Tool mounting platform and working method based on unmanned aerial overhead cable live working

Abstract

The application relates to the technical field of electric power engineering, in particular to a tool mounting platform for aerial cable live-line work based on a UAV and a working method, which comprises a mounting frame and a suspension frame connected through an electromagnetic lock, the mounting frame is located on the upper top surface of a working tool, the suspension frame is connected with the UAV through an insulating rope, and a lifting ring connected at the end of the insulating rope extends into a U-shaped groove of the electromagnetic lock; the electromagnetic lock comprises a mounting plate provided with a positioning column and a limiting rib on the surface, a torsion spring and a locking plate are sleeved on the positioning column, the limiting rib is fixedly connected with an electromagnet, and the electromagnet is connected with the limiting column through a spring; the locking plate comprises a rotating part sleeved on the positioning column, a long locking tongue and a short locking tongue arranged side by side are arranged on the rotating part, and an arc-shaped protrusion is arranged in the circumferential direction; the locking plate is locked when being rotated to a set angle, in the locked state, the long locking tongue is located at the groove bottom of the U-shaped groove, the short locking tongue passes through the lifting ring and is located above the space of the long locking tongue; and the edge of the protrusion and the angle area formed by the surface of the rotating part and the limiting column are clamped.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric power engineering, in particular to a tool mounting platform for aerial cable live-line work based on a UAV and a working method. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] Live-line work is currently a maintenance method for overhead lines, mainly using insulating poles and insulating boom trucks for work, and if the work scene is suitable, robot live-line work will also be carried out. Some robots need to use insulating poles and insulating boom trucks, and work personnel need to directly face live equipment for related maintenance and maintenance work, resulting in a high risk of electric shock for the work personnel.

[0004] If a UAV is used to carry a work tool to fly to the work point, the risk of electric shock for the work personnel can be reduced. When using this work method, after the work tool is fixed on the overhead cable, an unlocking device is used to separate the UAV and the work tool body to ensure that the work tool can reliably perform the corresponding live-line work. However, the structure of the unlocking device in the prior art is too complex, making it too heavy, and the reliability is not ideal, and accidents can easily occur to prevent unlocking. SUMMARY

[0005] To solve the technical problems in the background art described above, the present application provides a tool mounting platform for aerial cable live-line work based on a UAV and a working method, which simplifies the structure of the electromagnetic lock connecting the UAV and the work tool, making the structure more compact, reducing the weight while improving the reliability during operation.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] The first aspect of the present application provides a tool mounting platform for aerial cable live-line work based on a UAV, comprising a mounting frame and a suspension frame connected by an electromagnetic lock, the mounting frame being located on the upper top surface of the work tool, the suspension frame being connected to the UAV through an insulating rope, and a lifting ring connected to the end of the insulating rope extending into a U-shaped groove of the electromagnetic lock to realize connection;

[0008] The electromagnetic lock comprises a mounting plate provided with a positioning column and a limiting rib, a torsion spring and a locking plate are sleeved on the positioning column, the limiting rib is fixedly connected with an electromagnet, and the electromagnet is connected with the limiting column through a spring; the locking plate comprises a rotating part sleeved on the positioning column, the rotating part is provided with a long locking tongue and a short locking tongue arranged side by side, and an arc-shaped protrusion is arranged in the circumferential direction; the locking plate is rotated to a set angle to realize locking, in the locked state, the long locking tongue is located at the bottom of the U-shaped groove, the short locking tongue passes through the lifting ring and is located above the space of the long locking tongue; the edge of the protrusion and the angle area formed by the surface of the rotating part abut against the top end of the limiting column.

[0009] Further, the lower bottom surface of the work tool is provided with a guide plate, which is used to guide the cable into the internal space of the work tool when the unmanned aerial vehicle drives the work tool to descend to the work point of the overhead cable.

[0010] Further, the guide plate has at least two groups arranged side by side, each group of guide plates has a "H" shaped opening, and the top end of the opening of the guide plate is provided with a position detection sensor and a pressure sensor.

[0011] Further, the electromagnetic lock comprises a mounting plate and a shell, and the shell is used to be connected with the suspension frame.

[0012] Further, a U-shaped groove is arranged on the shell, and the lifting ring at the end of the insulating rope is located in the U-shaped groove.

[0013] Further, the length of the short locking tongue is not more than that of the long locking tongue.

[0014] Further, when the electromagnetic lock is in the unlocked state, the protrusion abuts against the top end of the limiting column, and the opening formed between the long locking tongue and the short locking tongue is aligned with the groove of the U-shaped groove of the electromagnetic lock, and the lifting ring on the insulating rope can pass through the opening formed between the long locking tongue and the short locking tongue and the groove of the U-shaped groove.

[0015] Further, the lifting ring pushes the locking plate to rotate, and when the locking plate rotates to a set angle state, the limiting column abuts against the clamping groove formed by the rotating part of the locking plate and the edge of the protrusion to realize clamping, thereby hindering the reverse rotation trend of the locking plate under the action of the torsion spring.

[0016] Further, when the condition of releasing the insulating rope is met, the electromagnet is electrified to generate a magnetic force, the limiting column is attracted to the electromagnet and the spring is compressed, so that the limiting column does not block the rotating action of the locking plate, the locking plate is reversed under the action of the torsion spring, the opening formed between the long locking tongue and the short locking tongue is re-aligned with the groove of the U-shaped groove of the electromagnetic lock, and the lifting ring of the insulating rope is released from the U-shaped groove to realize unlocking.

[0017] The second aspect of the present application provides a working method of a tool mounting platform based on unmanned aerial vehicle overhead cable live working, comprising the following steps:

[0018] The working tool is fixedly installed with the carrying platform, the carrying platform is connected with the unmanned aerial vehicle through the insulating rope, and the unmanned aerial vehicle is controlled to carry the working tool to the space above the overhead cable through the carrying platform;

[0019] The working position is confirmed through the positions of the wire rod and the wire cable;

[0020] The unmanned aerial vehicle suspends the working tool to the space above the working position and gradually lowers, when the two in-place sensors simultaneously have signals, the wire cable has reliably entered the top of the U-shaped slot, and the working tool starts to prepare for work;

[0021] When the signal fluctuations of the two pressure sensors are in a set range, the unmanned aerial vehicle is lowered by a set height, so that the insulating rope is not in a tight state, and work starts;

[0022] After the work is completed, the unmanned aerial vehicle is raised, the insulating rope is pulled to a set value of the tension sensor, and the working tool is ready to act and is released;

[0023] The tool is reset, the unmanned aerial vehicle hoists the tool to a predetermined position, and is ready for the next work.

[0024] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0025] The working tool body is difficult to be lightweighted in weight for ensuring the safety and reliability of live working, therefore, the structure of the electromagnetic lock is simplified, the electromagnetic lock is more compact, the weight is reduced, the reliability during action is improved, and the probability of accidents is reduced. The opening formed between the long locking tongue and the short locking tongue is aligned with the slot of the U-shaped slot of the electromagnetic lock, the lifting ring on the insulating rope is allowed to be put in, the short locking tongue passing through the lifting ring is used to lock the lifting ring, and the clamping of the limiting column and the locking plate pushed by the spring is used to block the rotation of the locking plate, so that the locking ring is locked in the electromagnetic lock. During locking, the elastic force of the torsion spring has a reverse motion trend on the rotating part of the locking plate, the motion trend generates a lateral force on the limiting column, the limiting column itself is clamped by the spring force, the direction of the spring force is different from the direction of the lateral force on the limiting column, and the locking action can be ensured to be reliable. When unlocking, the limiting column is separated from the clamping by the electromagnet, the locking plate is reversed, and the lifting ring is allowed to be separated from the U-shaped slot. The overall structure is simpler, the movement mode is more reliable, and faults are less likely to occur. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the specification explain the exemplary embodiments of the present application. The present application is not limited by the above-mentioned exemplary embodiments and their explanations.

[0027] Figure 1is a structural schematic diagram of the whole unmanned aerial vehicle carrying platform provided by one or more embodiments of the present application;

[0028] Figure 2 is a structural schematic diagram of the unmanned aerial vehicle carrying platform when cooperating with the overhead cable provided by one or more embodiments of the present application;

[0029] Figure 3 is a structural schematic diagram of the unmanned aerial vehicle carrying platform from the front view provided by one or more embodiments of the present application;

[0030] Figure 4 is a structural schematic diagram of the electromagnetic lock in the unmanned aerial vehicle carrying platform provided by one or more embodiments of the present application;

[0031] Figure 5 is a structural schematic diagram of the electromagnetic lock in the unmanned aerial vehicle carrying platform provided by one or more embodiments of the present application;

[0032] Figure 6 is a structural schematic diagram of the control unit of the unmanned aerial vehicle carrying platform provided by one or more embodiments of the present application;

[0033] Figure 7 is a schematic diagram of the abnormal unlocking control module in the control unit provided by one or more embodiments of the present application.

[0034] Figures 1-3 In the figure: 1 working tool, 2 mounting rack, 3 insulating rope, 4 suspension rack, 5 electromagnetic lock, 6 tension sensor, 7 laser scanner, 8 camera, 9 guide plate, 10 overhead cable, 11 to position detection sensor, 12 pressure sensor;

[0035] Figure 4 In the figure: 51 locking plate, 52 positioning column, 53 torsional spring, 54 electromagnet, 55 limiting rib, 56 spring, 57 limiting column, 58 mounting plate. DETAILED DESCRIPTION

[0036] The present application will be further described below in conjunction with the drawings and embodiments.

[0037] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.

[0038] It is to be understood that the terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used in this description, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "including" as used herein, specifies the presence of features, steps, operations, devices, components or a combination thereof, but does not preclude the presence or addition of one or more other features, steps, operations, devices, components, or a combination thereof.

[0039] Terminology:

[0040] Hot-line work of overhead cable refers to maintenance, repair, replacement, modification and other work performed under the live state of power distribution line.

[0041] As introduced in the background, the use of unmanned aerial vehicle to carry the work tool to the work point can reduce the risk of electric shock of the worker. After the work tool is fixed on the overhead cable, the unlocking device is used to separate the unmanned aerial vehicle and the work tool body to ensure that the work tool can reliably perform the corresponding live-line work. However, the structure of the unlocking device is too complex, which makes the weight too large and the reliability not ideal, and accidents may occur to cause unlocking failure.

[0042] Therefore, the following embodiments give the tool carrying platform and working method based on unmanned aerial vehicle overhead cable live-line work, which simplifies the structure of the electromagnetic lock connecting the unmanned aerial vehicle and the work tool, makes the structure more compact, reduces the weight, and improves the reliability during operation.

[0043] Embodiment one:

[0044] The tool carrying platform based on unmanned aerial vehicle overhead cable live-line work comprises:

[0045] The mounting frame and the suspension frame are connected by the electromagnetic lock, the mounting frame is located on the top surface of the work tool, the suspension frame is connected with the unmanned aerial vehicle through the insulating rope, and the hanging ring at the end of the insulating rope is inserted into the U-shaped groove of the electromagnetic lock to realize the connection;

[0046] The electromagnetic lock comprises a mounting plate provided with a positioning column and a limiting rib on the surface, a torsion spring and a locking plate sleeved on the positioning column, the limiting rib is fixedly connected with an electromagnet, and the electromagnet is connected with the limiting column through a spring; the locking plate comprises a rotating part sleeved on the positioning column, a long locking tongue and a short locking tongue arranged side by side on the rotating part, and an arc-shaped protrusion arranged in the circumferential direction; the locking plate is rotated to the horizontal state to realize locking, in the locking state, the long locking tongue is located at the groove bottom of the U-shaped groove, the short locking tongue passes through the hanging ring and is located above the space of the long locking tongue; the edge of the protrusion and the angle area formed by the surface of the rotating part abut against the top end of the limiting column.

[0047] In this embodiment, as Figures 1-3As shown, the work tool 1 is used to perform the corresponding live work, such as live stripping, live insulation layer damage repair, etc., and the specific structural type is not described in detail in this embodiment.

[0048] The upper top surface of the work tool 1 is provided with a mounting frame 2, the mounting frame 2 is connected to the hanging frame 4 through an electromagnetic lock 5, and the hanging frame 4 is connected to the unmanned aerial vehicle through a plurality of insulating ropes 3.

[0049] In this embodiment, the electromagnetic lock 5 is located at the geometric center of the hanging frame 4, so as to avoid the work tool 1 from tilting during work.

[0050] The electromagnetic lock 5 is provided with a tension sensor 6, and according to the obtained tensile stress data, it is determined that the unmanned aerial vehicle can reliably separate from the work tool.

[0051] The work tool 1 is provided with a camera 8 and a laser scanner 7 on one side facing the overhead cable 10, the camera 8 is used to obtain image information during work, so as to facilitate the control of the work tool to perform corresponding work. The laser scanner 7 can perform three-dimensional scanning and modeling on the wire rod and the overhead cable, automatically confirm the position of the overhead cable that needs to be worked according to the set parameters, and the unmanned aerial vehicle automatically hoists the work tool to the position that needs to be worked.

[0052] The lower bottom surface of the work tool 1 is provided with a guide plate 9, which is used to guide the cable into the internal space of the work tool 1 when the unmanned aerial vehicle drives the work tool to descend to the work point of the overhead cable.

[0053] In this embodiment, the guide plate 9 has a "H" shaped opening and has two groups arranged side by side, and the opening top ends of the two groups of guide plates 9 are provided with a position detection sensor 11 and a pressure sensor 12. When the cable simultaneously contacts the position detection sensors 11 on both sides, it indicates that the cable has been successfully clamped into the work tool. When the pressure sensors 12 on both sides feedback stable data, it indicates that the work tool has been placed stably.

[0054] In this embodiment, the position detection sensor 11 can be a sensor made of electromagnetic induction principle. When the distance from the overhead cable 10 is close enough, the conductor in the overhead cable 10 generates an induction signal to the detection sensor 11, reflecting that the sensor has reached the position of the overhead cable 10.

[0055] The structure of the electromagnetic lock 5 is as shown in Figure 4 The electromagnetic lock 5 is as shown in

[0056] The outer casing is provided with a U-shaped groove. Multiple insulating ropes 3 are connected to the suspension frame 4 and then converge on the lifting ring, which is located in the U-shaped groove of the electromagnetic lock 5.

[0057] The locking plate 51 includes a rotating part, which is sleeved on the positioning post 52, so that the locking plate 51 rotates around the positioning post 52 under the action of the torsion spring 53.

[0058] In this embodiment, the torsion spring 52 uses its own elastic deformation to make the locking plate 51 rotate counterclockwise around the positioning post 52.

[0059] The rotating part is provided with a long locking tongue and a short locking tongue arranged side by side. The distance between the two locking tongues allows the lifting ring to pass through. When the locking plate 51 is rotated to the horizontal state, the long locking tongue is located at the bottom of the U-shaped groove, and the short locking tongue is located in the space above the long locking tongue and forms a structure to block the lifting ring.

[0060] In this embodiment, the lifting ring is placed into the U-shaped groove of the electromagnetic lock 5. The lifting ring descends and presses down the long locking tongue, pushing the locking plate 51 to rotate clockwise. When the locking plate 51 rotates to a horizontal state, the long locking tongue is located in the space below the lifting ring, while the short locking tongue passes through the lifting ring to form a structure that prevents the lifting ring from rising. During this period, the torsion spring 52 is compressed.

[0061] The rotating part has an arc-shaped protrusion. When the electromagnetic lock 5 is in the unlocked state, the protrusion abuts against the top of the limiting post 57. The structure of the electromagnetic lock 5 in this state is as follows: Figure 4 As shown; when the locking plate 51 is rotated to the horizontal position, the electromagnetic lock 5 is in the locked state, as shown. Figure 5 As shown; at this time, the angle area formed by the edge of the protrusion and the surface of the rotating part abuts against the top of the limiting post 57. The abutting force of the limiting post 57 comes from the elasticity of the torsion spring 52. By using the blocking effect of the limiting post 57 on the protrusion, the locking plate 51 is prevented from rotating (in this embodiment, it is to prevent it from rotating counterclockwise), thereby achieving locking.

[0062] In this embodiment, the gap between the long and short latches allows the lifting ring to pass through, and in the unlocked state, such as Figure 4 As shown, the opening formed between the long and short locking tongues aligns with the U-shaped groove of the electromagnetic lock 5, allowing the lifting ring on the insulating rope 3 to be inserted. The lifting ring presses down on the locking plate 51, causing it to rotate clockwise. When the locking plate 41 rotates clockwise by a set angle (in this embodiment, it rotates to a horizontal state), the limiting post 55 engages with the groove formed by the rotating part and the protrusion of the locking plate 41, preventing the locking plate 51 from rotating counterclockwise. This creates a closed slot between the U-shaped groove and the gap between the long and short locking tongues, allowing the lifting ring to reliably fit into the slot and achieve locking. The structure in the locked state is as follows. Figure 5 As shown.

[0063] When the condition of releasing the insulating rope 3 is met, the electromagnet 54 is powered to generate a magnetic force, attracting the limiting column 57 to approach the electromagnet 54 in the vertical direction and compressing the spring 56, so that the limiting column 57 does not block the rotating action of the locking plate 51, and the locking plate 51 is rotated counterclockwise under the action of the torsion spring 53, thereby enabling the insulating rope 3 to be released from the U-shaped groove of the electromagnetic lock 5, and unlocking is realized.

[0064] During the operation, the tension sensor 6 detects the tension of the unmanned aerial vehicle in real time, and controls the action of the electromagnetic lock 5 according to the change of the tension, so as to prevent the unmanned aerial vehicle from falling due to the unexpected force of the operation tool during the operation, and cause a safety accident.

[0065] The unmanned aerial vehicle carrying platform in the embodiment improves the structure of the electromagnetic lock. The opening formed between the long lock tongue and the short lock tongue is aligned with the slot of the U-shaped groove of the electromagnetic lock, allowing the lifting ring on the insulating rope to be put in, and the limiting column pushed by the spring is used to block the rotation of the locking plate by clamping the locking plate. When unlocking, the limiting column is attracted by the electromagnet to disengage the clamping, so that the locking plate is reversed to allow the lifting ring to disengage from the U-shaped groove. The overall structure is simpler and the movement is more reliable, and the failure is less likely to occur.

[0066] The control unit is also provided on the carrying platform, as shown in Figure 6 The control unit includes a main control module, two side position detection sensors (left and right position detection sensors), a pressure acquisition module connected with the two side pressure sensors, a tension acquisition module connected with the tension sensor, and a data preprocessing module connected with the laser scanner, which are respectively connected with the main control module. The main control module is also connected with an abnormal unlocking control module and a double backup communication module, the double backup communication module includes a Zigbee communication module and a WiFi Halow communication module, the camera, the remote controller and the unmanned aerial vehicle are respectively connected with the main control module through the corresponding communication module.

[0067] It also has a power module to provide power for each module in the tool, and has functions of reverse connection protection, short circuit protection, voltage monitoring, low voltage protection, etc.

[0068] The main control module is the core control module, which is used to detect the states of the tension, pressure and position sensors, and control the flight state of the unmanned aerial vehicle according to the sensor states and scanning data, so as to complete the tool hoisting task. Through the zigbee and WiFi Halow double backup communication modules, the remote controller is communicated, so as to realize the remote control of the tool, and the feedback and display of the tool state.

[0069] The camera can be a network camera installed at the center of the tool to observe the position of the overhead cable when the tool is hoisted by the unmanned aerial vehicle, so as to facilitate the real-time detection of the hoisting of the tool by the staff. The data of the network camera is transmitted to the remote controller through the WiFi Halow image transmission module, and the real-time image of the network camera can be displayed on the remote controller. WiFi Halow is a long-distance and high-speed data transmission protocol with a working frequency of 900MHz, and has the advantages of long transmission distance and small data delay, which is beneficial to the observation of the operation process of the system.

[0070] The in-place detection sensor has two, which are installed on the left and right sides of the tool. When the cable approaches the sensor, the sensor outputs a high-level signal, which is used to detect whether the cable can reliably enter the inside of the tool. When the two sensors have stable signals at the same time, it is considered that the cable is in place, and the working tool can be prepared for work, such as holding the cable. If one of the sensors has no signal, it may be placed along the direction of the wire, and the unmanned aerial vehicle needs to lift the tool again for placement until both sensors have signals. The in-place detection sensor can adopt an optical switch, a proximity switch, a laser transmission sensor, a pull-up encoder, etc.

[0071] The pressure sensor has two, which are installed on the left and right sides of the tool. When the two sensors have stable signals at the same time, it is considered that the working tool has been placed or fixed in place, and the working tool can work according to the setting; if one of the sensors has no signal or unstable signal, it means that the working tool is not placed stably, and the working personnel need to check whether the working tool has the working conditions to exclude safety hazards.

[0072] The tension sensor has one, which detects the tension of the unmanned aerial vehicle in real time during the operation process. According to the change of the tension, the opening and closing of the electromagnetic lock are controlled to prevent the unmanned aerial vehicle from falling due to unexpected force on the working tool during the operation process, causing safety accidents. At the same time, combined with the feedback of the two pressure sensors, the unmanned aerial vehicle can be operated in detail, and the tool hoisting is more accurate.

[0073] The laser scanner can scan and model the wire rod and overhead cable in three dimensions, and then automatically confirm the position of the overhead cable that needs to be operated according to the set parameters. The unmanned aerial vehicle automatically hoists the working tool to the position that needs to be operated according to the positioning.

[0074] The abnormal unlocking control module, specifically: when an abnormality occurs during the operation process, the electromagnetic lock is opened through the module to make the unmanned aerial vehicle trip, avoiding the unmanned aerial vehicle from crashing. The abnormal unlocking control module is realized through two backup control circuits, one of which is controlled by the main control module, and the other is directly controlled by the WiFi Halow communication module, to prevent the unmanned aerial vehicle from being unable to unlock due to an abnormality in one of the communication paths. The control principle is as follows:

[0075] AsFigure 7 As shown, the main control module control circuit through diode D1, while the standby control circuit through diode D2, connected with resistor R1, resistor R1 other end connection triode Q2, triode Q2 ground, triode Q2 other end in turn stringing resistor R3 and resistor R2 after with power supply VCC end connection, triode Q1 respectively connected with power supply VCC end, electromagnetic lock and resistor R3 and resistor R2 between.

[0076] Example two:

[0077] The working method of the tool mounting platform based on the unmanned aerial overhead cable live working, comprising the following steps:

[0078] The working tool is installed and fixed with the mounting platform, the mounting platform is connected with the unmanned aerial vehicle through the insulating rope, and the unmanned aerial vehicle carries the working tool to the space above the overhead cable through the mounting platform;

[0079] The working position is confirmed through the positions of the wire rod and the wire cable.

[0080] The unmanned aerial vehicle suspends the working tool to the space above the working position and gradually falls, when the two in-place sensors have signals at the same time, the wire cable has reliably entered the top of the U-shaped clamping groove, and the working tool starts to prepare for work, such as holding the wire cable.

[0081] When the signal fluctuations of the two pressure sensors are in the set range, the tool has been reliably and stably placed, the unmanned aerial vehicle is lowered by a certain height, the insulating rope is not in a tight state, and work is started.

[0082] After the work is completed, the unmanned aerial vehicle is raised, the insulating rope is pulled to the set value of the tension sensor, and the working tool is prepared to act and release; such as holding open.

[0083] After the tool is reset, the unmanned aerial vehicle hoists the tool to the predetermined position and prepares for the next work.

[0084] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tool mounting platform for aerial cable live-line work based on a drone, characterized in that, The mounting frame and the hanging frame are connected by the electromagnetic lock, the mounting frame is located on the upper top surface of the working tool, the hanging frame is connected with the unmanned aerial vehicle through the insulating rope, and a lifting ring at the end of the insulating rope extends into a U-shaped groove of the electromagnetic lock to realize connection. The electromagnetic lock comprises a mounting plate provided with a positioning column and a limiting rib on a surface, a torsion spring and a locking plate are sleeved on the positioning column, the limiting rib is fixedly connected with an electromagnet, and the electromagnet is connected with the limiting column through a spring; the locking plate comprises a rotating part sleeved on the positioning column, a long locking tongue and a short locking tongue arranged side by side are arranged on the rotating part, and an arc-shaped protrusion is arranged in the circumferential direction; the locking plate is locked when being rotated to a set angle, in the locked state, the long locking tongue is located at the groove bottom of the U-shaped groove, the short locking tongue passes through the lifting ring and is located above the space of the long locking tongue; the edge of the protrusion and the angle area formed by the surface of the rotating part abut against the top end of the limiting column; The lower bottom surface of the working tool is provided with a guide plate for guiding the cable into the internal space of the working tool when the unmanned aerial vehicle drives the working tool to descend to the working point of the overhead cable; The guide plate has at least two groups arranged side by side, each group of guide plates has a "H" type opening, and the top end of the opening of the guide plate is provided with a position detection sensor and a pressure sensor; The electromagnetic lock is provided with a tension sensor, and the reliable separation of the unmanned aerial vehicle from the working tool is determined according to the tensile stress data obtained by the tension sensor.

2. The UAV-based aerial cable live-line tool loading platform of claim 1, wherein, The electromagnetic lock comprises a mounting plate and a shell, and the shell is used for being connected with the hanging frame.

3. The UAV-based aerial cable live-line tool loading platform of claim 2, wherein, The shell is provided with a U-shaped groove, and the lifting ring at the end of the insulating rope is located in the U-shaped groove.

4. The UAV-based aerial cable live-line tool loading platform of claim 1, wherein, The length of the short locking tongue is not more than that of the long locking tongue.

5. The UAV-based aerial cable live-line tool loading platform of claim 1, wherein, When the electromagnetic lock is in the unlocked state, the top end of the protrusion abuts against the limiting column, and the opening formed between the long locking tongue and the short locking tongue is aligned with the slot of the U-shaped groove of the electromagnetic lock, so that the lifting ring on the insulating rope can pass through the opening formed between the long locking tongue and the short locking tongue and the slot of the U-shaped groove.

6. The unmanned aerial wireline cable live-line work based tool carrying platform according to claim 1, characterized in that, The lifting ring pushes the locking plate to rotate, and when the locking plate is rotated to a set angle state, the limiting column abuts against the clamping groove formed by the rotating part of the locking plate and the edge of the protrusion to realize clamping, thereby preventing the reverse rotation trend of the locking plate under the action of the torsion spring.

7. The UAV aerial cable live-line tool loading platform of claim 1, wherein, When the condition of releasing the insulating rope is met, the electromagnet is electrified to generate a magnetic force, the limiting column is attracted to the electromagnet and the spring is compressed, so that the limiting column does not block the rotating action of the locking plate, the locking plate is reversed under the action of the torsion spring, the opening formed between the long locking tongue and the short locking tongue is re-aligned with the slot of the U-shaped groove of the electromagnetic lock, the lifting ring of the insulating rope is released from the U-shaped groove, and the unlocking is realized.

8. The method according to any one of claims 1 to 7, wherein the unmanned aerial power line cable live working tool mounting platform is used for, The method comprises the following steps: The working tool is fixedly installed on the carrying platform, the carrying platform is connected with the unmanned aerial vehicle through the insulating rope, and the unmanned aerial vehicle carries the working tool to the space above the overhead cable through the carrying platform; The working position is confirmed through the positions of the wire rod and the cable; The unmanned aerial vehicle suspends the working tool above the working position and gradually lowers it, when two position detection sensors have signals at the same time, the cable has reliably entered the top of the U-shaped clamping groove, and the working tool starts to prepare for work; When the signal fluctuations of the two pressure sensors are in a set range, the unmanned aerial vehicle is lowered by a set height, so that the insulating rope is not in a tight state, and the work starts. After the work is completed, the unmanned aerial vehicle rises, and the insulating rope is pulled to the tension sensor to reach the set value, and the work tool is released for action; The tool is reset, the unmanned aerial vehicle hoists the tool to the predetermined position, and prepares for the next work.

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