A synchronous disc winding device for low-voltage power cable production

Abstract

This invention relates to the field of low-voltage power cable winding technology, specifically a synchronous winding device for low-voltage power cable production. The device includes a winding body, a cable conveying assembly, and a tension control assembly. A sensing assembly monitors the tension of the wire cores in real time, and a linkage hydraulic rod drives multiple sets of wheel axles for synchronous radial feeding. The tension can be dynamically adjusted according to the real-time change in the coil diameter, replacing the traditional passive damping tension structure. This effectively eliminates the tension differences among the wire cores during winding, preventing loose and twisted cable structures and substandard roundness. Simultaneously, it prevents excessive stretching and deformation of the wire cores, which could damage the insulation layer, thus ensuring the electrical performance and mechanical strength stability of the finished cable.

Description

Technical Field

[0001] This invention relates to the field of low-voltage power cable winding technology, specifically to a synchronous winding device for low-voltage power cable production. Background Technology

[0002] As is well known, low-voltage power cables are the core power transmission carriers in urban and rural power distribution networks, building electromechanical systems, and industrial production power supply scenarios. They are responsible for the stable distribution of power under low-voltage conditions. The roundness of the cable structure, the consistency of the core tension, and the accuracy of the stranding pitch directly determine the electrical insulation performance, mechanical tensile strength, and service life of the finished cable.

[0003] Traditional stranding equipment often uses a passive damping friction structure for tension adjustment, which cannot dynamically adjust the tension according to the real-time changes in the coil diameter. During the stranding process, the tension difference between the cores continues to widen, which can easily lead to uneven core tension and loose and twisted cable structure. This results in the finished cable not meeting the roundness standard, and in severe cases, it can cause excessive stretching and deformation of the cores, directly damaging the insulation layer structure and affecting the electrical safety performance and long-term service stability of the cable.

[0004] Most devices have a fixed layout for the core guide wheel assembly, which cannot flexibly adjust the guide support span and wrap angle according to the core cross-section specifications and stranding pitch parameters. This results in limited adaptability to working conditions. Furthermore, the guide support structure lacks an elastic buffer design, and the equipment vibration generated during high-speed winding is directly transmitted to the core, causing frequent tension fluctuations and further aggravating the stranding pitch deviation, making it difficult to ensure the consistency of cable quality. Summary of the Invention

[0005] In order to overcome the problems of existing synchronous winding devices for low-voltage power cable production, the present invention provides an effective synchronous winding device for low-voltage power cable production.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a synchronous winding device for low-voltage power cable production, comprising: The main body of the winch; A cable delivery assembly, which is mounted on the side of the coil body; The tension control component is mounted on the coiled body and includes a sensing component mounted on the coiled body. A mounting ring is fixedly provided on the side of the coiled body. The mounting ring has multiple mounting slots. A mounting frame is slidably arranged in the mounting slots. A wheel axle is rotatably arranged on the mounting frame. A drive component is mounted on the side of the mounting frame.

[0007] Preferably, the mounting ring has a first sliding groove that communicates with the mounting groove. A first connecting block is fixedly provided at the bottom of the mounting frame. A first rotating rod is rotatably provided at the bottom of the first connecting block. A second connecting block is fixedly provided at the bottom of the first sliding groove. A second rotating rod is rotatably provided on the second connecting block. A movable frame is rotatably provided between the first rotating rod and the second rotating rod on the same axis.

[0008] Furthermore, the drive assembly includes a sliding rod, one end of which is fixedly mounted to the movable frame, and the other end of which passes through the mounting ring. A connecting circular plate is fixedly mounted between the other ends of the sliding rod. Bottom grooves are formed on both sides of the mounting ring, and a hydraulic rod is fixedly mounted in the bottom groove. The top of the hydraulic rod is connected to the bottom of the connecting circular plate through a flange.

[0009] Furthermore, the sensing component includes a fixed circular plate, which is fixedly disposed on the side of the coil body. The fixed circular plate is located on the side of the mounting ring. The fixed circular plate has semi-circular grooves with the same number as the mounting grooves. The side of the fixed circular plate has multiple vertical grooves. A vertical rod is rotatably disposed in the vertical groove. A semi-circular frame that matches the semi-circular groove is fixedly disposed between the tops of the vertical rods. A disassembly plate is fixedly disposed on the side of the semi-circular frame. The disassembly plate is connected to the fixed circular plate by screws.

[0010] In a further embodiment, the fixed circular plate is provided with a second sliding groove having the same number as the semicircular groove. The second sliding groove communicates with the semicircular groove. An adjusting block is slidably disposed in the second sliding groove. A support block is fixedly disposed on the top of the adjusting block. A wear-resistant plate is fixedly disposed on the top of the support block.

[0011] Based on the aforementioned scheme, a sliding column is fixedly provided at the bottom of the adjusting block. The sliding column is slidably disposed with the fixed circular plate. A first spring is sleeved on the sliding column. One end of the first spring is fixedly disposed with the bottom of the second sliding groove, and the other end of the first spring is fixedly disposed with the bottom of the adjusting block.

[0012] Furthermore, based on the aforementioned scheme, the height of the support blocks decreases sequentially and is inclined, and a sensor is installed on the side of the fixed circular plate, which is electrically connected to the hydraulic rod.

[0013] Furthermore, based on the aforementioned scheme, the cable conveying assembly includes a fixing frame, which is placed on the side of the coil body. A sliding frame is fixedly installed on the fixing frame, and a sliding plate is slidably installed inside the sliding frame. A pusher is fixedly installed on the top of the sliding plate, and a support plate is fixedly installed on the bottom of the pusher. A cable rack is slidably installed on the support plate.

[0014] Furthermore, based on the aforementioned solution, a square groove is provided on the side of the skateboard, a baffle is slidably disposed in the square groove, vertical columns are fixedly disposed on both sides of the bottom of the baffle, a baffle is fixedly disposed on the bottom of the skateboard, the baffle is slidably disposed with the vertical columns, a second spring is sleeved on the vertical columns, one end of the second spring is fixedly disposed with the baffle, and the other end of the second spring is fixedly disposed with the bottom of the baffle.

[0015] Furthermore, based on the aforementioned scheme, a support rod is fixedly provided on the side of the coil body, and a fixed shaft is slidably provided on the support rod. The fixed shaft is adapted to the cable rack. A fixed seat is fixedly provided on the side of the coil body, and the fixed seat is slidably provided with the fixed shaft. Pins can be detachably provided at both ends of the fixed shaft.

[0016] This synchronous winding device is used in the production of low-voltage power cables. 1. The sensing component monitors the tension of the wire core in real time, and the linkage hydraulic rod drives multiple sets of wheel shafts to feed radially synchronously. The tension can be dynamically adjusted in real time according to the diameter of the wire reel, replacing the traditional passive damping tension structure. It can effectively eliminate the difference in tightness of each wire core during stranding, avoid the loose and twisted cable structure and the failure to meet the roundness standard, and at the same time prevent the wire core from being overstretched and deformed, damaging the insulation layer, and ensuring the electrical performance and mechanical strength stability of the finished cable.

[0017] 2. A single hydraulic drive synchronously moves all core guide brackets forward and backward through a linkage transmission mechanism. The tension adjustment of each core remains highly synchronized, with no single core deviation. This ensures uniform force distribution when multiple cores are stranded, effectively improving the control accuracy of the stranding pitch. This results in a tighter and more rounded cable structure, adapting to the tension parameter adjustment requirements of cores with different cross-sectional specifications, and achieving stronger consistency in cable quality.

[0018] 3. A spring floating buffer structure is set at the conductor guide support, which can absorb the equipment vibration and tension impact generated during high-speed winding. It can weaken the direct transmission of vibration to the conductor, reduce the instantaneous tension fluctuation during the winding process, reduce pitch deviation and conductor shaking problems, and maintain stable winding quality under high-speed winding conditions, which is suitable for the needs of high-efficiency large-scale cable production.

[0019] 4. The guide semi-circular frame can be flipped open, which facilitates the quick threading and arrangement of multiple wire cores without the need for threading and debugging one by one. It makes the operation more convenient when changing wire reels or switching product specifications, effectively shortening the preparation time for production changeover and improving the operating efficiency of the equipment. At the same time, the guide wear parts can be disassembled and replaced separately, resulting in lower daily maintenance costs and simpler operation.

[0020] 5. Equipped with a movable cable tray conveyor structure, and with a pull-out fixed shaft for quick locking and positioning, the cable reel can be accurately aligned and clamped without heavy lifting assistance. This effectively reduces the labor intensity of changing large diameter cable reels, making the reel changing operation efficient and safe. It can adapt to the material changing needs of large-volume continuous production of low-voltage cables, and the overall material loading and positioning accuracy is higher. Attached Figure Description

[0021] Figure 1 This is a side view of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the sensing component of the present invention; Figure 3 This is a schematic diagram of the sensor structure of the present invention; Figure 4 This is a schematic diagram of the structure of the adjusting block of the present invention; Figure 5 This is a schematic diagram of the wear-resistant plate of the present invention; Figure 6 This is a schematic diagram of the mounting ring structure of the present invention; Figure 7 This is a schematic diagram of the hydraulic rod of the present invention; Figure 8 This is a schematic diagram of the structure of the driving component of the present invention; Figure 9 This is a schematic diagram of the cable delivery assembly of the present invention; Figure 10 This is a schematic diagram of the structure of the skateboard of the present invention; Figure 11 This is a schematic diagram of the cable frame structure of the present invention; Figure 12 This is a schematic diagram of the pusher frame of the present invention.

[0022] In the diagram: 1. Cable winding body; 2. Cable conveying assembly; 3. Tension control assembly; 4. Sensing assembly; 5. Mounting ring; 6. Mounting groove; 7. Mounting frame; 8. Axle; 9. Drive assembly; 10. First chute; 11. First connecting block; 12. First rotating rod; 13. Second connecting block; 14. Second rotating rod; 15. Moving frame; 16. Sliding rod; 17. Connecting circular plate; 18. Bottom groove; 19. Hydraulic rod; 20. Fixed circular plate; 21. Semicircular groove; 22. Vertical groove; 23. 24. Vertical rod; 25. Semicircular frame; 26. Disassembly plate; 27. Second slide rail; 28. Adjusting block; 29. ​​Support block; 30. Wear-resistant plate; 31. Sliding column; 32. First spring; 33. Sensor; 34. Fixing frame; 35. Sliding frame; 36. Slide plate; 37. Push frame; 38. Support plate; 39. Cable rack; 40. Square channel; 41. Baffle; 42. Vertical column; 43. Baffle; 44. Second spring; 45. Support rod; 46. Fixing shaft; 47. Fixing seat; 48. Pin. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. The drive sources such as motors or electric motors involved in the present invention are all designed with corresponding operating procedures, which will not be described in detail here.

[0024] See Figures 1-12 A synchronous winding device for low-voltage power cable production includes a cable conveying assembly 2 mounted on the side of a winding body 1, a tension control assembly 3 mounted on the winding body 1, the tension control assembly 3 including a sensing assembly 4 mounted on the winding body 1, a mounting ring 5 fixedly mounted on the side of the winding body 1, multiple mounting grooves 6 formed on the mounting ring 5, a mounting frame 7 slidably mounted inside the mounting grooves 6, a wheel axle 8 rotatably mounted on the mounting frame 7, a drive assembly 9 mounted on the side of the mounting frame 7, a first sliding groove 10 formed on the mounting ring 5, the first sliding groove 10 communicating with the mounting grooves 6, and a first connecting block 11 fixedly mounted at the bottom of the mounting frame 7. A first rotating rod 12 is rotatably mounted on the bottom of the first slide groove 10. A second connecting block 13 is fixedly mounted on the bottom of the first slide groove 10. A second rotating rod 14 is rotatably mounted on the second connecting block 13. A movable frame 15 is rotatably mounted coaxially between the first rotating rod 12 and the second rotating rod 14. The drive assembly 9 includes a sliding rod 16. One end of the sliding rod 16 is fixedly mounted to the movable frame 15. The other end of the sliding rod 16 passes through the mounting ring 5. A connecting circular plate 17 is fixedly mounted between the other ends of multiple sliding rods 16. Bottom grooves 18 are opened on both sides of the mounting ring 5. A hydraulic rod 19 is fixedly mounted inside the bottom groove 18. The top of the hydraulic rod 19 is connected to the bottom of the connecting circular plate 17 through a flange.

[0025] The sensing component 4 includes a fixed circular plate 20, which is fixedly mounted on the side of the winch body 1. The fixed circular plate 20 is located on the side of the mounting ring 5. The fixed circular plate 20 has semi-circular grooves 21 with the same number as the mounting grooves 6. The side of the fixed circular plate 20 has multiple vertical grooves 22. Vertical rods 23 are rotatably mounted inside the vertical grooves 22. Semi-circular frames 24 that are adapted to the semi-circular grooves 21 are fixedly mounted between the tops of the multiple vertical rods 23. A disassembly plate 25 is fixedly mounted on the side of the semi-circular frame 24. The disassembly plate 25 is connected to the fixed circular plate 20 by screws. The fixed circular plate 20 has second sliding grooves 26 with the same number as the semi-circular grooves 21. The second sliding grooves 26 are connected to the semi-circular grooves 21. 21 are interconnected. An adjusting block 27 is slidably arranged inside the second slide 26. A support block 28 is fixedly arranged on the top of the adjusting block 27. A wear-resistant plate 29 is fixedly arranged on the top of the support block 28. A sliding column 30 is fixedly arranged at the bottom of the adjusting block 27. The sliding column 30 is slidably arranged with the fixed circular plate 20. A first spring 31 is sleeved on the sliding column 30. One end of the first spring 31 is fixedly arranged with the bottom of the second slide 26. The other end of the first spring 31 is fixedly arranged with the bottom of the adjusting block 27. The height of multiple sets of support blocks 28 decreases sequentially and is arranged at an angle. A sensor 32 is installed on the side of the fixed circular plate 20. The sensor 32 is electrically connected to the hydraulic rod 19.

[0026] The cable conveying assembly 2 includes a fixing frame 33, which is placed on the side of the coil body 1. A sliding frame 34 is fixedly mounted on the fixing frame 33, and a sliding plate 35 is slidably mounted inside the sliding frame 34. A pusher 36 is fixedly mounted on the top of the sliding plate 35, and a support plate 37 is fixedly mounted on the bottom of the pusher 36. A cable rack 38 is slidably mounted on the support plate 37. A square groove 39 is opened on the side of the sliding plate 35, and a baffle 40 is slidably mounted inside the square groove 39. Vertical columns 41 are fixedly mounted on both sides of the bottom of the baffle 40, and a stop is fixedly mounted on the bottom of the sliding plate 35. 42. The baffle 42 is slidably set with the vertical column 41. A second spring 43 is sleeved on the vertical column 41. One end of the second spring 43 is fixedly set with the baffle 42, and the other end of the second spring 43 is fixedly set with the bottom of the baffle 40. A support rod 44 is fixedly set on the side of the coil body 1. A fixed shaft 45 is slidably set on the support rod 44. The fixed shaft 45 is adapted to the cable frame 38. A fixed seat 46 is fixedly set on the side of the coil body 1. The fixed seat 46 is slidably set with the fixed shaft 45. Pins 47 are detachably set at both ends of the fixed shaft 45.

[0027] First, refer to Figure 6In this embodiment, the mounting ring 5 is fixed to the side end face of the coil body 1 and is coaxially arranged along the wire exit direction of the coil body 1. Multiple mounting grooves 6 are evenly opened circumferentially on the mounting ring 5. Each mounting groove 6 extends radially inward along the mounting ring 5, with its opening facing the central axis of the mounting ring 5. The mounting bracket 7 is entirely embedded inside the mounting groove 6. The two side walls of the mounting bracket 7 are in contact with the inner wall of the mounting groove 6, allowing it to slide back and forth along the extension direction of the mounting groove 6. The inner wall of the mounting groove 6 can limit the sliding trajectory of the mounting bracket 7. The mounting frame 7 is positioned to ensure that it always moves smoothly in the radial direction and is not prone to circumferential deviation. The upper part of the mounting frame 7 is equipped with a wheel axle 8. The two ends of the wheel axle 8 are connected to the side wall of the mounting frame 7 through bearings. The wheel axle 8 can rotate freely around its own axis. The cable core rests on the circumferential surface of the wheel axle 8. When the core is conveyed axially, it can drive the wheel axle 8 to rotate synchronously, converting the sliding friction between the core and the guide structure into rolling friction, which greatly reduces frictional resistance, reduces wear on the insulation material on the surface of the core, and also reduces noise during the conveying process.

[0028] The mounting ring 5 has a first sliding groove 10 corresponding to the position of each mounting slot 6. The extension direction of the first sliding groove 10 is consistent with that of the mounting slot 6, and the top opening of the first sliding groove 10 is connected to the bottom opening of the mounting slot 6, forming a through sliding space. A first connecting block 11 is fixedly connected to the lower surface of the mounting bracket 7. The first connecting block 11 extends downward into the interior of the first sliding groove 10. The lower end of the first connecting block 11 is connected to the upper end of the first rotating rod 12 through a hinge pin 47. The first rotating rod 12 can be deflected relative to the first connecting block 11 around the hinge point. The bottom of the first sliding groove 10 is fixedly connected to the second connecting block 13. The upper end of the second connecting block 13 is connected to the lower end of the second rotating rod 14 through the hinge pin 47. The second rotating rod 14 can be deflected relative to the second connecting block 13 around the hinge point. The lower end of the first rotating rod 12 and the upper end of the second rotating rod 14 are connected to the moving frame 15 through the same hinge pin 47. Both rotating rods can rotate relative to the moving frame 15 around the hinge axis.

[0029] When the movable frame 15 moves horizontally along the length of the first slide groove 10, it simultaneously causes the first rotating rod 12 and the second rotating rod 14 to change angles, and the included angle between the two rotating rods increases or decreases accordingly. When the movable frame 15 moves closer to the center of the mounting ring 5, the included angle between the first rotating rod 12 and the second rotating rod 14 gradually decreases, and the whole structure retracts in the vertical direction, pushing the first connecting block 11 to rise radially upwards, thereby driving the entire mounting frame 7 and the axle 8 to feed towards the center along the mounting groove 6. When the movable frame 15 moves away from the center of the mounting ring 5, the included angle between the first rotating rod 12 and the second rotating rod 14 gradually increases. The large, horizontally unfolded structure pulls the first connecting block 11 down radially, thereby causing the entire mounting frame 7 and axle 8 to retract outward along the mounting groove 6. Through this linkage transmission structure, the axial translational motion of the moving frame 15 can be stably converted into the radial feed motion of the mounting frame 7. The force is uniform during the transmission process, and hard impacts are not easy to occur. Moreover, the linkage mechanisms corresponding to multiple mounting grooves 6 are all powered by the same drive structure, which can ensure that the adjustment displacement of all axles 8 is highly synchronized, ensuring that the guide support radius of each wire core remains consistent, avoiding independent deviations in the tension of a single wire core, and ensuring the uniformity of force when multiple wire cores are twisted.

[0030] Then, refer to Figure 7 In this embodiment, the drive assembly 9 includes multiple sliding rods 16, the number of which corresponds one-to-one with the number of movable frames 15. The inner end of each sliding rod 16 is fixedly connected to the side end face of the corresponding movable frame 15. The rod body of the sliding rod 16 extends along the axial direction of the mounting ring 5 and passes through the side wall plate of the mounting ring 5. The side wall of the mounting ring 5 is provided with sliding holes adapted to the sliding rod 16. The sliding rod 16 can slide smoothly relative to the mounting ring 5 along its own axial direction. The outer ends of all sliding rods 16 are fixedly connected to the same connecting circular plate 17. The connecting circular plate 17 and the mounting ring 5 are coaxially arranged. The disk surface of the connecting circular plate 17 is parallel to the end face of the mounting ring 5. When the connecting circular plate 17 moves axially, it can synchronously drive all sliding rods 16 to move forward and backward along the axial direction, thereby synchronously pushing all movable frames 15 to slide in the corresponding first sliding groove 10, realizing the synchronous adjustment of all wheel axle groups 8.

[0031] On the outer walls of both sides of the mounting ring 5, there are two recessed grooves 18. The two grooves 18 are symmetrically distributed on the upper and lower sides of the mounting ring 5. A hydraulic rod 19 is fixedly installed inside each groove 18. The bottom of the cylinder of the hydraulic rod 19 is fixed to the bottom of the groove 18. The piston rod end of the hydraulic rod 19 extends towards the connecting circular plate 17. The piston rod end of the hydraulic rod 19 is fixedly connected to the end face of the connecting circular plate 17 through a flange structure. The flange connection can ensure the connection strength and facilitate subsequent disassembly and maintenance. When the two hydraulic rods 19 extend and retract synchronously, they can jointly push the connecting circular plate 17 to move smoothly along the axial direction. Through the step-by-step transmission of the sliding rod 16 and the linkage mechanism, all wheel axles 8 are finally driven synchronously to complete the radial position adjustment.

[0032] The symmetrical drive layout with dual hydraulic rods 19 ensures uniform force distribution on both sides of the connecting disc 17, preventing unilateral skewing during translation and avoiding jamming and wear between the sliding rod 16 and the sliding hole. This enhances transmission stability. Furthermore, the hydraulic drive provides greater output thrust, adapting to tension adjustment requirements under conditions of large-diameter coils and high linear speeds. The wide speed range of the hydraulic drive allows for precise control of the piston rod's extension and retraction displacement via oil pressure, thereby precisely controlling the radial feed of the wheel axle 8. This adapts to the production needs of cables with different wire diameters and tension parameters.

[0033] Secondly, see Figure 3 In this embodiment, the sensing component 4 includes a fixed circular plate 20, which is fixedly installed on the side end face of the coil body 1 and located on the outgoing side of the mounting ring 5. The fixed circular plate 20 and the mounting ring 5 are arranged coaxially. After the wire core is guided by the wheel axle 8, it passes through the fixed circular plate 20 and enters the stranding station of the coil body 1. The fixed circular plate 20 is evenly provided with a plurality of semi-circular grooves 21 in the circumference. The number of semi-circular grooves 21 corresponds one-to-one with the number of mounting grooves 6. Each cable core passes through the corresponding semi-circular groove 21. The arc-shaped inner wall of the semi-circular groove 21 can form a circumferential limit on the wire core, preventing the wire core from moving laterally during high-speed transmission and maintaining the stability of the wire core's transmission trajectory.

[0034] The side end face of the fixed circular plate 20 is provided with multiple vertical grooves 22 along the circumference. The number of vertical grooves 22 corresponds to the number of semicircular grooves 21. A vertical rod 23 is hinged to the lower end of each vertical groove 22. The vertical rod 23 can be rotated outward and upward around the hinge axis at the lower end. The upper ends of all vertical rods 23 are fixedly connected to a semicircular frame 24. The curvature of the semicircular frame 24 matches the curvature of the semicircular groove 21. The inner arc surface of the semicircular frame 24 is similar in diameter to the inner arc surface of the semicircular groove 21. When the vertical rod 23 is rotated downward and embedded in the vertical groove 22, the semicircular frame 24 is just engaged at the upper opening of the semicircular groove 21, forming a circular wire passage together with the semicircular groove 21. This can effectively limit the lateral displacement of the wire core and further improve the conveying stability of the wire core.

[0035] A disassembly plate 25 is fixedly connected to the side end face of the semicircular frame 24. The disassembly plate 25 flips synchronously with the semicircular frame 24. When the semicircular frame 24 is snapped into place, the plate surface of the disassembly plate 25 is attached to the side surface of the fixed circular plate 20. The disassembly plate 25 and the fixed circular plate 20 are respectively provided with screw holes. The disassembly plate 25 and the fixed circular plate 20 can be locked and fixed by screws, thereby reliably locking the position of the semicircular frame 24 and ensuring the structural stability of the wire passage. When it is necessary to thread new wire cores or change the wire core specifications, simply unscrew the fixing screws to flip the semicircular frame 24 upwards, fully opening the upper part of all the semicircular slots 21. The operator can directly place the wire cores into the semicircular slots 21 without threading the wires one by one, which can greatly shorten the time for wire replacement and debugging. Especially in multi-core production scenarios, the convenience of operation is significantly improved.

[0036] Again, see Figure 3 In this embodiment, a second sliding groove 26 is provided inside the fixed circular plate 20 corresponding to the position of each semicircular groove 21. The second sliding groove 26 extends radially along the fixed circular plate 20, and the top groove of the second sliding groove 26 is connected to the bottom groove of the semicircular groove 21, forming a through slide. An adjusting block 27 is embedded inside the second sliding groove 26. The side wall of the adjusting block 27 is in contact with the inner wall of the second sliding groove 26, and can slide back and forth along the extension direction of the second sliding groove 26. A support block 28 is fixedly connected to the upper surface of the adjusting block 27. The support block 28 extends upward into the internal space of the semicircular groove 21. A wear-resistant plate 29 is fixedly laid on the top of the support block 28. When the wire core passes through the semicircular groove 21, it directly rests on the upper surface of the wear-resistant plate 29, and the wear-resistant plate 29 provides bottom support.

[0037] A sliding post 30 is fixedly connected to the lower surface of the adjusting block 27. The sliding post 30 extends vertically downward and penetrates the bottom plate of the second slide groove 26. The interior of the fixed circular plate 20 is provided with a sliding hole that matches the sliding post 30. The sliding post 30 can slide up and down relative to the fixed circular plate 20 along its own axis. A first spring 31 is sleeved on the outside of the sliding post 30. The lower end of the first spring 31 abuts and is fixed to the bottom of the second slide groove 26, and the upper end abuts and is fixed to the lower surface of the adjusting block 27. In its natural state, the upward elastic force of the first spring 31 supports the adjusting block 27, keeping the wear-resistant plate 29 at a preset support height and providing stable bottom support for the wire core.

[0038] When the winding equipment vibrates at high speed or when the core tension fluctuates momentarily, the core exerts downward pressure on the wear-resistant plate 29. This pressure is transmitted to the adjusting block 27 via the support block 28. The adjusting block 27 slides downward to compress the first spring 31, which then undergoes elastic deformation to absorb the impact energy. This effectively buffers the momentary tension impact on the core, weakens the direct transmission of equipment vibration to the core, reduces momentary tension fluctuations during the winding process, and lowers the twisting pitch deviation and core shaking problem. This ensures stable winding quality even under high-speed winding conditions. The wear-resistant plate 29 is made of abrasion-resistant material, and it is not prone to excessive wear even after long-term friction with the core surface. Furthermore, the wear-resistant plate 29 and the support block 28 are separate connection structures, allowing for individual disassembly and replacement of the wear-resistant parts after wear occurs, eliminating the need to replace the entire support structure. This results in lower daily maintenance costs and simpler operation.

[0039] In addition, see Figure 4 In this embodiment, multiple sets of support blocks 28 arranged on the same circumference have progressively decreasing heights and are arranged in an inclined manner along the circumference. The support height of the top wear-resistant plate 29 also gradually changes along the circumference, forming a continuous height gradient. When the wire core passes through the semi-circular groove 21, it will naturally rest on the wear-resistant plate 29 at the corresponding height according to its own tension: when the tension of the wire core is greater, the wire core is straighter and the amount of droop is smaller, so it will rest on the surface of the wear-resistant plate 29 at a higher position; when the tension of the wire core is less, the wire core is straighter and the amount of droop is larger, so it will rest on the surface of the wear-resistant plate 29 at a lower position.

[0040] A sensor 32 is installed on the side of the fixed circular plate 20. The detection end of the sensor 32 faces the contact area between the wear-resistant plate 29 and the wire core. It can identify the position of the wear-resistant plate 29 against which the wire core is attached in real time. The tension of the wire core is determined by the support height. The sensor 32 is electrically connected to the control unit of the hydraulic rod 19. It can convert the detected tension state signal into a control signal and send it to the control unit of the hydraulic rod 19. The control unit automatically controls the extension and retraction of the hydraulic rod 19 and adjusts the radial position of the wheel axle 8 accordingly. This dynamically adjusts the tension of the wire core. When the wire core tension is detected to be too low, the control unit controls the hydraulic rod 19 to extend and push the wheel axle 8 inward to increase the wrap angle of the wire core and increase the tension. When the wire core tension is detected to be too high, the control unit controls the hydraulic rod 19 to retract and drive the wheel axle 8 outward to reduce the wrap angle of the wire core and reduce the tension.

[0041] This closed-loop adjustment method with induction linkage enables fully automatic dynamic adjustment of tension without manual intervention. It can continuously maintain a stable core tension value in real time with the real-time change of the coil diameter, effectively reducing the tightness difference of each core during stranding, reducing the probability of loose twisting and non-roundness in the cable structure, and also reducing the risk of deformation and damage to the insulation layer structure caused by excessive stretching of the core. This helps to ensure the electrical performance and mechanical strength stability of the finished cable.

[0042] Finally, see Figure 10 In this embodiment, the cable conveying assembly 2 includes a fixing frame 33, which is placed on the ground to the side of the cable reel body 1. The bottom of the fixing frame 33 is in contact with the ground, providing stable support for the entire conveying structure. A sliding frame 34 is fixedly installed on the upper part of the fixing frame 33. The sliding frame 34 extends horizontally and is arranged towards the cable reel body 1. A sliding plate 35 is embedded inside the sliding frame 34. The two side edges of the sliding plate 35 cooperate with the inner wall slide rails of the sliding frame 34, allowing it to slide horizontally along the extension direction of the sliding frame 34. A pusher 36 is fixedly connected to the upper surface of the sliding plate 35. A support plate 37 is fixedly connected to the downward-extending end. The surface of the support plate 37 remains horizontal. A cable rack 38 is mounted on the upper surface of the support plate 37. The bottom of the cable rack 38 is in contact with the surface of the support plate 37 and can slide laterally along the surface of the support plate 37. The cable rack 38 is used to hold the coil to be used. When the sliding plate 35 is pushed to move along the sliding frame 34, the support plate 37 and the cable rack 38 can move closer to or further away from the coil body 1 as a whole, which facilitates the smooth transport of heavy coils to the clamping station without manual handling. This can greatly reduce the labor intensity of the loading process and improve the accuracy of loading alignment.

[0043] A square groove 39 is provided on the side of the slide plate 35, which extends vertically through the slide plate 35. A baffle 40 is embedded inside the square groove 39, and the side wall of the baffle 40 fits against the inner wall of the square groove 39, allowing it to slide up and down along the inner wall of the square groove 39. A vertical column 41 is fixedly connected to each side of the lower surface of the baffle 40, and the two vertical columns 41 are parallel to each other and extend downward in the vertical direction. A stop bracket 42 is fixedly installed at a corresponding position on the lower surface of the slide plate 35. The baffle 42 has a through hole that matches the vertical column 41. The vertical column 41 passes through the through hole of the baffle 42 and can slide up and down relative to the baffle 42. The baffle 42 can limit the sliding trajectory of the vertical column 41, ensuring that the baffle 40 always rises and falls smoothly in the vertical direction and is not prone to tilting or jamming. Each vertical column 41 is fitted with a second spring 43. The lower end of the second spring 43 is fixed to the upper surface of the baffle 42, and the upper end is fixed to the lower surface of the baffle 40.

[0044] In its natural state, the upward elastic force of the second spring 43 supports the baffle 40, causing the upper part of the baffle 40 to protrude from the upper surface of the slide plate 35, forming a lateral blocking structure. This structure can laterally limit the cable frame 38, preventing it from slipping off the side of the slide plate 35 during transport and improving the safety of the transport process. When the cable frame 38 moves to the clamping position and needs to be pushed out laterally for alignment, the baffle 40 is pressed down, compressing the second spring 43. This lowers the top of the baffle 40 to a position flush with the upper surface of the slide plate 35, releasing the lateral obstruction and allowing the cable frame 38 to be pushed out laterally along the support plate 37, completing the alignment of the reel with the clamping structure. After clamping, the baffle 40 is released, and the elastic force of the second spring 43 automatically pushes the baffle 40 upward to reset, restoring the lateral obstruction function. The operation is simple and convenient, effectively improving the efficiency of reel loading.

[0045] Two support rods 44 are fixedly connected to the side of the coil body 1. The two support rods 44 are arranged in parallel in the horizontal direction. The support rods 44 have shaft holes that are adapted to the fixed shaft 45. The fixed shaft 45 is inserted into the shaft holes of the two support rods 44 and can slide along its own axis. The fixed seat 46 is fixedly installed on the side end face of the coil body 1. The fixed seat 46 also has shaft holes. The fixed shaft 45 passes through the shaft holes of the fixed seat 46. The fixed seat 46 can cooperate with the support rods 44 to provide multi-point support for the fixed shaft 45, further improving the support stability of the fixed shaft 45 and reducing the possibility of bending deformation of the fixed shaft 45 due to load.

[0046] The diameter of the fixed shaft 45 is matched with the center hole of the wire reel on the cable rack 38. When the cable rack 38 moves the wire reel to the clamping position, the center hole of the wire reel and the fixed shaft 45 are coaxially aligned. At this time, the fixed shaft 45 is pushed to slide towards the wire reel, so that the fixed shaft 45 passes into the center hole of the wire reel, thus completing the radial positioning of the wire reel and restricting the radial movement of the wire reel. Pin holes are opened at both ends of the fixed shaft 45. After it is inserted into place, the pin shaft 47 is inserted into the pin holes at both ends of the fixed shaft 45. The pin shaft 47 can restrict the axial movement of the fixed shaft 45, ensuring that the wire reel is firmly clamped and is not easy to come out during high-speed rotation. When the wire reel needs to be replaced, the pin shaft 47 at both ends is pulled out and the fixed shaft 45 is pulled out to release the locking of the wire reel. With the movable cable rack 38 structure, the wire reel replacement operation can be completed quickly, which is suitable for the material replacement needs of large-scale continuous production of low-voltage cables.

[0047] Working principle: When using this synchronous winding device for low-voltage power cable production, first place the device in the desired position, unscrew the screws and flip open the semi-circular frame 24, arrange the multiple cable cores to be winding in the corresponding semi-circular grooves 21, then fasten the semi-circular frame 24 and tighten the screws, so that the cores pass through the wire passage formed by the semi-circular grooves 21 and the semi-circular frame 24, and then guide the cores through the corresponding wheel axle 8 and into the winding body 1. Next, place the cable rack 38 holding the coil on the support plate 37, push the slide plate 35 to move horizontally along the sliding frame 34 towards the winding body 1, and after the center hole of the coil is aligned with the fixed shaft 45, press the baffle 40 to release the lateral limit, push the cable rack 38 to the clamping position, push the fixed shaft 45 into the center hole of the coil, and insert the pins 47 at both ends to complete the coil clamping.

[0048] After the equipment is started, the main body 1 of the coil drives the wire core to perform the coiling operation. The sensor 32 monitors the support height of the wire core on the wear-resistant plate 29 in real time, judges the current tension of the wire core, and sends a control signal to the control unit of the hydraulic rod 19. The hydraulic rod 19 extends and retracts according to the signal, and drives the moving frame 15 to move horizontally through the connecting circular plate 17 and the sliding rod 16. Through the linkage mechanism, all wheel shafts 8 are driven to feed radially synchronously, dynamically adjusting the tension of the wire core and maintaining the tension of each wire core. The first spring 31 buffers the fluctuation of the wire core tension and the vibration of the equipment. The second spring 43, together with the baffle 40, realizes the lateral limit of the wire reel conveying, and together ensures the smooth operation of the coiling process. When changing production, the semi-circular frame 24 can be loosened to quickly change the wire, and the wire reel can be replaced by pulling out the pin 47 and pulling out the fixed shaft 45. The operation is convenient and efficient.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A synchronous winding device for low-voltage power cable production, characterized in that, include: The main body of the winch (1); Cable delivery assembly (2), which is mounted on the side of the coil body (1); And a tension control component (3), the tension control component (3) is installed on the coil body (1), the tension control component (3) includes a sensing component (4), the sensing component (4) is installed on the coil body (1), a mounting ring (5) is fixedly provided on the side of the coil body (1), a plurality of mounting grooves (6) are provided on the mounting ring (5), a mounting frame (7) is slidably provided in the mounting groove (6), a wheel axle (8) is rotatably provided on the mounting frame (7), and a drive component (9) is installed on the side of the mounting frame (7).

2. The synchronous winding device for low-voltage power cable production according to claim 1, characterized in that, The mounting ring (5) is provided with a first sliding groove (10), which is connected to the mounting groove (6). The bottom of the mounting frame (7) is fixedly provided with a first connecting block (11), and a first rotating rod (12) is rotatably provided at the bottom of the first connecting block (11). The bottom of the first sliding groove (10) is fixedly provided with a second connecting block (13), and a second rotating rod (14) is rotatably provided on the second connecting block (13). A movable frame (15) is rotatably provided between the first rotating rod (12) and the second rotating rod (14).

3. The synchronous winding device for low-voltage power cable production according to claim 2, characterized in that, The drive assembly (9) includes a sliding rod (16), one end of which is fixedly mounted to the movable frame (15), and the other end of which passes through the mounting ring (5). A connecting circular plate (17) is fixedly mounted between the other ends of the sliding rod (16). Bottom grooves (18) are provided on both sides of the mounting ring (5), and a hydraulic rod (19) is fixedly mounted in the bottom groove (18). The top of the hydraulic rod (19) is connected to the bottom of the connecting circular plate (17) through a flange.

4. The synchronous winding device for low-voltage power cable production according to claim 3, characterized in that, The sensing component (4) includes a fixed circular plate (20), which is fixedly disposed on the side of the coil body (1). The fixed circular plate (20) is located on the side of the mounting ring (5). The fixed circular plate (20) has a number of semi-circular grooves (21) that are the same as the number of mounting grooves (6). The side of the fixed circular plate (20) has a number of vertical grooves (22). A vertical rod (23) is rotatably disposed in the vertical groove (22). A semi-circular frame (24) that matches the semi-circular groove (21) is fixedly disposed between the tops of the vertical rods (23). A disassembly plate (25) is fixedly disposed on the side of the semi-circular frame (24). The disassembly plate (25) is connected to the fixed circular plate (20) by screws.

5. The synchronous winding device for low-voltage power cable production according to claim 4, characterized in that, The fixed circular plate (20) has a second sliding groove (26) with the same number as the semicircular groove (21). The second sliding groove (26) communicates with the semicircular groove (21). An adjusting block (27) is slidably arranged in the second sliding groove (26). A support block (28) is fixedly arranged on the top of the adjusting block (27). A wear-resistant plate (29) is fixedly arranged on the top of the support block (28).

6. The synchronous winding device for low-voltage power cable production according to claim 5, characterized in that, The bottom of the adjusting block (27) is fixedly provided with a sliding column (30), the sliding column (30) is slidably disposed with the fixed circular plate (20), and a first spring (31) is sleeved on the sliding column (30). One end of the first spring (31) is fixedly disposed with the bottom of the second sliding groove (26), and the other end of the first spring (31) is fixedly disposed with the bottom of the adjusting block (27).

7. The synchronous winding device for low-voltage power cable production according to claim 6, characterized in that, The height of the support block (28) decreases sequentially and is inclined. A sensor (32) is installed on the side of the fixed circular plate (20), and the sensor (32) is electrically connected to the hydraulic rod (19).

8. The synchronous winding device for low-voltage power cable production according to claim 7, characterized in that, The cable delivery assembly (2) includes a fixing frame (33), which is placed on the side of the coil body (1). A sliding frame (34) is fixedly installed on the fixing frame (33), and a sliding plate (35) is slidably installed inside the sliding frame (34). A pusher (36) is fixedly installed on the top of the sliding plate (35), and a support plate (37) is fixedly installed on the bottom of the pusher (36). A cable rack (38) is slidably installed on the support plate (37).

9. The synchronous winding device for low-voltage power cable production according to claim 8, characterized in that, The slide plate (35) has a square groove (39) on its side. A baffle (40) is slidably arranged in the square groove (39). Vertical columns (41) are fixedly arranged on both sides of the bottom of the baffle (40). A baffle frame (42) is fixedly arranged at the bottom of the slide plate (35). The baffle frame (42) is slidably arranged with the vertical column (41). A second spring (43) is sleeved on the vertical column (41). One end of the second spring (43) is fixedly arranged with the baffle frame (42), and the other end of the second spring (43) is fixedly arranged with the bottom of the baffle (40).

10. The synchronous winding device for low-voltage power cable production according to claim 9, characterized in that, A support rod (44) is fixedly provided on the side of the coil body (1). A fixed shaft (45) is slidably provided on the support rod (44). The fixed shaft (45) is adapted to the cable frame (38). A fixed seat (46) is fixedly provided on the side of the coil body (1). The fixed seat (46) is slidably provided with the fixed shaft (45). Pins (47) can be detachably provided at both ends of the fixed shaft (45).

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