CN219163728U - Grounding wire hanging device and system - Google Patents
Grounding wire hanging device and system Download PDFInfo
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- CN219163728U CN219163728U CN202223091681.6U CN202223091681U CN219163728U CN 219163728 U CN219163728 U CN 219163728U CN 202223091681 U CN202223091681 U CN 202223091681U CN 219163728 U CN219163728 U CN 219163728U
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Abstract
The utility model discloses a grounding wire hanging device and a grounding wire hanging system, wherein the device comprises a hanging mechanism, a connector lug, an end point locking mechanism and an operation rope, wherein the connector lug and the end point locking mechanism are arranged on the hanging mechanism; the grounding wire hanging device is used for hanging the grounding wire, an operator is not required to climb a wire tower to operate, and the safety of power construction maintenance is improved.
Description
Technical Field
The utility model relates to the technical field of power maintenance, in particular to a grounding wire hanging device and a grounding wire hanging system.
Background
The high-voltage wire can hang the earth connection on the high-voltage wire in the maintenance process, and its purpose prevents that maintainer from producing static induction electric shock or operating personnel from closing the electric brake by mistake and taking place the incident when line maintenance near electrified body, is used for guaranteeing the safety of maintainer when the maintenance.
Patent document CN216980905U discloses a 220 kv ground wire hanging device, which comprises a supporting rod, a driving unit and a clamping unit; and (3) supporting rods: the lower end face is provided with a first mounting cylinder; a driving unit: the device comprises a driving rod, a first conical gear and a second conical gear, wherein the driving rod is rotationally connected to the bottom wall surface of an inner cavity of a first installation cylinder through a rotating shaft, the outer cambered surface of the driving rod is rotationally connected with a rotating hole arranged in the middle of a supporting rod, the lower end of the outer cambered surface of the driving rod is provided with the first conical gear, the inner cambered surface of the inner cavity of the first installation cylinder is rotationally connected with the second conical gear through the rotating shaft, and the second conical gear is in meshed connection with the first conical gear; and a clamping unit: the clamping unit is arranged on the upper end face of the supporting rod and fixedly connected with the upper end of the driving rod.
The ground wire hanging device disclosed in the above patent is higher in height, more complex in installation and low in automation degree when used by staff.
Disclosure of Invention
The utility model provides a grounding wire hanging device and a grounding wire hanging system, which are simpler to install and higher in automation degree.
The utility model provides a device is got to earth connection string, includes link mechanism, connector lug, end point locking mechanism and operation rope, connector lug and end point locking mechanism are installed link mechanism is last, the connector lug is used for connecting the earth connection, the operation rope is connected connector lug and link mechanism, the operation rope will under the exogenic action the earth connection is tensile to the highest position, end point locking mechanism locks the connector lug, the operation rope continues to press from both sides link mechanism clamp on the cable under the exogenic action for link mechanism and earth connection form reliable connection.
Further, the device further comprises a control box, the control box is installed on the hooking mechanism, a controller is installed in the control box, the controller is electrically connected with the terminal locking mechanism, and the controller is used for controlling the terminal locking mechanism to lock the connector lug.
Further, a wireless communication module connected with the controller is further installed in the control box, the wireless communication module is used for receiving external control signals, and the controller is used for controlling the end point locking mechanism to lock the connector lug according to the external signals
Further, the hanging mechanism comprises a hanging ring, a hanging frame, a wire clamp transmission mechanism, a movable wire clamp and a wire clamp reset spring, wherein the hanging ring is connected with the hanging frame, the hanging ring is connected with an unmanned aerial vehicle, one end of the hanging frame is bent to form a hanging part, the other end of the hanging frame is connected with the connector lug, the movable wire clamp is matched with the hanging part and the wire clamp transmission mechanism, one end of the wire clamp reset spring is connected with the movable wire clamp, the other end of the wire clamp reset spring is connected with the hanging part, the wire clamp transmission mechanism is installed on the hanging frame, the wire clamp transmission mechanism is connected with an operation rope, and the movable wire clamp and the hanging part are driven to clamp a cable together under the traction of the operation rope; the hanger part extends out of the guiding bevel edge.
Further, a touch switch is arranged on the movable wire clamp and is electrically connected with the controller, and an electric signal is generated when the movable wire clamp and the hanging frame clamp the cable and is transmitted to the controller.
Further, the fastener drive mechanism includes haulage rope, movable pulley, mounting bracket and pulley reset spring, the mounting bracket with the stores pylon cooperation sets up, be provided with the pivot on the movable pulley, the movable pulley passes through the pivot is rotated and is installed on the mounting bracket and slide and set up on the stores pylon, pulley reset spring installs on the stores pylon, the mounting bracket is fixed pulley reset spring is last, be used for right the mounting bracket resets, the haulage rope wiring is in on the movable pulley and one end with the movable fastener is fixed, the other end with mounting bracket fixed connection, the operation rope wiring is in on the movable pulley, the one end of operation rope with the connector lug is connected, and the other end is used for exerting external force as the expansion end.
Further, the hanger comprises two hanger bodies and a plurality of connecting rods, the two hanger bodies are connected through the plurality of connecting rods, a vertical movable hole is formed in each hanger body, the rotating shaft is slidably mounted in the vertical movable hole, and the movable wire clamp and the wire clamp reset spring are mounted on the connecting rods.
Further, the one end that the portion was hung to the stores pylon is L shape, the end point locking mechanism install in on the minor face of stores pylon L shape, the end point locking mechanism includes fixing base, mounting panel, locking pin and push-and-pull electromagnet, the fixing base will the mounting panel is fixed in on the minor face of hanging machine L shape, push-and-pull electromagnet with locking pin fixed connection and install in on the mounting panel, the connector lug with the fixing base is connected, push-and-pull electromagnet with the controller electricity is connected, push-and-pull electromagnet is in under the control of controller promote locking pin locking the connector lug.
Further, a first through hole and a second through hole are formed in the fixing base, the connector lug is provided with a positioning groove, the connector lug is inserted into the first through hole, and the locking pin stretches into the second through hole under the pushing of the push-pull electromagnet to be clamped with the positioning groove of the connector lug so as to lock the connector lug.
The ground wire hanging and taking system comprises the ground wire hanging and taking device and further comprises an unmanned aerial vehicle, wherein the unmanned aerial vehicle is used for hanging the ground wire hanging and taking device on the cable.
The device and the system for hanging and taking the grounding wire at least have the following beneficial effects:
(1) The grounding wire hanging device is used for hanging the grounding wire, so that an operator is not required to climb a wire tower to operate, and the safety of power construction maintenance is improved;
(2) The device has small whole volume, can be hung on a cable through an unmanned aerial vehicle, has small load requirement on the unmanned aerial vehicle, and can effectively reduce the cost of electric power construction;
(3) The cable can be effectively clamped by the cooperation of the hanging part and the movable wire clamp, so that the clamping reliability is ensured;
(4) The ground wire can be hung and taken only through the operation rope, so that the workload of operators is reduced;
(5) Through the controller and the wireless communication module that set up, can learn the centre gripping condition with the cable to through the locking of remote operation control connector lug, degree of automation is high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a ground wire hanging device provided by the utility model.
Fig. 2 is a side view of an embodiment of the ground wire extracting device provided by the utility model.
Fig. 3 is a schematic structural diagram of an embodiment of a coupling portion and a movable wire clip in the ground wire coupling device according to the present utility model.
Fig. 4 is a schematic structural diagram of an embodiment of a hanging portion and a movable wire clamp for clamping a cable in the ground wire hanging device provided by the utility model.
Fig. 5 is a schematic structural view of an embodiment of an end point locking mechanism in the ground wire hooking device provided by the utility model.
Fig. 6 is a schematic structural diagram of an embodiment of a circuit control in the ground wire extracting device provided by the utility model.
The meaning of the reference numerals in the drawings are:
1-a control box, 11-a controller, 12-a wireless communication module, 21-a hanging ring, 22-a hanging rack, 221-a rack body, 222-a connecting rod, 223-a movable hole, 231-a traction rope, 232-a movable pulley, 233-a mounting rack, 234-a pulley reset spring, 235-a rotating shaft, 24-a movable wire clamp and 241-a non-slip tooth, 25-wire clamp reset spring, 26-hanging part, 261-guiding bevel edge, 27-touch switch, 3-connector lug, 31-positioning groove, 4-end locking mechanism, 41-fixing seat, 42-mounting plate, 43-locking pin, 44-push-pull electromagnet, 5-operation rope, 6-grounding wire and 7-cable.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, in some embodiments, there is provided an earth wire hooking device including a hooking mechanism, a connector lug 3, an end point locking mechanism 4, and an operation rope 5, the connector lug 3 and the end point locking mechanism 4 are mounted on the hooking mechanism, the connector lug 3 is used for connecting an earth wire 6, the operation rope 5 connects the connector lug 3 and the hooking mechanism, the operation rope 5 stretches the earth wire 6 to the highest position under the action of an external force, the end point locking mechanism 4 locks the connector lug 3, and the operation rope 5 continuously clamps the hooking mechanism on a cable 7 under the action of the external force, so that the hooking mechanism and the earth wire 6 form a reliable connection.
Further, in some embodiments, the device further includes a control box 1, the control box 1 is mounted on the hooking mechanism, a controller 11 is mounted in the control box 1, the controller 11 is electrically connected with the end point locking mechanism 4, and the controller 11 is used for controlling the end point locking mechanism 4 to lock the connector lug 3.
Further, referring to fig. 6, a wireless communication module 12 connected to a controller 11 is further installed in the control box 1, the wireless communication module 12 is used for receiving an external control signal, and the controller 11 is used for controlling the endpoint locking mechanism 4 to lock the connector lug 3 according to the external signal.
Further, referring to fig. 3 and 4, the hooking mechanism includes a hanging ring 21, a hanging frame 22, a wire clamp transmission mechanism, a movable wire clamp 24 and a wire clamp reset spring 25, the hanging ring 21 is connected with the hanging frame 22, the hanging ring 21 is used for being connected with an unmanned aerial vehicle, one end of the hanging frame 22 is bent to form a hooking portion 26, the other end of the hanging frame 22 is connected with a connector lug 3, the movable wire clamp 24 is matched with the hooking portion 26 and the wire clamp transmission mechanism, one end of the wire clamp reset spring 25 is connected with the movable wire clamp 24, the other end of the wire clamp reset spring is connected with the hooking portion 26, the wire clamp transmission mechanism is installed on the hanging frame 22, the wire clamp transmission mechanism is connected with an operation rope 5, and the movable wire clamp 24 and the hooking portion 26 are driven to clamp a cable 7 together under the traction of the operation rope 5; the hanger portion 26 extends beyond the guide sloping edge 261.
Specifically, the hanging ring 21 is connected with the hanging frame 22, the control box 1 is fixed at one end of the hanging frame 22 connected with the hanging ring 21, the hanging ring 21 is used for being connected with an unmanned aerial vehicle, the unmanned aerial vehicle lifts the device to the height of the cable 7, and the hanging part 26 can be hung on the cable 7 under control. The movable wire clamp 24 contacts with the hitching part 26 at one end far away from the wire clamp reset spring 25 under the action of traction force, and the movable wire clamp 24 is reset under the action of the elasticity of the wire clamp reset spring 25 when the traction force is released, so that the wire clamp 7 is released, and the hitching mechanism can be taken down from the wire clamp 7.
Further, as an alternative embodiment, referring to fig. 6, the movable wire clamp 24 is provided with a touch switch 27, the touch switch 27 is electrically connected to the controller 11, and an electric signal is generated and transmitted to the controller 11 when the movable wire clamp 24 and the hanger 26 clamp the cable 7.
Specifically, when the controller 11 receives the electric signal, the electric signal may be sent to an external device through the wireless communication module 12, and the external device may know the clamping condition of the hooking mechanism and the cable 7.
Further, referring to fig. 3 and 4, in some embodiments, the wire clamp transmission mechanism includes a traction rope 231, a movable pulley 232, a mounting frame 233 and a pulley return spring 234, the mounting frame 233 is disposed in cooperation with the hanger 22, a rotating shaft 235 is disposed on the movable pulley 232, the movable pulley 232 is rotatably mounted on the mounting frame 233 and slidably disposed on the hanger 22 through the rotating shaft 235, the pulley return spring 234 is mounted on the hanger 22, the mounting frame 233 is fixed on the pulley return spring 234 for resetting the mounting frame 233, the traction rope 231 is wound on the movable pulley 232, one end of the traction rope 231 is fixed with the movable wire clamp 24, the other end of the traction rope is fixedly connected with the mounting frame 233, the operating rope 5 is wound on the movable pulley 232, one end of the operating rope 5 is connected with the wire connector lug 3, and the other end of the operating rope serves as a movable end for applying external force.
Further, the hanger 22 includes two frame bodies 221 and a plurality of connecting rods 222, the two frame bodies 221 are connected through the plurality of connecting rods 222, a vertical movable hole 223 is formed in the frame body 221, a rotating shaft 235 is slidably mounted in the vertical movable hole 223, and a movable wire clamp 24 and a wire clamp return spring 25 are mounted on the connecting rods 222.
Specifically, an installation space is formed between the two frame bodies 221, the installation frame 233 is arranged in the installation space, a bottom plate is arranged below the installation space, one end of the pulley reset spring 234 is connected with the bottom plate, the other end of the pulley reset spring is connected with the installation frame 233, the movable pulley 232 is installed in the installation frame 233, the rotating shaft 235 of the movable pulley is penetrated through the installation frame 233 and is slidably installed in the vertical movable hole 223, the installation frame 233 downwards moves to compress the pulley reset spring 234 under the external force of the operation rope 5, so that the traction rope 231 is driven to pull the movable wire clamp 24 to contact with the hanging part 26 to clamp the cable 7, after the operation rope 5 is released, the installation frame 233 is reset under the elasticity of the pulley reset spring 234, the traction rope 231 is loosened, the movable wire clamp 24 is reset under the elasticity of the wire clamp reset spring 25, and the cable 7 is loosened.
As an alternative embodiment, the movable wire clamp 24 is provided with anti-slip teeth 241 to increase friction with the cable 7, thereby making the clamping more stable.
Further, one end of the hanger 22 away from the hooking portion 26 is L-shaped, the end point locking mechanism 4 is mounted on the short side of the L-shape of the hanger 22, referring to fig. 5, the end point locking mechanism 4 includes a fixing base 41, a mounting plate 42, a locking pin 43 and a push-pull electromagnet 44, the fixing base 41 fixes the mounting plate 42 on the short side of the L-shape of the hanger 22, the push-pull electromagnet 44 and the locking pin 43 are fixedly connected and mounted on the mounting plate 42, the connector lug 3 is connected with the fixing base 41, the push-pull electromagnet 44 is electrically connected with the controller 11, and the push-pull electromagnet 44 pushes the locking pin 43 to lock the connector lug 3 under the control of the controller 11.
Further, a first through hole and a second through hole are formed in the fixing seat 41, the connector lug 3 is provided with a positioning groove 31, the connector lug 3 is inserted into the first through hole, and the locking pin 43 stretches into the second through hole under the pushing of the push-pull electromagnet 44 to be clamped with the positioning groove 31 of the connector lug 3, so that the connector lug 3 is locked.
The working principle of the ground wire hanging device provided by the embodiment is as follows:
during the use, install earth connection 6 on connector lug 3, and install operating rope 5, operating rope 5's one end and connector lug 3 are connected, the movable pulley 232 is walked around as the activity end to the other end, unmanned aerial vehicle is through hanging circle 21 with the device lift to the height of cable 7, hang the portion 26 on cable 7, afterwards, through operating personnel pulling operating rope 5, make connector lug 3 rise to the highest position, this moment operating rope 5 can't continue pulling connector lug 3 to shift upwards, afterwards push-and-pull electromagnet 44 in the control end locking mechanism 4 through controller 11 promotes the locking pin 43 card and goes into the second through-hole on fixing base 41 and with connector lug 3's constant head tank 31 joint, realize connector lug 3's locking, be fixed in the highest position this moment with earth connection 6, continue pulling operating rope 5, under operating rope 5's external force mounting bracket 233 downwardly moving compression pulley reset spring 234, thereby drive rope 231 and pull movable fastener 24 make it contact with hanging portion 26 centre gripping cable 7, the electrical signal that produces through limit switch 27 sends to external equipment through radio communication module 12, make operating personnel have been pressed from both sides cable 7, afterwards, can keep operating rope 5 can's movable fastener 26 or other movable fastener 24 can keep the activity state to keep the movable fastener 24 to other article on the movable fastener. The hitching mechanism forms a closed loop with the ground wire 6.
When the grounding wire 6 needs to be taken down, the movable end of the operation rope 5 is loosened, the movable wire clamp 24 is reset under the action of the elastic force of the wire clamp reset spring 25, the cable 7 is released, the push-pull electromagnet 44 is controlled by the controller 11 to act, the push-pull electromagnet 44 drives the locking pin 43 to withdraw from the positioning groove 31, the locking of the grounding wire head 3 is released, then the unmanned aerial vehicle is operated to hang the hanging frame 22 on the unmanned aerial vehicle, and the hanging device is taken down from the cable 7, so that the grounding wire 6 is taken down.
In addition, in some embodiments, an earth wire hanging system is further provided, including the earth wire hanging device, and further including an unmanned aerial vehicle, wherein the unmanned aerial vehicle is used for hanging the earth wire hanging device on the cable.
The device and the system for hanging and taking the grounding wire provided by the embodiment at least comprise the following beneficial effects:
(1) The grounding wire hanging device is used for hanging the grounding wire, so that an operator is not required to climb a wire tower to operate, and the safety of power construction maintenance is improved;
(2) The device has small whole volume, can be hung on a cable through an unmanned aerial vehicle, has small load requirement on the unmanned aerial vehicle, and can effectively reduce the cost of electric power construction;
(3) The cable can be effectively clamped by the cooperation of the hanging part and the movable wire clamp, so that the clamping reliability is ensured;
(4) The ground wire can be hung and taken only through the operation rope, so that the workload of operators is reduced;
(5) Through the controller and the wireless communication module that set up, can learn the centre gripping condition with the cable to through the locking of remote operation control connector lug, degree of automation is high.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a device is got to earth connection string, its characterized in that, is including articulating mechanism, connector lug, end point locking mechanism and operation rope, connector lug and end point locking mechanism are installed articulating mechanism is last, the connector lug is used for connecting the earth connection, the operation rope is connected connector lug and articulating mechanism, the operation rope will under the exogenic action the earth connection stretches to the highest position, end point locking mechanism locks the connector lug, the operation rope continues to press from both sides articulating mechanism tightly on the cable under the exogenic action for articulating mechanism and earth connection form reliable connection.
2. The device of claim 1, further comprising a control box mounted on the hitch mechanism, the control box having a controller mounted therein, the controller being electrically connected to the end point locking mechanism, the controller for controlling the end point locking mechanism to lock the lug.
3. The device of claim 2, wherein a wireless communication module is further mounted in the control box and connected to the controller, the wireless communication module being configured to receive an external control signal, the controller being configured to control the end point locking mechanism to lock the connector lug according to the external control signal.
4. The device according to claim 2, wherein the hooking mechanism comprises a hanging ring, a hanging frame, a wire clamp transmission mechanism, a movable wire clamp and a wire clamp reset spring, the hanging ring is connected with the hanging frame, the hanging ring is used for being connected with an unmanned aerial vehicle, one end of the hanging frame is bent to form a hooking part, the other end of the hanging frame is connected with the connector lug, the movable wire clamp is matched with the hooking part and the wire clamp transmission mechanism, one end of the wire clamp reset spring is connected with the movable wire clamp, the other end of the wire clamp reset spring is connected with the hooking part, the wire clamp transmission mechanism is installed on the hanging frame, the wire clamp transmission mechanism is connected with the operation rope, and the movable wire clamp and the hooking part are driven to clamp a cable together under the traction of the operation rope; the hanger part extends out of the guiding bevel edge.
5. The device of claim 4, wherein a touch switch is disposed on the movable wire clamp, the touch switch is electrically connected with the controller, and an electrical signal is generated and transmitted to the controller when the movable wire clamp and the hanger clamp the cable.
6. The device of claim 4, wherein the wire clamp transmission mechanism comprises a traction rope, a movable pulley, a mounting frame and a pulley return spring, the mounting frame is matched with the hanging frame, a rotating shaft is arranged on the movable pulley, the movable pulley is rotatably mounted on the mounting frame through the rotating shaft and is slidably arranged on the hanging frame, the pulley return spring is mounted on the hanging frame, the mounting frame is fixed on the pulley return spring and used for resetting the mounting frame, the traction rope is wound on the movable pulley, one end of the traction rope is fixed with the movable wire clamp, the other end of the traction rope is fixedly connected with the mounting frame, one end of the operation rope is connected with the connecting lug, and the other end of the operation rope is used as a movable end for applying external force.
7. The device of claim 6, wherein the hanger comprises two frames and a plurality of connecting rods, the two frames are connected through the plurality of connecting rods, a vertical movable hole is formed in each frame, the rotating shaft is slidably mounted in the vertical movable hole, and the movable wire clamp and the wire clamp return spring are mounted on the connecting rods.
8. The device of claim 4, wherein an end of the hanger remote from the hooking portion is L-shaped, the end locking mechanism is mounted on a short side of the L-shape of the hanger, the end locking mechanism comprises a fixing base, a mounting plate, a locking pin and a push-pull electromagnet, the fixing base fixes the mounting plate on the short side of the L-shape of the hanger, the push-pull electromagnet and the locking pin are fixedly connected and mounted on the mounting plate, the connector lug is connected with the fixing base, the push-pull electromagnet is electrically connected with the controller, and the push-pull electromagnet pushes the locking pin to lock the connector lug under the control of the controller.
9. The device of claim 8, wherein the fixing base is provided with a first through hole and a second through hole, the connector lug is provided with a positioning groove, the connector lug is inserted into the first through hole, and the locking pin stretches into the second through hole to be clamped with the positioning groove of the connector lug under the pushing of the push-pull electromagnet so as to lock the connector lug.
10. An earth wire retrieval system comprising an earth wire retrieval device as claimed in any one of claims 1 to 9, and further comprising an unmanned aerial vehicle for attaching the earth wire retrieval device to the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091681.6U CN219163728U (en) | 2022-11-21 | 2022-11-21 | Grounding wire hanging device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091681.6U CN219163728U (en) | 2022-11-21 | 2022-11-21 | Grounding wire hanging device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219163728U true CN219163728U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223091681.6U Active CN219163728U (en) | 2022-11-21 | 2022-11-21 | Grounding wire hanging device and system |
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| CN (1) | CN219163728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470309A (en) * | 2023-06-20 | 2023-07-21 | 广东电网有限责任公司佛山供电局 | Grounding device and grounding rod |
| CN116487909A (en) * | 2023-06-21 | 2023-07-25 | 中国电力科学研究院有限公司 | Climbing-free grounding wire hanging and detaching device, system and method |
-
2022
- 2022-11-21 CN CN202223091681.6U patent/CN219163728U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470309A (en) * | 2023-06-20 | 2023-07-21 | 广东电网有限责任公司佛山供电局 | Grounding device and grounding rod |
| CN116470309B (en) * | 2023-06-20 | 2024-01-23 | 广东电网有限责任公司佛山供电局 | Grounding device and grounding rod |
| CN116487909A (en) * | 2023-06-21 | 2023-07-25 | 中国电力科学研究院有限公司 | Climbing-free grounding wire hanging and detaching device, system and method |
| CN116487909B (en) * | 2023-06-21 | 2023-09-19 | 中国电力科学研究院有限公司 | Climbing-free grounding wire hanging and detaching device, system and method |
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