Large-tonnage end shaft take-up and pay-off machine

Abstract

The invention discloses a large-tonnage end shaft take-up and pay-off machine, and relates to the technical field of submarine cable take-up and pay-off equipment.The large-tonnage end shaft take-up and pay-off machine comprises a bottom plate system, supporting systems are symmetrically arranged on the bottom plate system, lifting systems are arranged in the two supporting systems, take-up and pay-off systems are installed on the lifting systems, and a wire coil is arranged between the two supporting systems; a driving system is arranged between the bottoms of the two groups of supporting systems and the bottom plate system; the two ends of the wire coil are stably clamped all the time through the clamping base of the take-up and pay-off system, the wire coil is prevented from deviating due to centrifugal force generated by rotation, and the take-up and pay-off precision and quality of submarine cables are ensured. Meanwhile, stable supporting of the supporting system on the bottom plate system and continuous power output of the driving system provide a solid foundation for the whole take-up and pay-off process, so that the large-tonnage end shaft take-up and pay-off machine can efficiently and stably complete take-up and pay-off operation of 400-ton ultra-large-weight submarine cables.

Description

Technical Field

[0001] This invention relates to the field of submarine cable winding and unwinding equipment, specifically to a large-tonnage end-spool winding and unwinding machine. Background Technology

[0002] Submarine cables are critical infrastructure laid on the seabed for communication signal transmission or power delivery. Compared to terrestrial cables, submarine cables are laid directly on the seabed, eliminating the need for scaffolding or tunnel excavation. This offers significant advantages such as rapid construction, freedom from ground space and human activity interference, high stability, and protection from direct impacts from sea waves. However, these advantages also present unique engineering challenges, the most prominent being the immense weight of the cables themselves. For example, a typical large-diameter submarine cable with a diameter of 200mm can experience a load of up to 400 tons (approximately 400t) during its entire deployment and retrieval process. Such a massive load places extremely stringent requirements on the load-bearing capacity, structural rigidity, and operational stability of the deployment and retrieval equipment.

[0003] A typical cable winding and unwinding machine usually consists of a frame, a drive unit, and a spool for winding the submarine cable. Its basic working principle is that the drive unit (such as a motor) drives the spool shaft to rotate via a transmission system, thereby achieving the winding (rewinding) or unwinding (unwinding) of the submarine cable. Most existing cable winding and unwinding machines use a single-side drive or a central shaft drive design, with the spool supported on bearing seats on the frame via flanges at both ends. This structure can effectively complete the cable winding and unwinding tasks under light loads.

[0004] However, as marine resource development extends to the deep sea, the specifications and lengths of submarine cables are constantly increasing, and their retrieval and deployment weight has jumped to the hundreds of tons level. When the aforementioned conventional cable reeling and deployment machines are applied to the operation of such ultra-heavy submarine cables of 400 tons, their inherent structural defects are exposed. The most critical and dangerous problem is the structural tilting of the reel under heavy load: traditional bearing seats and frames are designed to withstand loads mainly composed of radial forces. However, under ultra-heavy tonnage conditions, the huge axial (thrust) and bending moment components generated by asymmetrical loads will far exceed the bearing capacity of traditional support systems. This not only causes elastic deformation of the support components themselves, but also leads to plastic deformation or fatigue damage in key connection parts (such as the fit between bearings and shafts, and frame welding points), exacerbating the tilting trend of the reel. To avoid tilting, operators have to significantly reduce the cable reeling and deployment speed and frequently stop the machine for manual cable alignment, which slows down the entire retrieval and deployment process, prolongs the construction period, and significantly increases costs. Summary of the Invention

[0005] The purpose of this invention is to provide a large-tonnage end-shaft cable winding and unwinding machine to solve the problems of slow winding and unwinding operations, extended construction period, and significantly increased costs in the existing technology for submarine cables.

[0006] The objective of this invention can be achieved through the following technical solutions: A large-tonnage end-shaft take-up and unwinding machine includes a base plate system, on which support systems are symmetrically arranged. Each of the two sets of support systems is equipped with a lifting system, and a take-up and unwinding system is installed on the lifting system. A wire reel is arranged between the two sets of support systems, and a drive system is arranged between the bottom of the two sets of support systems and the base plate system. The take-up and release system includes a lifting base that is slidably mounted on the support system. A top rod is rotatably mounted in the lifting base. A speed reducer is connected to the side of the top rod away from the spool. The input shaft of the speed reducer is connected to a take-up and release motor. A clamping base is sleeved on the side of the top rod near the spool. The drive system drives the support systems on both sides of the reel to move in opposite directions, and works in conjunction with the take-up and release system to clamp and rotate the reel to take up and release the submarine cable. The present invention provides a large-tonnage end-shaft take-up and unwinding machine, which, compared with the prior art, has the following beneficial effects, but is not limited to: In this invention, when dealing with ultra-heavy submarine cables weighing up to 400 tons, the drive systems on both sides of the base plate system are activated, causing the corresponding support systems to slide inward on the base plate system. This, combined with the clamping bases in the two-sided retrieval and deployment systems, achieves stable clamping of both ends of the cable reel. After clamping, the lifting system is activated to slowly raise the cable reel by a set distance. After raising, the retrieval and deployment system rotates the cable reel, thereby enabling the cable retrieval and deployment operations.

[0007] During operation, the drive system precisely controls the sliding speed and distance of the support system, ensuring that the clamping base accurately reaches the designated positions at both ends of the cable reel, providing a reliable guarantee for subsequent stable clamping. The lifting systems on both sides drive the lifting base upwards, thus raising the cable reel with a smooth and uniform upward characteristic, effectively preventing swaying or tilting of the reel during lifting, ensuring the safety and stability of the lifting process. After the take-up and release system is activated, the take-up and release motor transmits power stably to the top rod through the reducer. The top rod drives the clamping base to rotate, and the clamping base drives the cable reel to rotate at a uniform speed, achieving orderly take-up and release of the submarine cable, further preventing swaying of the reel due to disordered take-up and release. Furthermore, during the take-up and release process, by setting up corresponding take-up and release systems on both sides of the cable reel, combined with the support system, the axial load-bearing capacity is enhanced. This allows the entire equipment to not only withstand radial loads but also effectively resist axial impacts, ensuring the overall structural stability and reliability of the equipment during the take-up and release of 400-ton ultra-heavy submarine cables, reducing the possibility of failures caused by structural stress imbalances. Specifically, the clamping base of the cable reel always maintains a stable grip on both ends of the reel, preventing it from shifting due to centrifugal force generated by rotation, thus ensuring the accuracy and quality of cable reeling and deployment. Simultaneously, the stable support of the support system on the base plate system and the continuous power output of the drive system provide a solid foundation for the entire cable reeling and deployment process. This enables the large-tonnage end-shaft cable reeling and deployment machine to efficiently and stably complete the reeling and deployment of ultra-heavy 400-ton submarine cables, effectively solving the problems of slow cable reeling and deployment, extended construction periods, and significantly increased costs in existing technologies.

[0008] Furthermore, the drive system includes movable cylinders mounted on the base plate system, with multiple sets of movable cylinders symmetrically arranged about the support system on the corresponding side; the lifting system includes lifting cylinders, with multiple sets of lifting cylinders arranged; and the lifting base is connected to the lifting cylinders.

[0009] Furthermore, the clamping base has a disc-shaped structure, and the diameter of the clamping base is at least twice the diameter of the top rod. The outer axial surface of the clamping base is provided with multiple sets of snap-fit ​​grooves. The two ends of the coil are symmetrically provided with alignment holes. In each of the two sets of alignment holes, multiple sets of snap-fit ​​platforms are arranged around the circumference of the hole wall. The multiple sets of snap-fit ​​platforms are arranged in a one-to-one correspondence with the multiple sets of snap-fit ​​grooves.

[0010] Furthermore, an elastic element is provided in the snap-fit ​​groove of the clamping base, and the elastic element is connected to the side wall of the snap-fit ​​groove away from the coil.

[0011] Furthermore, the elastic element is an elastic washer, which includes an annular main body and a protruding boss. The boss is adapted to the snap-fit ​​groove, and the main body mates with the end face of the alignment hole of the coil.

[0012] Furthermore, the base plate system is a first base plate, and the support system is a support component one; The support assembly includes a support frame body slidably mounted on the first base plate. The support frame body has two symmetrical sliding frame bodies at its top ends. The two sliding frame bodies slide in cooperation with the lifting base. The lifting system is located inside the support frame body. The support frame body has multiple sets of lifting guide columns inside it. The lifting guide columns cooperate with the lifting base.

[0013] Furthermore, the base plate system is a second base plate, and the second base plate is provided in two sets; the support system is a second support component. The second support component includes a support base 1 that is slidably disposed with the second base plate. A support frame body 2 is disposed on the top of the support base 1. The lifting base is slidably disposed with the support frame body 2. The lifting system is disposed inside the support frame body 2. The horizontal cross-section of the support frame body 2 is triangular. Multiple sets of triangular support blocks are installed on the side ends of the support frame body 2.

[0014] Furthermore, the base plate system is a third base plate, and the third base plate is provided in two sets; the support system is a support component three. The support assembly three includes a support base two that is slidably disposed with the third base plate. The support base two has a support pedestal on the side near the coil. Multiple sets of diagonal tie rods one and two are disposed between the support pedestal and the support base two.

[0015] Furthermore, it also includes a lateral movement system disposed at the bottom of the base plate system, the lateral movement system driving the reel to move.

[0016] Furthermore, the traversing system includes a traversing track, the base plate system is slidably disposed in the traversing track, a traversing motor is mounted on the base plate system, the output shaft of the traversing motor is connected to a gear, and the gear meshes with a rack. Attached Figure Description

[0017] The invention will now be further described with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention; Figure 2 This is a front view structural diagram of Embodiment 1 of the present invention; Figure 3 This is a cross-sectional structural diagram of Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of the present invention; Figure 5 This is a side view structural diagram of Embodiment 2 of the present invention; Figure 6 This is a top view structural diagram of Embodiment 2 of the present invention; Figure 7 This is a cross-sectional structural diagram of Embodiment 2 of the present invention; Figure 8 This is a front view structural diagram of Embodiment 3 of the present invention; Figure 9 This is a side view structural diagram of embodiment three of the present invention; Figure 10 This is a top view structural diagram of Embodiment 3 of the present invention; Figure 11 This is a cross-sectional structural diagram of Embodiment 3 of the present invention; Figure 12 This is a schematic diagram of the launching and receiving system structure in this invention; Figure 13 This is a schematic diagram of the elastic washer structure in this invention.

[0019] In the diagram: 101, First base plate; 201, Second base plate; 301, Third base plate; 102, Moving cylinder; 103, Lifting cylinder; 104, Receiving / Discharging motor; 105, Reducer; 106, Lifting base; 107, Top rod; 108, Clamping base; 109, Elastic washer; 401, Support component one; 402, Support frame body one; 403, Sliding frame body; 404, Lifting guide column; 501, Support component two; 502, Support frame body two; 503, Support base one; 504, Triangular support block; 601, Support component three; 602, Support base two; 603, Support base; 604, Diagonal tie rod one; 605, Diagonal tie rod two; 701, Transverse track; 702, Transverse motor; 800, Wire reel. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings showing multiple embodiments according to this application. It should be understood that the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments described in this application without creative effort will fall within the scope of protection of this application.

[0021] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing specific embodiments only and is not intended to limit this application; the terms "comprising," "including," "having," "containing," etc., in the description, claims, and accompanying drawings of this application are open-ended terms. Therefore, "comprising," "including," or "having" refers to, for example, a method or apparatus having one or more steps or elements, but is not limited to having only these one or more elements. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0022] In the description of this invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not 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.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] It should be emphasized that when the term "comprising / including" is used in this specification, it is used to explicitly indicate the presence of the stated feature, integer, step, or component, but does not exclude the presence or addition of one or more other features, integers, steps, parts, or groups of features, integers, steps, or parts.

[0025] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0026] like Figure 1 , Figure 4 and Figure 11 As shown, the present invention provides a large-tonnage end-shaft take-up and unwinding machine, comprising a base plate system, on which support systems are symmetrically arranged, and each of the two sets of support systems is provided with a lifting system. A take-up and unwinding system is installed on the lifting system, and a wire reel 800 is provided between the two sets of support systems. A drive system is provided between the bottom of the two sets of support systems and the base plate system. The take-up and release system includes a lifting base 106 slidably disposed on the support system, a top rod 107 rotatably disposed in the lifting base 106, a reducer 105 connected to the side of the top rod 107 away from the spool 800, a take-up and release motor 104 connected to the input shaft of the reducer 105, and a clamping base 108 sleeved on the side of the top rod 107 close to the spool 800. The drive system drives the support systems on both sides of the reel 800 to move towards each other, and works in conjunction with the take-up and release system to clamp and rotate the reel 800 to take up and release the submarine cable.

[0027] In this invention, when dealing with a 400-ton ultra-heavy submarine cable, the drive systems on both sides of the base plate system are activated, causing the corresponding support systems to slide inward on the base plate system. This, combined with the clamping bases 108 in the two-sided winding and unwinding systems, achieves stable clamping of both ends of the cable reel 800. After clamping, the lifting system is activated to slowly raise the cable reel 800 by a set distance. After raising, the winding and unwinding system rotates the cable reel 800, thereby realizing the winding and unwinding operation of the submarine cable.

[0028] During operation, the drive system precisely controls the sliding speed and distance of the support system, ensuring that the clamping base 108 accurately reaches the designated positions at both ends of the cable reel 800, providing a reliable guarantee for subsequent stable clamping. The lifting systems on both sides drive the lifting base 106 to rise, thus raising the cable reel 800 with a smooth and uniform upward movement, effectively preventing the cable reel 800 from swaying or tilting during the lifting process, ensuring safety and stability. After the take-up and release system is activated, the take-up and release motor 104 transmits power stably to the top rod 107 through the reducer 105. The top rod 107 drives the clamping base 108 to rotate, which in turn drives the cable reel 800 to rotate at a uniform speed, achieving orderly take-up and release of the submarine cable, further preventing the cable reel 800 from swaying due to disordered take-up and release. Furthermore, during the cable winding and unwinding process, corresponding winding and unwinding systems are installed on both sides of the cable reel 800, combined with a support system to enhance the axial load-bearing capacity. This allows the entire equipment to not only withstand radial force loads but also effectively resist axial force impacts, ensuring the overall structural stability and reliability of the equipment during the winding and unwinding of 400-ton ultra-heavy submarine cables, and reducing the possibility of failures caused by structural stress imbalances. Specifically, the clamping base 108 of the winding and unwinding system always maintains a stable clamp on both ends of the cable reel 800, preventing the cable reel 800 from shifting due to centrifugal force generated by rotation, ensuring the accuracy and quality of cable winding and unwinding. At the same time, the stable support of the support system on the base plate system and the continuous power output of the drive system provide a solid foundation for the entire winding and unwinding process, enabling this large-tonnage end-shaft winding and unwinding machine to efficiently and stably complete the winding and unwinding of 400-ton ultra-heavy submarine cables, effectively solving the problems of slow winding and unwinding operations, extended construction periods, and significantly increased costs in existing technologies.

[0029] Preferably, the overall equipment of the present invention can be used for submarine cable laying on a ship hull or for submarine cable winding in a port. When used for submarine cable laying, the base plate system is fixed to the clamp of the working vessel hull to achieve stable winding and unwinding of the cable reel. When used in a port, the base plate system is fixed to the port ground or other installation base in the port.

[0030] Preferably, the reel 800 in this invention is an ultra-large structure used for winding large-diameter submarine cables with a diameter of approximately 200mm. The diameter is relatively large, about 11.4m. The reel 800 has a certain self-weight, and combined with the weight of the submarine cable, the entire reel 800 will reach approximately 400 tons when fully loaded. Figure 3 The cross-sectional view of the cable reel 800 shows that, in this embodiment, a set of annular partitions is also fitted on the winding shaft of the cable reel 800 for use in conjunction with other devices to wind up various types of submarine cables, adapting to more laying conditions. Of course, when the annular partitions are not needed, they can be removed to achieve single-mode cable winding.

[0031] The drive system includes a movable cylinder 102 mounted on the base plate system. Multiple sets of the movable cylinder 102 are symmetrically arranged about the support system on the corresponding side. The lifting system includes a lifting cylinder 103. Multiple sets of the lifting cylinder 103 are arranged, and the lifting base 106 is connected to the lifting cylinder 103.

[0032] This invention utilizes multiple sets of movable hydraulic cylinders 102 to drive a support system that slides stably on a base plate system. The layout of these cylinders is carefully designed to ensure uniform force distribution on the support system during sliding, preventing equipment damage or sliding difficulties caused by excessive localized force. Simultaneously, the movable hydraulic cylinders 102 employ a high-precision control system, capable of accurately controlling the sliding speed and position of the support system to meet the needs of line winding and unwinding under different working conditions. Furthermore, the drive system also features overload protection; it automatically stops sliding when encountering abnormal resistance, preventing equipment damage and ensuring operational safety. Alternatively, other stable drive components, such as a motor combined with a screw structure, can be used instead of the movable hydraulic cylinders 102.

[0033] Furthermore, the tail end of the aforementioned movable cylinder 102 and the front end of the telescopic rod are rotatably connected to the base plate system and the support system, respectively, to eliminate minor fluctuations in the movement of the support system and avoid affecting the internal operation of the movable cylinder 102.

[0034] like Figure 12 As shown, the clamping base 108 has a disc-shaped structure, and the diameter of the clamping base 108 is at least twice the diameter of the top rod 107. The outer axial surface of the clamping base 108 has multiple sets of snap-fit ​​grooves. The wire spool 800 has symmetrically opened alignment holes at both ends. In each of the two sets of alignment holes, multiple sets of snap-fit ​​platforms are arranged around the circumference of the hole wall. The multiple sets of snap-fit ​​platforms are arranged one-to-one with the multiple sets of snap-fit ​​grooves.

[0035] By enlarging the size of the alignment clamping structure (top rod 107 + clamping base 108), it can be more fully aligned when facing a large-size spool 800, thereby increasing the axial and radial support strength of the spool 800 and making the spool 800 rotation winding and unwinding process more stable.

[0036] Multiple sets of locking slots and locking platforms engage one-to-one, achieving a stable and reliable connection between the clamping base 108 and the cable reel 800, effectively preventing slippage or displacement of the cable reel 800 during rotation. This locking design not only enhances the bonding force between the cable reel 800 and the clamping base 108 but also improves the stability and safety of the entire cable winding and unwinding process. Simultaneously, the disc-shaped structure and large diameter of the clamping base 108 further disperse the centrifugal force generated during the rotation of the cable reel 800, enabling the equipment to maintain stable operation even when bearing a 400-ton ultra-heavy submarine cable. Furthermore, the design of the locking slots and locking platforms facilitates quick and accurate installation and removal of the cable reel 800 by workers, improving operational efficiency.

[0037] An elastic element is provided in the snap-fit ​​groove of the clamping base 108, and the elastic element is connected to the side wall of the snap-fit ​​groove away from the coil 800.

[0038] In this invention, the elastic element can be made of elastically deformable materials such as rubber. By setting the elastic element, the axial impact force during the alignment and clamping process is buffered. At the same time, the elastic properties of the elastic element eliminate the slight tolerances in the machining of the mating surface of the clamping platform, avoiding alignment deviations and causing uneven force on the support of the coil 800.

[0039] In actual operation, when the clamping base 108 and the wire reel 800 are aligned and engaged, the elastic element will first contact the engagement platform of the wire reel 800. Due to the elastic deformation characteristic of the elastic element, it can effectively absorb and buffer the axial impact force generated during the engagement process, preventing equipment damage or insecure engagement due to excessive impact force. Simultaneously, during manufacturing, there may be slight machining tolerances on the mating surfaces of the engagement platforms of the wire reel 800. If these tolerances are not properly addressed, they can lead to misalignment between the clamping base 108 and the wire reel 800, resulting in unbalanced force distribution across multiple engagement platforms when the wire reel 800 is supported, thus causing instability. The elastic element, through its elastic deformation, can eliminate these slight tolerances, ensuring accurate alignment between the clamping base 108 and the wire reel 800, and ensuring uniform force distribution on the wire reel 800 when supported, thereby guaranteeing the stability and safety of the entire wire winding and unwinding process.

[0040] like Figure 13 As shown, the elastic element is an elastic washer 109, which includes an annular main body and a protruding boss. The boss is adapted to the snap-fit ​​groove, and the main body is engaged with the end face of the alignment hole of the coil 800.

[0041] By integrating multiple sets of bosses with the annular main body, the alignment compensation area is increased, further improving the stability of alignment and clamping. On the other hand, the contact area between the coil 800 and the elastic element is increased. During actual alignment, the compressed elastic element can tightly contact the coil 800, forming static friction, which makes the take-up and unwinding system more stable during the rotation of the coil 800.

[0042] Specifically, the annular main body surrounds the protruding part. When the elastic washer 109 is installed into the locking groove, the protruding part precisely embeds into the locking groove, fitting tightly to it and ensuring that the elastic washer 109 does not wobble freely within the locking groove. The main body extends to the end face of the alignment hole of the cable reel 800, making large-area contact with the end face of the cable reel 800. When the cable reel 800 is driven to rotate by the winding system, the compressed elastic element tightly adheres to the end face of the cable reel 800, and the resulting static friction effectively prevents relative sliding between the cable reel 800 and the clamping base 108, further enhancing the stability of the cable reel 800 during rotation. This design reduces the likelihood of slippage or displacement of the cable reel 800 due to the enormous gravity and centrifugal force generated by rotation when dealing with the winding and winding operations of ultra-heavy submarine cables of 400 tons, thereby ensuring the smooth progress of the submarine cable winding and winding operations and improving the accuracy and quality of the operation. Meanwhile, the one-piece molding design simplifies the manufacturing process of the elastic washer 109, reduces production costs, improves production efficiency, and facilitates large-scale production and application.

[0043] In one embodiment of the present invention (Embodiment 1), as follows Figures 1-3 As shown, the base plate system is a first base plate 101, and slide rails are provided on both sides of the first base plate 101 corresponding to the positions of the support system. The support system is a support assembly 401, which includes a support frame body 402 slidably disposed on the first base plate 101. A slider is provided at the bottom of the support frame body 402, and the slider slides in cooperation with the slide rails. Sliding frame bodies 403 are symmetrically disposed at both ends of the top of the support frame body 402, and the two sliding frame bodies 403 slide in cooperation with the lifting base 106. The lifting system is disposed inside the support frame body 402, and multiple sets of lifting guide columns 404 are disposed inside the support frame body 402, which cooperate with the lifting base 106.

[0044] It should be noted that in this embodiment, the support frame body 402 is increased in axial dimension (i.e., in the direction of movement of the support system) to enhance axial load-bearing capacity, so as to better adapt to the huge axial force generated by the asymmetrical load during the deployment and retrieval of a 400-ton ultra-heavy submarine cable. At the same time, the design of multiple sets of lifting guide columns 404 cooperating with the lifting base 106 further enhances the stability and reliability of the lifting process.

[0045] In another embodiment of the present invention (Embodiment 2), as follows: Figures 4-7 As shown, the base plate system is a second base plate 201, which is provided with two sets. The support system is a second support component 501, which includes a first support base 503 that is slidably disposed with the second base plate 201. A second support frame body 502 is provided on the top of the first support base 503. The lifting base 106 is slidably disposed with the second support frame body 502. The lifting system is disposed inside the second support frame body 502. The second support frame body 502 has a triangular cross-section. Multiple sets of triangular support blocks 504 are installed on the side of the second support frame body 502.

[0046] In this embodiment, the support frame body 2 502 is designed with a horizontal cross-section of a triangle, based on the principle of stability inherent in triangles. When dealing with the deployment and retrieval of a 400-ton submarine cable, this structure can better withstand the enormous gravity and various external forces, effectively preventing deformation or swaying of the support frame body 2 502, thus ensuring the stability and safety of the entire cable deployment and retrieval process. Simultaneously, multiple sets of triangular support blocks 504 are installed on the sides of the support frame body 2 502, further enhancing its structural strength. These triangular support blocks 504 can distribute and transmit the forces borne by the support frame body 2 502, making the stress distribution more even and reducing the risk of damage due to excessive localized stress.

[0047] In another embodiment of the present invention (Embodiment 3), as follows: Figures 8-11 As shown, the base plate system is a third base plate 301, which is provided with two sets. The support system is a support component three 601, which includes a support base two 602 that is slidably disposed with the third base plate 301. A support base 603 is provided on the side of the support base two 602 near the coil 800. Multiple sets of diagonal tie rods one 604 and two diagonal tie rods two 605 are provided between the support base 603 and the support base two 602.

[0048] This embodiment enhances the connection strength between the support base 603 and the support base 602 by setting multiple sets of diagonal tie rods 604 and 605, so that the entire support assembly 601 can remain stable when subjected to huge tensile forces, effectively avoiding safety hazards caused by structural loosening.

[0049] like Figure 8 and Figure 9As shown, a large-tonnage end-shaft take-up and unwinding machine of the present invention further includes a transverse movement system disposed at the bottom of the base plate system. The transverse movement system includes a transverse movement track 701. The base plate system is slidably disposed in the transverse movement track 701, and a rack is installed on the side of the transverse movement track 701 perpendicular to the direction of movement. A transverse movement motor 702 is installed on the base plate system. The output shaft of the transverse movement motor 702 is connected to a gear, and the gear meshes with the rack.

[0050] This invention enables the entire device to move laterally by setting up a lateral movement system, thereby conveniently changing the cable winding and unwinding position.

[0051] In actual operation scenarios, when it is necessary to adjust the position of the submarine cable according to the construction requirements, the transverse motor 702 starts and drives the gear to rotate. The gear meshes with the rack fixed on the side of the transverse track 701, converting the rotational motion into the linear movement of the base plate system.

[0052] While the present invention has been disclosed above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the scope of protection of the present invention.

Claims

1. A large-tonnage end-shaft take-up and unwinding machine, characterized in that, The system includes a base plate system, on which support systems are symmetrically arranged. Each of the two sets of support systems is equipped with a lifting system. A retracting system is installed on the lifting system. A cable reel (800) is arranged between the two sets of support systems. A drive system is arranged between the bottom of the two sets of support systems and the base plate system. The take-up and release system includes a lifting base (106) slidably disposed on the support system, a top rod (107) rotatably disposed in the lifting base (106), a reducer (105) connected to the side of the top rod (107) away from the spool (800), a take-up and release motor (104) connected to the input shaft of the reducer (105), and a clamping base (108) sleeved on the side of the top rod (107) near the spool (800). The drive system drives the support systems on both sides of the reel (800) to move towards each other, and the winding and unwinding system clamps and rotates the reel (800) to wind up and unwind the submarine cable.

2. The large-tonnage end-shaft take-up and unwinding machine according to claim 1, characterized in that, The drive system includes a movable cylinder (102) mounted on the base plate system. Multiple sets of the movable cylinder (102) are symmetrically arranged about the support system on the corresponding side. The lifting system includes a lifting cylinder (103). Multiple sets of the lifting cylinder (103) are arranged. The lifting base (106) is connected to the lifting cylinder (103).

3. A large-tonnage end-shaft take-up and unwinding machine according to claim 2, characterized in that, The clamping base (108) has a disc-shaped structure. The diameter of the clamping base (108) is at least twice the diameter of the top rod (107). Multiple sets of snap-fit ​​grooves are opened on the outer axial surface of the clamping base (108). Alignment holes are symmetrically opened at both ends of the coil (800). Multiple sets of snap-fit ​​platforms are arranged around the circumference of the hole wall in both sets of alignment holes. The multiple sets of snap-fit ​​platforms are arranged one-to-one with the multiple sets of snap-fit ​​grooves.

4. A large-tonnage end-shaft take-up and unwinding machine according to claim 3, characterized in that, An elastic element is provided in the snap-fit ​​groove of the clamping base (108), and the elastic element is connected to the side wall of the snap-fit ​​groove away from the coil (800).

5. A large-tonnage end-shaft take-up and unwinding machine according to claim 4, characterized in that, The elastic element is an elastic washer (109), which includes an annular main body and a protruding boss. The boss is adapted to the snap-fit ​​groove, and the main body is engaged with the end face of the alignment hole of the coil (800).

6. A large-tonnage end-shaft take-up and unwinding machine according to claim 5, characterized in that, The base plate system is the first base plate (101), and the support system is the support component one (401). The first support assembly (401) includes a first support frame body (402) slidably disposed on the first base plate (101). The first support frame body (402) has two symmetrically arranged sliding frame bodies (403) at its top ends. The two sliding frame bodies (403) are slidably engaged with the lifting base (106). The lifting system is disposed inside the first support frame body (402). The first support frame body (402) has multiple sets of lifting guide columns (404) disposed inside it. The lifting guide columns (404) are engaged with the lifting base (106).

7. A large-tonnage end-shaft take-up and unwinding machine according to claim 5, characterized in that, The base plate system is a second base plate (201), and the second base plate (201) is provided with two sets. The support system is a second support component (501). The second support component (501) includes a first support base (503) that is slidably disposed with the second base plate (201). The first support base (503) has a second support frame body (502) on its top. The lifting base (106) is slidably disposed with the second support frame body (502). The lifting system is disposed inside the second support frame body (502). The second support frame body (502) has a triangular cross-section. Multiple sets of triangular support blocks (504) are installed on the side of the second support frame body (502).

8. A large-tonnage end-shaft take-up and unwinding machine according to claim 5, characterized in that, The base plate system is a third base plate (301), and the third base plate (301) is provided in two sets. The support system is a support component three (601). The support assembly three (601) includes a support base two (602) that is slidably disposed with the third base plate (301). The support base two (602) has a support base (603) on the side near the coil (800). Multiple sets of diagonal tie rods one (604) and two diagonal tie rods two (605) are disposed between the support base (603) and the support base two (602).

9. A large-tonnage end-shaft take-up and unwinding machine according to any one of claims 6-8, characterized in that, It also includes a transverse system located at the bottom of the base plate system, which drives the reel (800) to move.

10. A large-tonnage end-shaft take-up and unwinding machine according to claim 9, characterized in that, The traverse system includes a traverse track (701), and the base plate system is slidably disposed in the traverse track (701). A traverse motor (702) is mounted on the base plate system, and the output shaft of the traverse motor (702) is connected to a gear, which meshes with a rack.

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