An emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles and a control method thereof

Abstract

The invention relates to an emergency anti-wind deflection wire pulling device for split conductors carried by an unmanned aerial vehicle and a control method thereof, comprising a wire clamp, a pulling wire used in conjunction with the wire clamp, and a wire clamp base, a wire clamp hook fixedly connected to the pulling wire being slidably mounted on the wire clamp, the open wire clamp is in an inverted U-shape, and the free ends of the closed wire clamp are connected together to form a ring; the wire clamp comprises a left wire clamp and a right wire clamp which are both in a plurality of sections for use in conjunction with each other, a wire clamp opening and closing controller is arranged on the inner side of the connection between the left wire clamp and the right wire clamp, the wire clamp opening and closing controller comprises a motor box arranged on the inner side of the connection between the left wire clamp and the right wire clamp, a motor shaft connected to both sides of the motor box, and a winch wire wound on the motor shaft and slidably connected to the left wire clamp and the right wire clamp, the control device can be used at any time in a place where wind deflection protection is required, and can be easily dismantled when wind deflection protection is not required, so that a good wind deflection protection effect can be achieved for the power transmission line.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage power transmission lines, and specifically discloses an emergency wind-proof wire pulling device for split conductors carried by an unmanned aerial vehicle and a control method. Background Art

[0002] In recent years, wind deflection caused by wind on transmission lines, which in turn leads to flashover, has occurred frequently, especially in the typhoon-prone areas along the southeast coast of my country. The frequent extreme weather events (such as blast flow) in recent years have exacerbated this phenomenon. Therefore, how to reduce or even eliminate the wind deflection reaction of transmission lines in a timely manner while greatly reducing costs to ensure the safe service of transmission lines has become a focus of attention for the majority of transmission line operation and maintenance personnel.

[0003] So far, the wind deflection prevention devices reported mainly include: adjusting the hanging assembly type of the insulator string and adding a heavy hammer, inclined-stayed barrier-type wind deflection prevention insulation cable, pull-down wind deflection prevention insulation cable, support-type wind deflection prevention device, adjustable transmission line wind deflection prevention device, single-circuit transmission line tower middle phase conductor wind deflection prevention device, tension tower wind deflection prevention jumper cross arm, suspension insulator string adaptive wind deflection prevention device, high-voltage transmission line overhead wind deflection flashover device, etc. Most of these devices are based on their own strength and rigidity, and take "hard resistance" measures to block the large-scale movement of the conductor to achieve the wind deflection prevention effect. This setting ignores the structural dynamic response of the transmission line caused by the dynamic wind, making the wind deflection prevention device large in size, wasteful of materials, and unsatisfactory in effect; in addition, these devices increase the load of the cross arm under the action of wind load and reduce the safety of the iron tower; and if you want to achieve a good wind deflection prevention effect, it is necessary to set up devices at many locations on the transmission line, which greatly increases the investment of manpower, material resources and financial resources.

[0004] Therefore, it is important and urgent to design an unmanned aerial vehicle-mounted split-conductor emergency wind-deflection pulling device which is easy to operate, has good wind-deflection protection effect, requires low resource investment, can be present at any time where and when wind-deflection protection is needed, and can be easily dismantled when wind-deflection protection is not needed. Summary of the invention

[0005] In view of this, in order to solve the problem that the existing power transmission line anti-wind deflection device adopts the above-mentioned "hard resistance" measures to block the large-scale movement of the conductor, the anti-wind deflection effect is poor, and the applicability is not strong, the present invention provides an unmanned aerial vehicle-mounted split conductor emergency anti-wind deflection wire pulling device and a control method. The control device is easy to operate, has a good anti-wind deflection effect, and requires little resource investment. It can be present at any time in places where wind deflection protection is needed and when wind deflection protection is needed, and can be easily dismantled when wind deflection protection is not needed, so that the power transmission line can achieve a good anti-wind deflection effect and reduce a large amount of resource investment.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] An emergency anti-wind deflection wire pulling device for split conductors carried by an unmanned aerial vehicle comprises a wire clamp, a wire pulling wire used in conjunction with the wire clamp, and a wire clamp base. A wire clamp hook fixedly connected to the wire pulling wire is slidably mounted on the wire clamp. The open wire clamp is in an inverted U shape, and the free ends of the closed wire clamp are connected together to form a ring. The wire clamp comprises a left wire clamp and a right wire clamp which are both in a plurality of sections for use in conjunction with each other. A wire clamp opening and closing controller is arranged on the inner side of the connection between the left wire clamp and the right wire clamp. The wire clamp opening and closing controller comprises a device The motor box is arranged inside the connection between the left wire clamp and the right wire clamp, the motor shaft is connected to the two sides of the motor box, and the two winch wires are wound on the motor shaft. The two winch wires slide through the left wire clamp and the right wire clamp respectively, and the free ends are fixedly connected to the corresponding left wire clamp and the right wire clamp at one end away from the motor shaft. When the motor box is started to make the winch wire continuously wound around the motor shaft, the left wire clamp and the right wire clamp continuously shrink inwards, and the wire clamp changes from an open state to a closed state.

[0008] Furthermore, the left-side clamp comprises, from top to bottom, the first section of the left clamp, the second section of the left clamp, the third section of the left clamp and the fourth section of the left clamp, which are hinged to each other; the right-side clamp comprises, from top to bottom, the first section of the right clamp, the second section of the right clamp, the third section of the right clamp and the fourth section of the right clamp, which are hinged to each other; the first section of the left clamp, the second section of the left clamp, the third section of the left clamp and the fourth section of the left clamp in the left-side clamp have the same cross-sectional structure, and the corresponding curvatures are different after closing; the first section of the right clamp, the second section of the right clamp, the third section of the right clamp and the fourth section of the right clamp have the same cross-sectional structure, and the corresponding curvatures are also different after closing.

[0009] Furthermore, the left-side clamp is a single arc structure, wherein the first section of the left clamp, the second section of the left clamp, the third section of the left clamp and the fourth section of the left clamp all include a clamp frame I as a skeleton structure and an inner clamp wire pulling pipe I and an outer clamp return spring pipe I respectively fixed on both sides of the clamp frame I, a clamp return spring is clamped between the outer clamp return spring pipes I of adjacent sections, and the clamp frame I in the first section of the left clamp is integrally formed with a cross bar I extending from the top to the left and right sides near one end of the right clamp, so that the clamp frame I in the first section of the left clamp is in a "T" shape.

[0010] Furthermore, the right-side clamp is a double-arc splicing structure, wherein the first section of the right clamp, the second section of the right clamp, the third section of the right clamp and the fourth section of the right clamp all include two clamp frames II with the same structure as the skeleton structure, and the two clamp frames II in the first section of the right clamp are integrally formed near one end of the left clamp and are connected with the cross bar II welded as one for use with the cross bar I, so that the clamp frame II in the first section of the right clamp is in a "Π" shape, and the inner side wire pulling pipe II of the clamp and the outer side return spring pipe II of the clamp are respectively arranged on both sides of each clamp frame II, and the clamp return springs are clamped between the outer side return spring pipes II of the clamps of adjacent sections.

[0011] Furthermore, the wire pulling pipe I on the inner side of the wire clamp and the return spring pipe I on the outer side of the wire clamp have the same cross-sectional structure and are both U-shaped. The wire pulling pipe II on the inner side of the wire clamp and the return spring pipe II on the outer side of the wire clamp also have the same cross-sectional structure and are both U-shaped. A wire clamp lining I covering the outside of the wire pulling pipe I on the inner side of the wire clamp is arranged on the inner side of the wire clamp skeleton I. A wire clamp lining II covering the outside of the wire pulling pipe II on the inner side of the wire clamp is arranged on the inner side of each wire clamp skeleton II. Both the wire clamp lining I and the wire clamp lining II are arc-shaped made of gel material, and the inner side thereof is corrugated.

[0012] Furthermore, the clamp frame I on both sides of the clamp outer return spring pipe I are respectively provided with hook slideways for facilitating the sliding of the clamp hook, and the hook slideways are two cross-sections of " "-shaped circular slide rail, the outer sides of the adjacent inter-section hook slide rails are connected with inter-section spring plates for connecting the hook slide rails between adjacent sections.

[0013] Furthermore, the wire clamp hook includes a wire clamp hook bracket with a circular portal frame cross-section, a wire clamp hook sliding wheel and a wire clamp hook sliding wheel axle inserted into the four free ends of the wire clamp hook bracket at the four corners, the wire clamp hook sliding wheel axle is used to limit the sliding displacement of the wire clamp hook sliding wheel, and a lifting ring is set in the middle of the wire clamp hook bracket for facilitating the threading of the wire.

[0014] Furthermore, the clamp base includes a clamp base telescopic rod, a clamp base telescopic adjuster, a clamp base support rod and a clamp base fixed plate which are connected in sequence, and the clamp base telescopic rod is a threaded round rod, and the top end of the clamp base telescopic adjuster includes a clamp base telescopic adjuster sleeve, a clamp base telescopic adjuster oblique tube, and a clamp base telescopic adjuster spiral tube which are assembled in sequence; the clamp base telescopic adjuster sleeve is a circular tube, and two clamp base telescopic adjuster limit rings are connected to its inner wall for the clamp base telescopic rod to pass through it; the clamp base telescopic adjuster oblique tube is a truncated cone tube for the clamp base telescopic rod to pass through it; the clamp base telescopic adjuster spiral tube is a short rod with a hexagonal cross-section on the outside and a screw hole in the middle, and the hexagon is used to use a wrench to screw the clamp base telescopic rod, and the screw hole is used for the clamp base telescopic rod to screw through it to adjust the length of the pull wire.

[0015] Furthermore, there are three winch wires wound around the motor shaft. The winch wire in the middle is passed through the inner wire pulling pipe I of the left wire clamp, and the winch wires on both sides are passed through the inner wire pulling pipe II of the right wire clamp. An electronic eye is also provided on one side of the motor box.

[0016] The control method of the unmanned aerial vehicle-mounted split conductor emergency wind deflection pulling device comprises the following steps:

[0017] S1. Establish a numerical model of the transmission line in strong wind areas, and obtain the wind deviation of the transmission line under different strong wind levels through wind-induced response analysis;

[0018] S2. When the weather forecast predicts that strong winds are coming, the location where wind flashover can occur is determined based on the strong wind level and the wind flashover results obtained through numerical simulation, and the wind flashover prevention wire pulling device is transported to the location where wind flashover needs to be suppressed;

[0019] S3. Use a drone to transport the device to the location where the device needs to be placed. When the clamp is open, the clamp is controlled to descend by an electronic eye to wrap the fittings between the split conductor and the insulator string.

[0020] S4, start the motor in the motor box, retract the winch wire, gradually close the wire clamp, and tightly wrap the hardware between the split conductor and the insulator string;

[0021] S5. Use a spiral anchor rod to fix the fixing plate of the clamp base to the ground, use a wrench to screw the telescopic adjuster of the clamp base, tighten the tension wire, and make the clamp hook gradually slide downward along the clamp hook slideway from the top of the clamp when the clamp is in the open state until the tension wire is tightened;

[0022] S6. After the strong wind passes and the device is no longer needed, use a wrench to loosen the telescopic adjuster at the base of the wire clamp and relax the pull wire. Use a drone to hold the pull wire, start the motor in the motor box, and relax the winch wire. Under the action of the wire clamp reset spring, the wire clamp gradually returns to the open state. The drone will lift the open wire clamp away from the power transmission line and load the device into the warehouse for next use.

[0023] The beneficial effects of this solution are:

[0024] The present invention discloses an emergency wind deflection-proof wire pulling device for split conductors carried by unmanned aerial vehicles. The device has a simple design and operation, good wind deflection-proof effect, and low resource investment. It can be placed at any time in places and when wind deflection-proof is needed, and can be easily dismantled when wind deflection-proof is not needed, so that the power transmission line can achieve a good wind deflection-proof effect and reduce a large amount of resource investment. In particular, the design of the clamp opening and closing controller allows the clamp to be opened and closed freely, so that the clamp can tightly wrap the hardware between the split conductor and the insulator string, making it easy to use the wire pulling to control the wind deflection of the power transmission line; in particular, the design of the clamp hook slideway + clamp hook allows the device to be lifted by the unmanned aerial vehicle freely. Since the straight line formed by the wire pulling passes through the center of the closed clamp, the tension applied by the wire pulling to the clamp passes through the center of the clamp, so that the wire pulling does not generate torque on the clamp and the split conductor, and does not cause additional damage to the transmission line.

[0025] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0027] Figure 1 This is a schematic structural diagram of the emergency wind-proof wire pulling device (opened state) for split conductors carried by unmanned aerial vehicles of the present invention;

[0028] Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the middle clamp;

[0029] Figure 3 For the present invention Figure 2 Detailed view of the bottom of the thread clamp on the middle right;

[0030] Figure 4 For the present invention Figure 2 Detail of the bottom of the wire clamp on the left side of the center;

[0031] Figure 5 For the present invention Figure 2 Bottom view of the top middle of the center clamp;

[0032] Figure 6 For the present invention Figure 2 Top view of the middle of the center clamp;

[0033] Figure 7 This is a schematic structural diagram of the emergency wind-proof wire pulling device (closed state) for split conductors carried by unmanned aerial vehicles of the present invention;

[0034] Figure 8 For the present invention Figure 7 Schematic diagram of the structure of the middle clamp;

[0035] Fig. 9 For the present invention Figure 8 Top view of the middle of the center clamp;

[0036] Fig.10 For the present invention Figure 8 The middle top view of the bottom of the center clamp;

[0037] Fig.11 For the present invention Figure 8 Detailed view of the internode adjacent to the left clamp, where Fig.11 (a) is a detailed view of the first section of the left clamp and the second section of the left clamp. Fig.11 (b) is a detailed view of the second section of the left clamp and the third section of the left clamp;

[0038] Fig.12 For the present invention Figure 8 The bottom view of the first section of the left clamp on the left side of the center;

[0039] Fig.13 For the present invention Figure 8 Middle right side clamp, bottom view of the first section of the right clamp;

[0040] Fig.14 For the present invention Figure 8 Schematic diagram of the installation of the groove for the inner wire pulling pipe in the left center wire clamp;

[0041] Fig.15 For the present invention Figure 8 The left side of the middle clamp is the first section of the left clamp, and the structure diagram of the frame of the middle clamp I is shown in Fig.

[0042] Fig.16 For the present invention Figure 8 The left side of the center clamp is a top view of the second section of the left clamp;

[0043] Fig.17 For the present invention Figure 8Schematic diagram of the hook structure of the middle clamp; Fig.17 (a) is a schematic diagram of the structure of the wire clamp hook after assembly. Fig.17 (b) is the disassembled diagram of the wire clamp hook;

[0044] Fig.18 For the present invention Figure 2 Schematic diagram of the structure of the opening and closing controller of the middle clamp;

[0045] Fig.19 For the present invention Figure 1 Schematic diagram of the structure of the center clamp base;

[0046] Fig. 20 For the present invention Fig.19 Schematic diagram of the structure of the telescopic adjuster of the center clamp base; Fig. 20 (a) is a schematic diagram of the structure of the telescopic adjuster of the wire clamp base in the angle direction. Fig. 20 (b) is a schematic diagram of the structure of the telescopic adjuster of the wire clamp base in the second angle direction;

[0047] Fig.21 For the present invention Fig.19 Schematic diagram of the support rod structure of the center clamp base.

[0048] The markings in the attached drawings are as follows: clamp base 1, clamp base telescopic rod 11, clamp base telescopic adjuster 12, clamp base support rod 13, clamp base fixed plate 34, clamp base telescopic adjuster sleeve 15, clamp base telescopic adjuster oblique tube 16, clamp base telescopic adjuster spiral tube 17, clamp base telescopic adjuster limit ring 18, clamp base telescopic adjuster limit head 19, wire pulling wire 2, left clamp 3, left clamp first section 31, left clamp second section 32, left clamp third section 33, left clamp fourth section 34, clamp frame Ⅰ 35, clamp inner side wire pulling pipe Ⅰ 36, clamp outer side return spring pipe Ⅰ 37, clamp lining Ⅰ 38, right clamp 4. The first section of the right clamp 41, the second section of the right clamp 42, the third section of the right clamp 43, the fourth section of the right clamp 44, the clamp frame II 45, the inner wire pulling pipe II 46 of the clamp, the outer reset spring pipe II 47 of the clamp, the inner lining II 48 of the clamp, the clamp hook 5, the hook slide 51, the inter-section spring plate 52, the inner wire pulling pipe groove 53, the clamp opening and closing rotating inner shaft reserved hole 54, the clamp opening and closing rotating outer shaft 55, the clamp opening and closing rotating inner shaft 56, the clamp hook bracket 57, the clamp hook sliding wheel 58, the clamp hook sliding wheel shaft 59, the clamp opening and closing controller 6, the motor box 61, the motor shaft 62, the winch line 63, the electronic eye 64, the lifting ring 7, and the clamp reset spring 8. DETAILED DESCRIPTION

[0049] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0050] The following is further described in detail through specific implementation methods:

[0051] At present, the anti-wind deflection devices of transmission lines are mostly based on their own strength and rigidity, and take "hard resistance" measures to block the large-scale movement of the conductors to achieve the anti-wind deflection effect. This setting ignores the structural dynamic response of the transmission line caused by dynamic wind, making the anti-wind deflection device large in size, wasteful of materials, and unsatisfactory in effect; in addition, these devices increase the load on the crossarm under the action of wind load and reduce the safety of the tower; and if a good anti-wind deflection effect is to be achieved, it is necessary to set up devices at a very large number of locations on the transmission line, which greatly increases the investment in manpower, material resources and financial resources.

[0052] In order to solve the above problems, this embodiment is designed as follows Figure 1 The illustrated device is a kind of emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles, comprising a wire clamp, a wire pulling wire 2 used in conjunction with the wire clamp, and a wire clamp base 1, wherein the wire pulling wire 2 is a common steel strand. The wire clamp comprises a left wire clamp 3 and a right wire clamp 4 used in conjunction. A wire clamp hook 5 is slidably mounted on the wire clamp, and the wire pulling wire 2 is fixedly connected to the wire clamp hook 5. The open wire clamp is in an inverted U shape and has a roughly symmetrical structure on the left and right (such as Figure 2 As shown in the figure, the free ends of the closed clamps are connected together to form a ring (as shown in the figure). Figure 7 , 8 As shown in the figure), the hardware between the split conductor and the insulator string is wrapped in it to block the large-scale movement of the conductor and achieve the effect of wind-proofing the split conductor. The details of the connection between the top and bottom of the clamp are shown in Fig. 9 and Fig.10 .

[0053] like Figures 3 to 6As shown, the left side clamp 3 comprises, from top to bottom, a left clamp first section 31, a left clamp second section 32, a left clamp third section 33 and a left clamp fourth section 34 which are hinged to each other, and the right side clamp 4 comprises, from top to bottom, a right clamp first section 41, a right clamp second section 42, a right clamp third section 43 and a right clamp fourth section 44 which are hinged to each other, and the left clamp first section 31, the left clamp second section 32, the left clamp third section 33 and the left clamp fourth section 34 in the left side clamp 3 have the same cross-sectional structure, but have different corresponding curvatures after closing, and the curvature of the left clamp first section 31 in the left side clamp 3 is 90°, and the corresponding curvatures of the left clamp second section 32, the left clamp third section 33 and the left clamp fourth section 34 are 30°. The right clamp first section 41, the right clamp second section 42, the right clamp third section 43 and the right clamp fourth section 44 in the right clamp 4 have the same cross-sectional structure, but have different corresponding arcs after closing. The arc of the right clamp first section 41 in the right clamp 4 is also 90°, and the corresponding arcs of the right clamp second section 42, the right clamp third section 43 and the right clamp fourth section 44 are 30°.

[0054] like Fig.12 The left side clamp 3 shown is a single arc structure, wherein the first section 31 of the left clamp, the second section 32 of the left clamp, the third section 33 of the left clamp and the fourth section 34 of the left clamp all include a clamp frame Ⅰ35 as a skeleton structure and a clamp inner wire drawing pipe Ⅰ36 and a clamp outer return spring pipe Ⅰ37 respectively fixed on both sides of the clamp frame Ⅰ35. The inner side of the clamp frame Ⅰ35 is provided with a clamp lining Ⅰ38 wrapped around the outside of the clamp inner wire drawing pipe Ⅰ36. The clamp inner wire drawing pipe Ⅰ36 and the clamp outer return spring pipe Ⅰ37 have the same cross-sectional structure and are both U-shaped. The clamp frame Ⅰ35 on both sides of the clamp outer return spring pipe Ⅰ37 are respectively provided with hook slideways 51 for facilitating the sliding of the clamp hook 5. The hook slideways 51 are two cross-sectionally shaped " " " shaped circular slide rail, and the square groove therein is used for the clamp hook 5 to be placed therein and slide along it; the hook slideway 51 at the free end of the fourth section 34 of the left clamp is blocked and closed to prevent the clamp hook 5 from escaping from the hook slideway 51 when sliding along it. The outer side of the hook slideway 51 between adjacent sections is connected to an inter-section spring plate 52 (such as Fig.16 As shown in FIG. 1 ), and it is a rectangular thin plate, used for the clamp hook 5 to slide from top to bottom along the clamp hook slideway 51 when the clamp is closed, so as to connect the hook slideways 51 between adjacent sections. The clamp frame Ⅰ35 in the first section 31 of the left clamp is integrally formed with a cross bar Ⅰ extending from the top to the left and right sides at one end near the right clamp 4, so that the clamp frame Ⅰ35 in the first section 31 of the left clamp is in a "T" shape, as shown in FIG. Fig.15 shown.

[0055] like Fig.17 The wire clamp hook 5 shown in the figure comprises a wire clamp hook bracket 57 with a circular gantry-shaped cross section, a wire clamp hook sliding wheel 58 and a wire clamp hook sliding wheel shaft 59 inserted at the four free ends of the wire clamp hook bracket 57 at the four corners, the wire clamp hook sliding wheel shaft 59 is used to limit the sliding displacement of the wire clamp hook sliding wheel 58, the middle part of the wire clamp hook bracket 57 is provided with a lifting ring 7 for facilitating the threading of the wire 2, the wire clamp hook sliding wheel 58 is four cylinders, and there is a hole in the cylinder. A circular hole is left, and the shape and size of the circular hole are the same as the shape and size of the clamp hook sliding wheel shaft 59 at the end of the clamp hook bracket 57, which is used to place the clamp hook bracket 57 therein; the clamp hook bracket 57 is a portal frame with a circular cross-section, and its outer end is connected to a short cylindrical clamp hook sliding wheel shaft 59 with a diameter larger than the diameter of the portal frame, which is used to limit the position of the clamp hook sliding wheel 58 and enable the clamp hook sliding wheel 58 to rotate around it.

[0056] like Fig.13 The right side clamp 4 shown is a double arc splicing structure, and the single arc of the left side clamp 3 in the left half can penetrate into the double arc of the right side clamp 4 in the right half. The first section 41 of the right clamp, the second section 42 of the right clamp, the third section 43 of the right clamp and the fourth section 44 of the right side clamp 4 all include two clamp skeletons II 45 with the same structure as the skeleton structure. The two clamp skeletons II 45 in the first section 41 of the right clamp are integrally formed near one end of the left side clamp 3 and are connected with a cross bar II welded as one for use with the cross bar I, so that the clamp skeleton II 45 in the first section 41 of the right clamp is in a "Π" shape. On both sides of each clamp frame Ⅱ45, there are provided an inner wire pulling pipe Ⅱ46 of the clamp and an outer reset spring pipe Ⅱ47 of the clamp respectively. On the inner side of each clamp frame Ⅱ45, there is provided a clamp lining Ⅱ48 covering the outer side of the clamp inner wire pulling pipe Ⅱ46. The cross-sectional structures of the inner wire pulling pipe Ⅱ46 of the clamp and the outer reset spring pipe Ⅱ47 of the clamp are the same and are both U-shaped.

[0057] The clamp inner lining Ⅰ38 and the clamp inner lining Ⅱ48 are both made of gel material in an arc shape, and the inner side thereof is corrugated, so as to clamp the grasped object more tightly; and a narrow groove with the same cross-sectional shape and size as the corresponding clamp inner wire pulling pipe Ⅰ36 and the clamp inner wire pulling pipe Ⅱ46 is left in the middle of the outer side (i.e., the inner wire pulling pipe groove 53, such as Fig.14As shown), it is used to embed the corresponding inner wire drawing pipe Ⅰ36 of the wire clamp and the inner wire drawing pipe Ⅱ46 of the wire clamp therein. The hinge structure of the left clamp first section 31, the left clamp second section 32, the left clamp third section 33 and the left clamp fourth section 34 in the left clamp 3 is similar to a bolt. Taking the connection between the left clamp first section 31 and the left clamp second section 32 as an example, the inner sides of the left and right ends of the bottom of the left clamp first section 31 are provided with semi-cylindrical hole-shaped clamp opening and closing rotation inner shaft reserved holes 54, and the outer sides of the left and right ends of the bottom of the left clamp first section 31 are integrally formed and fixedly installed with a clamp opening and closing rotation outer shaft 55 that cooperates with the clamp opening and closing rotation inner shaft reserved holes 54 and has semi-cylindrical holes. The through hole formed by the clamp opening and closing rotation inner shaft reserved holes 54 and the clamp opening and closing rotation outer shaft 55 is used to penetrate the clamp opening and closing rotation inner shaft 56 fixedly connected to the left clamp second section 32. The connection relationship between adjacent sections in the right clamp 4 is the same as that of the left clamp 3.

[0058] A clamp opening and closing controller 6 is provided on the inner side of the connection between the crossbars I and II in the left clamp 3 and the right clamp 4. Fig.18 The wire clamp opening and closing controller 6 shown includes a rectangular motor box 61 arranged on the inner side of the connection between the left wire clamp 3 and the right wire clamp 4, a motor shaft 62 connected to both sides of the motor box 61, and a winch wire 63 wound around the motor shaft 62, wherein there are three winch wires 63, the winch wire 63 located in the middle is passed through the wire pulling pipe Ⅰ36 inside the wire clamp of the left wire clamp 3, and the free end is fixedly connected to the lower free end of the fourth section 34 of the left wire clamp in the left wire clamp 3, the winch wires 63 located on both sides are passed through the wire pulling pipe Ⅱ46 inside the wire clamp of the right wire clamp 4, and the free end is fixedly connected to the lower free end of the fourth section 44 of the right wire clamp in the right wire clamp 4, and an electronic eye 64 is also arranged on one side of the motor box 61. When the motor box 61 is started to make the winch wire 63 continuously wind around the motor shaft 62, the left clamp 3 and the right clamp 4 continuously shrink inward, and the clamp changes from an open state to a closed state; the electronic eye 64 is an ordinary electronic eye used to determine the position of the device.

[0059] A 15° fan-shaped gap is formed in the middle of the outer sides of the first section 41 and the second section 42 of the right clamp 4, so that the first section 41 and the second section 42 of the right clamp can be tightly closed when the clamp is in the open state; and the clamp reset spring 8 is exposed in the gap, such as Fig.11 The clamp return spring 8 is shown as being embedded in the adjacent clamp outer return spring conduit II 47, wherein Fig.11 (a) is a detailed view of the first section of the left clamp and the second section of the left clamp. Fig.11(b) is a detailed view of the left clamp second section and the left clamp third section; when the device is not in use, the clamp is in the following position due to the tension of the clamp return spring 8. Figure 2 The structure of the connection between the left clamp first section 31 and the left clamp second section 32 in the left clamp 3 is the same as the structure of the connection between the right clamp first section 41 and the right clamp second section 42.

[0060] In the closed state, the right clamp second section 42 and the right clamp third section 43 in the right clamp 4 have the same structure as the right clamp first section 41 and the right clamp second section 42, and the difference is that the fan-shaped gap angle formed in the middle of the outer side of the second section and the third section is 30°. The structure of the connection between the left clamp second section 32 and the left clamp third section 33 in the left clamp 3 is the same as the structure of the connection between the left clamp first section 31 and the left clamp second section 32. Similarly, the right clamp third section 43 and the right clamp fourth section 44 in the closed state are the same as the right clamp second section 42 and the right clamp third section 43, and the fan-shaped gap angle formed is also the same, both of which are 30°. The structure of the connection between the third section 33 and the fourth section 34 of the left clamp 3 is the same as the structure of the connection between the second section 32 and the third section 33 of the left clamp, and the angle of the fan-shaped gap formed is also the same, both of which are 30°.

[0061] like Fig.19 The clamp base 1 shown includes a clamp base telescopic rod 11, a clamp base telescopic adjuster 12, a clamp base support rod 13 and a clamp base fixing plate 14, wherein the clamp base telescopic rod 11 is a round rod with threads, and the top end of the round rod is connected to the pull wire 2. Fig. 20 The shown telescopic adjuster 12 of the clamp base is composed of three parts: a telescopic adjuster sleeve 15 of the clamp base, a telescopic adjuster oblique tube 16 of the clamp base, and a telescopic adjuster spiral tube 17 of the clamp base; wherein the telescopic adjuster sleeve 15 of the clamp base is a circular tube, and two circular rings (i.e., the telescopic adjuster limit ring 18 of the clamp base) are connected on its inner wall, and the telescopic rod 11 of the clamp base passes through it; the telescopic adjuster oblique tube 16 of the clamp base is a truncated cone tube, and the telescopic rod 11 of the clamp base passes through it; the telescopic adjuster spiral tube 17 of the clamp base is a short rod with a hexagonal outer cross-section and a screw hole in the middle, and the hexagon is used to use a wrench to screw the telescopic rod 11 of the clamp base, and the screw hole is used for the telescopic rod 11 of the clamp base to be screwed through it to extend or shorten the length of the pull wire 2.

[0062] like Fig.21The shown clamp base support rod 13 is a round rod, and the clamp base telescopic adjuster limit head 19 is connected to the outer side of its top, and the clamp base telescopic adjuster limit head 19 is three circular rings with a diameter greater than the diameter of the round rod and spaced apart from each other by one end, and the spacing distance is equal to the width of the clamp base telescopic adjuster limit ring 18, which is used to embed the clamp base telescopic adjuster limit ring 18 therein and allow the clamp base telescopic adjuster 12 to rotate around it.

[0063] The clamp base fixing plate 14 is a plate with a triangular cross section, and each corner of the triangle is rounded, and a circular hole is reserved at each corner for a spiral anchor rod to pass through to fix the device to the ground.

[0064] The method for using the unmanned aerial vehicle-mounted split conductor emergency anti-wind deviation wire pulling device is as follows: first, a numerical model of the transmission line in a strong wind area is established, and the wind deviation size of the transmission line under different strong wind levels is obtained through wind-induced response analysis; secondly, when the weather forecast predicts that a strong wind is about to come, the position where wind deviation flashover can occur is determined based on the strong wind level and the wind deviation results obtained through numerical simulation; further, the device is carried by vehicle to a location where wind deviation needs to be suppressed; further, the device is airlifted to the location where the device needs to be placed using an unmanned aerial vehicle, and the wire clamp (in the open state) is controlled to descend through the electronic eye 64 so that it will The hardware between the split conductor and the insulator string is wrapped therein; further, the motor in the motor box 61 is started, and the winch wire 63 is retracted, so that the wire clamp is gradually closed, and the hardware between the split conductor and the insulator string is tightly wrapped therein; further, the wire clamp base fixing plate 14 is fixed to the ground using a spiral anchor rod, and the wire clamp base telescopic adjuster 12 is screwed with a wrench to tighten the pull wire 2, so that the wire clamp hook 5 gradually slides downward from the top of the wire clamp (in the open state) along the wire clamp hook slideway until the pull wire 2 is tightened (the straight line formed by the pull wire 2 passes through the center of the circle of the wire clamp in the closed state).

[0065] Furthermore, after a strong wind passes and the device is no longer needed, a wrench is used to loosen the telescopic adjuster 12 of the cable clamp base, the pull wire 2 is relaxed, the pull wire 2 is suspended by a drone, the motor in the motor box 61 is started, the winch wire 63 is relaxed, and the cable clamp gradually returns to the open state under the action of the cable clamp reset spring 8. The drone lifts the cable clamp (open state) away from the power transmission line, and the device is loaded into the warehouse for next use.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. An emergency wind-proof wire pulling device for split conductors carried by drones, characterized in that: The invention comprises a wire clamp, a wire pulling wire (2) used in conjunction with the wire clamp, and a wire clamp base (1); a wire clamp hook (5) fixedly connected to the wire pulling wire is slidably mounted on the wire clamp; the wire clamp is in an inverted U shape when open, and the free ends of the wire clamp are connected together to form a ring shape when closed; the wire clamp comprises a left wire clamp (3) and a right wire clamp (4) both of which are in a plurality of sections when used in conjunction with each other; a wire clamp opening and closing controller (6) is arranged on the inner side of the connection between the left wire clamp (3) and the right wire clamp (4); the wire clamp opening and closing controller (6) comprises a motor box (1) arranged on the inner side of the connection between the left wire clamp (3) and the right wire clamp (4) 61), a motor shaft (62) connected to both sides of the motor box (61) and two winch wires (63) wound around the motor shaft (62), the two winch wires (63) respectively slide through the left wire clamp (3) and the right wire clamp (4) and the free ends are respectively fixedly connected to the ends of the left wire clamp (3) and the right wire clamp (4) corresponding thereto away from the motor shaft (62), when the motor box (61) is started so that the winch wires (63) are continuously wound around the motor shaft (62), the left wire clamp (3) and the right wire clamp (4) are continuously contracted inwardly, and the wire clamps are transformed from an open state to a closed state; The left-side clamp (3) comprises, from top to bottom, a left-side clamp first section (31), a left-side clamp second section (32), a left-side clamp third section (33) and a left-side clamp fourth section (34) which are hinged to each other. The left-side clamp first section (31), the left-side clamp second section (32), the left-side clamp third section (33) and the left-side clamp fourth section (34) in the left-side clamp (3) have the same cross-sectional structure, but have different corresponding arcs after closing. The left clamp (3) is a single arc structure, wherein the first section (31) of the left clamp, the second section (32) of the left clamp, the third section (33) of the left clamp and the fourth section (34) of the left clamp all include a clamp frame I (35) as a skeleton structure and a clamp inner wire pulling pipe I (36) and a clamp outer reset spring pipe I (37) respectively fixed on both sides of the clamp frame I (35), a clamp reset spring (8) is clamped between the clamp outer reset spring pipes I (37) of adjacent sections, and the clamp frame I (35) of the first section (31) of the left clamp is integrally formed with a cross bar I extending from the top to the left and right sides at one end close to the right clamp (4), so that the clamp frame I (35) of the first section (31) of the left clamp is in a "T" shape.

2. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 1 is characterized in that: The right side clamp (4) comprises, from top to bottom, a right clamp first section (41), a right clamp second section (42), a right clamp third section (43) and a right clamp fourth section (44) which are hinged to each other. The right clamp first section (41), the right clamp second section (42), the right clamp third section (43) and the right clamp fourth section (44) in the right side clamp (4) have the same cross-sectional structure, and the corresponding curvatures after closing are also different.

3. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 2 is characterized in that: The right clamp (4) is a double arc splicing structure, wherein the first section (41) of the right clamp, the second section (42) of the right clamp, the third section (43) of the right clamp and the fourth section (44) of the right clamp all include two clamp frames II (45) of the same structure as the frame structure. The two clamp frames II (45) in the first section (41) of the right clamp are integrally formed near one end of the left clamp (3) and are connected with a cross bar II welded together with the cross bar I, so that the clamp frames II (45) in the first section (41) of the right clamp are in a "Π" shape. The inner side wire drawing pipe II (46) of the clamp and the outer side return spring pipe II (47) of the clamp are respectively arranged on both sides of each clamp frame II (45). The outer side return spring pipe II (47) of the clamp of adjacent sections is provided with a clamp return spring (8).

4. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 3 is characterized in that: The wire clamp inner wire drawing conduit I (36) and the wire clamp outer return spring conduit I (37) have the same cross-sectional structure and are both U-shaped. The wire clamp inner wire drawing conduit II (46) and the wire clamp outer return spring conduit II (47) also have the same cross-sectional structure and are both U-shaped. The wire clamp frame I (35) is provided with a wire clamp lining I (38) wrapped around the wire clamp inner wire drawing conduit I (36). Each wire clamp frame II (45) is provided with a wire clamp lining II (48) wrapped around the wire clamp inner wire drawing conduit II (46). The wire clamp lining I (38) and the wire clamp lining II (48) are both arc-shaped and made of gel material, and their inner sides are corrugated.

5. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 2 is characterized in that: The clamp frame I (35) on both sides of the clamp outer return spring pipe I (37) is provided with hook slideways (51) for facilitating the sliding of the clamp hook (5). The hook slideways (51) are two cross-sections of " " " shaped circular ring slide rail, the outer sides of the adjacent inter-section hook slideways (51) are connected with inter-section spring plates (52) for connecting the hook slideways (51) between the adjacent sections.

6. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 5 is characterized in that: The wire clamp hook (5) comprises a wire clamp hook bracket (57) having a circular portal frame cross section, a wire clamp hook sliding wheel (58) inserted at four corners at four free ends of the wire clamp hook bracket (57), and a wire clamp hook sliding wheel shaft (59). The wire clamp hook sliding wheel shaft (59) is used to limit the sliding displacement of the wire clamp hook sliding wheel (58) and enable the wire clamp hook sliding wheel (58) to rotate around it. The middle part of the wire clamp hook bracket (57) is provided with a lifting ring (7) for facilitating the threading of the pulling wire (2).

7. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 5 is characterized in that: The clamp base (1) comprises a clamp base telescopic rod (11), a clamp base telescopic adjuster (12), a clamp base support rod (13) and a clamp base fixing plate (14) which are connected in sequence, wherein the clamp base telescopic rod (11) is a round rod with a thread, and the top end of the rod is connected to the pull wire (2); the clamp base telescopic adjuster (12) comprises a clamp base telescopic adjuster sleeve (15), a clamp base telescopic adjuster oblique tube (16) and a clamp base telescopic adjuster spiral tube (17) which are assembled in sequence; the clamp base telescopic adjuster sleeve (15) is a round tube, and two clamp base telescopic adjuster limit rings (18) are connected on the inner wall of the sleeve, so that the clamp base telescopic rod (11) can pass through the sleeve; The clamp base telescopic adjuster oblique pipe (16) is a truncated cone-shaped pipe for the clamp base telescopic rod (11) to pass through; the clamp base telescopic adjuster screw pipe (17) is a short rod with a hexagonal cross-section on the outside and a screw hole in the middle, wherein the hexagon is used to use a wrench to screw the clamp base telescopic rod (11), and the screw hole is used for the clamp base telescopic rod (11) to be screwed through to adjust the length of the pull wire (2).

8. The emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 3 is characterized in that: There are three hoisting wires (63) wound around the motor shaft (62). The hoisting wire (63) located in the middle is inserted into the inner wire drawing pipe I (36) of the left wire clamp (3), and the hoisting wires (63) located on both sides are inserted into the inner wire drawing pipe II (46) of the right wire clamp (4). An electronic eye (64) is also provided on one side of the motor box (61).

9. The control method of the emergency wind-proof wire pulling device for split conductors carried by unmanned aerial vehicles according to claim 7 is characterized in that: The following steps are involved: S1. Establish a numerical model of power transmission lines in strong wind areas, and obtain the wind deflection of power transmission lines under different wind levels through wind-induced response analysis; S2. When the weather forecast predicts that strong winds are coming, the location where wind flashover can occur is determined based on the strong wind level and the wind flashover results obtained through numerical simulation, and the wind flashover prevention wire pulling device is transported to the location where wind flashover needs to be suppressed; S3. Use a drone to transport the device to the location where the device needs to be placed. When the clamp is open, control the clamp to descend so that it wraps the fittings between the split conductor and the insulator string. S4, starting the motor in the motor box (61), retracting the winch wire (63), causing the wire clamp to gradually close, and tightly wrapping the metal fittings between the split conductor and the insulator string; S5. Use a spiral anchor rod to fix the clamp base fixing plate (14) to the ground, use a wrench to screw the clamp base telescopic adjuster (12), tighten the tension wire (2), and make the clamp hook (5) gradually slide downward along the clamp hook slideway (51) from the top end when the clamp is in the open state until the tension wire (2) is tightened; S6. After the strong wind passes and the device is no longer needed, use a wrench to loosen the telescopic adjuster (12) at the base of the cable clamp, relax the cable (2), use a drone to hang the cable (2), start the motor in the motor box (61), relax the winch wire (63), and under the action of the cable clamp reset spring (8), the cable clamp gradually returns to the open state. The drone lifts the open cable clamp away from the power transmission line, and the device is loaded into the warehouse for next use.

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