Distribution wire dismounting method and dismounting device thereof

Abstract

The invention relates to a power distribution wire dismantling method and a dismantling device thereof, and aims to solve the problems of safety and efficiency in a power distribution wire dismantling process when crossing complex road sections such as highways and railways. According to the method, by means of the steps of building a crossing frame matched with the height of the wire, arranging a safety protection facility and a steerable paying-off pulley, using a synchronous winching machine to pull an insulating rope, transitionally using a light-weight pulling rope, combining an unmanned aerial vehicle for crossing and the like, safe and efficient dismantling of the power distribution wire is achieved. The method does not need to implement road closure measures, can adapt to complex road sections, practically reduces the operation risk, improves the dismantling efficiency, and is suitable for power distribution wire dismantling operation in various crossing scenes.

Description

Technical Field

[0001] This invention relates to the technical field of power distribution conductor removal methods, and in particular to a power distribution conductor removal method and removal device. Background Technology

[0002] Traditional methods of dismantling power distribution lines, when crossing highways, railways, and other road sections, lack targeted safety isolation and crossing solutions, necessitating temporary road closures to ensure operational safety. Road closures not only cause traffic disruptions and congestion, increasing social transportation costs, but also require complex approval processes, leading to project delays. Furthermore, traffic management during road closures requires significant human and material resources, further increasing construction costs, which seriously contradicts the requirements of modern engineering for efficiency and convenience.

[0003] Furthermore, when removing overhead wires in complex terrains such as rivers and mountains, traditional methods mainly rely on the deployment of large machinery or manual pulling. However, complex terrain often cannot support the weight of large equipment or provide suitable working sites (for example, there are no equipment docking points on both sides of rivers, and temporary supports cannot be built in mountainous areas); manual crossing faces high risks such as falls and drowning, and the undulating terrain can cause instability in the traction path, easily leading to problems such as wire twisting and breakage, resulting in a lower success rate and a significantly higher accident rate.

[0004] Meanwhile, the traction ropes used in traditional demolition operations are large in diameter and heavy, requiring ground equipment for traction and making them unsuitable for lightweight crossing tools such as drones. In complex terrain conditions such as rivers and mountains, ground equipment struggles to reach both ends of the crossing point, preventing the traction rope from completing the crossing and laying of cables. Even if manual pulling is used, uneven tension in the traction rope due to terrain obstacles exacerbates wear and even breaks, further limiting the feasibility of construction in complex environments.

[0005] In summary, traditional methods lack effective safety protection systems in scenarios involving closed roads and complex terrain. When crossing highways, the lack of dedicated crossing frames for isolation makes it highly likely that the guide wire or traction rope will fall and cause traffic accidents. When crossing rivers and mountains, the lack of fall prevention and anti-derailment measures makes the traction rope prone to coming off the pulley due to terrain interference, causing the guide wire to fall uncontrollably into water or valleys, which can not only damage equipment but also pollute the environment or threaten the safety of nearby residents. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention proposes a method and device for removing power distribution conductors. This method and device are independent of the ground environment, and by using multi-stage traction ropes in conjunction with a drone, the conductors can be removed in the air, effectively reducing interference from environmental factors.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A method for removing power distribution conductors, characterized in that: S1. Construct crossing frames on both sides of the crossing section that can accommodate the height of the conductors to be removed, facilitate positioning and movement, and prevent wear and leakage of the traction ropes. S2. Set up safety protection measures on both sides of the work area, and suspend line-laying pulleys on the crossarm of the tower that can adapt to different traction directions and reduce friction loss; S3. Connect insulated traction rope I to both ends of the conductor, and connect the end of insulated traction rope I away from the conductor to two winches whose traction tension can be controlled synchronously. S4. Start the winch through the synchronous control module to maintain consistent tension and smoothly pull the conductor to one side of the crossing section; S5. Connect the traction rope II to the insulated traction rope I. The traction rope II has lightweight and high strength characteristics. Use the winch to pull the traction rope II to one side of the road section. S6. Connect the traction rope II to the drone through a fixing mechanism that can fix the traction rope II and prevent tangling, and control the drone to fly to the other side of the road section.

[0008] Preferably, the traction rope II is composed of at least two traction rope segments connected in sequence, wherein the diameter of the latter traction rope segment is smaller than the diameter of the former traction rope segment in two adjacent traction rope segments.

[0009] Preferably, the diameter of each segment of the traction rope II is smaller than that of the traction rope I, and the diameters of the multiple segments of the traction rope II decrease in a stepwise manner compared to those of the traction rope I.

[0010] Preferably, after performing step S and before performing step S, the method further includes: installing temporary guy wires on the tension towers of the conductors on both sides.

[0011] Preferably, a wire-laying pulley is rotatably connected to the crossarm of the tower via a support mechanism. The support mechanism includes a mounting frame, and a hook is fixedly connected to the mounting frame, with the hook being hung in a through hole on the crossarm.

[0012] Preferably, a limiting pulley is rotatably connected to the upper side of the line-laying pulley, and traction rope I and traction rope II are located between the limiting pulley and the line-laying pulley. A sliding groove I is provided on the mounting frame, and the limiting pulley moves vertically relative to the mounting frame through the sliding groove I. Furthermore, a driving mechanism IV is provided on one side of the limiting pulley, and the limiting pulley has a downward movement tendency through the driving mechanism IV.

[0013] Preferably, the drive mechanism IV includes an auxiliary support pulley arranged parallel to the wire feeding pulley. The auxiliary support pulley is kept at a fixed longitudinal height with the limiting pulley by a timing plate. The mounting frame has a groove II for the auxiliary support pulley, and the auxiliary support pulley moves vertically relative to the mounting frame through the groove II.

[0014] Preferably, the fixing mechanism is located below the UAV. The fixing mechanism includes a positioning frame, on which a wire roller is rotatably connected. A driving mechanism I is provided on the wire roller, and an adhesive plate is wound on the wire roller. The traction rope II can adhere to the surface of the adhesive plate. In step S, the winch removes the tension force on the traction rope II.

[0015] Preferably, a clamping plate is rotatably connected to the positioning frame, and a driving mechanism II is provided on one side of the clamping plate. When the sub-traction rope is embedded between the clamping plate and the roller, the clamping plate rotates to bring the sub-traction rope abutting against the surface of the roller.

[0016] Preferably, the drive mechanism I includes a coil spring with one end fixedly connected to the positioning frame and the other end fixedly connected to the wire roller. The drive mechanism II includes two tension springs with their axial ends movably connected to the positioning frame and the clamping plate, respectively. The tension springs provide downward tension to the clamping plate. A positioning plate is provided on the upper side of the clamping plate. The positioning plate is movably connected to the clamping plate via a pull rope. The positioning plate is slidably connected to the positioning frame. A limit gear is fixedly connected to the axial end of the wire roller. A limit block is provided on the side of the positioning plate near the limit gear for the teeth of the limit gear. A longitudinal support block is provided on the positioning frame for the positioning plate. When the limit block is embedded in the teeth of the limit gear, the positioning plate abuts against the longitudinal support block. A drive mechanism III is provided on one side of the positioning plate.

[0017] Compared with the prior art, the beneficial effects of the present invention are: This invention uses a lightweight traction rope II combined with drones for crossing, which can complete the wiring of complex road sections without road closures and is suitable for various crossing scenarios such as highways and railways. The process design of synchronous traction and drone assistance greatly shortens the operation time, improves the dismantling efficiency, and reduces labor and equipment costs, and has broad application prospects. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the dismantling process of the present invention.

[0019] Figure 2 This is a schematic diagram of the demolition site conditions for the present invention.

[0020] Figure 3 for Figure 2 A magnified view of point A in the middle.

[0021] Figure 4This is a schematic diagram of the overall structure of the support mechanism of the present invention.

[0022] Figure 5 This is a schematic diagram showing the positional relationship between slide groove I and slide groove II of the present invention.

[0023] Figure 6 This is a schematic diagram showing the positional relationship between the line-laying pulley and the auxiliary support pulley of the present invention.

[0024] Figure 7 This is a schematic diagram of the overall structure of the fixing mechanism of the present invention.

[0025] Figure 8 This is a schematic diagram showing the connection relationship between the roller and the limiting gear of the present invention.

[0026] Figure 9 This is a schematic diagram showing the cooperation relationship between the positioning frame and the clamping plate of the present invention.

[0027] Figure 10 This is a schematic diagram showing the cooperation relationship between the positioning plate and the clamping plate of the present invention.

[0028] In the diagram: 1. Wire; 2. Fixing mechanism; 201. Positioning frame; 202. Clamping plate; 203. Adhesive plate; 204. Wire roller; 205. Limiting gear; 206. Coil spring; 207. Limiting block; 208. Longitudinal support block; 209. Positioning plate; 210. Pull rope; 211. Tension spring; 3. UAV; 4. Pull line; 5. Traction rope II; 6. Winch; 7. Traction rope I; 8. Crossbeam; 9. Support mechanism; 901. Mounting frame; 902. Hook; 903. Auxiliary support pulley; 904. Synchronization plate; 905. Wire release pulley; 906. Limiting pulley; 907. Slide groove I; 908. Slide groove II; 909. Bearing. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] Please refer to Figure 1-10 The core objective of this invention is to provide a safe, efficient, and highly adaptable solution for dismantling power distribution conductors, particularly suitable for dismantling power distribution conductors crossing complex road sections such as highways, railways, rivers, and buildings. Addressing the technical problems of traditional dismantling operations, such as unstable traction, easy wear of traction ropes, difficulties in laying cables across road sections, and insufficient safety protection, this invention achieves automation, precision, and safety in dismantling operations by optimizing the dismantling process and designing specialized supporting devices, effectively improving operational efficiency and reducing operational risks.

[0032] Please refer to Figure 1 , Figure 2 The power distribution conductor removal method of this invention achieves the smooth and safe removal of conductor 1 through precise step-by-step operation and the use of specialized equipment. Its core logic is as follows: first, a safety protection and support foundation is built; then, conductor 1 is moved using synchronous traction; finally, a lightweight traction rope, in conjunction with a drone 3, completes the wiring connection across road sections, forming a complete closed loop for the removal operation. The steps defined in claim 1 are described in detail below: Step S1: Constructing the scaffolding The core purpose of step S1 is to provide a safe isolation and support foundation for the dismantling operation across the road section, to prevent the conductor 1 or the traction rope from falling into the road section (such as highways, railways, etc.) during the dismantling process and causing safety accidents, while preventing the traction rope from being worn due to friction with objects around the road section, and to avoid the risk of leakage caused by residual charge on the line or the surrounding environment being electrified.

[0033] In practice, the first step is to survey the site environment of the crossing section to determine parameters such as the height of the conductor 1 to be removed, the width of the crossing section, and the distribution of surrounding obstacles. Based on the survey results, the crossing frame is determined to be erected on both sides of the crossing section, ensuring that the frame's installation area completely covers the area crossed by conductor 1 and avoids blind spots. The crossing frame must be adaptable to the height of the conductor 1 to be removed; that is, the top of the crossing frame should be slightly lower than the conductor 1 to be removed, ensuring that the frame can provide timely support for the conductor 1 when necessary. Meanwhile, the crossing frame used in this device is a conventional crossing frame, which can be constructed on-site using steel pipes or bamboo poles. It is particularly important to note that in order to achieve effective protection without blocking the road, the upper end of the crossing frame is equipped with an outward cantilever section.

[0034] To prevent wear and leakage of the traction rope, an insulating protective layer is installed on the top of the crossing frame and at the points of contact with the traction rope. This insulating protective layer is made of high-strength insulating material. On the one hand, it prevents direct contact between the traction rope and the metal structure of the crossing frame, reducing frictional loss and extending the rope's service life. On the other hand, it blocks current conduction, preventing current from being conducted to the ground or work area through the crossing frame in case of residual charge on the conductor to be removed, induced electricity in the surrounding environment, or accidental leakage, thus ensuring the safety of workers. During construction, it is essential to ensure that the insulating protective layer is intact and undamaged, and that the insulation performance of the connection points between each module unit is good, avoiding any weak points in the insulation.

[0035] Step S2: Setting up safety protection measures and suspending the 905 line-laying pulley. Step S2 builds upon the system established in Step S1, further improving the operational safety protection system and providing guiding support for the subsequent traction of conductor 1, thereby reducing frictional losses during the traction process.

[0036] Safety protection measures should be set up on both sides of the work area, including: setting up safety warning signs such as warning lights, warning tapes, and warning signs at the boundaries of the work area to clearly define the work scope and prohibit non-work personnel from entering; assigning dedicated personnel to guard the perimeter of the work area, especially when crossing busy traffic sections such as highways and railways, and coordinating with traffic management departments to set up temporary traffic control facilities to guide vehicles and pedestrians to detour and avoid interfering with traffic or causing safety accidents during the work; in addition, workers must wear full sets of safety protective equipment, and fall protection nets should be set up in the work area to prevent tools or parts from falling and injuring people during the work.

[0037] Suspend the wire-laying pulley 905 on the crossarm 8 of the tower (please refer to...). Figure 3 The core function of the line-laying pulley 905 is to guide the traction rope and the conductor 1, reducing frictional loss during the traction process and adapting to different traction directions. Traditional line-laying pulleys 905 are mostly fixed in direction; when the traction direction changes, friction between the traction rope and the pulley edge can easily occur, leading to increased wear of the traction rope and even breakage. In this embodiment, the line-laying pulley 905 can adapt to different traction directions, specifically through a rotatable mounting structure. This allows the line-laying pulley 905 to flexibly adjust its angle according to the traction direction of the traction rope, ensuring that the traction rope always fits snugly against the pulley groove and avoiding edge friction. Simultaneously, the pulley groove surface is treated with a smooth, wear-resistant material to further reduce the coefficient of friction, decrease frictional loss, and ensure the smoothness of the traction process.

[0038] When suspending the wire-laying pulley 905, it is necessary to ensure that the pulley's suspension position is accurate and aligned with the traction path of the wire 1 to be removed. This is to avoid deviations in the traction direction due to suspension position errors, which would increase traction resistance. The suspension strength of the pulley must be rigorously verified to ensure it can withstand the weight and traction tension of the wire 1 and the traction rope, preventing the pulley from falling off and causing a safety accident.

[0039] Step S3: Connecting the insulated traction rope I7 and deploying the winch 6 Step S3 is a key preparatory step for realizing the traction of conductor 1. The conductor 1 is connected to the winch 6 by the insulated traction rope I7, providing a power transmission channel for subsequent synchronous traction.

[0040] First, install an insulated traction rope I7 at each end of conductor 1, for a total of two ropes. When connecting, use a special connector to ensure a secure connection and prevent the rope from coming loose during traction.

[0041] Two common connection methods can be used: First, a wedge clamp connection. Select a clamp that matches the specifications of conductor 1 and traction rope I7. Insert the end of conductor 1 into the wedge groove of the clamp, and then insert one end of the corresponding traction rope I7 into the other side. Tighten the bolts to tighten the wedge structure, achieving a secure connection. This method offers high load-bearing strength, is easy to install, and is suitable for most power distribution conductors. Second, a crimp-type connector connection. First, strip the outer insulation layer (traction rope I7 is made of insulating material) from the connection ends of conductor 1 and the corresponding traction rope I7. Insert the cores of both into a dedicated crimp connector. Use a hydraulic crimping tool to crimp the connector, ensuring a tight fit between the connector and the core, forming a reliable connection. This connection method offers good sealing and stable connection strength, suitable for operational scenarios with high reliability requirements. Each connector must have insulation properties that match the insulation properties of the insulated traction rope I7 to prevent leakage risks. After connection, both connection points must be inspected to ensure proper installation and no looseness.

[0042] Subsequently, the ends of the two insulated traction ropes I7 furthest from the conductor 1 are connected to the two winches 6 one-to-one. The purpose of using two winches 6 in conjunction with the two traction ropes I7 is to achieve synchronous traction at both ends of the conductor 1, ensuring consistent tension at both ends during traction and preventing the conductor 1 from twisting, shifting, or even damaging the conductor 1 or the tower structure due to excessive or insufficient tension at one end. The winches 6 must have the function of synchronously controlling the traction tension; that is, the two winches 6 work collaboratively through the same control signal, maintaining consistent traction speed and force. When deploying the winches 6, the two winches 6 should be placed at the corresponding ends of the conductor 1 in the work area, ensuring that the traction path of each insulated traction rope I7 is smooth, without obvious bends or obstacles, and preventing the traction ropes from jamming or wearing out during traction.

[0043] In addition, both insulated traction ropes I7 must possess sufficient strength and insulation performance to jointly bear the weight of conductor 1 and the tension during the traction process, while simultaneously blocking current conduction to ensure operational safety. When selecting insulated traction ropes I7, the FZ / T 63050-2019 standard "Insulated Electric Traction Ropes" should be referenced. Based on the specifications, weight, and other parameters of the conductor 1 to be removed, ensure that the load-bearing capacity of the traction rope meets the operational requirements, while also complying with the technical requirements for electrical performance and mechanical strength.

[0044] Step S4: Synchronous traction displacement of conductor 1 Step S4 is the core traction step for removing conductor 1. The winch 6 is started by the synchronous control module to achieve smooth traction and displacement of conductor 1.

[0045] In practice, the parameters of the two winches 6 are first set through the synchronization control module, including traction speed and traction tension threshold. The core function of the synchronization control module is to collect the operating parameters of the two winches 6 in real time, such as speed and traction force, and dynamically adjust the operating status of the two winches 6 to ensure that they always remain synchronized. When the traction force or speed of one winch 6 deviates, the synchronization control module immediately sends an adjustment signal to make the other winch 6 make corresponding adjustments to avoid inconsistent tension.

[0046] After starting the winch 6, the traction process must be carried out slowly and smoothly, avoiding sudden acceleration or deceleration. During the traction process, a designated person should monitor the status of the conductor 1 in real time, including whether the conductor 1 is twisted or misaligned, whether the connection points of the two insulated traction ropes I7 are secure, and whether the crossing frame and the wire-laying pulley 905 are working properly. If any abnormality is found, both winches 6 must be stopped immediately through the synchronization control module, and the traction operation can only continue after the fault has been rectified.

[0047] The goal of this step is to smoothly pull conductor 1 to one side of the road section, creating conditions for the subsequent deployment of traction rope II5. The endpoint of the pull needs to be planned in advance to ensure that pulling conductor 1 to this position will not interfere with the surrounding environment or subsequent operations, while also facilitating the connection between traction rope II5 and insulated traction rope I7.

[0048] Step S5: Connection and traction of traction rope II5 and insulated traction rope I7 The core objective of step S5 is to replace the insulated traction rope I7 with a lightweight, high-strength traction rope II5 to complete the wiring across the road section, laying the foundation for the subsequent traction crossing by the UAV 3. Since the insulated traction rope I7 must have the strength to bear the weight of the conductor 1, its weight and diameter are relatively large, making it inconvenient for the UAV 3 to traction cross. Therefore, traction rope II5 is used as a transitional traction component to achieve flexible wiring across the road section.

[0049] First, connect the traction rope II5 to the insulated traction rope I7. Use a dedicated quick connector to ensure a secure connection and easy disassembly. Either a snap-fit ​​quick connector or a threaded quick connector can be used: A snap-fit ​​quick connector consists of a male and a female part. Secure one end of the traction rope II5 to the male part and one end of the insulated traction rope I7 to the female part. Align the snap-fit ​​structure of the male and female parts and press them into place until a "click" is heard, indicating the connection is complete. This method is simple to operate and allows for quick connection and separation, facilitating subsequent operation switching. A threaded quick connector connects through the engagement of internal and external threads. An internal sealing washer and anti-slip texture are incorporated into the connector. Tightening not only ensures connection strength but also improves the sealing of the connection area, preventing impurities from entering and causing wear. This method is suitable for scenarios involving complex road conditions. The quick connector must possess high strength to withstand the subsequent traction of the UAV 3 and potential tension transmission, while avoiding jamming or wear at the connection point. After connection, a strength test must be performed on the connection area to ensure it meets traction requirements.

[0050] In addition, the traction rope II5 is composed of at least two traction rope segments connected in sequence. In two adjacent traction rope segments, the diameter of the latter traction rope segment is smaller than the diameter of the former traction rope segment; and the diameter of each traction rope segment is smaller than that of the traction rope I7.

[0051] It is worth noting that the diameter of the multi-segment traction rope II5 decreases in a stepped manner compared to traction rope I7. The core principle of this stepped decreasing structure is to match traction ropes of different diameters according to the force requirements at different stages of the traction process, so as to minimize the overall weight of traction rope II5 while ensuring traction strength, thus laying the foundation for the smooth traction of UAV 3.

[0052] Meanwhile, the structure also has the significant advantage of improved replaceability, allowing for flexible selection of an appropriate number of sub-traction ropes based on the actual construction conditions: for example, in scenarios with a narrow span and simple construction environment, a smaller number of sub-traction ropes can be used to simplify the operation process; in scenarios with a wide span and complex construction environment (such as strong winds or many obstacles), a larger number of sub-traction ropes can be used, achieving more stable traction through a more precise diameter reduction, thereby improving operational adaptability.

[0053] Specifically, the traction rope I7 has the largest diameter and is used to support the weight of the conductor 1. Its diameter needs to be determined based on the specifications and weight of the conductor 1 to be removed. The first segment of traction rope II5 has a smaller diameter than traction rope I7, the second segment has a smaller diameter than the first segment, and so on, forming a complete stepped decreasing structure. This structural design ensures that the diameter of the traction rope is precisely matched with the stress requirements. Traction rope I7 bears the main tension of the conductor 1, while the diameter of each segment of traction rope II5 decreases progressively according to the stress changes at each stage of traction. This not only meets the strength requirements of the traction operation at each stage but also significantly reduces the overall weight of traction rope II5, allowing the UAV 3 to more easily complete the crossing traction operation.

[0054] In practical applications, the stepped decreasing diameter difference needs to be precisely calculated to ensure a smooth transition of force between adjacent traction ropes. This avoids stress concentration caused by excessive diameter differences, while also preventing poor weight reduction due to insufficient diameter differences. The connection between the sub-traction ropes can use the aforementioned threaded quick-connect couplings, or a braided splicing method. This involves braiding the core ends of two adjacent sub-traction rope sections together for a length not less than 20 times the diameter of the traction rope, and then securing it with dedicated binding tape or adhesive tape. This ensures that the strength of the connection point is not less than the strength of the sub-traction rope itself, preventing the segmented connection points from becoming weak points under stress.

[0055] Subsequently, the winch 6 is used to pull the tow rope II5 to one side of the crossing section. At this time, the pulling speed of the winch 6 needs to be adjusted appropriately, which can be increased compared to the speed when pulling the guide wire 1, but it still needs to be kept stable to avoid excessive stretching or twisting of the tow rope II5. During the pulling process, the status of the tow rope II5 needs to be monitored in real time to ensure that its pulling path is smooth, without obstacles, and without loose connections. After the tow rope II5 is pulled to one side of the crossing section, the winch 6 is stopped, and preparations are made for subsequent connection with the drone 3.

[0056] Step S6: Connection of traction rope II5 to UAV 3 and crossing traction operation Step S6 is a key step in realizing the cross-section wiring. Drone 3 carries the tow rope II5 to fly to the other side of the cross-section to complete the cross-section deployment of the tow rope II5, laying the foundation for the final removal of the conductor 1.

[0057] First, the tow rope II5 needs to be connected to the drone 3 via the fixing mechanism 2. The core function of the fixing mechanism 2 is to secure the tow rope II5, preventing it from loosening, falling off, or getting tangled during the flight of the drone 3, thereby ensuring the stability and safety of the towing process. The fixing mechanism 2 is located below the drone 3 and is firmly connected to the fuselage of the drone 3, ensuring that it can withstand the weight of the tow rope II5 and external forces such as wind resistance during flight.

[0058] During the connection process, the free end of the traction rope II5 must be securely fixed to the fixing mechanism 2. Simultaneously, in step S6, the tension on the traction rope II5 must be released using the winch 6 to relax it, preventing the UAV 3 from experiencing difficulty taking off or excessive stress during flight due to tension, which could affect flight stability. When releasing the tension, it should be done slowly to avoid sudden slack in the traction rope II5 causing impact to the connection point and damaging the connection structure.

[0059] Subsequently, the drone 3 is controlled to fly to the other side of the road section. Before flight, the flight path of drone 3 needs to be planned to avoid obstacles in the road section and ensure a smooth path. During flight, the operator needs to monitor the flight status of drone 3, the connection status of tow rope II5, and changes in the surrounding environment (such as wind speed and wind direction) in real time. If severe weather or emergencies occur, the flight attitude must be adjusted immediately, and if necessary, the flight should be stopped until the environmental conditions improve before continuing the operation.

[0060] Once the drone 3 flies to the predetermined position on the other side of the crossing section, it secures the free end of the traction rope II 5 to the fixed point on that side, completing the deployment of the traction rope II 5. At this point, the traction rope II 5 has crossed the entire crossing section, providing a traction channel for the subsequent traction crossing or eventual removal of the conductor 1.

[0061] Furthermore, regarding the dismantling process described above, after step S1 and before step S2, temporary guy wires 4 can be installed on the tension towers of the conductors 1 on both sides. The core purpose of this step is to enhance the stability of the tension towers and prevent them from tilting, deforming, or even collapsing due to uneven stress during the traction of the conductors 1, thus ensuring operational safety.

[0062] Tension towers are crucial for bearing the tension of conductor 1 in power distribution lines. During the removal of conductor 1 from the traction system, the tension on the tower changes, especially when conductor 1 is pulled and displaced. The direction and magnitude of this tension dynamically change, and insufficient tower stability can lead to safety hazards such as tilting. Therefore, a temporary guy wire 4 is added as a fixing device to provide additional support to the tower, balancing the tension generated by conductor 1 and ensuring tower stability.

[0063] In practice, after the crossing frame is erected in step S1, temporary guy wire 4 fixing devices are immediately installed on the tension towers on both sides. First, based on the tower structure and traction scheme, the number and direction of the temporary guy wires 4 are determined. Typically, multiple temporary guy wires 4 are arranged on both sides or around the towers to form a stable support system. Then, the temporary guy wire 4 fixing devices are quickly fixed to the preset positions on the towers, the temporary guy wires 4 are connected, and the angle of the guy wires 4 is adjusted using the angle adjustment mechanism to ensure the guy wires 4 are under tension. Finally, the tension monitoring module is activated to ensure the monitoring data is normal. If abnormal tension is detected, the tension of the guy wires 4 is adjusted promptly until the requirements are met.

[0064] The addition of this step improves the safety protection system of the dismantling method. By enhancing the stability of the tower, it further reduces the safety risks of traction operations and provides a reliable guarantee for the smooth implementation of subsequent steps.

[0065] Please refer to Figure 3 - Figure 6 Furthermore, to reduce relative friction between the conductor 1, traction rope I 7, traction rope II 5 and the line-laying pulley 905 caused by jamming during operation, and to ensure a smooth traction path and improve traction stability, this device has a line-laying pulley 905 rotatably connected to the tower crossarm 8 via a support mechanism 9.

[0066] The support mechanism 9 includes a mounting bracket 901, and a hook 902 is fixedly connected to the mounting bracket 901. The hook 902 is hung in a through hole on the crossarm 8. The core purpose of this structure is to achieve quick and secure installation of the line-feeding pulley 905, while allowing the line-feeding pulley 905 to rotate flexibly to adapt to different traction directions.

[0067] The support mechanism 9 is a key component connecting the wire-laying pulley 905 and the crossarm 8 of the tower. Its core components are the mounting frame 901 and the hook 902. The mounting frame 901 is made of high-strength metal material and has sufficient load-bearing capacity for mounting the wire-laying pulley 905 and the hook 902. The hook 902 is fixedly connected to the top of the mounting frame 901. The shape of the hook 902 is adapted to the through hole on the crossarm 8, and it adopts a U-shaped or J-shaped structure for easy and quick hanging into the through hole of the crossarm 8. The inner side of the hook 902 is provided with an anti-slip pad to increase the friction between the hook 902 and the through hole of the crossarm 8, preventing the hook 902 from shifting or falling off due to vibration during traction.

[0068] The line-laying pulley 905 is rotatably connected to the mounting bracket 901 via a rotating shaft. A bearing 909 is installed between the rotating shaft and the pulley to reduce frictional resistance during pulley rotation, allowing the pulley to rotate flexibly. The pulley's groove adopts an arc-shaped structure, which is adapted to the diameter of the traction rope, ensuring that the traction rope can roll in close contact with the groove and avoiding derailment or edge friction.

[0069] During installation, workers use climbing equipment to carry the support mechanism 9 to the crossarm 8 of the tower, align the hook 902 with the through hole on the crossarm 8, and directly attach it in place, eliminating the need for complex fixing procedures and achieving rapid installation. After installation, the hook 902 must be checked to ensure it is secure and reliable. Then, the traction rope is placed in the groove of the line-laying pulley 905, and subsequent traction operations can begin. This installation structure is not only convenient to install but also allows for easy adjustment of the pulley position according to traction needs, improving operational flexibility.

[0070] Furthermore, to fully prevent foreign objects from getting stuck between the wire-laying pulley 905 and the mounting frame 901 due to the complex on-site environment when the wire-laying pulley 905 rotates, thus causing the wire-laying pulley 905 to jam, this device adds a limiting pulley 906 on the upper side of the wire-laying pulley 905 and designs an adjustable structure that can move up and down, further improving the guiding stability of the traction rope and preventing the traction rope from derailing.

[0071] Specifically, the upper side of the wire-laying pulley 905 is rotatably connected to the limiting pulley 906, and the traction rope I7 and traction rope II5 are located between the limiting pulley 906 and the wire-laying pulley 905; the mounting frame 901 is provided with a sliding groove I907, and the limiting pulley 906 moves vertically relative to the mounting frame 901 through the sliding groove I907. Furthermore, a drive mechanism IV is provided on one side of the limiting pulley 906, and the limiting pulley 906 has a downward movement tendency through the drive mechanism IV. This can apply downward pressure to the wire 1, traction rope I7, and traction rope II5 through the drive mechanism IV, so that they are in close contact with the wire-laying pulley 905, thereby overcoming the frictional resistance generated by external foreign objects on the wire-laying pulley 905 and ensuring that the wire-laying pulley 905 can rotate smoothly.

[0072] In addition, the limiting pulley 906 can also limit the vertical movement of the traction rope, forming a clamping guide structure with the line-laying pulley 905. This confines the traction rope between the two, preventing it from slipping out of the pulley groove due to vibration or changes in direction during traction, thus ensuring the smoothness and safety of the traction process. The limiting pulley 906 is arranged parallel to the line-laying pulley 905, with its groove aligned with that of the line-laying pulley 905, ensuring the smooth passage of the traction rope.

[0073] Specific working principle: When the traction rope passes between the limiting pulley 906 and the line-laying pulley 905, the limiting pulley 906 presses the traction rope downward under the action of the drive mechanism IV. Depending on the diameter of the traction rope, the limiting pulley 906 will move up or down along the groove I 907, automatically adjusting the distance between them to adapt to traction ropes of different diameters (such as traction rope I 7 and traction rope II 5). When the traction rope vibrates or tends to derail, the pressing force of the limiting pulley 906 can promptly confine the traction rope within the groove, preventing it from derailing. At the same time, the downward pressure applied by the limiting pulley 906 to the conductor 1, traction rope I 7, and traction rope II 5 can force the line-laying pulley 905 to rotate, preventing relative sliding between the conductor 1, traction rope I 7, traction rope II 5 and the line-laying pulley 905.

[0074] Specifically, the drive mechanism IV includes an auxiliary support pulley 903 arranged in parallel with the wire feeding pulley 905. The auxiliary support pulley 903 is kept at a fixed longitudinal height with the limit pulley 906 through the synchronization plate 904, that is, the auxiliary support pulley 903 can drive the limit pulley 906 to move downward during the downward movement.

[0075] Accordingly, the mounting bracket 901 has a sliding groove II 908 for the auxiliary support pulley 903, and the auxiliary support pulley 903 moves vertically relative to the mounting bracket 901 through the sliding groove II 908.

[0076] Furthermore, the sliding groove II 908 on the mounting bracket 901 is arranged parallel to the sliding groove I 907. The two ends of the rotating shaft of the auxiliary support pulley 903 are embedded in the sliding groove II 908, providing guidance for the up and down movement of the auxiliary support pulley 903. The auxiliary support pulley 903 is arranged side by side with the line-laying pulley 905, and its groove direction is consistent with that of the line-laying pulley 905. When the traction rope passes through, the auxiliary support pulley 903 can provide additional support force for the traction rope, further improving the stability of traction.

[0077] In practice, the conductor 1, traction rope I7, and traction rope II5 are laid on the auxiliary support pulley 903. The downward pressure exerted by their own weight and traction tension on the auxiliary support pulley 903 causes the limiting pulley 906 to have a downward movement tendency, ensuring the clamping effect of the limiting pulley 906 on the traction rope. In addition, the presence of the auxiliary support pulley 903 can also prevent the conductor 1, traction rope I7, and traction rope II5 from forming large bends at the release pulley 905: Due to the limited position of the winch 6, the conductor 1 and traction rope are prone to forming a near 90° bend with a small bending diameter at the release pulley 905. This small radius bend can easily lead to damage to the conductor 1 or the traction rope. The auxiliary support pulley 903 can provide pre-support and guidance for the conductor 1 and traction rope, effectively increasing the bend diameter, making the angle change of the conductor 1, traction rope I7, and traction rope II5 smoother, reducing local stress concentration, and reducing the risk of wear and breakage.

[0078] Please refer to Figure 7 - Figure 10 Furthermore, to prevent the traction rope II5 from sagging in the final stage and causing safety hazards, the restraint and fixing mechanism 2 of this device is set below the drone 3. The fixing mechanism 2 includes a positioning frame 201, on which a wire roller 204 is rotatably connected. The wire roller 204 is equipped with a drive mechanism I, which allows the wire roller 204 to rotate. This allows the traction rope II5 to be wound around the wire roller 204 when it is fixed relative to the wire roller 204 (the diameter and weight of the traction rope II5 are relatively small at this stage), thus preventing the traction rope II5 from sagging.

[0079] Specifically, to secure the roller 204 to the traction rope II5, an adhesive plate 203 is wound around the roller 204, allowing the traction rope II5 to adhere to the surface of the adhesive plate 203. Meanwhile, in step S6, the winch 6 removes the tension force on the traction rope II5, which ensures that the end of the traction rope II5 can move freely during the rotation of the wire roller 204.

[0080] The positioning frame 201 is the basic support component of the fixing mechanism 2. It is made of lightweight, high-strength materials, such as carbon fiber composite materials, which can withstand the weight of the tow rope II5 and external forces during flight without excessively increasing the load on the UAV 3. The positioning frame 201 is fixedly connected to the underside of the UAV 3 via bolts or quick connectors to ensure a secure connection and prevent loosening or detachment during flight.

[0081] The thread roller 204 is rotatably connected to the positioning frame 201 and is used to wind the adhesive plate 203 and the traction rope II 5. The surface of the thread roller 204 is smooth, which facilitates the winding and unwinding of the adhesive plate 203. The drive mechanism I is used to drive the thread roller 204 to rotate, controlling the release or retraction of the adhesive plate 203 and the traction rope II 5. In this embodiment, the drive mechanism I is preferably driven by a coil spring 206, which has a simple structure, requires no additional power source, and can realize the automatic reset of the thread roller 204.

[0082] The adhesive plate 203 is a double-sided pin adhesive plate 203, which utilizes its own structural characteristics to achieve relative fixation with the traction rope II5. Based on the adhesive characteristics of the double-sided pin adhesive plate 203, the traction rope II5 needs to be made of a material with a surface that can reliably adhere to the double-sided pin adhesive plate 203 and has lightweight and high strength. Specifically, ultra-high molecular weight polyethylene fiber rope, aramid fiber rope, etc. can be selected. These materials have a certain rough texture on the surface, which can form an effective interlocking adhesion with the needle-like structure of the double-sided pin adhesive plate 203. At the same time, they have low density and high strength, which can ensure the bonding and fixation effect while meeting the strength requirements of the UAV 3 for traction and crossing traction. When connecting the traction rope II5, simply press one end of the traction rope II5 onto the surface of the double-sided pin adhesive plate 203 to achieve quick fixation, which is convenient to operate.

[0083] In step S6, the winch 6 removes the tension on the traction rope II5, so that the traction rope II5 is in a slack state.

[0084] Furthermore, in order to reduce the load requirements on the UAV 3 and avoid the operational risks caused by the UAV 3 actively falling to achieve relative fixation between the adhesive plate 203 and the traction rope II 5, this device has a clamping plate 202 rotatably connected to the positioning frame 201. A drive mechanism II is provided on one side of the clamping plate 202. When the sub-traction rope is embedded between the clamping plate 202 and the roller 204, the clamping plate 202 rotates to bring the sub-traction rope abutting against the surface of the roller 204.

[0085] Specifically, the drive mechanism I includes a coil spring 206, one end of which is fixedly connected to the positioning frame 201, and the other end of which is fixedly connected to the wire roller 204. In the initial state, the coil spring 206 can be manually adjusted to a tightened state on the ground. When the clamping plate 202 pushes the traction rope to abut against the adhesive plate 203, the coil spring 206 can be released through an additional structure. At this time, the coil spring 206 can drive the wire roller 204 to rotate.

[0086] Accordingly, to constrain the coil spring 206, a limiting gear 205 is fixedly connected to the axial end of the online roller 204. A limiting block 207 is provided in the teeth of the limiting gear 205, and the limiting block 207 is rotatably connected to the positioning frame 201. In this state, the sliding limiting block 207 can limit and release the coil spring 206.

[0087] Specifically, the drive mechanism II includes a tension spring 211, whose two axial ends are movably connected to the positioning frame 201 and the clamping plate 202, respectively. The tension spring 211 continuously provides a downward pulling force to the clamping plate 202. Figure 10 As shown, the position of the tension spring 211 determines that it can provide an upward thrust to the end of the clamp 202 near the adhesive plate 203.

[0088] In addition, a positioning plate 209 is provided on the upper side of the clamping plate 202. The positioning plate 209 is movably connected to the clamping plate 202 via a pull rope 210. In the initial state, the positioning plate 209 can be moved upward to allow the tension spring 211 to accumulate elastic potential energy, while maintaining a large opening between the clamping plate 202 and the adhesive plate 203 to accommodate the sub-traction rope. When the sub-traction rope enters the gap between the clamping plate 202 and the adhesive plate 203, the positional constraint applied to the positioning plate 209 can be released. At this time, the potential energy accumulated by the tension spring 211 is released, and the clamping plate 202 pushes the sub-traction rope so that it can abut against the adhesive plate 203.

[0089] Furthermore, the device constrains the positioning plate 209 and the limiting block 207 to be fixedly connected, and the positioning frame 201 is provided with a longitudinal support block 208 for the positioning plate 209. In this state, by constraining the positioning plate 209 and the longitudinal support block 208 to abut when the limiting block 207 is embedded in the teeth of the limiting gear 205, the longitudinal support block 208 can be used to constrain the position of the positioning plate 209 and the limiting block 207.

[0090] In addition, a drive mechanism III is provided on one side of the positioning plate 209 to change the position of the positioning plate 209. When the limiting block 207 and the longitudinal support block 208 are not on the same horizontal plane, the supporting effect of the longitudinal support block 208 on the limiting block 207 will be ineffective.

[0091] Therefore, in the initial state, the operator manually pushes the positioning plate 209 upwards to its top of the stroke, and then pushes it horizontally so that the limiting block 207 can engage with the teeth of the limiting gear 205. At this time, the longitudinal support block 208 is located below the limiting block 207. When the roller 204 needs to wind the traction rope, simply pushing the positioning plate 209 horizontally in the opposite direction will reset the positioning plate 209 and the limiting block 207 under the action of the tension spring 211.

[0092] Furthermore, such as Figure 10 As shown, the drive mechanism III can be auxiliary push plates on both sides of the positioning plate 209. In practice, the positioning plate 209 can be horizontally pushed by the impact of the auxiliary push plates by the traction rope.

[0093] The specific workflow is as follows: This workflow is designed based on the core requirements of safety, efficiency, and strong adaptability, and is suitable for power distribution line removal operations across complex road sections such as highways, railways, rivers, and buildings. By integrating the operation of specialized equipment with precise step-by-step control, the operation achieves automation, precision, and safety, avoiding problems such as unstable traction, traction rope wear, wiring difficulties, and insufficient safety protection throughout the process.

[0094] I. Preliminary Preparation Stage Step 1: On-site environmental survey A comprehensive survey was conducted on the crossing section to determine key parameters such as the height of the conductor to be removed, the width of the crossing section, and the distribution of surrounding obstacles, providing data support for the subsequent construction of the crossing frame, equipment deployment, and route planning.

[0095] Step 2: Constructing the scaffolding 1. Location and construction: Based on the survey results, construct crossing frames on both sides of the crossing section to ensure that the construction range completely covers the area crossed by conductor 1 and there are no blind spots.

[0096] 2. Specification adaptation and adjustment: Ensure that the top height of the crossing frame is slightly lower than the conductor to be removed 1 to meet the support requirements; use steel pipes or bamboo poles to build on site, with an outward cantilever section at the top to achieve effective protection without closing the road.

[0097] 3. Insulation protection treatment: Install a complete and undamaged high-strength insulation protective layer on the top of the crossing frame and the contact area with the traction rope to ensure good insulation performance of each connection part, block current conduction and reduce friction loss of the traction rope.

[0098] Step 3: Temporary reinforcement of tension towers (optional reinforcement step) 1. Scheme Determination: Based on the tower structure and traction scheme, determine the quantity and layout direction of temporary guy wire 4.

[0099] 2. Installation of the device: Quickly fix the temporary guy wire 4 fixing device at the preset position on both sides of the tension tower, connect the temporary guy wire 4 and adjust it to the tension state through the angle adjustment mechanism.

[0100] 3. Tension monitoring: Activate the tension monitoring module, check the monitoring data, and if there is any abnormal tension, adjust the tension of the guy wire 4 in time to ensure the stability of the tower.

[0101] II. Traction Preparation Phase Step 4: Improve the safety protection system and deploy the 905 line-laying pulley. 1. Safety protection measures: Warning lights, warning tapes, warning signs and other warning signs shall be set up at the boundaries of the work area and a dedicated person shall be assigned to guard them; when crossing busy road sections, temporary traffic control facilities shall be set up in coordination with traffic management departments to guide detours; workers shall wear full sets of safety protective equipment and fall protection nets shall be set up above the work area.

[0102] 2. Installation of the wire laying pulley 905: The wire laying pulley 905 is suspended at the preset position on the crossarm 8 of the tower by the support mechanism 9, ensuring that the suspension position is aligned with the traction path of the conductor 1 to be removed, and the suspension strength has been strictly verified.

[0103] 3. Limiting mechanism debugging: Confirm that the upper limiting pulley 906 of the wire-laying pulley 905 is installed in place and its groove is aligned with the groove of the wire-laying pulley 905; check the function of the drive mechanism IV (including auxiliary support pulley 903, synchronous plate 904, etc.) to ensure that the limiting pulley 906 can move up and down along the slide groove I 907, can apply downward pressure to the traction rope and force the wire-laying pulley 905 to rotate; check the flexibility of the auxiliary support pulley 903 along the slide groove II 908 to ensure that it is matched and adapted to the wire-laying pulley 905.

[0104] Step 5: Connect the insulated traction rope I7 to the winch 6 for deployment. 1. Traction rope connection: Connect the insulated traction rope I7 to both ends of the conductor 1 using special connectors (wedge clamps or crimp connectors), ensuring a firm connection and that the insulation performance of the connectors matches that of the traction rope I7; after the connection is completed, check that the connectors are properly installed and that there is no looseness.

[0105] 2. Arrangement of winches 6: Place two winches 6 at the corresponding ends of the conductor 1 in the working area, ensuring that the traction path of the traction rope I7 is smooth, without bends or obstacles; connect the ends of the two insulated traction ropes I7 away from the conductor 1 to the two winches 6 one by one.

[0106] 3. Synchronous debugging: Confirm that the winch 6 has synchronous control function. Set parameters such as traction speed and traction tension threshold of the two winches 6 through the synchronous control module. Test that the dynamic adjustment function is normal and ensure that the two run synchronously.

[0107] III. Core Driving Phase Step 6: Synchronous traction and displacement of conductor 1 1. Start traction: Start two winches 6 through the synchronous control module to pull the wire 1 at a slow and steady speed, avoiding sudden acceleration and deceleration.

[0108] 2. Real-time monitoring: Assign dedicated personnel to monitor the status of conductor 1 (no twisting or deviation), the connection of traction rope I7 (no loosening), and the operating status of the crossing frame and the laying pulley 905 (no jamming or derailment).

[0109] 3. End point stop: Smoothly pull the guide wire 1 to the preset end point on one side of the road section to ensure that it does not interfere with the surrounding environment and subsequent operations; if an abnormality is detected, immediately stop the two winches 6 through the synchronous control module, and resume operation after troubleshooting.

[0110] Step 7: Connection and pre-traction of traction rope II5 1. Assembly of Traction Rope II5: Traction rope II5 is assembled using a stepped decreasing structure. It consists of at least two sub-traction ropes connected sequentially to each component through threaded quick connectors or braided joints (the winding length should not be less than 20 times the diameter of the traction rope, and they should be bundled and fixed). This ensures that the diameters of adjacent sub-traction ropes decrease in a decreasing trend, and that the diameters of all sub-traction ropes are smaller than that of traction rope I7. The diameter difference must be calculated precisely.

[0111] 2. Connecting the connector: Connect the traction rope II5 to the insulated traction rope I7 using a snap-on or threaded quick connector to ensure a secure connection and easy disassembly; after the connection is completed, a strength test must be carried out to meet the traction requirements.

[0112] 3. Pre-traction in place: Adjust the traction speed of winch 6 (slightly higher than the speed of traction wire 1) and smoothly pull traction rope II5 to one side of the crossing section; during the traction process, the status of traction rope II5 and the connection parts need to be monitored in real time to ensure that the traction path is smooth and there is no looseness; after reaching the designated position, stop the operation of winch 6.

[0113] IV. Crossing the Deployment Phase Step 8: Preparation for connecting UAV 3 to tow rope II5 1. Fixing mechanism 2 debugging: Check the firmness of the connection between the positioning frame 201 under the UAV 3 and the fuselage; confirm that the functions of components such as the roller 204, clamping plate 202, drive mechanism I-3, limit gear 205, limit block 207, and positioning plate 209 are normal.

[0114] 2. Initial state setting: Manually adjust the coil spring 206 (drive mechanism I) to the tightened state, move the positioning plate 209 upward to allow the tension spring 211 (drive mechanism II) to accumulate elastic potential energy, and ensure that the opening between the clamping plate 202 and the adhesive plate 203 is sufficient; push the positioning plate 209 horizontally to allow the limiting block 207 to engage with the teeth of the limiting gear 205, and use the longitudinal support block 208 to constrain the position of the positioning plate 209 and the limiting block 207.

[0115] 3. Traction rope pretreatment: The winch 6 slowly releases the tension, removing the tension on the traction rope II 5, so that it is in a relaxed state.

[0116] Step 9: Secure the UAV 3 across the traction rope and tow rope II5. 1. Automatic locking connection: The middle section of the traction rope II5 triggers the auxiliary push plates (drive mechanism III) on both sides of the positioning plate 209, pushing the positioning plate 209 to move horizontally, causing the limit block 207 to disengage from the teeth of the limit gear 205, and the constraint of the longitudinal support block 208 to fail; the tension spring 211 releases potential energy, drives the clamping plate 202 to rotate, and abuts the traction rope II5 against the surface of the roller 204, forming a reliable adhesion and fixation with the double-sided needle adhesive plate 203 on the roller 204.

[0117] 2. Release of coil spring 206: After the constraint of coil spring 206 is released, coil spring 206 drives the wire roller 204 to rotate and wind the traction rope II5 to prevent the traction rope II5 from falling.

[0118] 3. Crossing Flight: Plan the flight path of UAV 3 (avoiding obstacles), and control UAV 3 to fly to the other side of the crossing section with tow rope II5. During the flight, it is necessary to monitor the flight status of UAV 3, the connection status of tow rope II5 and the surrounding environment (wind speed, wind direction, etc.) in real time. In case of severe weather or emergencies, the flight should be adjusted or stopped in time.

[0119] 4. Terminal fixation: After the UAV 3 reaches the preset position on the other side of the crossing section, it fixes the free end of the tow rope II 5 to the fixed point on that side, thus completing the crossing deployment of the tow rope II 5.

[0120] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A method for removing power distribution conductors, characterized in that: S1. Construct a crossing frame on both sides of the crossing section that can accommodate the height of the conductor to be removed (1), facilitate positioning and movement, and prevent wear and leakage of the traction rope. S2. Set up safety protection measures on both sides of the work area, and suspend a line-laying pulley (905) on the crossarm (8) of the tower that can adapt to different traction directions and reduce friction loss; S3. Connect the two ends of the conductor (1) to the insulating traction rope I (7) respectively, and connect the end of the insulating traction rope I (7) away from the conductor (1) to two winches (6) that can synchronously control the traction tension. S4. Start the winch (6) through the synchronous control module, maintain consistent tension, and smoothly pull the conductor (1) to one side of the road section; S5. Connect the traction rope II (5) to the insulated traction rope I (7). The traction rope II (5) has lightweight and high strength characteristics. Use the winch (6) to pull the traction rope II (5) to one side of the road section. S6. Connect the traction rope II (5) to the drone (3) through a fixing mechanism (2) that can fix the traction rope II (5) and prevent tangling, and control the drone (3) to fly to the other side of the road section.

2. The method for removing power distribution conductors according to claim 1, characterized in that: The traction rope II (5) is composed of at least two traction rope segments connected in sequence. In two adjacent traction rope segments, the diameter of the latter traction rope segment is smaller than the diameter of the former traction rope segment.

3. The method for removing power distribution conductors according to claim 2, characterized in that: The diameter of each segment of the traction rope II (5) is smaller than that of the traction rope I (7), and the diameters of the multiple segments of the traction rope II (5) decrease in a stepwise manner compared to those of the traction rope I (7).

4. The method for removing power distribution conductors according to claim 1, characterized in that: After step S1 and before step S2, the process also includes: installing temporary guy wires (4) on the tension towers of the conductors (1) on both sides.

5. The power distribution conductor removal device according to claim 1, characterized in that: A line-laying pulley (905) is rotatably connected to the crossarm (8) of the tower via a support mechanism (9). The support mechanism (9) includes a mounting frame (901), and a hook (902) is fixedly connected to the mounting frame (901). The hook (902) is hung in a through hole on the crossarm (8).

6. The power distribution conductor removal device according to claim 5, characterized in that: The upper side of the line-laying pulley (905) is rotatably connected to the limiting pulley (906), and the traction rope I (7) and traction rope II (5) are located between the limiting pulley (906) and the line-laying pulley (905); The mounting bracket (901) is provided with a sliding groove I (907). The limiting pulley (906) moves vertically relative to the mounting bracket (901) through the sliding groove I (907). Furthermore, a driving mechanism IV is provided on one side of the limiting pulley (906), and the limiting pulley (906) has a downward movement tendency through the driving mechanism IV.

7. The power distribution conductor removal device according to claim 6, characterized in that: The drive mechanism IV includes an auxiliary support pulley (903) arranged in parallel with the wire feeding pulley (905). The auxiliary support pulley (903) is kept at a fixed longitudinal height with the limiting pulley (906) through the synchronization plate (904). The mounting bracket (901) has a sliding groove II (908) for the auxiliary support pulley (903), and the auxiliary support pulley (903) moves vertically relative to the mounting bracket (901) through the sliding groove II (908).

8. The power distribution conductor removal device according to claim 1, characterized in that: The fixing mechanism (2) is located below the drone (3). The fixing mechanism (2) includes a positioning frame (201), on which a wire roller (204) is rotatably connected. The wire roller (204) is provided with a driving mechanism I. An adhesive plate (203) is wound around the roller (204), and the traction rope II (5) can adhere to the surface of the adhesive plate (203). In step S6, the winch (6) removes the tension force on the traction rope II (5).

9. A power distribution conductor removal device according to claim 8, characterized in that: The positioning frame (201) is rotatably connected to a clamping plate (202), and a driving mechanism II is provided on one side of the clamping plate (202). When the sub-traction rope is embedded between the clamping plate (202) and the roller (204), the clamping plate (202) rotates to bring the sub-traction rope abutting against the surface of the roller (204).

10. A power distribution conductor removal device according to claim 9, characterized in that: The drive mechanism I includes a coil spring (206) with one end fixedly connected to the positioning frame (201), and the other end of the coil spring (206) fixedly connected to the wire roller (204); The drive mechanism II includes two tension springs (211) whose axial ends are respectively movably connected to the positioning frame (201) and the clamping plate (202). The tension springs (211) provide downward tension to the clamping plate (202). Furthermore, a positioning plate (209) is provided on the upper side of the clamping plate (202). The positioning plate (209) is movably connected to the clamping plate (202) through a pull rope (210). The positioning plate (209) is slidably connected to the positioning frame (201), and the axial end of the roller (204) is fixedly connected to the limiting gear (205). The positioning plate (209) is provided with a limiting block (207) on the side near the limiting gear (205) for the teeth of the limiting gear (205). The positioning frame (201) is provided with a longitudinal support block (208) for the positioning plate (209). When the limiting block (207) is embedded in the teeth of the limiting gear (205), the positioning plate (209) abuts against the longitudinal support block (208). Furthermore, a drive mechanism III is provided on one side of the positioning plate (209).

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