Special device for live-line replacement of strain insulator

Abstract

The utility model relates to the technical field of power system maintenance equipment, in particular to a special device for live-line replacement of a strain insulator, which comprises a supporting assembly and an adjusting assembly, the supporting assembly comprises a supporting rod, the two ends of the supporting rod are respectively close to a cross arm, and the adjusting assembly is connected to the supporting rod. The adjusting assembly is used for fixing the supporting rod and the cross arm; according to the invention, the operation complexity of operators is reduced, and the efficiency and safety of live-line replacement of the strain insulator are improved.

Description

Technical Field

[0001] This application relates to the field of power system maintenance equipment technology, and in particular to a special device for live-line replacement of tension insulators. Background Technology

[0002] Live-line replacement of tension insulators is a common live-line work project in power systems. With the continuous development of power systems, the demand for live-line work is increasing, especially when replacing tension insulators on high-voltage transmission lines. Ensuring the safety of workers and improving work efficiency are particularly important. Currently, the main methods for live-line replacement of tension insulators include the insulating blanket shielding method, the insulating jack transfer method, and the multi-functional insulating platform. While these methods can accomplish the task, they still have many shortcomings in actual operation.

[0003] Existing methods for live-line replacement of tension insulators mainly include the following: insulating blanket shielding, which involves completely shielding the crossarm with insulating blankets to ensure that workers do not come into contact with the grounding electrode; insulating jack transfer method, which uses two insulating jacks to transfer the tension of the conductor, ensuring the conductor remains stable during replacement; and multi-functional insulating platforms, which integrate multiple functions such as insulating shielding and tension transfer. Each method has its own characteristics. The insulating blanket shielding method is relatively simple to operate and has a lower cost; the insulating jack transfer method can effectively disperse the tension of the conductor and ensure its stability; and the multi-functional insulating platform has a high degree of integration and is easy to operate.

[0004] While the aforementioned technologies and methods meet the requirements for live-line replacement of tension insulators to some extent, they still have some significant shortcomings. First, these methods generally require highly skilled operators, and the complex procedures can easily lead to misoperation and accidents. Second, insulating blankets and other shielding tools are easily damaged by burrs or other sharp objects on the crossarm during actual use, increasing the risk of accidents. Furthermore, traditional methods are often labor-intensive, time-consuming, and inefficient. Finally, while multi-functional insulation platforms are highly integrated, they are expensive, difficult to maintain, and unsuitable for all working environments. These problems not only limit the efficiency of live-line replacement of tension insulators but also pose significant safety risks to operators. Therefore, a new technical solution is urgently needed to address these issues. Utility Model Content

[0005] To overcome the above problems, this application provides a special device for live replacement of tension insulators.

[0006] The technical solution of the special device for live replacement of tension insulators provided in this application is as follows:

[0007] A special device for replacing tension insulators under live conditions includes a support assembly and an adjustment assembly. The support assembly includes a support rod with each end of the support rod close to a crossarm. The adjustment assembly is connected to the support rod and is used to fix the support rod and the crossarm.

[0008] By adopting the above technical solution, this special device for live-line replacement of tension insulators can effectively fix the support rod to the crossarm, ensuring stability and safety during operation. The design of the support rod allows it to adapt to crossarms with different spacings, and the adjustment component can fix the crossarm and support rod at any position, improving the applicability of the device. At the same time, the setting of the adjustment component makes installation and fixing more convenient, reduces the operational complexity of operators, and lowers the risk of misoperation. Overall, this device significantly improves the efficiency and safety of live-line replacement of tension insulators.

[0009] In one specific implementation, the adjustment assembly includes a first adjustment member and a second adjustment member. The first adjustment member includes a mating plate, which is connected to one end of the support rod. The mating plate is located at the bottom of the support rod and is an L-shaped plate. The mating plate and the support rod form a fixed area for the horizontal section of the crossarm to be inserted.

[0010] The second adjusting component includes a threaded hook and an adjusting nut. The support rod has a fixing hole at the end away from the mating plate. The threaded section of the threaded hook passes through the fixing hole. The threaded hook is slidably connected to the support rod. The sliding direction of the threaded hook is perpendicular to the length direction of the support rod. The threaded hook is used to suspend the vertical section of the crossbeam. The adjusting nut is located at the top of the support rod. The adjusting nut is threadedly engaged with the threaded section of the threaded hook.

[0011] By adopting the above technical solution, this special device for live-line replacement of tension insulators can quickly fix and position the crossarm, significantly improving the safety and convenience of the operation. Specifically, the fitting plate design of the first adjusting component allows the horizontal section of the crossarm to be firmly inserted and fixed, reducing safety hazards caused by crossarm loosening. At the same time, the combination of the threaded hook and adjusting nut of the second adjusting component can flexibly adjust the suspension position to adapt to crossarms of different sizes, ensuring the versatility and applicability of the device. In addition, the overall structure of the device is compact and the operation is simple, greatly reducing the labor intensity of the operators and improving work efficiency.

[0012] In one specific implementation, the first adjusting member further includes an adjusting seat and an adjusting screw. The adjusting seat is slidably connected to the support rod and is capable of reciprocating along the length of the support rod. The mating plate is fixed to the adjusting seat, and the adjusting screw passes through the adjusting seat and the support rod in sequence. The adjusting screw is used to fix the adjusting seat and the support rod.

[0013] By adopting the above technical solution, the adjustment seat and adjustment screw enable the first adjustment component to flexibly adjust its position along the length of the support rod, thereby adapting to crossarms with different spacing. The sliding connection design of the adjustment seat improves the applicability and flexibility of the device, allowing for quick adjustment to a suitable fixed position; the locking function of the adjustment screw ensures stability after adjustment, preventing loosening due to external factors, thus improving operational safety. In summary, this technical solution significantly improves the convenience and safety of live-line replacement of tension insulators.

[0014] In one specific implementation, the adjusting assembly further includes a first fastener and a second fastener. One end of the support rod is integrally provided with a hanging plate, which is located at the bottom of the support rod. An insertion gap is formed between the support rod and the hanging plate for the horizontal section of the crossarm to be inserted. The first fastener includes a fastening screw, which is located at the end of the support rod where the hanging plate is fixed. The fastening screw passes through the support rod and extends into the insertion gap to abut against the horizontal section of the crossarm.

[0015] The second fastener includes a stud, a suspension plate, and a fastening nut. A waist-shaped groove is provided at the top of the support rod away from the suspension plate, allowing the stud to slide. The waist-shaped groove extends along one side of the support rod from the top to the bottom. The stud moves towards or away from the fastening screw. The suspension plate is located at the bottom of the support rod and is L-shaped. One side of the suspension plate is integrally formed with the stud, and the opening of the suspension plate faces the support rod. The suspension plate and the stud form a suspension area for accommodating the vertical section of the crossarm. The fastening nut is located at the top of the support rod and is threadedly engaged with the stud.

[0016] By adopting the above technical solution, the positions of the support rod and crossarm can be flexibly adjusted and fixed under different working environments. Specifically, the design of the hanging plate and fastening screws allows the horizontal section of the crossarm to be easily inserted into the insertion gap between the support rod and the hanging plate, and then firmly fixed with the fastening screws, ensuring the stability and safety of the device during operation. The design of the stud, suspension plate, and fastening nut allows the vertical section of the crossarm to be firmly suspended from the support rod. The stud can slide in the slotted groove, and after being adjusted to a suitable position, it can be fixed with the fastening nut, thereby achieving reliable fixation of the vertical section of the crossarm and further enhancing the overall stability of the device. In summary, this design not only improves the adaptability and flexibility of the device, but also significantly enhances the safety and reliability of the operation, reducing safety hazards caused by insecure fixing.

[0017] In one specific implementation, the first fastener further includes a loop for a safety rope to pass through, the loop being fixed to the end of the fastening screw away from the support rod;

[0018] The second fastener also includes a retaining ring for suspending a safety rope, the retaining ring being rotatably connected to the end of the stud away from the suspension plate, and the retaining ring rotating toward or away from the hanging ring.

[0019] By adopting the above technical solution and adding hanging and fixing rings, the safety rope can be fixed at multiple points, improving worker safety and reducing safety hazards caused by single-point fixation failure. The fixing rings can rotate towards or away from the hanging rings, allowing for flexible adjustment of the safety rope's position according to actual conditions, adapting to different working environments and enhancing the device's applicability and ease of operation. The design of the hanging and fixing rings makes safety rope installation more convenient and quick, reducing worker workload and improving work efficiency.

[0020] In one specific implementation, the adjusting assembly further includes a rotating cylinder. The support rod has a rotating groove at one end near the threaded hook for receiving the threaded hook. The rotating groove is arranged along the length of the support rod and extends through the support rod from the top to the bottom. The rotating cylinder is located in the rotating groove and is rotatably connected to the support rod. The rotating cylinder reciprocates along the threaded hook to the mating plate side. The threaded hook passes through the rotating cylinder and is slidably connected to the rotating cylinder.

[0021] By adopting the above technical solution, the design of the rotating cylinder allows the threaded hook to rotate freely within the rotating groove, facilitating its fixation to the vertical section of the crossbeam during use and improving the flexibility and adaptability of the device. Simultaneously, when the device is not in use, the threaded hook can be retracted into the rotating groove, avoiding external interference and facilitating storage and transportation. Furthermore, the rotating connection design between the rotating cylinder and the support rod makes the position of the threaded hook more stable during use, enhancing the overall safety of the device.

[0022] In one specific implementation, a suspension assembly is further included. The suspension assembly is located at the end of the support rod near the threaded hook. The suspension assembly includes a suspension rod, a rotating seat, a connecting seat, and a pulley. The suspension rod is perpendicular to the support rod, with one end fixed to the support rod and the other end facing the bottom of the support rod. The rotating seat is rotatably connected to the end of the suspension rod away from the support rod. The connecting seat is rotatably connected to the side of the rotating seat away from the suspension rod. The connecting seat is a U-shaped seat with its opening facing away from the rotating seat. The pulley is located at the opening of the connecting seat and is rotatably connected to the connecting seat. The pulley is used to suspend the safety rope.

[0023] By adopting the above technical solutions, the suspension assembly can flexibly adjust the position of the safety rope, ensuring smooth operation of the safety rope at different angles and heights, improving the operational flexibility and safety of the workers, facilitating the lifting of the insulators that need to be replaced, and at the same time, the pulley design reduces the wear of the safety rope, extends the service life of the safety rope, and further improves the safety and reliability of the operation.

[0024] In one specific implementation, the support rod is fixed with a shackle for the safety rope to pass through at one end near the threaded hook, and the suspension rod is provided with a suspension hole for the safety rope to pass through at one end near the support rod.

[0025] By adopting the above technical solution, the addition of shackles and suspension holes allows safety ropes to be easily attached to support poles and suspension poles, improving the safety of workers when working at heights. At the same time, the design of the shackles and suspension holes simplifies the installation process of the safety rope, reduces operation time and complexity, and improves work efficiency.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. The designed live-line replacement device for tension insulators features a support rod design that allows it to adapt to crossarms with different spacings. The adjustment component can fix the crossarm and support rod at any position, improving the device's applicability. At the same time, the adjustment component makes installation and fixing more convenient, reducing the operational complexity for operators and lowering the risk of misoperation. Overall, this device significantly improves the efficiency and safety of live-line replacement of tension insulators.

[0028] 2. The designed live-line replacement device for tension insulators, with its threaded hook and adjusting nut combination in the second adjusting component, allows for flexible adjustment of the suspension position to accommodate crossarms of different sizes, ensuring the device's versatility and applicability. Furthermore, the device's overall structure is compact and easy to operate, significantly reducing the labor intensity of workers and improving work efficiency.

[0029] 3. The designed live-line replacement device for tension insulators facilitates the fixing of the threaded hook to the vertical section of the crossarm during use, improving the device's flexibility and adaptability. Furthermore, when not in use, the threaded hook can be retracted into the rotating slot, avoiding external interference and facilitating storage and transportation. In addition, the rotating connection design between the rotating cylinder and the support rod ensures a more stable position for the threaded hook during use, enhancing the overall safety of the device. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure from the first perspective in Embodiment 1.

[0031] Figure 2 This is a schematic diagram of the overall structure from the second perspective in Embodiment 1.

[0032] Figure 3 This is a schematic diagram of the overall structure in Example 2.

[0033] Figure 4 This is a schematic diagram of the overall structure in Example 3.

[0034] Figure 5 This is a partial schematic diagram of the adjustment component in Embodiment 3.

[0035] Explanation of reference numerals in the attached drawings: 1. Support assembly; 11. Support rod; 111. Add / remove buckle; 112. Sliding hole; 113. Fixing hole; 114. Hanging plate; 115. Waist-shaped groove; 116. Rotating groove; 2. Suspension assembly; 21. Suspension rod; 211. Suspension hole; 22. Rotating seat; 23. Connecting seat; 24. Pulley; 3. Adjustment assembly; 31. First adjusting component; 311. Adjusting seat; 312. Adjusting screw; 313. Fitting plate; 314. Fixing screw; 32. Second adjusting component; 321. Threaded hook; 322. Adjusting nut; 33. First fastener; 331. Fastening screw; 332. Hanging ring; 34. Second fastener; 341. Stud; 342. Suspension plate; 343. Fastening nut; 344. Fixing ring; 35. Rotating cylinder; 4. Crossbeam. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0037] This application discloses a special device for replacing tension insulators under live conditions.

[0038] Example 1

[0039] Reference Figure 1 A special device for replacing tension insulators under live conditions includes a support assembly 1, a suspension assembly 2, and an adjustment assembly 3, with the suspension assembly 2 and the adjustment assembly 3 both mounted on the support assembly 1.

[0040] Reference Figure 1 In this embodiment, the support assembly 1 includes a support rod 11, with each end of the support rod 11 close to a crossbeam 4, and the setting direction of the support rod 11 is perpendicular to the setting direction of the crossbeam 4. The support rod 11 can be a round rod or a rectangular rod. In this embodiment, the support rod 11 is preferably a rectangular rod, which facilitates increasing the friction between the support rod 11 and the crossbeam 4, thereby increasing the stability of the support rod 11 and the crossbeam 4. One end of the support rod 11 is provided with a detachable buckle 111, which is fixedly connected to the support rod 11 by screws. The detachable buckle 111 is used to suspend a safety rope.

[0041] Reference Figure 1 and Figure 2The suspension assembly 2 is located at the end of the support rod 11 near the detachable buckle 111. The suspension assembly 2 includes a suspension rod 21, a rotating seat 22, a connecting seat 23, and a pulley 24. The suspension rod 21 is perpendicular to the support rod 11. One end of the suspension rod 21 is welded to the support rod 11, and the other end faces the bottom of the support rod 11. A suspension hole 211 for a safety rope to pass through is opened at the end of the suspension rod 21 near the support rod 11. The rotating seat 22 is rotatably connected to one end of the suspension rod 21. The connecting seat 23 is located on the side of the rotating seat 22 away from the suspension rod 21. The connecting seat 23 is rotatably connected to the rotating seat 22 and rotates around the axis of the suspension rod 21. When the connecting seat 23 rotates to a suitable position, the connecting seat 23 can be fixed to the rotating seat 22 by screws. In this embodiment, the connecting seat 23 is a U-shaped seat, and the opening of the connecting seat 23 faces away from the rotating seat 22. The pulley 24 is located at the opening of the connecting seat 23 and is rotatably connected to the connecting seat 23. The pulley 24 rotates around the axis perpendicular to the suspension rod 21. The pulley 24 is used to suspend the safety rope and can lift the insulator that needs to be replaced.

[0042] Reference Figure 1 The adjusting assembly 3 includes a first adjusting member 31 and a second adjusting member 32. Each adjusting member 31 and 32 is located near one end of the support rod 11. In this embodiment, the first adjusting member 31 is located near the end of the support rod 11 away from the detachable buckle 111. The first adjusting member 31 includes an adjusting seat 311, an adjusting screw 312, a fitting plate 313, and a fixing screw 314. The adjusting seat 311 is sleeved on the support rod 11 and slidably connected to the support rod 11. The adjusting seat 311 can slide back and forth along the length of the support rod 11. Sliding holes 112 are spaced apart along the length of the support rod 11 near the adjusting seat 311. The adjusting screws 312 are sequentially inserted into the adjusting holes. The joint seat 311 and the sliding hole 112, and the adjusting screw 312 are sequentially threaded to the adjusting seat 311 and the support rod 11. The adjusting screw 312 fixes the adjusting seat 311 and the support rod 11. The mating plate 313 is located at the bottom of the adjusting seat 311. In this embodiment, the mating plate 313 is an L-shaped plate. One end of the mating plate 313 is welded to the adjusting seat 311. The opening of the mating plate 313 faces the suspension rod 21. The mating plate 313 and the support rod 11 form a fixing area for the horizontal section of the crossarm 4 to be inserted. The fixing screw 314 passes through the thickness of the mating plate 313 and abuts against the crossarm 4. The fixing screw 314 can fix the mating plate 313 and the crossarm 4, and the fixing screw 314 is threaded to the mating plate 313.

[0043] Reference Figure 1 and Figure 2The second adjusting member 32 is located at the end of the support rod 11 near the detachment buckle 111. The second adjusting member 32 includes a threaded hook 321 and an adjusting nut 322. The support rod 11 has a fixing hole 113 at the end near the detachment buckle 111. The threaded section of the threaded hook 321 passes through the fixing hole 113. The threaded hook 321 is slidably connected to the support rod 11, and the sliding direction of the threaded hook 321 is perpendicular to the length direction of the support rod 11. The opening of the hook section of the threaded hook 321 faces the suspension rod 21. The threaded hook 321 is used to suspend the vertical section of the crossbeam 4. The adjusting nut 322 is located at the top of the support rod 11, and the adjusting nut 322 is threadedly engaged with the threaded section of the threaded hook 321. The adjusting nut 322 can fix the threaded hook 321 to the support rod 11.

[0044] The implementation principle of Example 1 is as follows: When it is necessary to use the special device for live replacement of tension insulators, firstly, personnel carry the special device for live replacement of tension insulators and climb to the top of the pole. Then, the support is set up on the crossarm 4. The support rod 11 and the crossarm 4 are fixed by the adjustment component 3. Then, the safety rope is passed through the shackle 111 and the suspension hole 211. The safety rope is connected to the support rod 11 and the suspension component 2. Then the insulator replacement operation is carried out.

[0045] When it is necessary to fix the support rod 11 and the crossarm 4 by adjusting the assembly 3, firstly, according to the distance between two adjacent crossarms 4, drive the adjusting seat 311 to move. By observation, the adjusting seat 311 is moved to a suitable position. The adjusting seat 311 and the support rod 11 are fixed by adjusting screw 312. At this time, the horizontal section of one of the crossarms 4 is inserted into the fixing area between the mating plate 313 and the adjusting seat 311. The mating plate 313 is fixed by fixing screw 314. Then, the position of the threaded hook 321 is adjusted so that the threaded hook 321 suspends and fixes the vertical section of the other crossarm 4. The threaded hook 321 is then fixed to the support rod 11.

[0046] Example 2

[0047] Reference Figure 3 The difference between this embodiment and embodiment 1 is that the adjusting component 3 further includes a first fastener 33 and a second fastener 34. One end of the support rod 11 is provided with a hanging plate 114, which is located at the bottom of the support plate. The hanging plate 114 is integrally formed with the support rod 11, and an insertion gap is formed between the support rod 11 and the hanging plate 114 for the horizontal section of the crossarm 4 to be inserted. The first fastener 33 includes a fastening screw 331 and a hanging ring 332. The fastening screw 331 is located at the end of the support rod 11 where the hanging plate 114 is fixed. The fastening screw 331 passes through the support rod 11 and extends into the insertion gap. When the horizontal section of the crossarm 4 is located in the insertion gap, the fastening screw 331 can press against the horizontal section of the crossarm 4. The hanging ring 332 is welded to the end of the fastening screw 331 away from the support rod 11 and is used for the safety rope to pass through.

[0048] Reference Figure 3 The second fastener 34 includes a stud 341, a suspension plate 342, a fastening nut 343, and a retaining ring 344. A waist-shaped groove 115 is provided at the top of the support rod 11 away from the hanging plate 114, allowing the stud 341 to slide. The waist-shaped groove 115 extends through the support rod 11 from the top to the bottom. The stud 341 can move towards or away from the hanging ring 332. The stud 341 passes through the waist-shaped groove 115. The suspension plate 342 is located at the bottom of the support rod 11. In this embodiment, the suspension plate 342 is an L-shaped plate, with one side of the suspension plate 342 integrally formed with the stud 341. The opening of 2 faces the support rod 11. The suspension plate 342 and the stud 341 form a suspension area for the vertical section of the crossbeam 4 to be accommodated. The fastening nut 343 is located at the top of the support rod 11 and is threadedly engaged with the stud 341. The fastening nut 343 can fix the stud 341 to the support rod 11. The fixing ring 344 is located at the end of the stud 341 away from the suspension plate 342. The fixing ring 344 is rotatably connected to the stud 341 and can rotate away from or towards the hanging ring 332. The fixing ring 344 is used to suspend the safety rope and facilitates the adjustment of the distance between two adjacent safety ropes.

[0049] The implementation principle of Example 2 is as follows: When it is necessary to use the special device for live replacement of tension insulators, firstly, personnel carry the special device for live replacement of tension insulators and climb to the top of the pole. Then, the support is set up on the crossarm 4, and the support rod 11 and the crossarm 4 are fixed by the fastening assembly. Then, the safety rope is passed through the hanging ring 332 and the fixing ring 344. The safety rope is connected to the support rod 11, and then the insulator replacement operation is carried out.

[0050] When it is necessary to fix the support rod 11 and the crossarm 4 by means of fastening components, firstly, according to the distance between two adjacent crossarms 4, drive the stud 341 to move. By observation, the stud 341 is moved to a suitable position, and the stud 341 and the support rod 11 are fixed by fastening the nut 343. At this time, the vertical section of one crossarm 4 is located in the suspension area, and at the same time, the horizontal section of the other crossarm 4 is located in the insertion gap. The crossarm 4 is then tightened by fastening the screw 331.

[0051] Example 3

[0052] Reference Figure 4 and Figure 5The difference between this embodiment and embodiment 1 is that the adjusting assembly 3 also includes a rotating cylinder 35. The support rod 11 has a rotating groove 116 at one end near the threaded hook 321 for the threaded hook 321 to be accommodated. The rotating groove 116 is arranged along the length of the support rod 11 and extends through the support rod 11 from the top to the bottom. The rotating cylinder 35 is located in the rotating groove 116 and is rotatably connected to the support rod 11. The rotating cylinder 35 reciprocates along the threaded hook 321 to the mating plate 313. The threaded hook 321 passes through the rotating cylinder 35 and is slidably connected to the rotating cylinder 35. When it is not necessary to use the special device for replacing tension insulators under live conditions, the threaded hook 321 is located in the rotating groove 116, which is convenient for placement or removal.

[0053] The implementation principle of Example 3 is as follows: When it is necessary to use the special device for replacing tension insulators under energized conditions, the operator rotates the threaded hook 321 so that the threaded hook 321 is perpendicular to the support rod 11 and fixed to the vertical section of the crossarm 4. The threaded hook 321 is then fixed to the support rod 11 by adjusting the nut 322. After the special device for replacing tension insulators under energized conditions is used, the operator screws the adjusting nut 322 and then rotates the threaded hook 321 so that the threaded hook 321 is located in the rotating groove 116.

[0054] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A special device for live-line replacement of tension insulators, characterized in that: It includes a support assembly (1) and an adjustment assembly (3). The support assembly (1) includes a support rod (11) with each end of the support rod (11) close to a crossbeam (4). The adjustment assembly (3) is connected to the support rod (11) and is used to fix the support rod (11) and the crossbeam (4).

2. The special device for live-line replacement of tension insulators according to claim 1, characterized in that: The adjustment assembly (3) includes a first adjustment member (31) and a second adjustment member (32). The first adjustment member (31) includes a fitting plate (313). The fitting plate (313) is connected to one end of the support rod (11). The fitting plate (313) is located at the bottom of the support rod (11). The fitting plate (313) is an L-shaped plate. The fitting plate (313) and the support rod (11) form a fixed area for the horizontal section of the crossbeam (4) to be inserted. The second adjusting component (32) includes a threaded hook (321) and an adjusting nut (322). The support rod (11) has a fixing hole (113) at one end away from the mating plate (313). The threaded section of the threaded hook (321) passes through the fixing hole (113). The threaded hook (321) is slidably connected to the support rod (11). The sliding direction of the threaded hook (321) is perpendicular to the length direction of the support rod (11). The threaded hook (321) is used to suspend the vertical section of the crossbeam (4). The adjusting nut (322) is located at the top of the support rod (11). The adjusting nut (322) is threadedly engaged with the threaded section of the threaded hook (321).

3. The special device for live-line replacement of tension insulators according to claim 2, characterized in that: The first adjusting member (31) further includes an adjusting seat (311) and an adjusting screw (312). The adjusting seat (311) is slidably connected to the support rod (11). The adjusting seat (311) can slide back and forth along the length direction of the support rod (11). The mating plate (313) is fixed to the adjusting seat (311). The adjusting screw (312) is sequentially inserted through the adjusting seat (311) and the support rod (11). The adjusting screw (312) is used to fix the adjusting seat (311) and the support rod (11).

4. The special device for live-line replacement of tension insulators according to claim 1, characterized in that: The adjustment assembly (3) further includes a first fastener (33) and a second fastener (34). One end of the support rod (11) is integrally provided with a hanging plate (114). The hanging plate (114) is located at the bottom of the support rod (11). An insertion gap is formed between the support rod (11) and the hanging plate (114) for inserting the horizontal section of the crossbeam (4). The first fastener (33) includes a fastening screw (331). The fastening screw (331) is located at the end of the support rod (11) where the hanging plate (114) is fixed. The fastening screw (331) passes through the support rod (11) and extends into the insertion gap to abut against the horizontal section of the crossbeam (4). The second fastener (34) includes a stud (341), a suspension plate (342), and a fastening nut (343). The top of the support rod (11) away from the suspension plate (114) has a waist-shaped groove (115) for the stud (341) to slide. The waist-shaped groove (115) extends through the support rod (11) from top to bottom. The stud (341) moves towards or away from the fastening screw (331). The suspension plate (342) is located... At the bottom of the support rod (11), the suspension plate (342) is an L-shaped plate. One side of the suspension plate (342) is integrally set on the stud (341). The opening of the suspension plate (342) faces the support rod (11). The suspension plate (342) and the stud (341) form a suspension area for the vertical section of the crossbeam (4) to be accommodated. The fastening nut (343) is located at the top of the support rod (11). The fastening nut (343) is threadedly engaged with the stud (341).

5. A special device for live-line replacement of tension insulators according to claim 4, characterized in that: The first fastener (33) further includes a loop (332) for a safety rope to pass through, the loop (332) being fixed to the end of the fastening screw (331) away from the support rod (11); The second fastener (34) further includes a retaining ring (344) for suspending a safety rope, the retaining ring (344) being rotatably connected to the end of the stud (341) away from the suspension plate (342), the retaining ring (344) rotating toward the side away from or toward the hanging ring (332).

6. A special device for live-line replacement of tension insulators according to claim 2, characterized in that: The adjustment assembly (3) further includes a rotating cylinder (35). The support rod (11) has a rotating groove (116) at one end near the threaded hook (321) for the threaded hook (321) to be accommodated. The rotating groove (116) is arranged along the length direction of the support rod (11) and extends through the support rod (11) from the top to the bottom. The rotating cylinder (35) is located in the rotating groove (116) and is rotatably connected to the support rod (11). The rotating cylinder (35) reciprocates along the threaded hook (321) to the mating plate (313). The threaded hook (321) passes through the rotating cylinder (35) and is slidably connected to the rotating cylinder (35).

7. A special device for live-line replacement of tension insulators according to claim 6, characterized in that: It also includes a suspension assembly (2), which is located at one end of the support rod (11) near the threaded hook (321). The suspension assembly (2) includes a suspension rod (21), a rotating seat (22), a connecting seat (23), and a pulley (24). The suspension rod (21) is perpendicular to the support rod (11). One end of the suspension rod (21) is fixed to the support rod (11), and the other end faces the bottom side of the support rod (11). The rotating seat (22) rotates. The connecting seat (23) is rotatably connected to the rotating seat (22) on the side away from the suspension rod (21) and connected to the end of the suspension rod (21). The connecting seat (23) is a U-shaped seat with its opening facing away from the rotating seat (22). The pulley (24) is located at the opening of the connecting seat (23) and is rotatably connected to the connecting seat (23). The pulley (24) is used to suspend the safety rope.

8. A special device for live-line replacement of tension insulators according to claim 7, characterized in that: The support rod (11) has a shackle (111) for the safety rope to pass through at one end near the threaded hook (321), and the suspension rod (21) has a suspension hole (211) for the safety rope to pass through at one end near the support rod (11).

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