Cable with lightning protection device

Abstract

The invention relates to the technical field of cable lightning protection, in particular to a cable with a lightning protection device, which comprises a cable, mounting plates are arranged at the upper end and the lower end of the cable, the two mounting plates are fixedly connected with each other, cooling mechanisms capable of cooling the cable are fixedly connected to the opposite ends of the two mounting plates, and the cooling mechanisms can cool the cable. The opposite ends of the two mounting plates are fixedly connected with conductive blocks, the left and right ends of the conductive blocks are fixedly connected with trigger mechanisms, the trigger mechanisms are further fixedly connected to the upper end of a cable, the opposite ends of the two mounting plates are further fixedly connected with two mounting machine shells, and the outer wall of each mounting machine shell is fixedly connected with the adjacent conductive block; each trigger mechanism is located in the adjacent installation machine shell, the outer wall of each installation machine shell is further fixedly connected with a limiting mechanism capable of limiting and fixing the outer wall of the cable, the upper end of the conductive block located above the cable is fixedly connected with a lightning rod, and the bottom of the conductive block located below the cable is fixedly connected with a conductive wire.

Description

Technical Field

[0001] The present invention relates to the technical field of cable lightning protection, and specifically to a cable with a lightning protection device. Background Art

[0002] In modern society, whether it is for power transmission or communication signal transmission, cables play an indispensable role and are widely distributed in every corner of cities and remote areas. However, outdoor cables are often threatened by lightning strikes. The powerful current and instant high temperature generated by lightning strikes can cause serious damage to the cables.

[0003] Although traditional lightning protection means can play a certain protective role, they cannot completely avoid the harm of lightning strikes. During a lightning strike, the huge energy may cause the local temperature of the cable to rise sharply, resulting in the softening or even melting of the cable insulation material. Once the cable softens, under the action of gravity and external tensile force, the softened part is extremely easy to deform, affecting the internal wire structure and performance of the cable, reducing the transmission efficiency, and even causing a short-circuit fault, seriously affecting the power supply and communication quality. Moreover, if the softened cable is not processed in time, it may also cause potential safety hazards such as fires.

[0004] At present, there is a lack of devices in the market for effectively protecting and treating cables after they are softened by lightning strikes. The existing technologies cannot effectively fix the non-softened part of the cable when it softens, nor can they cool down the cable softened by high temperature in a timely manner. Therefore, it is extremely urgent to develop a lightning protection device that can both fix the non-softened cable to prevent the softened part from being pulled and deformed when the cable is struck by lightning and cool down the cable softened by high temperature.

[0005] After retrieval, it is found that the prior art with the publication number CN115603179A discloses a cable lightning protection device. The metal conductive plate is arranged in an arc shape and has a receiving cavity for receiving the cable; the insulating component is located in the receiving cavity and is fixedly connected to the metal conductive plate. The insulating component is used to insulate the metal conductive plate from the cable when the metal conductive plate is installed on the cable. In this way, when a lightning strike occurs, the metal conductive plate replaces the cable to bear the lightning strike and avoids the damage of the cable.

[0006] Therefore, based on the above retrieval and in combination with the existing ones, when the above solution is used, it only has the function of lightning protection for the cable, and it cannot cool down the cable when it is softened by lightning strikes and cannot effectively prevent the deformed cable after softening. For this reason, we have proposed a cable with a lightning protection device. Summary of the Invention

[0007] The purpose of the present invention is to provide a cable with a lightning protection device to solve the problems raised in the above background art.

[0008] To achieve the above purpose, the present invention provides the following technical solutions:

[0009] A cable with a lightning protection device, including a cable. Installation plates are provided at both the upper and lower ends of the cable. The two installation plates are fixedly connected to each other. At one end of the two installation plates facing each other, a cooling mechanism for cooling the cable is fixedly connected. The two cooling mechanisms can both cool the cable. At one end of each installation plate facing away from each other, a conductive block is fixedly connected. At both the left and right ends of the conductive block, a triggering mechanism is fixedly connected, and the triggering mechanism is also fixedly connected to the upper end of the cable. At one end of the two installation plates facing away from each other, two installation casings are also fixedly connected;

[0010] The outer wall of each installation casing is fixedly connected to the adjacent conductive block. Each triggering mechanism is located inside the adjacent installation casing. The outer wall of each installation casing is also fixedly connected with a limiting mechanism for limiting and fixing the outer wall of the cable. A lightning rod is fixedly connected to the upper end of the conductive block located above the cable, and a conducting wire is fixedly connected to the bottom of the conductive block located below the cable.

[0011] As a further improvement of this solution, the triggering mechanism includes a second connection shell, which is fixedly connected to the outer wall of the adjacent conductive block. One end of the second connection shell away from the conductive block is fixedly connected with a first connecting arc plate, and the bottom of the first connecting arc plate is fixedly connected to the upper end of the installation plate. A first piston plate is slidably connected between the bottom of the second connection shell and the installation plate.

[0012] As a further improvement of this solution, expansion oil is filled between the second connection shell, the first piston plate and the conductive block. A number of communication ports are also opened inside the conductive block. The first piston plate and the conductive block are fixedly connected by a number of first springs. On the side of the first connecting arc plate away from the conductive block, a second connecting arc plate is provided. A first connection shell is fixedly connected between the second connecting arc plate and the first connecting arc plate. A second piston plate is slidably connected between the bottom of the first connection shell and the upper end of the installation plate. Cooling liquid is filled between the first connection shell, the second connecting arc plate and the second piston plate.

[0013] As a further improvement of this solution, each second piston plate is fixedly connected to the adjacent first piston plate by two second connecting arms. The outer wall of the second connecting arm passes through the inside of the first connecting arc plate. Two first water permeable ports are opened inside the second piston plate. Each first water permeable port is fixedly connected to the first connecting arc plate by a folding tube. On the side of each first water permeable port close to the first connecting arc plate, a first blocking plate is provided, and the first blocking plate and the adjacent first water permeable port are fixedly connected by a number of first elastic telescopic rods, and the first blocking plate abuts against the inner wall of the first water permeable port.

[0014] As a further improvement of this solution, a second water permeable opening is provided inside the first baffle plate. A second baffle plate is provided at one end of the second water permeable opening close to the first water permeable opening. The second baffle plate is fixedly connected to the inner wall of the second water permeable opening through a second elastic telescopic rod. The outer wall of the second baffle plate abuts against the inner wall of the second water permeable opening. One end of the second piston plate away from the first connecting arc plate is fixedly connected to a first connecting arm. The first connecting arm is fixedly communicated with the folding pipe through a pipeline. The outer wall of the first connecting arm slidably penetrates inside the second connecting arc plate.

[0015] As a further improvement of this solution, the limiting mechanism includes a moving box. The bottom of the moving box abuts against the outer wall of the cable. The moving box is rotatably connected to the installation housing through two folding arms. The moving box is fixedly communicated with the first connecting arm.

[0016] As a further improvement of this solution, a third piston plate with a reset function is slidably connected to the inner wall of the moving box. A plurality of abutting strips are fixedly connected to the left end of the third piston plate.

[0017] As a further improvement of this solution, two contraction arms are provided on one side of each abutting strip away from the third piston plate. The contraction arms are fixedly connected to the bottom of the moving box. The bottom end of the inner wall of the contraction arm is fixedly connected to an abutting rod. The bottom of the contraction arm is fixedly connected to an abutting arc block.

[0018] As a further improvement of this solution, the cooling mechanism includes a cooling arc box. The cooling arc box is fixedly connected to the bottom of the installation plate. The bottom of the cooling arc box abuts against the outer wall of the cable. The cooling arc box is fixedly communicated with the moving box through a pipeline.

[0019] As a further improvement of this solution, a fourth piston plate is also slidably connected to the inner wall of the cooling arc box. A plurality of air ports are provided at the right end of the cooling arc box.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. All the abutting arc blocks can closely fit the outer wall of the cable to achieve fixed limit of the cable. When a lightning strike causes partial softening of the cable, the distance between the moving boxes at the left and right ends of the conductive block will become longer than before. In this way, a longer cable can be abutted and fixed, effectively preventing the cable at the softened part from being pulled by the cables at the unsoftened two ends, and preventing the cable from deforming due to uneven force, thus ensuring the integrity of the cable structure.

[0022] 2. The coolant filled in the cooling and bending arc box has high-efficient heat conduction performance. When the temperature of the cable rises sharply due to reasons such as lightning strikes, the coolant can quickly absorb the heat dissipated by the cable. This rapid heat exchange mechanism can effectively reduce the temperature of the cable, avoid problems such as damage to the insulation layer and deformation of the internal structure of the cable caused by continuous high temperature, extend the service life of the cable, and ensure the stability and reliability of power transmission or signal transmission. Brief Description of the Drawings

[0023] Figure 1 is the front view of a cable with a lightning protection device;

[0024] Figure 2 is the disassembled view of a cable with a lightning protection device;

[0025] Figure 3 is the schematic diagram of the internal structure of the first connection shell of a cable with a lightning protection device;

[0026] Figure 4 is the schematic diagram of the position structure of the first piston plate of a cable with a lightning protection device;

[0027] Figure 5 is the schematic diagram of the internal structure of the first water permeable port of a cable with a lightning protection device;

[0028] Figure 6 is the schematic diagram of the internal structure of the second water permeable port of a cable with a lightning protection device;

[0029] Figure 7 is the schematic diagram of the position structure of the cooling and bending arc box of a cable with a lightning protection device;

[0030] Figure 8 is the schematic diagram of the internal structure of the moving box of a cable with a lightning protection device;

[0031] Figure 9 is the schematic diagram of the internal structure of the contraction arm of a cable with a lightning protection device;

[0032] Figure 10 is the schematic diagram of the internal structure of the cooling and bending arc box of a cable with a lightning protection device.

[0033] In the figure: 1. Cable; 2. Mounting plate; 3. Mounting housing; 4. Lightning rod; 5. Conductive wire; 6. Conductive block; 7. Communication port; 8. First piston plate; 9. First connecting arc plate; 10. Second piston plate; 11. Cooling and bending arc box; 12. First connecting arm; 13. First connection shell; 14. Second connection shell; 15. Folding arm; 16. Moving box;

[0034] 17. Second connecting curved arc plate; 18. Second connecting arm; 19. First spring; 20. Folding tube; 21. First water permeable opening; 22. First elastic telescopic rod; 23. First blocking plate; 24. Second blocking plate; 25. Second water permeable opening; 26. Second elastic telescopic rod; 27. Abutting curved arc block;

[0035] 28. Abutting strip; 29. Inclined wall; 30. Abutting wheel; 31. Second spring; 32. Third piston plate; 33. Abutting rod; 34. Shrinking arm; 35. Third spring; 36. Air port; 37. Fourth piston plate; 38. Slide bar; 101. Trigger mechanism; 201. Limiting mechanism; 301. Cooling mechanism. Specific embodiments

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] Embodiment 1: Please refer to Figure 1 - Figure 4 As shown, a cable with a lightning protection device includes a cable 1. Installation plates 2 are arranged at both the upper and lower ends of the cable 1. The two installation plates 2 are fixedly connected to each other by bolts. Cooling mechanisms 301 capable of cooling the cable 1 are fixedly connected to one end of each of the two installation plates 2 facing each other. Each cooling mechanism 301 can cool the cable 1. Conductive blocks 6 are fixedly connected to one end of each of the two installation plates 2 facing away from each other. The conductive blocks 6 are made of copper material, and the copper material has good corrosion resistance and high temperature resistance characteristics. Trigger mechanisms 101 are fixedly connected to both the left and right ends of the conductive blocks 6, and the trigger mechanisms 101 are also fixedly connected to the upper end of the cable 1. Two installation casings 3 are also fixedly connected to one end of each of the two installation plates 2 facing away from each other;

[0038] The outer wall of each installation casing 3 is fixedly connected to the adjacent conductive block 6. Each trigger mechanism 101 is located inside the adjacent installation casing 3. A limiting mechanism 201 capable of limiting and fixing the outer wall of the cable is also fixedly connected to the outer wall of each installation casing 3. A lightning rod 4 is fixedly connected to the upper end of the conductive block 6 located above the cable 1. A conducting wire 5 is fixedly connected to the bottom of the conductive block 6 located below the cable 1, and the conducting wire 5 and the lightning rod 4 are prior arts and will not be elaborated here;

[0039] Embodiment 2: Please refer to Figure 3 - Figure 6As shown, the triggering mechanism 101 includes a second connecting shell 14, which is fixedly connected to the outer wall of the adjacent conductive block 6. One end of the second connecting shell 14 away from the conductive block 6 is fixedly connected with a first connecting curved plate 9. The bottom of the first connecting curved plate 9 is fixedly connected to the upper end of the mounting plate 2. A first piston plate 8 is slidably connected between the bottom of the second connecting shell 14 and the mounting plate 2. A cavity is formed inside the first connecting curved plate 9, and a number of holes are formed at the right end and the upper end of the first connecting curved plate 9. Each hole communicates with the cavity. When the first piston plate 8 moves towards the first connecting curved plate 9, the first piston plate 8 will push the air between the second connecting shell 14 and the first connecting curved plate 9 through the holes at the right end of the first connecting curved plate 9 into the cavity inside the first connecting curved plate 9. The gas inside the cavity will be discharged from the holes at the upper end of the first connecting curved plate 9, effectively preventing the first piston plate 8 from being blocked. Please refer to Figure 5 As shown, expansion oil is filled between the second connecting shell 14, the first piston plate 8 and the conductive block 6. When the conductive block 6 is struck by lightning, the lightning will pass through the conductive block 6 and the expansion oil. At this time, the temperature rises, which makes the thermal motion of oil molecules intensify and the intermolecular distance increase, resulting in the volume expansion of the oil. After the lightning strike, the temperature gradually decreases, the thermal motion of the expansion oil molecules slows down, the intermolecular distance recovers, and the volume of the oil also returns to its original state. A number of communication ports 7 are also formed inside the conductive block 6. The number of communication ports 7 allows the expansion oil at both ends of the conductive block 6 to communicate with each other. The first piston plate 8 and the conductive block 6 are fixedly connected by a number of first springs 19. The first springs 19 can drive the first piston plate 8 to quickly reset.

[0040] On the side of the first connecting curved arc plate 9 away from the conductive block 6, a second connecting curved arc plate 17 is provided. A first connecting shell 13 is fixedly connected between the second connecting curved arc plate 17 and the first connecting curved arc plate 9. A second piston plate 10 is slidably connected between the bottom of the first connecting shell 13 and the upper end of the mounting plate 2. A coolant is filled between the first connecting shell 13, the second connecting curved arc plate 17 and the second piston plate 10. Each second piston plate 10 is fixedly connected to the adjacent first piston plate 8 by two second connecting arms 18. The outer wall of the second connecting arm 18 passes through the inside of the first connecting curved arc plate 9. The two second connecting arms 18 are symmetrically distributed in the front and back between the second piston plate 10 and the first piston plate 8. Two first water permeable openings 21 are formed inside the second piston plate 10. The two first water permeable openings 21 are symmetrically distributed in the front and back inside the second piston plate 10. Each first water permeable opening 21 is fixedly connected to the first connecting curved arc plate 9 by a folding tube 20. On the side of each first water permeable opening 21 close to the first connecting curved arc plate 9, a first blocking plate 23 is provided. The first blocking plate 23 is located inside the adjacent folding tube 20, and the first blocking plate 23 is fixedly connected to the adjacent first water permeable opening 21 by a plurality of first elastic telescopic rods 22. The plurality of first elastic telescopic rods 22 are circumferentially distributed between the first water permeable opening 21 and the first blocking plate 23. The first blocking plate 23 abuts against the inner wall of the first water permeable opening 21;

[0041] A second water permeable opening 25 is formed inside the first blocking plate 23. And a second blocking plate 24 is provided at one end of the second water permeable opening 25 close to the first water permeable opening 21. The second blocking plate 24 is fixedly connected to the inner wall of the second water permeable opening 25 by a second elastic telescopic rod 26. The outer wall of the second blocking plate 24 abuts against the inner wall of the second water permeable opening 25. One end of the second piston plate 10 away from the first connecting curved arc plate 9 is fixedly connected to a first connecting arm 12. And the first connecting arm 12 and the folding tube 20 are fixedly connected and communicated through a pipeline. The outer wall of the first connecting arm 12 slidably passes through the inside of the second connecting curved arc plate 17;

[0042] Please refer to Figure 2 、 Figure 7 - Figure 9As shown in the figure, the limit mechanism 201 includes a moving box 16. The bottom of the moving box 16 abuts against the outer wall of the cable 1. The moving box 16 is rotatably connected to the installation housing 3 by two folding arms 15. The two folding arms 15 are symmetrically distributed in the front and back between the moving box 16 and the installation housing 3. The moving box 16 is fixedly communicated with the first connecting arm 12. A third piston plate 32 with a reset function is slidably connected to the inner wall of the moving box 16. The third piston plate 32 and the inner wall of the moving box 16 are fixedly connected by a number of second springs 31. The second springs 31 are made of stainless steel, and the stainless steel has good corrosion resistance and high temperature resistance characteristics. In terms of durability only, a number of abutting strips 28 are fixedly connected to the left end of the third piston plate 32. A weight-reducing hole is provided inside each abutting strip 28. An inclined wall 29 is provided at one end of the abutting strip 28 away from the third piston plate 32, and the inclined wall 29 is at an inclined angle;

[0043] On one side of each abutting strip 28 away from the third piston plate 32, there are two retractable arms 34. The retractable arms 34 are fixedly connected to the bottom of the moving box 16. The bottom end of the inner wall of the retractable arm 34 is fixedly connected with an abutting rod 33. A third spring 35 is fixedly connected to the inner wall of the retractable arm 34, and the third spring 35 is sleeved on the outer wall of the abutting rod 33. The third spring 35 can drive the retractable arm 34 to quickly reset. The upper end of the abutting rod 33 is also rotatably connected with an abutting wheel 30 through a rotating shaft. When the abutting strip 28 abuts against the abutting rod 33, the inclined wall 29 will first abut against the outer wall of the abutting wheel 30. The inclined wall 29 and the abutting wheel 30 can effectively reduce the friction between the abutting rod 33 and the abutting strip 28, thereby extending the service life of the abutting rod 33 and the abutting strip 28. The bottom of the retractable arm 34 is fixedly connected with an abutting arc block 27, and the bottom of the abutting arc block 27 is arc-shaped. The arc shape can better fit and abut against the outer wall of the cable 1;

[0044] Please refer to Figure 7 、 Figure 10 As shown in the figure, the cooling mechanism 301 includes a cooling arc box 11. The cooling arc box 11 is fixedly connected to the bottom of the installation plate 2. The bottom of the cooling arc box 11 abuts against the outer wall of the cable 1. The cooling arc box 11 is fixedly communicated with the moving box 16 through a pipeline. A fourth piston plate 37 is also slidably connected to the inner wall of the cooling arc box 11;

[0045] Specifically, two sliding rods 38 are fixedly connected to the inner wall of the cooling bending arc box 11. The two sliding rods 38 are symmetrically distributed front and back in the inner wall of the cooling bending arc box 11. Two sliding ports are also formed inside the fourth piston plate 37. The inner wall of each sliding port is in contact with the outer wall of the adjacent sliding rod 38. Lubricating oil is applied to the inner wall of the sliding port and the outer wall of the sliding rod 38. When the fourth piston plate 37 moves on the outer wall of the sliding rod 38 through the sliding port, the sliding rod 38 can limit the position of the fourth piston plate 37 through the sliding port and also has a guiding effect, thereby improving the stability of the fourth piston plate 37 during movement. Moreover, the lubricating oil can also reduce the friction between the sliding rod 38 and the sliding port, extending the service life of the sliding rod 38 and the sliding port. A number of air ports 36 are provided at the right end of the cooling bending arc box 11.

[0046] Please refer to Figure 2 , Figure 3 As shown in the figure, the mounting plate 2, the second connecting shell 14, the first connecting shell 13, the first piston plate 8, the mounting machine shell 3 and the folding arm 15 are all made of ceramic materials. Ceramic is an inorganic non-metallic material with very high hardness. At the same time, ceramic materials are also good insulators and can effectively prevent lightning strikes.

[0047] The working principle of the present invention is as follows:

[0048] During use, the bottom of the conductive wire 5 needs to be in contact with the ground. When the lightning rod 4 is struck by lightning, the lightning rod 4 will conduct the lightning to the conductive block 6, and then from the conductive block 6 to the conductive wire 5. At this time, the conductive wire 5 will conduct the electricity to the ground. At the moment of lightning strike, the conductive block 6 will instantly generate high temperature. At this time, one end of the cable 1 inside the conductive block 6 will soften due to the high temperature, while the two ends of the cable 1 that do not encounter high temperature will pull the softened section of the cable 1, resulting in an increase in tension and thus causing the cable 1 to deform. To prevent the cable 1 from deforming, when the conductive block 6 is at high temperature, it will transfer the heat to the expansion oil. The expansion of the expansion oil will push the first piston plate 8 towards the direction of the first connecting bending arc plate 9. The first connecting bending arc plate 9 will push the second piston plate 10 through the second connecting arm 18. When the second piston plate 10 moves, it will squeeze the coolant. The coolant will push open the first plug plate 23 inside the first water permeable port 21. The coolant will enter the folding tube 20, then from the folding tube 20 into the first connecting arm 12, then from the first connecting arm 12 into the moving box 16, and then from the moving box 16 into the cooling bending arc box 11. At this time, the fourth piston plate 37 is extruded and moves. When the fourth piston plate 37 moves to the left end of the inner wall of the cooling bending arc box 11, at this time, the cooling bending arc box 11 is full of coolant, which will have a cooling effect on the cable 1;

[0049] When the second piston plate 10 moves, the moving box 16 will also be moved through the first connecting arm 12. When the moving box 16 moves, it will drive the folding arm 15 to bend. At this time, the moving box 16 can move to a farther distance from the installation housing 3;

[0050] When the fourth piston plate 37 cannot move, the coolant inside the moving box 16 will push open the third piston plate 32 at this time, causing the third piston plate 32 to move to the left end. When the third piston plate 32 drives the abutting strip 28 to move, the abutting strip 28 will squeeze the abutting rod 33, and the abutting rod 33 will drive the retractable arm 34 to extend. The retractable arm 34 drives the abutting arc block 27 to abut against the outer wall of the cable 1. All the abutting arc blocks 27 can closely fit the outer wall of the cable 1 to realize the fixed limit of the cable 1. When a lightning strike causes part of the cable 1 to soften, the distance between the moving boxes 16 at the left and right ends of the conductive block 6 will become longer than before. In this way, a longer cable can be abutted and fixed, effectively preventing the softened part of the cable 1 from being pulled by the unsoftened two ends of the cable 1 and preventing the cable 1 from deforming due to uneven force, ensuring the integrity of the cable 1 structure;

[0051] When the expansion oil cools, it will drive the first piston plate 8 to reset. The first piston plate 8 will also indirectly drive the second piston plate 10 to reset. When the second piston plate 10 resets, at this time, the second piston plate 10 will perform a suction action in the space between the first connecting shell 13 and the second connecting arc plate 17. At this time, the second plug plate 24 will disengage from the inner wall of the second water permeable port 25, and the coolant will enter the space between the second piston plate 10, the first connecting shell 13 and the second connecting arc plate 17 through the second water permeable port 25. Since the aperture of the second water permeable port 25 is smaller than that of the first water permeable port 21, the reset speed of the second piston plate 10 will be restricted at this time, so that the abutting strip 28 can abut against the outer wall of the abutting rod 33 for a longer time, preventing the abutting arc block 27 from disengaging from the outer wall of the cable 1 before the cable is completely cooled. When the expansion oil is completely cooled, the second piston plate 10 and the first piston plate 8 are completely reset. At this time, the abutting arc block 27 will disengage from the outer wall of the cable 1, and the first connecting arm 12 will drive the moving box 16 to be completely reset.

[0052] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A cable with a lightning protection device, comprising a cable, characterized in that: The upper and lower ends of the cable are both provided with mounting plates, the two mounting plates are fixedly connected to each other, the opposite ends of the two mounting plates are both fixedly connected with a cooling mechanism that can cool the cable, each of the cooling mechanisms can cool the cable, the opposite ends of the two mounting plates are both fixedly connected with a conductive block, the left and right ends of the conductive block are both fixedly connected with a trigger mechanism, and the trigger mechanism is also fixedly connected to the upper end of the cable, and the opposite ends of the two mounting plates are also fixedly connected with two mounting housings; The outer wall of each mounting housing is fixedly connected to an adjacent conductive block, and each trigger mechanism is located inside an adjacent mounting housing. The outer wall of each mounting housing is also fixedly connected to a limiting mechanism that can limit and fix the outer wall of the cable. The upper end of the conductive block located above the cable is fixedly connected to a lightning rod, and the bottom of the conductive block located below the cable is fixedly connected to a conductive wire.

2. A cable with a lightning protection device according to claim 1, characterized in that: The trigger mechanism includes a second connecting shell, which is fixedly connected to the outer wall of an adjacent conductive block. The end of the second connecting shell away from the conductive block is fixedly connected to a first connecting curved plate. The bottom of the first connecting curved plate is fixedly connected to the upper end of a mounting plate. A first piston plate is slidably connected between the bottom of the second connecting shell and the mounting plate.

3. A cable with a lightning protection device according to claim 2, characterized in that: The second connecting shell, the first piston plate and the conductive block are filled with expansion oil, and a plurality of connecting ports are opened inside the conductive block. The first piston plate and the conductive block are fixedly connected by a plurality of first springs, a second connecting curved plate is arranged on the side of the first connecting curved plate away from the conductive block, the first connecting shell is fixedly connected between the second connecting curved plate and the first connecting curved plate, a second piston plate is slidably connected between the bottom of the first connecting shell and the upper end of the mounting plate, and coolant is filled between the first connecting shell, the second connecting curved plate and the second piston plate.

4. A cable with a lightning protection device according to claim 3, characterized in that: Each of the second piston plates is fixedly connected to the adjacent first piston plates via two second connecting arms, the outer wall of the second connecting arm is passed through the interior of the first connecting curved plate, two first water permeable openings are provided inside the second piston plate, each of the first water permeable openings is fixedly connected to the first connecting curved plate via a folding tube, a first blocking plate is provided on the side of each of the first water permeable openings close to the first connecting curved plate, and the first blocking plate is fixedly connected to the adjacent first water permeable openings via a plurality of first elastic telescopic rods, and the first blocking plate abuts against the inner wall of the first water permeable opening.

5. A cable with a lightning protection device according to claim 4, characterized in that: A second water permeable opening is provided inside the first blocking plate, and a second blocking plate is provided at one end of the second water permeable opening close to the first water permeable opening, and the second blocking plate is fixedly connected to the inner wall of the second water permeable opening by a second elastic telescopic rod, and the outer wall of the second blocking plate abuts against the inner wall of the second water permeable opening, and the end of the second piston plate away from the first connecting curved plate is fixedly connected to the first connecting arm, and the first connecting arm is fixedly connected to the folding tube through a pipeline, and the outer wall of the first connecting arm is slidably penetrated into the second connecting curved plate.

6. The cable with a lightning protection device according to claim 1, characterized in that: The limiting mechanism comprises a moving box, the bottom of which abuts against the outer wall of the cable, the moving box is rotationally connected to the mounting housing via two folding arms, and the moving box is fixedly connected to the first connecting arm.

7. A cable with a lightning protection device according to claim 6, characterized in that: The inner wall of the moving box is slidably connected to a third piston plate with a reset function, and a left end of the third piston plate is fixedly connected to a plurality of abutment bars.

8. The cable with a lightning protection device according to claim 7, characterized in that: Two retractable arms are arranged on one side of each abutment bar away from the third piston plate, and the retractable arms are fixedly connected to the bottom of the moving box, the bottom end of the inner wall of the retractable arm is fixedly connected to an abutment rod, and the bottom of the retractable arm is fixedly connected to an abutment bending arc block.

9. The cable with a lightning protection device according to claim 1, characterized in that: The cooling mechanism comprises a cooling arc bending box, which is fixedly connected to the bottom of the mounting plate, the bottom of the cooling arc bending box abuts against the outer wall of the cable, and the cooling arc bending box is fixedly connected to the moving box through a pipeline.

10. The cable with lightning protection device according to claim 9, characterized in that: The inner wall of the cooling and bending box is also slidably connected with a fourth piston plate, and the right end of the cooling and bending box is provided with a plurality of air ports.

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