A grid blocking and locking device

Abstract

This invention relates to the field of power transmission line operations and provides a power grid sealing and locking device, comprising a frame assembly with an opening for inserting a conductor; a rolling assembly disposed within the frame assembly at the top of the opening, for supporting the conductor and rolling relative to it; and a clamping assembly disposed on the frame assembly. The clamping assembly includes two sets of opposing clamping units, each comprising a drive device, a rotating component, and a pushing component. The rotating component is rotatably mounted on the frame assembly, with one end connected to the drive device and the other end connected to the pushing component. The drive device drives the rotating component to rotate, thereby causing the two opposing pushing components to clamp the conductor. Compared to traditional scissor-type structures, the split-type dual-drive design avoids excessive local pressure that could damage the insulation layer, improving the safety and reliability of the sealing operation.

Description

Technical Field

[0001] This invention belongs to the field of power transmission line operation, and particularly relates to a power grid sealing and locking device. Background Technology

[0002] In high-altitude operations such as power grid maintenance and renovation, netting is a common protective measure. Insulating nets are laid beneath high-voltage transmission lines to prevent tools or materials from falling and damaging the lines or buildings below. The locking device, as the core component that reliably secures the insulating net to the high-voltage conductor, directly affects the overall stability and operational safety of the netting system.

[0003] Existing locking devices mostly use a single drive source combined with a linkage mechanism to achieve the opening and closing of the double jaws, such as a scissor clamp. Although this type of structure can achieve mechanical linkage of the jaws, in actual clamping of conductors, due to factors such as transmission clearance or differences in conductor diameter, it is still difficult to ensure that the jaws on both sides apply a continuous and balanced clamping force to the conductor. This uneven clamping force can easily lead to excessive local pressure on the high-voltage conductor, causing damage to the insulation layer and creating a safety hazard for the long-term operation of the line.

[0004] Therefore, how to provide a locking device that provides uniform clamping, stable locking, and is suitable for long-term outdoor operations has become a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to provide a power grid sealing and locking device, which aims to solve the problems of uneven clamping force and unstable locking in existing locking devices.

[0006] The present invention is implemented as follows: a power grid sealing and locking device, the power grid sealing and locking device comprising: The frame assembly has openings for inserting wires; A rolling component, disposed within the frame assembly and located at the top of the opening, is used to support the wire and roll relative to the wire; A clamping assembly is disposed on the frame assembly; the clamping assembly includes two sets of clamping units arranged opposite each other. Each clamping unit includes a driving device, a rotating component, and a pushing component. The rotating component is rotatably disposed on the frame assembly, with one end connected to the driving device and the other end connected to the pushing component. The driving device is used to drive the rotating component to rotate so as to drive the two opposing pushing components to clamp the wire.

[0007] Furthermore, the frame assembly includes: A stepped frame, the frame comprising a first step, a second step and a third step arranged sequentially from bottom to top; The housing is disposed on both sides of the first step, and the opening is located between the two opposing housings; wherein, the rolling assembly is disposed on the third step, and the housings on both sides of the first step and the rolling assembly are arranged in a triangular pattern.

[0008] Furthermore, the frame assembly also includes a housing that covers the frame, the housing, the rolling assembly, and the clamping assembly.

[0009] Furthermore, a control module for controlling the clamping assembly is provided inside the housing, and a door is provided outside the housing, with an antenna on the door for transmitting received signals to the control module.

[0010] Furthermore, the clamping assembly also includes a fixing member that passes through the third step and is fixedly connected to one end of the driving device, and the pushing member passes through the second step and is slidably connected to the second step.

[0011] Furthermore, the two sets of clamping units are located on the same vertical plane, and the rolling components are provided on both sides of the vertical plane.

[0012] Furthermore, the end of the pusher is provided with an insulating clamping block, and the insulating clamping block is provided with an outer contour that fits against the outer surface of the wire.

[0013] Furthermore, the power grid sealing and locking device also includes a fall protection component, which includes: A rotating rod, one end of which is rotatably connected to the frame assembly, is located at the opening; The connecting rod is connected to the rotating rod at one end and to the pull rod at the other end. A tie rod extends longitudinally through the frame assembly and is slidably connected to the frame assembly; A handle is connected to the pull rod; wherein the fall protection component exists in two states: in the first state, the handle is lifted, the pull rod, the connecting rod, and the rotating rod are pulled, and the opening is open; in the second state, under the action of gravity, the handle is not subject to external force, the rotating rod hangs down naturally, and the opening is closed.

[0014] Furthermore, the tie rods are provided in four pairs, with each pair of tie rods having only a connecting rod and a rotating rod at the end.

[0015] Furthermore, several of the power grid sealing and locking devices are provided, and each power grid sealing and locking device further includes a locking component, which includes: A first locking element is disposed at one end of the frame assembly, and a locking ring is provided on the first locking element; The second locking member is disposed at the end of the frame assembly away from the first locking member. The second locking member has a groove for engaging with the first locking member of another power grid sealing and locking device. The connection direction between the first locking member and the second locking member is the direction of the extension of the conductor. A locking push rod, disposed in the second locking member, is used to pass through the locking ring; A limit switch is disposed inside the groove of the second locking member, and is used to determine whether the first locking member is engaged with the second locking member by touch; if so, the locking push rod is activated.

[0016] The power grid sealing and locking device provided in this embodiment of the invention has the following advantages: when the driving device is working, the rotating parts of the two sets of clamping units rotate, driving the two opposing pushing parts to move simultaneously towards the center of the opening, and finally clamping the conductor located in the opening; this split-type dual-drive design, compared with the traditional scissor frame structure, can more independently control the clamping force on each side, reduce the uneven clamping force caused by transmission gap, ensure that the conductor is subjected to uniform force on both sides, avoid excessive local pressure that damages the insulation layer, thereby improving the safety and reliability of the sealing operation. Attached Figure Description

[0017] Figure 1 A perspective view of the power grid sealing and locking device provided in an embodiment of the present invention; Figure 2 This is a front view of the power grid sealing and locking device provided in an embodiment of the present invention; Figure 3 A bottom view of the power grid sealing and locking device provided in an embodiment of the present invention; Figure 4 for Figure 2 Isometric sectional view of section AA in the middle; Figure 5 for Figure 2 A sectional view of section BB; Figure 6 A perspective view of the power grid sealing and locking device (hidden housing) provided in an embodiment of the present invention; Figure 7 A partial cross-sectional view of the second locking member provided in an embodiment of the present invention; 10. Frame assembly; 11. Rack; 12. Cabinet; 13. Shell; 14. Antenna; 20. Scrolling component; 30. Clamping assembly; 31. Drive unit; 32. Rotating component; 33. Pushing component; 34. Insulating clamping block; 35. Fixing component; 40. Fall arrestor assembly; 41. Rotating rod; 42. Connecting rod; 43. Pull rod; 44. Handle; 50. Locking assembly; 51. First locking element; 52. Second locking element; 53. Locking push rod; 54. Limit switch. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0019] It is understood that the terms “first,” “second,” etc., used in this application may be used herein to describe various elements, but unless otherwise stated, these elements are not limited by these terms. These terms are used only to distinguish one element from another.

[0020] In one embodiment, such as Figure 1-4 As shown, a power grid sealing and locking device is proposed. The power grid sealing and locking device includes: The frame assembly 10 is provided with an opening for inserting wires; A rolling component 20 is disposed within the frame assembly 10, located at the top of the opening, for supporting the wire and rolling relative to the wire; A clamping assembly 30 is disposed on the frame assembly 10. The clamping assembly 30 includes two sets of clamping units arranged opposite to each other. Each clamping unit includes a driving device 31, a rotating member 32, and a pushing member 33. The rotating member 32 is rotatably disposed on the frame assembly 10, with one end connected to the driving device 31 and the other end connected to the pushing member 33. The driving device 31 is used to drive the rotating member 32 to rotate so as to drive the two opposing pushing members 33 to clamp the wire.

[0021] In this embodiment, when the drive device 31 is working, the rotating parts 32 of the two sets of clamping units rotate, driving the two opposing pushing parts 33 to move simultaneously towards the center of the opening, ultimately clamping the wire located inside the opening. This split-type dual-drive design, compared to the traditional scissor frame structure, can more independently control the clamping force on each side, reducing uneven clamping force caused by transmission gaps, ensuring uniform force on both sides of the wire, avoiding excessive local pressure that could damage the insulation layer, thereby improving the safety and reliability of the sealing operation.

[0022] In this embodiment, as Figure 4As shown, the frame assembly 10 serves as the supporting skeleton of the entire device and is provided with an opening for inserting the wire. The shape and size of this opening are adapted to the high-voltage wire being clamped, and it is usually designed as a trumpet-shaped, V-shaped, U-shaped, or U-shaped structure that gradually tapers from bottom to top to facilitate the smooth entry of the wire into the device. The rolling assembly 20 is located inside the frame assembly 10, specifically at the top of the opening. Its main function is to contact the surface of the wire and provide support when the wire enters the opening. The rolling assembly 20 is generally made of rollers, and the number depends on the situation. A V-shaped recess is provided at the center of the roller to maintain stable contact between the wire and the roller. Because the rolling assembly 20 can roll relative to the wire, it can avoid severe friction between the wire and the device body during installation, preventing the insulation layer of the wire from being scratched or worn, and also making it easier for the operator to adjust the position of the device on the wire. The clamping assembly 30 is located on the frame assembly 10 and is the core actuator that generates the clamping force. The clamping assembly 30 includes two sets of opposing clamping units, symmetrically distributed on both sides of the opening. Each clamping unit consists of a drive device 31, a rotating component 32, and a pushing component 33. The rotating component 32 is rotatably mounted on the frame assembly 10 and resembles a lever or swing arm structure, with one end connected to the drive device 31 and the other end connected to the pushing component 33. The drive device 31 is generally a direct-push cylinder or electric cylinder, but other power sources can also be selected. The drive device 31 drives the rotating component 32 to rotate around its rotation center, thereby converting the linear or rotational motion output by the drive device 31 into linear movement of the pushing component 33.

[0023] In one of the alternative solutions, such as Figure 4-6 The specific structure of the frame assembly 10 is shown below. The frame assembly 10 includes: A stepped frame 11, the frame 11 including a first step, a second step and a third step arranged sequentially from bottom to top; Box 12 is disposed on both sides of the first step, and the opening is located between two opposing box 12; wherein, the rolling component 20 is disposed on the third step, and the box 12 and the rolling component 20 on both sides of the first step are arranged in a triangular pattern.

[0024] In this optional design, the frame assembly 10 is further designed as a stepped structure to optimize the layout and stress distribution of each component and improve the integration of the device. Specifically, as follows: Figure 6As shown, the frame assembly 10 includes a stepped frame 11 extending from top to bottom and to both sides. The frame 11 has a first step, a second step, and a third step arranged sequentially from bottom to top. The first step serves as the base of the device, with housings 12 positioned on either side of it. These two housings 12 stand opposite each other, and the gap between them forms an opening for inserting wires. The rolling assembly 20 is positioned on the highest third step, while the two housings 12 are located on either side of the first step, thus creating a triangular spatial arrangement of the rolling assembly 20 and the two housings 12. This triangular layout has several advantages: First, the rolling component 20 is located at the top, providing stable support for the wires above, while the two housings 12 are located on the lower sides, providing a wide support surface at the bottom, resulting in a lower center of gravity and better stability for the entire device; Second, the opening is formed by two opposing housings 12, which facilitates the arrangement of electrical components and control modules within the housings 12, achieving functional integration; Third, by arranging the control and support functions at the three vertices of the triangular shape, the spread-out arrangement of functional modules on a plane is avoided, making the overall structure more compact and with higher integration.

[0025] In an optimized solution, such as Figure 5 As shown, to adapt to the complex and harsh outdoor working environment, the frame assembly 10 also includes a housing 13, which covers the frame 11, the housing 12, the rolling assembly 20, and the clamping assembly 30. The housing 13 completely covers the internal structure, isolating the internal precision components from the external environment. The housing 13 is made of 304 stainless steel and has an IP65 protection rating. A waterproof sealing ring is provided on the inside, effectively resisting outdoor rain and dust, and meeting the weather resistance requirements for one month of long-term outdoor use.

[0026] In an optimized solution, such as Figure 5 As shown, a control module for controlling the clamping assembly 30 is installed inside the housing 12. A door is provided outside the housing 12, and an antenna 14 is mounted on the door to transmit received signals to the control module. The control module may include a microprocessor, motor driver, communication module, and power management circuitry, used to receive commands, drive the drive device 31, and monitor the device status. The door on the outside of the housing 12 allows for easy opening, facilitating debugging, upgrading, or maintenance of the internal control module. The antenna 14, connected to the internal communication module, receives wireless signals from ground operators or a remote control center and transmits these signals to the control module. Through the antenna 14, operators can control the opening and closing of the clamping assembly 30 from a safe distance using a remote control or handheld terminal, eliminating the need for close-range climbing and significantly improving operational safety and convenience.

[0027] In one alternative, such as Figure 6 As shown, the clamping assembly 30 also includes a fixing member 35, which passes through the third step and is fixedly connected to one end of the driving device 31. The pushing member 33 passes through the second step and is slidably connected to the second step. This design ensures that the movement trajectory of the pushing member 33 is precisely constrained by the guide hole or groove on the second step, ensuring that the pushing member 33 can only move smoothly in a predetermined direction without deflection or wobbling; generally, this predetermined direction is usually perpendicular to the axis of the conductor.

[0028] In an alternative embodiment, the mechanical performance and space utilization of the device are further optimized. The two sets of clamping units are located on the same vertical plane, with the rolling components 20 positioned on both sides of the vertical plane. That is, the rotating components 32, pushing components 33, and driving devices 31 of both sets of clamping units are all located in the same vertical plane, allowing the clamping force to act directly on the center plane of the wire, avoiding unnecessary torsional torque.

[0029] In one alternative, such as Figure 4 As shown, an insulating clamping block 34 is provided at the end of the pushing member 33. The insulating clamping block 34 has an outer contour that conforms to the outer surface of the wire. The surface of the insulating clamping block 34 is covered with a silicone rubber anti-slip layer. The outer contour of the insulating clamping block 34 is usually an arc shape or a V-shaped groove. This contour design can increase the contact area with the wire, so that the clamping force is evenly distributed on the surface of the wire, thereby effectively protecting the insulation layer of the wire from damage.

[0030] In one embodiment, such as Figure 5 As shown, the power grid sealing and locking device in this embodiment also includes a fall arrestor component 40. The fall arrestor component 40 includes: Rotating rod 41, one end of which is rotatably connected to the frame assembly 10, is located at the opening; Link 42 is connected at one end to the rotating rod 41 and at the other end to the pull rod 43; Tie rod 43 extends longitudinally through the frame assembly 10 and is slidably connected to the frame assembly 10; The handle 44 is connected to the pull rod 43; the anti-fall component 40 has two states: in the first state, the handle 44 is lifted, the pull rod 43, the connecting rod 42 and the rotating rod 41 are pulled, and the opening is opened; in the second state, under the action of gravity, the handle 44 is not subject to external force, the rotating rod 41 hangs down naturally, and the opening is closed.

[0031] In this embodiment, as Figure 5As shown, the fall arrestor 40 is a purely mechanical safety interlocking mechanism, including a rotating rod 41, a connecting rod 42, a pull rod 43, and a handle 44. One end of the rotating rod 41 is rotatably connected to the frame assembly 10 and is located at the edge of the opening, allowing it to open or close like a gate. The rotation range of the rotating rod 41 is limited, with a downward rotation limit of 90° parallel to the horizontal direction; this design prevents falls during downward rotation. One end of the connecting rod 42 is connected to the rotating rod 41, and the other end is connected to the pull rod 43. The pull rod 43 passes longitudinally through the frame assembly 10 and is slidably connected to it, allowing it to move up and down. The handle 44 is connected to the top or end of the pull rod 43 for the operator to grip. The fall arrestor 40 exists in two stable states: In the first state, when the operator lifts the handle 44, the handle 44 moves the pull rod 43 upward, which in turn pulls the connecting rod 42. The connecting rod 42 then pulls the rotating rod 41 to rotate upward around its pivot point, thus causing the rotating rod 41 to leave the opening position. At this time, the opening is opened, allowing the wire to enter or exit. In the second state, when the operator releases the handle 44, under the action of gravity, the linkage mechanism consisting of the handle 44, pull rod 43, connecting rod 42, and rotating rod 41 naturally droops. At this time, the rotating rod 41, relying on its own weight and the weight of the connecting rod 42, rotates downward around its pivot point, returning to the opening and closing it. In other words, as long as the operator does not actively lift the handle 44, the rotating rod 41 remains in the closed opening state, forming a physical barrier and effectively preventing the wire from accidentally slipping out. This pure gravity reset design does not require fatigue-prone components such as springs, has extremely high reliability, and is very suitable for long-term unattended outdoor working conditions.

[0032] Based on the aforementioned fall protection component 40, such as Figure 6 As shown, there are four pull rods 43, arranged in pairs. Each pair of pull rods 43 ends with only a connecting rod 42 and a rotating rod 41. That is, there are two rotating rods 41 positioned on either side or front and back of the opening, controlled by two independent sets of pull rods 43 and connecting rods 42. This double-rotating-rod 41 design allows the opening to be locked simultaneously from both sides. Even if the mechanism on one side fails, the other side can still provide fall protection, creating redundancy. Furthermore, each pair has only one connecting rod 42 and one rotating rod 41 to avoid mechanical interference when the rotating rods 41 in the same pair rotate downwards.

[0033] In one embodiment, such as Figure 2 and 7 As shown, this embodiment includes several power grid sealing and locking devices, each further comprising a locking component 50. The locking component 50 includes: A first locking member 51 is disposed at one end of the frame assembly 10, and a locking ring is provided on the first locking member 51; The second locking member 52 is disposed at the end of the frame assembly 10 away from the first locking member 51. The second locking member 52 has a groove for engaging with the first locking member 51 of another power grid sealing and locking device. The connection direction between the first locking member 51 and the second locking member 52 is the direction of the extension of the conductor. A locking push rod 53 is provided in the second locking member 52 and is used to pass through the locking ring; Limit switch 54 is disposed inside the groove of the second locking member 52, and is used to determine whether the first locking member 51 is engaged with the second locking member 52 by touch; if so, the locking push rod 53 is activated.

[0034] In this embodiment, in actual grid sealing operations, multiple locking devices are often required to be arranged along the conductor direction to form a continuous sealing area. Therefore, the grid sealing locking device has locking components 50 at both ends to achieve a quick and reliable connection between adjacent devices. The locking component 50 includes a first locking member 51, a second locking member 52, a locking push rod 53, and a limit switch 54. The first locking member 51 is located at one end of the frame assembly 10 and has a locking ring, typically a circular or U-shaped structure. The second locking member 52 is located at the end of the frame assembly 10 away from the first locking member 51 and has a groove inside. The shape of this groove matches the shape of the first locking member 51, and it is used to engage with the first locking member 51 of another grid sealing locking device. When multiple devices are arranged along the conductor direction, the second locking member 52 of the first device engages with the first locking member 51 of the second device. The line connecting the first locking member 51 and the second locking member 52 is aligned with the direction of conductor extension, thus forming a series connection in a straight line. A locking push rod 53 is mounted on the second locking member 52. It can be an electric push rod, an electromagnet, or a pneumatic component. Its push rod portion extends and passes through the locking ring on the first locking member 51 to achieve mechanical locking. A limit switch 54 is located inside the groove of the second locking member 52 to detect whether the first locking member 51 has been accurately inserted. When the two devices approach each other, and the first locking member 51 inserts into the groove of the second locking member 52, it will contact the contact of the limit switch 54. Upon triggering, the limit switch 54 sends a signal to the control system to confirm successful docking. Upon receiving this signal, the control system automatically activates the locking push rod 53, which extends and passes through the locking ring, firmly locking the two devices together. This automatic docking and locking mechanism eliminates the need for manual screw tightening or locking by workers at height. They only need to roughly align and push the devices closer together to automatically complete the mechanical and electrical connection, greatly simplifying the installation process at height, shortening operation time, and ensuring connection reliability. When disassembly is required, the operator can remotely retract the locking push rod 53 to unlock and separate the devices.

[0035] Working principle: The operator lifts handle 44, causing the rotating rod 41 to open the opening. The device is brought close to the conductor, which enters through the opening and contacts the top rolling assembly 20. The rolling assembly 20 supports the conductor and allows for fine axial adjustment of the device. Once the preset position is reached, handle 44 is released, and the rotating rod 41 automatically lowers under gravity to close the opening, providing fall protection. A clamping command is then sent, driving device 31 to operate. The pusher 33 moves the insulating clamping block 34 towards the center, evenly clamping the conductor. The clamping force automatically stops when a preset threshold is reached, completing the clamping process.

[0036] When multiple devices are connected in series, the first locking member 51 of the subsequent device is inserted into the groove of the second locking member 52 of the preceding device, triggering the limit switch 54. The locking push rod 53 automatically extends and passes through the locking ring, achieving mechanical locking between adjacent devices. During disassembly, remote unlocking causes the locking push rod 53 to retract and release. Lifting the handle 44 opens the rotating rod 41, allowing the device to be removed.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements 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 grid sealing and locking device, characterized in that, The power grid sealing and locking device includes: The frame assembly has openings for inserting wires; A rolling component, disposed within the frame assembly and located at the top of the opening, is used to support the wire and roll relative to the wire; A clamping assembly is disposed on the frame assembly; the clamping assembly includes two sets of clamping units arranged opposite each other. Each clamping unit includes a driving device, a rotating component, and a pushing component. The rotating component is rotatably disposed on the frame assembly, with one end connected to the driving device and the other end connected to the pushing component. The driving device is used to drive the rotating component to rotate so as to drive the two opposing pushing components to clamp the wire.

2. The power grid sealing and locking device according to claim 1, characterized in that, The frame assembly includes: A stepped frame, the frame comprising a first step, a second step and a third step arranged sequentially from bottom to top; The housing is disposed on both sides of the first step, and the opening is located between the two opposing housings; wherein, the rolling assembly is disposed on the third step, and the housings on both sides of the first step and the rolling assembly are arranged in a triangular pattern.

3. The power grid sealing and locking device according to claim 2, characterized in that, The frame assembly also includes a housing that covers the frame, the housing, the rolling assembly, and the clamping assembly.

4. The power grid sealing and locking device according to claim 3, characterized in that, The housing contains a control module for controlling the clamping assembly, and the housing contains a door with an antenna for transmitting received signals to the control module.

5. The power grid sealing and locking device according to claim 2, characterized in that, The clamping assembly further includes a fixing member that passes through the third step and is fixedly connected to one end of the driving device, and a pushing member that passes through the second step and is slidably connected to the second step.

6. The power grid sealing and locking device according to claim 5, characterized in that, The two sets of clamping units are located on the same vertical plane, and the rolling components are arranged on both sides of the vertical plane.

7. The power grid sealing and locking device according to claim 6, characterized in that, An insulating clamping block is provided at the end of the pusher, and the insulating clamping block has an outer contour that fits against the outer surface of the wire.

8. The power grid sealing and locking device according to claim 1, characterized in that, The power grid sealing and locking device also includes a fall protection component, which includes: A rotating rod, one end of which is rotatably connected to the frame assembly, is located at the opening; The connecting rod is connected to the rotating rod at one end and to the pull rod at the other end. A tie rod extends longitudinally through the frame assembly and is slidably connected to the frame assembly; A handle is connected to the pull rod; wherein the fall protection component exists in two states: in the first state, the handle is lifted, the pull rod, the connecting rod, and the rotating rod are pulled, and the opening is open; in the second state, under the action of gravity, the handle is not subject to external force, the rotating rod hangs down naturally, and the opening is closed.

9. The power grid sealing and locking device according to claim 8, characterized in that, The tie rods are arranged in four pairs, with each pair of tie rods having only a connecting rod and a rotating rod at the end.

10. The power grid sealing and locking device according to claim 1, characterized in that, Several power grid sealing and locking devices are provided, and each power grid sealing and locking device further includes a locking component, which includes: A first locking element is disposed at one end of the frame assembly, and a locking ring is provided on the first locking element; The second locking member is disposed at the end of the frame assembly away from the first locking member. The second locking member has a groove for engaging with the first locking member of another power grid sealing and locking device. The connection direction between the first locking member and the second locking member is the direction of the extension of the conductor. A locking push rod, disposed in the second locking member, is used to pass through the locking ring; A limit switch is disposed inside the groove of the second locking member, and is used to determine whether the first locking member is engaged with the second locking member by touch; if so, the locking push rod is activated.

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