A power distribution network lead positioning tool

CN120545870BActive Publication Date: 2026-10-16ANHU ELECTRIC TECHNOLOGY(HANGZHOU) CO LTD
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Patent Information

Application Number
CN202510738678.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-10-16
Estimated Expiration
2045-06-04

AI Technical Summary

Technical Problem

该引线支架对于不同的接火高度和接火位点具有较好的适应性,但使用前需要将绝缘横担固定在电线杆上,使用场景受限并且操作过程较为耗时

Benefits of technology

1、本发明使用时以待接火作业的架空导线作为支撑基础,将定位单元与架空导向固定连接,再利用定位单元的动力机构和定位基座使装配单元定位以及抬升,将待接引线抬升至架空导线的接火位点,整个操作过程中作业对象仅包含架空导线,无需寻找架空导线以外的支撑位点,使得本发明在作业过程中受地形因素的影响显著降低,具有更好的泛用性,能够应对多种不同的作业场景。

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Abstract

The application provides a power distribution network lead positioning tool, which comprises a positioning unit and an assembly unit; the positioning unit comprises a guide rod, a clamp arranged on the upper end of the guide rod, a positioning base movably matched with the guide rod, and a power mechanism for driving the positioning base to move along the axial direction of the guide rod; the assembly mechanism comprises a supporting rod, a parallel groove clamp arranged on the upper end of the supporting rod, and a connecting piece fixed to the side edge of the supporting rod, and the connecting piece can be detachably connected with the positioning base. When the application is used, the overhead conductor to be connected is used as the supporting foundation, the lead to be connected is lifted to the connection position of the overhead conductor through the power mechanism of the positioning unit, and the operation object only comprises the overhead conductor in the whole operation process, and it is not necessary to find a supporting position other than the overhead conductor, so that the influence of the terrain factor on the operation process of the application is significantly reduced, the application has better universality, and can cope with various operation scenes.
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Description

Technical Field

[0001] This invention relates to the field of live-line work in power distribution networks, and more specifically to a power distribution network lead positioning tool. Background Technology

[0002] When performing ground potential connection work on overhead power distribution lines, the operator needs to hold an insulated operating rod to lift the connection tool and the lead wire to be connected to the main line connection point at a high position and then perform the connection operation. Since the operation procedures require that the reserved length of the lead wire to be connected is generally not large, the lead wire is prone to generating large tension during the lifting process, which makes it impossible for manpower to lift the lead wire to the required height, resulting in connection failure. Moreover, the increasing power load has led to an increase in the diameter and weight of the lead wire to be connected, and the tension generated during the lifting of the conductor has become more and more obvious, further increasing the difficulty of the connection operation.

[0003] Patent application CN202110559009.6 discloses a lead wire fixing device for power distribution network operations. The device includes a base with an electric lifting rod mounted on it. This device replaces manual lifting with an electric lifting rod, reducing the difficulty of connection operations to some extent. However, the base needs to be fixed to the foundation or other supporting objects during use, which is inconvenient in some operating scenarios.

[0004] Patent application CN202010839973.X discloses a modular lead wire bracket for live-line working robots, comprising an insulating crossarm, a rotating connector, an insulating support rod, and a lead wire clamp. The insulating crossarm is mounted on a utility pole, the rotating connector connects the insulating support rod and the insulating crossarm, and a lead wire clamp is mounted on the upper end of the insulating support rod. This lead wire bracket is adaptable to different contact heights and contact points, but the insulating crossarm needs to be fixed to the utility pole before use, limiting its application scenarios and making the operation relatively time-consuming. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides a power distribution network lead positioning tool. This tool can lift the lead to the connection point using an electric lifting mechanism, reducing the difficulty of connection work. Furthermore, this tool is simple to operate and can adapt to different work scenarios.

[0006] A power distribution network lead positioning tool includes a positioning unit and an assembly unit. The positioning unit includes a guide rod, a clamp disposed at the upper end of the guide rod, a positioning base that movably cooperates with the guide rod, and a power mechanism that drives the positioning base to move axially along the guide rod. The assembly mechanism includes a support rod, a grooved clamp disposed at the upper end of the support rod, and a connector fixed to the side of the support rod. The connector can form a detachable connection with the positioning base.

[0007] In use, the clamp at the upper end of the guide rod is held in the side area of ​​the wire connection point, so that the guide rod is in a vertical fixed state. The positioning base is returned to a position close to the lower end of the guide rod. The lead to be connected is fixed to the parallel groove clamp at the upper end of the support rod. The support rod is connected to the positioning base through the connector, so that the parallel groove clamp is vertically aligned with the wire connection point. Then, the power mechanism is activated, so that the positioning base moves upward along the guide rod. The support rod and the parallel groove clamp move synchronously with the positioning base. The parallel groove clamp gradually moves upward toward the wire connection point. After reaching the wire connection point, the power mechanism stops operating. Subsequently, the lead and the lead to be connected can be connected through the parallel groove clamp to realize the ground potential connection operation. To achieve stable lifting and positioning of the lead wire, a fixed support structure is usually required as the basis for lifting the lead wire. For example, the patent application CN202110559009.6 uses an electric lifting pole, which requires a stable foundation to place the base of the electric lifting pole. The patent application CN202010839973.X requires fixing the insulating crossarm to the utility pole to achieve the positioning of the insulating support and lead wire clamp. The common point of these solutions is that they require finding a support point outside the overhead conductor for construction, which makes the construction process limited by the geographical environment and cannot generally meet the needs of connection operations in various situations. However, this invention breaks through by placing the support point on the overhead conductor to be operated. The positioning unit can be fixed on the side of the connection point of the overhead conductor. The installation of the positioning unit is almost unaffected by the geographical environment.

[0008] Furthermore, the power mechanism includes a motor and a transmission assembly driven by the motor. The transmission assembly includes a transmission rod that is rotatable about an axis and is driven by the motor, a winch that is fixedly connected to the transmission rod on the same axis, and a pull rope that is pulled by the winch. The axis of the transmission rod is perpendicular to the axis of the guide rod, and the pull rope is connected to the positioning base.

[0009] In common transmission systems, mechanisms for controlling the directional movement of objects typically include pneumatic rod mechanisms, lead screw mechanisms, and traction rope mechanisms. In the application scenario of this invention, since the installation and fixing of the positioning unit requires manual hand-held operation, the positioning unit needs to be made lighter in order to improve its operability. Therefore, this invention preferably uses a lightweight pull rope to move the positioning base, and the positioning base has a larger range of movement when moved by the pull rope, which can better meet the construction requirements.

[0010] Furthermore, the positioning base is provided with a pulley assembly, the first end of the pull rope is connected to the winch and is pulled by the winch, the second end of the pull rope is connected to a fixed end plate, the fixed end plate is fixed relative to the guide rod, and the middle part of the pull rope cooperates with the pulley assembly.

[0011] Compared to the solution of directly using a pull rope, the pulley assembly can reduce the traction force required by the pull rope, making it easier to lift the lead wire with a large diameter and weight, while also reducing the power requirements of the motor and reducing the cost of the equipment.

[0012] Furthermore, the pulley assembly includes a first longitudinal pulley, a second longitudinal pulley, a first transverse pulley, and a second transverse pulley. The axes of the first longitudinal pulley and the second longitudinal pulley are perpendicular to the guide rod, and the axes of the first transverse pulley and the second transverse pulley are parallel to the guide rod. The first longitudinal pulley and the second longitudinal pulley are coaxially spaced apart. The first transverse pulley and the second transverse pulley are located between the first longitudinal pulley and the second longitudinal pulley and offset from the axes of the first longitudinal pulley and the second longitudinal pulley. The pull rope sequentially engages with the first longitudinal pulley, the first transverse pulley, the second transverse pulley, and the second longitudinal pulley.

[0013] Furthermore, the positioning base includes a main body that is slidably sleeved with the guide rod and a suspension part disposed on the side of the main body, the suspension part having a positioning hook hole; the connector includes a connecting hook that can be inserted into the positioning hook hole.

[0014] Furthermore, the positioning base includes an upper clamping block, a positioning clamping plate, and a lower clamping block that are stacked and fixedly connected in sequence. The portion of the positioning clamping plate near the edge extends outward relative to the upper clamping block and the lower clamping block to form the suspension portion. The pulley assembly is positioned and connected to the upper clamping block.

[0015] Furthermore, the positioning hole has a plurality of mating points distributed around the circumference of the guide rod, and the hook is selectively connected to the suspension part through any of the mating points. At least a portion of the mating points are interconnected, allowing the hook to slide between the interconnected mating points.

[0016] Furthermore, the connector also includes a mounting base; the mounting base includes an upper locking block, a mounting clamp, and a lower locking block stacked sequentially, the upper locking block and the lower locking block are both fixedly connected to the support rod, the upper and lower sides of the mounting clamp are fixedly abutting against the upper locking block and the lower locking block respectively, a portion of the mounting clamp extends outward relative to the support rod to form a mounting platform, and the connecting hook is fixedly connected to the mounting platform.

[0017] Furthermore, the connector also includes an insulating mounting block, which is fixedly connected to the mounting platform, and the connecting hook is fixedly connected to the insulating mounting block.

[0018] Furthermore, the lower locking block is provided with a limiting protrusion extending around the support rod on the side near the mounting plate, and the mounting plate is provided with a mating hole in the middle that can cooperate with the outer side wall of the limiting protrusion. The protrusion height of the limiting protrusion does not exceed the thickness of the mounting plate.

[0019] Furthermore, the positioning unit is equipped with an electronic control module for controlling the clamp and the power mechanism, and the power distribution network lead positioning tool also includes a controller that can send signals to the electronic control module.

[0020] The following beneficial effects can be achieved by applying this invention: 1. When using this invention, the overhead conductor to be connected to the ignition point is used as the supporting foundation. The positioning unit is fixedly connected to the overhead guide. Then, the power mechanism and positioning base of the positioning unit are used to position and lift the assembly unit, raising the lead wire to be connected to the ignition point of the overhead conductor. During the entire operation, the working object only includes the overhead conductor, and there is no need to find a supporting point other than the overhead conductor. This significantly reduces the impact of terrain factors during the operation, making the invention more versatile and able to cope with a variety of different working scenarios.

[0021] 2. This invention is easy to use and has high work efficiency. During use, you only need to fix the clamp to the side area of ​​the overhead conductor connection point, and then connect the assembly unit carrying the lead to be connected to the positioning base to start the positioning and lifting of the lead to be connected. The operation steps are few and the operation difficulty is low.

[0022] 3. In some embodiments of the present invention, the power mechanism pulls the positioning base to move using a lightweight pull rope, which reduces the weight of the positioning unit and improves its maneuverability. In a preferred embodiment, the pull rope is connected to the positioning base through a pulley assembly, which improves the stability during the traction process, reduces the traction force required by the pull rope, facilitates the lifting of lead wires with large diameters and weights, and also reduces the power requirements of the motor, thereby reducing equipment costs.

[0023] 4. In some embodiments of the present invention, the positioning hole has a plurality of mating points distributed around the circumference of the guide rod, and at least a portion of the mating points are interconnected, allowing the hook to slide between the interconnected mating points. After the assembly unit is connected to the positioning unit via the hook, the assembly unit can move around the positioning unit in the circumferential direction, thereby controlling the horizontal position of the parallel groove clamp at the upper end of the support rod, which facilitates the connection of the parallel groove clamp to the overhead conductor. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the distribution network lead positioning tool in the embodiment; Figure 2 This is a schematic diagram of the positioning unit in the embodiment; Figure 3 This is an exploded view of the power mechanism and positioning base in the embodiment; Figure 4 This is an exploded view of the mounting base in the embodiment; Figure 5 This is a schematic diagram of the first working state of the power distribution network lead positioning tool in the embodiment; Figure 6 This is a schematic diagram of the second working state of the power distribution network lead positioning tool in the embodiment; In the diagram: 1-Positioning unit, 11-Guide rod, 12-Clamp, 13-Positioning base, 131-Main body, 132-Suspension part, 1321-Hanging hole, 133-Pulley assembly, 1331-First longitudinal pulley, 1332-First transverse pulley, 1333-Second transverse pulley, 1334-Second longitudinal pulley, 134-Traction hole, 13a-Upper clamping block, 13b-Positioning clamping plate, 13c-Lower clamping block, 14-Power mechanism, 141-Motor, 142-Transmission rod. 143-Windlass, 1431-Through hole, 1432-Fixing pressure plate, 144-Pull rope, 1441-Fixing end plate; 2-Assembly unit, 21-Support rod, 22-Parallel groove clamp, 23-Connector, 231-Hook, 232-Lower locking block, 233-Mounting clamp, 2331-Matching hole, 2332-Mounting platform, 234-Lower locking block, 2341-Limiting protrusion ring, 235-Insulating mounting block; 3-Overhead conductor, 31-Connection point; 4-Lead to be connected. Detailed Implementation

[0025] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. 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 of ordinary skill in the art without creative effort are within the scope of protection of the present invention. Example

[0026] Reference Figure 1 An embodiment of the first aspect of the present invention provides a power distribution network lead positioning tool, which includes a positioning unit 1 and an assembly unit 2. The positioning unit 1 includes a guide rod 11, a clamp 12 disposed on the upper end of the guide rod, a positioning base 13 slidably engaged with the guide rod, and a power mechanism 14 for driving the positioning base to slide along the axial direction of the guide rod. The assembly unit 2 includes a support rod 21, a grooved wire clamp 22 disposed on the upper end of the support rod, and a connector 23 fixed to the side of the support rod. The connector can form a detachable connection with the positioning base. Combination Figure 5 and Figure 6The working principle of this embodiment is as follows: First, the clamp 12 is manually clamped on the side of the connection point 31 of the overhead conductor 3, so that the guide rod is in a longitudinally fixed state. The positioning base 13 is moved to a position close to the lower end of the guide rod 11 by the power mechanism, and the end of the lead wire 4 to be connected is fixed on the parallel groove clamp 22. Then, the connector 23 is connected to the positioning base 13, so that the support rod is in a longitudinal state that is basically parallel to the guide rod. Next, the positioning base 13 is moved upward along the guide rod 11 by the power mechanism. At the same time, the support rod 21 and the parallel groove clamp 22 move upward and gradually approach the connection point 31. When the parallel groove clamp 22 reaches the appropriate construction position, the power mechanism stops operating, and the overhead conductor is connected to the parallel groove clamp, so that the electrical connection between the overhead conductor and the lead wire to be connected can be realized. In order to improve construction safety, the guide rod 11 and the support rod 21 should be made of insulating material.

[0027] The embodiments of the present invention also provide a specific structure of the clamp 12: the clamp 12 includes a fixed claw and a movable claw, the movable claw is connected to an electric drive device, the electric drive device controls the distance between the movable claw and the fixed claw to achieve the clamping effect, the electric drive device is matched with a controller, the controller controls the working state of the electric drive device by sending signals, the controller can achieve the control effect by sending signals through a circuit directly connected to the electric drive device, or by sending wireless signals to the electric drive device, in a more preferred embodiment, the fixed claw and the movable claw extend radially along the guide rod, and the fixed claw is disposed on the upper side of the movable claw, in the process of clamping the overhead wire, the fixed claw can be first placed on the upper side of the overhead wire, and then the movable claw can be controlled to move, so that the clamp and the overhead wire are relatively fixed.

[0028] It should be noted that, given the premise of satisfying the functions of fixed clamping and self-locking, the clamp 12 in this invention may adopt other structures. For example, in another embodiment, a return spring is provided between the two jaws of the clamp. The return spring makes the two jaws in a clamped state when they are not subjected to external force, thereby realizing the functions of fixed clamping and self-locking. The operator controls the movement of one or two jaws of the clamp through a mechanical transmission mechanism to open and close the clamp.

[0029] Combination Figure 2 and Figure 3The embodiments of the present invention also provide a specific structure of the power mechanism: the power mechanism 14 includes a motor 141, a transmission rod 142, a winch 143, and a pull rope 144. The transmission rod can rotate around an axis under the drive of the motor. The transmission rod and the motor can be connected by a steering gear to reduce the impact of motor vibration on the winch and pull rope, and to facilitate the spatial arrangement of each component. The winch is coaxially connected to the transmission rod and can rotate around an axis under the drive of the transmission rod. The pull rope is connected to the winch and is pulled by the winch during the rotation of the winch. The winch includes a winch shaft and limiting baffles disposed at both ends of the winch shaft. When the winch rotates in the first direction, the pull rope gradually winds around the outer wall of the winch shaft, and the length of the free portion of the pull rope gradually decreases. When the winch rotates in the second direction, the pull rope gradually unwinds from the winch shaft, and the length of the free portion of the pull rope gradually increases. When the free portion of the pull rope connects to the positioning base, the rotation of the winch will cause the positioning base to slide along the axial direction of the guide rod. In a further embodiment, the positioning base is provided with a pulley assembly 133. The middle part of the pull rope cooperates with the pulley assembly, the first end of the pull rope is connected to the winch, and the second end of the pull rope is connected to a fixed end plate and fixed to the upper end of the guide rod. Under the action of the pulley assembly, the pulling force required to pull the rope is reduced when lifting the same weight of lead wire to be connected, which can improve the service life of the pull rope and reduce the power requirement of the motor; in a further embodiment, the pulley assembly 133 includes a first longitudinal pulley 1331, a second longitudinal pulley 1334, a first transverse pulley 1332, and a second transverse pulley 1333. The axes of the first longitudinal pulley and the second longitudinal pulley are perpendicular to the guide rod, and the axes of the first transverse pulley and the second transverse pulley are parallel to the guide rod. The first longitudinal pulley and the second longitudinal pulley are coaxially spaced apart, and the first transverse pulley and the second transverse pulley are disposed on the first The pull rope is positioned between the first and second longitudinal pulleys and offset from their axes. It is sequentially connected to the first longitudinal pulley 1331, the first transverse pulley 1332, the second transverse pulley 1333, and the second longitudinal pulley 1334. The pull rope is divided into five sequentially connected sections with the four pulleys as turning points. The two sections near the two ends are approximately parallel to the axis of the guide rod, and the three sections in the middle are approximately parallel to the radial section of the guide rod. With the two transverse pulleys, the pull rope is more stable during traction, the vibration of the positioning base is reduced, and the impact on the assembly unit can be reduced. An embodiment of the present invention also provides a connection method between the pull rope 144 and the winch 143. The winch has a through hole 1431 on its limiting baffle. The first end of the pull rope passes through the through hole 1431 and extends to the outside of the limiting baffle. A fixing plate 1432 is provided on the outside of the limiting baffle. The fixing plate is connected to the limiting baffle by screws and clamps the end of the pull rope between the limiting baffle and the fixing plate.

[0030] It should be noted that the power mechanism 14 may use other transmission structures to drive the positioning base. For example, in some embodiments, the positioning base can be pushed along the guide rod by a push rod, and in other embodiments, the propulsion force generated during the rotation of the lead screw can be used to make the positioning base that cooperates with the lead screw slide along the guide rod.

[0031] Combination Figure 2 and Figure 3 The embodiments of the present invention also provide a specific structure of the positioning base 13: the positioning base 13 includes a main body 131 and a suspension part 132 disposed on the side of the main body. The suspension part has a positioning hanging hole 1321. The main body has a sleeve hole in the middle that slides with the guide rod. The guide rod and the sleeve hole have a non-circular cross-section to prevent the positioning base from rotating along the outer periphery of the guide rod. Correspondingly, the connecting member 23 includes a hook 231 that can be inserted into the positioning hanging hole 1321. In a further embodiment, the positioning base consists of an upper clamping block 13a, a positioning clamping plate 13b, and a lower clamping block 13c stacked in sequence. The portion of the positioning clamping plate near the edge extends outward relative to the upper clamping block and the lower clamping block to form the suspension part 132. The upper clamping block... An installation cavity is provided, in which the pulley assembly 133 is disposed and positioned and connected to the upper clamping block. The upper clamping block has a traction hole 134 communicating with the installation cavity on the side away from the positioning clamping plate. The pull rope extends into or out of the installation cavity from the traction hole and is connected to the pulley assembly. In a further embodiment, the positioning hanging hole 1321 has a plurality of mating points distributed around the circumference of the guide rod. The hook selectively connects to the suspension part 132 through any of the mating points. At least a portion of the mating points are interconnected to form an arc-shaped slide around the guide rod. The hook 231 can slide in the arc-shaped slide and cause the assembly unit 2 to move circumferentially around the guide rod 11, thereby changing the horizontal position of the parallel groove clamp 12 to facilitate the connection of the parallel groove clamp to the overhead conductor.

[0032] Combination Figure 4The embodiments of the present invention also provide a specific structure of the connector 23: the connector 23 includes a mounting base fixedly connected to the support rod 21 and a hook 231 fixedly connected to the mounting base. The mounting base includes an upper locking block 232, a mounting clamping plate 233, and a lower locking block 234 stacked sequentially. The upper locking block and the lower locking block are both fixedly connected to the support rod. The upper and lower sides of the mounting clamping plate are fixedly abutted against the upper locking block and the lower locking block, respectively. A portion of the mounting clamping plate 233 extends outward relative to the support rod 21 to form a mounting platform 2332. An insulating mounting block 235 is fixed to the mounting platform 2332 by screws. 332, the hook 231 is detachably connected to the insulating mounting block by screws. In this invention, the hook and mounting base are preferably made of metal material for structural strength considerations. The insulating mounting block blocks the connection path between the mounting base and the hook, improving construction safety. For ease of installation, the upper locking block can be formed by assembling two semi-circular ring structures with screws, and the lower locking block is similarly assembled. In a further embodiment, the lower locking block is provided with a limiting protrusion 2341 extending around the support rod on the side near the mounting clamp. The middle part of the mounting clamp is provided with a mating hole 2331 that can mate with the outer side wall of the limiting protrusion. The protrusion height of the limiting protrusion does not exceed the thickness of the mounting clamp.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A power distribution network lead positioning tool, characterized in that: The system includes a positioning unit (1) and an assembly unit (2). The positioning unit (1) includes a guide rod (11), a clamp (12) disposed on the upper end of the guide rod, a positioning base (13) that is movably engaged with the guide rod, and a power mechanism (14) that drives the positioning base to move along the axial direction of the guide rod. The assembly unit (2) includes a support rod (21), a grooved wire clamp (22) disposed on the upper end of the support rod, and a connector (23) fixed to the side of the support rod. The connector (23) can be detachably connected to the positioning base (13). The power mechanism (14) includes a motor (141) and a transmission assembly driven by the motor. The transmission assembly includes a transmission rod (142) that is rotatable about an axis and is connected to the motor, a winch (143) that is fixedly connected to the transmission rod on the same axis, and a pull rope (144) that is pulled by the winch. The axis of the transmission rod is perpendicular to the axis of the guide rod, and the pull rope is connected to the positioning base. The positioning base is provided with a pulley assembly (133), the first end of the pull rope is connected to the winch (143) and is pulled by the winch, the second end of the pull rope is connected to a fixed end plate (1441), the fixed end plate is fixed relative to the guide rod, and the middle part of the pull rope cooperates with the pulley assembly; The pulley assembly includes a first longitudinal pulley (1331), a second longitudinal pulley (1334), a first transverse pulley (1332), and a second transverse pulley (1333). The axes of the first and second longitudinal pulleys are perpendicular to the guide rod, and the axes of the first and second transverse pulleys are parallel to the guide rod. The first and second longitudinal pulleys are coaxially spaced apart. The first and second transverse pulleys are located between the first and second longitudinal pulleys and offset from the axes of the first and second longitudinal pulleys. The pull rope is sequentially engaged with the first longitudinal pulley, the first transverse pulley, the second transverse pulley, and the second longitudinal pulley.

2. The power distribution network lead positioning tool according to claim 1, characterized in that: The positioning base includes a main body (131) that is slidably sleeved with the guide rod and a suspension part (132) disposed on the side of the main body. The suspension part has a positioning hanging hole (1321). The connector (23) includes a connecting hook (231) that can be inserted into the positioning hanging hole.

3. The power distribution network lead positioning tool according to claim 2, characterized in that: The positioning base includes an upper clamping block (13a), a positioning clamping plate (13b), and a lower clamping block (13c) that are stacked and fixedly connected in sequence. The portion of the positioning clamping plate near the edge extends outward relative to the upper clamping block and the lower clamping block to form the suspension part (132). The pulley assembly (133) is positioned and connected to the upper clamping block (13a).

4. A power distribution network lead positioning tool according to claim 2, characterized in that: The positioning hole (1321) has a plurality of mating points distributed around the circumference of the guide rod. The connecting hook (231) is selectively connected to the suspension part through any of the mating points. At least a portion of the mating points are interconnected, allowing the hook to slide between the interconnected mating points.

5. A power distribution network lead positioning tool according to claim 2, characterized in that: The connector also includes a mounting base; the mounting base includes an upper locking block (232), a mounting clamp (233), and a lower locking block (234) stacked in sequence. The upper locking block and the lower locking block are fixedly connected to the support rod. The upper and lower sides of the mounting clamp are fixedly abutted against the upper locking block and the lower locking block, respectively. A portion of the mounting clamp extends outward relative to the support rod to form a mounting platform (2332). The connecting hook (231) is fixedly connected to the mounting platform.

6. A power distribution network lead positioning tool according to claim 5, characterized in that: The connector also includes an insulating mounting block (235), which is fixedly connected to the mounting platform (2332), and the connecting hook (231) is fixedly connected to the insulating mounting block.

7. A power distribution network lead positioning tool according to claim 5, characterized in that: The lower locking block (234) is provided with a limiting protrusion (2341) around the support rod on the side near the mounting clamp (233). The middle part of the mounting clamp is provided with a mating hole (2331) that can cooperate with the outer side wall of the limiting protrusion (2341). The protrusion height of the limiting protrusion does not exceed the thickness of the mounting clamp.

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