Submarine cable automatic laying turntable device
By designing the automatic laying turntable device for submarine cables, using the spindle, rotary disk grille and drive components, the problem that existing equipment cannot lay multiple submarine cables at the same time is solved, and efficient and economical submarine cable laying is achieved.
Patent Information
- Application Number
- CN202420457406.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-11
AI Technical Summary
Due to the limitation of ship width, existing offshore wind farm cable laying equipment cannot lay multiple submarine cables at the same time, resulting in complex operations and high economic costs.
An automatic laying turntable device for submarine cables is designed, including a spindle, a rotating plate grille, a first and a second drive assembly, which can realize independent or synchronous laying of two cables on a ship.
It has realized the laying of two submarine cables on offshore ships at the same time, which has improved the laying efficiency and reduced the complexity of operations and economic costs.
Smart Images
Figure CN222508590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of submarine cable laying, in particular to a submarine cable automatic laying turntable device. Background Art
[0002] There are abundant offshore wind resources. In order to utilize this resource, more and more offshore wind farms are being built. Submarine cables are the transmission channels for electricity from offshore wind farms. The construction of submarine cables has high requirements for supporting equipment. At present, the laying equipment on the power ship for laying submarine cables can only lay one submarine cable at a time. Due to the limitation of the maximum width of the ship, if you want to lay more submarine cables, you need to repeat the operation or use two power ships. The operation is troublesome and the economic cost is relatively high. Utility Model Content
[0003] The utility model aims to provide a submarine cable automatic laying turntable device, which can realize the laying of two cables on a ship at sea and is used for the storage, transportation and laying of cables.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a turntable device for automatic laying of submarine cables, comprising a main shaft and a rotating disk grid, the rotating disk grid is sleeved on the main shaft, a top plate is arranged at the center of the rotating disk grid, the top plate is sleeved and fixed on the main shaft, a central turret is arranged above the top plate, the central turret is sleeved on the main shaft, a first driving assembly is fixed on the inner side of the rotating disk grid, and a second driving assembly is fixed on the outer side, a first rotating main deck is annularly arranged on the upper end of the first driving assembly, an annular inner wall is fixed on the inner side of the first rotating main deck, a first pillar middle wall is fixed on the outer side of the first rotating main deck, a second rotating main deck is annularly arranged on the second driving assembly, a second pillar middle wall is fixed on the inner side of the second rotating main deck, an annular outer wall is fixed on the outer side of the first rotating main deck, and a centering fixing assembly capable of reducing friction between the first rotating main deck and the second rotating main deck is arranged between the first rotating main deck and the second rotating main deck.
[0005] Furthermore, the rotating disk grille includes an annular radial arm and a radial arm. The annular radial arm is sleeved on the main shaft. Four circular rings are arranged on the periphery of the annular radial arm. The annular radial arm is fixedly connected to the innermost circular ring. The diameters of the circular rings increase successively. The four circular rings are fixedly connected by a plurality of radial arms. The density of the radial arms on the front and rear sides of the circular ring is denser than that on the left and right sides.
[0006] Furthermore, the first drive assembly and the second drive assembly each include a plurality of wheel assemblies, rails and drive chains, the wheel assemblies are evenly arranged in a ring on the circular ring, the rails are located at the upper ends of the wheel assemblies, the rails are annularly fixed below the first rotating main deck and the second rotating main deck and are opposite to the wheel assemblies, the outer side walls of the second and fourth rails are fixed with drive chains, and the outer side edges of the drive chains are fixed with power parts for driving the first rotating main deck and the second rotating main deck to rotate.
[0007] Furthermore, the wheel assembly includes a roller, a rotating shaft, and a steel bracket, wherein the steel bracket is fixed to the upper surface of the ring, the front and rear ends of the roller are fixed to the rotating shaft through a first bearing sleeve, and the front and rear ends of the rotating shaft are fixed to the steel bracket.
[0008] Furthermore, the power component includes a fixed seat, a drive motor and a speed changer, the fixed seat is respectively fixed on the outer side walls of the second and fourth circular rings, the drive motor is fixed on the fixed seat, the output end of the drive motor is connected to the speed changer, and the output end of the speed changer is fixedly connected to a sprocket meshing with the drive chain.
[0009] Furthermore, an offshore support is fixed between adjacent wheel assemblies, and legs are fixedly provided at both left and right ends of the offshore support, and a groove platform is provided before the legs.
[0010] Furthermore, the central turret includes a main bearing and a pin, and the front end of the first rotating main deck is fixed to the main bearing through the pin.
[0011] Furthermore, the centering fixing assembly includes a plurality of fixed wheels and a plurality of fixed frames, the fixed frames are annularly fixed on the inner side wall of the second rotating main deck, circular shafts are fixed on both left and right ends of the fixed frames, the fixed wheels are rotatably fixed on the circular shafts via second bearings, and a rolling track for the fixed wheels to roll is provided on the outer side wall of the first rotating main deck.
[0012] Furthermore, the first pillar middle wall and the second pillar middle wall each include a plurality of vertical pillars, and the vertical pillars are both arranged in a ring shape on the first rotating main deck and the second rotating main deck, and adjacent vertical pillars are longitudinally fixed with a plurality of transverse pillars.
[0013] Beneficial effects of the utility model: the external conveyor belts of the first drive assembly and the second drive assembly in the utility model can work independently to realize the split operation mode, realize the operation of a single cable, or the different operations of two cables, and at the same time, the first drive assembly and the second drive assembly can also drive the first rotating main deck and the second rotating main deck to rotate in a synchronous mode to realize the connected mode operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the device of the utility model;
[0015] Figure 2 It is a top view of the device of the utility model;
[0016] Figure 3 for Figure 2 The enlarged view of A in FIG.
[0017] Figure 4 It is a top view of the rotating disc grille in the device of the utility model;
[0018] Figure 5 It is a cross-sectional view of the front view of the device of the utility model;
[0019] Figure 6 for Figure 5 The enlarged view of point B in FIG.
[0020] Figure 7 for Figure 5 The enlarged view of point C in FIG.
[0021] Figure 8 is a schematic structural diagram of a first drive assembly;
[0022] Fig. 9 is a schematic diagram of the structure of a wheel assembly;
[0023] Fig.10 It is a schematic diagram of the structure of the wheel assembly and the rail;
[0024] Fig.11 It is a partial schematic diagram showing that the drive chain is located below the second rotating main deck.
[0025] Wherein: 1. main shaft, 2. first rotating main deck, 3. second rotating main deck, 4. rotating disc grille, 41. annular radial arm, 42. radial arm, 43. circular ring, 5. first driving assembly, 51. driving chain, 52. wheel assembly, 521. roller, 522. rotating shaft, 523. steel bracket, 53. power part, 531. fixing seat, 532. driving motor, 533. speed changer, 534. sprocket, 54. rail, 6. second driving assembly, 7. central turret, 71. main bearing, 72. pin, 8. centering fixing assembly, 81. fixing wheel, 82. fixing frame, 83. circular shaft, 84. rolling track, 9. annular inner wall, 10. middle wall of first pillar, 101. vertical pillar, 102. horizontal pillar, 11. middle wall of second pillar, 12. annular outer wall, 13. offshore bracket, 14. supporting foot, 15. groove platform. DETAILED DESCRIPTION
[0026] The present invention is further described below in conjunction with the accompanying drawings. For better understanding, the orientation of the present invention is described according to the orientation shown in the accompanying drawings and cannot be understood as a limitation of the present application; the following terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0027] See also Figures 1 to 11The utility model provides an embodiment: a submarine cable automatic laying turntable device, comprising a main shaft 1 and a rotating disk grid 4, the main shaft 1 is sleeved with the rotating disk grid 4, a top plate is arranged at the center of the rotating disk grid 4, the top plate is sleeved and fixed on the main shaft 1, a central turret 7 is arranged above the top plate, the central turret 7 is sleeved on the main shaft 1, a first driving assembly 5 is fixed on the inner side of the rotating disk grid 4, and a second driving assembly 6 is fixed on the outer side, a first rotating main deck 2 is annularly arranged on the upper end of the first driving assembly 5, an annular inner wall 9 is fixed on the inner side of the first rotating main deck 2, a first pillar middle wall 10 is fixed on the outer side of the first rotating main deck 2, a second rotating main deck 3 is annularly arranged on the second driving assembly 6, a second pillar middle wall 11 is fixed on the inner side of the second rotating main deck 3, an annular outer wall 12 is fixed on the outer side of the first rotating main deck 2, and a centering fixing assembly 8 capable of reducing friction between the first rotating main deck 2 and the second rotating main deck 3 is arranged between the first rotating main deck 2 and the second rotating main deck 3. The main shaft 1 is the main structure that carries all horizontal loads on the conveyor belt. The load comes from the movement of any ship, environmental factors and internal reactions. The diameter of the main shaft 1 is about 1300mm and the height is 2.0m. The top is precisely machined to achieve the size required by the main center bearing. The first rotating main deck 2 and the second rotating main deck 3 can operate independently without affecting each other. The first rotating main deck 2 and the second rotating main deck 3 are both provided with 15. The first drive assembly 5 and the second drive assembly 6 can respectively drive the first rotating main deck 2 and the second rotating main deck 3 to rotate, so that the first rotating main deck 2 and the second rotating main deck 3 can operate separately or synchronously. The rotation of the first rotating main deck 2 and the second rotating main deck 3 makes the inherent rotating annular torsion of the submarine cable during the laying or storage process untwist. The centering fixing assembly 8 can reduce the friction between the first rotating main deck 2 and the second rotating main deck 3 during the rotation process. The annular inner wall 9 and the first pillar middle wall 10 can limit the cable of the first rotating main deck 2 to reduce the possibility of the cable running out. The second pillar middle wall 11 and the second rotating main deck 3 limit the cable.
[0028] Please continue reading Figure 4As shown, in one embodiment of the utility model, the rotating disk grille 4 includes an annular radial arm 41 and a radial arm 42, the radial arm is sleeved on the main shaft 1, four circular rings 43 are arranged on the periphery of the annular radial arm 41, the annular radial arm 41 is fixedly connected to the innermost circular ring 43, the diameters of the circular rings 43 increase successively, the four circular rings 43 are fixedly connected by a plurality of the radial arms 42, and the density of the radial arms 42 arranged on the front and rear sides of the circular ring 43 is denser than that on the left and right sides. The rotating disk grille 4 is mainly composed of an annular radial arm 41, a radial arm 42 and four circular rings 43. The circular ring 43 is a supporting structure for the wheel and the connecting ring 43 and the radial arm. There are 24 annular radial arms 41, and the number of radial arms 42 is the same as that of the annular radial arms 41. Due to the difference in the horizontal component of the container acceleration, the annular radial arms 41 and the radial arms 42 are not evenly arranged around the main axis 1. More arms are installed on the front and rear sides to provide more resistance in the direction of highest acceleration (lateral direction). The radial arm can be designed as a T-shaped section to resist bending resistance.
[0029] Please continue reading Figure 4 , Figure 8 , Fig. 9 and Fig.10 As shown, in one embodiment of the utility model, the first drive assembly 5 and the second drive assembly 6 each include a plurality of wheel assemblies 52, rails 54 and drive chains 51, the wheel assemblies 52 are evenly arranged in an annular pattern on the ring 43, the rails 54 are located at the upper end of the wheel assemblies 52, the rails 54 are annularly fixed below the first rotating main deck 2 and the second rotating main deck 3 and are opposite to the wheel assemblies 52, the outer side walls of the second and fourth rails 54 are fixed with drive chains 51, and the outer side edges of the drive chains 51 are fixed with power members 53 for driving the first rotating main deck 2 and the second rotating main deck 3 to rotate. The power member 53 drives the drive chain 51 to rotate, and the drive chain 51 is fixed on the side of the rails 54, driving the rails 54 to rotate, thereby driving the first rotating main deck 2 and the second rotating main deck 3 to rotate.
[0030] Please continue reading Figures 8 to 10As shown, in one embodiment of the utility model, the wheel assembly 52 includes a roller 521, a rotating shaft 522, and a steel bracket 523. The steel bracket 523 is fixed on the upper surface of the ring 43. The front and rear ends of the roller 521 are fixed on the rotating shaft 522 through a first bearing sleeve, and the front and rear ends of the rotating shaft 522 are fixed on the steel bracket 523. The wheel assembly 52 is one of the key components of the structure of the utility model. It surrounds the main shaft 1 and is arranged in a circle on the ring 43. The steel bracket 523 supports the roller 521 and fixes it to the ring 43. After the roller 521 is installed, it needs to be adjusted on site. Bolts are used for fastening. The height of the roller 521 can be aligned and adjusted by gaskets. The roller 521 is located below the rail 54, which can reduce the friction resistance of the rail 54 when the power member 53 drives the drive chain 51 to rotate.
[0031] Please continue reading Figure 8 As shown, in one embodiment of the utility model, the power member 53 includes a fixed seat 531, a driving motor 532 and a speed changer 533, the fixed seat 531 is respectively fixed on the outer side walls of the second and fourth rings 43, the driving motor 532 is fixed on the fixed seat 531, the output end of the driving motor 532 is connected to the speed changer 533, and the output end of the speed changer 533 is fixedly connected to a sprocket 534 meshing with the drive chain 51.
[0032] Please continue reading Figure 5 As shown, in one embodiment of the utility model, an offshore support 13 is fixed between adjacent wheel assemblies 52, and legs 14 are fixedly provided at both left and right ends of the offshore support 13, and a groove platform 15 is provided in front of the legs 14. Before the ship encounters adverse weather conditions or enters offshore waters, a portable hydraulic cylinder is used, the portable hydraulic cylinder is placed on the groove platform 15, and a system with a pressure limiting valve is used to lift the wheel rail so that a set of gaskets can be inserted between the wheel rail and the offshore support.
[0033] Please continue reading Figures 9 and 10 As shown, in one embodiment of the utility model, the central turret 7 includes a main bearing 71 and a pin 72, and the front end of the first rotating main deck 2 is fixed to the main bearing 71 through the pin 72. The central turret is the central part, which accommodates the main bearing 71 and connects the first rotating main deck 2 to the main shaft 1. The main bearing 71 is installed on the main shaft 1 with a loose fit, allowing the bearing to move up and down to prevent any unnecessary load from deflection (generated by containers or conveyor belts) or misalignment.
[0034] Please continue to refer to the figure Figures 2 to 3As shown, in one embodiment of the utility model, the centering fixing assembly 8 includes a plurality of fixed wheels 81 and a plurality of fixed frames 82, the fixed frames 82 are annularly fixed on the inner side wall of the second rotating main deck 3, the left and right ends of the fixed frames 82 are fixed with a circular shaft 83, the fixed wheels 81 are rotatably fixed on the circular shaft 83 through a second bearing, and a rolling track 84 for the fixed wheels 81 to roll is provided on the outer side wall of the first rotating main deck 2. An additional rolling track 84 is installed on the outer side wall of the first rotating main deck 2 to create a rolling surface for the fixed wheels 81 of the outer turntable, and the outer second rotating main deck 3 is equipped with rolling fixed wheels 81, which are arranged in a circle around the center of rotation. In order to achieve perfect contact with the retaining rail installed on the outer diameter of the internal carousel.
[0035] Please continue reading Figure 1 , Figure 5 As shown, in one embodiment of the utility model, the first pillar middle wall 10 and the second pillar middle wall 11 each include a plurality of vertical pillars 101, the vertical pillars 101 are annularly arranged on the first rotating main deck 2 and the second rotating main deck 3, and a plurality of horizontal pillars 102 are longitudinally fixed to adjacent vertical pillars 101. Each first rotating main deck 2 and the second rotating main deck 3 is provided with two fixing ports on the board surface, and the first middle pillar wall and the second pillar wall can be inserted and fixed.
[0036] The utility model has the following working principle: in the utility model, the driving motors of the first driving assembly and the second driving assembly drive the sprocket to rotate, thereby driving the driving wheel to rotate, thereby driving the first rotating main deck and the second rotating main deck to rotate, the roller can reduce the friction force of the first rotating main deck and the second rotating main deck during rotation, and the first rotating main deck and the second rotating main deck can operate independently or synchronously, and the rotation of the first rotating main deck and the second rotating main deck allows the inherent rotating annular torque of the submarine cable to be detwisted during the laying or storage process.
[0037] The above description is only a preferred embodiment of the present utility model and cannot be understood as a limitation of the present application. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the present utility model.
Claims
1. A turntable device for automatic laying of submarine cables, characterized in that: It includes a main shaft and a rotating disk grille, the main shaft is sleeved with the rotating disk grille, a top plate is arranged at the center of the rotating disk grille, the top plate is sleeved and fixed on the main shaft, a central turret is arranged above the top plate, the central turret is sleeved on the main shaft, a first driving assembly is fixed on the inner side of the rotating disk grille, and a second driving assembly is fixed on the outer side, a first rotating main deck is annularly arranged on the upper end of the first driving assembly, an annular inner wall is fixed on the inner side of the first rotating main deck, a first pillar middle wall is fixed on the outer side of the first rotating main deck, a second rotating main deck is annularly arranged on the second driving assembly, a second pillar middle wall is fixed on the inner side of the second rotating main deck, an annular outer wall is fixed on the outer side of the first rotating main deck, and a centering fixing assembly capable of reducing friction between the first rotating main deck and the second rotating main deck is arranged between the first rotating main deck and the second rotating main deck.
2. The automatic submarine cable laying turntable device according to claim 1, characterized in that: The rotating disk grille includes an annular radial arm and a radial arm. The annular radial arm is sleeved on the main shaft. Four circular rings are arranged on the periphery of the annular radial arm. The annular radial arm is fixedly connected to the innermost circular ring. The diameters of the circular rings increase successively. The four circular rings are fixedly connected by a plurality of radial arms. The density of the radial arms on the front and rear sides of the circular ring is denser than that on the left and right sides.
3. The automatic submarine cable laying turntable device according to claim 2, characterized in that: The first drive assembly and the second drive assembly each include a plurality of wheel assemblies, rails and drive chains, the wheel assemblies are evenly arranged in a ring on the circular ring, the rails are located at the upper ends of the wheel assemblies, the rails are annularly fixed below the first rotating main deck and the second rotating main deck and are opposite to the wheel assemblies, the outer side walls of the second and fourth rails are fixed with drive chains, and the outer side edges of the drive chains are fixed with power parts for driving the first rotating main deck and the second rotating main deck to rotate.
4. The automatic submarine cable laying turntable device according to claim 3, characterized in that: The wheel assembly includes a roller, a rotating shaft, and a steel bracket. The steel bracket is fixed to the upper surface of the ring. The front and rear ends of the roller are fixed to the rotating shaft through a first bearing sleeve, and the front and rear ends of the rotating shaft are fixed to the steel bracket.
5. The automatic submarine cable laying turntable device according to claim 3, characterized in that: The power component includes a fixed seat, a driving motor and a speed changer. The fixed seat is respectively fixed on the outer side walls of the second and fourth circular rings. The driving motor is fixed on the fixed seat. The output end of the driving motor is connected to the speed changer. The output end of the speed changer is fixedly connected to a sprocket meshing with the drive chain.
6. The automatic submarine cable laying turntable device according to claim 3, characterized in that: An offshore support is fixed between adjacent wheel assemblies, and legs are fixedly arranged at both left and right ends of the offshore support, and a groove platform is arranged in front of the legs.
7. The automatic submarine cable laying turntable device according to claim 1, characterized in that: The central turret comprises a main bearing and a pin, and the front end of the first rotating main deck is fixed to the main bearing through the pin.
8. The automatic submarine cable laying turntable device according to claim 1, characterized in that: The centering and fixing assembly includes a plurality of fixed wheels and a plurality of fixed frames, wherein the fixed frames are annularly fixed on the inner side wall of the second rotating main deck, and circular shafts are fixed on both left and right ends of the fixed frames, and the fixed wheels are rotatably fixed on the circular shafts via second bearings, and a rolling track for the fixed wheels to roll is arranged on the outer side wall of the first rotating main deck.
9. The automatic submarine cable laying turntable device according to claim 1, characterized in that: The first pillar middle wall and the second pillar middle wall each include a plurality of vertical pillars, and the vertical pillars are both annularly arranged on the first rotating main deck and the second rotating main deck, and a plurality of transverse pillars are longitudinally fixed to adjacent vertical pillars.