groove 21.

[0032] like Figure 2 As shown, when the dynamic submarine cable connector 1 is in the disengaged state, the slider 12 is retracted into the dynamic submarine cable connector 1, and the connecting seat 2 is locked in the fixed cylinder 5 by the self-locking mechanism 51. The locking pin 3 is pushed by the fixed cylinder 5 to disengage the locking block 11 from the connecting seat 2, so that the dynamic submarine cable connector 1 and the connecting seat 2 are separated.

[0033] like Figure 3 As shown, when the dynamic submarine cable connector 1 is in the installation state, the slider 12 extends out of the dynamic submarine cable connector 1 and is inserted into the locking groove 21. The drive mechanism 4 drives the self-locking mechanism 51 to flip outward relative to the fixed cylinder 5 to release the connecting seat 2.

[0034] Understandably, such as Figure 2 As shown, the connecting seat 2 is cylindrical. Figure 4 As shown, in the initial state, connector 2 is fitted onto the dynamic submarine cable, and the dynamic submarine cable connector 1 is located inside connector 2, pre-assembled with connector 2 via locking block 11. Connector 2 has a groove 23. With the dynamic submarine cable connector 1 and connector 2 pre-assembled, locking block 11 is inserted into groove 23. Figure 4 As shown, the locking pin 3 passes through the connector 2. In the pre-assembled state of the dynamic submarine cable connector 1 and the connector 2, one end of the locking pin 3 abuts against the locking block 11, and the other end extends out of the connector 2.

[0035] When it is necessary to release the dynamic submarine cable joint 1, the dynamic submarine cable is pulled using the submarine cable traction head, guiding the connector 2 through the bottom end of the fixed cylinder 5. When the connector 2 is inserted into the fixed cylinder 5, the self-locking mechanism 51 automatically locks the connector 2 inside the fixed cylinder 5. Then, as... Figure 2 As shown, under the pressure of the fixed cylinder 5, the locking pin 3 retracts into the connecting seat 2, pushing the locking block 11 to disengage from the connecting seat 2. The connecting seat 2 is locked inside the fixed cylinder 5, and the dynamic submarine cable connector 1 is unlocked from the connecting seat 2. The submarine cable traction head continues to pull the dynamic submarine cable connector 1 through the fixed cylinder 5, thus detaching the dynamic submarine cable connector 1 from the dynamic submarine cable. At this time, the slider 12 is located inside the dynamic submarine cable connector 1 to avoid the connecting seat 2.

[0036] like Figure 3 As shown, when the dynamic submarine cable connector 1 needs to be installed, the slider 12 is manually released, causing the slider 12 to extend out of the dynamic submarine cable connector 1. Then the dynamic submarine cable connector 1 passes through the top of the fixed cylinder 5, and the slider 12 moves down along the inner wall of the fixed cylinder 5 until it slides into the locking groove 21, thereby assembling the dynamic submarine cable connector 1 and the connecting seat 2 together.

[0037] like Figure 1 As shown, the drive mechanism 4 is installed on the outer wall of the fixed cylinder 5. The drive end of the drive mechanism 4 is connected to the self-locking mechanism 51 to drive the self-locking mechanism 51 to rotate outward relative to the fixed cylinder 5, thereby separating the self-locking mechanism 51 from the connecting seat 2. At this time, the connecting seat 2 is dislodged from the fixed cylinder 5 under the action of natural gravity and the tension of the dynamic submarine cable, causing the dynamic submarine cable joint 1 to sink to the seabed together.

[0038] This invention provides a dynamic submarine cable connector release / installation system. A connector 2 is fitted onto a dynamic submarine cable. The dynamic submarine cable connector 1 is pre-assembled with the connector 2 via a locking block 11. When it is necessary to release the dynamic submarine cable connector 1 from the dynamic submarine cable, the connector 2 is passed through the bottom end of a fixing cylinder 5. Under the action of a self-locking mechanism 51, the connector 2 is locked inside the fixing cylinder 5. A locking pin 3, under the resistance of the fixing cylinder 5, pushes the locking block 11 out of the connector 2, thereby separating the connector 2 from the dynamic submarine cable connector 1, and thus allowing the dynamic submarine cable connector 1 to automatically detach from the dynamic submarine cable. When installation is required... When the dynamic submarine cable connector 1 is in operation, the slider 12 is released so that it extends outward from the dynamic submarine cable connector 1. Then, the dynamic submarine cable connector 1 passes through the top of the fixed cylinder 5, and the slider 12 is locked in the locking groove 21, thereby realizing the automatic assembly of the dynamic submarine cable connector 1 and the connecting seat 2. The driving mechanism 4 drives the self-locking mechanism 51 to rotate outward relative to the fixed cylinder 5, so that the self-locking mechanism 51 and the connecting seat 2 are separated. The dynamic submarine cable connector 1 automatically sinks to the seabed with the connecting seat 2, thereby realizing the rapid release and assembly of the dynamic submarine cable connector 1 without the need for manual underwater operation, avoiding the safety hazards of manual underwater operation, and shortening the construction time.

[0039] In some embodiments, such as Figure 5 As shown, the self-locking mechanism 51 includes a bolt block 511, a first elastic element, and a retaining element. The fixing cylinder 5 has a through hole. The bolt block 511 is installed in the through hole. One end of the first elastic element is fixed to the bolt block 511, and the other end is fixed to the retaining element. When the dynamic submarine cable connector 1 is in the released state, the retaining element and the connecting seat 2 abut against each other.

[0040] Specifically, a through hole is provided on the side of the fixed cylinder 5. A bolt block 511 is installed at the through hole to provide support for the clamping member and the first elastic member. Optionally, the first elastic member is a spring. The spring is located between the clamping member and the bolt block 511. At least a portion of the clamping member extends outward from the inner wall of the fixed cylinder 5. As the connecting seat 2 is inserted, the clamping member and the outer wall of the connecting seat 2 abut tightly, thereby locking the connecting seat 2 inside the fixed cylinder 5.

[0041] Specifically, such as Figure 1 and Figure 5 As shown, the dynamic submarine cable connector release / installation system also includes a cam ring 6. The cam ring 6 is rotatably fitted onto the fixed cylinder 5. The cam ring 6 has a protruding lug 61. The bolt block 511 is hinged to the outer wall of the fixed cylinder 5, and the drive end of the drive mechanism 4 is connected to the cam ring 6. As the cam ring 6 rotates, the lug 61 and the bolt block 511 abut against each other to push the bolt block 511 to flip outward relative to the fixed cylinder 5, thereby separating the clamping member and the connecting seat 2.

[0042] Optionally, the drive mechanism 4 can be an electric push rod. The electric push rod is fixed to the outer wall of the fixed cylinder 5. The telescopic end of the electric push rod is fixedly connected to the cam ring 6. In the initial state, the lug 61 and the bolt 511 are separated. When it is necessary to release the connecting seat 2 from the fixed cylinder 5, the telescopic end of the electric push rod is extended forward to drive the cam ring 6 to rotate relative to the fixed cylinder 5. The lug 61 rotates with the cam ring 6 until it contacts the bolt 511, thereby pushing the bolt 511 to flip outward relative to the fixed cylinder 5. The clamping member moves outward with the bolt 511 to release the connecting seat 2.

[0043] In some embodiments, multiple sets of self-locking mechanisms 51 are provided. Multiple sets of self-locking mechanisms 51 are arranged radially spaced along the fixed cylinder 5 to further securely lock the connecting seat 2 within the fixed cylinder 5.

[0044] Optional, such as Figure 6 As shown, three sets of self-locking mechanisms 51 are configured. The three sets of self-locking mechanisms 51 are equally spaced along the radial direction of the fixed cylinder 5. In this embodiment, the cam ring 6 has three protruding lugs 61. When it is necessary to release the connecting seat 2 from the fixed cylinder 5, the drive mechanism 4 drives the cam ring 6 to rotate, and the three lugs 61 abut against the bolts of the three self-locking mechanisms 51 in a corresponding manner to push the three bolts 511 to flip outward relative to the fixed cylinder 5 at the same time, thereby releasing the connecting seat 2.

[0045] In some embodiments, such as Figure 2 and Figure 3 As shown, the locking pin 3 has an end cap 31 at one end near the fixing cylinder 5. The connecting seat 2 has a groove 22, with the opening of the groove 22 facing the fixing cylinder 5. The locking pin 3 passes through the bottom of the groove 22 and abuts against the locking block 11. When the dynamic submarine cable connector 1 is in the disengaged state, the end cap 31 is received in the groove 22.

[0046] By providing an end cap 31 at the end of the locking pin 3 near the fixing cylinder 5, the contact area between the locking pin 3 and the inner wall of the fixing cylinder 5 is increased, ensuring that the locking pin 3 has sufficient thrust to push the locking block 11 out of the connecting seat 2, thereby achieving rapid unlocking of the dynamic submarine cable connector 1. After the locking block 11 is disengaged from the connecting seat 2, the end cap 31 is accommodated in the groove 22 so that the locking pin 3 can avoid the fixing cylinder 5 when the connecting seat 2 sinks.

[0047] In some embodiments, such as Figure 1 As shown, one end of the fixing cylinder 5 is tapered to guide the connecting seat 2 to quickly penetrate into the fixing cylinder 5. Simultaneously, the larger diameter end of the fixing cylinder 5 guides the end cap 31 to retract into the groove 22, increasing the contact area between the inner wall of the fixing cylinder 5 and the end cap 31. This ensures that the locking pin 3 has sufficient thrust to push the locking block 11 out of the connecting seat 2, thereby achieving rapid unlocking of the dynamic submarine cable connector 1. Optionally, such as... Figure 3 and Figure 4As shown, the side of the end cap 31 closest to the inner wall of the fixing cylinder 5 is arc-shaped so that the inner wall of the fixing cylinder 5 can come into close contact with the end cap 31.

[0048] In some embodiments, such as Figure 2 As shown, the dynamic submarine cable connector release / installation system also includes a second elastic element 7. The dynamic submarine cable connector 1 is provided with a connecting groove 13. The opening of the connecting groove 13 faces the connecting seat 2, and the locking block 11 is slidably disposed in the connecting groove 13 so that the locking block 11 can retract into the interior of the dynamic submarine cable connector 1 under the push of the locking pin 3. The second elastic element 7 is disposed on one side wall of the connecting groove 13 and abuts against the locking block 11, so that the locking block 11 is securely clamped between the other side wall of the connecting groove 13 and the second elastic element 7, ensuring that the locking block 11 can be stably fixed in the target position. For example, when the connecting seat 2 and the dynamic submarine cable connector 1 are pre-assembled, the elastic force of the second elastic element 7 can securely insert the locking block 11 into the connecting seat 2, preventing the locking block 11 from retracting into the connecting groove 13 on its own. When the dynamic submarine cable connector 1 is unlocked from the connecting seat 2, the elastic force of the second elastic element 7 can securely lock the locking block 11 in the connecting groove 13, preventing the locking block 11 from extending out of the connecting groove 13 on its own.

[0049] In some embodiments, multiple sets of locking pins 3 and locking blocks 11 are provided. These multiple sets of locking pins 3 and locking blocks 11 are arranged radially at intervals along the dynamic submarine cable connector 1 to ensure the stability of the pre-assembled connection between the connector 2 and the dynamic submarine cable connector 1. When the connector 2 is inserted into the fixing cylinder 5, multiple locking pins 3 simultaneously push multiple locking blocks 11 to increase the unlocking force of the locking pins 3 on the dynamic submarine cable connector 1. Optionally, three sets of locking pins 3 and locking blocks 11 are provided. The three sets of locking pins 3 and locking blocks 11 are equally spaced radially along the fixing cylinder 5.

[0050] In some embodiments, such as Figure 2 As shown, the dynamic submarine cable connector release / installation system also includes a third elastic element 8, a spring pin 9, and a latch 10. The dynamic submarine cable connector 1 is provided with an installation groove 14. The slider 12 is slidably disposed in the installation groove 14. One end of the third elastic element 8 is fixed to the bottom of the installation groove 14, and the other end is fixed to the slider 12. The spring pin 9 is disposed on one side wall of the installation groove 14.

[0051] When the dynamic submarine cable connector 1 is in the disengaged state, the spring pin 9 and the slider 12 abut against each other to lock the slider 12 in the mounting groove 14. When the dynamic submarine cable connector 1 is in the installed state, the pin 10 is inserted into the spring pin 9 to separate the spring pin 9 and the slider 12, and the slider 12 extends out of the mounting groove 14.

[0052] Specifically, when the dynamic submarine cable connector 1 needs to be disengaged, the spring pin 9 presses the slider 12 against the other side wall of the mounting groove 14, so that the slider 12 is housed within the mounting groove 14, thereby avoiding the connection seat 2. When the dynamic submarine cable connector 1 needs to be installed, the pin 10 is manually inserted radially through the spring pin 9, causing the spring pin 9 to retract, thereby separating the spring pin 9 and the slider 12. The slider 12 extends out of the mounting groove 14 under the elastic action of the third elastic element 8. During installation, the dynamic submarine cable connector 1 is inserted into the connection seat 2, and the slider 12 moves along the inner wall of the connection seat 2 until the slider 12 slides into the locking groove 21, thereby realizing the automatic assembly of the dynamic submarine cable connector 1 and the connection seat 2.

[0053] In some embodiments, such as Figure 7 As shown, multiple sets of the third elastic element 8, spring pin 9, pin 10, and slider 12 are provided together. These multiple sets of the third elastic element 8, spring pin 9, pin 10, and slider 12 are arranged radially at intervals along the dynamic submarine cable joint 1 to further ensure the stability of the assembly of the dynamic submarine cable joint 1 and the connecting seat 2.

[0054] Optionally, three sets of the third elastic element 8, spring pin 9, pin 10 and slider 12 are provided together, and the three sets of the third elastic element 8, spring pin 9, pin 10 and slider 12 are distributed at equal intervals along the radial direction of the dynamic submarine cable joint 1.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A dynamic subsea cable joint release / installation system characterised in that, include: Dynamic submarine cable connectors, connectors, locking pins, fixing cylinders, and self-locking mechanisms; The dynamic submarine cable connector is slidably equipped with a locking block and a sliding block; The locking block is inserted into the connecting seat, one end of the locking pin abuts against the locking block, and the other end protrudes from the connecting seat to abut against the fixing cylinder; The connecting seat is provided with a locking groove for engaging with the slider; The self-locking mechanism is disposed on the fixed cylinder and is used to lock or separate the connecting seat from the fixed cylinder; the fixed cylinder is used for installation on an offshore foundation platform; It also includes a cam ring, which is rotatably sleeved on the fixed cylinder and used to cooperate with the self-locking mechanism to separate the connecting seat from the fixed cylinder; It also includes a drive mechanism connected to the self-locking mechanism, used to drive the self-locking mechanism to rotate outward relative to the fixed cylinder to release the connecting seat; the drive end of the drive mechanism is connected to the cam ring; It also includes a third elastic element, a spring pin, and a latch. The dynamic submarine cable connector is provided with an installation groove. The slider is slidably disposed in the installation groove. One end of the third elastic element is fixed to the bottom of the installation groove, and the other end is fixed to the slider. The spring pin is disposed on one side wall of the installation groove. When the dynamic submarine cable connector is in the disengaged state, the spring pin and the slider abut against each other to lock the slider in the mounting groove; when the dynamic submarine cable connector is in the installed state, the pin is inserted into the spring pin to separate the spring pin and the slider, and the slider extends out of the mounting groove.

2. A dynamic cable joint release / installation system according to claim 1, characterised in that, The self-locking mechanism includes a bolt block, a first elastic element, and a clamping element. The fixed cylinder has a through hole, and the bolt block is installed in the through hole. One end of the first elastic element is fixed to the bolt block, and the other end is fixed to the clamping element. When the dynamic submarine cable joint is in the released state, the clamping element and the connecting seat abut against each other.

3. A dynamic cable joint release / installation system according to claim 1, characterised in that, The locking pin has an end cap near the fixed cylinder, the connecting seat has a groove with the groove opening facing the fixed cylinder, the locking pin passes through the bottom of the groove and abuts against the locking block; when the dynamic submarine cable connector is in the released state, the end cap is received in the groove.

4. A dynamic cable joint release / installation system according to claim 3, characterised in that, One end of the fixing cylinder is gradually widened, and the large-diameter end of the fixing cylinder is used to guide the end cap to retract into the groove.

5. A dynamic submarine cable joint release / installation system according to claim 1, characterised in that, It also includes a second elastic element. The dynamic submarine cable connector is provided with a connecting groove. The opening of the connecting groove faces the connecting seat. The locking block is slidably disposed in the connecting groove. The second elastic element is disposed on one side wall of the connecting groove and abuts against the locking block.

6. A dynamic submarine cable joint release / installation system according to claim 1, characterised in that, Multiple sets of the third elastic element, the spring pin, the latch, and the slider are provided together, and these multiple sets of the third elastic element, the spring pin, the latch, and the slider are arranged at radial intervals along the dynamic submarine cable joint.

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