Cable laying ship sea optical cable high-speed transmission device suitable for multiple working conditions and working method of cable laying ship sea optical cable high-speed transmission device

Abstract

The invention relates to the technical field of submarine optical cable laying, and discloses a cable laying ship submarine optical cable high-speed transmission device suitable for multiple working conditions and a working method of the cable laying ship submarine optical cable high-speed transmission device. One ends of the two operating lines are provided with the wire slot module assemblies, and the other ends are provided with the laying and recycling devices; the operating line I comprises a drum type cable laying machine assembly, and the assembly comprises a fair lead, a drum type cable laying machine and a four-pair-wheel linear cable laying machine which are sequentially arranged in the direction from the stern to the bow; the operating line II comprises a linear cable laying machine assembly, and the linear cable laying machine assembly comprises a cable stopper and a linear cable laying machine with 21 pairs of wheels which are sequentially arranged in the direction from the stern to the bow; two cable cabin module assemblies are sequentially arranged in front of the drum type cable laying machine assembly; and a rotary module is arranged between the two cable cabin module assemblies. The cable laying ship is suitable for various working conditions, optical cables can be loaded on the bow and the stern, the cable laying ship with more working conditions and complex combination can work orderly, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of submarine optical cable laying equipment, and in particular to a submarine optical cable transmission device of a cable-laying ship applicable to multiple working conditions and a loading and laying method thereof. Background Art

[0002] With the rapid development of communication technology and people's increasing requirements for communication bandwidth and quality, it is very difficult to achieve communication between countries or regions by laying optical cables on land due to the large proportion of the world's ocean area and its wide distribution. It is also difficult to build optical cable transfer stations on the sea level. In order to achieve effective long-distance communication, it is particularly important to vigorously lay communication optical cables on the seabed. The laying of optical cables is achieved by special cable-laying ships, which can load and lay thousands of kilometers of optical cables at a time. The cable laying process requires corresponding ship-borne optical cable transmission equipment to transport optical cables to the laying route. Faced with such a huge task, the general cable-laying ship-borne optical cable transmission solution relies on manpower to transmit optical cables, with slow transmission speed and low efficiency, which is difficult to meet the increasing demand for cable laying work.

[0003] Existing cable-laying vessels have the following shortcomings: 1) Cable-laying vessels can only be used for cable laying, recovery and laying, and cannot perform the cable guiding operation of transferring the optical cable in the cable compartment to another cable compartment; 2) The cable laying efficiency of the device is not high.

[0004] Related reference CN116626834A discloses a cable laying system and a cable laying method for laying submarine optical cables. Its cable laying device includes a cable storage drum, a detwisting frame and a cable laying machine. The cable storage drum, the detwisting frame and the cable laying machine are sequentially arranged on the cable laying vessel along the extension direction of the cable laying vessel. The cable storage drum is used to store light submarine cables, the detwisting frame is used to detwist the light submarine cables, and the cable laying machine is used to lay light submarine cables, but cannot guide cables. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-speed transmission device for submarine optical cables suitable for multiple working conditions and a working method thereof, which can be loaded with optical cables at the bow and stern of the ship, so that a cable-laying ship with multiple working conditions and complex combinations can work in an orderly manner and improve work efficiency.

[0006] In order to solve the above technical problems, the present invention provides a high-speed transmission device for submarine optical cables of cable laying vessels suitable for multiple working conditions, comprising parallel operation lines I and II, a slewing module, and two pairs of wheel mobile cable laying devices; a cable trough module assembly is installed at one end of the operation lines I and II, and a laying and recovery device is installed at the other end; The operation line I includes a drum-type cable laying machine assembly, which includes a fairlead, a drum-type cable laying machine and a 4-pair-wheel linear cable laying machine; the fairlead, the drum-type cable laying machine and the 4-pair-wheel linear cable laying machine are arranged in sequence from the stern to the bow of the ship; The operation line II includes a linear cable laying machine assembly, which includes a cable puller and a 21-pair-wheel linear cable laying machine. The cable puller and the 21-pair-wheel linear cable laying machine are arranged in sequence from the stern to the bow of the ship. One end of the cable puller is connected to the cable trough II of the operation line II, and the other end of the cable puller is connected to the 21-pair-wheel linear cable laying machine. On the cable trough II, rollers are provided at key nodes of the optical cable transmission path. A cable cabin two module assembly is arranged in front of the drum-type cable laying machine assembly, and a cable cabin one module assembly is arranged in front of the cable cabin two module assembly; a rotary module is arranged between the cable cabin two module assembly and the cable cabin one module assembly.

[0007] By adopting the above technical solution, the transmission device is fully functional, and a ship integrates multiple working conditions. In addition to the conventional transmission, loading and recovery of optical cables, it can also choose to load at the bow or stern according to the position of the ship's side. Secondly, when a cable compartment lacks optical cables, another cable compartment can be used to guide the cable with the cable compartment, so as to complete the replenishment of optical cables without docking. At the same time, the operation of laying optical cables while recovering them can be carried out, which greatly improves the efficiency of cable laying.

[0008] Preferably, the cable trough module assembly is mainly composed of a 90-degree cable trough at the top, a cable trough III at the middle, and a cable entry port at the bottom.

[0009] By adopting the above technical solution, the cable trough module assembly is detachable, and the optical cable can be loaded at the bow or the stern according to the position of the ship's side. If it is docked on the starboard side, it is convenient for bow loading, and if it is docked on the port side, it is convenient for stern loading.

[0010] Preferably, when the cable trough module assembly is at the bow, it is installed together with the cable trough of one of the cable cabin module assemblies through a 90-degree cable trough.

[0011] By adopting the above technical solution, the optical cable is judged to be loaded at the bow or the stern according to the position of the ship's side docking. If it is docked on the starboard side, it is convenient to load at the bow, and the cable trough module assembly is installed at the bow.

[0012] Preferably, when the cable trough module assembly is at the stern of the ship, it is installed together through a 90-degree cable trough and the fairleads and cable stops of the two working lines.

[0013] By adopting the above technical solution, the optical cable is judged to be loaded at the bow or the stern according to the position of the ship's side docking. If it is docked on the port side, it is convenient to load it at the stern, and the cable trough module assembly is installed at the stern.

[0014] Preferably, the cable cabin module assembly includes a guide frame I, a Y-shaped cable trough I, a fixed optical cable loading and unloading frame I, an anti-jump protection device and a curved groove; the guide frame I is installed on the cable cabin, and the cable trough I is installed on the long side of the top of the guide frame I; a Y-shaped cable trough I is arranged at one end of the cable trough I, and the Y-shaped cable trough I is connected to the fixed optical cable loading and unloading frame I, and the fixed optical cable loading and unloading frame I is connected to the cable cabin opening I; one side of the fixed optical cable loading and unloading frame I is connected to one side of the guide frame I; a curved groove is arranged in the guide frame I away from the fixed optical cable loading and unloading frame I; a detachable square roller frame I is arranged at the gap of the guide frame I; an anti-jump protection member I is also arranged at the gap of the guide frame I.

[0015] By adopting the above technical solution, the cable cabin module assembly 1 becomes a functional module integrating the entry, exit and storage of optical cables. When the optical cables enter and exit the cabin, the anti-jump protection part Ⅰ allows the optical cables to enter and exit the cabin smoothly; the optical cables are transported to the cable slot Ⅰ through the guide frame Ⅰ, and the optical cables are not damaged during the transmission process. In addition, the cable cabin module assembly 1 and the cable cabin module assembly 2 cooperate with each other to perform cable guiding operations.

[0016] Preferably, the rotary module is a 180-degree cable trough located between operating line I and operating line II.

[0017] By adopting the above technical solution, the 180-degree cable trough is located between operation line I and operation line II, which facilitates the switching and coordination of the two operation lines.

[0018] The working method of the cable-laying ship submarine optical cable high-speed transmission device applicable to multiple working conditions comprises the following steps: Step 1: Preparation Carry out corresponding preparation work according to working conditions; Step 2: Working Condition Selection For loading of optical cables, execute step 3; for laying of optical cables, execute step 4; for recycling of optical cable accessories, execute step 5; for recycling and laying of optical cables, execute step 6; for cable guide, execute step 7; Step 3: Cable loading For bow loading, execute step S31, and for stern loading, execute step S32; S31: The optical cable first enters the cable slot III through the cable entry port, then enters the cable slot of one of the cable cabin module assemblies through the 90-degree cable slot, and finally reaches the detachable square roller frame of the cable cabin module assembly, and reaches the cable hatch port under the support and guidance of the detachable square roller frame and the anti-jump protection member; when encountering a repeater, use a crane to lift the repeater to the storage box, and the optical cables at both ends of the repeater can be gathered by the curved slot, and the subsequent optical cables enter the cabin along the original optical cable entry path, completing the bow loading step; S32: The optical cable first passes through the cable entrance into the cable trough III, then passes through the 90-degree cable trough, then passes through the linear cable laying machine assembly and the Y-shaped cable trough of one of the cable cabin module assemblies, and finally reaches the cable hatch under the support and guidance of the fixed optical cable loading and unloading frame and the anti-jump protection member of the cable cabin module assembly, completing the stern loading step; Step 4: First, the optical cable is unloaded from the cable hatch of one of the cable cabin module assemblies, passes through the fixed optical cable loading and unloading rack and the Y-shaped cable trough, then passes through the linear cable laying machine assembly and the cable machine outdoor cable trough rack at the stern end, and finally reaches the laying and recovery device, completing the optical cable laying steps; Step 5: First, the optical cable accessories pass through the stern pulley I of the operation line I and pass through the drum-type cable laying machine assembly, and then pass through the side of the operation line I and enter the Y-type cable trough II of the drum-type cable laying machine assembly. At this time, the recovered optical cable accessories are processed without entering the cabin, completing the steps of optical cable accessories recovery; Step 6: First, the optical cable passes through the stern pulley I and the drum cable laying machine assembly of the operation line I, then passes through the side of the operation line I, enters the cable groove of the drum cable laying machine assembly, passes through the rotary module, and passes through the cable groove on the side of the operation line II, and comes to the stern pulley II of the operation line II, thereby realizing the steps of optical cable recovery and laying; Step 7: First, the optical cable passes through the cable hatch of one of the cable cabin module assemblies, then passes through the detachable square roller frame and cable groove of this cable cabin module assembly, and then passes through the Y-shaped cable groove of another cable cabin module assembly, and reaches the cable hatch of the cable cabin module assembly under the support and guidance of the fixed optical cable loading and unloading frame and the optical cable anti-jump protection member of the cable cabin module assembly, completing the cable guiding step; Step 8: Determine whether there are other working conditions If yes, execute step 2 again, if no, execute step 9 Step 9: End the operation.

[0019] By adopting the above technical solution and this nine-step working method, various working conditions such as optical cable loading, optical cable laying, optical cable recovery and deployment of the cable-laying vessel can be realized. This method clearly describes the entire operation process, sorts out the working process for cable-laying vessels with more working conditions and complex combinations, enables the work to proceed in an orderly manner, and improves work efficiency.

[0020] Preferably, in the working condition selection of step 2, the optical cable is recovered and laid, and the optical cable that has not completed the cable laying task recovered from the seabed passes through the stern pulley I and the drum cable laying machine of the operation line I in sequence under the traction of the drum cable laying machine assembly. Under the continuous traction of the drum cable laying machine assembly, the optical cable passes through the operation line I and passes through the cable trough close to the drum cable laying machine assembly for recovery; after the recovered optical cable is processed, it is guided by two pairs of wheel mobile cable laying devices and enters the rotary module and the linear cable laying machine assembly. The optical cable is pulled by the linear cable laying machine assembly to the stern pulley II of the operation line II to realize the laying of the optical cable.

[0021] By adopting the above technical solution, the optical cables that have not been laid can be recovered from the seabed and laid again in time after a series of operations, which greatly improves the efficiency of cable laying.

[0022] Preferably, in step four, the deploying and recovering device includes a stern pulley I and a stern pulley II, and the deploying and recovering device is connected to an outdoor cable trough frame of the drum machine and an outdoor cable trough frame of the cable machine.

[0023] By adopting the above technical solution, the outdoor cable trough rack of the drum machine, the outdoor cable trough rack of the cable machine and the laying and recovery device are installed together to realize the laying and recovery functions of the optical cable.

[0024] Preferably, the drum turbine outdoor cable trough frame, the cable machine outdoor cable trough frame and the drum type cable laying machine assembly and the linear type cable laying machine assembly are spliced; the width of the drum turbine outdoor cable trough frame is greater than the width of the cable machine outdoor cable trough frame.

[0025] By adopting the above technical solution, the outdoor cable duct frame of the drum turbine is slightly wider, which is convenient for recycling accessories with slightly larger sizes.

[0026] Compared with the prior art, the present invention has the following beneficial effects: 1. The transmission device of the present invention is fully functional, and one ship integrates multiple working conditions. In addition to conventional transmission, loading and recovery of optical cables, it can also choose to load at the bow or stern according to the position of the ship's side. Secondly, when one cable compartment lacks optical cables, another cable compartment can be used to guide the cable with the cable compartment, so as to complete the replenishment of optical cables without docking. At the same time, the operation of laying optical cables while recovering them can be carried out, which greatly improves the efficiency of cable laying.

[0027] 2. The cable cabin module assembly of the present invention is a functional module that integrates the entry, exit and storage of optical cables. When the optical cables enter and exit the cabin, the anti-jump protection member I allows the optical cables to enter and exit the cabin smoothly; the optical cables are transported to the cable slot I through the guide frame I, and the optical cables are not damaged during the transmission process. In addition, the cable cabin module assembly and the cable cabin module assembly cooperate with each other to perform cable guiding operations.

[0028] 3. The transmission device of the present invention has two transmission operation lines, which are powered by a drum-type cable laying machine assembly and a linear cable laying machine assembly respectively arranged in the two operation lines to transmit optical cables safely and efficiently.

[0029] 4. The present invention realizes various working conditions such as optical cable loading, optical cable laying, optical cable recovery and deployment of the cable-laying vessel through this nine-step working method. This method clearly describes the entire operation process, sorts out the working process for the cable-laying vessel with more working conditions and complex combinations, makes the work proceed in an orderly manner, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 : Assembly drawing of optical cable transmission device; Figure 2 : Schematic diagram of the general assembly of the optical cable transmission system Figure 3 : Diagram of deploying and recovering device; Figure 4 : Cross-sectional view of the outdoor cable duct rack of the drum machine and the outdoor cable duct rack of the cable machine; Figure 5 : Cable cabin module assembly diagram; Figure 6 : Cable cabin second module assembly diagram; Figure 7 : Wire duct module assembly diagram; Figure 8 : Schematic diagram of the rotation module; Fig. 9 : Assembly drawing of drum type cable laying machine; Fig.10 : Linear cable laying machine assembly diagram; Fig.11 : Schematic diagram of bow loading condition; Fig.12 : Schematic diagram of stern loading condition; Fig.13 : Optical cable laying Fig.14 : Schematic diagram of the recovery of optical cables and accessories; Fig.15 : Schematic diagram of optical cable recovery and laying conditions; Fig.16 : Schematic diagram of cable guide working condition; Fig.17 : Flow chart of working steps of optical cable high-speed transmission device.

[0031] In the figure: 1-operation line I, 2-operation line II; 10-cable cabin module assembly 1, 20-cable cabin module assembly 2, 30-cable trough module assembly, 40-rotation module, 50-drum cable laying machine assembly, 60-linear cable laying machine assembly, 70-2 pairs of wheel mobile cable barge, 80-laying and recovery device, 90-repeater storage box; 11-cable trough Ⅰ, 12-detachable square roller frame Ⅰ, 13-Y-type cable trough Ⅰ, 14-fixed optical cable loading and unloading frame Ⅰ, 15-anti-jump protection part Ⅰ, 16-cable hatch Ⅰ, 17-guide frame Ⅰ, 18-curved groove Ⅰ, 21-cable trough Ⅱ, 22-detachable square roller frame Ⅱ, 23-Y-type cable trough Ⅱ, 24-fixed optical cable loading and unloading frame Ⅱ, 25-anti-jump protection part Ⅱ, 26-cable hatch Ⅱ, 27-guide frame Ⅱ, 28-curved groove Ⅱ, 29-gradient cable trough, 31-90 degree cable trough, 32-cable trough Ⅲ, 33-cable entry, 34-D-ring, 35-ratchet tightening belt, 36-drum machine outdoor trough frame, 37-cable machine outdoor trough frame, 51-cable guide, 52-drum cable laying machine, 53- 4-pair-wheel linear cable laying machine, 61-cable stopper, 62- 21-pair-wheel linear cable laying machine, 81-stern pulley I, 82-stern pulley II. DETAILED DESCRIPTION

[0032] In order to more clearly illustrate the design scheme of the invention, the following is a more detailed description of the technical scheme of this application in conjunction with the accompanying drawings: like Figure 1 As shown, the present invention provides a high-speed transmission device for optical cables of deep-sea cable laying vessels suitable for multiple working conditions, including a cable cabin module assembly 10, a cable cabin module assembly 20, a cable trough module assembly 30, a rotary module 40, a drum cable laying machine assembly 50, a linear cable laying machine assembly 60, a two-pair-wheel mobile cable laying device 70, a laying and recovery device 80, and a repeater storage box 90. The device is divided into two working lines, including working line I-drum cable laying machine CDE working line and working line II-cable laying machine LCE working line. Two transmission working lines are adopted, and power is provided by the drum cable laying machine assembly 50 and the linear cable laying machine assembly 60 respectively arranged in the two working lines, so as to safely and efficiently transmit optical cables. The right end of the working line is in the bow direction, and the left end of the working line is in the stern direction; the cable cabin module assembly 10 is located near the bow; the cable cabin module assembly 20 is located on the left side of the cable cabin module assembly 10. The transmission device is suitable for various working conditions such as bow optical cable loading, stern optical cable loading, optical cable recovery and deployment, optical cable laying, optical cable and accessories recovery, and cable guiding between cable cabins.

[0033] The cable trough module assembly 30 is detachable and can be placed at the bow or at the stern for loading optical cables. The cable trough module assembly 30 is oriented toward the starboard side of the ship, and the opposite direction is the port side.

[0034] The drum-type cable laying machine assembly 50 is located at the position of the No. 1 working line near the stern of the ship, connecting the indoor cable trough assembly (cable trough Ⅰ11, cable trough Ⅱ21) of the drum-type cable laying machine CDE working line Ⅰ1 and the drum-type cable trough frame 36 of the drum-type cable laying machine CDE working line Ⅰ1. The main function of the drum-type cable laying machine assembly 50 is to provide power for the recovery or laying of optical cables.

[0035] The linear cable laying machine assembly 60 is located near the stern of the No. Ⅱ working line, connecting the indoor cable trough assembly (cable trough Ⅰ11, cable trough Ⅱ21) of the cable machine LCE operating line Ⅱ2 and the cable machine outdoor cable trough frame 37 of the cable machine LCE operating line Ⅱ2. The main function of the linear cable laying machine assembly 60 is to provide power for the laying of optical cables.

[0036] The bottom surface of the two-pair-wheel mobile cable barge 70 has movable wheels, which are movable and used to pull the externally loaded optical cable into the cable cabin. The two pairs of wheels of the two-pair-wheel mobile cable barge 70 are protruding and can be swung to the cable groove at the required position. The laying and recovery device 80 is located at the stern position at the end of the entire working line, and is mainly used for the recovery or laying of optical cables and the recovery and laying of optical cables at the same time.

[0037] The transmission device of the present application is fully functional, and a ship integrates multiple working conditions. In addition to conventional transmission, loading and recovery of optical cables, it can also choose to load at the bow or stern according to the position of the ship's side. Secondly, when a cable compartment lacks optical cables, another cable compartment can be used to guide the cable with the cable compartment, so as to complete the replenishment of optical cables without docking. At the same time, the operation of laying optical cables while recovering them can be carried out, which greatly improves the efficiency of cable laying.

[0038] Figure 2 It shows the interconnection relationship between the modules of each working line. The drum cable laying machine assembly 50 is located on the working line I. The linear cable laying machine assembly 60 is located on the working line II. One side of the cable cabin module assembly 20 is located on the working line I, and the other side is located on the working line II. One side of the cable cabin module assembly 10 is located on the working line I, and the other side is located on the working line II. The cable cabin module assembly 20 and the cable cabin module assembly 10 are installed in sequence toward the bow along the two working lines. The 4-pair-wheel linear cable laying machine 53 is connected to the gradual cable trough 29 on one side of the cable cabin module assembly 20. The 21-pair-wheel linear cable laying machine 62 is connected to the cable trough II 21 on the other side of the cable cabin module assembly 20. The cable trough II 21 and the cable trough I 11 on the same side of the cable cabin module assembly 20 and the cable cabin module assembly 10 are connected to each other.

[0039] like Figure 3As shown, the laying and recovery device 80 includes a stern pulley I 81 and a stern pulley II 82. The stern pulley I 81 is connected to the outdoor cable trough frame 36 of the drum machine, and the stern pulley II 82 is connected to the outdoor cable trough frame 37 of the cable machine. The outdoor cable trough I 36, the outdoor trough frame II 37 and the laying device 80 are installed together to realize the laying and recovery functions of the optical cable. The repeater storage box 90 is located at the port side of the hull.

[0040] like Figure 4 As shown, the drum machine outdoor trough frame 36 and the cable machine outdoor trough frame 37 are both connected to the D-shaped ring 34 on the deck by a ratchet tightening belt 35. The drum machine outdoor trough frame 36 is spliced ​​with the drum type cable laying machine assembly 50, and the cable machine outdoor trough frame 37 is spliced ​​with the linear type cable laying machine assembly 60. The drum machine outdoor trough frame 36 is mainly used to recycle optical cables and other optical cable accessories, and the cable machine outdoor trough frame 37 does not participate in the operation of optical cable recovery. It is mainly used to lay optical cables. Therefore, the drum machine outdoor trough frame 36 is wider than the cable machine outdoor trough frame 37.

[0041] like Figure 5 As shown in the figure, it is a cable cabin module assembly 10. The cable cabin module assembly 10 is a functional module integrating the entry, exit and storage of optical cables. There are two cable troughs Ⅰ11, which are respectively located on the left and starboard sides of the entire cable cabin 1. The guide frame Ⅰ17 is located at the working position shown in the figure, and its function is to protect the optical cable from damage and gather the optical cable. The optical cable is transported to the cable trough Ⅰ11 through the guide frame Ⅰ17, and the optical cable is not damaged during the transmission process. There are four detachable square roller frames Ⅰ12, which are installed in the gap of the guide frame Ⅰ17, two on the left and starboard sides, and are symmetrically distributed. Their function is to limit the optical cable transported to the cable cabin one; the Y-type cable trough Ⅰ13 is located at the leftmost end of the entire cable cabin one, one on the left and starboard sides, and are symmetrically distributed; one end of the fixed optical cable loading and unloading rack Ⅰ14 is connected to the Y-type cable trough Ⅰ13, and the other end faces the cable cabin opening, with an angle of about 45° with the horizontal line, one on the left and starboard sides, and are symmetrically distributed; the Y-type cable trough Ⅰ13 and the fixed optical cable loading and unloading rack Ⅰ14 together constitute the left end cable entrance of the cable cabin one module assembly 10. The anti-jump protection part Ⅰ15 is located in the gap of the guide frame Ⅰ17. The position shown in the figure is in the working position. It is rotated 90° clockwise from the position shown in the figure to the non-working position. The main function of the anti-jump protection part Ⅰ15 is to support the optical cable and prevent the optical cable from moving during the process of entering the cable cabin 1, so that the optical cable can enter and exit the cabin smoothly. The cable hatch Ⅰ16 is on the left side of the cable cabin 1, and is the entrance for the optical cable to enter the cable cabin 1 module assembly 10. The curved groove Ⅰ18 is located on the right side of the cable cabin 1. If a repeater is transmitted to the cable groove Ⅰ11 along with the optical cable, a crane is used to lift the repeater to the storage box. The optical cables at both ends of the repeater can be gathered by the curved groove Ⅰ18, and the subsequent optical cables enter the cabin along the original optical cable entry path.

[0042] like Figure 6As shown, the cable cabin module assembly 20, the cable trough II 21, the detachable square roller frame II 22, the Y-type cable trough II 23, the fixed optical cable loading and unloading frame II 24, the anti-jump protection piece II 25, the cable hatch II 26, the guide frame II 27 and the curved trough II 28 are located in the same position and function as the components in the cable cabin module assembly 10, and will not be repeated here. The difference is that the cable cabin module assembly 20 has a gradual cable trough 29. The gradual cable trough 29 is located on the operation line I1. The width of the right end of the gradual cable trough 29 is narrower than that of the left end. Its left end is connected to the 4-pair-wheel linear cable laying machine 53 of the drum-type cable laying machine assembly 50, and its right end is connected to the Y-type cable trough II 23.

[0043] The cable cabin one module assembly 10 and the cable cabin two module assembly 20 cooperate with each other to perform cable guiding operations.

[0044] like Figure 7 As shown, the cable trough module assembly 30 is mainly composed of a 90-degree cable trough 31 at the top, a cable trough III 32 at the middle, and a cable entry port 33 at the bottom. The optical cable can be loaded along the cable entry port 33 through the cable trough III 32 and the 90-degree cable trough 31. The cable trough module assembly 30 is movable as a whole, and can transmit optical cables near the bow, and can also be moved to the stern to transmit optical cables, and the position is flexible. According to the position of the ship's side docking, it is determined whether the optical cable is loaded at the bow or the stern. If it docks on the starboard side, it is convenient to load at the bow, and if it docks on the port side, it is convenient to load at the stern. There is a certain gap between the two outdoor cable trough racks and the drum cable laying machine assembly 50 and the linear cable laying machine assembly 60, and the two parts are spliced ​​together. The drum cable laying machine 52, the 4-pair-wheel linear cable laying machine 53 and the 21-pair-wheel linear cable laying machine 62 are fixed on the deck, while the cable trough module assembly 30, the cable trough I 11, the cable trough II 21, the drum machine outdoor cable trough frame 36, and the cable machine outdoor cable trough frame 37 are connected to the corresponding deck positions by the ratchet tightening belt 35 and the D-ring 34 and are detachable. When the cable trough module assembly 30 is at the bow, it is installed together with the cable trough I 11 through the 90-degree cable trough 31. When the cable trough module assembly 30 is at the stern, it is installed together with the fairlead 51 and the cable stopper 61 of the two working lines through the 90-degree cable trough 31.

[0045] like Figure 8 As shown, the rotary module 40 is a 180-degree cable trough. The 180-degree cable trough is located between the cable cabin module assembly 10 and the cable cabin module assembly 20, and can transfer the optical cable from the cable trough Ⅱ21 of the drum machine CDE operation line Ⅰ1 to the cable trough Ⅱ21 of the cable machine LCE operation line Ⅱ2, which is convenient for the conversion and coordination of the two operation lines.

[0046] like Fig. 9As shown, the drum cable laying machine assembly 50 is mainly composed of a fairlead 51, a drum cable laying machine 52, and a 4-pair-wheel linear cable laying machine 53. The fairlead 51 is located at the far left, the drum cable laying machine 52 is located in the middle of the drum cable laying machine assembly 50, and the 4-pair-wheel linear cable laying machine 53 is located at the far right of the drum cable laying machine assembly 50; the drum cable laying machine assembly 50 can provide a large traction force and is mostly used for recovering optical cables.

[0047] like Fig.10 As shown, the linear cabling machine assembly 60 is composed of a cable stopper 61 and a 21-pair-wheel linear cabling machine 62. The cable stopper 61 is located on the left side of the linear cabling machine assembly 60, and its left end is connected to the cable machine outdoor cable trough frame 37, and its right end is connected to the 21-pair-wheel linear cabling machine 62; the entire linear cabling machine assembly 60 provides a small traction force but a stable output, and is generally used for laying optical cables.

[0048] In another embodiment, the left ends of the cable reel 51 and the cable stopper 61 are connected to the cable trough module assembly 30 through a cable trough, so as to facilitate loading of optical cables at the stern.

[0049] A high-speed transmission device for optical cables of deep-sea cable-laying vessels suitable for multiple working conditions is applicable to the following six different working conditions, and its working principle is as follows: Working condition 1: Cable bow loading working condition, such as Fig.11 As shown, the cable trough module assembly 30 is installed at the bow position. This figure only shows the process of loading optical cables in the cable compartment module assembly 10 through the No. Ⅱ working line. In actual operation, both cable compartments can load optical cables through the two working lines. The optical cable enters the cable trough III 32 through the cable entry 33, enters the cable trough I 11 through the 90-degree cable trough 31, and reaches the cable compartment opening I 16 under the traction of the two-pair wheel mobile cable barge 70, under the support and guidance of the detachable square roller frame I 12 and the anti-jump protection member I 15, and finally enters the cable compartment I to complete the bow loading of the optical cable. In the subsequent process of the optical cable continuously entering the cable compartment, the two-pair wheel mobile cable barge 70 will continue to provide the optical cable with power to enter the compartment at ① (if it is the cable compartment II, it will be at ②); when a repeater is encountered during loading, the repeater is hoisted by the crane to the repeater storage box 90, and the optical cables at both ends of the repeater can be gathered by the curved groove I 18.

[0050] Working condition 2: Loading condition of optical cable at the stern, such as Fig.12As shown, the cable trough module assembly 30 is installed at the stern position; this figure only shows the process of loading the optical cable in the cable compartment module assembly 20 through the No. Ⅱ working line. In actual operation, both cable compartments can be loaded with optical cables through the two working lines; the optical cable enters the cable trough III 32 through the cable entry 33, passes through the 90-degree cable trough 31, and enters the linear cable laying machine assembly 60 under the traction of the two-pair wheel mobile cable barge 70 (position ③ in the figure); the optical cable continues to move toward the bow direction with the traction provided by the linear cable laying machine assembly 60, passes through the Y-shaped cable trough II 23, reaches the cable compartment port II 26 under the support and guidance of the fixed optical cable loading and unloading frame II 24 and the anti-jump protection member II 25, enters the cable compartment II, and completes the loading of the optical cable at the stern.

[0051] Working condition 3: Optical cable laying working condition, such as Fig.13 As shown, this figure only describes the cable compartment 1 carrying out the optical cable out-of-cabin laying work through the working line II2. In actual work, both cable compartments can carry out the optical cable out-of-cabin laying work through the two working lines. When carrying out the optical cable out-of-cabin laying work, the optical cable anti-jump protection part I15 rotates to the working position, the optical cable is out of the cabin from the cable compartment opening I16, along the cable compartment fixed loading and unloading frame 14 and the Y-type cable trough I13 to the cable trough I11, and is pulled by the two pairs of wheel mobile cable barges 70, and moves along the working line cable trough II21 to the linear cable laying machine assembly 60. The subsequent optical cable is continuously pulled and pushed by the linear cable laying machine assembly 60 (if it is the working line I1, it is the drum-type cable laying machine assembly 50), and moves along the cable machine room outdoor cable trough frame 37 at the stern end to reach the laying and recovery device 80, so that the laying of the submarine optical cable can be further realized.

[0052] Working condition 4: Optical cable and accessories recovery working condition, such as Fig.14 As shown in the figure, only the cable cabin module assembly 20 is shown to recover the optical cable through the drum machine CDE operation line Ⅰ1. In practice, the cable cabin module assembly 10 can also recover the optical cable through the drum machine CDE operation line Ⅰ1. Under the traction of the two pairs of wheel mobile cable laying devices 70, the submarine optical cable passes through the stern pulley Ⅰ81 of the operation line Ⅰ1, passes through the drum cable laying machine assembly 50, and is transmitted to the gradual cable groove 29 of the drum machine CDE operation line Ⅰ1. The optical cable must be connected to the 2-pair-wheel mobile cable drawer 70 (i.e., position ② in the figure, or position ① if it is the cable compartment 1 module assembly 10). Under the traction of the 2-pair-wheel mobile cable drawer 70, the optical cable passes through the Y-shaped cable trough Ⅱ 23 and the fixed optical cable loading and unloading rack Ⅱ 24. At this time, the optical cable anti-jump protection part Ⅱ 25 rotates to the working position, supporting the incoming optical cable and allowing it to smoothly enter the cable compartment 2, thereby realizing the recovery of the optical cable; when encountering auxiliary parts during recovery, they are processed separately and not retracted into the cable compartment.

[0053] Working condition 5: Optical cable recovery and laying working condition, such as Fig.15As shown, the unfinished cable laying task recovered from the seabed passes through the stern pulley Ⅰ81 of line Ⅰ and the drum cable laying machine 52 in sequence under the traction of the drum cable laying machine assembly 50. Under the continuous traction of the drum cable laying machine assembly 50, the optical cable passes through the gradual cable groove 29 of the operation line Ⅰ1 and the cable groove Ⅱ21; after being processed, the recovered optical cable begins to enter the 180-degree cable groove under the guidance of the two-pair-wheel mobile cable laying device 70 at the position ① in the figure, and the operation allows the optical cable to pass through the 180-degree cable groove smoothly; under the guidance of the two-pair-wheel mobile cable laying device 70 at the position ② in the figure, the optical cable enters the linear cable laying machine assembly 60, and the optical cable is pulled to the stern pulley Ⅱ82 of line Ⅱ by the traction of the 21-pair-wheel linear cable laying machine 62, and the work of laying the optical cable is further realized. The optical cable that has not been laid directly from the seabed can be laid in time after a series of operations, which greatly improves the efficiency of cable laying.

[0054] Working condition 6: Cable guide working condition, such as Fig.16 As shown, this figure only shows the cable guiding from the cable cabin module assembly 20 to the cable cabin module assembly 10. In practice, the cable cabin module assembly 10 can also guide the cable to the cable cabin module assembly 20. First, rotate the anti-jump protection part II 25 to the working position, and the optical cable exits the cabin from the cable hatch opening II 26. Under the guidance of the two-pair wheel mobile cable transfer device 70 at position ④ (position ⑤ when transferring from the cable cabin module assembly 10 to the cable cabin module assembly 20), the optical cable passes through the detachable square roller frame II 22 and the cable groove II 21 in turn, and begins to enter the cable cabin 1. Passing through the Y-shaped cable groove I 13, under the support and guidance of the fixed optical cable loading and unloading frame I 14 and the optical cable anti-jump protection part I 15, it reaches the cable hatch opening I 16 to achieve cable guiding. Transferring from the cable cabin module assembly 10 to the cable cabin module assembly 20 is the reverse process of the above operation. When there is insufficient optical cable in one of the cable compartments, the cable guiding operation between the two cable compartments can supply the optical cable to the missing cable compartment without the ship approaching the shore.

[0055] like Fig.17 As shown, the high-speed transmission device for optical cables of deep-sea cable-laying vessels applicable to multiple working conditions, and its working method comprises the following steps: Step 1: Preparation Carry out corresponding preparation work according to working conditions; Step 2: Select working condition For loading of optical cables, execute step 3; for laying of optical cables, execute step 4; for recycling of optical cables and accessories, execute step 5; for recycling and laying of optical cables, execute step 6; for cable guides, execute step 7; Step 3: Cable loading For bow loading, execute step S31, and for stern loading, execute step S32; S31: The optical cable first passes through the cable entry port 33 and enters the cable trough III 32, then passes through the 90-degree cable trough 31 and enters the cable trough I 11, and finally reaches the detachable square roller frame I 12, and reaches the cable hatch I 16 under the support and guidance of the detachable square roller frame I 12 and the anti-jump protection member I 15; when encountering a repeater, use a crane to lift the repeater to the storage box, and the optical cables at both ends of the repeater can be gathered by the curved groove I 18, and the subsequent optical cables enter the cabin along the original optical cable entry path, completing the bow loading step; S32: The optical cable first passes through the cable entry port 33 and enters the cable trough III 32, then passes through the 90-degree cable trough 31, then passes through the linear cable laying machine assembly 60 and the Y-shaped cable trough II 23, and finally reaches the cable hatch II 26 under the support and guidance of the fixed optical cable loading and unloading rack II 24 and the anti-jump protection member II 25, completing the stern loading step; Step 4: First, the optical cable is unloaded from the cable hatch I16 and passes through the fixed optical cable loading and unloading rack I14 and the Y-shaped cable trough I13 of the cable cabin, and then passes through the linear cable laying machine assembly 60 and the cable machine outdoor cable trough rack 37 at the stern end of the ship, and finally reaches the laying and recovery device 80, completing the optical cable laying step; Step 5: First, the optical cable passes through the stern pulley Ⅰ81 of the drum machine CDE operation line Ⅰ1 and passes through the drum type cable laying machine assembly 50, and then passes through the gradual cable groove 29 and the Y-type cable groove Ⅱ 23 of the operation line Ⅰ1 to recycle the optical cable into the cable cabin. When the optical cable accessories are encountered during the recycling, they are processed separately without entering the cabin, and the steps of recycling the optical cable and accessories are completed; Step 6: After being processed, the optical cable and accessories pass through the 180-degree cable trough, and pass through the cable trough Ⅱ21 of the cable machine LCE operation line Ⅱ2, and come to the stern pulley Ⅱ82 of the operation line Ⅱ2, realizing the steps of optical cable recovery and laying; Step 7: First, the optical cable exits the cabin through the cable hatch II 26, then passes through the detachable square roller frame II 22 and the cable trough II 21, and then passes through the Y-shaped cable trough I 13, and reaches the cable hatch I 16 under the support and guidance of the fixed optical cable loading and unloading frame I 14 and the optical cable anti-jump protection member I 15, completing the cable guiding step; Step 8: Determine if there are other working conditions If yes, execute step 2 again, if no, execute step 9; Step 9: End the operation.

[0056] This working method is applicable to various working conditions of cable-laying vessels, such as loading, laying, recovering and laying optical cables. This method clearly describes the entire operation process, sorts out the working process for cable-laying vessels with many working conditions and complex combinations, enables the work to proceed in an orderly manner and improves work efficiency.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed transmission device for submarine optical cables suitable for multiple working conditions, characterized by: It includes parallel operation line I and operation line II, a slewing module, and two pairs of wheel mobile cable laying devices; one end of the operation line I and the operation line II is equipped with a cable trough module assembly, and the other end is equipped with a laying and recovery device; The operation line I includes a drum-type cable laying machine assembly, which includes a fairlead, a drum-type cable laying machine and a 4-pair-wheel linear cable laying machine; the fairlead, the drum-type cable laying machine and the 4-pair-wheel linear cable laying machine are arranged in sequence from the stern to the bow of the ship; The operation line II includes a linear cable laying machine assembly, which includes a cable puller and a 21-pair-wheel linear cable laying machine. The cable puller and the 21-pair-wheel linear cable laying machine are arranged in sequence from the stern to the bow of the ship. One end of the cable puller is connected to the cable trough II of the operation line II, and the other end of the cable puller is connected to the 21-pair-wheel linear cable laying machine. A cable cabin two module assembly is arranged in front of the drum-type cable laying machine assembly, and a cable cabin one module assembly is arranged in front of the cable cabin two module assembly; a rotary module is arranged between the cable cabin two module assembly and the cable cabin one module assembly.

2. The high-speed transmission device for submarine optical cables suitable for multiple working conditions for cable-laying vessels according to claim 1, characterized in that: The cable trough module assembly is mainly composed of a 90-degree cable trough at the top, a cable trough III at the middle and a cable entry at the bottom.

3. The high-speed transmission device for submarine optical cables suitable for multiple working conditions for cable-laying vessels according to claim 2 is characterized in that: When the cable trough module assembly is at the bow, it is installed together with the cable trough of one of the cable cabin module assemblies through a 90-degree cable trough.

4. The high-speed transmission device for submarine optical cables suitable for multiple working conditions for cable-laying vessels according to claim 2, characterized in that: When the cable trough module assembly is at the stern of the ship, it is installed together through a 90-degree cable trough and the fairleads and cable stoppers of two working lines.

5. The high-speed transmission device for submarine optical cables of cable-laying vessels applicable to multiple working conditions according to claim 1, characterized in that: The cable cabin module assembly includes a guide frame I, a Y-shaped cable trough I, a fixed optical cable loading and unloading frame I, an anti-jump protection device and a curved groove; the guide frame I is installed on the cable cabin, and the cable trough I is installed on the long side of the top of the guide frame I; a Y-shaped cable trough I is arranged at one end of the cable trough I, and the Y-shaped cable trough I is connected to the fixed optical cable loading and unloading frame I, and the fixed optical cable loading and unloading frame I is connected to the cable cabin opening I; one side of the fixed optical cable loading and unloading frame I is connected to one side of the guide frame I; a curved groove is arranged in the guide frame I away from the fixed optical cable loading and unloading frame I; a detachable square roller frame I is arranged at the gap of the guide frame I; an anti-jump protection member I is also arranged at the gap of the guide frame I.

6. The high-speed transmission device for submarine optical cables of a cable-laying ship applicable to multiple working conditions according to claim 1, characterized in that: The rotary module is a 180-degree cable trough located between operation line I and operation line II.

7. A working method of a high-speed transmission device for cable-laying vessels and submarine optical cables applicable to multiple working conditions, characterized in that: The steps include: Step 1: Preparation Carry out corresponding preparation work according to working conditions; Step 2: Working Condition Selection For loading of optical cables, execute step 3; for laying of optical cables, execute step 4; for recycling of optical cable accessories, execute step 5; for recycling and laying of optical cables, execute step 6; for cable guide, execute step 7; Step 3: Cable loading For bow loading, execute step S31, and for stern loading, execute step S32; S31: The optical cable first enters the cable slot III through the cable entry port, then enters the cable slot of one of the cable cabin module assemblies through the 90-degree cable slot, and finally reaches the detachable square roller frame of the cable cabin module assembly, and reaches the cable hatch port under the support and guidance of the detachable square roller frame and the anti-jump protection member; when encountering a repeater, use a crane to lift the repeater to the storage box, and the optical cables at both ends of the repeater can be gathered by the curved slot, and the subsequent optical cables enter the cabin along the original optical cable entry path, completing the bow loading step; S32: The optical cable first passes through the cable entrance into the cable trough III, then passes through the 90-degree cable trough, then passes through the linear cable laying machine assembly and the Y-shaped cable trough of one of the cable cabin module assemblies, and finally reaches the cable hatch under the support and guidance of the fixed optical cable loading and unloading frame and the anti-jump protection member of the cable cabin module assembly, completing the stern loading step; Step 4: First, the optical cable is unloaded from the cable hatch of one of the cable cabin module assemblies, passes through the fixed optical cable loading and unloading rack and the Y-shaped cable trough, then passes through the linear cable laying machine assembly and the cable machine outdoor cable trough rack at the stern end, and finally reaches the laying and recovery device, completing the optical cable laying steps; Step 5: First, the optical cable accessories pass through the stern pulley I of the operation line I and pass through the drum-type cable laying machine assembly, and then pass through the side of the operation line I and enter the Y-type cable trough II of the drum-type cable laying machine assembly. At this time, the recovered optical cable accessories are processed without entering the cabin, completing the steps of optical cable accessories recovery; Step 6: First, the optical cable passes through the stern pulley I and the drum cable laying machine assembly of the operation line I, then passes through the side of the operation line I, enters the cable groove of the drum cable laying machine assembly, passes through the rotary module, and passes through the cable groove on the side of the operation line II, and comes to the stern pulley II of the operation line II, thereby realizing the steps of optical cable recovery and laying; Step 7: First, the optical cable passes through the cable hatch of one of the cable cabin module assemblies, then passes through the detachable square roller frame and cable groove of this cable cabin module assembly, and then passes through the Y-shaped cable groove of another cable cabin module assembly, and reaches the cable hatch of the cable cabin module assembly under the support and guidance of the fixed optical cable loading and unloading frame and the optical cable anti-jump protection member of the cable cabin module assembly, completing the cable guiding step; Step 8: Determine whether there are other working conditions If yes, execute step 2 again, if no, execute step 9 Step 9: End the operation.

8. The working method of the cable-laying ship submarine optical cable high-speed transmission device applicable to multiple working conditions according to claim 7, characterized in that: In the working condition selection of step 2, the optical cable is recovered and laid. The optical cable that has not completed the cable laying task recovered from the seabed passes through the stern pulley I and the drum cable laying machine of the operation line I in sequence under the traction of the drum cable laying machine assembly. Under the continuous traction of the drum cable laying machine assembly, the optical cable passes through the operation line I and passes through the cable trough close to the drum cable laying machine assembly for recovery. After being processed, the recovered optical cable is guided by two pairs of wheel mobile cable laying devices and enters the rotary module and the linear cable laying machine assembly. The optical cable is pulled by the linear cable laying machine assembly to the stern pulley II of the operation line II to realize the laying of the optical cable.

9. The working method of the cable-laying ship submarine optical cable high-speed transmission device applicable to multiple working conditions according to claim 7, characterized in that: In the step 4, the laying and recovery device includes a stern pulley I and a stern pulley II, and the laying and recovery device is connected to an outdoor cable trough frame of the drum machine and an outdoor cable trough frame of the cable machine.

10. The working method of the cable-laying ship submarine optical cable high-speed transmission device applicable to multiple working conditions according to claim 9, characterized in that: The drum turbine outdoor cable trough frame, the cable machine outdoor cable trough frame, the drum type cable laying machine assembly, and the linear type cable laying machine assembly are spliced; the width of the drum turbine outdoor cable trough frame is greater than the width of the cable machine outdoor cable trough frame.

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