Wire shield automatic short circuit device

Abstract

The utility model discloses a wire shield automatic short-circuit device, and the device comprises a guide rail part which is used for forming a channel between the ground and a wire, and is specifically a flat belt structure; the driving mechanism is used for moving along the guide rail component; the shield assembly is connected with the driving mechanism, the driving mechanism drives the shield assembly to move relative to the guide rail component, and the wire connecting piece is arranged in the shield assembly; wherein in the moving process of the shield assembly relative to the guide rail component, the shield assembly pulls the wire connecting piece to establish conductive channels among different wires. The wire shield automatic short-circuit device realizes short-circuit connection among in-phase split wires, can effectively balance current loads of the wires, avoids looseness of bolts of a drainage plate caused by current imbalance, reduces heating phenomena caused by unequal potentials among the wires, prolongs the service life of equipment, and protects normal operation of the equipment.

Description

Technical Field

[0001] The present application relates to the technical field of high-altitude operations on power lines, and in particular to an automatic short-circuiting device for a conductor shield. Background Art

[0002] In the field of power engineering, with the continuous expansion of power grids and the growing demand for power transmission, conductor layouts are becoming increasingly complex and diverse. In particular, in some high-voltage transmission lines, intra-phase split conductors are often used to increase transmission capacity and improve efficiency. However, this structure also presents a series of technical problems.

[0003] During normal operation, due to factors such as manufacturing processes, installation errors, and the operating environment, current load imbalances may occur between split conductors within a phase. This can cause the drain plate bolts to gradually loosen under long-term uneven loads, leading to unequal potentials between the conductors. This potential difference can cause abnormal current flow between the conductors, generating excessive heat. This not only accelerates equipment aging and reduces its service life, but can also affect power supply stability and even cause power outages, posing a serious threat to the safe and reliable operation of the power system.

[0004] In the face of ice and snow disasters, conductors need to be de-iced. If the split conductors within a phase cannot be effectively short-circuited, the de-icing current cannot be evenly distributed across the conductors, causing overcurrent in some conductors, leading to ablation and damage to the conductors, seriously affecting the normal operation of the transmission line, resulting in huge economic losses and social impacts.

[0005] Therefore, there is an urgent need for a technical means to solve the above problems, so as to achieve effective short-circuit connection between the split conductors in the phase, balance the current load, prevent the adverse effects caused by unequal potential, and ensure uniform distribution of ice-melting current during ice-melting operations, protect the conductors and equipment, and ensure stable power supply of the power system. Utility Model Content

[0006] The purpose of this application is to provide a conductor shield automatic short-circuiting device to complete stable and efficient circuit conductor short-circuiting.

[0007] In order to achieve the above objectives, the technical solution adopted in this application is: to provide an automatic short-circuiting device for a conductor shield, comprising: a guide rail component, the guide rail component is used to form a channel from the ground to the conductor; a driving mechanism for moving along the guide rail component; a shield assembly and a conductor connector, the shield assembly is connected to the driving mechanism, the driving mechanism drives the shield assembly to move relative to the guide rail component, and the conductor connector is placed in the shield assembly; wherein, during the movement of the shield assembly relative to the guide rail component, the shield assembly pulls the conductor connector to establish a conductive channel between different conductors.

[0008] As a preferred embodiment, the shield assembly includes: a head connector, a middle connector and a tail connector, which are connected in sequence; wherein the head connector is used to guide the wire connector to connect with the wire, the middle connector is used to support the wire connector, and the tail connector is used to connect with the driving mechanism, and the wire connector is fixedly connected to the head connector and movably connected to the middle connector.

[0009] As another preferred embodiment, the head connector includes a slope guide portion, which is used to wedge open the portion where the guide rail component and the wire are in contact, so as to allow the wire connector to pass through.

[0010] Further preferably, the head connector is further provided with a first flat belt channel, the first flat belt channel is used for connecting the guide rail component with the head connector, and the first flat belt channel is used for clamping and guiding the guide rail component.

[0011] Preferably, the middle connector is composed of multiple shield sections, which are connected in pairs to form a second flat belt channel for the guide rail component to pass through. The shield section is also provided with a connecting plate body, which is used to fix the wire connector relative to the shield section.

[0012] Preferably, the plurality of shield sections are hingedly connected, and the head connector is hinged to the shield section at the end, and the tail connector is hinged to the shield section at the other end; the hinge points between the shield sections, and the hinge points between the shield sections and the head connector and the tail connector are all provided with a rotation space greater than the first angle.

[0013] Preferably, the wire connector is bonded to the connecting plate body, and an extension direction of the wire connector is consistent with an extension direction of the plurality of shield segments connected thereto.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The equipment is protected by current load balancing. The short-circuit connection between the split conductors in the phase is achieved through the automatic short-circuiting device of the conductor shield, which can effectively balance the current load of each conductor, avoid the loosening of the drainage plate bolts due to current imbalance, and reduce the heat caused by unequal potential between the conductors, thereby extending the service life of the equipment and protecting its normal operation.

[0016] At the same time, stable current distribution helps maintain stable power supply for the entire power system, reduce the risk of power outages, and improve power supply reliability.

[0017] During ice-melting operations, the device evenly distributes the melting current across all conductors, achieving synchronized ice melting. This ensures that each conductor receives the appropriate melting current, preventing overcurrent erosion of individual conductors, protecting the conductors connected to the melting current, and improving the safety and effectiveness of ice-melting operations.

[0018] The provision of the guide rail components can conveniently form a channel from the ground to the conductor, providing a basis for subsequent operations.

[0019] The driving mechanism drives the shield assembly to move along the guide rail components to realize automated operation, improve work efficiency and reduce manpower input.

[0020] The rational design of the shield assembly's head, middle, and tail connectors enables it to smoothly guide the wire connectors to connect with the wires, support the wire connectors, and effectively connect with the drive mechanism. The sloped guide portion of the head connector can smoothly wedge the guide rails and wires apart, facilitating the passage of the wire connectors. The multiple shield sections of the middle connector are hinged and have rotational space, facilitating adaptation to different wire arrangements and enabling flexible connection to the wires. The tail connector ensures a reliable connection with the drive mechanism. Together, they ensure that the entire device establishes a stable conductive path between the wires, achieving efficient short-circuiting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of the automatic short-circuiting device for the conductor shield;

[0022] Figure 2 This is a structural diagram of the position of the head connector in the automatic short-circuiting device of the conductor shield;

[0023] Figure 3 This is a schematic diagram of the structure of the shield assembly;

[0024] Figure 4 This is the three-view drawing of the head connector;

[0025] Figure 5 It is the three-view drawing of the shield section;

[0026] Figure 6 This is the three-view drawing of the tail connector;

[0027] Figure 7 This is a schematic diagram of the conductor shield automatic short-circuiting device connecting conductor A and conductor B;

[0028] Figure 8 for Figure 7 Schematic diagram of the subsequent operation of the automatic short-circuiting device for the middle conductor shield connecting conductor A and conductor B;

[0029] Figure 9 This is a schematic diagram of the working principle of the automatic short-circuit device of the conductor shield;

[0030] Figure 10 This is a structural diagram of the conductor shield automatic short-circuiting device applicable to conductors between phases;

[0031] Figure 11 It is a structural diagram of the driving mechanism;

[0032] Figure 12 A schematic diagram of the structure of the drive structure from a side perspective;

[0033] Figure 13 This is a structural diagram of the automatic short-circuiting device for the conductor shield applicable to the iron tower.

[0034] Figure: 1. Automatic short-circuiting device for conductor shield; 2. Conductor; 3. Conductor A; 4. Conductor B; 5. Short-circuiting conductor; 6. Grounding wire; 7. Ground; 8. Tower; 10. Guide rail assembly; 20. Drive mechanism; 21. Main plate; 22. Auxiliary plate; 23. Driving gear; 24. Driven gear; 25. Drive motor; 251. Drive motor mounting base bolts; 252. Drive motor mounting bolts; 253. Drive motor shaft; 254. Drive motor mounting Base plate; 255, driving motor transition flange plate; 26, driving gear sleeve; 27, driving gear shaft; 28, bearing; 30, shield assembly; 31, head connector; 311, slope guide; 312, first flat belt channel; 313, welding point; 32, middle connector; 321, shield section; 322, second flat belt channel; 323, connecting plate; 33, tail connector; 331, fixing hole; 34, pin seat; 40, wire connector. DETAILED DESCRIPTION

[0035] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0036] In the description of this application, it should be noted that for directional words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, the directions and positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of this application.

[0037] It should be noted that the terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0038] The terms "comprises" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, product or apparatus.

[0039] In a preferred embodiment, see Figures 1 to 13 The present application provides a conductor shield automatic short-circuiting device 1, comprising: a guide rail component 10, the guide rail component 10 is used to form a channel between the ground 7 and the conductor 2, and the guide rail component 10 is specifically a flat belt structure; a driving mechanism 20 for moving along the guide rail component 10; a shield assembly 30 and a conductor connector 40, the shield assembly 30 is connected to the driving mechanism 20, the driving mechanism 20 drives the shield assembly 30 to move relative to the guide rail component 10, and the conductor connector 40 is placed in the shield assembly 30; wherein, during the movement of the shield assembly 30 relative to the guide rail component 10, the shield assembly 30 pulls the conductor connector 40 to establish a conductive channel between different conductors 2, and the conductor connector 40 is specifically a flat copper soft wire in this application document.

[0040] It should be noted that the flat belt is specifically a lifting flat belt, which is thrown by a drone and forms a channel from the ground 7 to the conductor 2 after it crosses the conductor 2 and lands on the ground. The specifications of the flat belt are selected according to the load requirements and the requirements of the overcurrent capacity. The driving mechanism 20 is an electric traction trolley that climbs along the flat belt, and the flat copper soft conductor 2 is selected according to the overcurrent capacity. At the same time, the short-circuit connection between the split conductors 2 in the phase can balance the current load of each conductor 2 under the condition of equal potential, prevent the loosening of the drain plate bolts, and the phenomenon of heating caused by the unequal potential between the conductors 2, thereby protecting the equipment and stabilizing the power supply. When performing ice melting operations, the short-circuit connection between the split conductors 2 in the phase can evenly distribute the ice melting current of each conductor 2, achieve synchronous ice melting, and protect the conductor 2 connected to the ice melting current from overcurrent ablation.

[0041] As a preferred embodiment, the shield assembly 30 includes: a head connector 31, a middle connector 32 and a tail connector 33, which are connected in sequence; wherein, the head connector 31 is used to guide the wire connector 40 to connect with the wire 2, the middle connector 32 is used to support the wire connector 40, and the tail connector 33 is used to connect with the driving mechanism 20, and the wire connector 40 is fixedly connected to the head connector 31 and movably connected to the middle connector 32.

[0042] As another preferred embodiment, the head connector 31 includes: a slope guide portion 311, the slope guide portion 311 is used to wedge open the part where the guide rail component 10 is in contact with the conductor 2 to allow the conductor connector 40 to pass through. It should be noted that the head connector 31 in this application document is specifically a shield head. The shield head is an aluminum component that is light and has high strength. The slope guide portion 311 is located at the end position of the shield head. When the shield mechanism runs to the position where the flat belt and the conductor 2 overlap, the slope guide portion 311 can easily wedge open the overlap between the flat belt and the conductor 2, and then pull the flat copper wire connection to pass through the conductor 2; at the same time, preferably, the flat copper wire and the shield head are welded together through the welding point 313.

[0043] Further preferably, the head connector 31 is also provided with a first flat belt channel 312, and the first flat belt channel 312 is used to connect the guide rail component 10 with the head connector 31. The first flat belt channel 312 is used for clamping and guiding the guide rail component 10. Specifically, the first flat belt channel 312 allows the shield head and the flat belt sleeve to be connected, and realizes clamping and guiding.

[0044] Preferably, see Figures 4 to 6 The middle connecting member 32 is composed of multiple shield sections 321, and the multiple shield sections 321 are connected in pairs to form a second flat belt channel 322 for the guide rail component 10 to pass through. The shield section 321 is also provided with a connecting plate body 323, and the connecting plate body 323 is used to fix the wire connector 40 relative to the shield section 321.

[0045] Preferably, multiple shield segments 321 are hingedly connected by provided through-pin seats 34, and the head connector 31 is hinged to the shield segment 321 at the end, that is, the shield head and the shield segment 321 are connected by the provided through-pin seats 34, and the tail connector 33 is hinged to the shield segment 321 at the other end, and the tail connector 33 is specifically a shield seat, and the shield seat is also provided with a through-pin seat 34, and then the shield seat and the shield segment 321 are hinged by the provided through-pin seat 34; the hinge points between the shield segments 321, the hinge points between the shield segments 321, the shield segments 321 and the head connector 31 and the tail connector 33 are all provided with a rotation space greater than the first angle, and the first angle is preferably 180 degrees, so as to facilitate the shield segment 321 to complete the rotation, for example Figure 8 shown.

[0046] Preferably, the shield section 321 and the shield seat are both made of aluminum, the connecting plate 323 is specifically an adhesive plate, and the wire connector 40 is bonded to the connecting plate 323, and the flat copper wire is bonded to the side of the shield section 321. The extension direction of the wire connector 40 is consistent with the extension direction of the connection of the multiple shield sections 321. Figure 6 The fixing hole 331 of the shield seat is used to connect with the driving mechanism 20, and the pin seat 34 is connected with the shield section 321 through a pin.

[0047] In a specific use, the number of hinged connections between the shield sections 321 can be reasonably configured according to the spacing of the conductors 2 that need to be short-circuited. They can also be hingedly connected to the shield head and shield base. All hinge points have a rotation space greater than 180 degrees, making it convenient and quick to pass through the conductor 2. The shield head, shield sections 321, and shield base are hingedly connected, with multiple joints that are movable, similar to a centipede structure. The entire shield assembly 30 is sleeved on the flat belt and can move along the direction of the flat belt, with a good fit and easy sliding. The flat copper wire is welded to the shield head and bonded to the shield section 321, forming a movable connecting conductor 2. The shield assembly 30 can be connected to the corresponding position when it moves to any position.

[0048] For specific usage, please refer to Figure 7 and Figure 8 The conductor shield automatic short-circuiting device 1 climbs along the flat belt, and conductor A3 and conductor B4 are the two conductors 2 to be short-circuited. Figure 7 The shield head has not yet touched the fitting position of the flat belt and the conductor 2, and in the process of gradually moving, Figure 8 As shown, at this time, the shield head guides the flat copper wire to fit with the conductor 2 through the slope guide part 311. As the conductor shield automatic short-circuiting device 1 gradually climbs and moves, the flat copper wire gradually fits the conductor A3 and the conductor B4 as a whole to complete the short-circuit.

[0049] Furthermore, an embodiment of the present application further provides a method for short-circuiting a conductor 2. The method for short-circuiting a conductor 2 is applicable to any one of the above-mentioned automatic short-circuiting devices 1 for a conductor shield. The method for short-circuiting a conductor 2 includes:

[0050] Step S100: Using a projectile device, the guide rail component 10 is thrown onto the wire 5 to be short-circuited, so as to form a channel between the ground 7 and the wire 2;

[0051] Step S200: Connect the drive mechanism 20 to the shield assembly 30 and insert and engage the shield assembly 30 with the guide rail component 10;

[0052] Step S300: controlling the driving mechanism 20 to drive the shield assembly 30 to move along the guide rail component 10 toward the conductor 2;

[0053] Step S400: The shield assembly 30 guides the wire connector 40 to establish a conductive channel between the wires 2 that are split and arranged in each phase to achieve a short-circuit connection.

[0054] See Figure 9 , the conductor 2 is specifically a four-phase split conductor 2, Figure 9Point A is when the conductor 2 is in its natural state, and the conductor 2 in the phase is split into four strands at the upper left, lower left, upper right, and lower right. Point B is where the vertical guide rail component 10 is laid out, and a flat belt is thrown by a drone and laid on the conductor 2 to form a channel from the ground 7 to the conductor 2. Point C is where the conductor shield automatic short-circuiting device 1 is assembled on the flat belt, and at point D the conductor shield automatic short-circuiting device 1 climbs along the flat belt, and at point E the conductor shield automatic short-circuiting device 1 moves to a position where the flat copper wire can be short-circuited, and the flat copper wire is gradually laid on the conductor 2 for short-circuiting, and then the transition occurs to point F, where the conductor shield automatic short-circuiting device 1 completes the short-circuiting operation of the four split conductors 2 in the phase. Figure 9 A, B, C, D, E, and F are status scenarios that are carried out in sequence and have a chronological order.

[0055] Further preferably, the short-circuiting method of the conductor 2 can also be applied to the short-circuiting connection between the conductors 2 arranged between the phases outside the phase, see Figure 10 The method for short-circuiting the conductor 2 also includes: before step S300, it includes: connecting multiple conductor shield automatic short-circuiting devices 1 on the conductor 2 set between phases outside the phase with a short-circuiting conductor 5; after testing the electricity, the conductor shield automatic short-circuiting device 1 located at one end is grounded with a grounding wire 6, and at the same time, multiple conductor shield automatic short-circuiting devices 1 are controlled to climb to perform short-circuiting connections of the conductors 2 split within the phase.

[0056] Specifically, different from Figure 9 Wire 2 in Figure 10 The three four-split conductors 2 shown in the figure are three independently spaced conductors 2. The specific operation is to hang the ground wire 6 and the shorting wires 5 set at intervals, then climb up to short-circuit them, and then automatically hang the shorting ground wire 6. It should be noted that the electrical test must be carried out before hanging the ground wire to prevent serious accidents caused by improper operation.

[0057] Cooperate Figure 11 and Figure 12 As shown, a schematic diagram of the structure of the drive mechanism 20 applicable to the automatic short-circuiting device 1 for the conductor shield in the present application is shown. The drive mechanism 20 is provided with a main plate 21 and a secondary plate 22 at one end close to the shield assembly 30. The main plate 21 and the secondary plate 22 are arranged opposite each other. When the drive mechanism 20 drives the shield assembly 30 to rise along the flat belt, the main plate 21 can cooperate with the secondary plate 22 to converge the flat belts on both sides. At the same time, a drive motor 25 is provided in the drive mechanism 20. The drive motor 25 drives the driving gear 23 to operate, and the driving gear 23 further drives the driven gear 24 to rotate, and then the driving gear 23 cooperates with the driven gear 24 to complete the lifting of the drive mechanism 20 relative to the flat belt.

[0058] Furthermore, a driving gear shaft 27 and a driving gear sleeve 26 are provided around the periphery of the driving gear 23 in the drive mechanism 20, and a bearing 28 is provided at the end of the driving gear shaft 27 to further enhance the operational stability of the driving gear 23. The drive motor 25 is connected to the main body of the drive mechanism 20 via a drive motor mounting base bolt 251. Furthermore, to enhance the stability of the connection between the drive motor 25 and the main body of the drive mechanism 20, a drive motor mounting bolt 252 is provided at the opposite end of the drive motor mounting base bolt 251. These two bolts cooperate to further enhance the stability of the connection between the drive motor 25 and the main body of the drive mechanism 20. The drive motor shaft 253 is connected to the driving gear shaft 27, driving the driving gear shaft 27 to rotate via the drive motor shaft 253. The drive motor 25 also has a drive motor mounting base plate 254 and a drive motor transition flange plate 255 to further enhance the stability of the connection between the drive motor 25 and the main body of the drive mechanism 20 and prevent shaking during the lifting of the drive mechanism 20.

[0059] Furthermore, since the conductor connector 40 and the conductor 2 split in the phase are overlapped, the first width set by the guide rail component 10 is combined with the setting parameters of the conductor shield automatic short-circuiting device 1 to determine the flow area of ​​the conductor connector 40 and the conductor 2 split in the phase. Therefore, in a specific usage mode, the preferred setting parameters of the conductor shield automatic short-circuiting device 1 are provided, as well as the first width of the flat belt selected under a specific working condition. The preferred setting parameters are: conductor 2LGJ-630 / 45, cross-sectional area 630 square millimeters, diameter 33.6 mm, linear density 2.06 kg / m. The inter-phase spacing of conductor 2 is considered as 15 m for calculation. The ice melting current is 3000 amperes. The pressing force is 3 kN, and the flow capacity is 1.5 A / square millimeter, considering the crimping of 20 square centimeters (40*50).

[0060] Preferably, the climbing drive calculation of the drive mechanism 20 is as follows: the three-phase vertical climbing drag weight is 30 meters of wire 2 and the weight of three climbing mechanisms (considering 12kg for each), totaling 96kg, and each load is 32kg. The design climbing speed is 18 meters / minute (0.3m / s). Climbing power consumption: 96 watts. Therefore, a DC 24V120-watt worm gear reduction motor is selected. The mating drive gear is 1.5 modules and 20 teeth, with an outer diameter of 33mm and a gear speed of 173 rpm. Wire clamping drive calculation: In order to ensure the overcurrent capacity and protect the wire 2, the design maximum clamping force is 4kN, so the driving force of the gear rack is 4kN. The gear rack is designed to be 1.5 modules and 14 teeth. The outer diameter is 24mm and the pitch circle is 21mm. Its torque is: 42Nm. A DC 24V120-watt worm gear reduction motor with a gear speed of 18 rpm is selected.

[0061] For further information, see Figure 13, showing a schematic structural diagram of the automatic short-circuiting device 1 for a conductor shield machine suitable for use on an iron tower 8 in an actual scenario.

[0062] The above describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments. The above-described embodiments and the specification merely illustrate the principles of the present application. Various changes and improvements may be made to the present application without departing from the spirit and scope of the present application. These changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A conductor shield automatic short-circuiting device, characterized in that: include: A guide rail component, the guide rail component is used to form a channel from the ground to the conductor; a drive mechanism for moving along the guide rail member; a shield assembly and a wire connector, wherein the shield assembly is connected to the drive mechanism, the drive mechanism drives the shield assembly to move relative to the guide rail component, and the wire connector is placed in the shield assembly; Wherein, during the movement of the shield assembly relative to the guide rail component, the shield assembly pulls the wire connector to establish a conductive channel between different wires.

2. The automatic short-circuiting device for a conductor shield according to claim 1, characterized in that: The shield assembly comprises: The head connector, the middle connector and the tail connector are connected in sequence; Among them, the head connector is used to guide the wire connector to connect with the wire, the middle connector is used to support the wire connector, the tail connector is used to connect with the driving mechanism, and the wire connector is fixedly connected to the head connector and movably connected to the middle connector.

3. The automatic short-circuiting device for a conductor shield according to claim 2, characterized in that: The head connector includes: The slope guide portion is used to wedge open the portion where the guide rail component and the wire are in contact, so as to allow the wire connector to pass through.

4. The automatic short-circuiting device for a conductor shield according to claim 2, characterized in that: The head connector is further provided with a first flat belt channel, and the first flat belt channel is used for connecting the guide rail component with the head connector, and the first flat belt channel is used for clamping and guiding the guide rail component.

5. The automatic short-circuiting device for a conductor shield according to claim 2, characterized in that: The middle connecting member is composed of multiple shield sections, which are connected in pairs to form a second flat belt channel for the guide rail component to pass through. The shield section is also provided with a connecting plate body, which is used to fix the wire connector relative to the shield section.

6. The automatic short-circuiting device for a shield conductor according to claim 5, characterized in that: The plurality of shield segments are hingedly connected, and the head connector is hingedly connected to the shield segment at the end, and the tail connector is hingedly connected to the shield segment at the other end; The hinge points between the shield segments, the hinge points between the shield segments and the head connector and the tail connector are all provided with a rotation space greater than the first angle.

7. The automatic short-circuiting device for a shield conductor according to claim 5, characterized in that: The wire connector is bonded to the connecting plate body, and an extending direction of the wire connector is consistent with an extending direction of the plurality of shield segments.

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