A cross-linked polyethylene insulated power cable production equipment

Abstract

The present application relates to the field of conductor-specific production equipment, and in particular to a cross-linked polyethylene insulated power cable production equipment, which includes a frame and a stranding cage rotatably connected to the frame, and also includes a feeding device, the feeding device including a feeding pipe and a gripping mechanism, the feeding pipe is provided with a discharge port, and the wire reel can be moved out from the discharge port; the gripping mechanism includes a clamping assembly and a movable assembly, the clamping assembly is mounted on the movable assembly for clamping the wire reel, the movable assembly includes a rotating frame mounted on the frame, the rotating frame includes a first rotating side and a second rotating side, the first rotating side is close to the discharge port, and the second rotating side is close to the stranding cage; the first rotating side and the second rotating side can be rotatably connected to the frame, the first rotating side is connected to the frame, the rotating frame can drive the clamping assembly close to the discharge port, the second rotating side rotates with the frame, and the rotating frame can drive the clamping assembly close to the stranding cage. The present application has the effect of improving cable production efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of conductor-specific production equipment, and in particular to a cross-linked polyethylene insulated power cable production equipment. Background Art

[0002] Cross-linked polyethylene insulated power cables consist of an outer insulating sheath and an inner core. The sheath, made of cross-linked polyethylene, primarily protects the core. The core is formed by twisting multiple conductors together. The production of power cables requires several specialized machines, such as the frame stranding machine, which is primarily used to twist multiple conductors together to form the core and is a core step in the power cable production process.

[0003] A frame stranding machine primarily consists of a frame and a stranding frame, which is rotatably connected to the frame. Multiple wire drums are circumferentially mounted on the stranding frame. A traction device moves one end of the wire on the drums, while the frame rotates to strand the power cable. For example, patent publication number CN109671540B discloses a frame stranding machine that primarily includes a base, a main stranding cage, and a motor. The wire drums are mounted on the main stranding cage, and the motor drives the main stranding cage to rotate. This rotation of the main stranding cage drives the wire drums in circular motion, thereby stranding the wires.

[0004] During the power cable production process, when the wire on the reel is consumed, the reel needs to be replaced. For small reels, workers can easily complete the replacement of the reel. However, for larger reels, the weight of the reel will cause a heavy workload for the workers and low replacement efficiency. Of course, when replacing the reel, the reel can be hoisted with the help of a crane, but it still requires the assistance of workers. The long work will still lead to the problem of heavy workload for the workers and long working time on the reel, which in turn affects the production efficiency of the power cable. Summary of the Invention

[0005] In order to improve the production efficiency of power cables, the present application provides a cross-linked polyethylene insulated power cable production equipment.

[0006] The present application provides a cross-linked polyethylene insulated power cable production equipment adopting the following technical solutions:

[0007] A cross-linked polyethylene insulated power cable production equipment includes a frame and a stranding cage rotatably connected to the frame, and also includes a feeding device, the feeding device includes a feeding pipe and a grabbing mechanism, the feeding pipe is provided with a discharge port, and the wire drum can be moved out from the discharge port; the grabbing mechanism includes a clamping assembly and a movable assembly, the clamping assembly is installed on the movable assembly for clamping the wire drum, the movable assembly includes a rotating frame installed on the frame, the rotating frame includes a first rotating side and a second rotating side, the first rotating side is close to the discharge port and the second rotating side is close to the stranding cage; the first rotating side and the second rotating side can be rotatably connected to the frame, the first rotating side is connected to the frame, the rotating frame can drive the clamping assembly close to the discharge port, the second rotating side rotates with the frame, and the rotating frame can drive the clamping assembly close to the stranding cage.

[0008] By adopting this technical solution, the wire reel is transported to the discharge port via a feed pipe. The first rotating side of the control plate is connected to the frame, and the rotation of the turret drives the clamping assembly toward the discharge port, clamping the wire reel at the discharge port. The turret is then reset, and the second rotating side is connected to the frame. The turret is then rotated in the opposite direction, driving the wire reel toward the stranding cage for loading. This alternating rotation of the two sides of the turret allows for rapid reel loading and unloading, improving the efficiency of reel replacement, reducing the workload of staff, and increasing overall production efficiency.

[0009] Optionally, a sliding assembly is provided between the grabbing mechanism and the frame, the sliding assembly includes a sliding seat and a rotating ring, the sliding seat is slidably connected to the frame along a direction parallel to the rotating axis of the cage, the rotating ring is sleeved on the outside of the cage and rotatably connected to the sliding seat; the grabbing mechanism is installed on the rotating ring and multiple ones are arranged along the circumference of the rotating ring.

[0010] By adopting the above technical solution, during the loading process, the rotating ring rotates, causing multiple grabbing mechanisms to grab the wire drum in turn, and then the sliding seat moves to drive the grabbing mechanism to move to the specified position. The multiple grabbing mechanisms operate synchronously to achieve synchronous loading of multiple positions on the stranding cage, further improving the loading efficiency.

[0011] Optionally, the movable component also includes a connection control component for controlling the connection and disconnection between the rotating frame and the rotating ring; the connection control component is provided with two groups corresponding to the first rotating side and the second rotating side; the connection control component includes a limit plate and a rotating shaft; the limit plate is movably mounted on the rotating ring, and the rotating shaft is fixed on the rotating frame, and the movable limit plate can make the limit plate abut against the rotating shaft, thereby preventing the rotating shaft from displacing in a direction perpendicular to its own axis.

[0012] By adopting this technical solution, the rotation of the limit plate limits the displacement of the rotating shaft in a direction perpendicular to its own axis, reducing the rotating shaft's degree of freedom and allowing it to rotate and connect to the rotating ring. When the limit plate is rotated away from the rotating shaft, the rotating shaft is disconnected from the rotating ring, thus achieving connection and disconnection between the rotating frame and the rotating ring.

[0013] Optionally, the connection control component also includes a fixed block, which is arranged between the rotating shaft and the rotating ring, and the fixed block is fixedly connected to the rotating ring. An open rotating groove is provided on the side of the fixed block close to the rotating shaft, and the rotating shaft can be embedded in the open rotating groove from the side of the fixed block away from the rotating ring. The limit plate is installed on the fixed block, and the movable limit plate can block the opening of the open rotating groove.

[0014] By adopting the above technical solution, the limit plate blocks the opening of the open rotation groove, thereby limiting the rotation shaft and further realizing the connection and disconnection between the rotating frame and the rotating ring.

[0015] Optionally, the side wall of the open rotation groove is arc-shaped, the limiting plate is an arc-shaped plate, and the limiting plate rotates on the fixed block.

[0016] By adopting the above technical solution, the open rotation groove and the limiting plate are both configured to be arc-shaped, so that after being rotated and embedded in the open rotation groove, they can fit with the side wall of the shaft, thereby improving the stability of the shaft during rotation.

[0017] Optionally, two limit plates are provided, and the two limit plates are respectively provided on both sides of the open rotation groove.

[0018] By adopting the above technical solution, two limit plates are provided, which, on the one hand, improves the stability of the limit of the rotating shaft, and on the other hand, can reduce the curvature of the limit plate itself, so that the limit plate does not need to be made with a larger curvature.

[0019] Optionally, the two limit plates are spaced apart in a direction parallel to their own rotation axis, a linkage bevel gear is provided between the two limit plates, the linkage bevel gear is rotatably connected to the fixed block, and the limit plates are provided with tooth grooves that mesh with the linkage bevel gear.

[0020] By adopting the above technical solution, the linkage between the two limit plates is achieved through the cooperation between the linkage bevel gear and the tooth groove, which facilitates the synchronous adjustment of the position between the two limit plates.

[0021] Optionally, a swing arm is provided on one of the limit plates, and the swing arm extends in a direction perpendicular to the rotation axis of the limit plate.

[0022] By adopting the above technical solution, the lever arm when driving the limit plate to rotate is increased by the swing arm, which facilitates the rotation of the limit plate.

[0023] Optionally, a linkage rod is provided between the swing arms on the two limit plates, and both ends of the linkage rod are rotatably connected to the swing arms.

[0024] By adopting the above technical solution, the two ends of the linkage rod are rotatably connected to the two swing arms, thereby realizing the connection between the two swing arms and facilitating synchronous adjustment of the positions of the two swing arms.

[0025] Optionally, a telescopic driving member is provided on the rotating ring, and both ends of the telescopic driving member are rotatably connected to the rotating ring and the rotating frame respectively. The telescopic driving member can apply a force to the rotating frame to make it move in a direction away from the rotating ring.

[0026] By adopting the above technical solution, the telescopic driving member applies a force to the rotating frame, and at the same time cooperates with its own telescopic movement to realize driving the rotating frame in multiple rotation directions and around different axes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 2 This is an embodiment of the present application Figure 1 Enlarged view of part A.

[0029] Figure 3 It is a structural diagram of the connection control component of an embodiment of the present application.

[0030] Figure 4 It is a structural diagram of the linkage component of an embodiment of the present application.

[0031] Figure 5 It is a structural diagram of the drive component of an embodiment of the present application.

[0032] Figure 6 It is a schematic structural diagram of the clamping assembly of an embodiment of the present application.

[0033] Figure 7 This is an embodiment of the present application Figure 6 Magnified view of part B.

[0034] Reference numerals: 1, frame; 2, cage; 3, feeding device; 31, telescopic drive member; 32, feeding pipe; 321, discharge port; 4, material grabbing mechanism; 41, movable component; 411, rotating frame; 4111, first rotating side; 4112, second rotating side; 412, connection control component; 4121, fixed block; 4122, limit plate; 4123, open rotating groove; 4124, rotating shaft; 42, Clamping assembly; 421, clamping plate; 422, force block; 423, force rod; 424, force end; 425, slot; 426, threaded rod; 5. elastic intercepting assembly; 51, baffle; 52, elastic member; 6, linkage assembly; 61, linkage bevel gear; 62, linkage arc plate; 7, driving assembly; 71, swing arm; 72, linkage rod; 73, sliding block; 8. sliding assembly; 81, sliding seat; 82, rotating ring. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-7 This application is described in further detail.

[0036] The embodiments of the present application disclose a cross-linked polyethylene insulated power cable production device.

[0037] Reference Figure 1 and Figure 2 A cross-linked polyethylene insulated power cable production device includes a frame 1 and a cage 2 rotatably connected to the frame 1, with the rotation axis of the cage 2 parallel to the ground. A feeding device 3 is provided on the frame 1, and the feeding device 3 includes a feeding pipe 32 and a grabbing mechanism 4. The feeding pipe 32 is provided above the cage 2, and one end of the feeding pipe 32 extends downward and is provided with a discharge port 321. The grabbing mechanism 4 includes a movable component 41 and a clamping component 42. The movable component 41 is mounted on the sliding component 8, and the clamping component 42 is mounted on the movable component 41. The movable component 41 is used to drive the clamping component 42 close to the discharge port 321 or close to the cage 2, and the clamping component 42 is used to grab the wire reel.

[0038] Reference Figure 1 and Figure 2An elastic interception assembly 5 is provided inside the feed pipe 32 at a position corresponding to the discharge port 321. The elastic interception assembly 5 includes a baffle 51 and an elastic member 52. One side of the baffle 51 is rotatably connected to the inner side wall of the discharge port 321, and the other side extends downward and away from the inner side wall of the feed pipe 32. The elastic member 52 is installed in the feed pipe 32 to prevent the baffle 51 from rotating in the direction close to the side wall of the discharge port 321. After the wire drum slides to the discharge port 321, the baffle 51 can prevent the wire drum from falling out of the discharge port 321. When the clamping assembly 42 grabs the wire drum, it can drive the wire drum to overcome the elastic force of the elastic member 52 and move out of the feed pipe 32. In this embodiment, the elastic member 52 is a rubber block, which is bonded to the inner side wall of the feed pipe 32. The side of the baffle 51 close to the inner side wall of the feed pipe 32 abuts against the rubber block, thereby preventing the baffle 51 from rotating in the direction close to the side wall of the feed pipe 32 to a certain extent.

[0039] Reference Figure 1 and Figure 2 The feeding device 3 also includes a sliding assembly 8, which is mounted on the frame 1, and the grabbing mechanism 4 is mounted on the sliding assembly 8. The sliding assembly 8 is used to drive the grabbing mechanism 4 to slide along the length direction of the cage 2. This is to facilitate the installation of wire drums at multiple positions in the axial direction of the cage 2. The sliding assembly 8 includes a sliding seat 81 and a rotating ring 82. The sliding seat 81 is connected to the frame 1 in a sliding manner along the axis of the cage 2. The rotating ring 82 is a plate-like structure as a whole and is in the shape of a circular ring. The rotating ring 82 is sleeved on the outside of the cage 2 and is rotatably connected to the sliding seat 81. The rotation axis of the rotating ring 82 is coaxial with the rotation axis of the cage 2. The movable assembly 41 is mounted on the rotating ring 82, and the rotating ring 82 can drive the movable assembly 41 to move around the axis of the cage 2, thereby installing the wire drums at different positions in the axial direction of the cage 2.

[0040] Reference Figure 1 and Figure 2 A plurality of grabbing mechanisms 4 are evenly spaced along the circumference of the rotating ring 82, and the plurality of grabbing mechanisms 4 correspond to the positions for installing the wire drum in the axial direction of the cage 2, so as to facilitate the simultaneous installation of the wire drum at multiple positions in the axial direction of the cage 2, thereby improving the loading efficiency.

[0041] Reference Figure 1 and Figure 2 The movable assembly 41 includes a rotating frame 411 and a connection control assembly 412. The rotating frame 411 is a plate-shaped structure and is arranged parallel to the rotating ring 82. The side of the rotating frame 411 closest to the discharge port 321 is defined as the first rotating side 4111, and the side of the rotating frame 411 closest to the stranding cage 2 is defined as the second rotating side 4112. The connection control assembly 412 is provided in two groups, corresponding to the first rotating side 4111 and the second rotating side 4112. The connection control assembly 412 can control the first rotating side 4111 and the second rotating side 4112 to rotate in or out of connection with the rotating ring 82.

[0042] Reference Figure 1 and Figure 2 During the loading and unloading process, when it is necessary to drive the clamping assembly 42 toward the discharge port 321, the connection control assembly 412 controls the first rotating side 4111 to rotate and connect with the rotating ring 82, while the second rotating side 4112 disconnects from the rotating ring 82. At this time, the rotating frame 411 can drive the clamping assembly 42 toward the discharge port 321. After the clamping assembly 42 grabs the wire drum, the rotating frame 411 rotates, causing the second rotating side 4112 to approach the rotating ring 82, while simultaneously driving the wire drum toward the stranding cage 2. When the rotating frame 411 is parallel to the rotating ring 82, the second rotating side 4112 is controlled to connect with the rotating ring 82, and the connection between the first rotating side 4111 and the rotating ring 82 is disconnected. At this time, the rotating member rotates, and the first rotating side 4111 can move toward the stranding cage 2, thereby driving the wire drum toward the stranding cage 2.

[0043] Reference Figure 3 and Figure 4 The connection control assembly 412 includes a fixed block 4121 and a limit plate 4122. The fixed block 4121 is arranged between the rotating frame 411 and the rotating ring 82, and the fixed block 4121 is welded to the rotating ring 82. A rotating shaft 4124 is provided at the position of the first rotating side 4111 and the second rotating side 4112 corresponding to the connection control assembly 412, and the axis of the rotating shaft 4124 is perpendicular to the axis of the cage 2. An open rotating groove 4123 is provided on the side of the fixed block 4121 corresponding to the rotating shaft 4124. The side wall of the open rotating groove 4123 is arc-shaped, and its curvature is no greater than π. The rotating shaft 4124 can be embedded in the open rotating groove 4123 and can enter and exit the open rotating groove 4123 at will. The limit plate 4122 is a circular arc plate structure. The limit plate 4122 is rotatably connected to the fixed block 4121, and the diameter of the inner side wall of the limit plate 4122 is equal to the diameter of the rotating shaft 4124. Rotating the limiting plate 4122 can move one end of the limiting plate 4122 to the side of the fixed block 4121 away from the rotating ring 82. Figure 2 The sum of the curvatures of the limiting plate 4122 and the sidewalls of the open rotation groove 4123 is greater than π, thereby preventing the rotating shaft 4124 from escaping from the open rotation groove 4123 and realizing the rotation connection between the rotating frame 411 and the rotating ring 82.

[0044] Reference Figure 3 and Figure 4 Two limiting plates 4122 are provided at both ends of the arc-shaped track corresponding to the side walls of the open rotation groove 4123. When the rotation shaft 4124 is located in the open rotation groove 4123, the limiting plates 4122 are rotated to limit the rotation shaft 4124 from both sides, thereby improving the stability of the connection between the rotation shaft 4124 and the fixed block 4121.

[0045] Reference Figure 3 and Figure 4 The two limiting plates 4122 are spaced apart in a direction parallel to their respective rotational axes, with a linkage assembly 6 disposed between the two limiting plates 4122. The linkage assembly 6 comprises a linkage bevel gear 61 and two linkage arc plates 62. The two linkage arc plates 62 are coaxially welded to the two limiting plates 4122, respectively. The linkage bevel gear 61 is disposed between the two linkage arc plates 62 and is rotatably connected to the fixed block 4121. The sides of the linkage arc plates 62, near the linkage bevel gear 61, are provided with tooth grooves that mesh with the linkage bevel gear 61, thereby achieving synchronous rotation between the two limiting plates 4122.

[0046] Reference Figure 4 and Figure 5 The limiting state of limiting plate 4122 is defined as when one end of limiting plate 4122 is located on the side of fixed block 4121 away from rotating ring 82. In practice, during blanking, limiting plate 4122 of connection control assembly 412 corresponding to first rotating side 4111 or second rotating side 4112 is in the limiting state, meaning that only one side of rotating frame 411 is rotatably connected to rotating ring 82.

[0047] Reference Figure 4 and Figure 5 A drive assembly 7 is disposed between the two sets of connection control assemblies 412. The drive assembly 7 includes a swing arm 71 corresponding to the limit plate 4122. One end of the swing arm 71 is welded to the limit plate 4122, and the other end extends in a direction perpendicular to the axis of the limit plate 4122. The swing arm 71 increases the lever arm during the rotation of the limit plate 4122, making it easier for staff to rotate the limit plate 4122. The drive assembly 7 also includes a linkage rod 72, the ends of which are rotatably connected to the two swing arms 71. Moving the linkage rod 72 can drive the two swing arms 71 to rotate simultaneously, thereby facilitating the synchronous rotation of multiple limit plates 4122.

[0048] Reference Figure 4 and Figure 5 The drive assembly 7 further includes a sliding block 73, which is slidably connected to the rotating ring 82 in a direction parallel to the linkage rod. The linkage rod 72 is connected to the sliding block 73 and can move relative to the sliding block 73 in a direction perpendicular to the linkage rod 72 to accommodate the displacement of the linkage rod 72 in a direction perpendicular to its own length during the process of the linkage rod 72 driving the swing arm 71. In this embodiment, the sliding block 73 is driven by an electric push rod, but in other embodiments, it can also be driven by a pneumatic cylinder or an oil cylinder.

[0049] Reference Figure 6 and Figure 7The clamping assembly 42 includes two clamping plates 421 rotatably connected to the rotating frame 411. The two clamping plates 421 are arranged parallel to each other and spaced apart in a direction parallel to the axis of the rotating shaft 4124. The clamping plates 421 can be rotated to move the two clamping plates 421 away from the rotating frame 411 closer to or farther away from each other, thereby clamping the wire drum.

[0050] Reference Figure 6 and Figure 7 The clamping assembly 42 also includes a force block 422 and a force rod 423. Two force rods 423 are provided corresponding to the splint 421. One end of the two force rods 423 is welded to the splint 421, and the other end extends in a direction close to each other. The force block 422 is arranged between the two force rods 423. The ends of the two force rods 423 close to each other are defined as force ends 424. A slot 425 is provided on the force block 422 corresponding to the force end 424, and the force end 424 is inserted into the slot 425. The force end 424 is rotatably connected to the side wall of the slot 425, and the force end 424 can slide relative to the force block 422 in a direction parallel to the rotation axis of the rotating frame 411. The force block 422 is slidably connected to the rotating frame 411 in a direction perpendicular to the rotating frame 411. The sliding force block 422 can drive the force end 424 to move, thereby driving the splint 421 to rotate, thereby adjusting the position of the splint 421.

[0051] Reference Figure 6 and Figure 7 A threaded rod 426 is rotatably provided on the rotating frame 411, and the threaded rod 426 is threadedly connected to the force block 422. Rotating the threaded rod 426 can drive the force block 422 to move, thereby driving the force block 422. At the same time, the self-locking property of the thread can improve the stability of the clamping plate 421 clamping the wire drum.

[0052] Reference Figure 5 and Figure 6 A telescopic drive member 31 for driving the rotating frame 411 to rotate is provided on the side of the rotating frame 411 facing away from the clamping assembly 42. The two ends of the telescopic drive member 31 are rotatably connected to the rotating plate and the rotating ring 82 respectively, and are used to apply a force to the rotating frame 411 to move it in a direction away from the rotating ring 82. In this embodiment, the telescopic drive member 31 is an electric push rod, the cylinder of the electric push rod is rotatably connected to the rotating ring 82, and the piston rod of the electric push rod is rotatably connected to the rotating frame 411. When the rotating frame 411 is perpendicular to the axis of the cage 2, the piston rod of the electric push rod is located inside the cylinder, that is, the electric push rod is in a retracted state. When the telescopic drive member 31 applies a force to the rotating frame 411, the rotating frame 411 is driven to rotate in multiple directions according to the connection between different sides of the rotating frame 411 and the rotating ring 82.

[0053] The implementation principle of a cross-linked polyethylene insulated power cable production device in an embodiment of the present application is as follows: during the wire reel loading process, first, the first rotating side 4111 is rotationally connected to the rotating ring 82. The telescopic drive member 31 applies a force to the rotating frame 411, and the rotating frame 411 rotates under the action of the force, driving the clamping assembly 42 to approach the discharge port 321, and the clamping assembly 42 clamps the wire reel at the discharge port 321. Then the rotating frame 411 rotates, and when the rotating frame 411 is parallel to the rotating seat. The rotating ring 82 rotates to make another set of grabbing mechanisms 4 correspond to the discharge port 321, and the multiple clamping assemblies 42 are cycled in sequence so that the wire reels are clamped. Then the sliding seat 81 slides to the specified position, and the second rotating side 4112 in the multiple sets of grabbing mechanisms 4 are rotationally connected to the rotating ring 82, and the first rotating side 4111 is disconnected from the rotating ring 82. At this time, the telescopic driving member 31 can drive the rotating frame 411 to rotate around the rotation axis of the second rotating side 4112, thereby driving the clamping assembly 42 to approach the stranding cage 2, thereby realizing synchronous loading of multiple wire drums.

[0054] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cross-linked polyethylene insulated power cable production device, comprising a frame (1) and a stranding cage (2) rotatably connected to the frame (1), characterized in that: The machine also includes a feeding device (3), the feeding device (3) including a feeding pipe (32) and a gripping mechanism (4), the feeding pipe (32) being provided with a discharge port (321), and the wire drum being able to be removed from the discharge port (321); the gripping mechanism (4) including a clamping assembly (42) and a movable assembly (41), the clamping assembly (42) being mounted on the movable assembly (41) for clamping the wire drum, the movable assembly (41) including a rotating frame (411) mounted on the frame (1), the rotating frame (411) including a first rotating side (4111) and a second rotating side (4111). 2), the first rotating side (4111) is close to the discharge port (321), and the second rotating side (4112) is close to the cage (2); the first rotating side (4111) and the second rotating side (4112) can be rotatably connected to the frame (1), the first rotating side (4111) is connected to the frame (1), the rotating frame (411) can drive the clamping assembly (42) close to the discharge port (321), the second rotating side (4112) rotates with the frame (1), and the rotating frame (411) can drive the clamping assembly (42) close to the cage (2); the grabber A sliding assembly (8) is provided between the mechanism (4) and the frame (1), the sliding assembly (8) comprising a sliding seat (81) and a rotating ring (82), the sliding seat (81) being slidably connected to the frame (1) in a direction parallel to the rotation axis of the cage (2), the rotating ring (82) being sleeved on the outside of the cage (2) and rotatably connected to the sliding seat (81); the grabbing mechanism (4) being mounted on the rotating ring (82) and being provided with a plurality of rotating rings (82) along the circumference of the rotating ring (82); the movable assembly (41) further comprising a control mechanism for controlling the connection and disconnection between the rotating frame (411) and the rotating ring (82). A connection control assembly (412); the connection control assembly (412) is provided with two groups corresponding to the first rotating side (4111) and the second rotating side (4112); the connection control assembly (412) includes a limit plate (4122) and a rotating shaft (4124); the limit plate (4122) is movably mounted on the rotating ring (82), and the rotating shaft (4124) is fixed on the rotating frame (411), and the limit plate (4122) can be moved to abut against the rotating shaft (4124), thereby preventing the rotating shaft (4124) from being displaced in a direction perpendicular to its own axis.

2. The cross-linked polyethylene insulated power cable production equipment according to claim 1, characterized in that: The connection control assembly (412) further includes a fixed block (4121), which is arranged between the rotating shaft (4124) and the rotating ring (82). The fixed block (4121) is fixedly connected to the rotating ring (82), and an open rotating groove (4123) is provided on the side of the fixed block (4121) close to the rotating shaft (4124). The rotating shaft (4124) can be embedded in the open rotating groove (4123) from the side of the fixed block (4121) away from the rotating ring (82). The limiting plate (4122) is installed on the fixed block (4121), and the movable limiting plate (4122) can block the opening of the open rotating groove (4123).

3. The cross-linked polyethylene insulated power cable production equipment according to claim 2, characterized in that: The side wall of the open rotation groove (4123) is in an arc shape, the limiting plate (4122) is an arc-shaped plate, and the limiting plate (4122) rotates on the fixed block (4121).

4. The cross-linked polyethylene insulated power cable production equipment according to claim 3, characterized in that: The number of the limiting plates (4122) is two, and the two limiting plates (4122) are respectively arranged on both sides of the open rotation groove (4123).

5. The cross-linked polyethylene insulated power cable production equipment according to claim 4, characterized in that: The two limiting plates (4122) are spaced apart in a direction parallel to their own rotational axes, a linkage bevel gear (61) is provided between the two limiting plates (4122), the linkage bevel gear (61) is rotatably connected to the fixed block (4121), and a tooth groove meshing with the linkage bevel gear (61) is provided on the limiting plate (4122).

6. The cross-linked polyethylene insulated power cable production equipment according to claim 5, characterized in that: A swing arm (71) is provided on one of the limit plates (4122), and the swing arm (71) extends in a direction perpendicular to the rotation axis of the limit plate (4122).

7. The cross-linked polyethylene insulated power cable production equipment according to claim 6, characterized in that: A linkage rod (72) is provided between the swing arms (71) on the two limit plates (4122), and both ends of the linkage rod (72) are rotatably connected to the swing arms (71).

8. The cross-linked polyethylene insulated power cable production equipment according to claim 1, characterized in that: A telescopic driving member (31) is provided on the rotating ring (82), and two ends of the telescopic driving member (31) are rotatably connected to the rotating ring (82) and the rotating frame (411), respectively. The telescopic driving member (31) can exert a force on the rotating frame (411) to cause it to move in a direction away from the rotating ring (82).

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